JP2023110781A - Packaging system, sheet folding system, and sheet folding packaging system - Google Patents

Abstract

To provide a packaging system that can perform packaging processing with multiple sheets of paper, which are plate materials conveyed sequentially from the upstream side of packaging means, with multiple sheets together.SOLUTION: In the packaging system of the present invention, paper sequentially conveyed by a stacker belt 82 of a paper folding machine 100 is held at a relay conveyance receiving roller nip formed by a roller pair consisting of an upper belt drive roller 203 and a lower belt drive roller 204, and is conveyed in the state of a sheet bundle of multiple stacked sheets toward a packaging machine 300 by two relay conveyance belts (201, 202).SELECTED DRAWING: Figure 4

Description

Applied for the application of Article 30, Paragraph 2 of the Patent Act Applied for the exhibition of devices (paper folding/wrapping connection machine, auto-fold wrapping system) equipped with the configuration of the packaging system, sheet folding system, and sheet folding packaging system according to the invention of the present application. Duplo Co., Ltd. announced on January 13, 2020 on its website that it will be exhibiting. Duplo Co., Ltd. has requested the publication of an article introducing the device (paper folding machine + film packaging machine) equipped with the configuration of the packaging system, sheet folding system, and sheet folding packaging system according to the invention of the present application at the exhibition "page 2022". was sent on January 7, 2022 and January 19, 2022. Co., Ltd. has requested to publish an article introducing the device (paper folding machine + film packaging machine) equipped with the configuration of the packaging system, sheet folding system, and sheet folding packaging system according to the invention of the present application at the exhibition "JAPAN PACK 2022". Sent by Duplo on December 21, 2021 and January 7, 2022.

The present invention relates to a packaging system, a sheet folding system, and a sheet folding packaging system.

2. Description of the Related Art Conventionally, there has been known a wrapping apparatus that wraps a plate-like material such as a bundle of paper with a wrapping material such as a wrapping film.
Patent Literature 1 describes a packaging apparatus that sandwiches the front and back of a plate-like material with resin film sheets, and performs packaging by welding the resin film sheets together on the four sides around the plate-like material.

JP 2017-74977 A Japanese Patent Application Laid-Open No. 2021-001073

When trying to package a plurality of plate-like materials at the same time with the packaging apparatus described in Patent Document 1, it is necessary to insert the plate-like materials to be packed at the same time into the insertion portion of the packaging apparatus in a stacked state.
When this type of packaging device is arranged downstream of a sheet folding device as disclosed in Patent Document 2 and the folded sheet materials are packaged as plate-shaped materials, the sheet materials are sequentially conveyed from the sheet folding device. It is possible to wrap the sheet materials one by one. However, it has been difficult to stack and package a plurality of sheet materials that are sequentially conveyed.

In order to solve the above-described problems, the present invention provides a packaging system comprising packaging means for packaging a plate-shaped material received from a packaging object receiving section with a packaging material to prepare a package, wherein a plurality of pieces of the plate-shaped material are packaged. It is formed by a first conveying portion that conveys sequentially, a retention portion that stops the plate-shaped materials conveyed by the first conveying portion and overlaps subsequent plate-shaped materials to form a bundle of plate-shaped materials, and the retention portion. and a second conveying section for conveying the bundle of plate-like materials toward the packaging object receiving section of the packaging means.

ADVANTAGE OF THE INVENTION According to this invention, there exists an outstanding effect that packaging processing can be performed in the state in which several copies of the plate-shaped material conveyed one by one from the upstream of a packaging means can be put together.

1 is a front view of a folding packaging system; FIG. 1 is a schematic configuration diagram of a paper folding machine; FIG. FIG. 2 is a block diagram showing an outline of electrical connections centering on a paper folding control unit; Schematic explanatory drawing of a bridge. Schematic explanatory drawing of a packaging machine. A perspective explanatory view of a packaging machine. FIG. 4 is an explanatory diagram of a state of conveying paper from the paper folding machine to the bridge in the single-sheet packaging mode; FIG. 10 is an explanatory diagram of a state in which paper is conveyed from the paper folding machine toward the bridge in the multi-sheet wrapping mode; FIG. 10 is an explanatory view of the paper transport state after reaching the bridge in the multi-sheet packaging mode;

Hereinafter, the same or equivalent constituent elements, members, and processes shown in each drawing are denoted by the same reference numerals, and duplication of description will be omitted as appropriate. In addition, the dimensions of the members in each drawing are appropriately enlarged or reduced for easy understanding. Also, in each drawing, some of the members that are not important for explaining the embodiments are omitted.

An embodiment of the sheet folding packaging system according to the present invention will be described below.

FIG. 1 is a front view of a paper folding packaging system 500 as a sheet folding packaging system according to this embodiment.
A paper folding packaging system 500 shown in FIG. The paper folding machine 100 folds the paper placed on the paper feed shelf 6 and discharges the paper to the folding discharge section. The bridge 200 receives the folded paper discharged to the folding discharge unit and conveys it toward the packaging machine 300 . The packaging machine 300 wraps the folded paper delivered from the bridge 200 with a resin film to create a package, and discharges the package to a package tray 304 .
Each of the paper folder 100, the bridge 200, and the packaging machine 300 will be described below.

First, the paper folding machine 100 will be described with reference to FIGS. 1 and 2. FIG.
FIG. 2 is a schematic configuration diagram of the paper folding machine 100 loaded with sheets P to be folded, viewed from the same direction as in FIG.
As shown in FIGS. 1 and 2, the paper folding machine 100 includes a paper feeding unit 2 for feeding paper P to be folded, a folding processing unit 4 for folding the paper P fed from the paper feeding unit 2, and a folding processing unit. A paper discharge unit 3 for discharging the paper P folded in the unit 4 is provided. Further, as the frame 5 for holding each component of the paper folding machine 100, a front frame 5a and a rear frame 5b are provided. An operation panel 10 is provided on the upper surface of the front frame 5a forming part of the upper surface of the paper folding machine 100 for the user to perform predetermined operation inputs.

The operation panel 10 includes various buttons such as a start button, a stop button and a test button, and a touch panel 101 .

The paper feed unit 2 includes a paper feed shelf 6 on which paper P is stacked, an elevation drive mechanism for lifting and lowering the paper feed shelf 6 , an air discharge mechanism 8 , and a feed mechanism 7 . The air ejection mechanism 8 ejects air for separating the sheets P stacked on the paper feed shelf 6, and the feed mechanism 7 ejects the uppermost sheet P among the separated sheets P. It is sent out.

The feeding mechanism 7 is an air suction mechanism. The paper feed shelf 6 is supported so as to be vertically movable with respect to the frame 5 of the paper folding machine 100 .
The paper feed rack 6 is provided with a pair of side guides 50 for preventing the position of the stacked paper P from shifting in the width direction, and an end fence 12 for preventing the position of the paper P from shifting in the length direction. . The pair of side guides 50 are configured to be symmetrically movable about the center line in the width direction of the paper according to the size of the paper P stacked on the paper feed rack 6, and are in contact with both end faces in the width direction of the paper stack. The movement of the sheet P in the width direction is regulated by contacting. The end fence 12 supports the stack of sheets from the rear (the upstream side in the sheet feeding section 2 in the sheet conveying direction, the left side in FIG. 2) and regulates the movement of the sheet P in the length direction (the sheet conveying direction). (Hereinafter, the paper P placed on the paper feed shelf 6 of the paper folding machine 100 is transferred from the paper folding machine 100 through the bridge 200 to the packaging machine 300, and discharged to the package tray 304 of the packaging machine 300. The direction in which the paper P is transported to is referred to as the "transport direction".

The feeding mechanism 7 has a feeding belt 14 and a suction duct 16 . The feed belt 14 is driven by a driving motor (not shown) to rotate so that the sheet conveying surface (lower surface) moves in the sheet conveying direction (to the right in FIG. 2). The suction duct 16 incorporates a fan for sucking air, and when the fan rotates, air is sucked from a suction opening of the suction duct 16 provided near the sheet conveying surface of the feed belt 14. . By driving the feeding belt 14 at a predetermined sheet feeding timing while sucking air from the suction opening, the feeding belt 14 removes the uppermost sheet P among the sheet bundles stacked on the sheet feeding shelf 6. The paper P can be fed by being attracted to the paper transport surface of the .

The air ejection mechanism 8 is provided in front of the paper feed rack 6 in the paper feed direction (downstream in the paper transport direction). The air ejection mechanism 8 blows air toward the front end of the stack of paper sheets stacked on the paper feed shelf 6 to float the paper P in the upper layer of the stack of paper, and separates and feeds the floated sheets of paper P. It enhances paper performance. The air ejection mechanism 8 is provided with a plurality of air ejection openings for ejecting air onto the front end surface of the sheet bundle. The air discharge mechanism 8 is connected to an airflow generating section such as a fan or a blower, and the airflow generating section operates to blow out air from the air discharge port. As a result, it is possible to widen the gap between the sheets P that are close to the sheet conveying surface of the feed belt 14 among the sheets P constituting the sheet stack stacked on the sheet feeding shelf 6, thereby improving the separability of the sheets P. , paper feed performance can be improved.
The feeding mechanism 7 is not limited to an air suction type mechanism, and may be a friction type mechanism using a feeding roller.

The folding processing section 4 includes an inlet roller pair 18, four folding section rollers 20 (20a to 20d), and two folding plates (36, 40) forming conveying paths (23, 28) inside. The paper discharge unit 3 includes a paper discharge transport mechanism 24 having a stacker roller 81 , a stacker belt 82 , and a paper discharge auxiliary guide plate 83 . The stacker belt 82 is an endless belt having a plurality of (two in the embodiment) arranged in the width direction (the direction orthogonal to the plane of FIG. 2). The stacker belt 82 is driven to rotate clockwise in FIG. 2 by being driven by a stacker belt drive motor 180, which will be described later, and the stacker roller 81 contacts the stacker belt 82 and is driven to rotate. The stacker roller 81 is a member that presses the paper P discharged onto the stacker belt 82 and assists in the transport of the paper P. It is a member that holds down the

Of the four folding rollers 20, the first folding roller 20a and the second folding roller 20b are in contact with or face each other closely to form a pair of folding rollers for receiving the sheet P toward the first folding plate 36. do. The second folding portion roller 20b and the third folding portion roller 20c are in contact with each other or face each other closely, and fold the sheet P whose leading end side has entered the first folding plate 36 for the first time. Form a first folding roller pair that conveys toward. The third folding section roller 20c and the fourth folding section roller 20d are in contact with each other or face each other closely, and fold the sheet P whose leading edge side has entered the second folding plate 40 for the second time. A second pair of folding rollers for conveying the sheet P is formed.

The first folding plate 36 has a configuration in which the first folding conveying path 23 and the first folding stopper 25 are accommodated in the rectangular parallelepiped first folding plate housing 34 . The second folding plate 40 has a structure in which the second folding conveying path 28 and the second folding stopper 32 are housed in a rectangular parallelepiped second folding plate housing 38 .

A two-dot chain line “PR” in FIG. 2 indicates a part of the paper P transport path.
The paper P sent out from the paper feeding section 2 is transported toward the mechanism of the folding processing section 4 by the entrance roller pair 18 .
After passing through the inlet roller pair 18 , the sheet P is nipped and conveyed by a first folding roller 20 a and a second folding roller 20 b that form a pair of folding rollers, and enters the first folding transport path 23 . A first folding stopper 25 is stopped at a predetermined position on the first folding conveying path 23 . Therefore, when the leading edge of the paper P that has entered the first folding transport path 23 abuts against the first folding stopper 25, the paper P advances forward in the transport direction (back side of the first folding transport path 23). I can't do it.

Even after the leading edge hits the first folding stopper 25, the paper P is continued to be conveyed by the pair of folding portion receiving rollers. A portion located upstream of 23 is bent. The portion where this bending occurs becomes the leading edge, and is caught between the second folding portion roller 20b and the third folding portion roller 20c that form the first folding roller pair, and is nipped and conveyed, thereby causing bending. The folded portion becomes the first folding position, and the first fold is formed on the sheet P. As shown in FIG.

After passing through the first pair of folding rollers, the paper P on which the first fold is formed is discharged to the paper discharge section 3 as it is, or the second fold is formed. A path switching guide 30 (path switching member) is arranged on the exit side of the nip portion of the first folding roller pair, and the path switching guide 30 is moved by a driving source (not shown) to change its position. As a result, the transport path of the paper P can be switched between the path toward the nip portion of the second folding roller pair and the path toward the second folding transport path 28 in the second folding plate 40. .

In the state where the path switching guide 30 is in the shielding position covering the exit of the nip portion of the first folding roller pair, the paper P that has passed through the nip portion of the first folding roller pair and is folded in two is directly sent to the paper ejection portion 3. is guided.
On the other hand, in the state where the path switching guide 30 is in the standby position not covering the exit of the nip portion of the first folding roller pair, the sheet P that has passed through the nip portion of the first folding roller pair and is folded in two is transferred to the second folding roller pair. It enters the folding transport path 28 .

As shown in FIG. 2, the second folding stopper 32 is stopped at a predetermined position of the second folding conveying path 28 in the same manner as the first folding conveying path 23 . Therefore, when the leading edge (the portion of the first fold) of the sheet P that has entered the second folding transport path 28 abuts the second folding stopper 32, the sheet P moves further forward in the transport direction (second folding It becomes impossible to proceed to the far side of the transport path 28).
Since the conveying operation of the paper P by the first folding roller pair is continued even after the leading end hits the second folding stopper 32, the paper P is positioned downstream of the first folding roller pair and in the second folding conveying path. A portion located upstream of 28 is bent. The bent portion becomes the front, and the sheet is caught between the third folding portion roller 20c and the fourth folding portion roller 20d forming the second folding roller pair, and is nipped and conveyed, thereby causing the bending. The folded portion becomes the second folding position, and the second fold is formed in the sheet P. The paper P on which the second fold is formed is discharged to the paper discharge section 3 after passing through the second folding roller pair.
The paper P discharged to the paper discharge unit 3 is placed on the stacker belt 82 and conveyed in the paper discharge direction (rightward direction in FIG. 2) by the driving rotation of the stacker belt 82. The stacker belt 82 and the stacker roller 81 and reaches the downstream end of the stacker belt 82 in the conveying direction.

By positioning the path switching guide 30 at the standby position in this manner, the sheet P can be folded in three or four.
When performing the folding process, the first folding transport is performed so that the type of folding, such as three-folding or four-folding, and the length of the folding surface (a plurality of areas partitioned by the folds on the sheet P) are desired. It is necessary to set the position of the first folding stopper 25 on the path 23 and the position of the second folding stopper 32 on the second folding conveying path 28 .

FIG. 3 is a block diagram showing an outline of electrical connections centering on the paper folding control section 1 of the paper folding machine 100. As shown in FIG. The paper folding control unit 1 has a CPU that executes various arithmetic processes, a ROM that stores various control programs, a RAM that is used as a work area for data storage and program execution, and the like. The paper folding control unit 1 receives operation inputs via various switches of the input device 110 and detection signals from detection sensors including the paper feed processing sensor 120 and the folding processing sensor 130 . The input device 110 is provided as an operation panel 10 provided on the top surface of the frame 5 . The folding processing sensor 130 includes an ultrasonic paper feed error sensor 51, an optical paper feed error sensor 52, a paper discharge error sensor 54, a first stopper position sensor 90, a second stopper position sensor 91, and the like.

The operation panel 10 is an operation unit that accepts user's operation input. The paper folding control unit 1 accepts the input content from the operation panel 10, and based on the input content and the input content from various sensors, feeds the paper. It is control means for controlling the mechanism 7, the folding processing section 4, and the like.

The paper folding control unit 1 executes predetermined arithmetic processing for paper feeding control and folding control based on inputs from various switches and sensors. Then, the paper folding control section 1 outputs a control command signal to the paper feeding actuator 140 that operates the paper feeding mechanism 7, the folding processing actuator 150 that operates the folding processing section 4, and the like.
The folding operation actuator 150 includes a roller driving motor 152 for driving the entrance roller pair 18 and the folding rollers 20 (20a to 20d), a first stopper moving motor 70, a second stopper moving motor 71, and the like. Further, the paper folding control section 1 causes the display device 160 to display a setting screen and progress of each process. A display device 160 is provided as the touch panel 101 on the upper surface of the frame 5 .
The paper folding control section 1 also outputs a control command signal to the stacker belt drive motor 180 that operates the stacker belt 82 of the paper discharge section 3 .

As shown in FIG. 2, an ultrasonic paper feed error sensor 51 and an optical paper feed error sensor 52 for detecting paper feed errors are provided between the inlet roller pair 18 and the folded portion receiving roller pair (20a, 20b). is provided. An ultrasonic paper feed error sensor 51 and an optical paper feed error sensor 52 detect the presence or absence of paper P passing through a folding-portion receiving transport path 53, which is a paper transport path between the entrance roller pair 18 and the folding-portion receiving roller pair. and the presence or absence of multi-feeding of the passing sheets P is detected.
When the paper folding control unit 1 receives a signal indicating that paper has been fed from the paper feeding unit 2, the ultrasonic paper feeding error sensor 51 and the optical paper feeding error sensor 52 are detected within a paper feeding time set in advance from the reception of the signal. If the paper P is not detected by either or both, it is determined that an idle feed has occurred. When the paper P is detected within the paper feeding time, it is determined whether double feeding has occurred according to the output of one or both of the ultrasonic paper feeding error sensor 51 and the optical paper feeding error sensor 52 .
The paper folding control unit 1 sets the paper passing time (preliminarily determined according to the total length of the paper P) after both or one of the ultrasonic paper feeding error sensor 51 and the optical paper feeding error sensor 52 detects the leading edge of the paper P. If the detection state continues even after the set time has elapsed, it is determined that a jam has occurred.

A discharge error sensor 54 for detecting a discharge error is provided near the exit of the nip portion of the second folding roller pair (20c, 20d) (upstream part of the discharge transport mechanism 24). The paper ejection error sensor 54 detects passage of the paper P ejected from the nip portion of the second folding roller pair toward the ejection tray 26 . The paper folding control unit 1 determines the discharge arrival time after the paper P passes through the ultrasonic paper feed error sensor 51 or the optical paper feed error sensor 52 (set in advance according to the total length of the paper P and folding processing conditions). If the paper P is not detected by the paper ejection error sensor 54 even after the time required for the paper P to reach the paper ejection section 3, it is determined that a jam has occurred. In addition, the paper folding control unit 1 determines the amount of time that the paper P has passed after the paper discharge error sensor 54 has detected the paper P (the length of the paper P and the length of the paper P after the folding process, which is set in advance according to the conditions of the folding process). It is also determined that a jam has occurred if the detection state of the paper P by the paper discharge error sensor 54 continues even after the elapse of the time required for passing through an arbitrary position.

For the above-mentioned "discharge arrival time" and "discharge passing time", set values can be changed according to folding processing conditions, such as whether the type of folding in the folding processing is two-fold or three-fold. may Also, in place of the set times of "Paper feed time", "Paper passing time", "Paper delivery arrival time" and "Paper delivery passing time", set the number of pulses indicating the number of revolutions of the transport motor. , each transport error may be determined based on the set number of pulses.

As shown in FIG. 2, the first folding plate 36 accommodates the first folding mechanism 60 in the first folding plate housing 34, and the second folding plate 40 accommodates the second folding mechanism in the second folding plate housing 38. Accommodates 61. The first folding mechanism 60 and the second folding mechanism 61 are provided with a first stopper movement motor 70 and a second stopper movement motor 71, respectively, which are stepping motors. By the paper folding control unit 1 controlling the driving amount of the first stopper moving motor 70 and the second stopper moving motor 71, the stop positions of the first folding stopper 25 and the second folding stopper 32 are changed, and the paper P is folded. can change direction.

As the paper folding machine 100, a known sheet folding device can be used. For example, the sheet folding device described in Patent Document 2 has the same configuration as the paper folding machine 100 of the embodiment described above. Further, the configuration is not limited to that of the paper folding machine of the embodiment. For example, like the sheet folding device described in Japanese Patent Application Laid-Open No. 2021-172482, the sheet material is pushed into the nip portion of the folding roller pair. A sheet folding device may be provided with a pushing member such as a folding knife.
The paper folding machine 100 may be capable of transmitting operation information and error information of the paper folding machine 100 to an external device using an external communication line such as the Internet when power is turned on or an error occurs. The operation information transmitted to the external device includes, but is not limited to, a cumulative counter indicating the number of paper folding operations of the paper folding machine 100, a cumulative counter for each folding method, and error information (error type and number of times). not a thing Further, it may be possible to obtain information such as a method of repairing a failure and version upgrade information of a control program from an external device through an external communication line. Furthermore, a configuration may be adopted in which an update program for the control program of the paper folding control section 1 can be downloaded from the management server through an external communication line. The line connecting the paper folding control unit 1 and the external communication line may be a wired line such as a LAN cable, or a wireless line such as Wi-Fi.

Next, the bridge 200 will be explained.
FIG. 4 is a schematic explanatory diagram of the bridge 200. As shown in FIG. 4 shows the vicinity of the downstream end in the transport direction of the paper folding machine 100 arranged on the upstream side of the bridge 200 in the transport direction, and the vicinity of the upstream end in the transport direction of the packaging machine 300 arranged on the downstream side of the bridge 200 in the transport direction. are shown in the figure.

As shown in FIG. 4 , the bridge 200 includes an upper relay belt 201 and a lower relay belt 202 . The relay conveying upper belt 201 is stretched by an upper belt driving roller 203, an upper belt tension roller 205, an upper belt driven roller 207, and an upper belt exit roller 209. As the upper belt driving roller 203 is driven to rotate, endlessly in the counterclockwise direction. The relay conveying lower belt 202 is stretched by a lower belt driving roller 204, a lower belt tension roller 206, a lower belt driven roller 208, and a lower belt exit roller 210. As the lower belt driving roller 204 is driven to rotate, endlessly in the clockwise direction.
In addition, a relay conveying exit sensor 253 (not shown in FIG. 4) is installed near the relay conveying exit nip where the upper belt exit roller 209 and the lower belt exit roller 210 come into contact with each other across the two relay conveying belts (201, 202). ). The relay transport exit sensor 253 detects the passage of the paper P at the exit of the bridge 200 by detecting the presence or absence of the paper P in the vicinity of the relay transport exit nip.

As shown in FIG. 3, a relay transport control unit 250 that controls the operation of the bridge 200 is capable of electrical communication with the paper folding control unit 1 of the paper folding machine 100, and the relay transport control unit 250 controls paper folding. Based on the control command signal input from the unit 1, the drive of the relay conveyor belt drive motor 251 is controlled. In addition, based on the signals transmitted from the packaging machine signal receiving unit 252 that receives error signals, full signals, etc. of the packaging machine 300, and from the relay transport exit sensor 253 that detects errors such as paper jams in the bridge 200, A stop signal or the like is transmitted to the paper folding control section 1 of the paper folding machine 100 on the upstream side. When the relay conveying belt driving motor 251 is driven, the upper belt driving roller 203 and the lower belt driving roller 204 are driven to rotate, and the relay conveying upper belt 201 and the relay conveying lower belt 202 move endlessly.
As for the drive timing of the relay conveyor belt drive motor 251, the drive may be controlled so as to continue to drive after the start of the paper folding process in the paper folding machine 100, or the motor may be driven and stopped at predetermined timings. You may control a drive to repeat.

As shown in FIG. 4, the upper belt drive roller 203 and the lower belt drive roller 204 are in contact with each other with the two belts (201, 202) interposed therebetween to form a relay transfer receiving roller nip. An upper intermediate transport receiving guide 211 and a lower intermediate transport receiving guide 212 are provided upstream in the transport direction (on the left side in FIG. 4) with respect to the intermediate transport receiving roller nip.

The paper P that has been discharged to the paper discharge section 3 of the paper folding machine 100 and has reached the downstream end of the stacker belt 82 in the conveying direction is transferred from the stacker belt 82 to the relay conveyance receiving lower guide 212 . After that, the sheet P is guided between the upper intermediate transport receiving guide 211 and the lower intermediate transport receiving guide 212 while being pressed by the auxiliary discharge guide plate 83, and the leading edge of the paper P reaches the intermediate transport receiving roller nip. At this time, when the two relay conveyor belts (201, 202) are endlessly moving, the sheet P is nipped and conveyed between the two relay conveyor belts (201, 202) and delivered to the packaging machine 300. When the two relay transport belts (201, 202) are not endlessly moving, the leading edge of the paper P hits the relay transport receiving roller nip and stops. After that, the relay conveyor belt driving motor 251 starts driving at a predetermined timing, and the two relay conveyor belts (201, 202) start endlessly moving, so that the paper P is transferred to the two relay conveyor belts (201, 202). It is pinched and conveyed and delivered to the packaging machine 300 .

As a configuration in which the relay conveyor belt driving motor 251 is not continuously driven, a configuration in which driving and stopping are repeated based on the paper discharge conditions received from the paper folding control section 1 may be employed. Further, a paper detection sensor is provided to detect the presence or absence of the paper P at the intermediate conveyance receiving roller nip. When the paper detection sensor detects the paper P, the relay conveyance belt drive motor 251 is driven. A configuration in which driving of the belt drive motor 251 is stopped may be employed.

The bridge 200 includes an outlet exterior upper plate 213 and an outlet exterior lower plate 214 near the downstream end in the conveying direction. The upper belt outlet roller 209 and the lower belt outlet roller 210 are arranged in a portion formed by the outlet outer covering upper plate 213 and the outlet outer lower plate 214 and projecting to the downstream side.

Next, the packaging machine 300 will be described.
FIG. 5 is a schematic explanatory diagram of the packaging machine 300, and FIG. 6 is a perspective explanatory diagram of the packaging machine 300. As shown in FIG.
The packaging machine 300 supplies two sheets of paper P (in FIG. 6, an example of which is an outer three-folded paper P), which are the objects to be wrapped, from two film rolls R (R1 and R2). A package is created by sandwiching between sheets of film F (F1, F2) and welding them at the welding part 340 . Further, the packaging machine 300 is provided with a perforation forming section 350 which is perforation forming means for perforating the upper film F1 supplied from the upper film roll R1.

The bridge 200 and the packaging machine 300 are arranged such that the downstream protruding portion formed by the outlet exterior upper plate 213 and the outlet exterior lower plate 214 of the bridge 200 is arranged to enter the package receiving section 302 of the packaging machine 300. is installed. With this arrangement, the sheet P conveyed by the two relay conveyor belts (201, 202) of the bridge 200 and passed through the relay conveyor exit nip is inserted into the packaging machine 300. FIG.

The inserted sheet P is sandwiched between the upper film roll R1 on the upper side and the films F (F1, F2) pulled out from the lower film roll R2 on the upper side and the lower side. The paper P is conveyed in the direction of the arrow "α" in FIG. The sheets are sequentially stacked on the tray 304 .

A packaging operation panel 345 is provided at one end in the width direction of the upper surface of the packaging machine 300 . The packaging operation panel 345 functions as an input section for receiving various user inputs for operating the packaging machine 300 and as a display section for displaying various information in the packaging machine 300 . A power switch 346 for turning on the power of the packaging machine 300 is provided on the other widthwise end of the upper surface of the packaging machine 300 .

In FIG. 5, package receiving section 302 is formed on the left side of packaging machine 300 . Inside the package receiving section 302, a welding section including a welding cutting heater 305, front and rear end welding cradles 344, side welding heaters 341, side welding cradles 342, upper packaging conveying belt 334, lower packaging conveying belt 335, and the like. 340. The upper packaging conveying belt 334 is stretched between the upper conveying upstream pulley 321 and the upper conveying downstream pulley 338 , and the lower packaging conveying belt 335 is stretched between the lower conveying upstream pulley 322 and the lower conveying downstream pulley 336 . be done.

The inside of package receiving section 302 is normally closed with shutter 303 . The shutter 303 is rotatable around a shutter fulcrum 303a, and is biased clockwise in FIG. 5 by biasing means (not shown). It is in a state of being pressed against the cradle 344 (it may be press-contacted by its own weight without providing an urging means). When the paper P is inserted, the shutter 303 is rotated counterclockwise in FIG. The paper P enters the gap and is further inserted in the right direction in FIG.

A welding and cutting heater 305 is arranged above the front and rear end welding cradles 344 . The welding/cutting heater 305 is configured to be movable between a standby position shown in FIG. The welding/cutting heater 305 is made of aluminum or an aluminum alloy, which has a good thermal conductivity and is lightweight, and has an acute-angled lower end. A rubber heater (not shown) is baked and fixed to the welding/cutting heater 305, and the welding/cutting heater 305 can be heated by energizing the rubber heater. Also, a thermistor for measuring the temperature of the welding/cutting heater 305 is attached.

As shown in FIG. 5, an upper film roll R1 is arranged above the welding/cutting heater 305, and a lower film roll R2 is arranged below it. The upper film roll R1 will be described below, but the configuration and support structure of the lower film roll R2 are also the same as those of the upper film roll R1.

The upper film roll R1 is obtained by winding a long film (upper film F1) around an upper paper tube R1a. The upper paper tube shaft 306A coaxially supports the upper paper tube R1a from the inner surface side. The upper film F1 has a width in the direction from the front side to the rear side of the drawing (hereinafter referred to as the width direction), and the upper paper tube R1a also has the same width as the upper film F1. The width is formed slightly longer than the widthwise length of the short side of the paper P inserted from the package receiving portion 302 (210 [mm] in the case of A4 size paper).

An upper paper tube guide 307A formed in a plate shape and parallel to the end surface of the upper film roll R1 is erected adjacent to the end surface of the upper film roll R1 in the width direction. An upper guide slit 307aA extending downward from the upper end of the upper paper tube guide 307A is formed, and the upper paper tube shaft 306A is inserted through the upper guide slit 307aA. Further, an upper film support roller 308A is provided to support the upper film roll R1 from below.

The upper paper tube guides 307A having the same shape stand on both sides in the width direction of the upper film roll R1. The support ring of the upper paper tube shaft 306A supports the inner peripheral surface of the upper paper tube R1a, thereby supporting the upper paper tube shaft 306A and the upper film roll R1 coaxially. The upper paper tube shaft 306A is formed to be longer in the width direction than the interval between the two upper paper tube guides 307A, and both ends of the upper paper tube shaft 306A are inserted through the upper guide slits 307aA. When the remaining amount of the upper film roll R1 decreases and the roll diameter becomes smaller, the position of the upper paper tube shaft 306A is lowered, but the outer peripheral surface of the upper film roll R1 is maintained in contact with the upper film support roller 308A. is.

In the packaging machine 300, the lower film roll R2 also has a lower paper tube shaft 306B and a lower paper tube guide 307B, which are configured in the same manner as the upper paper tube shaft 306A, the upper paper tube guide 307A, and the upper film support roller 308A in the upper film roll R1. and a lower film support roller 308B.

An upper film F1 is pulled out from the upper film roll R1 and is hung on an upper first film guide 331 and an upper second film guide 332, and its tip is positioned below the welding/cutting heater 305. As shown in FIG. A lower film F2 is pulled out from the lower film roll R2 and is hung on a lower film guide 333, and its tip is positioned below the welding/cutting heater 305. As shown in FIG. The two upper and lower films (F1, F2) are previously welded at their leading ends in the previous packaging process to form a welding line Fx.
Further, the upper surface of the outlet exterior upper plate 213 may guide the upper film F1 directed from the upper second film guide 332 to the lower side of the welding/cutting heater 305 .

On the right side of the welding cutting heater 305 and the front and rear end welding receiving bases 344 in the drawing, an upper packaging conveying belt 334 and a lower packaging conveying belt 335 for conveying the paper P inserted from the packaging receiving section 302 together with the films (F1, F2) are provided. Prepare. Two upper-packaging conveying belts 334 and two lower-packaging conveying belts 335 are arranged in the width direction. The upper conveying belt 334 pinches the sheet P from above, and the under-packaging conveying belt 335 pinches the sheet P from below, so that the sheet P can be conveyed rightward in the drawing. A lower conveying downstream pulley 336, which is one of the pulleys on which the under-packaging conveying belt 335 is wound, is driven by a conveying motor M1 via a lower belt drive transmission mechanism 337 composed of a toothed belt, a toothed pulley, gears, and the like. driving force is applied from Further, a driving force is also applied from the conveying motor M1 to the upper conveying downstream pulley 338, which is one of the pulleys on which the upper packaging conveying belt 334 is wound, via an upper belt drive transmission mechanism (not shown). That is, when the conveying motor M1 rotates, driving force is applied to both the upper packaging conveying belt 334 and the lower packaging conveying belt 335, and the two conveying belts (334, 335) move endlessly.

A total of two side welding heaters 341 are provided, one on each side in the width direction of the packaging conveying belt 334 (outside in the width direction). In addition, a total of two side welding cradles 342 are provided at positions facing the respective side welding heaters 341 on both widthwise sides (widthwise outer sides) of the under-packaging conveying belt 335 . The side welding heater 341 and the side welding cradle 342 are formed long along the conveying direction of the upper packaging conveying belt 334 and the lower packaging conveying belt 335, respectively.

Each of the two side welding heaters 341 is also made of lightweight aluminum or an aluminum alloy to which a rubber heater is baked and fixed, similarly to the welding and cutting heater 305, and the lower end is formed to have an acute angle. A thermistor is also attached to measure the temperature.

The widthwise interval between the two side welding heaters 341 is longer than the width of the paper P and shorter than the width of the two films (F1, F2). Both of the two side welding heaters 341 can be lowered by a drive mechanism (not shown) until their lower ends reach the side welding cradles 342 . With such a configuration, the films (F1, F2) can be welded on both sides of the paper P in the width direction.

On the right side of the side welding heater 341 and the side welding receiving table 342 in FIG. A first sensor D1 is provided upstream of the welding/cutting heater 305 in the conveying direction so as to detect the leading edge or the trailing edge of the sheet P on the transport path of the sheet P from the package receiving section 302 to the package discharge port 309, A second sensor D2 is provided on the downstream side of the welding/cutting heater 305 in the conveying direction. Further, a third sensor D3 is provided in the vicinity of the package discharge port 309. As shown in FIG.

In the packaging machine 300, a heater actuator for vertically moving the welding/cutting heater 305 and the side welding heater 341 based on the detection signal of the paper P, which is the object to be packaged, detected by the three sensors (D1, D2, and D3). , the conveying motor M1 and two brake mechanisms (not shown) are driven and controlled based on predetermined timing. The brake mechanism is a mechanism that brakes the rotation of the film support rollers 308 (308A, 308B) that contact the outer circumferences of the two film rolls R (R1, R2).

When the paper P is inserted from the package receiving portion 302 and the first sensor D1 detects the leading edge of the paper P, the brakes of the two brake mechanisms are released and the transport motor M1 is started to drive. As a result, the two films (F1, F2) whose welding lines Fx are pressed by the inserted paper P are unwound from the respective film rolls (R1, R2).

The paper P entering the device while pushing the welding line Fx is sandwiched between the two films (F1, F2), and the upper transport upstream pulley 321 and the lower transport upstream pulley 322 are connected to the upper packaging transport belt 334. and the under-packaging conveyor belt 335 in contact therewith. The paper P entering the packing conveyor belt entrance nip is nipped and conveyed by the upper packaging conveyor belt 334 and the lower packaging conveyor belt 335 . By this conveying force, the two films (F1, F2) are pulled and further unwound from the respective film rolls (R1, R2).

The distance from the intermediate conveying exit nip of the bridge 200 to the packing conveying belt inlet nip of the packaging machine 300 is the length of the paper P in the conveying direction after folding processing by the paper folding machine 100 (hereinafter referred to as "finished length"). The distance is shorter than the minimum value.
For example, if the minimum length of paper P that can be folded by the paper folding machine 100 is 182.0 [mm] for four-folding and 105.0 [mm] for two-folding, the minimum finished length is 45.5 [mm] when folded in four and 52.5 [mm] when folded in two. In this case, 45.5 [mm], which is the minimum value for four folds, is the minimum value for the finished length. When such a paper folding machine 100 is used, the distance from the relay conveying exit nip to the packing conveying belt inlet nip is set to be shorter than 45.5 [mm]. As a result, it becomes possible to apply a conveying force to the paper P positioned inside the packaging machine 300 by any of the conveying means, and paper jams inside the packaging machine 300 can be prevented.

In addition, if the distance from the intermediate conveying exit nip to the packing conveying belt inlet nip is the same length as the finished length, the pushing film acts as a resistance, and the sheet P may not be nipped sufficiently at the packing conveying belt inlet nip. . For this reason, it is desirable to dispose each section so that the distance from the relay conveying exit nip to the packing conveying belt inlet nip is 80% or less of the minimum finished length.

After the paper P sandwiched between the two films is conveyed to the right in FIG. After a predetermined time, the transport motor M1 is stopped, and then the brakes of the two brake mechanisms are turned on. Next, by stopping the conveying motor M1, the upper packaging conveying belt 334 and the lower packaging conveying belt 335 are stopped, and the heater actuator is driven to lower the welding cutting heater 305 and the side welding heater 341. FIG. The welding cutting heater 305 and the side welding heater 341 are lowered to move from the standby position to the welding position, between the welding cutting heater 305 and the front and rear end welding cradles 344, and between the side welding heater 341 and the side welding cradles 342. Two films (F1, F2) are sandwiched between them, and the two films (F1, F2) are heat-sealed.

After that, the side welding heater 341 is raised to the standby position, the driving of the transport motor M1 is restarted, and the transport of the paper P by the upper-package transport belt 334 and the lower-package transport belt 335 is resumed. At this time, since the welding/cutting heater 305 is at the welding position on the upstream side of the paper P, the two films (F1 and F2) are cut at this welding position. By these operations, the films (F1, F2) are welded to the trailing edge and both sides of the paper P, and the trailing edge is cut at the welded position to form a package. Two films (F1, F2) are previously welded to the front end of the paper P during the previous packaging process to form a welding line Fx, so that together with this, the periphery of the paper P is welded and sealed. things are created.

The transport motor M1 continues to be driven even after the package is produced, and when the third sensor D3 detects the passage of the trailing edge of the paper P forming the package, the drive of the transport motor M1 is stopped and the welding is performed. The cutting heater 305 is raised to the standby position. The paper P whose trailing end has passed the detection position of the third sensor D3 is discharged from the package discharge port 309 in the form of a package, and stacked on the package tray 304. FIG.

Next, the perforation forming part 350 will be described.
As shown in FIGS. 5 and 6 , the perforation forming section 350 includes a perforation blade unit 310 having a perforation blade 311 and a perforation blade facing roller 317 .
As shown in FIGS. 5 and 6, the perforating blade facing roller 317 is a part of the upper paper tube guide 307A, and is attached to the facing roller rotating shaft 317a with respect to the facing roller holding portion 370 projecting downstream in the conveying direction. is rotatably supported around the
The perforating blade unit 310 is attached to a unit holding casing 371 fixed to the upper surface of the housing of the main body of the packaging machine 300 .
The perforating blade unit 310 includes a lower casing 315 and an upper casing 316, and includes a portion of a perforating blade 311, which is a rotary perforating blade, and a portion of a perforating blade holding lever 312 that rotatably holds the perforating blade 311. It is exposed from the casing.

A sewing machine blade holding lever 312 is held by a lower casing 315 so as to be rotatable about a lever rotation shaft 313 . A perforation blade pressure spring 314 disposed within the perforation blade unit 310 has one end fixed to the lower casing 315 and the other end fixed to the perforation blade holding lever 312 . The pressing force of the perforating blade pressure spring 314 acts to rotate the perforating blade holding lever 312 about the lever rotation shaft 313 counterclockwise in FIG. As a result, the perforating blade 311 held by the perforating blade holding lever 312 comes into contact with the perforating blade opposing roller 317 so as to be pressurized.

The perforation blade 311 can be brought into contact with and separated from the perforation blade facing roller 317 by rotating the perforation blade holding lever 312 . The perforation blade unit 310 includes a lever lock mechanism (not shown) that fixes the position of the perforation blade holding lever 312 when the perforation blade 311 is separated from the perforation blade facing roller 317 . By pressing down the lever operating portion of the perforation blade holding lever 312 protruding from the lower casing 315 to the outside of the casing, the perforation blade 311 is separated from the perforation blade facing roller 317, and the perforation blade holding lever 312 is locked by the lever lock mechanism. is fixed. When a lock release lever (not shown) is operated, the position of the lever lock mechanism is released, and the perforation blade holding lever 312 is rotated by the biasing force of the perforation blade pressure spring 314 , and the perforation blade 311 is moved to the perforation blade facing roller 317 . Make pressure contact.
By operating the perforation blade holding lever 312 and the lock release lever in this manner, the perforation blade 311 can be manually brought into contact with and separated from the perforation blade facing roller 317 .

In the packaging machine 300, when the upper film roll R1 is loaded, the lever operation portion of the perforation blade holding lever 312 is pushed down, and the perforation blade 311 is fixed in a state separated from the perforation blade facing roller 317.例文帳に追加Then, the upper film F1 pulled out from the upper film roll R1 to be mounted is passed around the perforating blade facing roller 317, sandwiched between the facing portion of the upper film support roller 308A, and the upper first film guide 331 and the upper second film guide 332. The upper film roll R1 is attached by hanging it around.
Since the welding line Fx is not formed between the leading edge of the upper film F1 and the leading edge of the lower film F2 immediately after the film roll R is mounted, the leading edge of the upper film F1 and the leading edge of the lower film F2 are joined by a means such as cellophane tape. joined by Then, in order to form the welding line Fx, test packaging is performed by inserting a test packaging object at least once.

When the lock release lever is operated after the film roll R is loaded, the perforation blade 311 presses into contact with the perforation blade opposing roller 317, and the blade of the perforation blade 311 having blade portions and groove portions alternately formed on the circumference. A hole is formed in the upper film F1 which is wound around the roller 317 facing the perforating blade.
In this state, the sheet P, which is the object to be wrapped, is inserted into the packaging machine 300, and the upper film F1 is pulled out from the upper film roll R1, so that the perforating blade facing roller 317 and the perforating blade 311 rotate together. The rotating perforation blade 311 forms broken-line perforations in the upper film F1 parallel to the moving direction of the upper film F1.

The upper film F1 on which perforations are formed by the perforation blade 311 passes through the holding portion between the upper film support roller 308A and the upper film roll R1, and is guided by the upper first film guide 331 and the upper second film guide 332. , the welding/cutting heater 305 and the side welding heater 341 reach the welding portion where the films F are welded together. Then, by sandwiching the paper P between the two films F (F1, F2) that have reached the welding part and welding the two films F, a package having perforations on the surface is created, and the package discharge port is formed. 309 and loaded onto package tray 304 .

As described above, in the folding and packaging system 500 including the folding machine 100, the bridge 200, and the packaging machine 300, the paper P placed on the paper feeding shelf 6 of the folding machine 100 is folded by the folding machine 100. It is possible to automatically perform the processes from processing to packaging by the packaging machine 300 . In addition, the finished length differs depending on how the paper P is folded, such as two folds, three folds, four folds, double folds, single sleeve folds, and the like. However, the packaging machine 300 can weld the trailing edge in the transport direction at a position corresponding to the length of the paper P to be packaged. Therefore, even if the folding method of the paper P is changed in the paper folding machine 100, a package corresponding to the finished length of the paper P can be created without changing the setting of the packaging machine 300. - 特許庁

The paper folding packaging system 500 of the present embodiment is configured to allow selection of a single-sheet packaging mode in which folded sheets P are wrapped one by one, and a multiple-sheet packaging mode in which multiple sheets are stacked and packaged. there is

FIG. 7 is an explanatory diagram showing how the paper P is conveyed from the paper folding machine 100 to the bridge 200 in the single-sheet wrapping mode.

In the single sheet packaging mode, the stacker belt 82 continuously moves endlessly in the direction indicated by the arrow "A" in FIG. 7, and the two relay conveyor belts (201, 202) are indicated by the arrow "B" in FIG. It moves endlessly in one direction.
In the single-sheet packaging mode, the surface movement speed of the stacker belt 82 is set such that the surface movement speed is a speed that is longer than the finished length in the time of the paper feed interval at which the paper feed unit 2 feeds out the paper P. Controls the speed of the paper timing or stacker belt drive motor 180 .
As a result, as shown in FIG. 7, the sheets P continuously discharged onto the stacker belt 82 do not overlap each other, and the trailing edge of the preceding sheet P and the leading edge of the succeeding sheet P do not overlap each other. It can be transported in a spaced state.

The paper P that has reached the intermediate transport receiving roller nip without overlapping is nipped and transported by two intermediate transport belts (201, 202) that continuously move on the surface, and is handed over to the packaging machine 300 one by one. A package in which each sheet of paper P after the folding process is wrapped with the film F can be produced.

8 and 9 are explanatory diagrams showing how the paper P is conveyed from the paper folding machine 100 to the bridge 200 in the multi-sheet wrapping mode. In particular, FIG. 8 shows the transport state of the paper P from the paper folding machine 100 toward the bridge 200 in the multi-sheet wrapping mode, and FIG. 9 shows the paper after reaching the bridge 200 in the multi-sheet wrapping mode. 4 shows the transport state of P;

In the multi-sheet wrapping mode, the stacker belt 82 continuously moves endlessly in the direction indicated by the arrow "A" in FIGS. On the other hand, the two relay conveyor belts (201, 202) repeatedly move endlessly in the direction indicated by the arrow "B" in FIG. 9B and stop.
In the multi-sheet packaging mode, the surface movement speed of the stacker belt 82 is the speed at which the surface moves a distance of several centimeters, which is sufficiently shorter than the finished length, at the time of the paper feed interval at which the paper feed unit 2 feeds out the paper P. The paper feed timing or the speed of the stacker belt drive motor 180 is controlled so that the
As a result, as shown in FIG. 8, the paper P discharged onto the stacker belt 82 is discharged in a state in which the surface partially overlaps the preceding paper P. As shown in FIG. Then, on the stacker belt 82, a plurality of sheets P are transported in a scale-like state in which the next sheet P is superimposed on the upstream portion of the sheet P transported in advance.

In the multi-sheet wrapping mode, the user inputs in advance the number of sheets P to be wrapped at the same time. The folding machine 100 is in an idling state. 8 and 9 show the case where the number of sheets P to be packed at the same time is three, but the present invention is not limited to this.

As shown in FIG. 8A, three sheets of paper P stacked in a scale shape on the stacker belt 82 are transported toward the bridge 200 by the movement of the surface of the stacker belt 82 . Then, as shown in FIG. 8(b), the leading edge of the first paper P1 discharged onto the stacker belt 82 first among the three papers reaches and collides with the relay conveyance receiving roller nip. As the stacker belt 82 further moves on the surface, a conveying force is applied to a portion of the first paper P1 that is in contact with the stacker belt 82 on the upstream side in the conveying direction. It slips on the stacker belt 82 .
Even after the first sheet P1 hits, the stacker belt 82 applies a conveying force to the succeeding second sheet P2 and third sheet P3. As shown in FIG. 9A, the three sheets of paper P abut against the relay transfer receiving roller nip to form a paper bundle Pb with the downstream ends aligned in the transfer direction.

At the timing when the leading edge of the last sheet P (the third sheet P3 in FIGS. 8 and 9) of a plurality of sheets P to be packed at the same time reaches the relay conveyance receiving roller nip, the relay conveyance belt driving motor 251 is driven. do. In this embodiment, the last sheet P of a plurality of sheets P to be packed at the same time is fed, and the relay conveyor belt drive motor 251 is driven 1 second after the feeding is stopped.
When the relay conveyor belt drive motor 251 is driven, the two relay conveyor belts (201, 202) endlessly move in the direction indicated by the arrow "B" shown in FIG. The bundle Pb is nipped and conveyed by two relay conveyor belts (201, 202). Then, the sheet bundle Pb is transferred to the packaging machine 300 in the state of the sheet bundle Pb, and a package in which the sheet bundle Pb in which a plurality of (three) folded sheets P are overlapped with the film F is wrapped can be produced.

After the relay conveying belt drive motor 251 starts to be driven, when the relay conveying exit sensor 253 detects passage of the trailing edge of the bundle of sheets Pb, the relay conveying control unit 250 stops driving the relay conveying belt drive motor 251 to control paper folding. A signal that serves as a trigger for resuming paper feeding is transmitted to the unit 1 .

If the sheet feeding timing is differentiated between the single-sheet wrapping mode and the multiple-sheet wrapping mode, it is not necessary to differentiate the surface movement speed of the stacker belt 82 between the single-sheet wrapping mode and the multiple-sheet wrapping mode. More specifically, in the multi-sheet wrapping mode, the sheet feeding interval is shortened so that the sheet ejection speed is such that the sliced sheets P can be formed on the stacker belt 82 . On the other hand, in the single-sheet wrapping mode, the sheet feeding interval is lengthened so that the sheets P do not overlap each other on the stacker belt 82 and are conveyed at intervals.

Here, the control in the multi-sheet packaging mode will be described.
When the multi-sheet wrapping mode is selected, the number of sheets P to be wrapped at the same time is set, and a start operation is performed, the paper folding machine 100 and the paper folding control unit 1 wrap the set number of sheets P one by one. Paper is fed and folded. As a result, the sheets P after the folding process are arranged in a set number of sheets on the stacker belt 82 and conveyed toward the bridge 200 (FIG. 8).

When the last sheet P of the set number is fed, the paper folding control unit 1 stops the paper feeding from the paper feeding unit 2, puts the paper folding machine 100 into an idling state, and Seconds later, a relay transport start signal is transmitted to the relay transport control unit 250 . The relay conveyance control unit 250 that receives the relay conveyance start signal starts driving the relay conveyance belt drive motor 251 . As a result, the two intermediate transport belts (201, 202) start to move endlessly, and the sheet bundle Pb (state shown in FIG. 9A) in which the multiple sheets of paper P staying at the intermediate transport receiving roller nip are overlapped is wrapped. It is conveyed toward the machine 300 (FIG. 9(b)).

After that, when the relay transport exit sensor 253 detects the passage of the rear end of the stack of sheets Pb, the relay transport control unit 250 stops driving the relay transport belt drive motor 251 and sends a signal to the paper folding control unit 1 to resume paper feeding. Send. The paper folding control unit 1 receives the signal to resume paper feeding, and again feeds the set number of papers P one by one, and performs folding processing. By repeating such control, it is possible to continuously create a package in which a plurality of folded sheets P are stacked and packaged.

In the multi-sheet packaging mode, the distance from the stack nip where the stacker roller 81 contacts the stacker belt 82 to the relay transfer receiving roller nip is in the range of -5 mm to +10 mm with respect to the finished length. It is desirable to adjust the position of the stacker roller 81 so that the If the position of the stacker roller 81 is out of the above range, the shape of the slices may be lost and the sheet bundle Pb may not be formed satisfactorily. On the other hand, by setting the position of the stacker roller 81 in the above range, a plurality of sheets P in a state of maintaining the shape of slices are sent to the intermediate transport receiving roller nip, and the sheet bundle Pb is satisfactorily handled by the intermediate transport receiving roller nip. Confirmed that it can be formed. The position of the stacker roller 81 may be automatically adjusted or manually adjusted.

In the paper folding packaging system 500 of this embodiment, the packaging machine 300 is configured to be movable with respect to the paper folding machine 100 and the bridge 200 . In such a configuration, if the packaging machine 300 and the bridge 200 are physically connected by a wired line or the like, the communication line may be disconnected when the packaging machine 300 is moved. On the other hand, the paper folding packaging system 500, as shown in FIG. It is configured to do With this configuration, disconnection of the communication line when the packaging machine 300 is moved can be suppressed compared to a configuration in which the communication lines are physically connected by a wired line or the like.

As shown in FIG. 1, the packaging machine 300 also includes a full load detection sensor 348 that detects when the package tray 304 is nearly full. The full load detection sensor 348 detects the presence or absence of a shield within the detection range by irradiating infrared rays to the outside of the apparatus and receiving infrared rays reflected by the shields located within the detection range. When the packages discharged from the packaging machine 300 are loaded onto the package tray 304 and the package tray 304 is nearly full, the full load detection sensor 348 detects that there is a shield (package) in its detection range. is detected, and a signal is sent to the controller of the packaging machine 300 to notify that there is a shield within the detection range. The control unit of the packaging machine 300 receiving this signal issues a full load signal to the relay transport control unit 250 through the above-mentioned optical wireless communication line. A signal is issued to stop paper feeding from the paper feeding unit 2 .
The full load detection sensor 348 is not limited to one using infrared rays, as long as it can detect that the packages have reached a predetermined height above the mounting surface of the package tray 304 .

As a configuration using an optical wireless communication line, information other than a full load signal may be transmitted by combining blinking light emission patterns.

Combinations of the state of the packaging machine 300 and the light emission pattern of the light emitter 347 in this configuration example are as follows.
・Lighting: Ready state (packaging ready signal)
・Lights off: Not ready (power off, preheating, roll changing, error occurring, etc.).
Blinking: The full load detection sensor 348 has detected a full load.

Combinations of the light emission pattern received by the packaging machine signal receiving section 252 and the control by the paper folding control section 1 are as follows.
Lights up: when the folding machine 100 and the bridge 200 are ready, the folding process is executed.
・No light received: Equipment stops immediately.
Blinking: The folding process is continued for the sheet P that has already been fed, the subsequent feeding operation is stopped, the folded sheet P is transported to the bridge 200 and the packaging machine 300, and the apparatus is stopped.

As the optical wireless communication line, visible light is used in this embodiment, but infrared communication such as IRDA may be adopted.

As the packaging machine 300, a known one can be used, for example, the one described in JP-A-2017-074975 can be used, but the packaging machine 300 is not limited to this.
The packaging machine 300 may be capable of transmitting operation information and error information of the packaging machine 300 to an external device using an external communication line such as the Internet when power is turned on or an error occurs. The operation information to be transmitted to the external device includes, but is not limited to, a cumulative counter indicating the number of packaging operations of the packaging machine 300, error information (error type and number of times), and the like. Further, it may be possible to obtain information such as a method of repairing a failure and version upgrade information of a control program from an external device through an external communication line. Furthermore, a configuration may be adopted in which an update program for the control program of the control unit of the packaging machine 300 can be downloaded from the management server through an external communication line. A line connecting the packaging machine 300 and an external communication line may be a wired line such as a LAN cable, or a wireless line such as Wi-Fi.
The packaging machine 300 described above has a configuration for horizontal transport in which the paper P, which is the object to be packaged, is wrapped in the resin film, which is the packaging material, while it is transported in the horizontal direction. The packaging means that can be used is not limited to this. For example, as in the packaging apparatus described in Japanese Patent Application Laid-Open No. 2016-037302, it may have a configuration of vertical conveyance in which an article to be packaged is packed while being conveyed from above to below. Moreover, the packaging material is not limited to the film, and other packaging materials such as paper may be used.

In the above-described embodiment, a configuration has been described in which the wrapping machine 300 wraps the paper P that has been folded by the paper folding machine 100. However, the paper folding machine 100 may be provided with a paper feeding mode in which the folding process is not performed. . The paper P that has passed through the paper folding machine 100 in the paper feeding mode is delivered to the packaging machine 300 in an unfolded state to create a package. In a conventional packaging apparatus having a configuration similar to that of the packaging machine 300, the objects to be packaged were manually fed. It is possible to automatically and continuously perform the wrapping processing of the paper P that has not been loaded.
Furthermore, when the paper folding machine 100 is set to the paper passing mode, it is possible to select a single-sheet wrapping mode in which the paper P after the passing process is wrapped one by one, or a multi-sheet wrapping mode in which a plurality of sheets are stacked and wrapped. It has a configuration that allows

When a packaging device such as the packaging machine 300 is used to package a sheet material that has been folded by a sheet folding device such as the paper folder 100, a user has conventionally handled the feeding section of the sheet folding device. A sheet material to be wrapped before folding processing is placed by hand, and the folding processing of the sheet folding device is started. After that, the folded sheet material discharged to the discharge section of the sheet folding device is manually collected and inserted from the insertion opening of the packaging device. In this way, after the sheet material is placed on the feeding section of the sheet folding device, the user can manually collect the sheet material from the discharge section of the sheet folding device and insert it into the insertion opening of the packaging device. be a burden for
On the other hand, in the paper folding packaging system 500 of the present embodiment, the paper P discharged to the paper discharging section 3 of the paper folding machine 100 is automatically taken into the packaging machine 300 using the bridge 200 and wrapped. Therefore, it is possible to reduce the burden on the user who wants to carry out the wrapping process as it is after the folding process.

It should be noted that if the plate-like materials are fed to the packaging device such as the bridge 200, the plate-like materials are sequentially discharged after processing, regardless of the case where the folding process is performed before the packaging process. By arranging it on the downstream side of the processing device, it is possible to reduce the burden on the user who wants to package the plate-like material processed by the plate-like material processing device.

What has been described above is only an example, and each of the following aspects has a unique effect.

[Aspect 1]
Aspect 1 includes packaging means such as a packaging machine 300 that wraps a plate-shaped material such as paper P received from a packaging receiving unit such as a packaging receiving unit 302 with a packaging material such as a film F to create a package. In a packaging system such as the folding packaging system 500, a first conveying unit such as a stacker belt 82 that sequentially conveys a plurality of plate-shaped materials, and a plate-shaped material conveyed through the first conveying unit are stopped, and the following plate A stagnant part such as a relay transport receiving roller nip for forming a plate-shaped material bundle such as a sheet bundle Pb by stacking the sheet materials, and the plate-shaped material bundle formed in the stagnant part is conveyed toward the packaging object receiving part of the packaging means. and a second conveyor, such as two relay conveyor belts (201, 202).
According to this, the packaging process can be performed in a state in which a plurality of plate-like materials sequentially conveyed from the upstream side of the packaging means are grouped. This can be used when a plurality of printed materials with the same printed content are packaged together, or when a plurality of printed materials with different printed contents are packaged together.
In the above-described embodiment, the retention section is provided with a member that abuts against the tip of the conveyed plate-like material, and is configured to release this abutment during conveyance by the second conveying section. is not limited to the configuration provided with a member with which the tip of the abuts.
For example, the plate-shaped materials conveyed from the first conveying section are dropped into the storage section, the plate-shaped materials are stacked in the storage section to form a bundle of plate-shaped materials, and the bundle of plate-shaped materials in the storage section is transferred to the second transportation section. It may be configured to provide a moving member that moves toward. Examples of the moving member include, but are not limited to, pushing members that move within the housing member and push out the bundle of plate materials.

[Aspect 2]
Aspect 2 is the packaging system of Aspect 1, wherein the retention portion abuts on the leading end of the plate-shaped material conveyed by the first conveying portion to temporarily stop the plate-shaped material, and the subsequent plate-shaped material catches up with the plate-shaped material. Equipped with stoppers such as an upper belt driving roller 203 and a lower belt driving roller 204 that form a bundle of plate materials in a laminated state, and a bundle of plate materials in which a predetermined number of plate materials such as three are laminated depending on the stopped state of the stoppers. is formed, the packaging system is characterized by comprising a control means such as a relay transfer control unit 250 that controls to release the stopped state of the stopper and start transfer by the second transfer unit.
According to this, the preceding plate-like material is stopped by the stopper and the following plate-like material catches up, so that the plate-like material bundle can be formed in the retention portion using the plate-like materials that are sequentially conveyed. . In addition, it is possible to realize a configuration in which a package is created by stacking a plurality of plate-like materials that are sequentially conveyed.

[Aspect 3]
Aspect 3 is the packaging system of Aspect 2, in which the upper belt driving roller 203 and the lower belt are arranged to guide the leading edge of the plate-shaped material conveyed to the first conveying unit to the nip such as a relay conveying receiving roller nip. It has a roller pair such as a roller pair consisting of the drive roller 204, and the roller pair can switch between a rotating state and a stopped state. The packaging system functions as a stopper that stops by pressing and functions as a second conveying unit that pinches and conveys the plate-shaped material in the nip when in a rotating state.
According to this, by stopping the pair of rollers forming the second conveying section, the plate-shaped materials that are sequentially conveyed hit against the pair of rollers to create a bundle of plate-shaped materials by stacking a plurality of copies, and then, By rotating the pair of rollers, it is possible to send a bundle of plate-like materials to the packaging means, and it is possible to realize a configuration in which a plurality of sequentially conveyed plate-like materials are stacked to form a package.

[Aspect 4]
Aspect 4 is the packaging system according to any one of Aspects 1 to 3, wherein the first conveying unit places the subsequently conveyed plate material on a part of the surface above the precedingly conveyed plate material. This packaging system is characterized by conveying plate-shaped materials in a semi-overlapped state such as a sashimi-shaped material in which the plate-shaped materials are overlapped.
According to this, it is possible to realize a configuration in which a plurality of plate-shaped materials that are sequentially conveyed in a half-stacked state are stacked to form a package. In addition, by conveying in a half-stacked state and forming a bundle of plate-like materials by abutting the ends thereof, the sequentially conveyed plate-like materials are stacked from the bottom without changing the order in which they were supplied to the first conveying section. It is possible to form a stack of plate-shaped materials.

[Aspect 5]
Aspect 5 is the packaging system according to any one of Aspects 1 to 4, wherein an upstream processing unit such as a paper folding machine 100 that performs predetermined processing such as folding processing on a plate material is provided on the upstream side of the first conveying unit. A packaging system comprising:
According to this, it is possible to realize a configuration in which a plurality of plate-like materials that are sequentially conveyed after being subjected to predetermined processing in the upstream processing section are stacked to form a package.
The upstream processing section is not limited to a sheet folding device such as the paper folding machine 100, and may be any device that sequentially discharges plate-like materials. For example, a bookbinding system described in JP-A-2019-048725 may be used. In this case, the plate material to be wrapped by the wrapping means is a booklet, and the booklets that are sequentially conveyed to the belt stacker are retained in the retaining portion to form a booklet bundle, which is then packaged by the wrapping means.

[Aspect 6]
Aspect 6 is the packaging system according to Aspect 5, wherein the discharge interval at which the upstream processing unit discharges the plate-like materials after predetermined processing to the first conveying unit is equal to the plate-like materials forming the plate-like material bundle in the retention unit. The final plate-shaped material (third paper) forming the plate-shaped material bundle P3) and the first plate-shaped material (first sheet P1) forming the next bundle of plate-shaped materials, the discharge interval of the paper folding control unit 1, etc., which controls the discharge interval so that the discharge interval is longer. A packaging system, characterized in that it comprises control means.
According to this, it is possible to prevent the plate-shaped materials to be included in the subsequent plate-shaped material bundle from being conveyed to the packaging means together with the plate-shaped material bundle to be sent first to the packaging means, thereby preventing the mixing of the plate-shaped materials. .

[Aspect 7]
Aspect 7 is the packaging system of Aspect 6 having the configuration of Aspect 4, wherein the ejection interval control means is a predetermined ejection in which the plate material ejected from the upstream processing section is in the semi-overlapping state in the first conveying section. After the predetermined number of plate-like materials forming the plate-like material bundle are half-stacked while being discharged at intervals, the plate-like material to be discharged next from the upstream processing section is the plate discharged first. The packaging system is characterized in that the discharge interval is controlled so as not to overlap with the shaped material.
According to this, it is possible to prevent a plate material to be included in the next plate material bundle from being mixed in a half-stacked state of a plurality of plate materials forming one plate material bundle.

[Aspect 8]
Aspect 8 is the packaging system according to any one of Aspects 5 to 7, wherein the upstream processing unit obtains a predetermined number of plate-like materials forming the plate-like material bundle (a predetermined number of sheets P forming the sheet bundle Pb, in the embodiment This packaging system is characterized by having a predetermined number of copies acquisition means such as an operation panel 10 for acquiring three copies.
According to this, the predetermined number of copies input by the user is obtained by the predetermined number of copies obtaining means of the packaging system, so that when packaging a plurality of copies of plate materials such as a plurality of sheets of paper P together, It is possible to package the number of sheets desired by the user.

[Aspect 9]
A ninth aspect is the packaging system according to any one of Aspects 5 to 8, wherein the upstream processing section is sheet folding means such as a paper folding machine 100 that performs folding processing on the sheet material.
According to this, the sheet material subjected to the folding process can be packaged as a plate-like material, and the process from folding the sheet material to the packaging process can be automatically performed. Further, it is possible to package a plurality of folded sheets which are folded one by one by the sheet folding means and are sequentially discharged.

[Aspect 10]
Aspect 10 is the packaging system according to any one of Aspects 1 to 9, wherein the packaging means includes a first supply unit such as an upper film roll R1 that supplies a packaging material such as a sheet-like film F that is continuous in the supply direction, and a lower film A second supply unit such as a roll R2, a first packaging material such as an upper film F1 that is a packaging material supplied from the first supply unit, and a lower film F2 that is a packaging material supplied from the second supply unit. Welding unit that performs packaging processing to package the object to be packaged by sandwiching the object to be packaged (sheet bundle Pb, etc.) between the two packaging materials and joining the first packaging material and the second packaging material by welding or otherwise joining them. 340, a packaging system comprising a packaging process.
According to this, the bundle of plate-shaped materials, which is the object to be packaged, is sandwiched between two continuous sheet-shaped packaging materials, and the bundle of plate-shaped materials can be packaged by joining the two packaging materials. In addition, by joining and cutting continuous sheet-like packaging materials according to the length of the bundle of plate-shaped materials to create a package, there is no need to prepare packaging materials that match the length of the bundle of plate-shaped materials. , a suitable length of package can be made for the length of the bundle of plate material.

[Aspect 11]
Aspect 11 is sheet folding means such as a paper folding machine 100 that folds a sheet material such as paper P placed in a feeding unit such as the paper feeding unit 2 and discharges it to a discharging unit such as the paper discharging unit 3. In a sheet folding system such as a paper folding packaging system 500 including A accumulating portion such as a relay conveyance receiving roller nip that stops the material and overlaps subsequent sheet materials to form a sheet bundle such as the sheet bundle Pb, and a accumulating portion that conveys the sheet bundle formed in the accumulating portion toward the downstream side. and a second conveying unit such as relay conveying belts (201, 202).
According to this, it is possible to supply a plurality of sheet materials to the downstream side of the second conveying section in a state in which a plurality of sheet materials that are sequentially discharged after being folded by the sheet folding means are grouped together.

[Aspect 12]
Aspect 12 is sheet folding means such as a paper folding machine 100 that folds a sheet material such as paper P placed on a feeding unit such as the paper feeding unit 2 and discharges it to a discharging unit such as the paper discharging unit 3. and packaging means such as a packaging machine 300 that prepares a package by wrapping a sheet material received from a package receiving unit such as the package receiving unit 302 with a packaging material such as a film F, and is discharged from the discharge unit. a stacker belt 82 or the like for sequentially conveying a plurality of sheet materials, and a sheet bundle such as a sheet bundle Pb by stopping the sheet materials conveyed by the first conveying section and overlapping subsequent sheet materials. and a second conveying section such as two relay conveying belts (201, 202) for conveying the sheet bundle formed in the staying section toward the packaging means. It is a sheet folding packaging system characterized by
According to this, the sheet materials that are folded by the sheet folding means and are successively discharged can be supplied to the packaging means on the downstream side of the second conveying section in a state in which a plurality of sheets are grouped together. A plurality of sheets after the folding process, which are folded one by one and are sequentially discharged, can be packed together.

[Aspect 13]
Aspect 13 is the packaging system according to any one of Aspects 1 to 10, wherein a single packaging mode in which the plate material conveyed by the first conveying unit is conveyed one by one toward the packaging means by the second conveying unit; The packaging system is characterized in that it is possible to select a multiple packaging mode in which plate-like materials are piled up to form a bundle of plate-like materials and conveyed toward packaging means.

[Aspect 14]
Aspect 14 is sheet folding means such as a paper folding machine 100 that folds a sheet material such as paper P placed in a feeding unit such as the paper feeding unit 2 and discharges it to a discharging unit such as the paper discharging unit 3. and packaging means such as a packaging machine 300 that wraps a sheet material received from a packaging object receiving unit such as a packaging receiving unit 302 with a packaging material such as a film F to create a package, wherein the packaging means An object to be wrapped such as paper P or paper bundle Pb is sandwiched between two wrapping materials such as film F, and the two wrapping materials are adhered (thermal The object to be packaged is wrapped in two sheets of packaging material by welding, etc.), and the upstream end in the conveying direction of the object to be packaged is a bonding part (a welding cutting heater 305 and a front and rear end welding receiver) for bonding the packaging material. Based on the detection result (detection result of the second sensor D2) of passing through the part in contact with the base 344), the bonding operation of the two packaging materials on the upstream side in the conveying direction with respect to the object to be packaged. It is a sheet folding packaging system characterized by executing
In the sheet folding device, the finished length differs depending on how the sheet is folded. Therefore, unless the length of the packaging material is changed according to the folding method of the sheet, the packaging material may be too large for the folded sheet material, or the sheet material may not fit inside the packaging material. On the other hand, in order to change the length of the packaging material according to the finished length, the size of the packaging material used in the packaging process is changed in advance, or the position of the bonding portion that bonds the packaging materials together is moved. In the configuration, it is necessary to greatly change the settings on the packaging device side every time the folding method of the sheet material is changed.
On the other hand, as in the configuration of aspect 13, based on the detection result of detecting that the upstream end portion of the sheet material to be folded, which is the object to be packaged, has passed through the adhesive portion, the upstream side in the transportation direction With a configuration that performs the gluing operation, even if the finished length changes due to a change in the folding method, it is possible to create a package having a length corresponding to the finished length without changing the settings on the packaging device side. .

[Aspect 15]
Aspect 15 is the sheet folding packaging system according to Aspect 14, wherein the bonding portion is an adhesive welding portion that bonds and cuts the two packaging materials, and the two packaging materials are separated from each other on the upstream side in the conveying direction of the sheet material. By performing bonding and cutting, the bonded portion on the upstream side of the cut position in the packaging material is separated from the two packaging materials on the downstream side in the conveying direction of the next conveyed packaging object. A sheet folding packaging system characterized by being glued parts.
According to this, it is possible to perform packaging in which the downstream side and the upstream side in the conveying direction of the object to be packaged are adhered at one adhesive portion in the conveying direction.

[Aspect 16]
Aspect 16 is the sheet folding packaging system according to Aspect 14 or 15, wherein the packaging material is a resin film member, and the adhesive portion is two film members overlapped and heated to be welded together. packaging system.

1: paper folding control section 2: paper feeding section 3: paper discharging section 4: folding processing section 5: frame 6: paper feeding shelf 7: feeding mechanism 10: operation panel 20: folding section roller 36: first folding plate 40 : Second folding plate 81 : Stacker roller 82 : Stacker belt 100 : Folding machine 101 : Touch panel 200 : Bridge 201 : Relay upper belt 202 : Relay lower belt 203 : Upper belt drive roller 204 : Lower belt drive roller 250 : Relay transport control unit 300: packaging machine 302: package receiving unit 304: package tray 305: welding/cutting heater 341: side welding heater 500: paper folding packaging system F1: upper film F2: lower film

Claims (12)

In a packaging system comprising packaging means for packaging a plate-shaped material received from a packaging object receiving unit with a packaging material to create a package,
a first conveying unit that sequentially conveys a plurality of plate-shaped materials;
a retention section for stopping the plate-shaped materials conveyed by the first conveying section and stacking subsequent plate-shaped materials to form a bundle of plate-shaped materials;
A packaging system, comprising: a second conveying section that conveys the plate-shaped material bundle formed in the staying section toward the packaging object receiving section of the packaging means. The packaging system of claim 1, wherein
The retention portion abuts on the leading end of the plate-like material conveyed by the first conveying portion, temporarily stops the plate-like material, and the following plate-like material catches up with the plate-like material so that the plate-like material is stacked and the plate-like material bundle is transported. with a forming stopper,
When the bundle of plate-shaped materials in which a predetermined number of plate-shaped materials are stacked is formed by the stopped state of the stopper, the stopped state of the stopper is released, and the second conveying section starts conveying. A packaging system comprising: control means for The packaging system of claim 2,
Having a pair of rollers arranged to guide the tip of the plate-shaped material conveyed to the first conveying unit to the nip,
The pair of rollers can be switched between a rotating state and a stopped state, and in the stopped state, the plate-like material conveyed to the first conveying unit abuts against the nip and stops. A packaging system characterized in that, when in a rotating state, the packaging system functions as the second conveying section that pinches and conveys a plate-shaped material in the nip. In the packaging system according to any one of claims 1 to 3,
A packaging characterized in that the first conveying unit conveys the plate material in a half-overlapping state in which the plate material to be conveyed subsequently overlaps a part of the upper surface of the plate material to be conveyed in advance. system. In the packaging system according to any one of claims 1 to 4,
A packaging system comprising an upstream processing section that performs a predetermined processing on the plate-like material, on the upstream side of the first conveying section. The packaging system of claim 5,
The discharge interval at which the upstream processing unit discharges the plate material after the predetermined processing to the first transport unit is
The last plate-like material forming the plate-like material bundle and the first plate-like material forming the next plate-like material bundle are positioned closer to each other than the discharge interval between the plate-like materials forming the plate-like material bundle in the stagnant portion. A packaging system comprising a discharge interval control means for controlling the discharge interval so that the discharge interval between the material is longer. In the packaging system of claim 6 comprising the configuration of claim 4,
The discharge interval control means discharges the plate material discharged from the upstream processing section at a predetermined discharge interval at which the plate material is in the half-overlapping state in the first conveying section, and
After a predetermined number of plate-like materials forming the plate-like material bundle are placed in the half-overlapping state, the next plate-like material discharged from the upstream processing section is superimposed on the previously discharged plate-like material. A packaging system characterized by controlling discharge intervals so as not to overlap each other. In the packaging system according to any one of claims 5 to 7,
The packaging system, wherein the upstream processing section has a predetermined number of copies acquisition means for acquiring a predetermined number of the plate materials forming the bundle of plate materials. In the packaging system according to any one of claims 5 to 8,
The packaging system, wherein the upstream processing section is sheet folding means for performing folding processing on the sheet material. In the packaging system according to any one of claims 1 to 9,
The packaging means includes a first supply section and a second supply section that supply sheet-shaped packaging materials that are continuous in the supply direction;
An object to be packaged is sandwiched between a first packaging material that is the packaging material supplied from the first supply unit and a second packaging material that is the packaging material supplied from the second supply unit, and the first packaging material is supplied from the first supply unit. A packaging system, comprising: a packaging processing unit that performs a packaging process of packaging the object to be packaged by joining the packaging material and the second packaging material. In a sheet folding system comprising sheet folding means for performing folding processing on a sheet material placed in a feeding section and discharging the sheet material to a discharge section,
a first conveying unit that sequentially conveys a plurality of sheet materials discharged from the discharge unit;
a accumulating portion that stops the sheet material conveyed through the first conveying portion and overlaps subsequent sheet materials to form a sheet bundle;
A sheet folding system, comprising: a second conveying section that conveys the sheet bundle formed in the staying section toward the downstream side. sheet folding means for performing folding processing on the sheet material placed on the feeding unit and discharging the sheet material to the discharging unit;
packaging means for packaging the sheet material received from the packaging object receiving unit with the packaging material to create a package;
a first conveying unit that sequentially conveys a plurality of sheet materials discharged from the discharge unit;
a accumulating portion that stops the sheet material conveyed through the first conveying portion and overlaps subsequent sheet materials to form a sheet bundle;
and a second conveying section for conveying the sheet bundle formed in the staying section toward the wrapping means.

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