CN210140285U

CN210140285U - Paper feeding device

Info

Publication number: CN210140285U
Application number: CN201921013404.9U
Authority: CN
Inventors: 许号; 姚毅; 宋骄; 王鸿伟; 储进荣
Original assignee: Suzhou Luster Vision Intelligent Device Co Ltd
Current assignee: Suzhou Luster Vision Intelligent Device Co Ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-03-13
Anticipated expiration: 2029-07-02

Abstract

The application provides a paper conveying device which comprises a feeding mechanism, a lifting mechanism, a limiting mechanism and an air suction mechanism, wherein the feeding mechanism pushes a paper stack to the lifting mechanism; the lifting mechanism lifts the paper stack to the limiting mechanism. The paper stack is conveyed to the lifting mechanism through the feeding mechanism, uninterrupted continuous feeding of the air suction mechanism is realized through the lifting mechanism, a first limiting plate and a second limiting plate of the limiting mechanism can move on the positioning rod, so that the limiting function of paper products with different sizes is realized, the air suction large paper conveying assembly and the air suction small paper conveying assembly of the air suction mechanism can realize conveying of paper products with different types, if the paper products belong to small and thin types, the paper products can be conveyed only by adopting the air suction small paper conveying assembly, and the paper products can be conveyed by adopting the air suction large paper conveying assembly along with the increase of the thickness and the size of the paper products; or the small air suction paper conveying assembly and the large air suction paper conveying assembly are adopted to convey paper products simultaneously, so that the problem that the types of the paper products conveyed by the traditional paper conveying device are single is solved.

Description

Paper feeding device

Technical Field

The application relates to the technical field of paper product processing, in particular to a paper conveying device.

Background

In the paper printing industry, in order to detect or print paper sheet by sheet, the paper needs to be fed to a detection device or a printing device by a paper feeding device.

At present, the traditional paper conveying device generally adopts a paper product conveying mechanism with a single specification or similar box type, the paper product conveying mechanism cannot be replaced, or the replacement is troublesome, and the paper conveying device is only suitable for paper products with single type (thickness and size) or large conveying capacity.

However, the market demands more and more kinds of printed products, especially in the cosmetic industry, small-batch, multi-thickness and different-size printed paper products are generally needed, and if the traditional paper conveying device is adopted for conveying, a plurality of paper conveying devices are needed, so that the efficient production of the printed paper products is not facilitated.

In summary, in order to solve the problem that the conventional paper feeding device has a single type of paper to feed paper and improve the paper feeding efficiency in the printing industry, a paper feeding device suitable for feeding various types of paper is provided.

SUMMERY OF THE UTILITY MODEL

The application provides a paper conveying device to solve the problem that the paper type conveyed by a traditional paper conveying device is single.

The application provides a paper conveying device which comprises a feeding mechanism, a lifting mechanism, a limiting mechanism and an air suction mechanism;

the feeding mechanism pushes the paper stack to the lifting mechanism; the lifting mechanism receives the paper stack conveyed by the feeding mechanism and lifts the paper stack to the limiting mechanism;

the limiting mechanism comprises a scale rod, a positioning rod, a first limiting plate and a second limiting plate; the two ends of the scale rod and the positioning rod are arranged on the shell, and the first limiting plate and the second limiting plate are connected with the positioning rod in a sliding mode; the scale rod is used for recording the positions of the first limiting plate and the second limiting plate;

the air suction mechanism is arranged above the limiting mechanism and comprises a driving motor, an air suction large paper conveying assembly, an air suction small paper conveying assembly and a hexagonal transmission shaft; an output shaft of the driving motor is connected with an air suction large paper conveying assembly; the large air suction paper conveying assembly and the small air suction paper conveying assembly are connected through a hexagonal transmission shaft; the large air suction paper conveying assembly and the small air suction paper conveying assembly are used for adsorbing and conveying the paper products page by page from the paper products of the lifting mechanism.

Optionally, the limiting mechanism further comprises a paper pressing block, a paper pressing wheel and a distance sensor;

the first limiting plate and the second limiting plate are respectively connected with a paper pressing block, the paper pressing wheel is connected with the locating rod, and the paper pressing block and the paper pressing wheel are positioned between the first limiting plate and the second limiting plate so as to press the paper product on the uppermost layer of the paper stack;

the distance sensor is arranged on the scale rod to detect the distance from the paper stack to the distance sensor.

Optionally, the feeding mechanism comprises a paper backing plate, a blocking rod and a paper pushing frame; the paper leaning plate is vertically arranged on the paper pushing frame, and the paper leaning surface of the paper leaning plate is parallel to the pushing direction of the paper pushing frame; the stop lever is vertically arranged on the paper pushing frame.

Optionally, the feeding mechanism further comprises a paper backing support, a sliding rod, a fixed marker post, a sliding fixed block and a stack height sensor;

the paper backing plate is connected with the paper backing plate bracket through a sliding rod, and the sliding rod is fixed with the paper backing plate bracket through a fixing mark rod; the paper leaning plate bracket is connected with the paper pushing frame through a sliding fixing block;

a stack height sensor is provided on the sheet support to detect the height of the stack.

Optionally, the feeding mechanism further comprises a roller; the roller is arranged at the bottom of the feeding mechanism to support the feeding mechanism.

Optionally, the lifting mechanism 2 includes a lower platform 21, a first driving assembly 22, a cross-over sensing piece 23, an upper platform 24, a first cross-over sensor 251, a second cross-over sensor 252, an insertion rod 26 and a second driving assembly 27;

the first driving assembly 22 is connected with the lower platform 21 through a transmission mechanism, and a cross connection induction sheet 23 is arranged on the lower platform 21; the second driving assembly 27 is connected to the upper platform 24 through a transmission mechanism, and the upper platform 24 is provided with a first cross-over sensor 251, a second cross-over sensor 252 and an inserting rod 26;

after the lower platform 21 receives the paper stack pushed by the feeding mechanism 1, the first driving assembly 22 drives the lower platform 21 to ascend, and the paper stack is transferred to the upper platform 24 through the inserting rod 26; the upper platform 24 receives the paper stack through the inserted link 26 and conveys the paper stack to the limiting mechanism 3; the first cross sensor 251 senses the stack and the cross sensing piece 23, and the second cross sensor 252 senses the lower plate 21.

Optionally, an anti-collision sensor is further arranged on the upper platform; in the descending process of the upper platform, the anti-collision sensor detects the position of the paper stack so as to prevent the upper platform from colliding with the paper stack;

in the retraction process of the inserted bar, the shock absorption assembly reduces the shock of the retraction action of the inserted bar so as to ensure the stable operation of the upper platform.

Optionally, the large air suction paper conveying assembly comprises a paper conveying belt, a driving wheel, a tension wheel and a negative pressure air suction block;

the paper conveying belt is sleeved on the driving wheel and the tension wheel; the negative pressure air suction block is arranged above the paper conveying position of the paper conveying belt, and an air suction hole is formed in the paper conveying belt.

Optionally, the air suction mechanism further comprises a protecting sleeve and an air blowing block; the protecting sleeve is arranged on a transmission shaft outside the large air suction paper conveying assembly and the small air suction paper conveying assembly;

the air blowing block is arranged below the air suction large paper conveying assembly and the air suction small paper conveying assembly, and uppermost paper products of the paper stack close to the air suction large paper conveying assembly and the air suction small paper conveying assembly are blown loose through the air blowing block.

Optionally, the air blowing block is provided with a vertical air blowing surface and an inclined air blowing surface, and the included angle α between the vertical air blowing surface and the inclined air blowing surface is 160-170 degrees;

the vertical blowing surface is provided with a plurality of rows of blowing holes with the horizontal inclination angle of 5 degrees, and the inclined blowing surface is provided with at least two rows of blowing holes.

The paper conveying device comprises a feeding mechanism, a lifting mechanism, a limiting mechanism and an air suction mechanism, wherein the feeding mechanism pushes a paper stack to the lifting mechanism; the lifting mechanism receives the paper stack conveyed by the feeding mechanism and lifts the paper stack to the limiting mechanism.

The paper stack is conveyed to the lifting mechanism through the feeding mechanism, uninterrupted continuous feeding of the air suction mechanism is realized through the lifting mechanism, a first limiting plate and a second limiting plate of the limiting mechanism can move on the positioning rod, so that the limiting function of paper products with different sizes is realized, the air suction large paper conveying assembly and the air suction small paper conveying assembly of the air suction mechanism can realize conveying of paper products with different types, if the paper products belong to small and thin types, the paper products can be conveyed only by adopting the air suction small paper conveying assembly, and the paper products can be conveyed by adopting the air suction large paper conveying assembly along with the increase of the thickness and the size of the paper products; or the small air suction paper conveying assembly and the large air suction paper conveying assembly are adopted to convey paper products simultaneously, so that the problem that the type of the paper products conveyed by the traditional paper conveying device is single is solved.

Drawings

In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of an assembly structure of a paper feeding device;

FIG. 2 is a schematic structural view of a limiting mechanism of a paper feeding device;

FIG. 3 is a schematic view of an air suction mechanism of the paper feeding device;

FIG. 4 is a schematic view of a feeding mechanism of a paper feeding device;

FIG. 5 is a schematic diagram of a lifting mechanism of a paper feeding device;

FIG. 6 is a schematic view of a lower platform of a paper feeding device;

FIG. 7 is a schematic view of an upper platform of a paper feeding device;

FIG. 8 is a schematic view showing a structure of a backup board of a paper feeding device;

FIG. 9 is a schematic view of a large air-suction paper feeding assembly of the paper feeding apparatus;

FIG. 10 is a schematic view showing a position where a blower block of a sheet feeder is installed;

FIG. 11 is a schematic view of an overall structure of a blowing block of a paper feeding device;

FIG. 12 is a schematic plan view of a blowing block of a paper feeding device;

FIG. 13 is a schematic view showing a blowing hole structure of a blowing block of a sheet feeder;

illustration of the drawings:

wherein, 1-a feeding mechanism, 11-a paper leaning plate, 12-a stop lever, 13-a paper pushing frame, 14-a paper leaning plate support, 15-a sliding rod, 16-a fixed marker post, 17-a sliding fixed block, 18-a stack height sensor, 19-a roller, 2-a lifting mechanism, 21-a lower platform, 22-a first driving component, 23-a cross connection induction sheet, 24-an upper platform, 251-a first cross connection sensor, 252-a second cross connection sensor, 26-an inserted rod, 27-a second driving component, 28-an anti-collision sensor, 29-a damping component, 3-a limiting mechanism, 31-a marker rod, 32-a first positioning rod, 33-a first positioning rod, 34-a second limiting plate, 35-a paper pressing block and 36-a paper pressing wheel, 37-a distance sensor, 4-an air suction mechanism, 41-a paper conveying driving motor, 42-an air suction large paper conveying component, 421-a paper conveying belt, 422-a driving wheel, 423-a tension wheel, 424-a negative pressure air suction block, 425-an air suction hole, 43-an air suction small paper conveying component, 44-a hexagonal transmission shaft, 45-a protective sleeve, 46-an air blowing block, 461-a vertical air blowing surface and 462-an inclined air blowing surface.

Detailed Description

Referring to fig. 1, a schematic view of an assembly structure of a paper feeding device is shown.

Referring to fig. 2, a schematic structural diagram of a limiting mechanism of a paper feeding device is shown.

Referring to fig. 3, a schematic structural diagram of an air suction mechanism of the paper feeding device is shown.

The application provides a paper feeding device, including feed mechanism 1, elevating system 2, stop gear 3 and the mechanism 4 that induced drafts.

The feeding mechanism 1 pushes the paper stack to the lifting mechanism 2; the lifting mechanism 2 receives the paper stack conveyed by the feeding mechanism 1 and lifts the paper stack to the limiting mechanism 3.

The limiting mechanism 3 comprises a scale rod 31, a positioning rod 32, a first limiting plate 33 and a second limiting plate 34; the two ends of the scale rod 31 and the positioning rod 32 are arranged on the shell, and the first limiting plate 33 and the second limiting plate 34 are connected with the positioning rod 32 in a sliding manner; the scale rod 31 is used for recording the positions of the first limiting plate 33 and the second limiting plate 34.

The air suction mechanism 4 is arranged above the limiting mechanism 3 and comprises a driving motor 41, an air suction large paper conveying assembly 42, an air suction small paper conveying assembly 43 and a hexagonal transmission shaft 44; the output shaft of the driving motor 41 is connected with the air suction large paper conveying assembly 42; the large air suction paper conveying assembly 42 and the small air suction paper conveying assembly 43 are connected through the hexagonal transmission shaft 44; the large air suction paper conveying assembly 42 and the small air suction paper conveying assembly 43 are used for adsorbing and conveying paper products from the paper stack of the lifting mechanism page by page.

In the embodiment of the application, feed mechanism 1 is used for bearing the paper article, bears after the sufficient paper article, forms the paper article buttress (hereinafter referred to as the paper buttress for short), by cylinder drive feed mechanism 1 motion arrives the paper buttress propelling movement elevating system 2 is last, the paper buttress lifting that elevating system 2 will accept arrives stop gear 3 department.

Further, the limiting mechanism 3 comprises a scale rod 31 and a positioning rod 32, two ends of the scale rod 31 and two ends of the positioning rod 32 are fixed to a shell of the paper feeding device, and the scale rod 31 is used for recording the positions of the first limiting plate 33 and the second limiting plate 34 in the conveying process of different types (thickness or size) of paper products; the positions of the first limiting plate 33 and the second limiting plate 34 can move on the positioning rod 32 to meet the conveying requirements of different paper products.

Further, be provided with two position marker posts on the scale pole 31, the position marker post passes through knob swing joint scale pole 31, two position marker posts are used for the restriction respectively first limiting plate 33 with the position of second limiting plate 34, in the course of the work, fasten two position marker posts in preset position earlier, then will correspond first limiting plate 33 with second limiting plate 34 removes position marker post department and fixes.

Further, fastening devices are arranged on the first limiting plate 33 and the second limiting plate 34 to fix the first limiting plate 33 and the second limiting plate 34 on the positioning rod 32, and the fastening devices are in a bolt structure, but are not limited to a bolt structure, and may also be fastening devices of other structures, such as a clamp structure. After the bolts are loosened, the first limiting plate 33 and the second limiting plate 34 can move on the positioning rod 32, and after the first limiting plate 33 and the second limiting plate 34 reach a predetermined position, the bolts are screwed, so that the first limiting plate 33 and the second limiting plate 34 are fixed.

Further, the distance between the first limiting plate 33 and the second limiting plate 34 can be adjusted between 120mm and 500mm, so that paper conveying of 120mm to 500mm to 400mm can be achieved, and conveying of paper such as windowing, window pasting and special-shaped paper can be met.

In the embodiment of the application, the mechanism 4 that induced drafts sets up stop gear 3's top, including induced draft big paper feed subassembly 42 and the little paper feed subassembly 43 that induced drafts, driving motor 41 is fixed on paper feed device's casing, the transmission shaft that driving motor 41 output shaft drove passes through the bearing and fixes on the casing.

The output shaft of the driving motor 41 is connected with the large air suction paper conveying assembly 42 through a transmission shaft, and the large air suction paper conveying assembly 42 is connected with the small air suction paper conveying assembly 43 through the hexagonal transmission shaft 44. The suction mechanism 4 is not limited to be directly connected with the large suction paper feeding assembly 42, and the positions of the large suction paper feeding assembly 42 and the small suction paper feeding assembly 43 can be exchanged.

Further, the other side of the small air suction paper feeding assembly 43 is connected with the shell of the paper feeding device through a transmission shaft.

Furthermore, the large air suction paper conveying assembly 42 and the small air suction paper conveying assembly 43 are arranged to convey paper products with different thicknesses or sizes, and if the thickness or the size of the conveyed paper product is smaller, the small air suction paper conveying assembly 43 can only be adopted to work independently to finish the paper product conveying; if the thickness or the size of the conveyed paper product is larger, the air suction large paper conveying assembly 42 can be adopted to work alone to finish the paper product conveying, or the air suction large paper conveying assembly 42 and the air suction small paper conveying assembly 43 can work together to finish the paper product conveying.

The paper conveying device comprises a feeding mechanism 1, a lifting mechanism 2, a limiting mechanism 3 and an air suction mechanism 4, wherein the feeding mechanism 1 pushes a paper stack to the lifting mechanism 2; the lifting mechanism 2 receives the paper stack conveyed by the feeding mechanism 1 and lifts the paper stack to the limiting mechanism 3.

The paper stack is conveyed to the lifting mechanism 2 through the feeding mechanism 1, the lifting mechanism 2 realizes uninterrupted continuous feeding of the air suction mechanism 4, the first limiting plate 33 and the second limiting plate 34 of the limiting mechanism 3 can move on the positioning rod 32, so that the limiting function of paper products with different sizes is realized, the air suction large paper conveying assembly 42 and the air suction small paper conveying assembly 43 of the air suction mechanism 4 can realize conveying of paper products with different types, if the paper products belong to small and thin types, the paper products can be conveyed only by the air suction small paper conveying assembly 43, and along with the increase of the thickness and the size of the paper products, the paper products can be conveyed by the air suction large paper conveying assembly 42; or, the small air suction paper conveying assembly 43 and the large air suction paper conveying assembly 42 are adopted to convey paper products simultaneously, so that the problem that the type of the paper products conveyed by the traditional paper conveying device is single is solved.

In the paper feeding device provided by the present application, the limiting mechanism 3 further comprises a paper pressing block 35, a paper pressing wheel 36 and a distance sensor 37.

The first limiting plate 33 and the second limiting plate 34 are respectively connected with a paper pressing block 35, the paper pressing wheel 36 is connected with the positioning rod 32, the paper pressing block 35 and the paper pressing wheel 36 are both located between the first limiting plate 33 and the second limiting plate 34 to press the paper on the top layer of the paper stack.

The distance sensor 37 is provided on the scale bar 31 to detect the distance of the sheet stack to the distance sensor 37.

In this application embodiment first limiting plate 33 with set up a pressure paper piece 35 on the second limiting plate 34 respectively, press paper piece 35 to be located the paper buttress top, prevent that paper buttress top paper article from scattering or landing, press paper wheel 36 to compare press paper piece 35 to be closer to locating lever 32 guarantees when carrying less paper, still can push down paper buttress top paper article, realizes the stability of defeated paper process.

Further, the scale rod 31 is further provided with a distance sensor 37, the distance sensor 37 is connected with the scale rod 31 through a rod piece, and the rod piece can slide on the scale rod 31 to ensure that the distance sensor 37 is always positioned above the conveyed paper stack in the conveying process of different types of paper products. Distance sensor 37 is arranged in the paper buttress transportation process, detects paper buttress the superiors paper article extremely distance sensor 37's height, in order to guarantee elevating system 2 adjusts the height of paper buttress in real time.

Fig. 4 is a schematic structural view of a feeding mechanism of a paper feeding device.

According to the paper conveying device, the feeding mechanism 1 comprises a paper leaning plate 11, a blocking rod 12 and a paper pushing frame 13; the paper leaning plate 11 is vertically arranged on the paper pushing frame 13, and the paper leaning surface of the paper leaning plate 11 is parallel to the pushing direction of the paper pushing frame 13; the stop lever 12 is vertically arranged on the paper pushing frame 13.

In the embodiment of the application, during the paper article material loading, the paper article is placed push away on the paper frame 13 push away and be provided with by cardboard 11 on the paper frame 13, lean on cardboard 11 perpendicular to push away paper frame 13, on the paper buttress impels the reverse direction, the end that pushes away paper frame 13 sets up perpendicularly shelves pole 12, the paper buttress one side paste tightly lean on cardboard 11, adjacent another side paste tightly shelves pole 12, through by cardboard 11 with the combination of shelves pole 12 guarantees that the paper buttress arrives with predetermined direction and angle propelling movement on the elevating system 2.

Referring to fig. 5, a schematic view of a structure of a paper backing plate of a paper feeding device is shown.

In the paper feeding device provided by the application, the feeding mechanism 1 further comprises a paper backing plate support 14, a sliding rod 15, a fixed mark rod 16, a sliding fixed block 17 and a stack height sensor 18.

The paper backing plate 11 is connected with the paper backing plate bracket 14 through the sliding rod 15, and the sliding rod 15 is fixed with the paper backing plate bracket 14 through the fixing mark post 16; the paper leaning plate support 14 is connected with the paper pushing frame 13 through the sliding fixing block 17.

The stack height sensor 18 is provided on the paper rest 11 to detect the height of the paper stack.

In the embodiment of the present application, the directions of the front, the back, the left, and the right will be described below, where the pushing direction of the paper pushing frame 13 is the front, the reverse direction is the back, and the direction perpendicular to the pushing direction is the left and the right, the paper backing plate 11 is connected to the paper backing plate support 14 through the sliding rod 15, so that the paper backing plate 11 can move in the left and the right directions, and the position of the paper backing plate 11 in the left and the right directions is recorded and fixed by the fixing mark bar 16.

Further, lean on cardboard support 14 to pass through slip fixed block 17 is connected push away paper frame 13, through slip fixed block 17 realizes lean on the fore-and-aft direction position of cardboard 11, in order to guarantee lean on the forefront of cardboard advancing direction and the forefront of paper buttress unanimous, through the adjustment lean on the position of cardboard 11, carry out the material loading with the paper article that adapts to different sizes.

Further, the stack height sensor 18 is arranged on the paper leaning plate 11, the height of the paper stack is detected through the stack height sensor 18, when the height of the paper stack reaches a preset value, feeding is stopped, and the paper stack is pushed to the lifting mechanism 2 through the feeding mechanism 1.

In the paper feeding device provided by the application, the feeding mechanism 1 further comprises a roller 19; the roller 19 is arranged at the bottom of the feeding mechanism 1 to support the feeding mechanism 1.

In the embodiment of the present application, the roller 19 is disposed at the bottom of the feeding structure 1, but the roller structure is not limited to be adopted, and other supporting structures, such as a fixed foot disc structure, may also be adopted. Set up gyro wheel 19 can be convenient the removal is controlled to feed structure 1 to in the adjustment carry the position about the paper buttress, better carry the paper buttress the suitable position of 4 below of mechanism of induced drafting be provided with dead-locking structure on gyro wheel 19, when not needing when gyro wheel 19 removes, just have dead-locking structure will gyro wheel 19 locks, guarantees feed structure 1's stability.

Fig. 6 is a schematic structural view of a lifting mechanism of a paper feeding device.

Fig. 7 is a schematic view of a lower platform structure of the paper feeding device.

Fig. 8 is a schematic view of an upper platform structure of the paper feeding device.

In the paper feeding device provided by the present application, the lifting mechanism 2 includes a lower platform 21, a first driving assembly 22, a cross-over sensing piece 23, an upper platform 24, a first cross-over sensor 251, a second cross-over sensor 252, an insertion rod 26 and a second driving assembly 27.

The first driving assembly 22 is connected with the lower platform 21 through a transmission mechanism, and the lower platform 21 is provided with the connecting induction sheet 23; the second driving assembly 27 is connected to the upper platform 24 through a transmission mechanism, and the first interface sensor 251, the second interface sensor 252 and the plunger 26 are disposed on the upper platform 24.

After the lower platform 21 receives the paper stack pushed by the feeding mechanism 1, the first driving component 22 drives the lower platform 21 to ascend, and the paper stack is transferred to the upper platform 24 through the inserted link 26; the upper platform 24 receives the paper stack through the inserting rod 26 and conveys the paper stack to the limiting mechanism 3; the first cross sensor 251 is used for sensing the paper stack and the cross sensing piece 23, and the second cross sensor 252 is used for sensing the lower platform 21.

In the embodiment of the present application, the first driving component 22 and the second driving component 27 are disposed on a casing of a paper feeding device, the lower platform 21 and the upper platform 24 are connected to the casing of the paper feeding device through a sliding rail, the first driving component 22 is connected to the lower platform 21 through a transmission mechanism, and the second driving component 27 is connected to the upper platform 24 through a transmission mechanism.

Further, after the lower platform 21 receives the paper stack pushed by the feeding mechanism 1, the first driving component 22 drives the lower platform 21 to rapidly ascend.

Further, the upper platform 24 is provided with the first handover sensor 251 and the second handover sensor 252, in the ascending process of the lower platform 21, after the first handover sensor 251 senses the uppermost paper product of the paper stack, the inserting rod 26 retracts, and after the first handover sensor 251 senses the handover sensing piece 23, the lower platform 21 reduces the ascending speed and starts to ascend slowly. In the process that the lower platform 21 slowly rises, the uppermost layer of the paper stack contacts the paper pressing block 35, and the paper stack is ensured to be in the paper conveying working area of the negative pressure air suction mechanism 4 through the limiting mechanism 3.

During the process that the lower platform 21 starts to ascend slowly, the second driving assembly 27 drives the upper platform 24 to descend slowly to the paper stack delivery position, and waits for the lowest layer of the paper stack to reach the delivery position. When the second transfer sensor 252 senses the lower platform 24, the lower platform 21 reaches the sheet stack transfer position. The inserted bar 26 of the upper platform 24 extends out under the driving of the cylinder, the inserted bar 26 carries the paper stack, and the second driving component 27 drives the upper platform 24 to slowly rise to drive the paper stack to continuously rise, so that the uninterrupted paper conveying work is completed.

After the paper buttress handing-over is accomplished, platform 21 descends the lowest position fast down, accepts follow-up paper buttress to the quick lifting of follow-up paper buttress that will accept, works as go up platform 24 after first handing-over sensor 251 senses the topmost paper product of follow-up paper buttress, platform 21 slowly rises down, inserted bar 26 retracts back, and by platform 21 accepts surplus paper buttress down, accomplishes paper buttress transport work. And continuous uninterrupted paper supply of the negative pressure air suction mechanism 4 is realized through the action of the lifting mechanism 2.

The setting of the handing-over position needs to be determined according to actual conditions, and the set principle is to ensure that the height of the paper stack to be conveyed is minimum on the premise of ensuring the whole paper conveying process to be continuous and uninterrupted. That is, the remaining paper stacks after the handover are completed need to satisfy the paper conveying work before the arrival of the subsequent paper stacks.

Further, in order to ensure the lifting stability of the lower platform 21 and the upper platform 24, the transmission shaft of the first driving assembly 22 drives the belts on both sides to complete the lifting of the lower platform 21 through a 90-degree conversion box structure.

And the transmission shaft of the second driving assembly 2 drives the belts on two sides to complete the lifting of the upper platform 24 through a 90-degree conversion box structure.

In the paper feeding device provided by the present application, the upper platform 24 is further provided with an anti-collision sensor 28 and a damping assembly 29.

During lowering of the upper deck 24, the collision avoidance sensor 28 detects the position of the stack of sheets to prevent the upper deck 24 from colliding with the stack of sheets.

During the retraction of the plunger 26, the shock absorbing assembly 29 dampens the shock of the retraction of the plunger 26 to ensure smooth operation of the upper platform 24.

In the embodiment of the present application, the anti-collision sensor 28 is disposed on one side of the insertion rod 26 of the upper platform 24, and detects the position of the paper stack when the lower platform 21 lifts the paper stack or the lower platform 24 descends, so as to prevent the paper stack from colliding with the upper platform 24 due to the inclination of the paper stack or other reasons.

Further, still be provided with on the upper platform 24 damping component 29, in order to guarantee that the paper pile is in upper platform 24 with the steady handing-over between the lower platform 21, the action of retracting of inserted bar 26 is very fast, in order to avoid the vibrations of the action of retracting of inserted bar 26, arouses the not steady of upper platform 24 operation, alleviates the vibrations of the action of retracting of inserted bar 26 through damping component 29.

Fig. 9 is a schematic structural view of a large air suction paper feeding assembly of the paper feeding device.

In the paper feeding device provided by the present application, the large air suction paper feeding assembly 42 includes a paper feeding belt 421, a driving wheel 422, a tension wheel 423 and a negative pressure air suction block 424.

The paper conveying belt 421 is sleeved on the driving wheel 422 and the tension wheel 423; the negative pressure air suction block 424 is arranged above the paper conveying position of the paper conveying belt 421, and an air suction hole 425 is formed in the paper conveying belt 421.

In the embodiment of the present application, the internal structures of the large air suction paper feeding assembly 42 and the small air suction paper feeding assembly 43 are the same, and the difference is that the sizes of the two assemblies are different from each other and the air suction power is different, and the size of the large air suction paper feeding assembly 42 and the air suction power range are larger.

Further, the paper conveying belt 421 is sleeved on the driving wheel 422 and the tension wheel 423, the paper conveying belt 421 is tensioned by the tension wheel 423, and the driving wheel 422 drives the paper conveying belt 421 to move.

Further, defeated paper tape 421 takes to be provided with induced draft hole 425, negative pressure block 424 that induced drafts sets up defeated paper tape 421 the top of paper position, negative pressure block 424 that induced drafts sees through induced draft hole 425 induced draft defeated paper tape 421 defeated paper position of paper forms the negative pressure, adsorbs the paper article defeated paper tape 421 surface, and the paper article is carried along defeated paper tape 421, adopts the negative pressure mode of induced drafting to carry the paper article, can avoid the transportation process can not produce the paper article fish tail problem.

Further, defeated paper tape 421 is the belt, but is not limited to the belt, still can be for the conveyer belt of other materials, adopts the belt as defeated paper tape 421, can conveniently set up the hole of induced drafting on defeated paper tape 421, and the belt surface is level and smooth, and the adhesive force is great, and is difficult to cause the scratch of paper article.

Referring to fig. 10, a schematic diagram of an installation position of the blowing block of the paper feeding device is shown.

In the paper feeding apparatus provided by the present application, the air suction mechanism 4 further includes a protecting sleeve 45 and an air blowing block 46.

The protecting sleeve 45 is arranged on the transmission shaft outside the air suction large paper conveying assembly 42 and the air suction small paper conveying assembly 43.

The air blowing block 46 is arranged below the large air suction paper conveying assembly 42 and the small air suction paper conveying assembly 43, and uppermost paper products of the paper stack close to the large air suction paper conveying assembly 42 and the small air suction paper conveying assembly 43 are blown loose through the air blowing block 46.

In the embodiment of the application, the piece 45 that blows sets up induced draft big paper feed subassembly 42 with induced draft the below of little paper feed subassembly 43, in order to guarantee the effect of blowing, can set up a plurality of places and blow piece 45, through blow 45 and blow to paper buttress upper strata edge, blow off 5 ~ 8 paper article in paper buttress the superiors, guarantee the paper effect of inhaling of the mechanism 4 that induced drafts of negative pressure is better, avoids adsorbing many paper articles simultaneously.

Furthermore, the air blowing block 45 slightly tilts the paper side at the air blowing position, and the paper pressing block 35 and the paper pressing wheel 36 arranged at the uppermost end of the paper can prevent the paper from scattering.

Further, the hexagonal transmission shaft 44 is arranged between the large air suction paper conveying assembly 42 and the small air suction paper conveying assembly 43, the protection sleeve 45 is arranged on the transmission shaft outside the large air suction paper conveying assembly 42 and the small air suction paper conveying assembly 43, on one hand, the protection sleeve 45 keeps the transmission shaft clean, and the pollution and corrosion of the protection sleeve 45 are reduced; on the other hand, the transmission shaft is prevented from being involved in sundries or causing accidental injury to operators.

Further, the protecting sleeve 45 is a spiral protecting sleeve, but the spiral protecting sleeve is not limited to the spiral protecting sleeve, and the protecting mechanism with other structures can also be used. The spiral protective sleeve can be sleeved and removed under the condition that the transmission shaft is not detached, so that the transmission shaft can be conveniently overhauled or cleaned.

Referring to fig. 11, a schematic view of an overall structure of a blowing block of a paper feeding device is shown.

Referring to fig. 12, a schematic diagram of a plane structure of a blowing block of a paper feeding device is shown.

Referring to fig. 13, a schematic view of a blowing hole structure of a blowing block of a paper feeding device is shown.

According to the paper conveying device, the air blowing block 46 is provided with a vertical air blowing surface 461 and an inclined air blowing surface 462, and an included angle α between the vertical air blowing surface 461 and the inclined air blowing surface 462 is 160-170 degrees.

The vertical blowing surface 461 is provided with a plurality of rows of blowing holes with a horizontal inclination angle of 5 degrees, and the inclined blowing surface 462 is provided with at least two rows of blowing holes.

In the embodiment of the present application, the horizontal inclination angle of the multiple rows of blowing holes on the vertical blowing surface 461 is 0-10 °, preferably 5 °, and 5-8 sheets of paper on the uppermost layer of the paper stack are blown loose through the blowing holes with the horizontal inclination angle of 0-10 °, so as to ensure that 5-8 sheets of paper on the uppermost layer of the paper stack are loose in the paper feeding process of the lifting mechanism 2.

Furthermore, the included angle α between the inclined blowing surface 462 and the vertical blowing surface 461 is 160-170 degrees, preferably 165 degrees, the blowing holes on the inclined blowing surface 461 blow loose 2-3 paper on the topmost layer of the paper stack, so that the 2-3 paper on the topmost layer of the paper stack are guaranteed to be loose in the paper feeding process of the lifting mechanism 2.

Furthermore, the air outlet of the air blowing port is horn-shaped, air beams blown out from the horn-shaped air blowing port are crossed, the air blowing strength of the center of the air beams is enhanced, and the area with concentrated wind power is aligned to the paper stack. The blowing intensity of the blowing opening can be correspondingly adjusted according to the thickness and the size of the paper product.

The paper conveying device comprises a feeding mechanism 1, a lifting mechanism 2, a limiting mechanism 3 and an air suction mechanism 4, wherein the feeding mechanism 1 pushes paper products to the lifting mechanism 2; the lifting mechanism 2 receives the paper products conveyed by the feeding mechanism 1 and lifts the paper products to the limiting mechanism 3.

The embodiments provided in the present application can be referred to each other, and the specific embodiments provided above are only a few examples of the general concept of the present application and do not limit the scope of the present application. Any other embodiments extended according to the scheme of the present application without inventive efforts will be within the scope of protection of the present application for a person skilled in the art.

Claims

1. A paper conveying device is characterized by comprising a feeding mechanism (1), a lifting mechanism (2), a limiting mechanism (3) and an air suction mechanism (4);

the feeding mechanism (1) pushes the paper stack to the lifting mechanism (2); the lifting mechanism (2) receives the paper stack conveyed by the feeding mechanism (1) and lifts the paper stack to the limiting mechanism (3);

the limiting mechanism (3) comprises a scale rod (31), a positioning rod (32), a first limiting plate (33) and a second limiting plate (34); the two ends of the scale rod (31) and the positioning rod (32) are arranged on the shell, and the first limiting plate (33) and the second limiting plate (34) are connected with the positioning rod (32) in a sliding mode; the scale rod (31) is used for recording the positions of the first limiting plate (33) and the second limiting plate (34);

the air suction mechanism (4) is arranged above the limiting mechanism (3) and is connected with a shell of the paper conveying device, and the air suction mechanism (4) comprises a driving motor (41), a large air suction paper conveying assembly (42), a small air suction paper conveying assembly (43) and a hexagonal transmission shaft (44); an output shaft of the driving motor (41) is connected with the large air suction paper conveying assembly (42); the air suction large paper conveying assembly (42) is connected with the air suction small paper conveying assembly (43) through the hexagonal transmission shaft (44); the large air suction paper conveying assembly (42) and the small air suction paper conveying assembly (43) are used for adsorbing and conveying paper products from the lifting mechanism page by page.

2. The paper feeding device according to claim 1, wherein the limiting mechanism (3) further comprises a paper pressing block (35), a paper pressing wheel (36) and a distance sensor (37);

the first limiting plate (33) and the second limiting plate (34) are respectively connected with a paper pressing block (35), the paper pressing wheel (36) is connected with the positioning rod (32), and the paper pressing block (35) and the paper pressing wheel (36) are both positioned between the first limiting plate (33) and the second limiting plate (34) so as to press paper products on the uppermost layer of the paper stack;

the distance sensor (37) is provided on the scale bar (31) to detect a distance from the sheet stack to the distance sensor (37).

3. The paper feeding device according to claim 1, wherein the feeding mechanism (1) comprises a paper leaning plate (11), a stop lever (12) and a paper pushing frame (13); the paper leaning plate (11) is vertically arranged on the paper pushing frame (13), and the paper leaning surface of the paper leaning plate (11) is parallel to the pushing direction of the paper pushing frame (13); the stop lever (12) is vertically arranged on the paper pushing frame (13).

4. The paper feeding device according to claim 3, wherein the feeding mechanism (1) further comprises a paper leaning plate bracket (14), a sliding rod (15), a fixed marker post (16), a sliding fixed block (17) and a stack height sensor (18);

the paper leaning plate (11) is connected with the paper leaning plate bracket (14) through the sliding rod (15), and the sliding rod (15) is fixed with the paper leaning plate bracket (14) through the fixing mark rod (16); the paper leaning plate bracket (14) is connected with the paper pushing frame (13) through the sliding fixing block (17);

the stack height sensor (18) is provided on the sheet support plate (11) to detect the height of the stack of sheets.

5. The paper feed device according to claim 3, characterized in that the feeding mechanism (1) further comprises a roller (19);

the roller (19) is arranged at the bottom of the feeding mechanism (1) to support the feeding mechanism (1).

6. The paper feeding device according to claim 1, wherein the lifting mechanism (2) comprises a lower platform (21), a first driving assembly (22), a cross sensing piece (23), an upper platform (24), a first cross sensor (251), a second cross sensor (252), an insertion rod (26) and a second driving assembly (27);

the first driving assembly (22) is connected with the lower platform (21) through a transmission mechanism, and the lower platform (21) is provided with the connecting induction sheet (23); the second driving assembly (27) is connected with the upper platform (24) through a transmission mechanism, and the first cross-over sensor (251), the second cross-over sensor (252) and the inserted rod (26) are arranged on the upper platform (24);

after the lower platform (21) receives the paper stack pushed by the feeding mechanism (1), the first driving assembly (22) drives the lower platform (21) to ascend, and the paper stack is transferred to the upper platform (24) through the inserting rod (26); the upper platform (24) receives the paper stack through the inserted link (26) and conveys the paper stack to the limiting mechanism (3); the first cross sensor (251) is used for sensing the paper stack and the cross sensing piece (23), and the second cross sensor (252) is used for sensing the lower platform (21).

7. The paper feeding device according to claim 6, characterized in that an anti-collision sensor (28) and a shock-absorbing assembly (29) are further arranged on the upper platform (24);

-during the lowering of the upper platform (24), the anti-collision sensor (28) detects the position of the stack of sheets to prevent the upper platform (24) from colliding with the stack of sheets;

during the retraction process of the insert rod (26), the shock absorption assembly (29) relieves the shock of the retraction action of the insert rod (26) so as to ensure the smooth operation of the upper platform (24).

8. The paper feeding device according to claim 1, wherein the large air suction paper feeding assembly (42) comprises a paper feeding belt (421), a driving wheel (422), a tension wheel (423) and a negative pressure air suction block (424);

the paper conveying belt (421) is sleeved on the driving wheel (422) and the tension wheel (423); the negative pressure air suction block (424) is arranged above the paper conveying position of the paper conveying belt (421), and an air suction hole (425) is formed in the paper conveying belt (421).

9. The paper feeding device according to claim 1, wherein the air suction mechanism (4) further comprises a protecting jacket (45) and a blowing block (46);

the protecting sleeve (45) is arranged on a transmission shaft on the outer side of the air suction large paper conveying assembly (42) and the outer side of the air suction small paper conveying assembly (43);

the air blowing block (46) is arranged below the air suction large paper conveying assembly (42) and the air suction small paper conveying assembly (43), and uppermost paper products of a paper stack of the air suction large paper conveying assembly (42) and the air suction small paper conveying assembly (43) are blown loose through the air blowing block (46).

10. The paper feeding device according to claim 9, wherein the blowing block (46) is provided with a vertical blowing surface (461) and an inclined blowing surface (462), and an included angle α between the vertical blowing surface (461) and the inclined blowing surface (462) is 160-170 degrees;

the vertical blowing surface (461) is provided with a plurality of rows of blowing holes with the horizontal inclination angle of 5 degrees, and the inclined blowing surface (462) is provided with at least two rows of blowing holes.