JP2586380Y2 - Article supply device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an article supply apparatus, and more particularly to an article supply apparatus suitable for reversing and supplying a bottle with a head dome formed by a bottle forming machine to a bottle head processing machine. Related to the device.

[0002]

2. Description of the Related Art Conventionally, an article supply apparatus has been disclosed in
There is one described in 67817. In this conventional technique, an article is inverted by a twist chute, and the article is intermittently supplied to a bucket conveyor by opening and closing a shutter provided on the exit side of the chute, so that the article can be supplied to the next step. is there.

As an article supply apparatus, Japanese Patent Application Laid-Open No. 53-146
There is one described in JP-A-379. In this conventional technique, a burr of a specific shape is provided on the surface of a molded product, and the posture of the molded product can be maintained in a fixed direction by using a posture control device using the burr shape, and the molded product can be supplied to the next process. It is assumed that.

[0004]

[Problem to be solved by the present invention]
In the prior art described in JP-167817, it is necessary to change the shape of the twist chute, shutter, and bucket conveyor (change of the supply line) in accordance with the change of the shape of the article. Requires difficult work.

In the prior art described in Japanese Patent Application Laid-Open No. 53-146379, the attitude control device is changed in shape (by changing the shape of the supply line) in accordance with the change in the burr shape given along with the change in the shape of the molded product. ), Which requires a great deal of time and difficult work.

SUMMARY OF THE INVENTION It is an object of the present invention to improve the changeability of a supply line due to a change in the shape of an article, to shorten the time required for changing the shape, and to facilitate the changing operation.

[0007]

According to a first aspect of the present invention, there is provided an article supply apparatus for feeding an article in a reversed state, wherein a pair of conveyors with elastic grippers are moved from an article delivery position to an article discharge position. Turned in the vertical direction, in the article transporting process of gripping the article between the gripper of the pair of conveyors,
An article reversing / conveying device capable of reversing the posture of the article, and receiving the articles discharged from the article reversing / conveying device
Two or more types of supply paths for supplying the article to the downstream side while maintaining the posture of the article are arranged side by side for each article size, and each supply path is selectively switched to a work position connected to the article discharge position of the article reversing and conveying device. It can be set , and each supply path is an article reversal conveyance device
Are distributed alternately by the distribution damper
An article supply path switching device including a pair of left and right supply guides is provided .

According to a second aspect of the present invention, in the first aspect of the present invention, the article reversing and conveying apparatus further includes a conveyor interval adjusting device capable of adjusting the interval between the pair of conveyors. It was done.

According to a third aspect of the present invention, in the first or second aspect of the present invention, the article reversing / conveying device reverses the head of the article from the upper part to the lower part, and the supply route is The head is held at a lower position so that the article can be supplied to a downstream article head processing machine.

[0010]

According to the first aspect of the present invention, the following:
There is action. Since the article reversing and conveying device is provided with an elastic gripper on a pair of turn-shaped conveyors and grips both sides of the article with the elastic gripper, a certain amount of change in the article size can be elastically gripped without changing the type. The article can be inverted and conveyed while being absorbed by the elastic deformation of the tool. The article supply path switching device responds to changes in article size.
Feed paths from their standby position
Can be easily changed by simply switching to the working position.
can do. Each of the above supply paths was received from the article reversal conveyance device
Items are distributed alternately by the distribution damper.
Since supply guides are provided, supply guides on the left and right of each supply path
Can supply two articles in parallel downstream from
For example, in the article processing machine on the downstream side of this supply path
Two articles are supplied in parallel and the two articles are simultaneously
Processing can improve the productivity of the line.

[0011]According to the invention of claim 2,
There is action. In the above, the change amount of the article size is
If it exceeds the range of elastic change of the elastic gripper,
For example, by operating the handle of the distance adjusting device, the conveyor
The distance can be adjusted, and the mold can be easily changed.

[0012]

[0013]According to the invention described in the claims,
There is action. To supply articles to the article head processing machine
At the time, the head is turned to the lower side by the article reversal conveyance device.
The obtained article is held in an attitude by the supply path,
It can be supplied to the part processing machine. Therefore, the article is head lower
For example, cut and trim with an article head processing machine
To prevent chips from entering the product
it can.

[0014]

1 is a front view showing a bottle supply line to a bottle processing machine, FIG. 2 is a plan view of FIG. 1, FIG. 3 is a side view of FIG. 1, and FIG. FIG. 5 is a front view showing a bottle supply device, FIG. 6 is a side view of FIG. 5, FIG. 7 is a schematic diagram showing a conveyor interval adjusting device, and FIG. 8 is a schematic diagram showing a conveyor driving device. 9 is a schematic diagram showing a forced discharge device, FIG. 10 is a schematic diagram showing a supply path unit, FIG. 11 is a plan view showing a bottle processing machine, FIG. 12 is a front view of FIG. 11, and FIG. 13 shows a bottle unloading device. FIG. 14 is a plan view, FIG. 14 is a side view of FIG. 13, and FIG.
3 is a front view, FIG. 16 is a schematic diagram showing a processing procedure of the bottle processing machine, FIG. 17 is a flowchart showing an example of a trouble recovery procedure of the bottle processing line, and FIG. FIG. 19 is a flowchart showing another example, and FIG. 19 is a control circuit diagram.

The bottle processing line 10 includes a bottle 1 with a head dome formed by a bottle forming machine (not shown).
A bottle is supplied to a bottle processing machine 12 through a bottle supply line 11 (see FIGS. 1 to 3). Then, the bottle processing line 10 cuts the dome 1A of the bottle 1 by the processing machine 12, trims the mouth 1B formed by the cut, and then discharges the dome 1A from the bottle discharge line 13 to the subsequent process (FIG. 4). reference).

(1) However, the bottle supply line 11 includes a bottle reversing and conveying device 15, a bottle supply unit 16,
Bottle supply unit switching device 17 (supply route switching device)
Are as follows.

(1-1) Bottle reversing and conveying device 15 As shown in FIGS. 1 to 3, the bottle reversing and conveying device 15 includes a pair of left and right support brackets 21A and 21B provided on a support base 19A of a gantry 19. Conveyor with elastic gripper 2
2, 22 are supported. Conveyor with elastic gripper 22
Are vertically arranged from the bottle delivery position connected to the upstream conveyor 23 on the bottle forming machine side to the bottle discharge position connected to the bottle supply unit 16. The conveyor 22 is connected to a pulley 26 connected to a motor 24 mounted on a gantry 19 via a flexible shaft 25, and an endless pulley 27 that is engaged with a pulley 27 that is supported by the support brackets 21A and 21B. Link base 2
2A, a base plate 22B is connected to the link base 22A, and three grips 22C made of a synthetic rubber (elastomer) sheet are attached to one base plate 22B.
Has been planted. Thereby, the bottle reversing transport device 15
Can hold the bottle 1 sent from the upstream conveyor 23 under the drive of the motor 24 by the gripper 2 of the pair of conveyors 22.
The bottle 1 is received and gripped between 2C, and the posture of the bottle 1 is reversed during the bottle conveyance process. That is, bottle 1 is dome 1
A is inverted from upper to lower (see FIG. 1). Note that the holding tool 22C may be formed of a brush.

At this time, the bottle reversing and conveying device 15 includes a conveyor interval adjusting device 28 that can adjust the interval between the pair of conveyors 22 with elastic grippers. As shown in FIG. 7, the conveyor interval adjusting device 28 is configured to transmit the rotation of the operation shaft 29 driven by the type change handle 30 to the screw shaft 32 via the gear box 31, and provided on the screw shaft 32. A support bracket 21A of one conveyor 22 is screwed into a certain left screw 32A, and a support bracket 21B of the other conveyor 22 is screwed into a right screw 32B provided on the screw shaft 32.
Are screwed together. Therefore, the handle 30
When the screw shaft 32 is rotated by the operation described above, the two support brackets 21A and 21B move in opposition, the distance between the conveyors can be reduced by the approach movement thereof, and the distance between the conveyors can be increased by the separation movement thereof.

The drive motor 24 of the conveyor 22 is
As shown in FIG.
Right and left timing belts 35A, 3A
5B, the left and right gearboxes 36A, 36B, and the left and right flexible shafts 25, 25, the left and right pulleys 26, 26 are driven to drive the left and right pulleys 26, 26 as described above. The pair of conveyors 22, 22 can be driven.

In the present invention, the bottle forming machine forms and discharges three bottles 1 at the same time.
The three bottles 1 are delivered to the bottle reversing and conveying device 15 so as to be put together. Therefore, the bottle reversing and conveying device 1
5 collectively transports the three bottles 1 together as shown in FIG.
An empty conveyance space S is formed between the group and the succeeding three bottles 1 group (see FIG. 5).

(1-2) Bottle Supply Unit 16 and Bottle Supply Unit Switching Device 17 The bottle supply unit 16 and the bottle supply unit switching device 17 are located between the bottle discharge position of the bottle reversing and conveying device 15 and the bottle processing machine 12. Are located.

The bottle supply unit switching device 17 supports a revolving bracket 42 about a support post 41 so as to be horizontally rotatable. The turning bracket 42 is attached to the support post 41.
It can rotate on the flange 41A fixed around and is fixed to the flange 41A by the lock bolt 43. That is,
The turning bracket 42 can be horizontally rotated manually or electrically by a driving device (not shown) in a state where the lock bolt 43 is unlocked, and the position after the rotation can be locked by the lock bolt 43.

The pivot bracket 42 has two support arms 44 extending on both sides of the support post 41 in the diametrical direction.
The first support arm 44 includes a first bottle supply unit 16A, and the other support arm 44 includes a second bottle supply unit 16B. Both bottle supply units 16A and 16B correspond to each of the two types of bottle sizes and control the attitude of the bottle 1 discharged from the bottle reversing and conveying device 15. That is, the bottle supply unit switching device 17 causes the bottle supply unit 16 (16A or 1A) adapted to the size of the bottle 1 discharged by the bottle reversing and conveying device 15 by the horizontal rotation of the turning bracket 42.
6B) is alternately switched from the standby position to the work position connected to the bottle discharge position of the bottle reversing and conveying device 15. Accordingly, the bottle supply units 16A and 16B control the posture of the bottle 1 supplied by reversing the dome 1A from the upper position to the lower position by the bottle reversing and conveying device 15 and holding the dome 1A of the bottle 1 at the lower position. The controlled bottle 1 can be supplied to the downstream bottle processing machine 12.

At this time, in this embodiment, a pair of left and right supply guides 45, 45 is provided in each of the first and second bottle supply units 16A, 16B. Is provided with a distribution damper 46. The distribution damper 46 is oscillated by the cylinder 47, and alternately switches the falling course of the bottle 1 supplied from the bottle reversing and conveying device 15 toward the left and right supply guides 45.

The switching operation of the distribution damper 46 is performed by the control device 49 to which the output of the first bottle sensor 48 provided on the output side of the bottle reversing and conveying device 15 is transferred. That is, the control device 49 determines that the first bottle sensor 48 detects the empty transport space S in the bottle reversal transport device 15.
During the idle transport time T, the cylinder 47 is operated to switch and set the distribution damper 46, and three bottles 1 are equally distributed to each of the left and right supply guides 45. It should be noted that the pair of supply guides 45 on the left and right means that the bottle processing machine 1
No. 2 corresponds to the fact that two bottles 1 are simultaneously processed as described later, and this is for improving the productivity of the line.

In addition, a first stopper 51 and a second stopper 52 can be moved forward and backward at fixed upper and lower positions of each supply guide 45 at two lower positions. Each stopper 51,
52 is driven by cylinders 53 and 54 to open and close the bottle passage path of each supply guide 45. A bottle confirmation sensor 55 is provided between the first stopper 51 and the second stopper 52 of each supply guide 45. The opening and closing operation of the stoppers 51 and 52 is performed by the control device 49 to which the output of the bottle confirmation sensor 55 is transferred. That is,
(A) When the bottle confirmation sensor 55 is turned on (the bottle 1 is enrolled), the controller 49 closes the first stopper 51 by operating the cylinder 53 and opens the second stopper 52 by operating the cylinder 54 (however, It is assumed that the rotation table 72 of the processing machine 12 must be stopped), and the bottle 1 is supplied to the bottle processing machine 12. (B) Bottle confirmation sensor 55
Is turned off (the bottle 1 is absent), the cylinder 54 is closed to close the second stopper 52, the cylinder 53 is opened to open the first stopper 51, and the bottle 1 is introduced below the first stopper 51 to wait. Let me know. The first and second bottle supply units 16A, 16B drive their stoppers 51, 52 synchronously with each other so that two bottles 1 can be supplied simultaneously.

Each bottle supply unit 16A, 16B
As shown in FIG. 10, the supply guide 45 is provided with support screws 57 at a plurality of circumferential positions (eight positions) of an annular frame 56 integrated with the support arm 44 so as to be position-adjustable. The middle part of the guide rod 58 is joined and integrated with the inner end, and the contour L connecting the adjacent guide rods 58 in the cross section of the supply guide 45 can be set so as to match the outer shape of the bottle 1. Is done. That is, the L ₁ is adapted to the bottle 1 of the outer size in the first bottle feeding unit 16A, is set in advance so that the L ₂ of the second bottle feeding unit 16B is adapted to the bottle 1 other external size It is.

(2) Next, at the forced discharge points K ₁ and K ₂ defined on the entrance side of the distribution damper 46 of the first and second bottle supply units 16A and 16B, the respective bottle supply units 16A and 16B 16B corresponding to each of the forced discharge devices 60
Is installed. The forced discharge device 60 includes a normal outlet 62 and an abnormal outlet 63 at the bottom of the bottle receiving duct 61 which is opened immediately below the bottle discharge position of the bottle reversing and conveying device 15.
The discharge damper 64 is swingably supported around the forced discharge points K ₁ and K ₂ defined at the boundary between the outlets 62 and 63, and the discharge damper 64 is swung by the rotary cylinder 65. The passing course of the bottle 1 received from the bottle reversing and conveying device 15 is changed to the normal outlet 62 and the abnormal outlet 63.
Switch to one of The normal outlet 62 is connected to the supply guide 45 of each of the bottle supply units 16A and 16B, and the abnormal outlet 63 is connected to a discharge chute 66 which is integrated into each of the bottle supply units 16A and 16B.

When a trouble in the bottle supply line 11, a trouble in the bottle processing machine 12, or a trouble in a post-process following the bottle unloading line 13 (to be described later) occurs, the control device 49 detects a sensor corresponding to each trouble (to be described later in detail). After the detection result described above is obtained, the discharge damper 64 of the forcible discharge device 60 is operated, and the bottle 1 received from the bottle reversing and conveying device 15 is discharged from the abnormal outlet 63 to the outside of the normal passage line via the discharge chute 66. .

Note that a second bottle sensor 67 is provided above the normal outlet 62 in the bottle receiving duct 61. The second bottle sensor 67 includes a bottle receiving duct 61.
It is possible to detect bottle clogging in the inside.

As shown in FIG. 9, the discharge damper 64 is formed by attaching both ends of a thick (eg, 2 mm thick) stainless steel plate 64A bent in a U-shape to the drive shaft 65 of the cylinder 65.
A, a thin (eg, 0.5 mm thick) stainless steel plate 64B is adhered to one surface of the stainless steel plate 64A, and Teflon (trade name) is applied to the entire outer surfaces of both stainless steel plates 64A, 64B.
It is configured by attaching a tape 64C. As a result, the discharge damper 64 becomes flexible and has good lubricity, buffers the impact of the falling bottle 1 from the bottle reversing and transporting device 15, and allows the bottle 1 to slide down smoothly. In addition, abnormal exit 63
At the time of opening, as shown in FIG. 9, the front end of the thin stainless steel plate 64B is bent so as to be in close contact with the inner surface of the bottle receiving duct 61 without any gap.

(3) Next, FIG.
As shown in FIG. 16, a gantry 71 is provided with an intermittent rotary table 72, and the table 72 is provided with a plurality of buckets 73 at a plurality of positions in a circumferential direction, and a bottle 1 is provided immediately below each bucket 73.
Is provided with a chuck 74 for chucking the neck of the head.

Then, the bottle processing machine 12 receives the two bottles 1 simultaneously supplied from the first and second bottle supply units 16A, 16B into the adjacent buckets 73, 73, and then performs the intermittent rotation. The bottle 1 is repeatedly processed in the cooling process by tools, sensors, and the like provided at upper and lower portions of the table 72 as shown in the following (A) to (L) (FIGS. 11, 12, and 16). reference).

(A) Bucket Insertion At the insertion station A, each bottle supply unit 1
The bottle 1 supplied from 6A, 16B is received in the bucket 73.

(B) Neck Chuck In the chuck station B, the neck of the bottle 1 is chucked by the chuck 74.

(C) Dome Cut At the dome cut station C, the rotary table 7
In the rotation process 2, the dome 1A is cut by the cutter 75 fixedly arranged below the table 72.

(D) Insertion error detection During the rotation of the table 72, an insertion error such as a chuck error is detected by a bottle insertion error detection sensor 76 fixedly disposed above the table 72.

(E) Roughing In the roughing station E, while the table 72 is stopped, the end face and the inner face of the mouth 1B are roughly trimmed by the roughing drill 77 rising from below the table 72.

(F) Finishing In the finishing station F, the bottle 1 is pressed by the presser 78 while the table 72 is stopped, and the end face of the mouth 1B and the end face of the mouth 1B are pressed by the finishing drill 79 rising from below the table 72. Finish trimming the inner surface.

(G) Internal Air Cleaning At the air cleaning station G, the nozzle 81 is inserted into the bottle 1 while the table 72 is stopped, and chips and the like are removed by the cleaning air.

(H) Opening the neck chuck The chuck by the chuck 74 is released.

(I) Product discharge At the discharge station I, the bottle 1 is protruded out of the bucket 73 by the protruding rod 82 during the stop process of the table 72, and the pair of left and right conveyors 91 with elastic grippers of the bottle unloading line 13 is inserted. Bite into the side edge and let it drain. At this time, the product discharge (also used for detecting clogging in the downstream process) is confirmed by the reflection sensor 83 (see FIG. 11).

(J) Ejection Misdetection Instead of the reflection type sensor 83 of the above (I), the transmission type product 84 may be used to confirm the product discharge.

(K) Discharge Mistake or Defective Product Discharge At the forced discharge station K, the defective bottle 1 is forcibly discharged out of the bucket 73 by the air blow device 85 provided below the table 72 while the table 72 is stopped. It is received in a forced discharge chute 86 installed above the table 72.

That is, when a trouble (detailed later) of the bottle processing machine 12 occurs, the control device 49 obtains a detection result of a sensor (detailed later) corresponding to each trouble, and obtains a detection result from the trouble occurrence to the return. The trouble duration is monitored, and when the trouble duration exceeds a predetermined allowable time, the air blow device 85, the forced discharge chute 86 and the like are operated to move the unprocessed bottle 1 at the time of the trouble out of the normal passage line. And discharge.

(L) Detection of forced discharge failure Between the defective discharge station K and the insertion station A, during the rotation of the table 72, the presence or absence of the bottle 1 is detected by the contact sensor 87, and the forced discharge failure of (K) is detected. Is detected.

The above-mentioned sensors 76, 83, 84, 8
7 detects an operation error of the bottle processing machine 12,
The control device 49 stops the processing machine 12 and issues an alarm or the like.

Further, the processing machine 12 has a safety door 88, and has an opening detection sensor 89 for the door 88.
When the sensor 89 detects the opening of the door 88, the control device 4
9 stops the processing machine 12.

(4) As shown in FIG. 4, FIG.
As shown in FIGS. 3 to 15, a pair of left and right conveyors 91 with elastic grippers are arranged in two rows in parallel above the product unloading station (I) of the processing machine 12. Then, a product discharge chute 92 is connected to the output side of both conveyors 91.

The conveyor 91 with the elastic gripper has substantially the same configuration as the conveyor 22 with the elastic gripper of the bottle supply line 11 described above, and the conveyor interval such as the gripper 22C or the conveyor interval adjusting device 28 is used. An adjustment device is provided.

However, in the bottle discharge line 13,
Two or more types of bottle discharge units 91A and 9 corresponding to each bottle size
1B in parallel, each bottle discharging unit 91A,
By sliding the 91B along the slide guide 94, it is possible to selectively switch and set the position above the product unloading station (I). In this case, both units 9
In the conveyors 1A and 91B, the conveyor intervals and the like of the conveyors 91 with elastic grippers are different from each other.
Note that the bucket 73 is also provided with adjusting means (not shown) in order to cope with a change in bottle size.

Hereinafter, a trouble recovery procedure in the bottle processing line 10 will be described (see FIGS. 17 and 18).

(First Embodiment) (Refer to FIG. 17) The control device 49 has a problem with the discharge damper 64 of the forced discharge device 60 and the bottle supply unit 16 (16A, 16B).
According to the trouble of the bottle processing machine 12, the trouble of the post-process below the bottle unloading line 13,
Take one of the recovery procedures (A) to (E).

The contents of the above-mentioned troubles and the detection sensors are as follows.

(Trouble in the Discharge Damper 64) (a) The first bottle sensor 48 is on for a certain period of time or more (however,
The required condition is that the conveyor 22 with the elastic gripper is in operation.)
Then, it is determined that clogging has occurred around the discharge damper 64, and the discharge damper 64 is determined to be in trouble.

(B) When the second bottle sensor 67 has been turned on for a certain period of time or longer, it is determined that clogging has occurred around the discharge damper 64, and the discharge damper 64 is determined to be in trouble.

(C) When both the stroke end detection sensors 101 of the drive cylinder 65 of the discharge damper 64 do not turn on for a certain period of time or more, it is determined that a bottle jam has occurred in the discharge damper 64,
Discharge dumper 64 trouble is assumed.

(Trouble in Bottle Supply Unit 16) (a) The bottle confirmation sensor 55 is on for a certain period of time or more (however,
When the automatic operation of the bottle processing machine 12 is required), it is determined that the bottle 1 is clogged, and the bottle supply unit 16 is determined to be in trouble.

(B) When neither of the stroll end detection sensors 102 of the drive cylinder 47 of the distribution damper 46 is turned on for a certain period of time or more, it is determined that a bottle jam has occurred in the distribution damper 46,
It is assumed that the bottle supply unit 16 has a trouble.

(Trouble of Bottle Processing Machine 12) (a) Bottle insertion mistake detection sensor 76 of processing machine 12
When each of the product discharge error sensors 83 and 84, the contact sensor 87, and the safety door open detection sensor 89 detects an abnormality,
It is assumed that the processing machine 12 has a trouble. It is to be noted that another detection sensor may be provided between the bottle supply unit 16 and the processing machine 12 to detect clogging of the bottle therebetween.

(B) Drive motor load detection sensor 10 for rotary table 72
3. Driving motor load detection sensor 10 for drills 77 and 79
4 and 105, when an excessive load is detected, the processing machine 12
Trouble.

(C) When the air pressure detection sensor 106 of the nozzle 81 detects an under pressure, it is assumed that the processing machine 12 is in trouble.

(D) The drills 77, 79,
The nozzle 81 and the protruding rod 82 are attached to the table 72, respectively.
When the evacuation confirmation sensors 107, 108, 109, and 110 that detect that the evacuation position does not interfere with the processing are detected as abnormal, the processing machine 12 is regarded as trouble.

(Post-Process Troubles Following Bottle Discharge Line 13) Various operation state detection sensors 1 provided in each facility below the bottle discharge line 13 connected to the bottle processing machine 12.
.. Are detected as post-process troubles below the bottle discharge line 13.

(A) When only post-process troubles below the bottle discharge line 13 occur, the discharge damper 64 of the forced discharge device 60 is switched to the emergency exit 63 side, and the supply bottle 1 from the bottle reversing and conveying device 15 is switched.
Is automatically discharged out of the normal line.

The post-process troubles below the bottle discharge line 13 are manually returned.

The discharge damper 64 is switched to the normal outlet 62 side to return to the normal automatic operation.

(B) Post-process below the bottle unloading line 13 and when trouble occurs in the processing machine 12 or when trouble occurs only in the processing machine 12 The automatic operation of the processing machine 12 is stopped. Then, the discharge damper 64 of the forcible discharge device 60 is switched to the emergency exit 63 side, and the supply bottle 1 from the bottle reversing and conveying device 15 is automatically discharged out of the normal line.

The troubles in the post-process below the bottle processing machine 12 and the bottle unloading line 13 are manually recovered, and the processing machine 12 is restarted.

It is determined whether or not the trouble duration of the processing machine 12 has exceeded a predetermined allowable time.

When the time does not exceed the allowable time, the discharge damper 64 is immediately switched to the normal outlet 62 side, and the operation returns to the normal automatic operation.

If the time exceeds the allowable time, the unprocessed bottle (the remaining bottle in the processing machine 12 or the bottle supply unit 16) at the time of occurrence of the trouble is removed under the operation of the air blow 85 of the processing machine 12. Forcible discharge from the forced discharge chute 86. Thereby, the unprocessed bottle is automatically discharged out of the normal line. Thereafter, the discharge damper 64 is connected to the normal outlet 62.
Side and returns to normal automatic operation.

As the above-mentioned predetermined allowable time, a time is selected that does not deviate from an appropriate value of the post-processing shrinkage time until the size of the a-bottle 1 reaches a fixed value after contraction due to cooling after processing. In particular, it is possible to eliminate only the unprocessed bottles 1 that may cause a size defect out of the line, thereby ensuring stable quality (management).

Further, as the predetermined allowable time, b bottle 1
By selecting a time during which the cooling and solidification of the workpiece does not excessively proceed, the processing tool (the cutter 75 and the drills 77 and 79) is selected.
Etc.), only the unprocessed bottle 1 that may cause the life degradation of the processing tool is excluded from the line, and the life of the processing tool can be improved.

Further, the predetermined allowable time c is such that the size of the bottle 1 does not deviate from the appropriate value of the shrinkage time after processing until the size of the bottle 1 reaches a constant value after shrinkage due to cooling after processing, and the bottle 1 By selecting a time during which the cooling and solidification does not proceed excessively, it is possible to secure the stability of the quality according to the above a and the improvement of the service life of the processing tool according to the above b.

(C) When a trouble occurs in the post-process after the bottle discharge line 13, when a trouble occurs in the bottle processing machine 12 and the bottle supply unit 16, or when a trouble occurs in the bottle processing machine 12 and the bottle supply unit 16. The automatic operation of the machine 12 is stopped. Then, the bottle supply unit 16 is stopped, and the forced discharge device 6 is stopped.
The zero discharge damper 64 is switched to the emergency exit 63 side, and the supply bottle 1 from the bottle reversing and conveying device 15 is automatically discharged out of the normal line.

After the bottle processing unit 12 and the bottle discharge line 13 and subsequent processes, the trouble of the bottle supply unit 16 is automatically reset, and the bottle processing unit 12 and the bottle supply unit 16 are restarted.

-Same as in (B) above.

(D) Post-process below the bottle unloading line 13 and when a trouble occurs in the bottle supply unit 16 or when trouble occurs only in the bottle supply unit 16 The bottle supply unit 16 is stopped and the forced discharge device 60
Is switched to the emergency exit 63 side, and the supply bottle 1 from the bottle reversing and conveying device 15 is automatically discharged out of the normal line.

The trouble in the post-process below the bottle supply unit 16 and the bottle discharge line 13 is manually restored, and the bottle supply unit 16 is restarted.

The discharge damper 64 is switched to the normal outlet 62 side, and the operation returns to the normal automatic operation.

(E) When a trouble occurs in the discharge damper 64 The bottle 1 discharged from the bottle forming machine is automatically discharged out of the normal line by the secondary discharging mechanism on the bottle forming machine side (upstream).

The trouble of the discharge damper 64 is manually recovered, and the discharge damper 64 is restarted.

(Second Embodiment) (see FIG. 18) This is an example in which the control contents are simplified as compared with the first embodiment. The control device 49 controls the bottle supply unit 16 (16A, 16B)
According to the trouble of the bottle processing machine 12, the trouble of the post-process below the bottle unloading line 13,
Take one of the recovery procedures (A) to (C).

The contents of the above-mentioned troubles and the detection sensors are the same as those in the first embodiment.

(A) When Only Post-Process Troubles Following the Bottle Discharge Line 13 Occur When the discharge damper 64 of the forced discharge device 60 is switched to the emergency exit 63 side, the supply bottle 1
Is automatically discharged out of the normal line.

The trouble in the post-process after the bottle discharge line 13 is manually returned.

The discharge damper 64 is switched to the normal outlet 62 side to return to the normal automatic operation.

(B) Post-process below the bottle unloading line 13 and when trouble occurs in the processing machine 12 or when trouble occurs only in the processing machine 12 Automatic operation of the processing machine 12 is stopped. Then, the discharge damper 64 of the forcible discharge device 60 is switched to the emergency exit 63 side, and the supply bottle 1 from the bottle reversing and conveying device 15 is automatically discharged out of the normal line.

The trouble in the post-process following the bottle processing machine 12 and the bottle unloading line 13 is manually restored, and the processing machine 12 is restarted.

It is determined whether or not the trouble duration of the processing machine 12 has exceeded a predetermined allowable time.

When the time does not exceed the allowable time, the discharge damper 64 is immediately switched to the normal outlet 62 side, and the operation returns to the normal automatic operation.

If the time exceeds the allowable time, the unprocessed bottle (the remaining bottle in the processing machine 12 or the bottle supply unit 16) at the time of occurrence of the trouble is removed under the operation of the air blow 85 of the processing machine 12. Forcible discharge from the forced discharge chute 86. Thereby, the unprocessed bottle is automatically discharged out of the normal line. Thereafter, the discharge damper 64 is connected to the normal outlet 62.
Side and returns to normal automatic operation.

The above-mentioned predetermined allowable time is the same as in the first embodiment.

(C) After the bottle discharge line 13 and subsequent processes, and when a trouble occurs in the bottle supply unit 16, the bottle unloading line 1
3 or less, when a trouble occurs in the bottle processing machine 12 and the bottle supply unit 16, the bottle processing machine 1
2. When trouble occurs in the bottle supply unit 16 or when trouble occurs only in the bottle supply unit 16 The automatic operation of the bottle processing machine 12 is stopped. Then, the conveyor 22 with the elastic gripper is stopped.

Troubles below the bottle processing machine 12, the bottle supply unit 16, and the bottle unloading line 13 are manually recovered and restarted.

It is determined whether the trouble duration time of the bottle processing machine 12 has exceeded a predetermined allowable time.

If the allowable time has not been exceeded, the operation of the conveyor 22 with the elastic gripper is restarted, and the operation returns to the normal automatic operation.

If the time exceeds the allowable time, the unprocessed bottle (the remaining bottle in the processing machine 12 or the bottle supply unit 16) at the time of occurrence of the trouble is removed by the operation of the air blow 85 of the bottle processing machine 12. To force discharge from the forced discharge chute 86. Thereby, the unprocessed bottle is automatically discharged out of the normal line. Then, the conveyor 2 with the elastic gripper
2 is restarted, and the operation returns to the normal automatic operation.

Hereinafter, the operation of this embodiment will be described. The bottle reversing / conveying device 15 is provided with a pair of turn-shaped conveyors 22 provided with an elastic gripping tool 22C, and grips both sides of the bottle 1 with the elastic gripping tool 22C. The bottle 1 can be inverted and transported without being absorbed by the elastic deformation of the elastic gripping tool 22C.

In the above description, when the amount of change in the bottle size exceeds the elastic change range of the elastic gripping tool 22C, the conveyor interval is adjusted, for example, by operating the handle of the conveyor interval adjusting device 28, so that the mold can be easily changed. be able to.

The bottle supply unit switching device 17 switches the bottle supply units 16A and 16B corresponding to the change of the bottle size to
It is possible to easily change the mold simply by switching from the standby position to the work position by, for example, horizontal rotation.

In supplying the bottle 1 to the bottle processing machine 12,
The bottle 1 whose dome 1A has been turned downward by the bottle reversing and conveying device 15 is placed in the bottle supply unit 16.
A, 16B, and the bottle processing machine 12
Can be supplied. Therefore, the bottle 1 is cut and trimmed, for example, by the bottle processing machine 12 with the dome 1A directed downward, and it is possible to suppress intrusion of chips into the bottle 1.

The forced discharge points K ₁ and K _{2 are provided} on the entry side of the bottle processing machine 12.
When the trouble of the processing machine 12 occurs, the bottle 1 sent from the previous process is discharged from the forced discharge points K ₁ and K ₂ to the outside of the line, so that the line of the previous process is not stopped. Trouble can be recovered.

In particular, in the case of equipment such as a molding machine that requires an enormous amount of time to be restarted once it is stopped, such as a molding machine, it is not necessary to stop such equipment, so it is necessary to recover from trouble. The required time can be reduced, and the line operation rate can be improved.

Further, the above-mentioned forced discharge point K is provided at various points on the line.
_1, provided with K _2, only performs the operation of discharging to the outside of the line in a forced discharge point K _1, K ₂ immediately before the processor 12 that caused the trouble, if those others that continued as normal operation, trouble The bottle 1 can be supplied immediately after the return, and the line operation rate can be improved.

The bottle supply unit 16 (16) for controlling the bottle attitude between the bottle processing machine 12 and the forced discharge points K ₁ and K _2.
A, 16B) can stabilize the attitude of supplying the bottle to the processor 12.

Only when the trouble duration from the occurrence of the trouble to the return of the bottle processing machine 12 to the return exceeds the proper processing timing (predetermined allowable time), the unprocessed bottle at the time of the trouble is moved out of the normal molded article passing line. Will be discharged.

Therefore, as the predetermined permissible time, a time that does not deviate from an appropriate value of the post-processing shrinkage time until the size of the a-bottle 1 reaches a constant value after contraction by cooling after processing is selected. As a result, only the unprocessed bottles 1 that may cause a size defect are excluded from the line, and quality stability (management) can be ensured.

Further, as the predetermined allowable time, b bottle 1
By selecting a time during which the cooling and solidification of the workpiece does not excessively proceed, the processing tool (the cutter 75 and the drills 77 and 79) is selected.
Etc.), only the unprocessed bottle 1 that may cause the life degradation of the processing tool is excluded from the line, and the life of the processing tool can be improved.

Further, the predetermined allowable time c is such that the size of the bottle 1 does not deviate from the appropriate value of the shrinkage time after processing until the size of the bottle 1 reaches a constant value through shrinkage due to cooling after processing, and the bottle 1 By selecting a time during which the cooling and solidification does not proceed excessively, it is possible to secure the stability of the quality according to the above a and the improvement of the service life of the processing tool according to the above b.

[0112]

As described above, according to the present invention, it is possible to improve the changeability of the supply line in accordance with the change in the shape of the article, shorten the time required for the change of the type, and to facilitate the type change operation.

[Brief description of the drawings]

FIG. 1 is a front view showing a bottle supply line to a bottle processing machine.

FIG. 2 is a plan view of FIG. 1;

FIG. 3 is a side view of FIG. 1;

FIG. 4 is a plan view showing a bottle unloading line from the bottle processing machine.

FIG. 5 is a front view showing a bottle supply device.

FIG. 6 is a side view of FIG. 5;

FIG. 7 is a schematic diagram showing a conveyor interval adjusting device.

FIG. 8 is a schematic diagram showing a conveyor driving device.

FIG. 9 is a schematic diagram showing a forced discharge device.

FIG. 10 is a schematic diagram showing a supply path unit.

FIG. 11 is a plan view showing a bottle processing machine.

FIG. 12 is a front view of FIG. 11;

FIG. 13 is a plan view showing the bottle unloading device.

FIG. 14 is a side view of FIG. 13;

FIG. 15 is a front view of FIG. 13;

FIG. 16 is a schematic diagram illustrating a processing procedure of the bottle processing machine.

FIG. 17 is a flowchart showing an example of a trouble recovery procedure of the bottle processing line.

FIG. 18 is a flowchart showing another example of the trouble recovery procedure of the bottle processing line.

FIG. 19 is a control circuit diagram.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Bottle 1A Dome (head) 15 Bottle reversal conveyance device (article reversal conveyance device) 16 (16A, 16B) Bottle supply unit (supply route) 17 Bottle supply unit switching device (supply route switching device) 22 Conveyor with elastic gripper 28 Conveyor spacing adjustment device

──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Masashi Yano 59-1 Kurigashima, Takanezawa-cho, Shioya-gun, Tochigi (72) Inventor Atsushi Sugiyama 6-45-7 Higashikasai, Edogawa-ku, Tokyo Dormy Kasai III 210 (56) References JP-A-62-100302 (JP, A) JP-A-62-128735 (JP, A) JP-A 1-152910 (JP, U) JP-A 61-110617 (JP, U) (58) Field surveyed (Int. Cl. ⁶ , DB name) B65G 47/80-47/96 B65G 17/26 B65G 43/08 B65G 11/18 B65G 47/44 B65G 47/78 B29C 49/00-49/80

Claims (3)

(57) [Scope of request for utility model registration] 1. An article supply apparatus for feeding an article in an inverted posture, wherein a pair of conveyors with elastic grippers are vertically arranged in a turn from an article delivery position to an article discharge position, and the grippers of the pair of conveyors are provided. An article reversing / transporting device capable of reversing the posture of the article in the article transporting process of gripping the article in between, and receiving the articles discharged from the article reversing / transporting apparatus,
Two or more kinds of supply paths for supplying the article to the downstream side while maintaining the posture are juxtaposed for each article size, and each supply path can be selectively switched and set to a work position linked to the article discharge position of the above-mentioned article reversing and conveying device. And each supply route is from the article reversal conveyance device.
Left and right that received goods are alternately distributed by the distribution damper
An article supply device, comprising: an article supply path switching device including a pair of supply guides . 2. The article supply apparatus according to claim 1, wherein the article reversing and conveying apparatus includes a conveyor interval adjusting device capable of adjusting an interval between the pair of conveyors. 3. The article reversing / conveying device reverses the head of an article from upper to lower, and the supply path can supply the article to a downstream article head processing machine while holding the head of the article lower. The article supply device according to claim 1 or 2, wherein: