JPH06191503A - Top lid inserting device - Google Patents

Abstract

PURPOSE:To provide a top lid inserting device which can lower a top lid in a box at the same time when the top lid is carried on the top of the box by a method wherein a top lid is continuously carried while being tilt-supported to the carrying direction, in the same direction as a box carrying device which continuously carries boxes on a straight line, and after the lower end surface of the top lid and the upper end surface of the box are crossed, the top lid is released. CONSTITUTION:The title top lid inserting device is equipped with a box carrying device 1 which continuously carries a plurality of boxes A1, A2, A3..., of which the top surface is opened, on a straight line with a fixed interval, and a top lid carrying device 11 which is arranged to be tilted to the box carrying device 1, of which the lower surface is opened, and which carries box-shaped top lids B1, B2, B3..., to be inserted in respective boxes, in the same direction as the boxes on a straight line with a fixed interval. When the lower end surface of the top lid B1 at the most forward end and the upper end surface of the box A1 at the most forward end cross, the front end part of the top lid B1 is inserted in the front end part of the box A1, and the top lid B1 turns by its self weight with the contact part between the front end part of the top lid and the upper end part of the box as a support, and drops in the box A1, and thus, the top lid is inserted, and the box is carried to the next process.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for covering a beer bottle, for example, with a box-shaped canopy in a container, and more particularly to a device for continuously inserting the canopy between the inner surface of the container and the beer bottle. .

[0002]

2. Description of the Related Art When a bottled beer is put in a box and shipped, a beer bottle may be covered with a box-shaped canopy made of paperboard in order to prevent cold or shade. The canopy is inserted between the inner surface of the container and the beer bottle because the handle of the container must be touched. To form a box, there is a method of expanding a preformed and folded product, and a method of forming from a paperboard at the insertion site.

As a canopy insertion device, a plurality of boxes that are continuously conveyed are temporarily stopped at the same time, a plurality of canopies are supported at the same time, and the plurality of boxes that are stopped are conveyed to the upper part of the stopped boxes. There is an intermittent operation method that lowers and inserts into the box.

Since the intermittent operation type requires a cycle time, the number of boxes to be processed in one cycle must be increased in order to increase the processing capacity, which causes a problem that the apparatus becomes large. . Further, at the exit of the apparatus, a plurality of boxes are conveyed in groups, which poses a problem in a post-process, for example, a branch assembly apparatus, and a continuous operation system has been demanded.

As a continuous operation system, a box carrying means for carrying boxes continuously, a canopy carrying means for carrying the canopies continuously horizontally in the same direction as the boxes above the box carrying means, and a plurality of supporting canopies. A canopy supporting means, a vertical moving means connected to the canopy conveying means for vertically moving the canopy supporting means, and a support opening means for opening the support of the canopy, and the canopy is conveyed to the upper part of the box. There is one in which the lower end of the canopy is lowered into the box by the vertical moving means and the supporting opening means is operated to drop the canopy.

[0006] The reason why the canopy is supported and lowered is that the canopy is displaced from the box and does not enter the box if the support is opened when at least one side of the lower end of the canopy is not in the box. This is to ensure that the entry is made.

[0007]

The conventional continuous operation system requires means for lowering the canopy (vertical moving means) and its control device in addition to means for transporting the canopy to the upper part of the box. There is a problem that the structure of the canopy insertion device becomes complicated.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a canopy insertion device which can convey a canopy to the upper part of a box and at the same time lower it into the box without separately installing a means for lowering the canopy and its control device. To do.

[0009]

In order to achieve the above-mentioned object, the canopy insertion device of the present invention is a canopy insertion device for inserting a box-shaped canopy inside a box having an open top, and the boxes are arranged at regular intervals. A box carrier that continuously carries on a straight line, and the canopy that is continuously carried on a straight line in the same direction as the box at regular intervals and is arranged above the box carrier and inclined with respect to the box carrier. A canopy carrier, and a canopy support means connected to the canopy carrier to support the canopy,
Support opening means for opening the support of the canopy is provided, and the support opening means is operated after the lower end surface of the canopy and the upper end surface of the box cross each other.

[0010]

According to the present invention having the above-described structure, since the canopy carrier device is arranged to be inclined with respect to the box carrier device, when the box and the canopy move in the same direction, the lower end surface of the canopy and the top of the box are The end faces intersect. That is, the front part of the canopy is inclined and enters the box. At this time, when the support opening means is operated to open the support of the canopy, the front part of the canopy comes into contact with the upper end of the box, and the canopy rotates horizontally by its own weight with this contact point as a fulcrum and falls into the box. To do.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the canopy insertion device according to the present invention will be described below with reference to FIGS. FIG. 1 is a diagram showing the entire structure of a canopy insertion device. The canopy insertion device is a box that continuously conveys a plurality of boxes (for example, a return box containing beer bottles b) A whose upper surface is open on a straight line at regular intervals. Carrier 1
And a box-shaped canopy B, which is installed above the box carrier 1 and inclined with respect to the box carrier 1, and whose lower surface is open, is continuously carried on a straight line in the same direction as the box A at regular intervals. And a canopy transfer device 11 for performing the operation.

The canopy insertion device is a canopy B1, B2 continuously conveyed by the canopy carry-in device 11 to the boxes A1, A2, A3, A4 continuously conveyed by the box conveyance device 1.
B3 and B4 are inserted respectively.

The box carrying device 1 is composed of a chain conveyor having sprockets 2 and 2 arranged at both ends and a chain 3 bridged between the sprockets 2 and 2. One of the sprockets 2 is connected to a drive shaft of a drive sprocket 4 connected to a motor M, and the motor M runs the chain 3. Engaging claws 5 for contacting and pushing the rear surface of the box A are fixed to the chain 3 at predetermined intervals. Further, a receiving rail 6 for receiving the lower surface of the box A is installed slightly above the upper traveling track 3a of the chain 3, and the box A is pushed by the engaging claws 5 along the receiving rail 6 and is moved in the arrow direction. Be transported to.

Further, an inlet side conveyor 8 is installed on the upstream side of the box conveying apparatus 1, and one of the sprockets 9 of the inlet side conveyor 8 is connected to the drive shaft of the sprocket 2 and is driven by the motor M. The entrance side conveyor 8 is driven. The entrance-side conveyor 8 is set so as to have a transport speed twice as fast as that of the box transport device 1 depending on the tooth ratio. A box stopper 10 is installed above the entrance of the entrance side conveyor 8 to temporarily stop the boxes A that are continuously conveyed. Then, when the box stopper 10 is released, a predetermined space is formed between the preceding box and the succeeding box by the entrance side conveyor 8, and then the box is conveyed to the box conveying device 1 and is conveyed by the box conveying device 1 at a predetermined interval. It is transported while maintaining.

On the other hand, the canopy conveying device 11 is composed of a chain conveyor having a plurality of sprockets 12 and a chain 13 spanning the plurality of sprockets 12, and the chain 13 has a plurality of pairs for holding the front and rear portions of the canopy B. The front grip portion 15 and the rear grip portion 16 are installed. One sprocket 12 of the canopy carrier 11 is connected to the drive shaft of the drive sprocket 4, and the chain 13 is set so as to travel at the same speed as the chain 3.

The front grip portion 15 and the rear grip portion 16 constitute a canopy support means for supporting the canopy. The grip portion 15 is fixed to the chain 13 as shown in FIG. 2 (FIG. 2A is a plan view and FIG. 2B is a side view).
The L-shaped member 17 and an elastic member 18 made of rubber or the like fixed to one side of the L-shaped member 17 are arranged so that the elastic member 18 contacts the front end surface of the canopy B.

As shown in FIG. 3 (FIG. 3A is a plan view and FIG. 3B is a side view), the rear grip 16 is a bracket 20 fixed to the chain 13 and the bracket 2
An arm 21 swingably supported by 0 and this arm 2
Elastic member 22 and roller 23 made of rubber or the like fixed to 1 and tension coil spring 2 for urging arm 21
4 and. The elastic member 22 is normally in contact with the rear end surface of the box A by the urging force of the tension coil spring 24, and the rear grip 16 cooperates with the front grip 15 to grip the box A, and When the arm 23 swings against the urging force of the tension coil spring 24 by abutting the support release means (described later) 23, the grip of the box A is released. Reference numeral 25 is a stopper that restricts the swing of the arm 21 toward the box A side.

The lower running track 13a of the chain 13
Below the rail, a receiving rail 26 for receiving the lower surface of the canopy B is formed.
Are installed over a predetermined range (see FIGS. 1, 2 and 3), and the canopy B is guided by the receiving rail 26 and is gripped and conveyed by the front and rear grips 15 and 16.

A canopy supply conveyer 28 is installed on the upstream side of the canopy transfer device 11.
One of the eight sprockets 29 is connected to the drive shaft of the sprocket 12 of the canopy conveying device 11, and the motor M drives the canopy supply conveyor 28. The canopy supply conveyor 28 is set so as to have a transport speed twice as fast as that of the canopy transport device 11 depending on the tooth ratio. The chain 30 of the canopy supply conveyor 28 is provided with a plurality of engaging claws 43 for pushing the rear end surface of the canopy B at predetermined intervals.

On the other hand, above the canopy supply conveyor 28,
A canopy supply device 31 for supplying canopies B to the canopy supply conveyor 28 one by one is installed. Canopy feeder 3
1 comprises a stock section 32 for stacking and stocking a large number of canopies B in a folded state, and a supply section 33 for drawing out the canopies B one by one from the stock section 32 and supplying the canopy supply conveyor 28. The stock portion 32 is a box-shaped frame 32 that supports four side surfaces of the canopy B as shown in FIG. 4 (FIG. 4A is a side view and FIG. 4B is a plan view).
The supply unit 33 includes a pair of suction cups 34, an arm 35 that supports each suction cup 34, sprockets 36 and 37 for rotating the arm 35, and a chain 38 that connects the sprockets 36 and 37. Is equipped with. The supply unit 33 further includes a pinion 39 for rotating the sprocket 37 and a rack 40, and the rack 4
Zero is moved up and down by the air cylinder 41.

When the rack 40 is moved up and down by driving the air cylinder 41, the pinion 39 rotates, and as a result, the arm 35 swings between the solid line position and the virtual line position. There is. And the suction cup 34
A vacuum is supplied to the inside of the container, and the suction cup 34 sucks the lowermost canopy B and pulls it out from the stock section 32, and the canopy B folded by the swing of the arm 35 is opened to supply the canopy. It is supplied to the receiving rail 26 slightly above the conveyor 28. The vacuum of the suction cup 34 is designed to leak when the arm 35 passes the proximity switch 44.

Next, the overall operation of the canopy insertion device configured as described above will be described with reference to FIG. The boxes A that have been continuously conveyed are stopped by the box stopper 10. When the box stopper 10 is released, the box A is transported by the entrance-side conveyor 8 at a transport speed twice as fast as that of the box transport apparatus 1, and a constant interval is formed between the box A and the subsequent box to supply it to the box transport apparatus 1. To be done. The box carrying device 1 carries the box A on the receiving rail 6 while pushing it with the engaging claws 5. In FIG. 1, a plurality of boxes A1, A2, A3, A4
Are transported in the direction of the arrow by the box transport device 1. In addition,
Box A5 shows a state in which it is stopped by the box stopper 10.

On the other hand, the canopy supply device 31 operates in synchronization with the box stopper 10, and after the folded canopy B is pulled out from the stock part 32 by the supply part 33, the canopy B is opened and supplied to the receiving rail 26. . The operation of the canopy B and the suction cup 34 of the supply unit 33 at this time is shown in FIG.
That is, as shown in FIG. 5A, the side walls a and a of the folded bottom canopy B of the stock portion 32 are sucked by the suction cup 34. Then, by rotating the suction cup 34, the side walls a, a of the canopy B are opened as shown in FIG. Side walls c, c adjacent to the side walls a, a (only one surface is shown in FIG. 5 (b)) are provided with rectangular restricting pieces d, d on their inner surfaces, and when the canopy B is opened, One end of the restriction pieces d, d contacts the top surface e of the canopy B to prevent the canopy B from closing. The two-dot chain line indicates the folding line f, and the restricting piece d is bonded to the side wall portion c below the folding line f.

The canopy B thus opened is the receiving rail 2
6, the canopy B on the receiving rail 26 is pushed by the engaging claws 43 of the canopy supply conveyor 28 to be supplied to the canopy transfer device 11, and the front and rear grips 15, 16 installed in the canopy transfer device 11 are provided. The front and rear end surfaces of the canopy B are thus gripped. Then, the canopy B is received by the canopy carrier 11 and the receiving rail 26
Is transported along. In FIG. 1, a plurality of canopies B
1, B2, B3, B4 are transported by the canopy transport device 11 in the arrow direction.

After that, when the lower end surface of the foremost canopy B1 and the upper end surface of the foremost box A1 intersect, that is, when the front end of the canopy B1 is inserted into the front end of the box A1, as shown in FIG. Then, the roller 23 of the rear grip 16 comes into contact with the cam 42, the arm 21 of the rear grip 16 swings, and the elastic member 22 of the rear grip 16 separates from the rear end surface of the canopy B1. The cam 42 constitutes a support opening means for opening the support of the canopy B. At this time, since the lower end surface of the canopy B1 is not already supported by the receiving rail 26, the canopy B1 rotates by its own weight with the contact portion R between the front surface of the canopy and the upper end of the box as a fulcrum, and the canopy B1 moves to the box A1. Then, the operation of inserting the canopy ends. Then, as shown at the left end of FIG. 1, the box A in which the canopy B is inserted is transported to the next step.

In the present embodiment, an example in which the canopy is inserted into the through box containing the beer bottle has been described, but the type of box is not limited as long as the canopy is inserted into the inner surface of the box.

[0027]

As described above, according to the present invention, since the canopy carrier device is arranged to be inclined with respect to the box carrier device, when the box and the canopy move in the same direction, the front part of the canopy is tilted. Then, it is not necessary to provide a means for lowering the canopy and its control device separately from the canopy carrier device. Therefore, the structure of the device is simplified.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment of a canopy insertion device according to the present invention.

2A and 2B are enlarged views of a main part of a canopy grip portion in a canopy insertion device according to the present invention, FIG. 2A being a plan view and FIG.
Is a side view.

3A and 3B are enlarged views of a main part of a canopy grip portion in a canopy insertion device according to the present invention, FIG. 3A being a plan view and FIG.
Is a side view.

FIG. 4 is an enlarged view of a main part of the canopy supply device in the canopy insertion device according to the present invention, FIG.
(B) is a plan view.

FIG. 5 is a diagram showing details of a canopy in the canopy insertion device according to the present invention, FIG. 5 (a) is a side view showing the canopy in a folded state, and FIG. 5 (b) shows the canopy in an open state. It is a side view.

FIG. 6 is an operation explanatory view of the canopy insertion device according to the present invention.

[Explanation of symbols]

 A (A1, A2, A3, A4, A5) Box B (B1, B2, B3, B4) Canopy 1 Box transport device 3 Chain 5 Engaging pawl 6 Receiving rail 8 Inlet side conveyor 10 Box stopper 11 Canopy transport device 13 Chain 15 front gripping part 16 rear gripping part 26 receiving rail 28 canopy supply conveyor 31 canopy supply device 32 stock part 33 supply part 34 suction cup 42 cam

Claims (1)

[Claims] 1. A canopy insertion device for inserting a box-shaped canopy inside a box having an open top, and a box transfer device for continuously transferring the box on a straight line at regular intervals, and the canopy in the same direction as the box. A canopy carrier that continuously conveys on a straight line at regular intervals and is arranged above the box carrier and inclined with respect to the box carrier, and a canopy support that is connected to the canopy carrier and supports the canopy. Means and a support opening means for opening the support of the canopy, and the support opening means is operated after the lower end surface of the canopy and the upper end surface of the box cross each other. .