JP2564165B2 - Pallet attachment turning device for auto palletizer - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a pallet attachment turning device for an automatic palletizer that loads molded articles continuously molded by a press line onto a pallet.

[Conventional technology]

A conventional pallet transfer device is installed in an auto palletizer that loads molded products that are continuously molded by a press line onto a pallet. This pallet transfer device transfers empty pallets to the loading position and loads the molded products. I am carrying out a pallet.

In the conventional auto palletizer described above, various loading postures are required depending on the form of the molded products, such as flatly stacking or vertically stacking the molded products in the pallet, but each time a pallet corresponding to the loading posture is required. Depending on the type of molded product, it may not be possible to load it with an auto palletizer, so it may be necessary to rely on manual loading, which is an obstacle to automation in press lines that produce many types of molded products. .

In order to improve such a problem, for example, the actual development Sho 61-1939
In JP 58, a panel vertical stacking pallet is proposed in which the partition of the pallet is automatically swung to the partition position by the input means.

The pallet disclosed in the above publication has a main shaft swivel shaft provided with swivel vanes projecting on both sides of the upper part of the pallet at a fixed angle for each of a plurality of partition positions, and a swivel vane of the main rotary shaft. A plurality of driven swivel shafts that are sequentially swiveled and a partition attached to these driven swivels are provided.By rotating the above-described driven swivel shaft by a pallet partitioning operation mechanism consisting of a servo cylinder at a constant angle, each partition is rotated. It is configured so that it can be sequentially rotated to the partition position.

[Problems to be Solved by the Invention]

However, in the above-mentioned conventional panel vertically stacked pallet, since it is necessary to provide a main swing shaft and a driven swing shaft rotated by the main swing shaft on the pallet side, a general-purpose pallet cannot be used and the structure of the pallet is complicated. Therefore, there is a problem that the pallet becomes expensive.

Further, since the plurality of partitions provided on the pallet can be rotated only in a fixed order, for example, the partition cannot be used for one or more partitions depending on the size and shape of the panel to be accommodated. , There is a lack of freedom.

In addition, the support brackets with the main and driven pivots project on both sides of the upper part of the pallet, so these support brackets collide with the support brackets and obstacles of other pallets during pallet transportation, and they are damaged. There are problems such as being easy.

The present invention has been made to solve such a problem, and provides a pallet attachment revolving device for an automatic palletizer, which can selectively revolve a partition lever provided on a pallet according to the size and shape of a molded product and a loading posture. The purpose is to do.

[Means and Actions for Solving the Problems]

In order to achieve the above object, the present invention relates to an auto palletizer in which molded products that are continuously molded by a press line are loaded onto a pallet and conveyed, so that the loading position of the molded products is opposed to each other with the pallet sandwiched therebetween. Is provided in
And lateral rods that are movable toward and away from each other, carriers that are supported by these lateral rods, and that are movable along a plurality of partition levers provided on the pallet, and attachments that are provided on these carriers and that are attached to the carriers. An attachment swivel mechanism capable of swiveling a member in the direction of contact and separation of a partition lever provided on the pallet; and an attachment detachably mounted on the attachment mounting member and which swivels the partition lever to a standby position and a partition position. Is provided.

Further, the attachment turning mechanism for turning the attachment mounting member is provided at the tip of the lifting rod provided on the carrier so as to be able to move up and down.

With the above configuration, a general-purpose pallet can be used to automatically turn the plurality of partition levers provided on the pallet from the standby position to the swivel position, and according to the size and shape of the molded product accommodated in the pallet. It is possible to freely set the interval between the partition levers used.

Further, by attaching the attachment to the lower end of the lifting rod via the attachment turning mechanism, even if the height of the partition lever provided on the pallet can be changed, the versatility is improved.

〔Example〕

 The present invention will be described in detail with reference to the drawings.

In the figure, reference numeral 1 is the main body of this apparatus installed at the position where the molded articles of the auto palletizer are loaded, and it has horizontal rods 3 that face each other across the pallet 2 and can move in the contacting and separating directions. Guide rails 4 laid on the upper and lower surfaces of the horizontal rod 3.
A carrier 5 is movably supported on the.

The carrier 5 includes a moving motor 6 and a lifting motor 7.
And a pinion 8 provided on the moving motor 6 is meshed with a rack 9 provided along the guide rail 4, and each carrier 5 is synchronized with the guide rail 4 by the moving motor 6. It is supposed to be moved.

A lifting rod 10 is movably supported on each carrier 5, and a rack 11 provided on the lifting rod 10 is meshed with a pinion 12 provided on the lifting motor 7 to allow the lifting motor 7 to move. The lifting rod (10) is moved up and down, and an attachment turning mechanism (13) is attached to the lower end of the lifting rod (10).

The attachment turning mechanism 13 turns the attachments, which will be described later, provided on the pallet 2 sequentially as the molded articles 14 are loaded, and as shown in FIG.
An upper portion of the support member 15 is rotatably supported by a pin 16 at the lower end of the.

The supporting member 15 is rotatable about a pin 16 from a solid line position in FIG. 3 to an imaginary line position by a swing cylinder 17 provided on the lifting rod 10 side. A guide rod 18 is slidably supported in a direction orthogonal to 15.

One end of the guide rod 18 is connected to the tip of the piston rod 19a of the shift cylinder 19 provided under the guide rod 18 and the connecting plate 20.
The shift cylinder 19 allows the pallet to be shifted in the two directions and the connecting plate.
An attachment attachment member 21 is provided at the bottom of 20.

The attachment mounting member 21 has a groove 21
a and a mounting hole 21b at the bottom of the groove 21a,
The angular fitting portion 22a and the pin portion 22b of the attachment 22 as shown in FIGS. 4 and 5 are provided in the concave groove 21a and the mounting hole 21b.
Is inserted and locked by the locking pin 23.

On the other hand, the pallet 2 has columns 2a standing upright at the four corners as shown in FIGS. 6 and 7, and a horizontal rod 2b is provided between these columns 2a.
Is horizontally installed, and an attachment 25 is provided on the horizontal rod 2b.

The attachment 25 is used for vertically stacking the molded products 14 in the pallet 2, and partition levers 26 for partitioning the molded products 14 into a fixed number are provided at equal intervals in the loading direction.

The partition lever 26 has, for example, a V shape, and a bent portion is rotatably supported by a shaft rod 27 so that it can be rotated from a standby position to a partition position each time a molded product 14 is loaded. There is.

It should be noted that the attachment 25 can be selectively used depending on the shape of the molded product 14 and the loading attitude thereof.

Next, the operation will be described. The empty pallet 2 carried into the auto palletizer is conveyed to a molded article loading position by a pallet conveying device (not shown), and the molded article 14 formed by the press line and continuously discharged is emptied. The pallets 2 are sequentially loaded from the back.

At this time, the carrier 5 of the main body 1 is stopped to the side of the first partition lever 26 from the back of the empty pallet 2 and waits until a predetermined number of molded products 14 are loaded into the empty pallet 2 by the panel loader 28. When a predetermined number of, for example, 5 sheets are stacked upright, the supporting member 15 at the position indicated by the phantom line in FIG.
Is rotated by the swing cylinder 17 to the solid line position, whereby the tip of the hook-shaped attachment 22 mounted on the attachment mounting member 21 moves the partition lever 26 of the attachment 25 provided on the pallet 2 side from the standby position to the partition position. Rotate.

The molded product 14 that will be loaded thereafter is the partition lever.
While being leaned against 26, the carrier 5 is moved to the side of the next partition lever 26 during this time and waits until a predetermined number of sheets are loaded.

Thereafter, the above operation is repeated and the partition levers 26 are swung one after another, and when all of the planned partition levers 26 are swung, the carrier 5 is returned to its original position, and during this time, the full pallet 2 is unloaded and empty. The pallets 2 will be carried in.

On the other hand, although it was mentioned above that the attachment 25 suitable for this type can be replaced depending on the type of the molded product 14, when the molded product 14 is stacked horizontally, the partition lever 26 can be used as a flat stacking pallet by setting it to the standby position. You can also

Further, even if the attachment position of the attachment 25 changes depending on the pallet 2, it is possible to deal with all the attachments 25 by moving the carrier 5 and vertically moving the lifting rod 10 provided on the carrier 5. Two
Even if the width of itself changes, it can be dealt with by adjusting the interval of the horizontal rod 3.

〔The invention's effect〕

As described in detail above, the present invention provides a carrier movable along a plurality of partition levers provided on a pallet,
Since the attachment is provided via the attachment rotation mechanism, as the molded products are loaded onto the pallet, the partition lever is sequentially rotated from the standby position to the partition position by the above-mentioned attachment, so that a large number of molded products can be stored in the pallet. It is possible to efficiently divide and store.

In addition, by moving the attachments to the partition lever like one or multiple attachments, the interval between the partition levers to be used can be freely set according to the size and shape of the molded product to be stored in the pallet, and the carrier can be set. Since the horizontal rod supporting the pallet is movable in the contacting / separating direction, it is possible to deal with this even if the width of the pallet varies.

Furthermore, since it is not necessary to provide an attachment turning mechanism or attachment on the pallet side, it is economical to use a general-purpose pallet as it is and at the same time, unlike the conventional panel vertically stacked pallet, the output means may protrude above the pallet. Since the pallets are not conveyed, there is no problem that the output means collide with the output means of another pallet or an obstacle and are damaged.

On the other hand, by attaching the attachment turning mechanism and attachment to the lower part of the lifting rod supported by the carrier so that it can be raised and lowered, even if the height of the partition of the pallet changes, the lifting rod can be raised and lowered to support these pallets. can do.

[Brief description of drawings]

The drawings show one embodiment of the present invention. FIG. 1 is an overall front view, FIG. 2 is a side view, FIG. 3 is an enlarged sectional view of an attachment turning mechanism, and FIG. 4 is an exploded view of a turning mechanism side attachment. FIG. 5 is a perspective view, FIG. 5 is a cross-sectional view of the same attachment state, FIG. 6 is a perspective view of a pallet, and FIG. 7 is an operation explanatory view of the pallet side attachment. 2 is a pallet, 3 is a horizontal rod, 4 is a guide rail, 5 is a carrier, 10 is a lifting rod, 13 is an attachment turning mechanism, 14 is a molded product, 17 is a swing cylinder, and 22 and 25 are attachments.

Claims (2)

(57) [Claims] 1. An automatic palletizer for loading and transporting molded articles 14 continuously molded by a press line onto a pallet 2 and is provided so as to face the loading position of the molded articles 14 with the pallet 2 interposed therebetween. , And the carriers 5 which are movable toward and away from each other, the carriers 5 which are supported by these levers 3 and are movable along a plurality of partition levers 26 provided on the pallet 2, and these carriers 5 Attached to the pallet 2
Attachment swivel mechanism 13 that can swivel in the direction of contact and separation of the partition lever 26 provided on the
Attachment to rotate 26 to standby position and partition position
22. A pallet attachment turning device for an automatic palletizer, which is equipped with 22. 2. The pallet attachment revolving device according to claim 1, wherein an attachment revolving mechanism 13 for revolving the attachment mounting member 21 is provided at the tip of an elevating rod provided on the carrier 5 so as to be vertically movable.