JPH05254643A - Palletizing device for film roll - Google Patents

Abstract

PURPOSE:To vertically erect film rolls which are successively transported one by one in horizontal state and automatically piling the film rolls in arrangement in plural rows and plural Lines on a square pallet. CONSTITUTION:A horizontally placed film roll R is erected vertically by a roll reversing device 25 and placed on a transport board 32, keeping the film roll R in vertical state, and then transported before an arrangement board 35, and transferred to the arrangement board 35 by the first pushing-out device 47, and then the second and third film rolls R are successively placed similarly on the arrangement board 35, and the film roll R in the first row is placed on a pallet 1 on a pallet board 10 by the second pushing-out device 50, and the film rolls R in the second and third rows are successively placed on the pallet 1 similarly.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a palletizing device for stacking a plurality of film rolls, which are long rolls of film used for packaging, audio, VTR, etc., on a pallet. It is about.

[0002]

2. Description of the Related Art Various types of palletizing devices for loading cargo on transport pallets are known.
For example, in Japanese Unexamined Patent Publication No. 2-193896, a sheet pallet is laid on a storage pallet in advance, the above-mentioned cargo is loaded on the storage pallet, and then the above-mentioned transportation pallet is placed next to this storage pallet, and the above-mentioned sheet is stored. It is disclosed that a pallet is pulled to move the above-mentioned cargo together with a sheet pallet onto a transportation pallet, and then the sheet pallet is pulled out while holding the cargo. Also,
Japanese Unexamined Patent Publication No. 3-111337 discloses a device capable of rotating horizontally and provided with a gripping tool composed of a pair of left and right air suction pads at the tip of a telescopic arm.

[0003]

However, since the palletizing apparatus described in Japanese Patent Laid-Open No. 193896/1990 uses a sheet pallet, a plurality of cargos loaded on a storage pallet are arranged. Even if they can be simultaneously transferred to a transport pallet without changing the number, it is impossible to stack a plurality of cargos on the above-mentioned sheet pallet one by one in a desired arrangement, let alone a plurality of film rolls. Could not be stacked vertically from the horizontal position.

Further, since the apparatus described in Japanese Patent Laid-Open No. 3-111337 uses a robot hand having a pair of grips at the tip of an arm which can be horizontally rotated and expanded and contracted, an arbitrary shape on a pallet, Although an arbitrary number of cargos can be stacked in a desired arrangement, the structure is complicated and it is not possible to stack a plurality of film rolls vertically from a horizontal position. Therefore, conventionally, in order to load the film roll on the pallet, manual work is required, and in that case, the film roll is large and heavy (for example, diameter 30 to 50 cm, height 50 to 100 cm, weight 10).
Therefore, there is a problem that the operator is very tired and the film roll is easily damaged.

According to the present invention, the film rolls, which are laid sideways and conveyed one by one, are set up vertically and can be stacked on a square pallet while being aligned in a plurality of columns and a plurality of rows. It enables automation of palletizing work without damaging the rolls.

[0006]

SUMMARY OF THE INVENTION According to the present invention, a rectangular pallet having a large number of vertically penetrating gaps is placed on the same rectangular pallet base, and a long composite is formed on one side of the pallet. In a palletizing device for vertically stacking a plurality of film rolls made of a resin film and arranging them in a plurality of columns and rows, a roll reversing device for vertically standing a horizontally oriented film roll on the film roll supply side of the pallet table. And a carrier table for vertically mounting the film roll at a position adjacent to the roll reversing device and carrying it along a guide rail parallel to one side of the pallet table on the film supply side, and the guide rail. And an arranging table installed between the pallet table and the pallet table and capable of stacking a plurality of vertical film rolls in a row parallel to the guide rails. A large number of guide rollers that are provided on the pallet table so as to be able to move up and down and can protrude from the gaps of the pallet on the pallet table to the upper surface of the pallet, and a film roll for pushing the film roll on the transport table onto the alignment table It is a palletizing device for film rolls, which comprises one extrusion device and a second extrusion device for simultaneously extruding film rolls arranged in a row on an alignment table onto a pallet on a pallet table.

[0007]

The above-mentioned roll reversing device is installed at the end of the discharge side of the film supply conveyor that conveys the film roll sideways, and the film roll conveyed by the conveyor is transferred to the roll reversing device while lying sideways. , The film roll is erected vertically with this roll reversing device, and then the film roll on the roll reversing device is transferred to the carrier with the film roll kept vertically, and the carrier is moved to one end side in the length direction of the alignment table. Then, the first extrusion device is driven to transfer the film roll on the alignment table while vertically sliding the film roll while sliding it along the upper surfaces of the transport table and the alignment table. Then, the second film roll conveyed by the supply conveyor is vertically stood in the same manner, transferred to the conveyance table, conveyed to the alignment table, and transferred next to the first film roll on the alignment table. To do. Thereafter, similarly, the film rolls are set up one by one and arranged in order on the alignment table.

After the film roll for one row to be arranged on the pallet is transferred onto the aligning table as described above, the second extruder is driven to move the film roll for one row. Along the top of the pallet and the top of the pallet on the pallet base to the opposite end of the pallet. At this time, a large number of guide rollers installed on the pallet base are raised in advance and the above guide rollers are projected from the pallet gaps onto the pallet, so that the film roll is placed on the guide roller and the film roll Enables smooth movement. Then, by repeating the above, when a predetermined number of film rolls are transferred onto the pallet over a plurality of columns and a plurality of rows, the guide rolls are lowered to be submerged under the pallet, whereby the film rolls. Are dropped on the pallet.

[0009]

1 is a plan view of an embodiment of the present invention.
In FIG. 1, 10 is a square pallet stand,
A roller conveyor (pallet supply conveyor) 21 for feeding an empty pallet 1 to the pallet table 10 is provided above the surface of the pallet table 10, and a pallet 1 in which nine film rolls R are stacked in 3 columns and 3 rows on the left side. Roller conveyors (pallet carry-out conveyors) 22 for sending out are respectively arranged. In the pallet 1 (see FIG. 5), a large number of vertically long plates 1b are fixed in parallel on a rectangular frame 1a at equal intervals, and gaps 1c are formed between the plates 1b to form a pallet base 10 A guide roller 42, which will be described later, is provided so as to project upward from the gap 1c.

On the right side of the pallet supply conveyor 21, a belt conveyor (film transfer conveyor) 23 for laterally transferring the film roll R is provided in a direction perpendicular to the pallet supply conveyor 21. A roll reversing device 25 is provided in front of the end of the film transport conveyor 23 (on the left side of FIG. 1). As shown in FIG. 3, the roll reversing device 25 includes an L-shaped pedestal 26 in which a long plate 26a in the horizontal direction and a short plate 26b in the vertical direction are combined, and the L-shaped pedestal 26 is rotatable at a corner portion. A horizontal shaft 27 for supporting, a fan-shaped worm gear 28 fixed to the horizontal shaft 27, and a worm 29 that meshes with the fan-shaped worm gear 28 are provided. Is rotated 90 degrees and the long plate 26 of the L-shaped pedestal 26 is rotated.
The direction of the film roll R placed horizontally on a is changed so that it stands upright on the short plate 26b.

Further, above the end portion of the film transport conveyor 23 (see FIG. 2), the film roll R on the film transport conveyor 23 is moved to L of the roll reversing device 25.
A film discharge lever 30 for pushing the film onto the character-shaped receiving table 26 is provided in a hanging shape, and swings in parallel with the film transport conveyor 23 by driving a fluid cylinder (not shown).

A pair of guide rails 31 are laid in parallel with the pallet supply conveyor 21 on the floor in front of the roll reversing device 25 (on the left in FIGS. 1 and 2).
A carrier table 32 that can reciprocate from the front surface of the L-shaped receiving table 26 in the upright position to an arbitrary position in the longitudinal direction of the aligning table 35 described later is placed on the table 1. The transport table 32 is one in which the film roll R can be placed upright on the upper surface, and a large number of rollers 33 having an axis parallel to the guide rails 31 are provided on the upper surface. The height of the upper surface of the short plate 26 of the L-shaped pedestal 26 in the standing position
b Set at the same height as the surface. The film roll R standing upright on the L-shaped pedestal 26 in the upright position (rightward in FIG. 4) is placed on the carrier 32.
An extruding air cylinder 34 for pushing out is installed.

As shown in FIG. 1, an alignment table 35 is installed between the guide rail 31 of the transfer table 32 and the pallet table 10. The alignment table 35 is a table for aligning one vertical row of the film rolls R stacked on the pallet 1 (three film rolls R in this embodiment) and the transfer table 32 and It has approximately the same width and approximately the same length as the pallet 1, and has a large number of rollers 36 (FIG. 5) on its upper surface.
Are arranged, and the upper surface thereof forms a horizontal plane having the same height as the upper surface of the roller 33 of the carrier 32. The rollers 36 on the alignment table 35 are thin disc-shaped, and are made so thin that one film roller R does not ride on one roller 36 at the same time.

The pallet base 10 located in front of the aligning base 35 (on the left side in FIG. 5) is formed in the shape of a box having the same size as the pallet 1, and has a large number of spherical rollers rotatable on its upper surface in any direction. 11 is provided. An elevating table 40 that is driven up and down is provided inside the box-shaped pallet table 10, and a large number of skewer brackets 4 are provided on the upper surface of the elevating table 40.
1 is projected in a large number of columns and a large number of rows, and each skewered bracket 41
A small-diameter disk-shaped guide roller 42 is attached to the tip of the guide table 42, and the top of the guide roller 42 projects upward from the gap 1c of the pallet 1 on the pallet table 10 when the elevating table 40 is raised. A flat surface having the same height as that of the pallet table 10 is formed so that the guide rollers 42 sink downward from the edge of the pallet table 10 when the elevator table 40 descends.

On the other hand, the upper rear side of the guide rail 31 (see FIG. 1,
(See FIG. 5), a pair of left and right air cylinders 45, 45 are installed side by side in parallel, and the tips of the piston rods 46, 46 are connected to the left and right of a push plate 47 having a length substantially equal to that of the alignment table 35. A first extrusion device for transferring the film roll R on the transport table 32 onto the alignment table 35 is formed. Further, as shown in FIG. 1, a slide guide 48 is installed on the floor from the end of the guide rail 31 toward the pallet base 10, and a screw shaft (not shown) built in the slide guide 48 is driven. An arm 50 extending in parallel with the push plate 47 under the push plate 47 is fixed to a columnar bracket 49 that slides on the slide guide 48, whereby the film rolls arranged in a line on the alignment table 35. A second extrusion device is formed to transfer R onto the upper surface of the pallet 1 on the pallet table 10.

In the above structure, when the film roll R conveyed by the film supply conveyor 23 reaches the side of the roll reversing device 25, the discharging lever 30 is driven, and the film roll R is L of the roll reversing device 25.
It is transferred to the character-shaped receiving table 26, and then the ejection lever 30 is returned to the original standby position. Then, the roll reversing device 25
The worm 29 of the L-shaped pedestal 26 is driven, the L-shaped pedestal 26 in the horizontal position is rotated by 90 degrees, and
The sideways film roll R turns on a and stands on the short plate 26b. At this time, as shown by the solid line in FIG. 1, the carrier table 32 is stopped at the front part of the L-shaped receiving table 26 in the upright state, so that the pushing air cylinder 34 drives the L-shaped receiving table 26. The film roll R standing upright is pushed out onto the carrier 32.

When the film roll R is transferred onto the carrier 32, the carrier 32 is aligned along the guide rails 31 according to a preset program.
Of the first extrusion device 45, 4
6, 47 are driven, the film roll R is transferred from the carrier 32 to the alignment table 35, and the first extrusion device 4 is
5, 46, 47 and the carrier 32 are returned to their original positions. Then, the next second film roll R is transported to the central portion of the alignment table 35 by the transport table 32, and is transferred to the alignment table 35 by the above-mentioned first extrusion devices 45, 46 and 47. Further, the third film roll R is provided on the alignment table 35.
After being conveyed to the other end of the first extrusion device 45, 46,
It is moved to the alignment table 35 by 47.

When the three film rolls R corresponding to one row on the pallet 1 are transferred onto the alignment table 35 as described above, the columnar bracket 49 of the second extruder is placed on the slide guide 48. 1 to the position indicated by the chain line in FIG. 1, and the three film rolls R on the alignment table 35 are conveyed to one end on the pallet 1 that has been previously transferred onto the pallet table 10 via the arm 50 on the columnar bracket 49. .. At this time,
Since the guide rollers 42 inside the pallet table 10 are pushed up by the elevating table 40 and project upward from the gap 1c of the pallet 1, the film roll R is smoothly moved.

Then, the columnar bracket 49 of the second extrusion device is returned to its original state, and when the three film rolls R corresponding to the second row are placed on the alignment table 35, the columnar bracket 49 is again formed. Moving forward, the film roll R in the second row is carried to the center of the pallet 1. Similarly, after the columnar bracket 49 is returned to its original state, when three film rolls R corresponding to the third row are placed on the alignment table 35, the columnar bracket 49 moves forward to move the third row. The film roll R is conveyed to the other end of the pallet 1.

When the loading of the film rolls R onto one pallet 1 is completed in this way, the elevator 40
Is lowered and the guide rollers 42 are retracted from the gap 1c of the pallet 1 so that each film roll R is lowered onto the pallet 1. Further, the guide table 42 is lowered below the edge of the pallet table 10 by lowering the elevator 40. After being sunk, the pallet 1 loaded with the film rolls R is transferred from the pallet table 10 to the pallet carry-out conveyor 22.

[0021]

As described above, according to the present invention, the film rolls conveyed laterally can be automatically set up one by one, and can be arranged and loaded on the pallet in the upright posture. The purpose of labor saving can be achieved. Further, in the present invention, a pallet having a large number of openings is used as the pallet, and a large number of guide rollers are provided on the pallet base so as to be movable up and down. By making the pallet protrude from the gap between the pallets, the movement of the film roll on the pallet can be smoothed. Also, by sinking the above guide roller, the film roll on the guide roller is lowered onto the pallet,
It is possible to safely palletize the film roll without damaging the film roll or falling the film roll.

[Brief description of drawings]

FIG. 1 is a plan view of an embodiment.

FIG. 2 is a side view of an end of a film transport conveyor.

FIG. 3 is a front view of a roll reversing device.

FIG. 4 is a side view of a roll reversing device and a carrier.

FIG. 5 is a side view of a carrier table, an alignment table, and a pallet table.

[Explanation of symbols]

 R: Film roll 1: Pallet 1c: Pallet gap 10: Pallet stand 25: Roll reversing device 31: Guide rail 32: Conveyor stand 35: Alignment stand 40: Elevating stand 41: Skew bracket 42: Guide roller 45: First Fluid Cylinder of Extruder 47: Push Plate of First Extruder 48: Sliding Guide 49: Columnar Bracket of Second Extruder 50: Arm of Second Extruder

Claims (1)

[Claims] 1. A film made of a synthetic resin film which is long on one side of a pallet having a rectangular pallet having a plurality of vertically penetrating gaps and is placed on the same pallet base as the pallet. In a palletizing device for vertically stacking a plurality of rolls and arranging them in a plurality of rows and a plurality of rows, a roll reversing device for vertically standing a lateral film roll on the film roll supply side of the pallet table, and the roll reversing device. Between the guide rail and the pallet base, a carrier for vertically mounting the film roll at a position adjacent to the apparatus and for carrying along a guide rail parallel to one side of the pallet base on the film supply side. An aligning stand installed between them, which can stack a plurality of vertical film rolls in a line parallel to the guide rails, and the pallet stand A plurality of guide rollers that are provided to be movable up and down in the pallet table and that can project from the gap of the pallet on the pallet table to the upper surface of the pallet; and a first extrusion device for pushing the film roll on the transport table onto the alignment table. , A palletizing device for film rolls, which comprises a second extrusion device for simultaneously extruding film rolls arranged in a row on an alignment table onto a pallet on a pallet table.