JPH07187418A - Automatic supplyer for protection material for tile stacked on pallet - Google Patents

Abstract

PURPOSE:To carry out an automatic supply by holding and moving a protection material used for the protection, etc., of the tile piled on a pallet per one sheet and supplying and loading it on the upper end of the bound tile piled on the pallet. CONSTITUTION:A holding unit 12 is composed of a hollow frame material 14 consisting of the frame shape with a hollow section, plural suction boards 16 for sucking and holding a protection material 30 installed with some clearance on the bottom surface of the hollow frame material 14 and an elevation means 18 for elevating the hollow frame material provided on the upper surface of the hollow frame material 14 and is connected to a running means 34 and also the hollow frame material 14 is connected to a blower 46 through a switcher 42 for switching air pressure for holding or detaching/attaching the protection material 30.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic feeder for a protective material used for protection of tiles on pallets of tile products.

[000 2]

2. Description of the Related Art Pallet roof tiles of roof tile products bound by packing materials have a sheet-like protective material, for example, a sheet-like protective material, on the upper end of the pallet roof tiles in order to prevent damages during cargo handling and transportation. Urethane rubber sheets, cardboards, etc. are supplied and mounted. Both the supplying and mounting of the protective material on the pallet stack tiles are performed manually by workers.

[0003]

However, since the conventional pallet roof tiles are supplied and loaded with the above-mentioned conventional protective materials on a pallet roof tile surface in a wide range, and the protective material is not easy to handle, a lot of work time is required. However, it is not preferable because a large amount of pallet stack tiles may not be able to efficiently supply and mount the protective material.

The present invention has been made to solve the above-mentioned problems, and an object thereof is to grasp and move the stacked protective materials one by one, and supply and mount the protective materials on the upper end of the bound pallet stack tiles. Another object of the present invention is to provide an automatic supply device for a protective material for pallet roof tiles that can automatically supply.

[0005]

In order to achieve such an object, the present invention comprises a gripping unit for gripping a protective material on a support structure and a traveling means for moving the gripping unit, and moving the gripping unit. In the automatic protective material supply device that supplies the protective material to the upper end of the pallet stack tile,
The holding unit is provided on the upper surface of the hollow frame member, a hollow frame member having a frame shape with a hollow cross section, a plurality of suction plates that are attached to the bottom surface of the hollow frame member at a distance and hold the protective member by suction. And a moving means for moving the hollow frame material up and down, and the hollow frame material is connected via the switching device for switching the air pressure for gripping or removing the protective material. An edge holding means connected to a blower and holding the edges of the protective material inside the opposite frame portions of the hollow frame material of the holding unit, respectively, the edge holding means is A support shaft is provided at the center of the frame in the length direction, and a central corner member with a suction plate is provided at the ends of both arm members attached to the support shaft, so that the attachment angle of both arm members can be adjusted. An adjustment tool is provided, and in addition, Isuzu at the same height, at a position close to the four corners of the protective timber, and a peeling device for peeling the protective timber gripped by Kasanea' characterized in that projecting on the four corners.

[0006]

In this way, the gripping unit sucks and holds the stacked protective materials one by one and moves them to the position of the pallet stack tiles bound by the traveling means, and the gripped protective material is transferred to the pallet stack tiles. It is detached from the upper end and supplied and mounted. When the edges of the stacked protective materials are curved, the protective material is gripped and moved by the edge gripping means so as to match the curved edge. Furthermore, the protective material that is overlapped and gripped by the peeling tool that is projected at the four corners is peeled off, and the protective material is sucked and gripped one by one and moved,
A large number of protective materials are automatically and efficiently supplied to the upper end of pallet stack tiles.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an overall configuration diagram of an automatic feeder for a protective material for pallet stack tiles showing an embodiment of the present invention, FIG. 2 is a configuration view taken along the line II-II of FIG. 1, and FIG. 4 is a plan view of FIG. 3, FIG. 5 is a cross-sectional view of essential parts showing another embodiment of the present invention, and FIG. 6 is an operation explanatory view of the peeling tool.

1 and 2, the automatic supply device 10 is provided with a gripping unit 12, a traveling means 34 and the like, both of which are provided on the upper part of the support structure member 34. Reference numeral 30 denotes a sheet-shaped or flat-plate-shaped protective material stacked on the table lifter 32, and, for example, a urethane rubber sheet, a corrugated paperboard or the like is suitable. Reference numeral 38 denotes a pallet pile roof tile that forms a product bundled by using packing materials and the like.
They are stacked on top of each other and can be transported.

The holding unit 21 has a hollow frame member 14 having a hollow cross section, for example, a rectangular hollow cross section and a rectangular frame shape.
A plurality of suction plates 16 attached to the bottom surface of the hollow frame member 14 at openings having a predetermined distance, and the hollow frame member 14
And a lifting means 18 such as a pneumatic cylinder provided on the upper surface of the.

Further, an air port 20 is opened in a part of the upper surface of the hollow frame member 14, and the hollow frame member 1 is further provided.
A plurality of guide members 22 are provided on the upper surface of 4 at positions apart from the elevating means 18, and the elevating means 18 and the guide members 22 are provided.
And the like are supported by a support member 24, and the gripping unit 12 is mounted on the support structure member 28 by a wheel 26 attached to the lower surface of the support member 24 and a rail (not shown) on the upper surface of the support structure member 28. It has been placed.

A traveling means 34 composed of a pneumatic cylinder or the like is horizontally provided above the support structure 28, and the reciprocating movement of the traveling means 34 causes the gripping unit 12 to move.
Is allowed to travel horizontally between the position of the protective material 30 on the table lifter 32 and the position of the pallet stack tile 38.

Reference numeral 42 denotes a switch, which is provided on the upper part of the support structure 28, and a pipe 48 is connected between the air port 20 and the switch 42, and the switch 42 further has a pipe 50 for the blower 46. Connected with.

The gripping unit 12 is moved so as to come to the original position above the table lifter 32, and the suction plate 1 is lifted by raising the table lifter 32 and lowering the elevating means 18.
The end face of 6 is brought into contact with the uppermost end of the protective member 30, and the blower 4
The air pressure inside the hollow frame member 14 remains negative under the operation of 6 and the switching of the flow path by the switch 42, and the uppermost protective member 30 is adsorbed and gripped by the suction force of the air. While the suction gripping state is maintained, the elevating means 18 is lifted up, and then the traveling means 34 is used to move the gripping unit 12 to the position indicated by the chain line 12 '. Subsequently, the elevating means 18 is lowered, and the air pressure of the hollow frame member 14 becomes a normal pressure state under the flow path switching by the switching device 42 to release the air suction force, and the adsorption action of the suction plate 16 causes the above-mentioned desorption. The protective material 30 is supplied and mounted on the upper end of the pallet stack tiles 38 bound as shown by the solid line 30A.

Thus, the gripping unit 12 is moved back to the original position, and the protective material 30 is continuously supplied to the upper end of the pallet stack tile 38 one by one, and the automatic supply is continuously performed.

Next, the overall operation of the automatic feeder according to the embodiment of the present invention will be described with reference to FIGS.

After the end of the previous supply cycle of the automatic supply device 10, the original position of the gripping unit 12 is the table lifter 32.
Is located above.

When the limit switch LS1 detects that the pallet on which the bound pallet stack tiles are stacked is transported by the transport conveyor 40, the start signal of the blower 46 is started and the flow path of the switch 42 is switched by the detection signal. An operation command for the descending operation of the elevating means 18 is output.

The table lifter 32 has a protective material 3
0s are stacked and the table lifter 32 is operated by button operation.
Is started and is raised to a predetermined height. At this time, the photoelectric sensor P mounted near the upper end position of the protective member 30
When H detects the light reception, the rising operation of the table lifter 32 is continued by this detection signal, and when the photoelectric sensor PH detects the light blocking, the stop operation command of the rising of the table lifter 30 is output by this detection signal.

As the elevating means 18 descends, the hollow frame member 14 descends and the end face of the suction plate 16 comes into contact with the uppermost end of the protective member 30, and the blower 46 is operated and the flow path is switched by the switch 42. The air pressure inside the hollow frame member 14 is kept negative, and the protective material 30 at the uppermost end is attracted by the suction force of air.
Is held by suction, and a predetermined time is delayed by a timer operation (not shown) to ensure the suction grip, and then the raising and lowering means 18 is raised, and after the raising operation is completed, the traveling means 34 is retracted. The operation is performed, that is, the gripping unit 12 is moved to the position 12 while gripping one piece of the protector 30, is stopped, and stands by.

On the other hand, when the limit switch LS2 detects that the pallet has been transported to the predetermined position on the transport conveyor 40, that is, the supply position of the protective material 30, the lowering operation of the elevating means 18 is performed by this detection signal. After the end of the lowering operation, the operation command for switching the flow path of the switch 42 and the ascending operation of the elevating means 18 is output, and under such a state, the protective material 30 is attached by the detaching action of the suction cup 16.
Is supplied and mounted on the upper end of the pallet stack tile 38 as indicated by the solid line 30A.

Subsequently, the traveling means 34 is pushed out to move the gripping unit 12 to its original position and return it, and at the same time, the pallet roof tile 38 on which the protective material 30A is mounted.
Is conveyed to the next step, one supply cycle of the automatic supply device is completed, and the next supply cycle is automatically performed.

Also, limit switches L3 and L4
When loading the protection member 30 on the table lifter 32 by using a cargo handling machine, respectively.
It is used to lower the
The stop of descending is detected by L4.

In FIGS. 3 and 4, edge holding means 68 are provided inside the opposing frame portions 14a, 14a of the hollow frame member 14, respectively, and the edge portion of the stack protection material 30 is shown by a dotted line. In the case of the curved portion 30a having a different shape, the protective material 30 is reliably gripped and moved by the edge gripping means 68 so as to coincide with the curved portion 30a.

A support shaft 52 is provided at a central portion in the longitudinal direction of the frame portions 14a, 14a via a member 54, and both arm members 56, 56 are attached to the boss portion of the support shaft 52 while being inclined downward. Then, hollow corner members 60, 60 having suction cups 60, 60 are provided at the ends of both arms 56, 56.
Air ports 20 and 20 are opened in 60, and both are connected to piping. Further, reference numerals 62 and 62 denote adjustment tools attached to the frame portion 14a, and the attachment angles of the both arm members 56, 56 are adjustable. In this way, even when the edge portion of the protective material 30 is curved, the protective material 30 can be reliably gripped and moved one by one, and automatically supplied to the upper end of the pallet stack tile. .

In FIGS. 5 and 6, reference numeral 64 denotes a peeling tool, for example, a piano wire or the like is suitable, and is close to the four corners of the protective material 30 at approximately the same height as the upper end of the protective material 30 stacked. The tip of the peeling tool 64 is attached to the column 66 at these positions, and the tip of the peeling tool 64 projects toward the four corners.

Depending on the stacking state of the protective material 30 and the like, as shown in FIG. 5, the two protective materials 30 may be sucked and gripped by the suction plate 16 of the gripping unit 12 while being stacked. However, as shown in FIG. 6, when the lifting unit 18 raises the gripping unit 12, the peeling tool 64 is elastically moved to form a gap between the upper material 30b and the lower material 30c at the four corners of the protective material 30. As it is inserted and projected, an air layer is formed in the gap and easily peeled off, and only one upper material 30b is adsorbed and gripped to be supplied to and stacked on the pallet stack tile 38, The lower material 30c descends onto the protective material 30 stacked on the table lifter 32. Thus, the pallet stack tiles 38 are efficiently and automatically supplied one by one.

[0027]

As described above, according to the present invention,
Since the stacked protective materials can be automatically supplied to the upper end of the pallet stack tiles one by one, it is possible to efficiently perform the supply operation and prevent the pallet stack tiles from being damaged during cargo handling and transportation. In addition, even if the edges of the stacked protective materials are curved, it can be automatically supplied to the upper end of the pallet stack tile without any trouble, and even if the protective materials are stacked and gripped, they are peeled off one by one. Therefore, a large number of protective materials can be efficiently and automatically supplied to the upper end of the pallet stack tile, which is a great effect.

[Brief description of drawings]

FIG. 1 is an overall configuration diagram of an automatic feeder for protective material for pallet roof tiles showing an embodiment of the present invention.

FIG. 2 is a configuration diagram taken along the line II-II in FIG.

FIG. 3 is a cross-sectional view of essential parts showing another embodiment of the present invention.

FIG. 4 is a plan view of FIG.

FIG. 5 is a cross-sectional view of essential parts showing another embodiment of the present invention.

FIG. 6 is an operation explanatory view of the peeling tool.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Automatic supply device 12 Gripping unit 14 Hollow frame material 16 Adsorption board 18 Elevating means 28 Supporting structure material 30 Protective material 34 Traveling means 38 Pallet stack tile 42 Switcher 46 Blower 52 Spindle 56 Arm material 58 Hollow corner material 60 Adsorption board 62 Adjusting tool 64 Peeling tool 68 Edge gripping means

Claims (3)

[Claims] 1. A protective material automatic supply device, comprising: a gripping unit for gripping a protective material on a supporting structure; and a traveling means for moving the gripping unit, wherein the gripping unit is moved to supply the protective material to the upper end of the pallet stack tile. In the supply device, the gripping unit includes a hollow frame member having a frame shape with a hollow cross section, a plurality of suction plates for sucking and gripping the protective material attached to the bottom surface of the hollow frame member at intervals, and the hollow frame member. A switching device for lifting and lowering a hollow frame member provided on the upper surface of the hollow frame member, connected to the traveling means, and for switching the air pressure for gripping or removing the protective member. An automatic feeder for protective material for pallet roof tiles, characterized in that it is connected to a blower via. 2. An edge holding means for holding an edge portion of the protective material is provided inside both of the facing frame portions of the hollow frame member of the holding unit, and the edge holding means has a length of the frame portion. A support shaft is provided at the center in the vertical direction, a hollow corner member with a suction plate is provided at the end of both arm members attached to the support shaft, and an adjusting tool for adjusting the attachment angle of the both arm members is provided. The automatic supply device for protective material for pallet stack tile according to claim 1. 3. A peeling tool for peeling off the protective material which is overlapped and gripped is provided at a position close to the four corners of the protective material at substantially the same height as the upper end of the stacked protective material, and the four corners. The automatic supply device for the protection material for pallet stack tile according to claim 1, wherein the automatic supply device is provided with a protrusion.