JPH0416424A - Apparatus for unloading stacked sheet-like article - Google Patents

Abstract

PURPOSE:To automate unloading operation in carton paper sheets and the like by carrying a layered product stacked in plural stages via a spacer to an unloading position, sequentially unloading the from the block on the uppermost stage and collecting the spacer. CONSTITUTION:A palette 5 with layered product 4 stacked is loaded on a carry-in belt conveyer 14, carried in an X direction to be mounted on a roller table 15 at an unloading position and positioned. Then an engaging body 21 having a claw 25 rocking in a Y direction is moved and positioned to cover one of blocks 2 on the uppermost layer, the claw 25 is engaged with the bottom of the block 2 and the block 2 on the uppermost stage is carried to a carry-out conveyer 20 by elevating movement of the engaging body 21. This sequence is repeated. An empty spacer 3 is sucked by a suction pad 43 of a spacer recovering means 10 to be carried to a recovery base 44. This constitution can automate unloading operation.

Description

Detailed Description of the Invention (Field of Industrial Application) The present invention is directed to stacking sheet-like articles such as paper carton blanks and paper carton paper to form blocks, and stacking these blocks in multiple stages via spacers to form a laminate. From that,
The present invention relates to a device for shipping the blocks.

(Prior art) For example, a paper carton die-cutting blank that has been printed and die-cut by a printing die-cutting machine is fed to a sack pasting machine and formed into a paper carton. Laminated.

In this case, if too many punched blanks are stacked, they will collapse during transportation, so first a certain number of blanks are stacked to form a block, and this block is stacked in multiple layers via spacers to form a laminate.

Conventionally, the work of unloading blocks from the laminate has been done manually by humans.

(Problem to be solved by the invention) However, the blocks that make up the laminate are heavy and there are a huge number of them in one workplace, and it takes a lot of effort and a large number of hands to manually load them. and
Labor saving is desired.

Therefore, an object of the present invention is to provide an unloading device that can contribute to automation of unloading work of blocks from such a laminate.

(Means for Solving the Problems) The loading device according to the present invention is characterized by stacking sheet-like articles to form a block, and stacking the blocks in multiple stages via spacers to form a laminate. The apparatus for stacking the blocks includes a carrying means for carrying the stacked body to a block loading/unloading position, and an engaging body that can be freely engaged and detached from the uppermost block of the stacked body. A block loading/unloading means for loading and unloading the blocks from the loading/unloading position, a carrying-out means for carrying out the loaded and unloaded blocks from the loading/unloading position, and a spacer for the top layer of the stacked body,
The present invention also includes a spacer recovery means for carrying out the spacer from the loading/unloading position.

In this case, the engaging body can be freely engaged and detached from the bottom of the block,
In order to use this engaging body to lift the block and load/unload the block, the engaging body is equipped with a drive mechanism that moves the engaging body vertically and laterally, and the engaging body is guided to the top surface of the spacer and below the bottom surface of the block. , it is preferable that a recessed portion is formed.

Alternatively, the engaging body can be freely engaged and detached from the side of the block,
It is preferable to include a drive mechanism that moves the engaging body laterally so that the engaging body pushes the block in the horizontal direction to load and unload the block.

Preferably, each layer of the laminate has a plurality of blocks, and a space is formed between the blocks in each layer in the lateral direction so that the engaging body can be guided to the side of the blocks.

(Function) According to the configuration of the present invention, the laminate is carried into the block loading/unloading position by the carrying means. In this unloading position, the uppermost block of the stack is unloaded from the stack onto the unloading means by the engaging body of the block unloading means. This unloaded block is carried out from the loading and unloading position by the carrying out means.

Then, when the uppermost block is unloaded, the spacer serving as the uppermost layer of the stack is carried out from the unloading position by the spacer recovery means.

By repeating the above operations, blocks are sequentially stacked from the upper layer of the stack.

If the engaging body of the loading/unloading means is removable from the bottom surface of the block, the loading/unloading operation is performed by raising and lowering the engaging body and moving it laterally using a drive mechanism. In this case, the block is lifted and conveyed by the engaging body, and is suitable for conveying a stack of sheet-like articles.

When the engaging body engages with the bottom surface of the block, since a recess is formed on the top surface of the spacer, a gap is created between the bottom surface of the block and the spacer, and the engaging body is guided to the bottom surface of the block through this gap. I can do it.

When the engaging body of the loading/unloading means is removable from the side surface of the block, the loading/unloading operation is performed by moving the engaging body laterally using a drive mechanism. In this case, the blocks are pushed laterally by the engaging bodies and unloaded.

By forming a plurality of blocks in each layer of the laminate, and forming intervals for guiding the engaging body between the blocks in each layer in the lateral direction, the engaging body can be easily engaged with the blocks in each layer.

(Example) Hereinafter, the present invention will be described in detail with reference to the drawings.

FIG. 1 shows a loading device 1 according to a first embodiment, in which punched paper carton blanks are stacked to form a block 2, and the blocks 2 are stacked in multiple stages via spacers 3 to form a laminate 4. Then, the block 2 is shipped.

The punched blanks are printed with a gravure printing machine (not shown), punched out with a punching machine, cutting machine, etc., and then stacked to form a laminate 4.

In this embodiment, four blocks 2 are arranged in two rows in each layer of the laminate 4 and stacked in two layers, but the number of blocks in each layer and the number of stacked blocks are not particularly limited.

Further, in this embodiment, the stacked bodies 4 are stacked on a pallet 5 and transported to the unloading device 1, but the pallet 5 is not essential.

Then, the blocks 2 loaded and carried out from the stacked body 4 by the loading device 1 are supplied to the next process of a sack pasting machine (not shown). molded.

The loading device 1 includes a main body frame 6 and a carrying means 7 for carrying the laminate 4 into a loading/unloading position in the center of the main body frame 6.
and an unloading means 8 for unloading the block 2 from the loading/unloading position (hereinafter, in the first embodiment, the loading/unloading direction is referred to as the X direction, and the lateral direction orthogonal to this is referred to as the Y direction). .

The stacking device 1 also includes a block loading/unloading means 9 for loading and unloading the uppermost block 2 of the stacked body 4, and a spacer recovery means 10 for carrying out the uppermost layer of spacers 3 of the stacked body 4 from the loading/unloading position. There is.

The main body frame 6 is constructed by supporting a frame 12 with a plurality of pillars 11.

The carrying-in means 7 is constituted by a carrying-in belt conveyor 14 that is driven to revolve between a pair of side walls 13.

In this embodiment, a roller table 15 is provided at the loading/unloading position. This roller table 15 has a plurality of rotationally driven rollers 16 on its upper surface.
6 supports the pallet 5 so that it can be freely conveyed in the X direction.

Further, the roller table 15 can be driven up and down via a link mechanism 17, and in order to collect the pallet 5 from the lowered roller table 15, the conveyor belt 1
A belt conveyor 18 for collecting pallets is provided below the pallet conveyor 4.

The carrying-out means 8 is constituted by a carrying-out belt conveyor 20 between a pair of side walls 19. The block 2 carried out by this carrying-out belt conveyor 20 is supplied to a sack pasting machine (not shown) or the like.

The block loading/unloading means 9 includes an engaging body 21 and a drive mechanism 22 that drives the engaging body in the X, Y, and up and down directions.

As shown in FIG. 2, the engaging body 21 includes a pair of opposing side plates 23, a connecting plate 24 at the upper end of the both side plates 23, and a claw 25 attached to the lower end of each side plate 23. There is. The spacing between the side plates 23 facing each other is larger than the width of the block 2, and the claws 25 are swingable via a cam (not shown) or the like. In this embodiment, a fluid pressure cylinder is built into the connecting plate 24, and the both side plates 23 are attached to the fluid pressure cylinder via an extendable rod. As a result, the opposing distance between the side plates 23 is made variable in the Y direction, and the side plates 23
3, it is possible to align the blocks 2 with the blocks 2 in between.

Further, the spacer 3 is a so-called corrugated plate formed so that its front and back surfaces are uneven, and a groove-shaped recess 26 is formed between the block 2 and the spacer 3.

As a result, as shown in FIG.
By swinging the claw 25 from the state shown in FIG. 2 to the state shown in FIG. 3, the claw 25 is guided from the recess 826 of the spacer 3 to below the bottom surface of the block 2.

At this time, the side plate 23 of the engaging body 21 has a comb-teeth shape in side view so that the side plate 23 of the engaging body 21 does not interfere with the convex portion of the spacer 3.

After that, when the engaging body 21 is raised by the drive mechanism 22, the block 2 is lifted by the engaging body 21, and the engaging body 21 is conveyed by the driving mechanism 22 to above the conveyor belt conveyor 20 for carrying out, and its claw 25 is By swinging and releasing the engagement with the block 2, the block 2 is unloaded onto the belt conveyor 20 for carrying out.

The drive mechanism 22 includes an X-direction moving body 30 and a Y-direction moving body 31 in this embodiment. The X-direction movable body 30 is attached to a pair of X-direction guide rods 32 that extend over the main body frame 6, and is guided in the X-direction. Further, an X-direction feed screw 33 is mounted on the main body frame 6, and a feed nut 34 screwed onto the X-direction feed screw 33 is attached to the X-direction movable body 30, and the X-direction feed screw 33 is rotationally driven. A motor 35 is attached to the main body frame 6.

The Y-direction movable body 31 is arranged in a notch 36 in the center of the X-direction movable body 30, and is attached to a pair of Y-direction guide rods 37 that extend over the X-direction movable body 30 and guided in the Y direction. be done. Further, a Y-direction feed screw 38 is mounted on the X-direction moving body 30, and a feed nut 39 that is screwed onto the Y-direction feed screw 38 is attached to the Y-direction moving body 31.
The motor 40 that rotationally drives the Y-direction feed screw 38 is
It is attached to the direction moving body 30.

Further, a fluid pressure cylinder 41 that is vertically expandable and retractable is attached to the Y-direction moving body 31, and this fluid pressure cylinder 41
The engaging body 21 is attached to a telescoping rod 42 . As a result, the engaging body 21 is driven in the X direction by the movement of the X direction moving body 30, in the Y direction by the movement of the Y direction moving body 31, and in the vertical direction by the expansion and contraction of the fluid pressure cylinder 41.

The spacer recovery means 10 includes a pair of vertically expandable hydraulic cylinders 4 attached to a Y-direction moving body 31.
2, and a suction pad 43 attached to the telescopic rod of each fluid pressure cylinder 42. The suction pad 43
is connected to a vacuum pump (not shown).

As a result, the fluid pressure cylinder 42 causes the suction pad 4 to
By lowering the spacer 3, the spacer 3 on the uppermost layer of the stack 4
can be adsorbed. Thereafter, by moving the suction pad 43 by the drive mechanism 22, the spacer 3 is carried out from the stacked body 4, and then transferred to the carrying-in belt conveyor 14.
The suction pad 43 is transported to the collection stand 44 above.
By canceling the adsorption by , it can be placed on the recovery table 44 . Note that the recovery stand 44 is attached to the main body frame 6 via a bracket 45.

Note that the transportation of the spacer 3 by the spacer recovery means 10 is not limited to the one using the suction pad 43, and may be transported via a claw that can be freely engaged and detached from the bottom surface of the spacer 3, for example.

The above-mentioned unloading device 1 is driven and controlled by a control device (not shown) together with a sack pasting machine and the like. The operation of the above configuration will be explained below.

First, the pallet 5 on which the laminates 4 are stacked is loaded onto the delivery belt conveyor 14. This loading can be done using a forklift, an automatic guided vehicle, etc., or the block 2, spacer 3, etc.
Alternatively, the pallets 5 may be directly transported by a belt conveyor 14 from a stacking device that stacks the pallets 5 to form the laminate 4.

Next, the pallet 5 on which the laminates 4 are stacked is conveyed in the X direction by the carry-in belt conveyor 14 and placed on the roller table 15 at the loading/unloading position.

At this time, the rotation of the rollers 16 of the roller table 15 assists in the reloading, and when the stacked body 4 is positioned at a certain position, it is stopped.

The stacked body 4 can be positioned in the X direction as appropriate, for example by providing a sensor for detecting the position of the pallet 5.

In addition, the arrangement of the laminate 4 with respect to the pallet 5 and the laminate 4
The arrangement of the blocks 2 and spacers 3 and the number of loading stages are determined in advance before carrying in by the carrying belt conveyor 14.

Alternatively, before the blocks are loaded and unloaded by the block loading/unloading means 9, a sensor for detecting their arrangement and an actuator for aligning them at a predetermined position may be provided as appropriate.

In this embodiment, the side surfaces of the blocks 2 in each layer of the stacked body 4 are along approximately the XY direction, and an interval 50 for guiding the engaging body 21 is formed between the blocks 2 in each layer in the Y direction.

Further, the longitudinal direction of the recess 26 of the spacer 3 is along the Y direction.

Next, an engaging body 2 having a claw 25 that swings along the Y direction
1 is moved by a drive mechanism 22 to cover one block 2 on the top layer as shown in FIG. Then, the claw 25 of the engaging body 21 is engaged with the bottom surface of the block 2.

After that, the block 2 is lifted up by the engaging body 21 and conveyed to the belt conveyor 20 for carrying out, and the engagement between the bottom surface of the block 2 and the claw 25 is released here, so that the block 2 is transferred to the belt conveyor 20 for carrying out. Load and unload on top. The block 2 is carried out from the unloading position by the carrying-out belt conveyor 20 and is supplied to a sack pasting machine or the like.

In the above embodiment, the engaging bodies 21 engage the blocks 2 one by one, but the engaging bodies 21 may have a larger dimension in the X direction and engage multiple blocks 2 arranged in a row at once. good. Further, the side plates 23 of the engaging body 21 may be opposite to each other in the X direction.

When all the blocks 2 in the uppermost layer of the stacked body 4 are unloaded by repeating the above operation, the spacer recovery means lO
The suction pad 43 is lowered by the fluid pressure cylinder 42, and the spacer 3, which is the uppermost layer of the stacked body 4, is suctioned. Thereafter, the drive mechanism 22 transports the spacer 3 attracted to the suction pad 43 to above the collection table 44, and then the spacer 3 is placed on the collection table 44 by releasing the adsorption of the spacer 3.

Next, the block 2, now located at the top layer of the stacked body 4, is unloaded again in the same manner as above.

By repeating the above operation, all the blocks 2 are loaded from the stack 4 and all the spacers 3 are collected. By lowering the roller table 15 and driving the rollers 16, the pallet 5 is transferred to the pallet collecting belt. It is carried onto the conveyor 18 and transported to a collection position (not shown).

According to the unloading device 1, blocks 2 are sequentially unloaded from the unloading means 8 by simply placing the laminate 4 on the unloading means 7, contributing to automation of the process of supplying punched blanks to a sack pasting machine, etc. It is possible.

Further, the block loading/unloading means 9 is adapted to unload the stacked body 4 by lifting the block 2, and is therefore suitable for stacking sheet-like articles such as punched blanks.

Note that the block loading/unloading means 9 is not limited to the above-mentioned embodiment, and may be one shown in FIGS. 4 and 5, for example.

In this case, the engaging body 21 is formed of a pair of forks 51 and a connecting body 52 that connects the forks 51.

This engaging body 21 is attached to the intermediate support body 53 of the drive mechanism 22.
The intermediate support body 53 is attached to the movable body 55 of the drive mechanism 22 via a fluid pressure cylinder 56 and a guide rod 57 so as to be movable up and down.

The guide rod 57 is attached to a main body frame similar to that described above via a feed screw 58 and a guide rod 59 so as to be driven laterally.

Further, the delivery means 8 is a so-called roller conveyor in which a large number of drive rollers 60 are arranged in parallel, and the fork 51 of the engaging body 21 can be inserted between the rollers 60 in the radial direction.

As a result, as shown in FIG. 4, the fork 51 of the engaging body 21 is laterally inserted into the recess 26 of the spacer 3 by the drive mechanism 22 and guided below the bottom surface of the block 2.

After that, the engaging body 2 is moved by the hydraulic cylinders 54 and 56.
By raising the block 1, the phonic 51 engages with the bottom surface of the block 2 and lifts the block 2 in a cantilevered manner.

Next, the block 2 is loaded and unloaded onto the rollers 60 of the delivery means 80 by moving the engaging body 21 laterally to above the delivery means 8 by the drive mechanism 22 and lowering it by the hydraulic cylinders 54 and 56. At this time, the fork 51 is inserted between the rollers 60 so that it does not interfere with the delivery means 8.

Note that when the block 2 is lifted up in a cantilevered manner, its free end side will bend due to its own weight, but since the amount of this bending varies depending on the material of the blank, etc., the amount of lifting will also vary. Therefore, both or only one of the hydraulic cylinders 54, 56 is used depending on the case.

Further, when stacking sheet-like articles such as punched blanks, spacers 3 are interposed to prevent them from collapsing and scattering, and the above-described unloading device 1 can also automate the recovery of the spacers 3. Since several spacers 3 are usually required for one laminate, thousands of spacers 3 may be required per workplace, and automation of the collection of spacers 3 can also improve work efficiency. big.

Moreover, since the loading device 1 is applied to a spacer 3 having a recessed portion on its upper surface, it is preferable for lifting and unloading the blocks 2.

Further, since the loading direction of the stacked body 4 by the loading means 7, the loading direction of the block 2 by the loading means 8, and the driving direction of the engaging body 21 by the drive mechanism 22 are all along the X direction, the loading device 1 When a large number of these are arranged in parallel in the X direction, the space in the workshop can be used effectively.

Further, in the above embodiment, the collection position of the spacer 3 is above the carrying-in means 7, and in the X direction, the carrying-in means 7, the carrying-out means 8, the block loading/unloading means 9, and the spacer collecting means 10.
Since the two overlap, it is preferable for effective use of space in the workplace.

Further, in the above-mentioned loading device 1, the drive mechanism 22 is connected to the engaging body 21.
Since the block 2 is also driven in the X direction, a plurality of blocks 2 can be stacked in the X direction for each layer of the laminate 4, which is preferable for efficient stacking.

Next, referring to FIG. 6, the shipping device 1 of the second embodiment will be explained. The shipping device 1 of this second embodiment has a first
Similarly to the embodiment, sheet-like articles such as punched blanks for paper cartons are stacked to form a block 2, and this block 2 is stacked in multiple stages via spacers 3 to form a laminate 4.
This block 2 is to be shipped.

This loading device 1 includes a main body frame 6, a loading means 7 for loading the stacked body 4 into a loading/unloading position, and a loading means 8 for loading the blocks 2 from the loading/unloading position (hereinafter referred to as a second loading/unloading position).
In the embodiment, the carry-in direction is the X direction, and the carry-out direction perpendicular to this is the X direction).

Then, the unloading device 1 loads the uppermost block 2 of the stacked body 4.
A block loading/unloading means 9 for loading and unloading blocks onto the unloading means 8, and a spacer collecting means 10 for transporting the uppermost layer of spacers 3 of the stacked body 4 from the loading/unloading position.

The main body frame 6 is constructed by supporting a frame 12 with a plurality of pillars 11.

The carrying means 7 is constituted by a carrying belt conveyor 14 between a pair of side walls 13.

In this embodiment, a roller table 15 is provided at the loading/unloading position. This roller table 15 has a plurality of rotationally driven rollers 16 on its upper surface.
6 supports the pallet 5 so that it can be freely conveyed in the X direction.

Further, the roller table 15 can be driven up and down via a link mechanism 17, and in order to collect the pallet 5 from the lowered roller table 15, the belt conveyor 14 for carrying in between the side walls 13 of the carrying means 7 is , a belt conveyor 18 for collecting pallets is provided so as to be freely rotatable.

A compressed air supply device 70 is provided on the side of the roller table 15. This is because the spacer 3 is constituted by a so-called air table.

That is, as schematically shown in FIG. 7, the spacer 3 has a plurality of ball-shaped rolling elements 65 in its hollow interior, and an opening 6 opened and closed by the rolling elements 65 on the upper surface of the spacer 3.
A plurality of springs 66 are provided to urge the rolling elements 65 to protrude from the openings 67. Further, a compressed air supply port 68 is formed on the upper surface of the spacer 3 .

As a result, when the block 2 is placed on the top surface of the spacer 3, the rolling elements 65 sink into the spacer 3, opening the opening 67, and compressed air is blown out from there, thereby creating friction between the spacer 3 and the block 2. The coefficient becomes smaller and block 2
Efforts are being made to facilitate the shipping of

The compressed air supply device 70 includes a fluid pressure cylinder 72 mounted on a support base 71.
An air supply nozzle 73 is attached to the telescopic rod 2, and this air supply nozzle 73 is connected to a blower 74 via a hose. As a result, the fluid pressure cylinder 7
By extending the air supply nozzle 73 in the Y direction by 2, the air supply nozzle 73 is connected to the supply port 68 of the spacer 3 at the loading/unloading position.

The carrying out means 8 has a conveyor bell (20) shown in FIGS.
The blocks 2 loaded and unloaded from the container are carried out in the Y direction.

Moreover, the carrying-out means 8 has a taking-in belt 75 orthogonal to the carrying-out conveyor belt 20. This intake belt 75 connects a part of the conveyor belt 20 to the roller 20.
In the space 2Ob formed by recessing the conveyor belt 20, the hydraulic cylinder 20c is capable of moving up and down the conveyor belt 20, and the conveyor belt 20 is rotated at a position above the conveyor belt 20. Then, the blocks 2 loaded and unloaded from the stacked body 4 are transported in the X direction and taken in, and then the blocks 2 taken in by being lowered down.
is placed on the conveyor belt 20 for carrying out.

A belt conveyor 76 for conveying the blocks 2 in the Y direction is provided adjacent to the conveyance means 8.

Adjacent to this belt conveyor 76, a belt conveyor 7
A conveyor belt 77 is provided to convey blocks 2 brought in from 6 in the X direction. This conveyor belt 7
A take-in belt 78 similar to the take-in belt 75 that can be driven up and down is provided perpendicularly to the block 2.
from the belt conveyor 76 to the conveyor belt 77 in the Y direction.

Then, the block 2 is supplied from the conveyor belt 77 to a sack pasting machine (not shown) or the like via the block direction changing means 80. This block direction converting means 80 is used to make the XY and vertical directions of the block 2 constant before supplying it to the sack pasting machine etc., since the direction of the punched blank to the sack pasting machine etc. needs to be fixed. belongs to.

Note that it is possible to keep the direction of the block 2 constant before loading it onto the loading device 1, but depending on the type of paper carton, a processing step of the punched blank may be required before loading it onto the loading device 1. . For example, if the paper carton has a window and the window is covered with a sheet, a step of attaching the sheet to a punched blank is required. When such a process is involved, it is reasonable to set the direction of the blocks 2 in a fixed direction after stacking the laminate 4.

The block direction changing means 8o includes the conveyor belt 77
It includes a monitor camera 81 disposed above, an xY direction converter 82 adjacent to the conveyor belt 77, and a vertical direction converter 83.

The monitor camera 81 detects whether the block 2 is in a fixed direction with respect to the XY and vertical directions.

The XY direction conversion body 82 has a conversion base 85 which is cross-shaped in plan view and is attached to a base 84 so that it can be driven up and down and rotated around the vertical axis, and can be rotated to four positions every 90 degrees by rotation. has been done. Further, four belt conveyors 86 are provided on the base 84 so as to surround the conversion base 85. This belt conveyor 86 is rotated and conveys the block 2 carried in from the conveyor belt 77 to the vertical direction conversion body 83.

Further, the top surface of the conversion base 85 is below the top surface of the belt conveyor 86 in the lowered state, and is below the top surface of the belt conveyor 86 in the raised state.

As a result, when the XY directions of the block 2 are not constant, when the block 2 is carried onto the belt conveyor 86, the conversion base 85 is raised by the detection inertia from the monitor camera 81, and the block 2 is lifted. Then, by rotating the conversion base 85, the block 2
The XY directions of can be indexed in predetermined directions.

The vertical direction conversion body 83 is constructed by attaching a vertical inversion frame 89 to a pair of supports 88 provided on a truck 87 so as to be rotatable by 180 degrees around a Y-direction axis 90. The cart 87 can be driven reciprocally in the X direction, and a belt conveyor 91 is provided above the cart 87 in parallel with the up-and-down reversing frame 89.

The vertically reversible frame 89 has an opening shape when viewed in the Y direction, into which the block 2 can be inserted, and notches 92 and 93 are formed in the upper and lower walls thereof. A belt conveyor 94 is placed between the notches 92 on the lower side when the vertically inverting frame 89 is in the illustrated state, and a belt conveyor 95 is conveyed between the notches 93 on the lower side when the vertically inverting frame 89 is rotated by 180 degrees from the illustrated state. are provided for each.

As a result, if the vertical direction of the block 2 is not constant, the monitor camera 81
The vertical inversion frame 89 is rotated by 180 degrees by a signal from the block 2, and the vertical direction of the block 2 is inverted to a constant direction. Thereafter, the block 2 is conveyed by a belt conveyor 95 to an adjacent belt conveyor 96, and is supplied from this belt conveyor 96 to a sack pasting machine or the like.

Further, when the vertical direction of the block 2 is a predetermined direction, the cart 87 moves in the X direction in response to a signal from the monitor camera 81, and the block 2 is carried from the belt conveyor 86 to the belt conveyor 91. It is carried out to the belt conveyor 96 in that state.

The block loading/unloading means 9 includes an engaging body 21 and a drive mechanism 22 that drives the engaging body 21 in the X direction.

The engaging body 21 is plate-shaped and is adapted to engage and disengage from the side surfaces of a pair of blocks 2 arranged in parallel in the X direction in each layer of the laminate 4. In addition, the vertical block 2 of the engaging body 21
It is best to make the size approximately equal to the height of.

As a result, when the drive mechanism 22 engages the blocks 2 with the side surfaces of the pair of blocks 2 and drives them in the X direction, the engaging body 21 pushes the blocks 2 toward the unloading means 8, and the blocks 2 are stacked. The bodies 4 can be loaded and unloaded onto the unloading means 8.

In this embodiment, the drive mechanism 22 includes an X-direction moving body 30, and is guided in the X direction by being attached to a pair of X-direction guide rods 32 extending over the main body frame 6. Also,
An X-direction feed screw 33 is passed through the main body frame 6, and this
A feed nut 34 screwed onto the direction feed screw 33 is attached to the X direction moving body 30, and a motor 35 for rotationally driving the X direction feed screw 33 is attached to the main body frame 6.

Further, a fluid pressure cylinder 41 that is vertically extendable and retractable is attached to the X-direction moving body 31, and the engaging body 21 is attached to an extendable rod 42 of this fluid pressure cylinder.

As a result, the engaging body 21 is driven in the X direction by the movement of the X-direction moving body 30, and in the vertical direction by the expansion and contraction of the fluid pressure cylinder 41.

The spacer recovery means 10 includes a fluid pressure cylinder 42 that is attached to the X-direction moving body 31 and is expandable and retractable in the vertical direction;
A suction pad 43 is attached to the telescopic rod of the fluid pressure cylinder 42 via a pair of guide rods 97.

As a result, the suction pad 43 lowered by the fluid pressure cylinder 42 can adsorb the spacer 3 in the uppermost layer of the stacked body 4, and then, by moving the suction pad 43 by the drive mechanism 22, the spacer 3 Laminated body 4
will be removed from. In this embodiment, the collection position of the spacer 3 is above the carrying-in belt conveyor 14 within the main body frame 6, and a collection stand 44 for the spacer 3 is attached to the main body frame 6 here.

The loading device 1 is driven and controlled by a control device (not shown) together with a sack pasting machine and the like.

The operation of the above configuration will be explained below.

First, the pallet 5 on which the laminate 4 is placed is conveyed in the X direction by the conveyor belt 14, and the roller table 1
Replace it on top of 5. At this time, the rotation of the rollers 16 of the roller table 15 assists in the reloading, and when the stacked body 4 is positioned at a certain position, it is stopped.

Note that the positioning of the stacked body 4 in the X direction is appropriately performed, for example, by providing a sensor for detecting the position of the pallet 5.

In addition, the arrangement of the laminate 4 with respect to the pallet 5 and the laminate 4
The arrangement of the blocks 2 and spacers 3 and the number of stacked layers are determined in advance before being carried in by the carrying belt conveyor 14. In this embodiment, the laminate 4 has two layers, and each layer has four blocks 2 arranged in two rows, the side surfaces of which are aligned approximately in the x and Y directions, and engaging bodies 21 are placed between the blocks 2 in the x direction. A gap 50 is formed which leads to the side of the block 2.

Next, by the drive mechanism 22 of the block loading/unloading means 9,
Lowering the engaging body 21 into the space 50 between the blocks 2,
Guide it to the side of a pair of blocks 2.

After that, by driving the engaging body 21 in the X direction,
While engaging the side surfaces of a pair of blocks 2, the blocks 2 are pushed in the X direction, thereby unloading the blocks 2 from the stacked body 4.

At this time, the compressed air supply device 70 supplies compressed air to the inside of the spacer 3 on which the uppermost block 2 is placed.

Then, the rolling element 65 protruding from the upper surface of the spacer 3 is pushed down by the block 2, and air is blown out from the opening 67, reducing the coefficient of friction between the block 2 and the spacer 3, and the extrusion by the engaging body 21 of the block 2. is carried out smoothly. In addition, the roller table 15
The vertical height of is adjusted by the link mechanism 17 according to the height of the take-in belt 75 of the delivery means 8.

Then, the take-in belt 75 of the unloading means 8 transports the block 2 extruded from the stacked body 4 in the X direction, and the unloading means 8
Assist with loading and unloading.

Next, once the loading belt 75 of the unloading means 8 has been unloaded from the block 2, the loading belt 75 is lowered,
The block 2 is conveyed to the belt conveyor 76 by the conveyor belt 20 for conveyance of the conveyor means 8 .

The unloaded blocks 2 are carried one by one onto the conveyor belt 77 by the intermittent operation of the belt conveyor 76 and the take-in operation of the conveyor belt 78.

The block 2 carried onto the conveyor belt 77 is detected by the monitor camera 81 of the block direction conversion means 80.
It is detected whether the XY and vertical directions are respectively predetermined constant directions. Thereafter, the block 2 is conveyed from the conveyor belt 77 to the xY direction conversion body 82.

In this XY direction converting body 82, the block 2 is carried out as it is to the vertical direction converting body 83 if the XY force direction is in a predetermined constant direction. Furthermore, if the XY force direction is not in a predetermined constant direction, it is lifted by the conversion base 85, rotated to the predetermined constant direction, lowered, and then carried out to the vertical direction conversion body 83 by a belt conveyor 86. .

In the vertical direction converting body 83, if the vertical direction is not a predetermined constant direction, the block 2 is inserted into the vertical reversing frame 89 by the belt conveyor 94, and the vertical reversing frame 89 is rotated 180 degrees around the Y direction axis 90. The sheet is turned upside down by the belt conveyor 95, and then conveyed to the belt conveyor 96 by the belt conveyor 95.

Further, if the block 2 is vertically moved in a predetermined constant direction, the cart 87 is moved in the Y direction, and the belt conveyor 8
6, it is carried out to a belt conveyor 91, and by this belt conveyor 91, it is carried out as it is to a belt conveyor 96.

The block 2 is then supplied from the belt conveyor 96 to a sack pasting machine or the like.

When all the blocks 2 in the uppermost layer of the stacked body 4 have been unloaded, the suction pad 43 of the spacer recovery means IO is lowered by the fluid pressure cylinder 42, and the spacers 3, which are the uppermost layer of the stacked body 4, are sucked. , the attracted spacer 3 is conveyed to above the collection table 44 by the drive mechanism 22, and then the spacer 3 is placed on the collection table 44 by releasing the suction of the spacer 3.

Next, the blocks 2, now located at the top layer of the stacked body 4, are sequentially unloaded in the same manner as described above.

By repeating the above operation, all the blocks 2 are loaded from the stack 4 and all the spacers 3 are collected. By lowering the roller table 15 and driving the rollers 16, the pallet 5 is transferred to the pallet collecting belt. It is carried onto the conveyor 18 and transported to a collection position (not shown).

According to the loading device 1 of the second embodiment, similarly to the loading device 1 of the first embodiment, the loading of the blocks 2 from the stacked body 4 can be automated.

In addition, labor savings can be achieved by automating the collection of the spacer 3.

Since the block loading/unloading means 9 loads and unloads the block 2 by pushing the block 2 with the engaging body 21, the first
Compared to the block loading/unloading means 9 of the embodiment, the structure of the engaging body 21 itself and the structure of the drive mechanism 22 are simplified. Furthermore, even if the position of the blocks 2 at the loading/unloading position is somewhat uneven, the blocks 2 can be unloaded by simply pushing in the X direction by the engaging body 21, which improves the stacking accuracy of the stacked bodies 4 and the accuracy of loading onto the carrying belt conveyor 14. etc. can be made rougher than those in the first embodiment. At this time, since the interval 50 is formed, the engaging body 21 can be guided to the side surface of the block 2.

In addition, when the blocks 2 are stacked with an interval of 5 degrees along the Y direction as in the second embodiment, the blocks 2 may be pushed in the Y direction to be unloaded.
functions as a space that prevents the block 2 being pushed out from interfering with the adjacent block 2.

Further, by using a spacer 3 having a means for changing the coefficient of friction between it and the blocks 2 as described above, the blocks 2 can be loaded and unloaded smoothly and reliably.

Note that the spacer 3 may be a plate made of resin with a small coefficient of friction, and the material of the spacer 3 is not particularly limited as long as the surface of the punched blank itself has a small coefficient of friction.

It should be noted that the present invention is not limited to the above-mentioned embodiments, and for example, any transporter means may be used as long as it can transport the laminate.

Further, the loading/unloading means may be any means as long as it can load/unload the blocks in the uppermost layer of the stack.

Moreover, even when loading and unloading by engaging the engaging body 21 with the side surface of the block 2 and pushing it, the engaging body 21 is engaged with the side surface of only one of a pair of parallel blocks 2, and the other block 2
The pair of blocks 2 may be pushed out together by pushing through one of the blocks 2.

Also, a space @ 5 for guiding the engaging body 21 between the blocks 2
G is also not essential; for example, according to the block loading/unloading means 9 shown in FIGS. 3 and 4, there is no gap 5o and the block can be engaged with the bottom surface of the Tomoflock 2.

(Effects of the Invention) The loading device according to the present invention can load blocks of stacked sheets of sheet-like articles from a stacked body with spacers interposed therebetween, without manual labor, and furthermore, Collection can also be carried out without manual labor, contributing to labor saving and automation of shipping operations.

In addition, the engaging body of the unloading device is configured to engage and disengage from the bottom surface of the block, and a recess is formed on the top surface of the spacer so that the engaging body can be guided to the bottom surface of the block, making it possible to lift and unload the block. It is suitable for shipping blocks of sheet-like articles.

Further, since the engaging body of the unloading device is configured to engage and disengage from the side surface of the block, the block can be unloaded from the stacked body by simply pushing the block in the lateral direction, and the driving mechanism of the engaging body is simplified. .

Furthermore, when each layer of the laminate has a plurality of blocks,
By forming an interval in the lateral direction between the blocks of each layer to guide the engaging bodies, it becomes easy to stack the blocks using the engaging bodies.

[Brief explanation of drawings]

FIG. 1 is a perspective view of a loading device according to a first embodiment of the present invention;
2 and 3 are cross-sectional views for explaining the structure of the engaging body of the first embodiment, FIG. 4 is a front view showing a schematic structure of a loading/unloading means according to a modified example, and FIG. 5 is a side view of the structure shown in FIG. 4. 6 is a perspective view of a loading device according to the second embodiment, FIG. 7 is a sectional view for explaining the structure of the spacer of the second embodiment, and FIG. 8 is a structure explanation of the conveyor belt of the second embodiment. FIG. 9 is a side view of FIG. 8. DESCRIPTION OF SYMBOLS 1... Loading device, 2... Block, 3... Spacer, 4... Laminated body, 7... Carrying-in means, 8... Carrying-out means, 9... Block loading/unloading means, 1o ...Spacer collection means, 21--Engaging body, 22--Drive mechanism, 26--Recessed portion, 5o--Interval.

Claims (4)

[Claims] (1) A device for stacking sheet-like articles to form a block, stacking the blocks in multiple stages via spacers to form a laminate, and loading the block, wherein the laminate is placed at a loading/unloading position of the block. a loading means for loading and unloading the blocks from the stack, and a block loading/unloading means for loading and unloading the blocks from the stack by means of the engaging body which can be freely engaged and detached from the uppermost block of the stack; 1. A loading device for laminated sheet-like articles, comprising: a carrying-out means for carrying out the spacer from the loading/unloading position; and a spacer collecting means for carrying out the uppermost spacer of the stack from the loading/unloading position. (2) The engaging body is detachable from the bottom surface of the block, and is equipped with a drive mechanism that moves the engaging body vertically and laterally so that the engaging body lifts the block and loads and unloads the block, and the top surface of the spacer 2. The stacked sheet-like article unloading device according to claim 1, wherein a recess is formed in the block so that the engaging body can be guided below the bottom surface of the block. (3) The engaging body is detachable from the side surface of the block, and includes a drive mechanism that moves the engaging body laterally so that the engaging body pushes the block laterally to load and unload the block. Claim (1) characterized in that
A device for unloading stacked sheet-like articles as described above. (4) A claim characterized in that each layer of the laminate has a plurality of blocks, and a space is formed between the blocks in each layer in the lateral direction so that the engaging body can be guided to the side of the blocks. The device for discharging stacked sheet-like articles according to any one of (1) to (3).