JP2995152B2 - Stacking device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stacking apparatus for stacking conveyed articles and sending out the stacked articles in a direction orthogonal to the direction in which the articles are conveyed.

[0002]

2. Description of the Related Art Conventionally, when articles to be conveyed are stacked and when articles to be stacked are sent out in a direction orthogonal to the direction in which the articles are conveyed, the stacking device and the direction changing device are each used independently. Used in.

[0003] For example, articles are conveyed to a position of a stacking device by a conveyor, and the articles are stacked by the stacking device. The stacked articles are conveyed by a conveyor from the position of the stacking device to the position of the direction changing device, and the direction changing device changes the conveying direction of the stacked products and sends out the changed products.

[0004]

However, conventionally, since the stacking device and the direction changing device are used independently, when moving the stacked articles from the position of the stacking device to the position of the direction changing device. In addition, there is a problem that when the direction is changed by the direction changing device, the stacked articles are likely to shift or collapse.

Another problem is that a large installation space is required.

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and stacks and changes the direction of articles at the same position and at the same time to prevent the articles to be stacked from shifting or collapsing and to be installed in a small space. It is an object to provide a stacking device.

[0007]

Means for Solving the Problems] stacking apparatus 請 Motomeko 1 described, has a plurality of rollers arranged in parallel, a conveyor for transporting the article to stacking position, lifting between rollers of the conveyor A plurality of forks, and a lift that lifts the articles to be stacked on the upper stage among the articles on the conveyor that are conveyed to the stacking position, and between a roller that is different from a roller between which the forks of the conveyor are moved up and down. Has an extruded body that moves along the roller axis direction, and integrally pushes the articles on the conveyor at the stacking position and the articles on the lift in a direction orthogonal to the conveying direction of the conveyor and stacks the articles. And an extrusion means, wherein the stacking of articles and the change of direction are performed at the same position and simultaneously.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the stacking device according to the present invention will be described below with reference to the drawings.

In FIG. 1, reference numeral 1 denotes a stacking device. A loading conveyor 2 for loading articles A is installed on one side of the stacking device 1. The loading conveyor 2 is arranged in a direction perpendicular to the loading conveyor 2 of the stacking device 1. An unloading conveyor 3 for unloading the articles A after stacking is provided on the side. That is, the stacking device 1 is installed at the intersection of the carry-in conveyor 2 and the carry-out conveyor 3 installed orthogonally.

The article A to be handled has a rectangular shape as viewed from a plane as shown in FIG.
As shown in FIG. 2, the box is formed in a relatively thin box shape when viewed from the side.

The stacking apparatus 1 has a frame 11, on which a conveyor 12, a lift 13 and a pushing means 14 are provided.
Are arranged.

The frame 11 has a substantially rectangular frame-shaped lower frame 22 to which a plurality of legs 21 for installation are attached,
An intermediate frame 23 is erected on the lower frame 22 in a direction substantially perpendicular to the conveying direction of the conveyor 12 (corresponding to the unloading direction OUT) at a substantially central portion of the conveyor 12 in the conveying direction (corresponding to the loading direction IN). Have been.

The conveyor 12 has a pair of conveyor frames 24 erected on both ends of the intermediate frame 23 in a direction orthogonal to the conveying direction of the conveyor 12, and a plurality of rollers 25 between the pair of conveyor frames 24. Are arranged in parallel and supported rotatably.

The lift 13 has a horizontally long elevating body 26 disposed above the conveyor 12 opposite to the unloading direction OUT, and slide members 27 are attached to both ends of the elevating body 26. Each slide member 27 is slidably fitted to each guide rail 29 of a pair of columns 28 erected at both corners of the lower frame 22 on the opposite side to the unloading direction OUT. Therefore, the elevating body 26 moves the conveyor 28 against the pair of columns 28.
It is supported so as to be able to ascend and descend above one end of 12.

One end of a plurality of forks 30 is fixed to the lower surface of the elevating body 26. Each fork 30 is formed to have a length substantially equal to the length of the roller 25 and is formed to have a width which allows the fork 30 to enter between the adjacent rollers 25 in a non-contact state. It is arranged at a position lower than the upper surface of.

The lift driving means 31 for raising and lowering the elevating body 26 has a lift motor 32 mounted on a substantially central portion of the lower frame 22, and a side portion of the lift motor 32 and below the elevating body 26. A rotation shaft 33 is rotatably supported by a pair of bearings 34 mounted on the lower frame 22 at positions, and a timing pulley 35 mounted on a drive shaft of the lift motor 32 and a timing pulley 36 mounted on the rotation shaft 33. A timing belt 37 is stretched between them.
Lever 38 is attached to both ends of rotating shaft 33, and one end of link 39 is rotatably supported at the tip of each lever 38,
The other end of each link 39 is rotatably supported on both end surfaces of the elevating body 26.

Then, the rotation shaft 33 is rotated by the driving of the lift motor 32, and the lifting body 26 is raised and lowered through the crank motion of the lever 38 and the link 39. Lifting body 26 is a fork
The fork 30 is moved between a lowering position where the roller 30 is disposed at a position lower than the upper surface of the roller 25 and a raising position where the fork 30 is disposed at a position slightly higher than the upper surface of the article A carried on the conveyor 12.

Further, the pushing means 14 has a plurality of pushers 40 as extruded bodies, and the plurality of pushers 40 are erected on a moving body 41 arranged below the rollers 25 of the conveyor 12. . The pusher 40 is a roller for moving the fork 30 up and down.
25, a projecting piece 42 is disposed above the conveyor 12 so as to protrude above the conveyor 12 through a space between the rollers 25.
Are formed. The extruded piece 42 is formed excluding a portion corresponding to the roller 25 and a portion corresponding to the fork 30 at the raised position.

The moving body 41 is formed in an elongated plate shape, is disposed along a direction orthogonal to the roller axis direction, and slide members 43 are attached to the lower surfaces at both ends.
Are slidably fitted to respective guide rails 44 provided on the intermediate frame 23 along the roller axis direction. Therefore, the moving body 41 is supported on the intermediate frame 23 so as to be movable along the roller axis direction.

In the pusher driving means 45 for moving the moving body 41, rotating shafts 46 are rotatably supported at both ends of the intermediate frame 23 in the roller axis direction so as to be orthogonal to the roller axis direction.
Timing pulleys 47 are attached near both ends of each rotating shaft 46, and a timing belt 48 is stretched between the timing pulleys 47, and the moving body 41 is connected to the timing belts 48. A pusher motor 49 is provided on the lower frame 22 adjacent to the lift motor 32, and a timing pulley 50 attached to a drive shaft of the pusher motor 49 and a timing pulley 51 attached to one end of one rotary shaft 46. A timing belt 52 is stretched between them.

Then, the timing belt 48 is rotated forward or backward by the forward or reverse drive of the pusher motor 49, and each pusher 40 is moved along the roller axis direction via the moving body 41. The pusher 40 has an end portion opposite to the unloading direction OUT in the roller axis direction as a fixed position. When the article A is sent out, the pusher 40 moves from the fixed position to the end portion in the unloading direction OUT in the roller axis direction and returns to the fixed position. I do.

A support frame 53 is erected on the lower frame 22 in the conveying direction of the conveyor 12, and the support frame 53
A stopper plate 54 for stopping the article A conveyed at 12 at a predetermined stacking position X is attached.

Next, the operation of the present embodiment will be described.

In the initial state, each fork 30 of the lift 13 is at the lowered position, and each pusher
40 is in place.

Then, from the loading conveyor 2 to the stacking device 1
Is transported onto the rollers 25 of the conveyor 12 and transported there, and abuts against the stopper plate 54 to be stopped at the stacking position X.

The articles A first stopped at the stacking position X are to be stacked on the upper stage, and the articles A at the stacking position X
Is detected by a sensor (not shown) or the like, the lift motor 32 of the lift 13 is driven, and the lift 26 is raised. As the elevating body 26 rises, each of the forks 30 arranged at a lower position than the upper surface of the roller 25 comes into contact with the bottom surface of the article A, and the article A is raised. Fork 30 is conveyor 12
When the lifted position reaches a position slightly higher than the upper surface of the article A to be carried in, the lift motor 32 is stopped.

In the state in which the articles A stacked on the upper stage are lifted above the conveyor 12, the articles A successively conveyed onto the conveyor 12 from the carry-in conveyor 2 are placed below the raised articles A. Side, and is stopped at the stacking position X.

As a result, the lift 13 is moved to the stacking position X.
The upper article A and the upper article A on the conveyor 12 are stopped in two upper and lower stages.

When the lower article A stopped on the conveyor 12 is detected by a sensor (not shown) or the like, the pusher motor 49 of the pushing means 14 is driven to rotate forward, and the moving body 41 is moved in the unloading direction OUT.
It is advanced and moved toward. Due to the advance movement of the moving body 41, each pusher 40 waiting at a fixed position comes into contact with each of the upper and lower articles A, and the upper and lower articles A are integrally pushed in the unloading direction OUT. . The lower article A is slid on the upper surface of the roller 25, and the upper article A is slid on the upper surface of the fork 30.

The leading end of the lower article A, which is integrally pushed in the unloading direction OUT, is disengaged from the roller 25 and moves onto the unloading conveyor 3 to push the upper article A. The leading end in the direction separates from the top of the fork 30 and moves onto the lower article A. When the rear end of the upper article A in the extrusion direction is completely removed from above the fork 30, the upper article A is completely transferred onto the lower article A and is stacked. Thereby, the stacked articles A are completely transferred onto the unloading conveyor 3 and are transported to the downstream side by the unloading conveyor 3.

When the pusher 40 moves to the end in the unloading direction OUT, the pusher motor 49 is driven to rotate in the reverse direction, the moving body 41 is moved backward in the direction opposite to the unloading direction OUT, and the pusher 40 returns to the home position. Is done. In addition, lift motor 32
Is driven, the elevating body 26 is lowered, and the fork 30 is
It is returned to the lowered position lower than the upper surface of 25. Thereby, the next article A can be received.

As described above, in the stacking apparatus 1, the article A
Can be performed at the same position and simultaneously at the same position, and the articles A to be stacked can be sent out in a stable stacked state without any shift or collapse of the articles A to be stacked. In addition, it can be installed in a smaller space than before.

[0033]

According to the stacking device 請 Motomeko 1, wherein, according to the present invention, an article to be staked to the top of the articles on the conveyor rollers is conveyed to stacking position with a fork lift for lifting between the rollers The articles on the conveyor rollers at the stacking position and the articles on the fork of the lift are integrally pushed up and stacked in a direction orthogonal to the conveying direction of the conveyor by an extruding body of extruding means moving between the rollers. Therefore, the stacking and the direction change of the articles can be performed at the same position and at the same time, so that the articles to be stacked are not shifted or collapsed, and the articles to be changed in direction can be sent out in a stable stacked state. It can be installed in a smaller space than before.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of a stacking device according to the present invention.

FIG. 2 is a front view of the embodiment.

FIG. 3 is a side view of the embodiment.

[Description of Signs] Single-stacking device 12 Conveyor 13 Lift 14 Extrusion means 25 Roller 30 Fork 40 Pusher as extruded body A Article

Claims (1)

(57) [Claims] 1. A vehicle comprising a plurality of rollers arranged in parallel,
A conveyor for transporting articles to a stacking position, and a plurality of forks for moving up and down between rollers of the conveyor, and a lift for lifting articles to be stacked on an upper stage among articles on the conveyor transported to the stacking position And an extruded body that moves along a roller axis direction between rollers that are different from rollers between which the fork of the conveyor moves up and down, and that an article on the conveyor at the stacking position and an article on the lift are A stacking device comprising: an extruding means for integrally extruding and stacking in a direction orthogonal to a conveying direction of the conveyor.