JP2719319B2 - Work take-out 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 work take-out device capable of reliably taking out only the uppermost work from a stacked work in which work is stacked in multiple stages without being affected by warpage of the work.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 6, a work w at the uppermost stage is pushed by a pusher b using a cylinder or the like as shown in FIG. It is disassembled in order from the top by putting it out.

[0003]

However, if the work w is warped, has a dimensional error, etc., and is not positioned correctly or is slightly adhered, the work w of the uppermost stage and the next work w are affected by the influence. Work w may be extruded together, making it difficult to unload work w for each stage.
The uppermost work w may be hooked on the upper end of the side plate c on the extrusion side due to warpage or the like.

According to the present invention, an overlapped work is supported via an upper surface pressing portion for equalizing the upper surface height of the uppermost work, and a deformation absorbing material for absorbing the deformation of the work caused by pressing down by the upper surface pressing portion. The uppermost work can be positioned accurately without being affected by warpage, etc. The purpose of the present invention is to provide a work take-out device that can take out the work.

[0005]

SUMMARY OF THE INVENTION The present invention is directed to a work take-out apparatus for sequentially taking out the uppermost work from a stacked work in which the works are stacked in a multi-stage manner. A pusher for displacing the position, a locking piece provided on the side for displacing the position to prevent the next stage from displacing, and an upper surface of the depressed work which is brought into contact with the upper surface of the uppermost stage work and the upper surface of the work is aligned. An upper surface pressing portion having a height between an upper surface and an upper edge of the locking piece, the upper edge of which prevents the next stage from being displaced from the next work, and the work receiving table presses down the work. The overlapping work is supported via a deformable deformation absorbing material that absorbs deformation.

The deformation absorbing material may be an elastic material such as rubber or a spring. In addition, an artificial turf, a suitable shock absorbing material having no repulsive force but capable of being deformed can be used.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 to 5, a work take-out device 1 of the present invention is a stacked work in which works are stacked in multiple stages, and in this embodiment, a rectangular parallelepiped stacked work A in which square bar-shaped wooden works W are stacked in multiple stages and rows. Is a so-called separating / unloading device for sequentially separating and taking out the uppermost works W from the work table 2 and a pusher 3
And a locking piece 4 and an upper surface pressing portion 5.

The overlapped work A is conveyed onto the work receiving table 2 by using a conveying means 15 such as a belt conveyor or a roller conveyor, or a forklift. Until the stacked work A is unloaded, the string-like body 16
The collapse of the load can be prevented by the winding or the like.

In the present embodiment, the work receiving table 2 comprises a lifter 17 which rises and stops at each step which is the height of the work W, and has on its upper surface an elastic material such as rubber or spring , artificial grass, A deformation absorbing material 6 selected from various materials, such as a deformable shock absorbing material having no repulsive force, is arranged.
The overlapping work A is received and supported via the deformation absorbing material 6.

[0010] On both sides of the work receiving table 2, an overlapping work A
Vertical and parallel guide plates 19A and 19B facing both end surfaces in the longitudinal direction of each work W are provided, and the uppermost work W of the overlapped work A is mounted on one guide plate 19A. A pusher 3 is provided for shifting the position above the upper edge of the guide plate 19B. The pusher 3 is composed of, for example, a cylinder 21 having a horizontally elongated vertical extruded piece 20 for simultaneously extruding the end faces of all the works W on the uppermost stage fixed to the tip of a rod. It may be provided on the elevating table 22 on which the unit 5 is provided.

The other guide plate 19B is provided on the side where the uppermost work W is displaced by the pusher 3 and forms the locking piece 4 for preventing the next work W1 from being displaced.

The elevator 22 has a pair of rails 23, 2.
3 is fixed to the lower end of the rod of the cylinder 25 on the traveling platform 24 that travels along the traveling platform 3 so that the cylinder 25 can be moved up and down below the traveling platform 24 with the operation of the cylinder 25. The upper surface pressing portion 5 is provided which includes, for example, three rollers 26 extending in a direction substantially perpendicular to the length direction of the work W of A.

The upper surface pressing portion 5 may be a belt, a smooth surface, or the like, in addition to the rollers 26. The upper surface pressing portion 5 may be brought into contact with the upper surface of each work W at the uppermost stage. The work W may be moved together with the displacement caused by the pusher 3 while pressing down.

On the end surface of the lifting platform 22 on the side where the work W is displaced, a chuck tool using a cylinder 27 for simultaneously chucking the end of each displaced uppermost work W is provided. Are arranged, and two end faces of the elevating platform 22 that is substantially perpendicular to the length direction of the work W are provided on the cylinder 3 for holding the uppermost work W from both sides.
Clamping tools 31, 31 using 0 or the like are provided respectively.
The elevating table 22 is provided with guide shaft pieces 32, 32 for preventing rotation which are raised from the upper surfaces on both sides of the rod of the cylinder 25 and are inserted into the traveling table 24 so as to be able to move up and down.

As shown by the dashed line in FIG. 2, the work W
Are often warped, each work W has a dimensional error, and some of the work W is attached to the uppermost work W.

Therefore, as shown in FIG.
To lower the upper surface pressing portion 5 in contact with the upper surface of each uppermost work W, thereby deforming the work W to correct the unevenness of the upper surface height of the work W due to warpage and dimensional errors. To make the upper surface height uniform. At this time, the deformation absorbing material 6 absorbs the depression, deformation, inclination, and dimensional error of the work W, and reduces the height between the upper surface of the uppermost work W. The upper edge has a height that prevents the work W1 in the next stage from being displaced.

That is, the upper surface pressing portion 5 and the deformation absorbing material 6 position the upper surface of the next stage work W1 at a position slightly higher than the upper end edge of the locking piece 4 and move the next stage work W1.
1 is prevented from being displaced by the locking pieces 4, and the top surfaces of the uppermost works W are aligned so that the works W are accurately positioned.

This makes it possible to eliminate the influence of the warp of the works W, the dimensional error, and the like on the step of taking out each of the uppermost works W. It can remove the adhesive due to shrinkage.

Therefore, as shown in FIG. 4, the operation of the pusher 3 allows the uppermost work W to be surely displaced.

Each of the uppermost workpieces W shifted in position.
Is chucked by the chucking tool 29, and is held between the holding tools 31, 31, as shown in FIG.

Since the uppermost work W is accurately positioned and the next work W1 is prevented from being displaced by the locking piece 4, the uppermost work W can be stably held. Can be taken out.

Although the lifter 17 which rises step by step is used as the work receiving table 2, the work receiving table 2 may be fixed and the locking piece 4 and the upper surface pressing portion 5 may be lowered step by step. Good.

As the work W, a work such as a face material may be employed in addition to the bar-shaped wooden work.

[0024]

As described above, the work take-out device of the present invention comes into contact with the upper surface of the uppermost work of the overlapped work and pushes down the work, and the upper surface pressing portion for adjusting the height of the upper surface of the work, and the work lowering unit A work receiving table that receives and supports the overlapped work via a deformable deformation absorbing material that absorbs deformation. Therefore, even if the work is warped, has a dimensional error, or has adhesion, etc., the work is corrected by the pressing by the upper surface pressing portion and the deformation of the deformation absorbing material that absorbs the deformation of the work accompanying the press, Through the absorption of dimensional errors and the release of adhesion between the workpieces due to short time, etc., the uppermost workpiece can be aligned with the next workpiece at a height that prevents the misalignment with the locking piece, and positioned accurately. Using a pusher, the upper work can be reliably displaced and removed one by one.

In the second aspect of the present invention, when the deformation absorbing material is made of an elastic material, deformation and dimensional errors of the work can be reliably absorbed by using an elastic material such as rubber or spring.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a diagram showing the operation.

FIG. 3 is a diagram showing the operation.

FIG. 4 is a diagram showing the operation.

FIG. 5 is a diagram showing the operation.

FIG. 6 is a side view for explaining a conventional technique.

[Explanation of symbols]

 2 Work pedestal 3 Pusher 4 Locking piece 5 Upper surface pressing part 6 Deformation absorber A Overlapping work W, W1 Work

Claims (2)

(57) [Claims] 1. A work take-out device for sequentially taking out an uppermost work from an overlapped work in which a plurality of works are stacked, a work receiving table for receiving the overlapped work, a pusher for displacing the uppermost work, and the position. A locking piece provided on the side to be displaced to prevent the next work from being displaced, and an upper surface of the work being pressed down by contacting the upper surface of the uppermost work, and an upper surface of the work and an upper end of the locking piece. The height between the upper edge and the upper edge is made up of an upper surface pressing portion whose height prevents deviation from the work of the next stage, and the work receiving table is pressurizable and deformable to absorb the deformation of the work. A work take-out device, wherein the overlapped work is supported via a deformation absorbing material. 2. The apparatus according to claim 1, wherein said deformation absorbing material is an elastic material.