JPH09308864A - Apparatus for storing processed piece - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an apparatus for storing processed pieces for which it is unnecessary to locate an operator at night even when operation is carried out for a long time while portable cases are used. SOLUTION: When processed pieces 2A and 2B in which various sizes are mixed are made to fall down on an inclined plate 15 from the apex of the top part of a belt conveyer 3, the processed pieces 2A with smaller sizes fall down from larger holes 150 or smaller holes 151 provided on the inclined plate 15 and are stored in a first storing case 14A and the processed pieces 2B with larger sizes which do not fall down into the first storing case 14A fall down from the end part 16 for discharging and are stored in a second storing case 14B. By appropriately selecting shapes, sizes, numbers, positions, etc., of the larger holes 150 and smaller holes 151, the processed pieces 2 are stored equally in the first and the second storing cases 14A and 14B to extend the time when the first an the second storing cases 14A and 14B are fully filled.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to, for example, NCT.
The present invention relates to a work piece storage device that stores work pieces such as waste materials produced by punching a plate material by a punching machine such as a (turret punch press).

[0002]

2. Description of the Related Art FIG. 4 shows an example of a conventional work piece storage device. The machined piece storage device 1 includes a belt conveyor 3 that conveys a machined piece 2 generated by punching upward, and a storage box 4 that stores the machined piece 2 that drops from the top end of the belt conveyor 3. The storage box 4 has an appropriate capacity, for example, a capacity capable of being transported by a transportation vehicle.

When the work piece storage device 1 is used for a long time operation, for example, a 24-hour continuous operation by a turret punch press, at least two storage boxes 4 are prepared. This was dealt with by replacing the storage box 4 before the processed piece 2 overflowed from the storage box 4.

[0004]

However, according to the conventional work piece storage device 1, since it may be full at night due to long-time operation, it is necessary to arrange workers at night, and unmanned operation is performed. The inconvenience of becoming a hindrance occurs.

Further, according to the conventional work piece storage device 1,
Since the processed piece 2 is simply dropped from the belt conveyor 3 into the storage box 4, a mountain 20 of the processed piece 2 is formed as shown in FIG. 5, so that the processed piece 2 is not manually spilled during transportation. It took time and effort to flatten it.

Therefore, it is an object of the present invention to provide a work piece storage device which does not require a worker to be stationed at night even if it is used for a long time while using a transportable storage box.

Another object of the present invention is to provide a work piece storage device capable of suppressing the formation of ridges as much as possible and eliminating the work of flattening.

[0008]

In order to achieve the above object, the first invention is a work piece storage device for storing work pieces of various sizes mixed with each other, which are produced by punching a plate material. A discharge end portion having an inclined surface for feeding and forming a plurality of openings in the inclined surface for dropping the work piece having a predetermined size or less, and discharging the work piece having the predetermined size or more from an end portion. An inclined plate provided with the first storage box for storing the processed piece falling from the opening;
Second for accommodating the processed piece discharged from the discharge end
And a storage box.

According to the first aspect of the present invention having the above-mentioned structure, when the mixed work pieces of various sizes generated by the punching of the plate material are fed to the inclined surface of the inclined plate, the processed pieces of a predetermined size or smaller are opened. It drops from the first storage box and is stored in the first storage box, and the processed pieces having a predetermined size or more are stored in the second storage box from the discharge end. By appropriately selecting the size and number of the openings provided on the inclined surface, the processed pieces are evenly stored in the first and second storage boxes.

In the second invention, the plurality of openings are
The second opening includes a first opening group having a first inner diameter corresponding to the predetermined size and a second opening group having a second inner diameter smaller than the first inner diameter. The group is characterized in that it is arranged upstream of the first group of openings.

According to the second aspect of the present invention, of the processed pieces having a predetermined size or smaller, the processed piece having a smaller inner diameter than the second inner diameter falls from the second opening group located upstream, and the first processed piece falls. The work piece smaller than the inner diameter falls from the first opening group located downstream. Therefore, the processed pieces of a predetermined size or smaller are dispersed and dropped in the first storage box.

Further, according to a third aspect of the invention, the discharge end portion is provided with a plurality of projecting pieces for dispersing the discharged processed pieces in a plurality of directions.

According to the third aspect of the present invention, the processed pieces that have not fallen into the first storage box are dispersed and dropped in the second storage box in a plurality of directions by the plurality of projecting pieces.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a perspective view of a work piece storage device according to an embodiment of the present invention. The machined piece storage device 10 stores a machined piece 2 and a belt conveyor 3 that conveys a machined piece 2 such as a waste material produced by punching a plate material by a punching machine such as NCT (Turret Punch Press) upward. First and second storage boxes 14A, 14B
And the inclined plate 15 for distributing the processed piece 2 fed from the upper end of the belt conveyor 3 to the first and second storage boxes 14A and 14B.

The work piece 2 conveyed by the belt conveyor 3 has a mixture of various sizes, for example, a relatively small work piece 2A and a relatively large work piece 2B.

The first and second storage boxes 14A and 14B are
For example, it has a capacity that can be carried by a haul vehicle.

The inclined plate 15 is, for example, a SEC having a plate thickness of 2 mm.
It is made of C (steel plate), and is attached to the belt conveyor 3 by the attachment member 11 at a predetermined inclination angle, for example, 45 ° with respect to the floor surface. Further, the inclined plate 15 is provided with a plurality of large holes 150 as a first opening group having a large diameter (for example, an inner diameter of 30 mm) on the downstream side of the intermediate portion between the upper end and the lower end, and the upstream side of the intermediate portion. A plurality of small holes 151 as a second opening group having a small diameter (for example, an inner diameter of 15 mm)
Has been drilled. The shapes, sizes, numbers, positions, etc. of the large holes 150 and the small holes 151 are based on the shapes, sizes, etc. of the processed pieces 2 so that the processed pieces 2 are evenly distributed in the first and second storage boxes 14A, 14B. Determined to be distributed. Also, the inclined plate 1
In the center of the lower side of the large hole 150, a columnar distribution pin 152 having a diameter of, for example, 10 mm for projecting the work pieces 2 is projected, and the lower end of the inclined plate 15 is provided with a second storage box 5. 14
A divergent discharge end 16 for discharging the processed piece 2 stored in B is provided.

FIG. 2 is a tilt plate 15 as viewed in the direction of arrow A in FIG.
FIG. As described above, the inclined plate 15 is provided with the plurality of large holes 150 and the small holes 151.
52 is protrudingly provided, and the discharge end 16 is provided. The discharge end 16 will be described with reference to FIG. The discharge end portion 16 is provided with a pair of triangular projecting small pieces 160, 160 at the center of the lower end of the inclined plate 15. Inside the protruding small pieces 160, standing pieces 160a are formed by bending. The upright piece 160a and the outer side edge 160b of the protruding small piece 160 have a function of dropping the processed piece 2 to the center and the front F. A pair of protruding pieces 160, 16
The concave side 161 located between 0 has a function of dropping the work piece 2 to the rear B. Further, a pair of triangular large projecting pieces 162, 162 are provided on the left and right of the discharge end 16. Inside the protruding large pieces 162, standing pieces 162a are formed by bending. This standing piece 162a
Has a function of dropping the processed piece 2 to the front F.
Further, the outer side edge 162b of the protruding large piece 162 has a function of dropping the processed piece 2 to the center and the rear side B. Therefore, the discharge end portion 16 has a function to disperse the work pieces 2 as a whole so as to be dispersed in the front, rear, left, and right directions.

FIG. 3 is a development view of the inclined plate 15. The inclined plate 15 is formed by, for example, the method described below. That is, the inclined plate 15 has a plurality of large holes 150 and small holes 151 formed therein after cutting the steel plate into the shape shown in the figure, and holes 152a for standing up the distribution pins 152. Next, the upper piece 15a, the side pieces 15b, 15b, and the standing piece 16
0a and 162a are bent upward by 90 ° along a folding curve indicated by a broken line in the figure. In addition, the projecting small piece 16 is formed as a valley having an inclination angle of, for example, 15 ° on the broken line shown by the dashed line in FIG.
0, 160 is bent, and a large piece 1 is projected so as to form a ridge having a tilt angle of, for example, 15 ° on the fold curve shown by the two-dot chain line in the figure.
Fold 62 and 162. Then, the distribution pin 152 is erected in the hole 152a. In this way, the inclined plate 15 is formed.

Next, the operation of the work piece storage device 10 will be described. For example, punching of a plate material by a punching machine such as NCT (Turret Punch Press) produces work pieces 2A and 2B of various sizes such as a waste material. The processed pieces 2A and 2B are conveyed upward by the belt conveyor 3 and fall from the upper end of the belt conveyor 3 onto the inclined plate 15. Large hole 150 or small hole 151 provided in the inclined plate 15
The smaller processed piece 2A is dispersed and dropped from the large hole 150 and the small hole 151, and is stored in the first storage box 14A substantially flatly. The large size work piece 2B that did not fall from the large hole 150 and the small hole 151 is the distribution pin 15
2 and the discharge end 16 distribute the front, rear, left and right,
It is stored substantially flat in the storage box 14B. The processed pieces 2 are evenly stored in the first and second storage boxes 14A and 14B. The processed pieces 2 stored in the first and second storage boxes 14A and 14B are then used for reuse as a plate material.

According to the work piece storage device 10 as described above, the shape, size, number, position, etc. of the large holes 150 and the small holes 151 provided in the inclined plate 15 based on the shape, size, etc. of the work piece 2. The work piece 2 is evenly stored in the first and second storage boxes 14A and 14B by appropriately selecting.

Further, by arranging the small hole 151 having a small inner diameter on the upstream side and the large hole 150 having a large inner diameter on the downstream side, the smaller processed piece 2A among the smaller processed pieces 2A. Fell on the upstream side,
Since the large-sized processed piece 2A falls on the downstream side, the small-sized processed piece 2A corresponds to the first storage box 14A.
Since the work pieces 2A are dispersed and dropped inside and the piles of the processed pieces 2A are hard to be formed, the work pieces 2A are stored almost flat in the first storage box 14A, and the labor for flattening can be omitted.

The processed piece 2B having the larger size is
The distribution pin 152 and the discharge end portion 16 disperse and fall into the second storage box 14B, and it is difficult to form the peaks of the processed piece 2B. Therefore, the second storage box 14B stores the work piece 2B almost flatly.
You can save the trouble of flattening.

Accordingly, the first and second storage boxes 14A, 1
Since the work piece 2 can be stored until 4B is full, a work piece storage device that does not require a worker to be placed at night even when operating for a long time while using a transportable storage box. Can be provided.

The present invention is not limited to the above embodiment, and various embodiments are possible. For example, although one dispersion pin 152 is provided below the large hole 150, the large hole 150
A plurality of holes may be provided between the small holes 151 and the large holes 150 or between the small holes 151 and the small holes 151. Further, only one of the large hole 150 and the small hole 151 is provided, and the dispersion pin 1 is provided between the holes.
52 may be provided. In addition, the large hole 150 and the small hole 151
The shape of is not limited to a circle, but may be a triangle, a quadrangle, or a polygon. Further, the large hole 150 and the small hole 151 may not be provided in the inclined plate 15, and the storage box may be only the second storage box 14B. As a result, both the smaller processed piece 2A and the larger processed piece 2B are stored in the second storage box 14B, but are dispersed in the second storage box 14B by the distribution pin 152 and the discharge end portion 16. Then, it is possible to suppress the formation of piles of the processed pieces as much as possible, and the storage efficiency can be increased.

[0027]

As described above, according to the first aspect of the present invention, the work pieces are evenly stored in the first and second storage boxes by appropriately selecting the size and number of the openings. ,
Since it takes a long time until it becomes full, it is possible to provide a work piece storage device which does not require a worker to be placed at night even when it is operated for a long time while using a transportable storage box.

Further, according to the second invention, since the second opening group having a small inner diameter is arranged on the upstream side of the first opening group having a large inner diameter, the processed pieces are dispersed and are stored in the first storage box. Since it falls, it is possible to provide a work piece storage device that can suppress the formation of ridges as much as possible and save the labor of flattening.

Further, according to the third aspect of the invention, since the processed piece is dispersed and dropped in the second storage box in a plurality of directions by the plurality of projecting pieces, it is time-consuming to flatten the formation of ridges as much as possible. It is possible to provide a processed piece storage device capable of omitting.

[Brief description of drawings]

FIG. 1 is a perspective view of a work piece storage device according to the present invention.

FIG. 2 is a front view of the inclined plate as viewed in the direction of arrow A in FIG.

FIG. 3 is a development view of an inclined plate according to the present invention.

FIG. 4 is a perspective view showing an example of a conventional work piece storage device.

FIG. 5 is a diagram for explaining a problem of a conventional work piece storage device.

[Explanation of symbols]

 2,2A, 2B Processed piece 3 Belt conveyor 10 Processed piece storage device 14A First storage box 14B Second storage box 15 Inclined plate 16 Discharge end 150 Large hole 151 Small hole 152 Distribution pin 160 Projected small piece 162 Projected large piece

Claims (3)

[Claims] 1. A machined piece storage device for storing machined pieces of various sizes that are mixed by punching a plate material, the machined piece having an inclined surface for feeding the machined pieces and having a predetermined size or less. A plurality of openings through which the workpiece is dropped, the inclined plate having a discharge end portion for discharging the processed piece having a predetermined size or more from the end portion, and the processed piece falling through the opening. A first storage box and a second storage box for storing the processed piece discharged from the discharge end
A storage box for the processed piece, comprising: 2. The first group of openings, wherein the plurality of openings have a first inner diameter corresponding to the predetermined size, and the first opening group.
The second opening group having a second inner diameter smaller than the inner diameter of the second opening group, the second opening group being located upstream of the first opening group. Single storage device. 3. The work piece storage device according to claim 1, wherein the discharge end portion includes a plurality of projecting pieces for dispersing the work piece to be discharged in a plurality of directions.