JPH10216868A - One sheet separating device of iron sheet work - Google Patents

Abstract

PROBLEM TO BE SOLVED: To realize the function to separate one sheet from a work material without relating to the height of the material and without changing the height of a magnet floater by arranging the magnet floater on the upper part and a work side arranging means on the lower part being mutually and vertically arranged within the total height of a work pile allowable height at a prescribed work side proper position in an iron sheet work piling position. SOLUTION: A work W is sucked with each vacuum pad 18, a vacuum hanger 17 is raised, however each work W is not still separated into one sheet. Further, it is raised, when it is entered in the territory acted with a magnet floater 1, the uppermost part work W1 is separated to one sheet and the rest work is dropped with self weight. The self weight dropped work is attracted to the knocking face of the magnet floater 1 with a permanent magnet 2. In this series of action, without relating to the piling weight, the working is completed with only one kind of small magnet floater 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for feeding an iron plate work material to, for example, a sheet metal working machine, and more particularly to a separation apparatus for separating an upper sheet from a stacked iron plate work material.

[0002]

2. Description of the Related Art For example, when a sheet metal work material is supplied on a processing table such as an NC control turret punch press for sheet metal processing, the top of the steel sheet material stored in a densely stacked state is changed each time. It is necessary to separate the individual sheets and supply them one by one using a vacuum loader or the like.

If the uppermost sheet of a densely piled flat iron plate is directly sucked by, for example, a vacuum pad or the like, a suction action occurs due to a vacuum between the plates, so that only a predetermined one sheet cannot be sucked. Conventionally, since the irregular movement of the second sheet or less is induced, a "magnet floater" is conventionally provided at one end of the deposited material to separate the deposited material into one sheet by a magnetic force.

FIG. 6 is an overall explanatory view of an iron plate work material supply system in an NC control turret punch press as an example, and FIG. 7 is an enlarged view of a main part of a magnet floater unit.

In both figures, 10/11 is the upper / lower turret of the turret punch press, 12 is the working table, and W is the iron plate work material densely stacked on the iron pallet 14 and the wooden skid 15 on the hydraulic lifter 13. ,
W ₁ shows a piece of the top. Reference numeral 16 denotes a magnet floater disposed on one end edge thereof. Reference numeral 17 denotes a vacuum hanger provided with a plurality of vacuum pads 18, and reference numeral 19 denotes a traveling guide rail.

[0006] iron work W densely stacked as shown in FIG. 7, each other separated by placing the top of the work material W several sheets of the workpiece W from one edge by magnetic action of the magnet floater 16 of the upper ₁ Vacuum pad 18 one by one
The vacuum hanger 17 is moved along the guide rail 19 along with the turret 10/1 of the turret punch press.
It is carried to one copy.

[0007]

However, in order for the above-mentioned conventional single-piece work separating function of the magnet floater 16 to function effectively, as shown in FIG. Depending on the integration height l of W, each required height dimension β /
Since it is necessary to secure α, there is a problem in cost and arrangement that many types of predetermined height dimensions of the magnet floater 16 are required.

The present invention has been made in order to solve the above-mentioned problems of the conventional example. The magnet floater 16 is provided irrespective of the accumulation height of the iron plate work material W _1.
It is an object of the present invention to provide a means capable of realizing the function of separating the uppermost steel sheet work material without changing the height of the steel sheet and without changing other related mechanisms.

[0009]

Therefore, in the present invention, an object of the present invention is to achieve the object by providing a single sheet separating apparatus for an iron plate work according to any of the following items; (1) At a position corresponding to a predetermined work side at an iron plate work material collecting position of the sheet metal working machine, a magnet floater is provided at an upper part and a work side aligning means is provided at a lower part of the total height of the work accumulation allowable height. An iron sheet work material separating apparatus.

[0010] (2) The apparatus for separating a single piece of iron plate work material according to the above (1), wherein the work side aligning means is the work attracting permanent magnet member.

(3) The apparatus according to (1), wherein the workpiece side aligning means is a workpiece abutting member and a workpiece pressing means.

[0012]

According to the configuration of the present invention as described above, the height of the magnet floater can be kept constant irrespective of the loading height of the work on the iron plate, so that the type and mounting space can be reduced. Costs can be saved.
The permanent magnet and the work pressing means are inexpensive and easy to obtain even if the size is changed.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention will be described below in detail based on a plurality of examples.

[0014]

【Example】

(Embodiment 1) FIG. 1 is a diagram corresponding to FIG. 6 illustrating the entire prior art of the first embodiment, and FIG. 2 is a diagram corresponding to FIG. 7 of an enlarged view of the magnet floater portion of the conventional example.

In FIGS. 1 and 2, the same (corresponding) components as those in FIGS. 6 and 7 are denoted by the same reference numerals, and the description thereof will not be repeated. The difference between FIGS. 1 and 2 showing the present embodiment and FIGS. 6 and 7 of the conventional example is that the magnet floater 16 having the specific height of the conventional method is provided at a position corresponding to one end of the work of the iron plate work material W storage device. In place of the above, a magnet floater 1 having a separating function is provided at an upper portion within a work accumulation allowable height. is there.

FIG. 3 is a schematic diagram showing the external appearance of the magnet floater 1 and the permanent magnet 2.

The upper magnet floater 1 has N, N facing opposite ends, like the conventional magnet floater 16.
The work side is attracted to the magnet floater 1 to generate a repulsive force between the upper and lower works W, the top work material is separated from the second work, and only the top work material is formed. Removal by the vacuum pad 18 becomes easy.

On the other hand, the lower surface of the permanent magnet 2
The whole surface of the pole and the back is an S pole, the side of the work W is attracted to the permanent magnet, and acts so as not to generate a repulsive force between the upper and lower portions of each work material, and functions to press each work material to the magnet floater 1. Each work is prevented from separating from the abutting surface of the magnet floater 1.

The interaction sequence of the two members 1 and 2 as described above will be described with reference to FIGS. 4 (a) to 4 (d): (a) The vacuum hanger 17 is lowered and the workpiece material W is moved by the vacuum pads 18. To adsorb.

(B) The vacuum hanger 17 starts to rise. At this time, each work material W is not yet separated into one piece.

[0021] is (c) vacuum hanger 17, further increases, when the magnet floater 1 enters a region which acts to separate the work material W ₁ single top, the remainder of the work is to fall by its own weight.

(D) As described above, the vacuum hanger 1
Each vacuum pad 18 of 7, only the work material W ₁ of the top is adsorbed, the residual of the workpiece to be free-fall, due permanent magnet 2 is attracted to the surface abutment of the magnet floater 1.

By the above-described operation, the magnet floater 1 which can cover the whole of the work W conventionally loaded is conventionally used.
However, in the embodiment of the present invention, only one type of small magnet floater can be used regardless of the load weight.

(Embodiment 2) Separate sheets can be realized by a combination of a magnet floater and a pressing means using an air cylinder or the like, without depending on the combination of the magnet floater and the permanent magnet as described above.

FIG. 5 is a diagram corresponding to FIG. 1 of the second embodiment. In FIG. 5, reference numeral 3 denotes an abutment plate (or a pillar) disposed in place of the permanent magnet 2 in FIG. 1 of the first embodiment, and reference numeral 4 denotes an end portion of the work material W via a urethane block 5 or the like in the direction of the arrow. From the opposite edge.

In the state shown in FIG. 4B, when each vacuum pad 18 attracts the work W and starts to ascend, the air cylinder 4 is contracted to release the urethane 5 as a pressing member from the work bundle.

Next, when the vacuum hanger 17 is lifted as shown in FIG.
Then, the first and second work materials are separated and the second and lower work materials are dropped onto the remaining work material bundle. In order to align the edge of the dropped work with the original work bundle, the air cylinder 4 is extended again, and the dropped work material is pressed against the abutment plate 3 via the urethane 5. Thus, the same effects as those of the first embodiment can be obtained.

[0028]

As described above, according to the present invention, it is possible to reduce the size of the magnet floater due to the conventional work material accumulation height, and to keep the height of the magnet floater constant. Therefore, the mounting space can be reduced, and the cost can be reduced accordingly.

On the other hand, the permanent magnet or the abutment member used at the lower portion of the magnet floater is easy to obtain even if the size is changed, and the cost is low, so there is no disadvantage.

[Brief description of the drawings]

FIG. 1 is an overall explanatory diagram of a first embodiment.

FIG. 2 is an enlarged view of a magnet floater unit shown in FIG. 1;

FIG. 3 is a schematic view of the configuration of a magnet floater and a permanent magnet.

FIG. 4 is a diagram illustrating an operation sequence according to the first embodiment.

FIG. 5 is a diagram corresponding to FIG. 1 of the second embodiment.

FIG. 6 is an overall explanatory view of a conventional iron plate work supply system.

FIG. 7 is an enlarged view of the magnet floater section of FIG. 6;

8 is a relative dimensional relationship diagram of FIG. 7;

[Explanation of symbols]

1, 16 Magnet floater 2 Permanent magnet 3 Butt plate (pillar) 4 Air cylinder 5 Urethane 10 Upper turret 11 Lower turret 12 Table 13 Hydraulic lifter 14 Iron pallet 15 Wooden skid 17 Vacuum hanger 18 Vacuum pad 19 Guide rail W Iron plate work material W ₁ at the top of the iron plate work material

Claims (3)

[Claims] 1. A magnet floater at an upper part and a work side aligning means at a lower part of a total allowable height of the workpieces at a position corresponding to a predetermined workpiece side at an iron plate workpiece material collecting position of a sheet metal working machine. An iron sheet work material separating apparatus, which is vertically arranged. 2. The apparatus according to claim 1, wherein the work side aligning means is the work attracting permanent magnet member. 3. An apparatus according to claim 1, wherein said workpiece side aligning means comprises a workpiece abutting member and a workpiece pressing means.