JPH05318003A - Method for taking work out of press device - Google Patents

Abstract

PURPOSE:To disuse taking-out of work by human aid and to prevent the deterioration of quality such as scratching of work by taking a constitution that a work which is blanked and fallen into the hollow part of a die is chucked and carried out. CONSTITUTION:When a movable die 17 is moved forward a die 5 with a hydraulic cylinder 15, the work W having a shape that conforms to the hollow part 7 of the die 5 is blanked out of a metallic sheet 65 and formed. The work W is sucking held with a chuck member 43 on standby, moved downward with a cylinder 41 and moved to the outside of the die 5 with a cylinder 31. Then, the chuck member 43 with the work W sucked is turned by 180 deg. with a rotary actuator 37, lowered with the cylinder 41 and the work W is placed on a table 23.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a work picking method in a press machine.

[0002]

2. Description of the Related Art In a conventional press machine for punching a work of a predetermined shape that matches a hollow part of a die from a metal plate, a punched work is dropped in the hollow part of the die and a table is provided below the die. Collected on top.

Then, the operator transfers a large number of works accumulated on the table into a container and conveys them to the next processing device, then sequentially takes out the works from the container and mounts them on the next processing device.

[0004]

However, the above-mentioned conventional method has the following problems.

That is, since the processing oil adheres to the surface of the punched workpieces, when the workpieces are piled up and accumulated, the surface tensions of the processing oils make the workpieces adhere to each other and easily separate from each other. However, it takes a long time to rearrange the works, the workability is poor, and there is a possibility that a plurality of works that are in close contact with each other are simultaneously supplied to the next processing apparatus.

Further, when the work passes through the hollow part of the die and falls on the table by its own weight, the stacking posture of the work is disturbed, or the work is deformed due to the contact between the work edge and the die or the drop on the table. Or scratched, degrading the quality of the work.

Further, in order to automate the supply of the work to the next processing apparatus, it is indispensable that the work itself to be supplied is positioned, but in the conventional work taking-out method, the work is positioned. Then, it is difficult to collect them on the table, and it is the current situation that they are stored in the magazine by relying on manual labor.

The present invention has been invented in order to solve the above-mentioned conventional drawbacks, and an object of the invention is to prevent punching work pieces from overlapping, scratching, and deforming. It is an object of the present invention to provide a method for taking out a work in a press device that can take out a work piece in a state and can feed the pieces one by one onto a table for taking out the next process in a correct posture.

Another object of the present invention is to provide a method for taking out a work in a press device capable of directly holding a punched work and directly supplying it to the next step.

[0010]

Therefore, the first aspect of the present invention is as follows.
When moving and taking out a work having a shape corresponding to the hollow part of the die from the metal plate by inserting the movable mold into the die of the press device having a hollow part that matches the shape of the work to be punched, The chuck member, which is movably supported at a position corresponding to the lower side of the die, is moved into the hollow portion of the die by an up-and-down moving member that is driven prior to punching of the metal plate, and then waits for movement.
The work punched out from the metal plate is directly held by the chuck member, and then the vertically moving member that moves back moves the chuck member that holds the work downward and positions it outside the hollow part of the die. Then, the chuck member is moved to a predetermined release position to take out the work.

According to a second aspect of the present invention, a movable die is inserted into a die of a press device having a hollow portion having a shape corresponding to a shape of a work to be punched, and a shape corresponding to a hollow portion of the die is formed from a metal plate. When moving and taking out the workpiece, the chuck member, which is movably supported at the position corresponding to the lower side of the die, is moved into the hollow part of the die by the vertical movement member that is driven prior to punching the metal plate, and waits for movement. After that, the work punched out from the metal plate is held by the chuck member while guiding it with the guide provided on the die, and then the chuck member holding the work is moved downward by the vertical moving member that moves back to move the hollow of the die. It is characterized in that, after being positioned outside the unit, the traveling body is moved to move the chuck member to a predetermined release position to take out the work.

Further, according to a third aspect of the present invention, a movable die is inserted into a die of a press having a hollow portion having a shape corresponding to a shape of a work to be punched, and a shape corresponding to a hollow portion of the die is formed from a metal plate. When moving and taking out the workpiece, the workpiece punched out from the metal plate is guided and held by the guide provided on the die against the chuck member that is movably supported at the position below the die. Then, the chuck member holding the work is moved from the die to a predetermined release position to take out the work.

[0013]

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

FIG. 1 is a perspective view showing an arrangement state of a press device and a take-out device.

The die 5 is attached to the body frame 3 of the press machine 1.
Is attached in a replaceable manner, and a hollow portion 7 is formed in the center of the die 5 so as to match the shape of the work W to be punched.

An opening 9 is formed in the body frame 3 to which the die 5 is attached so as to coincide with the hollow portion 7.

Four guide shafts 11 having an axis in the vertical direction are attached to the main body frame 3, and a slider 13 is supported on the guide shaft 11 so as to be movable in the axial direction.

A hydraulic cylinder 15 fixed to the main body frame 3 is connected to the slider 13, and the hydraulic cylinder 15 moves the slider 13 between a lower position which coincides with the die 5 and an upper position which is separated from the die 5. It

A movable mold 17 having a shape insertable into the hollow portion 7 of the die 5 is replaceably attached to the lower surface of the slider 13.

On the other hand, a take-out device 19 is arranged on the side surface of the press device 1.

The front and rear frames 21 of the take-out device 19 are formed to extend in the front-rear direction at the same height as the lower side of the die 5, and a table 23 is attached to the front end thereof.

A front-rear traveling body 25 is supported on the front-rear frame 21 so as to be movable in the front-rear direction.

A feed screw 27 supported by the front and rear frames 21 is meshed with the front-rear traveling body 25, and an electric motor 29 connected to the feed screw 27 drives the rear position corresponding to the lower side of the die 5 and the table. It is moved to the front position on the 23 side.

A first cylinder 31 having an axis line in the left-right direction is attached to the front-rear traveling body 25, and a first holder 33 is attached to the rod of the first cylinder 31.

Reference numeral 35 in the drawing is a guide rod slidably supported by the front-rear traveling body 25, and its tip end is fixed to the first holder 33.

A rotary reactor 37 is attached to the first holder 33, a second holder 39 is attached to the rotary shaft of the rotary actuator 37, and the second holder 39 is moved to 180 by the operation of the rotary actuator 37. Is rotated once.

A second cylinder 41 having a stroke corresponding to the height width of the hollow portion 7 having an axis in the vertical direction and the opening 9 is attached to the second holder 39, and the rod of the second cylinder 41 is attached. The first chuck member 4
3 is attached.

Reference numeral 45 in the drawing denotes the second holder 3
9 are two guide rods slidably supported,
The upper part of the guide rod 45 is fixed to the first chuck member 43.

The chuck plate 46 of the first chuck member 43.
A plurality of suction members 47 are attached to the.

Next, a method of taking out the work W by the example of the apparatus configured as described above will be described with reference to FIGS.

FIG. 2 is a partial cross-sectional explanatory view showing the standby state of the first chuck member 43.

FIG. 3 is a partial cross-sectional explanatory view showing the holding state of the work during punching.

FIG. 4 is a partial cross-sectional explanatory view showing a state where the work is taken out from the die.

FIG. 5 is an explanatory view showing a state where the work is released on the table.

When a continuous metal plate 65 is transferred at a predetermined pitch by a supply device (not shown) provided on the carry-in side of the pressing device 1, the metal plate 65 to be punched out is transferred to the die 5.
It is loaded on top.

In this state, the first chuck member 43
Is waiting to move to the upper position in the hollow portion 7 of the die 5 by the front-rear traveling body 25 moved to the side of the die 5 by the drive of the electric motor 29 and the operated first and second cylinders 31 and 41. ..

The standby position of the first chuck member 43 is set slightly below the lower surface of the movable mold 17 inserted into the die 5 and set to a height at which the punched work W can be directly supported.

The first chuck member 43 is rotated by the driven rotary reactor 37 so that the suction member 47 faces upward.

Hydraulic cylinder 1 operated in the above state
When the movable die 17 is moved toward the die 5 by the 5 and is inserted, a work W having a shape matching the hollow portion 7 of the die 5 is punched and formed from the metal plate 65.

Then, the work W is directly sucked and held by the chuck member 43, which is waiting to move to the first upper position immediately after punching.

Next, the work W is moved downward in the hollow portion 7 of the die 5 by the second moving cylinder 41, and then moved to the outside of the die 5 by the first moving cylinder 31. It

The work W is driven by an electric motor 29.
As a result, the front-rear traveling body 25 traveling on the front-rear frame 21
Is moved above the table 23.

Next, the driven rotary reactor 37
The first chuck member 43 is rotated 180 degrees to control the posture of the work W sucked and held downward so that the work piece W is moved downward by the second cylinder 41 that operates. Is brought close to the mounting surface of the table 23.

In this state, the work W by the suction member 47
Is released, the work W is transferred onto the table 23, and the take-out operation is completed.

As described above, in the present embodiment, when the work W is punched out, the first chuck member 43 is moved and waits above the hollow portion 7 of the die 5 to hold the punched work W directly. Compared with the conventional take-out method in which the workpiece W is taken out by dropping it by its own weight, it can be taken out in the punching posture, and the workpiece W is scratched and deformed when it is dropped by its own weight, and a large number of workpieces W accumulated below the die 5 are machined. It is possible to prevent them from sticking to each other with oil or the like.

A second aspect of the present invention is a method for holding the punched work W while holding the chuck member 43 below the hollow portion 7 of the die 5 and taking it out.

In this case, a guide member can be attached to the inner surface of the hollow portion 7 of the die 5, and the guide member can be held by the chuck member 43 while preventing the posture of the workpiece W from being disturbed.

Further, the invention of claim 3 is the chuck member 4
This is a method in which the work 3 punched out is moved to the outside of the hollow portion 7 of the die 5 and stands by, and the punched work W is held and taken out.

In this case, the die 5 is used as in the second aspect of the invention.
A guide member is attached to the inner surface and the lower portion of the hollow portion 7 of
These guide members can hold the work W on the chuck member 43 while preventing the posture of the work W from being disturbed while falling.

The hollow portion 7 of the die 5 described above is used.
As the guide member provided on the inner surface of the die, an uneven portion integrally formed with the die 5 depending on the shape of the work may be used as the guide member.

The take-out device described above is equivalent to the chuck member 4
Although the work 3 is linearly moved in the front-back direction and the vertical direction to take out the punched work W, the type of the take-out device is not limited to the embodiment.

For example, an articulated arm or a swivel arm may be provided, and the chuck member may be non-linearly moved to be taken out.

In the above description, the method of moving the first chuck member 43 between the lower portion of the hollow portion 7 of the die 5 and the outside of the die 5 by the second cylinder 41 and taking it out is described below. If there is sufficient space in the first cylinder 31, the first cylinder 31 does not move the chuck member 43 below the die 5, and
The chuck member 43 may be directly moved to the outside of the die 5 to take out the work W.

In the above description, since the work W is once placed on the table 49, the rotary reactor 37
However, the reverse rotation of the first chuck member 43 does not limit the scope of the present invention, and for example, the work W remains upward. The workpiece W may be transferred from above to another chuck member that comes into contact therewith and conveyed to the next processing device.

Although the second cylinder 41 is used as the vertically moving member in the above description, the gear connected to the electric motor is rotatably supported by the second holder 39, and the feed screw is provided at the center of the gear. Bite together. Then, the upper end of the feed screw is rotatably connected to a chuck member, to which the upper end of a guide rod movably supported in the second holder 39 in the vertical direction is fixed, so that the chuck member moves up and down as the gear rotates. It may be moved.

[0056]

As described above, the present invention can provide a work taking-out method in a press device capable of taking out punched works in a punched posture while preventing overlapping, damage and deformation of the punched works. is there.

Further, the present invention can provide a method for taking out a work in a press device capable of directly holding a punched work and directly supplying it to the next step.

[Brief description of drawings]

FIG. 1 is a perspective view showing an arrangement state of a press device and a take-out device.

FIG. 2 is a partial cross-sectional explanatory view showing a standby state of a first chuck member 43.

FIG. 3 is a partial cross-sectional explanatory view showing a holding state of a work at the time of punching.

FIG. 4 is a partial cross-sectional explanatory view showing a taken-out state from a die.

FIG. 5 is an explanatory diagram showing a state where a work is released on a table. 1: Pressing device 5: Die 7: Hollow part 17: Movable mold 25: Front-rear traveling body 43: First chuck member 65: Metal plate W: Work piece

Claims (3)

[Claims] 1. A movable die is inserted into a die of a press device having a hollow portion having a shape corresponding to the shape of the work to be punched, and the work having a shape corresponding to the hollow portion of the die is moved from the metal plate. When taking out the metal plate, the chuck member, which is movably supported at a position corresponding to the lower side of the die, is moved into the hollow portion of the die by an up-and-down moving member that is driven prior to punching the metal plate, and then waits for movement. The workpiece punched out from the die is directly held by the chuck member, and then the vertically moving member that moves back moves the chuck member that holds the workpiece downward and positions it outside the hollow part of the die. A work taking-out method in a press device, wherein a work is taken out by moving a chuck member to a predetermined releasing position. 2. A movable die is inserted into a die of a press device having a hollow portion having a shape corresponding to the shape of the work to be punched, and the work having a shape corresponding to the hollow portion of the die is moved from the metal plate. When taking out the metal plate, the chuck member, which is movably supported at a position corresponding to the lower side of the die, is moved into the hollow part of the die by an up-and-down moving member that is driven prior to punching of the metal plate, and then the metal plate The work punched from the die is held by the chuck member while being guided by the guide provided on the die, and then the vertically moving member that moves back moves the chuck member holding the work downward to position it outside the hollow part of the die. After that, the moving body is moved to move the chuck member to a predetermined release position to take out the work, and the work is taken out in the press device. 3. A movable die is inserted into a die of a press device having a hollow portion having a shape corresponding to the shape of the work to be punched, and the work having a shape corresponding to the hollow portion of the die is moved from the metal plate. When the die is taken out, the work punched out from the metal plate is guided and held by the guide provided on the die against the chuck member movably supported at the position corresponding to the lower side of the die. A method for taking out a work in a press device, characterized in that the held chuck member is moved from a die to a predetermined release position to take out the work.