JPH05285778A - Work conveying device of plate finishing machine - Google Patents

Abstract

PURPOSE:To provide a work conveying device which can be set in a small space, and can carry in and carry out a work to a plate finishing machine automatically. CONSTITUTION:This work conveying device is composed of a work feeding device 1 set near a plate finishing machine 2, and to carry in works 5 which are set sheet by sheet beforehand to the plate finishing machine 2 in order; a clamp 6 set near the table 2a of the plate processing machine 2, and, to grasp the works 5 carried in from the work feeding device 1 and to move them in the X-axis direction parallel to the work carrying in direction; a positioning means to position the works in the X-axis and the Y-axis directions; and a work chuter 10 to exhaust the products after completing the process by the plate finishing machine 2 from the table 2a to a product carrying out means. This work conveying device can be set in a small space near the plate finishing machine 2 easily, and at the same time, the works 5 can be carried in to the plate finishing machine 2 fully automatically.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a work transfer device for transferring a work into and out of a plate material processing machine such as a laser processing machine.

[0002]

2. Description of the Related Art Conventionally, as this type of work transfer device, for example, the one shown in FIG. 1 has been proposed. In the conventional work transfer device described above, an automatic stocker c that stocks the work b and a vacuum loader d that carries the work b taken out from the auto stocker c to the plate processing machine a are provided on the upstream side of the plate processing machine a. Further, on the downstream side, a clamp type unloader e that carries out the work b processed by the plate material processing machine a,
A shuttle carriage g is installed to place the work b carried out by the unloader e on the pallet f and carry it out.

[0003]

However, in the above-described conventional work transfer device, since the work transfer devices are installed on the upstream side and the downstream side of the plate material processing machine a, the entire device becomes large and the manufacturing cost is high. However, there is a problem in that a large amount of space is required to install the device. Further, when the double feeding of the work b occurs, the entire apparatus stops, which causes a decrease in productivity and requires a setup change every time the size of the work b changes. There were also problems such as taking time. The present invention has been made to solve the above problems, and provides a work transfer device for a plate material processing machine that can be easily installed in a small space and does not require setup change even if the size of the work changes, at low cost. The purpose is that.

[0004]

In order to achieve the above-mentioned object, the present invention provides a work supply device which is installed in the vicinity of a plate material processing machine and sequentially carries in workpieces set in advance one by one into the plate material processing machine. A clamp which is provided in the vicinity of the table of the plate material processing machine and which grips a work carried in by a work supply device and moves in the X-axis direction parallel to the work-carrying-in direction; It comprises a positioning means for positioning in the direction, and a work shooter for discharging the product processed by the plate material processing machine from the table to the product unloading means.

[0005]

[Operation] With the above configuration, all of the work loading, the X-axis and Y-axis positioning, and the product unloading after the processing is completed can be automatically performed, so that the plate material processing machine can be operated unattended.

[0006]

Embodiment An embodiment of the present invention will be described in detail with reference to the drawings shown in FIG. In FIG. 2, reference numeral 1 denotes a work supply device installed on the side of a plate material processing machine 2 such as a laser processing machine, and a pedestal 1b in which pillars 1a are erected at four corners and each pillar 1
It is composed of a plurality of stages of roller conveyors 3 housed between a and hydraulic lifters 4 that move the roller conveyors 3 up and down. The roller conveyors 3 are machine frames 3a provided on both sides.
A large number of friction rollers 3b are laid horizontally between them at equal intervals, and one end of each roller 3b is provided with a conveyor motor 3 provided for each roller conveyor 3 via a chain 3c.
It is connected to d. Further, each of the roller conveyors 3 previously contains one work 5 to be carried into the plate material processing machine 2.

On the other hand, the work 5 carried into the plate material processing machine 2 by the roller conveyor 3 is clamped by the clamp 6 which is movable in the X-axis direction, and the table 2 of the plate material processing machine 2 is clamped.
The roller 2b provided on the upper part of a is moved in the X-axis direction, and is brought into contact with the X-axis direction stopper 7 installed on the downstream side to be positioned in the X-axis direction. The X-axis direction stopper 7 has a cylindrical shape as shown in (a) and (b) of FIG. 5, and the work 5 is abutted against the outer peripheral surface thereof by the work 5.
A seating detector 8 is provided below the X-axis direction stopper 7 to detect the contact of the work 5 with the X-axis direction stopper 7.

Further, on the table 2a of the plate material processing machine 2, a work lifter 9 for lifting the work 5 when the work 5 is positioned in the Y-axis direction, and a work out of the work 5 processed by the plate material processing machine 2 A shooter 10 is installed. As shown in FIG. 6, the work lifter 9 includes a plurality of support rods 9b vertically moved by a lift cylinder 9a and a plurality of free bearings 9c mounted on the support rods 9b.
Is lifted from below to allow the work 5 to move in the Y-axis direction, and the work 5 lifted by the work lifter 9 is clamped in the direction of the clamp 6 at a position facing the clamp 6 with the work lifter 9 interposed therebetween. (Y-axis direction)
A work pushing-out mechanism 12 for pushing the work is provided. As shown in (a) and (b) of FIG. 7, the work pushing mechanism 12 has a pushing cylinder 12b that is movable in the Y-axis direction and has an operating portion 12a that rotates about 90 °. A lever 12c that pushes out the work 5 in the direction of the clamp 6 is attached to the operating portion 12a of the push-out cylinder 12b.

On the other hand, the clamp 6 for gripping the work 5 and moving it in the X-axis direction, as shown in FIGS.
X supported on a guide rail 14 laid in the X-axis direction
The clamp cylinder 1 is attached to the upper part of the axle truck 15.
6 is openable and closable, and the lower portion of the X-axis carriage 16 is screwed into an X-axis ball screw 17 rotated by an X-axis motor (not shown). The clamp 6 is moved.

As shown in FIG. 9, a work shooter 10 for discharging a product out of the work 5 that has been processed by the plate material processing machine 2 is centered on the pin 10b by an opening / closing cylinder 10a provided below the roller 2b. It has a pair of chutes 10c that are opened and closed downward.
The product which is dropped from the table 2a when the table is opened is unloaded from the plate material processing machine 2 by the product unloading conveyor 19 installed in the lower part of the table 2a.

Next, the operation of the work transfer device configured as described above will be described. The hydraulic lifter 4 raises each roller conveyor 3 in response to a command from a control device (not shown), and the commanded roller conveyor 3 is moved to the plate material processing machine 2. It is stopped at the same height as the upper surface of the table 2a. Next, conveyor motor 3d
Rotates the roller 3b of the roller conveyor 3 to load the work 5 preset on the roller 3b into the plate material processing machine 2, the clamp 6 which is on standby holds the work 5, and the tip of the work 5 is The work 5 is moved in the X-axis direction until it hits the X-axis direction stopper 7,
The positioning in the X-axis direction is performed by. After that, the clamp 6 releases the work 5 in response to a signal from the seating detector 8, and at the same time, the lift cylinder 9a of the work lifter 9 lifts the work 5 on the roller 2b through the free bearing 9c, and the free bearing 9c lifts the work 5.
Can be moved in the Y-axis direction.

In this state, the work pushing-out mechanism 12 pushes the work 5 in the Y-axis direction, so that the work 5 is pressed against the Y-axis stopper (not shown) provided in the clamp 6 and positioned in the Y-axis direction. Is done. After that, the work lifter 9 is lowered to its original position by a signal from a seating detector (not shown) that detects the positioning in the Y-axis direction, and the lever 12c of the work pushing-out mechanism 12 is rotated by 90 ° to move the lever 12c. Since the tip is retracted below the upper surface of the table 2a, the work 5 and the lever 12c do not interfere with each other during processing.

When the positioning of the work 5 in the X-axis and Y-axis directions is completed as described above, the clamp 6 moves the work 6 in the X-axis direction and is movable in the Y-axis direction of the plate material processing machine 2. The machining of the work 5 is started by 2d. Also, depending on the processing position, part of the work 5 may enter the roller conveyor 3 side, but since each roller 3b made up of friction rollers is in a free state while the conveyor motor 3d is stopped, the work 5 cannot be moved. The roller conveyor 3 can be used for the sub-table without causing any trouble.

On the other hand, among the works 5 processed by the plate material processing machine 2, the product is the chute 10c of the work shooter 10.
Is opened downward, the product unloading conveyor 19 carries the product out of the plate material processing machine 2, and the scrap is carried out to the roller conveyor 3 side and is housed in the roller conveyor 3 into which the work 5 is carried. By repeating the above operation, the plurality of works 5 previously set on the roller conveyor 3 can be automatically carried into the plate material processing machine 2 and processed.

[0015]

As described above in detail, according to the present invention, since it is only necessary to install the work supply device in which a plurality of works are set in the vicinity of the plate material processing machine, the upstream side and the downstream side of the conventional plate material processing machine. Compared to the one with a work loading / unloading device installed,
The space required for installation can be greatly reduced. In addition, since the preset workpieces are loaded into the plate processing machine one by one,
Double blank prevents the entire device from stopping,
As a result, productivity can be improved, and even if the size of the work is changed, it is not necessary to change the setup each time, so the number of man-hours required for the setup change can be reduced.

Further, since the work carried into the plate material processing machine is automatically positioned in the X-axis and Y-axis directions and processing is started, unmanned automatic operation is possible and
Since the positioning accuracy is also improved, the material yield is improved. Moreover, since the work travel distance is shorter than that of the conventional one, the cycle time can be shortened and processed products and scraps can be carried out separately, so there is no need for sorting work after carrying out. is there.

[Brief description of drawings]

FIG. 1 is an explanatory view showing a conventional work unloading device.

FIG. 2 is a perspective view of a plate material processing machine in which a work transfer device according to an embodiment of the present invention is installed.

FIG. 3 is a front view of a plate material processing machine in which a work transfer device according to an embodiment of the present invention is installed.

FIG. 4 is a plan view of a plate material processing machine in which a work transfer device according to an embodiment of the present invention is installed.

5A is a plan view of the vicinity of an X-axis stopper. FIG. (B) It is a side view near the X-axis stopper.

FIG. 6 is a detailed view of a work lifter.

FIG. 7A is a plan view of a work pushing mechanism. (B) It is a side view of a work pushing-out mechanism.

FIG. 8 (a) is a rear view around the clamp. (B) It is a side view near the clamp.

FIG. 9 is a detailed view of a work shooter.

[Explanation of symbols]

1 ... Work supply device, 2 ... Plate processing machine, 2a ... Table, 5 ... Work, 6 ... Clamp, 10 ... Work shooter.

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification code Internal reference number FI technical display location B23Q 7/08 A 7411-3C

Claims (1)

[Claims] 1. A work supply device 1 which is installed near the plate material processing machine 2 and sequentially carries in the workpieces 5 set in advance one by one, and in the vicinity of the table 2a of the plate material processing machine 2. A clamp 6 which is provided and grips the work 5 carried in by the work supply device 1 and moves in the X-axis direction parallel to the work-carrying-in direction, and positioning for positioning the carried work 5 in the X-axis and Y-axis directions Means and
A work transfer device for a plate material processing machine, comprising a work shooter 10 for discharging a product processed by the plate material processing machine 2 from the table 2a to a product unloading means.