JPS592911Y2 - Forging press work machine - Google Patents

Description

[Detailed explanation of the idea] The present invention relates to a working machine for a forging press.

Traditional forging press work often involved using tools that stood in front of the machine.

For example, as shown in Fig. 1, the heated material sent from chute a is conveyed to rough punching die C, where after roughing, it is conveyed to finishing die d, and then to deburring die e. Then, after each work is completed, they are sequentially transported to a transport conveyor f. Conventionally, the transport work was carried out by two people, usually standing in front of the forging press machine g, using a metal forge.

However, since the material is at a high temperature during this work, the worker is exposed to the heat due to its width, and is also subjected to large vibrations during the press operation.Furthermore, the heavy material must be transported with a metal hammer, making it very difficult for the worker. there were.

There was also the problem of high labor costs.

The present invention was developed in consideration of the above-mentioned problems, and can automatically perform the above-mentioned work in place of the worker, freeing the worker from the arduous work, and reducing the cost of the work. It is an object of the present invention to provide a working machine for a forging press which has the effect of being able to reduce the amount of forging.

The configuration will be explained below based on the embodiment shown in FIG. 2 and below.

In the figure, 1 is a forging press machine, 2 is a material loading positioner provided on one side thereof, and 3 is a chute for loading a heated material 4 into the forging press machine.

Reference numeral 5 denotes a rough punching die, 6 a finishing die, and 7 a deburring die, which are provided at predetermined intervals in order from the material loading positioner 2 side.

Note that a bushing 8 and a product delivery conveyor 8a for carrying out the product after trimming are provided below the paring mold 7, and a paring delivery conveyor 9 is provided on the side of the paring mold 7. .

10.11 is the first for forging press. The second working machine is provided on both sides of the forging press machine 1 and facing each other with the center of the machine aligned in the arrangement direction of each die from the roughing die 5 to the deburring die 7.

Each of the working machines 10 and 11 has the same configuration, and one of them will be explained in detail below.

Reference numeral 12 denotes an arm, which is attached to the machine base 13 so as to be extendable and retractable and rotatable in the vertical direction.

14 is a cylinder for elevation.

A finger device 15 is attached to the tip of the arm 12.

This finger device 15 is configured as shown in FIG. 5 and below, and includes a frame 16 fixed to the tip of the arm 12,
Sub-arms 17a and 17b are located opposite to each other on both sides of this frame 16, and a finger arm 18a
, 18b and finger tips 19a, 19b.

A telescopic rod 20 is fixed to one end of each of the sub-arms 17a and 17b, and the telescopic rod 20 is fitted to both sides of the frame 16 so as to be able to slide horizontally, and the base end of this rod is attached to the frame 16. They are facing each other within 16.

A clamp cylinder device 21 is installed inside the frame 16 in a direction perpendicular to the axis of the rod 20, and the tip of the rod 22 of this device is connected to the base end of each rod 20 via a universal joint 23, respectively. They are connected via separate links 24, 25.

Further, each rod 20 is hollow and has a rotating shaft 26 inserted therethrough, and both ends thereof are connected to sub-arms 17a,
17 It is a protrusion within b.

Further, the middle part of this rotating shaft 26 is connected to a rotary drive device 21 provided in the frame 16, and a chino 2B and a sprocket 29.3.
It is connected via 0.

31 is a guide rod. At the tips of the sub-arms 17a and 17b, driven shafts 32 and 32 parallel to the telescopic rods 20 and 20 are connected to the chino 2 with respect to the rotation shafts 26 and 26.
7a so that it can be rotated.

This driven shaft 32.32 is the sub-arm 17a. Finger arms 18a, 1 are protruded from 17b and attached to this part.
The proximal end of 8b is fixed.

Between these finger arms 18a and 18b, finger tips 19a and 19b are arranged between finger arms 18a and 18b.
It is supported by a link device 33 so as to face parallel to 18b.

Each link device 33 has a parallel four-bar link structure,
When the finger arms 18a, 18b move apart, the finger tips 19a, 19b approach each other, and when the finger arms 18a, 18b approach each other, the finger tips 19a, 19b move apart.

Opposing portions of the finger tips 19a and 19b are shaped to facilitate clamping of the material.

In the above configuration, as the clamp cylinder device 21 expands and contracts, the sub-arm 17 is moved relative to the frame 16.
a and 17b are moved in symmetrical directions, and when these move away, the finger tips 19a and 19b attached to the finger arms 18a and 18b approach each other and are clamped, and when the sub-arms 17a and 17b move in the approaching direction, the fingers The chips 19a and 19b are unclamped.

Further, by rotating the rotary shaft 26 with the rotary drive device 27, the driven shafts 32, 32 located at the tips of the sub-arms 17a, 17b are rotated.
8a and 18b are rotated by an arbitrary angle, for example, 180°.

Next, the working order when the forging press work machine 10.11 is used in a forging press machine will be explained with reference to FIGS. 2 and 3.

When the material 4 sent from the chute 3 is placed in the material loading positioner 2, this positioner 2 rises and the material 4 is
is lifted into the clamp position.

At the same time, the first working machine 10 located on the chute 2 side is adjusted in elevation by the cylinder 14, and the arm 12 is extended to clamp the material 4 with the finger device 15 at its tip.

Next, the arm 12 is extended and the above-mentioned material 4 is turned into a roughing mold 5.
In this state, it is unclamped and the material 4 is placed on the roughing mold 5.

Thereafter, the first working machine 10 moves the arm 12 backward and reverses the finger arms 18a, 18b to put them in a standby state.

Meanwhile, in parallel with this, the arm 12 of the second working machine 11 also extends to clamp the finished material 4 in the finishing mold 6 and lifted from the mold with the dowel pin, and then the finger arms 18a and IBb are ° Rotate material 4
is reversed and then unclamped on the deburring mold 7, and the finished material 4 is placed on the deburring mold 7.

After that, the arm 12 moves back and the finger arms 18a,
18 Invert b.

The press operation is performed after the operations of the first and second working machines are completed.

As a result, both the roughing and deburring processes are performed.

After this press operation, the first working machine 10 moves the arm 12 forward, clamps the material 4 rising from the mold with the knockout pin after rough running, then reverses it and unclamps it as described above. The roughened material 4 is placed on a finishing mold 6.

In parallel with this, the second working machine 11 advances the arm 12 and raises and lowers it, clamps the pars in the pars removal mold 7, and raises the arm 12, then retreats the arm 12 and lifts the pars onto the pars carrying conveyor 9. Unclamp with .

The product deburred by the deburring mold 7 then falls downward, is pressed by a pusher 8, and is conveyed out by a product unloading conveyor 8.

When the operations of the first and second working machines are completed, a press operation is performed, thereby performing finishing punching.

This completes the work cycle, and by repeating this process, the pressing work is performed in sequence.

In the above embodiment, the finger arms 18 a, 18 b of the finger device 15 are provided with finger tips 19 a, 19 b that operate to clamp and unclamp by moving them apart and toward each other. As shown in Figure 6, finger arms 1ga, 18'
A gripping portion may be provided at the tip of b, and the gripping portion may be used to directly clamp the portion.

In the figure, 34 is a slit into which the paris is inserted.

Further, the working machines 10 and 11 may be provided with a vertical movement mechanism or a horizontal movement mechanism as required.

The present invention is constructed as described above, and includes an arm 12 that can extend and contract and move up and down, a frame 16 fixed to the tip of this arm 12, and a frame 16 that is located on both sides of the frame 16 in the horizontal direction and moves in symmetrical directions. Supported sub-arms 17a, 17b and both sub-arms 17a, 17
Finger arms 18a, 1 are provided opposite to each other at the tips of the sub-arms 18a, 1, and are rotatable integrally about the same horizontal axis, and perform clamping and unclamping operations by movement of the sub-arms 17a, 17b.
8b, and this is arranged on at least one side of the forging press machine 1 in the direction of arrangement of the roughing die 5, finishing die 6, deburring die 7, etc. in the forging press machine 1, and the arm 12. Since the working machine for forging press is configured by installing the expansion and contraction directions in the same manner, the movement of the heated material 4 from one die to the other by the movement of each part and the reversal in between are performed by bridging force. It frees workers from hot forging work, which has been considered to be a laborious task, and also reduces labor costs for the work, thereby reducing costs.

Further, by installing the above-mentioned working machine on the side of the forging press machine 1, the front side of the press machine can be opened, making it easy to replace the die, and making it possible to visually check the working condition.

Further, according to the present invention, the sub-arm 17a. 17b moves parallel to the symmetrical direction, thus the finger arms 18a,
By also moving parallel to the symmetrical direction 18b, the clamping operation by the finger arms 18a, 18b can be performed accurately.

[Brief explanation of drawings]

Fig. 1 is a plan view showing the conventional working state of a forging press machine, Fig. 2 and the following show examples of the present invention, Fig. 2 is a plan view, Fig. 3 is a front view, and Fig. 4 is a Perspective view of main parts, 5th
The figure is a sectional view showing the internal structure of the main part, and FIG. 6 is a perspective view showing the other side of the finger arm part. 1 is a forging press machine, 5 is a roughing die, 6 is a finishing die, 7 is a deburring die, 12 is an arm, 16 is a frame,
17 a, 17 b are sub arms, 18 a, 18
b is the finger arm.

Claims (1)

[Claims for Utility Model Registration] An arm 12 that extends and contracts and moves up and down, and this arm 1
2; sub-arms 17a and 17b supported by the frame 16 so as to be located on both sides of the frame 16 in the horizontal direction and move in parallel in symmetrical directions;
(7') Both sub-arms 17a. Finger arms 18 are provided at the tips of the sub-arms 17b so as to face each other, and are rotatable integrally about the same horizontal axis, and further perform clamping and unclamping operations by movement of the sub-arms 17a and 17b.
a and 18 b, and these are arranged at least on one side of the forging press machine 1 in the arrangement direction of the roughing die 5, finishing die 6, deburring die 7, etc. in the forging press machine 1, and the above-mentioned arrangement direction. A working machine for a forging press, characterized in that the arms 12 are installed so that the directions of expansion and contraction coincide with each other.