JP2003260525A - Pressing mold - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a pressing mold which can realize pressing in any arbitrary production direction in a workpiece supply direction and simultaneous pressing of a plurality of workpieces and can realize highly accurate pressing. <P>SOLUTION: The vertical motion of a cam part is converted and transmitted by a slide cam 6 to horizontal motion. The horizontal motion of the slide cam 6 operates a plurality of tools 11 which are guided in radially extended grooves by guide holes 15, which are formed on a disk cam 9 and control a moving distance, and movable pins 16. When the disk cam 9 is rotated, the tools 11 are moved in the outer peripheral direction and, together with a die disposed in an upper mold being lowered, conduct side pressing of product, whereby simultaneous pressing of a plurality of products in any direction can be realized with high accuracy. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a press die, and more particularly to a cam mechanism capable of working in the feeding direction of a work material and capable of simultaneously working a plurality of products in arbitrary directions. The present invention relates to a press die equipped with.

[0002]

2. Description of the Related Art Conventionally, a slide cam mechanism in a press die has a structure in which vertical movement of a cam arranged in an upper die of the die is converted and transmitted as a horizontal movement to a slide cam provided in a lower die. Therefore, there are restrictions on the processing direction of the product and the simultaneous multiple processing.

An example of a conventional machining method using a cam structure of a mold will be described below with reference to the drawings.

FIG. 4 shows an example of a press die having a conventional cam structure. In this press die structure, in the process of processing into a product, the vertical movement of the cam 21 provided on the upper die converts and transmits the movement direction as a horizontal movement to the slide cam 22 provided on the lower die. At the time of movement, the slide cam 22 performs a slide movement with its movement direction restricted by the outer shape guide 23a that performs horizontal direction regulation and the outer shape guide 23b that performs vertical direction regulation, and press-processes the product with the die 24. I do.

[0005]

Generally, in the case of the method of driving the slide cam arranged in the lower mold by the cam arranged in the upper mold, the slide cam arranged in the lower mold is replaced with the cam of the upper mold. On the other hand, there are cases where it is configured in one-to-one or one-to-many, and with this type of cam mechanism, there is a large limitation to drive the slide cam in the processing direction of the product and to perform simultaneous processing, and It has been difficult to perform multiple machining simultaneously from any direction. for that reason,
When performing multiple machining simultaneously from any direction on the product, it is necessary to take measures such as installing the number of cams and processes according to the number of machining or machining direction, which results in multiple processes Has a problem that it becomes large and complicated, and that the variation in processing accuracy of the product becomes large.

[0006]

In order to solve this problem, the present invention provides a press die including an upper die and a lower die,
One die is equipped with a die and a cam, and the other die is engaged with a cam provided in one die to move horizontally in the slide cam and in the horizontal movement of the slide cam. A flat plate cam that rotates in conjunction with each other, a guide member that is provided on the upper surface of the flat plate cam and that has a plurality of guide grooves, and a plurality of tools that are guided by the guide grooves and that move in conjunction with the rotation of the slide cam Equipped with one of the dies, engages the cam provided on the one die and the slide cam provided on the other metal fitting, moves the slide cam in the horizontal direction, and rotates the plane disc cam. The tool is moved and fixed along the guide groove.

According to the present invention, it is possible to perform simultaneous plural machining of a product in arbitrary directions, and it is possible to perform highly accurate machining, and at the same time, simultaneously perform plural simultaneous machining of products in an arbitrary direction in a press die. Can be easily processed.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION The invention according to claim 1 of the present invention is a press die having an upper die and a lower die, one die having a die and a cam, and the other die. The mold has a slide cam that moves in the horizontal direction by engaging with a cam provided in one mold, a flat plate cam that rotates in conjunction with the horizontal movement of the slide cam, and an upper surface of the flat plate cam. Provided with a plurality of guide grooves, and a plurality of tools that are guided by the guide grooves and move in synchronization with the rotation of the slide cam. Characterized in that the cam provided on the other side and the slide cam provided on the other mold are engaged, the slide cam is moved in the horizontal direction, the flat plate cam is rotated, and the tool is moved and fixed along the guide groove. Therefore, the present invention enables simultaneous multi-processing of a product in any direction, and further Specifically, in a press processing device using a cam, a slide cam, and a flat plate cam, it is possible to simultaneously process workpieces on tools arranged in multiple directions in the radial direction. High-precision machining that was difficult with machining is possible, and even if the number of machining and the machining direction are different, make the necessary changes to the guide groove in the guide member and the slide hole machined on the flat plate cam. As a result, it is possible to easily perform multi-direction simultaneous processing, and further, it is possible to easily perform processing in the supply direction of the workpiece.

The invention according to claim 2 is characterized in that the slide cam is provided with a pin which is loosely inserted in the groove of the flat plate cam, and the flat plate cam is rotated by the pushing motion of the slide cam. It has the same operation as the invention described in claim 1.

The invention according to claim 3 is characterized in that the flat plate cam is provided with a slide hole, and a slide pin having one end fitted to a tool is fitted into the slide hole. , Has the effect of providing a press die that enables simultaneous multiple processing of a product in any direction.

According to a fourth aspect of the invention, the guide member is
It is characterized by having a regulating means for regulating the movement of the flat plate cam in the circumferential direction and a radial guide groove for guiding the tool. By simple means, simultaneous multiple machining of products in arbitrary directions is possible. It has an effect that a tool for performing the above can be installed, and a press die that enables simultaneous multiple processing can be provided.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a side view of a mold structure for performing multi-direction simultaneous machining according to an embodiment of the present invention, FIGS. 2 and 3 are plan views of a lower mold, and FIG. 2 shows a cam descending. Shows the previous state,
FIG. 3 shows the state after the cam is lowered.

In FIG. 1, reference numeral 1 designates an upper die, which is composed of a cam portion 2 for vertically moving, a die 3 for processing a product, and a guide post 4 for keeping the accuracy of the vertical movement and suppressing the behavior. There is. The die 3 is provided with a shape and structure capable of simultaneously processing a plurality of workpieces, which will be described later. Reference numeral 5 denotes a lower mold, and a slide cam 6 for converting and transmitting the vertical motion of the upper mold 1 into a horizontal motion, a pin 7 fitted in the slide cam 6, and a rotary motion by the horizontal motion of the slide cam 6. Slide hole 1 to match the number of tools described below.
5, the disc cam 9 having the disc 5, the slide pin 16 fitted in the slide hole 15 and the guide groove 10 arranged in the radial direction from the center of the outer shape guide 8 are fitted to the center of the outer shape guide 8. And a plurality of tools that move in and out in the radial direction via the slide pin 6, the disc cam 9 and the tool 11 provided on the lower die 5, and the role of a presser board that regulates the vertical movement of the slide cam 6. A setting means 8a for controlling the movement of the disc cam 9 in the circumferential direction, a guide groove 10 extending in the radial direction in which the tool 11 is guided, and a contour guide 8 having the same virtual center as the slide cam 6. A bolt 12, a spring 13, which is provided between the end of the slide cam 6 and the frame of the lower die 5, and acts as a return mechanism of the slide cam 6,
Guide bush 14 into which the upper guide post 4 is inserted
It is composed of.

The pin 7 fitted in the slide cam 6 is loosely inserted in a groove 9a which is a fitting portion provided in the disk cam 9, and is moved by the horizontal movement of the slide cam 6 through the pin 7. The disc cam 9 is rotated. The disc cam 9 is provided with a slide hole 15 that regulates the rotation stroke of the disc cam 9. A slide pin 16 is provided in the slide hole 15.
Is inserted and the upper end of the slide pin 16 is the tool 1
It is fitted on the back side of 1. Therefore, the cam portion 2 of the upper die 1
When the slide cam 6 of the lower die 5 and the lower mold 5 are not engaged, the slide cam 6 is biased in the return direction by the spring 13 and is fixed at the return position shown in FIG. The slide pin 16 that pushes the tool 11 toward the center along the guide groove 10 that is arranged in the radial direction from the center of the outer shape guide 8 moves the tool 11 in the direction shown in FIG.
Fixed in place at the center position shown in.

On the other hand, when the upper die 1 is lowered, the cam 2 is fitted into the cam portion 6a of the slide cam 6 and moves the slide cam 6 in the horizontal direction by the horizontal stroke of the cam portion 6a. When the slide cam 6 moves in the horizontal direction, the disk cam 9 is moved through the pin 7 that is loosely inserted into the groove 9a of the disk cam 9.
Is rotated by being pushed by the stroke of the cam 6a in the horizontal direction, and the center of the slide cam 6 is moved along the guide groove 10 provided in the outer shape guide 8 with the tool 11 through the slide pin 16 by the slide hole 15. It is fixed by moving a fixed distance outward in the radial direction away from. In this state, upper mold 1
Of the die 3 presses the tool 11 and presses the workpiece placed on the plurality of tools 11.

In the present embodiment, five tools 11 are provided, but the number of tools is not limited, and all of these tools 11 have a fixed distance from the center of the slide cam 6 in the radial direction. It is fixed in separate positions and pressed simultaneously by the die 3. During this press operation,
As the disc cam 9 rotates, the tool 11 moves in the outer peripheral direction, and at this time, the side surface of the product is machined between the tool 11 and the die 3 of the upper mold that has descended, so that the product 11 can be moved in any direction. Multiple processing can be done at the same time.

FIG. 3 shows a state after processing, that is, the disc cam 9
Indicates that the tool 11 has rotated and the tool 11 has moved in the outer peripheral direction.
When the upper mold 1 rises from this state and the cam 2 rises accordingly, the spring 1 connected to the slide cam 6
2 and the slide cam 6 returns to the position shown in FIG. 2, and the disk cam 9, the slide hole 15, and the tool 11 also return to the position shown in FIG.

As described above, in the present embodiment, the press processing apparatus using the cam 2, the slide cam 6, and the disk cam 9 is used to perform the press processing so that the lower mold is arranged in the radial direction in multiple directions. Further, it becomes possible to simultaneously machine the work piece with a plurality of tools, and it is possible to carry out high-precision machining which was difficult in multi-step machining.

Further, even when the number of processings or the processing direction is different, it is possible to easily increase the number by easily changing the guide groove 10 formed on the outer shape guide 8 and the guide hole 15 formed on the disc cam 9. Simultaneous direction processing is possible.

Further, by using the mold structure of the present invention, it is possible to easily perform processing in the supply direction of the work material.

[0022]

As described above, according to the present invention, it is possible to simultaneously perform a plurality of processes in arbitrary directions, which has been difficult with the conventional press die, and further, it is possible to obtain an advantageous effect that accuracy can be improved. To be

Further, when the product is mounted on a press die, it is possible to easily perform the processing in the supply direction of the material to be processed when the product is simultaneously processed in plural directions.

[Brief description of drawings]

FIG. 1 is a side view of a die structure for multi-directional simultaneous machining of products using a disc cam of the present invention.

FIG. 2 is a plan view of a lower die showing the positional relationship between the tool and the disc cam before machining by the cam of the present invention.

FIG. 3 is a plan view of a lower die showing the positional relationship between the tool and the disc cam after the cam of the present invention is machined.

FIG. 4 is an example of a mold structure for processing a product by using a conventional cam.

[Explanation of symbols]

1 Upper mold 2 cams 3 dies 4 Guide post 5 Lower mold 6 slide cam 6a cam 7 pin 8 Outline guide 9 disk cam 9a groove 10 guide groove 11 tools 12 volt 13 spring 14 Guide bush 15 slide hole 16 slide pins

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Hideo Mine             1006 Kadoma, Kadoma-shi, Osaka Matsushita Electric             Sangyo Co., Ltd. (72) Inventor Nobuhiro Okada             1006 Kadoma, Kadoma-shi, Osaka Matsushita Electric             Sangyo Co., Ltd. (72) Inventor Hideaki Hamada             1006 Kadoma, Kadoma-shi, Osaka Matsushita Electric             Sangyo Co., Ltd. F-term (reference) 4E050 DA04 DA05

Claims (4)

[Claims] 1. A press die including an upper die and a lower die, wherein one die is provided with a die and a cam, and the other die is engaged with a cam provided in the one die. A slide cam that moves in the horizontal direction, a flat plate cam that rotates in conjunction with the horizontal movement of the slide cam, a guide member that is provided on the upper surface of the flat plate cam, and that has a plurality of guide grooves, and a guide. Equipped with a plurality of tools that are guided by the grooves and move in synchronization with the rotation of the slide cam, one mold is operated, and the cam provided in one mold and the slide cam provided in the other mold , The slide cam is moved in the horizontal direction, the flat plate cam is rotated, the tool is moved and fixed along the guide groove, and the die is pressed to enable simultaneous multiple machining of products in arbitrary directions. Press machine. 2. The press device according to claim 1, wherein the slide cam is provided with a pin that is loosely inserted into the groove of the flat plate cam, and the flat plate cam is rotated by the pushing motion of the slide cam. 3. The press device according to claim 1, wherein the flat plate cam has a slide hole, and a slide pin having one end fitted to a tool is fitted and inserted into the slide hole. 4. The guide member is provided with a regulating means for regulating the circumferential movement of the plane disc cam and a radial guide groove for guiding the tool. The press device described.