JP2001071055A - Press machine and punch for press working - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a press machine and a punch for press working having easy adjustment for a punching position and improving a press working precision. SOLUTION: An other end of a punch tip 1, which is arranged with a working part 3 to perform a prescribed working to the tip, is inserted into a notch part 7 of a mounting piece 16 protruding to the tip of a punch body 2, the punch tip 1 and the punch body 2 are fixed through a first hold plate 10, second hold plate 13 mounted to a first notch part 6, second notch part 5 arranged at both sides of the mounting piece 16 by fixing bolts 8, 9 orthogonal to the depth direction of the notch part 7.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a press machine represented by a turret punch press, a punch press, and the like, and a press punch for use in pressing various materials.

[0002]

2. Description of the Related Art A conventional punch press die is constituted by a combination of a punch and a die, and the structure of the punch for press working is disclosed in, for example, Japanese Patent Application Laid-Open No. 9-103829. That is, a predetermined punch is formed by inserting an engaging portion corresponding to the engaging groove formed in the punch chip into an engaging groove formed in the punch body and engaging the engaging portion, thereby fixing the punch.

[0003]

However, in the press working punch according to the above-mentioned conventional structure, the position is determined in the X direction, that is, the direction perpendicular to the direction of insertion engagement, but in the Y direction, that is, the insertion engagement. In the direction, the position is not determined by sliding or the like, and there is a problem that it is difficult to perform high-precision press working due to mounting accuracy to a press working machine and a relative relationship with a die.

An object of the present invention is to solve the above-mentioned conventional problems, and it is an object of the present invention to provide a press working machine and a press working punch which can easily adjust the punch position and improve the press working accuracy. Is what you do.

[0005]

In order to solve the above-mentioned problems, a punch for press working according to the present invention is intended to perform a predetermined working on a notch of a mounting piece protruding from the tip of a punch body. Insert the other end of the punch tip provided with the processed part, and fix the punch perpendicular to the depth direction of the notch by a fixing bolt via a holding plate attached to a notch provided on both sides of the mounting piece. In this configuration, the chip and the punch body are fixed.

According to the present invention, a punch chip and a punch body can be assembled with high precision and firmly, and a press machine and a press punch having improved press working accuracy can be provided.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS According to the first aspect of the present invention, a mounting piece having a notch in an axial direction at a tip thereof is protruded, and a first notch is formed on one side surface of the mounting piece. A punch body provided with a second notch having a shorter dimension than the first notch on the other side surface of the mounting piece; and a punch body mounted in a notch provided on the mounting piece of the punch body. A punch chip provided with a processing portion for performing a predetermined processing, a first holding plate attached to a first notch portion of the punch body with a first fixing bolt, and a second notch portion of the punch body And a second fixing bolt inserted through the mounting plate of the punch body and a second fixing bolt inserted through the second pressing plate. The second fixing bolt is screwed to the first pressing plate. The punch chip was mounted in the cut portion of the mounting piece by The first in state, which has a pressing punch which is configured so as to sandwich the second pressing plates, has the effect of positioning and fixation of the punch chip and the punch body can be reliably.

According to a second aspect of the present invention, there is provided the punch for press working according to the first aspect, wherein a backing plate is provided between the other end of the punch chip and the bottom of the cut portion. In addition to the effects described in Item 1, the present invention has an effect of dispersing a load at the time of press working and absorbing shock.

According to a third aspect of the present invention, a mounting piece is protruded from the tip, a notch is provided on one side surface of the mounting piece, and an axial mounting is provided on a side surface of the mounting piece which is in contact with the notch. A punch body provided with a groove, a punch chip loaded in a mounting groove provided in a mounting piece of the punch body and provided with a processing portion for performing predetermined processing at a tip, and mounted in a notch of the punch body. And a fixing bolt inserted into the mounting piece of the punch body and a fixing bolt inserted through the pressing plate are screwed to the bottom of the mounting groove of the mounting piece to mount the punch chip. This is a punch for press working configured to be sandwiched between the piece and the holding plate, and has an effect of reducing the holding plate and the fixing bolt.

According to a fourth aspect of the present invention, there is provided a punch body having a mounting piece having a notch in an axial direction at a front end thereof, and first and second notches provided on both side surfaces of the mounting piece. A punch which is mounted in a notch provided on a mounting piece of the punch body, has a notch for retaining at a position protruding from the mounting piece, and has a processing portion for performing a predetermined processing at a tip thereof. A presser block having a tip and a notch portion fitted into the mounting piece of the punch body, and a pressing block engaged with a notch for retaining a punch tip loaded on the mounting piece of the punch body; A punch for press working configured to fix the punch chip to the punch body via the holding block by screwing a fixing bolt for inserting the block into the mounting piece from the axial direction of the punch body. Also , And the has an effect of fixing points can be reduced, and, fixed direction coincides with the direction of movement of the pressing.

According to a fifth aspect of the present invention, there is provided a press working machine comprising the punch for press working according to any one of the first to fourth aspects and a punch press die including a die opposed thereto. This has the effect that the adjustment of the punch position is easy and the press working accuracy is improved.

Embodiment 1 Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is an assembled perspective view of a main part of a punch for press working according to Embodiment 1 of the present invention.

In FIG. 1, reference numeral 1 denotes a punch chip,
A processing part 3 made of a super-steel material, a ceramic material or a diamond-coated steel material, for performing a predetermined processing at a tip, and an elliptical hole 4 through which a second fixing bolt 9 is inserted in a central square body. Provided.

Reference numeral 13 denotes a second holding plate made of a plate-like steel material. A holding hole 14 formed by combining concentric holes having different diameters into which the second fixing bolts 9 are inserted is provided at the center thereof. ing. Reference numeral 10 denotes a first holding plate made of a plate-like steel material or the like. The first holding plate 10 has a screw hole 11 into which a screw portion of the second fixing bolt 9 is screwed at one end, and a first fixing bolt 8 at the other end. A hole 12 is provided.

Reference numeral 2 denotes a punch body made of a round or square bar-shaped steel material. A mounting piece 16 having an axial cutout 7 into which the main body of the punch chip 1 is inserted is provided at the tip of the punch body. A first notch 6 is provided on one side surface of the mounting piece 16, and a second notch portion 5 having a dimension shorter than the notch portion 6 is provided on the other side surface.

The height of the notch 7 is substantially the same as the height of the main body of the punch chip 1, and the width thereof is also the same.
And the thickness of the main body is substantially the same. The first notch 6 is provided with a screw hole (not shown) into which the screw of the first fixing bolt 8 is screwed.

The punch for press working to be mounted on the press working machine is such that the rear part of the main body of the punch chip 1 is inserted into the notch 7 to the rear end thereof, and the second pressing plate 13 is inserted into the second cutout 5 and the first notch 5 is inserted. Is placed in the first cutout 6. And
Insert the first fixing bolt 8 into the insertion hole 1 of the first holding plate 10.
2, and the second fixing bolt 9 is inserted into the holding hole 14 of the second holding plate 13 and the elliptical hole 4 of the punch chip 1, respectively, and screwed into the screw portion provided in the cutout 6 and the screw hole 11. Thus, the punch chip 1 is completed by being clamped between the first holding plate 10 and the second holding plate 13 with a predetermined torque.

FIG. 2 shows a configuration using a backing plate. A backing plate 15 made of, for example, a plate-like super-steel material or a steel material is disposed at the bottom of the cut portion 7 and the punch chip 1 is inserted. It is completed by assembling as described above. By arranging the backing plate 15 in this manner, the load applied to the punch at the time of press working can be dispersed, and the punch body can be protected.

(Embodiment 2) FIG. 3 is an assembled perspective view of a main part of a punch for press working in Embodiment 2 of the present invention. In FIG. 3, 26 is a fixing bolt, 24 is a punch tip, which is made of a super-steel material, a ceramic material, a steel material coated with diamond, or the like. Is provided with an oval hole 28 through which the fixing bolt 26 is inserted.

Reference numeral 25 denotes a holding plate made of a plate-like steel material. A holding hole 27 formed by combining concentric holes having different diameters into which fixing bolts 26 are inserted is provided at the center.

Reference numeral 30 denotes a punch body made of a round or square bar-shaped steel material. The punch body 30 has a mounting piece 21 protrudingly provided at a tip end thereof.
A mounting groove 23 into which the main body of the punch chip 24 is inserted is provided in a side surface in contact with the notch 22 in the axial direction of the punch body 30. Reference numeral 15 denotes the backing plate described above, and a screw hole 29 for screwing the fixing bolt 26 is provided at the bottom of the side surface of the mounting groove 23.

The punch for press working to be mounted on the press working machine includes the backing plate 15 with the mounting groove 23 and the notch 2.
Then, the main body of the punch chip 24 is inserted to the bottom of the side surface of the mounting groove 23 and the rear end of the notch 22, and the holding plate 25 is placed on the notch 22. Then, the punch chip 24 is inserted between the holding plate 25 and the mounting piece 21 by inserting the fixing bolt 26 into the holding hole 27 of the holding plate 25 and screwing it into a screw hole 29 provided at the bottom of the side surface of the mounting groove 23. It is completed by tightening and clamping with torque.

(Embodiment 3) FIG. 4 is an assembly perspective view of a main part of a press working punch according to Embodiment 3 of the present invention. In FIG. 4, reference numeral 38 denotes a fixing bolt, 43 denotes a punch body made of round or square bar-shaped steel material, and is provided with a mounting piece 33 having a notch 31 in the axial direction at a tip end thereof. A first notch 39 and a second notch 40 are provided on both side surfaces of the piece 33.

Reference numeral 41 denotes a punch tip, which is made of a super-steel material, a ceramic material, a diamond-coated steel material in the form of a square bar, etc., and has a processing part 3 for performing a predetermined processing at the tip, and one surface of a square-rod-shaped main body. The mounting piece 33
A notch 42 for retaining is provided at a more protruding position.

The notch 31 has substantially the same height as one side of the rectangular bar-shaped main body of the punch tip 41 and the same width as the other side of the punch tip 41. A screw hole 32 into which a fixing bolt 38 is screwed is provided in one of the side surfaces of the tip.

Numeral 34 denotes a holding block made of a steel material, and a notch portion 36 fitted into the mounting piece 33 of the punch body 43.
Is provided on one side, and a holding hole 35 through which a fixing bolt 38 is inserted is provided in an upper bottom portion of the cut portion 36, and a notch portion 42 for retaining a punch tip 41 is engaged below the upper bottom portion. The notch 37 is provided so as to be orthogonal to the notch 36 as described above.

In the press working punch to be mounted on the press machine, the main body of the punch tip 41 is inserted into the notch 37 of the holding block 34, and a part of the holding block 34 is fitted into the notch 42 of the punch tip 41. After the punching, the main body of the punch chip 41 is inserted until it comes into contact with the bottom of the notch 31, and the mounting piece 33 is inserted into the notch 36 of the holding block 34. Then, the fixing bolt 38 is inserted into the holding hole 35 of the holding block 34, and is screwed into the screw hole 32 provided on the tip side surface of the mounting piece 33, so that the punch chip 41 is inserted into the punch body 43 via the holding block 34. It is completed by fixing with a predetermined torque.

As described above, a punch press die having a pair of the press working punch described above and a die facing the punch is described as follows.
It is mounted on a predetermined press machine to press various materials.

[0029]

As described above, the press machine and the press punch according to the present invention can position and fix the punch chip and the punch body in all directions, and can easily adjust the punch position and improve the press working accuracy. Has an effect.

[Brief description of the drawings]

FIG. 1 is an assembled perspective view of a main part of a press punch according to a first embodiment of the present invention.

FIG. 2 is an assembled perspective view of a main part of a press working punch to which the backing plate is mounted.

FIG. 3 is an assembled perspective view of a main part of a punch for press working according to a second embodiment of the present invention.

FIG. 4 is an assembled perspective view of a main part of a punch for press working in Embodiment 3 of the present invention.

[Explanation of symbols]

 1,24,41 Punch tip 2,30,43 Punch body 3 Processing part 4,28 Oval hole 5,40 Second notch 6,39 First notch 7,31,36,42 Notch 8 1 fixing bolt 9 second fixing bolt 10 first holding plate 11, 29, 32 screw hole 12 insertion hole 13 second holding plate 14, 27, 35 holding hole 15 backing plate 16, 21, 33 attachment piece 22 , 37 Notch 23 Mounting groove 25 Holding plate 26, 38 Fixing bolt 34 Holding block

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Haruhiko Kameyama 1006 Kazuma Kadoma, Kadoma-shi, Osaka Matsushita Electric Industrial Co., Ltd. F-term (reference) 4E048 LA06 LA07

Claims (5)

[Claims] 1. A mounting piece having a notch in an axial direction at a tip thereof is protruded, a first cutout is provided on one side of the mounting piece, and the first notch is provided on the other side of the mounting piece. A punch body provided with a second notch having a dimension shorter than the notch, and a punch chip mounted in a notch provided in a mounting piece of the punch body and provided with a processing portion for performing predetermined processing at a tip thereof A first holding plate attached to a first notch of the punch body with a first fixing bolt, and a second holding plate attached to a second notch of the punch body. A punch chip mounted on a mounting piece of the punch body and a second fixing bolt for inserting the second pressing plate are screwed to the first pressing plate, whereby the punch chip is inserted into a cut portion of the mounting piece. Hold it between the first and second holding plates in the mounted state Punch for press working configured as described above. 2. The punch according to claim 1, wherein a backing plate is provided between the other end of the punch chip and the bottom of the cut portion. 3. A punch body having a mounting piece protruding at a tip thereof, a notch provided on one side surface of the mounting piece, and an axial mounting groove provided on a side surface of the mounting piece contacting the notch. The punch body is provided in a mounting groove provided in a mounting piece of the punch body, and has a punch tip provided with a processing portion for performing a predetermined processing at a tip thereof, and a pressing plate mounted in a cutout portion of the punch body. Then, the punch chip loaded between the mounting piece of the punch body and the holding plate is screwed to the bottom of the mounting groove of the mounting piece by screwing a fixing bolt through the mounting chip, so that the punch chip is located between the mounting piece and the holding plate. A punch for press working configured to be clamped. 4. A punch body provided with a mounting piece having a notch in the axial direction at a tip thereof, and first and second cutouts provided on both side surfaces of the mounting piece, and a mounting piece of the punch body. A punch chip provided with a notched portion for retaining at a position protruding from the mounting piece and provided with a processing portion for performing a predetermined processing at a tip thereof; A holding block having a cut-off portion fitted into the mounting piece and being engaged with a notch for retaining a punch chip loaded in the mounting piece of the punch body, and a fixing bolt inserted through the holding block. A punch for press working, wherein the punch chip is fixed to the punch body via the holding block by being screwed to the mounting piece from the axial direction of the punch body. 5. A press machine comprising the punch for press working according to claim 1 and a punch press die including a die opposed thereto.