TWI496642B - Electrode fixture panel structure - Google Patents

Description

Electrode fixture plate group structure

The invention relates to an electrode fixture plate group structure, in particular to a quick fixable electrode fixture plate group structure, which has the advantages and effects of reducing wear, improving positioning effect and reducing maintenance cost.

Today's electrode fixture technology is more and more widely used in various fixture products. In the mold manufacturers using electrode clamps, the delivery period is getting shorter and shorter, and the upstream manufacturers are increasingly demanding processing quality. In the case of the industry, the industry can only improve the competitiveness, improve the automation of machining, and simultaneously reduce the process anomalies, so that the upper and lower processes (CAM → NC → EDM) work more smoothly, so the industry is actively improving the application technology of electrode clamps. .

For example, the electric discharge machining fixture of the Republic of China Patent No. I331549, as shown in the fifth figure, comprises an electrode fixture plate 910 and a plurality of electrode holders 920 disposed on the electrode fixture plate 910; A matching groove 912 having a grooved shape is formed on the surface of the electrode fixture plate 910. The inside of the coordination groove 912 forms a tapered guide surface 912A, and the electrode holder 920 faces the electrode fixture plate 910. The surface extends four pairs of positioning legs 921 which are distributed in a cross shape. Each pair of positioning legs 921 is composed of two protrusions 922. The inclined surface 922A outside the two protrusions 922 is used to contact the guiding surface 912A to determine that the electrode holder is to be connected to the processing head. The processing origin position is finally locked to the electrode fixture plate 910 by a bolt 950.

However, when the guiding surface 922A is in contact with the inclined curved surface 912A, sliding is likely to occur, which affects the accuracy of positioning the electrode holder 920 on the electrode fixture plate 910.

In addition, as shown in FIG. 6 , when the electrode fixture board 910 is disposed on the holder 70 of an electrode processing machine, a positioning piece 915 is first installed to achieve the positioning function; however, the positioning piece 915 is a consumable. In use, the accuracy is affected by wear and it needs to be replaced periodically, which has the disadvantage of cost.

Therefore, it is necessary to develop new products to solve the above shortcomings and problems.

The object of the present invention is to provide an electrode fixture plate assembly structure, which has the advantages and functions of reducing wear, improving positioning effect, and reducing maintenance cost, and is used to solve the problem that the prior art is easy to affect the accuracy.

The technical means for solving the above problems provides an electrode fixture plate assembly structure, comprising: a fixture plate body having a first surface, a second surface, a plurality of side edges, a plurality of positioning holes, and a plurality of positioning a convex rail, a plurality of abutting portions, a plurality of clamping grooves and a plurality of supporting screws; the plurality of positioning holes are equidistantly distributed on the fixture body and penetrate the first surface and the second surface; the plurality of positioning convex rail systems Arranging on the first surface by a cross; a plurality of abutting portions are disposed on the first surface and distributed between the positioning convex rails; the fastening groove is disposed on the second surface; and the plurality of supporting screws are fixed on the first surface The fixture plate body extends outwardly from the second surface; and the fastening groove and the support screw are used for mounting the fixture plate body on a holder of an electrode processing machine; The clamping device of the electrode processing machine has a plurality of clamping protrusions and a plurality of matching concave holes, wherein the fastening protrusions are used for embedding the fastening grooves, and the matching concave holes are configured to fit with the supporting screws; a tie rod for attaching the fixture body to The clip mount electrodes binding processing machine fixed.

The above objects and advantages of the present invention will be readily understood from the following detailed description of the preferred embodiments illustrated herein.

The invention will be described in detail in the following examples in conjunction with the drawings:

As shown in the first and second figures, an electrode fixture plate assembly structure includes: a jig plate body 10 and a pull rod 40.

The fixture body 10 has a first surface 101, a second surface 102, a plurality of side edges 103, a plurality of positioning holes 11, a plurality of positioning rails 12, a plurality of abutting portions 13, and a plurality of clamping grooves. 14 and a plurality of support screws 15; a plurality of positioning holes 11 are equidistantly distributed on the fixture body 10 and penetrate the first surface 101 and the second surface 102; the plurality of positioning rails 12 are arranged in a cross by the first a plurality of abutting portions 13 are disposed on the first surface 101 and distributed between the positioning protrusions 12; the clamping groove 14 is disposed on the second surface 102; and the plurality of supporting screws 15 are The fixture body 10 is fixed to the fixture body 10 and extends outwardly from the second surface 102. The fastening groove 14 and the support screw 15 are used to mount the fixture body 10 to an electrode processing machine. The holder 70 of the electrode processing machine has a plurality of clamping protrusions 71 for inserting the clamping groove 14 and the supporting screw 15 after being embedded. Hold the holder 70.

The tie rod 40 is used to fix and fix the jig plate body 10 to the holder 70 of the electrode processing machine.

As shown in the third, third, and fourth figures, the present invention is for fixing an electrode portion 20; the electrode portion 20 has a bottom surface 21, a screw hole 22, and a plurality of positioning grooves 23; The positioning groove 23 is disposed on the bottom surface 21; the plurality of positioning grooves 23 are configured to be coupled with the positioning protrusion 12; thereby, a locking member 30 is screwed to the positioning hole 11 and the electrode portion. The screw hole 22 of 20 can fix the electrode portion 20 to the jig plate body 10.

The pull rod 40 has a threaded portion 41 (please refer to the first figure), and is screwed into the positioning hole 11 in the center of the jig plate body 10 and the screw hole 22 of the electrode portion 20 for the electrode portion 20 is fixed to the fixture body 10.

In more detail, the electrode portion 20 is fixed, and only needs to be corresponding to the positioning hole 11 of the desired position, and the positioning groove 23 and the positioning convex rail 12 are first used for positioning, and finally the screw is locked. The member 30 or the threaded portion 41 of the tie rod 40 is locked so that the bottom surface 21 of the electrode portion 20 abuts against the abutting portion 13, and the electrode portion 20 is attached to the jig plate body 10.

As shown in the first figure, the inner wall surfaces of the two sides of the fastening groove 14 are outwardly expanded, thereby effectively reducing the wear of the fastening protrusion 71 when being embedded in the fastening groove 14, thereby extending the wear. The service life of the jig plate body 10 and the jig 70 of the electrode processing machine and the positioning accuracy between the two are maintained.

It can be seen that the installation of the invention does not require the installation of the positioning piece device, and only needs regular maintenance to maintain the positioning accuracy of the fixture body 10, and It is simple and convenient to replace the electrode portion 20, and the processing efficiency can be improved at the same time, thereby saving the maintenance cost of the lossy positioning piece.

In addition, in the design, since the tie rod 40 is fixed and fixed by the center of the jig plate body 10 and the holder 70 of the electrode processing machine, when the electrode portion 20 needs to be fixed to the positioning hole 11 at the center position, By means of the threaded section 41 of the tie rod 40, the screw lock is achieved instead of using the screw lock 30; that is to say, regardless of whether the electrode portion 20 corresponds to any one of the positioning holes 11, the screw lock can be used. The piece 30 or the threaded section 41 is fixed.

In summary, the advantages and effects of the present invention can be summarized as follows:

[1] Reduce wear. The inner wall surface of the two sides of the clamping groove 14 of the present invention is expanded outwardly, thereby effectively reducing the wear of the fastening protrusion 71 when being embedded in the fastening groove 14, thereby extending the body of the fixture plate 10 and the life of the fixture 70 of the electrode processing machine and the positioning accuracy between the two.

[2] Improve positioning. The conventional electric discharge machining fixture uses the guide surface 922A of the electrode holder 920 to contact with the inclined arc surface 912A of the electrode fixture plate 910 for positioning, which is easy to cause sliding, which affects the accuracy of the positioning of the electrode holder 920. The plurality of positioning grooves 23 on the electrode holder 20 cooperate with the concave and convex portions of the positioning convex rails 12 on the jig plate body 10 to increase the stability of positioning, and the positioning convex rails 12 arranged in a cross limit the plane of the electrode holders 20 Move in the direction to improve its positioning.

[3] Reduce maintenance costs. The invention does not need to install the loss positioning piece device, only needs regular maintenance, and does not need to use the regularly updated positioning piece consumable material, so as to maintain the positioning precision of the jig plate body 10, and can be improved by easily replacing the electrode part 20. The purpose of processing efficiency, while saving the maintenance cost of the lossy positioning piece.

The present invention has been described in detail with reference to the preferred embodiments of the present invention, without departing from the spirit and scope of the invention.

From the above detailed description, it will be apparent to those skilled in the art that the present invention can achieve the foregoing objects, and the invention has been in accordance with the provisions of the patent law.

10‧‧ ‧ fixture body

101‧‧‧ first surface

102‧‧‧ second surface

103‧‧‧ side

11‧‧‧Positioning holes

12‧‧‧ Positioning convex rail

13‧‧‧Abutment

14‧‧‧Clock groove

15‧‧‧Support screws

20‧‧‧Electrode

21‧‧‧ bottom

22‧‧‧ screw holes

23‧‧‧ Positioning groove

30‧‧‧ Screw locks

40‧‧‧ lever

41‧‧‧Threaded section

70‧‧‧Clip seat

71‧‧‧Clamping bumps

72‧‧‧With recessed holes

910‧‧‧Electrical fixture board

912‧‧‧Location slot

912A‧‧‧ oblique curved surface

915‧‧‧ Positioning film

920‧‧‧electrode holder

921‧‧‧ positioning feet

922‧‧ ‧ bulging feet

922A‧‧‧ guiding surface

950‧‧‧ bolt

The first figure is an exploded view of the electrode fixture plate assembly structure of the present invention.

The second figure is a schematic view of the body of the jig of the present invention

The third A diagram is an exploded view of the electrode portion and the fixture plate body of the present invention.

The third B is a schematic diagram of the electrode portion of the present invention bonded to the body of the jig plate

The fourth figure is an enlarged schematic view showing the bonding position between the electrode portion and the fixture plate body of the present invention.

The fifth picture is a schematic diagram of the prior art.

The sixth picture is a schematic diagram of a conventional technology positioning piece

10‧‧ ‧ fixture body

11‧‧‧Positioning holes

12‧‧‧ Positioning convex rail

13‧‧‧Abutment

14‧‧‧Clock groove

15‧‧‧Support screws

30‧‧‧ Screw locks

Claims (4)

An electrode fixture plate assembly structure, comprising: a fixture plate body having a first surface, a second surface, a plurality of side edges, a plurality of positioning holes, a plurality of positioning convex rails, a plurality of abutting portions, and a plurality of cards a plurality of positioning holes are equidistantly distributed on the fixture body and extending through the first surface and the second surface; the plurality of positioning convex rails are arranged on the first surface by a cross; a plurality of abutting portions are disposed on the first surface and distributed between the positioning convex rails; the fastening groove is disposed on the second surface; and the plurality of supporting screws are fixed on the fixture plate body and are The two surfaces are outwardly extended; further, the fixing groove and the supporting screw are used for mounting the jig plate body on the holder of an electrode processing machine; and the clamping device of the electrode processing machine has a plurality of cards a solid bump and a plurality of matching recesses, the fastening bump is configured to be embedded in the fastening groove, and the matching recess is configured to fit with the support screw; and a tie rod is used for the treatment The plate body is fixedly combined with the holder of the electrode processing machine. The electrode fixture plate assembly structure of claim 1 is for fixing an electrode portion; the electrode portion has a bottom surface, a screw hole and a plurality of positioning grooves; the screw hole and the positioning concave portion The groove is disposed on the bottom surface; the plurality of positioning grooves are configured to be coupled with the positioning protrusion; thereby, the electrode portion can be fixed by screwing a screw to the positioning hole and the screw hole of the electrode portion On the body of the fixture board. The electrode fixture plate assembly structure according to claim 2, wherein the tie rod has a threaded portion, and the screw is screwed to the positioning hole in the center of the fixture body and the screw hole of the electrode portion for The electrode portion is fixed to the fixture plate body. The electrode fixture plate assembly structure according to claim 1, wherein the inner wall surfaces on both sides of the fastening groove are expanded.