CN218984513U - Electrode holder for EDM (electronic data processing) quick clamping cylindrical electrode - Google Patents

Abstract

The utility model discloses an electrode holder for EDM quick clamping cylindrical electrode, comprising: the electrode holder comprises an electrode holder body and a clamping piece vertically arranged on the electrode holder body and used for clamping an electrode, wherein a connecting piece is vertically arranged on one side, away from the clamping piece, of the electrode holder body; the clamping piece comprises a connecting column vertically arranged on the electrode holder body, a clamping part arranged on the connecting column and a locking piece, wherein one end of the electrode is inserted into the clamping part and is connected with the connecting column through the locking piece to lock the clamping part. The clamping component provided by the utility model realizes the rapid clamping of the cylindrical electrode, effectively ensures the perpendicularity of the electrode, and improves the clamping precision of the cylindrical electrode, thereby improving the precision of electric discharge machining.

Description

Electrode holder for EDM (electronic data processing) quick clamping cylindrical electrode

Technical Field

The utility model relates to the technical field of electrode machining, in particular to an electrode holder for an EDM (electronic direct memory access) rapid clamping cylindrical electrode.

Background

This description of the background art pertains to the relevant art in connection with this application, which is provided solely for the purposes of illustration and to facilitate the understanding of the inventive concepts of this application, and is not to be construed as an admission that the applicant is explicitly aware or presumes that the applicant is prior art in the filing date of this application as the first time it has been filed.

In the production of injection mold parts, electrodes used in electric spark machining are various, and the machining modes of the electrodes mainly comprise CNC machining centers, linear cutting and cylindrical electrodes machined by a grinding machine. For cylindrical electrodes, the most important difficulty in EDM machining is the mounting of the electrodes. The grinding machine only processes the copper material part when processing the electrode, the electrode is required to be installed on the electrode seat before electric discharge machining, the verticality of the installation of the electrode is required to be ensured, and otherwise, the shape of the processed part is deviated.

However, in the existing cylindrical electrode processing process, firstly, an electrode blank needs to be clamped on a processing center table surface, and meanwhile, the electrode needs to be ensured to be kept in a vertical state. Although a plurality of tool clamps for clamping the cylindrical electrode exist at present, the tool clamps are very inconvenient to use, are complex in operation and poor in clamping effect when the electrode is assembled, and are not beneficial to improving the machining efficiency of the electrode.

Disclosure of Invention

The utility model aims to provide an electrode holder for rapidly clamping a cylindrical electrode by EDM (electronic data processing) so as to solve the problems that the clamping of the conventional cylindrical electrode is inconvenient and the perpendicularity of the cylindrical electrode cannot be ensured.

The technical scheme for solving the technical problems is as follows:

an electrode holder for an EDM quick clamping cylindrical electrode, comprising: the electrode holder comprises an electrode holder body and a clamping piece vertically arranged on the electrode holder body and used for clamping an electrode, wherein a connecting piece is vertically arranged on one side, away from the clamping piece, of the electrode holder body;

the clamping piece comprises a connecting column vertically arranged on the electrode holder body, a clamping part arranged on the connecting column and a locking piece, wherein one end of the electrode is inserted into the clamping part and is connected with the connecting column through the locking piece to lock the clamping part.

The beneficial effects of adopting above-mentioned technical scheme are: through arranging the clamping component, the electrode is inserted into the clamping component, then the locking piece penetrates through the electrode and locks the clamping component and the connecting column, stable clamping of the electrode is realized, rapid clamping of the electrode is realized, and therefore the electrode and the electrode seat body are kept coaxial; the electrode holder body is connected with the main shaft of the machine tool through the connecting piece, and the connecting piece, the electrode holder body and the electrode are perpendicular to the table top of the machine tool, so that the perpendicularity of the electrode is ensured, and the machining efficiency is improved.

Further, the connecting column comprises a threaded section and a connecting section which are sequentially connected, the connecting section is connected with the electrode holder body, through holes for installing the clamping parts are formed in the threaded section and the connecting section, and the clamping parts are clamped with the threaded section.

Further, an annular clamping groove for clamping with the clamping component is formed in the inner wall of the end portion, far away from the connecting section, of the threaded section.

Further, the locking piece adopts the locking cap, the shaft hole corresponding to the through hole is formed in the locking piece, the aperture of the shaft hole is larger than the diameter of the electrode, and the aperture of the shaft hole gradually decreases along the direction that the locking piece is far away from the thread section.

The beneficial effects of adopting above-mentioned technical scheme are: the electrode is inserted into the clamping component, then the locking cap is connected with the threaded section, and the clamping component is locked, so that the electrode is clamped.

Further, a balancing piece is arranged on one side, close to the connecting piece, of the electrode seat body, and the connecting piece penetrates through the balancing piece to be connected with the electrode seat body.

Further, the balancing piece comprises a first balancing gasket, a second balancing gasket and a balancing locking screw which are placed in an overlapping mode, wherein the balancing locking screw is used for locking the first balancing gasket and the second balancing gasket on the electrode holder body.

The beneficial effects of adopting above-mentioned technical scheme are: when the electrode holder body is placed on the machine tool table top, the balance locking screw and the flat gasket ensure the stability of the electrode holder body, and the electrode holder body is vertical to the machine tool table top, so that the perpendicularity of the electrode is ensured.

Further, the connecting piece is a blind rivet and is in threaded connection with the electrode holder body.

The beneficial effects of adopting above-mentioned technical scheme are: the connecting piece is convenient for stably connecting with the main shaft of the machine tool.

Compared with the prior art, the utility model has the following beneficial effects:

1. the clamping part of the utility model keeps coaxial with the electrode seat body and is vertical to the table top, and the locking part simultaneously generates inward clamping force, so that the clamping of the electrode is more firm and the verticality is better; therefore, the electrode clamping precision is higher, and the electric discharge machining effect is better.

2. The electrode holder provided by the utility model realizes rapid clamping of the cylindrical electrode, effectively ensures the perpendicularity of the electrode, and improves the clamping precision of the cylindrical electrode, thereby improving the precision of electric discharge machining.

Drawings

FIG. 1 is a schematic view of the overall structure of an electrode holder for an EDM quick clamping cylindrical electrode;

FIG. 2 is a schematic cross-sectional view of the electrode holder body with the electrode and the clamping member;

FIG. 3 is a schematic cross-sectional view of the holder and electrode holder body;

FIG. 4 is a schematic view of an exploded structure of the electrode holder body with the connector and the balance member;

fig. 5 is an exploded view of the electrode holder body and the electrode and holder.

In the figure: the electrode holder comprises a 1-electrode holder body, a 2-electrode, a 3-clamping piece, a 31-connecting column, a 311-threaded section, a 312-connecting section, a 313-through hole, a 314-annular clamping groove, a 32-clamping part, a 33-locking piece, a 331-shaft hole, a 4-connecting piece, a 5-balancing piece, a 51-first balancing gasket, a 52-second balancing gasket and a 53-balancing locking screw.

Detailed Description

The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

As shown in fig. 1 to 5, an electrode holder for an EDM rapid clamping cylindrical electrode, comprising: the electrode holder comprises an electrode holder body 1 and a clamping piece 3 vertically arranged on the electrode holder body 1 and used for clamping an electrode 2, wherein a connecting piece 4 is vertically arranged on one side, away from the clamping piece 3, of the electrode holder body 1; the connecting piece 4 adopts the existing blind rivet and is used for being connected with the spindle of the EDM machine tool, so that the electrode seat body 1 is vertical to the table top of the machine tool, and the electrode 2 is vertical to the table top of the machine tool. The electrode 2 is a cylindrical electrode.

The holder 3 includes a connection post 31 vertically provided on the electrode holder body 1, a holder member 32 provided on the connection post 31, and a locking member 33, and one end of the electrode 2 is inserted into the holder member 32, and is connected to the connection post 31 by the locking member 33 and locks the holder member 32. The clamping member 32 is a collet chuck for clamping the electrode 2. The connecting column 31 comprises a threaded section 311 and a connecting section 312 which are sequentially connected, the connecting section 312 is connected with the electrode holder body 1 into an integrated structure, the threaded section 311 and the connecting section 312 are provided with through holes 313 for installing the clamping parts 32, and the clamping parts 32 are clamped with the threaded section 311; specifically, an inner wall of the end portion of the threaded section 311 remote from the connecting section 312 is provided with an annular clamping groove 314 for clamping with the clamping member 32. The clamping member 32 has certain elasticity, and one end of the clamping member 32 is inserted into the through holes 313 of the threaded section 311 and the connecting section 312, and the collet chuck is clamped with the annular clamping groove 314, so that the collet chuck is fixed; and the collet chuck has an opening corresponding to the through hole 313 for inserting the electrode 2.

The retaining member 33 adopts the locking cap, the shaft hole 331 corresponding to the through hole 313 is formed in the retaining member 33, the aperture of the shaft hole 331 is larger than the diameter of the electrode 2, so that the electrode 2 can be conveniently penetrated, the clamping part 32 and the electrode 2 can be locked on the threaded section 311, the aperture of the shaft hole 331 is gradually reduced along the direction that the retaining member 33 is far away from the threaded section 311, the size of the shaft hole 331 is matched with the shape of the clamping part 32 far away from the threaded section 311, and the locking cap can cover the collet chuck and is connected with the threaded section 311, so that the collet chuck can be locked. The outer wall of the thread section 311 is provided with an external thread, and the inner wall of the locking cap is provided with an internal thread matching the external thread of the outer wall of the thread section 311. When the electrode 2 is inserted into the collet chuck, and the locking piece 33 is adopted to penetrate through the electrode 2 and be connected with the threaded section 311, the locking piece 33 is rotated to enable the electrode 2 to be locked with the threaded section 311 in a threaded mode, so that the effect of locking the electrode 2 positioned in the clamping part 32 can be achieved, the connection stability and the perpendicularity of the electrode 2 are guaranteed, the rapid clamping and the clamping stability of the electrode 2 are achieved, and the connection stability and the perpendicularity of the electrode 2 are guaranteed.

As shown in fig. 4, a balance piece 5 is disposed on one side of the electrode holder body 1 near the connection piece 4, and the connection piece 4 passes through the balance piece 5 to be connected with the electrode holder body 1. The balance member 5 includes a first balance washer 51, a second balance washer 52, and a balance locking screw 53, which are placed in an overlapping manner, and the balance locking screw 53 is used to lock the first balance washer 51 and the second balance washer 52 to the electrode holder body 1. The first balance gasket 51 is located near one side of the electrode holder body 1, threaded holes corresponding to the balance locking screws 53 are formed in the electrode holder body 1, the balance locking screws 53 penetrate through the first balance gasket 51 and the second balance gasket 52 to be connected with the threaded holes in the electrode holder body 1, when the electrode holder body 1 is placed on a machine tool table surface, the balance locking screws 53 are enabled to be in stable contact with the machine tool table surface, stability of the electrode holder body 1 is guaranteed, a plurality of balance locking screws 53 are arranged, 4 balance locking screws are arranged in the embodiment, the balance locking screws are distributed at four corners of the electrode holder body 1, 6 balance locking screws, 8 balance locking screws and the like can be arranged in other embodiments of the utility model, and the balance locking screws are evenly distributed on the electrode holder body 1.

The connecting piece 4 is a blind rivet, and the connecting piece 4 is in threaded connection with the electrode holder body 1. Be equipped with the screw hole of being connected with the threaded rod in the blind rivet on the electrode holder body 1, the one end setting of blind rivet is on the EDM lathe main shaft, and the other end is connected with electrode holder body 1 for electrode holder body 1 is connected with the lathe main shaft, and has guaranteed the straightness that hangs down of electrode holder body 1 and electrode 2.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (7)

1. An electrode holder for an EDM quick clamping cylindrical electrode, comprising: the electrode holder comprises an electrode holder body (1) and a clamping piece (3) vertically arranged on the electrode holder body (1) and used for clamping an electrode (2), wherein a connecting piece (4) is vertically arranged on one side, away from the clamping piece (3), of the electrode holder body (1);

the clamping piece (3) comprises a connecting column (31) vertically arranged on the electrode holder body (1), a clamping part (32) arranged on the connecting column (31) and a locking piece (33), wherein one end of the electrode (2) is inserted into the clamping part (32), and is connected with the connecting column (31) through the locking piece (33) and locks the clamping part (32).

2. Electrode holder for an EDM rapid clamping cylindrical electrode according to claim 1, characterized in that the connection column (31) comprises a threaded section (311) and a connection section (312) which are connected in sequence, the connection section (312) is connected with the electrode holder body (1), the threaded section (311) and the connection section (312) are both provided with a through hole (313) for mounting the clamping part (32), and the clamping part (32) is clamped with the threaded section (311).

3. Electrode holder for an EDM rapid clamping cylindrical electrode according to claim 2, characterized in that the inner wall of the end of the threaded section (311) remote from the connecting section (312) is provided with an annular clamping groove (314) for clamping with the clamping member (32).

4. The electrode holder for an EDM rapid clamping cylindrical electrode according to claim 2, wherein the locking member (33) is a locking cap, a shaft hole (331) corresponding to the through hole (313) is formed in the locking member (33), the hole diameter of the shaft hole (331) is larger than the diameter of the electrode (2), and the hole diameter of the shaft hole (331) is gradually reduced along the direction of the locking member (33) away from the threaded section (311).

5. Electrode holder for an EDM rapid clamping cylindrical electrode according to claim 1, characterized in that the side of the electrode holder body (1) close to the connecting piece (4) is provided with a balancing piece (5), the connecting piece (4) being connected with the electrode holder body (1) through the balancing piece (5).

6. Electrode holder for an EDM rapid clamping cylindrical electrode according to claim 5, characterized in that the balancing piece (5) comprises a first balancing shim (51), a second balancing shim (52) and a balancing locking screw (53) placed one above the other, the balancing locking screw (53) being used for locking the first balancing shim (51) and the second balancing shim (52) on the electrode holder body (1).

7. Electrode holder for an EDM quick clamping cylindrical electrode according to any of the claims 1 to 6, characterized in that the connecting piece (4) is a blind rivet and the connecting piece (4) is screwed with the electrode holder body (1) being protected.

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