CN-224209230-U - Conductive device for plane electrolytic grinding fixture

CN224209230UCN 224209230 UCN224209230 UCN 224209230UCN-224209230-U

Abstract

The utility model relates to the technical field of electrolytic grinding, in particular to a conductive device for a plane electrolytic grinding clamp, which comprises a clamp seat, wherein one end of the clamp seat is fixedly provided with a pushing piece, the moving end of the pushing piece and the other end of the clamp seat are respectively fixedly provided with a clamping piece, and telescopic conductive pieces which can be retracted and contained are arranged on the clamping pieces positioned at the end sides of the clamp seat.

Inventors

JIAO FENG
Meng Yaoyu
CUI FUJIE
LI YIHAO
CUI FENG
NIU YING

Assignees

河南理工大学

Dates

Publication Date: 20260508
Application Date: 20250515

Claims (4)

1. The electric conduction device for the plane electrolytic grinding clamp comprises a clamp seat (1) and is characterized in that a pushing piece (2) is fixed at one end of the clamp seat (1), the pushing piece (2) comprises a screw rod (21) which is inserted into the end side of the clamp seat (1) in a threaded manner, a rotary handle (22) is fixed at one end of the screw rod (21), and a sliding seat (23) which is in sliding fit with the clamp seat (1) is connected to one end, far away from the rotary handle (22), of the screw rod (21) in a rotating manner; clamping pieces (3) are fixed on the sliding seat (23) of the pushing piece (2) and the other end of the clamp seat (1), each clamping piece (3) comprises a clamping block (31), a plurality of positioning holes (32) are formed in each clamping block (31), and positioning bolts (33) used for connection are inserted into the corresponding positioning holes (32) in a threaded manner; The telescopic conductive piece (4) which can be retracted and contained is arranged in the clamping block (31) positioned at the end side of the clamp seat (1).
2. The conductive device for the planar electrolytic grinding clamp according to claim 1, wherein a silica gel plug (34) is embedded at the top end of the positioning hole (32).
3. The electric conduction device for the plane electrolytic grinding fixture as set forth in claim 2, wherein the telescopic electric conduction member (4) comprises a stepped hole (41) penetrating through the clamping block (31), a copper rod (42) protruding out of the outer wall of the clamping block (31) is inserted into the stepped hole (41), a convex ring (43) is fixed on the copper rod (42), a spring seat (44) sleeved on the copper rod (42) is connected to one end of the stepped hole (41) in a threaded mode, and a spring (45) sleeved outside the copper rod (42) is arranged between the spring seat (44) and the convex ring (43).
4. A conductive device for a planar electrolytic grinding jig according to claim 3, wherein the copper bar (42) is provided with a guide slot hole in which a directional bolt (5) fixed to the clamp block (31) is inserted.

Description

Conductive device for plane electrolytic grinding fixture Technical Field The utility model relates to the technical field of electrolytic grinding, in particular to a conductive device for a plane electrolytic grinding clamp. Background Electrolytic grinding is taken as a composite machining process, and has excellent machining efficiency due to high material removal rate, high workpiece surface quality and low grinding wheel loss. The process requires that the workpiece is connected with a power anode, the tool is connected with a power cathode, the power anode is generally directly connected with the workpiece in the traditional process, the cathode is connected with a conductive grinding wheel through an electric brush, and the electric brush is exposed and leaked outside in the mode, so that the potential safety problem exists. Disclosure of utility model The utility model aims to provide a conductive device for a plane electrolytic grinding fixture, which solves the problems in the background art. The technical scheme is that the conductive device for the plane electrolytic grinding clamp comprises a clamp seat, wherein one end of the clamp seat is fixedly provided with a pushing piece, the pushing piece comprises a screw rod which is in threaded connection with the end side of the clamp seat, one end of the screw rod is fixedly provided with a rotary handle, one end of the screw rod, which is far away from the rotary handle, is rotationally connected with a sliding seat which is in sliding fit with the clamp seat, clamping pieces are fixedly arranged on the sliding seat of the pushing piece and the other end of the clamp seat, each clamping piece comprises a clamping block, a plurality of positioning holes are formed in the clamping block, positioning bolts for connection are in threaded connection in the positioning holes, and telescopic conductive pieces which can be retracted and accommodated are arranged in the clamping blocks at the end side of the clamp seat. The clamping device has the advantages that the clamping device can be driven to move towards the clamping device on the clamp seat by the pushing device, so that the purpose of clamping and positioning the workpiece is achieved, the workpiece pushes the telescopic conductive device and enables the telescopic conductive device to be contracted into the clamping device under pressure in the clamping process, when the workpiece is clamped or released, the telescopic conductive device and the workpiece are always in close contact to play a conductive role, a power supply mode of a traditional electric brush is replaced, the conductive stability is guaranteed, and the problem that the naked leakage of the traditional electric brush has potential risks outside is solved. Preferably, the top end of the positioning hole is embedded with a silica gel plug. The component has the advantages that the positioning holes can be sealed through the silica gel plug, and electrolyte is prevented from entering the positioning holes to corrode internal components. Preferably, the telescopic conductive piece comprises a stepped hole which is formed in the clamping block in a penetrating mode, a copper rod protruding out of the outer wall of the clamping block is inserted into the stepped hole, a convex ring is fixed on the copper rod, one end of the stepped hole is connected with a spring seat in a threaded mode, the spring seat is sleeved on the copper rod, and a spring sleeved outside the copper rod is arranged between the spring seat and the convex ring. The copper bar clamping device has the advantages that sliding insertion installation work of the copper bar can be achieved through the stepped hole, the spring and the spring seat can be sleeved on the wiring end of the copper bar, the copper bar matched convex ring can be subjected to the pre-tightening effect of the spring, the end, which contacts with a workpiece, is in a state of extending out of the outer wall of the clamping block, the spring seat is fixed on the stepped hole through threaded connection, and when the workpiece is clamped, the copper bar is compressed by retracting into the stepped hole under pressure, so that the copper bar and the workpiece are in close contact with each other to achieve a conducting effect. Preferably, a guide slot hole is formed in the copper bar, and a directional bolt fixed on the clamping block is inserted into the guide slot hole. The component has the advantages that the relative rotation of the copper rod can be prevented through the directional bolt, and the contact stability with the workpiece is ensured. The utility model provides a conductive device for a plane electrolytic grinding fixture through improvement, which has the following improvements and advantages compared with the prior art: The clamping device has the advantages that the pushing piece can drive one clamping piece to move towards the clamping piece on the clamp seat, so that the purpose