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CN-121989131-A - System and equipment for flexibly polishing electrode

CN121989131ACN 121989131 ACN121989131 ACN 121989131ACN-121989131-A

Abstract

The system for flexibly polishing the electrode comprises a connecting mechanism, a polishing mechanism, a rotating mechanism and a dust removing mechanism, wherein the polishing mechanism comprises a rotary joint, a three-jaw chuck and at least two polishing jaws, the polishing jaws are arranged at the bottom of the three-jaw chuck, the rotating mechanism comprises a power unit, a hollow rotary table and a connecting plate, the hollow rotary table is arranged on the connecting mechanism, the driving end of the power unit is connected with the hollow rotary table, the hollow rotary table is connected with the three-jaw chuck through the connecting plate, the power unit drives the hollow rotary table to rotate, and the dust removing mechanism is arranged on the connecting mechanism and is used for removing tiny dust generated in the working process of the polishing jaws. The flexible polishing electrode equipment comprises the flexible polishing electrode system, a mobile robot, a frame, a control cabinet and an electric control cabinet. The system and the equipment for the flexible polishing electrode have the advantages of simple structure, reliable performance and convenient maintenance, and can realize the automatic operation of the flexible polishing electrode and remarkably improve the working efficiency.

Inventors

  • DENG LE
  • YU DINGZHONG
  • HUANG MENGMENG
  • CHENG YANG

Assignees

  • 长沙长泰机器人有限公司

Dates

Publication Date
20260508
Application Date
20241101

Claims (10)

  1. 1. The system for flexibly polishing the electrode is characterized by comprising a connecting mechanism, a polishing mechanism, a rotating mechanism and a dust removing mechanism, wherein the polishing mechanism comprises a rotary joint, a three-jaw chuck and at least two polishing jaws, the polishing jaws are arranged at the bottom of the three-jaw chuck and are used for driving the three-jaw chuck and the polishing jaws to open or tighten, polishing of the surface of the electrode is achieved by the polishing jaws, the rotating mechanism comprises a power unit, a hollow rotating table and a connecting plate, the hollow rotating table is arranged on the connecting mechanism, the driving end of the power unit is connected with the hollow rotating table, the hollow rotating table is connected with the three-jaw chuck through the connecting plate, the power unit drives the hollow rotating table to rotate, so that the three-jaw chuck and the polishing jaws are driven to rotate, and the dust removing mechanism is arranged on the connecting mechanism and used for removing tiny dust generated in the working process of the polishing jaws.
  2. 2. The system of claim 1, wherein the connection mechanism comprises a quick-insertion connection end, a plurality of vertical buffers, a buffer upper plate and a buffer lower plate, two ends of the vertical buffers are respectively connected with the buffer upper plate and the buffer lower plate, the quick-insertion connection end is arranged on one surface, far away from the vertical buffers, of the buffer upper plate, and the hollow rotary table and the rotary joint are both arranged on the buffer lower plate.
  3. 3. The system of flexible polishing electrodes of claim 2, wherein the polishing jaw comprises an L-shaped buffer seat, a plurality of horizontal buffer members, a plurality of horizontal guide blocks, and a polishing member, the L-shaped buffer seat comprises a horizontal end and a vertical end, the horizontal end is connected with the bottom of the three-jaw chuck, one end of the horizontal buffer member is fixed at the vertical end, the other end is connected with a fixed surface of the polishing member, and the polishing surface of the polishing member is matched with the electrode in shape.
  4. 4. A system for flexibly polishing an electrode according to claim 3, wherein the polishing member comprises a first polishing block, a second polishing block and a third polishing block for polishing surfaces of different materials of the electrode, respectively, the polishing surfaces of the first polishing block, the second polishing block and the third polishing block are matched with shapes of a silver-plated conical surface of the electrode, a copper base material and a graphite protective sleeve, respectively, and the three-jaw chuck comprises three jaws, and the bottom of each jaw is connected with the first polishing block, the second polishing block and the third polishing block, respectively.
  5. 5. The system of claim 4, wherein the rotary joint is a multi-inlet multi-outlet pneumatic slip ring rotary joint to supply air to the three-jaw chuck in a bidirectional manner, an air inlet pipe of the rotary joint is connected with the quick-plug connection end, an air outlet pipe of the rotary joint passes through a central hole of the hollow rotary table to be connected with the connecting plate, an air pipe joint and an air passage hole are arranged on the connecting plate, and the air pipe joint on the connecting plate is connected with the three-jaw chuck.
  6. 6. The system of flexible polishing electrodes according to claim 5, wherein the horizontal buffer member is further provided with a horizontal guide post inside, and the fixing surfaces of the first, second and third polishing blocks are each connected with at least 1 horizontal buffer member.
  7. 7. The system of any one of claims 2-6, wherein the dust removal mechanism includes a dust-separating cover, a dust suction pipe and a negative pressure dust removal end, the dust-separating cover is disposed on the bottom surface of the buffering lower plate, a dust suction interface is disposed on the dust-separating cover, the dust suction pipe is disposed on the connecting mechanism, one end of the dust suction pipe is connected with the dust suction interface through a hose, and the negative pressure dust removal end is connected with the other end of the dust suction pipe to suck away fine dust generated during operation of the grinding claw.
  8. 8. The apparatus for flexibly polishing electrodes according to claim 7, wherein the quick connect terminal comprises a flange plate, a quick connect robot side, a quick connect tool side, the quick connect robot side being mounted on the flange plate for quick connection and release of the quick connect tool side, the quick connect tool side being mounted on the bumper upper plate, the swivel being mounted on the bumper lower plate, the quick connect robot side and the quick connect tool side both employing electro-pneumatic quick connect to obtain a power source and a gas source, wherein the power source is supplied to the power unit, the gas source of the quick connect tool side being connected to the gas inlet pipe of the swivel.
  9. 9. The flexible polishing electrode equipment is characterized by comprising the flexible polishing electrode system as claimed in any one of claims 1-8, a mobile robot, a frame, a control cabinet and an electric control cabinet, wherein the mobile robot comprises a mobile arm and a base, one end of the mobile arm is rotatably connected with the base, the other end of the mobile arm is connected with a quick-plug connection end of the connecting mechanism, the mobile robot is movably arranged on the frame, the control cabinet is used for controlling the mobile robot to drive the flexible polishing electrode system to move from one working area to the other working area, the electric control cabinet is used for controlling the working state of the flexible polishing electrode system, a PLC control chip is arranged in the electric control cabinet, and the PLC control chip is integrated with the flexible polishing control system which is used for controlling the polishing time and the polishing speed of the flexible polishing electrode system.
  10. 10. The apparatus for flexibly polishing an electrode according to claim 9, wherein a pin positioning device is provided on the frame, and the pin positioning device is in positioning connection with a pin hole on a reduction furnace of the electrode to be polished.

Description

System and equipment for flexibly polishing electrode Technical Field The invention belongs to the technical field related to reduction furnaces, and particularly relates to a system and equipment for flexibly polishing an electrode. Background The silicon rod is the most commonly used silicon-based material, and can be processed into products such as solar cells through the procedures of crushing, pressing, slicing, etching, printing, assembly and the like. The production of the silicon rod is usually completed in a reducing furnace, the anode and the cathode of the electrode are connected by a silicon core, and the ionic silicon is crystallized on the silicon core to form the silicon rod in the electrified state. After the finished silicon rod is removed, the silicon crystal on the electrode needs to be polished to start the production of the next furnace silicon rod. At present, no automatic reduction furnace electrode polishing related equipment and technology exist, and in the prior art, the reduction furnace electrode polishing is usually performed by manually holding a self-priming pneumatic polisher. The prior art mainly has the defects that 1, each reduction furnace is generally provided with 40 pairs (80) of electrodes, silicon materials can be crystallized on the electrodes in the process of producing silicon rods, so that the labor intensity is very high, and a plurality of workers are required to squat and polish the electrodes one by one for a plurality of hours. 2. The electrode surface material of the reduction furnace is complex, graphite is usually used for making a protective sleeve, copper is used for making a cylindrical conical electrode base material, and silver plating is needed on the conical surface and the conical top surface of the copper electrode base material. The manual polishing can not accurately control polishing pressure, only one polishing sheet is used for treating the whole electrode surface, the silver plating layer can be slowly damaged in the manual polishing process, and the service life of the electrode is seriously shortened. 3. The silicon rod production must be in dust-free workshop, and the manual work holds from the pneumatic polisher in-process of polishing of inhaling, can produce raise dust, pollutes workshop environment. Therefore, a system and equipment for flexibly polishing an electrode are needed to be developed, and the following technical problems are solved, namely, 1, the electrode of a reduction furnace is automatically polished, and the production efficiency is improved. 2. Realize flexible polishing to the electrode, avoid polishing the silver plating coating of process damage electrode. 3. Dust-free environment of the workshop is prevented from being influenced by dust in the electrode polishing process. Disclosure of Invention The invention aims to solve the technical problems of the prior art and provide a system and equipment for flexible polishing electrodes of a reduction furnace for silicon rod production, which have the advantages of simple structure, reliable performance and convenient maintenance and realize the automation of the flexible polishing electrodes. In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: The system for flexibly polishing the electrode comprises a connecting mechanism, a polishing mechanism, a rotating mechanism and a dust removing mechanism, wherein the polishing mechanism comprises a rotary joint, a three-jaw chuck and at least two polishing jaws, the polishing jaws are arranged at the bottom of the three-jaw chuck and used for driving the three-jaw chuck and the polishing jaws to open or tighten, polishing of the surface of the electrode is achieved by the polishing jaws, the rotating mechanism comprises a power unit, a hollow rotating table and a connecting plate, the hollow rotating table is arranged on the connecting mechanism, the driving end of the power unit is connected with the hollow rotating table, the hollow rotating table is connected with the three-jaw chuck through the connecting plate, the power unit drives the hollow rotating table to rotate, so that the three-jaw chuck and the polishing jaws are driven to rotate, and the dust removing mechanism is arranged on the connecting mechanism and used for removing tiny dust generated in the working process of the polishing jaws. In another preferred scheme, coupling mechanism is including inserting link soon, a plurality of vertical bolster, buffering upper plate and buffering hypoplastron, and the both ends of vertical bolster are connected with buffering upper plate and buffering hypoplastron respectively, insert the link soon and set up the one side of keeping away from vertical bolster at buffering upper plate, and cavity revolving stage and rotary joint all set up on buffering hypoplastron. In another preferred scheme, a vertical guide column is further arranged between the buffering upper plate and