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CN-224222890-U - Low-voltage micro-arc processing head fast connected with mechanical arm

CN224222890UCN 224222890 UCN224222890 UCN 224222890UCN-224222890-U

Abstract

The utility model relates to the technical field of low-pressure micro-arc processing heads, and discloses a low-pressure micro-arc processing head which is fast connected with a mechanical arm, wherein the low-pressure micro-arc processing head comprises a low-pressure micro-arc processing head body, the upper surface of the low-pressure micro-arc processing head body is fixedly connected with a connecting bracket, and the upper surface of the connecting bracket is provided with a fast connection component; the quick-connection assembly comprises a mounting sleeve, the mounting sleeve is fixedly connected to the upper surface of the connecting support, mounting boxes are fixedly connected to two sides of the mounting sleeve, two-way studs are rotatably connected to the inside of the mounting boxes, and driven bevel gears are fixedly connected to the middle parts of the two-way studs. According to the utility model, the two clamping plates can limit and fasten the inserted mounting shaft only by rotating the turntable, and an additional mounting tool is not required to be found or a plurality of bolt screws are screwed one by one, so that the mounting efficiency and convenience are remarkably improved, and when the processing head is vibrated in the processing process, the springs in the buffer assembly play an effective buffer role in connection between the mounting shaft and the processing head.

Inventors

  • ZHOU JIANPING
  • LIAN GUOYU
  • XU YAN
  • CHEN XIAOKANG
  • LI XUEZHI
  • YANG WEIKANG

Assignees

  • 新疆大学

Dates

Publication Date
20260512
Application Date
20250409

Claims (7)

  1. 1. The low-pressure micro-arc processing head which is connected with the mechanical arm quickly comprises a low-pressure micro-arc processing head body (1) and is characterized in that a connecting bracket is fixedly connected to the upper surface of the low-pressure micro-arc processing head body (1), and a quick connection component is arranged on the upper surface of the connecting bracket; The quick-connection assembly comprises a mounting sleeve (2), the mounting sleeve (2) is fixedly connected to the upper surface of a connecting support, mounting boxes (3) are fixedly connected to two sides of the mounting sleeve (2), two-way studs (4) are rotatably connected to the inside of each mounting box (3), driven bevel gears (5) are fixedly connected to the middle parts of the two-way studs (4), two moving blocks (6) are connected to the outer threads of the two-way studs (4), push-pull rods (7) are hinged to one sides of the moving blocks (6), clamping plates (8) are hinged to one ends of the push-pull rods (7), and a plurality of rubber balls (9) are arranged on one sides of the clamping plates (8).
  2. 2. The low-pressure micro-arc machining head fast connected with the mechanical arm according to claim 1, wherein a driving bevel gear (10) is rotatably connected to one side of the inner wall of the installation box (3), and the driving bevel gear (10) is in meshed connection with the driven bevel gear (5).
  3. 3. The low-pressure micro-arc machining head fast connected with the mechanical arm according to claim 2, wherein a rotating rod (11) is fixedly connected to the middle of the drive bevel gear (10), a fixed shell (16) is fixedly connected to one side of each of the two mounting boxes (3), and the two rotating rods (11) are rotatably connected to the inside of the fixed shell (16).
  4. 4. The low-voltage micro-arc machining head fast connected with the mechanical arm according to claim 3, wherein one end of the rotating rod (11) is fixedly connected with a driven sprocket (12), the middle part of the fixed shell (16) is rotatably connected with a rotary table (13), and one side of the rotary table (13) is rotatably connected with two driving sprockets (14).
  5. 5. The low-voltage micro-arc machining head fast connected with the mechanical arm according to claim 4, wherein a chain (15) is connected between the driving sprocket (14) and the driven sprocket (12) in a meshed mode, and first storage grooves (17) are respectively formed in two sides of the inner wall of the mounting sleeve (2).
  6. 6. The low-pressure micro-arc machining head fast connected with the mechanical arm according to claim 1, wherein a buffer assembly is arranged on the inner wall of the mounting sleeve (2), the buffer assembly comprises two second storage grooves (18), the two second storage grooves (18) are formed in two sides of the inner wall of the mounting sleeve (2), and a plurality of mounting grooves (19) are formed in one side of the second storage grooves (18).
  7. 7. The low-pressure micro-arc machining head fast connected with the mechanical arm according to claim 6, wherein two sliding grooves (20) are formed in the upper surface of the mounting sleeve (2), springs (21) are fixedly connected to the inside of the mounting grooves (19), pushing blocks (22) are fixedly connected to one ends of the springs (21), buffer plates (23) are fixedly connected to one ends of the pushing blocks (22), sliding blocks (24) are fixedly connected to the inner walls of the buffer plates (23), and the sliding blocks (24) are slidably connected to the inside of the sliding grooves (20).

Description

Low-voltage micro-arc processing head fast connected with mechanical arm Technical Field The utility model relates to the technical field of low-pressure micro-arc machining heads, in particular to a low-pressure micro-arc machining head which is fast connected with a mechanical arm. Background The mechanical arm is an automatic mechanical device with human arm-like function and capable of completing various operations, has programmability, can receive instructions and move objects according to space position and posture to realize accurate operations, the low-voltage micro-arc processing head is a tool for electric discharge machining, and the working principle is that in liquid dielectric medium, the metal is removed by adopting a series of rapid repeated discharge methods between the electrode and the workpiece, the machining method has the advantages of high workpiece machining precision and good surface quality, and the automatic characteristic of the mechanical arm enables the mechanical arm to automatically execute machining tasks, and after the mechanical arm is connected with a low-voltage micro-arc machining head, automatic production can be realized, and the production efficiency is improved. Through searching, chinese patent with publication number CN220480259U discloses a portable low-voltage micro-arc electric spindle device, which aims at the problems that the existing electric discharge machining equipment is large in size and complex in internal structure, so that all installed electric spindles are large-sized spindles. The large-sized main shaft is not suitable for a small-sized discharge device, is not enough in adaptability, is complex in power-on structure, is not easy to replace, is not enough in portability, is relatively complicated in operation during carrying and mounting, cannot meet the requirements under different processing scenes, and is not enough in practicality. The performance indexes of the existing small-sized main shaft structures are limited by materials and structural designs, so that the performance indexes are often required to be compromised in terms of indexes such as insulation performance, rotation state and the like, and the related requirements of low-voltage micro-arc machining are not met, so that the suitability is poor, the small-sized main shaft structures are adaptively designed for small-sized electric discharge machining equipment, the overall size of the main shaft is reduced, the main shaft is convenient to carry, meanwhile, the installation procedure is simplified, and the difficulty in assembly and positioning is reduced. In the prior art, when the low-pressure micro-arc machining head is installed on the installation shaft of the mechanical arm, the low-pressure micro-arc machining head is usually fixed in a welded connection mode, when the low-pressure micro-arc machining head needs to be conveniently disassembled and assembled, a plurality of bolts and screws are usually adopted, the low-pressure micro-arc machining head and the installation shaft of the mechanical arm are installed and screwed, and when the bolts and the screws are installed, nuts and screwdrivers are usually matched for use together, if manual operation is usually difficult to screw the bolts and the screws, an installation tool is additionally required to be found when the low-pressure micro-arc machining head is installed, the connection efficiency between the low-pressure micro-arc machining head and the mechanical arm is reduced, and the installation progress is relatively delayed. Disclosure of utility model The utility model aims to solve the defects in the prior art, and provides a low-pressure micro-arc processing head which is fast connected with a mechanical arm. In order to achieve the aim, the utility model adopts the following technical scheme that the low-pressure micro-arc processing head which is fast connected with the mechanical arm comprises a low-pressure micro-arc processing head body, wherein the upper surface of the low-pressure micro-arc processing head body is provided with a fast connection component; The quick-connection assembly comprises a mounting sleeve, the mounting sleeve is fixedly connected to the upper surface of the low-voltage micro-arc machining head body, mounting boxes are fixedly connected to two sides of the mounting sleeve, a bidirectional stud is rotatably connected to the inside of each mounting box, a driven bevel gear is fixedly connected to the middle of each bidirectional stud, two moving blocks are connected to the outer threads of each bidirectional stud, a push-pull rod is hinged to one side of each moving block, two of the push-pull rods are hinged to one end of each push-pull rod, and a clamping plate is hinged to one side of each clamping plate and provided with a plurality of rubber balls. As a further description of the above technical solution: One side of the inner wall of the mounting box is rotationally connected w