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CN-224222903-U - Integral brazing tool for nerve stimulator

CN224222903UCN 224222903 UCN224222903 UCN 224222903UCN-224222903-U

Abstract

The utility model relates to the technical field of nerve stimulator brazing, in particular to a nerve stimulator integral brazing tool which comprises a tool main body, wherein the tool main body is of a cylindrical structure with an opening at the lower part, odd ventilation openings are uniformly distributed on the side wall, the bottoms of the ventilation openings penetrate through the bottom end of the side wall, the height of the ventilation openings is larger than half of the height of the side wall, a supporting table is arranged at the upper part of the tool main body, a boss is arranged at the middle part of the supporting table, a plurality of positioning keys are arranged on the boss and matched with square grooves of a nerve stimulator, and a plurality of heat dissipation holes are formed in the supporting table at the outer side of the boss. The tool main body can adjust the overall heat distribution of the tool through the heat conduction characteristic of air or vacuum environment, and the temperature uniformity in the brazing process is controlled within +/-2 ℃ by combining the stable heat conductivity of ceramic materials, so that the problems of solder flowing, cracking and the like caused by local overheating or supercooling are avoided, and the stability of the brazing quality is improved.

Inventors

  • Yuan Lanfu
  • YU KAIKAI

Assignees

  • 摩科斯电子科技(苏州)有限公司

Dates

Publication Date
20260512
Application Date
20250610

Claims (10)

  1. 1. The integral brazing tool for the nerve stimulator is characterized by comprising a tool main body (1), wherein the tool main body (1) is of a cylindrical structure with an opening at the lower part, and the side wall is uniformly provided with a plurality of ventilation openings (2), the bottom of each ventilation opening (2) penetrates through the bottom end of the side wall, and the height of each ventilation opening is greater than half of the height of the side wall; The upper portion of the tool main body (1) is provided with a supporting table (3), a boss (4) is arranged in the middle of the supporting table (3), a plurality of positioning keys (5) are arranged on the boss (4) and matched with square grooves of the nerve stimulator, and a plurality of heat dissipation holes (6) are formed in the supporting table (3) on the outer side of the boss (4).
  2. 2. The integral brazing tool for the nerve stimulator according to claim 1, wherein the tool body (1) is provided with three ventilation openings (2).
  3. 3. The integral brazing tool for the nerve stimulator according to claim 1, wherein the upper part of the ventilation opening (2) is arched, and the lower part of the ventilation opening is square.
  4. 4. A neurostimulator integral brazing tool according to claim 3, characterized in that the vent (2) is inclined upwardly open in the direction of the axis of the tool body (1).
  5. 5. The integral brazing tool for a nerve stimulator according to claim 4, wherein the central angle of the ventilation opening (2) corresponding to the circumferential direction of the cylinder is larger than 60 degrees.
  6. 6. The integral brazing tool for the nerve stimulator according to claim 1, wherein the radiating holes (6) are arc-shaped strip-shaped holes, and the radiating holes (6) are identical in shape and interval.
  7. 7. The integral brazing tool for the nerve stimulator according to claim 6, wherein the circle center of the radiating hole (6) is coincident with the axis of the tool main body (1).
  8. 8. The integral brazing tool for the nerve stimulator according to claim 6, wherein the central angles of the heat dissipation holes (6) and the ventilation openings (2) are the same.
  9. 9. The integral brazing tool for a nerve stimulator according to claim 6, wherein the heat dissipation holes (6) and the ventilation openings (2) are staggered.
  10. 10. The integral brazing tool of a nerve stimulator according to claim 1, wherein the cross section of the positioning key (5) is square.

Description

Integral brazing tool for nerve stimulator Technical Field The utility model relates to the technical field of nerve stimulator brazing, in particular to a whole nerve stimulator brazing tool. Background The nerve stimulator is used as a precise medical instrument, and the connection quality of the internal components of the nerve stimulator has a great influence on performance. Vacuum brazing is an important process for realizing high-quality connection of parts of the nerve stimulator, but the existing brazing tool is difficult to accurately position tiny parts of the nerve stimulator, and the stability and heat conduction uniformity of the tool are insufficient in a vacuum environment, so that the brazing quality is unstable and the rejection rate is high, and therefore, the vacuum brazing tool specially applicable to the nerve stimulator is required. In addition, after the vacuum brazing process of the nerve stimulator is completed, argon protection treatment and fan cooling operation are also required. However, the conventional welding method has significant defects in the implementation process, uniform distribution and effective protection of argon cannot be realized, and meanwhile, uniformity of a cooling effect is difficult to ensure in a fan cooling link, which may adversely affect the final quality and performance of the nerve stimulator. Disclosure of utility model In order to solve the technical problems in the background technology, the utility model provides an integral brazing tool for a nerve stimulator. The technical scheme of the utility model is as follows: the utility model provides a neural stimulator whole frock of brazing, includes the frock main part, and the frock main part is lower open-ended drum structure, and the lateral wall equipartition has an odd number vent, and the vent bottom runs through the lateral wall bottom, and the height is greater than half of lateral wall height; The upper part of the tool main body is a bearing table, a boss is arranged in the middle of the bearing table, a plurality of positioning keys are arranged on the boss and matched with square grooves of the nerve stimulator, and a plurality of radiating holes are formed in the bearing table on the outer side of the boss. Three ventilation openings are formed in the tool main body. The upper part of the ventilation opening is arched, and the lower part is square. The vent is in the direction towards frock main part axis direction, upwards slope opening. The corresponding central angle of the ventilation opening in the circumferential direction of the cylinder is larger than 60 degrees. The radiating holes are arc-shaped strip-shaped holes, and the radiating holes are identical in shape and interval. The circle center of the heat dissipation hole coincides with the axis of the tool main body. The central angles of the heat dissipation holes and the positions of the ventilation openings are the same. The heat dissipation holes and the ventilation openings are staggered. The cross section of the positioning key is square. The beneficial effects of the utility model are as follows: 1. The utility model can control the positioning precision of the neural stimulator component within +/-0.05 mm through the accurate positioning device, effectively solves the problem of inaccurate positioning of the component, and improves the consistency of the braze joint. 2. The positioning key enables the nerve stimulator parts to be suspended and located on the same plane, on one hand, the uniformity of heating of the parts is guaranteed, uneven welding strength caused by local temperature difference is avoided, on the other hand, the metal wire can keep stable in position when being heated and expanded, the solder is guaranteed to be uniformly wetted along the welding surface, and high-quality welding with uniform thickness and smooth surface is achieved. 3. The tool main body can adjust the overall heat distribution of the tool through the heat conduction characteristic of air or vacuum environment, and the temperature uniformity in the brazing process is controlled within +/-2 ℃ by combining the stable heat conductivity of ceramic materials, so that the problems of solder flowing, cracking and the like caused by local overheating or supercooling are avoided, and the stability of the brazing quality is improved. 4. The ventilation opening and the cooling holes can realize uniform distribution and effective protection of argon in the argon protection treatment and fan cooling operation process, ensure the uniformity of cooling effect in the fan cooling link, and improve the final quality and performance of the nerve stimulator. Drawings In the drawings: FIG. 1 is a diagram of the overall structure of the present utility model; Fig. 2 is a cross-sectional view of the present utility model. The components represented by the reference numerals in the figures are: 1. the fixture comprises a fixture main body, a ventilation ope