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CN-224205657-U - Tin-planting net with composite heat radiation structure

CN224205657UCN 224205657 UCN224205657 UCN 224205657UCN-224205657-U

Abstract

The utility model relates to the technical field of tin plating tools, in particular to a tin plating net with a composite heat dissipation structure, which comprises a main body plate, wherein a tin plating area for placing chips and conducting tin plating operation is arranged in the middle of the main body plate, a plurality of tin plating holes corresponding to the positions of pins of the chips are arranged in the tin plating area, an air cooling part is fixedly arranged at the edge of the tin plating area, a water cooling part is arranged in the main body plate, and a plurality of heat dissipation fins are arranged at the periphery of the tin plating area on the top surface of the main body plate. In the tin-plating net with the composite heat-radiating structure, air cooling, water cooling and heat-radiating fins are combined, heat can be quickly taken away through multi-dimensional omnibearing heat radiation, accumulation is avoided, and quick cooling is realized. The water cooling pipe has the advantages of serpentine distribution of water cooling pipes, precise air supply of fans, scientific layout of radiating fins, material and thickness design of the water cooling pipes, micro-nano coating of the radiating fins, and improvement of heat conduction and convection heat exchange efficiency. The solder is prevented from being excessively melted, so that the welding spots are regular and are strong in connection, the damage to pins caused by high temperature is reduced, the tin planting quality is improved, and the service life of a chip is prolonged.

Inventors

  • ZHANG GUOBIAO
  • SHEN JUNLIANG
  • LI JINHONG

Assignees

  • 东莞市长善精密科技有限公司

Dates

Publication Date
20260505
Application Date
20250523

Claims (8)

  1. 1. The tin planting net with the composite heat dissipation structure comprises a main body plate (1) and is characterized in that a tin planting area (2) for placing chips and carrying out tin planting operation is formed in the middle of the main body plate (1), a plurality of tin planting holes (21) corresponding to the positions of pins of the chips are formed in the tin planting area (2), an air cooling part (6) is fixedly arranged at the edge of the tin planting area (2), a water cooling part (4) is arranged in the main body plate (1), and a plurality of heat dissipation fins (3) are arranged at the periphery of the tin planting area (2) on the top surface of the main body plate (1).
  2. 2. The tin planting net with the composite heat dissipation structure as set forth in claim 1, wherein the tin planting area (2) is of a rectangular groove structure, and the tin planting holes (21) are distributed at the bottom of the tin planting area (2) in a matrix.
  3. 3. The tin planting net with the composite heat dissipation structure of claim 1, wherein the water cooling part (4) comprises a water cooling pipeline, one end of the water cooling pipeline is provided with a water inlet end, the other end of the water cooling pipeline is provided with a water outlet end, the water cooling pipeline is distributed in a serpentine shape at a position, close to the tin planting area (2), inside the main body plate (1), the water inlet end and the water outlet end extend to the outside of the main body plate (1) and are connected to an external water tank (5), and heat generated by the tin planting area (2) can be efficiently absorbed through cooling liquid flowing in the water cooling pipeline in a circulating mode, so that a good heat dissipation effect is achieved.
  4. 4. The tin planting net with the composite heat dissipation structure of claim 3, wherein one side of the external water tank (5) is connected with a water outlet pipe (51) and a water inlet pipe (52), a water pump (53) is arranged on the water outlet pipe (51), the water outlet pipe (51) is connected with a water inlet end of a water cooling pipeline, and the water inlet pipe (52) is connected with a water outlet end of the water cooling pipeline.
  5. 5. The tin planting net with the composite heat dissipation structure as set forth in claim 1, wherein the air cooling component (6) comprises a micro fan, the micro fan is mounted on the inner side surface of the tin planting area (2) through a bracket, and an air outlet of the micro fan faces the tin planting area (2).
  6. 6. The tin-plating net with the composite heat dissipation structure as set forth in claim 1, wherein the heat dissipation fins (3) are integrally formed with the main body plate (1) or fixedly connected by welding.
  7. 7. The tin planting net with the composite heat dissipation structure as set forth in claim 6, wherein a micro-nano structure coating is arranged on the surface of the heat dissipation fin (3) to increase the heat convection coefficient of the heat dissipation fin and air.
  8. 8. The tin-plated net with the composite heat dissipation structure of claim 3, wherein the water-cooled pipeline is made of a metal material with a heat conductivity coefficient not lower than 400W/(m, K), and the thickness of the pipe wall is 0.3-0.8mm, so that the heat conduction efficiency is improved while the strength is ensured.

Description

Tin-planting net with composite heat radiation structure Technical Field The utility model relates to the technical field of tin plating tools, in particular to a tin plating net with a composite heat dissipation structure. Background In the manufacturing and maintenance work of electronic equipment, the tin plating of the chip is a very critical process link, the operation quality of the tin plating directly relates to the connection stability of the chip and the circuit board, and the tin plating has a profound effect on the overall performance of the electronic equipment. In the conventional tin-plating operation of the chip, a large amount of heat is generated in the welding process, and if heat dissipation is not timely and insufficient, the temperature of a tin-plating area is rapidly increased, so that a plurality of problems are caused. Currently, a single heat dissipation mode is adopted for part of tin-plated nets in the market. For example, "a tin-plated steel mesh provided with heat dissipation slits" of patent application No. CN209216924U, which relies on the heat dissipation slits alone to achieve heat dissipation. This single heat dissipation is very efficient in the face of the high heat generated during tin plating. With the continuous proceeding of tin-plating operation, heat is continuously accumulated, the temperature of a tin-plating area is continuously increased, solder is extremely easy to excessively melt, the shape of a welding spot is irregular, the connection strength is insufficient, the pins of a chip can be damaged, the quality and the precision of tin-plating are seriously affected, and the performance and the stability of electronic equipment are further affected. Therefore, it is urgent to develop a more efficient heat dissipation structure to meet the heat dissipation requirement in the process of tin plating on chips. Disclosure of utility model The utility model aims to provide a tin-plating net with a composite heat-dissipating structure, so as to solve the problem that the efficiency is extremely limited when the single heat-dissipating mode proposed in the background art faces high heat generated in the tin-plating process. In order to achieve the above purpose, the utility model provides a tin-planting net with a composite heat-dissipating structure, which comprises a main body plate, wherein a tin-planting area for placing chips and carrying out tin-planting operation is arranged in the middle of the main body plate, a plurality of tin-planting holes corresponding to the positions of pins of the chips are arranged in the tin-planting area, an air cooling part is fixedly arranged at the edge of the tin-planting area, a water cooling part is arranged in the main body plate, and a plurality of heat-dissipating fins are arranged at the periphery of the tin-planting area on the top surface of the main body plate. The air cooling part at the edge of the tin-planting area, the water cooling part in the main body board and the radiating fins at the periphery of the tin-planting area form a composite radiating structure, the multi-mode cooperative radiating can rapidly reduce the temperature of the tin-planting area, avoid the influence of high temperature on the tin-planting quality and improve the tin-planting precision and reliability. Preferably, the tin-planting area has a rectangular groove structure, and the tin-planting holes are distributed at the bottom of the tin-planting area in a matrix manner. The device can be compatible with various chip pin layouts, improves the universality of the tin-plating net, meets the tin-plating requirements of different chips, and reduces the use cost of tools. Preferably, the water cooling part comprises a water cooling pipeline, one end of the water cooling pipeline is provided with a water inlet end, the other end of the water cooling pipeline is provided with a water outlet end, the water cooling pipeline is distributed in a serpentine shape in the position, close to the tin planting area, of the main body plate, the water inlet end and the water outlet end are both extended to the outside of the main body plate and connected to an external water tank, and heat generated in the tin planting area can be efficiently absorbed through cooling liquid flowing in the water cooling pipeline in a circulating mode, so that a good heat dissipation effect is achieved. The device realizes stable and efficient heat dissipation and provides low-temperature environment guarantee for tin planting operation. Preferably, one side of the external water tank is connected with a water outlet pipe and a water inlet pipe, the water outlet pipe is provided with a water pump, the water outlet pipe is connected with the water inlet end of the water cooling pipeline, and the water inlet pipe is connected with the water outlet end of the water cooling pipeline. The external water tank, the water outlet pipe, the water inlet pipe and the water pump are arran