A soldering tab jig

CN224879556UActive Publication Date: 2026-10-23WUXI KALANNIP THERMAL MANAGEMENT TECH CO LTD
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Patent Information

Application Number
CN202522043943.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-23
Publication Date
2026-10-23
Estimated Expiration
2035-09-23

AI Technical Summary

Technical Problem

[0004]目前,面临着一个严峻的问题:由于产品钎焊时,需要较大的锁附力,而散热器的鳍片结构通常较为薄弱

Benefits of technology

[0011]与现有技术相比,本实用新型的钎焊插片治具具备以下有益效果:

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of brazing inserts jig, belong to welding jig technical field, including two steel side plates, the inner wall of steel side plate is provided with mounting frame, the inner wall of mounting frame is fixedly installed with a group of radiating fins, the inner wall of radiating fin is inserted with a group of steel sheet, the outer wall both sides of steel sheet are inserted with two steel combs, the outer wall one side of steel comb is inserted with lock steel pin. The utility model's brazing inserts jig is supported and is restrained to radiating fin by the synergistic effect of steel sheet, steel comb, lock steel pin and steel side plate, in brazing process, can resist the influence of larger lock force and welding thermal stress to fin, avoid fin to appear deformation bending condition, this not only guarantees the appearance regularity of radiator, more critical is to ensure that fin gap is uniform, air can flow smoothly, effectively take away heat.
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Description

Technical Field

[0001] This utility model relates to a brazing insert fixture, belonging to the field of welding fixture technology. Background Technology

[0002] In electronic heat dissipation systems, efficient heat dissipation is crucial for ensuring the performance and lifespan of electronic components. Most commercially available heat sinks are made by soldering with solder paste, which introduces a certain amount of thermal resistance.

[0003] To achieve optimal heat dissipation, brazed radiators exhibit lower thermal resistance and superior heat transfer performance. Brazing is a welding method that utilizes a filler metal with a lower melting point than the metals being welded. The filler metal melts and fills the joint gap through capillary action, allowing heat to diffuse between the filler and the base material, thus achieving a connection. When brazing radiators for this type of radiator, each layer must be precisely welded together to ensure efficient heat conduction and dissipation between layers.

[0004] Currently, a serious problem exists: due to the significant bonding force required during product brazing, and the typically thin fin structure of heat sinks, the large external force and thermal stress generated during brazing can cause the fins to deform and bend after welding. This deformation not only affects the appearance of the heat sink but, more importantly, severely reduces its heat dissipation performance. Because deformed fins obstruct airflow between them, heat cannot be effectively carried away, thus affecting the overall heat dissipation effect of the heat sink, shortening the lifespan of electronic components, and potentially causing them to malfunction due to overheating.

[0005] Therefore, providing a brazing insert fixture to prevent fin deformation and bending, ensure the regularity of the heat sink's appearance, ensure uniform gaps between fins, allow smooth airflow, effectively remove heat, and thus guarantee the heat dissipation performance of the heat sink, extend the service life of electronic devices, prevent overheating failures caused by poor heat dissipation, ensure accurate relative positioning between each heat sink layer, uniform gaps at weld joints, achieve a firm connection between heat sink layers, and prevent weld position misalignment due to fin deformation, improve the precision of the brazing process, guarantee the welding quality of the heat sink, and ultimately ensure that the heat sink can efficiently conduct heat, has become a pressing technical challenge to be solved in this field. Summary of the Invention

[0006] The purpose of this invention is to provide a brazing insert fixture that prevents fin deformation and bending, ensures the regularity of the heat sink's appearance, ensures uniform gaps between fins, allows for smooth airflow, effectively removes heat, thereby guaranteeing the heat sink's heat dissipation performance, extending the lifespan of electronic components, preventing overheating failures caused by poor heat dissipation, ensuring accurate relative positions between each heat sink layer, uniform gaps at weld joints, and a firm connection between heat sink layers. Simultaneously, it prevents weld position misalignment due to fin deformation, improves the precision of the brazing process, guarantees the weld quality of the heat sink, and ultimately ensures that the heat sink can efficiently conduct heat.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: A brazing insert fixture includes two steel side plates 1, characterized in that: an installation frame 4 is provided on the inner wall of the steel side plate 1, a set of heat dissipation fins 3 is fixedly installed on the inner wall of the installation frame 4, a set of steel plates 5 are inserted into the inner wall of the heat dissipation fins 3, two steel combs 6 are inserted into both sides of the outer wall of the steel plates 5, and a locking steel pin 2 is inserted into one side of the outer wall of the steel combs 6.

[0008] Preferably, one side of the comb teeth of the steel comb 6 matches the steel sheet 5, bolt holes are provided at both ends of the outer wall of the steel side plate 1, and bolt holes for fixed connection with the steel side plate 1 are provided through the outer wall of the steel comb 6.

[0009] Preferably, a slot matching the locking pin 2 is provided through one side of the outer wall of the steel comb 6, and bolt holes for mutual fixing are provided on the outer walls of both the steel comb 6 and the locking pin 2.

[0010] Preferably, the mounting frame 4 is constructed by welding side plates, a top plate, and a bottom plate. Beneficial effects

[0011] Compared with the prior art, the brazing insert fixture of this utility model has the following beneficial effects: (1) The brazing insert fixture of this utility model provides all-round support and constraint for the heat dissipation fins through the synergistic effect of steel sheets, steel combs, locking steel pins and steel side plates. During the brazing process, it can resist the influence of large locking force and welding thermal stress on the fins and avoid deformation and bending of the fins. This not only ensures the appearance regularity of the heat sink, but more importantly, it ensures that the gap between the fins is uniform, and the air can flow smoothly and effectively remove heat, thereby ensuring the heat dissipation performance of the heat sink, extending the service life of electronic devices, and avoiding overheating failure of electronic devices due to poor heat dissipation of the heat sink. (2) All components of the brazing insert fixture of this utility model adopt a precise matching design, such as the matching of steel comb teeth and steel plates, and the matching of locking steel pins and steel comb slots. This enables precise positioning of heat dissipation fins and multi-layer heat dissipation plates. During the brazing process, it ensures that the relative position between each layer of heat dissipation plates is accurate and the gap of the welded joint is uniform, thus achieving a firm connection between each layer of heat dissipation plates. At the same time, it avoids the welding position shift caused by fin deformation, improves the precision of the brazing process, ensures the welding quality of the radiator, and thus ensures that the radiator can efficiently conduct heat.

[0012] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but this does not imply a limitation on the scope of protection of the present invention. Unless otherwise specified, the implementation conditions and apparatus in the embodiments are conventional implementation conditions in the art and conventional apparatus available on the market. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of the brazing insert fixture in Embodiment 1 of this utility model; Figure 2 This is an exploded view of the overall structure of the brazing insert fixture in Embodiment 1 of this utility model; Figure 3 This is a partial structural schematic diagram of the brazing insert fixture in Embodiment 1 of this utility model; Figure 4 This is a partial structural schematic diagram from another perspective of the brazing insert fixture in Embodiment 1 of this utility model; Figure 5 This is a schematic diagram of the heat dissipation fins in the brazing insert fixture of Embodiment 1 of this utility model.

[0014] Main component names: 1. Steel side plate; 2. Locking steel pin. 3. Heat dissipation fins 4. Mounting frame 5 steel sheet 6 steel comb Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Unless otherwise specified, all components used in this embodiment of the present invention are conventional components that are available on the market in this technical field, and the connections between the components are conventional connections. Example

[0017] like Figure 1 The diagram shown is a schematic representation of the overall structure of the brazing insert fixture in Embodiment 1 of this utility model; as shown... Figure 2 The diagram shown is an exploded view of the overall structure of the brazing insert fixture in Embodiment 1 of this utility model; as shown Figure 3 The diagram shown is a partial structural schematic of the brazing insert fixture in Embodiment 1 of this utility model; as shown Figure 4 The image shown is a partial structural schematic diagram of the brazing insert fixture in Embodiment 1 of this utility model from another perspective; as shown... Figure 5 The diagram shows the structure of the heat dissipation fins in the brazing insert fixture of Embodiment 1 of this utility model; where 1 is a steel side plate, 2 is a locking steel pin, 3 is a heat dissipation fin, 4 is a mounting frame, 5 is a steel sheet, and 6 is a steel comb; the brazing insert fixture of Embodiment 1 of this utility model includes two steel side plates 1, the inner walls of the two steel side plates 1 are provided with a mounting frame 4, a set of heat dissipation fins 3 are fixedly installed on the inner wall of the mounting frame 4, a set of steel sheets 5 are inserted into the inner wall of the set of heat dissipation fins 3, and two steel combs 6 are inserted into both sides of the outer wall of the steel sheet 5. The steel combs 6 are inserted into the steel sheet 5, thereby providing lateral constraints on the steel sheet 5 and the heat dissipation fins 3 to prevent the heat dissipation fins 3 from deforming during subsequent heat dissipation, and a locking steel pin 2 is inserted into one side of the outer wall of each of the two steel combs 6; The teeth of the steel comb 6 are matched with the steel plate 5 on one side. Bolt holes are opened at both ends of the outer wall of the two steel side plates 1. Bolt holes for fixing the steel side plates 1 are opened through the outer wall of the two steel combs 6, so that the steel comb 6 is fixedly connected to the steel side plates 1, and the steel side plates 1, steel comb 6 and steel plate 5 form an integral frame. A slot matching the locking pin 2 is provided through one side of the outer wall of the steel comb 6. The locking pin 2 can pass through the steel comb 6 and then contact the steel plate 5, thereby generating a longitudinal clamping force. The outer walls of the steel comb 6 and the locking pin 2 are provided with bolt holes for mutual fixing. The steel side plate 1, steel plate 5, steel comb 6 and locking pin 2 are all made of steel, which has good strength and high temperature resistance, can adapt to the working environment during the brazing process, and is not easy to be damaged or deformed, thus ensuring the long-term stable use of the fixture. The mounting frame 4 is constructed by welding the side plate, top plate and bottom plate.

[0018] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0019] In the first embodiment of this utility model, when the brazing insert fixture is in operation, firstly, the mounting frame 4 is welded from side plates, top plates, and bottom plates to form a stable basic support structure. A set of heat dissipation fins 3 are fixedly installed on the inner wall of the mounting frame 4 to ensure the regularity of the initial position of the heat dissipation fins 3. Then, a set of steel plates 5 are inserted one by one into the inner wall of the heat dissipation fins 3. The steel plates 5 themselves have high strength and can initially fill the gaps between the heat dissipation fins 3, providing initial support for the weak fin structure and preventing the fins from shifting during subsequent operations. Next, two steel combs 6 are inserted from both sides of the outer wall of the steel plates 5. Since one side of the comb teeth of the steel comb 6 matches the steel plate 5, the comb teeth can accurately embed into the gaps between the steel plates 5, further strengthening the connection between the steel plates 5 and the heat dissipation fins. Plate 3 forms a lateral constraint; then, using the bolt holes through the outer walls of the steel side plate 1 and the outer wall of the steel comb 6, the steel side plate 1 and the steel comb 6 are fixedly connected by bolts, so that the steel side plate 1, the steel comb 6 and the steel plate 5 form an integral frame, which reinforces the heat dissipation fins 3 from both sides; finally, the locking steel pin 2 is inserted into the matching slot on one side of the outer wall of the steel comb 6, and fixedly connected through the bolt holes on the outer walls of the steel comb 6 and the locking steel pin 2. The locking steel pin 2 can generate a longitudinal clamping force on the steel plate 5, further enhancing the stability of the overall structure, so that the heat dissipation fins 3 always maintain a regular shape under the action of the large locking force required for brazing and the influence of welding thermal stress, providing a guarantee for the precise implementation of the subsequent brazing process.

[0020] The brazing insert fixture of this utility model provides all-round support and constraint for the heat dissipation fins through the synergistic action of steel sheets, steel combs, locking steel pins and steel side plates. During the brazing process, it can resist the influence of large locking forces and welding thermal stress on the fins, and avoid deformation and bending of the fins. This not only ensures the appearance regularity of the heat dissipation, but more importantly, it ensures that the gap between the fins is uniform, so that the air can flow smoothly and effectively remove heat.

[0021] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A brazing insert fixture, comprising two steel side plates (1), characterized in that: The inner wall of the steel side plate (1) is provided with an installation frame (4). A set of heat dissipation fins (3) are fixedly installed on the inner wall of the installation frame (4). A set of steel plates (5) are inserted into the inner wall of the heat dissipation fins (3). Two steel combs (6) are inserted into both sides of the outer wall of the steel plates (5). Locking steel pins (2) are inserted into one side of the outer wall of the steel combs (6).

2. The brazing insert fixture according to claim 1, characterized in that: The teeth of the steel comb (6) are matched with the steel sheet (5) on one side. Bolt holes are provided at both ends of the outer wall of the steel side plate (1). Bolt holes for fixed connection with the steel side plate (1) are provided through the outer wall of the steel comb (6).

3. The brazing insert fixture according to claim 1, characterized in that: The outer wall of the steel comb (6) has a slot that matches the locking pin (2) through it. The outer walls of both the steel comb (6) and the locking pin (2) have bolt holes for fixing them together.

4. The brazing insert fixture according to claim 1, characterized in that: The mounting frame (4) is constructed by welding side plates, top plates and bottom plates.