Assembling and forming jig for radiator
By designing and assembling the locking components and limiting plate structure of the fixture, the problem of improper fin gap caused by the manufacturing tolerance of existing fixtures was solved, achieving stable fixing and efficient welding of the fins, and improving the overall performance and appearance quality of the radiator.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONGGUAN TONGYU ELECTRONICS CO LTD
- Filing Date
- 2025-05-09
- Publication Date
- 2026-04-14
AI Technical Summary
Existing welding fixtures have manufacturing tolerances, which can cause the gap between the limiting block and the fins to be too large or too small, affecting the performance and appearance quality of the radiator, and making it difficult to remove or easy to scratch the fins.
An assembly fixture was designed, which adopts a locking component and a limiting plate structure. The lateral position can be adjusted dynamically by the cooperation of the movable block and the locking nut. The progressive compression is achieved by the tenon and mortise joint, which avoids the fins from going over the edge or being scratched.
This effectively avoids problems such as excessive edge or scratches caused by improper fin spacing, and improves the forming effect and welding quality of the heat sink.
Smart Images

Figure CN224124389U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of radiator assembly and welding technology, and in particular to an assembly and forming fixture for radiators. Background Technology
[0002] In modern electronic equipment and high-power industrial applications, the performance of heat sinks directly affects the operational stability, efficiency, and lifespan of the equipment. With the rapid development of technology, electronic components are evolving towards higher integration, miniaturization, and higher performance, resulting in a dramatic increase in the heat generated. This places more stringent demands on heat dissipation technology. As a core component of thermal management systems, heat sinks are widely used in numerous fields such as computer servers, communication base stations, new energy vehicle battery management systems, high-performance LED lighting equipment, and aerospace electronic equipment. Their function is to efficiently conduct heat from the heat source and dissipate it to the surrounding environment, ensuring stable operation of the equipment within a suitable temperature range.
[0003] Currently, the assembly and welding of multi-layer finned heatsinks on the market mostly utilizes welding fixtures for positioning and fixing. These welding fixtures are often designed based on simple positioning structures to ensure the accurate relative positions of each component during welding. However, the positioning modules of existing welding fixtures have certain manufacturing tolerances, which may result in the gap between the positioning block and the fins being too large or too small after processing. If the gap is too large, it will cause the fins to deform towards the edges after welding, affecting the overall performance and appearance quality of the heatsink. Conversely, if the gap is too small, it will be difficult to remove the welded product smoothly from the fixture, and the smooth surface of the fins is easily scratched during removal, also damaging product quality.
[0004] Therefore, it is necessary to research a new technical solution to address the above problems. Utility Model Content
[0005] In view of this, the present invention addresses the deficiencies of the existing technology, and its main objective is to provide an assembly and molding fixture for a radiator.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] An assembly fixture for a radiator includes a base plate, a first cover plate, a second cover plate, a first limiting plate, and a second limiting plate. The base plate has pads for elevating the fins. The first cover plate is detachably connected to the base plate and located above the pads. A locking assembly for limiting and fixing both sides of the fins is provided between the first cover plate and the base plate. The second cover plate is detachably connected to the base plate and located on one side of the first cover plate. The first limiting plate is located between the base plate and the first cover plate for limiting the outer end of the fins. The second limiting plate is located between the base plate and the first cover plate for limiting the other outer end of the fins.
[0008] As further explained, the locking assembly is configured in two sets, which are symmetrically distributed at both ends of the pad block. The locking assembly includes a movable block and a first limiting block. The movable block is movably mounted on the base plate, and a vertically mounted upright plate is provided on the movable block. A second limiting block is provided between the upright plate and the movable block. The first limiting block is located at the bottom end of the first cover plate and is opposite to the second limiting block. When the first cover plate is locked to the base plate, the first limiting block and the second limiting block abut against each other, and the upright plates on both sides of the pad block limit and fix the fins on both sides.
[0009] As further explained, the first limiting block has a first inclined surface on its inner side; the second limiting block has a second inclined surface on one side corresponding to the first inclined surface; when the first limiting block is in contact with the second limiting block, the first inclined surface and the second inclined surface coincide.
[0010] As further explained, a locking nut is provided between the movable block and the base plate; an adjustment groove is provided between the movable block and the locking nut; and multiple sets of first slots are provided on the upright plate.
[0011] As further explained, the bottom end of the first limiting plate is provided with an outwardly vertically extending insertion part; an insertion hole is provided between the insertion part and the bottom plate, and the insertion part can be inserted into or detached from the insertion hole; the two sides of the first limiting plate are provided with outwardly horizontally extending first connecting parts; a first connecting post is provided between the first connecting part and the bottom plate, and the top of the first connecting post is provided with a first fixing part that is tightly connected to the first connecting part.
[0012] As further explained, a second fixing part is provided between the second limiting plate and the base plate; the bottom end of the second limiting plate is provided with a connecting groove that is tightly connected to the second fixing part.
[0013] As further explained, the first cover plate is provided with two sets of outwardly vertically extending first baffles on the side away from the first limiting plate; the two sets of first baffles are symmetrically arranged at the bottom end of the first cover plate, and the first baffles are provided with multiple sets of second slots; a second connecting post is provided between the first cover plate and the bottom plate, and the first cover plate is provided with a first locking hole that locks with the second connecting post. A first movable hole is provided on one side of the first locking hole, and the diameter of the first movable hole is larger than the diameter of the first locking hole.
[0014] As further explained, the second cover plate has a second baffle extending vertically outward on both sides; the second baffle plate has multiple sets of third slots; a third connecting post is provided between the second cover plate and the bottom plate; the second cover plate has a second locking hole that locks with the third connecting post; a second movable hole is provided on one side of the second locking hole, and the diameter of the second movable hole is larger than the diameter of the second locking hole.
[0015] As further explained, the pad is provided with a support part for supporting the heat pipe on the side near the second cover plate; the support part is provided with multiple sets of equally spaced limiting parts.
[0016] As further explained, the first cover plate, the second cover plate, the pad block, and the base plate are all provided with multiple sets of regularly or irregularly distributed fourth slots.
[0017] Compared with the prior art, this utility model has obvious advantages and beneficial effects. Specifically, as can be seen from the above technical solution:
[0018] By setting up a locking assembly, the movable block of the locking assembly can be adjusted laterally through the adjusting groove and the locking nut. This allows the operator to dynamically adjust the gap according to the actual size of the fins, avoiding the phenomenon of excessive or insufficient gap, and preventing the fins from going beyond the edge or being scratched during removal. At the same time, through the tenon and tenon cooperation between the first and second limiting blocks of the locking assembly, the gap is gradually compressed during the locking process, which further improves the fixation of both sides of the multi-layer fins, prevents the fins from going beyond the edge, and improves the forming effect of the heat sink. Attached Figure Description
[0019] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0020] Figure 1 A schematic diagram of the overall structure of an assembly and molding fixture for a radiator provided by this utility model;
[0021] Figure 2 An exploded structural diagram of an assembly and molding fixture for a radiator provided by this utility model;
[0022] Figure 3 An exploded view of the locking assembly provided by this utility model;
[0023] Figure 4 A schematic diagram of the overall structure of the first cover plate and the base plate provided by this utility model;
[0024] Figure 5 A schematic diagram of the overall structure of the second cover plate and the bottom plate provided by this utility model.
[0025] The following are the labeling elements in the figure:
[0026] 10. Base plate; 11. Pad block; 111. Support part; 112. Limiting part; 13. First connecting post; 131. First fixing part; 14. Second connecting post; 15. Third connecting post;
[0027] 20. First cover plate; 21. First baffle; 22. First locking hole; 221. First movable hole;
[0028] 30. Second cover plate; 31. Second baffle; 32. Second locking hole; 321. Second movable hole;
[0029] 40. Locking assembly; 41. Movable block; 411. Adjustment groove; 42. First limit block; 421. First inclined surface; 43. Vertical plate; 44. Second limit block; 441. Second inclined surface; 45. Locking nut;
[0030] 50. First limiting plate; 51. Insertion part; 52. First connecting part;
[0031] 60. Second limiting plate; 61. Second fixing part;
[0032] 71. First fin section; 72. Second fin section; 73. Heat pipe. Detailed Implementation
[0033] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.
[0034] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.
[0035] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.
[0036] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.
[0037] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.
[0038] In one embodiment of the present invention, an assembly and molding jig for a radiator is used for welding the radiator. The radiator includes a first fin portion 71, a second fin portion 72 and a heat pipe 73. The first fin portion 71 is formed by stacking multiple layers of fins, and a heat pipe 73 is placed between adjacent layers. The heat pipe 73 is connected to the second fin portion 72 to form a complete radiator.
[0039] like Figure 1-5 As shown, an assembly jig for a radiator is provided, including a base plate 10, a first cover plate 20, a second cover plate 30, a first limiting plate 50, and a second limiting plate 60. The base plate 10 has pads 11 for elevating the fins. The first cover plate 20 is detachably connected to the base plate 10 and is located above the pads 11. A locking assembly 40 for limiting and fixing the fins on both sides is provided between the first cover plate 20 and the base plate 10. The second cover plate 30 is detachably connected to the base plate 10 and is located on one side of the first cover plate 20. The first limiting plate 50 is located between the base plate 10 and the first cover plate 20 and is used to limit the outer end of the fins. The second limiting plate 60 is located between the base plate 10 and the first cover plate 20 and is used to limit the other outer end of the fins.
[0040] By setting the locking assembly 40, the movable block 41 of the locking assembly 40 can be adjusted laterally through the adjusting groove 411 and the locking nut 45, allowing the operator to dynamically adjust the gap according to the actual size of the fins, avoiding the phenomenon of excessive or insufficient gap, and preventing the fins from going beyond the edge or being scratched during removal. At the same time, through the tenon and tenon cooperation between the first limiting block 42 and the second limiting block 44 of the locking assembly 40, the gap is gradually compressed during the locking process, which further improves the fixation of both sides of the multi-layer fins, prevents the fins from going beyond the edge, and improves the forming effect of the heat sink.
[0041] Preferably, the locking assembly 40 is configured in two sets, symmetrically distributed at both ends of the pad 11. The locking assembly 40 includes a movable block 41 and a first limiting block 42. The movable block 41 is movably mounted on the base plate 10, and a vertically arranged upright plate 43 is provided on the movable block 41. A second limiting block 44 is provided between the upright plate 43 and the movable block 41. The first limiting block 42 is located at the bottom end of the first cover plate 20 and is opposite to the second limiting block 44. When the first cover plate 20 is locked to the base plate 10, the first limiting block 42 and the second limiting block 44 abut against each other, and the upright plates 43 on both sides of the pad 11 limit and fix the fins on both sides. That is, through the tenon-and-mortise engagement of the first limiting block 42 and the second limiting block 44 of the locking assembly 40, the gap is progressively compressed during the locking process, further improving the fixation of the multi-layer fins on both sides, preventing the fins from extending beyond the edge, and improving the forming effect of the heat sink.
[0042] Furthermore, the first limiting block 42 has a first inclined surface 421 on its inner side. The second limiting block 44 has a second inclined surface 441 on one side corresponding to the first inclined surface 421. When the first limiting block 42 abuts against the second limiting block 44, the first inclined surface 421 and the second inclined surface 441 coincide. The wedge-shaped fit between the first inclined surface 421 and the second inclined surface 441 forms a self-locking structure. When the gap is too small due to tolerance, the contact force of the inclined surface can adjust the locking force between the vertical plate 43 and the fin, avoiding excessive compression. When the gap is too large, the contact force of the inclined surface provides additional support to prevent the fin from shifting, thereby ensuring that the fin can be properly locked and fixed, avoiding the phenomenon of shifting or misalignment after the formation of multiple layers of fins.
[0043] Furthermore, a locking nut 45 is provided between the movable block 41 and the base plate 10. An adjustment groove 411 is provided between the movable block 41 and the locking nut 45. Multiple sets of first slots are provided on the upright plate 43. By setting the adjustment groove 411 and the locking nut 45, when the first cover plate 20 and the second cover plate 30 are combined, the gap is gradually compressed during the locking process through the tenon and mortise engagement of the first limiting block 42 and the second limiting block 44, which further improves the fixation of both sides of the multi-layer fins, prevents the fins from going beyond the edge, and improves the forming effect of the heat sink. Conversely, during disassembly, the first cover plate 20 is removed and the movable block 41 is pushed outward, which drives the upright plate 43 to release the pressure of the fins and move away, thereby avoiding the jig scratching the fins when the fins are removed.
[0044] At the same time, by setting a first slot, the welding liquid can flow into the radiator in a replaceable manner during the welding of the fixture, thereby improving the welding quality of the radiator.
[0045] Preferably, the bottom end of the first limiting plate 50 is provided with an outwardly vertically extending insertion portion 51. An insertion hole is provided between the insertion portion 51 and the base plate 10, allowing the insertion portion 51 to be inserted into or detached from the insertion hole. First connecting portions 52 are provided on both sides of the first limiting plate 50, extending outwardly horizontally. A first connecting post 13 is provided between the first connecting portion 52 and the base plate 10, and the top end of the first connecting post 13 is provided with a first fixing portion 131 that is tightly connected to the first connecting portion 52. The clearance fit between the insertion portion 51 and the insertion hole ensures that the first limiting plate 50 only provides lateral positioning during welding, and can be quickly pulled out after welding, avoiding direct contact with the side of the fins and effectively reducing the risk of scratches caused by rigid contact between the fins and the first limiting plate 50.
[0046] Preferably, a second fixing part 61 is provided between the second limiting plate 60 and the base plate 10. The bottom end of the second limiting plate 60 is provided with a connecting groove that is tightly connected to the second fixing part 61. Through the snap-fit design between the connecting groove and the second fixing part 61, after welding, the second limiting plate 60 can be removed from the second fixing part 61, avoiding direct contact with the side of the fin, effectively reducing the risk of scratches caused by rigid contact between the fin and the second limiting plate 60.
[0047] Preferably, the first cover plate 20 has two sets of outwardly extending vertical first baffles 21 on the side away from the first limiting plate 50. Through the coordinated cooperation between the first baffles 21 and the first limiting plate 50, the two ends of the first fin portion 71 can be better limited, avoiding the phenomenon of excessive edge during fin welding. The two sets of first baffles 21 are symmetrically arranged at the bottom end of the first cover plate 20, and the first baffles 21 have multiple sets of second slots. A second connecting post 14 is provided between the first cover plate 20 and the base plate 10. The first cover plate 20 has a first locking hole 22 that locks with the second connecting post 14. A first movable hole 221 is provided on one side of the first locking hole 22, and the diameter of the first movable hole 221 is larger than the diameter of the first locking hole 22. The first movable hole 221 and the first locking hole 22 form a gourd-shaped structure, so that the locking nut 45 on the second connecting post 14 can be quickly disengaged from the first movable hole 221, which facilitates the disassembly and assembly of the first cover plate 20 and the base, improving the efficiency of fixture assembly and disassembly. In addition, by setting a second slot, the welding fluid can flow into the radiator in a replaceable manner during the welding of the fixture, thereby improving the welding quality of the radiator.
[0048] Preferably, the second cover plate 30 has two outwardly extending vertically extending second baffles 31 on both sides. Through the coordinated cooperation between the second baffles and the second limiting plate 60, the two ends of the second fin portion 72 can be better limited, avoiding the phenomenon of excessive edge during fin welding. The second baffles 31 have multiple sets of third slots. A third connecting post 15 is provided between the second cover plate 30 and the base plate 10. The second cover plate 30 has a second locking hole 32 that locks with the third connecting post 15. A second movable hole 321 is provided on one side of the second locking hole 32, and the diameter of the second movable hole 321 is larger than the diameter of the second locking hole 32. The second movable hole 321 and the second locking hole 32 form a gourd-shaped structure, so that the locking nut 45 on the third connecting post 15 can be quickly disengaged from the second movable hole, so as to facilitate the disassembly and assembly of the second cover plate 30 and the base, and improve the disassembly and assembly efficiency of the fixture. In addition, by setting a third slot, the welding fluid can flow into the radiator in a replaceable manner during the welding of the fixture, thereby improving the welding quality of the radiator.
[0049] Preferably, the pad 11 has a support portion 111 for supporting the heat pipe 73 on the side near the second cover plate 30. The support portion 111 has multiple sets of equally spaced limiting portions 112. By providing the support portion 111, the heat pipe 73 is supported, allowing the heat pipe 73 to be better fixed to the first fin portion 71. Furthermore, by providing the limiting portions 112, a certain distance is maintained between each set of heat pipes 73, thereby improving the welding quality of the heat sink.
[0050] Preferably, the first cover plate 20, the second cover plate 30, the pad block 11, and the base plate 10 are all provided with multiple sets of regularly or irregularly distributed fourth slots. By providing the fourth slots, the welding liquid can flow into the radiator in a replaceable manner during the welding of the fixture, thereby improving the welding quality of the radiator.
[0051] The above are merely preferred embodiments of the present utility model, and only specifically describe the technical principles of the present utility model. These descriptions are only for explaining the principles of the present utility model and should not be construed as limiting the scope of protection of the present utility model in any way. Based on this explanation, any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model, as well as other specific embodiments of the present utility model that can be conceived by those skilled in the art without creative effort, should be included within the scope of protection of the present utility model.
Claims
1. A jig for assembling and molding a radiator, characterized in that, include: The base plate is provided with pads for elevating the fins; A first cover plate is detachably connected to the base plate and is located above the pad; a locking assembly for limiting and fixing the fins on both sides is provided between the first cover plate and the base plate; The second cover plate is detachably connected to the base plate and is located on one side of the first cover plate; The first limiting plate is disposed between the bottom plate and the first cover plate and is used to limit the outer end of the fin; The second limiting plate is disposed between the bottom plate and the first cover plate and is used to limit the outer end of the fin on the other side.
2. The assembly and molding fixture for a radiator according to claim 1, characterized in that, The locking components are configured in two sets, symmetrically distributed at both ends of the pad block; each locking component includes a movable block and a first limiting block; the movable block is movably mounted on the base plate, and a vertically mounted upright plate is provided on the movable block; a second limiting block is provided between the upright plate and the movable block; the first limiting block is located at the bottom end of the first cover plate and is opposite to the second limiting block; when the first cover plate is locked to the base plate, the first limiting block and the second limiting block abut against each other, and the upright plates on both sides of the pad block limit and fix the fins on both sides.
3. The assembly and molding fixture for a radiator according to claim 2, characterized in that, The first limiting block has a first inclined surface on its inner side; the second limiting block has a second inclined surface on one side corresponding to the first inclined surface; when the first limiting block is in contact with the second limiting block, the first inclined surface and the second inclined surface coincide.
4. The assembly and molding fixture for a radiator according to claim 3, characterized in that, A locking nut is provided between the movable block and the base plate; an adjustment groove is provided between the movable block and the locking nut; and multiple sets of first slots are provided on the upright plate.
5. The assembly and molding fixture for a radiator according to claim 1, characterized in that, The bottom end of the first limiting plate is provided with an outwardly vertically extending insertion part; an insertion hole is provided between the insertion part and the bottom plate, and the insertion part can be inserted into or detached from the insertion hole; the two sides of the first limiting plate are provided with outwardly horizontally extending first connecting parts; a first connecting post is provided between the first connecting part and the bottom plate, and the top of the first connecting post is provided with a first fixing part that is tightly connected to the first connecting part.
6. The assembly and molding fixture for a radiator according to claim 1, characterized in that, A second fixing part is provided between the second limiting plate and the base plate; the bottom end of the second limiting plate is provided with a connecting groove that is tightly connected to the second fixing part.
7. The assembly and molding fixture for a radiator according to claim 1, characterized in that, The first cover plate has two sets of outwardly extending vertical first baffles on the side away from the first limiting plate; the two sets of first baffles are symmetrically arranged at the bottom end of the first cover plate, and the first baffles have multiple sets of second slots; a second connecting post is provided between the first cover plate and the bottom plate, and the first cover plate has a first locking hole that locks with the second connecting post. A first movable hole is provided on one side of the first locking hole, and the diameter of the first movable hole is larger than the diameter of the first locking hole.
8. The assembly and molding fixture for a radiator according to claim 1, characterized in that, The second cover plate has two outwardly extending second baffles on both sides; the second baffles have multiple sets of third slots; a third connecting post is provided between the second cover plate and the bottom plate; the second cover plate has a second locking hole that locks with the third connecting post; a second movable hole is provided on one side of the second locking hole, and the diameter of the second movable hole is larger than the diameter of the second locking hole.
9. The assembly and molding fixture for a radiator according to claim 1, characterized in that, The pad block has a support part for supporting the heat pipe on the side near the second cover plate; the support part has multiple sets of equally spaced limiting parts.
10. The assembly and molding fixture for a radiator according to any one of claims 1-9, characterized in that, The first cover plate, the second cover plate, the pad block, and the bottom plate are all provided with multiple sets of regularly or irregularly distributed fourth slots.