Pressing fixture for O-rings on radiators

Abstract

This utility model discloses a pressing fixture for O-rings on a radiator, including an elastic base and an upper pressing component mounted on a stamping machine. The elastic base includes a base body, an elastic component, and a guide component. One end of the guide component is adapted to the O-ring. The upper pressing component includes an upper pressure plate and a pressure rod. This utility model, by setting an elastic base and an upper pressing component that match the stamping machine, and by providing the elastic component and guide component on the elastic base, and by providing a stepped shaft adapted to the screw and a guide sleeve adapted to the O-ring on the guide component, allows all the screws on the radiator to be simultaneously pushed into the O-ring one by one through the upper pressing component. Furthermore, the elastic base can automatically reset after one pressing, enabling efficient and rapid continuous pressing production with low assembly costs.

Description

Technical Field

[0001] This utility model relates to the field of pressing fixture technology, and in particular to a pressing fixture for pressing O-rings on radiators. Background Technology

[0002] In manufacturing, to ensure continuous and normal operation of chips, heat sinks are typically added to improve heat dissipation efficiency. To secure the heat sink, positioning structures are also required. Currently, various positioning structures exist for heat sinks. The spring-and-screw combination is widely used due to its ease of assembly and disassembly and applicability to most different chip sizes. However, this type of positioning structure requires positioning clips on the heat sink to engage with the springs and tighten the screws. During assembly, these clips are mostly fixed manually, resulting in high assembly costs and difficulty in improving assembly efficiency. Utility Model Content

[0003] To address the problems existing in the prior art, this utility model provides a pressing fixture for O-rings on radiators. By setting an elastic base and an upper pressing component that match the stamping equipment, and setting an elastic component and a guide component on the elastic base, and setting a stepped shaft adapted to the screw and a guide sleeve adapted to the O-ring on the guide component, all the screws on the radiator can be pushed into the O-ring one by one synchronously through the upper pressing component. Moreover, the elastic base can automatically reset after one pressing, so that subsequent continuous pressing production is efficient and fast, and the assembly cost is low.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0005] A pressing fixture for O-rings on a radiator, the radiator including a base plate and several heat dissipation fins on the same side thereon, the base plate having several sets of positioning structures, each set of positioning structures including a screw and a spring sleeved thereon; the pressing fixture including an elastic base and an upper pressing component capable of respectively matching and mounting on the worktable of a stamping equipment and the pressing mechanism, wherein:

[0006] The elastic base includes a base body adapted to the worktable. The base body is provided with several sets of matching elastic components and guide components extending along the pressing direction. Each elastic component is installed in the base body. One end of each guide component is connected to an elastic component, and the other end extends to the outside of the base body and can be matched and pass through an O-ring. Each guide component is matched and located directly below a positioning structure on the base plate, and its upper end is adapted to the lower end of a screw.

[0007] The upper pressing component includes an upper pressing plate adapted to the pressing mechanism. The lower end of the upper pressing plate is provided with a plurality of pressing rods extending along the pressing direction. Each pressing rod is matched and disposed directly above a guide component, and its lower end is adapted to the upper end of a screw.

[0008] The stamping equipment can drive the upper pressing component to move toward the radiator placed on the elastic base, so as to push the screw on each set of positioning structures on the radiator through the base plate by a plurality of the pressing rods, so as to push the guide component into the elastic base and simultaneously sleeve the plurality of O-rings on the lower end of the screw one by one.

[0009] As a further explanation of the above technical solution:

[0010] In the above technical solution, each of the guide components includes a stepped shaft extending along the pressing direction, the largest end of which is connected to the elastic component in a transmission manner, the middle part of which is slidably connected to the base body, and the smallest end of which extends to the outside of the base body and is adapted to the inner diameter of the O-ring.

[0011] In the above technical solution, each of the guide components further includes a guide sleeve sleeved around the middle part of the stepped shaft. Each guide sleeve is embedded on the base body, and its end facing the upper pressing component is provided with a limiting groove that matches the O-ring.

[0012] In the above technical solution, the screw is a T-shaped structure, with its larger outer diameter end adapted to the pressure rod, and the spring sleeved around its smaller end. The outer wall of its smaller end is provided with a groove adapted to the inner wall of the O-ring, and the axis of its smaller end is provided with an axially extending first limiting hole adapted to the smallest end of the stepped shaft. The depth of each first limiting hole is greater than the length of each smallest end of the stepped shaft.

[0013] In the above technical solution, each of the pressure rods is a cylindrical structure, and its upper end is detachably fixed to the pressure plate. Its lower end is provided with a second limiting hole that matches the maximum end of the screw. The depth of each second limiting hole is greater than the length of the maximum end of each screw.

[0014] In the above technical solution, the base body includes a positioning plate and a guide plate. The positioning plate is adapted to the workbench and has a plurality of pins extending along the pressing direction. The guide plate is mounted on the plurality of pins. The upper end of the positioning plate has a plurality of blind holes that are adapted to the elastic components. The guide plate has through holes that are adapted to the guide components. The side walls of the guide plate and / or the positioning plate have horizontally extending handles.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: by setting an elastic base and an upper pressing component that match the stamping equipment, and setting an elastic component and a guide component on the elastic base, and setting a stepped shaft adapted to the screw and a guide sleeve adapted to the O-ring on the guide component, all the screws on the heat sink can be pushed into the O-ring one by one synchronously through the upper pressing component, and the elastic base can automatically reset after one pressing, so that subsequent continuous pressing production is efficient and fast, and the assembly cost is low. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the heat sink in this embodiment;

[0017] Figure 2 yes Figure 1 Enlarged view of section A;

[0018] Figure 3 This is a structural schematic diagram of this embodiment;

[0019] Figure 4 This is an exploded structural diagram of this embodiment;

[0020] Figure 5 This is a schematic diagram of the assembly structure of the pressure rod, screw, and guide component in this embodiment.

[0021] In the diagram: 10. Radiator; 11. Base plate; 12. Heat dissipation fins; 13. Screw; 14. Spring; 20. Elastic base; 21. Base body; 22. Elastic component; 23. Guide component; 24. Handle; 30. Upper pressing component; 31. Upper pressure plate; 32. Pressure rod; 40. O-ring; 1. Stepped shaft; 2. Guide sleeve; 3. Limiting groove; 4. First limiting hole; 5. Second limiting hole; 6. Positioning plate; 7. Guide plate; 8. Pin; 9. Blind hole; 15. Slot; 16. Cantilever. Detailed Implementation

[0022] The present invention will now be described in further detail with reference to the accompanying drawings.

[0023] The embodiments described with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application. In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, 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, and therefore should not be construed as limiting this application. 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 indicated technical features. 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, "several" or "more than" means two or more, unless otherwise explicitly specified. In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances. In this application, unless otherwise expressly specified and limited, "above" or "below" a second feature can include direct contact between the first and second features, or it can include contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of a second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" of a second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0024] For ease of understanding, Figure 1-2 The structure of the radiator in this embodiment is shown. The radiator 10 includes a base plate 11 and several heat dissipation fins 12 disposed on the same side thereon. Several sets of positioning structures are provided on the base plate 11. Each set of positioning structures includes a screw 13 and a spring 14 sleeved thereon. The purpose of this utility model is to install an O-ring 40 on the end of each screw 13 away from the heat dissipation fin 12, so that it is pulled against the base plate 11 by the screw 13 under the rebound force of the spring 14.

[0025] like Figure 3As shown, the pressing fixture for the O-ring on the radiator includes an elastic base 20 and an upper pressing component 30 that can be respectively matched and installed on the worktable of the stamping equipment and the pressing mechanism.

[0026] like Figure 3-4 As shown, the elastic base 20 includes a base body 21 adapted to the worktable. The base body 21 has several sets of matching elastic components 22 and guide components 23 extending along the pressing direction. Each elastic component 22 is installed inside the base body 21. One end of each guide component 23 is connected to an elastic component 22, and the other end extends to the outside of the base body 20 and can pass through an O-ring 40. Each guide component 23 is positioned directly below a positioning structure on the base plate 11, and its upper end is adapted to the lower end of a screw 13. The upper pressing component 30 includes an upper pressing plate 31 adapted to the pressing mechanism. The lower end of the upper pressing plate 31 has several pressing rods 32 extending along the pressing direction. Each pressing rod 32 is positioned directly above a guide component 23, and its lower end is adapted to the upper end of a screw 13.

[0027] like Figure 4 As shown, in this embodiment, each guide component 23 includes a stepped shaft 1 extending along the pressing direction. The end with the largest outer diameter is connected to the elastic component 22, the middle part is slidably connected to the base body 21, and the end with the smallest outer diameter extends to the outside of the base body 21 and is adapted to the inner diameter of the O-ring 40. Each guide component 23 also includes a guide sleeve 2 sleeved around the middle periphery of the stepped shaft 1. Each guide sleeve 2 is embedded in the base body 21, and its end facing the pressing component 30 is provided with a limiting groove 3 adapted to the O-ring 40. The base body 21 includes a positioning plate 6 and a guide plate 7. The positioning plate 6 is adapted to the worktable and is provided with a plurality of pins 8 extending along the pressing direction. The guide plate 7 is mounted on the plurality of pins 8. The upper end of the positioning plate 6 is provided with a plurality of blind holes 9 adapted to the elastic component 22. The guide plate 7 is provided with through holes adapted to the guide component 22. The side wall of the guide plate 7 and / or the positioning plate 6 is provided with a horizontally extending handle 24.

[0028] like Figure 5 As shown, in this embodiment, each pressure rod 32 is a cylindrical structure, and its upper end is detachably fixed to the pressure plate 31. The lower end of each rod is provided with a second limiting hole 5 that matches the maximum end of the screw 13. The depth of each second limiting hole 5 is greater than the length of the maximum end of each screw 13. The screw 13 is a T-shaped structure. Its larger outer diameter end matches the pressure rod 32, and the smaller end is surrounded by the spring 14. The outer wall of the smaller end is provided with a groove 15 that matches the inner wall of the O-ring 40, and its axis is provided with an axially extending first limiting hole 4 that matches the minimum end of the stepped shaft 1. The depth of each first limiting hole 4 is greater than the length of the minimum end of each stepped shaft 1. Several radially extending cantilever 16 are arranged circumferentially on the inner wall of the O-ring 40.

[0029] At work, such as Figure 4-5 As shown, first, push the handle 24 to push the elastic base 20 onto the worktable of the stamping equipment. Place an O-ring 40 in the upper limit groove 3 of each guide sleeve 2, and fix the upper pressing component 30 to the pressing mechanism on the upper part of the stamping equipment. After completion, start the stamping equipment. The upper pressing component 30 moves toward the radiator 10 placed on the elastic base 20, so that the screws 13 on each set of positioning structures on the radiator 10 are pushed through the base plate 11 by several pressure rods 32. This pushes the stepped shaft 1 in the guide component 23 to move down, squeezing the elastic component 22 and pushing it into the elastic base 21. The O-rings 40 are blocked by the guide sleeve 2 and locked into the slot 15 at the end of the screw 13. After completion, the stamping equipment is reset. The elastic component 22 pushes the stepped shaft 1 to move up and reset. The stepped shaft 1 and the spring 14 push the screw 12 to reset. The radiator 10 can then be directly removed from the base body 21.

[0030] This utility model sets up an elastic base 20 and an upper pressing component 30 that match the stamping equipment. The elastic base 20 is provided with an elastic component 22 and a guide component 23. The guide component 23 is provided with a stepped shaft 1 that matches the screw and a guide sleeve 2 that matches the O-ring. All the screws 13 on the heat sink 10 can be pushed into the O-ring 40 one by one through the upper pressing component 30. The elastic base 20 can automatically reset after one pressing, so that subsequent continuous pressing production is efficient and fast, and the assembly cost is low.

[0031] The above does not limit the technical scope of this utility model. Any modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of this utility model shall still fall within the scope of the technical solution of this utility model.

Claims

1. An O-ring pressing jig for a heat sink, the heat sink comprising a base plate and a plurality of heat dissipation fins arranged on the same side of the base plate, the base plate being provided with a plurality of sets of positioning structures, each set of the positioning structures comprising a screw rod and a spring sleeved thereon; characterized in that, The pressing fixture includes an elastic base and an upper pressing component that can be respectively matched and installed on the worktable of the stamping equipment and the pressing mechanism, wherein: The elastic base includes a base body adapted to the worktable. The base body is provided with several sets of matching elastic components and guide components extending along the pressing direction. Each elastic component is installed in the base body. One end of each guide component is connected to an elastic component, and the other end extends to the outside of the base body and can be matched and pass through an O-ring. Each guide component is matched and located directly below a positioning structure on the base plate, and its upper end is adapted to the lower end of a screw. The upper pressing component includes an upper pressing plate adapted to the pressing mechanism. The lower end of the upper pressing plate is provided with a plurality of pressing rods extending along the pressing direction. Each pressing rod is matched and disposed directly above a guide component, and its lower end is adapted to the upper end of a screw. The stamping equipment can drive the upper pressing component to move toward the radiator placed on the elastic base, so as to push the screw on each set of positioning structures on the radiator through the base plate by a plurality of the pressing rods, so as to push the guide component into the elastic base and simultaneously sleeve the plurality of O-rings on the lower end of the screw one by one.

2. The pressing fixture for the O-ring on the radiator according to claim 1, characterized in that, Each of the guide components includes a stepped shaft extending along the pressing direction, the largest end of which is drively connected to the elastic component, the middle part of which is slidably connected to the base body, and the smallest end of which extends to the outside of the base body and is adapted to the inner diameter of the O-ring.

3. The pressing fixture for the O-ring on the radiator according to claim 2, characterized in that, Each of the guide components also includes a guide sleeve sleeved around the middle periphery of the stepped shaft. Each guide sleeve is embedded in the base body, and its end facing the upper pressing component is provided with a limiting groove that matches the O-ring.

4. The pressing fixture for the O-ring on the radiator according to claim 2, characterized in that, The screw has a T-shaped structure. Its large outer diameter end is adapted to the pressure rod, and the spring is sleeved around its small end. The outer wall of its small end is provided with a groove adapted to the inner wall of the O-ring. The small end is provided with an axially extending first limiting hole that is adapted to the smallest end of the stepped shaft. The depth of each first limiting hole is greater than the length of each smallest end of the stepped shaft.

5. The pressing fixture for the O-ring on the radiator according to claim 4, characterized in that, Each of the pressure rods is a cylindrical structure, with its upper end detachably fixed to the pressure plate, and its lower end axially provided with a second limiting hole adapted to the maximum end of the screw. The depth of each second limiting hole is greater than the length of the maximum end of each screw.

6. The pressing fixture for O-rings on a radiator according to any one of claims 1-5, characterized in that, The base body includes a positioning plate and a guide plate. The positioning plate is adapted to the workbench and has a plurality of pins extending along the pressing direction. The guide plate is mounted on the plurality of pins. The upper end of the positioning plate has a plurality of blind holes that are adapted to the elastic components. The guide plate has through holes that are adapted to the guide components. The side walls of the guide plate and / or the positioning plate have horizontally extending handles.

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