PCB triode radiator positioning and assembling jig

By designing a PCB transistor radiator positioning and assembly fixture including threaded sleeve, fixing plate, base, follower block and drive components, the problem of positioning position cannot be changed at will in the prior art, and the radiator is realized Flexible positioning and efficient assembly.

CN222485109UActive Publication Date: 2025-02-14WUXI GESHENG ELECTRONIC TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202420780519.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-16
Publication Date
2025-02-14
Estimated Expiration
2034-04-16

AI Technical Summary

Technical Problem

The existing PCB transistor radiator positioning and assembly fixture cannot be changed at will in the positioning position, which limits the assembly flexibility of the radiator.

Method used

A positioning and assembly fixture including workbench, fixing module, threaded sleeve, fixing plate, base, follower block, fixing head, drive assembly and other structures is designed. The positioning is achieved through the cooperation of the threaded rod and the connecting block. Flexible position adjustment.

Benefits of technology

It realizes flexible adjustment of the radiator during positioning, solves the problem of fixed positioning position, and improves assembly efficiency and product quality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222485109U_ABST
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Abstract

The utility model discloses a PCB triode radiator positioning and assembling jig which comprises a workbench, a plurality of positioning holes are formed in the workbench, a jig module is detachably connected to the top of the workbench, two threaded sleeves are connected to the interior of the workbench in a threaded mode, a fixing plate is fixedly connected to the tops of the threaded sleeves, and the fixing plate is fixedly connected to the top of the workbench. Two bases are fixedly connected to the top of the fixing plate, a first rotating shaft is rotatably connected to the interior of each base, a follow-up block is fixedly connected to the exterior of each first rotating shaft, a fixing head is fixedly connected to one side of the exterior of each follow-up block, and a driving assembly is arranged in each threaded sleeve. The two sides of the interior of the driving assembly are rotationally connected with second rotating shafts, and the interior of the H-shaped block is rotationally connected with a third rotating shaft. According to the utility model, the threaded rod I rotates in the threaded sleeve to interfere with the connecting block at the top, so that the structures at the two sides are pressed down to move.
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Description

Technical Field

[0001] The present application relates to the technical field of transistor heat sink processing, and in particular to a PCB transistor heat sink positioning and assembly fixture. Background Art

[0002] PCB transistor heat sink positioning assembly jig is a special tooling used to help install transistor heat sinks on circuit boards. It usually includes a workbench and multiple positioning components. These positioning components can ensure that the transistor heat sink is correctly positioned on the PCB for subsequent welding or fixing operations. This jig is usually designed to be adjustable to accommodate PCBs and heat sinks of different sizes or shapes. By using this special jig, operators can install the heat sink on the PCB more conveniently and quickly, improving production efficiency and product quality.

[0003] After searching: Chinese patent publication number: CN218137661U, it relates to the field of auxiliary jig technology, and discloses a positioning jig used for assembling transistors and radiators, including: a base, an upper cover plate and a hinge. The base is provided with a first positioning groove for placing and positioning the radiator, and a positioning structure for positioning the upper cover plate. The upper cover plate is located above the base and is positioned with the base through the positioning structure. The upper cover plate is provided with a second positioning groove for positioning transistor components, and the first positioning groove and the second positioning groove are arranged one by one. The hinge is fixedly connected to the base and the upper cover plate respectively, and the upper cover plate is rotatably connected to the base through the hinge. This application further improves the positioning accuracy of the transistor components and the radiator when the transistor and the radiator are assembled through the accurate positioning of the first positioning groove and the second positioning groove. In addition, the upper cover plate and the base are rotatably connected through a hinge to facilitate the assembly operation.

[0004] With respect to the above-mentioned related technologies, the inventor believes that the above-mentioned patent embodiment records that "the boss plate 120 is fixed to the base plate 110 by means of screws or glue, and the first positioning groove 121 may be through the boss plate 120 to the upper surface of the base plate 110, or may not be through the base plate 110. In addition, the side wall of the boss plate 120 is provided with an opening 122 that passes through the first positioning groove 121". The heat sink or the assembled transistor as a whole can be quickly taken in and out through the opening 122, but the positioning position is restricted and cannot be moved arbitrarily. Therefore, in view of the above-mentioned deficiencies, a new PCB transistor heat sink positioning and assembly fixture is now proposed. Summary of the invention

[0005] The purpose of the present application is to provide a PCB transistor heat sink positioning and assembly fixture to improve the problem that the positioning position cannot be changed arbitrarily during the heat sink positioning and assembly process.

[0006] The present application provides a PCB transistor heat sink positioning and assembly fixture that adopts the following technical solutions:

[0007] A positioning and assembly fixture for a PCB transistor heat sink comprises a workbench, the workbench is provided with a plurality of positioning holes, a fixture module is detachably connected to the top of the workbench, two threaded sleeves are connected to the internal threads of the workbench, a fixing plate is fixedly connected to the top of the fixing plate, two bases are fixedly connected to the top of the fixing plate, a rotating shaft 1 is rotatably connected to the inside of the base, a follower block is fixedly connected to the outside of the rotating shaft 1, a fixed head is fixedly connected to the outside of the follower block, a driving component is arranged inside the threaded sleeve, both sides of the inside of the driving component are rotatably connected to the rotating shaft 2, the rotating shaft 2 is rotatably connected to the outside of an H-shaped block, and the H-shaped block is rotatably connected to the rotating shaft 3.

[0008] By adopting the above technical solution, objects can be freely positioned at different locations.

[0009] Optionally, the drive assembly includes a threaded rod 1 and a connecting block, wherein the external thread of the threaded rod 1 is connected to the inside of the threaded sleeve, the bottom of the connecting block is rotatably connected to the top of the threaded sleeve, and the external ends of the two rotating shafts 2 are rotatably connected to the inside of the connecting block.

[0010] By adopting the above technical solution, power is provided for fixing the clamping mechanism.

[0011] Optionally, a rotating rod is fixedly connected to the inside of the workbench, and two limit plates 1 are rotatably connected to the outside of the rotating rod, and the bottoms of the two limit plates 1 are fixedly connected to a bottom plate.

[0012] By adopting the above technical solution, the workbench can be easily rotated on the top of the bottom plate.

[0013] Optionally, two limiting plates 2 are fixedly connected to the top of the bottom plate, a threaded rod 2 is rotatably connected inside the limiting plate 2, and a handle is fixedly connected to one side of the outside of the threaded rod 2.

[0014] By adopting the above technical solution, power is provided for the rotation of the device.

[0015] Optionally, the external thread of the threaded rod 2 is connected to a threaded tube, the top of the threaded tube is fixedly connected to a fixed block, the interior of the fixed block is rotatably connected to a rotating shaft 4, and the exterior of the rotating shaft 4 is fixedly connected to a rotating plate.

[0016] By adopting the above technical solution, a base point for rotation is provided.

[0017] Optionally, the interior of the rotating plate is rotatably connected to the interior of the workbench.

[0018] By adopting the above technical solution, the workbench can be supported.

[0019] Optionally, the external thread of the threaded sleeve is connected to the inner wall of the positioning hole, and the outside of the fixing head is in contact with the outside of the fixture module.

[0020] By adopting the above technical solution, objects can be easily fixed.

[0021] In summary, the present application includes at least one of the following beneficial technical effects:

[0022] 1. In the utility model, with the coordinated use of structures such as the follower block, the fixed head, the threaded rod, and the connecting block, the device can be used so that the threaded rod rotates inside the threaded sleeve to interfere with the top connecting block, so that the structures on both sides are pressed downward, thereby fixing the objects on the side on the workbench, solving the problem that the positioning position of the radiator cannot be changed at will during the positioning and assembly process.

[0023] 2. In the utility model, with the coordinated use of the limit plate 2, the threaded rod 2, the threaded tube, the rotating shaft 4 and other structures, the device can be used in the process of use. By turning the handle, the threaded tube drives the rotating plate to move so that the workbench can adjust the working angle, which solves the problem that the angle of some devices cannot be adjusted during processing, affecting the assembly process. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional diagram of the PCB triode heat sink positioning and assembly fixture proposed by the utility model.

[0025] Figure 2 The utility model discloses a bottom plate structure diagram of a PCB triode heat sink positioning and assembly fixture.

[0026] Figure 3 for Figure 2 Enlarged view of point A in the middle.

[0027] Figure 4 The utility model discloses a fixing plate structure diagram of a PCB triode heat sink positioning and assembly fixture.

[0028] In the figure, 1. workbench; 2. positioning hole; 3. fixture module; 4. threaded sleeve; 5. fixed plate; 6. base; 7. rotating shaft one; 8. follower block; 9. fixed head; 10. threaded rod one; 11. connecting block; 12. rotating shaft two; 13. H-block; 14. rotating shaft three; 15. rotating rod; 16. limit plate one; 17. bottom plate; 18. limit plate two; 19. threaded rod two; 20. handle; 21. threaded tube; 22. fixed block; 23. rotating shaft four; 24. rotating plate. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1 - Attachment Figure 4 , further details of this application are given.

[0030] Reference Figure 1 and Figure 4 The utility model provides an embodiment: a PCB transistor heat sink positioning and assembly fixture, including a workbench 1, a plane for processing, the workbench 1 is provided with a plurality of positioning holes 2, the top of the workbench 1 is detachably connected with a fixture module 3, the internal thread connection of the workbench 1 is connected to two threaded sleeves 4, the top of the threaded sleeve 4 is fixedly connected to a fixing plate 5, the top of the fixing plate 5 is fixedly connected to two bases 6, the internal rotation connection of the base 6 is connected to a rotating shaft 7, the external fixed connection of the rotating shaft 7 is connected to a follower block 8, and the external side of the follower block 8 is fixedly connected to A fixed head 9 is connected, and a driving assembly is arranged inside the threaded sleeve 4 to provide power for the fastening of the device. The driving assembly includes a threaded rod 10 and a connecting block 11. The external thread of the threaded rod 10 is connected to the inside of the threaded sleeve 4, the bottom of the connecting block 11 is rotatably connected to the top of the threaded sleeve 4, the external parts of the two rotating shafts 12 are rotatably connected to the inside of the connecting block 11, the internal sides of the driving assembly are rotatably connected to the rotating shaft 12, the external part of the rotating shaft 12 is rotatably connected to the H-block 13, and the internal part of the H-block 13 is rotatably connected to the rotating shaft 3 14.

[0031] like Figure 1 , Figure 2 , Figure 3 As shown: the working table 1 is internally fixedly connected with a rotating rod 15, the rotating rod 15 is externally rotatably connected with two limit plates 16, the bottoms of the two limit plates 16 are fixedly connected with a bottom plate 17, the top of the bottom plate 17 is fixedly connected with two limit plates 2 18, the internal rotatable connection of the limit plates 2 18 is connected with a threaded rod 2 19, the external side of the threaded rod 2 19 is fixedly connected with a handle 20, the external threaded connection of the threaded rod 2 19 is connected with a threaded tube 21, the top of the threaded tube 21 is fixedly connected with a fixed block 22, the internal rotatable connection of the fixed block 22 is connected with a rotating shaft 4 23, and the external fixed connection of the rotating shaft 4 23 is connected with a rotating plate 24.

[0032] Compared with some existing technologies, the above content can interfere with the top connecting block 11 by rotating the threaded rod 10 inside the threaded sleeve 4, so that the structures on both sides are pressed downward, thereby fixing the objects on the side on the workbench 1, and the threaded tube 21 drives the rotating plate 24 to move by rotating the handle 20 so that the workbench 1 can adjust the working angle, which solves the problem that the positioning position cannot be changed at will during the positioning and assembly process of the radiator and the angle cannot be adjusted during the processing, affecting the assembly process.

[0033] The implementation principle of the embodiment of the present application is:

[0034] First, the staff placed the PCB transistor radiator on the workbench 1 and ensured its accurate positioning through multiple positioning holes 2. Subsequently, the staff connected the fixture module 3 to the top of the workbench 1 to ensure the stable support of the PCB transistor radiator. The threaded sleeve 4 is connected to the workbench 1 through internal threads, and the fixed plate 5 is fixedly connected to the top of the threaded sleeve 4, and provides additional support through two bases 6. The rotating shaft 17 of the base 6 is internally rotatably connected and externally fixedly connected to the follower block 8, further strengthening the support structure. The drive assembly consists of a threaded rod 10 and a connecting block 11, wherein the threaded rod 10 is connected to the inside of the threaded sleeve 4 through external threads, and the bottom of the connecting block 11 is rotatably connected to the top of the threaded sleeve 4. At the same time, two rotating shafts 2 12 pass through the inside of the external connecting block 11, and the rotating shaft 2 12 is connected to the H-block 13, and is further connected through the rotating shaft 3 14. The rotating rod 15 is fixedly connected to the inside of the workbench 1, and is externally connected to two limit plates 1 16, the bottom is connected to the bottom plate 17, and the top is connected to two limit plates 2 18. The threaded rod 19 is connected to the handle 20 externally, the limit plate 18 internally, and the fixed block 22 through the threaded tube 21. The fixed block 22 is internally connected to the rotating shaft 23 and externally connected to the rotating plate 24. Overall, the workflow ensures the accurate positioning and stable support of the PCB transistor heat sink during the assembly process through these connection and fixing structures, thereby improving assembly efficiency and product quality.

[0035] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A PCB transistor heat sink positioning and assembly fixture, comprising a workbench (1), characterized in that: The workbench (1) is provided with a plurality of positioning holes (2); the top of the workbench (1) is detachably connected to a fixture module (3); the internal thread of the workbench (1) is connected to two threaded sleeves (4); the top of the threaded sleeve (4) is fixedly connected to a fixing plate (5); the top of the fixing plate (5) is fixedly connected to two bases (6); the inside of the base (6) is rotatably connected to a rotating shaft 1 (7); the outside of the rotating shaft 1 (7) is fixedly connected to a follower block (8); the outside of the follower block (8) is fixedly connected to a fixed head (9); a driving assembly is arranged inside the threaded sleeve (4); both sides of the inside of the driving assembly are rotatably connected to a rotating shaft 2 (12); the outside of the rotating shaft 2 (12) is rotatably connected to an H-shaped block (13); the inside of the H-shaped block (13) is rotatably connected to a rotating shaft 3 (14).

2. The PCB transistor heat sink positioning and assembly fixture according to claim 1, characterized in that: The driving assembly comprises a threaded rod (10) and a connecting block (11), wherein the outer thread of the threaded rod (10) is connected to the inside of the threaded sleeve (4), the bottom of the connecting block (11) is rotatably connected to the top of the threaded sleeve (4), and the outer parts of the two rotating shafts (12) are rotatably connected to the inside of the connecting block (11).

3. The PCB transistor heat sink positioning and assembly fixture according to claim 1, characterized in that: The workbench (1) is fixedly connected to a rotating rod (15) inside, and the rotating rod (15) is rotatably connected to two limit plates (16) outside, and the bottoms of the two limit plates (16) are fixedly connected to a bottom plate (17).

4. The PCB transistor heat sink positioning and assembly fixture according to claim 3, characterized in that: The top of the bottom plate (17) is fixedly connected to two second limiting plates (18), the interior of the second limiting plates (18) is rotatably connected to a second threaded rod (19), and the outer side of the second threaded rod (19) is fixedly connected to a handle (20).

5. The PCB transistor heat sink positioning and assembly fixture according to claim 4, characterized in that: The external thread of the threaded rod 2 (19) is connected to a threaded tube (21), the top of the threaded tube (21) is fixedly connected to a fixed block (22), the interior of the fixed block (22) is rotatably connected to a rotating shaft 4 (23), and the exterior of the rotating shaft 4 (23) is fixedly connected to a rotating plate (24).

6. The PCB transistor heat sink positioning and assembly fixture according to claim 5, characterized in that: The interior of the rotating plate (24) is rotatably connected to the interior of the workbench (1).

7. The PCB transistor heat sink positioning and assembly fixture according to claim 1, characterized in that: The external thread of the threaded sleeve (4) is connected to the inner wall of the positioning hole (2), and the outside of the fixing head (9) is in contact with the outside of the fixture module (3).

Citation Information

Patent Citations

  • Positioning jig applied to assembly of triodes and radiators

    CN218137661U