Positioning device for truncating and sealing end part of heat pipe

By designing a positioning device for cutting and sealing the ends of heat pipes, precise positioning and rapid cutting of heat pipes are achieved, solving the problems of low operational efficiency and safety hazards in the heat pipe sealing process, and improving product quality and worker safety.

CN223670555UActive Publication Date: 2025-12-16DONGGUAN TONGYE THERMAL TRANSFER TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520070934.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2025-12-16
Estimated Expiration
2035-01-13

AI Technical Summary

Technical Problem

During the heat pipe sealing process, it is difficult to achieve rapid and effective positioning and cutting, which affects operational efficiency and product quality, and also poses safety hazards to workers during the welding process.

Method used

Design a positioning device that includes a mounting bracket, a fixed base, a protective cover, an adjustment component, a sliding component, and a limit anti-detachment component. The device uses a servo motor to drive a lead screw and a clamping cylinder to achieve precise positioning and distance of the heat pipe. It uses a gripper fixture to cut the heat pipe and provides protection during welding through the protective cover.

Benefits of technology

This improved the efficiency of cutting and sealing the ends of heat pipes, ensured product quality, reduced safety risks during the welding process, and enhanced the safety of workers.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a positioning device for truncating and sealing the end part of a heat pipe, which comprises a mounting frame, a screw rod is rotationally mounted at the bottom of the mounting frame, the surface of the screw rod is movably connected with a bearing plate through a moving block, and the surface of the bearing plate is movably connected with a clamping cylinder for positioning the heat pipe through an adjusting component; the fixing seats are installed at the two ends of one side of the installation frame, a gripper jig and welding equipment are installed on the surfaces of the fixing seats through sliding assemblies correspondingly, a protective cover is movably installed on the surface of the welding equipment in an inserted mode, a positioning groove is formed in the top of the protective cover, and a connecting seat is installed at the top of the welding equipment; a limiting anti-disengaging assembly is arranged in the connecting base. According to the utility model, the position of the heat pipe can be conveniently positioned and spaced, the invalid part of the end part of the heat pipe can be quickly cut off, the operation efficiency is improved, the product quality is ensured, the heat pipe is protected in the welding process, and the injury to workers is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of heat pipe end shortening and sealing technology, specifically a positioning device for heat pipe end shortening and sealing. Background Technology

[0002] With the rapid development of electronic technology, transistor integration is increasing, and chip heat generation is growing daily, especially with problems like excessive localized heating and uneven heat distribution, which seriously affect the stability of electronic products. Therefore, new and efficient electronic heat dissipation technologies are receiving increasing attention. Heat pipe performance is limited by factors such as space, performance, and thermal conductivity; therefore, shortening the length of the ineffective end is significant for improving the overall heat dissipation efficiency of the module. However, during the process of shortening the ineffective end of the heat pipe during sealing, assembly positioning and spacing are inconvenient, making it impossible to effectively and quickly cut off the ineffective end, affecting operational efficiency and product quality. Therefore, we need to propose a positioning device for shortening and sealing the end of a heat pipe. Utility Model Content

[0003] The purpose of this invention is to provide a positioning device for cutting off and sealing the end of a heat pipe, which can conveniently position and distance the heat pipe, quickly cut off the ineffective part of the heat pipe end, improve the efficiency of operation, and ensure product quality. At the same time, it can protect the heat pipe during the welding process and reduce the harm to workers, thereby solving the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides: a positioning device for shortening and sealing the end of a heat pipe, comprising a mounting frame, a lead screw rotatably mounted on the bottom of the mounting frame, a bearing plate movably connected to the surface of the lead screw via a moving block, and a clamping cylinder for positioning the heat pipe movably connected to the surface of the bearing plate via an adjusting assembly; fixed seats mounted at both ends of one side of the mounting frame, a gripper fixture and a welding device respectively mounted on the surface of the fixed seats via sliding assemblies, a protective cover movably inserted into the surface of the welding device, a positioning groove formed on the top of the protective cover, a connecting seat mounted on the top of the welding device, and a limit anti-detachment assembly provided inside the connecting seat, the positioning pressure block of the limit anti-detachment assembly engaging with the inner wall of the positioning groove.

[0005] Preferably, the limiting and anti-detachment assembly includes: a positioning support rod rotatably connected to the top of the connecting seat, and a compression spring sleeved on the surface of the positioning support rod; wherein, the positioning block is slidably installed on the surface of the positioning support rod, and the bottom end of the compression spring is connected to the top of the positioning block.

[0006] Preferably, an adjusting sleeve is connected to the top of the positioning block, and the adjusting sleeve is disposed outside the compression spring by covering the positioning block.

[0007] Preferably, the surface of the welding device is provided with an assembly slot, one end of the protective cover is connected with an assembly plug, and the assembly plug is movably inserted into the inner wall of the assembly slot.

[0008] Preferably, the adjusting assembly comprises a servo motor mounted on the bottom of the bearing plate and a screw rod rotatably connected to the bottom of the bearing plate, wherein the output end of the servo motor is transmissionally connected to the other end of the screw rod, the surface of the screw rod is movably connected with an adjusting block, and the clamping cylinder is mounted on the top of the adjusting block.

[0009] Preferably, the sliding assembly comprises a guide rail connected to the surface of the fixed seat and a moving seat slidably connected to the surface of the guide rail, wherein one end of the fixed seat is provided with an electric push rod, the extending end of the electric push rod is connected with a connecting block, and the top of the connecting block is connected with the bottom of the moving seat.

[0010] Preferably, one end of the screw rod is connected with a driven bevel gear, one side of the mounting bracket is provided with a driving motor, and the output end of the driving motor is transmissionally connected to the surface of the driven bevel gear.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The mounting bracket, the fixed seat, the protective cover, the adjusting assembly, the sliding assembly and the limiting and anti-dropping assembly are cooperatively arranged, the heat pipe is clamped and positioned on the clamping cylinder on the top of the adjusting block, the adjusting block is driven to move by the servo motor and the screw rod, the invalid part of the end of the heat pipe passes through the other clamping cylinder, the clamping and positioning can be realized by the clamping cylinder, the screw rod is driven to rotate by the driving motor, the bearing plate is driven to move by the moving block, the heat pipe is moved to the working area of the grab head jig, the heat pipe end is cut off by the driving of the electric push rod, the heat pipe is moved to the working area of the welding device by the screw rod after the cutting, the heat pipe end is sealed, the welding part is protected by the protective cover during the welding, the operation safety of the worker is improved, the protective cover can be conveniently disassembled and replaced, and the equipment can be maintained. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of the utility model;

[0014] Figure 2 It is a mounting bracket structure schematic view of the utility model;

[0015] Figure 3 It is a bearing plate structure schematic view of the utility model;

[0016] Figure 4 It is a protective cover structure schematic view of the utility model.

[0017] In the figure: 1, mounting frame; 2, limiting groove; 3, screw rod; 4, driven bevel gear; 5, driving motor; 6, moving block; 7, bearing plate; 8, servo motor; 9, screw rod; 10, adjusting block; 11, clamping cylinder; 12, fixed seat; 13, electric push rod; 14, connecting block; 15, guide rail; 16, grab head jig; 17, moving seat; 18, welding equipment; 19, assembly slot; 20, protective cover; 21, assembly plug; 22, positioning groove; 23, positioning support; 24, compression spring; 25, positioning pressure block; 26, adjusting sleeve; 27, connecting seat. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] Please refer to Figures 1-4 The present application provides: a positioning device for heat pipe end shortening sealing, comprising a mounting frame 1, a screw rod 3 is rotatably installed at the bottom of the mounting frame 1, a bearing plate 7 is movably connected to the surface of the screw rod 3 through a moving block 6, a clamping cylinder 11 for positioning the heat pipe is movably connected to the surface of the bearing plate 7 through an adjusting assembly; a fixed seat 12 is installed at both ends of one side of the mounting frame 1, a grab head jig 16 and a welding equipment 18 are respectively installed on the surface of the fixed seat 12 through a sliding assembly, a protective cover 20 is movably inserted on the surface of the welding equipment 18, a positioning groove 22 is formed at the top of the protective cover 20, a connecting seat 27 is installed at the top of the welding equipment 18, a limiting anti-disengagement assembly is arranged in the connecting seat 27, and a positioning pressure block 25 of the limiting anti-disengagement assembly is clamped to the inner wall of the positioning groove 22.

[0020] It is worth mentioning that through the cooperation of the mounting frame 1, the fixed seat 12, the protective cover 20, the adjusting assembly, the sliding assembly and the limiting anti-disengagement assembly, the position of the heat pipe can be easily positioned and spaced, the ineffective part of the heat pipe end can be quickly cut off, the operation efficiency is improved, the heat pipe end is welded and sealed to ensure the quality of the product, and the heat pipe is protected during welding to reduce the harm to the workers.

[0021] One end of the lead screw 3 is connected with a driven bevel gear 4, one side of the mounting frame 1 is provided with a driving motor 5, and the output end of the driving motor 5 is in transmission connection with the surface of the driven bevel gear 4. The output end of the driving motor 5 is rotated to drive the driven bevel gear 4 through the bevel gear pair, so that the lead screw 3 rotates to drive the moving block 6 provided with the bearing plate 7, the bearing plate 7 can be moved to the working area of the grabbing head jig 16 and the welding equipment 18 to perform cutting and sealing treatment. The top of the mounting frame 1 is provided with a limiting groove 2, and the moving block 6 is in sliding connection with the inner wall of the limiting groove 2 and the bottom of the bearing plate 7.

[0022] Specifically, the limiting and anti-falling assembly comprises a positioning support rod 23 rotationally connected to the top of the connecting seat 27, and a compression spring 24 sleeved on the surface of the positioning support rod 23. A positioning pressing block 25 is slidingly installed on the surface of the positioning support rod 23, and the bottom end of the compression spring 24 is connected to the top of the positioning pressing block 25. The top of the positioning pressing block 25 is connected with an adjusting sleeve 26, and the adjusting sleeve 26 is arranged outside the compression spring 24 through the positioning pressing block 25. The surface of the welding equipment 18 is provided with an assembly slot 19, one end of the protective cover 20 is connected with an assembly plug 21, and the assembly plug 21 is movably inserted into the inner wall of the assembly slot 19.

[0023] Further, the connecting seat 27 limits the positioning support rod 23, the positioning support rod 23 can be detached from the top of the connecting seat 27, the positioning pressing block 25 and the compression spring 24 can be conveniently detached and replaced through the positioning support rod 23, the adjusting sleeve 26 protects the compression spring 24 and pulls the positioning pressing block 25, the compression spring 24 acts on the positioning pressing block 25 to ensure the clamping and positioning effect of the protective cover 20, the assembly slot 19 is a structure matched with the assembly plug 21, and the protective cover 20 can be conveniently inserted into the assembly slot 19.

[0024] The adjusting assembly comprises a servo motor 8 installed at the bottom of the bearing plate 7, and a screw rod 9 rotationally connected to the bottom of the bearing plate 7 at one end. The output end of the servo motor 8 is in transmission connection with the other end of the screw rod 9, the surface of the screw rod 9 is movably connected with an adjusting block 10, and a clamping air cylinder 11 is installed at the top of the adjusting block 10.

[0025] In addition, the bearing plate 7 is installed for the clamping cylinder 11, the servo motor 8 is driven for the screw rod 9, the surface of the bearing plate 7 is installed for the second clamping cylinder to clamp the heat pipe, the screw rod 9 is driven for the adjusting block 10, the clamping cylinder 11 is clamped for the heat pipe, the servo motor 8 and the screw rod 9 are distance-adjusted for the clamped heat pipe, the position of the heat pipe is stable, the end invalid position is extended, the invalid position is quickly cut off and sealed, the length of the invalid end of the conventional heat pipe is 10-15mm, and the length of the invalid end can be shortened to 2-4mm by this method, so that the effective length of the heat pipe is greatly improved.

[0026] The sliding assembly comprises a guide rail 15 connected to the surface of the fixed seat 12 and a moving seat 17 slidably connected to the surface of the guide rail 15. One end of the fixed seat 12 is provided with an electric push rod 13, the extending end of the electric push rod 13 is connected with a connecting block 14, and the top of the connecting block 14 is connected with the bottom of the moving seat 17. The fixed seat 12 is a bearing structure for assembling the grabbing head jig 16 and the welding equipment 18, the extending end of the electric push rod 13 pushes the moving seat 17 to move on the guide rail 15 through the connecting block 14, and the grabbing head jig 16 and the welding equipment 18 are moved, so that the invalid part of the heat pipe end is cut off and sealed.

[0027] The heat pipe is clamped and positioned on the clamping cylinder 11 on the top of the adjusting block 10, and the servo motor 8 drives the screw rod 9 to move the adjusting block 10, so that the invalid part of the heat pipe end passes through the other clamping cylinder 11, and the clamping distance can be adjusted by the clamping cylinder. The screw rod 3 driven by the driving motor 5 rotates to drive the moving block 6 to move the bearing plate 7, so that the heat pipe is moved to the working area of the grabbing head jig 16, and the electric push rod 13 is pushed to facilitate the grabbing head jig 16 to cut off the heat pipe end. After completion, the heat pipe is moved to the working area of the welding equipment 18 by the screw rod 3 to seal the heat pipe end, and the welding part is protected by the protective cover 20 during welding, which improves the operation safety of the workers. Moreover, by lifting and rotating the adjusting sleeve 26, the positioning block 25 is separated from the position of the positioning groove 22, the limiting effect of the protective cover 20 is released, the protective cover 20 can be easily pulled out from the inside of the assembly slot 19 for disassembly and replacement, and the equipment can be maintained. When installing, the positioning block 25 is inserted into the assembly slot 19 and the adjusting sleeve 26 is lifted and rotated, and the positioning block 25 is clamped in the positioning groove 22 under the action of the compression spring 24. By shortening the invalid end length of the heat pipe, the effective length of the heat pipe is increased, and the appearance of the heat pipe is improved.

[0028] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A positioning device for heat pipe end-truncation seals, characterized by, Include: The bottom of the mounting frame (1) is rotatably mounted with a lead screw (3), the surface of the lead screw (3) is movably connected with a bearing plate (7) through a moving block (6), the surface of the bearing plate (7) is movably connected with a clamping cylinder (11) for positioning the heat pipe through an adjusting assembly; The fixed seat (12) is mounted on both ends of one side of the mounting frame (1), the surface of the fixed seat (12) is respectively mounted with a grab head jig (16) and a welding device (18) through a sliding assembly, the surface of the welding device (18) is movably inserted with a protective cover (20), the top of the protective cover (20) is provided with a positioning groove (22), the top of the welding device (18) is provided with a connecting seat (27), the inside of the connecting seat (27) is provided with a limiting anti-off assembly, the positioning pressure block (25) of the limiting anti-off assembly is clamped on the inner wall of the positioning groove (22).

2. A positioning device for hot tube end truncation plugs as defined in claim 1, wherein: The limiting anti-off assembly comprises: The positioning support rod (23) rotatably connected to the top of the connecting seat (27), and The compression spring (24) sheathed on the surface of the positioning support rod (23); Wherein, the positioning pressure block (25) is slidably mounted on the surface of the positioning support rod (23), and the bottom end of the compression spring (24) is connected to the top of the positioning pressure block (25).

3. A positioning device for hot tube end truncation plugs as defined in claim 2, wherein: The top of the positioning pressure block (25) is connected with an adjusting sleeve (26), and the adjusting sleeve (26) is arranged outside the compression spring (24) through the positioning pressure block (25).

4. A positioning device for hot tube end truncation plugs as defined in claim 1, wherein: The surface of the welding device (18) is provided with an assembly slot (19), one end of the protective cover (20) is connected with an assembly plug (21), and the assembly plug (21) is movably inserted into the inner wall of the assembly slot (19).

5. A positioning device for hot tube end truncation plugs as defined in claim 1, wherein: The adjusting assembly comprises: The servo motor (8) mounted on the bottom of the bearing plate (7), and The screw rod (9) rotatably connected to one end of the bottom of the bearing plate (7); Wherein, the output end of the servo motor (8) is drivingly connected to the other end of the screw rod (9), the surface of the screw rod (9) is movably connected with an adjusting block (10), and the clamping cylinder (11) is mounted on the top of the adjusting block (10).

6. A positioning device for hot tube end truncation plugs as defined in claim 1, wherein: The sliding assembly comprises: The guide rail (15) connected to the surface of the fixed seat (12), and The moving seat (17) slidably connected to the surface of the guide rail (15); Wherein, one end of the fixed seat (12) is provided with an electric push rod (13), the protruding end of the electric push rod (13) is connected with a connecting block (14), and the top of the connecting block (14) is connected with the bottom of the moving seat (17).

7. A positioning device for hot tube end truncation plugs as defined in claim 1, wherein: One end of the lead screw (3) is connected with a driven bevel gear (4), one side of the mounting frame (1) is provided with a driving motor (5), and the output end of the driving motor (5) is drivingly connected to the surface of the driven bevel gear (4).