Spring assembling jig
By designing a spring assembly fixture, the automated or semi-automated assembly of the spring body and the lug bracket is realized, which solves the problems of low production efficiency and poor consistency in the existing technology, improves assembly efficiency and product quality, and is suitable for mass production.
Patent Information
- Application Number
- CN202422588624.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-22
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2035-09-22
AI Technical Summary
The assembly of the existing spring body and the lug bracket relies on manual methods, resulting in low production efficiency, poor product consistency, and unsuitability for mass production.
A spring assembly fixture has been designed, including a bottom template, a spring seat assembly, a spring spreading assembly, and a manual wrench. These components enable an automated or semi-automated assembly process, ensuring accurate positioning and engagement of the spring body and the lug bracket.
It improves assembly efficiency, ensures product consistency, reduces manual labor intensity, is suitable for mass production, and saves costs.
Smart Images

Figure CN223507075U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a spring assembly fixture. Background Technology
[0002] Springs Figure 11 and 12 As shown, it includes a spring body 50 and a hanging ear bracket 51 that is snapped onto both ends of the spring body 50. The bottom ends of the hanging ear bracket 51 are provided with hanging ear snap feet 52 for snapping onto the spring body 50. The existing spring body 50 and hanging ear bracket 51 are still assembled manually. This method is labor-intensive, has low production efficiency, is not suitable for mass production, and the consistency of the assembled products is poor. Therefore, improvements and optimizations are made. Utility Model Content
[0003] To solve the above problems, the technical problem to be solved by this utility model is to provide a spring assembly fixture.
[0004] The technical solution adopted by this utility model spring assembly fixture is characterized by a bottom template, a spring seat assembly for positioning the spring body, a spring opening assembly for opening the spring body, and a manual wrench for engaging the hanging ear bracket. The bottom template includes a bottom template body, and the spring seat assembly includes a first positioning block and a second positioning block arranged opposite to each other. Both the first positioning block and the second positioning block include a positioning block protrusion, and the positioning block protrusion is provided with a spring arc positioning groove for inserting the spring body.
[0005] The spring-opening assembly includes a fixed handle fixed to the bottom template, a spring-opening handle swayably mounted on the fixed handle via a first positioning pin, and a spring cotter pin. The spring cotter pin includes a cotter pin post, the front end of which is provided with a cotter pin wedge-shaped plug that inserts into the spring body and opens the spring body. The spring-opening handle includes an opening handle pressing block, the side of which is provided with a pressing block arc protrusion for driving the cotter pin post to move horizontally. The fixed handle includes a handle main seat, the handle main seat is provided with a swing limiting groove for swing limiting of the opening handle pressing block and a cotter pin guide block, the cotter pin guide block is provided with a cotter pin action hole for the cotter pin post to pass through.
[0006] The manual wrench includes a wrench cylindrical seat and a wrench handle provided at both ends of the wrench cylindrical seat. The wrench cylindrical seat is provided with a cylindrical seat docking groove covering the upper end of the spring body and a hook ear limiting port communicating with the cylindrical seat docking groove for limiting the hook ear bracket.
[0007] The spring seat assembly also includes a guide post and a positioning block limiting post. The guide post is horizontally inserted on the first positioning block and the second positioning block. The rear two ends of the second positioning block are provided with second positioning block limiting ports corresponding to the guide post.
[0008] The bottom template also includes a bottom template protrusion on the bottom template body. The bottom template protrusion is provided with a first positioning block mounting groove for inserting the first positioning block. The bottom template body is provided with a guide post insertion port for installing the guide post.
[0009] The cotter pin body is provided with a cotter pin notch to prevent the cotter pin body from rotating.
[0010] The fixed handle includes a fixed rod, the spring-loaded handle includes a movable rod, the main body of the handle is provided with a handle main body anti-rotation post to prevent the fixed handle from rotating, the spring-loaded assembly also includes a handle main body limiting pin for limiting the rotation of the handle main body anti-rotation post, the handle main body limiting pin is vertically fixed on the bottom template body and corresponds to the handle main body anti-rotation post.
[0011] The bottom of the wrench cylindrical seat is provided with a cylindrical seat limiting block outside the cylindrical seat docking groove, and the first positioning block is provided with a cylindrical seat positioning pin corresponding to the cylindrical seat limiting block.
[0012] The advantages of this utility model spring assembly fixture are: it replaces the traditional manual assembly of springs, which is convenient for personnel to operate, saves time and effort, and produces highly consistent finished products. It also effectively improves assembly efficiency, saves costs, and is suitable for mass spring assembly. Attached Figure Description
[0013] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.
[0014] Figure 1 This is a schematic diagram of the structure of the spring assembly fixture of this utility model;
[0015] Figure 2 This is a schematic diagram of the structure of the bottom template of this utility model;
[0016] Figure 3 This is an exploded view of the spring seat assembly of this utility model;
[0017] Figure 4 This is a schematic diagram of the structure of the first positioning block of this utility model;
[0018] Figure 5 This is a schematic diagram of the structure of the second positioning block of this utility model;
[0019] Figure 6This is an exploded view of the spring-supported assembly of this utility model;
[0020] Figure 7 This is a schematic diagram of the structure of the fixed handle of this utility model;
[0021] Figure 8 This is a schematic diagram of the structure of the spring cotter pin of this utility model;
[0022] Figure 9 This is a schematic diagram of the spring-loaded handle structure of this utility model;
[0023] Figure 10 This is a structural schematic diagram of the manual wrench of this utility model;
[0024] Figure 11 This is a schematic diagram of the structure of the spring of this utility model;
[0025] Figure 12 This is a structural schematic diagram of the ear-hanging bracket of this utility model. Detailed Implementation
[0026] like Figure 1-10As shown, the spring assembly fixture of this utility model includes a bottom template 1, a spring seat assembly 2 for positioning the spring body 50, a spring opening assembly 3 for opening the spring body 50, and a manual wrench 4 for engaging the ear bracket 51. The bottom template 1 includes a bottom template body 5. The spring seat assembly 2 includes a first positioning block 6 and a second positioning block 7 arranged opposite to each other. Both the first positioning block 6 and the second positioning block 7 include a positioning block protrusion 10. The positioning block protrusion 10 is provided with a spring arc positioning groove 11 for inserting the spring body 50. The spring opening assembly 3 includes a fixed handle 13 fixed to the bottom template 1, a spring opening handle 15 swayably provided on the fixed handle 13 via a first positioning pin 14, and a spring cotter pin 16. The spring cotter pin 16 includes a cotter pin post 17. The front end of the cotter pin post 17 is provided with a cotter pin wedge-shaped plug 18 that is inserted into the spring body 50 and opens the spring body 50. The spring opening handle 15 includes... The system includes a handle-opening compression block 25, the side of which is provided with an arc-shaped protrusion 26 for driving the cotter pin 17 to move horizontally; the fixed handle 13 includes a handle main seat 20, which is provided with a swing limiting groove 21 for limiting the swing of the handle-opening compression block 25 and a cotter pin guide block 22, which is provided with a cotter pin actuation hole 23 for the cotter pin 17 to pass through; the manual wrench 4 includes a wrench cylinder. The assembly fixture includes a base 30 and wrench handles 31 at both ends of the cylindrical base 30. The cylindrical base 30 is provided with a cylindrical base docking groove 32 covering the upper end of the spring body 50 and a hook ear limiting port 33 communicating with the cylindrical base docking groove 32 for limiting the hook ear bracket 51. The assembly fixture is used to assemble the spring, replacing the traditional manual assembly. It is convenient for personnel to operate, saves time and effort, and the finished product has high consistency. It also effectively improves assembly efficiency, saves costs, and is suitable for mass spring assembly.
[0027] The spring seat assembly 2 also includes a guide post 8 and a positioning block limiting post 9. The guide post 8 is horizontally inserted on the first positioning block 6 and the second positioning block 7. The second positioning block 7 has a second positioning block limiting port 35 corresponding to the guide post 8 at both ends of its rear part. The bottom template 1 also includes a bottom template protrusion 36 on the bottom template body 5. The bottom template protrusion 36 has a first positioning block mounting groove 37 for inserting the first positioning block 6. The bottom template body 5 has a guide post insertion port 38 for installing the guide post 8. Since the spring body 50 may have dimensional deviations, this design can facilitate the placement of the spring body 50, effectively solve the problem that some springs are difficult to install, improve adaptability, make the use more flexible, and increase efficiency.
[0028] The cotter pin 17 is provided with a cotter pin notch 39 to prevent the cotter pin 17 from rotating, thereby improving the stability and reliability of the spring cotter pin 16.
[0029] The fixed handle 13 includes a fixed rod 24, the spring-loaded handle 15 includes a movable rod 27, the handle main seat 20 is provided with a handle main seat anti-rotation post 40 on its side to prevent the fixed handle 13 from rotating, and the spring-loaded assembly 3 also includes a handle main seat limiting pin 19 for limiting the rotation of the handle main seat anti-rotation post 40. The handle main seat limiting pin 19 is vertically fixed on the bottom template body 5 and corresponds to the handle main seat anti-rotation post 40, which facilitates personnel operation and effectively improves the stability of the assembly fixture during operation.
[0030] The bottom of the wrench cylindrical seat 30 is provided with a cylindrical seat limiting block 42 outside the cylindrical seat docking groove 32. The first positioning block 6 is provided with a cylindrical seat positioning pin 43 corresponding to the cylindrical seat limiting block 42 to prevent the manual wrench 4 from over-positioning when rotating, so that the consistency of the assembled product is effectively guaranteed and the operation is more stable and reliable.
[0031] Assembly process: Place the spring body 50 in the spring arc positioning groove 11 of the first positioning block 6 and the second positioning block 7, then place the ear bracket 51 in the ear limiting port 33, and cover the upper end of the spring body 50 with the wrench cylindrical seat 30. At the same time, operate the movable rod 27 with the left hand to swing the movable rod 27 towards the fixed rod 24. The swing of the movable rod 27 causes the arc protrusion 26 of the extrusion block on the handle extrusion block 25 to drive the spring cotter pin 16 to move horizontally. The cotter pin wedge plug 18 of the spring cotter pin 16 is inserted into the spring body 50, so that its upper end is opened. Rotate the wrench handle 31 of the manual wrench 4 with the right hand to make the ear clip 52 engage with the spring body 50. When the cylindrical seat limiting block touches the cylindrical seat positioning pin, it indicates that the wrench handle 31 has been rotated into place, and the spring body 50 and the ear bracket 51 are assembled.
[0032] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model are included within the protection scope of the present utility model.
Claims
1. A spring assembly fixture, characterized in that: The bottom template (1), the spring seat assembly (2) for positioning the spring body (50), the spring opening assembly (3) for opening the spring body (50), and the manual wrench (4) for engaging the ear bracket (51) are provided. The bottom template (1) includes a bottom template body (5), and the spring seat assembly (2) includes a first positioning block (6) and a second positioning block (7) arranged opposite to each other. Both the first positioning block (6) and the second positioning block (7) include a positioning block protrusion (10), and the positioning block protrusion (10) is provided with a spring arc positioning groove (11) for inserting the spring body (50). The spring-opening assembly (3) includes a fixed handle (13) fixed on the bottom template (1), a spring-opening handle (15) swayably mounted on the fixed handle (13) via a first positioning pin (14), and a spring cotter pin (16). The spring cotter pin (16) includes a cotter pin post (17), the front end of which is provided with a cotter pin wedge-shaped plug (18) that inserts into the spring body (50) and opens the spring body (50). The spring-opening handle (15) includes... The handle is spread out and the squeeze block (25) is provided with a squeeze block arc protrusion (26) on the side for driving the cotter pin column (17) to move horizontally. The fixed handle (13) includes a handle main seat (20). The handle main seat (20) is provided with a swing limiting groove (21) for swing limiting of the handle spread out and the cotter pin guide block (22). The cotter pin guide block (22) is provided with a cotter pin action hole (23) for the cotter pin column (17) to pass through. The manual wrench (4) includes a wrench cylinder seat (30) and a wrench handle (31) provided at both ends of the wrench cylinder seat (30). The wrench cylinder seat (30) is provided with a cylinder seat docking groove (32) covering the upper end of the spring body (50) and a hook ear limiting port (33) communicating with the cylinder seat docking groove (32) for limiting the hook ear bracket (51).
2. The spring assembly fixture according to claim 1, characterized in that: The spring seat assembly (2) also includes a guide post (8) and a positioning block limiting post (9). The guide post (8) is horizontally inserted on the first positioning block (6) and the second positioning block (7). The second positioning block (7) has a second positioning block limiting port (35) corresponding to the guide post (8) at both ends of its rear part. The bottom template (1) also includes a bottom template protrusion (36) provided on the bottom template body (5). The bottom template protrusion (36) is provided with a first positioning block mounting groove (37) for inserting the first positioning block (6). The bottom template body (5) is provided with a guide post socket (38) for installing the guide post (8).
3. The spring assembly fixture according to claim 1, characterized in that: The cotter pin body (17) is provided with a cotter pin notch (39) for preventing the cotter pin body (17) from rotating.
4. The spring assembly fixture according to claim 1, characterized in that: The fixed handle (13) includes a fixed rod (24), the spring-loaded handle (15) includes a movable rod (27), the handle main seat (20) is provided with a handle main seat anti-rotation post (40) on the side to prevent the fixed handle (13) from rotating, the spring-loaded assembly (3) also includes a handle main seat limiting pin (19) for limiting the rotation of the handle main seat anti-rotation post (40), the handle main seat limiting pin (19) is vertically fixed on the bottom template body (5) and corresponds to the handle main seat anti-rotation post (40).
5. The spring assembly fixture according to claim 1, characterized in that: The bottom of the wrench cylindrical seat (30) is provided with a cylindrical seat limiting block (42) outside the cylindrical seat docking groove (32), and the first positioning block (6) is provided with a cylindrical seat positioning pin (43) corresponding to the cylindrical seat limiting block (42).