Riveting tool for clutch driven plate assembly

By optimizing the structural design of the clutch driven disc assembly riveting fixture, precise positioning and efficient riveting were achieved, solving the problems of complex operation and insufficient precision of traditional fixtures, and improving the production efficiency and quality of automobile manufacturing.

CN120940512AInactive Publication Date: 2025-11-14CHANGCHUN YIDONG CLUTCH
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Patent Information

Application Number
CN202510921976.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-04
Publication Date
2025-11-14
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Traditional clutch driven plate assembly riveting fixtures are complex to operate and lack precision, making it difficult to meet the quality standards of modern automobile manufacturing. They are also inefficient and cannot meet the needs of large-scale production.

Method used

A tooling structure including components such as a lower template, an upper template, a lower fixed plate, a lower pad, a floating plate, an upper fixed plate, and an upper pad is designed. By optimizing the positioning groove, screw holes, guide posts, and guide sleeves, precise positioning and efficient riveting are achieved.

Benefits of technology

It reduces the difficulty and complexity of operation, improves riveting efficiency and precision, ensures assembly quality and reliability, has a wide range of applications, reduces production costs, and enhances market competitiveness.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of machine manufacturing and assembling, and discloses a clutch driven plate assembly riveting tool which comprises a lower die plate, an upper die plate, a lower fixing plate arranged at the top of the lower die plate, a lower base plate arranged at the top of the lower fixing plate and a floating plate arranged above the lower base plate, and the upper die plate is located above the lower die plate. According to the clutch driven plate assembly riveting tool, by optimizing the tool structure, the operation difficulty and complexity are reduced, the working efficiency is improved, an operator can rapidly operate, defective products caused by manual operation errors are reduced, and therefore the riveting task can be efficiently completed in large-scale production of automobile manufacturing enterprises; meanwhile, the tool is accurate in positioning and high in riveting precision, a precise positioning mechanism is adopted, precise positioning and riveting of the clutch driven disc assembly are achieved, the assembling quality and reliability are improved, and the problems that clutch parts are loosened and disengaged due to insufficient riveting precision can be effectively solved.
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Description

Technical Field

[0001] This invention relates to the field of mechanical manufacturing and assembly technology, and in particular to a riveting fixture for a clutch driven disc assembly. Background Technology

[0002] In the field of mechanical manufacturing, especially in automobile manufacturing, the clutch, as a key component of the automotive transmission system, has a crucial impact on the overall performance and safety of the vehicle due to its assembly quality and precision. The clutch driven plate assembly, as one of the core components of the clutch, plays a vital role in vehicle starting, gear shifting, and other operations. Its main function is to transmit power between the engine and the transmission, while effectively reducing vibration and impact during transmission, ensuring driving smoothness and comfort. Therefore, the assembly quality of the clutch driven plate assembly directly affects the vehicle's power transmission efficiency, handling performance, and service life.

[0003] Traditional clutch driven plate assembly riveting fixtures have several drawbacks, mainly in the following aspects: First, the operation process is relatively complex, which not only places high demands on the operator's technical skills and proficiency but may also lead to errors due to human factors during operation, thus affecting the riveting quality; Second, the riveting precision is not high enough to meet the increasingly stringent quality standards of the modern automotive manufacturing industry. Insufficient precision may cause safety hazards such as loosening or detachment of clutch components during use, seriously affecting the driving safety and stability of the vehicle; Third, the work efficiency is low and cannot meet the needs of large-scale production, which to some extent restricts the production efficiency and economic benefits of automotive manufacturing enterprises. Summary of the Invention

[0004] Given that the existing riveting fixtures are difficult to adapt to different models of clutch driven disc assemblies, thus limiting their widespread application in the automotive manufacturing industry, and considering that the precision improvement of traditional fixtures faces bottlenecks and cannot meet the stringent standards of modern automotive manufacturing in the context of the increasing demand for high-precision riveting, this invention is proposed.

[0005] Therefore, the purpose of this invention is to provide a riveting fixture for a clutch driven disc assembly. The purpose is to reduce the difficulty and complexity of operation and improve work efficiency by optimizing the fixture structure design, enabling operators to quickly get started and reducing the generation of defective products due to human error, thereby enabling efficient completion of riveting tasks in the large-scale production of automobile manufacturing enterprises.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a riveting fixture for a clutch driven plate assembly, comprising a lower template and an upper template, the upper template being located above the lower template, a lower fixed plate disposed on the top of the lower template, a lower pad disposed on the top of the lower fixed plate, a floating plate disposed above the lower pad, an upper fixed plate disposed at the bottom of the upper template, an upper pad disposed at the bottom of the upper fixed plate, a central positioning groove disposed at the middle position of the top of the floating plate, a central positioning block disposed inside the central positioning groove, guide posts disposed on both sides of one end of the top of the lower template, guide sleeves disposed on both sides of one end of the bottom of the upper template, with the top ends of the guide posts slidingly extending to the inner side of the guide sleeves, and a positioning pin disposed on the top of the floating plate.

[0007] As a preferred embodiment of the riveting fixture for the clutch driven disc assembly of the present invention, the bottom of the inner side of the central positioning groove is provided with two sets of first screw holes, and two sets of first screws are provided on the top of the central positioning block, with the bottom end of the first screw penetrating the central positioning block and extending to the inner side of the first screw hole.

[0008] As a preferred embodiment of the clutch driven disc assembly riveting fixture of the present invention, the lower pad has three sets of first mounting holes at the top edge, and the first mounting holes penetrate the lower pad; three sets of second mounting holes are opened at the top edge of the lower fixed plate, and the second mounting holes penetrate the lower fixed plate; three sets of third mounting holes are opened at the top of the lower template; and a second screw is sleeved inside the first mounting holes, with the bottom end of the second screw penetrating the lower pad and the lower fixed plate through the first and second mounting holes, and the bottom end of the second screw extending to the inside of the third mounting hole on the lower template.

[0009] As a preferred embodiment of the riveting fixture for the clutch driven disc assembly of the present invention, the following features are provided: a first bolt hole is provided at the bottom edge of the upper pad, and the first bolt hole penetrates the upper pad; three sets of second bolt holes are provided at the bottom edge of the upper fixed plate, and the second bolt holes penetrate the upper fixed plate; three sets of third bolt holes are provided at the bottom of the upper template; a fixing bolt is fitted inside the first bolt hole, and one end of the fixing bolt passes through the first bolt hole and the second bolt hole, penetrating the upper pad and the upper fixed plate; and one end of the fixing bolt extends to the inside of the third bolt hole at the bottom of the upper template.

[0010] As a preferred embodiment of the riveting fixture for the clutch driven plate assembly of the present invention, the floating plate has five sets of first placement slots at its top and bottom, and a first connecting hole is provided at the bottom of the inner cavity of the first placement slot at the top of the floating plate, and the first connecting hole and the first placement slot at the bottom of the floating plate are interconnected. Five sets of second placement slots are provided at the top of the lower pad, and a second connecting hole is provided at the bottom of the inner cavity of the second placement slot, and the second connecting hole penetrates the lower pad. A spring post is provided inside the first connecting hole, and the bottom end of the spring post penetrates the lower pad through the second connecting hole.

[0011] As a preferred embodiment of the clutch driven plate assembly riveting fixture of the present invention, the spring column is fitted with a spring on its surface, the top of the spring extends into a first placement groove at the bottom of the floating plate, and the bottom of the spring extends into a second placement groove at the top of the lower pad plate, and a top cover is disposed on the top of the spring column, the top cover is located in the first placement groove at the top of the floating plate, and a transverse groove is provided on the top of the top cover.

[0012] As a preferred embodiment of the clutch driven plate assembly riveting fixture of the present invention, the bottom of the lower pad is provided with five sets of limiting grooves, three sets of first positioning holes are provided at the top of the inner side of the limiting grooves and the first positioning holes penetrate the lower pad, multiple sets of second positioning holes are provided at the bottom of the floating plate and the multiple sets of second positioning holes correspond to the first positioning holes at the top of the lower pad, and three sets of lower riveting heads are provided in the inner cavity of the limiting grooves and the top of the lower riveting heads penetrates the lower pad and the floating plate through the first positioning hole and the second positioning hole.

[0013] As a preferred embodiment of the clutch driven disc assembly riveting fixture of the present invention, the bottom of the upper fixed plate is provided with five sets of upper riveting heads, and three upper riveting heads are arranged in a circle on the bottom of the upper fixed plate. Five sets of third positioning holes are opened on the bottom of the upper pad, and three third positioning holes are arranged in a circle on the bottom end of the upper pad. The third positioning holes penetrate the upper pad and correspond to the upper riveting heads. The bottom end of the upper riveting head penetrates the upper pad through the third positioning hole.

[0014] Compared with the prior art, the present invention has at least the following beneficial effects: 1. This invention optimizes the tooling structure, reduces operational difficulty and complexity, and improves work efficiency, enabling operators to quickly learn and reduce the generation of defective products due to human error. This allows for efficient completion of riveting tasks in large-scale automobile manufacturing. Furthermore, the tooling provides accurate positioning and high riveting precision. Utilizing a precision positioning mechanism, it achieves accurate positioning and riveting of the clutch driven plate assembly, improving assembly quality and reliability. It effectively avoids problems such as loosening or detachment of clutch components caused by insufficient riveting precision, ensuring the safety and stability of the vehicle during operation and playing a significant role in improving the overall quality of automobiles.

[0015] 2. The tooling of this invention has a wide range of applications and can be adjusted and adapted to different models of clutch driven plate assemblies. It has strong versatility and flexibility, which means that automobile manufacturers do not need to frequently change tooling equipment when facing the assembly requirements of various models of clutch driven plate assemblies, thereby reducing the production costs of enterprises and enhancing their market competitiveness. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the riveting fixture for the clutch driven disc assembly of the present invention; Figure 2 This is a three-dimensional structural diagram of the lower and upper templates of the riveting fixture for the clutch driven disc assembly of the present invention. Figure 3 This is an exploded three-dimensional structural diagram of the lower template of the riveting fixture for the clutch driven disc assembly of the present invention. Figure 4 This is an exploded three-dimensional structural diagram of the lower template of the clutch driven disc assembly riveting fixture of the present invention from another perspective. Figure 5 This is a top-view three-dimensional structural diagram of the floating plate and lower pad of the riveting fixture for the clutch driven disc assembly of the present invention. Figure 6 This is a bottom-view three-dimensional structural diagram of the floating plate and lower pad of the riveting fixture for the clutch driven plate assembly of the present invention. Figure 7 This is a three-dimensional structural schematic diagram of the upper template of the clutch driven disc assembly riveting fixture of the present invention; Figure 8 This is a three-dimensional structural diagram of the upper template of the clutch driven disc assembly riveting fixture of the present invention.

[0017] Explanation of reference numerals in the attached figures: 1. Lower template; 2. Lower fixing plate; 3. Lower pad; 4. Lower rivet head; 5. Floating plate; 6. Center positioning block; 7. Upper rivet head; 8. Upper pad; 9. Upper fixing plate; 10. Upper template; 11. Positioning pin; 12. Guide post; 13. Guide sleeve; 14. Spring post; 15. Spring; 16. First screw; 17. Second screw; 18. First placement groove; 19. First connecting hole; 20. Second placement groove; 21. Second connecting hole; 22. Restriction groove; 23. First positioning hole; 24. Second positioning hole; 25. Center positioning groove; 26. First screw hole; 27. Top cover; 28. Third positioning hole; 29. ​​First bolt hole; 30. Second bolt hole; 31. Third bolt hole; 32. Fixing bolt; 33. First mounting hole; 34. Second mounting hole; 35. Third mounting hole. Detailed Implementation

[0018] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0019] Reference Figures 1-8 As an embodiment of the present invention, a riveting fixture for a clutch driven plate assembly is provided. This riveting fixture includes a lower template 1 and an upper template 10. The upper template 10 is located above the lower template 1. A lower fixing plate 2 is disposed at the top of the lower template 1. A lower pad 3 is disposed at the top of the lower fixing plate 2. A floating plate 5 is disposed above the lower pad 3. An upper fixing plate 9 is disposed at the bottom of the upper template 10. An upper pad 8 is disposed at the bottom of the upper fixing plate 9. A central positioning groove 25 is disposed at the middle position of the top of the floating plate 5. A central positioning block 6 is disposed inside the central positioning groove 25. Two sets of first screw holes 26 are provided at the bottom end of the inner side of the central positioning groove 25. Two sets of first screws 16 are placed on the top of the central positioning block 6, with the bottom end of the first screw 16 penetrating the central positioning block 6 and extending to the inside of the first screw hole 26. The central positioning block 6 can be fixedly installed in the central positioning groove 25 on the floating plate 5 by the setting of the first screws 16. Guide posts 12 are set on both sides of the top end of the lower template 1, and guide sleeves 13 are set on both sides of the bottom end of the upper template 10. The top end of the guide post 12 slides to the inside of the guide sleeve 13. The guide posts 12 and guide sleeves 13 can be used to connect the lower template 1 and the upper template 10. The positioning pin 11 is set on the top of the floating plate 5. The positioning pin 11 plays a positioning role.

[0020] Three sets of first mounting holes 33 are provided at the top edge of the lower pad 3, and the first mounting holes 33 penetrate the lower pad 3. Three sets of second mounting holes 34 are provided at the top edge of the lower fixing plate 2, and the second mounting holes 34 penetrate the lower fixing plate 2. Three sets of third mounting holes 35 are provided at the top of the lower template 1. A second screw 17 is sleeved inside the first mounting holes 33. The bottom end of the second screw 17 passes through the first mounting holes 33 and the second mounting holes 34, penetrating the lower pad 3 and the lower fixing plate 2. The bottom end of the second screw 17 extends to the inside of the third mounting hole 35 on the lower template 1.

[0021] A first bolt hole 29 is provided at the bottom edge of the upper pad 8, and the first bolt hole 29 penetrates the upper pad 8. Three sets of second bolt holes 30 are provided at the bottom edge of the upper fixing plate 9, and the second bolt holes 30 penetrate the upper fixing plate 9. Three sets of third bolt holes 31 are provided at the bottom of the upper template 10. A fixing bolt 32 is fitted inside the first bolt hole 29, and one end of the fixing bolt 32 passes through the first bolt hole 29 and the second bolt hole 30, penetrating the upper pad 8 and the upper fixing plate 9. The other end of the fixing bolt 32 extends to the inside of the third bolt hole 31 at the bottom of the upper template 10. The upper pad 8 and the upper fixing plate 9 can be fixedly installed at the bottom of the upper template 10 by setting the fixing bolt 32.

[0022] Five sets of first placement slots 18 are provided at the top and bottom of the floating plate 5. A first connecting hole 19 is provided at the bottom of the inner cavity of the first placement slot 18 at the top of the floating plate 5. The first connecting hole 19 and the first placement slot 18 at the bottom of the floating plate 5 are interconnected. Five sets of second placement slots 20 are provided at the top of the lower pad 3. A second connecting hole 21 is provided at the bottom of the inner cavity of the second placement slot 20. The second connecting hole 21 passes through the lower pad 3. A spring post 14 is provided inside the first connecting hole 19. The bottom end of the spring post 14 passes through the lower pad 3 through the second connecting hole 21.

[0023] A spring 15 is fitted on the surface of the spring column 14. The top of the spring 15 extends into the first placement groove 18 at the bottom of the floating plate 5, and the bottom of the spring 15 extends into the second placement groove 20 at the top of the lower pad 3. A top cover 27 is provided on the top of the spring column 14. The top cover 27 is located in the first placement groove 18 at the top of the floating plate 5, and a horizontal groove is provided on the top of the top cover 27 to facilitate the disassembly and assembly of the spring column 14 using tools.

[0024] The bottom of the lower pad 3 is provided with five sets of limiting grooves 22, three sets of first positioning holes 23 are provided on the top of the inner side of the limiting groove 22, and the first positioning holes 23 penetrate the lower pad 3. Multiple sets of second positioning holes 24 are provided on the bottom of the floating plate 5, and the multiple sets of second positioning holes 24 correspond to the first positioning holes 23 on the top of the lower pad 3. Three sets of lower rivet heads 4 are provided in the inner cavity of the limiting groove 22, and the top of the lower rivet head 4 penetrates the lower pad 3 and the floating plate 5 through the first positioning hole 23 and the second positioning hole 24.

[0025] Five sets of upper rivet heads 7 are provided at the bottom of the upper fixing plate 9, and three upper rivet heads 7 are arranged in a circle at the bottom of the upper fixing plate 9. The upper fixing plate 9 is used to limit the installation of the upper pad plate 8. Five sets of third positioning holes 28 are opened at the bottom of the upper pad plate 8, and three third positioning holes 28 are arranged in a circle at the bottom of the upper pad plate 8. The third positioning holes 28 penetrate the upper pad plate 8 and correspond to the upper rivet heads 7. The bottom end of the upper rivet head 7 penetrates the upper pad plate 8 through the third positioning hole 28.

[0026] During use, align the lower template 1 with the lower fixed plate 2, fix the lower rivet head 4 in the first positioning hole 23 of the lower pad 3, pass the second screw 17 through the first mounting hole 33 and the second mounting hole 34 on the lower pad 3 and the lower fixed plate 2, and tighten it with the third mounting hole 35 of the lower template 1, place the spring 15 into the second placement groove 20 of the lower pad 3 and the first placement groove 18 of the floating plate 5, pass the spring post 14 through the first connecting hole 19, the spring 15 and the second connecting hole 21, and then tighten it with the threaded hole on the top of the lower fixed plate 2, place the positioning pin 11 into the positioning pin groove on the upper surface of the floating plate 5, place the center positioning block 6 into the center positioning groove 25 of the floating plate 5, and use the first screw 16. Tighten the screws to fix the guide post 12 in the guide post hole of the lower template 1; align the 31 on the upper template 10 with the second bolt hole 30 on the upper fixing plate 9, fix the upper rivet head 7 in the third positioning hole 28 of the upper pad 8, and use the fixing bolt 32 to pass through the first bolt hole 29 and the second bolt hole 30 on the upper pad 8 and the upper fixing plate 9, and tighten it with the third bolt hole 31 of the upper template 10 to fix the guide sleeve 13 in the guide sleeve hole of the upper template 10; connect the lower template 1 and the upper template 10 to the equipment, fix the clutch driven plate transmission plate assembly on the floating plate 5 through the center positioning block 6, and then, according to the preset riveting parameters and process requirements, start the riveting device through the control system to perform the riveting operation; The clutch driven disc assembly riveting fixture of the present invention improves riveting accuracy and efficiency and reduces operation difficulty and complexity through optimized structure and control system design. It has strong practicality and market competitiveness. This fixture can be widely used in the clutch driven disc assembly assembly process in the automotive manufacturing industry, providing strong support for improving the quality and efficiency of automobile manufacturing.

[0027] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A riveting fixture for a clutch driven disc assembly, comprising a lower template (1) and an upper template (10), characterized in that: The upper template (10) is located above the lower template (1), and includes a lower fixing plate (2) at the top of the lower template (1), a lower pad plate (3) at the top of the lower fixing plate (2), a floating plate (5) above the lower pad plate (3), an upper fixing plate (9) at the bottom of the upper template (10), an upper pad plate (8) at the bottom of the upper fixing plate (9), a center positioning groove (25) at the middle position at the top of the floating plate (5), a center positioning block (6) inside the center positioning groove (25), guide posts (12) on both sides at the top of the lower template (1), guide sleeves (13) on both sides at the bottom of the upper template (10), with the top of the guide posts (12) sliding to the inside of the guide sleeves (13), and a positioning pin (11) at the top of the floating plate (5).

2. The riveting fixture for the clutch driven plate assembly according to claim 1, characterized in that: The bottom of the inner side of the central positioning groove (25) is provided with two sets of first screw holes (26), and two sets of first screws (16) are provided on the top of the central positioning block (6), and the bottom of the first screw (16) penetrates the central positioning block (6) and extends to the inner side of the first screw hole (26).

3. The riveting fixture for the clutch driven plate assembly according to claim 1, characterized in that: The lower pad (3) has three sets of first mounting holes (33) at the top edge, and the first mounting holes (33) penetrate the lower pad (3). The lower fixing plate (2) has three sets of second mounting holes (34) at the top edge, and the second mounting holes (34) penetrate the lower fixing plate (2). The lower template (1) has three sets of third mounting holes (35) at the top. The lower screw (17) is fitted inside the first mounting hole (33), and the bottom end of the second screw (17) penetrates the lower pad (3) and the lower fixing plate (2) through the first mounting hole (33) and the second mounting hole (34). The bottom end of the second screw (17) extends to the inside of the third mounting hole (35) on the lower template (1).

4. The riveting fixture for the clutch driven plate assembly according to claim 1, characterized in that: The upper pad (8) has a first bolt hole (29) at the bottom edge, and the first bolt hole (29) penetrates the upper pad (8). Three sets of second bolt holes (30) are opened at the bottom edge of the upper fixing plate (9), and the second bolt holes (30) penetrate the upper fixing plate (9). Three sets of third bolt holes (31) are opened at the bottom of the upper template (10). A fixing bolt (32) is fitted inside the first bolt hole (29), and one end of the fixing bolt (32) passes through the first bolt hole (29) and the second bolt hole (30) through the upper pad (8) and the upper fixing plate (9). One end of the fixing bolt (32) extends to the inside of the third bolt hole (31) at the bottom of the upper template (10).

5. The riveting fixture for the clutch driven disc assembly according to claim 4, characterized in that: The top and bottom of the floating plate (5) are provided with five sets of first placement slots (18), and the bottom of the inner cavity of the first placement slot (18) at the top of the floating plate (5) is provided with a first connecting hole (19), and the first connecting hole (19) and the first placement slot (18) at the bottom of the floating plate (5) are connected to each other. Five sets of second placement slots (20) are provided at the top of the lower pad (3), and a second connecting hole (21) is provided at the bottom of the inner cavity of the second placement slot (20), and the second connecting hole (21) penetrates the lower pad (3). A spring post (14) is provided inside the first connecting hole (19), and the bottom end of the spring post (14) penetrates the lower pad (3) through the second connecting hole (21).

6. The riveting fixture for the clutch driven disc assembly according to claim 5, characterized in that: A spring (15) is fitted on the surface of the spring column (14). The top of the spring (15) extends into the first placement groove (18) at the bottom of the floating plate (5), and the bottom end of the spring (15) extends into the second placement groove (20) at the top of the lower pad (3). A top cover (27) is provided on the top of the spring column (14), and the top cover (27) is located in the first placement groove (18) at the top of the floating plate (5). A horizontal groove is provided on the top of the top cover (27).

7. The riveting fixture for the clutch driven disc assembly according to claim 1, characterized in that: The bottom of the lower pad (3) is provided with five sets of limiting grooves (22), three sets of first positioning holes (23) are provided on the top of the inner side of the limiting groove (22), and the first positioning holes (23) penetrate the lower pad (3). Multiple sets of second positioning holes (24) are provided on the bottom of the floating plate (5), and the multiple sets of second positioning holes (24) correspond to the first positioning holes (23) on the top of the lower pad (3). Three sets of lower rivets (4) are provided in the inner cavity of the limiting groove (22), and the top of the lower rivets (4) penetrates the lower pad (3) and the floating plate (5) through the first positioning hole (23) and the second positioning hole (24).

8. The riveting fixture for the clutch driven disc assembly according to claim 7, characterized in that: The bottom of the upper fixing plate (9) is provided with five sets of upper rivet heads (7), and three upper rivet heads (7) are arranged in a circle at the bottom of the upper fixing plate (9). Five sets of third positioning holes (28) are opened at the bottom of the upper pad plate (8), and three third positioning holes (28) are arranged in a circle at the bottom of the upper pad plate (8). The third positioning holes (28) penetrate the upper pad plate (8) and correspond to the upper rivet heads (7). The bottom end of the upper rivet head (7) penetrates the upper pad plate (8) through the third positioning hole (28).