Riveting tool capable of improving arc welding yield of new energy battery cap

By setting the punching rod pressing surface and buffer sleeve with inclination in the riveting tooling, combined with the positioning plate and clamping connection, the welding uneven problem caused by the pressing surface of the riveting tooling is solved, the riveting quality and stability of the new energy battery cap is improved, and the welding yield and production efficiency are improved.

CN223250465UActive Publication Date: 2025-08-22JIANGSU ORANGE WILLOW NEW ENERGY TECH CO LTD
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Patent Information

Application Number
CN202422482636.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-15
Publication Date
2025-08-22
Estimated Expiration
2034-10-15

AI Technical Summary

Technical Problem

The pressing surface of the existing new energy battery cap riveting tooling is flat, resulting in uneven welding contact area or insufficient welding pressure, affecting welding quality and stability and reducing welding yield.

Method used

A riveting tooling is designed, including a riveting punching rod, a buffer sleeve, a fixing groove, a punching rod pressing surface and a telescopic rod. A 2° inclination angle is set on the inner side of the punching rod pressing surface, combined with the buffer sleeve and the positioning plate to ensure the stability and accuracy of the riveting process, and the riveting depth and force are controlled through the punching cylinder.

Benefits of technology

Improves the tightness and connection stability between the battery and the battery cap, improves the uplift phenomenon in the welding area, reduces impact and vibration, ensures riveting quality and consistency, and improves production efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The riveting tool capable of improving the arc welding yield of the new energy battery cap comprises a riveting tool body, a tool base is arranged at the bottom position of the riveting tool body, a stamping air cylinder is arranged above the riveting tool body, a stamping rod is arranged at the bottom position of the stamping air cylinder, and the riveting tool body is arranged on the tool base. Fixing rings are arranged in the positioning plate in an array mode, telescopic rods are arranged in the fixing rings, riveting punching rods are arranged at the bottoms of the telescopic rods, riveting heads are arranged at the tops of the riveting punching rods, and buffer sleeves are arranged at the bottoms of the riveting heads, so that the stability of the riveting process is guaranteed; the riveting device is simple in structure and favorable for avoiding riveting position deviation caused by impact, the punch pressing surface is arranged at the top of the riveting head, and the inclination angle of 2 degrees is arranged on the inner side of the punch pressing surface, so that the tightness and the connection stability of a battery and a battery cap in the riveting process can be effectively improved, the upheaval phenomenon of a welding area is effectively improved, and the improvement of the welding yield is facilitated.
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Description

Technical Field

[0001] The utility model belongs to the technical field related to new energy batteries, and specifically relates to a riveting tool that can improve the arc welding yield of new energy battery caps. Background Art

[0002] New energy battery cap riveting is a process used in the battery assembly process of electric vehicles or hybrid vehicles. In electric vehicles, the battery is an important component of the vehicle, and the battery cap is the outer shell that protects the battery. Riveting is a mechanical connection process that places a metal rivet between two metal surfaces and then applies pressure to form a connection between the two metal surfaces. In the riveting process of new energy battery caps, mechanical equipment such as riveting machines with a certain strength and precision are usually used to ensure the connection quality and stability during the riveting process. This process can help ensure the safety and stability of battery components, thereby improving the overall performance and reliability of electric vehicles.

[0003] However, the pressing surface of the riveting punch of the existing new energy battery cap riveting tooling is not angled and is flat, which will lead to uneven welding contact area or insufficient welding pressure, thereby affecting the welding quality and stability and reducing the welding yield. Utility Model Content

[0004] The purpose of this utility model is to provide a riveting tool that can improve the arc welding yield of new energy battery caps, so as to solve the problem proposed in the above background technology that the pressing surface of the riveting punch of the existing new energy battery cap riveting tool is not angled but flat, which will lead to uneven welding contact area or insufficient welding pressure, thereby affecting the welding quality and stability and reducing the welding yield.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a riveting tool capable of improving the arc welding yield of new energy battery caps, comprising a riveting tool body;

[0006] A tooling base is provided at the bottom of the riveting tooling body, a punching cylinder is provided above the riveting tooling body, a punching rod is provided at the bottom of the punching cylinder, a positioning plate is provided at the bottom of the punching rod, a fixing ring is provided in an array inside the positioning plate, a telescopic rod is provided inside the fixing ring, and a riveting punch is provided at the bottom of the telescopic rod;

[0007] A riveting head is provided at the top of the riveting punch, a buffer sleeve is provided at the bottom of the riveting head, and a fixing groove is provided in an annular array on the outer side of the riveting punch.

[0008] Preferably, a punch pressing surface is provided at the top of the riveting head, and an inclination angle of 2° is provided on the inner side of the punch pressing surface.

[0009] Preferably, a cap cavity is provided at a middle position inside the riveting head, and the riveting head is slidably connected to the buffer sleeve.

[0010] Preferably, a rod cavity is provided at a middle position inside the riveting punch rod, and a telescopic rod is provided at a position inside the rod cavity.

[0011] Preferably, a positioning piece is provided in an array inside the tooling base, a battery positioning cavity is provided at a middle position inside the positioning piece, and a buffer platform is provided at a bottom position of the battery positioning cavity.

[0012] Preferably, a spring cavity is provided at the bottom of the buffer platform, and a buffer spring is provided inside the spring cavity.

[0013] Preferably, the riveting punch is made of steel material, and the riveting punch is connected to the positioning plate through a fixing groove. The riveting tooling that can improve the arc welding yield of the new energy battery cap is powered by an external power supply.

[0014] Compared with the existing technology, the present invention provides a riveting tool that can improve the arc welding yield of new energy battery caps, and has the following beneficial effects:

[0015] Through the arrangement of the riveting punch, riveting head, buffer sleeve, fixing groove, punch pressing surface, rod cavity and telescopic rod, a 2° inclination angle is set on the inner side of the punch pressing surface, which can effectively improve the tightness and connection stability of the battery and the battery cap during the riveting process, effectively improve the bulge phenomenon in the welding area, and is beneficial to the improvement of welding yield. The use of a buffer sleeve to connect the riveting head can effectively reduce impact and vibration, ensure the smoothness of the riveting process, and help avoid riveting position deviation caused by impact. The fixing groove design on the outside of the riveting punch is connected to the positioning plate to ensure the stability and accuracy of the riveting punch during operation, which is beneficial to the control of riveting quality. The stamping cylinder controls the movement of the riveting punch through the telescopic rod. It is easy to operate and can accurately control the depth and strength of the riveting, ensuring the consistency and stability of each riveting.

[0016] Through the setting of the positioning part, battery positioning cavity, buffer table, spring cavity and buffer spring, the internal battery positioning cavity of the positioning part can ensure the precise position of the battery during the riveting process, which helps to maintain the accuracy and consistency of the riveting. The design of the buffer table and spring cavity can effectively reduce the vibration and impact during the riveting process, protect the battery and tooling from the influence of accidental forces, and help to maintain the stability of the riveting quality. The buffer spring can provide a certain buffering effect under strong force, reducing the risk of damage caused by accidental collisions, thereby improving work safety. The design of the tooling base makes the installation and removal of the battery more convenient, saves operation time, and improves production efficiency. Through precise positioning, shock absorption and buffering and improved safety, it effectively supports the smooth progress of the riveting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the present utility model.

[0018] Figure 2 It is a structural schematic diagram of the positioning member in the utility model.

[0019] Figure 3 It is a structural schematic diagram of the cross section of the positioning member in the utility model.

[0020] Figure 4 This is a structural diagram of the riveting punch in the utility model.

[0021] Figure 5 This is a structural schematic diagram of the cross section of the riveting punch in the utility model.

[0022] In the figure: 1. Riveting tool body; 2. Punching rod; 3. Punching cylinder; 4. Positioning plate; 5. Fixing ring; 6. Positioning piece; 7. Tool base; 8. Telescopic rod; 9. Battery positioning cavity; 10. Buffer platform; 11. Buffer spring; 12. Spring cavity; 13. Riveting punch; 14. Riveting head; 15. Cap cavity; 16. Punch pressing surface; 17. Buffer sleeve; 18. Fixing groove; 19. Rod cavity; 20. New energy battery. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] The utility model provides Figure 1-5 A riveting tool for improving the arc welding yield of new energy battery caps shown in the figure includes a riveting tool body 1;

[0025] A tooling base 7 is provided at the bottom of the riveting tooling body 1, a punching cylinder 3 is provided above the riveting tooling body 1, a punching rod 2 is provided at the bottom of the punching cylinder 3, a positioning plate 4 is provided at the bottom of the punching rod 2, a fixing ring 5 is provided in the internal array of the positioning plate 4, a telescopic rod 8 is provided inside the fixing ring 5, and a riveting punch 13 is provided at the bottom of the telescopic rod 8;

[0026] A riveting head 14 is provided at the top of the riveting punch 13 , a buffer sleeve 17 is provided at the bottom of the riveting head 14 , and a fixing groove 18 is provided in an annular array outside the riveting punch 13 .

[0027] A punch pressing surface 16 is provided at the top of the riveting head 14 , and an inner side of the punch pressing surface 16 is provided with an inclination angle of 2°.

[0028] A cap cavity 15 is provided at a middle position inside the riveting head 14 , and the riveting head 14 is slidably connected to the buffer sleeve 17 .

[0029] A rod cavity 19 is provided at a middle position inside the riveting punch 13 , and a telescopic rod 8 is provided inside the rod cavity 19 .

[0030] The tooling base 7 is provided with positioning members 6 in an array inside, a battery positioning cavity 9 is provided at a middle position inside the positioning member 6 , and a buffer platform 10 is provided at a bottom position of the battery positioning cavity 9 .

[0031] A spring cavity 12 is provided at the bottom of the buffer platform 10 , and a buffer spring 11 is provided inside the spring cavity 12 .

[0032] The riveting punch 13 is made of steel and is connected to the positioning plate 4 through a fixing groove 18. The riveting tooling that can improve the arc welding yield of the new energy battery cap is powered by an external power supply.

[0033] In this embodiment, a specific implementation step of a riveting tool that can improve the arc welding yield of new energy battery caps is to ensure that the tool base 7 is firmly installed on the workbench, confirm that the punching cylinder 3 and the punching rod 2 have been correctly installed and connected to the tool body, place the battery to be riveted on the positioning piece 6, use the positioning piece 6 and the battery positioning cavity 9 inside the tool base 7 to ensure the accurate position of the battery, adjust the pressure and position of the punching cylinder 3, align the riveting head 14 on the top of the punching rod 2 with the riveting punch 13 of the battery cap, apply pressure to the punching cylinder 3, drive the punching rod 2 to move downward, and rivet The rivet head 14 of the pressing punch 13 begins to contact the battery cap, and at the same time the buffer sleeve 17 ensures a smooth pressing process. The rivet head 14 of the riveting punch 13 applies pressure on the punch pressing surface 16 to ensure that the angle and pressure during the riveting process are well controlled. The 2° inclination on the inner side of the punch pressing surface 16 helps ensure a tight connection between the battery and the battery cap, and improves the riveting quality. When the punch rod 2 is fully pressed down and reaches the set riveting depth, the punching cylinder 3 releases the pressure, and the punch rod 2 returns to the starting position. After confirming that the riveting is completed, the battery is removed from the tooling for the next step of process processing or quality inspection.

[0034] like Figure 1-3 As shown, a riveting head 14 is provided at the top position of the riveting punch 13, a buffer sleeve 17 is provided at the bottom position of the riveting head 14, a fixing groove 18 is provided in a circular array on the outer side of the riveting punch 13, a punch pressing surface 16 is provided at the top position of the riveting head 14, and a 2° inclination angle is provided on the inner side of the punch pressing surface 16, a cap cavity 15 is provided at the middle position inside the riveting head 14, the riveting head 14 is slidably connected to the buffer sleeve 17, a rod cavity 19 is provided at the middle position inside the riveting punch 13, and a telescopic rod 8 is provided inside the rod cavity 19.

[0035] Preferably, the inner side of the punch pressing surface 16 is provided with an inclination angle of 2°, which can effectively improve the tightness and connection stability of the battery and the battery cap during the riveting process, effectively improve the bulging phenomenon of the welding area, and is beneficial to the improvement of the welding yield. The use of a buffer sleeve 17 to connect the rivet head 14 can effectively reduce impact and vibration, ensure the smoothness of the riveting process, and help avoid riveting position deviation caused by impact. The fixed groove 18 design on the outside of the riveting punch 13 is clamped and connected with the positioning plate 4, ensuring the stability and accuracy of the riveting punch 13 during operation, which is beneficial to the control of the riveting quality. The punching cylinder 3 controls the movement of the riveting punch 13 through the telescopic rod 8. It is easy to operate and can accurately control the depth and strength of the riveting, ensuring the consistency and stability of each riveting.

[0036] like Figure 1 and Figure 4-5As shown, a positioning member 6 is arranged in an array inside the tooling base 7, a battery positioning cavity 9 is arranged at the middle position inside the positioning member 6, a buffer platform 10 is arranged at the bottom position of the battery positioning cavity 9, a spring cavity 12 is arranged at the bottom position of the buffer platform 10, and a buffer spring 11 is arranged inside the spring cavity 12.

[0037] Preferably, the internal battery positioning cavity 9 of the positioning member 6 can ensure the precise position of the battery during the riveting process, which helps to maintain the accuracy and consistency of the riveting. The design of the buffer platform 10 and the spring cavity 12 can effectively reduce the vibration and impact during the riveting process, protect the battery and tooling from the influence of accidental forces, and help to maintain the stability of the riveting quality. The buffer spring 11 can provide a certain buffering effect under strong force, reducing the risk of damage caused by accidental collisions, thereby improving work safety. The design of the tooling base 7 makes the installation and removal of the battery more convenient, saves operation time, and improves production efficiency. Through precise positioning, shock absorption and buffering and improved safety, it effectively supports the smooth progress of the riveting process.

[0038] like Figure 1-5 As shown, the riveting punch 13 is made of steel material, and the riveting punch 13 is clamped and connected with the positioning plate 4 through the fixing groove 18. The riveting tooling that can improve the arc welding yield of the new energy battery cap is powered by an external power supply.

[0039] Optionally, the riveting punch made of steel has excellent strength and durability, can withstand greater pressure and impact, and ensure long-term stable working performance. The external power supply can ensure the stable operation of the punching cylinder 3 and the punching rod 2, and provide sufficient power to drive the riveting punch to perform precise riveting operations, thereby ensuring the riveting quality and consistency.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A riveting tool capable of improving the arc welding yield of a new energy battery cap, comprising a riveting tool body (1); A tool base (7) is provided at the bottom of the riveting tool body (1), a punching cylinder (3) is provided above the riveting tool body (1), a punching rod (2) is provided at the bottom of the punching cylinder (3), a positioning plate (4) is provided at the bottom of the punching rod (2), a fixing ring (5) is provided in an array inside the positioning plate (4), a telescopic rod (8) is provided inside the fixing ring (5), and a riveting punch (13) is provided at the bottom of the telescopic rod (8); Its characteristics are: A riveting head (14) is provided at the top of the riveting punch (13), a buffer sleeve (17) is provided at the bottom of the riveting head (14), and a fixing groove (18) is provided in an annular array outside the riveting punch (13).

2. The riveting tool for improving arc welding yield of new energy battery caps according to claim 1 is characterized in that: A punch pressing surface (16) is provided at the top of the riveting head (14), and an inner side of the punch pressing surface (16) is provided with an inclination angle of 2°.

3. The riveting tool for improving arc welding yield of new energy battery caps according to claim 2 is characterized in that: A cap cavity (15) is provided at a middle position inside the riveting head (14), and the riveting head (14) is slidably connected to the buffer sleeve (17).

4. The riveting tool for improving arc welding yield of new energy battery caps according to claim 3 is characterized in that: A rod cavity (19) is provided at a middle position inside the riveting punch rod (13), and a telescopic rod (8) is provided at an inner position of the rod cavity (19).

5. The riveting tool capable of improving the arc welding yield of new energy battery caps according to claim 1 is characterized in that: The tooling base (7) is provided with a positioning member (6) in an array inside, a battery positioning cavity (9) is provided at a middle position inside the positioning member (6), and a buffer platform (10) is provided at a bottom position of the battery positioning cavity (9).

6. The riveting tool for improving arc welding yield of new energy battery caps according to claim 5 is characterized in that: A spring cavity (12) is provided at the bottom of the buffer platform (10), and a buffer spring (11) is provided inside the spring cavity (12).

7. The riveting tool for improving arc welding yield of new energy battery caps according to claim 1 is characterized in that: The riveting punch (13) is made of steel material, and the riveting punch (13) is connected to the positioning plate (4) by a fixing groove (18). The riveting tooling that can improve the arc welding yield of the new energy battery cap is powered by an external power supply.