Rivet pressing mechanism for new energy automobile battery box machining

The riveting mechanism addresses inefficiencies in battery shell riveting by using synchronized cylinders and magnetic sheets to securely rivet multiple nuts at once, enhancing efficiency and stability in the riveting process.

CN222289340UActive Publication Date: 2025-01-03NANJING STILLAND MASCH TECH CO LTD
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Patent Information

Application Number
CN202420923484.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2025-01-03
Estimated Expiration
2034-04-30

AI Technical Summary

Technical Problem

The existing riveting process for new energy vehicle battery shells is inefficient and labor-intensive, requiring manual support to prevent tilting and allowing only one nut to be stamped at a time, which reduces yield and efficiency.

Method used

A riveting mechanism with synchronized cylinders and magnetic sheets to simultaneously rivet multiple nuts on the battery box body, ensuring stability and efficiency through a design with evenly arranged riveting columns and seats, and magnetic sheets to secure the battery box during the process.

Benefits of technology

Enhances riveting efficiency by allowing multiple nuts to be riveted simultaneously while maintaining stability, reducing manual intervention and workload, thus improving productivity and yield.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a new energy automobile battery box processing pressure riveting mechanism which comprises a stamping plate, two sets of air cylinders are evenly installed on the surface of the stamping plate, the bottoms of piston rods of the air cylinders are fixedly connected with the surface of the stamping plate in a screwed mode, a plurality of sets of pressure riveting columns are evenly installed at the bottom of the stamping plate, and positioning seats are installed at the bottoms of the pressure riveting columns. Meanwhile, a plurality of groups of pressing rivet seats are uniformly mounted on the surface of the positioning seat, and positioning grooves are formed in the surfaces of the pressing rivet seats and are matched with the pressing rivet nuts in size. According to the rivet pressing mechanism for new energy automobile battery box machining, riveting holes formed in a battery box body are inserted into the outer sides of rivet pressing nuts, under the work of two sets of air cylinders moving synchronously, a stamping plate drives five sets of rivet pressing columns to move downwards, and the rivet pressing columns move downwards to anchor the rivet pressing nuts to the side wall of the battery box body; and five groups of pressing rivet nuts can be subjected to pressing rivet work at one time, so that the working efficiency of the pressing rivet device is improved.
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Description

Technical Field

[0001] The utility model relates to the field of riveting mechanisms, in particular to a riveting mechanism for processing a battery box of a new energy vehicle. Background Art

[0002] With the explosive growth in production and sales of new energy vehicles, the demand for power batteries, the key components of new energy vehicles, is also increasing, and at the same time, the safety and quality requirements for batteries are becoming more and more stringent; among them, further optimization of the battery cover manufacturing process, especially continuously improving the quality stability and automation efficiency of the riveting process of the positive and negative electrode components of the battery cover, in order to meet more and higher market demands, has significant economic and social value.

[0003] At present, in the manufacturing process of battery shells for new energy vehicles, it is necessary to use a riveting device to process the battery shells. However, in the manufacturing process of battery shells for new energy vehicles, the nuts are first placed on the positioning columns, and then the rivet holes on the battery box body are aligned with the nuts, and finally the stamping work is performed through the stamping device. In the actual operation process, the battery box body needs to be manually supported to avoid tilting of the battery box body during riveting, which increases the workload of employees. At the same time, due to manual operation, it is also easy to reduce the yield rate of the product. At the same time, only one group of nuts can be stamped at a time, and five nuts need to be stamped five times, which greatly reduces the stamping efficiency of the battery box. Utility Model Content

[0004] The purpose of the utility model is to provide a riveting mechanism for processing a battery box of a new energy vehicle, so as to solve the defects mentioned in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, a riveting mechanism for processing a battery box of a new energy vehicle is provided, comprising a stamping plate, two groups of cylinders are evenly installed on the surface of the stamping plate, and the bottom of the piston rod of the cylinder is screwed and fixed to the surface of the stamping plate, a plurality of groups of riveting columns are evenly installed on the bottom of the stamping plate, and a positioning seat is installed on the bottom of the riveting column, and at the same time, a plurality of groups of riveting seats are evenly installed on the surface of the positioning seat, and a positioning groove is provided on the surface of the riveting seat, the positioning groove is adapted to the size of the riveting nut, and the bottom of the riveting nut is inserted into the inside of the positioning groove, and at the same time, the surface of the riveting seat covers the battery box body, and a plurality of groups of rivet holes are evenly provided on the side wall of the battery box body, a first magnetic sheet and a second magnetic sheet are installed on the surface of the positioning seat, the riveting nut comprises a nut body, and the surface of the nut body is fixed to a limiting sheet, and at the same time, the surface of the limiting sheet is fixed to a riveting tube, and the nut body is clamped in the inside of the positioning groove, and the riveting tube is inserted in the inside of the riveting hole.

[0006] Preferably, the pressure riveting columns and the pressure riveting seats are evenly arranged in five groups, and the five groups of pressure riveting columns and the pressure riveting seats are relatively arranged.

[0007] Preferably, the rivet column is a cylindrical structure made of metal material, and the rivet column moves downward to anchor the rivet nut to the side wall of the battery box body.

[0008] Preferably, five groups of riveting seats are evenly arranged on the surface of the positioning seat, and the bottom of the positioning seat is screwed and fixed to the processing table. At the same time, a reserved space is formed between two adjacent groups of riveting seats, and columns are fixedly arranged inside the reserved space on both sides of the positioning seat.

[0009] Preferably, the first magnetic sheet and the second magnetic sheet are fixed to the tops of the two groups of columns respectively, and the first magnetic sheet and the second magnetic sheet are arranged horizontally.

[0010] Preferably, the first magnetic sheet and the second magnetic sheet are both circular structures, and the diameters of the first magnetic sheet and the second magnetic sheet are consistent. At the same time, the diameter of the first magnetic sheet is smaller than the width of the side wall of the battery box body, and at the same time, the upper surfaces of the first magnetic sheet and the second magnetic sheet are flush with the upper surface of the limit plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] Insert the rivet holes on the battery box body into the outside of the rivet nut. Under the operation of two sets of synchronously moving cylinders, the stamping plate drives five sets of rivet columns to move downward. The rivet columns move downward to anchor the rivet nuts on the side wall of the battery box body. Five sets of rivet nuts can be riveted at one time, thereby improving the working efficiency of the rivet device.

[0013] The arrangement of the first magnetic sheet and the second magnetic sheet can adsorb and fix the battery box body covered on the five groups of rivet seats. When the battery box body is riveted, different manual interventions are performed to hold and fix it, thereby ensuring the stability of the battery box body during riveting and reducing the workload of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the front view of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the installation structure of the pressure riveting column and the pressure riveting seat of the utility model;

[0016] Figure 3 The utility model structure Figure 1 Schematic diagram of riveting work;

[0017] Figure 4 The utility model structure Figure 3 Schematic diagram of the AA section structure.

[0018] Numbers in the figure: 1. Cylinder; 2. Stamping plate; 3. Riveting column; 4. Riveting nut; 41. Nut body; 42. Limiting plate; 43. Riveting cylinder; 5. Battery box body; 6. Riveting hole; 7. Positioning groove; 8. Riveting seat; 9. Processing table; 10. First magnetic sheet; 101. Second magnetic sheet; 11. Pillar; 12. Reserved space; 13. Positioning seat. DETAILED DESCRIPTION

[0019] See also Figure 1-4 The utility model provides a riveting mechanism for processing a battery box of a new energy vehicle, comprising a stamping plate 2, two groups of cylinders 1 are evenly installed on the surface of the stamping plate 2, and the bottom of the piston rod of the cylinder 1 is screwed and fixed to the surface of the stamping plate 2, a plurality of groups of riveting columns 3 are evenly installed on the bottom of the stamping plate 2, and a positioning seat 13 is installed on the bottom of the riveting column 3, and a plurality of groups of riveting seats 8 are evenly installed on the surface of the positioning seat 13, and a positioning groove 7 is provided on the surface of the riveting seat 8, and the positioning groove 7 is adapted to the size of the riveting nut 4, and the bottom of the riveting nut 4 is fixed to the bottom of the riveting nut 4. The battery box body 5 is inserted into the positioning groove 7, and the surface of the rivet seat 8 covers the battery box body 5, and a plurality of rivet holes 6 are evenly arranged on the side wall of the battery box body 5. The first magnetic sheet 10 and the second magnetic sheet 101 are installed on the surface of the positioning seat 13. The rivet nut 4 includes a nut body 41, and the surface of the nut body 41 is fixed to the limiting sheet 42, and the surface of the limiting sheet 42 is fixed to the rivet tube 43, and the nut body 41 is clamped in the positioning groove 7, and the rivet tube 43 is inserted into the rivet hole 6.

[0020] Working principle: When in use, first place the five groups respectively in the positioning grooves 7 opened in the five groups of rivet seats 8, and insert the rivet holes 6 opened on the battery box body 5 into the outside of the rivet nuts 4. Under the operation of the two groups of synchronously moving cylinders 1, the stamping plate 2 drives the five groups of rivet columns 3 to move downward, and the rivet columns 3 move downward to anchor the rivet nuts 4 on the side walls of the battery box body 5. Five groups of rivet nuts 4 can be riveted at one time, thereby improving the working efficiency of the rivet device.

[0021] As a preferred embodiment, the pressure riveting columns 3 and the pressure riveting seats 8 are evenly arranged in five groups, and the five groups of pressure riveting columns 3 and the pressure riveting seats 8 are relatively arranged.

[0022] like Figure 1-4 As shown in the figure: the rivet columns 3 and the rivet seats 8 are arranged relatively to each other, and the five groups of rivet columns 3 move downward synchronously to perform rivet work on the battery box body 5 covered on the five groups of rivet seats 8.

[0023] As a preferred embodiment, the rivet column 3 is a cylindrical structure made of metal material, and the rivet column 3 moves downward to anchor the rivet nut 4 on the side wall of the battery box body 5.

[0024] Five groups of riveting seats 8 are evenly arranged on the surface of the positioning seat 13, and the bottom of the positioning seat 13 is screwed and fixed to the processing table 9. At the same time, a reserved space 12 is formed between two adjacent groups of riveting seats 8, and columns 11 are fixedly arranged inside the reserved space 12 on both sides of the positioning seat 13.

[0025] As a preferred embodiment, the tops of the two groups of columns 11 are respectively fixed with the first magnetic sheet 10 and the second magnetic sheet 101 , and the first magnetic sheet 10 and the second magnetic sheet 101 are arranged horizontally.

[0026] The first magnetic sheet 10 and the second magnetic sheet 101 are arranged horizontally. The arrangement of the first magnetic sheet 10 and the second magnetic sheet 101 can adsorb and fix the battery box body 5 covered on the five groups of rivet seats 8. When the battery box body 5 is riveted, different manual interventions are performed to hold and fix it, thereby ensuring the stability of the battery box body 5 during riveting and reducing the workload of the staff.

[0027] As a preferred embodiment, the first magnetic sheet 10 and the second magnetic sheet 101 are both circular structures, and the diameters of the first magnetic sheet 10 and the second magnetic sheet 101 are consistent. At the same time, the diameter of the first magnetic sheet 10 is smaller than the width of the side wall of the battery box body 5, and the upper surfaces of the first magnetic sheet 10 and the second magnetic sheet 101 are flush with the upper surface of the limit plate 42.

Claims

1. A riveting mechanism for processing a battery box of a new energy vehicle, comprising a stamping plate (2), characterized in that: Two groups of cylinders (1) are evenly installed on the surface of the stamping plate (2), and the bottom of the piston rod of the cylinder (1) is screwed and fixed to the surface of the stamping plate (2), and multiple groups of rivet columns (3) are evenly installed on the bottom of the stamping plate (2), and the bottom of the rivet columns (3) is installed with a positioning seat (13), and at the same time, multiple groups of rivet seats (8) are evenly installed on the surface of the positioning seat (13), and the surface of the rivet seat (8) is provided with a positioning groove (7), the positioning groove (7) is adapted to the size of the rivet nut (4), and the bottom of the rivet nut (4) is inserted into the inside of the positioning groove (7), and at the same time, the rivet seat The surface of the battery box body (8) covers the battery box body (5), and a plurality of riveting holes (6) are evenly arranged on the side wall of the battery box body (5), the first magnetic sheet (10) and the second magnetic sheet (101) are installed on the surface of the positioning seat (13), the riveting nut (4) includes a nut body (41), and the surface of the nut body (41) is fixed to the limiting sheet (42), and the surface of the limiting sheet (42) is fixed to the riveting tube (43), and the nut body (41) is clamped in the interior of the positioning groove (7), and the riveting tube (43) is inserted into the interior of the riveting hole (6).

2. According to claim 1, a riveting mechanism for processing a battery box of a new energy vehicle is characterized in that: The pressure riveting columns (3) and the pressure riveting seats (8) are evenly arranged in five groups, and the five groups of pressure riveting columns (3) and the pressure riveting seats (8) are relatively arranged.

3. According to claim 1, a riveting mechanism for processing a battery box of a new energy vehicle is characterized in that: The rivet column (3) is a cylindrical structure made of metal material, and the rivet column (3) moves downward to anchor the rivet nut (4) on the side wall of the battery box body (5).

4. A riveting mechanism for processing a battery box for a new energy vehicle according to claim 2, characterized in that: Five groups of riveting seats (8) are evenly arranged on the surface of the positioning seat (13), and the bottom of the positioning seat (13) is screwed and fixed to the processing table (9), and a reserved space (12) is formed between two adjacent groups of riveting seats (8), and columns (11) are fixedly arranged inside the reserved space (12) on both sides of the positioning seat (13).

5. A riveting mechanism for processing a battery box for a new energy vehicle according to claim 4, characterized in that: The tops of the two groups of columns (11) are respectively fixed with the first magnetic sheet (10) and the second magnetic sheet (101), and the first magnetic sheet (10) and the second magnetic sheet (101) are arranged horizontally.

6. A riveting mechanism for processing a battery box for a new energy vehicle according to claim 5, characterized in that: The first magnetic sheet (10) and the second magnetic sheet (101) are both circular structures, and the diameters of the first magnetic sheet (10) and the second magnetic sheet (101) are consistent. The diameter of the first magnetic sheet (10) is smaller than the width of the side wall of the battery box body (5), and the upper surfaces of the first magnetic sheet (10) and the second magnetic sheet (101) are flush with the upper surface of the limiting sheet (42).