A 90-degree bending forming mechanism for a soft package lithium battery skirt
Patent Information
- Application Number
- CN202522011812.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-18
- Publication Date
- 2026-08-11
- Estimated Expiration
- 2035-09-18
AI Technical Summary
在软包电池生产的过程中,封边程序结束后,电池包的锂电池裙边会预留出来,需要通过辊压设备将锂电池裙边沿着电池边缘将锂电池裙边折弯至电池本体上方,现有的折弯方式是通过多个工位的折弯机构进行多次进行折弯,导致设备成本高,设备生产线过长等问题
[0015] The advantages of this utility model are as follows: This utility model adopts multiple bending rollers at different angles and sets multiple bending rollers at different angles on the same XYZ motion control mechanism, which can reduce the number of mechanisms and reduce the cost of equipment; moreover, it has two bending methods to choose from, which can be bending by roller group or bending by roller. When bending by roller, it can accommodate larger batteries.
Smart Images

Figure CN224614821U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a soft-pack lithium battery forming equipment, and in particular to a soft-pack lithium battery skirt 90-degree bending forming mechanism. Background Technology
[0002] Soft-pack batteries are gradually demonstrating their advantages and gaining prominence due to their superior safety performance, light weight, large capacity, low internal resistance, and flexible design. During the production of soft-pack batteries, after the sealing process, the lithium battery skirt is left unfinished. This skirt needs to be bent along the battery edge to the top of the battery body using a rolling mill. Current bending methods involve multiple bending operations at multiple stations, resulting in high equipment costs and excessively long production lines. Summary of the Invention
[0003] In order to overcome the shortcomings and deficiencies of the existing technology, the purpose of this utility model is to provide a 90-degree bending and forming mechanism for the skirt of a soft-pack lithium battery.
[0004] The objective of this utility model is achieved through the following technical solution: a 90-degree bending forming mechanism for the skirt of a soft-pack lithium battery, comprising an X-axis servo module, a Y-axis servo module, and a Z-axis servo module. The X-axis servo module controls the movement of the Y-axis servo module, the Y-axis servo module controls the movement of the Z-axis servo module, and the Z-axis servo module controls the lifting and lowering movement of a lifting plate. The lifting plate is provided with a mounting plate, and the mounting plate is provided with a roller mounting seat. Multiple rollers with different bending angles are arranged at intervals on the roller mounting seat.
[0005] As an improvement to the 90-degree bending forming mechanism for the skirt of the soft-pack lithium battery of this utility model, the rollers with multiple bending angles are a 20-degree bending roller, a 60-degree bending roller, a 70-degree bending roller, an 80-degree bending roller, and a 90-degree bending roller. The 60-degree bending roller is located between the 20-degree bending roller and the 70-degree bending roller, the 70-degree bending roller is located between the 60-degree bending roller and the 80-degree bending roller, and the 80-degree bending roller is located between the 70-degree bending roller and the 90-degree bending roller.
[0006] As an improvement to the 90-degree bending forming mechanism for the skirt of the soft-pack lithium battery of this utility model, the rolling surface of the 20-degree bending roller is a 20-degree inclined plane, the rolling surface of the 60-degree bending roller is a 60-degree inclined plane, the rolling surface of the 70-degree bending roller is a 70-degree inclined plane, the rolling surface of the 80-degree bending roller is an 80-degree inclined plane, and the 90-degree bending roller is vertically arranged on the roller bracket. One end of the roller bracket is connected to an adjusting screw, which is installed on a screw seat. The roller bracket can be adjusted in position by adjusting the screw, and the screw seat is installed on the lifting plate.
[0007] The battery skirt is bent sequentially by the 20-degree bending roller, the 60-degree bending roller, the 70-degree bending roller, the 80-degree bending roller and the 90-degree bending roller.
[0008] As an improvement of the 90-degree bending forming mechanism for the skirt of the soft-pack lithium battery of this utility model, the lifting plate and the mounting plate are slidably connected by a slide rail and a slider, and multiple springs are provided between the lifting plate and the mounting plate.
[0009] As an improvement to the 90-degree bending forming mechanism for the skirt of the soft-pack lithium battery of this utility model, the two ends of the mounting plate are respectively provided with roller brackets, and the two roller brackets are used to install a roller.
[0010] When the rollers are used to bend the battery skirt at a 90-degree angle, the rollers at multiple different bending angles do not participate in the bending.
[0011] When the battery skirt is bent 90 degrees using multiple rollers with different bending angles, the rollers do not participate in the bending.
[0012] As an improvement of the 90-degree bending forming mechanism for the skirt of the soft-pack lithium battery of this utility model, the X-axis servo module includes an X-axis mounting profile, on which an X-axis servo motor and an X-axis transmission screw are provided. The output shaft of the X-axis servo motor is provided with a first driving pulley, and one end of the X-axis transmission screw is provided with a first driven pulley. The first driving pulley and the first driven pulley are connected by a first synchronous belt. A first screw nut is screwed onto the X-axis transmission screw, and the first screw nut is connected to a first sliding plate. The Y-axis servo module is connected to the first sliding plate.
[0013] As an improvement to the 90-degree bending forming mechanism for the skirt of the soft-pack lithium battery of this utility model, the Y-axis servo module includes a Y-axis mounting profile, on which an X-axis servo motor and a Y-axis transmission screw are provided. The output shaft of the Y-axis servo motor is connected to one end of the X-axis transmission screw through a coupling. A second screw nut is screwed onto the Y-axis transmission screw, and the second screw nut is connected to a second sliding plate. The Z-axis servo module is connected to the second sliding plate.
[0014] As an improvement of the 90-degree bending forming mechanism for the skirt of the soft-pack lithium battery of this utility model, the Z-axis servo module includes a Z-axis mounting profile, on which a Z-axis servo motor and a Z-axis transmission screw are provided. A second driving pulley is provided on the output shaft of the Z-axis servo motor, and a second driven pulley is provided at one end of the Z-axis transmission screw. The second driving pulley and the second driven pulley are connected by a second synchronous belt. A third screw nut is screwed onto the Z-axis transmission screw, and the third screw nut is connected to the lifting plate.
[0015] The advantages of this utility model are as follows: This utility model adopts multiple bending rollers at different angles and sets multiple bending rollers at different angles on the same XYZ motion control mechanism, which can reduce the number of mechanisms and reduce the cost of equipment; moreover, it has two bending methods to choose from, which can be bending by roller group or bending by roller. When bending by roller, it can accommodate larger batteries. Attached Figure Description
[0016] Figure 1 This is a perspective view of the present invention;
[0017] Figure 2 This is the front view of this utility model;
[0018] Figure 3 This is a side view of the present invention;
[0019] Figure 4 This is a top view of the present invention. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0021] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.
[0022] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. If the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.
[0023] like Figures 1-4 As shown, a 90-degree bending forming mechanism for the skirt of a soft-pack lithium battery includes an X-axis servo module 1, a Y-axis servo module 2, and a Z-axis servo module 3. The X-axis servo module 1 controls the movement of the Y-axis servo module 2, the Y-axis servo module 2 controls the movement of the Z-axis servo module 3, and the Z-axis servo module 3 controls the lifting and lowering movement of a lifting plate 4. The lifting plate 4 is provided with a mounting plate 5, and the mounting plate 5 is provided with a roller mounting seat 6. Multiple rollers with different bending angles are arranged at intervals on the roller mounting seat 6.
[0024] Preferably, the rollers with different bending angles are a 20-degree bending roller 7, a 60-degree bending roller 8, a 70-degree bending roller 9, an 80-degree bending roller 10, and a 90-degree bending roller 11. The 60-degree bending roller 8 is located between the 20-degree bending roller 7 and the 70-degree bending roller 9. The 70-degree bending roller 9 is located between the 60-degree bending roller 8 and the 80-degree bending roller 10. The 80-degree bending roller 10 is located between the 70-degree bending roller 9 and the 90-degree bending roller 11.
[0025] Preferably, the rolling surface of the 20-degree bending roller 7 is a 20-degree inclined surface, the rolling surface of the 60-degree bending roller 8 is a 60-degree inclined surface, the rolling surface of the 70-degree bending roller 9 is a 70-degree inclined surface, the rolling surface of the 80-degree bending roller 10 is an 80-degree inclined surface, and the 90-degree bending roller 11 is vertically mounted on the roller bracket 12. One end of the roller bracket 12 is connected to an adjusting screw 13, which is mounted on a screw seat 14. The roller bracket 12 can be adjusted in position by adjusting the screw 13, and the screw seat 14 is mounted on the lifting plate 4.
[0026] The battery skirt is bent sequentially by a 20-degree bending roller 7, a 60-degree bending roller 8, a 70-degree bending roller 9, an 80-degree bending roller 10, and a 90-degree bending roller 11.
[0027] Preferably, the lifting plate 4 and the mounting plate 5 are slidably connected by a slide rail and a slider, and multiple springs 15 are provided between the lifting plate 4 and the mounting plate 5.
[0028] Preferably, roller brackets 16 are provided at both ends of the mounting plate 5, and two roller brackets 16 together mount a roller 17;
[0029] When roller 17 is used to bend the battery skirt at a 90-degree angle, rollers with different bending angles do not participate in the bending.
[0030] When multiple rollers with different bending angles are used to bend the battery skirt at 90 degrees, roller 17 does not participate in the bending.
[0031] Preferably, the X-axis servo module 1 includes an X-axis mounting profile, on which an X-axis servo motor and an X-axis transmission screw are mounted. The output shaft of the X-axis servo motor is provided with a first driving pulley, and one end of the X-axis transmission screw is provided with a first driven pulley. The first driving pulley and the first driven pulley are connected by a first synchronous belt. A first screw nut is screwed onto the X-axis transmission screw, and the first screw nut is connected to a first sliding plate. The Y-axis servo module is connected to the first sliding plate.
[0032] Preferably, the Y-axis servo module 2 includes a Y-axis mounting profile, on which an X-axis servo motor and a Y-axis transmission screw are mounted. The output shaft of the Y-axis servo motor is connected to one end of the X-axis transmission screw via a coupling. A second screw nut is screwed onto the Y-axis transmission screw, and the second screw nut is connected to a second sliding plate. The Z-axis servo module is connected to the second sliding plate.
[0033] Preferably, the Z-axis servo module 3 includes a Z-axis mounting profile, on which a Z-axis servo motor and a Z-axis transmission screw are mounted. The output shaft of the Z-axis servo motor is provided with a second driving pulley, and one end of the Z-axis transmission screw is provided with a second driven pulley. The second driving pulley and the second driven pulley are connected by a second synchronous belt. A third screw nut is screwed onto the Z-axis transmission screw, and the third screw nut is connected to a lifting plate.
[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and structure of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A 90-degree bending forming mechanism for the skirt of a soft-pack lithium battery, characterized in that, It includes an X-axis servo module, a Y-axis servo module, and a Z-axis servo module. The X-axis servo module controls the movement of the Y-axis servo module, the Y-axis servo module controls the movement of the Z-axis servo module, and the Z-axis servo module controls the lifting and lowering movement of a lifting plate. The lifting plate is provided with a mounting plate, and the mounting plate is provided with a roller mounting seat. Multiple rollers with different bending angles are arranged at intervals on the roller mounting seat.
2. The 90-degree bending forming mechanism for the skirt of a soft-pack lithium battery according to claim 1, characterized in that, The rollers with different bending angles are a 20-degree bending roller, a 60-degree bending roller, a 70-degree bending roller, an 80-degree bending roller, and a 90-degree bending roller. The 60-degree bending roller is located between the 20-degree bending roller and the 70-degree bending roller. The 70-degree bending roller is located between the 60-degree bending roller and the 80-degree bending roller. The 80-degree bending roller is located between the 70-degree bending roller and the 90-degree bending roller.
3. The 90-degree bending forming mechanism for the skirt of a soft-pack lithium battery according to claim 2, characterized in that, The rolling surface of the 20-degree bending roller is a 20-degree inclined plane, the rolling surface of the 60-degree bending roller is a 60-degree inclined plane, the rolling surface of the 70-degree bending roller is a 70-degree inclined plane, the rolling surface of the 80-degree bending roller is an 80-degree inclined plane, and the 90-degree bending roller is vertically mounted on the roller bracket. One end of the roller bracket is connected to an adjusting screw, which is mounted on a screw seat. The roller bracket can be adjusted in position by adjusting the screw, and the screw seat is mounted on the lifting plate. The battery skirt is bent sequentially by the 20-degree bending roller, the 60-degree bending roller, the 70-degree bending roller, the 80-degree bending roller and the 90-degree bending roller.
4. The 90-degree bending forming mechanism for the skirt of a soft-pack lithium battery according to claim 1, characterized in that, The lifting plate and the mounting plate are slidably connected by a slide rail and a slider, and multiple springs are provided between the lifting plate and the mounting plate.
5. The 90-degree bending forming mechanism for the skirt of a soft-pack lithium battery according to claim 1, characterized in that, The mounting plate is provided with roller brackets at both ends, and the two roller brackets share a common roller. When the rollers are used to bend the battery skirt at a 90-degree angle, the rollers at multiple different bending angles do not participate in the bending. When the battery skirt is bent 90 degrees using multiple rollers with different bending angles, the rollers do not participate in the bending.
6. The 90-degree bending forming mechanism for the skirt of a soft-pack lithium battery according to claim 1, characterized in that, The X-axis servo module includes an X-axis mounting profile, on which an X-axis servo motor and an X-axis transmission screw are mounted. The output shaft of the X-axis servo motor is provided with a first driving pulley, and one end of the X-axis transmission screw is provided with a first driven pulley. The first driving pulley and the first driven pulley are connected by a first synchronous belt. A first screw nut is screwed onto the X-axis transmission screw, and the first screw nut is connected to a first sliding plate. The Y-axis servo module is connected to the first sliding plate.
7. The 90-degree bending forming mechanism for the skirt of a soft-pack lithium battery according to claim 6, characterized in that, The Y-axis servo module includes a Y-axis mounting profile, on which a Y-axis servo motor and a Y-axis transmission screw are mounted. The output shaft of the Y-axis servo motor is connected to one end of the X-axis transmission screw via a coupling. A second screw nut is screwed onto the Y-axis transmission screw, and the second screw nut is connected to a second sliding plate. The Z-axis servo module is connected to the second sliding plate.
8. The 90-degree bending forming mechanism for the skirt of a soft-pack lithium battery according to claim 1, characterized in that, The Z-axis servo module includes a Z-axis mounting profile, on which a Z-axis servo motor and a Z-axis transmission screw are mounted. A second drive pulley is mounted on the output shaft of the Z-axis servo motor, and a second driven pulley is mounted on one end of the Z-axis transmission screw. The second drive pulley and the second driven pulley are connected by a second synchronous belt. A third screw nut is screwed onto the Z-axis transmission screw, and the third screw nut is connected to the lifting plate.
