A full-automatic bending and gluing all-in-one machine for battery cell

Abstract

This invention relates to the field of battery cell technology, specifically to a fully automatic integrated bending and gluing machine for battery cells. It includes a protective board bending machine, a gluing machine, and a double flexible board bending machine. The protective board bending machine comprises a bending frame and a protective board bending mechanism; the gluing machine consists of a gluing frame and a gluing mechanism; and a double flexible board bending machine is fixed to one side of the gluing machine. This invention enables the bending, gluing, and double flexible board bending of battery cell protective boards with a single machine, improving work efficiency in battery cell production. Furthermore, by setting up a flattening component, it ensures that the height of the protective board after bending is flush with the height of the battery cell, thus solving the problem of damage to the protective board during subsequent processing. Simultaneously, by setting up CCD cameras and defective product conveyor lines at each station, defective products are promptly removed from the line, preventing mixing of defective products and increasing the yield rate during battery cell bending and gluing.

Description

Technical Field

[0001] This invention relates to the field of battery cell technology, specifically to a fully automatic integrated bending and adhesive bonding machine for battery cells. Background Technology

[0002] A battery cell is the most important component of a lithium-ion rechargeable battery. Generally, a rechargeable battery without the protection circuit board is a battery cell. A battery cell usually consists of a bare cell, a protection board, and a double flexible circuit board. During the production process, the protection board of the battery cell needs to be bent and glued, and then the double flexible circuit board needs to be bent to facilitate the subsequent transportation or packaging of the battery cell.

[0003] Currently, existing battery cells require multiple machines to complete the bending, adhesive application, and double flexible circuit board bending processes. This method necessitates manual loading and unloading, which is time-consuming and labor-intensive, thus reducing the efficiency of battery cell production. Furthermore, after bending, the height of the protection board is much greater than the height of the battery cell, which can lead to damage to the protection board during subsequent processing. Additionally, existing methods cannot promptly remove defective products during bending and adhesive application, resulting in mixed production lines and reducing the yield rate of battery cells during bending and adhesive application. Summary of the Invention

[0004] The purpose of this invention is to provide a fully automatic bending and gluing machine for battery cells, in order to solve the problems mentioned in the background art, such as low working efficiency, easy damage to the battery cell protection board, and poor yield.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a fully automatic integrated bending and gluing machine for battery cells, comprising a protective board bending machine, a gluing machine, and a double flexible board bending machine. The protective board bending machine includes a bending frame and a protective board bending mechanism. The protective board bending mechanism is mounted on the surface of the bending frame and is used for bending the battery cell protective board. The gluing machine consists of a gluing frame and a gluing mechanism. The gluing frame is located on one side of the bending frame, and the gluing mechanism is provided on the surface of the gluing frame. The gluing mechanism is used for gluing the battery cell protective board bent in the protective board bending mechanism. A double flexible board bending machine is fixed on one side of the gluing machine and is used for bending the double flexible boards of the battery cell. The double flexible board bending machine includes a bending frame and a flexible board bending mechanism. A flexible board bending mechanism for bending the double flexible boards of the battery cell is mounted on the top of the bending frame.

[0006] The adhesive applicator includes a molding adhesive supply unit, an adhesive applicator turntable assembly, and an adhesive applicator section. The molding adhesive supply unit is mounted on the surface of the adhesive applicator frame and is used for applying adhesive. The adhesive applicator turntable assembly is mounted on the surface of the adhesive applicator frame and on one side of the molding adhesive supply unit. The adhesive applicator turntable assembly is used to drive the battery cells to move at each station. The adhesive applicator section is mounted on the surface of the adhesive applicator frame and on the outside of the adhesive applicator turntable assembly. The adhesive applicator section is used for applying adhesive to the battery cell protection board.

[0007] Preferably, the protective plate bending mechanism includes a bending machine turntable assembly, a protective plate bending assembly, a flattening assembly, and a CCD detection camera, wherein the bending machine turntable assembly is mounted on the surface of the bending machine frame.

[0008] Preferably, a protective plate bending assembly, a flattening assembly, and a CCD inspection camera are sequentially installed on the surface of the bending machine frame and on the outside of the bending machine turntable assembly. The protective plate bending assembly, the flattening assembly, and the CCD inspection camera are used for bending, flattening, and visual inspection of the battery cell protection board, respectively.

[0009] Preferably, the molding adhesive supply unit includes a film roll feeding assembly, a film cutting assembly, and a film robotic arm, wherein the film roll feeding assembly is fixedly attached to the surface of the adhesive applicator frame.

[0010] Preferably, a film cutting assembly is installed on the surface of the adhesive applicator frame and on one side of the film loading assembly. A film cutting robot is provided on one side of the film cutting assembly, which is used to place the product on the film loading assembly onto the film cutting assembly.

[0011] Preferably, the adhesive application section consists of a molding adhesive straightening assembly, a rolling assembly, and a vision inspection camera. The rolling assembly is provided on the surface of the adhesive application machine frame and on one side of the adhesive application machine turntable assembly. The rolling assembly is used for vertical pull-down operation after adhesive is applied to the battery cell protection board.

[0012] Preferably, a rolling assembly and a vision inspection camera are mounted on the surface of the adhesive applicator frame and on the outside of the adhesive applicator turntable assembly. The rolling assembly is used for rolling adhesive application under the battery cell protection board, while the vision inspection camera is used for visual inspection of the battery cell protection board after adhesive application.

[0013] Preferably, the flexible board bending mechanism includes a long flexible board bending assembly, a short flexible board bending assembly, and a CCD camera assembly. The long flexible board bending assembly and the short flexible board bending assembly are mounted side by side on the surface of the bending frame. The long flexible board bending assembly and the short flexible board bending assembly are used for bending long and short flexible boards. The CCD camera assembly is mounted on the surface of the bending frame and on one side of the short flexible board bending assembly. The CCD camera assembly is used for visual inspection after bending.

[0014] Preferably, the surfaces of the pressing frame, the adhesive applicator frame, and the bending frame are respectively equipped with one and two sets of feeding conveyor lines, a loading robot, a unloading robot, and a defective product conveyor line, wherein the feeding conveyor lines are used for feeding battery cells.

[0015] Preferably, the loading robot is used to transport the battery cells fed into the feeding conveyor line, the unloading robot is used to transport and unload the battery cells after processing, and the defective product conveyor line is used to feed defective battery cells.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: The fully automatic battery cell bending and gluing integrated machine feeds the battery cell into the protection board bending and pressing machine through the battery cell feeding conveyor line. After feeding, the protection board bending and pressing machine bends and presses the protection board of the battery cell, so that the plane of the highest point of the bending of the protection board is flush with the plane of the battery cell, avoiding damage to the protection board during subsequent gluing. Then, a molding adhesive is applied to the front and back of the bent and pressed protection board by a molding adhesive applicator. After gluing is completed, the double flexible board bending machine bends the flexible board of the battery cell inward with two long flexible boards and bends the short flexible feet at the ends of the long flexible boards downward. This invention enables the bending, gluing, and double-flexible board bending of battery cell protection boards using a single machine. No manual loading and unloading is required in the intermediate stages, saving time and labor and improving efficiency in battery cell production. Furthermore, by incorporating a flattening component, the height of the battery cell protection board after bending is ensured to be flush with the height of the battery cell, thus preventing damage to the protection board during subsequent processing. Simultaneously, the installation of CCD cameras and defective product conveyor lines at each workstation ensures timely removal of defective products, preventing mixing of defective products and increasing the yield rate during battery cell bending and gluing. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a schematic diagram of the three-dimensional internal structure of the present invention;

[0019] Figure 3 This is a top view of the vertically placed structure of the present invention;

[0020] Figure 4 This is an enlarged structural schematic diagram of the protective plate bending machine of the present invention;

[0021] Figure 5 This is an enlarged structural schematic diagram of the adhesive bonding machine of the present invention;

[0022] Figure 6 This is an enlarged structural schematic diagram of the double flexible board bending machine of the present invention;

[0023] Figure 7This is a schematic diagram of the exploded structure of the protective plate bending press of the present invention;

[0024] Figure 8 This is an exploded structural diagram of the adhesive bonding machine of the present invention;

[0025] Figure 9 This is an exploded structural diagram of the double flexible board bending machine of the present invention.

[0026] In the diagram: 1. Protective board bending machine; 2. Bending machine frame; 3. Protective board bending mechanism; 31. Bending machine turntable assembly; 32. Protective board bending assembly; 33. Flattening assembly; 34. CCD inspection camera; 4. Adhesive applicator; 5. Applicator frame; 6. Applicator mechanism; 61. Adhesive supply unit; 611. Film loading assembly; 612. Film cutting assembly; 613. Film robot; 62. Applicator turntable assembly; 63. Applicator unit; 631. Adhesive straightening assembly; 632. Roll forming assembly; 633. Vision inspection camera; 7. Double flexible board bending machine; 8. Bending machine frame; 9. Flexible board bending mechanism; 91. Long flexible board bending assembly; 92. Short flexible board bending assembly; 93. CCD camera assembly; 10. Feeding conveyor line; 11. Feeding robot; 12. Unloading robot; 13. Defective product conveyor line. Detailed Implementation

[0027] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. In addition, the terms "first," "second," "third," "upper," "lower," "left," "right," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance. At the same time, in the description of the present invention, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0028] The present invention provides a fully automatic integrated bending and gluing machine for battery cells, the structure of which is as follows: Figure 1 as well as Figure 7As shown, the device includes a protective board bending machine 1, a molding adhesive applicator 4, and a double flexible board bending machine 7 placed side by side. The protective board bending machine 1 includes a bending machine frame 2 and a protective board bending mechanism 3. The protective board bending mechanism 3 is installed on the surface of the bending machine frame 2. The protective board bending mechanism 3 is used for bending the battery cell protective board. The protective board bending mechanism 3 includes a bending machine turntable assembly 31, a protective board bending assembly 32, a flattening assembly 33, and a CCD inspection camera 34. The bending machine turntable assembly 31 is installed on the surface of the bending machine frame 2. The protective board bending assembly 32, the flattening assembly 33, and the CCD inspection camera 34 are installed sequentially on the surface of the bending machine frame 2 and outside the bending machine turntable assembly 31. The protective board bending assembly 32, the flattening assembly 33, and the CCD inspection camera 34 are used for bending, flattening, and visual inspection of the battery cell protective board, respectively.

[0029] During implementation, the battery cell is clamped by the fixture of the bending machine turntable assembly 31 and rotated to the protection plate bending assembly 32 for bending the protection plate, then rotated to the flattening assembly 33 for flattening the protection plate after bending, and finally rotated to the CCD inspection camera 34 for visual acceptance inspection after bending and pressing.

[0030] Furthermore, such as Figure 2 as well as Figure 8 As shown, the adhesive applicator 4 consists of an adhesive applicator frame 5 and an adhesive applicator mechanism 6. The adhesive applicator frame 5 is located on one side of the bending and pressing frame 2. The adhesive applicator mechanism 6 is provided on the surface of the adhesive applicator frame 5. The adhesive applicator mechanism 6 is used to apply adhesive to the battery cell protection board bent in the protection board bending and pressing mechanism 3. The adhesive applicator mechanism 6 includes an adhesive applicator supply part 61, an adhesive applicator turntable assembly 62, and an adhesive applicator part 63. The adhesive applicator supply part 61 is installed on the surface of the adhesive applicator frame 5 and is used for applying adhesive. The adhesive applicator turntable assembly 62 is installed on the surface of the adhesive applicator frame 5 and on one side of the adhesive applicator supply part 61. The adhesive applicator turntable assembly 62 is used to drive the battery cell to achieve the movement of each station. The adhesive applicator part 63 is installed on the surface of the adhesive applicator frame 5 and on the outside of the adhesive applicator turntable assembly 62. The adhesive applicator part 63 is used for applying adhesive to the battery cell protection board.

[0031] In practice, molding adhesive is applied to the battery cell by the molding adhesive supply section 61 to cover the protective plate, while the adhesive applicator turntable assembly 62 drives the battery cell to the next station, and then the adhesive applicator section 63 applies the adhesive and smooths it.

[0032] Furthermore, such as Figure 3 as well as Figure 8As shown, the molding adhesive supply unit 61 includes a film loading assembly 611, a film cutting assembly 612, and a film robot 613. The film loading assembly 611 is fixed to the surface of the adhesive applicator frame 5. The film cutting assembly 612 is installed on the surface of the adhesive applicator frame 5 and on one side of the film loading assembly 611. The film robot 613 is provided on one side of the film cutting assembly 612. The film robot 613 is used to place the product on the film loading assembly 611 onto the film cutting assembly 612.

[0033] In practice, the film feeding assembly 611 delivers the molding adhesive to the film cutting assembly 612, which cuts it into short film pieces. The film robot 613 then picks up the short film pieces and attaches them to the battery cell protection board delivered by the adhesive applicator turntable assembly 62.

[0034] Furthermore, such as Figure 5 as well as Figure 8 As shown, the adhesive application section 63 consists of a molding adhesive straightening assembly 631, a rolling assembly 632, and a vision inspection camera 633. The rolling assembly 632 is provided on the surface of the adhesive application frame 5 and on one side of the adhesive application machine turntable assembly 62. The rolling assembly 632 is used for vertical pull-down work after adhesive is applied to the battery cell protection board. The rolling assembly 632 and the vision inspection camera 633 are installed on the surface of the adhesive application frame 5 and on the outside of the adhesive application machine turntable assembly 62. The rolling assembly 632 is used for rolling adhesive application under the battery cell protection board, while the vision inspection camera 633 is used for visual inspection of the battery cell protection board after adhesive application.

[0035] During implementation, the adhesive applicator turntable assembly 62 drives the battery cell through the molding adhesive straightening assembly 631, the rolling assembly 632, and the vision inspection camera 633 in sequence to perform vertical pull-down after adhesive application, rolling adhesive application below, and visual acceptance inspection after adhesive application.

[0036] Furthermore, such as Figure 6 as well as Figure 9 As shown, a double flexible board bending machine 7 is fixed on one side of the adhesive bonding machine 4. The double flexible board bending machine 7 is used for bending the double flexible boards of the battery cell. The double flexible board bending machine 7 includes a bending frame 8 and a flexible board bending mechanism 9. The top of the bending frame 8 is equipped with the flexible board bending mechanism 9 for bending the double flexible boards of the battery cell. The flexible board bending mechanism 9 includes a long flexible board bending assembly 91, a short flexible board bending assembly 92 and a CCD camera assembly 93. The long flexible board bending assembly 91 and the short flexible board bending assembly 92 are installed side by side on the surface of the bending frame 8. The long flexible board bending assembly 91 and the short flexible board bending assembly 92 are used for bending the long and short flexible boards. The CCD camera assembly 93 is installed on the surface of the bending frame 8 and on one side of the short flexible board bending assembly 92. The CCD camera assembly 93 is used for visual inspection after bending.

[0037] During implementation, the battery cell is fed through the feeding conveyor 10 on the left side of the bending frame 8 and loaded onto the long flexible board bending assembly 91 by the loading robot 11 for inward bending. After bending, the battery cell is unloaded by the unloading robot 12 on the left side onto the feeding conveyor 10 on the right side of the bending frame 8, and then loaded onto the short flexible leg bending assembly 92 by the loading robot 11 for downward bending of the short flexible leg at the end of the long flexible board. After bending, the battery cell is visually inspected by the CCD camera assembly 93.

[0038] Furthermore, such as Figure 4 as well as Figure 9 As shown, the surfaces of the bending frame 2, the adhesive application frame 5, and the bending frame 8 are respectively equipped with one and two sets of feeding conveyor lines 10, loading robot 11, unloading robot 12, and defective product conveyor lines 13. The feeding conveyor line 10 is used for feeding battery cells, the loading robot 11 is used for transporting the battery cells fed by the feeding conveyor line 10, the unloading robot 12 is used for transporting and unloading the battery cells after processing, and the defective product conveyor line 13 is used for feeding defective battery cells.

[0039] In practice, the battery cells are fed through the feeding conveyor line 10, and the loading robot 11 handles the loaded cells. After the cells are processed, they are handled and unloaded by the unloading robot 12. The defective product conveyor line 13 is used to feed defective battery cells.

[0040] Working principle: During use, the battery cell is first fed to the loading robot 11 via the feeding conveyor line 10 on the surface of the bending machine frame 2. The loading robot 11 then transports the battery cell to the bending machine turntable assembly 31. The fixture of the bending machine turntable assembly 31 clamps the battery cell and rotates it to the protective plate bending assembly 32 for bending the protective plate. It then rotates to the flattening assembly 33 for flattening the protective plate after bending and then to the CCD inspection camera 34 for visual inspection of the bending and pressing. Defective products are unloaded by the unloading robot 12 and discharged onto the defective product conveyor line 13. Qualified products are unloaded by the unloading robot 12 onto the feeding conveyor line 10 on the surface of the adhesive applicator frame 5.

[0041] Subsequently, the bent battery cells are fed to the loading robot 11 via the feeding conveyor 10 on the surface of the adhesive applicator frame 5. The loading robot 11 then transports the cells to the adhesive applicator turntable assembly 62, where the fixture clamps and transports them. Simultaneously, the film loading assembly 611 delivers the molding adhesive to the film cutting assembly 612, where it cuts the adhesive into short film pieces. The film cutting robot 613 then picks up the short film pieces and attaches them to the adhesive applicator turntable assembly 62 for transport. On the incoming battery cell protection board, the glue applicator turntable assembly 62 then drives the battery cell through the molding glue straightening assembly 631, the rolling assembly 632, and the vision inspection camera 633 to perform vertical pull-down after glue application, rolling glue application, and visual inspection after glue application. Products that fail the inspection will be unloaded by the unloading robot 12 and flow out onto the defective product conveyor line 13. Products that pass the inspection will be unloaded by the unloading robot 12 and fed onto the feeding conveyor line 10 on the surface of the bending frame 8.

[0042] Finally, the battery cell is fed through the feeding conveyor 10 on the left side of the bending frame 8 and loaded onto the long flexible board bending assembly 91 by the loading robot 11 for inward bending of the long flexible board. After bending, it is unloaded by the unloading robot 12 on the left side onto the feeding conveyor 10 on the right side of the bending frame 8, and then loaded onto the short flexible leg bending assembly 92 by the loading robot 11 for downward bending of the short flexible leg at the end of the long flexible board. After bending, it is visually inspected by the CCD camera assembly 93. If it is not qualified, it is transported to the defective product conveyor 13 by the unloading robot 12 on the right side for outflow. If it is qualified, it is unloaded by the unloading robot 12 to complete the unloading.

[0043] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A fully automatic bending and adhesive bonding machine for battery cells, comprising a protective board bending machine (1), an adhesive bonding machine (4), and a double flexible board bending machine (7) placed side by side, characterized in that: The protective plate bending machine (1) includes a bending frame (2) and a protective plate bending mechanism (3). The protective plate bending mechanism (3) is installed on the surface of the bending frame (2). The protective plate bending mechanism (3) is used for bending the battery cell protective plate. The adhesive applicator (4) consists of an adhesive applicator frame (5) and an adhesive applicator (6). The adhesive applicator frame (5) is located on one side of the bending frame (2). The adhesive applicator (6) is installed on the surface of the adhesive applicator frame (5). 6) The adhesive applicator (6) is used to apply adhesive to the battery cell protection board bent in the protection board bending mechanism (3); a double flexible board bending machine (7) is fixed on one side of the adhesive applicator (4), which is used for bending the battery cell double flexible board; the double flexible board bending machine (7) includes a bending frame (8) and a flexible board bending mechanism (9), and the top of the bending frame (8) is equipped with a flexible board bending mechanism (9) for bending the battery cell double flexible board; The protective plate bending mechanism (3) includes a bending machine turntable assembly (31), a protective plate bending assembly (32), a flattening assembly (33), and a CCD detection camera (34). The bending machine turntable assembly (31) is installed on the surface of the bending machine frame (2). The protective plate bending assembly (32), the flattening assembly (33), and the CCD detection camera (34) are installed sequentially on the surface of the bending machine frame (2) and on the outside of the bending machine turntable assembly (31). The protective plate bending assembly (32), the flattening assembly (33), and the CCD detection camera (34) are used for bending, flattening, and visual inspection of the battery cell protective plate, respectively. The flexible board bending mechanism (9) includes a long flexible board bending assembly (91), a short flexible leg bending assembly (92), and a CCD camera assembly (93). The long flexible board bending assembly (91) and the short flexible leg bending assembly (92) are installed side by side on the surface of the bending frame (8). The long flexible board bending assembly (91) and the short flexible leg bending assembly (92) are used for bending long and short flexible boards. The CCD camera assembly (93) is installed on the surface of the bending frame (8) and on one side of the short flexible leg bending assembly (92). The CCD camera assembly (93) is used for visual inspection after bending. The adhesive applicator (6) includes a molding adhesive supply unit (61), an adhesive applicator turntable assembly (62), and an adhesive applicator (63). The molding adhesive supply unit (61) is installed on the surface of the adhesive applicator frame (5) and is used for applying adhesive. The adhesive applicator turntable assembly (62) is installed on the surface of the adhesive applicator frame (5) and on one side of the molding adhesive supply unit (61). The adhesive applicator turntable assembly (62) is used to drive the battery cell to achieve movement at each station. The adhesive applicator (63) is installed on the surface of the adhesive applicator frame (5) and on the outside of the adhesive applicator turntable assembly (62). The adhesive applicator (63) is used for applying adhesive to the battery cell protection board.

2. The fully automatic bending and gluing machine for battery cells according to claim 1, characterized in that: The molding adhesive supply unit (61) includes a film roll feeding assembly (611), a film cutting assembly (612), and a film robot (613). The film roll feeding assembly (611) is fixed to the surface of the adhesive applicator frame (5).

3. The fully automatic bending and gluing machine for battery cells according to claim 2, characterized in that: A film cutting assembly (612) is installed on the surface of the adhesive applicator frame (5) and on one side of the film loading assembly (611). A film cutting robot (613) is provided on one side of the film cutting assembly (612) for placing the product on the film loading assembly (611) onto the film cutting assembly (612).

4. The fully automatic bending and gluing machine for battery cells according to claim 1, characterized in that: The adhesive application section (63) consists of a molding adhesive straightening assembly (631), a rolling assembly (632), and a vision inspection camera (633). The rolling assembly (632) is provided on the surface of the adhesive application frame (5) and on one side of the adhesive application machine turntable assembly (62). The rolling assembly (632) is used for vertical pull-down operation after adhesive is applied to the battery cell protection board.

5. The fully automatic bending and gluing machine for battery cells according to claim 4, characterized in that: The adhesive applicator frame (5) is equipped with a rolling assembly (632) and a vision inspection camera (633) on its surface and outside the adhesive applicator turntable assembly (62). The rolling assembly (632) is used for rolling adhesive application under the battery cell protection board, while the vision inspection camera (633) is used for visual inspection of the battery cell protection board after adhesive application.

6. The fully automatic bending and gluing machine for battery cells according to claim 1, characterized in that: The surfaces of the bending frame (2), the adhesive application frame (5) and the bending frame (8) are respectively equipped with one and two sets of feeding conveyor lines (10), feeding robot (11), unloading robot (12) and defective product conveyor line (13). The feeding conveyor line (10) is used for feeding the battery cells.

7. The fully automatic bending and gluing machine for battery cells according to claim 6, characterized in that: The loading robot (11) is used to transport the battery cells fed into the feeding conveyor line (10), the unloading robot (12) is used to transport and unload the battery cells after processing, and the defective product conveyor line (13) is used to feed defective battery cells.

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