Triangular conductive wire guiding device for stacked gate battery welding
By designing a triangular conductive wire device for stacked grid batteries, using multiple driving components and guide wheel components, the problem of difficulty in uniform winding of conductive wires is solved, uniform welding of conductive wires on the battery cell is achieved, and welding quality is improved.
Patent Information
- Application Number
- CN202421952705.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-13
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-08-13
AI Technical Summary
The outlet end and the position of the wire device of the existing conductive wire are difficult to adjust, which makes it difficult for the conductive wire to be wound evenly on the bobbin, thereby affecting the uniform welding of the conductive wire on the battery cell.
A triangular conductive wire device for welding stacked grid batteries is designed, using triangular conductive wires and multiple driving components. Through unwinding components, guide wheel sets and linear motors, uniform winding and guiding of the conductive wires are achieved.
Through this device, the conductive wire can be evenly wound on the bobbin, ensuring uniform welding of the conductive wire on the battery sheet and improving welding quality.
Smart Images
Figure CN222960889U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of tandem cells, and particularly to a triangular conductive wire guiding device for welding tandem cells. Background Art
[0002] The method for welding the conductive wire of a tandem cell is to wind the wire on a winding cylinder first. A conductive wire is wound around a winding cylinder with positioning grooves, then the cell is attached to the conductive wire on the winding cylinder, and the cell grid line is brought into close contact with the conductive wire by raising the adsorption platform. Finally, the cell is heated to complete the welding. When the conductive wire is wound around the winding cylinder, a wire guiding device is needed to guide the conductive wire.
[0003] It is difficult to adjust the position of the outlet end of some existing conductive wires and the wire guiding device, so that the conductive wire is difficult to be evenly wound around the winding cylinder, and it is easy to cause uneven welding of the conductive wire on the cell. Summary of the Utility Model
[0004] In order to improve the problem that it is difficult to adjust the position of the outlet end of some existing conductive wires and the wire guiding device, which makes it difficult for the conductive wire to be evenly wound around the winding cylinder, and thus it is easy to cause uneven welding of the conductive wire on the cell, this application provides a triangular conductive wire guiding device for welding tandem cells.
[0005] This application provides a triangular conductive wire guiding device for welding tandem cells, adopting the following technical solution:
[0006] A triangular conductive wire guiding device for welding tandem cells includes a first base and a triangular conductive wire on the second base. A winding cylinder and a cell adsorption platform are arranged on the top of the second base. The cell adsorption platform is below the winding cylinder. A first driving component is arranged on the top surface of the first base. A support rod is arranged on the first driving component. A wire unwinding component is arranged on the side of the support rod. A first guide wheel is arranged at the upper end of the support rod. A second driving component is arranged on the top of the second base. A support plate is arranged on the second driving component. A guide wheel group is arranged on the front side of the support plate. A support arm is arranged on the side of the support plate facing the winding cylinder. A plurality of second guide wheels are arranged on the support arm. Preferably, a guide wheel group is rotatably arranged on the front side of the support plate. Preferably, a support arm is fixedly arranged on the side of the support plate facing the winding cylinder.
[0007] Through the above technical solution, the triangular conductive wire is released by the wire unwinding component, guided by the first guide wheel, the guide wheel group and the second guide wheel, and then wound around the winding cylinder, and continuously wound around the winding cylinder as the triangular conductive wire.
[0008] Optionally, in the above triangular conductive wire guiding device for tandem cell welding, the first driving assembly and the second driving assembly are both linear motors. The support rod is fixedly connected to the moving block of the linear motor of the first driving assembly, and the support plate is fixedly connected to the moving block of the linear motor of the second driving assembly.
[0009] Through the above technical solution, the linear motor enables the first driving assembly to drive the support rod to perform linear reciprocating motion, and at the same time, the linear motor enables the second driving assembly to drive the support plate to perform linear reciprocating motion.
[0010] Optionally, in the above triangular conductive wire guiding device for tandem cell welding, the signal input ends of the first driving assembly and the second driving assembly are electrically connected to the signal output end of the same frequency converter, and the moving blocks of the linear motors of the first driving assembly and the second driving assembly move synchronously.
[0011] Through the above technical solution, the frequency converter is used to control the synchronous movement of the first driving assembly and the second driving assembly, so as to promote the synchronous movement of the moving blocks of the two linear motors, and to promote the synchronous movement of the support rod and the support plate.
[0012] Optionally, in the above triangular conductive wire guiding device for tandem cell welding, the unwinding assembly includes a third motor. The third motor is arranged in the middle of the support rod. The rotating shaft of the third motor penetrates through the support rod and is provided with a conductive wire cylinder. Preferably, the third motor is fixedly arranged in the middle of the support rod. Preferably, the rotating shaft of the third motor penetrates through the support rod and is fixedly provided with a conductive wire cylinder.
[0013] Through the above technical solution, the third motor facilitates driving the conductive wire cylinder to rotate, so as to continuously release the triangular conductive wire.
[0014] Optionally, in the above triangular conductive wire guiding device for tandem cell welding, the lower end of the support rod is located inside the linear motor and is fixedly connected to the moving block of the linear motor.
[0015] Optionally, in the above-described triangular conductive wire guiding device for overlapping grid battery welding, the guide wheel group includes a tension sensor and a plurality of guide wheels. The tension sensor is arranged at the left end of the bottom of the front side of the support plate. The plurality of guide wheels are distributed in a U shape on the front side of the support plate. A servo motor is arranged on the front side of the support plate. A connecting rod is arranged on the rotating shaft of the servo motor. A tension control wheel is arranged at the end of the connecting rod away from the servo motor. Preferably, the tension sensor is fixedly arranged at the left end of the bottom of the front side of the support plate. Preferably, the servo motor is fixedly arranged on the front side of the support plate. Preferably, the connecting rod is fixedly arranged on the rotating shaft of the servo motor. Through the above technical solution, the triangular conductive wire enters the tension sensor after passing through the first guide wheel. At this time, the tension sensor detects the tension of the triangular conductive wire, then passes through the guide wheels, and then enters the second inner guide wheel for guiding. The routing of the triangular conductive wire is in a U shape, and finally it is evenly wound by the winding cylinder.
[0016] Optionally, in the above-described triangular conductive wire guiding device for overlapping grid battery welding, V-shaped grooves are formed on the outer surfaces of the first guide wheel, the second guide wheel and. V-shaped grooves are formed on the outer surfaces of some of the guide wheels close to the winding cylinder, and the outer surfaces of the remaining guide wheels are smooth planes. The angle of the V-shaped groove is smaller than the angle of the sharp corner of the triangular conductive wire. A solder for welding is arranged on the contact surface between the triangular conductive wire and the battery cell. High-reflection coatings are sprayed on the other two surfaces of the triangular conductive wire.
[0017] Optionally, in the above-described triangular conductive wire guiding device for overlapping grid battery welding, the battery cell adsorption platform uses a turntable type to rotate for feeding the battery cells or feeds the battery cells through a linear module.
[0018] Through the above technical solution, when the triangular conductive wire passes through the guide wheel with a smooth plane, the sharp corner position will be corrected upwards. Then, when the triangular conductive wire passes through the first guide wheel, the second guide wheel and the inside of the guide wheels, the sharp corner of the triangular conductive wire is stuck in the V-shaped groove, so that the side of the triangular conductive wire with the solder can always face the battery cell.
[0019] In summary, the present application includes at least one of the following beneficial effects:
[0020] The triangular conductive wire is released by the unwinding assembly and guided through the first guide wheel, the guide wheel group and the second guide wheel. At the same time, the first driving assembly and the second driving assembly run synchronously to drive the support rod and the support plate to move synchronously, so as to enable the triangular conductive wire to be evenly wound on the winding cylinder, and then it is convenient to uniformly weld the triangular conductive wire on the battery cells subsequently;
[0021] When the triangular conductive wire passes through the guide wheel on the smooth plane, the pointed corner position will be corrected upward. Then, when the triangular conductive wire passes through the inside of the first guide wheel, the second guide wheel, and the guide wheel, the pointed corner of the triangular conductive wire is stuck in the V-shaped groove, so that the side of the triangular conductive wire with solder can always face the battery cell, which is convenient for subsequent welding of the triangular conductive wire to the battery cell. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 is a three-dimensional structural schematic diagram of the present application;
[0023] Figure 2 is a partial three-dimensional structural schematic diagram of the present application;
[0024] Figure 3 is a front view of the first guide wheel of the present application.
[0025] In the figure: 1, the first base; 2, the second base; 4, the wire winding cylinder; 5, the battery cell adsorption platform; 6, the first driving component; 7, the support rod; 8, the unwinding component; 81, the third motor; 82, the conductive wire cylinder; 9, the first guide wheel; 10, the second driving component; 11, the support plate; 12, the guide wheel group; 121, the tension sensor; 122, the guide wheel; 123, the tension control wheel; 124, the servo motor; 125, the connecting rod; 13, the support arm; 14, the second guide wheel; 15, the V-shaped groove. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0026] The following is a further detailed description of the present application in conjunction with the Figures 1-3 accompanying drawings.
[0027] Please refer to the accompanying drawings of the specification Figure 1 , Figure 2 and Figure 3 for an embodiment provided by the present application: A triangular conductive wire guiding device for stacked grid battery welding, including the first base 1, the second base 2, and the triangular conductive wire. A wire winding cylinder 4 and a battery cell adsorption platform 5 are arranged on the top of the second base 2. The battery cell adsorption platform 5 is below the wire winding cylinder 4. The wire winding cylinder 4 is a polygonal structure. The triangular conductive wire is evenly wound on it through the wire winding cylinder 4, and then the battery cell and the wire winding cylinder 4 are butted together through the battery cell adsorption platform 5. Subsequently, the battery cell and the triangular conductive wire are welded together through a welding device.
[0028] Referring to Figure 1 , the battery cell adsorption platform 5 can feed the battery cell by driving the turntable to rotate through a motor. The battery cell adsorption platform 5 can also feed the battery cell through a linear module, and convey the battery cell to below the wire winding cylinder 4, so as to facilitate the butt welding of the battery cell and the triangular conductive wire.
[0029] The top surface of the first base 1 is provided with a first driving component 6. A support rod 7 is arranged on the first driving component 6. A unwinding component 8 is arranged on the side surface of the support rod 7. The unwinding component 8 includes a third motor 81. The third motor 81 is arranged in the middle of the support rod 7. The rotating shaft of the third motor 81 penetrates through the support rod 7 and is provided with a conductive wire cylinder 82. The third motor 81 facilitates driving the conductive wire cylinder 82 to rotate, so as to continuously release the triangular conductive wire. In this embodiment, the third motor 81 is fixedly arranged in the middle of the support rod 7. The rotating shaft of the third motor 81 penetrates through the support rod 7 and is fixedly provided with a conductive wire cylinder 82.
[0030] A first guide wheel 9 is arranged at the upper end of the support rod 7. A second driving component 10 is arranged at the top of the second base 2. A support plate 11 is arranged on the second driving component 10. Both the first driving component 6 and the second driving component 10 are linear motors. The support rod 7 is fixedly connected with the moving block of the linear motor of the first driving component 6. The support plate 11 is fixedly connected with the moving block of the linear motor of the second driving component 10. The lower end of the support rod 7 is located inside the linear motor and is fixedly connected with the moving block of the linear motor.
[0031] The signal input ends of the first driving component 6 and the second driving component 10 are electrically connected to the signal output end of the same frequency converter. The moving blocks of the linear motors of the first driving component 6 and the second driving component 10 move synchronously. The linear motor is a prior art.
[0032] A guide wheel set 12 is provided on the front side of the support plate 11. A support arm 13 is provided on the side of the support plate 11 facing the winding drum 4. A number of second guide wheels 14 are provided on the support arm 13. The guide wheel set 12 includes a tension sensor 121 and a number of guide wheels 122. The tension sensor 121 is provided at the left end of the bottom of the front side of the support plate 11. The distribution positions of the number of guide wheels 122 are provided on the front side of the support plate 11. A servo motor 124 is provided on the front side of the support plate 11. A connecting rod 125 is provided on the rotating shaft of the servo motor 124. A tension control wheel 123 is provided at the end of the connecting rod 125 away from the servo motor. By means of the servo motor 124, it is convenient to drive the connecting rod 125 and the tension control wheel 123 to deflect, so as to adjust the tension degree of the triangular conductive wire. The triangular conductive wire enters the tension sensor 121 after passing through the first guide wheel 9. At this time, the tension sensor 121 detects the tension condition of the triangular conductive wire, then passes through the guide wheel 122, and then enters the second guide wheel 14 for guiding. The wire path of the triangular conductive wire is U-shaped, and finally it is evenly wound by the winding drum 4. In this embodiment, the guide wheel set 12 is rotatably provided on the front side of the support plate 11. The support arm 13 is fixedly provided on the side of the support plate 11 facing the winding drum 4. The tension sensor 121 is fixedly provided at the left end of the bottom of the front side of the support plate 11. The distribution positions of the number of guide wheels 122 are arranged in a U-shape on the front side of the support plate 11. The servo motor 124 is fixedly provided on the front side of the support plate 11. The connecting rod 125 is fixedly provided on the rotating shaft of the servo motor 124. V-shaped grooves 15 are provided on the outer surfaces of both the first guide wheel 9 and the second guide wheel 14. V-shaped grooves 15 are provided on the outer surfaces of some of the guide wheels 122 close to the winding drum 4. The outer surfaces of the remaining guide wheels 122 are smooth planes. The angle of the V-shaped groove 15 is smaller than the angle of the sharp corner of the triangular conductive wire. Solder for welding is provided on the contact surface between the triangular conductive wire and the battery cell. High-reflection coatings are sprayed on the other two surfaces of the triangular conductive wire. When the triangular conductive wire passes through the guide wheel 122 with a smooth plane, the sharp corner position will be corrected upward. Then when the triangular conductive wire passes through the inside of the first guide wheel 9, the second guide wheel 14, and the guide wheel 122 with a V-shaped groove 15, the sharp corner of the triangular conductive wire is stuck in the V-shaped groove 15, so as to ensure that the side of the triangular conductive wire with solder can always face the battery cell, which is convenient for subsequent welding of the triangular conductive wire to the battery cell.
[0033] One end of the triangular conductive wire is wound on the unwinding assembly 8, and the other end of the triangular conductive wire is evenly wound on the winding drum 4 after passing through the first guide wheel 9, the guide wheel set 12 and the second guide wheel 14 in sequence.
[0034] Working principle: When the triangular conductive wire conductor device for stacked grid battery welding is used, the triangular conductive wire is released by the unwinding assembly 8, and guided by the first guide wheel 9, the guide wheel group 12 and the second guide wheel 14, and then wound on the winding drum 4. As the triangular conductive wire is continuously wound on the winding drum 4, the first driving assembly 6 and the second driving assembly 10 are synchronously operated to drive the support rod 7 and the support plate 11 to move synchronously, so that the triangular conductive wire can be evenly wound on the winding drum 4;
[0035] The battery cell is then fixed on the battery cell adsorption platform 5, and the positions of the battery cell grid wire and the triangular conductive wire on the winding drum 4 are aligned through visual alignment. Then the battery cell adsorption platform 5 is raised to make the battery cell grid wire and the triangular conductive wire in close contact, and then the battery cell is heated to complete the welding. After one piece of welding is completed, the winding drum 4 rotates to provide a new set of unwelded triangular conductive wires for welding the next battery cell.
[0036] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A triangular conductive wire device for welding a stacked grid battery, comprising a first base (1) and a second base (2), wherein a winding drum (4) and a battery cell adsorption platform (5) are arranged on the top of the second base (2), and the battery cell adsorption platform (5) is below the winding drum (4), characterized in that: A first driving assembly (6) is arranged on the top surface of the first base (1), a support rod (7) is arranged on the first driving assembly (6), a reeling assembly (8) is arranged on the side of the support rod (7), a first guide wheel (9) is arranged on the upper end of the support rod (7), a second driving assembly (10) is arranged on the top of the second base (2), a support plate (11) is arranged on the second driving assembly (10), a guide wheel group (12) is arranged on the front side of the support plate (11), a support arm (13) is arranged on the side of the support plate (11) facing the winding drum (4), and a plurality of second guide wheels (14) are arranged on the support arm (13).
2. The triangular conductive wire device for stacked grid battery welding according to claim 1, characterized in that: The first drive assembly (6) and the second drive assembly (10) are both linear motors, the support rod (7) is fixedly connected to a movable block of the linear motor of the first drive assembly (6), and the support plate (11) is fixedly connected to a movable block of the linear motor of the second drive assembly (10).
3. The triangular conductive wire device for welding stacked grid batteries according to claim 2, characterized in that: The signal input ends of the first drive component (6) and the second drive component (10) are electrically connected to the signal output end of the same frequency converter, and the movable blocks of the linear motors of the first drive component (6) and the second drive component (10) move synchronously.
4. The triangular conductive wire conductor device for stacked grid battery welding according to claim 1, characterized in that: The unwinding assembly (8) comprises a third motor (81), the third motor (81) being arranged in the middle of the support rod (7), the rotating shaft of the third motor (81) penetrating the support rod (7) and being provided with a conductive wire drum (82).
5. The triangular conductive wire device for welding stacked grid batteries according to claim 2, characterized in that: The lower end of the support rod (7) is located inside the linear motor and is fixedly connected to the movable block of the linear motor.
6. The triangular conductive wire device for welding stacked grid batteries according to claim 1, characterized in that: The guide wheel group (12) comprises a tension sensor (121) and a plurality of guide wheels (122); the tension sensor (121) is arranged at the left end of the bottom of the front side of the support plate (11); the plurality of guide wheels (122) are arranged in a U-shape at the front side of the support plate (11); a servo motor (124) is arranged at the front side of the support plate (11); a connecting rod (125) is arranged on the rotating shaft of the servo motor (124); and a tension control wheel (123) is arranged at one end of the connecting rod (125) away from the servo motor.
7. The triangular conductive wire device for stacked grid battery welding according to claim 6, characterized in that: The outer surfaces of the first guide wheel (9) and the second guide wheel (14) are both provided with V-shaped grooves (15); the outer surfaces of the guide wheels (122) close to the winding drum (4) are both provided with V-shaped grooves (15); the outer surfaces of the remaining guide wheels (122) are smooth planes; the angle of the V-shaped grooves (15) is smaller than the angle of the sharp angle of the triangular conductive wire (3); the contact surface of the triangular conductive wire (3) with the battery cell is provided with solder for welding; the remaining two surfaces of the triangular conductive wire (3) are sprayed with a high reflective coating.
8. The triangular conductive wire device for stacked grid battery welding according to claim 1, characterized in that: The battery cell adsorption platform (5) uses a turntable to rotate to feed the battery cells or uses a linear module to feed the battery cells.