Positioning, clamping and welding jig for cylindrical battery cell top cover
By designing a top cover positioning and clamping welding fixture for cylindrical battery cells, and using a rotating shaft and transmission system to automatically adjust the relative position of the battery cover and the battery cell shell, the problems of simple structure and cumbersome welding process in the prior art are solved, improving the practicality of the fixture and reducing production costs.
Patent Information
- Application Number
- CN202420919132.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-04-29
AI Technical Summary
The existing welding fixtures for cylindrical battery cell top cover positioning clamping are simple in structure, and it is difficult to adjust the relative position of the fixture according to the size of the battery cell, which cannot meet complex processing needs, affect practicality, and the welding process is cumbersome, which increases production costs.
A cylindrical battery cell top cover positioning clamping welding tool is designed, and the rotation shaft rotatingly connected to the rotating support block is used as the fixed structure of the battery cell shell. The sliding cylinder drives the compression shaft to slide, fixes the battery cell cover on the battery cell shell, and automatically adjusts the rotation angle between the battery cell cover and the battery cell shell through the transmission system.
The relative position of the battery cell housing and the battery cell cover is realized according to the battery size, which meets complex processing needs, improves the practicality of the fixture, and simplifies the welding process by automatically adjusting the angle, reducing production costs.
Smart Images

Figure CN222626773U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cylindrical battery core welding jigs, in particular to a cylindrical battery core top cover positioning and clamping welding jig. Background Art
[0002] A cylindrical battery cell welding jig is a special tool used in the cylindrical battery cell welding process. Its main purpose is to achieve convenient, accurate and efficient battery cell welding operations. The cylindrical battery cell is mainly composed of a battery cell end cover connected to a battery cell shell to form a main structure. However, the existing cylindrical battery cell top cover positioning and clamping welding jigs have a simple structure and are mostly designed according to the production size. It is difficult to adjust the relative position between the fixings in the jig according to the size of the battery cell, and it is difficult to meet the complex actual processing needs, which affects the practicality of the jig. In addition, the jig welding process requires manual adjustment of the clamping angle for integrated welding. The welding process is cumbersome and increases the production cost of the battery cell. Therefore, it is necessary to design a cylindrical battery cell top cover positioning and clamping welding jig. Utility Model Content
[0003] The utility model aims to provide a cylindrical battery cell top cover positioning clamping welding jig to solve the problems that the existing cylindrical battery cell top cover positioning clamping welding jigs have a simple structure and are mostly designed according to the production size, and it is difficult to adjust the relative positions between the fixing parts in the jig according to the size of the battery cell, and it is difficult to meet the complex actual processing requirements, which affects the practicality of the jig; and the jig welding process needs to be manually adjusted with the clamping angle for integrated welding, the welding process is cumbersome, and the production cost of the battery cell is increased.
[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a cylindrical battery top cover positioning clamping welding fixture, including a base plate, a rotating assembly, a support mounting seat, a rotating support block, a positioning shaft, a support assembly, a clamping assembly, a battery housing, a sensor body, a bearing fixing seat, an end cover connecting plate, a connecting end cover, an end cover shaft, a battery cover and an annular magnet, a motor support in the rotating assembly is provided at a top corner of the base plate, a transmission motor is fixedly connected to one side of the motor support, a first roller is fixedly connected to the output end of the transmission motor, the first roller is connected to the second roller by a belt, the second roller is fixedly sleeved on the synchronous shaft, and the synchronous shaft is connected by a bearing. It is connected to the support mounting seat, the support mounting seat is fixed on the top of the base plate, and the two ends of the synchronous shaft are respectively fixedly sleeved with the third roller and the fifth roller, the third roller is connected to the fourth roller through a belt, and the fourth roller is connected to the rotating shaft through a flat key, and the rotating shaft is rotatably connected to the rotating support block through a bearing; the fifth roller is connected to the sixth roller through a belt, the sixth roller is sleeved on the adapter sleeve, the adapter sleeve is sleeved on the clamping shaft in the clamping assembly, one end of the clamping shaft is sleeved in the bearing fixing block through a bearing, the bearing fixing block is fixed on one side of the clamping mounting plate, the clamping mounting plate is fixed on the cylinder connecting plate, and the cylinder connecting plate is fixedly connected to the output end of the sliding cylinder.
[0005] As a further technical solution of the utility model, the rotating assembly is composed of a motor support, a transmission motor, a first roller, a second roller, a synchronous shaft, a third roller, a fourth roller, a fifth roller, a rotating shaft, a closing cover, a sixth roller and an adapter sleeve; washers are symmetrically arranged on the rotating shaft, and the washers are fitted on both sides of the fifth roller, a positioning shaft is fixedly connected to the rotating shaft, and a battery cell housing is sleeved on the positioning shaft.
[0006] As a further technical solution of the utility model, the rotating support block is fixedly connected to one side of the bottom of the closed cover by screws, and the other side of the bottom of the closed cover is fixedly connected to the motor support by screws, and the third roller and the fourth roller are both located inside the closed cover.
[0007] As a further technical solution of the utility model, a cylinder mounting plate in a support assembly is arranged on the top of the base plate, and the support assembly is composed of a cylinder mounting plate, a finger cylinder, a roller mounting seat and a rubber-coated bearing. A sensor body is arranged on the top of the base plate, and the sensor body is located between the rotating support block and the cylinder mounting plate, and the rotating support block is fixed on the top of the base plate.
[0008] As a further technical solution of the utility model, a finger cylinder is arranged on the top of the cylinder mounting plate, and the output end of the finger cylinder is fixedly connected to a roller mounting seat, and a rubber-coated bearing is rotatably connected to the roller mounting seat through a shoulder screw, and the rubber-coated bearing is rollingly connected to the bottom of the battery cell housing.
[0009] As a further technical solution of the utility model, the adapter sleeve is connected to the bearing fixing seat through a bearing, and the bearing fixing seat is fixed on the top of the base plate.
[0010] As a further technical solution of the utility model, the other end of the clamping shaft is fixedly connected to an end cover connecting plate, a connecting end cover is sleeved on one side of the end cover connecting plate, an end cover shaft is sleeved in a through hole opened on the connecting end cover, the end cover shaft is located between the end cover connecting plate and the connecting end cover, a battery cell cover is arranged on one side of the connecting end cover, and an annular magnet is arranged on the battery cell cover.
[0011] As a further technical solution of the utility model, the clamping assembly consists of a clamping shaft, a clamping mounting plate, a bearing fixing block, a cylinder connecting plate, a sliding cylinder and a cylinder fixing plate. The cylinder connecting plate is slidably connected to the top of the sliding cylinder, and the sliding cylinder is fixed on the cylinder fixing plate, and the cylinder fixing plate is fixed on the top of the base plate.
[0012] The utility model provides a cylindrical battery top cover positioning clamping welding fixture, which has the advantages that: a rotating shaft rotatably connected to a rotating support block is used as a fixing structure of a battery shell, and a connecting end cover and an end cover shaft fixed on a clamping shaft are used as fixing structures of a battery cover; during processing, a sliding cylinder drives a sliding cylinder and a clamping mounting plate to move so that the clamping shaft slides on a bearing fixing seat, and the battery cover is fixed on the battery shell, so that the relative position of the battery shell fixing structure and the battery cover fixing structure can be adjusted according to the size of the battery, which meets complex actual processing requirements and improves the practicality of the fixture; after the battery cover is docked with the battery shell, a transmission motor drives a first roller to rotate, and the first roller drives a third roller and a fifth roller at two ends of a synchronous shaft to rotate synchronously through a belt, and the third roller and the fifth roller are respectively connected to a fourth roller and a sixth roller through a belt, so as to synchronously drive the rotating shaft and the adapter sleeve to rotate, and automatically adjust the rotation angle of the battery cover and the battery shell, without manual participation, and the transmission is simple and stable, thereby reducing the production cost of battery processing. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0014] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;
[0015] Figure 2 for Figure 1 A partial enlarged view of the middle A area;
[0016] Figure 3 for Figure 1 A partial enlarged view of the middle B area;
[0017] Figure 4 It is an exploded view of the overall structure of the utility model;
[0018] Figure 5 It is the overall structural rear view of the utility model.
[0019] In the figure: 1, bottom plate; 2, rotating assembly; 3, support mounting seat; 4, rotating support block; 5, positioning shaft; 6, supporting assembly; 7, clamping assembly; 8, battery housing; 9, sensor body; 10, bearing fixing seat; 11, end cover connecting plate; 12, connecting end cover; 13, end cover shaft; 14, battery cover; 15, annular magnet; 21, motor support; 22, transmission motor; 23, first roller; 24, second roller; 25. Synchronous shaft; 26. Third roller; 27. Fourth roller; 28. Fifth roller; 29. Rotating shaft; 30. Enclosing cover; 31. Sixth roller; 32. Adapter sleeve; 61. Cylinder mounting plate; 62. Finger cylinder; 63. Roller mounting seat; 64. Rubber-coated bearing; 71. Clamping shaft; 72. Clamping mounting plate; 73. Bearing fixing block; 74. Cylinder connecting plate; 75. Sliding cylinder; 76. Cylinder fixing plate. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0022] See also Figure 1-5The utility model provides an embodiment: a cylindrical battery top cover positioning clamping welding fixture, including a base plate 1, a rotating component 2, a support mounting seat 3, a rotating support block 4, a positioning shaft 5, a support component 6, a clamping component 7, a battery shell 8, a sensor body 9, a bearing fixing seat 10, an end cover connecting plate 11, a connecting end cover 12, an end cover shaft 13, a battery cover 14 and an annular magnet 15. A motor support 21 in the rotating component 2 is arranged at a corner of the top of the base plate 1, a transmission motor 22 is fixedly connected to one side of the motor support 21, and a first roller 23 is fixedly connected to the output end of the transmission motor 22. The first roller 23 is connected to the second roller 24 through a belt, and the second roller 24 is fixedly sleeved on the synchronous shaft 25. The synchronous shaft 25 is connected to the support mounting seat 3 through a bearing, and the support mounting seat 3 is fixed to the top of the base plate 1. The two ends of the synchronous shaft 25 are respectively fixedly sleeved with a third roller 26 and a fifth roller 28 The third roller 26 is connected to the fourth roller 27 through a belt, and the fourth roller 27 is connected to the rotating shaft 29 through a flat key, and the rotating shaft 29 is rotatably connected to the rotating support block 4 through a bearing; the fifth roller 28 is connected to the sixth roller 31 through a belt, and the sixth roller 31 is sleeved on the adapter sleeve 32, and the adapter sleeve 32 is sleeved on the clamping shaft 71 in the clamping assembly 7, and one end of the clamping shaft 71 is sleeved in the bearing fixing block 73 through a bearing. The bearing fixing block 73 is fixed on one side of the clamping mounting plate 72, the clamping mounting plate 72 is fixed on the cylinder connecting plate 74, the cylinder connecting plate 74 is fixedly connected to the output end of the sliding cylinder 75, and the rotating assembly 2 is composed of a motor support 21, a transmission motor 22, a first roller 23, a second roller 24, a synchronous shaft 25, a third roller 26, a fourth roller 27, a fifth roller 28, a rotating shaft 29, a closing cover 30, a sixth roller 31 and an adapter sleeve 32;Washers are symmetrically arranged on the rotating shaft 29, and the washers are fitted on both sides of the fifth roller 28. The rotating shaft 29 is fixedly connected with a positioning shaft 5, and the positioning shaft 5 is sleeved with a battery housing 8. The rotating support block 4 is fixedly connected to one side of the bottom of the closed cover 30 by screws, and the other side of the bottom of the closed cover 30 is fixedly connected to the motor support 21 by screws. The third roller 26 and the fourth roller 27 are both located inside the closed cover 30. The top of the bottom plate 1 is provided with a cylinder mounting plate 61 in the support assembly 6. The support assembly 6 consists of The cylinder mounting plate 61, the finger cylinder 62, the roller mounting seat 63 and the rubber-coated bearing 64 are composed. The sensor body 9 is arranged on the top of the bottom plate 1, and the sensor body 9 is located between the rotating support block 4 and the cylinder mounting plate 61. The rotating support block 4 is fixed on the top of the bottom plate 1. The finger cylinder 62 is arranged on the top of the cylinder mounting plate 61. The output end of the finger cylinder 62 is fixedly connected to the roller mounting seat 63. The roller mounting seat 63 is rotatably connected to the rubber-coated bearing 64 through the shoulder screw. The rubber-coated bearing 64 is rollingly connected to the battery cell. At the bottom of the housing 8, the adapter sleeve 32 is connected to the bearing fixing seat 10 through the bearing fit, the bearing fixing seat 10 is fixed to the top of the bottom plate 1, and the other end of the clamping shaft 71 is fixedly connected to the end cover connecting plate 11, and the connecting end cover 12 is sleeved on one side of the end cover connecting plate 11. The end cover shaft 13 is sleeved in the through hole opened on the connecting end cover 12. The end cover shaft 13 is located between the end cover connecting plate 11 and the connecting end cover 12. The end cover shaft 13 serves as the connecting part between the end cover connecting plate 11 and the connecting end cover 12, which improves the tightness of the connection. A cell cover 14 is provided on one side of the connecting end cover 12, and a ring magnet 15 is provided on the cell cover 14. The clamping assembly 7 is composed of a clamping shaft 71, a clamping mounting plate 72, a bearing fixing block 73, a cylinder connecting plate 74, a sliding cylinder 75 and a cylinder fixing plate 76. The cylinder connecting plate 74 is slidably connected to the top of the sliding cylinder 75, and the sliding cylinder 75 is fixed on the cylinder fixing plate 76. The cylinder fixing plate 76 is fixed on the top of the bottom plate 1, and the cylinder fixing plate 76 is used to fix the sliding cylinder 75 on the top of the bottom plate 1;
[0023] Specifically, when in use, first, the rotating shaft 29 rotatably connected to the rotating support block 4 is used as the fixed structure of the battery cell housing 8, and the connecting end cover 12 and the end cover shaft 13 fixed on the clamping shaft 71 are used as the fixed structure of the battery cell cover 14. During the processing, the sliding cylinder 75 drives the sliding cylinder 75 and the clamping mounting plate 72 to move so that the clamping shaft 71 slides on the bearing fixing seat 10, and the battery cell cover 14 is fixed on the battery cell housing 8, which is convenient for adjusting the relative position of the fixed structure of the battery cell housing 8 and the fixed structure of the battery cell cover 14 according to the size of the battery, meeting the complex practical requirements. The processing requirements are met, which improves the practicability of the fixture; after the battery cover 14 is docked with the battery shell 8, the first roller 23 is driven to rotate by the transmission motor 22, and the first roller 23 drives the third roller 26 and the fifth roller 28 at both ends of the synchronous shaft 25 to rotate synchronously through the belt, and the third roller 26 and the fifth roller 28 are respectively connected to the fourth roller 27 and the sixth roller 31 through the belt, and then synchronously drive the rotating shaft 29 and the adapter sleeve 32 to rotate, and automatically adjust the rotation angle of the battery cover 14 and the battery shell 8, without manual participation, the transmission is simple and stable, and the production cost of battery processing is reduced.
[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0025] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the present embodiment. Those skilled in the art may understand and implement the present invention without creative effort.
[0026] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.
Claims
1. A cylindrical battery top cover positioning clamping welding fixture, comprising a base plate (1), a rotating assembly (2), a support mounting seat (3), a rotating support block (4), a positioning shaft (5), a supporting assembly (6), a clamping assembly (7), a battery housing (8), a sensor body (9), a bearing fixing seat (10), an end cover connecting plate (11), a connecting end cover (12), an end cover shaft (13), a battery cover (14) and an annular magnet (15), characterized in that: A motor support (21) in the rotating assembly (2) is arranged at a corner of the top of the base plate (1); a transmission motor (22) is fixedly connected to one side of the motor support (21); a first roller (23) is fixedly connected to the output end of the transmission motor (22); the first roller (23) is connected to the second roller (24) by means of a belt; the second roller (24) is fixedly sleeved on a synchronous shaft (25); the synchronous shaft (25) is connected to the support mounting seat (3) by means of a bearing; the support mounting seat (3) is fixed on the top of the base plate (1); a third roller (26) and a fifth roller (28) are fixedly sleeved on both ends of the synchronous shaft (25); the third roller (26) is connected to the fourth roller (24) by means of a belt; 27), and the fourth roller (27) is connected to the rotating shaft (29) through a flat key, and the rotating shaft (29) is rotatably connected to the rotating support block (4) through a bearing; the fifth roller (28) is connected to the sixth roller (31) through a belt, the sixth roller (31) is sleeved on the adapter sleeve (32), the adapter sleeve (32) is sleeved on the clamping shaft (71) in the clamping assembly (7), one end of the clamping shaft (71) is sleeved in the bearing fixing block (73) through a bearing, the bearing fixing block (73) is fixed to one side of the clamping mounting plate (72), the clamping mounting plate (72) is fixed to the cylinder connecting plate (74), and the cylinder connecting plate (74) is fixedly connected to the output end of the sliding cylinder (75).
2. A cylindrical battery top cover positioning clamping welding fixture according to claim 1, characterized in that: The rotating assembly (2) is composed of a motor support (21), a transmission motor (22), a first roller (23), a second roller (24), a synchronous shaft (25), a third roller (26), a fourth roller (27), a fifth roller (28), a rotating shaft (29), a sealing cover (30), a sixth roller (31) and an adapter sleeve (32); washers are symmetrically arranged on the rotating shaft (29), and the washers are fitted on both sides of the fifth roller (28); a positioning shaft (5) is fixedly connected to the rotating shaft (29), and a battery cell housing (8) is sleeved on the positioning shaft (5).
3. A cylindrical battery top cover positioning clamping welding jig according to claim 1, characterized in that: The rotating support block (4) is fixedly connected to one side of the bottom of the closed cover (30) by means of screws, and the other side of the bottom of the closed cover (30) is fixedly connected to the motor support (21) by means of screws, and the third roller (26) and the fourth roller (27) are both located inside the closed cover (30).
4. A cylindrical battery top cover positioning clamping welding fixture according to claim 1, characterized in that: The top of the base plate (1) is provided with a cylinder mounting plate (61) in a support assembly (6), and the support assembly (6) is composed of a cylinder mounting plate (61), a finger cylinder (62), a roller mounting seat (63) and a rubber-coated bearing (64). The top of the base plate (1) is provided with a sensor body (9), and the sensor body (9) is located between a rotating support block (4) and the cylinder mounting plate (61), and the rotating support block (4) is fixed on the top of the base plate (1).
5. A cylindrical battery top cover positioning clamping welding jig according to claim 4, characterized in that: A finger cylinder (62) is arranged on the top of the cylinder mounting plate (61); the output end of the finger cylinder (62) is fixedly connected to a roller mounting seat (63); a rubber-coated bearing (64) is rotatably connected to the roller mounting seat (63) via a shoulder screw; and the rubber-coated bearing (64) is rollingly connected to the bottom of the battery cell housing (8).
6. A cylindrical battery top cover positioning clamping welding jig according to claim 2, characterized in that: The adapter sleeve (32) is connected to the bearing fixing seat (10) through a bearing fit, and the bearing fixing seat (10) is fixed on the top of the base plate (1).
7. A cylindrical battery top cover positioning clamping welding jig according to claim 1, characterized in that: The other end of the clamping shaft (71) is fixedly connected to an end cover connecting plate (11); a connecting end cover (12) is sleeved on one side of the end cover connecting plate (11); an end cover shaft (13) is sleeved in a through hole provided on the connecting end cover (12); the end cover shaft (13) is located between the end cover connecting plate (11) and the connecting end cover (12); a cell cover (14) is provided on one side of the connecting end cover (12); and a ring magnet (15) is provided on the cell cover (14).
8. The cylindrical battery top cover positioning clamping welding fixture according to claim 1, characterized in that: The clamping assembly (7) is composed of a clamping shaft (71), a clamping mounting plate (72), a bearing fixing block (73), a cylinder connecting plate (74), a sliding cylinder (75) and a cylinder fixing plate (76); the cylinder connecting plate (74) is slidably connected to the top of the sliding cylinder (75), and the sliding cylinder (75) is fixed on the cylinder fixing plate (76); and the cylinder fixing plate (76) is fixed to the top of the base plate (1).