Lithium battery welding clamp
By designing a multi-clamping lithium battery welding fixture, which utilizes springs to buffer the clamping force and cylinders to drive the clamping plates to move, the problems of battery damage and low efficiency of existing fixtures are solved, achieving efficient battery welding and loading/unloading operations.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-23
- Publication Date
- 2026-04-10
AI Technical Summary
Existing lithium battery clamps are prone to damaging batteries during clamping and can only hold one battery at a time, resulting in low welding efficiency.
A multi-clamping lithium battery welding fixture with buffering capability was designed, including a turntable, a clamping assembly and a rotating assembly. The clamping force is buffered by springs, and the clamping plate is moved by a cylinder to achieve automatic clamping and loosening, supporting the simultaneous clamping and welding of multiple battery groups.
It improved welding efficiency, reduced manpower input, avoided battery damage, and enabled continuous operation and efficient loading and unloading.
Smart Images

Figure CN224102178U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lithium battery production technical field, specifically point to a kind of lithium battery welding fixture. BACKGROUND
[0002] Lithium battery is a kind of by lithium metal or lithium alloy as positive and negative electrode material, using non-aqueous electrolyte solution battery. When welding lithium battery, it is usually necessary to use fixture to fix it, to avoid lithium battery to shake and lead to inaccurate welding point, affect the production quality of lithium battery.
[0003] But the fixture still has some deficiencies when using: the existing fixture is mostly through rigid structure to hold lithium battery, and there is no buffering or deformation compensation ability in clamping process, if the intensity of lithium battery clamping is too large, it is easy to cause damage to lithium battery;And the existing fixture can only position and fix one battery at a time, so that it needs to be stopped for a long time for welding preparation (such as taking and placing lithium battery again) each time, so as to reduce the welding efficiency. UTILITY MODEL CONTENTS
[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a lithium battery welding fixture with buffering capacity, multiple clamping stations, which helps to improve the welding efficiency.
[0005] The technical scheme adopted by the utility model is as follows: the utility model discloses a lithium battery welding fixture, which comprises a base, a turntable, a clamping assembly and a rotating assembly, a stand is arranged on the base, a center sleeve is arranged on the turntable, the turntable is rotatably connected to the stand through the center sleeve, the clamping assembly is arranged on the turntable, the clamping assembly is provided with a plurality of groups, the clamping assemblies are arranged in a ring array, and the rotating assembly is arranged on the base to drive the turntable to rotate;The clamping assembly comprises a supporting seat, a first clamping plate, a second clamping plate, a guide rod, a spring and a connecting plate, the supporting seat is fixed on the turntable, the first clamping plate is fixed on one side of the supporting seat close to the center sleeve, the guide rod is slidably connected through the first clamping plate, the guide rod is provided with two groups of guide rods, the second clamping plate is arranged on one end of the guide rod away from the center sleeve, the connecting plate is arranged on one end of the guide rod close to the center sleeve, the spring is sleeved on the guide rod, and the two ends of the spring are fixed on the first clamping plate and the connecting plate respectively, an auxiliary assembly is arranged on the stand, and the auxiliary assembly is used to drive the second clamping plate to move.
[0006] Further, the rotating assembly comprises a motor, a gear and a gear ring, the motor is arranged on the base, the gear is arranged on the output shaft of the motor, and the gear ring is sleeved on the center sleeve and engaged with the gear.
[0007] Further, the auxiliary assembly comprises a cylinder and a push plate, the cylinder is arranged on the stand, the push plate is arranged on the output shaft of the cylinder, and the push plate can contact and push the connecting plate.
[0008] Further, the bottom of the rotating disc is provided with a plurality of groups of support columns, the plurality of groups of support columns are arranged in a ring array, the bottom of the support column is rotatably provided with a ball, and the base is provided with a rolling groove, and the ball rolls in the rolling groove.
[0009] Further, the opposite side of the first clamping plate and the second clamping plate is provided with a positioning groove, and the positioning groove is provided with a rubber pad.
[0010] Further, the outer edge of the bottom of the base is provided with a fixed edge, and the fixed edge is provided with a fixed hole.
[0011] Further, the bottom of the second clamping plate is provided with a sliding block, and the top of the support seat is provided with a sliding groove, and the sliding block is slidingly arranged in the sliding groove.
[0012] The beneficial effects obtained by the above structure are as follows: the scheme is provided with a plurality of clamping assemblies, which can simultaneously clamp and fix a plurality of lithium batteries, and can simultaneously perform welding and feeding and discharging work, thereby helping to perform continuous operation and improving welding efficiency; the first clamping plate and the second clamping plate can clamp the lithium battery, and the spring can buffer the clamping force received by the lithium battery, so as to avoid damage to the lithium battery caused by excessive clamping force; the scheme is provided with an auxiliary assembly, which can push the connecting plate on the same side to move when the output end of the cylinder is extended, at this time, the second clamping plate is away from the first clamping plate and no longer clamps the lithium battery, when the output end of the cylinder is retracted, the second clamping plate approaches the first clamping plate to clamp the lithium battery under the action of the spring, the clamping and loosening of the lithium battery can be automatically completed through the above structure, manpower investment is reduced, and time and labor are saved. BRIEF DESCRIPTION OF DRAWINGS
[0013] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, together with the embodiments of the present application, to explain the present application, and do not constitute a limitation on the present application. In the drawings:
[0014] Figure 1 It is a perspective view of the embodiment of the present application;
[0015] Figure 2 It is an exploded view of the embodiment of the present application;
[0016] Figure 3 It is a front view of the embodiment of the present application;
[0017] Figure 4 It is a left view of the embodiment of the present application;
[0018] Figure 5 The top view of the embodiment of the utility model;
[0019] Figure 6 For Figure 4 The cross section along A-A section.
[0020] Wherein, 1, base, 2, turntable, 3, clamping assembly, 4, rotating assembly, 5, auxiliary assembly, 6, stand, 7, center sleeve, 8, support seat, 9, first clamping plate, 10, second clamping plate, 11, guide rod, 12, spring, 13, connecting plate, 14, motor, 15, gear, 16, gear ring, 17, cylinder, 18, push plate, 19, strut, 20, ball, 21, rolling groove, 22, positioning groove, 23, rubber pad, 24, fixed edge, 25, fixed hole, 26, sliding slot. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0022] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0023] As Figures 1-6The utility model discloses a lithium battery welding fixture, including base 1, carousel 2, clamping assembly 3 and rotating assembly 4, be equipped with riser 6 on base 1, be equipped with center sleeve 7 on carousel 2, carousel 2 is rotated and is connected on riser 6 through center sleeve 7, clamping assembly 3 is located on carousel 2, clamping assembly 3 is equipped with several groups, several groups clamping assembly 3 is annular array distribution, rotating assembly 4 is located on base 1 and is used for driving carousel 2 rotation, carousel 2 bottom is equipped with several groups of struts 19, and several groups of struts 19 are annular array distribution, and the bottom rolling of strut 19 is equipped with ball 20, and base 1 is equipped with rolling groove 21, and ball 20 rolls in rolling groove 21, and through several groups of struts 19 can support carousel 2, to better guarantee the stability of carousel 2, the outer edge of base 1 bottom is equipped with fixed edge 24, and fixed edge 24 is equipped with fixed hole 25, and through fixed edge 24 and fixed hole 25, the fixture is conveniently installed and fixed.
[0024] Clamping assembly 3 includes support seat 8, first clamping plate 9, second clamping plate 10, guide rod 11, spring 12 and connecting plate 13, support seat 8 is fixed on carousel 2, first clamping plate 9 is fixed on support seat 8 on the side close to center sleeve 7, guide rod 11 is slidably penetrated through first clamping plate 9, guide rod 11 is symmetrically equipped with two groups, second clamping plate 10 is located on the end of guide rod 11 away from center sleeve 7, connecting plate 13 is located on the end of guide rod 11 close to center sleeve 7, spring 12 is sleeved on guide rod 11, and the two ends of spring 12 are fixed on first clamping plate 9 and connecting plate 13 respectively, and auxiliary assembly 5 is arranged on riser 6, and auxiliary assembly 5 is used to drive second clamping plate 10 to move, and the opposite side of first clamping plate 9 and second clamping plate 10 is equipped with positioning groove 22, and rubber pad 23 is arranged in positioning groove 22, and rubber pad 23 can protect lithium battery while clamping, and the bottom of second clamping plate 10 is equipped with sliding block, and the top of support seat 8 is equipped with sliding slot 26, and the sliding block is slidably arranged in the sliding slot 26.
[0025] Rotating assembly 4 includes motor 14, gear 15 and gear ring 16, motor 14 is arranged on base 1, gear 15 is arranged on the output shaft of motor 14, gear ring 16 is sleeved on center sleeve 7 and is engaged with gear 15.
[0026] Auxiliary assembly 5 includes air cylinder 17 and push plate 18, air cylinder 17 is arranged on riser 6, push plate 18 is arranged on the output shaft of air cylinder 17, and push plate 18 can contact and push connecting plate 13.
[0027] In specific use, first fix the lithium battery on the clamping assembly 3, when fixing the lithium battery, start the air cylinder 17, so that the output end of the air cylinder 17 extends outward, pushes the connecting plate 13 on the same side to move, the connecting plate 13 drives the second clamping plate 10 to move through the guide rod 11, then put the lithium battery into the positioning groove 22 on the first clamping plate 9, then make the output end of the air cylinder 17 retract, so that the second clamping plate 10 approaches the first clamping plate 9 under the action of the spring 12, thereby clamping the lithium battery between the first clamping plate 9 and the positioning groove 22 of the second clamping plate 10, so as to realize the clamping and fixing of the lithium battery. After fixing a group of lithium batteries, start the motor 14, drive the gear 15 to rotate through the motor 14, drive the gear ring 16 to rotate through the gear 15, drive the center sleeve 7 and the rotating disc 2 to rotate through the gear ring 16, thereby driving the clamping assembly 3 to rotate, and then repeat the above operation to clamp another group of lithium batteries.
[0028] Through the plurality of clamping assemblies 3, a plurality of groups of lithium batteries can be clamped and fixed at the same time, while one group of lithium batteries is being welded, the staff can take down the welded lithium battery and place a new lithium battery, so that continuous operation can be realized, which helps to improve the welding efficiency.
[0029] In summary, the scheme has a plurality of clamping assemblies 3, which can clamp and fix a plurality of groups of lithium batteries at the same time, and can simultaneously perform welding and feeding and discharging work, thereby helping to perform continuous operation and improving the welding efficiency; the first clamping plate 9 and the second clamping plate 10 can clamp the lithium battery, and the spring 12 can buffer the clamping force received by the lithium battery, so as to avoid damage to the lithium battery caused by excessive clamping force; the auxiliary assembly 5 is provided, when the output end of the air cylinder 17 extends outward, it can push the connecting plate 13 on the same side to move, at this time the second clamping plate 10 is away from the first clamping plate 9 and no longer clamps the lithium battery, when the output end of the air cylinder 17 retracts, the second clamping plate 10 approaches the first clamping plate 9 under the action of the spring 12 to clamp the lithium battery, through the above structure, the clamping and loosening of the lithium battery can be automatically completed, which reduces the labor input and saves time and effort.
[0030] It should be noted that, in this text, relational terms such as first and second and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between or among the entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover non-exclusive inclusions, so that a process, method, article, or device that includes a list of elements not only includes those elements, but also includes other elements not explicitly listed, or inherent to such a process, method, article, or device.
[0031] The basic principle and main features of the present application and the advantages of the present application are shown and described above. For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.
[0032] In addition, it should be understood that, although the present application is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.
Claims
1. A lithium battery welding clamp, comprising a base (1), a rotating disc (2), a clamping assembly (3) and a rotating assembly (4), a stand (6) is arranged on the base (1), a center sleeve (7) is arranged on the rotating disc (2), the rotating disc (2) is rotatably sleeved on the stand (6) through the center sleeve (7), and the clamping assembly (3) is arranged on the rotating disc (2), characterized in that: The clamping assembly (3) is provided with a plurality of groups, and the plurality of groups of clamping assemblies (3) are arranged in an annular array, and the rotating assembly (4) is arranged on the base (1) and used for driving the rotating disc (2) to rotate; The clamping assembly (3) comprises a support seat (8), a first clamping plate (9), a second clamping plate (10), a guide rod (11), a spring (12) and a connecting plate (13), the support seat (8) is fixed on the rotating disc (2), the first clamping plate (9) is fixed on one side of the support seat (8) close to the center sleeve (7), the guide rod (11) is slidably penetrated through the first clamping plate (9), the guide rod (11) is provided with two groups of guide rods (11) symmetrically, the second clamping plate (10) is arranged on one end of the guide rod (11) away from the center sleeve (7), the connecting plate (13) is arranged on one end of the guide rod (11) close to the center sleeve (7), the spring (12) is sleeved on the guide rod (11), and the two ends of the spring (12) are fixed on the first clamping plate (9) and the connecting plate (13) respectively, the auxiliary assembly (5) is arranged on the stand (6), and the auxiliary assembly (5) is used for driving the second clamping plate (10) to move.
2. The lithium battery welding fixture of claim 1, wherein: The rotating assembly (4) comprises a motor (14), a gear (15) and a gear ring (16), the motor (14) is arranged on the base (1), the gear (15) is arranged on the output shaft of the motor (14), and the gear ring (16) is sleeved on the center sleeve (7) and is in meshing connection with the gear (15).
3. The lithium battery welding fixture of claim 1, wherein: The auxiliary assembly (5) comprises a cylinder (17) and a push plate (18), the cylinder (17) is arranged on the stand (6), and the push plate (18) is arranged on the output shaft of the cylinder (17). The push plate (18) can contact the connecting plate (13) and push the connecting plate (13).
4. The lithium battery welding fixture of claim 1, wherein: The rotating disc (2) is provided with a plurality of groups of support columns (19), and the plurality of groups of support columns (19) are arranged in an annular array, the bottom of the support column (19) is provided with a plurality of groups of rolling balls (20), and the base (1) is provided with a rolling groove (21), and the rolling ball (20) rolls in the rolling groove (21).
5. The lithium battery welding fixture of claim 1, wherein: The opposite sides of the first clamping plate (9) and the second clamping plate (10) are provided with positioning grooves (22), and the positioning grooves (22) are provided with rubber pads (23).
6. The lithium battery welding fixture of claim 1, wherein: The outer edge of the bottom of the base (1) is provided with a fixed edge (24), and the fixed edge (24) is provided with a fixed hole (25).
7. The lithium battery welding fixture of claim 1, wherein: The bottom of the second clamping plate (10) is provided with a sliding block, and the top of the support seat (8) is provided with a sliding groove (26), and the sliding block is slidably arranged in the sliding groove (26).