Mechanism for welding press claw on nickel sheet of soft package battery

Abstract

The utility model belongs to the technical field of battery processing, and discloses a soft package battery nickel sheet welding pressing claw mechanism which comprises a lifting driving piece and an adjustable nickel sheet pressing claw piece. The adjustable nickel sheet pressing claw piece comprises a vertical plate, a rotating cylinder, a pressing claw connecting plate, a pressing claw fixing plate, a self-adaptive spring and a pressing claw main body; the rotating air cylinder is fixedly arranged on the vertical plate, the pressing claw connecting plate is fixedly installed at the output end of the rotating air cylinder, the pressing claw fixing plate is installed on the pressing claw connecting plate, the pressing claw fixing plate can conduct angle adjustment on the vertical plane, the pressing claw body is rotationally arranged on the pressing claw fixing plate, and the self-adaptive springs are arranged on the two sides of the top of the pressing claw body. According to the mechanism for welding the press claw on the nickel sheet of the soft package battery, the angle of the press claw fixing plate is adjusted by loosening and tightening the mounting stud, and meanwhile, the press claw main body can be adaptively adjusted when the nickel sheet is pressed through the adaptive spring, so that the nickel sheet is pressed in multi-angle directions.

Description

Technical Field

[0001] The utility model relates to battery processing, in particular to a mechanism for welding and pressing claws of nickel sheets of a soft-pack battery. Background Art

[0002] As the new energy vehicle industry has become an important support for the country's economic boost, the demand for new energy vehicles at home and abroad has shown an explosive growth, thus driving the gradual expansion of the demand for power batteries of new energy vehicles. The traditional manual welding method can no longer meet the requirements of product quality and production capacity. There are welds between the bus bar and the nickel sheet during the welding process, which are likely to cause defects in the welding seams.

[0003] In the prior art, all are mechanisms for welding the electrode tabs and nickel sheets of batteries placed horizontally or vertically. When designing such a welding mechanism, only the pressing method, pressing force, and laser welding path need to be considered to achieve a stable welding process for overlapping nickel sheets on the terminal board. However, in large soft-pack batteries, since the nickel sheets of the battery cells and the bus bar overlap at an inclined angle, the laser beam cannot irradiate vertically for welding, and the welding space is narrow, there are many defects: for example, it is impossible for human hands to weld the nickel sheets of the battery cells in a narrow space, the bus bar overlaps at a 45-degree angle, and the incident angle of the laser device also needs to be considered. Summary of the Utility Model

[0004] The main purpose of the present invention is to provide a mechanism for welding and pressing claws of nickel sheets of a soft-pack battery, aiming to solve the problems that in large soft-pack batteries, since the nickel sheets of the battery cells and the bus bar overlap at an inclined angle, the laser beam cannot irradiate vertically for welding, and at the same time, the welding space is narrow and it is not convenient to weld the nickel sheets of the battery cells in a narrow space.

[0005] To achieve the above-mentioned invention purpose, the utility model in the first aspect provides a mechanism for welding and pressing claws of nickel sheets of a soft-pack battery, including a lifting driving member and an adjustable nickel sheet pressing claw member installed at the bottom of the lifting driving member. The adjustable nickel sheet pressing claw member includes a vertical plate, a rotary cylinder, a claw connecting plate, a claw fixing plate, and a claw main body.

[0006] The rotary cylinder is fixedly arranged on the vertical plate. The claw connecting plate is fixedly installed at the output end of the rotary cylinder. The claw fixing plate is rotatably connected to the claw connecting plate. The claw main body is fixedly arranged on the outer surface of the claw fixing plate.

[0007] Adaptive springs are arranged on both sides of the claw fixing plate.

[0008] Preferably, the lifting driving member includes a lifting servo motor, a lifting slide rail, a mounting support, and a lifting lead screw. The lifting slide rail is slidably disposed inside the mounting support. The lifting servo motor is fixedly disposed on the top of the lifting slide rail. The lifting lead screw is connected to the output end of the lifting servo motor. The lifting lead screw is threadedly connected inside the mounting support. The vertical plate is mounted at the bottom end of the lifting slide rail.

[0009] Preferably, a linear bearing is fixedly installed inside the mounting support, and the lifting slide rail is movably inserted into the linear bearing.

[0010] Preferably, a slider seat is fixedly installed in the middle of the mounting support, and the lifting lead screw is threadedly connected inside the slider seat.

[0011] Preferably, a support carrier plate is fixedly disposed on the top of the lifting slide rail. A support rod is fixedly installed on the top of the support carrier plate. A motor mounting plate is fixedly disposed on the top of the support rod. The lifting servo motor is fixedly installed on the top of the motor mounting plate.

[0012] Preferably, a coupling is provided on the lower surface of the motor mounting plate. The output end of the lifting servo motor is fixedly installed with the lifting lead screw through the coupling.

[0013] Preferably, the bottom end of the lifting lead screw is rotatably connected to a lead screw support seat. A horizontal support plate is fixedly installed on the top of the vertical plate. The lead screw support seat is fixedly disposed on the top of the horizontal support plate.

[0014] Preferably, a mounting stud is fixedly provided on the claw connecting plate, and the claw fixing plate is rotatably connected to the outer surface of the mounting stud.

[0015] Preferably, an assembly groove is formed in the middle of the claw connecting plate. The claw fixing plate is rotatably connected in the assembly groove. The opposite ends of the two groups of adaptive springs are fixedly connected to the inner wall of the assembly groove. The opposite ends of the two groups of adaptive springs abut against both sides of the claw connecting plate.

[0016] Preferably, dust removal nozzles are provided opposite to each other on the outer side surface of the claw body.

[0017] Beneficial effects:

[0018] For the mechanism of the nickel sheet welding claw of the soft-pack battery of the present utility model, the adaptive spring enables the claw fixing plate to perform a small-angle torsion on the outer surface of the mounting stud, so that the claw body can be adjusted adaptively in angle. When in use, the claw body is driven to rotate by a rotary cylinder to realize the pressing of the nickel sheet in multiple angular directions. Description of the Drawings

[0019] Figure 1It is a schematic diagram of the overall outer surface structure of an embodiment of the present utility model;

[0020] Figure 2 It is a schematic diagram of the overall side structure of an embodiment of the present utility model;

[0021] Figure 3 It is a schematic diagram of an adjustable nickel sheet pressing claw member of an embodiment of the present utility model.

[0022] Wherein:

[0023] 1 - Lifting drive member; 11 - Lifting servo motor; 12 - Motor mounting plate; 13 - Coupling; 14 - Support rod; 15 - Support carrier plate; 16 - Lifting slide rail; 17 - Mounting support; 18 - Slide block seat; 19 - Linear bearing; 110 - Lifting lead screw; 111 - Lead screw support seat; 112 - Horizontal support plate; 2 - Adjustable nickel sheet pressing claw member; 21 - Vertical plate; 22 - Rotary cylinder; 23 - Pressing claw connecting plate; 24 - Pressing claw fixing plate; 25 - Adaptive spring; 26 - Pressing claw body; 27 - Dust removal nozzle; 28 - Mounting stud.

[0024] The realization, functional features and advantages of the purpose of the present utility model will be further described with reference to the embodiments and the accompanying drawings. Specific embodiments

[0025] It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0026] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, "a plurality" means two or more unless otherwise specifically defined.

[0027] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" 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, a direct connection, or an indirect connection through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] In the present utility model, unless otherwise clearly specified and defined, the first feature being "above" or "below" the second feature may include direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through additional features therebetween. Moreover, the first feature being "above", "over", and "on top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "below", "beneath", and "underneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0029] Referring to Figure 1 , an embodiment of the present utility model provides a mechanism for a nickel sheet welding pressure claw of a soft-pack battery, which includes a lifting driving member 1 and an adjustable nickel sheet pressure claw member 2 installed at the bottom of the lifting driving member 1. The adjustable nickel sheet pressure claw member 2 includes a vertical plate 21, a rotary cylinder 22, a pressure claw connecting plate 23, a pressure claw fixing plate 24, and a pressure claw main body 26;

[0030] The rotary cylinder 22 is fixedly arranged on the vertical plate 21. The pressure claw connecting plate 23 is fixedly installed at the output end of the rotary cylinder 22. The pressure claw fixing plate 24 is rotatably connected to the pressure claw connecting plate 23. The pressure claw main body 26 is fixedly installed on the outer surface of the pressure claw fixing plate 24;

[0031] Adaptive springs 25 are arranged on both sides of the pressure claw fixing plate 24.

[0032] An installation stud 28 is fixedly arranged on the pressure claw connecting plate 23. The pressure claw fixing plate 24 is rotatably connected to the outer surface of the installation stud 28.

[0033] An assembly groove is formed in the middle of the pressure claw connecting plate 23. The pressure claw fixing plate 24 is rotatably connected in the assembly groove. The opposite ends of the two groups of adaptive springs 25 are fixedly connected to the inner wall of the assembly groove, and the opposite ends of the two groups of adaptive springs 25 abut against both sides of the pressure claw fixing plate 24.

[0034] Dust removal nozzles 27 are arranged opposite to each other on the outer side of the pressure claw main body 26. The dust removal nozzles 27 are connected to an external dust removal fan, and dust removal can be effectively carried out through negative pressure.

[0035] Working principle: Under the action of the adaptive spring 25, the jaw fixing plate 24 can be slightly twisted inside the assembly groove, so that the jaw body 26 can adaptively adjust the angle. When in use, the rotary cylinder 22 drives the jaw body 26 to rotate, realizing the pressing of the nickel sheet in multiple angular directions.

[0036] Embodiment 2

[0037] The lifting drive member 1 includes a lifting servo motor 11, a lifting slide rail 16, a mounting support 17 and a lifting lead screw 110. The lifting slide rail 16 is slidably arranged inside the mounting support 17. The lifting servo motor 11 is fixedly arranged on the top of the lifting slide rail 16. The lifting lead screw 110 is connected to the output end of the lifting servo motor 11. The lifting lead screw 110 is threadedly connected inside the mounting support 17. The vertical plate 21 is installed at the bottom end of the lifting slide rail 16.

[0038] A linear bearing 19 is fixedly installed inside the mounting support 17. The lifting slide rail 16 is movably inserted into the linear bearing 19, thereby reducing the frictional resistance when the lifting slide rail 16 slides up and down.

[0039] A slider seat 18 is fixedly installed in the middle of the mounting support 17. The lifting lead screw 110 is threadedly connected inside the slider seat 18. When the lifting servo motor 11 is started, it drives the lifting lead screw 110 to rotate. The lifting lead screw 110 performs a helical movement inside the slider seat 18, so that the lifting slide rail 16 moves up and down inside the mounting support 17.

[0040] A support carrier plate 15 is fixedly arranged on the top of the lifting slide rail 16. A support rod 14 is fixedly installed on the top of the support carrier plate 15. A motor mounting plate 12 is fixedly arranged on the top of the support rod 14. The lifting servo motor 11 is fixedly installed on the top of the motor mounting plate 12, which is used to effectively support and fix the lifting servo motor 11.

[0041] A coupling 13 is arranged on the lower surface of the motor mounting plate 12. The output end of the lifting servo motor 11 is fixedly installed with the lifting lead screw 110 through the coupling 13, and the transmission is realized through the coupling 13.

[0042] The bottom end of the lifting lead screw 110 is rotatably connected to a lead screw support seat 111. A horizontal support plate 112 is fixedly installed on the top of the vertical plate 21. The lead screw support seat 111 is fixedly arranged on the top of the horizontal support plate 112, so that the lifting servo motor 11 can drive the entire adjustable nickel sheet pressing jaw member 2 to move up and down.

[0043] Working principle: By starting the lifting servo motor 11, the output end thereof drives the lifting lead screw 110 to rotate through the coupling 13, so that the lifting slide rail 16 moves up and down inside the mounting seat 17. At this time, the bottom end of the lifting slide rail 16 drives the claw body 26 to move up and down through the vertical plate 21.

[0044] The above are only the preferred embodiments of the present invention, and do not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present invention, or directly or indirectly applied to other related technical fields, shall be equally included in the patent protection scope of the present invention.

Claims

1. A mechanism for a nickel sheet welding press jaw of a soft-pack battery, comprising a lifting drive member and an adjustable nickel sheet press jaw member mounted on the lifting drive member, characterized in that, The adjustable nickel sheet pressing jaw part includes a vertical plate, a rotary cylinder, a jaw connecting plate, a jaw fixing plate and a jaw body; The rotary cylinder is fixedly arranged on the vertical plate, the jaw connecting plate is fixedly installed at the output end of the rotary cylinder, the jaw fixing plate is rotatably connected to the jaw connecting plate, and the jaw body is fixedly connected to the outer surface of the jaw fixing plate; Adaptive springs are arranged on both sides of the jaw fixing plate.

2. The mechanism of the soft-pack battery nickel sheet welding pressure jaw according to claim 1, characterized in that, The lifting driving part includes a lifting servo motor, a lifting slide rail, a mounting support and a lifting lead screw. The lifting slide rail is slidably arranged in the mounting support. The lifting servo motor is fixedly arranged on the lifting slide rail. The lifting lead screw is connected to the output end of the lifting servo motor. The lifting lead screw is threadedly connected in the mounting support, and the vertical plate is installed on the lifting slide rail.

3. The mechanism of the nickel sheet welding jaw of the soft-pack battery according to claim 2, characterized in that, A linear bearing is fixedly installed inside the mounting support, and the lifting slide rail is movably inserted into the linear bearing.

4. The mechanism of the soft-pack battery nickel sheet welding press jaw according to claim 2, characterized in that, A slider seat is fixedly installed on the mounting support, and the lifting lead screw is threadedly connected in the slider seat.

5. The mechanism of the soft-pack battery nickel sheet welding pressure jaw according to claim 2, characterized in that, A support carrier plate is fixedly arranged on the lifting slide rail. A support rod is fixedly installed on the support carrier plate. A motor mounting plate is fixedly arranged on the support rod, and the lifting servo motor is fixedly installed on the motor mounting plate.

6. The mechanism of the nickel sheet welding pressure jaw of the soft-pack battery according to claim 5, characterized in that, A coupling is arranged on the motor mounting plate, and the output end of the lifting servo motor is fixedly installed with the lifting lead screw through the coupling.

7. The mechanism of the soft-pack battery nickel sheet welding pressure jaw according to claim 6, characterized in that A lead screw support seat is rotatably connected to the lifting lead screw. A horizontal support plate is fixedly installed on the vertical plate, and the lead screw support seat is fixedly arranged on the horizontal support plate.

8. The mechanism of the soft-pack battery nickel sheet welding pressure jaw according to claim 1, characterized in that A mounting stud is fixedly arranged on the jaw connecting plate, and the jaw fixing plate is rotatably connected to the outer surface of the mounting stud.

9. The mechanism of the soft-pack battery nickel sheet welding pressure jaw according to claim 8, characterized in that, An assembly groove is formed in the middle of the jaw connecting plate. The jaw fixing plate is rotatably connected in the assembly groove. The opposite ends of the two groups of adaptive springs are fixedly connected to the inner wall of the assembly groove, and the opposite ends of the two groups of adaptive springs abut against both sides of the jaw fixing plate.

10. The mechanism of the nickel sheet welding press jaw of the soft-pack battery according to claim 1, characterized in that, A dust removal nozzle is arranged on the outer side surface of the jaw body.

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