Lithium battery tab stamping device with precise positioning structure

Abstract

The utility model discloses a lithium battery tab stamping device with an accurate positioning structure, which relates to the technical field of lithium battery processing and comprises a positioning component, a first spring fixedly connected onto a fixing plate, a limiting plate fixedly connected to one end of the first spring far away from the fixing plate, a first sliding groove formed in one side of the top of a base close to the limiting plate, and a second sliding groove formed in the other side of the top of the base. A first sliding block is slidably connected into the first sliding groove, and the top of the first sliding block is connected with the limiting plate. The reset assembly is arranged at the bottom of the base, the output end of the electric push rod is rotationally connected with a connecting rod, the connecting rod is connected with a second sliding block, a second sliding groove is formed in the side, close to the second sliding block, of the bottom of the base, the second sliding block is slidably connected into the second sliding groove, and an abutting rod is arranged on the side, close to the first sliding block, of the second sliding block. By arranging the positioning assembly, the position deviation of the tab in the stamping process can be effectively reduced, so that the sizes of the tab are more stable and consistent, and the accuracy and repeatability of the sizes of the tab are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery processing technical field, concretely is a lithium battery pole ear stamping device with accurate positioning structure. BACKGROUND

[0002] With the rapid development of new energy automobile, portable electronic equipment, energy storage system and other industries, the market demand for lithium battery is continuously increasing, and higher requirements are put forward for the performance, quality and production efficiency of lithium battery. As the key component of the positive and negative poles of lithium battery connecting with external circuit, the processing precision and quality of lithium battery pole ear directly affect the performance and safety of lithium battery, so more advanced stamping device is needed to meet the production demand.

[0003] In the stamping process, due to the different sizes of the pole ear, the existing technology does not have a positioning structure, which will cause the position of each stamping to be not fixed, the length and width size of the pole ear are difficult to guarantee within the design requirement tolerance range, and the pole ear may be too long or too short, too wide or too narrow, and the inaccurate positioning of the pole ear may cause uneven contact between the die and the pole ear material in the stamping process, and the incomplete stamping in some areas, thereby generating burrs and flash at the edge of the pole ear, which not only affects the appearance of the pole ear, but also may cause safety hazards in subsequent use, therefore we propose a lithium battery pole ear stamping device with accurate positioning structure. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a lithium battery pole ear stamping device with accurate positioning structure to solve the problems in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a lithium battery pole ear stamping device with accurate positioning structure, comprising:

[0006] The base, the top plate arranged on the top of the base and the guide column arranged between the base and the top plate;

[0007] The positioning assembly is arranged on the top of the base, and the positioning assembly comprises a fixed plate arranged on the top of the base, a first spring fixedly connected to the fixed plate, a limiting plate fixedly connected to the end of the first spring away from the fixed plate, a first sliding groove formed on one side of the top of the base close to the limiting plate, a first sliding block slidingly connected in the first sliding groove and the limiting plate connected to the top of the first sliding block;

[0008] A reset assembly is arranged at the bottom of the base, the reset assembly comprises an electric push rod arranged at the bottom of the base, a connecting rod is rotatably connected to the output end of the electric push rod, a second sliding block is connected to the connecting rod, a second sliding groove is arranged on the side of the bottom of the base close to the second sliding block, the second sliding block is slidably connected in the second sliding groove, and a resisting rod is arranged on the side of the second sliding block close to the first sliding block.

[0009] Further, a stamping assembly is arranged on the top plate, the stamping assembly comprises a hydraulic cylinder, and a pressing block is arranged at the bottom of the hydraulic cylinder.

[0010] The above technical scheme has the following advantages: the stamping assembly can provide sufficient power to push the punch of the mold to the tab material.

[0011] Further, a connecting plate is slidably connected to the guide column, the connecting plate is fixedly connected to the output end of the hydraulic cylinder, and the bottom of the connecting plate is fixedly connected to the pressing block.

[0012] The above technical scheme has the following advantages: the connecting plate is arranged to improve the stability of the pressing block by sliding up and down on the guide column during the stamping process.

[0013] Further, a protection assembly is arranged at the top of the base, the protection assembly comprises a protection shell, and a sliding shell is slidably connected to the top of the protection shell.

[0014] The above technical scheme has the following advantages: the protection assembly can block the tab from flying out during the stamping process, forming a physical barrier to effectively protect the physical safety of the operator and reduce the probability of work accidents.

[0015] Further, a limiting assembly is arranged on the protection shell, the limiting assembly comprises two support plates, a third spring is fixedly connected between the two support plates, and magnetic attraction blocks are arranged on the protection shell and the sliding shell.

[0016] The above technical scheme has the following advantages: the limiting assembly can adjust the lifting movement of the sliding shell in the protection shell to facilitate the taking and placing of the tab.

[0017] Further, a buffer assembly is arranged on the guide column, the buffer assembly comprises a second spring, the second spring is sleeved on the guide column, and the second spring is located at the bottom of the connecting plate.

[0018] The above technical scheme has the following advantages: the second spring is arranged to buffer the stamping process of the stamping assembly.

[0019] Further, a support leg is arranged at the bottom of the base, and a rubber plate is arranged at the bottom of the support leg.

[0020] By means of the above technical scheme: the rubber plate is arranged, so that the impact force generated in the stamping process and the vibration generated by surrounding equipment can be absorbed.

[0021] Compared with the prior art, the utility model has the advantages and positive effects that:

[0022] In the utility model, the position deviation of the lug in the stamping process is effectively reduced through the positioning assembly, so that the dimensions of the lug are more stable and consistent, the accuracy and repeatability of the lug dimensions are improved, and the problem that the position is not fixed every time in the stamping process due to the different sizes of the lug, the structure without positioning in the prior art, the difficulty in guaranteeing the length and width dimensions of the lug within the tolerance range required by design, the possible conditions of the lug being too long or too short, too wide or too narrow, and the uneven contact between the die and the lug material in the stamping process due to the inaccurate positioning of the lug, the incomplete stamping in some areas, and the burrs and flash generated at the edge of the lug are solved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a front view of a lithium battery lug stamping device with a precise positioning structure.

[0024] Figure 2 It is an internal structure diagram of a lithium battery lug stamping device with a precise positioning structure.

[0025] Figure 3 It is a bottom structure diagram of a lithium battery lug stamping device with a precise positioning structure.

[0026] Figure 4 It is a split diagram of a lithium battery lug stamping device with a precise positioning structure.

[0027] Reference numerals in the drawings:

[0028] 1, base; 2, top plate; 3, guide column;

[0029] 4, positioning assembly; 41, fixed plate; 42, first spring; 43, limiting plate; 44, first sliding groove; 45, first sliding block;

[0030] 5, reset assembly; 51, electric push rod; 52, connecting rod; 53, second sliding groove; 54, second sliding block; 55, abutting rod;

[0031] 6, buffer assembly; 61, second spring; 62, supporting leg; 63, rubber plate;

[0032] 7, stamping assembly; 71, hydraulic cylinder; 72, connecting plate; 73, pressing block;

[0033] 8. Protective components; 81. Protective housing; 82. Sliding housing;

[0034] 9. Limiting component; 91. Support plate; 92. Third spring; 93. Magnetic block. Detailed Implementation

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0036] like Figures 1-4 As shown, this utility model provides a technical solution: a lithium battery tab stamping device with a precise positioning structure, comprising:

[0037] Base 1, top plate 2 provided on top of base 1, and guide post 3 provided between base 1 and top plate 2;

[0038] Positioning component 4 is placed on the top of base 1. Positioning component 4 includes a fixing plate 41 set on the top of base 1. A first spring 42 is fixedly connected to the fixing plate 41. A limiting plate 43 is fixedly connected to the end of the first spring 42 away from the fixing plate 41. A first sliding groove 44 is opened on the side of the top of base 1 near the limiting plate 43. A first slider 45 is slidably connected in the first sliding groove 44. The top of the first slider 45 is connected to the limiting plate 43.

[0039] Reset assembly 5 is located at the bottom of base 1. Reset assembly 5 includes an electric push rod 51 located at the bottom of base 1. The output end of electric push rod 51 is rotatably connected to a connecting rod 52. A second slider 54 is connected to the connecting rod 52. A second groove 53 is provided on the bottom of base 1 near the second slider 54. The second slider 54 is slidably connected in the second groove 53. A stop rod 55 is provided on the side of the second slider 54 near the first slider 45.

[0040] Specifically, firstly, the electric push rod 51 is activated to drive the connecting rod 52 to move. The connecting rod 52 drives the second slider 54 to move towards the side of the first slider 45 within the second slide groove 53. The second slider 54 drives the abutment rod 55 to push the first slider 45. Subsequently, the first slider 45 moves within the first slide groove 44, thereby driving the limiting plate 43 to move towards the side of the fixing plate 41. Then, the electrode tab is placed in the middle of the limiting plate 43. Then, the electric push rod 51 is activated to drive the connecting rod 52 to reset. When the abutment rod 55 separates from the first slider 45, the limiting plate 43 uses the elastic force of the first spring 42 to clamp and fix the electrode tab.

[0041] Further, as Figure 2 As shown in the figure: the top plate 2 is provided with a stamping assembly 7, the stamping assembly 7 includes a hydraulic cylinder 71, the bottom of the hydraulic cylinder 71 is provided with a pressing block 73, the guide column 3 is slidingly connected with a connecting plate 72, the connecting plate 72 is fixedly connected with the output end of the hydraulic cylinder 71, the bottom of the connecting plate 72 is fixedly connected with the pressing block 73, the opening of the hydraulic cylinder 71 drives the connecting plate 72 to descend on the guide column 3, and the connecting plate 72 drives the bottom pressing block 73 to stamp the tab;

[0042] In the above scheme, during the stamping of the tab, the tab may fly out, causing injury to the worker, as shown in the figure: Figure 1 As shown in the figure: the top plate 2 is provided with a stamping assembly 7, the stamping assembly 7 includes a hydraulic cylinder 71, the bottom of the hydraulic cylinder 71 is provided with a pressing block 73, the guide column 3 is slidingly connected with a connecting plate 72, the connecting plate 72 is fixedly connected with the output end of the hydraulic cylinder 71, the bottom of the connecting plate 72 is fixedly connected with the pressing block 73, the opening of the hydraulic cylinder 71 drives the connecting plate 72 to descend on the guide column 3, and the connecting plate 72 drives the bottom pressing block 73 to stamp the tab;

[0043] In the above scheme, during the stamping process, a downward impact force will be generated, which may cause the device to loosen after a long time, as shown in the figure: Figure 2 and Figure 3 As shown in the figure: the guide column 3 is provided with a buffer assembly 6, the buffer assembly 6 includes a second spring 61, the second spring 61 is sleeved on the guide column 3, and the second spring 61 is located at the bottom of the connecting plate 72; The bottom of the base 1 is provided with a supporting leg 62, and the bottom of the supporting leg 62 is provided with a rubber plate 63. By arranging the second spring 61, the stamping process of the stamping assembly 7 is buffered, and by arranging the rubber plate 63, the impact force generated during the stamping process and the vibration of the surrounding equipment can be absorbed;

[0044] Further, first open the electric push rod 51 drive connecting rod 52 movement, connecting rod 52 drive the second slider 54 in the second sliding groove 53 to the side of the first slider 45 movement, the second slider 54 drive the abutment rod 55 to the first slider 45 is pushed, then the first slider 45 will be in the first sliding groove 44 movement, thereby drive the limiting plate 43 to the fixed plate 41 side movement, then the tab in the limiting plate 43 in the middle, then open the electric push rod 51 drive connecting rod 52 reset, when the abutment rod 55 and the first slider 45 is separated, the limiting plate 43 by the elastic force of the first spring 42 will be tab clamped and fixed, then the two magnetic block 93 is separated, then the third spring 92 is used to slide the shell 82 from the protective shell 81 elastic pop up for protection, to prevent the tab fly out, open the hydraulic cylinder 71 drive connecting plate 72 on the guide column 3 down, connecting plate 72 drive the bottom of the punch 73 to the tab stamping, in the stamping process, the second spring 61, the stamping assembly 7 stamping process is buffered, rubber plate 63, can absorb the impact force generated in the stamping process and the surrounding equipment generated vibration.

[0045] The above only the preferred embodiments of the present application have been described, and not any form of the present application is limited, although the present application has been disclosed as above with the preferred embodiments, however, not to limit the present application, any skilled in the art of the technical personnel in the present application technical scheme range without departing from the present application, when can use the above prompt technical content to make some changes or modification of the equivalent equivalent embodiments, the implementation scheme in the above examples can be further combined or replaced, but as long as not departing from the present application technical scheme content, according to the technical essence of the present application above examples of any simple modification, equivalent changes and modification, still belong to the present application scheme range.

Claims

1. A lithium battery tab punching device with precise positioning structure, characterized in that, Include: Base (1), the top of the base (1) is provided with a top plate (2), and the guide column (3) is arranged between the base (1) and the top plate (2); Positioning assembly (4), the positioning assembly (4) is placed on the top of the base (1), the positioning assembly (4) includes a fixed plate (41) arranged on the top of the base (1), the first spring (42) is fixedly connected to the fixed plate (41), the end of the first spring (42) away from the fixed plate (41) is fixedly connected with a limiting plate (43), a first sliding slot (44) is formed on one side of the base (1) near the limiting plate (43), and the first sliding slot (44) is slidably connected with a first sliding block (45), and the first sliding block (45) is connected with the limiting plate (43) on the top; Reset assembly (5), the reset assembly (5) is placed at the bottom of the base (1), the reset assembly (5) includes an electric push rod (51) arranged at the bottom of the base (1), the output end of the electric push rod (51) is rotatably connected with a connecting rod (52), the connecting rod (52) is connected with a second sliding block (54), a second sliding slot (53) is formed on one side of the base (1) near the second sliding block (54), and the second sliding block (54) is slidably connected in the second sliding slot (53), and the side of the second sliding block (54) near the first sliding block (45) is provided with a resisting rod (55).

2. The lithium battery tab punching device with precise positioning structure according to claim 1, characterized in that: The top plate (2) is provided with a stamping assembly (7), the stamping assembly (7) includes a hydraulic cylinder (71), and the hydraulic cylinder (71) is provided with a pressing block (73) at the bottom.

3. The lithium battery tab punching device with precise positioning structure according to claim 2, characterized in that: The connecting plate (72) is slidably connected with the guide column (3), the connecting plate (72) is fixedly connected with the output end of the hydraulic cylinder (71), and the connecting plate (72) is fixedly connected with the pressing block (73) at the bottom.

4. The lithium battery tab punching device with precise positioning structure according to claim 1, characterized in that: The top of the base (1) is provided with a protection assembly (8), the protection assembly (8) includes a protection shell (81), and the protection shell (81) is slidably connected with a sliding shell (82) on the top.

5. The lithium battery tab punching device with precise positioning structure according to claim 4, characterized in that: The limiting assembly (9) is arranged on the protection shell (81), the limiting assembly (9) includes a supporting plate (91), the supporting plate (91) is provided with two, the third spring (92) is fixedly connected between the two supporting plates (91), and the magnetic attraction block (93) is arranged on the protection shell (81) and the sliding shell (82).

6. The lithium battery tab punching device with precise positioning structure according to claim 1, characterized in that: The guide column (3) is provided with a buffer assembly (6), the buffer assembly (6) includes a second spring (61), the second spring (61) is sleeved on the guide column (3), and the second spring (61) is located at the bottom of the connecting plate (72).

7. The lithium battery tab punching device with precise positioning structure according to claim 1, characterized in that: The bottom of the base (1) is provided with a supporting leg (62), and the bottom of the supporting leg (62) is provided with a rubber plate (63).

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