Lithium battery laser welding equipment

Abstract

The utility model discloses lithium battery laser welding equipment which comprises a base plate, side plates are symmetrically arranged at the bottom of the base plate, one side of one side plate is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a first screw rod, and after a laser welding mechanism is moved to the needed position and height, welding operation is carried out. In the moving process of the first sliding frame, the contact on one side of the feeler lever is separated from the pressure sensor, the numerical value of the pressure sensor returns to zero, after the workpiece is welded, the first sliding frame resets and drives the feeler lever to return to the position where the contact contacts the pressure sensor, and after the pressure sensor is pressed, a limit number is sent to the counter. After the counter records one-time signal fluctuation of the pressure sensor, one is added on the basis of an existing displayed number, the number of workpieces machined by the device in one batch can be effectively displayed, the situation that manual counting is needed by personnel is effectively reduced, and the operation process is simplified.

Description

Technical Field

[0001] The utility model belongs to the technical field of lithium battery processing, and particularly relates to a lithium battery laser welding device. Background Art

[0002] Laser welding is mainly used for the welding of battery cells, the assembly of battery modules, and the encapsulation of battery packs in the production process of lithium batteries. For battery cells, laser welding technology can accurately connect the various components of the battery cells, ensure the consistency and firmness of the welding points, and improve the service life and safety performance of the batteries.

[0003] After some existing lithium battery laser welding devices finish batch processing of workpieces, it is still necessary for personnel to manually count the number of processed lithium battery workpieces for registration and warehousing. When the number of workpieces is large, this operation is rather cumbersome, which has an adverse impact on the processing efficiency. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a lithium battery laser welding device to solve the problem that after some existing lithium battery laser welding devices finish batch processing of workpieces, it is still necessary for personnel to manually count the number of processed lithium battery workpieces for registration and warehousing. When the number of workpieces is large, this operation is rather cumbersome, which has an adverse impact on the processing efficiency as mentioned in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: A lithium battery laser welding device includes a base plate. Side plates are symmetrically arranged at the bottom of the base plate. A first motor is fixedly connected to one side of one of the side plates. The output end of the first motor is fixedly connected to a first screw rod. The outer side of one end of the first screw rod is rotationally connected to the side plate. A first sliding frame is threadedly connected to the outer side of the first screw rod. A first sliding rod is slidably connected inside the first sliding frame. Two first sliding rods are symmetrically arranged. Both ends of the first sliding rod are fixedly connected to the side plate. A touch rod is fixedly connected to the bottom of one side of the first sliding frame. A second motor is fixedly connected to the top of one side of the first sliding frame. The output end of the second motor is fixedly connected to a second screw rod. A second sliding frame is threadedly connected to the outer side of the second screw rod. A second sliding rod is slidably connected inside the second sliding frame. Two second sliding rods are symmetrically arranged. Both sides of the second sliding rod are fixedly connected to the first sliding frame. A third motor is fixedly connected to the top of the second sliding frame. The output end of the third motor is fixedly connected to a third screw rod. A slider is threadedly connected to the outer side of the third screw rod. The outer side of one end of the third screw rod is rotationally connected to the second sliding frame. A third sliding rod is slidably connected inside the slider. Two third sliding rods are symmetrically arranged. Both ends of the third sliding rod are fixedly connected to the second sliding frame. A laser welding mechanism is fixedly connected to one side of the slider.

[0006] Preferably, a limiting screw is threadedly connected to one side of one of the side plates. There are two limiting screws symmetrically arranged. Slide bars are movably connected to the outer sides of the limiting screws through limiting holes. Transfer plates are fixedly connected to one sides of the slide bars. Pressure sensors are fixedly connected to one sides of the transfer plates. The pressure sensors are electrically connected to a counter. A first sliding frame is fixedly connected to one side of the counter. Anti-slip pads are fixedly connected to the bottoms of the side plates.

[0007] Preferably, a limiting frame is fixedly connected to the top of the base plate.

[0008] Preferably, a limiting strip is fixedly connected to one side of one of the side plates. There are two limiting strips symmetrically arranged. A slide bar is slidably connected between the adjacent limiting strips.

[0009] Preferably, gaskets are movably connected to the outer sides of one ends of the limiting screws. The limiting screws are threadedly connected to the side plates on the outer sides.

[0010] Preferably, a bracket is fixedly connected to one side of the transfer plate. There are two brackets symmetrically arranged. The brackets are both triangular structures. Slide bars are fixedly connected to one sides of the brackets.

[0011] Preferably, a contact point is fixedly connected to one end of the contact rod. The contact point is made of a flexible material.

[0012] Preferably, the limiting hole is a U-shaped structure. The limiting screws are movably connected to the inner sides of the limiting holes. The limiting screws are threadedly connected to the side plates on the outer sides.

[0013] Compared with the prior art, the present utility model provides a lithium battery laser welding device, which has the following beneficial effects:

[0014] 1. The utility model is provided with a pressure sensor. The pressure sensor is electrically connected to a counter. One side of the pressure sensor is fixedly connected with an adapter plate. One side of the adapter plate is fixedly connected with a slide bar. The inner sides of the slide bars are all movably connected with limit screws through limit holes. The outer sides of the limit screws are all threadedly connected with side plates. According to the contact force between the contact point on one side of the contact rod and the pressure sensor, counterclockwise rotate and loosen each limit screw, and cooperate with the U-shaped limit holes to move the slide bar horizontally to the required position. Then, rotate the limit screw clockwise to fix the slide bar. Then, place the lithium battery workpiece to be welded on the top of the substrate. Cooperate with the first motor, the second motor and the third motor respectively to move the laser welding mechanism to the required position and height, and then carry out the welding operation. During the movement of the first sliding frame, the contact point on one side of the contact rod is separated from the contact pressure sensor, and the value of the pressure sensor returns to zero. When the workpiece is welded, the first sliding frame resets, driving the contact rod to return to the position where the contact point contacts the pressure sensor again. After the pressure sensor is subjected to pressure, it sends a signal to the counter. The counter records the first signal fluctuation of the pressure sensor and then adds one to the existing displayed number, which can effectively display the number of workpieces processed by the device in a batch, effectively reducing the need for manual counting by personnel and simplifying the operation process;

[0015] 2. The utility model is provided with brackets. One side of each bracket is fixedly connected with an adapter plate, and the other side of each bracket is fixedly connected with a slide bar, which can effectively ensure the stability of the adapter plate during long-term use;

[0016] 3. The utility model is provided with gaskets. The inner sides of the gaskets are all movably connected with limit screws, and the outer sides of the limit screws are all threadedly connected with side plates, which can effectively reduce the loosening amplitude generated by the third motor during use.

[0017] The parts not involved in this device are the same as or can be implemented by the prior art. The structure of the utility model is scientific and reasonable, safe and convenient to use, and provides great help to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings are used to provide a further understanding of the utility model and constitute a part of the specification. Together with the embodiments of the utility model, they are used to explain the utility model, but do not constitute a limitation to the utility model. In the drawings:

[0019] Figure 1 is an axonometric structural schematic diagram of a lithium battery laser welding device proposed by the utility model;

[0020] Figure 2 is Figure 1 the enlarged structural schematic diagram at A in

[0021] Figure 3Front view structural schematic diagram of a lithium battery laser welding device proposed by the present utility model;

[0022] Figure 4 Side view structural schematic diagram of a lithium battery laser welding device proposed by the present utility model;

[0023] Figure 5 Top view structural schematic diagram of a lithium battery laser welding device proposed by the present utility model;

[0024] Figure 6 Bottom view structural schematic diagram of a lithium battery laser welding device proposed by the present utility model;

[0025] In the figure: substrate 1, side plate 2, first motor 3, first screw rod 4, first sliding frame 5, first sliding rod 6, contact rod 7, second motor 8, second screw rod 9, second sliding frame 10, second sliding rod 11, third motor 12, third screw rod 13, slider 14, third sliding rod 15, laser welding mechanism 16, limit screw rod 17, limit hole 18, adapter plate 19, pressure sensor 20, counter 21, limit frame 22, anti-slip pad 23, contact point 24, bracket 25, limit strip 26, sliding strip 27, gasket 28. Specific implementation manners

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] Please refer to Figures 1-6, the present utility model provides a technical solution: a lithium battery laser welding device, including a substrate 1, side plates 2 are symmetrically arranged at the bottom of the substrate 1, a first motor 3 is fixedly connected to one side of one of the side plates 2, the output end of the first motor 3 is fixedly connected to a first screw rod 4, one end of the first screw rod 4 is rotatably connected to the side plate 2, a first sliding frame 5 is threadedly connected to the outside of the first screw rod 4, a first sliding rod 6 is slidably connected to the inside of the first sliding frame 5, two first sliding rods 6 are symmetrically arranged, both ends of the first sliding rod 6 are fixedly connected to the side plate 2, a contact rod 7 is fixedly connected to the bottom of one side of the first sliding frame 5, a second motor 8 is fixedly connected to the top of one side of the first sliding frame 5, the output end of the second motor 8 is fixedly connected to a second screw rod 9, a second sliding frame 10 is threadedly connected to the outside of the second screw rod 9, a second sliding rod 11 is slidably connected to the inside of the second sliding frame 10, two second sliding rods 11 are symmetrically arranged, both sides of the second sliding rod 11 are fixedly connected to the first sliding frame 5, a third motor 12 is fixedly connected to the top of the second sliding frame 10, the output end of the third motor 12 is fixedly connected to a third screw rod 13, a slider 14 is threadedly connected to the outside of the third screw rod 13, one end of the third screw rod 13 is rotatably connected to the second sliding frame 10, a third sliding rod 15 is slidably connected to the inside of the slider 14, two third sliding rods 15 are symmetrically arranged, both ends of the third sliding rod 15 are fixedly connected to the second sliding frame 10, a laser welding mechanism 16 is fixedly connected to one side of the slider 14. According to the contact force between the contact point 24 on one side of the contact rod 7 and the pressure sensor 20, counterclockwise rotate and loosen each limit screw 17, and move the slide bar 27 horizontally to the required position in cooperation with the U-shaped limit hole 18, then clockwise rotate the limit screw 17 to fix the slide bar 27. Then place the lithium battery workpiece to be welded on the top of the substrate 1. After moving the laser welding mechanism 16 to the required position and height respectively in cooperation with the first motor 3, the second motor 8 and the third motor 12, welding operation is carried out. During the movement of the first sliding frame 5, the contact point 24 on one side of the contact rod 7 disengages from the contact with the pressure sensor 20, and the value of the pressure sensor 20 returns to zero accordingly. When the workpiece is welded, the first sliding frame 5 resets, driving the contact rod 7 to return to the position where the contact point 24 contacts the pressure sensor 20 again. After the pressure sensor 20 is subjected to pressure, it sends a limit number to the counter 21. After the counter 21 records one signal fluctuation of the pressure sensor 20, it then adds one to the existing displayed number, which can effectively display the number of workpieces processed by the device in a batch, effectively reducing the situation where manual counting by personnel is required and simplifying the operation process.

[0028] In the present utility model, preferably, a limiting screw rod 17 is threadedly connected to one side of one of the side plates 2. There are two limiting screw rods 17 arranged symmetrically. Slide bars 27 are movably connected to the outer sides of the limiting screw rods 17 through limiting holes 18. Transfer plates 19 are fixedly connected to one sides of the slide bars 27. A pressure sensor 20 is fixedly connected to one side of the transfer plate 19. The pressure sensor 20 is electrically connected to a counter 21. A first sliding frame 5 is fixedly connected to one side of the counter 21. Anti-slip pads 23 are fixedly connected to the bottoms of the side plates 2. According to the record of the counter 21, the number of processed workpieces can be intuitively displayed.

[0029] In the present utility model, preferably, a limiting frame 22 is fixedly connected to the top of the base plate 1, which can effectively reduce the risk of material falling off.

[0030] In the present utility model, preferably, a limiting strip 26 is fixedly connected to one side of one of the side plates 2. There are two limiting strips 26 arranged symmetrically. The slide bar 27 is slidably connected between the adjacent limiting strips 26, which can effectively reduce the swinging amplitude of the slide bar 27.

[0031] In the present utility model, preferably, gaskets 28 are movably connected to the outer sides of one ends of the limiting screw rods 17. The limiting screw rods 17 are threadedly connected to the side plates 2, which can effectively reduce the loosening amplitude generated during the use of the limiting screw rods 17.

[0032] In the present utility model, preferably, a bracket 25 is fixedly connected to one side of the transfer plate 19. There are two brackets 25 arranged symmetrically. The brackets 25 are all triangular structures. The slide bars 27 are fixedly connected to one sides of the brackets 25, which can effectively ensure the stability of the transfer plate 19.

[0033] In the present utility model, preferably, a contact point 24 is fixedly connected to one end of the contact rod 7. The contact point 24 is made of a flexible material, which can effectively reduce the wear of the pressure sensor 20 during the contact process.

[0034] In the present utility model, preferably, the limiting hole 18 is of a U-shaped structure. The limiting screw rod 17 is movably connected to the inner side of the limiting hole 18. The limiting screw rod 17 is threadedly connected to the side plate 2, which can effectively adjust the horizontal position of the slide bar 27.

[0035] Working principle and usage process of the present utility model: During use, according to the contact force between the contact point 24 on one side of the contact rod 7 and the pressure sensor 20, rotate the respective limit screws 17 counterclockwise and loosen them, and move the slide bar 27 horizontally to the desired position in cooperation with the U-shaped limit holes 18. Rotate the limit screws 17 clockwise to fix the slide bar 27. Then, place the lithium battery workpiece to be welded on the top of the substrate 1. After moving the laser welding mechanism 16 to the desired position and height respectively in cooperation with the first motor 3, the second motor 8, and the third motor 12, welding operations are carried out. During the movement of the first sliding frame 5, the contact point 24 on one side of the contact rod 7 disengages from the contact with the pressure sensor 20, and the value of the pressure sensor 20 returns to zero accordingly. When the workpiece is welded, the first sliding frame 5 resets, driving the contact rod 7 to return to the position where the contact point 24 contacts the pressure sensor 20 again. After the pressure sensor 20 is subjected to pressure, it sends a signal to the counter 21. After the counter 21 records one signal fluctuation of the pressure sensor 20, it then adds one to the existing displayed number, which can effectively display the number of workpieces processed by the device in a batch, effectively reducing the situation where manual counting by personnel is required and simplifying the operation process.

[0036] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A lithium battery laser welding device, comprising a substrate (1), characterized in that: On the bottom of the substrate (1), side plates (2) are symmetrically arranged. One side of one of the side plates (2) is fixedly connected to a first motor (3). The output end of the first motor (3) is fixedly connected to a first screw rod (4). One end of the first screw rod (4) is rotatably connected to the side plate (2). A first sliding frame (5) is threadedly connected to the outer side of the first screw rod (4). A first sliding rod (6) is slidably connected inside the first sliding frame (5). There are two first sliding rods (6) symmetrically arranged. Both ends of the first sliding rod (6) are fixedly connected to the side plate (2). The bottom of one side of the first sliding frame (5) is fixedly connected to a contact rod (7). The top of one side of the first sliding frame (5) is fixedly connected to a second motor (8). The output end of the second motor (8) is fixedly connected to a second screw rod (9). A second sliding frame (10) is threadedly connected to the outer side of the second screw rod (9). A second sliding rod (11) is slidably connected inside the second sliding frame (10). There are two second sliding rods (11) symmetrically arranged. Both sides of the second sliding rod (11) are fixedly connected to the first sliding frame (5). The top of the second sliding frame (10) is fixedly connected to a third motor (12). The output end of the third motor (12) is fixedly connected to a third screw rod (13). A slider (14) is threadedly connected to the outer side of the third screw rod (13). One end of the third screw rod (13) is rotatably connected to the second sliding frame (10). A third sliding rod (15) is slidably connected inside the slider (14). There are two third sliding rods (15) symmetrically arranged. Both ends of the third sliding rod (15) are fixedly connected to the second sliding frame (10). One side of the slider (14) is fixedly connected to a laser welding mechanism (16).

2. The lithium battery laser welding device according to claim 1, wherein: One side of one of the side plates (2) is threadedly connected to a limit screw rod (17). There are two limit screw rods (17) symmetrically arranged. The outer sides of the limit screw rods (17) are movably connected to slide bars (27) through limit holes (18). One side of each of the slide bars (27) is fixedly connected to a transfer plate (19). One side of the transfer plate (19) is fixedly connected to a pressure sensor (20). The pressure sensor (20) is electrically connected to a counter (21). One side of the counter (21) is fixedly connected to the first sliding frame (5). Anti-slip pads (23) are fixedly connected to the bottoms of the side plates (2).

3. A lithium battery laser welding device according to claim 1, characterized in that: A limit frame (22) is fixedly connected to the top of the substrate (1).

4. A lithium battery laser welding device according to claim 1, characterized in that: One side of one of the side plates (2) is fixedly connected to a limit strip (26). There are two limit strips (26) symmetrically arranged. The slide bars (27) are slidably connected between the adjacent limit strips (26).

5. A lithium battery laser welding device according to claim 2, characterized in that: Gaskets (28) are movably connected to the outer sides of one ends of the limit screw rods (17). The outer sides of the limit screw rods (17) are threadedly connected to the side plates (2).

6. The lithium battery laser welding device according to claim 2, wherein: One side of the transfer plate (19) is fixedly connected to brackets (25). There are two brackets (25) symmetrically arranged. The brackets (25) are all triangular structures. One side of each of the brackets (25) is fixedly connected to a slide bar (27).

7. A lithium battery laser welding device according to claim 1, characterized in that: One end of the touch rod (7) is fixedly connected with a contact point (24), and the contact point (24) is made of a flexible material.

8. A lithium battery laser welding device according to claim 2, characterized in that: The limiting hole (18) is of a U-shaped structure. Limiting screws (17) are movably connected to the inner sides of the limiting holes (18), and side plates (2) are threadedly connected to the outer sides of the limiting screws (17).

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