Laser cutting tab forming device

Abstract

The invention provides a laser cutting tab forming device which comprises a laser cutting assembly, a laser cutting assembly and a laser cutting assembly, the laser cutting assembly comprises a first laser mechanism, a second laser mechanism and a laser horizontal displacement mechanism, and the first laser mechanism and the second laser mechanism are arranged at the two moving ends of the laser horizontal displacement mechanism respectively; the first laser mechanism comprises a first laser unit and a second laser unit which are arranged up and down; the second laser mechanism comprises a third laser unit and a fourth laser unit which are arranged up and down; the conveying assembly comprises a plurality of conveying rollers and a conveying frame located on one side of the laser cutting assembly. And the adsorption assembly comprises a plurality of adsorption units arranged on the conveying frame, and the first laser unit, the second laser unit, the third laser unit and the fourth laser unit are each correspondingly provided with at least one adsorption unit. The four laser units are adopted for stably cutting the upper and lower parts of the two sides of the pole piece roll material at the same time, cutting is stable, the working efficiency is high, and the overall production line efficiency can be improved.

Description

Technical Field

[0001] This invention relates to the field of laser processing technology, and in particular to a laser cutting electrode tab forming device. Background Technology

[0002] Laser tab cutting is a key piece of equipment in battery manufacturing. It uses a high-energy laser beam to cut the tabs without contact, and has significant advantages such as high precision, high efficiency, high flexibility and low cost. It has become the mainstream choice for the manufacturing of power batteries and consumer electronics batteries.

[0003] Current laser cutting typically involves two lasers processing and cutting out tabs on both sides of the electrode sheet. This processing speed is difficult to balance with other modules. This mode relies on the laser galvanometer speed of only two lasers, which limits the overall speed of the equipment and affects the overall efficiency of the machine. Summary of the Invention

[0004] To address the shortcomings of existing technologies, the present invention aims to provide a laser cutting electrode forming device that uses four laser units to simultaneously and stably cut both sides of the electrode roll material from top to bottom. This results in stable cutting and high working efficiency, thereby improving the overall production line efficiency.

[0005] The embodiments of the present invention are achieved through the following technical solutions: A laser cutting tab forming apparatus, characterized in that it comprises: A laser cutting assembly includes a first laser mechanism, a second laser mechanism, and a laser horizontal displacement mechanism. The first laser mechanism and the second laser mechanism are respectively disposed on two moving ends of the laser horizontal displacement mechanism. The first laser mechanism includes a first laser unit and a second laser unit arranged vertically, and the second laser mechanism includes a third laser unit and a fourth laser unit arranged vertically. The conveying assembly includes a plurality of conveying rollers and a conveying frame located on one side of the laser cutting assembly. The plurality of conveying rollers are horizontally arranged on the conveying frame to convey the tab roll material. The adsorption assembly includes several adsorption units disposed on the conveyor frame, and the first laser unit, the second laser unit, the third laser unit and the fourth laser unit are each respectively provided with at least one of the adsorption units.

[0006] According to a preferred embodiment, the adsorption unit includes a cutting adsorption seat and a cutting back cavity arranged opposite to each other. The cutting adsorption seat has a plurality of first adsorption holes on one end face facing the cutting back cavity. The cutting back cavity or the cutting adsorption seat is connected to a first adjustment mechanism, which is used to adjust the horizontal distance between the cutting back cavity and the cutting adsorption seat.

[0007] According to a preferred embodiment, a cutting guide cavity and a belt unit sleeved on the cutting guide cavity are provided directly below the cutting adsorption seat. The surface of the cutting guide cavity is provided with a plurality of second adsorption holes and connected to a negative pressure pipe. The cutting guide cavity is embedded with a plurality of guide rollers, and the guide rollers are located inside the belt unit.

[0008] According to a preferred embodiment, the belt unit includes a plurality of uniformly distributed cylindrical belts, which pass through the guide rollers and are sleeved on the cutting guide cavity. The negative pressure pipe is connected to a valve body and a negative pressure unit.

[0009] According to a preferred embodiment, the cutting adsorption seat has a slot that is narrower inside and wider outside on one end face facing the cutting back cavity, and an adsorption plate is detachably provided on the slot, the adsorption plate having a plurality of the first adsorption holes.

[0010] According to a preferred embodiment, an L-shaped structure is provided extending below the cutting back cavity. The end of the L-shaped structure near the cutting adsorption seat is rounded, and the top of the cutting back cavity near the cutting adsorption seat and the end of the L-shaped structure near the cutting adsorption seat are on the same vertical plane. The L-shaped structure has a cutting groove, which corresponds to the area between the cutting adsorption seat and the cutting guide cavity.

[0011] According to a preferred embodiment, a first connecting plate and a second connecting plate are respectively provided on the two moving ends of the laser horizontal displacement mechanism, the first laser mechanism is disposed on the first connecting plate, and the second laser mechanism is disposed on the second connecting plate.

[0012] According to a preferred embodiment, it further includes a plurality of second adjustment mechanisms; Each of the adsorption units has a cutting adsorption seat and a corresponding cutting guide cavity below it, which are all mounted on a second adjustment mechanism. The second adjustment mechanism can adjust the position of the adsorption unit's cutting adsorption seat and the corresponding cutting guide cavity below it in the X-axis direction, Y-axis direction, and Z-axis direction.

[0013] According to a preferred embodiment, the adsorption units corresponding to the first laser unit and the third laser unit each include the cutting back cavity and the cutting adsorption seat arranged sequentially from left to right; The adsorption units corresponding to the second laser unit and the fourth laser unit each include the cutting adsorption seat and the cutting back cavity arranged sequentially from left to right.

[0014] According to a preferred embodiment, the first laser unit is mounted on the first connecting plate via a first bracket, and the first laser unit is disposed on the top of the first bracket via a first longitudinal sliding structure; The second laser unit is mounted on the first connecting plate via a second longitudinal sliding structure; The third laser unit is mounted on the second connecting plate via the second bracket, and the third laser unit is disposed on the top of the second bracket via the third longitudinal sliding structure; The fourth laser unit is mounted on the second connecting plate via a fourth longitudinal sliding structure.

[0015] The technical solutions of the embodiments of the present invention have at least the following advantages and beneficial effects: This invention employs four laser units—the first laser unit, the second laser unit, the third laser unit, and the fourth laser unit—to simultaneously and stably cut both sides of the electrode roll material from top to bottom. The conveying component and the adsorption component ensure stable conveying of the electrode roll material and support for laser processing. This invention provides stable cutting and high working efficiency, thereby improving the overall production line efficiency. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a three-dimensional structural schematic diagram of the laser cutting tab forming device provided in an embodiment of the present invention; Figure 2 This is a partial side view of the laser cutting tab forming device provided in an embodiment of the present invention; Figure 3 for Figure 2 A magnified schematic diagram of a portion of the structure. Icons: 1. First laser unit; 2. Second laser unit; 3. Third laser unit; 4. Fourth laser unit; 5. Laser horizontal displacement mechanism; 6. Conveying roller; 7. Conveying frame; 8. Cutting adsorption seat; 81. Adsorption plate; 9. Cutting back cavity; 10. First adjustment mechanism; 11. Cutting guide cavity; 12. Belt unit; 13. Negative pressure pipe; 14. Guide roller; 15. Cutting groove; 16. First connecting plate; 17. Second connecting plate; 18. Second adjustment mechanism; 19. Dust removal and exhaust mechanism; 20. First longitudinal sliding structure; 21. Second longitudinal sliding structure; 22. Third longitudinal sliding structure; 23. Fourth longitudinal sliding structure. Detailed Implementation

[0018] To better understand and implement this invention, the technical solutions in the embodiments of this invention will be clearly and completely described below with reference to the accompanying drawings.

[0019] In the description of this invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Example

[0021] Please refer to Figures 1 to 3 A laser cutting electrode tab forming device, characterized in that it comprises: The laser cutting assembly includes a first laser mechanism, a second laser mechanism, and a laser horizontal displacement mechanism 5. The first laser mechanism and the second laser mechanism are respectively disposed on two moving ends of the laser horizontal displacement mechanism 5. The first laser mechanism includes a first laser unit 1 and a second laser unit 2 arranged vertically, and the second laser mechanism includes a third laser unit 3 and a fourth laser unit 4 arranged vertically. The conveying assembly includes several conveying rollers 6 and a conveying frame 7 located on one side of the laser cutting assembly. The several conveying rollers 6 are horizontally arranged on the conveying frame 7 to convey the tab roll material. The adsorption assembly includes several adsorption units disposed on the conveyor frame 7, and the first laser unit 1, the second laser unit 2, the third laser unit 3 and the fourth laser unit 4 are each provided with at least one adsorption unit.

[0022] Optionally, the adsorption unit includes a cutting adsorption seat 8 and a cutting back cavity 9 arranged opposite to each other. The cutting adsorption seat 8 has a plurality of first adsorption holes on one end face facing the cutting back cavity 9. The cutting back cavity 9 or the cutting adsorption seat 8 is connected to a first adjustment mechanism 10, which is used to adjust the horizontal distance between the cutting back cavity 9 and the cutting adsorption seat 8.

[0023] Optionally, a cutting guide cavity 11 and a belt unit 12 sleeved on the cutting guide cavity 11 are provided directly below the cutting adsorption seat 8. The surface of the cutting guide cavity 11 is provided with a number of second adsorption holes and connected to a negative pressure pipe 13. The cutting guide cavity 11 is embedded with a number of guide rollers 14, and the guide rollers 14 are located inside the belt unit 12.

[0024] The optional belt unit 12 includes several uniformly distributed cylindrical belts, which pass through the guide roller 14 and are sleeved on the cutting guide cavity 11. The negative pressure pipe 13 is connected to the valve body and the negative pressure unit.

[0025] Optionally, the end face of the cutting adsorption seat 8 facing the cutting back cavity 9 is provided with a groove that is narrow inside and wide outside, and an adsorption plate 81 is detachably provided on the groove. The adsorption plate 81 is provided with a number of first adsorption holes.

[0026] Optionally, an L-shaped structure is provided extending below the cutting back cavity 9. The end of the L-shaped structure near the cutting adsorption seat 8 is rounded, and the top of the cutting back cavity 9 near the cutting adsorption seat 8 and the end of the L-shaped structure near the cutting adsorption seat 8 are on the same vertical plane. The L-shaped structure has a cutting groove 15, which corresponds to the area between the cutting adsorption seat 8 and the cutting guide cavity 11. The laser beam emitted by the laser cutting assembly can pass through the corresponding cutting groove 15.

[0027] Optionally, a first connecting plate 16 and a second connecting plate 17 are respectively provided on the two moving ends of the laser horizontal displacement mechanism 5. The first laser mechanism is provided on the first connecting plate 16, and the second laser mechanism is provided on the second connecting plate 17.

[0028] Optionally, it may also include several second regulating mechanisms 18; Each adsorption unit's cutting adsorption seat 8 and its corresponding cutting guide cavity 11 below it are mounted on a second adjustment mechanism 18. The second adjustment mechanism 18 can adjust the position of the adsorption unit's cutting adsorption seat 8 and its corresponding cutting guide cavity 11 in the X-axis direction, Y-axis direction, and Z-axis direction.

[0029] Optionally, the adsorption units corresponding to the first laser unit 1 and the third laser unit 3 each include a cutting back cavity 9 and a cutting adsorption seat 8 arranged sequentially from left to right; The adsorption units corresponding to the second laser unit 2 and the fourth laser unit 4 each include a cutting adsorption seat 8 and a cutting back cavity 9 arranged sequentially from left to right.

[0030] Optionally, the first laser unit 1 is mounted on the first connecting plate 16 via the first bracket, and the first laser unit 1 is disposed on the top of the first bracket via the first longitudinal sliding structure 20; The second laser unit 2 is mounted on the first connecting plate 16 via the second longitudinal sliding structure 21; The third laser unit 3 is mounted on the second connecting plate 17 via the second bracket, and the third laser unit 3 is disposed on the top of the second bracket via the third longitudinal sliding structure 22; The fourth laser unit 4 is mounted on the second connecting plate 17 via the fourth longitudinal sliding structure 23.

[0031] Working principle of the invention: Each adsorption unit is equipped with a dust removal and exhaust mechanism 19 on one side to extract electrode roll debris and exhaust gas generated after cutting.

[0032] like Figure 3 As shown, arrow Y points in the direction of electrode roll feeding, and arrow X points in the direction of laser beam output. Figure 2 In this process, the electrode roll is conveyed from top to bottom. The electrode roll first simultaneously passes through the adsorption unit corresponding to the first laser unit 1, then the adsorption unit corresponding to the third laser unit 3, and then simultaneously passes through the adsorption unit corresponding to the second laser unit 2 and the fourth laser unit 4. In this embodiment, [the following is used as an example] Figure 3The direction is the reference standard. For example, the left side of the cutting adsorption seat 8 corresponding to the first laser unit 1 is the cutting back cavity 9, and the lower side of the cutting back cavity 9 is provided with a conveying roller 6. Specifically, in this embodiment, at least four conveying rollers 6 are installed on the conveying frame 7. Three conveying rollers 6 are respectively set above, to the left and below the cutting adsorption seat 8 corresponding to the first laser unit 1. The cutting adsorption seat 8 is provided with a negative pressure space. The negative pressure adsorption of the cutting adsorption seat 8 is achieved by connecting a negative pressure structure (the result of achieving negative pressure function by a vacuum pump, etc.), so that the electrode roll material between the cutting adsorption seat 8 and the cutting back cavity 9 is conveyed to the surface of the cutting adsorption seat 8. The top of the cutting back cavity 9 is rounded near the end face of the cutting adsorption seat 8 to facilitate the conveying of the electrode roll material and protect the electrode roll material, and avoid the sharp corners from damaging the electrode roll material. Furthermore, one end of the L-shaped structure can further limit the electrode roll material to prevent it from deviating. The laser beam output by the first laser unit 1 can pass horizontally through the cutting back cavity 9 and the cutting adsorption seat 8; the laser beam output by the second laser unit 2 can pass horizontally through the cutting adsorption seat 8 and the cutting back cavity 9. The adsorption units corresponding to the first laser unit 1 and the second laser unit 2 have opposite structural order. Similarly, the adsorption units corresponding to the first laser unit 1 and the third laser unit 3 both include the cutting back cavity 9 and the cutting adsorption seat 8 arranged from left to right; the adsorption units corresponding to the second laser unit 2 and the fourth laser unit 4 both include the cutting adsorption seat 8 and the cutting back cavity 9 arranged from left to right, thus realizing the cutting of the electrode roll material. Furthermore, the cutting guide cavities 11 have the same structure, both including a negative pressure chamber and a belt unit 12, which can provide support and adsorption for the passing electrode roll. The belt unit 12 is a cylindrical belt, which can work with the guide roller 14 to closely convey the electrode roll, ensuring stable conveying and cutting of the electrode roll. However, the cutting guide cavities 11 in the adsorption unit corresponding to the first laser unit 1 and the cutting guide cavities 11 in the adsorption unit corresponding to the second laser unit 2 have different distribution positions. The cutting guide cavity 11 corresponding to the first laser unit 1 is the first cutting guide cavity 11. Therefore, the first cutting guide cavity 11 is distributed and extends downward below the cutting adsorption seat 8 corresponding to the first laser unit 1, so that the left... The side conveying roller 6 and the L-shaped structure define the position of the left side of the electrode roll. Correspondingly, the cutting guide cavity 11 corresponding to the second laser unit 2 is the second cutting guide cavity 11. Therefore, the second cutting guide cavity 11 is distributed and extends downward below the cutting adsorption seat 8 corresponding to the second laser unit 2, so that the right side conveying roller 6 and the L-shaped structure define the position of the right side of the electrode roll. Therefore, the first cutting guide cavity 11 and the second cutting guide cavity 11 are respectively distributed at the upper right and lower left, so that the electrode roll conveyed from top to bottom is conveyed more stably. The lower end of the electrode roll is the left adsorption support, and the upper end of the electrode roll is the right adsorption support. This structural distribution greatly improves the overall adsorption support effect.In this embodiment, the laser cutting assembly can laser cut electrode tabs and mark holes into electrode rolls. In this embodiment, both the first adjustment mechanism 10 and the second adjustment mechanism 18 can be selected from telescopic or moving mechanisms such as cylinders or electric cylinders. A third adjustment mechanism can also be provided, which can be selected from multiple sliding structures. The sliding structures adjust the displacement of the cutting guide cavity 11 in the vertical, horizontal, and forward / backward directions. In this embodiment, it includes a vertical guide rail, a vertical slider, a horizontal guide rail, a horizontal slider, a longitudinal guide rail, and a longitudinal slider. The laser horizontal displacement mechanism 5 is a straight horizontal guide rail. Both the first connecting plate 16 and the second connecting plate 17 can move horizontally along the straight horizontal guide rail. Therefore, the first connecting plate 16 can drive the first laser horizontal mechanism, including the first laser unit 1 and the second laser unit 2, to move. The second connecting plate 17 can drive the second laser mechanism, including the third laser unit 3 and the fourth laser unit 4, to move horizontally. The cutting guide cavity 11 corresponding to the second laser unit 2 is mounted on the first connecting plate 16 through the third adjustment mechanism, and the cutting guide cavity 11 corresponding to the fourth laser unit 4 is mounted on the second connecting plate 17 through another third adjustment mechanism.

[0033] The technical means disclosed in this invention are not limited to those disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of this invention, and these improvements and modifications are also considered within the scope of protection of this invention.

Claims

1. A laser-cut tab forming device, characterized in that, include: A laser cutting assembly includes a first laser mechanism, a second laser mechanism, and a laser horizontal displacement mechanism. The first laser mechanism and the second laser mechanism are respectively disposed on two moving ends of the laser horizontal displacement mechanism. The first laser mechanism includes a first laser unit and a second laser unit arranged vertically, and the second laser mechanism includes a third laser unit and a fourth laser unit arranged vertically. The conveying assembly includes a plurality of conveying rollers and a conveying frame located on one side of the laser cutting assembly. The plurality of conveying rollers are horizontally arranged on the conveying frame to convey the tab roll material. The adsorption assembly includes several adsorption units disposed on the conveyor frame, and the first laser unit, the second laser unit, the third laser unit and the fourth laser unit are each respectively provided with at least one of the adsorption units.

2. The laser cutting tab forming apparatus according to claim 1, characterized in that, The adsorption unit includes a cutting adsorption seat and a cutting back cavity arranged opposite to each other. The cutting adsorption seat has a plurality of first adsorption holes on one end face facing the cutting back cavity. The cutting back cavity or the cutting adsorption seat is connected to a first adjustment mechanism, which is used to adjust the horizontal distance between the cutting back cavity and the cutting adsorption seat.

3. The laser cutting tab forming apparatus according to claim 2, characterized in that, A cutting guide cavity and a belt unit sleeved on the cutting guide cavity are arranged directly below the cutting adsorption seat. The surface of the cutting guide cavity is provided with a number of second adsorption holes and connected to a negative pressure pipe. The cutting guide cavity is embedded with a number of guide rollers, which are located inside the belt unit.

4. The laser cutting tab forming apparatus according to claim 3, characterized in that, The belt unit includes several evenly distributed cylindrical belts, which pass through the guide rollers and are sleeved on the cutting guide cavity. The negative pressure pipe is connected to a valve body and a negative pressure unit.

5. The laser cutting tab forming apparatus according to claim 2, characterized in that, The cutting adsorption seat has a slot that is narrower inside and wider outside on one end face facing the cutting back cavity. An adsorption plate is detachably provided on the slot, and the adsorption plate has a plurality of the first adsorption holes.

6. The laser cutting tab forming apparatus according to claim 3, characterized in that, An L-shaped structure extends below the cutting back cavity. The end of the L-shaped structure near the cutting adsorption seat is rounded, and the top of the cutting back cavity near the cutting adsorption seat and the end of the L-shaped structure near the cutting adsorption seat are on the same vertical plane. The L-shaped structure has a cutting groove, which corresponds to the area between the cutting adsorption seat and the cutting guide cavity.

7. The laser cutting tab forming apparatus according to claim 6, characterized in that, The laser horizontal displacement mechanism has a first connecting plate and a second connecting plate respectively on its two moving ends. The first laser mechanism is mounted on the first connecting plate, and the second laser mechanism is mounted on the second connecting plate.

8. The laser cutting tab forming apparatus according to claim 3, characterized in that, It also includes several secondary regulatory bodies; Each of the adsorption units has a cutting adsorption seat and a corresponding cutting guide cavity below it, which are all mounted on a second adjustment mechanism. The second adjustment mechanism can adjust the position of the adsorption unit's cutting adsorption seat and the corresponding cutting guide cavity below it in the X-axis direction, Y-axis direction, and Z-axis direction.

9. The laser cutting tab forming apparatus according to claim 3, characterized in that, The adsorption units corresponding to the first laser unit and the third laser unit each include the cutting back cavity and the cutting adsorption seat arranged sequentially from left to right; The adsorption units corresponding to the second laser unit and the fourth laser unit each include the cutting adsorption seat and the cutting back cavity arranged sequentially from left to right.

10. The laser-cut tab forming apparatus according to claim 7, characterized in that, The first laser unit is mounted on the first connecting plate via a first bracket, and the first laser unit is disposed on the top of the first bracket via a first longitudinal sliding structure; The second laser unit is mounted on the first connecting plate via a second longitudinal sliding structure; The third laser unit is mounted on the second connecting plate via the second bracket, and the third laser unit is disposed on the top of the second bracket via the third longitudinal sliding structure; The fourth laser unit is mounted on the second connecting plate via a fourth longitudinal sliding structure.

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