Laser cutting mechanism

Abstract

The utility model provides a laser cutting mechanism. The laser cutting mechanism comprises a workbench, a laser, an adsorption belt assembly, a back adsorption cavity assembly and a waste belt assembly. The adsorption belt assembly, the back suction cavity assembly and the laser are all arranged on the workbench, the back suction cavity assembly is located above the adsorption belt assembly, the area between the back suction cavity assembly and the adsorption belt assembly is a laser cutting area, and the output end of the laser faces the laser cutting area; the waste belt assembly is located between the adsorption belt assembly and the laser. The output end of the back suction cavity assembly is provided with an adsorption surface with a plurality of adsorption holes; the waste belt assembly comprises a first vacuum cavity capable of adsorbing and collecting waste. The adsorption belt assembly and the back adsorption cavity assembly are arranged to stably adsorb and convey the material belt, the laser can stably cut the material belt, the waste removing function is achieved, and the cutting quality of the material belt is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of battery pole piece processing, in particular to a laser cutting mechanism. Background Art

[0002] At present, the battery manufacturing industry is developing rapidly. Tab forming is an important process in battery manufacturing. The existing laser die-cutting mechanism is not compatible with cutting small-sized tabs, and the cutting is unstable, which affects the product quality. In addition, the existing technology mainly uses a combination of blowing and adsorption to remove dust and slag. However, the blowing and adsorption methods are difficult to completely remove the slag on the tabs, which results in insufficient cleanliness of the pole piece, affecting the overall quality of the product. Utility Model Content

[0003] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a laser cutting mechanism, which is provided with an adsorption belt assembly and a back suction chamber assembly for stably adsorbing and conveying the material belt. The laser can stably cut the material belt and has the function of removing waste materials to ensure the cutting quality of the material belt.

[0004] The embodiments of the present invention are implemented by the following technical solutions:

[0005] A laser cutting mechanism, comprising:

[0006] Workbench, laser, suction belt assembly, back suction chamber assembly and waste belt assembly;

[0007] The adsorption belt assembly, the back suction chamber assembly and the laser are all arranged on the workbench, the back suction chamber assembly is located above the adsorption belt assembly, the area between the back suction chamber assembly and the adsorption belt assembly is the laser cutting area, and the output end of the laser is arranged toward the laser cutting area; the waste belt assembly is located between the adsorption belt assembly and the laser;

[0008] The output end of the back suction chamber assembly is provided with a suction surface with a plurality of suction holes; the waste belt assembly comprises a first vacuum chamber which can absorb and collect waste.

[0009] According to a preferred embodiment, the waste belt assembly also includes a first transmission belt and a first driving mechanism, the first transmission belt is sleeved on the surface of the first vacuum chamber and driven by the first driving mechanism, the surface of the first vacuum chamber is provided with a first mesh plate, the first mesh plate is located between the first transmission belt and the first vacuum chamber, and an outer wall of the first vacuum chamber is provided with a first negative pressure connection end.

[0010] According to a preferred embodiment, the first vacuum chamber is arranged tilted.

[0011] According to a preferred embodiment, the highest point of the top of the first vacuum chamber is not higher than the highest point of the adsorption belt assembly, and the space between the first vacuum chamber and the adsorption belt assembly forms a channel to ensure the passage of the belt material.

[0012] According to a preferred embodiment, the laser is movably connected to the top of the workbench via a base, and a mounting bracket is provided on the base extending toward the adsorption belt assembly, and the waste belt assembly is arranged on the mounting bracket.

[0013] According to a preferred embodiment, an anti-suction plate is provided at one end of the mounting bracket close to the adsorption belt assembly, and one end of the anti-suction plate extends toward the first transmission belt and covers a gap between the mounting bracket and the first transmission belt.

[0014] According to a preferred embodiment, the anti-suction plate is provided with a plurality of anti-suction holes.

[0015] According to a preferred embodiment, the adsorption belt assembly further includes a second vacuum chamber having an adsorption material belt, a second transmission belt and a second driving mechanism, wherein the second transmission belt is sleeved on the surface of the second vacuum chamber and driven by the second driving mechanism, and a second mesh plate is provided on the surface of the second vacuum chamber, and the second mesh plate is located between the second transmission belt and the second vacuum chamber;

[0016] A second negative pressure connection end is arranged on a side of the second vacuum chamber away from the laser, and an elastic brush wire for cleaning debris on the second transmission belt is arranged on the second negative pressure connection end.

[0017] According to a preferred embodiment, the back suction chamber assembly further comprises a third vacuum chamber, the adsorption surface is arranged on an end face of the third vacuum chamber facing the laser, and a third negative pressure connection end is provided on the other end face of the third vacuum chamber.

[0018] According to a preferred embodiment, a feeding roller mechanism for conveying the material belt is arranged above the back suction chamber assembly, and a traction roller mechanism for traction the material belt is arranged below the adsorption belt assembly, and the feeding roller mechanism and the traction roller mechanism enable the material belt to pass through the laser cutting area.

[0019] The technical solution of the embodiment of the utility model has at least the following advantages and beneficial effects:

[0020] The utility model is provided with an adsorption belt component and a back suction chamber component for stably adsorbing and conveying the material belt, a laser can stably cut the material belt, and a waste material adsorption component is provided, which has the function of removing waste materials, thereby ensuring the cutting quality of the material belt. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 A schematic diagram of the structure of a laser cutting mechanism provided in Example 1 of the utility model;

[0023] Figure 2 A schematic diagram of the three-dimensional structure of a laser cutting mechanism provided in Example 1 of the utility model;

[0024] Figure 3 A side structural schematic diagram of the adsorption belt assembly, the back suction chamber assembly and the waste belt assembly provided in Example 1 of the utility model;

[0025] Figure 4 A schematic diagram of the top view of the adsorption belt assembly provided in Example 1 of the utility model;

[0026] Figure 5 This is a schematic diagram of the three-dimensional structure of the adsorption belt assembly, the back suction chamber assembly and the waste belt assembly provided in Example 1 of the utility model.

[0027] Icons: 1. Workbench; 2. Laser; 21. Base; 3. Adsorption belt assembly; 31. Second vacuum chamber; 32. Second transmission belt; 33. Second driving mechanism; 34. Second mesh plate; 35. Second negative pressure connection end; 4. Back suction chamber assembly; 41. Adsorption surface; 42. Third vacuum chamber; 43. Third negative pressure connection end; 5. Waste belt assembly; 51. First vacuum chamber; 52. First transmission belt; 53. First driving mechanism; 54. First mesh plate; 55. First negative pressure connection end; 6. Laser cutting area; 7. Mounting bracket; 8. Anti-absorption plate; 81. Adsorption hole; 9. Feeding roller mechanism; 10. Traction roller mechanism; 11. Elastic brush wire. DETAILED DESCRIPTION

[0028] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0029] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0031] Example 1

[0032] Please refer to Figures 1 to 5 A laser cutting mechanism includes: a workbench 1, a laser 2, an adsorption belt assembly 3, a back suction chamber assembly 4 and a waste belt assembly 5; the adsorption belt assembly 3, the back suction chamber assembly 4 and the laser 2 are all arranged on the workbench 1, the back suction chamber assembly 4 is located above the adsorption belt assembly 3, the area between the back suction chamber assembly 4 and the adsorption belt assembly 3 is a laser cutting area 6, and the output end of the laser 2 is arranged toward the laser cutting area 6; the waste belt assembly 5 is located between the adsorption belt assembly 3 and the laser 2;

[0033] The output end of the back suction chamber assembly 4 is provided with a suction surface 41 with a plurality of suction holes 81; the waste belt assembly 5 includes a first vacuum chamber 51 which can absorb and collect waste.

[0034] Preferably, the waste belt assembly 5 also includes a first transmission belt 52 and a first driving mechanism 53. The first transmission belt 52 is sleeved on the surface of the first vacuum chamber 51 and driven by the first driving mechanism 53. A first mesh plate 54 is provided on the surface of the first vacuum chamber 51. The first mesh plate 54 is located between the first transmission belt 52 and the first vacuum chamber 51. An outer wall of the first vacuum chamber 51 is provided with a first negative pressure connection end 55.

[0035] Preferably, the first vacuum chamber 51 is tilted. The tilted setting can avoid obstruction of the conveying of the material belt and the influence of some waste materials on the quality of the material belt during the conveying process of the material belt, and the gravity of the waste materials and the material belt is used to convey the waste materials downward, so that the waste materials fall and the waste materials are separated from the material belt.

[0036] Preferably, the highest point of the top of the first vacuum chamber 51 is not higher than the highest point of the adsorption belt assembly 3, and the space between the first vacuum chamber 51 and the adsorption belt assembly 3 forms a channel to ensure the passage of the belt material, thereby avoiding blocking the laser cutting and providing a larger space for the belt conveyor, and being able to absorb the floating and falling debris.

[0037] Preferably, the laser 2 is movably connected to the top of the workbench 1 through a base 21, and the base 21 is provided with a mounting bracket 7 extending toward the adsorption belt assembly 3, and the waste belt assembly 5 is arranged on the mounting bracket 7. In this embodiment, the mounting bracket 7 can be adjusted forward and backward, so that the position of the waste belt assembly 5 can be adjusted, so that the waste belt assembly 5 is close to the material belt or away from the material belt, and the falling limit space of the material belt can be adjusted conveniently.

[0038] Preferably, an anti-suction plate 8 is provided at one end of the mounting bracket 7 close to the adsorption belt assembly 3, and one end of the anti-suction plate 8 extends toward the first transmission belt 52 and covers the gap between the mounting bracket 7 and the first transmission belt 52. The anti-suction plate 8 is provided to prevent the waste belt assembly 5 from having a reaction to the material belt (pole piece).

[0039] Preferably, the anti-absorption plate 8 is provided with a plurality of anti-absorption holes. The anti-absorption holes are provided to ensure uniform adsorption and avoid partial uneven negative pressure, which makes the material belt transmission unstable.

[0040] Preferably, the adsorption belt assembly 3 further includes a second vacuum chamber 31 for adsorbing the material belt, a second transmission belt 32 and a second driving mechanism 33, the second transmission belt 32 is sleeved on the surface of the second vacuum chamber 31 and driven by the second driving mechanism 33, a second mesh plate 34 is provided on the surface of the second vacuum chamber 31, and the second mesh plate 34 is located between the second transmission belt 32 and the second vacuum chamber 31;

[0041] A second negative pressure connection end 35 is disposed on a side of the second vacuum chamber 31 away from the laser 2 , and an elastic brush 11 for cleaning debris on the second transmission belt 32 is disposed on the second negative pressure connection end 35 .

[0042] Preferably, the back suction chamber assembly 4 further comprises a third vacuum chamber 42 , the suction surface 41 is arranged at one end surface of the third vacuum chamber 42 facing the laser 2 , and the other end surface of the third vacuum chamber 42 is provided with a third negative pressure connection end 43 .

[0043] Preferably, a feeding roller mechanism 9 for conveying the material belt is arranged above the back suction chamber assembly 4, and a traction roller mechanism 10 for traction the material belt is arranged below the adsorption belt assembly 3. The feeding roller mechanism 9 and the traction roller mechanism 10 enable the material belt to pass through the laser cutting area 6.

[0044] Working principle of the utility model: In this embodiment, the laser 2 is movably mounted on the workbench 1 through the base 21, so that the front and back or left and right position of the laser 2 can be adjusted. The front and back directions mentioned in this embodiment are: the direction of the laser 2 toward the laser cutting area 6 is the front direction, and the direction of the laser 2 away from the laser cutting area 6 is the rear direction.

[0045] The material belt is transported from the feeding roller mechanism 9 to the traction roller mechanism 10 (transported from top to bottom). The conveying process passes through the feeding roller mechanism 9, the back suction chamber assembly 4, the adsorption belt assembly 3, part of the waste belt assembly 5, and the traction roller mechanism 10 in sequence. A laser cutting area 6 is formed between the back suction chamber assembly 4 and the adsorption belt assembly 3. The back suction chamber assembly 4 and the adsorption belt assembly 3 adsorb the upper end and the lower end of the material belt respectively, so that the material belt is adsorbed and transported stably during the conveying process. The laser 2 cuts and shapes the material belt on the laser cutting area 6. After cutting, the waste belt assembly 5 adsorbs the cut waste pieces and brings them into the hopper for processing. The hopper is located below the waste adsorption assembly, which is not shown in the figure. It is attached Figure 1 The rectangular structure directly below the waste belt assembly 5.

[0046] The first vacuum chamber 51, the second vacuum chamber 31 and the third vacuum chamber 42 are all hollow vacuum chambers of different shapes such as rectangular parallelepiped or cube, and are connected to an external negative pressure source through the first negative pressure connection end 55, the second negative pressure connection end 35 and the third negative pressure connection end 43 respectively. The first vacuum chamber 51 adsorbs the material tape through the hole-shaped or groove-shaped structure of the first mesh plate 54, the second vacuum chamber 31 adsorbs the material tape through the hole-shaped or groove-shaped structure of the second mesh plate 34, and the third vacuum chamber 42 adsorbs the material tape through the adsorption surface 41.

[0047] Among them, the second vacuum chamber 31 on the adsorption belt assembly 3 can be connected to the dust extraction structure at the same time, and dust extraction can also be performed simultaneously during the adsorption process of the material belt. In this embodiment, an elastic brush 11 is also provided to clean the second transmission belt 32. The first transmission belt 52 and the second transmission belt 32 are both composed of multiple round belts, and the multiple round belts are arranged side by side on the corresponding vacuum chamber surface, which can meet the adsorption and conveying functions at the same time.

[0048] Specifically, Figure 3 As shown, a shading plate is provided on one side of the back suction chamber assembly 4, and the shading plate is located on the side of the laser cutting area 6 away from the laser 2, so as to further ensure the high quality completion of the laser cutting.

[0049] The technical means disclosed in the solution of the utility model are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications are also regarded as the protection scope of the utility model.

Claims

1. A laser cutting mechanism, characterized in that: include: Workbench, laser, suction belt assembly, back suction chamber assembly and waste belt assembly; The adsorption belt assembly, the back suction chamber assembly and the laser are all arranged on the workbench, the back suction chamber assembly is located above the adsorption belt assembly, the area between the back suction chamber assembly and the adsorption belt assembly is the laser cutting area, and the output end of the laser is arranged toward the laser cutting area; the waste belt assembly is located between the adsorption belt assembly and the laser; The output end of the back suction chamber assembly is provided with a suction surface with a plurality of suction holes; the waste belt assembly comprises a first vacuum chamber which can absorb and collect waste.

2. The laser cutting mechanism according to claim 1, characterized in that: The waste belt assembly also includes a first transmission belt and a first driving mechanism. The first transmission belt is sleeved on the surface of the first vacuum chamber and driven by the first driving mechanism. A first mesh plate is provided on the surface of the first vacuum chamber. The first mesh plate is located between the first transmission belt and the first vacuum chamber. A first negative pressure connection end is provided on an outer wall of the first vacuum chamber.

3. The laser cutting mechanism according to claim 2, characterized in that: The first vacuum chamber is arranged tilted.

4. The laser cutting mechanism according to claim 3, characterized in that: The highest point of the top of the first vacuum chamber is not higher than the highest point of the adsorption belt assembly, and the space between the first vacuum chamber and the adsorption belt assembly forms a channel to ensure the passage of the belt material.

5. The laser cutting mechanism according to claim 2, characterized in that: The laser is movably connected to the top of the workbench through a base, and a mounting bracket is provided on the base extending toward the adsorption belt assembly, and the waste belt assembly is arranged on the mounting bracket.

6. The laser cutting mechanism according to claim 5, characterized in that: An anti-suction plate is disposed at one end of the mounting bracket close to the adsorption belt assembly, and one end of the anti-suction plate extends toward the first transmission belt and covers a gap between the mounting bracket and the first transmission belt.

7. The laser cutting mechanism according to claim 6, characterized in that: The anti-suction plate is provided with a plurality of anti-suction holes.

8. The laser cutting mechanism according to claim 1, characterized in that: The adsorption belt assembly also includes a second vacuum chamber having an adsorption material belt, a second transmission belt and a second driving mechanism, wherein the second transmission belt is sleeved on the surface of the second vacuum chamber and driven by the second driving mechanism, and a second mesh plate is provided on the surface of the second vacuum chamber, and the second mesh plate is located between the second transmission belt and the second vacuum chamber; A second negative pressure connection end is arranged on a side of the second vacuum chamber away from the laser, and an elastic brush wire for cleaning debris on the second transmission belt is arranged on the second negative pressure connection end.

9. The laser cutting mechanism according to claim 1, characterized in that: The back suction chamber assembly further comprises a third vacuum chamber, the suction surface is arranged on one end face of the third vacuum chamber facing the laser direction, and the other end face of the third vacuum chamber is provided with a third negative pressure connection end.

10. The laser cutting mechanism according to claim 1, characterized in that: A feeding roller mechanism for conveying the material belt is arranged above the back suction chamber assembly, and a traction roller mechanism for traction the material belt is arranged below the adsorption belt assembly. The feeding roller mechanism and the traction roller mechanism enable the material belt to pass through the laser cutting area.

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