S-shaped high-speed laser cutting tab forming equipment

Abstract

The invention provides S-shaped high-speed laser cutting tab forming equipment. The S-shaped high-speed laser cutting tab forming equipment comprises an unwinding assembly, a tension tape splicing assembly, a driving assembly, a main cutting assembly, a dust removal assembly and a winding assembly which are sequentially distributed; the main cutting assembly comprises a cutting support, an upper laser cutting assembly, a lower laser cutting assembly, a positioning frame, an upper cutting belt assembly and a lower cutting belt assembly, the upper cutting belt assembly comprises an upper cutting first roller passing mechanism, an upper flow guide mechanism and an upper cutting second roller passing mechanism, and the upper flow guide mechanism comprises an upper cutting flow guide unit and an upper first adsorption unit. The lower cutting belt assembly comprises a lower cutting first roller passing mechanism, a lower flow guide mechanism and a lower cutting second roller passing mechanism. The lower flow guide mechanism comprises a lower cutting flow guide unit and a lower first adsorption unit. The pole piece cutting device is suitable for pole pieces with different widths, pole piece roll materials can be subjected to secondary cutting in sequence, secondary reinstallation and positioning are not needed, the cutting precision is kept, adjustment is convenient, procedures are reduced, and the working efficiency is high.

Description

Technical Field

[0001] The invention relates to the technical field of pole piece processing, and in particular to an S-shaped high-speed laser cutting pole ear forming device. Background Art

[0002] The existing laser die-cutting and slitting integrated machine forms the pole ears on both sides of the pole piece, which results in large waste materials on both sides of the pole piece during the pole ear forming process; and when pole pieces of different widths need to be processed, it takes time to re-model the equipment, and after re-modeling and installation, the pole piece after the pole ear is formed is slit using a slitting tool, which makes the overall equipment space larger and the cost higher. Summary of the invention

[0003] In view of the deficiencies in the prior art, the purpose of the present invention is to provide an S-shaped high-speed laser cutting pole ear forming equipment that can adapt to pole pieces of different widths and can perform secondary cutting on pole piece rolls in sequence without the need for secondary reinstallation and positioning, thereby maintaining cutting accuracy and facilitating adjustment, reducing the number of working steps, and increasing work efficiency.

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

[0005] An S-shaped high-speed laser cutting tab forming device comprises: an unwinding assembly, a tension belt splicing assembly, a driving assembly, a total cutting assembly, a dust removal assembly, and a winding assembly which are sequentially distributed;

[0006] The unwinding assembly is used to output the pole piece coil;

[0007] The tension tape splicing assembly includes a tape splicing mechanism for changing materials and splicing tapes, and a tension swing roller mechanism for providing tension for the pole piece coil conveying;

[0008] The driving assembly includes a conveying driving member and a driving roller, and the conveying driving member causes the driving roller to rotate to pull the pole piece coil for conveying;

[0009] The total cutting assembly includes a cutting bracket, an upper laser cutting assembly, a lower laser cutting assembly, a positioning frame, an upper cutting belt assembly, and a lower cutting belt assembly. The lower laser cutting assembly is located directly below the upper laser cutting assembly. The upper laser cutting assembly includes an upper laser cutting mechanism for performing a first-stage cutting of a pole piece coil, and the lower laser cutting assembly includes a lower laser cutting mechanism for performing a second-stage cutting of a pole piece coil remaining after the first-stage cutting. The upper cutting belt assembly includes an upper cutting first roller mechanism, an upper guide mechanism, and an upper cutting second roller mechanism, which are sequentially arranged from top to bottom. The upper guide mechanism includes an upper cutting guide unit and an upper first adsorption unit which are relatively arranged. The lower cutting belt assembly includes a lower cutting first roller mechanism, a lower guide mechanism, and a lower cutting second roller mechanism, which are sequentially arranged from top to bottom. The lower guide mechanism includes a lower cutting guide unit and a lower first adsorption unit which are relatively arranged.

[0010] The dust removal assembly includes a first dust removal mechanism and a second dust removal mechanism to remove dust from the cut upper pole sheet coil and the lower pole sheet coil respectively;

[0011] The winding assembly includes a first winding mechanism and a second winding mechanism to respectively wind up the upper pole piece coil and the lower pole piece coil.

[0012] According to a preferred embodiment, the positioning frame is sequentially provided with a first X-axis moving assembly and a second X-axis moving assembly above and below, the upper cutting guide unit is detachably connected to the upper laser cutting mechanism through the first X-axis moving assembly, and the lower cutting guide unit is detachably connected to the lower laser cutting mechanism through the second X-axis moving assembly.

[0013] According to a preferred embodiment, the tension joint assembly further includes a tension detection mechanism, which is used to detect the tension of the pole piece coil, and the tension detection mechanism is electrically connected to the tension swing roller mechanism.

[0014] According to a preferred embodiment, a correction component is arranged between the driving component and the total cutting component, and the correction component includes a correction driving component, a correction frame, and a correction roller arranged on the correction frame. The correction driving component causes the correction frame to flip to drive the correction roller to adjust the position or direction of the pole piece coil.

[0015] According to a preferred embodiment, a detection mechanism is provided on one side of the upper laser cutting assembly along the direction of conveying the pole piece coil and on one side of the lower laser cutting assembly along the direction of conveying the pole piece coil;

[0016] The detection mechanism comprises a size detection unit and a surface detection unit.

[0017] According to a preferred embodiment, a reinforcing rib assembly is provided between the tension belt assembly and the driving assembly, and the reinforcing rib assembly includes a rib pressing telescopic member and a rib pressing wheel, and the rib pressing telescopic member prompts the rib pressing wheel to perform rib pressing on the pole piece coil.

[0018] According to a preferred embodiment, a belt pressing assembly is arranged between the dust removal assembly and the winding assembly, and the belt pressing assembly includes at least two belt pressing mechanisms, and the belt pressing mechanism includes a belt pressing telescopic part and a belt pressing part, and the upper pole piece coil and the lower pole piece coil are both correspondingly provided with the belt pressing mechanism.

[0019] According to a preferred embodiment, an upper second adsorption unit is further provided above the upper cutting guide unit;

[0020] A lower second adsorption unit is also arranged above the lower cutting guide unit.

[0021] According to a preferred embodiment, it also includes a first Y-axis moving component and a second Y-axis moving component;

[0022] The first Y-axis moving assembly includes a first Y-axis guide rail and a first Y-axis slider disposed on the top of the cutting bracket, and the first Y-axis slider is connected to the upper laser cutting mechanism through a first mounting member;

[0023] The second Y-axis moving assembly includes a second Y-axis guide rail and a second Y-axis slider disposed at the bottom of the cutting bracket, and the second Y-axis slider is connected to the lower laser cutting mechanism through a second mounting member.

[0024] According to a preferred embodiment, it also includes a cutting X-axis moving component;

[0025] The cutting X-axis moving assembly includes a cutting X-axis guide rail and a cutting X-axis slider;

[0026] The cutting X-axis guide rail is located below the cutting bracket and the cutting X-axis slide block is connected to the bottom of the cutting bracket.

[0027] The technical solution of the embodiment of the present invention has at least the following advantages and beneficial effects:

[0028] The present invention is provided with an upper laser cutting assembly and a lower laser cutting assembly in sequence, and can perform secondary cutting on the pole piece coil in sequence. The upper cutting guide unit is detachably connected to the upper laser cutting mechanism through a first X-axis moving assembly, and the lower cutting guide unit is detachably connected to the lower laser cutting mechanism through a second X-axis moving assembly, so that the upper cutting guide unit and the upper laser cutting mechanism move synchronously, and the lower cutting guide unit and the lower laser cutting mechanism move synchronously, without the need for secondary deviation correction and positioning, maintaining the cutting accuracy and facilitating adjustment, reducing the number of working steps, with high working efficiency and low investment cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0030] Figure 1 A schematic diagram of the structure of an S-shaped high-speed laser cutting tab forming device provided in an embodiment of the present invention;

[0031] Figure 2 A schematic diagram of the three-dimensional structure of the total cutting assembly provided by an embodiment of the present invention;

[0032] Figure 3 A schematic side view of the structure of the overall cutting assembly provided by an embodiment of the present invention;

[0033] Figure 4 This is a schematic diagram of the enlarged structure of the A position of the total cutting assembly provided by an embodiment of the present invention;

[0034] Figure 5 A schematic diagram of the three-dimensional structure of an upper cutting guide unit provided in an embodiment of the present invention;

[0035] Figure 6 A schematic diagram of the structure of a lower cutting guide unit and a lower first adsorption unit provided in an embodiment of the present invention;

[0036] Figure 7 A schematic diagram of the three-dimensional structure of a belt pressing mechanism provided in an embodiment of the present invention;

[0037] Figure 8 A schematic diagram of the three-dimensional structure of a reinforcing rib assembly provided in an embodiment of the present invention.

[0038] Icons: 1. Cutting bracket; 2. Upper laser cutting mechanism; 3. Lower laser cutting mechanism; 4. Positioning frame; 5. Upper cutting first roller mechanism; 6. Upper cutting guide unit; 7. Upper first adsorption unit; 8. Upper cutting second roller mechanism; 9. Lower cutting first roller mechanism; 10. Lower cutting guide unit; 11. Lower first adsorption unit; 12. Lower cutting second roller mechanism; 13. First X-axis guide rail; 14. First X-axis slider; 15. Second X-axis guide rail; 16. Second X-axis slider; 17. Upper second adsorption unit; 18. Lower second adsorption unit; 19. First Y-axis guide rail; 20. First Y-axis Slider; 21, second Y-axis guide rail; 22, second Y-axis slider; 23, cutting X-axis guide rail; 24, cutting X-axis slider; 25, unwinding assembly; 26, tape connection mechanism; 27, tension swing roller mechanism; 28, conveying drive member; 29, driving roller; 30, first dust removal mechanism; 31, second dust removal mechanism; 32, deviation correction drive member; 33, deviation correction frame; 34, deviation correction roller; 35, detection mechanism; 36, rib pressing telescopic member; 37, rib pressing wheel; 38, belt pressing telescopic member; 39, belt pressing member; 40, upper pole piece coil; 41, lower pole piece coil; 42, first winding mechanism; 43, second winding mechanism. DETAILED DESCRIPTION

[0039] 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.

[0040] In the description of the present invention, it should be noted that the terms "up", "down", "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, rather than indicating or implying 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.

[0041] 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 in the specification of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0042] Example

[0043] Please refer to Figures 1 to 8 , an S-shaped high-speed laser cutting pole ear forming equipment, comprising: an unwinding component 25, a tension belt assembly, a driving component, a general cutting component, a dust removal component, and a winding component which are sequentially distributed; the unwinding component 25 is used to output the pole piece coil; the tension belt assembly includes a belt splicing mechanism 26 for changing materials and splicing belts and a tension swing roller mechanism 27 for providing tension for the pole piece coil conveying; the driving component includes a conveying driving member 28 and a driving roller 29, and the conveying driving member 28 causes the driving roller 29 to rotate to pull the pole piece coil conveying; the general cutting component includes a cutting bracket 1, an upper laser cutting component, a lower laser cutting component, a positioning frame 4, an upper cutting belt assembly, and a lower cutting belt assembly, the lower laser cutting component is located directly below the upper laser cutting component, the upper laser cutting component includes an upper laser cutting mechanism 2 for cutting the pole piece coil in the first section, and the lower laser cutting component includes A lower laser cutting mechanism 3 is used to perform a second section of cutting on the remaining electrode coil after the first section of cutting; an upper cutting belt assembly includes an upper cutting first roller mechanism 5, an upper guide mechanism, and an upper cutting second roller mechanism 8, which are arranged in sequence from top to bottom, and the upper guide mechanism includes an upper cutting guide unit 6 and an upper first adsorption unit 7 which are arranged relatively, and a lower cutting belt assembly includes a lower cutting first roller mechanism 9, a lower guide mechanism, and a lower cutting second roller mechanism 12 which are arranged in sequence from top to bottom, and the lower guide mechanism includes a lower cutting guide unit 10 and a lower first adsorption unit 11 which are arranged relatively; a dust removal assembly includes a first dust removal mechanism 30 and a second dust removal mechanism 31, so as to respectively remove dust from the cut upper electrode coil 40 and the lower electrode coil 41; a winding assembly includes a first winding mechanism 42 and a second winding mechanism 43, so as to respectively wind up the upper electrode coil 40 and the lower electrode coil 41.

[0044] Preferably, the positioning frame 4 is sequentially provided with a first X-axis moving component and a second X-axis moving component above and below, the upper cutting guide unit 6 is detachably connected to the upper laser cutting mechanism 2 through the first X-axis moving component, and the lower cutting guide unit 10 is detachably connected to the lower laser cutting mechanism 3 through the second X-axis moving component.

[0045] Preferably, the tension joint assembly further includes a tension detection mechanism 35 , which is used to detect the tension of the pole piece coil, and the tension detection mechanism 35 is electrically connected to the tension swing roller mechanism 27 .

[0046] Preferably, a correction component is arranged between the driving component and the total cutting component, and the correction component includes a correction driving component 32, a correction frame 33, and a correction roller 34 arranged on the correction frame 33. The correction driving component 32 prompts the correction frame 33 to flip over, so as to drive the correction roller 34 to adjust the position or direction of the pole piece roll.

[0047] Preferably, a detection mechanism 35 is provided on one side of the upper laser cutting assembly along the direction of conveying the pole piece coil and on one side of the lower laser cutting assembly along the direction of conveying the pole piece coil;

[0048] The detection mechanism 35 includes a size detection unit and a surface detection unit.

[0049] Preferably, a reinforcing rib assembly is provided between the tension tape assembly and the driving assembly, and the reinforcing rib assembly includes a rib-pressing telescopic member 36 and a rib-pressing wheel 37. The rib-pressing telescopic member 36 prompts the rib-pressing wheel 37 to perform rib-pressing on the pole piece coil. The rib-pressing wheel 37 can perform rib-pressing on the pole piece coil, so that a texture is pressed out on the pole piece coil to enhance the vertical strength of the pole piece coil, so that the pole piece coil is not easily folded during the subsequent tape-feeding process.

[0050] Preferably, a belt pressing assembly is arranged between the dust removal assembly and the winding assembly, and the belt pressing assembly includes at least two belt pressing mechanisms, and the belt pressing mechanism includes a belt pressing telescopic part 38 and a belt pressing part 39, and the upper pole piece coil 40 and the lower pole piece coil 41 are both correspondingly provided with belt pressing mechanisms.

[0051] Preferably, an upper second adsorption unit 17 is further provided above the upper cutting guide unit 6;

[0052] A lower second adsorption unit 18 is further disposed above the lower cutting guide unit 10 .

[0053] Preferably, it also includes a first Y-axis moving component and a second Y-axis moving component;

[0054] The first Y-axis moving assembly includes a first Y-axis guide rail 19 and a first Y-axis slider 20 disposed on the top of the cutting bracket 1, and the first Y-axis slider 20 is connected to the upper laser cutting mechanism 2 through a first mounting member;

[0055] The second Y-axis moving assembly includes a second Y-axis guide rail 21 and a second Y-axis slider 22 arranged at the bottom of the cutting bracket 1, and the second Y-axis slider 22 is connected to the lower laser cutting mechanism 3 through a second mounting member.

[0056] Preferably, it also includes a cutting X-axis moving component;

[0057] The cutting X-axis moving assembly includes a cutting X-axis guide rail 23 and a cutting X-axis slider 24;

[0058] The cutting X-axis guide rail 23 is located below the cutting bracket 1 and the cutting X-axis slider 24 is connected to the bottom of the cutting bracket 1 .

[0059] Working principle of the present invention:

[0060] In this embodiment, an unwinding component 25 is provided, and an unwinding drive and an unwinding roller may be provided. The unwinding component 25 is used for placing and outputting the electrode coil. The unwinding drive and the conveying drive 28 may be driven by drive components such as motors. The belt connecting mechanism 26 is used for connecting the belt when changing the roll of incoming materials. The tension detection mechanism 35 is used to detect the tension of the electrode coil, and the tension size in the process of conveying the electrode coil is fed back to the tension swing roller mechanism 27 or fed back to the control element and then fed back to the tension swing roller mechanism 27. The tension swing roller mechanism 27 adjusts to the tension required by the device according to the fed-back tension data, thereby realizing self-regulating control of the tension. The conveying drive member 28 of the driving assembly causes the driving roller 29 to rotate, providing conveying power for the electrode coil. The total cutting assembly includes an upper laser cutting assembly and a lower laser cutting assembly, which are arranged in sequence from top to bottom, and can perform secondary cutting on the electrode coil in sequence. The upper cutting guide unit 6 is detachably connected to the upper laser cutting mechanism 2 through the first X-axis moving assembly, and the lower cutting guide unit 10 is detachably connected to the lower laser cutting mechanism 3 through the second X-axis moving assembly, so that the upper cutting guide unit 6 and the upper laser cutting mechanism 2 move synchronously, and the lower cutting guide unit 10 and the lower laser cutting mechanism 3 move synchronously, without the need for secondary correction and positioning, maintaining the cutting accuracy and facilitating adjustment, reducing the number of processes, high work efficiency and low investment cost.

[0061] In this embodiment, the pole piece coil passes through the upper cutting first roller mechanism 5, the area between the upper first adsorption unit 7 and the upper second adsorption unit 17, and the area between the upper cutting guide unit 6 and the upper cutting second roller mechanism 8 from top to bottom. The upper laser cutting mechanism 2 first cuts the pole piece coil between the upper adsorption second unit and the upper first adsorption unit 7 in half, that is, performs the first section cutting. The pole piece coil after cutting is divided into an upper pole piece coil 40 and a lower pole piece coil 41. The upper pole piece coil 40 passes through the upper cutting guide unit 6 and the upper cutting second roller mechanism 8 and then moves to Figure 3As shown in the right side output, the lower pole sheet coil 41 passes through the area between the upper cutting guide unit 6 and the upper cutting second roller mechanism 8 and is transported to the area between the lower adsorption second unit and the lower first adsorption unit 11, and the lower laser cutting mechanism 3 performs the second section of laser cutting on the lower pole sheet coil 41 in the area between the lower adsorption second unit and the lower first adsorption unit 11.

[0062] The correction component drives the correction roller 34 to adjust the inclination or height position through the correction frame 33, thereby driving the position or direction of the wound pole piece coil to be adjusted. The first dust removal mechanism 30 is used to remove dust from the cut upper pole piece coil 40, and the second dust removal mechanism 31 is used to remove dust from the cut lower pole piece coil 41. The first dust removal mechanism 30 and the second dust removal mechanism 31 can both select a wind knife structure. Through the wind knife dust removal, the front and back sides of the upper pole piece coil 40 and the lower pole piece coil 41 can be dusted respectively. In addition, in this embodiment, brushes and magnets can also be selected for dust removal and impurity removal, and the front and back sides of the upper pole piece coil 40 and the lower pole piece coil 41 can be dusted and iron filings removed respectively. Both the size detection unit and the surface detection unit can select CCD detection units. CCD detection can detect the size of the pole piece, such as visual inspection of the quality of the pole piece after forming; or detect defects on the front and back sides of the pole piece, such as visual inspection of defects in the coating area on the front and back sides of the pole piece; or measure the distance traveled by the pole piece.

[0063] The belt pressing mechanism can press the incoming material when reeling and changing the coil, which is convenient for changing or reeling. After the pole piece coil passes through the belt pressing mechanism, the pole piece coil can be smoothed. This embodiment is provided with a smoothing mechanism to prevent the pole piece from folding, bulging, etc. Finally, the winding assembly winds up the processed pole piece coil, the first winding mechanism 42 winds up the upper pole piece coil 40, and the second winding mechanism 43 winds up the lower pole piece coil 41.

[0064] In this embodiment, an upper connecting part is provided at the bottom of the upper cutting guide unit 6, and a lower connecting part is provided at the bottom of the lower cutting guide unit 10. The upper connecting part is connected to the first X-axis slider 14 through a detachable part, and the detachable part can be a detachable structure such as a bolt. Similarly, the lower connecting part is connected to the second X-axis slider 16 through a detachable part, so that the upper cutting guide unit 6 and the upper laser cutting mechanism 2 remain in the same straight line during the movement, thereby ensuring the processing accuracy. Similarly, the lower cutting guide unit 10 and the lower laser cutting mechanism 3 remain in the same straight line during the movement, thereby ensuring the processing accuracy. In addition, in this embodiment, the upper connecting part is provided with a plurality of upper connecting grooves to adjust the stable position with the upper laser cutting mechanism 2, so that the upper laser cutting mechanism 2 and the upper cutting guide unit 6 move as a whole, and the lower connecting part is provided with a plurality of lower connecting grooves to adjust the stable position with the upper laser cutting mechanism 2. The first X-axis moving assembly includes a first X-axis guide rail 13 and a first X-axis slider 14; the second X-axis moving assembly includes a second X-axis guide rail 15 and a second X-axis slider 16; the first X-axis guide rail 13 and the second X-axis guide rail 15 are both arranged on the positioning frame 4; the upper cutting guide unit 6 is connected to the first X-axis slider 14 through an upper connecting part, and the lower cutting guide unit 10 is connected to the second X-axis slider 16 through a lower connecting part, the upper connecting part is provided with a plurality of upper connecting grooves connected to the upper laser cutting mechanism 2, and the lower connecting part is provided with a plurality of lower connecting grooves connected to the lower laser cutting mechanism 3.

[0065] An upper second adsorption unit 17 is also provided above the upper cutting guide unit 6; and a lower second adsorption unit 18 is also provided above the lower cutting guide unit 10. Both the upper second adsorption unit 17 and the lower second adsorption unit 18 can be connected to an external negative pressure unit to ensure the adsorption function, adsorb and level the passing upper pole sheet coil 40 or lower pole sheet coil 41, adsorb and adhere and guide the upper pole sheet coil 40 or lower pole sheet coil 41 for transportation, and ensure the quality of transportation and positioning and guiding the upper pole sheet coil 40 or lower pole sheet coil 41.

[0066] Preferably, a first Y-axis moving assembly and a second Y-axis moving assembly are also included; the first Y-axis moving assembly includes a first Y-axis guide rail 19 and a first Y-axis slider 20 arranged at the top of the cutting bracket 1, and the first Y-axis slider 20 is connected to the upper laser cutting mechanism 2 through a first mounting member; the second Y-axis moving assembly includes a second Y-axis guide rail 21 and a second Y-axis slider 22 arranged at the bottom of the cutting bracket 1, and the second Y-axis slider 22 is connected to the lower laser cutting mechanism 3 through a second mounting member. The first Y-axis slider 20 can move along the first Y-axis guide rail 19, and can cause the upper laser cutting mechanism 2 to move along the Y-axis direction. The second Y-axis slider 22 can move along the second Y-axis guide rail 21, and can cause the lower laser cutting mechanism 3 to move along the Y-axis direction.

[0067] Preferably, a cutting X-axis moving assembly is also included; the cutting X-axis moving assembly includes a cutting X-axis guide rail 23 and a cutting X-axis slider 24; the cutting X-axis guide rail 23 is located below the cutting bracket 1 and the cutting X-axis slider 24 is connected to the bottom of the cutting bracket 1. The cutting X-axis slider 24 is arranged to move along the cutting X-axis guide rail 23, which can simultaneously cause the upper laser cutting mechanism 2 and the lower laser cutting mechanism 3 to move along the X-axis direction.

[0068] Preferably, a collecting hopper is also included, and the collecting hopper is located below the lower cutting belt assembly. The collecting hopper is provided to collect the debris produced by the upper laser cutting mechanism 2 and the lower laser cutting mechanism 3. Figure 6 The shape of the aggregate hopper and its location can be seen.

[0069] The upper cutting guide unit 6 and the lower cutting guide unit 10 are respectively connected to negative pressure units. The upper cutting guide unit 6 and the lower cutting guide unit 10 both include multiple cylindrical belts and negative pressure units. The negative pressure units adsorb the upper pole sheet roll 40 or the lower pole sheet roll 41 on the cylindrical belts to promote the flattening and conveying of the upper pole sheet roll 40 or the lower pole sheet roll 41 to avoid wrinkles.

[0070] The technical means disclosed in the scheme of the present invention are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical schemes composed of any combination of the above-mentioned 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 present invention, and these improvements and modifications are also regarded as the protection scope of the present invention.

Claims

1. An S-shaped high-speed laser cutting tab forming device, characterized in that: include: The unwinding assembly, tension belt splicing assembly, driving assembly, total cutting assembly, dust removal assembly and winding assembly are arranged in sequence; The unwinding assembly is used to output the pole piece coil; The tension tape splicing assembly includes a tape splicing mechanism for changing materials and splicing tapes, and a tension swing roller mechanism for providing tension for the pole piece coil conveying; The driving assembly includes a conveying driving member and a driving roller, and the conveying driving member causes the driving roller to rotate to pull the pole piece coil for conveying; The total cutting assembly includes a cutting bracket, an upper laser cutting assembly, a lower laser cutting assembly, a positioning frame, an upper cutting belt assembly, and a lower cutting belt assembly. The lower laser cutting assembly is located directly below the upper laser cutting assembly. The upper laser cutting assembly includes an upper laser cutting mechanism for performing a first-stage cutting of a pole piece coil, and the lower laser cutting assembly includes a lower laser cutting mechanism for performing a second-stage cutting of a pole piece coil remaining after the first-stage cutting. The upper cutting belt assembly includes an upper cutting first roller mechanism, an upper guide mechanism, and an upper cutting second roller mechanism, which are sequentially arranged from top to bottom. The upper guide mechanism includes an upper cutting guide unit and an upper first adsorption unit which are relatively arranged. The lower cutting belt assembly includes a lower cutting first roller mechanism, a lower guide mechanism, and a lower cutting second roller mechanism, which are sequentially arranged from top to bottom. The lower guide mechanism includes a lower cutting guide unit and a lower first adsorption unit which are relatively arranged. The dust removal assembly includes a first dust removal mechanism and a second dust removal mechanism to remove dust from the cut upper pole sheet coil and the lower pole sheet coil respectively; The winding assembly includes a first winding mechanism and a second winding mechanism to respectively wind up the upper pole piece coil and the lower pole piece coil.

2. The S-shaped high-speed laser cutting tab forming equipment according to claim 1, characterized in that: The positioning frame is sequentially provided with a first X-axis moving assembly and a second X-axis moving assembly above and below. The upper cutting guide unit is detachably connected to the upper laser cutting mechanism through the first X-axis moving assembly, and the lower cutting guide unit is detachably connected to the lower laser cutting mechanism through the second X-axis moving assembly.

3. The S-shaped high-speed laser cutting tab forming equipment according to claim 1, characterized in that: The tension joint assembly also includes a tension detection mechanism, which is used to detect the tension of the pole piece coil, and the tension detection mechanism is electrically connected to the tension swing roller mechanism.

4. The S-shaped high-speed laser cutting tab forming equipment according to claim 1, characterized in that: A deflection correction component is arranged between the driving component and the total cutting component, and the deflection correction component includes a deflection correction driving component, a deflection correction frame, and a deflection correction roller arranged on the deflection correction frame. The deflection correction driving component causes the deflection correction frame to flip to drive the deflection correction roller to adjust the position or direction of the pole piece coil.

5. The S-shaped high-speed laser cutting tab forming equipment according to claim 1, characterized in that: A detection mechanism is provided on one side of the upper laser cutting assembly along the direction of conveying the pole piece coil and on one side of the lower laser cutting assembly along the direction of conveying the pole piece coil; The detection mechanism comprises a size detection unit and a surface detection unit.

6. The S-shaped high-speed laser cutting tab forming equipment according to claim 1, characterized in that: A reinforcing rib assembly is provided between the tension belt assembly and the driving assembly. The reinforcing rib assembly includes a rib pressing telescopic member and a rib pressing wheel. The rib pressing telescopic member prompts the rib pressing wheel to perform rib pressing on the pole piece coil.

7. The S-shaped high-speed laser cutting tab forming equipment according to claim 1, characterized in that: A belt pressing assembly is arranged between the dust removal assembly and the winding assembly, and the belt pressing assembly includes at least two belt pressing mechanisms. The belt pressing mechanism includes a belt pressing telescopic part and a belt pressing part. The upper pole piece coil and the lower pole piece coil are both correspondingly provided with the belt pressing mechanisms.

8. The S-shaped high-speed laser cutting tab forming equipment according to claim 1, characterized in that: An upper second adsorption unit is also provided above the upper cutting guide unit; A lower second adsorption unit is also arranged above the lower cutting guide unit.

9. The S-shaped high-speed laser cutting tab forming equipment according to claim 1, characterized in that: Also includes a first Y-axis moving component and a second Y-axis moving component; The first Y-axis moving assembly includes a first Y-axis guide rail and a first Y-axis slider disposed on the top of the cutting bracket, and the first Y-axis slider is connected to the upper laser cutting mechanism through a first mounting member; The second Y-axis moving assembly includes a second Y-axis guide rail and a second Y-axis slider disposed at the bottom of the cutting bracket, and the second Y-axis slider is connected to the lower laser cutting mechanism through a second mounting member.

10. The S-shaped high-speed laser cutting tab forming equipment according to claim 8, characterized in that: Also included is a cutting X-axis moving component; The cutting X-axis moving assembly includes a cutting X-axis guide rail and a cutting X-axis slider; The cutting X-axis guide rail is located below the cutting bracket and the cutting X-axis slide block is connected to the bottom of the cutting bracket.

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