Cutting mechanism for dividing and processing pole piece

Abstract

The utility model provides a cutting mechanism for dividing and processing a pole piece, which comprises a cutting bracket, an upper laser cutting assembly and a lower laser cutting assembly, the positioning frame is provided with 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 which are sequentially arranged from top to bottom, and the upper flow guide mechanism comprises an upper cutting flow guide unit and an upper first adsorption unit which are oppositely arranged; 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 which are sequentially arranged from top to bottom. The lower flow guide mechanism comprises a lower cutting flow guide unit and a lower first adsorption unit which are oppositely arranged. The pole piece coil stock 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 utility model relates to the field of pole piece processing technology especially relates to a cutting mechanism of pole piece middle split processing. BACKGROUND

[0002] At present, the cutting mechanism of the existing battery pole piece processing technology is configured on both sides of the pole piece to be processed to adapt to the ear cutting process on both sides, and the width needs to be adjusted when the product is changed, and the process needs to be debugged before secondary processing. The change work is complicated, and the laser debugging is difficult. And the conventional both-side ear processing equipment also needs to be split after ear processing, and needs to be equipped with a splitting knife module in the equipment. Secondary deviation positioning is needed during splitting, the process is complicated, and many mechanisms are needed, which causes the rise of equipment cost. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model aims at providing a cutting mechanism for pole piece middle split processing, which can sequentially cut the pole piece coil material twice without the need for secondary reinstallation and positioning, maintains the accuracy of cutting and facilitates adjustment, reduces the process, and has high working efficiency.

[0004] The embodiment of the utility model realizes by the following technical schemes:

[0005] A cutting mechanism for pole piece middle split processing comprises:

[0006] The cutting support is provided with an upper laser cutting assembly and a lower laser cutting assembly. The lower laser cutting assembly is located directly below the upper laser cutting assembly. The upper laser cutting assembly comprises an upper laser cutting mechanism for first-stage cutting of the pole piece coil material. The lower laser cutting assembly comprises a lower laser cutting mechanism for second-stage cutting of the pole piece coil material remaining after first-stage cutting.

[0007] The positioning frame is provided with an upper cutting belt assembly and a lower cutting belt assembly. The upper cutting belt assembly comprises an upper cutting first pass roller mechanism, an upper flow guide mechanism and an upper cutting second pass roller mechanism arranged in sequence from top to bottom. The upper flow guide mechanism comprises an upper cutting flow guide unit and an upper first adsorption unit arranged oppositely. The lower cutting belt assembly comprises a lower cutting first pass roller mechanism, a lower flow guide mechanism and a lower cutting second pass roller mechanism arranged in sequence from top to bottom. The lower flow guide mechanism comprises a lower cutting flow guide unit and a lower first adsorption unit arranged oppositely.

[0008] The positioning frame is sequentially provided with a first X-axis moving assembly and a second X-axis moving assembly from top to bottom. The upper cutting flow guide unit is detachably connected to the upper laser cutting mechanism through the first X-axis moving assembly. The lower cutting flow guide unit is detachably connected to the lower laser cutting mechanism through the second X-axis moving assembly.

[0009] According to a preferred embodiment, the first X-axis moving assembly comprises a first X-axis guide rail and a first X-axis sliding block;

[0010] The second X-axis moving assembly comprises a second X-axis guide rail and a second X-axis sliding block;

[0011] The first X-axis guide rail and the second X-axis guide rail are arranged on the positioning frame;

[0012] The upper cutting flow guide unit is connected with the first X-axis sliding block through an upper connecting part, the lower cutting flow guide unit is connected with the second X-axis sliding block through a lower connecting part, the upper connecting part is provided with a plurality of upper connecting grooves connected with the upper laser cutting mechanism, and the lower connecting part is provided with a plurality of lower connecting grooves connected with the lower laser cutting mechanism.

[0013] According to a preferred embodiment, an upper second adsorption unit is further arranged above the upper cutting flow guide unit;

[0014] A lower second adsorption unit is further arranged above the lower cutting flow guide unit.

[0015] According to a preferred embodiment, a first Y-axis moving assembly and a second Y-axis moving assembly are further included;

[0016] The first Y-axis moving assembly comprises a first Y-axis guide rail and a first Y-axis sliding block arranged on the top of the cutting support, and the first Y-axis sliding block is connected with the upper laser cutting mechanism through a first mounting piece;

[0017] The second Y-axis moving assembly comprises a second Y-axis guide rail and a second Y-axis sliding block arranged on the bottom of the cutting support, and the second Y-axis sliding block is connected with the lower laser cutting mechanism through a second mounting piece.

[0018] According to a preferred embodiment, a cutting X-axis moving assembly is further included;

[0019] The cutting X-axis moving assembly comprises a cutting X-axis guide rail and a cutting X-axis sliding block;

[0020] The cutting X-axis guide rail is located below the cutting support, and the cutting X-axis sliding block is connected with the bottom of the cutting support.

[0021] According to a preferred embodiment, a collecting hopper is further included, and the collecting hopper is located below the lower cutting belt assembly.

[0022] According to a preferred embodiment, the upper cutting flow guide unit and the lower cutting flow guide unit are connected with dust removal units.

[0023] According to a preferred embodiment, both the outer wall of the upper cutting guide unit and the outer wall of the lower cutting guide unit are provided with laser protective plates;

[0024] A laser baffle is provided on the side of the upper first adsorption unit away from the upper laser cutting mechanism and on the side of the lower first adsorption unit away from the lower laser cutting mechanism.

[0025] According to a preferred embodiment, the laser protective plate is inclined to fit against the top outer wall of the upper cutting guide unit and the top outer wall of the lower cutting guide unit.

[0026] The technical solution of this utility model embodiment has at least the following advantages and beneficial effects:

[0027] This utility model has an upper laser cutting assembly and a lower laser cutting assembly arranged sequentially, which can perform secondary cutting on the electrode roll material. 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. This allows the upper cutting guide unit and the upper laser cutting mechanism to move synchronously, and the lower cutting guide unit and the lower laser cutting mechanism to move synchronously. This eliminates the need for secondary reinstallation and positioning, maintains cutting accuracy, facilitates adjustment, reduces processes, increases work efficiency, and reduces investment costs. Attached Figure Description

[0028] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model 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.

[0029] Figure 1 A three-dimensional structural schematic diagram of a cutting mechanism for electrode splitting processing provided for an embodiment of this utility model;

[0030] Figure 2 A side view of a cutting mechanism for electrode splitting processing provided in an embodiment of this utility model;

[0031] Figure 3 An enlarged structural diagram of point A of a cutting mechanism for electrode splitting processing provided in an embodiment of this utility model;

[0032] Figure 4 A three-dimensional structural schematic diagram of the upper cutting and guiding unit provided in an embodiment of this utility model;

[0033] Figure 5This is a side view of the lower cutting and guiding unit and the lower first adsorption unit provided in an embodiment of the present invention.

[0034] Icons: 1. Cutting bracket; 2. Upper laser cutting mechanism; 3. Lower laser cutting mechanism; 4. Positioning frame; 5. Upper first cutting roller mechanism; 6. Upper cutting guide unit; 7. Upper first adsorption unit; 8. Upper second cutting roller mechanism; 9. Lower first cutting roller mechanism; 10. Lower cutting guide unit; 11. Lower first adsorption unit; 12. Lower second cutting roller mechanism; 13. First X-axis guide rail; 14. First X-axis slider; 15. Second X-axis guide rail; 6. 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. First mounting component; 24. Second mounting component; 25. Dust removal unit; 26. Collection hopper; 27. Laser protective plate; 28. Laser baffle; 29. ​​Cutting X-axis guide rail; 30. Cutting X-axis slider; 31. Upper electrode roll; 32. Lower electrode roll. Detailed Implementation

[0035] 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.

[0036] In the description of this utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" 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 utility model 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 utility model.

[0037] 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 is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

[0038] Example

[0039] Please refer to Figures 1 to 5A cutting mechanism for electrode sheet processing includes: a cutting support 1, which is equipped with an upper laser cutting assembly and a lower laser cutting 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 2 for performing a first-stage cut on the electrode sheet roll, and the lower laser cutting assembly includes a lower laser cutting mechanism 3 for performing a second-stage cut on the remaining electrode sheet roll after the first-stage cut; and a positioning frame 4, which is equipped with an upper cutting belt assembly and a lower cutting belt assembly; the upper cutting belt assembly includes an upper cutting first roller mechanism 5, an upper guide mechanism, and an upper cutting second roller mechanism arranged sequentially from top to bottom. Mechanism 8 includes an upper flow guiding mechanism comprising an upper cutting flow guiding unit 6 and an upper first adsorption unit 7 arranged opposite to each other; a lower cutting belt assembly comprising a lower cutting first roller passing mechanism 9, a lower flow guiding mechanism, and a lower cutting second roller passing mechanism 12 arranged sequentially from top to bottom; the lower flow guiding mechanism comprises a lower cutting flow guiding unit 10 and a lower first adsorption unit 11 arranged opposite to each other; a positioning frame 4 is provided with a first X-axis moving assembly and a second X-axis moving assembly arranged sequentially from top to bottom; the upper cutting flow guiding unit 6 is detachably connected to the upper laser cutting mechanism 2 via the first X-axis moving assembly; and the lower cutting flow guiding unit 10 is detachably connected to the lower laser cutting mechanism 3 via the second X-axis moving assembly.

[0040] Preferably, 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; both the first X-axis guide rail 13 and the second X-axis guide rail 15 are mounted on the positioning frame 4; the upper cutting guide unit 6 is connected to the first X-axis slider 14 through the upper connecting part, and the lower cutting guide unit 10 is connected to the second X-axis slider 16 through the lower connecting part; the upper connecting part has a plurality of upper connecting slots connected to the upper laser cutting mechanism 2, and the lower connecting part has a plurality of lower connecting slots connected to the lower laser cutting mechanism 3.

[0041] In this embodiment, the bottom of the upper cutting guide unit 6 is provided with an upper connecting part, and the bottom of the lower cutting guide unit 10 is provided with a lower connecting part. The upper connecting part is connected to the first X-axis slider 14 through a detachable component, which can be a bolt or other detachable structure. Similarly, the lower connecting part is connected to the second X-axis slider 16 through a detachable component, so that the upper cutting guide unit 6 and the upper laser cutting mechanism 2 remain on the same straight line during movement, ensuring processing accuracy. Similarly, the lower cutting guide unit 10 and the lower laser cutting mechanism 3 remain on the same straight line during movement, ensuring processing accuracy. In addition, in this embodiment, the upper connecting part is provided with several upper connecting slots to adjust the stable position between it and 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. The lower connecting part is provided with several lower connecting slots to adjust the stable position between it and the upper laser cutting mechanism 2.

[0042] Preferably, an upper second adsorption unit 17 is also provided above the upper cutting and guiding unit 6; a lower second adsorption unit 18 is also provided above the lower cutting and guiding 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 electrode roll 31 or lower electrode roll 32, adsorb and adhere and guide the upper electrode roll 31 or lower electrode roll 32 for conveying, ensuring the quality of conveying and positioning the upper electrode roll 31 or lower electrode roll 32.

[0043] Preferably, the system further includes a first Y-axis moving assembly and a second Y-axis moving assembly. The first Y-axis moving assembly includes a first Y-axis guide rail 19 and a first Y-axis slider 20 disposed at the top of the cutting bracket 1. The first Y-axis slider 20 is connected to the upper laser cutting mechanism 2 via a first mounting member 23. The second Y-axis moving assembly includes a second Y-axis guide rail 21 and a second Y-axis slider 22 disposed at the bottom of the cutting bracket 1. The second Y-axis slider 22 is connected to the lower laser cutting mechanism 3 via a second mounting member 24. The first Y-axis slider 20 can move along the first Y-axis guide rail 19, which 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, which can cause the lower laser cutting mechanism 3 to move along the Y-axis direction.

[0044] Preferably, it further includes a cutting X-axis moving assembly; the cutting X-axis moving assembly includes a cutting X-axis guide rail 29 and a cutting X-axis slider 30; the cutting X-axis guide rail 29 is located below the cutting bracket 1 and the cutting X-axis slider 30 is connected to the bottom of the cutting bracket 1. The cutting X-axis slider 30 is configured to move along the cutting X-axis guide rail 29, which simultaneously causes the upper laser cutting mechanism 2 and the lower laser cutting mechanism 3 to move along the X-axis direction.

[0045] Preferably, it also includes a collection hopper 26, which is located below the lower cutting belt assembly. The collection hopper 26 is provided to collect the debris produced by the upper laser cutting mechanism 2 and the lower laser cutting mechanism 3.

[0046] Preferably, both the upper cutting guide unit 6 and the lower cutting guide unit 10 are connected to a dust removal unit 25. The dust removal unit 25 can be connected to an external negative pressure device to adsorb dust particles and debris on the upper cutting guide unit 6 and the lower cutting guide unit 10, respectively. The upper cutting guide unit 6 and the lower cutting guide unit 10 are each connected to a negative pressure unit. Both the upper cutting guide unit 6 and the lower cutting guide unit 10 include multiple cylindrical belts and negative pressure units. The negative pressure units adsorb the upper electrode roll 31 or the lower electrode roll 32 on the cylindrical belts to promote the flattening and conveying of the upper electrode roll 31 or the lower electrode roll 32 and avoid wrinkles.

[0047] Preferably, both the outer wall of the upper cutting guide unit 6 and the outer wall of the lower cutting guide unit 10 are provided with laser protective plates 27;

[0048] Laser baffles 28 are provided on the side of the upper first adsorption unit 7 away from the upper laser cutting mechanism 2 and on the side of the lower first adsorption unit 11 away from the lower laser cutting mechanism 3. A laser protective plate 27 can be provided to fit against the upper surface of the upper cutting guide unit 6 and the upper surface of the lower cutting guide unit 10. In this embodiment, the upper surfaces of the upper cutting guide unit 6 and the lower cutting guide unit 10 are inclined to prevent laser cutting of the cylindrical belts inside the upper and lower cutting guide units 6 and 10, and to avoid affecting the side of the upper cutting guide unit 6 (i.e., the end face near the upper electrode roll 31) and the side of the lower cutting guide unit 10 (i.e., the end face near the lower electrode roll 32). The laser baffles 28 are provided to protect other equipment from damage after laser cutting.

[0049] Preferably, the laser protective plate 27 is inclined to fit against the top outer wall of the upper cutting guide unit 6 and the top outer wall of the lower cutting guide unit 10.

[0050] The working principle of this utility model:

[0051] This utility model has an upper laser cutting assembly and a lower laser cutting assembly arranged sequentially, which can perform secondary cutting on the electrode roll material. 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. This allows the upper cutting guide unit 6 and the upper laser cutting mechanism 2 to move synchronously, and the lower cutting guide unit 10 and the lower laser cutting mechanism 3 to move synchronously. This eliminates the need for secondary reinstallation and positioning, maintains cutting accuracy, facilitates adjustment, reduces processes, increases work efficiency, and reduces investment costs.

[0052] In this embodiment, the electrode roll passes from top to bottom sequentially 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. The upper laser cutting mechanism 2 first cuts the electrode roll located between the upper second adsorption unit and the upper first adsorption unit 7 in half, that is, performs the first segment cut. The cut electrode roll is divided into upper electrode roll 31 and lower electrode roll 32. The upper electrode roll 31 passes through the upper cutting guide unit 6 and the upper cutting second roller mechanism 8 and then... Figure 3 As shown in the right output, the lower electrode roll 32 is conveyed to the area between the upper cutting guide unit 6 and the upper cutting second roller mechanism 8 after passing through the area between the lower adsorption second unit and the lower first adsorption unit 11. The lower laser cutting mechanism 3 performs a second laser cut on the lower electrode roll 32 in the area between the lower adsorption second unit and the lower first adsorption unit 11.

[0053] The technical means disclosed in this utility model 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 principle of this utility model, and these improvements and modifications are also considered within the scope of protection of this utility model.

Claims

1. A cutting mechanism for electrode splitting, characterized in that, include: A cutting support, wherein the cutting support is provided with an upper laser cutting component and a lower laser cutting component; 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 cut on the electrode roll, and the lower laser cutting assembly includes a lower laser cutting mechanism for performing a second-stage cut on the electrode roll remaining after the first-stage cut. A positioning frame is provided with an upper cutting belt assembly and a lower cutting belt assembly. The upper cutting belt assembly includes, from top to bottom, an upper cutting first roller mechanism, an upper guiding mechanism, and an upper cutting second roller mechanism. The upper guiding mechanism includes an upper cutting guiding unit and an upper first adsorption unit arranged opposite to each other. The lower cutting belt assembly includes, from top to bottom, a lower cutting first roller mechanism, a lower guiding mechanism, and a lower cutting second roller mechanism. The lower guiding mechanism includes a lower cutting guiding unit and a lower first adsorption unit arranged opposite to each other. The positioning frame is provided with a first X-axis moving component and a second X-axis moving component arranged vertically. The upper cutting guide unit is detachably connected to the upper laser cutting mechanism through the first X-axis moving component, and the lower cutting guide unit is detachably connected to the lower laser cutting mechanism through the second X-axis moving component.

2. The cutting mechanism for electrode sheet processing according to claim 1, characterized in that, The first X-axis moving component includes a first X-axis guide rail and a first X-axis slider; The second X-axis moving component includes a second X-axis guide rail and a second X-axis slider; Both the first X-axis guide rail and the second X-axis guide rail are mounted on the positioning frame; The upper cutting guide unit is connected to the first X-axis slider via an upper connecting part, and the lower cutting guide unit is connected to the second X-axis slider via a lower connecting part. The upper connecting part has a plurality of upper connecting slots connected to the upper laser cutting mechanism, and the lower connecting part has a plurality of lower connecting slots connected to the lower laser cutting mechanism.

3. The cutting mechanism for electrode sheet processing according to claim 1, characterized in that, Above the upper cutting and guiding unit, there is also an upper second adsorption unit; A second adsorption unit is also provided above the lower cutting and guiding unit.

4. The cutting mechanism for electrode sheet processing according to claim 1, characterized in that, It 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. The first Y-axis slider is connected to the upper laser cutting mechanism through a first mounting component. 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. The second Y-axis slider is connected to the lower laser cutting mechanism via a second mounting component.

5. The cutting mechanism for electrode sheet processing according to claim 4, characterized in that, It also includes a cutting X-axis movement 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 slider is connected to the bottom of the cutting bracket.

6. The cutting mechanism for electrode sheet processing according to claim 1, characterized in that, It also includes a collection hopper, which is located below the lower cutting belt assembly.

7. The cutting mechanism for electrode sheet processing according to claim 1, characterized in that, Both the upper cutting and guiding unit and the lower cutting and guiding unit are connected to a dust removal unit.

8. The cutting mechanism for electrode sheet processing according to claim 1, characterized in that, Both the outer walls of the upper cutting guide unit and the outer walls of the lower cutting guide unit are equipped with laser protective plates. A laser baffle is provided on the side of the upper first adsorption unit away from the upper laser cutting mechanism and on the side of the lower first adsorption unit away from the lower laser cutting mechanism.

9. The cutting mechanism for electrode sheet processing according to claim 8, characterized in that, The laser protective plate is inclined and attached to the top outer wall of the upper cutting guide unit and the top outer wall of the lower cutting guide unit.

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