Cutting device for composite current collector

By designing a cutting device with a pressing and winding mechanism, the problem of uneven cut edges during composite current collector cutting was solved, thus improving the flatness of the cutting area and the production quality.

CN223589488UActive Publication Date: 2025-11-25SUZHOU PEIWA ENERGY TECH CO LTD
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Patent Information

Application Number
CN202423230306.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-11-25
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

Existing composite current collector cutting devices cannot effectively flatten the cutting area during cutting, resulting in uneven cuts and affecting production quality.

Method used

A cutting device including a pressing and cutting mechanism and a winding mechanism was designed. The cutting part is flattened by using a pressing roller, a support spring and a limit spring. The cutting position is adjusted by a translation motor and a lifting motor, and the cutting is carried out in conjunction with the cutting blade to ensure the flatness of the cut.

Benefits of technology

By flattening the cutting area, the flatness of the cutting area is improved, ensuring the smoothness of the cut and the quality of production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cutting device for composite current collector, including pressing and cutting mechanism and install the compression roller on the inside one side of pressing and cutting mechanism, the one side of pressing and cutting mechanism is provided with rolling mechanism, and the outer side of rolling mechanism is provided with composite copper foil, pressing and cutting mechanism includes the cutting base, the cutting base is provided with the rolling mechanism, the rolling mechanism is provided with the composite copper foil, and the cutting base is provided with the composite copper foil. A first supporting leg is fixedly mounted at the top of the cutting base, a cutting support is fixedly connected to the top of the first supporting leg, a first motor cover is fixedly mounted on one side of the cutting support, a translation motor is fixedly mounted on one side of the interior of the first motor cover, and a first chain wheel transmission assembly is fixedly connected to the output end of the translation motor. Translation threaded rods are symmetrically connected to one side of the first chain wheel transmission assembly, composite copper foil can be preliminarily pressed through a pressing roller, meanwhile, a pressing sliding block can move relatively through a supporting spring and a limiting spring, and before a cutting knife is used for cutting, the cut part can be flattened.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cutting equipment technical field, concretely is a kind of cutting device for composite current collector. BACKGROUND

[0002] Current collector, as its name implies, refers to the structure or part that collects current, mainly refers to metal foil, such as copper foil, aluminum foil or metal layer and polymer-based film composite to form a composite current collector on lithium ion battery, and the composite current collector is wound for processing using a cutting device.

[0003] Publication No. CN218595663U discloses an automatic cutting and winding device for composite current collector, which adopts mutual cooperation between the absorption cover and the negative pressure pipe. The negative pressure pipe generates negative pressure at the cover opening of the absorption cover, which can absorb the slag attached to the two side surfaces of the composite current collector. This effectively solves the problem of slag adhesion on the composite current collector, and the mutual extrusion between layers during winding of the composite current collector can cause indentation on the surface of the composite current collector, affecting the production quality of the composite current collector. The filter cloth bag can collect the debris, making the production site clean and convenient for regular cleaning. However, the patent still has the following problems in actual use:

[0004] The automatic cutting and winding device for composite current collector adopts mutual cooperation between the absorption cover and the negative pressure pipe. The negative pressure pipe generates negative pressure at the cover opening of the absorption cover, which can absorb the slag attached to the two side surfaces of the composite current collector. However, during cutting, the cut part cannot be flattened, which can cause wrinkles during cutting, affecting the flatness of the cut.

[0005] Therefore, a cutting device for composite current collector is proposed to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a kind of cutting device for composite current collector, to solve the problem that the automatic cutting and winding device for composite current collector disclosed in the above background art adopts mutual cooperation between the absorption cover and the negative pressure pipe. The negative pressure pipe generates negative pressure at the cover opening of the absorption cover, which can absorb the slag attached to the two side surfaces of the composite current collector. However, during cutting, the cut part cannot be flattened, which can cause wrinkles during cutting, affecting the flatness of the cut.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of cutting device for composite current collector, including pressing cutting mechanism, and the pressing roller of pressing cutting mechanism inside one side installation;

[0008] One side of the pressing cutting mechanism is provided with a winding mechanism, and the outer side of the winding mechanism is provided with a composite copper foil.

[0009] Also includes:

[0010] The pressing cutting mechanism comprises a cutting base, a first support leg is fixedly installed on the top of the cutting base, and a cutting support is fixedly connected to the top of the first support leg;

[0011] Wherein, a first motor cover is fixedly installed on one side of the cutting support, and a translation motor is fixedly installed on the inside of the first motor cover;

[0012] Wherein, a first sprocket transmission assembly is fixedly connected to the output end of the translation motor, and a translation threaded rod is symmetrically connected to one side of the first sprocket transmission assembly.

[0013] Preferably, a translation threaded sleeve is threadedly connected to the outside of the translation threaded rod, a translation limiting plate is fixedly installed on the top of the translation threaded sleeve, a lifting support is fixedly installed on the top of one side of the translation limiting plate and the cutting support, and a lifting motor is fixedly installed on the top of one side of the lifting support.

[0014] Preferably, a lifting rotating rod is fixedly connected to the output end of the lifting motor, bevel gear transmission assemblies are symmetrically installed on both ends of the lifting rotating rod, a lifting bidirectional threaded rod is fixedly connected to the bottom of the bevel gear transmission assemblies, lifting threaded sleeves are symmetrically threadedly connected to the outside of the lifting bidirectional threaded rod, and the pressing roller is rotatably connected to the lifting threaded sleeves.

[0015] Preferably, a lifting plate is fixedly installed between one side of the lifting threaded sleeves, support blocks are symmetrically installed on the bottom of the lifting plate, support springs are fixedly installed around the bottom of both the support blocks, a limiting support is fixedly connected to the bottom of the support springs, a limiting sliding rod is fixedly installed in the limiting support, and a cutting knife is fixedly installed at the center position of the bottom of the lifting plate.

[0016] Preferably, a limiting sliding sleeve is slidably connected to the outside of the limiting sliding rod, a limiting spring is fixedly connected to one side of the limiting sliding sleeve, a limiting rotating rod is rotatably connected to the top of the limiting sliding sleeve, the limiting rotating rod is rotatably connected to the support block, and a pressing sliding block is fixedly installed on the bottom of the limiting sliding sleeve.

[0017] The winding mechanism comprises a second support leg, the second support leg is fixedly installed on the top of the cutting base, a clamping support is fixedly installed on the top of the second support leg, a second motor cover is fixedly installed on the front of the clamping support, a clamping motor is fixedly connected to the output end of the second motor cover, and a second sprocket transmission assembly is fixedly installed on one side of the inside of the clamping motor.

[0018] Preferably, one side of the second sprocket transmission assembly is symmetrically connected with clamping bidirectional threaded rods, the outer sides of the two clamping bidirectional threaded rods are symmetrically and threadedly connected with clamping threaded sleeves, the top portions of the two clamping threaded sleeves are fixedly installed with winding plates, the inner sides of the two winding plates are rotatably connected with clamping blocks, the outer side of one winding plate is fixedly installed with a winding motor, the output end of the winding motor is fixedly connected with the clamping block, and the clamping blocks are clamped and connected between the two clamping blocks.

[0019] Compared with the prior art, the cutting device for the composite current collector has the advantages that the preliminary compression of the composite copper foil can be realized by the compression roller, the relative movement of the compression sliding block can be realized by the supporting spring and the limiting spring, the cutting position can be flattened before cutting by the cutting knife, the winding and unwinding of the composite copper foil can be facilitated by starting the winding motor to drive the winding roller to rotate, and the specific contents are as follows.

[0020] 1. The compression and cutting mechanism can drive the first sprocket transmission assembly and the translation threaded rod to rotate by the translation motor, drive the translation threaded sleeve to move by the translation threaded rod, adjust the bottom of the lifting plate and the cutting knife, facilitate the cutting of the composite copper foil at different positions, drive the lifting bidirectional threaded rod to rotate by the bevel gear transmission assembly by starting the lifting motor to drive the lifting rotating rod and the bevel gear transmission assembly to rotate, drive the lifting threaded sleeve to move the compression roller and the lifting plate by the lifting bidirectional threaded rod, realize the preliminary compression of the composite copper foil by the compression roller, realize the relative movement of the compression sliding block by the supporting spring and the limiting spring, flatten the cutting position before cutting by the cutting knife, improve the flatness of the cutting position, and realize the rotation of the compression roller by the driving structure arranged in the compression roller, thereby realizing the conveying of the composite copper foil.

[0021] 2. The winding mechanism can drive the second sprocket transmission assembly and the clamping bidirectional threaded rod to rotate by the clamping motor, drive the clamping threaded sleeve to move the winding plate and the clamping block, thereby facilitating the replacement of the winding roller, and facilitating the winding and unwinding of the composite copper foil by starting the winding motor to drive the winding roller to rotate. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;

[0023] Figure 2 It is a three-dimensional structure schematic view of the compression and cutting mechanism in the utility model;

[0024] Figure 3 It is a three-dimensional structure schematic view of the lifting support in the utility model;

[0025] Figure 4The utility model discloses a three-dimensional structure schematic diagram of the limiting support.

[0026] Figure 5 The utility model discloses a three-dimensional structure schematic diagram of the winding mechanism.

[0027] Figure 6 The utility model discloses a three-dimensional structure schematic diagram of the winding plate.

[0028] In the figure: 1, the pressing cutting mechanism, 101, the cutting base, 102, the first support leg, 103, the cutting support, 104, the first motor cover, 105, the translation motor, 106, the first sprocket transmission assembly, 107, the translation screw rod, 108, the translation screw cover, 109, the translation limit board, 110, the lifting support, 111, the lifting motor, 112, the lifting rotation rod, 113, the bevel gear transmission assembly, 114, the lifting bidirectional screw rod, 115, the lifting screw cover, 116, the pressing roller, 117, the lifting plate, 118, the support block, 119, the support spring, 120, the limiting support, 121, the limiting sliding rod, 122, the limiting sliding cover, 123, the limiting spring, 124, the limiting rotation rod, 125, the pressing sliding block, 126, the cutting knife, 2, the winding mechanism, 201, the second support leg, 202, the clamping support, 203, the second motor cover, 204, the clamping motor, 205, the second sprocket transmission assembly, 206, the clamping bidirectional screw rod, 207, the clamping screw cover, 208, the winding plate, 209, the clamping block, 210, the winding motor, 211, the winding roller, 212, the composite copper foil. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without creative work fall within the protection scope of the utility model.

[0030] Please refer to Figures 1-6The utility model provides technical scheme: a cutting device for composite current collector, including pressure cutting mechanism 1 and the pressure roller 116 of installing to one side inside pressure cutting mechanism 1, one side of pressure cutting mechanism 1 is provided with winding mechanism 2, and the outside of winding mechanism 2 is provided with composite copper foil 212, and pressure cutting mechanism 1 includes cutting base 101, the top fixed mounting of cutting base 101 has first support leg 102, the top fixed connection of first support leg 102 has cutting support 103, wherein, one side fixed mounting of cutting support 103 has first motor cover 104, one side fixed mounting in first motor cover 104 has translation motor 105, wherein, the output of translation motor 105 is fixedly connected with first sprocket drive component 106, one side of first sprocket drive component 106 is connected with translation screw rod 107 symmetrically, the outside screw thread connection of translation screw rod 107 has translation screw sleeve 108, the top fixed mounting of translation screw sleeve 108 has translation limit plate 109, the top one side of translation limit plate 109 and cutting support 103 is all fixedly installed with lifting support 110, the top one side fixed mounting of lifting support 110 has lifting motor 111, the output of lifting motor 111 is fixedly connected with lifting rotary rod 112, the both ends symmetric installation of lifting rotary rod 112 has bevel gear drive component 113, the bottom fixed connection of bevel gear drive component 113 has lifting bidirectional screw rod 114, the outside screw thread connection of lifting bidirectional screw rod 114 has lifting screw sleeve 115 up and down symmetrically, the rotary connection of pressure roller 116 and lifting screw sleeve 115, one side lifting screw sleeve 115 between fixed mounting has lifting plate 117, the bottom symmetric installation of lifting plate 117 has support block 118, the bottom all around of two support blocks 118 is fixedly installed with support spring 119, the bottom fixed connection of support spring 119 has limit support 120, the inside fixed mounting of limit support 120 has limit sliding rod 121, the bottom center position fixed mounting of lifting plate 117 has cutting knife 126, the outside sliding connection of limit sliding rod 121 has limit sliding sleeve 122, the one side fixed connection of limit sliding sleeve 122 has limit spring 123, the top rotary connection of limit sliding sleeve 122 has limit rotary rod 124, limit rotary rod 124 and support block 118 rotary connection, the bottom fixed mounting of limit sliding sleeve 122 has pressure sliding block 125, utilize translation motor 105 to drive first sprocket drive component 106 and translation screw rod 107 rotation, make translation screw sleeve 108 drive translation limit plate 109 and move, can adjust the bottom of lifting plate 117 and cutting knife 126, it is convenient to cut the different position of composite copper foil 212, by starting lifting motor 111 drive lifting rotary rod 112 and bevel gear drive component 113 rotation, make bevel gear drive component 113 drive lifting bidirectional screw rod 114 rotation, make lifting screw sleeve 115 drive pressure roller 116 and lifting plate 117 relative movement, not only can utilize pressure roller 116 to carry out the preliminary pressure of composite copper foil 212,Meanwhile, the supporting spring 119 and the limiting spring 123 are used to relatively move the pressing slide 125, and the cutting part can be flattened before being cut by the cutting knife 126, so that the flatness of the cutting part is improved, the inside of the pressing roller 116 is provided with a driving structure, the rotation of the pressing roller 116 can be realized, and the composite copper foil 212 can be conveyed.

[0031] The winding mechanism 2 comprises a second supporting leg 201 fixedly installed at the top of the cutting base 101, a clamping support 202 fixedly installed at the top of the second supporting leg 201, a second motor cover 203 fixedly installed at the front of the clamping support 202, a clamping motor 204 fixedly connected at the output end of the second motor cover 203, a second chain wheel transmission assembly 205 fixedly installed at one side of the inside of the clamping motor 204, clamping bidirectional threaded rods 206 symmetrically connected at one side of the second chain wheel transmission assembly 205, clamping threaded sleeves 207 symmetrically screw-connected at the outer sides of the two clamping bidirectional threaded rods 206, winding plates 208 fixedly installed at the top of the two clamping threaded sleeves 207, clamping blocks 209 rotationally connected at the inner sides of the two winding plates 208, a winding motor 210 fixedly installed at the outer side of one winding plate 208, the output end of the winding motor 210 fixedly connected with the clamping block 209, a winding roller 211 clampingly connected between the two clamping blocks 209, and a composite copper foil 212 wound at the outer side of the winding roller 211. The clamping motor 204 drives the second chain wheel transmission assembly 205 and the clamping bidirectional threaded rods 206 to rotate, so that the clamping threaded sleeves 207 drive the winding plates 208 and the clamping blocks 209 to relatively move, thereby facilitating the replacement of the winding roller 211. The winding motor 210 is started to drive the winding roller 211 to rotate, thereby facilitating the winding and unwinding of the composite copper foil 212.

[0032] Working principle: before using the cutting device for the composite current collector, the overall situation of the device needs to be checked to determine whether it can work normally, according to Figure 1 - Figure 6As shown, first, the clamping motor 204 drives the second sprocket transmission assembly 205 and the clamping bidirectional threaded rod 206 to rotate, so that the clamping threaded sleeve 207 drives the winding plate 208 and the clamping block 209 to move relatively, thereby facilitating the replacement of the winding roller 211, and the winding motor 210 is started to drive the winding roller 211 to rotate, thereby facilitating the winding and unwinding of the composite copper foil 212, secondly, the translation motor 105 drives the first sprocket transmission assembly 106 and the translation threaded rod 107 to rotate, so that the translation threaded sleeve 108 drives the translation limiting plate 109 to move, thereby adjusting the bottom of the lifting plate 117 and the cutting knife 126, facilitating the cutting of the composite copper foil 212 at different positions, and finally, the lifting motor 111 is started to drive the lifting rotating rod 112 and the bevel gear transmission assembly 113 to rotate, so that the bevel gear transmission assembly 113 drives the lifting bidirectional threaded rod 114 to rotate, so that the lifting threaded sleeve 115 drives the compression roller 116 and the lifting plate 117 to move relatively, not only can the compression roller 116 be used to preliminarily compress the composite copper foil 212, but also the support spring 119 and the limiting spring 123 can make the compression sliding block 125 move relatively, so that the cutting part can be flattened before cutting by the cutting knife 126, thereby improving the flatness of the cutting part, and the inside of the compression roller 116 is provided with a driving structure, which can realize the rotation of the compression roller 116, thereby conveying the composite copper foil 212.

[0033] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A cutting device for composite current collector, comprising a pressing cutting mechanism (1) and a pressing roller (116) mounted on one side inside the pressing cutting mechanism (1); One side of the pressing cutting mechanism (1) is provided with a winding mechanism (2), and the outer side of the winding mechanism (2) is provided with a composite copper foil (212); characterized in that Further comprising: The pressing cutting mechanism (1) comprises a cutting base (101), and a first supporting leg (102) is fixedly installed on the top of the cutting base (101); a cutting support (103) is fixedly connected to the top of the first supporting leg (102); Wherein, a first motor cover (104) is fixedly installed on one side of the cutting support (103), and a translation motor (105) is fixedly installed on one side inside the first motor cover (104); Wherein, the output end of the translation motor (105) is fixedly connected with a first sprocket transmission assembly (106), and the translation sprocket transmission assembly (106) is symmetrically connected with a translation threaded rod (107) on one side.

2. A slitting device for a composite current collector according to claim 1, characterized in that: The outer side of the translation threaded rod (107) is threadedly connected with a translation threaded sleeve (108), the top of the translation threaded sleeve (108) is fixedly installed with a translation limiting plate (109), the top side of the translation limiting plate (109) and the cutting support (103) are both fixedly installed with a lifting support (110), and the top side of the lifting support (110) is fixedly installed with a lifting motor (111).

3. A slitting device for a composite current collector according to claim 2, wherein: The output end of the lifting motor (111) is fixedly connected with a lifting rotating rod (112), both ends of the lifting rotating rod (112) are symmetrically installed with a bevel gear transmission assembly (113), the bottom of the bevel gear transmission assembly (113) is fixedly connected with a lifting bidirectional threaded rod (114), the outer side of the lifting bidirectional threaded rod (114) is symmetrically threadedly connected with a lifting threaded sleeve (115), and the pressing roller (116) is rotatably connected with the lifting threaded sleeve (115).

4. A slitting device for a composite current collector according to claim 3, wherein: A lifting plate (117) is fixedly installed between one side of the lifting threaded sleeve (115), the bottom of the lifting plate (117) is symmetrically installed with a supporting block (118), the bottom of each of the two supporting blocks (118) is fixedly installed with a supporting spring (119), the bottom of the supporting spring (119) is fixedly connected with a limiting support (120), the inside of the limiting support (120) is fixedly installed with a limiting sliding rod (121), and the bottom center position of the lifting plate (117) is fixedly installed with a cutting knife (126).

5. A slitting device for a composite current collector according to claim 4, wherein: The outer side of the limiting sliding rod (121) is slidably connected with a limiting sliding sleeve (122), one side of the limiting sliding sleeve (122) is fixedly connected with a limiting spring (123), the top of the limiting sliding sleeve (122) is rotatably connected with a limiting rotating rod (124), the limiting rotating rod (124) is rotatably connected with the supporting block (118), and the bottom of the limiting sliding sleeve (122) is fixedly installed with a pressing sliding block (125).

6. A slitting device for a composite current collector according to claim 1, wherein: The winding mechanism (2) comprises a second supporting leg (201) fixedly installed on the top of the cutting base (101), the top of the second supporting leg (201) is fixedly installed with a clamping support (202), the front surface of the clamping support (202) is fixedly installed with a second motor cover (203), the output end of the second motor cover (203) is fixedly connected with a clamping motor (204), and the inside of the clamping motor (204) is fixedly installed with a second chain wheel transmission assembly (205).

7. A slitting device for a composite current collector according to claim 6, wherein: The second chain wheel transmission assembly (205) is symmetrically connected with a clamping bidirectional threaded rod (206) on one side, the outer sides of the two clamping bidirectional threaded rods (206) are symmetrically and threadedly connected with clamping threaded sleeves (207), the top of the two clamping threaded sleeves (207) is fixedly installed with winding plates (208), the inner sides of the two winding plates (208) are rotatably connected with clamping blocks (209), the outer side of the winding plate (208) on one side is fixedly installed with a winding motor (210), the output end of the winding motor (210) is fixedly connected with the clamping block (209), the winding rollers (211) are clampingly connected between the two clamping blocks (209), and the composite copper foil (212) is wound on the outer side of the winding roller (211).

Citation Information

Patent Citations

  • Automatic cutting and winding device for composite current collector

    CN218595663U