CN218745171U

CN218745171U - Electrode plate slitting equipment for lithium battery processing

Info

Publication number: CN218745171U
Application number: CN202223164602.XU
Authority: CN
Inventors: 段家喜
Original assignee: Shenzhen China Battery Energy Technology Co ltd
Current assignee: Shenzhen China Battery Energy Technology Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-03-28
Anticipated expiration: 2032-11-28

Abstract

The utility model provides an electrode piece divides strip equipment for lithium cell processing relates to lithium cell electrode slice processing technology field, the power distribution box comprises a box body, box one end is rotated and is provided with the material roller, material roller one end fixed mounting has first motor, first motor is located the box outside, the material roller is located inside the box, material roller one side is rotated and is provided with two compressing rolls, two the compressing roll is the height setting, the compressing roll is kept away from material roller one side and is provided with cutting assembly, cutting assembly one side is provided with the receipts material roller that is used for collecting the strip electrode slice, through the setting of two compressing rolls for compressing roll compresses tightly the electrode slice, thereby has improved the compaction density of electrode slice surface coating material, and then has improved the electrochemical properties of lithium cell, through the setting of limiting plate, prevents that the electrode slice from when material roller and compressing roll rotate, drives the skew of electrode slice, thereby has improved the notched roughness of electrode slice.

Description

Electrode plate slitting equipment for lithium battery processing

Technical Field

The utility model relates to a lithium cell electrode slice processing technology field particularly, relates to a lithium cell processing is with electrode slice slitting equipment.

Background

The lithium battery is a battery which uses non-aqueous electrolyte solution and takes lithium metal or lithium alloy as a positive electrode material and a negative electrode material, when a pole piece of the lithium battery is processed, the whole pole piece needs to be divided into strips, and a traditional pole piece dividing machine is not provided with a dust suction device, so that scraps generated when the strip dividing machine cuts the pole piece fall into the surface of the pole piece, the disqualification of the pole piece is caused, and the performance of the lithium battery is further influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a lithium cell processing is with electrode piece divides strip equipment can effectively solve traditional pole piece and divide strip machine owing to not set up dust extraction for the sweeps that produces when dividing strip machine cutting pole piece falls into the pole piece surface, causes the nonconformity of pole piece, and then influences the problem of the performance of lithium cell.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

the utility model provides an electrode piece divides strip equipment for lithium cell processing, includes the box, box one end is rotated and is provided with the material roller, material roller one end fixed mounting has first motor, first motor is located the box outside, the material roller is located inside the box, material roller one side is rotated and is provided with two pinch rolls, two the pinch roll is the height setting, the pinch roll is kept away from material roller one side and is provided with cutting assembly, cutting assembly one side is provided with the receipts material roller that is used for collecting strip electrode piece.

Preferably, a second motor is fixedly mounted at one end of the material receiving roller and is positioned outside the box body.

Preferably, the material roller and one of the pressing rollers are connected through a first belt, the first belt is located on the inner side of a first motor, gears are fixedly mounted at the end portions of the two pressing rollers, and the gears are located on the outer side of the first belt.

Preferably, the cutting assembly comprises an upper cutter and a lower cutter, the end parts of the upper cutter and the lower cutter are connected through a second belt, and a third motor is fixedly mounted at one end of the lower cutter, which is positioned outside the second belt.

Preferably, the rotating shafts of the upper cutter and the lower cutter are respectively and fixedly provided with a plurality of cutters and a plurality of cutter seats, and the cutters and the cutter seats are arranged in a staggered manner.

Preferably, a dust collecting device is arranged above the box body and comprises a dust cover, a dust collecting motor is fixedly mounted on the upper surface of the dust cover, a dust collecting box is fixedly connected to the output end of the dust collecting motor, and a dust collecting pipe is fixedly mounted on the dust collecting box.

Preferably, the dust cover is fixedly connected with the upper surface of the box body, the dust box is fixedly arranged on the dust cover, and the dust collecting pipe is positioned in the dust cover.

Preferably, the material roller and the pressing roller are fixedly provided with limiting plates for limiting the electrode plates at two ends, and each limiting plate is positioned on the inner side of the box body.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) The dust collecting motor is started, the scraps generated by the electrode plates are sucked into the dust collecting box through the dust collecting pipe, and the generation of the scraps on the surfaces of the electrode plates is avoided by arranging the dust collecting device, so that the rejection rate of the electrode plates after cutting is reduced.

(2) Through the setting of two pinch rolls for the pinch roll compresses tightly the electrode slice, thereby has improved the compaction density of electrode slice surface coating material, and then has improved the electrochemistry performance of lithium cell, through the setting of limiting plate, prevents that the electrode slice from driving the electrode slice skew when material roller and pinch roll rotate, thereby has improved the notched roughness of electrode slice.

Drawings

FIG. 1 is a perspective view of the whole structure of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 isbase:Sub>A schematic perspective view of the cross-sectional structurebase:Sub>A-base:Sub>A in fig. 2 according to the present invention;

fig. 4 is a schematic perspective view of the cross-sectional structure B-B in fig. 2 according to the present invention.

In the figure: 1. a box body; 2. a first motor; 3. a material roller; 4. a pressure roller; 5. a first belt; 6. a gear; 7. a limiting plate; 8. a cutting assembly; 801. third step a motor; 802. a lower cutter; 8021. a tool apron; 803. a second belt; 804. feeding a cutter; 8041. a cutter; 9. a second motor; 10. a material receiving roller; 11. a dust collecting device; 1101. a dust cover; 1102. a dust collecting motor; 1103. a dust collection box; 1104. a dust collecting pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, fig. 2 and fig. 3, the embodiment of the utility model provides a lithium battery processing electrode piece slitting equipment, including box 1, 1 one end of box is rotated and is provided with

material roller

3, and 3 one end fixed mounting of material roller have first motor 2, and first motor 2 is located the box 1 outside, and material roller 3 is located inside box 1, and 3 one side rotations of material roller are provided with two pinch rolls 4, and two pinch rolls 4 are the height setting, and pinch roll 4 keeps away from material roller 3 one side and is provided with cutting assembly 8, and cutting assembly 8 one side is provided with the receipts material roller 10 that is used for collecting strip electrode piece.

In this embodiment, a plurality of circular discs are fixedly mounted on a rotating shaft of the material receiving roller 10, and each circular disc is used for winding the electrode sheet after being stripped, so as to collect the strip-shaped electrode sheet.

As shown in fig. 1 and 3, in another embodiment of the utility model, material receiving roller 10 one end fixed mounting has second motor 9, second motor 9 is located the 1 outside of box, material roller 3 and one of them pinch roller 4 one end are connected through first belt 5, first belt 5 is located 2 inboards of first motor, the equal fixed mounting of two pinch roller 4 tip has gear 6, gear 6 is located the 5 outsides of first belt, the equal fixed mounting in material roller 3 and pinch roller 4 both ends has and is used for being used for the spacing limiting plate 7 of electrode slice, every limiting plate 7 is located 1 inboards of box.

In this embodiment, through setting up first motor 2 and second motor 9, make first motor 2 drive material roller 3 and rotate, it rotates to drive one of them pinch roller 4 in step through first belt 5, through two gear 6 intermeshing, make another pinch roller 4 rotate in step, thereby the transportation to the electrode piece has been realized, the electrode piece passes through cutting assembly 8 and finally under the drive of second motor 9, make receipts material roller 10 collect the motor piece after the cutting, through the setting of two pinch rollers 4, make pinch roller 4 compress tightly the electrode piece, thereby the compaction density of electrode piece surface coating material has been improved, and then the setting that limiting plate 7 was passed through to the electrochemical properties of having improved the lithium cell, prevent that the electrode piece from when material roller 3 and pinch roller 4 rotate, drive the skew of electrode piece, thereby reduce the notched roughness of electrode piece.

As shown in fig. 1 and fig. 3, in another embodiment of the present invention, the cutting assembly 8 includes an upper cutter 804 and a lower cutter 802, the ends of the upper cutter 804 and the lower cutter 802 are connected by a second belt 803, one end of the lower cutter 802 is located outside the second belt 803 and is fixedly mounted with a third motor 801, the rotating shafts of the upper cutter 804 and the lower cutter 802 are respectively and fixedly mounted with a plurality of cutters 8041 and a plurality of cutter holders 8021, and the cutters 8041 and the cutter holders 8021 are arranged in a staggered manner.

In this embodiment, when the electrode slice passes through cutting assembly 8, drive down cutter 802 and rotate through setting up third motor 801, and then drive the rotation of cutter 804 in step through second belt 803, because cutter 8041 and blade holder 8021 crisscross setting, and cutter 8041 and blade holder 8021 are tangent, when cutter 8041 cuts the electrode slice, make the electrode slice incision more level and more smooth to the rejection rate of strip electrode slice after the cutting has been reduced.

As shown in fig. 1 and 3, in another embodiment of the present invention, a dust collecting device 11 is disposed above the box body 1, the dust collecting device 11 includes a dust cover 1101, a dust collecting motor 1102 is fixedly mounted on the upper surface of the dust cover 1101, a dust collecting box 1103 is fixedly connected to an output end of the dust collecting motor 1102, a dust collecting pipe 1104 is fixedly mounted on the dust collecting box 1103, the dust cover 1101 is fixedly connected to the upper surface of the box body 1, the dust collecting box 1103 is fixedly mounted on the dust cover 1101, and the dust collecting pipe 1104 is located inside the dust cover 1101.

In this embodiment, when cutting assembly 8 is to the electrode slice cutting, some sweeps can be produced to the electrode slice, if do not handle the sweeps, will make to fly the shoes and fall into the electrode slice surface to the influence is divided the use of the electrode slice after the strip, starts collection dust motor 1102, inhales dust collection box 1103 through dust collecting pipe 1104 with the sweeps of electrode slice production in, through setting up dust collecting device 11, avoids electrode slice surface sweeps to produce, thereby has reduced the rejection rate of electrode slice after the cutting.

This electrode piece divides strip equipment's for lithium cell processing theory of operation:

when in use, firstly the material roller 3 is placed in the box body 1, then the first motor 2, the second motor 801, the third motor 9 and the dust collecting motor 1102 are simultaneously started, the first motor 2 drives the material roller 3 to rotate, one of the compressing rollers 4 is synchronously driven to rotate through the first belt 5, the other compressing roller 4 is synchronously rotated through mutual meshing of the two gears 6, the cut motor sheets are collected by the material collecting roller 10 under the driving of the second motor 9, thereby realizing the transportation of the electrode sheet, the compressing rollers 4 compress the electrode sheet through the arrangement of the two compressing rollers 4, thereby improving the compaction density of the coating material on the surface of the electrode sheet, further improving the electrochemical performance of the lithium battery through the arrangement of the limiting plate 7, prevent the electrode slice when material roller 3 and pinch roll 4 rotate, drive the electrode slice skew, thereby reduce the notched roughness of electrode slice, this moment, drive down cutter 802 through setting up third motor 801 and rotate, through the rotation of second belt 803 and then synchronous drive upper slitter 804, because cutter 8041 and blade holder 8021 crisscross setting, and cutter 8041 and blade holder 8021 are tangent, when cutter 8041 cutting electrode slice, make the electrode slice notch more level and more smooth, thereby the rejection rate of strip electrode slice after the cutting has been reduced, through starting up collection dirt motor 1102, inhale in the dust collection box 1103 with the sweeps that the electrode slice produced through dust-collecting tube 1104, through setting up dust collecting device 11, avoid electrode slice surface sweeps to produce, thereby the rejection rate of electrode slice after the cutting has been reduced.

Obviously, the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it is obvious for those skilled in the art to make other variations or changes based on the above descriptions, and all embodiments cannot be exhausted here, and all obvious variations or changes introduced by the technical solution of the present invention are still within the protection scope of the present invention.

Claims

1. The utility model provides a lithium cell processing divides strip equipment with electrode piece, includes box (1), its characterized in that: the utility model discloses a material roller, including box (1), material roller (3) one end fixed mounting has first motor (2), first motor (2) are located the box (1) outside, material roller (3) are located box (1) inside, material roller (3) one side is rotated and is provided with two compressing rollers (4), two compressing rollers (4) are the height setting, compressing rollers (4) are kept away from material roller (3) one side and are provided with cutting assembly (8), cutting assembly (8) one side is provided with receipts material roller (10) that are used for collecting strip electrode slice.

2. The electrode plate slitting device for lithium battery processing as claimed in claim 1, wherein: receive material roller (10) one end fixed mounting have second motor (9), second motor (9) are located the box (1) outside.

3. The electrode plate slitting device for lithium battery processing as claimed in claim 2, wherein: material roller (3) and one of them pinch roller (4) one end are connected through first belt (5), first belt (5) are located first motor (2) inboard, two the equal fixed mounting of pinch roller (4) tip has gear (6), gear (6) are located first belt (5) outside.

4. The electrode plate slitting device for lithium battery processing as claimed in claim 3, wherein: the cutting assembly (8) comprises an upper cutter (804) and a lower cutter (802), the end parts of the upper cutter (804) and the lower cutter (802) are connected through a second belt (803), and one end of the lower cutter (802) is located on the outer side of the second belt (803) and is fixedly provided with a third motor (801).

5. The electrode plate slitting device for lithium battery processing as claimed in claim 4, wherein: the rotating shafts of the upper cutter (804) and the lower cutter (802) are respectively and fixedly provided with a plurality of cutters (8041) and a plurality of cutter holders (8021), and the cutters (8041) and the cutter holders (8021) are arranged in a staggered manner.

6. The electrode plate slitting device for lithium battery processing as claimed in claim 5, wherein: the dust collecting device is characterized in that a dust collecting device (11) is arranged above the box body (1), the dust collecting device (11) comprises a dust cover (1101), a dust collecting motor (1102) is fixedly mounted on the upper surface of the dust cover (1101), a dust collecting box (1103) is fixedly connected with the output end of the dust collecting motor (1102), and a dust collecting pipe (1104) is fixedly mounted on the dust collecting box (1103).

7. The electrode plate slitting device for lithium battery processing as claimed in claim 6, wherein: the dustproof cover (1101) is fixedly connected with the upper surface of the box body (1), the dust collection box (1103) is fixedly installed on the dustproof cover (1101), and the dust collection pipe (1104) is located inside the dustproof cover (1101).

8. The electrode plate slitting device for lithium battery processing as claimed in claim 7, wherein: the material roller (3) and the pressing roller (4) are fixedly provided with limiting plates (7) used for limiting electrode plates at two ends, and each limiting plate (7) is located on the inner side of the box body (1).