CN210307993U - Secondary lithium ion battery pole piece slitting device - Google Patents

Secondary lithium ion battery pole piece slitting device Download PDF

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Publication number
CN210307993U
CN210307993U CN201920887066.5U CN201920887066U CN210307993U CN 210307993 U CN210307993 U CN 210307993U CN 201920887066 U CN201920887066 U CN 201920887066U CN 210307993 U CN210307993 U CN 210307993U
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China
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pole piece
cutting
lithium ion
ion battery
flitch
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CN201920887066.5U
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Chinese (zh)
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黄忠海
秦会彬
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Hefei Zhonghe Power New Energy Technology Co ltd
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Hefei Zhonghe Power New Energy Technology Co ltd
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Abstract

The utility model discloses a secondary lithium ion battery pole piece cutting device, which comprises a shell, wherein fixed bases are fixedly arranged at the bottoms of two symmetrical sides of the shell, a movable base is fixedly arranged above the fixed bases, supporting plates are fixedly arranged on the upper surface of the movable base, a cutting rotating shaft is transversely arranged between the two supporting plates, and a plurality of cutting blades for cutting pole piece flitches are fixedly arranged on the cutting rotating shaft; the utility model can cut the pole piece flitch on the upper and lower sides simultaneously, thereby increasing the cutting quantity of single pole piece flitch and improving the production efficiency; the driving cylinders on the two sides contract to drive the pressing rollers to press the pole piece plates, so that the contact and non-contact of the pole piece plates and the slitting blades are controlled, and the slitting device is convenient to control and operate; through pressing of the pressing roller, the pole piece flitch is in a tightening state, so that the cutting effect is ensured, and the burr rate of the pole piece is reduced.

Description

Secondary lithium ion battery pole piece slitting device
Technical Field
The utility model relates to a lithium ion battery processing equipment technical field especially relates to a device is cut to secondary lithium ion battery pole piece.
Background
The lithium ion battery has the advantages of high working voltage, high specific energy, large energy density, high output power, long cycle life, no environmental pollution and the like, is widely applied to mobile communication equipment, and is also widely applied to the fields of electric automobiles, electric tools and the like, so that the performance requirement on the lithium battery is higher and higher, and the lithium ion battery is the main direction for the development of various large battery manufacturers at present, and a lithium ion battery pole piece slitting device is required to slit in the production process of the lithium ion battery;
patent document (CN201889811U) discloses a lithium ion battery's negative pole piece cutting machine, only installs a blade on the cutter fixed plate in this cutting machine, and in the actual production process, the fashioned pole piece number of single cutting is few, leads to work efficiency to hang down, and this cutting machine can not reduce the pole piece deckle edge rate after the cutting moreover to hardly guarantee the quality of product.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a secondary lithium ion battery pole piece slitting device, in the utility model, pole piece flitches are respectively arranged at the upper side and the lower side of a slitting blade, so that the pole piece flitches at the upper side and the lower side can be simultaneously cut, and the technical problems of small number of pole pieces and low working efficiency in single cutting molding of the existing slitting machine are solved;
in the cutting process of the pole piece slitting device, the pole piece flitch is in a tensioned state by pressing the pole piece flitch by the pressing roller, so that the generation of trimming burrs is reduced, and the technical problem of high pole piece burr rate after the cutting of the existing slitting machine is solved;
through setting up first baffle and second baffle to cutting clastic collection, solved the cutting machine during operation piece and be not convenient for collect, cause the technical problem who pollutes to cutting machine inside easily.
The purpose of the utility model can be realized by the following technical scheme:
a secondary lithium ion battery pole piece slitting device comprises a shell, wherein fixed bases are fixedly mounted at the bottoms of two symmetrical side surfaces of the shell, a moving base is fixedly mounted above the fixed bases, supporting plates are fixedly mounted on the upper surface of the moving base, a cutting rotating shaft is transversely arranged between the two supporting plates, a plurality of slitting blades for cutting a pole piece material plate are fixedly mounted on the cutting rotating shaft and are uniformly distributed at equal intervals, a driving motor is fixedly mounted on the outer side surface of one of the supporting plates, and an output shaft of the driving motor is fixedly connected with one end of the cutting rotating shaft;
two first mounting arms and two second mounting arms are transversely fixed on the front side wall and the rear side wall of the shell, a first guide roller is rotatably connected between the two corresponding first mounting arms on the two sides of the shell, and a second guide roller is rotatably connected between the two corresponding second mounting arms on the two sides of the shell;
two arc walls have all been seted up to preceding, the back lateral wall of casing, the inboard of casing transversely is provided with two press rolls, the both ends of press roll run through corresponding arc wall respectively and extend to the outside of casing, swing joint has the lantern ring of two symmetric distributions on the press roll, the lantern ring sets up in the arc wall.
Further, preceding, the back lateral wall of casing all articulates there are two and drive actuating cylinder, the one end that drives actuating cylinder articulates there is the linking arm of L shape, the middle part of linking arm is articulated with the casing through the round pin axle, the one end of linking arm is connected with the tip rotation of cutting pivot.
Furthermore, two first installation arms, two second installation arms, two arc-shaped grooves, two driving cylinders and two connecting arms on the same side of the shell are distributed in an equidistant circumferential array around the axis of the cutting rotating shaft.
Furthermore, the number of the pole piece flitches is two, the two pole piece flitches are distributed up and down, the upper surface of the pole piece flitch on the upper side is in close contact with one of the pressing rollers, and the bottom surface of the pole piece flitch on the lower side is in close contact with the other pressing roller.
Further, logical groove has all been seted up to the left and right lateral wall of casing, the pole piece flitch runs through the casing through leading to the groove, and the right side lead to groove notch department and transversely be fixed with the mounting panel, the inboard fixed mounting of mounting panel has first baffle, first baffle is located the top of downside pole piece flitch, and is left lead to the fixed mounting of inslot wall department of groove below has the second baffle.
The utility model has the advantages that:
in the utility model, the pole piece flitches are respectively arranged at the upper side and the lower side of the slitting blade, so that the pole piece flitches at the upper side and the lower side can be cut simultaneously, the cutting quantity of a single pole piece flitch is increased, and the production efficiency is improved;
the driving cylinders on the two sides contract to drive the connecting arm to rotate, so that the connecting arm drives the pressing roller to move downwards along the arc-shaped groove to press the pole piece material plate, and the contact and non-contact of the pole piece material plate and the slitting blade are controlled, and the slitting device is convenient to control and operate;
the pole piece flitch is pressed by the pressing roller, so that the pole piece flitch is in a tightening state during cutting, thereby ensuring the cutting effect and reducing the burr rate of the pole piece.
Through setting up first baffle and second baffle to cutting clastic collection, can avoid cutting clastic pollution downside's pole piece flitch, also guaranteed this device of cutting inside cleanness simultaneously.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a secondary lithium ion battery pole piece slitting device of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a partial structure diagram of the secondary lithium ion battery pole piece slitting device of the present invention;
fig. 4 is a front sectional view of the secondary lithium ion battery pole piece slitting device of the present invention.
In the figure: 1. a housing; 2. a fixed base; 3. a movable seat; 4. a support plate; 5. a drive motor; 6. cutting the rotating shaft; 7. a slitting blade; 8. a pole piece plate; 9. a first guide roller; 10. a second guide roller; 11. pressing the roller; 12. a through groove; 13. mounting a plate; 14. a first baffle plate; 15. a second baffle; 16. a first mounting arm; 17. a second mounting arm; 18. a driving cylinder; 19. a connecting arm; 20. a collar; 21. an arc-shaped groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-4, a secondary lithium ion battery pole piece slitting device comprises a casing 1, wherein fixed bases 2 are fixedly mounted at the bottoms of two symmetrical side surfaces of the casing 1, a moving base 3 is fixedly mounted above the fixed bases 2, supporting plates 4 are fixedly mounted on the upper surface of the moving base 3, a cutting rotating shaft 6 is transversely arranged between the two supporting plates 4, a plurality of slitting blades 7 for cutting a pole piece flitch 8 are fixedly mounted on the cutting rotating shaft 6, the slitting blades 7 are uniformly distributed at equal intervals, a driving motor 5 is fixedly mounted at the outer side surface of one of the supporting plates 4, and an output shaft of the driving motor 5 is fixedly connected with one end of the cutting rotating shaft 6;
two first mounting arms 16 and two second mounting arms 17 are transversely fixed on the front side wall and the rear side wall of the shell 1, a first guide roller 9 is rotatably connected between the two corresponding first mounting arms 16 on the two sides of the shell 1, and a second guide roller 10 is rotatably connected between the two corresponding second mounting arms 17 on the two sides of the shell 1;
two arc walls 21 have all been seted up to preceding, the back lateral wall of casing 1, the inboard of casing 1 transversely is provided with two and presses compression roller 11, press compression roller 11's both ends to run through corresponding arc wall 21 respectively and extend to the outside of casing 1, swing joint has the lantern ring 20 of two symmetric distributions on pressing compression roller 11, lantern ring 20 sets up in arc wall 21.
The preceding, the back lateral wall of casing 1 all articulate there is two to drive actuating cylinder 18, the one end that drives actuating cylinder 18 articulates there is the linking arm 19 of L shape, the middle part of linking arm 19 through the round pin axle with articulated with casing 1, the one end of linking arm 19 is connected with the tip rotation of cutting pivot 6.
Two first installation arms 16, two second installation arms 17, two arc-shaped grooves 21, two driving cylinders 18 and two connecting arms 19 on the same side of the shell 1 are distributed in an equidistant circumferential array around the axial lead of the cutting rotating shaft 6.
The number of the pole piece flitches 8 is two, the two pole piece flitches 8 are distributed up and down, the upper surface of the pole piece flitch 8 at the upper side is in close contact with one of the pressing rollers 11, and the bottom surface of the pole piece flitch 8 at the lower side is in close contact with the other pressing roller 11.
Logical groove 12 has all been seted up to the left and right lateral wall of casing 1, pole piece flitch 8 runs through casing 1 through leading to groove 12, the right side lead to groove 12 notch department transversely to be fixed with mounting panel 13, the inboard fixed mounting of mounting panel 13 has first baffle 14, first baffle 14 is located the top of downside pole piece flitch 8, and is left lead to 1 inner wall department fixed mounting of casing of groove 12 below to have second baffle 15.
The utility model discloses a theory of operation does:
in the utility model, the pole piece flitch 8 at the upper side enters from the upper part of the right through groove 12 and penetrates out from the upper part of the left through groove 12, the pole piece flitch 8 at the lower side enters from the bottom of the left through groove 12 and penetrates out from the bottom of the right through groove 12, when cutting, two driving cylinders 18 are started simultaneously, an output rod of each driving cylinder 18 contracts and drives one end of a connecting arm 19 to move, the connecting arm 19 rotates around the position where the connecting arm is hinged with the shell 1, the other end of the connecting arm 19 drives a pressing roller 11 to extrude the corresponding pole piece flitch 8, the pole piece flitch 8 is close to a slitting blade 7, the slitting blade 7 is used for slitting the pole piece flitch 8, chips generated by cutting of the pole piece flitch 8 on the upper side fall into a first baffle 14, chips generated by cutting of the pole piece flitch 8 on the lower side fall into a second baffle 15, and accumulated chips of the first baffle 14 and the second baffle 15 are cleaned through grooves 12 on two sides after cutting is completed.
In the utility model, the pole piece flitches 8 are respectively arranged at the upper side and the lower side of the slitting blade 7, so that the pole piece flitches 8 at the upper side and the lower side can be cut simultaneously, the cutting quantity of the single pole piece flitch 8 is increased, and the production efficiency is improved;
the driving cylinders 18 on the two sides contract to drive the connecting arm 19 to rotate, so that the connecting arm 19 drives the pressing roller 11 to move downwards along the arc-shaped groove 21 to press the pole piece plate 8, and the contact and non-contact of the pole piece plate 8 and the slitting blade 7 are controlled, and the slitting device is convenient to control and operate;
through pressing of the pressing roller 11, the pole piece flitch 8 is in a tightening state, so that the cutting effect is ensured, and the burr rate of the pole piece is reduced.
Through setting up first baffle 14 and second baffle 15 to the collection of cutting piece, can avoid cutting piece pollution downside pole piece flitch 8, also guaranteed this inside cleanness of cutting device simultaneously.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description in any form, and although the present invention has been disclosed with reference to the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment of the above embodiments without departing from the scope of the present invention.

Claims (5)

1. The secondary lithium ion battery pole piece slitting device is characterized by comprising a shell (1), wherein fixed bases (2) are fixedly mounted at the bottoms of two symmetrical side surfaces of the shell (1), a moving base (3) is fixedly mounted above the fixed bases (2), supporting plates (4) are fixedly mounted on the upper surface of the moving base (3), a cutting rotating shaft (6) is transversely arranged between the two supporting plates (4), a plurality of slitting blades (7) used for cutting pole piece plates (8) are fixedly mounted on the cutting rotating shaft (6), the slitting blades (7) are uniformly distributed in equal intervals, a driving motor (5) is fixedly mounted at the outer side surface of one supporting plate (4), and an output shaft of the driving motor (5) is fixedly connected with one end of the cutting rotating shaft (6);
two first mounting arms (16) and two second mounting arms (17) are transversely fixed on the front side wall and the rear side wall of the shell (1), a first guide roller (9) is rotatably connected between the two corresponding first mounting arms (16) on the two sides of the shell (1), and a second guide roller (10) is rotatably connected between the two corresponding second mounting arms (17) on the two sides of the shell (1);
two arc wall (21) have all been seted up to preceding, the back lateral wall of casing (1), the inboard of casing (1) transversely is provided with two and presses compression roller (11), the both ends that press compression roller (11) run through corresponding arc wall (21) respectively and extend to the outside of casing (1), swing joint has two symmetric distribution's the lantern ring (20) on pressing compression roller (11), the lantern ring (20) sets up in arc wall (21).
2. The secondary lithium ion battery pole piece slitting device according to claim 1, characterized in that both the front and rear side walls of the housing (1) are hinged with two driving cylinders (18), one end of each driving cylinder (18) is hinged with an L-shaped connecting arm (19), the middle of each connecting arm (19) is hinged with the housing (1) through a pin shaft, and one end of each connecting arm (19) is rotatably connected with the end of the cutting rotating shaft (6).
3. The secondary lithium ion battery pole piece slitting device according to claim 1, characterized in that the two first mounting arms (16), the two second mounting arms (17), the two arc-shaped grooves (21), the two driving cylinders (18), and the two connecting arms (19) on the same side of the housing (1) are distributed in an equidistant circumferential array about the axis of the cutting rotating shaft (6).
4. The secondary lithium ion battery pole piece slitting device according to claim 1, characterized in that the number of the pole piece flitches (8) is two, and the two pole piece flitches (8) are distributed up and down, the upper surface of the pole piece flitch (8) on the upper side is in close contact with one of the pressing rollers (11), and the bottom surface of the pole piece flitch (8) on the lower side is in close contact with the other pressing roller (11).
5. The secondary lithium ion battery pole piece slitting device according to claim 1, characterized in that through grooves (12) are formed in the left and right side walls of the casing (1), the pole piece flitch (8) penetrates through the casing (1) through the through grooves (12), a mounting plate (13) is transversely fixed at the notch of the through groove (12) on the right side, a first baffle (14) is fixedly mounted on the inner side of the mounting plate (13), the first baffle (14) is located above the lower pole piece flitch (8), and a second baffle (15) is fixedly mounted at the inner wall of the casing (1) below the through groove (12) on the left side.
CN201920887066.5U 2019-06-13 2019-06-13 Secondary lithium ion battery pole piece slitting device Active CN210307993U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920887066.5U CN210307993U (en) 2019-06-13 2019-06-13 Secondary lithium ion battery pole piece slitting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920887066.5U CN210307993U (en) 2019-06-13 2019-06-13 Secondary lithium ion battery pole piece slitting device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112234159A (en) * 2020-10-14 2021-01-15 屈向阳 Die cutting device for processing lithium battery pole piece
CN115911279A (en) * 2023-02-23 2023-04-04 广州市易鸿智能装备有限公司 All-in-one thickness correcting device is cut in roll-in

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112234159A (en) * 2020-10-14 2021-01-15 屈向阳 Die cutting device for processing lithium battery pole piece
CN112234159B (en) * 2020-10-14 2021-09-24 昆山得士成自动化设备有限公司 Die cutting device for processing lithium battery pole piece
CN115911279A (en) * 2023-02-23 2023-04-04 广州市易鸿智能装备有限公司 All-in-one thickness correcting device is cut in roll-in
CN115911279B (en) * 2023-02-23 2023-05-16 广州市易鸿智能装备有限公司 Thickness correcting device of rolling and slitting integrated machine

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