CN206662534U - Dust removal device of pole piece - Google Patents

Dust removal device of pole piece Download PDF

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Publication number
CN206662534U
CN206662534U CN201720324585.1U CN201720324585U CN206662534U CN 206662534 U CN206662534 U CN 206662534U CN 201720324585 U CN201720324585 U CN 201720324585U CN 206662534 U CN206662534 U CN 206662534U
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CN
China
Prior art keywords
pole piece
casing
dust removal
removal device
laser cutting
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Active
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CN201720324585.1U
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Chinese (zh)
Inventor
李文
杨国荣
刘伟
窦宝兴
许健
李栋良
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Wuxi Autowell Technology Co Ltd
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Wuxi Dimensional Optical Application Co Ltd
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Priority to CN201720324585.1U priority Critical patent/CN206662534U/en
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Abstract

The utility model discloses a kind of dust removal device of pole piece, including laser cutting machine, blower fan and casing, wherein:The casing first side relative with laser cutting machine is provided with first transmittance section relative with laser cutting machine, and casing is provided with dust collecting port, and dust collecting port is connected with blower fan, and blower fan drives dust collecting port to cut laser cutting machine caused by pole piece outside waste material discharge casing;This dust removal device of pole piece has driven air circulation by blower fan first, then waste material caused by laser cutting machine cutting pole piece is driven to dust collecting port by the air of circulation, subsequently waste material has been discharged outside casing by dust collecting port, so as to clean up the waste material in casing, and then ensure that pole piece will not be infected with waste material after laser cutting.

Description

Dust removal device of pole piece
Technical field
A kind of dust removal device of pole piece is the utility model is related to, is related to technical field of lithium battery manufacture equipment, more particularly to pole Piece cutting technique field.
Background technology
In recent years, new energy industry obtained swift and violent development, and the application of lithium battery is also more and more extensive.Lithium battery it is interior Generally all there is lug, the mode for being generally formed by welding extraction of lug or the mode of pole piece cutting obtain in portion's structure , in pole piece is formed using cutting so as to obtain by the way of lug, it is divided into cutting die cutting and laser cutting again.
Laser cutting forms the shape that lug refers to cut out lug in the blank space of pole piece sheet stock using laser head, the work The lug that skill is obtained not only is connected firmly compared with the lug of ultra-sonic welded, and electric conductivity is good, can effectively ensure The performance of battery.
However, waste material can be produced during laser cutting pole piece, if these waste materials are attached to band on pole piece coiled material Enter to process below, or even be involved in inside battery, be just easy to pierce through the diaphragm paper in battery core, cause battery micro-short circuit, Even result in the potential safety hazards such as battery explosion.
Utility model content
In order to solve the problems, such as that the pole piece after cutting is infected with waste material, the technical solution of the utility model provides a kind of pole piece Dust arrester.Technical scheme is as follows:
The utility model provides dust removal device of pole piece during a kind of cutting for pole piece, and dust removal device of pole piece includes laser Cutting machine, blower fan and casing, wherein:
The casing first side relative with laser cutting machine is provided with first transmittance section relative with laser cutting machine, on casing Provided with dust collecting port, dust collecting port is connected with blower fan, and blower fan drives dust collecting port that laser cutting machine is cut into waste material caused by pole piece and discharged Outside casing.
Air circulation is driven by blower fan first, laser cutting machine then is cut into pole piece by the air of circulation produces Waste material drive to dust collecting port, subsequently waste material has been discharged outside casing by dust collecting port, so as to clean up the waste material in casing, is entered And waste material will not be infected with after laser cutting by ensureing pole piece.
Further, the cutting laser beam of laser cutting machine transmitting acts on to be cut in casing through the first transmittance section Pole piece.
Pass through the setting of the first transmittance section so that laser cutting machine outside the enclosure portion also can carry out cutting action to pole piece.
Further, the casing side relative with first side is provided with second transmittance section relative with the first transmittance section.
Further, side relative with first side on casing is second side, first side and second side be to The cambered surface of casing sunken inside, formed with space between first side and second side.
Passing through the design of the cambered surface to casing sunken inside so that wind-force increases in recess because flow increases, so that Obtain the waste material being infected with pole piece to be more easy to depart from, further increase efficiency of dust collection.
Further, first side and second side are symmetrical arranged.
By being symmetrical arranged for first side and second side, it ensure that the ventilation on pole piece both sides is identical, improve suction The stability of dirt.
Further, dust collecting port is located on the 3rd side of casing, the 3rd side be with first side or second side not With side, hollow out setting on casing the 4th side relative with the 3rd side.
Set by the hollow out of the 4th side, passage formed between the 4th side and the dust collecting port of the 3rd side so as to allow, Air between enabling circulates so as to form air-flow.
Further, the distance between central point of first side and second side is less than non-central point in first side The distance between second point of non-central point in first point and second side, first point is relative with second point,
The central point of first transmittance section is less than or equal to first side central point away from the 3rd away from the distance between the 3rd side The distance between side.
It is less than first of non-central point in first side by the distance between central point of first side and second side The set-up mode of the distance between second point of non-central point, discloses a kind of big centre of both ends open and opens on point and second side The small structure of mouth, this space structure can ensure only to form the wind-force of maximum in central spot.
The first transmittance section is arranged between the 3rd side and first side intermediate point simultaneously so that caused by laser cutting machine Waste material is difficult to escape from the first transmittance section under wind-force effect, avoids the laser lens contamination waste material of laser cutting machine.
Further, dust collecting port is located in the predetermined seating side of casing, predetermined seating side be with first side and/or Second side identical side, or, predetermined seating side are the side different from first side or second side.
Further, dust removal device of pole piece also includes at least one set of pole piece clamping device, and pole piece clamping device is configured as Clamp pole piece.
Pass through pole piece clamping device so that the pole piece for being cut place avoids producing shake because of the effect of wind-force, so as to keep away Exempt from laser cutting because position deviation caused by pole piece shake two, further ensure the Stability and veracity of cutting.
Further, casing sets input port and the delivery outlet for providing that pole piece passes through, and pole piece clamping device is two groups, its In:
First group of pole piece clamping device is arranged on outside casing and is located at input port opening position, second group of pole piece clamping device It is arranged on outside casing and at delivery outlet position;
Or
First group of pole piece clamping device is arranged on box house and is located at input port opening position, second group of pole piece clamping device It is arranged on box house and at delivery outlet position.
It should be appreciated that the general description of the above and following detailed description are only exemplary, this can not be limited Utility model.
Brief description of the drawings
Accompanying drawing herein is merged in specification and forms the part of this specification, show meet it is of the present utility model Embodiment, and for explaining principle of the present utility model together with specification.
Fig. 1 is the structural representation of the dust removal device of pole piece provided in the utility model one embodiment;
Fig. 2 is the structural representation of the casing of the dust removal device of pole piece provided in the utility model one embodiment;
Fig. 3 is the structural representation of the casing of the dust removal device of pole piece provided in the utility model another embodiment;
Fig. 4 be in the utility model one embodiment the transmittance section that provides and dust collecting port in the solid of the casing of same side Structural representation;
Fig. 5 be in the utility model one embodiment the transmittance section that provides and dust collecting port not same side casing it is vertical Body structural representation.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment Described in embodiment do not represent all embodiments consistent with the utility model.On the contrary, they be only with such as The example of the consistent apparatus and method of some aspects being described in detail in appended claims, of the present utility model.
Laser cutting forms the shape that lug refers to cut out lug in the blank space of pole piece sheet stock using laser head, the work The lug that skill is obtained not only is connected firmly compared with the lug of ultra-sonic welded, and electric conductivity is good, can effectively ensure The performance of battery.
However, waste material can be produced during laser cutting pole piece, if these waste materials are attached to band on pole piece coiled material Enter to process below, or even be involved in inside battery, be just easy to pierce through the diaphragm paper in battery core, cause battery micro-short circuit, Even result in the potential safety hazards such as battery explosion.
In order to solve the problems, such as that the pole piece after cutting is infected with waste material, the technical solution of the utility model provides a kind of pole piece Dust arrester.
It is described in further detail below according to 1 to 5 pair of the utility model of accompanying drawing.
As shown in Figure 1, Figure 4, Figure 5, this application provides dust removal device of pole piece during a kind of cutting for pole piece, the pole piece Dust arrester includes laser cutting machine 1, blower fan 2 and casing 3, wherein:
The first side 31 relative with laser cutting machine 1 of casing 3 is provided with first transmittance section relative with laser cutting machine 1 311, casing 3 is provided with dust collecting port 34, and dust collecting port 34 is connected with blower fan 2, and blower fan 2 drives dust collecting port 34 to cut laser cutting machine 1 Cut caused by pole piece outside waste material discharge casing 3.
Air circulation has been driven by blower fan 2 first, laser cutting machine 1 is then cut by pole piece by the air of circulation and produced Raw waste material is driven to dust collecting port 34, and subsequently waste material has been discharged outside casing 3 by dust collecting port 34, so as to clean up in casing 3 Waste material, and then ensure pole piece 5 will not be infected with waste material after laser cutting.
The cutting laser beam that laser cutting machine 1 is launched acts on pole to be cut in casing 3 through the first transmittance section 311 Piece.
Pass through the setting of the first transmittance section 311 so that laser cutting machine 1 can also be cut outside casing 3 to pole piece 5 Action.
Optionally, first side 31 and second side 32 are symmetrical arranged.Pass through pair of first side 31 and second side 32 Claim to set, ensure that the ventilation on the both sides of pole piece 5 is identical, improve the stability of dust suction.
The side relative with first side 31 of casing 3 is provided with second transmittance section 321 relative with the first transmittance section 311.
In practical operation, the first transmittance section 311 can be the through hole on casing 3, in order to continue to keep the both sides of pole piece 5 Ventilation is identical, so the second transmittance section 321 of through hole class is provided with the position relative with the first transmittance section 311, therefore second is saturating The main purpose of light portion 321 is symmetrical arranged with the first transmittance section 311 to maintain the symmetrical of the interior pole both sides ventilation of casing 3 as far as possible Property, ensure that pole piece is stable as far as possible and do not shake.
Certainly, if the first transmittance section 311 is nonventilated light-transmitting materials, such as glass etc., then do not have to typically set through hole Second transmittance section 321 of class balances the ventilation on the both sides of pole piece 5.
As shown in Figure 2 and Figure 3, side relative with first side 31 on casing 3 is second side 32, the He of first side 31 Second side 32 is the cambered surface to the sunken inside of casing 3, formed with space between first side 31 and second side 32.
Passing through the design of the cambered surface to the sunken inside of casing 3 so that wind-force increases in recess because flow increases, so that Obtain the waste material being infected with pole piece 5 to be more easy to depart from, further increase efficiency of dust collection.
Dust collecting port 34 is located on the 3rd side 33 of casing 3, and the 3rd side 33 is and first side 31 or second side 32 Different sides, hollow out is set on the 4th side relative with the 3rd side 33 of casing 3.
Set by the hollow out of the 4th side, led to so as to allow be formed between the 4th side and the dust collecting port 34 of the 3rd side 33 Road so that between air can circulate so as to form air-flow.
As shown in Figure 4, Figure 5, in embodiments herein, it can be that whole face is left blank that hollow out, which is set, and certain hollow out is set It can also be through hole, with engraved structures such as bars, not be limited here.
As shown in Figure 2 and Figure 3, the distance between central point of first side 31 and second side 32 is less than first side 31 The distance between second point of non-central point, first point and second point phase in first point of upper non-central point and second side 32 It is right.
Non-central point in first side 31 is less than by the distance between central point of first side 31 and second side 32 First point and second side 32 on non-central point the distance between second point set-up mode, disclose a kind of both ends open The small space structure of big middle opening, this structure can ensure only to form the wind-force of maximum in central spot.
In one implementation, the central point of the first transmittance section 311 is less than or waited away from the distance between the 3rd side 33 In the central point of first side 31 away from the distance between the 3rd side 33 so that waste material caused by the cutting pole piece 5 of laser cutting machine 1 exists It is difficult to escape from the first transmittance section 311 under wind-force effect, avoids the camera lens contamination waste material of laser cutting machine 1.
Certainly, in practical operation, when the short of width of the first transmittance section 311 is make it that waste material escapes from loophole, Transmittance section can also be arranged at the center position of first side 31 and second side 32.
In actual applications, can also be according to the gap width formed between first side 31 and second side 32, rationally First transmittance section 311 is set in the position of first side 31, given up with ensureing laser cutting machine 1 to cut caused by pole piece 5 as far as possible Material can not escape under wind-force effect from the first transmittance section 311.
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, dust collecting port 34 is located in the predetermined seating side of casing 3, predetermined seating side To be and the side of first side 31 or second with first side 31 and/or the identical side of second side 32, or, predetermined seating side The different side in face 32.
In practical operation, in order to ensure that the suction on the both sides of pole piece 5 is kept in balance, predetermined mounting surface can be and the first side Two sides in face 31 and 32 identical of second side, i.e. first side 31 in second side 32 with being equipped with dust collecting port 34, certainly It is not precluded within the feasibility for setting dust collecting port 34 also to reach pick-up performance on one of face.
It is apparent that, it is necessary to avoid transmittance section when dust collecting port 34 is arranged on first side 31 and/or second side 32, and And the laser beam transparent transmittance section for cutting can not be influenceed.
Optionally, when predetermined seating side is the side differed with first side 31 or second side 32, dust collecting port 34 can be provided only on one side.
As shown in figure 1, dust removal device of pole piece also includes at least one set of pole piece clamping device 4, pole piece clamping device 4 is configured To clamp pole piece 5.
Pass through pole piece clamping device 4 so that the pole piece for being cut place avoids producing shake because of the effect of wind-force, so as to keep away Exempt from laser cutting because pole piece 5 is shaken and caused position deviation, further ensure the Stability and veracity of cutting.
In the present embodiment, pole piece clamping device 4 is roller clamping device, and one group of pole piece clamping device 4 includes two rollings Wheel, is separately positioned on the obverse and reverse of pole piece 5, two roller collective effects are in a position of a pole piece 5.
Pass through the design of roller so that pole piece 5 also can guarantee that the effect of clamping in course of conveying, so as to accelerate production Efficiency.
Casing 3 sets input port 35 and the delivery outlet 36 for providing that pole piece 5 passes through, and pole piece clamping device 4 is two groups, pole piece folder The position relationship of tight device 4 and casing 3, including at least the following two kinds set-up mode:
The first, first group of pole piece clamping device is arranged on the outside of casing 3 and is located at the opening position of input port 35, second group of pole Piece clamping device is arranged on the outside of casing 3 and is located at the opening position of delivery outlet 36.
Second, first group of pole piece clamping device is arranged on the inside of casing 3 and is located at the opening position of input port 35, second group of pole Piece clamping device is arranged on the inside of casing 3 and is located at the opening position of delivery outlet 36.
Obviously, when actually realizing, first group of pole piece clamping device can also be arranged on to the outside of casing 3 and positioned at input 35 opening positions of mouth, second group of pole piece clamping device are arranged on the inside of casing 3 and are located at the opening position of delivery outlet 36;Or can be with First group of pole piece clamping device is arranged on the inside of casing 3 and is located at the opening position of input port 35, second group of pole piece clamping device is set Put in the outside of casing 3 and be located at the opening position of delivery outlet 36.
As shown in Figure 4, Figure 5, it is readily understood that, input port 35 and delivery outlet 36 are the sky outputed on casing 3 Lack, the size of pole piece 5 of the vacancy size with being processed matches.
In order to prevent waste material from dropping on second group of pole piece clamping device, so that being infected with the second stack clamping device useless Material, so in actual practice it is preferred to be arranged on using by first group of pole piece clamping device in casing 3, second group of pole piece clamps Device is arranged on the mode outside casing 3.
In summary, the dust removal device of pole piece during cutting provided by the utility model for pole piece, passes through blower fan band first Air circulation has been moved, has then been driven waste material caused by laser cutting machine cutting pole piece to dust collecting port by the air of circulation, then Then waste material has been discharged outside casing by dust collecting port, so as to clean up the waste material in casing, and then ensures that pole piece is being cut by laser Waste material will not be infected with afterwards;By provided with pole piece clamping device, being clamped pole piece to be cut, improve device stability and Accuracy;Set by the radian of first side and second side, increase the wind-force size of cutting part, and then improve and remove Dirt effect.
You need to add is that the dust removal device of pole piece protection domain referred in the application does not include the restriction to pole piece, Can there is no pole piece in actual production, sale dust removal device of pole piece, and just introduce pole piece in use, therefore pole piece is simultaneously It cannot be used for limiting the protection domain of dust removal device of pole piece in the application.
Unless otherwise defined, technical term or scientific terminology used herein are should be in the utility model art The ordinary meaning that personage with general technical ability is understood.Make in the utility model patent application specification and claims " first ", " second " and similar word do not represent any order, quantity or importance, and are used only to distinguish not Same part.Equally " connect " word that either " connected " etc. is similar and be not limited to physics or mechanical connection, But electrical connection can be included, it is either directly or indirect." side ", " opposite side " only represent relative position Relation, after the absolute positional relation for the object being described changes, then this thinks that corresponding position relationship also changes accordingly.In addition " at least one set " said in text include one group, two groups or more.
Those skilled in the art will readily occur to this practicality after considering specification and putting into practice the utility model invented here New other embodiments.The application is intended to any modification, purposes or adaptations of the present utility model, these Modification, purposes or adaptations follow general principle of the present utility model and including the non-utility models of the utility model Common knowledge or conventional techniques in the art.Description and embodiments are considered only as exemplary, and this practicality is new The true scope and spirit of type are pointed out by claim.
It should be appreciated that the accurate knot that the utility model is not limited to be described above and is shown in the drawings Structure, and various modifications and changes can be being carried out without departing from the scope.The scope of the utility model only will by appended right Ask to limit.

Claims (10)

1. dust removal device of pole piece during a kind of cutting for pole piece, it is characterised in that the dust removal device of pole piece is cut including laser Cutting mill, blower fan and casing, wherein:
The casing first side relative with the laser cutting machine is provided with first printing opacity relative with the laser cutting machine Portion, the casing are provided with dust collecting port, and the dust collecting port is connected with the blower fan, and the blower fan drives the dust collecting port by described in Waste material caused by laser cutting machine cutting pole piece is discharged outside the casing.
2. dust removal device of pole piece according to claim 1, it is characterised in that the cutting laser of the laser cutting machine transmitting Beam acts on pole piece to be cut in the casing through first transmittance section.
3. dust removal device of pole piece according to claim 1, it is characterised in that the casing is relative with the first side Side is provided with second transmittance section relative with first transmittance section.
4. dust removal device of pole piece according to claim 1, it is characterised in that relative with the first side on the casing Side be second side, the first side and the second side are the cambered surface to the casing sunken inside, described first Formed with space between side and the second side.
5. dust removal device of pole piece according to claim 4, it is characterised in that the first side and the second side pair Claim to set.
6. dust removal device of pole piece according to claim 4, it is characterised in that the dust collecting port is located at the 3rd of the casing On side, the 3rd side is the side different from the first side or the second side, the casing and described the Hollow out is set on the 4th relative side of three sides.
7. dust removal device of pole piece according to claim 6, it is characterised in that the first side and the second side The distance between central point is less than in the first side non-central point in first point of non-central point and the second side The distance between second point, described first point is relative with the second point,
The central point of first transmittance section is less than or equal to the first side center away from the distance between described 3rd side Point is away from the distance between described 3rd side.
8. dust removal device of pole piece according to claim 1, it is characterised in that the dust collecting port is located at the predetermined of the casing In seating side, the predetermined seating side is and the first side and/or the second side identical side, Huo,Suo It is the side different from the first side or the second side to state predetermined seating side.
9. according to any described dust removal device of pole piece in claim 1 to 8, it is characterised in that the dust removal device of pole piece is also Including at least one set of pole piece clamping device, the pole piece clamping device is configured as clamping pole piece.
10. dust removal device of pole piece according to claim 9, it is characterised in that the casing, which is set, provides what pole piece passed through Input port and delivery outlet, the pole piece clamping device are two groups, wherein:
First group of pole piece clamping device is arranged on outside the casing and is located at the input port opening position, and second group of pole piece clamps Device is arranged on outside the casing and at the delivery outlet position;
Or
First group of pole piece clamping device is arranged on the box house and is located at the input port opening position, and second group of pole piece clamps Device is arranged on the box house and at the delivery outlet position.
CN201720324585.1U 2017-03-30 2017-03-30 Dust removal device of pole piece Active CN206662534U (en)

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Application Number Priority Date Filing Date Title
CN201720324585.1U CN206662534U (en) 2017-03-30 2017-03-30 Dust removal device of pole piece

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Application Number Priority Date Filing Date Title
CN201720324585.1U CN206662534U (en) 2017-03-30 2017-03-30 Dust removal device of pole piece

Publications (1)

Publication Number Publication Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107999972A (en) * 2017-12-26 2018-05-08 深圳市光大激光科技股份有限公司 A kind of lug laser cutting device and the method for cutting lug
CN109175683A (en) * 2018-10-12 2019-01-11 中兴高能技术有限责任公司 A kind of dust removal device of pole piece

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107999972A (en) * 2017-12-26 2018-05-08 深圳市光大激光科技股份有限公司 A kind of lug laser cutting device and the method for cutting lug
CN107999972B (en) * 2017-12-26 2024-04-19 深圳市光大激光科技股份有限公司 Tab laser cutting device and tab cutting method
CN109175683A (en) * 2018-10-12 2019-01-11 中兴高能技术有限责任公司 A kind of dust removal device of pole piece

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Effective date of registration: 20190509

Address after: No. 5 Minshan Road, Xinwu District, Wuxi City, Jiangsu Province, 214000

Patentee after: WUXI AUTOWELL TECHNOLOGY CO., LTD.

Address before: No. 5 Minshan Road, Xinwu District, Wuxi City, Jiangsu Province, 214000

Patentee before: Wuxi dimensional optical application Co., Ltd.

TR01 Transfer of patent right