CN206673020U - A kind of electrodes of lithium-ion batteries cuts dust arrester - Google Patents

A kind of electrodes of lithium-ion batteries cuts dust arrester Download PDF

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Publication number
CN206673020U
CN206673020U CN201720458796.4U CN201720458796U CN206673020U CN 206673020 U CN206673020 U CN 206673020U CN 201720458796 U CN201720458796 U CN 201720458796U CN 206673020 U CN206673020 U CN 206673020U
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CN
China
Prior art keywords
pole piece
dust
lithium
collection groove
electrodes
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CN201720458796.4U
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Chinese (zh)
Inventor
王继生
朱观音
崔孟伟
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JI'AN CITY YOUTELI TECHNOLOGY Co Ltd
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JI'AN CITY YOUTELI TECHNOLOGY Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The utility model discloses a kind of electrodes of lithium-ion batteries to cut dust arrester, is related to technical field of lithium-ion battery.Electrodes of lithium-ion batteries cutting dust arrester includes dust collection groove, air pump and the air jet pipe connected with air pump, the dust collection groove is arranged on the lower section of pole piece and is open towards pole piece, the air jet pipe is arranged on the top of pole piece and corresponding with the position of dust collection groove, several fumaroles are provided with the air jet pipe, the gas-blowing outlets of the fumarole are towards pole piece.The beneficial effects of the utility model are to remove dust and metal impurities caused by pole piece cutting, it efficiently avoid dust and metal impurities be adhered to influence lithium ion performance on battery pole piece, avoid causing the defects such as self-discharge of battery is big, micro-short circuit is more, product qualification rate is low.

Description

A kind of electrodes of lithium-ion batteries cuts dust arrester
Technical field
The present invention relates to technical field of lithium-ion battery, and in particular to a kind of electrodes of lithium-ion batteries cutting dedusting dress Put.
Background technology
Lithium ion battery has that high working voltage, high-energy-density, energy density are big, power output is high, have extended cycle life, nothing The advantages that environmental pollution, not only it is widely used on portable communication apparatus, and is widely used in electronic vapour The fields such as car, electric tool, therefore be that current major battery producer develops to the performance requirement more and more higher of lithium ion battery Main way.
Lithium ion battery in the market is usually laminated structure, i.e., is laminated positive plate, negative plate and barrier film After form battery, then in battery covering casing.Wherein, positive and negative plate needs the raw material of wide cut in production The width of different size is cut into meet use demand.Generally use cutting machine is cut to positive and negative plate in the prior art Cut, in cutting process, positive plate, negative plate cut edge easily produce dust, cause dust adhesion in positive plate, negative plate On, so as to cause the defects such as self-discharge of battery is big, micro-short circuit is more, product qualification rate is low, have a strong impact on battery cycle life and Security performance.In addition, cutting machine of the prior art is merely able to cut battery pole piece, the work(without removing dust Energy.
Utility model content
Technical problem to be solved in the utility model is the shortcomings that overcoming above prior art:A kind of lithium ion is provided Battery pole piece cut dust arrester, pole piece can not only be cut, and can remove simultaneously cutting caused by dust, avoid Dust adhesion influences the cycle life and security performance of lithium ion battery on positive plate, negative plate.
Technical solution of the present utility model is as follows:
A kind of electrodes of lithium-ion batteries cuts dust arrester, including dust collection groove, air pump and the spray connected with air pump Tracheae, the dust collection groove is arranged on the lower section of pole piece and opening is arranged on the top of pole piece towards pole piece, the air jet pipe And it is corresponding with the position of dust collection groove, several fumaroles are provided with the air jet pipe, the jet of the fumarole goes out Mouth is towards pole piece.
The utility model is connected by setting dust arrester on cutting machine, by air jet pipe with air pump, and air jet pipe is arranged on The top of pole piece, the air after air pump compresses is blowed into pole piece by the fumarole on air jet pipe, utilizes the air after compression Dust on pole piece is blown off, so as to reach the purpose of cleaning pole piece;Dust collection groove is set in the lower section of pole piece simultaneously, is used for Collect the dust blown off by air pump.
Preferably, also including blast pipe, dust catcher, one end of the blast pipe connects with dust collection groove, the other end Connected with dust catcher.The dust collected in dust collection groove is easily siphoned away by dust catcher, while further siphons away pole The dust remained on piece, further reach the purpose of cleaning pole piece.
Preferably, also include keeping out the wind groove, the groove that keeps out the wind be arranged on above air jet pipe and with dust collection groove location phase Corresponding, the opening of the groove that keeps out the wind is towards pole piece.For blocking the dust blown off on pole piece by air pump, prevent dust from flying upwards Rise, dust is descended slowly and lightly downwards so as to fall into dust collection groove.
Preferably, the side wall of the dust collection groove and the side wall and pole piece of the gap location of pole piece and the groove that keeps out the wind Gap location is equipped with hairbrush, and the hairbrush is contradicted with pole piece and is bonded.Hairbrush is set not only to brush off a part of powder on pole piece Dirt, further clear up pole piece;And reduce between dust collection groove and pole piece and kept out the wind between groove and pole piece simultaneously Gap, so as to reduce the Dust Capacity that dust arrester is run out of by the gap.
Preferably, the material of the hairbrush is soft wool carbon fiber.Soft wool carbon fiber is when carrying out brush to pole piece and sweeping Pole piece will not be damaged very much firmly because of hair quality, also will not can not effectively dedusting because hair quality is excessively soft.
Preferably, the magnet for adsorbing metal impurity is additionally provided with the inwall of the dust collection groove.For adsorbing The metal impurities of pole piece, so as to reach the purpose of cleaning pole piece metal impurities, the metal impurities on pole piece are avoided to glue Being attached on battery pole piece causes battery short circuit.
Preferably, the length of the air jet pipe is less than or equal to the length of dust collection groove.
Principle of the present utility model is:Air jet pipe is connected with air pump, the air after air pump compresses is passed through into air jet pipe On fumarole blow to pole piece, so that the dust on pole piece be blown off, reach the purpose of cleaning pole piece;Set in the lower section of pole piece Dust collection groove, dust collection groove is connected into blast pipe, blast pipe connection deduster, so as to utilize deduster by dust collection groove Interior dust siphons away, and further siphons away the dust on pole piece.In the side wall of dust collection groove and the gap location of pole piece and gear The side wall of wind groove and the gap location of pole piece set hairbrush, can not only brush the dust of pole piece, and reduce the size in gap. Magnet is set on the inwall of dust collection groove, the metal impurities in pole piece can be adsorbed, so as to eliminate on pole piece Metal impurities.
The beneficial effects of the utility model are:By setting the dust arrester on cutting machine, pole piece can not only be carried out Cutting, and can remove simultaneously cutting caused by dust and metal impurities, efficiently avoid dust and metal impurities adhesion Lithium ion performance is influenceed on battery pole piece, avoids causing the defects such as self-discharge of battery is big, micro-short circuit is more, product qualification rate is low, So as to substantially increase the cycle life of battery and security performance, the quality of product is improved.The utility model device simultaneously It is simple in construction, good dedusting effect.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
In figure, 1, dust collection groove;2nd, air pump;3rd, air jet pipe;31st, fumarole;4th, blast pipe;5th, dust catcher;6th, keep out the wind Groove;7th, hairbrush;8th, magnet;9th, roller bearing is unreeled;10th, blade roller bearing;101st, carving knife;11st, knife rest roller bearing;12nd, bundling roller bearing.
Embodiment
The utility model is described in further details with specific embodiment below, but the utility model be not only limited to Lower specific embodiment.
As shown in figure 1, a kind of electrodes of lithium-ion batteries cutting dust arrester, including dust collection groove 1, air pump 2 and with The air jet pipe 3 that air pump 2 connects, dust collection groove 1 is arranged on the lower section of pole piece and opening is arranged on pole towards pole piece, air jet pipe 3 The top of piece and corresponding with the position of dust collection groove 1, is provided with several fumaroles 31, the spray on the air jet pipe 3 The gas-blowing outlets of stomata 31 are towards pole piece;Also include blast pipe 4, deduster 5, one end of the blast pipe 4 and dust collection Groove 1 connects, and the other end connects with dust catcher 5;It is additionally provided with the top of air jet pipe 3 corresponding with the position of dust collection groove 1 Keep out the wind groove 6, and the opening of the groove 6 that keeps out the wind is towards pole piece.The side of the side wall of dust collection groove 1 and the gap location of pole piece and the groove 6 that keeps out the wind The gap location of wall and pole piece is additionally provided with hairbrush 7, and hairbrush 7 is contradicted with pole piece and is bonded;Magnetic is additionally provided with the inwall of dust collection groove 31 Iron 8.
In the present embodiment, side wall and the pole in gap and the groove 6 that keeps out the wind between the side wall of dust collection groove 1 and pole piece Gap between piece is provided with hairbrush 7, can not only brush off the dust on the pole piece passed through at gap, reaches the mesh of cleaning pole piece , and dust collection groove, the size in the gap kept out the wind between groove and pole piece are reduced simultaneously, so as to greatly reduce by this The Dust Capacity of dust arrester is run out of in gap, is advantageous to clear up dust.
In the present embodiment, the material of hairbrush 7 is soft wool carbon fiber, and soft wool carbon fiber is being carried out when brush is swept not to pole piece Can be because hair quality damage very much pole piece firmly, also will not can not effectively dedusting because hair quality is excessively soft.
In the present embodiment, magnet 8 is additionally provided with the inwall of dust collection groove 1, for adsorbing the metal impurities of pole piece. Because cell positive material is generally aluminium foil, negative material is generally copper foil, and aluminium foil and copper foil are metallics, remain in electricity It can cause that self-discharge of battery is big, micro-short circuit is more on the pole piece of pond, therefore by setting magnet on the inwall of dust collection groove, so as to Reach the purpose of cleaning pole piece metal impurities.
In the present embodiment, the length of air jet pipe 3 is less than or equal to the length of dust collection groove 1.To ensure quilt on pole piece The dust that air jet pipe blows off can be fallen into dust collection groove.
Also include being successively set in frame by pole piece transmission direction unreeling roller bearing 9, blade roller bearing 10, knife rest roller bearing 11 With bundling roller bearing 12, the carving knife 101 on blade roller bearing 10 contradicts with knife rest roller bearing 11 to be bonded, and above-mentioned dust arrester is arranged on knife Between frame roller bearing 11 and bundling roller bearing 12.
Specific implementation process:Pole piece material, which is placed on, to be unreeled on roller bearing 9, is then drawn to blade roller bearing 10 and is rolled with knife rest Slitting knife 101 cuts into pole piece between axle 11, completes the cutting of pole piece;Pole piece enters dust arrester, is firstly provided at powder The hairbrush 7 of the side wall of dirt collecting tank 1 and the gap location of pole piece and the keep out the wind side wall of groove 6 and the gap location of pole piece is to entrance Pole piece carries out brush and swept, and removes part dust;Then blown after air pump 2 compresses air by the fumarole 31 on air jet pipe 3 To pole piece, the dust on pole piece is cleaned, while deduster 5 is further further siphoned away the dust on pole piece by blast pipe 4, And the dust blown off by air pump is siphoned away in the lump;Magnet 8 adsorbs to the metal impurities on pole piece simultaneously;Finally, set out Hairbrush 7 at mouthful carries out brush to pole piece and swept again, that is, completes the dedusting of pole piece;Bundling roller bearing 12 is received to pole piece Volume, completes the cutting and dedusting of pole piece.
The principle of the utility model dedusting is:Air jet pipe is connected with air pump, the air after air pump compresses is passed through into spray Fumarole on tracheae blows to pole piece, so as to which the dust on pole piece be blown off, reaches the purpose of cleaning pole piece;In the lower section of pole piece Dust collection groove is set, dust collection groove is connected into blast pipe, blast pipe connection deduster, so as to receive dust using deduster Dust in collection groove siphons away, and further siphons away the dust on pole piece.Dust collection groove side wall and pole piece gap location, with And the side wall for the groove that keeps out the wind and the gap location of pole piece set hairbrush, can not only brush the dust of pole piece, and reduce gap Size.Magnet is set on the inwall of dust collection groove, the metal impurities in pole piece can be adsorbed, so as to eliminate pole piece On metal impurities.
The utility model provides a kind of electrodes of lithium-ion batteries cutting dust arrester, and pole piece can not only be cut, and And dust and metal impurities caused by cutting can be removed simultaneously, it is effectively prevented from dust and metal impurities is adhered to battery pole piece Upper influence lithium ion performance, so as to substantially increase the cycle life of battery and security performance, the quality of product is improved.
It the above is only feature implementation example of the present utility model, scope of protection of the utility model be not limited in any way. All technical schemes formed using equal exchange or equivalence replacement, are all fallen within the utility model rights protection scope.

Claims (7)

1. a kind of electrodes of lithium-ion batteries cuts dust arrester, it is characterised in that:Including dust collection groove (1), air pump (2) and The air jet pipe (3) connected with air pump (2), the dust collection groove (1) is arranged on the lower section of pole piece and opening is towards pole piece, described Air jet pipe (3) is arranged on the top of pole piece and corresponding with the position of dust collection groove (1), is provided with the air jet pipe (3) Several fumaroles (31), the gas-blowing outlets of the fumarole (31) are towards pole piece.
A kind of 2. electrodes of lithium-ion batteries cutting dust arrester according to claim 1, it is characterised in that:Also include exhaust (4), dust catcher (5) are managed, one end of the blast pipe (4) connects with dust collection groove (1), and the other end connects with dust catcher (5).
A kind of 3. electrodes of lithium-ion batteries cutting dust arrester according to claim 1, it is characterised in that:Also include keeping out the wind Groove (6), the groove that keeps out the wind (6) is arranged on above air jet pipe (3) and, the keep out the wind groove corresponding with dust collection groove (1) position (6) opening is towards pole piece.
A kind of 4. electrodes of lithium-ion batteries cutting dust arrester according to claim 3, it is characterised in that:The dust is received The side wall of collection groove (1) and the gap location and the side wall of the groove that keeps out the wind (6) and the gap location of pole piece of pole piece are equipped with hairbrush (7), institute Hairbrush (7) is stated to be bonded with pole piece conflict.
A kind of 5. electrodes of lithium-ion batteries cutting dust arrester according to claim 4, it is characterised in that:The hairbrush (7) material is soft wool carbon fiber.
A kind of 6. electrodes of lithium-ion batteries cutting dust arrester according to claim 1, it is characterised in that:The dust is received The magnet (8) for adsorbing metal impurity is additionally provided with the inwall of collection groove (1).
A kind of 7. electrodes of lithium-ion batteries cutting dust arrester according to claim 1, it is characterised in that:The air jet pipe (3) length is less than or equal to the length of dust collection groove (1).
CN201720458796.4U 2017-04-27 2017-04-27 A kind of electrodes of lithium-ion batteries cuts dust arrester Active CN206673020U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720458796.4U CN206673020U (en) 2017-04-27 2017-04-27 A kind of electrodes of lithium-ion batteries cuts dust arrester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720458796.4U CN206673020U (en) 2017-04-27 2017-04-27 A kind of electrodes of lithium-ion batteries cuts dust arrester

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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
CN107952749A (en) * 2017-12-08 2018-04-24 孟书芳 Battery core dust-extraction unit is used in a kind of lithium battery manufacture
CN113697575A (en) * 2021-09-15 2021-11-26 深圳市友利特精密机械制造有限公司 Intelligent cantilever open type lithium battery material positive and negative pole piece splitting machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107952749A (en) * 2017-12-08 2018-04-24 孟书芳 Battery core dust-extraction unit is used in a kind of lithium battery manufacture
CN113697575A (en) * 2021-09-15 2021-11-26 深圳市友利特精密机械制造有限公司 Intelligent cantilever open type lithium battery material positive and negative pole piece splitting machine

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