CN111391358A - Battery diaphragm preparation equipment based on phase separation method - Google Patents
Battery diaphragm preparation equipment based on phase separation method Download PDFInfo
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- CN111391358A CN111391358A CN202010206406.0A CN202010206406A CN111391358A CN 111391358 A CN111391358 A CN 111391358A CN 202010206406 A CN202010206406 A CN 202010206406A CN 111391358 A CN111391358 A CN 111391358A
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- Prior art keywords
- movably connected
- plate
- spring
- phase separation
- separation method
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/02—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore of moulding techniques only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/70—Maintenance
- B29C33/72—Cleaning
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Cell Separators (AREA)
Abstract
The invention relates to the technical field of battery diaphragm manufacturing, and discloses battery diaphragm manufacturing equipment based on a phase separation method, which comprises a push rod, wherein the lower end of the push rod is movably connected with a stretching rod, the surface of the stretching rod is movably connected with a twisting plate, the bottom of the twisting plate is movably connected with a gear, the surface of the gear is movably connected with a meshing plate, one side of the meshing plate, which is far away from the gear, is movably connected with a pressing plate, the inside of the pressing plate is movably connected with a pushing piece, the inside of the stretching rod is movably connected with a liquid storage bag, the inside of the liquid storage bag is movably connected with a compression spring, the surface of the compression spring is movably connected with a roller rod, one end, which is far away from the compression spring, of the. This is the squeezing work of the diaphragm; along with the continuous removal of push rod, tensile pole removes to both sides gradually, and this is the tensile work of diaphragm, so reached and used the same mechanism to reduce the effect that the difference in temperature influences the membrane piece.
Description
Technical Field
The invention relates to the technical field of battery diaphragm manufacturing, in particular to battery diaphragm manufacturing equipment based on a phase separation method.
Background
The battery diaphragm is a layer of diaphragm material between the positive electrode and the negative electrode of the battery, is a very critical part in the battery, has direct influence on the safety and the cost of the battery, and has the main functions of: isolating the positive electrode from the negative electrode, preventing electrons in the battery from freely passing through the battery, and allowing ions in the electrolyte to freely pass between the positive electrode and the negative electrode; the preparation method of the battery diaphragm is divided into a dry method and a wet method, wherein the wet method is used more.
The existing wet method is to mix liquid hydrocarbon or some small molecular substances with polyolefin resin, form a uniform mixture after heating and melting, then cool down and carry out phase separation, press to obtain a membrane, and then carry out biaxial tension to orient molecular chains to obtain a membrane material; the existing wet-process manufacturing equipment only adopts different mechanisms to process the membrane in the pressing and stretching processes, so that the temperature difference between the surfaces of different mechanisms is large, the membrane can shrink in different degrees when acting on the surface of the membrane, and the manufacturing of the membrane is further influenced, and therefore, the battery diaphragm manufacturing equipment based on the phase separation method is produced at will.
Disclosure of Invention
In order to achieve the purposes of reducing the influence of temperature difference on the membrane piece by using the same mechanism and automatically cleaning material residues after the membrane piece is manufactured, the invention provides the following technical scheme: the utility model provides a battery diaphragm preparation equipment based on phase separation method, includes the push rod, the lower extreme swing joint of push rod has tensile pole, and the surperficial swing joint of tensile pole has the board of turning round, and the bottom swing joint of turning round the board has the gear, and the surperficial swing joint of gear has the meshing board, and one side swing joint that the gear was kept away from to the meshing board has the board of exerting pressure, and the inside swing joint of the board of exerting pressure has a propelling movement piece, the inside swing joint of tensile pole has the reservoir, and the inside swing joint of reservoir has compression spring, and compression spring's surperficial swing joint has the gyro wheel pole, and compression spring's one end sliding connection has the deflector, and the surperficial swing.
The invention has the beneficial effects that:
1. when the engaging plates are engaged, the pressing plate can be moved to deflect towards the central line position by the deflected engaging plates, so that the pressing plate can move in the vertical direction when deflected, and the diaphragm is extruded; along with the continuous removal of push rod, tensile pole removes to both sides gradually, and this is the tensile work of diaphragm, so reached and used the same mechanism to reduce the effect that the difference in temperature influences the membrane piece.
2. The push rod loses thrust, the torsion plate moves upwards under the action of the return spring, the rear compression spring pushes the roller rod to move upwards, and meanwhile, the solvent in the liquid storage bag is also taken out to flow into the conveying pipe from the liquid flow groove, so that the effect of self-cleaning of residual substances after the manufacturing is finished is achieved.
Preferably, the junction swing joint of push rod and extension rod has the conveyer pipe, and the surface activity of conveyer pipe is trained to be connected with reset spring, and reset spring plays when the torsion plate loses the extrusion force, can drive its effect of recovering to the original state.
Preferably, one end of the return spring, which is far away from the conveying pipe, is movably connected with the torsion plate, the elastic force of the return spring is matched with the elastic force of the spring tube, and the spring tube plays a role in resisting the torsion force between the torsion plate and the pull rope rod, so that the phenomenon of clamping between the torsion plate and the pull rope rod is prevented.
Preferably, the pushing member includes the spring board, spring board and the inside bottom swing joint who exerts the clamp plate, and when exerting the clamp plate and receive the extrusion, its inside spring board can be promoted, can make the diapire that exerts the clamp plate take place deformation when the spring board is promoted, so can enlarge the displacement distance on the clamp plate longitudinal side, the extrusion film of being convenient for.
Preferably, the surface of the meshing plate is provided with a groove, and teeth on the surface of the gear are matched with the groove on the surface of the meshing plate, so that the teeth and the groove are convenient to contact and clamp.
Preferably, the number of the pressing plates is two, and the sum of the surface areas of the two pressing plates is the same as the surface area of the heating groove, so that the pressing of the membrane on the surface of the heating groove is facilitated.
Preferably, the elasticity of the compression spring is greater than the elasticity of the spring tube, and the spring tube is movably connected with the torsion plate.
Preferably, the number of the stretching rods is two, and the distance between the symmetrical pull rod rods is matched with the elastic force range of the return spring.
Preferably, the solvent which is remained after the volatile substances are eluted is stored in the liquid storage bag, the solvent is ethanol, the ethanol is an organic substance and is commonly called alcohol, the chemical formula of the ethanol is CH3CH2OH (C2H6O or C2H5OH) or EtOH, the ethanol is saturated monohydric alcohol with a hydroxyl group, the ethanol is a flammable and volatile colorless transparent liquid at normal temperature and normal pressure, and the aqueous solution of the ethanol has the aroma of wine and is slightly irritant. Has the smell of wine and pungent taste, and is slightly sweet.
Drawings
FIG. 1 is a schematic view of a push rod according to the present invention;
FIG. 2 is a schematic view of the return spring of the present invention;
fig. 3 is a cross-sectional view of the stretch rod configuration of the present invention;
FIG. 4 is an enlarged view of a portion A of FIG. 3;
FIG. 5 is a schematic view of the roller bar structure of the present invention.
In the figure: 1-push rod, 2-stretching rod, 3-torsion plate, 4-gear, 5-meshing plate, 6-pressing plate, 7-pushing member, 8-reservoir, 9-compression spring, 10-roller rod, 11-deflection plate, 12-spring tube, 13-fluid groove, 14-conveying tube, 15-reset spring and 16-spring plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a device for manufacturing a battery separator based on a phase separation method includes a push rod 1, wherein the lower end of the push rod 1 is movably connected with two stretching rods 2, and the distance between the two stretching rods 2 is matched with the elastic range of a return spring 15; a delivery pipe 14 is movably connected at the joint of the push rod 1 and the stretching rod 2, and a return spring 15 is movably connected on the surface of the delivery pipe 14.
One end of the return spring 15 far away from the conveying pipe 14 is movably connected with the torsion plate 3, the elastic force of the return spring 15 is matched with the elastic force of the spring pipe 12, the spring pipe 12 plays a role in resisting the torsion force between the torsion plate 3 and the pull rope rod 2, and the return spring 15 which prevents the clamping phenomenon between the two plays a role in driving the torsion plate 3 to restore to the original state when losing the extrusion force.
The surface swing joint of tensile pole 2 has torsion plate 3, and the bottom swing joint of torsion plate 3 has gear 4, and the surface swing joint of gear 4 has meshing board 5, and the surface of meshing board 5 is seted up flutedly, and the tooth on gear 4 surface and the recess looks adaptation on meshing board 5 surface are convenient for both contact joints.
One side of the meshing plate 5, which is far away from the gear 4, is movably connected with two pressure applying plates 6, the number of the pressure applying plates 6 is two, and the sum of the surface areas of the two pressure applying plates 6 is the same as that of the heating groove, so that the pressure can be applied to the membrane on the surface of the heating groove conveniently; the pushing piece 7 is movably connected inside the pressing plate 6, the pushing piece 7 comprises a spring plate 16, the spring plate 16 is movably connected with the bottom inside the pressing plate 6, when the pressing plate 6 is extruded, the spring plate 16 inside the pressing plate can be pushed, and when the spring plate 16 is pushed, the bottom wall of the pressing plate 6 can be deformed, so that the moving distance on the longitudinal surface of the pressing plate 6 can be enlarged, and the film can be conveniently extruded.
The interior of the stretching rod 2 is movably connected with a liquid storage bag 8, the liquid storage bag 8 stores a solvent which is remained by eluting volatile substances, the solvent is ethanol, the ethanol is an organic matter, commonly known as alcohol, has a chemical formula of CH3CH2OH (C2H6O or C2H5OH) or EtOH, is saturated monohydric alcohol with a hydroxyl group, is flammable and volatile colorless transparent liquid at normal temperature and normal pressure, and has the smell of bouquet and slight irritation in aqueous solution. Has the smell of wine and pungent taste, and is slightly sweet; the interior of the liquid storage bag 8 is movably connected with a compression spring 9, the elasticity of the compression spring 9 is larger than that of a spring tube 12, and the spring tube 12 is movably connected with the torsion plate 3; the surface of the compression spring 9 is movably connected with a roller rod 10, one end of the roller rod 10, which is far away from the compression spring 9, is slidably connected with a deflection plate 11, the surface of the deflection plate 11 is movably connected with a spring pipe 12, a liquid flow groove 13 is formed in the deflection plate 11, and the liquid flow groove 13 provides a certain flowing space for flowing out a solvent.
When the device is used, the push rod 1 is placed above the substance heating groove, after heating is completed, the driving part is started to enable the push rod 1 to move downwards, when the push rod 1 moves downwards, the stretching rod 2 is pushed to move downwards and diffuse towards two sides, when the stretching rod 2 moves towards two sides, the twisting plate 3 is pulled, the twisting plate 3 deflects and then is meshed with the meshing plate 5 through the gear 4 to rotate, when the meshing plate 5 is meshed, the motion track of the twisting plate 3 is combined, the pressing plate 6 can be driven by the deviated meshing plate 5 to deflect towards the central line, so that when the pressing plate deflects 6, the pressing plate can move in the vertical direction, and the longitudinal movement of the pressing plate 6 can be used for pressing a membrane in the heating groove, so that the membrane is pressed; with the continuous movement of the push rod 1, the stretching rod 2 gradually moves towards two sides and contacts with the membrane to stretch the membrane, and the stretching operation is the stretching operation of the membrane.
When the push rod 1 moves the torsion plate 3 downwards and is pulled and deflected by the stretching rod 2, the torsion plate 3 moves on the surface of the stretching rod 2 to push the roller rod 10 to move towards the direction close to the liquid storage bag 8, so the compression spring 9 is extruded, after the membrane completes the pressing and stretching work, the push rod 1 loses the thrust, the torsion plate 3 moves upwards under the action of the return spring 15, the rear compression spring 9 loses the extrusion force and pushes the roller rod 10 to move upwards under the action of the self elastic restoring force, meanwhile, the solvent in the liquid storage bag 8 is also taken out by the previously accumulated extrusion force, flows to the interior of the conveying pipe 14 from the liquid flow groove 13 and flows to the surface of the heating groove, and the membrane in the heating groove is transferred at the moment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (8)
1. A battery diaphragm preparation equipment based on phase separation method, includes push rod (1), its characterized in that: the lower end of the push rod (1) is movably connected with a stretching rod (2), the surface of the stretching rod (2) is movably connected with a twisting plate (3), the bottom of the twisting plate (3) is movably connected with a gear (4), the surface of the gear (4) is movably connected with a meshing plate (5), one side, far away from the gear (4), of the meshing plate (5) is movably connected with a pressing plate (6), and the interior of the pressing plate (6) is movably connected with a pushing piece (7);
the inner part of the stretching rod (2) is movably connected with a liquid storage bag (8), the inner part of the liquid storage bag (8) is movably connected with a compression spring (9), the surface of the compression spring (9) is movably connected with a roller rod (10), one end, far away from the compression spring (9), of the roller rod (10) is slidably connected with a deflection plate (11), the surface of the deflection plate (11) is movably connected with a spring pipe (12), and a liquid flow groove (13) is formed in the deflection plate (11).
2. The apparatus for manufacturing a battery separator based on a phase separation method according to claim 1, wherein: the joint of the push rod (1) and the stretching rod (2) is movably connected with a conveying pipe (14), and the surface of the conveying pipe (14) is movably connected with a return spring (15).
3. The apparatus for manufacturing a battery separator based on a phase separation method according to claim 2, wherein: one end, far away from the conveying pipe (14), of the return spring (15) is movably connected with the torsion plate (3), and the elastic force of the return spring (15) is matched with the elastic force of the spring pipe (12).
4. The apparatus for manufacturing a battery separator based on a phase separation method according to claim 1, wherein: the pushing piece (7) comprises a spring plate (16), and the spring plate (16) is movably connected with the bottom inside the pressing plate (6).
5. The apparatus for manufacturing a battery separator based on a phase separation method according to claim 1, wherein: the surface of the meshing plate (5) is provided with a groove, and teeth on the surface of the gear (4) are matched with the groove on the surface of the meshing plate (5).
6. The apparatus for manufacturing a battery separator based on a phase separation method according to claim 1, wherein: the number of the pressing plates (6) is two, and the sum of the surface areas of the two pressing plates (6) is the same as the surface area of the heating tank.
7. The apparatus for manufacturing a battery separator based on a phase separation method according to claim 1, wherein: the elasticity of the compression spring (9) is larger than that of the spring tube (12), and the spring tube (12) is movably connected with the torsion plate (3).
8. The apparatus for manufacturing a battery separator based on a phase separation method according to claim 1, wherein: the number of the stretching rods (2) is two, and the distance between the symmetrical pull rod rods (2) is matched with the elastic force range of the return spring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010206406.0A CN111391358B (en) | 2020-03-23 | 2020-03-23 | Battery diaphragm preparation equipment based on phase separation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010206406.0A CN111391358B (en) | 2020-03-23 | 2020-03-23 | Battery diaphragm preparation equipment based on phase separation method |
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| CN111391358A true CN111391358A (en) | 2020-07-10 |
| CN111391358B CN111391358B (en) | 2020-11-13 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332586A (en) * | 2014-09-02 | 2015-02-04 | 惠州亿纬锂能股份有限公司 | Production method and production equipment of ultrathin lithium belt |
| KR101701808B1 (en) * | 2016-05-18 | 2017-02-02 | 화이버텍(주) | Manufacturing method of super heat resistant battery separator using glass fiber |
| CN208101035U (en) * | 2018-02-01 | 2018-11-16 | 安徽铭海通科技有限公司 | A kind of longitudinal tensile fixture for lithium battery diaphragm |
-
2020
- 2020-03-23 CN CN202010206406.0A patent/CN111391358B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332586A (en) * | 2014-09-02 | 2015-02-04 | 惠州亿纬锂能股份有限公司 | Production method and production equipment of ultrathin lithium belt |
| KR101701808B1 (en) * | 2016-05-18 | 2017-02-02 | 화이버텍(주) | Manufacturing method of super heat resistant battery separator using glass fiber |
| CN208101035U (en) * | 2018-02-01 | 2018-11-16 | 安徽铭海通科技有限公司 | A kind of longitudinal tensile fixture for lithium battery diaphragm |
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| CN111391358B (en) | 2020-11-13 |
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Effective date of registration: 20201026 Address after: 325600 602, 6th floor, building 1, No.7, Lehu Road, Lecheng street, Yueqing City, Wenzhou City, Zhejiang Province Applicant after: Yueqing Taiqi Intellectual Property Service Co.,Ltd. Address before: 311600 room 203-10, unit 1, building 2, No. 89-105, Zhijiang Road, xiaya Town, Jiande City, Hangzhou City, Zhejiang Province Applicant before: Hangzhou liangcui Technology Co.,Ltd. |
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Application publication date: 20200710 Assignee: Yueqing Shusheng Technology Co.,Ltd. Assignor: Yueqing Taiqi Intellectual Property Service Co.,Ltd. Contract record no.: X2022330000338 Denomination of invention: A battery separator manufacturing equipment based on phase separation method Granted publication date: 20201113 License type: Common License Record date: 20220726 Application publication date: 20200710 Assignee: Yueqing Xinyi Technology Co.,Ltd. Assignor: Yueqing Taiqi Intellectual Property Service Co.,Ltd. Contract record no.: X2022330000337 Denomination of invention: A battery separator manufacturing equipment based on phase separation method Granted publication date: 20201113 License type: Common License Record date: 20220726 Application publication date: 20200710 Assignee: Yueqing xuyao Technology Co.,Ltd. Assignor: Yueqing Taiqi Intellectual Property Service Co.,Ltd. Contract record no.: X2022330000336 Denomination of invention: A battery separator manufacturing equipment based on phase separation method Granted publication date: 20201113 License type: Common License Record date: 20220726 |
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