CN114171803A - Battery pole piece lamination platform - Google Patents
Battery pole piece lamination platform Download PDFInfo
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- CN114171803A CN114171803A CN202210129962.1A CN202210129962A CN114171803A CN 114171803 A CN114171803 A CN 114171803A CN 202210129962 A CN202210129962 A CN 202210129962A CN 114171803 A CN114171803 A CN 114171803A
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- lamination
- film pressing
- transmission
- seat
- assembly
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention discloses a battery pole piece lamination platform which comprises a lamination bearing assembly and a film pressing assembly, wherein the lamination bearing assembly is horizontally arranged and is used for providing a lamination bearing plane; the lamination seat of the lamination bearing assembly moves along the linear direction and moves up and down in the vertical direction; the film pressing assembly is arranged on the side part of the lamination assembly and is used for horizontally pressing the diaphragm on the lamination seat from the outer side; the lamination sheets of the lamination assembly automatically press towards the lamination seat along the vertical direction and are far away from the lamination seat outwards along the horizontal direction; the film pressing assembly drives the film pressing plate to ascend along the vertical direction through a power source and is close to the lamination seat along the horizontal direction. The invention realizes the automatic flattening and laminating of the diaphragm by single power during lamination.
Description
Technical Field
The invention relates to the field of lithium ion power batteries, in particular to a battery pole piece lamination platform suitable for a lithium ion power battery pole piece manufacturing process.
Background
Lithium battery refers to a battery containing Lithium including metallic Lithium, Lithium alloy and Lithium ion, Lithium polymer in electrochemical system. Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. A lithium battery is a type of rechargeable battery that mainly operates by movement of lithium ions between a positive electrode and a negative electrode. Batteries using a material containing lithium as an electrode are typical of modern high-performance batteries. With the development of new energy greatly promoted by the state, the demand of various industries on lithium ion power batteries is increasing day by day, and a battery cell in a composition structure of the lithium ion power battery is a core component of the lithium ion power battery, and the battery cell is generally formed by mutually overlapping positive and negative pole pieces in a staggered manner. The battery core composition structure comprises a plurality of positive and negative pole pieces which are staggered and overlapped up and down, and the positive and negative pole pieces are isolated and insulated by a diaphragm. At present, lithium battery equipment with more advanced domestic technology is mainly mastered by foreign equipment suppliers, and domestic high-end lithium battery lamination equipment mainly depends on import at present.
The electric core of the lithium ion battery is generally formed by overlapping positive and negative pole pieces in a staggered manner, and an insulating diaphragm is required to be inserted between the positive and negative pole pieces. The existing battery core manufacturing process comprises two modes of strip lamination and single lamination according to different diaphragm inserting processes, namely continuous diaphragms and single diaphragm lamination are adopted during lamination. For the strip lamination process, positive and negative pole pieces are alternately placed on a lamination platform during lamination, a strip diaphragm is circularly pulled back and forth above the lamination platform, the positive pole piece or the negative pole piece is covered on the surface of the positive pole piece or the negative pole piece after being laminated, and then the diaphragm is cut; this kind of lamination mode, belt form diaphragm tensioning and by the round trip pulling in the lamination process, there is stress inside, and the diaphragm surface can appear wrinkling the circumstances such as after deciding, influences electric core quality. For the single-sheet lamination process, the diaphragm is firstly cut into a single-sheet structure before lamination, the single-sheet diaphragm is laminated on the surface of the positive plate or the negative plate after the positive plate and the negative plate are laminated, the lamination process needs to take the diaphragm for multiple times to laminate the diaphragm, so that the lamination efficiency is low, the diaphragm needs to be aligned before lamination for ensuring the position precision of the lamination at each time, and the position precision of the lamination is difficult to effectively ensure.
Aiming at the belt-shaped lamination process, the following technical difficult problems need to be solved in the process of carrying out automatic lamination design: 1. in the lamination process, because the strip-shaped diaphragm needs to be flatly covered on the lamination platform or the pole piece back and forth on the premise of not cutting off, the position stability of the covered diaphragm layer needs to be solved when a new diaphragm layer is covered, the covered diaphragm layer is prevented from being pulled up when the diaphragm is pulled back and forth, and meanwhile, the flatness when the diaphragm is covered also needs to be ensured; 2. there is also a need to address the problem of interference between the action of the cover membrane and the lamination when the cover membrane is moved back and forth.
Disclosure of Invention
The invention aims to solve the technical problem of providing a battery pole piece lamination platform which realizes diaphragm single-power automatic flattening and laminating in lamination aiming at the defects of the prior art.
The technical scheme adopted by the invention is as follows: a battery pole piece lamination platform comprises a lamination bearing assembly and a film pressing assembly, wherein,
the lamination bearing assembly is horizontally arranged and used for providing a lamination bearing plane;
the lamination seat of the lamination bearing assembly moves along the linear direction and moves up and down in the vertical direction;
the film pressing assembly is arranged on the side part of the lamination assembly and is used for horizontally pressing the diaphragm on the lamination seat from the outer side;
the lamination sheets of the lamination assembly automatically press towards the lamination seat along the vertical direction and are far away from the lamination seat along the horizontal direction towards the outer side;
the film pressing assembly drives the film pressing plate to ascend along the vertical direction through a power source and is close to the lamination seat along the horizontal direction.
Preferably, the lamination bearing assembly comprises a lamination linear module, a lamination sliding seat, a lamination lifting cylinder, a lamination lifting support and a lamination seat, wherein the lamination linear module is horizontally arranged; the lamination sliding seat is movably arranged on the lamination linear module and is driven by the lamination linear module to move linearly, and an installation space is arranged inside the lamination sliding seat; the lamination lifting cylinder is vertically arranged in the mounting space of the lamination sliding seat, and the output end of the lamination lifting cylinder upwards penetrates through a top plate of the lamination sliding seat and extends upwards; the lamination lifting support is arranged above the lamination sliding seat in a lifting manner through at least two support rods and is connected with the output end of a lamination lifting cylinder, and the lamination lifting cylinder drives the lamination lifting support to move up and down; the lamination seat is horizontally arranged on the lamination lifting support, and at least two vacuum suction holes are distributed in the lamination seat.
Preferably, the film pressing assembly comprises a film pressing driving part and a film pressing part, wherein the film pressing driving part comprises a film pressing motor, a film pressing transmission box, a first transmission cam and a second transmission cam, the film pressing transmission box is horizontally arranged, and a transmission shaft is arranged in the film pressing transmission box; the film pressing motor is arranged on the side of the film pressing transmission box, and an output shaft is connected with the transmission shaft through a transmission belt and drives the transmission shaft to rotate; the first transmission cams and the second transmission cams are respectively provided with two numbers, the two first transmission cams are respectively sleeved at two ends of the transmission shaft, and the two second transmission cams are respectively sleeved and fixed on the transmission shaft and are positioned at the outer sides of the first transmission cams.
Preferably, the film pressing components comprise two groups, and the two groups of film pressing components are respectively arranged on the side parts of the two second transmission cams; the film pressing component comprises a film pressing bearing part, a film pressing lifting driving part, a film pressing horizontal driving part and a film pressing part.
Preferably, the film pressing bearing piece comprises a film pressing support, a film pressing sliding seat, a spring connecting column and a horizontal spring, wherein the film pressing support is horizontally arranged; the film pressing slide seat is connected to the side wall of the film pressing support in a sliding manner along the horizontal direction; the spring connecting column is vertically arranged on the side wall of the film pressing support; the two ends of the horizontal spring are respectively connected to the spring connecting column and the film pressing sliding seat, and the inside elasticity of the horizontal spring pulls the film pressing sliding seat towards the direction far away from the lamination seat.
Preferably, two connecting blocks are arranged on the side wall of the film pressing support, and a sliding rail is vertically arranged on the side wall of each connecting block; the film pressing slide seat is arranged in a gap space between the two connecting blocks.
Preferably, the film pressing lifting driving piece comprises a film pressing lifting support plate, a first transmission roller and a jacking guide plate, wherein the film pressing lifting support plate is slidably connected to the slide rail of the connecting block; the first transmission roller is rotatably arranged on the side wall of the film pressing lifting support plate, is close to the lower part of the film pressing lifting support plate and is arranged corresponding to the second transmission cam along the vertical direction, and the second transmission cam drives the first transmission roller to move up and down; the jacking guide plate is arranged at the top of the film pressing lifting support plate, a guide strip groove is formed in the jacking guide plate, and the guide strip groove is arranged along the horizontal direction.
Preferably, the film pressing horizontal driving member comprises a transmission swing block, the transmission swing block is of a V-shaped structure and comprises an upper edge part and a lower edge part which are connected with each other along a V-shaped path, and the joint of the upper edge part and the lower edge part is rotatably connected to the side wall of the film pressing sliding seat; the side wall of the lower edge part is rotatably provided with a first transmission roller, the first transmission roller and the first transmission cam are arranged in a vertically corresponding mode, and the first transmission cam stirs a transmission swinging block to rotate around the joint of the first transmission roller and the film pressing sliding seat.
Preferably, press mold horizontal drive spare still includes second transmission gyro wheel, and second transmission gyro wheel rotationally sets up on the lateral wall of press mold slide to be located above-mentioned transmission pendulum piece top and be close to lamination seat one side, the top of transmission pendulum piece is through stirring second transmission gyro wheel drive press mold slide towards lamination seat direction linear motion.
Preferably, the film pressing piece comprises a film pressing supporting block, a vertical spring, a film pressing sheet, a film pressing sliding block, a film pressing connecting seat and a third transmission roller, wherein the film pressing supporting block is vertically arranged at the top of the film pressing sliding seat; the film pressing sliding block is connected to the side wall of the film pressing support block close to the lamination seat in a sliding mode along the vertical direction; the vertical spring is vertically connected to the film pressing supporting block and the film pressing sliding block, and the film pressing sliding block is pulled down by the elasticity of the vertical spring; the film pressing sheet is horizontally connected to the top of the film pressing sliding block and horizontally extends towards the direction of the lamination seat; the film pressing connecting seat is connected to the side wall of the film pressing sliding block; the third transmission roller is rotatably arranged on the side wall of the film pressing connecting seat, extends into the guide strip groove and freely slides in the guide strip groove.
The invention has the beneficial effects that:
aiming at the defects and shortcomings in the prior art, the invention independently develops and designs the battery pole piece lamination platform which realizes diaphragm single-power automatic flattening and laminating in lamination.
The lamination device is developed aiming at the technical requirements and difficult problems of film lamination and lamination by reciprocating film drawing, and integrally comprises a lamination bearing assembly and a film pressing assembly, wherein a lamination seat horizontally arranged on the lamination bearing assembly is a lamination working position, and a plurality of vacuum suction holes are distributed above the lamination seat and are used for bearing diaphragms and pole pieces during lamination. Simultaneously, through the ascending power drive lamination seat elevating movement of lamination lift cylinder output to upward movement to the lamination position carries out the lamination and covers the diaphragm, and the lamination seat passes through the linear motion of lamination straight line module realization in the horizontal plane after the lamination is accomplished, thereby plays the carrying function. Particularly, the side part of the lamination seat is also provided with a film pressing assembly, the film pressing assembly is used for alternately pressing the diaphragm on the lamination seat in the lamination process, and simultaneously, the diaphragm returns to the outer side from the upper part of the lamination seat when the pole pieces are laminated so as to avoid the movement interference with the lamination action; the film pressing assembly integrally presses the diaphragm through the two film pressing sheets at intervals so as to ensure the flatness when the diaphragm is pressed. The motion of the lamination sheet comprises two freedom directions, so that the lamination sheet moves to the upper part of the lamination seat from the outer side along an arc path and descends to press the diaphragm. Specifically, the film pressing assembly integrally comprises a film pressing bearing piece, a film pressing lifting driving piece, a film pressing horizontal driving piece and a film pressing piece. The film pressing component takes a horizontally arranged film pressing support as a bearing structure, a film pressing sliding seat is slidably arranged on the side wall of the film pressing component along the horizontal direction, the film pressing sliding seat is connected with the film pressing support through a horizontal spring, and the film pressing sliding seat is pulled towards the direction far away from the lamination platform by the tensile force of the horizontal spring in a natural state; the side wall of the film pressing sliding seat is rotatably connected with a second transmission roller; in addition, a transmission swing block is rotatably arranged at the lower part of the side wall of the film pressing sliding seat, a first transmission roller is arranged at the lower part of the transmission swing block, and the upper part of the transmission swing block extends to one side of a second transmission roller, which is far away from the lamination platform; when the first transmission cam below rotates, the first transmission roller drives the transmission swing block to rotate, and the film pressing sliding seat is shifted towards the lamination platform by the upper end of the transmission swing block, so that the film pressing sliding seat moves horizontally and linearly along the direction close to the lamination platform. Meanwhile, a film pressing lifting support plate is vertically and slidably connected to the side wall of the film pressing support, a first transmission roller is rotatably connected to the lower portion of the film pressing lifting support plate, a jacking guide plate is arranged at the upper portion of the film pressing lifting plate, a guide strip groove is horizontally formed in the jacking guide plate, and a third transmission roller is slidably embedded in the guide strip groove; when the second transmission cam pushes the film pressing lifting plate to move upwards through the first transmission roller at the lower part of the film pressing lifting support plate, the jacking guide plate drives the film pressing slide block slidably arranged on the side wall of the film pressing support block to drive the film pressing sheet to move upwards through the third transmission roller in the jacking guide plate. Simultaneously, for avoiding pressing mold piece upward movement and horizontal motion mutual interference, when pressing mold slide drove the pressing mold piece that sets up on it and drives pressing mold slider and pressing mold piece horizontal motion, slided in the strip groove of direction through above-mentioned third transmission gyro wheel to the interference problem between two movements has been solved. In addition, still when the last ascending power of vertical side is not received to the press mold slider through vertical spring coupling between above-mentioned press mold slider and the press mold piece, the elasticity of vertical spring can stimulate the press mold slider and descend, makes the automatic diaphragm that compresses tightly of press mold piece.
Drawings
Fig. 1 is a perspective view of a lamination platform according to the present invention.
Fig. 2 is a second schematic perspective view of the lamination platform of the present invention.
Fig. 3 is a third schematic perspective view of the lamination platform of the present invention.
Fig. 4 is a schematic perspective view of a lamination assembly according to the present invention.
Fig. 5 is a schematic perspective view of a second film pressing assembly according to the present invention.
Fig. 6 is a third schematic perspective view of a film pressing assembly according to the present invention.
FIG. 7 is a fourth schematic view of a film pressing assembly according to the present invention.
Fig. 8 is a schematic perspective view of a squeeze film member according to the present invention.
Fig. 9 is a schematic perspective view of a second embodiment of a squeeze film member according to the present invention.
Fig. 10 is a third schematic perspective view of a squeeze film member according to the present invention.
Fig. 11 is a fourth schematic perspective view of a squeeze film member according to the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1 to 11, the technical solution adopted by the present invention is as follows: a battery pole piece lamination platform comprises a lamination bearing assembly and a film pressing assembly, wherein,
the lamination bearing assembly is horizontally arranged and used for providing a lamination bearing plane;
the lamination seat 55 of the lamination carrying assembly moves along a linear direction and moves up and down in a vertical direction;
the lamination assembly is arranged on the side of the lamination assembly and is used for horizontally pressing the diaphragm on the lamination seat 55 from the outer side;
the lamination sheet 523 of the lamination assembly automatically presses toward the lamination seat 55 along the vertical direction and is away from the lamination seat 55 along the horizontal direction to the outside;
the lamination assembly is raised vertically by a power driven lamination plate 523 and horizontally adjacent to the lamination shoe 55.
The lamination bearing assembly comprises a lamination linear module 51, a lamination sliding seat 52, a lamination lifting cylinder 53, a lamination lifting support 54 and a lamination seat 55, wherein the lamination linear module 51 is horizontally arranged; the lamination sliding base 52 is movably arranged on the lamination linear module 51 and is driven by the lamination linear module 51 to move linearly, and an installation space is arranged inside the lamination sliding base 52; the lamination lifting cylinder 53 is vertically arranged in the installation space of the lamination sliding seat 52, and the output end of the lamination lifting cylinder upwards passes through the top plate of the lamination sliding seat 52 and extends upwards; the lamination lifting support 54 is arranged above the lamination sliding seat 52 in a lifting manner through at least two support rods and is connected with the output end of the lamination lifting cylinder 53, and the lamination lifting cylinder 53 drives the lamination lifting support 54 to move up and down; the lamination seat 55 is horizontally arranged on the lamination lifting support 54, and at least two vacuum suction holes are distributed on the lamination seat 55.
The film pressing assembly comprises a film pressing driving part and a film pressing part, wherein the film pressing driving part comprises a film pressing motor 56, a film pressing transmission box 57, a first transmission cam and a second transmission cam 58, the film pressing transmission box 57 is horizontally arranged, and a transmission shaft is arranged in the film pressing transmission box 57; the film pressing motor 56 is arranged on the side of the film pressing transmission box 57, and an output shaft is connected with the transmission shaft through a transmission belt and drives the transmission shaft to rotate; the first transmission cams and the second transmission cams 58 are respectively provided with two numbers, the two first transmission cams are respectively sleeved at two ends of the transmission shaft, and the two second transmission cams 58 are respectively sleeved and fixed on the transmission shaft and are positioned at the outer sides of the first transmission cams.
The film pressing components comprise two groups, and the two groups of film pressing components are respectively arranged on the side parts of the two second transmission cams 58; the film pressing component comprises a film pressing bearing part, a film pressing lifting driving part, a film pressing horizontal driving part and a film pressing part.
The film pressing carrier comprises a film pressing support 515, a film pressing sliding seat 514, a spring connecting column 516 and a horizontal spring 517, wherein the film pressing support 515 is horizontally arranged; the film pressing slide seat 514 is connected to the side wall of the film pressing support 515 in a sliding manner along the horizontal direction; the spring connecting column 516 is vertically arranged on the side wall of the film pressing support 515; the two ends of the horizontal spring 517 are respectively connected to the spring connecting column 516 and the film pressing sliding seat 514, and the internal elastic force of the horizontal spring 517 pulls the film pressing sliding seat 514 in the direction away from the lamination seat.
Two connecting blocks are arranged on the side wall of the film pressing support 515, and a sliding rail is vertically arranged on the side wall of each connecting block; the film pressing slide 514 is disposed in the gap space between the two connecting blocks.
The film pressing lifting driving part comprises a film pressing lifting support plate 59, a first driving roller 510 and a jacking guide plate 511, wherein the film pressing lifting support plate 59 is slidably connected to the slide rail of the connecting block; the first transmission roller 510 is rotatably arranged on the side wall of the film pressing lifting support plate 59, is close to the lower part of the film pressing lifting support plate 59, and is arranged corresponding to the second transmission cam 58 along the vertical direction, and the second transmission cam 58 shifts the first transmission roller 510 to move up and down; the jacking guide plate 511 is arranged at the top of the film pressing lifting support plate 59, a guide strip groove A is formed in the jacking guide plate 511, and the guide strip groove A is arranged in the horizontal direction.
The film pressing horizontal driving member comprises a transmission swing block 512, the transmission swing block 512 is of a V-shaped structure and comprises an upper edge part and a lower edge part which are mutually connected along a V-shaped path, and the joint of the upper edge part and the lower edge part is rotatably connected to the side wall of the film pressing sliding seat 514; the sidewall of the lower edge is rotatably provided with a first transmission roller 510, the first transmission roller 510 and the first transmission cam are vertically arranged correspondingly, and the first transmission cam drives the transmission swing block 512 to rotate around the connection with the film pressing slide seat 514 through the first transmission roller 510.
The film pressing horizontal driving member further comprises a second driving roller 513, the second driving roller 513 is rotatably arranged on the side wall of the film pressing sliding seat 514 and is located on one side, close to the lamination seat 55, of the upper edge of the driving swing block 512, and the upper edge of the driving swing block 512 drives the film pressing sliding seat 514 to linearly move towards the lamination seat 55 by shifting the second driving roller 513.
The film pressing piece comprises a film pressing support block 521, a vertical spring 522, a film pressing sheet 523, a film pressing slider 520, a film pressing connecting seat 518 and a third transmission roller 519, wherein the film pressing support block 521 is vertically arranged at the top of the film pressing sliding seat 514; the film pressing slide block 520 is slidably connected to the sidewall of the film pressing support block 521 close to the lamination seat 55 along the vertical direction; the vertical spring 522 is vertically connected to the film pressing supporting block 521 and the film pressing slider 520, and the film pressing slider 520 is pulled down by the elasticity of the vertical spring 522; the lamination sheet 523 is horizontally connected to the top of the lamination slider 520 and horizontally extends toward the lamination seat 55; the film pressing connecting seat 518 is connected to the side wall of the film pressing slider 520; the third driving roller 519 is rotatably disposed on the sidewall of the film pressing connecting seat 518, and extends into the guide groove a, and slides freely in the guide groove a.
Furthermore, the invention designs a battery pole piece lamination platform which realizes diaphragm single-power automatic flattening and laminating in lamination.
The lamination device is developed aiming at the technical requirements and difficult problems of film lamination and lamination by reciprocating film drawing, and integrally comprises a lamination bearing assembly and a film pressing assembly, wherein a lamination seat horizontally arranged on the lamination bearing assembly is a lamination working position, and a plurality of vacuum suction holes are distributed above the lamination seat and are used for bearing diaphragms and pole pieces during lamination. Simultaneously, through the ascending power drive lamination seat elevating movement of lamination lift cylinder output to upward movement to the lamination position carries out the lamination and covers the diaphragm, and the lamination seat passes through the linear motion of lamination straight line module realization in the horizontal plane after the lamination is accomplished, thereby plays the carrying function. Particularly, the side part of the lamination seat is also provided with a film pressing assembly, the film pressing assembly is used for alternately pressing the diaphragm on the lamination seat in the lamination process, and simultaneously, the diaphragm returns to the outer side from the upper part of the lamination seat when the pole pieces are laminated so as to avoid the movement interference with the lamination action; the film pressing assembly integrally presses the diaphragm through the two film pressing sheets at intervals so as to ensure the flatness when the diaphragm is pressed. The motion of the lamination sheet comprises two freedom directions, so that the lamination sheet moves to the upper part of the lamination seat from the outer side along an arc path and descends to press the diaphragm. Specifically, the film pressing assembly integrally comprises a film pressing bearing piece, a film pressing lifting driving piece, a film pressing horizontal driving piece and a film pressing piece. The film pressing component takes a horizontally arranged film pressing support as a bearing structure, a film pressing sliding seat is slidably arranged on the side wall of the film pressing component along the horizontal direction, the film pressing sliding seat is connected with the film pressing support through a horizontal spring, and the film pressing sliding seat is pulled towards the direction far away from the lamination platform by the tensile force of the horizontal spring in a natural state; the side wall of the film pressing sliding seat is rotatably connected with a second transmission roller; in addition, a transmission swing block is rotatably arranged at the lower part of the side wall of the film pressing sliding seat, a first transmission roller is arranged at the lower part of the transmission swing block, and the upper part of the transmission swing block extends to one side of a second transmission roller, which is far away from the lamination platform; when the first transmission cam below rotates, the first transmission roller drives the transmission swing block to rotate, and the film pressing sliding seat is shifted towards the lamination platform by the upper end of the transmission swing block, so that the film pressing sliding seat moves horizontally and linearly along the direction close to the lamination platform. Meanwhile, a film pressing lifting support plate is vertically and slidably connected to the side wall of the film pressing support, a first transmission roller is rotatably connected to the lower portion of the film pressing lifting support plate, a jacking guide plate is arranged at the upper portion of the film pressing lifting plate, a guide strip groove is horizontally formed in the jacking guide plate, and a third transmission roller is slidably embedded in the guide strip groove; when the second transmission cam pushes the film pressing lifting plate to move upwards through the first transmission roller at the lower part of the film pressing lifting support plate, the jacking guide plate drives the film pressing slide block slidably arranged on the side wall of the film pressing support block to drive the film pressing sheet to move upwards through the third transmission roller in the jacking guide plate. Simultaneously, for avoiding pressing mold piece upward movement and horizontal motion mutual interference, when pressing mold slide drove the pressing mold piece that sets up on it and drives pressing mold slider and pressing mold piece horizontal motion, slided in the strip groove of direction through above-mentioned third transmission gyro wheel to the interference problem between two movements has been solved. In addition, still when the last ascending power of vertical side is not received to the press mold slider through vertical spring coupling between above-mentioned press mold slider and the press mold piece, the elasticity of vertical spring can stimulate the press mold slider and descend, makes the automatic diaphragm that compresses tightly of press mold piece.
The embodiments of the present invention are merely illustrative of specific embodiments thereof, and are not intended to limit the scope thereof. Since the present invention can be modified by a person skilled in the art, the present invention is not limited to the embodiments described above.
Claims (10)
1. The utility model provides a battery pole piece lamination platform which characterized in that: comprises a laminated bearing assembly and a film pressing assembly, wherein,
the lamination bearing assembly is horizontally arranged and used for providing a lamination bearing plane;
the lamination seat (55) of the lamination bearing assembly moves along the linear direction and moves up and down in the vertical direction;
the film pressing assembly is arranged on the side part of the lamination assembly and is used for horizontally pressing the diaphragm on the lamination seat (55) from the outer side;
the lamination sheets (523) of the lamination assembly automatically press to the lamination seat (55) along the vertical direction and are far away from the lamination seat (55) along the horizontal direction to the outside;
the film pressing assembly drives the film pressing sheet (523) to ascend along the vertical direction through a power and is close to the lamination seat (55) along the horizontal direction.
2. The battery pole piece lamination platform of claim 1, wherein: the lamination bearing assembly comprises a lamination linear module (51), a lamination sliding seat (52), a lamination lifting cylinder (53), a lamination lifting support seat (54) and a lamination seat (55), wherein the lamination linear module (51) is horizontally arranged; the lamination sliding seat (52) is movably arranged on the lamination linear module (51) and is driven by the lamination linear module (51) to move linearly, and an installation space is arranged inside the lamination sliding seat (52); the lamination lifting cylinder (53) is vertically arranged in the installation space of the lamination sliding seat (52), and the output end of the lamination lifting cylinder upwards penetrates through the top plate of the lamination sliding seat (52) and upwards extends; the lamination lifting support (54) is arranged above the lamination sliding seat (52) in a lifting manner through at least two support rods and is connected with the output end of a lamination lifting cylinder (53), and the lamination lifting cylinder (53) drives the lamination lifting support (54) to move up and down; the lamination seat (55) is horizontally arranged on the lamination lifting support (54), and at least two vacuum suction holes are distributed on the lamination seat (55).
3. The battery pole piece lamination platform of claim 1, wherein: the film pressing assembly comprises a film pressing driving part and a film pressing part, wherein the film pressing driving part comprises a film pressing motor (56), a film pressing transmission box (57), a first transmission cam and a second transmission cam (58), the film pressing transmission box (57) is horizontally arranged, and a transmission shaft is arranged in the film pressing transmission box (57); the film pressing motor (56) is arranged on the side of the film pressing transmission box (57), and an output shaft is connected with the transmission shaft through a transmission belt and drives the transmission shaft to rotate; the first transmission cam and the second transmission cam (58) are respectively provided with two numbers, the two first transmission cams are respectively sleeved at two ends of the transmission shaft, and the two second transmission cams (58) are respectively sleeved and fixed on the transmission shaft and are positioned at the outer side of the first transmission cams.
4. The battery pole piece lamination platform of claim 3, wherein: the film pressing components comprise two groups, and the two groups of film pressing components are respectively arranged on the side parts of the two second transmission cams (58); the film pressing component comprises a film pressing bearing part, a film pressing lifting driving part, a film pressing horizontal driving part and a film pressing part.
5. The battery pole piece lamination platform of claim 4, wherein: the film pressing carrier comprises a film pressing support (515), a film pressing sliding seat (514), a spring connecting column (516) and a horizontal spring (517), wherein the film pressing support (515) is horizontally arranged; the film pressing slide seat (514) is connected to the side wall of the film pressing support seat (515) in a sliding manner along the horizontal direction; the spring connecting column (516) is vertically arranged on the side wall of the film pressing support (515); the two ends of the horizontal spring (517) are respectively connected to the spring connecting column (516) and the film pressing sliding seat (514), and the elastic force in the horizontal spring (517) pulls the film pressing sliding seat (514) in the direction away from the lamination seat.
6. The battery pole piece lamination platform of claim 5, wherein: the side wall of the film pressing support (515) is provided with two connecting blocks, and the side wall of each connecting block is vertically provided with a sliding rail; the film pressing sliding seat (514) is arranged in a gap space between the two connecting blocks.
7. The battery pole piece lamination platform of claim 6, wherein: the film pressing lifting driving piece comprises a film pressing lifting support plate (59), a first transmission roller (510) and a jacking guide plate (511), wherein the film pressing lifting support plate (59) is slidably connected to the slide rail of the connecting block; the first transmission roller (510) is rotatably arranged on the side wall of the film pressing lifting support plate (59), is close to the lower part of the film pressing lifting support plate (59), and is arranged corresponding to the second transmission cam (58) along the vertical direction, and the second transmission cam (58) shifts the first transmission roller (510) to move up and down; the jacking guide plate (511) is arranged at the top of the film pressing lifting support plate (59), a guide strip groove (A) is formed in the jacking guide plate (511), and the guide strip groove (A) is arranged in the horizontal direction.
8. The battery pole piece lamination platform of claim 5, wherein: the film pressing horizontal driving piece comprises a transmission swing block (512), the transmission swing block (512) is of a V-shaped structure and comprises an upper edge part and a lower edge part which are mutually connected along a V-shaped path, and the joint of the upper edge part and the lower edge part is rotatably connected to the side wall of the film pressing sliding seat (514); the side wall of the lower edge part is rotatably provided with a first transmission roller (510), the first transmission roller (510) and the first transmission cam are arranged up and down correspondingly, and the first transmission cam pulls a transmission swinging block (512) to rotate around the joint of the film pressing sliding seat (514) through the first transmission roller (510).
9. The battery pole piece lamination platform of claim 8, wherein: the film pressing horizontal driving piece further comprises a second transmission roller (513), the second transmission roller (513) is rotatably arranged on the side wall of the film pressing sliding seat (514) and is located on the side, close to one side of the lamination seat (55), of the upper side of the transmission swinging block (512), and the upper side of the transmission swinging block (512) drives the film pressing sliding seat (514) to move linearly towards the direction of the lamination seat (55) by shifting the second transmission roller (513).
10. The battery pole piece lamination platform of claim 7, wherein: the film pressing piece comprises a film pressing supporting block (521), a vertical spring (522), a film pressing sheet (523), a film pressing sliding block (520), a film pressing connecting seat (518) and a third transmission roller (519), wherein the film pressing supporting block (521) is vertically arranged at the top of the film pressing sliding seat (514); the film pressing sliding block (520) is connected to the side wall, close to the lamination seat (55), of the film pressing supporting block (521) in a sliding mode along the vertical direction; the vertical spring (522) is vertically connected to the film pressing supporting block (521) and the film pressing sliding block (520), and the film pressing sliding block (520) is pulled down by the elasticity of the vertical spring (522); the film pressing sheet (523) is horizontally connected to the top of the film pressing slide block (520) and horizontally extends towards the lamination seat (55); the film pressing connecting seat (518) is connected to the side wall of the film pressing sliding block (520); the third transmission roller (519) is rotatably arranged on the side wall of the film pressing connecting seat (518), extends into the guide strip groove (A) and freely slides in the guide strip groove (A).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210129962.1A CN114171803A (en) | 2022-02-11 | 2022-02-11 | Battery pole piece lamination platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210129962.1A CN114171803A (en) | 2022-02-11 | 2022-02-11 | Battery pole piece lamination platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114171803A true CN114171803A (en) | 2022-03-11 |
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ID=80489839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210129962.1A Pending CN114171803A (en) | 2022-02-11 | 2022-02-11 | Battery pole piece lamination platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114171803A (en) |
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| CN117207642A (en) * | 2023-10-25 | 2023-12-12 | 浙江德龙科技有限公司 | Improved lamination machine for lamination film lamination |
| CN117276633A (en) * | 2023-11-23 | 2023-12-22 | 江苏烽禾升智能科技有限公司 | Film covering mechanism for ultra-high speed lamination machine |
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| CN117276633B (en) * | 2023-11-23 | 2024-02-27 | 江苏烽禾升智能科技有限公司 | Film covering mechanism for ultra-high speed lamination machine |
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