CN114024041B - Platform circulation supply type lamination production line and circulation lamination process thereof - Google Patents

Platform circulation supply type lamination production line and circulation lamination process thereof Download PDF

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Publication number
CN114024041B
CN114024041B CN202210000729.3A CN202210000729A CN114024041B CN 114024041 B CN114024041 B CN 114024041B CN 202210000729 A CN202210000729 A CN 202210000729A CN 114024041 B CN114024041 B CN 114024041B
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lamination
platform
pole piece
pressing
blanking
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CN114024041A (en
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唐延弟
周贤文
宾兴
刘成
徐骏
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Shenzhen Sinvo Automatic Co Ltd
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Shenzhen Sinvo Automatic Co Ltd
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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
    • 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
    • H01M10/04—Construction or manufacture in general
    • H01M10/0404—Machines for assembling batteries
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Secondary Cells (AREA)

Abstract

The invention discloses a platform circulation supply type lamination production line and a circulation lamination process thereof, and the production line comprises a lamination mechanism, a lamination platform, a driving mechanism, a lifting mechanism, a slide rail and a rubber coating blanking mechanism, wherein the slide rail comprises an upper slide rail and a lower slide rail which are arranged in parallel at intervals along the vertical direction, lifting stations are respectively arranged on two sides of the upper slide rail and two sides of the lower slide rail, the upper slide rail is provided with a lamination station, and one end of the lower slide rail is provided with a blanking station; the lamination platform is slidably arranged on the slide rail; the two sets of lifting mechanisms are respectively arranged at the lifting stations at the two sides; the driving mechanism is arranged at the lamination station, and the lamination mechanism is arranged above the lamination station; the rubber coating unloading mechanism sets up in the unloading station outside. The lamination platform circularly moves along the rectangular path, thereby excellently improving the whole line productivity, ensuring the stability of the carrying position of the pole piece group, realizing automatic film pressing and avoiding interference with pole piece lamination, realizing automatic rubber coating, maintaining continuous rubber coating and effectively ensuring the rubber coating quality.

Description

Platform circulation supply type lamination production line and circulation lamination process thereof
Technical Field
The invention relates to the field of automation equipment, in particular to a platform circulation supply type lamination production line and a circulation lamination process thereof in the field of automatic production equipment of lithium ion power batteries.
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. During the charge and discharge process, lithium ions are intercalated and deintercalated between the two electrodes: when the battery is charged, lithium ions are extracted from the positive electrode and are inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true during discharge. Batteries using a material containing lithium as an electrode are typical of modern high-performance batteries.
The electric core of the lithium ion battery is generally formed by overlapping positive and negative pole pieces in a staggered manner, and the positive and negative pole pieces of a single chip are firstly manufactured in the manufacturing process of the electric core. And then, overlapping the positive and negative pole pieces on the lamination platform in a staggered manner to form the battery core, wherein a diaphragm with an insulating and isolating function is required to be inserted between the positive and negative pole pieces in the staggered lamination process of the positive and negative pole pieces. In the actual lamination process of the pole piece lamination, a layer of pole piece is generally laminated on a lamination platform, then a diaphragm is covered on the pole piece, and the lamination is continuously and alternately circulated until the lamination of the battery cell is completed. In the actual lamination process, after the pole pieces are stacked, generally pulling a strip-shaped diaphragm to one side of a lamination platform from the upper part of the pole piece through a film pulling mechanism, so that the strip-shaped diaphragm covers the surface of the pole piece, then placing the pole piece with another attribute on the diaphragm, then horizontally pulling the strip-shaped diaphragm to the other side of the lamination platform, so that the diaphragm covers the surface of the pole piece with the other attribute, and repeating the steps, wherein the diaphragm is pulled back and forth between the two sides of the lamination platform to cover the surface of the pole piece until a required battery core pole piece group is formed, and then cutting off the diaphragm strip.
Based on the above lamination process background, the following technical problems need to be solved in the lamination automatic production line integrated design process: 1. in the lamination process, the strip-shaped diaphragm needs to be pulled back and forth so as to be alternately covered on the surfaces of pole pieces with different attributes, so that the diaphragm needs to have a film pressing function when being pulled out of the film from two sides of the lamination platform, for example, the left-side film-covered layer needs to be compressed after the diaphragm strip is pulled from the right side of the platform to the left side of the platform and before the film is pulled from the left side, and similarly, the right-side film-covered layer needs to be compressed in the process from the right side film-covered layer to the left side; therefore, the problem of automatic diaphragm pressing on two sides of the lamination platform in the diaphragm laminating process needs to be solved, the problem of motion interference between the pressed film and the positive and negative pole piece laminations needs to be solved, and the pressed film is prevented from influencing the positive and negative pole piece laminations. 2. The traditional lamination platform adopts a fixed structure, namely, after a lamination mechanism and a film covering mechanism form a pole piece group on the lamination platform, the pole piece group is taken out to carry out lamination and fixation of the pole piece group, and the material waiting time exists during the lamination and the encapsulation, and if the encapsulation process needs to be carried out after the lamination is formed into the pole piece group, the production capacity is influenced; therefore, the problem of reducing the waiting time needs to be solved in the whole-line automatic design process of the battery cell. 3. In the process of loading the lamination and carrying the electrode plate group with the lamination platform as a carrier, the problems of automatic positioning and lifting of the lamination platform are required to be solved at a lamination station, and meanwhile, the positive and negative electrode plates and the diaphragm which are overlapped up and down on the lamination platform are overlapped together to form the electrode plate group only by self gravity, so that the positive and negative electrode plates and the diaphragm in the overlapped electrode plate group are easy to shift, and the problem of fixing the position of the lamination platform to the electrode plate group is required to be solved in the process of carrying the electrode plate group. 4. In addition, when the lamination platform switches between the two processes of fixing the pole piece group and laminating, the problem of motion interference generated between the pole piece group fixing mechanism and the lamination needs to be solved, and the pole piece group fixing mechanism needs to be ensured not to influence the lamination action. 5. As described above, the positive and negative pole pieces and diaphragms in the pole piece group are easily subjected to position dislocation, so that the pole piece group after the pole pieces on the lamination platform are laminated needs to be encapsulated and fixed, and the positions of the pole pieces and diaphragms in the pole piece group are fixed by coating adhesive tapes outside the pole piece group so as to facilitate subsequent processing; therefore, the problem of automatic encapsulation of the pole piece group is needed to be solved, and meanwhile, the problem that the positions of each pole piece and a diaphragm in the pole piece group are easy to be dislocated is also needed to be solved in the encapsulation process.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a lamination platform which circularly moves along a rectangular path to realize automatic bearing of the lamination and carrying of the pole piece group, effectively reduce the waiting time, excellently improve the whole line productivity, have the self-pressing function, ensure the stability of the carrying position of the pole piece group, and has the functions of automatic jacking, cutting and rotating to avoid interference, effectively ensures the automatic carrying connection of the lamination and the pole piece group, and automatic film pressing and avoiding interference with pole piece lamination are realized through film pressing in two freedom directions at the outer side and the upper side, automatic connection of the film pressing and the lamination is effectively ensured, and the platform circulation supply type lamination production line and the circulation lamination process thereof can realize automatic lamination and maintain continuous lamination at the same time by utilizing the cooperation of gravity self-pressing glue and rotary lamination of the pole piece group, thereby effectively ensuring the lamination quality.
The technical scheme adopted by the invention is as follows: a platform circulation supply type lamination production line comprises a lamination mechanism, a lamination platform, a driving mechanism, a lifting mechanism, a slide rail and a rubber coating blanking mechanism, wherein the slide rail comprises an upper slide rail and a lower slide rail which are arranged in parallel at intervals along the vertical direction, the positions of the upper slide rail, which correspond to the two sides of the lower slide rail, from top to bottom are respectively provided with a lifting station, the upper slide rail is provided with a lamination station, and one end of the lower slide rail is provided with a blanking station; the lamination platform is slidably arranged on the slide rail and is driven by the conveyor belt at the side part of the slide rail to move linearly; the lifting mechanisms comprise two sets of lifting mechanisms which are respectively arranged at the lifting stations at the two sides, and the lifting mechanisms receive the lamination platforms and drive the lamination platforms to transfer between the upper slide rail and the lower slide rail; the driving mechanism is arranged at the lamination station, the lamination mechanism is arranged above the lamination station, the driving mechanism positions and jacks the lamination platform, the lamination of the lamination platform is opened, and the diaphragm is pressed in the lamination process; the rubber coating blanking mechanism is arranged on the outer side of the blanking station, the lamination platform transfers the pole piece group to the blanking station, and the rubber coating blanking mechanism wraps the rubber paper outside the pole piece group and carries out blanking.
Preferably, the lamination platform comprises a platform support, a lamination support plate and a pressing assembly, wherein the platform support is horizontally arranged, two sides of the bottom of the platform support vertically extend downwards and are provided with a platform sliding seat, and the platform sliding seat is slidably connected to the sliding rail; the lamination support plate is horizontally arranged above the platform support, and the positive plate, the diaphragm and the negative plate are alternately stacked on the lamination support plate until a plate group is formed; the bottom of the laminated support plate is vertically connected with at least two guide posts which are slidably inserted on the platform support; the pressing assemblies are arranged on the left side and the right side of the platform support respectively, and the pressing assemblies compress the pole piece groups on the lamination support plate from the outer side.
Preferably, the driving mechanism comprises a driving support plate, a jacking assembly, a cutting assembly and a film pressing assembly, wherein the driving support plate is horizontally arranged, unit slide rails are arranged on the left side and the right side of the driving support plate at intervals in parallel, the unit slide rails are butted with the slide rails, and a linear slide seat at the bottom of the platform support is slidably embedded on the unit slide rails; the jacking assembly is arranged below the driving support plate and vertically penetrates through the driving support plate upwards, outputs upward power to the laminated support plate and drives the laminated support plate to move up and down; the cutting assemblies are respectively arranged at the left side and the right side of the driving support plate and are vertically arranged corresponding to the pressing assemblies, and the cutting assemblies output upward power to the pressing assemblies so that the pressing assemblies move upward to loosen the materials; the film pressing assemblies comprise two groups, the two groups of film pressing assemblies are arranged on the left side and the right side of the driving support plate respectively, and the film pressing assemblies compress the diaphragms on the lamination support plate from the outer side and the upper side.
Preferably, the lifting mechanism comprises a lifting support, a lifting motor and a lifting slide seat, wherein the lifting support is vertically arranged, a screw rod is vertically arranged in the middle of the lifting support, two ends of the screw rod are respectively and rotatably connected to a bottom plate and a top plate of the lifting support, and two linear slide rails are vertically arranged on one side wall of the lifting support; the lifting motor is arranged on a bottom plate of the lifting support, and an output shaft is connected with the screw rod through a transmission belt; the lifting slide seat is connected to the linear slide rail in a sliding mode, the side portion of the lifting slide seat is in threaded connection with the screw rod through the screw rod seat, the lifting motor drives the screw rod to rotate, and the screw rod drives the lifting support to move up and down through the screw rod seat.
Preferably, the rubber coating and blanking mechanism comprises a rubber guiding and pressing component, a rubber coating component and a blanking component, wherein the blanking component is arranged on the side of the blanking station along the linear direction; the rubber coating assemblies are arranged between the blanking station and the blanking assembly along the direction vertical to the sliding rail, the rubber coating assemblies comprise two groups which are respectively symmetrically arranged along the direction of the sliding rail, and the two groups of rubber coating assemblies clamp the pole piece groups from two sides and drive the pole piece groups to rotate; the glue guiding and pressing assembly is erected above the glue coating assembly, the adhesive tape penetrates through the glue guiding and pressing assembly, is tensioned and pressed on the surface of the pole piece group, and presses the adhesive tape tightly and presses the adhesive tape along the outer contour of the pole piece group along with the rotary motion of the pole piece group; the blanking assembly clamps the encapsulated pole piece group and performs blanking.
A cyclic lamination process of a platform cyclic supply type lamination production line comprises the following process steps:
s1, empty platform supply: after the pole piece group which is laminated on the laminating platform is taken out at the blanking station, the empty laminating platform moves to a lifting mechanism along a lower slide rail, the lifting mechanism transfers the laminating platform to an upper slide rail, and the laminating platform moves to the laminating station along the upper slide rail;
s2, positioning and jacking the platform: the lamination platform in the step S1 provides upward power through a platform support of the lamination platform at the lamination station through a driving mechanism to position the lamination platform, and a lamination support plate above the platform support is upwards jacked to be close to the lamination mechanism;
s3, lamination: after the lamination platform is jacked in place in the step S2, the positive and negative pole pieces are overlapped on the lamination platform in a staggered manner by the lamination mechanism, and diaphragms are inserted and covered between the positive and negative pole pieces;
s4, platform blanking: after the pole pieces on the lamination platform are laminated in the step S3, a pole piece group is formed, the driving mechanism retracts downwards, the lamination support plate descends, the lamination platform moves linearly to a descending station on the upper slide rail, is transferred to the lower slide rail through the lifting mechanism, and moves linearly to a blanking station along the lower slide rail;
s5, material clamping and rubber coating: after the lamination platform in the step S4 moves to the blanking station, the lamination platform releases the pole piece group, the encapsulation component of the encapsulation blanking mechanism clamps the pole piece group, and the empty lamination platform retracts in the step S1; after the rubber guiding and pressing assembly of the rubber coating blanking mechanism guides the rubber belt out and presses and covers the pole piece group, the rubber coating assembly drives the pole piece group to rotate so that the rubber belt is coated on the surface of the pole piece group;
s6, cutting the adhesive tape: after the pole piece group adhesive tape is coated in the step S5, cutting the adhesive tape by a cutter;
s7, blanking of the pole piece group: and (4) clamping the pole piece group subjected to the encapsulation in step S6 by a blanking assembly of the encapsulation blanking mechanism, loosening the pole piece group by the encapsulation assembly, and moving and blanking the pole piece group by the blanking mechanism.
Preferably, in the step S3, during lamination, the diaphragm tapes inserted between the positive and negative electrode plates are pressed from the outside and above by two sets of film pressing assemblies of the driving mechanism disposed at the lamination station.
Preferably, when the lamination is performed in step S3, the pressing assembly of the lamination platform is lifted upwards by the cutting assembly of the driving mechanism and rotated to the outer side of the lamination platform, so as to perform lamination; when the lamination platform drives the electrode plate group to be discharged in the step S4, the material cutting assembly drives the material pressing assembly to rotate and return to the position above the lamination platform, upward jacking force is released, and the material pressing assembly automatically compresses the electrode plate group under the action of internal elastic force.
Preferably, when the pole piece group is clamped by the glue-coating component in the step S5 to rotate, the glue-guiding and pressing component presses the adhesive tape onto the surface of the pole piece group under the action of gravity, and the reaction force of rotation of the pole piece group overcomes the action of gravity to push the glue-guiding and pressing component to rise, so that the pole piece group keeps in a glue-pressing state in the rotating process.
The invention has the advantages of
The invention carries out independent research and development aiming at the technical problems in the process of manufacturing the battery cell, designs the lamination platform to circularly move along the rectangular path, realizes automatic bearing lamination and pole piece group carrying, effectively reduces the waiting time, excellently improves the whole line productivity, has the function of self-pressing, ensures the carrying position stability of the pole piece group, and has the functions of automatic jacking, cutting and rotating to avoid interference, effectively ensures the automatic carrying connection of the lamination and the pole piece group, and automatic film pressing and avoiding interference with pole piece lamination are realized through film pressing in two freedom directions at the outer side and the upper side, automatic connection of the film pressing and the lamination is effectively ensured, and the platform circulation supply type lamination production line and the circulation lamination process thereof can realize automatic lamination and maintain continuous lamination at the same time by utilizing the cooperation of gravity self-pressing glue and rotary lamination of the pole piece group, thereby effectively ensuring the lamination quality.
Aiming at the integration requirement of the automatic production line of the battery core, the invention creatively takes the lamination platform as a lamination bearing and pole piece group carrying structure at the same time, adopts an upper slide rail and a lower slide rail which are arranged at intervals up and down to form a movement path of the lamination platform, and two sides of the upper slide rail and the lower slide rail are respectively provided with a lifting mechanism to form a rectangular movement path, wherein, the upper slide rail realizes the supply of an empty platform, the lower slide rail carries the blanking of a full platform of the pole piece group after lamination, a lamination station is arranged on the upper slide rail, a blanking station is arranged at the end of the lower slide rail extending outwards, a plurality of lamination platforms flow between the lamination station and the blanking station to realize platform circulation supply, after the full platform is moved away after lamination, the next empty platform is connected to enter the lamination station for lamination, so that the material waiting time between lamination and blanking is effectively reduced, and the whole-line productivity is greatly improved while the whole-line automation degree is improved.
Aiming at the conditions of the automatic cyclic supply process requirement of the lamination platform and the high position stability requirement of the pole piece group in the carrying process, the invention integrates and designs the material pressing assemblies in the lamination platform, wherein the material pressing assemblies comprise two groups which are respectively arranged at the left side and the right side of the lamination support plate, and the material pressing assemblies are used for pressing the pole piece group which is laminated on the lamination platform from two sides, so that the position stability of the pole piece group is ensured in the pole piece group carrying process of the lamination platform, and the pole pieces and the diaphragms in the lamination platform are not staggered. Meanwhile, the lamination platform has a main function of serving as a bearing part during lamination besides carrying the pole piece group, so that the pressing assembly needs to avoid interference with the action of the lamination on the premise of ensuring the compression of the pole piece group. The material pressing component takes material pressing supports arranged on two side walls of a platform support as carriers, spring columns are vertically inserted into the material pressing supports, two ends of each spring column respectively extend to the upper side and the lower side of each material pressing support and are movably connected with the material pressing supports, material pressing sheets are horizontally connected to the tops of the spring columns, the lower portions of the spring columns are inserted into material pressing sliding seats, and the material pressing sliding seats are slidably connected to the side walls of the platform support along the vertical direction; in a natural state, the elastic force generated by the elastic force sleeved outside the spring column pushes the material pressing slide seat downwards, so that the spring column of the material pressing slide seat belt descends, and the material pressing sheet of the spring column belt presses the pole piece group downwards; when the lamination platform moves to the lamination station for lamination, a cutting assembly of a driving mechanism arranged at the lamination station firstly drives the spring column to rotate, so that the pressing sheet rotates to the outer side from the upper part of the lamination platform, and the problem of interference of lamination is solved; in addition, when the pole piece group is blanked, the blanking assembly outputs upward power to the pressing assembly, so that the pressing piece of the spring column belt moves upward, the pole piece group is loosened, and the pole piece group is taken out conveniently.
Aiming at the problems of positioning and lifting the lamination at the lamination station of the lamination platform, the invention drives the material pressing sheet to rotate and rise so as to avoid the problems of lamination interference and electrode sheet group blanking, and alternately presses the diaphragm process requirement during lamination. The driving mechanism is fixedly arranged at the lamination platform and does not move along with the lamination platform, and meanwhile, the unit slide rail inside the driving mechanism is in butt joint with the upper slide rail so that the lamination platform can slide in. The driving mechanism uses the driving support plate as a bearing structure and integrally comprises a jacking assembly, a cutting assembly and a film pressing assembly.
The jacking assembly is arranged below the driving support plate, the jacking cylinder is used as a power mechanism and outputs upward power to the jacking column, the jacking column penetrates through the driving support plate and a platform support of the lamination platform to jack a vacuum suction plate which is arranged above the platform support and used for bearing the lamination upwards to the position below the lamination mechanism, so that the lamination mechanism can conveniently overlap positive and negative pole pieces onto the vacuum suction plate, the vacuum suction plate is jacked upwards, and the platform support is guided and limited by the jacking column at the same time, so that the integral automatic positioning of the lamination platform is realized. The material cutting assemblies comprise two groups, and the material pressing assemblies of the two groups of material cutting assemblies which vertically correspond to the lamination platforms are arranged on the left side and the right side of the driving support plate.
Based on the requirements of pole piece pressing and pole piece loosening blanking and lamination interference avoidance required by the material pressing assembly, the material cutting assembly simultaneously outputs upward power to the material pressing assembly of the lamination platform for loosening the pole piece, and is also integrated with the function of outputting rotary power in a horizontal plane; specifically, from the perspective of space utilization, a cutting motor arranged at the bottom of a driving support plate is used as an upward power output part, the rotary power of the cutting motor is converted into upward linear power through a driving cam and a cutting driving wheel, a cutting support vertically penetrating and arranged on the driving support plate is driven to move up and down, the cutting support drives a rotary motor vertically arranged at the bottom of the cutting support to move up and down, an output shaft of the rotary motor is vertically connected with a cutting rod, the rotary motor and the cutting rod of the cutting support belt are jacked up upwards, the rotary motor also drives the cutting rod to move rotationally, so that the cutting rod connected with a spring column of a material pressing assembly at the top end jacks up the spring column to loosen a pole piece group, and meanwhile, the spring column of the cutting rod and a material pressing piece on the spring column are also jacked to move rotationally, so that the material pressing piece rotates to a position above a lamination platform to press the pole piece group or when lamination is carried out, the horizontal rotation is to the lamination platform outside, avoids the motion interference during the lamination.
The film pressing assemblies comprise two groups which are respectively arranged on the left side and the right side above the driving support plate, and when the two groups of film pressing assemblies are stacked, the diaphragms are pressed from the two sides of the diaphragms after the diaphragms cover the surfaces of the pole pieces. Because the film pressing is carried out alternately in the lamination process, the film pressing is ensured to avoid the motion interference with the lamination pole piece in real time, in order to realize the real-time avoidance of the motion interference while pressing the diaphragm, the film pressing assembly realizes film pressing from two freedom directions of the outer side and the upper side, the film pressing assembly moves to the upper part of the diaphragm from the outer side of a lamination platform in an arc path from the view of the motion trail to press the diaphragm so as to realize the driving of the two freedom directions, the film pressing assembly is realized by only one power output, specifically, the film pressing assembly takes a film pressing support plate vertically arranged on a driving support plate as a bearing structure, a film pressing motor is arranged on one side of the lower part of the film pressing support plate as a power output part, a film pressing support is arranged at the top of the film pressing support plate, the power of the film pressing motor is output to a transmission shaft inserted in the film pressing support through transmission, and two ends of the transmission shaft respectively form two power output fulcrums, the two output fulcrums output synchronously to form a synchronous movement double-side film pressing mode, so that the stability during film pressing can be better ensured compared with single-side film pressing, and the influence on the surface flatness of the diaphragm is reduced; for unilateral film pressing, a first cam and a second cam which are arranged on a transmission shaft at intervals are used as transmission components, a transmission swing block and a first transmission wheel are correspondingly arranged above the first cam and the second cam, when the first cam and the second cam of the transmission shaft belt rotate, the first cam and the second cam output rotary power into linear motion in the vertical direction, upward power respectively outputs a value to drive the swing block and the first transmission wheel, wherein the first transmission wheel drives the transmission swing block which is rotatably connected to the side wall of a film pressing support to rotate and swing, the transmission swing block converts the power in the vertical direction into the power in the horizontal linear direction, the upper end of the transmission swing block drives the second transmission wheel to horizontally linearly move through a shifting block structure of an inner groove body, the second transmission wheel drives a second sliding seat which is slidably arranged at the top of the film pressing support to linearly move, and drives a film pressing support block arranged on the second sliding seat to move, The film pressing cylinder and the film pressing sheet move linearly synchronously, so that the power driving of the film pressing sheet in the horizontal direction freedom degree inside and outside the lamination is realized. In addition, the second cam sets up the first slide elevating movement on the press mold support lateral wall through first transmission wheel drive, in order to export this vertical power to the press mold piece, realize the power take off of vertical direction degree of freedom, because the second slide can only maintain the free slip of horizontal direction, at the unable motion of vertical direction, consequently need solve both motion interference at power take off and horizontal power take off in-process that makes progress, the vertical power direct output of first slide promptly is unable drive press mold piece elevating movement for the second slide. In order to solve the interference problem, a transmission bracket is arranged at the top of a first sliding seat, a horizontal strip groove in the same direction as a second sliding motion direction is formed in the transmission bracket, a third driving wheel is embedded in the horizontal strip groove in a sliding manner, a third sliding seat is arranged on the side part of a film pressing support block in a sliding manner along the vertical direction, the third sliding seat is connected with the third driving wheel through a connecting bracket, when the first sliding seat is lifted through the transmission bracket, the third driving wheel is driven to lift through the strip sliding groove, the third driving wheel drives the third sliding seat to lift through the connecting bracket, and the third sliding seat drives a film pressing sheet horizontally connected to the third sliding seat to lift, so that the second sliding seat is prevented from interfering with the motion in the vertical direction on the premise of ensuring the horizontal linear motion; in addition, when the second slide horizontal linear motion, the straight line of third drive wheel in horizontal strip inslot slides to avoided vertical direction to the motion of horizontal direction to interfere, through above transmission structure under the prerequisite of avoiding two vertical direction motion to interfere, realized bilateral press mold with one set of power structure, and accomplished the motion drive of press mold piece in two degrees of freedom directions. In addition, after the lamination film moves to the diaphragm top from the outside top along the arc path through the power transmission, the power of the vertical direction is output to the third slide by the lamination cylinder vertically arranged on the other side wall of the lamination supporting block, so that the third slide is driven to drive the lamination film to press the diaphragm downwards.
Aiming at the problems of automatic blanking, rubber coating and continuous rubber belt pressing in the rubber coating process of a pole piece group, the invention designs a rubber coating blanking mechanism originally, wherein the rubber coating blanking mechanism is arranged at the outer side of a blanking station and integrally comprises a rubber guiding and pressing component, a rubber coating component and a blanking component, the blanking component is butted with a lower sliding rail, the rubber coating component is arranged at the butted part of the blanking component and the lower sliding rail, and the rubber guiding and pressing component is erected above the rubber coating component; the rubber coating components comprise two groups which are respectively symmetrically arranged on two sides of the lower sliding rail, rubber coating linear motors are used as output structures to drive the rubber coating linear sliding seats to do reciprocating linear motion in the direction close to or far away from the lower sliding rail, the rubber coating rotary motors drive the rubber coating rotary seats to do rotary motion, after the upper clamping pieces and the lower clamping pieces are driven by the clamping cylinders to clamp the pole piece group from the outer side, the rubber coating rotary seats drive the pole piece group to do rotary motion, and therefore the rubber belt with the end heads adhered to the surface of the pole piece group can completely coat the pole piece group along the outline of the pole piece group.
In order to ensure the flatness of the adhesive tape in the process of encapsulating the adhesive tape and maintain the process of coating the adhesive tape by rotating the pole piece group, the invention creatively designs an adhesive guiding and pressing component, wherein the adhesive guiding and pressing component takes an adhesive guiding bracket as a bearing structure, and an adhesive guiding component and a continuous pressing component are arranged on the side wall of the adhesive guiding bracket at intervals, wherein the adhesive guiding component is used for horizontally guiding the adhesive tape to the position of the adhesive tape encapsulating component and ensuring the flatness of the adhesive tape during guiding and coating, and the pressing component is used for realizing that the continuous pressure of the external pressing adhesive tape is continuously provided along the surface profile of the pole piece group in the process of coating the adhesive tape by rotating the pole piece group, thereby not only effectively ensuring the good adhesion of the adhesive tape and the pole piece group, but also avoiding the surface wrinkle condition when the adhesive tape is coated by rotating the pole piece group, and effectively ensuring the encapsulating quality. The glue guiding component comprises a glue guiding cylinder, a glue guiding sliding seat and a glue guiding roller, the glue guiding sliding seat is connected to the side wall of the glue guiding support in a sliding mode along the vertical direction, the glue guiding cylinder is vertically arranged, the output end of the glue guiding sliding seat is connected with the glue guiding sliding seat, and the glue guiding sliding seat is driven to move up and down; the rubber guide roller is rotatably connected to the bottom of the rubber guide sliding seat, a gap space is reserved between the rubber guide roller and the bottom of the rubber guide sliding seat, after the rubber belt to be coated passes through the gap space, the rubber belt to be coated is spread on the surface of the rubber guide roller and tensioned by the rubber guide roller, and meanwhile, the rubber guide roller is driven by the rubber guide cylinder to move up and down, so that the tensioning force of the strip-shaped rubber belt can be further adjusted according to the real-time processing condition. The glue pressing component takes a glue pressing support which is horizontally connected on the side wall of the glue guide support as a carrier, a vertical glue pressing support plate which extends vertically and upwards is arranged on the glue pressing support, two glue pressing guide rods are slidably inserted in the vertical direction on the glue pressing support, the upper end and the lower end of each glue pressing guide rod are respectively and horizontally connected with a horizontal glue pressing support plate and a lower glue pressing support plate, the horizontal glue pressing support plate, the glue pressing guide rods and the lower glue pressing support plates form an integral lifting structure, the horizontal glue pressing support plates are movably sleeved on glue pressing connecting rods connected on the vertical glue pressing support plates, the glue pressing connecting rod limits the glue pressing transverse support plate at a certain distance, so that when the glue pressing vertical support plate is not coated with glue, because the lower part is not supported by the pole piece group, the lower part completely falls to the lower part of the pole piece group under the action of self gravity, the bottom of the lower rubber pressing plate is connected with a pressing roll support plate in parallel at intervals, and a pressing roll is rotatably connected between the gaps between the two pressing rolls; under the natural state, the whole structure descends along the glue pressing guide rod and the glue pressing connecting rod under the action of the self gravity of the glue pressing transverse support plate, the glue pressing guide rod, the glue pressing lower support plate, the pressing roller support plate and the pressing roller, the adhesive tape is pressed on the surface of the pole piece group through the pressing roller, when the pole piece group rotates to enable the adhesive tape to wrap along the outline of the pole piece group, along with the height change of a contact point of the pressing roller and the pole piece group, the reaction force of the pole piece group on the pressing roller can also push the structures upwards, the pressing roller can enable the adhesive tape to be pressed on the pole piece group all the time, and the coating quality and the flatness of the adhesive tape are effectively guaranteed. After the coating of the adhesive tape is finished, the adhesive tape is clamped and fixed up and down through the movable clamping jaw and the fixed clamping jaw of the blanking assembly, the pole piece group is sent out for blanking through the driving of the first linear module after being received from the two groups of rubber coating assemblies, meanwhile, the blanking rotary motor is used for driving the blanking rotary seat to rotate, so that the pole piece group can be driven to rotate for 90 degrees and sent out, the height of the pole piece group in the vertical direction when the material is received and fed is adjusted through the blanking lifting module, and the automatic material receiving and rotary feeding are realized.
Drawings
FIG. 1 is a schematic flow chart of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a schematic perspective view of the second embodiment of the present invention.
Fig. 4 is a third schematic perspective view of the present invention.
FIG. 5 is a fourth schematic view of the three-dimensional structure of the present invention.
Fig. 6 is a schematic perspective view of the lamination platform and the driving mechanism according to the present invention.
Fig. 7 is a second perspective view of the lamination platform and the driving mechanism of the present invention.
Fig. 8 is a third schematic perspective view of the lamination platform and the driving mechanism of the present invention.
Fig. 9 is a fourth schematic perspective view of the lamination platform and the driving mechanism of the present invention.
Fig. 10 is a schematic perspective view of the lamination platform and the driving mechanism after the component is hidden according to the present invention.
Fig. 11 is a second perspective view of the lamination platform and the driving mechanism after the component is hidden according to the present invention.
Fig. 12 is a third perspective view of the lamination platform and the driving mechanism after the component is hidden according to the present invention.
Fig. 13 is a perspective view of a lamination platform according to the present invention.
Fig. 14 is a second perspective view of the lamination platform of the present invention.
Fig. 15 is a third schematic perspective view of the lamination platform of the present invention.
Fig. 16 is a schematic perspective view of the driving mechanism of the present invention.
Fig. 17 is a schematic perspective view of the second driving mechanism of the present invention.
Fig. 18 is a third schematic perspective view of the driving mechanism of the present invention.
Fig. 19 is a schematic perspective view of a lamination assembly according to the present invention.
Fig. 20 is a second schematic perspective view of a lamination assembly according to the present invention.
Fig. 21 is a third schematic perspective view of a film pressing assembly according to the present invention.
FIG. 22 is a fourth schematic view of a film pressing assembly according to the present invention.
Fig. 23 is a schematic perspective view of the lifting mechanism of the present invention.
Fig. 24 is a schematic perspective view of the second embodiment of the lifting mechanism of the present invention.
Fig. 25 is a schematic perspective view of the encapsulation and blanking mechanism of the present invention.
Fig. 26 is a second schematic perspective view of the encapsulation and blanking mechanism of the present invention.
Fig. 27 is a schematic perspective view of the glue guiding and pressing assembly according to the present invention.
Fig. 28 is a second schematic perspective view of the glue guiding and pressing assembly of the present invention.
Fig. 29 is a third schematic perspective view of the glue guiding and pressing assembly of the present invention.
Fig. 30 is a schematic perspective view of a encapsulated assembly according to the present invention.
Fig. 31 is a second perspective view of the encapsulated assembly of the present invention.
Fig. 32 is a third schematic perspective view of the encapsulated component of 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 32, the technical solution adopted by the present invention is as follows: a platform circulation supply type lamination production line comprises a lamination mechanism 2, a lamination platform 3, a driving mechanism 4, a lifting mechanism 5, a slide rail 6 and a rubber coating blanking mechanism, wherein the slide rail 6 comprises an upper slide rail and a lower slide rail which are arranged in parallel at intervals along the vertical direction, the upper slide rail and the lower slide rail are respectively provided with a lifting station at the upper part and the lower part corresponding to the two sides of the upper slide rail and the lower slide rail, the upper slide rail is provided with a lamination station, and one end of the lower slide rail is provided with a blanking station; the lamination platform 3 is slidably arranged on the slide rail 6 and is driven by a conveyor belt at the side part of the slide rail 6 to move linearly; the lifting mechanisms 5 comprise two sets and are respectively arranged at the lifting stations at the two sides, and the lifting mechanisms 5 are used for receiving the lamination platforms 3 and driving the lamination platforms 3 to transfer between the upper slide rail and the lower slide rail; the driving mechanism 4 is arranged at the lamination station, the lamination mechanism 2 is arranged above the lamination station, the driving mechanism 4 positions and jacks the lamination platform 3, the lamination of the lamination platform 3 is opened, and a diaphragm is pressed in the lamination process; the rubber coating blanking mechanism is arranged on the outer side of the blanking station, the lamination platform 3 transfers the pole piece group to the blanking station, and the rubber coating blanking mechanism wraps the rubber paper outside the pole piece group and carries out blanking.
As shown in fig. 5 to 14, which are schematic views of the lamination platform 3 of the present invention, the lamination platform 3 of the present invention includes a platform support 31, a lamination support plate 35 and a pressing assembly, wherein the platform support 31 is horizontally disposed, two sides of the bottom of the platform support 31 vertically extend downward and are provided with a linear slide 32, and the linear slide 32 is slidably connected to a slide rail; the laminated support plate 35 is horizontally arranged above the platform support 31, and positive plates, diaphragms and negative plates are alternately stacked on the laminated support plate 35 to form a plate group; at least two guide posts 34 are vertically connected to the bottom of the laminated support plate 35, and the guide posts 34 are slidably inserted into the platform support 31; the pressing assemblies comprise two groups, the two groups of pressing assemblies are respectively arranged on the left side and the right side of the platform support 31, and the pressing assemblies press the pole piece groups on the lamination support plate 35 from the two sides;
the bottom of the platform support 31 is provided with a through hole 33 which is through up and down; a vacuum suction plate 36 is arranged at the upper part of the laminated support plate 35, a plurality of vacuum suction holes are distributed on the surface of the vacuum suction plate 36, and the diaphragm is downwards adsorbed by negative pressure generated by the vacuum suction holes;
the pressing assembly comprises two pressing supports 37, two pressing slide seats 38, a spring column 39 and a pressing sheet 310, wherein the two pressing supports 37 are arranged on the side wall of the platform support 31 at intervals, a supporting platform is formed at the upper part of each pressing support 37, and a linear slide rail is vertically arranged on the side wall of each pressing support 37 below the supporting platform; the material pressing sliding seat 38 is slidably connected to the linear sliding rail, and the top of the material pressing sliding seat 38 extends horizontally to form a mounting platform; the spring column 39 is vertically and slidably inserted on the supporting platform and fixedly inserted in the mounting platform, the upper end and the lower end of the spring column 39 respectively extend to the upper part of the supporting platform and the lower part of the mounting platform, a spring is sleeved on the spring column 39 and arranged between the supporting platform and the mounting platform, and the spring pushes the material pressing slide seat 38 downwards under the downward elasticity; the material pressing sheet 310 is horizontally connected to the top of the spring column 39 and extends above the vacuum suction plate 36, and the spring force drives the material pressing slide 38 to drive the spring column 39 to drive the material pressing sheet 310 to press down.
As shown in fig. 5 to 11 and fig. 15 to 21, which are schematic diagrams of the driving mechanism 4 of the present invention, the driving mechanism 4 of the present invention includes a driving support plate 41, a jacking assembly, a cutting assembly and a film pressing assembly, wherein the driving support plate 41 is horizontally disposed, unit slide rails 42 are disposed on left and right sides of the driving support plate 41 at intervals in parallel, the unit slide rails 42 are butted with the slide rails 6, and a linear slide seat at the bottom of the platform support 31 is slidably embedded on the unit slide rails 42; the jacking assembly is arranged below the driving support plate 41 and vertically penetrates through the driving support plate 41 upwards, outputs upward power to the laminated support plate 35 and drives the laminated support plate 35 to move up and down; the cutting assemblies are respectively arranged at the left side and the right side of the driving support plate 41 and are vertically arranged corresponding to the pressing assemblies, and the cutting assemblies output upward power to the pressing assemblies so that the pressing assemblies move upward to loosen the materials; the film pressing assemblies comprise two groups, the two groups of film pressing assemblies are respectively arranged on the left side and the right side of the driving support plate 41, and the film pressing assemblies compress the diaphragms on the lamination support plate 35 from the outer side and the upper side.
As shown in fig. 15 to 17, the jacking assembly of the present invention includes a jacking cylinder 43 and a jacking column 44, wherein the jacking cylinder 43 is disposed at the bottom of the driving support plate 41, and the output end of the jacking cylinder is disposed upward; the top column 44 is vertically connected to the output end of the jacking cylinder 43 and extends upwards through the driving support plate 41; when the lamination platform 3 moves to the lamination station, the jacking columns 44 upwards penetrate through the through holes 33 of the platform supports 31 to upwards jack the lamination support plate 35, and the lamination support plate 35 is upwards jacked to be close to the lamination mechanism 2, so that the lamination mechanism 2 sequentially laminates on the lamination platform 3.
The cutting assembly comprises two cutting motors 45, a transmission cam 46, a cutting seat 47, a cutting spring 48, a cutting transmission wheel 49, a rotating motor 410 and a cutting rod 411, the two cutting motors 45 of the cutting assembly are arranged at the bottom of the driving support plate and are arranged corresponding to the two pressing supports 37 of the lamination platform 3 up and down, the output direction of the two cutting motors is arranged towards the outer side of the driving support plate 41, and the transmission cam 46 is connected to an output shaft of the cutting motors 45 and is driven by the cutting motors 45 to rotate; the material cutting seats 47 of the material cutting assembly comprise two, the material cutting seats 47 are correspondingly arranged on the outer side of the material cutting motor 45, vertically penetrate through the driving support plate 41, and freely slide on the driving support plate 41 along the vertical direction; the rotating motor 410 is arranged at the bottom of the material opening seat 47, and an output shaft penetrates through the material opening seat 47 to extend upwards; the cutting driving wheel 49 is rotatably arranged on the side wall of the rotating motor 410 and is positioned above the driving cam 46, when the cutting motor 45 drives the driving cam 46 to rotate, the driving cam 46 pushes the cutting driving wheel 49 to ascend or descend, and the cutting driving wheel 49 drives the rotating motor 410 and the cutting base 47 to ascend and descend; the material opening rod 411 is vertically connected to the output end of the rotating motor 410 and is driven by the rotating motor 410 to rotate; the top of the blanking rod 411 is connected with the bottom of the spring column 39 of the blanking assembly of the lamination platform 3; when the material opening rod 411 is driven by the rotating motor to rotate, the driving spring column 39 drives the material pressing sheet 310 to rotate; the cutting motor 45 converts the rotation motion into the vertical lifting motion through the transmission cam 46 and the cutting transmission wheel 49, so as to drive the rotation motor 410 and the cutting base 47 to drive the cutting rod 411 to move up and down, the cutting rod 411 pushes up the spring column 39, and the spring column 39 drives the material pressing sheet 310 to move upwards. Therefore, before lamination, the material pressing sheet 310 is jacked upwards and rotates from the upper part of the vacuum suction plate 36 of the lamination platform to the outer side of the vacuum suction plate 36, so that the space above the vacuum suction plate 36 is reserved, and movement interference is avoided when lamination is carried out; after the lamination is completed and a pole piece group is formed on the vacuum suction plate 36, the material pressing piece 310 rotates to the position above the vacuum suction plate 36 from the outer side and descends to press the pole piece group, so that the position stability of each pole piece and a diaphragm in the pole piece group is ensured when the lamination platform 3 conveys the pole piece group. The cutting spring 48 is vertically connected between the cutting seat 47 and the bottom surface of the driving support plate 41, so that the cutting seat 47 and the driving support plate 41 are flexibly connected.
As shown in fig. 18 to 21, the film pressing assembly of the present invention includes a film pressing support plate 412, a film pressing motor 413, a transmission shaft 414, a first cam 415, a second cam 416, a film pressing support 417, a first slide 418, a first transmission wheel 419, a transmission support 420, a transmission swing block 422, a second transmission wheel 423, a second slide 424, a film pressing support block 425, a film pressing cylinder 426, a third slide 427, a third transmission wheel 428, a connecting support 429 and a film pressing sheet 430, wherein the film pressing support plate 412 is vertically disposed on the driving support plate 41 and is located outside the unit slide rail 42; the lamination support 417 is arranged on the lamination support plate 412; the film pressing motor 413 is arranged on one side of the film pressing support plate 412; the transmission shaft 414 is rotatably inserted into the film pressing support 417 and is connected with an output shaft of the film pressing motor 413 through a transmission belt, and the film pressing motor 413 drives the transmission shaft 414 to rotate; the first cam 415 and the second cam 416 comprise two sets, and the first cam 415 and the second cam 416 are respectively connected to two ends of the transmission shaft 414 at intervals and extend out of the film pressing support 417; the first slide 418 is slidably connected to a sidewall of the lamination holder 417 in a vertical direction; the first driving wheel 419 is rotatably connected to a side wall of the first sliding seat 418 and is located above the second cam 416, and the first sliding seat 418 is pushed to move up and down by the first driving wheel 419 when the second cam 416 rotates; the transmission bracket 420 is vertically arranged at the top of the first sliding seat 418, and a horizontal strip groove 421 is formed in the middle of the transmission bracket 420; the transmission swing block 422 is rotatably connected to the side wall of the film pressing support 417 and is positioned in a gap space between the first slide seat 418 and the side wall of the film pressing support 417, the lower end of the transmission swing block 422 is a circular block body, the circular block body is close to the first cam 415, and the circular block body extends upwards in an inclined manner to form a shifting block structure with an inner concave groove body at the upper end; the second slide carriage 424 is slidably connected to a linear slide rail arranged at the top of the lamination holder 417 in the horizontal direction, and the second slide carriage 424 freely slides in the direction close to or far from the lamination platform; the second driving wheel 423 is rotatably connected to a side wall of the second sliding seat 424 and is located in a shifting block inner groove body above the transmission swinging block 422, the first cam 415 pushes the transmission swinging block 422 to rotate through a circular block body when rotating, and the transmission swinging block 422 pushes the second driving wheel 423 to drive the second sliding seat 424 to slide linearly through a shifting block structure at the upper part; the film pressing supporting block 425 is vertically arranged on the second sliding seat 424, the film pressing cylinder 426 is vertically arranged on one side of the film pressing supporting block 425, the output end of the film pressing cylinder is upwards arranged, the third sliding seat 427 is slidably connected to the other side wall of the film pressing supporting block 425 along the vertical direction and is connected with the output end of the film pressing cylinder 426, and the film pressing cylinder 426 drives the third sliding seat 427 to move up and down; the upper end of the connecting bracket 429 is connected with the side wall of the third sliding seat 427 through a connecting rod, the lower side wall of the connecting bracket 429 is rotatably connected with a third driving wheel 428, and the third driving wheel 428 is embedded into the horizontal groove 421 and freely slides in the horizontal groove 421; the lamination blades 430 are attached to the top of the third slide 427 and extend horizontally toward the lamination stage 3. When the first cam 415 and the second cam 416 synchronously rotate, the first cam 415 drives the second slide seat 424 through the transmission swing block 422 to drive the film pressing support block 425, the film pressing air cylinder 426, the third slide seat 427, the third transmission wheel 428, the connecting bracket 429 and the film pressing sheet 430 to integrally and linearly move so as to be close to or far from the lamination platform 3; meanwhile, the third driving wheel 428 slides in the horizontal bar slot 421, so as to avoid the interference of movement with the driving bracket 420. Synchronously, the second cam 416 drives the first slide seat 418 and the transmission bracket 420 to integrally move up and down through the first transmission wheel 419, the vertical driving force is transmitted to the third transmission wheel 428 through the horizontal strip groove 421 in the transmission bracket 420, and the vertical driving force is transmitted to the third slide seat 427 through the third transmission wheel 428, so that the third slide seat 427 drives the film pressing sheet 430 to move up and down. The structure synchronously realizes the synchronous movement of the film pressing sheet 430 in the vertical direction and the horizontal direction through one power mechanism output by the film pressing motor 413, and simultaneously avoids the movement interference when the film pressing sheet moves in two directions which are perpendicular to each other.
As shown in fig. 22 to 23, the lifting mechanism 5 of the present invention includes a lifting support 51, a lifting motor 52 and a lifting slide 53, wherein the lifting support 51 is vertically disposed, a screw rod is vertically disposed in the middle of the lifting support 51, two ends of the screw rod are respectively rotatably connected to a bottom plate and a top plate of the lifting support 51, and two linear slide rails are vertically disposed on one side wall of the lifting support 51; the lifting motor 52 is arranged on the bottom plate of the lifting support 51, and the output shaft is connected with the screw rod through a transmission belt; the lifting slide 53 is slidably connected to the linear slide rail, the side of the lifting slide 53 is in threaded connection with the lead screw through the lead screw seat, the lifting motor 52 drives the lead screw to rotate, and the lead screw drives the lifting support 51 to move up and down through the lead screw seat.
As shown in fig. 24 to 25, the encapsulating and blanking mechanism of the present invention includes an encapsulating and glue-pressing component 7, an encapsulating component 8 and a blanking component 9, wherein the blanking component 9 is arranged at the side of a blanking station along a straight line direction; the rubber coating assemblies 8 are arranged between the blanking station and the blanking assembly 9 along the direction vertical to the sliding rail 6, the rubber coating assemblies 8 comprise two groups which are symmetrically arranged along the direction of the sliding rail 6 respectively, and the two groups of rubber coating assemblies 8 clamp the pole piece groups from two sides and drive the pole piece groups to rotate; the glue guiding and pressing assembly 7 is erected above the glue coating assembly 8, the adhesive tape penetrates through the glue guiding and pressing assembly 7, is tensioned and pressed on the surface of the pole piece group, and presses the adhesive tape tightly and presses the adhesive tape along the outer contour of the pole piece group along with the rotary motion of the pole piece group; the blanking assembly 9 clamps the encapsulated pole piece group and blanks.
As shown in fig. 26 to 28, the glue guiding and pressing assembly 7 of the present invention includes a glue guiding bracket 71, a glue guiding cylinder 72, a glue guiding slide carriage 73, a glue guiding roller 74, a glue pressing support 75, a glue pressing vertical support plate 76, a glue pressing horizontal support plate 78, a glue pressing connecting rod 77, a glue pressing guide rod 79, a glue pressing lower support plate 710, a pressing roller support plate 711, and a pressing roller 712, wherein the glue guiding bracket 71 is vertically disposed, the glue guiding cylinder 72 is vertically connected to a side wall of the glue guiding bracket 71, and an output end is disposed downward; the glue guide sliding seat 73 is connected to the side wall of the glue guide support 71 in a sliding manner along the vertical direction and is connected with the output end of the glue guide air cylinder 72, and the glue guide air cylinder 72 drives the glue guide sliding seat 73 to move up and down; the rubber guide roller 74 is rotatably arranged at the bottom of the rubber guide sliding seat 73, a gap is reserved between the rubber guide roller 74 and the bottom surface of the rubber guide sliding seat 73, the rubber belt with rubber coating passes through the gap of the cover, is tensioned by the rubber guide roller 74, and drives the rubber guide roller 74 to move up and down through the power output in the vertical direction by the rubber guide air cylinder 72 so as to adjust the tensioning force.
The glue pressing support 75 is horizontally connected to the side wall of the glue guide support 71; the vertical glue pressing support plate 76 is vertically connected to the glue pressing support seat 75; the glue pressing connecting rod 77 is vertically connected to the glue pressing vertical support plate 76; the glue pressing transverse support plate 78 is horizontally arranged above the glue pressing support seat 75 and sleeved on the glue pressing connecting rod 77, and the glue pressing transverse support plate 78 freely slides along the glue pressing connecting rod 77 in the vertical direction; the lower support plate 710 for glue pressing is horizontally arranged below the glue pressing support 75 and is connected to the transverse support plate 78 for glue pressing through the glue pressing guide rod 79; the glue pressing transverse support plate 78, the glue pressing guide rod 79 and the glue pressing lower support plate 710 form an integral lifting structure; the two glue pressing guide rods 79 penetrate through the glue pressing support 75 and freely slide in the glue pressing support 75 so as to be guided; the compression roller support plates 711 comprise two compression roller support plates 711 which are arranged at the lower part of the compression rubber lower support plate 710 at intervals in parallel; the press roller 712 is rotatably connected in the gap space between the two press roller support plates 711; the whole structure formed by the glue pressing transverse support plate 78, the glue pressing guide rod 79, the glue pressing lower support plate 710, the pressing roller support plate 711 and the pressing roller 712 in a natural state descends under the action of self gravity, and is tightly coated on the adhesive tape on the surface of the pole piece set, when the pole piece set rotates under the driving of the rubber coating component 8, the pressing roller 712 continuously rolls the adhesive tape on the surface of the pole piece set along the surface profile of the pole piece set, and the reaction force of the pole piece set on the pressing roller 712 pushes the glue pressing transverse support plate 78 to slide upwards on the glue pressing connecting rod 77.
As shown in fig. 29 to fig. 31, the encapsulation assembly 8 of the present invention includes an encapsulation base 81, an encapsulation linear motor 82, an encapsulation linear slide carriage 83, an encapsulation lifting motor 84, an encapsulation lifting slide carriage 85, an encapsulation support plate 86, an encapsulation rotating motor 87, a speed reducer 88, an encapsulation rotating carriage 89, a clamping cylinder 810, a clamping seat 811 and a clamping plate 812, wherein the encapsulation base 81 is horizontally disposed, two linear slide rails are disposed on the encapsulation base 81 at an interval in parallel, and a lead screw is disposed between the two linear slide rails; the rubber coating linear sliding seat 83 is slidably embedded on the linear sliding rail, and the bottom of the rubber coating linear sliding seat 83 is connected with the screw rod through a screw rod seat; the rubber coating linear motor 82 is arranged on one side of the rubber coating base 81, the output end of the rubber coating linear motor is connected with the lead screw through a transmission belt, the rubber coating linear motor 82 drives the lead screw to rotate, and the lead screw drives the rubber coating linear sliding seat 83 to linearly move back and forth along the linear sliding rail through the lead screw seat; the rubber coating lifting motor 84 is arranged on one side of the vertical support plate extending upwards from the rubber coating linear sliding seat 83, and the output end of the rubber coating lifting motor is arranged downwards; the other side of the vertical supporting plate is rotatably provided with a vertical rod, the vertical rod is connected with the output end of the rubber coating lifting motor 84 through a transmission belt, and the rubber coating lifting motor 84 drives the vertical rod to rotate; the rubber coating lifting slide seat 85 is slidably connected to the other side of the vertical support plate and is connected with the vertical screw rod through the screw rod seat, and the rubber coating lifting slide seat 85 is driven to move up and down through the screw rod seat when the vertical screw rod rotates; the rubber coating support plate 86 is horizontally arranged at the top of the rubber coating lifting slide seat 85; the rubber-coated rotating motor 87 is horizontally arranged on the rubber-coated supporting plate 86, and the speed reducer 88 is arranged on one side of the rubber-coated rotating motor 87 and is connected with the output end of the rubber-coated rotating motor 87; the rubber-coated rotating seat 89 is connected to the output end of the speed reducer and is driven by the speed reducer 88 to rotate; the clamping cylinder 810 is vertically arranged on the side wall of the rubber coating rotary seat 89, and two output ends of the clamping cylinder 810 are arranged at intervals up and down; the two clamping seats 811 are respectively connected to two output ends of the clamping cylinder 810 at intervals up and down, and are driven by the clamping cylinder 810 to be clamped or unclamped; the clamping pieces 812 comprise two groups, wherein every two clamping pieces 812 are respectively connected to the two clamping seats 811 at intervals, and the clamping seats 811 drive the upper and lower clamping pieces 812 to clamp or loosen the pole piece groups.
As shown in fig. 24 to 25, the blanking assembly 9 of the present invention includes a first linear module 91, a first blanking slide 92, a second linear module 93, a second blanking slide 94, a blanking lifting module 95, a blanking lifting seat 96, a blanking connecting plate 97, a blanking rotating motor 98, a blanking rotating seat 99, a blanking vertical plate 910, a fixed clamp 911, a fixed clamp 912, a clamp cylinder 913, a movable clamp 914 and a movable clamp 915, wherein the first linear module 91 is disposed outside the blanking station along the direction of the slide rail 6, the first blanking slide 92 is connected to the output end of the first linear module 91, and is driven by the first linear module 91 to move linearly; the second linear module 93 is disposed on the first blanking slide 92 along a direction perpendicular to the first linear module 91; the second blanking slide 94 is connected to the output end of the second linear module 93 and is driven by the second linear module 93 to move linearly; the blanking lifting module 95 is arranged on the second blanking slide carriage 94, and the output end is arranged along the vertical direction; the discharging lifting seat 96 is connected to the output end of the discharging lifting module 95 and is driven by the discharging lifting module 95 to move up and down; the blanking connecting plate 97 is horizontally connected to the bottom of the blanking lifting seat 96, and a through groove is formed in the blanking connecting plate 97; the blanking rotating motor 98 is vertically connected to the bottom of the blanking connecting plate 97 and penetrates through the through groove; the blanking rotating seat 99 is horizontally and rotatably arranged at the upper part of one side of the blanking connecting plate 97 away from the blanking lifting seat 96, the lower part of the blanking rotating seat 99 is connected with a transmission shaft, the transmission shaft is connected with an output shaft of a blanking rotating motor 98 through a transmission belt, and the blanking rotating motor 98 drives the blanking rotating seat 99 to rotate; the blanking vertical plate 910 is arranged on the blanking rotary seat 99; the fixed clamping seat 911 is horizontally connected to one side wall of the lower part of the blanking vertical plate 910, the two fixed clamping jaws 912 are provided, and the two fixed clamping jaws 912 are horizontally connected to the side wall of the fixed clamping seat 911 at intervals; the clamping jaw cylinder 913 is vertically connected to the other side wall of the blanking vertical plate 910, and the output end of the clamping jaw cylinder is arranged upward; the movable clamp holder 914 is slidably connected to the side wall of the blanking vertical plate 910 in the vertical direction, the top of the movable clamp holder is connected to the output end of the clamping jaw cylinder 913 through a connecting block, and the clamping jaw cylinder 913 drives the movable clamp holder 914 to move up and down; the movable clamping jaws 915 include two movable clamping jaws 915 which are horizontally connected to the side wall of the movable clamping base 914 at intervals and are respectively arranged on the two fixed clamping jaws 912 in an up-down corresponding manner, the clamping jaw air cylinder 913 drives the movable clamping base 914 to drive the movable clamping jaws 915 to move up and down, and the movable clamping jaws 915 and the fixed clamping jaws 912 clamp or loosen the pole piece group.
A cyclic lamination process of a platform cyclic supply type lamination production line comprises the following process steps:
s1, empty platform supply: after the pole piece group which is laminated on the laminating platform is taken out at the blanking station, the empty laminating platform moves to a lifting mechanism along a lower slide rail, the lifting mechanism transfers the laminating platform to an upper slide rail, and the laminating platform moves to the laminating station along the upper slide rail;
s2, positioning and jacking the platform: the lamination platform in the step S1 provides upward power through a platform support of the lamination platform at the lamination station through a driving mechanism to position the lamination platform, and a lamination support plate above the platform support is upwards jacked to be close to the lamination mechanism;
s3, lamination: after the lamination platform is jacked in place in the step S2, the positive and negative pole pieces are overlapped on the lamination platform in a staggered manner by the lamination mechanism, and diaphragms are inserted and covered between the positive and negative pole pieces;
s4, platform blanking: after the pole pieces on the lamination platform are laminated in the step S3, a pole piece group is formed, the driving mechanism retracts downwards, the lamination support plate descends, the lamination platform moves linearly to a descending station on the upper slide rail, is transferred to the lower slide rail through the lifting mechanism, and moves linearly to a blanking station along the lower slide rail;
s5, material clamping and rubber coating: after the lamination platform in the step S4 moves to the blanking station, the lamination platform releases the pole piece group, the encapsulation component of the encapsulation blanking mechanism clamps the pole piece group, and the empty lamination platform retracts in the step S1; after the rubber guiding and pressing assembly of the rubber coating blanking mechanism guides the rubber belt out and presses and covers the pole piece group, the rubber coating assembly drives the pole piece group to rotate so that the rubber belt is coated on the surface of the pole piece group;
s6, cutting the adhesive tape: after the pole piece group adhesive tape is coated in the step S5, cutting the adhesive tape by a cutter;
s7, blanking of the pole piece group: and (4) clamping the pole piece group subjected to the encapsulation in step S6 by a blanking assembly of the encapsulation blanking mechanism, loosening the pole piece group by the encapsulation assembly, and moving and blanking the pole piece group by the blanking mechanism.
And S3, when laminating, the diaphragm belts inserted between the positive and negative pole pieces are pressed from the outside and the upper part through two groups of film pressing assemblies of the driving mechanism arranged at the laminating station.
When the lamination is performed in the step S3, the pressing assembly of the lamination platform is lifted upwards through the cutting assembly of the driving mechanism and rotated to the outer side of the lamination platform, so as to perform lamination; when the lamination platform drives the electrode plate group to be discharged in the step S4, the material cutting assembly drives the material pressing assembly to rotate and return to the position above the lamination platform, upward jacking force is released, and the material pressing assembly automatically compresses the electrode plate group under the action of internal elastic force.
When the pole piece group is clamped by the glue coating component and rotates in the step S5, the glue guiding and pressing component presses the adhesive tape onto the surface of the pole piece group under the action of self gravity, and the reaction force of rotation of the pole piece group overcomes the action of gravity to push the glue guiding and pressing component to rise, so that the pole piece group is kept in a glue pressing state in the rotation process.
Furthermore, the invention designs a platform circulation supply type lamination production line and a circulation lamination process thereof, wherein the lamination platform circularly moves along a rectangular path to realize automatic bearing of laminations and carrying of a pole piece group, the waiting time is effectively reduced, the whole line capacity is excellently promoted, the self-pressing function is provided, the carrying position stability of the pole piece group is ensured, the automatic jacking, cutting and rotation interference avoidance functions are provided, the automatic carrying engagement of the laminations and the pole piece group is effectively ensured, the automatic film pressing and interference with the pole piece laminations are realized through film pressing in two freedom directions of the outer side and the upper side, the automatic film pressing and interference with the pole piece laminations are effectively ensured, the automatic engagement of the pressed films and the laminations is effectively ensured, and the gravity self-pressing adhesive and the rotary encapsulation of the pole piece group are utilized to cooperate to realize continuous adhesive pressing while automatic encapsulation is realized, and the encapsulation quality is effectively ensured.
Aiming at the integration requirement of the automatic production line of the battery core, the invention creatively takes the lamination platform as a lamination bearing and pole piece group carrying structure at the same time, adopts an upper slide rail and a lower slide rail which are arranged at intervals up and down to form a movement path of the lamination platform, and two sides of the upper slide rail and the lower slide rail are respectively provided with a lifting mechanism to form a rectangular movement path, wherein, the upper slide rail realizes the supply of an empty platform, the lower slide rail carries the blanking of a full platform of the pole piece group after lamination, a lamination station is arranged on the upper slide rail, a blanking station is arranged at the end of the lower slide rail extending outwards, a plurality of lamination platforms flow between the lamination station and the blanking station to realize platform circulation supply, after the full platform is moved away after lamination, the next empty platform is connected to enter the lamination station for lamination, so that the material waiting time between lamination and blanking is effectively reduced, and the whole-line productivity is greatly improved while the whole-line automation degree is improved.
Aiming at the conditions of the automatic cyclic supply process requirement of the lamination platform and the high position stability requirement of the pole piece group in the carrying process, the invention integrates and designs the material pressing assemblies in the lamination platform, wherein the material pressing assemblies comprise two groups which are respectively arranged at the left side and the right side of the lamination support plate, and the material pressing assemblies are used for pressing the pole piece group which is laminated on the lamination platform from two sides, so that the position stability of the pole piece group is ensured in the pole piece group carrying process of the lamination platform, and the pole pieces and the diaphragms in the lamination platform are not staggered. Meanwhile, the lamination platform has a main function of serving as a bearing part during lamination besides carrying the pole piece group, so that the pressing assembly needs to avoid interference with the action of the lamination on the premise of ensuring the compression of the pole piece group. The material pressing component takes material pressing supports arranged on two side walls of a platform support as carriers, spring columns are vertically inserted into the material pressing supports, two ends of each spring column respectively extend to the upper side and the lower side of each material pressing support and are movably connected with the material pressing supports, material pressing sheets are horizontally connected to the tops of the spring columns, the lower portions of the spring columns are inserted into material pressing sliding seats, and the material pressing sliding seats are slidably connected to the side walls of the platform support along the vertical direction; in a natural state, the elastic force generated by the elastic force sleeved outside the spring column pushes the material pressing slide seat downwards, so that the spring column of the material pressing slide seat belt descends, and the material pressing sheet of the spring column belt presses the pole piece group downwards; when the lamination platform moves to the lamination station for lamination, a cutting assembly of a driving mechanism arranged at the lamination station firstly drives the spring column to rotate, so that the pressing sheet rotates to the outer side from the upper part of the lamination platform, and the problem of interference of lamination is solved; in addition, when the pole piece group is blanked, the blanking assembly outputs upward power to the pressing assembly, so that the pressing piece of the spring column belt moves upward, the pole piece group is loosened, and the pole piece group is taken out conveniently.
Aiming at the problems of positioning and lifting the lamination at the lamination station of the lamination platform, the invention drives the material pressing sheet to rotate and rise so as to avoid the problems of lamination interference and electrode sheet group blanking, and alternately presses the diaphragm process requirement during lamination. The driving mechanism is fixedly arranged at the lamination platform and does not move along with the lamination platform, and meanwhile, the unit slide rail inside the driving mechanism is in butt joint with the upper slide rail so that the lamination platform can slide in. The driving mechanism uses the driving support plate as a bearing structure and integrally comprises a jacking assembly, a cutting assembly and a film pressing assembly.
The jacking assembly is arranged below the driving support plate, the jacking cylinder is used as a power mechanism and outputs upward power to the jacking column, the jacking column penetrates through the driving support plate and a platform support of the lamination platform to jack a vacuum suction plate which is arranged above the platform support and used for bearing the lamination upwards to the position below the lamination mechanism, so that the lamination mechanism can conveniently overlap positive and negative pole pieces onto the vacuum suction plate, the vacuum suction plate is jacked upwards, and the platform support is guided and limited by the jacking column at the same time, so that the integral automatic positioning of the lamination platform is realized. The material cutting assemblies comprise two groups, and the material pressing assemblies of the two groups of material cutting assemblies which vertically correspond to the lamination platforms are arranged on the left side and the right side of the driving support plate.
Based on the requirements of pole piece pressing and pole piece loosening blanking and lamination interference avoidance required by the material pressing assembly, the material cutting assembly simultaneously outputs upward power to the material pressing assembly of the lamination platform for loosening the pole piece, and is also integrated with the function of outputting rotary power in a horizontal plane; specifically, from the perspective of space utilization, a cutting motor arranged at the bottom of a driving support plate is used as an upward power output part, the rotary power of the cutting motor is converted into upward linear power through a driving cam and a cutting driving wheel, a cutting support vertically penetrating and arranged on the driving support plate is driven to move up and down, the cutting support drives a rotary motor vertically arranged at the bottom of the cutting support to move up and down, an output shaft of the rotary motor is vertically connected with a cutting rod, the rotary motor and the cutting rod of the cutting support belt are jacked up upwards, the rotary motor also drives the cutting rod to move rotationally, so that the cutting rod connected with a spring column of a material pressing assembly at the top end jacks up the spring column to loosen a pole piece group, and meanwhile, the spring column of the cutting rod and a material pressing piece on the spring column are also jacked to move rotationally, so that the material pressing piece rotates to a position above a lamination platform to press the pole piece group or when lamination is carried out, the horizontal rotation is to the lamination platform outside, avoids the motion interference during the lamination.
The film pressing assemblies comprise two groups which are respectively arranged on the left side and the right side above the driving support plate, and when the two groups of film pressing assemblies are stacked, the diaphragms are pressed from the two sides of the diaphragms after the diaphragms cover the surfaces of the pole pieces. Because the film pressing is carried out alternately in the lamination process, the film pressing is ensured to avoid the motion interference with the lamination pole piece in real time, in order to realize the real-time avoidance of the motion interference while pressing the diaphragm, the film pressing assembly realizes film pressing from two freedom directions of the outer side and the upper side, the film pressing assembly moves to the upper part of the diaphragm from the outer side of a lamination platform in an arc path from the view of the motion trail to press the diaphragm so as to realize the driving of the two freedom directions, the film pressing assembly is realized by only one power output, specifically, the film pressing assembly takes a film pressing support plate vertically arranged on a driving support plate as a bearing structure, a film pressing motor is arranged on one side of the lower part of the film pressing support plate as a power output part, a film pressing support is arranged at the top of the film pressing support plate, the power of the film pressing motor is output to a transmission shaft inserted in the film pressing support through transmission, and two ends of the transmission shaft respectively form two power output fulcrums, the two output fulcrums output synchronously to form a synchronous movement double-side film pressing mode, so that the stability during film pressing can be better ensured compared with single-side film pressing, and the influence on the surface flatness of the diaphragm is reduced; for unilateral film pressing, a first cam and a second cam which are arranged on a transmission shaft at intervals are used as transmission components, a transmission swing block and a first transmission wheel are correspondingly arranged above the first cam and the second cam, when the first cam and the second cam of the transmission shaft belt rotate, the first cam and the second cam output rotary power into linear motion in the vertical direction, upward power respectively outputs a value to drive the swing block and the first transmission wheel, wherein the first transmission wheel drives the transmission swing block which is rotatably connected to the side wall of a film pressing support to rotate and swing, the transmission swing block converts the power in the vertical direction into the power in the horizontal linear direction, the upper end of the transmission swing block drives the second transmission wheel to horizontally linearly move through a shifting block structure of an inner groove body, the second transmission wheel drives a second sliding seat which is slidably arranged at the top of the film pressing support to linearly move, and drives a film pressing support block arranged on the second sliding seat to move, The film pressing cylinder and the film pressing sheet move linearly synchronously, so that the power driving of the film pressing sheet in the horizontal direction freedom degree inside and outside the lamination is realized. In addition, the second cam sets up the first slide elevating movement on the press mold support lateral wall through first transmission wheel drive, in order to export this vertical power to the press mold piece, realize the power take off of vertical direction degree of freedom, because the second slide can only maintain the free slip of horizontal direction, at the unable motion of vertical direction, consequently need solve both motion interference at power take off and horizontal power take off in-process that makes progress, the vertical power direct output of first slide promptly is unable drive press mold piece elevating movement for the second slide. In order to solve the interference problem, a transmission bracket is arranged at the top of a first sliding seat, a horizontal strip groove in the same direction as a second sliding motion direction is formed in the transmission bracket, a third driving wheel is embedded in the horizontal strip groove in a sliding manner, a third sliding seat is arranged on the side part of a film pressing support block in a sliding manner along the vertical direction, the third sliding seat is connected with the third driving wheel through a connecting bracket, when the first sliding seat is lifted through the transmission bracket, the third driving wheel is driven to lift through the strip sliding groove, the third driving wheel drives the third sliding seat to lift through the connecting bracket, and the third sliding seat drives a film pressing sheet horizontally connected to the third sliding seat to lift, so that the second sliding seat is prevented from interfering with the motion in the vertical direction on the premise of ensuring the horizontal linear motion; in addition, when the second slide horizontal linear motion, the straight line of third drive wheel in horizontal strip inslot slides to avoided vertical direction to the motion of horizontal direction to interfere, through above transmission structure under the prerequisite of avoiding two vertical direction motion to interfere, realized bilateral press mold with one set of power structure, and accomplished the motion drive of press mold piece in two degrees of freedom directions. In addition, after the lamination film moves to the diaphragm top from the outside top along the arc path through the power transmission, the power of the vertical direction is output to the third slide by the lamination cylinder vertically arranged on the other side wall of the lamination supporting block, so that the third slide is driven to drive the lamination film to press the diaphragm downwards.
Aiming at the problems of automatic blanking, rubber coating and continuous rubber belt pressing in the rubber coating process of a pole piece group, the invention designs a rubber coating blanking mechanism originally, wherein the rubber coating blanking mechanism is arranged at the outer side of a blanking station and integrally comprises a rubber guiding and pressing component, a rubber coating component and a blanking component, the blanking component is butted with a lower sliding rail, the rubber coating component is arranged at the butted part of the blanking component and the lower sliding rail, and the rubber guiding and pressing component is erected above the rubber coating component; the rubber coating components comprise two groups which are respectively symmetrically arranged on two sides of the lower sliding rail, rubber coating linear motors are used as output structures to drive the rubber coating linear sliding seats to do reciprocating linear motion in the direction close to or far away from the lower sliding rail, the rubber coating rotary motors drive the rubber coating rotary seats to do rotary motion, after the upper clamping pieces and the lower clamping pieces are driven by the clamping cylinders to clamp the pole piece group from the outer side, the rubber coating rotary seats drive the pole piece group to do rotary motion, and therefore the rubber belt with the end heads adhered to the surface of the pole piece group can completely coat the pole piece group along the outline of the pole piece group.
In order to ensure the flatness of the adhesive tape in the process of encapsulating the adhesive tape and maintain the process of coating the adhesive tape by rotating the pole piece group, the invention creatively designs an adhesive guiding and pressing component, wherein the adhesive guiding and pressing component takes an adhesive guiding bracket as a bearing structure, and an adhesive guiding component and a continuous pressing component are arranged on the side wall of the adhesive guiding bracket at intervals, wherein the adhesive guiding component is used for horizontally guiding the adhesive tape to the position of the adhesive tape encapsulating component and ensuring the flatness of the adhesive tape during guiding and coating, and the pressing component is used for realizing that the continuous pressure of the external pressing adhesive tape is continuously provided along the surface profile of the pole piece group in the process of coating the adhesive tape by rotating the pole piece group, thereby not only effectively ensuring the good adhesion of the adhesive tape and the pole piece group, but also avoiding the surface wrinkle condition when the adhesive tape is coated by rotating the pole piece group, and effectively ensuring the encapsulating quality. The glue guiding component comprises a glue guiding cylinder, a glue guiding sliding seat and a glue guiding roller, the glue guiding sliding seat is connected to the side wall of the glue guiding support in a sliding mode along the vertical direction, the glue guiding cylinder is vertically arranged, the output end of the glue guiding sliding seat is connected with the glue guiding sliding seat, and the glue guiding sliding seat is driven to move up and down; the rubber guide roller is rotatably connected to the bottom of the rubber guide sliding seat, a gap space is reserved between the rubber guide roller and the bottom of the rubber guide sliding seat, after the rubber belt to be coated passes through the gap space, the rubber belt to be coated is spread on the surface of the rubber guide roller and tensioned by the rubber guide roller, and meanwhile, the rubber guide roller is driven by the rubber guide cylinder to move up and down, so that the tensioning force of the strip-shaped rubber belt can be further adjusted according to the real-time processing condition. The glue pressing component takes a glue pressing support which is horizontally connected on the side wall of the glue guide support as a carrier, a vertical glue pressing support plate which extends vertically and upwards is arranged on the glue pressing support, two glue pressing guide rods are slidably inserted in the vertical direction on the glue pressing support, the upper end and the lower end of each glue pressing guide rod are respectively and horizontally connected with a horizontal glue pressing support plate and a lower glue pressing support plate, the horizontal glue pressing support plate, the glue pressing guide rods and the lower glue pressing support plates form an integral lifting structure, the horizontal glue pressing support plates are movably sleeved on glue pressing connecting rods connected on the vertical glue pressing support plates, the glue pressing connecting rod limits the glue pressing transverse support plate at a certain distance, so that when the glue pressing vertical support plate is not coated with glue, because the lower part is not supported by the pole piece group, the lower part completely falls to the lower part of the pole piece group under the action of self gravity, the bottom of the lower rubber pressing plate is connected with a pressing roll support plate in parallel at intervals, and a pressing roll is rotatably connected between the gaps between the two pressing rolls; under the natural state, the whole structure descends along the glue pressing guide rod and the glue pressing connecting rod under the action of the self gravity of the glue pressing transverse support plate, the glue pressing guide rod, the glue pressing lower support plate, the pressing roller support plate and the pressing roller, the adhesive tape is pressed on the surface of the pole piece group through the pressing roller, when the pole piece group rotates to enable the adhesive tape to wrap along the outline of the pole piece group, along with the height change of a contact point of the pressing roller and the pole piece group, the reaction force of the pole piece group on the pressing roller can also push the structures upwards, the pressing roller can enable the adhesive tape to be pressed on the pole piece group all the time, and the coating quality and the flatness of the adhesive tape are effectively guaranteed. After the coating of the adhesive tape is finished, the adhesive tape is clamped and fixed up and down through the movable clamping jaw and the fixed clamping jaw of the blanking assembly, the pole piece group is sent out for blanking through the driving of the first linear module after being received from the two groups of rubber coating assemblies, meanwhile, the blanking rotary motor is used for driving the blanking rotary seat to rotate, so that the pole piece group can be driven to rotate for 90 degrees and sent out, the height of the pole piece group in the vertical direction when the material is received and fed is adjusted through the blanking lifting module, and the automatic material receiving and rotary feeding are realized.
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 (9)

1. The utility model provides a platform circulation supply formula lamination production line which characterized in that: the laminating machine comprises a laminating mechanism (2), a laminating platform (3), a driving mechanism (4), a lifting mechanism (5), a sliding rail (6) and a rubber coating blanking mechanism, wherein the sliding rail (6) comprises an upper sliding rail and a lower sliding rail which are arranged in parallel at intervals along the vertical direction, lifting stations are respectively arranged at the upper and lower corresponding positions of the two sides of the upper sliding rail and the lower sliding rail, a laminating station is arranged on the upper sliding rail, and a blanking station is arranged at one end of the lower sliding rail; the lamination platform (3) is slidably arranged on the slide rail (6) and is driven by a conveyor belt at the side part of the slide rail (6) to move linearly; the lifting mechanisms (5) comprise two sets which are respectively arranged at the lifting stations at the two sides, and the lifting mechanisms (5) are used for receiving the lamination platforms (3) and driving the lamination platforms (3) to transfer between the upper slide rail and the lower slide rail; the driving mechanism (4) is arranged at the lamination station, the lamination mechanism (2) is arranged above the lamination station, the driving mechanism (4) positions and jacks the lamination platform (3), the lamination of the lamination platform (3) is opened, and the diaphragm is pressed in the lamination process; the rubber coating and blanking mechanism is arranged on the outer side of a blanking station, the lamination platform (3) transfers the pole piece group to the blanking station, and the rubber coating and blanking mechanism coats the rubber paper outside the pole piece group and carries out blanking;
the driving mechanism further comprises a film pressing assembly;
the film pressing assembly comprises a film pressing support plate, a film pressing motor, a film pressing support, a horizontal transmission part, a lifting transmission part and a film pressing sheet, wherein the film pressing support plate is vertically arranged; the film pressing motor is arranged on the side part of the film pressing support plate; the film pressing support is arranged at the upper part of the film pressing support plate, a transmission shaft is rotatably inserted in the film pressing support, and the transmission shaft is connected with the output end of a film pressing motor through a transmission belt; the horizontal transmission component, the lifting transmission component and the film pressing sheet comprise two sets which are respectively arranged above two ends of the transmission shaft, and the horizontal transmission component and the lifting transmission component are connected with the transmission shaft through cam components; the film pressing sheets are connected with the horizontal transmission component and the lifting transmission component, the rotating power of the transmission shaft is transmitted to the horizontal transmission component and the lifting transmission component through the cam component, and the horizontal transmission component and the lifting transmission component drive the film pressing sheets to compress or loosen the diaphragms on the lamination platform from the horizontal direction and the vertical direction.
2. The flat fed lamination line of claim 1, wherein: the lamination platform (3) comprises a platform support (31), a lamination support plate (35) and a pressing assembly, wherein the platform support (31) is horizontally arranged, two sides of the bottom of the platform support (31) vertically extend downwards and are provided with platform sliding seats (32), and the platform sliding seats (32) are connected to the sliding rails (6) in a sliding manner; the lamination support plate (35) is horizontally arranged above the platform support (31), and the positive plates, the diaphragms and the negative plates are alternately stacked on the lamination support plate (35) until a plate group is formed; the bottom of the laminated support plate (35) is vertically connected with at least two guide posts (34), and the guide posts (34) can be slidably inserted on the platform support (31); the material pressing assemblies comprise two groups, the two groups of material pressing assemblies are respectively arranged on the left side and the right side of the platform support (31), and the material pressing assemblies compress the pole piece groups on the lamination support plate (35) from the outer side.
3. The flat fed lamination line of claim 2, wherein: the driving mechanism (4) comprises a driving support plate (41), a jacking assembly, a cutting assembly and a film pressing assembly, wherein the driving support plate (41) is horizontally arranged, unit slide rails (42) are arranged on the left side and the right side of the driving support plate (41) at intervals in parallel, the unit slide rails (42) are butted with the slide rails (6), and a linear slide seat at the bottom of the platform support (31) is slidably embedded on the unit slide rails (42); the jacking assembly is arranged below the driving support plate (41) and vertically penetrates through the driving support plate (41) upwards, outputs upward power to the laminated support plate (35), and drives the laminated support plate (35) to move up and down; the cutting assemblies comprise two groups, the two cutting assemblies are respectively arranged on the left side and the right side of the driving support plate (41) and are arranged corresponding to the pressing assemblies up and down, and the cutting assemblies output upward power to the pressing assemblies to enable the pressing assemblies to move upwards and rotate to open; the film pressing assemblies comprise two groups, the two groups of film pressing assemblies are respectively arranged on the left side and the right side of the driving support plate (41), and the film pressing assemblies compress diaphragms on the lamination support plate (35) from the outer side and the upper side.
4. The flat fed lamination line of claim 1, wherein: the lifting mechanism (5) comprises a lifting support (51), a lifting motor (52) and a lifting sliding seat (53), wherein the lifting support (51) is vertically arranged, a screw rod is vertically arranged in the middle of the lifting support (51), two ends of the screw rod are respectively and rotatably connected to a bottom plate and a top plate of the lifting support (51), and two linear sliding rails are vertically arranged on one side wall of the lifting support (51); the lifting motor (52) is arranged on a bottom plate of the lifting support (51), and an output shaft is connected with the screw rod through a transmission belt; the lifting slide seat (53) is connected to the linear slide rail in a sliding mode, the side portion of the lifting slide seat (53) is in threaded connection with the screw rod through the screw rod seat, the lifting motor (52) drives the screw rod to rotate, and the screw rod drives the lifting support (51) to move up and down through the screw rod seat.
5. The flat fed lamination line of claim 1, wherein: the rubber coating and blanking mechanism comprises a rubber guiding and pressing component (7), a rubber coating component (8) and a blanking component (9), wherein the blanking component (9) is arranged on the side of a blanking station along the linear direction; the rubber coating components (8) are arranged between the blanking station and the blanking component (9) along the direction vertical to the sliding rail (6), the rubber coating components (8) comprise two groups which are respectively symmetrically arranged along the direction of the sliding rail (6), and the two groups of rubber coating components (8) clamp the pole piece groups from two sides and drive the pole piece groups to rotate; the glue guiding and pressing assembly (7) is erected above the glue coating assembly (8), the adhesive tape penetrates through the glue guiding and pressing assembly (7), is tensioned and pressed on the surface of the pole piece group, and presses the adhesive tape tightly and presses the adhesive tape along the outer contour of the pole piece group along with the rotary motion of the pole piece group; the blanking assembly (9) clamps the encapsulated pole piece group and blanks.
6. An endless lamination process for a platform endless feed lamination line according to claim 1, comprising the process steps of:
s1, empty platform supply: after the pole piece group which is laminated on the laminating platform is taken out at the blanking station, the empty laminating platform moves to a lifting mechanism along a lower slide rail, the lifting mechanism transfers the laminating platform to an upper slide rail, and the laminating platform moves to the laminating station along the upper slide rail;
s2, positioning and jacking the platform: the lamination platform in the step S1 provides upward power through a platform support of the lamination platform at the lamination station through a driving mechanism to position the lamination platform, and a lamination support plate above the platform support is upwards jacked to be close to the lamination mechanism;
s3, lamination: after the lamination platform is jacked in place in the step S2, the positive and negative pole pieces are overlapped on the lamination platform in a staggered manner by the lamination mechanism, and diaphragms are inserted and covered between the positive and negative pole pieces;
s4, platform blanking: after the pole pieces on the lamination platform are laminated in the step S3, a pole piece group is formed, the driving mechanism retracts downwards, the lamination support plate descends, the lamination platform moves linearly to a descending station on the upper slide rail, is transferred to the lower slide rail through the lifting mechanism, and moves linearly to a blanking station along the lower slide rail;
s5, material clamping and rubber coating: after the lamination platform in the step S4 moves to the blanking station, the lamination platform releases the pole piece group, the encapsulation component of the encapsulation blanking mechanism clamps the pole piece group, and the empty lamination platform retracts in the step S1; after the rubber guiding and pressing assembly of the rubber coating blanking mechanism guides the rubber belt out and presses and covers the pole piece group, the rubber coating assembly drives the pole piece group to rotate so that the rubber belt is coated on the surface of the pole piece group;
s6, cutting the adhesive tape: after the pole piece group adhesive tape is coated in the step S5, cutting the adhesive tape by a cutter;
s7, blanking of the pole piece group: and (4) clamping the pole piece group subjected to the encapsulation in step S6 by a blanking assembly of the encapsulation blanking mechanism, loosening the pole piece group by the encapsulation assembly, and moving and blanking the pole piece group by the blanking mechanism.
7. The cyclic lamination process of the platform cyclic supply type lamination production line according to claim 6, wherein: and S3, when laminating, the diaphragm belts inserted between the positive and negative pole pieces are pressed from the outside and the upper part through two groups of film pressing assemblies of the driving mechanism arranged at the laminating station.
8. The cyclic lamination process of the platform cyclic supply type lamination production line according to claim 6, wherein: when the lamination is performed in the step S3, the pressing assembly of the lamination platform is lifted upwards through the cutting assembly of the driving mechanism and rotated to the outer side of the lamination platform, so as to perform lamination; when the lamination platform drives the electrode plate group to be discharged in the step S4, the material cutting assembly drives the material pressing assembly to rotate and return to the position above the lamination platform, upward jacking force is released, and the material pressing assembly automatically compresses the electrode plate group under the action of internal elastic force.
9. The cyclic lamination process of the platform cyclic supply type lamination production line according to claim 6, wherein: when the pole piece group is clamped by the glue-coating component in the step S5 to rotate, the glue-guiding and glue-pressing component presses the adhesive tape on the surface of the pole piece group under the action of self gravity, and the rotary reaction force of the pole piece group overcomes the action of gravity to push the glue-guiding and pressing component to rise, so that the pole piece group keeps in a glue-pressing state in the rotating process.
CN202210000729.3A 2022-01-04 2022-01-04 Platform circulation supply type lamination production line and circulation lamination process thereof Active CN114024041B (en)

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