CN113241472A - Lithium battery composite process winding machine and processing method - Google Patents

Lithium battery composite process winding machine and processing method Download PDF

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Publication number
CN113241472A
CN113241472A CN202110661774.9A CN202110661774A CN113241472A CN 113241472 A CN113241472 A CN 113241472A CN 202110661774 A CN202110661774 A CN 202110661774A CN 113241472 A CN113241472 A CN 113241472A
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CN
China
Prior art keywords
head
pole piece
feeding
composite
cylinder
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CN202110661774.9A
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Chinese (zh)
Inventor
倪军
陈里鹏
刘乔
陈伟
夏光荣
王艺若
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Anmai Times Intelligent Manufacturing Ningde Co ltd
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Anmai Times Intelligent Manufacturing Ningde Co ltd
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Priority to CN202110661774.9A priority Critical patent/CN113241472A/en
Publication of CN113241472A publication Critical patent/CN113241472A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/04Construction or manufacture in general
    • H01M10/0404Machines for assembling batteries
    • H01M10/0409Machines for assembling batteries for cells with wound electrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/058Construction or manufacture
    • H01M10/0587Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing 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)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

The invention provides a lithium battery composite process winder and a processing method thereof, which comprises a frame and a pair of pole piece unwinding mechanisms arranged at two sides of the frame and used for releasing a positive pole piece and a negative pole piece, wherein a diaphragm unwinding mechanism used for guiding a diaphragm is arranged at one side of each pole piece unwinding mechanism, the pole piece unwinding mechanism at one side is subjected to surface rubberizing by a corner rubberizing mechanism and then is jointed with the diaphragm guided out by the diaphragm unwinding mechanism at the other side, the pole piece unwinding mechanism at the other side is jointed with the diaphragm guided out by the diaphragm unwinding mechanism at the other side and then enters a composite mechanism to be guided out to form a blank B, the blank A and the blank B are synchronously output and wound on a winding head, the composite mechanism is designed to respectively compound a cathode and an anode with the diaphragm by a composite process, four materials are changed into two materials and then are wound, and the tension control is easier than the original tension control, can realize low tension control, and efficiency is higher.

Description

Lithium battery composite process winding machine and processing method
Technical Field
The invention relates to a winding machine for a lithium battery composite process and a processing method.
Background
In the winding machine in the prior industry, a cathode pole piece, an anode pole piece and two layers of diaphragms are collected to a winding needle through rollers respectively for winding. A series of problems that the four materials are difficult to control tension, poor in deviation rectification alignment degree and the like exist when the four materials are gathered together through a plurality of rollers, and therefore the quality of an electric core product is poor and the consistency of the product is poor.
Disclosure of Invention
The invention improves the problems, namely the technical problem to be solved by the invention is to realize the compounding of the cathode pole piece, the anode pole piece and the diaphragm of the lithium battery, and then to wind the compound. Belongs to a lithium battery winding machine with a brand new process. The machine comprises a pole piece unwinding mechanism, a diaphragm unwinding mechanism, a corner adhesive tape pasting mechanism, a feeding mechanism, a composite mechanism, a head adhesive tape pasting mechanism, a CCD visual inspection mechanism, a buffer memory mechanism, a deviation correction mechanism, a winding head, a tail adhesive tape pasting mechanism, a discharging mechanism, a pre-pressing mechanism, a discharging pull belt, tension control and the like.
The specific embodiment of the invention is as follows: the lithium battery compound process winding machine comprises a rack and a pair of pole piece unwinding mechanisms arranged on two sides of the rack and used for releasing a positive pole piece and a negative pole piece, wherein a diaphragm unwinding mechanism used for guiding a diaphragm is arranged beside each pole piece unwinding mechanism, the pole piece unwinding mechanism on one side is subjected to surface rubberizing by a corner rubberizing mechanism and then enters a compound mechanism to be guided out to form a blank A after being laminated with the diaphragm guided out by the diaphragm unwinding mechanism on the other side, the pole piece unwinding mechanism on the other side enters a compound mechanism to be guided out to form a blank B after being laminated with the diaphragm guided out by the diaphragm unwinding mechanism on the other side, and the blank A and the blank B are synchronously output and wound on a winding head.
Furthermore, the corner adhesive tape pasting mechanism comprises a conveying roller for inputting the pole piece, a corner adhesive tape preparing mechanism which is arranged beside the conveying roller and used for outputting an adhesive tape, and a pair of corner adhesive tape tracing structures for pasting the adhesive tape on the upper surface and the lower surface of the pole piece; the corner tracing and pasting structure comprises a tracing and pasting fixed plate positioned at the side of the pole piece, negative pressure adsorption plates which are positioned above and below the pole piece and can adsorb adhesive tapes are arranged on the tracing and pasting fixed plate, each negative pressure adsorption plate is driven by a transverse driving device to move along the conveying direction of the pole piece, the negative pressure adsorption plates are fixed on a tracing and pasting transverse bracket which can move longitudinally,
furthermore, the corner glue preparation mechanism comprises a corner glue preparation fixing plate positioned at the side of the pole piece, a pair of corner glue tray mounting discs which are respectively arranged at the upper part and the lower part of the pole piece and used for placing a glue tray are fixed on the glue preparation fixing plate, a corner glue preparation roller for winding a glue tape is arranged at the side of each corner glue tray mounting disc, a cutting knife which is driven by a cutting knife cylinder fixed by the glue preparation fixing plate to move up and down is also arranged at the discharge end of the corner winch mounting disc, a glue pulling pneumatic clamping jaw is arranged at the front side of the cutting knife, the glue drawing pneumatic clamping jaw is fixed on a glue drawing sliding block, the glue preparing fixing plate is provided with an electric lead screw for driving the glue drawing sliding block to move, a bearing plate which is fixed on the glue preparation fixing plate and used for bearing the adhesive tape is arranged between the cutter and the corner glue preparation roller, and a corner adhesive tape pressing plate is arranged above the bearing plate and is driven by a pressing plate cylinder fixed on the adhesive-preparing fixing plate.
Furthermore, a moving end of the transverse driving device is fixed with a tracking moving plate, a pair of tracking vertical linear guide rails is fixed on the tracking moving plate, a vertical guide groove in sliding fit with the tracking vertical linear guide rails is arranged behind the tracking transverse support, a convex shaft is fixed on the tracking transverse support, the convex shaft is limited in a track groove of the tracking fixed plate, a groove-shaped frame is fixed on the tracking fixed plate, the track groove is positioned on the groove-shaped frame and faces the tracking transverse support, the track groove comprises a high position far away from the pole piece and a low position close to the pole piece, in the process of driving the tracking transverse support to move transversely by the transverse driving device, the tracking transverse support moves up and down on the tracking vertical linear guide rails by the movement of the convex shaft in the track groove, the negative pressure adsorption plate at the upper part or the lower part of the pole piece is provided with a pair of negative pressure adsorption cylinders which are respectively fixed on different telescopic ends of the negative pressure adsorption cylinders, the utility model discloses a pole piece, including negative pressure adsorption plate, fixed plate cylinder, adjustable slide block, adjustable cylinder, adjustable lead screw motor drive lateral shifting's adjustable cylinder is provided with on the fixed plate by adjustable lead screw motor, adjustable cylinder's flexible end has the adjustable plug axle that can stretch into in the adjustable slide block.
Further, the compound mechanism comprises a compound support seat and a compound frame arranged on the compound support seat, an upper compound roller and a lower compound roller are arranged in the compound frame at intervals from top to bottom, the lower compound roller is fixedly arranged on the compound frame, two ends of the upper compound roller are arranged on compound sliding blocks, a sliding groove for accommodating the compound sliding blocks is vertically formed in the compound frame, a compound air cylinder is vertically arranged above the sliding groove on the support, the tail end of a compound air cylinder rod of the compound air cylinder is connected with the compound sliding blocks, a wedge block adjusting mechanism for adjusting the gap between the upper compound roller and the lower compound roller is arranged below the compound sliding blocks in the sliding groove, and the compound sliding blocks are erected on the wedge block adjusting mechanism; an upper gear and a lower gear which can be in meshed transmission are respectively arranged at one end part of the upper composite roller and one end part of the lower composite roller, one end of the lower composite roller is in connected transmission with a composite roller motor, two ends of the lower composite roller are fixedly arranged on a composite frame through bearing seats, and the upper composite roller is fixedly arranged on a composite sliding block through the bearing seats.
Furthermore, the wedge block adjusting mechanism comprises a longitudinally-arranged composite screw rod and a wedge block which is arranged on the composite screw rod and is in threaded fit with the composite screw rod, the upper surface of the wedge block and the lower surface of the composite slide block are inclined planes, the composite screw rod is rotatably connected with the composite frame, the composite frame is arranged at the rear end of the composite screw rod in a penetrating mode, a handle is arranged at the rear end of the composite screw rod, or the rear end of the composite screw rod is connected with a motor of the adjusting composite roller for transmission, and the wedge block is erected on a bearing seat of the lower composite roller.
Furthermore, electric heaters are installed in the upper composite roller and the lower composite roller, a gap between the upper composite roller and the lower composite roller forms a pole piece composite interval, a feeding guide plate is horizontally installed on the composite frame on the input side of the pole piece composite interval, and the input end of the feeding guide plate inclines downwards to form an input guide surface.
Further, the output end of the blank A is provided with a pole piece head rubberizing device, the pole piece head rubberizing device comprises a head rubberizing adhesive tape unwinding mechanism, a head rubberizing preparation mechanism, a head rubberizing cutting mechanism and a head rubberizing pulling mechanism which are sequentially arranged on a base plate from left to right, and the head rubberizing mechanism is arranged above the base plate between the head rubberizing cutting mechanism and the head rubberizing pulling mechanism; the head rubberizing and glue-preparing mechanism comprises a head rubberizing roller A and a head rubberizing roller B which are sequentially arranged, a head rubberizing and glue-drawing roller is arranged between the head rubberizing roller A and the head rubberizing roller B, the head rubberizing and glue-drawing roller is installed on a head rubberizing sliding block, a head rubberizing and glue-drawing head rubberizing vertical guide rail is installed on a base plate, the head rubberizing sliding block is in sliding fit with the head rubberizing and glue-drawing head rubberizing vertical guide rail, a head glue-preparing vertical cylinder is installed on the upper side or the lower side of the head rubberizing sliding block, and the sliding block is installed at the tail end of a cylinder of the head glue-preparing vertical cylinder;
the head rubberizing mechanism comprises a head rubberizing lifting seat, a clamping cylinder A and a head rubberizing cylinder, wherein the clamping cylinder A and the head rubberizing cylinder are sequentially arranged on the head rubberizing lifting seat from left to right;
the head rubberizing and glue drawing mechanism comprises a head rubberizing transverse moving seat, a clamping cylinder B and a head rubberizing side-pushing cylinder, wherein the clamping cylinder B and the head rubberizing side-pushing cylinder are arranged on the head rubberizing transverse moving seat at an upper-lower interval;
a driving device for driving the head rubberizing transverse moving seat to transversely move is transversely arranged on the substrate;
the head rubberizing mechanism comprises a support and a glue sucking roller transversely arranged on the support, a plurality of sucking holes are formed in the glue sucking roller, a servo motor is arranged on the support, and one end of the glue sucking roller is in transmission connection with an output shaft of the servo motor.
Furthermore, a pole piece straight feeding mechanism for guiding pole piece feeding is arranged on one side of the feeding end of the composite mechanism, and comprises clamping and feeding components and a feeding and cutting component which are arranged on the rack at intervals left and right, wherein the clamping and feeding components are installed on the rack through a first transverse moving mechanism, and the feeding and cutting component is installed on the rack through a second transverse moving mechanism;
the clamping and conveying assembly comprises a feeding fixed frame A and a lifting frame A which is installed at the lower end of the feeding fixed frame A and is in sliding fit with the feeding fixed frame A, a feeding conveying roller A is installed in the feeding fixed frame A, a feeding conveying roller B is arranged below the feeding conveying roller A, the feeding conveying roller B is fixedly installed on the upper side face of the lifting frame A, a feeding lifting cylinder A for driving the lifting frame to lift is vertically installed in the middle of the bottom end of the feeding fixed frame A, a horizontal upper clamping plate and a horizontal lower clamping plate are arranged on the output side of the clamping and conveying assembly at an upper interval and a lower interval, and the horizontal upper clamping plate and the horizontal lower clamping plate are fixedly installed on the feeding fixed frame and the lifting frame respectively;
pan feeding cutting assembly is including last blade holder, cutting backup pad, the lower fixing base that from top to bottom interval set up, cutting backup pad output side is provided with pan feeding activity cutter, goes up blade holder rear end fixed mounting and has fixed cutter, installs the fixed cutter of drive on the lower fixing base and goes up and down in order to cut off the driving piece of pole piece.
Furthermore, a feeding guide rail is transversely arranged on the rack; the first transverse moving mechanism comprises a left moving seat and a clamping and conveying linear sliding table for driving the left moving seat to transversely move, the clamping and conveying linear sliding table is fixedly arranged on the rack, the left moving seat is fixedly arranged at the sliding end of the clamping and conveying linear sliding table, and the left moving seat is in sliding fit with the feeding guide rail; the two transverse moving mechanisms comprise a feeding transverse moving cylinder and a right moving seat, the feeding transverse moving cylinder is fixedly arranged on the rack, the tail end of a cylinder rod of the feeding transverse moving cylinder is connected with the right moving seat, and the right moving seat is in sliding fit with the feeding guide rail;
a feeding base is arranged at the upper end of the left moving seat, a deviation correcting component and a clamping and conveying component are sequentially arranged at the lower end of the feeding base along a conveying direction, a feeding fixing frame A is fixedly arranged on the feeding base, the correcting component comprises a feeding fixed frame B, a lifting frame B which is installed at the lower end of the feeding fixed frame B and is in sliding fit with the feeding fixed frame B, feeding conveying rollers C are installed in the feeding fixed frame B, feeding conveying rollers D are arranged below the feeding conveying rollers C, the feeding conveying rollers D are fixedly installed on the upper side face of the lifting frame B, a feeding lifting cylinder B which drives the lifting frame to lift is vertically installed in the middle of the bottom end of the feeding fixed frame B, a feeding correcting feeding guide rail is installed at the lower end of a feeding base along the longitudinal direction, the feeding correcting feeding guide rail on the feeding fixed frame B is in sliding fit with the feeding correcting feeding guide rail, a correcting linear sliding table is installed at the upper end of the feeding base along the longitudinal direction, and the feeding fixed frame B is fixedly connected with the sliding end of the correcting linear sliding table.
Further, the winding head comprises a direct-drive three-winding-needle winding head device, and is characterized in that: the winding turret is rotatably connected with the winding machine base, and three direct-drive winding needle devices are uniformly arranged in the brick tower along the circumference of the axis of the brick tower;
the direct-drive needle winding device comprises a needle winding mechanism, a sliding block, a spline shaft and a spline motor which are sequentially arranged from front to back, wherein the spline motor is a through motor, the spline motor is fixedly arranged on a winding turret, the spline motor is sleeved at the rear end of the spline shaft, the spline motor is directly connected with the spline shaft through a spline outer barrel, the needle winding mechanism is fixedly arranged at the front end of the spline shaft, the middle part of the sliding block is sleeved at the front part of the spline shaft, and the sliding block is fixedly arranged on the spline shaft through a bearing seat;
the needle pulling mechanism comprises a winding linear sliding table and a mounting seat, the winding linear sliding table is axially arranged, the mounting seat is mounted at the moving end of the winding linear sliding table, a sliding seat and a needle pulling cylinder are sequentially arranged on the mounting seat from inside to outside along the radial direction, the sliding seat is in sliding fit with the mounting seat through a radial guide rail, the outer end of the sliding seat is connected with the tail end of a cylinder rod of the needle pulling cylinder, and a shifting rod capable of shifting a sliding block is mounted at the inner end of the sliding seat;
the rear end of the winding turret is provided with a ring gear which is coaxial with the winding turret, the winding machine base is provided with a winding turret motor, and an output shaft of the winding turret motor is provided with a driving gear which is in meshing transmission with the ring gear;
linear bearings are axially arranged at two ends of the sliding block, a winding guide shaft penetrates through the linear bearings, and the winding guide shaft is fixedly arranged in the winding turret;
roll up needle mechanism including rolling up the needle file, roll up the needle subassembly, roll up the needle tailstock, roll up the needle subassembly and insert respectively and roll up the needle file and roll up the needle tailstock, roll up the needle subassembly and include first outer book needle, the outer book needle of second, first outer book needle and the outer book needle of second are placed 180 on same circumference, be equipped with first internal pressure needle in the first outer book needle, be equipped with second internal pressure needle in the outer book needle of second, roll up the needle tailstock including coiling the fixing base, coiling fixing base and integral key shaft front end fixed connection, be equipped with the sliding block that can slide in the coiling the fixing base, first outer book needle and second internal pressure needle all are fixed in the coiling fixing base, first internal pressure needle and the outer book needle of second all are fixed in the sliding block, be equipped with the gliding driving piece of control sliding block in the coiling.
The invention also comprises a winding processing method for the lithium battery composite process, which utilizes the lithium battery composite process winding machine and is characterized in that: the method comprises the following steps:
(1) the pole pieces are released from the two pole piece unreeling mechanisms, the pole pieces released from one of the pole piece unreeling mechanisms pass through the corner rubberizing mechanism, the corner rubberizing mechanism enables a wound adhesive tape to be sleeved on the corner adhesive disc mounting disc, the adhesive tapes are symmetrically arranged above and below the pole pieces, the end part of the adhesive tape passes through the bearing plate and the cutter after bypassing the corner adhesive tape preparation rubber roll and then is clamped by the adhesive pulling pneumatic clamping jaw, the adhesive pulling pneumatic clamping jaw moves towards the pole piece direction under the driving of the electric lead screw, and the displacement distance pulled out by the adhesive pulling pneumatic clamping jaw meets the preset length;
(2) the lower surface of the negative pressure adsorption plate is provided with a negative pressure hole communicated with a negative pressure pump, the adhesive tape between the adhesive pulling structure and the cutter can be adsorbed through negative pressure, after the adhesive tape is cut off by the cutter, the distance adjusting lead screw motor independently controls the movement of the distance adjusting cylinder, when distance adjustment is needed, the distance adjusting insertion shaft is inserted into the distance adjusting hole under the driving of the distance adjusting cylinder, and then the distance adjusting lead screw motor moves so as to adjust the distance adjusting slide block to move on the distance adjusting guide rail and further control the distance between two adjacent negative pressure adsorption plates;
(3) after the distance adjustment is finished, the transverse driving device drives the pole pieces to move along the output direction of the pole pieces, the pole pieces are subjected to equidirectional accelerated follow-up pasting while moving, when the protruding shaft is located at the low position of the track groove, the negative pressure adsorption plates above and below the pole pieces are symmetrically pressed to tightly press the adhesive tapes on the pole pieces, and then the negative pressure adsorption plates reset.
(4) The pole piece discharged by corner rubberizing is output through the pole piece straight feeding mechanism, the pole piece released from the pole piece unreeling mechanism on the other side is directly output through the pole piece straight feeding mechanism, when the pole piece straight feeding mechanism feeds materials, the deviation rectifying assembly firstly clamps the pole piece to convey the pole piece, meanwhile, the longitudinal position of the pole piece is adjusted to ensure that the pole piece accurately passes through the conveying space between the horizontal upper clamping plate and the horizontal lower clamping plate without deviation, and after the head of the pole piece is conveyed to the outer end of the horizontal upper clamping plate to reach a set distance, the clamping assembly clamps the pole piece; then, the first transverse moving mechanism sends the pole piece to a feeding cutting assembly in a straight manner, and the head end of the pole piece enters a composite device; then, the pole piece is not clamped by the clamping and conveying assembly and the deviation correcting assembly, and the first transverse moving mechanism drives the clamping and conveying assembly and the deviation correcting assembly to transversely move and reset; then, the feeding cutting assembly cuts off the pole piece, so that feeding of the pole piece is completed at one time;
(5) the feeding of the pole piece straight feeding mechanism on two sides and the diaphragm released by the diaphragm unwinding mechanism are combined to form a blank A and a blank B respectively through a composite mechanism;
(6) and the output end of the blank A is provided with a pole piece head rubberizing device, and the pole piece head rubberizing device and the blank B are output and wound on a winding head.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention designs the composite mechanism, and after the cathode and the anode are respectively compounded with the diaphragm through the composite process, the four materials are changed into two materials and then are wound, the tension control is easier than the original tension control, and the low tension control can be realized.
2. The corner adhesive sticking method adopts a sticking process, after the adhesive sticking structure can be prepared, the upper corner adhesive and the lower corner adhesive are simultaneously pressed and separated after the movement speed of the adhesive sticking structure is accelerated to reach the same movement speed as that of a pole piece, so that the whole adhesive sticking process is completed, and the method is simple in structure and high in efficiency. The production takt time is saved, and the production efficiency is improved.
3. The compound mechanism of pole piece can be according to the supplied material thickness difference, through the clearance of compound roller about voussoir adjustment mechanism adjusts, through compound cylinder drive compound roller uplift push down, compound pressure size is adjustable
4. The head rubberizing structure realizes the rubberizing function of the pole piece and diaphragm composite rear pole piece side, ensures that the head part of the pole piece and diaphragm composite does not separate when passing through a roller, and utilizes a servo motor to draw glue, so that the glue drawing speed can be controlled, and the deformation of the adhesive tape is effectively prevented; meanwhile, the pulling action of the adhesive tape with any length in the stroke range can be realized.
5. After the novel process is adopted, the problems of the alignment degree of a plurality of pole piece diaphragms, lithium precipitation of a battery cell and the like are solved in the unreeling process of the pole piece attaching process.
6. In the lithium battery composite process, an anode sheet is required. And feeding the pole piece and the diaphragm into a compounding device, applying a certain pressure to the pole piece and the diaphragm by the compounding device for pasting and compounding, and feeding the pole piece and the diaphragm to a winding device for winding after compounding. In the process of winding the battery core of the lithium battery, the pole pieces are cut off after one battery core is wound, the next pole piece is fed to the compounding station to prepare for winding of the next battery core, and the feeding of the compounding station is different from the traditional winding feeding. Therefore, how to feed the pole piece needs to be correspondingly designed to be matched with the composite device.
Drawings
FIG. 1 is a schematic view of the overall structure of a lithium battery composite process winder of the present invention.
FIG. 2 is a schematic view of the overall structure of the corner gluing device of the present invention.
FIG. 3 is a schematic diagram of a glue preparing mechanism of the corner gluing device of the present invention.
FIG. 4 is a partial structural view of a cutter portion of a glue preparation mechanism of the corner gluing device according to the present invention.
FIG. 5 is a back schematic view of a glue preparation mechanism of the corner gluing device of the present invention.
FIG. 6 is a schematic view of a corner adhesive applying device according to the present invention.
FIG. 7 is a partial structure diagram of a corner adhesive applying device according to the present invention.
FIG. 8 is a rear side view of the following structure of the corner tape dispenser according to the present invention.
Fig. 9 is a first structural schematic diagram of the head rubberizing mechanism.
Fig. 10 is a second structural view of the head part coating.
Fig. 11 is a schematic structural view of the head glue cutting mechanism.
Fig. 12 is a schematic structural view of a head rubberizing and glue pulling mechanism.
FIG. 13 is a schematic structural diagram of a pole piece flat feeding mechanism.
Fig. 14 is a schematic view of the mounting structure of the first and second traverse mechanisms of the pole piece straight feeding mechanism.
FIG. 15 is a schematic view of the installation structure of the deviation rectifying assembly and the pinch assembly of the pole piece straight feeding mechanism.
FIG. 16 is a schematic view of a feeding and cutting assembly of a pole piece flat feeding mechanism.
FIG. 17 is a schematic structural diagram of a detection assembly of a pole piece flat feeding mechanism.
FIG. 18 is a schematic structural diagram of a composite mechanism of a pole piece straight feeding mechanism.
Fig. 19 is a first structural schematic diagram of the winding head device.
Fig. 20 is a second schematic structural view of the winding head device.
Fig. 21 is a schematic structural diagram of a winding head direct-drive needle winding device.
Fig. 22 is a structural sectional view of the winding head direct-drive needle winding device.
Fig. 23 is a schematic structural view of a needle winding mechanism of the winding head.
In the figure: in the figure: 100-a frame; 101-pole piece unwinding mechanism; 102-a membrane unwinding mechanism; 103-corner gluing mechanism; 104-a compound mechanism, 105-a head gluing mechanism, 106-a pole piece straight feeding mechanism and 107-a winding head;
110-corner glue-preparing fixed plate, 120-corner glue disc mounting plate, 130-corner glue-preparing roller, 140-cutter, 141-cutter cylinder, 150-glue-pulling pneumatic clamping jaw, 151-glue-pulling sliding block, 160-bearing plate, 161-corner tape pressing plate, 162-pressing plate cylinder, 210-tracing fixed plate, 220-tracing movable plate, 221-tracing vertical linear guide rail, 230-tracing transverse support, 231-convex shaft, 240-groove-shaped frame, 241-rail groove, 250-negative pressure adsorption plate, 1310-distance adjusting guide rail, 1320-distance adjusting sliding block, 1321-distance adjusting hole, 1330-distance adjusting cylinder and 1340-distance adjusting lead screw motor.
32-a first traversing mechanism; 3201-left moving seat; 3202-pinch linear slide; 33-a second traversing mechanism; 3301-right movable seat; 3302-feeding and traversing cylinder; 34-a deviation rectifying component; 3401-correcting a straight sliding table; 3402-feeding fixed frame B; 3403-lifting frame B; 3404-feeding lifting cylinder B; 3405-feeding conveying roller C; 3406-feeding conveying roller D; 3407-feeding deviation-rectifying feeding guide rail; 35-a pinch assembly; 3501-feeding conveyer roller A; 3502-feeding roller B; 3503-feeding lifting cylinder A; 3504-feeding the fixed frame A; 3505-lifting frame A; 3506-horizontal lower splint; 3507-horizontal upper splint; 36-a detection component; 3601-a feeding frame body; 3602-feeding longitudinal screw rods; 3603-a nut; 3604-pole piece edge fixing plate; 3605, detecting a mounting plate; 3606-detecting a laser sensor; 3607-a tab guide plate; 37-a feeding and cutting assembly; 3701-lower fixed seat; 3702-upper tool apron; 3703-cutting the supporting plate; 3704-feeding movable cutters; 3705-a lifting knife holder; 3706-outer guide bar; 3707-cutting the linear slide; 3708-drive block; 3709-arc shaped drive slots; 3710-upper driving rod; 3711-lower drive rod; 3712-linkage plate; 3713-feeding inner guide rod; 3714-feeding vertical guide rod; 3715-spring; 38-feeding guide rail; 39-feeding base; 310-upper dust extraction longitudinal pipe; 311-lower dust extraction vertical pipe.
41-composite supporting seat; 42-a composite frame; 43-upper compound roll; 44-lower compound roll; 45-compound roller motor; 46-lower gear; 47-upper gear; 48-a compound cylinder; 49-; 410-a composite slider; 411-wedge; 412-composite lead screw; 413-feeding guide plate.
51-a substrate; 52-head rubberizing tape unwinding mechanism; 53-head rubberizing and glue preparing mechanism; 5301-head rubberizing roller A; 5302-head rubberizing roller B; 5303-gluing and drawing rubber rollers on the head; 5304-head rubberizing slider; 5305-gluing the head, pulling the glue and gluing the head to the vertical guide rail; 5306-preparing a glue vertical cylinder at the head; 54-head glue cutting mechanism; 5401 head rubberizing lifting seat; 5402-Clamp Cylinder A; 5403-head rubber cutting cylinder; 5404 head rubberizing and head rubberizing pressing block A; 5405-Upper platen A; 5406-head rubberizing cutter; 5407-vertical guide rail for head rubberizing; 5408-head rubberizing lifting cylinder; 5409-head rubberizing lifting cylinder; 55-head rubberizing and glue pulling mechanism; 5501-head rubberizing traversing seat; 5502-a clamping cylinder B; 5503-head rubberizing side pushes away the cylinder; 5504-head rubberizing briquetting B; 5505-head gluing pressing plate B; 5506-a pressing cylinder; 5507-head rubberizing press roller; 5508-head rubberizing side panels; 5509-head rubberizing transverse guide; 56-head rubberizing mechanism; 5601-a stent; 5602-glue absorbing roller; 5603-servo motor; 5604-jacking cylinder; 5605-slider; 57-head rubberizing cross rails; 58-drive means.
61-a winder base; 62-a winding turret; 6201-a ring gear; 6202-a winding turret motor; 6203-drive gear; 63-direct drive type needle winding device; 6301-needle winding mechanism; 6302-spline shaft; 6303-spline motor; 6304-slider; 6305-linear bearings; 6306-winding guide shaft; 6307-winding the push rod; 6308-spline outer cylinder; 6309-thimble; 6310-winding holder; 6311-return coil spring; 6312-first outer wrap needle; 6313-first internal pressing pin; 6314-second internal pressing pin; 6315-second outer winding needle; 6316-slider; 6317-wrap spring; 6318-rollers; 64-a needle pulling and inserting mechanism; 6401-winding a linear ramp; 6402-mounting seat; 6403-a pin pulling cylinder; 6404-sliding seat; 6405-driving lever; 65-wrong needle mechanism; 6501-rotating the clamping cylinder; 6502-swing arm; 6503-thimble; 66-a front support mechanism; 6601-rotating frame; 6602-connecting shaft; 6603-winding front cylinder; 6604 winding pull rod; 6605-coiling the supporting block; 67-support the feet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the winding machine for the lithium battery composite process includes a frame 100 and a pair of pole piece unwinding mechanisms 101 disposed at two sides of the frame for releasing the positive pole piece and the negative pole piece, a diaphragm unwinding mechanism 102 for guiding a diaphragm is disposed beside each pole piece unwinding mechanism, wherein the pole piece unwinding mechanism at one side is subjected to surface rubberizing by a corner rubberizing mechanism 103, then is bonded with the diaphragm guided out by the diaphragm unwinding mechanism at the other side, and then enters a composite mechanism 104 to be guided out to form a blank a, the pole piece unwinding mechanism at the other side is bonded with the diaphragm guided out by the diaphragm unwinding mechanism at the other side, then enters a composite mechanism to be guided out to form a blank B, and the blank a and the blank B are synchronously output and wound on a winding head
As shown in fig. 2 to 8, the corner adhesive tape attaching device includes a conveying roller for inputting the pole piece, a corner adhesive tape preparing mechanism located beside the conveying roller for outputting the adhesive tape, and a pair of corner attaching structures for attaching the adhesive tape to the upper surface and the lower surface of the pole piece; in this embodiment, the corner glue preparation mechanism is provided with a pair of corner glue preparation mechanisms on the upper surface and the lower surface of the pole piece.
In this embodiment, the corner glue preparation mechanism includes a corner glue preparation fixing plate 110 located beside the pole piece and fixed on the rack, a pair of corner glue tray mounting discs 120 respectively arranged on the upper portion and the lower portion of the pole piece and used for placing a glue tray are fixed on the glue preparation fixing plate, a corner glue preparation roller 130 for winding a glue tape is arranged beside each corner glue tray mounting disc, a cutter 140 for cutting the glue tape is further arranged at the discharge end of the corner winch mounting disc, a glue pulling structure for clamping the end portion of the glue tape is arranged on the front side of the cutter, the glue pulling structure includes a glue pulling pneumatic clamping jaw 150, the glue pulling pneumatic clamping jaw is fixed on a glue pulling slider 151, and an electric lead screw 152 for driving the glue pulling slider to move is arranged on the glue preparation fixing plate. The opposing faces of the glue pneumatic jaws 150 have intermeshing tooth surfaces 153.
In this embodiment, the adhesive preparation fixing plate on the output side of the corner adhesive preparation roll is fixed with the cutter cylinders 141 above and below the pole piece, the cutter 140 is fixed at the telescopic end of the cutter cylinder 141, and the cutting edge of the cutter is perpendicular to the output adhesive tape. In this embodiment, the cutter 140 is fixed on a crank-shaped connecting seat, and the telescopic end of the cutter cylinder 141 is fixedly connected with the cutter through the crank-shaped connecting seat.
In this embodiment, a support plate 160 fixed to the adhesive-preparation fixing plate and used for bearing an adhesive tape is arranged between the cutter and the corner adhesive-preparation roller, a corner adhesive tape pressing plate 161 is arranged above the support plate, the corner adhesive tape pressing plate is driven by a pressing plate cylinder 162 fixed to the adhesive-preparation fixing plate, and the support plate is located above the cutter.
In this embodiment, the attaching structure includes an attaching fixing plate 210 fixed on the frame beside the pole piece, negative pressure absorbing plates 250 disposed above and below the pole piece are disposed on the attaching fixing plate 210, each negative pressure absorbing plate is driven by a transverse driving device 260 to move along the pole piece conveying direction, and the negative pressure absorbing plates are fixed on an attaching transverse support 230 capable of moving longitudinally.
During operation, the wound adhesive tape is sleeved on the corner adhesive tape mounting disc 120, the corner adhesive tape mounting disc 120 is detachably connected with a separation blade used for preventing the adhesive tape from being separated, the adhesive tape is placed above and below the pole piece symmetrically, the end part of the adhesive tape bypasses the corner rubber roll 130 and then passes through the bearing plate and the cutter and then is clamped by the adhesive pulling pneumatic clamping jaw 150, the adhesive pulling pneumatic clamping jaw moves towards the pole piece under the driving of the electric screw 152, and the adhesive pulling pneumatic clamping jaw pulls out the displacement distance to meet the preset length.
At this time, the negative pressure adsorption plate 250 of the glue chasing mechanism adsorbs the adhesive tape, then the corner adhesive tape pressing plate above the bearing plate presses the adhesive tape between the corner adhesive tape pressing plate and the bearing plate 160 under the driving of the pressing plate driving cylinder, then the cutter moves upwards in the cutter cylinder to cut off the adhesive tape, and the adhesive tape is released by the adhesive tape pulling pneumatic clamping jaw 150 and is reset to the position tightly attached to the cutter for subsequent adhesive pulling.
The moving end of the transverse driving device 260 is fixed with a tracing moving plate 220, a pair of tracing vertical linear guide rails 221 is fixed on the tracing moving plate 220, a vertical guide groove in sliding fit with the tracing vertical linear guide rails is formed behind the tracing transverse support 230, a convex shaft 231 is fixed on the tracing transverse support, and the convex shaft is limited in a track groove 241 of the tracing fixing plate.
A groove-shaped frame 240 is fixed on the tracing fixing plate, a track groove 241 is located on the groove-shaped frame 240 and faces to the tracing transverse support, the track groove comprises a high position far away from the pole piece and a low position close to the pole piece, and the tracing transverse support moves up and down in the tracing vertical linear guide rail through the movement of a convex shaft in the track groove in the process of driving the tracing transverse support to move transversely.
In this embodiment, the middle of the track groove 241 is a low position close to the pole piece, and the two ends of the low position are high positions far away from the pole piece.
The negative pressure adsorption plates on the upper or lower part of the pole piece are provided with a pair of negative pressure adsorption plates which are respectively fixed on the telescopic ends of different negative pressure adsorption cylinders 251.
When the negative pressure adsorption plate 250 works, the lower surface of the negative pressure adsorption plate 250 is provided with a negative pressure hole communicated with a negative pressure pump, the adhesive tape between the adhesive pulling structure and the cutter can be adsorbed through negative pressure, after the cutter cuts off the adhesive tape, the transverse driving device drives the adhesive tape to move along the output direction of the pole piece, the pole piece is accelerated to be attached in the same direction while moving, and the negative pressure adsorption plate 250 above and below the pole piece is symmetrically pressed to tightly adhere the adhesive tape on the pole piece when the protruding shaft is positioned at the low position of the track groove 241. Then the negative pressure adsorption plate 250 is reset.
The negative pressure adsorption cylinder 251 can improve the pressing force or adjust the vertical height position of the negative pressure adsorption plate 250.
The transverse driving device 260 may be driven by an electric cylinder, pneumatic or hydraulic, in this embodiment, the transverse driving device 260 adopts an electric screw fixed on the attaching fixing plate 210, and drives the attaching moving plate 220 to move transversely through a telescopic end of the electric screw.
In the embodiment, the pole piece compounding device comprises a compound support seat 41 and a compound frame 42 arranged on the compound support seat, wherein an upper compound roller 43 and a lower compound roller 44 are arranged in the compound frame at intervals from top to bottom, the lower compound roller is fixedly arranged on the compound frame, two ends of the upper compound roller are arranged on a compound slider 410, a chute for accommodating the compound slider is vertically arranged on the compound frame, a compound cylinder 48 is vertically arranged on a bracket above the chute, the tail end of a compound cylinder rod of the compound cylinder is connected with the compound slider, a wedge block adjusting mechanism for adjusting a gap between the upper compound roller and the lower compound roller is arranged below the compound slider in the chute, and the compound slider is erected on the wedge block adjusting mechanism; an upper gear 7 and a lower gear 6 which can be meshed and driven are respectively arranged at one end part of the upper composite roller and one end part of the lower composite roller, and one end of the lower composite roller is connected and driven with a composite roller motor 45.
In this embodiment, two ends of the lower composite roll are fixedly mounted on the composite frame through bearing seats, and the upper composite roll is fixedly mounted on the composite slide block through the bearing seats.
In this embodiment, the wedge adjusting mechanism includes a longitudinally disposed composite screw 412 and a wedge 411 installed on the composite screw and in threaded fit with the composite screw, the upper surface of the wedge and the lower surface of the composite slider are both inclined planes, the composite screw is rotatably connected with the composite frame, the composite frame is inserted through the rear end of the composite screw, a handle is installed at the rear end of the composite screw, or the rear end of the composite screw is in transmission connection with a motor for adjusting the composite roller.
In this embodiment, the wedges ride on the chock of the lower compound roll.
In this embodiment, the upper and lower composite rolls are provided with electric heaters, and the electric heaters are turned on and off as necessary to perform cold compounding or heat compounding.
In this embodiment, a gap between the upper and lower composite rolls forms a pole piece composite zone, a material supply guide plate 413 is horizontally installed on the composite frame at the input side of the pole piece composite zone, and the input end of the material supply guide plate is inclined downward to form an input guide surface.
In this embodiment, the composite support seat and the composite roller motor are both mounted on the frame.
When in use, the clearance between the upper and lower compound rollers is adjusted by the wedge block adjusting mechanism according to the thickness of the supplied materials; then, the incoming materials enter the space between the upper composite roller and the lower composite roller for compounding when arriving through the incoming material guide plate, the upper composite roller and the lower composite roller rotate through the composite roller motor and the upper gear and the lower gear, and the compounding pressure is adjusted through the composite air cylinder during compounding.
As shown in fig. 10-13, a pole piece head rubberizing device includes a head rubberizing tape unwinding mechanism 52, a head rubberizing tape preparation mechanism 53, a head glue cutting mechanism 54, and a head rubberizing tape pulling mechanism 55, which are sequentially installed on a substrate 1 from left to right, wherein a head rubberizing mechanism 56 is installed above the substrate between the head glue cutting mechanism and the head rubberizing tape pulling mechanism;
the head rubberizing glue preparation mechanism comprises a head rubberizing roller A5301 and a head rubberizing roller B5302 which are sequentially arranged, a head rubberizing drawing roller 5303 is arranged between the head rubberizing roller A and the head rubberizing roller B, the head rubberizing drawing roller is installed on a head rubberizing sliding block 5304, a head rubberizing drawing head rubberizing vertical guide rail 5305 is installed on a base plate, the head rubberizing sliding block is in sliding fit with the head rubberizing drawing head rubberizing vertical guide rail, a head glue preparation vertical air cylinder 5306 is installed on the upper side or the lower side of the head rubberizing sliding block, and the sliding block is installed at the tail end of an air cylinder of the head glue preparation vertical air cylinder;
the head rubberizing mechanism comprises a head rubberizing lifting seat 5401, a clamping cylinder A5402 and a head rubberizing cylinder 5403 which are sequentially arranged on the head rubberizing lifting seat from left to right, a head rubberizing pressing block A5404 is arranged at the tail end of a cylinder rod of the clamping cylinder A, an upper pressing plate A5405 is fixedly arranged on the head rubberizing lifting seat above the head rubberizing pressing block A, a head rubberizing cutter 5406 is arranged at the tail end of the cylinder rod of the head rubberizing cylinder, a head rubberizing lifting cylinder 5408 and a head rubberizing vertical guide rail 5407 are arranged on a substrate, the head rubberizing lifting seat is in sliding fit with the head rubberizing vertical guide rail, and the tail end of the cylinder rod of the head rubberizing lifting cylinder is connected with the head rubberizing lifting seat;
the head rubberizing and glue drawing mechanism comprises a head rubberizing transverse moving seat 5501, a clamping cylinder B5502 and a head rubberizing side-pushing cylinder 5503, wherein the clamping cylinder B5502 and the head rubberizing side-pushing cylinder 5503 are installed on the head rubberizing transverse moving seat at intervals up and down, a head rubberizing pressing block B5504 is installed at the tail end of a cylinder rod of the clamping cylinder B, a head rubberizing upper pressing plate B5505 is fixedly installed above the head rubberizing pressing block B on the head rubberizing transverse moving seat, a pressing cylinder 5506 is vertically installed at the tail end of the cylinder of the head rubberizing side-pushing cylinder, a head rubberizing pressing roller 5507 is installed at the tail end of the cylinder rod of the pressing cylinder, a head rubberizing transverse guide rail 57 is installed on a substrate, and the head rubberizing transverse moving seat is in sliding fit with the head rubberizing transverse guide rail;
a driving device 58 for driving the head rubberizing transverse moving seat to transversely move is transversely arranged on the substrate;
the head gluing mechanism comprises a support 5601 and a glue sucking roller 5602 transversely arranged on the support, a plurality of sucking holes are formed in the glue sucking roller, a servo motor 5603 is arranged on the support, and one end of the glue sucking roller is connected with an output shaft of the servo motor for transmission.
In this embodiment, the support is mounted on the substrate via a lifting mechanism, the lifting mechanism includes a vertically arranged jacking cylinder 5604, and vertical guide rails arranged in bilateral symmetry, a slider 5605 is arranged on the vertical guide rail, and the slider is fixedly mounted on the support.
In this embodiment, the driving device is a linear sliding table; or the driving device is a screw rod driven by a motor, a corresponding screw rod nut is arranged on the screw rod, and the screw rod nut is fixedly arranged on the head rubberizing transverse moving seat.
In this embodiment, head rubberizing sticky tape unwinding mechanism is including installing unreeling the axle on the base plate, installing the charging tray that is used for installing the sticky tape book on unreeling the axle, be connected through one-way damping rotary device between charging tray and the unreeling axle, guarantee one-way unreeling, when unreeling, sticky tape adhesive surface is downward.
In this embodiment, the compressing cylinder is installed on the head rubberizing side plate 508, the head rubberizing side plate is installed at the end of the cylinder of the head rubberizing side pushing cylinder, the head rubberizing transverse moving seat is installed with a head rubberizing transverse guide rail 509, and the head rubberizing side plate is in sliding fit with the head rubberizing transverse guide rail.
In this embodiment, a head paste lifting cylinder 409 is installed at the upper limit position of the head paste lifting seat on the substrate.
When the head rubberizing mechanism is used, the outer end of the adhesive tape is pressed and fixed by the head rubberizing pressing block A and the head rubberizing pressing block A of the head rubberizing mechanism, the head glue-preparing vertical cylinder of the head rubberizing mechanism drives the head rubberizing rubber-pulling roller to pull out the adhesive tape on the head rubberizing adhesive tape unwinding mechanism, then the driving device drives the head rubberizing rubber-pulling mechanism to move towards the head rubberizing mechanism, after the head rubberizing pressing block B and the head rubberizing pressing block B of the head rubberizing rubber-pulling mechanism press and fix the outer end of the adhesive tape in place, the head rubberizing pressing block A and the head rubberizing pressing block A of the head rubberizing mechanism do not press and fix the adhesive tape again, then the driving device drives the head rubberizing rubber-pulling mechanism to move and reset and pull out the adhesive tape in place, when the adhesive tape is pulled out, the adhesive tape drives the head rubberizing rubber-pulling roller to reset, and after the head rubberizing pressing block A and head rubberizing pressing block A of the head rubberizing mechanism are pulled out in place, Go up head rubberizing briquetting A and press solid sticky tape, then, head rubberizing side pushes away the cylinder and will compress tightly the cylinder and release to target in place, compress tightly cylinder drive head rubberizing compression roller and press the sticky tape at the rubber suction cylinder of head rubberizing mechanism, rubber suction cylinder adsorbs the sticky tape, then, head rubberizing cylinder drive head rubberizing cutter cuts off the sticky tape, afterwards, the jacking cylinder drives and inhales the rubber suction cylinder and rises to target in place, servo motor drive rubber suction cylinder rotates, make the sticky tape glue at the pole piece head, paste the back, rubber suction cylinder no longer adsorbs the sticky tape, and the jacking cylinder drives head rubberizing mechanism and descends and resets, head rubberizing side pushes away the cylinder and drives and compress tightly the cylinder and reset, wait for next rubberizing.
In the second embodiment, because different pole pieces have different rubberizing densities, the distance between two adjacent negative pressure adsorption plates 250 needs to be adjusted in the rubberizing process, so as to adjust the distance between the two adjacent negative pressure adsorption plates 250, in this embodiment, a distance adjustment guide rail 1310 is fixed on the tracing transverse support, a distance adjustment slider 1320 is slidably fitted on the distance adjustment guide rail, a pair of negative pressure adsorption plates is arranged on the upper portion and the lower portion of each pole piece, one negative pressure adsorption cylinder is fixed on the tracing transverse support plate, the other negative pressure adsorption cylinder is fixed on the distance adjustment slider, a distance adjustment hole 1321 is arranged above the distance adjustment slider, a distance adjustment cylinder 1330 which is driven by a distance adjustment screw motor 1340 to move transversely is arranged on the tracing transverse support plate, and a telescopic end of the distance adjustment cylinder 1330 has a distance adjustment insertion shaft 1322 which can extend into the distance adjustment hole.
During operation, the distance adjusting screw motor 1340 controls the movement of the distance adjusting cylinder 1330 independently, when distance adjustment is needed, the distance adjusting insertion shaft 1322 is inserted into the distance adjusting hole 1321 under the driving of the distance adjusting cylinder 1330, then the distance adjusting screw motor 1340 moves so as to adjust the distance adjusting slider 1320 to move on the distance adjusting guide rail to control the distance between two adjacent negative pressure adsorption plates 250, distance adjustment actions can be operated independently or before the operation of the tracing transverse driving device, and the transverse driving device operates after distance adjustment is completed.
As shown in fig. 14 to 18, in the lithium battery composite process, an anode sheet is required. And feeding the pole piece and the diaphragm into a compounding device, applying a certain pressure to the pole piece and the diaphragm by the compounding device for pasting and compounding, and feeding the pole piece and the diaphragm to a winding device for winding after compounding. In the process of winding the battery core of the lithium battery, the pole pieces are cut off after one battery core is wound, the next pole piece is fed to the compounding station to prepare for winding of the next battery core, and the feeding of the compounding station is different from the traditional winding feeding. Therefore, how to feed the pole pieces needs to be correspondingly designed to be matched with the composite device, a pole piece straight feeding mechanism for guiding the pole piece to be fed is arranged on one side of the feeding end of the composite mechanism, the pole piece straight feeding mechanism comprises clamping and feeding components 35 and feeding and cutting components 37 which are arranged on the rack 100 at intervals from left to right, the clamping and feeding components are installed on the rack through a first transverse mechanism 32, and the feeding and cutting components are installed on the rack through a second transverse mechanism 3;
the clamping and conveying assembly comprises a feeding fixed frame A and a lifting frame A3505 which is installed at the lower end of the feeding fixed frame A3504 and is in sliding fit with the feeding fixed frame A, a feeding conveying roller A3501 is installed in the feeding fixed frame A, a feeding conveying roller B3502 is arranged below the feeding conveying roller A, the feeding conveying roller B is fixedly installed on the upper side face of the lifting frame A, a feeding lifting cylinder A3503 which drives the lifting frame to lift is vertically installed in the middle of the bottom end of the feeding fixed frame A, horizontal upper clamping plates 3507 and horizontal lower clamping plates 3806 are arranged on the output side of the clamping and conveying assembly at intervals from top to bottom, and the horizontal upper clamping plates and the horizontal lower clamping plates are respectively and fixedly installed on the feeding fixed frame and the lifting frame;
pan feeding cutting assembly is including last blade holder 3702, cutting backup pad 3703, the lower fixing base 3701 that from top to bottom interval set up, cutting backup pad output side is provided with pan feeding activity cutter 3704, and last blade holder rear end fixed mounting has fixed cutter, installs the fixed cutter of drive on the lower fixing base and goes up and down in order to cut off the driving piece of pole piece.
In this embodiment, the feeding guide rail 38 is installed on the frame along the transverse direction; the first transverse moving mechanism comprises a left moving seat 3201 and a clamping and conveying linear sliding table 3202 for driving the left moving seat to transversely move, the clamping and conveying linear sliding table is fixedly arranged on the rack, the left moving seat is fixedly arranged at the sliding end of the clamping and conveying linear sliding table, and the left moving seat is in sliding fit with the feeding guide rail; the two transverse moving mechanisms comprise a feeding transverse moving cylinder 3302 and a right moving seat 3301, the feeding transverse moving cylinder is fixedly installed on the rack, the tail end of a cylinder rod of the feeding transverse moving cylinder is connected with the right moving seat, and the right moving seat is in sliding fit with the feeding guide rail.
In this embodiment, a feeding base 39 is installed at the upper end of the left moving seat, a deviation correcting component 34 and a clamping component are sequentially installed at the lower end of the feeding base along a conveying direction, a feeding fixing frame a is fixedly installed on the feeding base, the deviation correcting component comprises a feeding fixing frame B3402 and a lifting frame B3403 installed at the lower end of the feeding fixing frame B and in sliding fit with the feeding fixing frame B, a feeding conveying roller C3405 is installed in the feeding fixing frame B, a feeding conveying roller D3406 is arranged below the feeding conveying roller C, the feeding conveying roller D is fixedly installed on the upper side surface of the lifting frame B, a feeding lifting cylinder B3404 for driving the lifting frame to lift is vertically installed in the middle of the bottom end of the feeding fixing frame B, a feeding deviation correcting feeding guide rail 3407 is installed at the lower end of the feeding base along the longitudinal direction, the feeding correcting linear sliding fit with the feeding deviation correcting guide rail on the feeding fixing frame B is installed at the upper end of the feeding base along the longitudinal direction, and the feeding fixed frame B is fixedly connected with the sliding end of the deviation-rectifying linear sliding table.
In this embodiment, the driving member includes a longitudinally arranged cutting linear sliding table 3707, an upper driving rod 3710 and a lower driving rod 3711, the cutting linear sliding table is fixedly mounted on the lower fixing seat, a driving block 3708 is mounted at the movable end of the cutting linear sliding table, two arc driving grooves 3709 are symmetrically arranged on the driving block from top to bottom, guide pins in sliding fit with the arc driving grooves are arranged in the arc driving grooves, and the upper guide pin and the lower guide pin are respectively connected and fixed with the upper driving rod and the lower driving rod; cutting backup pad below is provided with lift blade holder 3705, pan feeding activity cutter fixed mounting is in lift blade holder rear end, and it is fixed with the lift blade holder to go up actuating lever upper end, and lower fixing base below is provided with linkage plate 3712, and lower actuating lever lower extreme is connected fixedly with the linkage plate, and the vertical outer guide rod 3706 of wearing to establish the fixing base of installing in linkage plate both ends, outer guide rod upper end and last blade holder are connected fixedly, and lift blade holder lower extreme both sides are vertical to be equipped with the pan feeding inner guide rod 3713 of wearing to establish the fixing base, two vertical guide rods 3714 of pan feeding of cutting backup pad downside bilateral symmetry installation, the vertical spring 3715 of installing between cutting backup pad and the lift blade holder.
In this embodiment, the upper dust-pumping longitudinal pipe 39 and the lower dust-pumping longitudinal pipe 311 are respectively arranged above and below the output side of the cutting support plate, dust-pumping holes are respectively formed in the upper dust-pumping longitudinal pipe and the lower dust-pumping longitudinal pipe, the upper dust-pumping longitudinal pipe is fixedly connected with the upper tool apron, and the lower dust-pumping longitudinal pipe is fixedly connected with the lifting tool apron.
In this embodiment, be provided with the cavity in the cutting backup pad, the dust extraction hole of intercommunication cavity is seted up to cutting backup pad upper surface, and the hole of taking out of intercommunication cavity is seted up to cutting backup pad side.
In this embodiment, a detection assembly 36 is installed on the lower fixing seat on the output side of the cutting support plate, the detection assembly includes a feeding frame body 3601, a feeding longitudinal screw 3602 is installed in the feeding frame body at an upper-lower interval, a knob is installed at one end of the feeding longitudinal screw, a nut 3603 in threaded fit with the feeding longitudinal screw is installed on the feeding longitudinal screw, a pole piece deckle board 3604 and a detection mounting board 3605 are installed on the input side of the feeding frame body at a front-rear interval, the pole piece deckle board and the detection mounting board are respectively connected and fixed with nuts on the two screws, a detection laser sensor 606 is installed on the detection mounting board, and notches for pole pieces to pass through are formed in the pole piece deckle board and the detection mounting board.
In this embodiment, tab guiding plates 607 are installed on the upper and lower sides of the notch on the detection installation plate.
When feeding, the deviation correcting component firstly clamps the pole to convey the pole piece, meanwhile, the longitudinal position of the pole piece is adjusted to ensure that the pole piece passes through a conveying space between the horizontal upper clamping plate and the horizontal lower clamping plate accurately without deviation, after the head of the pole piece is conveyed to the outer end of the horizontal upper clamping plate to reach a set distance (for example, the head of the pole piece is 35-40mm away from the outer end of the horizontal upper clamping plate), the clamping and conveying component clamps the pole piece; then, the first transverse moving mechanism sends the pole piece to a feeding cutting assembly in a straight manner, and the head end of the pole piece enters a composite device; then, the pole piece is not clamped by the clamping and conveying assembly and the deviation correcting assembly, and the first transverse moving mechanism drives the clamping and conveying assembly and the deviation correcting assembly to transversely move and reset; and then, cutting off the pole piece by the feeding cutting assembly, thereby completing the feeding of the pole piece at one time. The device can ensure that the straight feeding is convenient to adapt to the composite device, and the deviation rectification is performed to ensure the centering in the process of outputting.
In this embodiment, the winding head adopts a direct-drive three-winding-needle winding head device, which includes a winding turret 62 mounted on a winding base 61, the winding turret is rotatably connected with the winding base, three direct-drive winding-needle devices 63 are uniformly mounted in the brick tower along the circumference of the axis of the brick tower, and the three direct-drive winding-needle devices respectively perform the circular actions of winding the battery cell, pasting the battery cell, unloading and pulling the needle;
the direct-drive needle winding device comprises a needle winding mechanism 6301, a sliding block 6304, a spline shaft 6302 and a spline motor 6303 which are sequentially arranged from front to back, wherein the spline motor is a through motor, the spline motor is fixedly arranged on a winding turret, the spline motor is sleeved at the rear end of the spline shaft, the spline motor is directly connected with the spline shaft through a spline outer barrel 6308, the needle winding mechanism is fixedly arranged at the front end of the spline shaft, the middle part of the sliding block is sleeved at the front part of the spline shaft, and the sliding block is fixedly arranged on the spline shaft through a bearing seat;
the spline motor is connected with a wire through a conductive slip ring;
the winding machine is characterized in that two needle pulling and inserting mechanisms 64 are arranged on the winding machine base at intervals up and down, each needle pulling and inserting mechanism comprises a winding linear sliding table 6401 arranged along the axial direction and a mounting seat 6402 arranged at the moving end of the winding linear sliding table, a sliding seat 6404 and a needle pulling and inserting cylinder 6403 are sequentially arranged on the mounting seat from inside to outside along the radial direction, the sliding seat is in sliding fit with the mounting seat through a radial guide rail, the outer end of the sliding seat is connected with the tail end of a cylinder rod of the needle pulling and inserting cylinder, and a shifting rod 6405 capable of shifting a sliding block is arranged at the inner end of the sliding seat; the needle pulling and inserting mechanism on the upper side is used for pushing the needle winding mechanism of the direct-drive needle winding device which moves to the position to move forwards to perform needle inserting; the lower pin pulling mechanism is used for pushing the pin winding mechanism of the direct-drive pin winding device which moves to the position to move backwards to pull the pin.
In this embodiment, a ring gear 6201 coaxial with the winding turret is mounted on the rear end of the winding turret, a winding turret motor 6202 is mounted on the winding machine base, and a driving gear 6203 in meshing transmission with the ring gear is mounted on an output shaft of the winding turret motor.
In this embodiment, linear bearings 6305 are axially installed at both ends of the sliding block, a winding guide shaft 6306 is inserted into the linear bearings, and the winding guide shaft is fixedly installed in the winding turret.
In this embodiment, roll up needle mechanism including rolling up the needle file, roll up the needle subassembly, roll up the needle tailstock, roll up the needle subassembly and insert a roll needle file and roll up the needle tailstock respectively, it includes first outer book needle 6312 to roll up the needle subassembly, second outer book needle 6315, first outer book needle and second outer book needle are placed on same circumference 180 °, be equipped with first interior pressure needle 6313 in the first outer book needle, be equipped with second interior pressure needle 6314 in the second outer book needle, roll up the needle tailstock including coiling fixing base 6310, coiling fixing base and integral key shaft front end fixed connection, be equipped with gliding sliding block 6316 in the coiling fixing base, first outer book needle and second interior pressure needle all are fixed in the coiling fixing base, first interior pressure needle and second outer book needle all are fixed in the sliding block, be equipped with the gliding driving piece of control sliding block in the coiling fixing base.
In this embodiment, the driving element is a thimble 6309, the thimble is slidably mounted in the winding fixing seat, the sliding block is provided with a roller 6318 contacting with the thimble, the winding fixing seat is further provided with at least one winding spring for resetting the sliding block after the thimble is separated from the roller, and the thimble moves back and forth to drive the first inner pressing pin and the second outer pressing pin to approach or separate from the first outer pressing pin and the second inner pressing pin to clamp or release the substrate passing between the first inner pressing pin and the second inner pressing pin.
In this embodiment, the front end of the thimble is provided with a conical surface matched with the roller.
In this embodiment, a winding push rod 6307 penetrates through the spline shaft in the axial direction, the ejector pin is fixedly installed at the front end of the winding push rod, a wrong-stitch mechanism 65 for driving the winding push rod to clamp or loosen the base material by the winding needle assembly is arranged at the rear side of the winding push rod, the wrong-stitch mechanism comprises a support fixedly installed at the rear end of the spline motor, a rotary clamping cylinder 6501 installed on the support, a swing arm 6502 installed at the tail end of a cylinder rod of the rotary clamping cylinder, and an ejector pin 6503 installed at the tail end of the swing arm for pushing the winding push rod, the ejector pin is located at the rear side of the winding push rod, a reset winding spring 6311 is sleeved at the rear end of the winding push rod, and the front end and the rear end of the reset winding spring are respectively abutted against the spline shaft and the winding push rod.
In this embodiment, a front support mechanism 66 is installed on the winding machine base on the front side of the winding turret, the front support mechanism includes a rotating frame 6601, the rotating frame is fixedly connected with the winding turret through a connecting shaft 6602, the rotating frame, the connecting shaft and the winding turret are coaxial, three support assemblies are uniformly distributed on the circumference of the rotating frame, the support assemblies and the direct-drive needle winding device are arranged in a one-to-one correspondence manner, each support assembly includes a winding front cylinder 6603, a winding pull rod 6604 and a winding support block 6605 which are sequentially connected from front to back, the winding pull rod is sleeved on the rotating frame and is in sliding fit with the rotating frame, and the winding support block can be sleeved at the front end of the needle winding mechanism to support the needle winding mechanism.
In this embodiment, the height-adjustable supporting leg 67 is installed at the lower end of the winding machine base, so that the device has a height fine adjustment function, the installation precision of the winding head can be conveniently adjusted, and the height-adjustable supporting leg is a known height-adjustable supporting leg.
If the invention discloses or relates to parts or structures which are fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated.
Any part provided by the invention can be assembled by a plurality of independent components or can be manufactured by an integral forming process.
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.

Claims (10)

1.锂电池复合工艺卷绕机,其特征在于,包括机架及设置于机架两侧用于释放正极极片和负极极片的一对极片放卷机构,各个极片放卷机构的旁侧具有一用于导入隔膜的隔膜放卷机构,其中一侧的极片放卷机构经拐角贴胶机构进行表面贴胶后与其旁侧的隔膜放卷机构导出的隔膜贴合后进入复合机构导出形成坯件A,所述另一侧的极片放卷机构经与其旁侧的隔膜放卷机构导出的隔膜贴合后进入一复合机构导出形成坯件B,坯件A坯件B同步输出卷绕于卷绕头上。1. lithium battery composite technology winding machine, it is characterized in that, comprise frame and be arranged on both sides of frame and be used for releasing a pair of pole piece unwinding mechanism of positive pole piece and negative pole piece, each pole piece unwinding mechanism There is a diaphragm unwinding mechanism on the side for introducing the diaphragm, and the pole piece unwinding mechanism on one side is glued on the surface by the corner gluing mechanism and then the diaphragm derived from the diaphragm unwinding mechanism on the side is attached to the composite mechanism. Export to form blank A, the pole piece unwinding mechanism on the other side is bonded to the diaphragm derived from the diaphragm unwinding mechanism on its side and then enters a composite mechanism to export to form blank B, and blank A and blank B are output synchronously Winding on the winding head. 2.根据权利要求1所述的锂电池复合工艺卷绕机,其特征在于,所述拐角贴胶机构包括用于输入极片的传送辊及位于传送辊旁侧具有用于输出胶带的拐角备胶机构及将胶条贴于极片上表面及下表面的一对拐角追贴结构;所述拐角追贴结构包括位于极片旁侧的追贴固定板,追贴固定板上设置有位于极片上方及下方的能吸附胶带的负压吸附板,各个负压吸附板由横向驱动装置驱动沿极片输送方向移动,所述负压吸附板固定于一能纵向移动的追贴横向支架上。2 . The lithium battery composite process winding machine according to claim 1 , wherein the corner gluing mechanism comprises a conveying roller for inputting the pole piece and a corner device for outputting the tape at the side of the conveying roller. 3 . A glue mechanism and a pair of corner follow-up structures for sticking the glue strips on the upper surface and the lower surface of the pole piece; the corner follow-up structure includes a follow-up fixing plate on the side of the pole piece, and the follow-up fixing plate is provided with a follow-up fixing plate located on the pole piece The upper and lower negative pressure suction plates that can absorb adhesive tape are driven by the transverse drive device to move along the pole piece conveying direction, and the negative pressure suction plates are fixed on a longitudinally movable follow-up transverse support. 3.根据权利要求2所述的锂电池复合工艺卷绕机,其特征在于,所述拐角备胶机构包括位于极片旁侧的拐角备胶固定板,所述备胶固定板上固定有一对分设于极片上部及下部用于置入胶盘的拐角胶盘安装盘,各个拐角胶盘安装盘的旁侧具有以供胶带卷绕的拐角备胶辊,拐角绞盘安装盘的出料端还设置由备胶固定板固定的切刀气缸驱动上下移动的切刀,切刀的前侧具有拉胶气动夹爪,所述拉胶气动夹爪固定于一拉胶滑块上,所述备胶固定板上具有驱动拉胶滑块移动的电动丝杠,所述切刀与拐角备胶辊之间具有固定于备胶固定板上用于承载胶带的承板,所述承板上方具有拐角胶带压板,拐角胶带压板由固定于备胶固定板上的压板气缸驱动。3. The lithium battery composite process winding machine according to claim 2, wherein the corner glue preparation mechanism comprises a corner glue preparation fixing plate located beside the pole piece, and a pair of glue preparation fixing plates are fixed on the glue preparation fixing plate The corner rubber disc installation discs are respectively arranged on the upper and lower parts of the pole piece for placing the rubber disc. The side of each corner rubber disc installation disc is provided with a corner preparation rubber roller for tape winding, and the discharge end of the corner winch installation disc is also A cutting knife that moves up and down is driven by a cutting knife cylinder fixed by a glue preparation fixing plate. The front side of the cutting knife is provided with a rubber pulling pneumatic gripper. The fixing plate has an electric screw that drives the rubber pulling slider to move, and between the cutter and the corner rubber preparation roller there is a bearing plate fixed on the glue preparation fixing plate for carrying the tape, and the corner tape is arranged above the bearing plate The pressure plate, the corner tape pressure plate is driven by the pressure plate cylinder fixed on the glue preparation fixing plate. 4.根据权利要求2所述的锂电池复合工艺卷绕机,其特征在于,横向驱动装置的移动端固定有追贴移动板,所述追贴移动板上固定有一对追贴竖向直线导轨,所述追贴横向支架后具有与追贴竖向直线导轨滑动配合的竖向导槽,所述追贴横向支架固定有一凸轴,所述凸轴限位于追贴固定板的轨道槽内,所述追贴固定板上固定有槽状框架,轨道槽位于槽状框架上朝向追贴横向支架,所述轨道槽包括远离极片的高位及靠近极片的低位,横向驱动装置驱动追贴横向支架横向移动的过程中,通过凸轴在轨道槽内移动实现追贴横向支架在追贴竖向直线导轨上下移动,所述极片的上部或下部的负压吸附板具有一对且分别固定于不同的负压吸附气缸的伸缩端上,所述负压吸附板下方具有负压孔,负压吸附板的负压孔连通有负压泵,所述追贴横向支架上固定有调距导轨,调距导轨上滑动配合有调距滑块,调距滑块及追贴横向支架的一端沿纵向延伸固定有吸附板气缸,所述负压吸附板在极片的上部及下部均设置有一对,其中一个负压吸附气缸固定于追贴移动板,另一个负压吸附气缸固定于调距滑块上,所述述调距滑块上方具有调距孔,所述追贴固定板上设置有由调距丝杠电机驱动横向移动的调距气缸,所述调距气缸的伸缩端具有能伸入调距孔内的调距插轴。4 . The lithium battery composite process winding machine according to claim 2 , wherein the moving end of the lateral drive device is fixed with a follow-up moving plate, and a pair of follow-up vertical linear guide rails are fixed on the follow-up moving plate. 5 . , there is a vertical guide groove that slides and cooperates with the vertical linear guide rail for the follow-up sticking after the horizontal support, the horizontal support for the follow-up is fixed with a convex shaft, and the convex shaft is limited to the track groove of the follow-up fixing plate, so A trough-shaped frame is fixed on the tracking fixing plate, the track groove is located on the trough-shaped frame and faces the tracking lateral support, the track groove includes a high position away from the pole piece and a low position close to the pole piece, and the lateral drive device drives the tracking lateral support In the process of lateral movement, the protruding shaft moves in the track groove to realize the up and down movement of the follow-up horizontal support on the follow-up vertical linear guide rail. The upper or lower negative pressure suction plates of the pole piece have a pair and are respectively fixed to different On the telescopic end of the negative pressure adsorption cylinder, there is a negative pressure hole under the negative pressure adsorption plate, the negative pressure hole of the negative pressure adsorption plate is connected with a negative pressure pump, A distance-adjusting slider is slidably fitted on the distance guide rail, and one end of the distance-adjusting slider and the follow-up transverse support is fixed with an adsorption plate cylinder extending in the longitudinal direction. One negative pressure adsorption cylinder is fixed on the follow-up moving plate, and the other negative pressure adsorption cylinder is fixed on the distance-adjusting slider. The distance-adjusting slider is provided with a distance-adjusting hole. The distance adjustment cylinder is driven by the pitch screw motor to move laterally. 5.根据权利要求1或2所述的锂电池复合工艺卷绕机,其特征在于,所述复合机构包括复合支撑座、安装在复合支撑座上的复合架,所述复合架内上下间隔安装有上复合辊、下复合辊,下复合辊固定安装在复合架上,上复合辊两端安装在复合滑块上,复合架上沿竖向开设有容置复合滑块的滑槽,支架上于滑槽上方竖直安装有复合气缸,复合气缸的复合气缸杆末端连接复合滑块,滑槽内于复合滑块下方安装有调节上复合辊、下复合辊之间间隙的的楔块调节机构,复合滑块搭设在楔块调节机构上;上复合辊、下复合辊的一端部分别安装有能相互啮合传动的上齿轮、下齿轮,下复合辊一端与复合辊电机连接传动,下复合辊两端经轴承座固定安装在复合架上,上复合辊经轴承座固定安装在复合滑块上,所述楔块调节机构包括纵置的复合丝杆、安装在复合丝杆上并与之螺纹配合的楔块,楔块上表面、复合滑块下表面均为斜面,复合丝杆与复合架转动连接,复合丝杆后端穿设复合架,复合丝杆后端安装有手柄,或复合丝杆后端与调节复合辊电机连接传动,所述楔块搭设在下复合辊的轴承座上,所述上复合辊、下复合辊内安装有电加热器,所述上复合辊、下复合辊之间的间隙形成极片复合区间,复合架上于极片复合区间输入侧水平安装有来料导板,来料导板输入端向下倾斜形成输入导向面。5 . The lithium battery composite process winding machine according to claim 1 or 2 , wherein the composite mechanism comprises a composite support seat and a composite frame mounted on the composite support seat, and the composite frame is installed at intervals up and down. 6 . There are an upper composite roller and a lower composite roller. The lower composite roller is fixedly installed on the composite frame. Both ends of the upper composite roller are installed on the composite slider. The composite frame is vertically provided with a chute for accommodating the composite slider. A composite cylinder is installed vertically above the chute, the end of the composite cylinder rod of the composite cylinder is connected to a composite slider, and a wedge adjustment mechanism for adjusting the gap between the upper composite roller and the lower composite roller is installed in the chute below the composite slider. , the composite slider is placed on the wedge block adjustment mechanism; the upper and lower composite rollers are respectively equipped with upper and lower gears that can mesh with each other at one end, and one end of the lower composite roller is connected to the composite roller motor for transmission, and the lower composite roller is driven. Both ends are fixedly installed on the composite frame through the bearing seat, and the upper composite roller is fixedly installed on the composite sliding block through the bearing seat. For the matched wedge, the upper surface of the wedge and the lower surface of the composite slider are inclined surfaces. The composite screw rod is connected with the composite frame in rotation. The rear end of the composite screw rod passes through the composite frame. The rear end of the rod is connected to the motor of the adjusting compound roller for transmission. The wedge is placed on the bearing seat of the lower compound roller. Electric heaters are installed in the upper compound roller and the lower compound roller. The gap between them forms a pole piece compound section, an incoming material guide plate is horizontally installed on the input side of the pole piece compound section on the compound frame, and the input end of the incoming material guide plate is inclined downward to form an input guide surface. 6.根据权利要求5所述的锂电池复合工艺卷绕机,其特征在于:所述坯件A的输出端设置有极片头部贴胶装置,所述极片头部贴胶装置包括由左至右依次安装在基板上的头部贴胶胶带放卷机构、头部贴胶备胶机构、头部切胶机构、头部贴胶拉胶机构,基板上于头部切胶机构与头部贴胶拉胶机构之间的上方安装有头部贴胶机构;所述头部贴胶备胶机构包括依次设置的头部贴胶辊A、头部贴胶辊B,头部贴胶辊A、头部贴胶辊B之间设置有头部贴胶拉胶辊,头部贴胶拉胶辊安装在头部贴胶滑动块上,基板上安装有头部贴胶拉胶头部贴胶竖导轨,头部贴胶滑动块与头部贴胶拉胶头部贴胶竖导轨滑动配合,头部贴胶滑动块上侧或下侧安装有头部备胶竖气缸,滑块安装在头部备胶竖气缸的气缸末端;6 . The lithium battery composite process winding machine according to claim 5 , wherein: the output end of the blank A is provided with a pole piece head gluing device, and the pole piece head gluing device comprises: 6 . The head glue tape unwinding mechanism, head glue preparation mechanism, head glue cutting mechanism, and head glue pulling mechanism are installed on the base plate in sequence from left to right. A head gluing mechanism is installed above between the head gluing and pulling mechanisms; the head gluing preparation mechanism includes a head gluing roller A, a head gluing roller B, and a head gluing roller, which are arranged in sequence. A. There is a head sticking rubber roller between the head sticking rubber rollers B. The head sticking rubber sticking rubber roller is installed on the head sticking rubber sliding block, and the head sticking rubber sticking head sticker is installed on the base plate The glue vertical rail, the head glue sliding block and the head glue pulling glue head glue vertical guide slidingly cooperate, the head glue preparation vertical cylinder is installed on the upper side or the lower side of the head glue sliding block, and the slider is installed in The cylinder end of the vertical cylinder for preparing glue in the head; 所述头部切胶机构包括头部贴胶升降座、由左至右依次安装在头部贴胶升降座上的夹紧气缸A、头部切胶气缸,夹紧气缸A的气缸杆末端安装有头部贴胶头部贴胶压块A,头部贴胶升降座上于头部贴胶头部贴胶压块A上方固定安装有上压板A,头部切胶气缸的气缸杆末端安装有头部贴胶切刀,基板上安装有头部贴胶升降气缸、头部贴胶竖导轨,头部贴胶升降座与头部贴胶竖导轨滑动配合,头部贴胶升降气缸的气缸杆末端连接头部贴胶升降座;The head glue cutting mechanism includes a head glue sticking lifting seat, a clamping cylinder A and a head glue cutting cylinder which are sequentially installed on the head glue sticking lifting seat from left to right, and the end of the cylinder rod of the clamping cylinder A is installed. There is a head-applied head-applied pressure block A, the head-applied lifting seat is fixedly installed with an upper pressure plate A above the head-applied head glue-applied pressure block A, and the end of the cylinder rod of the head glue-cutting cylinder is installed There is a head glue cutter, a head glue lift cylinder and a head glue vertical guide are installed on the base plate, the head glue lift seat is slidingly matched with the head glue vertical guide, and the head glue lift cylinder is installed. The end of the rod is connected to the head glued lifting seat; 所述头部贴胶拉胶机构包括头部贴胶横移座、上下间隔安装在头部贴胶横移座上的夹紧气缸B、头部贴胶侧推气缸,夹紧气缸B的气缸杆末端安装有头部贴胶压块B,头部贴胶横移座上于头部贴胶压块B上方固定安装有头部贴胶上压板B,头部贴胶侧推气缸的气缸末端竖置的安装有压紧气缸,压紧气缸的气缸杆末端安装有头部贴胶压辊,基板上安装有头部贴胶横导轨,头部贴胶横移座与头部贴胶横导轨滑动配合;The head sticking and pulling mechanism includes a head sticking traverse seat, a clamping cylinder B installed on the head sticking traverse seat at an upper and lower interval, a head sticking side pushing cylinder, and a cylinder for clamping the cylinder B. The end of the rod is installed with a head glued pressure block B, and the head glued traverse seat is fixedly installed with a head glued upper pressure plate B above the head glued pressure block B, and the head glued side pushes the cylinder end of the cylinder A compression cylinder is installed vertically, and the end of the cylinder rod of the compression cylinder is installed with a head glue pressing roller. sliding fit; 所述基板上横置的安装有用以驱动头部贴胶横移座横向移动的驱动装置;A driving device for driving the lateral movement of the head glue sticking base is installed horizontally on the base plate; 所述头部贴胶机构包括支架、横置的安装在支架上的吸胶滚筒,吸胶滚筒上开设有若干吸孔,支架上安装有伺服电机,吸胶滚筒一端与伺服电机的输出轴连接传动。The head glue sticking mechanism includes a bracket and a horizontal glue suction roller installed on the bracket, a plurality of suction holes are opened on the glue suction roller, a servo motor is installed on the bracket, and one end of the glue suction roller is connected with the output shaft of the servo motor transmission. 7.根据权利要求5所述的锂电池复合工艺卷绕机,其特征在于:在复合机构的入料端一侧具有接引极片入料的极片平直入料机构,其包括机架上左右间隔设置的夹送组件、入料切割组件,所述夹送组件经第一横移机构安装在机架上,所述入料切割组件经第二横移机构安装在机架上;7. The lithium battery composite process winding machine according to claim 5, characterized in that: on one side of the feeding end of the composite mechanism, there is a pole piece straight feeding mechanism connected to the feeding of the pole piece, which includes left and right on the frame. The pinch component and the feeding cutting component are arranged at intervals, the pinch component is installed on the frame through the first traverse mechanism, and the feeding cutting component is installed on the frame through the second traverse mechanism; 所述夹送组件包括入料固定框架A、安装在入料固定框架A下端并与之滑动配合的升降框A,入料固定框架A内安装有入料输送辊A,入料输送辊A下方设置有入料输送辊B,入料输送辊B固定安装在升降框A的上侧面,入料固定框架A底端中部竖直安装有驱动升降框进行升降的入料升降气缸A,夹送组件输出侧上下间隔设置有水平上夹板、水平下夹板,水平上夹板、水平下夹板分别固定安装在入料固定框架、升降框上;The pinch assembly includes a feeding fixed frame A, a lifting frame A installed at the lower end of the feeding fixed frame A and slidingly matched with it. A feeding conveyor roller B is provided, and the feeding conveyor roller B is fixedly installed on the upper side of the lifting frame A. In the middle of the bottom end of the feeding fixed frame A, a feeding lifting cylinder A that drives the lifting frame to lift is vertically installed, and the pinch component A horizontal upper splint and a horizontal lower splint are arranged at the upper and lower intervals of the output side, and the horizontal upper splint and the horizontal lower splint are respectively fixed and installed on the feeding fixing frame and the lifting frame; 所述入料切割组件包括由上至下间隔设置的上刀座、切割支撑板、下固定座,所述切割支撑板输出侧设置有入料活动切刀,上刀座后端固定安装有固定切刀,下固定座上安装有驱动固定切刀进行升降以切断极片的驱动件。The feeding cutting assembly includes an upper knife seat, a cutting support plate, and a lower fixed seat spaced from top to bottom. The output side of the cutting support plate is provided with a feeding movable cutter, and the rear end of the upper knife seat is fixedly installed with a fixed seat. The lower fixed seat is provided with a driving member that drives the fixed cutter to move up and down to cut off the pole pieces. 8.根据权利要求1所述的锂电池复合工艺卷绕机,其特征在于:所述机架上沿横向安装有入料导轨;所述第一横移机构包括左移动座、驱动左移动座横移的夹送直线滑台,夹送直线滑台固定安装在机架上,左移动座固定安装在夹送直线滑台的滑动端,左移动座与入料导轨滑动配合;所述二横移机构包括入料横移气缸、右移动座,入料横移气缸固定安装在机架上,入料横移气缸的气缸杆末端连接右移动座,右移动座与入料导轨滑动配合;8 . The lithium battery composite process winding machine according to claim 1 , wherein a feeding guide rail is installed on the frame in a transverse direction; the first traverse mechanism comprises a left moving seat and a driving left moving seat. 9 . The horizontally moving pinch linear slide table is fixedly installed on the frame, the left movable seat is fixedly installed on the sliding end of the pinch linear slide table, and the left movable seat is slidably matched with the feeding guide rail; the two horizontal The moving mechanism includes a feeding traverse cylinder and a right moving seat. The feeding traversing cylinder is fixedly installed on the frame. The end of the cylinder rod of the feeding traversing cylinder is connected to the right moving seat, and the right moving seat is slidingly matched with the feeding guide rail; 所述左移动座上端安装有入料基座,入料基座下端沿输送单向依次安装有纠偏组件、夹送组件,入料固定框架A固定安装在入料基座上,所述纠偏组件包括入料固定框架B、安装在入料固定框架B下端并与之滑动配合的升降框B,入料固定框架B内安装有入料输送辊C,入料输送辊C下方设置有入料输送辊D,入料输送辊D固定安装在升降框B的上侧面,入料固定框架B底端中部竖直安装有驱动升降框进行升降的入料升降气缸B,入料基座下端沿纵向安装有入料纠偏入料导轨,入料固定框架B上的与入料纠偏入料导轨滑动配合,入料基座上端沿纵向安装有纠偏直线滑台,入料固定框架B与纠偏直线滑台的滑动端固定连接。The upper end of the left moving base is installed with a feeding base, and the lower end of the feeding base is sequentially installed with a deviation correction component and a pinch component along the conveying direction. The feeding fixed frame A is fixedly installed on the feeding base, and the deviation correction component Including a feeding fixed frame B, a lifting frame B installed at the lower end of the feeding fixed frame B and slidingly matched with it, a feeding conveying roller C is installed in the feeding fixing frame B, and a feeding conveying roller C is arranged below the feeding conveying roller C Roller D, the feeding conveyor roller D is fixedly installed on the upper side of the lifting frame B, the feeding lifting cylinder B is vertically installed in the middle of the bottom end of the feeding fixing frame B, and the feeding lifting cylinder B is vertically installed to drive the lifting frame to lift, and the lower end of the feeding base is longitudinally installed There is a feeding guide for rectifying deviation. The feeding fixed frame B is in sliding cooperation with the feeding guide for rectifying deviation. The upper end of the feeding base is longitudinally installed with a rectifying linear sliding table. Sliding end fixed connection. 9.根据权利要求1所述的锂电池复合工艺卷绕机,其特征在于:所述卷绕头包括直驱式三卷针卷绕头装置,其特征在于:包括安装在卷绕机座上的卷绕转塔,卷绕转塔与卷绕机座转动连接,砖塔内沿其轴心圆周均布的安装三个直驱式卷针装置;9 . The lithium battery composite process winding machine according to claim 1 , wherein the winding head comprises a direct-drive three-pin winding head device, characterized in that: the winding head is installed on the winding machine base. 10 . The winding turret is rotatably connected with the winding machine base, and three direct-drive needle rolling devices are installed in the brick turret evenly distributed along the circumference of its axis; 所述直驱式卷针装置包括由前至后依次设置的卷针机构、滑动块、花键轴、花键电机,所述花键电机为贯通式电机,花键电机固定安装在卷绕转塔上,花键电机套装在花键轴后端,花键电机经花键外筒与花键轴直接相连,卷针机构固定安装在花键轴前端,滑动块中部套装在花键轴前部,滑动块经轴承座固定安装在花键轴上;The direct-drive needle winding device includes a needle winding mechanism, a sliding block, a spline shaft, and a spline motor arranged in sequence from front to back. The spline motor is a through-type motor, and the spline motor is fixedly installed in the winding rotor On the tower, the spline motor is sleeved on the rear end of the spline shaft, the spline motor is directly connected to the spline shaft through the spline outer cylinder, the needle winding mechanism is fixedly installed at the front end of the spline shaft, and the middle of the sliding block is sleeved on the front of the spline shaft. , the sliding block is fixedly installed on the spline shaft through the bearing seat; 所述卷绕机座上下间隔安装有两个拔插针机构,所述拔插针机构包括沿轴向设置的卷绕直线滑台、安装在卷绕直线滑台移动端的安装座,所述安装座上沿径向由内至外依次设置有滑动座、拔插针气缸,所述滑动座经径向导轨与安装座滑动配合,滑动座外端与拔插针气缸的气缸杆末端相连接,滑动座内端安装有能拨动滑动块的拨杆;The winding machine base is installed with two pin-pulling mechanisms at intervals up and down. The pin-pulling mechanism includes a winding linear sliding table arranged along the axial direction and a mounting seat installed on the moving end of the winding linear sliding table. The installation A sliding seat and a pin-pulling cylinder are arranged on the seat in turn from the inside to the outside in the radial direction. The inner end of the sliding seat is provided with a lever that can move the sliding block; 所述卷绕转塔上后端安装有与其同轴心的环形齿轮,卷绕机座上安装有卷绕转塔电机,卷绕转塔电机的输出轴安装有与环形齿轮啮合传动的驱动齿轮;The rear end of the winding turret is installed with a ring gear that is concentric with it, the winding turret motor is installed on the winding stand, and the output shaft of the winding turret motor is installed with a drive gear that meshes with the ring gear. ; 所述滑动块两端均沿轴向安装有直线轴承,直线轴承内穿设有卷绕导向轴,卷绕导向轴固定安装在卷绕转塔内;Both ends of the sliding block are provided with linear bearings along the axial direction, and a winding guide shaft is passed through the linear bearing, and the winding guide shaft is fixedly installed in the winding turret; 所述卷针机构包括卷针座、卷针组件、卷针尾座,卷针组件分别插入卷针座和卷针尾座,卷针组件包括第一外卷针、第二外卷针,第一外卷针和第二外卷针在同一圆周上180°放置,第一外卷针内设有第一内压针,第二外卷针内设有第二内压针,卷针尾座包括卷绕固定座,卷绕固定座与花键轴前端固定连接,卷绕固定座内设有能滑动的滑动块,第一外卷针和第二内压针均固定于卷绕固定座,第一内压针和第二外卷针均固定于滑动块,卷绕固定座内设有控制滑动块滑动的驱动件。The needle rolling mechanism includes a rolling needle seat, a rolling needle assembly, and a rolling needle tail seat. The rolling needle assembly is inserted into the rolling needle base and the rolling needle tail seat respectively. The rolling needle assembly includes a first outer rolling needle, a second external rolling needle, and a first rolling needle. An outer winding needle and a second outer winding needle are placed 180° on the same circumference, the first outer winding needle is provided with a first inner pressing needle, the second outer winding needle is provided with a second inner pressing needle, and the winding needle tail seat It includes a winding fixing seat, the winding fixing seat is fixedly connected with the front end of the spline shaft, a sliding block capable of sliding is arranged in the winding fixing seat, and the first outer winding needle and the second inner pressing needle are both fixed on the winding fixing seat, Both the first inner pressing needle and the second outer rolling needle are fixed on the sliding block, and a driving member for controlling the sliding of the sliding block is arranged in the winding fixing seat. 10.一种锂电池复合工艺卷绕加工方法,其特征在于,利用如权利要求7所述的锂电池复合工艺卷绕机,其特征在于:包括以下步骤:10. A lithium battery composite technology winding processing method, characterized in that, using the lithium battery composite technology winding machine as claimed in claim 7, characterized in that: comprising the following steps: (1)两个极片放卷机构上释放极片,其中一个极片放卷机构释放的极片通过拐角贴贴胶机构,拐角贴胶机构将卷绕的胶带套入所述拐角胶盘安装盘上,放置胶带对称位于极片的上方及下方,胶带端部绕过拐角备胶辊之后穿过承板及切刀后被拉胶气动夹爪夹持,拉胶气动夹爪在电动丝杠的驱动下向极片方向移动,拉胶气动夹爪拉出位移距离满足预设长度;(1) The pole pieces are released on the two pole piece unwinding mechanisms, and the pole piece released by one of the pole piece unwinding mechanisms passes through the corner sticking and sticking mechanism, and the corner sticking mechanism wraps the wound tape into the corner plastic disk for installation On the plate, place the tape symmetrically above and below the pole piece. The end of the tape goes around the corner preparation rubber roller, passes through the support plate and the cutter, and is clamped by the rubber-pulling pneumatic gripper. The rubber-pulling pneumatic gripper is on the electric screw The drive moves to the pole piece direction, and the pull-out displacement distance of the rubber-pulling pneumatic gripper meets the preset length; (2)负压吸附板下表面具有与负压泵连通的负压孔,通过负压能吸附位于拉胶结构与切刀之间的胶带,在切刀切断胶带后,调距丝杠电机单独控制调距气缸的移动,当需要调距时将调距插轴在调距气缸的驱动下插入调距孔,之后调距丝杠电机移动从而调节调距滑块在调距导轨上移动进而控制相邻两个负压吸附板的间距;(2) The lower surface of the negative pressure adsorption plate has a negative pressure hole that is connected to the negative pressure pump. Through the negative pressure, the tape located between the rubber pulling structure and the cutter can be adsorbed. Control the movement of the distance adjustment cylinder. When the distance adjustment is required, insert the distance adjustment plug shaft into the distance adjustment hole under the drive of the distance adjustment cylinder, and then the distance adjustment screw motor moves to adjust the distance adjustment slider to move on the distance adjustment guide rail to control The distance between two adjacent negative pressure adsorption plates; (3)调距完成后横向驱动装置驱动沿极片输出方向移动,在极片移动的同时进行同向加速追贴,凸轴位于轨道槽的低位时极片上方及极片下方的负压吸附板对称压合将胶带粘贴压紧于极片上,而后负压吸附板复位。(3) After the distance adjustment is completed, the lateral drive device drives to move in the output direction of the pole piece, and the pole piece moves while accelerating and tracing in the same direction. When the convex shaft is located at the low position of the track groove, the negative pressure adsorption above the pole piece and below the pole piece The plate is symmetrically pressed, and the tape is pasted and pressed on the pole piece, and then the negative pressure adsorption plate is reset. (4)拐角贴胶出料的极片通过极片平直入料机构输出,另一侧的极片放卷机构上释放极片直接通过极片平直入料机构输出,极片平直入料机构送料时,纠偏组件先夹柱输送极片,同时,调节极片纵向位置,保证极片准确的通过水平上夹板、水平下夹板之间的输送空间通过不发生跑偏,极片头部输送至水平上夹板外端到达设定距离后,夹送组件夹住极片;随后,第一横移机构将极片平直的送至入料切割组件,极片首端进入复合装置;随后,夹送组件、纠偏组件不在夹住极片,第一横移机构带着夹送组件、纠偏组件横移复位;随后,入料切割组件切断极片,从而完成一次极片入料;(4) The pole pieces that are glued and discharged at the corners are output through the pole piece straight feeding mechanism, and the released pole piece on the other side of the pole piece unwinding mechanism is directly output through the pole piece straight feeding mechanism. When the pole piece straight feeding mechanism is feeding, the deviation correction The component first clamps the column to transport the pole piece, and at the same time, adjust the longitudinal position of the pole piece to ensure that the pole piece accurately passes through the conveying space between the horizontal upper splint and the horizontal lower splint without deviation, and the pole piece head is transported to the outside of the horizontal upper splint After the end reaches the set distance, the pinch component clamps the pole piece; then, the first traverse mechanism sends the pole piece straight to the feeding cutting component, and the first end of the pole piece enters the compound device; When the component is not clamping the pole piece, the first traverse mechanism carries the pinch component and the deviation correction component to traverse and reset; then, the feeding cutting component cuts off the pole piece, thus completing one pole piece feeding; (5)两侧的极片平直入料机构入料与隔膜放卷机构释放的隔膜合并通过复合机构分别形成坯件A及坯件B;(5) The feeding of the pole piece straight feeding mechanism on both sides and the diaphragm released by the diaphragm unwinding mechanism are combined to form blank A and blank B respectively through the composite mechanism; (6)坯件A的输出端设置有极片头部贴胶装置,通过极片头部贴胶装置之后与坯件B输出卷绕于卷绕头上。(6) The output end of the blank A is provided with a pole piece head gluing device, and after passing through the pole piece head gluing device, the output end of the blank B is wound on the winding head.
CN202110661774.9A 2021-06-15 2021-06-15 Lithium battery composite process winding machine and processing method Pending CN113241472A (en)

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