CN211700486U - Square electric core positive plate outsourcing winding mechanism and duplex position winder - Google Patents

Square electric core positive plate outsourcing winding mechanism and duplex position winder Download PDF

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Publication number
CN211700486U
CN211700486U CN202020416016.1U CN202020416016U CN211700486U CN 211700486 U CN211700486 U CN 211700486U CN 202020416016 U CN202020416016 U CN 202020416016U CN 211700486 U CN211700486 U CN 211700486U
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assembly
plate
winding
seat
pole piece
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CN202020416016.1U
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卢雪军
张新球
童胜
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Dongguan Anyang Intelligent Technology Co ltd
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Dongguan Anyang Intelligent Technology Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Abstract

The utility model discloses a square electric core positive plate outsourcing winding mechanism and duplex position winder, this winding mechanism includes: the winding assembly comprises two plug-in winding needle units, the plug-in winding needle unit at the upper winding station can receive the diaphragm, the negative plate and the positive plate and rotate to the lower winding station for edge-covering winding of the positive plate after pre-winding and inserting plate winding are completed; the pole piece jacking assembly comprises a two-pole piece jacking device used for pressing the negative pole piece and the positive pole piece to the diaphragm; the diaphragm jacking assembly comprises two diaphragm jacking devices, and the diaphragms, the negative plates and the positive plates are tightly pressed in the processes of pre-coiling, inserting sheet coiling and rotating from the upper coiling station to the lower coiling station by the plug-in type coiling needle unit, and/or the two diaphragms are jacked to clamp the negative plates in the process of welding and cutting the diaphragms by the diaphragm welding assembly; the positive plate lifting assembly is used for lifting the positive plate to match with the positive plate edge; and the ending assembly is used for pressing the diaphragm in the diaphragm welding and cutting process and/or pressing the positive plate in the positive plate edge covering process.

Description

Square electric core positive plate outsourcing winding mechanism and duplex position winder
Technical Field
The utility model belongs to the technical field of the battery equipment technique and specifically relates to square electric core positive plate outsourcing winding mechanism and duplex position winder.
Background
In the existing battery cell equipment, the winding-type battery cell is adopted by the majority of lithium battery manufacturing enterprises due to the advantages of stable battery performance, high manufacturing efficiency and the like in the battery cell, and the occupied proportion of the market is very high, so that the corresponding battery winding machine is also in high demand.
However, the winding machine in the winding machine for the square battery cell in the existing market has the disadvantages of large manufacturing difficulty of the square battery cell, high equipment cost and low yield due to the fact that the size of the square battery cell is smaller and the requirement on process precision is higher and higher. Meanwhile, the winding machine of the existing adaptation has the problems of complex structure, complex operation, unstable production of the battery cell and low yield.
Meanwhile, the battery cell winding and outsourcing process comprises the positive plate outsourcing and the diaphragm outsourcing, the positive plate outsourcing is realized by the small square winding battery cell, the space of a mechanism is compact, and the realization is difficult.
In the related art, a better technical solution for solving the above problems is still lacking.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem to the problem among the above-mentioned prior art, provide a square electric core positive plate outsourcing winding mechanism and duplex position winder, solve the problem that the middle-size and small-size square electric core coiling equipment of correlation technique field receives the space influence to realize positive plate outsourcing coiling difficulty, realized that square little electric core positive plate outsourcing is convoluteed.
In a first aspect, the utility model adopts a technical proposal that the square battery cell positive plate outer wrapping winding mechanism comprises a winding component arranged on a panel, and a pole piece jacking component, a diaphragm welding and cutting component, a positive plate lifting component and a tail closing component which are arranged on the panel and are positioned at the circumferential outer side of the winding component, wherein,
the winding assembly comprises two plug-in winding needle units which can alternatively rotate between an upper winding station and a lower winding station, and the plug-in winding needle unit positioned at the upper winding station can receive the diaphragm, the negative plate and the positive plate at the upper winding station and rotate to the lower winding station for edge-covering winding and ending of the positive plate after pre-winding and inserting sheet winding are completed;
the pole piece jacking assembly comprises two pole piece jacking devices which are symmetrically arranged at two sides of the winding upper assistor and are used for matching with the winding upper assistor to press and stick the unwound negative pole piece and the unwound positive pole piece to the diaphragm and/or the traction inlet piece; the diaphragm jacking assembly comprises two diaphragm jacking devices which are symmetrically arranged, and the diaphragms, the negative plates and the positive plates are tightly pressed in the processes of pre-coiling, insert sheet coiling and rotating from an upper coiling station to a lower coiling station of the plug-in type coiling needle unit, and/or the two diaphragms are jacked to clamp the negative plates in the process of welding and cutting the diaphragms by the diaphragm welding and cutting assembly; the positive plate lifting assembly is used for lifting the positive plate and enabling the diaphragm welding and cutting assembly to weld and cut the two diaphragms; the ending component is used for pressing and holding the diaphragm in the diaphragm welding and cutting process and/or pressing and holding the positive plate in the positive plate edge covering process and matching with the plug-in winding needle unit to finish the edge covering and winding ending of the positive plate of the battery cell.
As a further elaboration of the above technical solution:
in the technical scheme, the two pluggable winding needle units are arranged on the revolution component, the revolution component comprises a base seat fixedly connected with the panel, a main shaft turntable is coaxially assembled on the base seat, the main shaft turntable rotates through meshing transmission of a transmission gear arranged at one axial end of the main shaft turntable and a driving gear arranged on a driving shaft of a speed reducer driven by a revolution motor, and the two pluggable winding needle units nested on the main shaft turntable are driven to alternately rotate between an upper winding station and a lower winding station; each plug-in type winding needle unit comprises a winding needle center shaft, a winding needle connected with the winding needle center shaft through a winding needle connector, and a winding needle core shaft movably penetrating through the winding needle center shaft and connected with an inserting sheet movably penetrating through the winding needle connector; the winding needle middle shaft is movably assembled on the main shaft turntable through a winding outer shaft matched with a shaft sleeve, a first transmission gear is arranged on the winding needle outer shaft and is meshed and connected with driven gears arranged on two coaxially arranged transmission shafts, the two transmission shafts are in transmission connection with a winding driving motor through synchronous belt transmission pairs, and the transmission shafts are driven to rotate by corresponding winding driving motors and drive two plug-in winding needle units to rotate relative to the main shaft turntable to complete the winding of a battery cell; a tail shaft wheel is further arranged at one axial end of each winding needle central shaft, which is far away from the winding needle connector, and a tail shaft shifting wheel is arranged at the end of the winding needle central shaft, which extends out of the winding needle central shaft and is provided with the tail shaft wheel; each plug-in winding needle unit is also butted with a drawing device arranged on the vertical panel, the drawing device comprises an installation plate arranged on the vertical panel, the mounting plate is provided with a linear guide rail, a needle-out shifting block and a shifting piece pulling block are movably arranged on the linear guide rail, the needle-out shifting block and the shifting piece pulling block are respectively in transmission connection with a driving cylinder fixedly arranged on the mounting plate through a connecting block and can slide along the linear guide rail through the transmission of a matched driving cylinder, the needle-out shifting block and the shifting piece pulling block are also movably butted with the shaft tail wheel and the shaft tail shifting wheel respectively at the arrangement positions, and the needle withdrawing and poking block drives the pluggable needle rolling unit to withdraw the needle or withdraw the needle in the sliding process along the linear guide rail, and/or the shifting sheet pulling block drives the inserting sheet to be parallel to the winding needle to insert/withdraw the wound battery cell in the sliding process of the shifting sheet pulling block along the linear guide rail.
In the technical scheme, the two pole piece jacking devices comprise a negative pole piece jacking device and a positive pole piece jacking device, the negative pole piece jacking device and the positive pole piece jacking device both comprise a sliding assembly seat arranged perpendicular to a panel, the sliding assembly seat is connected with a movable frame through a first linear guide rail arranged perpendicular to the sliding assembly seat, one end, matched with the moving direction of the movable frame, of the movable frame is provided with a pole piece compression roller through a compression roller seat, the compression roller seat of the positive pole piece jacking device is also connected with a piece entering guide block matched with the winding upper auxiliary device, and the movable frame is further in transmission connection with a first driving cylinder arranged on the sliding assembly seat; the first driving cylinder drives the moving frame to drive the pole piece pressing roller and/or the sheet feeding guide block to move along the first linear guide rail, and the unreeled negative pole sheet and the unreeled positive pole sheet are matched to be pressed and attached to the diaphragm and/or drawn into the sheet; the two diaphragm jacking devices respectively comprise a first sliding group seat which is vertical to the panel, the first sliding group seat is connected with a first moving frame through a second linear guide rail which is vertical to the first sliding group seat, one end, matched with the moving direction of the first moving frame, of the first moving frame is provided with a diaphragm compression roller through a first compression roller seat, and the first moving frame is also in transmission connection with a second driving cylinder which is arranged on the first sliding group seat; the second driving cylinder drives the first moving frame to drive the diaphragm pressing roller to move along a second linear guide rail, and the diaphragm, the negative plate and the positive plate are pressed and/or pressed to clamp the negative plate in a matched manner; the diaphragm welding and cutting assembly comprises a cold and hot welding and cutting device and a welding and cutting auxiliary device which are symmetrically arranged, the cold and hot welding and cutting device and the welding and cutting auxiliary device respectively comprise a second sliding group seat which is vertical to the panel, the second sliding group seat is connected with a welding and cutting frame through a third linear guide rail which is vertical to the second sliding group seat, the welding and cutting frame of the cold and hot welding and cutting device is connected with a hot cutting welding knife through a heat insulation pad, the lower part of the hot cutting welding knife is also provided with a diaphragm cold cutting knife which is fixedly connected with the welding and cutting frame, the welding and cutting frame of the welding and cutting auxiliary device is fixedly connected with a welding and cutting cushion block which is arranged at the position and is just matched with the hot cutting knife and the diaphragm cold cutting knife, and the welding and cutting frame is also in transmission connection with a third; the third driving cylinder drives the welding and cutting frame to slide along a third linear guide rail, so that the hot cutting welding knife and the diaphragm cold cutting knife move in opposite directions with the welding and cutting cushion block, and welding and cutting are carried out on the diaphragm in a matching manner; the ending assembly comprises a third sliding group seat arranged perpendicular to the panel, the third sliding group seat is connected with a third moving frame through a fourth linear guide rail arranged perpendicular to the third sliding group seat, one end, matched with the moving direction of the third moving frame, of the third moving frame is provided with a press roller through a third press roller seat, and the third moving frame is further in transmission connection with a fourth driving cylinder arranged on the third sliding group seat; and the fourth driving cylinder drives the third moving frame to drive the compression roller to move along a fourth linear guide rail, the compression roller is matched with a diaphragm pressed and held in the diaphragm welding and cutting process, and/or a positive plate is pressed and held in the positive plate edge covering process and matched with the plug-in winding needle unit to complete the edge covering and winding ending of the positive plate of the battery cell.
In the technical scheme, the positive plate lifting assembly comprises a mounting frame which is perpendicular to a panel, a translation cylinder is vertically arranged at the end, far away from the end connected with the panel, of the mounting frame, the translation cylinder is in transmission connection with a moving seat, a suction plate rotating shaft which is parallel to the mounting frame is assembled on the moving seat through a bearing, the suction plate rotating shaft is connected with a pole plate suction rod provided with a vacuum suction disc through a swing arm, and the suction plate rotating shaft is also in transmission connection with a fifth driving cylinder arranged on the moving seat through a suction plate driving block matched with a linkage block; the translation cylinder drives the moving seat to translate, so that the pole piece sucking rod and the vacuum chuck move to the side located on the end face of the positive plate, and the fifth driving cylinder drives the pole piece rotating shaft to rotate so that the pole piece sucking rod swings and the vacuum chuck performs vacuum adsorption, and the positive plate is lifted in a matching manner.
The utility model discloses a winding mechanism lifts the subassembly through set up the positive plate in less mechanism space, when electric core convolutes to terminal position, lifts the positive plate to make things convenient for two diaphragms to cut off and weld, carry out the positive plate after the welding is accomplished and bordure the coiling, satisfy positive plate outsourcing technology demand. The utility model discloses a winding mechanism solves the problem that middle-size and small-size square electric core coiling equipment in the correlation technique field receives the space influence to realize positive plate outsourcing coiling difficulty, has realized that square little electric core positive plate outsourcing is convoluteed.
In a second aspect, the utility model adopts another technical scheme that the double-station winding machine comprises the square battery cell positive plate outer wrapping winding mechanism of the first aspect, and further comprises: the membrane unwinding mechanism comprises two membrane unwinding assemblies and is used for distributing the two membranes of the battery cell to an upper winding station of the winding mechanism in a deviation rectifying manner; the pole piece unwinding mechanism comprises two pole piece deviation rectifying and unwinding assemblies, the two pole piece deviation rectifying and unwinding assemblies are symmetrically arranged on two sides of one of the two diaphragm unwinding assemblies and are used for sequentially carrying out unwinding, length measurement, powder brushing and iron removal and deviation rectifying on a positive pole piece and a negative pole piece of a battery cell and feeding the positive pole piece and the negative pole piece to a pole piece feeding and cutting mechanism; the pole piece feeding and cutting mechanism comprises two pole piece feeding and cutting assemblies, wherein the two pole piece feeding and cutting assemblies are respectively butted with the matched pole piece deviation rectifying and unwinding assemblies and are used for feeding the positive pole piece/negative pole piece unwound by the matched pole piece deviation rectifying and unwinding assemblies to an upper winding station of the winding mechanism and cutting the positive pole piece/negative pole piece wound by the winding mechanism to a set length; the adhesive tape pasting mechanism is arranged beside the lower winding station and is used for pasting a terminating adhesive tape to the tail end of the battery cell after the edge-covering winding of the positive plate is completed; and the blanking mechanism is butted with the winding mechanism and the adhesive tape sticking mechanism at a lower winding station, and performs blanking after poor winding detection, cell core pressing and short circuit test on the cell.
As a further elaboration of the above technical solution:
in the technical scheme, each diaphragm unwinding assembly comprises a base fixedly arranged on the panel, a guide rail extending along the vertical panel is arranged on the base, a sliding seat is arranged on the guide rail and fixedly connected with a linkage plate, the linkage plate is connected with the base through a ball screw matched with a linear guide sleeve assembly, the ball screw is in transmission connection with a deviation correcting motor arranged on the linkage plate through a coupler, the deviation correcting motor can drive the linkage plate to drive the sliding seat to slide along the guide rail, a diaphragm unwinding expansion shaft movably penetrating through the panel is nested on the sliding seat and is in transmission connection with an expansion shaft cylinder arranged on the linkage plate through an expansion shaft connector, and the diaphragm unwinding expansion shaft is in transmission connection with an unwinding driving motor arranged on the linkage plate through a synchronizing wheel transmission pair; the linkage plate is further connected with a roller passing supporting plate through a sliding rod movably penetrating through the panel, a plurality of diaphragm roller passing rods sequentially arranged along the diaphragm roll feeding direction and a diaphragm electrostatic rod installed through a support are assembled on the roller passing supporting plate through bearings, and a diaphragm tension roller connected with a sixth driving cylinder through a pivoting swing arm in a transmission mode and used for tensioning the diaphragm is further arranged on the roller passing supporting plate.
In the technical scheme, the two pole piece deviation rectifying and unwinding assemblies respectively comprise a deviation rectifying and unwinding assembly, a position deviation rectifying assembly, a color code detection assembly, a tension assembly, at least one powder brushing device, at least one iron removing device, a length measuring assembly and a process deviation rectifying assembly which are sequentially arranged along the pole piece feeding direction; wherein, the deviation-rectifying unreeling component comprises a first base arranged on the panel, a first guide rail extending along the direction vertical to the panel is arranged on the first base, a first slide seat is arranged on the first guide rail, the first slide seat is fixedly connected with a follower plate, the follower plate is connected with the first base through a first ball screw matched with a first linear guide sleeve component, the first ball screw is also in transmission connection with a first deviation-rectifying motor arranged on the follower plate through a first coupler, the first deviation-rectifying motor can drive the follower plate to drive the first slide seat to slide along the first guide rail, a pole piece unreeling shaft movably penetrating through the panel is nested on the first slide seat, one end of the pole piece unreeling shaft is connected with a first unreeling motor arranged on the follower plate through a synchronous belt transmission pair, the other end of the pole piece unreeling shaft is connected with an expanding shaft body bearing a pole piece coil, the first unreeling motor can drive the pole piece unreeling shaft to drive the expanding shaft body to rotate, unreeling in a matching way; the device comprises a pole piece unwinding shaft, a tension cylinder, a follow-up plate and a tension shaft body, wherein the tension cylinder is arranged at one axial end of the pole piece unwinding shaft, can drive a tension mandrel which penetrates through the pole piece unwinding shaft and is movably butted with the tension shaft body to be inserted into or withdrawn from the tension shaft body, so that the tension shaft body tensions a pole piece coil stock, and the follow-up plate is also connected with a roller passing support provided with a pole piece roller through a first sliding rod movably penetrating through a panel; the position deviation rectifying assembly comprises a deviation rectifying frame arranged perpendicular to the panel, two deviation rectifying adjusting guide rods are fixedly arranged on the end, far away from the panel, of the deviation rectifying frame, deviation rectifying adjusting sliders are arranged on the deviation rectifying adjusting guide rods, installation pieces for installing deviation rectifying sensors are fixedly connected to the deviation rectifying adjusting sliders, and the deviation rectifying adjusting sliders can be driven by differential heads arranged on the deviation rectifying front positioning blocks to slide along the deviation rectifying adjusting guide rods so as to rectify the positions of the pole pieces in a matched mode; the color code detection assembly comprises a detection support which is arranged perpendicular to the panel, two optical axes are fixedly arranged on the end, far away from the panel, of the detection support, a detection installation seat which is driven to slide by an adjusting screw rod arranged between the two optical axes is movably arranged on the optical axes, and a color code sensor is fixedly arranged on the detection installation seat; the tension assembly comprises a tension roller fixedly arranged on a roller frame, the roller frame is in transmission connection with a sixth driving cylinder fixedly arranged on the panel through a tension swing arm shaft which is nested on the panel, and the sixth driving cylinder can drive the roller frame to drive the tension roller to swing through the tension swing arm shaft so as to adjust the tension of a traction pole piece; each powder brushing assembly comprises a pole piece powder brushing roller which is arranged in a powder suction box and is driven by a driving motor to rotate, the powder suction box is fixedly connected with a panel through a powder suction box bracket, a first compression roller is arranged on the panel at a position matched with each powder suction box, and the first compression roller presses a pole piece against the matched pole piece powder brushing roller to brush powder and remove dust; each iron removing assembly comprises a magnet arranged in an iron removing seat, and the iron removing seat is fixedly connected with the panel through a T-shaped mounting seat; the length measuring assembly comprises a length measuring angle seat fixedly connected with the panel, the length measuring angle seat is connected with a pinch roller seat provided with a length measuring compression roller through a linear guide rod, the pinch roller seat is further in transmission connection with a seventh driving air cylinder fixedly arranged on the length measuring angle seat, the length measuring angle seat is further movably connected with a length measuring roller which is in position and is matched and opposite to the length measuring compression roller through a bearing, and the length measuring roller is further connected with an encoder which is arranged at one axial end of the length measuring roller through a coupler and is used for measuring the unreeling length of a pole piece; the process subassembly of rectifying is including setting firmly the base of rectifying on the panel, the base of rectifying is through rectifying the roller mount pad of rectifying that the yaw bearing connection installation process rectified the roller, still establish the rotation axis on the base of rectifying, the support sets firmly on the rotation axis, be equipped with on the support through screw rod connector and counter roll with the electronic ball screw transmission that the roller mount pad transmission of rectifying is connected is vice, the roller mount pad of rectifying still through extension board, cam bearing and sliding groove seat with base swing joint rectifies.
In the technical scheme, the two sheet feeding and cutting assemblies respectively comprise a sheet feeding base arranged on the panel, a ball screw sliding table is arranged on the sheet feeding base and is in transmission connection with a sliding plate, a first ball screw sliding table is fixedly arranged on the sliding plate, the sliding plate is also connected with the sheet cutting assemblies through a cutter connecting block, and the first ball screw sliding table is connected with a sheet feeding clamp assembly movably butted with the sheet cutting assemblies through a sheet feeding connecting block; the ball screw sliding table drives the sliding plate to drive the pole piece cutting assembly and the first ball screw sliding table to move, so that the pole piece cutting assembly, the piece feeding clamping assembly and the pole piece clamped by the piece feeding clamping assembly move towards an upper winding station, the first ball screw sliding table is matched to drive the piece feeding clamping assembly to move, the piece feeding clamping assembly clamps the positive pole piece/the negative pole piece and moves towards the matched pole piece cutting assembly to complete piece feeding, and/or the pole piece cutting assembly cuts the positive pole piece/the negative pole piece after the winding mechanism winds the positive pole piece/the negative pole piece to a set length; the sheet feeding assembly comprises a sheet feeding support plate connected with a sheet feeding connecting block, a fixed pressing block is fixedly arranged on one side edge of the sheet feeding support plate in the width direction, the fixed pressing block is fixedly connected with a fixed sheet feeding clamp, a pressing roller is arranged on the fixed pressing block through a supporting seat, a supporting block is fixedly arranged on the other side edge of the sheet feeding support plate in the width direction, the supporting block is movably connected with a movable roller seat through a guide rod, a sheet feeding pressing roller which is opposite to the pressing roller in position and a movable sheet feeding clamp which is opposite to the fixed sheet feeding clamp in position are arranged on the movable roller seat, and the movable roller seat is also in transmission connection with an eighth driving cylinder arranged on the sheet feeding support plate; the pole piece cutting assembly comprises a cutter seat fixedly connected with a cutter connecting block, a fixed cutter seat for installing a fixed cutter is fixedly arranged on the cutter seat, the cutter seat is opposite to the end of the fixed cutter seat, a ninth driving cylinder is arranged at the end of the fixed cutter seat, the ninth driving cylinder is matched with two guide pillars through a linkage block and penetrates through the cutter seat and extends out of the cutter seat to the side of the fixed cutter seat, and the movable cutter seat is connected with a movable cutter seat through a first guide rod and a spring movably connected to the position of the movable cutter seat and a cutter pressing plate opposite to the fixed cutter.
In the technical scheme, the adhesive sticking mechanism comprises an adhesive bottom plate fixedly connected with the panel, an adhesive base is arranged on the adhesive bottom plate, a vertical plate extending along the direction vertical to the panel is fixedly arranged on one side of the adhesive base in the length direction, an adhesive tape disc, a prestretching adhesive tape assembly and a pulling and cutting adhesive tape assembly are sequentially arranged on one side wall of the vertical plate along the extending direction of the vertical plate, and the pulling and cutting adhesive tape assembly is used for bearing an adhesive tape prestretched and loosened from the adhesive tape disc by the prestretching adhesive tape assembly and pulling the adhesive tape with a set length and then cutting the adhesive tape into adhesive tape pieces; the battery cell tail part adhesive tape sticking device is characterized by also comprising an upper adhesive tape assembly which is arranged on the adhesive tape sticking base and is butted with the drawing and cutting adhesive tape assembly, wherein the upper adhesive tape assembly can convey an adhesive tape sheet to a lower winding station to finish the edge sticking of the positive plate; the pre-tensioning rubber belt assembly comprises a plurality of rubber belt rollers which are arranged perpendicular to a vertical plate, the rubber belt rollers are arranged at intervals along the extending direction of the vertical plate, a pre-tensioning roller arranged on a pre-tensioning sliding block is arranged between two of the rubber belt rollers, and the pre-tensioning sliding block is arranged on a guide shaft which is arranged vertically in a penetrating manner and is in transmission connection with a pre-tensioning cylinder; the adhesive tape pulling and cutting assembly comprises an adhesive tape pulling cylinder arranged on a vertical plate, the adhesive tape pulling cylinder is connected with a first sliding plate hung on two fourth linear guide rails through a cylinder connecting block, a top adhesive bottom plate is also hung on the two fourth linear guide rails, the first sliding plate is provided with an adhesive tape rear pressing assembly, an adhesive tape cutting assembly and an adhesive tape middle pressing assembly which are sequentially arranged along the extending direction of the vertical plate, and the adhesive tape front pressing assembly is fixedly arranged on the top adhesive bottom plate; the adhesive tape pulling cylinder can drive the first sliding plate to drive the adhesive tape rear pressing assembly, the adhesive tape cutting assembly and the adhesive tape middle pressing assembly to move towards/away from the adhesive tape front pressing assembly, the adhesive tape rear pressing assembly, the adhesive tape middle pressing assembly and the adhesive tape front pressing assembly are matched to clamp an adhesive tape and the adhesive tape cutting assembly to cut the adhesive tape, and the prestretched and loosened adhesive tape is matched to be fed forward and cut into adhesive tape pieces with set lengths; the adhesive tape front pressing assembly comprises an adhesive tape ejecting cylinder fixedly arranged on an adhesive tape ejecting bottom plate, the adhesive tape ejecting cylinder is in transmission connection with an adhesive tape ejecting block, and the adhesive tape ejecting cylinder drives the adhesive tape ejecting block to move towards the upper adhesive tape assembly and press a vacuum adsorption gluing roller of the upper adhesive tape assembly so as to press an adhesive tape; the adhesive tape back-pressing assembly comprises a back adhesive pressing cylinder fixedly arranged on the first sliding plate, and the back adhesive pressing cylinder can drive a back adhesive pressing block to vertically move and is matched with an adhesive pressing stop block which is arranged right above the back adhesive pressing block and fixedly connected with the first sliding plate to clamp the adhesive tape; the adhesive tape medium-pressure assembly comprises a medium-pressure adhesive cylinder fixedly arranged on the first sliding plate, and the medium-pressure adhesive cylinder can drive a medium-pressure adhesive block to vertically move until the medium-pressure adhesive block abuts against the adhesive ejecting block positioned right above the medium-pressure adhesive block so as to clamp an adhesive tape; the adhesive tape cutting assembly comprises an adhesive tape cutting cylinder vertically arranged on the first sliding plate, and the adhesive tape cutting cylinder can drive the adhesive tape cutter to vertically move and cut an adhesive tape clamped by the adhesive tape rear pressing assembly, the adhesive tape middle pressing assembly and the adhesive tape front pressing assembly in a matching manner into adhesive tape pieces; the upper rubber belt assembly comprises a tenth driving cylinder arranged at the other end of the rubberizing base in the length direction, the tenth driving cylinder is in transmission connection with a first mounting seat for mounting a rotating arm cylinder, the rotating arm cylinder is in pivot connection with a rubberizing rotating block arranged on the U-shaped bracket through a joint bearing and a rubberizing rotating arm, the rotary arm cylinder can drive the rubberizing rotary block to swing relative to the U-shaped bracket and drive the rubberizing pasting component arranged on the rotary arm cylinder to adsorb the adhesive tape pieces cut by the drawing-cutting adhesive tape component and send the adhesive tape pieces to the tail part of the battery cell for completing edge covering of the positive plate, the adhesive suction and sticking component comprises a rubber sticking roller mounting seat fixedly arranged on the adhesive sticking rotating block, a vacuum adsorption rubber sticking roller is assembled on the rubber sticking roller mounting seat through a bearing, the vacuum adsorption rubberizing roller is also in transmission connection with a driving motor fixedly arranged on the U-shaped bracket through a first synchronous belt transmission pair and is driven to rotate by the driving motor for rubberizing.
In the technical scheme, the blanking mechanism comprises a power taking core assembly, a winding defect eliminating assembly, an upper lifting power taking core assembly, a battery cell receiving assembly, a battery cell moving assembly, a core pressing short circuit testing assembly, an eliminating assembly and a good product conveying assembly which are arranged on the panel and are sequentially butted along the blanking direction; the feeding core assembly comprises a fifth linear guide rail extending along the blanking direction, the fifth linear guide rail is connected with a horizontal material receiving frame through a core connecting block, and the core connecting block is also in transmission connection with a material taking cylinder; the material taking cylinder drives the core connecting block to drive the horizontal material receiving frame to move, match and receive the battery core from the lower winding station and move towards the upper connecting core assembly; the winding failure removing assembly is arranged between the electricity taking core assembly and the upper lifting connecting core assembly and comprises a material blocking support arranged perpendicular to the panel, a material blocking cylinder in transmission connection with a material blocking plate is arranged on the material blocking support, and the material blocking cylinder drives the material blocking plate to move, so that the material blocking plate removes the winding failure electric core transferred by the electricity taking core assembly from the horizontal material receiving frame; the lifting electric core assembly comprises a first mounting plate arranged perpendicular to the panel, a sixth linear guide rail extending perpendicular to the panel is arranged on the first mounting plate, a core connecting sliding plate is arranged on the sixth linear guide rail and can be driven by a transverse moving cylinder arranged on the first mounting plate to slide along the sixth linear guide rail, a seventh linear guide rail is vertically arranged on the core connecting sliding plate, a core suction sliding seat is arranged on the seventh linear guide rail, a core suction mounting block is fixedly connected onto the core suction sliding seat, at least one row of vacuum suction nozzles are arranged on the core suction mounting block, and the core suction sliding seat is also in transmission connection with a lifting cylinder fixedly arranged on the core connecting sliding plate; the transverse moving cylinder drives the core receiving sliding plate to move in a matching mode, the lifting cylinder is matched to drive the core sucking sliding seat to drive the core sucking mounting block and the vacuum suction nozzle to move vertically, and the core transferred by the core taking assembly is sucked, lifted and transversely moved to the position right above the core receiving assembly in a matching mode; the battery cell receiving assembly comprises a second mounting plate which is arranged vertically to a panel, a receiving cylinder which is in transmission connection with a receiving supporting block is vertically arranged on the second mounting plate, the receiving cylinder drives the receiving supporting block to vertically move and is movably butted with the upper lifting connecting core assembly and a front supporting plate of the pressing core short circuit testing assembly, and the battery cell receiving assembly is matched with the front supporting plate, is matched with a battery cell which is lifted, moved and fed by the upper lifting connecting core assembly and is transferred to a position which is flush with the front supporting plate; the battery cell material moving assembly comprises an eighth linear guide rail extending along the blanking direction, a slider seat is arranged on the eighth linear guide rail and is in transmission connection with a material moving cylinder arranged on the panel, a vertically arranged lifting cylinder is fixedly arranged on the slider seat, and the lifting cylinder is in transmission connection with a core pulling clamping jaw frame which is positioned right above the material receiving supporting block and the front supporting plate on the arrangement position; the material moving cylinder drives the sliding seat to slide along an eighth linear guide rail, the lifting cylinder is matched to drive the core pulling clamping jaw frame to vertically move, and the battery cell is matched to move from the material receiving supporting block, the front supporting plate and the heating block of the core pressing short circuit testing assembly to the front supporting plate, the heating block and the good product conveying assembly; the pressing core short circuit testing assembly further comprises a first fixing plate and a second fixing plate which are connected through a connecting rod, the heating block is fixedly arranged on the first fixing plate, a tab contact block driven by a first air cylinder to move vertically is further arranged beside the heating block, the second fixing plate is connected with a pressing heat insulation seat provided with a pressing heating block through a pressing guide rod, the pressing heat insulation seat is further in transmission connection with a pressing air cylinder arranged on the second fixing plate, the pressing heat insulation seat is further movably connected with a tab pressing block through a third guide rod and a spring, the pressing heating block is matched and aligned with the heating block in position, and the tab pressing block is matched and aligned with the tab contact block in position; the removing assembly comprises a removing hanging plate fixedly connected with a second fixing plate through a connecting piece, the removing hanging plate is assembled with a suction nozzle sliding block capable of sliding along the direction vertical to the blanking direction through a round bar, the suction nozzle sliding block is in transmission connection with a second cylinder arranged on the removing hanging plate, the suction nozzle sliding block is also connected with a suction nozzle mounting plate provided with a pneumatic suction nozzle through a telescopic guide rod, and the suction nozzle mounting plate is also in transmission connection with a material taking cylinder arranged on the suction nozzle sliding block; the good product conveying assembly is a conveying belt butted with the pressing core short circuit testing assembly and is used for conveying and discharging the good product battery cores.
The winder of the utility model can realize the outer wrapping winding of the small square battery cell positive plate, and has reasonable structural layout and convenient operation; the utility model adopts a two-winding station structure, which has simple structure and reasonable station function distribution compared with a three-winding station structure in the market, and effectively reduces the processing and manufacturing cost; the utility model discloses a plug-in coiling assembly of winder adopts coaxial two to roll up the needle setting, and wherein first book needle is the main needle of rolling up, and the needle is rolled up for the supplementary book needle that is used for the inserted sheet to the second, can select to open or close according to electric core technology production needs, introduces "S" that the inserted sheet can effectively reduce electric core and warp, improves the yields of coiling electric core.
Drawings
Fig. 1 is a perspective view of the winding mechanism of the present invention;
FIG. 2 is a front view of FIG. 1;
fig. 3 is a perspective view of the winding assembly of the winding mechanism of the present invention;
FIG. 4 is another perspective view of the winding assembly of the winding mechanism of the present invention;
FIG. 5 is an exploded view of the pluggable winding pin unit of the present invention;
fig. 6 is a perspective view of the positive plate lifting assembly of the present invention;
fig. 7 is a perspective view of the winding machine of the present invention;
fig. 8 is a front view of the winder of the present invention;
FIG. 9 is a perspective view of the membrane unwinding mechanism of the winding machine of the present invention
Fig. 10 is a perspective view of the pole piece unwinding mechanism of the winding machine of the present invention;
fig. 11 is a perspective view of the deviation rectifying and unwinding assembly of the present invention;
FIG. 12 is a perspective view of the process deviation rectification assembly of the present invention;
fig. 13 is a perspective view of the pole piece feeding and cutting mechanism of the present invention;
fig. 14 is a perspective view of the taping mechanism of the present invention;
fig. 15 is a perspective view of the blanking mechanism of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1
Referring to fig. 1 to fig. 6, the utility model discloses a square electric core positive plate outsourcing winding mechanism is used for coiling and accomplishing the positive plate outsourcing to small-size square electric core electricity core and convolutes. The winding mechanism of this embodiment lifts the subassembly through set up positive plate in less mechanism space, when electric core convolutes to terminal position, lifts the positive plate to make things convenient for two diaphragms to cut off and weld, carry out the positive plate after the welding is accomplished and bordure the coiling, satisfy positive plate outsourcing technology demand. The utility model discloses a winding mechanism solves the problem that middle-size and small-size square electric core coiling equipment in the correlation technique field receives the space influence to realize positive plate outsourcing coiling difficulty, has realized that square little electric core positive plate outsourcing is convoluteed.
Referring to fig. 1 to 6, the utility model provides a winding mechanism 800 for wrapping up a square electric core positive plate, including establishing on the panel (not shown in fig. 1 to 6) establishing at winding assembly 100 and establishing on the panel and being located the pole piece roof pressure subassembly 200 in the circumference outside of winding assembly 100, diaphragm roof pressure subassembly 300, diaphragm weld-cut subassembly 400, positive plate lifts subassembly 500 and ending subassembly 600, wherein, winding assembly 100 includes two can be in turn at last winding station 001 and down wind station 002 pivoted plug-in winding needle unit 11, the plug-in winding needle unit 11 that is located at last winding station 001 department can accept diaphragm 01 at last winding station, negative pole piece 02 and positive plate 03 and rotate to wind station 002 department under after accomplishing to roll in advance and the inserted sheet is rolled up and is carried out positive plate winding and ending, that is also the prewind of small-size square electric core, all winds up to roll before the diaphragm welds and cuts up to 01 after the inserted sheet are to go into at last winding station 001 department After the winding is completed, the winding assembly 100 performs station changing, the pluggable winding needle unit 11 that completes the winding is wound to the lower winding station 002 together with the battery cell, and in the station changing process, the pluggable winding needle unit 11 stops working, after rotating to the lower winding station 002, the pluggable winding needle unit 11 continues the previous winding and matches to complete the outer wrapping of the positive electrode plate 03, while the pluggable winding needle unit 11 that was located at the lower winding station 002 at the previous time matches to rotate to the upper winding station 001 to prepare the winding of the next battery cell, and so-called pre-winding is to wind the winding battery cell by a certain thickness first according to the winding requirement, and then selects to perform the insertion.
The pole piece jacking assembly 200 comprises two pole piece jacking devices 21 symmetrically arranged at two sides of the winding upper auxiliary device 700, and the two pole piece jacking devices 21 are used for pressing and pasting the unreeled negative pole piece 02 and the unreeled positive pole piece 03 on the diaphragm 01 and/or drawing the piece into the diaphragm in cooperation with the winding upper auxiliary device 700. In practice, since the separator 01, the negative electrode plate 02 and the positive electrode plate 03 are distributed in the order of the separator 01, the negative electrode plate 02, the separator 01 and the positive electrode plate 03 from left to right, the negative electrode plate is pressed against the separator 01 and/or the drawing sheet is carried out by pressing the separator 01 against the negative electrode plate 02 by the pole plate pressing device 21 located on the left side, the drawing sheet is pressed against the separator 01 and/or the drawing sheet is carried out by pressing the pole plate pressing assembly 21, so that the front end of the forward feeding of the pole plate is guided towards the winding upper auxiliary device 700, the positive and negative electrode plates are fed into the plug-pull winding needle unit 11 by the conduction of the guide roller on the winding upper auxiliary device 700, and meanwhile, the pole plate pressing device 21 located on the left side can also be used for pressing the separator 01.
The membrane pressing assembly 300 comprises two membrane pressing devices 31 which are symmetrically arranged, and the two membrane pressing devices 31 are used for pressing the membrane 01, the negative plate 02 and the positive plate 03 in the processes of pre-coiling, insert sheet coiling and rotating from the upper coiling station 001 to the lower coiling station 002 of the plug-in type coiling needle unit 11 and/or pressing the two membranes 01 to press the negative plate 02 in the process of welding and cutting the membranes by the membrane welding and cutting assembly 400. In practice, during the process of pre-winding, tab winding and rotation from the upper winding station 001 to the lower winding station 002 of the plug-in winding needle unit 11, the diaphragm 01 is not yet subjected to diaphragm welding and cutting, the diaphragm 01 is still being unwound, the diaphragm pressing device 31 on the right side presses the positive plate 03 to press the diaphragm 01 against the positive plate 03, and the diaphragm pressing device 31 on the left side presses the diaphragm 01 against the negative plate 02 to press the diaphragm 01 against the negative plate 02, of course, both the positive plate 03 and the negative plate 02 are unwound in the process. When the plug-in type winding needle unit 11 rotates to the position of the lower winding station 002, the diaphragm welding and cutting assembly 400 performs the diaphragm welding and cutting process, and the plug-in type winding needle unit 11 performs the positive plate outer-wrapping winding process, the two diaphragm jacking devices 31 on the left side and the right side both jack the diaphragm 01 through jacking the diaphragm 01, so that the negative plate 02 is clamped between the two diaphragms 01, the corresponding tension is ensured, and the diaphragm welding and cutting and the positive plate outer-wrapping winding process are kept, and the diaphragm 01 and the negative plate 02 cannot be loosened.
The positive plate lifting assembly 500 is used for lifting the positive plate 03 and enabling the diaphragm welding and cutting assembly 300 to weld and cut two diaphragms 01. In practice, the positive plate 01 is lifted away from the wound separator 01, negative plate 02 and separator 01, so that the positive plate 03 can continue to be wound after the separator 01 is welded and cut, and meanwhile, the positive plate lifting assembly 500 is further arranged at the setting position so that the separator welding and cutting assembly 300 can extend between the positive plate lifting assembly 500 and the separator jacking assembly 300 after the positive plate 03 is lifted, so that the separator 01 is welded and cut. It should be understood that, in order to complete the wrapping of the positive electrode sheet, in practice, the length of the positive electrode sheet 03 is longer than that of the negative electrode sheet 02, that is, after the negative electrode sheet 02 is clamped and wound by the two separators 01, the positive electrode sheet 03 also has a length of the set number of winding turns left outside, and after the positive electrode sheet lifting assembly 500 lifts the part, so that the separators 01 are cut and welded, the positive electrode sheet 03 starts wrapping and winding from the welding position of the separators 01.
The ending assembly 600 is used for pressing and holding the diaphragm 01 in the diaphragm welding and cutting process, and/or pressing and holding the positive plate 03 in the positive plate edge covering process and matching with the plug-in winding needle unit 11 (located at the lower winding station) to complete the edge covering and winding ending of the positive plate of the battery cell. In fact, when ending subassembly 600 was cut in the diaphragm welding, held the diaphragm 01 that waits to carry out the outside of the electric core that positive plate outsourcing was convoluteed through pressing to the messenger can not be loose with the electric core that accomplishes partial coiling, and diaphragm welding cuts the back, ending subassembly 600 again through compressing tightly positive plate 03 in the above-mentioned electric core that accomplishes partial coiling, thereby guarantees that positive plate outsourcing compresses tightly.
In some embodiments, referring to fig. 1 to 5, two pluggable winding needle units 11 are installed on the revolving assembly 12, the revolving assembly 12 includes a base seat 121 fixedly connected with the panel, a spindle turntable 122 is coaxially installed on the base seat 121, the spindle turntable 122 rotates by meshing transmission of a transmission gear 123 arranged at one axial end thereof and a driving gear 126 arranged on a driving shaft of a speed reducer 125 driven by a revolving motor 124, and drives the two pluggable winding needle units 11 nested on the spindle turntable 122 to rotate alternately between an upper winding station 001 and a lower winding station 002. In practice, the pluggable winding needle unit 11 is nested and assembled on the spindle turntable 122, that is, the pluggable winding needle unit 11 can rotate along with the spindle turntable 122, and can rotate relative to the spindle turntable 122 to perform winding; and can move along the axial direction of the spindle turntable 122 so as to carry out needle withdrawing and needle pushing. Referring to fig. 5, each of the pluggable winding needle units 11 includes a winding needle central shaft 111, a winding needle 113 connected to the winding needle central shaft 111 through a winding needle connector 112, and a winding needle spindle 115 movably inserted through the winding needle central shaft 111 and connected to an insert 114 movably inserted through the winding needle connector 112; the winding needle middle shaft 111 is movably assembled on the main shaft turntable 122 through a winding outer shaft 116 matched with a shaft sleeve (not numbered in the drawing), a first transmission gear 117 is arranged on the winding needle outer shaft 116, the first transmission gear 117 is meshed and connected with driven gears 141 arranged on two coaxially arranged transmission shafts 14, the two transmission shafts 14 are in transmission connection with a winding driving motor 16 through a synchronous belt transmission pair 15, and the transmission shafts 14 are driven to rotate by the corresponding winding driving motor 16 and drive the two plug-in winding needle units 11 to rotate relative to the main shaft turntable 122 to complete the winding of a cell; in practice, the two first transmission gears 117 are in complementary interference during transmission, the first transmission gears 117 are meshed with the driven gear 141 to perform transmission, so that the needle winding outer shaft 116 rotates, the transmission shaft 14 driving the corresponding driven gear 141 to rotate is also in transmission connection with different winding driving motors 16, and thus the corresponding plug-in needle winding unit 11 can be driven by the winding driving motor 16 to rotate and wind in the upper winding station 001 and the lower winding station 002; a tail shaft wheel 118 is further arranged at one axial end of each winding needle central shaft 111 far away from the winding needle connector 112, and a tail shaft dial wheel 119 is arranged at the end of the winding needle central shaft 115 extending out of the winding needle central shaft 111 and provided with the tail shaft wheel 118; each pluggable needle coiling unit 11 is also butted with a drawing device 17 arranged on a vertical panel, the drawing device 17 comprises a mounting plate 171 arranged on the vertical panel, a linear guide rail 172 is arranged on the mounting plate 171, a needle withdrawing block 173 and a plectrum pulling block 174 are movably arranged on the linear guide rail 172, the needle withdrawing block 173 and the plectrum pulling block 174 are respectively in transmission connection with a driving cylinder 176 fixedly arranged on the mounting plate 171 through a connecting block 175 and can slide along the linear guide rail 172 through the transmission of a matched driving cylinder 176, the needle withdrawing block 173 and the plectrum pulling block 174 are also arranged on the arrangement positions to be respectively in movable butt joint with a shaft tail wheel 118 and a shaft tail wheel 119, and drives the pluggable needle winding unit 11 to take out or withdraw the needle in the process that the needle-out poking block 173 slides along the linear guide rail 172, and/or the driving insertion sheet 114 is inserted into/withdrawn from the wound battery cell parallel to the winding needle 113 during the sliding process of the shifting sheet pulling block 174 along the linear guide rail 172.
It can be understood that, in some embodiments, referring to fig. 1 to fig. 2, the two-pole plate pressing device 21 includes a negative plate pressing device 22 and a positive plate pressing device 23, each of the negative plate pressing device 22 and the positive plate pressing device 23 includes a sliding assembly seat 211 disposed vertically to the panel, the sliding assembly seat 211 is connected to a moving frame 213 through a first linear guide rail 212 disposed vertically thereto, one end of the moving frame 213 matching its moving direction (perpendicular to the axial direction of the spindle turntable 122) is equipped with a pole piece pressing roller 215 through a pressing roller seat 214, the pressing roller seat 214 of the positive plate pressing device 23 is further connected to a sheet insertion guide block 231 adapted to the winding upper auxiliary device 700, and the moving frame 213 is further in transmission connection with a first driving cylinder 216 disposed on the sliding assembly seat 211; the first driving cylinder 216 drives the moving frame 213 to drive the pole piece pressing roller 215 and/or the sheet feeding guide block 231 to move along the first linear guide rail 212, and the unreeled negative pole piece 02 and the unreeled positive pole piece 03 are pressed against the diaphragm 01 and/or are pulled into the sheet in a matching manner. In this embodiment, each of the two diaphragm pressing devices 31 includes a first sliding set seat 311 disposed perpendicular to the panel, the first sliding set seat 311 is connected to a first moving frame 313 through a second linear guide 312 disposed perpendicular to the first sliding set seat, one end of the first moving frame 313 matching the moving direction thereof is equipped with a diaphragm pressing roller 315 through a first pressing roller seat 314, and the first moving frame 313 is further in transmission connection with a second driving cylinder 316 disposed on the first sliding set seat 311; the second driving cylinder 316 drives the first moving frame 313 to drive the diaphragm pressing roller 315 to move along the second linear guide rail 312, and the diaphragm 01, the negative plate 02 and the positive plate 03 are pressed and/or the two diaphragms 01 are pressed to clamp the negative plate 02 in a matched manner. In this embodiment, the diaphragm welding and cutting assembly 400 includes a cold and hot welding and cutting device 41 and a welding and cutting auxiliary device 42 which are symmetrically arranged, each of the cold and hot welding and cutting device 41 and the welding and cutting auxiliary device 42 includes a second sliding seat 411 which is arranged vertically to the panel, the second sliding seat 411 is connected to a welding and cutting frame 413 through a third linear guide 412 which is arranged vertically to the second sliding seat, the welding and cutting frame 413 of the cold and hot welding and cutting device 41 is connected to a hot cutting welding knife 414 through a heat insulation pad (not shown in the drawing), a diaphragm cold cutting knife 415 which is fixedly connected to the welding and cutting frame 413 is further arranged at the lower part of the hot cutting welding knife 414, the welding and cutting frame 413 of the welding and cutting auxiliary device 42 is fixedly connected to a welding and cutting cushion block 421 which is arranged at a position and is aligned with the hot cutting knife 414 and the diaphragm cold cutting knife 415, and the welding and cutting frame 413 is; the third driving cylinder 416 drives the welding and cutting frame 413 to slide along the third linear guide rail 412, so that the hot cutting welding knife 414 and the diaphragm cold cutting knife 415 move opposite to the welding and cutting cushion block 421 in a matching manner, and the diaphragms are welded and cut in a matching manner. In this embodiment, the ending assembly 600 includes a third sliding group seat 61 disposed vertically to the panel, the third sliding group seat 61 is connected to a third moving frame (not shown in the drawings) through a fourth linear guide rail 62 disposed vertically to the third sliding group seat, one end of the third moving frame matching the moving direction thereof is equipped with a pressing roller 63 through a third pressing roller seat (not shown in the drawings), and the third moving frame is further in transmission connection with a fourth driving cylinder 64 disposed on the third sliding group seat 61; and the fourth driving cylinder 64 drives the third moving frame to drive the press roller 63 to move along the fourth linear guide rail 62, and the press roller is matched with the diaphragm 01 in the welding and cutting process of the diaphragm, and/or the positive plate 03 is pressed and held in the edge covering process of the positive plate and matched with the plug-in winding needle unit 11 to complete the edge covering, winding and ending of the positive plate of the battery cell.
It can be understood that, in some embodiments, referring to fig. 1, fig. 2 and fig. 6, the positive plate lifting assembly 500 includes a mounting frame 51 disposed perpendicular to the panel, a translation cylinder 52 is disposed at an end of the mounting frame 51 away from the panel, the translation cylinder 52 is in transmission connection with a moving base 53, a plate sucking rotating shaft 54 disposed parallel to the mounting frame 51 is assembled on the moving base 53 through a bearing, the plate sucking rotating shaft 54 is connected with a plate sucking rod 56 mounted with a vacuum sucking disc 55 through a swing arm 510, and the plate sucking rotating shaft 53 is further in transmission connection with a fifth driving cylinder 59 disposed on the moving base 53 through a plate sucking driving block 57 cooperating with a linkage block 58; the translation cylinder 52 drives the moving seat 53 to translate, so that the pole piece sucking rod 56 and the vacuum chuck 55 move to the side of the end face of the positive plate 03, and the fifth driving cylinder 59 is matched to drive the sucking rotating shaft 53 to rotate, so that the pole piece sucking rod 56 swings and the vacuum chuck 55 performs vacuum adsorption, and the positive plate 03 is lifted in a matching manner. The positive plate outer-package lifting assembly has the functions that the positive plate 03 is lifted independently when the battery core is wound to the tail end, the diaphragm welding assembly 400 finishes the welding and cutting of the diaphragm after being lifted, and then the winding is continued, so that the requirement of the battery core positive plate outer-package process is met, and the specific working process comprises the following steps of 1, taking the extension state of the translation cylinder 52 as a standby position, and taking the suction plate rotating shaft 53 as a lifting standby position; step 2, when the positive plate needs to be lifted, the translation cylinder 52 returns to enable the vacuum chuck 55 and the pole piece sucking rod 56 to enter a plate sucking working position; step 3, the fifth driving air cylinder 59 extends out to drive the vacuum chuck 55 to contact the positive plate through the swing arm 510, the connecting block 58, the chuck rotating shaft 53 and the pole piece sucking rod 56, and the chuck sucks the pole piece in vacuum; and 4, step 4: the fifth driving air cylinder 59 retracts to drive the vacuum chuck 55 to lift the adsorbed positive plate 03 to a standby lifting position through the swing arm 510, the connecting block 58, the chuck rotating shaft 53 and the pole piece sucking rod 56; and 5: after the positive plate is lifted, the diaphragm is welded and cut off, the vacuum chuck 55 releases the positive plate 03 and then continues to wind, and the function of lifting the outer package of the positive plate is completed.
Example 2
The utility model provides a duplex position winder, refer to figure 1 to figure 15, this winder is panel winder, be used for small-size square electric core electricity core coiling production and positive plate to convolute and bordure, the winder of figure illustration, accomplish automatically and unreel, tension control, rectify a deviation, it is convoluteed, bad detection and rejection, a series of electric core coiling required action such as unloading, realize full-automatic coiling electricity core, the small size of small-size square electric core on having solved current market, the technology precision is asked for high, the manufacturing degree of difficulty is big, equipment cost is high, the problem that the yields is low, this winder is through sending piece cutting mechanism to "pole piece", "rubberizing mechanism", "unloading mechanism" carries out the innovative design, reduce equipment cost, improve electric core production stability and improve the electric core yields.
Fig. 7 to 15 show a double-station winding machine, which includes a panel 10, wherein the panel 10 is provided with a diaphragm unwinding mechanism 20, a pole piece unwinding mechanism 30, a pole piece feeding and cutting mechanism 40, an external wrapping and winding mechanism 800 of a square battery cell positive plate in embodiment 1, an adhesive applying mechanism 60, and a blanking mechanism 70; the membrane unwinding mechanism 20 comprises two membrane unwinding assemblies 2, and is used for distributing two membranes 01 of the battery cell to an upper winding station 001 of the winding mechanism in a deviation rectifying manner; in this embodiment, the two membrane unwinding assemblies 2 are arranged at 90 ° positions, that is, the membrane unwinding assembly 2 located on the left is horizontally arranged on the panel 10, the membrane unwinding assembly 2 on the right is vertically arranged, the membrane unwinding directions are respectively the horizontal direction and the vertical direction, and the two membrane unwinding assemblies 2 match to distribute the two membranes 01 of the battery cell to the upper winding station 001 of the positive plate external winding mechanism 800; the pole piece unreeling mechanism 30 comprises two pole piece deviation-rectifying unreeling assemblies 3, the two pole piece deviation-rectifying unreeling assemblies 3 are symmetrically arranged on two sides of one of the two diaphragm unreeling assemblies 2 and used for unreeling, length measuring, brushing powder, deironing, correcting deviation and feeding the positive pole piece 03 and the negative pole piece 02 of the battery cell to the pole piece feeding and cutting mechanism 40 in sequence; in this embodiment, the two pole piece deviation rectifying and unwinding assemblies 3 are symmetrically arranged with the diaphragm unwinding assembly 2 located on the right, that is, the vertically arranged diaphragm unwinding assembly 2, as a symmetric center, and the two pole piece unwinding assemblies 3 are used for sequentially unwinding the positive pole piece and the negative pole piece of the battery cell, measuring the length, brushing powder, removing iron, and rectifying deviation respectively, and feeding the materials to the pole piece feeding and cutting mechanism 400, in this embodiment, each pole piece deviation rectifying and unwinding assembly 3 includes a deviation rectifying and unwinding assembly 301, a position rectifying assembly 302, a color code detecting assembly 303, a tension assembly 304, at least one brushing device 305, at least one iron removing device 306, a length measuring assembly 307, and a process rectifying assembly 308, which are sequentially arranged along the pole piece feeding direction, and unreel the pole piece materials through the deviation rectifying and unwinding assembly 301, and rectify the materials along the position rectifying assembly 302, the color code detecting assembly 303, the tension assembly 304, the, The length measuring component 307 and the process deviation rectifying component 308 are used for drafting, the position deviation rectifying component 302 is used for correcting the position of a pole piece unreeled from the deviation rectifying and unreeling component 301, so that the pole piece is subjected to position adjustment in the drafting process, the color code detecting component 303 is used for color code identification to judge the unreeling process or the unreeling position or the pole piece identification, the tension component 304 is used for tension adjustment of unreeling of the pole piece, the powder brushing device 305 is used for electrostatic elimination and dust removal, the iron removal device 306 is used for adsorbing scrap iron, the length measuring component 307 is used for measuring the unreeled pole piece length, so that the pole piece can be cut after the pole piece with the set length is fed by the subsequent pole piece feeding and cutting mechanism 40, and the process deviation rectifying component 308 is used for carrying out position adjustment in the transmission process before the pole piece is conveyed to the pole piece feeding and cutting mechanism 40, so. The pole piece feeding and cutting mechanism 40 comprises two pole piece feeding and cutting assemblies 4, wherein the two pole piece feeding and cutting assemblies 4 are respectively butted with matched pole piece deviation rectifying and unwinding assemblies 3, and are actually arranged at the front end of the feeding direction of the matching process deviation rectifying assembly 308, so that the pole piece unwinding mechanisms 30 are butted with the pole piece, and the pole piece feeding and cutting mechanism is used for feeding a positive pole piece 03/negative pole piece 02 unwound by the matched pole piece deviation rectifying and unwinding assemblies 3 to an upper winding station 001 of a winding mechanism 800 and cutting the positive pole piece 03/negative pole piece 02 wound by the winding mechanism 800 to a set length. In addition, since the right-side pole piece feeding and cutting assembly 4 is used for feeding the positive pole piece 03 and adapting to cutting, and the winding mechanism 800 performs the outer wrapping winding of the positive pole piece, the length of the positive pole piece fed and cut by the right-side pole piece feeding and cutting assembly 4 toward the winding mechanism 800 is longer than the length of the negative pole piece fed and cut by the left-side pole piece feeding and cutting assembly 4 in the winding process. The tape pasting mechanism 50 is arranged beside the lower winding station 002 and is used for pasting a termination tape to the tail end of the battery cell after the edge-covering winding of the positive plate is completed, namely, pasting the tape to the tail end of the wound battery cell to enable the tail end to be in a bonding state. The blanking mechanism 60 is butted with the winding mechanism 800 and the rubberizing mechanism 50 at a lower winding station 002, and performs blanking after poor winding detection, cell core pressing and short circuit test on the cell; in this embodiment, the blanking mechanism 60 includes a power taking core assembly 601, a winding defect rejecting assembly 602, an upper lifting power taking core assembly 603, a cell receiving assembly 604, a cell moving assembly 605, a core pressing short circuit testing assembly 606, a rejecting assembly 607 and a good product conveying assembly 608, which are arranged on the panel 10 and are sequentially butted along the blanking direction; in practice, the winding failure is determined by the appearance inspection of the wound cell to determine whether the winding failure is defective, and the detection of the winding failure is completed before the blanking; in the embodiment, the blanking mechanism 60 unloads the glued battery cell from the lower winding station 002 position of the winding mechanism 800, and the battery cell moves into the press core short circuit testing assembly 606 through the battery cell assembly 601, the upper lifting battery cell assembly 603, the battery cell receiving assembly 604 and the battery cell moving assembly 605 to simultaneously perform the press core and battery cell short circuit tests; after the completion, the cell is moved to the good product conveying assembly 608 by the cell moving assembly 605, the cells with bad short circuit are discharged by the rejecting assembly 607, and the good products are conveyed to the cell magazine by the good product conveying assembly 608.
The operation of the winder of this embodiment is as follows: according to the requirements of a winding process, the cell winding process comprises the steps of unwinding and correcting a cathode plate 02/an anode plate 03, detecting a bad yellow mark, controlling tension, removing iron from the cathode plate, brushing powder and absorbing dust, measuring length of the cathode plate, correcting the deviation of a cathode plate process, feeding the cathode plate, cutting the cathode plate, and then feeding the cathode plate into an upper winding station; the two layers of diaphragms 01 enter a winding station after diaphragm unwinding, tension control, static elimination and diaphragm unwinding deviation correction; winding the four layers of materials according to the process requirements of the battery core; after the winding of the upper winding station 001 is completed except for the wrapping of the positive plate, the winding assembly 100 rotates to the conversion station to the lower winding station 002 and the wrapping of the positive plate is completed, and the prepared termination adhesive tape is applied to the battery cell of the unloading station by the adhesive tape applying mechanism 50 to terminate the adhesive tape; the blanking mechanism 60 unloads the battery cell pasted with the glue from the lower winding station 002 position of the winding mechanism 800; the cell is moved into a cell pressing short circuit testing assembly 606 through a cell taking core assembly 601, an upper lifting connecting core assembly 603, a cell receiving assembly 604 and a cell moving assembly 605 to simultaneously perform cell pressing and cell short circuit testing; after the production, the battery cell is moved to the good product conveying assembly 608 by the battery cell material moving assembly 605, the battery cell with bad short circuit is discharged by the rejecting assembly 607, the good product is conveyed to the battery cell box by the good product conveying assembly 608, and finally, the production of the battery cell is completed.
In some embodiments, referring to fig. 9, each membrane unwinding assembly 2 includes a base 201 fixedly disposed on the panel 10, a guide rail 202 extending along the vertical panel 10 is disposed on the base 201, a sliding seat 203 is movably disposed on the guide rail 202, the sliding seat 203 is fixedly connected to a linkage plate 204, the linkage plate 204 is connected to the base 201 through a ball screw 205 in cooperation with a linear guide sleeve assembly 206, the ball screw 205 is further connected to a deviation-correcting motor 208 disposed on the linkage plate 204 through a coupling 207 in a transmission manner, the deviation-correcting motor 208 can drive the linkage plate 204 to drive the sliding seat 203 to slide along the guide rail 202, a membrane unwinding expansion shaft 209 movably penetrating through the panel 10 is nested on the sliding seat 203, the membrane unwinding expansion shaft 209 is connected to an expansion shaft cylinder 2011 (in this embodiment, an expansion shaft cylinder 2011 thin cylinder) disposed on the linkage plate 204 in a transmission manner through an expansion shaft connector 2010, and the membrane unwinding expansion shaft 209 is further connected to an unwinding driving motor 2013 disposed on the linkage; the linkage plate 204 is also connected with a roller-passing support plate 2016 through a slide rod 2015 movably penetrating through the panel 10, a plurality of diaphragm roller-passing devices 2017 sequentially arranged along the feeding direction of the diaphragm 01 and a diaphragm electrostatic rod 2019 arranged through a bracket 2018 are assembled on the roller-passing support plate 2016 through a bearing (not numbered in the drawing), and a diaphragm tension roller 2022 which is in transmission connection with a driving cylinder 2021 through a pivoting swing arm 2020 and is used for tensioning the diaphragm is further arranged on the roller-passing support plate 2016; when in deviation rectification and unreeling, the unreeling driving motor 2013 drives the membrane unreeling expanding shaft 209 to rotate, so that a membrane coil material which is tightly expanded on the membrane unreeling expanding shaft 209 is drawn and unreeled along the membrane passing roller 2017, the membrane electrostatic rod 2019 and the membrane tension roller 2022, the deviation rectification motor 208 is matched to drive the linkage plate 204 and the sliding seat 203 to perform deviation rectification movement relative to the base 201, so that the membrane unreeling expanding shaft 209 and the passing roller support plate 2016 are subjected to deviation rectification movement to be matched and sent to the reeling mechanism 80, the membrane unreeling expanding shaft 209 comprises a coaxially arranged expanding shaft and a shaft sleeve, the shaft sleeve is connected with the unreeling driving motor 2013 through a synchronous belt transmission pair 2012, so as to drive the membrane unreeling expanding shaft 209 to integrally rotate and unreel, the expanding shaft is in transmission connection with an expanding shaft cylinder 2011 through an expanding shaft connector 2010 arranged at one axial end of the expanding shaft and can be axially moved through an expanding shaft cylinder 2011, and an expanding shaft device arranged at the other axial end of the, thereby winding and expanding the diaphragm; the deviation-rectifying unreeling of the diaphragm is realized by driving the linkage plate 204 and the sliding seat 203 to perform deviation-rectifying movement relative to the base 201 through the deviation-rectifying motor 208, so that the diaphragm roller 2017, the diaphragm electrostatic rod 2019 and the diaphragm tension roller 2022 move in a matching manner to finish deviation rectification; the structure of the membrane deviation rectifying and unwinding assembly 2 can refer to the following description of the structure of the deviation rectifying and unwinding assembly 301 and the corresponding drawings.
In some embodiments, referring to fig. 7, 8 and 10 to 12, the deviation-correcting unwinding assembly 301 includes a first base 3011 fixed on the panel 10, a first guide rail 3012 extending along a direction perpendicular to the panel 10 is disposed on the first base 3011, a first slide 3013 is movably disposed on the first guide rail 3012, the first slide 3013 is fixedly connected to a follower plate 3014, the follower plate 3014 is connected to the first base 3011 through a first ball screw 3015 and a first linear guide sleeve assembly 3016, the first ball screw 3015 is further connected to a first deviation-correcting motor 3017 disposed on the follower plate 3014 through a first shaft coupling (not shown in the figure), the first deviation-correcting motor 3017 can drive the follower plate 3014 to drive the first slide 3013 to slide along the first guide rail 3012, a pole piece unwinding shaft 3018 movably penetrating through the panel 10 is nested on the first slide 3013, one end of the unwinding shaft 3018 is connected to a first pole piece unwinding motor 30110 disposed on the follower plate 3014 through a synchronous belt drive pair 3019, the other end of the pole piece unwinding shaft is connected with an expansion shaft body 30111 for bearing pole piece coil materials, and a first unwinding motor 30112 can drive a pole piece unwinding shaft 3018 to drive the expansion shaft body 30111 to rotate and perform unwinding in a matching mode; a tensioning cylinder 30112 is arranged at one axial end of the pole piece unreeling shaft 3018, the tensioning cylinder 30112 can drive a tensioning mandrel 30113 which penetrates through the pole piece unreeling shaft 3018 and is movably butted with the expanding shaft 30111 to be inserted into/withdrawn from the expanding shaft 30111, so that the expanding shaft 30111 tensions pole piece coiled materials, and the follow-up plate 3013 is further connected with a roller-passing support 30116 provided with a pole piece roller-passing roller 30115 through a first sliding rod 30114 which movably penetrates through the panel 10. In this embodiment, the position deviation rectifying assembly 302 includes a deviation rectifying frame 3021 installed perpendicular to the panel 10, two deviation rectifying guide rods 3022 are fixedly installed on the end of the deviation rectifying frame 3021 away from the panel 10, a deviation rectifying slider 3023 is installed on the deviation rectifying guide rods 3022, a mounting piece 3024 for mounting the deviation rectifying sensor 3027 is fixedly installed on the deviation rectifying slider 3023, in practice, the mounting piece 3024 is a mounting piece 3024 with a notch, through which the pole piece in unwinding passes, by adjusting the position of the mounting piece 3024, therefore, the pole piece is adaptively adjusted in position during the unwinding and drafting process, the deviation rectification adjusting slide block 3023 can be driven by the differential head 3026 arranged on the deviation rectification pre-positioning block 3025 to drive the deviation rectification adjusting slide block 3023 to slide along the deviation rectification adjusting guide rod 3022, so as to correct the position of the pole piece in a matching manner, the position deviation correcting assembly 302 is set only manually at the deviation correcting position, i.e. by the differential head 3027; in this embodiment, the color mark detection assembly 303 includes a detection bracket 3031 installed perpendicular to the panel 10, two optical axes 3032 are fixedly installed on the end of the detection bracket 3031 far away from the panel 10, a detection mounting base 3034 driven by an adjusting screw 3033 arranged between the two optical axes 3032 to slide is movably installed on the optical axis 3032, and a color mark sensor 3035 is fixedly installed on the detection mounting base 3034; in this embodiment, the tension assembly 304 includes a tension roller 3042 fixed on the roller frame 3041, the roller frame 3042 is in transmission connection with a first driving cylinder 3044 fixed on the panel 10 through a tension swing arm shaft 3043 nested on the panel 10, the first driving cylinder 3044 can drive the roller frame 3041 to drive the tension roller 3043 to swing through the tension swing arm shaft 3043 to adjust the tension of the drawn pole piece; in this embodiment, each brush powder assembly 305 includes a pole piece brush powder roller 3052 installed in the powder suction box 3051 and driven to rotate by a driving motor (not shown in the drawing), the powder suction box 3051 is fixedly connected to the panel 10 through a powder suction box support 3053, a pressure roller 3054 is arranged at a position on the panel 10 matching each powder suction box 3051, and the pressure roller 3054 presses the pole piece against the matched pole piece brush powder roller 3052 to brush powder and remove dust; in this embodiment, each of the deironing assemblies 306 includes a magnet (not shown in the drawings) disposed in the deironing base 3061, and the deironing base 3061 is fixedly connected to the panel 10 via a T-shaped mounting base 3062; in this embodiment, the length measuring assembly 307 includes a length measuring angle seat 3071 fixedly connected with the panel 10, the length measuring angle seat 3071 is connected with a pinch roller seat 3074 provided with a length measuring pressure roller 3073 through a linear guide rod 3072, the pinch roller seat 3074 is also in transmission connection with a second driving cylinder 3075 fixedly arranged on the length measuring angle seat 3071, the length measuring angle seat 3071 is also movably connected with a length measuring roller 3076 which is aligned with the length measuring pressure roller 3073 through a bearing (not numbered in the drawing), and the length measuring roller 3073 is also connected with an encoder 3078 which is arranged at one axial end thereof and used for measuring the unreeling length of the pole piece through a coupler 3077; the length measuring pressing roller 3073 presses the pole piece against the length measuring roller 3073 to drive the length measuring roller 3073 to rotate, and the unwinding length of the pole piece is measured by measuring the rotation number of the length measuring roller 3073 through the encoder 3078; in this embodiment, the process deviation rectifying assembly 308 includes a deviation rectifying base 3081 fixed on the panel 10, the deviation rectifying base 3081 is connected with a deviation rectifying roller mounting base 3084 of a deviation rectifying roller 3083 in the installation process through a deviation rectifying swing angle bearing 3082, the deviation rectifying base 3081 is further provided with a rotating shaft 3085, a support 3086 is fixed on the rotating shaft 3085, the support 3086 is provided with an electric ball screw transmission pair 3089 in transmission connection with the deviation rectifying roller mounting base 3084 through a screw rod connector 3087 and a support shaft 3088, and the deviation rectifying roller mounting base 3084 is also movably connected with the deviation rectifying base 3081 through a support plate 30810, a cam bearing 30811 and a sliding groove base 30812; the electric ball screw transmission pair 3089 transmits the rectification roller mounting seat 3084 to swing by taking the rectification swing angle bearing 30811 as a rotating shaft, and the rectification roller mounting seat 3084 drives the two-process rectification roller 3083 to swing to perform process rectification on the pole piece by matching with the guide of the support plate 30810, the cam bearing 30811 and the sliding groove seat 30812.
In some embodiments, referring to fig. 7 to 8 and 13, each of the two sheet feeding and cutting assemblies 4 includes a sheet feeding base 401 mounted on the panel 10, a ball screw sliding table 402 is disposed on the sheet feeding base 401, the ball screw sliding table 402 is in transmission connection with a sliding plate 403, a first ball screw sliding table 404 is fixedly disposed on the sliding plate 403, the sliding plate 403 is further connected with a pole piece cutting assembly 406 through a cutter connecting block 405, and the first ball screw sliding table 404 is connected with a sheet feeding clamp assembly 408 movably butted with the pole piece cutting assembly 406 through a sheet feeding connecting block 407; the ball screw sliding table 402 drives the sliding plate 403 to drive the pole piece cutting assembly 406 and the first ball screw sliding table 404 to move, so that the pole piece cutting assembly 406, the pole piece feeding clamp assembly 408 and the positive pole piece/negative pole piece clamped by the pole piece feeding clamp assembly 408 move towards the upper winding station 001 of the winding mechanism 800, the first ball screw sliding table 405 is matched to drive the pole piece feeding clamp assembly 408 to move, the pole piece/negative pole piece clamped by the pole piece feeding clamp assembly 408 moves towards the matched pole piece cutting assembly 406 through matching to complete the pole piece feeding, and/or the pole piece cutting assembly 406 cuts after the winding mechanism 800 winds the positive pole piece/negative pole piece to a set length. In this embodiment, the clip feeding assembly 408 includes a clip feeding support plate 4081 connected to the clip feeding connection block 407, a fixed pressing block 4082 is fixedly connected to one side of the clip feeding support plate 4081 in the width direction, the fixed pressing block 4082 is fixedly connected to the fixed clip feeding 4083, a pressing roller 4085 is installed through a support base 4084, a support block 4086 is fixedly connected to the other side of the clip feeding support plate 4081 in the width direction, the support block 4086 is movably connected to a movable roller base 4088 through a guide rod 4087, the movable roller base 4088 is provided with a clip feeding pressing roller 4089 aligned with the pressing roller 4085 in position and a movable clip feeding clamp 40810 aligned with the fixed clip feeding clip 4083 in position, and the movable roller base 4088 is further in transmission connection with a third driving cylinder 40811 provided on the clip feeding support plate 4081; the third driving cylinder 40811 drives the movable roller seat 4088 to drive the sheet feeding pressing roller 4089 and the movable sheet feeding clamp 40810 to move towards the pressing roller 4085 and the fixed sheet feeding clamp 4083, and the introduced positive electrode sheet/negative electrode sheet is clamped in a matching manner; in this embodiment, the pole piece cutting assembly 406 includes a cutter seat 4061 fixedly connected to the cutter connecting block 46, a fixed cutter seat 4063 fixedly mounted with the fixed cutter 4062 is mounted on the cutter seat 4061, a fourth driving cylinder 4064 is disposed at an end of the cutter seat 4061 opposite to the fixed cutter seat 4063, the fourth driving cylinder 4064 is connected to the movable cutter seat 4067 by a linkage block 4065 cooperating with two guide posts 4066 penetrating through the cutter seat 4061 and extending to the side where the fixed cutter seat 4063 is disposed, and the movable cutter seat 4067 is movably connected to a cutter pressing plate 4069 facing the fixed cutter 4062 in position by a first guide rod 4068 cooperating with a spring (not numbered in the drawing); the fourth driving cylinder 4064 drives the movable knife holder 4067 to drive the knife pressing plate 4069 to move relative to the fixed knife 4062, so as to cut the positive plate/negative plate wound to a set length, and the matching pole piece feeding and cutting mechanism 40 cuts the positive plate/negative plate wound to a set length by the winding mechanism 800.
In some embodiments, referring to fig. 7, 8 and 14, the gluing mechanism 50 includes an upper gluing base plate 501 fixedly connected to the panel 10, a gluing base 502 is disposed on the upper gluing base plate 501, a vertical plate 503 extending in a direction perpendicular to the panel 10 is fixedly disposed on one side of the length direction of the gluing base 502, a tape tray 504, a pre-stretching tape assembly 505 and a pulling and cutting tape assembly 506 are sequentially disposed on one side wall of the vertical plate 503 along the extending direction, and the pulling and cutting tape assembly 506 is configured to receive a terminating tape pre-stretched and loosened from the tape tray 504 by the pre-stretching tape assembly 505 and pull a tape with a set length and then cut the terminating tape into a tape sheet; the battery cell tail part adhesive tape device also comprises an upper adhesive tape component 507 which is arranged on the adhesive tape sticking base 502 and is butted with the pulling and cutting adhesive tape component 506, and the upper adhesive tape component 507 can convey adhesive tape pieces to a lower winding station 001 to finish the edge covering of the positive plate; the pre-tensioning adhesive tape assembly 505 comprises a plurality of adhesive tape rollers 551 arranged perpendicular to the vertical plate 503, the adhesive tape rollers 551 are arranged at intervals along the extending direction of the vertical plate 503, a pre-tensioning roller 553 arranged on a pre-tensioning slider 552 is further arranged between two of the adhesive tape rollers 551, the pre-tensioning slider 552 is arranged on a vertically arranged guide shaft 554 in a penetrating manner and is in transmission connection with a pre-tensioning cylinder 555, in one embodiment, the pre-tensioning cylinder 555 is arranged on a mounting seat (not numbered in the drawing) for mounting the guide shaft 554, and the pre-tensioning cylinder 555 is arranged below the pre-tensioning slider 552; the pre-drawing cylinder 555 drives the pre-drawing slider 552 to drive the pre-drawing roller 553 to vertically slide, and the pre-drawing roller is matched with the adhesive tape to be drawn by the roller 551 so as to pre-draw the adhesive tape coil to a set length. In practice, because the adhesive tape stopping the adhesive tape roll has certain viscosity, the adhesive tape is directly pulled out from the adhesive tape roll and cut, so that the adhesive tape is stretched, and the adhesive tape is stuck to the tail end of the battery cell to cause unstable sticking and insufficient tension; when the battery is prestretched, the adhesive tape is wound on the adhesive tape passing roller 551, the prestretching cylinder 555 drives the prestretching roller 553 to vertically move downwards, the prestretching roller 553 drives the adhesive tape to pull downwards, the adhesive tape roll is unreeled and a section of adhesive tape is pulled out in a matching way, the pulled adhesive tape is in a loose state, so that the pulling and cutting adhesive tape assembly 506 can conveniently clamp the adhesive tape, and the phenomenon that the adhesive tape is stretched (expanded) due to overlarge tension in the process of cutting the adhesive tape into adhesive tape pieces by the pulling and cutting adhesive tape assembly 506 is avoided, and the adhesive tape pieces are not in place and insufficient adhesive tension after being attached to the tail ends of the battery cells. The adhesive tape pulling and cutting assembly 506 comprises an adhesive tape pulling cylinder 561 arranged on the vertical plate 503, the adhesive tape pulling cylinder 561 is connected with a first sliding plate 563 hung on the two fourth linear guide rails 562 through a cylinder connecting block 561, a top adhesive base plate (not shown in the drawing) is also hung on the two fourth linear guide rails 563, an adhesive tape backward pressing assembly 565, an adhesive tape cutting assembly 566 and an adhesive tape middle pressing assembly 567 which are sequentially arranged along the extending direction of the vertical plate 503 are arranged on the first sliding plate 563, and an adhesive tape forward pressing assembly 568 is fixedly arranged on the top adhesive base plate; the adhesive tape pulling cylinder 561 can drive the first sliding plate 563 to drive the adhesive tape rear pressing component 565, the adhesive tape cutting component 566 and the adhesive tape middle pressing component 567 to move towards/away from the adhesive tape front pressing component 568, the adhesive tape rear pressing component 565, the adhesive tape middle pressing component 567 and the adhesive tape front pressing component 568 are matched to clamp the adhesive tape and the adhesive tape cutting component 566 to cut the adhesive tape, and the prestretched and loosened adhesive tape is matched to be sent forwards and cut into adhesive tape pieces with set lengths; the adhesive tape forward pressing assembly 568 comprises a top adhesive cylinder 5681 fixedly arranged on the top adhesive bottom plate 564, the top adhesive cylinder 5681 is in transmission connection with a top adhesive block 5682, and the top adhesive cylinder 5681 drives the top adhesive block 5682 to move towards the upper adhesive tape assembly 507 and press against a vacuum adsorption adhesive tape pasting roller 5782 of the upper adhesive tape assembly 507 so as to press the adhesive tape; the adhesive tape rear pressing assembly 565 comprises a rear adhesive pressing cylinder 5651 fixedly arranged on the first sliding plate 563, wherein the rear adhesive pressing cylinder 5651 can drive the rear adhesive pressing block 5652 to vertically move and is matched with an adhesive pressing stop 569 which is arranged right above the rear adhesive pressing block 5652 and fixedly connected with the first sliding plate 563 to clamp the adhesive tape; the adhesive tape middle pressure assembly 567 comprises a middle pressure adhesive cylinder 5671 fixedly arranged on the first sliding plate 563, and the middle pressure adhesive cylinder 5671 can drive a middle pressure adhesive block 5672 to vertically move until the middle pressure adhesive block 5672 abuts against a top adhesive block 5682 located right above the middle pressure adhesive block 5672 to clamp and press the adhesive tape; the adhesive tape cutting assembly 566 comprises a cutting cylinder 5661 vertically arranged on the first sliding plate 563, and the cutting cylinder 5661 can drive the cutting knife 5662 to vertically move and cut the adhesive tape which is matched and clamped by the adhesive tape rear pressing assembly 565, the adhesive tape middle pressing assembly 567 and the adhesive tape front pressing assembly 568 into adhesive tape pieces. The upper rubber belt assembly 507 comprises a tenth driving cylinder 571 arranged at the other end of the rubberizing base 502 in the length direction, the tenth driving cylinder 571 is in transmission connection with a first mounting seat 573 for mounting the rotating arm cylinder 572, the rotating arm cylinder 572 is in pivot connection with a rubberizing rotating block 577 arranged on a U-shaped support 576 through a knuckle bearing 574 and a rubberizing rotating arm 575, the rotating arm cylinder 572 can drive the rubberizing rotating block 577 to swing relative to the U-shaped support 576 and drive a rubber suction rubberizing assembly 578 arranged thereon to suck and send a rubber belt piece cut by the cutting rubber belt assembly 506 to the tail portion of the battery cell completing the edge wrapping of the positive plate, the rubber suction rubberizing assembly 578 comprises a rubberizing roller mounting seat 5781 fixedly arranged on the rubberizing rotating block 577, a vacuum suction rubberizing roller 5782 is assembled on the rubberizing roller mounting seat 5781 through a bearing (not numbered in the figure), the vacuum suction rubberizing roller 5782 is further in transmission connection with a driving motor 5784 fixedly arranged on the U-shaped support 576 through a first synchronous belt transmission pair 5783 and is driven, in practice, the driving motor 5784 drives the vacuum adsorption rubberizing roller 5782 to rotate, so that the vacuum adsorption rubberizing roller 5782 rolls the tail end of the wound battery cell to apply the adhesive tape, the swing of the adhesive adsorption rubberizing assembly 578 is to complete the taking of the adhesive tape piece from the tape drawing and cutting assembly 507 to the position matched with the tail end of the battery cell, and the vacuum adsorption rubberizing roller 5782 adopts a vacuum adsorption mode to adsorb and transfer the adhesive tape.
The tape sticking mechanism 50 in this embodiment is to pull out and cut off the tape mounted on the tape tray 504 according to a certain length, transfer the tape onto the vacuum adsorption taping roller, rotate to a certain angle, drive the vacuum adsorption taping roller to rotate, and stick the tape onto the battery cell; the working process is as follows: the adhesive tape is pulled out from the adhesive tape disc, passes through the adhesive tape pre-tensioning assembly and then passes through the adhesive tape roller to reach the adhesive tape rear pressing assembly, and the front end of the adhesive tape is exposed out of the adhesive tape to the foremost end of the adhesive tape rear pressing assembly to serve as an initial tape threading position; starting the adhesive tape feeding assembly, feeding the adhesive tape forward by the adhesive tape rear pressing assembly, and pressing the exposed part of the front end of the adhesive tape by the adhesive tape pushing block after the adhesive tape exposed at the front end of the adhesive tape reaches the upper part of the adhesive tape pushing block of the adhesive tape front pressing assembly; the adhesive tape back pressing assembly loosens the back pressing block, meanwhile, the adhesive tape back pressing assembly retreats to move, the back pressing block of the adhesive tape back pressing assembly presses the adhesive tape, the middle pressing block of the adhesive tape middle pressing assembly also presses the adhesive tape, and the vacuum adsorption rubberizing roller starts to adsorb the back of the adhesive tape in vacuum; the adhesive tape cutting assembly returns after cutting off the adhesive tape, and the adhesive tape front pressing assembly and the adhesive tape middle pressing assembly return and blow air to separate and loosen the adhesive tape; and the vacuum adsorption rubberizing roller attaches the cut adhesive tape and rotates to a rubberizing angle, the vacuum adsorption rubberizing roller rubberizes the electric core, and after the electric core rubberizing is finished, the vacuum adsorption rubberizing roller returns to wait.
In some embodiments, referring to fig. 7, 8 and 15, the core taking assembly 601 includes a fifth linear guide rail 611 extending along the blanking direction, the fifth linear guide rail 611 is connected to the horizontal material receiving frame 613 through a core receiving connecting block 612, and the core receiving connecting block 612 is further in transmission connection with a material taking cylinder 614; the material taking cylinder 614 drives the core receiving connecting block 612 to drive the horizontal material receiving frame 613 to move, and the material taking cylinder is matched with the lower winding station 001 to receive the electric core and transfer the electric core towards the upper core receiving assembly 603; the winding failure removing assembly 602 is arranged between the electricity taking core assembly 601 and the upper lifting connecting core assembly 603, and comprises a material blocking support 621 arranged on the vertical panel 10, a material blocking cylinder 623 in transmission connection with a material blocking plate 622 is arranged on the material blocking support 621, and the material blocking cylinder 623 drives the material blocking plate 622 to move, so that the material blocking plate 622 removes the winding failure electricity core transferred by the electricity taking core assembly 601 from the horizontal material receiving frame 613; the upper lifting electric core assembly 603 comprises a first mounting plate 631 arranged on the vertical panel 10, a sixth linear guide rail 632 extending from the vertical panel 10 is arranged on the first mounting plate 631, a core connecting sliding plate 633 is arranged on the sixth linear guide rail 632, the core connecting sliding plate 633 can slide along the sixth linear guide rail 632 by being driven by a traverse cylinder 634 arranged on the first mounting plate 631, a seventh linear guide rail 635 is vertically arranged on the core connecting sliding plate 633, a core suction sliding seat 636 is arranged on the seventh linear guide rail 635, a core suction mounting block 637 is fixedly connected to the core suction sliding seat 636, at least one row of vacuum suction nozzles 638 is arranged on the core suction mounting block 637, and the core suction sliding seat 636 is also in transmission connection with a lifting cylinder 639 fixedly arranged on the core connecting sliding plate 633; the traverse cylinder 634 drives the core receiving sliding plate 633 to move in a matching manner, and the lifting cylinder 639 is matched to drive the core suction sliding seat 636 to drive the core suction mounting block 637 and the vacuum suction nozzle 638 to move vertically, so that the cell transferred by the cell assembly 601 is sucked, lifted and moved transversely right above the cell receiving assembly 604 in a matching manner; the battery cell receiving assembly 604 comprises a second mounting plate 641 arranged perpendicular to the panel 10, a receiving cylinder 643 connected with a receiving supporting block 642 in a transmission manner is vertically arranged on the second mounting plate 641, the receiving cylinder 643 is used for transmitting the receiving supporting block 642 to move vertically and movably butt-joint with the upper lifting battery cell assembly 603 and the front supporting plate 661 of the core pressing short circuit testing assembly 606, and the battery cell receiving assembly is matched with a battery cell which is lifted and transversely moved by the upper lifting battery cell assembly 606 and then transferred to a position flush with the front supporting plate 661; the battery cell material moving assembly 605 comprises an eighth linear guide rail 651 extending along the blanking direction, a slider seat 652 is arranged on the eighth linear guide rail 651, the slider seat 652 is in transmission connection with a material moving cylinder 653 arranged on the panel 10, a vertically arranged lifting cylinder 654 is fixedly arranged on the slider seat 652, and the lifting cylinder 654 is in transmission connection with a core pulling clamping jaw frame 655 which is positioned right above the material receiving supporting block 642 and the front supporting plate 6613 at the arrangement position; the material moving cylinder 563 drives the sliding seat 652 to slide along the eighth linear guide 651, and the lifting cylinder 654 is matched to drive the core pulling clamping jaw frame 655 to vertically move, so as to move the battery cell from the material receiving supporting block 642, the front supporting plate 6613 and the heating block 664 of the core pressing short circuit testing component 606 to the front supporting plate 6613, the heating block 664 and the good product conveying component 608, and in practice, the battery cell moving component 605 moves the battery cell between two adjacent stations; the core pressing short circuit testing assembly 606 further comprises a first fixing plate 662 and a second fixing plate 663 which are connected through a connecting rod 661, a heating block 664 is fixedly arranged on the first fixing plate 662, a tab contact block 666 which is driven by a first air cylinder 665 to move vertically is further arranged beside the heating block 664, the second fixing plate 663 is connected with a lower-pressure heat insulation seat 669 provided with a lower-pressure heating block 668 through a lower-pressure guide rod 667, the lower-pressure heat insulation seat 669 is further in transmission connection with a lower-pressure air cylinder 6610 arranged on the second fixing plate 666, the lower-pressure heat insulation seat 669 is further movably connected with a tab lower-pressure block 6612 through a third guide rod 6611 and a spring (not numbered in the drawing), the lower-pressure heating block 668 is matched and aligned with the heating block 664 in position, and the tab lower-pressure block 6612 is matched and aligned with the tab contact; the pressing cylinder 6610 drives the pressing heat insulation block 669 to drive the pressing heating block 668 and the tab pressing block 6612 to move vertically, so that core pressing is performed on the wound battery core in a matched manner, and short circuit testing is performed on the battery core and the tab in a butt joint manner; the removing component 67 comprises a removing hanging plate 672 fixedly connected with a second fixing plate 663 through a connecting sheet 671, the removing hanging plate 672 is provided with a suction nozzle sliding block 674 capable of sliding along the vertical blanking direction through a round rod 673, the suction nozzle sliding block 674 is in transmission connection with a second air cylinder 675 arranged on the removing hanging plate 672, the suction nozzle sliding block 674 is also in transmission connection with a suction nozzle mounting plate 678 provided with a pneumatic suction nozzle 677 through a telescopic guide rod 676, and the suction nozzle mounting plate 678 is also in transmission connection with a material taking air cylinder 679 arranged on the suction nozzle sliding block 674; the material taking cylinder 679 drives the suction nozzle mounting plate 678 to drive the vacuum suction nozzles 677 to vertically move, and the suction nozzle sliding block 674 moves in cooperation with the second cylinder 675, so that defective products which are subjected to core pressing and short circuit testing are sucked into the removing box in a matching mode; and the good-quality lithium battery conveying component 608 is a conveying belt butted with the core pressing short circuit testing component 66 and is used for conveying and blanking the good-quality lithium battery.
The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims (10)

1. A winding mechanism for wrapping a square battery cell positive plate is characterized by comprising a winding assembly arranged on a panel, and a plate jacking assembly, a diaphragm welding and cutting assembly, a positive plate lifting assembly and a tail assembly which are arranged on the panel and positioned on the circumferential outer side of the winding assembly, wherein,
the winding assembly comprises two plug-in winding needle units which can alternatively rotate between an upper winding station and a lower winding station, and the plug-in winding needle unit positioned at the upper winding station can receive the diaphragm, the negative plate and the positive plate at the upper winding station and rotate to the lower winding station for edge-covering winding and ending of the positive plate after pre-winding and inserting sheet winding are completed;
the pole piece jacking assembly comprises two pole piece jacking devices which are symmetrically arranged at two sides of the winding upper assistor and are used for matching with the winding upper assistor to press and stick the unwound negative pole piece and the unwound positive pole piece to the diaphragm and/or the traction inlet piece; the diaphragm jacking assembly comprises two diaphragm jacking devices which are symmetrically arranged, and the diaphragms, the negative plates and the positive plates are tightly pressed in the processes of pre-coiling, insert sheet coiling and rotating from an upper coiling station to a lower coiling station of the plug-in type coiling needle unit, and/or the two diaphragms are jacked to clamp the negative plates in the process of welding and cutting the diaphragms by the diaphragm welding and cutting assembly; the positive plate lifting assembly is used for lifting the positive plate and enabling the diaphragm welding and cutting assembly to weld and cut the two diaphragms; the ending component is used for pressing and holding the diaphragm in the diaphragm welding and cutting process and/or pressing and holding the positive plate in the positive plate edge covering process and matching with the plug-in winding needle unit to finish the edge covering and winding ending of the positive plate of the battery cell.
2. The square-cell positive plate wrapping and winding mechanism according to claim 1, wherein the two pluggable winding needle units are mounted on a revolution assembly, the revolution assembly comprises a base seat fixedly connected with a panel, a spindle turntable is coaxially mounted on the base seat, the spindle turntable rotates through meshing transmission of a transmission gear arranged at one axial end of the spindle turntable and a drive gear arranged on a drive shaft of a speed reducer driven by a revolution motor, and drives the two pluggable winding needle units nested on the spindle turntable to alternatively rotate between an upper winding station and a lower winding station; each plug-in type winding needle unit comprises a winding needle center shaft, a winding needle connected with the winding needle center shaft through a winding needle connector, and a winding needle core shaft movably penetrating through the winding needle center shaft and connected with an inserting sheet movably penetrating through the winding needle connector; the winding needle middle shaft is movably assembled on the main shaft turntable through a winding outer shaft matched with a shaft sleeve, a first transmission gear is arranged on the winding needle outer shaft and is meshed and connected with driven gears arranged on two coaxially arranged transmission shafts, the two transmission shafts are in transmission connection with a winding driving motor through synchronous belt transmission pairs, and the transmission shafts are driven to rotate by corresponding winding driving motors and drive two plug-in winding needle units to rotate relative to the main shaft turntable to complete the winding of a battery cell; a tail shaft wheel is further arranged at one axial end of each winding needle central shaft, which is far away from the winding needle connector, and a tail shaft shifting wheel is arranged at the end of the winding needle central shaft, which extends out of the winding needle central shaft and is provided with the tail shaft wheel; each plug-in winding needle unit is also butted with a drawing device arranged on the vertical panel, the drawing device comprises an installation plate arranged on the vertical panel, the mounting plate is provided with a linear guide rail, a needle-out shifting block and a shifting piece pulling block are movably arranged on the linear guide rail, the needle-out shifting block and the shifting piece pulling block are respectively in transmission connection with a driving cylinder fixedly arranged on the mounting plate through a connecting block and can slide along the linear guide rail through the transmission of a matched driving cylinder, the needle-out shifting block and the shifting piece pulling block are also movably butted with the shaft tail wheel and the shaft tail shifting wheel respectively at the arrangement positions, and the needle withdrawing and poking block drives the pluggable needle rolling unit to withdraw the needle or withdraw the needle in the sliding process along the linear guide rail, and/or the shifting sheet pulling block drives the inserting sheet to be parallel to the winding needle to insert/withdraw the wound battery cell in the sliding process of the shifting sheet pulling block along the linear guide rail.
3. The square-cell positive plate wrapping and winding mechanism according to claim 1, wherein the two pole piece pressing devices comprise a negative plate pressing device and a positive plate pressing device, the negative plate pressing device and the positive plate pressing device both comprise a sliding assembly seat arranged perpendicular to a panel, the sliding assembly seat is connected with a moving frame through a first linear guide rail arranged perpendicular to the sliding assembly seat, one end of the moving frame, which is matched with the moving direction of the moving frame, is provided with a pole piece pressing roller through a pressing roller seat, the pressing roller seat of the positive plate pressing device is further connected with a sheet inserting guide block matched with the winding upper auxiliary device, and the moving frame is further in transmission connection with a first driving cylinder arranged on the sliding assembly seat; the first driving cylinder drives the moving frame to drive the pole piece pressing roller and/or the sheet feeding guide block to move along the first linear guide rail, and the unreeled negative pole sheet and the unreeled positive pole sheet are matched to be pressed and attached to the diaphragm and/or drawn into the sheet; the two diaphragm jacking devices respectively comprise a first sliding group seat which is vertical to the panel, the first sliding group seat is connected with a first moving frame through a second linear guide rail which is vertical to the first sliding group seat, one end, matched with the moving direction of the first moving frame, of the first moving frame is provided with a diaphragm compression roller through a first compression roller seat, and the first moving frame is also in transmission connection with a second driving cylinder which is arranged on the first sliding group seat; the second driving cylinder drives the first moving frame to drive the diaphragm pressing roller to move along a second linear guide rail, and the diaphragm, the negative plate and the positive plate are pressed and/or pressed to clamp the negative plate in a matched manner; the diaphragm welding and cutting assembly comprises a cold and hot welding and cutting device and a welding and cutting auxiliary device which are symmetrically arranged, the cold and hot welding and cutting device and the welding and cutting auxiliary device respectively comprise a second sliding group seat which is vertical to the panel, the second sliding group seat is connected with a welding and cutting frame through a third linear guide rail which is vertical to the second sliding group seat, the welding and cutting frame of the cold and hot welding and cutting device is connected with a hot cutting welding knife through a heat insulation pad, the lower part of the hot cutting welding knife is also provided with a diaphragm cold cutting knife which is fixedly connected with the welding and cutting frame, the welding and cutting frame of the welding and cutting auxiliary device is fixedly connected with a welding and cutting cushion block which is arranged at the position and is just matched with the hot cutting knife and the diaphragm cold cutting knife, and the welding and cutting frame is also in transmission connection with a third; the third driving cylinder drives the welding and cutting frame to slide along a third linear guide rail, so that the hot cutting welding knife and the diaphragm cold cutting knife move in opposite directions with the welding and cutting cushion block, and welding and cutting are carried out on the diaphragm in a matching manner; the ending assembly comprises a third sliding group seat arranged perpendicular to the panel, the third sliding group seat is connected with a third moving frame through a fourth linear guide rail arranged perpendicular to the third sliding group seat, one end, matched with the moving direction of the third moving frame, of the third moving frame is provided with a press roller through a third press roller seat, and the third moving frame is further in transmission connection with a fourth driving cylinder arranged on the third sliding group seat; and the fourth driving cylinder drives the third moving frame to drive the compression roller to move along a fourth linear guide rail, the compression roller is matched with a diaphragm pressed and held in the diaphragm welding and cutting process, and/or a positive plate is pressed and held in the positive plate edge covering process and matched with the plug-in winding needle unit to complete the edge covering and winding ending of the positive plate of the battery cell.
4. The winding mechanism for the square-cell positive plate outer wrapping is characterized in that the positive plate lifting assembly comprises a mounting frame which is perpendicular to a panel, a translation cylinder is arranged at the end, far away from the end connected with the panel, of the mounting frame, the translation cylinder is perpendicular to the end, connected with the panel, of the mounting frame, the translation cylinder is in transmission connection with a moving seat, a plate sucking rotating shaft which is parallel to the mounting frame is assembled on the moving seat through a bearing, the plate sucking rotating shaft is connected with a plate sucking rod for mounting a vacuum sucker through a swing arm, and the plate sucking rotating shaft is also in transmission connection with a fifth driving cylinder arranged on the moving seat through a plate sucking driving block matching with a linkage block; the translation cylinder drives the moving seat to translate, so that the pole piece sucking rod and the vacuum chuck move to the side located on the end face of the positive plate, and the fifth driving cylinder drives the pole piece rotating shaft to rotate so that the pole piece sucking rod swings and the vacuum chuck performs vacuum adsorption, and the positive plate is lifted in a matching manner.
5. A double-station winding machine is characterized by comprising the square battery cell positive plate outer-wrapping winding mechanism of any one of claims 1 to 4, and further comprising: the membrane unwinding mechanism comprises two membrane unwinding assemblies and is used for distributing the two membranes of the battery cell to an upper winding station of the winding mechanism in a deviation rectifying manner; the pole piece unwinding mechanism comprises two pole piece deviation rectifying and unwinding assemblies, the two pole piece deviation rectifying and unwinding assemblies are symmetrically arranged on two sides of one of the two diaphragm unwinding assemblies and are used for sequentially carrying out unwinding, length measurement, powder brushing and iron removal and deviation rectifying on a positive pole piece and a negative pole piece of a battery cell and feeding the positive pole piece and the negative pole piece to a pole piece feeding and cutting mechanism; the pole piece feeding and cutting mechanism comprises two pole piece feeding and cutting assemblies, wherein the two pole piece feeding and cutting assemblies are respectively butted with the matched pole piece deviation rectifying and unwinding assemblies and are used for feeding the positive pole piece/negative pole piece unwound by the matched pole piece deviation rectifying and unwinding assemblies to an upper winding station of the winding mechanism and cutting the positive pole piece/negative pole piece wound by the winding mechanism to a set length; the adhesive tape pasting mechanism is arranged beside the lower winding station and is used for pasting a terminating adhesive tape to the tail end of the battery cell after the edge-covering winding of the positive plate is completed; and the blanking mechanism is butted with the winding mechanism and the adhesive tape sticking mechanism at a lower winding station, and performs blanking after poor winding detection, cell core pressing and short circuit test on the cell.
6. The dual station winder of claim 5, wherein each membrane unwind assembly includes a base secured to the panel, the base is provided with a guide rail extending along the vertical panel, the guide rail is provided with a sliding seat which is fixedly connected with a linkage plate, the linkage plate is connected with the base through a ball screw matched with a linear guide sleeve assembly, the ball screw is also in transmission connection with a deviation-correcting motor arranged on the linkage plate through a coupler, the deviation rectifying motor can drive the linkage plate to drive the sliding seat to slide along the guide rail, a diaphragm unwinding expansion shaft movably penetrating through the panel is nested on the sliding seat, the diaphragm unreeling expansion shaft is in transmission connection with an expansion shaft cylinder arranged on the linkage plate through an expansion shaft connector, the diaphragm unreeling expansion shaft is also in transmission connection with an unreeling driving motor arranged on the linkage plate through a synchronous wheel transmission pair; the linkage plate is further connected with a roller passing supporting plate through a sliding rod movably penetrating through the panel, a plurality of diaphragm roller passing rods sequentially arranged along the diaphragm roll feeding direction and a diaphragm electrostatic rod installed through a support are assembled on the roller passing supporting plate through bearings, and a diaphragm tension roller connected with a sixth driving cylinder through a pivoting swing arm in a transmission mode and used for tensioning the diaphragm is further arranged on the roller passing supporting plate.
7. The double-station winding machine according to claim 5, wherein the two pole piece deviation rectifying and unwinding assemblies respectively comprise a deviation rectifying and unwinding assembly, a position deviation rectifying assembly, a color code detection assembly, a tension assembly, at least one powder brushing device, at least one iron removing device, a length measuring assembly and a process deviation rectifying assembly which are sequentially arranged along the pole piece feeding direction; wherein, the deviation-rectifying unreeling component comprises a first base arranged on the panel, a first guide rail extending along the direction vertical to the panel is arranged on the first base, a first slide seat is arranged on the first guide rail, the first slide seat is fixedly connected with a follower plate, the follower plate is connected with the first base through a first ball screw matched with a first linear guide sleeve component, the first ball screw is also in transmission connection with a first deviation-rectifying motor arranged on the follower plate through a first coupler, the first deviation-rectifying motor can drive the follower plate to drive the first slide seat to slide along the first guide rail, a pole piece unreeling shaft movably penetrating through the panel is nested on the first slide seat, one end of the pole piece unreeling shaft is connected with a first unreeling motor arranged on the follower plate through a synchronous belt transmission pair, the other end of the pole piece unreeling shaft is connected with an expanding shaft body bearing a pole piece coil, the first unreeling motor can drive the pole piece unreeling shaft to drive the expanding shaft body to rotate, unreeling in a matching way; the device comprises a pole piece unwinding shaft, a tension cylinder, a follow-up plate and a tension shaft body, wherein the tension cylinder is arranged at one axial end of the pole piece unwinding shaft, can drive a tension mandrel which penetrates through the pole piece unwinding shaft and is movably butted with the tension shaft body to be inserted into or withdrawn from the tension shaft body, so that the tension shaft body tensions a pole piece coil stock, and the follow-up plate is also connected with a roller passing support provided with a pole piece roller through a first sliding rod movably penetrating through a panel; the position deviation rectifying assembly comprises a deviation rectifying frame arranged perpendicular to the panel, two deviation rectifying adjusting guide rods are fixedly arranged on the end, far away from the panel, of the deviation rectifying frame, deviation rectifying adjusting sliders are arranged on the deviation rectifying adjusting guide rods, installation pieces for installing deviation rectifying sensors are fixedly connected to the deviation rectifying adjusting sliders, and the deviation rectifying adjusting sliders can be driven by differential heads arranged on the deviation rectifying front positioning blocks to slide along the deviation rectifying adjusting guide rods so as to rectify the positions of the pole pieces in a matched mode; the color code detection assembly comprises a detection support which is arranged perpendicular to the panel, two optical axes are fixedly arranged on the end, far away from the panel, of the detection support, a detection installation seat which is driven to slide by an adjusting screw rod arranged between the two optical axes is movably arranged on the optical axes, and a color code sensor is fixedly arranged on the detection installation seat; the tension assembly comprises a tension roller fixedly arranged on a roller frame, the roller frame is in transmission connection with a sixth driving cylinder fixedly arranged on the panel through a tension swing arm shaft which is nested on the panel, and the sixth driving cylinder can drive the roller frame to drive the tension roller to swing through the tension swing arm shaft so as to adjust the tension of a traction pole piece; each powder brushing assembly comprises a pole piece powder brushing roller which is arranged in a powder suction box and is driven by a driving motor to rotate, the powder suction box is fixedly connected with a panel through a powder suction box bracket, a first compression roller is arranged on the panel at a position matched with each powder suction box, and the first compression roller presses a pole piece against the matched pole piece powder brushing roller to brush powder and remove dust; each iron removing assembly comprises a magnet arranged in an iron removing seat, and the iron removing seat is fixedly connected with the panel through a T-shaped mounting seat; the length measuring assembly comprises a length measuring angle seat fixedly connected with the panel, the length measuring angle seat is connected with a pinch roller seat provided with a length measuring compression roller through a linear guide rod, the pinch roller seat is further in transmission connection with a seventh driving air cylinder fixedly arranged on the length measuring angle seat, the length measuring angle seat is further movably connected with a length measuring roller which is in position and is matched and opposite to the length measuring compression roller through a bearing, and the length measuring roller is further connected with an encoder which is arranged at one axial end of the length measuring roller through a coupler and is used for measuring the unreeling length of a pole piece; the process subassembly of rectifying is including setting firmly the base of rectifying on the panel, the base of rectifying is through rectifying the roller mount pad of rectifying that the yaw bearing connection installation process rectified the roller, still establish the rotation axis on the base of rectifying, the support sets firmly on the rotation axis, be equipped with on the support through screw rod connector and counter roll with the electronic ball screw transmission that the roller mount pad transmission of rectifying is connected is vice, the roller mount pad of rectifying still through extension board, cam bearing and sliding groove seat with base swing joint rectifies.
8. The double-station winding machine according to claim 5, wherein each of the two sheet feeding and cutting assemblies comprises a sheet feeding base arranged on the panel, a ball screw sliding table is arranged on the sheet feeding base and is in transmission connection with a sliding plate, a first ball screw sliding table is fixedly arranged on the sliding plate and is also connected with a pole piece cutting assembly through a cutter connecting block, and the first ball screw sliding table is connected with a sheet feeding clamp assembly movably butted with the pole piece cutting assembly through a sheet feeding connecting block; the ball screw sliding table drives the sliding plate to drive the pole piece cutting assembly and the first ball screw sliding table to move, so that the pole piece cutting assembly, the piece feeding clamping assembly and the pole piece clamped by the piece feeding clamping assembly move towards an upper winding station, the first ball screw sliding table is matched to drive the piece feeding clamping assembly to move, the piece feeding clamping assembly clamps the positive pole piece/the negative pole piece and moves towards the matched pole piece cutting assembly to complete piece feeding, and/or the pole piece cutting assembly cuts the positive pole piece/the negative pole piece after the winding mechanism winds the positive pole piece/the negative pole piece to a set length; the sheet feeding assembly comprises a sheet feeding support plate connected with a sheet feeding connecting block, a fixed pressing block is fixedly arranged on one side edge of the sheet feeding support plate in the width direction, the fixed pressing block is fixedly connected with a fixed sheet feeding clamp, a pressing roller is arranged on the fixed pressing block through a supporting seat, a supporting block is fixedly arranged on the other side edge of the sheet feeding support plate in the width direction, the supporting block is movably connected with a movable roller seat through a guide rod, a sheet feeding pressing roller which is opposite to the pressing roller in position and a movable sheet feeding clamp which is opposite to the fixed sheet feeding clamp in position are arranged on the movable roller seat, and the movable roller seat is also in transmission connection with an eighth driving cylinder arranged on the sheet feeding support plate; the pole piece cutting assembly comprises a cutter seat fixedly connected with a cutter connecting block, a fixed cutter seat for installing a fixed cutter is fixedly arranged on the cutter seat, the cutter seat is opposite to the end of the fixed cutter seat, a ninth driving cylinder is arranged at the end of the fixed cutter seat, the ninth driving cylinder is matched with two guide pillars through a linkage block and penetrates through the cutter seat and extends out of the cutter seat to the side of the fixed cutter seat, and the movable cutter seat is connected with a movable cutter seat through a first guide rod and a spring movably connected to the position of the movable cutter seat and a cutter pressing plate opposite to the fixed cutter.
9. The double-station winding machine according to claim 5, wherein the gluing mechanism comprises a gluing bottom plate fixedly connected with the panel, a gluing base is arranged on the gluing bottom plate, a vertical plate extending in a direction perpendicular to the panel is fixedly arranged on one side of the gluing base in the length direction, a tape disc, a pre-stretching tape assembly and a pulling and cutting tape assembly are sequentially arranged on one side wall of the vertical plate in the extending direction, and the pulling and cutting tape assembly is used for receiving a tape pre-stretched and loosened from the tape disc by the pre-stretching tape assembly, pulling the tape with a set length and then cutting the tape into tape pieces; the battery cell tail part adhesive tape sticking device is characterized by also comprising an upper adhesive tape assembly which is arranged on the adhesive tape sticking base and is butted with the drawing and cutting adhesive tape assembly, wherein the upper adhesive tape assembly can convey an adhesive tape sheet to a lower winding station to finish the edge sticking of the positive plate; the pre-tensioning rubber belt assembly comprises a plurality of rubber belt rollers which are arranged perpendicular to a vertical plate, the rubber belt rollers are arranged at intervals along the extending direction of the vertical plate, a pre-tensioning roller arranged on a pre-tensioning sliding block is arranged between two of the rubber belt rollers, and the pre-tensioning sliding block is arranged on a guide shaft which is arranged vertically in a penetrating manner and is in transmission connection with a pre-tensioning cylinder; the adhesive tape pulling and cutting assembly comprises an adhesive tape pulling cylinder arranged on a vertical plate, the adhesive tape pulling cylinder is connected with a first sliding plate hung on two fourth linear guide rails through a cylinder connecting block, a top adhesive bottom plate is also hung on the two fourth linear guide rails, the first sliding plate is provided with an adhesive tape rear pressing assembly, an adhesive tape cutting assembly and an adhesive tape middle pressing assembly which are sequentially arranged along the extending direction of the vertical plate, and the adhesive tape front pressing assembly is fixedly arranged on the top adhesive bottom plate; the adhesive tape pulling cylinder can drive the first sliding plate to drive the adhesive tape rear pressing assembly, the adhesive tape cutting assembly and the adhesive tape middle pressing assembly to move towards/away from the adhesive tape front pressing assembly, the adhesive tape rear pressing assembly, the adhesive tape middle pressing assembly and the adhesive tape front pressing assembly are matched to clamp an adhesive tape and the adhesive tape cutting assembly to cut the adhesive tape, and the prestretched and loosened adhesive tape is matched to be fed forward and cut into adhesive tape pieces with set lengths; the adhesive tape front pressing assembly comprises an adhesive tape ejecting cylinder fixedly arranged on an adhesive tape ejecting bottom plate, the adhesive tape ejecting cylinder is in transmission connection with an adhesive tape ejecting block, and the adhesive tape ejecting cylinder drives the adhesive tape ejecting block to move towards the upper adhesive tape assembly and press a vacuum adsorption gluing roller of the upper adhesive tape assembly so as to press an adhesive tape; the adhesive tape back-pressing assembly comprises a back adhesive pressing cylinder fixedly arranged on the first sliding plate, and the back adhesive pressing cylinder can drive a back adhesive pressing block to vertically move and is matched with an adhesive pressing stop block which is arranged right above the back adhesive pressing block and fixedly connected with the first sliding plate to clamp the adhesive tape; the adhesive tape medium-pressure assembly comprises a medium-pressure adhesive cylinder fixedly arranged on the first sliding plate, and the medium-pressure adhesive cylinder can drive a medium-pressure adhesive block to vertically move until the medium-pressure adhesive block abuts against the adhesive ejecting block positioned right above the medium-pressure adhesive block so as to clamp an adhesive tape; the adhesive tape cutting assembly comprises an adhesive tape cutting cylinder vertically arranged on the first sliding plate, and the adhesive tape cutting cylinder can drive the adhesive tape cutter to vertically move and cut an adhesive tape clamped by the adhesive tape rear pressing assembly, the adhesive tape middle pressing assembly and the adhesive tape front pressing assembly in a matching manner into adhesive tape pieces; the upper rubber belt assembly comprises a tenth driving cylinder arranged at the other end of the rubberizing base in the length direction, the tenth driving cylinder is in transmission connection with a first mounting seat for mounting a rotating arm cylinder, the rotating arm cylinder is in pivot connection with a rubberizing rotating block arranged on the U-shaped bracket through a joint bearing and a rubberizing rotating arm, the rotary arm cylinder can drive the rubberizing rotary block to swing relative to the U-shaped bracket and drive the rubberizing pasting component arranged on the rotary arm cylinder to adsorb the adhesive tape pieces cut by the drawing-cutting adhesive tape component and send the adhesive tape pieces to the tail part of the battery cell for completing edge covering of the positive plate, the adhesive suction and sticking component comprises a rubber sticking roller mounting seat fixedly arranged on the adhesive sticking rotating block, a vacuum adsorption rubber sticking roller is assembled on the rubber sticking roller mounting seat through a bearing, the vacuum adsorption rubberizing roller is also in transmission connection with a driving motor fixedly arranged on the U-shaped bracket through a first synchronous belt transmission pair and is driven to rotate by the driving motor for rubberizing.
10. The double-station winding machine according to claim 5, wherein the blanking mechanism comprises a power taking core assembly, a winding defect eliminating assembly, an upper lifting power taking core assembly, a cell receiving assembly, a cell moving assembly, a core pressing short circuit testing assembly, an eliminating assembly and a good product conveying assembly which are arranged on the panel and are sequentially butted along a blanking direction; the feeding core assembly comprises a fifth linear guide rail extending along the blanking direction, the fifth linear guide rail is connected with a horizontal material receiving frame through a core connecting block, and the core connecting block is also in transmission connection with a material taking cylinder; the material taking cylinder drives the core connecting block to drive the horizontal material receiving frame to move, match and receive the battery core from the lower winding station and move towards the upper connecting core assembly; the winding failure removing assembly is arranged between the electricity taking core assembly and the upper lifting connecting core assembly and comprises a material blocking support arranged perpendicular to the panel, a material blocking cylinder in transmission connection with a material blocking plate is arranged on the material blocking support, and the material blocking cylinder drives the material blocking plate to move, so that the material blocking plate removes the winding failure electric core transferred by the electricity taking core assembly from the horizontal material receiving frame; the lifting electric core assembly comprises a first mounting plate arranged perpendicular to the panel, a sixth linear guide rail extending perpendicular to the panel is arranged on the first mounting plate, a core connecting sliding plate is arranged on the sixth linear guide rail and can be driven by a transverse moving cylinder arranged on the first mounting plate to slide along the sixth linear guide rail, a seventh linear guide rail is vertically arranged on the core connecting sliding plate, a core suction sliding seat is arranged on the seventh linear guide rail, a core suction mounting block is fixedly connected onto the core suction sliding seat, at least one row of vacuum suction nozzles are arranged on the core suction mounting block, and the core suction sliding seat is also in transmission connection with a lifting cylinder fixedly arranged on the core connecting sliding plate; the transverse moving cylinder drives the core receiving sliding plate to move in a matching mode, the lifting cylinder is matched to drive the core sucking sliding seat to drive the core sucking mounting block and the vacuum suction nozzle to move vertically, and the core transferred by the core taking assembly is sucked, lifted and transversely moved to the position right above the core receiving assembly in a matching mode; the battery cell receiving assembly comprises a second mounting plate which is arranged vertically to a panel, a receiving cylinder which is in transmission connection with a receiving supporting block is vertically arranged on the second mounting plate, the receiving cylinder drives the receiving supporting block to vertically move and is movably butted with the upper lifting connecting core assembly and a front supporting plate of the pressing core short circuit testing assembly, and the battery cell receiving assembly is matched with the front supporting plate, is matched with a battery cell which is lifted, moved and fed by the upper lifting connecting core assembly and is transferred to a position which is flush with the front supporting plate; the battery cell material moving assembly comprises an eighth linear guide rail extending along the blanking direction, a slider seat is arranged on the eighth linear guide rail and is in transmission connection with a material moving cylinder arranged on the panel, a vertically arranged lifting cylinder is fixedly arranged on the slider seat, and the lifting cylinder is in transmission connection with a core pulling clamping jaw frame which is positioned right above the material receiving supporting block and the front supporting plate on the arrangement position; the material moving cylinder drives the sliding seat to slide along an eighth linear guide rail, the lifting cylinder is matched to drive the core pulling clamping jaw frame to vertically move, and the battery cell is matched to move from the material receiving supporting block, the front supporting plate and the heating block of the core pressing short circuit testing assembly to the front supporting plate, the heating block and the good product conveying assembly; the pressing core short circuit testing assembly further comprises a first fixing plate and a second fixing plate which are connected through a connecting rod, the heating block is fixedly arranged on the first fixing plate, a tab contact block driven by a first air cylinder to move vertically is further arranged beside the heating block, the second fixing plate is connected with a pressing heat insulation seat provided with a pressing heating block through a pressing guide rod, the pressing heat insulation seat is further in transmission connection with a pressing air cylinder arranged on the second fixing plate, the pressing heat insulation seat is further movably connected with a tab pressing block through a third guide rod and a spring, the pressing heating block is matched and aligned with the heating block in position, and the tab pressing block is matched and aligned with the tab contact block in position; the removing assembly comprises a removing hanging plate fixedly connected with a second fixing plate through a connecting piece, the removing hanging plate is assembled with a suction nozzle sliding block capable of sliding along the direction vertical to the blanking direction through a round bar, the suction nozzle sliding block is in transmission connection with a second cylinder arranged on the removing hanging plate, the suction nozzle sliding block is also connected with a suction nozzle mounting plate provided with a pneumatic suction nozzle through a telescopic guide rod, and the suction nozzle mounting plate is also in transmission connection with a material taking cylinder arranged on the suction nozzle sliding block; the good product conveying assembly is a conveying belt butted with the pressing core short circuit testing assembly and is used for conveying and discharging the good product battery cores.
CN202020416016.1U 2020-03-27 2020-03-27 Square electric core positive plate outsourcing winding mechanism and duplex position winder Active CN211700486U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113903978A (en) * 2021-10-11 2022-01-07 三一技术装备有限公司 Multi-coil battery cell winding device
CN113972405A (en) * 2021-10-19 2022-01-25 三一技术装备有限公司 Electricity core coiling mechanism

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113903978A (en) * 2021-10-11 2022-01-07 三一技术装备有限公司 Multi-coil battery cell winding device
CN113972405A (en) * 2021-10-19 2022-01-25 三一技术装备有限公司 Electricity core coiling mechanism
CN113972405B (en) * 2021-10-19 2023-11-28 三一技术装备有限公司 Battery cell winding device

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