CN108675039B - Winding process for realizing zero-speed punching and automatic rubberizing of lithium battery pole piece - Google Patents
Winding process for realizing zero-speed punching and automatic rubberizing of lithium battery pole piece Download PDFInfo
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- CN108675039B CN108675039B CN201810519080.XA CN201810519080A CN108675039B CN 108675039 B CN108675039 B CN 108675039B CN 201810519080 A CN201810519080 A CN 201810519080A CN 108675039 B CN108675039 B CN 108675039B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
- B65H35/06—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with blade, e.g. shear-blade, cutters or perforators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/30—Lifting, transporting, or removing the web roll; Inserting core
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/16—Registering, tensioning, smoothing or guiding webs longitudinally by weighted or spring-pressed movable bars or rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating devices
- B65H35/0073—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating devices
- B65H35/0073—Details
- B65H35/008—Arrangements or adaptations of cutting devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H37/00—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/19—Specific article or web
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Abstract
The invention discloses a winding process for realizing zero-speed punching and automatic rubberizing on a lithium battery pole piece. The winding process skillfully utilizes the small holes to paste the double-sided adhesive tape on the surface of the front layer of the coiled material, and simultaneously, the adhesive force between the tail end of the coiled material and the upper layer of the coiled material can be adjusted by increasing or decreasing the number of the small holes or the size of the hole diameter, so that the tail end of the coiled material after winding can be ensured not to be loose, and the automatic uncoiling of the next procedure can be ensured. The winding process realizes zero-speed punching and labeling in the winding process, does not cause stagnation or belt clamping influence on the winding speed, is favorable for ensuring the normal operation of the winding work, is easy to realize the tunneling of the lithium battery pole piece industrial line so as to control environmental parameters and reduce the influence of environmental change on products; meanwhile, the rolling process realizes unmanned and automatic rolling and circulation of the coiled materials, realizes no manual intervention and improves the production efficiency.
Description
Technical Field
The invention relates to the technical field of lithium battery pole piece rolling, in particular to a rolling process for realizing zero-speed punching and automatic rubberizing on a lithium battery pole piece.
Background
Along with the stricter and stricter requirement on the humidity of the lithium ion battery production environment, the influence of operators on the humidity of the production environment is avoided as much as possible in the production process of the lithium ion battery, and the unmanned operation of the lithium ion battery pole piece coiled material in the whole process of rolling and uncoiling is realized as much as possible. In order to prevent the coiled material from loosening, when the traditional coiled material is coiled, the end of the coiled material needs to be stuck with a stop rubber.
At present, two methods for sticking the stop adhesive are available: one is to paste single-sided adhesive paper, the single-sided adhesive paper is pasted at the tail end of a coiled material and on the surface of the upper layer of the coiled material, and the pasting mode cannot meet the automatic uncoiling of the next procedure; and secondly, the double-sided adhesive tape is pasted at the tail end of the coiled material, but does not cover the surface of the upper layer of the coiled material at the same time, and a little dot-shaped double-sided adhesive tape needs to be manually pasted between the tail end of the coiled material and the upper layer in order to prevent the coiled material from loosening.
Therefore, the research and development of the winding process which can ensure that the tail end of the coiled material is not loose and can ensure the automatic uncoiling of the next procedure have important significance.
Disclosure of Invention
The invention aims to provide a winding process for realizing zero-speed punching and automatic rubberizing of a lithium battery pole piece aiming at the defects of the prior art. The winding process skillfully utilizes the small holes to paste the double-sided adhesive tape on the surface of the front layer of the coiled material, and simultaneously, the adhesive force between the tail end of the coiled material and the upper layer of the coiled material can be adjusted by increasing or decreasing the number of the small holes or the size of the hole diameter, so that the tail end of the coiled material after winding can be ensured not to be loose, and the automatic uncoiling of the next procedure can be ensured.
The purpose of the invention is realized by the following technical scheme.
A winding process for realizing zero-speed punching and automatic rubberizing of a lithium battery pole piece comprises the following steps:
(1) sequentially passing the lithium battery pole piece through a zero-speed punching and labeling device and a positioning and cutting device, and winding on a winding device with automatic roll changing;
(2) when the winding is finished and the roll needs to be changed, the zero-speed punching and labeling device punches holes on the moving lithium battery pole piece and labels are attached near the punched positions; at the moment, the positioning and cutting device starts to detect and fix the labels near the punching holes of the lithium battery pole pieces in motion, and meanwhile, the tracking roller of the positioning and cutting device approaches to a new winding drum replaced by the automatic winding device;
(3) when the positioning and cutting device detects and positions the label near the punching hole of the moving lithium battery pole piece to reach the tracking roller of the positioning and cutting device, the tracking roller of the positioning and cutting device is contacted with a new winding drum replaced by the winding device capable of automatically changing the winding, and meanwhile, a cutter of the positioning and cutting device cuts off the lithium battery pole piece from the back of the punching hole to finish the winding change;
(4) and after the label of the cut part of the lithium battery pole piece is detected by the automatic double-faced adhesive tape sticking device arranged on one side of the automatic roll changing winding device, the double-faced adhesive tape sticking device sticks double-faced adhesive tape at the punched part, and winding is finished.
Preferably, the zero-speed punching and labeling device comprises an online zero-speed punching machine and an automatic labeling machine, wherein a punching assembly of the online zero-speed punching machine and a labeling assembly of the automatic labeling machine are transversely arranged in parallel along the lithium battery pole piece, namely, a labeling position and a punching position on the lithium battery pole piece are transversely arranged in parallel.
More preferably, the pole piece inlet side and the pole piece outlet side of the online zero-speed perforating machine are respectively provided with a floating roller, the floating roller at the pole piece inlet side and the floating roller at the pole piece outlet side are respectively arranged on a linear track, the floating rollers at the pole piece inlet side and the floating rollers at the pole piece outlet side are fixedly connected through a synchronous belt with a sliding block, and the synchronous belt with the sliding block is driven to run through a synchronous belt driving wheel and a synchronous belt driven wheel; in the running process of the synchronous belt, the floating roller at the pole piece inlet side and the floating roller at the pole piece outlet side are driven to run in opposite directions.
More preferably, when the zero-speed punching and labeling device punches and labels on the moving lithium battery pole piece, the moving direction of the floating roller at the pole piece inlet side of the online zero-speed punching machine is the same as the running direction of the floating roller at the pole piece inlet side of the lithium battery pole piece, and the entering lithium battery pole piece is stored; and the moving direction of the floating roller at the pole piece outlet side of the online zero-speed punching machine is opposite to the moving direction of the lithium battery pole piece entering the pole piece outlet side floating roller, so that the output lithium battery pole piece is released, the moving speed of the lithium battery pole piece at the punching and labeling position is kept to be zero, and the moving speed of the lithium battery pole piece in the whole process is kept unchanged.
Preferably, the number of the holes is more than one, and is set according to actual requirements.
Preferably, the positioning and cutting device comprises a positioning tracker and an automatic cutting machine; the positioning tracker is provided with a program for identifying and positioning a label adhered to the position near the punching hole of the lithium battery pole piece by the zero-speed punching and labeling device; the positioning tracker is disposed on a cutter assembly of the automatic cutting machine.
Preferably, the pole piece side of advancing of location cutting device is provided with the roller of crossing that floats, and the roller setting of crossing that floats is on linear rail, and floats and cross the roller and link firmly through the hold-in range that has the slider, and the hold-in range that has the slider passes through hold-in range action wheel and hold-in range driven pulley and drives the operation.
More preferably, when the speed of the lithium battery pole piece entering the positioning and cutting device is not matched with the winding speed of the winding device for automatic roll change, the balance adjustment is carried out through the floating roller on the pole piece inlet side of the positioning and cutting device; when the speed of the lithium battery pole piece entering the positioning and cutting device is greater than the winding speed of the winding device for automatic roll change, the floating roller on the side of the pole piece entering the positioning and cutting device moves in the same direction as the entering running direction of the lithium battery pole piece through the transmission of the synchronous belt, stores the entering lithium battery pole piece, and reduces the speed of the lithium battery pole piece entering the positioning and cutting device; when the speed of the lithium battery pole piece entering the positioning and cutting device is smaller than the winding speed of the automatic roll changing winding device, the floating roller on the side of the pole piece entering the positioning and cutting device moves in the direction opposite to the entering running direction of the lithium battery pole piece through the transmission of the synchronous belt, the entered lithium battery pole piece is released, and the speed of the lithium battery pole piece entering the automatic roll changing winding device is improved.
Preferably, when the winding device capable of automatically changing the coil is used for changing a new winding drum or taking down a coiled material which is completely wound, the coiled material is conveyed and placed through an AGV trolley, and the full automation and the manual operation removal of the process are realized.
Preferably, the automatic double-sided adhesive tape sticking device comprises an automatic double-sided adhesive tape sticking machine and a positioning tracker arranged on the automatic double-sided adhesive tape sticking machine; the positioning tracker is provided with a program for identifying and positioning the label adhered to the position near the punching hole of the lithium battery pole piece by the zero-speed punching and labeling device.
And sticking a double-sided adhesive tape at the position of the punched hole, so that the double-sided adhesive tape is stuck on the surface of the front layer of the coiled material through the hole, and the other surface of the double-sided adhesive tape is used for sticking a subsequent automatic uncoiling splicing tape.
Preferably, the zero-speed punching and labeling device, the positioning and cutting device, the automatic roll changing and winding device and the automatic double-sided adhesive tape sticking device are controlled by an automatic control system.
More preferably, the automatic control system comprises a communicating program for controlling the winding diameter and the roll change of the winding device for automatically changing the roll, controlling the zero-speed punching and labeling device to punch and label, controlling the positioning and cutting device to position and track the label and cut off the lithium battery pole piece, controlling the positioning and cutting device to track the roller to position and track the winding roll, controlling the winding device for automatically changing the roll, and controlling the automatic double-sided adhesive tape sticking device to position and track the label and stick the adhesive tape.
The winding process for realizing zero-speed punching and automatic rubberizing of the lithium battery pole pieces is suitable for winding of different lithium battery pole pieces or foils and is suitable for coiled materials with different diameters.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) the winding process realizes zero-speed punching and labeling in the winding process, and can balance and adjust the speed of the pole piece through the floating roller in the positioning and cutting device, so that the winding speed is not stagnated or the influence of a clamping belt is avoided, and the normal operation of the winding work is favorably ensured;
(2) the winding process disclosed by the invention is easy to realize tunneling of a lithium battery pole piece industrial line so as to control environmental parameters and reduce the influence of environmental change on products;
(3) the rolling process realizes unmanned and automatic rolling and circulation of the coiled materials, realizes no manual intervention and improves the production efficiency.
Drawings
FIG. 1 is a cross-sectional view of a lithium battery pole piece passing through a positioning and cutting device in example 1;
FIG. 2a is a cross-sectional view of the lithium battery pole piece of example 2 passing through an on-line zero-speed punch in a zero-speed punching and labeling apparatus;
FIG. 2b is a side view of the lithium battery pole piece of example 2 passing through an on-line zero-speed punch in the zero-speed punch labeling apparatus;
FIG. 3a is a perspective view of the cartridge of the wind-up apparatus for auto reel change used in example 3;
FIG. 3b is a right side view of the cartridge of the wind-up apparatus for auto reel change used in embodiment 4;
FIG. 3c is a cross-sectional view taken along D-D of FIG. 3 b;
FIG. 4a is a front view of the double-sided tape of example 4 passing through an automatic double-sided tape dispenser;
FIG. 4b is a rear view of the automatic double-stick tape dispenser used in example 4;
fig. 4c is a cross-sectional view of the unwinding assembly of the automatic double-sided adhesive tape sticking device used in embodiment 4;
FIG. 4d is a cross-sectional view of the take-up assembly of the automatic double-sided adhesive tape dispenser used in example 4;
FIG. 4e is a front view of the driving and cutting blade system of the automatic double-sided tape dispenser used in example 4;
FIG. 4f is a rear view of the driving and cutting system of the automatic double-stick device used in example 4;
FIG. 4g is a cross-sectional view of the structure taken along line A-A in FIG. 4 e;
FIG. 4h is a transverse sectional view of the automatic double-stick tape dispenser used in example 4;
fig. 5 is a schematic flow chart of a winding process for performing zero-speed punching and automatic adhesive tape pasting on a lithium battery pole piece in embodiment 5.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to specific examples and drawings, but the scope and implementation of the present invention are not limited thereto.
Example 1
A winding process for realizing zero-speed punching and automatic rubberizing of a lithium battery pole piece is shown in a flow schematic diagram with reference to FIG. 5, and comprises the following specific steps:
(1) sequentially passing the lithium battery pole piece through a zero-speed punching and labeling device 1 and a positioning and cutting device 2, and winding on an automatic roll changing winding device 3;
the zero-speed punching and labeling device 1 comprises an online zero-speed punching machine and an automatic labeling machine, wherein a punching component of the online zero-speed punching machine and a labeling component of the automatic labeling machine are transversely arranged in parallel along a lithium battery pole piece, namely a labeling position on the lithium battery pole piece is transversely arranged in parallel with a punching position; the floating roller at the side of the pole inlet sheet and the floating roller at the side of the pole outlet sheet are respectively arranged on a linear track, the floating roller at the side of the pole inlet sheet and the floating roller at the side of the pole outlet sheet are fixedly connected through a synchronous belt with a sliding block, and the synchronous belt with the sliding block is driven to run through a driving wheel and a driven wheel of the synchronous belt; in the running process of the synchronous belt, the floating roller at the side of the pole inlet sheet and the floating roller at the side of the pole outlet sheet are driven to run in opposite directions;
when the zero-speed punching and labeling device 1 punches and labels on a moving lithium battery pole piece, the moving direction of a floating roller at the side of a pole feeding plate of the online zero-speed punching machine is the same as the running direction of the floating roller at the side of the pole feeding plate of the lithium battery pole piece, and the entering lithium battery pole piece is stored; the moving direction of the floating roller at the pole piece outlet side of the online zero-speed punching machine is opposite to the moving direction of the lithium battery pole piece entering the floating roller at the pole piece outlet side, the output lithium battery pole piece is released, the moving speed of the lithium battery pole piece at the punching and labeling position is kept to be zero, and the moving speed of the lithium battery pole piece in the whole process is kept unchanged;
the positioning cutting device 2 comprises a positioning tracker and an automatic cutting machine; the positioning tracker is provided with a program for identifying and positioning the label adhered to the position near the punching hole of the lithium battery pole piece by the zero-speed punching and labeling device; the positioning tracker is disposed on the cutter assembly 22 of the automatic cutting machine;
referring to fig. 1, a floating roller 20 is arranged on the pole piece inlet side of the positioning and cutting device 2, the floating roller 20 is arranged on a linear track, the floating roller 20 is fixedly connected through a synchronous belt with a sliding block, and the synchronous belt with the sliding block is driven to run through a synchronous belt driving wheel and a synchronous belt driven wheel; when the speed of the lithium battery pole piece entering the positioning and cutting device is not matched with the winding speed of the winding device for automatic roll change, the balance adjustment is carried out through the floating roller on the pole piece entering side of the positioning and cutting device; when the speed of the lithium battery pole piece entering the positioning and cutting device is greater than the winding speed of the winding device for automatic roll change, the floating roller on the side of the pole piece entering the positioning and cutting device 2 moves in the same direction as the entering running direction of the lithium battery pole piece through the transmission of the synchronous belt, stores the entering lithium battery pole piece and reduces the speed of the lithium battery pole piece entering the positioning and cutting device; when the speed of the lithium battery pole piece entering the positioning and cutting device 2 is lower than the winding speed of the winding device for automatic coil change, the floating roller on the side of the pole piece entering the positioning and cutting device moves in the direction opposite to the entering running direction of the lithium battery pole piece through the transmission of the synchronous belt, the entered lithium battery pole piece is released, and the speed of the lithium battery pole piece entering the winding device for automatic coil change is improved;
(2) when the winding is finished and the roll needs to be changed, the zero-speed punching and labeling device 1 punches holes on the moving lithium battery pole piece and labels are attached to the positions near the punched holes, the number of the punched holes is 1, and the number of the labeled labels is 1; at the moment, the positioning and cutting device 2 starts to detect and fix the labels near the punching holes of the lithium battery pole pieces in motion, and meanwhile, the tracking roller of the positioning and cutting device 2 approaches to a new winding drum replaced by the winding device 3 for automatically changing the winding roll;
when the winding device 3 with automatic roll change is used for replacing a new winding drum or taking down a coiled material which is completely wound, the coiled material is conveyed and placed by an AGV trolley, so that the complete automation and the manual operation removal of the process are realized;
(3) when the positioning and cutting device 2 detects and positions the label near the punching hole of the moving lithium battery pole piece to reach the tracking roller of the positioning and cutting device 2, the tracking roller of the positioning and cutting device 2 contacts a new winding drum replaced by the winding device capable of automatically changing the winding, and meanwhile, a cutter of the positioning and cutting device 2 cuts off the lithium battery pole piece from the back of the punching hole to finish the winding change;
(4) the cut lithium battery pole piece with the label and the hole is continuously wound on the original winding drum, and after the label at the cut part of the lithium battery pole piece is detected through the automatic double-sided adhesive tape pasting device 4 arranged on one side of the automatic roll changing winding device 3, the double-sided adhesive tape is pasted at the punched part by the automatic double-sided adhesive tape pasting device 4, and winding is completed.
The automatic double-sided adhesive tape sticking device 4 comprises an automatic double-sided adhesive tape sticking machine and a positioning tracker arranged on the automatic double-sided adhesive tape sticking machine; the positioning tracker is provided with a program for identifying and positioning the label adhered to the position near the punching hole of the lithium battery pole piece by the zero-speed punching and labeling device;
the zero-speed punching and labeling device 1, the positioning and cutting device 2, the automatic roll changing winding device 3 and the automatic double-sided adhesive tape sticking device 4 are controlled by an automatic control system; the automatic control system comprises a rolling diameter and a roll changing of a rolling device for controlling automatic roll changing, a punching and labeling device for controlling zero-speed punching and labeling, a positioning and cutting device for controlling positioning and tracking of labels and cutting off lithium battery pole pieces, a positioning and cutting device for controlling tracking of a roller positioning and tracking of a rolling winding roll, an automatic roll changing of the rolling device for controlling automatic roll changing, and a communicating program for controlling automatic double-sided adhesive tape sticking device for positioning and tracking of labels and adhesive tape sticking.
Example 2
The zero-speed punching and labeling device 1 adopted is the same as the device in the embodiment 1, and comprises an online zero-speed punching machine and an automatic labeling machine, wherein a punching component of the online zero-speed punching machine and a labeling component of the automatic labeling machine are transversely juxtaposed along a lithium battery pole piece, namely, a labeling position and a punching position on the lithium battery pole piece are transversely juxtaposed;
specifically, the cross-sectional view and the side view of the lithium battery pole piece passing through the on-line zero-speed perforating and labeling device 1 are respectively shown in fig. 2a and fig. 2 b; the online zero-speed perforating machine in the zero-speed perforating and labeling device 1 comprises a machine base 15 and a machine body 16, wherein the machine body 16 is arranged on the machine base 15; the machine body 16 comprises a belt feeding side fixed roller group 11, a belt discharging side fixed roller group 12, a floating roller assembly 13 and a punching assembly 14; the belt feeding side fixed roller group 11 and the belt discharging side fixed roller group 12 are arranged above the floating roller assembly 13, the belt feeding side fixed roller group 11 and the belt discharging side fixed roller group 12 are respectively arranged at two sides of the punching assembly 14, the floating roller assembly 13 is arranged right below the punching assembly 14, and the belt feeding side fixed roller group 11 and the belt discharging side fixed roller group 12 are horizontally and symmetrically distributed by taking a connecting line of the floating roller assembly 13 and the punching assembly 14 as an axis along a side view direction; the floating roller assembly 13 comprises a belt feeding side floating roller 131, a synchronous belt group 132, a first slider group 133, a belt discharging side floating roller 134, a first linear guide rail group 135, a second linear guide rail group 136, a synchronous belt driving wheel 137, a second slider group 138 and a synchronous belt driven wheel 139; the floating roller 131 at the belt feeding side is positioned at the belt feeding side, and the floating roller 134 at the belt discharging side is positioned at the belt discharging side; the belt-feeding side floating roller 131 is parallel to the belt-discharging side floating roller 134; the synchronous belt group 132 includes two synchronous belts respectively distributed at both end sides of the floating roller 131 at the belt feeding side; the first slider group 133 and the second slider group 138 each include two sliders respectively distributed on both end sides of the floating roller 131 on the tape feeding side; the first linear guide rail group 135 and the second linear guide rail group 136 each include two linear guide rails respectively distributed on both end sides of the floating roller 131 on the belt feeding side; two ends of the belt-feeding side floating roller 131 are respectively arranged on two guide rails of the first linear guide rail group 135, and two ends of the belt-discharging side floating roller 134 are respectively arranged on two guide rails of the second linear guide rail group 136; on one end side of the floating roller 131 on the belt feeding side, the floating roller 131 on the belt feeding side and the floating roller 134 on the belt discharging side are respectively fixedly connected to a synchronous belt of the synchronous belt group 132 through sliders of the first slider group 133 and the second slider group 138, one end of a synchronous belt of the synchronous belt group 132 is wound on a synchronous belt driving wheel 137, and the other end of the synchronous belt is wound on a synchronous belt driven wheel 139; the belt feeding side fixed roller group 11 sequentially comprises a belt feeding side first fixed roller 111, a belt feeding side second fixed roller 112, a belt feeding side third fixed roller 113 and a belt feeding side fourth fixed roller 114 along the advancing direction of the belt material; the inner common tangent of the belt outlet end of the first fixed belt passing roller 111 at the belt inlet side and the belt inlet end of the floating belt passing roller 131 at the belt inlet side is parallel to the movement direction of the sliding block on the first linear guide rail group 135; the second fixed roller 112 at the belt feeding side is arranged right above the first linear guide rail group 135, and the outer common tangent of the belt feeding end of the second fixed roller 112 at the belt feeding side and the belt discharging end of the floating roller 131 at the belt feeding side is parallel to the movement direction of the sliding block on the first linear guide rail group 135; the belt feeding end of the third fixed roller 113 at the belt feeding side is externally tangent to the belt outlet end of the second fixed roller 112 at the belt feeding side in the horizontal direction, the belt outlet end of the third fixed roller 113 at the belt feeding side and the belt feeding end of the fourth fixed roller 114 at the belt feeding side are on the same vertical plane, and the belt outlet end of the fourth fixed roller 114 at the belt feeding side and the punching position of the punching assembly 14 are on the same horizontal plane;
a tape pressing rod 115 is further arranged at the tape outlet end of the second fixed roller 112 at the tape inlet side; the strip outlet side fixed roller group 12 sequentially comprises a strip outlet side first fixed roller 121, a strip outlet side second fixed roller 122, a strip outlet side third fixed roller 123 and a strip outlet side fourth fixed roller 124 along the advancing direction of the strip; the belt feeding end of the first fixed roller 121 at the belt discharging side and the punching position of the punching assembly 14 are positioned on the same horizontal plane, the belt discharging end of the first fixed roller 121 at the belt discharging side and the belt feeding end of the second fixed roller 122 at the belt discharging side are positioned on the same vertical plane, and the belt discharging end of the second fixed roller 122 at the belt discharging side and the belt feeding end of the third fixed roller 123 at the belt discharging side are horizontally externally tangent; the third fixed passing roller 123 at the belt outlet side is arranged right above the second linear guide rail group 136, and the outer common tangent of the belt outlet end of the third fixed passing roller 123 at the belt outlet side and the belt inlet end of the floating passing roller 134 at the belt outlet side is parallel to the movement direction of the sliding block on the second linear guide rail group 136; the inner common tangent of the belt inlet end of the belt outlet side fourth fixed roller 124 and the belt outlet end of the belt outlet side floating roller 134 is parallel to the movement direction of the slide blocks on the second linear guide rail set 136.
Example 3
The same as the embodiment 1, wherein the chuck on the winding device 3 for automatically changing the roll is a double-acting pneumatic mechanical chuck;
specifically, a perspective view and a right side view of the double acting pneumatic mechanical chuck are shown in fig. 3a and 3b, respectively, wherein a cross-sectional view taken along the direction D-D in fig. 3b is shown in fig. 3 c; the double acting pneumatic mechanical chuck comprises a first gas joint 31, a mandrel 32, a first chamber 33, a piston assembly 34, a swash block 35, a second chamber 36, a second gas joint 37, a cylinder 38 and a chuck body 39; the first air connector 31 is arranged at one end of the mandrel 32, and the first air connector 31 is communicated with the first chamber 33 arranged at the other end of the mandrel 32 through a first vent hole 321 inside the mandrel 32; the piston assembly 34 includes a piston pusher 341 and a piston pusher 342; the piston pushing table 341 is a second-order circular table, the first-order circular table close to the mandrel 32 is a lower circular table, and the diameter of the upper circular table is smaller than that of the lower circular table; the part of the bottom of the lower round table of the piston pushing table 341 close to the mandrel 32 is hollowed, and a first chamber 33 is formed by the hollowed part and one end of the mandrel 32 far away from the first air joint 31; a cushion pad 322 is arranged at the contact position of the mandrel 32 and the lower round table of the piston pushing table 341; the piston push head 342 fixes the inclined block 35 on the top of the upper round table of the piston push table 341; the cylinder 38 is wrapped by the end of the mandrel 32 far away from the first air joint 31 after extending through the edge, and the edge extending part of the end of the mandrel 32 far away from the first air joint 31 is fixedly connected with the chuck body 39 through a screw; the cylinder 38 is communicated with the inside of the chuck body 39, and the inner diameter of the inside of the cylinder 38 is larger than that of the inside of the chuck body 39;
the piston assembly 34 is arranged in the communicated inner part of the cylinder body 38 and the chuck body 39, the lower circular table moving range of the piston pushing table 341 is the inner part of the cylinder body 38, and the upper circular table moving range of the piston pushing table 341 is the inner part of the chuck body 39 and the inner space of the cylinder body 38 close to the chuck body 39; the diameter of the lower round platform of the piston pushing platform 341 is smaller than the inner diameter of the cylinder body 38, and the diameter of the upper round platform of the piston pushing platform 341 is smaller than the inner diameter of the chuck body 39; a compression type piston ring 343 is mounted on the side surface of the lower circular truncated cone of the piston pushing table 341, and the compression type piston ring 343 is in close contact with the inner wall of the cylinder body 38 and is used for hermetically isolating the first chamber 33 and the second chamber 36; a fixed air ring 390 is arranged on the inner wall of the chuck body 39 communicated with the cylinder body 38, the air ring 390 is tightly contacted with the side surface of the upper round table of the piston pushing table 341, and the second chamber 36 and the inside of the chuck body 39 are hermetically isolated; a first sealing ring 381 and a second sealing ring 382 are respectively arranged at the joint of the cylinder body 38 and the edge extension part of the mandrel 32 and the joint of the chuck body 39 and the edge extension part of the mandrel 32; the clamp head body 39 is nested with an inclined block claw 391, and the inclined block claw 391 and the inclined block 35 are of an integral structure; a rubber block 392 is arranged on the outer side of the inclined block claw 391 and is used for being in flexible contact with the charging barrel; the outer part of the chuck body 39 near the connection with the edge extension part of the mandrel 32 is in a frustum shape and is a centering frustum 310; a space enclosed between the top of the lower circular truncated cone of the piston pushing table 341, the side of the upper circular truncated cone, the inner wall of the cylinder body 38 and the chuck body 39 forms a second chamber 36; the second chamber 36 communicates with the second air connector 37 through a second vent hole 361; the second ventilation hole 361 is arranged at the edge extension part of the mandrel 32, and an air receiving port communicated with the second air connector 37 is formed in the side surface of the edge extension part of the mandrel 32; the second air connector 37 is butted with the air receiving port through a fastening piece 311, and a third sealing ring 371 is installed at the butted position.
Example 4
As in embodiment 1, the front view and the back view of the automatic double-sided tape sticking device 4 are respectively shown in fig. 4a and 4b, and the automatic double-sided tape sticking device includes an unwinding assembly 41, a winding assembly 42, a transmission and cutting system 43, a torque output power system 44 and an aluminum alloy vertical plate 45;
the unwinding assembly 41 comprises an unwinding chuck 411, an unwinding disc 412, an unwinding shaft seat 413, a damping ring 414, a friction ring 415, a compression spring 416, an adjusting nut 417 and an unwinding shaft 418, and a cross-sectional view of the unwinding assembly 41 is shown in fig. 4 c; the unwinding shaft bearing 413 penetrates through and is fixedly arranged on the aluminum alloy vertical plate 45; the unreeling shaft 418 passes through the unreeling shaft holder 413 and is coaxially installed in the unreeling shaft holder 413; the unwinding disc 412 and the unwinding chuck 411 are sequentially arranged on the extending end of the unwinding shaft 418 on the front side of the aluminum alloy vertical plate 45 from the direction far away from the front side of the aluminum alloy vertical plate 45; a first spring expansion block 4101 is nested on the unreeling chuck 411; the friction ring 415, the compression spring 416 and the adjusting nut 417 are sequentially arranged on the extending end of the unreeling shaft 418 on the back of the aluminum alloy vertical plate 45 from the direction far away from the back of the aluminum alloy vertical plate 45; damping ring 414 is installed between friction ring 415 and aluminum alloy riser 45; the compression spring 416 is in compression between the friction ring 415 and the adjustment nut 417; the adjusting nut 417 is mounted through matching threads on the extending end of the unreeling shaft 418 on the back surface of the aluminum alloy vertical plate 45, and the telescopic state of the compression spring 416 is adjusted through screwing in and out of the unreeling shaft 418;
the winding assembly 42 includes a winding chuck 421, a winding disc 422, a winding bearing seat 423, a first pulley 424 and a winding shaft 425, and a cross-sectional view of the winding assembly is shown in fig. 4 d; the rolling bearing seat 423 penetrates through and is fixedly arranged on the aluminum alloy vertical plate 45; the take-up shaft 425 penetrates the take-up bearing housing 423 and is coaxially installed in the take-up bearing housing 423; from the direction far away from the front side of the aluminum alloy vertical plate 45, the winding disc 422 and the winding chuck 421 are sequentially arranged on the extending end of the winding shaft 425 on the front side of the aluminum alloy vertical plate 45; the first belt pulley 424 is arranged on the extending end of the winding shaft 425 on the back surface of the aluminum alloy vertical plate 45; a second spring expansion block 4201 is nested on the rolling chuck 421;
the transmission and cutting system 43 comprises a transmission assembly 46, a cutting assembly 47, a first tie rod 48, a second tie rod 49 and a rubberizing roller cylinder 410; the front and rear views of the drive and cutter system are shown in fig. 4e and 4f, respectively, with the sectional view of the structure taken along the direction a-a in fig. 4e being shown in fig. 4 g; the transmission assembly 46 includes a main transmission roller 461, a transmission bearing seat 462, a sun gear 463, a first gear 464, a transmission wheel 465 and a second belt pulley 466; the transmission bearing seat 462 penetrates through and is fixedly arranged on the aluminum alloy vertical plate 45; the shaft part of the main driving roller 461 penetrates through and is arranged in the driving bearing seat 462, and the roller part extends out of the front surface of the aluminum alloy vertical plate 45; one end of the first tie bar 48 and the sun gear 463 are sequentially arranged on the end part of the bearing seat 462 extending out of the back surface of the aluminum alloy vertical plate 45 from the direction close to the back surface of the aluminum alloy vertical plate 45; from the direction far away from the back of the aluminum alloy vertical plate 45, a first gear 464, a transmission wheel 465 and a second belt pulley 466 are sequentially arranged on the extending end of the main transmission roller 461 on the back of the aluminum alloy vertical plate 45, and the first gear 464 is close to the end part of the bearing seat 462 extending out of the back of the aluminum alloy vertical plate 45; one end of the second tie rod 49 is mounted on the shaft portion of the main driving roller 461 between the first gear 464 and the driving pulley 465; the cutter assembly 47 is arranged on the outer side of the aluminum alloy vertical plate 45; the cutter assembly 47 comprises a rubberizing roller 471, a cutter 472, a cutter fixing ring 473, a cutter lifting planetary gear 474 and a second gear 475; the shaft part of the rubberizing roller 471 penetrates through and is installed in the shaft core of the cutter lifting planetary gear 474, the roller part is located on the front side of the aluminum alloy vertical plate 45, and the winding diameter of the unreeling component 41 is larger than that of the rubberizing roller 471; the gear part of the cutter lifting planetary gear 474 is positioned on the back side of the aluminum alloy vertical plate 45; on the back side of the aluminum alloy vertical plate 45, the other end of the second tie bar 49, the other end of the first tie bar 48 and the second gear 475 are sequentially mounted on the shaft part of the rubberizing roller 471 in the direction that the end part of the shaft of the rubberizing roller 471 is close to the gear part of the cutter lifting planetary gear 474; the shaft core part of the cutter lifting planetary gear 474 extends along two sides respectively, extends along the direction close to the back of the aluminum alloy vertical plate 45, spans the aluminum alloy vertical plate 45 to the front side of the aluminum alloy vertical plate 45, extends along the direction far away from the back of the aluminum alloy vertical plate 45 to the other end of the first tie bar 48 and is fixedly connected with the other end of the first tie bar 48; the cutter 472 is arranged on the roller part of the rubberizing roller 471 away from the outside and is fixed through a cutter fixing ring 473, and the cutter fixing ring 473 is fixed on the shaft core part of the cutter lifting planetary gear 474 extending to the front side of the aluminum alloy vertical plate 45; wherein, the two ends of the first tie bar 48 are movably mounted on the shaft parts of the bearing seat 462 and the rubberizing roller 471, the two ends of the second tie bar 49 are movably mounted on the shaft parts of the main driving roller 461 and the rubberizing roller 471, respectively, and the first tie bar 48 is movably connected with the output shaft of the rubberizing roller cylinder 410; the roller end of the main driving roller 461 is connected with the roller end of the rubberizing roller 471 through a connecting rod 476; a planetary gear set 431 is arranged between the first gear 464 and the second gear 475 to indirectly engage the first gear 464 and the second gear 475, the planetary gear set 431 comprises two planetary gears, and the indirect engagement speed reduction ratio of the first gear 464 and the second gear 475 is 41; the sun gear 463 is directly meshed with a gear part of the cutter lifting planetary gear 474; the first tie bar 48 is connected with the output shaft of the rubberizing roller cylinder 410; the first pulley 424 is in driving connection with a driving wheel 465 through a first synchronous belt 426; the reduction ratio of the first belt pulley 424 to the transmission wheel 465 is 41;
the torque output power system 44 is arranged on the back of the aluminum alloy vertical plate 45, as shown in fig. 4 h; a synchronous pulley 441 is mounted at the output end of the torque output power system 44, and the synchronous pulley 441 is in transmission connection with a second pulley 466 through a second synchronous belt 442; the torque output powertrain 44 includes a servomotor; the output shaft of the servo motor transmits the output torque output power to the synchronous pulley 441 at the output end of the system through a bevel gear 443;
meanwhile, a press roller assembly 451 is also arranged between the winding end of the main driving roller 461 and the winding end of the winding chuck 421, and the press roller assembly 451 is installed on the aluminum alloy vertical plate 45; the press roller assembly 451 comprises a press roller 4511 and a cam handle 4513 in transmission connection with the press roller 4511 through a press roller shaft 4512; the cam handle 4513 drives the pressing roller 4511 to press the unwinding end of the main driving roller 461 through the pressing roller shaft 4512 by rotating along the outer side direction of the aluminum alloy vertical plate 45; the cam handle 4513 drives the pressing roller 4511 to be lifted from the unwinding end of the main driving roller 461 through the pressing roller shaft 4512 by rotating along the inner side direction of the aluminum alloy vertical plate 45;
a transition wheel 452 is arranged between the roll outlet end of the main driving roller 461 and the roll inlet end of the rubberizing roller 471; the transition wheel 452 is mounted on the aluminum alloy vertical plate 45.
Example 5
Same as example 1, except that: the same zero-speed punching and labeling device 1 as that of the embodiment 2, the same automatic roll changing winding device 3 as that of the embodiment 3 and the same automatic double-sided adhesive tape sticking device 4 as that of the embodiment 4 are adopted, and the flow schematic diagram is shown in fig. 5.
The above embodiments are merely preferred embodiments of the present invention, and the technical solutions of the present invention are described in further detail, but the present invention is not limited to the above embodiments, and any changes, substitutions, or modifications that do not depart from the spirit of the present invention are included in the scope of the present invention.
Claims (9)
1. The utility model provides a realize zero-speed punching and automatic rubberizing's rolling technology to lithium-ion battery pole piece which characterized in that includes the following step:
(1) sequentially passing the lithium battery pole piece through a zero-speed punching and labeling device and a positioning and cutting device, and winding on a winding device with automatic roll changing;
(2) when the winding is finished and the roll needs to be changed, the zero-speed punching and labeling device punches holes on the moving lithium battery pole piece and labels are attached near the punched positions; at the moment, the positioning and cutting device starts to detect and fix the labels near the punching holes of the lithium battery pole pieces in motion, and meanwhile, the tracking roller of the positioning and cutting device approaches to a new winding drum replaced by the automatic winding device;
(3) when the positioning and cutting device detects and positions the label near the punching hole of the moving lithium battery pole piece to reach the tracking roller of the positioning and cutting device, the tracking roller of the positioning and cutting device is contacted with a new winding drum replaced by the winding device capable of automatically changing the winding, and meanwhile, a cutter of the positioning and cutting device cuts off the lithium battery pole piece from the back of the punching hole to finish the winding change;
(4) and after the label of the cut part of the lithium battery pole piece is detected by the automatic double-faced adhesive tape sticking device arranged on one side of the automatic roll changing winding device, the double-faced adhesive tape sticking device sticks double-faced adhesive tape at the punched part, and winding is finished.
2. The winding process according to claim 1, wherein the zero-speed punching and labeling device is a device comprising an online zero-speed punching machine and an automatic labeling machine, wherein a punching component of the online zero-speed punching machine and a labeling component of the automatic labeling machine are transversely juxtaposed along the lithium battery pole piece, namely, a labeling position and a punching position on the lithium battery pole piece are transversely juxtaposed.
3. The winding process according to claim 2, wherein floating rollers are respectively arranged on the pole piece inlet side and the pole piece outlet side of the online zero-speed perforating machine, the floating rollers on the pole piece inlet side and the floating rollers on the pole piece outlet side are respectively arranged on the linear track, the floating rollers on the pole piece inlet side and the floating rollers on the pole piece outlet side are fixedly connected through a synchronous belt with a sliding block, and the synchronous belt with the sliding block is driven to run through a synchronous belt driving wheel and a synchronous belt driven wheel; in the running process of the synchronous belt, the floating roller at the pole piece inlet side and the floating roller at the pole piece outlet side are driven to run in opposite directions.
4. The winding process is characterized in that when the zero-speed punching and labeling device punches and labels on a moving lithium battery pole piece, the moving direction of a floating roller on the side of the pole piece of the online zero-speed punching machine is the same as the running direction of the floating roller on the side of the pole piece of the lithium battery pole piece, and the entered lithium battery pole piece is stored; and the moving direction of the floating roller at the pole piece outlet side of the online zero-speed punching machine is opposite to the moving direction of the lithium battery pole piece entering the pole piece outlet side floating roller, so that the output lithium battery pole piece is released, the moving speed of the lithium battery pole piece at the punching and labeling position is kept to be zero, and the moving speed of the lithium battery pole piece in the whole process is kept unchanged.
5. The winding process according to claim 1, wherein the positioning and cutting device comprises a positioning tracker and an automatic cutting machine; the positioning tracker is provided with a program for identifying and positioning a label adhered to the position near the punching hole of the lithium battery pole piece by the zero-speed punching and labeling device; the positioning tracker is disposed on a cutter assembly of the automatic cutting machine.
6. The winding process according to claim 1, wherein a floating roller is arranged on the side of the pole feeding piece of the positioning and cutting device, the floating roller is arranged on the linear track and fixedly connected through a synchronous belt with a sliding block, and the synchronous belt with the sliding block is driven to run through a driving pulley of the synchronous belt and a driven pulley of the synchronous belt; when the speed of the lithium battery pole piece entering the positioning and cutting device is not matched with the winding speed of the winding device for automatic roll change, the balance adjustment is carried out through the floating roller on the pole piece entering side of the positioning and cutting device; when the speed of the lithium battery pole piece entering the positioning and cutting device is greater than the winding speed of the winding device for automatic roll change, the floating roller on the side of the pole piece entering the positioning and cutting device moves in the same direction as the entering running direction of the lithium battery pole piece through the transmission of the synchronous belt, stores the entering lithium battery pole piece, and reduces the speed of the lithium battery pole piece entering the positioning and cutting device; when the speed of the lithium battery pole piece entering the positioning and cutting device is smaller than the winding speed of the automatic roll changing winding device, the floating roller on the side of the pole piece entering the positioning and cutting device moves in the direction opposite to the entering running direction of the lithium battery pole piece through the transmission of the synchronous belt, the entered lithium battery pole piece is released, and the speed of the lithium battery pole piece entering the automatic roll changing winding device is improved.
7. The winding process according to claim 1, wherein the automatic double-sided adhesive tape sticking device comprises an automatic double-sided adhesive tape sticking machine and a positioning tracker arranged on the automatic double-sided adhesive tape sticking machine; the positioning tracker is provided with a program for identifying and positioning the label adhered to the position near the punching hole of the lithium battery pole piece by the zero-speed punching and labeling device.
8. The winding process according to any one of claims 1 to 7, wherein the zero-speed punching and labeling device, the positioning and cutting device, the winding device with automatic roll change and the automatic double-sided adhesive tape pasting device are controlled by an automatic control system.
9. The winding process according to claim 8, wherein the automatic control system comprises a communication program for controlling the winding diameter and the reel change of the winding device for automatic reel change, controlling the zero-speed punching and labeling device for punching and labeling, controlling the positioning and cutting device for positioning, tracking and cutting the label and the lithium battery pole piece, controlling the positioning and cutting device for tracking and tracking the winding roll by the tracking roll, controlling the winding device for automatic reel change for reel change, and controlling the positioning and tracking label and the adhesive tape of the automatic double-sided adhesive tape sticking device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810519080.XA CN108675039B (en) | 2018-05-28 | 2018-05-28 | Winding process for realizing zero-speed punching and automatic rubberizing of lithium battery pole piece |
| PCT/CN2018/103472 WO2019227739A1 (en) | 2018-05-28 | 2018-08-31 | Winding process for achieving zero-speed punching and automatic adhesion of lithium battery pole piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810519080.XA CN108675039B (en) | 2018-05-28 | 2018-05-28 | Winding process for realizing zero-speed punching and automatic rubberizing of lithium battery pole piece |
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| Publication Number | Publication Date |
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| CN108675039A CN108675039A (en) | 2018-10-19 |
| CN108675039B true CN108675039B (en) | 2020-06-16 |
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| CN201810519080.XA Active CN108675039B (en) | 2018-05-28 | 2018-05-28 | Winding process for realizing zero-speed punching and automatic rubberizing of lithium battery pole piece |
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| WO (1) | WO2019227739A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108675039B (en) * | 2018-05-28 | 2020-06-16 | 深圳市赢合科技股份有限公司 | Winding process for realizing zero-speed punching and automatic rubberizing of lithium battery pole piece |
| CN108557552B (en) * | 2018-05-28 | 2024-02-09 | 深圳市赢合科技股份有限公司 | Online zero-speed punching device |
| CN112510267B (en) * | 2020-12-24 | 2022-04-01 | 惠州市超聚电池有限公司 | Winding method of battery cell pole piece and battery cell preparation method |
| CN113998511B (en) * | 2021-11-05 | 2024-01-19 | 深圳吉阳智能科技有限公司 | Method for reducing speed and punching V angle and device for reducing speed and punching V angle |
| CN114872418A (en) * | 2022-04-22 | 2022-08-09 | 合肥金杭包装材料有限公司 | Novel compounding method based on high-barrier rigid material on solvent-free compounding machine |
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| WO2019227739A1 (en) | 2019-12-05 |
| CN108675039A (en) | 2018-10-19 |
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