CN207726453U - Wrap-up for material strip - Google Patents

Wrap-up for material strip Download PDF

Info

Publication number
CN207726453U
CN207726453U CN201721924071.6U CN201721924071U CN207726453U CN 207726453 U CN207726453 U CN 207726453U CN 201721924071 U CN201721924071 U CN 201721924071U CN 207726453 U CN207726453 U CN 207726453U
Authority
CN
China
Prior art keywords
pressure roller
wrap
guide rail
linear module
material strip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201721924071.6U
Other languages
Chinese (zh)
Inventor
李洪峰
彭旭东
詹先校
谢珂
陈军强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningde Amperex Technology Ltd
Original Assignee
Ningde Amperex Technology Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningde Amperex Technology Ltd filed Critical Ningde Amperex Technology Ltd
Priority to CN201721924071.6U priority Critical patent/CN207726453U/en
Application granted granted Critical
Publication of CN207726453U publication Critical patent/CN207726453U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Battery Electrode And Active Subsutance (AREA)

Abstract

The application provides a kind of wrap-up for material strip, including:Scroll, material strip, which is wrapped circumferentially around on Scroll, forms material volume;Pressing roll mechanism, including axial direction pressure roller identical with Scroll;Pressure roller is resisted against the outer surface of material volume with constant pressure.The application's is designed to provide a kind of wrap-up for material strip, enters winding when so that material strip is in best flat to be greatly reduced while material strip winding tension.

Description

Wrap-up for material strip
Technical field
This application involves a kind of wrap-ups for material strip.
Background technology
At present since lithium cell cathode winds structure and the factor of cathode material itself, it is susceptible in wrapup procedure Gun barrel problem.Gun barrel problem is that exclusion is not compacted because there is gas when winding between pole piece and pole piece, pole piece deformation Intermediate muster and one side coating area can all cause air row not come out, when take-up diameter is increasing in such cases, Pole piece is inevitably caused to cause two sides irregular toward rolling to each side.
The prior art is connected after the completion of pole piece cold pressing by solid shafting on cold pressing machine rolling-up mechanism usually in pole piece wrapup procedure Connect pole piece, by solid shafting pull pole piece by serial deflector roll, by deflector roll during for ensure pole piece stablize conveying, Float roller device is installed to apply pressure to battery core pole piece dynamic and form stable tension between two deflector rolls in transmit process Ensure the steady of conveying, and wind solid shafting also by the tension to ensure to wind the elasticity between wound membrane pole piece, keeps flat The tension surely conveyed is less.But because the factor of cathode battery core pole piece material, such as poor toughness, brittleness is big, relies solely on guarantor Maintaining an equal level need to surely send under the tension of pole piece, not ensure that the winding quality and effect of pole piece wound membrane, need with beyond held stationary 2-3 times of tension rolling of the tension of conveying, in intermediate calender rolls to there is longer distance between solid shafting in pole piece transmission process, greatly The problems such as the case where very strong stress concentration occurs in battery core pole piece under tension, and pole piece deformation is caused to be crumpled, broken belt, generates pole piece Prodigious injury.
To solve gun barrel, pole piece deformation is crumpled, and being easy broken belt etc. can only be handled with traditional regulation level and increasing tension, past Toward the situation for leading to that this length that disappear, lead to other serial quality problems, and equipment cathode winds structure simultaneously in lithium electricity industry at present There is no superior technique scheme to solve the problems, such as such.
Utility model content
For problems of the prior art, the application's is designed to provide a kind of wrap-up for material strip, Enter winding when so that material strip is in best flat to be greatly reduced while material strip winding tension.
The application provides a kind of wrap-up for material strip, including:Scroll, material strip are wrapped circumferentially around shape on Scroll At material volume;Pressing roll mechanism, including axial direction pressure roller identical with Scroll;Pressure roller is resisted against the appearance of material volume with constant pressure Face.
According to the application, the length of pressure roller is more than or equal to the length of material volume.
According to the application, pressing roll mechanism further includes elevating mechanism, and the shaft both ends of pressure roller are connected to the movement of elevating mechanism End.
According to the application, elevating mechanism includes pressure roller positioning plate, first driving means, guide rail and guide rail fixed plate, pressure roller One end of positioning plate is configured to mobile terminal, and the other end in pressure roller positioning plate is arranged in first driving means, and pressure roller positioning plate passes through Guide rail is movably disposed in guide rail fixed plate, and the power output end of first driving means is connected to the flange of guide rail fixed plate To drive pressure roller positioning plate to be moved along guide rail.
According to the application, elevating mechanism further includes linear module and the second driving device, and guide rail fixed plate movably connects It is connected to linear module, the second driving device is drivingly connected with linear module to drive guide rail fixed plate to be moved along linear module.
According to the application, linear module includes two linear modules of ball bearing screw type being arranged in the left and right sides of pressure roller, Second driving device includes two servo motors being separately positioned on two linear modules of ball bearing screw type, two servo motors Respectively drive two linear modules of ball bearing screw type.
According to the application, linear module includes two linear modules of ball bearing screw type being arranged in the left and right sides of pressure roller, Second driving device include a servo motor, a drive shaft, two angular wheel groups, the power output end of servo motor with Axis connection, drive shaft is driven to connect respectively with the screw drive of two linear modules of ball bearing screw type by two angular wheel groups It connects.
According to the application, the stretching of the power output end for checking first driving means is provided in first driving means The magnet ring of position switchs, and magnet ring switch is connect by PLC with the second driving device signal.
According to the application, guide rail fixed plate further includes the fixed part being connect with guide rail, and flange hangs down from the upper end edge of fixed part Directly protruded in the direction of the length direction of fixed part.
According to the application, first driving means are configured to cylinder, and the cylinder body of cylinder is fixed to pressure roller positioning plate, the gas of cylinder The free end of cylinder rod is fixed to flange.
The advantageous effects of the application are:
In the wrap-up of the application, pressure roller is resisted against the outer surface of material volume with constant pressure, is pressed in wrapup procedure The air between material strip can be discharged always for roller, and material volume is compacted, so as to avoid using hightension discharge empty in the prior art Therefore on the one hand the method that gas eliminates gun barrel significantly reduces material strip winding tension, another aspect material strip need to only keep material strip Winding can be completed in the case of steady conveyance tension, avoid material strip and crumple breakage problem, thus so that material strip is in and most preferably open up Enter winding when level state.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of one embodiment of the wrap-up of the application.
Fig. 2 is the stereoscopic schematic diagram of another embodiment of the wrap-up of the application.
Specific implementation mode
Embodiments herein is described in detail referring now to attached drawing, but the explanation is merely exemplary, is not used in limit The protection domain of the application processed.
With reference to figure 1 and Fig. 2, in one embodiment, the application provides a kind of wrap-up for material strip, including:It receives Spool 1, material strip 2 are wrapped circumferentially around formation material volume 3 on Scroll 1;Pressing roll mechanism 4, including axial direction are identical with Scroll 1 Pressure roller 40;Pressure roller 40 is resisted against the outer surface of material volume 3 with constant pressure.In the wrap-up of the application, pressure roller 40 is with constant Pressure is resisted against the outer surface of material volume 3, and the air between material strip 2 can be discharged always for pressure roller 40 in wrapup procedure, by material volume 3 Therefore on the one hand compacting is greatly reduced so as to avoid the method for using hightension that eliminating atmosphere gun barrel is discharged in the prior art Only winding need to can be completed in the case where keeping 2 steady conveyance tension of material strip in 2 winding tension of material strip, another aspect material strip 2, Enter winding when avoiding material strip 2 to crumple breakage problem, thus material strip 2 being made to be in best flat.Material strip 2 can be battery Pole piece etc..It should be appreciated that constant pressure be the air between material strip 2 can be arbitrarily discharged material volume 3 is compacted it is constant Pressure.Constant pressure can realize by any suitable means, example elevating mechanism described as follows, it might even be possible to by manually making With pressure roller to apply constant pressure.
As it can be seen that the solution key of above-mentioned technical problem is to be vented and compacting, the wrap-up of the application abandon completely Hightension is wound, the tension of material strip held stationary conveying.In wrapup procedure, pressure roller 40 with the increase of material-coil coil-diameter and Automatically adjust the position of pressure roller, it is ensured that material strip 2 enters material volume 3 with best flat, i.e., will not between material strip 2 and material volume 3 In very mitre, achieve the effect that cornerite is wound.The stable pressure of material volume 3 one is passed to by pressure roller simultaneously and eliminates material strip Air between 2 follows coil diameter to automatically adjust and two kinds of actions of constant pressure exhaust is performed simultaneously and problem above is solved perfectly, receipts Volume is no longer rely on increasing tension execution, keeps pole piece steadily to transmit, the regularity of winding, the flattening of material strip is all by pressure roller Mechanism 4 executes completion.
With reference to Fig. 2, in one embodiment, the length of pressure roller 40 is more than or equal to the length of material volume 3.Length in this way Configuration, it is ensured that the air between material strip 2 is completely exhausted out and is all compacted material volume 3.
Referring to Figures 1 and 2, in one embodiment, pressing roll mechanism 4 further includes elevating mechanism 41, the shaft 401 of pressure roller 40 Both ends are connected to the mobile terminal 411 of elevating mechanism 41.It, can be closer or far from that is, pressure roller 40 is under the drive of mobile terminal 411 Scroll 1, and constant pressure can be applied to material volume 3 under the driving of elevating mechanism 41.
Referring to Figures 1 and 2, in one embodiment, elevating mechanism 41 includes pressure roller positioning plate 412, first driving means 413, one end of guide rail 414 and guide rail fixed plate 415, pressure roller positioning plate 412 is configured to above-mentioned mobile terminal 411, the first driving The other end in pressure roller positioning plate 412 is arranged in device 413, and pressure roller positioning plate 412 is movably disposed at guide rail by guide rail 414 In fixed plate 415, the power output end 4131 of first driving means 413 is connected to the flange 4151 of guide rail fixed plate 415 to drive Dynamic pressure roller positioning plate 412 is moved along guide rail 414.Specifically, first driving means 413 are configured to cylinder, the cylinder body of cylinder is solid Determine to pressure roller positioning plate 412, the free end (i.e. power output end 4131) of the cylinder rod of cylinder is fixed to flange 4151.First During the power output end 4131 of driving device 413 is stretched out or retracted, pressure roller positioning plate 412 can be driven along guide rail 414 It is mobile.Since the cylinder body of cylinder is affixed to pressure roller positioning plate 412, the cylinder body when pressure roller positioning plate 412 is moved along guide rail 414 It is shifted along.Guide rail fixed plate 415 further includes the fixed part 4152 being connect with guide rail 414, and flange 4151 is from fixed part 4152 Upper end edge perpendicular to fixed part 4152 length direction direction protrude.That is, fixed part 4152 and 4151 phase of flange Mutual vertical connection, entire guide rail fixed plate configure l-shaped, are convenient for the installation of guide rail 414 and the drive of first driving means 413 in this way It is dynamic.
Referring to Figures 1 and 2, in one embodiment, elevating mechanism 41 further includes linear module 416 and the second driving device 417, guide rail fixed plate 415 may be movably attached to linear module 416, and the second driving device 417 connects with the driving of linear module 416 It connects to drive guide rail fixed plate 415 to be moved along linear module 416.It is appreciated that linear module 416 may include that market is common A kind of linear transmission, such as the linear module of synchronous belt type and the linear module of ball bearing screw type.
Referring to Fig.1, in a specific embodiment, linear module 416 includes being arranged in the left and right sides of pressure roller 40 Two linear modules of ball bearing screw type, the second driving device 417 include being separately positioned on two linear modules of ball bearing screw type Two servo motors, two servo motors respectively drive two linear modules of ball bearing screw type.
With reference to Fig. 2, in another embodiment, linear module 416 includes two be arranged in the left and right sides of pressure roller 40 The linear module of ball bearing screw type, the second driving device 417 include that a drive shaft 4172, two of servo motor 4171, one is bored The power output end of shape gear set 4173, servo motor 4171 is connect with drive shaft 4172, and drive shaft 4172 passes through two tapers Gear set 4173 is connect with the screw drive of two linear modules of ball bearing screw type respectively.
Further, the power output end 4131 for checking first driving means 413 is provided in first driving means 413 Extended position magnet ring switch (in the inside of first driving means, invisible), magnet ring switch by PLC with second driving dress Set the connection of 417 signals.
Specifically, an exemplary operation of the wrap-up of the application is as follows:
(1) before Scroll 1 is opened, first start pressing roll mechanism 4:Linear module 416 is driven in the second driving device 417 so that While guide rail fixed plate 415 moves downward, first driving means 413 drive pressure roller positioning plate 412 to be transported downwards along guide rail 414 It moves with band dynamic pressure roller 40 close to Scroll 1.When pressure roller 40 touches the outer surface of material volume 3, while pressure roller 40 starts stress Give first driving means 413 1 buffer brakes, until the power output end 4131 of first driving means 413 reaches setting row Journey exports predetermined pressure, keeps the predetermined pressure between pressure roller 40 and Scroll, while the second driving device 417 stops moving Make.
(2) after Scroll 1 starts, pressing roll mechanism opens operating mode:The rotation of Scroll 1 starts to wind, with material volume 3 Coil diameter continue to increase, the power output end 4131 of first driving means 413 also begins to slowly retract, when power output end 4131 When being retracted into precalculated position, the magnet ring switch triggering signal being mounted in first driving means 413 is driven to PLC, PLC by servo Dynamic device sends out setting instruction to the second driving device 417, and linear module 416 is driven to rise with dynamic pressure roller 40, what pressure roller 40 rose The power output end 4131 of first driving means 413 starts to stretch out simultaneously, and stroke is set until power output end 4131 reaches, this When the second driving device 417 and linear 416 stopping of module action.Winding persistently carries out coil diameter and continues growing, first driving means 413 power output end 4131 starts slowly to retract again, repeats above-mentioned action.By this closed-loop control, to ensure material-coil coil-diameter Ensure that pressure roller keeps constant pressure with material volume while continuing to increase.
The preferred embodiment that these are only the application, is not intended to limit this application, for those skilled in the art For member, the application can have various modifications and variations.Any modification made by within the spirit and principles of this application, Equivalent replacement, improvement etc., should be included within the protection domain of the application.

Claims (10)

1. a kind of wrap-up for material strip, which is characterized in that including:
Scroll, the material strip are wrapped circumferentially around on the Scroll and form material volume;
Pressing roll mechanism, including axial direction pressure roller identical with the Scroll;The pressure roller is resisted against described with constant pressure The outer surface of material volume.
2. wrap-up according to claim 1, which is characterized in that the length of the pressure roller is more than or equal to the length of the material volume Degree.
3. wrap-up according to claim 1, which is characterized in that the pressing roll mechanism further includes elevating mechanism, the pressure The shaft both ends of roller are connected to the mobile terminal of the elevating mechanism.
4. wrap-up according to claim 3, which is characterized in that the elevating mechanism includes pressure roller positioning plate, the first drive Dynamic device, guide rail and guide rail fixed plate, one end of the pressure roller positioning plate are configured to the mobile terminal, the first driving means The other end in the pressure roller positioning plate is set, and the pressure roller positioning plate is movably disposed at the guide rail by the guide rail In fixed plate, the power output end of the first driving means is connected to the flange of the guide rail fixed plate to drive the pressure roller Positioning plate is moved along the guide rail.
5. wrap-up according to claim 4, which is characterized in that the elevating mechanism further includes that linear module and second drive Dynamic device, the guide rail fixed plate may be movably attached to the linear module, second driving device and the linear mould Group is drivingly connected to drive the guide rail fixed plate to be moved along the linear module.
6. wrap-up according to claim 5, which is characterized in that the linear module includes being arranged on a left side for the pressure roller Two linear modules of ball bearing screw type of right both sides, second driving device include being separately positioned on described two ball screws Two servo motors on the linear module of formula, described two servo motors respectively drive the linear mould of described two ball bearing screw types Group.
7. wrap-up according to claim 5, which is characterized in that the linear module includes being arranged on a left side for the pressure roller Two linear modules of ball bearing screw type of right both sides, second driving device include a servo motor, drive shaft, two A angular wheel group, the power output end of the servo motor and the driving axis connection, the drive shaft passes through described two Angular wheel group is connect with the screw drive of the linear module of described two ball bearing screw types respectively.
8. wrap-up described according to claim 6 or 7, which is characterized in that be provided in the first driving means for examining Look into the magnet ring switch of the extended position of the power output end of the first driving means, magnet ring switch by PLC with The second driving device signal connection.
9. wrap-up according to claim 4, which is characterized in that the guide rail fixed plate further includes being connect with the guide rail Fixed part, the flange protrudes from the upper end edge of the fixed part perpendicular to the direction of the length direction of the fixed part.
10. wrap-up according to claim 4, which is characterized in that the first driving means are configured to cylinder, the gas The cylinder body of cylinder is fixed to the pressure roller positioning plate, and the free end of the cylinder rod of the cylinder is fixed to the flange.
CN201721924071.6U 2017-12-29 2017-12-29 Wrap-up for material strip Active CN207726453U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721924071.6U CN207726453U (en) 2017-12-29 2017-12-29 Wrap-up for material strip

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721924071.6U CN207726453U (en) 2017-12-29 2017-12-29 Wrap-up for material strip

Publications (1)

Publication Number Publication Date
CN207726453U true CN207726453U (en) 2018-08-14

Family

ID=63083977

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721924071.6U Active CN207726453U (en) 2017-12-29 2017-12-29 Wrap-up for material strip

Country Status (1)

Country Link
CN (1) CN207726453U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113353678A (en) * 2021-06-07 2021-09-07 大连奥特马工业有限公司 Non-contact rolling compression roller device and adjusting method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113353678A (en) * 2021-06-07 2021-09-07 大连奥特马工业有限公司 Non-contact rolling compression roller device and adjusting method thereof

Similar Documents

Publication Publication Date Title
CN108461826B (en) Constant-speed winding needle combination mechanism
CN207726453U (en) Wrap-up for material strip
CN110586650A (en) Rolling system of lithium battery pole piece
CN202307517U (en) Winding-winding equipment
CN206834242U (en) Lug creasing mechanism and lithium battery winder
CN203370829U (en) Tension control device for manufacturing lead strip
CN206849977U (en) A kind of sutomatic winding machine pole piece fixed length mechanism
CN201390028Y (en) Aluminum scrap film winding device used for automatic hot stamping machine
CN206789418U (en) A kind of vertical compression formula up- coiler for transformer iron core production
CN208747262U (en) A kind of compound material rolling device
CN210312709U (en) Automatic roll changing device that cuts of coating machine
CN208761778U (en) A kind of coiler
CN112830307A (en) Coiling mechanism of quality control machine
CN205838136U (en) A kind of automatic deviation rectifying device
CN221369933U (en) Winding device for cable processing
CN218841211U (en) Automatic reel device of going into of slice material
CN109818083A (en) A kind of coiling apparatus for battery
CN209597912U (en) A kind of pole piece rolling device
CN214692396U (en) Novel electrolytic copper foil earfoil winding device
CN220766045U (en) Glass fiber belt tensioning mechanism
CN213864621U (en) Semi-automatic cloth rolling machine
CN218918941U (en) Pole piece tab reinforcing device based on battery winder
CN218963763U (en) High-speed hardware die cutting machine
CN108891966A (en) A kind of coiler
CN220078074U (en) Lithium belt deviation rectifying and unreeling structure

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant