CN209813062U - Extension device of lithium battery diaphragm - Google Patents

Extension device of lithium battery diaphragm Download PDF

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Publication number
CN209813062U
CN209813062U CN201920669306.4U CN201920669306U CN209813062U CN 209813062 U CN209813062 U CN 209813062U CN 201920669306 U CN201920669306 U CN 201920669306U CN 209813062 U CN209813062 U CN 209813062U
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CN
China
Prior art keywords
lithium battery
battery diaphragm
roller
support
extension
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.)
Expired - Fee Related
Application number
CN201920669306.4U
Other languages
Chinese (zh)
Inventor
杨永
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.)
Jiangsu Alite New Energy Technology Co Ltd
Original Assignee
Jiangsu Alite New Energy Technology Co 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 Jiangsu Alite New Energy Technology Co Ltd filed Critical Jiangsu Alite New Energy Technology Co Ltd
Priority to CN201920669306.4U priority Critical patent/CN209813062U/en
Application granted granted Critical
Publication of CN209813062U publication Critical patent/CN209813062U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an extension device of lithium battery diaphragm, which comprises a support, an operation table, a transmission roller and an extension mechanism, wherein the operation table is arranged on the upper part of the support, a unreeling roller is arranged on the right side of the operation table, the transmission roller is arranged on the left side of the unreeling roller, a motor is arranged on the side surface of the transmission roller, a fixed frame is arranged on the left side of the transmission roller, a driver is arranged in the middle of the fixed frame, connecting rods are arranged on two sides of the driver, the lithium battery diaphragm is transmitted through the transmission roller, two sides of the lithium battery diaphragm are clamped through a clamping piece, the lithium battery diaphragm is transversely extended through the extension of the driving rod, the extension mechanism is in a trapezoidal arrangement, the lithium battery diaphragm is gradually extended, the damage caused by the direct extension of the lithium battery diaphragm is avoided, make the drive shaft reciprocate in the mount, make the centre gripping roller press from both sides tight lithium battery diaphragm, avoid lithium battery diaphragm to retract.

Description

Extension device of lithium battery diaphragm
Technical Field
The utility model relates to an extension technical field specifically is a lithium cell diaphragm's extension device.
Background
In the construction of lithium batteries, the separator is one of the key internal components. The performance of the diaphragm determines the interface structure, internal resistance and the like of the battery, directly influences the capacity, circulation, safety performance and other characteristics of the battery, and the diaphragm with excellent performance plays an important role in improving the comprehensive performance of the battery. The separator of a lithium battery has a main function of separating the positive electrode and the negative electrode of the battery to prevent short circuit caused by contact between the two electrodes, and also has a function of allowing electrolyte ions to pass through.
In the prior art, a production method of a lithium battery diaphragm mostly adopts a unidirectional stretching method, and during the unidirectional stretching and extending process of the diaphragm, the lithium ion passing capacity of the diaphragm can be seriously reduced, and the performance of the lithium battery is seriously reduced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a lithium battery diaphragm's extension device has solved and has been that prior art lithium battery diaphragm adopts the unidirectional stretching method at production method more, and one-way in-process that stretches the extension to the diaphragm can seriously reduce the lithium ion throughput of diaphragm, and the performance of lithium cell seriously reduces.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an extension device of a lithium battery diaphragm comprises a support, an operation table, a transmission roller and an extension mechanism, wherein the operation table is arranged on the upper portion of the support, the operation table is fixedly connected with the support through bolts, an unwinding roller is arranged on the right side of the operation table and is rotatably connected with the operation table, the transmission roller is arranged on the left side of the unwinding roller, a motor is arranged on the side of the transmission roller, a rotor of the motor is fixedly welded with the transmission roller, a fixing frame is arranged on the left side of the transmission roller, a driver is arranged in the middle of the fixing frame, connecting rods are arranged on two sides of the driver and are telescopically connected with the driver, a driving shaft is arranged on the side face of the connecting rod and is fixedly welded with the connecting rods, a clamping roller is arranged on the inner side of the driving shaft, the clamping roller is rotatably connected with the fixing, the driving rod is connected with the extension mechanism in a telescopic mode, and a clamping piece is arranged on the side face of the driving rod.
Preferably, be equipped with the backup pad between the support, the backup pad passes through bolt and support fixed connection, backup pad upper portion is equipped with the riser, riser upper portion is equipped with the lifter, telescopic connection between lifter and the riser, lifter upper portion is equipped with the support frame, the support frame inboard is equipped with the roller.
Preferably, a connecting column is arranged inside the clamping piece, a fixing piece is arranged on the side face of the connecting column, a guide wheel is arranged inside the fixing piece, and the guide wheel is rotatably connected with the fixing piece.
Preferably, a spring is arranged inside the clamping piece and fixedly connected with the connecting column through a bolt.
Preferably, the bottom of the support is provided with a universal wheel, and the universal wheel is fixedly connected with the support through a bolt.
(III) advantageous effects
The utility model provides an extension device of lithium battery diaphragm. The method has the following beneficial effects:
(1) the lithium battery diaphragm extension device is used for placing the lithium battery diaphragm on the surface of the unwinding roller, the conveying roller is driven by the motor to rotate, the lithium battery diaphragm is conveyed, the two sides of the lithium battery diaphragm are clamped by the clamping piece, the lithium battery diaphragm is transversely extended through the extension and contraction of the driving rod, the extension mechanisms are arranged in a trapezoidal shape, so that the lithium battery diaphragm is gradually extended, the damage caused by the direct extension of the lithium battery diaphragm is avoided, the lithium battery diaphragm enters the inside of the roll shaft after being extended, drive the connecting rod through the driver and stretch out and draw back, make the drive shaft reciprocate in the mount, make the centre gripping roller press from both sides tight lithium battery diaphragm, avoid lithium battery diaphragm to return back, convey lithium battery diaphragm to the wind-up roll and carry out the rolling, this kind of setting can carry out gradual change formula extension to lithium battery diaphragm, avoids lithium battery diaphragm disposable extension to cause to return back and breaks, has increased lithium battery diaphragm's the quality of extending.
(2) This extension device of lithium battery diaphragm, through riser drive lifter rebound, the roller and the lithium battery diaphragm contact on messenger's upper portion, carry out vertical extension to lithium battery diaphragm through continuous rising, lithium battery diaphragm's ductility has been increased, through set up the guide pulley in the holder is inside, guide pulley and lithium battery diaphragm contact, it is flexible through drive arrangement drive spliced pole, carry out the centre gripping to lithium battery diaphragm, the stability of centre gripping has been increased, the setting of spring can make the guide pulley adjust the centre gripping dynamics by oneself, the effectual power that acts on lithium battery diaphragm that has cushioned, the setting up of universal wheel makes things convenient for the device to remove, the application range of device has been increased.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the structure of the clamping member of the present invention;
in the drawing, a bracket-1, an operation table-2, an unwinding roller-3, a motor-4, a conveying roller-5, an extension mechanism-6, a fixed frame-7, a driver-8, a connecting rod-9, a driving shaft-10, a clamping roller-11, a supporting frame-12, a roller shaft-13, a lifting rod-14, a winding roller-15, a supporting plate-16, a lifter-17, a driving rod-18, a clamping piece-19, a spring-20, a connecting column-21, a fixing piece-22, a guide wheel-23 and a universal wheel-24.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, an embodiment of the present invention provides a technical solution: an extension device of a lithium battery diaphragm comprises a support 1, an operation table 2, a conveying roller 5 and an extension mechanism 6, wherein the operation table 2 is arranged on the upper portion of the support 1, the operation table 2 is fixedly connected with the support 1 through bolts, an unwinding roller 3 is arranged on the right side of the operation table 2, the unwinding roller 3 is rotatably connected with the operation table 2, the conveying roller 5 is arranged on the left side of the unwinding roller 3, a motor 4 is arranged on the side surface of the conveying roller 5, a rotor of the motor 4 is fixedly welded with the conveying roller 5, a fixing frame 7 is arranged on the left side of the conveying roller 5, a driver 8 is arranged in the middle of the fixing frame 7, connecting rods 9 are arranged on two sides of the driver 8, the connecting rods 9 are telescopically connected with the driver 8, a driving shaft 10 is arranged on the side surface of the connecting rod 9, the driving shaft 10, rotate between pinch roller 11 and the mount 7 and be connected, operation panel 2 left side is equipped with wind-up roll 15, extension mechanism 6 side is equipped with actuating lever 18, telescopic connection between actuating lever 18 and the extension mechanism 6, actuating lever 18 side is equipped with holder 19.
Be equipped with backup pad 16 between the support 1, backup pad 16 passes through bolt and 1 fixed connection of support, 16 upper portions of backup pad are equipped with riser 17, riser 17 upper portion is equipped with lifter 14, telescopic connection between lifter 14 and the riser 17, 14 upper portions of lifter are equipped with support frame 12, 12 inboard sides of support frame are equipped with roller 13, drive lifter 14 rebound through riser 17, make roller 13 and the lithium battery diaphragm contact on upper portion, carry out vertical extension to the lithium battery diaphragm through continuous rising, have increased the ductility of lithium battery diaphragm.
The inside spliced pole 21 that is equipped with of holder 19, spliced pole 21 side is equipped with mounting 22, the inside guide pulley 23 that is equipped with of mounting 22, rotate between guide pulley 23 and the mounting 22 and be connected, through set up guide pulley 23 inside holder 19, guide pulley 23 and lithium battery diaphragm contact, it is flexible through drive arrangement drive spliced pole 21, carry out the centre gripping to lithium battery diaphragm, increased the stability of centre gripping.
The inside spring 20 that is equipped with of holder 19, spring 20 passes through bolt fixed connection with spliced pole 21, and the setting of spring 20 can make guide pulley 23 adjust the clamping-force by oneself, has effectually cushioned the power that acts on the lithium cell diaphragm.
The bottom of the support 1 is provided with a universal wheel 24, the universal wheel 24 is fixedly connected with the support 1 through a bolt, the universal wheel 24 is convenient to arrange and move, and the application range of the device is enlarged.
The working principle is as follows: when in use, the lithium battery diaphragm is placed on the surface of the unwinding roller 3, the conveying roller 5 is driven to rotate by the motor 4 to transmit the lithium battery diaphragm, the two sides of the lithium battery diaphragm are clamped by the clamping pieces 19, the lithium battery diaphragm is transversely extended by the extension and contraction of the driving rods 18, the extension mechanisms 6 are arranged in a trapezoidal shape, the lithium battery diaphragm is gradually extended, the lithium battery diaphragm is prevented from being directly extended to cause damage, and enters the roll shaft 13 after being extended, drive connecting rod 9 through driver 8 and stretch out and draw back, make drive shaft 10 reciprocate in mount 7, make 11 tight lithium battery diaphragm of clamp roll, avoid lithium battery diaphragm to return and contract, convey lithium battery diaphragm to wind-up roll 15 and carry out the rolling, this kind of setting can carry out gradual change formula extension to lithium battery diaphragm, avoids lithium battery diaphragm once only to extend and causes to return and contract and break, has increased lithium battery diaphragm's the quality of extending. Through 14 rebound of riser 17 drive lifter, make roller 13 and the lithium battery diaphragm contact on upper portion, carry out vertical extension to lithium battery diaphragm through continuous rising, lithium battery diaphragm's ductility has been increased, through set up guide pulley 23 in 19 insides of holder, guide pulley 23 and lithium battery diaphragm contact, it is flexible through drive arrangement drive spliced pole 21, carry out the centre gripping to lithium battery diaphragm, the stability of centre gripping has been increased, spring 20's setting can make guide pulley 23 adjust the centre gripping dynamics by oneself, the effectual power that acts on lithium battery diaphragm that has cushioned, universal wheel 24 sets up the convenience device and removes, the application range of device has been increased.
The utility model discloses a support 1, operation panel 2, unreel roller 3, motor 4, transfer roller 5, extension mechanism 6, mount 7, driver 8, connecting rod 9, drive shaft 10, grip roller 11, support frame 12, roller 13, lifter 14, wind-up roll 15, backup pad 16, riser 17, actuating lever 18, holder 19, spring 20, spliced pole 21, mounting 22, guide pulley 23, universal wheel 24, the part is general standard component or the part that technical staff in this field known, its structure and principle all can all be known or can be known through conventional experimental method through the technical manual, the problem that the utility model solves is that lithium cell diaphragm adopts the unidirectional tension method in the production method mostly among the prior art, in the one-way process of carrying out tensile extension to the diaphragm, can seriously reduce the lithium ion throughput of diaphragm, the performance of lithium cell seriously reduces, the utility model discloses a through the intercombination of above-mentioned parts, this a lithium battery diaphragm's extension device, when using, place lithium battery diaphragm on unreeling roller surface, drive the transfer roller through the motor and rotate, transmit lithium battery diaphragm, carry out the centre gripping to lithium battery diaphragm both sides through the holder, transversely extend lithium battery diaphragm through the flexible of actuating lever, extension mechanism is trapezoidal range, make lithium battery diaphragm extend gradually, avoid lithium battery diaphragm direct extension to cause the damage, lithium battery diaphragm gets into the roller inside after extending, drive the connecting rod through the driver and stretch, make the drive shaft reciprocate in the mount, make the clamping roller press from both sides lithium battery diaphragm, avoid lithium battery diaphragm to retract, convey lithium battery diaphragm to the wind-up roll and carry out the rolling, this kind of setting can carry out gradual change formula extension to lithium battery diaphragm, avoid lithium battery diaphragm once only extend and cause retraction fracture, the extension quality of the lithium battery diaphragm is increased. Through riser drive lifter rebound, make roller and the lithium battery diaphragm contact on upper portion, carry out vertical extension to lithium battery diaphragm through continuous rising, lithium battery diaphragm's ductility has been increased, through setting up the guide pulley in the holder is inside, the guide pulley contacts with lithium battery diaphragm, it is flexible through drive arrangement drive spliced pole, carry out the centre gripping to lithium battery diaphragm, the stability of centre gripping has been increased, the setting of spring can make the guide pulley adjust the centre gripping dynamics by oneself, the effectual power of acting on lithium battery diaphragm that has cushioned, the setting of universal wheel makes things convenient for the device to remove, the application range of device has been increased.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. An extension device of lithium battery diaphragm which characterized in that: comprises a support (1), an operating platform (2), a conveying roller (5) and an extension mechanism (6), wherein the operating platform (2) is arranged on the upper part of the support (1), the operating platform (2) is fixedly connected with the support (1) through bolts, an unwinding roller (3) is arranged on the right side of the operating platform (2), the unwinding roller (3) is rotatably connected with the operating platform (2), the conveying roller (5) is arranged on the left side of the unwinding roller (3), a motor (4) is arranged on the side surface of the conveying roller (5), a rotor of the motor (4) is fixedly welded with the conveying roller (5), a fixing frame (7) is arranged on the left side of the conveying roller (5), a driver (8) is arranged in the middle of the fixing frame (7), connecting rods (9) are arranged on two sides of the driver (8), the connecting rods (9) are telescopically connected with the driver (8), and a driving shaft (10) is, drive shaft (10) and connecting rod (9) welded fastening, drive shaft (10) inboard is equipped with pinch roll (11), rotate between pinch roll (11) and mount (7) and be connected, operation panel (2) left side is equipped with wind-up roll (15), extension mechanism (6) side is equipped with actuating lever (18), flexible connection between actuating lever (18) and extension mechanism (6), actuating lever (18) side is equipped with holder (19).
2. A lithium battery separator extension device according to claim 1, wherein: be equipped with backup pad (16) between support (1), backup pad (16) pass through bolt and support (1) fixed connection, backup pad (16) upper portion is equipped with riser (17), riser (17) upper portion is equipped with lifter (14), telescopic connection between lifter (14) and riser (17), lifter (14) upper portion is equipped with support frame (12), support frame (12) inboard is equipped with roller (13).
3. A lithium battery separator extension device according to claim 1, wherein: a connecting column (21) is arranged inside the clamping piece (19), a fixing piece (22) is arranged on the side face of the connecting column (21), a guide wheel (23) is arranged inside the fixing piece (22), and the guide wheel (23) is rotatably connected with the fixing piece (22).
4. A lithium battery separator extension device according to claim 1, wherein: the spring (20) is arranged inside the clamping piece (19), and the spring (20) is fixedly connected with the connecting column (21) through a bolt.
5. A lithium battery separator extension device according to claim 1, wherein: the universal wheel (24) is arranged at the bottom of the support (1), and the universal wheel (24) is fixedly connected with the support (1) through a bolt.
CN201920669306.4U 2019-05-11 2019-05-11 Extension device of lithium battery diaphragm Expired - Fee Related CN209813062U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920669306.4U CN209813062U (en) 2019-05-11 2019-05-11 Extension device of lithium battery diaphragm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920669306.4U CN209813062U (en) 2019-05-11 2019-05-11 Extension device of lithium battery diaphragm

Publications (1)

Publication Number Publication Date
CN209813062U true CN209813062U (en) 2019-12-20

Family

ID=68883103

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920669306.4U Expired - Fee Related CN209813062U (en) 2019-05-11 2019-05-11 Extension device of lithium battery diaphragm

Country Status (1)

Country Link
CN (1) CN209813062U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111745722A (en) * 2020-07-06 2020-10-09 张云 Plastic slab extends cutting device based on mechanical transmission
CN115042418A (en) * 2022-05-25 2022-09-13 岳菡 Plastic film extension process and equipment
CN116404354A (en) * 2023-04-18 2023-07-07 南京贝迪新材料科技股份有限公司 Extension device for preparing lithium battery diaphragm

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111745722A (en) * 2020-07-06 2020-10-09 张云 Plastic slab extends cutting device based on mechanical transmission
CN115042418A (en) * 2022-05-25 2022-09-13 岳菡 Plastic film extension process and equipment
CN115042418B (en) * 2022-05-25 2023-11-03 桂林澳群核径迹有限责任公司 Plastic film extension process and equipment
CN116404354A (en) * 2023-04-18 2023-07-07 南京贝迪新材料科技股份有限公司 Extension device for preparing lithium battery diaphragm
CN116404354B (en) * 2023-04-18 2023-12-19 南京贝迪新材料科技股份有限公司 Extension device for preparing lithium battery diaphragm

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191220