CN117800213B

CN117800213B - Battery diaphragm hanging roll and processing method

Info

Publication number: CN117800213B
Application number: CN202310474809.7A
Authority: CN
Inventors: 林洪; 黄彦淇; 赵盛
Original assignee: Guangdong Blesson Precision Machinery Co ltd
Current assignee: Guangdong Blesson Precision Machinery Co ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2024-06-11
Anticipated expiration: 2043-04-27
Also published as: CN117800213A

Abstract

The invention discloses a battery diaphragm hanging coil and a processing method thereof, which belong to the technical field of composite film hanging coils, and S1, coil taking: the hanging coil mechanism moves to one side of the hanging frame and clamps two ends of the composite film coil; s2, roll feeding: the coil lifting mechanism moves the composite film coil to a coil unloading position; s3, coil stripping: the hanging coil mechanism is used for loosening two ends of the composite film coil and simultaneously fixing one end of the composite film coil, the coil supporting mechanism is used for supporting the composite film coil from bottom to top, and the coil supporting mechanism moves towards the other end of the composite film coil to detach the composite film coil from the winding shaft; s4, returning the shaft: after coil unloading is completed, the coil supporting mechanism is far away from the coil winding shaft, the coil hanging mechanism clamps the two ends of the coil winding shaft again, the coil winding shaft is sent back to one side of the hanging bracket, the method automatically completes the repeated shaft returning actions of the coil winding shaft, coil unloading and coil winding shaft, simplifies the coil unloading and coil winding steps, and improves the coil hanging transportation work efficiency and safety.

Description

Battery diaphragm hanging roll and processing method

Technical Field

The invention relates to the technical field of composite membrane hanging rolls, in particular to a battery diaphragm hanging roll and a processing method.

Background

The former working procedure of the lithium battery mainly comprises slurry stirring, anode and cathode coating, rolling, slitting, pole piece manufacturing and die cutting, stirring: firstly, using a lithium battery vacuum stirrer, mixing powdery positive and negative electrode active substances under the action of a special solvent and a binder, and uniformly stirring at a high speed to prepare a pasty positive and negative electrode substance completely without bubbles; coating: uniformly coating the prepared slurry on the surface of a metal foil, and drying to prepare positive and negative pole pieces respectively; and (3) rolling: the roller press extrudes the coating surface of the pole piece through the pressure generated by the opposite running of the upper roller and the lower roller, the pole piece is changed into a dense pole piece from an original fluffy state under the action of high pressure, and the rolling is quite critical to the energy density; cutting: cutting the rolled electrode strip into lengths and widths required by assembled batteries according to different battery models, wherein burrs are not generated during cutting, rolling the positive and negative electrode diaphragms, moving the film roll in the processes of coating, rolling, slitting and the like, and the film roll has high quality, has high requirements on strength and stability of lifting and lifting structures, is inconvenient to stretch into a lifting machine for lifting, and needs the lifting machine to complete lifting, unreeling and multiple actions of returning shafts.

The patent of current publication No. CN216662299U discloses a thin film loading attachment of corrosion resistant plate, includes: the lifting device comprises a base, a mounting seat and a lifting assembly; the mounting seats are arranged on two sides of the machine base and are provided with V-shaped grooves; the aperture of the V-shaped groove is gradually reduced from top to bottom; the lifting device is used for driving the lifting device to lift; the lifting device is provided with two adjusting arms with adjustable relative distance; the adjusting arm is provided with a hook part; the winding roller is used for winding and unwinding the film, and the two ends of the winding roller are provided with concave parts; the hook part is clamped in the concave part, so that the wind-up roll is driven to move by the winding device; the lifting device is used for driving the coil lifting device to move, driving the wind-up roller to move to be close to the mounting seat, and two ends of the wind-up roller are clamped in the V-shaped groove.

Disclosure of Invention

The invention aims to provide a battery diaphragm coil hanging method, which solves the problem that coil taking, coil moving, coil unloading and coil changing actions cannot be automatically completed when a coil is hung.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:

a battery separator hang-winding method comprising the steps of:

S1, taking a coil: the hanging coil mechanism moves to one side of the hanging frame and clamps two ends of the composite film coil;

S2, roll feeding: the coil lifting mechanism moves the composite film coil to a coil unloading position;

S3, coil stripping: the hanging coil mechanism is used for loosening two ends of the composite film coil and simultaneously fixing one end of the composite film coil, the coil supporting mechanism is used for supporting the composite film coil from bottom to top, and the coil supporting mechanism moves towards the other end of the composite film coil to detach the composite film coil from the winding shaft;

S4, returning the shaft: after coil unloading is completed, the coil supporting mechanism is far away from the coil winding shaft, the coil hanging mechanism clamps the two ends of the coil winding shaft again, and the coil winding shaft is returned to one side of the hanging bracket.

Further, step S1.1 still include the hanging scroll mechanism include collude claw, hasp, hanger plate, lift and balladeur train, balladeur train sliding connection is in on the gallows, the hanger plate sets up on the balladeur train, the lift sets up on the balladeur train, the hanger plate with the lift links to each other, collude the claw setting in the below of hanger plate, the hasp rotates to be connected collude the claw open, the hasp rotates, collude the claw and opens, the balladeur train with the lift drives collude claw alignment complex film roll' S both ends, the hasp rotates to seal collude claw, hanging scroll mechanism with hold in the palm the action of rolling mechanism combination, can accomplish the dismantlement of complex film roll and roll, unload and roll the repeated action of rolling up of roll, simplified the step of unloading and roll up, improved the work efficiency of this hanging scroll machine.

Preferably, the method further comprises the step S3.1 that the coil supporting mechanism comprises a claw supporting structure, a transverse frame, a hanging rod, a first sliding rail and a pusher, wherein the transverse frame spans across the hanging frame, the first sliding rail is arranged on the side wall of the transverse frame along the length direction of the transverse frame, one end sliding connection of the hanging rod is arranged on the first sliding rail, the pusher is used for providing power for the movement of the hanging rod, the claw supporting structure is connected with the other end of the hanging rod, the claw supporting structure comprises a supporting arm, a first joint arm, a second joint arm and a lifting driver, the supporting arm is rotatably connected to the hanging rod, one end of the first joint arm is rotatably connected to one end of the supporting arm, the other end of the first joint arm is rotatably connected to the hanging rod, one end of the lifting driver is rotatably connected to one side wall of the first joint arm, the second joint arm can be connected with the other end of the lifting rod, the second joint arm can be parallel to the supporting arm, the coil supporting arm can be rotatably connected to the first joint arm, the coil supporting mechanism can be kept in a direction of the coil supporting mechanism, and the coil supporting mechanism can be rotatably and can be kept in a direction of the coil.

Preferably, in step S3.1, the rotation points at two ends of the first joint arm are symmetrical along the center line of the first joint arm, and the cross section of the first joint arm is V-shaped, so that the bearing capacity of the bracket arm is improved, and the coil unloading use of the heavy composite film coil is satisfied.

Preferably, the lifting mechanism further comprises a guide rod and a height measuring rod, the guide rod is arranged on the sliding frame, one end of the lifting plate is slidably connected to the guide rod, the height measuring rod and the guide rod are arranged on the sliding frame side by side, a plurality of holes are formed in the height measuring rod, the lifting plate moves along the guide rod in a lifting mode, stability of the lifting and moving composite film roll of the lifting mechanism is improved, positions of the hook claws can be accurately positioned, action accuracy of disassembling and winding the roll is improved, and efficient automation is achieved.

Preferably, the method further comprises the step S3.2 of stopping the rotating rod and the lifting groove of the supporting claw structure, wherein the stopping rotating rod is close to the rotating center of one end of the supporting arm, the stopping rotating rod is located in the rotating range of the first joint arm, the lifting groove is arranged on the supporting arm, one outward side of the lifting groove is arranged to be expanded, when the supporting arm contacts with the composite film roll, the composite film roll falls into the lifting groove, and the stopping rotating rod is used for limiting the stroke range of the supporting arm and preventing the supporting arm from shaking to operate equipment.

The lifting mechanism further comprises a lifting power device and a lifting moving device, wherein the lifting power device is arranged on the sliding frame, the lifting moving device is arranged on one side wall of the sliding frame and comprises a power shaft, a second rack, a third sliding rail and a power source, the power source is arranged on one side wall of the sliding frame, the power shaft is connected with the power source, the end of the power shaft is meshed with the second rack, the sliding frame is slidably connected with the third sliding rail, the lifting power device pushes the hook claw to lift and move, and the lifting moving device pushes the hook claw to move transversely, so that the stability of the composite film roll on the sliding frame is maintained, and swing of the composite film roll is prevented.

Preferably, the method further comprises the step S1.4 that the hanging and rolling mechanism further comprises a hooking groove, the hooking groove is formed in the inner wall of the hooking claw, the hooking groove is lower than the opening of the hooking claw, two ends of the composite film roll fall into the hooking groove, enter the hooking groove around the winding shaft to be accurately positioned, and the winding shaft is prevented from swinging and accurately positioning the winding shaft when moving.

Preferably, the claw supporting structure further comprises a spreading arm, one end of the spreading arm is arranged on the side wall of the hanging rod, one end of the lifting driver is rotatably connected to the spreading arm, the position of the lifting driver is adjusted, and the utilization efficiency of the output of the lifting driver is improved.

The second purpose of the invention is to provide a battery diaphragm processing method, which solves the problems of low processing production efficiency and low safety of the composite film.

The battery diaphragm processing method further comprises the following steps before the step S1: unreeling: respectively mounting a plurality of diaphragm rolls on each unreeling mechanism of the diaphragm compound machine, and adjusting the axial positions of the diaphragm rolls by the unreeling mechanism to align the positions of the plurality of diaphragm rolls; and (3) whole roll: the unreeling mechanism rotates to release the diaphragm, and the diaphragm is subjected to wrinkle removal and deviation correction by the wrinkle removal mechanism and the deviation correction mechanism; compounding: the diaphragms released by the unreeling mechanisms selectively enter a compounding roller set, and the diaphragms with different layers are compounded according to actual requirements; the device is used for compounding the diaphragm and conveying the diaphragm to the lower part of the hoist to finish the whole diaphragm production process.

The beneficial effects of the invention are as follows:

(1) According to the battery diaphragm winding method, winding delivering, winding unloading and shaft returning processes of the composite film winding can be completed by means of the winding lifting mechanism and the winding supporting mechanism which are arranged on the hanging frame, wherein the winding lifting mechanism and the winding supporting mechanism are both connected to the hanging frame in a sliding mode, the winding lifting mechanism moves along the length direction of the hanging frame and is used for moving the composite film to the winding unloading position after winding lifting, the winding supporting mechanism can move along the width direction of the hanging frame and is used for detaching the composite film winding on the winding lifting mechanism, and even if the composite film winding is pushed to lose movement in the winding lifting process, the composite film winding can be ensured to be stable and not to drop from the hook claw, so that the use safety is high.

(2) According to the pool diaphragm winding method, the hook claw on the winding mechanism can grab the composite film roll when moving, the lock catch can open and close the opening of the hook claw, the composite film roll is prevented from falling off from the hook claw, the lifter can move the hook claw up and down, lifting of the composite film roll is achieved, the unloading position of the composite film roll is adjusted, the composite film roll is conveniently and automatically taken out of the winding machine and is conveniently wound on the winding machine, the single winding roll can be repeatedly used for winding through the combined movement of the winding mechanism and the winding supporting mechanism, the automation degree of the winding machine is improved, the winding and unwinding operation steps are simplified, and the winding and unwinding efficiency and the winding and unwinding safety are guaranteed.

(3) According to the pool diaphragm lifting method, when a supporting claw structure moves on a bracket, the supporting claw structure is guided by a first sliding rail and is pushed by a gear and rack structure, the supporting claw structure can move in the bracket, composite film rolls at different positions below the bracket can be lifted and unwound, the application range of the supporting claw structure is enlarged, composite film rolls with different specifications can be lifted and unwound, the supporting claw structure comprises a supporting arm, a first joint arm, a second joint arm, a hanging rod and a lifting driver, the supporting arm is rotationally connected to the hanging rod and can stop to finish lifting actions after rotation, two ends of the first joint arm are respectively rotationally connected with the hanging rod and the second joint arm, one end of the first joint arm is rotationally connected to the supporting arm, the other end of the first joint arm is rotationally connected with the middle part of the second joint arm, the extending end of the lifting driver is rotationally connected with the middle part of the first joint arm and is used for pushing the supporting arm to reciprocate through the first joint arm, the composite film rolls can be lifted when the supporting arm is vertical, at the moment, the stress direction of the supporting arm, the second joint arm and the length direction of the hanging arm is parallel to the first joint arm is kept dead by the hanging rod, and the power of the hanging rod is still kept dead by the hanging rod, and the lifting device is still enabled to be locked, and the power of the hanging rod is still dead by the hanging rod.

(4) The pool diaphragm lifting method is also provided with a stop rotating rod, the stop rotating rod is fixed on the supporting arm and is positioned in the rotation range of the first joint arm, the rotation limit position of the first joint arm can be limited, the supporting arm can stably work in a certain stroke range, the supporting arm is prevented from swinging in an over-position mode, in addition, the supporting arm is also provided with a lifting groove, one outward side of the lifting groove is expanded, the winding shaft can be positioned, and the pool diaphragm lifting method can be suitable for winding shafts with different shaft diameters.

(5) According to the pool diaphragm winding method, the winding shaft entering the hook claw can be positioned, so that the winding mechanism can accurately finish coil unloading and winding shaft repeated loading into a winding machine for use, in addition, the lifters for lifting the hook claw are worm lifters driven by the same power, so that the hook claw loading capacity at two ends is high, the lifting movement accuracy is high, the positioning accuracy of the winding shaft is further improved, and automatic coil unloading and winding shaft repeated winding use can be realized.

Drawings

FIG. 1 is a flow chart of a battery separator hanging and rolling method provided by the invention;

FIG. 2 is a process diagram of a battery separator composite production line provided by the invention;

FIG. 3 is an isometric view of a diaphragm compounding machine according to the present invention;

FIG. 4 is a second perspective view of the diaphragm compounding machine provided by the present invention;

FIG. 5 is a front view of a diaphragm compounding machine provided by the present invention;

FIG. 6 is a side view of a diaphragm compounding machine provided by the present invention;

FIG. 7 is a top view of a diaphragm compounding machine provided by the present invention;

FIG. 8 is a cross-sectional view taken along line A-A of FIG. 5;

FIG. 9 is a cross-sectional view taken along line B-B of FIG. 6;

FIG. 10 is an isometric view of a full roll of the present invention;

FIG. 11 is a second perspective view of the full roll of the present invention;

FIG. 12 is a front view of the full roll provided by the present invention;

FIG. 13 is a side view of the full roll provided by the present invention;

FIG. 14 is a top view of the full roll provided by the present invention;

FIG. 15 is a cross-sectional view taken along line C-C of FIG. 12;

FIG. 16 is a cross-sectional view taken along line D-D of FIG. 13;

FIG. 17 is an isometric view of a wrap portion provided in accordance with the present invention;

FIG. 18 is a second perspective view of the winding portion according to the present invention;

FIG. 19 is a front view of a wrap portion provided by the present invention;

FIG. 20 is a side view of a wrap portion provided by the present invention;

FIG. 21 is a top view of a wrap portion provided by the present invention;

FIG. 22 is a cross-sectional view taken along line E-E of FIG. 19;

FIG. 23 is a cross-sectional view taken along line F-F of FIG. 19;

FIG. 24 is an isometric view of a hoist provided in the present invention;

FIG. 25 is a front view of the hoist provided by the present invention;

FIG. 26 is a side view of the hoist provided by the present invention;

FIG. 27 is a cross-sectional view taken along line G-G of FIG. 25;

FIG. 28 is a partial view of portion H of FIG. 27;

Fig. 29 is an isometric view of a coil unloader provided by the present invention;

FIG. 30 is a front view of the coil unloader provided by the present invention;

FIG. 31 is a side view of the coil unloader provided by the present invention;

fig. 32 is a cross-sectional view taken along line J-J of fig. 31.

Reference numerals:

1. A diaphragm compounding machine; 11. a first unreeling mechanism; 111. a first deviation correcting mechanism; 1111. a left chuck; 1112. a left sliding table; 1113. an unreeling driver; 1114. a width adjusting driver; 1115. a left width adjusting screw rod; 1116. a right chuck; 1117. a right sliding table; 1118. a right width adjusting screw rod; 1119. a synchronizing lever; 112. a first unwind roller set; 1121. a grooved roll; 1122. a flattening roller; 113. a first de-wrinkling roller set; 114. a first composite roller set; 115. a second composite roller set; 116. a third composite roller set; 117. an unreeling pressure roller; 118. a film outlet roller; 12. a second unreeling mechanism; 121. a second deviation correcting mechanism; 122. a second unwind roller set; 123. a tension roller set; 124. an offset mechanism; 13. a third unreeling mechanism; 131. a third deviation correcting mechanism; 132. a third unwind roller set; 133. a first diverting roller; 134. a second diverting roller; 135. a second de-wrinkling roller set; 14. a fourth unreeling mechanism; 141. a fourth unwind roller set; 142. a fourth diverting roller; 143. a third de-wrinkling roller set; 144. a third diverting roller; 15. a working platform; 16. a step; 2. a winding machine; 2a, a whole roll part; 2b, a winding part; 21. a whole-roll power roller group; 211. traction driven roller; 212. traction drive roller; 213. a traction reduction motor; 22. a tension detecting device; 221. swing arms; 222. a first pusher; 223. a detection wheel; 224. a tension limiting rod; 225. a tension detection sensor; 23. a trimming device; 231. trimming knife group; 232. a tool apron; 233. a tool holder; 234. a quick release device; 235. edge guiding wheels; 24. a whole-roll guide roller set; 25. a winding frame; 26. a wind-up roll set; 261. an active wind-up roll; 262. a wind-up drive; 263. a driven winder; 2631. a bracket; 2632. a driven wind-up roll; 2633. a driven winding cylinder; 27. winding a compression roller group; 271. a pressure roller; 272. pressing an arm; 273. a pushing device; 274. a limiting cross bar; 28. a roll feeding slipway assembly; 281. a slide plate; 282. a first fork; 283. a guide rail; 284. feeding a coil rack; 285. a pushing cylinder; 286. a second fork; 2861. a movable claw; 2862. a fixed claw; 2863. a pawl pushing cylinder; 287. a wind-up driver; 288. a winding chuck; 29. a fly cutter assembly; 291. a cross beam; 292. a cutter; 293. a segmentation assembly; 294. a segmented roller; 295. a cutting knife; 296. a transverse tube; 3. a coil lifting machine; 31. a hanging bracket; 32. a hanging coil mechanism; 3211. a hooking groove; 321. a hook claw; 322. locking; 323. a hanger plate; 324. a guide rod; 3241. a height measuring plate; 325. a lifter; 326. lifting power device; 327. a lifting moving device; 3271. a power shaft; 3272. a first rack; 3273. a first slide rail; 3274. a power source; 328. a carriage; 33. a coil supporting mechanism; 331. a bracket; 332. a holding claw structure; 3321. a bracket arm; 3322. a first articulated arm; 3323. a second articulated arm; 3324. lifting the driver; 3325. a stop rotating rod; 3326. a lifting groove; 3327. an arm; 3328. a blocking groove; 333. a second rack; 334. a cross frame; 335. a boom; 336. a second slide rail; 337. a third slide rail; 338. a second pusher; 4. a coil unloader; 41. a shaft pressing device; 411. a shaft pressing cylinder; 412. briquetting; 413. a riser; 414. a trough block; 42. a lifting device; 421. a coil carrying table; 422. a scissors lifting mechanism; 423. a lifting cylinder; 424. hanging lugs; 425. a chute block; 426. a limiting piece; 43. a mobile device; 431. driving a gear motor; 432. a drive belt structure; 433. a driving wheel; 44. a guide wheel; 441. wheel grooves; 442. a roller; 45. a track.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, based on the examples in the application, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the invention.

Example 1

As shown in 1-32, the invention discloses a battery diaphragm hanging and rolling method, which comprises the following steps:

s1, taking a coil: the hanging scroll mechanism 32 moves to one side of the hanging frame 31 and clamps both ends of the composite film roll;

S1.1, the hook 321 is opened, the sliding frame 328 and the lifter 325 drive the hook 321 to align with two ends of the composite film roll, and the lock catch 322 rotates to lock the hook 321;

s1.2, lifting the hanging plate 323 along the guide rod 324;

S1.3, a lifting power device 326 pushes the hook 321 to move up and down, and a lifting moving device 327 pushes the hook 321 to move transversely;

S1.4, two ends of the composite film roll fall into the hooking grooves 3211;

S2, roll feeding: the coil lifting mechanism 32 moves the composite film coil to a coil unloading position, wherein the coil unloading position is positioned below the hanging bracket 31 and is close to the other side of the hanging bracket 31, so that enough space is reserved for coil unloading and the composite film coil is sent out of the hanging bracket 31;

s3, coil stripping: the hanging coil mechanism 32 is used for loosening two ends of the composite film coil and simultaneously fixing one end of the composite film coil, the coil supporting mechanism 33 is used for supporting the composite film coil from bottom to top, and the coil supporting mechanism 33 moves towards the other end of the composite film coil to detach the composite film coil from the winding shaft;

s3.1, the hanging scroll mechanism 32 moves to one side of the scroll supporting mechanism 33, the supporting arm 3321 rotates to contact with the lower part of the composite film scroll, and the direction of the supporting arm 3321 is vertical to the direction of the second joint arm 3323;

S3.2, when the supporting arm 3321 contacts the composite film roll, the composite film roll falls into the supporting groove 3326;

S4, returning the shaft: after the coil unloading is completed, the coil supporting mechanism 33 is away from the coil winding shaft, and the coil hanging mechanism 32 clamps the two ends of the coil winding shaft again to send the coil winding shaft back to one side of the hanger 31.

Repeating steps S1-S4 may enable reuse of the wound reel.

The battery diaphragm winding method is realized by a winding machine 3, the winding machine 3 comprises a hanging frame 31, a winding mechanism 32 and a winding supporting mechanism 33, the winding mechanism 32 is slidably connected to the hanging frame 31 and can longitudinally move on the hanging frame 31 for taking down a composite film from a winding machine 2 and placing the composite film on a winding unloader 4, the winding supporting mechanism 33 is slidably connected to the hanging frame 31 and can transversely move on the hanging frame 31 for fixing a winding shaft of the composite film, and the winding mechanism 32 and the winding supporting mechanism 33 are mutually perpendicular, so that the winding machine 3 can detach the composite film from the winding machine 2 and separate the composite film from the winding shaft.

Further, the coil supporting mechanism 33 includes a bracket 331, a claw supporting structure 332, a first rack 333, a transverse frame 334, a hanging rod 335, a first sliding rail 336, a second sliding rail 337 and a pusher 338, the transverse frame 334 spans across the hanger 31, the first sliding rail 336 and the second sliding rail 337 are arranged on two adjacent side walls of the transverse frame 334 along the length direction of the transverse frame 334, the hanging rod 335 is arranged on the bracket 331, the bracket 331 is slidably connected on the first sliding rail 336 and the second sliding rail 337, the hanging rod 335 is stable in moving and can bear the acting force in two vertical directions, the first rack 333 and the first sliding rail 336 are arranged on the transverse frame 334 side by side, the pusher 338 is arranged on the transverse frame 334, the pusher 338 is a gear motor, a gear is arranged on an output shaft of the gear motor and is matched with the first rack 333, and is used for pushing the claw supporting structure 332 on the transverse frame 334 to move back and forth, the positions of the claw supporting structure 332 are changed, the positions of the claw supporting structure 332 are met, the composite film coil is used for unloading, the claw supporting structure is used for lifting the composite film coil pressing shaft device to detach the composite film from the transverse frame 334, and the composite film winding shaft pressing device is detached from the transverse frame, and the composite film winding shaft winding device is used for winding the composite film.

Further, the pawl structure 332 includes a support arm 3321, a first joint arm 3322, a second joint arm 3323, a support actuator 3324, a stopper rod 3325 and a support groove 3326, one end of the support arm 3321 is rotatably connected to the suspension rod 335, one end of the first joint arm 3322 is rotatably connected to one side of the center of rotation of the support arm 3321 near the other end, the other end of the first joint arm 3322 is rotatably connected to one end of the second joint arm 3323, the other end of the second joint arm 3323 is rotatably connected to the suspension rod 335, one end of the support actuator 3324 is rotatably connected to the middle of the second joint arm 3323, the other end is rotatably connected to the suspension rod 335 for pushing the support arm 3321 to rotate around the suspension rod 335, when the lifting arm 3321 moves to be perpendicular to the lifting rod 335, the direction of the first joint arm 3322 is parallel to the lifting rod 335, the connecting lines of the rotation points at two ends of the first joint arm 3322 and the second joint arm 3323 are collinear, at this time, the lifting arm 3321, the lifting rod 335, the first joint arm 3322 and the second joint arm 3323 form a dead position, the lifting groove 3326 at the other end of the lifting arm 3321 is completely borne by the first joint arm 3322, the lifting driver 3324 can maintain the lifting state at this time without exerting force on the lifting arm 3321, the energy source of the gripper structure 332 is reduced, the composite reel on the lifting arm 3321 can be kept not to drop under the condition of losing movement, and the safety of the action of the gripper structure 332 is improved.

Preferably, the first arm 3322 is in a solid rod shape, the pressure from the composite film roll on the arm 3321 is borne by the strength of the arm, the second arm 3323 is provided with a baffle slot 3328, the baffle slot 3328 is formed by bending the second arm 3323 along the middle part of the baffle slot, two ends of the second arm 3323 are symmetrically arranged along the central line of the second arm 3323, the rotation points of the two ends are positioned on the same straight line, when the arm 3321 moves to be perpendicular to the hanging rod 335, the connection line between the two ends of the second arm 3323 and the rotation point of the first arm 3322 is parallel to the hanging rod 335, and the pressure on the rotation joint point when the arm 3321 lifts the composite film roll is reduced by controlling the position of the rotation point, so that the strength and the safety of the structure are improved.

Preferably, the stop lever 3325 is disposed at one end of the bracket arm 3321 and is used as a rotation axis, when the bracket arm 3321 moves to be perpendicular to the boom 335, that is, when the bracket arm 3321 rotates to a maximum travel position, the stop lever 3325 is abutted against the middle baffle slot 3328 of the second joint arm 3323, the position is used as a maximum travel limit of the bracket arm 3321, when the bracket arm 3321 rotates to be in a vertical state, the stop lever 3325 is abutted against the first joint arm 3322, the position is a minimum travel position of the bracket arm 3321, and the stop lever 3325 is a solid rod, so that the movement overrun of the bracket arm 3321 can be prevented, thereby damaging the equipment structure.

Preferably, the lifting groove 3326 is arranged on the lifting arm 3321, the lifting groove 3326 is a V-shaped groove, winding shafts with different shaft diameters can be lifted, scraping-preventing blocks are arranged on the part of the lifting arm 3321 where the lifting groove 3326 is arranged, the wear resistance of the lifting groove 3326 is improved, the service life is prolonged, and the accuracy of reciprocating coil supporting of the coil supporting mechanism 33 is improved.

Preferably, the lifting driver 3324 is a double-acting cylinder, and the solenoid valve is adopted to control the action, so that the cylinder can be locked when the air source is pushed, and the lifting driver 3324 is disabled after the air source power is prevented from being lost, so that the safety of the supporting claw structure 332 is improved.

Preferably, the supporting claw structure 332 is further provided with a spreading arm 3327, one end of the spreading arm 3327 is connected to the boom 335, the other end of the spreading arm 3327 is rotatably connected to the other end of the lifting driver 3324, the spreading arm 3327 extends out of the boom 335, and when the lifting driver 3324 pushes the lifting arm 3321 to the maximum stroke, the lifting driver 3324 is parallel to the boom 335 by adjusting the position of the other end of the lifting driver 3324, so that the output force of the lifting driver 3324 can be utilized to the maximum extent, the bearing upper limit of the lifting arm 3321 is improved, and the energy consumption is reduced.

Preferably, a part of the hanging bracket 31 is connected with the winding machine 2, the other part of the hanging bracket 31 is fixed on the ground, the hanging bracket 31 is composed of a vertical rod and a cross rod, and the winding machine 2 is connected through the hanging bracket 31, so that the winding machine 2 is aligned with the hanging machine 3, and winding of a winding shaft up and down is convenient.

Further, the lifting mechanism 32 includes a hook 321, a lock catch 322, a lifting plate 323, a guide rod 324, a lifter 325, a lifting power device 326, a lifting moving device 327 and a carriage 328, the carriage 328 is slidably connected to the top end of the lifting frame 31, the paired lifting plates 323 are disposed below the two ends of the carriage 328, the lifter 325 is mounted on the carriage 328 and above the lifting plate 323, the lifting plate 323 is connected with the lifter 325, lifting can be performed vertically to the ground, the hook 321 is disposed on the downward end of the lifting plate 323, a hook slot 3211 is formed in the hook 321, the hook slot 3211 is formed in the inner wall of the hook 321, the hook slot 3211 is lower than the opening of the hook 321, the hook slot 3211 is recessed inwards, so that after the winding shaft enters the hook 321, the hook slot 3211 can be stopped in the hook slot 3211, a fixed position is kept, the winding shaft is prevented from sliding automatically, the lock catch 322 is rotatably connected to the opening of the hook 321, the winding shaft is driven by a cylinder to open and close the hook 321, after the winding shaft enters the hook 321, the winding shaft cannot fall off, the hook 321 is pushed into the guide rod 324, the guide rod is mounted on the guide rod 323, the lifting mechanism is not connected to the guide rod 323, the lifting mechanism is stable, and the lifting mechanism is connected to the lifting mechanism is stable, and the lifting mechanism is used for lifting and can move the lifting mechanism, and the lifting mechanism is stable, and can move the lifting mechanism is a lifting and stable.

Preferably, a height measuring plate 3241 is further provided on one side of the guide bar 324 of the carriage 328, and the height measuring plate 3241 is provided with a plurality of holes along its length for being engaged with a position sensor to measure the elevation height of the hanger plate 323, so that the moving position of the hanger plate 323 can be accurately distinguished and fed back, and can be used in combination with the elevation device of the roll unloader 4 for unloading rolls of composite film at different heights.

Preferably, the lifter 325 adopts a worm lifter, the worm lifter utilizes a worm gear and worm combination to complete deceleration, the lifting part is completed by a screw rod and worm gear combination, lifting force is large, the lifting power device 326 has self-locking capability and high safety, the lifting power device 326 comprises a gear motor and a linkage rod, the gear motor is arranged in the middle of the carriage 328, the gear motor is a T-shaped gear motor, the linkage rod is respectively connected with two output shafts of the T-shaped gear motor, the paired lifters 325 can be synchronously driven to act, synchronous lifting and winding of the winding shaft are realized, the precision of moving and winding the winding shaft is improved, and the reliability of repeated winding and unreeling positioning of the winding shaft is ensured.

Preferably, the lifting moving device 327 comprises a power shaft 3271, a second rack 3272, a third sliding rail 3273 and a power source 3274, the power source 3274 is arranged on one side wall of the sliding frame 328, the power shaft 3271 is connected with the power source 3274, the power source 3274 drives the power shaft 3271 to rotate, a gear is arranged at the end part of the power shaft 3271, the second rack 3272 is arranged at the top end of a cross rod of the hanger 31, the gear is meshed with the second rack 3272 to drive the sliding frame 328 to move, the movement is stable and accurate, the sliding frame 328 is slidably connected on the third sliding rail 3273, and the sliding frame 328 is guided by the third sliding rail 3273 to move stably, so that the bearing capacity of the hook claw 321 is improved.

The specific process of moving the composite film roll is as follows:

The lifting mechanism 32 is moved to the upper part of the discharging side of the winding machine 2 by the lifting moving device 327, after the composite film is wound, the lifting plate 323 on the lifting mechanism 32 moves the hooking claw 321 to one side of the winding shaft under the drive of the lifting machine 325, the lower lock catch 322 is driven to be opened by the cylinder, the opening of the hooking claw 321 is aligned with the winding shaft, the lifting moving device 327 moves to push the winding shaft into the hooking claw 321, the winding shaft is pushed by the lock catch 322 to be positioned in the hooking groove 3211 of the hooking claw 321, after the lock catch 322 is locked, the lifting moving device 327 moves to take the composite film out, the lifting machine 325 drives the hooking claw 321 to move upwards, the hooking claw 321 moves to the upper part of the carrying table, at the moment, the lifting machine 325 drives the composite film to descend to the carrying table, the composite film is stably released be afraid of getting involved to move upwards, the lifting moving device 327 moves to the empty space of the lifting frame 31 simultaneously, after the composite film is dismounted from the winding shaft, the hooking claw 321 is driven by the lifting moving device 327 and the winding shaft again to be grabbed by the lifting moving device, and the winding machine 327 is repeatedly carried out by the winding machine 2, and the winding process is repeated.

Example two

The invention also discloses a battery diaphragm processing method which is realized by a battery diaphragm composite production line and comprises the following steps of unreeling: respectively mounting a plurality of diaphragm rolls on each unreeling mechanism of the diaphragm compound machine, and adjusting the axial positions of the diaphragm rolls by the unreeling mechanism to align the positions of the plurality of diaphragm rolls; and (3) whole roll: the unreeling mechanism rotates to release the diaphragm, and the diaphragm is subjected to wrinkle removal and deviation correction by the wrinkle removal mechanism and the deviation correction mechanism; compounding: the diaphragms released by the unreeling mechanisms selectively enter a compounding roller set, and the diaphragms with different layers are compounded according to actual requirements; and the following steps S1-S4 for completing the whole process of the membrane production.

The invention also discloses a battery diaphragm composite production line, which comprises a diaphragm composite machine 1, a winding machine 2, a coil lifting machine 3 and a coil unloader 4, wherein the winding machine 2 is connected with the diaphragm composite machine 1, the coil lifting machine 3 is arranged above the coil discharging end of the winding machine 2, the coil unloader 4 is arranged below the coil lifting machine 3, the coil unloader 4 can reciprocate below the coil lifting machine 3 to move in and out, and the coiled diaphragm is output to logistics equipment outside the battery diaphragm composite production line. Among them, the separator compound machine 1 is particularly suitable for compounding battery separators having a width of 4600mm or more.

Preferably, the diaphragm compound machine 1 comprises a first unreeling mechanism 11, a second unreeling mechanism 12, a third unreeling mechanism 13, a fourth unreeling mechanism 14, a first compound roller set 114, a second compound roller set 115 and a third compound roller set 116, wherein the first unreeling mechanism 11 is arranged at one end of a frame, the second unreeling mechanism 12, the third unreeling mechanism 13 and the fourth unreeling mechanism 14 are arranged at the top of the frame, and a film roll can be conveniently mounted on different unreeling mechanisms by using a crane in a workshop, so that quick roll replacement is realized; the first compounding roller set 114, the second compounding roller set 115 and the third compounding roller set 116 are arranged in parallel along the length direction of the diaphragm compounding machine 1, and the diaphragms on the first unreeling mechanism 11, the second unreeling mechanism 12 and the third unreeling mechanism 13 can be compounded by three layers through the first compounding roller set 114; the diaphragms on the first unreeling mechanism 11 or the second unreeling mechanism 12 can be respectively compounded with the diaphragms on the third unreeling mechanism 13 and the fourth unreeling mechanism 14 through a third compounding roller set 116, the diaphragms on the fourth unreeling mechanism 14 can be respectively compounded with the diaphragms on the first unreeling mechanism 11, the second unreeling mechanism 12 or the third unreeling mechanism 13 through a third compounding roller set 116 in a double-layer manner, in addition, the diaphragms which are compounded can be combined through any compounding roller set, the surface of the diaphragms which are compounded can be coated, and the surface of the battery diaphragm can be protected.

Preferably, the axes of the first compound roller set 114, the second compound roller set 115 and the third compound roller set 116 are on the same horizontal line, the compound film passing through the first compound roller set 114 can be subjected to the rolling action of the second compound roller set 115 and the third compound roller set 116, the adhesion degree between the layers of diaphragms is improved, and the quality of the compound film roll is improved through multiple rolling.

Preferably, a first diverting roller 133 is disposed between the third unreeling mechanism 13 and the first compounding roller set 114, the first diverting roller 133 is used for guiding the membrane of the third unreeling mechanism 13 to enter the first compounding roller set 114 for compounding the membrane, a second diverting roller 134 is disposed between the third unreeling mechanism 13 and the second compounding roller set 115, the second diverting roller 134 is used for guiding the membrane on the first compounding roller set 114 to enter the second compounding roller set 115 for compounding the membrane, the first diverting roller 133 is also used for guiding the membrane released by the third unreeling mechanism 13 into the second diverting roller 134 after being diverted, a third diverting roller 144 is disposed between the fourth unreeling mechanism 14 and the third compounding roller set 116, the third diverting roller 144 is used for guiding the membrane released by the fourth unreeling mechanism 14 into the second compounding roller set 115 for compounding the membrane, a fourth diverting roller 142 is also disposed between the fourth unreeling mechanism 14 and the third compounding roller set 116 for guiding the membrane released by the fourth unreeling mechanism 14 into the third compounding roller set 116 for compounding the membrane, and the selective membrane processing is improved by the diverting range of the membrane 1.

Preferably, the first unwinding mechanism 11, the second unwinding mechanism 12, the third unwinding mechanism 13 and the fourth unwinding mechanism 14 are identical in structure and are arranged side by side, the first unwinding mechanism 11 comprises a left chuck 1111, a left sliding table 1112, an unwinding driver 1113, a width adjusting driver 1114, a left width adjusting screw rod 1115, a right sliding table 1116, a right sliding table 1117, a right width adjusting screw rod 1118 and a synchronous rod 1119, the left sliding table 1112 and the right sliding table 1117 are relatively and slidably connected on a working platform 15, the left chuck 1111 is rotatably connected on the left sliding table 1112, the right chuck 1116 is rotatably connected on the right sliding table 1117, the left chuck 1111 is aligned with the center of the right chuck 1116, the unwinding driver 1113 is a speed reducing motor for driving the left chuck 1111 to rotate during unwinding, the width adjusting driver 1113 is a speed reducing motor, the width adjusting driver 1114 is arranged on the working platform 15 and is positioned on the outer side of the left sliding table 1112, the left width adjusting screw rod 1115 is connected with the output end of the width adjusting driver 1114, the left width adjusting screw rod is connected with the bottom of the left sliding table 1112, the left width adjusting screw rod is used for driving the left sliding table 1112 to move, the right sliding table 1117 is arranged to be rotatably connected with the end of the left clamping rod 1119 in a position of the same order to accurately and synchronously release the left end of the left chuck 11117, and the diaphragm 11117 is rotatably connected with the end of the left chuck 11117.

Wherein, to unreeling driver 1113 on the first mechanism of unreeling 11 drives left chuck 1111 and rotates and unreels, width adjustment driver 1114 drives left slip table 1112 and right slip table 1117 and removes, adjust the unreeling position of diaphragm reel on it, first mechanism of unreeling 11, second mechanism of unreeling 12, third mechanism of unreeling 13 and fourth mechanism of unreeling 14 all can adjust the position of diaphragm reel, through adjusting the position of diaphragm reel on a plurality of mechanisms of unreeling, the position deviation of a plurality of diaphragm reels when the complex is little, the lapping precision of complex reel has been improved.

Preferably, the first composite roller set 114, the second composite roller set 115 and the third composite roller set 116 have the same structure, the first composite roller set 114 comprises a driving composite roller and a driven composite roller, the driving composite roller is driven by a motor, the driven composite roller can adjust the distance on the driving composite roller, the driven composite roller can move towards the driving composite roller under the pushing of an air cylinder, the pressure and the thickness of the composite film roll can be adjusted by adjusting the distance between the driving composite roller and the driven composite roller, and the first composite roller set 114, the second composite roller set 115 and the third composite roller set 116 can compound different thicknesses and multiple diaphragms, so that the application range of the diaphragm compound machine 1 is improved.

Preferably, a first deviation rectifying mechanism 111 is installed on one side of the first unreeling mechanism 11, which is out of the diaphragm, a second deviation rectifying mechanism 121 is installed on one side of the second unreeling mechanism 12, a third deviation rectifying mechanism 131 is installed on one side of the third unreeling mechanism 13, the first deviation rectifying mechanism 111, the second deviation rectifying mechanism 121 and the third deviation rectifying mechanism 131 are identical in structure, the first deviation rectifying mechanism 111 is composed of a stop block and a stop lever, the stop block is slidably connected to the stop lever, a locking bolt is installed on the stop block, the position of the stop block is adjusted through the locking bolt, the stop block is inwards sunken to form a pit, the pit can be used for the diaphragm to pass through, the side edge of the pit is contacted with the side edge of the diaphragm and is used for preventing the diaphragm from deviating, the first deviation rectifying mechanism 111, the second deviation rectifying mechanism 121 and the third deviation rectifying mechanism 131 are identical in structure, the first deviation rectifying mechanism 111 comprises a push arm, the push rod and a push head, one end of the push rod is connected to one side wall of the working platform 15, and is arranged close to the first unreeling mechanism 11, the push head is arranged at one end of the push arm, the other end of the push arm is slidably connected to the push rod, the push head is provided with the push groove, and the push position is in a U-shaped, and the push groove is capable of being released through the position of the push head.

Preferably, a first unwinding roller set 112 is further installed on one side of the first unwinding mechanism 11, a second unwinding roller set 122 is installed on one side of the second unwinding mechanism 12, a third unwinding roller set 132 is installed on one side of the third unwinding mechanism 13, the first unwinding roller set 112, the second unwinding roller set 122 and the third unwinding roller set 132 are identical in structure, the first unwinding roller set 112 is composed of a grooved roller 1121 and a flattening roller 1122, the grooved roller 1121 and the flattening roller 1122 are connected to the working platform 15 in a vertically relative rotation mode, a spiral groove is formed in the surface of the grooved roller 1121, the spiral groove is divided into a front portion and a rear portion by the axial center of the grooved roller 1121, the directions of spiral lines of the front portion and the rear portion are opposite, the directions of the spiral lines of the front portion and the rear portion are opposite along the direction of the output of the diaphragm, the diaphragm is directed to two ends of the grooved roller 1121, and when the diaphragm passes through the grooved roller 1121, the friction force of the spiral groove causes the diaphragm to stretch to the two ends, and the diaphragm can be prevented from wrinkling.

Preferably, a deflection mechanism 124 is disposed on a side wall of the leveling roller 1122, the deflection mechanism 124 is disposed on one end of the leveling roller 1122, the deflection mechanism 124 is disposed along the moving direction of the diaphragm, the deflection mechanism 124 adopts a hand wheel sliding table for adjusting the relative position of the leveling roller 1122 and the groove roller 1121, and the direction of the diaphragm can be adjusted by the dislocation pressure of the leveling roller 1122 and the groove roller 1121, so as to play a certain deviation rectifying role.

Preferably, a tension roller set 123 is further arranged between the second unreeling mechanism 12 and the first compound roller set 114, the tension roller set 123 comprises a plurality of tension rollers which are arranged in an up-down staggered mode, and power is connected to the tension rollers, so that power for forward movement can be provided for the diaphragm, collapse deformation of the diaphragm during movement on an overlong path is prevented, and the stability of supply during compounding of the diaphragm is ensured.

Preferably, a first wrinkle-removing roller set 113 is arranged in front of the first compound roller set 114, the first wrinkle-removing roller set 113 is composed of three wrinkle-removing rollers, the central connecting lines of the three wrinkle-removing rollers are triangular, and the diaphragms from the first unreeling mechanism 11, the second unreeling mechanism 12 and the third unreeling mechanism 13 are respectively converged into the first compound roller set 114 after passing through one wrinkle-removing roller to be completely compounded; a second wrinkle-removing roller set 135 is arranged before entering the second compound roller set 115, the second wrinkle-removing roller set 135 consists of a wrinkle-removing roller and two reversing rollers, the two reversing rollers are respectively used for guiding the diaphragms from the third unreeling mechanism 13 and the fourth unreeling mechanism 14, so that the diaphragms can respectively enter the second compound roller set 115 to carry out compound film with the diaphragms from the first unreeling mechanism 11 or the second unreeling mechanism 12 after passing through the wrinkle-removing rollers, and the wrinkle-removing rollers are rotationally connected in front of the second compound roller set 115 and can only remove wrinkles of one diaphragm at a time; the front of entering into the third compound roller group 116 is provided with a third wrinkle-removing roller group 143, the third wrinkle-removing roller group 143 is composed of a wrinkle-removing roller and a reversing roller, the reversing roller is used for leading the diaphragm from the fourth unreeling mechanism 14 to the wrinkle-removing roller after changing the direction, the diaphragm enters into the third compound roller group 116 for compounding after passing through the wrinkle-removing roller, the wrinkle-removing roller and the unreeling roller have the same structure, two sections of spiral grooves are arranged on the wrinkle-removing roller, the diaphragm is stretched towards two ends by the spiral grooves to remove wrinkles, the quality of compound film generation is ensured by removing wrinkles before compounding, and the surface of the compound film is prevented from generating wrinkles or bubble defects.

Preferably, a first unwinding roller set 112 is further arranged between the first unwinding mechanism 11 and the first composite roller set 114, the first unwinding roller set 112 is composed of a plurality of flat rollers, the plurality of flat rollers are vertically staggered, the diaphragms are supported by different flat rollers to prevent the diaphragms from sinking, a second unwinding roller set 122 is likewise arranged between the second unwinding mechanism 12 and the first composite roller set 114, the second unwinding roller set 122 has the same composition structure as the first unwinding roller set 112, the third unwinding mechanism 13 and the third unwinding roller set 132 have the same structure as the first unwinding roller set 112, a fourth unwinding roller set 141 is likewise arranged between the fourth unwinding mechanism 14 and the second composite roller set 115 or the third composite roller set 116, and the fourth unwinding roller set 141 has the same structure as the first unwinding roller set 112.

Further, an unwinding pressure roller 117 and a film discharging roller 118 are installed at the outlet end of the diaphragm compounding machine 1, the unwinding pressure roller 117 is located below the third compounding roller set 116, rear end pressure is provided for the diaphragm after compounding through the unwinding pressure roller 117, the film discharging roller 118 is located above the third compounding roller set 116, and the compounded diaphragm is guided out from a high position to the winding machine 2.

Preferably, the working platform 15 is divided into an upper layer and a lower layer, the upper layer is used for installing the second unreeling mechanism 12, the third unreeling mechanism 13 and the fourth unreeling mechanism 14, the side surface of the lower layer is provided with the first unreeling mechanism 11, the first composite roller set 114, the second composite roller set 115, the third composite roller set 116, the deviation rectifying mechanism, the unreeling mechanism and the wrinkle removing mechanism are all placed in the lower layer, so that diaphragm rolls can be conveniently replaced and the composite roller sets can be kept to work stably, and a step 16 is installed between the upper layer and the lower layer of the working platform 15 for maintenance of operators.

The working process of the diaphragm compound machine 1 is as follows:

The first unreeling mechanism 11, the second unreeling mechanism 12, the third unreeling mechanism 13 and the fourth unreeling mechanism 14 can be independently unreeled, when the released diaphragm passes through the first compound roller set 114, the three layers of diaphragms of the first unreeling mechanism 11, the second unreeling mechanism 12 and the third unreeling mechanism 13 can be compounded, the second compound roller set 115 can compound the diaphragm from the first unreeling mechanism 11 or the second unreeling mechanism 12 with the diaphragms of the third unreeling mechanism 13 and the fourth unreeling mechanism 14, the third compound roller set 116 can be used for respectively carrying out double-layer compounding on the diaphragms of the fourth unreeling mechanism 14, the diaphragms of the first unreeling mechanism 11, the second unreeling mechanism 12 or the third unreeling mechanism 13 can be compounded through the first compound roller set 114, the second compound roller set 115 or the third compound roller set 116 to form a compound diaphragm, after the positions of the diaphragms are changed through the unreeling pressure roller 117 and the unreeling roller 118, the diaphragms are delivered to the reeling machine 2 from the upper outlet end of the diaphragm compound machine 1, the diaphragms of the first unreeling mechanism 11, the second unreeled mechanism 12, the diaphragms of the fourth unreeled mechanism 13 can be accurately regulated and the diaphragms can be carried out to the positions of the diaphragms before the diaphragms enter the first unreeled and the first unreeled mechanism, the second unreeled mechanism and the fourth unreeled mechanism and the diaphragms are stably released, the diaphragms can be accurately and the diaphragms can be stably and the unreeled and the diaphragms can be stably and the normally and when the diaphragms are transferred to the diaphragms are in the position and the diaphragm release position to the diaphragm release mechanism and the diaphragm to the diaphragm when the diaphragm can be stable positions and the diaphragm when the diaphragm are respectively and the diaphragm when the diaphragm is unreeled.

Referring specifically to fig. 10-23, further, the winding machine 2 includes a whole winding portion 2a and a winding portion 2b, one side of the whole winding portion 2a is connected with an outlet of the diaphragm compound machine 1, the other side is fixedly connected with the winding portion 2b, the whole winding portion 2a includes a whole winding power roller set 21, a tension detecting device 22, a trimming device 23 and a whole winding guide roller set 24, the whole winding power roller set 21 includes a traction driving roller 212, a traction driven roller 211 and a traction reducing motor 213, the traction driven roller 211 is connected above the traction driving roller 212 in a lifting manner, under the driving of a cylinder, the distance between the traction driven roller 211 and the traction driving roller 212 can be adjusted, the traction reducing motor 213 is connected with the traction driving roller 212 for providing the movement of the traction compound film, the composite film is pulled to act in the whole winding portion 2a by adjusting the pressure acting on the compound diaphragm, the trimming device 23 is arranged at one side of the whole winding power roller set 21, the trimming device 23 comprises a trimming cutter set 231, a cutter holder 232, a cutter frame 233 and a quick-release device 234, wherein the trimming cutter set 231 is arranged on the cutter holder 232, the trimming cutter set 231 comprises two groups of trimming cutters which are arranged up and down, the cutter frame 233 is arranged along the width direction of the winding machine 2, the width of the cutter frame 233 is the same as the width of the whole winding part 2a and spans the winding machine 2, the cutter holder 232 is slidably connected to the cutter frame 233, the quick-release device 234 is arranged on the cutter frame 232, the quick-release device 234 is a handle screw which can be quickly opened and used for adjusting the position of the cutter frame 232 on the cutter frame 233, the trimming of composite diaphragms with different widths can be performed, the two groups of trimming cutters are connected to the cutter frame 232 in a telescopic manner, the depths of cutting the composite diaphragms by the two trimming cutters can be respectively used, the two trimming knives work alternately, the service life of the trimming knives is prolonged, the trimming quality is improved, the tension detection device 22 is arranged below the whole-roll power roller set 21, the tension detection device 22 comprises a swing arm 221, a first pusher 222, a detection wheel 223, a tension limiting rod 224 and a tension detection sensor 225, the middle part of the swing arm 221 is rotationally connected to the whole-roll part 2a, one end of the first pusher 222 is rotationally connected to one side of the swing arm 221, the other end is connected to the end close to the swing arm 221, the detection wheel 223 is rotationally connected to one end of the swing arm 221, the tension detection sensor 225 is connected to the other end of the swing arm 221, an arc-shaped through groove is formed in the swing arm 221, one end of the tension limiting rod 224 is connected to the inner side wall of the whole-roll part 2a, the other end stretches into the through groove, the tension limiting rod 224 slides in the through groove to limit the rotation angle range of the swing arm 221, the whole-roll guide roller set 24 comprises a plurality of flat rollers, the directions of the diaphragms are reversed, the space of the winding machine 2 is fully utilized, and the structure is more compact.

Preferably, a plurality of edge guiding wheels 235 are arranged in parallel to the moving direction of the composite film at the film feeding part entering the whole roll part 2a, and the edge guiding wheels 235 are rotatably connected to the side wall of the whole roll part 2a, so that the longitudinal position of the composite film can be conveniently adjusted, and the winding precision is improved.

Further, the winding part 2b comprises a winding frame 25, a winding roller group 26, a winding press roller group 27, a winding sliding table component 28 and a fly cutter component 29, wherein the winding roller group 26 is rotationally connected to the winding frame 25, the winding press roller group 27 is rotationally connected with the center of the winding roller group 26, the winding sliding table component 28 is slidably connected with one end of the discharging material of the winding press roller group 27 and can move forwards and backwards towards the direction of the winding press roller component 27, the fly cutter component 29 is arranged above the winding roller group 26 and is used for cutting and cutting the composite film roll after winding, the composite film roll is convenient to move subsequently, a sectioning device is further arranged at one end of the winding roller group 26, the composite diaphragm can be divided into sections with different widths, and batteries with different specifications are manufactured.

Preferably, the wind-up roller set 26 includes a driving wind-up roller 261, a wind-up driver 262 and a driven wind-up device 263, the wind-up driver 262 is installed on the outer sidewall of the wind-up frame 25, the output end of the wind-up driver 262 is connected with the driving wind-up roller 261, and is used for driving the driving wind-up roller 261 to rotate, power is provided for collecting the composite membrane, the driven wind-up device 263 is movably connected with one side of the driving wind-up roller 261, and can move towards the driving wind-up roller 261, by adjusting the distance between the driving wind-up roller 261 and the driven wind-up device 263, the pressure for compacting the composite membrane is adjusted, the composite membrane is leveled and the force is applied to the wind-up shaft, the driven wind-up device 263 includes a bracket 2631, a driven wind-up roller 2632 and a driven wind-up cylinder 2633, one end of the bracket 2631 is rotatably connected with the inner sidewall of the wind-up frame 25, the other end of the driven wind-up roller 2632 is rotatably connected with the middle part of the bracket 2631, the driven wind-up roller 2632 is rotatably connected with the bracket 2631, and the distance between the driven wind-up roller 2632 and the driving wind-up roller 261 is adjusted by the driven wind-up cylinder 2631; the winding press roller set 27 comprises a press roller 271, a press arm 272, a pushing device 273 and a limiting cross rod 274, one end of the press arm 272 is rotationally connected with the driving winding roller 261, one end of the pushing device 273 is rotationally connected to the inner side wall of the winding frame 25, the other end of the pushing device 273 is rotationally connected to one side of the press arm 272, the press roller 271 is rotationally connected to the other end of the press arm 272, the limiting cross rod 274 is arranged across the winding frame 25 and between the press roller 271 and the connecting point of the pushing device 273, when the press arm 272 moves downwards to the lowest point, the press arm 272 contacts with the limiting cross rod 274 to limit the downward movement of the press arm 272, the press arm 272 moves upwards under the action of the pushing device 273, the press arm 272 contacts with the output end of the pushing device 273 to limit the upward movement of the press arm 272, the cross section of the press arm 272 is arranged in a tree fork shape, and the limiting cross rod 274 is arranged in the tree fork shape and used for limiting the movement range of the press roller 271.

Preferably, the roll feeding sliding table assembly 28 comprises a sliding plate 281, a first clamping fork 282, a guide rail 283, a roll feeding rack 284, a pushing cylinder 285, a second clamping fork 286, a roll driving device 287 and a roll chuck 288, wherein the sliding plate 281 is slidingly connected to two side walls of the roll frame 25 through the guide rail 283, one end of the first clamping fork 282 is rotationally connected to the axis of the active roll-up roller 261, the guide rail 283 and the roll feeding rack 284 are mutually arranged on the side walls of the roll frame 25 in parallel, the sliding plate 281 is used for guiding and providing power for the movement of the sliding plate 281, the second clamping fork 286 is arranged on the sliding plate 281, the roll chuck 288 is rotationally connected to the sliding plate 281, the roll driving device 287 is connected to the outer side of the sliding plate 281 and is used for driving the roll chuck 288 to rotate, the roll chuck 288 is used for clamping the membrane scroll, the second clamping fork 286 and the first clamping fork 282 are provided with U-shaped clamping openings, the membrane scroll is clamped and positioned by the two clamping openings in a staggered mode, the second clamping fork 286 comprises a movable claw 2861, a fixed claw 2862 and a pushing claw cylinder 2863, the fixed claw 2862 is fixedly arranged on the side wall of the roll frame 25, the movable claw 2862 is used for moving, the movable claw is connected to the movable claw 2861 through the upper end 2861, and the movable claw 2861 is connected to the movable claw 2861, and the movable claw is controlled to the movable claw 2861 and the movable claw is controlled.

Preferably, the fly cutter assembly 29 comprises a cross beam 291 and a cutter 292, the cross beam 291 spans the winding frame 25 and is positioned above the winding roller set 26, the cutter 292 is slidably connected to the cross beam 291, the position of the cutter 292 for cutting off the diaphragm can be adjusted, and the flatness of the edge of the wound diaphragm is ensured.

Preferably, the sectioning component 293 comprises a sectioning roller 294, a plurality of cutters 295 and a horizontal tube 296, the horizontal tube 296 and the sectioning roller 294 are arranged on one side of the winding roller set 26 for feeding the diaphragm, the cutters 295 are connected to the horizontal tube 296 in a sliding mode at intervals, a plurality of annular grooves are formed in the sectioning roller 294 and are arranged on the sectioning roller 294 at equal intervals, the cutters 295 are arranged in one-to-one correspondence with the annular grooves in the sectioning roller 294, the cutters 295 are connected to the horizontal tube 296 through quick-folding bolts, the positions of the cutters 295 are adjusted, the cutting edges of the cutters 295 extend into the annular grooves, sectioning cutting is carried out on the diaphragm, and the positions of the cutters 295 are adjusted to divide the diaphragm into different widths so as to meet the requirement that the diaphragm is used for manufacturing different products.

The working process of winding is as follows:

The composite film from the diaphragm compound machine 1 enters the winding machine 2 from the whole winding part 2a, the whole winding power roller group 21 enters the winding machine 2 through friction force, the edge of the composite film roll is trimmed and cut by the trimming device 23 before the composite film passes through the whole winding power roller group 21, the tension of the composite film is measured by the tension detecting device 22, the composite film enters the winding part 2b from the whole winding part 2a after being guided by the whole winding guide roller group 24, when entering the winding part 2b, the composite film is cut in sections by the plurality of cutters 295 of the sectioning component 293, the composite film is divided into the same or different widths, the winding roller group 26 compresses the composite film, the composite film is provided with power for moving, the composite film enters the roll feeding sliding table component 28, the composite film is driven to rotate around a winding shaft by the winding chuck 288 to form the composite film, the pressure roller 271 of the winding press roller set 27 is tightly attached to the composite film roll to provide continuous pressure for the composite film roll in the winding, the pressure roller 271 is driven by the press arm 272 to move outwards to match the composite film roll to prevent the composite film from deviating, the fly cutter assembly 29 performs trimming treatment on the composite film before entering the winding sliding table assembly 28, after the winding is completed, the pressure roller 271 is loosened, the winding sliding table assembly 28 moves outwards to send the composite film roll to the discharge end of the winding part 2b, the second clamping fork 286 is loosened to take the composite film roll away, the winding sliding table assembly 28 sends the winding shaft into the first clamping fork 282 to be positioned and locked after the winding shaft is reinstalled to the second clamping fork 286 in a matching manner with the winding lifting mechanism 32 on the coil unloader 4, and the next winding is completed.

Referring specifically to fig. 29-32, further, the coil unloader 4 includes a pressing shaft device 41, a lifting device 42, a moving device 43, a guide wheel 44 and a rail 45, the pressing shaft device 41 is disposed on the lifting device 42 and is close to the end of the lifting device 42, the moving device 43 is disposed below the lifting device 42, the guide wheel 44 is disposed at the bottom of the lifting device 42, the rail 45 is disposed below the coil hoist 3, the guide wheel 44 is in rolling connection with the rail 45, the coil unloader 4 is combined with the coil hoist 3, the composite film coil is detached from the winding shaft, and the winding shaft is replaced on the coil winder 2.

Preferably, the shaft pressing device 41 comprises a shaft pressing cylinder 411, a pressing block 412, a vertical plate 413 and a groove block 414, wherein the vertical plate 413 is fixed on the side wall of the top end of the lifting device 42 and extends upwards from the top end of the lifting device 42, the section of the vertical plate 413 is trapezoid, the pressing block 412 is slidably connected on the vertical plate 413 and can move up and down towards the top end face of the lifting device 42, an arc-shaped groove is formed at the downward end of the pressing block 412 and is used for being matched with the pressing block 412 to clamp a winding shaft, the groove block 414 is fixed on the end face of the lifting device 42 and is located right below the pressing block 412, an expanding clamping groove is formed at the upward end of the groove block 414, the bottom of the clamping groove is empty to form a vacancy, the clamping groove is opposite to the arc-shaped groove on the pressing block 412 and is used for clamping the winding shaft, the shaft pressing cylinder 411 is fixed on the vertical plate 413, and the output end of the shaft pressing cylinder 411 is connected with the pressing block 412 and used for pushing the pressing block 412 to move downwards, and the pressing shaft 411 is used for continuously outputting a force to clamp the winding shaft.

Preferably, the lifting device 42 comprises a carrying roll table 421, a shearing fork lifting mechanism 422, a lifting cylinder 423, a hanging lug 424, a sliding chute block 425 and a limiting piece 426, wherein the carrying roll table 421 is arranged at the top of the shearing fork lifting mechanism 422, an anti-rolling groove is arranged on the carrying roll table 421, the anti-rolling groove is a V-shaped groove, the lowest point of the anti-rolling groove is positioned at the middle part of the carrying roll table 421 and is used for guiding the detached composite film roll to the middle part of the carrying roll table 421 and preventing the composite film roll from falling off when the composite film roll is unloaded, the composite film roll is conveniently taken out, the shearing fork lifting mechanism 422 comprises a first fork arm and a second fork arm which are connected in a cross rotation way and a frame at the top and the top, the hanging lug 424 is arranged on the first fork arm and is positioned above the connecting point of the first fork arm and the second fork arm, the hanging lug 424 is staggered with the first fork arm towards the upper part of the shearing fork lifting mechanism 422, the hanging lug 424 is connected with the extending end of the lifting cylinder 423 in a rotation way, the output force of the shear fork lifting mechanism 422 is improved and the up-and-down stroke of the shear fork lifting mechanism 422 is increased by changing the force point of the lifting cylinder 423, the fixed end of the lifting cylinder 423 is rotationally connected with the end part of the second fork arm, the chute block 425 is arranged on the upper and lower frames, the chute block 425 is provided with a chute, the same side end parts of the second fork arm and the first fork arm are both slidingly connected in the chute, the chute block 425 is used for reducing the resistance when the first fork arm and the second fork arm slide, meanwhile, the lifting height of the shear fork lifting mechanism 422 can be limited, the shear fork lifting mechanism 422 is prevented from being damaged by overtravel, the use safety of the shear fork lifting mechanism 422 is improved, the limiting pieces 426 are arranged on two ends of the carrying table 421, arc grooves are formed in the limiting pieces 426 and can be matched with the winding shaft, the height position of the winding shaft is determined, and the limiting pieces 426 are positioned at the lowest points of the anti-rolling grooves, and two end surfaces of the carrying table 421 are blocked.

Preferably, the moving device 43 comprises a moving driving gear motor 431, a driving belt structure 432 and a driving wheel 433, wherein the driving gear motor 431 is installed on the lower frame of the scissor lifting mechanism 422, one end of the driving belt structure 432 is connected with the moving driving gear motor 431, the other end of the driving belt structure 432 is connected with the driving wheel 433, the driving wheel 433 is rotatably connected below the lower frame of the scissor lifting mechanism 422, the driving wheel 433 rolls on the track 45, and the moving device 43 is used for pushing the coil unloader 4 to move on the track 45 and pushing the discharged composite film coil out of logistics equipment outside the production line, so that automatic production of the composite film coil is realized.

Preferably, the guide wheel 44 and the driving wheel 433 are respectively installed below the lower frame of the scissor lifting mechanism 422, a flange is arranged on the outer edge of the guide wheel 44, the flange is inwards recessed to form a wheel groove 441, the wheel groove 441 is matched with the track 45, the coil unloader 4 is guided to move along a straight line, the coil unloader 4 is prevented from deviating, and the roller 442 is used for connecting the guide wheel 44 and the driving wheel 433, so that the guide wheel 44 and the driving wheel 433 rotate synchronously, and the stability of the movement of the coil unloader 4 is maintained.

Preferably, the track 45 is installed in a segmented splicing mode, and can be assembled according to the actual use distance, so that the installation is convenient and the installation can be prolonged at any time.

The invention also discloses a battery diaphragm processing method, which comprises the battery diaphragm winding method, wherein the battery diaphragm winding method further comprises the following steps before the step S1:

unreeling: the method comprises the steps of respectively mounting a plurality of diaphragm rolls on each unreeling mechanism of a diaphragm compound machine (1), and adjusting the axial positions of the diaphragm rolls by the unreeling mechanisms to align the positions of the plurality of diaphragm rolls;

And (3) whole roll: the unreeling mechanism rotates to release the diaphragm, and the diaphragm is subjected to wrinkle removal and deviation correction by the wrinkle removal mechanism and the deviation correction mechanism;

Compounding: the diaphragms released by the unreeling mechanisms selectively enter a compounding roller set, and the diaphragms with different layers are compounded according to actual requirements;

and (3) rolling: the composite film compounded by the composite roller group is wound into a roll by a winding machine (2).

Variations and modifications to the above would be obvious to persons skilled in the art to which the invention pertains from the foregoing description and teachings. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present invention in any way.

Claims

1. A battery separator hanging scroll method, characterized by comprising the following steps:

S1, taking a coil: the hanging coil mechanism (32) moves to one side of the hanging frame (31) and clamps two ends of the composite film coil;

After said step S1, a step S1.1 is further included: the lifting mechanism (32) comprises a hook claw (321), a lock catch (322), a lifting plate (323), a lifter (325) and a sliding frame (328), wherein the sliding frame (328) is connected to the lifting frame (31) in a sliding mode, the lifting plate (323) is arranged on the sliding frame (328), the lifter (325) is arranged on the sliding frame (328), the lifting plate (323) is connected with the lifter (325), the hook claw (321) is arranged below the lifting plate (323), the lock catch (322) is connected to an opening of the hook claw (321) in a rotating mode, the lock catch (322) rotates, the hook claw (321) is opened, the sliding frame (328) and the lifter (325) drive the hook claw (321) to align to two ends of a composite film roll, and the lock catch (322) rotates to seal the hook claw (321).

After said step S1.1, a step S1.2 is also included: the lifting mechanism (32) further comprises a guide rod (324) and a height measuring rod (3241), the guide rod (324) is arranged on the carriage (328), one end of the lifting plate (323) is slidably connected to the guide rod (324), the height measuring rod (3241) and the guide rod (324) are arranged on the carriage (328) side by side, a plurality of holes are formed in the height measuring rod (3241), and the lifting plate (323) moves along the guide rod (324) in a lifting mode;

S2, roll feeding: the coil hanging mechanism (32) moves the composite film coil to a coil unloading position;

S3, coil stripping: the hanging coil mechanism (32) is used for loosening two ends of the composite film coil and simultaneously fixing one end of the composite film coil, the coil supporting mechanism (33) is used for supporting the composite film coil from bottom to top, and the coil supporting mechanism (33) moves towards the other end of the composite film coil to detach the composite film coil from the winding shaft;

after said step S3, a step S3.1 is further included: the coil supporting mechanism (33) comprises a claw supporting structure (332), a transverse frame (334), a hanging rod (335), a first sliding rail (336) and a pusher (338), wherein the transverse frame (334) spans across the hanging frame (31), the first sliding rail (336) is arranged on the side wall of the transverse frame (334) along the length direction of the transverse frame (334), one end of the hanging rod (335) is slidably connected to the first sliding rail (336), the pusher (338) provides power for the movement of the hanging rod (335), the claw supporting structure (332) is connected to the other end of the hanging rod (335), the claw supporting structure (332) comprises a supporting arm (3321), a first joint arm (3322), a second joint arm (3323) and a supporting driver (3324), the supporting arm (3321) is rotatably connected to the hanging rod (335), one end of the first joint arm (3322) is rotatably connected to one end of the supporting arm (3321), the other end of the first joint arm (3322) is rotatably connected to the second joint arm (3322) is rotatably connected to the other end of the hanging rod (3322), the other end of the second joint arm (3322) is rotatably connected to the other end of the hanging rod (3322), the second joint arm (3323) can be parallel to the length direction of the hanging rod (335), the hanging mechanism (32) moves to one side of the coil supporting mechanism (33), the supporting arm (3321) rotates to contact with the lower part of the composite film coil, and the direction of the supporting arm (3321) is vertical to the direction of the second joint arm (3323);

in step S3.1, the rotation points of both ends of the first joint arm (3322) are symmetrical along the midline of the first joint arm (3322);

After said step S3.1, a step S3.2 is further included: the supporting claw structure (332) further comprises a stop rotating rod (3325) and a lifting groove (3326), the stop rotating rod (3325) is arranged close to the rotating center of one end of the supporting arm (3321), the stop rotating rod (3325) is positioned in the rotating range of the first joint arm (3322), the lifting groove (3326) is arranged on the supporting arm (3321), one outward side of the lifting groove (3326) is arranged in an expanding shape, and when the supporting arm (3321) contacts with a composite film roll, the composite film roll falls into the lifting groove (3326);

s4, returning the shaft: after coil unloading is completed, the coil supporting mechanism (33) is far away from the coil winding shaft, the coil hanging mechanism (32) clamps the two ends of the coil winding shaft again, and the coil winding shaft is returned to one side of the hanging bracket (31).

2. The battery separator hang rolling method of claim 1, wherein:

after said step S1.2, a step S1.3 is further included: the lifting mechanism (32) further comprises a lifting power device (326) and a lifting moving device (327), the lifting power device (326) is arranged on the sliding frame (328), the lifting moving device (327) is arranged on one side wall of the sliding frame (328), the lifting moving device (327) comprises a power shaft (3271), a second rack (3272), a third sliding rail (3273) and a power source (3274), the power source (3274) is arranged on one side wall of the sliding frame (328), the power shaft (3271) is connected with the power source (3274), the end of the power shaft (3271) is meshed with the second rack (3272), the sliding frame (328) is slidably connected on the third sliding rail (3273), the lifting power device (326) pushes the hook claw (321) to move in a lifting mode, and the lifting moving device (327) pushes the hook claw (321) to move transversely.

3. The battery separator hang rolling method of claim 2, wherein:

after said step S1.3, a step S1.4 is further included: the hanging scroll mechanism (32) further comprises a hook groove (3211), the hook groove (3211) is formed in the inner wall of the hook claw (321), the hook groove (3211) is lower than the opening of the hook claw (321), and two ends of the composite film roll fall into the hook groove (3211).

4. The battery separator hang tag method of claim 3, wherein:

the claw supporting structure (332) further comprises a spreading arm (3327), one end of the spreading arm (3327) is arranged on the side wall of the hanging rod (335), and one end of the lifting driver (3324) is rotatably connected to the spreading arm (3327).

5. A battery separator processing method, comprising the battery separator hanging and rolling method as claimed in any one of claims 1 to 4, characterized in that: the method further comprises the following steps before the step S1: