CN117878523A

CN117878523A - Battery diaphragm production line

Info

Publication number: CN117878523A
Application number: CN202310474699.4A
Authority: CN
Inventors: 赵盛; 黄彦淇; 段亚飞
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: 2024-04-12

Abstract

The invention discloses a battery diaphragm production line, which belongs to the technical field of manufacturing of lithium battery diaphragms, and comprises a diaphragm compounding machine, a winding machine, a coil lifting machine and a coil unloader, wherein the winding machine is connected with the diaphragm compounding machine, the coil lifting machine is arranged above one end of the winding machine, the coil unloader is arranged below the coil lifting machine, the coil unloader can enter and exit the coil lifting machine, the diaphragm compounding machine comprises a plurality of coil unwinding mechanisms and a plurality of compounding roller groups, the plurality of coil unwinding mechanisms are arranged on the outer side wall of the diaphragm compounding machine, the plurality of compounding roller groups are rotatably connected in the diaphragm compounding machine, the plurality of coil unwinding mechanisms can respectively provide diaphragms for a plurality of compounding rollers, and can finish the compounding of diaphragms of different layers.

Description

Battery diaphragm production line

Technical Field

The invention relates to the technical field of manufacturing of lithium battery diaphragms, in particular to a battery diaphragm production line.

Background

The lithium-based battery is classified into a lithium battery and a lithium ion battery, and has a high energy ratio; the service life is long, the service life can reach more than 6 years, and the cycle times are more; the rated voltage is high (the single body working voltage is 3.7V or 3.2V); the lithium iron phosphate lithium ion battery for the electric automobile has high power bearing capacity, wherein the lithium iron phosphate lithium ion battery for the electric automobile can achieve 15-30C charge and discharge capacity, and high-strength starting acceleration is facilitated; the self-discharge rate is very low, and the self-discharge device can be used for medical appliances; the weight is light, and the weight is about 1/5-6 of that of the lead-acid product under the same volume; the high-low temperature adaptability is strong, can be used in the environment of-20 ℃ to 60 ℃, the product can be used in an environment of-45 ℃ after being processed; the lithium ion battery is environment-friendly, does not contain or generate any toxic and harmful heavy metal elements and substances such as lead, mercury, cadmium and the like no matter in production, use and scrapping, is suitable for being used as an integrated circuit power supply, is widely applied to computers, calculators and watches, is widely applied to mobile phones, notebook computers, electric tools, electric vehicles, street lamp standby power supplies, navigation lights and household small appliances, and can also be powered by adopting lithium batteries along with the development of new energy technology, particularly the appearance of lithium iron phosphate material batteries, so that the endurance and safety of the electric vehicles are greatly improved.

The front-stage procedure of lithium battery production 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: the rolled electrode strips are cut into lengths and widths required by assembled batteries according to different battery models, burrs are not required to appear during cutting, the rolling process of the anode and cathode diaphragms has a large influence on the performance of the batteries, the conventional production line can only produce single-variety battery diaphragms, and the automatic degree is low, and the production efficiency and the safety are low.

The patent application with the prior publication number of CN102442566A discloses a lithium battery diaphragm compounding machine, which comprises an unreeling device, a rolling device and a reeling device, wherein four unreeling rollers are arranged on an unreeling machine frame, a transition roller is arranged at the rear end of each unreeling roller, two groups of rolling devices are arranged on the rolling machine frame, each rolling device comprises a transition roller, an arc roller, a transition traction roller, a driving pressing roller and a main driving roller, the driving pressing roller and the main driving roller are used for compounding the diaphragm in a rolling manner, the rolling device is arranged in a parallel-like structure, a third pressing roller is arranged outside one group of the main driving rollers for compounding the diaphragm, the unreeling rollers of the diaphragm compounding machine are tightly arranged, the diaphragm compounding machine is inconvenient to replace, the replacement is inconvenient when the number of layers of the compound diaphragm is regulated, the subsequent reeling quality is not controlled, and the safety of transferring the compound diaphragm in the production process is low.

Disclosure of Invention

The invention aims to provide a battery diaphragm production line, which solves the problems that diaphragms cannot be quickly replaced in the production process of battery diaphragms to produce composite films with different layers and specifications and the production safety of heavy composite film rolls is low.

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

the utility model provides a battery diaphragm production line, includes diaphragm compounding machine, rolling machine, lifting machine and unloading machine, the one end of rolling machine with the diaphragm compounding machine links to each other, the lifting machine sets up the top of rolling machine other end, the unloading machine sets up the below of lifting machine, the unloading machine can business turn over the lifting machine, the diaphragm compounding machine includes a plurality of unreeling mechanism, a plurality of compound roller group and frame, and is a plurality of unreeling mechanism sets up on the lateral wall of frame, a plurality of compound roller group rotates to be connected in the frame, a plurality of unreeling mechanism can be respectively to a plurality of compound roller group provides the diaphragm, can accomplish the diaphragm of different grades and compound, and it is convenient to switch production complex film roll, and application range is wide.

Further, still include first unreeling mechanism, second unreel mechanism, third unreel mechanism, fourth unreel mechanism, first compound roller group, second compound roller group, third compound roller group, first reposition of redundant personnel roller, second reposition of redundant personnel roller, third reposition of redundant personnel roller and fourth reposition of redundant personnel roller, first unreel mechanism the second unreels the mechanism third unreels the mechanism and fourth unreels the mechanism and all set up on the frame lateral wall, first compound roller group the second compound roller group the third compound roller group rotates in proper order and connects in the frame, first reposition of redundant personnel roller sets up third unreels the mechanism with between the first compound roller group, the second reposition of redundant personnel roller sets up third unreels the mechanism with between the second compound roller group, the fourth reposition of redundant personnel roller sets up fourth unreels the mechanism with between the third compound roller group, make the compound roller that the mechanism can not get into in the compound membrane smoothly, the compound quality of compound roller group can be improved.

Preferably, the membrane compounding machine further comprises a wrinkle removing roller set, the wrinkle removing roller set is rotationally connected to the frame, and the wrinkle removing roller set is arranged between the unreeling mechanism and the compounding roller set, so that the membrane entering the compounding membrane roll is free of wrinkles and interlayers, and the quality of the compounding membrane is improved.

Preferably, the diaphragm compounding machine further comprises a deviation rectifying mechanism, the deviation rectifying mechanism is arranged on one side of the unreeling mechanism, the deviation rectifying mechanism comprises a push arm, a push rod and a push head, one end of the push rod is arranged on the inner side wall of the frame, the push head is arranged on one end of the push arm and used for correcting the position of the diaphragm released by the unreeling mechanism to a certain extent, and the precision of the formed composite film is improved.

Preferably, the unreeling mechanism comprises a left chuck, a left sliding table, an unreeling driver, a width adjusting driver, a left width adjusting screw rod, a right chuck, a right sliding table, a right width adjusting screw rod and a synchronous rod, wherein the left sliding table and the right sliding table are relatively and slidably connected to the unreeling mechanism, the left chuck is rotationally connected to the left sliding table, the right chuck is rotationally connected to the right sliding table, the left chuck and the right chuck are aligned, the unreeling driver is used for driving the left sliding table and the right sliding table to move simultaneously, the width adjusting driver is connected with the left width adjusting screw rod, the left width adjusting screw rod is connected with the left sliding table, the right width adjusting screw rod is connected with the right sliding table, and two ends of the synchronous rod are connected with the left width adjusting screw rod and the right width adjusting screw rod, so that the positions of diaphragm rolls on the unreeling mechanism can be respectively adjusted, and the diaphragm rolls can be aligned, and the precision of the composite diaphragm can be improved.

Preferably, a plurality of compound roller sets are sharp setting in the frame, compound roller sets include initiative compound roller and driven compound roller, initiative compound roller rotates to be connected in the frame, driven compound roller telescopic connection is in the top of initiative compound roller, can compound the membrane and roll in many times, improves the inseparable degree of shaping compound membrane roll.

Preferably, the membrane compounding machine further comprises a plurality of unwinding roller sets and tension roller sets, the unwinding roller sets are close to the unwinding mechanism and are arranged on the frame, the unwinding roller sets comprise grooved rollers and flattening rollers, spiral grooves are formed in the surfaces of the grooved rollers, the spiral grooves are divided into front and rear parts by the axial centers of the grooved rollers, the spiral grooves are opposite in rotation, the tension roller sets are arranged between the unwinding mechanism and the compounding roller sets, the tension roller sets comprise a plurality of tension rollers, the tension rollers are arranged in a vertically staggered mode, the tension rollers can actively rotate, the wrinkle removing roller sets are arranged on one side of the feeding of the compounding roller sets, and can flatten, support and provide thrust for the membrane turned in by the unwinding mechanism, so that the flatness can still be ensured in long-distance movement of the membrane, and the compounding precision of the multilayer membrane is improved.

Preferably, the coil lifting machine comprises a hanger, a coil lifting mechanism and a coil supporting mechanism, the coil lifting mechanism is slidably connected to the hanger and can move along the longitudinal direction of the hanger, the coil supporting mechanism is slidably connected to the hanger and can move along the transverse direction of the hanger, the coil lifting mechanism comprises a hook claw, a lock catch, a lifting plate, a guide rod, a lifter, a lifting power device, a lifting moving device and a sliding frame, the sliding frame is slidably connected to the hanger, the lifting plate is arranged below the sliding frame, the lifter is arranged on the sliding frame, the lifter is connected with the lifting plate, the hook claw is arranged below the lifting plate, the lock catch is rotatably connected to an opening of the hook claw, the coil supporting mechanism comprises a bracket, a claw supporting structure, a second rack, a transverse frame, a hanging rod, a second sliding rail, a third sliding rail and a second pusher, the transverse frame spans across the hanger, the second sliding rail and the third sliding rail are arranged on two adjacent side walls of the transverse frame, one end of the sliding frame is connected to the bracket, the second sliding arm is connected to the second sliding arm, the second sliding arm is connected to the other end of the hanger, the second sliding arm is connected to the other end of the hanger is connected to the rotating arm, the rotating arm is connected to the rotating arm, the rotating mechanism is connected to the rotating arm, and the rotating arm is provided with the rotating arm, and the rotating mechanism is connected to the rotating arm, one end of the lifting driver is rotationally connected with the middle part of the second joint arm, the other end of the lifting driver is rotationally connected to the suspender, the first joint arm can be coincident with a rotating point connecting line at two ends of the second joint arm, the coil lifting mechanism and the coil supporting mechanism are combined to complete coil taking and coil unloading actions, and under the condition of losing power, the coil lifting mechanism and the coil supporting mechanism are still guaranteed to be stable, so that the lifting mechanism is safe and reliable to use.

Preferably, the winding machine comprises a whole winding part and a winding part, the whole winding part is connected with the winding part, the whole winding part comprises a whole winding power roller set, a tension detection device, a trimming device and a whole winding guide roller set, the whole winding power roller set comprises a traction driving roller, a traction driven roller and a traction speed reduction motor, the traction driven roller is connected above the traction driving roller in a lifting manner, the traction speed reduction motor is connected with the traction driving roller, the trimming device is arranged on one side of the whole winding power roller set, the trimming device comprises a trimming cutter set, a cutter holder, a cutter rest and a quick-release device, the trimming cutter set is arranged on the cutter holder, the cutter rest is connected on the cutter rest in a sliding manner, the cutter rest is arranged along the width direction of the winding machine, the quick release device is connected with the tool apron and the trimming knife set, the tension detection device is arranged below the whole roll power roller set, the whole roll guide roller set is arranged below the tension detection device, the winding part comprises a winding frame, a winding roller set, a winding press roller set, a roll feeding sliding table assembly and a fly knife assembly, the winding roller set is rotationally connected onto the winding frame, the winding press roller set can wind the center of the winding roller set to rotate, the roll feeding sliding table assembly is slidingly connected with the discharge end of the winding press roller set, and the fly knife assembly is arranged above the winding roller set and can perform cutting, tension adjustment and winding on a composite roll to ensure the quality of the composite film roll.

Preferably, the coil unloader comprises a pressing shaft device, a lifting device, a moving device, a guide wheel and a track, wherein the pressing shaft device is arranged under the lifting device, the guide wheel is arranged at the bottom of the lifting device, the track is arranged under the coil unloader, the guide wheel is in rolling connection with the track, the pressing shaft device comprises a pressing shaft cylinder, a pressing block, a vertical plate and a groove block, the vertical plate is arranged on one side of the top of the lifting device, the pressing block is in sliding connection with the vertical plate, the groove block is arranged on the top end face of the lifting device and is positioned under the pressing block, the pressing shaft cylinder is used for pushing the pressing block to move, the lifting device comprises a coil carrying table, a fork lifting mechanism, a lifting cylinder and a hanging lug, the coil carrying table is arranged at the top of the fork lifting mechanism, a rolling prevention groove is formed in the coil carrying table, the fork lifting mechanism comprises a first fork arm and a second fork arm which are in cross rotation connection, and the hanging lug can be connected with the first fork arm, and the hanging lug can be used for conveying a finished product, and the finished product can be transported to the outside of a large-sized roll.

The beneficial effects of the invention are as follows:

(1) The battery diaphragm production line is provided with a diaphragm compounding machine, a winding machine, a lifting machine and a coil unloader, the winding machine is connected with the diaphragm compounding machine, the lifting machine is arranged above one end of the winding machine, the coil unloader is arranged below the lifting machine, the coil unloader can be used for feeding and discharging the diaphragm coils from the outside, the diaphragm coils can be quickly and safely replaced, continuous production of a composite film can be realized by utilizing the combination of the diaphragm compounding machine, the winding machine, the lifting machine and the coil unloader, the diaphragm coils can be input to obtain the composite film coils, the automatic production efficiency is high, a plurality of unwinding mechanisms and a plurality of composite roller groups are arranged on the diaphragm compounding machine, the plurality of unwinding mechanisms can selectively feed coils to the plurality of composite roller groups, so that the diaphragm compounding machine can automatically produce composite film coils with different specifications and layers, the production line has the capability of producing composite film coils with various specifications, different diversion rollers are arranged in front of the composite roller groups, and the diaphragm can be used for leading in different unwinding mechanisms to be more than or equal to the diaphragm of the battery, and the diaphragm can be particularly stable and the diaphragm of the battery can be led into the diaphragm of the large-size and the diaphragm.

(2) The diaphragm compounding machine on the battery diaphragm production line is further provided with a wrinkle removing roller set, a deviation correcting mechanism, an uncoiling roller set and a tension roller set, the position of the diaphragm coil on the wrinkle removing roller set, the uncoiling mechanism can be automatically adjusted, the positions of a plurality of diaphragm coils are opposite, the precision of the compound diaphragm and the precision of diaphragm coil replacement are improved, the deviation correcting mechanism can correct the position of the diaphragm coil from the uncoiling mechanism, the position of the released diaphragm is adjusted to a certain extent, the accuracy of the compound diaphragm is ensured, the wrinkle removing roller set and the uncoiling roller set can flatten the released diaphragm, the wrinkles and overlapping generated in the conveying and uncoiling processes of the diaphragm are prevented from affecting the compound quality, the tension roller set is used for providing moving power and support for the diaphragm, and the diaphragm is prevented from deforming in long-distance movement and affecting the compound quality.

(3) The battery diaphragm production line is also provided with a winding machine, the winding machine is provided with a whole winding part and a winding part, the whole winding part can provide traction force for the composite diaphragm winding and adjust the size of the traction force in real time, the winding part can wind, trim and divide the composite film winding, the specification of the composite film winding can meet different use occasions, the winding machine and the coil unloader can be matched together to automatically finish the coil unloading and the repeated utilization of the coil winding of the composite film winding, and the coil unloading step is reduced.

(4) The coil lifting machine and the coil unloader are combined to complete the coil unloading and the coil winding disassembly, the coil winding recycling is achieved, the coil lifting mechanism and the coil supporting mechanism are arranged on the coil lifting machine, the moving direction of the coil lifting mechanism is vertical to that of the coil supporting mechanism, after the coil lifting mechanism lifts the composite film coil, the coil supporting mechanism can detach the composite film coil on the coil winding, after the disassembly is completed, the coil lifting mechanism is used for winding the coil winding to a coil winding station to complete the winding, the coil lifting mechanism and the coil supporting mechanism are high in loading capacity and stable in movement, the coil unloading is safe and reliable, and meanwhile the coil unloader adopts the fork lifting mechanism to support the coil, and is stable in structure, high in bearing capacity and high in safety.

Drawings

FIG. 1 is a process diagram of a battery separator production line provided by the invention;

FIG. 2 is an isometric view of a diaphragm compounding machine according to the present invention;

FIG. 3 is a second perspective view of the diaphragm compounding machine provided by the present invention;

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

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

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

FIG. 7 is a cross-sectional view taken along line A-A of FIG. 4;

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

FIG. 9 is an isometric view of a full roll of the present invention;

FIG. 10 is a second perspective view of the full roll of the present invention;

FIG. 11 is a front view of the full roll provided by the present invention;

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

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

FIG. 14 is a cross-sectional view taken along line C-C of FIG. 11;

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

FIG. 16 is an isometric view of a wrap portion provided in accordance with the present invention;

FIG. 17 is a second perspective view of the winding portion according to the present invention;

FIG. 18 is a front view of a wrap portion provided by the present invention;

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

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

FIG. 21 is a cross-sectional view taken along line E-E of FIG. 18;

FIG. 22 is a cross-sectional view taken along line F-F of FIG. 18;

FIG. 23 is an isometric view of a hoist provided in the present invention;

FIG. 24 is a front view of the hoist provided by the present invention;

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

FIG. 26 is a cross-sectional view taken along line G-G of FIG. 24;

FIG. 27 is a partial view of portion H of FIG. 26;

fig. 28 is an isometric view of a coil unloader provided by the present invention;

FIG. 29 is a front view of the coil unloader provided by the present invention;

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

Fig. 31 is a cross-sectional view taken along line J-J of fig. 30.

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 fig. 1-31, the invention discloses a battery diaphragm production line, which comprises a diaphragm compound machine 1, a winding machine 2, a lifting machine 3 and a coil unloader 4, wherein one end of the winding machine 2 is connected with the diaphragm compound machine 1, the lifting machine 3 is arranged above the other end of the winding machine 2, namely above an out-winding end, the coil unloader 4 is arranged below the lifting machine 3, the coil unloader 4 can reciprocate below the lifting machine 3 to move in and out, and coiled diaphragms are output to logistics equipment outside the battery diaphragm production line.

Further, 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, a third compound roller set 116 and a frame, wherein the first unreeling mechanism 11 is arranged at one end of the 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 changing is realized; the first compound roller set 114, the second compound roller set 115 and the third compound roller set 116 are arranged in parallel along the length direction of the frame, and the diaphragms on the first unreeling mechanism 11, the second unreeling mechanism 12 and the third unreeling mechanism 13 can be subjected to three-layer compounding through the first compound 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 rotation directions of the spiral groove of the front portion and the rear portion are opposite, the rotation directions of the spiral groove are opposite to the two ends of the grooved roller 1121 along the direction of the leading-out of the diaphragm, and the friction force of the spiral groove is applied to the two ends of the diaphragm when the diaphragm passes through the grooved roller 1121, so that the diaphragm can be stretched to the two ends, and the diaphragm can be prevented from wrinkling.

Preferably, a deflection mechanism 124 is arranged on one side wall of the flattening roller 1122, the deflection mechanism 124 is arranged on one end of the flattening roller 1122, the deflection mechanism 124 is arranged along the moving direction of the diaphragm, the deflection mechanism 124 adopts a hand wheel sliding table for adjusting the relative position of the flattening roller 1122 and the groove roller 1121, and the direction of the diaphragm can be adjusted through the dislocation pressure of the flattening roller 1122 and the groove roller 1121, so that a certain deviation rectifying effect is achieved.

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. 9-22, 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 feeding 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 frame 25 extends to the whole winding part 2a and is used for supporting each roller group, the winding press roller group 27 is rotationally connected with the center of the winding roller group 26, the feeding sliding table component 28 is slidingly connected with one end of the discharging of the winding press roller group 27 and can move back and forth towards the direction of the winding press roller group 27, the fly cutter component 29 is telescopically connected above the winding roller group 26 and is used for cutting the composite coiled film when unreeling, a sectioning device is further arranged at one end of the feeding of the winding roller group 26 and can divide the composite diaphragm into sections with different widths,

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. 28-31, 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.

Referring specifically to fig. 23-27, further, the roll lifting machine 3 includes a hanger 31, a roll lifting mechanism 32 and a roll supporting mechanism 33, the roll lifting mechanism 32 is slidably connected to the hanger 31 and is capable of moving longitudinally on the hanger 31 for taking the composite film from the roll-up machine 2 and placing it on the roll unloader 4, and the roll supporting mechanism 33 is slidably connected to the hanger 31 and is capable of moving transversely on the hanger 31 for fixing the winding roll of the composite film roll so that the composite film roll is separated from the winding roll.

Preferably, a part of the hanger 31 is connected to the winding machine 2, the other part is fixed on the ground, the hanger 31 is composed of a vertical rod and a cross rod, the winding machine 2 is connected through the hanger 31 so that the winding machine 2 is aligned with the winding machine 3, the winding machine is convenient to wind up and down, the winding mechanism 32 comprises a hook 321, a lock catch 322, a hanger plate 323, a guide rod 324, a lifter 325, a lifting power device 326, a lifting moving device 327 and a sliding frame 328, the sliding frame 328 is connected to the top end of the hanger 31 in a sliding manner, the paired hanger plates 323 are arranged below the sliding frame 328 near two ends, the lifter 325 is arranged on the sliding frame 328, the hanger plate 323 is connected with the lifter 325, the lifting can be carried out vertical to the ground, the hook 321 is arranged on the downward end of the hanger plate 323, a hook slot 3211 is arranged on the hook 321, the hook slot 3211 is lower than the inlet end of the hook claw 321, so that after the winding shaft enters the hook claw 321, the winding shaft can be stopped at a fixed position to prevent the winding shaft from sliding automatically, the lock catch 322 is rotationally connected to an opening of the hook claw 321, the hook claw 321 can be opened and closed by the driving of the air cylinder, after the winding shaft enters the hook claw 321, the winding shaft can not fall out, the winding shaft can be accurately pushed into the hook slot 3211 to complete positioning, the guide rod 324 is arranged at the upper end of the sliding frame 328, the guide rod 324 is in the same direction as the hanging plate 323 and is used for guiding in the lifting process of the hanging plate 323, the lifting precision and stability of the hanging plate 323 are improved, the integral structure of the hanging roller mechanism 32 is rigid, shaking does not occur in the moving process, and the safety of moving the composite film roll is improved.

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 42 of the unwinder 4 for unloading the composite film rolls at different heights.

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

Preferably, the lifting moving device 327 comprises a power shaft 3271, a first rack 3272, a first sliding rail 3273 and a power source 3274, wherein 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 first rack 3272 is arranged at the top end of a cross rod of the hanger 31, the gear is meshed with the first 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 first sliding rail 3273, and the sliding frame 328 is guided by the first sliding rail 3273 to be stable to move, so that the bearing capacity of the hook claw 321 is improved.

Preferably, the coil supporting mechanism 33 includes a bracket 331, a pawl supporting structure 332, a second rack 333, a transverse frame 334, a hanging rod 335, a second sliding rail 336, a third sliding rail 337 and a second pusher 338, the transverse frame 334 is arranged across the hanger 31, the second sliding rail 336 and the third sliding rail 337 are arranged on two adjacent side walls of the transverse frame 334, one end of the hanging rod 335 is connected to the bracket 331, the bracket 331 is slidably connected to the second sliding rail 336 and the third sliding rail 337, the hanging rod 335 is stable in moving and can bear the acting force in two vertical directions, the second rack 333 and the second sliding rail 336 are arranged on the transverse frame 334 side by side, the pawl supporting structure 332 is arranged on the other end of the hanging rod 335, the second pusher 338 is arranged on the transverse frame 334, the second pusher 338 is a speed reducing motor, a gear is arranged on an output shaft of the speed reducing motor and is matched with the second rack 333, and is used for pushing the pawl supporting structure 332 on the transverse frame 334 to move back and forth, and the pawl supporting structure 332 is used for supporting the composite coil membrane to be matched with the pressing shaft device 41 to detach the composite coil membrane from a winding reel, so that the composite coil membrane can be wound on a reel.

Preferably, the supporting claw structure 332 comprises a supporting arm 3321, a first joint arm 3322, a second joint arm 3323, a supporting driver 3324, a stop rod 3325 and a supporting groove 3326, wherein one end of 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 side of the rotating center of the supporting arm 3321, which is close to 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 hanging rod 335, one end of the supporting driver 3324 is rotatably connected with the middle part of the second joint arm 3323, the other end of the supporting driver 3324 is rotatably connected to the hanging rod 335, the direction of the first joint arm 3322 is parallel to the hanging rod 335 when the supporting arm 3321 moves to the hanging rod 335, the connecting line of the two ends of the first joint arm 3322 is coincident with the connecting line of the hanging rod 335, at this moment, the other ends of the supporting arm 3322 is perpendicular to the first joint arm 3322, at this moment, the supporting arm 3321, the first joint arm 3322 and the hanging rod 3323 are 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 hanging rod 335, one end of the supporting arm 3324 is rotatably, the other end of the supporting arm 3324 is rotatably connected to the hanging rod 3324, the hanging rod is rotatably, the other end of the supporting arm 3321 is rotatably connected to the hanging rod and the supporting arm is completely, the supporting arm and the supporting arm 3321 and the other end is rotatably and the supporting arm is rotatably connected to the supporting arm and the supporting arm 3321.

Further, the first arm 3322 is solid rod-shaped, 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 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.

The process of lifting 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 is driven by the lifting machine 325 to move the lifting claw 321 to one side of the winding shaft, the lower lock catch 322 is driven by the air cylinder to open, the opening of the lifting claw 321 is aligned with the winding shaft, the lifting moving device 327 moves to push the winding shaft into the lifting claw 321, the lifting moving device 327 is pushed by the lock catch 322 to be positioned in the hooking groove 3211 of the lifting claw 321, after the lock catch 322 is locked, the lifting moving device 327 moves to take the composite film out, the lifting moving device 325 drives the lifting claw 321 to move upwards, the lifting claw 321 moves to the upper part of the carrying table 421, at the moment, the lifting machine 325 drives the composite film roll to descend to the carrying table 421, the composite film is stably released, the lifting moving device 327 moves upwards to the empty position of the lifting frame 31, after the composite film roll is dismounted from the winding shaft, the lifting claw 321 is driven by the lifting machine 325 and the lifting moving device 327 to be repeatedly grabbed onto the winding shaft 2, and the composite film is repeatedly wound on the winding shaft, and the winding machine is repeatedly unloaded, and the process is completed.

After the composite film roll is placed on the roll carrying table 421, one end of the winding shaft enters the groove block 414, the pressing shaft cylinder 411 drives the pressing block 412 to move downwards, one end of the winding shaft is fixed in the groove block 414, the supporting claw structure 332 of the roll supporting mechanism 33 is driven by the second pusher 338 to move to one side of the composite film roll, the supporting arm 3321 is driven by the lifting driver 3324 to lift the composite film roll upwards, at this time, the supporting claw structure 332 is driven by the second pusher 338 to move on the transverse frame 334, the composite film roll is extruded from the winding shaft by the supporting arm 3321 and falls onto the roll carrying table 421, after the composite film is completely extruded, the pressing block 412 is released from the winding shaft, the winding shaft is simultaneously taken away by the hook 321, the supporting arm 3321 of the supporting claw structure 332 is reset, the lifting device 42 descends the composite film to a position, the roll unloader 4 is driven by the moving device 43 to take the lifting device 42 for loading the composite film roll out of the lifting frame 31 along the direction of the track 45, after the composite film roll is taken away by the external logistics equipment, and the lifting device is reset once.

The specific working process of the battery diaphragm production line is as follows:

the diaphragm rolls are arranged on the first unreeling mechanism 11, the second unreeling mechanism 12, the third unreeling mechanism 13 and the fourth unreeling mechanism 14 through a row hanging device, the width adjusting driver 1114 is started to adjust the positions of the diaphragm rolls respectively, the positions of the diaphragm rolls are aligned, the layer for producing the composite film or the type of the composite diaphragm is selected according to actual conditions, the diaphragms on different unreeling mechanisms are led into the first composite roller group 114, the second composite roller group 115 or the third composite roller group 116 for compounding through the first split roller 133, the second split roller 134, the third split roller 144 and the fourth split roller 142, the diaphragms are compressed and formed into the composite film, the composite film is discharged to the outside of the diaphragm compounding machine 1 through the film discharging roller 118 and enters the reeling machine 2, the composite film is pulled through the whole roll power roller group 21 on the whole roll part 2a, the edge of the composite film is trimmed by the trimming device 23, the tension of the film is regulated by the tension detection device 22 to prevent the composite film from transiting and stretching, the composite film enters the winding part 2b through the upper part of the other side of the whole winding part 2a after the whole winding part 2a turns two turns, the winding roller group 26 pulls the composite film to enter the winding shaft on the feeding sliding table component 28, the winding chuck 288 is actively placed for winding, the pressure roller 271 of the winding roller component 27 follows the thickness change of the composite film roll during winding, pressure is applied to the composite film roll to prevent wrinkles and deflection during winding, the composite film is segmented by the segmentation component 293 before entering the winding shaft, the sliding plate 281 is withdrawn backwards to the side edge of the winding frame 25 after winding is completed, the winding shaft is moved to the outlet side by the first clamping fork 282, the winding shaft is unwound by the first clamping fork 282, the hanging winding mechanism 32 on the hanging machine 3 is moved to the upper part of the winding shaft, the hook claw 321 is driven by the lifter 325 to descend to the winding shaft part, the hook claw 321 grabs the winding shaft, the lifting moving device 327 drives the composite film roll to the upper part of the coil unloader 4, at this time, the coil carrying table 421 of the coil unloader 4 is driven by the scissor lifting mechanism 422 to ascend, the pressing shaft device 41 presses one end of the winding shaft, the coil lifting mechanism 32 unwinds the composite film roll, the support claw structure 332 on the support winding mechanism 33 moves to the lower part of the composite film roll, the support arm 3321 rotates to support the composite film roll, the support claw structure 332 moves along the axial direction of the winding shaft to unload the composite film to the coil carrying table 421, the support arm 3321 rotates to return after the coil unloading is completed, the coil lifting mechanism 32 clamps the winding shaft again, the pressing shaft device 41 unwinds the winding shaft, the coil carrying table 32 returns to the first clamp fork 282 again, the lifter 325 moves to the outside of the hanger 31 under the driving of the lifting moving device 327, the composite film roll is transported by external logistics equipment, and the coil carrying table 421 returns to the lower part of the hanger 31, and the coil unloading action is repeatedly completed.

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. The utility model provides a battery diaphragm production line, includes diaphragm compounding machine (1), rolling machine (2), lifting machine (3) and coil unloader (4), the one end of rolling machine (2) with diaphragm compounding machine (1) links to each other, lifting machine (3) set up the top of rolling machine (2) other end, coil unloader (4) set up the below of lifting machine (3), lifting machine (4) business turn over lifting machine (3), its characterized in that: the diaphragm compounding machine (1) comprises a plurality of unreeling mechanisms, a plurality of compounding roller sets and a frame, wherein the unreeling mechanisms are arranged on the outer side wall of the frame, the compounding roller sets are rotatably connected in the frame, and the unreeling mechanisms can respectively convey diaphragms to the compounding roller sets.

2. The battery separator production line according to claim 1, wherein:

still include first unwinding mechanism (11), second unwinding mechanism (12), third unwinding mechanism (13), fourth unwinding mechanism (14), first compound roller group (114), second compound roller group (115), third compound roller group (116), first reposition of redundant personnel roller (133), second reposition of redundant personnel roller (134), third reposition of redundant personnel roller (144) and fourth reposition of redundant personnel roller (142), first unwinding mechanism (11) second unwinding mechanism (12) third unwinding mechanism (13) and fourth unwinding mechanism (14) all set up on the lateral wall of frame, first compound roller group (114), second compound roller group (115) third compound roller group (116) rotate in proper order and connect in the frame, first reposition of redundant personnel roller (133) set up third unwinding mechanism (13) with between first compound roller group (114), second reposition of redundant personnel roller (134) set up third unwinding mechanism (13) with between compound roller group (115) and fourth unwinding mechanism (14) are in between compound roller group (116) third unwinding mechanism (115) and fourth unwinding mechanism (14) sets up between compound roller group (116).

3. The battery separator production line according to claim 2, wherein:

the diaphragm compounding machine (1) further comprises a wrinkle-removing roller set, the wrinkle-removing roller set is rotationally connected to the frame, and the wrinkle-removing roller set is arranged between the unreeling mechanism and the compounding roller set.

4. A battery separator production line according to claim 3, wherein:

the diaphragm compounding machine (1) further comprises a deviation rectifying mechanism, the deviation rectifying mechanism is arranged on one side of the unreeling mechanism, the deviation rectifying mechanism comprises a pushing arm, a pushing rod and a pushing head, one end of the pushing rod is arranged on the inner side wall of the frame, and the pushing head is arranged on one end of the pushing arm.

5. The battery separator production line according to claim 4, wherein:

unreeling mechanism includes left chuck (1111), left slip table (1112), unreels driver (1113), transfers wide driver (1114), left side and transfer wide lead screw (1115), right chuck (1116), right slip table (1117), right side and transfer wide lead screw (1118) and synchronizing lever (1119), left side slip table (1112) with right slip table (1117) relative sliding connection is in unreeling mechanism is last, left side chuck (1111) rotate to be connected left slip table (1112), right side chuck (1116) rotate to be connected right slip table (1117) are last, left side chuck (1111) with right side chuck (1116) are right side alignment, transfer wide driver (1113) are used for to the drive left slip table (1117) with right side transfer wide lead screw (1117) and remove simultaneously, transfer wide lead screw (1115) and left side slip table (1112) link to each other, right side transfer wide lead screw (1118) with right side slip table (1117) link to each other, right side transfer wide lead screw (1111118) with right side slip table (1117) link to each other, transfer wide lead screw (1117) and right side and transfer wide lead screw (1117) to link to each other.

6. The battery separator production line according to claim 5, wherein:

the multiple composite roller sets are arranged in the frame in a straight line, each composite roller set comprises a driving composite roller and a driven composite roller, the driving composite rollers are rotationally connected in the frame, and the driven composite rollers are telescopically connected above the driving composite rollers.

7. The battery separator production line according to claim 6, wherein:

the diaphragm compounding machine (1) further comprises a plurality of unwinding roller groups and tension roller groups, the unwinding roller groups are close to the unwinding mechanism and are arranged on the frame, each unwinding roller group comprises a groove roller (1121) and a flattening roller (1122), a spiral groove is formed in the surface of each groove roller (1121), the axial center of each groove roller (1121) is divided into a front part and a rear part, the rotation directions of the spiral grooves are opposite, the tension roller groups are arranged between the unwinding mechanism and the compounding roller groups, each tension roller group comprises a plurality of tension rollers, the tension rollers are arranged in an up-down staggered mode, the tension rollers can actively rotate, and the wrinkle removing roller groups are arranged on the feeding side of the compounding roller groups.

8. The battery separator production line according to claim 1, wherein:

The utility model provides a hoist (3) include gallows (31), hoist mechanism (32) and hold in palm and roll mechanism (33), hoist mechanism (32) sliding connection is in gallows (31), can follow the longitudinal movement of gallows (31), hold in the palm and roll mechanism (33) sliding connection is in on gallows (31), can follow the lateral shifting of gallows (31), hoist mechanism (32) are including colluding claw (321), hasp (322), hanger plate (323), guide bar (324), lift (325), lift power device (326), lift mobile device (327) and balladeur train (328), balladeur train (328) sliding connection is in on gallows (31), hanger plate (323) set up the below of balladeur train (328), lift (325) set up on balladeur train (328), lift (325) with hanger plate (323) link to each other, collude claw (321) set up in the below of hanger plate (323), hasp (322) rotate and connect on the opening of hanger plate (321), hold in the palm claw (335), hold in the palm (332) on the palm (332), hold in the palm (333) A third sliding rail (337) and a second pusher (338), the cross frame (334) is arranged across the hanger (31), the second sliding rail (336) and the third sliding rail (337) are arranged on two adjacent side walls of the cross frame (334), one end of the hanger rod (335) is connected to the bracket (331), the bracket (331) is slidably connected to the second sliding rail (336) and the third sliding rail (337), the second rack (333) and the second sliding rail (336) are arranged on the cross frame (334) side by side, the claw supporting structure (332) is arranged on the other end of the hanger rod (335), the second pusher (338) is used for pushing the bracket (331) to move, the claw supporting structure (332) comprises a supporting arm (3321), a first joint arm (3322), a second joint arm (3323), a lifting driver (24) and a stopping rod (3325), one end of the supporting arm (3321) is rotatably connected to the other end of the hanger rod (335) at the second joint arm (3322), the other end of the supporting arm (3323) is rotatably connected to the second joint arm (3323), the other end of the other end (3323) is rotatably connected to the second joint arm (3323), the other end is rotatably connected to the suspension rod (335), and the first joint arm (3322) can be coincident with the connecting line of the rotating points at the two ends of the second joint arm (3323).

9. The battery separator production line according to claim 8, wherein:

the winding machine (2) comprises a whole winding part (2 a) and a winding part (2 b), the whole winding part (2 a) is connected with the winding part (2 b), the whole winding part (2 a) comprises a whole winding power roller group (21), a tension detection device (22), a trimming device (23) and a whole winding guide roller group (24), the whole winding power roller group (21) comprises a traction driving roller (212), a traction driven roller (211) and a traction speed reduction motor (213), the traction driven roller (211) is connected above the traction driving roller (212) in a lifting manner, the traction speed reduction motor (213) is connected with the traction driving roller (212), the trimming device (23) is arranged on one side of the whole winding power roller group (21), the trimming device (23) comprises a trimming knife group (231), a knife rest (232), a knife rest (233) and a quick-release device (234), the trimming knife group (231) is arranged on the knife rest (232), the knife rest (232) is connected with the knife rest (233) in a sliding manner, the width of the trimming knife rest (233) is connected with the quick-release device (234) in the direction of the whole winding power roller group (21), the whole-roll guide roller set (24) is arranged below the tension detection device (22), the roll winding part (2 b) comprises a roll winding frame (25), a roll winding roller set (26), a roll winding press roller set (27), a roll feeding sliding table assembly (28) and a fly cutter assembly (29), the roll winding roller set (26) is rotationally connected to the roll winding frame (25), the roll winding press roller set (27) can rotate around the center of the roll winding roller set (26), the roll feeding sliding table assembly (28) is slidingly connected to the discharge end of the roll winding press roller set (27), and the fly cutter assembly (29) is arranged above the roll winding roller set (26).

10. The battery separator production line according to claim 9, wherein:

the coil unloader (4) comprises a pressing shaft device (41), a lifting device (42), a moving device (43), a guide wheel (44) and a track (45), wherein the pressing shaft device (41) is arranged on one side of the top of the lifting device (42), the moving device (43) is arranged below the lifting device (42), the guide wheel (44) is arranged at the bottom of the lifting device (42), the track (45) is arranged below the coil unloader (3), the guide wheel (44) is in rolling connection with the track (45), the pressing shaft device (41) comprises a pressing shaft cylinder (411), a pressing block (412), a vertical plate (413) and a groove block (414), the vertical plate (413) is arranged on one side of the top of the lifting device (42), the pressing block (412) is in sliding connection with the vertical plate (413), the groove block (414) is arranged on the top end face of the lifting device (42) and is positioned right below the pressing block (412), the pressing shaft (412) is used for pushing the pressing shaft (424) to move, the pressing block (422) comprises a hanging fork (422) and a lifting fork mechanism (422) which is arranged on the lifting fork mechanism (422) and a lifting fork mechanism (422) which is arranged on the top of the lifting device, the roll-up table (421) is provided with an anti-rolling groove, the shear fork lifting mechanism (422) comprises a first fork arm and a second fork arm which are connected in a cross rotation mode, the hanging lugs (424) are arranged on the upper portion of the first fork arm, and one end of the lifting cylinder (423) is connected to the hanging lugs (424) in a rotation mode.