CN217114499U - Lithium battery insulating film reel changing device - Google Patents

Abstract

The utility model provides a lithium battery insulation film reel change device, include: a frame; the reel changing assembly is horizontally arranged on the side wall of the rack and comprises a supporting disc, a first winding shaft, a second winding shaft and a rotating device, the supporting disc is vertically arranged on the side wall of the rack, the first winding shaft and the second winding shaft are parallel to each other, one end of the first winding shaft and one end of the second winding shaft are vertically connected with the outer side wall of the supporting disc, the other end of the first winding shaft and the other end of the second winding shaft extend horizontally, the first winding shaft and the second winding shaft are symmetrical around the axis of the supporting disc, and the rotating device is used for driving the supporting disc to rotate; and the lifting assembly is arranged between the reel changing assembly and the side wall of the rack and used for driving the reel changing assembly to move up and down in the vertical direction. The utility model discloses a lithium cell insulating film device of changing coils when changing insulating film coiled material, need not artifical transport from top to bottom, first rolling axle and second rolling axle can be accurate and the axle that rises aligns, change a roll fast, labour saving and time saving, work efficiency is high.

Description

Lithium battery insulating film reel changing device

Technical Field

The utility model relates to a lithium cell production facility technical field especially relates to a lithium cell insulating film roll change device.

Background

The square aluminum shell power battery has a process of wrapping an insulating film, the conventional square aluminum shell power battery adopts a manual roll changing mode in the process of wrapping the insulating film, so that the aim of reducing the insulation film roll changing waste rate is fulfilled by increasing the single roll diameter design of the insulating film, the weight of the single roll of the insulating film is increased by increasing the designed roll diameter of the insulating film, personnel carry and change the insulating film difficultly, and the insulating film roll changing device is designed to replace manual carrying and roll changing to solve the problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a lithium cell insulating film rewinder solves the problem that artifical change of lap intensity of labour is big, work efficiency is low.

The technical scheme of the utility model is realized like this:

the utility model provides a lithium battery insulation film reel change device, include:

a frame;

the reel changing assembly is horizontally arranged on the side wall of the rack and comprises a supporting disc, a first winding shaft, a second winding shaft and a rotating device, the supporting disc is vertically arranged on the side wall of the rack, the first winding shaft and the second winding shaft are parallel to each other, one end of the first winding shaft and one end of the second winding shaft are vertically connected with the outer side wall of the supporting disc, the other end of the first winding shaft and the other end of the second winding shaft extend horizontally, the first winding shaft and the second winding shaft are symmetrical around the axis of the supporting disc, and the rotating device is used for driving the supporting disc to rotate;

and the lifting assembly is arranged between the reel changing assembly and the side wall of the rack and used for driving the reel changing assembly to move up and down in the vertical direction.

On the basis of the above technical scheme, preferably, the roll changing assembly further comprises an adjusting device for adjusting the distance between the first winding shaft and the second winding shaft, the adjusting device comprises a first slider, a second slider, a first spur rack, a second spur rack, a first gear, a first telescopic element and a horizontal push rack, a first chute and a second chute are symmetrically arranged on the outer side wall of the supporting plate along the radial direction of the supporting plate, the first winding shaft is in sliding connection with the first chute through the first slider, the second winding shaft is in sliding connection with the second chute through the second slider, the first slider and the second slider are symmetrical relative to the axis of the supporting plate, the first spur rack and the second spur rack are arranged in parallel on the first chute and the second chute, the first gear is rotatably arranged between the same side of the first spur rack and the second spur rack and is respectively engaged and connected with one end of the first spur rack and one end of the second spur rack, the other ends of the first straight rack and the second supporting bar are respectively fixedly connected with the first winding shaft and the second winding shaft, the horizontal pushing rack is meshed with the first gear, the fixed end of the first telescopic element is fixedly arranged on the supporting disk, and the telescopic end of the first telescopic element is horizontally and fixedly connected with the horizontal pushing rack.

Further, it is preferable that one side of the first spur rack, which is far away from the first gear, is provided with a first limit wheel, the first limit wheel is in rolling connection with the side wall of the first spur rack, one side of the second spur rack, which is far away from the first gear, is provided with a second limit wheel, and the second limit wheel is in rolling connection with the side wall of the second spur rack.

On the basis of the technical scheme, preferably, still include the dress and roll up the device, the dress rolls up the device and includes the flexible component of second and promotes the dish, still the first loading board of fixedly connected with between first rolling axle and the first slider, promote the dish cover and establish on first rolling axle, the stiff end and the first loading board fixed connection of the flexible component of second, the flexible end and the promotion dish fixed connection of the flexible component of second.

Further, it is preferred, still including the device of unreeling, still fixedly connected with second loading board between second rolling axle and the second slider, the device of unreeling includes sharp module, lift cylinder and clamping jaw, the one end and the second loading board fixed connection of sharp module, other end level extend and be on a parallel with second rolling axle, and the length of sharp module is greater than the length of second rolling axle, and sharp module, first rolling axle and second rolling axle are located the coplanar, and the vertical fixed end that sets up at sharp module of removal of lift cylinder, the fixed bottom that sets up at the lift cylinder of clamping jaw.

Preferably, the guide holes are formed in the ends, far away from the supporting plate, of the first winding shaft and the second winding shaft.

Preferably, the outer side walls of the first winding shaft and the second winding shaft are provided with at least one arc-shaped groove along the axial direction, and a plurality of balls are linearly arranged in the arc-shaped grooves in a rolling manner.

Preferably, the rotating device comprises a fixed seat, a motor, a main gear and a second gear, the fixed seat is arranged on one side, away from the first winding shaft, of the supporting plate, the second gear is fixedly arranged on the central axis of the supporting plate, the motor is arranged in the fixed seat, and an output shaft of the motor is rotatably connected with the second gear through the main gear.

Preferably, the lifting assembly comprises a sliding rail, a third sliding block and a third telescopic element, the two sliding rails are arranged in parallel and are respectively vertically and fixedly arranged on the side wall of the rack, the rotating device is connected with the sliding rail in a sliding manner through the third sliding block, the fixed end of the third telescopic element is fixedly arranged at the top of the rack, and the telescopic end of the third telescopic element is vertically downward and fixedly connected with the third sliding block.

Preferably, a handrail is arranged on one side of the rack, and universal rollers are arranged at the bottom of the rack.

The utility model discloses following beneficial effect has for prior art:

(1) the utility model discloses a lithium battery insulation film rolls over device, through at supporting disk lateral wall along the first rolling axle of horizontal direction parallel arrangement and second rolling axle, first rolling axle and second rolling axle are around supporting disk axis symmetry simultaneously, when changing the insulating film coiled material, roll over the subassembly through the lifting unit drive and reciprocate in the frame, make the second rolling axle aim at the gas expansion axle that the diolame sent on the roll mechanism, slide the epaxial empty reel of gas expansion to the second rolling axle, through rotary device with first rolling axle and the rotatory exchange of second rolling axle, and make first rolling axle aim at the gas expansion axle, will load in advance at the epaxial insulating film coiled material of first rolling and slide the operation of changing a roll on the gas expansion axle. The utility model discloses a lithium battery insulation film reel changing device, when changing the insulation film coiled material, need not artifical transport from top to bottom, first rolling axle and second rolling axle can accurately align with the inflatable axle, change the book fast, labour saving and time saving, work efficiency is high;

(2) the adjusting device for adjusting the distance between the first winding shaft and the second winding shaft by arranging the reel changing assembly can be suitable for insulating film reel changing operation with different reel diameters, and is wider in application range;

(3) by arranging the coil loading device, after the first winding shaft is aligned with the air expansion shaft, the second telescopic element drives the pushing disc to translate along the first winding shaft, so that the insulating film coiled material can be easily sleeved on the air expansion shaft, the manual labor degree is reduced, and the working efficiency is improved;

(4) by arranging the unwinding device, when the second winding shaft is aligned to the air expansion shaft, the linear module drives the clamping jaw to translate, the lifting cylinder drives the clamping jaw to lift, an empty winding drum on the air expansion shaft is clamped, the empty winding drum is moved onto the second winding shaft, manual operation is replaced, the manual labor degree is further reduced, and the working efficiency is improved;

(5) through the guide holes formed in the ends, far away from the supporting plate, of the first winding shaft and the second winding shaft, horizontal guide positioning with the air expansion shaft can be accurately realized, and the coaxiality after butt joint is ensured;

(6) the lateral wall of first rolling axle and second rolling axle all is provided with an at least arc wall along its axial direction, is linear roll in the arc wall and is provided with a plurality of balls, sets up from this, can make the insulating film coiled material move more smoothly on first rolling axle, also can make empty reel move more smoothly on the second rolling axle.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a film wrapping and roll feeding mechanism in the prior art;

fig. 2 is a schematic perspective view of a lithium battery insulating film roll changing device disclosed in the present invention;

fig. 3 is a schematic structural diagram of an adjusting device disclosed by the present invention;

fig. 4 is a schematic plan view of the lithium battery insulating film roll changing device of the present invention;

the attached drawings are as follows:

1. a frame; 2. a roll change assembly; 21. a support disc; 22. a first winding shaft; 23. a second wind-up reel; 24. a rotating device; 3. a lifting assembly; 25. an adjustment device; 251. a first slider; 252. a second slider; 253. a first straight rack; 254. a second spur rack; 255. a first gear; 256. a first telescopic element; 257. horizontally pushing the rack; 211. a first chute; 212. a second chute; 258. a first limit wheel; 259. a second limiting wheel; 26. a roll loading device; 261. a second telescoping member; 262. pushing the disc; 213. a first bearing plate; 27. an unwinding device; 214. a second carrier plate; 271. a linear module; 272. a lifting cylinder; 273. a clamping jaw; s, guiding holes; H. an arc-shaped slot; G. a ball bearing; 241. a fixed seat; 242. a motor; 243. a main gear; 244. a second gear; 31. a slide rail; 32. a third slider; 33. a third telescopic element; 11. a handrail; 12. a universal roller; y, an insulating film; w, a film wrapping and roll feeding mechanism; x, inflatable shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

As shown in figure 1, with reference to figures 2-4, the embodiment of the utility model discloses a lithium battery insulating film reel changing device, including frame 1, reel changing assembly 2 and lifting unit 3.

The frame 1 is used as a mounting body of the reel changing assembly 2 and the lifting assembly 3, can be a part of equipment, and can also be an opposite walking frame, and can be butted with the film wrapping and reel feeding mechanism W through moving when in use.

And the roll changing assembly 2 is used for realizing the replacement of the insulating film Y coiled material on the film wrapping and roll feeding mechanism, specifically, the insulating film coiled material is sleeved on the air expansion shaft X, and when the insulating film is used up, the replacement can be realized through the roll changing assembly 2. Specifically, the reel change assembly 2 includes a supporting plate 21, a first winding shaft 22, a second winding shaft 23 and a rotating device 24.

Wherein, the supporting plate 21 is vertically arranged on the side wall of the frame 1 for supporting the first winding shaft 22 and the second winding shaft 23.

First rolling axle 22 and second rolling axle 23 are parallel to each other, and first rolling axle 22 and the one end of second rolling axle 23 are connected with the supporting disk 21 lateral wall is perpendicular, and the other end level extends. The first winding shaft 22 is used for sleeving a new insulating film coiled material, and the second winding shaft 23 is idle in an initial state and is used for butting with the air expansion shaft to transfer an empty reel on the air expansion shaft to the second winding shaft 23 in use.

The rotating device 24 is used for driving the supporting disc 21 to rotate, the first winding shaft 22 and the second winding shaft 23 are symmetrical around the axis of the supporting disc 21, and therefore the arrangement is achieved, after the second winding shaft 23 is in butt joint with the inflatable shaft, the rotating device 24 rotates 180 degrees, the first winding shaft 22 and the second winding shaft 23 can be exchanged, the first winding shaft 22 and the inflatable shaft can be accurately in butt joint, and the first winding shaft 22 is prevented from being adjusted again.

And the lifting component 3 is arranged between the reel changing component 2 and the side wall of the rack 1 and used for driving the reel changing component 2 to move up and down in the vertical direction.

By adopting the technical scheme, when the insulating film coiled material is replaced, the lifting assembly 3 drives the roll replacing assembly 2 to move up and down on the rack 1, the second winding shaft 23 is aligned to the air expansion shaft on the film coating and roll feeding mechanism, the empty winding drum on the air expansion shaft slides onto the second winding shaft 23, the first winding shaft 22 and the second winding shaft 23 are rotationally exchanged through the rotating device 24, the first winding shaft 22 is aligned to the air expansion shaft, and the insulating film coiled material which is loaded on the first winding shaft 22 in advance slides onto the air expansion shaft to perform roll replacing operation. The utility model discloses a lithium cell insulating film device of changing coils when changing insulating film coiled material, need not artifical transport from top to bottom, first rolling axle 22 and second rolling axle 23 can be accurate and the axle alignment that rises, change the book fast, labour saving and time saving, work efficiency is high.

Because the insulation films have different winding diameters, in order to enable the space between the first winding shaft 22 and the second winding shaft 23 to simultaneously meet the existence of an empty winding drum and the insulation film coiled material, the space between the first winding shaft 22 and the second winding shaft 23 needs to be adjusted, and operability is met. Therefore, the scheme adopted by the embodiment is as follows: the lap changing assembly 2 further comprises an adjusting device 25 for adjusting the distance between the first winding shaft 22 and the second winding shaft 23, the adjusting device 25 comprises a first slider 251, a second slider 252, a first straight rack 253, a second straight rack 254, a first gear 255, a first telescopic element 256 and a horizontal pushing rack 257, the outer side wall of the support plate 21 is symmetrically provided with a first chute 211 and a second chute 212 along the radial direction thereof, the first winding shaft 22 is slidably connected with the first chute 211 through the first slider 251, the second winding shaft 23 is slidably connected with the second chute 212 through the second slider 252, the first slider 211 and the second slider 252 are symmetrical relative to the axial center of the support plate 251 21, the first straight rack 253 and the second straight rack 254 are arranged in parallel on the same side of the first chute 211 and the second chute 212, the first gear 255 is rotatably arranged between the first straight rack 253 and the second straight rack 254 and is respectively engaged with one end of the first straight rack 253 and the second straight rack 254, the other ends of the first straight rack 253 and the second supporting bar are respectively fixedly connected with the first winding shaft 22 and the second winding shaft 23, the flat pushing rack 257 is meshed with the first gear 255, the fixed end of the first telescopic element 256 is fixedly arranged on the supporting plate 21, and the telescopic end of the first telescopic element is horizontally and fixedly connected with the flat pushing rack 257.

By adopting the above technical scheme, the first telescopic element 256 drives the horizontal pushing rack 257 to move linearly, so as to drive the first gear 255 to rotate, and when the first gear 255 rotates, the first spur rack 253 and the second spur rack 254 can be synchronously driven to move in opposite directions, so as to drive the first sliding block 251 and the second sliding block 252 to horizontally slide in the first sliding groove 211 and the second sliding groove 212, thereby realizing synchronous approaching or synchronous separation of the first winding shaft 22 and the second winding shaft 23. Therefore, the device can be suitable for the insulating film roll changing operation with different roll diameters, and has wider application range.

Preferably, a first limiting wheel 258 is arranged on one side of the first straight rack 253, which is far away from the first gear 255, the first limiting wheel 258 is in rolling connection with the side wall of the first straight rack 253, a second limiting wheel 259 is arranged on one side of the second straight rack 254, which is far away from the first gear 255, and the second limiting wheel 259 is in rolling connection with the side wall of the second straight rack 254. Through the arrangement of the first limit wheel 258 and the second limit wheel 259, the horizontal movement of the first straight rack 253 and the second rack can be ensured, the swing can be avoided, the smooth sliding of the first sliding block 251 in the first sliding groove 211 can be ensured, and the smooth sliding of the second sliding block 252 in the second sliding groove 212 can be ensured.

When a roll needs to be changed, after the first winding shaft 22 and the second winding shaft 23 are changed by the rotating device 24, after the first winding shaft 22 is butted with the inflatable shaft, the insulating film coiled material on the first winding shaft 22 needs to be pushed onto the inflatable shaft, for this reason, the roll loading device 26 is arranged in this embodiment, manual operation can be replaced, specifically, the roll loading device 26 comprises a second telescopic element 261 and a pushing disc 262, the first bearing plate 213 is fixedly connected between the first winding shaft 22 and the first slider 251, the pushing disc 262 is sleeved on the first winding shaft 22, the fixed end of the second telescopic element 261 is fixedly connected with the first bearing plate 213, and the telescopic end of the second telescopic element 261 is fixedly connected with the pushing disc 262.

By adopting the technical scheme, after the first winding shaft 22 aligns with the air expansion shaft, the second telescopic element 261 drives the pushing disc 262 to translate along the first winding shaft 22, so that the insulating film coiled material can be easily sleeved on the air expansion shaft, the manual labor degree is reduced, and the working efficiency is improved.

When the second winding shaft 23 is aligned with the inflatable shaft and an empty winding drum needs to be transferred to the second winding shaft 23, in order to replace manual operation, an unwinding device 27 is further provided in this embodiment, a second bearing plate 214 is further fixedly connected between the second winding shaft 23 and the second slider 252, the unwinding device 27 includes a linear module 271, a lifting cylinder 272 and a clamping jaw 273, one end of the linear module 271 is fixedly connected with the second bearing plate 214, the other end of the linear module 271 extends horizontally and is parallel to the second winding shaft 23, the length of the linear module 271 is greater than that of the second winding shaft 23, the linear module 271, the first winding shaft 22 and the second winding shaft 23 are located on the same plane, the lifting cylinder 272 is vertically and fixedly arranged at a moving end of the linear module 271, and the clamping jaw 273 is fixedly arranged at a bottom end of the lifting cylinder 272. By adopting the technical scheme, after the second winding shaft 23 is aligned to the inflatable shaft, the linear module 271 drives the clamping jaw 273 to translate, the lifting cylinder 272 drives the clamping jaw 273 to lift, the empty winding drum on the inflatable shaft is clamped, the empty winding drum is moved onto the second winding shaft 23, manual operation is replaced, the manual labor degree is further reduced, and the working efficiency is improved.

In this embodiment, the linear module 271 is a rodless cylinder or a synchronous belt linear sliding table.

Preferably, the first winding shaft 22 and the second winding shaft 23 have guide holes S at ends thereof far from the supporting plate 21. Can accurately realize carrying out horizontal guiding orientation with the inflatable shaft, guarantee the back axiality of butt joint.

Preferably, the outer side walls of the first winding shaft 22 and the second winding shaft 23 are provided with at least one arc-shaped groove H along the axial direction of the first winding shaft and the second winding shaft, and a plurality of balls G are linearly arranged in the arc-shaped grooves H in a rolling manner, so that the insulating film coiled material can move more smoothly on the first winding shaft 22 and the empty winding drum can move more smoothly on the second winding shaft 23.

Preferably, the rotating device 24 includes a fixed seat 241, a motor 242, a main gear 243 and a second gear 244, the fixed seat 241 is disposed on a side of the supporting plate 21 far from the first winding shaft 22, the second gear 244 is fixedly disposed at a central axis of the supporting plate 21, the motor 242 is installed in the fixed seat 241, and an output shaft of the motor 242 is rotationally connected with the second gear 244 through the main gear 243. Therefore, the main gear 243 is driven to rotate by the rotation of the motor 242, and the main gear 243 drives the second gear 244 to rotate, so as to drive the supporting plate 21 to rotate.

Preferably, the lifting assembly 3 includes a slide rail 31, a third slider 32 and a third telescopic element 33, the slide rail 31 is provided with two parallel rails, and the two parallel rails are respectively vertically and fixedly arranged on the side wall of the frame 1, the rotating device 24 is slidably connected with the slide rail 31 through the third slider 32, the fixed end of the third telescopic element 33 is fixedly arranged at the top of the frame 1, and the telescopic end of the third telescopic element is vertically downward and fixedly connected with the third slider 32. The third sliding block 32 is driven by the third telescopic element 33 to move up and down along the sliding rail 31, so as to drive the whole reel changing assembly 2 to move up and down.

Preferably, a handrail 11 is arranged on one side of the frame 1, and a universal roller 12 is arranged at the bottom of the frame 1. The whole machine frame 1 is conveniently pushed to move forwards through the handrails 11, and is conveniently moved through the universal rollers 12, so that the machine frame is conveniently butted with a film wrapping and roll feeding mechanism.

In the above embodiment, the first telescopic element 256, the second telescopic element 261 and the third telescopic element 33 are cylinders or oil cylinders or electric cylinders.

The utility model discloses a theory of operation is:

when the insulating film coil is replaced, the third telescopic element 33 drives the third sliding block 32 to move up and down along the sliding rail 31, so that the whole coil replacing assembly 2 is driven to move up and down, the second winding shaft 23 is aligned with the inflatable shaft on the film wrapping and coil feeding mechanism, the linear module 271 drives the clamping jaw 273 to translate, the lifting cylinder 272 drives the clamping jaw 273 to lift up and down, the empty coil on the inflatable shaft is clamped, the empty coil is moved onto the second winding shaft 23, the first winding shaft 22 and the second winding shaft 23 are rotationally exchanged through the rotating device 24, after the first winding shaft 22 is aligned with the inflatable shaft, the second telescopic element 261 drives the pushing disc 262 to translate along the first winding shaft 22, the insulating film coil loaded on the first winding shaft 22 can be easily sleeved on the inflatable shaft, and the insulating film coil replacing operation is completed.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A lithium battery insulating film rewinder is characterized by comprising:

a frame (1);

the coil changing assembly (2) is horizontally arranged on the side wall of the rack (1) and comprises a supporting plate (21), a first winding shaft (22), a second winding shaft (23) and a rotating device (24), the supporting plate (21) is vertically arranged on the side wall of the rack (1), the first winding shaft (22) and the second winding shaft (23) are parallel to each other, one end of the first winding shaft (22) and one end of the second winding shaft (23) are vertically connected with the outer side wall of the supporting plate (21), the other end of the first winding shaft (22) and the other end of the second winding shaft (23) extend horizontally, the first winding shaft (22) and the second winding shaft (23) are symmetrical around the axis of the supporting plate (21), and the rotating device (24) is used for driving the supporting plate (21) to rotate;

and the lifting component (3) is arranged between the reel changing component (2) and the side wall of the rack (1) and is used for driving the reel changing component (2) to move up and down in the vertical direction.

2. The lithium battery insulating film reel-up apparatus as claimed in claim 1, wherein: the roll changing assembly (2) further comprises an adjusting device (25) used for adjusting the distance between the first winding shaft (22) and the second winding shaft (23), the adjusting device (25) comprises a first sliding block (251), a second sliding block (252), a first straight rack (253), a second straight rack (254), a first gear (255), a first telescopic element (256) and a horizontal pushing rack (257), a first sliding groove (211) and a second sliding groove (212) are symmetrically formed in the outer side wall of the supporting plate (21) along the radial direction of the supporting plate, the first winding shaft (22) is in sliding connection with the first sliding groove (211) through the first sliding block (251), the second winding shaft (23) is in sliding connection with the second sliding groove (212) through the second sliding block (252), the first sliding block (251) and the second sliding block (252) are symmetrical relative to the axis of the supporting plate (21), the first straight rack (253) and the second straight rack (254) are arranged on the same side of the first sliding groove (211) and the second sliding groove (212) in parallel, the first gear (255) is rotatably arranged between the first straight rack (253) and the second straight rack (254) and is respectively meshed with one end of the first straight rack (253) and one end of the second straight rack (254), the other ends of the first straight rack (253) and the second supporting strip are respectively fixedly connected with the first winding shaft (22) and the second winding shaft (23), the horizontal pushing rack (257) is meshed with the first gear (255), the fixed end of the first telescopic element (256) is fixedly arranged on the supporting plate (21), and the telescopic end of the first telescopic element is horizontally and fixedly connected with the horizontal pushing rack (257).

3. The lithium battery insulating film reel-up apparatus as claimed in claim 2, wherein: one side of the first straight rack (253) far away from the first gear (255) is provided with a first limiting wheel (258), the first limiting wheel (258) is in rolling connection with the side wall of the first straight rack (253), one side of the second straight rack (254) far away from the first gear (255) is provided with a second limiting wheel (259), and the second limiting wheel (259) is in rolling connection with the side wall of the second straight rack (254).

4. The lithium battery insulating film reel-up apparatus as claimed in claim 2, wherein: still including dress package device (26), dress package device (26) include second telescopic element (261) and promote dish (262), still first loading board (213) of fixedly connected with between first rolling axle (22) and first slider (251), it establishes on first rolling axle (22) to promote driving disk (262), the stiff end and first loading board (213) fixed connection of second telescopic element (261), the flexible end and the driving disk (262) fixed connection of second telescopic element (261).

5. The lithium battery insulating film reel-up apparatus as claimed in claim 2, wherein: still including unrolling device (27), still fixedly connected with second loading board (214) between second rolling axle (23) and second slider (252), unrolling device (27) includes sharp module (271), lift cylinder (272) and clamping jaw (273), the one end and the second loading board (214) fixed connection of sharp module (271), other end level extend and be on a parallel with second rolling axle (23), and the length of sharp module (271) is greater than the length of second rolling axle (23), and sharp module (271), first rolling axle (22) and second rolling axle (23) are located the coplanar, and lift cylinder (272) is vertical fixed to be set up at the removal end of sharp module (271), and clamping jaw (273) are fixed to be set up the bottom at lift cylinder (272).

6. The lithium battery insulating film reel-up apparatus as claimed in claim 1, wherein: guiding holes (S) are formed in one ends, far away from the supporting disc (21), of the first winding shaft (22) and the second winding shaft (23).

7. The lithium battery insulating film reel-up apparatus as claimed in claim 1, wherein: the outer side walls of the first winding shaft (22) and the second winding shaft (23) are respectively provided with at least one arc-shaped groove (H) along the axial direction, and a plurality of balls (G) are linearly arranged in the arc-shaped grooves (H) in a rolling mode.

8. The lithium battery insulating film reel-up apparatus as claimed in claim 1, wherein: the rotating device (24) comprises a fixed seat (241), a motor (242), a main gear (243) and a second gear (244), the fixed seat (241) is arranged on one side, away from the first winding shaft (22), of the supporting plate (21), the second gear (244) is fixedly arranged on the central axis of the supporting plate (21), the motor (242) is installed in the fixed seat (241), and the output shaft of the motor (242) is rotatably connected with the second gear (244) through the main gear (243).

9. The lithium battery insulating film reel-up apparatus as claimed in claim 8, wherein: lifting unit (3) include slide rail (31), third slider (32) and third flexible component (33), slide rail (31) parallel arrangement has two, vertical fixed setting is on frame (1) lateral wall respectively, and rotary device (24) pass through third slider (32) and slide rail (31) sliding connection, and the stiff end of third flexible component (33) is fixed to be set up at frame (1) top, and its flexible end is vertical downwards and with third slider (32) fixed connection.

10. The lithium battery insulating film reel-up apparatus as claimed in claim 1, wherein: a handrail (11) is arranged on one side of the rack (1), and universal rollers (12) are arranged at the bottom of the rack (1).

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