CN213036948U

CN213036948U - Interval adjustable electricity core pole piece lift conveying mechanism

Info

Publication number: CN213036948U
Application number: CN202021221853.5U
Authority: CN
Inventors: 陈克炎
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-04-23
Anticipated expiration: 2030-06-28

Abstract

The utility model relates to a spacing-adjustable battery pole piece lifting and conveying mechanism, which comprises a driving motor, a plurality of upper transmission shafts, a plurality of lower transmission shafts, an adjusting mechanism and a plurality of conveyor belts, the upper transmission shafts and the lower transmission shafts are longitudinally arranged in parallel, the driving motor is in transmission connection with one of the upper transmission shafts, the plurality of adjusting mechanisms are arranged among the plurality of upper transmission shafts, the plurality of conveyor belts are respectively and longitudinally arranged at two ends of the upper transmission shafts and the lower transmission shafts, the upper transmission shafts and the lower transmission shafts are in transmission connection with the adjusting mechanisms through the conveyor belts, and the conveyor belts are provided with clamping plates at intervals, the pallet is provided with a pallet for bearing the battery cell pole piece, the utility model has novel structural design, can transfer a plurality of pole pieces simultaneously, the efficiency matched with the die-cutting machine is achieved, the conveying efficiency is high, and the laminating efficiency of the battery pole piece laminating machine is improved.

Description

Interval adjustable electricity core pole piece lift conveying mechanism

Technical Field

The utility model relates to a battery electricity core production technical field indicates an interval adjustable electric core pole piece lift conveying mechanism especially.

Background

The battery core of the lithium ion battery is generally in a laminated type, namely positive plates, diaphragms and negative plates are arranged in a Z-shaped laminated mode, when lamination is carried out, the positive plates and the negative plates processed in a die cutting machine are alternately conveyed to a positive lamination station and a negative lamination station through a manipulator, the diaphragms are arranged in the middle of the positive lamination station and the negative lamination station, the end heads of the diaphragms are tightly pressed on a lamination workbench, the lamination workbench can move left and right between the positive lamination station and the negative lamination station to bear the positive plates and the negative plates, and the diaphragms separate the positive plates and the negative plates in a Z shape in the process of bearing the positive plates and the negative plates until the lamination of the whole battery.

Because the battery pole pieces are staggered and stacked one by one during lamination, the manipulator only transfers one battery pole piece at a time, and the working efficiency is low. Meanwhile, the manipulator has manufacturing errors and accumulated errors, and the pole pieces are stressed and deformed in the grabbing process, so that the alignment precision between the pole pieces of the final battery cell is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an interval adjustable electric core pole piece lift conveying mechanism that work efficiency is high.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides an interval adjustable electric core pole piece lift conveying mechanism, includes driving motor, a plurality of last transmission shaft, a plurality of underdrive axle, adjustment mechanism and a plurality of conveyer belt, go up transmission shaft and the vertical parallel arrangement of underdrive axle, driving motor is connected with the transmission of one of them last transmission shaft, a plurality of adjustment mechanism establishes between a plurality of last transmission shaft, a plurality of the conveyer belt vertically establishes the both ends at last transmission shaft and underdrive axle respectively, goes up transmission shaft, underdrive axle and adjustment mechanism and passes through the conveyer belt transmission and be connected, interval distribution has the cardboard on the conveyer belt, be equipped with the layer board that is used for bearing electric core pole piece in the cardboard.

Preferably, both ends of the upper transmission shaft and the lower transmission shaft are respectively provided with a transmission wheel.

Preferably, the adjusting mechanism comprises an adjusting plate and an adjusting wheel, and the adjusting wheel moves up and down on the adjusting plate. Can be adjusted manually or by motor drive.

Preferably, the upper transmission shaft comprises an upper fixed shaft and an upper floating shaft, the upper fixed shaft and the upper floating shaft are parallel to each other, the upper fixed shaft is fixedly arranged, and the upper floating shaft is movably arranged.

Preferably, the lower transmission shaft comprises a lower fixed shaft and a lower floating shaft, the lower fixed shaft and the lower floating shaft are parallel to each other, the upper fixed shaft is fixedly arranged below the upper fixed shaft, and the lower floating shaft is movably arranged below the upper floating shaft.

Preferably, the conveying belt can adopt a chain, a synchronous belt, a flat belt or a plate chain and the like.

The beneficial effects of the utility model reside in that: the utility model is applied to a battery pole piece lamination machine, has novel structural design, the conveyor belt is vertically driven, a plurality of clamping plates are arranged on the conveyor belt and used for assembling a plurality of supporting plates, the supporting plate in the ascending direction of the conveyor belt is used for receiving a battery pole piece and then is moved to the descending direction of the conveyor belt for lamination treatment, a plurality of pole pieces can be simultaneously transferred to achieve the efficiency matched with a die cutting machine, the conveying efficiency is high, the lamination efficiency of the battery pole piece lamination machine is improved,

the distance between the inner side and the outer side of the conveying belt can be adjusted by the adjusting mechanism, so that supporting plates with different sizes can be assembled, battery pole pieces with different specifications can be moved, and the application range is enlarged.

Drawings

Fig. 1 is a front view of embodiment 1.

Fig. 2 is an enlarged view of fig. 1 at a.

Fig. 3 is an enlarged view of fig. 1 at B.

Fig. 4 is a perspective view of embodiment 1.

Fig. 5 is a perspective view of the battery cell production apparatus.

Fig. 6 is a front view of the cell production apparatus.

Fig. 7 is a perspective view of the diaphragm conveying mechanism.

Fig. 8 is a rear perspective view of the diaphragm transport mechanism.

Figure 9 is a front view of the septum delivery mechanism.

Figure 10 is a side view of a septum delivery mechanism.

Fig. 11 is a top view of a pallet.

Figure 12 is a schematic view of the diaphragm feed mechanism coupled to the lamination mechanism.

Fig. 13 is an enlarged view at C of fig. 12.

Fig. 14 is a perspective view of the battery cell removing mechanism.

Fig. 15 is a front view of the cell removal mechanism.

Fig. 16 is a schematic perspective view of the die cutting machine of the present invention.

Fig. 17 is a schematic plan view of the die cutting machine of the present invention.

Description of reference numerals: 1. a work table; 11. a material pressing frame; 111. a second upper pressing claw; 2. a mounting frame; 3. a diaphragm conveying mechanism; 31. an unwinding mechanism; 32. a lifting storage mechanism; 33. a swing material storage mechanism; 34. a deviation-rectifying sensor; 35. a first roller shaft; 36. a second roller shaft; 37. a third roller shaft; 38. a first roller; 39. a second roller; 4. a lamination mechanism; 41. a lamination drive mechanism; a bump 411; 42 the supporting plate homing mechanism; 421. a convex column; 43. a lifting conveying mechanism; 431. an upper transmission shaft; 432. a lower transmission shaft; 433. a driving wheel; 434. a conveyor belt; 435. a drive motor; 436. an adjustment mechanism; 4361. an adjustment wheel; 4362. an adjusting plate; 437. clamping a plate; 44. a support plate; 441, a card slot; 442. a clamping hole; 443. a limiting groove; 45. a positive plate lamination mechanism; 46. a negative plate lamination mechanism; 47. a limiting rod; 5. a battery cell taking-out mechanism; 51. a base; 511. a slide plate; 52. a gripping mechanism; 521. a fixed seat; 522. a lifting drive mechanism; 523. a first upper pressing claw; 53. a carrier plate; 54. a material pressing frame; 541. a second upper pressing claw; 6. a positioning mechanism; 61. a pole piece side positioning plate; 62. a front and rear positioner; 7. a battery core lamination station; 8. a positive plate die-cutting machine; 9. a negative plate die-cutting machine; 10. a diaphragm cutting mechanism; 20. and an air blowing mechanism.

Detailed Description

Example 1

Referring to fig. 1-17, the present invention relates to a spacing-adjustable battery pole piece lifting and conveying mechanism, which includes a driving motor 435, an upper transmission shaft 431, a lower transmission shaft 432, an adjusting mechanism 436, a conveyor belt 434 and a limiting rod 47, wherein two upper transmission shafts 431 are disposed above a lamination driving mechanism 41 in parallel, two lower transmission shafts 432 are disposed below a support plate homing mechanism 42 in parallel, two lower transmission shafts 432 are disposed in a workbench, the driving motor 435 is in transmission connection with the inner upper transmission shaft 431, two ends of the upper transmission shaft 431 and the lower transmission shaft 432 are respectively provided with a transmission wheel 433, the adjusting mechanism 436 is disposed between the two upper transmission shafts 431, the adjusting mechanism 436 includes an adjusting plate 4362 and an adjusting wheel 4361, the adjusting wheel 4361 moves up and down on the adjusting plate 4362, the adjusting wheel 4361 can be manually adjusted or adjusted by being driven by a motor, the transmission wheel 433 and the adjusting wheel 4361 on the same side are in transmission connection through the transmission belt 434, the transmission belt 434 rotates longitudinally, a plurality of clamping plates 437 are distributed on the transmission belt 434 at intervals, movable supporting plates 44 are arranged in the clamping plates 437, clamping grooves 441, clamping holes 442 and limiting grooves 443 are formed in the supporting plates 44, the limiting rods 47 are arranged on the workbench 1, the distance between the inner side and the outer side of the transmission belt 434 is adjusted by changing the positions of the adjusting wheels 4361, when the adjusting wheels 4361 ascend, the upper transmission wheel 433 on the outer side is tensioned outwards to increase the distance between the inner side and the outer side, otherwise, the distance between the inner side and the outer side is reduced, and therefore, the pole pieces with different sizes.

Preferably, the conveying belt 434 may be a chain, a timing belt, a flat belt, a plate chain, or the like.

An electric core production device applying the interval-adjustable electric core pole piece lifting conveying mechanism comprises a workbench 1, a diaphragm conveying mechanism 3, a lamination mechanism 4 and an electric core taking-out mechanism 5, wherein the electric core taking-out mechanism 5 is arranged on the workbench 1, a mounting frame 2 is arranged on the workbench 1, the diaphragm conveying mechanism 3 is arranged on the mounting frame 2, two clamping mechanisms of the electric core taking-out mechanism 5 are respectively arranged at the front side and the rear side of the diaphragm conveying mechanism 3, two lamination mechanisms 4 are respectively arranged at the left side and the right side of the diaphragm conveying mechanism 3 and respectively comprise a positive pole piece conveying mechanism 45 and a negative pole piece lamination mechanism 46, an electric core lamination station 7 is arranged between the two lamination mechanisms 4, the diaphragm conveying mechanism 3 conveys an isolating film to the electric core lamination station 7, the positive pole piece lamination mechanism 45 is correspondingly matched with a positive pole piece die-cutting machine 8, the positive pole piece die cutting machine 8 conveys a processed positive pole piece into the positive, positive plate lamination mechanism 45 transfers the positive plate to electric core lamination station 7, negative plate lamination mechanism 46 corresponds the cooperation with negative plate cross cutting machine 9, negative plate cross cutting machine 9 is transferred the negative pole piece of processing in negative plate lamination mechanism 46, negative plate lamination mechanism 45 transfers the negative plate to electric core lamination station 7, positive plate and negative plate are crisscross to be piled up, the barrier film receives positive plate lamination mechanism 45 and negative plate lamination mechanism 46's promotion respectively and controls folding formation "Z" shape, keep apart positive plate and negative plate, form electric core, electric core taking out mechanism 5 takes out the fashioned electric core and transfers next process, positive plate cross cutting machine 8 is the existing cross cutting machine on the market with negative plate cross cutting machine 9.

Preferably, the left side and the right side of the battery core lamination station 7 are further provided with a diaphragm cutting mechanism 10 and a blowing mechanism 20 respectively, after the battery core is laminated with a preset number of pole piece layers, the diaphragm cutting mechanism 10 cuts off the battery core and a diaphragm belt of a material roll, the diaphragm can float down under the action of gravity after being cut off due to the fact that the diaphragm is soft, the blowing mechanism blows the diaphragm, and when a second battery core taking-out mechanism enters, the diaphragm falls on the top of the second battery core taking-out mechanism.

As shown in fig. 7-10, the diaphragm conveying mechanism 3 includes an unwinding mechanism 31, a lifting storage mechanism 32, a swinging storage mechanism 33, a deviation-correcting sensor 34, a first roller shaft 35, a second roller shaft 36, a third roller shaft 37, a first roller 38 and a second roller 39, the first roller 38 and the second roller 39 are unidirectional rollers, the unreeling mechanism 31, the lifting storage mechanism 32, the swinging storage mechanism 33 and the deviation-correcting sensor 34 are respectively arranged on the mounting rack 2, the first roll shaft 35 and the second roll shaft 36 are arranged between the lifting storage mechanism 32 and the swinging storage mechanism 33, the third roller shaft 37 is arranged below the lifting storage mechanism 32, the two first rollers 38 are arranged below the lifting storage mechanism 32 and the two first rollers 38 are abutted, the two second rollers 39 are arranged below the first rollers 38 and the two second rollers 39 are abutted, and the material roll is placed on the unwinding mechanism 31.

Unwinding mechanism 31 includes the blowing roller and unreels the motor, the blowing roller is rotatable to be established on mounting bracket 2, it is connected with the blowing roller transmission to unreel the motor, the barrier film material of having placed on the blowing roller is rolled up.

The lifting material storage mechanism 32 comprises a first deviation rectifying motor and a lifting plate, the lifting plate moves in a lifting mode on the mounting rack 2 through a sliding rail, the first deviation rectifying motor is connected with the lifting plate, and rollers are arranged on the lifting plate.

The swing material storage mechanism 33 comprises a second deviation rectifying motor and a swing arm, the upper end of the swing arm is movably connected to the mounting frame 2, the second deviation rectifying motor is in transmission connection with the swing arm, and a first roller and a second roller are arranged on the swing arm.

The isolating membrane belt of the material roll sequentially bypasses a first roller wheel of the swing material storage mechanism 33, a first roller shaft 35, a second roller wheel of the swing material storage mechanism 33, a second roller shaft 36, a third roller shaft 37 and rollers of the lifting material storage mechanism 32, passes through a first roller 38 and a second roller shaft 39, is arranged at a battery cell lamination station 7 between a positive plate lamination mechanism 45 and a negative plate lamination mechanism 46, and is deflected by the deflection-correcting sensor 34 and is deflected by the lifting material storage mechanism 32 and the swing material storage mechanism 33.

Lamination mechanism 4 includes lamination actuating mechanism 41, layer board playback mechanism 42, lift conveying mechanism 43 and gag lever post 47, lamination actuating mechanism 41 is parallel to be established in layer board playback mechanism 42 top, lamination actuating mechanism 41 is the conveyer belt structure with layer board playback mechanism 42, be equipped with lug 411 on lamination actuating mechanism 41, be equipped with projection 421 on the layer board playback mechanism 42, lift conveying mechanism 43 establishes in the front and back both sides of lamination actuating mechanism 41 and layer board playback mechanism 42, gag lever post 47 is established on workstation 1.

The positive plate lamination mechanism 45 and the negative plate lamination mechanism 46 operate in opposite directions, for example, the conveyor belt 434 of the positive plate lamination mechanism 45 rotates clockwise, and the conveyor belt 434 of the negative plate lamination mechanism 46 rotates counterclockwise.

The pole piece is placed on the support plate 44, when the support plate 44 is clamped on the clamping plate 437 on the outer side of the conveying belt 434, the driving motor 435 drives the conveying belt 434 to rotate through the transmission shaft and the driving wheel 433, the support plate 44 rises along with the conveying belt 434, when the clamping groove 441 of the support plate 44 is correspondingly clamped with the projection 411 of the lamination driving mechanism 41, the lamination driving mechanism 41 pushes the support plate 44 to move towards the middle (i.e. to move towards the cell lamination station), the pole piece moves to the cell lamination station 7 along with the support plate 44, at this time, the support plate 44 is clamped on the clamping plate 437 on the inner side of the conveying belt 434 and descends along with the conveying belt 434, the limiting rod 47 is arranged in the limiting groove 443 of the support plate 44 in a penetrating manner, when the pole piece descends to the clamping hole 442 of the support plate 44 to be correspondingly clamped with the boss 421 of the support plate homing mechanism, therefore, the reciprocating cycle work is realized, the pole pieces are blocked by the limiting rod 47 and pressed in the isolating membrane, the positive pole pieces and the negative pole pieces are respectively sent to the battery cell laminating station 7 by the positive pole piece laminating mechanism 45 and the negative pole piece laminating mechanism 46 and are stacked in a crossed mode, and the isolating membrane is pushed to form a Z-shaped folding shape to isolate the positive pole pieces and the negative pole pieces.

As shown in fig. 14-15, the battery cell removing mechanism includes a driving mechanism, a base 51, two clamping mechanisms 52 and a material pressing frame 54, a sliding rail is disposed on the base 51, a sliding plate is slidably disposed on the sliding rail, the two clamping mechanisms 52 are respectively disposed at two ends of the sliding plate, the material pressing frame 54 is disposed in the middle of the sliding plate, the driving mechanism is in transmission connection with the sliding plate, the clamping mechanism 52 includes a fixing seat 521 and a lifting driving mechanism 5222, the fixing seat 521 is disposed on the sliding plate, the lifting driving mechanism 5222 is disposed in the fixing seat 521, the lifting driving mechanism 5222 is in transmission connection with a support plate, the lifting driving mechanism 522 includes a screw rod and a lifting driving motor, the screw rod is longitudinally and rotatably disposed on the fixing seat 51, the lifting driving motor is in transmission connection with the screw rod, a screw rod nut is disposed on the screw rod, the screw rod nut is, the screw nut and the screw are matched to drive the carrier plate 53 to move up and down, the top of the fixed seat 51 is provided with a first upper pressing claw 54, the middle of the workbench 1 is provided with a material pressing frame 54, and the tops of two sides of the material pressing frame 54 corresponding to the two fixed seats 51 are respectively provided with a second upper pressing claw 541.

The driving mechanism drives the sliding plate to move, one clamping mechanism 52 on the sliding plate moves to the cell lamination 7, the lifting driving mechanism 522 drives the support plate 53 to ascend to a preset height, after the support plate 44 is drawn away, the pole piece and the diaphragm are placed on the support plate 53, when the preset number of layers of pole pieces are stacked, the diaphragm cutting mechanism cuts off the diaphragm belt, the air blowing mechanism blows up the diaphragm belt, the clamping mechanism 52 clamps the cell through the support plate 53 and the first upper pressing claw 54, the driving mechanism drives the clamping mechanism 52 to move outwards to move the cell to the next process, meanwhile, the other clamping mechanism 52 moves inwards to the cell lamination to prepare for receiving the cell, and therefore the cell can be taken out circularly and uninterruptedly.

Preferably, the positioning mechanism 6 further comprises a positioning mechanism 6, the positioning mechanism 6 comprises a pole piece side positioning plate 61 and front and rear positioners 62, the pole piece side positioning plate 61 is arranged between the outer side and the inner side of the conveying belt 434, a gap is formed between the pole piece side positioning plate 61 and the lamination driving mechanism 41 and between the pole piece side positioning plate and the supporting plate homing mechanism 42, so that the supporting plate 44 can move conveniently, and the front and rear positioners 62 are arranged on the front and rear sides of the outer conveying belt.

When the pole piece is placed on the support plate 44, the front and rear positions of the pole piece are fixed by the front and rear positioning devices 62, the pole piece side positioning plate 61 performs primary positioning on the pole piece in the left-right direction, and when the rear support plate 44 rises to the position of the lamination driving mechanism 41, the projection 411 performs positioning on the pole piece in the left-right direction, namely the projection 411 is matched with the pole piece side positioning plate 61 to realize positioning of the pole piece in the left-right direction.

A preparation method of a battery cell comprises the following steps:

firstly, a diaphragm conveying mechanism pulls an isolation diaphragm belt between two lifting conveying mechanisms;

step two, feeding: the positive plate laminating mechanism is connected to the rear of the positive plate die-cutting machine, the negative plate laminating mechanism is connected to the rear of the negative plate die-cutting machine, the positive plate die-cutting machine transfers the processed positive plate to the positive plate laminating mechanism through a conveying belt, a lifting conveying mechanism of the positive plate laminating mechanism collects the positive plate in the feeding direction, and a lifting conveying mechanism of the negative plate laminating mechanism collects the negative plate in the feeding direction;

step three, laminating: after positive and negative pole pieces are collected to a certain number (a certain height is formed when a conveying belt rises), a lamination driving mechanism of a positive pole piece lamination mechanism transversely moves a support plate bearing the positive pole pieces to the blanking direction of a lifting conveying mechanism, a lamination driving mechanism of a negative pole piece lamination mechanism transversely moves a support plate bearing the negative pole pieces to the blanking direction of the lifting conveying mechanism, so that the positive pole pieces and the negative pole pieces are stacked in a staggered mode, in the transverse moving process of the support plate, an isolating membrane is pushed by the support plate to move left and right and is folded to form a Z-shaped folding shape, and the positive pole pieces and the negative pole pieces are isolated and;

step four, collecting the plate: the positive and negative pole pieces which are stacked in a staggered mode reach a battery cell lamination station along with the blanking direction of the lifting conveying mechanism, the supporting plate homing mechanism transfers the supporting plate in the blanking direction of the lifting conveying mechanism to the feeding direction of the lifting conveying mechanism, the pole pieces are limited by the limiting rods and are left in the isolating membrane, the pole pieces are separated from the supporting plate at the moment, the pole pieces are stacked on the battery cell lamination station under the action of gravity, and a sandwich structure of a diaphragm, a positive pole piece, a diaphragm, a negative pole piece and a diaphragm is formed at the moment (the sequence of the positive and negative pole pieces is changed according to;

step five, repeating the steps from the step one to the step four until a preset number of layers of positive plates and negative plates are stacked in the isolating membrane, cutting the membrane by a membrane cutting mechanism to complete the stacking of the electric core, wherein the membrane can float down under the action of gravity after being cut off due to the fact that the membrane is soft, and blowing the membrane by a blowing mechanism to enable the membrane to fall above a second electric core taking-out mechanism when the second electric core taking-out mechanism enters;

and step six, the battery cell taking-out mechanism clamps and transfers the battery cell in the step five to the next procedure.

In the third step, the pole piece is placed on the support plate 44 outside the conveyor belt 434, the conveyor belt 434 rotates, the support plate 44 rises along with the pole piece and is clamped with the lamination driving mechanism 41, the lamination driving mechanism 41 drives the support plate 44 to move towards the cell lamination station 7, the support plate 44 drives the isolation film to move, fold and clamp the isolation film on the clamping plate 437 inside the conveyor belt 434, the support plate 44 descends along with the conveyor belt 434 inside and is clamped with the support plate homing mechanism 42, the support plate homing mechanism 42 drives the support plate 44 to move outwards, the support plate 44 is separated from the isolation film and is clamped on the clamping plate 437 of the conveyor belt 434 outside, and the pole piece is limited by the limiting rod 47 and is left.

Positive plate cross cutting machine and negative pole piece cross cutting machine continue to export the monolithic just, the negative pole piece, positive plate lamination mechanism connects at positive plate cross cutting machine rear, negative pole piece lamination mechanism connects at negative pole piece cross cutting machine rear, connect the conveyer belt between cross cutting machine and lamination mechanism are put, realize that the pole piece gathers materials automatically through cross cutting machine cooperation automatic lamination mechanism, the high-efficient operation of automatic lamination, overcome current artifical pay-off, the low material loading rate and the defect of high intensity of labour of material loading, pole piece autoloading after the cross cutting has been realized, automatic feeding to the automatic purpose of carrying of electric core lamination station, reduce equipment area, practice thrift the production space, effectively reduce the production input cost, improve lamination efficiency, shorten the activity duration, realize the cross cutting, material loading, the modern automated production requirement of lamination integration. The device has the characteristics of scientific structure, ingenious design, economy, practicality, safety, reliability, high production efficiency and strong equipment performance. Therefore, the novel electric heating furnace is a product with equal superior technical, practical and economic properties.

The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.

Claims

1. The utility model provides an interval adjustable electric core pole piece lift conveying mechanism, includes driving motor, a plurality of last transmission shaft, a plurality of underdrive axle, adjustment mechanism and a plurality of conveyer belts, go up transmission shaft and the vertical parallel arrangement of underdrive axle, driving motor is connected its characterized in that with the transmission of one of them last transmission shaft: the adjusting mechanisms are arranged among the upper transmission shafts, the conveyor belts are longitudinally arranged at two ends of the upper transmission shafts and the lower transmission shafts respectively, the upper transmission shafts, the lower transmission shafts and the adjusting mechanisms are in transmission connection through the conveyor belts, clamping plates are distributed on the conveyor belts at intervals, and supporting plates used for bearing battery core pole pieces are arranged in the clamping plates.

2. The spacing-adjustable battery pole piece lifting and conveying mechanism of claim 1, characterized in that: and two ends of the upper transmission shaft and the lower transmission shaft are respectively provided with a transmission wheel.

3. The spacing-adjustable battery pole piece lifting and conveying mechanism of claim 1, characterized in that: the adjusting mechanism comprises an adjusting plate and an adjusting wheel, and the adjusting wheel moves up and down on the adjusting plate.

4. The spacing-adjustable battery pole piece lifting and conveying mechanism of claim 1, characterized in that: the upper transmission shaft comprises an upper fixed shaft and an upper floating shaft, the upper fixed shaft and the upper floating shaft are parallel to each other, the upper fixed shaft is fixedly arranged, and the upper floating shaft is movably arranged.

5. The spacing-adjustable battery pole piece lifting and conveying mechanism of claim 4, characterized in that: the lower transmission shaft comprises a lower fixing shaft and a lower floating shaft, the lower fixing shaft and the lower floating shaft are parallel to each other, the upper fixing shaft is fixedly arranged below the upper fixing shaft, and the lower floating shaft is movably arranged below the upper floating shaft.

6. The spacing-adjustable battery pole piece lifting and conveying mechanism of claim 1, characterized in that: the conveying belt can adopt a chain or a synchronous belt or a flat belt.