CN113953577B

CN113953577B - Battery pole piece cutting mechanism

Info

Publication number: CN113953577B
Application number: CN202111245542.1A
Authority: CN
Inventors: 胡文; 代昊
Original assignee: Ningde Zhongneng Electronic Equipment Co ltd
Current assignee: Ningde Zhongneng Electronic Equipment Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-10-14
Anticipated expiration: 2041-10-26
Also published as: CN113953577A

Abstract

The invention relates to a battery pole piece slitting mechanism which comprises a rack, an upper cutter shaft, a lower cutter shaft, an upper cutter assembly and a lower cutter assembly, wherein the upper cutter shaft and the lower cutter shaft are horizontally arranged on the rack, the upper cutter assembly is arranged on the upper cutter shaft, the lower cutter assembly is arranged on the lower cutter shaft, an annular driving rope is transversely arranged on the lower cutter shaft, the top of the driving rope is connected with the lower cutter assembly, and the driving rope is driven to rotate by a power mechanism so as to drive the lower cutter assembly to move along the axial direction of the lower cutter shaft. The cutter is reasonable in design, the traditional sleeve structure is omitted, the structure is greatly simplified, the cost is reduced, the cutter is convenient to adjust left and right, and the operation is simple.

Description

Battery pole piece cutting mechanism

The technical field is as follows:

the invention relates to a battery pole piece splitting mechanism.

Background art:

the slitting knife is one of the most important parts of the battery pole piece slitting machine, and people always need the slitting knife to be convenient to adjust and stable in structure. However, the conventional slitting knife has the following problems: the upper cutter shaft and the lower cutter shaft are adjusted through sleeves to adapt to slitting of pole pieces with different specifications, but the cutter shafts are required to be detached for each adjustment, so that inconvenience is caused, the sleeves with different sizes are required to be machined frequently, and cost is greatly wasted; moreover, the sleeve is heavier in mass, so that the overall weight of the slitting knife becomes heavier.

The invention content is as follows:

the invention aims to solve the problems in the prior art, namely, the invention provides a battery pole piece splitting mechanism which is reasonable in design and convenient to adjust.

In order to achieve the purpose, the invention adopts the technical scheme that: a battery pole piece splitting mechanism comprises a rack, an upper cutter shaft and a lower cutter shaft which are horizontally arranged on the rack, an upper cutter assembly arranged on the upper cutter shaft, and a lower cutter assembly arranged on the lower cutter shaft, wherein an annular driving rope is transversely arranged on the lower cutter shaft, the top of the driving rope is connected with the lower cutter assembly, and the driving rope is driven by a power mechanism to rotate so as to drive the lower cutter assembly to move along the axial direction of the lower cutter shaft.

Furthermore, the power mechanism comprises a fixed pulley and a movable pulley which are respectively connected with the left end and the right end of the driving rope, the fixed pulley is rotatably arranged on the lower cutter shaft, and the middle part of the fixed pulley is connected with a driving shaft for driving the fixed pulley to rotate; the movable pulley is in sliding fit with the lower cutter shaft along the transverse direction.

Furthermore, the upper cutter assembly comprises at least one upper cutter sleeve which is sleeved on the upper cutter shaft in a sliding manner, an upper cutter is sleeved on the upper cutter sleeve, and the upper cutter sleeve is fixedly connected with the upper cutter shaft through an annular first tightener; the lower cutter assembly comprises at least one lower cutter sleeve which is sleeved on the lower cutter shaft in a sliding manner, a lower cutter which is matched with the upper cutter is sleeved on the lower cutter sleeve, the lower cutter sleeve is connected with the top of the driving rope, and the lower cutter sleeve is fixedly connected with the lower cutter shaft through an annular second clamping device.

Furthermore, the left end and the right end of the lower cutter shaft are respectively provided with a vertical through groove, the top and the bottom of the lower cutter shaft are respectively provided with a transverse sliding groove, and two ends of the transverse sliding groove are respectively communicated with the vertical through grooves; the fixed pulley and the movable pulley are respectively arranged in the vertical through grooves at the left end and the right end of the lower cutter shaft; the top and the bottom of driving rope are respectively accommodated in the horizontal sliding groove and can slide along the horizontal sliding groove.

Furthermore, longitudinal through holes which are beneficial to the penetration of a driving shaft are formed in the front side wall and the rear side wall of the vertical through groove at the left end of the lower cutter shaft, and an operation hole is formed in the front end face of the driving shaft; a long strip groove extending along the transverse direction is formed in the front side wall and the rear side wall of the vertical through groove in the right end of the lower cutter shaft, a moving shaft is fixed in the middle of the movable pulley, and the moving shaft is in sliding fit with the long strip groove; end covers are fixed on the left end face and the right end face of the lower cutter shaft respectively, a pair of adjusting bolts distributed in the front-back direction are connected to the end cover located at the right end of the lower cutter shaft in a threaded mode, and the adjusting bolts extend into the strip grooves and are used for being abutted to the moving shaft in the axial direction.

Further, the inside wall one end of lower knife pouch is equipped with the connection notch, the connection notch internal fixation has the connecting block, the lower extreme and the horizontal spout sliding fit of connecting block, the lower extreme of connecting block still are equipped with the horizontal through-hole that is in order to do benefit to the driving rope and run through, the top spiro union of horizontal through-hole has the tight set screw that is used for fixing the driving rope.

Furthermore, bearing seats driven by a vertical screw rod slide rail assembly to vertically lift are respectively arranged at the left end and the right end of the rack, and the left end and the right end of the upper cutter shaft are respectively installed on the bearing seats through bearings; and the screw rod of the vertical screw rod sliding rail assembly is driven to rotate by a worm and gear mechanism.

Furthermore, the bearing block comprises an upper bearing block and a lower bearing block which are vertically spliced through an inclined plane, the inclined planes of the upper bearing block and the lower bearing block are respectively provided with a semicircular bearing groove which is matched with the bearing, and the lower end of the upper bearing block is fixedly connected with the lower bearing block through a threaded connecting piece.

Further, the supporting rotating shaft is arranged in parallel above the upper cutter shaft, a cutter wiping groove is formed in each upper cutter, the top of each cutter wiping groove is connected with the alcohol conveying pipe, a wiping piece which is used for being in contact with the upper cutter is arranged inside each cutter wiping groove, a connecting hole which is used for being connected with the supporting rotating shaft in a rotating mode is formed in the lower end of each cutter wiping groove, a limiting protrusion extending transversely is arranged on the inner wall of the connecting hole, and a limiting clamping groove which is used for being matched with the limiting protrusion is formed in the front end of the outer side wall of the supporting rotating shaft.

Furthermore, the upper cutter shaft is sleeved with at least one pole piece supporting piece, the pole piece supporting piece comprises a plurality of supporting steel sheets which are distributed along the axial direction of the lower cutter shaft at intervals, and the plurality of supporting steel sheets are connected through a plurality of tension springs which are distributed annularly.

Compared with the prior art, the invention has the following effects: the cutter is reasonable in design, the traditional sleeve structure is omitted, the structure is greatly simplified, the cost is reduced, the cutter is convenient to adjust left and right, and the operation is simple.

Description of the drawings:

FIG. 1 is a schematic front view configuration of an embodiment of the present invention;

FIG. 2 is a first perspective view of an embodiment of the present invention;

FIG. 3 is a schematic perspective view of the second embodiment of the present invention;

FIG. 4 is a perspective view of an upper cutter assembly in an embodiment of the present invention;

FIG. 5 is a perspective view of a lower cutter assembly in an embodiment of the present invention;

FIG. 6 is a schematic cross-sectional front view of a lower cutter assembly in an embodiment of the invention;

FIG. 7 is a schematic view of the configuration of the drive cord in cooperation with the lower cutter sleeve in an embodiment of the present invention;

FIG. 8 is a schematic view of the engagement of the drive line with the connecting block in an embodiment of the present invention;

FIG. 9 is a schematic perspective view of a lower knife shaft according to an embodiment of the present invention;

FIG. 10 is a schematic perspective view of a vertical screw slide assembly according to an embodiment of the present invention;

FIG. 11 is a schematic perspective view of a wiping groove of a cutting blade in an embodiment of the present invention;

FIG. 12 is an enlarged schematic view at A in FIG. 3;

fig. 13 is an enlarged schematic view of B in fig. 3.

In the figure:

1-a frame; 2-mounting a cutter shaft; 3-lower the cutter shaft; 4-an upper cutter assembly; 5-lower cutter assembly; 6, mounting a knife sleeve; 7, feeding a cutter; 8-lower cutter sleeve; 9-lower cutter; 10-a drive rope; 11-a fixed pulley; 12-a movable pulley; 13-a drive shaft; 14-a first clasper; 15-a second clasper; 16-vertical through grooves; 17-a transverse chute; 18-an operation hole; 19-elongated grooves; 20-a moving axis; 21-end cap; 22-an adjusting bolt; 23-connecting blocks; 24-set screws; 25-a bearing seat; 26-vertical lead screw; 27-vertical slide rails; 28-a worm; 29-a worm gear; 30-driving a hand wheel; 31-upper bearing seat; 32-lower bearing seats; 33-a bearing; 34-supporting the rotating shaft; 35-a cutter wiping groove; 36-connecting hole; 37-a limit bump; 38-a limiting clamping groove; 39-threaded connections; 40-snap ring; 41-pole piece support; 42-supporting steel sheets; 43-tension spring.

The specific implementation mode is as follows:

the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

As shown in fig. 1 to 13, the battery pole piece splitting mechanism of the present invention includes a frame 1, an upper cutter shaft 2 and a lower cutter shaft 3 horizontally disposed on the frame 1 and parallel to each other, an upper cutter assembly 4 disposed on the upper cutter shaft 2, and a lower cutter assembly 5 disposed on the lower cutter shaft 3, wherein the upper cutter assembly 4 includes at least one upper cutter sleeve 6 slidably sleeved on the upper cutter shaft 2, and the upper cutter sleeve 6 is sleeved with an upper cutter 7; the lower cutter assembly 5 comprises at least one lower cutter sleeve 8 which is sleeved on the lower cutter shaft 3 in a sliding manner, and a lower cutter 9 which is matched with the upper cutter 7 is sleeved on the lower cutter sleeve 8; the lower cutter shaft 3 is transversely provided with a ring-shaped driving rope 10, the top of the driving rope 10 is connected with the lower cutter sleeve 8, the driving rope 10 is driven by a power mechanism to rotate, and when the driving rope 10 rotates, the driving rope 10 drives the lower cutter assembly 5 to move along the axial direction of the lower cutter shaft 3 so as to realize the left-right adjustment of the lower cutter; the left and right adjustment of the upper cutter can be realized only by moving the upper cutter sleeve 6. This cut mechanism has cancelled traditional sleeve structure, has not only simplified the structure greatly, and reduce cost makes things convenient for the cutter to control moreover and adjusts easy operation.

In this embodiment, the power mechanism includes a fixed pulley 11 and a movable pulley 12 respectively connected to the left and right ends of the driving rope 10, the fixed pulley 11 is rotatably mounted on the lower knife shaft 3, and a driving shaft 13 for driving the fixed pulley 11 to rotate is connected to the middle of the fixed pulley 11; the movable pulley 12 is in sliding fit with the lower cutter shaft 3 along the transverse direction. Because the movable pulley can move along the transverse direction, the tension of the driving rope can be adjusted

In this embodiment, the upper tool sleeve 6 is fixedly connected to the upper arbor 2 via an annular first fastener 14, and the lower tool sleeve 8 is fixedly connected to the lower arbor 3 via an annular second fastener 15. It should be noted that, the first clasper and the second clasper are both the prior art, and include two semicircular clasping rings, the two clasping rings are butted to form a ring shape, and the two clasping rings are connected through a bolt so as to clasp and fix the knife pouch and the knife shaft, thereby realizing the locking of the knife pouch.

In this embodiment, as shown in fig. 6, the left and right ends of the lower cutter shaft 8 are respectively provided with a vertical through groove 16, the top and the bottom of the lower cutter shaft 3 are respectively provided with a horizontal sliding groove 17, and two ends of the horizontal sliding groove 17 are respectively communicated with the vertical through grooves 16; the fixed pulley 11 and the movable pulley 12 are respectively vertically arranged in vertical through grooves 16 at the left end and the right end of the lower cutter shaft 3; the top and bottom of the driving rope 10 are respectively accommodated in the transverse sliding grooves 17 and can slide along the transverse sliding grooves 17. Because fixed pulley and movable pulley all set up in vertical logical inslot, so both ends holding about the driving rope also are in vertical logical inslot. Preferably, the driving rope is a steel wire rope.

In this embodiment, the vertical through-hole that the drive shaft 13 runs through is equipped with so as to be favorable to the front and back lateral wall of the vertical logical groove 16 of lower arbor 3 left end, and the preceding terminal surface of drive shaft 13 is equipped with hexagonal shape handle hole 18, acts on the handle hole through hexagonal spanner during the use, can rotate the drive shaft fast, and the drive shaft drives the fixed pulley and rotates, and the fixed pulley drives the driving rope rotation, and the driving rope passes through the lower cutter cover and drives down the cutter and remove.

In this embodiment, the front and rear side walls of the vertical through groove 16 at the right end of the lower cutter shaft 3 are provided with a strip groove 19 extending in the transverse direction, the middle part of the movable pulley 12 is fixed with a movable shaft 20, and the movable shaft 20 is in sliding fit with the strip groove 19; end covers 21 are respectively fixed on the left end face and the right end face of the lower cutter shaft 3, a pair of adjusting bolts 22 distributed front and back are screwed on the end cover 21 positioned at the right end of the lower cutter shaft 3, and the adjusting bolts 22 extend into the long grooves 19 and are used for being abutted to the moving shaft 20 in the axial direction. The position of the movable pulley is adjusted by the adjusting bolt so as to realize the tensioning adjustment of the driving rope.

In this embodiment, the inside wall one end of lower knife pouch 8 is equipped with the connection notch, the connection notch internal fixation has connecting block 23, the lower extreme and the horizontal spout 17 sliding fit of connecting block 23, the lower extreme of connecting block 23 still are equipped with so that do benefit to the horizontal through-hole that driving rope 10 runs through, the top spiro union of horizontal through-hole has the tight set screw 24 that is used for fixing driving rope 10. Preferably, the upper end of the connecting block 23 is fixedly connected with the lower cutter sleeve 8 through a fastener, the driving rope 10 is fixedly connected with the lower end of the connecting block 23 through a set screw 24, the lower cutter sleeve, the connecting block and the driving rope are connected into a whole, and the driving rope can drive the lower cutter sleeve to move when rotating.

In this embodiment, bearing seats 25 driven by a vertical screw rod and slide rail assembly to vertically lift are respectively arranged at the left end and the right end of the frame 1, and the left end and the right end of the upper cutter shaft 2 are respectively mounted on the bearing seats 25 through bearings 33; and the screw rod of the vertical screw rod sliding rail assembly is driven to rotate by a worm and gear mechanism. As shown in fig. 10, the vertical screw sliding rail assembly includes a vertical screw 26 and a vertical sliding rail 27, the vertical screw 26 and the vertical sliding rail 27 are both installed on the rack 1, the bearing seat 25 is fixedly connected to the sliding block on the vertical sliding rail 27, the vertical screw 26 is connected to the bearing seat 25, and the rotation of the vertical screw 26 is converted into the vertical movement of the bearing seat 25 along the vertical sliding rail.

In this embodiment, as shown in fig. 12, the worm and gear mechanism includes a worm 28 and a worm wheel 29 which are matched with each other, the worm wheel 29 is fixedly connected with the upper end of the vertical screw rod 26, one end of the worm 28 is connected with the driving mechanism, and the worm 28 drives the vertical screw rod 26 to rotate through the worm wheel 29 when rotating. Preferably, the driving mechanism may be a driving hand wheel 30, or may be a motor mechanism, i.e. the worm may be driven to rotate manually, or may be driven to rotate by a motor (electrically controlled). Preferably, in order to ensure the vertical adjustment precision of the upper cutter shaft, the worms at the left end and the right end of the rack are connected into a whole and driven to rotate by a driving mechanism, namely, one worm simultaneously drives two worm gears, so that the vertical screw rods at the left end and the right end are synchronously driven to rotate.

In this embodiment, as shown in fig. 10, the bearing seat 25 includes an upper bearing seat 31 and a lower bearing seat 32 which are vertically spliced through an inclined surface, the upper bearing seat 31 is in a right-angled triangle shape, the inclined surfaces of the upper bearing seat 31 and the lower bearing seat 32 are respectively provided with a semicircular bearing groove for being matched with the bearing 33, and the lower end of the upper bearing seat 31 is fixedly connected with the lower bearing seat 32 through a threaded connection part 39. By adopting the bearing seat with the split structure, the upper cutter shaft can be conveniently assembled and disassembled.

In this embodiment, a supporting rotating shaft 34 is disposed above the upper knife shaft 2 in parallel, a cutter wiping groove 35 is disposed above each upper cutter 7, the rear end of the cutter wiping groove 35 is rotatably connected to the supporting rotating shaft 34, the top of the cutter wiping groove 35 is connected to an alcohol delivery pipe (not shown in the figure), alcohol is delivered to the cutter wiping groove, a wiping member (not shown in the figure) for contacting with the upper cutter is disposed inside the cutter wiping groove 35, and the wiping member is soaked by alcohol and contacts with the upper cutter. Preferably, the wiping member is a sponge, cloth, or the like.

In this embodiment, as shown in fig. 13, a connecting hole 36 for rotatably connecting with the supporting rotating shaft 34 is disposed at a lower end of the cutter wiping groove 35, a limiting protrusion 37 extending in a transverse direction is disposed on an inner wall of the connecting hole 36, a limiting slot 38 for matching with the limiting protrusion 37 is disposed at a front end of an outer side wall of the supporting rotating shaft 34, when the cutter wiping groove 35 swings downwards around the supporting rotating shaft 34, and when the limiting protrusion 37 is clamped to the limiting slot 38, the cutter wiping groove 35 remains fixed and cannot swing downwards, so that the situation that the whole cutter wiping groove 35 is pressed on the upper cutter 7 to affect cutting is avoided, and at this time, a wiping piece in the cutter wiping groove contacts with the upper cutter. Preferably, the top in groove 35 is cleaned to the cutter is fixed with the snap ring 40 of arc form, and the snap ring is made by the panel beating, cleans groove 35 after upwards swinging, utilizes snap ring 40 card to establish on the worm when the cutter, realizes cleaning the fixed in groove to the cutter, is convenient for adjust the upper slitter on last arbor about.

In this embodiment, in order to support the pole piece, the upper sleeve of the lower knife shaft is provided with at least one pole piece support 41, the pole piece support 41 includes a plurality of support steel sheets 42 distributed along the axial direction of the lower knife shaft at intervals, and the plurality of support steel sheets 42 are connected with each other through a plurality of tension springs 43 distributed annularly.

In this embodiment, one end of each of the upper cutter shaft and the lower cutter shaft is connected with the motor through the coupler and is driven to rotate by the motor.

The specific implementation process comprises the following steps: the upper cutter 7 and the lower cutter 9 are two, and the working process is as follows: loosening the first tightener 14, moving the two upper cutters 7 left and right on the upper cutter shaft 2 to realize left-right adjustment, and screwing the first tightener 14 after adjusting the distance between the two upper cutters 7 so as to fix the upper cutter sleeve 6 on the upper cutter shaft 2; then, a driving shaft 13 in the middle of the fixed pulley 11 is rotated through an inner hexagonal wrench, the driving shaft 13 drives the driving rope 10 to rotate through the fixed pulley 11, and the driving rope 10 drives the two lower cutters 9 to synchronously move left and right through the connecting block 23 so as to realize left and right adjustment; when the distance between the upper cutter and the lower cutter needs to be adjusted, the worm gear mechanism drives the vertical screw rod 26 to rotate, the vertical screw rod 26 drives the bearing seat 25 to move up and down along the vertical slide rail 27, and the bearing seat 25 drives the upper cutter shaft 2 to move synchronously, so that the adjustment of the distance between the upper cutter and the lower cutter is completed. It should also be noted that the distance between the two lower cutters is adjusted beforehand by unscrewing the second clasper 15. After the adjustment is finished, the cutter wiping groove 35 is swung downwards to the limiting protrusion 37 to be clamped in the limiting clamping groove 38, the wiping part in the cutter wiping groove 35 is in contact with the upper cutter 7, and then the whole slitting mechanism is started to start slitting operation on the battery pole piece.

The invention has the advantages that: simple structure can online regulation about the epaxial cutter of upper and lower sword, and has changed adjustment mechanism, and the cost is reduced has cancelled the sleeve structure, and it is convenient to adjust, easy operation, solved about the branch cutter can not online regulation, rely on the sleeve in a large number, fly to cut to dismantle complicated scheduling problem, simplified the structure, greatly reduced the cost.

If the invention discloses or relates to parts or structures which are fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, terms used in any technical aspect of the present disclosure for indicating positional relationship or shape include, unless otherwise stated, states or shapes similar, analogous or approximate thereto.

Any part provided by the invention can be assembled by a plurality of independent components or can be manufactured by an integral forming process.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: modifications of the embodiments of the invention or equivalent substitutions for parts of the technical features are possible; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.

Claims

1. The utility model provides a battery pole piece cuts mechanism, includes that frame, level set up at the last arbor of frame and arbor down, set up at the last cutter unit spare of last arbor, set up the lower cutter unit spare of arbor under, its characterized in that: the lower cutter shaft is transversely provided with a ring-shaped driving rope, the top of the driving rope is connected with the lower cutter assembly, and the driving rope is driven by a power mechanism to rotate so as to drive the lower cutter assembly to move along the axial direction of the lower cutter shaft; the power mechanism comprises a fixed pulley and a movable pulley which are respectively connected with the left end and the right end of the driving rope, the fixed pulley is rotatably arranged on the lower cutter shaft, and the middle part of the fixed pulley is connected with a driving shaft for driving the fixed pulley to rotate; the movable pulley is in sliding fit with the lower cutter shaft along the transverse direction; bearing seats driven by a vertical lead screw sliding rail assembly to vertically lift are arranged at the left end and the right end of the rack respectively, and the left end and the right end of the upper cutter shaft are arranged on the bearing seats respectively through bearings; the screw rod of the vertical screw rod sliding rail assembly is driven to rotate by a worm and gear mechanism; the bearing block comprises an upper bearing block and a lower bearing block which are vertically spliced through an inclined plane, the inclined planes of the upper bearing block and the lower bearing block are respectively provided with a semicircular bearing groove used for being matched with a bearing, and the lower end of the upper bearing block is fixedly connected with the lower bearing block through a threaded connecting piece.

2. The battery pole piece slitting mechanism according to claim 1, characterized in that: the upper cutter assembly comprises at least one upper cutter sleeve which is sleeved on the upper cutter shaft in a sliding manner, an upper cutter is sleeved on the upper cutter sleeve, and the upper cutter sleeve is fixedly connected with the upper cutter shaft through an annular first tightener; the lower cutter assembly comprises at least one lower cutter sleeve which is sleeved on the lower cutter shaft in a sliding manner, a lower cutter which is matched with the upper cutter is sleeved on the lower cutter sleeve, the lower cutter sleeve is connected with the top of the driving rope, and the lower cutter sleeve is fixedly connected with the lower cutter shaft through an annular second tightener.

3. The battery pole piece splitting mechanism of claim 2, wherein: the left end and the right end of the lower cutter shaft are respectively provided with a vertical through groove, the top and the bottom of the lower cutter shaft are respectively provided with a transverse sliding groove, and two ends of the transverse sliding groove are respectively communicated with the vertical through grooves; the fixed pulley and the movable pulley are respectively arranged in vertical through grooves at the left end and the right end of the lower cutter shaft; the top and the bottom of driving rope are respectively accommodated in the horizontal sliding groove and can slide along the horizontal sliding groove.

4. The battery pole piece splitting mechanism of claim 3, wherein: the front side wall and the rear side wall of the vertical through groove at the left end of the lower cutter shaft are provided with longitudinal through holes which are convenient for the penetration of a driving shaft, and the front end surface of the driving shaft is provided with an operation hole; the front side wall and the rear side wall of the vertical through groove at the right end of the lower cutter shaft are provided with strip grooves extending along the transverse direction, the middle part of the movable pulley is fixed with a movable shaft, and the movable shaft is in sliding fit with the strip grooves; end covers are respectively fixed on the left end face and the right end face of the lower cutter shaft, a pair of adjusting bolts distributed in the front-back direction are screwed on the end cover positioned at the right end of the lower cutter shaft, and the adjusting bolts extend into the strip grooves and are used for being abutted to the movable shaft.

5. The battery pole piece splitting mechanism of claim 3, wherein: the inside wall one end of lower knife pouch is equipped with the connection notch, the connection notch internal fixation has the connecting block, the lower extreme and the horizontal spout sliding fit of connecting block, the lower extreme of connecting block still are equipped with the horizontal through-hole that is favorable to the driving rope to run through, the top spiro union of horizontal through-hole has the holding screw that is used for fixing the driving rope.

6. The battery pole piece splitting mechanism of claim 2, wherein: the upper portion of the upper cutter shaft is parallelly provided with a supporting rotating shaft, a cutter wiping groove is formed in each upper portion of each upper cutter, the top of each cutter wiping groove is connected with an alcohol conveying pipe, a wiping piece which is used for being in contact with the upper cutter is arranged inside each cutter wiping groove, a connecting hole which is used for being connected with the supporting rotating shaft in a rotating mode is formed in the lower end of each cutter wiping groove, a limiting protrusion extending transversely is arranged on the inner wall of the connecting hole, and a limiting clamping groove which is used for being matched with the limiting protrusion is formed in the front end of the outer side wall of the supporting rotating shaft.

7. The battery pole piece splitting mechanism of claim 1, wherein: the pole piece support piece comprises a plurality of support steel sheets which are distributed along the axial direction of the lower cutter shaft at intervals, and the support steel sheets are connected through a plurality of tension springs distributed in an annular mode.