CN220259083U - Tab calendering device and pole piece roll-in system - Google Patents

Abstract

The utility model relates to the technical field of pole piece production equipment, and discloses a pole lug rolling device and a pole piece rolling system. The tab rolling device comprises working rolls and rolling rolls which are oppositely arranged; the rolling roller is movably connected to the rotating shaft through a swing arm, and can be driven by the rolling driving piece to swing around the axis of the rotating shaft to be close to the working roller; and a supporting roller is arranged on one side of the working roller, which is away from the calendaring roller. The tab rolling device disclosed by the utility model can be used for rolling the tab before rolling the pole piece. The pole piece rolling system comprises a pole piece rolling group and the pole lug rolling device, wherein the pole lug rolling device is arranged on the feeding side of the pole piece rolling group. According to the pole piece rolling system, the pole lug rolling device is arranged on the feeding side of the pole piece rolling group, so that the pole lugs are rolled before pole piece rolling, the pole lugs are extended, and the breakage rate of pole piece rolling can be reduced.

Description

Tab calendering device and pole piece roll-in system

Technical Field

The utility model relates to the technical field of pole piece production equipment, in particular to a pole lug rolling device and a pole piece rolling system.

Background

Rolling is an important process in pole piece production, and a press roller is adopted to roll and shape the pole piece. However, in roll equipment, high positive electrode segment banding rate has always plagued each cell manufacturer, and its limiting factors are mainly high ductility and foil properties caused by the pole piece process. Along with the improvement of the energy density of the battery, the improvement of the expansion rate of the pole piece is unavoidable due to the fact that the rolling compaction is increased, meanwhile, the high-strength and high-expansion foil is high in cost and high in processing difficulty, and the pole piece is also a bank for limiting the reduction of the breakage rate.

Disclosure of Invention

The utility model aims to solve the problem of high pole piece roll breakage rate in the existing roll production of pole pieces of lithium batteries, and provides a pole lug calendaring device. The tab rolling device can be applied to pole piece rolling production, and pole piece rolling treatment is carried out on pole pieces before rolling, so that the breakage rate of pole piece rolling is reduced.

The utility model further aims at providing a pole piece rolling system. According to the pole piece rolling system, the pole lug rolling device is arranged on the feeding side of the pole piece rolling group, so that the breakage rate of pole piece rolling can be reduced in pole piece rolling production.

The aim of the utility model is achieved by the following technical scheme.

A pole lug calendaring device comprises a working roller and a calendaring roller which are oppositely arranged; the rolling roller is movably connected to the rotating shaft through a swing arm, and can be driven by the rolling driving piece to swing around the axis of the rotating shaft to be close to the working roller; one side of the working roll, which is far away from the calendaring roll, is provided with a supporting roll, and the supporting roll is in butt support with the working roll.

As a preferable implementation mode of the tab rolling device, the rolling driving piece comprises a hydraulic oil cylinder, and the output end of the rolling driving piece is tightly propped against the swing arm to drive the rolling roller to be close to the working roller.

As a preferable embodiment of the tab rolling device of the present utility model, the tab rolling device is provided with a lateral adjustment mechanism capable of performing lateral adjustment in the axial direction of the rolling roller; the transverse adjusting mechanism comprises a sliding seat and a sliding rail extending along the axial direction, wherein the sliding seat is arranged on the sliding rail in a sliding manner, the sliding seat is connected with the swing arm, and the sliding seat drives the swing arm and the calendaring roller to move and adjust along the axial direction when sliding along the axial direction on the sliding rail.

As a further preferable embodiment of the tab rolling device of the present utility model, an adjusting rack extending in the axial direction is provided; and the sliding seat is connected with an adjusting gear, the adjusting gear is meshed with the adjusting rack, the adjusting gear is connected with an adjusting handle, and the adjusting handle can be operated to drive the adjusting gear to rotate.

In a preferred embodiment of the tab rolling device according to any one of the above embodiments, the working rolls are provided with adjusting rolls on the feed side and the discharge side in the advancing direction of the material tape.

As a preferred embodiment of the tab rolling device of the present utility model, in any one of the tab rolling devices described above, a first tension swing roller is provided on the feed side of the work roller along the advancing direction of the material tape; and/or a second tension swing roller is arranged on the discharging side of the working roller along the advancing direction of the material belt.

As a further preferable embodiment of the tab rolling device of the utility model, a first separation roller set is arranged on the feeding side of the tab rolling device, and the first separation roller set comprises a first driving steel roller and a first glue pressing roller which are matched with each other.

The pole piece rolling system comprises a pole piece rolling group and a pole lug rolling device, wherein the pole lug rolling device is any one of the pole lug rolling devices; the pole lug rolling device is arranged on the feeding side of the pole piece rolling group along the advancing direction of the material belt; the pole piece roll-in group includes the first compression roller and the second compression roller of relative setting.

As the preferable implementation mode of the pole piece rolling system, a front pole lug flattening mechanism is arranged between the pole piece rolling group and the pole lug rolling device, the front pole lug flattening mechanism comprises a second separation roller group and a third tension swing roller arranged between the second separation roller group and the pole piece rolling group, and the second separation roller group comprises a second driving steel roller and a second glue pressing roller which are mutually matched.

In a preferred embodiment of the pole piece rolling system according to any one of the foregoing embodiments, the discharge side of the pole piece rolling group is provided with a rear tab flattening mechanism, the rear tab flattening mechanism includes a third separating roller group and a fourth tension swing roller disposed between the third separating roller group and the pole piece rolling group, and the third separating roller group includes a third driving steel roller and a third glue roller that are mutually matched.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

according to the tab rolling device, the rolling roller is movably connected to the rotating shaft through the swing arm, so that the rolling roller can swing around the axis of the rotating shaft through the swing arm to be close to the working roller, and tab rolling is performed. The calendaring roller is arranged in a swinging arm mode, the rotating shaft and the driving piece part can be installed in a separated mode, and the situation that the calendaring roller is deviated due to stress deformation of the rotating shaft can be effectively avoided.

Moreover, a transverse adjusting mechanism is arranged, so that the position of the calendaring roller can be adjusted in the axial direction. The transverse adjusting mechanism adopts a gear rack to control and adjust in a matched mode, and the position adjusting precision of the calendaring roller is improved.

According to the pole piece rolling system, the pole lug rolling device is arranged on the feeding side of the pole piece rolling group, so that the pole lugs are rolled before pole piece rolling, the pole lugs are extended, the edge stress of the pole lugs is released, the tension used for flattening the pole pieces before and after rolling can be reduced, and the breakage rate of the pole piece rolling is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a tab rolling device according to the present utility model in an embodiment;

FIGS. 2 and 3 are schematic perspective views of the calender assembly operatively connected to the calender roll at different viewing angles;

FIG. 4 is a schematic side view of a calendaring assembly;

fig. 5 is a schematic structural diagram of a pole piece rolling system according to the present utility model in an embodiment.

The drawings are marked: 1-tab calendering device, 10-first frame, 11-working roll, 12-calendering roll, 13-swing arm, 14-rotating shaft, 15-supporting roll, 16-calendering driving piece, 17-adjusting mechanism, 171-base, 172-sliding seat, 173-sliding rail, 174-adjusting gear, 175-adjusting rack, 176-adjusting handle, 18-adjusting roll, 19-passing roll, 110-first tension swing roll, 111-first tension detection roll, 112-second tension swing roll, 113-second tension detection roll, 114-first driving steel roll, 115-first glue press roll, 2-front tab flattening mechanism, 20-second frame, 21-second driving steel roller, 22-second glue press roller, 23-third tension swing roller, 24-third tension detection roller, 25-first general roller, 3-pole piece roll set, 30-third frame, 31-first press roller, 32-second press roller, 33-second general roller, 4-rear tab flattening mechanism, 40-fourth frame, 41-third driving steel roller, 42-third glue press roller, 43-fourth tension swing roller, 44-fourth tension detection roller, 45-third general roller, 5-pole piece material belt.

Detailed Description

The technical scheme of the present utility model is described in further detail below with reference to specific examples and drawings, but the scope and embodiments of the present utility model are not limited thereto.

In the description of the specific embodiments, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "axial", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, and "first", "second", "third", etc., are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the structures or elements to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the utility model, but rather as indicating or suggesting relative importance.

Unless specifically stated or limited otherwise, the terms "mounted," "configured," "connected," "secured," and the like should be construed broadly, as they may be either fixedly connected, detachably connected, or integrally formed; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Example 1

Referring to fig. 1, a tab rolling device 1 of the present utility model includes a work roll 11 and a rolling roll 12 disposed on a first frame 10. The work rolls 11 are disposed opposite the calender rolls 12, such as left and right opposite.

The rolling roller 12 is movably connected to the rotating shaft 14 through a swing arm 13, and can be driven by a rolling driving piece 16 to swing around the axis of the rotating shaft 14 to be close to the working roller 11. Specifically, the swing arm 13 is an L-shaped or L-shaped-like swing arm, one end of the swing arm 13 is movably connected to the rotating shaft 14, and the calendaring roller 12 is movably connected to the other end of the swing arm 13; the calendaring driving piece 16 is in transmission connection with the swing arm 13, and drives the calendaring roller 12 to swing close to the working roller 11 by driving the swing arm 13 to swing. The calendaring drive 16 is optionally, but not limited to, a hydraulic ram, in some preferred embodiments, the calendaring drive 16 is a hydraulic ram having a telescoping drive output that is in abutting engagement with the swing arm 13 to urge the calendaring roller 12 toward and against the work roller 11 when extended forward, providing a rolling force between the work roller 11 and the calendaring roller 12 to roll extend the tab through the gap therebetween, and the swing arm 13 will swing back and move the calendaring roller 12 away from the work roller 11 when retracted.

The working roll 11 is a driving roll in working, and can rotate under the drive of an external power driving piece, the rolling roll 12 is movably connected on the swing arm 13 and is a driven roll in working, and when the rolling roll 12 approaches and abuts against the working roll 11, the rolling roll 12 can be driven by friction of the working roll 11 to rotate, so that the electrode lugs penetrating through the gap between the working roll 11 and the rolling roll 12 are rolled.

Further, a support roller 15 is provided on the side of the work roller 11 facing away from the calender roller 12, and the support roller 15 abuts against and supports the work roller 11, for example, the support roller 15 is provided on the left side of the work roller 11. When the tab rolling operation is performed, the rolling roller 12 is driven by the rolling driving member 16 to abut against the working roller 11, and the supporting roller 15 provides a supporting force opposite to the abutting acting force of the rolling roller 12 to the working roller 11, so that the working roller 11 is prevented from being pressed and bent, and the tab rolling is ensured to be smoothly performed.

In an alternative embodiment, the work roll 11 is an axially continuous roll; the two calendaring rollers 12 include two calendaring rollers 12 are respectively and movably connected on the same rotating shaft 14 through a swing arm 13, and the two calendaring rollers 12 are distributed in the axial direction, specifically, the two calendaring rollers are distributed corresponding to two lugs at two ends of the pole piece material belt 5 in the width direction, so that the two lugs at two ends are correspondingly calendared respectively in working.

In a preferred embodiment, along the travelling direction of the pole piece material belt 5, a first tension swing roller 110 is arranged on the feeding side of the working roller 11, the pole piece material belt 5 passes through the first tension swing roller 110 and then enters a gap between the working roller 11 and the calendaring roller 12, and the first tension swing roller 110 can perform tension adjustment on the pole piece material belt 5 entering the pole ear calendaring station through swinging. Also, a position sensor may be provided on the first tension swing arm 110 to detect the position of the first tension swing arm 110.

Further, a first tension detecting roller 111 is arranged between the first tension swinging roller 110 and the working roller 11, the pole piece material belt 5 passes through the first tension swinging roller 110 and then passes through the first tension detecting roller 111 to enter a gap between the working roller 11 and the calendaring roller 12, and the first tension detecting roller 111 can detect the tension of the fed pole piece material belt 5 and can be matched with the first tension swinging roller 110 to maintain stable tension of the pole piece material belt 5 through PLC closed-loop control.

In another preferred embodiment, along the travelling direction of the pole piece material belt 5, the discharging side of the working roller 11 may be further provided with a second tension swing roller 112, the pole piece material belt 5 passes through the second tension swing roller 112 after passing out from the gap between the working roller 11 and the calendaring roller 12, and the second tension swing roller 112 can perform tension adjustment on the pole piece material belt 5 after pole ear calendaring through swinging. Also, a position sensor may be provided on the second tension swing arm 112 to detect the position of the second tension swing arm 112.

Further, a second tension detecting roller 113 is arranged between the second tension swinging roller 112 and the working roller 11, the pole piece material belt 5 passes through the second tension detecting roller 112 after passing through the second tension detecting roller 113, the second tension detecting roller 113 can detect the tension of the pole piece material belt 5 discharged from the gap between the working roller 11 and the calendaring roller 12, and the pole piece material belt 5 can be matched with the second tension swinging roller 113 and kept under stable tension through PLC closed loop control.

The tab rolling device 1 is further provided with a first separation roller group, which is specifically provided on the feed side of the first tension swing roller 110. The first separating roller set includes a first driving steel roller 114 and a first glue pressing roller 115, where the first driving steel roller 114 and the first glue pressing roller 115 are oppositely disposed, and vertically oppositely disposed. When the pole piece material belt 5 enters the pole lug calendaring device, the pole piece material belt 5 passes through the first separating roller set first, the first glue pressing roller 115 presses the pole piece material belt 5 on the first driving steel roller 114 and is driven by the first driving steel roller 114 to move and feed, and the tension between calendaring and unreeling is separated, so that tension adjustment is facilitated.

In addition, in the advancing direction of the material strip, the feeding side and the discharging side of the working roll 11 are provided with adjusting rolls 18, for example, the adjusting roll 18 on the feeding side is specifically disposed between the feeding side of the working roll 11 and the first tension detecting roll 111, and the adjusting roll 18 on the discharging side is specifically disposed between the discharging side of the working roll 11 and the second tension detecting roll 113, so that the pole piece material strip 5 entering and exiting the gap between the working roll 11 and the calendaring roll 12 can have a wrap angle and an adjustable wrap angle.

And, a plurality of passing rollers 19 may be provided according to the need to guide and adjust the travelling direction of the pole piece material belt 5, for example, one passing roller 19 may be provided between the first tension swing roller 110 and the first tension detection roller 111, between the second tension swing roller 112 and the second tension detection roller 113, respectively, to guide and feed the pole piece material belt 5 therebetween, and two passing rollers 19 may be provided on the discharge side of the second tension swing roller 112 in sequence along the travelling direction of the pole piece material belt 5, to guide and discharge the pole piece material belt 5 after pole ear compression to the next process.

Example two

The tab rolling device 1 of the present embodiment is similar to the first embodiment, further, referring to fig. 2 to 4, the tab rolling device 1 of the present embodiment is provided with a lateral adjustment mechanism 17, which can adjust the rolling roller 12 in the lateral direction along the axial direction, so as to adaptively adjust the axial position of the rolling roller 12 according to the different sizes of the pole piece material strips 5, so that the rolling roller 12 can align with the tab on the pole piece material strips 5, thereby realizing accurate rolling of the tab of the pole piece material strips 5.

Specifically, the lateral adjustment mechanism 17 includes a sliding seat 172 and a sliding rail 173, wherein the sliding rail 173 is disposed on the base 171 and the sliding rail 173 has a length extending along an axial direction, and in some alternative embodiments, the calendaring driving member 16 may be mounted on the base 171, and the sliding seat 172 is slidably disposed on the sliding rail 173. And, the sliding seat 172 is connected with the swing arm 13, and when the sliding seat 172 slides axially on the sliding rail 173, the swing arm 13 is driven to slide and move axially synchronously, and then the calendaring roller 12 connected with the swing arm 13 is driven to move and adjust axially, so that the axial position adjustment of the calendaring roller 12 is realized.

In a further preferred embodiment, the lateral adjustment mechanism 17 is further provided with an adjustment rack 175 and an adjustment gear 174 to achieve a precise adjustment of the axial position of the calender roll 12. Specifically, the adjusting rack 175 has an axially extending length, the adjusting rack 175 may be specifically mounted on the base 171, and the adjusting gear 174 is connected to the sliding seat 172 and can rotate relative to the sliding seat 172, and when the adjusting gear 174 moves axially, the adjusting gear 174 can drive the sliding seat 172 to move synchronously, and the adjusting gear 174 is meshed with the adjusting rack 175. When the position is adjusted, the adjusting gear 174 is driven to rotate by external force, and the rotating adjusting gear 174 moves axially along the meshed adjusting rack 175, so as to drive the sliding seat 172 to move axially, and further drive the calendaring roller 12 connected with the sliding seat 172 to move axially to realize axial position adjustment. The adjusting gear 174 is engaged with the adjusting rack 175, so that the axial position adjusting stroke of the calender roll 12 can be precisely equal to the stroke corresponding to each grid tooth, thereby realizing fine adjustment of the axial position of the calender roll 12 with high adjusting precision.

In another preferred embodiment, the adjusting gear 174 is connected with an adjusting handle 176, and the adjusting handle 176 can be manually rotated to drive the adjusting gear 174 to rotate, so that accurate adjustment and control of the axial position of the calendaring roller 12 are achieved, and the operation is convenient and reliable.

Example III

The pole piece rolling system of the utility model, please refer to fig. 5, comprises a pole piece rolling set 3 and a pole ear rolling device 1. The pole piece roll pressing group 3 comprises a first press roll 31 and a second press roll 32 which are arranged on a third frame 30, the first press roll 31 and the second press roll 32 are oppositely arranged up and down, the first press roll 31 and the second press roll 32 are axially continuous rolls, the axial extension length is larger than the width of the pole piece material belt 5, and the pole piece material belt 5 which passes through a gap between the first press roll 31 and the second press roll 32 can be rolled when mutually abutted. The tab rolling device 1 is the tab rolling device 1 of the first embodiment or the second embodiment; moreover, in the advancing direction of the material tape, the tab rolling device 1 is provided on the feed side of the pole piece roll stack 3.

When the pole piece is rolled, the pole piece material belt 5 can be rolled by the pole lug rolling device 1 before entering the pole piece rolling group 3 for rolling, so that the pole lug is stretched, the edge stress of the pole lug is released, the tension used for flattening the pole piece before and after rolling can be reduced, and the belt breakage rate of the pole piece rolling is reduced.

In a further preferred embodiment, a front tab flattening mechanism 2 is arranged between the pole piece rolling group 3 and the tab rolling device 1, so that tabs of the pole piece material belt 5 entering the pole piece before rolling after tab rolling are flattened, tab wrinkling is avoided, and rolling quality of the pole piece is improved. Specifically, the front tab flattening mechanism 2 comprises a second separation roller set and a third tension swing roller 23, wherein the second separation roller set and the third tension swing roller are arranged on the second frame 20 in sequence along the feeding direction of the pole piece material belt 5, and the second separation roller set comprises a second driving steel roller 21 and a second glue pressing roller 22 which are matched with each other.

The pole piece material belt 5 sequentially passes through the second separation roller set and the third tension swing roller 23 and then enters the pole piece roller set 3, and the third tension swing roller 23 can carry out tension adjustment on the pole piece material belt 5 entering the pole lug calendaring station through swing. Also, a position sensor may be provided on the third tension swing roller 23 to detect the position of the third tension swing roller 23. And the second driving steel roller 21 and the second glue pressing roller 22 are oppositely arranged, and are vertically oppositely arranged. When the pole piece material belt 5 enters the front lug flattening mechanism 2, the pole piece material belt 5 passes through the second separating roller set first, the second glue pressing roller 22 presses the pole piece material belt 5 on the second driving steel roller 21 and is driven by the second driving steel roller 21 to move and feed, and the tension between calendaring and unreeling is separated, so that tension adjustment is facilitated.

Further, a third tension detection roller 24 is arranged between the discharging side of the third tension swing roller 23 and the pole piece roll-in group 3, the pole piece material belt 5 passes through the third tension swing roller 23 and then passes through the third tension detection roller 24 to enter a gap between two pressing rollers of the pole piece roll-in group 3, the third tension detection roller 24 can detect the tension of the fed pole piece material belt 5, and can be matched with the third tension swing roller 23 and maintain the stable tension of the pole piece material belt 5 through PLC closed-loop control.

In addition, a plurality of general rollers may be disposed between the third tension swing roller 23 and the pole piece roll set 3 as needed to guide the traveling direction of the pole piece material belt 5, such as a first general roller 25 disposed between the third tension swing roller 23 and the third tension detecting roller 24 to guide and feed the tension-adjusted pole piece material belt 5 therebetween, and a second general roller 33 disposed between the third tension detecting roller 24 and the pole piece roll set 3 to guide and roll the pole piece material belt 5 into the gap between the first press roller 31 and the second press roller 32 of the pole piece roll set 3.

In a further preferred embodiment, the discharging side of the pole piece rolling group 3 is provided with a rear pole lug flattening mechanism 4, so that the pole lugs of the pole piece material belt 5 which is subjected to pole piece rolling and then discharging and rolling can be flattened, the pole lugs are prevented from being wrinkled in the rolling process, and the rolling quality of the pole pieces is improved. Specifically, the rear tab flattening mechanism 4 includes a fourth tension swing roller 43 and a third separation roller set, which are disposed on the fourth frame 40 and sequentially disposed along the feeding direction of the pole piece material belt 5, where the third separation roller set includes a third driving steel roller 41 and a third glue roller 42 that are mutually matched.

The pole piece material belt 5 is discharged from the pole piece roll group 3 and then sequentially passes through a fourth tension swing roller 43 and a third separation roller group to be discharged and wound, and the fourth tension swing roller 43 can carry out tension adjustment on the pole piece material belt 5 discharged from the pole piece roll group 3 through swing. Also, a position sensor may be provided on the fourth tension swing roller 43 to detect the position of the fourth tension swing roller 43. And the third driving steel roller 41 and the third glue roller 42 are oppositely arranged, and are vertically oppositely arranged. The pole piece material belt 5 passes through the second separating roller set before entering the winding after being discharged from the pole piece roller set 3, wherein the third glue pressing roller 42 presses the pole piece material belt 5 on the third driving steel roller 41 and is driven by the third driving steel roller 41 to carry out movable discharging, and the tension between the rolling and the winding of the pole piece roller set 3 is separated, so that tension adjustment is convenient.

Further, a fourth tension detecting roller 44 is arranged between the feeding side of the fourth tension swinging roller 43 and the pole piece roller group 3, the pole piece material belt 5 passes through the fourth tension detecting roller 44 and the fourth tension swinging roller 43 from the gap between the two pressing rollers of the pole piece roller group 3, and then enters the winding again, and the fourth tension detecting roller 44 can detect the tension of the pole piece material belt 5 discharged and can cooperate with the fourth tension swinging roller 43 to keep the stable tension of the pole piece material belt 5 through PLC closed-loop control.

In addition, a plurality of general rollers may be disposed between the fourth tension swing roller 43 and the pole piece roller group 3 as needed to guide the traveling direction of the pole piece material belt 5, such as a third general roller 45 disposed between the fourth tension swing roller 43 and the fourth tension detection roller 44 to guide and feed the tension adjustment of the pole piece material belt 5 therebetween.

The above embodiments are merely preferred embodiments of the present utility model and only the technical solutions of the present utility model have been described in further detail, but the above description is illustrative, not exhaustive, and is not limited to the disclosed embodiments, the scope and implementation of the present utility model are not limited thereto, and any changes, combinations, deletions, substitutions or modifications made without departing from the spirit and principles of the present utility model are included in the scope of the present utility model.

Claims (10)

1. The pole lug calendaring device is characterized by comprising a working roller and a calendaring roller which are oppositely arranged; the rolling roller is movably connected to the rotating shaft through a swing arm, and can be driven by the rolling driving piece to swing around the axis of the rotating shaft to be close to the working roller; one side of the working roll, which is far away from the calendaring roll, is provided with a supporting roll, and the supporting roll is in butt support with the working roll.

2. The tab calendaring device of claim 1, wherein the calendaring drive comprises a hydraulic cylinder, an output end of the calendaring drive acting against the swing arm to drive the calendaring roller closer to the work roller.

3. The tab rolling device according to claim 1, wherein a lateral adjustment mechanism is provided, capable of performing lateral adjustment in an axial direction of the rolling roller; the transverse adjusting mechanism comprises a sliding seat and a sliding rail extending along the axial direction, wherein the sliding seat is arranged on the sliding rail in a sliding manner, the sliding seat is connected with the swing arm, and the sliding seat drives the swing arm and the calendaring roller to move and adjust along the axial direction when sliding along the axial direction on the sliding rail.

4. A tab calendaring device according to claim 3, characterised in that an axially extending adjustment rack is provided; and the sliding seat is connected with an adjusting gear, the adjusting gear is meshed with the adjusting rack, the adjusting gear is connected with an adjusting handle, and the adjusting handle can be operated to drive the adjusting gear to rotate.

5. The tab calendaring device according to claim 1, wherein the feed side and the discharge side of the work roll are provided with a regulating roll along the traveling direction of the material belt.

6. The tab calendering device of any one of claims 1-5, wherein a feed side of the work roll is provided with a first tension pendulum roll along a direction of travel of the web; and/or a second tension swing roller is arranged on the discharging side of the working roller along the advancing direction of the material belt.

7. The tab reduction device of claim 6, wherein a feed side of the tab reduction device is provided with a first set of separator rollers comprising a first driven steel roller and a first glue roller that cooperate with each other.

8. A pole piece rolling system, characterized by comprising a pole piece rolling group and a pole ear rolling device, wherein the pole ear rolling device is the pole ear rolling device of any one of claims 1-7; the pole lug rolling device is arranged on the feeding side of the pole piece rolling group along the advancing direction of the material belt; the pole piece roll-in group includes the first compression roller and the second compression roller of relative setting.

9. The pole piece rolling system of claim 8, wherein a front pole piece flattening mechanism is arranged between the pole piece rolling set and the pole piece rolling device, the front pole piece flattening mechanism comprises a second separation roller set and a third tension swing roller arranged between the second separation roller set and the pole piece rolling set, and the second separation roller set comprises a second driving steel roller and a second glue pressing roller which are matched with each other.

10. The pole piece rolling system according to claim 8 or 9, wherein a rear tab flattening mechanism is arranged on the discharging side of the pole piece rolling set, the rear tab flattening mechanism comprises a third separation roller set and a fourth tension swing roller arranged between the third separation roller set and the pole piece rolling set, and the third separation roller set comprises a third driving steel roller and a third glue pressing roller which are matched with each other.