CN208904155U - A kind of pole piece crosses roll structure - Google Patents

Abstract

The utility model discloses a kind of pole pieces to cross roll structure, it crosses roller, the first central axis and the first fixation kit including first, first one end for crossing roller inner wall is equipped with the first rolling assembly, first other end for crossing roller inner wall is equipped with the second rolling assembly, first, which crosses roller, is connect by the first rolling assembly, the second rolling assembly and the first center axis connection, the first fixation kit with one end of the first central axis；Guarantee that first bearing is in zero-play condition while the utility model realizes first bearing not by axial compressive force, keep the frictional force being subject to when the first mistake roller rotation smaller, first roller inertia excessively is small, disconnected band or corrugation caused by avoiding pole piece rotary inertia excessive, reduce by the first axial float for crossing roller, the second step that second bearing and the first central axis is arranged maintains gap, second bearing is avoided to be squeezed generation axial compressive force, so that second bearing is only used for support first and crosses roller, the resistance that such first mistake roller is subject to is smaller, greatly improve the quality and qualification rate of lithium battery electric core production.

Description

A kind of pole piece crosses roll structure

Technical field

The utility model relates to lithium battery manufacturing technology fields, cross roll structure more particularly to a kind of pole piece.

Background technique

Lithium ion battery is the novel high-energy battery succeeded in developing in 20th century.Lithium ion research start from the 1980s, Enter the industrialization stage nineties, and develops rapidly.Lithium ion battery due to specific energy is high, small in size, environmental-friendly and by The favor of every profession and trade is widely used in the digital products such as mobile phone, laptop and new-energy automobile etc..

Currently, needing to complete lithium battery electric core volume by lithium battery core coil equipment in lithium battery manufacturing Around link, in lithium battery core coil equipment usually all can use it is many cross rollers for carry transmission pole piece, and it is existing cross roller Structure mounting means is to reduce its gap by squeezing spring bearing inner ring, and achieve the purpose that reduce and axially be driven, and is led in this way Cause spring bearing additionally by axial pressure, the frictional force for rotating roller increases, and while frictional force increases, crosses roller movement Inertia, movement inertia also will increase, and cause operational effect and whole tension force unstable, to influence the lithium electricity for winding The quality and qualification rate of pond battery core production.

Summary of the invention

The purpose of the utility model is to overcome disadvantages described above, a kind of pole piece is provided and crosses roll structure.

To achieve the above object, the concrete scheme of the utility model is as follows: a kind of pole piece crosses roll structure, including the first mistake Roller, the first central axis and the first fixation kit, described first one end for crossing roller inner wall are equipped with the first rolling assembly, first mistake The other end of roller inner wall is equipped with the second rolling assembly, and described first, which crosses roller, passes through the first rolling assembly, the second rolling assembly and institute The first center axis connection is stated, first fixation kit is connect with one end of first central axis；

First rolling assembly includes first bearing seat and first bearing, and the first bearing is set to the first bearing In seat, the first bearing seat is fixed on described first and crosses on roller inner wall, and one end of first central axis is equipped with first step, A part of the first bearing inner ring is supported on the first step, and another part of the first bearing inner ring is supported in On first fixation kit；

Second rolling assembly includes second bearing seat and second bearing, and the second bearing seat is fixed on described first It crosses on the inner wall of roller, the second bearing is set in the second bearing seat, and the other end of first central axis is equipped with second Step, the second bearing are sheathed on first central axis；

First fixation kit includes elastic component and locating part, and the elastic component, locating part are respectively positioned on the first axle It holds in seat, the other side of the elastic component between the first bearing and the locating part and with the first bearing outer ring Against, the locating part and the first bearing seat against, first bearing inner ring two sides respectively with first central axis, First fixation kit against.

Wherein, first fixation kit further includes the first locking end cap and the first locking member, the elastic component, locating part It is placed on first locking end to cover, the first locking end cap connects by the way that the first locking member and first central axis are fixed It connects, first locking end is covered with third step, and another part of the first bearing inner ring is supported in the third step It is upper and with the first locking end cap against.

Wherein, first central axis is equipped with installation groove close to the end of the second step, in the installation groove Equipped with fixation hole.

It wherein, further include tab supporting plate, the arc-shaped setting of tab supporting plate, one end of the tab supporting plate and described the One fixation kit is flexibly connected and the circumferential direction that can cross roller along described first moves.

It wherein, further include that tab smooths component, the tab smooths component and is flexibly connected with first central axis.

Wherein, the tab smooths component and crosses roller including the second central axis, second, and described second crosses in roller and described second Mandrel pivot joint, one end of second central axis is flexibly connected by adjusting component with first central axis, in described second The other end of mandrel is fixed with the second fixation kit.

Wherein, described second roller inner wall is crossed close to one end of the second fixation kit equipped with 3rd bearing, the 3rd bearing It is crossed between roller and second central axis positioned at described second, described second crosses roller inner wall sets far from one end of the second fixation kit There is fourth bearing, the fourth bearing is located at described second and crosses between roller and second central axis.

Wherein, it further includes the first shackle and the second shackle, second central axis that the tab, which smooths component, It is equipped with the first groove far from the one end for adjusting component, second central axis is equipped with the second groove close to the one end for adjusting component, First shackle is set in the first groove and with the 3rd bearing against first shackle and described second Gap is equipped between fixation kit, second shackle is set in the second groove and with the fourth bearing against described Gap is equipped between second shackle and the adjusting component.

Wherein, the adjusting component includes angle adjustment plate and fastener, and the angle adjustment plate is sheathed on described first Against the angle adjustment plate and described first crosses the other end of roller equipped with gap, institute on central axis and with the second step Fastener is stated to connect with first central axle threads and with the angle adjustment plate against the angle adjustment plate is radially set There is pivot ear, second central axis is fixedly connected with the pivot ear.

Wherein, second fixation kit includes the second locking end cap and the second locking member, and the second locking end cap is logical The second locking member is crossed to be fixedly connected with second central axis.

The utility model has the following beneficial effects: compared with prior art, the utility model realize the first bearing not by Guarantee that first bearing be in zero-play condition while to axial compressive force, makes described first to cross the frictional force being subject to when roller rotates more Small, motional inertia, movement inertia reduce, and overall operation effect is more stable with tension force, avoids pole piece due to rotary inertia mistake Caused disconnected band or corrugation greatly in winding process, while reducing by the first axial float for crossing roller；And the second bearing and institute The second step for stating the first central axis maintains gap, there is no second bearing Internal and external cycle phenomenon is squeezed, avoids second axis It affords extruding and generates axial compressive force, it is ensured that the sensitivity of described second bearing itself makes the second bearing be only used for supporting Described first roller, the resistance that the first mistake roller described in this way is subject to when rotating excessively is smaller；

It on the other hand, can be sagging due to self gravity since tab thickness itself is very thin, when operation or since pole piece is run When air-flow tab is taken up, generate as birds wing swing up and down the phenomenon that, be easy to produce fold, collapse angle phenomena such as, in pole Piece, which enters to increase tab supporting plate at angle, carries out arc guidance to pole piece, before pole piece crosses roller into described first, passes through tab supporting plate Correcting is carried out to tab.

In addition, tab has the generation for upwarping phenomenon at runtime, component is smoothed to the tab upwarped by the way that tab is arranged It carries out pushing righting and rolls guiding, smooth function before tab enters roller to realize.

Substantially increased using the utility model structure wind come lithium battery electric core production quality and qualification rate.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the cross-sectional view of the utility model；

Structural schematic diagram when Fig. 3 is using the utility model transmission pole piece；

Fig. 4 is the schematic diagram that the utility model is mounted on the big plate of external rack；

Fig. 5 is the structural schematic diagram at another visual angle of the utility model；

Fig. 6 is the partial sectional view of the utility model wherein one end；

Fig. 7 is the partial sectional view of the utility model other end；

Description of symbols: 1- first crosses roller；The first central axis of 2-；21- installation groove；31- first bearing seat；32- One bearing；41- second bearing seat；42- second bearing；The first fixation kit of 50-；51- elastic component；52- locating part；53- first Lock end cap；The first locking member of 54-；6- tab supporting plate；The second central axis of 71-；72- second crosses roller；73- 3rd bearing；74- Four bearings；The first shackle of 75-；The second shackle of 76-；771- angle adjustment plate；772- fastener；781- second is locked End cap；The second locking member of 782-.

Specific embodiment

The utility model is described in further detail in the following with reference to the drawings and specific embodiments, is not that this is practical Novel practical range is confined to this.

In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this The limitation of utility model.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

As shown in Figures 1 to 7, a kind of pole piece described in the present embodiment crosses roll structure, including first crosses roller 1, the first center Axis 2 and the first fixation kit 50, described first one end for crossing 1 inner wall of roller are equipped with the first rolling assembly, and described first crosses 1 inner wall of roller The other end be equipped with the second rolling assembly, it is described first cross roller 1 pass through the first rolling assembly, the second rolling assembly and described first Central axis 2 connects, and first fixation kit 50 is connect with one end of first central axis 2；The first rolling assembly packet First bearing seat 31 and first bearing 32 are included, the first bearing 32 is set in the first bearing seat 31, and the first axle The side for holding 32 outer rings and the first bearing seat 31 are against the first bearing seat 31 is fixed on described first and crosses 1 inner wall of roller On, one end of first central axis 2 is equipped with first step, and a part of 32 inner ring of first bearing is supported in described first On step, another part of 32 inner ring of first bearing is supported on first fixation kit 50；The second rolling group Part includes second bearing seat 41 and second bearing 42, and the second bearing seat 41 is fixed on described first and crosses on the inner wall of roller 1, institute Second bearing 42 is stated in the second bearing seat 41, the other end of first central axis 2 is equipped with second step, and described the Two bearings 42 are sheathed on first central axis 2 and are equipped with gap between the second step, reserve installation diastema and foot Mismachining tolerance is dealt in enough spaces, convenient for assembly；First fixation kit 50 includes elastic component 51 and locating part 52, the bullet Property part 51, locating part 52 are respectively positioned in the first bearing seat 31, the elastic component 51 be located at the first bearing 32 with it is described Against the locating part 52 and the first bearing seat 31 between locating part 52 and with the other side of 32 outer ring of first bearing Against, 32 inner ring two sides of first bearing respectively with first central axis 2, the first fixation kit 50 against；Described first Bearing 32, second bearing 42 are all made of deep groove ball bearing or self-aligning ball bearing, it is preferred to use deep groove ball bearing.

As shown in figs. 2,4 and 6, in the present embodiment, first fixation kit 50 further includes the first locking end cap 53 With the first locking member 54, the elastic component 51, locating part 52 are placed on the first locking end cap 53, first locking end The setting cylindrical of lid 53, the first locking end cap 53 are fixedly connected by the first locking member 54 with first central axis 2, The first locking end cap 53 is supported along cylindrical third step, another part of 32 inner ring of first bearing is axially arranged with In on the third step and with it is described first locking end cap 53 against.

Specifically, it first crosses roller 1 described in the present embodiment roller is preferably crossed using carbon fiber, it is light-weight, inertia is small, the elasticity Part 51 uses flexible wave washer, and the locating part 52 uses limit hole snap ring, and first locking member 54 is using lock Tight bolt, the middle part of the first locking end cap 53 are equipped with threaded hole, and the end center of first central axis 2 is equipped with screw thread Hole is fixed together the first locking end cap 53 with the first central axis 2,32 outer ring of first bearing by clamping screw It is fixed between wave washer, first bearing seat 31, is crossed on 1 inner wall of roller because the first bearing seat 31 is fixed on described first, By the limit of limit hole snap ring, the elastic reaction of wave washer, the outer ring of the first bearing 32 and first bearing seat 31 are solid It is scheduled on together, so that 32 outer ring of first bearing is crossed roller 1 with described first and be connected as one, guarantee 32 outer ring of first bearing In zero-play condition, described first is overcome to cross axial float of the roller 1 during strip；Group is fixed when installing described first When part 50,32 inner ring of first bearing is by first fixation kit 50 and first central axis 2 supports jointly and quilt First fixation kit 50 and first central axis 2 are fixed, make the inner ring of the first bearing 32 and first center Axis 2 links into an integrated entity, and guarantees that 32 inner ring of first bearing is in zero-play condition, further overcomes described first to cross roller 1 and exists Axial float during strip makes the standard clearance of the described first movement clearance bearing standard part for crossing roller 1 itself, thus Guarantee that first crosses the movement circumference bounce precision of roller 1 in critical field.

Although and the inside and outside circle of first bearing 32, second bearing 41 is passed through with the first roller 1, the first central axis 2 excessively respectively Welding, bonding mode fix, can also realize the gapless state of bearing, but weld to bearing, be easy to cause bearing slight crack, Deformation, and be bonded bearing and be easy to cause that glue falls off or glue flows into the ball of bearing, and the concentricity between two bearings is not It is easy to control；The mode that bearing is fixed is unfavorable for assembly and part more by welding, the mode of bonding or other modes It changes；And the present embodiment is fixedly connected with the outer ring of first bearing 32 by wave washer, limit hole snap ring with first bearing seat 31, Make the outer ring of first bearing 32 cross roller 1 with first indirectly to be fixedly connected, the first play for crossing roller 1 is made to be transferred to first bearing 32 Play gap, and the gap play that the standard error of first bearing 32 processing itself generates need to overcome the elasticity pressure of wave washer The inner ring of power, first bearing 32 is fixed by the first central axis 2 and the first locking cooperation of end cap 53, avoids the interior of first bearing 32 The play generated at work is enclosed, the play for guaranteeing that first crosses roller 1 is limited in critical field；Roller 1 is crossed due to being arranged first It is fixedly connected indirectly with first bearing 32, so requirement of the second bearing 42 due to assembly, is only used for support first and crosses the another of roller 1 One end, and when first crosses roller 1 and rotate, since the rotary force that 41 inner surface of second bearing seat is subject to is less than in first bearing seat 41 The frictional force on surface and 42 outer surface of second bearing, so the outer surface of the inner surface of second bearing seat 41 and second bearing 42 is not It will appear sliding friction.

Guarantee that first bearing 32 is between zero while the present embodiment realizes the first bearing 32 not by axial compressive force Gap state, making described first to cross, the frictional force being subject to when roller 1 rotates is smaller, motional inertia reduces, movement inertia reduces, whole to transport Row effect is more stable with tension force, avoid pole piece due to rotary inertia it is excessive in winding process caused by disconnected band or corrugation； And the second bearing 42 maintains gap with the second step, there is no 42 Internal and external cycle phenomenon of second bearing is squeezed, guarantees The second bearing 42 is not squeezed phenomenon, it is ensured that the sensitivity of the second bearing 42 itself makes the second bearing 42 It is only used for supporting the described first roller 1, resistance that the first mistake roller 1 described in this way is subject to when rotating excessively smaller；The present embodiment facilitates Improve the quality and qualification rate of the lithium battery electric core production for winding.

As shown in Fig. 4, Fig. 5 and Fig. 7, based on the above embodiment on the basis of, further, first central axis 2 is left It holds end to be equipped with installation groove 21, is equipped with fixation hole in the installation groove 21；Specifically, the installation groove 21 is rounded, The fixation hole is threaded hole, and first central axis 2 is fixed on the big plate of external rack by screw and threaded hole cooperation, if Installation groove 21 is set, the contact area of first central axis 2 and the big plate of external rack is reduced, makes first central axis 2 more It is fixedly attached on the big plate of external rack, overcomes the first central axis 2 and the bigger the big plate contact area of external rack the more firm Technology prejudice.

It as shown in figures 1 and 3, further include tab supporting plate 6 on the basis of based on the above embodiment, the tab supporting plate 6 is in Arc setting, one end of the tab supporting plate 6 are flexibly connected with first fixation kit 50 and can cross roller 1 along described first It is circumferential mobile；Specifically, the tab supporting plate 6 is flexibly connected with the first locking end cap 53, the first locking end cap 53 Circumference is equipped with arc groove, and one end insertion arc groove of the tab supporting plate 6 is interior and movable even with the first locking end cap 53 Be connected together, can tab supporting plate 6 described in flexible modulation position, structure is more flexible；In pole piece operational process, tab is due to it Thickness itself is very thin, can be sagging due to self gravity when operation or air-flow when due to pole piece operation tab is taken up, generate such as The phenomenon that birds wing is swung up and down, be easy to produce fold, collapse angle phenomena such as, enter in pole piece and increase the tab supporting plate 6 at angle Arc guidance is carried out to tab, before pole piece crosses roller 1 into described first, correcting is carried out to tab by the tab supporting plate 6, Further increase the quality and qualification rate of the lithium battery electric core production for winding.

As shown in Fig. 1 to Fig. 5, Fig. 7, based on the above embodiment on the basis of, further include that tab smooths group further Part, the tab smooth component and are flexibly connected with first central axis 2；Specifically, described when tab front end, which generates, to be upwarped Tab smooths component and push righting and roll being oriented to tab is upwarped, and smooths function before tab enters roller to realize, keeps away Exempt from tab to be broken, greatly improves the quality and qualification rate of the lithium battery electric core production for winding.

As shown in Figure 2 and Figure 4, on the basis of based on the above embodiment, further, it includes that the tab, which smooths component, Two central axises 71, second cross roller 72, and described second crosses roller 72 and second central axis 71 pivot joint, second central axis 71 Left end is flexibly connected by adjusting component with the left end of first central axis 2, is coiled in first convenient for placement pole piece and is crossed roller 1 On, the right end of second central axis 71 is fixed with the second fixation kit；Specifically, described second roller 72 is crossed preferably using carbon fiber Tieed up roller, tab enters the described second lower section for crossing roller 72 after the arc guidance of tab supporting plate 6, and described second to cross roller 72 right Tab carries out pushing righting, and described second, which crosses roller 72, rotates around second central axis 71 and carry out rolling guiding for tab, ties Structure is simple, realizes and smooths function before tab enters roller.

As shown in Figure 6 and Figure 7, on the basis of based on the above embodiment, further, described second crosses 72 inner wall right end of roller Equipped with 3rd bearing 73, the 3rd bearing 73 is located at described second and crosses between roller 72 and second central axis 71, and described the Two, which cross 72 inner wall left end of roller, is equipped with fourth bearing 74, and the fourth bearing 74 is located at described second and crosses roller 72 and second center Between axis 71；Specifically, the described second roller 72 excessively passes through the 3rd bearing 73, fourth bearing 74 and second central axis 71 Connection, crossing roller 72 convenient for described second is that tab rolls guiding.

As shown in Figure 6 and Figure 7, on the basis of based on the above embodiment, further, the tab smooths component and further includes First shackle 75 and the second shackle 76,71 right end of the second central axis are equipped with the first groove, second center 71 left end of axis be equipped with the second groove, first shackle 75 be set to the first groove in and with the 3rd bearing 73 against, Gap is equipped between first shackle 75 and second fixation kit, it is recessed that second shackle 76 is set to second Against equipped with gap between second shackle 76 and the adjusting component in slot and with the fourth bearing 74；Specifically Ground, first shackle 75 and second shackle 76 cross the both ends of roller 72 against limitation with described second respectively Described second crosses the axial float of roller 72, while between first shackle 75 and second fixation kit are provided with Gap, second shackle 76 are provided with gap with the adjusting component, and the rotation for crossing roller 72 convenient for described second reduces institute It states second and crosses the frictional force being subject to when roller 72 rotates.

As shown in Fig. 2, Fig. 4, Fig. 5 and Fig. 7, based on the above embodiment on the basis of, further, the adjusting component packet Include angle adjustment plate 771 and fastener 772, the angle adjustment plate 771 is sheathed on first central axis 2 and with described Two steps are equipped with gap against, the left end that the angle adjustment plate 771 crosses roller 1 with described first, the fastener 772 with it is described First central axis 2 is threadedly coupled and is radially equipped with pivot ear against, the angle adjustment plate 771 with the angle adjustment plate 771, Second central axis 71 is fixedly connected with the pivot ear；Specifically, the fastener 772 uses locking nut, locking nut It is screwed on second central axis 71 and is fixed on the angle adjustment plate 771, when locking nut unclamps, the angle tune Whole plate 771 passes through can make rotating motion under external force, and second central axis 71 is driven to rotate, and adjust described second and cross roller 72 position makes described second to cross roller 72 and is more conducive to carry out smoothing adjusting to tab, and structure is more flexible.

As shown in fig. 6, further, second fixation kit includes the second lock on the basis of based on the above embodiment Tight end cap 781 and the second locking member 782, the second locking end cap 781 pass through the second locking member 782 and second central axis 71 are fixedly connected；Specifically, described second the setting cylindrical of end cap 781 is locked, is equipped in the middle part of the second locking end cap 781 The accommodation groove of the second locking member 782 and the groove with the cooperation of the second central axis 71 are accommodated, in second locking member 782 uses Hex bolts, the middle part of the second locking end cap 781 are equipped with threaded hole, and the end of second central axis 71 is equipped with screw thread Hole is fixed together the second locking end cap 781 with the second central axis 71 with hexagon socket head cap screw, and structure is stronger.

The above is only a preferred embodiment of the utility model, therefore all according to the utility model patent application range institute The equivalent change or modification that the structure, feature and principle stated is done, in the protection scope of the utility model patent application.

Claims (10)

1. a kind of pole piece crosses roll structure, it is characterised in that: cross roller (1), the first central axis (2) and the first fixation kit including first (50), described first one end for crossing roller (1) inner wall is equipped with the first rolling assembly, and described first other end for crossing roller (1) inner wall is set There is the second rolling assembly, described first, which crosses roller (1), passes through the first rolling assembly, the second rolling assembly and first central axis (2) it connects, first fixation kit (50) connect with one end of first central axis (2)；

First rolling assembly includes first bearing seat (31) and first bearing (32), and the first bearing (32) is set to described In first bearing seat (31), the first bearing seat (31) is fixed on described first and crosses on roller (1) inner wall, first central axis (2) one end is equipped with first step, and a part of first bearing (32) inner ring is supported on the first step, and described the Another part of one bearing (32) inner ring is supported on first fixation kit (50)；

Second rolling assembly includes second bearing seat (41) and second bearing (42), and the second bearing seat (41) is fixed on Described first crosses on the inner wall of roller (1), and the second bearing (42) is set in the second bearing seat (41), first center The other end of axis (2) is equipped with second step, and the second bearing (42) is sheathed on first central axis (2)；

First fixation kit (50) includes elastic component (51) and locating part (52), the elastic component (51), locating part (52) It is respectively positioned in the first bearing seat (31), the elastic component (51) is located at the first bearing (32) and the locating part (52) Between and with the other side of the first bearing (32) outer ring against the locating part (52) is supported with the first bearing seat (31) Lean on, the two sides of first bearing (32) inner ring respectively with first central axis (2), the first fixation kit (50) against.

2. a kind of pole piece according to claim 1 crosses roll structure, it is characterised in that: first fixation kit (50) is also wrapped The first locking end cap (53) and the first locking member (54) are included, the elastic component (51), locating part (52) are placed on first lock On tight end cap (53), first locking end cap (53) connects by the way that the first locking member (54) and first central axis (2) are fixed It connects, first locking end cap (53) is equipped with third step, and another part of first bearing (32) inner ring is supported in described On third step and with it is described first locking end cap (53) against.

3. a kind of pole piece according to claim 1 crosses roll structure, it is characterised in that: first central axis (2) is close to institute The end for stating second step is equipped with installation groove (21), and fixation hole is equipped in the installation groove (21).

4. a kind of pole piece according to claim 1 crosses roll structure, it is characterised in that: further include tab supporting plate (6), the pole Earpiece plate (6) arc-shaped setting, one end of the tab supporting plate (6) are flexibly connected with first fixation kit (50) and can edges Described first crosses the circumferential direction movement of roller (1).

5. a kind of pole piece according to claim 1 crosses roll structure, it is characterised in that: it further include that tab smooths component, it is described Tab smooths component and is flexibly connected with first central axis (2).

6. a kind of pole piece according to claim 5 crosses roll structure, it is characterised in that: it includes second that the tab, which smooths component, Central axis (71), second cross roller (72), and described second crosses roller (72) and second central axis (71) pivot joint, second center One end of axis (71) by adjust component be flexibly connected with first central axis (2), second central axis (71) it is another End is fixed with the second fixation kit.

7. a kind of pole piece according to claim 6 crosses roll structure, it is characterised in that: described second roller (72) inner wall excessively is close One end of second fixation kit be equipped with 3rd bearing (73), the 3rd bearing (73) be located at it is described second cross roller (72) with it is described Between second central axis (71), described second, which crosses roller (72) inner wall, is equipped with fourth bearing far from one end of the second fixation kit (74), the fourth bearing (74) is located at described second and crosses between roller (72) and second central axis (71).

8. a kind of pole piece according to claim 7 crosses roll structure, it is characterised in that: it further includes that the tab, which smooths component, One shackle (75) and the second shackle (76), second central axis (71) are equipped with first far from the one end for adjusting component Groove, second central axis (71) are equipped with the second groove close to the one end for adjusting component, and first shackle (75) sets In in the first groove and with the 3rd bearing (73) against, first shackle (75) and second fixation kit it Between be equipped with gap, second shackle (76) is set in the second groove and with the fourth bearing (74) against described the Gap is equipped between two shackles (76) and the adjusting component.

9. a kind of pole piece according to claim 6 crosses roll structure, it is characterised in that: the adjusting component includes angle adjustment Plate (771) and fastener (772), the angle adjustment plate (771) are sheathed on first central axis (2) and with described second Step is against the angle adjustment plate (771) and described first crosses the other end of roller (1) equipped with gap, the fastener (772) It is threadedly coupled with first central axis (2) and with the angle adjustment plate (771) against angle adjustment plate (771) edge It is radially provided with pivot ear, second central axis (71) is fixedly connected with the pivot ear.

10. a kind of pole piece according to claim 6 crosses roll structure, it is characterised in that: second fixation kit includes the Two lockings end cap (781) and the second locking member (782), second locking end cap (781) pass through the second locking member (782) and institute The second central axis (71) is stated to be fixedly connected.