CN212768897U - Material belt deviation correcting device and winding equipment - Google Patents

Abstract

The utility model relates to a material area deviation correcting device and coiling equipment. This material area deviation correcting device includes: a mounting frame; the swinging assembly comprises a guide shaft and a rotating shaft, the guide shaft comprises a sliding end and a connecting end which are opposite, the sliding end is movably connected to the mounting frame along a first direction, and the connecting end is lengthways extended along the first direction relative to the sliding end; the rotating shaft is connected to the connecting end, and the axis of the rotating shaft is parallel to the second direction; the deviation correcting roller comprises a supporting shaft and a deviation correcting roller which is rotatably sleeved outside the supporting shaft; the supporting shaft is rotatably connected to the rotating shaft, and the axis of the supporting shaft is parallel to the first direction; and the driving component comprises a moving piece which is pivotally connected with one end of the supporting shaft, and the moving piece can be controlled to move along the third direction relative to the mounting frame. The moving motion of the moving member along the third direction is converted into the swinging motion of the supporting shaft around the rotating shaft and the moving motion of the moving member along the first direction, so that the deviation rectifying idler wheel swings around the rotating shaft along with the supporting shaft, and the deviation rectification of the material belt wound by the deviation rectifying idler wheel is realized.

Description

Material belt deviation correcting device and winding equipment

Technical Field

The utility model relates to a technical field that rectifies especially relates to a material area deviation correcting device and coiling equipment.

Background

The battery core is a core component of a lithium battery, and is generally formed by winding a material tape by using winding equipment, such as a positive electrode sheet material tape, a negative electrode sheet material tape and a diaphragm material tape. Each strip needs to be fed before being wound up in order to continuously transport the strip. However, the material belt is prone to deviation in the process of material belt feeding and winding, so that the alignment degree of the battery cells formed by winding is reduced, and the quality of the battery cells is seriously affected.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a material belt deviation rectifying device and a winding apparatus for improving the above defects, aiming at the problem that the material belt is easy to deviate in the process of material belt feeding and winding in the prior art, so that the alignment degree of the battery cell formed by winding is reduced, and the quality of the battery cell is seriously affected.

A material strip deviation correcting device, comprising:

a mounting frame;

the swinging assembly comprises a guide shaft and a rotating shaft, the guide shaft comprises opposite sliding ends and connecting ends, the sliding ends are movably connected to the mounting frame along a first direction, and the connecting ends extend lengthways along the first direction relative to the sliding ends; the rotating shaft is connected to the connecting end, and the axis of the rotating shaft is parallel to a second direction perpendicular to the first direction;

the deviation rectifying roller comprises a supporting shaft and a deviation rectifying roller which is rotatably sleeved outside the supporting shaft; the supporting shaft is rotatably connected to the rotating shaft, and the axis of the supporting shaft is parallel to the first direction; and

and the driving component comprises a moving member which is pivotally connected with one end of the supporting shaft, the moving member can be controlled to move along a third direction relative to the mounting frame, and the third direction is vertical to the first direction and the second direction.

When the material belt deviation rectifying device rectifies the material belt, the moving member is controlled to move in the third direction, so that the support shaft is driven to swing around the rotating shaft, and the rotating shaft is driven to move along the first direction along with the guide shaft relative to the mounting frame so as to adapt to the swing of the support shaft around the rotating shaft. That is, the moving motion of the moving member in the third direction is converted into the swinging motion about the support shaft and the moving motion in the first direction. And, because the gyro wheel of rectifying rotationally the cover is located the back shaft for the gyro wheel of rectifying swings around the pivot along with the back shaft, thereby realizes rectifying to the material area around this gyro wheel of rectifying, is favorable to improving the alignment degree of the electric core of coiling formation, improves the electric core quality.

In one embodiment, the swing assembly further includes a sleeve connected to the mounting frame, and the sliding end of the guide shaft is fitted in the sleeve and is movable in the first direction relative to the sleeve.

In one embodiment, the swing assembly further comprises a ball bushing sleeved between the sleeve and the sliding end of the guide shaft. So, realized the slip end of guiding axle through ball bush and can follow first direction removal relatively to the sleeve to ball bush makes the friction between guiding axle and the sleeve be rolling friction, is favorable to reducing wearing and tearing, increase of service life.

In one embodiment, the swing assembly further comprises a linear bearing, and the sliding end of the guide shaft is coupled to the mounting frame through the linear bearing.

In one embodiment, the driving assembly further includes a swing frame and a pivot shaft, the swing frame is connected to one end of the support shaft and is pivotally connected to the moving member through the pivot shaft, and an axis of the pivot shaft is parallel to the second direction.

In one embodiment, the axis of the pivot shaft is coplanar with the axis of the support shaft.

In one embodiment, the moving member comprises two moving members, and the two moving members are positioned at two opposite ends of the pivot shaft. So, two moving member synchronous motion of accessible drive the back shaft swing, are favorable to improving the stability of motion.

In one embodiment, the driving assembly further includes a driving mechanism, the moving member is movably connected to the mounting frame along the third direction, and the driving mechanism is disposed on the mounting frame and is in transmission connection with the moving member.

In one embodiment, the driving mechanism comprises a screw rod, a screw nut and a driving piece, the screw rod is rotatably connected to the mounting frame around the axis of the screw rod, the screw nut is in threaded connection with the screw rod and is connected with the moving piece, and the driving piece is arranged on the mounting frame and is in transmission connection with the screw rod; wherein the axis of the lead screw is parallel to the third direction. So, driving piece drive lead screw is around self axis corotation or reversal to the moving member moves (follows the third direction promptly) along the lead screw along lead screw nut, is favorable to guaranteeing to carry out accurate control to the direction and the amount of movement that the moving member moved.

A winding device, comprising the tape deviation rectifying device in any one of the above embodiments.

When the material belt deviation rectifying device and the winding equipment rectify the deviation of the material belt, the moving member is controlled to move along the third direction, so that the support shaft is driven to swing around the rotating shaft, and the rotating shaft is driven to move along the first direction along with the guide shaft relative to the mounting frame so as to adapt to the swing of the support shaft around the rotating shaft. That is, the moving motion of the moving member in the third direction is converted into the swinging motion about the support shaft and the moving motion in the first direction. And, because the gyro wheel of rectifying rotationally the cover is located the back shaft for the gyro wheel of rectifying swings around the pivot along with the back shaft, thereby realizes rectifying to the material area around this gyro wheel of rectifying, is favorable to improving the alignment degree of the electric core of coiling formation, improves the electric core quality.

Drawings

Fig. 1 is a schematic structural diagram of a material belt deviation rectifying device in an embodiment of the present invention;

fig. 2 is a cross-sectional view of the tape deviation rectifying device shown in fig. 1.

10, mounting a frame; 20 a swing assembly; 21 a guide shaft; 211 a sliding end; 212 a connection end; 23 a rotating shaft; 24 a sleeve; 25 ball bushings; 26, a limiting sleeve; 30 deviation rectifying rollers; 31 supporting the shaft; 33, correcting rollers; 35 bearings; 37 a locking member; 39 end caps; 40 a drive assembly; 41 a moving member; 42 a screw rod; 43 a feed screw nut; 44 a drive member; 45 a swing frame; 46 a pivot shaft; 50 a base; 51 a slide rail; 52 slide block.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Furthermore, the drawings are not 1: 1, and the relative dimensions of the various elements in the figures are drawn for illustration only and not necessarily to true scale.

Fig. 1 shows a schematic structural diagram of a material belt deviation rectifying device in an embodiment of the present invention. Fig. 2 shows a cross-sectional view of the tape deviation rectifying device shown in fig. 1. For the purpose of illustration, the drawings show only the structures pertinent to the present invention.

Referring to fig. 1 and fig. 2, an embodiment of the present invention provides a material belt deviation rectifying device, which is disposed on a material belt path for rectifying deviation of a position of a material belt around a warp. The material belt deviation rectifying device comprises a mounting frame 10, a swinging assembly 20, a deviation rectifying roller 30 and a driving assembly 40.

The swing assembly 20 includes a guide shaft 21 and a rotation shaft 23. The guide shaft 21 includes opposite sliding ends 211 and connecting ends 212, the sliding ends 211 being movably coupled to the mounting bracket 10 in a first direction, and the connecting ends 212 extending lengthwise in the first direction opposite to the sliding ends 211. The rotation shaft 23 is coupled to the coupling end 212 of the guide shaft 21 to move in the first direction with the guide shaft 21. Wherein the axis of the rotation shaft 23 is parallel to a second direction perpendicular to the first direction.

The deviation rectifying roller 30 comprises a supporting shaft 31 and a deviation rectifying roller 33 rotatably sleeved outside the supporting shaft 31. The supporting shaft 31 is rotatably connected to the rotating shaft 23, and an axis of the supporting shaft 31 is parallel to the first direction. The driving assembly 40 includes a moving member 41 pivotally connected to one end of the support shaft 31. The moving member 41 is controllably movable in a third direction relative to the mounting frame 10. Wherein the third direction is perpendicular to both the first direction and the second direction.

When the material belt deviation rectifying device rectifies the material belt, the moving member 41 is controlled to move along the third direction, so that the support shaft 31 is driven to swing around the rotating shaft 23, and meanwhile, the rotating shaft 23 is driven to move along the first direction along with the guide shaft 21 relative to the mounting frame 10, so that the support shaft 31 is adapted to swing around the rotating shaft 23. That is, the moving motion of the moving member 41 in the third direction is converted into the swinging motion about the rotating shaft 23 and the moving motion in the first direction of the support shaft 31. Moreover, the deviation correcting roller 33 is rotatably sleeved on the supporting shaft 31, so that the deviation correcting roller 33 swings around the rotating shaft 23 along with the supporting shaft 31, the deviation of the material belt passing through the deviation correcting roller 33 is corrected, the improvement of the alignment degree of the battery cell formed by winding is facilitated, and the quality of the battery cell is improved.

It should be noted that, in the material tape deviation rectifying device, the guide shaft 21 separates the swing motion of the support shaft 31 from the movement motion along the first direction, that is, the sliding end 211 of the guide shaft 21 realizes the movement motion along the first direction, and the rotating shaft 23 of the connecting end 212 of the guide shaft 21 realizes the swing motion of the support shaft 31, so that the use of, for example, a slidable and rotatable joint bearing is avoided, which is beneficial to improving the movement precision and stability of the support shaft 31, and thus improving the deviation rectifying precision of the deviation rectifying roller 33.

It can be understood that the material belt deviation rectifying device is not limited to rectifying the material belts of the positive pole piece material belt, the negative pole piece material belt, the diaphragm material belt and the like, and can also be applied to rectifying the deviation of other material belts needing to be rectified, and is not limited herein.

In the embodiment shown in fig. 2, the first direction may be an up-down direction, the second direction may be a direction perpendicular to the paper, and the third direction may be a left-right direction.

In the embodiment of the present invention, the swing assembly 20 further includes a sleeve 24, and the sleeve 24 is fixedly connected to the mounting frame 10. The sliding end 211 of the guide shaft 21 is fitted in the sleeve 24 and is movable in a first direction relative to the sleeve 24. Alternatively, the sleeve 24 may be fixedly mounted to the mounting bracket 10 by a web. Of course, in other embodiments, other assembling methods in the prior art can be used to fixedly connect the sleeve 24 to the mounting frame 10, and is not limited herein.

Further, the swing assembly 20 further includes a ball bushing 25, the ball bushing 25 is sleeved between the sleeve 24 and the sliding end 211 of the guide shaft 21, so that the sliding end 211 of the guide shaft 21 can move in the first direction relative to the sleeve 24 through the ball bushing 25, and the ball bushing 25 enables friction between the guide shaft 21 and the sleeve 24 to be rolling friction, which is beneficial to reducing wear and prolonging service life.

Furthermore, the outer side of the sleeve 24 is further sleeved with a limiting sleeve 26 for limiting the ball bushing 25 and preventing the ball bushing 25 from coming off from one end of the sleeve 24 away from the mounting frame 10.

It should be noted that the movement of the sliding end 211 of the guide shaft 21 relative to the mounting frame 10 in the first direction is not limited to the manner of using the sleeve 24 and the ball bushing 25. In another embodiment, the swing assembly 20 may further include a linear bearing through which the sliding end 211 of the guide shaft 21 may be coupled to the mounting bracket 10, thereby enabling the sliding end 211 of the guide shaft 21 to be movable in the first direction with respect to the mounting bracket 10. The assembly method of the linear bearing is a mature prior art, and therefore, will not be described herein.

In the embodiment of the present invention, the driving assembly 40 further includes a swing frame 45 and a pivot shaft 46. The swing frame 45 is fixedly connected to one end of the support shaft 31 and is pivotally connected to the mounting frame 10 by a pivot shaft 46. Wherein the axis of the pivot shaft 46 is parallel to the second direction. Alternatively, the swing frame 45 is fixedly connected to one end of the support shaft 31 near the mounting frame 10.

Preferably, the axis of the pivot shaft 46 is out of plane with the axis of the support shaft 31. That is, the pivot shaft 46 is located on one side of the rotating shaft 23 in the third direction. In the embodiment shown in fig. 2, the pivot axis 46 is located to the right of the rotating shaft 23. The following takes the embodiment shown in fig. 2 as an example to describe the deviation rectifying process in detail:

when the moving member 41 is controlled to move from left to right, the supporting shaft 31 swings counterclockwise around the rotating shaft 23, and simultaneously the supporting shaft 31 moves downward along with the guiding shaft 21, thereby realizing the deviation correction of the material belt passing through the deviation correcting roller 33. When the moving member 41 is controlled to move from right to left, the supporting shaft 31 swings clockwise around the rotating shaft 23, and simultaneously the supporting shaft 31 moves upwards along with the guiding shaft 21, so that the deviation correction of the material belt passing through the deviation correcting roller 33 is realized. Therefore, the deviation direction and the angle of the material belt can be detected, so that the moving direction and the moving amount of the moving member 41 are controlled to accurately control the swing amount of the supporting shaft 31, and the deviation correction of the material belt wound around the deviation correcting roller 33 is realized.

In one embodiment, the moving member 41 may include two moving members 41, and the two moving members 41 are located at opposite ends of the pivot shaft 46. Thus, the two moving parts 41 can move synchronously to drive the supporting shaft 31 to swing, which is beneficial to improving the stability of movement.

In the embodiment of the present invention, the driving assembly 40 further includes a driving mechanism. The moving member 41 is movably coupled to the mounting frame 10 in the third direction. The driving mechanism is disposed on the mounting frame 10 and is in transmission connection with the moving member 41 to drive the moving member 41 to move along the third direction.

In one embodiment, the driving mechanism includes a lead screw 42, a lead screw nut 43, and a driving member 44. The screw 42 is rotatably connected to the mounting frame 10 about its axis. The lead screw nut 43 is screwed on the lead screw 42 and is fixedly connected with the moving member 41. The driving member 44 is disposed on the mounting frame 10 and is in transmission connection with the lead screw 42 to drive the lead screw 42 to rotate around its axis. Wherein the axis of the lead screw 42 is parallel to the third direction. Thus, the driving member 44 drives the screw rod 42 to rotate forward or backward around its own axis, so that the moving member 41 moves along the screw rod 42 (i.e. moves along the third direction) along with the screw nut 43, which is beneficial to ensuring the accurate control of the moving direction and the moving amount of the moving member 41. Alternatively, the drive 44 may be an electric motor. The driving member 44 may be coupled to one end of the lead screw 42 by a coupling. The other end of the lead screw 42 is mounted to the mounting bracket 10 through a bearing. In addition, the power provided by the motor drives the material belt deviation correcting device to correct the material belt, so that the material belt deviation correcting device is high in response speed and high in deviation correcting efficiency.

Of course, in other embodiments, the moving member 41 can be moved along the third direction by using other types of driving mechanisms, such as a rack and pinion driving mechanism, an electric cylinder driving mechanism, etc., as long as the moving member 41 can be precisely controlled to move along the third direction, which is not limited herein.

In an embodiment, the tape deviation rectifying device further includes a base 50, and the base 50 is fixedly connected to the mounting frame 10. The moving member 41 is mounted on the base 50 through a slide rail 51 and a slide block 52, and the sliding fit between the slide rail 51 and the slide block 52 enables the moving member 41 to move in the third direction. That is, the slide rail 51 is disposed on the base 50, the slider 52 is disposed on the moving member 41, and the slider 52 is slidably fitted on the slide rail 51, so that the moving member 41 can move along the slide rail 51 with the slider 52. It will be appreciated that the longitudinal extension of the slide rail 51 is parallel to the third direction, i.e. to the longitudinal extension of the screw 42. In this way, when the lead screw 42 rotates, the lead screw nut 43 moves along the longitudinal extension direction of the lead screw 42, so as to drive the moving member 41 to move along the longitudinal extension direction of the slide rail 51 along with the slide block 52.

In the embodiment of the present invention, the supporting shaft 31 may be a hollow shaft, and the rotating shaft 23 is rotatably coupled to the supporting shaft 31 around its axis. The connection end 212 extends into the support shaft 31 in the first direction and is fixedly connected with the rotation shaft 23, so that the rotation shaft 23 can move along the first direction along with the guide shaft 21, and the support shaft 31 can swing around the rotation shaft 23. It can be understood that the hole wall of the inner hole of the support shaft 31 can limit the swing of the support shaft 31, so that the hole diameter of the inner hole of the support shaft 31 needs to be reasonably designed according to the actual swing amplitude of the support shaft 31, and is not limited herein.

The embodiment of the utility model provides an in, the back shaft 31 outside is rotationally located to gyro wheel 33 accessible bearing 35 of rectifying to make the rotation of the relative back shaft 31 of gyro wheel 33 of rectifying more smooth and easy, stable.

Further, a locking member 37 is threadedly coupled to an end of the support shaft 31 remote from the mounting bracket 10, and the locking member 37 abuts against the bearing 35, thereby pressing the bearing 35 and preventing the bearing 35 from moving in the axial direction of the support shaft 31. Alternatively, the retaining member 37 may be a retaining nut.

Further, an end cover 39 is disposed on a side of the locking member 37 facing away from the bearing 35, and the end cover 39 abuts an end of the support shaft 31 facing away from the mounting bracket 10. In this way, the end cap 39 abuts on the end of the support shaft 31 remote from the mounting bracket 10, and the support shaft 31 is prevented from moving in the axial direction of the guide shaft 21.

Based on above-mentioned material area deviation correcting device, the utility model discloses still provide a coiling equipment, include as above in arbitrary embodiment material area deviation correcting device. So, utilize this material area deviation correcting device to treat the material area of convoluteing and rectify, be favorable to improving the alignment degree of the electric core of coiling formation, improve electric core quality.

Above-mentioned coiling equipment when need rectifying the material area, control moving member 41 and remove along the third direction to drive back shaft 31 and revolve the swing of pivot 23, drive pivot 23 simultaneously and follow the relative mounting bracket 10 of guiding axle 21 and remove along the first direction, in order to adapt to the swing of back shaft 31 around pivot 23. That is, the moving motion of the moving member 41 in the third direction is converted into the swinging motion about the rotating shaft 23 and the moving motion in the first direction of the support shaft 31. Moreover, the deviation correcting roller 33 is rotatably sleeved on the supporting shaft 31, so that the deviation correcting roller 33 swings around the rotating shaft 23 along with the supporting shaft 31, the deviation of the material belt passing through the deviation correcting roller 33 is corrected, the improvement of the alignment degree of the battery cell formed by winding is facilitated, and the quality of the battery cell is improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a material area deviation correcting device which characterized in that includes:

a mounting frame;

the swinging assembly comprises a guide shaft and a rotating shaft, the guide shaft comprises opposite sliding ends and connecting ends, the sliding ends are movably connected to the mounting frame along a first direction, and the connecting ends extend lengthways along the first direction relative to the sliding ends; the rotating shaft is connected to the connecting end, and the axis of the rotating shaft is parallel to a second direction perpendicular to the first direction;

the deviation rectifying roller comprises a supporting shaft and a deviation rectifying roller which is rotatably sleeved outside the supporting shaft; the supporting shaft is rotatably connected to the rotating shaft, and the axis of the supporting shaft is parallel to the first direction; and

and the driving component comprises a moving member which is pivotally connected with one end of the supporting shaft, the moving member can be controlled to move along a third direction relative to the mounting frame, and the third direction is vertical to the first direction and the second direction.

2. The tape deviation rectifying device of claim 1, wherein the swing assembly further comprises a sleeve, the sleeve is connected to the mounting frame, and the sliding end of the guiding shaft is sleeved in the sleeve and is movable in the first direction relative to the sleeve.

3. The tape deviation rectifying device of claim 2, wherein said swing assembly further comprises a ball bushing, said ball bushing is sleeved between said sleeve and said sliding end of said guiding shaft.

4. The tape deviation rectifying device of claim 1, wherein the swing assembly further comprises a linear bearing, and the sliding end of the guiding shaft is coupled to the mounting frame through the linear bearing.

5. The material belt deviation rectifying device of claim 1, wherein the driving assembly further comprises a swing frame and a pivot shaft, the swing frame is connected to one end of the supporting shaft and pivotally connected to the moving member through the pivot shaft, and an axis of the pivot shaft is parallel to the second direction.

6. The material belt deviation correcting device of claim 5, wherein the axis of the pivot shaft is different from the axis of the support shaft.

7. The tape deviation rectifying device of claim 5, wherein said moving member comprises two, and two of said moving members are located at opposite ends of said pivot shaft.

8. The material belt deviation rectifying device of claim 1, wherein the driving assembly further comprises a driving mechanism, the moving member is movably connected to the mounting frame along the third direction, and the driving mechanism is disposed on the mounting frame and is in transmission connection with the moving member.

9. The material belt deviation correcting device of claim 8, wherein the driving mechanism comprises a screw rod, a screw nut and a driving member, the screw rod is rotatably connected to the mounting frame around its axis, the screw nut is connected to the screw rod by a screw thread and is connected to the driving member, and the driving member is disposed on the mounting frame and is in transmission connection with the screw rod;

wherein the axis of the lead screw is parallel to the third direction.

10. A winding plant, characterized in that it comprises a strip deviation correction device according to any one of claims 1 to 9.

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