CN216004652U - Feeding auxiliary mechanism and winding equipment - Google Patents

Abstract

The utility model relates to a feeding auxiliary mechanism which comprises a transfer seat, a sliding seat, a first mounting bracket, an elastic part, a deviation rectifying shaft and a deviation rectifying compression roller. The hinged end and the slide of first installing support are rotationally connected, and when the slide moved along first direction, the pinch roller of rectifying was close to the one end of movable end can with the fixed roll butt of rectifying, then the fixed roll of rectifying can promote the pinch roller of rectifying and revolve the axis of rotation along with first installing support, and the pinch roller is parallel with the fixed roll of rectifying until rectifying. The pole piece is through rectifying between the pinch roller and the fixed roll of rectifying, because the pinch roller of rectifying this moment is parallel between the fixed roll of rectifying with rectifying, so can improve the precision of rectifying to the pole piece of the pinch roller of rectifying and the fixed roll of rectifying, avoid rectifying bad damage utmost point ear, can not influence the margin distance of electric core on the coiling station, can avoid the pole piece to fall whitewashed moreover. The utility model also relates to a winding plant.

Description

Feeding auxiliary mechanism and winding equipment

Technical Field

The utility model relates to the technical field of battery manufacturing equipment, in particular to a feeding auxiliary mechanism and winding equipment.

Background

In the winding process of the lithium battery, the pole piece and the diaphragm need to be combined, namely, the pole piece and the diaphragm pass between two clamping rollers. The pole piece is input between the two clamping rollers through the two deviation rectifying rollers, but the parallelism between the two deviation rectifying rollers is difficult to guarantee at present, so that the powder falling of the pole piece or the deviation rectifying precision influence during deviation rectifying.

SUMMERY OF THE UTILITY MODEL

On the basis, the feeding auxiliary mechanism and the winding equipment which can ensure the parallelism of the deviation correcting rollers so as to improve the deviation correcting precision and avoid the powder falling of the pole pieces are provided in order to solve the problem that the parallelism of two deviation correcting rollers is difficult to guarantee when the pole pieces are fed at present.

A feed assist mechanism comprising:

a transfer seat;

the sliding seat is connected to the load moving seat in a reciprocating manner along a first direction;

a first mounting bracket having a hinged end and a movable end opposite in a second direction, the hinged end being rotatably connected to the slide about an axis of rotation perpendicular to the first and second directions;

the elastic piece is connected between the movable end and the sliding seat;

the deviation correcting shaft is connected to the first mounting bracket in a reciprocating manner along the second direction; and

the deviation rectifying and pressing roller is rotatably connected to the deviation rectifying shaft and longitudinally extends along the second direction, the deviation rectifying and pressing roller can be abutted against a deviation rectifying fixed roller along with the sliding seat in the process of reciprocating along the first direction, and the deviation rectifying fixed roller longitudinally extends along a third direction perpendicular to the rotating axis;

the elastic piece is used for providing elastic force for enabling the movable end to be close to the deviation rectifying fixed roller, and the first direction is different from the second direction and the third direction.

Through setting up foretell pan feeding complementary unit, the hinged end and the slide of first installing support are rotationally connected, and first direction, second direction and third direction all are perpendicular with the axis of rotation, and first direction, second direction and third direction are located the coplanar promptly, so first installing support has around the axis of rotation pivoted in-process and makes the parallel position of pinch roll and the fixed roll of rectifying a deviation. The slide moves along first direction and makes the pinch roller butt of rectifying when rectifying the fixed roll, because the expansion end passes through the elastic component and is connected with the slide, the expansion end can be close to the fixed roll of rectifying, and the pinch roller of rectifying is close to the one end of expansion end can with the fixed roll butt of rectifying, then the fixed roll of rectifying can promote the pinch roller of rectifying and can revolute the axis of rotation along with first installing support and rotate, and is parallel with the fixed roll of rectifying until the pinch roller of rectifying. The pole piece is through rectifying between the pinch roller and the fixed roll of rectifying, because the pinch roller of rectifying this moment is parallel between the fixed roll of rectifying with rectifying, so can improve the precision of rectifying to the pole piece of the pinch roller of rectifying and the fixed roll of rectifying, avoid rectifying bad damage utmost point ear, can not influence the margin distance of electric core on the coiling station, can avoid the pole piece to fall whitewashed moreover.

In one embodiment, the feeding auxiliary mechanism further includes a limiting shaft, one end of the limiting shaft is fixedly connected to the slide seat, the movable end is provided with a limiting hole, the limiting shaft penetrates through the limiting hole, and the diameter of the limiting hole is larger than the radial size of the limiting shaft.

In one embodiment, the feeding auxiliary mechanism further comprises a limiting block, and the limiting block is fixedly connected to the other end, away from the sliding seat, of the limiting shaft so as to limit the first mounting bracket to move along the axial direction of the limiting shaft.

In one embodiment, the feeding assisting mechanism further includes a limiting wheel and a limiting plate, the limiting wheel is disposed on the sliding seat, the limiting plate is connected to the first mounting bracket, the limiting plate is provided with a limiting hole extending lengthwise in a direction perpendicular to the rotation axis, and the limiting wheel is rollably disposed in the limiting hole, so that the limiting plate moves in a plane perpendicular to the rotation axis.

In one embodiment, the feeding auxiliary mechanism further comprises a fixed block, the fixed block is fixedly connected to the sliding seat, the fixed block is located on one side, away from the deviation rectifying fixed roller, of the first mounting bracket along the first direction, and the elastic part is connected between the movable end and the fixed block.

In one embodiment, the feeding auxiliary mechanism further includes a first driving member disposed on the carriage and in transmission connection with the slide.

In one embodiment, the feeding assisting mechanism further includes a second mounting bracket and a first clamping roller, the second mounting bracket is connected to the transfer base in a reciprocating manner along the first direction, the first clamping roller is rotatably connected to the second mounting bracket, the first clamping roller extends lengthwise along the third direction, and the first clamping roller can abut against a matching roller extending lengthwise along the third direction in a process of reciprocating along the first direction along with the second mounting bracket.

In one embodiment, the feeding auxiliary mechanism further comprises a mounting frame, and the transfer seat is connected to the mounting frame in a reciprocating manner along a fourth direction so as to drive the deviation-correcting pressing roller to be close to and far away from the deviation-correcting fixed roller.

In one embodiment, the feeding auxiliary mechanism further includes a third mounting bracket and a second nip roller, the third mounting bracket is connected to the transfer base, the second nip roller is rotatably connected to the third mounting bracket, and the second nip roller can abut against the third nip roller which lengthily extends in the third direction in the process of reciprocating along the first direction with the transfer base.

A winding device comprises the feeding auxiliary mechanism.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic top view of a feeding assisting mechanism according to an embodiment of the present invention;

FIG. 2 is a schematic bottom view of the feeding assist mechanism shown in FIG. 1;

FIG. 3 is a schematic front view of the auxiliary feeding mechanism shown in FIG. 1;

fig. 4 is a schematic structural diagram of a winding apparatus according to an embodiment of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

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," "secured," and the like are to be construed broadly and can, 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. 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.

As shown in fig. 1, a feeding assisting mechanism 100 according to an embodiment of the present invention includes a carriage 11, a sliding base 12, a first mounting bracket 13, an elastic member 14, a deviation-correcting shaft 15, and a deviation-correcting pinch roller 16.

The slide base 12 is connected to the transfer base 11 in a reciprocating manner along a first direction, the first mounting bracket 13 has a hinged end 131 and a movable end 132 opposite to each other along a second direction, the hinged end 131 is rotatably connected to the slide base 12 around a rotation axis perpendicular to the first direction and the second direction, the deviation correcting shaft 15 is connected to the first mounting bracket 13 in a reciprocating manner along the second direction, the deviation correcting pressing roller 16 is rotatably connected to the deviation correcting shaft 15 and extends lengthwise along the second direction, the deviation correcting pressing roller 16 can abut against a deviation correcting fixing roller 200 (see fig. 4) during the reciprocating movement of the slide base 12 along the first direction, and the deviation correcting fixing roller 200 extends lengthwise along a third direction perpendicular to the rotation axis.

The elastic member 14 is connected between the movable end 132 and the sliding base 12 for providing an elastic force to make the movable end 132 close to the deflection correcting fixed roller 200.

The first direction is different from the second direction and the third direction, specifically, the first direction is a left-right direction in fig. 1, the rotation axis is an axis perpendicular to the paper surface in fig. 1, and the second direction and the third direction are the same in the embodiment shown in fig. 1 and are both vertical directions in fig. 1.

Through setting up foretell pan feeding complementary unit, the hinged end 131 and the slide 12 of first installing support 13 are rotationally connected, and first direction, second direction and third direction all are perpendicular with the axis of rotation, and first direction, second direction and third direction are located the coplanar, so first installing support 13 has the parallel position that makes the pinch roller 16 of rectifying and the fixed roll 200 of rectifying parallel around the rotatory in-process of axis of rotation. When the sliding base 12 moves along the first direction, so that the deviation-rectifying pressing roller 16 abuts against the deviation-rectifying fixed roller 200, because the movable end 132 is connected with the sliding base 12 through the elastic part 14, the movable end 132 can be close to the deviation-rectifying fixed roller 200, one end of the deviation-rectifying pressing roller 16 close to the movable end 132 can abut against the deviation-rectifying fixed roller 200, and then the deviation-rectifying fixed roller 200 can push the deviation-rectifying pressing roller 16 to rotate around the rotation axis along with the first mounting bracket 13 until the deviation-rectifying pressing roller 16 is parallel to the deviation-rectifying fixed roller 200. The pole piece is through rectifying between the pinch roller 16 and the fixed roll 200 of rectifying, because the pinch roller 16 of rectifying this moment is parallel between the fixed roll 200 of rectifying with rectifying, so can improve the precision of rectifying to the pole piece of the pinch roller 16 of rectifying and the fixed roll 200 of rectifying, avoid rectifying bad damage utmost point ear, can not influence the margin distance of electric core on the coiling station, can avoid the pole piece to fall whitewashed moreover.

It should be explained that, in the present embodiment, the first direction, the second direction and the third direction are all perpendicular to the rotation axis, so the first direction, the second direction and the third direction are the same plane direction, and the second direction is a variable direction, and the second direction can be parallel to the third direction in the process of changing the second direction, that is, when the first mounting bracket 13 rotates to the parallel position, the second direction is parallel to the third direction, and at this time, the deviation rectification pressing roller 16 is parallel to the deviation rectification fixing roller 200.

The third direction is different from the first direction, and the third direction is preferably perpendicular to the first direction, but in other embodiments, the angle between the third direction and the first direction may be other angles, and is not limited herein.

In some embodiments, the feeding assisting mechanism further includes a mounting frame 17, and the carriage 11 is connected to the mounting frame 17 in a reciprocating manner along the fourth direction to drive the deviation-correcting pressing roller 16 to approach and depart from the deviation-correcting fixed roller 200, so that the slide 12 drives the deviation-correcting pressing roller 16 to abut against the deviation-correcting fixed roller 200 after the deviation-correcting pressing roller 16 approaches the deviation-correcting fixed roller 200.

In this embodiment, the fourth direction is the same as the first direction, but in other embodiments, the fourth direction may also be different from the first direction, and is not limited herein.

Referring to fig. 1 and 2, in some embodiments, the feeding assisting mechanism further includes a main driving assembly disposed on the mounting frame 17 and in transmission connection with the transfer seat 11 to drive the transfer seat 11 to move back and forth along the first direction.

In practical application, total drive assembly includes driving motor 18, lead screw 19, nut 20 and connecting block 21, and driving motor 18 sets up in mounting bracket 17, and nut 20 passes through connecting block 21 to be connected in the seat 11 that carries that moves, and 19 one end fixed connection of lead screw are in driving end of driving motor 18, nut 20 and 19 screw-thread fit of lead screw.

In some embodiments, the feeding assisting mechanism further includes a first driving member 22, the first driving member 22 is disposed on the carriage 11 and is in transmission connection with the carriage 12 to drive the carriage 12 to move back and forth along the first direction. In practice, the first drive member 22 is a cylinder.

In some embodiments, the feeding assisting mechanism further includes a fixing block 23, the fixing block 23 is fixedly connected to the sliding base 12, the fixing block 23 is located on a side of the first mounting bracket 13 away from the deviation-correcting fixed roller 200 along the first direction, and the elastic member 14 is connected between the movable end 132 and the fixing block 23, so as to provide an elastic force for making the movable end 132 close to the deviation-correcting fixed roller 200.

In practical application, the first driving member 22 is in transmission connection with the fixed block 23.

In some embodiments, the resilient member 14 is a spring loaded plunger.

In some embodiments, the feeding assist mechanism further comprises a shaft 24, the shaft 24 is fixedly connected to the carriage 12, and the first mounting bracket 13 is rotatably connected to the shaft 24 about a rotation axis.

In some embodiments, the feeding assisting mechanism further includes a limiting shaft 25, one end of the limiting shaft 25 is fixedly connected to the sliding seat 12, the movable end 132 is provided with a limiting hole, the limiting shaft 25 is disposed through the limiting hole, and the diameter of the limiting hole is larger than the radial dimension of the limiting shaft 25, so that the range of rotation of the first mounting bracket 13 around the rotation axis is limited by the cooperation of the limiting shaft 25 and the limiting hole.

It should be explained that the aperture of the limiting hole on the first mounting bracket 13 is larger than the radial dimension of the limiting shaft 25, and the limiting shaft 25 is fixedly connected to the sliding seat 12, so that the first mounting bracket 13 can move relative to the limiting shaft 25, and at the same time, since the first mounting bracket 13 is rotatably connected to the sliding seat 12 around the rotation axis, the limiting shaft 25 and the limiting hole cooperate to achieve the limitation of the rotation range of the first mounting bracket 13.

It should be noted that, in the present embodiment, the limiting hole is a circular hole, and the third direction is perpendicular to the first direction, so the range of rotation of the first mounting bracket 13 does not need to be too large. In other embodiments, the limiting hole may also be an arc-shaped hole, and the circle center corresponding to the arc-shaped hole is located on the rotation axis.

Referring to fig. 1 and fig. 3, in some embodiments, the feeding auxiliary mechanism further includes a limiting block 26, and the limiting block 26 is fixedly connected to the other end of the limiting shaft 25 away from the sliding base 12 to limit the first mounting bracket 13 to move along the axial direction of the limiting shaft 25, so as to ensure that the first mounting bracket 13 moves on a plane perpendicular to the rotation axis, and prevent the deviation-correcting pressure roller 16 on the first mounting bracket 13 from deviating.

In other embodiments, the feeding assisting mechanism further includes a limiting wheel 27 and a limiting plate 28, the limiting wheel 27 is disposed on the sliding base 12, the limiting plate 28 is connected to the first mounting bracket 13, the limiting plate 28 is formed with a matching hole 281 extending lengthwise in a direction perpendicular to the rotation axis, the limiting wheel 27 is rollably disposed in the matching hole 281, so that the limiting plate 28 moves on a plane perpendicular to the rotation axis.

Further, the feeding auxiliary mechanism further comprises a limiting seat 29, the limiting seat 29 is fixedly connected to the sliding seat 12, the limiting wheel 27 is rotatably arranged on the limiting seat 29, and the limiting wheel 27 extends into the matching hole 281.

In practical application, the limiting wheel 27 is a cam, the matching hole 281 is a strip-shaped hole, and the part of the cam extending into the strip-shaped hole is the same as the width of the strip-shaped hole, so that the limiting plate 28 moves on a plane perpendicular to the rotation axis, and the first mounting bracket 13 moves on the plane perpendicular to the rotation axis.

It should be noted that the limiting wheel 27 and the limiting plate 28 can enable the limiting plate 28 to move along a plane perpendicular to the rotation axis, so that the limiting block 26 does not need to be arranged. Meanwhile, the preferred embodiment is a mode in which the limiting wheel 27 is engaged with the limiting plate 28.

Referring to fig. 3, in some embodiments, the feeding assisting mechanism further includes a second mounting bracket 30 and a first clamping roller 31, the second mounting bracket 30 is connected to the transfer base 11 in a reciprocating manner along the first direction, the first clamping roller 31 is rotatably connected to the second mounting bracket 30, the second clamping roller 34 extends lengthwise along the third direction, and the second clamping roller 34 can abut against a matching roller 300 (see fig. 4) extending lengthwise along the third direction during the process of reciprocating along the first direction with the second mounting bracket 30, so as to compress the diaphragm and the pole piece passing through the deviation-correcting fixing roller 200 and the deviation-correcting pressing roller 16.

In some embodiments, the feeding assisting mechanism further includes a second driving member 32, and the second driving member 32 is disposed on the transferring base 11 and is in transmission connection with the second mounting bracket 30 to drive the second mounting bracket 30 to move back and forth along the first direction. In practice, the second drive member 32 is a cylinder.

In some embodiments, the feeding assisting mechanism further includes a third mounting bracket 33 and a second nip roller 34, the third mounting bracket 33 is disposed on the transfer seat 11, the second nip roller 34 is rotatably connected to the third mounting bracket 33, and the second nip roller 34 can abut against the third nip roller 34 extending lengthwise along the third direction during the process of reciprocating along the transfer seat 11 along the first direction, so as to extrude and combine the two pole piece material strips and the two diaphragms.

It should be noted that, the process that the total driving assembly drives the transfer seat 11 to reciprocate along the first direction has a film combining position, and when the transfer seat 11 is located at the film combining position, the second nip roller 34 and the third nip roller 34 are close to each other, and can extrude two pole piece material belts and two diaphragms to realize film combining.

Based on the feeding auxiliary mechanism, the utility model further provides a winding device, and the winding device comprises the feeding auxiliary mechanism in the embodiment.

The structure of the winding apparatus is described with reference to fig. 4, and the winding apparatus includes two feeding auxiliary mechanisms, two deviation-correcting fixed rollers 200, two matching rollers 300 and a winding mechanism 400, the two deviation-correcting fixed rollers 200 and the two matching rollers 300 are arranged at intervals in the left-right direction, and the two feeding auxiliary mechanisms are also arranged at intervals in the left-right direction, one of the feeding auxiliary mechanisms has a second clamping roller 34, and the other feeding auxiliary mechanism has a third clamping roller 34.

For convenience of understanding, the deviation-correcting pinch roller 16 and the first pinch roller 31 in the left feeding auxiliary mechanism in fig. 4 are named as a left deviation-correcting pinch roller 16 and a first left pinch roller, the deviation-correcting fixed roller 200 and the matching roller 300 on the left side are named as a left deviation-correcting fixed roller 200 and a left matching roller 300 respectively, the pole piece and the diaphragm input on the left side are a first pole piece and a first diaphragm, and the pole piece and the diaphragm input on the right side are a second pole piece and a second diaphragm.

Two pan feeding complementary units move to and membrane position towards the centre, and left deviation rectifying pinch roller 16 is close to and butt in left deviation rectifying fixed roll 200 to centre gripping first pole piece, rectify an error the first pole piece of input, and first diaphragm and the first pole piece after rectifying input between first left pinch roller and the left cooperation roller 300 for first diaphragm and first pole piece compress tightly and form first compound material area. The right side similarly compresses the second pole piece and the second membrane to form a second composite strip, and the first composite strip and the second composite strip are then fed into the winding mechanism 400.

It should be noted that the second nip roller 34 and the third nip roller 34 are actually the same structure in the two feeding auxiliary mechanisms, and therefore the same reference numerals are used.

In addition, when the first pole piece is a positive pole piece, the second pole piece is a negative pole piece, and when the first pole piece is a negative pole piece, the second pole piece is a positive pole piece.

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 express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A pan feeding complementary unit, its characterized in that includes:

a transfer seat;

the sliding seat is connected to the load moving seat in a reciprocating manner along a first direction;

a first mounting bracket having a hinged end and a movable end opposite in a second direction, the hinged end being rotatably connected to the slide about an axis of rotation perpendicular to the first and second directions;

the elastic piece is connected between the movable end and the sliding seat;

the deviation correcting shaft is connected to the first mounting bracket in a reciprocating manner along the second direction; and

the deviation rectifying and pressing roller is rotatably connected to the deviation rectifying shaft and longitudinally extends along the second direction, the deviation rectifying and pressing roller can be abutted against a deviation rectifying fixed roller along with the sliding seat in the process of reciprocating along the first direction, and the deviation rectifying fixed roller longitudinally extends along a third direction perpendicular to the rotating axis;

the elastic piece is used for providing elastic force for enabling the movable end to be close to the deviation rectifying fixed roller, and the first direction is different from the second direction and the third direction.

2. A feeding assisting mechanism according to claim 1, further comprising a limiting shaft, wherein one end of the limiting shaft is fixedly connected to the slide base, the movable end is provided with a limiting hole, the limiting shaft is arranged in the limiting hole in a penetrating manner, and the diameter of the limiting hole is larger than the radial dimension of the limiting shaft.

3. A feeding assisting mechanism according to claim 2, further comprising a limiting block, wherein the limiting block is fixedly connected to the other end of the limiting shaft away from the slide seat to limit the first mounting bracket to move along the axial direction of the limiting shaft.

4. A feeding assisting mechanism as claimed in claim 1, further comprising a limiting wheel and a limiting plate, wherein the limiting wheel is disposed on the sliding seat, the limiting plate is connected to the first mounting bracket, the limiting plate is provided with a limiting hole extending lengthwise in a direction perpendicular to the rotation axis, and the limiting wheel is rollably disposed in the limiting hole to enable the limiting plate to move in a plane perpendicular to the rotation axis.

5. A feeding assisting mechanism as claimed in claim 1, further comprising a fixing block, wherein the fixing block is fixedly connected to the slide carriage, the fixing block is located on a side of the first mounting bracket away from the deviation correcting fixing roller along the first direction, and the elastic member is connected between the movable end and the fixing block.

6. A feeding assist mechanism as set forth in claim 1, further comprising a first drive member disposed on the carriage and drivingly connected to the carriage.

7. A feeding assisting mechanism according to claim 1, further comprising a second mounting bracket and a first nip roller, wherein the second mounting bracket is connected to the carriage in a reciprocating manner along the first direction, the first nip roller is rotatably connected to the second mounting bracket, the first nip roller extends lengthwise along the third direction, and the first nip roller can abut against a mating roller extending lengthwise along the third direction during reciprocating movement of the first nip roller along with the second mounting bracket along the first direction.

8. A feeding assisting mechanism as claimed in claim 1, further comprising a mounting bracket, wherein the carriage is connected to the mounting bracket for reciprocal movement in a fourth direction to drive the offset pinch roller towards and away from the offset stationary roller.

9. A feeding assisting mechanism according to claim 8, further comprising a third mounting bracket and a second nip roller, wherein the third mounting bracket is connected to the transfer base, the second nip roller is rotatably connected to the third mounting bracket, and the second nip roller can abut against a third nip roller which extends lengthwise in the third direction during the process of reciprocating the transfer base in the first direction.

10. A winding apparatus comprising the feed assist mechanism of any one of claims 1-9.

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