CN218465223U - Winding device - Google Patents

Abstract

The utility model discloses a winding device. The utility model discloses a winding device which comprises a winding shaft and a pinch roller component; the pinch roller assembly comprises a pinch roller, and the pinch roller is arranged outside the rolling shaft; the pinch roller can be close to or keep away from along the radial movement of rolling axle the rolling axle, and the pinch roller can be in with the axial direction parallel's of rolling axle direction removes. Moreover, a belt connecting component is arranged, and a dust suction pipe is arranged on the belt connecting component. The utility model discloses a pinch roller among coiling mechanism's the pinch roller subassembly can be right the epaxial rolling material of rolling is rolled up and is carried out compressing tightly of adaptability and remove the regulation, guarantees right the epaxial each type of rolling material of rolling is rolled up and all can be realized the effect of effectual compressing tightly completely, uses the flexibility height. Moreover, the dust absorption pipe in the splicing assembly can effectively adsorb and remove dust generated by cutting in the splicing process, so that the dust is prevented from being scattered in the working environment or adsorbed on the pole piece belt.

Description

Winding device

Technical Field

The utility model relates to a rolling equipment technical field, concretely relates to coiling mechanism.

Background

In the production process of the lithium battery pole piece, the pole piece which is manufactured needs to be rolled. At present, a winding shaft is arranged in an adopted winding device, and a pressing wheel is arranged outside the winding shaft in a matched mode so as to compress a material roll in real time in the winding process, so that the material roll is prevented from being loose.

However, the positions of the pressing wheel and the winding shaft in the radial direction, which are arranged in a matching manner in the existing winding device, are relatively fixed, that is, the pressing wheel and the winding shaft can only swing and move from the fixed radial direction of the winding shaft to be close to the winding shaft to compress a material roll, when the axial position of the material roll on the winding shaft changes, the pressing wheel cannot completely compress the wound material roll, even the material roll is biased, and the material roll is more easily loosened due to winding deviation. Particularly, when the winding shaft adopts a slip shaft which can realize winding on the cut small-size pole pieces, the pressing wheel which is arranged in a traditional matching way can not realize the completely corresponding pressing effect on the cut winding material rolls at different slip positions on the winding shaft, so that the winding effect is reduced.

In addition, the supporting tape splicing mechanism lacks dust removal mechanism's setting usually in traditional coiling mechanism, and the dust that produces after accomplishing the tape splicing cutting often directly drifts in production operational environment to adsorb easily on the pole piece area, cause serious influence to environment and product quality.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the lithium-ion battery pole piece coiling mechanism among the prior art and having the use flexibility of pinch roller low, to the rolling material roll compress tightly the utility single, can't satisfy the rolling demand that compresses tightly of the material roll of more sizes or more rolling circumstances to and there is dust collecting equipment to lack and lead to influencing rolling production environment and product quality's problem, the utility model provides a coiling mechanism.

The purpose of the utility model is realized through the following technical scheme.

A winding device comprises a winding shaft and a pressing wheel assembly;

the pinch roller assembly comprises a pinch roller, and the pinch roller is arranged outside the winding shaft; the pinch roller can be close to or keep away from along the radial movement of rolling axle the rolling axle, and the pinch roller can be in with the axial direction parallel's of rolling axle direction removes.

In a preferred embodiment, a pinch roller drive is provided; the pinch roller driving piece can drive the pinch roller to move in the radial direction of the winding shaft.

In a further preferred embodiment, the pinch roller support is arranged on a pinch roller swing arm; the pinch roller driving piece is in transmission connection with the pinch roller swing arm and can drive the pinch roller swing arm to swing; the pinch roller can swing along with the pinch roller swing arm.

In a preferred embodiment, the pressure wheel assembly is slidably disposed on a slide rail and can move along the slide rail in a direction parallel to the axial direction of the winding shaft.

In a further preferred embodiment, a guide post is provided; the pinch roller assembly is arranged on the guide post in a sliding mode, and the guide post can guide the movement of the pinch roller assembly in the direction parallel to the axial direction of the winding shaft.

In a further preferred embodiment, the pinch roller assembly is supported and arranged on the slide rail through a support frame; wherein the support frame is provided with a pinch roller driving piece; the pinch roller is movably connected to the supporting frame through a pinch roller swing arm; the pinch roller driving piece is in transmission connection with the pinch roller swing arm and can drive the pinch roller swing arm to swing.

In a further preferred embodiment, the slide rail includes a first slide rail and a second slide rail, and two ends of the support frame are slidably disposed on the first slide rail and the second slide rail.

In a preferred embodiment, a displacement sensor is provided; the displacement sensor can monitor the moving displacement of the pinch roller in the direction parallel to the axial direction of the winding shaft so as to determine the position of the pinch roller in real time.

In a preferred embodiment, in the winding device of any one of the above embodiments, the take-up reel is externally provided with a tape splicing assembly; the tape splicing assembly comprises a pressing roller and a cutter which are arranged on a tape splicing swing arm, and the pressing roller and the cutter can be driven by a pressing roller driving part and a cutter driving part respectively to swing relative to the tape splicing swing arm; and a dust suction pipe corresponding to the cutter is arranged on the tape connecting swing arm, and a dust suction opening facing the cutter is formed in the dust suction pipe.

In a preferred embodiment, in the winding device of any one of the above embodiments, the winding shaft and the pressing wheel assembly are disposed on a winding turntable; the winding shaft is movably arranged on the winding turntable and can be driven by a reel driving piece to rotate relative to the winding turntable; the rolling shaft comprises a plurality of rolling shafts, the pressing wheel assembly comprises a plurality of groups in one-to-one correspondence with the rolling shafts, and the rolling rotary disc can be driven by a rotary disc driving piece to rotate.

In a further preferred embodiment, a plurality of groups of rollers are arranged on the winding turntable, and the rollers of the groups correspond to the winding shafts one by one.

Compared with the prior art, the utility model has the advantages of as follows and beneficial effect:

the utility model discloses a coiling mechanism sets up the pinch roller subassembly at the epaxial external supporting of rolling, and wherein the pinch roller of pinch roller subassembly can be followed the radial movement of rolling axle and be close to or keep away from the rolling axle to roll up the epaxial rolling material of rolling and compress tightly when being close to the rolling axle. And, pinch roller subassembly back-and-forth movement in the axially parallel direction of rolling axle to the material of rolling up the epaxial different rolling sizes of rolling up or the material of rolling up epaxial different positions of rolling up, especially the pole piece material book is cut to the small-size of rolling up on the rolling axle, carries out the compressing tightly of adaptability and adjusts, thereby guarantees to roll up all can realize the effect of compressing tightly completely effectual to the epaxial each type of rolling material of rolling up, uses the flexibility high, makes the coiling scope that this coiling mechanism can adapt to wider.

Moreover, in the supporting splicing assembly of this coiling mechanism, it is provided with the dust absorption pipe to correspond the compression roller, can carry out effective absorption dust removal to the dust that takes the in-process cutting to produce, avoids the dust to scatter in operational environment or adsorb on the pole piece area to the pole piece quality of guarantee production and operational environment's air quality.

Drawings

FIG. 1 is a schematic perspective view of a winding device in which a winding shaft and a pinch roller assembly are disposed on a winding turntable in an embodiment;

FIG. 2 is a schematic rear view of a winding device with a winding shaft and a pressing wheel assembly disposed on a winding turntable in an embodiment;

FIG. 3 is a schematic perspective view of the pinch roller assembly disposed on the slide rail;

FIG. 4 is a schematic front view of the pinch roller assembly disposed on the slide rail;

FIG. 5 is a schematic structural view of a winding device with a splicing assembly in an embodiment;

FIG. 6 is a schematic view of the tape splicing assembly;

the attached drawings are marked as follows: 1-winding turntable, 2-turntable driving member, 3-winding shaft, 4-scroll driving member, 5-gear, 6-belt, 7-pinch roller assembly, 71-pinch roller, 72-pinch roller driving member, 73-pinch roller swing arm, 8-first slide rail, 9-second slide rail, 10-support frame, 11-mounting seat, 12-guide pillar, 13-displacement sensor, 14-passing roller, 15-splicing assembly, 151-splicing swing arm, 152-swing arm driving member, 153-pressing roller, 154-cutting knife, 155-pressing roller driving member, 156-cutting knife driving member, 157-dust-collecting pipe, 16-material coil.

Detailed Description

The technical solution of the present invention will be described in further detail with reference to the following specific examples and drawings, but the scope and implementation of the present invention are not limited thereto.

In the description of the specific embodiments, it should be noted that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the structures or elements that are referred to must have specific orientations, be constructed in specific orientations, and be operated, and therefore are not to be construed as limiting the present invention, nor indicating or implying relative importance.

Unless expressly stated or limited otherwise, the terms "mounted," "disposed," "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixed and removable connections or integral parts thereof; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. Additionally, where the term "and/or" is used, all references herein are to the inclusion of any and all combinations of one or more of the associated listed items.

The utility model discloses a coiling mechanism can be used to the rolling of pole piece, including the rolling of cutting the pole piece. Obviously, the application of the winding device of the present invention is not limited to this, and the winding device is also applicable to similar windings including foils, films, etc.

Example one

The winding device of the present invention, please refer to fig. 1 and 2, comprises a winding shaft 3 and a pressing wheel assembly 7. The pinch roller assembly 7 is matched with the winding shaft 3, and can compress a material roll 16 on the winding shaft 3 in real time when the winding shaft 3 winds, so that the material roll 16 is prevented from being loose.

The take-up reel 3 is a reel having a length extending forward and backward, such as a slip reel. Specifically, the pressure roller assembly 7 includes a pressure roller 71, the pressure roller 71 is disposed outside the winding shaft 3, and the pressure roller 71 has an axial direction parallel to the winding shaft 3. Wherein, the pinch roller 71 can move close to or far from the winding shaft 3 along the radial direction of the winding shaft 3, and further, the pinch roller 71 can move in the direction parallel to the axial direction of the winding shaft 3.

When the winding shaft 3 winds, the pressing wheel 71 can firstly move close to and press the material roll 16 in the radial direction of the winding shaft 3, and can gradually move away from the winding shaft 3 along with the increase of the roll diameter while keeping the pressing of the material roll 16 in the process that the roll diameter of the material roll 16 gradually increases along with the winding process. Before the material roll 16 which is not close to the winding shaft 3 is compressed, the pressing wheel 71 can move and adjust in the direction parallel to the axial direction of the winding shaft 3 according to the axial size of the material roll 16 on the winding shaft 3 or the position of the material roll 16 on the winding shaft 3, such as a slitting pole piece with smaller axial size, so as to align the position of the material roll 16 on the winding shaft 3, thereby being capable of ensuring that the material roll 16 is compressed effectively and uniformly in the winding process, ensuring that the material rolls 16 with different winding sizes on the winding shaft 3 or the material rolls 16 and other various types of winding material rolls with different positions on the winding shaft 3 can be completely and effectively compressed, and having high use flexibility and wider applicable winding range of the winding device.

In the preferred embodiment, puck assembly 7 has a puck drive member 72 disposed thereon, and puck drive member 72 is optionally, but not limited to, an air cylinder. And the pinch roller driving part 72 is in transmission connection with the pinch roller 71, and the pinch roller driving part 72 can drive the pinch roller 71 to move in the radial direction of the winding shaft 3, so that the pinch roller 71 can move close to or far away from the winding shaft 3 in the radial direction of the winding shaft 3.

Specifically, pinch roller 71 supports and sets up on pinch roller swing arm 73, and wherein pinch roller swing arm 73 sets up in the outside of rolling axle 3, and pinch roller swing arm 73's one end activity sets up and can swing around the axle, and pinch roller 71 is connected on pinch roller swing arm 73's the other end, and pinch roller driving piece 72 is connected with pinch roller swing arm 73 transmission, and when pinch roller driving piece 72 drive pinch roller swing arm 73 swung, pinch roller 71 can swing along with pinch roller swing arm 73, and the plane that pinch roller swing arm 73 swung the place is perpendicular with the axial of rolling axle 3. Therefore, when the pressing wheel 71 swings along with the pressing wheel swing arm 73, the pressing wheel can move close to or far away from the winding shaft 3 in the radial direction of the winding shaft 3. When carrying out the rolling, pinch roller 71 is driven pinch roller swing arm 73 by pinch roller driving piece 72 and is swung and is close to and hug closely on the material of rolling on the axle 3 and roll up on the footpath grow gradually along with rolling up material 16 on, pinch roller 71 can radially keep away from rolling axle 3 gradually, and pinch roller driving piece 72 retrieves gradually.

In a further preferred embodiment, as shown in fig. 3 and 4, the pressing wheel assembly 7 is slidably disposed on a sliding rail, which has a length parallel to the axial direction of the winding shaft 3, and the pressing wheel assembly 7 can slidably move along the sliding rail in a direction parallel to the axial direction of the winding shaft 3 to perform precise alignment adjustment of the pressing of the material roll 16.

Specifically, the pinch roller assembly 7 is supported and arranged on the slide rail through a support frame 10. Wherein, the slide rail includes first slide rail 8 and second slide rail 9, and first slide rail 8 and second slide rail 9 all set up in the rolling axle 3 outside and all have with the axial direction parallel's of rolling axle 3 length, and the both ends of support frame 10 slide to set up on first slide rail 8 and second slide rail 9. In some preferred embodiments, the first slide rail 8 and the second slide rail 9 are respectively located above and below the winding shaft 3 in the vertical direction, and two ends of the supporting frame 10 are respectively slidably disposed on the first slide rail 8 and the second slide rail 9 through the mounting seat 11 and the slide rails. Further, the pinch roller driving part 72 is arranged on the support frame 10, one end of the pinch roller swing arm 73 is movably connected to the support frame 10, and the pinch roller 71 is connected to the other end of the pinch roller swing arm 73; the pinch roller driving piece 72 is in transmission connection with the pinch roller swing arm 73 and can drive the pinch roller swing arm 73 to swing relative to the support frame 10.

Furthermore, a guide post 12 is provided, wherein the guide post 12 has an extended axial direction parallel to the axial direction of the winding shaft 3, and optionally, said guide post 12 can be attached to both the first slide rail 8 and/or the second slide rail 9. The pinch roller assembly 7 is slidably disposed on the guide post 12, and specifically, the mounting seat 11 connected to the supporting frame 10 is slidably disposed on the guide post 12. When the sliding rail of the pinch roller assembly 7 slides and moves in the direction parallel to the axial direction of the winding shaft 3, the guide post 12 can guide the sliding movement of the pinch roller assembly 7 on the sliding rail, and the stability and the precision of the compression, alignment and adjustment of the pinch roller assembly 7 on the material roll 16 are further improved.

In another preferred embodiment, please refer to fig. 5, in the winding device of the present invention, the winding shaft 3 and the pressing wheel assembly 7 are both disposed on the winding turntable 1. Wherein, the winding shaft 3 is movably arranged on the winding turntable 1, and the winding shaft 3 can be driven by the reel driving piece 4 to rotate relative to the winding turntable 1; specifically, the reel driving member 4 is selected from, but not limited to, a motor, and the output end of the reel driving member 4 drives the winding shaft 3 to rotate through the transmission of the gear 5 and the belt 6. The first slide rail 8 and the second slide rail 9 are fixedly arranged on the rolling turntable 1, and the pinch roller assembly 7 is arranged on the first slide rail 8 and the second slide rail 9 in a front-back sliding manner.

Moreover, the winding shaft 3 arranged on the winding turntable 1 comprises a plurality of winding shafts, in the illustrated embodiment, the winding shafts 3 comprise two winding shafts which are distributed on the left and the right, and each winding shaft 3 is driven by a corresponding reel driving piece 4 to rotate relative to the winding turntable 1. The winding turntable 1 is provided with a plurality of groups of rollers 14, the plurality of groups of rollers 14 correspond to the plurality of winding shafts 3 one by one, and the winding shafts 3 can be wound to pass through the rollers. The pinch roller assemblies 7 comprise a plurality of groups which are in one-to-one correspondence with the plurality of winding shafts 3, and when winding, each pinch roller assembly 7 can respectively compress the winding material roll 16 on the corresponding winding shaft 3.

Further, rolling carousel 1 is rotatable, and is concrete, and rolling carousel 1 activity is installed on the stationary plane, if install on the wall, and rolling carousel 1's spindle drive connects carousel driving piece 2, and this carousel driving piece 2 is optional but not limited to the motor, can drive the main shaft rotation by this carousel driving piece 2 and drive rolling carousel 1 and rotate.

During the rolling operation, rolling carousel 1 rotates, makes one of them rolling axle 3 shift to the rolling position to drive the rotation by spool driving piece 4 and carry out the rolling, corresponding roller 14 of crossing carries out the rolling coil stock and crosses the roller, and pinch roller assembly 7 cooperation carries out the compressing tightly of material book 16. After the winding shaft 3 of the winding position finishes winding the material roll 16, the winding turntable 1 can rotate again, and rotate 180 degrees in the illustrated embodiment, so that the winding shaft 3 of the winding position is transferred to the blanking position for blanking, and is transferred to the winding position from another winding shaft 3 for continuing winding. Therefore, continuous winding operation without shutdown can be realized, and the winding production efficiency is effectively improved.

Example two

The present embodiment is the same as the first embodiment, and further, the winding device of the present embodiment is further provided with a displacement sensor 13. The displacement sensor 13 can monitor the moving displacement of the pinch roller 71 in the direction parallel to the axial direction of the winding shaft 3 so as to determine the position of the pinch roller 71 in real time and avoid excessive moving adjustment of the pinch roller 71 in the front and back directions.

In the illustrated embodiment, referring to fig. 3 and 4 again, the displacement sensor 13 is mounted on the mounting base 11 connected to the supporting frame 10, and can move back and forth on the slide rail along with the mounting base 11, so as to monitor the distance from the wall surface and determine the position of the pressing wheel 71.

EXAMPLE III

In this embodiment, the same as the first or second embodiment, and further referring to fig. 5, in the winding device of this embodiment, a tape splicing assembly 15 is disposed outside the winding turntable 1. Specifically, this splicing subassembly 15 sets up in rolling position department, can cut the area for the material book 16 after accomplishing the rolling to cut off the back material area and insert to shift to the unloaded rolling axle 3 that shifts to the rolling position on, realize the automatic roll change splicing of rolling, thereby realize the automation of rolling, further improve rolling production efficiency.

In a preferred embodiment, referring to fig. 6, the tape splicing assembly 15 comprises a pressing roller 153 and a cutter 154, which are disposed on a tape splicing swing arm 151, wherein the tape splicing swing arm 151 can be driven by a swing arm driving member 152 to swing close to or away from the winding shaft 3 at the winding position, and the swing arm driving member 152 can be selected from, but not limited to, an air cylinder. The tape connecting swing arm 151 is provided with a tape connecting roller which swings with the tape connecting swing arm in a follow-up manner, the press roller 153 and the cutter 154 can be driven by a press roller driving part 155 and a cutter driving part 156 respectively and are arranged on the tape connecting swing arm 151 in a swinging manner relative to the tape connecting swing arm 151, and the press roller driving part 155 and the cutter driving part 156 can be selected from but not limited to air cylinders and are respectively in transmission connection with the press roller 153 and the cutter 154 through connecting swing rods.

When changing the roll and splicing the tape, the tape splicing swing arm 151 is driven by the swing arm driving member 152 to swing to approach the material roll 16 which completes the winding on the winding position, at this time, the pressure roller driving member 155 drives the pressure roller 153 to swing to compress the material tape on the material roll 16, and then the cutter driving member 156 drives the cutter 154 to swing to cut off the material tape. Then, the pressure roller driving member 155 and the cutter driving member 156 respectively drive the pressure roller 153 and the cutter 154 to retract, the swing arm driving member 152 drives the tape splicing swing arm 151 to retract, the turntable driving member 2 drives the winding turntable 1 to rotate, the winding shaft 3 is replaced, the full winding shaft 3 drives the material roll 16 to be switched to a blanking position, and the empty winding shaft 3 is switched to a winding position. The swing arm driving member 152 drives the splicing swing arm 151 to swing out and approach to the unloaded winding shaft 3, and the splicing tape is attached to the unloaded winding shaft 3 by the tape passing roller.

In another preferred embodiment, referring to fig. 6, a dust suction pipe 157 is disposed on the belt connecting swing arm 151, and the dust suction pipe 157 corresponds to the cutter 154. Wherein, the dust suction pipe 157 is externally connected with a vacuum generator, and the dust suction pipe 157 is provided with a dust suction opening facing the cutter 154, and the dust suction pipe 157 can be specifically arranged below the cutter 154. When splicing is carried out, the dust suction pipe 157 can be vacuumized through the dust suction port to suck dust generated during cutting, so that the dust is prevented from flying in the air or being adsorbed on the pole piece, the safety of a working environment is guaranteed, and the product quality is guaranteed.

The above embodiments are merely preferred embodiments of the present invention, and are only intended to describe the technical solutions of the present invention in further detail, but the above descriptions are exemplary, not exhaustive, and not limited to the disclosed embodiments, the protection scope and implementation manner of the present invention are not limited thereto, and any changes, combinations, deletions, substitutions or modifications that do not depart from the spirit and principle of the present invention are all included in the protection scope of the present invention.

Claims (10)

1. A winding device is characterized by comprising a winding shaft and a pressing wheel assembly;

the pinch roller assembly comprises a pinch roller, and the pinch roller is arranged outside the rolling shaft; the pinch roller can be close to or keep away from along the radial movement of rolling axle the rolling axle, and the pinch roller can be in with the axial direction parallel's of rolling axle direction removes.

2. The winding device according to claim 1, characterized in that a pinch roller drive is provided; the pinch roller driving piece can drive the pinch roller to move in the radial direction of the winding shaft.

3. The winding device according to claim 2, characterized in that the pinch roller support is arranged on a pinch roller swing arm; the pinch roller driving piece is in transmission connection with the pinch roller swing arm and can drive the pinch roller swing arm to swing; the pinch roller can swing along with the pinch roller swing arm.

4. The winding device according to claim 1, wherein the pressure wheel assembly is slidably disposed on a slide rail and movable along the slide rail in a direction parallel to an axial direction of the winding shaft.

5. The winding device according to claim 4, characterised in that guide posts are provided; the pinch roller assembly is arranged on the guide post in a sliding mode, and the guide post can guide the movement of the pinch roller assembly in the direction parallel to the axial direction of the winding shaft.

6. The winding device according to claim 4, wherein the pinch roller assembly is supported on the slide rails by a support frame; wherein the support frame is provided with a pinch roller driving piece; the pinch roller is movably connected to the supporting frame through a pinch roller swing arm; the pinch roller driving piece is in transmission connection with the pinch roller swing arm and can drive the pinch roller swing arm to swing.

7. The winding device according to claim 6, wherein the slide rail comprises a first slide rail and a second slide rail, and two ends of the support frame are slidably disposed on the first slide rail and the second slide rail.

8. The winding device according to claim 1, characterised in that a displacement sensor is provided; the displacement sensor can monitor the moving displacement of the pressing wheel in the direction parallel to the axial direction of the winding shaft.

9. The winding device as claimed in claim 1, wherein a take-up assembly is arranged outside the winding shaft; the tape splicing assembly comprises a pressing roller and a cutter which are arranged on a tape splicing swing arm, and the pressing roller and the cutter can be driven by a pressing roller driving part and a cutter driving part respectively to swing relative to the tape splicing swing arm; and a dust suction pipe corresponding to the cutter is arranged on the tape connecting swing arm, and a dust suction opening facing the cutter is formed in the dust suction pipe.

10. The winding device according to any one of claims 1 to 9, wherein the winding shaft and the pinch roller assembly are arranged on a winding turntable; the winding shaft is movably arranged on the winding turntable and can be driven by a reel driving piece to rotate relative to the winding turntable; the rolling shaft comprises a plurality of rolling shafts, the pressing wheel assembly comprises a plurality of groups in one-to-one correspondence with the rolling shafts, and the rolling rotary disc can be driven by a rotary disc driving piece to rotate.

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