WO2023168934A1 - 收卷装置和收卷方法 - Google Patents

收卷装置和收卷方法 Download PDF

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Publication number
WO2023168934A1
WO2023168934A1 PCT/CN2022/123042 CN2022123042W WO2023168934A1 WO 2023168934 A1 WO2023168934 A1 WO 2023168934A1 CN 2022123042 W CN2022123042 W CN 2022123042W WO 2023168934 A1 WO2023168934 A1 WO 2023168934A1
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WO
WIPO (PCT)
Prior art keywords
winding
strip
rewinding
shaft
roll
Prior art date
Application number
PCT/CN2022/123042
Other languages
English (en)
French (fr)
Inventor
禹如初
仇少军
吴铁锋
Original Assignee
宁德时代新能源科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 宁德时代新能源科技股份有限公司 filed Critical 宁德时代新能源科技股份有限公司
Priority to EP22905471.3A priority Critical patent/EP4269299A1/en
Priority to US18/343,214 priority patent/US11912520B2/en
Publication of WO2023168934A1 publication Critical patent/WO2023168934A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/2207—Changing the web roll in winding mechanisms or in connection with winding operations the web roll being driven by a winding mechanism of the centre or core drive type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/26—Cutting-off the web running to the wound web roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/28—Attaching the leading end of the web to the replacement web-roll core or spindle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/418—Changing web roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/515—Cutting handled material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/23—Winding machines
    • B65H2408/2362—Winding machines with two secondary winding spools, e.g. on separate carriages
    • B65H2408/2364—Winding machines with two secondary winding spools, e.g. on separate carriages with additional element for facilitating web roll change

Definitions

  • the present application relates to the technical field of strip preparation, and in particular to a winding device and a winding method.
  • the sheet-like strips involved mainly include positive electrode sheets, negative electrode sheets and separators.
  • the raw materials of these strips need to be cut into the required width, and the cut strips are wound separately for storage and transportation.
  • One roll of wider strips can often be cut into multiple smaller rolls.
  • a winding device is used to rewind the cut strip. After a rewinding reel has completed rewinding a certain length of strip, the strip needs to be manually replaced with a new rewinding reel to continue rewinding. Manual replacement of new winding reels is inefficient.
  • the embodiment of the present application provides a rewinding device and a rewinding method, which can improve the efficiency of roll changing.
  • the application provides a rewinding device.
  • the rewinding device is used to rewind strips.
  • the rewinding device includes a rewinding mechanism and a roll changing mechanism.
  • the rewinding mechanism includes at least two rewinding shafts arranged at intervals.
  • the winding reels are respectively used to wind up the strip along different transmission paths;
  • the roll changing mechanism includes a moving roller, which is used to drive the strip to switch from one winding reel to another, so that the strip can be switched from one transmission path to another transmission path.
  • the winding device provided by this application can change the roll by moving the roller, and the roll changing efficiency is high; when changing the roll, the position of the winding shaft does not change, thereby eliminating the need for a turret in the prior art and also eliminating the need for reservations.
  • the moving space required for the rewinding reel to change positions makes the entire rewinding device take up less space; during the roll changing process, only the position of the roll changing mechanism is changed, making the control of the rewinding device simple; the strip is moved by setting a moving roller , the moving roller exerts uniform force on the strip, which to a certain extent prevents the strip from being pulled by the driving part during movement and causes damage, and improves the quality of the winding strip.
  • the roll-changing mechanism further includes a cutting unit.
  • the cutting unit is disposed between the rewinding shafts. The cutting unit is used to cut the strip so that the strip switched to another rewinding shaft is connected to one rewinding shaft. Reel separation.
  • the strip When the strip is wound on one winding shaft, and at the same time, the strip is in contact with another winding shaft driven by the moving roller, the strip is divided by the cutting unit, so that a part of the strip is wound on a winding shaft, and is connected to the external The end of the strip connected to the unwinding device begins to wind up to another winding reel, thus completing the roll change.
  • the winding shaft includes a hollow shaft body and a through groove opened on the shaft body.
  • the through groove is provided along the axis direction of the moving roller.
  • the cutting unit is at least partially disposed in the shaft body.
  • the cutter head of the cutting unit is provided with Extend the slot to cut the strip.
  • the cutter head can be accommodated in the shaft body and extend out of the slot to cut the strip only when the strip needs to be cut; the cutter head can also extend all the way out of the slot and move along the slot to cut the strip only when the strip needs to be cut. Strip.
  • the number of rewinding reels is two, and the two rewinding reels are arranged relatively spaced along the first direction;
  • the roll changing mechanism includes a first translation component, the first translation component extends along the first direction, and the first translation component
  • the assembly is drivingly connected to the moving roller, so that the moving roller drives the strip to switch from one winding reel to another.
  • the first translation component can drive the moving roller to move in the first direction, so that the moving roller can drive the strip to switch from one winding reel to another winding reel to realize automatic roll changing.
  • the roll changing mechanism further includes a second translation component.
  • the second translation component extends along a second direction.
  • the second direction is the extension direction of the winding shaft.
  • the second translation component is drivingly connected to the moving roller to drive The moving roller is inserted between the strip and the winding shaft along the second direction.
  • the second translation component can drive the moving roller to move in the second direction, so that in the normal rewinding state of the rewinding device, the second translation component can drive the moving roller to move in the second direction and be arranged outside the rewinding mechanism to avoid movement.
  • the roller prevents the rewinding mechanism from rewinding the strip normally; while in the roll-changing state of the rewinding device, the second translation component can drive the moving roller to insert between the strip and the rewinding shaft, so that the moving roller can be further driven by the first translation component , complete the strip winding from one winding reel to another.
  • the second translation component is slidingly connected to the first translation component.
  • the moving roller only needs to be directly connected to one of the first translation component or the second translation component, so that the second translation component can drive the moving roller to move, and the first translation component can drive the moving roller to move.
  • the first translation component includes a first driving member and a first slide rail extending along a first direction
  • the second translation component includes a second driving member and a second slide rail extending along a second direction
  • the first driving member is used to drive the second slide rail to move along the first slide rail
  • the second driving member is used to drive the moving roller to move along the second slide rail.
  • the second slide rail can move along the first slide rail driven by the first driving member, and the moving roller can move along the second slide rail driven by the second driving member, so that the first driving member and the second driving member can move along the second slide rail.
  • the component controls the moving roller to move along the first direction and the second direction.
  • the roll changing mechanism also includes a rocker arm.
  • One end of the rocker arm is connected to the moving roller, and the other end is connected to the second translation component.
  • the rocker arm is used to drive the moving roller to swing.
  • the second translation component can drive the rocker arm and the moving roller to move in the second direction together, and the rocker arm can drive the moving roller to swing, thereby facilitating the avoidance of other components during the drive strip roll change process.
  • the winding mechanism further includes a plurality of passing rollers, the passing rollers are arranged along the transmission path, and each winding shaft cooperates with at least one passing roller to form different conveying paths.
  • One or more rollers can define different transmission routes to meet production needs; the rollers can also ensure that the strip is in a tensioned state to ensure stable strip transmission.
  • this application also provides a winding method, including:
  • the winding mechanism drives the strip from the first winding shaft to approach the second winding shaft, so that the strip is switched from the first winding shaft to the second winding shaft;
  • the winding method provided by this application uses a roll changing mechanism to change the roll, and the roll changing efficiency is high; when changing the roll, there is no need to move the winding shaft, thereby eliminating the need for a turret in the prior art and also eliminating the need for a winding machine.
  • the moving space required for the reel exchange position makes the space occupied during the winding and roll changing process small; during the roll changing process, only the movement of the roll changing mechanism needs to be controlled, making the control simple.
  • the roll changing mechanism drives the strip to approach the second rewinding shaft from the first rewinding shaft, including:
  • the roll changing mechanism is moved along the first direction so as to approach the second winding shaft from the first winding shaft, wherein the first winding shaft and the second winding shaft are arranged oppositely and spaced apart along the first direction.
  • the roll changing mechanism is moved along the first direction to further change the roll.
  • the operation method is simple and easy to implement.
  • the roll-changing mechanism drives the strip to approach the second rewinding shaft from the first rewinding shaft, which includes:
  • the roll changing mechanism is moved along the second direction, so that the roll changing mechanism is inserted between the strip and the winding shaft along the second direction, and the second direction is the extension direction of the first winding shaft.
  • the roll-changing mechanism By moving the roll-changing mechanism in the second direction, in the normal rewinding state, the roll-changing mechanism can move in the second direction and be arranged outside the rewinding mechanism, thereby preventing the roll-changing mechanism from hindering the rewinding mechanism from rewinding the strip normally;
  • the roll-changing mechanism can move in the second direction to insert between the strip and the winding shaft, and can further move in the first direction to drive the strip to switch from one winding shaft to another. A reel is rolled up.
  • the roll changing mechanism moves in the second direction, and then includes:
  • the roll-changing mechanism is swung so that the projected portions of the roll-changing mechanism and the second rewinding shaft along the first direction overlap, and the roll-changing mechanism drives the strip to abut against the second rewinding shaft.
  • the roll-changing mechanism is oscillated to facilitate the roll-changing mechanism to avoid other components during the drive strip roll-changing process.
  • moving the roll changing mechanism in the first direction to approach from the first rewinding shaft to the second rewinding shaft includes:
  • the moving cutting unit contacts and cuts the strip so that the strip switched to the second rewinding reel is separated from the first rewinding reel;
  • Figure 1 is a schematic structural diagram of a winding device according to some embodiments of the present application.
  • Figure 2 is a schematic structural diagram of a winding device according to other embodiments of the present application.
  • Figure 3 is a schematic diagram of the rolling principle of the winding device according to some embodiments of the present application.
  • Figure 4 is a schematic three-dimensional structural diagram of the roll changing mechanism of some embodiments of the present application.
  • FIG. 5 is an enlarged structural schematic diagram of part A shown in Figure 4.
  • Figure 6 is a schematic diagram of the rolling principle of the winding device according to other embodiments of the present application.
  • Figure 7 is a schematic structural diagram of a winding device according to some embodiments of the present application.
  • Figure 8 is a schematic flowchart of a winding method according to some embodiments of the present application.
  • FIG. 9 is a detailed flowchart of S200 in the winding method of some embodiments of the present application.
  • FIG. 10 is a detailed flowchart of S200 in the winding method in other embodiments of the present application.
  • Rewinding device 100.
  • Strip 300.
  • Reel 1.
  • Rewinding mechanism 11.
  • Rewinding reel 111. Shaft; 112.
  • Through slot 2.
  • Moving roller; 22. First translation component; 221, first driving member; 222, first slide rail; 223, first guide rod; 23, second translation component; 231, second driving member; 232, second slide rail; 2321, installation Table; 2322, slider; 2323, slide rail main body; 24, rocker arm; 241, moving table; 242, third driving part; 243, support arm; 3, roller; 4, cutting unit; 41, motor; 42 , knife head.
  • an embodiment means that a particular feature, structure or characteristic described in connection with the embodiment may be included in at least some embodiments of the application.
  • the appearances of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.
  • the turret rotates to drive the new rewinding reel closer to the rocker arm.
  • the assembly direction rotates, the rocker arm assembly is lifted to fit the strip to the new winding shaft, and the strip is cut.
  • the two winding reels need to be rotated by the turret to change positions during the roll change process, the entire winding device takes up a lot of space.
  • multiple turrets need to be set up at the same time to wind up the cut strips respectively.
  • Multiple turrets cause the entire winding device to occupy more space. big space.
  • the applicant has improved the structure of the existing winding device.
  • the technical solution described in the embodiment of the present application is suitable for any scenario where strips need to be rolled up.
  • the winding device can be set up separately. , can also be installed in the battery preparation system and used in conjunction with other devices in the battery preparation system.
  • the present application provides a rewinding device 100.
  • the rewinding device 100 is used to rewind the strip 200.
  • the rewinding device 100 includes a rewinding mechanism 1 and a roll changing mechanism 2.
  • the rewinding mechanism 1 includes at least two spaced apart rewinding reels. 11.
  • the two rewinding reels 11 are respectively used to rewind the strip 200 along different transmission paths;
  • the roll changing mechanism 2 includes a moving roller 21, and the moving roller 21 is used to drive the strip 200 to switch from one rewinding reel 11 to another.
  • the reel 11 is used to switch the strip 200 from one transport path to another.
  • an unwinding device, a strip processing device, etc. may also be provided upstream of the winding device 100.
  • the wound strip 200 to be processed starts from the unwinding device and passes through the strip processing device.
  • the device performs required processing and then moves to the winding device 100, where it is wound onto the winding reel 11.
  • the strip processing device may specifically be an electroplating device, a cutting device, a coating device, etc.
  • the moving paths of the strips 200 wound up to different winding reels 11 in the unwinding device and the strip processing device may be the same or different.
  • the strip 200 is not directly wound on the outer wall of the rewinding shaft 11.
  • the rewinding shaft 11 is covered with a reel 300.
  • the strip 200 is wound on the outer wall of the reel 300.
  • the reel 300 follows the rewinding reel 11. They rotate together to realize the winding of the strip 200.
  • the drum 300 and the strip 200 can be removed from the winding shaft 11.
  • the winding shaft 11 winds up the strip 200 , which can also be understood as the rotation of the winding shaft 11 drives the strip 200 to be rolled up on the drum 300 .
  • the number of winding reels 11 is two.
  • the winding mechanism 1 may also include more winding shafts 11. Each time the winding mechanism 2 changes the roll, it moves between two of the multiple winding shafts 11 to drive the strip 200 to switch. Rewind on the new rewinding reel 11.
  • the transmission path can be represented as the movement path of the strip 200.
  • different winding reels 11 correspond to different transmission paths, that is, the moving paths of the strip 200 rolled up by different winding reels 11 are different.
  • the moving paths upstream of the winding device 100 are the same, or at least partially the same. After the strip 200 moves to the winding device 100, according to the winding reel The moving path of the strip 200 is different at the position where 11 is located.
  • the moving roller 21 can move under the driving of one or more driving members.
  • driving members Those skilled in the art can set the connection relationship of motors, cylinders, screws, guide rails, gears and other structures according to actual conditions, so that the moving roller 21 moves according to the preset moving direction, stroke, speed, etc.
  • the moving roller 21 can not only move linearly, but also move in a curve as needed. It only needs to be ensured that the moving roller 21 can push the strip 200 close to the winding shaft 11 that needs to be replaced, so that the strip can The winding can be carried out on the winding shaft 11 that needs to be replaced.
  • the winding shaft 11 that is winding the strip 200 during the roll change process is called the first winding shaft 11 a
  • the winding shaft 11 that is not winding the strip 200 is called the second winding shaft.
  • 11b those skilled in the art can understand that the structures of the first winding shaft 11a and the second winding shaft 11b can be the same, and the names are distinguished only according to the different states of the winding strip 200.
  • the first winding shaft 11a winds up the strip 200
  • one end of the strip 200 is limited by the first winding shaft 11a
  • the other end of the strip 200 is limited by the upstream device of the winding device 100.
  • the moving path of the strip 200 is consistent with the first winding shaft 11a.
  • the corresponding transmission paths of the winding reel 11a overlap.
  • the moving roller 21 moves and contacts the strip 200, and the moving roller 21 Move further toward the second rewinding shaft 11b, so that the strip 200 in contact with the moving roller 21 gradually approaches the second rewinding shaft 11b under the push of the moving roller 21, until the strip 200 contacts the roll on the second rewinding shaft 11b.
  • the movement path of the strip 200 deviates from the transmission path S1 corresponding to the first rewinding shaft 11a to the transmission path S2 corresponding to the second rewinding shaft 11b, and then deviates from the transmission path S2 corresponding to the second rewinding shaft 11b and returns to the first rewinding shaft.
  • the transmission path S1 corresponding to 11a When the strip 200 rolled up by the original second winding shaft 11b reaches the preset size, the original second winding shaft 11b can be used as a new first winding shaft 11a to repeat the above process, and the original first winding shaft 11a can be rolled up and replaced with a new drum. After 300 seconds, the original first rewinding shaft 11a can be used as the second rewinding shaft 11b to repeat the above process.
  • the winding device 100 provided by the present application can change the roll by moving the roller 21, and the roll changing efficiency is high; when changing the roll, the position of the winding shaft 11 does not change, thereby eliminating the need for a turret in the prior art and also eliminating the need for In order to reserve the moving space required for the rewinding shaft 11 to change positions, the entire rewinding device 100 occupies a small space; during the roll changing process, only the position of the roll changing mechanism 2 is changed, making the control of the rewinding device 100 simple;
  • the moving roller 21 is provided to drive the strip 200 to move, so that the moving roller 21 exerts a uniform force on the strip 200, which to a certain extent avoids the strip 200 from being pulled and damaged during the moving process, and improves the quality of the winding strip 200.
  • the strip 200 When the strip 200 wound up on one winding reel 11 comes into contact with the other winding reel 11, the strip 200 can be cut by a manual or automated mechanical mechanism, so that the strip 200 output from the upstream device moves along the second winding reel 11.
  • the transmission path S2 corresponding to 11b is wound up to the second winding shaft 11b.
  • the roll changing mechanism 2 further includes a cutting unit 4 , which is used to cut the strip 200 so that the strip 200 is wound onto one rewinding shaft 11 and in contact with the other rewinding shaft 11 separation.
  • the strip 200 When the strip 200 is wound on one winding shaft 11, and the strip 200 is also driven by the moving roller 21 to contact another winding shaft 11, the strip 200 is divided by the cutting unit 4, so that a part of the strip 200 is wound.
  • the end of the strip 200 connected to the external unwinding device begins to be wound to another reel 11, thereby completing the roll change.
  • the cutting unit 4 can be set independently from the winding mechanism 1 and the roll changing mechanism 2 .
  • the cutting head 42 of the cutting unit 4 moves along the strip 200
  • the strip 200 is moved in the width direction to split the strip 200; the cutter head 42 of the cutting unit 4 can also be rotated, and the cutter head 42 of the cutting unit 4 moves along the thickness direction of the strip 200 to cut the strip 200 to split the strip 200.
  • Strip 200 is moved in the width direction to split the strip 200; the cutter head 42 of the cutting unit 4 can also be rotated, and the cutter head 42 of the cutting unit 4 moves along the thickness direction of the strip 200 to cut the strip 200 to split the strip 200.
  • the moving roller 21 includes a hollow shaft 111 and a through groove 112 opened on the shaft 111 , and the cutting unit 4 is at least partially disposed in the shaft 111 .
  • the cutting unit 4 The cutter head 42 is used to extend out of the through slot 112 to cut the strip 200 .
  • the cutter head 42 can be accommodated in the shaft body 111, and only when the strip 200 needs to be cut, the cutter head 42 extends out of the through slot 112 to cut the strip 200.
  • the cutting unit 4 may also include a motor 41 that drives the cutter head 42 to telescope in the slot 112.
  • the motor 41 may be provided at the end of the moving roller 21.
  • the motor 41 is connected to the moving roller. 21 is provided along the extending direction of the moving roller 21 .
  • the cutter head 42 can also extend all the way out of the through slot 112.
  • the cutter head 42 is correspondingly arranged on both sides of the strip 200 in the width direction to avoid the strip 200. Only when the strip 200 needs to be cut, the cutter head 42 can be inserted along the through slot. 112 moves, that is, moves along the width direction of the strip 200 to cut the strip 200 .
  • the number of moving rollers 21 is two, and the two moving rollers 21 are arranged at relative intervals along the first direction X; the roll changing mechanism 2 includes a first translation component 22, the first translation component 22 extends along the first direction
  • a viscous material can be coated on the outer surface of the drum 300 in advance, the first translation component 22 pushes the moving roller 21 to move along the first direction X, and the moving roller 21 drives the strip 200 to move toward the second winding shaft 11b,
  • the strip 200 is brought into contact with the second winding shaft 11b, that is, the strip 200 is in contact with the drum 300 on the second winding shaft 11b, the second winding shaft 11b rotates, and the cut strip 200 can be wound on the second winding shaft 11b.
  • Scroll 11b On scroll 11b.
  • the first translation component 22 can drive the moving roller 21 to move along the first direction X, so that the moving roller 21 can drive the strip 200 to switch from the winding shaft 11 to another winding shaft 11 for automatic winding.
  • the roll changing mechanism 2 also includes a second translation component 23.
  • the second translation component 23 extends along the second direction Y.
  • the second direction Y is the winding shaft.
  • the second translation component 23 is drivingly connected to the moving roller 21 to drive the moving roller 21 to be inserted between the strip 200 and the winding shaft 11 along the second direction Y.
  • the second translation component 23 and the first translation component 22 may be provided independently of each other.
  • the second translation component 23 may specifically be a linear motor provided at one end of the moving roller 21 to drive the entire moving roller 21 to move in the second direction Y; the second translation component 23 may also be a linear motor provided within the moving roller 21 to drive Partial areas of the moving roller 21 expand and contract.
  • the second translation component 23 can drive the moving roller 21 to move in the second direction Y, so that in the normal winding state of the winding device 100, the second translation component 23 can drive the moving roller 21 and the winding mechanism 1 to move in the second direction Y.
  • the movement is arranged outside the rewinding mechanism 1 to prevent the moving roller 21 from interfering with the normal rewinding of the strip 200 by the rewinding mechanism 1; and when the rewinding device 100 is changing the roll, the second translation component 23 can drive the moving roller 21 to insert the strip. 200 and the rewinding shaft 11 , so that the moving roller 21 can be further driven by the first translation assembly 22 to complete the rewinding of the strip 200 from one rewinding shaft 11 to the other rewinding shaft 11 .
  • the second translation component 23 is slidingly connected to the first translation component 22 .
  • the second translation component 23 can be used to drive the moving roller 21 and the first translation component 22 to move together in the second direction Y, or the first translation component 22 can be used to drive the moving roller 21 and the second translation component 23 to move together in the first direction. Y moves.
  • the moving roller 21 only needs to be directly connected to one of the first translation component 22 or the second translation component 23 to realize the second translation component 23 driving the moving roller 21 to move, and the first translation component 22 driving the moving roller 21 to move.
  • the first translation component 22 drives the moving roller 21 and the second translation component 23 to move along the first direction X.
  • the first translation component 22 can be opposite to the winding mechanism 1 along the second direction Y.
  • the arrangement prevents the first translation component 22 from being arranged or moved between the two rewinding shafts 11 to a certain extent, thereby preventing the rewinding shaft 11 from rewinding.
  • the first translation component 22 includes a first driving member 221 and a first slide rail 222 extending along the first direction X.
  • the second translation component 23 includes a second The driving member 231 and the second slide rail 232 extending along the second direction Y, the first driving member 221 is used to drive the second slide rail 232 to move along the first slide rail 222, and the second driving member 231 is used to drive the moving roller 21 along the first slide rail 222.
  • the second slide rail 232 moves.
  • the first translation assembly 22 further includes a first guide rod 223, the number of the first slide rails 222 is two, and the two first slide rails 222 are located at opposite sides of the first slide rail 222. On both sides, the first guide rod 223 and the two first slide rails 222 extend along the first direction X.
  • the first driving member 221 can be a motor.
  • the second slide rail 232 includes a mounting platform 2321, a plurality of slide blocks 2322 disposed on the mounting platform 2321, and a slide rail body 2323. The slide blocks 2322 and the slide rail body 2323 are located on opposite sides of the mounting platform 2321.
  • the first guide rod 223 and the two first slide rails 222 are respectively slidingly connected with at least one slide block 2322, so that the second slide rail 232 has multiple support points on the first translation assembly 22, and the first driving member 221 drives the second During the movement of the slide rail 232 along the first direction X, the movement of the second slide rail 232 is stable. Since the second driving member 231 only needs to control the moving roller 21 to extend or withdraw between the winding shaft 11 and the strip 200 , the control accuracy of the second driving member 231 can be lower than that of the first driving member 221 , and the second driving member 231 can Use cylinders to reduce manufacturing costs.
  • the second slide rail 232 can move along the first slide rail 222 driven by the first driving member 221 , and the moving roller 21 can move along the second slide rail 232 under the driving of the second driving member 231 , so that the first sliding rail 232 can move along the first sliding rail 232 under the driving of the second driving member 231 .
  • the driving member 221 and the second driving member 231 control the moving roller 21 to move in the first direction X and the second direction Y.
  • the roll changing mechanism 2 also includes a rocker arm 24.
  • One end of the rocker arm 24 is connected to the moving roller 21, and the other end is connected to the second translation component 23.
  • the rocker arm 24 is used to drive the moving roller 21 to swing.
  • the rocker arm 24 includes a moving platform 241 slidingly connected to the second slide rail 232, a third driving member 242 provided on the moving platform 241, and a supporting arm 243 connected to the third driving member 242.
  • the supporting arm 243 One end is connected to the third driving member 242, and the other end is connected to the moving roller 21.
  • the second driving member 231 drives the moving platform 241 to move along the second slide rail 232, and the moving roller 21 follows the moving platform 241 along the second slide rail 232. move.
  • the third driving member 242 drives the rocker arm 24 to rotate along an axis extending along the second direction Y, and the moving roller 21 rotates along the axis along with the support arm 243 .
  • the second translation component 23 can drive the rocker arm 24 and the moving roller 21 to move together in the second direction Y.
  • the rocker arm 24 can drive the moving roller 21 to move in a curve to enrich the movable directions of the moving roller 21 and facilitate the driving of the strip. 200 Avoid other parts during the roll change process.
  • the moving roller 21 is located at position A, and the moving roller 21 is located outside the winding mechanism 1.
  • the moving roller 21 and the winding mechanism 1 are arranged along the third The two directions Y are set relative to each other.
  • the moving roller 21 is inserted between the first winding shaft 11a and the strip 200 along the second direction Y;
  • the moving roller 21 rotates along the axis of the third driving member 242 and moves to position B.
  • the position B is on the connection line between the first rewinding shaft 11a and the second rewinding shaft 11b along the first direction X;
  • the moving roller 21 approaches the second rewinding shaft 11b along the first direction X until the moving roller 21 presses the strip 200 to the second rewinding shaft 11b, and the moving roller 21 moves to position C,
  • the strip 200 is cut, and the second winding shaft 11b rotates to wind up the strip 200 .
  • the moving roller 21 shrinks along the second direction Y to be opposite to the winding mechanism 1 along the second direction Y.
  • the moving roller 21 can also be used in the second winding shaft 11b.
  • the reel 11b is rewinding, under the action of the third driving member 242, it rotates along the axis of the third driving member 242 and moves away from the second rewinding reel 11b to position D to facilitate the subsequent roll change operation of the second rewinding reel 11b.
  • the moving roller 21 is inserted between the second winding shaft 11b and the strip 200 along the second direction Y.
  • the winding mechanism 1 also includes a plurality of passing rollers 3.
  • the passing rollers 3 are arranged along the transmission path.
  • Each winding shaft 11 cooperates with at least one passing roller 3 to form different transmission path.
  • One or more rollers 3 can define different transmission routes to meet production needs; the rollers 3 can also ensure that the strip 200 is in a tensioned state, ensuring stable transmission of the strip 200.
  • the rewinding device 100 provided in this application can also include multiple rewinding mechanisms 1, and a rewinding mechanism 2 corresponding to each rewinding mechanism 1.
  • the same strip raw material can be cut by multiple rewinding mechanisms 1. Carry out separate winding.
  • the present application provides a winding device 100.
  • the winding device 100 includes a winding mechanism 1 and a winding mechanism 2.
  • the winding mechanism 1 includes at least two spacers.
  • the rewinding reels 11 are provided, and the two rewinding reels 11 are respectively used to rewind the strip 200 along different transmission paths;
  • the roll changing mechanism 2 includes a moving roller 21, and the moving roller 21 is used to drive the strip 200 to switch from one rewinding reel 11 to Another winding reel 11 is used to switch the strip 200 from one transmission path to another.
  • the position of the winding shaft 11 does not change, thereby eliminating the need for the turret in the prior art and the movement space reserved for the changing position of the winding shaft 11. , so that the entire rewinding device 100 occupies a small space; during the roll changing process, only the position of the roll changing mechanism 2 is changed, making the control of the rewinding device 100 simple; by setting the moving roller 21 to drive the strip 200 to move, the moving roller 21 Applying force to the strip 200 evenly can prevent the strip 200 from being pulled and damaged during movement to a certain extent, thereby improving the quality of the winding strip 200 .
  • the winding method provided in this application can be applied to the aforementioned winding device.
  • the relevant structure of the winding device please refer to the winding device provided in the above embodiments.
  • Any rewinding reel in the rewinding device can be selected as the first rewinding reel, and any rewinding reel that can accept strip replacement can be selected as the second rewinding reel.
  • the first winding shaft can be controlled to rotate and wind up the strip, and each winding shaft of the winding device is used to wind up the strip along different transmission paths; when the strip rolled up by the first winding shaft reaches a predetermined size , controlling the moving roller of the roll-changing mechanism to drive the strip from the first rewinding shaft to the second rewinding shaft, so that the strip is switched from the first rewinding shaft to the second rewinding shaft, and the strip is switched from one transmission path to another. A transmission path is transmitted.
  • rewinding reels can be installed in the rewinding mechanism at the same time, and each rewinding reel can perform strip rewinding work in sequence.
  • the length of the winding strip on the winding shaft can be calculated to determine whether the winding strip has reached the predetermined size; it can also be detected by detecting the winding strip on the winding shaft.
  • the total thickness of the strip can be used to determine whether the rolled strip has reached the predetermined size; identification marks can also be set at predetermined intervals on the strip, and whether the strip has reached the predetermined size can be judged by detecting the identification marks.
  • the winding method provided by this application uses a roll changing mechanism to change the roll, and the roll changing efficiency is high; when changing the roll, there is no need to move the winding shaft, thereby eliminating the need for a turret in the prior art and also eliminating the need for a winding machine.
  • the moving space required for the reel exchange position makes the space occupied during the winding and roll changing process small; during the roll changing process, only the movement of the roll changing mechanism needs to be controlled, making the control simple.
  • step 200 includes:
  • the first translation component can be used to drive the moving roller to move in the first direction to further realize roll changing.
  • the operation method is simple and easy to implement.
  • step 210 includes:
  • the second translation component can be used to drive the moving roller to move in the second direction, so that in the normal winding state, the second translation component can be used to drive the moving roller and the winding mechanism to be arranged oppositely in the second direction, thereby preventing the moving roller from hindering the winding.
  • the mechanism rewinds the strip normally; while in the roll-changing state of the rewinding device, the second translation component can be driven to drive the moving roller to insert between the strip and the rewinding reel, and then the first translation component can be further controlled to drive the rewinding reel to drive the strip from one direction to another. Rewind from one rewinding reel to another rewinding reel.
  • step 220 it includes:
  • the rocker arm of the roll change mechanism can be controlled to drive the moving roller to swing, so that the roll change mechanism can avoid other parts during the drive strip roll change process.
  • the rocker arm, the first translation component, and the second translation component of the roll change mechanism can still be controlled to drive the moving roller to move, so that the moving roller avoids the moving roller normally. Rewinding strip.
  • S210 includes:
  • the mobile cutting unit contacts and cuts the strip so that the strip switched to the second winding reel is separated from the first winding reel;
  • the strip is cut by the cutting unit, so that the first winding reel no longer winds up new strips, and all new strips are wound up to the second winding reel.
  • the roll-changing mechanism can drive the moving roller to move by controlling the second translation component, and the moving roller moves to the outside of the rewinding mechanism, thereby preventing the roll-changing mechanism from hindering the rewinding of the second rewinding shaft to a certain extent.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Winding Of Webs (AREA)

Abstract

本申请公开了一种收卷装置和收卷方法。该收卷装置用于收卷带材，收卷装置包括收卷机构和换卷机构，收卷机构包括两根沿第一方向相对且间隔设置的收卷轴，两根收卷轴分别用于沿不同传输路径收卷带材；换卷机构包括移动辊，移动辊用于带动带材从一根收卷轴切换至另一根收卷轴，以使带材从一个传输路径切换至另一传输路径。本申请提供的收卷装置和收卷方法占用空间小、换卷效率高。

Description

收卷装置和收卷方法
相关申请的交叉引用
本申请要求享有于2022年03月07日提交的名称为“收卷装置和收卷方法”的中国专利申请202210225452.4的优先权，该申请的全部内容通过引用并入本文中。
技术领域
本申请涉及带材制备技术领域，尤其涉及一种收卷装置和收卷方法。
背景技术
在电池的制造过程中，涉及到的薄片状带材主要包括正极极片、负极极片和隔离膜。在使用时，需要将这些带材的原材料裁切成需要的宽度，并将裁切出的带材分别卷绕以便于存储和运输，一卷较宽的带材往往可以裁切成多卷较窄的带材。现有技术中采用收卷装置对裁切出的带材进行收卷时，当一根收卷轴收卷完成一定长度的带材后，需要人工将带材更换至新的收卷轴继续收卷，人工更换新的收卷轴效率低下。
综上，需要设计出一种收卷装置，以解决上述的技术问题。
发明内容
本申请实施例提供了一种收卷装置和收卷方法，能够提高换卷效率。
第一方面，本申请提供一种收卷装置，收卷装置用于收卷带材，收卷装置包括收卷机构和换卷机构，收卷机构包括至少两根间隔设置的收卷轴，两根收卷轴分别用于沿不同传输路径收卷带材；换卷机构包括移动辊，移动辊用于带动带材从一根收卷轴切换至另一根收卷轴，以使带材从一个传输路径切换至另一传输路径。
本申请提供的收卷装置可通过移动辊进行换卷，换卷效率高；在换卷时，收卷轴的位置不发生变化，从而省去现有技术中的转塔，也省去了预留给收卷轴交换位置所需的移动空间，使得整个收卷装置占用空间小；换卷过程中，仅换卷机构的位置进行改变，使得收卷装置的控制简单；通过设置移动辊带动带材移动，移动辊对带材施力均匀，在一定程度上避免带材移动过程受到驱动件拉扯，而发生破损现象，提高绕卷带材的质量。
根据本申请的一些实施例，换卷机构还包括裁剪单元，裁剪单元设置于收卷轴之间，裁剪单元用于裁断带材，以使切换至另一收卷轴的所述带材与一根收卷轴分离。
当带材收卷在一根收卷轴，同时带材还在移动辊的驱动下与另一收卷轴接触，通过裁剪单元分割带材，使得带材的一部分收卷至一根收卷轴，与外部放卷装置连接的带材的端部开始收卷至另一收卷轴，从而完成换卷。
根据本申请的一些实施例，收卷轴包括中空的轴体和开设于轴体上的通槽，通槽沿移动辊的轴线方向设置，裁剪单元至少部分设置于轴体内，裁剪单元的刀头用于伸出通槽，以裁断带材。
刀头可以收容于轴体内，仅在需要裁断带材时，伸出通槽，裁剪带材；刀头还可以一直伸出通槽，仅在需要裁断带材时，沿通槽移动，以裁剪带材。
根据本申请的一些实施例，收卷轴的数量为两根，两根收卷轴沿第一方向相对间隔设置；换卷机构包括第一平移组件，第一平移组件沿第一方向延伸，第一平移组件与移动辊驱动连接，以使移动辊带动带材从一根收卷轴切换至另一收卷轴。
第一平移组件可以带动移动辊沿第一方向移动，使得移动辊可以带动带材从一收卷轴切换至另一收卷轴收卷，实现自动换卷。
根据本申请的一些实施例，换卷机构还包括第二平移组件，第二平移组件沿第二方向延伸，第二方向为收卷轴的延伸方向，第二平移组件与移动辊驱动连接，以驱动移动辊沿第二方向插入带材与收卷轴之间。
通过第二平移组件可以驱动移动辊沿第二方向移动，使得在收卷装置正常收卷状态下，第二平移组件可以驱动移动辊沿第二方向移动而设置在收卷机构外，从而避免移动辊妨碍收卷机构正常收卷带材；而在收卷装置换卷状态下，第二平移组件可以驱动移动辊插入带材与收卷轴之间，使得移动辊可以在第一平移组件进一步驱动下，完成带材从一根收卷轴至另一收卷轴收卷。
根据本申请的一些实施例，第二平移组件与第一平移组件滑动连接。
移动辊仅需与第一平移组件或第二平移组件中的一者直接连接，即可实现第二平移组件驱动移动辊移动，以及第一平移组件驱动移动辊移动。
根据本申请的一些实施例，第一平移组件包括第一驱动件和沿第一方向延伸的第一滑轨，第二平移组件包括第二驱动件和沿第二方向延伸的第二滑轨，第一驱动件用于驱动第二滑轨沿第一滑轨移动，第二驱动件用于驱动移动辊沿第二滑轨移动。
第二滑轨在第一驱动件的驱动下，可以沿第一滑轨移动，移动辊可以在第二驱动件的驱动下沿第二滑轨移动，从而可通过第一驱动件和第二驱动件控制移动辊沿第一方向和第二方向移动。
根据本申请的一些实施例，换卷机构还包括摇臂，摇臂一端与移动辊连接，另一端与第二平移组件连接，摇臂用于驱动移动辊摆动。
第二平移组件可以驱动摇臂和移动辊一并沿第二方向移动，摇臂可以驱动移动辊进行摆动，从而方便在驱动带材换卷过程中避让其他零部件。
根据本申请的一些实施例，收卷机构还包括多根过辊，过辊沿传输路径设置，各收卷轴与至少一根过辊配合，以形成不同的传输路径。
一个或多根过辊可以限定出不同传输路线，以符合生产需要；过辊还能保证带材处于张紧状态，确保带材传输稳定。
第二方面，本申请还提供了一种收卷方法，包括：
将带材收卷于第一收卷轴中；
在第一收卷轴收卷的带材达到预定尺寸时，将换卷机构带动带材从第一收卷轴向第二收卷轴靠近，以使带材从第一收卷轴切换至第二收卷轴；
将带材收卷于第二收卷轴中。
本申请提供的收卷方法通过换卷机构进行换卷，换卷效率高；进行换卷时，不需要移动收卷轴，从而省去现有技术中的转塔，也省去了预留给收卷轴交换位置所需的移动空间，使得收卷、换卷过程中占用空间小；换卷过程中，仅需要控制换卷机构移动，使得控制简单。
根据本申请的一些实施例，换卷机构带动带材从第一收卷轴向第二 收卷轴靠近，包括：
将换卷机构沿第一方向移动，以使从第一收卷轴向第二收卷轴靠近，其中，第一收卷轴和第二收卷轴沿第一方向相对且间隔设置。
将换卷机构沿第一方向移动，以进一步实现换卷，操作方法简单、易实现。
根据本申请的一些实施例，换卷机构带动带材从第一收卷轴向第二收卷轴靠近，之前包括：
将换卷机构沿第二方向移动，以使换卷机构沿第二方向插入带材与收卷轴之间，第二方向为第一收卷轴的延伸方向。
通过换卷机构沿第二方向移动，使得在正常收卷状态下，换卷机构可沿第二方向移动而设置在收卷机构外，从而避免换卷机构妨碍收卷机构正常收卷带材；而在收卷装置换卷状态下，换卷机构可以沿第二方向移动以插入带材与收卷轴之间，可以进一步沿第一方向移动，以带动带材从一根收卷轴切换至至另一收卷轴收卷。
根据本申请的一些实施例，换卷机构沿第二方向移动，之后包括：
将换卷机构进行摆动，使换卷机构和第二收卷轴沿第一方向的投影部分重合，换卷机构带动带材贴靠在第二收卷轴上。
通过换卷机构进行摆动，从而方便在驱动带材换卷过程中，换卷机构避让其他零部件。
根据本申请的一些实施例，将换卷机构沿第一方向移动，以使从第一收卷轴向第二收卷轴靠近，之后包括：
移动裁剪单元接触并裁断带材，以使切换至第二收卷轴的带材与第一收卷轴分离；
将换卷机构沿第二方向移动至收卷机构外侧。
上述说明仅是本申请技术方案的概述，为了能够更清楚了解本申请的技术手段，而可依照说明书的内容予以实施，并且为了让本申请的上述和其它目的、特征和优点能够更明显易懂，以下特举本申请的具体实施方式。
附图说明
为了更清楚地说明本申请实施例的技术方案，下面将对本申请实施例中所需要使用的附图作简单地介绍，显而易见地，下面所描述的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请一些实施例的收卷装置的结构示意图；
图2为本申请另一些实施例的收卷装置的结构示意图；
图3为本申请一些实施例的收卷装置的换卷原理示意图；
图4为本申请一些实施例的换卷机构的立体结构示意图；
图5为图4所示A部分的放大结构示意图；
图6为本申请另一些实施例的收卷装置的换卷原理示意图；
图7为本申请一些实施例的收卷装置的结构示意图；
图8为本申请一些实施例的收卷方法的流程示意图；
图9为本申请一些实施例的收卷方法中S200的细化流程示意图；
图10为本申请另一些实施例的收卷方法中S200的细化流程示意图。
附图标号如下：
100、收卷装置；200、带材；300、卷筒；1、收卷机构；11、收卷轴；111、轴体；112、通槽；2、换卷机构；21、移动辊；22、第一平移组件；221、第一驱动件；222、第一滑轨；223、第一导杆；23、第二平移组件；231、第二驱动件；232、第二滑轨；2321、安装台；2322、滑块；2323、滑轨主体；24、摇臂；241、移动台；242、第三驱动件；243、支撑臂；3、过辊；4、裁剪单元；41、电机；42、刀头。
具体实施方式
下面结合附图和实施例对本申请的实施方式作进一步详细描述。以下实施例的详细描述和附图用于示例性地说明本申请的原理，但不能用来限制本申请的范围，即本申请不限于所描述的实施例。
在本申请的描述中，需要说明的是，除非另有说明，“多个”的含义是两个以上；术语“上”、“下”、“左”、“右”、“内”、“外”等指示的方位或位置关系仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”、“第三”等仅用于描述目的，而不能理解为指示或暗示相对重要性。“垂直”并不是严格意义上的垂直，而是在误差允许范围之内。“平行”并不是严格意义上的平行，而是在误差允许范围之内。
在本申请中提及“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本申请的至少一些实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的独立的或备选的实施例。本领域技术人员显式地和隐式地理解的是，本申请所描述的实施例可以与其它实施例相结合。
下述描述中出现的方位词均为图中示出的方向，并不是对本申请的 具体结构进行限定。在本申请的描述中，还需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可视具体情况理解上述术语在本申请中的具体含义。
申请人发现在电池制备过程中，涉及到薄片状带材，主要包括正极极片、负极极片和隔离膜。在制备时，需要将这些带材的原材料裁切成需要的宽度，并将裁切出的带材分别卷绕以便于存储和运输，一卷较宽的带材往往可以裁切成多卷较窄的带材。可以设置多个卷轴对裁切的多个带材进行收卷，当一根收卷轴收卷完成一定长度的带材后，需要人工将带材更换至新的收卷轴继续收卷，人工更换新的收卷轴效率低下。申请人发现可以将两个收卷轴放置于转塔上，在转塔一侧设置具有裁剪刀的摇臂组件，需要更换收卷轴收卷时，转塔旋转以带动新的收卷轴向靠近摇臂组件方向转动，摇臂组件抬起将带材与新的收卷轴贴合，并裁剪带材。但是由于换卷过程中两个收卷轴需要通过转塔转动以更换位置，所以整个收卷装置占用空间大。特别是当一卷放卷带材切割后收卷于多个收卷轴时，还需要同时设置多个转塔以分别收卷切割后的带材，多个转塔导致整个收卷装置需要占用更大空间。
基于申请人发现的上述问题，申请人对现有收卷装置的结构进行了改进，本申请实施例描述的技术方案适用于任何需要对带材进行收卷的场景，该收卷装置可以单独设置，也可以设置于电池制备系统中，与电池制备系统中的其他装置配合使用。
根据本申请的一些实施例，请一并参照图1和图2。本申请提供一种收卷装置100，收卷装置100用于收卷带材200，收卷装置100包括收卷 机构1和换卷机构2，收卷机构1包括至少两根间隔设置的收卷轴11，两根收卷轴11分别用于沿不同传输路径收卷带材200；换卷机构2包括移动辊21，移动辊21用于带动带材200从一根收卷轴11切换至另一根收卷轴11，以使带材200从一个传输路径切换至另一传输路径。
本领域技术人员可以理解的是，在收卷装置100的上游，还可以设置有放卷装置、带材加工装置等，绕卷的待加工带材200从放卷装置中出发，途径带材加工装置进行所需加工，再移动至收卷装置100，被收卷装置100收卷至收卷轴11上。带材加工装置具体可以是电镀装置、裁剪装置、涂覆装置等。收卷至不同收卷轴11的带材200在放卷装置、带材加工装置中的移动路径可以相同，也可以不同。
需要注意的是，通常带材200并不是直接卷绕在收卷轴11外壁的，收卷轴11上套有卷筒300，带材200卷绕在卷筒300外壁上，卷筒300随收卷轴11一起转动而实现带材200的收卷，收卷完成时将卷筒300连同带材200从收卷轴11上取下即可。本申请中，收卷轴11收卷带材200，也可以理解为收卷轴11转动带动带材200收卷于卷筒300上。在图1和图2所示实施例中，收卷轴11的数量为两根，所以在一根收卷轴11收卷带材200时，可以将另一收卷轴11上的卷筒300和带材200取下，并将新的卷筒300套在收卷轴11上，从而实现带材的连续收卷，提高带材200收卷效率。当然在其他实施例中，收卷机构1还可以包括更多收卷轴11，换卷机构2每次换卷时，在多根收卷轴11中的两根之间移动，以带动带材200切换至新的收卷轴11上收卷。
传输路径可以表现为带材200的移动路径，在本申请中不同收卷轴11对应有不同的传输路径，即不同收卷轴11收卷的带材200的移动路径不同，例如图1所示，位于左侧收卷轴11收卷带材200，位于右侧收卷轴 11收卷带材200时，带材200沿虚线所示路径移动。可选地，不同收卷轴11收卷的带材200的移动路径相比较，在收卷装置100上游的移动路径相同，或至少部分相同，带材200移动至收卷装置100后，根据收卷轴11所处的位置带材200的移动路径不相同。
移动辊21可以在一个或多个驱动件的驱动下进行移动。本领域技术人员可以根据实际情况，设置电机、气缸、丝杠、导轨、齿轮等结构的连接关系，以使移动辊21按照预设移动方向、行程、速度等移动。本领域技术人员可以理解的是，移动辊21不仅可以进行直线移动，还可以根据需要进行曲线移动，仅需保证移动辊21可以推动带材200靠近所需更换的收卷轴11，以使带材可以所需更换的收卷轴11上进行收卷。
请结合参阅图3，为了方便描述，以下将换卷过程中正在收卷带材200的收卷轴11称为第一收卷轴11a，未收卷带材200的收卷轴11称为第二收卷轴11b，本领域技术人员可以理解的，第一收卷轴11a和第二收卷轴11b的结构可以一致，仅根据收卷带材200状态不同进行命名区分。第一收卷轴11a收卷带材200时，带材200的一端被第一收卷轴11a限定，带材200的另一端被收卷装置100的上游装置限制，带材200的移动路径与第一收卷轴11a对应的传输路径重合。例如图3(a)、(b)、(c)所示，当第一收卷轴11a上收卷的带材200达到预设尺寸时，移动辊21移动并与带材200接触，移动辊21进一步向靠近第二收卷轴11b方向移动，使得与移动辊21接触的带材200在移动辊21的推动下逐渐靠近第二收卷轴11b，直至带材200与第二收卷轴11b上的卷筒300接触，带材200的移动路径偏离第一收卷轴11a对应的传输路径S1到达第二收卷轴11b对应的传输路径S2，再偏离第二收卷轴11b对应的传输路径S2回到第一收卷轴11a对应的传输路径S1。原第二收卷轴11b收卷的带材200达到预设尺寸时，原第二收卷轴11b可以作为新的第一收卷轴11a重复上述过程，原第 一收卷轴11a收卷替换新的卷筒300后，原第一收卷轴11a可以作为第二收卷轴11b重复上述过程。
本申请提供的收卷装置100可通过移动辊21进行换卷，换卷效率高；在换卷时，收卷轴11的位置不发生变化，从而省去现有技术中的转塔，也省去了预留给收卷轴11交换位置所需的移动空间，使得整个收卷装置100占用空间小；换卷过程中，仅换卷机构2的位置进行改变，使得收卷装置100的控制简单；通过设置移动辊21带动带材200移动，使得移动辊21对带材200施力均匀，在一定程度上避免带材200移动过程受到拉扯而发生破损，提高绕卷带材200的质量。
在收卷至一根收卷轴11的带材200与另一收卷轴11接触时，可以通过人工或自动化机械机构对带材200进行裁剪，使得从上游装置输出的带材200沿第二收卷轴11b对应的传输路径S2收卷至第二收卷轴11b。根据本申请的一些实施例，换卷机构2还包括裁剪单元4，裁剪单元4用于裁断带材200，以使收卷至一根收卷轴11并与另一收卷轴11接触的带材200分离。
当带材200收卷在一根收卷轴11，同时带材200还在移动辊21的驱动下与另一收卷轴11接触，通过裁剪单元4分割带材200，使得带材200的一部分收卷至一根收卷轴11，与外部放卷装置连接的带材200的端部开始收卷至另一收卷轴11，从而完成换卷。
请结合参阅图4，在一些实施例中，裁剪单元4可以与收卷机构1、换卷机构2独立设置，在需要对带材200进行裁剪时，裁剪单元4的刀头42沿带材200宽度方向运动划破带材200，以分割带材200；裁剪单元4的刀头42还可以是转动的，裁剪单元4的刀头42沿带材200厚度方向运动划破带材200，以分割带材200。
根据本申请的一些实施例，请结合参阅图5，移动辊21包括中空的轴体111和开设于轴体111上的通槽112，裁剪单元4至少部分设置于轴体111内，裁剪单元4的刀头42用于伸出通槽112，以裁断带材200。
刀头42可以收容于轴体111内，仅在需要裁断带材200时，伸出通槽112，裁剪带材200。裁剪单元4还可以包括驱动刀头42在通槽112伸缩的电机41，为了避免电机41妨碍移动辊21驱动带材200移动，电机41可以设置在移动辊21的端部，电机41与移动辊21沿移动辊21的延伸方向设置。当然刀头42还可以一直伸出通槽112，刀头42对应设置在带材200沿宽度方向的两侧，以避让带材200，仅在需要裁断带材200时，刀头42沿通槽112移动，即沿带材200的宽度方向移动，以裁剪带材200。
请一并参阅图2至图4，根据本申请的一些实施例，移动辊21的数量为两根，两根移动辊21沿第一方向X相对间隔设置；换卷机构2包括第一平移组件22，第一平移组件22沿第一方向X延伸，第一平移组件22与移动辊21驱动连接，以使移动辊21带动带材200从一根收卷轴11切换至另一收卷轴11。
在一些实施例中，可以预先在卷筒300外表面涂覆粘性材料，第一平移组件22推动移动辊21沿第一方向X移动，移动辊21带动带材200向第二收卷轴11b移动，使得带材200与第二收卷轴11b接触，即带材200与第二收卷轴11b上的卷筒300贴合，第二收卷轴11b转动，裁断之后的带材200可以收卷在第二收卷轴11b上。
第一平移组件22可以带动移动辊21沿第一方向X移动，以使移动辊21可以带动带材200从收卷轴11切换至另一收卷轴11收卷，实现自动收卷。
请继续一并参阅图2至图4，根据本申请的一些实施例，换卷机构2 还包括第二平移组件23，第二平移组件23沿第二方向Y延伸，第二方向Y为收卷轴11的延伸方向，第二平移组件23与移动辊21驱动连接，以驱动移动辊21沿第二方向Y插入带材200与收卷轴11之间。
第二平移组件23和第一平移组件22可以相互独立设置。第二平移组件23具体可以是设置在移动辊21一端的直线电机，以驱动移动辊21整体沿第二方向Y移动；第二平移组件23也可以是设置在移动辊21内直线电机，以推动移动辊21中部分区域进行伸缩。通过第二平移组件23可以驱动移动辊21沿第二方向Y移动，使得在收卷装置100正常收卷状态下，第二平移组件23可以驱动移动辊21与收卷机构1沿第二方向Y移动设置在收卷机构1外，从而避免移动辊21妨碍收卷机构1正常收卷带材200；而在收卷装置100换卷状态下，第二平移组件23可以驱动移动辊21插入带材200与收卷轴11之间，使得移动辊21可以在第一平移组件22进一步驱动下，完成带材200从一根收卷轴11至另一收卷轴11收卷。
根据本申请的一些实施例，第二平移组件23与第一平移组件22滑动连接。
可以通过第二平移组件23带动移动辊21和第一平移组件22一并沿第二方向Y移动，也可以通过第一平移组件22带动移动辊21和第二平移组件23一并沿第一方向Y移动。移动辊21仅需与第一平移组件22或第二平移组件23中的一者直接连接，即可实现第二平移组件23驱动移动辊21移动，以及第一平移组件22驱动移动辊21移动。例如图4所示实施例中，第一平移组件22带动移动辊21和第二平移组件23一并沿第一方向X移动，第一平移组件22可以与收卷机构1沿第二方向Y相对设置，在一定程度上避免第一平移组件22设置或移动至两根收卷轴11之间，妨碍收卷轴11收卷。
请继续一并参阅图2至图4，在一实施例中，第一平移组件22包括第一驱动件221和沿第一方向X延伸的第一滑轨222，第二平移组件23包括第二驱动件231和沿第二方向Y延伸的第二滑轨232，第一驱动件221用于驱动第二滑轨232沿第一滑轨222移动，第二驱动件231用于驱动移动辊21沿第二滑轨232移动。
可选地，在一些实施例中，第一平移组件22还包括第一导杆223，第一滑轨222的数量为两个，两个第一滑轨222分设于第一滑轨222的相对两侧，第一导杆223和两个第一滑轨222均沿第一方向X延伸，为了保证移动辊21在第一方向X上移动精准，第一驱动件221可以是电机。第二滑轨232包括安装台2321、设置于安装台2321上的多个滑块2322和滑轨主体2323，滑块2322和滑轨主体2323分设于安装台2321的相对两侧。第一导杆223和两个第一滑轨222分别至少与一个滑块2322滑动连接，使得第二滑轨232在第一平移组件22上具有多个支撑点，第一驱动件221驱动第二滑轨232沿第一方向X移动过程中，第二滑轨232移动稳定。由于第二驱动件231仅需控制移动辊21伸入或抽出收卷轴11和带材200之间，所以第二驱动件231的控制精度可以低于第一驱动件221，第二驱动件231可以采用气缸，以降低制造成本。
第二滑轨232在第一驱动件221的驱动下，可以沿第一滑轨222移动，移动辊21可以在第二驱动件231的驱动下沿第二滑轨232移动，从而可通过第一驱动件221和第二驱动件231控制移动辊21沿第一方向X和第二方向Y移动。
根据本申请的一些实施例，换卷机构2还包括摇臂24，摇臂24一端与移动辊21连接，另一端与第二平移组件23连接，摇臂24用于驱动移动辊21摆动。
可选地，摇臂24包括与第二滑轨232滑动连接的移动台241、设置于移动台241上的第三驱动件242、与第三驱动件242连接的支撑臂243，支撑臂243的一端与第三驱动件242连接，另一端与移动辊21连接，第二驱动件231驱动移动台241沿第二滑轨232移动，移动辊21随着移动台241一并沿第二滑轨232移动。第三驱动件242驱动摇臂24沿一轴线转动，该轴线沿第二方向Y延伸，移动辊21随着支撑臂243沿该轴线转动。
第二平移组件23可以驱动摇臂24和移动辊21一并沿第二方向Y移动，摇臂24可以驱动移动辊21进行曲线移动，以丰富移动辊21可移动方向，从而方便在驱动带材200换卷过程中避让其他零部件。
请结合参阅图6(a)、(b)、(c)，在一实施例中，移动辊21位于位置A，移动辊21位于收卷机构1外，移动辊21与收卷机构1沿第二方向Y相对设置。在第一收卷轴11a收卷的带材200达到预定尺寸时，在第二驱动件231的作用下，移动辊21沿第二方向Y插入第一收卷轴11a和带材200之间；在第三驱动件242的作用下，移动辊21沿第三驱动件242的轴线转动，运动至位置B，位置B在第一收卷轴11a和第二收卷轴11b沿第一方向X的连线上；在第一驱动件221的作用下，移动辊21沿第一方向X靠近第二收卷轴11b，直至移动辊21将带材200抵压至第二收卷轴11b，移动辊21运动至位置C，裁断带材200，第二收卷轴11b转动收卷带材200。在第二驱动件231的作用下，移动辊21沿第二方向Y收缩至与收卷机构1沿第二方向Y相对设置。第二收卷轴11b收卷的带材200达到预定尺寸时，第二收卷轴11b和带材200的总直径相较于第二收卷轴11b本身有所增长，移动辊21还可以在第二收卷轴11b收卷时，在第三驱动件242的作用下，沿第三驱动件242的轴线转动，远离第二收卷轴11b运动至位置D，以方便后续对第二收卷轴11b进行换卷操作时，直接在第二 驱动件231的作用下，移动辊21沿第二方向Y插入第二收卷轴11b和带材200之间。
请参阅图7，根据本申请的一些实施例，收卷机构1还包括多根过辊3，过辊3沿传输路径设置，各收卷轴11与至少一根过辊3配合，以形成不同的传输路径。
一个或多根过辊3可以限定出不同传输路线，以符合生产需要；过辊3还能保证带材200处于张紧状态，确保带材200传输稳定。
本申请提供的收卷装置100还可以包括多个收卷机构1，以及与各收卷机构1一一对应的换卷机构2，可以通过多个收卷机构1对裁剪后的同一带材原料进行分别收卷。
根据本申请的一些实施例，参见图1至图3，本申请提供了一种收卷装置100，收卷装置100包括收卷机构1和换卷机构2，收卷机构1包括至少两根间隔设置的收卷轴11，两根收卷轴11分别用于沿不同传输路径收卷带材200；换卷机构2包括移动辊21，移动辊21用于带动带材200从一根收卷轴11切换至另一根收卷轴11，以使带材200从一个传输路径切换至另一传输路径。本申请提供的收卷装置100在换卷时，收卷轴11的位置不发生变化，从而省去现有技术中的转塔，也省去了预留给收卷轴11交换位置所需的移动空间，使得整个收卷装置100占用空间小；换卷过程中，仅换卷机构2的位置进行改变，使得收卷装置100的控制简单；通过设置移动辊21带动带材200移动，使得移动辊21对带材200施力均匀，在一定程度上避免带材200移动过程受到拉扯而发生破损，提高绕卷带材200的质量。
第二方面，请参阅图8，本申请还提供了一种收卷方法，包括：
S100，将带材收卷于第一收卷轴中；
S200，在第一收卷轴收卷的带材达到预定尺寸时，将换卷机构带动带材从第一收卷轴向第二收卷轴靠近，以使带材从第一收卷轴切换至第二收卷轴；
S300，将带材收卷于第二收卷轴中。
本申请提供的收卷方法可以应用于前述的收卷装置，收卷装置的相关结构，可参见上述各实施例提供的收卷装置。可以选取收卷装置中任一收卷轴为第一收卷轴，选取任一可接受带材更换的收卷轴为第二收卷轴。在步骤S200中，可控制第一收卷轴转动并收卷带材，收卷装置各收卷轴分别用于沿不同传输路径收卷带材；在第一收卷轴收卷的带材达到预定尺寸时，控制换卷机构的移动辊带动带材从第一收卷轴靠近第二收卷轴，以使带材从第一收卷轴切换收卷至第二收卷轴，且带材从一个传输路径切换至另一传输路径传输。
收卷机构中可以同时设置多根收卷轴，各根收卷轴可以依次进行带材收卷工作。可以通过检测放卷装置放卷带材的长度、速度等，计算得到收卷轴收卷带材的长度，从而判断收卷的带材是否达到预定尺寸；还可以通过检测收卷轴上绕卷的带材的总厚度，判断收卷的带材是否达到预定尺寸；还可以在带材上每间隔预定距离设置识别标识，通过检测识别标识判断是都达到预定尺寸。当一根收卷轴上收卷的带材达到预定尺寸时，表示需要进行换卷操作，带材需要转移到另一收卷轴进行收卷，执行步骤200。
本申请提供的收卷方法通过换卷机构进行换卷，换卷效率高；进行换卷时，不需要移动收卷轴，从而省去现有技术中的转塔，也省去了预留给收卷轴交换位置所需的移动空间，使得收卷、换卷过程中占用空间小；换卷过程中，仅需要控制换卷机构移动，使得控制简单。
请参阅图9，进一步地，步骤200包括：
S210，将换卷机构沿第一方向移动，以使从第一收卷轴向第二收卷轴靠近，其中，第一收卷轴和第二收卷轴沿第一方向相对且间隔设置。
可以通过第一平移组件驱动移动辊沿第一方向移动，以进一步实现换卷，操作方法简单、易实现。
进一步地，步骤210，之前包括：
S220，将换卷机构沿第二方向移动，以使换卷机构沿第二方向插入带材与收卷轴之间，第二方向为第一收卷轴的延伸方向。
可以通过第二平移组件驱动移动辊沿第二方向移动，使得在正常收卷状态下，可以通过第二平移组件驱动移动辊与收卷机构沿第二方向相对设置，从而避免移动辊妨碍收卷机构正常收卷带材；而在收卷装置换卷状态下，可以驱动第二平移组件驱动移动辊插入带材与收卷轴之间，再进一步控制第一平移组件驱动收卷轴带动带材从一根收卷轴至另一收卷轴收卷。
进一步地，步骤220之后包括：
S230，将换卷机构进行摆动，使换卷机构和第二收卷轴沿第一方向的投影部分重合，换卷机构带动带材贴靠在第二收卷轴上。
可以控制换卷机构的摇臂驱动移动辊进行摆动，从而方便在驱动带材换卷过程中，换卷机构避让其他零部件。
本领域技术人员可以理解的是，在不需要进行换卷操作时，仍然可以控制换卷机构的摇臂、第一平移组件、第二平移组件驱动移动辊移动，以使移动辊避让移动辊正常收卷带材。
请参阅图10，在另一些实施例中，S210之后包括：
S240，移动裁剪单元接触并裁断带材，以使切换至第二收卷轴的带材与第一收卷轴分离；
S250，将换卷机构沿第二方向移动至收卷机构外侧。
通过裁剪单元裁断带材，使得第一收卷轴不再收卷新的带材，而新的带材全部收卷至第二收卷轴。换卷机构可以通过控制第二平移组件驱动移动辊移动，移动辊移动至收卷机构外侧，在一定程度上避免换卷机构妨碍第二收卷轴收卷。
最后应说明的是：以上各实施例仅用以说明本申请的技术方案，而非对其限制；尽管参照前述各实施例对本申请进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例技术方案的范围，其均应涵盖在本申请的权利要求和说明书的范围当中。尤其是，只要不存在结构冲突，各个实施例中所提到的各项技术特征均可以任意方式组合起来。本申请并不局限于文中公开的特定实施例，而是包括落入权利要求的范围内的所有技术方案。

Claims (14)

  1. 一种收卷装置，用于收卷带材，其特征在于，包括：
    收卷机构，包括至少两根间隔设置的收卷轴，两根所述收卷轴分别用于沿不同传输路径收卷所述带材；
    换卷机构，包括移动辊，所述移动辊用于带动所述带材从一根所述收卷轴切换至另一根所述收卷轴，以使所述带材从一个所述传输路径切换至另一所述传输路径。
  2. 根据权利要求1所述的收卷装置，其特征在于，所述换卷机构还包括裁剪单元，所述裁剪单元设置于所述收卷轴之间，所述裁剪单元用于裁断所述带材，以使切换至另一所述收卷轴的所述带材与一根所述收卷轴分离。
  3. 根据权利要求2所述的收卷装置，其特征在于，所述移动辊包括中空的轴体和开设于所述轴体上的通槽，所述通槽沿所述移动辊的轴线方向设置，所述裁剪单元至少部分设置于所述轴体内，所述裁剪单元的刀头用于伸出所述通槽，以裁断所述带材。
  4. 根据权利要求1-3中任一项所述的收卷装置，其特征在于，所述收卷轴的数量为两根，两根所述收卷轴沿第一方向相对间隔设置；所述换卷机构包括第一平移组件，所述第一平移组件沿所述第一方向延伸，所述第一平移组件与所述移动辊驱动连接，以使所述移动辊带动所述带材从一根所述收卷轴切换至另一根所述收卷轴。
  5. 根据权利要求4所述的收卷装置，其特征在于，所述换卷机构还包括第二平移组件，所述第二平移组件沿第二方向延伸，所述第二方向为所述收卷轴的延伸方向，所述第二平移组件与所述移动辊驱动连接，以驱动所述移动辊沿所述第二方向插入所述带材与所述收卷轴之间。
  6. 根据权利要求5所述的收卷装置，其特征在于，所述第二平移组件与所述第一平移组件滑动连接。
  7. 根据权利要求5或6所述的收卷装置，其特征在于，所述第一平移组件包括第一驱动件和沿所述第一方向延伸的第一滑轨，所述第二平移组件包括第二驱动件和沿所述第二方向延伸的第二滑轨，所述第一驱动件用于驱动所述第二滑轨沿所述第一滑轨移动，所述第二驱动件用于驱动所述移动辊沿所述第二滑轨移动。
  8. 根据权利要求5-7中任一项所述的收卷装置，其特征在于，所述换卷机构还包括摇臂，所述摇臂一端与所述移动辊连接，另一端与所述第二平移组件连接，所述摇臂用于驱动所述移动辊摆动。
  9. 根据权利要求1-8中任一项所述的收卷装置，其特征在于，所述收卷机构还包括多根过辊，所述过辊沿所述传输路径设置，各所述收卷轴与至少一个所述过辊配合，以形成不同的所述传输路径。
  10. 一种收卷方法，用于收卷带材，其特征在于，包括：
    将所述带材收卷于第一收卷轴中；
    在所述第一收卷轴收卷的所述带材达到预定尺寸时，将换卷机构带动所述带材从所述第一收卷轴向第二收卷轴靠近，以使所述带材从所述第一收卷轴切换至所述第二收卷轴；
    将所述带材收卷于所述第二收卷轴中。
  11. 根据权利要求10所述的收卷方法，其特征在于，所述换卷机构带动所述带材从所述第一收卷轴向第二收卷轴靠近，包括：
    将所述换卷机构沿第一方向移动，以使从所述第一收卷轴向所述第二收卷轴靠近，其中，所述第一收卷轴和所述第二收卷轴沿所述第一方向相对且间隔设置。
  12. 根据权利要求11所述的收卷方法，其特征在于，所述换卷机构带 动所述带材从所述第一收卷轴向第二收卷轴靠近，之前包括：
    将所述换卷机构沿第二方向移动，以使所述换卷机构沿所述第二方向插入所述带材与所述收卷轴之间，所述第二方向为所述第一收卷轴的延伸方向。
  13. 根据权利要求12所述的收卷方法，其特征在于，所述换卷机构沿第二方向移动，之后包括：
    将所述换卷机构进行摆动，使所述换卷机构和所述第二收卷轴沿所述第一方向的投影部分重合，所述换卷机构带动所述带材贴靠在所述第二收卷轴上。
  14. 根据权利要求12或13所述的收卷方法，其特征在于，所述将所述换卷机构沿第一方向移动，以使从所述第一收卷轴向所述第二收卷轴靠近，之后包括：
    移动裁剪单元接触并裁断所述带材，以使切换至所述第二收卷轴的所述带材与所述第一收卷轴分离；
    将所述换卷机构沿所述第二方向移动至所述收卷机构外侧。
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CN213059556U (zh) * 2020-09-03 2021-04-27 常州金纬化工成套设备有限公司 分条收卷机
CN215592164U (zh) * 2021-07-29 2022-01-21 宁德时代新能源科技股份有限公司 一种收卷系统

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