WO2023005521A1 - 一种收卷系统 - Google Patents

一种收卷系统 Download PDF

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Publication number
WO2023005521A1
WO2023005521A1 PCT/CN2022/100466 CN2022100466W WO2023005521A1 WO 2023005521 A1 WO2023005521 A1 WO 2023005521A1 CN 2022100466 W CN2022100466 W CN 2022100466W WO 2023005521 A1 WO2023005521 A1 WO 2023005521A1
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WO
WIPO (PCT)
Prior art keywords
winding
strip
turntable
adjacent
shafts
Prior art date
Application number
PCT/CN2022/100466
Other languages
English (en)
French (fr)
Inventor
施奇雯
王寒
杨前程
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 EP22848128.9A priority Critical patent/EP4242150A4/en
Publication of WO2023005521A1 publication Critical patent/WO2023005521A1/zh
Priority to US18/333,365 priority patent/US20230322514A1/en

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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
    • B65H19/28—Attaching the leading end of the web to the replacement web-roll core or spindle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/24—Transferring coils to or from winding apparatus or to or from operative position therein; Preventing uncoiling during transfer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/006—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only winding-up or winding-off several parallel metal bands
    • 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
    • B65H19/2207—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
    • B65H19/2215—Turret-type with two roll supports
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H01M10/0404—Machines for assembling batteries
    • H01M10/0409—Machines for assembling batteries for cells with wound electrodes
    • 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
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • 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
    • B65H2408/231—Turret winders
    • B65H2408/2313—Turret winders with plurality of reel supporting or back-up rollers travelling around turret axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/72—Fuel cell manufacture

Definitions

  • the present application relates to the technical field of battery manufacturing equipment, in particular to a winding system.
  • the sheet-shaped strips involved mainly include positive electrode sheets, negative electrode sheets and separators.
  • the raw materials of these strips need to be cut into required widths, and the cut strips are wound separately.
  • a roll of wider strips can often be cut into multiple rolls of narrower strips.
  • a rewinding system is used to rewind the cut strips.
  • the usual rewinding system can only rewind one roll of strips at a time, and cannot simultaneously rewind multiple strips. low efficiency.
  • the embodiment of the present application provides a winding system, which solves the problem of low efficiency when winding the strip.
  • the embodiment of the present application provides a winding system, and the winding system includes:
  • a drive assembly for conveying the strip along a plurality of paths, each path capable of conveying at least one strip;
  • the winding device includes a turntable and a plurality of winding shafts.
  • the strips of each path are respectively wound on one of the winding shafts, and the two adjacent winding shafts are not wound at the same time; the turntable can rotate around its own axis, and the turntable is configured as When turning over a predetermined angle, the strips in different paths can be switched from one winding shaft to another winding shaft respectively.
  • the application enables multiple strips to be wound on the winding device at the same time, and the winding system does not need to be shut down during the process of switching the winding shaft, so as to achieve continuous winding and greatly improve the winding efficiency.
  • the included angles formed by the connecting surfaces between the axes of any two adjacent winding shafts and the rotation axis of the turntable are equal, so that when the turntable rotates through a predetermined angle, the strips of each path can be drawn from one to the other.
  • the root winding shaft switches to the winding shaft on the respective adjacent side.
  • the predetermined angle can be set to be equal to the degrees of the included angle.
  • each winding shaft located upstream in the direction of rotation can rotate to the adjacent one located downstream in the direction of rotation.
  • the switching of the strip on the adjacent winding shaft is realized, and in each strip switching process, the turntable needs to rotate at the same angle, so as to facilitate the control of the winding system.
  • the plurality of winding shafts are distributed in a circular array around the rotation center of the turntable.
  • each winding shaft located upstream in the direction of rotation can rotate to the angular direction where the winding shafts adjacent to it and located downstream in the direction of rotation are located, and the winding shafts located downstream and The location of the adjacent rewinding shaft, so as to replace it for rewinding, and complete a switching of the rewinding shaft.
  • auxiliary rollers are provided on the turntable, and the auxiliary rollers are configured to be located between two adjacent winding shafts in the circumferential direction of the turntable, and are used to support the strip during the switching process.
  • the strip is cut under the support of the auxiliary roller to prevent the extrusion force when cutting the strip from damaging the winding of the strip on two adjacent winding shafts.
  • the auxiliary roller is arranged on the angle bisector of the included angle.
  • two adjacent auxiliary rollers have a first common tangent, and the first common tangent is a common tangent to the side of the two auxiliary rollers away from the center of the turntable;
  • the first common tangent intersects the winding shaft between two adjacent auxiliary rollers
  • the take-up shaft located between two adjacent auxiliary rollers is located on the side of the first common tangent away from the rotation center of the turntable, so as to ensure that the strip can be attached to the take-up shaft during switching.
  • auxiliary rollers there are a plurality of auxiliary rollers, and the distances between the axes of the plurality of auxiliary rollers and the axis of the turntable are equal.
  • the drive assembly includes idler rollers for tensioning the strip on the path.
  • the strip when the transmission path of the strip is long, the strip is bypassed by setting the passing rollers at intervals, thereby preventing the strip from sagging, shaking and wrinkling;
  • the laminating direction on the passing roller and the size of the laminating surface can change the conveying direction of the strip, thereby controlling the conveying of the strip along the specified path.
  • the winding device further includes a cleaning component for cleaning debris on the surface of the strip.
  • the cleaning assembly includes a brush roller, and the strip contacts the brush roller during transport to remove impurities on the surface of the strip.
  • the brush roller sweeps away the debris on the surface of the strip when the strip passes through, and through friction with the surface of the strip, it can not only sweep away the floating dust, but also brush off the sticky debris on the surface of the strip, and because The soft surface of the brush roller will not hinder the conveying of the strip, nor will it damage the strip.
  • the transmission assembly transmits the strips along multiple paths, and the strips of each path are respectively wound on one of the winding shafts on the turntable, so as to achieve the simultaneous winding of multiple strips; and
  • the application also enables two adjacent winding shafts to be wound at a non-simultaneous winding, so that when the turntable rotates through a predetermined angle, the strips of different paths can be switched from one winding shaft to the other, and during the switching process
  • the winding system does not need to be shut down, and can achieve continuous winding, which greatly improves the winding efficiency.
  • FIG. 1 is a schematic structural view of a winding system in a first state in an embodiment of the present application.
  • Fig. 2 is a schematic structural diagram of the winding system shown in Fig. 1 in a second state.
  • Fig. 3 is a schematic structural diagram of a winding device in an embodiment of the present application.
  • Fig. 4 is a schematic diagram of multiple strips winding side by side on the same winding shaft.
  • Fig. 5 is a schematic diagram of the state when the auxiliary roller supports the strip during the process of switching the winding shaft.
  • Fig. 6 is a schematic structural view of a winding device in another embodiment of the present application.
  • Fig. 7 is a schematic structural diagram of a winding device in another embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a tape splicing device in an embodiment of the present application.
  • multiple means more than two (including two), and similarly, “multiple groups” means more than two (including two).
  • connection or “connection” of mechanical structures It may refer to a physical connection, for example, a physical connection may be a fixed connection, such as a fixed connection through a fixture, such as a fixed connection through screws, bolts or other fasteners; a physical connection may also be a detachable connection, such as Mutual clamping or clamping connection; the physical connection may also be an integral connection, for example, welding, bonding or integrally formed connection for connection.
  • the sheet-shaped strips involved mainly include positive electrode sheets, negative electrode sheets and separators. These flake-like materials are usually longer and wider when they are rolled into the factory, and are hereinafter referred to as initial strips.
  • initial strips When the initial strip is used, it needs to be cut into the required width and length according to the needs of different batteries.
  • the cut strips need to be collected separately Rolls, a roll of initial tape can often be cut into multiple rolls of narrower tape.
  • a rewinding system is used to rewind the cut strips.
  • the usual rewinding system can only rewind one roll of strips at a time, and cannot simultaneously rewind multiple strips.
  • Simultaneous winding of multiple strips also requires a shutdown operation during the switching of the strips from one reel to another, which cannot be carried out continuously, resulting in low winding efficiency.
  • the embodiment of the present application provides a winding system, which includes: a transmission assembly 2 and a winding device 3 .
  • the transmission assembly 2 is used to transport the strip 1 along multiple paths, and at least one strip 1 can be transported on each path.
  • FIG. 1 and Fig. 2 all take four rewinding shafts 32 as an example for illustration
  • Fig. 1 is a state schematic diagram of the rewinding device 3 when rewinding in the first state
  • Fig. 2 is a state diagram of the rewinding device 3 in the second state schematic diagram.
  • FIG. 3 Schematic diagram of the state at volume time.
  • the number of winding shafts 32 that are simultaneously wound on the turntable 31 is not necessarily two or three, as long as it is ensured that two adjacent winding shafts 32 are not simultaneously wound.
  • the number of strips 1 transported on different paths may be the same or different. As shown in Figure 4, it should be noted that when a plurality of strips 1 are simultaneously transported on one path, the plurality of strips 1 are arranged side by side, and are simultaneously transported to one of the winding shafts 32 along the path, Finally, they are wound side by side on the winding shaft 32 , that is, the multiple strips 1 are respectively wound at different positions of the same winding shaft 32 .
  • the strip 1 is not directly wound on the outer wall of the reel 32, the reel is sleeved on the reel 32, the strip 1 is wound on the outer wall of the reel, and the reel rotates with the reel 32 To realize the winding of the strip 1, the reel and the strip 1 can be taken off from the winding shaft 32 when the winding is completed.
  • the distribution of the plurality of winding shafts 32 on the turntable 31 can be on one distribution circle, or on different distribution circles, that is, between the axes of the plurality of winding shafts 32 and the rotation axis of the turntable 31.
  • the distances can be equal or unequal.
  • the angle A formed by the connecting surface between the axis of the adjacent winding shaft 32 and the rotation axis of the turntable 31 may be the same or different.
  • the angles at which the turntable 31 rotates need to be different.
  • the predetermined angle that the turntable 31 rotates means that the strips 1 on the multiple winding shafts 32 can be switched from one winding shaft 32 to another.
  • the angle on the reel 32 for example, the degree of the predetermined angle may be equal to or greater than the degree of the largest angle A among the plurality of angles A.
  • the empty winding shaft 32 at the upstream will gradually rotate.
  • the winding position under the premise that the transmission path of the strip 1 is unchanged in the present application, the winding position is unchanged, and the strip 1 will be switched to the winding shaft 32 at the winding position, so that the empty winding shaft 32 replaces the original winding shaft 32 at the rotated position for winding, and the winding shaft 32 wound with the strip 1 will rotate to the position of its own downstream winding shaft 32, near the position of the downstream winding shaft 32 , the personnel take off the rolled strip 1 at this position, so that the winding shaft 32 is vacant, and is used to replace the winding shaft 32 at the winding position during the next rotation.
  • the winding position refers to that when any winding shaft 32 rotates to this position, the strip can be attached to the winding shaft 32 and continues to wind up along with the rotation of the winding shaft 32.
  • the winding position is a general orientation relative to the axis of the turntable 31 , and does not refer to a characteristic position on the turntable 31 .
  • the winding shaft 32 of the upstream refers to the winding shaft 32 adjacent to the winding shaft 32 that is positioned at the rotation direction rear of the rotating disk 31 and is wound with the strip material 1;
  • Both the upstream winding shaft 32 and the downstream winding shaft 32 are relative concepts with reference to the winding shaft on which the strip 1 is wound.
  • the embodiment of the present application enables multiple strips 1 to be wound on the winding device 3 at the same time, and the winding system does not need to be shut down during the process of switching the winding shaft 32, so as to achieve continuous winding and greatly improve the winding efficiency.
  • the embodiment of the present application only uses one winding device 3 to achieve continuous winding of multiple strips 1 at the same time, which reduces the footprint of the equipment and reduces the labor of personnel operating back and forth between multiple pieces of equipment. Strength, easy to use.
  • the winding shaft 32 is a slip shaft, and the inner wall of the reel is squeezed by controlling the local expansion of the slip shaft, so that the reel is fixed on the slip shaft to facilitate constant tension rewinding; When reeling, the reel is released through partial retraction of the slip shaft, so that the reel can be connected with the strip 1 to be removed.
  • the angle A formed by the connecting surface between the axes of any two adjacent winding shafts 32 and the rotation axis of the turntable 31 is equal, so that when the turntable 31 rotates through a predetermined angle, the strips in each path 1 can be switched from one winding shaft 32 to the winding shaft 32 on the adjacent side respectively.
  • the predetermined angle can be equal to the degree of the included angle A.
  • each winding shaft 32 located upstream in the direction of rotation can rotate to the adjacent one located downstream in the direction of rotation.
  • the switching of the strip 1 on the adjacent rewinding shaft 32 is realized, and during each switching process of the strip 1, the rotation angle of the turntable 31 needs to be equal, so as to facilitate the winding system. control.
  • the plurality of winding shafts 32 are distributed in a circular array around the rotation center of the turntable 31 , that is, the angle A formed by the connection plane between the axes of any two adjacent winding shafts 32 and the rotation axis of the turntable 31 and the plurality of winding shafts 32 are located on the same distribution circle around the rotation axis of the turntable 31 , and the distances between two adjacent winding shafts 32 are equal.
  • each winding shaft 32 located upstream in the direction of rotation can simultaneously rotate to the angular direction where the winding shaft 32 adjacent to it and located downstream in the direction of rotation is located, And it is located at the position of the winding shaft 32 adjacent to the downstream, so as to replace it for winding, and complete the switching of the winding shaft 32 once.
  • an auxiliary roller 33 is provided on the turntable 31, and the auxiliary roller 33 is configured to be located on the circumferential direction of the turntable 31. Between two adjacent winding shafts 32, it is used to support the strip 1 during switching.
  • the strip 1 positioned between two adjacent winding shafts 32 will not immediately sag to the wound strip 1 under the support of the auxiliary roller 33, so as not to It will affect the collection of the strip 1 after winding.
  • the auxiliary roller 33 tensions the strip material 1 between two adjacent winding shafts 32, preventing the strip material 1 from vibrating, tilting, etc. question.
  • the strip material 1 can be cut off under the support of the auxiliary roller 33, so as to prevent the extrusion force from cutting the strip material 1 from damaging the strip material 1 between the adjacent two winding shafts 32. The winding on the winding shaft 32.
  • the auxiliary roller 33 is disposed on the bisector of the angle A.
  • two adjacent auxiliary rollers 33 have a first common tangent 35, and the first common tangent 35 is tangent to the side of the two auxiliary rollers 33 away from the center of the turntable 31. public tangent.
  • the first common tangent intersects the winding shaft 32 located between two adjacent auxiliary rollers 33 .
  • the take-up shaft 32 located between two adjacent auxiliary rollers 33 is located on the side of the first common tangent away from the rotation center of the turntable 31 .
  • the above scheme can ensure that when the winding shaft 32 is switched, the strip material 1 can be smoothly bonded to the winding shaft 32, that is, during the rotation of the turntable 31, after the strip material 1 bypasses an auxiliary roller 33, it must be able to be positioned on the turntable 31.
  • a winding shaft 32 adjacent to the auxiliary roller 33 in the upstream direction of rotation is in contact with and adhered to, without going over the winding shaft 32 and directly winding onto another auxiliary roller 33, thereby ensuring that the strip 1 is adjacent to the other auxiliary roller 33. Smooth switching on both reels 32.
  • auxiliary rollers 33 there are multiple auxiliary rollers 33 , and the distance between the axes of the plurality of auxiliary rollers 33 and the axis of the turntable 31 is equal, so as to facilitate the positioning and installation of the auxiliary rollers 33 on the turntable 31 .
  • the winding system further includes a cutting knife 34 for cutting the strip 1 after the strip 1 is switched on the winding shaft 32 .
  • the setting of cutter 34 can have multiple.
  • the cutter 34 is arranged at a specific position outside the turntable 31, and the cutter 34 does not rotate with the turntable 31, when the strip 1 completes a switch on the winding shaft 32 , the cutting knife 34 stretches out toward the direction close to the turntable 31, and during the stretching process, the blade contacts and cuts off the strip 1, so that the two coils are separated from each other, and then the cutting knife 34 is retracted.
  • the components that drive the cutter 34 to protrude may be air cylinders, hydraulic cylinders, motors, etc., which are not limited in this embodiment of the present application.
  • the cutting knife 34 can also be arranged on the turntable 31 and can rotate with the turntable 31. After the strip 1 completes a switch on the winding shaft 32, the cutting knife 34 extends toward the direction close to the turntable 31. In the process of stretching out, the blade contacts and cuts off the strip 1, so that the two coils are separated from each other, and then the cutting knife 34 is retracted. It should be noted that, in this embodiment, a cutting knife 34 needs to be provided between every two adjacent winding shafts 32 , so that the strip 1 can be cut off when switching between any two winding shafts 32 .
  • the transmission assembly 2 includes a passing roller 21, which is used to tension the strip 1 on the path.
  • the passing roller 21 is cylindrical.
  • the conveying direction of the strip 1 can be changed by the lamination direction of the strip 1 on the passing roller 21 and the size of the lamination surface, so as to control the conveyance of the strip 1 along a prescribed path.
  • the number of passing rollers 21 is not limited, and there can be multiple passing rollers 21 on the same path, and each passing roller 21 can be located on any side of the strip 1, which is not limited in the present application .
  • the surface layer of the passing roller 21 is a rubber layer, so as to prevent the strip 1 from slipping on the passing roller 21 and also prevent damage to the surface of the strip 1 during transmission.
  • the passing roller 21 is driven to rotate by a driving device, and is used to transport the strip 1 while supporting the strip 1 .
  • Drives include, but are not limited to, electric motors, chain drives, belt drives, gear drives.
  • the surface of the initial strip 1 may be stuck with debris, these debris may pierce the separator when inside the battery, resulting in insulation failure and the risk of internal short circuit of the battery. Therefore, it is necessary to clean the surface of the strip 1 during the winding process. to clean up.
  • the winding device 3 further includes a cleaning component 4 for cleaning debris on the surface of the strip 1 .
  • the brush roller 41 can be driven to rotate by any driving device, and the strip 1 can be cleaned during the rotation.
  • the brush roller may not rotate, and when the strip 1 passes through the bristles, the sundries on the surface of the strip 1 are removed by friction with the bristles.
  • the brush assembly 4 is arranged on a relatively vertical path that the strip 1 passes through.
  • Relatively vertical means that the strip 1 passing through the path intersects the horizontal plane.
  • the winding system also includes an unwinding device 5, a splicing device 6 and a cutting device 7, and the unwinding device 5 is used to release the initial strip; the splicing device 6 It is used to connect the tail end of one roll of initial strip and the head end of another roll of initial strip, so that the strip 1 is continuously transmitted on the path; the cutting device 7 is used to cut the initial strip along the conveying direction of the initial strip .
  • the splicing device 6 is arranged between the unwinding device 5 and the cutting device 7 , and the initial tape unwound from the unwinding device 5 first passes through the splicing device 6 and then passes through the cutting device 7 .
  • the initial strip passes through the splicing device 6, it is in an uncut state.
  • splicing it is only necessary to align and splice the tail end of one initial strip and the head end of another initial strip That is, easy to operate and easy to control the quality of splicing.
  • the splicing device 6 includes a support platform 61, a first press plate 62 and a second press plate 63 above the support platform 61, wherein the first press plate 62 and the second press plate 63 are all connected to the support There is a gap for the passage of initial strips between the platforms 61, and there is a space for pasting two initial strips between the first press plate 62 and the second press plate 63, wherein the first press plate 62 is used to roll a roll of initial strips The tail end of the first strip is pressed on the supporting platform 61, and the second pressing plate 63 is used to press the head end of another roll of initial strip on the supporting platform 61.
  • the first press plate 62 presses down, and the tail end of this initial tape is fixed; Then the head end of another roll of initial tape is put into the second press plate 63 Below, and pass through the second pressing plate 63, make the head end of this initial tape and the trailing end of last roll initial tape at least partly overlap, then control second pressing plate 63 to press down, its head end is fixed, finally, use Glue or adhesive tape connects the two layers of initial strips.
  • the first pressing plate 62 and the second pressing plate 63 are controlled away from the support platform 61, and the winding system continues to unwind and wind normally.
  • the slitting device 7 includes slitting knives arranged side by side along the width direction of the strip. When the initial strip passes through the slitting knife, the initial strip is divided into at least two narrow strips of predetermined width by the slitting knife. The strip 1 is used for subsequent winding respectively.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Replacement Of Web Rolls (AREA)
  • Winding Of Webs (AREA)

Abstract

本申请涉及电池制造设备的技术领域，尤其涉及一种收卷系统，其包括传动组件和收卷装置，传动组件用于沿多条路径传输带材，每条路径上可传输至少一条带材；收卷装置包括转盘和多根收卷轴，每条路径的带材分别收卷于其中一根收卷轴，相邻两根收卷轴非同时收卷；转盘可绕自身轴线转动，转盘被配置为转过预定角度时，不同路径的带材能够分别从一根收卷轴切换到另一根收卷轴上。本申请提供的收卷系统能够使多条带材在收卷装置上同时收卷，且在切换收卷轴的过程中收卷系统不必停机，从而达到连续收卷，大幅度提高收卷效率。

Description

一种收卷系统
相关申请的交叉引用
本申请要求享有于2021年7月29日提交的名称为“一种收卷系统”的中国专利申请202121749654.6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
本申请涉及电池制造设备的技术领域，尤其涉及一种收卷系统。
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，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系统对裁切出的带材进行收卷，但是，通常的收卷系统一次性只能够收卷一卷带材，而无法对多条带材同时收卷，收卷效率低。
发明内容
鉴于上述问题，本申请实施例提供了一种收卷系统，解决了带材收卷时效率低的问题。
本申请实施例提供了一种收卷系统，收卷系统包括：
传动组件，用于沿多条路径传输带材，每条路径上可传输至少一条带材；
收卷装置，包括转盘和多根收卷轴，每条路径的带材分别收卷于其中一根收卷轴，相邻两根收卷轴非同时收卷；转盘可绕自身轴线转动，转盘被配置为 转过预定角度时，不同路径的带材能够分别从一根收卷轴切换到另一根收卷轴上。
通过采用上述方案，传动组件可以沿多条路径传输带材，从而能够一次性引出多条带材，并将不同路径的带材同时在收卷轴上收卷；由于相邻两根收卷轴非同时收卷，所以在转盘绕自身轴线转动的过程中，处于转动方向上游的空的收卷轴会逐渐转动到收卷的位置，当带材的传输路径不变时，带材会切换到处于该收卷位置的收卷轴上，使得该空的收卷轴在转动后的位置处替代原本的收卷轴进行收卷，而卷绕有带材的收卷轴会转动到转盘转动方向的下游，在该下游位置处将收卷好的带材取下，以在后续转动过程中替换收卷位置处的收卷轴。本申请能够使多条带材在收卷装置上同时收卷，且在切换收卷轴的过程中收卷系统不必停机，从而达到连续收卷，大幅度提高收卷效率。
在一些实施例中，任意相邻的两个收卷轴的轴线与转盘的转动轴线之间的连接面形成的夹角相等，以使转盘转过预定角度时各条路径的带材均能从一根收卷轴切换到各自相邻一侧的收卷轴上。
通过采用上述方案，预定角度可以设置成与夹角的度数相等，当收卷轴转过预定角度时，每一个位于旋转方向上游的收卷轴均能转动到与之相邻的、位于旋转方向下游的收卷轴所在的角度方向上，从而实现带材在相邻收卷轴上的切换，并且每一次带材切换过程中，转盘需要转动的角度相等，从而方便对收卷系统进行控制。
在一些实施例中，多个收卷轴围绕转盘的转动中心呈圆周阵列分布。
通过采用上述方案，当收卷轴转过预定角度时，每一个位于旋转方向上游的收卷轴能转动到与之相邻的、位于旋转方向下游的收卷轴所在的角度方向上，并且位于下游的与之相邻的收卷轴所在位置上，从而替代其进行收卷，完成一 次收卷轴的切换。
在一些实施例中，转盘上设有辅助辊，辅助辊被配置为在转盘的圆周方向上位于相邻两根收卷轴之间，用于在切换过程中支撑带材。
通过采用上述方案，在收卷轴的切换过程中，当位于转盘的转动方向上游的、与收卷位置相邻的收卷轴上的带材还未被取走时，不断传送到收卷装置的带材在辅助辊的支撑作用下不会立即下垂到还未被取走的带材上，从而不会影响收卷后的带材的收取；其次，辅助辊在相邻两个收卷轴之间张紧带材，防止带材在相邻两个收卷轴之间的走带路径过长导致的带材抖动、倾斜等问题；再次，当带材在相邻两根收卷轴上切换完成时，可以在辅助辊的支撑下切断带材，防止切割带材时的挤压力破坏带材在相邻两个收卷轴上的收卷。
在一些实施例中，辅助辊设置于夹角的角平分线上。
通过采用上述方案，无论转盘顺时针还是逆时针转动，收卷轴与位于转盘的旋转方向上游的辅助辊之间的夹角均相等，从而达到相同的支撑效果。
在一些实施例中，相邻两根辅助辊具有第一公切线，第一公切线为与两根辅助辊远离转盘中心一侧相切的公切线；
在转盘的圆周方向上，第一公切线与位于相邻两根辅助辊之间的收卷轴相交，
或者，在转盘的圆周方向上，位于相邻两根辅助辊之间的收卷轴位于第一公切线远离转盘的转动中心一侧，以确保切换时带材能与收卷轴贴合。
通过采用上述方案，在转盘的转动过程中，带材从一个辅助辊上绕过之后，必然能够与一个收卷轴接触并贴合，而不会越过收卷轴直接绕到另一个辅助辊上，从而确保了带材在相邻两个收卷轴上的正常切换。
在一些实施例中，辅助辊具有多根，多根辅助辊的轴线与转盘的轴线之间 的距离相等。
通过采用上述方案，方便辅助辊在转盘上的定位和安装。
在一些实施例中，传动组件包括过辊，用于在路径上张紧带材。
通过采用上述方案，当带材的传输路径较长时，通过间隔性的设置过辊，使带材从过辊上绕过，从而防止带材下垂、晃动和出现褶皱；此外，通过带材在过辊上贴合的方向和贴合面的大小不同可以改变带材的传输方向，从而控制带材沿规定的路径传送。
在一些实施例中，收卷装置还包括清洁组件，用于清理带材表面的杂物。
通过采用上述方案，防止带材表面的杂物污染带材，以及杂物在带材卷绕的过程中刺穿带材，造成带材的损坏。
在一些实施例中，清洁组件包括毛刷辊，带材在传输过程中与毛刷辊接触，以清除带材表面的杂物。
通过采用上述方案，毛刷辊在带材经过时扫除带材表面的杂物，并通过与带材表面的摩擦，不仅能扫除浮灰，还能刷掉带材表面粘连的杂物，且由于毛刷辊表面较软，不会阻碍带材的传输，亦不会损伤带材。
本申请实施例通过使传动组件沿多条路径传输带材，并且使每条路径的带材分别卷绕在转盘上的其中一根收卷轴上，从而达到多条带材的同时收卷；并且本申请还使相邻两根收卷轴非同时收卷，从而在转盘转过预定角度时，不同路径的带材能够分别从一根收卷轴切换到另一根收卷轴上，且在切换过程中收卷系统不必停机，可以达到连续收卷，大幅度提高收卷效率。
上述说明仅是本申请实施例技术方案的概述，为了能够更清楚了解本申请实施例的技术手段，而可依照说明书的内容予以实施，并且为了让本申请实施例的上述其它目的、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，下面将对实施例描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图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它的附图。
图1为本申请一实施例中的收卷系统在第一状态的结构示意图。
图2为图1所示收卷系统在第二状态的结构示意图。
图3为本申请一实施例中收卷装置的结构示意图。
图4为多根带材在同一根收卷轴上并排卷绕的示意图。
图5为辅助辊在切换收卷轴的过程中支撑带材时的状态示意图。
图6为本申请另一实施例中收卷装置的结构示意图。
图7为本申请又一实施例中收卷装置的结构示意图。
图8为本申请一实施例中接带装置的结构示意图。
附图标记：1、带材；2、传动组件；21、过辊；3、收卷装置；31、转盘；32、收卷轴；33、辅助辊；34、割刀；35、第一切线；4、清洁组件；41、毛刷辊；5、放卷装置；6、接带装置；61、支撑平台；62、第一压板；63、第二压板；7、分切装置。
具体实施方式
为使本申请实施例的目的、技术方案和优点更加清楚，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然， 所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例，都属于本申请保护的范围。
除非另有定义，本文所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同；本文中在申请的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本申请。
本申请的说明书和权利要求书及附图说明中的术语“包括”和“具有”以及它们的任何变形，意图在于覆盖而不排除其它的内容。单词“一”或“一个”并不排除存在多个。
在本文中提及“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个实施例中。在说明书中的各个位置出现该短语“实施例”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，本文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，并不是对本申请的收卷系统的具体结构进行限定。例如，在本申请的描述中，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所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，本申请的说明书和权利要求书或上述附图中的术语“第一”、“第二”等是用于区别不同对象，而不是用于描述特定顺序，可以明示或者隐含地包括 一个或者更多个该特征。
在本申请的描述中，除非另有说明，“多个”的含义是指两个以上(包括两个)，同理，“多组”指的是两组以上(包括两组)。
在本申请的描述中，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，机械结构的“相连”或“连接”可以是指物理上的连接，例如，物理上的连接可以是固定连接，例如通过固定件固定连接，例如通过螺丝、螺栓或其它固定件固定连接；物理上的连接也可以是可拆卸连接，例如相互卡接或卡合连接；物理上的连接也可以是一体地连接，例如，焊接、粘接或一体成型形成连接进行连接。
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。这些薄片状的材料整卷入厂时通常较长较宽，以下称之为初始带材。初始带材在使用时，需要根据不同电池的需求将其裁切成需要的宽度和长度，在将初始带材切割成较窄的带材的过程中，需要将裁切出的带材分别收卷，一卷初始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系统对裁切出的带材进行收卷，但是，通常的收卷系统一次性只能够收卷一卷带材，而无法对多条带材同时收卷，即使可以同时收卷多条带材，在带材从一个卷轴切换到另一个卷轴的过程中也需要停机操作，无法连续进行，从而造成收卷效率低。
为此，另有一些现有技术中，则配置多台收卷设备对裁切出的带材分别收卷，该方式造成整个收卷系统的占地面积较大，这不仅浪费场地成本，还使得人员在多个收卷装置之间来回操作，造成操作不便。
鉴于此，如图1、图2所示，本申请实施例提供了一种收卷系统，收卷系统包括：传动组件2和收卷装置3。
传动组件2用于沿多条路径传输带材1，每条路径上可传输至少一条带材1。
收卷装置3，包括转盘31和多根收卷轴32，每条路径的带材1分别收卷于其中一根收卷轴32，相邻两根收卷轴32非同时收卷；转盘31可绕自身轴线转动，转盘31被配置为转过预定角度时，不同路径的带材1能够分别从一根收卷轴32切换到另一根收卷轴32上。
图1和图2均以四根收卷轴32为例进行示例性说明，图1为收卷装置3在第一状态下收卷时的状态示意图，图2为收卷装置3在第二状态的示意图。当然，同一转盘31上的收卷轴32还可以有更多的数量，例如，如图3所示，图3示意出了一个收卷装置3具有6根收卷轴32，且在第一状态下收卷时的状态示意图。而转盘31上同时收卷的收卷轴32的数量不一定为两个或三个，只要保证相邻的两个收卷轴32不同时收卷即可。
其中，不同路径上传输的带材1数量可以相同也可以不同。如图4所示，需要注意的是，当一条路径上同时传输多条带材1时，多条带材1之间并排设置，并同时沿着该路径传输到其中一根收卷轴32上，最终并排收卷于该收卷轴32上，即多根带材1分别收卷于同一根收卷轴32的不同位置。
需要注意的是，通常带材1并不是直接卷绕在收卷轴32外壁的，收卷轴32上套有卷筒，带材1卷绕在卷筒外壁上，卷筒随收卷轴32一起转动而实现带材1的收卷，收卷完成时将卷筒连同带材1从收卷轴32上取下即可。
还需说明的是，转盘31上的多根收卷轴32的分布可以是在一个分布圆上，也可以是在不同分布圆上，即多根收卷轴32的轴线与转盘31的转动轴线之间的距离可以相等也可以不相等。
在转盘31的转动过程中，相邻收卷轴32的轴线与转盘31的转动轴线之间 的连接面构成的夹角A可能相同也可能不同，当夹角A不同时，带材1在相邻两个收卷轴32之间完成切换时需要转盘31转过的角度不同。当转盘31上有多根收卷轴32在同时收卷时，转盘31转过的预定角度是指多根收卷轴32上的带材1均能够从一根收卷轴32上切换到另一根收卷轴32上的角度，例如，预定角度的度数可以等于或大于多个夹角A中的角度最大的夹角A的度数。
通过采用上述方案，由于相邻两根收卷轴32非同时收卷，所以在转盘31绕自身轴线转动的过程中，沿着转盘31的转动方向上，处于上游的空的收卷轴32会逐渐转动到收卷位置，在本申请中带材1的传输路径不变的前提下，收卷位置不变，带材1会切换到处于该收卷位置的收卷轴32上，使得该空的收卷轴32在转动后的位置处替代原本的收卷轴32进行收卷，而卷绕有带材1的收卷轴32会转动到其本身的下游的收卷轴32所在位置，下游的收卷轴32所在位置附近，人员在该位置处将收卷好的带材1取下，以使收卷轴32空出，用于在下一次转动过程中替换收卷位置处的收卷轴32。
其中，收卷位置是指当任一收卷轴32转动到该位置上时，带材能够贴合到该收卷轴32上并随着该收卷轴32的转动而持续收卷的位置，收卷位置是一个相对转盘31的轴线而言的大体的方位，并不是指转盘31上的特性位置。
而上游的收卷轴32是指位于转盘31的转动方向后方的、与收卷有带材1的收卷轴32相邻的收卷轴32；下游的收卷轴32是指位于转盘的转动方向前方的、与收卷有带材1的收卷轴32相邻的收卷轴32。上游的收卷轴32和下游的收卷轴32均是一个以卷绕有带材1的收卷轴为参照的相对的概念。
本申请实施例能够使多条带材1在收卷装置3上同时收卷，且在切换收卷轴32的过程中收卷系统不必停机，从而达到连续收卷，大幅度提高收卷效率。
此外，本申请实施例仅使用一台收卷装置3即可达到多条带材1的同时连续收卷，减小了设备的占地面积，降低了人员在多台设备之间来回操作的劳动强度，方便了使用。
在一些实施例中，收卷轴32为滑差轴，通过控制滑差轴的局部外扩而挤压卷筒内壁，从而将卷筒固定在滑差轴上，便于恒张力收卷；取下卷筒时，通过滑差轴的局部缩回而放松卷筒，以便于将卷筒连通带材1取下。在一些实施例中，任意相邻的两个收卷轴32的轴线与转盘31的转动轴线之间的连接面形成的夹角A相等，以使转盘31转过预定角度时各条路径的带材1均能从一根收卷轴32切换到各自相邻一侧的收卷轴32上。
通过采用上述方案，预定角度可以与夹角A的度数相等，当收卷轴32转过预定角度时，每一个位于旋转方向上游的收卷轴32均能转动到与之相邻的、位于旋转方向下游的收卷轴32所在的角度方向上，从而实现带材1在相邻收卷轴32上的切换，并且每一次带材1切换过程中，转盘31需要转动的角度相等，从而方便对收卷系统进行控制。
在一些实施例中，多个收卷轴32围绕转盘31的转动中心呈圆周阵列分布，即任意相邻的两个收卷轴32的轴线与转盘31的转动轴线之间的连接面形成的夹角A相等，且多个收卷轴32均围绕转盘31的转动轴线位于同一分布圆上，以及相邻两个收卷轴32之间的距离相等。
通过采用上述方案，当收卷轴32转过预定角度时，每一个位于旋转方向上游的收卷轴32均能同时转动到与之相邻的、位于旋转方向下游的收卷轴32所在的角度方向上，并且位于下游的与之相邻的收卷轴32所在位置上，从而替代其进行收卷，完成一次收卷轴32的切换。由于每一次切换过程中，均有一个空 的收卷轴32转到已收卷完成的收卷轴32所在的位置，同时，已经收卷完成的收卷轴32转出该位置，所以不需要调整传输路径即可实现带材1在不同收卷轴32上的切换；此外，在该方案中，多个收卷轴32之间的距离相等，所以每个收卷轴32上可收卷带材1的最大卷径相同，有利于标准化生产。
在收卷轴32的切换过程中，当位于转盘31的转动方向上游的、与收卷位置相邻的收卷轴32上的已经收卷好的带材1还未被取走时，需要限制位于相邻两个收卷轴32之间的带材1的下垂，防止带材1在已经收卷后的带材1上发生缠绕，影响收卷质量和妨碍卷材取下。
为满足上述生产需求，如图1、图2、图3和图5所示，在一些实施例中，转盘31上设有辅助辊33，辅助辊33被配置为在转盘31的圆周方向上位于相邻两根收卷轴32之间，用于在切换过程中支撑带材1。
如图5所示，当发生上述情况时，位于相邻两个收卷轴32之间的带材1在辅助辊33的支撑作用下不会立即下垂到收卷后的带材1上，从而不会影响收卷后的带材1的收取。其次，辅助辊33在相邻两个收卷轴32之间张紧带材1，防止带材1在相邻两个收卷轴32之间的走带路径过长导致的带材1抖动、倾斜等问题。再次，当带材1在相邻两根收卷轴32上切换完成时，可以在辅助辊33的支撑下切断带材1，防止切割带材1时的挤压力破坏带材1在相邻两个收卷轴32上的收卷。
在一些实施例中，辅助辊33设置于夹角A的角平分线上。
通过采用上述方案，无论转盘31顺时针还是逆时针转动，收卷轴32与位于转盘31的旋转方向上游的辅助辊33之间的夹角A均相等，从而在同一位置处达到相同的支撑效果。
如图6、图7所示，在一些实施例中，相邻两根辅助辊33具有第一公切线35，第一公切线35为与两根辅助辊33远离转盘31中心一侧相切的公切线。
如图6所示，在转盘31的圆周方向上，第一公切线与位于相邻两根辅助辊33之间的收卷轴32相交。
或者，如图7所示，在转盘31的圆周方向上，位于相邻两根辅助辊33之间的收卷轴32位于第一公切线远离转盘31的转动中心一侧。
上述方案能够确保切换收卷轴32时，带材1能顺利与收卷轴32贴合，即在转盘31的转动过程中，带材1从一个辅助辊33上绕过之后，必然能够与位于转盘31的转动方向上游的、与该辅助辊33相邻的一个收卷轴32接触并贴合，而不会越过该收卷轴32直接绕到另一个辅助辊33上，从而确保了带材1在相邻两个收卷轴32上的顺利切换。
在一些实施例中，辅助辊33具有多根，多根辅助辊33的轴线与转盘31的轴线之间的距离相等，从而方便辅助辊33在转盘31上进行定位和安装。
如图1、图2所示，在一些实施例中，收卷系统还包括割刀34，割刀34用于在带材1完成在收卷轴32上的切换之后切断带材1。割刀34的设置可以有多种。
如图1和图2所示，在一些实施例中，割刀34设置在转盘31外部的特定位置，并且割刀34不随转盘31转动，当带材1完成一次在收卷轴32上的切换之后，割刀34向靠近转盘31的方向上伸出，伸出的过程中，刀刃接触并切断带材1，使得两卷卷材之间相互分离，然后割刀34收回。驱动割刀34伸出的部件可以是气缸、液压缸、电机等，本申请实施例不做限定。
在一些实施例中，割刀34还可以设置在转盘31上，并能够随转盘31转动， 当带材1完成一次在收卷轴32上的切换之后，割刀34向靠近转盘31的方向上伸出，伸出的过程中，刀刃接触并切断带材1，使得两卷卷材之间相互分离，然后割刀34收回。需要注意的是，在此实施例中，需要在每两个相邻的收卷轴32之间设置割刀34，从而使带材1在任意两个收卷轴32上切换时均能被切断。
在一些实施例中，传动组件2包括过辊21，过辊21用于在路径上张紧带材1，示例性的，过辊21为圆柱状。当带材1的传输路径较长时，通过间隔性的设置过辊21，使带材1从过辊21上绕过，张紧带材1从而防止带材1下垂、晃动和出现褶皱；此外，通过带材1在过辊21上贴合的方向和贴合面的大小不同可以改变带材1的传输方向，从而控制带材1沿规定的路径传送。
在本申请实施例中，对过辊21的数量不做限制，而且同一路径上可以具有多个过辊21，每一个过辊21可以位于带材1的任意一侧，本申请对此不作限定。
在一些实施例中，过辊21表层为橡胶层，从而防止带材1在过辊21上打滑，也可以防止在传送过程中对带材1表面造成损伤。
在一些实施例中，过辊21被驱动装置驱动而转动，用于在支撑带材1的同时传输带材1。驱动装置包括但不限于电机、链传动装置、带传送装置、齿轮传动装置。
由于初始带材1表面可能粘有杂物，这些杂物处于电池内部时可能会刺穿隔离膜，导致绝缘失效而造成电池内部短路等风险，因此，在收卷过程中需要对带材1表面进行清理。
为满足上述需求，如图1、图2和图3所示，在一些实施例中，收卷装置3还包括清洁组件4，用于清理带材1表面的杂物。
在一些实施例中，清洁组件4包括毛刷辊41，带材1在传输过程中与毛刷 辊41接触，以清除带材1表面的杂物。示例性的，毛刷辊41包括圆柱形芯材和连接于芯材的圆柱面上的刷毛，带材1在传输的过程中与毛刷辊41的刷毛接触，不仅对带材1表面的浮灰进行刷除，还能对与带材1表面有轻微粘连的杂物进行刷除。
同样的，毛刷辊41可以被任意驱动装置驱动而转动，在转动过程中对带材1进行清洁。当然，在一些实施例中，毛刷辊也可以不转动，在带材1经过刷毛时，通过与刷毛的摩擦而扫除带材1表面的杂物。
通过采用上述方案，能够防止带材1表面的杂物污染带材1甚至刺穿带材1，造成带材1的损坏。
在一些实施例中，为了对带材1厚度方向的两侧表面均进行清洁，毛刷辊41至少具有两根，且分布在带材1厚度方向的两侧。
此外，为了便于清除的杂物掉落，毛刷组件4设置在带材1经过的相对竖直的路径上，相对竖直是指经过该段路径的带材1与水平面相交。
如图1、图2所示，在一些实施例中，收卷系统还包括放卷装置5、接带装置6和分切装置7，放卷装置5用于放出初始带材；接带装置6用于连接一卷初始带材的尾端和另一卷初始带材的首端，使得带材1在路径上连续传输；分切装置7用于沿初始带材的输送方向上切断初始带材。
在一些实施例中，接带装置6设置在放卷装置5与分切装置7之间，从放卷装置5放出的初始带材首先经过接带装置6，再经过分切装置7。当初始带材经过接带装置6时，处于未被分切的状态，在接带时只需对一根初始带材的尾端和另一根初始带材的首端进行一次对齐并接带即可，方便操作，便于控制接带质量。
如图8所示，在一些实施例中，接带装置6包括支撑平台61、位于支撑平台61上方的第一压板62和第二压板63，其中第一压板62和第二压板63均与支撑平台61之间具有供初始带材通过的间隙，第一压板62和第二压板63之间具有用于粘贴两根初始带材的空间，其中，第一压板62用于将一卷初始带材的尾端压在支撑平台61上，第二压板63用于将另一卷初始带材的首端压在支撑平台61上。
当一卷初始带材的尾端经过第二压板63后，第一压板62下压，将该初始带材的尾端固定；然后将另一卷初始带材的首端放入第二压板63下方，并穿过第二压板63，使该初始带材的首端与上一卷初始带材的尾端至少部分重合，然后控制第二压板63下压，将其首端固定，最后，用胶水或胶带连接两层初始带材，连接好之后，控制第一压板62和第二压板63远离支撑平台61，收卷系统继续正常放卷和收卷。
在一些实施例中，分切装置7包括沿带材的宽度方向并排设置的分切刀，当初始带材经过分切刀时，初始带材被分切刀分割成至少两条预定宽度的窄的带材1，用于后续分别收卷。
综上所述，上述描述的收卷系统通过传动组件2沿多条路径传输带材1，并且使每条路径的带材1分别卷绕在转盘31上的其中一根收卷轴32上，从而达到多条带材1的同时收卷；并且本申请还使相邻两根收卷轴32非同时收卷，从而在转盘31转过预定角度时，不同路径的带材1能够分别从一根收卷轴32切换到另一根收卷轴32上，且在切换过程中收卷系统不必停机，达到连续收卷的同时可以大幅度提高收卷效率。
本领域的技术人员能够理解，不同实施例的特征的组合意味着处于本申请 的范围之内并且形成不同的实施例。例如，在权利要求书中，所要求保护的实施例的任意之一都可以以任意的组合方式来使用。
以上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精神和范围。

Claims (10)

  1. 一种收卷系统，其中，包括：
    传动组件，用于沿多条路径传输带材，每条路径上可传输至少一条带材；
    收卷装置，包括转盘和多根收卷轴，每条所述路径的带材分别收卷于其中一根所述收卷轴，相邻两根所述收卷轴非同时收卷；所述转盘可绕自身轴线转动，所述转盘被配置为转过预定角度时，不同所述路径的所述带材能够分别从一根所述收卷轴切换到另一根所述收卷轴上。
  2. 根据权利要求1所述的收卷系统，其中，任意相邻的两个所述收卷轴的轴线与所述转盘的转动轴线之间的连接面形成的夹角相等，以使所述转盘转过预定角度时各条所述路径的带材均能从一根所述收卷轴切换到各自相邻一侧的所述收卷轴上。
  3. 根据权利要求1或2所述的收卷系统，其中，所述多根收卷轴围绕所述转盘的转动中心呈圆周阵列分布。
  4. 根据权利要求2或3所述的收卷系统，其中，所述转盘上设有辅助辊，所述辅助辊被配置为在所述转盘的圆周方向上位于相邻两根所述收卷轴之间，用于在切换过程中支撑所述带材。
  5. 根据权利要求4所述的收卷系统，其中，所述辅助辊设置于所述夹角的角平分线上。
  6. 根据权利要求4或5任意一项所述的收卷系统，其中，相邻两根所述辅助辊具有第一公切线，所述第一公切线为与两根所述辅助辊远离所述转盘中心一侧相切的公切线；
    在所述转盘的圆周方向上，所述第一公切线与位于所述相邻两根辅助辊之间的所述收卷轴相交，
    或者，在所述转盘的圆周方向上，位于相邻两根所述辅助辊之间的所述收 卷轴位于所述第一公切线远离所述转盘的转动中心一侧，以确保切换时所述带材能与所述收卷轴贴合。
  7. 根据权利要求4-6任意一项所述的收卷系统，其中，所述辅助辊具有多根，多根所述辅助辊的轴线与所述转盘的轴线之间的距离相等。
  8. 根据权利要求1-7中任意一项所述的收卷系统，其中，所述传动组件包括过辊，用于在所述路径上张紧所述带材。
  9. 根据权利要求1-8中任意一项所述的收卷系统，其中，所述收卷装置还包括清洁组件，用于清理所述带材表面的杂物。
  10. 根据权利要求9所述的收卷系统，其中，所述清洁组件包括毛刷辊，所述带材在传输过程中与所述毛刷辊接触，以清除所述带材表面的杂物。
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