WO2020198906A1 - 卷绕装置 - Google Patents

卷绕装置 Download PDF

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Publication number
WO2020198906A1
WO2020198906A1 PCT/CN2019/080319 CN2019080319W WO2020198906A1 WO 2020198906 A1 WO2020198906 A1 WO 2020198906A1 CN 2019080319 W CN2019080319 W CN 2019080319W WO 2020198906 A1 WO2020198906 A1 WO 2020198906A1
Authority
WO
WIPO (PCT)
Prior art keywords
assembly
winding
needle
rotating member
reversing seat
Prior art date
Application number
PCT/CN2019/080319
Other languages
English (en)
French (fr)
Inventor
李友舟
呙德红
谭国彪
Original Assignee
深圳市诚捷智能装备股份有限公司
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 深圳市诚捷智能装备股份有限公司 filed Critical 深圳市诚捷智能装备股份有限公司
Priority to PCT/CN2019/080319 priority Critical patent/WO2020198906A1/zh
Priority to CN201980000416.4A priority patent/CN110114929B/zh
Priority to JP2019528565A priority patent/JP7048605B2/ja
Publication of WO2020198906A1 publication Critical patent/WO2020198906A1/zh

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Classifications

    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the invention relates to the technical field of battery production equipment, in particular to a winding device.
  • the existing winding device uses a motor to drive a shaft to rotate, and the shaft drives the winding needle assembly to rotate through a transmission mechanism such as a gear or a pulley, so as to realize the winding of materials such as pole pieces or foils.
  • the shaft connected to the winding needle assembly and the gear between the shaft and the motor are directly exposed to the outside, which is easy for foreign objects to enter and cause a jam phenomenon, which will not only affect The quality of battery winding can damage the machine in severe cases; on the other hand, the transmission between the motor and the shaft and the transmission mechanism between the shaft and the winding needle assembly occupy a large space.
  • the technical problem to be solved by the present invention is to provide a winding device, which can not only effectively prevent foreign objects from entering and prevent jams, but also save space.
  • a winding device including:
  • a first rotating member the first rotating member is ring-shaped, and the inner side of the first rotating member includes a first part and a second part;
  • a first drive assembly is connected to the outer surface of the first rotating member, and is used to drive the first rotating member to rotate;
  • a reversing seat the reversing seat is arranged on the frame, the first rotating member is sleeved on the reversing seat, and a first bearing is connected between the reversing seat and the first part ,
  • the side wall of the reversing seat is provided with a first escape hole at a position corresponding to the second part of the first rotating member;
  • the first transmission connection piece, the first transmission connection piece is arranged inside the reversing seat, and the first transmission connection piece passes through the first escape hole and transmits the second part of the first rotating piece Cooperate;
  • the first winding needle assembly is connected to the first transmission connecting member.
  • the second rotating member also includes a second rotating member, a second driving assembly, a second transmission connecting member, and a second winding needle assembly.
  • the structure of the second rotating member is the same as or similar to that of the first rotating member.
  • the second rotating part and the first rotating part are arranged along the axial direction of the reversing seat, and the second driving assembly is connected to the outer side surface of the second rotating part for driving the second rotating part to rotate
  • the side wall of the reversing seat is provided with a second escape hole at a position corresponding to the second part of the second rotating member;
  • the second transmission connecting member is provided inside the reversing seat, and the The second transmission connecting member passes through the second avoiding hole and is in driving engagement with the second part of the second rotating member;
  • the second winding needle assembly is connected to the second transmission connecting member.
  • first escape hole and the second escape hole are respectively located at different positions in the circumferential direction of the reversing seat.
  • the third rotating member also includes a third rotating member, a third driving assembly, a third transmission connecting member, and a third winding needle assembly.
  • the structure of the third rotating member is the same as or similar to that of the first rotating member.
  • the third rotating member, the second rotating member, and the first rotating member are sequentially arranged along the axial direction of the reversing seat, and the third drive assembly is connected to the outer surface of the third rotating member for Drive the third rotating member to rotate;
  • the side wall of the reversing seat is provided with a third escape hole at a position corresponding to the second part of the third rotating member;
  • the third transmission connecting member is arranged on the Inside the reversing seat, and the third transmission connecting piece passes through the third escape hole to cooperate with the second part of the third rotating piece;
  • the third winding needle assembly is connected to the third transmission connection Pieces.
  • first avoiding hole, the second avoiding hole and the third avoiding hole are evenly distributed in the circumferential direction of the reversing seat.
  • the outer side wall of the reversing seat is further provided with a plurality of spaced positioning blocks, and the positions of the spaced positioning blocks are respectively corresponding to the first rotating part, the second rotating part and the third rotating part.
  • the first part of the rotating part corresponds, and the length of the spacing positioning block in the axial direction of the reversing seat is greater than the first part of the first rotating part, the second rotating part and the third rotating part length.
  • a fourth drive assembly which is connected to the reversing base and used to drive the reversing base to rotate.
  • the fourth driving assembly includes a fourth driving part and a transmission mechanism, the fourth driving part is fixed on the frame, the input end of the transmission mechanism is connected with the fourth driving part, and the The output end of the transmission mechanism is sleeved outside the reversing seat.
  • the fourth driving member is a servo motor.
  • control system When the first needle winding assembly, the second winding assembly or the third winding assembly rotates the winding material, the control system is used to control the fourth drive assembly to drive the The reversing seat rotates to keep the material under tension.
  • the outer top mechanism includes a central shaft, a top plate, and a thimble. Both ends of the central shaft are fixedly connected to the reversing seat and the top plate, and the front end of the thimble is connected to the The top plate, the rear end of the thimble is matched with the first needle winding assembly, and is used to support the front end of the first needle winding assembly.
  • the needle ejection assembly includes a first cam and a first link mechanism.
  • the first cam is connected to the power output shaft of the fifth drive assembly.
  • One end of the first link mechanism is in rolling contact with the first cam
  • the first winding needle assembly includes a first shaft and a first winding needle, and an end of the first shaft away from the first winding needle is close to The other end of the first link mechanism is provided, and the rotation of the first cam causes the first link mechanism to push the first needle winding assembly forward.
  • the needle drawing assembly includes a second cam and a second link mechanism, the second cam is connected to the fifth drive assembly, and one end of the second link mechanism is connected to the The second cam is in rolling contact;
  • the second winding needle assembly includes a second shaft and a second winding needle, and an end of the second shaft far away from the second winding needle is provided with a second stopper;
  • the first The other end of the two link mechanism is located on the side of the second stopper close to the second winding needle, and the second cam rotation causes the second link mechanism to pull back the second winding needle assembly .
  • the winding needle positioning assembly includes a positioning sleeve and an elastic positioning bead, the positioning sleeve is sleeved outside the first shaft, the elastic positioning bead is stretchable along the radial direction of the positioning sleeve, and the needle ejection assembly pushes forward the In the first winding assembly, the elastic positioning bead is clamped in the annular groove.
  • the first drive assembly includes a first connecting plate, a first mounting plate, a fastener, and a first motor, the first connecting plate is connected to the frame, the first mounting plate or the first motor A waist-shaped hole is provided on the connecting plate, the fastener passes through the waist-shaped hole and connects the first mounting plate and the first connecting plate, and the first motor is fixed to the first mounting plate on.
  • the winding device of the present invention arranges the first transmission connecting piece inside the reversing seat instead of exposing it to the outside, and makes the first transmission connecting piece inside the reversing seat and the first rotating piece outside the reversing seat.
  • Transmission coordination on the one hand, makes the overall structure of the winding device more compact and saves a lot of space; on the other hand, it can prevent foreign matter from entering the first transmission connector to cause jamming and ensure the smooth progress of the winding process. The service life of the machine is also longer.
  • FIG. 1 is a schematic diagram of the rear side of the winding device according to the first embodiment of the present invention
  • Figure 2 is an exploded view of some components of the winding device of the first embodiment of the present invention.
  • Fig. 3 is a schematic structural diagram of a positioning sleeve assembly according to the first embodiment of the present invention.
  • FIG. 4 is a schematic structural view of another angle of the rear side of the winding device according to the first embodiment of the present invention.
  • FIG. 5 is a schematic diagram of some components of the winding device according to the second embodiment of the present invention.
  • Fig. 6 is a schematic structural diagram of an outer roof mechanism according to the second embodiment of the present invention.
  • the first drive assembly 41, the first connecting plate; 42, the first mounting plate; 43, the first motor;
  • the first winding needle assembly 61, the first shaft; 611, the annular groove; 62, the first winding needle; 63, the first stopper;
  • the second rotating part 9. The second drive assembly; 10. The second transmission connecting part; 11. The second winding needle assembly; 12. The third rotating part; 13. The third drive assembly; 14. The third transmission connection Pieces; 15, the third winding needle assembly; 16, the interval positioning block; 17, the fourth drive assembly;
  • Needle outlet assembly 201, first cam; 202, first linkage mechanism;
  • Needle drawing assembly 211, second cam; 212, second linkage mechanism.
  • the present invention provides a winding device, which is mainly used for winding pole pieces or foils in battery production, and of course it can also be used for winding in other industries.
  • the winding device includes a frame 1, a reversing seat 5, a first rotating member 3, a first driving assembly 4, a first transmission connecting member 2 and a first winding needle assembly 6, and the frame 1 is vertically arranged.
  • the reversing seat 5 has a cylindrical structure.
  • the reversing seat 5 is a cylindrical structure with closed ends, and the outer surface of the reversing seat 5 is rotatably connected to the frame 1 through a bearing.
  • the first driving assembly 4 is connected to the outer side surface of the first rotating member 3 for driving the first rotating member 3 to rotate.
  • the first rotating member 3 is a ring structure, which has an inner side surface and an outer side surface.
  • the inner side surface of the first rotating member 3 includes a first part 31 and a second part 32.
  • the first part 31 is a smooth cylindrical surface, and the second part 32 is Tooth-shaped; the first part 31 is sleeved outside the reversing seat 5 through the first bearing, and the side wall of the reversing seat 5 is provided with a first escape hole 51 at a position corresponding to the second part 32 of the first rotating member 3,
  • a transmission connecting piece 2 is arranged inside the reversing seat 5 and is arranged close to the first avoiding hole 51.
  • the edge of the first transmitting connecting piece 2 passes through the first avoiding hole 51 and is engaged with the second part 32 of the first rotating member 3 ,
  • the first needle reeling assembly 6 is connected to the first transmission connector 2.
  • the first transmission connection member 2 is a gear.
  • the first driving assembly 4 drives the first rotation member 3 to rotate
  • the teeth inside the first rotation member 3 will drive the first transmission connection member 2 to rotate.
  • the first winding needle assembly 6 is rotated to wind the material.
  • the first transmission connecting piece 2 is arranged inside the reversing seat 5 instead of being exposed to the outside, and the first transmission connecting piece 2 is first rotated inside the reversing seat 5 and outside the reversing seat 5
  • the meshing of the part 3 makes the structure of the winding device more compact and saves a lot of space. On the other hand, it can prevent foreign matter from entering the first transmission connecting part 2 to cause jamming, and ensure the smooth progress of the winding process. The service life of the machine is also longer.
  • the first drive assembly 4 includes a first connecting plate 41, a first mounting plate 42, a fastener, and a first motor 43.
  • the first connecting plate 41 is connected to the frame 1, and the first mounting plate 42 or the first connecting plate
  • the plate 41 is provided with a waist-shaped hole, the fastener passes through the waist-shaped hole and connects the first mounting plate 42 and the first connecting plate 41, and the first motor 43 is fixed on the first mounting plate 42.
  • the first driving assembly 4 and the second rotating member 8 are driven by belts and pulleys.
  • the power output end of the first motor 43 is connected to a driving pulley, and the first rotating member 3 is a driven pulley.
  • the first reeling needle assembly 6 includes a first shaft 61 and a first reeling needle 62.
  • the first reeling needle 62 includes a slot. When starting to wind the material, the end of the material can be locked into the slot. When 62 rotates, the material can be wound on the first winding needle 62.
  • the front end of the first shaft 61 is connected to the first winding needle 62, the rear end of the first shaft 61 includes a first stopper 63, and the first shaft 61 is connected with the inner side of the first transmission connecting member 2 by a key and a key groove, The longitudinal direction of the key is parallel to the longitudinal direction of the first shaft 61.
  • the first transmission connecting member 2 can drive the first winding needle assembly 6 to rotate, and at the same time, the first winding needle assembly 6 can move in the axial direction, thereby realizing the extension or retraction of the first winding needle 62.
  • the first winding needle 62 When the first winding needle 62 is extended, the material can be wound; when the first winding needle 62 is retracted, the material after the winding can be taken out.
  • the first shaft 61 and the reversing seat 5 are connected by the winding needle positioning assembly 7, and the first shaft 61 is provided with an annular groove 611; as shown in FIG. 3, the winding needle positioning assembly 7 includes a stop The washer 71, the positioning sleeve 72 and the elastic positioning bead 73.
  • the stop washer 71 is connected to the positioning sleeve 72 and cooperates with the positioning sleeve 72 to prevent the positioning sleeve 72 from loosening.
  • the positioning sleeve 72 is sleeved outside the first shaft 61; the elastic positioning bead 73 is stretchable along the radial direction of the positioning sleeve 72.
  • the elastic positioning bead 73 is clamped in the ring In the groove 611.
  • the cooperation of the elastic positioning column and the annular groove 611 can prevent the first winding needle assembly 6 from moving axially during the winding work, and ensure the winding quality.
  • the winding device further includes a second rotating member 8, a second driving assembly 9, a second transmission connecting member 10, and a second winding needle assembly 11.
  • the structure of 8 is the same as or similar to the structure of the first rotating member 3
  • the structure of the second drive assembly 9 is the same as that of the first drive assembly 4
  • the structure of the second needle winding assembly 11 is the same as the structure of the first needle winding assembly 6.
  • the second rotating member 8 and the first rotating member 3 are arranged in sequence along the axial direction of the reversing seat 5.
  • the second driving assembly 9 is connected to the outer side surface of the second rotating member 8 and is used to drive the second rotating member 8 to rotate;
  • the first part 31 of the rotating part 8 is connected to the reversing base 5 through a second bearing;
  • the side wall of the reversing base 5 is provided with a second escape hole 52 at a position corresponding to the second part 32 of the second rotating part 8.
  • the escape hole 51 and the second escape hole 52 are respectively located at different positions in the circumferential direction of the reversing seat 5.
  • the second transmission connecting piece 10 is arranged inside the reversing seat 5, and the second transmission connecting piece 10 passes through the second escape hole 52 to engage with the second part 32 of the second rotating member 8; the second winding needle assembly 11 is connected to the Two transmission connecting piece 10.
  • the winding device can realize the simultaneous operation of two stations to improve production efficiency.
  • the winding device further includes a third rotating member 12, a third driving assembly 13, a third transmission connecting member 14 and a third winding needle assembly 15.
  • the structure of the third rotating member 12 is similar to the first rotating member 3.
  • the structure of the third drive assembly 13 is the same as that of the first drive assembly 4, and the structure of the third needle winding assembly 15 is the same as the structure of the first needle winding assembly 6.
  • the third rotating member 12, the second rotating member 8 and the first rotating member 3 are sequentially arranged along the axial direction of the reversing seat 5.
  • the third driving assembly 13 is connected to the outer side surface of the third rotating member 12 for driving the third rotation
  • the first part 31 of the third rotating part 12 is connected to the reversing base 5 through a third bearing; the side wall of the reversing base 5 and the second part 32 of the third rotating part 12 are provided with a third Avoidance hole; the third transmission connecting member 14 is arranged inside the reversing seat 5, and the third transmission connecting member 14 passes through the third avoidance hole to engage with the second part 32 of the third rotating member 12; the third winding needle assembly 15 is connected ⁇ third transmission connecting piece 14.
  • the winding device can realize the simultaneous operation of three stations to improve production efficiency.
  • a plurality of spacing positioning blocks 16 are also provided on the outer side wall of the reversing seat 5, and the positions of the plurality of spacing positioning blocks 16 are respectively corresponding to the first part 31 of the first rotating part 3, the second rotating part 8 and the third rotating part 12.
  • the length of the spacer 16 in the axial direction of the reversing seat 5 is greater than the length of the first part 31 of the first rotating part 3, the second rotating part 8 and the third rotating part 12.
  • the spacer 16 is located between the first bearing and the second bearing or between the second bearing and the third bearing.
  • the arrangement of the spacing positioning block 16 can ensure that there is a gap between the first rotating member 3, the second rotating member 8 and the third rotating member 12, so that there is no interference and friction between each other.
  • the first avoiding holes 51, the second avoiding holes 52 and the third avoiding holes are evenly distributed in the circumferential direction of the reversing seat 5.
  • the winding device further includes a fourth drive assembly 17 connected to the reversing base 5 for driving the reversing base 5 to rotate.
  • the positions of the first needle winding assembly 6, the second needle winding assembly 11 and the third needle winding assembly 15 change.
  • the three reeling needle assemblies can respectively realize winding, gluing and reclaiming. The work of the three reeling needle assemblies is carried out at the same time, and circulates in the winding station, gluing station and reclaiming station in turn.
  • the fourth driving assembly 17 includes a fourth driving part and a transmission mechanism, the fourth driving part is fixed on the frame 1, the input end of the transmission mechanism is connected with the fourth driving part, and the output end of the transmission mechanism is sleeved on the reversing mechanism.
  • the fourth driving member is a servo motor, and the servo motor drives the reversing base 5 to rotate through a gear assembly.
  • the winding device also includes a control system.
  • the control system is used to control the servo motor to drive the change Turn to the seat 5 to keep the material under tension. Therefore, this embodiment uses a servo motor to drive the reversing base 5 to rotate. Compared with the prior art using a divider to drive the reversing base 5, this embodiment can not only adjust the winding angle at any time, but also keep the material in a tensioned state. Improve the winding quality, and can accurately control the rotation angle, but also reduce the weight of the device.
  • the winding device also includes an outer top mechanism 18 located on the front side of the frame 1, the outer top mechanism 18 includes a central shaft 181, a top plate 182, three top rods 183 and three Two thimble pins 184, both ends of the central shaft 181 are respectively fixedly connected to the reversing base 5 and the top plate 182.
  • the outer top mechanism 18 can rotate together with the reversing base 5;
  • the top rod 183 is a cylindrical structure,
  • the front end of the ejector pin 183 is connected to the top plate 182, and the ejector pin 184 is located at the center of the ejector pin 183.
  • the rear end of the ejector pin 184 can be matched with the first winding needle assembly 6 to support the first
  • the front end of the winding needle assembly 6 ensures the stability of the winding needle during the winding process.
  • the winding device also includes a fifth drive assembly 19, a needle ejection assembly 20, and a needle extraction assembly 21.
  • the fifth drive assembly 19 is used to drive the needle ejection assembly 20 and the needle extraction assembly 21 to move the needle ejection assembly.
  • the assembly 20 corresponds to the first winding needle assembly 6 (when the first winding needle assembly 6 is in the winding station), and is used to push the first winding needle 62 forward so that the first winding needle 62 can start winding the material;
  • the needle drawing assembly 21 corresponds to the second winding needle assembly 11 (when the second winding needle assembly 11 is in the reclaiming station), it is used to withdraw the second winding needle backwards, so that the reclaiming device can put the second winding needle on Take off the element.
  • the needle ejection assembly 20 includes a first cam 201 and a first link mechanism 202.
  • the first cam 201 is connected to the power output shaft of the fifth drive assembly 19, and one end of the first link mechanism 202 rolls with the first cam 201.
  • one end of the first shaft 61 away from the first winding needle 62 is disposed close to the other end of the first link mechanism 202, and the first cam 201 rotates to push the first link mechanism 202 forward to push the first winding assembly 6 forward.
  • the needle drawing assembly 21 includes a second cam 211 and a second link mechanism 212.
  • the second cam 211 is connected to the fifth drive assembly 19, and one end of the second link mechanism 212 is in rolling contact with the second cam 211;
  • the second needle winding assembly 11 includes a second shaft and a second winding needle, one end of the second shaft away from the second winding needle is provided with a second stopper; the other end of the second link mechanism 212 is located at the second stopper facing the second winding needle
  • the rotation of the second cam 211 causes the second link mechanism 212 to withdraw the second winding needle assembly 11 backward.
  • the needle ejection assembly 20 and the needle withdrawal assembly 21 can act simultaneously or separately.
  • the positions of the first cam 201 and the second cam 211 can be set according to the actual situation.
  • the winding device provided by the present invention has a simple structure, a small space occupation, and a small weight; it can prevent foreign matter from entering the transmission connector and cause jamming, ensure smooth production, and improve the service life of the machine; and the winding device During the winding process, the position of the winding needle can be adjusted at any time, so that the material to be wound is always kept under tension and the winding quality is improved.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Winding Of Webs (AREA)
  • Secondary Cells (AREA)
  • Transmission Devices (AREA)

Abstract

本发明公开了一种卷绕装置，包括机架、第一转动件、第一驱动组件、换向座、第一传动连接件和第一卷针组件，第一转动件为环状，第一转动件的内侧面包括第一部分和第二部分，第二部分为齿状；第一驱动组件连接于第一转动件的外侧面，用于驱动第一转动件转动；换向座设置于机架上，换向座与第一部分之间连接有第一轴承，换向座的侧壁与第一转动件的第二部分相对应的位置开设有第一避让孔；第一传动连接件设置于换向座内部，且第一传动连接件穿过第一避让孔与第一转动件的第二部分传动配合；第一卷针组件连接于第一传动连接件。本发明的卷绕装置的布局更加紧凑；还可防止异物进入第一传动连接件内而引起卡顿现象，使机器的使用寿命也更长。

Description

卷绕装置 技术领域
本发明涉及电池生产设备技术领域，尤其涉及一种卷绕装置。
 背景技术
在电池的生产过程中，需要将多个极片或箔片等材料进行卷绕形成素子，卷绕的过程通常是由卷绕装置来完成的。
现有的卷绕装置采用电机驱动轴杆转动，轴杆再通过齿轮或者带轮等传动机构带动卷针组件转动，从而实现极片或者箔片等材料的卷绕。
 技术问题
但是在目前的卷绕装置中，一方面，与卷针组件相连接的轴杆以及轴杆与电机之间的齿轮都是直接暴露在外面，容易有异物进入，产生卡顿现象，不仅会影响电池卷绕的质量，而且严重时会损坏机器；另一方面，电机与轴杆之间的传动以及轴杆与卷针组件之间的传动机构所占用的空间较大。
 技术解决方案
本发明所要解决的技术问题是：提供一种卷绕装置，不仅能够有效避免异物进入，防止卡顿，而且能够节省空间。
为了解决上述技术问题，本发明采用的技术方案为：
一种卷绕装置，包括：
机架；
第一转动件，所述第一转动件为环状，所述第一转动件的内侧面包括第一部分和第二部分；
第一驱动组件，所述第一驱动组件连接于所述第一转动件的外侧面，用于驱动所述第一转动件转动；
换向座，所述换向座设置于所述机架上，所述第一转动件套设于所述换向座上，所述换向座与所述第一部分之间连接有第一轴承，所述换向座的侧壁与所述第一转动件的第二部分相对应的位置开设有第一避让孔；
第一传动连接件，所述第一传动连接件设置于所述换向座内部，且所述第一传动连接件穿过所述第一避让孔与所述第一转动件的第二部分传动配合；以及
第一卷针组件，所述第一卷针组件连接于所述第一传动连接件。
进一步的，还包括第二转动件、第二驱动组件、第二传动连接件和第二卷针组件，所述第二转动件的结构与所述第一转动件的结构相同或相似，所述第二转动件和所述第一转动件沿所述换向座的轴向排列，所述第二驱动组件连接于所述第二转动件的外侧面，用于驱动所述第二转动件转动；所述换向座的侧壁与所述第二转动件的第二部分相对应的位置开设有第二避让孔；所述第二传动连接件设置于所述换向座内部，且所述第二传动连接件穿过所述第二避让孔与所述第二转动件的第二部分传动配合；所述第二卷针组件连接于所述第二传动连接件。
进一步的，所述第一避让孔和所述第二避让孔分别位于所述换向座的周向上的不同位置。
进一步的，还包括第三转动件、第三驱动组件、第三传动连接件和第三卷针组件，所述第三转动件的结构与所述第一转动件的结构相同或相似，所述第三转动件、所述第二转动件和所述第一转动件依次沿所述换向座的轴向排列，所述第三驱动组件连接于所述第三转动件的外侧面，用于驱动所述第三转动件转动；所述换向座的侧壁与所述第三转动件的第二部分相对应的位置开设有第三避让孔；所述第三传动连接件设置于所述换向座内部，且所述第三传动连接件穿过所述第三避让孔与所述第三转动件的第二部分传动配合；所述第三卷针组件连接于所述第三传动连接件。
进一步的，所述第一避让孔、所述第二避让孔和所述第三避让孔在所述换向座的周向上均匀分布。
进一步的，所述换向座的外侧壁上还设置有多个间隔定位块，所述多个间隔定位块的位置分别与所述第一转动件、所述第二转动件和所述第三转动件的第一部分相对应，且所述间隔定位块在所述换向座轴向上的长度均大于所述第一转动件、所述第二转动件和所述第三转动件的第一部分的长度。
进一步的，还包括第四驱动组件，所述第四驱动组件连接于所述换向座，用于驱动所述换向座转动。
进一步的，所述第四驱动组件包括第四驱动件和传动机构，所述第四驱动件固定于所述机架上，所述传动机构的输入端与所述第四驱动件连接，所述传动机构的输出端套设于所述换向座外。
进一步的，所述第四驱动件为伺服马达。
进一步的，还包括控制系统，在所述第一卷针组件或第二卷针组件或第三卷针组件转动卷绕材料时，所述控制系统用于控制所述第四驱动组件驱动所述换向座转动，以使材料保持张紧状态。
进一步的，还包括外顶机构，所述外顶机构包括中心轴、顶板和顶针，中心轴的两端分别固定连接于所述换向座和所述顶板，所述顶针的前端连接于所述顶板，所述顶针的后端与所述第一卷针组件相配合，用于支撑所述第一卷针组件的前端。
进一步的，还包括第五驱动组件和出针组件，所述出针组件包括第一凸轮和第一连杆机构，所述第一凸轮连接于所述第五驱动组件的动力输出轴，所述第一连杆机构的一端与所述第一凸轮滚动接触，所述第一卷针组件包括第一轴杆和第一卷针，所述第一轴杆远离所述第一卷针的一端靠近所述第一连杆机构的另一端设置，所述第一凸轮转动使所述第一连杆机构向前推出所述第一卷针组件。
进一步的，还包括抽针组件，所述抽针组件包括第二凸轮和第二连杆机构，所述第二凸轮连接于所述第五驱动组件，所述第二连杆机构的一端与所述第二凸轮滚动接触；所述第二卷针组件包括第二轴杆和第二卷针，所述第二轴杆远离所述第二卷针的一端设置有第二抵挡件；所述第二连杆机构的另一端位于所述第二抵挡件靠近所述第二卷针的一侧，所述第二凸轮转动使所述第二连杆机构向后抽回所述第二卷针组件。
进一步的，还包括卷针定位组件，所述第一轴杆与所述换向座之间通过所述卷针定位组件连接，所述第一轴杆上设置有环形凹槽，所述卷针定位组件包括定位套和弹性定位珠，所述定位套套设于所述第一轴杆外，所述弹性定位珠沿所述定位套的径向可伸缩，所述出针组件向前推出所述第一卷针组件时，所述弹性定位珠卡设于所述环形凹槽内。
进一步的，所述第一驱动组件包括第一连接板、第一安装板、紧固件和第一电机，所述第一连接板连接于所述机架，所述第一安装板或者第一连接板上设置有腰型孔，所述紧固件穿过所述腰型孔并连接所述第一安装板和所述第一连接板，所述第一电机固定于所述第一安装板上。
 有益效果
实施本发明实施例，将具有如下有益效果：
本发明的卷绕装置将第一传动连接件设置于换向座内部，而不是将其暴露在外面，并使第一传动连接件在换向座内侧与换向座外侧的第一转动件相传动配合，一方面使卷绕装置的整体结构的布局更加紧凑，节省了很多空间；另一方面，可防止异物进入第一传动连接件内而引起卡顿现象，保证卷绕过程的顺利进行，使机器的使用寿命也更长。
 附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，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。
其中：
图1为本发明实施例一的卷绕装置的后侧的结构示意图；
图2为本发明实施例一的卷绕装置的部分组件的爆炸图；
图3为本发明实施例一的定位套组件的结构示意图；
图4为本发明实施例一的卷绕装置的后侧另一角度的结构示意图；
图5为本发明实施例二的卷绕装置的部分组件的示意图；
图6为本发明实施例二的外顶机构的结构示意图；
标号说明：
1、机架；2、第一传动连接件；
3、第一转动件；31、第一部分；32、第二部分；
4、第一驱动组件；41、第一连接板；42、第一安装板；43、第一电机；
5、换向座；51、第一避让孔；52、第二避让孔；
6、第一卷针组件；61、第一轴杆；611、环形凹槽；62、第一卷针；63、第一抵挡件；
7、卷针定位组件；71、止动垫圈；72、定位套；73、弹性定位珠；
8、第二转动件；9、第二驱动组件；10、第二传动连接件；11、第二卷针组件；12、第三转动件；13、第三驱动组件；14、第三传动连接件；15、第三卷针组件；16、间隔定位块；17、第四驱动组件；
18、外顶机构；181、中心轴；182、顶板；183、顶杆；184、顶针；
19、第五驱动组件；
20、出针组件；201、第一凸轮；202、第一连杆机构；
21、抽针组件；211、第二凸轮；212、第二连杆机构。
 本发明的实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，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他实施例，都属于本发明保护的范围。
需要说明，本发明实施例中所有方向性指示（诸如上、下、左、右、前、后……）仅用于解释在某一特定姿态（如附图所示）下各部件之间的相对位置关系、运动情况等，如果所述特定姿态发生改变时，则所述方向性指示也相应地随之改变。
另外，在本发明中涉及“第一”、“第二”等的描述仅用于描述目的，而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个所述特征。另外，各个实施例之间的技术方案可以相互结合，但是必须是以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也不在本发明要求的保护范围之内。
请参照图1和图2，本发明提供一种卷绕装置，主要用于电池生产中极片或者箔片的卷绕，当然也可以用于其他行业的卷绕。
该卷绕装置包括机架1、换向座5、第一转动件3、第一驱动组件4、第一传动连接件2和第一卷针组件6，机架1竖直设置。换向座5为筒状结构，优选的，换向座5为两端封闭的筒状结构，换向座5的外侧面通过轴承可转动连接于机架1。第一驱动组件4连接于第一转动件3的外侧面，用于驱动第一转动件3转动。第一转动件3为环状结构，其具有内侧面和外侧面，第一转动件3的内侧面包括第一部分31和第二部分32，第一部分31为光滑的柱面，第二部分32为齿状；第一部分31通过第一轴承套接于换向座5外，换向座5的侧壁与第一转动件3的第二部分32相对应的位置开设有第一避让孔51，第一传动连接件2设置于换向座5内部，且靠近第一避让孔51设置，第一传动连接件2的边缘穿过第一避让孔51与第一转动件3的第二部分32传动配合，第一卷针组件6连接于第一传动连接件2。在本实施例中，第一传动连接件2为齿轮，因此，在第一驱动组件4带动第一转动件3转动时，第一转动件3内侧的齿会带动第一传动连接件2转动，从而使第一卷针组件6转动，以对材料进行卷绕。本发明将第一传动连接件2设置于换向座5的内部，而不是将其暴露在外面，并使第一传动连接件2在换向座5内侧与换向座5外侧的第一转动件3啮合，一方面使卷绕装置的结构更加紧凑，节省了很多空间，另一方面，可防止异物进入第一传动连接件2内而引起卡顿现象，保证卷绕过程的顺利进行，使机器的使用寿命也更长。
具体的，第一驱动组件4包括第一连接板41、第一安装板42、紧固件和第一电机43，第一连接板41连接于机架1，第一安装板42或者第一连接板41上设置有腰型孔，紧固件穿过腰型孔并连接第一安装板42和第一连接板41，第一电机43固定于第一安装板42上。第一驱动组件4和第二转动件8之间通过皮带和带轮传动，第一电机43的动力输出端连接于主动带轮，第一转动件3为从动带轮。
第一卷针组件6包括第一轴杆61和和第一卷针62，第一卷针62包括卡槽，开始卷绕材料时，材料的端部可卡入卡槽中，第一卷针62转动时，可将材料卷绕于第一卷针62上。第一轴杆61的前端连接于第一卷针62，第一轴杆61的后端包括第一抵挡件63，第一轴杆61与第一传动连接件2的内侧通过键和键槽连接，键的长度方向与第一轴杆61的长度方向平行。因此，第一传动连接件2能够带动第一卷针组件6转动，同时第一卷针组件6能够沿轴向进行移动，从而实现第一卷针62的伸出或者缩回。第一卷针62伸出时，可实现材料的卷绕；第一卷针62缩回时，可实现卷绕后的素子的取料。
优选的，第一轴杆61与换向座5之间通过卷针定位组件7连接，第一轴杆61上设置有环形凹槽611；如图3所示，卷针定位组件7包括止动垫圈71、定位套72和弹性定位珠73，止动垫圈71连接于定位套72，与定位套72相配合，防止定位套72松动。定位套72套设于第一轴杆61外；弹性定位珠73沿定位套72的径向可伸缩，出针组件20向前推出第一卷针组件6时，弹性定位珠73卡设于环形凹槽611内。弹性定位柱与环形凹槽611的配合，可防止第一卷针组件6在进行卷绕工作的过程中发生轴向移动，保证卷绕质量。
在一实施例中，如图4和图5所示，卷绕装置还包括第二转动件8、第二驱动组件9、第二传动连接件10和第二卷针组件11，第二转动件8的结构与第一转动件3的结构相同或相似，第二驱动组件9的结构与第一驱动组件4的结构相同，第二卷针组件11与第一卷针组件6的结构相同。第二转动件8和第一转动件3沿换向座5的轴向依次排列，第二驱动组件9连接于第二转动件8的外侧面，用于驱动第二转动件8转动；第二转动件8的第一部分31通过第二轴承与换向座5连接；换向座5的侧壁与第二转动件8的第二部分32相对应的位置开设有第二避让孔52，第一避让孔51和第二避让孔52分别位于换向座5的周向上的不同位置。第二传动连接件10设置于换向座5内部，且第二传动连接件10穿过第二避让孔52与第二转动件8的第二部分32啮合；第二卷针组件11连接于第二传动连接件10。在该实施例中，卷绕装置可实现两个工位同时工作，以提高生产效率。
在一实施例中，卷绕装置还包括第三转动件12、第三驱动组件13、第三传动连接件14和第三卷针组件15，第三转动件12的结构与第一转动件3的结构相同或相似，第三驱动组件13的结构与第一驱动组件4的结构相同，第三卷针组件15与第一卷针组件6的结构相同。第三转动件12、第二转动件8和第一转动件3依次沿换向座5的轴向排列，第三驱动组件13连接于第三转动件12的外侧面，用于驱动第三转动件12转动；第三转动件12的第一部分31通过第三轴承与换向座5连接；换向座5的侧壁与第三转动件12的第二部分32相对应的位置开设有第三避让孔；第三传动连接件14设置于换向座5内部，且第三传动连接件14穿过第三避让孔与第三转动件12的第二部分32啮合；第三卷针组件15连接于第三传动连接件14。在该实施例中，卷绕装置可实现三个工位同时工作，以提高生产效率。
换向座5的外侧壁上还设置有多个间隔定位块16，多个间隔定位块16的位置分别与第一转动件3、第二转动件8和第三转动件12的第一部分31相对应，且间隔定位块16在换向座5轴向上的长度均大于第一转动件3、第二转动件8和第三转动件12的第一部分31的长度。间隔定位块16位于第一轴承和第二轴承之间或者位于第二轴承和第三轴承之间。间隔定位块16的设置可保证第一转动件3、第二转动件8和第三转动件12之间均具有间隙，使其相互之间不发生干涉和摩擦。
在一实施例中，第一避让孔51、第二避让孔52和第三避让孔在换向座5的周向上均匀分布。该卷绕装置还包括第四驱动组件17，第四驱动组件17连接于换向座5，用于驱动换向座5转动。换向座5转动时，第一卷针组件6、第二卷针组件11和第三卷针组件15的位置发生变换。三个卷针组件可分别实现卷绕、贴胶和取料，三个卷针组件的工作同时进行，并依次在卷绕工位、贴胶工位和取料工位上循环流动。
具体的，第四驱动组件17包括第四驱动件和传动机构，第四驱动件固定于机架1上，传动机构的输入端与第四驱动件连接，传动机构的输出端套设于换向座5外。在本实施例中，第四驱动件为伺服马达，伺服马达通过齿轮组件驱动换向座5转动。
更进一步的，该卷绕装置还包括控制系统，在第一卷针组件6或第二卷针组件11或第三卷针组件15转动并卷绕材料时，控制系统用于控制伺服马达驱动换向座5转动，以使材料保持张紧状态。因此，本实施例使用伺服马达驱动换向座5转动，相比于现有技术中使用分割器驱动换向座5，本实施例不仅可以随时调整卷绕角度，使材料始终保持张紧状态，提高卷绕质量，而且能够精确控制转动角度，还可减少装置的重量。
请参考图5和图6，该卷绕装置还包括外顶机构18，外顶机构18位于机架1的前侧，外顶机构18包括中心轴181、顶板182、三个顶杆183和三个顶针184，中心轴181的两端分别固定连接于换向座5和顶板182，换向座5转动时，外顶机构18能够跟随换向座5一起转动；顶杆183为筒状结构，顶杆183的前端连接于顶板182，顶针184位于顶杆183内部的中心位置，卷针向前伸出时，顶针184的后端可与第一卷针组件6相配合，用于支撑第一卷针组件6的前端，保证卷针在卷绕过程中的稳定性。
值得一提的是，该卷绕装置还包括第五驱动组件19、出针组件20和抽针组件21，第五驱动组件19用于驱动出针组件20和抽针组件21的运动，出针组件20与第一卷针组件6上相对应（第一卷针组件6位于卷绕工位时），用于将第一卷针62向前推出，便于第一卷针62开始卷绕材料；抽针组件21与第二卷针组件11相对应（第二卷针组件11位于取料工位时），用于将第二卷针向后抽回，便于取料装置将第二卷针上的素子取下。
具体的，出针组件20包括第一凸轮201和第一连杆机构202，第一凸轮201连接于第五驱动组件19的动力输出轴，第一连杆机构202的一端与第一凸轮201滚动接触，第一轴杆61远离第一卷针62的一端靠近第一连杆机构202的另一端设置，第一凸轮201转动使第一连杆机构202向前推出第一卷针组件6。
抽针组件21包括第二凸轮211和第二连杆机构212，第二凸轮211连接于第五驱动组件19，第二连杆机构212的一端与第二凸轮211滚动接触；第二卷针组件11包括第二轴杆和第二卷针，第二轴杆远离第二卷针的一端设置有第二抵挡件；第二连杆机构212的另一端位于第二抵挡件朝向第二卷针的一侧，第二凸轮211转动使第二连杆机构212向后抽回第二卷针组件11。
第五驱动组件19的动力输出轴转动时，出针组件20和抽针组件21可以是同时动作，也可以是分开动作，具体可根据情况设定第一凸轮201和第二凸轮211的位置。
综上，本发明提供的卷绕装置结构简单、占用空间小、重量小；可防止异物进入传动连接件内而引起卡顿，保证生产的顺利进行，提高机器的使用寿命；而且该卷绕装置在卷绕的过程中，可随时调整卷针的位置，使待卷绕的材料始终保持张紧状态，提高卷绕质量。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等同变换，或直接或间接运用在相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (15)

  1. 一种卷绕装置，其特征在于，包括：
    机架；
    第一转动件，所述第一转动件为环状，所述第一转动件的内侧面包括第一部分和第二部分；
    第一驱动组件，所述第一驱动组件连接于所述第一转动件的外侧面，用于驱动所述第一转动件转动；
    换向座，所述换向座设置于所述机架上，所述第一转动件套设于所述换向座上，所述换向座与所述第一部分之间可转动连接，所述换向座的侧壁与所述第一转动件的第二部分相对应的位置开设有第一避让孔；
    第一传动连接件，所述第一传动连接件设置于所述换向座内部，且所述第一传动连接件穿过所述第一避让孔与所述第一转动件的第二部分传动配合；以及
    第一卷针组件，所述第一卷针组件连接于所述第一传动连接件。
  2. 如权利要求1所述的卷绕装置，其特征在于，还包括第二转动件、第二驱动组件、第二传动连接件和第二卷针组件，所述第二转动件的结构与所述第一转动件的结构相同或相似，所述第二转动件和所述第一转动件沿所述换向座的轴向排列，所述第二驱动组件连接于所述第二转动件的外侧面，用于驱动所述第二转动件转动；所述换向座的侧壁与所述第二转动件的第二部分相对应的位置开设有第二避让孔；所述第二传动连接件设置于所述换向座内部，且所述第二传动连接件穿过所述第二避让孔与所述第二转动件的第二部分传动配合；所述第二卷针组件连接于所述第二传动连接件。
  3. 如权利要求2所述的卷绕装置，其特征在于，所述第一避让孔和所述第二避让孔分别位于所述换向座的周向上的不同位置。
  4. 如权利要求2所述的卷绕装置，其特征在于，还包括第三转动件、第三驱动组件、第三传动连接件和第三卷针组件，所述第三转动件的结构与所述第一转动件的结构相同或相似，所述第三转动件、所述第二转动件和所述第一转动件依次沿所述换向座的轴向排列，所述第三驱动组件连接于所述第三转动件的外侧面，用于驱动所述第三转动件转动；所述换向座的侧壁与所述第三转动件的第二部分相对应的位置开设有第三避让孔；所述第三传动连接件设置于所述换向座内部，且所述第三传动连接件穿过所述第三避让孔与所述第三转动件的第二部分传动配合；所述第三卷针组件连接于所述第三传动连接件。
  5. 如权利要求4所述的卷绕装置，其特征在于，所述第一避让孔、所述第二避让孔和所述第三避让孔在所述换向座的周向上均匀分布。
  6. 如权利要求4所述的卷绕装置，其特征在于，所述换向座的外侧壁上还设置有多个间隔定位块，所述多个间隔定位块的位置分别与所述第一转动件、所述第二转动件和所述第三转动件的第一部分相对应，且所述间隔定位块在所述换向座轴向上的长度均大于所述第一转动件、所述第二转动件和所述第三转动件的第一部分的长度。
  7. 如权利要求1-6任意一项所述的卷绕装置，其特征在于，还包括第四驱动组件，所述第四驱动组件连接于所述换向座，用于驱动所述换向座转动。
  8. 如权利要求7所述的卷绕装置，其特征在于，所述第四驱动组件包括第四驱动件和传动机构，所述第四驱动件固定于所述机架上，所述传动机构的输入端与所述第四驱动件连接，所述传动机构的输出端套设于所述换向座外。
  9. 如权利要求8所述的卷绕装置，其特征在于，所述第四驱动件为伺服马达。
  10. 如权利要求7所述的卷绕装置，其特征在于，还包括控制系统，在所述第一卷针组件或第二卷针组件或第三卷针组件转动卷绕材料时，所述控制系统用于控制所述第四驱动组件驱动所述换向座转动，以使材料保持张紧状态。
  11. 如权利要求1所述的卷绕装置，其特征在于，还包括外顶机构，所述外顶机构包括中心轴、顶板和顶针，中心轴的两端分别固定连接于所述换向座和所述顶板，所述顶针的前端连接于所述顶板，所述顶针的后端与所述第一卷针组件相配合，用于支撑所述第一卷针组件的前端。
  12. 如权利要求2所述的卷绕装置，其特征在于，还包括第五驱动组件和出针组件，所述出针组件包括第一凸轮和第一连杆机构，所述第一凸轮连接于所述第五驱动组件的动力输出轴，所述第一连杆机构的一端与所述第一凸轮滚动接触，所述第一卷针组件包括第一轴杆和第一卷针，所述第一轴杆远离所述第一卷针的一端靠近所述第一连杆机构的另一端设置，所述第一凸轮转动使所述第一连杆机构向前推出所述第一卷针组件。
  13. 如权利要求12所述的卷绕装置，其特征在于，还包括抽针组件，所述抽针组件包括第二凸轮和第二连杆机构，所述第二凸轮连接于所述第五驱动组件，所述第二连杆机构的一端与所述第二凸轮滚动接触；所述第二卷针组件包括第二轴杆和第二卷针，所述第二轴杆远离所述第二卷针的一端设置有第二抵挡件；所述第二连杆机构的另一端位于所述第二抵挡件靠近所述第二卷针的一侧，所述第二凸轮转动使所述第二连杆机构向后抽回所述第二卷针组件。
  14. 如权利要求12所述的卷绕装置，其特征在于，还包括卷针定位组件，所述第一轴杆与所述换向座之间通过所述卷针定位组件连接，所述第一轴杆上设置有环形凹槽，所述卷针定位组件包括定位套和弹性定位珠，所述定位套套设于所述第一轴杆外，所述弹性定位珠沿所述定位套的径向可伸缩，所述出针组件向前推出所述第一卷针组件时，所述弹性定位珠卡设于所述环形凹槽内。
  15. 如权利要求1所述的卷绕装置，其特征在于，所述第一驱动组件包括第一连接板、第一安装板、紧固件和第一电机，所述第一连接板连接于所述机架，所述第一安装板或者第一连接板上设置有腰型孔，所述紧固件穿过所述腰型孔并连接所述第一安装板和所述第一连接板，所述第一电机固定于所述第一安装板上。
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