WO2021196205A1 - Multi-stage transmission shaft device and system - Google Patents

Multi-stage transmission shaft device and system Download PDF

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Publication number
WO2021196205A1
WO2021196205A1 PCT/CN2020/083304 CN2020083304W WO2021196205A1 WO 2021196205 A1 WO2021196205 A1 WO 2021196205A1 CN 2020083304 W CN2020083304 W CN 2020083304W WO 2021196205 A1 WO2021196205 A1 WO 2021196205A1
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WO
WIPO (PCT)
Prior art keywords
transmission shaft
stage
bearing
stage transmission
driven
Prior art date
Application number
PCT/CN2020/083304
Other languages
French (fr)
Chinese (zh)
Inventor
汤辉
汤志为
杨凯
郑付成
黄东海
丰凯
金攀
熊佳远
高云峰
Original Assignee
大族激光科技产业集团股份有限公司
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 大族激光科技产业集团股份有限公司 filed Critical 大族激光科技产业集团股份有限公司
Priority to PCT/CN2020/083304 priority Critical patent/WO2021196205A1/en
Priority to CN202080004494.4A priority patent/CN112601897B/en
Publication of WO2021196205A1 publication Critical patent/WO2021196205A1/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/0018Shaft assemblies for gearings
    • F16H57/0025Shaft assemblies for gearings with gearing elements rigidly connected to a shaft, e.g. securing gears or pulleys by specially adapted splines, keys or methods
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C3/00Shafts; Axles; Cranks; Eccentrics
    • F16C3/02Shafts; Axles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/0018Shaft assemblies for gearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H7/00Gearings for conveying rotary motion by endless flexible members
    • F16H7/02Gearings for conveying rotary motion by endless flexible members with belts; with V-belts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/04Construction or manufacture in general
    • H01M10/0404Machines for assembling batteries
    • H01M10/0409Machines for assembling batteries for cells with wound electrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/058Construction or manufacture
    • H01M10/0587Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00Primary cells; Manufacture thereof
    • H01M6/005Devices for making primary cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00Primary cells; Manufacture thereof
    • H01M6/14Cells with non-aqueous electrolyte
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/1004Structural association with clutches, brakes, gears, pulleys or mechanical starters with pulleys
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the invention relates to the technical field of shaft transmission, in particular to a multi-stage transmission shaft device and system.
  • lithium battery cell winding equipment is constantly being updated, especially the use of multi-station winding to achieve cell winding.
  • each station is assigned to complete one or more procedures, and all work independently. For example, it is realized by the turret module (including the inner ring and the outer ring that can rotate with each other).
  • Each winding station is installed on the inner ring of the turret module, and the angle is changed as the inner ring of the turret module rotates. Realize station switching.
  • the drive module of each station is directly installed on the inner ring of the turret module, there are several problems:
  • the technical problem to be solved by the present invention is to provide a multi-stage drive shaft device and system in view of the above-mentioned defects of the prior art, and solve the problems of complicated structure, difficult realization and high cost of the multi-station winding structure based on the turret module .
  • the technical solution adopted by the present invention to solve its technical problems is to provide a multi-stage transmission shaft device, including:
  • a plurality of transmission shafts, the transmission shafts are all coaxially laminated and sleeved;
  • Bearings are respectively arranged on the side surfaces of both ends of each transmission shaft, and the inner side of the bearing is fixedly connected with the outer side of the corresponding transmission shaft; wherein the bearing of the outermost transmission shaft is a positioning bearing, and the remaining bearings are transmission bearings;
  • Synchronous wheel the inner side of the synchronous wheel is respectively fixedly connected with the outer side of one end transmission bearing on the adjacent inner transmission shaft and the outer side of the adjacent outer transmission shaft.
  • both ends of the transmission shaft are provided with a structure in which a bearing and a synchronizing wheel cooperate.
  • the transmission bearings on the adjacent inner transmission shafts are attached to or arranged close to the end surfaces of the adjacent outer transmission shafts.
  • a preferred solution is that a boss is provided in the middle of the surface of the outermost transmission shaft, and the positioning bearing is attached to or close to the end surface of the boss.
  • the innermost transmission shaft has a hollow structure.
  • the outer side of the synchronous wheel includes a ring groove that can be set to match the transmission belt, and the surface of the ring groove is provided with a pattern structure that can increase the contact friction.
  • a preferred solution is that the synchronization wheel and the transmission shaft are limited and fixed by a flat key.
  • the technical solution adopted by the present invention to solve its technical problems is to provide a multi-stage drive shaft system, including a drive device and a multi-stage drive shaft device, the drive device includes a drive bracket and a plurality of drive motors, the drive bracket and The innermost transmission shaft is fixedly connected or rotationally connected, and fixedly connected with the outer side of the positioning bearing.
  • the driving motor drives the corresponding synchronous wheel to rotate through the transmission belt to drive the corresponding transmission shaft to rotate.
  • both ends of the transmission shaft are provided with a structure in which bearings and synchronizing wheels cooperate;
  • the multi-stage transmission shaft system further includes a driven module, and the driven module includes a driven bracket and a A driven wheel, the driven bracket and the driving bracket are respectively fixedly connected to the outer side of the corresponding positioning bearing, the synchronous wheel is driven by the drive shaft to rotate, and the corresponding driven wheel is driven to rotate through the transmission belt.
  • the driven module further includes a driven shaft fixed coaxially with the driven wheel.
  • the beneficial effect of the present invention is that, compared with the prior art, the present invention realizes multi-stage transmission through a multi-stage transmission shaft device, each stage of the transmission can be independently rotated, and the rotation center axis overlaps to achieve two, three or more stages.
  • FIG. 1 is a schematic diagram of a partial cross-sectional structure of a multi-stage transmission shaft device of the present invention
  • FIG. 2 is a schematic cross-sectional structure diagram of the multi-stage transmission shaft device of the present invention.
  • Fig. 3 is a schematic view of the front structure of the multi-stage transmission shaft device of the present invention.
  • Figure 4 is a three-dimensional schematic diagram of the multi-stage transmission shaft device of the present invention.
  • Figure 5 is a schematic diagram of the structure of the multi-stage drive shaft system of the present invention.
  • Fig. 6 is a partially enlarged schematic diagram of the multi-stage transmission shaft system of the present invention.
  • the present invention provides a preferred embodiment of a multi-stage transmission shaft device.
  • a multi-stage transmission shaft device includes a transmission shaft 110, a bearing 120 and a synchronizing wheel 130 to form a multi-stage transmission structure.
  • the innermost transmission shaft 110 is used as the first-stage transmission shaft, and the number of stages increases in order according to the outer coaxially stacked sleeves of the transmission shaft 110.
  • the second-stage transmission shaft is coaxially sleeved outside the first-stage transmission shaft
  • the third-stage transmission shaft is coaxially sleeved on the outside of the second-stage transmission shaft, up to the outermost Nth-stage transmission shaft.
  • the three-stage transmission shaft device has three transmission shafts 110, namely the first-stage transmission shaft 111 and the second-stage transmission shaft. 112 and the third-stage transmission shaft 113, and refer to FIG. 2. Wherein, both ends of the transmission shaft 110 are provided with a structure in which a bearing 120 and a synchronizing wheel 130 cooperate.
  • Bearings 120 are provided at both ends of each transmission shaft 110.
  • the bearings 120 on the first-stage transmission shaft 111 and the second-stage transmission shaft 112 are transmission bearings, and the bearings of the third-stage transmission shaft 113 (the outermost transmission shaft 110) 120 is a positioning bearing.
  • the bearings 120 are arranged symmetrically at both ends of each transmission shaft 110, and the outer side of the bearing 120 can rotate relative to the corresponding transmission shaft 110, and the outer side of the bearing 120 is connected to the next-stage transmission shaft 110 through a synchronization wheel 130. It is fixedly connected, and the transmission shaft 110 is driven to rotate through the synchronization wheel 130, and is transmitted to the symmetrical synchronization wheel 130.
  • the first-stage transmission shaft 111 is provided with a first bearing 121, the inner side of the first bearing 121 is fixedly connected with the surface of the first-stage transmission shaft 111, and the outer side of the first bearing 121 is fixedly connected with the inner side of the first synchronization wheel 131 ,
  • the inner side of the first synchronizing wheel 131 is also fixedly connected to the surface of the second-stage transmission shaft 112 to realize the synchronous rotation of the first synchronizing wheel 131, the outer side of the first bearing 121, and the second-stage transmission shaft 112; in the same way, the second synchronization
  • the matching structure of the wheel 132, the second bearing 122 and the third-stage transmission shaft 113 may refer to the matching structure of the first synchronizing wheel 131, the first bearing 121 and the second-stage transmission shaft 112.
  • the third bearing 123 on the third-stage transmission shaft 113 is used as a positioning bearing, and the outer side of the third bearing 123 is supported and matched with an external structure (support) to realize the
  • the transmission bearing on the adjacent inner transmission shaft 110 is attached to or arranged close to the end surface of the adjacent outer transmission shaft 110.
  • the position of the transmission bearing is limited by the transmission shaft 110 to improve the axial stability of the transmission bearing.
  • the synchronous wheel 130 and the transmission bearing are designed to be compact. The structure is optimized to reduce the structure volume, and the synchronous wheels 130 of the same width can cover more area or completely cover the outer side of the transmission bearing.
  • the flat key is a key that relies on two side surfaces as a working surface and transfers torque by squeezing the side of the key and the keyway.
  • a boss is provided in the middle of the surface of the outermost transmission shaft 110, and the positioning bearing is attached to or close to the end surface of the boss.
  • a boss is provided in the middle of the surface of the transmission shaft 110, and the axial stability of the transmission bearing is improved by the abutment or closeness of the transmission bearing and the end surface of the boss.
  • the positioning bearings arranged side by side to realize the positioning of the outermost transmission shaft 110, thereby realizing the positioning of the entire multi-stage transmission shaft device.
  • it When it is working, it is stably fixed, and its disturbance is placed to reduce the work. The resulting vibration.
  • the contact area between the positioning bearing and the external positioning bracket is further increased, the stability during positioning is further improved, and the vibration generated by the work is reduced.
  • the innermost transmission shaft 110 has a hollow structure. It is convenient for the routing of the multi-stage transmission shaft device. On the one hand, the placement of various connecting wires leads to confusion in the routing due to the structure of the multi-stage transmission shaft 110. On the other hand, during the rotation of each transmission shaft 110 of the multi-stage transmission shaft device, It does not affect the routing in the hollow structure, and solves the problem that because the inner ring of the turret module can be rotated, the line connection of the drive module is easily wound and difficult to achieve.
  • the hollow structure does not affect the vent pipe and the line in the hollow shaft.
  • the outer side of the synchronous wheel 130 includes a ring groove that can be set to cooperate with the transmission belt, and the surface of the ring groove is provided with a texture structure that can improve contact friction.
  • the synchronous wheel 130 is driven by the belt of the external motor to rotate, and the rotating force is transmitted to the synchronous wheel 130 on the same transmission shaft 110 to realize the transmission of the rotating force.
  • the synchronizing wheel 130 may also have other structures, such as gears, which mesh with the gears of an external motor to achieve transmission.
  • the present invention provides a preferred embodiment of a multi-stage drive shaft system.
  • a multi-stage transmission shaft system includes a driving device and a multi-stage transmission shaft device.
  • the driving device includes a driving bracket 210 and a plurality of driving motors 220.
  • the driving bracket 210 is fixedly connected or rotationally connected with the innermost transmission shaft 110, And fixedly connected to the outer side of the positioning bearing, the driving motor 220 drives the corresponding synchronization wheel 130 to rotate through a transmission belt to drive the corresponding transmission shaft 110 to rotate.
  • both ends of the transmission shaft 110 are provided with a structure in which a bearing 120 and a synchronization wheel 130 cooperate;
  • the multi-stage transmission shaft system further includes a driven module, the driven module includes a driven bracket 320 and a plurality of The driven wheel 321, the driven bracket 320 and the driving bracket 210 are respectively fixedly connected to the outer side of the corresponding positioning bearing, the synchronous wheel 130 is driven by the transmission shaft 110 to rotate, and the corresponding driven wheel 321 is driven to rotate through the transmission belt.
  • the driving bracket 210 and the driven bracket 320 are used to position the multi-stage transmission shaft device (for example, the driving bracket 210 is positioned with the bearing 120 through the positioning buckle 211), and a driving motor 220 drives a synchronization wheel 130 through a belt 230.
  • a driving motor 220 drives the other synchronous wheel 130 on the same side to rotate through the belt 230;
  • the corresponding synchronous wheel 130 drives the corresponding transmission shaft 110 to rotate, thereby driving the corresponding synchronous wheel 130 on the other side to rotate; a synchronous wheel 130
  • the belt 322 drives one driven wheel 321 to rotate, and the other synchronous wheel 130 drives the other driven wheel 321 to rotate through the belt 322.
  • the driven module further includes a driven shaft 323 fixed coaxially with the driven wheel 321.
  • the driven shaft 323 is also provided with a fixing hole 3211, and the driven shaft 323 is fixed through the fixing hole 3211 to realize the fixing of the driven shaft 323 and the driven wheel 321.
  • the driving bracket 210 also includes a fixing portion 212 to fix the innermost transmission shaft 110.
  • the driven module further includes an outer wheel 310
  • the driven bracket 320 is preferably an inner wheel
  • the inner wheel and the outer wheel 310 form a bearing structure.
  • the multi-stage transmission shaft system of the present invention is applied to the multi-station winding equipment of lithium battery cells.
  • the multi-stage transmission shaft system is suitable for double-station, three-station or more-station winding equipment, which is economical and stable. Reliable, can help increase the output of lithium batteries, and provide effective support to promote the development of lithium battery manufacturing.

Abstract

A multi-stage transmission shaft device and system. The multi-stage transmission shaft device comprises: multiple transmission shafts (110), the multiple transmission shafts (110) being coaxially sleeved; bearings (120), which are respectively provided on side surfaces of the two ends of each of the transmission shafts (110), the inner sides of the bearings (120) being fixedly connected to the outer sides of corresponding transmission shafts (110); and timing pulleys (130), the inner side of each timing pulley (130) being separately fixedly connected to the outer side of the transmission bearing at one end of an adjacent inner transmission shaft (110) and the outer side of an adjacent outer transmission shaft (110).

Description

一种多级传动轴装置及系统Multi-stage transmission shaft device and system 技术领域Technical field
本发明涉及轴传动技术领域,具体涉及一种多级传动轴装置及系统。The invention relates to the technical field of shaft transmission, in particular to a multi-stage transmission shaft device and system.
背景技术Background technique
随着锂电池行业快速发展,锂电池电芯卷绕设备也在不断更新换代,特别是采用多工站卷绕实现电芯卷绕。With the rapid development of the lithium battery industry, lithium battery cell winding equipment is constantly being updated, especially the use of multi-station winding to achieve cell winding.
在多工位卷绕时,每一工位均被分配完成一个或多个工序,且均为独立工作。例如,通过转塔模块(包括可相互转动的内圈和外圈)实现,每一卷绕工位均安装在转塔模块内圈上,且随着转塔模块内圈的旋转进行角度变换,实现工位切换。但是,若每一工位的驱动模块是直接安装在转塔模块内圈上,存在几个问题:In the multi-station winding, each station is assigned to complete one or more procedures, and all work independently. For example, it is realized by the turret module (including the inner ring and the outer ring that can rotate with each other). Each winding station is installed on the inner ring of the turret module, and the angle is changed as the inner ring of the turret module rotates. Realize station switching. However, if the drive module of each station is directly installed on the inner ring of the turret module, there are several problems:
(1)、需要增加驱动模块线路转换机构,实现驱动模块驱动转塔模块内圈上的从动轴转动,结构复杂;(2)、由于转塔模块内圈可转动,驱动模块的线路连接容易卷绕,难以实现。(1) It is necessary to increase the drive module circuit conversion mechanism to realize the rotation of the driven shaft on the inner ring of the drive module driving the turret module, which is complicated in structure; (2) Since the inner ring of the turret module can be rotated, the circuit connection of the drive module is easy Winding is difficult to achieve.
当然,可采用中空式电机实现,但是成本高昂,不利于大规模生产应用。Of course, it can be realized with a hollow motor, but the cost is high, which is not conducive to large-scale production and application.
技术问题technical problem
本发明要解决的技术问题在于,针对现有技术的上述缺陷,提供一种多级传动轴装置及系统,解决基于转塔模块的多工位卷绕结构结构复杂、难以实现和成本高昂的问题。The technical problem to be solved by the present invention is to provide a multi-stage drive shaft device and system in view of the above-mentioned defects of the prior art, and solve the problems of complicated structure, difficult realization and high cost of the multi-station winding structure based on the turret module .
技术解决方案Technical solutions
本发明解决其技术问题所采用的技术方案是:提供一种多级传动轴装置,包括:The technical solution adopted by the present invention to solve its technical problems is to provide a multi-stage transmission shaft device, including:
多个传动轴,所述传动轴均同轴层叠套设;A plurality of transmission shafts, the transmission shafts are all coaxially laminated and sleeved;
轴承,分别设置各传动轴的两端侧面上,且所述轴承的内侧与对应传动轴的外侧固定连接;其中,最外侧所述传动轴的轴承为定位轴承,其余轴承为传动轴承;Bearings are respectively arranged on the side surfaces of both ends of each transmission shaft, and the inner side of the bearing is fixedly connected with the outer side of the corresponding transmission shaft; wherein the bearing of the outermost transmission shaft is a positioning bearing, and the remaining bearings are transmission bearings;
同步轮,所述同步轮的内侧分别与相邻靠内传动轴上一端传动轴承的外侧和相邻靠外传动轴的外侧固定连接。Synchronous wheel, the inner side of the synchronous wheel is respectively fixedly connected with the outer side of one end transmission bearing on the adjacent inner transmission shaft and the outer side of the adjacent outer transmission shaft.
其中,较佳方案是:所述传动轴的两端均设置有轴承和同步轮相配合的结构。Among them, a preferred solution is that both ends of the transmission shaft are provided with a structure in which a bearing and a synchronizing wheel cooperate.
其中,较佳方案是:相邻靠内的所述传动轴上的传动轴承贴合或靠近相邻靠外传动轴的端面设置。Among them, a preferred solution is that the transmission bearings on the adjacent inner transmission shafts are attached to or arranged close to the end surfaces of the adjacent outer transmission shafts.
其中,较佳方案是:最外侧所述传动轴的表面中部设有凸台,所述定位轴承贴合或靠近凸台的端面设置。Among them, a preferred solution is that a boss is provided in the middle of the surface of the outermost transmission shaft, and the positioning bearing is attached to or close to the end surface of the boss.
其中,较佳方案是:最内侧所述传动轴为中空结构。Among them, a preferred solution is that the innermost transmission shaft has a hollow structure.
其中,较佳方案是:所述同步轮的外侧包括可配合传动带设置的环槽,所述环槽表面设有可提高接触摩擦力的纹路结构。Among them, a preferred solution is that the outer side of the synchronous wheel includes a ring groove that can be set to match the transmission belt, and the surface of the ring groove is provided with a pattern structure that can increase the contact friction.
其中,较佳方案是:所述同步轮与传动轴之间通过平键限位固定。Among them, a preferred solution is that the synchronization wheel and the transmission shaft are limited and fixed by a flat key.
本发明解决其技术问题所采用的技术方案是:提供一种多级传动轴系统,包括驱动装置和多级传动轴装置,所述驱动装置包括驱动支架和多个驱动电机,所述驱动支架与最内侧传动轴固定连接或转动连接,以及与定位轴承的外侧固定连接,所述驱动电机通过传动带带动对应的同步轮转动,以带动对应的传动轴转动。The technical solution adopted by the present invention to solve its technical problems is to provide a multi-stage drive shaft system, including a drive device and a multi-stage drive shaft device, the drive device includes a drive bracket and a plurality of drive motors, the drive bracket and The innermost transmission shaft is fixedly connected or rotationally connected, and fixedly connected with the outer side of the positioning bearing. The driving motor drives the corresponding synchronous wheel to rotate through the transmission belt to drive the corresponding transmission shaft to rotate.
其中,较佳方案是:所述传动轴的两端均设置有轴承和同步轮相配合的结构;所述多级传动轴系统还包括从动模块,所述从动模块包括从动支架和多个从动轮,所述从动支架和驱动支架分别与对应定位轴承的外侧固定连接,所述同步轮在传动轴带动下转动,且通过传动带带动对应的从动轮转动。Among them, a preferred solution is that: both ends of the transmission shaft are provided with a structure in which bearings and synchronizing wheels cooperate; the multi-stage transmission shaft system further includes a driven module, and the driven module includes a driven bracket and a A driven wheel, the driven bracket and the driving bracket are respectively fixedly connected to the outer side of the corresponding positioning bearing, the synchronous wheel is driven by the drive shaft to rotate, and the corresponding driven wheel is driven to rotate through the transmission belt.
其中,较佳方案是:所述从动模块还包括与从动轮同轴固定的从动轴。Among them, a preferred solution is: the driven module further includes a driven shaft fixed coaxially with the driven wheel.
有益效果Beneficial effect
本发明的有益效果在于,与现有技术相比,本发明通过多级传动轴装置实现多级传动,各级传动均可独立转动,转动中心轴重叠,实现两级、三级或者更多级轴传动;以及,最内侧传动轴为中空结构,以防走线混乱。The beneficial effect of the present invention is that, compared with the prior art, the present invention realizes multi-stage transmission through a multi-stage transmission shaft device, each stage of the transmission can be independently rotated, and the rotation center axis overlaps to achieve two, three or more stages. Shaft transmission; and, the innermost transmission shaft is a hollow structure to prevent chaotic wiring.
附图说明Description of the drawings
下面将结合附图及实施例对本发明作进一步说明,附图中:The present invention will be further described below in conjunction with the accompanying drawings and embodiments. In the accompanying drawings:
图1是本发明多级传动轴装置的部分剖面结构示意图;FIG. 1 is a schematic diagram of a partial cross-sectional structure of a multi-stage transmission shaft device of the present invention;
图2是本发明多级传动轴装置的剖面结构示意图;2 is a schematic cross-sectional structure diagram of the multi-stage transmission shaft device of the present invention;
图3是本发明多级传动轴装置的正面结构示意图;Fig. 3 is a schematic view of the front structure of the multi-stage transmission shaft device of the present invention;
图4是本发明多级传动轴装置的立体结构示意图;Figure 4 is a three-dimensional schematic diagram of the multi-stage transmission shaft device of the present invention;
图5是本发明多级传动轴系统的结构示意图;Figure 5 is a schematic diagram of the structure of the multi-stage drive shaft system of the present invention;
图6是本发明多级传动轴系统的部分放大结构示意图。Fig. 6 is a partially enlarged schematic diagram of the multi-stage transmission shaft system of the present invention.
本发明的最佳实施方式The best mode of the present invention
现结合附图,对本发明的较佳实施例作详细说明。The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
如图1至图4所示,本发明提供一种多级传动轴装置的优选实施例。As shown in Figures 1 to 4, the present invention provides a preferred embodiment of a multi-stage transmission shaft device.
一种多级传动轴装置,包括传动轴110、轴承120和同步轮130,形成多级传动结构,传动轴110设有多个,且均同轴层叠套设,每一传动轴110的两端侧面上均设有轴承120,且所述轴承120的内侧与对应传动轴110的外侧固定连接,所述同步轮130的内侧分别与相邻靠内传动轴110上一端传动轴承的外侧和相邻靠外传动轴110的外侧固定连接,每一传动轴110两端侧面上的轴承120分别与对应的一个同步轮130连接。A multi-stage transmission shaft device includes a transmission shaft 110, a bearing 120 and a synchronizing wheel 130 to form a multi-stage transmission structure. There are multiple transmission shafts 110, all of which are coaxially laminated and sleeved. Both ends of each transmission shaft 110 Bearings 120 are provided on the sides, and the inner side of the bearing 120 is fixedly connected to the outer side of the corresponding transmission shaft 110. The outer side of the outer transmission shaft 110 is fixedly connected, and the bearings 120 on the side surfaces of both ends of each transmission shaft 110 are respectively connected to a corresponding synchronization wheel 130.
具体地,最内侧传动轴110作为第一级传动轴,级数依传动轴110向外同轴层叠套设按序递增,如第二级传动轴同轴套设在第一级传动轴外侧,第三级传动轴同轴套设在第二级传动轴外侧,直到最外侧第N级传动轴,为了便于多级传动轴装置的描述,下述采用三级传动轴装置作为描述主体,当然可用于其他多级传动轴装置中,如四级传动轴装置、五级传动轴装置等,三级传动轴装置表述设置有三个传动轴110,分别为第一级传动轴111、第二级传动轴112和第三级传动轴113,并参考图2。其中,所述传动轴110的两端均设置有轴承120和同步轮130相配合的结构。Specifically, the innermost transmission shaft 110 is used as the first-stage transmission shaft, and the number of stages increases in order according to the outer coaxially stacked sleeves of the transmission shaft 110. For example, the second-stage transmission shaft is coaxially sleeved outside the first-stage transmission shaft, The third-stage transmission shaft is coaxially sleeved on the outside of the second-stage transmission shaft, up to the outermost Nth-stage transmission shaft. In order to facilitate the description of the multi-stage transmission shaft device, the following uses the third-stage transmission shaft device as the main body of description, of course it can be used In other multi-stage transmission shaft devices, such as four-stage transmission shaft devices, five-stage transmission shaft devices, etc., the three-stage transmission shaft device has three transmission shafts 110, namely the first-stage transmission shaft 111 and the second-stage transmission shaft. 112 and the third-stage transmission shaft 113, and refer to FIG. 2. Wherein, both ends of the transmission shaft 110 are provided with a structure in which a bearing 120 and a synchronizing wheel 130 cooperate.
在各传动轴110的两端均设有轴承120,第一级传动轴111和第二级传动轴112上的轴承120为传动轴承,第三级传动轴113(最外侧传动轴110)的轴承120为定位轴承。所述轴承120优对称设置在各传动轴110的两端,所述轴承120的外侧可相对于所对应传动轴110转动,通过同步轮130将所述轴承120的外侧与下一级传动轴110固定连接,通过同步轮130带动传动轴110转动,传导至对称的同步轮130中。例如,第一级传动轴111上设有第一轴承121,第一轴承121的内侧与第一级传动轴111的表面固定连接,第一轴承121的外侧与第一同步轮131的内侧固定连接,第一同步轮131的内侧还与第二级传动轴112的表面固定连接,实现第一同步轮131、第一轴承121的外侧、第二级传动轴112同步转动;同理,第二同步轮132、第二轴承122和第三级传动轴113的配合结构可参考第一同步轮131、第一轴承121和第二级传动轴112的配合结构。以及,第三级传动轴113上的第三轴承123作为定位轴承,第三轴承123的外侧与外部结构(支架)支撑配合,以实现多级传动轴装置的安装。Bearings 120 are provided at both ends of each transmission shaft 110. The bearings 120 on the first-stage transmission shaft 111 and the second-stage transmission shaft 112 are transmission bearings, and the bearings of the third-stage transmission shaft 113 (the outermost transmission shaft 110) 120 is a positioning bearing. The bearings 120 are arranged symmetrically at both ends of each transmission shaft 110, and the outer side of the bearing 120 can rotate relative to the corresponding transmission shaft 110, and the outer side of the bearing 120 is connected to the next-stage transmission shaft 110 through a synchronization wheel 130. It is fixedly connected, and the transmission shaft 110 is driven to rotate through the synchronization wheel 130, and is transmitted to the symmetrical synchronization wheel 130. For example, the first-stage transmission shaft 111 is provided with a first bearing 121, the inner side of the first bearing 121 is fixedly connected with the surface of the first-stage transmission shaft 111, and the outer side of the first bearing 121 is fixedly connected with the inner side of the first synchronization wheel 131 , The inner side of the first synchronizing wheel 131 is also fixedly connected to the surface of the second-stage transmission shaft 112 to realize the synchronous rotation of the first synchronizing wheel 131, the outer side of the first bearing 121, and the second-stage transmission shaft 112; in the same way, the second synchronization The matching structure of the wheel 132, the second bearing 122 and the third-stage transmission shaft 113 may refer to the matching structure of the first synchronizing wheel 131, the first bearing 121 and the second-stage transmission shaft 112. And, the third bearing 123 on the third-stage transmission shaft 113 is used as a positioning bearing, and the outer side of the third bearing 123 is supported and matched with an external structure (support) to realize the installation of the multi-stage transmission shaft device.
在本实施例中,相邻靠内的所述传动轴110上的传动轴承贴合或靠近相邻靠外传动轴110的端面设置。通过使传动轴承和传动轴110贴合或靠近,一方面,通过传动轴110对传动轴承进行位置限定,提高传动轴承的轴向稳定性能,另一方面,使同步轮130和传动轴承紧凑设计,优化结构以降低结构体积,同等宽度的同步轮130可以覆盖更多面积或全部覆盖传动轴承的外侧。In this embodiment, the transmission bearing on the adjacent inner transmission shaft 110 is attached to or arranged close to the end surface of the adjacent outer transmission shaft 110. By making the transmission bearing and the transmission shaft 110 fit or close together, on the one hand, the position of the transmission bearing is limited by the transmission shaft 110 to improve the axial stability of the transmission bearing. On the other hand, the synchronous wheel 130 and the transmission bearing are designed to be compact. The structure is optimized to reduce the structure volume, and the synchronous wheels 130 of the same width can cover more area or completely cover the outer side of the transmission bearing.
同时,所述同步轮130与传动轴110之间通过平键限位固定,平键,是依靠两个侧面作为工作面,靠键与键槽侧面的挤压来传递转矩的键。At the same time, the synchronizing wheel 130 and the transmission shaft 110 are limited and fixed by a flat key. The flat key is a key that relies on two side surfaces as a working surface and transfers torque by squeezing the side of the key and the keyway.
在本实施例中,最外侧所述传动轴110的表面中部设有凸台,所述定位轴承贴合或靠近凸台的端面设置。为了对传动轴承进行位置限定,在传动轴110的表面中部设有凸台,通过传动轴承与凸台的端面的贴合或靠近,提高传动轴承的轴向稳定性能。In this embodiment, a boss is provided in the middle of the surface of the outermost transmission shaft 110, and the positioning bearing is attached to or close to the end surface of the boss. In order to limit the position of the transmission bearing, a boss is provided in the middle of the surface of the transmission shaft 110, and the axial stability of the transmission bearing is improved by the abutment or closeness of the transmission bearing and the end surface of the boss.
进一步地,所述定位轴承并排设置有多个,实现最外侧所述传动轴110的定位,从而实现整个多级传动轴装置的定位,在其工作时,进行稳定固定,放置其扰动,降低工作所产生的振动。通过多个定位轴承并排设置,进一步提高定位轴承与外部定位支架的接触面积,进一步提高定位时的稳定性,提高降低工作所产生的振动。Further, there are a plurality of the positioning bearings arranged side by side to realize the positioning of the outermost transmission shaft 110, thereby realizing the positioning of the entire multi-stage transmission shaft device. When it is working, it is stably fixed, and its disturbance is placed to reduce the work. The resulting vibration. By arranging a plurality of positioning bearings side by side, the contact area between the positioning bearing and the external positioning bracket is further increased, the stability during positioning is further improved, and the vibration generated by the work is reduced.
在本实施例中,最内侧所述传动轴110为中空结构。便于多级传动轴装置的走线,一方面放置各种连接线由于多级传动轴110的结构,导致走线混乱,另一方面,在多级传动轴装置的各传动轴110转动过程中,不影响在中空结构的走线,解决由于转塔模块内圈可转动,驱动模块的线路连接容易卷绕,难以实现的问题,中空结构不会影响空心轴中通气管、线路。In this embodiment, the innermost transmission shaft 110 has a hollow structure. It is convenient for the routing of the multi-stage transmission shaft device. On the one hand, the placement of various connecting wires leads to confusion in the routing due to the structure of the multi-stage transmission shaft 110. On the other hand, during the rotation of each transmission shaft 110 of the multi-stage transmission shaft device, It does not affect the routing in the hollow structure, and solves the problem that because the inner ring of the turret module can be rotated, the line connection of the drive module is easily wound and difficult to achieve. The hollow structure does not affect the vent pipe and the line in the hollow shaft.
在本实施例中,所述同步轮130的外侧包括可配合传动带设置的环槽,所述环槽表面设有可提高接触摩擦力的纹路结构。使同步轮130在外部电机的皮带的带动下转动,将转动力传导至同一传动轴110上的同步轮130,实现转动力的传输。当然,所述同步轮130也可以是其他结构,如齿轮,与外部电机的齿轮啮合,实现传动。In this embodiment, the outer side of the synchronous wheel 130 includes a ring groove that can be set to cooperate with the transmission belt, and the surface of the ring groove is provided with a texture structure that can improve contact friction. The synchronous wheel 130 is driven by the belt of the external motor to rotate, and the rotating force is transmitted to the synchronous wheel 130 on the same transmission shaft 110 to realize the transmission of the rotating force. Of course, the synchronizing wheel 130 may also have other structures, such as gears, which mesh with the gears of an external motor to achieve transmission.
如图5和图6所示,本发明提供一种多级传动轴系统的优选实施例。As shown in Figures 5 and 6, the present invention provides a preferred embodiment of a multi-stage drive shaft system.
一种多级传动轴系统,包括驱动装置和多级传动轴装置,所述驱动装置包括驱动支架210和多个驱动电机220,所述驱动支架210与最内侧传动轴110固定连接或转动连接,以及与定位轴承的外侧固定连接,所述驱动电机220通过传动带带动对应的同步轮130转动,以带动对应的传动轴110转动。A multi-stage transmission shaft system includes a driving device and a multi-stage transmission shaft device. The driving device includes a driving bracket 210 and a plurality of driving motors 220. The driving bracket 210 is fixedly connected or rotationally connected with the innermost transmission shaft 110, And fixedly connected to the outer side of the positioning bearing, the driving motor 220 drives the corresponding synchronization wheel 130 to rotate through a transmission belt to drive the corresponding transmission shaft 110 to rotate.
以及,所述传动轴110的两端均设置有轴承120和同步轮130相配合的结构;所述多级传动轴系统还包括从动模块,所述从动模块包括从动支架320和多个从动轮321,所述从动支架320和驱动支架210分别与对应定位轴承的外侧固定连接,所述同步轮130在传动轴110带动下转动,且通过传动带带动对应的从动轮321转动。And, both ends of the transmission shaft 110 are provided with a structure in which a bearing 120 and a synchronization wheel 130 cooperate; the multi-stage transmission shaft system further includes a driven module, the driven module includes a driven bracket 320 and a plurality of The driven wheel 321, the driven bracket 320 and the driving bracket 210 are respectively fixedly connected to the outer side of the corresponding positioning bearing, the synchronous wheel 130 is driven by the transmission shaft 110 to rotate, and the corresponding driven wheel 321 is driven to rotate through the transmission belt.
具体地,先通过驱动支架210和从动支架320对于多级传动轴装置进行定位(如驱动支架210通过定位扣211实现与轴承120的定位),一驱动电机220通过皮带230带动一同步轮130转动,另一驱动电机220通过皮带230带动同侧的另一同步轮130转动;对应的同步轮130带动对应的传动轴110转动,从而带动另一侧对应的同步轮130转动;一同步轮130通过皮带322带动一从动轮321转动,另一同步轮130通过皮带322带动另一从动轮321转动。Specifically, the driving bracket 210 and the driven bracket 320 are used to position the multi-stage transmission shaft device (for example, the driving bracket 210 is positioned with the bearing 120 through the positioning buckle 211), and a driving motor 220 drives a synchronization wheel 130 through a belt 230. Rotates, the other driving motor 220 drives the other synchronous wheel 130 on the same side to rotate through the belt 230; the corresponding synchronous wheel 130 drives the corresponding transmission shaft 110 to rotate, thereby driving the corresponding synchronous wheel 130 on the other side to rotate; a synchronous wheel 130 The belt 322 drives one driven wheel 321 to rotate, and the other synchronous wheel 130 drives the other driven wheel 321 to rotate through the belt 322.
在本实施例中,所述从动模块还包括与从动轮321同轴固定的从动轴323。从动轴323还设有一固定孔3211,从动轴323穿过固定孔3211固定,实现从动轴323与从动轮321的固定。In this embodiment, the driven module further includes a driven shaft 323 fixed coaxially with the driven wheel 321. The driven shaft 323 is also provided with a fixing hole 3211, and the driven shaft 323 is fixed through the fixing hole 3211 to realize the fixing of the driven shaft 323 and the driven wheel 321.
当然,驱动支架210还包括固定部212,以固定最内侧的传动轴110。Of course, the driving bracket 210 also includes a fixing portion 212 to fix the innermost transmission shaft 110.
在本实施例中,从动模块还包括外轮310,所述从动支架320优选为内轮,内轮与外轮310构成轴承结构。In this embodiment, the driven module further includes an outer wheel 310, the driven bracket 320 is preferably an inner wheel, and the inner wheel and the outer wheel 310 form a bearing structure.
本发明的多级传动轴系统应用在锂电池的电芯多工位卷绕设备中,多级传动轴系统适用于双工位、三工位或更多工位的卷绕设备,经济、稳定可靠,可以助力提高锂电池产量,推动锂电池制造业发展提供有效支持。The multi-stage transmission shaft system of the present invention is applied to the multi-station winding equipment of lithium battery cells. The multi-stage transmission shaft system is suitable for double-station, three-station or more-station winding equipment, which is economical and stable. Reliable, can help increase the output of lithium batteries, and provide effective support to promote the development of lithium battery manufacturing.
以上所述者,仅为本发明最佳实施例而已,并非用于限制本发明的范围,凡依本发明申请专利范围所作的等效变化或修饰,皆为本发明所涵盖。The above are only the best embodiments of the present invention and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the scope of the patent application of the present invention are covered by the present invention.

Claims (9)

  1. 一种多级传动轴装置,其特征在于,包括:A multi-stage transmission shaft device is characterized in that it comprises:
    多个传动轴,所述传动轴均同轴层叠套设;A plurality of transmission shafts, the transmission shafts are all coaxially laminated and sleeved;
    轴承,分别设置各传动轴的两端侧面上,且所述轴承的内侧与对应传动轴的外侧固定连接;其中,最外侧所述传动轴的轴承为定位轴承,其余轴承为传动轴承;Bearings are respectively arranged on the side surfaces of both ends of each transmission shaft, and the inner side of the bearing is fixedly connected with the outer side of the corresponding transmission shaft; wherein the bearing of the outermost transmission shaft is a positioning bearing, and the remaining bearings are transmission bearings;
    同步轮,所述同步轮的内侧分别与相邻靠内传动轴上一端传动轴承的外侧和相邻靠外传动轴的外侧固定连接。Synchronous wheel, the inner side of the synchronous wheel is respectively fixedly connected with the outer side of one end transmission bearing on the adjacent inner transmission shaft and the outer side of the adjacent outer transmission shaft.
  2. 根据权利要求1所述的多级传动轴装置,其特征在于:相邻靠内的所述传动轴上的传动轴承贴合或靠近相邻靠外传动轴的端面设置。The multi-stage transmission shaft device according to claim 1, wherein the transmission bearings on the adjacent inner transmission shafts are attached to or arranged close to the end surfaces of the adjacent outer transmission shafts.
  3. 根据权利要求1所述的多级传动轴装置,其特征在于:最外侧所述传动轴的表面中部设有凸台,所述定位轴承贴合或靠近凸台的端面设置。The multi-stage transmission shaft device according to claim 1, wherein a boss is provided in the middle of the surface of the outermost transmission shaft, and the positioning bearing is attached to or close to the end surface of the boss.
  4. 根据权利要求1所述的多级传动轴装置,其特征在于:最内侧所述传动轴为中空结构。The multi-stage transmission shaft device according to claim 1, wherein the innermost transmission shaft is a hollow structure.
  5. 根据权利要求1所述的多级传动轴装置,其特征在于:所述同步轮的外侧包括可配合传动带设置的环槽,所述环槽表面设有可提高接触摩擦力的纹路结构。The multi-stage transmission shaft device according to claim 1, wherein the outer side of the synchronization wheel includes a ring groove that can be set to match the transmission belt, and the surface of the ring groove is provided with a pattern structure that can improve contact friction.
  6. 根据权利要求1所述的多级传动轴装置,其特征在于:所述同步轮与传动轴之间通过平键限位固定。The multi-stage transmission shaft device according to claim 1, wherein the synchronization wheel and the transmission shaft are limited and fixed by a flat key.
  7. 一种多级传动轴系统,其特征在于:包括驱动装置和如权利要求1-6任一所述的多级传动轴装置,所述驱动装置包括驱动支架和多个驱动电机,所述驱动支架与最内侧传动轴固定连接或转动连接,以及与定位轴承的外侧固定连接,所述驱动电机通过传动带带动对应的同步轮转动,以带动对应的传动轴转动。A multi-stage transmission shaft system, characterized in that it comprises a driving device and the multi-stage transmission shaft device according to any one of claims 1-6, the driving device includes a driving bracket and a plurality of driving motors, the driving bracket It is fixedly connected or rotationally connected with the innermost transmission shaft and fixedly connected with the outer side of the positioning bearing. The driving motor drives the corresponding synchronous wheel to rotate through the transmission belt to drive the corresponding transmission shaft to rotate.
  8. 根据权利要求7所述的多级传动轴系统,其特征在于:所述传动轴的两端均设置有轴承和同步轮相配合的结构;所述多级传动轴系统还包括从动模块,所述从动模块包括从动支架和多个从动轮,所述从动支架和驱动支架分别与对应定位轴承的外侧固定连接,所述同步轮在传动轴带动下转动,且通过传动带带动对应的从动轮转动。The multi-stage transmission shaft system according to claim 7, characterized in that: both ends of the transmission shaft are provided with a structure in which a bearing and a synchronizing wheel cooperate; the multi-stage transmission shaft system further comprises a driven module, so The driven module includes a driven bracket and a plurality of driven wheels. The driven bracket and the driving bracket are respectively fixedly connected to the outer side of the corresponding positioning bearing. The synchronous wheel rotates under the drive of the drive shaft and drives the corresponding follower through the drive belt. The moving wheel rotates.
  9. 根据权利要求8所述的多级传动轴系统,其特征在于:所述从动模块还包括与从动轮同轴固定的从动轴。The multi-stage transmission shaft system according to claim 8, wherein the driven module further comprises a driven shaft fixed coaxially with the driven wheel.
PCT/CN2020/083304 2020-04-03 2020-04-03 Multi-stage transmission shaft device and system WO2021196205A1 (en)

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