WO2017152475A1 - 一种摩擦输送系统 - Google Patents

一种摩擦输送系统 Download PDF

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Publication number
WO2017152475A1
WO2017152475A1 PCT/CN2016/080291 CN2016080291W WO2017152475A1 WO 2017152475 A1 WO2017152475 A1 WO 2017152475A1 CN 2016080291 W CN2016080291 W CN 2016080291W WO 2017152475 A1 WO2017152475 A1 WO 2017152475A1
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WO
WIPO (PCT)
Prior art keywords
link
disposed
friction
shaft
roller
Prior art date
Application number
PCT/CN2016/080291
Other languages
English (en)
French (fr)
Inventor
李军辉
杨猛
张洪臣
陈振城
李庆
Original Assignee
广州明珞汽车装备有限公司
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 广州明珞汽车装备有限公司 filed Critical 广州明珞汽车装备有限公司
Priority to EP16893123.6A priority Critical patent/EP3290362B1/en
Priority to PL16893123T priority patent/PL3290362T3/pl
Publication of WO2017152475A1 publication Critical patent/WO2017152475A1/zh
Priority to US15/819,805 priority patent/US10138070B2/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G25/00—Conveyors comprising a cyclically-moving, e.g. reciprocating, carrier or impeller which is disengaged from the load during the return part of its movement
    • B65G25/04—Conveyors comprising a cyclically-moving, e.g. reciprocating, carrier or impeller which is disengaged from the load during the return part of its movement the carrier or impeller having identical forward and return paths of movement, e.g. reciprocating conveyors
    • B65G25/06—Conveyors comprising a cyclically-moving, e.g. reciprocating, carrier or impeller which is disengaged from the load during the return part of its movement the carrier or impeller having identical forward and return paths of movement, e.g. reciprocating conveyors having carriers, e.g. belts
    • B65G25/065—Reciprocating floor conveyors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G35/00—Mechanical conveyors not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
    • B65G21/10—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors movable, or having interchangeable or relatively movable parts; Devices for moving framework or parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G13/00—Roller-ways
    • B65G13/02—Roller-ways having driven rollers
    • B65G13/06—Roller driving means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G35/00—Mechanical conveyors not otherwise provided for
    • B65G35/06—Mechanical conveyors not otherwise provided for comprising a load-carrier moving along a path, e.g. a closed path, and adapted to be engaged by any one of a series of traction elements spaced along the path
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G13/00—Roller-ways
    • B65G13/11—Roller frames
    • B65G13/12—Roller frames adjustable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2812/00—Indexing codes relating to the kind or type of conveyors
    • B65G2812/12—Conveyors with reciprocating means

Definitions

  • the invention is used in the technical field of industrial automation equipment, in particular to a friction conveying system.
  • the automatic conveying system is the aortic blood vessel of the entire industrial production line, and is a conveying machine that transmits at a high speed within a certain distance.
  • gear rack driving, belt conveying, linear guide sliders and roller guides are often used.
  • the above driving and guiding methods have high requirements on machining precision, equipment installation and debugging accuracy of the mechanical parts, and the friction conveying system currently has a short driving phenomenon between the stations.
  • the present invention provides a friction conveying system that utilizes frictional driving of a roller to realize low-cost and high-speed conveying.
  • a friction conveying system comprising a friction driving unit, a clamping unit and a friction driving unit, the friction driving unit comprising a rotating driving component, a first connecting rod and a second connecting a rod, a first roller disposed on the first link, and a second roller disposed on the second link, the clamping unit including a driveable movement of the first link and the second link Causing the outer circular faces of the first roller and the second roller to clamp the clamping drive member of the friction drive member, the rotary drive member driving the first roller and/or the second roller to rotate and by friction The friction drive member is clamped between the first roller and the second roller for movement.
  • the first roller includes a main driving wheel and a secondary driving wheel disposed on the first connecting rod in a conveying direction, and the rotating driving component can drive the main driving wheel and the auxiliary driving wheel Synchronously rotating, the second roller includes two driven wheels respectively disposed on the second link in the conveying direction corresponding to the main driving wheel and the auxiliary driving wheel.
  • the rotating driving component has a first driving shaft, and the first driving shaft is mounted on the first connecting rod through a first roller mounting seat, and the first driving shaft is a main drive wheel is mounted on the upper side of the first link, a first synchronous toothed wheel is disposed on the first drive shaft below the first link, and a second drive shaft is disposed on the first link, the second The driving shaft is mounted on the first connecting rod via a second roller mounting seat, the auxiliary driving wheel is mounted on the second driving shaft above the first connecting rod, and the second driving shaft is disposed below the first connecting rod There is a second synchronous toothed wheel, and the first synchronous toothed wheel and the second synchronous toothed wheel are connected by a timing belt.
  • a first bushing is disposed between the first driving shaft and the first roller mounting seat, and the first bushing includes a first inner ring bushing disposed on the first driving shaft. And a first outer ring bushing disposed on the inner side of the first roller mount, a bearing is disposed on the two sides of the first bushing between the first drive shaft and the first roller mount, and the second drive shaft And a second sleeve disposed between the second roller mount, the second sleeve includes a second inner ring sleeve disposed on the second drive shaft and a second outer ring shaft disposed on the inner side of the second roller mount The sleeve is provided with bearings on both sides of the second sleeve between the second drive shaft and the second roller mount.
  • the rotating driving component includes a motor, and the motor is disposed on the first connecting rod through a motor mounting seat, and the motor mounting seat includes a first connecting rod.
  • the clamping driving component comprises a cylinder
  • the first connecting rod and the second connecting rod are respectively provided with a cylinder mounting seat, the piston rod of the cylinder and the cylinder of the bottom of the first connecting rod are installed.
  • the seat is hinged
  • the cylinder block is hinged to the cylinder mount at the bottom of the second link.
  • the bottom of the first connecting rod and the second connecting rod are respectively provided with a cylinder mounting seat
  • the clamping driving component comprises a cylinder
  • the cylinder mounting seat is hinged with the cylinder of the cylinder.
  • Another cylinder mount is hinged to the piston rod of the cylinder.
  • the bottom portions of the first link and the second link are respectively provided with two swinging members, and the swinging member includes a swing arm having a shaft hole in the middle thereof, and is disposed in the shaft hole An eccentric shaft that is rotatable in the shaft hole, a fixed shaft hole that is eccentrically disposed on the eccentric shaft, and a fixed shaft that is disposed in the fixed shaft hole and rotatable in the fixed shaft hole, the first link,
  • the second link is fixedly coupled to the swing arm of the swinging member.
  • a third sleeve is disposed between the fixed shaft and the eccentric shaft, and the third sleeve includes a third inner ring sleeve disposed on the fixed shaft and a fixed shaft disposed on the eccentric shaft a third outer ring sleeve on the inner side of the hole, an inner bearing between the fixed shaft and the eccentric shaft on both sides of the third sleeve, and a second circlip and an inner ring upper cover for locking the inner bearing, a fourth bushing is disposed between the eccentric shaft and the swing arm, and the fourth bushing includes a fourth inner ring bushing disposed on the eccentric shaft and a fourth outer ring bushing disposed on the inner side of the swing arm shaft hole.
  • An outer bearing and an outer ring upper gland and an outer ring lower gland for locking the outer bearing are disposed on both sides of the fourth bushing between the eccentric shaft and the swing arm.
  • the friction driving member includes a friction driving rod and a driving pin and a sub-positioning pin which are disposed on the friction driving rod and can cooperate with the hole position on the conveying load.
  • the clamping unit drives the first link and the second link to abut each other such that the first roller and the second roller abut against the friction driving member, that is, the power of the rotating driving member is transmitted to the friction Drive the component to drive the friction drive component to drive the load.
  • the traditional robots are used to pick up the production efficiency and the price is high, or the conventional automatic transportation uses the linear guide slider positioning, which requires more precision in the installation and processing of the equipment.
  • High, rack and pinion drive increases production costs.
  • the invention realizes low-cost high-speed transportation by adopting high-speed driving of the roller, reduces cost, reliable performance, convenient installation and meets the transportation demand of the industrial automation production line.
  • Figure 1 is a schematic view of the overall structure of the present invention
  • FIG. 2 is a schematic structural view of a friction driving unit and a clamping unit of the present invention
  • Figure 3 is a schematic view showing the connection structure of the first drive shaft and the main drive wheel of the present invention.
  • Figure 4 is a schematic view showing the connection structure of the driven wheel mounting seat and the driven wheel of the present invention.
  • Figure 5 is a schematic view showing the structure of the swinging member of the present invention.
  • FIG. 1 there is shown a specific structure of a preferred embodiment of the present invention.
  • the structural features of the various elements of the present invention will be described in detail below, and if described in the directions (up, down, left, right, front and back) The description is made with reference to the structure shown in Fig. 1, but the actual use direction of the present invention is not limited thereto.
  • the present invention provides a friction conveying system including a friction driving unit 1, a clamping unit 2, and a friction driving unit, the friction driving unit 1 including a rotation driving member, a first link 11, a second link 12, and a a first roller on the first link 11 and a second roller disposed on the second link 12, the clamping unit 2 includes a driveable drive of the first link 11 and the second link 12 Close together such that the outer circular faces of the first roller and the second roller clamp the clamping drive member of the friction drive member, the rotary drive member can drive the first roller and/or the second roller to rotate and pass friction The friction drive member clamped between the first roller and the second roller is moved.
  • the friction drive member includes a friction drive lever 3 and a drive pin 31 and a secondary positioning pin 32 provided on the friction drive lever 3 and engageable with the hole position on the transport load. It cooperates with the hole position of the conveying load through the driving pin 31 and the auxiliary positioning pin 32, and the conveying load is transmitted to each station under the action of the friction driving unit 1 and the clamping unit 2.
  • the first roller comprises a main driving wheel 13 and a secondary driving wheel 14 which are arranged on the first connecting rod 11 in the conveying direction, and the rotating driving component can drive the main driving wheel 13 and the auxiliary driving wheel 14 to rotate synchronously.
  • the second roller includes two driven wheels 15 respectively disposed on the second link 12 corresponding to the main driving wheel 13 and the auxiliary driving wheel 14 in the conveying direction.
  • the rotary drive unit includes a motor 16 that is disposed on the first link 11 via a motor mount, the motor mount including a torsion arm seat 17 disposed on the first link 11 and The torsion arm 19 is mounted on the torsion arm holder 17 by a positioning pin 18, and the motor 16 is fixedly mounted on the torsion arm 19 so that a slight degree of freedom of swing can be obtained.
  • the rotary drive member has a first drive shaft 10 mounted on the first link 11 via a first roller mount 110, the first drive shaft 10 being on the first link
  • the main drive wheel 13 is mounted on the upper portion of the first drive shaft 10, and the first drive gear wheel 111 is disposed on the first drive shaft 10, and the first drive shaft 112 is provided with a second drive shaft 112.
  • the second drive shaft 112 is mounted on the first link 11 via a second roller mounting seat.
  • the second drive shaft 112 is mounted with a secondary drive wheel 14 above the first link 11, and the second drive shaft 112
  • a second synchronizing gear 113 is disposed below the first link 11, and the first synchronizing gear 111 and the second synchronizing gear 113 are connected by a timing belt 114.
  • a first bushing is disposed between the first drive shaft 10 and the first roller mount 110, the first bushing includes a first inner ring bushing 115 disposed on the first drive shaft 10 and is disposed at the first a first outer ring sleeve 116 on the inner side of the roller mount 110, a bearing 117 is disposed between the first drive shaft 10 and the first roller mount 110 on both sides of the first sleeve, the second drive shaft A second sleeve is disposed between the 112 and the second roller mount, the second sleeve includes a second inner ring sleeve disposed on the second drive shaft 112 and a second outer sleeve disposed on the inner side of the second roller mount a ring sleeve, and a bearing is disposed between the second drive shaft and the second roller mount on both sides of the second sleeve.
  • the second connecting rod 12 is provided with a driven wheel mounting seat 118.
  • the driven wheel mounting base 118 is connected to the driven wheel 15 above the second connecting rod 12.
  • the driven wheel 15 passes through the bearing 117 and the first circlip
  • the 119 is mounted on the driven wheel mount 118.
  • the first drive shaft 10 cooperates with the first roller mount 110, the first inner ring bush 115, the first outer ring sleeve 116, and the bearing 117 to have only rotational freedom; the second synchronous tooth shape
  • the wheel 113 is fixed to the second drive shaft 112 by a key and a bolt, and the second drive shaft 112 is fixed in a manner consistent with the first drive shaft 10.
  • the driven wheel 14 is fixed to the driven wheel mount 118 mounted on the second link 12 via a bearing 117 and a first retaining spring 119, and is freely rotatable only around the driven wheel mount 118; the main drive is rotated when the motor 16 rotates
  • the wheel 13 obtains the power of the motor 16, while the first synchronous toothed wheel 111 is mounted on the first drive shaft 10 mounted on the motor 16 by a bushing, and passes through the timing belt 114 and the first synchronous tooth profile as the motor 16 rotates.
  • the action of the wheel 111 transmits power to the secondary drive wheel 14 mounted on the second drive shaft 112, thereby enabling single-motor two-wheel drive.
  • the clamping unit 2 mainly drives and releases the friction drive rod through a double four-bar linkage mechanism.
  • the clamping driving component includes a cylinder 121, and the bottom of the first connecting rod 11 and the second connecting rod 12 are respectively provided with a cylinder mounting seat 120.
  • the piston rod of the cylinder 121 is hinged with the cylinder mounting seat 120 at the bottom of the first connecting rod 11.
  • the cylinder of the cylinder 121 is hinged to the cylinder mount 120 at the bottom of the second link 12.
  • the bottom portions of the first link 11 and the second link 12 are respectively provided with two swinging members, and the swinging member includes a swing arm 21 having a shaft hole in the middle thereof, and is disposed in the shaft hole and can be in the shaft hole a rotating eccentric shaft 22, a fixed shaft hole eccentrically formed on the eccentric shaft 22, and a fixed shaft 23 disposed in the fixed shaft hole and rotatable in the fixed shaft hole, the first link 11 and the second The link 12 is fixedly coupled to the swing arm 21 of the swinging member.
  • a third bushing is disposed between the fixed shaft 23 and the eccentric shaft 22, and the third bushing includes a third inner ring bushing 24 disposed on the fixed shaft 23 and a first inner side of the fixed shaft hole of the eccentric shaft 22.
  • a fourth sleeve is disposed between the eccentric shaft 22 and the swing arm 21, and the fourth sleeve includes a fourth inner ring bushing 29 disposed on the eccentric shaft 22 and disposed inside the shaft hole of the swing arm 21 a fourth outer ring bushing 20, between the eccentric shaft 22 and the swing arm 21, an outer bearing 210 is disposed on both sides of the fourth bushing, and an outer ring upper pressing cover 211 and an outer ring of the outer bearing 210 are locked. Gland 212.
  • the working principle of the double four-bar linkage mechanism is as follows: the fixed shaft 23 is fixed on the base as a support point of the entire double four-bar linkage mechanism.
  • the eccentric shaft 22 is fixed by the cooperation of the inner bearing 26 and the second circlip 27 fixed to the fixed shaft 23.
  • the inner bearing 26 is fixed to the fixed shaft 23 by the cooperation of the third inner ring bushing 24, the third outer ring bushing 25, the second circlip spring 27 and the inner ring upper gland 28, so that the eccentric shaft 22 Can only rotate around it.
  • the outer bearing 210 realizes the fixing on the eccentric shaft 22 by the cooperation of the fourth inner ring bushing 29, the eccentric shaft 22 and the outer ring upper pressing cover 211, and the swing arm 21 passes the outer bearing 210 and the fourth
  • the outer ring bushing 29 and the outer ring lower pressing cover 212 cooperate to rotate only the eccentric shaft 22, and the swing arm 21 is fixed together with the first connecting rod 11 by bolts, since the first connecting rod 11 has Two swinging members form a four-bar linkage.
  • the principle of the second link side four-bar linkage mechanism coincides with the first link side.
  • the cylinder 121 brings the first link 11 and the second link 12 closer together by the swinging member under pressure, so that the main driving wheel 13 and the driven wheel 15, the auxiliary driving wheel 14 and the driven wheel 15 mounted thereon are brought together. Close to each other to abut the friction drive lever 3, that is, the power of the motor 16 is transmitted to the friction drive lever 3, thereby driving the friction lever 3 to move.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
  • Friction Gearing (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)

Abstract

一种摩擦输送系统，包括摩擦驱动单元（1）、夹紧单元（2）和摩擦驱动部件，该摩擦驱动单元（1）包括转动驱动部件、第一连杆（11）、第二连杆（12）、设在该第一连杆（11）上的第一滚轮和设在该第二连杆（12）上的第二滚轮，该夹紧单元（2）包括可驱动该第一连杆（11）和第二连杆（12）靠拢以使该第一滚轮和第二滚轮的外圆面夹紧该摩擦驱动部件的夹紧驱动部件，该转动驱动部件可驱动该第一滚轮和/或第二滚轮转动并通过摩擦力使夹紧在第一滚轮和第二滚轮间的摩擦驱动部件运动。采用第一滚轮和/或第二滚轮通过摩擦来驱动部件运动，成本低、性能可靠、安装方便，且满足工业自动化生产线的输送需要。

Description

一种摩擦输送系统
技术领域
本发明用于工业自动化装备技术领域，特别是涉及一种摩擦输送系统。
背景技术
随着经济全球化，生产高效化，势必要求全球制造走向智能化，同时国民生活水平提高，人力成本不断增加，势必全自动工业制造开发尤为重要。全自动输送系统是整个工业生产线的主动脉血管，是在一定距离内高速传输的输送机械。目前对于载荷的长距离输送，常采用齿轮齿条驱动、皮带输送、直线导轨滑块与滚轮导向等。但是以上驱动与导向方式，对机械零件加工精度、设备安装与调试精度要求较高，而且目前摩擦输送系统存在输送载荷在工位间短暂无驱动现象。
发明内容
为解决上述问题，本发明提供一种利用滚轮摩擦力驱动，实现低成本高速度输送的摩擦输送系统。
本发明解决其技术问题所采用的技术方案是：一种摩擦输送系统，包括摩擦驱动单元、夹紧单元和摩擦驱动部件，所述摩擦驱动单元包括转动驱动部件、第一连杆、第二连杆、设在所述第一连杆上的第一滚轮和设在所述第二连杆上的第二滚轮，所述夹紧单元包括可驱动所述第一连杆和第二连杆靠拢以使第一滚轮和第二滚轮的外圆面夹紧所述摩擦驱动部件的夹紧驱动部件，所述转动驱动部件可驱动所述第一滚轮和/或第二滚轮转动并通过摩擦力使夹紧在第一滚轮和第二滚轮间的摩擦驱动部件运动。
进一步作为本发明技术方案的改进，所述第一滚轮包括沿输送方向设在第一连杆上的主驱动轮和辅驱动轮，所述转动驱动部件可驱动所述主驱动轮和辅驱动轮同步转动，所述第二滚轮包括沿输送方向分别对应所述主驱动轮和辅驱动轮设在第二连杆上的两个从动轮。
进一步作为本发明技术方案的改进，所述转动驱动部件具有第一驱动轴，所述第一驱动轴通过第一滚轮安装座装在所述第一连杆上，所述第一驱动轴上于第一连杆的上方安装主驱动轮，第一驱动轴上于第一连杆的下方设有第一同步齿形轮，所述第一连杆上设有第二驱动轴，所述第二驱动轴通过第二滚轮安装座装在所述第一连杆上，所述第二驱动轴上于第一连杆的上方安装辅驱动轮，第二驱动轴上于第一连杆的下方设有第二同步齿形轮，第一同步齿形轮与第二同步齿形轮通过同步带连接。
进一步作为本发明技术方案的改进，所述第一驱动轴和第一滚轮安装座间设有第一轴套，所述第一轴套包括设在第一驱动轴上的第一内圈轴套和设在第一滚轮安装座内侧的第一外圈轴套，所述第一驱动轴和第一滚轮安装座间在所述第一轴套的两侧设有轴承，所述第二驱动轴和第二滚轮安装座间设有第二轴套，所述第二轴套包括设在第二驱动轴上的第二内圈轴套和设在第二滚轮安装座内侧的第二外圈轴套，所述第二驱动轴和第二滚轮安装座间在所述第二轴套的两侧设有轴承。
进一步作为本发明技术方案的改进，所述转动驱动部件包括电机，所述电机通过电机安装座设在所述第一连杆上，所述电机安装座包括设在所述第一连杆上的扭力臂座以及通过定位销装在所述扭力臂座上的扭力臂，所述电机固定安装在所述扭力臂上。
进一步作为本发明技术方案的改进，所述夹紧驱动部件包括气缸，所述第一连杆和第二连杆底部均设有气缸安装座，气缸的活塞杆与第一连杆底部的气缸安装座铰接，气缸的缸体与第二连杆底部的气缸安装座铰接。
进一步作为本发明技术方案的改进，所述第一连杆和第二连杆底部均设有气缸安装座，所述夹紧驱动部件包括气缸，一所述气缸安装座与气缸的缸体铰接，另一气缸安装座与气缸的活塞杆铰接。
进一步作为本发明技术方案的改进，所述第一连杆和第二连杆的底部各设有两个摆动部件，所述摆动部件包括中部设有轴孔的摆臂、设在所述轴孔中并可在轴孔中转动的偏心轴、偏心开设在所述偏心轴上的固定轴孔以及设在所述固定轴孔中并可在固定轴孔中转动的固定轴，第一连杆、第二连杆与所述摆动部件的摆臂固定连接。
进一步作为本发明技术方案的改进，所述固定轴和偏心轴间设有第三轴套，所述第三轴套包括设在固定轴上的第三内圈轴套和设在偏心轴固定轴孔内侧的第三外圈轴套，所述固定轴和偏心轴间在所述第三轴套的两侧设有内轴承以及锁紧内轴承的第二卡簧和内圈上压盖，所述偏心轴和摆臂间设有第四轴套，所述第四轴套包括设在偏心轴上的第四内圈轴套和设在摆臂轴孔内侧的第四外圈轴套，所述偏心轴和摆臂间在所述第四轴套的两侧设有外轴承以及锁紧外轴承的外圈上压盖和外圈下压盖。
进一步作为本发明技术方案的改进，所述摩擦驱动部件包括摩擦驱动杆和设在所述摩擦驱动杆上并可与输送载荷上孔位配合的主动销和副定位销。
本发明的有益效果：本发明工作时，夹紧单元驱动第一连杆和第二连杆相互靠拢从而使第一滚轮和第二滚轮紧贴摩擦驱动部件，即将转动驱动部件的动力传递给摩擦驱动部件，从而驱动摩擦驱动部件带动载荷运动。针对工业制造自动化生产线长距离输送、高速、高精度的情况，采用传统机器人抓起生产效率较低、价格昂贵，或常规自动化输送运用直线导轨滑块定位，这对设备的安装和加工精度要求较高，齿轮齿条驱动，提高了生产成本。本发明通过采用滚轮高速驱动实现了低成本高速运输，降低成本、性能可靠、安装方便并且满足工业自动化生产线的输送需求。
附图说明
下面结合附图对本发明作进一步说明：
图1是本发明整体结构示意图；
图2是本发明摩擦驱动单元、夹紧单元结构示意图；
图3是本发明第一驱动轴与主驱动轮连接结构示意图；
图4是本发明从动轮安装座与从动轮连接结构示意图；
图5是本发明摆动部件结构示意图。
具体实施方式
参照图1至图5，其显示出了本发明之较佳实施例的具体结构。以下将详细说明本发明各元件的结构特点，而如果有描述到方向( 上、下、左、右、前及后) 时，是以图1所示的结构为参考描述，但本发明的实际使用方向并不局限于此。
本发明提供了一种摩擦输送系统，包括摩擦驱动单元1、夹紧单元2和摩擦驱动部件，所述摩擦驱动单元1包括转动驱动部件、第一连杆11、第二连杆12、设在所述第一连杆11上的第一滚轮和设在所述第二连杆12上的第二滚轮，所述夹紧单元2包括可驱动所述第一连杆11和第二连杆12靠拢以使第一滚轮和第二滚轮的外圆面夹紧所述摩擦驱动部件的夹紧驱动部件，所述转动驱动部件可驱动所述第一滚轮和/或第二滚轮转动并通过摩擦力使夹紧在第一滚轮和第二滚轮间的摩擦驱动部件运动。所述摩擦驱动部件包括摩擦驱动杆3和设在所述摩擦驱动杆3上并可与输送载荷上孔位配合的主动销31和副定位销32。其通过主动销31和副定位销32与输送载荷上孔位配合，在摩擦驱动单元1与夹紧单元2共同作用下，将输送载荷输送到各个工位。
其中，所述第一滚轮包括沿输送方向设在第一连杆11上的主驱动轮13和辅驱动轮14，所述转动驱动部件可驱动所述主驱动轮13和辅驱动轮14同步转动，所述第二滚轮包括沿输送方向分别对应所述主驱动轮13和辅驱动轮14设在第二连杆12上的两个从动轮15。所述转动驱动部件包括电机16，所述电机16通过电机安装座设在所述第一连杆11上，所述电机安装座包括设在所述第一连杆11上的扭力臂座17以及通过定位销18装在所述扭力臂座17上的扭力臂19，所述电机16固定安装在所述扭力臂19上，从而可以获得轻微的摆动自由度。所述转动驱动部件具有第一驱动轴10，所述第一驱动轴10通过第一滚轮安装座110装在所述第一连杆11上，所述第一驱动轴10上于第一连杆11的上方安装主驱动轮13，第一驱动轴10上于第一连杆11的下方设有第一同步齿形轮111，所述第一连杆11上设有第二驱动轴112，所述第二驱动轴112通过第二滚轮安装座装在所述第一连杆11上，所述第二驱动轴112上于第一连杆11的上方安装辅驱动轮14，第二驱动轴112上于第一连杆11的下方设有第二同步齿形轮113，第一同步齿形轮111与第二同步齿形轮113通过同步带114连接。所述第一驱动轴10和第一滚轮安装座110间设有第一轴套，所述第一轴套包括设在第一驱动轴10上的第一内圈轴套115和设在第一滚轮安装座110内侧的第一外圈轴套116，所述第一驱动轴10和第一滚轮安装座110间在所述第一轴套的两侧设有轴承117，所述第二驱动轴112和第二滚轮安装座间设有第二轴套，所述第二轴套包括设在第二驱动轴112上的第二内圈轴套和设在第二滚轮安装座内侧的第二外圈轴套，所述第二驱动轴和第二滚轮安装座间在所述第二轴套的两侧设有轴承。所述第二连杆12上设有从动轮安装座118，所述从动轮安装座118上于第二连杆12的上方连接所述从动轮15，从动轮15通过轴承117和第一卡簧119安装在从动轮安装座118上。
所述第一驱动轴10通过第一滚轮安装座110、第一内圈轴套115、第一外圈轴套116、轴承117共同作用，使其只有转动自由度；所述第二同步齿形轮113通过键和螺栓固定在第二驱动轴112上，所述第二驱动轴112固定方式与第一驱动轴10一致。所述从动轮14通过轴承117和第一卡簧119固定在安装于第二连杆12上的从动轮安装座118上，仅能绕从动轮安装座118自由转动；当电机16旋转时主驱动轮13获得电机16的动力，同时所述第一同步齿形轮111通过轴套定位安装于电机16上的第一驱动轴10上，当电机16旋转时通过同步带114和第一同步齿形轮111的作用将动力传递给安装在第二驱动轴112上的辅驱动轮14上，从而实现单电机双轮驱动。当摩擦驱动杆3通过时，夹紧单元2夹紧，电机16旋转，从而实现单电机双轮驱动，而实现单电机双轮驱动，这样可以解决输送小车短区间无驱动现象。
本发明中夹紧单元2主要通过双四连杆机构，实现对摩擦驱动杆的驱动和释放。所述夹紧驱动部件包括气缸121，所述第一连杆11和第二连杆12底部均设有气缸安装座120，气缸121的活塞杆与第一连杆11底部的气缸安装座120铰接，气缸121的缸体与第二连杆12底部的气缸安装座120铰接。所述第一连杆11和第二连杆12的底部各设有两个摆动部件，所述摆动部件包括中部设有轴孔的摆臂21、设在所述轴孔中并可在轴孔中转动的偏心轴22、偏心开设在所述偏心轴22上的固定轴孔以及设在所述固定轴孔中并可在固定轴孔中转动的固定轴23，第一连杆11、第二连杆12与所述摆动部件的摆臂21固定连接。所述固定轴23和偏心轴22间设有第三轴套，所述第三轴套包括设在固定轴23上的第三内圈轴套24和设在偏心轴22固定轴孔内侧的第三外圈轴套25，所述固定轴23和偏心轴22间在所述第三轴套的两侧设有内轴承26以及锁紧内轴承26的第二卡簧27和内圈上压盖28，所述偏心轴22和摆臂21间设有第四轴套，所述第四轴套包括设在偏心轴22上的第四内圈轴套29和设在摆臂21轴孔内侧的第四外圈轴套20，所述偏心轴22和摆臂21间在所述第四轴套的两侧设有外轴承210以及锁紧外轴承210的外圈上压盖211和外圈下压盖212。
双四连杆机构的工作原理如下：所述固定轴23固定在基座上，作为整个双四连杆机构的支撑点。所述偏心轴22通过固定在固定轴23上的内轴承26和第二卡簧27的共同作用实现其固定。所述内轴承26通过第三内圈轴套24、第三外圈轴套25、第二卡簧27和内圈上压盖28的共同作用实现固定在固定轴23上，从而使得偏心轴22只能绕其转动。所述外轴承210通过第四内圈轴套29、偏心轴22、外圈上压盖211的共同作用实现其在偏心轴22上的固定，而所述摆臂21通过外轴承210、第四外圈轴套29、外圈下压盖212的共同作用，使其只可以转偏心轴22转动，所述摆臂21通过螺栓与第一连杆11固定一起，由于第一连杆11上有两个摆动部件，从而组成四连杆机构。第二连杆侧四连杆机构原理与第一连杆侧一致。所述气缸121在压力作用下，通过摆动部件使第一连杆11和第二连杆12相互靠拢，从而使安装其上的主驱动轮13与从动轮15、辅驱动轮14与从动轮15相互靠拢从而紧贴摩擦驱动杆3，即将电机16的动力传递给摩擦驱动杆3，从而驱动摩擦杆3运动。
当然，本发明创造并不局限于上述实施方式，熟悉本领域的技术人员在不违背本发明精神的前提下还可作出等同变形或替换，这些等同的变型或替换均包含在本申请权利要求所限定的范围内。

Claims (10)

  1. 一种摩擦输送系统，其特征在于：包括摩擦驱动单元、夹紧单元和摩擦驱动部件，所述摩擦驱动单元包括转动驱动部件、第一连杆、第二连杆、设在所述第一连杆上的第一滚轮和设在所述第二连杆上的第二滚轮，所述夹紧单元包括可驱动所述第一连杆和第二连杆靠拢以使第一滚轮和第二滚轮的外圆面夹紧所述摩擦驱动部件的夹紧驱动部件，所述转动驱动部件可驱动所述第一滚轮和/或第二滚轮转动并通过摩擦力使夹紧在第一滚轮和第二滚轮间的摩擦驱动部件运动。
  2. 根据权利要求1所述的摩擦输送系统，其特征在于：所述第一滚轮包括沿输送方向设在第一连杆上的主驱动轮和辅驱动轮，所述转动驱动部件可驱动所述主驱动轮和辅驱动轮同步转动，所述第二滚轮包括沿输送方向分别对应所述主驱动轮和辅驱动轮设在第二连杆上的两个从动轮。
  3. 根据权利要求2所述的摩擦输送系统，其特征在于：所述转动驱动部件具有第一驱动轴，所述第一驱动轴通过第一滚轮安装座装在所述第一连杆上，所述第一驱动轴上于第一连杆的上方安装主驱动轮，第一驱动轴上于第一连杆的下方设有第一同步齿形轮，所述第一连杆上设有第二驱动轴，所述第二驱动轴通过第二滚轮安装座装在所述第一连杆上，所述第二驱动轴上于第一连杆的上方安装辅驱动轮，第二驱动轴上于第一连杆的下方设有第二同步齿形轮，第一同步齿形轮与第二同步齿形轮通过同步带连接。
  4. 根据权利要求3所述的摩擦输送系统，其特征在于：所述第一驱动轴和第一滚轮安装座间设有第一轴套，所述第一轴套包括设在第一驱动轴上的第一内圈轴套和设在第一滚轮安装座内侧的第一外圈轴套，所述第一驱动轴和第一滚轮安装座间在所述第一轴套的两侧设有轴承，所述第二驱动轴和第二滚轮安装座间设有第二轴套，所述第二轴套包括设在第二驱动轴上的第二内圈轴套和设在第二滚轮安装座内侧的第二外圈轴套，所述第二驱动轴和第二滚轮安装座间在所述第二轴套的两侧设有轴承。
  5. 根据权利要求3所述的摩擦输送系统，其特征在于：所述转动驱动部件包括电机，所述电机通过电机安装座设在所述第一连杆上，所述电机安装座包括设在所述第一连杆上的扭力臂座以及通过定位销装在所述扭力臂座上的扭力臂，所述电机固定安装在所述扭力臂上。
  6. 根据权利要求2所述的摩擦输送系统，其特征在于：所述第二连杆上设有从动轮安装座，所述从动轮安装座上于第二连杆的上方连接所述从动轮，从动轮通过轴承和第一卡簧安装在从动轮安装座上。
  7. 根据权利要求1所述的摩擦输送系统，其特征在于：所述夹紧驱动部件包括气缸，所述第一连杆和第二连杆底部均设有气缸安装座，气缸的活塞杆与第一连杆底部的气缸安装座铰接，气缸的缸体与第二连杆底部的气缸安装座铰接。
  8. 根据权利要求7所述的摩擦输送系统，其特征在于：所述第一连杆和第二连杆的底部各设有两个摆动部件，所述摆动部件包括中部设有轴孔的摆臂、设在所述轴孔中并可在轴孔中转动的偏心轴、偏心开设在所述偏心轴上的固定轴孔以及设在所述固定轴孔中并可在固定轴孔中转动的固定轴，第一连杆、第二连杆与所述摆动部件的摆臂固定连接。
  9. 根据权利要求8所述的摩擦输送系统，其特征在于：所述固定轴和偏心轴间设有第三轴套，所述第三轴套包括设在固定轴上的第三内圈轴套和设在偏心轴固定轴孔内侧的第三外圈轴套，所述固定轴和偏心轴间在所述第三轴套的两侧设有内轴承以及锁紧内轴承的第二卡簧和内圈上压盖，所述偏心轴和摆臂间设有第四轴套，所述第四轴套包括设在偏心轴上的第四内圈轴套和设在摆臂轴孔内侧的第四外圈轴套，所述偏心轴和摆臂间在所述第四轴套的两侧设有外轴承以及锁紧外轴承的外圈上压盖和外圈下压盖。
  10. 根据权利要求1所述的摩擦输送系统，其特征在于：所述摩擦驱动部件包括摩擦驱动杆和设在所述摩擦驱动杆上并可与输送载荷上孔位配合的主动销和副定位销。
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US10138070B2 (en) 2018-11-27
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CN105645059A (zh) 2016-06-08
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