WO2014106360A1 - 一种用于传送硬质工件的导向装置 - Google Patents

一种用于传送硬质工件的导向装置 Download PDF

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Publication number
WO2014106360A1
WO2014106360A1 PCT/CN2013/070575 CN2013070575W WO2014106360A1 WO 2014106360 A1 WO2014106360 A1 WO 2014106360A1 CN 2013070575 W CN2013070575 W CN 2013070575W WO 2014106360 A1 WO2014106360 A1 WO 2014106360A1
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WIPO (PCT)
Prior art keywords
buffer
belt
buffer belt
guiding device
hard workpiece
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2013/070575
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English (en)
French (fr)
Inventor
刘明
宋涛
马涛
赵国栋
陈方甫
丁涛
刘一俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TCL China Star Optoelectronics Technology Co Ltd
Original Assignee
Shenzhen China Star Optoelectronics Technology Co Ltd
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.)
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Publication date
Application filed by Shenzhen China Star Optoelectronics Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Technology Co Ltd
Priority to US13/824,384 priority Critical patent/US9120627B2/en
Publication of WO2014106360A1 publication Critical patent/WO2014106360A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B65G39/00—Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors 
    • B65G39/02—Adaptations of individual rollers and supports therefor
    • B65G39/06—Adaptations of individual rollers and supports therefor the roller sleeves being shock-absorbing, e.g. formed by helically-wound wires
    • 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
    • B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/28—Conveyors with a load-conveying surface formed by a single flat belt, 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
    • B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/30—Belts or like endless load-carriers
    • B65G15/32—Belts or like endless load-carriers made of rubber or plastics
    • B65G15/42—Belts or like endless load-carriers made of rubber or plastics having ribs, ridges, or other surface projections
    • 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
    • B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
    • B65G49/05—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles
    • B65G49/06—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles for fragile sheets, e.g. glass
    • B65G49/063—Transporting devices for sheet glass
    • B65G49/064—Transporting devices for sheet glass in a horizontal position
    • 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
    • B65G2207/00—Indexing codes relating to constructional details, configuration and additional features of a handling device, e.g. Conveyors
    • B65G2207/28—Impact protection

Definitions

  • the present invention relates to the field of workpiece transfer devices, and more particularly to a guide for conveying a rigid workpiece.
  • the display field typically uses glass as the substrate for the display.
  • each process requires a guiding device, which conveys the glass when the relevant process is performed, prevents the glass from running off, and can assist the glass to advance forward, and can also support the glass.
  • the guiding devices currently used in the industry are usually made of nylon, plastic steel, PE, UPE. When materials are made, these materials are generally relatively hard. The glass of the same hard material often breaks due to mutual impact during the contact with the glass, and the edge of the glass is also easily worn to form broken particles. On the other hand, the contact portion of the guiding device with the glass may also be gravure due to impact and friction with the glass. This not only causes greater damage to the conveyed glass, but also increases the cost of the maintenance guide.
  • the technical problem to be solved by the embodiments of the present invention is to provide a guiding device for conveying a hard workpiece such as glass, which reduces the impact and wear between the hard workpiece such as glass and the guiding device during the conveying process.
  • an embodiment of the present invention provides A guiding device for conveying a hard workpiece, comprising a buffer belt for carrying the hard workpiece, a guide wheel for driving the buffer belt, and a driving device for controlling rotation of the guide wheel,
  • the buffer strip is made of an elastic material.
  • the buffer belt is provided with a clamping portion for clamping the hard workpiece.
  • the clamping portion comprises a toothed protrusion at both ends of the buffer belt, and a middle portion of the buffer belt is a deformation region, when the hard workpiece is pressed in the deformation region of the buffer belt during being conveyed, Both ends of the buffer belt are brought closer together in the middle until the inner side surface of the toothed projection at both ends of the buffer belt is completely fitted to the hard workpiece.
  • the clamping portion comprises a occlusal pad respectively adhered at both ends of the buffering strip
  • the middle portion of the buffering strip is a deformation zone
  • the deformation of the buffering strip is pressed when the hard workpiece is conveyed
  • the two ends of the buffer belt drive the occlusal pad toward the middle until the inner side of the occlusal pad completely fits the rigid workpiece.
  • the two ends of the buffer belt have a slope from high to low, and the deformation zone of the buffer belt is formed by intersecting two slopes, and the inner side of the occlusal pad is a slope surface.
  • the buffer belt is a plane
  • an inner side surface of the occlusal pad is a horizontal plane.
  • the occlusal pad is made of a non-slip material.
  • the width of the deformation zone of the buffer zone is equivalent to the thickness of the hard workpiece.
  • the driving device is a transmission shaft
  • the guiding wheel is fixed on the transmission shaft
  • the buffer belt is sleeved on at least two guiding wheels.
  • the driving device is a chain
  • the guiding wheel is fixed on the chain
  • the buffer belts are respectively bonded on a single guiding wheel.
  • the present invention provides a guiding device for conveying a hard workpiece, comprising a buffer belt for carrying the hard workpiece, a guide wheel for driving the buffer belt, and for controlling
  • the driving device for rotating the guide wheel is provided with a clamping portion for clamping the hard workpiece, and the buffering belt is made of an elastic material.
  • the clamping portion comprises a toothed protrusion at both ends of the buffer belt, and a middle portion of the buffer belt is a deformation region, when the hard workpiece is pressed in the deformation region of the buffer belt during being conveyed, Both ends of the buffer belt are brought closer together in the middle until the inner side surface of the toothed projection at both ends of the buffer belt is completely fitted to the hard workpiece.
  • the clamping portion comprises a occlusal pad respectively adhered at both ends of the buffering strip
  • the middle portion of the buffering strip is a deformation zone
  • the deformation of the buffering strip is pressed when the hard workpiece is conveyed
  • the two ends of the buffer belt drive the occlusal pad toward the middle until the inner side of the occlusal pad completely fits the rigid workpiece.
  • a buffer belt made of an elastic material carries a hard workpiece such as a conveyed glass, and when the guiding device is in contact with the conveyed hard workpiece, the buffer belt is deformed by deformation. Therefore, the pressure generated during the contact process of the guiding device with the hard workpiece can be reduced, and the contact portion can be broken or worn due to the pressure, thereby not only avoiding the loss of the transmitted hard workpiece, but also reducing the consumption of the guiding device. , thereby saving material costs.
  • FIG. 1 is a schematic view of a guiding device for conveying a hard workpiece according to a first embodiment of the present invention
  • FIG. 2 is a schematic view of a guiding device for conveying a hard workpiece according to a second embodiment of the present invention
  • FIG. 3 is a schematic view of a guiding device for conveying a hard workpiece according to a third embodiment of the present invention.
  • FIG. 4 is a schematic view of a guiding device for conveying a hard workpiece according to a fourth embodiment of the present invention.
  • Figure 5 is a schematic view showing another direction of the guiding device provided by any one of the first to fourth embodiments of the present invention.
  • Fig. 6 is a schematic view showing another direction of the guiding device provided by any one of the first to fourth embodiments of the present invention.
  • a side view of a guiding device 1 for conveying a hard workpiece such as glass according to a first embodiment of the present invention.
  • Guide device 1 A buffer belt 11 for carrying a hard workpiece such as glass, a guide wheel 12 for driving the buffer belt, and a driving device (not shown) for controlling the rotation of the guide wheel are included.
  • the buffer zone 11 It is made of an elastic material, which may be, for example, Teflon, ductile rubber, PTFE, or the like, or may be a balloon-like material as long as it is elastically deformed under pressure.
  • the guide device for a hard workpiece provided by the present invention is provided with a buffer belt made of an elastic material 11
  • the buffer belt 11 is carried by a hard workpiece such as a conveyed glass that is in contact with the conveyed hard workpiece.
  • the deformation occurs under pressure, so that the pressure generated during the contact between the guiding device and the hard workpiece can be reduced, and the contact portion can be broken or worn due to the pressure, thereby not only avoiding the loss of the transmitted hard workpiece, but also reducing the loss.
  • the use of the guiding device is consumed, thereby saving material costs.
  • Buffer zone A clamping portion for holding a hard workpiece is provided on the 11th. An embodiment of a guide provided with a holding portion will be described below with reference to Figs. 2-4.
  • FIG. 2 is a schematic view of a guiding device for conveying a hard workpiece according to a second embodiment of the present invention.
  • the buffer zone The ends of the teeth 11 are dentate, and the inner side of the dentate protrusions may be a sloped surface.
  • the middle of the buffer zone 11 is a deformation zone, and the hard workpiece 2 One side of the contact is in full contact, and the deformation zone may be a plane of intersection, and is also formed by the intersection of the inner sides of the dentate projections at the upper and lower ends.
  • the clamping portion includes a toothed projection at both ends of the buffer belt 11 when the hard workpiece 2
  • both ends of the buffer belt 11 are brought closer together in the middle until the inner side of the toothed projection at both ends of the buffer belt 11 and the hard workpiece 2 Fits perfectly to hold the hard workpiece 2 .
  • the thickness of the hard workpiece 2 to be processed is preferably greater than the width of the section plane, that is, the hard workpiece 2 It is preferable to press the sloped surface of the buffer belt 11 so that the buffer belt 11 is more deformed to make the toothed projection easier to close.
  • FIG. 3 is a schematic view of a guiding device for conveying a hard workpiece 2 according to a third embodiment of the present invention.
  • the cushioning belt 11 is a flat surface
  • the clamping portion includes occlusal pads 13 respectively adhered to the two ends of the buffering belt 11, and the position of the buffering belt 11 without the bonded occlusal pad 13 is a deformation zone directly with the hard workpiece.
  • One side of 2 is in full contact.
  • the inner side of the occlusal pad 13 is a horizontal plane, which is almost parallel to the hard workpiece 2 placed therebetween, and the outer side of the occlusal pad 13 is a sloped surface when the hard workpiece 2
  • both ends of the buffer belt drive the occlusal pad 13 slightly closer to the middle until the inner side of the occlusal pad 13 and the hard workpiece 2 Fully fit.
  • the buffer belt 11 is brought closer to the center due to the deformation of the buffer belt 11, and therefore, the buffer belt 11 (especially the deformation region of the buffer belt 11) is preferably formed as a slope surface. This embodiment will be described in detail with reference to FIG.
  • FIG. 4 it is a schematic diagram of a guiding device for conveying a hard workpiece 2 according to a fourth embodiment of the present invention.
  • the buffer zone 11 has a high to low slope from the two ends to the middle.
  • the middle of the buffer zone 11 is a deformation zone formed by the intersection of two slope faces.
  • the nip portion includes occlusal pads that are respectively adhered to both ends of the buffer belt 11
  • the inner side of the occlusal pad 13 is a sloped surface.
  • the occlusal pad 13 Made of non-slip material such as non-slip rubber.
  • the cushioning belt 11 The width of the deformation zone (i.e., the position where the blister pad 13 is not bonded in the middle of the buffer zone 11) is equivalent to the thickness of the hard workpiece 2, especially when the deformation zone is extruded into a plane, the width and the hard workpiece 2 The thickness is equivalent.
  • the outer surface of the occlusal pad 13 is also a sloped surface.
  • FIG. 5 a schematic view of another direction of the guiding device provided in any one of the first to fourth embodiments of the present invention, wherein the driving device 14 is the drive shaft, the guide wheel 12 is fixed on the drive shaft by a fixing nut 15, and the buffer belt 11 is sleeved on at least two guide wheels 12.
  • the drive shaft drives the guide wheel 12 to rotate, so that the buffer belt 11 To a specific reverse drive, the hard workpiece held by it is guided.
  • FIG. 6 a schematic view of another direction of the guiding device provided by any one of the first to fourth embodiments of the present invention, wherein the driving device 14 is a chain, and the guide wheel 12 is fixed to the chain by a fixing nut 15, and the buffer belt 11 is bonded to each of the guide wheels 12, respectively.
  • the chain is driven in a specific direction to drive the guide wheel 12 fixed thereto Moving in a specific direction guides the hard workpiece held on the guide wheel 12.
  • the invention can be applied to the field of display screen manufacturing.
  • the hard workpiece described above is a glass substrate for manufacturing a display screen.
  • the top end of the buffer belt is brought closer to the middle. That is, the top ends of the upper and lower ends are bent toward the upper and lower sides of the glass substrate, and the occlusal pads of the anti-slip material (such as non-slip rubber) are added to the upper and lower ends of the buffer band, and when the two ends of the buffer tape are brought closer to the glass substrate,
  • the non-slip occlusal pads at both ends are in planar contact with the surface of the glass substrate, thereby clamping the glass substrate to move forward together, thereby reducing the relative movement of the glass substrate, thereby avoiding the offset of the glass substrate during transport.
  • the friction of the glass substrate on the guide wheel is avoided, the generation of particles and the damage of the guide wheel are avoided, and the cost is greatly saved.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Dampers (AREA)
  • Soil Working Implements (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)

Abstract

一种用于传送硬质工件的导向装置（1），包括用于承载所述硬质工件的缓冲带（11）、用于带动所述缓冲带（11）移动的导轮（12）、以及用于控制所述导轮（12）转动的驱动设备，所述缓冲带（11）由弹性材料制成。通过弹性材料制成的缓冲带承载被传送的玻璃等硬质工件，导向装置与被传送的硬质工件接触时，所述缓冲带受压而发生形变，从而可以减小导向装置与硬质工件接触过程中产生的压力，避免接触部位因压力而发生破碎或磨损，不仅可以避免被传送的硬质工件的损失，而且还可以减少导向装置的使用消耗，从而节约了物料成本。

Description

一种用于传送硬质工件的导向装置 技术领域
本发明涉及工件传送装置领域，尤其涉及一种用于传送硬质工件的导向装置。
背景技术
目前，显示领域通常使用玻璃作为显示器的基板。在形成显示器的工艺流程中，基本上每个工序都需要导向装置，在进行相关工艺的时候传送玻璃，防止玻璃跑偏，同时可以协助玻璃向前推进，还可以对玻璃起一定的支撑作用。
但是，目前在业界使用的绝大多数导向装置通常由尼龙、塑钢、 PE 、 UPE 等材料制作，这些材料一般硬度也比较大，同为硬质材料的玻璃在与其接触的过程中常常会因相互撞击而出现破裂，同时玻璃边缘也容易被磨损而形成碎裂的微粒。另一方面，导向装置与玻璃的接触部位上也可能因为与玻璃的撞击和摩擦而产生凹印。这样，不仅对被传送的玻璃造成较大损害，而且也增加了维护导向装置的成本。
 技术问题
本发明实施例所要解决的技术问题在于，提供一种用于传送玻璃等硬质工件的导向装置，减少玻璃等硬质工件在传送过程中与导向装置之间的撞击和磨损。
技术解决方案
为了解决上述技术问题，本发明实施例提供了 一种用于传送硬质工件的导向装置，包括用于承载所述硬质工件的缓冲带、用于带动所述缓冲带移动的导轮、以及用于控制所述导轮转动的驱动设备，所述缓冲带由弹性材料制成。
其中，所述缓冲带上设置有用于夹持所述硬质工件的夹持部。
其中，所述夹持部包括缓冲带两端的牙状凸起，所述缓冲带的中部为形变区，当所述硬质工件在被传送的过程中挤压所述缓冲带的形变区时，所述缓冲带的两端向中间靠拢，直至所述缓冲带两端的牙状凸起的内侧面与所述硬质工件完全贴合。
其中，所述夹持部包括分别粘合在缓冲带两端的牙合垫，所述缓冲带的中部为形变区，当所述硬质工件在被传送的过程中挤压所述缓冲带的形变区时，所述缓冲带的两端带动所述牙合垫向中间靠拢，直至所述牙合垫的内侧面与所述硬质工件完全贴合。
其中，所述缓冲带的两端到中部分别为从高到低的斜坡，所述缓冲带的形变区由两个斜坡相交而成，牙合垫的内侧面为斜坡面。
其中，所述缓冲带为平面，所述牙合垫的内侧面为水平面。
其中，所述牙合垫由防滑材料制成。
其中，所述缓冲带的形变区的宽度与所述硬质工件的厚度相当。
其中，所述驱动设备为传动轴，所述导轮固定在所述传动轴上，所述缓冲带套接在至少两个导轮上。
其中，所述驱动设备为链条，所述导轮固定在所述链条上，所述缓冲带分别粘合在单个导轮上。
另一方面，本发明还提供了一种用于传送硬质工件的导向装置，包括用于承载所述硬质工件的缓冲带、用于带动所述缓冲带移动的导轮、以及用于控制所述导轮转动的驱动设备，所述缓冲带上设置有用于夹持所述硬质工件的夹持部，所述缓冲带由弹性材料制成。
其中，所述夹持部包括缓冲带两端的牙状凸起，所述缓冲带的中部为形变区，当所述硬质工件在被传送的过程中挤压所述缓冲带的形变区时，所述缓冲带的两端向中间靠拢，直至所述缓冲带两端的牙状凸起的内侧面与所述硬质工件完全贴合。
其中，所述夹持部包括分别粘合在缓冲带两端的牙合垫，所述缓冲带的中部为形变区，当所述硬质工件在被传送的过程中挤压所述缓冲带的形变区时，所述缓冲带的两端带动所述牙合垫向中间靠拢，直至所述牙合垫的内侧面与所述硬质工件完全贴合。
 有益效果
实施本发明实施例，具有如下有益效果：通过弹性材料制成的缓冲带承载被传送的玻璃等硬质工件，导向装置与被传送的硬质工件接触时，所述缓冲带受压而发生形变，从而可以减小导向装置与硬质工件接触过程中产生的压力，避免接触部位因压力而发生破碎或磨损，不仅可以避免被传送的硬质工件的损失，而且还可以减少导向装置的使用消耗，从而节约了物料成本。
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。
图 1 是本发明第一实施例提供的用于传送硬质工件的导向装置的示意图；
图 2 是本发明第二实施例提供的用于传送硬质工件的导向装置的示意图；
图 3 是本发明第三实施例提供的用于传送硬质工件的导向装置的示意图；
图 4 是本发明第四实施例提供的用于传送硬质工件的导向装置的示意图；
图 5 是本发明第一至第四实施例中任意一个提供的导向装置的另一方向的示意图；
图 6 是本发明第一至第四实施例中任意一个提供的导向装置的另一方向的示意图。
 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。
请参见图 1 ，是本发明第一实施例提供的用于传送玻璃等硬质工件的导向装置 1 的侧视图。导向装置 1 包括用于承载玻璃等硬质工件的缓冲带 11 、用于带动所述缓冲带移动的导轮 12 、以及用于控制所述导轮转动的驱动设备（图中未示出）。其中，缓冲带 11 由弹性材料制成，该弹性材料可以是例如铁弗龙、韧性橡胶、 PTFE 等，还可以是气囊状材料，只要在压力作用下容易发生弹性形变即可。
本发明提供的用于硬质工件的导向装置，通过弹性材料制成的缓冲带 11 承载被传送的玻璃等硬质工件，导向装置与被传送的硬质工件接触时，所述缓冲带 11 受压而发生形变，从而可以减小导向装置与硬质工件接触过程中产生的压力，避免接触部位因压力而发生破碎或磨损，不仅可以避免被传送的硬质工件的损失，而且还可以减少导向装置的使用消耗，从而节约了物料成本。
在图 1 所示的实施例中，虽然缓冲带 11 可以在承载硬质工件时防止发生撞击，但是所携带的硬质工件在传送过程中容易因为惯性作用发生位移，由于位移而产生的摩擦同样会导致接触部位的磨损，为了克服这个缺陷，可以在缓冲带 11 上设置用于夹持硬质工件的夹持部。下面将参考图 2-4 描述设置有加持部的导向装置的实施例。
请参见图 2 ，是本发明第二实施例提供的用于传送硬质工件的导向装置的示意图。如图 2 所示，缓冲带 11 的两端呈牙状凸起，该牙状凸起的内侧面可以是斜坡面。缓冲带 11 的中部为形变区，与硬质工件 2 的一侧面完全接触，形变区可以是一截平面，也由上下两端的牙状凸起的内侧面相交形成。夹持部包括缓冲带 11 两端的牙状凸起，当硬质工件 2 在被传送的过程中挤压缓冲带 11 的形变区时，由于形变区的弹性形变，缓冲带 11 的两端向中间靠拢，直至缓冲带 11 两端的牙状凸起的内侧面与硬质工件 2 完全贴合，从而夹持住硬质工件 2 。具体地，当缓冲带 11 的形变区是一截平面时，待处理的硬质工件 2 的厚度最好大于该截平面的宽度，也就是说，硬质工件 2 最好能挤压到缓冲带 11 的斜坡面，以便使缓冲带 11 产生更大的形变使牙状凸起更容易闭合。
请参见图 3 ，是本发明第三实施例提供的用于传送硬质工件 2 的导向装置的示意图。如图 3 所示，缓冲带 11 是一个平面，夹持部包括分别粘合在缓冲带 11 两端的牙合垫 13 ，缓冲带 11 中部没有粘合牙合垫 13 的位置为形变区，直接与硬质工件 2 的一侧面完全接触。牙合垫 13 的内侧面为水平面，几乎与置于其间的硬质工件 2 平行，牙合垫 13 的外侧面为斜坡面，当硬质工件 2 在被传送的过程中挤压缓冲带 11 的中部时，由于形变区的轻微弹性形变，缓冲带的两端带动牙合垫 13 向中间稍微靠拢，直至牙合垫 13 的内侧面与硬质工件 2 完全贴合。
图 3 所示的实施例中，由于形变区是平面，硬质工件 2 挤压时，形变区发生的形变较小，不容易使牙合垫 13 因缓冲带 11 的形变而向中间靠拢，因此，缓冲带 11 （尤其是缓冲带 11 的形变区）最好能做成斜坡面。这个实施例将参考图 4 详细描述。
请参见图 4 ，是本发明第四实施例提供的用于传送硬质工件 2 的导向装置的示意图。如图 4 所示，缓冲带 11 的两端到中部分别为从高到低的斜坡。缓冲带 11 的中部为形变区，由两个斜坡面相交而成。夹持部包括分别粘合在缓冲带 11 两端的牙合垫 13 ，牙合垫 13 的内侧面为斜坡面。当硬质工件 2 在被传送的过程中挤压缓冲带 11 的形变区时，由于形变区的弹性形变，缓冲带 11 的两端带动牙合垫 13 向中间靠拢，直至牙合垫 13 的内侧面与硬质工件 2 完全贴合。
图 3 和 4 所示的实施例中，为了减小硬质工件 2 与导向装置之间的摩擦，牙合垫 13 由防滑材料（例如防滑橡胶）制成。
图 3 和 4 所示的实施例中，由于牙合垫 13 可能没有较好的弹性，因此缓冲带 11 的形变区（即缓冲带 11 中部没有粘合牙合垫 13 的位置）的宽度与硬质工件 2 的厚度相当，尤其是形变区被挤压成平面时，其宽度与硬质工件 2 的厚度相当。
在图 4 所示的实施例中，为了减小牙合垫 13 的长度，牙合垫 13 的外表面也为斜坡面。
如图 5 所示，为本发明第一至第四实施例中任意一个提供的导向装置的另一个方向的示意图，其中，驱动设备 14 为传动轴，导轮 12 通过固定螺母 15 固定在传动轴上，缓冲带 11 套接在至少两个导轮 12 上。传动轴带动导轮 12 旋转，从而使缓冲带 11 向特定反向传动，对其夹持的硬质工件进行导向。
如图 6 所示，为本发明第一至第四实施例中任意一个提供的导向装置的另一个方向的示意图，其中，驱动设备 14 为链条，所述导轮 12 通过固定螺母 15 固定在链条上，缓冲带 11 分别粘合在每个导轮 12 上。链条向特定方向传动，带动固定在其上的导轮 12 向特定方向移动，对导轮 12 上夹持的硬质工件进行导向。
本发明可以应用在显示屏制造领域中，上文所述硬质工件即为制造显示屏的玻璃基板，当玻璃基板挤压缓冲带中部形变区时，就会带动缓冲带两顶端向中间靠拢，即上下两端的顶端会弯曲向玻璃基板的上下两面靠拢，而在缓冲带的上下两端增加了防滑材料（比如防滑橡胶等）的牙合垫，在缓冲带两端向玻璃基板两面靠拢时，两端的防滑牙合垫就会与玻璃基板表面进行平面接触，从而夹住玻璃基板一起向前运动，这样就减少了玻璃基板的相对移动，从而避免了玻璃基板在传送过程中发生偏移现象，以及避免了玻璃基板对导向轮的摩擦，避免了微粒的产生及导向轮的损坏，大大节约成本。
以上所揭露的仅为本发明数种较佳实施例而已，当然不能以此来限定本发明之权利范围，本领域普通技术人员可以理解实现上述实施例的全部或部分流程，并依本发明权利要求所作的等同变化，仍属于发明所涵盖的范围。

Claims (13)

1 、一种用于传送硬质工件的导向装置，其中，包括用于承载所述硬质工件的缓冲带、用于带动所述缓冲带移动的导轮、以及用于控制所述导轮转动的驱动设备，所述缓冲带由弹性材料制成。
2 、如权利要求 1 所述的导向装置，其中，所述缓冲带上设置有用于夹持所述硬质工件的夹持部。
3 、如权利要求 2 所述的导向装置，其中，所述夹持部包括缓冲带两端的牙状凸起，所述缓冲带的中部为形变区，当所述硬质工件在被传送的过程中挤压所述缓冲带的形变区时，所述缓冲带的两端向中间靠拢，直至所述缓冲带两端的牙状凸起的内侧面与所述硬质工件完全贴合。
4 、如权利要求 2 所述的导向装置，其中，所述夹持部包括分别粘合在缓冲带两端的牙合垫，所述缓冲带的中部为形变区，当所述硬质工件在被传送的过程中挤压所述缓冲带的形变区时，所述缓冲带的两端带动所述牙合垫向中间靠拢，直至所述牙合垫的内侧面与所述硬质工件完全贴合。
5 、如权利要求 4 所述的导向装置，其中，所述缓冲带的两端到中部分别为从高到低的斜坡，所述缓冲带的形变区由两个斜坡相交而成，牙合垫的内侧面为斜坡面。
6 、如权利要求 4 所述的导向装置，其中，所述缓冲带为平面，所述牙合垫的内侧面为水平面。
7 、如权利要求 4 所述的导向装置，其中，所述牙合垫由防滑材料制成。
8 、如权利要求 7 所述的导向装置，其中，所述缓冲带的形变区的宽度与所述硬质工件的厚度相当。
9 、如权利要求 1 所述的导向装置，其中，所述驱动设备为传动轴，所述导轮固定在所述传动轴上，所述缓冲带套接在至少两个导轮上。
10 、如权利要求 1 所述的导向装置，其中，所述驱动设备为链条，所述导轮固定在所述链条上，所述缓冲带分别粘合在单个导轮上。
11 、一种用于传送硬质工件的导向装置，其中，包括用于承载所述硬质工件的缓冲带、用于带动所述缓冲带移动的导轮、以及用于控制所述导轮转动的驱动设备，所述缓冲带上设置有用于夹持所述硬质工件的夹持部，所述缓冲带由弹性材料制成。
12 、如权利要求 11 所述的导向装置，其中，所述夹持部包括缓冲带两端的牙状凸起，所述缓冲带的中部为形变区，当所述硬质工件在被传送的过程中挤压所述缓冲带的形变区时，所述缓冲带的两端向中间靠拢，直至所述缓冲带两端的牙状凸起的内侧面与所述硬质工件完全贴合。
13、如权利要求 11 所述的导向装置，其中，所述夹持部包括分别粘合在缓冲带两端的牙合垫，所述缓冲带的中部为形变区，当所述硬质工件在被传送的过程中挤压所述缓冲带的形变区时，所述缓冲带的两端带动所述牙合垫向中间靠拢，直至所述牙合垫的内侧面与所述硬质工件完全贴合。
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