WO2019052103A1 - 面板吸附装置 - Google Patents

面板吸附装置 Download PDF

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Publication number
WO2019052103A1
WO2019052103A1 PCT/CN2018/072632 CN2018072632W WO2019052103A1 WO 2019052103 A1 WO2019052103 A1 WO 2019052103A1 CN 2018072632 W CN2018072632 W CN 2018072632W WO 2019052103 A1 WO2019052103 A1 WO 2019052103A1
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WO
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Prior art keywords
adsorption
panel
adsorption device
units
wind box
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PCT/CN2018/072632
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English (en)
French (fr)
Inventor
袁朝煜
王超梁
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武汉华星光电半导体显示技术有限公司
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Publication of WO2019052103A1 publication Critical patent/WO2019052103A1/zh

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    • 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
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
    • B65G47/90—Devices for picking-up and depositing articles or materials
    • B65G47/91—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
    • 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
    • B65G49/061—Lifting, gripping, or carrying means, for one or more sheets forming independent means of transport, e.g. suction cups, transport frames
    • 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
    • B65G2207/40—Safety features of loads, equipment or persons

Definitions

  • the present application belongs to the field of panel technology, and in particular, to a panel adsorption device.
  • FIG. 1 it is a schematic diagram of a conventional adsorption device 01.
  • the adsorption device 01 includes a plurality of adsorption tubes 011 and an evacuation tube 012.
  • the air in the adsorption tube 011 is evacuated through the vacuum tube 012 to adsorb the adsorption device 01.
  • the adsorption device has the following technical problems: since the plurality of adsorption tubes 011 are designed to communicate with each other, when any one of the adsorption tubes 011 leaks, the air will flow into the other adsorption tubes, so that the entire adsorption device loses the adsorption capacity, and the panel is detached. Damage, seriously affecting production efficiency and the normal operation of equipment.
  • the purpose of the present application is to provide a panel adsorption device that solves the problem that the adsorption device in the prior art easily causes the panel to fall off, enhances the reliability of the device, and improves the production efficiency.
  • a panel adsorption device in a first aspect, includes a vacuum pumping assembly, a bracket, and an adsorption assembly disposed in the bracket, the adsorption assembly being coupled to and supported by the bracket,
  • the adsorption assembly includes a plurality of first adsorption units and a first conduit connected to each of the first adsorption units, a plurality of the first conduits being connected to the first windbox, the first windbox passing through the second conduit and the
  • the vacuum assembly is connected, and the first adsorption unit includes a control valve for adsorbing the panel and controlling air circulation of the first adsorption unit with the outside.
  • the first adsorption unit further includes a straw, the straw is used for adsorbing a panel, and one end of the control valve is connected to the straw, and the other end is connected to the first The pipe is connected, and the control valve is an automatic control mechanism for preventing outside air from entering the first pipe through the pipette.
  • control valve in conjunction with the first aspect and the first possible implementation of the first aspect, in a second possible implementation of the first aspect, includes a housing and a ball having a diameter slightly larger than the first conduit
  • the casing is respectively connected to the straw and the first pipe, and the ball is disposed in the casing and supported by a support frame disposed in the casing, between the ball and the casing Has a gap.
  • the support frame is a plurality of arrays of rods and fixed To the lower part of the housing, and form an upwardly lifted posture to hold the ball.
  • the adsorption assembly further includes a second wind box and a second adsorption unit, wherein the second wind box is connected to the first wind box or the second pipe through a third pipe.
  • a plurality of the second adsorption units are connected to the second bellows through the first duct, and the second adsorption unit is disposed outside the first adsorption unit.
  • the third duct is provided with a gas valve for controlling the second bellows And starting and stopping of the second adsorption unit connected to the second wind box.
  • the panel adsorption device further includes a fourth pipe, the second pipe is connected to the fourth pipe, and the fourth pipe is connected to the vacuuming component .
  • the suction pipe is provided with a suction cup at one end of the contact with the panel.
  • the ball is a hollow ball, and the ball is made of polyethylene.
  • the plurality of the first adsorption units are arranged on the bracket cloth.
  • the plurality of first adsorption units are evacuated by suctioning the vacuum assembly to adsorb the panel, and when there is a leak in the first adsorption unit, the control valve in the first adsorption unit controls the air circulation between the first adsorption unit and the outside. That is, when the air leaks, the outside air does not flow into the other first adsorption unit that is not leaking, so that the other first leaking unit that does not leak can continue to adsorb the panel without causing the panel to fall off and damage, thereby improving the equipment. Reliability and increased production efficiency.
  • FIG. 1 is a schematic structural view of an adsorption device in the background art
  • FIG. 2 is a schematic structural view of a panel adsorption device according to an embodiment of the present application.
  • Figure 3 is a bottom view of Figure 2, with parts and numerals omitted;
  • Figure 4 is a partially enlarged schematic view showing the adsorption unit of Figure 2;
  • Fig. 5 is a schematic view showing the state of use of the adsorption unit of Fig. 4.
  • the panel adsorbed by the panel adsorption device provided by the present embodiment may be an OLED panel, a liquid crystal panel, a steel plate, or the like.
  • the panel adsorption device of the present embodiment may be used as long as it can be grasped by an adsorption method.
  • a preferred embodiment of the present application provides a panel adsorption device including a vacuum evacuation assembly 300 including a bracket 10 and an adsorption assembly disposed in the bracket 10 (not shown)
  • the adsorption component is connected to the bracket 10 and supported by the bracket 10.
  • the bracket 10 is a truss structure, has a hollow area inside, and has a connection mechanism for fixing the adsorption component inside, and the adsorption component is connected to the bracket through the connection mechanism.
  • the connecting mechanism may be a buckle, a snap ring or the like fixed on the bracket, so that the adsorption assembly is supported by the bracket 10, and when the panel is adsorbed, the adsorption assembly tightly adsorbs the panel, and is driven by the movement of the bracket 10.
  • the transfer of the adsorption component and the panel realizes the adsorption and transfer of the panel.
  • the adsorption assembly includes a plurality of first adsorption units 100 and a plurality of first conduits 102, and the labels of the other first conduits 102 are omitted in FIG. 2, which are all the same as those shown by the first conduits 102 of the second adsorption unit 150,
  • Each of the first adsorption units 100 is connected to a first pipe 102, and the plurality of first adsorption units 100 are respectively connected to the first wind box 131 through a plurality of first pipes 102, and the first wind box 131 passes through the second pipe 132 and evacuates the vacuum.
  • the assembly 300 is coupled, and the first adsorption unit 100 includes a control valve (shown at 106 in Fig. 4) for controlling the flow of air between the adsorption unit 100 and the outside during the process of absorbing the panel.
  • Each of the plurality of first adsorption units 100 is connected to the first duct 102, and the plurality of first ducts 102 are connected to the first wind box 131.
  • the first wind box 131 is connected to the vacuuming assembly 300 through the second duct 132.
  • the vacuuming pipe 301 is connected to the vacuuming pipe 301, and then connected to the vacuuming assembly 300.
  • the vacuuming gas of the vacuuming assembly 300 is uniformly mixed in the first windbox 131 and then distributed through the first pipe 102.
  • the first adsorption unit 100 enables the plurality of first adsorption units 100 to have the same adsorption capacity, and can quickly adsorb the panel 30, and at the same time, when the vacuum is released, the plurality of first adsorption units 100 can simultaneously discharge the vacuum and quickly fall off. Panel 30.
  • the control valve of the first adsorption unit 100 can control the air circulation. When there is a leak in the first adsorption unit 100, the gas circulation is turned off in time, so that the other first adsorption units 100 can also have the adsorption capacity and enhance the reliability of the device. Increase productivity.
  • the adsorption unit 100 further includes a suction pipe 101 for sucking the panel 30, and one end of the control valve (shown as 106 in FIG. 4) is connected to the suction pipe 101, and the other end is connected with The first conduit 102 is connected, and the control valve is an automatic control mechanism for preventing outside air from entering the first conduit 102 through the suction pipe 101.
  • the straw 101 is in direct contact with the panel, and the straw is circular.
  • the straw 101 may be square.
  • the contact surface of the straw 101 with the panel 30 may be a flat surface or a curved surface.
  • a curved straw 101 may be designed to fit the shape of the 3D panel.
  • the material of the straw 101 may be a plastic material such as polyethylene or other non-metal materials.
  • the control valve can be electronically controlled or automatically controlled by aerodynamics.
  • the suction tube 101 is in contact with the panel 30 at one end and is provided with a suction cup (not shown). The suction cup functions to better fit the panel, and the suction cup can adopt the existing common suction cup.
  • the control valve 103 includes a housing 106 and a ball 104 having a diameter slightly larger than the first pipe.
  • the housing is respectively connected to the suction pipe 101 and the first pipe 102, and the ball 104 is disposed at The housing is supported by a support frame 105 provided in the housing, and a gap is formed between the ball 104 and the housing.
  • the support frame 105 is a rod arranged in an array.
  • the support frame 105 is three support rods arranged in an array, and the adjacent support rods have an angle of 120°, and for example, the support frame 105 is arranged in an array of four.
  • the supporting rods and the adjacent supporting rods have an angle of 90°. It can be understood that other arrangements are also possible, and details are not described herein.
  • the support frame 105 is secured to a lower portion within the housing 106 and has an upwardly-engaged posture to hold the ball 104.
  • the upper end of the casing 10 is connected to the first pipe 102
  • the lower end of the casing is connected to the suction pipe 101
  • the ball 104 is a hollow ball.
  • the material of the ball may be a polymer material such as polyethylene.
  • the size of the housing 106 should be greater than the diameter of the first conduit 102 such that the ball 104 can be in intimate contact with the first conduit 102.
  • the air inside, the air in the suction pipe 101 and the outside air which partially enters from the gap between the contact faces of the suction pipe 101 and the panel 30 are drawn out through the gap between the ball 104 and the casing 106 until the suction pipe completely adsorbs the panel 30 and is first
  • the pipe 102, the casing 106 and the suction pipe 101 are all in a vacuum state, and the adsorption process is completed.
  • the amount of air flowing through the housing 106 and acting on the ball 104 is small, and the ball 104 remains relatively stationary within the housing 106 under the action of its own weight.
  • the air enters the adsorption unit 100 from the contact surface of the suction tube 101 and the panel 30, and a large amount of air impacts the ball 104 at a certain speed.
  • the ball 104 receives a force of the air greater than its own gravity.
  • the first pipe 102 is floated up and blocked, and a small amount of air entering the first pipe 102 is taken out by the vacuuming assembly. Since the ball blocks the first pipe 102, the first pipe 102 is in a vacuum state, and the outside air fills the suction pipe 101 and the casing. In the lower portion of the 106, due to the difference in external pressure, the ball 104 will always remain in the state of blocking the first pipe 102 until the vacuum assembly 300 discharges the vacuum. Therefore, the air leakage of one of the adsorption units 100 does not affect the vacuum state of the other adsorption unit 100. .
  • the gravity of the ball is G
  • the intake air velocity v of the air leakage of the suction pipe 101 and the panel 30 is assumed to be ⁇
  • the inner radius of the hollow sphere is r
  • the outer radius R is the air.
  • the adsorption assembly further includes a second wind box 111.
  • the second wind box 111 is connected to the first wind box 131 or the second tube 132 through the third duct 112, and the plurality of second adsorption units 150 pass the first
  • a pipe 102 is connected to the second wind box 111, and a second adsorption unit 150 to which the second wind box 111 is connected is disposed outside the first adsorption unit 100 to which the first wind box 131 is connected.
  • the third pipe 112 may be provided with a gas valve 113 for controlling the start and stop of the second wind box 111 and the second adsorption unit 150 connected to the second wind box 112.
  • the number of the first adsorption units 100 is different for the panel 30 of different sizes.
  • the size of the panel 30 is small, only the plurality of first adsorption units 100 connected to the first wind box 131 need to work.
  • the plurality of second adsorption units 150 connected to the second wind box 111 may not be activated.
  • the size of the panel 30 is large, the pressure of the first adsorption unit 100 to evacuate is large, and the second adsorption unit 150 is activated.
  • the unit 150 adsorbs the outer area of the panel 30 to reduce the pressure of the first adsorption unit 100 and enhance system reliability.
  • the working process is as follows.
  • the third pipe 112 is connected to the first wind box 131 or the second pipe 132.
  • the vacuuming assembly 300 When the vacuuming assembly 300 is evacuated, the plurality of first adsorption units 100 connected to the first wind box 131 are adsorbed.
  • the panel 30, and the plurality of second adsorption units 150 connected to the second wind box 111 are located outside the panel, are not adsorbed to the panel 30, and the air pushing ball 104 blocks the control of the plurality of second adsorption units 150 connected to the second wind box 111.
  • the valve keeps the inside of the second wind box 111 and the third duct 112 in a vacuum state, and does not affect the ability of the first adsorption unit 100 connected to the first wind box 131 to adsorb the panel 30.
  • the vacuum unit 300 In order to maintain the vacuum state inside the second wind box 111 and the third duct 112, the vacuum unit 300 is required to continuously perform work on the second wind box 111 and the third duct 112, and the power consumption is large.
  • a gas valve 113 is disposed on the third pipe 112, and when the second adsorption unit 150 connected to the second windbox 111 is not required to adsorb the panel 30, the gas valve 113 is closed to make the vacuuming assembly The 300 does not need to work on the second wind box 111 and the third duct 112, thereby reducing energy consumption.
  • the fourth duct 201 is disposed.
  • the second conduit 132 is coupled to the fourth conduit 201 and the fourth conduit 201 is coupled to the evacuation assembly 300.
  • the fourth pipe 201 is supported by the pipe rack 20, and the vacuuming assembly 300 may also be disposed on the pipe rack 20, and the pipe rack 20 is mounted on the bracket 10.
  • the inside of the bracket 10 is the first adsorption unit 100
  • the second adsorption unit 150 is located on both sides of the first adsorption unit 100 , and some components and labels are omitted in the figure.
  • the first adsorption units 100 are arranged in an array on the support 10.
  • the pattern of the first adsorption unit array may be square or circular, and it may be understood that other shapes may be used.

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  • Mechanical Engineering (AREA)
  • Separation Of Gases By Adsorption (AREA)
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Abstract

一种面板吸附装置，包括抽放真空组件（300）、支架（10）及设于支架（10）内的吸附组件，吸附组件与支架（10）连接并由支架（10）支撑，通过抽放真空组件（300）对多个第一吸附单元（100）进行抽真空以吸附面板，当其中有第一吸附单元（100）发生漏气时，由第一吸附单元（100）中的控制阀控制第一吸附单元（100）与外界的空气流通，即漏气时外界空气不会流通到其他未漏气的第一吸附单元（100）中，使其他未漏气的第一吸附单元（100）还可继续吸附面板，不会造成面板脱落受损。该吸附装置提高了设备的可靠性，提高了生产效率。

Description

面板吸附装置
本申请要求于2017年9月12日提交中国专利局、申请号为201710819434.8、发明名称为“面板吸附装置”的中国专利申请的优先权，上述在先申请的内容以引入的方式并入本文本中。
技术领域
本申请属于面板技术领域，尤其涉及一种面板吸附装置。
背景技术
为了提高生产效率，生产过程中的诸多流程都采用自动化生产，面板在某些制程过程中需要采用吸附装置来完成多次转移，吸附的效果直接影响生产效率和产品品质。请参照图1，是一种现有的吸附装置01的示意图，吸附装置01包括多个吸附管011和抽真空管012，通过抽真空管012抽真空吸附管011内的空气，使吸附装置01吸附上面板02。此吸附装置存在以下技术问题：由于多个吸附管011采用相互连通设计，当任何其中一个吸附管011发生漏气，空气会流通到其他吸附管中，使整个吸附装置失去吸附能力，面板脱落受损，严重影响生产效率和设备的正常运行。
发明内容
本申请的目的是提供一种面板吸附装置，解决现有技术中的吸附装置容易造成面板脱落受损的难题，增强装置的可靠性，提高生产效率。
为实现本申请的目的，本申请提供了如下的技术方案：
第一方面，本申请提供的一种面板吸附装置，包括抽放真空组件、支架及设于所述支架内的吸附组件，所述吸附组件与所述支架连接并由所述支架支撑，所述吸附组件包括多个第一吸附单元及与每个所述第一吸附单元连接的第一管道，多个所述第一管道连接至第一风箱，所述第一风箱通过第二管道与所述抽放真空组件连接，所述第一吸附单元包括控制阀，用于吸附面板并控制所述 第一吸附单元与外界的空气流通。
在第一方面的第一种可能的实现方式中，所述第一吸附单元还包括吸管，所述吸管用于吸附面板，所述控制阀一端与所述吸管连接，另一端与所述第一管道连接，所述控制阀为自动控制机构，用于阻止外界空气通过所述吸管进入所述第一管道。
结合第一方面及第一方面的第一种可能的实现方式，在第一方面的第二种可能的实现方式中，所述控制阀包括壳体和直径比所述第一管道稍大的球，所述壳体分别与所述吸管及所述第一管道连接，所述球设于所述壳体内并由设于所述壳体内的支撑架支撑，所述球与所述壳体之间具有空隙。
结合第一方面及第一方面的第一种至第二种可能的实现方式，在第一方面的第三种可能的实现方式中，所述支撑架为多个阵列排列的杆件，并固定至所述壳体内下部，并形成向上托举的姿态，以托住球。
在第一方面的第四种可能的实现方式中，所述吸附组件还包括第二风箱和第二吸附单元，所述第二风箱通过第三管道与所述第一风箱或第二管道连接，多个所述第二吸附单元通过所述第一管道与所述第二风箱连接，所述第二吸附单元布置在所述第一吸附单元外侧。
结合第一方面及第一方面的第四种可能的实现方式，在第一方面的第五种可能的实现方式中，所述第三管道上设有气阀，用于控制所述第二风箱及与所述第二风箱连接的所述第二吸附单元的启停。
在第一方面的第六种可能的实现方式中，所述面板吸附装置还包括第四管道，所述第二管道与所述第四管道连接，所述第四管道与所述抽真空组件连接。
结合第一方面及第一方面的第一种可能的实现方式，在第一方面的第七种可能的实现方式中，所述吸管与所述面板接触一端设有吸盘。
结合第一方面及第一方面的第二种可能的实现方式，在第一方面的第八种可能的实现方式中，所述球为空心球，所述球的材质为聚乙烯。
结合第一方面及第一方面的第一种至第八种可能的实现方式，在第一方面的第九种可能的实现方式中，多个所述第一吸附单元在所述支架上阵列排布。
本申请的有益效果：
通过抽放真空组件对多个第一吸附单元进行抽真空以吸附面板，当其中有 第一吸附单元发生漏气时，由第一吸附单元中的控制阀控制第一吸附单元与外界的空气流通，即漏气时外界空气不会流通到其他未漏气的第一吸附单元中，使其他未漏气的第一吸附单元还可继续吸附面板，不会造成面板脱落受损，提高了设备的可靠性，提高了生产效率。
附图说明
为了更清楚地说明本申请实施方式或现有技术中的技术方案，下面将对实施方式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申请的一些实施方式，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是背景技术中的吸附装置结构示意图；
图2是本申请一种实施方式的面板吸附装置的结构示意图；
图3是图2的仰视图，图中省略了部分元件及标号；
图4是图2中的吸附单元的局部放大结构示意图；
图5是图4的吸附单元的使用状态示意图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本实施方式提供的面板吸附装置所吸附的面板可以为OLED面板、液晶面板、钢板等，只要可用吸附的方法进行抓取的，均可采用本实施方式的面板吸附装置。
请参阅图2和图3，本申请的一种较佳实施方式提供一种面板吸附装置，包括抽放真空组件300，面板吸附装置包括支架10及设于支架10内的吸附组件(图中未标号)，吸附组件与支架10连接并由支架10支撑，具体的，支架10为桁架式结构，内部具有中空区域，且内部具有固定吸附组件的连接机构，吸附组件通过该连接机构连接在支架的内部中空区域内，该连接机构可以为固 定在支架上的卡扣、卡环等，以使吸附组件由支架10进行支撑，面板吸附时，吸附组件紧紧吸附住面板，由支架10的移动带动吸附组件及面板的转移，实现面板的吸附和转移。
吸附组件包括多个第一吸附单元100和多个第一管道102，图2中省略了其他的第一管道102的标号，其均与第二吸附单元150的第一管道102所示的相同，每个第一吸附单元100均连接一个第一管道102，多个第一吸附单元100分别通过多个第一管道102连通至第一风箱131，第一风箱131通过第二管道132与抽放真空组件300连接，第一吸附单元100包括控制阀(见图4中106所示)，控制阀用于在吸附面板的过程中控制吸附单元100与外界的空气流通。
多个第一吸附单元100各自与第一管道102连接，多个第一管道102均连接至第一风箱131，第一风箱131通过第二管道132连接至抽真空组件300，当然，一般还包括抽真空管道301，第二管道132连接抽真空管道301，再连接至抽真空组件300，使抽真空组件300的抽放真空气体通过第一风箱131内混合均匀后再通过第一管道102分配至多个第一吸附单元100，使多个第一吸附单元100具有相同的吸附能力，能快速吸附面板30，同时在放真空时，也能使多个第一吸附单元100同时放掉真空，快速脱落面板30。第一吸附单元100的控制阀可以控制空气流通，当其中有第一吸附单元100发生漏气时，及时关闭气体流通，使其他的第一吸附单元100还可以具有吸附能力，增强设备可靠性，提高生产效率。
一种实施方式中，请参阅图4和图5，吸附单元100还包括吸管101，吸管101用于吸附面板30，控制阀(见图4中106所示)一端与吸管101连接，另一端与第一管道102连接，控制阀为自动控制机构，用于阻止外界空气通过吸管101进入第一管道102。
本实施方式中，吸管101与面板直接接触，吸管为圆形，当然，在其他实施方式中，吸管101也可以为方形。吸管101与面板30的接触面可以为平面，也可以为曲面，例如对于3D面板，可以设计曲面吸管101以适配3D面板的形状。吸管101的材质可以为塑料材质，例如聚乙烯，也可以为其他的非金属材质。控制阀可以采用电子控制结构，也可以采用空气动力学自动控制。一种实施方式中，吸管101与面板30接触一端设有吸盘(未图示)，吸盘的作用是 与面板更好的贴合，吸盘可以采用现有的常见的吸盘。
一种实施方式中，请参考图4和图5，控制阀103包括壳体106和直径比第一管道稍大的球104，壳体分别与吸管101及第一管道102连接，球104设于壳体内并由设于壳体内的支撑架105支撑，球104与壳体之间具有空隙。
本实施方式中，支撑架105为阵列排列的杆件，例如，支撑架105为阵列排列的三个支撑杆，相邻支撑杆夹角为120°，再例如支撑架105为阵列排列的4个支撑杆，相邻支撑杆夹角为90°，可以理解的，其他的布置形式也是可以的，在此不再赘述。支撑架105固定至壳体106内的下部，并具有向上托举的姿态，以托住球104。
本实施方式中，壳体10上端与第一管道102联通，壳体下端与吸管101联通，球104为空心球，球的材质可以为聚乙烯等高分子材料。壳体106的尺寸应大于第一管道102的直径，以使球104可以与第一管道102紧密接触，当吸管101与面板30接触上并启动抽真空时，抽真空组件300抽取第一管道102内的空气，吸管101内的空气及部分从吸管101与面板30的接触面的间隙中进入的外界空气通过球104与壳体106之间的间隙被抽出，直至吸管完全吸附面板30并且第一管道102，壳体106及吸管101内均为真空状态，完成吸附过程。在抽真空的过程中，流过壳体106并作用于球104空气量很少，球104在其自身重力的作用下，保持在壳体106内相对静止。当其中一个吸附单元100漏气时，空气从吸管101与面板30接触面四周大量进入吸附单元100内，大量空气以一定速度冲击球104，球104受到的空气的推力大于其自身的重力，球上浮并堵住第一管道102，少量进入第一管道102的空气被抽真空组件抽掉，由于球堵住第一管道102，第一管道102为真空状态，而外界空气充满吸管101及壳体106下部，由于外界压力差，球104将始终保持堵住第一管道102的状态，直至抽真空组件300放掉真空，因此，其中一个吸附单元100漏气不会影响其他吸附单元100的真空状态。
本实施方式中，设球的重力为G，假设吸管101与面板30接触的漏气处进气速度v，内部气体密度为ρ，空心球内半径为r，外半径R，则此时从空气动力学的角度分析球体受力F1：
F1＝1/(4ρv^2)·πR^2
由于外界空气的不断进入，球104所受到的浮力F2不断增大：
F2＝4/3πR^2·ρg
当F1+F2>G时，球104上升并最终有效的堵住控制阀上部。
一种实施方式中，请参阅图2，吸附组件还包括第二风箱111，第二风箱111通过第三管道112与第一风箱131或第二管道132连接，多个第二吸附单元150通过第一管道102与第二风箱111连接，第二风箱111所连接的第二吸附单元150布置在第一风箱131所连接的第一吸附单元100外侧。第三管道112上可以设有气阀113，用于控制第二风箱111及与第二风箱112连接的第二吸附单元150的启停。
本实施方式中，对应于不同尺寸的面板30，需要第一吸附单元100的数量是不同的，面板30尺寸较小时，只需要与第一风箱131连接的多个第一吸附单元100工作即可，此时第二风箱111连接的多个第二吸附单元150可不启动，当面板30尺寸较大时，第一吸附单元100抽真空的压力较大，则启动第二吸附单元150，第二吸附单元150吸附面板30靠外侧的区域，以减小第一吸附单元100的压力，增强系统可靠性。以面板较小时为例说明工作过程如下，第三管道112与第一风箱131或第二管道132连接，抽真空组件300抽真空时，与第一风箱131连接的多个第一吸附单元100吸附面板30，而与第二风箱111连接的多个第二吸附单元150位于面板外侧，没有吸附到面板30，空气推动球104堵住多个与第二风箱111连接的第二吸附单元150的控制阀，使第二风箱111及第三管道112内部均保持真空状态，不影响与第一风箱131连接的第一吸附单元100吸附面板30的能力。由于为了使第二风箱111及第三管道112内部保持真空状态，需要抽真空组件300持续的对第二风箱111及第三管道112做功，功耗较大。为了降低抽真空组件300的功耗，在第三管道112上设置气阀113，当不需要与第二风箱111连接的第二吸附单元150吸附面板30时，关闭气阀113，使抽真空组件300不需对第二风箱111及第三管道112做功，降低了能耗。
一种实施方式中，请参阅图2，由于第二管道132连接第一风箱131和/或第二风箱111，为降低第二管道132的复杂结构设计，提高可靠性，设置第四管道201，第二管道132与第四管道201连接，第四管道201与抽真空组件 300连接。
本实施方式中，第四管道201通过管道架20支撑，抽真空组件300也可以设置在管道架20上，管道架20安装在支架10上。
一种实施方式中，请参阅图3，图中位于支架10内侧的为第一吸附单元100，第二吸附单元150位于第一吸附单元100两侧，图中省略了部分元件及标号，多个第一吸附单元100在支架10上阵列排布。
本实施方式中，第一吸附单元阵列排布的型式可以为方形或圆形，可以理解的也可以为其他形状。
以上所揭露的仅为本申请一种较佳实施方式而已，当然不能以此来限定本申请之权利范围，本领域普通技术人员可以理解实现上述实施方式的全部或部分流程，并依本申请权利要求所作的等同变化，仍属于申请所涵盖的范围。

Claims (18)

  1. 一种面板吸附装置，其中，包括抽放真空组件、支架及设于所述支架内的吸附组件，所述吸附组件与所述支架连接并由所述支架支撑，所述吸附组件包括多个第一吸附单元及与每个所述第一吸附单元连接的第一管道，多个所述第一管道连接至第一风箱，所述第一风箱通过第二管道与所述抽放真空组件连接，所述第一吸附单元包括控制阀，用于吸附面板并控制所述第一吸附单元与外界的空气流通。
  2. 如权利要求1所述的面板吸附装置，其中，所述第一吸附单元还包括吸管，所述吸管用于吸附面板，所述控制阀一端与所述吸管连接，另一端与所述第一管道连接，所述控制阀为自动控制机构，用于阻止外界空气通过所述吸管进入所述第一管道。
  3. 如权利要求2所述的面板吸附装置，其中，所述控制阀包括壳体和直径比所述第一管道稍大的球，所述壳体分别与所述吸管及所述第一管道连接，所述球设于所述壳体内并由设于所述壳体内的支撑架支撑，所述球与所述壳体之间具有空隙。
  4. 如权利要求3所述的面板吸附装置，其中，所述支撑架为多个阵列排列的杆件，并固定至所述壳体内下部，并形成向上托举的姿态，以托住球。
  5. 如权利要求1所述的面板吸附装置，其中，所述吸附组件还包括第二风箱和第二吸附单元，所述第二风箱通过第三管道与所述第一风箱或第二管道连接，多个所述第二吸附单元通过所述第一管道与所述第二风箱连接，所述第二吸附单元布置在所述第一吸附单元外侧。
  6. 如权利要求5所述面板吸附装置，其中，所述第三管道上设有气阀，用于控制所述第二风箱及与所述第二风箱连接的所述第二吸附单元的启停。
  7. 如权利要求5所述面板吸附装置，其中，所述面板吸附装置还包括第四管道，所述第二管道与所述第四管道连接，所述第四管道与所述抽真空组件连接。
  8. 如权利要求2所述面板吸附装置，其中，所述吸管与所述面板接触一端设有吸盘。
  9. 如权利要求3所述的面板吸附装置，其中，所述球为空心球，所述球的材质为聚乙烯。
  10. 如权利要求1所述的面板吸附装置，其中，多个所述第一吸附单元在所述支架上阵列排布。
  11. 如权利要求2所述的面板吸附装置，其中，多个所述第一吸附单元在所述支架上阵列排布。
  12. 如权利要求3所述的面板吸附装置，其中，多个所述第一吸附单元在所述支架上阵列排布。
  13. 如权利要求4所述的面板吸附装置，其中，多个所述第一吸附单元在所述支架上阵列排布。
  14. 如权利要求5所述的面板吸附装置，其中，多个所述第一吸附单元在所述支架上阵列排布。
  15. 如权利要求6所述的面板吸附装置，其中，多个所述第一吸附单元在所述支架上阵列排布。
  16. 如权利要求7所述的面板吸附装置，其中，多个所述第一吸附单元在所述支架上阵列排布。
  17. 如权利要求7所述的面板吸附装置，其中，多个所述第一吸附单元在所述支架上阵列排布。
  18. 如权利要求8所述的面板吸附装置，其中，多个所述第一吸附单元在所述支架上阵列排布。
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