WO2017179240A1 - 吸着部材および液晶セル吸着回転装置 - Google Patents

吸着部材および液晶セル吸着回転装置 Download PDF

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Publication number
WO2017179240A1
WO2017179240A1 PCT/JP2016/086412 JP2016086412W WO2017179240A1 WO 2017179240 A1 WO2017179240 A1 WO 2017179240A1 JP 2016086412 W JP2016086412 W JP 2016086412W WO 2017179240 A1 WO2017179240 A1 WO 2017179240A1
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WO
WIPO (PCT)
Prior art keywords
liquid crystal
crystal cell
suction
adsorption
intake passage
Prior art date
Application number
PCT/JP2016/086412
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
公史 西郷
覚 竹田
拓矢 中園
和生 北田
Original Assignee
日東電工株式会社
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 日東電工株式会社 filed Critical 日東電工株式会社
Priority to JP2017516812A priority Critical patent/JP6201081B1/ja
Priority to KR1020177014573A priority patent/KR101871131B1/ko
Publication of WO2017179240A1 publication Critical patent/WO2017179240A1/ja

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J15/00—Gripping heads and other end effectors
    • B25J15/06—Gripping heads and other end effectors with vacuum or magnetic holding means
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
    • 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
    • B65G47/914—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers provided with drive systems incorporating rotary and rectilinear movements
    • 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
    • B65G47/918—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers with at least two picking-up heads
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • 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
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/02—Articles
    • B65G2201/0214—Articles of special size, shape or weigh
    • B65G2201/022—Flat
    • 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
    • B65G2249/00—Aspects relating to conveying systems for the manufacture of fragile sheets
    • B65G2249/04—Arrangements of vacuum systems or suction cups

Definitions

  • the present invention relates to an adsorption member and a liquid crystal cell adsorption rotation device including the adsorption member.
  • a liquid crystal cell conveyed in a liquid crystal cell processing line for example, an optical film laminating line for manufacturing a liquid crystal display device is rectangular and has a long side and a short side. And the liquid crystal cell is transported so that the liquid crystal cell is transported so that the long side of the liquid crystal cell is along the liquid crystal cell transport direction, and the liquid crystal cell is transported so that the long side of the liquid crystal cell is perpendicular to the liquid crystal cell transport direction.
  • TD method is
  • the liquid crystal cell adsorption rotating device first adsorbs the liquid crystal cell in the line, further moves it up and down, and then rotates it to switch the liquid crystal cell conveyance method.
  • Such a liquid crystal cell adsorption rotating device is already known.
  • the liquid crystal cell adsorption rotating device described in Patent Literature 1 and Patent Literature 2 adsorbs and rotates the liquid crystal cell from above.
  • the liquid crystal cell adsorption rotating device described in Patent Document 3 rotates while adsorbing and supporting the liquid crystal cell from below.
  • each of the conventional liquid crystal cell adsorption rotating devices includes a rectangular adsorption member having the same shape as the liquid crystal cell.
  • the size of the suction member in order for the suction member to support both the MD and TD transport methods, the size of the suction member must be increased so that the short side of the rectangular suction member is longer than the long side of the liquid crystal cell. If it does in this way, an adsorption member and a liquid crystal cell adsorption rotation device will become large, and the ratio of the useless area in an adsorption member will become large.
  • the rectangular suction member has only 180 degrees of symmetry, for example, in order to change from the MD system to the TD system, after turning the previous liquid crystal cell by 90 degrees, the next transported liquid crystal cell is swung. In order to achieve this, it is necessary to turn 90 degrees. Therefore, there is room for improving the efficiency of operation.
  • the present invention has been made in order to solve such a problem, and can cope with both the MD and TD transport systems, improves the effective work area ratio in the suction member, and has high operation efficiency.
  • An adsorption member is provided. Furthermore, this invention provides a liquid crystal cell adsorption
  • the adsorbing member provided in the first embodiment of the present invention is an adsorbing member for adsorbing the liquid crystal cell, and is provided with a plurality of adsorbing portions that come into contact with the surface of the liquid crystal cell.
  • the area where the suction portion is arranged is a “ten” shape.
  • the suction portion is made of an elastic material. This reduces the possibility of scratching the surface of the liquid crystal cell when adsorbing in contact with the surface of the liquid crystal cell.
  • the suction member in the first or second embodiment, is a suction pad whose shape in a horizontal plane is a “ten” shape, and the suction portion is the suction member. It is arranged on the lower surface of the pad.
  • the suction portion is arranged uniformly on the lower surface of the suction pad.
  • the suction member in the first or second embodiment, includes at least two suction arms extending along one direction, and a direction perpendicular to the one direction.
  • a suction frame composed of at least two suction arms extending along the horizontal axis of the suction frame, wherein the shape of the envelope in the horizontal plane of the suction frame is a “ten” shape, and the suction portion is disposed on the lower surface of the suction arm Is done.
  • the suction portion is uniformly arranged on the suction arm.
  • the suction member in the first or second aspect, has at least two suction arms extending along one direction, and a direction perpendicular to the one direction.
  • the suction frame is configured by at least two suction arms extending along the horizontal axis of the suction frame, and the shape of the envelope in the horizontal plane of the suction frame is a “ten” shape, and the suction portion is disposed on the upper surface of the suction arm. Is done.
  • the suction portion is uniformly arranged on the suction arm.
  • each of the above suction members it is possible to cope with both the MD and TD transport methods, and it is possible to improve the effective work area ratio in the suction member and prevent the apparatus from becoming large. Further, after turning 90 degrees, it is not necessary to turn 90 degrees in order to align with the next liquid crystal cell, so that the operation efficiency can be improved.
  • a liquid crystal cell adsorption rotating device capable of rotating while adsorbing the liquid crystal cell, wherein the liquid crystal cell adsorption rotating device is located above the liquid crystal cell conveyance path, and the adsorption portion is adsorbed.
  • the suction member according to any one of the first to sixth embodiments, which is disposed on the lower surface of the member and faces the liquid crystal cell toward the liquid crystal cell conveyance path, and a vacuum pump that generates a negative pressure for sucking the liquid crystal cell
  • An intake passage communicating the vacuum pump and the suction portion, a turning means for turning the suction member in a horizontal plane around the center of the suction member, and a vertical movement means for moving the suction member up and down
  • a liquid crystal cell adsorption rotating device is provided.
  • the liquid crystal cell adsorption rotating device of the ninth embodiment by using the adsorption member of the present invention, it is possible to cope with both MD and TD transport methods, and the effective work area ratio in the adsorption member is improved, Increase in size can be prevented. Further, after turning 90 degrees, it is not necessary to turn 90 degrees in order to align with the next liquid crystal cell, so that the operation efficiency can be improved.
  • the liquid crystal cell adsorption rotating device further comprises horizontal moving means for moving the adsorption member horizontally in the ninth embodiment. If it does in this way, since it can rotate, moving a liquid crystal cell, the conveyance efficiency in a line can be improved.
  • the liquid crystal cell adsorption / rotation device is the liquid crystal cell adsorption / rotation device according to the ninth or tenth aspect, wherein the intake passage is composed of a main intake passage and a plurality of sub intake passages.
  • the other end of the main intake passage is branched into a plurality of sub intake passages, each sub intake passage is connected to at least one suction portion, and the main intake passage and each sub intake passage are independently connected to each other. Valves that can be opened and closed are provided. If it does in this way, the actual adsorption
  • a liquid crystal cell adsorption rotating device capable of rotating in a state where the liquid crystal cell is adsorbed, wherein the liquid crystal cell adsorption rotating device is located below the liquid crystal cell conveyance path, and the adsorbing portion is adsorbed.
  • the adsorption member according to the seventh or eighth embodiment which is disposed on the upper surface of the member and faces the liquid crystal cell toward the liquid crystal cell conveyance path, a vacuum pump for generating a negative pressure for adsorbing the liquid crystal cell, and the vacuum pump
  • the suction member is moved up and down through a gap between a suction passage communicating with the suction portion, a turning means for turning the suction member in a horizontal plane around the center of the suction member, and a transport roller in the liquid crystal cell transport path.
  • a vertical movement means for moving the liquid crystal cell.
  • liquid crystal cell adsorption rotating device of the twelfth embodiment as in the ninth embodiment, it can be applied to both the MD and TD transport methods, and the effective work area ratio in the adsorption member is improved to prevent the device from becoming large. it can. Further, after turning 90 degrees, it is not necessary to turn 90 degrees in order to align with the next liquid crystal cell, so that the operation efficiency can be improved.
  • the liquid crystal cell adsorption rotating device is the liquid crystal cell adsorption rotation apparatus according to the twelfth aspect, further comprising horizontal moving means for moving the adsorption member horizontally along the gap between the conveyance rollers in the liquid crystal cell conveyance path. Prepare. If it does in this way, since it can rotate, moving a liquid crystal cell, the conveyance efficiency in a line can be improved like a 10th form.
  • the liquid crystal cell adsorption / rotation device is the liquid crystal cell adsorption / rotation device according to the twelfth aspect or the thirteenth aspect, wherein the intake passage is composed of a main intake passage and a plurality of sub intake passages. Communicating with the vacuum pump, the other end of the main intake passage is branched into a plurality of sub intake passages, each sub intake passage is in communication with at least one suction portion, and the main intake passage and each sub intake passage are independent of each other.
  • Each of the valves can be opened and closed. If it does in this way, the actual adsorption
  • FIG. 1 is a schematic structural view of an optical film laminating line provided with a liquid crystal cell adsorption rotating device according to the present invention.
  • FIG. 2 is a schematic structural view of the liquid crystal cell adsorption rotating device according to the first embodiment.
  • 3A and 3B are plan views of the suction pad according to the first embodiment, FIG. 3A shows a state in the MD transport method, and FIG. 3B shows a state in the TD transport method.
  • 4A to 4H are schematic views showing the suction rotation operation of the liquid crystal cell suction rotation device according to the first embodiment.
  • FIG. 5 is a structural schematic diagram of the liquid crystal cell adsorption rotating device according to the second embodiment.
  • FIG. 6A and 6B are schematic views illustrating the suction rotation movement operation of the liquid crystal cell suction rotation device according to the second embodiment.
  • 7A and 7B are schematic structural views of the liquid crystal cell adsorption rotating device according to the third embodiment.
  • 8A and 8B are plan views of the suction frame according to the third embodiment.
  • FIG. 8A shows a state in the MD transport method
  • FIG. 8B shows a state in the TD transport method.
  • FIG. 9 is a schematic diagram illustrating a gap between the conveyance rollers.
  • 10A to 10D are schematic views showing the suction rotation operation of the liquid crystal cell suction rotation device according to the third embodiment.
  • FIG. 11 is a schematic diagram of the structure of the liquid crystal cell adsorption rotating device according to the fourth embodiment.
  • 12A and 12B are schematic views illustrating the suction rotation movement operation of the liquid crystal cell suction rotation device according to the fourth embodiment.
  • the “liquid crystal cell” is not limited to a liquid crystal panel, but can be understood as an arbitrary substrate-like material for attaching an optical film during the production of a display panel.
  • the “optical film” is an arbitrary film that adjusts optical characteristics of a display panel such as a polarizing film.
  • upper”, “lower”, “left”, and “right” refer to “upper” when viewed from the upstream side to the downstream side along the liquid crystal cell conveyance path unless otherwise specified. ”,“ Down ”,“ left ”, and“ right ”directions.
  • an optical film bonding line (hereinafter also referred to as “line”) will be described as an example of a liquid crystal cell processing line provided with a liquid crystal cell adsorption rotating device according to the present invention.
  • the line includes a liquid crystal cell supply unit A, a liquid crystal cell transport path B, a first optical film transport path C, a second optical film transport path D, and a liquid crystal cell discharge section E.
  • the liquid crystal cell supply unit A, the liquid crystal cell transport path B, and the liquid crystal cell discharge unit E are sequentially connected.
  • the first optical film transport path C and the second optical film transport path D are respectively positioned above or below the liquid crystal cell transport path B.
  • the first optical film conveyance path C is disposed on the most upstream side of the first optical film conveyance path C, and includes a first optical film supply unit CF1 that provides a first optical film laminate, and a first optical film supply unit CF1.
  • a first optical film cutting unit CF2 that is disposed downstream and cuts the first optical film laminate supplied from the first optical film supply unit CF1 into a sheet material having a specified length, and a first optical film cutting unit CF2.
  • the first optical film laminating portion CF3 that is disposed downstream of the liquid crystal cell conveyance path B, and bonds the first optical film to one surface of the liquid crystal cell U, and disposed on the most downstream side of the first optical film conveyance path C, A first carrier film take-up portion CF4 for taking up the first carrier film after bonding is provided.
  • the second optical film conveyance path D is disposed on the most upstream side of the second optical film conveyance path D, and includes a second optical film supply unit DF1 that provides a second optical film laminate, and a second optical film supply unit DF1.
  • a second optical film cutting unit DF2 that is disposed downstream and cuts the second optical film laminate supplied from the second optical film supply unit DF1 into a sheet material having a specified length, and a second optical film cutting unit DF2
  • the second optical film laminating portion DF3 for laminating the second optical film on one surface of the liquid crystal cell U, and the most downstream side of the second optical film conveyance path D.
  • a second carrier film take-up part DF4 for taking up the second carrier film after bonding is provided.
  • the liquid crystal cell U enters the liquid crystal cell conveyance path B from the liquid crystal cell supply unit A.
  • a first liquid crystal that is positioned after the liquid crystal cell supply unit A in order on the liquid crystal cell conveyance path B from the liquid crystal cell supply unit A side, and if necessary, adsorbs and turns the liquid crystal cells U entering the liquid crystal cell conveyance path B
  • the cell suction swivel BR1 is positioned upstream of the first optical film laminating portion CF3 and the liquid crystal cell U is sucked and moved to the work start position of the first optical film laminating portion CF3 for alignment.
  • 1 liquid crystal cell adsorption moving device BT1 and a second liquid crystal cell adsorption located after the first optical film laminating portion CF3 and adsorbing and rotating the liquid crystal cell U that has passed through the first optical film laminating portion CF3 as necessary.
  • the liquid crystal cell U is adsorbed and moved to the work start position of the second optical film laminating part DF3 for alignment.
  • a second liquid crystal cell suction moving device BT2 to be moved, and a third liquid crystal cell U which is located downstream of the second optical film laminating portion DF3 and sucks and swivels the liquid crystal cell U which has passed through the second optical film laminating portion DF3 if necessary.
  • liquid crystal cell position sensors BP1, BP2 which detect whether or not the liquid crystal cell has reached the suction standby position, respectively, near the first, second and third liquid crystal cell suction swiveling devices BR1, BR2, BR3, BP3 is provided. Further, if necessary, a reversing means for reversing the upper and lower surfaces of the liquid crystal cell is provided at a position near the second liquid crystal cell adsorption swivel device BR2.
  • the liquid crystal cell U to which the optical film has been bonded is discharged from the liquid crystal cell transport path B to the liquid crystal cell discharge portion E and used in the downstream process.
  • the first, second and third liquid crystal cell adsorption swiveling devices BR1, BR2, BR3 are the liquid crystal cell adsorption swiveling devices according to the present invention.
  • the liquid crystal cell adsorption swivel device BR includes a suction pad BR-B10, a vacuum pump BR-P, an intake passage BR-G, a swivel means BR-R, and a vertical movement means BR-ST.
  • the liquid crystal cell adsorption turning device BR is located above the liquid crystal cell conveyance path B.
  • the suction pad BR-B10 is a member that comes into direct contact with the liquid crystal cell U when the liquid crystal cell suction turning device BR sucks the liquid crystal cell U.
  • a plurality of suction portions BR-B20 are arranged on the lower surface of the suction pad BR-B10, and the suction portions BR-B20 face the liquid crystal cell U toward the lower side on the liquid crystal cell transport path side.
  • the suction pad BR-B10 is located at an upper position having a certain altitude from the liquid crystal cell transport path B.
  • the adsorbing pad BR-B10 When adsorbing the liquid crystal cell U, the adsorbing pad BR-B10 is lowered by vertical movement means BR-ST described later to bring the adsorbing part BR-B20 into contact with the upper surface of the liquid crystal cell U in the liquid crystal cell transport path B.
  • the suction part BR-B20 is preferably a suction nozzle made of an elastic material such as rubber.
  • FIGS. 3A and 3B are plan views of the suction pad BR-B10 when viewed upward, and the broken lines indicate the liquid crystal cells U in the MD and TD transport states, respectively.
  • the suction pad BR-B10 has a “ten” shape.
  • the area where the suction part BR-B20 is arranged on the lower surface of the suction pad BR-B10 may be “ten” -shaped, but preferably, the suction part BR-B20 is uniformly arranged on the lower surface of the suction pad BR-B10.
  • any liquid crystal cell in the TD or MD transport system is arranged with the suction part BR-B20 in plan view. It is stored in the area.
  • both liquid crystal cells in the TD and MD transport systems are accommodated within the outline range of the suction pad BR-B10.
  • the present invention is not limited to this, and the center of the liquid crystal cell and the center of the suction pad BR-B10 may be aligned and sucked. That is, the liquid crystal cell may protrude from the arrangement area of the suction part BR-B20 and the outline range of the suction pad BR-B10.
  • the suction pad BR-B10 of this embodiment is compatible with both the TD and MD transport methods, and the proportion of wasted area is reduced compared to the conventional rectangular suction pad, thereby preventing an increase in the size of the apparatus. .
  • vacuum pump BR-P a known product may be used as long as it generates a negative pressure for adsorbing the liquid crystal cell U.
  • the intake passage BR-G communicates the vacuum pump BR-P and the suction portion BR-B20, and includes a main intake passage BR-G10 and a plurality of sub intake passages BR-G20.
  • One end of the main intake passage BR-G10 communicates with the vacuum pump BR-P, and the other end of the main intake passage BR-G10 is branched into a plurality of sub intake passages BR-G20, and each of the suction portions BR in the suction pad BR-B10 -Communicate with B20.
  • Each sub intake passage BR-G20 may be further branched into a plurality of capillary intake passages, and may be communicated with the suction part BR-B20 via the capillary intake passages.
  • a main valve BR-V10 is provided in the main intake passage BR-G10, and a sub valve BR-V20 is provided in each sub intake passage BR-G20.
  • the main valve BR-V10 and the sub valves BR-V20 can be opened and closed independently.
  • the suction pad BR-B10 is communicated with or disconnected from the vacuum pump BR-P as a whole.
  • the sub-valve BR-V20 is selectively opened and closed, so that the region where the suction force BR-B20 is actually generated in the suction pad BR-B10 is flexible. Can be adjusted.
  • the sub intake passages BR-G20 corresponding to the suction portions BR-B20 in the upper and lower protruding areas (that is, areas other than the liquid crystal cell U) on the suction pads BR-B10 are respectively Is blocked by the sub valve BR-V20, and no adsorption force is generated in this region.
  • the sub intake path BR-G20 corresponding to the suction part BR-B20 in the left and right protruding areas (that is, areas other than the liquid crystal cell U) of the suction pad BR-B10. Are blocked by the respective sub-valves BR-V20, and no adsorption force is generated in the region.
  • the opening and closing of the main valve BR-V10 and the sub valve BR-V20 may be performed manually or automatically by computer control.
  • the swivel means BR-R swivels the suction pad BR-B10 in a horizontal plane around the center O of the suction pad BR-B10 having a “10” shape.
  • known turning means such as a motor may be used. And there is no restriction
  • the vertical movement means BR-ST moves the suction pad BR-B10 in the vertical direction.
  • the vertical movement means BR-ST includes, for example, a guide sleeve BR-ST10 provided along the vertical direction and a slide bar BR-ST20 that can slide along the guide sleeve BR-ST10. Further, the vertical movement means BR-HT may have another known structure such as a robot arm.
  • the liquid crystal cell adsorption swivel device BR is an altitude sensor for inspecting the altitude of the adsorption pad BR-B10 with respect to the liquid crystal cell conveyance path B in order to control the distance that the adsorption pad BR-B10 moves up and down (see FIG. Abbreviation).
  • the suction pad BR-B10 can be smoothly turned and moved up and down smoothly, the connection relationship among the suction pad BR-B10, the turning means BR-R, and the vertical movement means BR-ST is particularly limited. There is no. As an example, as shown in FIG. 2, the suction pad BR-B10 and the slide bar BR-ST20 are integrally fixed, and the slide bar BR-ST20 moves up and down along the guide sleeve BR-ST10. The BR-ST10 is turned together with the slide bar BR-ST20 by the turning means BR-R.
  • the liquid crystal cell U is transported to a suction standby position on the liquid crystal cell transport path.
  • the liquid crystal cell position sensor provided in the line detects the transport of the liquid crystal cell U to the suction standby position
  • the rotation of the transport roller at the suction standby position is stopped and the liquid crystal cell U is stopped at the suction standby position.
  • the suction standby position is set so that the center of the liquid crystal cell of the MD or TD transport method is aligned with the center of the “ten” -shaped suction pad in plan view. .
  • the center of the liquid crystal cell is positioned at the center of the suction pad, and the center of the liquid crystal cell is not shifted before and after turning. If the center of the liquid crystal cell and the center of the suction pad are aligned, the liquid crystal cell may enter the outline of the suction pad or may partially protrude from the outline.
  • the vertical movement means BR-ST is driven to move the suction pad BR-B10 downward until the suction part BR-B20 contacts the upper surface of the liquid crystal cell U.
  • the vertical movement means BR-ST is driven to move the suction pad BR-B10 sucking the liquid crystal cell U upward to a predetermined altitude.
  • the liquid crystal cell U is turned 90 degrees together with the suction pad by turning means (not shown).
  • the liquid crystal cell originally in the MD transport state is changed to the TD transport state.
  • the vertical movement means BR-ST is driven to move the suction pad BR-B10 downward until the liquid crystal cell U contacts the transport roller in the liquid crystal cell transport path. If it is determined by a pressure sensor (not shown) that the liquid crystal cell U is supported by the transport roller, the main valve BR-V10 is closed and the suction of the suction portion BR-B20 is released.
  • the vertical movement means BR-ST is driven to raise the suction pad BR-B10 and move away from the upper surface of the liquid crystal cell U. Since the suction pad BR-B10 has a “ten” shape, at this time, in order to align with the next liquid crystal cell U, it is not necessary to further rotate the suction pad BR-B10 by 90 degrees.
  • the liquid crystal cell U shown in FIG. 4G is turned from the MD transport state to the TD transport state. Further, since the turning from the TD transport state to the MD transport state of the liquid crystal cell U shown in FIG. 4H is the same, the overlapping description is omitted.
  • the liquid crystal cell adsorption rotating device BR according to the second embodiment further includes a horizontal movement means BR-HT.
  • Other structures are the same as those of the first embodiment. Therefore, a duplicate description of these structures is omitted.
  • the horizontal moving means BR-HT is a member that moves the suction pad BR-B10 in the horizontal direction.
  • the horizontal movement means BR-HT includes, for example, a guide rail BR-HT10 provided along the horizontal direction and a slide portion BR-HT20 that can slide along the guide rail BR-HT10. Further, the horizontal moving means BR-HT may be another known structure, for example, a robot arm driven by an electric motor.
  • the suction pad BR-B10 can be moved in the horizontal direction, there is no particular limitation on the coupling relationship between the horizontal movement means BR-HT, the turning means BR-R, and the vertical movement means BR-ST. As shown in FIG. 5, the slide part BR-HT20 may be connected to the turning means BR-R.
  • the suction swivel movement operation according to the second embodiment differs from the first embodiment in the steps shown in FIGS. 4C to 4F.
  • liquid crystal cell adsorption swivel device BR first performs the operations shown in FIGS. 4A to 4B as in the first embodiment.
  • the suction pad BR-B10 on which the liquid crystal cell U is sucked is raised upward by the vertical movement means BR-ST.
  • the horizontal movement means BR-HT is driven by rotating the suction pad BR-B10 together with the liquid crystal cell U by the turning means BR-R to move the suction pad BR-B10 to the liquid crystal. Move horizontally to the target position along the cell transfer direction.
  • the liquid crystal cell U performs the turning movement and the horizontal movement at the same time, thereby simultaneously performing the MD / TD switching and the horizontal movement from the suction standby position to the target position.
  • the vertical movement means BR-ST moves the suction pad BR-B10 downward to place the liquid crystal cell U on the transport roller. After the liquid crystal cell U is placed on the transport roller, the suction of the suction pad BR-B10 is released.
  • the suction pad BR-B10 is lifted by the vertical movement means BR-ST to move away from the upper surface of the liquid crystal cell U, and the horizontal movement means BR-HT is driven to move the suction pad BR-B10 above the suction standby position. Wait for the next liquid crystal cell.
  • the liquid crystal cell adsorption rotating device BR according to the third embodiment is located below the liquid crystal cell conveyance path, and the adsorption member is directed from the bottom to the top. After the liquid crystal cell U is supported, suction is performed and the liquid crystal cell U is turned.
  • the suction member of this embodiment is not a suction pad, but two suction arms BR-H20 and two suction arms perpendicular to the suction arm BR-H20.
  • This is an adsorption frame BR-H10 composed of BR-H30.
  • the number of the suction arms BR-H20 and the suction arms BR-H30 is not limited to two and can be appropriately adjusted. Depending on the shape of the liquid crystal cell U, the number of the adsorption arms BR-H20 and the adsorption arms BR-H30 may be different.
  • the other configuration is the same as that of the first embodiment, and therefore, a duplicate description is omitted.
  • the shape of the envelope in the horizontal plane of the adsorption frame BR-H10 configured in this way is a “ten” shape.
  • the adsorption part BR-H40 is arranged on the upper surface of the adsorption arms BR-H20 and BR-H30 with the adsorption arms BR-H20 and BR-H30 facing upward, and faces the liquid crystal cell U on the liquid crystal cell conveyance path.
  • the adsorption part BR-H40 is uniformly arranged on the adsorption arms BR-H20 and BR-H30.
  • the suction part BR-H40 is a suction nozzle made of an elastic material such as rubber so as not to damage the surface of the liquid crystal cell U.
  • the transport rollers R in the liquid crystal cell transport path B have a gap between each other in the liquid crystal cell transport direction and the direction perpendicular to the liquid crystal cell transport direction.
  • the suction frame BR-H10 can be moved from below the liquid crystal cell transport path B to above the liquid crystal cell transport path B. That is, the state shown in FIG. 7A can be changed to the state shown in FIG. 7B.
  • the liquid crystal cell U is transported to a suction standby position on the liquid crystal cell transport path.
  • the liquid crystal cell position sensor provided in the line detects the transport of the liquid crystal cell U to the suction standby position
  • the rotation of the transport roller at the suction standby position is stopped and the liquid crystal cell U is stopped at the suction standby position.
  • the suction standby position is set so that the center of the liquid crystal cell U of the MD or TD transport system is aligned with the center of the “ten” -shaped envelope of the standby suction frame BR-H10. Is set to
  • the vertical movement means BR-ST is driven, and the suction frame BR-H10 is moved upward until the liquid crystal cell U is supported by the suction frame BR-H10 and separated from the transport roller to some extent upward. Move to. At this time, the suction part BR-H40 contacts the lower surface of the liquid crystal cell U.
  • the suction frame BR-H10 is turned 90 degrees together with the liquid crystal cell U by the turning means BR-R.
  • the liquid crystal cell U originally in the MD transport state is changed to the TD transport state.
  • the main valve BR-V10 is closed to release the adsorption of the adsorption part BR-H40.
  • the vertical movement means BR-ST is driven to move the suction frame BR-H10 downward to the start position shown in FIG. 10A.
  • the suction frame BR-H10 passes through the gap between the transport rollers and moves below the liquid crystal cell transport path, the liquid crystal cell U is supported by the transport rollers in the liquid crystal cell transport path.
  • suction frame BR-H10 Since the suction frame BR-H10 has a “ten” shape, it is not necessary to further rotate the suction frame BR-H10 by 90 degrees in order to align with the next liquid crystal cell U.
  • the liquid crystal cell is sucked and turned.
  • the liquid crystal cell adsorption rotating device BR according to the fourth embodiment further includes a horizontal movement means BR-HT.
  • Other structures are the same as those of the third embodiment. Therefore, a duplicate description of these structures is omitted.
  • the horizontal moving means BR-HT is a member that moves the suction frame BR-H10 in the horizontal direction.
  • the horizontal movement means BR-HT includes, for example, a guide rail BR-HT10 provided along the horizontal direction and a slide portion BR-HT20 that can slide along the guide rail BR-HT10. Further, the horizontal moving means BR-HT may be another known structure, for example, a robot arm driven by an electric motor.
  • suction frame BR-H10 can be moved in the horizontal direction, there is no particular limitation on the coupling relationship between the horizontal movement means BR-HT, the turning means BR-R, and the vertical movement means BR-ST. As shown in FIG. 11, the slide part BR-HT20 may be connected to the turning means BR-R.
  • liquid crystal cell adsorption swivel device BR first performs the operations shown in FIGS. 10A to 10B as in the third embodiment.
  • the suction frame BR-H10 is turned 90 degrees together with the liquid crystal cell U by the turning means BR-R. Then, the horizontal movement means BR-HT is driven to move the suction frame BR-H10 horizontally to the target position along the liquid crystal cell conveyance direction. That is, the liquid crystal cell U simultaneously performs the turning movement and the horizontal movement, thereby simultaneously performing the MD / TD switching and the horizontal movement from the suction standby position to the target position, as shown in FIG. 12B.
  • the slide bar BR-ST20 of the vertical movement means BR-ST passes through the gap. it can. Therefore, the suction frame BR-H10 can also move horizontally along the gap between the transport rollers.
  • the suction frame BR-H10 After moving below the liquid crystal cell conveyance path, the suction frame BR-H10 is then returned below the suction standby position by the horizontal movement means BR-HT.
  • the liquid crystal cell U performs the MD / TD switching and the horizontal movement from the suction standby position to the target position at the same time, so that the conveyance efficiency is increased and the productivity is improved.
  • the suction frames according to the third and fourth embodiments may be applied to the first and second embodiments. That is, the suction frame may be swung by sucking the liquid crystal cell U from above. At this time, the suction portion may be provided on the lower surface of the suction arm.
PCT/JP2016/086412 2016-04-14 2016-12-07 吸着部材および液晶セル吸着回転装置 WO2017179240A1 (ja)

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JP7012572B2 (ja) * 2017-04-26 2022-01-28 住友化学株式会社 搬送装置および積層体の製造方法
CN107902415A (zh) * 2017-12-13 2018-04-13 北京京诚瑞信长材工程技术有限公司 旋转运输设备
CN108974824B (zh) * 2018-06-12 2020-04-07 杭州海洋电脑制版印刷有限公司 计算机直接制版机的出料装置
CN108584370A (zh) * 2018-07-04 2018-09-28 福建省信捷机械有限公司 简单实用的瓦片调头机
CN113979124B (zh) * 2021-12-23 2022-05-13 润发住宅科技(常州)有限公司 一种smc薄片材料车间生产自动搬运设备

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TWI616289B (zh) 2018-03-01

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