CN100587558C - Method and device for separating fender apron - Google Patents

Method and device for separating fender apron Download PDF

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Publication number
CN100587558C
CN100587558C CN200610087782A CN200610087782A CN100587558C CN 100587558 C CN100587558 C CN 100587558C CN 200610087782 A CN200610087782 A CN 200610087782A CN 200610087782 A CN200610087782 A CN 200610087782A CN 100587558 C CN100587558 C CN 100587558C
Authority
CN
China
Prior art keywords
conveying belt
fender
glass substrate
delivery site
box
Prior art date
Application number
CN200610087782A
Other languages
Chinese (zh)
Other versions
CN1885113A (en
Inventor
西村直树
神野优
Original Assignee
日本电气硝子株式会社
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
Priority to JP2005181108 priority Critical
Priority to JP2005181108A priority patent/JP4692924B2/en
Application filed by 日本电气硝子株式会社 filed Critical 日本电气硝子株式会社
Publication of CN1885113A publication Critical patent/CN1885113A/en
Application granted granted Critical
Publication of CN100587558C publication Critical patent/CN100587558C/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00Separating articles from piles
    • B65H3/08Separating articles from piles using pneumatic force
    • B65H3/12Suction bands, belts, or tables moving relatively to the pile
    • B65H3/124Suction bands or belts
    • B65H3/126Suction bands or belts separating from the bottom of pile
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G49/00Conveying systems characterised by their application for specified purposes not otherwise provided for
    • B65G49/05Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles
    • B65G49/06Conveying 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
    • B65G49/063Transporting devices for sheet glass
    • B65G49/064Transporting devices for sheet glass in a horizontal position
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/02Articles
    • B65G2201/0214Articles of special size, shape or weigh
    • B65G2201/022Flat
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00Means using fluid
    • B65H2406/30Suction means
    • B65H2406/32Suction belts

Abstract

One protecting plate separating apparatus is provided, which is used to separate protecting plate from the conveyed glass plate before reaching the processing location. One conveying belt is configured in the upstream of the processing location to convey the glass plate borne on the protecting plate to the processing location, the conveying direction of the conveying belt is changed from horizontal direction to downward direction in the downstream of the processing location, and in at least the conveying direction changing location, negative pressure suction force is generated in the conveyingbelt. The protecting plate separating apparatus has proper separation of the protecting plate, saving in operating time, high operation accuracy, no damage to the glass plate and no contamination tothe glass plate.

Description

Fender separation method and fender tripping device
Technical field
The present invention relates to the separation method and the device thereof of fender, specifically, relate to the technology that glass substrate that be transferred separates fender and is removed from the state that is carried on fender two is following that is used for.
Background technology
As everyone knows, during the making of the face glass of using at the various image displies of LCD, plasma display, electroluminescent display, field-emitter display etc., adopt the method for producing many face glasss from a glass substrate (roughing glass plate).And present situation in recent years is, along with the maximization of image disply etc., also promoted the big plateization of the above-mentioned glass substrate made by glass manufacturer etc.
These glass substrates are in the final stage of manufacturing process, be shifted into Working position (station), at this Working position, implement each limit (specifically being the end face on each limit) of the glass substrate of the size that is cut off into rectangle and regulation is carried out the processing of the regulation of chamfer machining etc.Implement the operation of this first being processed, particularly, the operation of carrying out like that as shown below is a convention.
Promptly; shown in Fig. 7 (a); position of readiness at cutting action etc.; on pallet (pallet) P; many glass substrates (raw sheet) 20 are in mode with vertical placement by the state of bale packing, and as fender close paper 21 between many glass substrates 20 separately each other, close paper 21 by intervenient this; not directly contact between the glass substrate 20, thus prevent damage or adhere to foreign matter.In addition,, also can replace sometimes and close paper 21, and use other fender such as polyethylene board or foamed resin plate as fender.
Then, take out a glass substrate 20 and an opening and closing paper 21 together from bundling body as described above, shown in Fig. 7 (b), a glass substrate 20 and an opening and closing paper 21 are placed on conveying mechanism or the operator's console according to closing the mode of paper 21 pads below glass substrate 20.After this, keep making glass substrate 20 be carried on the state that closes on the paper 21, shown in Fig. 7 (c), by groove mechanism 22 after engraving line S on the surface of glass substrate 20, shown in Fig. 7 (d), along the peripheral part 20a of line S glass-cutting substrate 20.And then after this operation, shown in Fig. 7 (e),, only glass substrate 20 is carried on for example tape transport C1 of Working position W1 of the end face processing of implementing to comprise chamfering etc. from 20 fens clutch paper 21 of glass substrate and after being removed.
At this moment, for separating and remove and close paper 21 and glass substrate 20 is displaced to operation on the Working position W1 from glass substrate 20 in the manner described above, in the prior art, shown in the approximate vertical view of Fig. 8 (a) and (b), operator M1 extracts out and to close paper 21, and other operator M2 only lifts glass substrate 20, and makes this glass substrate 20 do the proper level rotation to wait and carry out contraposition, afterwards, be displaced to Working position (tape transport etc.).Promptly, shown in the side view of Fig. 9, want only to lift under the situation of glass substrate 20 at operator M, can cause since static etc. former thereby make the situation about lifting under the state of paper 21 attached to the back side of glass substrate 20 of closing therefore also need to be used to stop this to close the operation of adhering to of paper 21 in addition.
Use the situation of automation equipment as the manual operation that replaces such operator, according to following patent documentation 1, following method is disclosed: from plummer with the posture of horizontal placement alternately laminated glass substrate and close the state of paper, by absorption layer absorption keep the glass substrate of the superiors and make glass substrate and thereunder fluid-tight engagement to close paper mobile in the horizontal together, only make afterwards and close paper and drop on second glass substrate, push open in the horizontal with the press section of anchor clamps by cleaning and to close paper, from second glass substrate, will close the paper removing.
In addition, according to following patent documentation 2 and patent documentation 3, following method is disclosed: from pallet with the posture of vertical placement alternately laminated glass substrate and close the state of paper, when keeping glass substrate by absorption layer absorption, adsorb maintenance from the edge portion of closing paper that the lower end or the side of this glass substrate exposes by being independent of adsorption element that described absorption layer moves, and the concerted action by these absorption layers and adsorption element makes and closes paper and break away from from glass substrate.
Patent documentation 1: Japan opens flat 5-85730 communique in fact
Patent documentation 2: Japan opens flat 6-14155 communique in fact
Patent documentation 3: Japan opens flat 6-27765 communique in fact
But in recent years, the glass substrate of using with LCD is representative, the big plateization of glass substrate becomes particularly remarkable, maximizes so must need to close paper, owing to this reason thereupon, in above-mentioned method in the past, suitably carry out glass substrate with close paper separate aspect bring obstacle.
Promptly, by in above-mentioned method in the past, carrying out method of operating by the operator, shown in Fig. 8 (c), the operator will close paper with hand and extract and lift the glass substrate of big plate (for example Yi Bian length be about 1500mm more than) out and become extremely difficult or in fact become impossible, thereby cause operation stagnation and then throughput rate to reduce significantly.Therefore, actual conditions are to have become to adopt such method again.
In addition, according to above-mentioned patent documentation 1 disclosed method, need make: keep the glass substrate of the superiors and the action of moving in the horizontal and the paper that closes that will drop on second glass substrate is cooperated at the action sequence of laterally pushing open with the press section of anchor clamps well by cleaning by absorption layer absorption, thereby exist required for this reason control or device become complicated misgivings, on the running time, produce the misgivings of wasting.And, in the method, have following misgivings: make close paper and drop on second glass substrate after, will close paper by cleaning in the horizontal with the press section of anchor clamps and push open, this action is along with the area that closes paper increases and the difficulty that becomes, and the probability of happening of operating mistake uprises.
And, even adopt above-mentioned patent documentation 2,3 disclosed methods, owing to be difficult to make: keep glass substrate and the action that moves it and keep closing the edge portion of paper and make from glass substrate and to close paper and separates mobile action and suitably cooperate by adsorption element absorption by absorption layer absorption, so, have the misgivings of complicated, the waste of running time that brings control or device, the pilosity of operating mistake etc. with above-mentioned same.
And, even adopt each disclosed method in the above-mentioned patent documentation 1~3, owing to keep the face (significant surface) of glass substrate, so also can produce owing to making the face of glass substrate impaired or adhere to the root problem of foreign matter on the whole with contacting of absorption layer by absorption layer absorption.And, the method for above-mentioned any one and since the face that all has a glass substrate with close the misgivings that paper etc. contacts and slides, so because of this two direct slip, or sneak into sliding part because of foreign matter, thereby, make the face of glass substrate impaired or adhere to foreign matter on the whole with above-mentioned the same.Thereby, owing to these reasons, make that the quality as the glass substrate of product reduces, and then the yield rate variation of product.
Summary of the invention
The present invention is in view of the above problems and the invention that proposes; its problem is the technology that provides following; promptly on the basis of the generation of waste that suppresses the running time as much as possible or operating mistake; make the injury-free or non-cohesive on the whole foreign matter of face of glass substrate, the fender that closes paper etc. is suitably separated from glass substrate with such state.
The method of making in order to solve above-mentioned technical task of the present invention; make under the state that is being carried on the fender and the operation of the glass substrate that is transferred before being displaced to the conveying mechanism of Working position in downstream; fender is separated from this glass substrate, it is characterized in that
The conveying belt that changes to vertical or roughly vertical direction down from horizontal direction in the end in the downstream of throughput direction; at least at its throughput direction variation portion; glass substrate is carried to the direction of the conveying mechanism that can be displaced to Working position; simultaneously for the fender under this glass substrate; horizontal direction delivery site at described conveying belt; the negative pressure suction force that utilization comes from the inner space of the box-shaped body that is configured in this below, position adsorbs maintenance; afterwards; throughput direction variation portion at described conveying belt; utilization comes from this position and is rolled up the negative pressure suction force of hollow bulb of the rotation roller of extension and adsorb maintenance; then; in the vertical of described conveying belt or roughly vertical direction delivery site down; the negative pressure suction force of inner space that utilization comes from the box-shaped body of the inboard that is configured in this position adsorbs maintenance
Form a plurality of through holes on described conveying belt, and the upper wall portion of the box-shaped body below the horizontal direction delivery site of described conveying belt forms the slit of a plurality of strips side by side, the slit of described a plurality of strips is along throughput direction,
Surrounding wall portion at described rotation roller radially forms a plurality of all grooves, and it is all entirely that described all grooves spread all over circumferencial direction, and forms the through hole that is communicated with described hollow bulb respectively in the underside wall portion of described each all groove,
In the wall portion of the side relative of the box-shaped body of the inboard of the vertical of described conveying belt or roughly vertical down direction delivery site with described conveying belt, form the slit of a plurality of strips side by side, the slit of described a plurality of strips is along throughput direction,
At the arrangement pitches of the Width of the through hole on the described conveying belt, at the arrangement pitches of all grooves of the arrangement pitches of the slit of the box-shaped body of described horizontal direction delivery site, described rotation roller and under all identical state of the arrangement pitches of the described vertical or roughly vertical slit of the box-shaped body of direction delivery site down
Arrive through the direction variation portion from the horizontal direction delivery site at described conveying belt on the zone of vertical or roughly vertical direction delivery site down; described fender being carried out continuous adsorption on one side keeps; on one side this fender is separated from described glass substrate, this glass substrate is displaced on the conveying mechanism of horizontal direction delivery site near the Working position that disposes with described conveying belt.
According to such method; glass substrate makes under the fender pad state in its lower section that closes paper, polyethylene board or foamed resin plate etc.; be carried on the conveying belt and carry in the horizontal direction, and this conveying belt is in the end in downstream, its throughput direction is changed to down direction from horizontal direction.And; glass substrate and fender are by throughput direction variation portion (being changed to the position of direction down from horizontal direction) time; conveying belt is under the situation of the influence that does not bring negative pressure suction force to glass substrate and glass substrate is carried to the direction of the Working position that can be displaced to the downstream; relative therewith, the fender of pad below glass substrate is adsorbed maintenance by negative pressure suction force and turns to downwards from horizontal direction.Thus, the throughput direction of glass substrate and the throughput direction of fender dissimilate, and its result can and remove fender from the glass substrate separation.And, when such glass substrate separates fender, can not produce slip at the two, can avoid adhering to of the damage that causes owing to slip or foreign matter with respect to the glass substrate face.And; since the separating action of such fender with carry out simultaneously to Working position dislocation glass substrate; so can eliminate the waste of running time; and because the conversion of the throughput direction of fender is to be undertaken by negative pressure suction force by the throughput direction variation portion at conveying belt, so can suppress the generation of operating mistake as much as possible.
In this case, also can be described conveying belt from the horizontal direction delivery site to the throughput direction variation portion, adsorb by negative pressure suction force and to keep described fender.
So; the direction variation portion that passes through conveying belt in the fender and sagging towards the plate portion of below; even because of the former of its deadweight thereby make fender to fall; but because the plate portion of other of fender keeping by negative pressure suction force absorption in the horizontal direction delivery site of conveying belt, so stoped falling of described such fender.Thus, can stop more reliably because of fender fall the glass substrate that causes and the slip between the fender and cause thus to the damage of glass substrate and adhering to of foreign matter.
In addition, also can be described conveying belt from the throughput direction variation portion to direction delivery site down, adsorb by negative pressure suction force and keep described fender.
So; the direction variation portion that passes through conveying belt in the fender and towards the plate portion of below; because the following direction delivery site at conveying belt is kept by negative pressure suction force absorption more reliably; so fender do not fall and and glass substrate between under the state that do not have to slide (speed of preferred fender is identical with the transporting velocity of glass substrate) suitably carry downwards, successfully separate fender from glass substrate.
On the other hand; the device of making in order to solve above-mentioned technical task of the present invention, the glass substrate that is transferred is displaced to the operation before the conveying mechanism of Working position in downstream making under the state that is being carried on the fender, and fender is separated from this glass substrate; it is characterized in that
Constitute in the following manner:
Have and make the glass substrate that is under the state that carries on the described fender be displaced to conveying belt on the conveying mechanism of described Working position; and the throughput direction of this conveying belt is changed to vertical or roughly vertical direction down in the end in its downstream from horizontal direction; and below the horizontal direction delivery site of described conveying belt, dispose box-shaped body; the inner space of this box-shaped body forms the air attraction portion that is used for the horizontal direction delivery site of described conveying belt is produced negative pressure suction force; throughput direction variation portion at described conveying belt disposes the rotation roller that volume is hung the hollow form of described conveying belt; the hollow bulb of this rotation roller forms the air attraction portion that is used for the throughput direction variation portion of described conveying belt is produced negative pressure suction force; dispose box-shaped body at the vertical of described conveying belt or the roughly vertical inboard of direction delivery site down; the inner space of this box-shaped body forms the air attraction portion that is used for the following direction delivery site of described conveying belt is produced negative pressure suction force
Form a plurality of through holes on described conveying belt, and the upper wall portion of the box-shaped body below the horizontal direction delivery site of described conveying belt forms the slit of a plurality of strips side by side, the slit of described a plurality of strips is along throughput direction,
Surrounding wall portion at described rotation roller radially forms a plurality of all grooves, and it is all entirely that described all grooves spread all over circumferencial direction, and forms the through hole that is communicated with described hollow bulb respectively in the underside wall portion of described each all groove,
In the wall portion of the side relative of the box-shaped body of the inboard of the vertical of described conveying belt or roughly vertical down direction delivery site with described conveying belt, form the slit of a plurality of strips side by side, the slit of described a plurality of strips is along throughput direction,
The arrangement pitches of the Width of the through hole on the described conveying belt, at the arrangement pitches of all grooves of the arrangement pitches of the slit of the box-shaped body of described horizontal direction delivery site, described rotation roller and all identical at the arrangement pitches of the described vertical or roughly vertical slit of the box-shaped body of direction delivery site down
And; the horizontal direction delivery site of described conveying belt and the conveying mechanism of described Working position are near configuration; separate described fender by described conveying belt from described glass substrate on one side, Yi Bian described glass substrate is displaced on the conveying mechanism of described Working position.
According to such device; glass substrate; similarly make under the fender pad state in its lower section with stating; be carried on the conveying belt that the positive upstream side at Working position is equipped with and carry in the horizontal direction; and this conveying belt is in the end in downstream, its throughput direction is changed to following direction from horizontal direction when, at its throughput direction variation portion; on this conveying belt, produce negative pressure suction force, thereby keep fender in this position absorption.Thus; at glass substrate and fender during by the throughput direction variation portion; conveying belt is under the situation of the influence that does not bring negative pressure suction force to glass substrate and glass substrate is carried to the direction of the Working position that can be displaced to the downstream; relative therewith, the fender of pad below glass substrate turns to from the horizontal direction downward direction by negative pressure suction force.Thus, the throughput direction of glass substrate and the throughput direction of fender dissimilate, and can and remove fender from the glass substrate separation.The action effect that such action brings is the same with described effect owing to carrying out, so omit its explanation herein.
In this case, can constitute in the following manner: at described throughput direction variation portion, configure volumes is hung the rotation roller of the hollow form of described conveying belt, and the hollow bulb of this rotation roller is formed for producing at the throughput direction variation portion of described conveying belt the air attraction portion of negative pressure suction force.
So, the rotation roller is wound with conveying belt and the throughput direction of this conveying belt is changed from the horizontal direction downward direction, thereby can effectively utilize such rotation roller to be used as producing an inscape of the negative pressure generation mechanism of negative pressure suction force at conveying belt, thereby suitably dual-purpose the rotation roller, realized the reduction of components number and utilized the miniaturization and the simplification of dwindling and then realized device in space.
In this structure, preferably constitute in the following manner: on described conveying belt, form a plurality of through holes, and the surrounding wall portion at described rotation roller forms a plurality of all grooves, underside wall portion of each all groove at this, form the through hole be communicated with described hollow bulb respectively, and the axial arrangement pitches of all grooves on the arrangement pitches of the Width of the through hole on the described conveying belt and the described rotation roller is identical.
So, through hole from conveying belt, by in all grooves of rotation roller and should week the through hole that forms of the underside wall portion of groove, attract air at the hollow bulb (air attraction portion) of rotation roller, thereby produce negative pressure suction force at the outer peripheral face of the throughput direction variation portion of conveying belt.At this moment; because the Width arrangement pitches of the through hole on the conveying belt and the axial array spacing of rotating all grooves on the roller are configured to identical; so can be under the state that does not produce waste and interrupt; carry out vacuum suction (air attraction) from the through hole of conveying belt; at the throughput direction variation portion, from conveying belt fender efficient well and continuously being acted on suitable negative pressure suction force becomes possibility.
In addition, can constitute in the following manner: dispose box-shaped body below the horizontal direction delivery site of described conveying belt, the inner space of this box-shaped body is formed for producing in the horizontal direction delivery site of described conveying belt the air attraction portion of negative pressure suction force.
So, the horizontal direction delivery site by the air attraction portion of box-shaped body at conveying belt produces negative pressure suction force, and by this negative pressure suction force, the fender of pad below glass substrate is adsorbed the horizontal direction delivery site that remains on conveying belt.Thus; the direction variation portion that passes through conveying belt in the fender and sagging towards the plate portion of below; even because of the former of its deadweight thereby make fender to fall; but keeping, so stoped falling of described such fender because the plate portion of other of fender is adsorbed in the horizontal direction delivery site of conveying belt as mentioned above.Its result, the structure about corresponding therewith can obtain the action effect identical with the content of having stated.
And, in this structure, preferably constitute in the following manner: on described conveying belt, form a plurality of through holes, and the upper wall portion of the box-shaped body below the horizontal direction delivery site of described conveying belt forms the slit of a plurality of strips side by side, the slit of described a plurality of strips is along throughput direction, and the arrangement pitches of the Width of the slit on the arrangement pitches of the Width of the through hole on the described conveying belt and the described box-shaped body is identical.
So,,, attract air in the inner space of this box-shaped body (air attraction portion), thereby produce negative pressure suction force at the upper surface of the horizontal direction delivery site of conveying belt by the slit that forms in the upper wall portion of box-shaped body from the through hole of conveying belt.At this moment; because the Width arrangement pitches of the slit on the Width arrangement pitches of the through hole on the conveying belt and the box-shaped body is configured to identical; so can be under the state that does not produce waste and interrupt; carry out vacuum suction (air attraction) from the through hole of conveying belt; from the horizontal direction delivery site of conveying belt, fender efficient well and is continuously acted on suitable negative pressure suction force becomes possibility.
In addition, can constitute in the following manner: at the interior side configuration box-shaped body of the following direction delivery site of described conveying belt, the inner space of this box-shaped body is formed for producing in the following direction delivery site of described conveying belt the air attraction portion of negative pressure suction force.
So, the following direction delivery site by the air attraction portion of box-shaped body at conveying belt produces negative pressure suction force, and by this negative pressure suction force, the fender of pad below glass substrate is adsorbed the following direction delivery site that remains on conveying belt.Thus; the direction variation portion that passes through conveying belt in the fender and towards the plate portion of below; owing to remained on the lateral surface of this conveying belt more reliably by negative pressure suction force absorption in the following direction delivery site of conveying belt; so fender do not fall and and glass substrate between under the state that do not have to slide (speed of preferred fender is identical with the transporting velocity of glass substrate) suitably carry downwards, successfully separate fender from glass substrate.
In addition, in this structure, preferably constitute in the following manner: on described conveying belt, form a plurality of through holes, and in the wall portion of the vertical of described conveying belt or the roughly vertical side relative of the box-shaped body of the inboard of direction delivery site down with described conveying belt, form the slit of a plurality of strips side by side, the slit of described a plurality of strips is along throughput direction, and the arrangement pitches of the Width of the slit on the arrangement pitches of the Width of the through hole on the described conveying belt and the described box-shaped body is identical.
So, through hole from conveying belt, slit by the side walls portion relative with described conveying belt at box-shaped body forms attracts air in the inner space of this box-shaped body (air attraction portion), thereby produces negative pressure suction force at the lateral surface of the following direction delivery site of conveying belt.At this moment; because the Width arrangement pitches of the slit on the Width arrangement pitches of the through hole on the conveying belt and the box-shaped body is configured to identical; so can be under the state that does not produce waste and interrupt; carry out vacuum suction (air attraction) from the through hole of conveying belt; from the following direction delivery site of conveying belt, fender efficient well and is continuously acted on suitable negative pressure suction force becomes possibility.
In having the device of above structure, the transporting velocity of preferred described conveying belt is variable.
So, corresponding to these two kinds of requirements of reliabilization that the absorption of the rapid and fender of the conveying of glass substrate keeps, can suitably change the transporting velocity of conveying belt, be favourable aspect the raising of improvement that realizes operating efficiency and throughput rate.
In this case; preferably constitute in the following manner: at the conveying mechanism of described Working position outfit from described conveying belt dislocation glass substrate; and before described fender passes through the throughput direction variation portion of described conveying belt; drive conveying belt with the speed lower than described conveying mechanism; after stipulated time after it passes through, with described conveying mechanism of identical speed drive and conveying belt.
So; during till fender passes through the throughput direction variation portion of conveying belt; be fender leading section the throughput direction variation portion turn to downwards and till becoming the state that can separate fender reliably from glass substrate during; conveying belt is carried fender and glass substrate with low velocity; and after becoming this state, conveying belt is carried fender and glass substrate with at a high speed (identical with the speed of the conveying mechanism of Working position).Thus, can avoid making a series of line production required time elongated unreasonably, can stop the production efficiency variation effectively because of the operation that separates fender from glass substrate.
(effect of invention)
According to above-described invention; at glass substrate and pad fender in its lower section when the throughput direction variation portion; conveying belt makes glass substrate carry to the direction of the Working position that can be displaced to the downstream; relative therewith; because fender turns to downwards from horizontal direction by negative pressure suction force, so the throughput direction of glass substrate is different with the throughput direction of fender; its result can and remove fender from the glass substrate separation.And, owing to, can not produce slip, so can avoid adhering to of the damage that causes owing to slip or foreign matter with respect to the glass substrate face at the two when such glass substrate separates fender.And; since the separating action of such fender with carry out simultaneously to Working position dislocation glass substrate; so can eliminate the waste of running time; and because being throughput direction variation portion at conveying belt, the conversion of the throughput direction of fender undertaken, so can suppress the generation of operating mistake as much as possible by negative pressure suction force.
Description of drawings
Fig. 1 be the expression embodiments of the present invention the fender tripping device with and the approximate vertical view of peripheral structure;
Fig. 2 be the described fender tripping device of expression with and the summary side elevation of peripheral structure;
Fig. 3 is the monomer stereographic map of described fender tripping device;
Fig. 4 is that the inscape of the described fender tripping device of expression is the parts decomposition arrangement stereographic map of two box-shaped bodies and rotation roller;
Fig. 5 is the approximate vertical view of the user mode of the described fender tripping device of expression;
Fig. 6 is the summary side elevation of the user mode of the described fender tripping device of expression;
Fig. 7 (a)~(f) is respectively a sketch of representing the separation order of fender in the past in order;
Fig. 8 (a)~(c) is respectively an approximate vertical view of representing the separation order of fender in the past;
Fig. 9 is a summary side elevation of representing problem points in the past.
Among the figure:
1-fender tripping device; 2-is with (conveying belt); 2a-horizontal direction delivery site; 2b-throughput direction variation portion; Direction delivery site under the 2c-; 3-rotates roller; 3b-week groove; The underside wall portion of 3c-week groove; 6-first box-shaped body; 6a-upper wall portion; 7-second box-shaped body; Portion faces the wall and meditates outside the 7a-; The through hole of 9-band; The through hole of 10-rotation roller; 11-first slit (slit); 12-second slit; 13-closes paper (fender); The 14-glass substrate; The W-Working position.
Embodiment
Below, with reference to accompanying drawing embodiments of the present invention are described.
At first, based on approximate vertical view shown in Figure 1 and summary side elevation shown in Figure 2, the fender tripping device of embodiments of the present invention is described.This fender tripping device 1 is being configured on the Working position W and is carrying the positive upstream side of the conveying mechanism C of glass substrate in arrow a direction, has to be with 2 as the non junction shape of conveying belt.This structure with 2 is: it is made of (surface element are preferably by rubber) such as resin or rubber, and is hung on the rotation roller 3,4,5 that amounts to three by volume, is driven on the arrow A direction.In addition, above-mentioned Working position W is a Working position of glass substrate being implemented the end face processing of chamfer machining etc.
Describedly be with 2 to have horizontal direction delivery site 2a, throughput direction variation portion 2b and following direction delivery site 2c, and the horizontal direction delivery site 2a in the middle of these are positioned at the position with the roughly the same height of conveying mechanism C of Working position W, and closely dispose the two 2a and C, make glass substrate to be displaced to conveying mechanism C from horizontal direction delivery site 2a.Therefore, the throughput direction with 2 in the travel direction conversion of the end in downstream, and becomes towards the below after side carries out the transition to horizontal direction downstream from upstream side.And, can change transporting velocity by illustrating outer speed control mechanism with 2.
Be wound with described with 2 three rotation rollers 3,4,5 in, the rotation roller 3 that is positioned at throughput direction variation portion 2b is hollow form, and hollow bulb that should rotation roller (below, be called the hollow rotating roller) 3 is formed in the air attraction portion that produces negative pressure suction force with 2 throughput direction variation portion 2b.And, below with 2 horizontal direction delivery site 2a, closely dispose first box-shaped body 6, and the inner space of this first box-shaped body 6 is formed for producing at the upper surface with 2 horizontal direction delivery site 2a the air attraction portion of negative pressure suction force.And the interior side with 2 following direction delivery site 2c closely disposes second box-shaped body 7, and the inner space of this second box-shaped body 7 is formed for producing at the outside surface with 2 following direction delivery site 2c the air attraction portion of negative pressure suction force.And the inner space of the hollow bulb of hollow rotating roller 3, first box-shaped body 6 and the inner space of second box-shaped body 7 are communicated to vacuum and produce the source via attracting flexible pipe 8.
If be described in detail, as Fig. 3 and structure shown in Figure 4 be, be with on 2, spread all over a plurality of through holes 9 of full week formation, produce negative pressure suction forces by these through holes 9.That is, on the surrounding wall portion 3a of hollow rotating roller 3, form a plurality of all groove 3b, and be formed with a plurality of through holes 10 that are communicated with hollow bulb respectively at the 3c of underside wall portion of these all groove 3b.And, a plurality of all groove 3b that form on this hollow rotating roller 3 axially on arrangement pitches, the arrangement pitches that is configured on the Width with a plurality of through holes 9 of formation on 2 is identical.
And, on the 6a of upper wall portion of first box-shaped body 6, be formed with a plurality of first slits 11 side by side, described first slit 11 is the strip along throughput direction, and be communicated with the inner space, in addition, also be formed with a plurality of second slits 12 side by side on face the wall and meditate the 7a of portion in the outside of second box-shaped body 7, described second slit 12 is the strip along throughput direction, and is communicated with the inner space.And, all be configured at arrangement pitches on the Width of a plurality of first slits 11 that form on first box-shaped body 6 and the arrangement pitches on the Width of a plurality of second slits 12 that second box-shaped body 7 two forms, with arrangement pitches on the Width of a plurality of through holes 9 that form on 2 so that with a plurality of all groove 3b that form on the hollow rotating roller 3 axially on arrangement pitches identical.Therefore, first slit 11 and all groove 3b and second slit 12 are configured in one respectively and list, and promptly their integral body is configured in a plurality of listing, and their are disposed along the motion track of the through hole 9 of a plurality of row that form on 2.
According to the fender tripping device 1 with above structure (with reference to Fig. 5 and Fig. 6), at first, finish the back and be in and be carried on the glass substrate 14 that closes the state on the paper 13 at groove operation and cutting action, be displaced to the posture of level and be with on 2.Manual operation by the operator or move by automatically carrying out this at conveying mechanism with 2 more upstream side configuration.And after this dislocation finished, the front end that closes paper 13 and glass substrate 14 was positioned at the upstream side with 2 horizontal direction delivery site 2a.From such state, close paper 13 and glass substrate 14 and be with 2 sent downstream sides, herein, from with a plurality of through holes 9 on 2 the horizontal direction delivery site 2a, by a plurality of first slits 11 that form on the 6a of upper wall portion of first box-shaped body 6, portion space (air attraction portion) attracts air within it always.Thus, the close paper 13 of pad below glass substrate 14 remains on because of negative pressure suction force is adsorbed and is with on 2, under this state, carries glass substrate 14 by being with 2 along horizontal direction.
After this, when the front end that closes paper 13 arrives downstream end with 2 horizontal direction delivery site 2a, also be from a plurality of through holes 9 on 2 the throughput direction variation portion 2b herein, by in a plurality of all groove 3b of hollow rotating roller 3 with and the through hole 10 of the 3c of underside wall portion, empty therein always portion (air attraction portion) attracts air.Thus, the leading section that closes paper 13 remains on the throughput direction variation portion 2b with 2 because of negative pressure suction force is adsorbed, under this state, though the direction of closing paper 13 towards the below conversion, glass substrate 14 continues along continuous straight runs and carries.
And, when the front end that closes paper 13 has passed through with 2 throughput direction variation portion 2b, also be from a plurality of through holes 9 on 2 the following direction delivery site 2c herein, by a plurality of second slits 12 that form on facing the wall and meditating the 7a of portion in the outside of second box-shaped body 7, portion space (air attraction portion) guides air within it always.Thus, as Fig. 5 and shown in Figure 6, the leading section that closes paper 13 remains on the following direction delivery site 2c with 2 because of negative pressure suction force is adsorbed, under this state towards below carry and to close paper 13, to this, glass substrate 14 is transferred by the horizontal direction delivery site 2a with 2, and is displaced to the conveying mechanism C of Working position W.Then, passed through stage in the rearward end of closing paper 13 with 2 following direction delivery site 2c, close paper 13 owing to deadweight falls and be accommodated in collection box etc., glass substrate 14 is displaced to conveying mechanism C and the action by this conveying mechanism C continues to be transferred fully simultaneously.Thus, closing paper 13 separates and is removed from glass substrate 14 fully.
At this moment, about with 2 transporting velocity, the leading section that closes paper 13 by with 2 throughput direction variation portion 2b and by under direction delivery site 2c absorption till keeping during in be low speed, to this, after this become high speed and become the speed identical with the transporting velocity of conveying mechanism C.And, glass substrate 14 be transferred at full speed that the C of mechanism carries during, wait the processing of carrying out chamfer machining etc. by the abrasive tool that is provided with in its two side.
In addition, above-mentioned embodiment closes paper 13 in use and is used as under the situation of fender and has used the present invention, but closes paper in replacement and use the situation of polyethylene board or foamed resin plate etc., can use the present invention too.
(industrial applicibility)
Baffle separation method of the present invention and separator can effectively utilize in: from liquid crystal The various images of display, plasma display, electroluminescent display, field-emitter display etc. Employed glass substrate in the making of the face glass that display device is used, or from as being used to form each The employed glass substrate of base material of kind of electronic display function element or film separates and removes baffle Situation.

Claims (4)

1. fender separation method, the glass substrate that is transferred is displaced to the operation before the conveying mechanism of Working position in downstream making under the state that is being carried on the fender, and fender is separated from this glass substrate, it is characterized in that,
The conveying belt that changes to vertical or roughly vertical direction down from horizontal direction in the end in the downstream of throughput direction; at least at its throughput direction variation portion; glass substrate is carried to the direction of the conveying mechanism that can be displaced to Working position; simultaneously for the fender under this glass substrate; horizontal direction delivery site at described conveying belt; the negative pressure suction force that utilization comes from the inner space of the box-shaped body that is configured in this below, position adsorbs maintenance; afterwards; throughput direction variation portion at described conveying belt; utilization comes from this position and is rolled up the negative pressure suction force of hollow bulb of the rotation roller of extension and adsorb maintenance; then; in the vertical of described conveying belt or roughly vertical direction delivery site down; the negative pressure suction force of inner space that utilization comes from the box-shaped body of the inboard that is configured in this position adsorbs maintenance
Form a plurality of through holes on described conveying belt, and the upper wall portion of the box-shaped body below the horizontal direction delivery site of described conveying belt forms the slit of a plurality of strips side by side, the slit of described a plurality of strips is along throughput direction,
Surrounding wall portion at described rotation roller forms a plurality of all grooves, and described a plurality of all grooves spread all over full week of described surrounding wall portion circumferencial direction radially respectively and form, and form the through hole that is communicated with described hollow bulb respectively in the underside wall portion of described a plurality of all grooves,
In the wall portion of the side relative of the box-shaped body of the inboard of the vertical of described conveying belt or roughly vertical down direction delivery site with described conveying belt, form the slit of a plurality of strips side by side, the slit of described a plurality of strips is along throughput direction,
At the arrangement pitches of the Width of the through hole on the described conveying belt, at the arrangement pitches of all grooves of the arrangement pitches of the slit of the box-shaped body of described horizontal direction delivery site, described rotation roller and under all identical state of the arrangement pitches of the described vertical or roughly vertical slit of the box-shaped body of direction delivery site down
Arrive through the direction variation portion from the horizontal direction delivery site at described conveying belt on the zone of vertical or roughly vertical direction delivery site down; described fender being carried out continuous adsorption on one side keeps; on one side this fender is separated from described glass substrate, this glass substrate is displaced on the conveying mechanism of horizontal direction delivery site near the Working position that disposes with described conveying belt.
2. fender tripping device, the glass substrate that is transferred is displaced to the operation before the conveying mechanism of Working position in downstream making under the state that is being carried on the fender, and fender is separated from this glass substrate, it is characterized in that,
Constitute in the following manner:
Have and make the glass substrate that is under the state that carries on the described fender be displaced to conveying belt on the conveying mechanism of described Working position; and the throughput direction of this conveying belt is changed to vertical or roughly vertical direction down in the end in its downstream from horizontal direction; and below the horizontal direction delivery site of described conveying belt, dispose box-shaped body; the inner space of this box-shaped body forms the air attraction portion that is used for the horizontal direction delivery site of described conveying belt is produced negative pressure suction force
Throughput direction variation portion at described conveying belt disposes the rotation roller that volume is hung the hollow form of described conveying belt, and the hollow bulb of this rotation roller forms the air attraction portion that is used for the throughput direction variation portion of described conveying belt is produced negative pressure suction force,
Dispose box-shaped body at the vertical of described conveying belt or the roughly vertical inboard of direction delivery site down, the inner space of this box-shaped body forms the air attraction portion that is used for the following direction delivery site of described conveying belt is produced negative pressure suction force,
Form a plurality of through holes on described conveying belt, and the upper wall portion of the box-shaped body below the horizontal direction delivery site of described conveying belt forms the slit of a plurality of strips side by side, the slit of described a plurality of strips is along throughput direction,
Surrounding wall portion at described rotation roller forms a plurality of all grooves, and described a plurality of all grooves spread all over full week of described surrounding wall portion circumferencial direction radially respectively and form, and form the through hole that is communicated with described hollow bulb respectively in the underside wall portion of described a plurality of all grooves,
In the wall portion of the side relative of the box-shaped body of the inboard of the vertical of described conveying belt or roughly vertical down direction delivery site with described conveying belt, form the slit of a plurality of strips side by side, the slit of described a plurality of strips is along throughput direction,
The arrangement pitches of the Width of the through hole on the described conveying belt, at the arrangement pitches of all grooves of the arrangement pitches of the slit of the box-shaped body of described horizontal direction delivery site, described rotation roller and all identical at the arrangement pitches of the described vertical or roughly vertical slit of the box-shaped body of direction delivery site down
And; the horizontal direction delivery site of described conveying belt and the conveying mechanism of described Working position are near configuration; separate described fender by described conveying belt from described glass substrate on one side, Yi Bian described glass substrate is displaced on the conveying mechanism of described Working position.
3. fender tripping device according to claim 2 is characterized in that,
The transporting velocity of described conveying belt is variable.
4. fender tripping device according to claim 2 is characterized in that,
Constitute in the following manner:
By before the throughput direction variation portion of described conveying belt, drive conveying belt with the speed lower, after the stipulated time after it passes through, at fender with described conveying mechanism of identical speed drive and conveying belt than described conveying mechanism.
CN200610087782A 2005-06-21 2006-06-06 Method and device for separating fender apron CN100587558C (en)

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JP2005181108A JP4692924B2 (en) 2005-06-21 2005-06-21 Protective sheet separating method and protective sheet separating apparatus

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TWI358383B (en) 2012-02-21
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