CN106242250A - A kind of device and method adjusting glass plate warpage - Google Patents
A kind of device and method adjusting glass plate warpage Download PDFInfo
- Publication number
- CN106242250A CN106242250A CN201610600551.0A CN201610600551A CN106242250A CN 106242250 A CN106242250 A CN 106242250A CN 201610600551 A CN201610600551 A CN 201610600551A CN 106242250 A CN106242250 A CN 106242250A
- Authority
- CN
- China
- Prior art keywords
- glass plate
- carry
- pinch rolls
- over pinch
- warpage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
- C03B17/06—Forming glass sheets
- C03B17/068—Means for providing the drawing force, e.g. traction or draw rollers
Abstract
The invention discloses a kind of device and method adjusting glass plate warpage, including overflow down draw former, overflow down draw former rear end is provided with glass-cutting board device, and overflow down draw former and cutting glass plate equipment room are provided with carry-over pinch rolls.By increasing carry-over pinch rolls, glass plate is added holding force, in overflow downdraw, carry-over pinch rolls chucking power is bigger by the friction effects between boss surface and glass plate, therefore can be by increasing boss surface coefficient of friction, increase frictional force, thus strengthen the method for chucking power to make glass plate stable, eliminate caused warpage of running back and forth because of glass plate bad.
Description
Technical field
The invention belongs to glass substrate and manufacture field, be specifically related to a kind of device and method adjusting glass plate warpage.
Background technology
Existing glass plate (thickness is between 0.3mm～1.4mm) refers mainly to the base plate glass for flat panel display,
It is one of critical component of flat faced display.For many display equipments, the surfacing of glass used in panel
Degree must be within 150 microns, and the quality of display all can be adversely affected, herein by any warpage fluctuation in glass
Described warpage is the areal deformation of glass plate.
Include one layer of liquid crystal material being connected with glass substrate, and transistor (TFT) the most in a lcd display, described
Transistor, by the array arrangement of certain pattern, makes liquid crystal molecule be orientated by desired form.
Therefore any change of glass substrate wrapping all can cause the change of spacing between transistor and pixel, so can be straight
Connect electric field and the pixel having influence on display, make the gray scale of display and color uneven, produce the defects such as bright spot.Therefore at LCD
In applying with other glass displays, it is provided that the glass substrate in the range of acceptable warpage is highly profitable.
General under technological temperature stable case, glass plate occurs that the shape defects such as warpage are owing to carry-over pinch rolls fail stable
Clamping glass plate, makes glass plate have phenomenon of running back and forth in downdraw process, causes glass pane surface shape to change.Generally
Tackle the way of this situation be the counterweight strengthening carry-over pinch rolls to strengthen chucking power, make glass plate stable.But the overweight meeting of counterweight
Crackle causes disconnected plate to cause glass plate to occur, impact produces.
Summary of the invention
The present invention is to aiming to overcome that above-mentioned deficiency, it is provided that a kind of device and method adjusting glass plate warpage, makes glass
Glass plate is not in the case of existing carry-over pinch rolls counterweight increases, and by enlarged surface coefficient of friction, strengthens carry-over pinch rolls to glass plate
Chucking power, thus effectively reduce glass plate and run back and forth, improve warpage grade.
In order to achieve the above object, a kind of device adjusting glass plate warpage includes overflow down draw former, under overflow
Pulling shaping equipment rear end is provided with glass-cutting board device, and overflow down draw former is provided with cutting glass plate equipment room and leads
Pick-up roll.
The arcuate friction device for increasing friction it is provided with on described carry-over pinch rolls.
Described arcuate friction device includes front end arc-shaped device, and drives front end arc-shaped device to move on carry-over pinch rolls
Rear end leading screw propulsion plant.
Carry-over pinch rolls boss it is provided with on described carry-over pinch rolls.
Described carry-over pinch rolls boss contact surface is hair side.
The width of described carry-over pinch rolls boss is less than the width of arcuate friction device on carry-over pinch rolls.
Described overflow down draw former, carry-over pinch rolls and glass-cutting board device are at same plane.
The processing method of a kind of device adjusting glass plate warpage, comprises the following steps:
Step one, vitreous humour flow into overflow down draw former, form glass plate；
Step 2, adjustment carry-over pinch rolls add holding force to glass plate, so that glass plate is drop-down by carry-over pinch rolls；
The glass plate of stretching is cut into the glass plate of single lamellar by step 3, mobile glass-cutting board device.
In described step 2, by rear end leading screw propulsion plant adjust between front end arc-shaped device and carry-over pinch rolls boss away from
From.
Compared with prior art, the present invention adds holding force to glass plate, in overflow down draw to device by increasing carry-over pinch rolls
In method, carry-over pinch rolls chucking power is relatively big by the friction effects between boss surface and glass plate, therefore can be by increasing boss surface
Coefficient of friction, increases frictional force, thus strengthens the method for chucking power to make glass plate stable, eliminates because glass plate carrys out fallback
The dynamic warpage caused is bad.
Further, the present invention is provided with arcuate friction device, improves carry-over pinch rolls and glass plate is added holding force.
Further, the contact surface of carry-over pinch rolls boss of the present invention is hair side, increases skin-friction coefficient, thus increases traction
The roller chucking power to glass plate.
The method of the present invention adds holding force by adjust carry-over pinch rolls and glass plate, it is to avoid can cause glass during chucking power deficiency
Glass plate is run in former back and forth, thus causes the change of glass sheet shape in forming temperature interval to cause warpage bad
Problem, reduced because glass plate is run back and forth by the method increasing carry-over pinch rolls and the frictional force of glass plate, thus play tune
The purpose of the kind glass plate warpage of rectification.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of arcuate friction device of the present invention；
Wherein, 1, overflow down draw former；2, the glass plate in overflow former；3, carry-over pinch rolls boss；4, traction
Roller；5, arcuate friction device；6 is glass-cutting board device；7, front end arc-shaped device；8, rear end leading screw propulsion plant.
Detailed description of the invention
The present invention will be further described below in conjunction with the accompanying drawings.
Seeing Fig. 1 and Fig. 2, the present invention includes that overflow down draw former 1, overflow down draw former 1 rear end are provided with
Glass-cutting board device 6, is provided with carry-over pinch rolls 4 between overflow down draw former 1 and glass-cutting board device 6, overflow down draw becomes
Type equipment 1, carry-over pinch rolls 4 and glass-cutting board device 6 are provided with the arc for increasing friction on same plane, carry-over pinch rolls 4
Rubbing device 5, arcuate friction device 5 includes front end arc-shaped device 7, and drives front end arc-shaped device 7 to move on carry-over pinch rolls 4
Rear end leading screw propulsion plant 8, carry-over pinch rolls 4 are provided with carry-over pinch rolls boss 3, carry-over pinch rolls boss 3 contact surface is hair side, carry-over pinch rolls
The width of boss 3 is less than the width of arcuate friction device 5 on carry-over pinch rolls 4.
In overflow downdraw produces the procedure for producing of plate glass, vitreous humour flows into overflow down draw former 1, is formed
Glass plate 2, glass plate 2 is drop-down by carry-over pinch rolls 3, then moves glass-cutting board device 6 and the glass plate 2 of stretching is cut into single
The glass plate of shape.Arcuate friction device 5 is positioned at overflow down draw former 1 rear end as can be seen from Figure 1, is placed on away from carry-over pinch rolls convex
Platform 3 level in a distance, the place that vertical height is identical, glass can be caused when carry-over pinch rolls 4 are to glass plate 2 chucking power deficiency
Glass plate 2 is run in former back and forth, thus causes the change of glass sheet shape in forming temperature interval to cause warpage not
Good.For this occur to run back and forth because of glass plate cause warpage bad time, front end can be made by advancing rear end leading screw propulsion plant 8
Arc-shaped device 7 contacts with surface at carry-over pinch rolls boss 3, by its matte finish, increases the friction system on surface at carry-over pinch rolls boss 3
Number, thus increase the carry-over pinch rolls boss 3 frictional force to glass plate 2, this adds the carry-over pinch rolls 4 folder to glass plate 2 the most accordingly
Holding force, thus it is bad to alleviate the even elimination glass plate warpage caused of running back and forth in overflow former.
The present invention manufacture during glass plate by the method increasing carry-over pinch rolls and the frictional force of glass plate reduce because of
Glass plate is run back and forth, thus plays and adjust the method improving glass plate warpage.
Claims (9)
1. the device adjusting glass plate warpage, it is characterised in that include overflow down draw former (1), overflow down draw becomes
Type equipment (1) rear end is provided with glass-cutting board device (6), between overflow down draw former (1) and glass-cutting board device (6)
It is provided with carry-over pinch rolls (4).
A kind of device adjusting glass plate warpage the most according to claim 1, it is characterised in that on described carry-over pinch rolls (4)
It is provided with the arcuate friction device (5) for increasing friction.
A kind of device adjusting glass plate warpage the most according to claim 2, it is characterised in that described arcuate friction device
(5) include front end arc-shaped device (7), and drive front end arc-shaped device (7) to advance at the rear end leading screw of the upper motion of carry-over pinch rolls (4)
Device (8).
A kind of device adjusting glass plate warpage the most according to claim 1, it is characterised in that on described carry-over pinch rolls (4)
It is provided with carry-over pinch rolls boss (3).
A kind of device adjusting glass plate warpage the most according to claim 4, it is characterised in that described carry-over pinch rolls boss
(3) contact surface is hair side.
A kind of device adjusting glass plate warpage the most according to claim 4, it is characterised in that described carry-over pinch rolls boss
(3) width is less than the width of the upper arcuate friction device (5) of carry-over pinch rolls (4).
A kind of device adjusting glass plate warpage the most according to claim 1, it is characterised in that described overflow down draw molding
Equipment (1), carry-over pinch rolls (4) and glass-cutting board device (6) are at same plane.
8. the processing method of a kind of device adjusting glass plate warpage described in claim 1, it is characterised in that include following step
Rapid:
Step one, vitreous humour flow into overflow down draw former (1), form glass plate (2)；
Step 2, adjustment carry-over pinch rolls (3) add holding force to glass plate (2), so that glass plate (2) is drop-down by carry-over pinch rolls (3)；
The glass plate (2) of stretching is cut into the glass plate of single lamellar by step 3, mobile glass-cutting board device (6).
The processing method of a kind of device adjusting glass plate warpage the most according to claim 1, it is characterised in that described step
In rapid two, adjust the distance between front end arc-shaped device (7) and carry-over pinch rolls boss (3) by rear end leading screw propulsion plant (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610600551.0A CN106242250B (en) | 2016-07-27 | 2016-07-27 | A kind of device and method adjusting glass slab warping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610600551.0A CN106242250B (en) | 2016-07-27 | 2016-07-27 | A kind of device and method adjusting glass slab warping |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106242250A true CN106242250A (en) | 2016-12-21 |
| CN106242250B CN106242250B (en) | 2019-07-12 |
Family
ID=57604792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610600551.0A Active CN106242250B (en) | 2016-07-27 | 2016-07-27 | A kind of device and method adjusting glass slab warping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106242250B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108996893A (en) * | 2018-07-27 | 2018-12-14 | 彩虹显示器件股份有限公司 | A kind of control device and method of plate glass warpage quality |
| CN109336374A (en) * | 2018-10-31 | 2019-02-15 | 彩虹集团（邵阳）特种玻璃有限公司 | A kind of cover-plate glass traction mechanism |
| CN111018320A (en) * | 2019-12-26 | 2020-04-17 | 彩虹（合肥）液晶玻璃有限公司 | Carry over pinch rolls structure of drawing glass area |
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| CN102811961A (en) * | 2010-01-08 | 2012-12-05 | 康宁股份有限公司 | Active edge roll control in a glass drawing process |
| CN102826735A (en) * | 2011-05-25 | 2012-12-19 | 康宁股份有限公司 | Pulling rolls for use in glass manufacturing processes and methods for making the same |
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| CN103113018A (en) * | 2011-10-03 | 2013-05-22 | 康宁股份有限公司 | Pulling rolls for use in glass manufacturing processes and glass manufacturing processes incorporating the same |
| CN104870385A (en) * | 2012-12-20 | 2015-08-26 | 康宁股份有限公司 | Roller pairs for processing glass ribbons and draw apparatuses incorporating the same |
| JP2016011239A (en) * | 2014-06-30 | 2016-01-21 | ＡｖａｎＳｔｒａｔｅ株式会社 | Manufacturing method of glass plate, and glass plate |
| CN105645739A (en) * | 2015-12-29 | 2016-06-08 | 芜湖东旭光电科技有限公司 | Edge-pulling wheel of glass substrate |
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2016
- 2016-07-27 CN CN201610600551.0A patent/CN106242250B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101163645A (en) * | 2005-04-26 | 2008-04-16 | 康宁股份有限公司 | Forming apparatus with extensions attached thereto used in a glass manufacturing system |
| JP2007051027A (en) * | 2005-08-18 | 2007-03-01 | Nippon Electric Glass Co Ltd | Glass plate and its forming method |
| CN101838101A (en) * | 2009-06-10 | 2010-09-22 | 河北东旭投资集团有限公司 | Vertical traction device used in TFT-LCD (Thin Film Transistor-Liquid Crystal Diode) substrate glass forming process |
| CN102050562A (en) * | 2009-10-29 | 2011-05-11 | 康宁股份有限公司 | Low friction edge roll to minimize force cycling |
| CN102811961A (en) * | 2010-01-08 | 2012-12-05 | 康宁股份有限公司 | Active edge roll control in a glass drawing process |
| CN102826735A (en) * | 2011-05-25 | 2012-12-19 | 康宁股份有限公司 | Pulling rolls for use in glass manufacturing processes and methods for making the same |
| CN103113018A (en) * | 2011-10-03 | 2013-05-22 | 康宁股份有限公司 | Pulling rolls for use in glass manufacturing processes and glass manufacturing processes incorporating the same |
| CN202912826U (en) * | 2012-09-17 | 2013-05-01 | 富荞企业管理顾问有限公司 | Non-dynamic glass edge positioner |
| CN104870385A (en) * | 2012-12-20 | 2015-08-26 | 康宁股份有限公司 | Roller pairs for processing glass ribbons and draw apparatuses incorporating the same |
| JP2016011239A (en) * | 2014-06-30 | 2016-01-21 | ＡｖａｎＳｔｒａｔｅ株式会社 | Manufacturing method of glass plate, and glass plate |
| CN105645739A (en) * | 2015-12-29 | 2016-06-08 | 芜湖东旭光电科技有限公司 | Edge-pulling wheel of glass substrate |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108996893A (en) * | 2018-07-27 | 2018-12-14 | 彩虹显示器件股份有限公司 | A kind of control device and method of plate glass warpage quality |
| CN109336374A (en) * | 2018-10-31 | 2019-02-15 | 彩虹集团（邵阳）特种玻璃有限公司 | A kind of cover-plate glass traction mechanism |
| CN111018320A (en) * | 2019-12-26 | 2020-04-17 | 彩虹（合肥）液晶玻璃有限公司 | Carry over pinch rolls structure of drawing glass area |
| CN111018320B (en) * | 2019-12-26 | 2021-03-09 | 彩虹（合肥）液晶玻璃有限公司 | Carry over pinch rolls structure of drawing glass area |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106242250B (en) | 2019-07-12 |
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