CN207811553U - A kind of carry-over pinch rolls clad and carry-over pinch rolls applied to liquid crystal substrate glass - Google Patents
A kind of carry-over pinch rolls clad and carry-over pinch rolls applied to liquid crystal substrate glass Download PDFInfo
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- CN207811553U CN207811553U CN201721641149.3U CN201721641149U CN207811553U CN 207811553 U CN207811553 U CN 207811553U CN 201721641149 U CN201721641149 U CN 201721641149U CN 207811553 U CN207811553 U CN 207811553U
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- asbestos
- original piece
- carry
- pinch rolls
- over pinch
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The utility model discloses a kind of carry-over pinch rolls clads and carry-over pinch rolls applied to liquid crystal substrate glass, clad includes the sequentially connected first low specification asbestos original piece, first high standard asbestos original piece, second low specification asbestos original piece, second high standard asbestos original piece, the low specification asbestos original piece of third, the position of first high standard asbestos original piece and the second high standard asbestos original piece is corresponding with the first corbel back slab region of carry-over pinch rolls and the second corbel back slab region respectively, the incidence of crackle in base plate glass forming process can be effectively reduced, improve the product grade and production efficiency of glass substrate；Reduce the workload for optimizing and revising covering material hardness simultaneously, reduces the cladding manufacturing cost of carry-over pinch rolls.
Description
Technical field
The utility model belongs to liquid crystal substrate glass manufacturing technology field, and in particular to one kind being applied to liquid crystal substrate glass
Carry-over pinch rolls clad and carry-over pinch rolls.
Background technology
In liquid crystal substrate glass production process, led using made of a pair of of steel roller core external sheath asbestos refractory material
Pick-up roll carries out corbel back slab, and the asbestos covering material of carry-over pinch rolls can work under 800 DEG C -900 DEG C of hot environment.Covering material is
A certain proportion of refractory material is mixed into asbestos material, by slurrying, the techniques such as film-making, punching are first made with certain thickness
Asbestos original piece, then asbestos original piece is sleeved on carry-over pinch rolls steel core, by apply certain pressure after be fixed on carry-over pinch rolls steel core
Upper formation refractory material coats insulating layer.
Carry-over pinch rolls outsourcing asbestos flame retardant coating is shaped, cylindrical working surface of certain size, two are utilized
A outer round surface carries out clamping traction sizing to glass substrate and is completed to glass substrate by the opposite continuous rotation of carry-over pinch rolls
Traction pull down forming process.Since glass substrate thickness itself is between 0.4mm~0.7mm, the characteristic of glass material in addition
It is hard and crisp, it is vulnerable to uneven external force in corbel back slab forming process and squeezes and crack, lead to disconnected plate, very to production impact
Greatly, so the quality of the quality and production process of glass substrate and asbestos clad itself is closely related.On the one hand traction is required
The degree of purity of roll cladding material is very high, the impurity or foreign matter for not allowing material to contain hard；Another aspect technology for making glass is wanted
The hardness of covering material is asked to have adjustment nargin.But since the primary raw material of covering material is asbestos, it is desirable to control asbestos completely
The impurity of association is difficult in raw mineral materials, and cost is also very high, it is therefore desirable to propose a kind of carry-over pinch rolls clad to solve
State problem.
Invention content
To solve the above-mentioned problems, the utility model provides a kind of carry-over pinch rolls packet applied to liquid crystal substrate glass industry
Coating and carry-over pinch rolls reduce the incidence of crackle in base plate glass forming process, are promoted by optimizing the clad of carry-over pinch rolls
The product grade and production efficiency of glass substrate, while reducing the workload of adjustment cladding material hardness.
In order to achieve the above objectives, a kind of carry-over pinch rolls clad applied to liquid crystal substrate glass industry described in the utility model
Including the sequentially connected first low specification asbestos original piece, the first high standard asbestos original piece, the second low specification asbestos original piece, second high
The low specification asbestos original piece of specification asbestos original piece, third, the position of the first high standard asbestos original piece and the second high standard asbestos original piece
It is corresponding with the first corbel back slab region of carry-over pinch rolls and the second corbel back slab region respectively.
Further, the first high standard asbestos original piece and the second high standard asbestos original piece are more than the hard of 3mm without grain size
Impurity, grain size is more than 2mm and the hard impurity less than 3mm is no more than one, and grain size is more than 1mm and the hard impurity less than 2mm
No more than two.
Further, the length of the first high standard asbestos original piece and the second high standard asbestos original piece is respectively greater than the first corbel back slab
The length in region and the second corbel back slab region.
Further, the length of the first high standard asbestos original piece and the second high standard asbestos original piece accounts for entire cladding region
The 8%~12% of length, the length of the first low specification asbestos original piece and the length of the low specification asbestos original piece of third account for entire cladding
The 3%~5% of zone length.
A kind of carry-over pinch rolls applied to liquid crystal substrate glass, including carry-over pinch rolls roller core, carry-over pinch rolls roller core are provided with cladding outside
Layer, clad include the sequentially connected first low specification asbestos original piece, the first high standard asbestos original piece, the second low specification asbestos original
Piece, the second high standard asbestos original piece, the low specification asbestos original piece of third, the first high standard asbestos original piece and the second high standard asbestos are former
The position of piece is corresponding with the first corbel back slab region of carry-over pinch rolls and the second corbel back slab region respectively.
Compared with prior art, the utility model at least has technique effect beneficial below, and the utility model is according to production
Product specification is adjusted carry-over pinch rolls clad, selects high standard asbestos original piece at the position contacted with product, is not connect with product
Low specification asbestos original piece is selected at tactile position.Since high standard asbestos original piece relative usage amount is small, pass through preferred asbestos raw ore
Method manufactures the asbestos original piece of high standard, and impurity content can be more accurately controlled；When glass moulding processes need
When adjusting the hardness of covering material, it is only necessary to which the hardness for adjusting high standard asbestos original piece part facilitates implementation, adjustment material hard
The cost of degree is low；On the other hand the low asbestos of grade are used to make the asbestos original piece of low specification, for usage amount on carry-over pinch rolls
Position that is big and not contacted with product, reduces the manufacturing expense of asbestos original piece.It solves and is split in base plate glass production well
The problem of line, disconnected plate, the incidence of crackle in base plate glass forming process can be effectively reduced using this clad, promotes glass
The product grade and production efficiency of substrate, while also reducing traction roll cladding manufacturing cost.
Description of the drawings
Fig. 1 is the position relationship schematic diagram of a pair of carry-over pinch rolls and base plate glass machined；
Fig. 2 is the cladding schematic diagram of carry-over pinch rolls asbestos some materials；
In attached drawing：1, carry-over pinch rolls, 2, carry-over pinch rolls, 3, corbel back slab region, 4, corbel back slab region, 5, non-corbel back slab region, 6, non-corbel back slab
Region, 7, non-corbel back slab region, 8, furnace wall steel structure, 9, incubation chamber, 10, glass substrate, the 11, first low specification asbestos original piece, 12,
One high standard asbestos original piece, the 13, second low specification asbestos original piece, the 14, second high standard asbestos original piece, 15, the low specification stone of third
Cotton original piece, 16, carry-over pinch rolls roller core.
Specific implementation mode
The utility model is described in detail with reference to the accompanying drawings and detailed description.
Referring to Fig.1, the roller core of the carry-over pinch rolls 1 applied in liquid crystal glass base production is steel core, and carry-over pinch rolls roller core 16 is logical
Body coats asbestos refractory material completely, but the practical only roll body both ends that drawing-in motion is contacted, completed with base plate glass plate 10
Two peripheries, that is to say, that actually can be to covering material that product grade impacts only there are two region, remaining
Covered section does not allow and contact glass sheet.The region of 1 clad of carry-over pinch rolls and contact glass sheet is the first corbel back slab region 3 and the
Two corbel back slab regions 4 are not the first non-corbel back slab region 5, the second non-corbel back slab region 6 and the non-corbel back slab of third with the region of contact glass sheet
Region 7, when producing glass, two carry-over pinch rolls are placed in incubation chamber 9, and incubation chamber 9 is located in furnace wall steel structure 8.
With reference to Fig. 2, a kind of carry-over pinch rolls clad applied to liquid crystal substrate glass industry includes sequentially connected first low
Specification asbestos original piece 11, the first high standard asbestos original piece 12, the second low specification asbestos original piece 13, the second high standard asbestos original piece
14, distinguish the position of the low specification asbestos original piece 15 of third, the first high standard asbestos original piece 12 and the second high standard asbestos original piece 14
It is corresponding with the first corbel back slab region 3 of carry-over pinch rolls and the second corbel back slab region 4, the first high standard asbestos original piece 12 and the second high standard stone
The length of cotton original piece 14 is respectively greater than the length in the first corbel back slab region 3 and the second corbel back slab region 4.First high standard asbestos original piece 12
The 8%~12% of entire cladding zone length, and the first low specification asbestos are accounted for the length of the second high standard asbestos original piece 14
The length of the low specification asbestos original piece of the length and third of former piece 11 15 accounts for the 3%~5% of entire cladding zone length.
The technology of high standard asbestos original piece (including the first high standard asbestos original piece 12 and second high standard asbestos original piece 14)
It is required that being：Grain size more than 3mm hard impurity quantity be 0, grain size be more than 2mm and less than 3mm hard impurity quantity≤
1, grain size is more than quantity≤2 of 1mm and the hard impurity less than 2mm, does not meet the asbestos original piece of high standard asbestos original piece requirement
For low specification asbestos original piece, low specification asbestos original piece includes the first low specification asbestos original piece 11, the second low specification asbestos original piece 13
Specification asbestos original piece low with third 15.
Applied to the carry-over pinch rolls of liquid crystal substrate glass, including carry-over pinch rolls roller core 16, cladding is provided with outside carry-over pinch rolls roller core 16
Layer, clad includes the sequentially connected first low specification asbestos original piece 11, the first high standard asbestos original piece 12, the second low specification stone
The low specification asbestos original piece 15 of cotton original piece 13, the second high standard asbestos original piece 14, third, the first high standard asbestos original piece 12 and second
The position of high standard asbestos original piece 14 is corresponding with the first corbel back slab region 3 of carry-over pinch rolls and the second corbel back slab region 4 respectively, the first high rule
The length of lattice asbestos original piece 12 and the second high standard asbestos original piece 14 is respectively greater than the first corbel back slab region 3 and the second corbel back slab region 4
Length.The length of first high standard asbestos original piece 12 and the second high standard asbestos original piece 14 accounts for entire cladding zone length
8%~12%, and the length of the first low specification asbestos original piece 11 and the length of the low specification asbestos original piece of third 15 account for entire cladding
The 3%~5% of zone length.
The utility model is defined the position of carry-over pinch rolls covering material according to product specification, in the portion contacted with product
High standard asbestos original piece is selected in position, and low specification asbestos original piece is selected at the position not contacted with product.First low specification asbestos original piece
11, the diameter of low with the third specification asbestos original piece of the second low specification asbestos original piece 13 15 is identical, the first high standard asbestos original piece 12
It is identical with the diameter of the second high standard asbestos original piece 14.After being covered to complete, clad is further processed, makes high standard
The diameter that the diameter of asbestos original piece is more than low specification asbestos original piece is only accounted for and is led since high standard asbestos original piece relative usage amount is small
The 16%~24% of pick-up roll covering material total amount prepares the asbestos original piece of two kinds of specifications, passes through the method system of preferred asbestos raw ore
The asbestos original piece of high standard is made, impurity content can be more accurately controlled, the corbel back slab for being contacted with base plate glass
The position in region, when glass moulding processes need to adjust the hardness of covering material, it is only necessary to adjust high standard asbestos original piece part
Hardness, facilitate implementation, the cost for adjusting material hardness is low；On the other hand by the low asbestos of grade for making low specification
Asbestos original piece reduce the manufacturing expense of asbestos original piece for the position that usage amount on carry-over pinch rolls is big and is not contacted with product.
The asbestos original piece for having both specifications, can in advance be defined when coating carry-over pinch rolls according to product specification, and height is advised
Lattice original piece is coated on the position of contact glass plate, solves the problems, such as crackle in base plate glass production, disconnected plate well, and drop
Low traction roll cladding manufacturing cost.
Claims (5)
1. a kind of carry-over pinch rolls clad applied to liquid crystal substrate glass, which is characterized in that including the sequentially connected first low rule
Lattice asbestos original piece (11), the first high standard asbestos original piece (12), the second low specification asbestos original piece (13), the second high standard asbestos are former
The low specification asbestos original piece (15) of piece (14), third, the first high standard asbestos original piece (12) and the second high standard asbestos original piece (14)
Position it is corresponding with the first corbel back slab region (3) of carry-over pinch rolls and second corbel back slab region (4) respectively.
2. a kind of carry-over pinch rolls clad applied to liquid crystal substrate glass according to claim 1, which is characterized in that first
High standard asbestos original piece (12) and the second high standard asbestos original piece (14) are more than the hard impurity of 3mm without grain size, and grain size is more than
2mm and the hard impurity for being less than 3mm are no more than one, and grain size is more than 1mm and the hard impurity less than 2mm is no more than two.
3. a kind of carry-over pinch rolls clad applied to liquid crystal substrate glass according to claim 1, which is characterized in that first
The length of high standard asbestos original piece (12) and the second high standard asbestos original piece (14) is respectively greater than the first corbel back slab region (3) and second
The length in corbel back slab region (4).
4. a kind of carry-over pinch rolls clad applied to liquid crystal substrate glass according to claim 2, which is characterized in that first
The length of high standard asbestos original piece (12) and the second high standard asbestos original piece (14) account for entire cladding zone length 8%~
12%, the length of the first low specification asbestos original piece (11) and the length of the low specification asbestos original piece (15) of third account for entire cladding region
The 3%~5% of length.
5. a kind of carry-over pinch rolls applied to liquid crystal substrate glass industry, which is characterized in that including carry-over pinch rolls roller core (16), carry-over pinch rolls
It is provided with clad as described in claim 1 outside roller core (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721641149.3U CN207811553U (en) | 2017-11-30 | 2017-11-30 | A kind of carry-over pinch rolls clad and carry-over pinch rolls applied to liquid crystal substrate glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721641149.3U CN207811553U (en) | 2017-11-30 | 2017-11-30 | A kind of carry-over pinch rolls clad and carry-over pinch rolls applied to liquid crystal substrate glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207811553U true CN207811553U (en) | 2018-09-04 |
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ID=63335201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721641149.3U Active CN207811553U (en) | 2017-11-30 | 2017-11-30 | A kind of carry-over pinch rolls clad and carry-over pinch rolls applied to liquid crystal substrate glass |
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| CN (1) | CN207811553U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112374743A (en) * | 2020-11-11 | 2021-02-19 | 余仕敏 | Short roller cladding device for processing glass substrate |
| CN113105102A (en) * | 2021-03-11 | 2021-07-13 | 成都中光电科技有限公司 | TFT-LCD shaping carry over pinch rolls |
-
2017
- 2017-11-30 CN CN201721641149.3U patent/CN207811553U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112374743A (en) * | 2020-11-11 | 2021-02-19 | 余仕敏 | Short roller cladding device for processing glass substrate |
| CN113105102A (en) * | 2021-03-11 | 2021-07-13 | 成都中光电科技有限公司 | TFT-LCD shaping carry over pinch rolls |
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