CN104761131A - Precision drawing device for flat glass - Google Patents
Precision drawing device for flat glass Download PDFInfo
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- CN104761131A CN104761131A CN201410005866.1A CN201410005866A CN104761131A CN 104761131 A CN104761131 A CN 104761131A CN 201410005866 A CN201410005866 A CN 201410005866A CN 104761131 A CN104761131 A CN 104761131A
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- stretching
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- glass
- sheet glass
- heater block
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Abstract
The invention discloses a precision drawing device for flat glass. The precision drawing device comprises a heating softening furnace, a heat preserving device, a hoisting device, a stretching device, an annealing device and a cutting device. The heat preserving device and the annealing device are introduced behind a heating zone, so that various stresses produced in the glass forming process are effectively controlled and reduced; an upper cover is arranged in the heating softening furnace, so that the rapid loss of heat is effectively avoided; a passage A is divided into a plurality of heating sections for zone control on heating elements, so that the uniform distribution of a thermal field in the heating zone is ensured; by virtue of introducing temperature, viscosity and glass thickness monitoring components, the glass forming process is effectively subjected to process control.
Description
Technical field
The present invention relates to the accurate device for stretching of a kind of sheet glass, relate to glass second heat forming field.
Background technology
At present, the flat glass product of industry to thinner thickness such as number, display, touch-screen and glass reinforced panel have larger demand, and this type of material that market is supplied is many from foreign vendor, be short of all to some extent in selection handiness, cost performance, supply handiness etc., well cannot meet the demand in market; Domestic manufacturer focuses on again the pursuit of output mostly, produces vehicle glass, these thicker materials of building glass more.Therefore inventing a kind of high flexibility ratio, high-level efficiency, the accurate drawing work of glass secondary of low cost and relevant device, an effective solution can be provided for solving above market supply and demand problem.Drawing work is a kind of relatively traditional technique in glass second heat moulding process, the drawing being used for fibre-optical drawing or other micro-optics devices is produced, it is little that use for sheet glass is then confined to breadth, the problems such as formed precision is low, cannot application in the above-mentioned middle-and high-end applications field mentioned.
Summary of the invention
In order to solve the problems referred to above that prior art exists, the invention provides the accurate device for stretching of a kind of sheet glass, object is the surface finish, the smooth finish that improve secondary drawing thermoforming sheet glass, increases panel amplitude simultaneously.
To achieve these goals, the present invention adopts following technical scheme:
The accurate device for stretching of a kind of sheet glass, is characterized in that, comprising:
Thermoplastic stove, it has housing A, has for the passage A by hard glass in described housing A, is positioned at passage A side and is provided with heater block A, temperature control sensor A and viscosity sensor in described housing A;
Attemperator, it is located on the downside of described thermoplastic stove, described attemperator has housing B, there is in described housing B the channel B for soften glass, the outlet that the entrance that described channel B is positioned at top and passage A are positioned at bottom is connected, and described housing B is interior and be positioned at channel B side and be provided with heater block B, temperature control sensor B and the proofing unit for testing soften glass thickness;
Hanging apparatus, it is located at above described thermoplastic stove, and this device is used for hard glass to hang in thermoplastic stove;
Stretching device, it is located at below described attemperator, and described stretching device comprises stretching motor and two and to be arranged in parallel and for the draw roll of drawing soften glass, described stretching motor is connected with draw roll by web member;
Annealing device, it is located at described stretching device side, and described annealing device comprises anneal station and is laterally located at the deflector roll of this anneal station;
Cutting unit, it is located at described annealing device side, and described cutting unit comprises cutting bed and is located at cutting tool or the laser cutting device of cutting bed.
Further: described passage A both sides are equipped with heater block A, described heater block A comprises the heating rod/heater strip being located at outside and the heat-conducting plate being located at inner side, described passage A has a plurality of separate heating zone, and the A/F that described passage A is positioned at top is corresponding with hard glass thickness.
Further: described temperature control sensor A is distributed in passage A side.
Further: described viscosity sensor A is at least two, it is arranged along described passage A bearing of trend.
Further: described channel B both sides are equipped with heater block B, described heater block B comprises the heating rod/heater strip being located at outside and the heat-conducting plate being located at inner side.
Further: described temperature control sensor B is distributed in channel B side.
Further: described hanging apparatus comprises lifting platform, lifting motor, fixed pulley, lifting clamping device and hanger rope, lifting platform is located at by described lifting motor and fixed pulley, described hanger rope one end is connected with lifting motor, and the other end passes described fixed pulley and is connected with lifting clamping device.
Further, the passage A ingress of thermoplastic stove arranges upper cover, is covered with upper cover entrance on described.
Compared to existing technology, tool of the present invention has the following advantages:
(1) the present invention introduces attemperator and annealing device after heating zone, effectively controls and reduces the various stress produced in glass forming process;
(2) the present invention by arranging upper cover in thermoplastic stove, effectively avoids heat to run off fast, and passage A is divided into multiple heating zone, zonal control heating unit, guarantee that in heating zone, thermal field is uniformly distributed;
(3) the present invention is by introducing temperature, viscosity and thickness of glass monitoring component, effectively carries out process control to glass moulding processes.
Accompanying drawing explanation
Fig. 1 is the accurate device for stretching structure iron of a kind of sheet glass.
Fig. 2 is thermoplastic furnace accretion composition in the accurate device for stretching of a kind of sheet glass.
Fig. 3 is superstructure figure in the accurate device for stretching of a kind of sheet glass.
Fig. 4 is attemperator structure iron in the accurate device for stretching of a kind of sheet glass.
In figure, 1-hanging apparatus, 11-lifts platform, and 12-lifts motor, 13-fixed pulley, 14-hanger rope, 2-thermoplastic stove, 21-housing A, 22-heater block A, 23-viscosity sensor, 24-temperature control sensor A, 25-upper cover, 251-upper cover entrance, 3-attemperator, 31-housing B, 32-heater block B, 33-temperature control sensor B, 4-stretching device, 5-annealing device, 6-cutting unit.
Embodiment
If no special instructions, in literary composition, "/" represents "or".
As shown in figures 1-4, the accurate device for stretching of a kind of sheet glass, comprise thermoplastic stove 2, it has housing A21, have in described housing A for the passage A by hard glass, be positioned at passage A side and be provided with heater block A22, temperature control sensor A24 and viscosity sensor 23 in described housing A, temperature control sensor A is distributed in passage A side (i.e. the side of passage A), viscosity sensor A is at least two, and it is arranged along described passage A bearing of trend.
Passage A both sides are equipped with heater block A, described heater block A comprises the heating rod/heater strip being located at outside and the heat-conducting plate being located at inner side, described passage A has a plurality of separate heating zone, and the A/F that described passage A is positioned at top is corresponding with hard glass thickness.
Attemperator 3 is set on the downside of thermoplastic stove, described attemperator has housing B31, have in described housing B for the channel B by soften glass, the entrance that described channel B is positioned at top is connected with the outlet that passage A is positioned at bottom, be positioned at channel B side (side of channel B) and be provided with heater block B32, temperature control sensor B33 and the proofing unit for testing soften glass thickness in described housing B, temperature control sensor B is distributed in channel B side.
Channel B both sides are equipped with heater block B, and described heater block B comprises the heating rod/heater strip being located at outside and the heat-conducting plate being located at inner side.
Arrange hanging apparatus 1 above thermoplastic stove, this device is used for hard glass to hang in thermoplastic stove.In this embodiment, hanging apparatus comprises lifting platform 11, lifting motor 12, fixed pulley 13, lifting clamping device and hanger rope 14, lifting platform is located at by described lifting motor and fixed pulley, described hanger rope one end is connected with lifting motor, and the other end passes described fixed pulley and is connected with lifting clamping device
Arrange stretching device 4 below attemperator, described stretching device comprises stretching motor and two and to be arranged in parallel and for the draw roll of drawing soften glass, described stretching motor is connected with draw roll by web member.
Stretching device side arranges annealing device 5, and described annealing device comprises anneal station and is laterally located at the deflector roll of this anneal station, for the ease of temperature control, annealing device 5 is also provided with temperature control sensor C.
Annealing device side arranges cutting unit 6, and described cutting unit comprises cutting bed and is located at cutting tool or the laser cutting device of cutting bed.
Thicker frit is loaded into more than heating zone (thermoplastic stove), and put down a small amount of through heating zone by traction electric machine (lifting motor), heating zone starts to be heated to Glass Transition, by detecting Heating Zone Temperature and glass viscosity, start glass draw technological process, top traction electric machine broadcasts frit downwards with slower speed, stretching motor in bottom draws soften glass downwards with speed faster and becomes and makes it thinning, sequentially pass through and extend the final cooling forming in cooling area (attemperator) and online annealed zone (annealing device), and device to be cut is cut off online and is become glass flake material.
This device extends temperature controlled region by introducing, effectively avoid in traditional technology by the temperature decrease of the even thousands of degree of the hundreds of degree of drawn glass from heating zone to room-temperature zone, decrease vitreum stress that thermal shocking causes and surface stress is assembled or amplifies, favourable shaping after glass form good surperficial face shape.
Thermoplastic stove forms mainly through the heat-conducting plate of the composite structure of two pieces of parallel placements that (this heating zone is passage A in heating zone, for passing through starting material), heat-conducting plate outer wall guarantees heater strip or the heating rod of being close to setting, the even heat that heater strip or heating rod are sent be transmitted in heating zone, the housing A with insulation effect guarantee temperature field in heating zone less by ectocine.
The transverse width of two pieces of heat-conducting plates is 100 ~ 5000mm, temperature accuracy wherein within more than at least 50% zone maintenance ± 3 degree, to guarantee that heatable frit and final molding sheet glass have larger fabric width, improve the utilising efficiency of shaping rear sheet glass and broaden application field.
In a specific embodiment, the edge of two pieces of heat-conducting plate widths can arrange the shorter heat-conducting plate be connected with two plates in addition, forms the heating zone closed, to guarantee that scope larger in whole heating zone has more uniform heterogeneity phantom.The heat-conducting plate profile arranged in addition can be plane or concave surface, specifically depends on the overall thermal field design in heating zone.
Especially, the top of thermoplastic stove is provided with upper cover 25, and its opening (i.e. upper cover entrance 251) size is adjustable, only hold sheet glass by thickness.Because heat always easily runs off up, so increase upper cover insulation, can contribute to controlling Uniformity of Temperature Field in heating zone, and reduce heating power and the system total power of heating unit.
Passage A has a plurality of (namely more than 2) separate heating zone, namely the electric heating element in thermoplastic stove is divided into many groups (heater block being positioned at each independent heating section is independently), and separately control, to increase the handiness of heating zone regulable control, improve the ability effectively ensureing temperature homogeneity simultaneously.In a specific embodiment, horizontal and longitudinal edge section heat loss is very fast, the heating power of the corresponding heater block of raising that can be suitable.
Online viscosity test device (viscosity sensor) is provided with, in order to determine that suitable range of viscosities starts glass stretching operation in thermoplastic stove; Thermoplastic stove, attemperator and in annealing device, be provided with online temperature testing device, to implement monitoring in real time to the temperature in respective region and temperature field and to make real-time adjustment accordingly; Online thickness of glass test set is provided with, in order to monitor the thickness of glass by heating zone aftershaping, to make the timely adjustment of processing unit accordingly in attemperator.
This device arranges hanging apparatus and stretching device, respectively to frit and the clamping of drawn glass goods, and drive traction by motor, and accurately control pulling speed respectively by corresponding function unit, to form corresponding speed proportional up and down, the thickness of formed glass carries out accurate control thus.
The control of this device realizes by control unit, namely lifts motor; Stretching motor; Heater block A(heating rod in thermoplastic stove or heater strip), temperature control sensor A and viscosity sensor; Heater block B(heating rod in attemperator or heater strip), temperature control sensor B and the proofing unit for testing soften glass thickness; Temperature control sensor C is all connected with control unit, and control unit is by existing techniques in realizing, and such as embedded system of the prior art, is not described further.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (8)
1. the accurate device for stretching of sheet glass, is characterized in that, comprising:
Thermoplastic stove, it has housing A, has for the passage A by hard glass in described housing A, is positioned at passage A side and is provided with heater block A, temperature control sensor A and viscosity sensor in described housing A;
Attemperator, it is located on the downside of described thermoplastic stove, described attemperator has housing B, there is in described housing B the channel B for soften glass, the outlet that the entrance that described channel B is positioned at top and passage A are positioned at bottom is connected, and described housing B is interior and be positioned at channel B side and be provided with heater block B, temperature control sensor B and the proofing unit for testing soften glass thickness;
Hanging apparatus, it is located at above described thermoplastic stove, and this device is used for hard glass to hang in thermoplastic stove;
Stretching device, it is located at below described attemperator, and described stretching device comprises stretching motor and two and to be arranged in parallel and for the draw roll of drawing soften glass, described stretching motor is connected with draw roll by web member;
Annealing device, it is located at described stretching device side, and described annealing device comprises anneal station and is laterally located at the deflector roll of this anneal station;
Cutting unit, it is located at described annealing device side, and described cutting unit comprises cutting bed and is located at cutting tool or the laser cutting device of cutting bed.
2. the accurate device for stretching of a kind of sheet glass according to claim 1, it is characterized in that: described passage A both sides are equipped with heater block A, described heater block A comprises the heating rod/heater strip being located at outside and the heat-conducting plate being located at inner side, described passage A has a plurality of separate heating zone, and the A/F that described passage A is positioned at top is corresponding with hard glass thickness.
3. the accurate device for stretching of a kind of sheet glass according to claim 1, is characterized in that: described temperature control sensor A is distributed in passage A side.
4. the accurate device for stretching of a kind of sheet glass according to claim 1, it is characterized in that: described viscosity sensor A is at least two, it is arranged along described passage A bearing of trend.
5. the accurate device for stretching of a kind of sheet glass according to claim 1, is characterized in that: described channel B both sides are equipped with heater block B, and described heater block B comprises the heating rod/heater strip being located at outside and the heat-conducting plate being located at inner side.
6. the accurate device for stretching of a kind of sheet glass according to claim 1, is characterized in that: described temperature control sensor B is distributed in channel B side.
7. the accurate device for stretching of a kind of sheet glass according to claim 1, it is characterized in that: described hanging apparatus comprises lifting platform, lifting motor, fixed pulley, lifting clamping device and hanger rope, lifting platform is located at by described lifting motor and fixed pulley, described hanger rope one end is connected with lifting motor, and the other end passes described fixed pulley and is connected with lifting clamping device.
8. the accurate device for stretching of a kind of sheet glass according to claim 1, is characterized in that: the passage A ingress of thermoplastic stove arranges upper cover, is covered with upper cover entrance on described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410005866.1A CN104761131A (en) | 2014-01-06 | 2014-01-06 | Precision drawing device for flat glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410005866.1A CN104761131A (en) | 2014-01-06 | 2014-01-06 | Precision drawing device for flat glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104761131A true CN104761131A (en) | 2015-07-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410005866.1A Pending CN104761131A (en) | 2014-01-06 | 2014-01-06 | Precision drawing device for flat glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104761131A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107021612A (en) * | 2017-06-06 | 2017-08-08 | 泰州市桥梓光电科技有限公司 | The manufacture device and its manufacture method of ultrafine diameter endoscope objective lens eyeglass |
| CN107337339A (en) * | 2016-04-28 | 2017-11-10 | 肖特股份有限公司 | The high method for reflecting thin glass substrate of production |
| CN115304253A (en) * | 2022-06-20 | 2022-11-08 | 杭州乾智坤达新材料科技有限公司 | Flexible glass production equipment and production process thereof |
| CN115710084A (en) * | 2022-11-03 | 2023-02-24 | 长飞光纤光缆股份有限公司 | Glass plate directional stretching device and stretching method |
| CN115724579A (en) * | 2022-11-03 | 2023-03-03 | 长飞光纤光缆股份有限公司 | Polarization glass stretching equipment |
-
2014
- 2014-01-06 CN CN201410005866.1A patent/CN104761131A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107337339A (en) * | 2016-04-28 | 2017-11-10 | 肖特股份有限公司 | The high method for reflecting thin glass substrate of production |
| CN107021612A (en) * | 2017-06-06 | 2017-08-08 | 泰州市桥梓光电科技有限公司 | The manufacture device and its manufacture method of ultrafine diameter endoscope objective lens eyeglass |
| CN115304253A (en) * | 2022-06-20 | 2022-11-08 | 杭州乾智坤达新材料科技有限公司 | Flexible glass production equipment and production process thereof |
| CN115304253B (en) * | 2022-06-20 | 2024-03-29 | 杭州乾智坤达新材料科技有限公司 | Flexible glass production equipment and production process thereof |
| CN115710084A (en) * | 2022-11-03 | 2023-02-24 | 长飞光纤光缆股份有限公司 | Glass plate directional stretching device and stretching method |
| CN115724579A (en) * | 2022-11-03 | 2023-03-03 | 长飞光纤光缆股份有限公司 | Polarization glass stretching equipment |
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Application publication date: 20150708 |
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| WD01 | Invention patent application deemed withdrawn after publication |