CN203639325U - Precision drawing device for flat glass - Google Patents
Precision drawing device for flat glass Download PDFInfo
- Publication number
- CN203639325U CN203639325U CN201420006114.2U CN201420006114U CN203639325U CN 203639325 U CN203639325 U CN 203639325U CN 201420006114 U CN201420006114 U CN 201420006114U CN 203639325 U CN203639325 U CN 203639325U
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- Prior art keywords
- stretching
- passage
- sheet glass
- glass
- heater block
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- Expired - Lifetime
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- 239000005357 flat glass Substances 0.000 title claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 43
- 239000011521 glass Substances 0.000 claims abstract description 41
- 238000000137 annealing Methods 0.000 claims abstract description 16
- 229920001169 thermoplastic Polymers 0.000 claims description 24
- 239000004416 thermosoftening plastic Substances 0.000 claims description 24
- 238000012360 testing method Methods 0.000 claims description 7
- 238000003698 laser cutting Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000004886 process control Methods 0.000 abstract description 2
- 238000007496 glass forming Methods 0.000 abstract 2
- 238000009827 uniform distribution Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
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- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The utility model 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. According to the precision drawing device disclosed by the utility model, 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 utility model relates to the accurate device for stretching of a kind of sheet glass, relates to glass second heat forming field.
Background technology
At present, the industries such as number, demonstration, touch-screen and glass reinforced panel have larger demand to the sheet glass product of thinner thickness, and this type of material of supplying on market is many from foreign vendor, selecting the aspects such as handiness, cost performance, supply handiness to be all short of to some extent, cannot well 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 invent a kind of high flexibility ratio, high-level efficiency, the accurate drawing work of glass secondary and relevant device cheaply, can provide an effective solution 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 that is used for fibre-optical drawing or other micro-optics devices is produced, be confined to breadth for the use of sheet glass little, the problems such as formed precision is low, cannot application in the above-mentioned middle-and high-end applications field of mentioning.
Utility model content
The problems referred to above that exist in order to solve prior art, the utility model provides a kind of sheet glass accurate device for stretching, and object is to improve surface finish, the smooth finish of secondary drawing thermoforming sheet glass, increases panel amplitude simultaneously.
To achieve these goals, the utility model 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 by the passage A of hard glass, in described housing A and be positioned at passage A side and be provided with heater block A, temperature control sensor A and viscosity sensor in described housing A;
Attemperator, it is located at described thermoplastic stove downside, described attemperator has housing B, in described housing B, there is the channel B for soften glass, the entrance that described channel B is positioned at top is connected with the outlet that passage A is positioned at bottom, and described housing B is interior and be positioned at that channel B side is provided with heater block B, temperature control sensor B and for testing the proofing unit of soften glass thickness;
Hanging apparatus, it is located at described thermoplastic stove top, and this device is for hanging in hard glass in thermoplastic stove;
Stretching device, it is located at described attemperator below, and described stretching device comprises that stretching motor and two is 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 heat-conducting plate of being located at the heating rod/heater strip in outside and being located at inner side, described passage A has a plurality of separate heating zones, 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 heat-conducting plate of being located at the heating rod/heater strip in outside and 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, described lifting motor and fixed pulley are located at lifting platform, described hanger rope one end with lifting motor is connected, the other end through described fixed pulley and with lift clamping device be connected.
Further, the passage A ingress of thermoplastic stove arranges upper cover, is covered with upper cover entrance on described.
Compared to existing technology, the utlity model has following advantage:
(1) the utility model is introduced attemperator and annealing device after heating zone, effectively controls and reduces the various stress that produce in glass ware forming process;
(2) the utility model, by upper cover being set in thermoplastic stove, effectively avoids heat to run off fast, and passage A is divided into multiple heating zones, and subregion control heating unit, guarantees that in heating zone, thermal field is uniformly distributed;
(3) the utility model, by introducing temperature, viscosity and thickness of glass monitoring component, effectively carries out process control to glass ware forming technique.
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 Fig. 1～4, the accurate device for stretching of a kind of sheet glass, comprise thermoplastic stove 2, it has housing A21, in described housing A, have for by the passage A of hard glass, in described housing A and be positioned at passage A side and be provided with heater block A22, temperature control sensor A24 and viscosity sensor 23, temperature control sensor A is distributed in passage A side (being 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 heat-conducting plate of being located at the heating rod/heater strip in outside and being located at inner side, described passage A has a plurality of separate heating zones, and the A/F that described passage A is positioned at top is corresponding with hard glass thickness.
Thermoplastic stove downside arranges attemperator 3, described attemperator has housing B31, in described housing B, have for by the channel B of soften glass, the entrance that described channel B is positioned at top is connected with the outlet that passage A is positioned at bottom, in described housing B and be positioned at that channel B side (side of channel B) is provided with heater block B32, temperature control sensor B33 and for testing the proofing unit of soften glass thickness, 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 heat-conducting plate of being located at the heating rod/heater strip in outside and being located at inner side.
Thermoplastic stove top arranges hanging apparatus 1, and this device is for hanging in hard glass 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, described lifting motor and fixed pulley are located at lifting platform, described hanger rope one end with lifting motor is connected, the other end through described fixed pulley and with lift clamping device be connected
Attemperator below arranges stretching device 4, and described stretching device comprises that stretching motor and two is 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, is also provided with temperature control sensor C on annealing device 5.
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.
More than thicker frit is loaded into heating zone (thermoplastic stove), and put down a small amount of through heating zone by traction electric machine (lifting motor), it is softening that heating zone starts to be heated to glass, by detecting Heating Zone Temperature and glass viscosity, start glass draw technological process, top traction electric machine is broadcasted frit downwards with slower speed, stretching motor in bottom draws soften glass downwards and becomes with speed faster and makes it attenuation, in turn by extending the final cooling forming in cooling area (attemperator) and online annealed zone (annealing device), and online cut-out of device to be cut becomes glass flake material.
This device extends temperature controlled region by introducing, effectively avoid in traditional technology the temperature decrease of the even thousands of degree of hundreds of degree from heating zone to room-temperature zone by drawing glass, reduced vitreum stress and surface stress gathering or amplification that thermal shocking causes, the glass after favourable moulding forms good surperficial face shape.
The thermoplastic stove mainly heat-conducting plate of the composite structure by two parallel placements forms heating zone (this heating zone is passage A, be used for passing through starting material), heat-conducting plate outer wall guarantees to be close to heater strip or the heating rod of setting, the heat that heater strip or heating rod are sent is transmitted in heating zone uniformly, the housing A with insulation effect guarantee temperature field in heating zone less be subject to ectocine.
The transverse width of two heat-conducting plates is 100～5000mm, wherein more than at least 50% zone maintenance ± 3 are spent with interior temperature accuracy, to guarantee that heatable frit and final molding sheet glass have larger fabric width, utilising efficiency the broaden application field of sheet glass after raising moulding.
In embodiment, the edge of two heat-conducting plate widths can arrange the shorter heat-conducting plate being connected with two plates in addition, forms the heating zone of sealing, to guarantee that scope larger in whole heating zone has more uniform thermal field and distributes.The heat-conducting plate profile arranging in addition can be plane or concave surface, specifically depends on heating zone entirety thermal field design.
Especially, the top of thermoplastic stove is provided with upper cover 25, and its opening (being upper cover entrance 251) size is adjustable, only holds the thickness that sheet glass can pass through.Because heat always easily runs off up, so increase upper cover insulation, can contribute to control Uniformity of Temperature Field in heating zone, and reduce heating power and the system total power of heating unit.
Separate heating zone that passage A has a plurality of (more than 2), be that electric heating element in thermoplastic stove is divided into many groups (heater blocks that are positioned at each independent heating section for independently), and separately control, regulate to increase heating zone the handiness of controlling, improve the ability that effectively guarantees temperature homogeneity simultaneously.In 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.
In thermoplastic stove, be provided with online viscosity test device (viscosity sensor), in order to determine that suitable range of viscosities starts glass stretching operation; Thermoplastic stove, attemperator and in annealing device, be provided with online temperature testing device, to implement monitoring in real time and make accordingly real-time adjustment temperature and temperature field in region separately; In attemperator, be provided with online thickness of glass test set, in order to monitoring by the thickness of glass of heating zone aftershaping, to make accordingly the timely adjustment of processing unit.
This device arranges hanging apparatus and stretching device, respectively frit and drawn glass goods are clamped, and drive traction by motor, and accurately control respectively pulling speed by corresponding function unit, to form corresponding upper and lower speed proportional, the thickness of formed glass carries out accurate control thus.
The control of this device can realize by control unit, lifts motor; Stretching motor; Heater block A(heating rod or heater strip in thermoplastic stove), temperature control sensor A and viscosity sensor; Heater block B(heating rod or heater strip in attemperator), temperature control sensor B and for testing the proofing unit of soften glass thickness; Temperature control sensor C is all connected with control unit, and control unit can pass through existing techniques in realizing, and for example embedded system of the prior art, is not described further.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (8)
1. the accurate device for stretching of sheet glass, is characterized in that, comprising:
Thermoplastic stove, it has housing A, has for by the passage A of hard glass, in described housing A and be positioned at passage A side and be provided with heater block A, temperature control sensor A and viscosity sensor in described housing A;
Attemperator, it is located at described thermoplastic stove downside, described attemperator has housing B, in described housing B, there is the channel B for soften glass, the entrance that described channel B is positioned at top is connected with the outlet that passage A is positioned at bottom, and described housing B is interior and be positioned at that channel B side is provided with heater block B, temperature control sensor B and for testing the proofing unit of soften glass thickness;
Hanging apparatus, it is located at described thermoplastic stove top, and this device is for hanging in hard glass in thermoplastic stove;
Stretching device, it is located at described attemperator below, and described stretching device comprises that stretching motor and two is 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 heat-conducting plate of being located at the heating rod/heater strip in outside and being located at inner side, described passage A has a plurality of separate heating zones, 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, is characterized in that: described viscosity sensor A is at least two, and 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 heat-conducting plate of being located at the heating rod/heater strip in outside and 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, described lifting motor and fixed pulley are located at lifting platform, described hanger rope one end with lifting motor is connected, the other end through described fixed pulley and with lift clamping device be connected.
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 |
|---|---|---|---|
| CN201420006114.2U CN203639325U (en) | 2014-01-06 | 2014-01-06 | Precision drawing device for flat glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420006114.2U CN203639325U (en) | 2014-01-06 | 2014-01-06 | Precision drawing device for flat glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203639325U true CN203639325U (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420006114.2U Expired - Lifetime CN203639325U (en) | 2014-01-06 | 2014-01-06 | Precision drawing device for flat glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203639325U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104310766B (en) * | 2014-09-24 | 2017-09-05 | 河北省沙河玻璃技术研究院 | A kind of heating furnace for second melting farad flexible glass processed |
-
2014
- 2014-01-06 CN CN201420006114.2U patent/CN203639325U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104310766B (en) * | 2014-09-24 | 2017-09-05 | 河北省沙河玻璃技术研究院 | A kind of heating furnace for second melting farad flexible glass processed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140611 |
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| CX01 | Expiry of patent term |