CN114671597A - Flat glass forming device and method combining rolling and floating - Google Patents
Flat glass forming device and method combining rolling and floating Download PDFInfo
- Publication number
- CN114671597A CN114671597A CN202210238894.2A CN202210238894A CN114671597A CN 114671597 A CN114671597 A CN 114671597A CN 202210238894 A CN202210238894 A CN 202210238894A CN 114671597 A CN114671597 A CN 114671597A
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- CN
- China
- Prior art keywords
- roller
- forming
- rolling
- float
- glass
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Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B13/00—Rolling molten glass, i.e. where the molten glass is shaped by rolling
- C03B13/18—Auxiliary means for rolling glass, e.g. sheet supports, gripping devices, hand-ladles, means for moving glass pots
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B18/00—Shaping glass in contact with the surface of a liquid
- C03B18/02—Forming sheets
- C03B18/04—Changing or regulating the dimensions of the molten glass ribbon
- C03B18/06—Changing or regulating the dimensions of the molten glass ribbon using mechanical means, e.g. restrictor bars, edge rollers
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B25/00—Annealing glass products
- C03B25/04—Annealing glass products in a continuous way
- C03B25/06—Annealing glass products in a continuous way with horizontal displacement of the glass products
- C03B25/08—Annealing glass products in a continuous way with horizontal displacement of the glass products of glass sheets
Abstract
The invention relates to the field of plate glass forming, in particular to a device and a method for forming plate glass by combining rolling and floating methods. The invention uses the flat glass forming device combining rolling and floating, because the rolling method is used to form the flat glass to primarily shape the thickness and width of the plate surface, the structure of the tin bath can reduce the natural flattening section, thereby reducing about 50% of the tin bath area and investment, and only a pair of upper and lower tooth edge rollers are needed to control the plate surface width, thus not only saving the investment of the float edge roller, but also greatly reducing the operation difficulty of independently adopting the float forming method.
Description
Technical Field
The invention relates to the field of sheet glass forming, in particular to a sheet glass forming device and a sheet glass forming method combining rolling and floating.
Background
The flat glass is also called white glass or clean glass, at present, when making the flat glass, it mainly uses two processes of rolling and floating, among them, the rolling flat glass forming process is that the glass is pressed and formed by upper and lower smooth rollers, its disadvantage is that the flat glass is pressed and formed, it is easy to produce rough surface on the surface of the glass, it is not smooth enough, the floating flat glass forming process is that the glass liquid is naturally flattened in the tin bath at about 1100 deg.C, then polished, drawn by edge roller and flat roller and thinned or deposited thickness cooled and solidified, its disadvantage is that the difficulty of forming operation is high, especially it is more difficult to produce ultra-thin glass (thickness is less than 2 mm), and the investment of tin bath is large, in view of this, we propose a flat glass forming device combining rolling and floating and its method, in order to solve, the edge roller has a long device setting, and large space occupation, the tin bath consumption is many, and glass long distance transport temperature can reduce, and glass's quality is unstable, and the surface is coarse, and the operation degree of difficulty is big, economic investment is high problem.
Disclosure of Invention
The invention aims to provide a flat glass forming device combining rolling and floating methods and a method thereof, so as to solve the problems in the background technology. In order to achieve the above object, the method comprises the following steps:
(1) Rolling and forming;
(2) and (4) forming by a float process.
Preferably, the rolling forming firstly sends the molten glass to a rolling device to be rolled to be fixed in thickness and width, and the float forming can spread and flatten the molten glass on the tin liquid surface to form the upper and lower surfaces to be flat and hardened.
The invention also provides the following technical scheme: the flat glass forming device and the method thereof combining rolling and floating comprise a kiln, an edge-drawing mechanism, a rolling forming mechanism and a floating forming mechanism, wherein a discharge hole is formed in one side of the kiln, the edge-drawing mechanism is arranged on one side of the discharge hole, and the rolling forming mechanism and the floating forming mechanism are arranged on the other side of the edge-drawing mechanism.
Preferably, the edge-drawing mechanism comprises a calendering roller, a limiting rod, an upper glazing roller, a lower glazing roller, a spring and a calendering base, the calendering base is erected on one side of the discharge port, the calendering roller, the upper glazing roller and the lower glazing roller are arranged on the calendering base, the limiting rod is arranged above the upper glazing roller, the spring is sleeved on the limiting rod, and the calendering forming mechanism is arranged on the other side of the calendering roller.
Preferably, the calendering and molding mechanism comprises a transition platform, a heat-insulating cover plate, a tin bath, an upper tooth edge drawer and a lower tooth edge drawer, the other side frame of the calendering roller is provided with the transition platform, the other end of the transition platform is provided with two groups of tin baths, the upper tooth edge drawer and the lower tooth edge drawer are arranged on the front side of the side edge of the tin bath, the other end of the transition platform extends between the upper tooth edge drawer and the lower tooth edge drawer, the heat-insulating cover plate is arranged above the transition platform, and the float molding mechanism is arranged above the tin bath.
Preferably, the float forming mechanism comprises a hydrogen combustion pipe, an upper tooth edge roller, a cooling water drum, a flat pull roller and an annealing furnace, the hydrogen combustion pipe is inserted on the side of the tin bath and is positioned obliquely above the upper tooth edge roller and the lower tooth edge roller, the upper tooth edge roller and the cooling water drum are respectively arranged on the two tin baths, the annealing furnace is fixed at the other end of the tin bath, and the flat pull roller is arranged in the annealing furnace.
Preferably, a sealing device is arranged between the transition platform and the pull-down roller.
Preferably, bearings are arranged at the joints of the upper and lower tooth edge rollers and the lower pull roller with the tin bath.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, the rolling and the floating methods are combined for production, and the requirement on the uniformity of the flat glass liquid formed by the rolling method is lower, so that the glass kiln can adopt a throat glass kiln type, the melting rate and the thermal efficiency of the glass kiln are improved by about 20 percent, and the economic benefit is improved.
In the invention, because the thickness and the width of the plate surface are primarily shaped by adopting the rolling method to form the flat glass, the structure of the tin bath can reduce the natural flattening section, thereby reducing about 50 percent of the area and the investment of the tin bath, and the width of the plate surface can be controlled only by a pair of upper and lower tooth edge rollers, thus not only saving the investment of a float edge roller, but also greatly reducing the operation difficulty of independently adopting the float forming method.
In the invention, good conditions are provided for producing thin glass and ultrathin glass, and the yield can be obviously improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the upper and lower tooth edgers and the position of the lower pull roll in the present invention;
FIG. 3 is a schematic view showing the structure of the glass flow direction in the present invention;
FIG. 4 is an enlarged view of A of FIG. 1 according to the present invention;
FIG. 5 is an enlarged view of B in FIG. 1 according to the present invention.
In the figure: 1. a kiln; 2. a discharge port; 3. a calender roll; 4. a limiting rod; 5. a sealing device; 6. a polishing roller; 7. a lower smooth roll; 8. a spring; 9. a transition platform; 10. a heat-insulating cover plate; 11. calendering the base; 12. a tin bath; 13. an upper tooth and a lower tooth edge roller; 14. a pull-down roller; 15. a hydrogen combustion tube; 16. a bearing; 17. a tooth-mounting edge roller; 18. cooling the water bag; 19. a horizontal drawing roller; 20. and (5) annealing the furnace.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution: a method for forming flat glass by combining rolling and floating is characterized by comprising the following steps:
(1) rolling and forming;
(2) and (4) forming by a float process.
The method can be used for processing plate glass and ultrathin glass (with the thickness of less than 2 mm), the rolling forming firstly sends the molten glass to rolling equipment for rolling to be fixed in thickness and width, and the float forming can spread and flatten the molten glass on the tin liquid surface to form the upper and lower surfaces to be flat and hardened.
The invention discloses a flat glass forming device combining rolling and floating, which comprises a kiln 1, an edge-drawing mechanism, a rolling forming mechanism and a floating forming mechanism, wherein a discharge port 2 is arranged on one side of the kiln 1, the edge-drawing mechanism is arranged on one side of the discharge port 2, and the rolling forming mechanism and the floating forming mechanism are arranged on the other side of the edge-drawing mechanism.
In this embodiment, the edge-drawing mechanism includes a calendering roller 3, a limiting rod 4, an upper smooth roller 6, a lower smooth roller 7, a spring 8 and a calendering base 11, the calendering base 11 is erected on one side of the discharge port 2, the calendering roller 3, the upper smooth roller 6 and the lower smooth roller 7 are arranged on the calendering base 11, the limiting rod 4 is arranged above the upper smooth roller 6, the limiting rod 4 is sleeved with the spring 8, and the calendering forming mechanism is arranged on the other side of the calendering roller 3.
In this embodiment, the calendering and molding mechanism includes a transition platform 9, a heat-insulating cover plate 10, a tin bath 12, an upper tooth edge drawer 13, a lower tooth edge drawer 13 and a pull-down roller 14, the transition platform 9 is disposed on the other side frame of the calendering roller 3, two groups of tin baths 12 are erected at the other end of the transition platform 9, the upper tooth edge drawer 13 and the lower tooth edge drawer 14 are disposed on the front surface of the side edge of the tin bath 12, the other end of the transition platform 9 extends between the upper tooth edge drawer 13 and the lower tooth edge drawer 14, the heat-insulating cover plate 10 is disposed above the transition platform 9, and a float molding mechanism is disposed above the tin bath 12.
In this embodiment, the float forming mechanism includes a hydrogen combustion tube 15, an upper tooth edge roller 17, a cooling water drum 18, a flat pull roller 19 and an annealing furnace 20, the hydrogen combustion tube 15 is inserted on the side of the tin bath 12, the hydrogen combustion tube 15 is located obliquely above the upper tooth edge roller 13 and the lower tooth edge roller 13, the upper tooth edge roller 17 and the cooling water drum 18 are respectively arranged on the two tin baths 12, the annealing furnace 20 is fixed at the other end of the tin bath 12, and the flat pull roller 19 is arranged in the annealing furnace 20.
In this embodiment, a sealing device 5 is arranged between the transition platform 9 and the pull-down roll 14.
In this embodiment, bearings 16 are provided at the joints between the upper and lower tooth edgers 13 and the pull-down rolls 14 and the tin bath 12.
The invention has the advantages that: the flat glass forming device combining the rolling and floating processes has the working process as follows:
glass raw materials are put into a kiln 1 and heated by the kiln 1 to be melted into liquid glass, the glass liquid is sent to a calendaring forming mechanism through a discharge port 2 so as to provide melted glass liquid (1100 ℃ glass liquid), an upper smooth roll 6 and a lower smooth roll 7 on the calendaring forming mechanism press the glass liquid so as to form flat glass, the flat glass is sent to a tin bath 12 through a transition platform 9, an upper tooth edge roller 13, a lower tooth edge roller 14 and a flat drawing machine are matched to operate in the process of sending the flat glass to the tin bath 12 so as to ensure the thickness and the width of the flat glass, the pressed flat glass (about 700 ℃) is heated in the tin bath 12 through a hydrogen combustion pipe 15, the flat glass is heated to be more than 800 ℃ so as to eliminate the impression formed by calendaring, then polishing and re-thinning are carried out so as to meet the polishing requirement, and the edge-drawing treatment is carried out through an upper tooth edge roller 17, the cooling water bag 18 is used for cooling, the plate glass is pulled out by the flat pull roller 19 after being solidified and enters the annealing furnace 20 for annealing, the heat loss of the plate glass is reduced by the heat-insulating cover plate 10, the sealing piece prevents the protective gas in the tin bath 12 from flowing out, the hydrogen combustion pipe 15 can seal the through hole on the tin bath 12 to prevent the protective gas from flowing out of the tin bath 12, meanwhile, the plate glass can be heated, the rolling and the floating method are combined for production, the requirement on the uniformity of the plate glass liquid formed by the rolling method is lower, so the glass kiln can adopt a throat glass kiln type, the melting rate and the heat efficiency of the glass kiln are improved by about 20 percent, the economic benefit is improved, as the plate glass formed by the rolling method is firstly adopted to preliminarily set the thickness and the width of the plate surface, the structure of the tin bath can reduce natural leveling sections, thereby reducing the area and the investment of the tin bath by about 50 percent, and the width of the plate surface can be controlled only by a pair of upper and lower tooth edge rollers, so that the investment of the float edge roller is saved, the operation difficulty of independently adopting a float forming method is greatly reduced, particularly, good conditions are provided for producing thin glass and ultrathin glass, and the yield can be obviously improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Claims (8)
1. A method for forming flat glass by combining rolling and floating is characterized by comprising the following steps:
(1) rolling and forming;
(2) and (4) forming by a float process.
2. A method of forming flat glass by a combination of calendering and float processes as claimed in claim 1, wherein: the rolling forming is to send the glass liquid to rolling equipment for rolling, the rolling forming is to press the glass liquid into a fixed thickness and a fixed width, and the float forming can spread and flatten the glass liquid on the tin liquid surface to form the upper and lower surfaces to be flat and hardened.
3. A flat glass forming apparatus using the combination of the rolling and float processes as set forth in claim 1, comprising a furnace (1), a roll forming mechanism and a float forming mechanism, wherein: the device is characterized in that a discharge hole (2) is formed in one side of the kiln (1), an edge-drawing mechanism is arranged on one side of the discharge hole (2), and a calendaring forming mechanism and a float forming mechanism are arranged on the other side of the edge-drawing mechanism.
4. A combined rolling and float glass forming apparatus as claimed in claim 3, wherein: the edge-drawing mechanism comprises a calendering roller (3), a limiting rod (4), an upper glazing roller (6), a lower smoothing roller (7), a spring (8) and a calendering base (11), wherein the calendering base (11) is erected on one side of the discharge port (2), the calendering base (11) is provided with the calendering roller (3), the upper glazing roller (6) and the lower smoothing roller (7), the limiting rod (4) is arranged above the upper glazing roller (6), the limiting rod (4) is sleeved with the spring (8), and the other side of the calendering roller (3) is provided with a calendering forming mechanism.
5. A combined rolling and float glass forming apparatus as claimed in claim 4, wherein: the device is characterized in that the calendaring forming mechanism comprises a transition platform (9), a heat-insulating cover plate (10), a tin bath (12), upper and lower tooth edge rollers (13) and a lower pull roller (14), wherein the transition platform (9) is arranged on the other side frame of the calendaring roller (3), two groups of tin baths (12) are erected at the other end of the transition platform (9), the upper and lower tooth edge rollers (13) and the lower pull roller (14) are arranged on the front side of the side edge of each tin bath (12), the other end of the transition platform (9) extends between the upper and lower tooth edge rollers (13) and the lower pull roller (14), the heat-insulating cover plate (10) is arranged above the transition platform (9), and a float forming mechanism is arranged above each tin bath (12).
6. A combined rolling and float glass forming apparatus as claimed in claim 5, wherein: the float forming mechanism comprises a hydrogen combustion tube (15), an upper tooth edge roller (17), a cooling water drum (18), a flat pull roller (19) and an annealing furnace (20), wherein the hydrogen combustion tube (15) is inserted on the side of the tin bath (12), the hydrogen combustion tube (15) is positioned above the upper tooth edge roller (13) and the lower tooth edge roller (13) in an inclined manner, the upper tooth edge roller (17) and the cooling water drum (27) are respectively arranged on the tin bath (12), the other end of the tin bath (12) is fixed with the annealing furnace (20), and the flat pull roller (19) is arranged in the annealing furnace (20).
7. A combined rolling and float glass forming apparatus as claimed in claim 5, wherein: and a sealing device (5) is arranged between the transition platform (9) and the pull-down roller (14).
8. A combined rolling and float glass forming apparatus as claimed in claim 5, wherein: and bearings (16) are arranged at the joints of the upper and lower tooth edge rollers (13), the lower pull roll (14) and the tin bath (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210238894.2A CN114671597A (en) | 2022-03-11 | 2022-03-11 | Flat glass forming device and method combining rolling and floating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210238894.2A CN114671597A (en) | 2022-03-11 | 2022-03-11 | Flat glass forming device and method combining rolling and floating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114671597A true CN114671597A (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210238894.2A Pending CN114671597A (en) | 2022-03-11 | 2022-03-11 | Flat glass forming device and method combining rolling and floating |
Country Status (1)
| Country | Link |
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| CN (1) | CN114671597A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1244969A (en) * | 1968-10-15 | 1971-09-02 | Zd Avtosteklo | A method of an apparatus for producing sheet glass crystalline material from a glass band |
| CN1752039A (en) * | 2005-07-27 | 2006-03-29 | 段合超 | Method of producing transparent float wire glass using calendering and floating technology |
| CN1762867A (en) * | 2004-10-18 | 2006-04-26 | 中国凯盛国际工程有限公司 | Thermal state interchange method of rolling process and flotation process |
| CN2828031Y (en) * | 2005-07-27 | 2006-10-18 | 段合超 | Production line of rolled float wire glass |
| CN202131205U (en) * | 2011-07-05 | 2012-02-01 | 河南思可达光伏材料股份有限公司 | Double-calendering glass calender |
| DE102014003257A1 (en) * | 2014-03-12 | 2015-09-17 | Calsitherm Verwaltungs Gmbh | Apparatus for the production of flat glass. |
| CN111777318A (en) * | 2020-07-10 | 2020-10-16 | 蚌埠凯盛工程技术有限公司 | Solar photovoltaic patterned glass forming equipment and process |
| CN113024121A (en) * | 2021-04-26 | 2021-06-25 | 赵国祥 | Microcrystalline glass plate production process |
-
2022
- 2022-03-11 CN CN202210238894.2A patent/CN114671597A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1244969A (en) * | 1968-10-15 | 1971-09-02 | Zd Avtosteklo | A method of an apparatus for producing sheet glass crystalline material from a glass band |
| CN1762867A (en) * | 2004-10-18 | 2006-04-26 | 中国凯盛国际工程有限公司 | Thermal state interchange method of rolling process and flotation process |
| CN1752039A (en) * | 2005-07-27 | 2006-03-29 | 段合超 | Method of producing transparent float wire glass using calendering and floating technology |
| CN2828031Y (en) * | 2005-07-27 | 2006-10-18 | 段合超 | Production line of rolled float wire glass |
| CN202131205U (en) * | 2011-07-05 | 2012-02-01 | 河南思可达光伏材料股份有限公司 | Double-calendering glass calender |
| DE102014003257A1 (en) * | 2014-03-12 | 2015-09-17 | Calsitherm Verwaltungs Gmbh | Apparatus for the production of flat glass. |
| CN111777318A (en) * | 2020-07-10 | 2020-10-16 | 蚌埠凯盛工程技术有限公司 | Solar photovoltaic patterned glass forming equipment and process |
| CN113024121A (en) * | 2021-04-26 | 2021-06-25 | 赵国祥 | Microcrystalline glass plate production process |
Non-Patent Citations (1)
| Title |
|---|
| 于培霞等: "《大型浮法玻璃生产装置及其施工》", 中国轻工业出版社, pages: 50 - 57 * |
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