CN104843981A - Automatic heating control method in glass hot bending molding process - Google Patents
Automatic heating control method in glass hot bending molding process Download PDFInfo
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- CN104843981A CN104843981A CN201510164767.2A CN201510164767A CN104843981A CN 104843981 A CN104843981 A CN 104843981A CN 201510164767 A CN201510164767 A CN 201510164767A CN 104843981 A CN104843981 A CN 104843981A
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Abstract
The present invention discloses an automatic heating control method in glass hot bending molding process. The method comprises the steps of: (1) establishing a heating matrix, which stores control parameters of each heating unit the heat under different temperatures of different types of glass in the hot bending molding process; (2) determining the model of the glass in the hot bending molding process and conducting real-time detection on the current temperature in a hot bending furnace; (3) finding the corresponding control parameters from the heating matrix based on the glass model and the current temperature; and (4) adjusting the current status of each heating unit according to the found control parameters. Compared with the prior art, the invention achieves automatic heating control in the hot bending molding process, and automatic call of idle control parameters in accordance with the current temperature improves precision in glass production, and realizes higher degree of bonding of the glass and the mold in the heating process, thus the method can be applied to hot bending molding of different types of glass.
Description
Technical field
The present invention relates to glass bend field shaping technique, relate to the heating autocontrol method in a kind of glass bending moulding process more specifically.
Background technology
Heat-bending glass is the quality requirements in order to meet modern architecture, curved softening, shaping in a mold by high-quality glass heats, then through the bend glass made of annealing.Pattern is attractive in appearance, and the lines flow smoothly.It breaches the unicity of sheet glass, uses more versatile and flexible.Heat-bending glass is in bending furnace, allow sheet glass secondary temperature elevation to during close to softening temperature, and under self gravitation effect, distortion or employing physical construction are bent and is out of shape, by the shape of the mould made in advance.Wherein be provided with the heating region formed by multiple horizontal and vertical heating unit in bending furnace, each heating unit is to there being a switch, at present when carrying out glass bending and being shaping, be power by arranging horizontal and vertical heating unit in bending furnace and that glass is heated on mould is shaping by gravity.
But, the normally disposable setting of power setting of above-mentioned heating unit, namely the power of each heating unit is set at initial time, all the time carry out heating until the hot bending end of processing of glass with the power of setting afterwards, but be difficult to by disposable power setting the glassy product obtaining depth ratio comparatively large (namely crooked radian is larger).Concrete, above-mentioned control mode is adopted to carry out controlling easily to make the curved arc radian deviation of the bent arc radius of the heat-bending glass prepared and expection larger for the product that depth ratio is larger, poor with mould laminating degree, thus the heat-bending glass of preparation cannot be installed, and does not reach design requirements.
Therefore, a kind of shaping heating autocontrol method of various model glass bending that is applicable to is badly in need of to overcome above-mentioned defect.
Summary of the invention
The object of the present invention is to provide the heating autocontrol method in a kind of glass bending moulding process, with by improve glass bending shaping in the control of each heating unit realized to the hot bending of the glass to various model.
For achieving the above object, the invention provides the heating autocontrol method in a kind of glass bending moulding process, comprising:
(1) set up heating matrix, in described heating matrix, store glass each heating unit controling parameters under differing temps in hot bending process of different model;
(2) determine to carry out the glass model of hot bending process and the Current Temperatures in real-time detection bending furnace;
(3) from described heating matrix, corresponding described controling parameters is searched according to the model of described glass and Current Temperatures;
(4) current state of each described heating unit is regulated according to the described controling parameters found.
Compared with prior art, heating autocontrol method in glass bending moulding process of the present invention, first the heating matrix that stores glass each heating unit controling parameters under differing temps in hot bending process of different model is set up, afterwards in the hot bending process of glass, the heating control system of bending furnace detects Current Temperatures in bending furnace in real time and the glass model of carrying out hot bending process according to current and Current Temperatures search corresponding controling parameters, and then the current state of each heating unit is regulated according to controling parameters, the heating achieved in hot bending process controls automatically, and it is higher to improve the production precision of glass according to the no controling parameters of Current Temperatures Automatically invoked, make the laminating degree of glass and mould in heat-processed higher, and then go for the hot bending of glass of different model.
Preferably, step (1) specifically comprises:
(11) the hot bending process of the glass of arbitrary model is divided into multiple continuous print stage according to temperature variation;
(12) controling parameters of each described heating unit in the stage described in each is set gradually;
(13) repeating step (11) is to step (12) until complete the setting of glass controling parameters described in hot bending process of each model and set up described heating matrix.
Preferably, described controling parameters is the heating power of described heating unit.
Preferably, step (11) is specially:
Described hot bending process is divided into initial heat-up stage, temperature rise period and thermostatically heating stage, wherein said initial heat-up stage is temperature in described bending furnace is risen to softening point temperature stage by initial temperature, the described temperature rise period is temperature in described bending furnace is risen to steady temperature stage by described softening point temperature, and the described thermostatically heating stage is carry out stage of heating with described steady temperature.
Preferably, the model of described glass is relevant with degree of crook with the size of described glass.
By following description also by reference to the accompanying drawings, the present invention will become more clear, and these accompanying drawings are for explaining embodiments of the invention.
Accompanying drawing explanation
Fig. 1 is the schema of heating autocontrol method one embodiment in glass bending moulding process of the present invention.
Fig. 2 is the sub-process figure of step S101 in Fig. 1.
Embodiment
With reference now to accompanying drawing, describe embodiments of the invention, element numbers similar in accompanying drawing represents similar element.
Please refer to Fig. 1, the heating autocontrol method in glass bending moulding process of the present invention comprises the following steps:
Step S101, sets up heating matrix, stores glass each heating unit controling parameters under differing temps in hot bending process of different model in heating matrix;
Wherein glass model and glass size (length and width, thick etc.) and degree of crook (crooked radian of glass) etc. are relevant, the glass of different model needs to arrange different controling parameters to each heating unit in hot bending process, in the present embodiment, controling parameters is the heating power of heating unit (heater strip), control according to the temperature that controling parameters regulates each heating unit namely can realize in bending furnace, certainly, the controling parameters of heating unit can also be the parameters such as heat-up time;
Step S102, determines to carry out the glass model of hot bending process and the Current Temperatures in real-time detection bending furnace;
Step S103, searches corresponding controling parameters according to glass model and Current Temperatures from heating matrix;
Step S104, regulates the current state of each heating unit according to the controling parameters found.
Concrete, as shown in Figure 2, step S101 comprises the following steps:
Step S1011, is divided into multiple continuous print stage by the hot bending process of the glass of arbitrary model according to temperature variation;
Concrete, hot bending process can be divided into initial heat-up stage, temperature rise period and thermostatically heating stage, wherein initial heat-up stage is temperature in bending furnace is risen to the softening point temperature of glass process by initial temperature, temperature rise period is temperature in bending furnace is risen to steady temperature (being pre-set by operator) process by softening point temperature, and the thermostatically heating stage is carry out with above-mentioned steady temperature the process that heats.Certainly, according to the model of glass, corresponding hot bending process can also be divided into the more stage, as 5 or 6 stages etc., and it is meticulousr to the division of hot bending process (heat-processed), then the heating accuracy of glass is higher, the glass that heating obtains and mould are more fitted, and namely glass quality is better.
Step S1012, sets gradually the controling parameters of each heating unit in every one-phase; Namely the controling parameters of each heating unit in initial heat-up stage, temperature rise period and thermostatically heating stage is set respectively;
Controling parameters until complete the setting of glass controling parameters in hot bending process of each model, and stores and obtains above-mentioned heating matrix by step S1013, repeating step S1011 to step S1012 in the matrix form.
Compared with prior art, heating autocontrol method in glass bending moulding process of the present invention, first the hot bending process of the glass of each model is divided into multiple stage according to temperature variation, set gradually the controling parameters of each heating unit in each stage and controling parameters stored in a matrix fashion thus obtains a heating matrix, afterwards in the hot bending process of glass, the heating control system of bending furnace detects Current Temperatures in bending furnace in real time and the glass model of carrying out hot bending process according to current and Current Temperatures search corresponding controling parameters, and then the current state of each heating unit is regulated according to controling parameters, the heating achieved in hot bending process controls automatically, and it is higher to improve the production precision of glass according to the no controling parameters of Current Temperatures Automatically invoked, make the laminating degree of glass and mould in heat-processed higher, and then go for the hot bending of glass of different model.
More than in conjunction with most preferred embodiment, invention has been described, but the present invention is not limited to the embodiment of above announcement, and should contain various carry out according to essence of the present invention amendment, equivalent combinations.
Claims (5)
1. the heating autocontrol method in glass bending moulding process, is characterized in that, comprise the following steps:
(1) set up heating matrix, in described heating matrix, store glass each heating unit controling parameters under differing temps in hot bending process of different model;
(2) determine to carry out the glass model of hot bending process and the Current Temperatures in real-time detection bending furnace;
(3) from described heating matrix, corresponding described controling parameters is searched according to the model of described glass and Current Temperatures;
(4) current state of each described heating unit is regulated according to the described controling parameters found.
2. the heating autocontrol method in glass bending moulding process as claimed in claim 1, it is characterized in that, step (1) specifically comprises:
(11) the hot bending process of the glass of arbitrary model is divided into multiple continuous print stage according to temperature variation;
(12) controling parameters of each described heating unit in the stage described in each is set gradually;
(13) repeating step (11) is to step (12) until complete the setting of glass controling parameters described in hot bending process of each model and set up described heating matrix.
3. the heating autocontrol method in glass bending moulding process as claimed in claim 1 or 2, it is characterized in that, described controling parameters is the heating power of described heating unit.
4. the heating autocontrol method in glass bending moulding process as claimed in claim 2, it is characterized in that, step (11) is specially:
Described hot bending process is divided into initial heat-up stage, temperature rise period and thermostatically heating stage, wherein said initial heat-up stage is temperature in described bending furnace is risen to softening point temperature stage by initial temperature, the described temperature rise period is temperature in described bending furnace is risen to steady temperature stage by described softening point temperature, and the described thermostatically heating stage is carry out stage of heating with described steady temperature.
5. the heating autocontrol method in glass bending moulding process as claimed in claim 1, it is characterized in that, the model of described glass is relevant with degree of crook to the size of described glass.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510164767.2A CN104843981A (en) | 2015-04-08 | 2015-04-08 | Automatic heating control method in glass hot bending molding process |
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| CN201510164767.2A CN104843981A (en) | 2015-04-08 | 2015-04-08 | Automatic heating control method in glass hot bending molding process |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932430A (en) * | 2017-03-17 | 2017-07-07 | 四川旭虹光电科技有限公司 | The determination method of 3D bend glass hot bending temperature parameters |
| CN108929027A (en) * | 2017-05-27 | 2018-12-04 | 蓝思科技（长沙）有限公司 | A kind of glass heat bender and its hot bending process |
| WO2021057843A1 (en) * | 2019-09-26 | 2021-04-01 | Saint-Gobain Glass France | Method, device, and system for glass bending |
| EP3929671A1 (en) | 2020-06-26 | 2021-12-29 | Saint-Gobain Glass France | Method for adjusting at least one parameter of glass forming furnace to manufacture a glass article |
| CN114455817A (en) * | 2021-04-13 | 2022-05-10 | 杭州欣海卫浴有限公司 | Temperature monitoring system of glass hot bending furnace |
| WO2022251093A1 (en) * | 2021-05-24 | 2022-12-01 | Corning Incorporated | Converter systems and methods for controlling operation of glass tube converting processes |
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| JPH11199254A (en) * | 1998-01-05 | 1999-07-27 | Asahi Glass Co Ltd | Heating temperature controller for glass plate bending device |
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| US20070107468A1 (en) * | 2005-10-29 | 2007-05-17 | Clemens Kunisch | Roller-equipped annealing LEHR |
| CN100498622C (en) * | 2005-01-17 | 2009-06-10 | 欧姆龙株式会社 | Temperature control method, temperature controller, heat treatment device and method |
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2015
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Patent Citations (5)
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| JPH11199254A (en) * | 1998-01-05 | 1999-07-27 | Asahi Glass Co Ltd | Heating temperature controller for glass plate bending device |
| JP2001354440A (en) * | 2000-06-12 | 2001-12-25 | Asahi Glass Co Ltd | Glass sheet bending device and temperature control method for heater |
| JP2006083038A (en) * | 2004-09-17 | 2006-03-30 | Nippon Sheet Glass Co Ltd | Heating controller for glass forming apparatus and glass forming method |
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| US20070107468A1 (en) * | 2005-10-29 | 2007-05-17 | Clemens Kunisch | Roller-equipped annealing LEHR |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932430A (en) * | 2017-03-17 | 2017-07-07 | 四川旭虹光电科技有限公司 | The determination method of 3D bend glass hot bending temperature parameters |
| CN106932430B (en) * | 2017-03-17 | 2019-10-29 | 四川旭虹光电科技有限公司 | The determination method of 3D bend glass hot bending temperature parameter |
| CN108929027A (en) * | 2017-05-27 | 2018-12-04 | 蓝思科技（长沙）有限公司 | A kind of glass heat bender and its hot bending process |
| CN108929027B (en) * | 2017-05-27 | 2021-05-25 | 蓝思科技（长沙）有限公司 | Glass hot bending machine and hot bending process thereof |
| WO2021057843A1 (en) * | 2019-09-26 | 2021-04-01 | Saint-Gobain Glass France | Method, device, and system for glass bending |
| EP3929671A1 (en) | 2020-06-26 | 2021-12-29 | Saint-Gobain Glass France | Method for adjusting at least one parameter of glass forming furnace to manufacture a glass article |
| WO2021259836A1 (en) | 2020-06-26 | 2021-12-30 | Saint-Gobain Glass France | Method for adjusting at least one parameter of glass forming furnace to manufacture a glass article |
| CN114455817A (en) * | 2021-04-13 | 2022-05-10 | 杭州欣海卫浴有限公司 | Temperature monitoring system of glass hot bending furnace |
| CN114455817B (en) * | 2021-04-13 | 2023-10-31 | 杭州欣海卫浴有限公司 | Glass hot bending furnace temperature monitoring system |
| WO2022251093A1 (en) * | 2021-05-24 | 2022-12-01 | Corning Incorporated | Converter systems and methods for controlling operation of glass tube converting processes |
| US12060295B2 (en) | 2021-05-24 | 2024-08-13 | Corning Incorporated | Converter systems and methods for controlling operation of glass tube converting processes |
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Application publication date: 20150819 |
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