CN101348326B - Continuous production method and apparatus for vacuum glass - Google Patents

Continuous production method and apparatus for vacuum glass Download PDF

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Publication number
CN101348326B
CN101348326B CN2007101303444A CN200710130344A CN101348326B CN 101348326 B CN101348326 B CN 101348326B CN 2007101303444 A CN2007101303444 A CN 2007101303444A CN 200710130344 A CN200710130344 A CN 200710130344A CN 101348326 B CN101348326 B CN 101348326B
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heater
edge sealing
seals
continuous production
rotating disk
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CN101348326A (en
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徐志武
赵太洲
刘成伟
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Qingdao Hengda vacuum glass technology Co. Ltd.
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QINGDAO HENGDA GLASS TECHNOLOGY Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/50Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57Improving the yield, e-g- reduction of reject rates

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Abstract

The invention relates to a method and equipment for realizing continuous production of vacuum glass. The method comprises the following steps that at least two layers of processed flat glass provided with an edge sealing material and a support material are placed on a feeding bogie, and are conveyed to edge sealing furnace bodies from a to e in turn so as to carry out preheating, heating, temperature maintaining, edge sealing (during which, edges of glass are sintered together by the inorganic edge sealing material) and cooling down; then, the feeding bogie carrying the edge sealed glass is conveyed to a sealing furnace body by a turntable so as to undergo roasting and gas exhaust; and finally, an exhaust port is sealed. The equipment is characterized in that a plurality of cavities at different temperatures are connected to form continuous production equipment, thereby realizing the function of integrated port sealing and edge sealing and increasing production efficiency; meanwhile, the equipment can also be divided into single furnace bodies for production.

Description

The continuous production method of vacuum glass and equipment
Technical field
The present invention relates to a kind of glass processing method and apparatus, particularly a kind of continous way sealing by fusing and the glass processing method and the employed equipment that vacuumize.
Background technology
The production unit of existing vacuum glass mainly contains following several:
1, adopt the heating method of cooling of the monomeric glass bending furnace in single chamber that vacuum glass is carried out the processing that edge sealing seals.Its main drawback is that production efficiency is low, and power consumption is high, and product percent of pass is low, is not easy to the continuous processing that realizes that edge sealing seals.
2, adopt the heating method of cooling of multicell continuous glass bending furnace that vacuum glass is carried out the processing that edge sealing seals.Though the production efficiency than monomer glass bending furnace increases, brought the product that is not easy to grasp control vacuum glass temperature uniform requirement, particularly different size in the heating process of cooling to process more difficult control simultaneously simultaneously again.There is not removable docking structure between the bending furnace, can not arbitrary combination.
3, adopt the vacuum glass production unit of other organic materials as the edge sealing joint filling material, the weather resistance and the weathering resistance of the vacuum glass of being produced are relatively poor.
Summary of the invention
Purpose of the present invention just provides a kind of continuous production method and equipment of vacuum glass, and the production efficiency that exists with the solution prior art is low, and power consumption is high, and product percent of pass is low, is not easy to realize the continuous processing in edge sealing air port; Vacuum glass temperature value (when particularly processing the product of different size) and homogeneity in the heating process of cooling are not easy to control; Can make up easily between each single-unit furnace; The problem that durability of products and weathering resistance are relatively poor.
In order to solve the problems of the technologies described above, the technical scheme that the present invention takes is:
A kind of continuous production method of vacuum glass is characterized in that: may further comprise the steps:
(1) will install the edge sealing material is placed on the feeding trolley with the processed two-layer at least sheet glass that supports material, and send into and carry out preheating, intensification, constant temperature, edge sealing (with inorganic edging material sintering together) and cooling in edge sealing body of heater a~e successively the edge of glass, whenever after moving into a body of heater, all the fire door of this body of heater is closed, all can send into new processed glass in the previous body of heater, carry out above-mentioned technology continuously;
(2) will be loaded with that the feeding trolley of glass moves on the rotating disk behind the edge sealing, this rotating disk is rotated to an angle aligns itself and an a plurality of body of heater that seals body of heater then, feeding trolley is sent into this seal in the body of heater, closes fire door then; Then from constantly come out of the stove glass behind the edge sealing of described edge sealing body of heater, and send into sealing of other successively and carry out follow-up complete processing in the body of heater;
(3) will move near sealing body of heater and interconnecting corresponding to the above-mentioned vacuum extractor that seals body of heater, usefulness seals body of heater and vacuum extractor toasts and exhaust sintering sheet glass together, last sealing-in exhaust mouth.
A kind of continuous production equipment of vacuum glass, comprise the edge sealing body of heater and seal body of heater, and be equipped with the feeding trolley that can move the body of heater of coming in and going out, it is characterized in that: described edge sealing body of heater is docked from beginning to end by a plurality of independent edge sealing bodies of heater becomes edge sealing body of heater row, between the two ends of this edge sealing body of heater row and each edge sealing body of heater, be equipped with able to turn on or off fire door, be equipped with the body of heater track of mutual correspondence in each monomeric edge sealing body of heater, the roller of described feeding trolley places on this track; End at described edge sealing body of heater row is equipped with rotating disk, at this rotating disk track with described body of heater Orbit Matching is housed above the rotating disk; Around described rotating disk several described bodies of heater that seals are housed, this seals described body of heater track is housed in the body of heater at each, and this end in the face of rotating disk that seals body of heater is equipped with able to turn on or off fire door at each; Described body of heater track extends outside the other end that seals body of heater, and this track is provided with the vacuum extractor that can move along this track, and what this vacuum extractor can seal this body of heater port in the face of an end that seals body of heater is provided with seals the stove back door.
The invention has the beneficial effects as follows:
1, adopt in each single body of heater internal recycle wind to make single endoceliac temperature evenly and control easily, and the temperature homogeneity when having guaranteed that placing product on the multilayer support simultaneously produces.
But 2, with a plurality of be convenient to controlled temperature again the single edge sealing body of heater produced of multilayer interconnect, form a plurality of monomer heating edge sealing unit of single-column type, by each single stove body temperature is carried out independent control, satisfied in the vacuum glass production process requirement to thermograde; Each single edge sealing body of heater also can satisfy the whole process processing of vacuum glass edge sealing by the lifting control of temperature, can be used for small-scale production.
3, above-mentioned edge sealing body of heater is listed as by rotating disk and is connected with some parallel connection conversions of sealing body of heater and vacuum extractor, has realized the continuous production of vacuum glass production whole process, can be used for the continuous production of fairly large production; Adopted and a plurality of independent pumped vacuum systems of docking of body of heater of sealing, can control flexibly and adjust rhythm of production (output), adapted to the manufacturing technique requirent of different size thickness vacuum glass.
Description of drawings
Fig. 1 is the schematic top plan view of present device overall structure;
Fig. 2 is the sectional structure synoptic diagram (part sectioned view of the A-A of Fig. 1) of edge sealing body of heater of the present invention and rotating disk;
Fig. 3 is the B-B sectional view of Fig. 2.
Description of reference numerals: 1, monomer edge sealing body of heater; 2, edge sealing body of heater fire door; 3, rotating disk; 4, seal the body of heater fire door; 5, seal body of heater; 6, seal the stove back door; 7, vacuum extractor; 8, edge sealing body of heater track; 9, rotating disk track; 10, seal and vacuumize track; 11, body of heater; 12, multilayer support; 13, hot air circulation chamber; 14, feeding trolley; 31, motor; 32, gear drive; 33, locating device; 34, hot air circulation blower; 35, hot blast by-pass valve control; 36, hot blast homogenizing plate; 37, cooling cold wind by-pass valve control; 38, cold air duct; 39, heating control apparatus.
Embodiment
Referring to Fig. 1~Fig. 3, the present invention includes edge sealing body of heater row, seal body of heater 5, rotating disk 3, vacuum extractor 7 and can move the feeding trolley 14 of the body of heater of coming in and going out.Described edge sealing body of heater is listed as by a plurality of single edge sealing body of heater 1 head and the tail butt joints and forms, between the two ends of this edge sealing body of heater row and each edge sealing body of heater 1, be equipped with able to turn on or off lift (or plug-type) fire door 2, be equipped with the track 8 of mutual correspondence in each single edge sealing body of heater 1, the roller of described feeding trolley 14 places on this track 8.End at described edge sealing body of heater row is equipped with rotating disk 3, at this rotating disk track 9 that mates with described track 8 is housed above the rotating disk 3.Around described rotating disk 3 several described bodies of heater 5 that seals are housed, this seals track 10 is housed in the body of heater 5 at each, and this end in the face of rotating disk 3 that seals body of heater 5 is equipped with able to turn on or off fire door 4 (can be identical with fire door 2) at each.Described track 10 extends outside the other end that seals body of heater 5, this extended track 10 is provided with the vacuum extractor 7 that can move along this track, and what this vacuum extractor 7 can seal this body of heater port in the face of an end that seals body of heater 5 is provided with seals stove back door 6 (can adopt the structure identical with above-mentioned fire door).
In described edge sealing body of heater row, temperature in each single edge sealing body of heater 1 can be controlled at different temperature values according to the requirement of technology, among the embodiment as shown in Figure 1, leftmost body of heater a is as the preheating body of heater, second body of heater b is as the intensification body of heater, middle body of heater c is as thermal insulation furnace body, and the 4th body of heater d and last body of heater e are as the cooling body of heater.The number of single body of heater 1 can be set according to arts demand.
Described each edge sealing body of heater 1 and seal body of heater 5 and form by external furnace body 11 and inner furnace body 111 is equipped with hot air circulation passage 13 and hot air circulation blower 34 in this inner furnace body 111.Between described inner furnace body 111 and external furnace body 11, be provided with cold air duct 38 and cooling cold wind by-pass valve control 37.Be equipped with conventional heating and temperature regulating device 39 at each edge sealing body of heater 1 in the body of heater 5 with sealing, respectively be provided with hot blast homogenizing plate 36 with holes in the inboard of each heating and temperature regulating device 39, working is to make hot blast more even.Needs according to turnout can separate independent control with the body of heater of some differing tempss, as the production unit of a monomer-type.
Described rotating disk 3 drives (motor 31 as shown in Figure 3 and gear drive 32) by manual driven or with power set, when driving, by being installed in each disk edge and each locating device 33 (as all places transmitter and controller) that seals the corresponding position of body of heater positions control with power set.Described travelling car 14 adopts artificial or power set drives by chain drive, rack-and-pinion transmission or cylinder/fluid cylinder transmission rig, all belongs to routine techniques.
On described each feeding trolley, multilayer support 12 is housed, should guarantees the planeness and the levelness of multilayer support.When producing, all can place processed sheet glass on every layer of support, should keep the windage unanimity of each aspect, can enhance productivity and quality.And guarantee the homogeneity of each body of heater temperature inside by heated air circulation device.
At each described cup type air extractor of the button that single or multiple routines are installed in the body of heater 5 that seals.When a plurality of air extractor of configuration, each air extractor divides left and right sides interlayer setting.Each is detained cup type air extractor and is connected with a vacuum pump, or many cup type air extractors of button are connected with a vacuum pump.
Described each body of heater all can install heat sink additional, and it is realized by cooling cold wind by-pass valve control 37 and cooling cooling air passage 38.
But the keying manual driven of described fire door 2 and 4 or drive with power set.
Production process of the present invention is:
1, the processed sheet glass (two-layer at least common float glass or low-E glass) that will install the edge sealing material and support material is placed on the support 12 of feeding trolley 14, and send into successively in edge sealing body of heater a~e and carry out preheating, intensification, constant temperature and cooling, and edge sealing (with inorganic edging material sintering together) with the edge of glass.Whenever after moving into a body of heater, all the fire door 2 of this body of heater is closed, all can send into new processed glass in the previous body of heater 1, can carry out continuously.
2, will be loaded with that the feeding trolley 14 of glass moves on the rotating disk 3 behind the edge sealing, rotating disk 3 is rotated to an angle makes its rotating disk track 9 and one seal body of heater 5 and track 10 aligns then, feeding trolley 14 is sent into this seal in the body of heater 5, closes fire door 4 then.Then from constantly come out of the stove glass behind the edge sealing of edge sealing body of heater 1, and send into different sealing successively and carry out follow-up complete processing in the body of heater 5.So just significantly reduce the time of waiting between each operation, formed successive production, improved production efficiency.
3, will move near sealing body of heater 5 and interconnecting corresponding to the above-mentioned vacuum extractor 7 that seals body of heater 5, usefulness seals body of heater 5 and 7 pairs of sintering of vacuum extractor sheet glass together toasts and exhaust, last sealing-in exhaust mouth.

Claims (8)

1. the continuous production method of a vacuum glass is characterized in that: may further comprise the steps:
(1) will install the edge sealing material is placed on the feeding trolley with the processed two-layer at least sheet glass that supports material, and send into a plurality of edge sealing bodies of heater successively and (carry out preheating, intensification, constant temperature, edge sealing and cooling in a~e), whenever after moving into a body of heater, all the fire door of this body of heater is closed, send into new processed glass in the previous body of heater, carry out the edge sealing operation continuously;
(2) will be loaded with that the feeding trolley of glass moves on the rotating disk behind the edge sealing, this rotating disk is rotated to an angle aligns itself and an a plurality of body of heater that seals body of heater then, feeding trolley is sent into this seal in the body of heater, closes fire door then; Then from constantly come out of the stove glass behind the edge sealing of described edge sealing body of heater, and send into sealing of other successively and carry out follow-up complete processing in the body of heater;
(3) will move near sealing body of heater and interconnecting corresponding to the above-mentioned vacuum extractor that seals body of heater, usefulness seals body of heater and vacuum extractor toasts and exhaust sintering sheet glass together, last sealing-in exhaust mouth.
2. the continuous production equipment of a vacuum glass, comprise the edge sealing body of heater and seal body of heater, and be equipped with the feeding trolley that can move the body of heater of coming in and going out, it is characterized in that: dock from beginning to end by described a plurality of edge sealing bodies of heater and constitute edge sealing body of heater row, between the two ends of this edge sealing body of heater row and each edge sealing body of heater, be equipped with able to turn on or off fire door, be equipped with the track that docks of mutual correspondence in each monomeric edge sealing body of heater, the roller of described feeding trolley places on this track; End at described edge sealing body of heater row is equipped with rotating disk, at this rotating disk track with described Orbit Matching is housed above the rotating disk; Around described rotating disk several described bodies of heater that seals are housed, this seals track is housed in the body of heater at each, and this end in the face of rotating disk that seals body of heater is equipped with able to turn on or off fire door at each; The described intravital track of stove that seals extends outside the other end that seals body of heater, the track of this extension is provided with the vacuum extractor that can move along this track, and what this vacuum extractor can seal in the face of an end that seals body of heater is provided with that this seals the body of heater port seals the stove back door.
3. the continuous production equipment of vacuum glass according to claim 2 is characterized in that: described each edge sealing body of heater and seal body of heater and form by external furnace body and inner furnace body is equipped with hot air circulation passage and heated air circulation device in this inner furnace body; Between described inner furnace body and external furnace body, be provided with cold air duct and cooling cold wind by-pass valve control; Heating and temperature regulating device all are housed in each inner furnace body, are removable docking structure between the adjacent external furnace body.
4. the continuous production equipment of vacuum glass according to claim 3, it is characterized in that: the hot air circulation passage two ends in described inner furnace body are provided with hot blast homogenizing plate with holes.
5. the continuous production equipment of vacuum glass according to claim 2 is characterized in that: described rotating disk is driven by manual driven or power set, at each disk edge and each position of sealing the corresponding position of body of heater locating device is installed; Described travelling car drives by chain drive, rack-and-pinion transmission or cylinder/fluid cylinder transmission rig by manual driven or by power set.
6. the continuous production equipment of vacuum glass according to claim 2 is characterized in that: on described each feeding trolley the multilayer support is housed.
7. the continuous production equipment of vacuum glass according to claim 2 is characterized in that: each described sealing the cup type air extractor of single or multiple buttons is installed in the body of heater; The cup type air extractor of a plurality of buttons divides left and right sides interlayer setting, and each is detained cup type air extractor and is connected with a vacuum pump, or many cup type air extractors of button are connected with a vacuum pump.
8. the continuous production equipment of vacuum glass according to claim 2 is characterized in that: described fire door adopts laterally or the sliding door that vertically moves, and can be driven by manual driven or power set.
CN2007101303444A 2007-07-17 2007-07-17 Continuous production method and apparatus for vacuum glass Active CN101348326B (en)

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Application Number Priority Date Filing Date Title
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CN101348326B true CN101348326B (en) 2011-12-07

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CN102531361B (en) * 2010-12-31 2013-12-25 上海镭立激光科技有限公司 Tempered vacuum glass edge-sealing method and tempered vacuum glass edge-sealing device
MX360675B (en) * 2011-01-31 2018-11-13 Luoyang Landglass Tech Co Ltd Device for continuously processing vacuum glass member.
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CN102249558B (en) * 2011-06-20 2012-11-07 天津沽上真空玻璃制造有限公司 Manufacturing system for vacuum glass
CN102531362B (en) * 2011-11-16 2013-11-06 天津森宇玻璃制造有限公司 Vacuum sintering furnace for manufacturing vacuum glass
CN103570229B (en) 2012-08-10 2015-11-25 北京新立基真空玻璃技术有限公司 Vacuum withdraw device, vacuum glass manufacturing system and associated method
CN103708711A (en) * 2013-11-19 2014-04-09 南京凯尚信息科技有限公司 Efficient energy-saving making method and device for vacuum glass
CN105384360B (en) * 2015-12-29 2017-10-10 李月明 The automatic production line and production method of vacuum glass
CN106587661A (en) * 2016-12-20 2017-04-26 中国建筑材料科学研究总院 Preparation method and system of vacuum glass
CN107458877A (en) * 2017-08-29 2017-12-12 北京昌汇通科技有限公司 Convey trailer, vacuum glass automatic production line and production method
CN111070510B (en) * 2019-12-25 2022-06-21 瑞昌荣联环保科技有限公司 Dynamic uniform cooling system and process method for acrylic plate
CN114370751B (en) * 2021-12-21 2022-12-16 江苏英普科科技股份有限公司 Oven is dispeled to capsule finished product DHS
CN114315176A (en) * 2022-01-17 2022-04-12 天津沽上真空玻璃制造股份有限公司 Processing method for improving utilization rate of heating furnace and vertical vacuum glass edge sealing support device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB507387A (en) * 1937-08-12 1939-06-14 Corning Glass Works Improvements in hollow glass articles made from preformed parts and methods of and apparatus for making them
CN2090352U (en) * 1990-12-13 1991-12-11 北京煤炭设计研究院 Motor-driven turntable for mine-car
CN1907895A (en) * 2005-08-02 2007-02-07 王世忠 Vacuum welding furnace for producing building vacuum glass plate
CN201071341Y (en) * 2007-07-17 2008-06-11 青岛亨达玻璃科技有限公司 Continuous fusing sealing and vacuumizing glass processing equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB507387A (en) * 1937-08-12 1939-06-14 Corning Glass Works Improvements in hollow glass articles made from preformed parts and methods of and apparatus for making them
CN2090352U (en) * 1990-12-13 1991-12-11 北京煤炭设计研究院 Motor-driven turntable for mine-car
CN1907895A (en) * 2005-08-02 2007-02-07 王世忠 Vacuum welding furnace for producing building vacuum glass plate
CN201071341Y (en) * 2007-07-17 2008-06-11 青岛亨达玻璃科技有限公司 Continuous fusing sealing and vacuumizing glass processing equipment

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开2005-231936A 2005.09.02

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Effective date of registration: 20160415

Address after: Huangdao District of Shandong province Qingdao Hongliuhe road 266000 No. 590 No. 3 Building

Patentee after: Qingdao Hengda vacuum glass technology Co. Ltd.

Address before: 266510 Shandong Qingdao economic and Technological Development Zone red stone cliff Subdistrict Office small village northwest side

Patentee before: Qingdao Hengda Glass Technology Co., Ltd.