CN107848864A - Microwave heats glass bending method and apparatus - Google Patents

Microwave heats glass bending method and apparatus Download PDF

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Publication number
CN107848864A
CN107848864A CN201680046080.1A CN201680046080A CN107848864A CN 107848864 A CN107848864 A CN 107848864A CN 201680046080 A CN201680046080 A CN 201680046080A CN 107848864 A CN107848864 A CN 107848864A
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CN
China
Prior art keywords
glass sheet
stove
temperature
glass
computer
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Granted
Application number
CN201680046080.1A
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Chinese (zh)
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CN107848864B (en
Inventor
焦榆
R·W·施里尔
C·于
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PPG Industries Ohio Inc
PPG Industries Inc
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PPG Industries Inc
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Priority claimed from US14/819,849 external-priority patent/US10526232B2/en
Application filed by PPG Industries Inc filed Critical PPG Industries Inc
Publication of CN107848864A publication Critical patent/CN107848864A/en
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    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00Re-forming shaped glass
    • C03B23/02Re-forming glass sheets
    • C03B23/023Re-forming glass sheets by bending
    • C03B23/025Re-forming glass sheets by bending by gravity
    • C03B23/0258Gravity bending involving applying local or additional heating, cooling or insulating means
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B29/00Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins
    • C03B29/04Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins in a continuous way
    • C03B29/06Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins in a continuous way with horizontal displacement of the products
    • C03B29/08Glass sheets
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B35/00Transporting of glass products during their manufacture, e.g. hot glass lenses, prisms
    • C03B35/14Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands
    • C03B35/20Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands by gripping tongs or supporting frames
    • C03B35/202Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands by gripping tongs or supporting frames by supporting frames

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)

Abstract

Provide the method and system of the automation shaping for glass sheet.This method includes preheating the glass, make the glass bending via the wave beam heating for involving the selectivity using the computer-implemented processing of the heat and shape (position) data that obtain immediately using hyperfrequency, high-power electromagnetic and focusing on, and cool down the glass sheet and be suitable in the air to produce and glass sheet is used in space carrier.

Description

Microwave heats glass bending method and apparatus
The cross reference of related application
The application is entitled " the Heating and Shaping System Using submitted on May 30th, 2013 Microwave Focused Beam Heating " U.S. Patent application No.13/905,365 part continuation application.Its is complete Portion's content is incorporated herein by reference.
Background of invention
Invention field
The present invention relates to a kind of heating heated using microwave focus beam and bending (and/or shaping) system, and it is more special Not, it is related to a kind of glass production line (glass line) with least two (for example, at least three) heating furnaces.Wherein should First heating furnace by one or more glass substrates being preheated to the first temperature;Second heating furnace (it is that glass forms stove) The substrate is maintained into first temperature and heated using microwave focus beam and first heating furnace or the 3rd stove are to this Or the selected part of multiple glass substrates heats and makes its bending, controllably cools down one or more glass substrates.
It is also provided herein as the real-time monitoring for the temperature and the method for the bending of glass sheet to be formed.
Description of related art
The bending device that bending iron or shaping iron are commonly referred to as in bending techniques is well known in the art for making one Or multiple shape glass sheets are for for land, water, in the air and in the manufacture of the monolithic and lamination of transparent part of space carrier Use.For molding glass substrate or sheet material so that the method used in the manufacture for land and the Transparent Parts of water ballast tool is led to Often include providing with suture or smoothing edge and one or more glass sheets of predefined size;Movement supports on bending iron Glass sheet through stove to heat and soften the glass sheet;Make the shape glass sheets;It is shaped controllably to cool down this Glass sheet is with the glass sheet annealing or heat tempering shaped to this, and the manufacture in the Transparent Parts having for land or water ballast It is middle to use the shaped glass sheet.For making glass substrate or sheet forming for for aerial and space carrier saturating The method used in the manufacture of bright part generally includes to provide the one or more with suturing or smoothing edge and predefined size Glass sheet;The mobile glass sheet supported on bending iron passes through stove to heat and soften the glass sheet;Make the glass sheet into Shape;The shaped glass sheet is controllably cooled down to be annealed to the shaped glass sheet;By shaped sheet glass Material is cut to the second predefined size;The edge of shaped glass sheet is set to suture or smooth;Chemistry is tempered shaped glass Glass sheet material, or heat are tempered shaped glass sheet, and use and be somebody's turn to do in the manufacture for aerial or space carrier Transparent Parts Tempered shaped glass sheet.
Make shape glass sheets for the Transparent Parts use for being used for land and water ballast tool with making shape glass sheets For being for being used for the difference of interest in this discussion between the aerial and Transparent Parts use of space carrier, for supplying The glass sheet that the Transparent Parts having for land and water ballast use cleaved to required size before shaping or bending, but be used for For the glass sheet that is used for aerial and space carrier Transparent Parts cleaved to excessive size, and then existing before forming Through being cut to required size after bending.For purposes of clarity, it is presently available for being used in saturating for for land and water ballast having The method for the shape glass sheets that bright part uses is also called " being cut to required size (cut-to-size) method ", and at present The method that may be used in the shape glass sheets for being used for the Transparent Parts of aerial and space carrier is referred to as " after bending Cutting method ".
Glass sheet is cut to required by measures permission needed for being cut to before the heating and bending of glass sheet Accurate size.However, measures needed for being cut to do not consider on the surface of glass sheet can to occur it is any may stain, It is unacceptable that this stains the Transparent Parts that can make the optical quality of glass sheet and subsequently form.
A solution to this problem is, there is provided has the improvement of its design to prevent the sheet glass contacted with bending iron The stained bending iron on the surface of material.This bending iron is disclosed in USPA 13/714,494.Another solution to this problem is, The temperature of stove and/or the time cycle of reduction heat cycles are reduced during sheet forming method for making shape glass sheets To reduce or eliminate staining for the surface of the glass sheet contacted with bending iron.
As now can by skilled in the art realises that, there is provided being cut to required measures for use makes glass sheet Shape for being used in airborne vehicle and space Transparent Parts, while eliminate or reduce the surface of the glass sheet contacted with bending iron Stained method and/or equipment will be favourable.
By the system and method for providing permission efficiently and effectively heating and/or it is shaped to complicated shape and/or sheet glass The cooling of material is come to eliminate the method for " being cut after bending " will also be favourable.
Summary of the invention
Presented herein be for by efficiently and automate in a manner of produce complicated glass sheet shape method and System.Methods provided herein and system in place of the improvement of prior art relative to being, accurate, the special shape of its permission Shape, and without using excessive heat and the gained without stained possibility increase.In addition, by real-time feedback, it is described herein Method and system ensure to realize complicated shape every time.
Presented herein is the method and system for making shape glass sheets and/or bending, and it includes:By bending iron On glass sheet be preheated to scope be from 600 ℉ to 1000 ℉ pre-heating temperature;The temperature of the sheet material is increased into model Enclose from the temperature more than the pre-heating temperature to the temperature being sunk less than the glass, to be such as, but not limited to, in 1100 ℉ extremely In 1250 ℉ temperature range.The glass sheet is bent by following operation:I.) use by computer-implemented protocol integrated test system Gyrotron wave beam selectively heats a part for the glass sheet to the sagging temperature of at least a portion of the glass sheet; Ii.) one or more time points during or after the selective heating stepses are with one or more infrared rays (IR) scanner At least a portion of the glass sheet is scanned, and is obtained from the data obtained from one or more IR scanners for the glass Temperature Distribution at least one of at least two dimension of sheet material;Iii.) handled using computer-implemented by the acquisition Temperature Distribution is compared with the reference temperature distribution of the computer-implemented agreement;And with by the computer-implemented gyrotron for handling control The glass sheet is heated so that the reference temperature point of the Temperature Distribution of the acquisition and the computer-implemented agreement wave-beam selectivity Cloth matches.
What is be additionally provided herein is a kind of system, and it includes:First stove, glass preheater is also called herein Room/stove, including infrared heater and temperature sensor;Second stove, forming of glass, glass bending are also called herein And/or glass forms stove, including infrared heater;Including convolution tube device or the hyperfrequency in microwave spectrum can be produced (for example, at least 20GHz (gigahertz), for example, scope is from 20GHz to 300GHz) and high power is (for example, at least 5kW (thousand Watt) the convolution guard systems of other devices of electromagnetic wave;And for controlling the wave beam of the convolution tube device in second stove Shape, position and the optical system of movement of glass sheet on bending iron;And one or more infrared ray (IR) imaging sensors; Conveyor system, it is used for the delivery glass sheet on bending iron and passes through first stove and second stove;Computer system, it is connected To one or more IR imaging sensors and the convolution guard system, including processor and for by being entered by the convolution guard system Capable selectivity heating and the instruction of the bending that controls the glass sheet in second stove, the instruction include being used for heating this second Glass sheet in stove and the computer-implemented agreement for bending it, wherein the computer system is during the bending of glass data One or more time points the temperature curve of the glass sheet is obtained from one or more IR imaging sensors (profile), by the temperature curve of the acquisition compared with the reference temperature distribution of the computer-implemented agreement, and the convolution is controlled Tube wave beam system selectively heats the glass sheet to match reference temperature distribution.The system is optionally containing the 3rd heating Stove is controllably to cool down the glass sheet.3rd stove includes IR heaters, forces cold air convection system and fan.If no In the presence of the 3rd stove, then first stove will contain all these features.
In addition, the present invention relates to a kind of operation furnace system to be used in the shape glass sheets of a such as airborne vehicle Transparent Parts Method, this method especially includes:
A) by flat glass sheet be positioned over fixed copping rail and be defined as removable copping rail in joint arm On the bending iron of copping rail on (articulating arm);
B) bending iron with the glass sheet is positioned in the inside of stove to heat the glass sheet so as to be fixed at this Shape glass sheets on copping rail, while the mobile microwave energy beam from gyrotron should to heat the covering of the glass sheet The part of removable copping rail shapes the part of the glass sheet with the movement by the joint arm;
C) at least one of one or more of the glass sheet from one or more IR imaging sensors is obtained Thermal imagery and optionally from one or more 3D imaging sensors one or more pattern curve images and transmit it to Computer;
D) one or more thermal imageries are analyzed using computer implemented method and optionally one or more shapes is bent Line image, and the image is referred to by thermal imagery and optionally one or more ginsengs with one or more by computer implemented method Pattern curve image is examined to compare, with determine one or more thermal imageries and optionally pattern curve image with this with reference to image it Between difference;
E) based on predetermined amount of heat (power and speed) curve as reference, being come from using computer implemented method guiding should The microwave energy beam of gyrotron or other suitable sources matches one or more reference to heat the part of the glass sheet Thermal imagery, and optionally, to match one or more reference figuration curve images, repeat the analysis and the comparison step until One or more thermal imageries match the one or more and refer to thermal imagery, and optionally, until one or more shapes are bent Line Image Matching one or more reference figuration curve images;
F) via the computer implemented method, glass viscosity distribution is produced, so as to allow the glass sheet to be formed or bend For the required shape with acceptable optical quality;And
G) the shaped glass sheet is controllably cooled down.
Brief description of the drawings
Fig. 1 is the cross-sectional view of the lamination airborne vehicle Transparent Parts for the laminar structure for illustrating Transparent Parts.
Fig. 2 is the perspective view of the shaped sheet material shaped according to the teachings of the present invention.
Fig. 3 is that can be shaped according to the teachings of the present invention especially to provide the perspective of the flat sheet material of Fig. 2 shaped sheet material Figure.
Fig. 4 for can use in the practice of the invention with especially make the glass sheet of such as, but not limited to Fig. 3 sheet material into The perspective view of the non-limiting embodiment of the bending device of shaped sheet material shown in shape to Fig. 2.
Fig. 5 is can use in the practice of the invention especially to heat glass sheet and make it according to the teachings of the present invention The furnace system of shaping (such as, but not limited to, heat Fig. 3 sheet material and make it be shaped to sheet material shaped shown in Fig. 2) The perspective view of non-limiting embodiment.
Fig. 6 is the normal cross-section figure of stove shown in Fig. 5.
Fig. 7 for the fire door with the part removed for purposes of clarity of feature incorporated herein perspective view, The fire door reduces the heat loss between the neighbouring inside of furnace system shown in Fig. 5 and Fig. 6.
Fig. 8 is vehicle frame (carriage) for supporting bending iron (such as, but not limited to, bending iron shown in Fig. 4) and removable Conveyer section is moved so that vehicle frame to be moved to the perspective view of the arrival end of stove shown in Fig. 5 and Fig. 6.
Fig. 9 illustrates to be used for from sensor reception signal according to the teachings of the present invention and act on the microprocessor of signal.
Figure 10 is that schematically partly displaying can use to heat the choosing of glass sheet in the practice of the present invention with cross section Determine the gyrotron of part.
Figure 11 is the path of the microwave light beam of displaying gyrotron to selectively heat the heap of one or more glass sheets The plan of folded part.
Figure 12 is that can use in the practice of the invention especially to heat glass sheet and make the incorporated herein of its shaping Feature furnace system normal cross-section side view.
Figure 13 is that can use in the practice of the invention especially to heat glass sheet and make the incorporated herein of its shaping Feature furnace system horizontal frontal plane figure.
Figure 14 is that can use the stove of the invention especially to heat glass sheet and shape it in the practice of the invention Normal cross-section figure.
Figure 15 is the normal cross-section figure of the furnace system of the present invention.
Figure 16 illustrates the flow chart of the method for making shape glass sheets according to the present invention.
Embodiment
As used herein, such as "left", "right", " interior ", " outer ", " in ... top ", " in ... lower section " etc. Space or direction term are related to the present invention when it shows in the drawings.However, it should be understood that the present invention can be assumed that it is various alternative Orientation, and therefore, such term is not considered as restricted.In addition, used in specification and claim as Used herein, all numbers of expression size, physical characteristic, processing parameter, the amount of composition, reaction condition etc. are understood that To be modified in all cases by term " about ".Therefore, unless the contrary indication, otherwise in description below and claim The numerical value illustrated, which may depend on, tries to be changed by the required property that the present invention obtains.At least, and it is not intended to doctrine of equivalents Application be limited to the scope of claim, each numerical value at least should be according to the number of the effective digital reported and general by application Rounding-off technology is explained.In addition, all scopes disclosed herein are interpreted as covering beginning and end value range and wherein wrapped Any and all subrange included.For the scope of (and including 1 and 10) between minimum value 1 and maximum 10;That is, start from most Small value 1 more greatly and ends at maximum 10 or smaller all subranges, for example, 1 to 3.3,4.7 to 7.5,5.5 to 10 etc.. In addition, as used herein, term " ... on " mean on the surface, but may not be contacted with the surface.For example, the first base Plate is not precluded from one or more of identical or different composition of the position between first substrate and second substrate " on second substrate " The presence of other individual substrates.
Before the present invention is discussed, it should be appreciated that the present invention is not limited to the example of certain illustrated in its application aspect, because these Only illustrate general inventive concept.In addition, it is in order at the purpose of description to discuss the term of the present invention herein and does not have Restrictive.Still further, unless indicated otherwise in the following discussion, otherwise similar numbering refers to similar components.
For the purpose of discussion below, the present invention is discussed by the sheet forming in airborne vehicle Transparent Parts is consulted and used.Close In the application, term " forming of glass " refers to the concept that glass bending and/or glass are formed.These terms are interchangeable through the application Ground uses.As will be appreciated, the invention is not restricted to the material of sheet material, for example, sheet material can be but be not limited to glass sheet or plastic sheet Material.In the broad practice of the present invention, sheet material can be made up of any required material with any required characteristic.For example, Sheet material can light tight, printing opacity or semi-transparent to visible ray." light tight " means with 0% transmission of visible light." printing opacity " anticipates Refer to the transmission of visible light in the scope more than 0% to 100%." semi-transparent " mean allow electromagnetic energy (such as, it is seen that Light) pass through but spread this energy so that the object on the side relative with observer is not high-visible.In the preferred of the present invention In practice, sheet material is clear glass sheet material.Glass sheet may include conventional soda-lime-silica glass, borosilicate glass or oxidation Lithium-alumina silica glass.Glass can be clear glass." clear glass " means to be unstained or uncoloured glass.Replace Dai Di, glass can be glass that is dyed or otherwise colouring.Glass can be annealed, heat treatment or chemistry are tempered.At this In the practice of invention, glass can be conventional float glass, and can with any optical property (for example, any visible ray Transmissivity, ultraviolet transmittance, infrared transmitting rate and/or total solar energy transmission value) any composition." float glass " anticipates Refer to the glass formed by conventional float processes.The example of float glass process is disclosed in U.S. Patent No. 4,744,809 And in the 6th, 094, No. 942, the patent is herein incorporated by reference herein.
In an example of the invention, glass is the transparent Indium of the type disclosed in U.S. Patent No. 8,062,749 Lithium-alumina silica glass, and the present invention another example in, glass be U.S. Patent No. 4,192,689, The clear soda-lime-silica glass of type disclosed in No. 5,565,388 and No. 7,585,801.
Glass sheet can be used in the manufacture for the shaped monolithic or shaped lamination of transparent part of airborne vehicle.So And as can be appreciated, shaped glass sheet of the invention can be used in the manufacture of any kind of Transparent Parts, such as but unlimited In windshield, window, back light, sunshading top and screening moon top (moon roof);Lamination or no lamination house and/or business window;Absolutely Edge glass unit, and/or for land, aerial, space, Transparent Parts waterborne and underwater vehicles.Carrier Transparent Parts, house and business Industry Transparent Parts and the non-limiting examples of airborne vehicle Transparent Parts and its manufacture method be found in U.S. Patent No. 4,820,902, In 5th, 028, No. 759, the 6th, 301, No. 858 and the 8th, 155, No. 816, the patent is hereby incorporated herein by herein In.
Demonstrated in Figure 1 is that the exemplary lamination airborne vehicle with the component that can be manufactured by the practice of the present invention keeps out the wind The cross-sectional view of glass 20.Windshield 20, which includes, is fixed to the of vinyl interlayer or sheet material 28 by the first polyurethane sandwich 30 One glass sheet 22, and be fixed to by the second polyurethane sandwich 34 can heater block 32 for vinyl interlayer 28.Used in this area Type edge member or moisture barrier 36 (such as, but not limited to, silicone rubber or other flexible durable moisture resistance materials) It is fixed to the periphery edge 38 of (1) windshield 20, i.e. the periphery edge 38 of vinyl interlayer 28;First polyurethane sandwich 30 And second polyurethane sandwich 34 periphery edge, and can heater block 32 periphery edge;(2) outer surface 42 of windshield 20 Limit or margin 40, i.e. the limit 40 of the outer surface 42 of the first glass sheet 22 of windshield 20, and (3) are kept out the wind The outer surface 46 of glass 20 limit or margin 44, i.e. can heater block 32 outer surface 46 limit.
First glass sheet 22, the polyurethane sandwich 30 of vinyl interlayer 28 and first formed windshield 20 structural member or Inner segment.The outer surface 42 of windshield 20 is towards the inside of carrier (for example, airborne vehicle (not showing)).Layer of polyurethane 34 and it can add Thermal part 32 forms the non-structural part of windshield 20 or outer section.The outside of the Aviation device of surface 46 of windshield 20.Can Heater block 32 provides heat to remove mist, and/or the outer surface of fusing windshield 20 from the outer surface 46 of windshield 20 Ice on 46.
Demonstrated in Figure 2 is the shaped glass sheet 60 and 61 of the two pieces shaped according to the teachings of the present invention.Glass Each of sheet material 60 and 61 has bend end section 62 and 64, and shaped center section 66.For example, shaped glass The flat glass sheet 68 and 69 as shown in Fig. 3 of bending iron 70 shown in Fig. 4 can be used to shape for glass sheet material 60 and 61.2012 12 Entitled Bending Device For Shaping Glass For Use In Aircraft filed in the moon 14 Bending iron disclosed in Transparencies U.S. Patent Application No. 13/714,494 can be used in the practice of the present invention.It is beautiful The disclosure of state's patent application the 13/714,494th (further below be referred to as " USPA ' 494 ") is all by by reference It is incorporated herein.For being discussed in detail for bending iron 70, notice is directed to USPA ' 494.Fig. 4 of the literature corresponds to USPA ' 494 Fig. 4.As can be appreciated, the invention is not restricted to bending iron 70, and any design of bending iron can make in the practice of the invention One sheet forming makes two sheet material 68 and 69 (see Fig. 3) shapings simultaneously, or makes more than two sheet forming be any required Shape.
Fig. 5 and Fig. 6 illustrates exemplary stove 74, such as, but not limited to, furnace system, or the present invention be used for heat glass Sheet material (such as, but not limited to, shaped glass sheet 68 and 69) and make its shape device.Stove 74 includes first chamber 76 Or stove and second chamber 78 or stove.First chamber 76 preheating support or be positioned on bending iron 70 (Fig. 4) glass sheet (such as But it is not limited to, flat glass sheet 68 or flat glass sheet 68 and 69 (see Fig. 3)), and controllably cooling is supported or is positioned at curved Shaped glass sheet (such as, but not limited to, shaped glass sheet 60 or the shaped glass sheet on iron 70 60 and 61 (Fig. 2)) with the shaped glass sheet of annealing.According to the teachings of the present invention, second chamber 78 selectively heats The part of flat glass sheet 68 and 69 is so that glass sheet 68 and 69 is configured to required shape, the such as, but not limited to present invention, It is configured to the shape of glass sheet 60 and 61 shaped shown in Fig. 2.
First chamber 76 have the first opening 80 (be also called first chamber 76 " entrance 80 ") and with the first opening 80 (the second opening is clearly showed in figure to relative and the second opening 82 (be also called first chamber 76 " outlet 82 ") for being spaced apart In 6).Second chamber 78 have the first opening 84 (be also called second chamber 78 " entrance 84 " and with second chamber 78 the One opening 84 is relative and the second opening 86 (be also called second chamber 78 " outlet 86 ") for being spaced apart.For this configuration, The flat sheet material 68 and 69 being supported on bending iron 70 moves through the first opening 80 of first chamber 76 to the inside of first chamber 76 88 (see Fig. 6) are to preheat glass sheet 68 and 69.According to the teachings of the present invention, preheated glass sheet 68 and 69 moves Through first chamber 76 second be open 82 and through second chamber 78 first opening 84 to second chamber 78 inside 90 (see Fig. 6) controllably to heat glass sheet 68 and 69 so that shape glass sheets.Heated shaped glass sheet 60 and 61 move through the second opening 82 of the first opening 84 of second chamber 78 and first chamber 76 from the inside 90 of second chamber 78 To the inside 88 of first chamber 76 controllably to cool down the shaped glass sheet.Hereafter, shaped glass sheet 60 And 61 from the inside 88 of first chamber 76 move through first chamber 76 first opening 80.
The inside 88 of first chamber 76 is separated from each other with the inside 90 of second chamber 78, and by providing in first chamber 76 Entrance 80 at door 92, the door 94 at the entrance 84 of second chamber 78 and the door 96 at the outlet 86 of second chamber 78 and Separated with the environment outside stove 74.As can be appreciated, the invention is not restricted to provided respectively at entrance 80, entrance 84 and outlet 86 Door 92,94,96 type, and any design and/or construction available for the present invention practice in.For example, in design and structure Make, door 92 can be similar with 96.In view of foregoing teachings, discuss the design and construction for now referring to door 92, and should manage Solution, unless otherwise directed, otherwise discuss and be related to door 96.Reference picture 5, door 92 have be installed on side 98 in track 102 and 104 and 100, the entrance 80 of chamber 76 is opened to move up for reciprocal vertical movement, and move down to close entering for chamber 76 Mouth 80, and moved up for door 96 to open opening 86, and move down to close opening 86.The opening 86 of stove 78 is especially used In being placed under repair to stove 78 and stove 78 repaired;The inside 90 of stove 78 is cleaned, such as, but not limited to, removes the glass of destruction Glass, and the extension for stove 74 discussed in detail below.
By comprising being spaced from each other and be installed on the wheels arrangements 108 of the one wheel pairs 110 and 112 in rotary shaft 114, Door 92 and 96 is moved along the reciprocal vertical path indicated by double-headed arrow 106.Cable 116,118, which has to be fixed to, to be respectively adjacent to One end 120 (being directed to door 92, clearly show) of the top side 121 of the side 98,100 of door 92 and 96, and point of cable 116,118 The opposite end 122,124 of air cylinder 126 (being directed to door 92 and 96, be clearly showed in Fig. 5) is not connected to.
For example, door 92 and 94 can respectively by with the side 128 being formed from steel and be made of stainless steel towards its in stove The outer metal shell 127 of the opposite side 129 of the inside of corresponding person is made.The inside of shell 127 can be filled with Kaowool insulating parts 130 (being clearly showed in Fig. 5).
Shaped glass sheet 60 and 61 is moved in the first stove and annealed.The method of annealed glass sheet material is in ability It is well known in domain, for example, see United States Patent (USP) 7,240,519, the patent is all herein incorporated by reference herein, and nothing is entered The discussion of one step is considered as necessary.In sheet material after annealing, door 92 is raised, and shaped glass is removed from the first stove 76 Sheet material.When removing shaped glass sheet 60 and 61 from the first stove 76, the temperature difference between the first stove 76 and the second stove 78 It can reach the temperature in 800 ℉ to 1000 ℉ scope.More particularly, the temperature of the first stove 76 can low be 200 ℉, its be Temperature when removing annealed shaped glass sheet 60 and 61 from the first stove 76 on removable conveyer 202, and second The temperature of stove 78 can be more than 1000 ℉, and it is glass pre-heating temperature.In order to reduce respectively between the first stove 76 and the second stove 78 Heat loss, door 94 can have less than 0.80BTU/ (hr.ft. ℉) thermal conductivity.
Reference picture 7, exemplary door 94 include tube frame 94a, and it is stainless with the side 94c's for being fixed to tube frame 94a The gauge of steel 11 (gage) sheet material 94b, and it is fixed to the tube frame 94a side 94e gauge sheet material 94d of stainless steel 11.In registrar Mark SuperThe layer 133 (thickness with 1 and 1/2 inch) for the insulating materials sold under M is provided in tube frame In 94a between stainless steel sheet material 94b and 94d.The layer 94g of insulating materials is provided on steel sheets 94d, and covered with 0.008 to The stainless steel foil 94h of 0.010 inch.Door 94 is installed together with stainless steel sheet material 94h, towards the inside of stove 78.Be open 94i And 94j is connected to compressor (not showing) to cool down door 94 from air of the 94a movements through room temperature compression through pipe to prevent pipe Framework 94a and sheet material 94b and 94d warpage.Optionally, layer 94g periphery edge is covered by paper tinsel 94h.
Door 94 is connected to the U-shaped member 136 (being clearly showed in Fig. 5) of vertically reciprocating reversing.More particularly, door 94 by Bar 138 is connected to the middle leg portion (leg) 137 of U-shaped member 136, and installs outer leg 139 and 140 for any convenience The reciprocal vertical in vertical track 141 and 142 moves (see Fig. 5) mode respectively.U-shaped member (is only showed in by electric notor 145 In Fig. 6) vertically upward and move down.In the case where door 94 is in lower position, the entrance 84 of stove 78 is closed, and in door 94 In the case of in upper position, the entrance 84 of stove 78 is opened.In upper position, as illustrated in figure 6, pass through the metal of stove 78 The vertical stretch 148 of top plate 150, door 94 is moved in the encapsulating 146 being formed on side (see Fig. 6), and encapsulates 146 Opposite side 152 is made up of the ceramics between being fixed on track 140 and 142 (see Fig. 5) or metallic walls.
The design and construction of first stove 76 are not limited to the present invention, and for heating glass sheet in the way of discussion below Or required temperature (for example, less than the softening of flat glass sheet 68 and 69 or temperature of sagging temperature) is preheated to avoid glass Stain and for controllably cooling down shaped glass sheet (such as, but not limited to, shaped glass on the surface of glass sheet material Glass sheet material 60 and any kind of stove 61).More particularly, the scope in 600 ℉ to 900 ℉ is provided for lithium soda-lime glass sheet material In pre-heating temperature, and provide the pre-heating temperature in 900 ℉ to 1025 ℉ scope for soda-lime-silica glass sheet material.First Stove 76 can include side wall 160 (see Fig. 6) and opposing sidewalls 162 (see Fig. 5), top wall or ceiling 164 and base wall 166 to carry For the inside 88 of stove 76.In the way of discussion below, short roller (stub roll) 168 extends through side wall 160 and 162 to the first The inside 88 of stove 76, for vehicle frame 170 to be moved to in the inside 88 of the first stove 76 and removed the interior of the first stove 76 (see Fig. 8) Portion 88.Infrared heater 172 is provided in interior surface 174, the smallpox of side wall 160 and 162 (side wall 162 is only shown in Fig. 6) So that the inside 82 of the first stove 76 is heated into required temperature in the interior surface 176 and base wall 166 of plate 164.In addition, first Stove includes thermocouple 191 to measure the heat of stove.In addition to thermocouple, other devices also can be used to measure the temperature of stove.
The design and construction of second stove 78 be not limited to the present invention and for by glass sheet be heated to required temperature (such as But the present invention is not limited to, it is high higher than 900 ℉ heating-up temperature, and for soda-lime-silica glass sheet material for lithium soda-lime glass sheet material In 1025 ℉ heating-up temperature) any kind of stove.The heating-up temperature being sunk for glass is preferable, such as, 1100 In ℉ to 1250 ℉ scope.For example, use the microwave energy as caused by gyrotron or any other suitable source of microwave energy The part of glass sheet (such as, but not limited to, shaped glass sheet 60 and 61 (see Fig. 2)) to be formed is heated to it Higher forming temperature.Reference picture 5 and Fig. 6, displaying produce hyperfrequency, the device 177 of high-power electromagnetic ripple (for example, as demonstrated Gyrotron), optical box 178 and the mirror case 179 being installed on the top plate 180 of the second stove 78.Convolution is discussed in further detail below The operation of pipe 177, optical box 178 and mirror case 179.
Second stove 78 is similar in construction to the first stove 76, and comprising side wall 181 (see Fig. 6) and opposing sidewalls 182 (see figure 5), top wall or ceiling 184 and base wall 186 (see Fig. 6) are to provide the inside 90 of stove 78.It is short in the way of discussion below Roller 168 is extended through (see Fig. 6) in the inside 90 of the stove 78 of side wall 180 and 182 to the second, for vehicle frame 170 (see Fig. 7) is moved Move in the inside 90 to the second stove 78 and remove the inside 90 of the second stove 78.Infrared heater 172 may be provided in side wall 180 and Interior surface 188, the interior surface of ceiling 184 of 182 (side walls 181 shown in Fig. 6 and Fig. 5 shown in side wall 182) 190 and base wall 186 on so that the inside 90 of the second stove 78 is heated into required temperature.For lithium alumina silicate glass sheet material, The inside 90 of stove 78 is heated to the temperature in the range of 600 ℉ to 900 ℉, and for soda lime glass sheet material, will The inside 90 of stove 78 is heated to the temperature in the range of 900 ℉ to 1000 ℉.Generally, but the present invention is not limited to, in gyrotron The temperature of the pre-heating temperature of stove 76 and stove 78 is similar in the case of through power-off so that is maintained in stove 78 by the glass in stove 76 The temperature that glass sheet material reaches.
The temperature of the inside 88 and 90 of stove 76 and 78 is measured by thermocouple 191 respectively.Thermocouple 191 passes on signal to meter Calculation machine microprocessor system 193 (see Fig. 9).Computer microprocessor system 193 acts on signal to determine stove 76 and 78 respectively Inside 88 and 90 temperature.If the temperature of one or both of furnace interior is less than design temperature, signal is passed on along line 195 To increase the input of the heat of stove.On the other hand, if the temperature of one or both of furnace interior 88 and 90 is too high, along line 195 Transmission signal is inputted with the heat reduced to stove.If the temperature of furnace interior in tolerance interval, does not take action.
Conveyor system for stove 74 is included by comprising dynamic to provide axostylus axostyle for rotating axostylus axostyle and the motor of short roller Short (stub) of first stove 76 of transmission configuration 192 (see Fig. 5) driving of power (axostylus axostyle and motor that do not show transmission configuration 192) Conveyer roller 168, and comprising by comprising for rotate axostylus axostyle and the motor of short roller with to axostylus axostyle provide power (do not show that transmission is matched somebody with somebody Put 194 axostylus axostyle and motor) transmission configuration 194 (see Fig. 5) driving the second stove 78 short conveyer roller 168.Such as by ability Field technique personnel understand, and the conveyer using short roller is well known in the art, and be considered as without further discussion must Want.
Reference picture 3 on demand, (does not show) that one or more glass sheets are positioned at bending iron (example to Fig. 8 in loading depot Such as, bending iron 70 shown in Fig. 4) on.Two glass sheets (for example, glass sheet 68 and 69 (see Fig. 3)) are positioned at bending iron 70 On, optionally, it Ceramic Dust (not showing) can be used to prevent the adhesion of shaped glass sheet 60 and 61.With sheet material 68 and 69 bending iron 70 is positioned on vehicle frame 170 (Fig. 8), and vehicle frame 170 is positioned on the short roller 200 of removable conveyer 202.Will Removable conveyer 202 is moved to stove region from loading area.Open the door 92 (see Fig. 5 and Fig. 6) of the first stove 76 and will be removable Dynamic conveyer 202 is moved in opening 80 so that the short roller 200 of removable conveyer 202 to be aligned with the short roller 168 of the first stove 76. Then moving carriage 170 is engaged with the neighbouring short roller 168 with the first stove 76, and vehicle frame 170 is moved by the short roller 168 of the first stove 76 To the inside 88 of stove 76.When in precalculated position of the vehicle frame 170 in the inside 88 of the first stove 76, the rotation of short roller 168 is prevented Turn, the precalculated position is usually that the most thermal potential in the first stove 76 is put.After the rotation of short roller 168 stops, there is bending iron 70 and glass The vehicle frame 170 of glass sheet material 68 and 69 is maintained in the first stove 76, until glass sheet 68 and 69 reaches required temperature, for example, For lithium alumina silicate glass, the temperature exists in the range of the ℉ of scope 600 to 900 ℉, and for soda-lime-silica glass, the temperature In the range of the ℉ of scope 900 to 1000 ℉.Optionally, can be along conveyer mobile route in somewhat upstream and downstream moving carriage 170 make heated air circulation to surround sheet material 68 and 69 in stove.
The temperature of glass sheet can be monitored in any convenient manner, for example, the temperature of glass sheet 68 and 69 is by optics Pyrometer or optics thermal scanner are (such as, by Dronfield, UK Land Instruments International (Land) leucoscope or optics thermal scanner of manufacture) monitoring.Pyrometer or thermal scanner 204 are installed on the first stove 76 (see Fig. 5) on top plate 164.More particularly, when vehicle frame 170 towards door 94 move so as to stove 76 and 78 points are opened when, pyrometer or The temperature of thermal scanner 204 (such as, but not limited to, optics thermal scanner (being manufactured by Land)) measurement glass.Will along line 204a Signal is passed on to computer microprocessor system 193 (see Fig. 9).If the temperature of glass is in acceptable pre-heating temperature scope It is interior, for example, immediately lower than glass sink when temperature at a temperature of, vehicle frame 170 is moved in stove 78.If glass is not can In the range of the forming temperature of receiving, then vehicle frame 170 is not moved in forming furnace 78, and takes appropriate action, for example, it is but unlimited In, if glass temperature is too low, increase stove 76 temperature, if or glass temperature it is too high, reduce stove 76 temperature.
After glass sheet 68 and 69 reaches required temperature, the door 94 of the second stove 78, and the first stove 76 and second are opened Indicated in the inside 90 for the stove of opening 84 to the second 78 that the short roller 168 of stove 78 passes through the second stove 78 with moving carriage 170 through being powered Shaping position (will be discussed in detail below).It can be closed in any time after vehicle frame 170 has been reached in the inside of the second stove 78 Close the door 94 of the second stove 78.The inside 88 of the second stove 78 is positioned in the vehicle frame 170 with glass sheet 68 and 69 and bending iron 70 In in the shaping position that indicates or after vehicle frame 170 has passed past (clear) door 94 (as discussed below), close door 94, and put into practice The manufacturing process of the invention carried out using gyrotron 177 discussed in detail below.
After glass sheet 68 and 69 is shaped, gyrotron 177 is beaten through powering off or stopping using (deactivated) Open the door 94 of the second stove 78.The short roller 168 of first stove 76 and the second stove 78 is respectively through being powered with by with shaped sheet material 60 And 61 vehicle frame 170 moves through the opening 84 of the second stove 78 and in the inside 88 of the first stove 74 from the inside 90 of the second stove. After in the inside 88 that vehicle frame 170 is moved to the first stove 76, the door 94 of the second stove 78 is closed.Controllably cool down shaped Glass sheet is with annealed sheet.When completing method for annealing, open the first stove 76 door 92 and by removable conveyer 202 (see Fig. 8) it is moved in the opening 80 of the first stove 76 and is aligned with the short roller 168 with the first stove 76.The short roller 168 of first stove through be powered with Vehicle frame 170 is removed to the inside 88 of the first stove 76, to removable conveyer 202.By the removable conveyer with vehicle frame 170 Be moved to divestment stations (not showing), and by it is any generally in a manner of shaped glass sheet is removed from bending iron 70.
Discussion now refers to use gyrotron 177 (on demand, seeing Fig. 5, Fig. 6 and Figure 10) by one or more glass sheets Part be heated to its bending or forming temperature.It is noted that the application describes the use of convolution guard system.Gyrotron right and wrong Limitative examples, and any suitable system can be used to come through the thickness (outer surface and inside comprising sheet material) of sheet material Local heating (spot-heat) glass sheet.Suitable system is comprising the hyperfrequency produced in microwave spectrum (for example, at least 20GHz (gigahertz)) and high power (for example, at least 5kW (kilowatt)) electromagnetic waves.For example, such as, klystron or traveling wave Pipe, but the output frequency of these devices and wattage are less than the output frequency and wattage of convolution guard system.As previously discussed, use is curved After song cutting method with remove with optical distortion (such as, but not limited to this, by for glass sheet be held on bending iron with up to To needed for the required temperature for bending long period produce) glass sheet part it is transparent for airborne vehicle to manufacture The glass of part.For example, it is desirable to by using other of gyrotron or high-energy electromagnetic radiation source, cause using conventional method Heating is crossed to realize that the required bending of glass is unnecessary in the surface of glass sheet.Can be by sheet glass using gyrotron Material surface temperature reduces 30% to 40%, and the selected part of glass sheet is internally heated into its bending or forming temperature. As it can be appreciated that it is expected, the reductions of the needs of heating, and glass are crossed to glass surface by the conventional method of regulating stove temperature now The elimination of bending iron and/or the gained for crossing heating of copping rail that sheet material is seated, substantially reduces glass and stains, and help significantly Cutting method is to for such as glass sheet of airborne vehicle Transparent Parts after measures needed for being cut in use substitute bending Bending.
Gyrotron is high-power linear wave beam vacuum tube, and it can be produced close to infrared ray Terahertz (THz) wave spectrum The high power at edge, high frequency electromagnetic radiation.It is to be based on vibrating in high-intensity magnetic field (for example, such as being provided by superconducting magnet) that it, which is operated, Electronics stimulation cyclotron radiation.It is (all that high power, any suitable microwave generator of high-frequency electromagnetic wave can be produced Such as, with scope for the output frequency from 20GHz to 300GHz and with the microwave generator of at least 5kW power output) will It is suitable.The schematic diagram of the various parts of displaying instruction gyrotron 177 in Figure 10.In general, and be not limited to the present invention, In the operation of gyrotron 177, the strong magnetic of electronics that the negative electrode 206 that is surrounded by rifle coil magnet 208 is launched in superconducting magnet 210 Accelerate in.When electron beam 212 travels across high-intensity magnetic field 210, electronics starts by the given specific frequency of the intensity by the magnetic field Rate is circled round.In the cavity 214 positioned at the position with highest magnetic field intensity, consumingly amplify THz radiation.Mode converter 216 leave gyrotron 177 and coupled to the free Gaussian beam 217 of waveguide 224 to be formed via window 222.The behaviour of gyrotron It is well known in the art, and is considered as necessary without further discuss.Gyrotron is purchased from for example Philadelphia, Pennsylvania Gyrotron Technology, Inc..
With continued reference to Figure 10, free Gaussian beam 217 passes through waveguide 224 to optical box 178.Optical box 178 has mirror (not Displaying), it is configured so that free Gaussian beam 217 is collimated into single wave beam 225 as known in the art, and controls wave beam 225 size, for example, diameter.Collimated wave beam 225 leaves optical box 178 via waveguide 226 and reached in mirror case 179.Mirror Box 179 has one or more moveable mirrors 228 (showing a mirror in Fig. 10 with mirage (in phantom)) with advanced wave Beam 225 passes through the presumptive area defined by cone 230 (see Fig. 6 and Figure 10).In Fig. 10, the wave beam 225 for moving through cone 230 enters Penetrate on flat glass sheet, for example, being positioned at the flat glass sheet 68 and 69 on bending iron (for example, bending iron 70 (Fig. 4)).Sheet material 68 And 69 and bending iron 70 shown in Fig. 10 with block diagram.
Discuss now refer to using the heated flat glass sheet 68 and 69 (see Fig. 3) of wave beam 225 from gyrotron 177 by The part 232 of the shaping of joint arm 234 of bending iron 70 (Fig. 4) and the part 236 shaped by the fixation copping rail rail 238 of bending iron 70. In general, joint arm 234 is maintained at bottom by the flat glass sheet 68 and 69 being positioned on the copping rail 239 of joint arm 234 Put in (as shown in FIG. 4), this maintains the weight (weight) 240 in position.When covering glass sheet 68 and 69 When the part 232 of the copping rail 239 of the joint arm 234 of lid bending iron 70 is heated to the forming temperature of glass sheet 68 and 69, weight 240 move down, so as to move up joint arm 234 so that the part 232 of glass sheet 68 and 69 is configured to open up in fig. 2 The shape 232 being shown on sheet material 60 and 61.It is discussed in greater detail for the operation of the joint arm 234 of bending iron 70, tackles USPA ' 494 are referred to.The part 236 of flat glass sheet 68 and 69 is shaped to shaped glass sheet 60 by fixed copping rail 238 And 61 part 236.In the practice of the invention, the wave beam of the origin autoconvolution pipe 177 of part 232 and 236 of glass sheet 62 Flexure temperature of 225 heating to be rapidly achieved for lithium alumina silicate glass in 1000 ℉ to 1100 ℉ scope, and for Flexure temperature of the soda lime glass in 1100 ℉ to 1200 ℉ scope.
Microprocessor or computer system 193 (Fig. 9) (such as, but not limited to, are sent through programming along electric wire 239 Signal), to control the operation of the mirror of optical box 178 to set the wave beam on the part being just formed for being incident in glass sheet 225 size, movement of the wave beam 225 in area 230 (see Figure 10) is controlled to control the movement of the mirror 228 of mirror case 179 Direction and the speed of movement, and by change anode voltage, apply to the magnetic field of system of gyrotron and/or the intensity of voltage come Control the energy of wave beam 225.On demand, reference picture 9 and Figure 10, by the mirror 228 that microprocessor 193 operates along top glass piece The steerable 225 of predefined paths 244 on the surface 246 of material (for example, top glass sheet material 68 towards mirror case 179).Energy Glass sheet is heated to being used for by wave beam 225 when it is moved along the path 244 in the region of the sheet material indicated by numbering 236 Its softening temperature of glass sheet is with the shape of fixed copping rail 238 (see Fig. 4).Energy beam 225 is at it along by numbering Glass sheet is heated to its forming temperature when path 244 in the region of 232 sheet materials indicated (see Figure 11) is moved, now, The joint arm 234 of bending iron 70 makes the sheet forming in region 232.Through the top plate 180 of the stove 78 on every side of mirror case 177 Installation is pyrometer 250 (see Fig. 6) to monitor the temperature of glass.Pyrometer 250 is connected to microprocessor or meter by electric wire 251 Calculation machine 193 to send the signal to microprocessor 193, and microprocessor along electric wire 239 pass on signal with by change along The speed of the wave beam 225 in path 244 and/or needed for being maintained by changing the energy of wave beam by the temperature of the selected part of glass Within the temperature range of, as discussed above.More particularly, the speed for reducing wave beam 225 adds the temperature of glass, and otherwise also So, and increase anode voltage, magnetic field and/or the voltage of application add the temperature of glass, and vice versa.
Example of the invention to make shape glass sheets to use in the manufacture of airborne vehicle Transparent Parts below.Flat glass Glass sheet material 68 and 69 (Fig. 3) is positioned on bending iron 70 (Fig. 4).Bending iron 70 is positioned in vehicle frame 170 (Fig. 7), and vehicle frame is positioned over On the short roller 200 of conveyer 202.Vehicle frame 170 with bending iron 70 and glass sheet 68 and 69 is moved by the short roller 168 of the first stove 76 Move to the inside 88 of the first stove 76 (Fig. 6).Glass sheet in the closure inside of the first stove 76 is heated to less than glass Softening point temperature temperature.Hereafter, the vehicle frame 170 with heated glass sheet 68 and 69 is by the first stove 76 and the second stove 78 short roller 168 is moved in the inside 90 of the second stove 78, and is positioned in cone 230 (see Fig. 6 and Figure 10) region.
The temperature of the inside 90 of second stove 78 is the identical temperature of inside 88 substantially with the first stove 76, i.e. less than bending iron The temperature of the forming temperature of glass sheet on 70.At this temperature, the glass sheet being positioned on bending iron not yet shapes.In car After sheet material is positioned in cone 230 by frame 170, gyrotron 177, optical box 178 and mirror case 179 are through being powered with along scanning pattern 244 (see Figure 10) steerables 225.When wave beam 225 moves along scanning pattern 244, gyrotron 177 is in mode of operation In.Energy beam 225 adds glass sheet when it is moved along the path 244 in the region of the sheet material indicated by numbering 236 Heat is to its softening temperature for being used for glass sheet with the shape of fixed copping rail 238 (see Fig. 4).Energy beam 225 is on its edge And glass sheet is heated to its shaping temperature when the path 244 in the region of the sheet material indicated by numbering 232 (see Fig. 9) is moved Degree, now, the joint arm 234 of bending iron 70 makes the sheet forming in region 232.When section 250 of the wave beam along scanning pattern moves When, wave beam is in mode of operation to heat the section 232 of sheet material 68.When the section or part 232 for heating sheet material 68, sheet section is soft Change, and the weight 240 of bending iron moves up be hinged rail 238 so that the part 232 of sheet material 268 shapes.After sheet forming is made, extremely The electric power of gyrotron 177 is reduced or disconnected so that gyrotron and wave beam 225 are placed in idle mode.
The short roller 168 of second stove 78 and the first stove 76 is respectively by the vehicle frame 170 with shaped sheet material 60 and 61 from The inside 90 of two stoves 78 is moved in the inside 88 of the first stove 76.Shaped sheet material in first stove 76 is through controllably cooling down With shaped glass sheet of annealing.Hereafter, vehicle frame 170 is moved to removable conveyer 202 by the short roller 168 of the first stove 76 On, and removable conveyer is moved to removal region (not showing).
As it can be appreciated that when door 92 and 94 (see Fig. 5 and Fig. 6) is opened, taken care to ensure that vehicle frame 170 (see Fig. 9) is mobile now To stove 76 and 78, and between stove 76 and 78.As security feature, vehicle frame is followed the trail of using tracing sensor 300,302 and 304 170 position when it moves through stove 76 and 78.Although being not limited to the present invention, in tracing sensor 300,302 and 304 Each includes caused continuous light beam, and such as, but not limited to, the laser being incident on detector produces light beam.When vehicle frame 170 When moving through continuous light beam, the light beam is guided away from detector, and the detector will indicate that light beam is not incident along cable 306 Sent in the signal on detector to microprocessor 193.Computer microprocessor system 193 sends signal along electric wire 308, with Open or close the OR gate 94 of door 92.By means of illustrating and being not limited to the present invention, tracking detector 300 is positioned in stove 76, with door 92 are spaced apart the distance of the width more than vehicle frame 170.The path of the traveling of light beam and the traveling of vehicle frame 170 is into transverse direction.Work as vehicle frame 170 when being moved in stove 76, and vehicle frame 170 is by guiding detector of the light beam away from sensor 300 to interrupt the light beam.Tracking passes The detector of sensor 300 sends the signal for indicating the non-collision detector of light beam to microprocessor 193 along cable 306, and should Microprocessor sends signal to be powered to motor 124 (see Fig. 5) to close door 92 along cable 308.
Optionally, when vehicle frame 170 moves through stove 76, glass sheet 68 and 69 is heated, or glass sheet 68 and 69 It is moved to the center of stove and stops heating the sheet material.After glass sheet is heated, glass is moved towards the door 94 for separating stove 76 and 78 Glass sheet material 68 and 69 (see Fig. 3) and vehicle frame 170.The light beam of vehicle frame interrupt sensors 302 and along cable 308 by signal pass on to Computer microprocessor system 193 to motor 145 to be powered to raise door 94.To system timing so that vehicle frame 193 can be without any Intrusively continuously it is moved to from the first stove 76 in the second stove 78.Vehicle frame 170 is moved in stove 78, and completely into stove 78 Afterwards, the light beam of interrupt sensors 304.Sensor 304 is passed on signal to microprocessor 193 to close door 94 along cable 308; Microprocessor 193 passes on signal to be powered to motor to close door 94 along cable 308.Vehicle frame 170 is moved in shaping position And conveyer stops.As can be appreciated, the distance and the speed of vehicle frame 170 from shaping position to the light beam of detector 304 are known , and in this way, when vehicle frame and glass sheet are in shaping position, the motion of conveyer can be stopped.The present invention's In another example, vehicle frame 170 is positioned at into morpheme using tracing sensor 309 (show with mirage and only show in figure 6) In putting.When vehicle frame 170 shifts or interrupted the light beam of tracing sensor 309, transmission signal (for example, along cable 306) is to counting Calculation machine microprocessor system 193, and computer microprocessor system transmission signal (for example, along cable 308) is to stop post roller The rotation of (stud roll) is so that vehicle frame 170 and glass sheet are positioned in shaping position.Optionally, sensor 309 and calculating The timing of machine microprocessor system can be used for relative to positioning of beam vehicle frame.
After glass sheet 68 and 69 is shaped, vehicle frame 170 and shaped sheet material are removed into stove 74.More particularly and not It is limited to the present invention, vehicle frame 170 makes the light beam of sensor 304 deflect or interrupt opening door 94, closes the beam broken of detector 302 Door 94 is closed, and the beam broken of detector 300 is opened door 92.
As can be appreciated, the invention is not restricted to the design of stove 74, and the present invention covers with institute such as, but not limited to above Any kind of stove practice present invention of stove shown in Fig. 5 and Fig. 6 of discussion and the Figure 12 to Figure 15 being discussed herein below.Particularly Ground, show in Figure 12 has the stove 258 of the first stove 76 and the second stove 78 discussed herein above respectively, and is attached to second Second 86 (see Fig. 5, Fig. 6 and Figure 12) of opening of stove 78 stove 260.Stove 260 is similar with the first stove 76 (if differing).It is logical Cross shown in Figure 12 stove to configure, the vehicle frame 170 with bending iron 70 (with sheet material 68 and 69) can be along being indicated by arrow 270 Path is moved, through stove 76 to preheat glass sheet 68 and 69, through stove 78 so that glass sheet 68 shapes, and through stove 260 glass sheet 60 and 61 (being discussed as described above for the first stove 76) to anneal shaped.In the second example of the present invention, Stove 258 can respectively using the first stove 76 and the second stove 78 make glass sheet 68 and 69 shape, as discussed above, by along by Vehicle frame 170 of its path that arrow 272 the indicates movement with bending iron 70 and glass sheet 68 and 69, and with the class of stove 76 and 78 As mode shape second group of glass sheet 68 and 69 using stove 78 and 260, and along its path indicated by arrow 274 Mobile second group of glass sheet.
Reference picture 13, show another example of the stove indicated by numbering 261.Stove 261 includes stove 76,78 and 260 (see figure And stove 262 and 264 12).Forming furnace 78 is between stove 262 and 264.The glass handled using stove 261 is had in the horizontal direction Travel path 270 and 278 and travel path 270a and 278a in vertical direction, as shown in Figure 13;It is reciprocal to advance Path 272 and 274, and reciprocal travel path 275 and 276 in vertical direction, as shown in Figure 13.Along travel path The glass sheet of 276 movements is movable in stove 262 and 78 and stove 264 and 78 and removed stove 262 and 78 and stove 264 and 78.Such as It can be appreciated that the transmission system for stove shown in Figure 13 78 is adjustable or possesses two layers of transmission system with along path 278 moving carriage pass through stove 262,78 and 262, and pass through stove 76,78 and 260 along path 278a moving carriage.
Reference picture 14, show still another non-limiting embodiment of the stove of the invention indicated by numbering 280.Stove 280 Comprising the first continuous tunnel furnace 282 to be preheated when the side of arrow 284 moves up to it when flat glass sheet 68 and 69.Sheet glass Material 68 and 69 can be positioned on bending iron 70, or as discussed above, bending iron 70 can be positioned in vehicle frame 170.It is positioned at continuous tunnel furnace Forming furnace 286 at 282 port of export 287 can have any number of gyrotron to provide any number of forming strip, example Such as, with a forming strip 230 of solid line illustrated, or two forming strips 231 shown with mirage, or with solid line 230 and unreal As three forming strips 231 of displaying.Second continuous tunnel furnace 288 is connected to the port of export 289 of forming furnace 286 controllably to cool down Shaped glass sheet 60 and 61.Heat sensor 324 and position sensor 320 and 321 are depicted in addition.
Heat sensor 324 is any biography of the data for the temperature that can produce the one or more parts for representing glass sheet Sensor or scanning device (such as, IR scanners or IR imaging sensors), such as, charge coupling device (CCD), infrared laser Sensor component, heat imaging device or thermal scanner, as widely known and commercially available.The expression of glass sheet can pass through computer Implementation processing, the data (such as, original ccd data) obtained by compilation (assemble) from heat sensor and generation sheet glass At least one of two dimension or three dimensional temperature profile of material produce.It is following indicated, dsc data is obtained from heat sensor, and will From temperature curve caused by the data compared with reference temperature curve is in computer-implemented processing, and caused temperature curve with Any difference between reference temperature curve is trigger, and it selectively heats glass sheet so that sheet glass by gyrotron The temperature curve of material and reference temperature Curve Matching.Carry out the computer-implemented processing of these tasks and what is indicated herein appoints What task is easy to be designed by the those of ordinary skill of computer generated image and process control field and implemented.One or more can be used Heat sensor, and can be used more than one different types of sensor bent to obtain the accurate and useful real-time heat of glass sheet Line.
Position sensor 320 and 321 is any device for the data that can produce the shape for representing glass sheet.Position passes The non-limiting examples of sensor are CCD and laser sensor, as widely known and commercially available.Data are from position sensor 320 And 321 obtain and by computer-implemented processing compilation to produce the pattern curve of the glass sheet in stove 78.It is following indicated, from Position sensor obtains position data, and will be from pattern curve caused by the data and reference figuration curve from computer-implemented Compare in reason, and any difference between caused pattern curve and reference figuration curve is trigger, it is selected by gyrotron Selecting property glass sheet is heated so that the pattern curve and reference figuration Curve Matching of glass sheet.Any number of position can be used Sensor is put, as long as obtaining the significant data for the real-time geometric curve for being related to the glass sheet during bending method.Together Sample, pattern curve caused by the position sensor acquisition of more than one type can be used to obtain the glass during bending method The accurate and useful real-time representation of glass sheet material.For example, the three-dimensional shape curve of two CCD generation glass sheets can be used, together When the locus of one or more points on the surface of glass sheet is determined using one or more laser distance sensors Or orientation, best to determine the degree of crook of glass sheet at any time.
Heat and the acquisition and processing of shape data and the use of those data can bent with producing temperature and pattern curve Be repeated one or more times during method, for example, by scope be from every 0.0001 second to every the interval of 60 seconds, comprising every 0.0001 second, 0.001 second, 0.01 second, 0.1 second, 0.5 second, 1 second, 2 seconds, 5 seconds, 10 seconds, 15 seconds, 20 seconds, 30 seconds and 60 seconds, bag Containing any increment therebetween.Shorter time interval even is expected, and shorter time interval is only by computer system Handling capacity (for example, processing power) limits.Circle round guard system may not with computer system can as analyze data it is quick Ground response computer system, therefore sweep spacing can be set based on the response of convolution guard system.Nonetheless, in related hardware The limit in, the scanner uni analysis of hot and optional space curve can be carried out than the fast speed of control of gyrotron.
Such as by skilled in the art realises that, during the shaping of sheet material, the entrance opening 290 of the first continuous tunnel furnace 282 and The exit opening 292 of second continuous tunnel furnace 288 can stay open.The door for ingressing and egressing out forming furnace 286 is preferably incited somebody to action through opening Glass sheet to be formed is moved in stove 288 and removes the stove, and during the shaping of the glass sheet in forming furnace 286, Door (see Fig. 5 and Fig. 6) closes the further minimum heat losses so that during sheet forming method.Optionally and in the scope of the present invention Interior, the door of continuous tunnel furnace can stay open passes through tunnel stove so that shape glass sheets for glass sheet continuous moving.
Figure 15 schematically shows the example of Fig. 6 furnace system.For ease of visualization, Fig. 6 stove and Figure 15 are shown The unnecessary Fig. 6 of operation and architectural difference between stove details is omitted, but is contained in Figure 15.Such as in figure 6, Figure 15 Furnace system 74 include first chamber 76, second chamber 78 and the door 94 supported by U-shaped member 136.First chamber 76 is via making The glass sheet delivered on conveyer 202 is preheated in the range of 900 ℉ to 1000 ℉ with infrared heater Temperature, but depending on the material of glass sheet, other suitable pre-heating temperatures can be utilized.In use, glass sheet supports Or it is positioned at bending iron (not showing, but as described and describing herein).The second chamber of shaping chamber is also called herein Room 78 selectively heats the part of flat glass sheet to realize the required shape of glass sheet.The infrared ray of second chamber 78 Heater maintains the temperature of chamber to about 1000 ℉ to 1100 ℉, or the immediately lower than shaping of glass sheet or sagging temperature Any temperature.The specific part of glass sheet (includes gyrotron 177, optics in second chamber 78 by gyrotron beamformer system Box 178 and mirror case 179) selectively heat.Using for High-Power Microwave system described herein have an advantage that, microwave source The accurate location heating glass sheet of (for example, gyrotron) internally and on glass sheet.On the other hand, conventional red outside line Heater only heats glass surface, and is reached via heat transfer, energy in glass.As a result, under conventional red outside line heating, glass Surface significantly than inner glass temperature heat, therefore increase for glass bending not it is desirable that manufacturing condition possibility Property." selectivity heating " means that gyrotron beamformer system is related to specific region, part or the position of heating glass so that sheet glass Material sink, to produce required shape.Once shaped to the required specification of glass sheet, so that it may control ground cooled glass sheets Material.In the embodiment shown, first chamber 76 acts also as the cooling chamber for annealed glass sheet material so that once should Glass sheet shapes in second chamber 78, just returns it to first chamber 76, at first chamber 76, in a manner of controlled Cool down the glass sheet.The 3rd chamber that furnace system 74 can be included on the side relative with first chamber 76 of second chamber 78, And glass, via second chamber 78, is reached the 3rd stove by conveyer 202 in order from first chamber 76.Figure 14 furnace system 280 Depict and be similarly oriented.3rd stove comprising can method for simplifying, it is, glass sheet can move through in a linear fashion is System.3rd stove is cooling chamber, and it can controllably cool down shaped glass sheet with shaped glass sheet of annealing. 3rd stove can be modified so that shaped glass sheet can be strengthened by heat tempering or heat.
In addition to pyrometer 204 shown in Fig. 6, or the pyrometer is replaced, may also provide infrared ray sensor 324.It is high Temperature meter 204 and/or infrared ray sensor 324 monitor the temperature of the sheet material of whole glass and/or the specific part of the glass.Such as this Used in text, " part " be less than object whole or 100% amount, and can be object (such as, glass sheet) on and/or In point, line, region, area etc..
Method and system described herein depend on computer in an aspect, such as are similar to but are not limited to micro- place Device 193 is managed, at least for the progress of the heating and the bending that monitor and control glass sheet described herein.Computer or calculating Machine system can be in any entity form, such as, personal computer (PC), credit computer, personal digital assistant (PDA), intelligence Energy mobile phone, tablet personal computer, work station, server, main frame/enterprise servers etc..Term computer, computer system or microprocessor Device system or computer microprocessor system can be employed interchangeably herein.Computer includes the finger carried out for computer The one or more processors of order, for example, CPU (CPU).Computer also includes (all by any suitable structure Such as, system bus) memory (memory) of processor is connected to, for example, RAM and ROM (for example, storage UEFI or BIOS). Computer also includes being used for the non-transitory holder (storage) for storing programming and data, and it is in computer-readable matchmaker The form of body (one or more), such as, hard disk drive, solid-state hard drive (SSD), CD-ROM drive, tape drive, flash memory (for example, non-volatile computer storage chip), cartridge drive (cartridge drive) and the control for loading new software Element processed.Computer system as described in this article is not limited by the relative position of any topological or various hardware elements, from And recognize the entity and virtual architecture of the change that general those skilled in the art use when implementing computer system.
Data, agreement, controller, software, program etc. can be locally-stored in computer, for example, in hard disk drive or In SSD;It is stored in local area or wide area network, for example, in the form of server, network associate driving (NAS);Or remote storage, So that it is attached via Internet connection (for example, via remote access).Can be (all by data in computer-readable media Such as, image, temperature curve or the pattern curve for producing or using by method and system described herein) it is organized in database In, database is the set through tissue for the data of one or more purposes.Form other of the element of normatron Example hardware includes input/output device/port, such as, but not limited to:USB (USB), SATA, eSATA, SCSI, thunder and lightning interface (Thunderbolt), display (for example, DVI or HDMI) and Ethernet port (such as widely known), And graphics adapter, it can be for CPU integral part, the subsystem of mainboard or as single hardware device (such as, video card). Wi-Fi (IEEE 802.11), bluetooth, ZigBee etc. wireless communication hardware and software also may be included in computer.Meter The component of calculation machine need not be contained in same shell, and can be connected to via any suitable port/bus outside master computer Shell.In typical computer, at least CPU, memory (ROM and RAM), input/output function and usually hard disk drive Or SSD is connected together with display adapter receiving, and by the high performance bus of any available topologies.
Computer with holder and memory capabilities can include design, storage and the controller of progress for allowing instruction Aspect, the instruction can be carried out for individually or collectively instructing computer system by programming interaction and operating, and it is at this " program instructions " are referred to as in text.In the case of calculating, extensively broadly, computer-implemented processing (that is, program) refers to production Any computer-implemented activity of raw result, such as, the implementation of mathematics or logical formula or computing, algorithm etc..
One example of controller is the software application for being installed in the progress for being used for key instruction in computer system (for example, basic input/output (BIOS), unified Extensible Firmware Interface (UEFI), operating system, browser application journey Sequence, client application, server application, agent application, online service provider application program and/or private Web application).In an example, controller is based on WINDOWSTMOperating system.Can be by using any suitable Computer language (for example, C C++, UNIX SHELL SCRIPT, PERL, JAVATM、JAVASCRIPT、HTML/DHTML/ XML, FLASH, WINDOWS NT, UNIX/LINUX, APACHE, RDBMS, INFORMIX and MySQL comprising ORACLE) and/ Or Subject-oriented technology implements controller.
Controller can be permanently or temporarily with any kind of machine, component, entity or virtual unit, store media or energy It is enough the transmitting signal for being transferred to computer system to be instructed to embody.Especially, controller (for example, software application, and/ Or computer program) any suitable computer-readable media that can be read by computer system can be stored in (for example, dish, device Part or transmitting signal) on so that if computer system reads store media, carry out function described herein.
Computer contains " agreement ", its for control for example for glass sheet bending method instruction and data.It is various Modeling technique can be used to development agreement, and can be embodied as the part of computer-implemented agreement.Modeling technique is included specific to glass The science and mathematical modeling of glass bending method, it can determine the method necessary to the final glass sheet of high quality is realized The required temperature of different phase.For example, the pre-heating temperature in the exit of the first stove, the glass shape in glass formation stove Into/flexure temperature curve, outlet glass temperature and Annealing Temperature of Glass when forming method is completed.Protocol integrated test system gyrotron Beamformer system establishes heating curves to realize the given shape for glass sheet.Gyrotron wave beam can manipulate in a variety of ways, Such as, change the path of gyrotron wave beam, speed, width, shape, frequency, at certain position (position on glass sheet) place Residence time or intensity/energy (for example, kilowatt, kW).In one embodiment, beam angle, beam shape, intensity/energy Amount and frequency are constant, but the position of gyrotron wave beam, path, speed and/or modified in the residence time of certain opening position To provide the required heating curves on sheet material.In another example, when gyrotron wave beam is just being move across glass with constant speed When the surface of glass sheet material is to produce required heat curve, the electric power of the gyrotron wave beam can manipulate.In another example, technology Personnel can change both electric power and wave beam speed to realize same effect.Agreement includes at least being used to control appointing for gyrotron wave beam What or be possible to parameter are (such as:Position, path, intensity/energy, speed, beam shape, beam diameter and output frequency, its Can by after convolution pipe unit or gyrotron optics control) instruction.Thus, the heat curve on protocol integrated test system glass sheet And/or heat distribution, for obtaining the required form and dimension of glass sheet.The part of agreement is included as, computer connects Receive and processing carrys out the real time data of self-heating and position sensor (especially, heat sensor, and optionally, position sensor).Meter Calculation machine then produces temperature curve by real time data, and optionally, pattern curve.Temperature curve and pattern curve are only computer In can be associated in bending agreement storage reference temperature and pattern curve compared with expression.Computer system is by caused song Line is compared with reference curve to determine on glass sheet between the caused curve and reference curve of one or more positions Difference, and if having differences and one or more positions need to heat so that the temperature and shape of glass sheet on glass sheet Matched with reference curve, then one or more parameters of computer control gyrotron wave beam are to selectively heat glass sheet A part is to correct those differences.In addition to upper, optionally, computer is from one or more temperature sensors (such as, according to this The thermoelectricity occasionally IR scanners of the one or more chambers and/or stove of the system of any example of described in the text) receive extra temperature Degrees of data, and thermostat is served as, the environment temperature of monitoring and adjustment chamber, for example, being added by adjusting the IR utilized in systems The output of hot device, hair-dryer etc..For example, in an aspect, thermocouple (for example, as illustrated in figure 6) detects the second stove 78 Temperature, as shown in Figure 15.If the second stove 78 is not at required temperature, (use example is as discussed for computer Computer-implemented processing) by the actual environment temperature of the second stove 78 with for the second stove 78 storage reference environment temperature ratio Compared with, and the heat of the second stove of adjust automatically 78 is to reach the reference environment temperature of storage.With reference to " the ring of stove described herein Border temperature " means the temperature of the atmosphere at the one or more points in stove, and does not refer to the temperature of glass sheet.
In another aspect, heat sensor 324 is sent to the IR figures of the glass sheet being just bent of computer for capture The IR laser sensors of picture, it is by the image of capture and the part for saving as glass bending agreement for particular glass sheet material Compare with reference to image, and if identical in image of certain position on glass in less than the part for saving as glass bending agreement The temperature of the temperature of position, then gyrotron wave beam is guided to heat the position, until the Temperature Matching of the position saves as glass bend The reference temperature of the image of the part of association of folk art workers's view.As used herein, for the agreement from glass sheet generation given shape The one or more references for being used for the given shape and glass sheet containing one or more time points during bending method Temperature distribution history and pattern curve.
Figure 15 further depict optional position sensor 320.Also can be used suitable light source with permit imaging necessity Degree on the illumination of glass sheet is provided, but in order to be imaged purpose, heated glass generally launches enough light.Position passes Sensor includes single unit or the multiple units for allowing real-time image capture or the capture of data, data instruction glass sheet On one or more positions locus.Non-limiting examples are from RockwellAutomation (Allen Bradly) The position sensor of acquisition, for example, 42CM 18mm LaserSight or 42EF LaserSight RightSight are suitable Position sensor.Position sensor can be imaging sensor, such as, accommodate the independent position together or being contained in chamber 78 Put one or more CCD and/or laser sensor devices at place.CCD and/or laser sensor device output in computer or The 2D images of processing in device.The image can be used in the form of its 2D, or can form 3D images by computer disposal to produce The curve of the real-time spatial position of any part or point on instruction glass sheet and the glass sheet of shape, and then by the 2D Curve is adjusted by gyrotron wave beam and heated so that the shape of glass sheet is bent compared with the reference curve for being associated in agreement Line matches with reference curve.A large amount of a variety of positions, distance, measurement, displacement, curve, 2D and 3D sensors are (for example, laser sensing Device) it is commercially available, such as and be not limited to, from Rockwell Automation (Allen Bradly), St.Louis Missouri Emerson Electric, Portland Oregon Schmitt Industries, Inc. and Hoffman Estates, Illinois Omron Automation&Safety.Under any circumstance, position sensor is connected to computer, and data Optionally mutually coordinate with IR data described above, obtained from position sensor, and by the data and be associated in for making spy The reference data for determining the agreement of glass sheet bending compares, and any portion of of gyrotron wave beam adjustment glass sheet can be used Temperature.
As shown in Figure 15, two position sensors 320,321 are shown.The glass sheet put at any given time Synthesizing the set of (composite) 3D images or image can be produced by computer-implemented processing, to assess at any time The shape of the glass sheet of point.Can be by the set of 3D images, resultant image or image caused by the computer system of glass sheet And/or its part is compared with the value of the reference figuration curve of agreement, and if in the presence of the required shape with being stored in agreement The environment temperature of deviation, the then stove 78 of computer system control gyrotron 177 and/or second, optionally, with reference to from 2D infrared rays The infrared image data of imaging sensor 324, to heat glass sheet or part thereof, so that shape glass sheets are matched somebody with somebody with meeting The requirement of side.Figure 16 provides described herein method of the explanation using two or three chambers as discussed on Figure 15 Non-limiting embodiment flow chart.
Gyrotron wave beam can be manipulated in a variety of ways, such as, change the path of gyrotron wave beam, speed, width, frequency, In the residence time of certain opening position or energy intensity or electric power.In an example, beam angle, energy and frequency are constant , but the position of gyrotron wave beam, path, speed and/or the residence time in certain opening position be varied to provide on sheet material Required heating curves.
" temperature curve " or " temperature distribution history " instigates the method phase in heating that particular glass sheet material bends and cooled down Between any one or more time points the glass sheet any one or more parts temperature.As made herein With " reference temperature curve " refers to and associated locally-stored in department of computer science of agreement for bending any particular glass sheet material The temperature distribution history for any particular glass sheet material of system or remote storage.Reference temperature curve is by any method (such as, by formula and/or trial-and-error method) creates or exploitation, to produce the given shape of particular glass sheet material.For from glass Sheet material produce needed for the reference temperature distribution curve of shape will depend on many factors, included among each factor it is following because Element:The forming of glass sheet, required shape and bending iron shape and feature.By the way that predetermined temperature profile is used as into reference, and The final convolution guard system that manipulates to selectively heat glass sheet, not only the inside of glass and also extend through glass produce it is uniform Glass viscosity distribution.This of glass viscosity is uniformly distributed and eliminates crossing for glass surface and heat, and as a result, glass sheet will be by Gratifying optical quality is formed or bent into required shape.
When term " pattern curve " refers to any one or more during the method for heating, bending and cooled glass sheets material Between 2D the or 3D shapes of glass sheet put." reference figuration curve " refers to and the agreement phase for bending any particular glass sheet material The locally-stored of association is used to be somebody's turn to do in any time point being directed in glass forming method of computer system or remote storage The pattern curve of particular glass sheet material.Reference figuration agreement is to be created by any method (such as, by formula and/or trial-and-error method) Make or develop, to produce the given shape of particular glass sheet material.Such as predetermined amount of heat distribution, needed for being produced as glass sheet The reference figuration curve of shape will depend on many factors, following factor is included among each factor:The composition of glass sheet, Required shape and bending iron shape and feature.
Present invention further contemplates that the use of safety means makes the injury to personnel of operation equipment to be restricted or prevented, and/or Prevent or limit the damage to equipment.Such as and be not limited to the discussion, equipment includes arc detector 330.Arc detector 330 It is installed in stove 78 and comprising the photocell that microprocessor 193 is connected to by cable 306.As known in the art, electric arc is made With the material for being ionization, it is such as, but not limited to, the cave (air born pocket) of the air bearing of dust, and be revealed as cluster Light.Arcing phenomenon is well known in the art, and is considered as necessary without further discuss.Detector 330 Photocell senses arcing and passes on signal along cable 305.Microprocessor 193 passes on signal to close along cable 308 Gyrotron with prevent from making the personnel around stove 78 by injure to convolution tube apparatus damaged.
The example of the present invention is discussed so that two shape glass sheets.As now it can be appreciated that the invention is not restricted to this, and can To a sheet material or more than two sheet material (such as, but not limited to, three, four or more sheet materials) practice present invention.
The present invention can be further characterized by the clause numbered with lower band.
Clause 1:A kind of method for making shape glass sheets, it includes:
A. it is from 600 ℉ to 1000 ℉ pre-heating temperature the glass sheet on bending iron (70) to be preheated into scope;
B. it is from more than the pre-heating temperature to the temperature being sunk less than the glass temperature of the sheet material to be increased into scope Temperature;
C. bend the glass sheet by following operation:
I. with producing the glass by the hyperfrequency of computer-implemented protocol integrated test system, the device (177) of high-power electromagnetic ripple A part for sheet material is selectively heated to the sagging temperature of at least a portion of the glass sheet;
Ii. one or more time points during or after the selective heating stepses are with one or more heat sensors (324) at least a portion of the glass sheet is scanned, and is obtained from the data obtained from one or more heat sensors (324) For the Temperature Distribution at least one of at least two dimension of the glass sheet;
Iii. using the computer-implemented reference temperature handled the Temperature Distribution of the acquisition and the computer-implemented agreement Distribution is compared;And
Iv. with the hyperfrequency by computer-implemented processing control, the wave beam (225) of high-power component (177) optionally The glass sheet is heated so that the Temperature Distribution of the acquisition matches with the reference temperature distribution of the computer-implemented agreement.
Clause 2:Method as described in clause 1, wherein producing hyperfrequency, the device (177) of high-power electromagnetic ripple is convolution Pipe.
Clause 3:Method as described in clause 1 or 2, it further comprises the step ii. to iv. for repeating the bending step, Until the Temperature Distribution of the acquisition matches the reference temperature distribution of the computer-implemented agreement.
Clause 4:Method as any one of clause 1 to 3, wherein bending step c. further comprise:
V. one or more time points during the selective heating stepses are from one or more position sensors (320 And 321) obtain at least one of position data of the glass sheet and use computer reality at one or more time points Apply processing and produce the pattern curve for being used for the glass sheet;
Vi. using the computer-implemented reference figuration curve handled caused pattern curve and the computer-implemented agreement Compare;And
Vii. with the hyperfrequency by computer-implemented processing control, the wave beam (225) of high-power component (177) optionally The glass sheet is heated so that the pattern curve of the glass sheet and the reference figuration Curve Matching.
Clause 5:Method as described in clause 4, it further comprises the step v. to vii. for repeating the bending step, until The pattern curve of the acquisition matches the reference figuration curve of the computer-implemented agreement.
Clause 6:Method as described in clause 4 or 5, wherein being substantially simultaneously compared step iii. and vi..
Clause 7:One in method as any one of clause 4 to 6, the wherein position sensor (320 and 321) Or multiple is camera or charge coupling device (CCD).
Clause 8:Method as described in clause 7, the wherein pattern curve are by the three-dimensional of the data compilation obtained from multiple CCD Pattern curve.
Clause 9:Method as described in clause 7, the wherein pattern curve are by the data remittance obtained from multiple laser sensors The 3D shape curve of volume.
Clause 10:Method as any one of clause 4 to 9, the wherein one or more position sensors (320 and One or more of 321) it is laser sensor.
Clause 11:Method as any one of clause 1 to 10, wherein before heating and shaping, glass sheet warp It is cut to required size.
Clause 12:Method as any one of clause 1 to 11, the wherein heat sensor (324) be IR scanners or/ It is laser sensor optionally with IR imaging sensors.
Clause 13:A kind of system, it includes:
First stove (76), it includes infrared heater (172) and temperature sensor (191);And
Second stove (78), it includes infrared heater (172);Produce hyperfrequency, the device of high-power electromagnetic ripple (177);And for control the shape of the glass sheet of the wave beam of the device to the bending iron in second stove (78), position and Mobile optical system;And one or more infrared ray (IR) imaging sensors;
Conveyor system, its be used to delivering on bending iron (70) glass sheet through first stove and second stove (76 and 78);
Computer system, it is connected to one or more the IR imaging sensors and the hyperfrequency, high-power component (177), including processor and for by by the hyperfrequency, high-power component (177) carry out selectivity heat control should The instruction of the bending of glass sheet in second stove (78), the instruction include being used to heat the glass sheet in second stove (78) And during the one or more of the computer-implemented agreement for bending it, the wherein computer system during the bending of glass data Between point the temperature curve of the glass sheet is obtained from one or more IR imaging sensors (324), the temperature of the acquisition is bent Line is compared with the reference temperature distribution of the computer-implemented agreement, and controls the hyperfrequency, high-power component (177) optionally The glass sheet is heated to match reference temperature distribution;And
The 3rd heating furnace (260) of the glass sheet is controllably cooled down, it includes IR heaters, forces cold air convection System and fan.
Clause 14:System as described in clause 13, wherein producing hyperfrequency, the device of high-power electromagnetic ripple (177) is back Coil.
Clause 15:System as described in clause 13 or 14, it further comprises one or more in second stove (78) Individual position sensor (230 and 231), one or more position sensors are configured to obtain is used for the glass during bending The position data of one or more parts of sheet material, the wherein position sensor (230 and 231) are connected to the computer system, And the computer system:
A. one or more time points during the bending of the glass sheet are from one or more position sensors (230 and 231) obtain data;
B. use is produced by the data of the acquisition from one or more position sensors at one or more time points In the pattern curve of the glass sheet;
C. by the reference figuration curve ratio of the pattern curve of the acquisition and the computer-implemented agreement compared with;And
D. the hyperfrequency, high-power component (177) is controlled to selectively heat the glass sheet so that the glass sheet Pattern curve and the reference figuration Curve Matching.
Clause 16:One in system as described in clause 15, wherein one or more position sensors (230 and 231) It is individual or it is multiple be charge coupling device (CCD).
Clause 17:System as described in clause 16, it includes multiple CCD, and wherein the pattern curve is by obtained from the plurality of The 3D shape curve of CCD data compilation.
Clause 18:System as any one of clause 15 to 17, wherein one or more position sensors (230 One or more of and 231) it is laser sensor.
Clause 19:System as described in clause 18, it includes multiple laser sensors, and the wherein pattern curve is by obtaining The 3D shape curve to be collected from the plurality of CCD data.
Clause 20:System as any one of clause 13 to 19, wherein one or more IR imaging sensors One or more of (324) it is laser sensor or CCD.
Clause 21:System as any one of clause 13 to 20, it further comprises thering is the 3rd of IR heaters Stove (260), and the wherein conveyor system further delivers the glass sheet and passes through the 3rd stove.
Clause 22:System as described in clause 21, wherein first stove, second stove and the 3rd stove (76,78 and 260) Form single tunnel.
Clause 23:System as described in clause 22, its be included between first stove and second stove (76 and 78) and Door between second stove and the 3rd stove (78 and 260).
Clause 24:System as any one of clause 13 to 23, the wherein computer system obtain first stove Temperature, and the temperature of first stove (76) is adjusted with according to the computer-implemented agreement matching preheating temperature using the IR heaters Degree.
Clause 25:System as any one of clause 13 to 24, the wherein computer system obtain second stove (78) environment temperature, and the temperature of second stove (78) is adjusted using matching range as from more than the pre-add using the IR heaters Hot temperature is extremely less than the temperature for the temperature that the glass sink.
Those skilled in the art will readily appreciate that, can be to this in the case where not departing from the concept disclosed in described above Non-limiting embodiment of the invention disclosed herein is modified.Therefore, that is described in detail herein is of the invention specific Non-limiting embodiment is only illustrative, and is not limited to the scope of the present invention, and reply is the present invention give appended claims And its complete range of any and all equivalent.

Claims (25)

1. a kind of method for making shape glass sheets, it includes:
A. it is from 600 ℉ to 1000 ℉ pre-heating temperature the glass sheet on bending iron to be preheated into scope;
B. it is from the temperature more than the pre-heating temperature to the temperature being sunk less than the glass temperature of the sheet material to be increased into scope Degree;
C. bend the glass sheet by following:
I. use and produce one of the glass sheet by the hyperfrequency of computer-implemented protocol integrated test system, the device of high-power electromagnetic ripple Component selections it is heated to the sagging temperature of at least a portion of the glass sheet;
Ii. one or more time points during or after the selective heating stepses are scanned with one or more heat sensors At least a portion of the glass sheet, and obtained from the data obtained from one or more heat sensors for the glass sheet At least one of at least two dimension in Temperature Distribution;
Iii. the reference temperature of the Temperature Distribution of the acquisition and the computer-implemented agreement is distributed using computer-implemented processing Compare;And
Iv. the glass sheet is heated with by the computer-implemented wave-beam selectivity for handling the hyperfrequency controlled, high-power component So that the Temperature Distribution of the acquisition matches with the reference temperature distribution of the computer-implemented agreement.
2. the method as described in claim 1, wherein producing hyperfrequency, the device of high-power electromagnetic ripple is gyrotron.
3. the method as described in claim 1, it further comprises the step ii. to iv. for repeating the bending step, until this is obtained The Temperature Distribution obtained matches the reference temperature distribution of the computer-implemented agreement.
4. the method as described in claim 1, wherein bending step c. further comprises:
V. one or more time points during the selective heating stepses obtain the glass from one or more position sensors At least one of position data of glass sheet material and one or more time points using it is computer-implemented processing generation be used for The pattern curve of the glass sheet;
Vi. using the computer-implemented reference figuration curve ratio handled caused pattern curve and the computer-implemented agreement Compared with;
Vii. the glass sheet is heated with by the computer-implemented wave-beam selectivity for handling the hyperfrequency controlled, high-power component So that the pattern curve of the glass sheet and the reference figuration Curve Matching.
5. method as claimed in claim 4, it further comprises the step v. to vii. for repeating the bending step, until this is obtained The pattern curve obtained matches the reference figuration curve of the computer-implemented agreement.
6. method as claimed in claim 4, wherein being substantially simultaneously compared step iii. and vi..
7. method as claimed in claim 4, wherein one or more of the position sensor are camera or charge-coupled device Part (CCD).
8. method as claimed in claim 7, the wherein pattern curve are the 3D shape from the data compilation obtained from multiple CCD Curve.
9. system as claimed in claim 7, the wherein pattern curve are by the data compilation obtained from multiple laser sensors 3D shape curve.
10. method as claimed in claim 4, wherein one or more of one or more position sensors are laser Sensor.
11. the method as described in claim 1, wherein before heating and shaping, the glass sheet is cut to required size.
12. the method as described in claim 1, the wherein heat sensor are IR scanners or IR imaging sensors.
13. a kind of system, it includes:
First stove, it includes infrared heater and temperature sensor;
Second stove, it includes infrared heater, produces hyperfrequency, the device of high-power electromagnetic ripple, and for controlling the device Wave beam to bending iron in second stove on glass sheet shape, position and the optical system of movement, and one or more Individual infrared ray (IR) imaging sensor;
Conveyor system, it is used for the delivery glass sheet on bending iron and passes through first stove and second stove;
Computer system, it is connected to one or more the IR imaging sensors and the hyperfrequency, high-power component, including processing Device and heated for the selectivity by being carried out by the hyperfrequency, high-power component and control the glass sheet in second stove The instruction of bending, the instruction include being used for the computer-implemented agreement for heating the glass sheet in second stove and bending it, Wherein one or more time points of the computer system during the bending of glass data pass from one or more IR imagings Sensor obtains the temperature curve of the glass sheet, by the reference temperature of the temperature curve of the acquisition and the computer-implemented agreement point Cloth compares, and controls the hyperfrequency, high-power component to selectively heat the glass sheet to match reference temperature distribution;And
The 3rd heating furnace of the glass sheet is controllably cooled down, it includes IR heaters, forces cold air convection system and wind Fan.
14. system as claimed in claim 13, wherein producing hyperfrequency, the device of high-power electromagnetic ripple is gyrotron.
15. system as claimed in claim 13, it further comprises in one or more of second stove position sensor, One or more position sensors are configured to obtain one or more parts during bending for the glass sheet Position data, the wherein position sensor are connected to the computer system, and the computer system:
A. one or more time points during the bending of the glass sheet obtain number from one or more position sensors According to;
B. produced at one or more time points by the data of the acquisition from one or more position sensors for being somebody's turn to do The pattern curve of glass sheet;
C. by the reference figuration curve ratio of the pattern curve of the acquisition and the computer-implemented agreement compared with;And
D. control the hyperfrequency, high-power component to selectively heat the glass sheet so that the pattern curve of the glass sheet with The reference figuration Curve Matching.
16. system as claimed in claim 15, wherein one or more of one or more position sensors are electric charge Coupled apparatus (CCD).
17. system as claimed in claim 16, it includes multiple CCD, and the wherein pattern curve is by obtained from the plurality of CCD's The 3D shape curve of data compilation.
18. system as claimed in claim 15, wherein one or more of one or more position sensors are laser Sensor.
19. system as claimed in claim 18, it includes multiple laser sensors, and the wherein pattern curve is by obtained from this The 3D shape curve of multiple CCD data compilation.
20. system as claimed in claim 13, wherein one or more of one or more IR imaging sensors are sharp Optical sensor or CCD.
21. system as claimed in claim 13, it further comprises the 3rd stove with IR heaters, and the wherein conveyer System further delivers the glass sheet and passes through the 3rd stove.
22. system as claimed in claim 21, wherein first stove, second stove and the 3rd stove form single tunnel.
23. the system as claimed in claim 22, it is included between first stove and second stove and in second stove with being somebody's turn to do Door between 3rd stove.
24. system as claimed in claim 13, the wherein computer system obtain the temperature of first stove, and are added using the IR Hot device adjusts the temperature of first stove with according to computer-implemented agreement matching pre-heating temperature.
25. system as claimed in claim 13, the wherein computer system obtain the environment temperature of second stove, and use and be somebody's turn to do IR heaters adjust the temperature of second stove using matching range as from more than the pre-heating temperature to the temperature being sunk less than the glass The temperature of degree.
CN201680046080.1A 2015-08-06 2016-06-22 Method and device for bending glass by microwave heating Active CN107848864B (en)

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US14/819,849 US10526232B2 (en) 2013-05-30 2015-08-06 Microwave heating glass bending process
PCT/US2016/038738 WO2017023436A1 (en) 2015-08-06 2016-06-22 Microwave heating glass bending process and apparatus

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WO2017023436A1 (en) 2017-02-09
CA2994524A1 (en) 2017-02-09
BR112018002494A2 (en) 2018-09-18
JP6592586B2 (en) 2019-10-16
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TWI625309B (en) 2018-06-01
CA2994524C (en) 2019-07-09

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