CN1321081C - Apparatus and method for bending glass sheets - Google Patents
Apparatus and method for bending glass sheets Download PDFInfo
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- CN1321081C CN1321081C CNB2003801035582A CN200380103558A CN1321081C CN 1321081 C CN1321081 C CN 1321081C CN B2003801035582 A CNB2003801035582 A CN B2003801035582A CN 200380103558 A CN200380103558 A CN 200380103558A CN 1321081 C CN1321081 C CN 1321081C
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Abstract
An apparatus for shaping heat softened glass sheets includes an upper mold having a full surface press face with a shaping surface generally contoured to the desired curvature of the sheets; a support device to support the sheets below the upper mold; a shaping rail having an upper sheet supporting surface that supports selected peripheral portions of the sheets, the sheet supporting surface having a profile corresponding to desired elevational contours of the selected peripheral portions of the sheets and complimenting corresponding portions of the upper mold shaping surface; a chamber positioned below the sheets; a moving device for moving the upper mold and the shaping rail relative to each other so as to press at least a periphery of the sheets against the upper mold shaping surface, and a connector to direct pressurized gas into the chamber to urge the sheets towards the upper mold press face.
Description
The application requires the U.S. Provisional Application No.60/427 of application on November 18th, 2002, the U.S. Provisional Application No.60/438 of application on January 9th, 116 and 2003,877 rights and interests.
Background of the present invention
The present invention relates to the shaping of sheet glass that will be stacked, particularly, paired sheet glass is shaped simultaneously by in conjunction with gravity sag bending, press-bending and static air pressure.
Automobile Design's teacher hope is to have to have more complicated curved section and more go deep into the windshield glass of sag, and the needs that windshield glass is conformed to predetermined surface topography on its whole extended position require glass manufacturer production to have stringent tolerance more, more be difficult to the glass component that is shaped.Expect that the profile of this complexity is used for the appearance design of vehicle, and require its sheet glass that can make shaping to be installed on the arc installation frame, described installation frame constitutes the part of car body, thereby make arc glass form laminated glazing, in the time of in the car body main body that it is installed into, described laminated glazing is compatible mutually with the shape of the arc installation frame of car body main body.
In crooked and shaping operation process, it is that the device that the shape of this complexity minimizes the impression of these sheet glass simultaneously is favourable that a kind of being used for glass-pane shaping is provided.
Summary of the present invention
The invention provides a kind of equipment that is used to make at least one thermal softening glass-pane shaping, comprise: one comprises the upper die of a full surface press face, and described press face has the profiled surface that shape cardinal principle conforms to the desired curvature (curvature (curved shape)) of the sheet glass of at least one preliminarily forming; Below described upper die, be used to support the bracing or strutting arrangement of at least one sheet glass; One has the surface-supported shaping track of upper glass plate, the selected edge section of at least one sheet glass of described support, described plate stayed surface has the expectation facade profile corresponding to the selected edge section of described at least one sheet glass, and with the corresponding section complementary profile of described upper die profiled surface; Be positioned at the chamber below the described at least one sheet glass; Thereby one makes move relative to each other at least one edge with described at least one sheet glass of described upper die and shaping track be pressed in running gear on the described upper die profiled surface; Thereby and one be used for add body introduce described chamber with the centre portions at least of described at least one sheet glass towards the propulsive web member in described upper die pressure plane.
Preferred version of the present invention is as follows:
Preferably, described bracing or strutting arrangement comprises a bottom mould, described lower mould comprises that shaping track, is positioned at diapire, sidewall and the deformable thermodurable textile below the described shaping track, thereby described sidewall extends to described diapire from the shaping track and forms described chamber, and described fabric extends between the shaping track.
Preferably, described running gear comprises a lift frame that lower mould is moved between a first location and a second position, in first location, lower mould separates with the top mould, in the second position, lower mould is near upper die, thereby the selected edge section that makes at least one sheet glass is crushed between the corresponding section of the shaping track of lower mould and upper die, in addition, at least when the bottom mould is positioned at the second position, thereby web member is incorporated into described chamber at the described indoor static pressure of setting up with gas under pressure.
Preferably, the diapire of lower mould comprises an inlet and a spacer assembly, and described lift frame comprises web member, and described web member comprises a collar, engages with described spacer assembly when described collar is formed at lift frame and is positioned at the second position.
Preferably, also comprise a upper die reciprocating moving device, described upper die reciprocating moving device moves upper die between a hoisting position and a decline position, in hoisting position, upper die separates with lower mould, at lowering position, upper die is near lower mould, thereby the selected edge section of at least one sheet glass is crushed between the corresponding section of the shaping track of lower mould and upper die.
Preferably, at least one sheet glass comprises superimposed a pair of sheet glass.
Preferably, described bracing or strutting arrangement is one to be positioned at the heat-resisting deformable carrier on the support frame, and described chamber comprises described shaping track, and described chamber is positioned at below the described deformable carrier.
Preferably, described running gear comprises a lift frame, described lift frame can make described chamber move up and abut against on the deformable carrier, thereby the selected edge section of at least one sheet glass is crushed between the corresponding section of the shaping track of described chamber and upper die.
Preferably, deformable carrier is heat-resisting, deformable feed surface, and described feed surface supports described at least one sheet glass, and allows the downward sagging preliminary shape that is of at least one sheet glass.
Preferably, described deformable carrier comprises the track of heat-resisting, a deformable fabric, a plurality of post and the described post of a pair of support, described fabric is suspended between the horizontally extending bracing member, thereby forms a Hanging bed device, and described a plurality of posts support described member.
Preferably, described upper die, bracing or strutting arrangement and described chamber are positioned at a heated case.
Preferably, comprise that also one provides the hot gas source of pressurized, heated gas to described chamber.
Preferably, described hot gas source comprises that at least one is positioned at the pipeline of heated case.
Preferably, described fabric is selected from fiberglass cloth, stainless steel cloth and their combination, and described sidewall and diapire are selected from metal sheet, heat-resisting fabric and their combination.
Preferably, at least one sheet glass comprises superimposed a pair of sheet glass.
Preferably, described upper die is a upper vacuum mold.
Preferably, also comprise a upper die reciprocating moving device, described upper die reciprocating moving device moves upper die between a hoisting position and a decline position, in hoisting position, upper die separates with lower mould, at lowering position, upper die is near lower mould, and the selected edge section of at least one sheet glass is crushed between the corresponding section of upper die and described bracing or strutting arrangement.
Preferably, described bracing or strutting arrangement comprises a bottom mould, described lower mould comprises shaping track and the sidewall that extends from described shaping track downwards, described running gear comprises a lift frame that lower mould is moved between the first location and the second position, lift frame has a lower wall, wherein when the bottom mould is positioned at first location, diapire separates with the lower rim of the sidewall of described lower mould, and lower mould separates with the top mould, when the bottom mould is positioned at the second position, thereby diapire abuts against on the lower rim of sidewall of described lower mould and forms described chamber, thereby and lower mould is crushed between the corresponding section of the shaping track of lower mould and upper die the selected edge section of described at least one sheet glass near upper die, in addition, at least when the bottom mould is positioned at the second position,, described web member in described chamber, sets up static pressure thereby being incorporated into described chamber with gas under pressure.
Preferably, described web member is fixed on the diapire.
The present invention also provides a kind of method that makes at least one thermal softening glass-pane shaping, comprising: support described sheet glass near the edge at least of the thermal softening sheet glass of at least one preliminarily forming; With described at least one plate alignment between upper die and bottom shaping track, described upper die comprises a full surface press face, described plane has the profiled surface that a shape conforms to the desired curvature of described at least one sheet glass substantially, described shaping track comprises a upper glass plate stayed surface, the selected edge section of at least one sheet glass of described support, described plate stayed surface has substantially the expectation facade profile corresponding to described at least one glass plate edge, and substantially with the corresponding section complementary profile of described upper die; Bottom shaping track and upper die are moved relative to each other, thereby the selected edge section of at least one sheet glass is pressed between the corresponding section of bottom profiled surface of bottom shaping track stayed surface and upper die; One Room is set below at least one sheet glass; Seal described chamber; And make the centre portions at least of described plate be offset on the upper die, thereby make the configuration of described at least one glass-pane shaping for expectation to the pressurization of described chamber.
Preferred version of the present invention is as follows:
Preferably, support and at least one sheet glass of alignment comprises: with at least one glass sheet support on the lower mould that comprises described shaping track; When described at least one block of plate is supported on the lower mould, to heat described at least one sheet glass and reach a temperature, the selected edge section of wherein said at least one sheet glass hangs down into described shaping track and contacts; Below upper die, move relative to each other the upper and lower mould mobile comprising, thereby the selected edge section of described at least one sheet glass is crushed between the corresponding section of lower mould and upper die with described lower mould alignment.
Preferably, also comprise a bottom mould is provided, described lower mould has sidewall and the diapire that extends from described shaping track downwards, thereby form described chamber, and mobile bottom shaping track and upper die seal described chamber with the operation meeting of the selected part of suppressing described at least one sheet glass betwixt.
Preferably, also comprise a upper deformable member across between the shaping track that is erected at lower mould, to support the centre portions at least of described at least one sheet glass, the centre portions at least that will be supported on the described at least one block of plate on the described deformable member to the pressurization of described chamber is biased on the upper die described member across expansion.
Preferably, move and to comprise make at least that lower mould moves that between the first location and the second position in first location, described at least one sheet glass separates with the top mould, in the second position, the selected at least edge section of described at least one sheet glass is crushed on the upper die.
Preferably, move and to comprise make at least that upper die moves that between a hoisting position and a decline position in hoisting position, upper die and described at least one sheet glass separate, at lowering position, the selected at least edge section of at least one sheet glass is crushed on the upper die.
Preferably, also be included in to be supported on lower mould on the conveying roller before described at least one sheet glass be pressed on the upper die and lower mould promoted and leave described conveying roller.
Preferably, also comprise a bottom mould is provided, described lower mould has the sidewall that extends from the shaping track downwards, and provide a diapire that can between a first location and a second position, move, in first location, diapire separates with the lower rim of described lower mould sidewall, in the second position, diapire contacts and forms described chamber with the lower rim of sidewall, in addition, mobile bottom shaping track and upper die seal described chamber with the operation meeting of the selected part of suppressing described at least one sheet glass betwixt.
Preferably, described chamber comprises described shaping track.
Preferably, described support and alignment comprise: when described at least one sheet glass is heated to its thermal softening temperature, on a plurality of conveying rollers, carry described at least one sheet glass, described thermal softening sheet glass is delivered on the heat-resisting deformable fabric, and wherein said sheet glass is sagging to be preliminary configuration; And with described glass sheets between upper die and the described chamber; Move and comprise that described chamber is moved up to seal to be pressed on the upper die and with described chamber with the fabric contact and with sheet glass.
Preferably, support and alignment comprise: on a heat-resisting deformable fabric, described fabric is supported on the transportation frame with described at least one glass sheet support; Make described at least one block of plate and support frame move through a stove, thereby described at least one sheet glass is heated to its thermal softening temperature, wherein said at least one sheet glass is preliminary configuration by gravity sag; With preliminarily forming in the described at least one sheet glass alignment on the described support frame between upper die and described chamber; And described chamber is moved up to seal to be pressed on the upper die and with described chamber with described fabric contact and with described at least one sheet glass.
Preferably, also be included in the described indoor static pressure that is no more than 1.5psi that provides.
Below in conjunction with a description of drawings non-limiting embodiment of the present invention.
Brief description of drawings
The Fig. 1 that comprises Fig. 1 a and Fig. 1 b is the vertical side-view according to sheet glass bending lehr device of the present invention.Fig. 1 a has shown upstream portion, and Fig. 1 b has shown the downstream part.
Fig. 2 is the view along the 2-2 line of Fig. 1, it has shown the horizontal front view at the press-bending station of annealing furnace device shown in Figure 1, shown annealing furnace device has embodied feature of the present invention, and is included in the profile mould (outline mold) and the full surface upper die of its underpart location expression.
Fig. 3 is the skeleton view of the non-limiting embodiments of the profile mould of embodiment feature of the present invention.
Figure 4 and 5 are the floor map of the non-limiting alternate embodiment of the glass sheet forming apparatus of embodiment feature of the present invention.
Fig. 6 is the another kind of non-limiting glass sheet support of embodiment feature of the present invention and the skeleton view of e Foerderanlage.
The detailed description of the invention
The present invention relates to make the thermal softening glass-pane shaping, be shaped when being particularly related to the stacked a pair of or paired sheet glass that is used for windshield glass, but be understandable that: expectation make plate accurately, Accurate Shaping and minimizing because the occasion of the impression of the plate that causes of being shaped, the present invention can be used for making any amount, the plate of thermal softening panel material is shaped arbitrarily.
As shown in drawings, space used herein or direction term as " inside ", " outside ", " left side ", " right side ", " on ", D score, " level ", " vertically " or the like relate to the present invention.But, be understandable that the present invention can adopt multiple alternative orientation, therefore, can not think that these terms are restrictive.And all numerals that are used in expression size, physical properties etc. in specification sheets and the claim should be understood that to be modified by term " approximately " in all cases.Therefore, unless indicated opposite content,, the value of listing in following specification sheets and claim changes otherwise can be dependent on the expected performance that reaches out for by the present invention.At least do not limit the application of claim equivalency range ultimate principle, should explain each digital parameters according to the significant figure of report with by using conventional rounding method at least.In addition, it should be understood that all scopes disclosed herein comprise any and all subranges that comprise herein.For example, should think that the scope of listing " 1-10 " comprises the subrange (and comprising minimum value 1 and maximum value 10) between any and all minimum value 1 and the maximum value 10; Promptly all begin with minimum value 1 or bigger numerical value and with maximum value 10 or the subrange that finishes of fractional value more, and all subranges are for example between 1-6.3,5.5-10 or the 2.7-6.1.And, term used herein as " be arranged on ... on " or " be supported on ... on " expression be provided with or support thereon but needn't be directly with surface contact.For example, " to be arranged on " on the shaping track be not to get rid of the existence that one or more other materials are arranged on phenomenon between described plate and the raceway surface for sheet glass.
Fig. 1 a and 1b have described a kind of heating, shaping and annealing furnace that makes glass-pane shaping according to the present invention.Described stove is at loading area 20 its upstreams of beginning, the heating zone 22 that comprises a tunnel configuration, gravity-bending district 24, it is the catchment of heating zone 22, one press-bending or forming station 26 nestle up the one side in gravity press-bending district 24, one annealed zone 28, it is included in forming station 26 door 30, one cooling zones 32 on one side and joins end to end in the downstream part of described stove.One unload zone 34 is one side of 32 in the cooling zone.It should be understood that the present invention is not limited to the stove of above-mentioned specific type, and can with the stove of other type for example box type furnace accretion close use, described box type stove and accessory wherein known in this field has a plurality of autonomous container or box, each container or the supported sheet glass of box encapsulation, described plate advances by described stove in the stop device together.
With reference to Fig. 1 and 2, an e Foerderanlage, it comprise many to along laterally relatively, the short roller 36 that is provided with of longitudinal interval, described e Foerderanlage along the whole length of described stove extend and along the longitudinal reference line limit a mobile route.Each short roller 36 is installed on the axle (not shown) that extends by described furnace sidewall, and is connected on the e Foerderanlage (not shown).One mould returns the e Foerderanlage (not shown) and extends along whole stove.Described e Foerderanlage can be divided into mass part, described part drives by its own drive unit by conventional driving roll and wheelwork or chain and drives, and perhaps e Foerderanlage partly drives with conventional drive unit in mode well known in the art by clutch coupling.Engage by the rotation of described short roller 36 with the supporting track 40 of longitudinal extension, carry a plurality of mold support carriages 38 (only shown in Figure 2) along described e Foerderanlage, described supporting track 40 is provided with along each limit of carriage 38.The support 42 of horizontal expansion (only shown in Figure 2) makes supporting track 40 interconnection, and as being discussed later, support for lower mold support members.43 pairs of carriages 38 of the auxiliary stand of longitudinal extension provide supplemental support, and described support 43 extends between support 42.
Continuation is with reference to figure 2, and outline mold 44 is installed on the carriage 38.Described mould 44 comprises the shaping track 48 with stayed surface 50, and described surface makes height and profile consistent with the expectation vertical and horizontal facade shape of the sheet glass G that will be bent, slightly is in the inboard of described sheet glass periphery.Mould 44 illustrated in fig. 2 has successive, fixed shaping track, i.e. successive centre portions 52 and afterbody 54.Yet if wish, mould 44 can be hinged outline mold (not shown) well known in the art, and comprises the end mould wing shape part (opposed pivoting end mold wing sections) of an immobilized centre portions and a pair of relative pivot.Outline mold 44 is provided with respect to carriage 38, thereby as the general is discussed in detail in the back, in carriage 38 being arranged in the station 26 of bending and outline mold 44 when occupying the pressing position, make that the geometric centre of mould is in alignment with the geometric centre of top shaping dies substantially.In non-limiting embodiments of the present invention shown in Figure 2, mould 44 is supported and is fixed on the carriage 38 by a plurality of transverse members 56 that between the horizontal support 42 of carriage 38, extend.Outline mold 44 is fixed on the member 56 in any mode easily.
With reference to figure 2 and 3, described outline mold 44 comprises a Room or a pressurizing chamber, and described chamber is positioned at the edge of shaping track 48.In a kind of non-limiting embodiments of the present invention, outline mold 44 comprises sidewall 58 and diapire 60 (only shown in Figure 3), and described wall forms chamber 62, as the general is discussed in detail in the back, in described sheet glass press-bending operating process, to the pressurization of described chamber.Especially, sidewall 58 extends downwardly into diapire 60 from shaping track 48.If wish, sidewall 58 can be integrated with shaping track 48.Sidewall 58 and diapire 60 are formed by the material that can bear enough pressure in the chamber 62.Do not limit the present invention, in one embodiment, shaping track 48 is formed by 1/8 inch stainless steel bar, and sidewall 58 is formed by 1/8 inch the stainless steel plate that is welded on the described track.In another kind of non-limiting embodiments, described track and sidewall are an integral body, and the stainless steel plate by 1/8 inch forms, and cuts, bends or otherwise make the top edge of each sidewall 58 to be shaped, thereby the facade profile of the shaping track 48 of expectation is provided.In another kind of non-limiting embodiments, sidewall and diapire are formed by one or more layers deformable heat-resisting fabric.One or more layers heat-resisting fabric can be a kind of non-permeable material.As an alternative, as will be in the back discussed in detail the same, thereby as long as the combination of described layer can provide that enough closely knit retaining gas-bearing formation is feasible can be at the indoor pressure of keeping expectation of cloth lining, described material just can be ventilation property.
In the non-limiting embodiments of the present invention shown in Fig. 2 and 3, support and reinforce the sidewall 58 of the chamber 62 of mould 44 by upper, annular framework 64 and lower annular framework 66.Upper frame 64 extends around the edge of described mould chamber 62, and between shaping track 48 and lower frame 66, and be fixed on the sidewall 58.Lower frame 66 is extended at the bottom periphery of the chamber 62 of mould 44.In a kind of non-limiting embodiments of the present invention, the diapire 60 by chamber 62 is fixed on mould 44 on the framework 66, and framework 66 is fixed on the bracing member 56.
Continuation is with reference to figure 2 and 3, and diapire 60 comprises an opening 68, and by described opening, hot gas enters into chamber 62, and pressurized in sheet glass pressing operation process.Although do not limit the present invention, but in the embodiment shown in Fig. 2 and 3, baffle plate 70 is positioned on the opening 68 and with it and separates, thereby in the pressing operation process, make the prone lower surface of not direct impact of the gas thermal softening sheet glass G that enters into chamber 62, described sheet glass G is supported on the mould 44.One spacer assembly 72 (only shown in Figure 2) is at opening 68 places, be provided with along the lower surface 74 of diapire 60, thereby as the general discussed in detail in the back, make the hot gas source to join and seal with chamber 62.In a kind of non-limiting embodiments of the present invention, spacer assembly 72 is formed by the 1/8 inch thick Fiberfrax paper #970 that is clipped between the two-layer stainless steel foil, and described paper can be from McNeil Inc..Robbinsville, and NJ has bought.
Stayed surface 50 with one or more layers softness, heat-resisting, deformable fabric drape forming track 48, as the general is discussed in detail in the back, when described sheet glass G is supported on the mould 44 or in the press-bending operating process, described fabric does not scratch described sheet glass G.Fabric 75 also provides a kind of support of complying with between the stayed surface 50 of described sheet glass G and track 48, thereby form liner or sealing, the same as will be discussed, in the shaping operation process, described liner or sealing limit and stop gas under pressure to leave from chamber 62 in a kind of non-limiting embodiments.Fabric 75 also provides a kind of adiabatic surface between the stayed surface 50 of described sheet glass G and track 48, thereby slows down heat transfer by conduction speed between them.With described fabric loop around and be fixed on the described sidewall 58, thereby guarantee fully to cover described stayed surface 50.In a kind of non-limiting embodiments, the whole upper opening portion that fabric passes chamber 62 extends, rather than only covers stayed surface 50.More particularly, with reference to figure 3, fabric 75 passes chamber 62 and extends between track 48, and supports the sheet glass part in the shaping track 48.Described fabric 75 can be pulled taut or be allowed to sag in the chamber 62.Although do not limit the present invention, but in a kind of non-limiting embodiments, fabric 75 comprises two-layer fiberglass compacting cloth (presscloth) #S-1NS7L90062301, described compacting cloth can be from GlassTech, Perrysburg, and OH has bought, described compacting cloth is sandwiched between the two-layer stainless steel braiding compacting cloth #3KN/C3, pass the open upper end of described chamber 62 and extend, described braiding compacting cloth can be from Bekaert Fibre Technologies, and Marietta.GA has bought.
With reference to figure 2, the station 26 of bending also comprises a lift frame 76.Described framework 76 between the short roller 36 and under, in particular embodiment shown in Figure 2, framework 76 has grating structure, described structure has the crossbeam 78 (only shown in Figure 2) of a plurality of interconnective horizontal expansions and the crossbeam 80 of longitudinal extension.Although optional, the opening between the available insulating material (not shown) fill frame middle cross beam.Framework 76 is fixed on a succession of pillar 84, described pillar is installed in promote on the crossbeam 86, described crossbeam be positioned at framework 76 below.Although in the present invention without limits, but in particular embodiment shown in Figure 2, the opposite end 88 of crossbeam 86 extends to the outside at the station 26 of bending, and be installed on the elevator 90, described elevator lifting and reduction crossbeam 86, described crossbeam then engages with carriage 38 and profile mould 44 in the press-bending operating process, and make it to promote and reduce, and as the general is discussed in detail in the back, make it between the first location and the second position, to move, in first location, lower mould 44 separates with top mould (as described later), in the second position, lower mould 44 is near upper die, thereby supported sheet glass is pressed on the upper die.Promote the vertical shifting of crossbeam 86 by liner 92 guiding.Do not limit the present invention, elevator 90 can be ball-screw, hydro-cylinder or other linear-motion actuator.
In non-limiting embodiments shown in Figure 2, what also be attached to lift frame 76 is a kind of deformable web member 94, and in the press-bending operating process, described web member is with the spacer assembly 72 of contact profile mould 44.Web member 94 comprises a collar 96, thereby thereby described collar dispose in such a way when lift frame 76 promote by crossbeam 86 and and carriage 38 engage when the frame lifting left short roller 36, collar 96 contacts and forms sealing with spacer assembly 72.
Web member 94 is connected on the heated source of the gas, and described hot gas source provides the gas of pressurized, heated to chamber 62 in sheet glass press-bending operating process.Although in the present invention without limits, web member 94 can be connected in a succession of air supply duct 95, shown in air supply duct be positioned at process furnace.In sheet glass press-bending operating process, can use the gas blower (not shown) to force ducted heating air admission in chamber 62, and in chamber 62, set up the static pressure of expectation.The configuration that is appreciated that lower mould 44 makes the pressure in the chamber 62 that one substantially uniform power is provided on the whole glass pane surface of facing downwards, and described surface has formed the top of described chamber.
With reference to figure 2, the station 26 of bending also comprises a top pressing mold 98, and described pressing mold comprises a bottom press face 100.Although in the present invention without limits, press face 100 can be for example metal or pottery.Described press face 100 covers a successive zone, and than the profile of the sheet glass G that will be formed more greatly, described sheet glass is supported on the lower mould 44 profile in described zone a little.The press face of facing downwards 100 of described upper die 98 is on the whole width of described stove, recessed downwards substantially, thereby consistent, and must be equally good with the expectation profile of sheet glass G central zone with the expectation contour limit around the sheet glass G edge with the longitudinal component of bending.The complicacy that depends on the shape of the sheet glass G that will be formed, on the length direction of described stove, press face 100 in height also can comprise a S shape curved component, thereby consistent with the crooked transverse component of expectation.
Available one or more layers thermodurable textile 102 covers described press face 100, and in described press-bending operating process, described fabric can not stay impression to described hot glass sheet G.Although in the present invention without limits, but in a kind of non-limiting embodiments, #S-1NS7L90062301 covers described press face 100 with one deck fiberglass compacting cloth, described compacting cloth can be from GlassTech, Perrysburg, OH has bought, and is covered by one deck stainless steel braiding compacting cloth #3KN/C3, described braiding compacting cloth can be from Bekaert Fibre Technologies, and Marietta.GA has bought.
In of the present invention a kind of non-limiting embodiments shown in Figure 2, in the station 26 of bending, upper die 98 is suspended on the back up pad 104 by chain 106, as being discussed later, and the deadweight of mould is used for pressed glass plate G.When carriage 38 is positioned at forming station 26, mould 98 is set like this, make its geometric centre in alignment with the geometric centre of outline mold 44 on the vertical direction of cardinal principle.In the pressing operation process, next with respect to outline mold 44 location upper die 98 with the locating device of steady brace or other type well known in the art.Plate 104 is installed on the piston 108, described piston 108 is used for upper die 98 is moved between hoisting position and lowering position, in described hoisting position, upper die 98 and lower mould 44 separate each other, at described lowering position, upper die 98 and lower mould 44 are approaching each other, and pressed glass plate G betwixt.Although in the present embodiment, without limits, can also provide a positive downward power to top rolled-up stock 98, thereby by carrying out the compacting of sheet glass in conjunction with the deadweight of mould with by the additional force that piston 108 applies with piston 108.
The circulation of operation
In a kind of non-limiting embodiments of the present invention, in loading area 20, a pair of arc and the sheet glass G that has suitable isolated material therebetween are arranged on the direction of level substantially on the shaping track 48 of profile mould 44, described mould 44 is supported by carriage 38.As previously discussed, can open zone in the shaping track 48 or fabric 75 can be between track 48 across.Along lateral alignment, the guide rail 40 of described carriage 38 is positioned on the short roller 36 of described stove the positioning track 40 of carriage 38 by carriage 38 with respect to the vertical reference line that passes described stove.Carriage 38 in described heating zone, thereby arranges that heater provides a kind of heating mode by the heating zone 22 of described stove, and described heating mode all heats at the vertical and horizontal of lower mould 44 by the mobile route of described stove.When mould 44 arrives press-bending station 26 (envrionment temperature maintains in the scope of 1080 -1150 [582 ℃-621 ℃]), described sheet glass G has been heated to their texturing temperature (being generally 1070 -1125 [577 ℃-607 ℃]), by gravity sag is preliminary configuration, and the edge of described sheet glass G is consistent with the facade profile phase of raceway surface 50 substantially.In one embodiment of the present invention, mould 44 is hinged mould, and when mould 44 enters into when bending station 26, end mould wing shape part (endmold wing sections) will upwards be rotated.
Move to the process of pressing station 26 from loading area 20 in outline mold 44, it may lose the suitable alignment on vertical relatively reference line direction.But, because on orthographic plan, sheet glass has the non-rectangle profile of non-homogeneous curvature usually, and be bent to complicated shape, so when the preliminary plate G that is shaped arrives when bending station 26, will have outline mold 44 location of described plate and be arranged in upper die 98 lower press surface 100 below be only main.In case arrive the station 26 of bending, the Support bracket 38 that just it is provided with mould 44 is reset the location, if desired, usually the geometric centre of the sheet glass G of outline mold 44 and preliminarily forming is aligned in upper press face 100 below, described press face 100 is positioned at its hoisting position.Can use polytype alignment so (not shown) well known in the art to aim to bend in the station 26 carriage 38 and with respect to the upper die 98 suitable outline mold 44 of placing.Can use the limit switch (not shown) to guarantee not proceed pressing operation in the station 26 of bending, till carriage 38 suitable placements and aiming at.
The mould 44 that will be supported with sheet glass G thereon is correct aim at after, move up lift frame 76 and make it to engage of elevator 90 with carriage 38.At this moment, collar 96 joint liner assemblies 72 are sealed to deformable web member 94 on the chamber 62 of profile mould 44.Elevator 90 continues to promote carriage 38, makes carriage 38 leave short roller 36, and promotes towards the lower press face 100 of top mould 98.When lower mould 44 was promoted, piston 108 descended upper die 98.When bottom mould 44 during near upper die 98, steady brace or other equality unit well known in the art are located the upper die 98 that hangs together with lower mould 44, thereby the geometric centre that makes them point-blank.Lower mould 44 and upper die 98 continue to move relative to each other till the edge section at least with sheet glass G is compressed between the corresponding section of press face 100 of shaping track 48 and upper die 98, thereby the edge of sheet glass G is formed the facade configuration of expectation, and around the edge of sheet glass, form sealing with chamber 62.Be appreciated that in forming process, fabric 75 and the fabric 102 on the upper die 98 on the lower mould 44 can make sheet glass G that some slips are arranged, particularly all the more so around the edge of sheet glass G, described sheet glass G is crushed between the corresponding section of shaping track 48 and upper die 98.
Around sheet glass G edge, form after the sealing, start gas blower, the warm air in the air-supply duct is imported in the chamber 62, and set up static pressure therein.Described pressure is used to impel the centre portions of sheet glass G to abut against the press face 100 of upper die 98, and described centre portions does not contact with lower mould 44.As a result, sheet glass G is consistent with the profile phase of press face 100, and described press face of while is not carried out physics with the major portion on the prone main surface of sheet glass and contacted, thereby has removed the bottom glass surface that is positioned at the sheet glass centre portions.Thereby the amount of pressure in the may command chamber 62 provides the static pressure of expectation.The peak pressure of setting up in chamber 62 is by quantity and size, the weight of upper die 98 and the amount decision that is applied to the additional load on the upper die 98 of gas blower.More particularly, in a kind of non-limiting embodiments of the present invention, upper die 98 is not applied additional load, described static pressure is maintained at the level that is lower than lifting glass plate G, makes upper die 98 leave shaping track 48 and remove the periphery sealing.Yet, be to be appreciated that be if operate actuator for example the piston 112 that extends of slave plate 104 or some other locking latchess stop upper die 98 promoted and leave lower mould 44 because chamber 62 is pressurized, can in chamber 62, apply bigger pressure.In addition, apply bigger pressure to upper die 98, can further increase indoor stress level by piston 108 and/or 112.In a kind of non-limiting embodiments of the present invention, the static pressure of setting up in chamber 62 is not more than 1.5 pound per square inches (psi), for example, is not more than 1psi or is not more than 0.75psi.Start a timing register (not shown) lower mould 44 is kept going up in position, and keep pressure in the chamber 62 to guarantee the formation of desired arc configuration.Described timing register is also controlled lower mould 44, lift frame 76 and is promoted the starting that crossbeam 86 turns back to position, its underpart.
In the pressing operation process, when sheet glass G when described upper press face 100 upwards is offset, the air between sheet glass G and the upper die 98 must have a passage and discharge between described mould and plate making it.In a kind of non-limiting embodiments of the present invention, air laterally moves by fabric 102.In another kind of non-limiting embodiments, thereby the press face 100 by upper die 98 provides a series of hole 110 in compacting and forming process, for the effusion of air provides passage.After the operation of bending, when the upper and lower mould is moved apart, also can assist sheet glass G to separate with described hole 110 by a passage is provided from press face 100, air can enter into described space by described passage.More particularly, in the pressing operation process, sheet glass G is pressed on the press face 100 of upper die 98.After the compacting, between the press face 100 of sheet glass G and mould 98, produce vacuum.Hole 110 will make between the press face 100 of air admission sheet glass G and upper die, and remove established any vacuum.If desired, can make forced air remove described vacuum by described hole, and after shaping, " blowing " described sheet glass makes it to leave fabric 102, described fabric 102 is covered with press face 100.When the fringing or other decorative pattern that contain ceramic coating with the main surface, top of the sheet glass G of fabric 102 contact, and described coating is when being easy to cling described fabric 102, and this will be very favourable.The air that is blown into by hole 110 will help to make sheet glass G to separate with fabric 102.
Although optional, thereby the shaping of opening and closing assistance sheet glass G of controlled drilling 110.For example but do not limit the present invention, in a kind of non-limiting embodiments, when to chamber 62 pressurizations, make that air is easier to overflow between slave plate G and the upper press face 100 thereby hole 110 can be opened.Then, thereby hole 110 can be sealed the correct shaping of one period scheduled time in order to ensure sheet glass G, keep any vacuum that forms between sheet glass G and the press face 100.Can open hole 110 then removes vacuum and makes sheet glass G remain on the lower mould 44.
After the plate G shaping that makes between upper die 98 and the lower mould 44, make lower mould 44, lift frame 76 and promote crossbeam 86 to descend, carriage 38 is placed on the short roller 36 again.Similarly, by piston 108 upper die is risen to its starting position.As mentioned above, can utilize hole 110 to help the separation of sheet glass G with fabric 102.In addition, in a kind of non-limiting embodiments of the present invention, a safety valve (not shown) can be set, forced air is emitted from chamber 62 with after finishing shaping.As an alternative, the machine of turning off the blast comes the air pressure in the balance chamber 62.
When being placed on lower mould 44 on the short roller 36 once more, open fire door 30, the sheet glass G and the mould 44 that will start after short roller 36 will be shaped transfer out forming station 26 and enter into annealed zone 28.Close door 30 then and carry out the crooked and circulation that is shaped of the next one.
Be appreciated that the invention described above non-limiting embodiments avoids applying compacting load to short roller 36.More particularly, in pressing process, leave short roller 36 by using lift frame 76 that carriage 38 is promoted, thereby will pass to lifting crossbeam 86 and elevator 90, and do not pass to short roller 36 by the load that upper die 98 (and optional piston 108) imposes on lower mould 44.
In case sheet glass is shaped in pressing station 26, they keep its suitable shape until being essential from texturing temperature scope internal cooling to the deformation point that is lower than glass in annealed zone 28, and for float glass, described deformation point is approximately 950 (510 ℃).In other factors, avoid the maximum speed of cooling of excessive permanent warpage between the sheet glass G to depend on the thickness of sheet glass.After the annealing, sheet glass enters into cooling zone 32 and further cools off.
Although it is optional, but in the embodiment of the pressing operation of this discussion, with the gas heating that is incorporated in the chamber 62, to avoid any thermal shocking to sheet glass, described thermal shocking is to produce owing to sheet glass is contacted with the gas that is lower than its temperature, and the temperature of described gas is its temperature that is contacted before the heating.In addition, in a kind of non-limiting embodiments, the temperature of available pressurized gas is cooled to sheet glass G their non-heat deformable state.In a kind of non-limiting embodiments of the present invention, with described gas heating to 371 ℃-621 ℃ (700 -1150 ).
Although optional, it is contemplated that and in upper die of the present invention, introduce vacuum to help the shaping of sheet glass.More particularly, when sheet glass G contacted with top mould 98, the mode that can well known to a person skilled in the art deflated by press face 100, abuts against on the press face 100 to impel sheet glass G, thereby makes plate G consistent with its facade profile phase.After being shaped, stop vacuum, and as previously mentioned, sheet glass G is separated and makes it with top mould 98 descend.
Be appreciated that and change the mobile of upper and lower mould so that other bend procedure to be provided.For example but do not limit the present invention, upper die 98 can be kept static, available elevator 90 is moved upwards up to enough distances with sheet glass G and comes pressed glass plate G between lower mould 44 and upper die 98.In the non-limiting replacement scheme of another kind, available piston 108 moves down enough distances with upper die 98 and comes pressed glass plate G between upper die 98 and lower mould 44, and lower mould 44 remains on the short roller 36.Promote web member 94 so that collar 94 engages with spacer assembly 72, and make that chamber 62 is pressurized.Although it is optional, but in this embodiment of back, available post or other auxiliary support apparatus (not shown) come lower mold support 44, thereby when upper die 98 being reduced to and suppressing into lower mould 44, total load is not by short roller 36, but supports by auxiliary support apparatus.
In the invention described above embodiment, form chamber 62 by sidewall 58 and diapire 60, all walls all are attached in the outline mold 44.In the another kind of non-limiting embodiments of the present invention, diapire is a kind of individual member, and in the pressing operation process, thereby described diapire moves to engage with sidewall and forms described chamber.More particularly, comprise sidewall 58 but do not comprise that the outline mold 44 of diapire 60 is attached in the lift frame 76.Arrange once more the pillar 43 of carriage 38 and mould 44 transverse member so that diapire 60 contact with the lower rim of sidewall 58.Can use any kind easily tightness system seal the diapire 60 that abuts against the sidewall lower rim.For example, available Fiberfrax paper #970 covers the lower rim of sidewall, and described paper is sandwiched between the two-layer stainless steel foil.In operation, on lower mould 44, sheet glass G is heated and is preliminary configuration by gravity sag, and described mould 44 has shaping track 48 and sidewall 58.After below mould 44 being arranged in aptly upper die 98, elevator 90 is moved upwards up to lift frame 76 with carriage 38 and engages, thereby and diapire 60 is moved to lower rim with sidewall 58 engages and form described chamber 62.Elevator 90 continues to promote carriages 38, carriage 38 is promoted leave short roller 36 and move towards the press face 100 of top mould 98.Carry out described pressing operation then as mentioned above.After finishing compacting, carriage 38 and lift frame 76 are descended, turn back to its starting position, diapire 60 is separated with the lower rim of sidewall 58.Diapire 60 will comprise opening 68, thereby provide access for heated air as previously mentioned.As an alternative, have deformable web member that spacer assembly 72 together engages at opening 68 places, deformable web member 94 is fixed on the diapire 60, and in the pressing operation process, moves together with diapire 60 so that heated air enters into described chamber.
In the invention described above, when being supported on sheet glass G on the lower mould 44, make it to be supported, carry out preliminary sag bent, press forming and cooling.Be appreciated that can use other carry and transfer device with sheet glass G shift-in with shift out described forming station 26.For example but do not limit the present invention, at first, can on the outline mold 200 of as shown in Figure 4 type known in this field, make sheet glass G carry out preliminarily forming.Through behind the process furnace 220, the sheet glass G of outline mold 200 and preliminarily forming enters forming station 226 then, and be arranged on upper die 298 below, described upper die 298 is similar to upper die 98 discussed herein.Then, thereby lower mould 244 moved up by outline mold 200 described sheet glass G to be promoted to be left described outline mold 200 and sheet glass G is pressed on the press face 299 of upper die 298, described lower mould 244 is similar to lower mould 44 discussed herein, this is as the USPN4 at Reese etc., 265, disclosed the same in 650, quote the instruction that it provides in this reference.Then chamber 262 pressurization of lower mould 244 is finished the shaping of sheet glass, described chamber is sealed to be abutted against on the lower surface of described sheet glass G.After being shaped, lower mould 244 is moved down by outline mold 200, and the sheet glass G after will being shaped is placed on the outline mold.Then as mentioned above, described outline mold leave forming station 226 and will be shaped after sheet glass G cool off.
In of the present invention another kind of non-limiting embodiments shown in Figure 5, one or a laminated glass plate G are carried by stove 300 by a series of conveying belt drums 302.When the thermal softening sheet glass arrives forming station 326, described plate is delivered on heat-resisting, the deformable feed surface 304, described feed surface 304 is positioned at described plate between one upper die 398 and the bottom mould 344, described upper die 398 is similar to upper die 98 discussed herein, and described lower mould 344 is similar to lower mould 44 discussed herein.Behind suitable location, described thermal softening sheet glass of compacting between it thereby mould 398 and 344 moves relative to each other.362 pressurizations of chamber in the lower mould 344 are finished the shaping of sheet glass.Then when annealing ring 350 is set, support sheet glass G after being shaped at that thereby extract vacuum out along the press face 399 of upper die 398 below sheet glass.Stop the vacuum in the upper die 398, sheet glass G is placed on the annealing ring 350, follow described annealing ring 350 and leave forming station 326, and when described sheet glass G cools off with aforementioned manner, support described sheet glass G.
Fig. 6 has illustrated a kind of glass sheet support and e Foerderanlage, and described device can be used in combination with sheet glass heating and the building mortion discussed herein.More particularly, framework 400 comprises pair of tracks 402, in the mode similar to the track 40 of frame carriage 38, carries described track 402 along short roller 38.One or more posts 404 are installed on the track 402, and support a fabric-supported member 406.Provide a kind of Hanging bed device, described Hanging bed device to support described sheet glass G thereby a deformable thermodurable textile 408 extends between member 406, described fabric 408 is similar to aforementioned fabric.Beam member 410 makes track 402 interconnect and reinforce described framework 400.Sheet glass is to be shaped to earlier figures 4 described similar modes.More particularly, sheet glass G is arranged on the fabric 408, framework 400 is carried passed through process furnace.When sheet glass G was softening, described sheet glass began on fabric 408 sagging.When framework and sheet glass arrival bending station, framework is arranged between the upper die and lower mould of aforementioned type.Mould moves relative to each other then, thereby begins to be compressed on sheet glass supported, preliminarily forming between them, uses the pressurized compartment of lower mould to guarantee that the centre portions of sheet glass G is biased on the press face of upper die.After the shaping, described sheet glass G is retained on the described framework or it is delivered to the cooling of annealing ring.Be appreciated that and use such device, needn't cover described lower mould with press fabric, because sheet glass G has been supported on the deformable thermodurable textile, in the pressing operation process, lower mould is essential by described fabric compacting.
Only represent its illustrative embodiment in this demonstration and disclosed form of the present invention.Be understandable that without prejudice to instruction of the present invention defined by the following claims and can carry out multiple change.
Claims (31)
1. equipment that makes at least one thermal softening glass-pane shaping comprises:
One comprises the upper die of a full surface press face, and described press face has the profiled surface that a shape conforms to the desired curvature of the sheet glass of described at least one preliminarily forming;
One supports the bracing or strutting arrangement of described at least one sheet glass below upper die;
One has the surface-supported shaping track of a upper glass plate, the selected edge section of the described at least one sheet glass of described shaping rail supported, described plate stayed surface have one corresponding to the expectation facade profile of the selected edge section of described at least one sheet glass and with the corresponding section complementary profile of upper die profiled surface;
One is positioned at the chamber below the described at least one sheet glass;
One running gear, it moves relative to each other upper die and shaping track, is pressed on the upper die profiled surface with at least one edge at least one sheet glass, and
A connection piece, thus it is incorporated into described chamber with the press face pushing towards the top mould of the centre portions at least of at least one sheet glass with gas under pressure.
2. equipment as claimed in claim 1, wherein said bracing or strutting arrangement comprises a bottom mould, described lower mould comprises that shaping track, is positioned at diapire, sidewall and the deformable thermodurable textile below the described shaping track, thereby described sidewall extends to described diapire from the shaping track and forms described chamber, and described fabric extends between the shaping track.
3. equipment as claimed in claim 2, wherein said running gear comprises a lift frame that lower mould is moved between a first location and a second position, in first location, lower mould separates with the top mould, in the second position, lower mould is near upper die, thereby the selected edge section that makes at least one sheet glass is crushed between the corresponding section of the shaping track of lower mould and upper die, in addition, at least when the bottom mould is positioned at the second position, thereby web member is incorporated into described chamber at the described indoor static pressure of setting up with gas under pressure.
4. equipment as claimed in claim 3, wherein the diapire of lower mould comprises an inlet and a spacer assembly, described lift frame comprises web member, and described web member comprises a collar, engages with described spacer assembly when described collar is formed at lift frame and is positioned at the second position.
5. equipment as claimed in claim 3, also comprise a upper die reciprocating moving device, described upper die reciprocating moving device moves upper die between a hoisting position and a decline position, in hoisting position, upper die separates with lower mould, at lowering position, upper die is near lower mould, thereby the selected edge section of at least one sheet glass is crushed between the corresponding section of the shaping track of lower mould and upper die.
6. equipment as claimed in claim 3, wherein at least one sheet glass comprises superimposed a pair of sheet glass.
7. equipment as claimed in claim 1, wherein said bracing or strutting arrangement are one to be positioned at the heat-resisting deformable carrier on the support frame, and described chamber comprises described shaping track, and described chamber is positioned at below the described deformable carrier.
8. equipment as claimed in claim 7, wherein said running gear comprises a lift frame, described lift frame can make described chamber move up and abut against on the deformable carrier, thereby the selected edge section of at least one sheet glass is crushed between the corresponding section of the shaping track of described chamber and upper die.
9. equipment as claimed in claim 7, wherein deformable carrier are heat-resisting, deformable feed surfaces, and described feed surface supports described at least one sheet glass, and allow the downward sagging preliminary shape that is of at least one sheet glass.
10. equipment as claimed in claim 7, wherein said deformable carrier comprises the track of heat-resisting, a deformable fabric, a plurality of post and the described post of a pair of support, described fabric is suspended between the horizontally extending bracing member, thereby forms a Hanging bed device, and described a plurality of posts support described member.
11. equipment as claimed in claim 1, wherein said upper die, bracing or strutting arrangement and described chamber are positioned at a heated case.
12., comprise that also one provides the hot gas source of pressurized, heated gas to described chamber as the equipment of claim 11.
13. as the equipment of claim 12, wherein said hot gas source comprises that at least one is positioned at the pipeline of heated case.
14. equipment as claimed in claim 2, wherein said fabric are selected from fiberglass cloth, stainless steel cloth and their combination, described sidewall and diapire are selected from metal sheet, heat-resisting fabric and their combination.
15. equipment as claimed in claim 1, wherein at least one sheet glass comprises superimposed a pair of sheet glass.
16. equipment as claimed in claim 1, wherein said upper die are a upper vacuum mold.
17. equipment as claimed in claim 1, also comprise a upper die reciprocating moving device, described upper die reciprocating moving device moves upper die between a hoisting position and a decline position, in hoisting position, upper die separates with lower mould, at lowering position, upper die is near lower mould, and the selected edge section of at least one sheet glass is crushed between the corresponding section of upper die and described bracing or strutting arrangement.
18. equipment as claimed in claim 1, wherein said bracing or strutting arrangement comprises a bottom mould, described lower mould comprises shaping track and the sidewall that extends from described shaping track downwards, described running gear comprises a lift frame that lower mould is moved between the first location and the second position, lift frame has a lower wall, wherein when the bottom mould is positioned at first location, diapire separates with the lower rim of the sidewall of described lower mould, and lower mould separates with the top mould, when the bottom mould is positioned at the second position, thereby diapire abuts against on the lower rim of sidewall of described lower mould and forms described chamber, thereby and lower mould is crushed between the corresponding section of the shaping track of lower mould and upper die the selected edge section of described at least one sheet glass near upper die, in addition, at least when the bottom mould is positioned at the second position,, described web member in described chamber, sets up static pressure thereby being incorporated into described chamber with gas under pressure.
19. as the equipment of claim 18, wherein said web member is fixed on the diapire.
20. a method that makes at least one thermal softening glass-pane shaping comprises:
Near the edge at least of the thermal softening sheet glass of at least one preliminarily forming, support described sheet glass;
With described at least one plate alignment between upper die and bottom shaping track, described upper die comprises a full surface press face, described press face has the profiled surface that a shape conforms to the desired curvature of described at least one sheet glass, described bottom shaping track comprises a upper glass plate stayed surface, the selected edge section of the described at least one sheet glass of described support, described plate stayed surface have one corresponding to the expectation facade profile at the edge of described at least one sheet glass and with the corresponding section complementary profile of upper die;
Bottom shaping track and upper die are moved relative to each other, thereby the selected edge section of described at least one sheet glass is crushed between the corresponding section of bottom profiled surface of bottom shaping track stayed surface and upper die;
With a Room be positioned at described at least one sheet glass below;
Seal described chamber; And
The pressurization of described chamber is biased on the upper die with the centre portions at least with described plate, thereby makes the configuration of described at least one glass-pane shaping for expectation.
21., wherein support and at least one sheet glass of alignment comprises as the method for claim 20: with at least one glass sheet support on the lower mould that comprises described shaping track; When described at least one block of plate is supported on the lower mould, to heat described at least one sheet glass and reach a temperature, the selected edge section of wherein said at least one sheet glass hangs down into described shaping track and contacts; Below upper die, move relative to each other the upper and lower mould mobile comprising, thereby the selected edge section of described at least one sheet glass is crushed between the corresponding section of lower mould and upper die with described lower mould alignment.
22. method as claim 21, also comprise a bottom mould is provided, described lower mould has sidewall and the diapire that extends from described shaping track downwards, thereby form described chamber, and mobile bottom shaping track and upper die seal described chamber with the operation meeting of the selected part of suppressing described at least one sheet glass betwixt.
23. method as claim 22, also comprise a upper deformable member across between the shaping track that is erected at lower mould, to support the centre portions at least of described at least one sheet glass, the centre portions at least that will be supported on the described at least one block of plate on the described deformable member to the pressurization of described chamber is biased on the upper die described member across expansion.
24. method as claim 22, wherein move and comprise make at least that lower mould moves between the first location and the second position, in first location, described at least one sheet glass separates with the top mould, in the second position, the selected at least edge section of described at least one sheet glass is crushed on the upper die.
25. method as claim 22, wherein move and comprise make at least that upper die moves between a hoisting position and a decline position, in hoisting position, upper die and described at least one sheet glass separate, at lowering position, the selected at least edge section of at least one sheet glass is crushed on the upper die.
26., also be included in to be supported on lower mould on the conveying roller before described at least one sheet glass be pressed on the upper die and lower mould promoted and leave described conveying roller as the method for claim 22.
27. method as claim 21, also comprise a bottom mould is provided, described lower mould has the sidewall that extends from the shaping track downwards, and provide a diapire that can between a first location and a second position, move, in first location, diapire separates with the lower rim of described lower mould sidewall, in the second position, diapire contacts and forms described chamber with the lower rim of sidewall, in addition, mobile bottom shaping track and upper die seal described chamber with the operation meeting of the selected part of suppressing described at least one sheet glass betwixt.
28. as the method for claim 20, wherein said chamber comprises described shaping track.
29. method as claim 28, wherein said support and alignment comprise: when described at least one sheet glass is heated to its thermal softening temperature, on a plurality of conveying rollers, carry described at least one sheet glass, described thermal softening sheet glass is delivered on the heat-resisting deformable fabric, and wherein said sheet glass is sagging to be preliminary configuration; And with described glass sheets between upper die and the described chamber; Move and comprise that described chamber is moved up to seal to be pressed on the upper die and with described chamber with the fabric contact and with sheet glass.
30. as the method for claim 28, wherein support and alignment comprise: on a heat-resisting deformable fabric, described fabric is supported on the transportation frame with described at least one glass sheet support; Make described at least one block of plate and support frame move through a stove, thereby described at least one sheet glass is heated to its thermal softening temperature, wherein said at least one sheet glass is preliminary configuration by gravity sag; With preliminarily forming in the described at least one sheet glass alignment on the described support frame between upper die and described chamber; And described chamber is moved up to seal to be pressed on the upper die and with described chamber with described fabric contact and with described at least one sheet glass.
31., also be included in the described indoor static pressure that is no more than 1.5psi that provides as the method for claim 20.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US42711602P | 2002-11-18 | 2002-11-18 | |
| US60/427,116 | 2002-11-18 | ||
| US60/438,877 | 2003-01-09 | ||
| US10/706,884 | 2003-11-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1714054A CN1714054A (en) | 2005-12-28 |
| CN1321081C true CN1321081C (en) | 2007-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003801035582A Expired - Fee Related CN1321081C (en) | 2002-11-18 | 2003-11-17 | Apparatus and method for bending glass sheets |
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| CN (1) | CN1321081C (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102514774A (en) * | 2011-12-14 | 2012-06-27 | 芜湖精塑实业有限公司 | Device for treating thermal insulation strips before packaging |
| EP3408233B1 (en) * | 2016-01-28 | 2019-10-02 | Saint-Gobain Glass France | Over-pressure assisted glass bending method and device suited for carrying out this method |
| CN106242255A (en) * | 2016-08-31 | 2016-12-21 | 广东安盛润和环境科技有限公司 | A kind of thermal deformation method of lead glass |
| GB201708761D0 (en) * | 2017-06-01 | 2017-07-19 | Pilkington Group Ltd | Method and apparatus for shaping a glass sheet |
| WO2019077277A1 (en) * | 2017-10-19 | 2019-04-25 | Saint-Gobain Glass France | Gravity-bending glass between a frame and a counter-frame |
| FR3106827B1 (en) * | 2020-01-31 | 2022-02-04 | Saint Gobain | Method and device for bending a sheet of glass by pressing against a bending mold |
| CN111908775B (en) * | 2020-07-20 | 2022-07-05 | 河北光兴半导体技术有限公司 | Tensioning device, hot bending mechanism and hot bending machine |
| CN111792822B (en) * | 2020-07-20 | 2022-08-30 | 河北光兴半导体技术有限公司 | Hot bending machine |
| CN111792826B (en) * | 2020-07-20 | 2022-07-12 | 河北光兴半导体技术有限公司 | Tensioning device, hot bending mechanism and hot bending machine |
| CN111792825B (en) * | 2020-07-20 | 2022-06-21 | 河北光兴半导体技术有限公司 | Tensioning device, hot bending mechanism and hot bending machine |
| CN115072981A (en) * | 2021-03-15 | 2022-09-20 | 洛阳兰迪玻璃机器股份有限公司 | Toughened glass forming method and toughened glass forming system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3715151A1 (en) * | 1987-05-07 | 1988-11-17 | Ver Glaswerke Gmbh | METHOD AND DEVICES FOR BENDING GLASS PANES |
| WO1993001140A1 (en) * | 1991-07-03 | 1993-01-21 | Risto Nikander | Method and equipment for bending and/or tempering glass sheets |
-
2003
- 2003-11-17 CN CNB2003801035582A patent/CN1321081C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3715151A1 (en) * | 1987-05-07 | 1988-11-17 | Ver Glaswerke Gmbh | METHOD AND DEVICES FOR BENDING GLASS PANES |
| WO1993001140A1 (en) * | 1991-07-03 | 1993-01-21 | Risto Nikander | Method and equipment for bending and/or tempering glass sheets |
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| CN1714054A (en) | 2005-12-28 |
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