CN101045603A - Device and method for manufacturing glass shaping product - Google Patents
Device and method for manufacturing glass shaping product Download PDFInfo
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- CN101045603A CN101045603A CN 200710091527 CN200710091527A CN101045603A CN 101045603 A CN101045603 A CN 101045603A CN 200710091527 CN200710091527 CN 200710091527 CN 200710091527 A CN200710091527 A CN 200710091527A CN 101045603 A CN101045603 A CN 101045603A
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Abstract
The invention provides the device and method for manufacturing glass shaping product by melting raw materials. The glass shaping product manufacturing device 10 comprises: fusing device 100, having smelt tank used to melt raw materials and form melten glass and leading path 200 connected with smelt tank and used to lead melten glass out of the smelt tank; flowing-down device 300, making the melten glass flowing out through leading path 200 flow down; glass shaping device 400, having many shaping dies which are used to shape the melten glass flowing down; transportation device 800, transporting glass shaping products shaped by many shaping dies; and the first shifting device 500, used to shift glass shaping products to transportation device 800.
Description
Technical field
The present invention relates to the manufacture method of a kind of glass product manufacturing and glass molded article.
Background technology
Before, the glass preformed member (glass gob, glass block, glass molded article) as the raw material of optical element etc. was to utilize fusing device to fuse raw material glass, and makes the melten glass of fusion gained be configured as suitable size, obtained therefrom.
Glass preformed member (glass gob, glass block, glass molded article) as the raw material of optical element etc. is to utilize fusing device to fuse raw material glass, and makes the melten glass of fusion gained be configured as suitable size, obtains therefrom.Herein, employed melting method in the manufacturing processed as the glass preformed member, known have continuous fusion and intermittence to fuse.For continuous fusion and since can in a plurality of fusion jar, carry out continuously frit input, fusion, clarification, and stir, thereby be suitable for situation such as mass production glass preformed member.On the other hand, for intermittently fusion because be the input of carrying out frit on single fusion jar discontinuous ground, fusion, clarification, and stir, thereby be suitable for the less situations such as glass preformed member of production gross production.
In the manufacturing of glass preformed member, importantly, the glass preformed member of making homogeneous accurately and having the fixed optics characteristic.Therefore, except that selecting suitable frit,, also need to carry out various considerations in the fusion of raw material glass, clarification, and agitation phases.Especially when intermittently melten glass is supplied with in fusion,, thereby become the unsettled reason of optical characteristics of glass preformed member because therefore raw material glass and discontinuous fusion easily produce bubble or striped etc.For solving described problem, the previous employing has following method,, uses mixing tool with screw wing etc. that is, makes melten glass produce convection current, thereby method (with reference to patent documentation 1) such as stirs.
[patent documentation 1] Japanese patent laid-open 2-252626 communique
Summary of the invention
[problem that invention institute desire solves]
Yet,, when melten glass is shaped, also can produce broken or damaged etc. even if when improving glass uniformity under the molten state etc. by described countermeasure.Especially adopting drips is shaped melten glass when nozzle drips to shaping dies and makes preformed member, and melten glass can be accepting sharply cooling on the mould, for the glass of particular types, can produce the broken or damaged etc. of glass.
[technique means of dealing with problems]
Discoveries such as present inventor, heating be used to the to be shaped shaping dies of melten glass, the shaping dies that undertakes under melten glass or the glass molded article state is carried out temperature control, make its temperature become specific temperature condition, can prevent the broken and damaged of the glass molded article that obtained thus, simultaneously quality is homogenized, prevent to produce striped etc., thereby finish the present invention.
(1) a kind of glass product manufacturing is characterized in that, possesses: fusing device has the raw materials melt of making and forms the fusion groove of melten glass and be connected in described fusion tank and make described melten glass effusive path of navigation from described fusion tank; Flow down device, make that effusive melten glass flows down via described path of navigation; Glass forming apparatus has a plurality of shaping dies that the described melten glass that flows down is shaped; Carrying device, conveyance utilize described a plurality of shaping dies respectively and the glass molded article that is shaped; And the 1st shifting apparatus, described glass molded article is transferred load to described carrying device one by one; Described glass forming apparatus has the shaping dies temperature control equipment, be used for regulating the more than one temperature of described a plurality of shaping dies, described shaping dies temperature control equipment heats the shaping dies of the state that undertakes described melten glass in described a plurality of shaping dies and/or the shaping dies that do not undertake the state of described melten glass or cools off, and carries out temperature control with this.
The glass product manufacturing of invention (1) possesses: fusing device has the raw materials melt of making and forms the fusion tank of melten glass and be connected in fusion tank and make melten glass effusive path of navigation from fusion tank; Flow down device, make that effusive melten glass flows down via path of navigation; Glass forming apparatus has a plurality of shaping dies that make the melten glass shaping that is flowed down; The glass molded article that carrying device, conveyance utilize a plurality of shaping dies to be shaped respectively; And the 1st shifting apparatus, glass molded article is transferred load to carrying device one by one; Glass forming apparatus has the shaping dies temperature control equipment, is used for regulating the more than one temperature of a plurality of shaping dies; Described shaping dies temperature control equipment heats the shaping dies of the state that undertakes melten glass in a plurality of shaping dies and/or the shaping dies that do not undertake the state of melten glass or cools off, thereby each comfortable its of a plurality of shaping dies undertakes under the state of melten glass or glass molded article and is subjected to temperature control.By as above glass forming die being carried out temperature regulation, can reduce the temperature head of melten glass and shaping dies, thereby it is broken, damaged to prevent that glass from producing.
(2) according to (1) described glass product manufacturing, it is characterized in that, each of described a plurality of shaping dies is subjected to temperature control, make the temperature of the particular moment under the state that undertakes described melten glass or described glass molded article, be higher than the temperature when undertaking described melten glass.
In the glass product manufacturing of invention (2), each of a plurality of shaping dies is subjected to temperature control, makes the temperature of the particular moment under the state that undertakes melten glass or glass molded article to be higher than the temperature when undertaking melten glass.As mentioned above,, the temperature of shaping dies temporarily is made as the temperature that is higher than when undertaking melten glass, thereby can be made into homogeneous more and do not have the glass of fragmentation, N/D by described thermostatic temperature regulation.
(3) according to (1) or (2) described glass product manufacturing, it is characterized in that, each of described a plurality of shaping dies is subjected to temperature control, make that under the state that undertakes described melten glass or described glass molded article the top temperature of each of these a plurality of shaping dies and the difference of minimum temperature are below 10 ℃.
In the glass product manufacturing of invention (3), each of a plurality of shaping dies is subjected to temperature control, make that under the state that undertakes melten glass or glass molded article the top temperature of each of these a plurality of shaping dies and the difference of minimum temperature are below 10 ℃.The temperature head that makes all shaping dies that undertake described melten glass in specified range, thereby can be made into the more glass of homogeneous, reduce to produce broken, damaged danger.
(4) according to each described glass product manufacturing in (1) to (3), it is characterized in that described carrying device possesses: a plurality of accepting containers, accommodate described glass molded article; The container heating unit heats each of described a plurality of accepting containers; And the container running gear, described a plurality of accepting container is moved.
In the glass product manufacturing of invention (4), carrying device possesses: a plurality of accepting containers of accommodating glass molded article; Each container heating unit that heats to a plurality of accepting containers; And the container running gear that a plurality of accepting containers are moved.Owing to possess described carrying device, thereby can perhaps be carried to storing tray with the glass molded article conveyance that has been shaped to subsequent step.
(5) according to (4) described glass product manufacturing, it is characterized in that, described container heating unit is before described glass molded article is transferred load to described a plurality of accepting container from described shaping dies, and each of this a plurality of accepting containers is heated.
In the glass product manufacturing of invention (5), the container heating unit is before glass molded article is transferred load to a plurality of accepting containers from shaping dies, and each of this a plurality of accepting containers is heated.Usually, accepting container is very cryogenic state, and its temperature is lower than described shaping dies.Therefore, even if described shaping dies is subjected to temperature control and can prevents brokenly or damaged, but if its temperature head with accepting container is excessive,, when being moved to accepting container, it also can produce fragmentation, damaged or be out of shape then according to the kind of glass.By described accepting container is heated, can dwindle the temperature head of shaping dies and accepting container, thereby can avoid described rough sledding.
(6) according to (4) or (5) described glass product manufacturing, it is characterized in that, described a plurality of shaping dies is subjected to temperature control, make the temperature of the shaping dies accept the particular glass molding, be higher than utilize described the 1st shifting apparatus come this particular glass molding of transfer the temperature of specific accepting container extremely.
In the glass product manufacturing of invention (6), a plurality of shaping dies are subjected to temperature control, make the temperature of the shaping dies undertake the particular glass molding, be higher than utilize the 1st shifting apparatus come this particular glass molding of transfer the temperature of specific accepting container extremely.
(7) according to each described glass product manufacturing in (1) to (6), it is characterized in that, more possess: weight selecting device, this weight selecting device have the Weight measurement device of being measured by the weight of the glass molded article of described carrying device conveyance, and sort the selecting device of described glass molded article according to the measurement result of described Weight measurement device; And the 2nd shifting apparatus, the described glass molded article of transfer between described carrying device and described weight selecting device.
The glass product manufacturing of invention (7) more possesses: weight selecting device, this weight selecting device have the Weight measurement device of being measured by the weight of the glass molded article of carrying device conveyance, and sort the selecting device of glass molded article according to the measurement result of Weight measurement device; And the 2nd shifting apparatus, transfer glass molded article between carrying device and weight selecting device.As mentioned above, the weight selecting device is connected with the manufacturing installation of described (1) to (6), thereby can promptly measures the weight of the glass molded article that is obtained, to reduce cost.
(8) a kind of manufacture method of glass molded article is characterized in that, comprising: the fusion step makes the melten glass that is obtained by raw material fusion in fusion tank flow out via the path of navigation that is connected with described fusion tank; Flow down step, make that effusive melten glass flows down via described path of navigation; The forming of glass step utilizes a plurality of shaping dies that the described melten glass that flows down is configured as glass molded article; The conveyance step utilizes carrying device to come the described glass molded article of conveyance; And the 1st transfer step, utilize the 1st shifting apparatus that described glass molded article is transferred load to described carrying device one by one; Described forming of glass step comprises the shaping dies temperature adjustment step, and the shaping dies of the state that undertakes described melten glass in described a plurality of shaping dies and/or the shaping dies that do not undertake the state of described melten glass are heated or cool off.
The manufacture method of the glass molded article of invention (8) possesses: the fusion step makes the melten glass that is obtained by raw material fusion in fusion tank flow out via the path of navigation that is connected with fusion tank; Flow down step, make that effusive melten glass flows down via path of navigation; Forming step utilizes a plurality of shaping dies that the melten glass that flows down is shaped; The conveyance step utilizes carrying device to come the conveyance glass molded article; And the 1st transfer step, utilize the 1st shifting apparatus that glass molded article is transferred load to carrying device one by one; Described forming of glass step comprises the shaping dies temperature adjustment step, the shaping dies of the state that undertakes described melten glass in described a plurality of shaping dies and/or the shaping dies that do not undertake the state of described melten glass are heated or cool off, and each leisure of a plurality of shaping dies in the forming of glass step undertakes under the state of melten glass or glass molded article and is subjected to temperature control.
(9) manufacture method of basis (8) described glass molded article, it is characterized in that, each of described a plurality of shaping dies in the described forming of glass step is subjected to temperature control, make the temperature of the particular moment under the state that undertakes described melten glass or described glass molded article, the temperature when each that is higher than these a plurality of shaping dies undertakes described melten glass.
In the manufacture method of the glass molded article of invention (9), each of a plurality of shaping dies in the forming of glass step is subjected to temperature control, make the temperature of the particular moment under the state that undertakes melten glass or glass molded article, the temperature when each that is higher than these a plurality of shaping dies undertakes melten glass.
(10) manufacture method of basis (8) or (9) described glass molded article, it is characterized in that, each of described a plurality of shaping dies in the described forming of glass step is subjected to temperature control, make that under the state that undertakes described melten glass or described glass molded article the top temperature of each of these a plurality of shaping dies and the difference of minimum temperature are below 10 ℃.
In the manufacture method of the glass molded article of invention (10), each of a plurality of shaping dies in the forming of glass step is subjected to temperature control, make that under the state that undertakes melten glass or glass molded article the top temperature of each of these a plurality of shaping dies and the difference of minimum temperature are below 10 ℃.
(11) manufacture method of each described glass molded article in the basis (8) to (10), it is characterized in that the container heating unit that described carrying device possesses a plurality of accepting containers, heat separately to described a plurality of accepting containers and the container carrying device of the described accepting container of conveyance; Described conveyance step comprises: accommodate step, utilize described a plurality of accepting container to accommodate described glass molded article; The container heating steps utilizes described container heating unit to heat described accepting container; And container moves step, utilizes described container carrying device that described accepting container is moved.
The container heating unit that in the manufacture method of glass molded article of invention (11), carrying device possesses a plurality of accepting containers, heat separately to a plurality of accepting containers and the container carrying device of conveyance accepting container; The conveyance step comprises: accommodate step, utilize a plurality of accepting containers and accommodate glass molded article; The container heating steps utilizes the container heating unit and heats accepting container; And container moves step, utilizes the container running gear and accepting container is moved.
(12) manufacture method of basis (11) described glass molded article, it is characterized in that, in described container heating steps, described container heating unit is before described glass molded article is transferred load to described a plurality of accepting container from described shaping dies, and each of this a plurality of accepting containers is heated.
In the manufacture method of the glass molded article of invention (12), in the container heating steps, the container heating unit is before glass molded article is transferred load to a plurality of accepting containers from shaping dies, and these a plurality of accepting containers are heated separately.
(13) according to the manufacture method of each described glass molded article in (8) to (12), it is characterized in that more comprise: weight sorts step, utilize the weight selecting device to measure and sort weight by the glass molded article of described carrying device conveyance; And the 2nd transfer step, the described glass molded article of transfer between the described weight selecting device that the described carrying device and the described weight of described conveyance step sorts step.
The manufacture method of glass molded article of invention (13) more comprises: weight sorts step, utilizes the weight selecting device to measure and sort weight by the glass molded article of carrying device conveyance; And the 2nd transfer step, transfer glass molded article between the weight selecting device that the carrying device and the weight of conveyance step sorts step.
(14) a kind of manufacture method of optical element is characterized in that, comprises accurate pressing step, will utilize the glass molded article of the manufacture method manufacturing of each described glass molded article in (8) to (13) to carry out precise press molding.
In the manufacture method of the optical element of invention (14), comprise accurate pressing step, will utilize the glass molded article of the manufacture method manufacturing of described glass molded article to carry out precise press molding.When the preformed member of the method manufacturing that will utilize (8) to (13) carries out precise press molding, the preformed member manufacturing step is linked to each other with accurate pressing step, form the successive step till the compacting of optical element thereby make to fuse from glass.On the contrary, also can make preformed member manufacturing and accurate pressing step is discontinuous step.
[effect of invention]
According to the present invention, when making glass molded article, can suppress rough sledding such as its fragmentation, damaged, striped, thereby can reduce the generation of defective products.
Description of drawings
Fig. 1 is one of the structure in general of glass product manufacturing of the present invention illustration figure.
Fig. 2 is one of the section overview illustration figure of fusing device that constitutes the part of glass product manufacturing shown in Figure 1.
Fig. 3 be constitute glass ware forming product manufacturing shown in Figure 1 a part path of navigation and flow down one of the section overview illustration figure of pipe.
Fig. 4 is one of the structure in general example of glass forming apparatus that constitutes the part of glass ware forming product manufacturing shown in Figure 1.
Fig. 5 is the vertical view of glass forming apparatus shown in Figure 4.
Fig. 6 is one of the vertical section overview example of the shaping dies structure of glass forming apparatus shown in Figure 5.
Fig. 7 is one of the positive overview example of the 1st shifting apparatus structure that constitutes the part of glass ware forming product manufacturing shown in Figure 1.
Fig. 8 is one of the upper surface overview of the 1st a shifting apparatus structure shown in Figure 7 example.
Fig. 9 is one of the structure in general example of carrying device that constitutes the part of glass ware forming product manufacturing shown in Figure 1.
Figure 10 is a melten glass from one of state that pipe drips to the shaping dies example that flows down shown in Figure 3.
Figure 11 is one of the succeeding state of a Figure 10 example.
[explanation of symbol]
10 glass product manufacturings
100 fusing devices
200 path of navigation
300 flow down device
400 glass forming apparatus
500 the 1st shifting apparatus
600 the 2nd shifting apparatus
700 weight selecting devices
800 carrying devices
Embodiment
[glass product manufacturing]
As shown in Figure 1, glass product manufacturing 10 possesses: the fusing device 100 of fusion frit, the glass forming apparatus 400 that flows down device 300 and the melten glass that flows down via flowing down device 300 is shaped that makes that melten glass by fusing device 100 fusion flows down.
As shown in Figure 1, glass product manufacturing 10 more possesses: carrying device 800, the glass molded article E that conveyance is shaped by glass forming apparatus 400; The 1st shifting apparatus 500 will transfer load to carrying device 800 by the glass molded article E that glass forming apparatus 400 is shaped; Weight selecting device 700 is measured the weight by the glass molded article E of carrying device 800 conveyances, and sorts according to its measurement result; And the 2nd shifting apparatus 600, will transfer load to weight selecting device 700 by the glass molded article E of carrying device 800 conveyances.
[fusing device and flow down device]
As shown in Figure 2, fusing device 100 comprises: fusion tank 110, and its inside possesses calciner 120; Heating element 116 is because of energising is generated heat and in order to heat is supplied to calciner 120; And mixing tool 140, in order to stir the melten glass C of calciner 120 inside.Calciner 120 is input, fusion, clarification that is used for carrying out frit and the fire-resistant crucible that stirs.Fire-resistant crucible preference is as gold, platinum, platinum alloy, quartz crucible.
Preferably, calciner 120 more possesses: in order to the throw-in part 126 that drops into frit, at the circular open portion 130 of the topmost opening of throw-in part 126 and the lid 128 that covers peristome 130.
And the mixing tool 140 that is configured in calciner 120 inside has turning axle 142 and is fixed on screw wing 144 on this turning axle integratedly.The shape of mixing tool 140 is as long as be made of the spirrillum propeller.The quantity of the mixing tool in each calciner 120 can be one, also can be a plurality of.Melten glass C also can not use mixing tool to stir, and for example, can use the well-known stirring means such as foaming of air or rare gas element, also can use deaerating agents such as weisspiessglanz, carries out the interpolation and the stirring of deaerating agent simultaneously.
The heating arrangements of the heating element 116 conduct heating calciners 120 that use is generated heat by energising, but be not limited to this.For example, heating arrangements also can utilize the burning of fuel and the method that heats, the method for high-frequency induction heating and the method that calciner 120 direct energisings are heated.That is, as long as heating arrangements can heat calciner 120 equably.
As shown in Figure 3, an end of path of navigation 200 is connected in the cut-out teeter column 124 lateral foots of calciner 120.The other end of path of navigation 200 constitutes the following device 300 that flows down.Path of navigation 200 possesses: straight line downtake 210 from one end to the other side descends with roughly the same ratio; Steering tube 220, the melten glass that is connected the feasible straight line downtake 210 of flowing through with straight line downtake 210 continuously turns to vertical direction; And flowing down pipe 230, the one end is connected in steering tube 220 and the other end makes melten glass drip to the shaping dies 430 (with reference to Fig. 4) of glass forming apparatus 400.In this example, by steering tube 220 and flow down pipe 230 and constitute and flow down device 300.
Path of navigation 200 can use by the direct heating that path of navigation self energising heat or utilize indirect heating utensil any one or two kinds of from the indirect heating that heat in the outside, controls the temperature of path of navigation 200.
And, with regard to the control of the temperature in this path of navigation, preferably, so that the temperature of described path of navigation is along the flow direction of described melten glass and the mode of step-down is regulated, further, more preferably, so that comparing comparatively gentle mode with the thermograde of naturally cooling, the thermograde of the scope till from the specific position of described path of navigation to described path of navigation end of downstream side is subjected to temperature control.
[glass forming apparatus]
Fig. 4 is one of the structure in general of glass forming apparatus 400 example.Glass forming apparatus 400 summarys have: on universal stage 422 that is supported and the concentric position that is configured in universal stage 422 peripheries and can hold from flowing down pipe 230 lower ends and a plurality of shaping dies 430 of effusive melten glass with rotating freely.
Particularly, glass forming apparatus 400 possesses: discoid universal stage 422, but its free rotary ground supporting turning axle 425, and can be to the right or to anticlockwise; Refrigerating unit 423, the central part of free rotary ground supporting universal stage 422 is as the cooling body of the part of side; And turning axle 425, be configured in refrigerating unit 423 central authorities, and be linked to rotation drive source (not shown).Glass forming apparatus 400 according to circumstances also can be provided with refrigerating unit 423 at the periphery of turning axle 425.
And, glass forming apparatus 400 and near, be positioned near the mobile route of shaping dies 430, and dispose in regular turn towards the sense of rotation of universal stage 422 and to flow down pipe the 230 and the 1st shifting apparatus 500, described flowing down on the mobile route that pipe 230 is positioned at shaping dies 430 and as the melten glass feed mechanism; Described the 1st shifting apparatus 500 is positioned on the mobile route of shaping dies 430 and as glass molded article E recovering mechanism.According to the kind of the glass of formed thereby, also can be provided with to shaping dies 430 heat individually as the thermostatic burner 450 of shaping dies.
Directly over one of a plurality of shaping dies 430 when flowing down pipe 230 lower end 230a and being arranged in universal stage 422 and the remaining static shaping dies 430.
Directly over one of a plurality of shaping dies 430 when the 1st shifting apparatus 500 is arranged in universal stage 422 and remains static shaping dies 430.The 1st shifting apparatus 500 is the Rotate 180 degree in the horizontal direction, and can lifting on above-below direction.The 1st shifting apparatus 500 is also referred to as withdrawing device.
As shown in Figure 5, a plurality of shaping dies 430 are configured on the universal stage 422 in the mode on the concentric position that is positioned at universal stage 422 peripheries.
Shaping dies 430 is subjected to temperature control and is under the specific temperature condition under the state of melten glass C and/or glass molded article E of packing into.For example, for shaping dies 430, utilization is as the thermostatic burner 450 of shaping dies, heat the shaping dies 430 under the state that undertakes melten glass C and/or do not undertake shaping dies 430 under the state of melten glass C, from accepting melten glass C, during glass molded article E transferred load to carrying device 800 by the 1st shifting apparatus 500, the temperature of described shaping dies 430 under the state that undertakes melten glass C and/or glass molded article E was controlled.
For example, shaping dies 430 is subjected to temperature control, make from accepting melten glass C, during glass molded article E transfers load to carrying device 800 by the 1st shifting apparatus 500, the temperature of the particular moment of shaping dies 430 under the state that undertakes melten glass C or glass molded article E is higher than the temperature when undertaking melten glass C.
And, for example, shaping dies 430 is subjected to temperature control, make from accepting melten glass C, during glass molded article E transfers load to carrying device 800 by the 1st shifting apparatus 500, under the state that undertakes melten glass C or glass molded article E, a plurality of shaping dies 430 separately top temperature and the difference of minimum temperature be below 10 ℃.
And for example, the shaping dies 430 of accepting particular glass molding E is subjected to temperature control, make its temperature be higher than this particular glass molding E by 500 transfers of the 1st shifting apparatus temperature extremely as the accepting container of specific supporting plate 862.
That is, in heating during shaping dies, quantity, the position of heating arrangements are not particularly limited among the present invention, preferably, and according to glass ingredient and appropriate change.
As shown in Figure 6, at the upper surface of shaping dies 430, be formed with concavity forming face 430a as continuing surface.Concavity forming face 430a be accept from flow down pipe 230 lower end 230a the face of effusive melten glass C.For concavity forming face 430a, preferably, constituted by the ventilation property porous material body 431 that is formed with the pore (not shown) that can spray gas.Inside 433 at porous material body 431 is formed with the space.The effect of shaping dies 430 is, 433 space, makes the melten glass come-up that is positioned at concavity forming face 430a therefrom, thereby preformed member is shaped to concavity forming face 430a ejection gas by pore within the porous material body 431.
And, being shaped in order to make the melten glass come-up, shaping dies may not be to be made of porous material, also can be the Japanese Patent spy and drives the shaping dies that the 2003-40632 communique is disclosed.
With regard to shaping dies of the present invention, can use as the Japanese Patent spy and open the well-known method that 2003-20248, Japanese Patent spy open 2000-95531.And the thermal property according to the glass of formed thereby also can suitably heat or the cooling forming mould.
[the 1st shifting apparatus]
As shown in Figures 7 and 8, the 1st shifting apparatus 500 possesses: rotatable rotary axle 501 and a pair of pivot arm 521,522, this a pair of pivot arm 521,522 is subjected to the supporting of turning axle 501, and extends in the horizontal direction and on mutually opposite direction.Pivot arm 521,522 possesses a pair of absorption handle 503c, the 503d that is positioned at its front end.
The 1st shifting apparatus 500 has makes turning axle 501 liftings, mobile running gear 504,505,506.Running gear 506 is installed on the refrigerating unit 423 by installation component 506a.By making 500 liftings of the 1st shifting apparatus, rotation, can in shaping dies, take out glass molded article and the transfer that has been shaped.
The glass removing method of employed shifting apparatus among the present invention also can be by absorption.
[carrying device]
As shown in Figure 9, carrying device 800 possesses: the supporting plate 862 of accommodating glass molded article E; As the endless belt conveyor 860 of mounting supporting plate 862 and the container running gear that makes it to move, it has 2 conveying belt 864; And the container heating unit 850 that is used to heat supporting plate 862.
Supporting plate 862 for example is formed with 4 concavities from the teeth outwards and forms face 862a, but makes 4 glass molded article E of its mounting.The quantity of concavity formation face can be any.
In addition, the quantity of container heating unit 850 can be any, and heating means can be the heating of fuel such as gas, also can be electric heating.Yet, also can not produce the material of rough sledding such as distortion even if the material of supporting plate 862 must be the heating that is subjected to this container heating unit 850.
[the 2nd transfer device]
The 2nd shifting apparatus 600 is arranged on the position that is higher than endless belt conveyor 860.It forms the structure that extends perpendicular to the length direction of endless belt conveyor 860.Endless belt conveyor 860 has track 682, from track 682 to the outstanding top board 684 of vertical direction and 4 suction tubes 692 that extend to vertical direction from four corners of top board 684 bottom surfaces.In addition, the 2nd shifting apparatus 600 is also referred to as the glass gob transfer device.
The 2nd shifting apparatus 600 takes out glass molded article E from supporting plate 862, and glass molded article E is transferred to weighing device 710 (first transfer mechanism) when utilizing endless belt conveyor 860 that supporting plate 862 is transferred load to transmitting place 864b as specific extracting position.
The 2nd shifting apparatus 600 judges that in 4 weighing display unit 722 weight of glass molded article E is in the specific criteria scope time, is transferred to supporting plate 862 (second transfer mechanism) with glass molded article E from specific weighing location.
In addition, in the 2nd shifting apparatus 600, make the transfer mechanism of winning identical, but also first transfer mechanism and second transfer mechanism can be set respectively with second transfer mechanism.
[weight selecting device]
Weight selecting device 700 has: 4 weighing devicees 710, and the weight for weighing glass molded article E with glass molded article E is converted to electric signal; Weighing display unit group 720 shows glass molded article E is carried out the result of weighing, and judges that it is whether in the certain criteria scope; 4 valve tubes 712 attract the not glass molded article E in standard range, and it is discharged from glass product manufacturing 10; And 4 vacuum pumps 713, be communicated with respectively with described valve tube 712.In addition, omitted its part in the description of valve tube 712.
In the position suitable of weighing device 710 upper surfaces, be formed with concavity and form face 710a with specific weighing location.The glass molded article E that is transferred by the 2nd shifting apparatus 600 is positioned in this concavity and forms on the face 710a.Weighing device 710 is to be positioned in after concavity forms on the face 710a at glass molded article E, weighing glass molded article E, and the electric signal corresponding with the weight of glass molded article E be sent to weighing display unit 722.The transfer path of signal can be wired, also can be wireless.In addition, weighing device 710 is examples of electronics Libra.
Weighing display unit group 720 is contained 4 weighing display unit 722.Weighing display unit 722 has liquid crystal indicator 723, and possesses CPU (Central Processing Unit, central processing unit), ROM (Read Only Memory, read-only storage), RAM (Random Access Memory, random access memory) (not shown) etc.This weighing display unit 722 is according to transmitting the electric signal of coming from weighing device 710, the weight of calculating glass molded article E, and whether the weight of judging this glass molded article E is in the certain criteria scope.That is, weighing display unit 722 works as whether qualified judgement (judgement) mechanism, its judgement (judgement) by the result of 710 weighings of weighing device whether in the certain criteria scope.
Above glass product manufacturing 10 is made glass molded article E by following manner.
When making glass molded article E, at first, frits such as cullet are fed in the calciner 120 from throw-in part 126.Make heating element 116 heatings by energising, conduct heat to calciner 120 thus, thereby the cullet of calciner 120 and calciner 120 inside is heated.When the temperature of cullet arrived fusing point, cullet began fusion, becomes uneven melten glass.
After becoming uneven melten glass, in calciner 120, insert mixing tool 140 in the cullet fusion, carry out at least a stirring in convection agitation and the cutting stirring.Also can be as mentioned above, well-known stirring means such as will bubble further makes up.
Path of navigation 200 is subjected to the temperature control of path of navigation control device, makes the temperature of path of navigation 200 along the flow direction of melten glass and step-down.
Melten glass is kept its original state uniformly, delivers to glass forming apparatus 400 by path of navigation 200.
Turning axle 425 rotates off and on fixed speed.Because the rotation of turning axle 425, thereby the universal stage that turning axle 425 is supported 422 rotations.
The shaping dies 430 that 450 pairs of burners are configured on the universal stage 422 heats, through the shaping dies 430 of heating because the rotation of universal stage 422, and to flow down pipe 230 under move.In the shaping dies 430, the gas through heating is from being opened on the pore ejection of concavity forming face 430a.This gas is supplied to shaping dies 430 from the pipe core that is arranged on the turning axle 425 by flue 429.
As shown in figure 10, when melten glass drips to shaping dies 430 from flowing down pipe 230, as shown in figure 11, pressure owing to the gas that is sprayed from shaping dies 430, make shaping dies 430 and melten glass C remain contactless state, make melten glass C rotation on one side, Yi Bian the preformed member that is shaped.
When melten glass dripped to shaping dies 430 in flowing down pipe 230, transmitter (not shown) made universal stage 422 rotations after detecting melten glass C, and the shaping dies 430 that accommodates melten glass C moves along with the rotation of universal stage 422.Along with the rotation of universal stage 422, shaping dies 430 from flow down pipe 230 under under the 1st shifting apparatus 500, move.Make melten glass be configured as curved body during this, become glass molded article E (being also referred to as glass gob, glass block, glass preformed member) through cooling.
Particularly, the melten glass that is contained in concavity forming face 430a cools off gradually, solidifies and becomes glass molded article E (being also referred to as glass gob, glass block, glass preformed member), and because from the gas of pore ejection, make this melten glass swim with concavity forming face 430a not contact condition the position and be shaped.
And, when temperature in forming process sharply descends and when causing glass molded article fragmentation, rough sledding such as damaged, preferably, utilizes heating unit to heat shaping dies at any part.Thereby the temperature that can not cause shaping dies sharply descends, and the result can reduce the fraction defective of glass molded article.
Then, formed glass molded article E is reclaimed by the 1st shifting apparatus 500.
The state (state that in Fig. 7 two-point drawing line described) of turning axle 501 for rising of the 1st shifting apparatus 500, one side's absorption handle 503a, the relative spacing of 503b are maintained P1, and the relative spacing of the opposing party's absorption handle 503c, 503d is maintained P2 (with reference to Fig. 8).Then, turning axle 501 descends, and the adsorption orifice 531 of absorption handle 503a, 503b is near two the glass molded article E (state that solid line is described among Fig. 7) on the universal stage 422.Then, absorption handle 503a, 503b adsorb this two glass molded article E.
Then, Rotate 180 degree after turning axle 501 rises.For example, turning axle 501 is to clockwise direction rotation (with reference to Fig. 8).Then, a side absorption handle 503a, 503b are to carrying device 800 side shiftings, and the opposing party's absorption handle 503c, 503d are to building mortion 400 side shiftings.During this, the relative spacing that a side is adsorbed handle 503a, 503b changes to P2, and the relative spacing that the opposing party is adsorbed handle 503c, 503d changes to P1.And during this, standby after the specific angle of universal stage 422 rotation makes follow-up glass molded article E by 500 transfers of the 1st shifting apparatus.
Then, turning axle 501 descends, the adsorption orifice 531 of the opposing party's absorption handle 503c, 503d is near two glass molded articles on the universal stage 422, on adsorption orifice 531 in the absorption glass molded article, discharges two glass molded articles from the adsorption orifice 531 of a side absorption handle 503a, 503b.
Then, Rotate 180 degree after turning axle 501 rises.For example, turning axle 501 is to rotation (with reference to Fig. 8) counterclockwise.By carrying out described action repeatedly, make the 1st shifting apparatus 500 that glass molded article E is transferred load to carrying device 800 one by one from glass forming apparatus 400.
After the 1st shifting apparatus 500 has reclaimed glass molded article E, become empty shaping dies 430 and also can move to the fiery scorching irradiation position of burner 450 once more, and utilize burner 450 and heat along with the rotation of universal stage 422.
By accommodate the shaping dies 430 of melten glass by burner 450 heating, make the temperature head of melten glass C and shaping dies 430 reduce, and melten glass C is sharply cooling not, therefore can prevent that the volume of melten glass C from sharply changing, and can prevent to produce in the cooled glass of melten glass C be full of cracks.
And, owing to make gas from shaping dies 430 ejections, make shaping dies 430 and melten glass C remain contactless state, make melten glass C rotation on one side, cool off on one side, therefore, shaping dies 430 does not contact with melten glass C, thereby can obtain the glass molded article E at the contactless vestige of the cooled glass surface of melten glass C.
Further, a plurality of shaping dies 430 are configured on the concentric position of universal stage 422 peripheries, universal stage 422 is rotated continuously, the burner 450 that makes shaping dies 430 move to thus to be configured on its mobile route, flue 429, and the 1st shifting apparatus 500 near, each device acts on shaping dies 430 repeatedly.Thus, but mass production glass molded article E.
Produce during the glass molded article E, burn to prevent axle, also refrigerating unit 423 can be set in order to cool off turning axle 425.
And,, then after turning axle 425 being heated indirectly, also can make the mobile maintenance of universal stage level and smooth by burner 450 heating shaping dies 430 as long as have this refrigerating unit.
Then, the action with regard to weight selecting device 700 describes.
With the glass molded article E that utilizes the 1st shifting apparatus 500 to be transferred from shaping dies 430, the transmitting place 864a place on the conveying belt 864 of endless belt conveyor 860 is positioned on the supporting plate 862.When supporting plate 862 upload be equipped with 4 glass molded article E after, endless belt conveyor 860 drives motor (not shown), thereby makes conveying belt 864 move specified time (specific range), thus with supporting plate 862 conveyances to transmitting place 864b.
To transmitting place 864b, top board 684 parallel moving make the distal portion of 4 suction tubes 692 form the top of face 862a in the concavity of supporting plate 862 with supporting plate 862 conveyances.
Then, utilize suction tube 692 absorption to keep glass molded article E after, top board 684 parallel moving make suction tube 692 be positioned at the top of weighing device 710.Suction tube 692 is discharged glass molded article E, and glass molded article E is positioned in respectively on the concavity formation face 710a of weighing device 710.
Weighing device 710 weighings are positioned in the glass molded article E that concavity forms face 710a.Weighing device 710 is sent to weighing display unit 722 with the electric signal corresponding with the weight of glass molded article E.Calculate the weighing display unit 722 of the weight of glass molded article E according to this electric signal, judge that be positioned in concavity forms the weight of the glass molded article E on the face 710a whether in the certain criteria scope.
When the judged result of weighing display unit 722 is outside the specific criteria scope, for the glass molded article E outside standard range is discharged in the outside, and to vacuum pump 713 supply powers.
After making vacuum pump 713 actions, suction tube 792 can carry out lifting, the glass molded article E that the absorption maintenance is not discharged from, i.e. glass molded article E in the standard range.Move to the top of supporting plate 862 once more when top board 684 after, discharge glass molded article E, and the concavity that makes the glass molded article E that is discharged be positioned in supporting plate 862 forms on the face 862a.
Then, endless belt conveyor 860 moves conveying belt 864 by CD-ROM drive motor once more, thus with supporting plate 862 conveyances to reclaiming position 864c.
Carrying device 800 is transferred to subsequent step with glass molded article (being also referred to as glass gob, glass block, preformed member, glass elements) behind the supporting plate 862 recovery glass molded article E of institute's conveyance.
Then, one of the temperature of shaping dies of the present invention and carrying device control form is described.
Table 1 is at the temperature controlled device (embodiment) that has carried out defined among the present invention and does not carry out this temperature controlled device (comparative example) separately, the result of the temperature gained in each place on the determinator.
The device of embodiment and comparative example has used described device of the present invention, but the number of shaping dies is 24 on the universal stage, all equally spaced is configured to the concentric circumferences shape.Described shaping dies can each clockwise rotation 15 degree every the set time.
, for convenience of explanation, the position of each shaping dies is made as No.1～24 herein, the place of shaping dies being accepted melten glass is made as No.1.Utilize gas burner to heat No.11 and No.13 in an embodiment, and do not carry out described heating in the comparative example.And, utilize shifting apparatus to take out the place of glass molded article, in embodiment, comparative example, all be made as No.18.
And for accepting container " accepting container (at first) ", its temperature is to be about to accept the glass molded article temperature before of taking out from shifting apparatus.
As the glass that is shaped, all having used Si-B-La in embodiment, comparative example is glass of high refractive index (Tg=570 ℃).
Further, in the device of embodiment, before containing glass molded article,, utilize hot plate to heat to containing the accepting container of the glass molded article that takes out by described shifting apparatus.
In addition, the temperature of the temperature of shaping dies and accepting container is measured by contact thermometer.
[table 1]
| The position | Embodiment (℃) | Comparative example (℃) |
| Shaping dies No.1 (accept melten glass after soon) | 143 | 60 |
| Shaping dies No.5 | 143 | 59 |
| Shaping dies No.11 | 145 | 59 |
| Shaping dies No.13 | 147 | 58 |
| Shaping dies No.18 (extracting position) | 145 | 58 |
| Accepting container (at first) | 67 | 29 |
In an embodiment, heat by shaping dies to No.11 and No.13 position, not only burner after heating soon temperature uprise, and spread all over all temperature of shaping dies and uprise, reduce with the temperature head of melten glass.In addition, in the position of No.11 and No.13, because of heating makes temperature be higher than to accept behind the melten glass soon temperature.Thereby the temperature that can prevent shaping dies sharply descends, and the fragmentation of glass molded article as a result, damaged phenomenon reduce.With respect to this, the temperature head of shaping dies and melten glass increases in comparative example, and the result easily produces the fragmentation of glass molded article, damaged phenomenon.
And the present invention is defined in described example, and the distortion in the scope of the purpose that attainable cost is invented, improvement etc. are included in the present invention.
Claims (14)
1. glass product manufacturing is characterized in that possessing:
Fusing device has the raw materials melt of making and forms the fusion tank of melten glass and be connected in described fusion tank and make described melten glass effusive path of navigation from described fusion tank;
Flow down device, make that effusive melten glass flows down via described path of navigation;
Glass forming apparatus has a plurality of shaping dies that the described melten glass that flows down is shaped;
The glass molded article that carrying device, conveyance utilize described a plurality of shaping dies to be shaped respectively; And
The 1st shifting apparatus transfers load to described carrying device one by one with described glass molded article;
Described glass forming apparatus has the shaping dies temperature control equipment, is used for regulating the more than one temperature of described a plurality of shaping dies,
Described shaping dies temperature control equipment heats the shaping dies of the state that undertakes described melten glass in described a plurality of shaping dies and/or the shaping dies that do not undertake the state of described melten glass or cools off, and carries out temperature control with this.
2. glass product manufacturing according to claim 1, it is characterized in that, each of described a plurality of shaping dies is subjected to temperature control, make the temperature of the particular moment under the state that undertakes described melten glass or described glass molded article, be higher than the temperature when undertaking described melten glass.
3. glass product manufacturing according to claim 1 and 2, it is characterized in that, each of described a plurality of shaping dies is subjected to temperature control, make that under the state that undertakes described melten glass or described glass molded article the top temperature of each of these a plurality of shaping dies and the difference of minimum temperature are below 10 ℃.
4. glass product manufacturing according to claim 1 is characterized in that, described carrying device possesses: a plurality of accepting containers, accommodate described glass molded article; The container heating unit heats each of described a plurality of accepting containers; And the container running gear, described a plurality of accepting container is moved.
5. glass product manufacturing according to claim 4, it is characterized in that, described container heating unit is before described glass molded article is transferred load to described a plurality of accepting container from described shaping dies, and each of this a plurality of accepting containers is heated.
6. glass product manufacturing according to claim 5, it is characterized in that, described a plurality of shaping dies is subjected to temperature control, make the temperature of the shaping dies accept the particular glass molding, be higher than utilize described the 1st shifting apparatus come this particular glass molding of transfer the temperature of specific accepting container extremely.
7. glass product manufacturing according to claim 1 is characterized in that more possessing:
Weight selecting device, this weight selecting device have the Weight measurement device of being measured by the weight of the glass molded article of described carrying device conveyance, and sort the selecting device of described glass molded article according to the measurement result of described Weight measurement device; And
The 2nd shifting apparatus, the described glass molded article of transfer between described carrying device and described weight selecting device.
8. the manufacture method of a glass molded article is characterized in that, comprising:
The fusion step makes the melten glass that is obtained by raw material fusion in fusion tank flow out via the path of navigation that is connected with described fusion tank;
Flow down step, make that effusive melten glass flows down via described path of navigation;
The forming of glass step utilizes a plurality of shaping dies that the described melten glass that flows down is configured as glass molded article;
The conveyance step utilizes carrying device to come the described glass molded article of conveyance; And
The 1st transfer step utilizes the 1st shifting apparatus that described glass molded article is transferred load to described carrying device one by one;
Described forming of glass step comprises the shaping dies temperature adjustment step, and the shaping dies of the state that undertakes described melten glass in described a plurality of shaping dies and/or the shaping dies that do not undertake the state of described melten glass are heated or cool off.
9. the manufacture method of glass molded article according to claim 8, it is characterized in that, each of described a plurality of shaping dies in the described forming of glass step is subjected to temperature control, make the temperature of the particular moment under the state that undertakes described melten glass or described glass molded article, the temperature when each that is higher than these a plurality of shaping dies undertakes described melten glass.
10. according to Claim 8 or the manufacture method of 9 described glass molded articles, it is characterized in that, each of described a plurality of shaping dies in the described forming of glass step is subjected to temperature control, make that under the state that undertakes described melten glass or described glass molded article the top temperature of each of these a plurality of shaping dies and the difference of minimum temperature are below 10 ℃.
11. the manufacture method of glass molded article according to claim 8, it is characterized in that, described carrying device possesses a plurality of accepting containers, to each the container heating unit that heats of described a plurality of accepting containers and the container carrying device of the described accepting container of conveyance
Described conveyance step comprises:
Accommodate step, utilize described a plurality of accepting container to accommodate described glass molded article;
The container heating steps utilizes described container heating unit to heat described accepting container; And
Container moves step, utilizes described container carrying device that described accepting container is moved.
12. the manufacture method of glass molded article according to claim 11, it is characterized in that, in described container heating steps, described container heating unit is before described glass molded article is transferred load to described a plurality of accepting container from described shaping dies, and each of this a plurality of accepting containers is heated.
13. the manufacture method of glass molded article according to claim 8 is characterized in that, more comprises:
Weight sorts step, utilizes the weight selecting device to measure and sort weight by the glass molded article of described carrying device conveyance; And
The 2nd transfer step, the described glass molded article of transfer between the described weight selecting device that the described carrying device and the described weight of described conveyance step sorts step.
14. the manufacture method of an optical element is characterized in that, comprises accurate pressing step, will utilize the glass molded article of manufacture method manufacturing of the glass molded article of claim 8 to carry out precise press molding.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006084474A JP4836627B2 (en) | 2006-03-27 | 2006-03-27 | Glass molded product manufacturing apparatus and glass molded product manufacturing method |
| JP2006-084474 | 2006-03-27 | ||
| JP2006084474 | 2006-03-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101045603A true CN101045603A (en) | 2007-10-03 |
| CN101045603B CN101045603B (en) | 2011-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710091527XA Expired - Fee Related CN101045603B (en) | 2006-03-27 | 2007-03-27 | Device and method for manufacturing glass shaping product |
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| Country | Link |
|---|---|
| JP (1) | JP4836627B2 (en) |
| CN (1) | CN101045603B (en) |
| TW (1) | TWI398413B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104098254A (en) * | 2014-06-11 | 2014-10-15 | 程金贤 | Glass traction pressing forming machine and forming process thereof |
| CN109896727A (en) * | 2019-03-27 | 2019-06-18 | 滁州兄弟科技有限公司 | A kind of drum-type washing machine observation window molding equipment and forming method |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105668990A (en) * | 2016-01-15 | 2016-06-15 | 江苏鑫亿鼎石英科技有限公司 | Automatic feeding device for smelting furnaces in succession for production of quartz tubes |
| CN109320056A (en) * | 2018-10-15 | 2019-02-12 | 基智精密科技(深圳)有限公司 | Glass manufacturing apparatus and method for glass preparation |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2865539B2 (en) * | 1993-11-08 | 1999-03-08 | 株式会社オハラ | Continuous forming equipment for crystallized glass |
| JPH07138026A (en) * | 1993-11-11 | 1995-05-30 | Olympus Optical Co Ltd | Apparatus for controlling weight of molten glass |
| JPH10139465A (en) * | 1996-11-14 | 1998-05-26 | Canon Inc | Production of raw material for forming optical element |
| JP3929237B2 (en) * | 2000-09-21 | 2007-06-13 | Ｈｏｙａ株式会社 | Glass lump manufacturing method and manufacturing apparatus, glass molded product manufacturing method, and optical element manufacturing method |
| JP3974376B2 (en) * | 2000-11-02 | 2007-09-12 | Ｈｏｙａ株式会社 | Method for producing glass lump, method for producing glass molded product, and method for producing optical element |
| JP4021628B2 (en) * | 2001-03-21 | 2007-12-12 | フジノン株式会社 | Optical material manufacturing equipment |
| JP3945995B2 (en) * | 2001-05-01 | 2007-07-18 | Ｈｏｙａ株式会社 | Glass lump manufacturing method, glass lump forming apparatus, glass molded product manufacturing method, and optical element manufacturing method |
| JP4599072B2 (en) * | 2004-03-19 | 2010-12-15 | Ｈｏｙａ株式会社 | Molten glass outflow pipe, method for manufacturing precision press preform and method for manufacturing optical element |
-
2006
- 2006-03-27 JP JP2006084474A patent/JP4836627B2/en not_active Expired - Fee Related
-
2007
- 2007-03-23 TW TW96110129A patent/TWI398413B/en not_active IP Right Cessation
- 2007-03-27 CN CN200710091527XA patent/CN101045603B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104098254A (en) * | 2014-06-11 | 2014-10-15 | 程金贤 | Glass traction pressing forming machine and forming process thereof |
| CN109896727A (en) * | 2019-03-27 | 2019-06-18 | 滁州兄弟科技有限公司 | A kind of drum-type washing machine observation window molding equipment and forming method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4836627B2 (en) | 2011-12-14 |
| JP2007254248A (en) | 2007-10-04 |
| TW200804205A (en) | 2008-01-16 |
| CN101045603B (en) | 2011-07-27 |
| TWI398413B (en) | 2013-06-11 |
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