WO2014038709A1 - ガラス成形体の製造装置及びガラス成形体の製造方法 - Google Patents
ガラス成形体の製造装置及びガラス成形体の製造方法 Download PDFInfo
- Publication number
- WO2014038709A1 WO2014038709A1 PCT/JP2013/074369 JP2013074369W WO2014038709A1 WO 2014038709 A1 WO2014038709 A1 WO 2014038709A1 JP 2013074369 W JP2013074369 W JP 2013074369W WO 2014038709 A1 WO2014038709 A1 WO 2014038709A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- unit
- mold
- molding
- preheating
- sub
- Prior art date
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B35/00—Transporting of glass products during their manufacture, e.g. hot glass lenses, prisms
- C03B35/005—Transporting hot solid glass products other than sheets or rods, e.g. lenses, prisms, by suction or floatation
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/02—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing in machines with rotary tables
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/12—Cooling, heating, or insulating the plunger, the mould, or the glass-pressing machine; cooling or heating of the glass in the mould
- C03B11/122—Heating
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/16—Gearing or controlling mechanisms specially adapted for glass presses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2215/00—Press-moulding glass
- C03B2215/40—Product characteristics
- C03B2215/46—Lenses, e.g. bi-convex
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2215/00—Press-moulding glass
- C03B2215/72—Barrel presses or equivalent, e.g. of the ring mould type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Definitions
- the present invention relates to a glass molded body manufacturing apparatus and a glass molded body manufacturing method, and more particularly to an apparatus and method for molding a glass material by heating a glass material placed in a mold and pressing the glass material. .
- Patent Document 1 Japanese Patent Laid-Open No. 63-170225
- a press mechanism is arranged in the molding portion, and the outer periphery of the molding portion is heated.
- a molding apparatus in which a coil is disposed is disclosed.
- Patent Document 2 Japanese Patent Application Laid-Open No. 1-157425
- processing chambers such as a heating chamber, a press chamber, and a cooling chamber are continuously arranged on the turntable in the circumferential direction, and the glass is formed by the turntable.
- An apparatus for manufacturing a glass molded body by heating (preheating), press-molding, and cooling a glass material by sequentially transferring a molding die containing the material through these chambers is disclosed.
- Patent Document 1 Japanese Patent Laid-Open No. 63-170225
- Patent Document 1 Japanese Patent Laid-Open No. 63-170225
- the press molding process requires much time compared to the preheating process, the cooling process, and the mold take-out / loading process. For this reason, when it is going to manufacture a glass molded object using a some metal mold
- the turntable cannot be rotated until the press molding process is completed. For this reason, while a press molding process is being performed on a certain mold, another mold cannot perform the next process even if a process such as preheating is completed. For this reason, under the influence of the time required for the press molding process of other molds, the entire manufacturing process of the glass molded body takes a long time, and the productivity is lowered.
- the present invention has been made in view of the above problems, and is to provide a glass forming apparatus and method with high productivity.
- a glass molded body manufacturing apparatus is a glass molded body manufacturing apparatus for manufacturing a glass molded body by heating a glass material disposed in a mold unit and press-molding the glass material.
- a sub-process for performing processing different from that of the main processing unit including replacement of a glass molded body formed from a mold unit with a glass material and heating of a glass material arranged in a new mold unit.
- the manufacturing apparatus further includes: a main moving mechanism that moves the mold unit between the main processing unit and the conveying unit; and a sub moving mechanism that moves the mold unit between the sub processing unit and the conveying unit.
- a main moving mechanism that moves the mold unit between the main processing unit and the conveying unit
- a sub moving mechanism that moves the mold unit between the sub processing unit and the conveying unit.
- the manufacturing method of the glass forming body of this invention is a manufacturing method of the glass forming body using the manufacturing apparatus of a glass forming body, Comprising:
- a manufacturing apparatus contains the conveyance part which accommodates the turntable which can rotate, and gold
- a sub-movement mechanism that moves the mold unit between the sub-processing unit and the transport unit, and the manufacturing method includes a mold unit that has been press-molded by the sub-processing unit and a new mold unit.
- the molding step for press-molding the glass material, and the mold unit is moved from the main processing section to the transport section by the main moving mechanism.
- a main-sub movement step that is rotated by a turntable in the conveyance unit and moved from the conveyance unit to the sub-processing unit by a sub-movement mechanism, and this is performed during the molding step for one mold unit.
- at least a part of at least one of the replacement step and the preheating step is performed on the other mold unit.
- the sub-processing section exchanges with another mold unit and replaces the glass material. Heating can be performed. Thereby, the productivity of a glass molded object can be improved.
- a highly productive glass forming apparatus and method can be provided.
- FIG. 1 is a schematic perspective view illustrating a configuration of a lens molding device according to a first embodiment. It is a horizontal sectional view in the height of a conveyance part which shows the structure of the lens shaping
- FIG. 4 is a cross-sectional view taken along the line AA ′ in FIG. 3, showing the configuration of the lens molding apparatus according to the first embodiment.
- FIG. 4 is a cross-sectional view taken along the line BB ′ in FIG. 3, showing the configuration of the lens molding apparatus according to the first embodiment.
- FIG. 10 is a view for explaining the lens forming method of the first embodiment, and is a cross-sectional view taken along the line BB ′ in FIG. 9.
- FIG. 12 is a view for explaining the lens forming method of the first embodiment, and is a cross-sectional view taken along the line BB ′ in FIG.
- FIG. 14 is a view for explaining the lens forming method of the first embodiment, and is a cross-sectional view taken along line BB ′ in FIG. 13.
- FIG. 16 is a view for explaining the lens forming method of the first embodiment, and is a cross-sectional view taken along the line BB ′ in FIG. 15. It is a graph which shows the time history of the temperature of the glass material in the metal mold
- FIG. 22 is a cross-sectional view taken along line AA ′ in FIG. 21. It is a figure which shows the flow of the process performed to a pair of metal mold unit in the glass forming apparatus of 2nd Embodiment.
- FIG. 1 to 5 show the configuration of the lens molding apparatus according to the first embodiment
- FIG. 1 is a schematic perspective view
- FIG. 2 is a horizontal sectional view at the height of the conveyance unit
- FIG. 3 is a preheating unit
- molding unit, and replacement 4 is a horizontal cross-sectional view at the height of the chamber
- FIG. 4 is a cross-sectional view along AA ′ in FIG. 3
- FIG. 5 is a cross-sectional view along BB ′ in FIG.
- the transport unit is indicated by a broken line.
- FIG. 6 is a vertical sectional view showing the configuration of the mold unit 12 used in the lens molding apparatus of this embodiment.
- the lens molding apparatus 1 includes a substantially cylindrical conveyance unit (conveyance chamber) 2 and a preheating unit (preheating chamber) 4 provided adjacent to the upper part of the conveyance unit 2.
- a pair of mold units 12A and 12B in which molds (molding molds) 11A and 11B are placed on the mold support members 10A and 10B are transferred to the preheating unit via the transport unit 2. 4.
- the glass material is molded by sequentially moving the molding unit 6 and the exchange unit 8 to perform each step.
- the preheating unit 4, the molding unit 6, and the replacement unit 8 are arranged along the circumference of a small circle C (see FIG. 2) having a predetermined radius smaller than the outer diameter of a turntable 14 described later, that is, the preheating unit 4.
- the molding part 6 and the exchange part 8 are arranged so that the centers thereof are located on the small circle C.
- molding part 6 are provided in the mutually opposite radial direction centering on the rotating shaft 16 of the turntable 14.
- the exchange unit 8 is provided at a position rotated 60 ° clockwise from the preheating unit 4 around the rotation shaft 16 (see FIGS. 4 and 5) of the turntable 14 when viewed from above.
- the transport unit 2 has a cylindrical space formed by the transport unit casing 2 ⁇ / b> A.
- the turn table 14 installed in the space, and the preheating unit provided below the preheating unit 4, the forming unit 6, and the replacement unit 8, respectively.
- the moving mechanism 24, the molding unit moving mechanism 26, and the replacement unit moving mechanism 28 are provided.
- openings 4B, 6B, and 8B are formed at locations on the upper surface of the transport unit casing 2A that correspond to the preheating unit 4, the molding unit 6, and the replacement unit 8, respectively.
- the space in the transport unit 2 communicates with the space in the preheating unit 4, the molding unit 6, and the replacement unit 8 through the openings 4B, 6B, and 8B.
- the openings 4B and 6B formed between the transport unit 2, the preheating unit 4 and the molding unit 6 have larger diameters than the mold support members 10A and 10B, respectively. Further, the opening 8B formed between the transport unit 2 and the exchange unit 8 has a smaller diameter than the mold support members 10A and 10B.
- the transport unit 2 is not particularly heated by a heater or the like. However, the present invention is not limited to this, and the transport unit 2 may be heated.
- molding part 6 is made into inert gas atmosphere. As the inert gas, nitrogen, argon, or the like is used, and the oxygen concentration is preferably 5 ppm or less. Thus, the inside of the conveyance part 2, the preheating part 4, and the shaping
- the turntable 14 includes a rotating shaft 16 provided so as to extend from below in the center of the transport unit 2, and a disk-shaped rotating plate 18 supported by the rotating shaft 16.
- a driving device (not shown) for rotating the rotating shaft 16 such as a motor is provided below the transport unit 2.
- the rotating shaft 16 is rotated by the driving device, the rotating disk 18 rotates, and the mold units 12A and 12B on the rotating disk 18 can be rotated.
- the turntable 14 can rotate clockwise and counterclockwise.
- long holes 20A and 20B are formed in the turntable 18 so as to be point-symmetric with respect to the rotating shaft 16 and extending in two arcs. These two long holes 20 ⁇ / b> A and 20 ⁇ / b> B are formed so that an arc passing through the center in the width direction is located on the circumference of the small circle C centering on the rotation shaft 16. Further, the long holes 20A and 20B extend around the rotation axis 16 over an angle range equal to an angle between the exchange unit 8 and the preheating unit 4 (that is, 60 ° in the present embodiment). In addition, the angle between the exchange part 8 and the preheating part 4 can be suitably set in an arbitrary angle range of 45 °, 90 °, 120 °, or less than 180 °. The preheating part 4, the molding part 6 and the exchange part 8 are formed above the conveying part 2 along the circumference of a small circle C passing through the center of the long holes 20A, 20B in the width direction.
- Each moving mechanism 24, 26, 28 includes drive shafts 24B, 26B, 28B extending in the vertical direction, and holding members 24A, 26A, 28A attached to the tips of the drive shafts 24B, 26B, 28B.
- These moving mechanisms 24, 26, and 28 are provided directly below the preheating unit 4, the molding unit 6, and the replacement unit 8 so as to correspond to the chambers 4, 6, and 8.
- the drive shafts 24B, 26B, and 28B of the respective moving mechanisms 24, 26, and 28 are held by the holding members 24A, 26A, and 28A by the drive device (not shown) such as an actuator provided below the transport unit 2.
- the holding member 24A, 26A, 28A at the front end is inserted into the positions 20A, 20B formed in the turntable 14 so as not to interfere with the lower part and the turntable 14, and the preheating part 4, the molding part 6, and the exchange part It is possible to move up and down in the up and down direction between the position advanced to the lower end position of 8.
- the moving mechanisms 24, 26, and 28 are configured so that the mold units 12 ⁇ / b> A and 12 ⁇ / b> B are accommodated in the lower position of the turntable 14 and the chambers of the preheating unit 4, the molding unit 6, and the replacement unit 8, respectively. It can be moved between positions.
- the turntable 14 can be rotated between the preheating unit 4 and the exchange unit 8.
- the preheating unit 4 is composed of a substantially cylindrical space defined by the preheating unit casing 4A, and includes a heater 29 provided therein.
- a heater 29 for example, a heater that can uniformly heat a heating target (mold unit) arranged inside a coil heater or the like from the outer periphery is desirable.
- the mold unit is heated to a temperature near the glass transition temperature Tg of the glass material.
- the inside of the preheating unit 4 is preferably an inert gas atmosphere.
- the heater 29 is provided inside the preheating unit 4.
- the present invention is not limited to this, and the heater 29 may be installed outside the preheating unit 4.
- the molding unit 6 is formed of a substantially cylindrical space defined by the molding unit casing 6B, and includes a press machine 30 and a heater 32.
- the press machine 30 includes a press head 30A and a press head drive unit 30B.
- the press head drive unit 30B incorporates an actuator such as a hydraulic piston inside, and the press head 30A is lowered downward into the molding unit 6 by driving the actuator.
- the heater 29 is provided for heating and softening the glass material disposed in the mold unit 12.
- molding part 6 is desirable similarly to the heater 29 of the preheating part 4, for example, what can heat the heating object arrange
- the heater 32 is provided inside the molding unit 6. However, the present invention is not limited thereto, and the heater 32 may be installed outside the molding unit 6.
- the exchanging part 8 is composed of a substantially cylindrical space defined by the exchanging part casing 8A.
- the replacement part casing 8A includes a base casing 34A integrated with the upper part of the transport part casing 2A, and an upper casing 34B disposed above the base casing 34A.
- An O-ring 36 is attached to the upper end surface of the base casing 34A. Thereby, when the upper casing 34B is coaxially disposed above the base casing 34A, the O-ring 36 seals the base casing 34A and the upper casing 34B without any gap.
- An O-ring 38 is also attached around the opening 8B corresponding to the replacement unit 8 on the upper surface of the transport unit casing 2A.
- the molding unit 6 constitutes a main processing mechanism that press-molds the glass material in the mold unit.
- the preheating unit 4 and the exchange unit 8 constitute a sub-processing unit for exchanging the mold unit for which press molding has been completed and a new mold unit and heating the glass material disposed in the new mold unit.
- the molding part moving mechanism 26 constitutes a main moving mechanism
- the preheating part moving mechanism 24 and the exchange part moving mechanism 28 constitute a sub moving mechanism.
- the mold unit 12 (12A and 12B shown in FIG. 1) includes a mold 11 (11A and 11B shown in FIG. 1) and a mold support member 10 (10A and 10B shown in FIG. 1).
- a mold 11 is attached to the mold support member 10.
- the mold (molding die) 11 includes an upper die 13A and a lower die 13B having molding surfaces formed in accordance with the shape of the glass molded body to be manufactured, and the radial positions of the upper die 13A and the lower die 13B.
- a body mold 13C for regulating A release film is formed on the molding surfaces of the upper mold 13A and the lower mold 13B.
- the glass material 15 is disposed in a state of being sandwiched between the upper mold 13A and the lower mold 13B.
- FIGS. 7 to 17 are diagrams for explaining the lens molding method according to the first embodiment.
- 7, 9, 11, 13, and 15 are diagrams showing the horizontal position of the mold support member in each step.
- FIGS. 8, 10, 12, 14, and 16 are FIGS.
- FIG. 16 is a cross-sectional view taken along the line BB ′ in FIGS. 9, 11, 13, and 15.
- FIG. 17 is a graph showing the time history of the temperature of the glass material in the mold attached to one mold support member.
- FIG. 18 is a diagram illustrating a flow of processing steps performed on the pair of mold units 12A and 12B.
- the molding of the glass material in one mold 11 ⁇ / b> A is completed, and one mold unit 12 ⁇ / b> A is disposed in the replacement unit 8, and the other mold
- the description starts from a state immediately after the mold unit 12B moves to the molding unit 6.
- the drive shaft 28B of the replacement unit moving mechanism 28 is located at the end portion in the clockwise direction of the one long hole 20B.
- the drive shaft 26B of the forming portion moving mechanism 26 is in a state of being located at the end portion in the counterclockwise direction of the other long hole 20A.
- the exchange step S10 for exchanging the mold 11A of one mold unit 12A in the exchange unit 8 is performed. That is, first, the upper casing 34B of the replacement unit 8 is moved upward. And the glass molded object and metal mold
- the O-ring 38 is provided around the opening communicating with the replacement unit 8 of the transport unit casing 2A, the upper surface of the mold support member 10A supported by the moving mechanism 28 and the O-ring 38 are in contact with each other. Touch. Thereby, even if the upper casing 34B of the exchange unit 8 is removed, the inside of the transport unit 2 can be kept airtight, and an increase in oxygen (O 2 ) concentration can be prevented.
- a pressing step S50 (heating step S51, first pressurizing step S52, cooling step S53, and second step) for pressing the die 11B of the other die unit 12B is performed.
- a pressurizing step S54 is performed.
- each process in press step S50 is demonstrated in detail when performing this press step S50 to the metal mold
- the first moving step S20 for moving one mold unit 12A from the exchange unit 8 to the preheating unit 4 is performed in a state where the press step S50 is performed on the mold 11B of the other mold unit 12B. That is, first, the mold unit 12A is moved from the exchange unit 8 to the turntable 14 by the exchange unit moving mechanism 28. Then, the turntable 14 is rotated until one mold unit 12A is positioned directly below the preheating unit 4 (that is, 60 ° counterclockwise when viewed from above). At this time, an arc-shaped long hole 20A is formed in the turntable 14, and the drive shaft 26B of the molding portion moving mechanism 26 holds the other mold unit 12B in a state of being inserted through the arc-shaped long hole 20A.
- the turntable 14 can be rotated without interference between the turntable 14 and the drive shaft 26B.
- one mold unit 12 ⁇ / b> A is moved from the turntable 14 into the preheating unit 4 by the preheating unit moving mechanism 24.
- the first moving step S20 corresponds to a sub-sub moving step.
- the preheating step S30 is performed on the mold 11C of the one mold unit 12A. That is, the mold 11 ⁇ / b> C is heated by the heater 29 in the preheating unit 4. As shown in FIG. 17, in the preheating step, it is preferable to control the heater 29 so that the temperature of the glass material in the mold 12C does not exceed the glass transition temperature Tg + 10 ° C.
- a second movement step S40 for moving the one mold unit 12A from the preheating unit 4 to the molding unit 6 is performed.
- a third movement step S60 for moving the other mold unit 12B from the molding unit 6 to the replacement unit 8 is performed.
- the preheated mold unit 12 ⁇ / b> A is moved from the preheating unit 4 to the turntable 14 by the preheating unit moving mechanism 24 and the molding unit moving mechanism 26.
- the other mold unit 12 ⁇ / b> B is moved from the molding unit 6 to the turntable 14.
- the turntable 14 is rotated until one mold unit 12A is positioned below the molding portion 6 (in this embodiment, it is rotated 180 °).
- 11 and 12 show a state in the middle of rotation in the second and third movement steps (a state in which the turntable 14 is rotated 90 ° clockwise).
- the second moving step S40 corresponds to a sub-main moving step for moving the mold unit from the sub processing unit to the main processing unit.
- the temperature of one mold unit 12A is equal to or higher than the temperature obtained by subtracting 50 ° C. from the glass transition temperature of the glass material (Tg ⁇ 50 ° C.), and 10 ° C. is added to the glass transition temperature. It is desirable to carry out when the temperature is in the range below the temperature (Tg + 10 ° C.) In this embodiment, the temperature in the conveyance unit 2 is maintained at about 200 ° C.
- the temperature of the glass material slightly decreases.
- the temperature of the glass material is higher than the glass transition temperature Tg when moved into the transport unit 2. (See FIG. 17).
- Tg glass transition temperature
- the temperature of one mold unit 12A is equal to or higher than the temperature obtained by subtracting 50 ° C. from the glass transition temperature of the glass material, the heating time after the one mold unit 12A moves to the molding section 6 is shortened. can do.
- the temperature of one mold unit 12A is equal to or higher than a temperature (Tg ⁇ 20 ° C.) obtained by subtracting 20 ° C. from the glass transition temperature of the glass material and equal to or lower than the glass transition temperature Tg. More preferably.
- one mold unit 12 ⁇ / b> A is subjected to a heating step S ⁇ b> 51 in the press step S ⁇ b> 50. That is, in the molding section 6, the heater 32 heats one mold unit 12A to a temperature at which the glass material in the mold 11C corresponds to a glass viscosity of 10 6 to 10 11 dPa ⁇ s. Preferably, heating is performed until it becomes higher by about 10 to 30 ° C. than the yield point Ts.
- the turntable 14 is rotated 60 ° clockwise. At this time, since the long hole 20 ⁇ / b> B is formed in the turntable 14, the turntable 14 can be rotated even when one mold unit 12 ⁇ / b> A is disposed in the molding portion 6 by the moving mechanism 26. . In this state, the glass material in the other mold unit 12B is gradually cooled in the transport unit 2. Thereafter, the other mold unit 12B is moved from the turntable 14 into the exchange unit 8 by the moving mechanism 28. This completes the third movement step S60.
- the first pressurizing process S52 in the press step S50 is subsequently performed on the mold 11C of the one mold unit 12A in the molding unit 6. That is, while maintaining the temperature of the glass material of one mold unit 12A, the press head drive unit 30B lowers the press head 30A for a predetermined time (for example, several tens of seconds to several tens of minutes) to move the mold 11C up and down. Press in the direction and press mold the glass material.
- the press load P1 in the first pressurizing step S52 is preferably 30 to 200 kgf / cm 2 .
- cooling step S53 heating of the mold 11C by the heater 32 is stopped, or the heating temperature is lowered, and the mold 11C and the glass material inside are gradually cooled.
- the cooling rate in the cooling step S53 is preferably set within the range of 50 to 100 ° C./min.
- the second pressurizing step S54 is performed.
- the press machine 30 presses the mold 11C in the vertical direction for a predetermined time (for example, several tens of seconds to several tens of minutes).
- the mold 11C and the glass material are gradually cooled.
- the press load P2 in the second pressurizing step S54 is preferably smaller than the press load P1 in the first pressurizing step S52, for example, 10 to 40 kgf / cm 2 .
- the mold exchanging step S10 is performed in the mold unit 12B.
- the first moving step S20 and the preheating step S30 are performed. These steps may be performed in the same manner as described with respect to the first mold unit 12A, and detailed description thereof is omitted here.
- a third movement step S60 for moving the mold unit 12A from the molding unit 6 to the replacement unit 8 is performed.
- a second moving step S40 for moving the mold unit 12B from the preheating unit 4 to the molding unit 6 is performed. These steps may be performed in the same manner as the second moving step S40 is performed on the one mold unit 12A and the third moving step S60 is performed on the other mold unit 12B. Description is omitted.
- This third moving step S60 is performed at a temperature (Tg + 10) that is equal to or higher than the temperature obtained by subtracting 100 ° C. from the glass transition temperature of the glass material of the first mold unit 12A (Tg ⁇ 100 ° C.). ° C) It is good to carry out at the following ranges. It is more preferable to carry out in the range from temperature (Tg ⁇ 80 ° C.) to temperature (Tg ⁇ 10 ° C.).
- the first mold unit 12A is moved from the molding unit 6 to the transport unit 2 by starting the third movement step S60 at a temperature equal to or lower than 10 ° C. added to the glass transition temperature, the glass The temperature of the material is lowered to the glass transition temperature Tg or lower. For this reason, the influence of a deformation
- the third moving step S60 corresponds to a main-sub moving step for moving the mold unit from the main processing unit to the sub processing unit.
- the glass molded body can be repeatedly produced in parallel by shifting the timing by the pair of mold units 12A and 12B.
- the removed mold 11C may be sufficiently cooled outside the apparatus.
- the molding unit moving mechanism 26 is one of the mold units. Even in a state where 12A is arranged in the molding portion 6, the turntable 14 can be rotated.
- the turntable 14 moves the one mold unit 12A between the replacement unit 8 and the preheating unit 4. be able to.
- the exchange part 8, the preheating part 4 and the mold 11 are effective. It can be used and productivity can be improved.
- the long holes 20A and 20B formed in the turntable 14 are formed over an angular width equal to the angular width between the preheating unit 4 and the exchange unit 8 with the rotation axis of the turntable 14 as the center. ing.
- the glass material of one mold unit 12A is pressed, the glass material of the mold 11 attached to the other mold unit 12B is replaced with the glass material of the other mold unit 12B.
- the first moving step and the preheating step are performed. Thereby, since the waiting time of the other mold unit 12B is eliminated, productivity can be improved.
- a long hole is formed in the turntable 14 over an angular range between the replacement unit 8 and the preheating unit 4 around the rotation axis. You may form over an angle range larger than the angle range between the parts 4.
- molding part 6 are arrange
- these chambers should just be provided in the position spaced apart in the circumferential direction.
- the turntable 14 can be rotated in a state where the molding unit moving mechanism 26 places the mold unit 12B in the molding unit 6.
- the present invention is not limited to this, and for example, an arm or the like that moves the mold unit between the preheating unit 4 and the replacement unit 8 on the turntable 14 may be provided. That is, if one of the plurality of moving mechanisms has the mold support member disposed in the molding unit 6, the other mold support member can be transported between the preheating unit 4 and the exchange unit 8. It is included in the present invention.
- the replacement part and the preheating part are separately provided.
- the present invention is not limited to this, and the replacement part and the preheating part can be configured integrally.
- the second embodiment will be described.
- FIGS. 19 to 22 show the configuration of the glass forming apparatus of the second embodiment
- FIG. 19 is a schematic perspective view
- FIG. 20 is a horizontal sectional view at the height of the conveying section
- FIG. 21 is a preheating / exchange section and a forming section
- FIG. 22 is a cross-sectional view taken along the line AA ′ in FIG.
- the glass forming apparatus according to the present embodiment includes a substantially cylindrical conveyance unit 2, a preheating / exchange unit 104 that constitutes a sub-processing unit provided above the conveyance unit 2, and a main process. And a forming part 6 constituting the part.
- the preheating / exchange unit 104 and the molding unit 6 are arranged along the circumference of a small circle C having a predetermined radius smaller than the outer diameter of the turntable 118 of the turntable 14.
- the preheating / exchange unit 104 and the molding unit 6 are provided substantially opposite to each other in the radial direction around the rotation axis of the turntable 14.
- the transport unit 2 is formed with a cylindrical space by the transport unit casing 2 ⁇ / b> A, and includes a turntable 14 and moving mechanisms 24 and 26 installed in the space. Openings 104 ⁇ / b> B and 6 ⁇ / b> B are respectively formed at locations on the upper surface of the transport unit casing 2 ⁇ / b> A that contact the preheating / exchange unit 104 and the molding unit 6. Through these openings 104B and 6B, the space in the transport unit 2 communicates with the space in the preheating / exchange unit 104 and the molding unit 6, respectively.
- the opening 6B formed between the transport unit 2 and the molding unit 6 has a larger diameter than the mold support members 10A and 10B.
- the opening 104B formed between the transport unit 2 and the preheating / exchange unit 104 has a smaller diameter than the mold support members 10A and 10B.
- a pair of circular openings 120 ⁇ / b> A and 120 ⁇ / b> B are provided in the turntable 118 of the turntable 14 of the present embodiment, with the rotary shaft 16 as the center and substantially opposite to each other in the radial direction.
- These openings 120 ⁇ / b> A and 120 ⁇ / b> B are formed so as to be located on the circumference of a small circle C around the rotation shaft 16.
- the preheating / exchanging unit 104 and the molding unit 6 are formed above the conveying unit 2 along the circumference of a small circle C passing through the centers of the openings 120A and 120B.
- preheating part moving mechanism 24 and the forming part moving mechanism 26 are provided directly below the preheating / exchange part 104 and the forming part 6, respectively.
- the preheating / exchange unit 104 is composed of a substantially cylindrical space defined by the exchange unit casing 104A, and includes a heater 29 provided therein.
- the replacement part casing 104A includes a base casing 34A that is integrated with the upper part of the transport part casing 2A, and an upper casing 34B that is disposed above the base casing 34A.
- An O-ring 36 is attached to the upper end surface of the base casing 34A.
- An O-ring 38 is also attached around the opening 4B corresponding to the preheating / exchanger 104 on the upper surface of the transport unit casing 2A.
- the molding unit 6 constitutes a main processing mechanism that press-molds the glass material in the mold unit.
- the preheating / exchange unit 104 constitutes a sub-processing unit for exchanging the mold unit for which press molding has been completed and a new mold unit, and heating the glass material arranged in the new mold unit.
- the forming part moving mechanism 26 constitutes a main moving mechanism
- the preheating part moving mechanism 24 constitutes a sub moving mechanism.
- FIG. 23 is a diagram showing a flow of processes performed on the pair of mold units 12A and 12B.
- a lens molding method using the lens molding apparatus 101 will be described with reference to FIG.
- the molding of the glass material in one mold 11A is completed, and one mold unit 12A is placed in the preheating / exchange unit 104 by the moving mechanism 24, and the other mold unit is disposed.
- the description starts from a state in which 12B is held in the molding unit 6 by the moving mechanism 28 and the heating step in the press step is started.
- an exchange step is performed on one mold unit 12A in this state. That is, the upper casing 34B of the preheating / exchanger 104 is moved upward, and the mold 11A that has been molded is removed from the one mold support member 10A. Then, the mold 11C in which a new glass material is disposed is attached to one mold support member 10A, and the upper casing 34B is disposed again on the base casing 34A.
- a preheating step is performed following the replacement step for one mold unit 12A. That is, the mold 11 ⁇ / b> C is heated by the heater 29 in the preheating / exchange unit 104.
- the forming unit 6 performs a pressing step including a heating process, a first pressurizing process, a cooling process, and a second pressurizing process.
- a first rotation step for moving one mold unit 12A from the preheating / exchange unit 104 to the molding unit 6 is performed, and at the same time, the other mold unit 12B is moved from the molding unit 6 to the preheating / exchange unit 104.
- a second rotation step is performed.
- one mold unit 12A is moved from the preheating section 4 to the top of the turntable 14 by the preheating section moving mechanism 24, and the other mold unit 12B is moved from the molding section 6 to the turntable 14 by the molding section moving mechanism 26. Move to the top.
- the turntable 14 is rotated 180 ° until one mold unit 12A is positioned below the molding unit 6 and the other mold unit 12B is positioned below the preheating / exchange unit 104.
- one mold unit 12A is moved from the turntable 14 into the molding unit 6 by the preheating part moving mechanism 24, and the other mold unit 12B is preheated from the turntable 14 by the molding part moving mechanism 26. Move into the exchange unit 104.
- the temperature of one mold unit 12A is equal to or higher than the temperature obtained by subtracting 50 ° C. from the glass transition temperature of the glass material (Tg ⁇ 50 ° C.), and glass It is desirable to carry out when the temperature is within the range of the transition temperature plus 10 ° C. (Tg + 10 ° C.).
- the second moving step is a temperature (Tg + 10 ° C.) which is equal to or higher than the temperature (Tg ⁇ 100 ° C.) which is reduced by 100 ° C. from the glass transition temperature of the glass material of the first mold unit 12A. ° C) It is desirable to carry out in the following range.
- a molding step is performed on one mold unit 12A, and at the same time, a cooling step, an exchange step, and a preheating step are performed on the other mold unit 12B.
- a formation step in order of a heating process, a 1st pressurization process, a cooling process, and a 2nd pressurization process similarly to 1st Embodiment.
- the cooling step may be performed in the same manner as in the first embodiment, and the replacement step and the preheating step may be performed in the same manner as performed for one mold unit 12A.
- the second rotation step is performed on one mold unit 12A, and at the same time, the first rotation step is performed on the other mold unit 12B.
- the second rotation step is performed on the other mold unit 12B and the first mold unit 12A is simultaneously loaded with the first rotation step. What is necessary is just to carry out similarly to having performed the rotation step.
- the glass molded body can be repeatedly produced in parallel by shifting the timing by the pair of mold units.
- the preheating part and the exchange part are integrated, and in parallel with the press molding (molding step) on one mold unit 12A of the pair of mold units.
- the replacement step and the preheating step can be performed on the other mold unit 12B, the productivity can be improved.
- the preheating unit 4, the molding unit 6, the replacement unit 8, and the preheating / exchange unit 104 are provided above the transport unit 2. It is also possible to provide it below the transport unit 2.
- a groove in the outer peripheral direction is provided on the turntable 18 of the turntable 14, As the moving mechanism, a device that can move along the groove while the mold unit 12A, 12B is held by extending the drive shaft through the groove can be used.
- the mold units 12A and 12B are held, and the advance and retreat from the center of the turntable 14 toward the preheating part 4, the molding part 6, the exchange part 8, and the preheat / exchange part 104. It is also possible to use a possible arm or the like.
- the mold 11A that has been press-molded is removed from the one mold support member 10A, and the mold 11C in which a new glass material is disposed is used as the one mold support member 10A.
- the present invention is not limited to this, and the mold 11A that has been press-molded is removed from the one mold support member 10A, a new glass material is placed inside the mold 11A, and the mold 11A is placed again. It may be attached to the mold support member 10A.
- the molds 11A, 11B, and 11C are attached to the mold support members 10A and 10B, and the mold support members 10A and 10B are moved by the moving mechanisms 24, 26, and 28 and the turntable 18.
- the mold units 12A and 12B may be directly moved by the moving mechanisms 24, 26, and 28 and the turntable 18 without attaching the mold support members 10A and 10B. That is, the mold units 12A and 12B only need to include at least the molds 11A, 11B, and 11C.
- the lens molding apparatus 1 for a glass molded body heats a glass material disposed in the mold units 12A and 12B, and press-molds the glass material to form the glass molded body.
- Is an apparatus for manufacturing a glass molded body and includes at least press molding of a conveying unit 2 having a turntable 14 that holds and rotates mold units 12A and 12B and glass materials in the mold units 12A and 12B.
- the lens molding device 1 is provided at a position adjacent to the conveyance unit 2, and the lens molding apparatus 1 is exchanged with a molding unit moving mechanism 26 that moves the mold units 12 ⁇ / b> A and 12 ⁇ / b> B between the molding unit 6 and the conveyance unit 2.
- An exchanging part moving mechanism 28 and a preheating part moving mechanism 24 for moving the mold units 12A and 12B between the part 8 and the preheating part 4 and the transport part 2 are further provided.
- the molding unit 6, the preheating unit 4, and the exchange unit 8 are small with a radius smaller than the radius of the turntable 14 around the rotation axis of the turntable 14.
- the molding unit moving mechanism 26 is a first drive for moving the mold units 12A and 12B in the vertical direction between the conveyance unit 2 and the molding unit 6.
- the preheating unit moving mechanism 24 has a second drive shaft that moves the mold units 12A and 12B in the vertical direction between the transport unit 2 and the preheating unit 4, and the replacement unit moving mechanism 28
- the mold unit 12A, 12B has a third drive shaft for moving the mold unit 12A, 12B in the vertical direction between the transport unit 2 and the exchange unit 8, and the turntable 14 has a plurality of openings 4B, 6B, 8B,
- the plurality of openings 4B, 6B, and 8B are arranged between at least the preheating unit 4 and the exchange unit 8 with the turntable 14 in a state where the first drive shaft is inserted into any one of the plurality of openings 4B, 6B, and 8B. Can be rotated by the angle width of It is shaped.
- the openings 4B, 6B, and 8B have an angular width that is equal to the angular width between the preheating unit 4 and the exchange unit 8 about the rotation axis of the turntable 14. It extends so as to extend in an arc along the circumference of the small circle C.
- the mold units 12A and 12B are formed of a mold (molding mold) 12 having a molding surface corresponding to the shape of the glass molded body, and a mold (molding mold). And a mold support member 11 for holding 12.
- the manufacturing method of the glass molded body of 1st Embodiment is a manufacturing method of the glass molded body using the lens molding apparatus 1 of a glass molded body, Comprising: The conveying unit 2 that houses the turntable 14 that can be rotated, the molding unit 6 that press-molds the glass material disposed in the mold units 12A and 12B, and the mold unit 12A in which the glass material is disposed. , 12B, and a preheating unit 4 for heating the glass material disposed in the mold units 12A, 12B, a molding unit 6, an exchange unit 8, and a preheating unit 4.
- the manufacturing method includes an exchange step for exchanging the mold units 12A and 12B by the exchange unit 8, and a preheating step for heating the glass material arranged in the mold units 12A and 12B by the preheating unit 4.
- the mold units 12A and 12B are moved from the preheating unit 4 to the conveying unit 2 by the preheating unit moving mechanism 24, rotated by the turntable 14 in the conveying unit 2, and moved from the conveying unit 2 by the molding unit moving mechanism 26.
- a sub-main moving step for moving to the molding unit 6, a molding step for press-molding a glass material by the molding unit 6, and the mold units 12A and 12B Main-sub movement in which the forming part moving mechanism 26 moves from the forming part 6 to the conveying part 2, rotates in the conveying part 2 by the turntable 14, and moves by the exchange part moving mechanism 28 from the conveying part 2 to the replacing part 8.
- at least a part of at least one of the replacement step and the preheating step is performed in parallel with the molding step for one mold unit 12A.
- the glass molding body lens molding apparatus 101 heats a glass material placed in the mold units 12A and 12B, and press-molds the glass material to form the glass molding body.
- Is an apparatus for manufacturing a glass molded body and includes at least press molding of a conveying unit 2 having a turntable 14 that holds and rotates mold units 12A and 12B and glass materials in the mold units 12A and 12B.
- a preheating / exchanging unit for exchanging the mold units 12A and 12B that have been press-molded with the new mold unit and heating the glass material disposed in the new mold units 12A and 12B.
- the lens molding apparatus 101 includes a molding unit moving mechanism 26 that moves the mold units 12 ⁇ / b> A and 12 ⁇ / b> B between the molding unit 6 and the conveyance unit 2, and a preheating / exchange unit 104. And a preheating unit moving mechanism 24 for moving the mold units 12A and 12B to and from the transfer unit 2.
- the manufacturing method of the glass molded body of 2nd Embodiment is a manufacturing method of the glass molded body using the lens molding apparatus 101 of a glass molded body, as shown in FIG. 19, FIG. Conveying unit 2 that houses a turntable 14 that can be rotated, a molding unit 6 that press-molds a glass material disposed in the mold units 12A and 12B, and a mold unit 12A that has a glass material disposed therein.
- a preheating / exchanging unit 104 for exchanging 12B and heating the glass material disposed in the mold units 12A, 12B, and the forming unit 6 and the preheating / exchanging unit 104 are respectively rotated by the turntable 14 It is provided adjacent to the transport unit 2 at a position spaced in the circumferential direction around the axis, and further moves the mold units 12A and 12B between the molding unit 6 and the transport unit 2.
- the shape part moving mechanism 26 and the preheating part moving mechanism 24 for moving the mold units 12A and 12B between the preheating / exchanging part 104 and the conveying part 2 are provided.
- the exchange step for exchanging the mold units 12A and 12B the preheating step for heating the glass material disposed in the mold units 12A and 12B by the preheating / exchange unit 104, and the mold units 12A and 12B
- the preheating / moving unit 104 moves from the preheating / exchange unit 104 to the conveying unit 2, the rotating unit 14 rotates in the conveying unit 2, and the forming unit moving mechanism 26 moves the conveying unit 2 to the forming unit 6.
Abstract
Description
本発明のガラス成形体の製造装置によれば、サブ処理部において、金型ユニットの交換及びガラス材料の加熱を行うことができるため、複数の金型ユニットを用いてガラス成形体の製造を行う場合に、メイン処理部に一の金型ユニットが配置された場合であっても、これと並行して、サブ処理部において他の金型ユニットに交換及びガラス材料の加熱を連続して行うことができる。これにより、ガラス成形体の生産性を向上することができる。
図1~図5は第1実施形態のレンズ成形装置の構成を示し、図1は斜視概略図、図2は搬送部の高さにおける水平断面図、図3は予熱部、成形部、及び交換室の高さにおける水平断面図、図4は図3におけるA-A´断面図、図5は図3におけるB-B´断面図である。なお、図1では、説明のため、搬送部については破線で示している。また、図6は本実施形態のレンズ成形装置で用いられる金型ユニット12の構成を示す鉛直断面図である。
本実施形態のレンズ成形装置1では、二つのガラス材料の成形作業を、タイミングをずらして並行して行う。
次に、一方の金型ユニット12Aに、予熱・交換部104から成形部6へ移動させる第1の回転ステップを行うとともに、同時に他方の金型ユニット12Bに、成形部6から予熱・交換部104へ移動させる第2の回転ステップを行う。
第1実施形態のガラス成形体のレンズ成形装置1は、図1に示すように、金型ユニット12A、12B内に配置されたガラス材料を加熱し、ガラス材料をプレス成形することによりガラス成形体を製造するガラス成形体の製造装置であって、金型ユニット12A、12Bを保持して回動するターンテーブル14を有する搬送部2と、金型ユニット12A、12B内のガラス材料を少なくともプレス成形する成形部6と、プレス成形が完了した金型ユニットと新たな金型ユニット12A、12Bの交換を行う交換部8、及び、新たな金型ユニット12A、12B内に配置されたガラス材料の加熱を含む処理を行う予熱部4と、を備え、成形部6と、交換部8と、予熱部4とは、それぞれターンテーブル14の回転軸を中心として周方向に離間した位置に、搬送部2と互いに隣接して設けられており、レンズ成形装置1は、成形部6と搬送部2との間で金型ユニット12A、12Bを移動させる成形部移動機構26と、交換部8及び予熱部4と搬送部2との間で金型ユニット12A、12Bを移動させる交換部移動機構28及び予熱部移動機構24と、をさらに備える。
好ましくは、このガラス成形体のレンズ成形装置1において、成形部6と、予熱部4及び交換部8は、ターンテーブル14の回転軸を中心とし、ターンテーブル14の半径よりも小さい半径を有する小円の円周に沿って、搬送部2の上方に配列されている。
さらに、好ましくは、このガラス成形体のレンズ成形装置1において、成形部移動機構26は、金型ユニット12A、12Bを搬送部2と成形部6との間を上下方向に移動させる第1の駆動軸を有し、予熱部移動機構24は、金型ユニット12A、12Bを搬送部2と予熱部4との間を上下方向に移動させる第2の駆動軸を有し、交換部移動機構28は、金型ユニット12A、12Bを搬送部2と交換部8との間を上下方向に移動させる第3の駆動軸を有し、ターンテーブル14には複数の開口4B、6B、8Bが形成され、複数の開口4B、6B、8Bは、複数の開口4B、6B、8Bのいずれか一つに第1の駆動軸が挿通した状態で、ターンテーブル14を少なくとも予熱部4と交換部8との間の角度幅だけ回転させることができるような形状に形成されている。
さらに、好ましくは、このガラス成形体のレンズ成形装置1において、開口4B、6B、8Bは、ターンテーブル14の回転軸を中心として、予熱部4と交換部8の間の角度幅と等しい角度幅にわたって小円Cの円周に沿って円弧状に延びるように形成されている。
また、好ましくは、このガラス成形体のレンズ成形装置1において、金型ユニット12A、12Bは、ガラス成形体の形状に対応する成形面を有する金型(成形型)12と、金型(成形型)12を保持する型支持部材11とを含む。
2 搬送部
4 予熱部
6 成形部
8 交換部
10A、10B 型支持部材
11A、11B、11C 金型
12A、12B 金型ユニット
13A 上型
13B 下型
13C 胴型
14 ターンテーブル
15 ガラス材料
16 回転軸
18 回転盤
20A、20B 長孔
24、26、28 移動機構
24B、26B、28B 駆動軸
29、32 ヒーター
30 プレスマシン
Claims (13)
- 金型ユニット内に配置されたガラス材料を加熱し、前記ガラス材料をプレス成形することによりガラス成形体を製造するガラス成形体の製造装置であって、
前記金型ユニットを保持して回動するターンテーブルを含む搬送部と、
前記金型ユニット内の前記ガラス材料を少なくともプレス成形するメイン処理部と、
プレス成形が完了した金型ユニットと新たな金型ユニットの交換、又は、前記金型ユニットから成形されたガラス成形体とガラス材料との交換、及び、新たな金型ユニット内に配置されたガラス材料の加熱を含む、前記メイン処理部とは異なる処理を行うサブ処理部と、を備え、
前記メイン処理部とサブ処理部は、それぞれ前記ターンテーブルの回転軸を中心として周方向に離間した位置に、前記搬送部と互いに隣接して設けられており、
前記製造装置は、
前記メイン処理部と前記搬送部との間で前記金型ユニットを移動させるメイン移動機構と、
前記サブ処理部と前記搬送部との間で前記金型ユニットを移動させるサブ移動機構と、をさらに備える、ガラス成形体の製造装置。 - 前記メイン処理部は、前記金型ユニット内の前記ガラス材料を少なくともプレス成形する成形部を含み、
前記サブ処理部は、
前記金型ユニット内に配置されたガラス材料の加熱を行う予熱部と、
プレス成形が完了した金型ユニットと新たな金型ユニットの交換、又は、前記金型ユニットから成形されたガラス成形体とガラス材料との交換を行う交換部と、を含み、
前記メイン移動機構は、前記メイン処理部と前記搬送部との間で前記金型ユニットを移動させる成形部移動機構を含み、
前記サブ移動機構は、前記予熱部と前記搬送部との間で前記金型ユニットを移動させる予熱部移動機構と、
前記交換部と前記搬送部との間で前記金型ユニットを移動させる交換部移動機構と、を含み、
前記成形部移動機構が前記金型ユニットを前記メイン処理部内に配置している状態で、前記ターンテーブルは、前記成形部移動機構と独立して回動可能である、
請求項1に記載のガラス成形体の製造装置。 - 前記成形部と、前記予熱部及び交換部は、前記ターンテーブルの回転軸を中心とし、前記ターンテーブルの半径よりも小さい半径を有する小円の円周に沿って、前記搬送部の上方に配列されている、請求項2に記載のガラス成形体の製造装置。
- 前記成形部移動機構は、前記金型ユニットを前記搬送部と前記成形部との間を上下方向に移動させる第1の駆動軸を有し、
前記予熱部移動機構は、前記金型ユニットを前記搬送部と前記予熱部との間を上下方向に移動させる第2の駆動軸を有し、
前記交換部移動機構は、前記金型ユニットを前記搬送部と前記交換部との間を上下方向に移動させる第3の駆動軸を有し、
前記ターンテーブルには複数の開口が形成され、
前記複数の開口は、前記複数の開口のいずれか一つに前記第1の駆動軸が挿通した状態で、前記ターンテーブルを少なくとも前記予熱部と前記交換部との間の角度幅だけ回転させることができるような形状に形成されている、請求項3に記載のガラス成形装置。 - 前記開口は、前記ターンテーブルの回転軸を中心として、前記予熱部と前記交換部の間の角度幅と等しい角度幅にわたって前記小円の円周に沿って円弧状に延びるように形成されている、請求項4に記載のガラス成形装置。
- 前記メイン処理部は、前記金型ユニット内に配置されたガラス材料を加熱軟化させる加熱部と、前記金型ユニットを押圧して前記ガラス材料をプレス成形するプレス部とを含む請求項1乃至5のいずれか1項にガラス成形体の製造装置。
- 前記金型ユニットは、前記ガラス成形体の形状に対応する成形面を有する成形型と、前記成形型を保持する型支持部材とを有する、請求項1乃至6に記載のガラス成形体の製造装置。
- ガラス成形体の製造装置を用いたガラス成形体の製造方法であって、
前記製造装置は、
回動可能なターンテーブルを収容する搬送部と、
前記金型ユニット内に配置されたガラス材料をプレス成形するメイン処理部と、
プレス成形が完了した金型ユニットと新たな金型ユニットの交換、又は、前記金型ユニットから成形されたガラス成形体とガラス材料との交換、及び、金型ユニット内に配置されたガラス材料の加熱を含む前記メイン処理部とは異なる処理を行うサブ処理部と、を備え、
前記メイン処理部、及び前記サブ処理部は、それぞれ前記ターンテーブルの回転軸を中心として周方向に離間した位置に、前記搬送部と隣接して設けられており、
さらに、前記メイン処理部と前記搬送部との間で前記金型ユニットを移動させるメイン移動機構と、
前記サブ処理部と前記搬送部との間で前記金型ユニットを移動させるサブ移動機構と、を備えており、
前記製造方法は、
前記サブ処理部により、前記プレス成形が完了した金型ユニットと新たな金型ユニットの交換、又は、前記金型ユニットから成形されたガラス成形体とガラス材料との交換を行う交換ステップと、
前記サブ処理部により、前記金型ユニット内に配置されたガラス材料を加熱する予熱ステップと、
前記金型ユニットを、前記サブ移動機構により前記サブ処理部から前記搬送部へ移動させ、前記搬送部内において前記ターンテーブルにより回転移動させ、前記メイン移動機構により前記搬送部から前記メイン処理部へ移動させるサブ-メイン移動ステップと、
前記メイン処理部により、前記ガラス材料をプレス成形する成形ステップと、
前記金型ユニットを前記メイン移動機構により前記メイン処理部から前記搬送部へ移動させ、前記搬送部内において前記ターンテーブルにより回転移動させ、前記サブ移動機構により前記搬送部から前記サブ処理部へ移動させるメイン-サブ移動ステップと、を備え、
一の金型ユニットに、前記成形ステップを行っている間に、これと並行して、他の金型ユニットに、少なくとも、前記交換ステップ及び前記予熱ステップのいずれか一方の一部を行う、
ガラス成形体の製造方法。 - 前記メイン処理部は、前記金型ユニット内の前記ガラス材料を少なくともプレス成形する成形部を含み、
前記サブ処理部は、
前記金型ユニット内に配置されたガラス材料の加熱を行う予熱部と、
プレス成形が完了した金型ユニットと新たな金型ユニットの交換、又は、前記金型ユニットから成形されたガラス成形体とガラス材料との交換を行う交換部と、を含み、
前記メイン移動機構は、前記メイン処理部と前記搬送部との間で前記金型ユニットを移動させる成形部移動機構を含み、
前記サブ移動機構は、前記予熱部と前記搬送部との間で前記金型ユニットを移動させる予熱部移動機構と、
前記交換部と前記搬送部との間で前記金型ユニットを移動させる交換部移動機構と、を含み、
前記交換ステップは、前記交換部により行い、
前記予熱ステップは、前記予熱部により行い、
前記サブ-メイン移動ステップでは、前記金型ユニットを、前記予熱部移動機構により前記予熱部から前記搬送部へ移動させ、前記搬送部内において前記ターンテーブルにより回転移動させ、前記成形部移動機構により前記搬送部から前記成形部へ移動させ、
前記メイン-サブ移動ステップでは、前記金型ユニットを、前記成形部移動機構により前記成形部から前記搬送部へ移動させ、前記搬送部内において前記ターンテーブルにより回転移動させ、前記交換部移動機構により前記搬送部から前記交換部へ移動させ、
さらに、前記交換ステップと前記予熱ステップの間に、前記金型ユニットを前記交換部移動機構により前記交換部から前記搬送部へ移動させ、前記搬送部内において前記ターンテーブルにより回転移動させ、前記予熱部移動機構により前記搬送部から前記予熱部へ移動させるサブ-サブ移動ステップを備える、
請求項8に記載されたガラス成形体の製造方法。 - 前記一の金型ユニットに、前記成形ステップを行う間に、これと並行して、少なくとも前記交換ステップと、前記サブ-サブ移動ステップと、前記予熱ステップと、を行う、請求項9に記載のガラス成形体の製造方法。
- 前記一の金型ユニットに前記サブ-メイン移動ステップを行う間に、他のガラス材料に前記メイン-サブ移動ステップを並行して行う、請求項9又は10に記載のガラス成形体の製造方法。
- 前記金型ユニットの温度が、前記ガラス材料のガラス転移温度から50℃減じた温度以上、かつ、前記ガラス転移温度に10℃加えた温度以下の範囲のときに、前記サブ-メイン移動ステップを行なう、請求項8乃至11の何れか1項に記載のガラス成形体の製造方法。
- 前記金型ユニットの温度が、前記ガラス材料のガラス転移温度から100℃減じた温度以上、かつ、前記ガラス転移温度に10℃加えた温度以下の範囲のときに、前記メイン-サブ移動ステップを行なう、請求項8乃至12の何れか1項に記載のガラス成形体の製造方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020147032724A KR102136902B1 (ko) | 2012-09-10 | 2013-09-10 | 유리 성형체의 제조 장치 및 유리 성형체의 제조 방법 |
US14/427,165 US20150232364A1 (en) | 2012-09-10 | 2013-09-10 | Apparatus for manufacturing a glass molding and method for manufacturing a glass molding |
CN201380026003.6A CN104507881B (zh) | 2012-09-10 | 2013-09-10 | 玻璃成型体的制造装置以及玻璃成型体的制造方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012-198257 | 2012-09-10 | ||
JP2012198257A JP5904493B2 (ja) | 2012-09-10 | 2012-09-10 | ガラス成形装置及びガラス成形方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014038709A1 true WO2014038709A1 (ja) | 2014-03-13 |
Family
ID=50237312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2013/074369 WO2014038709A1 (ja) | 2012-09-10 | 2013-09-10 | ガラス成形体の製造装置及びガラス成形体の製造方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20150232364A1 (ja) |
JP (1) | JP5904493B2 (ja) |
KR (1) | KR102136902B1 (ja) |
CN (1) | CN104507881B (ja) |
TW (1) | TWI603924B (ja) |
WO (1) | WO2014038709A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6081225B2 (ja) * | 2013-02-27 | 2017-02-15 | Hoya株式会社 | ガラス成形体の製造装置、及びガラス成形体の製造方法 |
DE102014005279A1 (de) * | 2014-04-09 | 2014-12-11 | Zwiesel Kristallglas Ag | Vorrichtung zum Pressen und Ablegen von Glasvorformlingen |
JP2017075060A (ja) * | 2015-10-13 | 2017-04-20 | オリンパス株式会社 | 光学素子製造装置の制御方法、光学素子の製造方法及び光学素子製造装置 |
JP6726464B2 (ja) * | 2015-12-28 | 2020-07-22 | Hoya株式会社 | 光学素子の製造方法及び光学素子の製造装置 |
CN107739145B (zh) * | 2017-10-13 | 2023-07-04 | 成都光明光电股份有限公司 | 玻璃压型装置及玻璃压型方法 |
JP7089422B2 (ja) * | 2018-07-04 | 2022-06-22 | Hoya株式会社 | レンズ成形装置及びフィルタ装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001270723A (ja) * | 2000-03-28 | 2001-10-02 | Toyo Glass Co Ltd | ガラスプレス成形機のインデックステーブル駆動機構及びその制御方法 |
JP2007008769A (ja) * | 2005-06-30 | 2007-01-18 | Asahi Glass Co Ltd | 光学素子の製造装置 |
JP2007210845A (ja) * | 2006-02-10 | 2007-08-23 | Ac Dc Kk | レンズ成形装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3895931A (en) * | 1972-10-05 | 1975-07-22 | Lynch Corp | Continuous motion glass molding machine with gob delivery means |
JPS60118639A (ja) * | 1983-11-29 | 1985-06-26 | Hoya Corp | プレスレンズの製造方法 |
JPS63170225A (ja) | 1987-01-08 | 1988-07-14 | Toshiba Mach Co Ltd | ガラスレンズのプレス成形装置 |
JPH0729779B2 (ja) * | 1987-09-30 | 1995-04-05 | ホーヤ株式会社 | ガラス成形体の製造装置 |
US4964903A (en) * | 1989-03-08 | 1990-10-23 | Corning Incorporated | Apparatus for molding glass molds |
JP2738582B2 (ja) * | 1990-02-28 | 1998-04-08 | ホーヤ株式会社 | ガラス成形体の製造方法 |
-
2012
- 2012-09-10 JP JP2012198257A patent/JP5904493B2/ja active Active
-
2013
- 2013-09-09 TW TW102132368A patent/TWI603924B/zh not_active IP Right Cessation
- 2013-09-10 CN CN201380026003.6A patent/CN104507881B/zh active Active
- 2013-09-10 KR KR1020147032724A patent/KR102136902B1/ko active IP Right Grant
- 2013-09-10 WO PCT/JP2013/074369 patent/WO2014038709A1/ja active Application Filing
- 2013-09-10 US US14/427,165 patent/US20150232364A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001270723A (ja) * | 2000-03-28 | 2001-10-02 | Toyo Glass Co Ltd | ガラスプレス成形機のインデックステーブル駆動機構及びその制御方法 |
JP2007008769A (ja) * | 2005-06-30 | 2007-01-18 | Asahi Glass Co Ltd | 光学素子の製造装置 |
JP2007210845A (ja) * | 2006-02-10 | 2007-08-23 | Ac Dc Kk | レンズ成形装置 |
Also Published As
Publication number | Publication date |
---|---|
KR20150055601A (ko) | 2015-05-21 |
CN104507881A (zh) | 2015-04-08 |
CN104507881B (zh) | 2017-04-12 |
JP2014051420A (ja) | 2014-03-20 |
KR102136902B1 (ko) | 2020-07-22 |
TWI603924B (zh) | 2017-11-01 |
TW201410619A (zh) | 2014-03-16 |
JP5904493B2 (ja) | 2016-04-13 |
US20150232364A1 (en) | 2015-08-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2014038709A1 (ja) | ガラス成形体の製造装置及びガラス成形体の製造方法 | |
JP6196799B2 (ja) | ガラス成形体の製造装置、及びガラス成形体の製造方法 | |
JP2007055824A (ja) | モールドプレス成形装置、および成形品の製造方法 | |
JP5021205B2 (ja) | モールドプレス成形型及び光学素子の製造方法 | |
JP5021196B2 (ja) | モールドプレス成形型、光学素子の製造方法、及び凹メニスカスレンズ | |
WO2014129592A1 (ja) | ガラス成形体の製造方法、及びガラス成形体の製造装置 | |
WO2014181868A1 (ja) | ガラス成形体の製造装置、及び、ガラス成形体の製造方法 | |
JP6081225B2 (ja) | ガラス成形体の製造装置、及びガラス成形体の製造方法 | |
JP6114057B2 (ja) | ガラス成形体の製造方法、及びガラス成形体の製造装置 | |
JP6726464B2 (ja) | 光学素子の製造方法及び光学素子の製造装置 | |
JP2003104741A (ja) | 光学素子のプレス成形装置及び光学素子の製造方法 | |
JP4695404B2 (ja) | 成形型の組立装置及び光学素子の製造方法 | |
JP5784151B2 (ja) | ガラス成形体の製造方法およびガラス成形体の製造装置 | |
WO2015146399A1 (ja) | ガラス成形体の製造装置及びガラス成形体の製造方法 | |
JP6147571B2 (ja) | ガラス成形体の製造装置及びガラス成形体の製造方法 | |
JP4792141B2 (ja) | モールドプレス成形型及び光学素子の製造方法 | |
JP2012012235A (ja) | 光学素子の成形装置及び成形方法 | |
JP6621612B2 (ja) | ガラス成形体の製造方法、及び、ガラス成形体の製造装置 | |
JPS63260830A (ja) | ガラスレンズの製造装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 13835449 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 20147032724 Country of ref document: KR Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 14427165 Country of ref document: US |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 13835449 Country of ref document: EP Kind code of ref document: A1 |