WO2019003828A1 - ガラスびん製造用粗型への離型潤滑剤塗布装置、ガラスびん製造用粗型への離型潤滑剤塗布方法、ガラスびん製造装置、および、ガラスびん製造方法 - Google Patents
ガラスびん製造用粗型への離型潤滑剤塗布装置、ガラスびん製造用粗型への離型潤滑剤塗布方法、ガラスびん製造装置、および、ガラスびん製造方法 Download PDFInfo
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- WO2019003828A1 WO2019003828A1 PCT/JP2018/021620 JP2018021620W WO2019003828A1 WO 2019003828 A1 WO2019003828 A1 WO 2019003828A1 JP 2018021620 W JP2018021620 W JP 2018021620W WO 2019003828 A1 WO2019003828 A1 WO 2019003828A1
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- WIPO (PCT)
- Prior art keywords
- mold
- release lubricant
- rough
- region
- glass bottle
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B40/00—Preventing adhesion between glass and glass or between glass and the means used to shape it, hold it or support it
- C03B40/02—Preventing adhesion between glass and glass or between glass and the means used to shape it, hold it or support it by lubrication; Use of materials as release or lubricating compositions
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B9/00—Blowing glass; Production of hollow glass articles
- C03B9/30—Details of blowing glass; Use of materials for the moulds
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B9/00—Blowing glass; Production of hollow glass articles
- C03B9/30—Details of blowing glass; Use of materials for the moulds
- C03B9/34—Glass-blowing moulds not otherwise provided for
- C03B9/347—Construction of the blank or blow mould
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- 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 an apparatus for applying a release lubricant to a rough mold for producing glass bottles, a method for applying a release lubricant to a rough mold for producing glass bottles, an apparatus for producing glass bottles, and a process for producing glass bottles.
- a glass bottle is usually filled with a gob (high-temperature molten glass gob) in a mold, and the parison formed by expanding or pressing the gob with compressed air is further expanded with compressed air for final forming Be done.
- a mold release lubricant is applied to the mold (see, for example, Patent Document 1).
- This mold release lubricant is applied to the inner surface of the mold for the purpose of facilitating the release of the parison from the mold (retaining of the mold releasability) and for the purpose of securing the slidability between the mold and the gob.
- the release lubricant needs to be applied to the inner surface of the mold periodically, for example, every several tens of minutes in order to prevent the decrease in the release property and the slip property.
- the hollow glass product forming mold described in Patent Document 1 has two mold parts. And a configuration in which the movable spray tube forms a uniform oil film on the entire inner surface defining the mold cavity while the two mold parts are in the closed position mutually closed. .
- the release lubricant when the release lubricant is applied to the entire inner surface defining the cavity, for example, the thickness of the bottom of the glass bottle is likely to change due to the reduction in the adhesion between the mold and the parison.
- a mold release lubricant application apparatus to a rough mold for manufacturing glass bottles capable of securing a glass bottle having a smaller change in thickness
- a mold release lubricant application to a rough mold for manufacturing glass bottles It is an object of the present invention to provide a method, a glass bottle manufacturing apparatus, and a glass bottle manufacturing method.
- the inventor of the present application has obtained the idea that applying the release lubricant to the entire inner surface of the rough mold for glass bottle production is not necessarily optimal for molding of the glass bottle as a result of intensive research, and the present invention It came to complete.
- the mold release lubricant application device to a rough mold for manufacturing glass bottles has a first area set on the mouth side of the rough inner surface. And with respect to a second region set at a position farther from the mouth mold than the first region, the film thickness of the release lubricant film of the first region is the film thickness of the release lubricant film of the second region (zero Is configured to apply the release lubricant to be larger than
- the first region set on the mouth mold side is a region that strikes while rubbing the gob, for example, at the time of filling the gob on the inner surface of the rough die, and the slipperiness is required. Is essential.
- the second region is set at a location farther from the mouth mold than the first region, it does not contact the gob at the time of gob filling. For this reason, in the second region, it is scarcely necessary to apply a release lubricant in order to secure the slidability with the gob.
- the film thickness of the release lubricant in the second region to be smaller than the film thickness of the release lubricant in the first region as in this configuration, it is possible to reduce the change in thickness of the bottle bottom.
- the second region may include a bottle bottom side forming portion in the rough mold, and the bottle bottom side forming portion may be configured not to apply the release lubricant.
- the said bottle bottom side formation part means the baffle side part in the inner surface of a rough mold.
- the boundary between the first region and the second region is set to a position from 30% to 80% of the total length of the rough inner surface from one end of the rough inner surface on the mouth side. Is preferred.
- the application device is configured to apply the release lubricant to the blow molding rough mold as the rough mold, and the first region is a set blow in the blow molding rough mold. It is preferable to include an area extending from the position corresponding to the line to the side of the mouth mold.
- the release lubricant when the compressed air presses the gob to the mouth side in the set blow process, the release lubricant can be reliably supplied to the portion of the rough inner surface where the gob is rubbed.
- the film thickness of the mold release lubricant at a portion where the gob of the rough inner surface is unlikely to be rubbed in the set blow process can be made smaller than the film thickness of zero or the first region. This makes it possible to reduce the change in wall thickness at the bottom of the bottle.
- the coating apparatus is configured to apply the release lubricant to the press forming rough mold as the rough mold, and a gob of the press forming rough mold is the rough mold for press forming It is preferable that an area where the gobs rub while being filled is set as the first area.
- the said coating device is further provided with the application part which apply
- control unit can control the actual release lubricant film thickness by controlling the application unit.
- the application unit is configured to be displaced by the displacement mechanism with respect to the rough mold, and the control unit controls the operation of the displacement mechanism and the supply of the release lubricant from the application unit.
- the control unit is included.
- the control unit can supply the release lubricant from the application unit toward the rough mold while changing the position of the application unit. Thereby, the actual release lubricant film thickness in each part of the rough inner surface can be controlled.
- the application part is a part of the release lubricant at a position on one side of the boundary between the first area and the second area and one end of the rough inner surface on the port side.
- the control unit is preferably controlled by the control unit to start spraying and spray the release lubricant while displacing towards the other side.
- the application section sprays the release lubricant from the boundary between the first area and the second area to one end of the rough mold inner surface on the rough mold inner surface, and then releases the mold to the mold
- the spraying of the release lubricant may be stopped without spraying the lubricant.
- the application section sprays the release lubricant from the boundary between the first area and the second area to the end on the mouth mold side of the rough mold inner surface, and then sprays the release lubricant.
- the upper surface of the mouth mold is sprayed as the rough pair of split molds are opened, and further the air enters the space in the mouth mold and the inner face of the mouth mold is sprayed. It may be done.
- the release lubricant can be applied to the rough mold and the mouth mold while the spray state of the release lubricant from the application portion is stable.
- the application section sprays the release lubricant after spraying the release lubricant from the boundary between the first area and the second area to one end of the rough mold inner surface on the mouth mold side. It is configured to stop once and then enter the space in the mouth mold as the rough pair of split molds are opened, and spray the upper surface of the mouth mold following the inner surface of the mouth mold. It may be
- the application portion can apply the release lubricant to a wide range of the upper surface of the mouth mold.
- the slidability (easiness of sliding) between the rough mold and the mouth mold can be further improved.
- the method for applying a mold release lubricant to a rough mold for producing glass bottles comprises: And with respect to a second region set at a position farther from the mouth mold than the first region, the film thickness of the release lubricant film of the first region is the film thickness of the release lubricant film of the second region (zero Apply release lubricant to be larger than
- the glass bottle manufacturing apparatus concerning one aspect of this invention is equipped with the mold release lubricant application apparatus to the above-mentioned rough type
- the glass bottle manufacturing method is characterized by the first region set on the mouth side of the rough inner surface and the first region
- the release lubricant film thickness of the first region is larger than the release lubricant film thickness (including zero) of the second region with respect to the second region set at a location far from the mouth mold Applying a mold release lubricant to the mold mold, and forming a parison using the rough mold.
- the first region set on the mouth mold side is a region that strikes while rubbing the gob, for example, at the time of gob filling on the inner surface of the rough mold. It is essential that a release lubricant be applied.
- the second region is set at a location farther from the mouth mold than the first region, it does not contact the gob at the time of gob filling. For this reason, in the second region, it is scarcely necessary to apply a release lubricant in order to secure the slidability with the gob.
- the film thickness of the release lubricant in the second region to be smaller than the film thickness of the release lubricant in the first region as in this configuration, it is possible to reduce the change in thickness of the bottle bottom.
- the present invention it is possible to reduce the thickness change of the bottle bottom due to the application of the release lubricant. As a result, by preventing the thickness of the glass bottle from becoming an out-of-spec value, the number of discarded by the release lubricant application can be reduced, which contributes to the improvement of production efficiency. Moreover, the usage-amount of a mold release lubricant can be suppressed by dividing an application area
- (A) and (B) are the figures for demonstrating the pattern A in case (2) a coating device apply
- (A) and (B) are the figures for demonstrating the pattern B in case (2) a coating device apply
- (A) to (C) are diagrams for explaining (2) a pattern C in the case where a release lubricant is applied to the rough inner surface and the inner surface and upper surface of the mouth mold by the coating device.
- FIGS. 1 to (C) are diagrams for explaining (2) a pattern D in the case where a release lubricant is applied to the rough inner surface and the inner surface and upper surface of the mouth mold by the coating device.
- FIG. 1 is the schematic of the glass bottle manufacturing apparatus concerning 2nd Embodiment of this invention. It is a schematic diagram which shows a coating device and a rough mold.
- FIG. 1 is a schematic view of a glass bottle manufacturing apparatus 1 according to a first embodiment of the present invention.
- FIG. 2 is a schematic view showing the coating device 5 and the rough mold 10 of the glass bottle manufacturing apparatus 1.
- glass bottle manufacturing apparatus 1 (hereinafter also referred to as manufacturing apparatus 1) manufactures parison 102 as a manufacturing intermediate of glass bottle 103 by a blow & blow process.
- the manufacturing apparatus 1 has a rough mold portion 2 and a coating device 5.
- the rough mold portion 2 is used to mold the parison 102.
- Gobs 101 molten glass gobs
- Gobs 101 are supplied (filled) to the rough mold portion 2, and the rough mold portion 2 shapes the gobs 101 into a parison 102.
- the rough mold portion 2 has a rough mold 10, a mouth mold 11, a funnel 12, a baffle 13, a thimble 21, and a plunger 22.
- a coating layer is formed on the inner surface of the rough mold 10 as a region for forming the gob 101 into the parison 102 by a carbon coating or the like. Then, a release lubricant is periodically applied to the inner surface.
- the rough mold 10 is used to mold a portion of the glass bottle 103 excluding the mouth 101a.
- the inner surface of the rough mold 10 forms a cavity 17 for the gob 101 to be filled.
- the surface forming the cavity 17 is referred to as the inner surface of the rough mold 10.
- the rough mold 10 has a pair of split molds 10a and 10b facing each other in the direction orthogonal to the longitudinal direction L1.
- a cavity 17 is formed by combining these split molds 10a and 10b with each other.
- the cavity 17 is formed in a tapered shape that widens as it goes away from the mouth mold 11.
- the cavity 17 may be cylindrical.
- the upper end (baffle 13 side part) of the rough mold 10 contains the bottle bottom side formation part 10c.
- the lower end 10d of the rough mold 10 is formed in an upwardly recessed shape, and the mouth mold 11 is disposed in this recessed portion.
- the mouth mold 11 is used to form the mouth portion 101 a of the glass bottle 103.
- the mouth mold 11 is fitted to the lower end 10 d of the rough mold 10.
- the upper surface 11 c of the mouth mold 11 faces the lower surface of the lower end 10 d of the rough mold 10.
- the thimble 21 and the plunger 22 close the mouth mold 11.
- the mouth mold 11 has a pair of split molds 11a and 11b facing each other in the direction orthogonal to the longitudinal direction L1, and these split molds 11a and 11b are combined with each other.
- the inner surface of the mouth mold 11 is formed with a spiral groove or an uneven portion.
- split molds 10a and 10b are appropriately switched between an open state separated from each other and a closed state closed to each other by an open / close mechanism (not shown).
- the split molds 11a and 11b are appropriately switched between an open state separated from each other and a closed state closed to each other by an open / close mechanism (not shown).
- the funnel 12 is cylindrical and assists the gob 101 to enter into the cavity 17. Further, the funnel 12 cooperates with the baffle 13 in the set blow process to close the upper end of the rough mold 10. After the closing operation, compressed air is jetted toward the gob 101 in the cavity 17 through the vent of the baffle 13.
- the plunger 22 is configured to be capable of blowing compressed air supplied from a compressor (not shown) toward the gob 101 in the cavity 17.
- the plunger 22 is guided by the cylindrical thimble 21 and is movable in the vertical direction (longitudinal direction L1 of the rough mold 10).
- the main points of the rough molding process (parison molding) by the manufacturing apparatus 1 having the above configuration will be described below.
- the rough molding process (parison molding) first, as shown in FIG. 3A, the gob 101 is filled in the cavity 17 of the rough mold 10 in a state in which the funnel 12 is attached. At this time, the plunger 22 ascends, and the tip of the plunger 22 receives the gob 101. Thereafter, as shown in FIG. 3B, the baffles 13 are attached to the funnel 12.
- the plunger 22 descends, and compressed air flows from the lower portion of the plunger 22 into the inside of the plunger 22.
- the compressed air is blown into the interior of the gob 101 as indicated by the arrows. That is, a counter blow process is performed.
- the gob 101 is pressed against the entire inner surface of the rough mold 10, and a cavity is formed inside the gob 101.
- the parison 102 is formed by such a process.
- the parison 102 becomes a glass bottle 103 through a finishing process not shown.
- the coating device 5 is used to apply the release lubricant.
- a mineral oil containing graphite particles as a solid lubricant can be exemplified as a release lubricant to be applied by the coating device 5.
- the coating device 5 is configured to apply a release lubricant to the inner surface (the inner surface forming the cavity 17) of the rough mold 11 which is a rough mold for blow molding.
- the coating device 5 includes a control unit (control unit) 31, a displacement mechanism 32, a release lubricant supply mechanism (not shown), and a nozzle 34.
- the control unit 31 is configured to output a predetermined output signal based on a predetermined input signal, and can be formed using, for example, a programmable controller (PLC) or the like.
- the control unit 31 may be formed using a computer including a central processing unit (CPU), a random access memory (RAM), and a read only memory (ROM). Further, the control unit 31 may cause the nozzle 34 to be displaced while spraying the release lubricant onto the nozzle 34 by mechanical work, which does not include an electric circuit.
- the control unit 31 is configured to control the operation of the displacement mechanism 32 (the nozzle 34) and the supply amount (spray amount) of the release lubricant from the spray port 38 described later of the nozzle 34.
- the control of the spray amount to each area of the inner surface of the rough mold 10 is the control of the spray amount itself (fluid pressure) from the nozzle 34, the control of the rise and fall speed of the nozzle 34 in the state where the spray amount is fixed,
- the control can be performed by controlling the spray timing of the release lubricant from the nozzle 34.
- the desired application is possible even by on-off control of the release lubricant spray from the nozzle 34.
- the control unit 31 is configured to be able to detect the open / close state of the pair of split molds 10 a and 10 b of the rough mold 10.
- the control unit 31 may detect the open / close state of the pair of split molds 10a and 10b by connecting a sensor that detects the open / close position of the pair of split molds 10a and 10b to the control unit 31.
- a control circuit that controls the operation of the pair of split molds 10a and 10b is connected to the control unit 31, so that the control unit 31 receives a signal from the control circuit and receives the pair of split molds 10a, The open / close state of 10b may be detected.
- a configuration in which the control unit 31 controls the opening and closing operation of the pair of split molds 10a and 10b may be adopted.
- the displacement mechanism 32 is used to displace the nozzle 34 with respect to the rough mold 10 and to maintain the position of the nozzle 34.
- the displacement mechanism 32 is formed, for example, using a multi-joint robot such as a six-axis robot.
- the displacement mechanism 32 may be at least capable of inserting and removing the nozzle 34 into the cavity 17 of the rough mold 10, and the specific mechanism is not limited.
- the displacement mechanism 32 is configured such that the nozzles 34 can be taken in and out of the cavities 17 of any of the rough molds 10.
- the displacement mechanism 32 can displace the nozzle 34 also with respect to the mouth mold 11, and even when a plurality of mouth molds 11 are provided, the inner surface and the upper surface 11 c of any mouth mold 11. Can also spray. As a result, even if the mouth mold 11 has an elongated shape, the release lubricant can be reliably applied to the entire inner surface of the mouth mold 11.
- the above-described release lubricant supply mechanism is used to supply the release lubricant to the nozzle 34, and has, for example, a hose for transporting the release lubricant to the nozzle 34, a pump, and a control valve. ing.
- the release lubricant supply mechanism is electrically connected to the control unit 31, and the control of the control unit 31 controls the supply and stop of the release lubricant to the nozzle 34. It is done.
- the nozzle 34 is used to spray a release lubricant.
- the nozzle 34 is formed in an elongated rod shape, and the proximal end of the nozzle 34 is supported by the distal end of the displacement mechanism 32.
- a spray port (application portion) 38 formed by a slit or the like is provided at the tip of the nozzle 34.
- a plurality of spray ports 38 are disposed around the central axis of the nozzle 34 on the outer peripheral surface of the nozzle 34.
- the mold release lubricant passes through a path (not shown) inside the nozzle 34 to the spray port 38, and is sprayed from the spray port 38 to the corresponding cavity 17 (the inner surface of the rough mold 10, the inner surface and the upper surface 11c of the mold 11). Ru.
- the spray port 38 exhibits a function as an application part which applies a mold release lubricant to the rough mold 10.
- the method of spraying the release lubricant from the spray port 38 may be a method using a pump (for example, a plunger pump or the like), or two-fluid mixing using compressed air (mixture of release lubricant and air) May be used.
- the spray port 38 sprays the release lubricant so as to form, for example, a hollow cone-like spray pattern 39.
- the hollow cone-like spray pattern 39 is formed, for example, to face downward from the position surrounded by the corresponding rough mold 10.
- the angle ⁇ (the angle with respect to the vertical line) of the area where the hollow cone-like spray pattern 39 is formed is appropriately set by setting the shape of the spray port 38.
- An annular plate disposed coaxially with the nozzle 34 may be attached in the vicinity of the spray port 38 in the outer peripheral surface of the nozzle 34.
- the annular plate can prevent the release lubricant from being excessively scattered to an unintended location.
- the coating device 5 applies the release lubricant so that the thickness T1 of the release lubricant in the first region 41 is larger than the thickness T2 (including zero) of the release lubricant in the second region 42. It is configured to
- the operation of the displacement mechanism 32 inserts the nozzle 34 into the cavity 17.
- the spray lubricant 38 of the nozzle 34 sprays the release lubricant to at least the first region 41 so that the film thickness T1 of the release lubricant of the first region 41 becomes the release lubricant of the second region 42.
- Film thickness T2 (including zero).
- the same flow rate from the spray port 38 and the spray time of the release lubricant to the first area 41 may be longer than the spray time of the release lubricant to the second area 42, such a The relationship between the film thicknesses T1 and T2 can be realized.
- the spray amount (hydraulic pressure) of the release lubricant per unit time from the nozzle 34 is made relatively small in the area on the second area 42 side of the first area 41, and the mouth mold 11 side on the first area 41. May be made relatively large in the area of
- the nozzle 34 may spray the release lubricant in a stationary state in the cavity 17 or may spray the release lubricant while being moved along the longitudinal direction L1 by the displacement mechanism 32.
- the central axis of the nozzle 34 is arranged to coincide with the central axis of the cavity 17.
- the first region 41 is set to the entire area of the inner surface of the rough mold 10 extending from the position 18 corresponding to the sett blow line in the rough mold 10 to the side of the mouth mold 11.
- the first region 41 is set over the entire inner surface of the rough mold 10 from the position 18 corresponding to the set blow line to the end 10 e on the side of the mouth mold 11.
- the boundary 19 between the first area 41 and the second area 42 is one end of the inner surface of the rough mold 10 on the mouth mold 11 side. It is preferable to be set at a position of 30% to 80% of the total length A1 of the inner surface of the rough mold 10 in the longitudinal direction L1 from 10e. That is, the position of the boundary 19 between the first region 41 and the second region 42 may be 30% of the total length A1 from one end 10e of the inner surface of the rough mold 10, or one end 10e of the inner surface of the rough mold 10. To 80% of the total length A1 or a position between these positions.
- the gob 101 is placed in the cavity 17 by setting the boundary 19 between the first area 41 and the second area 42 at a position of 30% or more of the entire length A1 from the end 10e on the mouth mold 11 side of the inner surface of the rough mold 10
- the gob 101 can be more reliably received in the first area 41, ie, the area where the release lubricant is sufficiently applied.
- the upper end of the rough mold 10 is set by setting the boundary 19 between the first area 41 and the second area 42 at a position of 80% or less of the entire length A1 from one end 10e of the rough mold 10 on the mouth mold 11 side.
- the boundary 19 between the first region 41 and the second region 42 is set at 40% to 70% of the total length A1 from the end 10e on the mouth mold 11 side of the inner surface of the rough mold 10.
- the second area 42 is an area of the inner surface of the rough mold 10 excluding the first area 41.
- the second region 42 includes the bottle bottom side forming portion 10 c in the rough mold 10.
- each of the second regions 42 is formed in the entire circumferential direction of the inner surface of the rough mold 10.
- the film thickness T1 of the release lubricant in the first region 41 is set to such an extent that the release lubricant does not drip in the first region 41. Further, the film thickness T2 of the release lubricant in the second region 42 may be less than the film thickness T1 of the release lubricant. In the present embodiment, the film thickness T2 of the release lubricant is set to zero. That is, the release lubricant is not applied to the second region 42 including the bottle bottom side formation portion 10c.
- the spray port 38 of the nozzle 34 is either the boundary 19 side (upper side) of the first area 41 and the second area 42, or one of the inner surfaces of the rough mold 10 at one end 10 e (lower side) of the mouth mold 11 side.
- the control unit 31 controls so as to start spraying the release lubricant at the position of (1) and spray the release lubricant while displacing toward the other side.
- the coating device 5 applies a release lubricant to the inner surface of the rough mold 10 but does not apply the release lubricant to the inner surface of the mouth mold 11 and (2) the coating device 5 Two cases will be described in which a mold release lubricant is applied to the inner surface of the rough mold 10 and the inner surface and the upper surface 11 c of the mouth mold 11. Further, in the case of the above (2), five patterns (patterns A, B, C, D, E) will be described.
- the application device 5 applies the release lubricant to the inner surface of the rough mold 10 but does not apply the release lubricant to the inner surface of the mouth mold 11 will be described with reference to FIG. In this case, the mouth mold 11 may or may not be present.
- the pair of split molds 10a and 10b of the rough mold 10 may be closed or open at first, but is preferably closed. Further, it is preferable that the release lubricant is started to be sprayed by the nozzle 34 after the spray port 38 is inserted into the cavity 17. Then, spraying of the release lubricant from the spray port 38 is started with the position of the nozzle 34, the moving speed, and the hydraulic pressure of the release lubricant set by the control unit 31, and the release lubricant is applied to a predetermined location. Is applied.
- the spray port 38 of the nozzle 34 sprays the release lubricant from the boundary 19 of the inner surface of the rough mold 10 to the end 10 e on the port mold 11 side, and then releases the mold without spraying the release lubricant to the port mold 11 Stop spraying the lubricant.
- the nozzle 34 may spray the release lubricant while being lowered from the boundary 19 toward the mouth mold 11, while rising from the one end 10 e of the inner surface of the rough mold 10 toward the boundary 19. A release lubricant may be sprayed.
- the mold 11 can be prevented from being coated with the release lubricant.
- the pair of split molds 10a and 10b of the rough mold 10 may be initially closed or may be open, but is preferably closed. . Further, it is preferable that the release lubricant is started to be sprayed by the nozzle 34 after the spray port 38 is inserted into the cavity 17. Then, spraying of the release lubricant from the spray port 38 is started with the position of the nozzle 34, the moving speed, and the hydraulic pressure of the release lubricant set by the control unit 31, and the release lubricant is applied to a predetermined location. Is applied. As shown in FIG.
- the spray port 38 of the nozzle 34 sprays the release lubricant from the boundary 19 of the inner surface of the rough mold 10 to one end 10 e on the side of the mouth mold 11.
- the spray nozzle 38 maintains the spray of the release lubricant, and the upper surface of the mouth mold 11 is opened along with the split molds 10a and 10b of the rough mold 10 being opened.
- the mold release lubricant is applied to 11c, and further, as shown by arrow D2A, the mold lubricant enters into the space in the mouth mold 11 and the mold release lubricant is applied to the inner surface of the mouth mold 11. Thereafter, the spraying of the release lubricant from the spray port 38 is stopped.
- the nozzle 34 sprays the mold release lubricant onto the mouth mold 11 as described above.
- the pair of split molds 10a and 10b are in a half-opened state when the release lubricant is sprayed onto the upper surface 11c of the mouth mold 11, and they are not completely opened.
- the mold release lubricant can be applied to the rough mold 10 and the mouth mold 11 while the spray state of the mold release lubricant from the spray port 38 of the nozzle 34 is stable. Further, even if the mouth mold 11 has an elongated shape, the spray lubricant 38 of the nozzle 34 can more reliably apply the release lubricant to the entire inner surface of the mouth mold 11.
- the pair of split molds 10a and 10b of the rough mold 10 may be closed or open at first, but is preferably closed. . Further, it is preferable that the release lubricant is started to be sprayed by the nozzle 34 after the spray port 38 is inserted into the cavity 17. Then, spraying of the release lubricant from the spray port 38 is started with the position of the nozzle 34, the moving speed, and the hydraulic pressure of the release lubricant set by the control unit 31, and the release lubricant is applied to a predetermined location. Is applied. As shown in FIG.
- the spray port 38 of the nozzle 34 sprays a release lubricant from the boundary 19 of the inner surface of the rough mold 10 to one end 10 e on the side of the mouth mold 11 and then releases the release lubricant. Stop spraying once. Thereafter, as shown in FIG. 6 (B), the spray port 38 of the nozzle 34 enters the space in the mouth mold 11 in accordance with the opening of the pair of split molds 10a and 10b of the rough mold 10. Subsequently, the spray port 38 of the nozzle 34 sprays a release lubricant onto the inner surface of the mouth mold 11 and the upper surface 11 c of the mouth mold 11 while rising as shown by the arrow D2B.
- the spraying of the release lubricant from the spray port 38 is stopped.
- the nozzle 34 sprays the mold release lubricant onto the mouth mold 11 as described above.
- the pair of split molds 10a and 10b are in a completely opened state when the release lubricant is sprayed onto the upper surface 11c of the mouth mold 11.
- the spray port 38 of the nozzle 34 can apply the release lubricant to a wide range of the upper surface 11 c of the mouth mold 11. As a result, the slidability (easiness of sliding) between the rough mold 10 and the mouth mold 11 can be further improved.
- the spray port 38 of the nozzle 34 stops spraying of the release lubricant in a state where the pair of split molds 10a and 10b of the rough mold 10 is opened. While entering the space in the mouth mold 11. After that, as shown in FIG. 7B, the spray port 38 ascends and displaces toward the second region 42 as shown by the arrow D2C while spraying the release lubricant, so that the inner surface of the mouth mold 11 is obtained. Subsequently, the upper surface 11c of the mouth mold 11 is sprayed. Subsequently, referring to FIG.
- the spray port 38 sprays a release lubricant onto the inner surface of the rough mold 10 while the pair of split molds 10a and 10b are closed as shown by arrow D2C '. Do. Thereafter, the spraying of the release lubricant from the spray port 38 is stopped. At this time, when the spraying of the release lubricant from the spray port 38 is completed, the pair of mold halves 10a and 10b are completely closed.
- the spray port 38 of the nozzle 34 can apply a release lubricant to a wide range of the upper surface 11 c of the mouth mold 11.
- the slidability (easiness of sliding) between the rough mold 10 and the mouth mold 11 can be further improved.
- the mold release lubricant can be applied to the rough mold 10 from the spray port 38 using the time required for the operation of closing the rough mold 10. Thereby, it is possible to further shorten the loss time (the time when the parison 102 can not be formed) in the rough mold 10 accompanying the application of the release lubricant.
- this pattern D corresponds to the position of the nozzle 34 set by the control unit 31, the moving speed, and the hydraulic pressure of the release lubricant from the spray port 38. Spraying is started, and a release lubricant is applied to a predetermined place.
- the spray port 38 of the nozzle 34 is first inserted into the mouth mold 11 as shown in FIG. 8 (A). Then, as shown in FIG. 8B, as shown by an arrow D2D toward the second region 42 while spraying the release lubricant while the pair of split molds 10a and 10b of the rough mold 10 are opened. Subsequently, the upper surface 11 c of the mouth mold 11 is applied following the inner surface of the mouth mold 11.
- the spraying of the release lubricant from the spray port 38 is temporarily stopped. Subsequently, as shown in FIG. 8C, after the pair of split molds 10a and 10b is completely closed, the spray port 38 coats the inner surface of the rough mold 10 while being lifted and displaced as shown by the arrow D2D. Do. Thereafter, the spraying of the release lubricant from the spray port 38 is stopped.
- the spray port 38 of the nozzle 34 can apply a release lubricant to a wide range of the upper surface 11 c of the mouth mold 11. As a result, the slidability (easiness of sliding) between the rough mold 10 and the mouth mold 11 can be further improved. Furthermore, the spray nozzle 38 can apply a release lubricant to the rough mold 10 in a closed state. As a result, the spray port 38 can more accurately apply the release lubricant toward the desired portion of the rough mold 10.
- the pair of split molds 10a and 10b are opened in advance. Then, as shown by arrow D2E, the spray port 38 of the nozzle 34 is opened from the boundary 19 of the inner surface of the rough mold 10 during the operation in which the pair of split molds 10a and 10b of the rough mold 10 is closed. The mold release lubricant is sprayed to one end 10 e on the mold 11 side.
- the spray nozzle 38 opens the pair of split molds 10a and 10b of the rough mold 10 as shown by arrow D2E 'in FIG. 9B while maintaining the injection of the release lubricant.
- the mold release lubricant is applied to the upper surface 11 c of the mouth mold 11 in accordance with the movement, and the mold lubricant enters the space in the mouth mold 11, and the mold release lubricant is applied to the inner surface of the mouth mold 11. Thereafter, the spraying of the release lubricant from the spray port 38 is stopped.
- the spray port 38 of the nozzle 34 sprays the release lubricant. It is stopped temporarily. Thereafter, as indicated by arrow D2E 'in FIG. 9B, the spray port 38 of the nozzle 34 enters the space in the mouth mold 11 in accordance with the pair of split molds 10a and 10b of the rough mold 10 being opened. Do. Subsequently, the spray nozzle 38 sprays a release lubricant on the inner surface and the upper surface 11 c of the mouth mold 11 while rising. Thereafter, the spraying of the release lubricant from the spray port 38 is stopped.
- the release lubricant can be applied to the rough mold 10 from the spray port 38 using the time required for the operation of closing the rough mold 10. Thereby, it is possible to further shorten the loss time (the time when the parison 102 can not be formed) in the rough mold 10 accompanying the application of the release lubricant.
- the nozzle 34 of the coating device 5 is configured such that the film thickness T1 of the mold release lubricant to the first area 41 is the film of the mold release lubricant to the corresponding second area 42
- the release lubricant is applied to be greater than a thickness T2 (including zero).
- the first area 41 set on the side of the mouth mold 11 is an area that rubs against the gob 101 when the gob 101 is filled on the inner surface of the rough mold 10, and slippage is required. It is essential that a mold lubricant be applied.
- the second area 42 since the second area 42 is set at a position farther from the mouth mold 11 than the first area 41, the second area 42 does not contact the gob 101 when the gob 101 is filled.
- the change in thickness of the bottle bottom portion can be made smaller.
- the bottle bottom side forming portion 10c is configured not to apply the release lubricant. According to this configuration, it is possible to reduce the change in thickness of the bottle base due to suppressing the decrease in the adhesion between the rough mold 10 and the parison 102 in the bottle bottom side forming portion 10c.
- the boundary 19 between the first region 41 and the second region 42 is 30% to 30% of the total length A1 of the inner surface of the rough mold 10 from one end 10 e of the rough mold 10 on the mouth mold 11 side. It is set to 80% position. According to this configuration, by setting the boundary 19 at the above lower limit value or more, it is possible to more reliably release the rough mold 10 to a portion where the release lubricant needs to be sufficiently applied from the viewpoint of improving the slip property. Lubricant can be applied. Further, by setting the position of the boundary 19 below the above-described upper limit value, it is possible to more surely reduce the thickness change of the bottle bottom.
- the first area 41 is set in the area from the position 18 corresponding to the sett blow line in the rough mold 10 to one end 10 e on the side of the mouth mold 11 of the rough mold 10.
- the release lubricant can be reliably supplied to the inner surface of the rough mold 10 to which the gob 101 is rubbed.
- the film thickness T2 of the release lubricant at a portion of the inner surface of the rough mold 10 which is unlikely to be rubbed against the gob 101 in the set blow process can be zero or a value smaller than the film thickness T1. This makes it possible to reduce the change in wall thickness at the bottom of the bottle.
- control unit 31 can control the actual release lubricant film thicknesses T1 and T2 by controlling the nozzle 34. Furthermore, by operating the displacement mechanism 32, the control unit 31 can supply the release lubricant from the spray port 38 toward the rough mold 10 while changing the position of the spray port 38 of the nozzle 34. Thereby, the actual film thickness T1, T2 of the mold release lubricant in each part of the inner surface of the rough mold 10 can be controlled.
- FIG. 10 is a schematic view of a glass bottle manufacturing apparatus 1A according to a second embodiment of the present invention.
- FIG. 11 is a schematic view showing the coating device 5 and the rough mold 10A of the glass bottle manufacturing apparatus 1A.
- Glass bottle manufacturing apparatus 1A (hereinafter, also simply referred to as manufacturing apparatus 1A) is used to manufacture glass bottle 103A.
- the manufacturing apparatus 1A manufactures the glass bottle 103A by the press & blow process or the narrow neck press & blow process.
- manufacturing apparatus 1A includes a rough mold portion 2A and a coating device 5.
- the rough mold part 2A is used to manufacture the parison 102A as a manufacturing intermediate of the glass bottle 103A.
- a gob 101A is supplied to the rough mold portion 2A, and the rough mold portion 2A shapes the gob 101A into a parison 102A.
- the rough mold portion 2A includes a rough mold 10A as a rough mold for press molding, a mouth mold 11A, a baffle 13A, and a plunger 22A.
- a coating layer is formed of a carbon coating or the like on the inner surface of the rough mold 10A as a region for forming the gob 101A into a parison. Then, a release lubricant is periodically applied to the inner surface.
- the rough mold 10A is used to mold a portion of the glass bottle 103A other than the mouth portion 101aA.
- the inner surface of the rough mold 10A forms a cavity 17A.
- the rough mold 10A has a pair of split molds 10aA and 10bA facing each other in the direction orthogonal to the longitudinal direction L1.
- a cavity 17A is formed by combining these split molds 10aA and 10bA with each other.
- the surface forming the cavity 17 is referred to as the inner surface of the rough mold 10A.
- the cavity 17A has a shape in which a portion where the diameter extends along the longitudinal direction L1 and a portion where the diameter narrows are alternately arranged. More specifically, the cavity 17A has a first portion 61 adjacent to the mouth mold 11A and having a relatively narrow diameter, and the diameter once widening from the first portion 61 along the longitudinal direction L1 from the mouth mold 11A. And a second portion 62 having a relatively large diameter, and a third portion 63 continuous with the second portion 62 and having a diameter substantially the same as the diameter of the first portion 61.
- the upper end of the rough mold 10A includes a bottle bottom side forming portion 10cA.
- the lower end 10dA of the rough mold 10A is formed in an upwardly recessed shape, and a mouth mold 11A is disposed in the recessed portion.
- the mouth mold 11A is used to mold the mouth portion 101aA of the glass bottle 103A.
- the mouth mold 11A is fitted to the lower end 10dA of the rough mold 10A.
- the upper surface 11cA of the mouth mold 11A faces the lower surface of the lower end 10dA of the rough mold 10A.
- a plunger 22A protruding from the mouth mold 11A closes a lower end 10dA of the mouth mold 10A.
- the mouth mold 11A has a pair of split molds 11aA and 11bA facing each other in the direction orthogonal to the longitudinal direction L1, and these split molds 11aA and 11bA are combined with each other.
- a spiral groove or a concavo-convex portion is formed on the inner surface of the mouth mold 11A.
- split molds 10aA and 10bA are appropriately switched between an open state separated from each other and a closed state closed to each other by an open / close mechanism (not shown).
- split molds 11aA and 11bA are appropriately switched between an open state separated from each other and a closed state closed to each other by an open / close mechanism (not shown).
- the plunger 22A is disposed so as to be surrounded by the mouth mold 11A, and is configured to be displaceable in the longitudinal direction L1 by a cylinder device (not shown) or the like.
- the plunger 22A has a conical portion whose tip is formed in a hemispherical shape, and can be displaced between a state of advancing into the rough mold 10A and a state of retracting.
- baffle 13A is provided, and the baffle 13A closes the upper end of the rough mold 10A.
- the gob 101A is first filled in the cavity 17A of the rough mold 10A.
- the gob 101A rubs against the inner surface of the narrow first portion 61 of the cavity 17A and is received by the plunger 22A.
- the baffle 13A is attached to the rough mold 10A.
- the plunger 22A is pushed out to the baffle 13A side, and the gob 101A is pressed between the rough mold 10A and the plunger 22A.
- the entire gob 101A is pressed against the inner surface of the rough mold 10A, and a mouth 101aA is formed, and the gob 101A becomes a parison 102A.
- a release lubricant is periodically applied to the inner surface of rough mold 10A in order to ensure slidability with gob 101A and releasability with parison 102A.
- Applied to The coating device 5 is used to apply the release lubricant.
- the displacement mechanism 32 of the coating device 5 is configured to be able to put the nozzle 34 into and out of the cavity 17A of the rough mold part 2A. More preferably, the displacement mechanism 32 is configured such that the nozzles 34 can be inserted into and removed from the cavities 17A of any of the rough mold sections 2A when a plurality of rough mold sections 2A are provided.
- the displacement mechanism 32 can also displace the nozzle 34 with respect to the mouth mold 11A, and even when a plurality of mouth molds 11A are provided, the inner surface and the upper surface 11cA of any mouth mold 11A. Can also spray. As a result, even if the mouth mold 11A has an elongated shape, the release lubricant can be reliably applied to the entire inner surface of the mouth mold 11A.
- the nozzle 34 may spray the release lubricant in a stationary state in the cavity 17A, or may spray the release lubricant while being moved along the longitudinal direction L1 by the displacement mechanism 32.
- the central axis of the nozzle 34 is arranged to coincide with the central axis of the cavity 17A.
- the coating device 5 applies the release lubricant so that the thickness T1A of the release lubricant in the first region 41A is larger than the thickness T2A (including zero) of the release lubricant in the second region 42A. It is configured to
- the operation of the displacement mechanism 32 inserts the nozzle 34 into the cavity 17A. Then, the nozzle 34 sprays the release lubricant at least in the first region 41A, whereby the film thickness T1A of the release lubricant in the first region 41A is the film thickness T2A of the release lubricant in the second region 42A.
- the same flow rate from the coating device 5 and the spray time of the release lubricant to the first area 41A may be longer than the spray time of the release lubricant to the second area 42A.
- the relationship between the film thicknesses T1A and T2A can be realized.
- the first region 41A is set from one end 10eA on the mouth mold 11A side of the inner surface of the rough mold 10A to the narrow first portion 61.
- the first area 41A includes an area where the gob 101A strikes while being rubbed when the gob 101A is filled into the press forming rough mold 10A.
- the second area 42A is an area of the inner surface of the rough mold 10A excluding the first area 41A.
- the second region 42A includes the bottle bottom side forming portion 10cA in the rough mold 10A.
- each of the first region 41A and the second region 42A is formed in the entire circumferential direction of the inner surface of the rough mold 10A.
- the boundary 19a between the first region 41A and the second region 42A is 30% to 80% of the total length A1A of the inner surface of the rough mold 10A in the longitudinal direction L1 from the end 10eA on the mouth mold 11aA side of the inner surface of the rough mold 10A. It is preferable to set in the range of That is, the position of the boundary 19A between the first region 41A and the second region 42A may be a position from one end 10eA of the inner surface of the rough mold 10A to 30% of the total length A1A, or one end 10eA of the inner surface of the rough mold 10A. To 80% of the total length A1A, or a position between these positions.
- the film thickness T1A of the release lubricant in the first region 41A is set to such an extent that the release lubricant does not drip in the first region 41A.
- the film thickness T2A of the release lubricant in the second region 42A may be less than the film thickness T1A of the release lubricant.
- the film thickness T2A of the release lubricant is set to zero. That is, the release lubricant is not applied to the second region 42A including the bottle bottom side formation portion 10cA.
- the first portion 61 which is hit while rubbing the gob 101A is defined as the first region 41A. Since the gob 101A is rubbed, a sufficient release lubricant can be supplied to the first area 41A where the slip property is required.
- the form which applies a mold release lubricant using application machine 5 was explained to an example. However, this does not have to be the case.
- the release lubricant may be applied manually by a worker.
- the application device 5 may apply the release lubricant by using another application member such as brush instead of the nozzle 34.
- the glass bottle shown in FIG. 13 was produced as an Example and a comparative example.
- the height of the main body excluding the mouth of the glass bottle is about 100 mm.
- the body portion extends cylindrically to a bottom with a substantially constant diameter after a continuous increase in diameter from the neck to the bottom.
- the glass bottle was produced by the glass bottle manufacturing apparatus of the structure similar to the structure shown in 1st Embodiment. That is, a parison was formed by blow molding, and then this parison was formed into a glass bottle by blow molding (blow and blow molding) to produce a glass bottle.
- a glass bottle (reference glass bottle) was prepared twice consecutively in this glass bottle manufacturing apparatus before applying a release lubricant to the rough mold of the glass bottle manufacturing apparatus. Thereafter, a mold release lubricant was applied to the entire inner surface and upper surface of the mouth mold of the glass bottle manufacturing apparatus, and the area of the rough inner surface which is a half area in the longitudinal direction of the cavity and on the mouth side. And an example (glass bottle) was continuously produced 5 times (5 rounds) with the glass bottle manufacturing apparatus with which the mold release lubricant was apply
- the preparation of the comparative example was carried out in the same manner as the example except that the release lubricant was applied to the entire inner surface of the rough mold when the release lubricant was applied.
- the average value of the glass thickness at each of the height positions x (mm) from the ground contact surface of each glass bottle, measured at eight points every 45 ° in the circumferential direction for each height position was calculated.
- FIG. 14 shows the average value of the glass thickness at each of the height positions of x (mm) from the contact surface of the bottle for each of the reference glass bottle of the example and the reference glass bottle of the comparative example.
- x 0 (ground plane), 8, 12, 20, 30, 40, 50, 60, 70, 79.5, 90, 100, and the bottom surface.
- the bottom refers to the most recessed position of the bottom that is recessed upward.
- x ( The average value of the glass thickness at each of the height positions of mm) can be said to be substantially identical.
- FIG. 15 (A) shows the average value of the glass thickness at each of the height positions of x (mm) from the ground contact surface of the bottle, with each of the comparative examples of 1 round to 5 rounds and the reference glass bottle of the comparative example. It is the figure which plotted the difference.
- FIG. 15 (B) shows the average value of the glass thickness at each of the height positions of x (mm) from the ground contact surface of the bottle for each of the examples of 1 round to 5 rounds and the reference glass bottle of the example. It is the figure which plotted the difference (thickness difference).
- the thickness difference is particularly large at the height position of the ground contact surface (0 mm) and the height position of 8 (mm). At the height position of the contact surface (0 mm), the example returns one round earlier than the comparative example to near the state before the release lubricant application. Further, at the height position of 8 (mm), the thickness difference is as large as about 0.4 (mm) at the maximum in the comparative example, whereas in the embodiment, the thickness difference is at most about 0. It is a small value less than 1 (mm).
- the thickness difference of the example is an extremely small value less than 1 ⁇ 4 of the thickness difference of the comparative example.
- the thickness of the glass bottle has an off-specification value and It is obvious that it contributes to the improvement of production efficiency.
- the present invention can be widely applied as a mold release lubricant application apparatus to a rough mold for glass bottle production, a mold release lubricant application method to a rough mold for glass bottle production, a glass bottle production apparatus, and a glass bottle production process. .
- 1,1A glass bottle manufacturing apparatus 5 coating apparatus 10, 10A rough mold 10a, 10b, 10aA, 10bA split mold 10c, 10cA bottle bottom side forming portion 10e, 10eA rough mold inner surface one end 11, 11A port mold 11c, 11cA mouth upper surface 18 position corresponding to the sett blow line 19, 19A boundary 31 control unit (control unit) 32 Displacement mechanism 38 Sprayer (application part) 41, 41A First region 42, 42A Second region 101, 101A Gob A1, A1A Overall length of rough mold T1, T1A Release lubricant film thickness of first region T2, T2A Release lubricant film thickness of second region
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Abstract
Description
図1は、本発明の第1実施形態にかかるガラスびん製造装置1の概略図である。図2は、ガラスびん製造装置1の塗布装置5および粗型10を示す模式図である。図1~図2を参照して、ガラスびん製造装置1(以下、製造装置1ともいう。)は、ブロー&ブロープロセスによってガラスびん103の製造中間体としてのパリソン102を製造する。
図10は、本発明の第2実施形態にかかるガラスびん製造装置1Aの概略図である。図11は、ガラスびん製造装置1Aの塗布装置5および粗型10Aを示す模式図である。ガラスびん製造装置1A(以下、単に製造装置1Aともいう。)は、ガラスびん103Aを製造するために用いられる。製造装置1Aは、プレス&ブロープロセスまたはナローネックプレス&ブロープロセスによってガラスびん103Aを製造する。
実施例および比較例として、図13に示すガラスびんを作製した。ガラスびんは、口部を除く本体部の高さが約100mmである。本体部は、首部から底部に向けて直径が連続的に増加した後、略一定の直径で底まで円筒状に延びている。ガラスびんは、第1実施形態で示す構造と同様の構造のガラスびん製造装置によって作製された。すなわち、ブロー成形によってパリソンを成形し、その後このパリソンをブロー成形によってガラスびんに成形(ブロー&ブロー成形)することでガラスびんが作製された。
5 塗布装置
10,10A 粗型
10a,10b,10aA,10bA 割型
10c,10cA びん底側形成部
10e,10eA 粗型の内面うち口型側の一端
11,11A 口型
11c,11cA 口型の上面
18 セッツルブローラインに対応する位置
19,19A 境界
31 制御部(制御ユニット)
32 変位機構
38 噴霧口(塗布部)
41,41A 第1領域
42,42A 第2領域
101,101A ゴブ
A1,A1A 粗型の全長
T1,T1A 第1領域の離型潤滑剤膜厚
T2,T2A 第2領域の離型潤滑剤膜厚
Claims (14)
- 粗型の内面のうち口型側に設定された第1領域、および、この第1領域よりも前記口型から遠い箇所に設定された第2領域に関して、前記第1領域の離型潤滑剤膜厚が、前記第2領域の離型潤滑剤膜厚(ゼロを含む)よりも大きくなるように離型潤滑剤を塗布するように構成されていることを特徴とする、ガラスびん製造用粗型への離型潤滑剤塗布装置。
- 請求項1に記載のガラスびん製造用粗型への離型潤滑剤塗布装置であって、
前記第2領域は、前記粗型におけるびん底側形成部を含み、
前記びん底側形成部には前記離型潤滑剤を塗布しないように構成されていることを特徴とする、ガラスびん製造用粗型への離型潤滑剤塗布装置。 - 請求項1または請求項2に記載のガラスびん製造用粗型への離型潤滑剤塗布装置であって、
前記第1領域と前記第2領域の境界は、前記粗型の前記内面のうち前記口型側の一端から前記粗型内面の全長の30%~80%の位置に設定されていることを特徴とする、ガラスびん製造用粗型への離型潤滑剤塗布装置。 - 請求項1~請求項3の何れか1項に記載のガラスびん製造用粗型への離型潤滑剤塗布装置であって、
前記塗布装置は、前記粗型としてのブロー成形用粗型へ前記離型潤滑剤を塗布するように構成されており、
前記第1領域は、前記ブロー成形用粗型におけるセッツルブローラインに対応する位置から前記口型側に延びる領域を含んでいることを特徴とする、ガラスびん製造用粗型への離型潤滑剤塗布装置。 - 請求項1~請求項3の何れか1項に記載のガラスびん製造用粗型への離型潤滑剤塗布装置であって、
前記塗布装置は、前記粗型としてのプレス成形用粗型へ前記離型潤滑剤を塗布するように構成されており、
前記プレス成形用粗型のうちゴブが前記プレス成形用粗型に充填されたときにこのゴブが擦れながら当たる領域が前記第1領域として設定されていることを特徴とする、ガラスびん製造用粗型への離型潤滑剤塗布装置。 - 請求項1~請求項5の何れか1項に記載のガラスびん製造用粗型への離型潤滑剤塗布装置であって、
前記離型潤滑剤を前記粗型へ塗布する塗布部と、
前記塗布部の動作を制御する制御ユニットと、
をさらに備えていることを特徴とする、ガラスびん製造用粗型への離型潤滑剤塗布装置。 - 請求項6に記載のガラスびん製造用粗型への離型潤滑剤塗布装置であって、
前記塗布部は、前記粗型に対して変位機構によって変位されるように構成され、
前記制御ユニットは、前記変位機構の動作および前記塗布部からの前記離型潤滑剤の供給を制御する制御部、を含んでいることを特徴とする、ガラスびん製造用粗型への離型潤滑剤塗布装置。 - 請求項6または請求項7に記載のガラスびん製造用粗型への離型潤滑剤塗布装置であって、
前記塗布部は、前記第1領域と前記第2領域の境界側、および、前記粗型内面のうち前記口型側の一端の何れか一方側の位置において前記離型潤滑剤の噴霧を開始し、他方側へ向けて変位しながら前記離型潤滑剤を噴霧するように、前記制御ユニットによって制御されることを特徴とする、ガラスびん製造用粗型への離型潤滑剤塗布装置。 - 請求項8に記載のガラスびん製造用粗型への離型潤滑剤塗布装置であって、
前記塗布部は、前記第1領域と前記第2領域の境界から前記粗型内面のうち前記口型側の一端まで前記離型潤滑剤を噴霧した後、前記口型へ前記離型潤滑剤を噴霧することなく前記離型潤滑剤の噴霧を停止するように構成されていることを特徴とする、ガラスびん製造用粗型への離型潤滑剤塗布装置。 - 請求項8に記載のガラスびん製造用粗型への離型潤滑剤塗布装置であって、
前記塗布部は、前記第1領域と前記第2領域の境界から前記粗型内面のうち前記口型側の一端まで前記離型潤滑剤を噴霧した後、前記離型潤滑剤の噴霧を維持したまま、前記粗型の一対の割型が開かれることに伴い前記口型の上面を噴霧し、さらに、前記口型内の空間に進入して前記口型内面を噴霧するように構成されていることを特徴とする、ガラスびん製造用粗型への離型潤滑剤塗布装置。 - 請求項8に記載のガラスびん製造用粗型への離型潤滑剤塗布装置であって、
前記塗布部は、前記第1領域と前記第2領域の境界から前記粗型内面のうち前記口型側の一端まで前記離型潤滑剤を噴霧した後に前記離型潤滑剤の噴霧を一旦停止し、その後、前記粗型の一対の割型が開かれることに伴い前記口型内の空間に進入し、前記口型の内面に続いて前記口型の上面を噴霧するように構成されていることを特徴とする、ガラスびん製造用粗型への離型潤滑剤塗布装置。 - 粗型の内面のうち口型側に設定された第1領域、および、この第1領域よりも前記口型から遠い箇所に設定された第2領域に関して、前記第1領域の離型潤滑剤膜厚が、前記第2領域の離型潤滑剤膜厚(ゼロを含む)よりも大きくなるように離型潤滑剤を塗布することを特徴とする、ガラスびん製造用粗型への離型潤滑剤塗布方法。
- 請求項1~請求項11の何れか1項に記載のガラスびん製造用粗型への離型潤滑剤塗布装置を備えていることを特徴とする、ガラスびん製造装置。
- 粗型の内面のうち口型側に設定された第1領域、および、この第1領域よりも前記口型から遠い箇所に設定された第2領域に関して、前記第1領域の離型潤滑剤膜厚が、前記第2領域の離型潤滑剤膜厚(ゼロを含む)よりも大きくなるように離型潤滑剤を塗布する離型潤滑剤塗布ステップと、
前記粗型を用いてパリソンを成形する成形ステップと、
を含んでいることを特徴とする、ガラスびん製造方法。
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JP6500067B1 (ja) * | 2017-09-29 | 2019-04-10 | 日本山村硝子株式会社 | ガラスびん成形用口型への離型剤塗布装置、ガラスびん成形用口型への離型剤塗布方法、ガラスびん製造装置、および、ガラスびん製造方法 |
PL3689832T3 (pl) * | 2017-09-29 | 2022-08-16 | Nihon Yamamura Glass Co., Ltd. | Urządzenie do nakładania środka antyadhezyjnego na formę wykończeniową butelki szklanej, sposób nakładania środka antyadhezyjnego na formę wykończeniową butelki szklanej, urządzenie do wytwarzania butelki szklanej i sposób wytwarzania butelki szklanej |
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