WO2012120663A1 - バッフル駆動装置及びパリソン成形方法 - Google Patents

バッフル駆動装置及びパリソン成形方法 Download PDF

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Publication number
WO2012120663A1
WO2012120663A1 PCT/JP2011/055509 JP2011055509W WO2012120663A1 WO 2012120663 A1 WO2012120663 A1 WO 2012120663A1 JP 2011055509 W JP2011055509 W JP 2011055509W WO 2012120663 A1 WO2012120663 A1 WO 2012120663A1
Authority
WO
WIPO (PCT)
Prior art keywords
baffle
exhaust
piston
shaft
funnel
Prior art date
Application number
PCT/JP2011/055509
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
勝弘 豊永
治三郎 松村
Original Assignee
東洋ガラス株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 東洋ガラス株式会社 filed Critical 東洋ガラス株式会社
Priority to PCT/JP2011/055509 priority Critical patent/WO2012120663A1/ja
Priority to JP2011517127A priority patent/JP4865931B1/ja
Priority to CN201180067955.3A priority patent/CN103380090B/zh
Publication of WO2012120663A1 publication Critical patent/WO2012120663A1/ja

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Classifications

    • 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
    • C03B9/40—Gearing or controlling mechanisms specially adapted for glass-blowing machines
    • C03B9/403—Hydraulic or pneumatic systems
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B9/00—Blowing glass; Production of hollow glass articles
    • C03B9/13—Blowing glass; Production of hollow glass articles in gob feeder machines
    • C03B9/14—Blowing glass; Production of hollow glass articles in gob feeder machines in "blow" machines or in "blow-and-blow" machines
    • C03B9/16—Blowing glass; Production of hollow glass articles in gob feeder machines in "blow" machines or in "blow-and-blow" machines in machines with turn-over moulds
    • C03B9/165—Details of such machines, e.g. guide funnels, turn-over mechanisms
    • 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
    • C03B9/344—Bottom moulds
    • 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 baffle driving device in a glass bottle molding machine and a parison molding method in a glass bottle molding process.
  • FIG. 1 to 4 are explanatory views of parison molding by a so-called blow-and-blow method in an IS machine that is a general glass bottle molding machine.
  • the rough mold 21 is closed, the funnel 20 is lowered from the standby position and connected to the top of the rough mold 21, and the gob 24 is inserted into the rough mold 21 through the funnel 20.
  • the baffle 1 descends from the standby position from the state shown in FIG. 1 and is connected to the upper part of the funnel 20. Settle air is blown into the rough mold 21 from the baffle 1 (settle blow), and the lower part of the gob 24 is the mouth mold 22. And the mouth of the parison formed between the plungers 23.
  • FIG. 3 shows a state in which the baffle 1 is raised from the state of FIG. 2 and returned to the standby position, and the funnel 20 is also raised and returned to the standby position.
  • FIG. 4 shows a state in which the baffle 1 is lowered again from the state of FIG. 3 and connected to the upper portion of the rough mold 21, the plunger 23 is lowered, counter air is blown out from below (counter blow), and the parison 25 is formed.
  • the baffle lowering operation at this time is referred to as a baffle secondary descent.
  • the rough mold 21 is opened, the mouth mold 22 is inverted by the mechanism while holding the parison 25 and is transferred to the finishing mold, and the glass bottle is finished and blown.
  • the rough mold 21 is closed again to the state shown in FIG. 1, and the operations shown in FIGS. 1 to 4 are repeated.
  • FIG. 10 is a schematic explanatory diagram of a conventional baffle driving device.
  • the baffle driving device is fixed to a frame (not shown) of the molding machine main body near the rough mold.
  • the baffle 1 is moved up and down by an air cylinder 3.
  • the air cylinder 3 has a piston 2c that slides up and down inside.
  • the shaft 2 is fixed vertically at the center of the piston 2c, and the shaft 2 protrudes up and down the air cylinder.
  • the arm 2a protrudes from the upper part of the shaft 2 in the radial direction, and the baffle 1 is fixed to the tip. From the upper part of the shaft 2 to the baffle 1, an air passage 2b for settling air is formed.
  • the guide cylinder 4 is fixed to the lower part of the air cylinder 3.
  • a cam groove 4a is formed in the guide tube, and a cam roller 2d protruding in a radial direction from the lower portion of the shaft 2 is engaged with the cam groove 4a.
  • the baffle 1 moves up and down while rotating around the shaft 2.
  • High-pressure air that drives the air cylinder 3 is supplied from the high-pressure tank 6 through the air supply pipe 5, the air supply control unit 7, and the air supply pipes 5a and 5b.
  • the air supply pipe 5a is connected to the upper part of the air cylinder 3, and 5b is connected to the lower part.
  • An exhaust pipe 8a is connected to the upper part of the air cylinder 3, and an exhaust pipe 8b is connected to the lower part.
  • the exhaust pipes 8a and 8b are provided with an exhaust control unit 9 and adjustment valves 9a and 9b.
  • FIG. 5 shows a state where the baffle 1 is lowered, and when the baffle is raised, the air supply control unit 7 opens the air supply pipe 5b and closes 5a. Further, the exhaust control unit 9 opens the exhaust pipe 8a and closes 8b. As a result, the high-pressure air flows from the air supply pipe 5b into the lower part of the air cylinder 3 to push up the piston 2c, and the upper air is exhausted from the exhaust pipe 8a.
  • the air supply control unit 7 opens the air supply pipe 5a and closes 5b. Further, the exhaust control unit 9 opens the exhaust pipe 8b and closes 8a. As a result, the high-pressure air flows into the upper portion of the air cylinder 3 from the air supply pipe 5a, pushes down the piston 2c, and the lower air is exhausted from the exhaust pipe 8b.
  • the adjustment speed of the baffle can be adjusted by adjusting the adjustment valve 9a of the exhaust pipe, and the reduction speed of the baffle can be adjusted by adjusting the adjustment valve 9b.
  • the baffle driving device operates as described above, the ascending and descending operations of the baffle become an acceleration motion that gradually increases in speed.
  • the baffle 1 collides with the funnel 20 in the primary descent of the baffle in FIG. 2, and the baffle 1 collides with the rough mold 21 in the secondary descent of the baffle in FIG.
  • a defect of a fine crack called “slip” is likely to occur in the outer periphery of the mouth of the parison (that is, the glass bottle). Therefore, the baffle descending speed is slowed down as much as possible to suppress the occurrence of “chock”, but this will not only slow down the glass bottle forming speed but also reduce the production efficiency. There was also a problem that defects were likely to occur.
  • Patent Document 1 discloses a drive device that drives a baffle with a servo motor and a ball screw.
  • This drive unit can freely adjust the baffle drive speed, so it can certainly reduce the rough impact when the baffle descends and reduce the occurrence of lip, but the baffle speed is slightly slower. The production efficiency becomes worse.
  • the apparatus becomes very expensive, and there is a disadvantage that existing facilities cannot be used at all.
  • the object of the present invention is to control the baffle descending speed and suppress the occurrence of lip without reducing the glass bottle production efficiency.
  • Another object of the present invention is to develop a baffle drive device that is simple in structure and can be manufactured at low cost, and that can be easily modified from an existing baffle drive device.
  • the present invention has a vertical shaft with a baffle attached and an air cylinder that drives the shaft up and down, and two exhaust pipes through which exhaust gas is exhausted when the shaft is driven downward are provided.
  • the baffle driving device is characterized in that the shaft descending speed can be changed by providing a switching valve for switching between which system exhaust pipe is passed.
  • the baffle driving device of the present invention can switch the descent speed of the baffle, in the secondary descent of the baffle in FIG. 4, by reducing the descent speed just before the baffle contacts the rough mold, the impact applied to the rough mold is reduced.
  • the number of mouthpieces can be reduced and reduced. Since the baffle primary descent shown in Fig. 2 is before the parison mouth is molded, the baffle descent speed can be greatly increased compared to the conventional method regardless of the lip even if there is a strong impact on the rough mold. Therefore, the time required for molding can be shortened compared to the conventional method.
  • the switching valve includes a cylindrical main body, a piston that slides in the main body, and an urging means for the piston.
  • the piston includes flanges at both end portions and an intermediate portion.
  • One cylindrical space is divided, and one exhaust inlet is formed in the peripheral wall of the main body at a position communicating with each cylindrical space regardless of the position of the piston, and the cylindrical space communicated depending on the position of the piston
  • a single exhaust outlet is formed at different positions, a pilot air inlet is formed on one end face of the main body, and the urging means urges the piston in the direction of the pilot air inlet to introduce pilot air or not.
  • the invention of claim 2 is a specific example of the switching valve.
  • this switching valve By this switching valve, the system of the exhaust pipe through which the exhaust passes can be easily switched, and the descent speed of the baffle can be easily changed.
  • the present invention lowers the funnel on the rough mold, throws gob into the rough mold through the funnel, lowers the baffle on the funnel, performs settling blow, raises the baffle and funnel,
  • the parison is characterized in that when the baffle is lowered onto the rough mold and counter blow is performed, the baffle descending speed is lowered from the middle of the descent. This is a molding method.
  • This parison molding method can be easily implemented by the baffle driving device according to claim 1 or 2.
  • the baffle driving device in the secondary descent of the baffle, as shown in FIG. 8, when the lower end of the baffle is lowered to a predetermined position X, the baffle lowering speed is switched and slowed so that the impact applied to the rough mold is reduced and the time loss is reduced. Can be minimized.
  • the baffle driving device and the parison molding method of the present invention can reduce the impact of the baffle on the rough mold by switching the descent speed of the baffle, can suppress the occurrence of squeezing, and shorten the time required for molding compared to the conventional method. it can.
  • molding process It is explanatory drawing of a parison shaping
  • the baffle driving device of FIG. 5 has two exhaust pipes 8b and 8c when the baffle descends, compared to the conventional driving device of FIG. 10, and which exhaust pipe passes through which exhaust pipe? The difference is that the switching valve 10 can be switched. Therefore, remodeling from existing equipment is easy. Since the exhaust pipe 8c is throttled by the adjustment valve 9c, the exhaust pipe 8c is significantly narrower than the exhaust pipe 8b. The baffle descending speed is high when exhaust passes through the exhaust pipe 8b, and the baffle descends when exhaust passes through the exhaust pipe 8c. The speed is slow.
  • FIG. 6 is a cross-sectional view of the switching valve 10 when pilot air is not introduced
  • FIG. 7 is a similar view when pilot air is introduced.
  • the switching valve 10 has a piston 10a that slides inside the cylindrical main body, and the piston 10a is always urged rightward in the drawing by a coil spring 10h that is urging means.
  • Reference numeral 10g denotes a guide bar.
  • the piston 10a includes flanges 10b, 10c, and 10d at both end portions and an intermediate portion, and the two cylindrical spaces (the first cylindrical space 10e and the second cylindrical space 10f) are separated by the flanges.
  • the exhaust inlet connected to the exhaust pipe 8b always communicates with the first cylindrical space 10e regardless of the position of the piston 10a.
  • the exhaust inlet connected to the exhaust pipe 8c is always in communication with the second cylindrical space 10f regardless of the position of the piston 10a.
  • An exhaust pipe 8d is connected to the exhaust outlet, and communicates with the first cylindrical space 10e when the piston 10a in FIG. 6 is on the right side, and into the second cylindrical space 10f when the piston 10a in FIG. 7 is on the left side. Communicate.
  • a pilot air inlet is formed on one (right side) end face of the main body, and pilot air can be introduced from the pilot air supply unit 11.
  • pilot air can be introduced from the pilot air supply unit 11.
  • the piston 10a is located on the right side by the action of the spring 10h.
  • the exhaust outlet communicates with the first cylindrical space 10e
  • the exhaust is exhausted from the exhaust pipe 8b through the first cylindrical space 10e to the exhaust pipe 8d as shown by an arrow in FIG.
  • the exhaust pipe 8c communicates with the second cylindrical space 10f.
  • the second cylindrical space 10f has no exhaust outlet, the exhaust pipe 8c is not exhausted.
  • the piston 10a moves to the left position by the pressure of the pilot air as shown in FIG.
  • the exhaust outlet communicates with the second cylindrical space 10f
  • the exhaust is exhausted from the exhaust pipe 8c through the second cylindrical space 10f to the exhaust pipe 8d as shown by an arrow in FIG. .
  • the exhaust pipe 8b communicates with the first cylindrical space 10e.
  • the first cylindrical space 10e has no exhaust outlet, it is not exhausted from the exhaust pipe 8b.
  • the pilot air is not introduced into the switching valve 10, the exhaust passes through the exhaust pipe 8b, and the baffle descends while accelerating at a high speed. 4, the exhaust passes through the exhaust pipe 8b until the baffle reaches the position of the line X shown in FIG. 8, and the baffle descends while accelerating at a high speed.
  • the pilot air is introduced, and the exhaust gas passes through the exhaust pipe 8c.
  • the baffle speed is suddenly braked and connected to the rough mold 21 while decelerating.
  • FIG. 9 shows the result of measuring the vibration of the rough mold by attaching a vibration measuring instrument to the rough mold, and the case where the upper stage uses the baffle driving apparatus of the present invention and the lower stage uses the conventional driving apparatus.
  • Arrow A is the baffle primary descent
  • arrow B is the baffle secondary descent vibration.
  • the coarse vibration in the secondary descent of the baffle is extremely small.
  • the baffle driving device and the parison molding method of the present invention can increase the speed of the IS machine, and the number of glass bottles molded per unit time is increased by about 10 to 13%, thereby improving the glass bottle production efficiency. .

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
PCT/JP2011/055509 2011-03-09 2011-03-09 バッフル駆動装置及びパリソン成形方法 WO2012120663A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2011/055509 WO2012120663A1 (ja) 2011-03-09 2011-03-09 バッフル駆動装置及びパリソン成形方法
JP2011517127A JP4865931B1 (ja) 2011-03-09 2011-03-09 バッフル駆動装置及びパリソン成形方法
CN201180067955.3A CN103380090B (zh) 2011-03-09 2011-03-09 挡板驱动装置及型坯成型方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/055509 WO2012120663A1 (ja) 2011-03-09 2011-03-09 バッフル駆動装置及びパリソン成形方法

Publications (1)

Publication Number Publication Date
WO2012120663A1 true WO2012120663A1 (ja) 2012-09-13

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CN (1) CN103380090B (zh)
WO (1) WO2012120663A1 (zh)

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Publication number Priority date Publication date Assignee Title
WO2017163597A1 (ja) * 2016-03-25 2017-09-28 興亜硝子株式会社 ガラス容器の製造方法
CN110790480A (zh) * 2019-10-30 2020-02-14 浙江华兴玻璃有限公司 一种行列式制瓶机用高效落料吹气装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1030610A (ja) * 1996-04-04 1998-02-03 Emhart Glass Mach Investment Inc 空気圧装置
JP2007126295A (ja) * 2005-10-07 2007-05-24 Toyo Glass Kikai Kk バッフル、ファンネル又はブローヘッド駆動装置
JP2010089813A (ja) * 2008-10-07 2010-04-22 Toyo Glass Co Ltd ガラスびん

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6050172A (en) * 1997-04-04 2000-04-18 Emhart Glass S.A. Pneumatically operated mechanism
US6715320B2 (en) * 2000-12-05 2004-04-06 Vitro Corporativo, S.A. De C.V. Fluid administration system for the operation of cylinder and piston assemblies
DE202009003560U1 (de) * 2009-03-12 2010-07-22 Gps Glasproduktions-Service Gmbh Blaskopfmechanismus einer Glasmaschine
CN201382147Y (zh) * 2009-03-31 2010-01-13 山东嘉丰玻璃机械有限公司 一种带有插入式单向阀的气缸前盖
CN201381269Y (zh) * 2009-03-31 2010-01-13 山东嘉丰玻璃机械有限公司 一种漏斗臂双缓冲机构

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1030610A (ja) * 1996-04-04 1998-02-03 Emhart Glass Mach Investment Inc 空気圧装置
JP2007126295A (ja) * 2005-10-07 2007-05-24 Toyo Glass Kikai Kk バッフル、ファンネル又はブローヘッド駆動装置
JP2010089813A (ja) * 2008-10-07 2010-04-22 Toyo Glass Co Ltd ガラスびん

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JPWO2012120663A1 (ja) 2014-07-07
CN103380090B (zh) 2015-09-23
JP4865931B1 (ja) 2012-02-01
CN103380090A (zh) 2013-10-30

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