WO2011040318A1 - ガラス製品成形機 - Google Patents
ガラス製品成形機 Download PDFInfo
- Publication number
- WO2011040318A1 WO2011040318A1 PCT/JP2010/066497 JP2010066497W WO2011040318A1 WO 2011040318 A1 WO2011040318 A1 WO 2011040318A1 JP 2010066497 W JP2010066497 W JP 2010066497W WO 2011040318 A1 WO2011040318 A1 WO 2011040318A1
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- WO
- WIPO (PCT)
- Prior art keywords
- mold
- temperature
- cooling
- molds
- rough
- 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
- C03B9/00—Blowing glass; Production of hollow glass articles
- C03B9/30—Details of blowing glass; Use of materials for the moulds
- C03B9/38—Means for cooling, heating, or insulating glass-blowing machines or for cooling the glass moulded by the machine
- C03B9/3816—Means for general supply, distribution or control of the medium to the mould, e.g. sensors, circuits, distribution networks
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B7/00—Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob, e.g. controlling the gob shape, weight or delivery tact
- C03B7/02—Forehearths, i.e. feeder channels
- C03B7/06—Means for thermal conditioning or controlling the temperature of the glass
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- 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
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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
- C03B9/38—Means for cooling, heating, or insulating glass-blowing machines or for cooling the glass moulded by the machine
- C03B9/3875—Details thereof relating to the side-wall, body or main part of 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
- C03B9/38—Means for cooling, heating, or insulating glass-blowing machines or for cooling the glass moulded by the machine
- C03B9/3875—Details thereof relating to the side-wall, body or main part of the moulds
- C03B9/3883—Air delivery thereto, e.g. plenum, piping
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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
- C03B9/38—Means for cooling, heating, or insulating glass-blowing machines or for cooling the glass moulded by the machine
- C03B9/3891—Manifolds or regulating devices, e.g. valves, injectors
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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
- C03B9/40—Gearing or controlling mechanisms specially adapted for glass-blowing machines
- C03B9/41—Electric or electronic systems
Definitions
- the present invention relates to a glass product molding machine for molding glass products such as bottles.
- the present invention relates to a mold for controlling a mold temperature to a target value by applying cooling air to the mold.
- the present invention relates to a glass product molding machine equipped with a mold cooling device.
- cooling air is blown from both the rough molds 1A and 1B to the rough molds 1A and 1B from the opposite positions on the outside of the rough molds 1A and 1B.
- a pair of cooling mechanisms 3L and 3R of a cooling system is provided.
- a cooling air is introduced into a plurality of through holes that vertically penetrate the finishing molds 2A and 2B to cool the finishing molds 2A and 2B from the inside.
- Cooling mechanisms 4A and 4B are provided.
- the rough molds 1A and 1B and the finishing molds 2A and 2B are controlled so that the mold temperature becomes a target value by the action of the cooling air by the cooling mechanisms 3L, 3R, 4A, and 4B.
- One split mold 11 of one rough mold 1A is provided with a temperature sensor 5 for detecting the temperature of the mold embedded in the mold.
- the temperature sensor 5 outputs a temperature detection signal having a magnitude proportional to the temperature of the mold.
- the temperature detection signal is taken into the coarse temperature display 7 together with the temperature detection signals from other coarse temperature sensors, and the coarse temperature of all sections is individually displayed on a numeric display panel (not shown).
- a similar temperature sensor 6 is provided in one split mold of one finishing mold 2A.
- the temperature detection signal output from the temperature sensor 6 is taken into the finish type temperature indicator 8 together with the temperature detection signals from the other finish type temperature sensors, and the temperature of the finish type in all sections is individually displayed on a numeric display panel (not shown). Is displayed.
- the temperature detection signals of the rough mold 1A and the finish mold 2A of each section input to the rough mold temperature indicator 7 and the finish mold temperature indicator 8 are A / D converted, and each temperature data is taken into the temperature control device 9.
- the temperature control device 9 generates and outputs a switching control signal for controlling the opening / closing operation of the electromagnetic valves 31 and 41 of the valve mechanisms 30 and 40 based on the temperature data, and outputs the switching control signal to the cooling mechanisms 3L, 3R, 4A, and 4B.
- the amount of cooling air to be fed is adjusted, for example, depending on the valve opening time, that is, the cooling time.
- the gob As a cause of the temperature difference between the split molds 11 and 12, when the gob is supplied from the gob supply device, it is caused by the temperature difference of the molten glass around the spout or the variation of the temperature distribution of the molten glass in the feeder. Temperature difference occurs in the gob, while the gob is guided to the rough mold by the delivery mechanism, the gob is partially contacted with the delivery and cooled down, the gob has a temperature difference, and the gob is put into the rough mold Sometimes the gob is offset from the center of the rough mold to one side, so that the contact state with each split mold gob is uneven and a temperature difference occurs between the split molds 11 and 12, and the operation of the cooling mechanisms 3L and 3R is shifted. It is conceivable that a temperature difference occurs between the split molds 11 and 12 due to non-uniform cooling due to the above.
- the present invention has been made paying attention to the above problems, and prevents a temperature difference from occurring between a pair of split molds constituting a mold so as not to cause defects such as deformation of the molded product and cracks.
- a glass product molding machine that prevents the occurrence of defective products by preventing temperature differences between molds and preventing the size, thickness, and shape of molded products from becoming uneven. The purpose is to do.
- a first glass product molding machine includes a mold composed of a pair of split molds, and a mold cooling device that cools the mold and controls the temperature of the mold.
- the cooling device includes a cooling mechanism for each split mold that individually applies cooling air to each split mold of the mold, a valve mechanism that individually opens and closes a passage that guides the cooling air to each cooling mechanism, and at least one of the split molds.
- the temperature detecting means detects the temperature, and the temperature control device generates and outputs a control signal for controlling the opening / closing operation of each valve mechanism based on the temperature detection value by the temperature detecting means.
- the temperature of one or both of the split molds constituting the mold is detected by the temperature detecting means, and one or both of the temperature detection values are used for each split mold. Since the opening and closing operation of the valve mechanism of the passage that guides the cooling air to the cooling mechanism is individually controlled, the air volume of the cooling air by each cooling mechanism is individually adjusted according to the temperature of the split mold. Even if a difference occurs, the temperature difference is eliminated. Thereby, a temperature difference does not arise in a molded article, and generation
- the final mold in the bottle making machine for forming a glass bottle, is introduced by introducing a rough mold for forming a parison by introducing a gob or a parison transferred from the rough mold.
- the finishing mold that finishes the bottle in the form it also includes a mouth mold.
- “Cooling mechanism” is a mode in which cooling air is blown to the outer surface of the mold to cool the mold from the outside, or cooling air is introduced into a plurality of through holes that penetrate the mold to cool the mold from the inside. And the like.
- a thermocouple type temperature sensor is preferably used, but is not limited to this, and other types of temperature sensors may be used.
- the temperature sensor is installed in a state of being embedded in a mounting hole formed in the mold, but the installation method is not limited to this.
- the valve mechanism various forms such as an actuator using an air cylinder and a ball screw mechanism can be used.
- the “temperature control device” can be realized by a dedicated hardware circuit or by a programmed computer.
- the temperature detecting means is a temperature sensor for each split mold that individually detects the temperatures of both split molds, and the temperature control device is based on a temperature detection value by each temperature sensor. Control signals for controlling the opening / closing operation of each valve mechanism are generated and output.
- the temperature detecting means is a temperature sensor that detects the temperature of one of the split molds, and the temperature control device is configured to detect each valve mechanism based on a temperature detection value by the temperature sensor. A control signal for controlling the opening / closing operation is generated and output.
- a second glass product molding machine comprises at least two molds and a mold cooling device that cools each mold and controls the temperature of the mold, and the mold cooling
- the apparatus detects a temperature of at least one mold, a cooling mechanism for each mold that causes cooling air to individually act on each mold, a valve mechanism that individually opens and closes a passage that guides the cooling air to each cooling mechanism, and
- the temperature detection means and a temperature control device that generates and outputs a control signal for controlling the opening / closing operation of each valve mechanism based on a temperature detection value by the temperature detection means.
- the temperature of one mold or both molds is detected by the temperature detecting means, and the mold is determined based on the temperature detection value of one mold or both molds. Since the opening and closing operation of the valve mechanism of the passage that guides the cooling air to the cooling mechanism for each mold is individually controlled, the amount of cooling air by each cooling mechanism is adjusted according to the temperature of each mold. Even if a temperature difference occurs, the temperature difference is eliminated. Thereby, a temperature difference does not arise between molded products, and it is prevented that the size and shape of a molded product become non-uniform
- a third glass product molding machine comprises at least two molds comprising a pair of split molds, and a mold cooling device that cools each mold and controls the temperature of the mold.
- the mold cooling apparatus includes a first cooling mechanism for each split mold that individually applies cooling air to each split mold of the mold, and a first cooling mechanism for each mold that individually applies cooling air to each mold. 2 cooling mechanisms, a valve mechanism that individually opens and closes a passage for guiding cooling air to the first and second cooling mechanisms, and temperature detection that detects the temperature of at least one split mold and the temperature of at least one mold And a temperature control device that generates and outputs a control signal for controlling the opening / closing operation of each valve mechanism based on the temperature detection value by the temperature detection means.
- the temperature of one or both of the split molds constituting the mold is detected by the temperature detecting means, and one or both of the temperature detection values are used for each split mold. Since the opening and closing operation of the valve mechanism of the passage for guiding the cooling air to the first cooling mechanism is individually controlled, the amount of the cooling air by each cooling mechanism is adjusted according to the temperature of the split mold. Even if a temperature difference occurs, the temperature difference is eliminated. Thereby, a temperature difference does not arise in a molded article, and generation
- the temperature detection means detects the temperature of one mold or both molds, and based on the temperature detection value of one mold or both molds, the cooling air is sent to the second cooling mechanism for each mold. Since the opening and closing operation of the valve mechanism of the passage leading to the individual is controlled individually, the amount of cooling air by each cooling mechanism is adjusted according to the temperature of each mold, so even if a temperature difference occurs between the molds, The temperature difference is eliminated. Thereby, a temperature difference does not arise between molded products, and it is prevented that the size and shape of a molded product become non-uniform
- a glass product molding machine comprises a rough mold comprising a pair of split molds for introducing a lump of molten glass to form a parison and a finish comprising a pair of split molds for finishing the parison into a final bottle.
- a rough mold cooling device for controlling the temperature of the rough mold by cooling the mold, and a finishing mold cooling device for controlling the temperature of the finishing mold by cooling the finishing mold, the rough mold
- At least one of the cooling device and the finish type cooling device has a cooling mechanism for each split mold that individually applies cooling air to each of the rough mold or the finishing mold, and a passage that guides the cooling air to each cooling mechanism individually.
- a valve mechanism that opens and closes, a temperature detection means that detects the temperature of at least one of the rough mold and the finish mold, and a control signal that controls the opening and closing operation of each valve mechanism based on the temperature detection value by the temperature detection means, respectively
- a temperature control device that generates and outputs It is al configuration.
- the temperature detection means detects the temperature of one or both of the split molds constituting the rough mold or the finish mold, and based on one or both temperature detection values, Since the opening and closing operation of the valve mechanism of the passage for guiding the cooling air to the cooling mechanism is individually controlled, the air volume of the cooling air by each cooling mechanism is adjusted according to the temperature of the split mold. Even if it occurs, the temperature difference is eliminated. Thereby, a temperature difference does not arise in a molded article, and generation
- a glass product molding machine comprising at least two rough molds comprising a pair of split molds for introducing a molten glass mass to form a parison, and a pair for finishing the parison into a final bottle.
- At least two finishing molds comprising a split mold, a coarse cooling device for cooling each coarse mold to control the temperature of the coarse mold, and a finish mold cooling for controlling the temperature of the finish mold by cooling each finishing mold
- at least one of the coarse cooling device and the finishing die cooling device includes a cooling mechanism for each rough die or finishing die that individually applies cooling air to each rough die or each finishing die.
- a valve mechanism that individually opens and closes a passage for guiding cooling air to each cooling mechanism, a temperature detection means that detects the temperature of at least one of the rough mold and the finish mold, and a temperature detection value by the temperature detection means Open each valve mechanism based on And it is configured to control signals for controlling the operation of a temperature control unit for generating and outputting, respectively.
- the temperature detection means detects the temperature of one mold or both molds for the rough mold or the finish mold, and the temperature detection value of one mold or both molds.
- the opening / closing operation of the valve mechanism of the passage for guiding the cooling air to the cooling mechanism for each die is individually controlled, so that the amount of cooling air flow by each cooling mechanism is adjusted according to the temperature of each die Even if a temperature difference occurs between the rough molds and the finish mold, the temperature difference is eliminated. Thereby, a temperature difference does not arise between molded products, and it is prevented that the size and shape of a molded product become non-uniform
- a glass product molding machine comprising at least two rough molds comprising a pair of split molds for introducing a molten glass mass to form a parison, and a pair for finishing the parison into a final bottle.
- At least two finishing molds comprising a split mold, a coarse cooling device for cooling each coarse mold to control the temperature of the coarse mold, and a finish mold cooling for controlling the temperature of the finish mold by cooling each finishing mold Device.
- the rough cooling device includes at least one of a cooling mechanism for each split mold that individually applies cooling air to each split mold of each rough mold, and a valve mechanism that individually opens and closes a passage that guides the cooling air to each cooling mechanism.
- the temperature detecting means detects the temperature of one or both of the split molds constituting the rough mold, and the cooling mechanism for each split mold is detected based on the temperature detection value of one or both. Since the opening and closing operation of the valve mechanism of the passage for guiding the cooling air is individually controlled, the air volume of the cooling air by each cooling mechanism is adjusted according to the temperature of the split mold, so that even if a temperature difference occurs between the split molds The temperature difference is eliminated. Thereby, a temperature difference does not arise in a parison, and generation
- a passage for detecting the temperature of one finishing mold or both finishing molds by means of temperature detection means and guiding cooling air to the cooling mechanism for each finishing mold based on the temperature detection value of one finishing mold or both finishing molds The valve mechanism is controlled individually, so that the amount of cooling air from each cooling mechanism is adjusted according to the temperature of each finishing mold. Is resolved. Thereby, there is no temperature difference between the molded products of the glass product, and the size and shape of the molded product are prevented from becoming non-uniform.
- the present invention since a temperature difference is not generated between the pair of split molds constituting the mold, it is possible to prevent the occurrence of defects such as parison deformation and cracks. Further, since the temperature difference is prevented from occurring between the molds, the shape and size of the parison can be prevented from becoming uneven, and the occurrence of defective products can be prevented.
- heat transfer for detecting the temperature of each split mold is performed on both split molds 11 and 12 of one rough mold 1A of each section S and one split mold 22 of both finish molds 2A and 2B.
- Pair type temperature sensors 5R, 5L, 6A, and 6B are provided by being embedded in the mold.
- Each temperature sensor 5R, 5L, 6A, 6B outputs an analog amount of temperature detection signal (for example, a current value) having a magnitude proportional to the split type temperature.
- the temperature sensors 5R, 5L, 6A, and 6B may be other than the thermocouple type.
- Each rough type control unit 91L, 91R is based on the current temperature data fetched from each of the first and second rough type temperature indicators 7L, 7R, and the solenoid valves 31L, 31R of the valve mechanisms 30L, 30R described later.
- the amount of cooling air for individually cooling one split mold 11 and the other split mold 12 for both rough molds 1A and 1B. are set according to the opening time of the valve, that is, the cooling time.
- the operator terminal 90 shown in FIGS. 1 and 2 inputs the temperature target value and the coefficient used for calculation by PID control to the temperature control device 9 and sets the current value obtained by the temperature control device 9. It is for displaying data such as mold temperature and control status.
- Air supply / intake pipes 35R, 35L are connected to the air supply paths to the air cylinders 33R, 33L, respectively.
- the air supply / intake pipes 35R, 35L are connected to the air supply pipes 34R, 34L and the exhaust pipes 36R, via electromagnetic valves 31R, 31L. 36L is switched and connected.
- the air supply pipes 34R and 34L communicate with the compressor, and the exhaust pipes 36R and 36L are open to the atmosphere.
- the solenoid valves 31R and 31L are switched to one side, air is supplied from the compressor to the air cylinders 33R and 33L through the air supply pipes 34R and 34L and the air lead-in / in pipes 35R and 35L.
- the solenoid valves 31R and 31L are switched to the other, the air supplied to the air cylinders 33R and 33L passes outside through the air lead-in / in pipes 35R and 35L and the exhaust pipes 36R and 36L.
- FIG. 8 shows a schematic configuration of the finish type cooling device Y for each section.
- 2A and 2B are finishing dies, and cooling air is introduced into a plurality of through holes that vertically penetrate the finishing dies 2A and 2B to cool the finishing dies 2A and 2B from the inside.
- One cooling mechanism 4A provides cooling air to the inside of both split molds 21 and 22 of one finishing mold 2A
- the other cooling mechanism 4B provides cooling air to the inside of both split molds 21 and 22 of the other finishing mold 2B. Introduce and cool each finishing mold 2A, 2B individually.
- a “stack cooling” system can be used instead of the system shown in the drawing.
- Each of the cooling mechanisms 3R and 3L of the above-described coarse cooling device X of this embodiment blows cooling air to the outer surface of each of the split molds 11 and 12 of the rough molds 1A and 1B, and each split mold 11 is divided into two. , 12 is cooled from the outside, as in the embodiment shown in FIG. 9, a plurality of through-holes (through dotted lines in the figure) that vertically penetrate each split mold 11, 12 of each rough mold 1A, 1B. It may be based on a “Berty flow” system in which cooling air is introduced into each of the molds 11 and 12 through the chambers 13A, 14A and 13B and 14B to cool the split molds 11 and 12 from the inside.
- a temperature sensor 5 is provided in one split mold 11 of one rough mold 1A, and based on the current temperature data by this one temperature sensor 5 and a predetermined offset value, the blank mold 1A, has set a cooling time S L for one split mold 11 cooling time S R and two blank mold 1A for cooling of 1B, and 1B other split mold 12 of the cooling
- temperature sensors 5A and 5B are provided in one split mold 11 of each of the rough molds 1A and 1B, and a cooling mechanism 3L for each split mold by the “Berty flow” method.
- the cooling control for each split mold and each rough mold is performed based on the temperature detection values by the three temperature sensors 50, 51, 52.
- the cooling control is performed for each split mold and each rough mold based on the temperature detection value by one temperature sensor 5 and a predetermined offset value.
- the split molds 11 and 12 of the two rough molds 1A and 1B are performed by the first cooling mechanisms 3L and 3R for each split mold based on the temperature detection value by the temperature sensor 5 and the predetermined offset value.
- the temperature of one split mold 22 of both finishing molds 2A and 2B is detected by two temperature sensors 6A and 6B, and cooling air is supplied to the cooling mechanisms 4A and 4B for each finishing mold based on the detected temperature values.
- the amount of cooling air (cooling time) by the cooling mechanisms 4A and 4B is adjusted according to the temperature of the finishing molds 2A and 2B. Even if a temperature difference occurs between the finishing molds 2A and 2B, the temperature difference is eliminated. Thereby, a temperature difference does not occur between the molded bottles, and the size and shape of the bottles are prevented from becoming uneven.
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- Organic Chemistry (AREA)
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
Abstract
Description
各セクションで次々に製造されるびんはびん搬送路のコンベヤ上へ送り出され、徐冷工程および検査工程を経て最終の包装工程まで搬送される。検査工程では検査機や目視によるびんの検査が実行され、びんに欠陥があるかどうかが判別される。
一方の仕上型2Aの一方の割型にも同様の温度センサ6が設けられている。温度センサ6が出力する温度検出信号は他の仕上型の温度センサからの温度検出信号とともに仕上型温度表示器8に取り込まれ、全てのセクションの仕上型の温度が図示しない数字表示盤に個別に表示される。
また、一方の金型または双方の金型の温度を温度検出手段により検出し、一方の金型または双方の金型の温度検出値に基づいて、金型毎の第2の冷却機構へ冷却風を導く通路の弁機構の開閉動作を個別に制御するので、各冷却機構による冷却風の風量が各金型の温度に応じて調整される結果、たとえ金型間に温度差が生じても、その温度差が解消される。これにより、成形品間に温度差が生じることがなく、成形品の大きさや形状が不均一になるのが防止される。
また、一方の仕上型または双方の仕上型の温度を温度検出手段により検出し、一方の仕上型または双方の仕上型の温度検出値に基づいて、仕上型毎の冷却機構へ冷却風を導く通路の弁機構の開閉動作を個別に制御するので、各冷却機構による冷却風の風量が各仕上型の温度に応じて調整される結果、たとえ仕上型間に温度差が生じても、その温度差が解消される。これにより、ガラス製品の成形品間に温度差が生じることがなく、成形品の大きさや形状が不均一になるのが防止される。
この実施例の製びん機は、複数個(例えば10個)のセクションS(図中、一点鎖線で示す。)より成り、セクション毎に2個のびんを次々に製造して図示しないびん搬送路へ送り出すものである。各セクションSには、溶融ガラスの塊(ゴブ)を導入してパリソンを成形する2個の粗型1A,1Bと、各粗型1A,1Bより移送されたパリソンを最終形態のびんに仕上げる2個の仕上型2A,2Bとがそれぞれ備え付けられている。各粗型1A,1Bは2つ割り構造であって、一対の割型11,12により構成されている。また、仕上型2A,2Bも2つ割り構造であって、同様に、一対の割型21,22により構成されている。
なお、この発明は、セクション数が1個の製びん機についても適用できる。また、ひとつのセクションにおける粗型および仕上型は、必ずしも2個1組である必要はなく、例えば3個1組、4個1組であってもよい。さらに、この発明は、ひとつのセクションにおける粗型および仕上型がそれぞれ1個のものにも適用できる。
粗型1Aの一方の割型11に設けられた温度センサ5Rの温度検出信号は第1の粗型温度表示器7Rに、他方の割型12に設けられた温度センサ5Lの温度検出信号は第2の粗型温度表示器7Lに、それぞれ入力される。また、一方の仕上型2Aの一方の割型22に設けられた温度センサ6Aの温度検出信号は第1の仕上型温度表示器8Aに、他方の仕上型2Bの一方の割型22に設けられた温度センサ6Bの温度検出信号は第2の仕上型温度表示器8Bに、それぞれ入力される。
各仕上型制御ユニット92A,92Bは、第1、第2の各仕上型温度表示器8A,8Bより取り込んだ現在温度データに基づいて、後述する各弁機構40A,40Bの電磁弁41A,41Bの開閉動作を制御する切替制御信号を生成して出力することにより、一方の仕上型2Aと他方の仕上型2Bとを個別に冷却するためのそれぞれの冷却風の風量を、弁の開放時間、すなわち、冷却時間によってそれぞれ設定している。
前記のPID制御は、比例制御と積分制御と微分制御とが組み合わさったもので、このPID制御による演算はプログラムされたコンピュータ(MPU93)によって実行される。なお、PID制御による演算を実行して冷却時間Sを算出することは公知であり(特許文献1参照)、ここでは詳細な説明を省略する。
同図において、1A,1Bは粗型、11,12は各粗型1A,1Bを構成する割型であり、2個の粗型1A,1Bを挟んで「スタッククーリング」と呼ばれる方式の冷却機構3R,3Lが対向して配置されている。一方の冷却機構3Rは2個の粗型1A,1Bの一方の割型11,11の外面に、他方の冷却機構3Lは他方の割型12,12の外面に、それぞれ冷却風を吹き付けて2個づつの各割型11,12を個別に冷却する。なお、図7において、100A,100Bはパリソンの口部を成形するための2つ割り構造の口型であり、それぞれ一対の割型101,102により構成されている。
同図において、2A,2Bは仕上型であり、各仕上型2A,2Bを上下に貫通する複数の貫通孔へ冷却風を導入して各仕上型2A,2Bを内部より冷却する「バーティーフロー」と呼ばれる方式の冷却機構4A,4Bが設けられている。一方の冷却機構4Aは一方の仕上型2Aの双方の割型21,22の内部に、他方の冷却機構4Bは他方の仕上型2Bの双方の割型21,22の内部に、それぞれ冷却風を導入して各仕上型2A,2Bを個別に冷却する。なお、冷却機構4A,4Bは、図示例の方式に代えて、「スタッククーリング」の方式のものを用いることができる。
電磁弁41A,41Bが他方に切り替わると、コンプレッサーより空気供給管44A,44Bおよび第2の空気導出入管46A,46Bを経て空気がエアーシリンダ43A,43Bの第2室へ供給されるとともに、第1室の空気が第1の空気導出入管45A,45Bおよび排気管47A,47Bを経て外部へ抜ける。
また、上記の粗型冷却装置Xや仕上型冷却装置Yの構成は、口型の冷却やプランジャーの冷却にも用いることが可能である。図10に示す口型冷却装置Zは、2個の口型100A,100Bの各割型101,102を個別に冷却するものであり、図6に示した実施例と同様の冷却機構3R,3Lと、図9に示した実施例と同様の弁機構30R,30Lとが用いられている。
図11に示す粗型冷却装置Xは、2個の粗型1A,1Bの各割型11,12へ個別に冷却風を作用させる割型毎の冷却機構3R,3Lと、各冷却機構3R,3Lへ冷却風を導く通路を個別に開閉する弁機構30R,30Lと、一方の粗型1Aの一方の割型11の温度を検出する1個の温度センサ5と、温度センサ5の温度検出信号を入力してデジタル量の現在温度データに変換する粗型温度表示器7と、現在温度データと所定のオフセット値とに基づいて各弁機構30R,30Lの開閉動作を制御する切替制御信号をそれぞれ生成して出力する温度制御装置9とで構成されている。
これらの切替制御信号を各弁機構30R,30Lの電磁弁31R,31Lへ出力することにより、図13(1)に示すように、2個の粗型1A,1Bの一方の割型11を冷却するための弁機構30Rの開放時間、すなわち、冷却時間SRと、2個の粗型1A,1Bの他方の割型12を冷却するための弁機構30Lの開放時間、すなわち、冷却時間SLとが設定される。
なお、弁機構30Lは弁機構30Rと同じt1のタイミングで開き、t2よりオフセット値TLだけ遅いタイミングで閉じるようにしてもよい。
これらの切替制御信号を各弁機構40A,40Bの電磁弁41A,41Bへ出力することにより、図13(2)に示すように、一方の仕上型2Aを冷却するための弁機構40Aの開放時間、すなわち、冷却時間SAと、他方の仕上型2Bを冷却するための弁機構40Bの開放時間、すなわち、冷却時間SBとが設定される。なお、図中、TBはオフセット値である。
なお、図15に、各弁機構30R,30Lとして電磁弁31R,31Lのみを、また、各弁機構30A,30Bとして電磁弁31A,31A,31B,31Bのみを、それぞれ示しているが、各弁機構の構成は上記したいずれかの実施例のものと同様である。よって、ここでは図示並びに説明を省略する。
また、この実施例では、粗型毎の第2の冷却機構3A,3Bとして4個の弁機構30A,30Bを用いているが、これに代えて、次に説明する図16の実施例のように、2個の弁機構をもって構成することも可能である。
この実施例では、温度センサ5による温度検出値と所定のオフセット値とに基づいて、割型毎の第1の冷却機構3L,3Rによって2個の粗型1A,1Bの各割型11,12をそれぞれ冷却するための冷却時間SR,SLを算定し、温度センサ5による現在温度データと他の所定のオフセット値とに基づいて、粗型毎の第2の冷却機構3A,3Bによって各粗型1A,1Bの両割型11,12をそれぞれ冷却するための冷却時間SA,SBを算定している。
なお、図11,12に示した実施例では、温度センサ6が粗型冷却装置Xと仕上型冷却装置Yとでそれぞれ1個づつで済み、コストを低減できる。
2A,2B 仕上型
3R,3L,4A,4B 冷却機構
5R,5L,6A,6B,5,6,5A,5B,50,51,52 温度センサ
9 温度制御装置
11,12 割型
X 粗型冷却装置
Y 仕上型冷却装置
Z 口型冷却装置
Claims (10)
- 一対の割型より成る金型と、金型を冷却して金型の温度を制御する金型冷却装置とを備えたガラス製品成形機において、
前記金型冷却装置は、金型の各割型へ個別に冷却風を作用させる割型毎の冷却機構と、各冷却機構へ冷却風を導く通路を個別に開閉する弁機構と、少なくとも一方の割型の温度を検出する温度検出手段と、温度検出手段による温度検出値に基づいて各弁機構の開閉動作を制御する制御信号をそれぞれ生成して出力する温度制御装置とから構成されて成るガラス製品成形機。 - 前記温度検出手段は、双方の割型の温度を個々に検出する割型毎の温度センサであり、前記温度制御装置は、各温度センサによる温度検出値に基づいて各弁機構の開閉動作を制御する制御信号をそれぞれ生成して出力する請求項1に記載されたガラス製品成形機。
- 前記温度検出手段は、一方の割型の温度を検出する温度センサであり、前記温度制御装置は、前記温度センサによる温度検出値に基づいて各弁機構の開閉動作を制御する制御信号をそれぞれ生成して出力する請求項1に記載されたガラス製品成形機。
- 少なくとも2個の金型と、各金型を冷却して金型の温度を制御する金型冷却装置とを備えたガラス製品成形機において、
前記金型冷却装置は、各金型へ個別に冷却風を作用させる金型毎の冷却機構と、各冷却機構へ冷却風を導く通路を個別に開閉する弁機構と、少なくとも一方の金型の温度を検出する温度検出手段と、温度検出手段による温度検出値に基づいて各弁機構の開閉動作を制御する制御信号をそれぞれ生成して出力する温度制御装置とから構成されて成るガラス製品成形機。 - 前記温度検出手段は、双方の金型の温度を個々に検出する金型毎の温度センサであり、前記温度制御装置は、各温度センサによる温度検出値に基づいて各弁機構の開閉動作を制御する制御信号をそれぞれ生成して出力する請求項4に記載されたガラス製品成形機。
- 前記温度検出手段は、一方の金型の温度を検出する温度センサであり、前記温度制御装置は、前記温度センサによる温度検出値に基づいて各弁機構の開閉動作を制御する制御信号をそれぞれ生成して出力する請求項4に記載されたガラス製品成形機。
- 一対の割型より成る少なくとも2個の金型と、各金型を冷却して金型の温度を制御する金型冷却装置とを備えたガラス製品成形機において、
前記金型冷却装置は、金型の各割型へ冷却風を個別に作用させる割型毎の第1の冷却機構と、各金型へ冷却風を個別に作用させる金型毎の第2の冷却機構と、第1、第2の各冷却機構へ冷却風を導く通路を個別に開閉する弁機構と、少なくとも一方の割型の温度と少なくとも一方の金型の温度を検出する温度検出手段と、温度検出手段による温度検出値に基づいて各弁機構の開閉動作を制御する制御信号をそれぞれ生成して出力する温度制御装置とから構成されて成るガラス製品成形機。 - 溶融ガラスの塊を導入してパリソンを成形する一対の割型より成る粗型と、パリソンを最終形態のびんに仕上げる一対の割型より成る仕上型と、粗型を冷却して粗型の温度を制御する粗型冷却装置と、仕上型を冷却して仕上型の温度を制御する仕上型冷却装置とを備えたガラス製品成形機において、
前記粗型冷却装置と仕上型冷却装置との少なくとも一方は、粗型または仕上型の各割型へ個別に冷却風を作用させる割型毎の冷却機構と、各冷却機構へ冷却風を導く通路を個別に開閉する弁機構と、粗型または仕上型の少なくとも一方の割型の温度を検出する温度検出手段と、温度検出手段による温度検出値に基づいて各弁機構の開閉動作を制御する制御信号をそれぞれ生成して出力する温度制御装置とから構成されて成るガラス製品成形機。 - 溶融ガラスの塊を導入してパリソンを成形する一対の割型より成る少なくとも2個の粗型と、パリソンを最終形態のびんに仕上げる一対の割型より成る少なくとも2個の仕上型と、各粗型を冷却して粗型の温度を制御する粗型冷却装置と、各仕上型を冷却して仕上型の温度を制御する仕上型冷却装置とを備えたガラス製品成形機において、
前記粗型冷却装置と仕上型冷却装置との少なくとも一方は、各粗型または各仕上型へ個別に冷却風を作用させる粗型毎または仕上型毎の冷却機構と、各冷却機構へ冷却風を導く通路を個別に開閉する弁機構と、少なくとも一方の粗型または仕上型の少なくとも一方の割型の温度を検出する温度検出手段と、温度検出手段による温度検出値に基づいて各弁機構の開閉動作を制御する制御信号をそれぞれ生成して出力する温度制御装置とから構成されて成るガラス製品成形機。 - 溶融ガラスの塊を導入してパリソンを成形する一対の割型より成る少なくとも2個の粗型と、パリソンを最終形態のびんに仕上げる一対の割型より成る少なくとも2個の仕上型と、各粗型を冷却して粗型の温度を制御する粗型冷却装置と、各仕上型を冷却して仕上型の温度を制御する仕上型冷却装置とを備えたガラス製品成形機において、
前記粗型冷却装置は、各粗型の各割型へ個別に冷却風を作用させる割型毎の冷却機構と、各冷却機構へ冷却風を導く通路を個別に開閉する弁機構と、少なくとも一方の粗型の少なくとも一方の割型の温度を検出する温度検出手段と、温度検出手段による温度検出値に基づいて各弁機構の開閉動作を制御する制御信号をそれぞれ生成して出力する温度制御装置とから構成され、
前記仕上型冷却装置は、各仕上型へ個別に冷却風を作用させる仕上型毎の冷却機構と、各冷却機構へ冷却風を導く通路を個別に開閉する弁機構と、少なくとも一方の仕上型の少なくとも一方の割型の温度を検出する温度検出手段と、温度検出手段による温度検出値に基づいて各弁機構の開閉動作を制御する制御信号をそれぞれ生成して出力する温度制御装置とから構成されて成るガラス製品成形機。
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EP10820436.3A EP2484642B1 (en) | 2009-09-30 | 2010-09-24 | Glass product molding machine |
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KR20120038995A (ko) | 2012-04-24 |
EP2484642A1 (en) | 2012-08-08 |
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US20120186301A1 (en) | 2012-07-26 |
US9598300B2 (en) | 2017-03-21 |
KR101441592B1 (ko) | 2014-09-23 |
EP2484642A4 (en) | 2015-06-03 |
JP5995443B2 (ja) | 2016-09-21 |
EP2484642B1 (en) | 2020-09-02 |
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