DE29724025U1 - Device for thermoforming thermoplastics - Google Patents

Device for thermoforming thermoplastics

Info

Publication number
DE29724025U1
DE29724025U1 DE29724025U DE29724025U DE29724025U1 DE 29724025 U1 DE29724025 U1 DE 29724025U1 DE 29724025 U DE29724025 U DE 29724025U DE 29724025 U DE29724025 U DE 29724025U DE 29724025 U1 DE29724025 U1 DE 29724025U1
Authority
DE
Germany
Prior art keywords
blank
radiation
radiation source
intensity
molding
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE29724025U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Advanced Photonics Technologies AG
Original Assignee
INDUSTRIESERVIS GES fur INNOV
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 INDUSTRIESERVIS GES fur INNOV filed Critical INDUSTRIESERVIS GES fur INNOV
Priority to DE29724025U priority Critical patent/DE29724025U1/en
Priority claimed from DE1997136462 external-priority patent/DE19736462C2/en
Publication of DE29724025U1 publication Critical patent/DE29724025U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/42—Heating or cooling
    • B29C51/421—Heating or cooling of preforms, specially adapted for thermoforming
    • B29C51/422—Heating or cooling of preforms, specially adapted for thermoforming to produce a temperature differential
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/0288—Controlling heating or curing of polymers during moulding, e.g. by measuring temperatures or properties of the polymer and regulating the process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/64—Heating or cooling preforms, parisons or blown articles
    • B29C49/6409—Thermal conditioning of preforms
    • B29C49/6418—Heating of preforms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/64—Heating or cooling preforms, parisons or blown articles
    • B29C49/6409—Thermal conditioning of preforms
    • B29C49/6436—Thermal conditioning of preforms characterised by temperature differential
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0822—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using IR radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/78—Measuring, controlling or regulating

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (16)

1. Vorrichtung zum Warmverformen von Thermoplasten, wobei ein Rohling, Preform oder dergleichen Halbzeug auf eine Ver­ formungstemperatur aufgewärmt und durch eine Formein­ richtung, insbesondere eine Blas(-Streck) Einrichtung, eine Tiefzieheinrichtung oder dergleichen Formwerkzeug verformt wird und wobei der Rohling mit einer Strahlung definierter Intensität einer Strahlungsquelle beaufschlagt wird, die ein Intensitätsmaximum in einem Emissionswellenlängenbereich aufweist, der im Infrarot liegt, dadurch gekennzeichnet, daß der Emissionswellenlängenbereich 0,8-1,0 µm Wellenlänge beträgt und daß die Strahlung derart über die Oberfläche des Rohlings verteilt in den Rohling eingestrahlt wird, daß ein definiertes Temperaturprofil entlang seiner Oberfläche eingestellt wird.1. Device for thermoforming thermoplastics, wherein a blank, preform or the like semi-finished product is warmed to a deformation temperature and is deformed by a molding device, in particular a blowing (stretching) device, a deep-drawing device or similar molding tool, and wherein the blank is exposed to radiation Defined intensity of a radiation source is applied, which has an intensity maximum in an emission wavelength range which is in the infrared, characterized in that the emission wavelength range is 0.8-1.0 µm wavelength and that the radiation is distributed over the surface of the blank in the blank it is irradiated that a defined temperature profile is set along its surface. 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Strahlung mittels optischer Einrichtungen, insbeson­ dere Spiegel, Gitter oder dergleichen Einrichtungen der Strahlung-Optik derart verteilt dem Rohling zugeführt wird, daß ein der Formeinrichtung angepaßtes Temperatur­ profil innerhalb des Rohlings nach Ablauf eines definierten Zeitraums eingestellt wird.2. Device according to claim 1, characterized in that the radiation by means of optical devices, in particular mirrors, gratings or similar devices Radiation optics distributed to the blank in this way is that a temperature adapted to the molding device profile within the blank after a defined period is set. 3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Wellenlänge des Intensitätsmaximums durch Regelung der Temperatur der Strahlungsquelle eingestellt wird. 3. Device according to claim 1 or 2, characterized in that the wavelength of the intensity maximum by regulation the temperature of the radiation source is set.   4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Intensität durch Einstellung, insbesondere durch Regelung einer Entfernung zwischen der Strahlungsquelle und dem Rohling und/oder eine optische Filtereinrichtung wie Gitter und/oder Graufilter und/oder durch Choppereinrichtung eingestellt wird.4. Device according to one of claims 1 to 3, characterized in that the intensity through adjustment, especially through Regulation of a distance between the radiation source and the blank and / or an optical filter device such as gratings and / or gray filters and / or through Chopper device is set. 5. Vorrichtung nach einem der Ansprüche 1 bis 4 zur Herstellung von PET-Flaschen, dadurch gekennzeichnet, daß der Rohling nicht länger als 10s, vorzugsweise nicht länger als 5 s mit Strahlung beaufschlagt wird.5. Device according to one of claims 1 to 4 for Manufacture of PET bottles, characterized in that the blank not longer than 10s, preferably not is exposed to radiation for longer than 5 s. 6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß der Rohling im wesentlichen unmittelbar nach der Beauf­ schlagung mit der Strahlung ohne wesentliche strahlungsbeaufschlagungsfreie Verweildauer im Formwerkzeug, insbesondere in einer Blas-Streck- Einrichtung verformt wird.6. The device according to claim 5, characterized in that the blank essentially immediately after the Beauf beating with the radiation without essential radiation exposure-free stay in Molding tool, especially in a blow-stretch Device is deformed. 7. Vorrichtung nach einem der Ansprüche 1 bis 5 zur Herstellung von Tiefziehteilen, dadurch gekennzeichnet, daß der Rohling mit einem, im wesentlichen kalten Werkzeug ohne wesentliche Wärmezufuhr von dem Werkzeug auf den Rohling verformt wird.7. Device according to one of claims 1 to 5 for Manufacture of deep-drawn parts, characterized in that the blank with an essentially cold tool without significant heat from the tool to the Blank is deformed. 8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, daß der Rohling in einem einzigen Ziehvorgang geformt wird.8. The device according to claim 7, characterized in that the blank is formed in a single drawing process. 9. Vorrichtung zum Warmverformen von Thermoplasten, umfassend eine Wärmezuführeinrichtung, zum Erwärmen eines Rohlings, Preform oder dergleichen Halbzeug auf eine Verformungstemperatur und eine Formeinrichtung, insbesondere eine Blas(-Streck)Einrichtung, eine Tiefzieheinrichtung oder dergleichen Formwerkzeug zum Verformen des aufgewärmten Rohlings, wobei die Erwärmungseinrichtung eine Strahlungsquelle aufweist, die mit einer Regeleinrichtung zum Regeln eines Emissions-Spektrums der Strahlungsquelle derart ausgestattet ist, daß ein Intensitätsmaximum der Strahlungsquelle im Infrarot liegt, dadurch gekennzeichnet, daß das Intensitätsmaximum im Emissionswellenlängenbereich von 0,8-1,0 µm liegt und daß eine strahlungsoptische Ablenkeinrichtung zur Ablenkung zumindest eines Teils der emittierten Strahlung der Strahlungsquelle in Richtung eines definierten Bereiches der Rohlingsoberfläche vorgesehen ist, um ein definiertes T- Profil entlang der Rohlingsoberfläche einzustellen.9. Device for thermoforming thermoplastics, comprising a heat supply device for heating  of a blank, preform or the like semi-finished product a deformation temperature and a molding device, in particular a blow (stretch) device, a Deep-drawing device or the like molding tool Deforming the heated blank, whereby the heating device is a radiation source has with a control device for controlling an emission spectrum of the radiation source is equipped that an intensity maximum of Radiation source is in the infrared, characterized in that the intensity maximum in the emission wavelength range of 0.8-1.0 µm and that a radiation optical Deflection device for deflecting at least one part the radiation emitted by the radiation source in Direction of a defined area of the Blank surface is provided to a defined T Adjust the profile along the blank surface. 10. Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, daß die Strahlungsquelle eine Halogenlampe oder dergleichen Strahlungseinrichtung mit einem Heizelement umfaßt, und daß die Regelung einen Stromregler zur Einstellung und Regelung der Temperatur der Strahlungseinrichtung, insbesondere einer Wendel der Halogenlampe umfaßt.10. The device according to claim 9, characterized in that the radiation source is a halogen lamp or the like Radiation device comprising a heating element, and that the regulation a current regulator for setting and Regulation of the temperature of the radiation device, in particular includes a filament of the halogen lamp. 11. Vorrichtung nach Anspruch 10, dadurch gekennzeichnet, daß eine Kühleinrichtung vorgesehen ist, um einen Sockel der Strahlungseinrichtung zu kühlen.11. The device according to claim 10, characterized in that a cooling device is provided around a base of the Cool the radiation device. 12. Vorrichtung nach einem der Ansprüche 9 bis 11, gekennzeichnet durch eine Intensitätsregelungseinrichtung zur Regelung der Intensität der dem Rohling zugeführten Energie, um­ fassend eine Entfernungs-Einstelleinrichtung zum Ein­ stellen einer Entfernung zwischen der Strahlungsquelle und dem Rohling und/oder eine optische Filtereinrichtung wie Gitter oder Graufilter und/oder Choppereinrichtungen.12. The device according to one of claims 9 to 11, marked by an intensity control device for controlling the  Intensity of the energy supplied to the blank in order including a distance setting device for setting represent a distance between the radiation source and the blank and / or an optical filter device like grids or gray filters and / or Chopper facilities. 13. Vorrichtung nach einem der Ansprüche 9 bis 12 zur Her­ stellung von PET-Flaschen, gekennzeichnet durch eine Zeiteinstelleinrichtung, die derart ausgebildet ist, daß dem Rohling eine Strahlung definierter Intensität über einen definierten Zeitraum zuführbar ist, der 10 sec, vorzugsweise 5 sec nicht wesentlich überschreitet.13. The device according to any one of claims 9 to 12 position of PET bottles, marked by a time setting device designed in this way is that the blank defines radiation Intensity can be supplied over a defined period the 10 sec, preferably 5 sec is not essential exceeds. 14. Vorrichtung nach einem der Ansprüche 9 bis 13 zur Her­ stellung von PET-Flaschen, dadurch gekennzeichnet, daß die Strahlungsquelle innerhalb einer im wesentlichen kontinuierlich arbeitenden Produktionsstraße im wesentlichen derart unmittelbar vor der Formeinrichtung angebracht ist, daß der Preform im wesentlichen unmittelbar nach der Beaufschlagung mit der Strahlung ohne wesentliche strahlungsbeaufschlagungsfreie Verweildauer im Formwerkzeug, insbesondere in einer Blas-Streck-Einrichtung verformt wird.14. The device according to any one of claims 9 to 13 position of PET bottles, characterized in that the radiation source within one essentially continuously working production line in the essentially such immediately before the molding device it is appropriate that the preform essentially immediately after exposure to the radiation without significant radiation-free Dwell time in the mold, especially in one Blow-stretching device is deformed. 15. Vorrichtung nach einem der Ansprüche 9 bis 12 zur Her­ stellung von Tiefziehteilen, dadurch gekennzeichnet, daß die Formeinrichtung im wesentlichen unbeheizt derart ausgebildet ist, daß der Rohling mit einem, im wesentlichen kalten Werkzeug ohne wesentliche Wärmezufuhr zur Temperaturerhöhung des Rohlings verformbar ist.15. The device according to any one of claims 9 to 12 provision of deep-drawn parts, characterized in that the molding device essentially unheated in this way is formed that the blank with a, in essential cold tool with no essential  Heat supply to increase the temperature of the blank is deformable. 16. Vorrichtung nach Anspruch 15, dadurch gekennzeichnet, daß ein einziges Tiefzieh-Werkzeug vorgesehen ist.16. The apparatus of claim 15, characterized in that a single deep-drawing tool is provided.
DE29724025U 1997-08-21 1997-08-21 Device for thermoforming thermoplastics Expired - Lifetime DE29724025U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29724025U DE29724025U1 (en) 1997-08-21 1997-08-21 Device for thermoforming thermoplastics

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29724025U DE29724025U1 (en) 1997-08-21 1997-08-21 Device for thermoforming thermoplastics
DE1997136462 DE19736462C2 (en) 1997-08-21 1997-08-21 Method and device for thermoforming thermoplastics

Publications (1)

Publication Number Publication Date
DE29724025U1 true DE29724025U1 (en) 1999-12-09

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2011617A1 (en) * 2007-07-02 2009-01-07 Carlsberg Breweries A/S A method of stretch-blow-moulding a product, a preform for use in the method and a product produced by the method
DE102007034486A1 (en) 2007-07-24 2009-02-05 Illig Maschinenbau Gmbh & Co. Kg Method for manufacturing of deep-drawn products from heated thermoplastic semi-finished part, involves performing complete heating of thermoplastic semi-finished part by microwave heating
EP2078602A1 (en) * 2008-01-09 2009-07-15 Carlsberg Breweries A/S A method of stretch-blow-moulding a beverage container
DE102008039375A1 (en) * 2008-08-22 2010-02-25 Krones Ag Method for manufacturing plastic containers, by premolding of plastic material, involves determining infrared absorption factor on area of plastic

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2011617A1 (en) * 2007-07-02 2009-01-07 Carlsberg Breweries A/S A method of stretch-blow-moulding a product, a preform for use in the method and a product produced by the method
EP2014432A1 (en) * 2007-07-02 2009-01-14 Carlsberg Breweries A/S A method of stretch-blow moulding a product, a preform for use in the method and a product produced by the method
DE102007034486A1 (en) 2007-07-24 2009-02-05 Illig Maschinenbau Gmbh & Co. Kg Method for manufacturing of deep-drawn products from heated thermoplastic semi-finished part, involves performing complete heating of thermoplastic semi-finished part by microwave heating
EP2078602A1 (en) * 2008-01-09 2009-07-15 Carlsberg Breweries A/S A method of stretch-blow-moulding a beverage container
WO2009086830A3 (en) * 2008-01-09 2009-09-17 Carlsberg Breweries A/S A method of stretch-blow-moulding a beverage container
US8241551B2 (en) 2008-01-09 2012-08-14 Carlsberg Breweries A/S Method of stretch-blow-moulding a beverage container
EA018043B1 (en) * 2008-01-09 2013-05-30 Карлсберг Брюириз А/С A method of stretch-blow-moulding a beverage container
DE102008039375A1 (en) * 2008-08-22 2010-02-25 Krones Ag Method for manufacturing plastic containers, by premolding of plastic material, involves determining infrared absorption factor on area of plastic

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