DE102004004657A1 - Energy efficient automatic molding machine for production of particulate foam products has no steam chamber and media distribution inside the tool - Google Patents
Energy efficient automatic molding machine for production of particulate foam products has no steam chamber and media distribution inside the tool Download PDFInfo
- Publication number
- DE102004004657A1 DE102004004657A1 DE200410004657 DE102004004657A DE102004004657A1 DE 102004004657 A1 DE102004004657 A1 DE 102004004657A1 DE 200410004657 DE200410004657 DE 200410004657 DE 102004004657 A DE102004004657 A DE 102004004657A DE 102004004657 A1 DE102004004657 A1 DE 102004004657A1
- Authority
- DE
- Germany
- Prior art keywords
- tool
- molding machine
- machine according
- automatic molding
- steam
- 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.)
- Withdrawn
Links
- 238000000465 moulding Methods 0.000 title claims abstract description 41
- 238000009826 distribution Methods 0.000 title claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 6
- 239000006260 foam Substances 0.000 title claims description 8
- 238000001816 cooling Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000011148 porous material Substances 0.000 claims abstract 4
- 239000000498 cooling water Substances 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 5
- 238000010097 foam moulding Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 claims description 2
- 238000011049 filling Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims 2
- 238000001704 evaporation Methods 0.000 claims 1
- 230000008020 evaporation Effects 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000007921 spray Substances 0.000 abstract 1
- 239000004794 expanded polystyrene Substances 0.000 description 8
- 238000003466 welding Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3415—Heating or cooling
- B29C44/3426—Heating by introducing steam in the mould
- B29C44/3434—Heating by introducing steam in the mould by using a sheet, grid, etc. to distribute the steam in the mould
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
- B29C33/04—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/58—Moulds
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Abstract
Description
Die vorliegende Erfindung bezieht sich auf den Aufbau eines Formteilautomaten zur Herstellung von Partikelschaumformteilen sowie der dazugehörigen Werkzeugtechnik.The The present invention relates to the structure of a molding machine for the production of particle foam moldings and the associated tool technology.
Formteilautomaten zur Herstellung von Partikelschaumformteilen sind nach Stand der Technik mit einer Dampfkammer ausgerüstet in die über Stellventile Dampf zugeführt wird. Der Dampf fließt über werkzeugseitige Dampfdüsen durch die Werkzeugkavität und führt zu einer Verschweißung der darin befindlichen Schaumstoffpartikel. Üblicherweise werden so Schaumstoffformteile aus expandiertem Polypropylen (EPP) und expandiertem Polystyrol (EPS) verarbeitet.Molding machines for the production of particle foam moldings are according to the Technology equipped with a steam chamber in the via control valves Steam supplied becomes. The steam flows through the tool side steam nozzles through the tool cavity and leads to a weld the foam particles contained therein. Usually, so are foam moldings expanded polypropylene (EPP) and expanded polystyrene (EPS) processed.
Die gängigen Formteilautomaten bieten durch einen derartigen Aufbau die Möglichkeit, in Rahmen einer gestaffelten Maschinengröße, unterschiedliche Werkzeuge mittels eines Aufspannrahmens in der Dampfkammer zu befestigen. Zum Einsatz kommen gefräste oder gegossene Werkzeugkavitäten in ein- oder mehrfachen Belegung.The common Automatic molding machines offer the possibility by such a structure in the context of a staggered machine size, different tools to fix in the steam chamber by means of a Aufspannrahmens. Milled are used or cast tool cavities in single or multiple occupancy.
Der überwiegende Teil der in Form von Dampf eingesetzten Energie beim Formteilprozess wird zum zyklischen Aufheizen des Werkzeugs und der umgebenden Dampfkammer benötigt und nach jedem Verschweißungsvorgang durch Kühlung abgeführt. Geringere Anteile gehen als Spül- und Übertragungsverluste oder Abstrahlung verloren.The predominant Part of the energy used in the form of steam in the molding process is for cyclically heating up the tool and the surrounding steam chamber needed and after each welding process by cooling dissipated. Lower levels are used as flushing and transmission losses or lost radiation.
Zur Reduzierung des erheblichen Energieaufwandes zur Bereitstellung des Heißdampfes wurden bereits verschieden Ansätze verfolgt.to Reduction of the considerable energy expenditure for the provision of the superheated steam have already been different approaches tracked.
Neben
einer wärmeisolierenden
Auskleidung der Dampfkammer ist vor allem die europäische Patentschrift
Nachteilig ist hierbei insbesondere die deutlich verschlechterte Wärmeleitung bei der Kühlung des Formteiles, vor allem aber die Beschränkung des Einsatzbereiches auf expandiertes Polystryrol. Die Beschichtung des Werkzeuges entspricht nicht den Anforderungen der höheren Schweißdrücke und -temperaturen, die bei der Verarbeitung von EPP gefordert werden. EPS wird bei Temperaturen um 110 °C und bei Drücken um 1,5 bar verarbeitet, während EPP entsprechend dem höheren Schmelzpunkt bei ca. 160 °C und bei bis zu 7,5 bar verarbeitet wird. Die im Einsatz befindliche Technik verwendet zumeist den beschriebenen Werkzeugaufbau innerhalb einer Dampfkammer. Die Werkzeuge müssen dabei auf die Dampfkammerabmasse angepasst sein.adversely Here, in particular, the significantly deteriorated heat conduction in the cooling of the Form part, but especially the limitation of the application on expanded polystyrene. The coating of the tool corresponds not the requirements of the higher Welding pressures and temperatures, which are required in the processing of EPP. EPS is added Temperatures around 110 ° C and when pressed processed at 1.5 bar while EPP according to the higher one Melting point at about 160 ° C and processed at up to 7.5 bar. The in use Technology usually uses the described tool design within a steam chamber. The tools must be on the Dampfkammerabmasse be adjusted.
Während der
Energieeinsatz durch die Isolation des Werkzeuges verringert ist,
geht die Dampfkammermasse selbst weiterhin in die Wärmebilanz ein.
Der in
Für den EPS-Bereich werden insbesondere durch die Firmen Hirsch und Kurtz Maschinen nach dem sogenannten Transferverfahren angeboten, bei denen Verschweißung und Kühlung der Formteile in jeweils unterschiedlichen Werkzeugen erfolgen. Hierbei werden die Formteile während des Prozesses automatisiert vom Verschweiß- in das Stabilisierwerkzeug übergeben wird. Das jeweilige Werkzeug mit zugehöriger Dampfkammer muss dabei nicht den gesamten Temperaturwechsel zwischen Verschweißungs- und Entformtemperatur mitmachen, sondern bleibt annähernd auf konstanter Temperatur.For the EPS area especially by the companies Hirsch and Kurtz Maschinen offered by the so-called transfer method, in which welding and cooling the moldings are made in different tools. in this connection the moldings are during the process automatically transferred from welding in the stabilizing tool becomes. The respective tool with associated steam chamber must be there not the entire temperature change between welding and Entformtemperatur join in, but remains approximately at a constant temperature.
Dieses Verfahren ist ebenfalls auf EPS beschränkt, da andere Partikelschäume nach der Bedampfung bzw. -verschweißung einen hohen Partikelinnendruck, den sogenannten Schaumdruck, aufweisen, der beim zwangsläufigen Öffnen der Form vor der Kühlung zum Aufplatzen der Formteils und der interpartikulären Schweißverbindungen führt.This Method is also limited to EPS, as other particle foams after vapor deposition or welding have a high particle internal pressure, the so-called foam pressure, the inevitable opening the Shape before cooling for bursting the molding and the interparticle welds leads.
Sämtlichen technischen Ausführungen zur Reduzierung des Energiebedarfes ist gemein, dass diese nur unzureichend den Wirkungsgrad des Formteilprozesses senken und diese nicht gleichwohl für EPP und EPS geeignet sind. Alle gängigen Maschinen bedingen aufgrund ihres erheblichen Dampfbedarfes bzw. der hohen Dampfentnahmemenge bei nahezu konstantem Druck eine separate, ausreichend große Dampferzeugungseinheit. Aufgrund der hohen Investitionskosten für einen derartigen Dampferzeuger und -speicher ist eine Formteilfertigung meist nur bei spezialisierten Formteilschäumern mit mehreren Formteilautomaten vorzufinden.all technical versions To reduce the energy demand is common that these are insufficient reduce the efficiency of the molding process and not this nevertheless for EPP and EPS are suitable. All common Machines require due to their considerable steam demand or the high vapor withdrawal rate at a nearly constant pressure a separate, big enough Steam generating unit. Due to the high investment costs for one such steam generator and storage is usually a molded part production only for specialized molded part foams with several molding machines to be found.
Der Erfindung lag daher die Aufgabe zugrunde, ein Formteilautomatenkonzept zur Verarbeitung von Partikelschäumen bereitzustellen, dessen Energiebedarf gegenüber dem Stand der Technik deutlich reduziert ist, eine Verarbeitung aller Schaumpartikeltypen ermöglicht, keine Erhöhung der Zyklus- bzw. Kühlzeiten bewirkt und keine die Werkzeugabmasse reglementierenden Umbauten beinhaltet, sowie die Möglichkeit einer kleineren, integrierten Dampferzeugungseinheit zulässt.Of the The invention was therefore based on the object, a molding machine concept for processing particle foams to provide the energy consumption compared to the prior art significantly reduced is, allows processing of all types of foam particles, no increase the cycle or cooling times causes and no reorganizing the tool dimensions includes, as well as the possibility a smaller, integrated steam generating unit allows.
Die erfindungsgemäße Aufgabe wurde dadurch gelöst, dass von einem elektrisch oder brennstoffbeheiztem Dampferzeuger als modulates Teil des gesamten Formteilautomaten mittels konvetionellen Dampfleitungen die Dampfeinspeisung direkt an das Werkzeug erfolgt und die Dampfverteilung im Werkzeug erfolgt. Es wird somit die komplette Dampfkammermasse eingespart wird. Eine besonders vorteilhafte Variante ist wärmeisolierende Auskleidung des Werkzeuges an den unbedüsten Wandungen mittels Isolierplatten auf Basis von hochtemperaturbeständigen und ggf. faserverstäkten und/oder aluminiumgefüllten Epoxid- oder Phenolharzplatten. Weiterhin vorteilhaft stellt sich der Einsatz von hochtemperaturbeständigem Silikon für Abdichtungen dieser Platten zum Werkzeug da.The inventive task was solved by that of an electric or fuel-fired steam generator as modulates part of the entire molding machine by means of konvetionellen Steam lines the steam is fed directly to the tool and the steam is distributed in the tool. It thus becomes the complete steam chamber mass is saved. A particularly advantageous variant is heat-insulating Lining of the tool on the unwanted walls by means of insulating plates based on high temperature resistant and possibly fiber-reinforced and / or aluminum-filled Epoxy or phenolic resin boards. Further advantageous turns the use of high-temperature-resistant silicone for seals of these plates to the tool there.
Neben der Kühlung nach Stand der Technik durch Besprühen der nicht isolierten Rückseite der Kavität mit Wasser erlaubt der Einsatz von werkzeugspezifisch angebrachten Kühlsystemen verschiedene Kühlmethoden. Eine Möglichkeit, um vor allem in der EPS-Verarbeitung in kurzer Zeit annähernd trockene Formteile entformen zu können ist der Einsatz einer Vakuumkühlung, bei der die Verdunstungskälte des im Formteil vorhandenen Kondensats zur Kühlung genutzt wird. Die geringen Volumina der Medienverteiler optimal angepasster Werkzeuge lassen außerdem eine effiziente, rasche Kühlung durch Auffüllen des Werkzeugs mit temperiertem Wasser.Next the cooling in the prior art, by spraying the uninsulated backing the cavity with water allows the use of tool-specific attached cooling systems different cooling methods. A possibility, especially in the EPS processing approaching in a short time to be able to demold dry moldings is the use of a Vacuum cooling, at the evaporative cold of the condensate present in the molding is used for cooling. The small one Volumes of media distributors optimally adapted tools Furthermore an efficient, rapid cooling by filling up of the tool with tempered water.
Claims (20)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200410004657 DE102004004657A1 (en) | 2004-01-29 | 2004-01-29 | Energy efficient automatic molding machine for production of particulate foam products has no steam chamber and media distribution inside the tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200410004657 DE102004004657A1 (en) | 2004-01-29 | 2004-01-29 | Energy efficient automatic molding machine for production of particulate foam products has no steam chamber and media distribution inside the tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE102004004657A1 true DE102004004657A1 (en) | 2005-08-25 |
Family
ID=34801249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE200410004657 Withdrawn DE102004004657A1 (en) | 2004-01-29 | 2004-01-29 | Energy efficient automatic molding machine for production of particulate foam products has no steam chamber and media distribution inside the tool |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE102004004657A1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008018181A1 (en) * | 2008-04-10 | 2009-10-15 | Teubert Maschinenbau Gmbh | Resin mold for producing molded bodies from particle foams, has supporting forms surrounding resin mold and made of insulating material and metal, where resin mold is made of heat-resistant plastic |
| WO2010079212A2 (en) | 2009-01-12 | 2010-07-15 | Fagerdala Capital Ab | Method and device for producing molded parts from particle foams |
| WO2011058071A2 (en) | 2009-11-13 | 2011-05-19 | Fagerdala Deutschland Gmbh | Device and method for producing molded parts from particle foams |
| WO2013120479A1 (en) * | 2012-02-14 | 2013-08-22 | Kurtz Gmbh | Device for producing moulded parts from particulate plastics materials |
| DE102017123796A1 (en) * | 2017-10-12 | 2019-04-18 | Werkzeugbau Siegfried Hofmann Gmbh | Tool |
| DE102018211737A1 (en) * | 2018-07-13 | 2020-01-16 | Erlenbach Gmbh | Machine system, molding machine, tool block and method for equipping a molding machine |
| DE102019124302A1 (en) * | 2019-09-10 | 2021-03-11 | Werkzeugbau Siegfried Hofmann Gmbh | Device for processing a particle foam material to produce a particle foam molding |
| DE102020204876A1 (en) | 2020-04-17 | 2021-10-21 | Volkswagen Aktiengesellschaft | Method for producing a component comprising a rigid foam, as well as a device for carrying out the method and a motor vehicle |
-
2004
- 2004-01-29 DE DE200410004657 patent/DE102004004657A1/en not_active Withdrawn
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008018181A1 (en) * | 2008-04-10 | 2009-10-15 | Teubert Maschinenbau Gmbh | Resin mold for producing molded bodies from particle foams, has supporting forms surrounding resin mold and made of insulating material and metal, where resin mold is made of heat-resistant plastic |
| WO2010079212A2 (en) | 2009-01-12 | 2010-07-15 | Fagerdala Capital Ab | Method and device for producing molded parts from particle foams |
| DE102009004386A1 (en) | 2009-01-12 | 2010-07-15 | Fagerdala Capital Ab | Method and device for producing molded parts from particle foams |
| WO2010079212A3 (en) * | 2009-01-12 | 2011-02-03 | Fagerdala Capital Ab | Method and device for producing molded parts from particle foams |
| WO2011058071A2 (en) | 2009-11-13 | 2011-05-19 | Fagerdala Deutschland Gmbh | Device and method for producing molded parts from particle foams |
| DE102009053272A1 (en) | 2009-11-13 | 2011-06-01 | Fagerdala Deutschland Gmbh | Apparatus and process for the production of moldings from particle foams |
| WO2013120479A1 (en) * | 2012-02-14 | 2013-08-22 | Kurtz Gmbh | Device for producing moulded parts from particulate plastics materials |
| CN104169060A (en) * | 2012-02-14 | 2014-11-26 | 库尔特股份有限公司 | Plants for the manufacture of molded parts from plastic granules |
| US9656415B2 (en) | 2012-02-14 | 2017-05-23 | Kurtz Gmbh | Device for producing molded parts from particulate plastic materials |
| RU2625851C2 (en) * | 2012-02-14 | 2017-07-19 | Куртц Гмбх | Device for manufacturing mouldings of granulated plastics |
| CN104169060B (en) * | 2012-02-14 | 2017-10-27 | 库尔特股份有限公司 | Plants for the manufacture of molded parts from plastic granules |
| DE102017123796A1 (en) * | 2017-10-12 | 2019-04-18 | Werkzeugbau Siegfried Hofmann Gmbh | Tool |
| DE102017123796B4 (en) | 2017-10-12 | 2019-07-04 | Werkzeugbau Siegfried Hofmann Gmbh | Tool |
| DE102018211737A1 (en) * | 2018-07-13 | 2020-01-16 | Erlenbach Gmbh | Machine system, molding machine, tool block and method for equipping a molding machine |
| DE102018211737B4 (en) * | 2018-07-13 | 2020-02-13 | Erlenbach Gmbh | Machine system, molding machine, tool block and method for equipping a molding machine |
| DE102019124302A1 (en) * | 2019-09-10 | 2021-03-11 | Werkzeugbau Siegfried Hofmann Gmbh | Device for processing a particle foam material to produce a particle foam molding |
| DE102020204876A1 (en) | 2020-04-17 | 2021-10-21 | Volkswagen Aktiengesellschaft | Method for producing a component comprising a rigid foam, as well as a device for carrying out the method and a motor vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8122 | Nonbinding interest in granting licenses declared | ||
| 8127 | New person/name/address of the applicant |
Owner name: FAGERDALA DEUTSCHLAND GMBH, 99885 OHRDRUF, DE |
|
| 8110 | Request for examination paragraph 44 | ||
| 8127 | New person/name/address of the applicant |
Owner name: FAGERDALA MASCHINENBAU GMBH, 99885 OHRDRUF, DE |
|
| R120 | Application withdrawn or ip right abandoned | ||
| R120 | Application withdrawn or ip right abandoned |
Effective date: 20111025 |