WO2015032381A2 - Verfahren und vorrichtung zur extrusion - Google Patents
Verfahren und vorrichtung zur extrusion Download PDFInfo
- Publication number
- WO2015032381A2 WO2015032381A2 PCT/DE2014/000452 DE2014000452W WO2015032381A2 WO 2015032381 A2 WO2015032381 A2 WO 2015032381A2 DE 2014000452 W DE2014000452 W DE 2014000452W WO 2015032381 A2 WO2015032381 A2 WO 2015032381A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- extruder
- head
- extrusion
- intermediate parts
- head part
- 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.)
- Ceased
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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/025—General arrangement or layout of plant
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/256—Exchangeable extruder parts
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/256—Exchangeable extruder parts
- B29C48/2562—Mounting or handling of the die
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/256—Exchangeable extruder parts
- B29C48/2566—Die parts
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/265—Support structures or bases for apparatus, e.g. frames
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/266—Means for allowing relative movements between the apparatus parts, e.g. for twisting the extruded article or for moving the die along a surface to be coated
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/27—Cleaning; Purging; Avoiding contamination
- B29C48/272—Cleaning; Purging; Avoiding contamination of dies
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/302—Extrusion nozzles or dies being adjustable, i.e. having adjustable exit sections
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/49—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using two or more extruders to feed one die or nozzle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2030/00—Pneumatic or solid tyres or parts thereof
Definitions
- the invention relates to a method for extrusion, in which at least one extruder is used with a multi-spray head having at least one upper head part and at least one lower head part.
- the invention further relates to an extrusion apparatus comprising an extruder having at least one multi-spray head having at least one upper header and at least one lower header.
- the invention relates to the technical field of extrusion of tread strips for tires.
- a required rubber compound is produced using an extruder.
- the extruder is connected to an extrusion head which has a head base and a head top.
- One aspect is the reduction of changeover times when changing the composition of the CAP component, whereby the base and the wing component are not changed.
- the object of the present invention is to improve a method of the aforementioned type such that the flexibility in the extrusion is increased.
- Another object of the present invention is to construct a device of the type mentioned in the introduction, which provides increased flexibility.
- the upper halves of the head can be cleaned in stand-by and then pre-filled with the required rubber compound.
- the upper half of the head which was previously in production, is unlocked and moved sideways.
- the prepared second upper head half comes in working position and is locked.
- the spray head is ready for production.
- FIG. 1 shows a device in which the upper half of the head with the upper extruder axially movable and the lower half of the head with lower extruders is fixed
- FIG. 2 is a plan view of the arrangement of FIG. 1,
- FIG. 3 shows a perspective view of a device with two intermediate parts at the top and two cap extruders at the top
- FIG. 5 shows the device according to FIG. 4 in another operating state
- FIG. 6 shows a device with two intermediate parts above and two cap extruders on top of each other
- FIG. 7 shows the device according to FIG. 6 in another operating state
- FIG. 9 shows the device according to FIG. 8 in another operating state, FIG.
- FIG. 10 shows a device according to FIG. 8 and FIG. 9, FIG.
- Fig. 1 1 is a plan view of the arrangement of FIG. 10 and
- Fig. 12 shows a device with two intermediate parts above and two cap extruders in V-arrangement side by side.
- two upper head halves can be moved transversely with cap extruders.
- the upper half of the head with extruder is replaced (axially movable).
- an extruder is emptied and cleaned the upper half of the head.
- the head body is split horizontally into the upper and lower halves of the head.
- the upper and lower halves of the head are locked together with vertically arranged locking cylinders.
- the lower half is fixed on the foundation, the upper half of the head is laterally displaceable and can be replaced by a second upper half of the head.
- the lower half of the head is connected in a triplex with a hinged lower part and a hinged intermediate part and is clamped with its own locking system against rubber leakage.
- the upper head halves are each connected to a folding top. Also in this case, the parts are clamped with their own locking system against rubber leakage.
- Each upper half of the head is connected to an extruder. These units are mounted laterally displaceable on a scaffold.
- the interchangeable intermediate parts can be cleaned in stand-by.
- the intermediate part that was previously in production is unlocked and laterally swung out. Both swung-out intermediate parts are moved together vertically. The second cleaned intermediate part is pivoted into the spray head. Subsequently, the clamping takes place with the spray head through the upper part. The spray head is ready for production.
- the device consists of two intermediate parts at the top and two cap extruders at the top.
- the intermediate part is replaced by lateral lifting and pivoting device, emptying the extruder and cleaning the intermediate part during production.
- the following steps are carried out:
- both swung-out intermediate parts can be moved vertically together (eg hydraulically),
- an intermediate part can be pivoted in the head
- Another variant comprises two intermediate parts above and two cap extruders on top of each other.
- An extruder is permanently mounted with a head (emptying through intermediate part).
- the extruder is screwed tight. A Leerfahren happens laterally through the intermediate part. Cleaning is done by appropriate cavities in the intermediate part. There is good accessibility for cleaning.
- FIGS. 4 and 5 Details are shown in FIGS. 4 and 5.
- a next variant comprises two intermediate parts on top and two cap extruders on top of each other.
- the extruder is axially movable.
- the intermediate parts no longer have any cavities for cleaning.
- the extruder is attached to the head with a hydraulic clamp. Stand-by extruder goes back to emptying and cleaning the middle section. There is poor accessibility to cleaning because the lock cylinder is in the way.
- Another variant has two intermediate parts at the top and two cap extruders in a V arrangement next to one another.
- the extruder is firmly mounted with the head. It creates a Leerfahren by the intermediate part.
- the extruder is screwed tight. An empty space is created laterally by the intermediate part. There is a cleaning instead by appropriate cavities in the intermediate part. The accessibility for cleaning is good. As a disadvantage to evaluate asymmetric channels and the difficult balancing.
- FIGS. 8 and 9 Details are shown in FIGS. 10 and 11.
- a next variant has two intermediate parts at the top and two cap extruders in V-arrangement next to each other, fastened to the head with a hydraulic clamp.
- the extruder is axially movable.
- a stand-by extruder drives back to empty and cleans the middle section. There is good accessibility for cleaning.
- the downside is asymmetrical channels and the difficulty of balance.
- the corresponding changeover times are significantly reduced.
- two intermediate parts are used in the region of the extrusion head.
- the use of an intermediate part in the region of the extrusion head is already known.
- the additional intermediate part can be positioned out of the extrusion head. With the still remaining in the extrusion head intermediate part, the production can be continued. The intermediate part driven or swung out of the extrusion head can be cleaned. After a renewed driving in of the cleaned intermediate part into the extrusion head, the connection of a second extruder takes place in which the next required material mixture has already been provided during the further production. Shortly after the second intermediate part has moved in, the production can be continued with the new material mixture provided by the second extruder. Finally, the no longer active extruder can now be emptied and cleaned.
- the time required for the product change is only about 6 minutes.
- the changeover time can thus be halved approximately.
- two half upper extrusion heads are used. Each of these half heads is permanently assigned to an extruder and can be moved together with this extruder. In a product change, the new extruder is charged with the desired material and a product change is the extruder concerned together with the associated half extrusion head moved to the production position. The then no longer active extruder and the associated half head can then be emptied and cleaned.
- the time savings in this second variant of the invention compared to the change and cleaning time according to the prior art is about 3 minutes.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201480049151.4A CN105934323A (zh) | 2013-09-06 | 2014-09-05 | 用于挤出成型的方法和装置 |
| JP2016539417A JP2016530133A (ja) | 2013-09-06 | 2014-09-05 | 押し出し方法および押し出し装置 |
| EP14796671.7A EP3041657A2 (de) | 2013-09-06 | 2014-09-05 | Verfahren und vorrichtung zur extrusion |
| DE112014004082.7T DE112014004082A5 (de) | 2013-09-06 | 2014-09-05 | Verfahren und Vorrichtung zur Extrusion |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013014947 | 2013-09-06 | ||
| DE102013014947.9 | 2013-09-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2015032381A2 true WO2015032381A2 (de) | 2015-03-12 |
| WO2015032381A3 WO2015032381A3 (de) | 2015-05-07 |
Family
ID=51897018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2014/000452 Ceased WO2015032381A2 (de) | 2013-09-06 | 2014-09-05 | Verfahren und vorrichtung zur extrusion |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3041657A2 (de) |
| JP (1) | JP2016530133A (de) |
| CN (1) | CN105934323A (de) |
| DE (1) | DE112014004082A5 (de) |
| WO (1) | WO2015032381A2 (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016192988A1 (de) * | 2015-06-02 | 2016-12-08 | Kraussmaffei Berstorff Gmbh | Reifenstreifen-extrusionsvorrichtung zum herstellen von lauf- und/oder seitenstreifen für reifen und verfahren zum herstellen eines lauf- oder seitenstreifens eines reifens |
| FR3038862A1 (fr) * | 2015-07-17 | 2017-01-20 | Michelin & Cie | Dispositif et procede de nettoyage d'une extrudeuse pour melanges d'elastomeres |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2229828A1 (de) * | 1972-06-19 | 1974-01-17 | Troester Maschf Paul | Walzenbreitspritzkopf fuer roller-headanlagen |
| JPS5458762A (en) * | 1977-10-19 | 1979-05-11 | Sumitomo Rubber Ind | Metal mold for multiple extrusion of thermoplastic material |
| DE2937204C2 (de) * | 1979-09-14 | 1982-09-02 | Werner & Pfleiderer, 7000 Stuttgart | Extrudermaschine mit Breitspritzkopf und zugeordnetem Kalander |
| US4683095A (en) * | 1985-05-08 | 1987-07-28 | The Uniroyal Goodrich Tire Company | Early progressive junction extrusion process and system |
| DE3521643C1 (de) * | 1985-06-15 | 1986-07-03 | Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover | Aufklappbarer Strangpresskopf zum Herstellen von Kautschuk- oder Kunststoffflachprofilen |
| DE3709248C1 (de) * | 1987-03-20 | 1988-07-07 | Berstorff Gmbh Masch Hermann | Vorbereitungsstation fuer Vorformleisten an einem aufklappbaren Mehrfach-Strangpresskopf zum Herstellen von Kautschukprofilen fuer Laufstreifen von Autoreifen |
| JP2761695B2 (ja) * | 1993-01-20 | 1998-06-04 | 住友ゴム工業株式会社 | プリフォーマー |
| DE19529077A1 (de) * | 1995-08-08 | 1997-02-13 | Troester Maschf Paul | Spritzkopf einer Mehrkomponenten-Extrusionsanlage |
| DE102007049870A1 (de) * | 2007-10-18 | 2009-04-23 | Continental Aktiengesellschaft | Vorrichtung zum Aufbringen von Materialstreifen auf einen Reifenrohling oder eine Aufbautrommel |
-
2014
- 2014-09-05 EP EP14796671.7A patent/EP3041657A2/de not_active Withdrawn
- 2014-09-05 CN CN201480049151.4A patent/CN105934323A/zh active Pending
- 2014-09-05 DE DE112014004082.7T patent/DE112014004082A5/de not_active Withdrawn
- 2014-09-05 WO PCT/DE2014/000452 patent/WO2015032381A2/de not_active Ceased
- 2014-09-05 JP JP2016539417A patent/JP2016530133A/ja active Pending
Non-Patent Citations (1)
| Title |
|---|
| None |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016192988A1 (de) * | 2015-06-02 | 2016-12-08 | Kraussmaffei Berstorff Gmbh | Reifenstreifen-extrusionsvorrichtung zum herstellen von lauf- und/oder seitenstreifen für reifen und verfahren zum herstellen eines lauf- oder seitenstreifens eines reifens |
| KR20180013974A (ko) * | 2015-06-02 | 2018-02-07 | 크라우스마파이 베르스토르프 게엠베하 | 타이어들을 위한 트레드 및/또는 측면 스트립들을 생산하기 위한 타이어 스트립 압출 장치, 및 타이어의 트레드 또는 측면 스트립을 생산하기 위한 방법 |
| CN107690381A (zh) * | 2015-06-02 | 2018-02-13 | 克劳斯马菲贝斯托夫有限公司 | 用于制造轮胎的轮胎面和/或胎侧护条的轮胎条带‑挤出装置和用于制造轮胎的轮胎面或胎侧护条的方法 |
| CN107690381B (zh) * | 2015-06-02 | 2019-12-03 | 克劳斯马菲贝斯托夫有限公司 | 用于制造轮胎的轮胎面和/或胎侧护条的轮胎条带-挤出装置和用于制造轮胎的轮胎面或胎侧护条的方法 |
| RU2736817C2 (ru) * | 2015-06-02 | 2020-11-20 | Крауссмаффай Берсторфф Гмбх | Устройство экструдирования шинных лент для изготовления протекторов и/или боковин для шин и способ изготовления протектора или боковины шины |
| US11027472B2 (en) | 2015-06-02 | 2021-06-08 | Kraussmaffei Berstorff Gmbh | Tyre strip extrusion apparatus for producing tread and/or side strips for tyres, and method for producing a tread or side strip of a tyre |
| KR102502584B1 (ko) | 2015-06-02 | 2023-02-21 | 크라우스마파이 익스트루전 게엠베하 | 타이어들을 위한 트레드 및/또는 측면 스트립들을 생산하기 위한 타이어 스트립 압출 장치, 및 타이어의 트레드 또는 측면 스트립을 생산하기 위한 방법 |
| FR3038862A1 (fr) * | 2015-07-17 | 2017-01-20 | Michelin & Cie | Dispositif et procede de nettoyage d'une extrudeuse pour melanges d'elastomeres |
| WO2017013080A1 (fr) * | 2015-07-17 | 2017-01-26 | Compagnie Generale Des Etablissements Michelin | Dispositif et procede de nettoyage d'une extrudeuse pour melanges d'elastomeres |
| US10889043B2 (en) | 2015-07-17 | 2021-01-12 | Compagnie Generale Des Etablissements Michelin | Device and method for cleaning an extruder for elastomer mixtures |
Also Published As
| Publication number | Publication date |
|---|---|
| DE112014004082A5 (de) | 2017-04-06 |
| CN105934323A (zh) | 2016-09-07 |
| WO2015032381A3 (de) | 2015-05-07 |
| JP2016530133A (ja) | 2016-09-29 |
| EP3041657A2 (de) | 2016-07-13 |
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