EP3802054A1 - Cylindre de plastification d'une extrudeuse de plastique ou d'une machine de moulage par injection - Google Patents

Cylindre de plastification d'une extrudeuse de plastique ou d'une machine de moulage par injection

Info

Publication number
EP3802054A1
EP3802054A1 EP19722589.9A EP19722589A EP3802054A1 EP 3802054 A1 EP3802054 A1 EP 3802054A1 EP 19722589 A EP19722589 A EP 19722589A EP 3802054 A1 EP3802054 A1 EP 3802054A1
Authority
EP
European Patent Office
Prior art keywords
plasticizing cylinder
cooling
heating
cylinder
recess
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.)
Pending
Application number
EP19722589.9A
Other languages
German (de)
English (en)
Inventor
Axel Ifland
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.)
Inmex GmbH
Original Assignee
Inmex GmbH
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 Inmex GmbH filed Critical Inmex GmbH
Publication of EP3802054A1 publication Critical patent/EP3802054A1/fr
Pending 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
    • 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
    • B29C48/50—Details of extruders
    • B29C48/68—Barrels or cylinders
    • B29C48/6801—Barrels or cylinders characterised by the material or their manufacturing 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/58—Details
    • B29C45/62—Barrels or cylinders
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/74—Heating or cooling of the injection unit
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/78—Measuring, controlling or regulating of temperature
    • 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
    • B29C48/2565—Barrel 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/68—Barrels or cylinders
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/83—Heating or cooling the cylinders
    • B29C48/832—Heating
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/83—Heating or cooling the cylinders
    • B29C48/834—Cooling
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
    • 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
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing

Definitions

  • the invention relates to a plasticizing cylinder of a plastic extruder or an injection molding machine having the features of the independent patent claim
  • Plastic extrusion as a primary molding process is very energy intensive.
  • the plastic granules to be processed must first be melted in order to then be able to be shaped. In this melting process, which is also called plasticizing process, the granules are fed to a plasticizing cylinder.
  • the plasticizing cylinder is designed as a hollow cylinder.
  • each heating zone is provided with an enclosure and a fan. If the temperature rises above the setpoint, it can be used be counteracted to the fan. In many cases, additional heatsinks are located on the surface of the heaters to make cooling more efficient. The cooling down of the plasticizing cylinder, however, is synonymous with high energy losses.
  • Cylinder cooling is realized here with water, which can run through holes in the cylinder.
  • DD 111 843 A1 discloses a temperature-controllable cylinder for plastic processing machines, in particular for extruders.
  • Cylinders On the Cylinders are arranged in several control zones, arranged in the axial direction one after the other hiegende, narrow heating bands and cooling rings for a liquid coolant.
  • the width of the heating bands corresponds approximately to the width of the cooling rings, so that a mutual interchangeability of heating bands against cooling rings is made possible.
  • a cooling ring consists of two half-shells, which have an inner jacket, a coolant space and an outer jacket.
  • the coolant chamber is closed on both sides with blind flanges and on the blind flanges elastic clamping elements for holding the cooling ring are arranged.
  • a single-screw extruder is known.
  • the single-screw extruder has a tubular groove bushing shrunk into a pressure-resistant reinforcement in a draw-in section.
  • a cooling channel is formed on the outer jacket of the reinforcement.
  • the existing in the reinforcement cooling channel is wrapped umêtnd of a jacket, which consists of two detachably interconnected half shells.
  • the reinforcements have on their outer lateral surface helical channels, which are flowed through successively by cooling water.
  • a cylinder for an extruder which has on its outer side a spiral groove.
  • elongated heating elements are arranged on the outer peripheral surface.
  • On the outer peripheral surface is located on a sleeve. The sleeve defines together with the groove and the heating elements a Restnutraum, which is traversed by a coolant.
  • a plasticizing cylinder with a spiral groove on the outside is known.
  • a heat transport medium oil, water, gas or steam
  • a cylinder for a twin-screw extruder is known. On the outside of the cylinder a plurality of channels are formed, which extend equidistantly from each other helically. On the cylinder a hollow collar is pushed to seal the channels. In these channels exactly one tempering medium is used. From DE 27 56572 Al a cooling-heating device in the screw housing of a screw machine is known. In the screw housing while a wear insert is arranged. Between an outer surface of the
  • This cooling-heating device consists of a tube which is helically wound on the wear insert. The ends of the tube are connected to a liquid inlet channel and a liquid outlet channel.
  • the tube is used to transport a tempering, in particular for the passage of cooling water. But also hot water can be passed through the pipe when heating is required. As a result, no separate heating elements and cooling elements are present, but only a pipe that can be used alternately for heating or for cooling.
  • the space between the turns of the tube is filled with a hardening material.
  • a plasticizing cylinder for an injection molding machine is known.
  • the plasticizing cylinder is formed as a hollow cylinder. In the cavity, a worm extends in the axial direction.
  • the plasticizing cylinder is provided with a heating device which is arranged on the outer wall of the plasticizing cylinder.
  • the plasticizing cylinder is subdivided from a feed opening to an outlet opening in a conveying space and a metering space.
  • the conveying space of the plasticizing cylinder corresponds to a conveying zone and the compression zone of a three-zone screw.
  • the metering chamber of the plasticizing cylinder corresponds to the metering zone of the three-zone screw. From the intake opening to the frontal
  • Outlet opening increases the wall thickness of the plasticizing cylinder.
  • the plasticizing cylinder is stepped. The step is provided in particular during the transition from the pumping room to the metering room.
  • the plasticizing cylinder is electrically heated by means of mounted on the outer wall heating bands. It is known to use tubular heaters as electric heaters, which surround the plasticizing helically and temper from the outside. For receiving a tubular heater, at least one recess is provided in the outer wall, which runs in a spiral in the axial direction of the plasticizing. Due to the stepped plasticizing cylinder two recesses are required to temper the cylinder over its entire axial length. The recesses each have a quadrangular cross-section in order to receive a quadrangular radiator in the cross section.
  • the plasticizing cylinder has on its surface at least two recesses, wherein the recesses extend spirally and parallel to each other, wherein in a recess at least one heating element is arranged, wherein in another spiral recess at least one Cooling element is arranged, wherein the spiral-shaped recesses extend parallel to each other along the surface of the plasticizing, wherein the at least one cooling element is formed as a tube, wherein the tube is traversed by a liquid cooling medium or flowed through.
  • the At least one heating element is preferably arranged at least one, in particular a plurality of insulating sleeves.
  • the recesses may be present.
  • the recesses in particular form a double spiral. It is also conceivable to form three or more than three recesses.
  • the formations form in the case of a multiple spiral, wherein in the axial direction in each case the first recess, the second recess and the third recess, etc. wind way side by side.
  • the spirals formed by the recess engage each other.
  • at least one heating element is arranged.
  • At least one cooling element is arranged, wherein the spiral-shaped recesses extend parallel to one another along the surface of the plasticizing cylinder.
  • At least one elongated heating element is arranged in the first recess and at least one elongate cooling element is arranged in the second recess. This makes it possible to significantly reduce the heat losses and thus the heating energy requirement.
  • the cooling elements and / or the heating elements are preferably adapted to the cross section of the recesses, wherein the heating elements and / or the cooling elements bear against both the bottom and the sides of the recesses.
  • the elongate heating element is designed in particular as a heating cartridge with a square cross-section.
  • the recesses preferably also have a square, in particular rectangular cross-section.
  • the recesses are preferably milled into the wall.
  • the cooling elements are designed as tubes, in particular as copper tubes, wherein the tube or the copper tubes are pressed into the corresponding recess. It is also possible to design the heating elements as pipes, for example as steel pipes or as copper pipes.
  • the cooling element may be formed as a copper tube, which is water or another liquid Cooling medium such as oil is flowed through. Alternatively, a steel tube can be used for the cooling elements.
  • the plasticizing cylinder has in particular a plurality of zones lying next to one another in the axial direction.
  • each zone at least one separate cooling element and / or a separate heating element can be arranged.
  • the cooling elements and / or the heating elements can be controlled and / or controlled separately zone by zone.
  • exactly one heating element and exactly one cooling element are arranged in each zone. It is conceivable that each zone has a separate double spiral with two recesses or a multiple spiral with three or more recesses.
  • exactly one double spiral with two recesses or exactly one multiple spiral with three or more recesses is formed, which can be actuated zone by zone by heating and / or cooling elements which can be controlled separately or in groups.
  • a plurality of recesses are arranged parallel to each other, so that more heating elements can be arranged per zone. If three recesses are present, for example, in the first and the second recess, for example, in each case preferably a plurality of heating elements can be arranged and in the third recess, preferably a plurality of cooling elements are arranged.
  • the plasticizing cylinder thus has at least one zone with both at least one cooling element and at least one heating element and at least one adjacent zone only with at least one heating element without cooling elements.
  • the recess for the at least one cooling element in this case does not extend over all zones, but only over the zones with cooling element and heating element.
  • the invention improves the energy efficiency of the cylinder temperature control, since the inserted heating elements can deliver the heat generated over% of their surface to the cylinder. Thanks to the integrated heating, the heat transfer is considerably improved.
  • the parallel to the radiators inserted cooling elements, namely the cooling tubes can dissipate very well excess heat through the liquid cooling medium. If it comes to Ubertemperatur the cooling water flow is controlled by an upstream valve. This system is much more efficient than the previously used air cooling.
  • the plasticizing cylinder may be surrounded for insulation in particular with at least one, in particular a plurality of insulating sleeves. On the outside of the wall around the cooling elements and the heating elements around is at least one, in particular a plurality of insulation collars are arranged.
  • the plasticizing cylinder can be used in a plastic extruder, in particular a single-screw extruder, a twin-screw extruder or a degassing extruder with a screw of constant or conical diameter.
  • the plasticizing cylinder In the Thermo-Plast injection molding process, there is no requirement to cool the plasticizing cylinder during the production process. However, cooling of the plasticizing an injection molding machine is quite helpful, namely, if, for example, in a material change, the temperature of the plasticizing cylinder should be lowered. For example, the user operates his injection molding machine with material A at a cylinder temperature of 300 ° C. Then he wants to process the material B at 200 ° C. Due to the cylinder insulation, the cylinder cools very slowly. In addition to the "heating groove", a "cooling groove" is introduced in phases into the cylinder, in which a pipe, in particular a copper pipe, is wrapped. The number of turns, zones and lengths depends on the Spaces.
  • the plasticizing cylinder is coolable during the tool changeover for the subsequent application, saving time here.
  • each injection molding machine has a feed zone cooling, which is also present in the plasticizing cylinder according to the invention and is not comparable to a rapid cooling.
  • the intake zone cooling takes place only in the catchment area of the plasticizing cylinder and should ensure that the material does not melt prematurely and can be well absorbed by the screw.
  • our cooling takes place zone by zone on the cylinder.
  • the milled grooves for this purpose are in particular available only in zones within the insulation sleeve.
  • Fig.l in a schematic, perspective view of a plasticizing
  • FIG. 2 in a schematic longitudinally sectioned detail of the
  • FIG. 3 in a schematic longitudinal sectional view of the
  • Plasticizing cylinder with additional insulation sleeves In Fig. 1, 2 and 3, a Plastifizierzy cylinder 1 is easy to see.
  • the plasticizing cylinder 1 is formed as a hollow cylinder and in the space 2 bounded by the plasticizing cylinder 1, a screw of an extruder, for example a single-screw extruder, a plastic extruder, a twin-screw extruder, a
  • Degassing extruder to be arranged a screw with a constant or conical diameter.
  • the interior 2 is formed as a hollow cylinder.
  • the plasticizing cylinder 1 has a wall 3, which limits the interior space 2.
  • Recesses 4, 5 formed on the outside of the wall 3.
  • the two recesses 4, 5 extend parallel to one another, so that in the longitudinally sectioned illustration according to FIG. 2, the first recess 4 and the second recess 5 are respectively arranged adjacent in the longitudinal direction.
  • the first recess 4 is in each case preferably arranged exactly in the middle between two adjacent second recesses 5, so that the spacing of the recesses 4, 5 is constant here.
  • At least one cooling element 6 and in the second recess 5, at least one heating element 7 is arranged. It is conceivable to arrange a plurality of heating elements 7 and / or a plurality of cooling elements distributed in different zones in order to further improve the temperature control.
  • An energy-efficient plasticizing system for extruders is provided. Waste heat losses are reduced. Thus, the heating energy requirement is significantly reduced. This is achieved in that the plasticizing cylinder 1 has on its surface the at least two spiral-shaped recesses 4, 5.
  • the recesses 4, 5 have a rectangular cross section.
  • the heating elements 7 have adapted to the recesses 5, rectangular cross-section.
  • the heating elements 7 are by heating cartridges with a rectangular, for example. Square cross section formed, wherein the heating cartridges 7 each have an electrical resistance heater.
  • a copper pipe is pressed into the recess 4. It is conceivable that several heating cartridges can be wrapped per heating zone. The energy efficiency of Barrel tempering is improved since the inserted heating elements 7 3 4 may submit their surface heat to the cylinder in particular.
  • the cross section of the heating elements 7 is adapted to the cross section of the recess 5.
  • the cross section of the cooling elements 6 is also adapted to the cross section of the recess 4.
  • the parallel to the heating elements 7 inserted cooling tubes can very well dissipate excess heat through a liquid medium.
  • the liquid medium may be, for example, water or oil.
  • the plasticizing cylinder 1 has a plurality of axially adjacent zones, wherein in each zone at least one heating element 7 and / or at least one cooling element 6 is arranged, wherein the heating elements 7 and / or the cooling elements 6 are separately controllable zone-wise and / or controllable.
  • the heating elements 7 and / or the cooling elements 6 are separately controllable zone-wise and / or controllable.
  • four zones each having a heating element 7 and a respective cooling element 6 are present.
  • the cooling water flow is regulated via an upstream valve (not shown).
  • This system is much more efficient than the previously used, inert air cooling.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

L'invention concerne un cylindre de plastification (1) d'une extrudeuse de plastique, le cylindre de plastification (1) comprenant une paroi (3), au moins un évidement en forme de spirale (4, 5) étant ménagé dans la paroi (3), au moins un élément chauffant (7) étant agencé dans un évidement (4). Le cylindre de plastification (1) est amélioré par le fait qu'au moins un élément de refroidissement (6) est agencé dans un autre évidement en forme de spirale (5), les évidements en forme de spirale (4, 5) s'étendant parallèlement l'un à l'autre le long de la surface du cylindre de plastification (1), l'élément de refroidissement (6) étant ménagé sous forme de tube, le tube étant traversé ou pouvant être traversé par un agent de refroidissement liquide.
EP19722589.9A 2018-05-30 2019-05-03 Cylindre de plastification d'une extrudeuse de plastique ou d'une machine de moulage par injection Pending EP3802054A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018112939.4A DE102018112939A1 (de) 2018-05-30 2018-05-30 Plastifizierzylinder eines Kunststoffextruders und Kunststoffextruder mit einem solchen Plastifizierzylinder
PCT/EP2019/061438 WO2019228752A1 (fr) 2018-05-30 2019-05-03 Cylindre de plastification d'une extrudeuse de plastique ou d'une machine de moulage par injection

Publications (1)

Publication Number Publication Date
EP3802054A1 true EP3802054A1 (fr) 2021-04-14

Family

ID=66440047

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19722589.9A Pending EP3802054A1 (fr) 2018-05-30 2019-05-03 Cylindre de plastification d'une extrudeuse de plastique ou d'une machine de moulage par injection

Country Status (5)

Country Link
US (1) US20210078230A1 (fr)
EP (1) EP3802054A1 (fr)
JP (1) JP2021526470A (fr)
DE (1) DE102018112939A1 (fr)
WO (1) WO2019228752A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112030372A (zh) * 2020-09-02 2020-12-04 黄远明 一种纺粘无纺布制造工艺
US20230067134A1 (en) * 2021-09-02 2023-03-02 Yu Kyung CHO Cylinder heating device of conduit forming system using waste synthetic resin
DE102021129015A1 (de) 2021-11-08 2023-05-11 Sebastian Pütter Temperiervorrichtung für eine Plastifizierschnecke und/oder einen Plastifizierzylinder einer Plastifiziereinheit
JP2024083759A (ja) * 2022-12-12 2024-06-24 株式会社日本製鋼所 射出成形機
EP4417394A1 (fr) * 2023-02-17 2024-08-21 Bühler AG Manchon pour extrudeuse
USD1057770S1 (en) 2023-05-12 2025-01-14 Bühler AG Food and feed industry machine (extruder)

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2541201A (en) * 1948-08-28 1951-02-13 Nat Rubber Machinery Co Method of extrusion
US2522365A (en) * 1949-01-07 1950-09-12 Edward S Greene Extrusion machine cylinder
US2721729A (en) 1953-03-16 1955-10-25 Jurian W Van Riper Temperature control mechanism for extrusion apparatus
US2987300A (en) * 1959-05-29 1961-06-06 Edward G S Greene Heat transfer assembly
DE2042973A1 (en) * 1970-08-29 1972-03-02 Krupp Gmbh Built up extruder housing - of rigid sleeve barrel separate flanges and outer casing
DD111843A1 (fr) * 1974-06-21 1975-03-12
DE2756752A1 (de) * 1977-12-20 1979-06-21 Werner & Pfleiderer Kuehl-heiz-einrichtung im schneckengehaeuse einer schneckenmaschine
JP2537666Y2 (ja) * 1990-02-23 1997-06-04 日立金属株式会社 ダイカスト用スリーブ
DE4226350A1 (de) 1991-08-27 1993-03-04 Barmag Barmer Maschf Einschneckenextruder zur verarbeitung insbesondere hochviskoser, thermoplastischer kunststoffe
JPH0557768A (ja) * 1991-08-29 1993-03-09 Kobe Steel Ltd 成形機用ジヤケツト付き複合シリンダおよびその製造方法
JPH05192925A (ja) * 1992-01-20 1993-08-03 Kobe Steel Ltd バレル用ライナー及びその製造法
JP2954540B2 (ja) * 1995-11-22 1999-09-27 株式会社名機製作所 スクリュインプランジャ式射出装置とそれを用いた射出成形方法
DE19941160B4 (de) * 1999-08-24 2004-03-04 Berstorff Gmbh Zylinder für einen Schneckenextruder mit Kanälen für ein Temperiermedium
JP2003039145A (ja) * 2001-07-27 2003-02-12 Toyoda Gosei Co Ltd 射出装置用スリーブ、射出装置及びダイカスト成形品の成形装置
DE10356350B4 (de) * 2003-11-28 2008-04-30 Battenfeld Extrusionstechnik Gmbh Verfahren zum Temperieren eines Walzenteils eines Planetwalzenextruders
US20050259507A1 (en) * 2004-05-24 2005-11-24 Entek Manufacturing Inc. Cast extrusion barrel with integral heat-exchangers and method for making same
DE102010026535B4 (de) * 2010-07-07 2022-06-15 Entex Rust & Mitschke Gmbh Planetwalzenextrudermodul mit segmentiertem Gehäuse
DE102012112747B4 (de) 2012-12-20 2016-03-31 Dr. Boy Gmbh & Co. Kg Plastifizierzylinder einer Spritzgießmaschine
JP6049648B2 (ja) * 2013-07-02 2016-12-21 富士フイルム株式会社 二軸押出装置及びフィルム製造方法
DE202014003691U1 (de) 2013-07-26 2014-07-01 Ellenberger & Poensgen Gmbh Lastüberwachung mittels einer Überstromschutzeinrichtung
DE202014003601U1 (de) * 2014-05-04 2014-07-03 Ernst Krüger Autotherme Zylindertemperierung
DE102015001167A1 (de) * 2015-02-02 2016-08-04 Entex Rust & Mitschke Gmbh Entgasen bei der Extrusion von Kunststoffen

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US20210078230A1 (en) 2021-03-18
JP2021526470A (ja) 2021-10-07
WO2019228752A1 (fr) 2019-12-05

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