EP2814651A1 - Dispositif pour produire des pièces moulées à partir de plastiques en particules - Google Patents

Dispositif pour produire des pièces moulées à partir de plastiques en particules

Info

Publication number
EP2814651A1
EP2814651A1 EP13713343.5A EP13713343A EP2814651A1 EP 2814651 A1 EP2814651 A1 EP 2814651A1 EP 13713343 A EP13713343 A EP 13713343A EP 2814651 A1 EP2814651 A1 EP 2814651A1
Authority
EP
European Patent Office
Prior art keywords
mold
layer
inner layer
support
support layer
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Withdrawn
Application number
EP13713343.5A
Other languages
German (de)
English (en)
Inventor
Walter Kurtz
Martin Bauer
Norbert Reuber
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.)
Kurtz GmbH
Original Assignee
Kurtz 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 Kurtz GmbH filed Critical Kurtz GmbH
Publication of EP2814651A1 publication Critical patent/EP2814651A1/fr
Withdrawn legal-status Critical Current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
    • 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
    • B29C33/048—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam using 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
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • 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
    • 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
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
    • B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
    • 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
    • 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
    • B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
    • B29C35/045—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2063/00—Use of EP, i.e. epoxy resins or derivatives thereof, as moulding material

Definitions

  • the invention relates to a device for producing foamed molded parts, in particular insulating boards, with a mold cavity enclosed by tool parts according to the preamble of claim 1.
  • Generic foaming devices are used for the production of moldings of all kinds, especially when they are foamed from particle plastics.
  • This includes both three-dimensional molded parts and plate-shaped molded parts, such as insulating boards, in particular for the construction sector, for example in the form of insulation boards for floors, facades and roofs.
  • CONFIRMATION COPY material is not melted immediately in the mold cavity. Consequently, it is necessary that the mold plates and the mold frame have a corresponding temperature below a critical softening of the loose plastic filling.
  • the steaming carried out after filling now serves to heat the plastic material introduced, so that a fusion takes place and a coherent molding compound in the form of a plate is formed. In this case, an energy input, which also leads to the heating of the mold plates and the mold frame.
  • an evacuation and cooling ie stabilization. This again requires a temperature change, ie a lowering of the temperature of the plastic material and the mold plates and the mold frame, so that the plate produced maintains its shape even after removal unchanged. This results in temperature cycles in the mold cavity during the process, wherein the mold plate and the mold frame are subject to temperature fluctuations in the cycle over the duration of the production of a plate.
  • the mold plates are designed in the prior art such that on the side facing the mold cavity a substantially solid metal plate, usually made of aluminum, is present with a thickness of more than 10 mm , which is sometimes insulated on the back by means of insulating material.
  • the aluminum plate as a mold plate hereby has a multiplicity of openings, which are usually mechanically incorporated, in order to allow the corresponding passage of steam or evacuation.
  • the known foaming devices for producing corresponding plate-shaped and other molded parts made of particle plastics have However, the disadvantage that the duration of the manufacturing cycle due to the necessary reversible temperature changes of the tool and the component to be produced can hardly be reduced.
  • the generic device is initially intended once for the production of foamed moldings. Which type of moldings are here is irrelevant at first. At least the moldings are made of particulate plastics. In this regard, it may be EPS or EPP in particular. The properties and method of processing are well known to those skilled in the art and to that extent an explanation on this is unnecessary.
  • At least the device has at least two tool parts which can be separated in a parting line.
  • the execution of the tool parts is also initially irrelevant, wherein the closed tool parts in this case form at least one mold cavity, which corresponds in shape to the molded part to be produced.
  • the geometry of the mold cavity essentially corresponds to the shape of the molded part to be produced.
  • the mold cavity in the device represents a type of cavity within which the production of the molded part is carried out.
  • the device has a mold cavity forming the mold cavity, which is formed according to the pitch of the device along the parting line of at least two tool parts.
  • the tool wall has an inside, i. to the mold cavity, a surface on which the particle plastic comes into contact with the production of a molded part.
  • a heating medium in particular superheated steam, used, which can be used in the apparatus for heating the mold cavity.
  • a heating medium in particular superheated steam, used, which can be used in the apparatus for heating the mold cavity.
  • an up and / or foaming of the previously filled in the mold cavity particle plastic takes place with complete filling of the mold cavity.
  • the tool wall has a multi-layer structure at least in sections.
  • the multilayered structure comprises a thin inner layer on the inner side of the mold cavity.
  • the multilayer structure comprises at least one support element, wherein this is arranged on an outer side of the inner layer and in this case mechanically supports the inner layer.
  • the design of the device is favored in terms of lower energy consumption.
  • Particularly advantageous is an embodiment of the device according to the invention, if this allows the production of foamed insulation boards.
  • the mold cavity is defined here by two opposite mold plates and a surrounding mold frame.
  • One of the mold plates in this case forms a bottom, wherein the corresponding opposite mold plate forms a lid.
  • Between the mold plates creates a free distance, which consequently defines the thickness of the mold cavity or the thickness of the molded part to be produced.
  • this mold frame Surrounding the free space between the two mold plates, ie the mold cavity, enclosed by a mold frame, it is initially irrelevant whether this mold frame also surrounds the mold plates or one of the mold plates or bridges only the distance between the two mold plates. At least a corresponding substantially closed mold cavity is formed by the mold plates and the mold frame.
  • the lid mold plate is removable from the mold frame for removal of the manufactured insulating board.
  • the lid mold plate dips in the mold frame and rests on it, it is irrelevant for the advantageous embodiment, when the mold frame is made in several parts and in this case a lid-side portion of the mold frame, ie a first tool part, with the lid mold plate, ie a second tool part, is firmly connected or the lid mold plate integrally comprises a portion of the mold frame, ie as a one-piece tool part.
  • This consideration is neglected below, but may be added without further ado to those skilled in the art.
  • the insulation board on this page is removable or ejectable.
  • the term "cover mold plate” also includes a cover-side section of the mold frame, if so embodied, while the bottom mold plate as a rule is not of the type
  • At least one of the mold plates is formed as a multilayer structure according to the invention.
  • the inner layer has a multiplicity of openings on the side facing the mold cavity. Through these openings, the heating medium can be introduced into the mold cavity.
  • the support elements form a support layer.
  • the support layer is a multiple, in particular more than a tenfold, thicker than the inner layer.
  • the task of the inner layer is essentially to form the surface of the insulating board to be produced, without resulting in impermissible surface defects by deformation of the inner layer.
  • a predominantly thin inner layer is sufficient, insofar as a corresponding stabilization is ensured by a correspondingly thicker selected support layer.
  • the inner layer at the beginning of the filling of the plastic material is to be cooled below a threshold temperature, it is also particularly advantageous if the inner layer as possible has low heat capacity and thus is made as thin as possible.
  • the thicker support layer proves to be particularly advantageous in terms of the direction of the corresponding fluid flow within the multilayer structure.
  • the density of the inner layer is many times, in particular more than ten times, higher than that of the support layer.
  • the support layer can be designed in many ways, wherein it is a particular task to realize a correspondingly statically stable bridging. Accordingly, different variants are used in this regard.
  • the term "density of the support layer" is understood in particular to mean the entire weight of the support layer neglecting the fluid in relation to the overall construction volume of the support layer.
  • the inner layer has a correspondingly higher density than the support layer.
  • the inner layer has a thickness between 0.5 mm and 2 mm. Material thicknesses between 0.8 mm and 1.5 mm have proved particularly advantageous.
  • the inner layer comprises a metal sheet and / or a metal mesh and / or a metal mesh. Due to the elimination of the need to connect the openings for steaming or for venting or evacuation with individual corresponding ducts, there is a new freedom in terms the arrangement and design of the openings. Furthermore, the introduction of the openings is particularly favored by the low compared to known designs material thickness. In this respect, it is possible to redesignlaser to realize corresponding openings in the metal sheet a plurality of holes or slots. Alternatively, it is also possible to use a metal grid, which already has a plurality of openings.
  • the inner layer has a multilayer structure with a metal grid or metal screen on the side facing the mold cavity, wherein at least one further layer of the inner layer is a metal sheet or likewise a metal mesh and / or a metal mesh. That means that on the to
  • Formnest lying side of a possibly intrinsically labile metal mesh, or in the form of a mesh grid or a woven metal mesh, is present, which in this case ensures a particularly good flow through.
  • the support layer it is particularly advantageous to provide these with a plurality of perpendicular to the inner layer aligned support ribs as support elements.
  • the height of the support ribs substantially corresponds to the height of the support layer. That is, in the simplest case, the support layer consists only of a plurality of vertically oriented support ribs. Accordingly, the support ribs are on one side of the inner layer. It is irrelevant here, in which way the connection with the inner layer takes place. Depending on the choice of material, this can be done by welding, gluing or other joining techniques. To enable a larger one
  • the thickness of the support ribs between 0.5 mm and 2 mm is selected.
  • the support ribs have a plurality of recesses, wherein further in the system on the inner layer in a particularly advantageous manner in each case a plurality of sections alternate, which on the one hand have an investment in the inner layer and on the other form a free space. Due to the free spaces on the one hand, the fluid flow favors and on the other hand, a heat transfer from the inner layer is reduced to the support ribs. Which type and which form the recesses and the free spaces are irrelevant, as long as the necessary stability of the support ribs is ensured.
  • the support ribs form a lattice structure.
  • a right-angled and / or parallel arrangement of the support ribs is selected in a particularly advantageous manner.
  • identical parts can be used as support ribs for producing the multilayer structure.
  • the support layer and thus a support element consists of a foam layer and / or a sintered layer.
  • the embodiment is the embodiment as an open-cell foamed foam layer, for example as aluminum foam.
  • the support layer has a low density and thus low heat capacity, as well as the heat conduction from the inner layer is minimized.
  • the open-cell foam layer proves to be advantageous in terms of fluid flow within the support layer.
  • a support layer is arranged on the outside, ie on the side remote from the mold cavity, of the support layer.
  • the carrier layer in this case allows an advantageous fluid-tight separation of a freely permeable support layer relative to the environment.
  • the carrier layer can advantageously contribute to the stabilization of the support layer and thus of the inner layer.
  • the support layer bears against the support layer with the support element or the support elements. When using with support ribs provided with recesses, these lie correspondingly on one side against the inner layer and on the other side against the carrier layer.
  • connection with the support layer and the carrier layer takes place.
  • a connection by means of screws or welding into consideration.
  • the support layer essentially loosely between the inner layer and the carrier layer, the latter correspondingly being connected to one another by means of connecting means, and thus at the same time ensuring the support of the support layer.
  • the carrier layer has at least one or j e region of the support layer, a steam supply and / or vent and / or ventilation opening.
  • a particularly advantageous implementation of the production process is made possible by the connection of the fluid-conducting support layer through the carrier layer to corresponding supply devices.
  • a single steam feed may sometimes be sufficient to ensure vapor deposition over the entire size of the mold cavity. It is irrelevant in this case if, as an alternative to a single steam feed opening, a plurality of connections to a vaporization system is used for better distribution.
  • the underlying backing layer primarily has the task of separating the fluid-flowed space of the backing layer from the environment. Furthermore, the carrier layer has a sufficient stability, so that this can support the forces acting on the support layer in the manufacturing process. It is irrelevant in this case whether the carrier layer sets a constant average temperature over the entire production process, which, however, is inadmissible for the inner layer. Consequently, in order to prevent cooling of the carrier layer from the environment, it is advantageous to construct it in multiple layers and to provide a metal sheet on the side facing the support layer and to arrange insulation on the opposite side facing outwards. Consequently, the sealing is realized by means of the metal sheet, wherein the insulation prevents loss of energy to the environment.
  • the device further comprises an adjusting device.
  • the adjusting device comprises at least one adjusting drive, by means of which a nominal distance of the two mold plates can be set.
  • it requires an adjustability of at least one of the two mold plates relative to the opposite mold plate by means of the adjustment drive. It is initially irrelevant whether the bottom mold plate or the lid mold plate or alternatively both mold plates are adjustable by means of an adjustment device.
  • it can be assumed that one of the two mold plates can be adjusted by means of the adjustment drive and at the same time moves relative to the mold frame. Decisive is at least that can be formed with different thicknesses of material by changing the nominal distance corresponding insulation plates by adjusting a mold plate.
  • Various embodiments are available for realizing the corresponding adjusting drive, wherein in particular the embodiment with a spindle motor can preferably be used as adjustment drive, wherein a threaded spindle of the spindle motor can be extended and retracted.
  • a slow movement is sufficient so far, while in this case a precise adjustment of the nominal distance is preferred.
  • the corresponding is particularly favored by the spindle drive.
  • one of the two mold plates is arranged substantially stationary relative to the mold frame. In this respect, the adjustment of the distance is carried out by movement of the corresponding other mold plate, wherein this is preferably within the mold frame, that is, the mold frame surrounds next to the mold cavity also also the moving mold plate.
  • the support layer it is particularly advantageous to seal the carrier layer to the mold frame.
  • it requires at least an overlap of the inner layer and the support layer of Mold frame.
  • the sealing of the multi-layer structure in the mold frame takes place at the rear, so that the support layer is in relation to the seal on the side facing the mold cavity.
  • a gap between the inner layer and the mold frame no seal on the circumference of the support layer, but rather it can be designed to be open, ie to the mold frame out.
  • a gap between the inner layer and the mold frame is also as an opening surrounding the mold plate.
  • the execution of a sliding seal between the support layer and the mold frame is particularly advantageous if the moving mold plate is formed by a multilayer structure according to the invention. Furthermore, it is advantageous to use the foamed insulation panels for building insulation, if at least one of the two mold plates on the side facing the mold cavity has a raised and / or recessed structure. In this case, during the foaming of the corresponding insulation boards, a complementary structure is depicted in the insulation boards produced. The execution of the structure is initially insignificant, and this can align with the required use.
  • the structure is designed such that a surface with significantly increased roughness is produced in the produced insulating board.
  • the surface formed of the insulating board is at least twice as large as the resulting from the dimensions of the mold plate surface.
  • a scaled, in particular recessed, line grid is displayed on the surface of the insulation board on at least one side in an advantageous manner. Accordingly, it requires in the associated mold plate a raised line structure. The scaled execution of the line grid favors the quick and easy assembly of an insulation board for connection to corresponding fractions of insulation boards, for example at the end of a building surface to be insulated.
  • facade insulation board it is also advantageous if the structure is chosen differently on the surfaces of the two mold plates, so that the different requirements regarding the attachment of the insulation boards on different surfaces is taken into account.
  • At least one structure on one side of the insulating board is already formed by the use of a metal grid or metal sieve. This means that the openings in the metal grid or the metal screen or the irregularities of the metal grid or the metal screen are structured on the insulating board, resulting in a correspondingly enlarged surface of the entire insulating board, so that when using the insulating board as Facade insulation board a correspondingly large adhesion surface is present.
  • FIG. 1 shows a schematic view of a foaming device 01 according to the invention
  • FIG. 2 shows the multilayered structure 06 of the embodiment of FIG. 1 in an enlarged view
  • FIG. Fig. 3 is a schematic view of another embodiment of a foaming device 51
  • FIG. 4 shows an embodiment of FIG. 3 for a tool part 53 with a movable mold plate 55
  • FIG. 5 shows an alternative embodiment to FIG. 4 for a tool part 63 with a movable mold plate 65.
  • FIG. 1 schematically illustrates an exemplary embodiment of a foaming device 01 according to the invention.
  • the mold frame 04 with the multi-layered structure 06 form the bottom-side tool part 03b and the lid mold plate 05 the lid-side tool part 03d which 03d, 03b together form a mold cavity 02, which 02 in this case a corresponding thickness, formed by the distance 08, between the mold plates 05d, 06b.
  • the multilayer structure 06 has a multilayer construction, wherein also exemplary embodiment on the rear side of the multilayer structure 06, a vaporization opening 24 for connection to a vapor deposition system 25, a ventilation opening 26 for producing a free Passage to the environment or to the circulating air 27 and furthermore a vent opening 28 in conjunction with a vacuum system 29 is present.
  • the structure of the multi-layered structure 06 is again outlined in FIG. 2, the multilayered structure having an inner layer 11 on the side facing the mold cavity 02, a carrier layer 13 on the outwardly facing side, and an intermediate support layer 12 can be seen.
  • the inner layer 1 1 a plurality of openings 19, through which a corresponding steam passage or air passage is ensured.
  • the molding line layer 12 consists of a multiplicity of support ribs 1 5a and 1b arranged perpendicularly to the inner layer 11, which in each case have a large number of recesses 16a or 16b.
  • the system changes to the inner layer 1 1 and the system to the carrier layer 1 3 with in each case between intermediate free spaces 17 a and 1 7 b from.
  • the support layer 13 is also constructed in a multi-layered manner, wherein in the example on the side lying to the support layer 12, a metal plate 21 is arranged, which ensures the necessary stability and also separates the free fluid flow within the support layer 12 against the environment. Behind it is an insulation 22, which reduces the heat loss to the environment.
  • the carrier layer 13 furthermore has a sliding seal 23, which prevents or at least reduces loss in / from the circulating air during vapor deposition and evacuation.
  • FIG. 3 shows a further exemplary embodiment of a device 5 1 for producing foamed molded parts.
  • the split structure with the left hand shown a lid-side tool part 53d and right hand shown one bottom-side tool part 53b.
  • the assignment as cover-side or bottom-side tool part 53d, 53b is chosen purely arbitrarily in this respect, as that in the reverse manner, the left hand component represented could form a floor and the right hand tool part shown a cover.
  • the tool parts 53d, 53b each have a portion of a mold frame 54d or 54b.
  • a multilayer structure 56d simultaneously forms the cover molding plate 55d.
  • the mold plate 55b is slidably disposed in the mold frame 54b.
  • the bottom-side mold plate 55b also has a multi-layered structure 56b.
  • the mold frames 54d, 54b and the mold plates 56d, 55b in this case enclose the mold cavity 52 of the device 51.
  • the multilayer structure 56d, 56b has an inner layer 11 on the side lying to the mold cavity 52, a support layer 12 lying behind it, and a carrier layer 1 3 behind it.
  • both a support of the inner layer 1 1 realized as well as a free flowability is present.
  • the respective connections for the introduction of steam in connection with a vapor deposition system 25 a ventilation opening for connection to the circulating air 27, a vent for connection to a vacuum system 29 and the necessary connections to the connection with a condensate discharge line 30.
  • the sealing of the device 51 and thus of the mold cavity 52 is realized by means of a tool seal 58 revolving around the mold frame 54b.
  • the adjustability of the bottom-side mold plate 55b by means of an adjusting device 60 which can cause a change in the thickness of the mold cavity 52 and thus the thickness of the insulating panels to be produced.
  • a paragraph between the mold frame 54b of the bottom-side tool part 53b and the mold frame 54d of the lid-side tool part 53d can be seen, which leads to a double-sided complementary step paragraph on the insulation boards produced. 4
  • a possible embodiment of a tool part 53 is sketched.
  • the exemplary structure of the tool part 53 with circumferential mold frame 54 in which a mold plate 55 is slidably. In this case, this has a multilayered structure 56 with inner side inner layer 1 1, supporting layer 12 lying behind and supporting layer 13 lying behind it.
  • an adjusting device 60 is provided, by means of which the shaping plate 55 can be displaced in the shaping frame 54.
  • FIG. 5 an alternative embodiment of a tool part 63 is sketched.
  • This has, in contrast to the previously outlined embodiment of FIG. 4 on a seal between the movable mold plate 65 and the mold frame 64.
  • This seal 59 is in this case in the carrier layer 13, which in this respect belongs to the multilayer structure 65 as a mold plate.
  • a support layer 12 is present as a fluid-conducting layer and on the side facing the cavity 52 an inner layer 1 1 with a plurality of openings 19.
  • the multilayer structure 65 has a plurality of fluid ports 68, which are connected in total to a fluid supply / discharge 69. This is done both by a connection to a steaming plant and also by a vacuum system.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Building Environments (AREA)

Abstract

Dispositif (01) comportant au moins deux parties de moule (03, 53, 63) pouvant être séparées au niveau d'un plan de joint du moule, les parties de moule fermées (03, 53, 63) formant une cavité de moule (02, 52) à l'intérieur de laquelle du plastique en particules peut être moussé pour la fabrication de pièces moulées expansées. Selon l'invention, en particulier pour réduire la consommation d'énergie, la paroi de moule formant la cavité de moule (02, 52) est formée au moins par endroits d'une structure multicouche (06, 56, 65) pourvue d'une couche interne mince qui est mécaniquement soutenue par un élément de support.
EP13713343.5A 2012-02-14 2013-02-13 Dispositif pour produire des pièces moulées à partir de plastiques en particules Withdrawn EP2814651A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012202233A DE102012202233A1 (de) 2012-02-14 2012-02-14 Vorrichtung zur Herstellung von Formteilen aus Partikelkunststoffen
PCT/DE2013/000077 WO2013120479A1 (fr) 2012-02-14 2013-02-13 Dispositif pour produire des pièces moulées à partir de plastiques en particules

Publications (1)

Publication Number Publication Date
EP2814651A1 true EP2814651A1 (fr) 2014-12-24

Family

ID=48044493

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13713343.5A Withdrawn EP2814651A1 (fr) 2012-02-14 2013-02-13 Dispositif pour produire des pièces moulées à partir de plastiques en particules

Country Status (6)

Country Link
US (1) US9656415B2 (fr)
EP (1) EP2814651A1 (fr)
CN (1) CN104169060B (fr)
DE (1) DE102012202233A1 (fr)
RU (1) RU2625851C2 (fr)
WO (1) WO2013120479A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015112149A1 (de) * 2015-07-24 2017-01-26 Kurtz Gmbh Formwerkzeug
CN104999614B (zh) * 2015-07-27 2017-05-24 仇俊成 多规格eps模块成型机
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WO2013120479A1 (fr) 2013-08-22
CN104169060A (zh) 2014-11-26
DE102012202233A1 (de) 2013-08-14
US20150030714A1 (en) 2015-01-29
CN104169060B (zh) 2017-10-27
RU2014135274A (ru) 2016-03-20
RU2625851C2 (ru) 2017-07-19

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