EP2229268A2 - Buse de moulage par injection - Google Patents

Buse de moulage par injection

Info

Publication number
EP2229268A2
EP2229268A2 EP08855869A EP08855869A EP2229268A2 EP 2229268 A2 EP2229268 A2 EP 2229268A2 EP 08855869 A EP08855869 A EP 08855869A EP 08855869 A EP08855869 A EP 08855869A EP 2229268 A2 EP2229268 A2 EP 2229268A2
Authority
EP
European Patent Office
Prior art keywords
injection molding
molding nozzle
nozzle according
material tube
housing
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Withdrawn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
EP08855869A
Other languages
German (de)
English (en)
Inventor
Herbert Günther
Siegrid Sommer
Torsten Schnell
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.)
Guenther Heisskanaltechnik GmbH
Original Assignee
Guenther Heisskanaltechnik 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 Guenther Heisskanaltechnik GmbH filed Critical Guenther Heisskanaltechnik GmbH
Publication of EP2229268A2 publication Critical patent/EP2229268A2/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Withdrawn legal-status Critical Current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
    • 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
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • 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
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C2045/2759—Nozzle centering or guiding means

Definitions

  • the invention relates to an injection molding nozzle according to the preamble of claim 1.
  • Injection molding dies are used in injection molds to block a flowable mass at a predeterminable temperature under high pressure a separable tool (mold cavity) supply. They usually have a nozzle body in the form of a material tube, in which a flow channel for the flowable mass is formed. This ends in a nozzle mouthpiece, which is inserted into the end of the material tube and forms the outlet opening for the flow channel.
  • the material pipe usually sits in a housing which is in communication with a distributor plate in the injection mold in such a way that the flow channel in the material tube is in flow communication with the flow channels in the distributor plate
  • an electric heater is provided, which concentrically surrounds the material pipe or the flow channel formed therein. This makes it possible to keep the flowable mass into the nozzle tip at a constant temperature.
  • a thermal separation between the hot housing and the most cooled tool ensures that the nozzle - especially in the area of the nozzle tip - not freezes and at the same time the tool (mold cavity) is not heated.
  • a temperature sensor is usually used.
  • Material pipe and heating can be designed as separate components, the heater is integrated together with the temperature sensor in a sheath, which is pushed circumferentially on the nozzle body. But you can also integrate the heater in the material pipe, for example, as a tubular heater or as a coil, or you bring the cohesive material as a layer heating on the material pipe.
  • a major disadvantage of these conventional nozzles is that the housing of the injection nozzle occupies a relatively large amount of space, so that the nozzle tips of the individual injection molding nozzles can not be positioned arbitrarily close together.
  • the nests are relatively large. In numerous fields of application, however, it is necessary to realize nesting distances as small as possible in order to be able to spray separate cavities simultaneously or more complicated components at short intervals several times.
  • the aim of the invention is to overcome these and other disadvantages of the prior art and to provide an injection molding nozzle, which accommodates a plurality of nozzle tips in a confined space, so that even the smallest nest spacings can be realized.
  • the nozzle should have a uniform heat transfer and temperature distribution characteristics even when installed in an injection mold requires only a small footprint. It should also be simple and economical to manufacture and assemble.
  • each material tube in each material tube a flow channel is formed for a flowable mass, each material tube end having a nozzle tip with at least one outlet opening for the flowable mass, and wherein each material tube circumferentially carries a heater, the invention provides that the material pipes in a common housing are arranged, which is provided for receiving each material tube with a separate recess, the recesses are arranged closely spaced side by side in the housing.
  • the injection molding nozzle thus forms a multiple nozzle, with which several mold cavities or sprue points can be injection-molded simultaneously.
  • the nest spacing or the distances of the gate points can be selected extremely small.
  • each recess in the housing is associated with a separate material pipe with a separate flow channel, which opens the possibility to process if necessary with only one nozzle different materials, which are fed to very narrow gate points.
  • Another significant advantage of the injection molding nozzle according to the invention is that it can form each material tube and each radiator according to the material to be processed differently.
  • the material pipes can be made of different materials, while the heating elements are dimensioned and / or controlled differently.
  • the distances are the same size. But they can also be designed differently in size depending on the article to be produced.
  • a matrix is usually a pattern of dots arranged in rows and columns. Consequently, it is possible to arrange the material tubes and thus the nozzle tips in dot patterns and thereby adapt individually to the requirements of a product.
  • the latter can be injection-molded with several components at the same time, for example a keyboard which distinguishes between several keys. has lent materials.
  • the nozzle tips can have very narrow pitches, so that the individual keys can be very close together.
  • each recess is step-shaped, with a first lower portion and a second upper portion, wherein the inner diameter of the first portion is greater than the inner diameter of the second portion.
  • Each recess thereby easily accommodates the material tube assigned to it in the lower section, while the upper section can be used for fixing the material tube.
  • the latter preferably has a first lower portion and a second upper portion, wherein the heater is formed in the region of the first portion of the material tube.
  • the determination of the material tube is preferably carried out in the upper portion of the recess in the housing by the material tube is fixed with its second portion in the second portion of its associated recess. It is advantageous if the material tube is pressed with its second portion in the second portion of its associated recess. The assembly effort is thereby reduced to a minimum. Additional fasteners are not required.
  • the heating of each material pipe extends into the first section of the recess associated with the material pipe, wherein the outside diameter of the heater in the cold state of the injection molding nozzle is smaller than the diameter of the first Section of the recess.
  • the nozzle can be installed quickly and easily. The heating initially finds enough space in the house.
  • the outer diameter of the heater is equal to the inner diameter of the first portion of the recess.
  • the heater is thus in thermal contact with the housing, so that the first upper portion of the material tube is always optimally heated.
  • the entire injection molding nozzle has a uniform and homogeneous temperature distribution right down to the nozzle tip.
  • the structure is extremely compact and inexpensive to implement.
  • each heater can be controlled individually by means of a control unit.
  • a further embodiment provides that the housing has an insulating plate. This isolates the hot housing from the mostly cold cavity plate, so that on the one hand the temperature losses remain low and on the other hand the nozzle tips do not freeze.
  • the insulating plate is preferably fixed to the housing. It also has congruent to the recesses through holes, so that the material pipes can be inserted from below into the recesses of the housing.
  • the housing has at least one dowel pin, which preferably penetrates the insulating plate, so that it is always optimally positioned in position relative both to the housing and to the tool.
  • the material tube is surrounded by a shaft. This ensures even better thermal insulation in the tool. Furthermore, the heater is protected from outside influences.
  • the shaft is expediently designed in several parts, for example, an upper and a lower part, wherein the lower part may be made in contact with the material pipe of a poorly heat-conducting material.
  • Each shaft protrudes into an associated through hole of the insulating. This makes it easy to set. At the same time, this also ensures improved thermal insulation.
  • FIG. 1 shows a longitudinal section through a first embodiment of an injection molding
  • 2 is a view in the direction AA in Fig. 1
  • FIG. 3 shows a longitudinal section through another embodiment of an injection molding nozzle
  • FIG. 4 is a view in the direction A-A in Fig. 3,
  • FIG. 5 shows a longitudinal section through a further embodiment of an injection molding
  • FIG. 6 is a view in the direction A-A in Fig. 5th
  • injection molding is designed as a hot runner nozzle. It serves to process a flowable mass, for example a plastic melt, in an injection molding tool (not shown).
  • the plastic melt is fed at a predeterminable temperature under high pressure through a (also not shown) distributor plate and through the injection molding 10 through a separable tool block (mold cavity) and shaped according to the configuration of the individual mold cavity inserts to plastic articles.
  • the injection molding nozzle 10 has a total of three separate material tubes 20, which are arranged close together in a common housing 50 and whose center axes A lie within the housing 50 on a circle K (see FIG. 2).
  • Each material tube 20 has centric to the central axis A a flow channel 30 for the flowable mass, which begins at the upper end 21 of the material tube 20 with an inlet opening 31 and opens at the lower end 25 in a nozzle tip 32.
  • This passes the plastic melt through a material outlet opening 34 into one of the mold cavities (not shown), wherein the preferably conical spigot end of the nozzle tip 32 lies in the parting plane in front of a gate opening (not shown).
  • the preferably made of a highly heat conductive material nozzle tip 32 is inserted into the end of the material tube 20, preferably screwed. But it can also - depending on the application - be integral with the material tube 20 in the same operation.
  • a centering ring 26 made of a poorly heat-conducting material is placed on the lower end 25 of the material tube 20.
  • This ring 26 engages in the (also not shown) mold cavity of the injection mold, which is provided for this purpose with a corresponding seat.
  • the centering ring 26 seals the material tube 20 from the mold cavity, so that the material emerging from the outlet opening 34 directly into the Formnest passes.
  • the poorly thermally conductive material of the ring 26 provides the necessary thermal separation.
  • a sealing ring 27 is provided concentrically with the material tube 20 in the housing 50. This is in the mounted state of the injection nozzle 10 within a (unspecified) housing groove sealingly on the material tube 20 and on the underside of the distributor plate.
  • the material tube 20 is at its upper end 21 a piece far (preferably a few tenths or hundredths of a millimeter) on the flat top 51 of the housing 50, so that the material tube 20 pressed during heating of the injection molding 10 due to the material expansion firmly against the distributor plate is, while the centering ring 26 is pressed firmly at the lower end in the mold cavity. The entire system is always reliably sealed.
  • an electric heater 40 is placed on the outer circumference of the material tube 20.
  • This is formed for example by a (unspecified) sleeve made of a good heat conducting material, such as copper or brass, which extends over a majority of the axial length of the material tube 20.
  • a (not shown) electrical heating coil is formed in the (also not visible) wall of the sleeve coaxial with the flow channel 30, whose (also not visible) connections are led out laterally from the housing 50. The latter is provided for this purpose with an opening 52.
  • the heater 40 is connected to a (also not shown) control unit, wherein for each of the three radiators 40 of the nozzle 10, a central or a separate control can be provided.
  • the outer diameter HD of the heater 40 substantially determines the outer diameter of the material tube 20.
  • a (not shown) receiving channel is provided in the immediate vicinity of the material tube 20, in which a (not shown) temperature sensor can be inserted. Its measuring-sensitive end is located in the area of the nozzle tip 32.
  • the (not shown) terminals of the temperature sensor are led away laterally from the radiator 40 and also connected through the opening 52 in the housing 50 with the control unit for the heater 40.
  • a separate temperature sensor is provided for each heater 40.
  • the material tube 20 has two sections 22, 24.
  • a first lower portion 22 carries the heater 40, while a second upper portion 24 is formed slightly larger in diameter than the first lower portion 22.
  • the length The heater 40 essentially corresponds to the length of the first section 22 of the material tube 20, which is much larger than the length of the first lower section 24 of the material tube 20.
  • the housing 50 has a recess 60 for each material tube 20, the central axes A are also on the circle K.
  • the recesses 60 are arranged closely spaced within the housing 50 adjacent to each other, wherein the distance a between the inner walls 61 of two adjacent recesses 60 is significantly smaller than their smallest radius r (see Fig. 2). This ensures that the material tubes 20 inserted in the recesses 60 are relatively close to each other, which in turn allows very small pitch dimensions.
  • the distances a are all the same size. You can also choose the distances a - depending on the position of the mold nests or the starting points - but also different.
  • Each recess 60 is formed stepwise, with a first lower portion 62 and a second upper portion 64.
  • the inner diameter D of the first lower portion 62 is greater than the inner diameter d of the second upper portion 64, whose length is smaller than the length of lower section 62.
  • each material tube 20 is inserted into an associated recess 60 and fixed with its second portion 24 in the second portion 64 of its associated recess 60, preferably pressed therein.
  • the outer diameter of the second portion 24 of the material tube 20 is correspondingly slightly larger than the diameter d of the second portion 64 of the recess 60, resulting in a permanently permanently tight interference fit.
  • the heater 40 placed on the lower portion 22 of the material tube 20 extends into the first portion 62 of the recess 60 associated with the material tube 20, the inner diameter D of the lower portion 64 and the outer diameter HD of the heater 40 are selected such that the latter is smaller than the inner diameter D of the lower portion 64 of the recess 60 in the cold condition of the injection molding nozzle 10 the recess 60, so that the housing 50 is heated by the heater with.
  • the lying in the upper portion 62 of the recess 60 portion 22 of the material tube 20 is thereby also heated, which has a favorable effect on the entire temperature distribution within the nozzle 10. It is important that for each material tube 20 has its own separate recess 60 is present.
  • the distance a between the recesses 60 is significantly smaller than the smallest radius r of the recess 60.
  • the radius KR of the circle K is only slightly greater than or equal to half the outside diameter HD of the heater 40, ie the radius KR of the circle K. is only slightly greater than or equal to the (unspecified) radius of the material tube 20 together with the heater 40.
  • the diameter of the circle K is slightly larger than or equal to the outer diameter HD of the heater 40. All material tubes 20 sit so in the Housing 50 in tight spaces next to each other.
  • the gauge of the nozzle tips 32 is extremely small, so that can be implemented in the tool extremely small pitches.
  • the material tubes 20 can either be used uniformly, i. through all three tubes of material 20 through the same material is conveyed. Alternatively, however, the material tubes 20 may be used independently, i. If necessary, another plastic material can be introduced into the tool through each material tube 20, wherein each heater 40 of a material tube 20 can be controlled individually by means of the control unit; and this with extremely closely adjacent injection points.
  • an insulating plate 70 is provided, which is fixed by means of screws 71 on the housing 50.
  • the insulating plate 70 has congruent with the recesses 60 in the housing 50 through holes 72 whose inner diameter equal to the inner diameter D of the first portion 62 of the recesses 60, so that the material tubes 20 can be passed together with their radiators 40 through the insulating plate 70.
  • three dowel pins 80 are provided, which engage with one end into the housing 50 and with its other end through the insulating plate 70 into the tool.
  • the injection molding nozzle 10 shown in FIGS. 3 and 4 essentially corresponds in construction to the nozzle of FIGS. 1 and 2, except that here four material pipes 20 are provided and that each material pipe 20 and each heater 40 are enclosed by a shaft 90 are.
  • the shank 90 is in several parts, preferably in two parts, with an upper shank part 92 and a lower shank part 94.
  • the upper shank part 92 is inserted with its upper edge into the insulating ring 70, which for this purpose is provided with a step 74 in the region of its through-bore 72.
  • the shaft part 94 may be pressed into the insulating ring 70. You can also screw both parts together.
  • the lower shaft part 94 rests with its lower end 95 on the material tube 20.
  • the lower end 95 of the shaft part 94 forms a sliding fit for the material tube 20, preferably in the form of a cylindrical inner surface which is positively on the outer circumference of the material tube 20 is seated.
  • the upper and lower shank portions 92, 94 are preferably screwed or soldered together at their separation point 96.
  • each material tube 20 a separate recess 60 is provided, wherein the distance a between the recesses 60 is significantly smaller than the smallest radius r of the recess 60.
  • the radius KR of the circle K is only slightly larger or equal to half the outer diameter HS of the shaft 90, ie the radius KR of the circle K is only slightly greater than or equal to the (unspecified) radius of the shaft assembly 90.
  • the diameter of the circle K is slightly larger than or equal to the outer diameter HS of the shaft 90. All material tubes 20 sit so here in the housing 50 in tight spaces next to each other.
  • the gauge of the nozzle tips 32 is extremely small, so that can be implemented in the tool extremely small pitches.
  • two material tubes 20 are arranged side by side in the housing 50.
  • the nozzle tip 32 has at its end a flange 36, which is supported between the material pipe 20 and the tool, wherein between the flange 36 and the tool (not shown) use of poorly heat-conducting material is provided to the heat transfer from the nozzle tip 32 to minimize the tool.
  • the heater 40 does not necessarily have to be placed on the material pipe 20. You can also cohesively with the heater 40 connect the material pipe, for example in the form of a layer heating, in particular a thick-film heating.
  • the material tube 20 may be soldered with its upper portion 24 in the housing 50 or welded to the housing 50. Bonding would also be conceivable and possible.
  • the housing 50 and the insulating plate 70 are preferably clamped after reaching the operating temperature between the distributor plate and the tool plates, wherein the dowel pins 80 ensure the always correct alignment of the housing 50 and the material tubes 20.
  • the material tubes 20 and thus the nozzle tips 32 are arranged in a grid close to each other next to each other.
  • the arrangement can in particular form a matrix in accordance with the arrangement of the gate points.

Abstract

L'invention concerne une buse de moulage par injection (10) destinée à un dispositif de moulage par injection, comportant au moins deux tubes à matériau (20), un canal d'écoulement (30) destiné à une masse fluide étant respectivement créé dans chaque tube de matériau (20). Chaque tube à matériau (20) présente, côté terminal, une pointe de buse (32) comportant au moins une ouverture de sortie (34) pour la masse fluide, et porte un élément de chauffage (40) côté périphérique. Des cavités (60) séparées, disposées étroitement les unes à côté des autres, pour la réception des tubes à matériau (20), pratiquées dans un boîtier commun (50), permettent de loger, dans un espace réduit, plusieurs pointes de buse (32) présentant une caractéristique uniforme de transmission thermique et de distribution de température, de manière à pouvoir réaliser des écarts de cavités même minimaux.
EP08855869A 2007-12-05 2008-10-29 Buse de moulage par injection Withdrawn EP2229268A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202007017083U DE202007017083U1 (de) 2007-12-05 2007-12-05 Spritzgießdüse
PCT/EP2008/009105 WO2009071157A2 (fr) 2007-12-05 2008-10-29 Buse de moulage par injection

Publications (1)

Publication Number Publication Date
EP2229268A2 true EP2229268A2 (fr) 2010-09-22

Family

ID=40338917

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08855869A Withdrawn EP2229268A2 (fr) 2007-12-05 2008-10-29 Buse de moulage par injection

Country Status (11)

Country Link
US (1) US20100272851A1 (fr)
EP (1) EP2229268A2 (fr)
JP (1) JP2011505280A (fr)
KR (1) KR20100106338A (fr)
CN (1) CN101888923A (fr)
BR (1) BRPI0819998A2 (fr)
CA (1) CA2707584A1 (fr)
DE (1) DE202007017083U1 (fr)
MX (1) MX2010006000A (fr)
TW (1) TW200932485A (fr)
WO (1) WO2009071157A2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010013441B4 (de) 2010-03-30 2013-11-21 Günther Heisskanaltechnik Gmbh Spritzgießdüsenanordnung und Spritzgießwerkzeug
DE102011051292A1 (de) 2011-06-23 2012-12-27 Günther Heisskanaltechnik Gmbh Materialrohr für eine Spritzgießdüse, Spritzgießdüse, Spritzgießdüsenanordnung und Spritzgießdüsenmontagewerkzeug
WO2014043088A1 (fr) * 2012-09-13 2014-03-20 Husky Injection Molding Systems Ltd. Dispositif distributeur de matière fondue
CN106079284B (zh) * 2016-08-04 2019-01-08 哈希斯热流道科技（苏州）有限公司 一种避免树脂碳化的注塑模具喷嘴
DE102016121964A1 (de) * 2016-11-15 2018-05-17 Günther Heisskanaltechnik Gmbh Spritzgießdüsenvorrichtung
PL3725489T3 (pl) * 2019-04-17 2022-07-11 Mold-Masters (2007) Limited System gorących kanałów

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3936208C1 (en) * 1989-10-31 1991-01-24 Hasco-Normalien Hasenclever + Co, 5880 Luedenscheid, De Plastic material injection moulding tool - has one or more injection nozzles with pressure rated tubular inserts that have interchangeable channel members
US5052100A (en) * 1990-04-10 1991-10-01 Panos Trakas Method of making sprue bushing assembly with inner thermal sleeve
US5030084A (en) * 1990-09-04 1991-07-09 Mold-Masters Limited Pre-wired injection molding assembly
US5551863A (en) * 1992-11-27 1996-09-03 Polyshot Corporation Self-contained runnerless molding system
DE29902185U1 (de) * 1999-02-08 1999-04-29 Braun Formenbau Gmbh Werkzeug zum Kunststoff-Spritzgießen
AT5750U1 (de) * 2001-11-14 2002-11-25 Hefner Elastomere Technik Gmbh Einspritzdüse für kautschuk, gummi und polysiloxane
EP1650001A3 (fr) * 2002-11-06 2006-05-03 Mold-Masters Limited Procédé de configuration d'un élément chauffant plat pour buse à canal chaud
US7131833B2 (en) * 2002-11-21 2006-11-07 Mold-Masters Ltd. Nozzle with thermally conductive device
DE112005001013B4 (de) * 2004-05-03 2019-07-11 Mold-Masters (2007) Limited Spritzgießvorrichtung mit einem Formverteiler mit geringem Abstand
US7300275B2 (en) * 2005-10-26 2007-11-27 Panos Trakas Multi-point nozzle assembly
DE102006018336A1 (de) * 2006-04-19 2007-10-25 Günther Heisskanaltechnik Gmbh Schaftanordnung für eine Spritzgießdüse und Verfahren zur Herstellung einer Schaftanordnung für eine Spritzgießdüse

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2009071157A2 *

Also Published As

Publication number Publication date
CN101888923A (zh) 2010-11-17
CA2707584A1 (fr) 2009-06-11
WO2009071157A3 (fr) 2009-07-23
US20100272851A1 (en) 2010-10-28
WO2009071157A8 (fr) 2009-12-17
DE202007017083U1 (de) 2009-04-16
MX2010006000A (es) 2010-06-23
KR20100106338A (ko) 2010-10-01
JP2011505280A (ja) 2011-02-24
BRPI0819998A2 (pt) 2015-05-12
TW200932485A (en) 2009-08-01
WO2009071157A2 (fr) 2009-06-11

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