WO2020200625A1 - HEIß- ODER KALTKANALVORRICHTUNG FÜR EIN SPRITZGIEßWERKZEUG MIT EINEM WECHSELBAREN UMLENK- UND VERTEILEINSATZ - Google Patents
HEIß- ODER KALTKANALVORRICHTUNG FÜR EIN SPRITZGIEßWERKZEUG MIT EINEM WECHSELBAREN UMLENK- UND VERTEILEINSATZ Download PDFInfo
- Publication number
- WO2020200625A1 WO2020200625A1 PCT/EP2020/055839 EP2020055839W WO2020200625A1 WO 2020200625 A1 WO2020200625 A1 WO 2020200625A1 EP 2020055839 W EP2020055839 W EP 2020055839W WO 2020200625 A1 WO2020200625 A1 WO 2020200625A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sleeve
- hot
- distributor
- cold runner
- injection molding
- Prior art date
Links
- 238000009826 distribution Methods 0.000 title claims abstract description 64
- 238000002347 injection Methods 0.000 title abstract 2
- 239000007924 injection Substances 0.000 title abstract 2
- 239000000155 melt Substances 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 30
- 230000007704 transition Effects 0.000 claims abstract description 21
- 229920000642 polymer Polymers 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 239000012530 fluid Substances 0.000 claims abstract description 4
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 3
- 238000001746 injection moulding Methods 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 20
- 238000003825 pressing Methods 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 6
- 230000005489 elastic deformation Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 230000006378 damage Effects 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 2
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000007493 shaping process Methods 0.000 description 4
- 238000012937 correction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005304 joining Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000010094 polymer processing Methods 0.000 description 2
- 244000059549 Borneo rubber Species 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000007857 degradation product Substances 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000012667 polymer degradation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
- B29C45/2758—Means for preventing drooling by decompression of the moulding material
-
- 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
- B29C45/2725—Manifolds
-
- 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
- B29C45/2725—Manifolds
- B29C2045/2733—Inserts, plugs, bushings
-
- 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
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0094—Geometrical properties
Definitions
- the present invention relates to a hot or cold runner device for an injection molding tool, according to the preamble of claim 1 and a method for forming the deflection and / or distribution insert and for mounting the deflection and / or distribution insert in a distributor block.
- Hot or cold runner devices for an injection molding tool with a changeable deflection or distribution insert are known from the prior art.
- the deflection and / or distributor inserts are used to deflect or branch a melt flow by means of suitable inserts (deflection inserts, sockets, connection arrangement) in a hot runner distributor block of a plastic injection molding tool in a melt channel, as described in EP 2 925 502 B1, in EP 2 025 491 A1 and in DE 196 49 621 B4.
- a further task of such deflection and / or distributor inserts can consist in clogging a continuously just drilled channel, as is also known from the prior art.
- the deflection and / or distribution inserts must be pressed into their counter-geometry via the thermal tensioning forces when the hot runner components expand, so that a metallic sealing surface pressure between the deflection and / or distribution insert and a distributor block in which the deflection and / or distribution insert is used.
- distribution block is not to be defined too narrowly in the context of this application. In particular, it comprises an embodiment as a one-piece distributor plate or as a multi-piece distributor plate arrangement.
- Cylindrical deflection and / or distribution inserts from the prior art which are not only plugged in, but are non-positively connected to the distribution block by means of shrink technology in order to build up the necessary surface pressure, are free of gaps and therefore leak-free, but the problem of precise positioning with regard to the transitions of the melt channels is also available here.
- the shrunk deflection and / or distribution inserts cannot be dismantled without being destroyed.
- the dismantling of deflection and / or distribution inserts is a rare case, but in practice it is e.g. becomes necessary in the event of faulty heating of the distributor block with complete carbonization of the polymer.
- complete cleaning of the melt channels is required. This only succeeds if some or all of the deflection and / or distribution inserts are dismantled in order to make the often very long melt channels of the distribution block accessible for mechanical cleaning tools.
- the invention has the task of providing a deflection and distribution set for a hot or cold runner device of the generic type, which is exchangeable and nevertheless a reliable sealing effect after assembly.
- a hot or cold runner device for an injection molding tool is created, with a distributor block for polymer melts or polymer liquids, such as liquid silicone, the distributor block having at least one central supply line, at least one melt channel, at least one fluid outlet and at least one exchangeable deflector - and / or distribution insert for deflecting and / or distributing the melts or liquids, and wherein the deflection and / or distribution insert has a sleeve and a cone element and wherein the deflection and / or distribution insert is gap-free and offset-free or without offset is mounted on flow channel transitions by means of a press-in process or pressing process and is held in the manifold block in a self-locking manner - even in the non-heated state.
- This deflection and distribution insert is easy to assemble and dismantle and thus interchangeable and, after assembly, has the tightness necessary for polymer processing in the gaps between the distributor block and the sleeve and between the sleeve and the conical element, i.e. especially at the transitions to the melt channels.
- the outer cone of the cone element and preferably also a corresponding conical inner surface of the sleeve can each have a cone angle that is dimensioned such that there is a self-locking between the inner cone of the sleeve and the outer cone of the cone element when the cone element is mounted or pressed in results. In this way, the conical element is held securely in the sleeve in the unheated state, but also in the heated state.
- the outer cone angle or cone angle of the cone element can in particular preferably be less than 8 °, more preferably less than 5 ° and particularly preferably less than 2 ° and in turn more preferably greater than 0.2 °.
- a method for forming the deflection and / or distribution insert and for mounting the deflection and / or distribution insert in the distribution block of a hot or cold runner device for an injection molding tool is created, with at least the following steps : the The sleeve and the conical element are mounted without gaps and offset or without offset at flow channel transitions by means of a press-fit process, so that they are held in the manifold block or manifold block system in a self-locking manner.
- the deflection and / or distribution insert is mounted without gaps and offset or without offset at flow channel transitions between corresponding melt channels and / or through channels and / or bores in the distributor block and / or in the sleeve and / or in the cone element and held in the distributor block in a self-locking manner.
- the deflection and / or distribution insert is designed and fixed in the distributor block in such a way that it can be dismantled non-destructively after the self-locking force has been overcome, in particular easily dismantled by means of an extrusion process.
- a hot or cold runner nozzle can be connected to the deflecting and / or distributing insert in the flow direction in order to reach a shaping cavity.
- the deflection and / or distribution insert is designed as a nozzle in the direction of flow for directly reaching a shaping cavity. It can also be provided that additional sealing elements are installed at the flow channel transitions between the distributor insert bore and sleeve and between the sleeve and the conical element, which in addition to the high surface pressure in the surfaces of the elements mentioned after being pressed in, especially when flowing through very thin media represent additional security against leakage.
- At least one surface of the sleeve is coated in order to prevent cold welding (scuffing) during pre-assembly, assembly or disassembly.
- At least one surface of the conical element is coated in order to prevent cold welding (seizing) during the pre-assembly, assembly or disassembly.
- the sleeve is held in the distributor block by an interference fit, at least part of the force for the interference fit being generated by the cone element.
- the pressing force of the conical element into the sleeve increases or expands the outer diameter of the sleeve, so that an interference fit is advantageously created between the sleeve and the distributor block
- an elastic deformation of the sleeve, cone element and manifold block after the press-in process creates a sufficient surface pressure in the areas between the manifold insert bore and sleeve and between the sleeve and cone element to ensure tightness to ensure against the escape of polymer melts or polymer liquids under processing pressures.
- this provides non-destructive interchangeability of the aerodynamically optimized distribution and deflection inserts, and the greatest possible or even absolute absence of gaps and freedom from offset of the channel transitions.
- the distribution and deflection inserts can be dismantled without being destroyed and thus exchanged and there is no external clamping forces during operation (such as thermal Bracing) a non-positive connection between the distribution block and the distribution and deflection insert with sufficient surface pressure to keep the melt channel transitions tight.
- step E Editing the oversized outer diameter of the sleeve to an oversize increased by the elastic expansion according to step D, based on the dimension of the distributor insert hole, and editing an oversized contact surface of the conical element to the distance between the abutment surfaces of the distributor block and Introduction of corresponding bores to channel sections for a melt flow in the cone element in the sleeve;
- the positioning aid can be a locking pin, for example, or it can be a feather key or simply a corresponding contour that enables precise positioning.
- FIG. 1 a front view of a partial area of a hot or cold runner device for an injection molding tool with a distributor block of a distributor block system for polymer melts or polymer liquids, with an exemplary deflection and / or distribution insert according to the invention;
- FIG. 1 a an enlarged detail from FIG. 1;
- FIG. 2 the distributor block from FIG. 1, but without the deflection and / o the distributor insert mounted;
- FIG. 3 in a) a sleeve of the deflection and / or distribution insert from FIG. 1; in b) a conical element of the deflection and / or distribution insert from FIG. 1; in c) the sleeve from a) with the assembled cone element from b) during a mechanical machining process;
- FIG. 4 the machined sleeve from FIG. 3c during an assembly or joining process in the distributor block;
- FIG. 5 the arrangement from FIG. 4 after the completed assembly
- FIG. 6 the conical element from FIG. 3b or FIG. 3c during a joining process in the preassembled sleeve of the arrangement from FIG. 5;
- FIG. 7 in a) the assembled deflection and / or distribution insert with a first one
- Embodiment of a seal to the distributor in b) the mounted deflection and / or distribution insert with a further embodiment egg ner seal to the distributor; in c) a side view of the assembled deflection and / or distribution insert from FIG. 7a; in d) a side view of the deflection and / or distribution insert from FIG. 7b.
- Fig. 1 shows a hot or cold runner device for an injection molding tool, which is otherwise only shown in sections here.
- This hot or cold runner device has a distributor block 3.
- This is hereinafter also referred to synonymously as “distributor” or “distributor plate”.
- One or more melt channels 5, 7 and 8 are formed in the distributor block 3.
- the distributor block 3 has a distributor insert hole 9 for inserting the deflection or distributor insert 28 (see also FIG. 2). This is developed in stages here.
- the melt channel or channels 5, 7 and 8 can be formed at an angle to the distributor insert hole 9 and pass through or open into them.
- the melt zekanäle 5, 7 and 8 are formed at right angles to the distributor insert bore.
- the distributor insert bore 9 is used to receive an interchangeable deflection or distributor insert 28 which can be inserted into it and which has a sleeve 2 and a conical element 1.
- a polygonal projection 19 of the cone element 1 ensures a clear assignment to the prefabricated melt channels 6 and 21 (see Fig. 1a) of the cone element 1 in relation to a locking recess 22 (see Fig. 4) of the sleeve 2.
- At least one Fl disclose- or cold runner nozzle 23 can be attached to the arrangement of the manifold block 3 and the deflection and / or distribution insert.
- a pressure piece 24 can be attached to this arrangement on the opposite side.
- the sewing or cold runner nozzle 23 and the pressure piece 24 can each be attached or inserted into further plates P1, P2 or the like of a higher-level injection molding tool.
- the deflection and / or distribution insert 28 thus has at least the conical element 1 and the sleeve 2. It can also have a locking pin 4. There are also one or more corresponding bores and through channels to the melt channels 5, 7 and 8 or channel sections 6, 21 for a melt flow in the cone element 1, in the sleeve 2 and in the cone element 1. Once a type of through-channel for the melt channel 8 in the manifold block with the channel section 21 is implemented by the deflection and / or distribution insert and once a type of deflection for melt from the channel section 5 (here, from the left as an example) by the The deflection and / or distribution insert in the distribution block is converted into the Fl furnish- or cold runner nozzle 23, which is used to reach a shaping cavity.
- the deflection and / or distribution insert is designed as a nozzle in the direction of flow for directly reaching a shaping cavity.
- the sleeve 2 is initially mounted in the distributor block 3 without the conical element 1. For this purpose, it has been pushed or pressed into the distributor block 3 when it was installed in the distributor block 3 by means of a clearance fit or transition fit. It may have been secured there against twisting. In particular, it can be secured against twisting by the locking pin 4 in addition - preferably positively.
- the deflecting and / or distribution insert 28 is held in a self-locking manner without gaps and offset or without offset at flow channel transitions 25 between corresponding melt channels / through channels / bores in the distributor block 3.
- the absence of gaps between the sleeve 2 and the distributor block 3 results from the elastic expansion or deformation of the sleeve 2 as a result of the pressing in of the conical element 1 with its corresponding conical surfaces.
- the sleeve 2 has an outer surface 10 and the distributor insert bore 9 of the distributor block 3 has an inner surface.
- the sleeve 2 also has an inner jacket or an inner surface 1 1, which corresponds to a conical bore.
- the outer surface of the conical element 1 forms a corresponding outer cone at least in sections.
- the outer cone of the conical element 1 (see for example Fig. 3a, 3b) with egg ner outer surface 12 and the corresponding conical inner surface of the sleeve 2 each have a cone angle which is dimensioned such that between the inner cone of the sleeve 2 and the Outer cone of the conical element 1 in the assembled or pressed-in state of the conical element 1 results in self-locking. In this way, the cone element 1 is held in the sleeve 2 without any misalignment in the unheated state but also in the heated state.
- the outer cone angle or cone angle of the cone element 1 (relative to its center vertical, see dotted line in Fig. 1) can be approximately examples within the scope of Auscut - but also the claims - preferably less than 8 °, more preferably less than 5 ° and particularly preferably less than 2 ° and in each case, in turn, more preferably greater than 0.2 °.
- the outer diameter of the sleeve 2 (outer surface 10) in the pre-assembled state according to FIG. 3c is dimensioned so that in the assembled state (conical element 1 pressed) in the distributor block 3 in the corresponding cylindri's surfaces 9 and 10 of the distributor insert hole and
- the surface pressure of the sleeve 2 is so high that on the one hand it produces the tightness (freedom from gaps) and on the other hand the deflection and / or distribution insert 28 in the Distribution block 3 fixed.
- Such a comparable high surface pressure on cylindri's mating surfaces can only be dismantled without destruction
- the conical element 1 and the sleeve 2 of the deflection or distribution insert 28 in the distribution block 3 are held in their position.
- clamping and expansion forces in the sealing surfaces 9.10 between the inner circumference of the distributor insert bore 9 and the outer surface 10 of the sleeve 2 and between the inner circumference of the sleeve 2 and the Outer circumference of the conical element 1 are generated, which in turn generate a surface pressure in the joints, such that a tightness is given during operation with respect to polymer melts or polymeric liquids.
- the deflection and / or distribution insert 28 can be dismantled without being destroyed and thus exchanged and can be held in operation without external clamping forces (such as, for example, by thermal tension) in order to establish a force-locking connection between the distribution block and the element arrangement with sufficient surface pressure to keep it tight in the area of To get melt channel transitions.
- a first step A) the conical element 1 is provided as a semi-finished part, the sleeve 2 as a semi-finished part and the distributor block 3 and preferably also the locking pin 4.
- a distributor insert bore 9 and shoulders with stop surfaces 15 and 18 are introduced into the distributor block 3.
- a pin hole 20 can be formed in the distributor block, see FIG. 2.
- one or more melt channels can also be formed now or beforehand, for example by a deep hole drilling process.
- a height and possibly a lateral offset of the melt channels 5 and 8 present in the distributor block in relation to the stop surface 18 or to the position of the locking pin 4 are determined.
- a distance between the two stop surfaces 15 and 18 of the paragraphs and the actual diameter dimensions of the melt channels 5 and 8 are preferably determined and the actual diameter of the distributor insert hole 9 is determined.
- a fourth step D) see Fig. 3a-3c - the semi-finished part of the sleeve 2 - that is, the sleeve 2 without melt channel bores and allowance on the cylindrical outer surface 10 - and the semi-finished part of the conical element 1 - that is, the cone element 1 with an allowance the stop surface 14 - put together as part of a Vormontageschrit TES and pressed outside of the distributor block 3 with a regulated force FVM, so that a defined elastic expansion of the outer diameter of the sleeve 2 is created.
- a polygonal projection 19 of the conical element 1 ensures a clear assignment to the prefabricated melt channels 6 and 21 of the conical element 1 in relation to a locking recess 22 of the sleeve 2.
- the widening value is chosen so that, when the sleeve 2 - conical element 1 combination is later fitted (press-fitted) into the distributor insert bore 9 of the distributor block 3, a sufficient surface pressure - preferably in the order of 200 up to 300 N / mm 2 .
- an oversized outer diameter 10 the sleeve 2 pressed with the conical element 1 is adjusted to the dimension corresponding to the precisely measured diameter of the distributor insert bore 9 after the second step B, plus the surcharge corresponding to the defined expansion Step D edited. Furthermore, the stop surface 14 provided with an oversize on the flange 13 of the conical element 1 is machined to the precisely measured distance between the stop surfaces 15 and 18 of the distributor block 3, corresponding to the measurement after the third step C.
- the stop surface / flange surface 17 of the sleeve 2 can be the reference surface bil, see Fig.3c.
- the dimension between the stop surfaces 14 of the conical element 1 and the stop surface 17 of the sleeve 2 corresponds to the measured distance between the surfaces 15 and 18 of the distributor block 3.
- the stop surface 14 limits the insertion depth of the conical element 1 into the distributor block 3.
- the recess 22 on the sleeve 2 for the locking pin 4 is also the dimensional reference for the bore correction.
- the stop surface 17 limits the depth of insertion of the sleeve 2 into the distributor block 3.
- the sleeve 2 with the recess 22 in conjunction with the locking pin 4 and the pin hole 20 has a positioning device by which the position of the sleeve 2 in the distributor block 3 is predetermined .
- a sixth step F after the correction of the conical element 1 and the sleeve 2 into which the conical element 1 is pressed, the sleeve 2 and the conical element 1 are pushed apart again.
- a lower force FVL ⁇ FVM is necessary for this, the height of FVL depending on the cone angle and the coefficient of friction between the conical outer surface of the conical element 1 and the conical borehole of the sleeve 2.
- a seventh step G) the sleeve 2 can thereby be pushed into the distributor insert hole 9 of the distributor block 3 in the direction X according to FIG. 4 with a force F -wherein F is smaller than FVM- (clearance fit) and by means of the previously installed locking device pin 4 and the corresponding recess 22 on the flange 16 of the sleeve 2 are positioned in the exact direction until the stop surfaces 17 and 18 of the sleeve 2 and the distributor block 3 touch, as shown in FIG.
- step H the distributor block 3 with the sleeve 2 pushed in and the locking pin 4 mounted on a flange 16 is supported.
- step I the conical element 1 is inserted into the sleeve 2 in a ninth step I), so that the melt channel sections 5 and 6 each have a continuous and offset-free flow channel through the sleeve via the polygon geometry 19, which corresponds positively to a polynomial geometry of the sleeve 2 2 and the Ko nuselement 1 can form.
- step I) the conical element 1 is pressed into the sleeve 2 with the assembly force FM until the stop surfaces 14 and 15 touch.
- the pressing process produces, because of the pre-assembled diameter of the outer surface 10 of the sleeve 2 with oversize, the necessary surface pressure in the sealing surfaces 9 and 10 and 11 and 12, preferably in a magnitude of 200-300 N / mm 2 , as it is required for polymer processing in order to achieve a metallic sealing effect.
- the assembly technology described also offers the possibility of additional sealing elements, such as. B. rubber-based sealing rings, as they are useful when processing very thin polymers.
- a sealing element 26 - e.g. a sealing ring after the sleeve 2 has been pushed into the distributor block 3. This advantageously reduces the risk of damage to the sealing elements 26, since they do not have to be pushed over sharp edges.
- the conical element 1 is pressed in. Due to the conical jacket surface of the conical element, the sealing elements are gently deformed and a uniform sealing effect is achieved over the entire circumference of the sealing elements.
- the deflection and / or distribution insert is mounted without gaps and without any offset or offset on flow channel transitions 25 by means of a press-fit process and is held in the distribution block 3 in a self-locking manner.
- a drive-out surface can be arranged on the conical element 1, which can be reached via a clearance in the distributor block 3 and the sleeve 2 with a drive-out wedge.
- a press can be used with a sleeve 2 and a cone element 1, which can be reached from both Be th in the manifold block 3, and the cone element 1 and possibly the sleeve 2 are pushed out against the assembly direction.
- a threaded hole or a threaded pin could be provided on the conical element 1, into which a device is screwed or is screwed on, with which the conical element 1 can then be pulled out.
- the embodiment described here shows an assembly of the sleeve 2 and the cone element 1 from opposite assembly directions.
- mount the sleeve 2 and the conical element 1 with the same mounting direction, so that the device could, for example, also be used in a blind hole.
- the conical element 1 and the sleeve 2 can thus be removed from the opening in the distributor block 3 one after the other and in the same direction.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/440,252 US11878452B2 (en) | 2019-03-19 | 2020-03-05 | Hot or cold runner device for an injection mold comprising an exchangeable deflection and distribution insert |
CA3128799A CA3128799A1 (en) | 2019-03-19 | 2020-03-05 | Hot or cold runner device for an injection mold comprising an exchangeable deflection and distribution insert |
DE112020001335.9T DE112020001335A5 (de) | 2019-03-19 | 2020-03-05 | Heiß- oder Kaltkanalvorrichtung für ein Spritzgießwerkzeug mit einem wechselbaren Umlenk- und Verteileinsatz |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019106975.0A DE102019106975A1 (de) | 2019-03-19 | 2019-03-19 | Heiß- oder Kaltkanalvorrichtung für ein Spritzgießwerkzeug mit einem wechselbaren Umlenk- und Verteileinsatz |
DE102019106975.0 | 2019-03-19 |
Publications (2)
Publication Number | Publication Date |
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WO2020200625A1 true WO2020200625A1 (de) | 2020-10-08 |
WO2020200625A8 WO2020200625A8 (de) | 2021-08-26 |
Family
ID=69780184
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2020/055839 WO2020200625A1 (de) | 2019-03-19 | 2020-03-05 | HEIß- ODER KALTKANALVORRICHTUNG FÜR EIN SPRITZGIEßWERKZEUG MIT EINEM WECHSELBAREN UMLENK- UND VERTEILEINSATZ |
Country Status (4)
Country | Link |
---|---|
US (1) | US11878452B2 (de) |
CA (1) | CA3128799A1 (de) |
DE (2) | DE102019106975A1 (de) |
WO (1) | WO2020200625A1 (de) |
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EP0845345A1 (de) * | 1996-11-29 | 1998-06-03 | EWIKON Heisskanalsysteme GmbH & CO. Kommanditgesellschaft | Verbindungsanordung für Schmelzkanalabschnitte in Heisskanälen |
DE19730179C1 (de) * | 1997-07-15 | 1998-10-22 | Hasco Normalien Hasenclever Co | Stopfenartiger Einsatz zur Masseleitung in masseführenden Werkzeugteilen von Kunststoffspritzgießformen od.dgl. |
EP0590678B1 (de) | 1992-09-30 | 1999-01-20 | Husky Injection Molding Systems Ltd. | Buchse für Heisskanalverteiler |
DE102007004066A1 (de) * | 2006-01-26 | 2007-08-23 | Mold-Masters Ltd., Georgetown | Einsatz für eine Spritzgießvorrichtung |
EP2025491A1 (de) | 2007-07-30 | 2009-02-18 | ifw Manfred Otte GmbH | Heißkanalverteiler für scherempfindliche Kunstoffmassen oder Metalle |
EP2925502B1 (de) | 2012-12-03 | 2017-01-04 | Fostag Formenbau AG | Spritzgusswerkzeug mit heisskanalverteiler |
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GB1322736A (en) * | 1969-12-09 | 1973-07-11 | Lucas Industries Ltd | Apparatus for hot runner injection moulding |
US3940224A (en) * | 1974-01-16 | 1976-02-24 | Package Machinery Company | Constant velocity manifold for injection molding machine |
US4017242A (en) * | 1975-10-28 | 1977-04-12 | The Mcdowell-Wellman Engineering Company | Injection molding apparatus |
US4292018A (en) * | 1980-05-21 | 1981-09-29 | Beatrice Foods Co. | Double nozzle block |
CA1230473A (en) * | 1985-11-21 | 1987-12-22 | Arthur Harrison | Method of manufacturing injection molding manifold with plugs |
DE3644523A1 (de) * | 1986-09-25 | 1988-07-14 | Agfa Gevaert Ag | Verfahren zur herstellung eines spritzgiesswerkzeuges |
CA1278409C (en) * | 1989-06-30 | 1991-01-02 | Jobst Ulrich Gellert | Injection molding system having dual feed bushing seated in manifold |
CA2047461A1 (en) * | 1991-07-19 | 1993-01-20 | Jobst Ulrich Gellert | Injection molding manifold with removable inserts |
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2020
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- 2020-03-05 US US17/440,252 patent/US11878452B2/en active Active
- 2020-03-05 WO PCT/EP2020/055839 patent/WO2020200625A1/de active Application Filing
- 2020-03-05 CA CA3128799A patent/CA3128799A1/en active Pending
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Also Published As
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US20220176603A1 (en) | 2022-06-09 |
DE102019106975A1 (de) | 2020-09-24 |
CA3128799A1 (en) | 2020-10-08 |
WO2020200625A8 (de) | 2021-08-26 |
US11878452B2 (en) | 2024-01-23 |
DE112020001335A5 (de) | 2022-01-20 |
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