EP1786610A1 - Dispositif pour mouler des objets, comportant un capteur de pression ou de temperature accouplable - Google Patents

Dispositif pour mouler des objets, comportant un capteur de pression ou de temperature accouplable

Info

Publication number
EP1786610A1
EP1786610A1 EP05790133A EP05790133A EP1786610A1 EP 1786610 A1 EP1786610 A1 EP 1786610A1 EP 05790133 A EP05790133 A EP 05790133A EP 05790133 A EP05790133 A EP 05790133A EP 1786610 A1 EP1786610 A1 EP 1786610A1
Authority
EP
European Patent Office
Prior art keywords
sensor
insert
cavity
coupling part
line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP05790133A
Other languages
German (de)
English (en)
Inventor
David Dreher
Christopherus Bader
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.)
Priamus System Technologies AG
Original Assignee
Priamus System Technologies AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=35530298&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1786610(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Priamus System Technologies AG filed Critical Priamus System Technologies AG
Publication of EP1786610A1 publication Critical patent/EP1786610A1/fr
Ceased 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
    • 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
    • B29C45/2673—Moulds with exchangeable mould parts, e.g. cassette moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/77—Measuring, controlling or regulating of velocity or pressure of 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76003—Measured parameter
    • B29C2945/76006—Pressure
    • 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76003—Measured parameter
    • B29C2945/7604—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76177—Location of measurement
    • B29C2945/76254—Mould
    • B29C2945/76257—Mould cavity
    • B29C2945/7626—Mould cavity cavity walls
    • 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76177—Location of measurement
    • B29C2945/7629—Moulded 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76177—Location of measurement
    • B29C2945/76294—Inserts
    • 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76451—Measurement means
    • B29C2945/76454—Electrical, e.g. thermocouples
    • 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76451—Measurement means
    • B29C2945/76454—Electrical, e.g. thermocouples
    • B29C2945/76458—Electrical, e.g. thermocouples piezoelectric
    • 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
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
    • B29C2945/76494—Controlled parameter
    • B29C2945/76648—Sequence, e.g. the order in which operations are conducted
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/78—Measuring, controlling or regulating of temperature

Definitions

  • the invention relates to a device for molding objects in a cavity, which is at least partially formed by an insert in a mold plate.
  • objects are filled by filling a cavity in a mold z. B. made with thermoplastic materials.
  • this molding process must be monitored.
  • the filling operation is controlled so that an initially speed-controlled phase is followed by a pressure-controlled phase which lasts until the end of the filling process.
  • the filling situation achieved in which the mold cavity is completely wetted with plasticizable mass, the internal pressure of the interior of the mold cavity is still relatively low.
  • Process monitoring and process control uses pressure and temperature sensors installed in the injection mold so that the front of the sensor touches the plastic part to be produced. Such an arrangement is described, for example, in DE 101 14 228 A1. For the measurement of piezoelectric signals usually highly insulating lines are used.
  • the present invention is based on the object, a device of o. G.
  • sensors in particular for pressure and temperature, can also be used in tools in which the cavities are formed by inserts.
  • the clutch itself is designed as a quick coupling without locking.
  • the easiest way is likely to be a plug-in coupling, in which a plug is inserted into a box. If the sensor is located very close to its coupling part, an extra line is unnecessary. As a rule, however, the sensor should be connected to its first coupling part via a line, while the second coupling part is followed by a line, for example, to a connection to a signal evaluation unit.
  • the senor is a cavity internal pressure sensor.
  • care must be taken to ensure that the cables are highly insulating, since even there a touch of a finger due to finger swelling is sufficient to remove the insulation.
  • these lines have a resistance of at least 10 12 ohms.
  • WO 02/082023 A1 proposes, for example, a method for automatically detecting the sensitivity of sensors, in which the sensor is assigned a resistance of a specific size, by means of which the sensor is assigned to a specific sensor group having a predetermined sensitivity range. That is, the sensitivity of the cavity pressure sensor is encoded by means of a resistor. For this information, an additional line must be provided in the present invention and also decoupled.
  • a temperature sensor is disposed in the insert.
  • the clutch must be for this
  • thermocouple made of the same material as the thermocouple itself.
  • thermocouple There are various material compositions for a thermocouple. Only, for example, the composition of nickel / chromium / nickel is mentioned. If such a thermocouple is selected, then the line should be made of the same material. Incidentally, with the present invention, not only highly insulating piezoelectronic lines but also lines not highly insulating can be separated.
  • Figure 1 is a partially cross-sectional side view of a mold
  • Figure 2 is a plan view of a sensor arrangement according to the invention.
  • an injection mold P has a fixed mold plate 1 and a movable mold plate 2. Both plates 1 and 2 are each associated with a stationary platen 3 and 4, wherein between the platen 4 and the movable mold plate 2 is still a means 5 for moving the movable mold plate 2 is provided.
  • a trough 9 is formed, which forms a mold cavity or a cavity 12 with a core 10, which protrudes from an insert 11 in the movable mold plate 2.
  • the insert 11 is also removably seated in a recess 13 in the movable mold plate 2 and is held there by fastening bolts 14.1 and 14.2.
  • a stepped bore 15 is formed, in the front region of a sensor 16 is seated.
  • a sensor front 17 is seated in the plane of a cavity inner wall 18. This forms the surface of the core 10.
  • the sensor 16 is connected via a line 19 with a first coupling part 20, which forms a quick coupling 23 with a second coupling part 21, which sits in a bore 22 in the movable mold plate 2.
  • the second coupling part 21 is connected via a line 24 to a fixed terminal 25, to which then a signal evaluation unit not shown in detail is connected.
  • the quick coupling 23 is a plug-in coupling.
  • the first coupling part 20 forms a socket into which a plug 26 of the second coupling part 21 can engage.
  • a ringwall 27 secures a connection in the box.
  • the senor 16 is inserted into the stepped bore 15 of the insert 11, so that the sensor front 17 is in the plane of the cavity inner wall 18.
  • the sensor 16 is connected via the line 19 with the first coupling part 20, the can opening is located approximately in the plane of the insert base 28.
  • Patent Attorneys European Patent Attomey

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

L'invention concerne un dispositif pour mouler des objets dans une cavité (12), formée au moins partiellement par un insert (6,11) dans une plaque de moule (1,2). Un capteur (16) raccordé à une première partie d'accouplement (20), à laquelle est associée une deuxième partie d'accouplement (21), est situé dans un insert (11) en direction de la paroi interne de cavité (18) formée par l'insert.
EP05790133A 2004-09-06 2005-09-02 Dispositif pour mouler des objets, comportant un capteur de pression ou de temperature accouplable Ceased EP1786610A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004043443A DE102004043443B3 (de) 2004-09-06 2004-09-06 Vorrichtung zum Formen von Gegenständen
PCT/EP2005/009464 WO2006027173A1 (fr) 2004-09-06 2005-09-02 Dispositif pour mouler des objets, comportant un capteur de pression ou de temperature accouplable

Publications (1)

Publication Number Publication Date
EP1786610A1 true EP1786610A1 (fr) 2007-05-23

Family

ID=35530298

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05790133A Ceased EP1786610A1 (fr) 2004-09-06 2005-09-02 Dispositif pour mouler des objets, comportant un capteur de pression ou de temperature accouplable

Country Status (6)

Country Link
US (1) US7476095B2 (fr)
EP (1) EP1786610A1 (fr)
JP (1) JP4767955B2 (fr)
KR (1) KR20070072487A (fr)
DE (1) DE102004043443B3 (fr)
WO (1) WO2006027173A1 (fr)

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Publication number Priority date Publication date Assignee Title
WO2003031146A1 (fr) 2001-10-12 2003-04-17 Mold-Masters Limited Tige de soupape a thermocouple
US7182893B2 (en) 2002-10-11 2007-02-27 Mold-Masters Limited Valve gated nozzle having a valve pin with a sensor
PL2205956T3 (pl) * 2007-10-22 2013-11-29 Kistler Holding Ag Układ pomiarowy we wtryskarce
AT506091B1 (de) * 2008-02-21 2009-06-15 Piezocryst Advanced Sensorics Messanordnung mit zumindest einem piezoelektrischen sensor
DE102008053306A1 (de) * 2008-10-27 2010-05-27 Priamus System Technologies Ag Vorrichtung zum Ermitteln von Messgrössen in einem Spritzgiesswerkzeug
US8425217B2 (en) * 2009-12-23 2013-04-23 Rodney J. Groleau Method for installing indirect and direct mold pressure, temperature and flow front detection sensors without machining the mold
WO2015017643A1 (fr) 2013-08-01 2015-02-05 iMFLUX Inc. Machines à mouler par injection et procédés tenant compte des variations des propriétés du matériau lors des opérations de moulage par injection
CA2919378C (fr) 2013-08-01 2017-11-07 Imflux, Inc. Machines de moulage par injection et procedes permettant de tenir compte de changements dans des proprietes physiques des matieres pendant des campagnes de moulage par injection
US8980146B2 (en) 2013-08-01 2015-03-17 Imflux, Inc. Injection molding machines and methods for accounting for changes in material properties during injection molding runs
DE202013007964U1 (de) * 2013-09-06 2013-09-25 Braunform Gmbh Werkzeug zum Spritzgießen von Kunststoffteilen
DE102016210589A1 (de) * 2016-06-15 2017-12-21 Bayerische Motoren Werke Aktiengesellschaft Fertigungswerkzeug mit integriertem Drucksensor
DE102016113088A1 (de) 2016-07-15 2018-01-18 Priamus System Technologies Ag Vorrichtung zum Formen von Gegenständen
TWI689711B (zh) 2018-12-26 2020-04-01 財團法人工業技術研究院 感測模組
TWI753713B (zh) 2020-12-21 2022-01-21 財團法人工業技術研究院 具校正功能之壓力感測器及其校正方法
KR102682654B1 (ko) * 2022-05-02 2024-07-09 주식회사 이몰디노 성형 제품의 품질 관리를 위한 센싱장치
KR102682657B1 (ko) * 2022-05-02 2024-07-09 주식회사 이몰디노 사출성형제품의 품질 관리를 위한 사출성형제품품질 분석 감시시스템
DE102022117755A1 (de) * 2022-07-15 2024-01-18 Priamus System Technologies, Zweigniederlassung der Barnes Group Suisse Industries GmbH Sensoreinheit zur Überwachung einer Kavität in einer Spritzgiessform

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Also Published As

Publication number Publication date
WO2006027173A1 (fr) 2006-03-16
DE102004043443B3 (de) 2006-02-02
JP4767955B2 (ja) 2011-09-07
KR20070072487A (ko) 2007-07-04
US7476095B2 (en) 2009-01-13
US20070248715A1 (en) 2007-10-25
JP2008512267A (ja) 2008-04-24

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