WO2008112098A1 - Procédé et appareil de formation d'une garniture d'étanchéité moulée sur place - Google Patents

Procédé et appareil de formation d'une garniture d'étanchéité moulée sur place Download PDF

Info

Publication number
WO2008112098A1
WO2008112098A1 PCT/US2008/002856 US2008002856W WO2008112098A1 WO 2008112098 A1 WO2008112098 A1 WO 2008112098A1 US 2008002856 W US2008002856 W US 2008002856W WO 2008112098 A1 WO2008112098 A1 WO 2008112098A1
Authority
WO
WIPO (PCT)
Prior art keywords
mold
work piece
station
gasket
curing
Prior art date
Application number
PCT/US2008/002856
Other languages
English (en)
Inventor
Robert P. Cross
Debora E. Duch
Anthony R. Horelik
Gregory A. Krueger
Original Assignee
Henkel Corporation
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 Henkel Corporation filed Critical Henkel Corporation
Publication of WO2008112098A1 publication Critical patent/WO2008112098A1/fr

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
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
    • B29C2045/0075—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping curing or polymerising by irradiation
    • 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
    • B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
    • 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
    • B29C45/03—Injection moulding apparatus
    • B29C45/04—Injection moulding apparatus using movable moulds or mould halves
    • B29C45/0433—Injection moulding apparatus using movable moulds or mould halves mounted on a conveyor belt or chain
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints

Definitions

  • the present invention relates generally to a method an apparatus for forming a mold-in-place gasket by liquid injection molding. More particularly, the present invention relates to a method and apparatus for forming a cured gasket directly on a work piece.
  • Mold-in-place gaskets are generally formed by liquid injection molding where the gasket forming material is dispensed directly into a mold and onto a work piece. The gasket material is then cured in place for use.
  • Typical processes for forming such gaskets include the use of upper and lower mold halves which are mated to define a mold cavity therebetween which supports the work piece. Liquid gasketing material such as UV curable material is injected into the mold cavity. Once injected, the gasketing material is subjected to radiation, such as UV radiation to cure the gasket material in place.
  • Liquid gasketing material such as UV curable material is injected into the mold cavity. Once injected, the gasketing material is subjected to radiation, such as UV radiation to cure the gasket material in place.
  • an apparatus for forming the mold-in-place gasket on a work piece.
  • the apparatus including a loading station for placing the work piece in the mold.
  • An injection station is provided for injecting a curable gasket composition onto the work piece.
  • a curing station applies curing energy to the gasket composition on the work piece.
  • An ejection station ejects the work piece from the mold with the gasket material thereon.
  • a transfer system provides for the transference of the mold among the loading station, the injection station, the curing station and the ejection station.
  • the method aspect of the present invention provides a method of forming a mold- in-place gasket on a work piece.
  • the method includes loading the work piece into a mold.
  • the curable gasket material is then injected onto the work piece.
  • the curable gasket composition is then cured with curing energy.
  • the work piece including the gasket formed thereon is ejected from the mold.
  • the gasketing material is a UV-curable composition which is cured with UV energy.
  • the present invention provides a method and apparatus for forming a mold-in- place gasket directly onto a work piece.
  • the apparatus 10 of the present invention includes a load/ejection station 20, an injection station 30 and a UV-curing station 40.
  • a transfer system 50 connects each of the stations.
  • the present invention provides a load station 20 where a work piece 21, which is the part on which the gasket material is to be placed, is loaded into a mold 22 between upper and lower mold halves 23, 24.
  • the load station 20 provides for the clamping of the work piece 21 between the mold halves.
  • the transfer system 50 then transfers the clamped mold 22 to an injection station 30 where the UV curable gasketing material is injected into the mold halves and is deposited onto the work piece.
  • the transfer system 50 then transfers the mold 22, including the work piece 21 having the UV material formed thereon, to a curing station 40 where the gasketing material is cured in place preferably with ultra violet (UV) energy.
  • UV ultra violet
  • the work piece 21 including the cured gasket 25 in the mold 22 is transferred to the ejection station which opens the mold 22 and ejects the work piece 21 therefrom.
  • the system controls include various components which operate the system.
  • the system control components include a solenoid valve, machine function sensors, safety sensors, ASI in-put output modules, monitor centers, power distribution to on/off line control, light touch screen, alarm light as well as an improved electrical enclosure capable of housing all electrical drives, controls and wires.
  • the mold 22, shown in the more detail in Figure 7, which is employed to support the work piece is a modular pallet transfer style mold.
  • the mold includes, a mold base and a flexible mold sub-frame assembly (not shown).
  • the mold supports the sub-frame for quick removal therefrom.
  • the mold sub-frame supports the work piece 21 and allows for quick change thereof.
  • a removable UV transmissive glass plate 26 (Figure 3) is used to support the mold sub- frame in the mold base.
  • the glass plate 26 overlies the work piece 21. Rubber cushions seal the glass piece over the mold base.
  • Various clamps are used to lock and unlock the mold components.
  • the load station 20 shown in more detail in Figure 4, provides for positioning of the mold.
  • the load station 20 also delivers the bottom mold half up to the top mold half to secure the work piece 21 therebetween.
  • the load station provides for clamping of the mold components.
  • the load station 20 may be coextensive with and serve as the ejection station once the mold-in-place process is complete.
  • the injection station 30, shown in more detail in Figure 5, includes a custom fabricated injection cylinder as well as nozzles coupled to a pump for injecting a UV curable material onto the work piece.
  • the material employed in the present invention may be selected from a wide variety of gasketing materials which are subject to UV curing. More specifically, the UV curable material may be such material disclosed in WO2006/086324 which is incorporated by reference herein for all purposes.
  • the injection station includes components such as a pressure regulator, pressure transducers, stainless steel valve pin injection and gate nozzles, stainless steel braided hosing for the material and pneumatic connections, stainless steel flow control valves, pneumatic slide assemblies, actuation centers, a vacuum generator, a vacuum charge port, a vacuum circuit regulator, a pallet lock device, heated hoses, thermal couples, digital temperature controllers, transformer units for power supply to the heaters, piping for the material and stainless steel connections.
  • components such as a pressure regulator, pressure transducers, stainless steel valve pin injection and gate nozzles, stainless steel braided hosing for the material and pneumatic connections, stainless steel flow control valves, pneumatic slide assemblies, actuation centers, a vacuum generator, a vacuum charge port, a vacuum circuit regulator, a pallet lock device, heated hoses, thermal couples, digital temperature controllers, transformer units for power supply to the heaters, piping for the material and stainless steel connections.
  • the UV-curing station 40 shown in more detail in Figure 5, includes an elongate curing chamber or enclosure 41 that is integrated with the powered section of the transfer system.
  • the UV curing station 40 includes a UV curing light with power supplies and mounting structure.
  • An adjustable hand crank allows for height adjustment of the work piece.
  • the curing chamber includes light curtains at either end thereof and a sensor for monitoring chamber temperature.
  • Remote RF sensors monitor microwave leakage in the chamber.
  • Various other sensors such as pallet sensors and air filter sensors are also employed. Input/output connections allow remote control from the computer controller.
  • Each of the stations are connected by a conveyor/transfer system 50 which is arranged in a closed loop preferably rectangular in configuration.
  • the conveyor based transfer system includes features mounted thereon such as anti rebound components, control interfaces, switches, connector cables, conduit, routing wire trays and protectors.
  • a vacuum pump is attached to retain the work piece21 in an upper platen.
  • a load station actuation button is pushed to start the automated sequence.
  • Pneumatic mold clamp locks are charge in the open position.
  • a ram delivers mold to the upper platen.
  • the pneumatic mold clamp locks are then charged in the closed position.
  • An upper mold plate gripper retainer is actuated to the open position.
  • a pneumatic charge in the mold clamps is turned off. The ram reacts with the clamp mold. This effectively locks the mold for transfer.
  • the mold 22 is then transferred to the injection station 30.
  • the mold is sent to a position sensor in the injection station.
  • a lift lifts the mold off of the transfer rails of the transfer station.
  • An injection ram cylinder delivers the nozzle to the gate location on the mold.
  • the nozzle valve pin opens.
  • the UV curable material is then dispensed onto the work piece using a robocylinder.
  • the vent ram cylinder operates the vent nozzle to vent the mold during injection.
  • the vent nozzle valve pin opens and the vent vacuum is initiated.
  • the injection ram cylinder retracts the vent nozzle.
  • the mold is then delivered back to the transfer rail.
  • the cylinder is refilled for the next cycle.
  • the mold 22 is next transferred to the UV curing station 40.
  • a transfer belt carries the mold through the UV chamber 41 at an adjustable speed. UV energy is turned on when the mold passes over a proximity switch. UV energy is turned off when the mold passes over a second proximity switch. UV energy is delivered to the gasketing material through the glass piece in the mold. The energy is applied for a time sufficient to cure the gasketing metal.
  • the mold 22 is delivered to the load station 20 which now serves as an ejection station for ejection of the part.
  • the actuation button is pushed to start the automatic sequence for part removal.
  • a ram delivers the mold to the upper platen.
  • a ram then actuates downward to deliver the bottom half of the mold to an un-load position. The work piece can then be removed from the bottom half of the mold.
  • the mold-in-place system described above maybe operated in an auto cycle mode. However, all integrated actuation can also be run independently in a manual mode.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

La présente invention concerne un procédé et un appareil de formation d'une garniture d'étanchéité moulée sur place sur une pièce de travail. Un poste de chargement sert à charger la pièce de travail dans un moule. Un poste d'injection injecte le matériau de garniture d'étanchéité durcissant aux UV sur la pièce de travail. Un poste de durcissement aux UV applique l'énergie UV au matériau de garniture d'étanchéité pour durcir le matériau. Un poste d'éjection sert à éjecter du moule la pièce de travail, y compris la garniture d'étanchéité formée dessus. Un système de transfert sert à transférer la pièce de travail entre le poste de chargement, le poste d'injection, le poste de durcissement aux UV et le poste d'éjection.
PCT/US2008/002856 2007-03-09 2008-03-04 Procédé et appareil de formation d'une garniture d'étanchéité moulée sur place WO2008112098A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US90603007P 2007-03-09 2007-03-09
US60/906,030 2007-03-09

Publications (1)

Publication Number Publication Date
WO2008112098A1 true WO2008112098A1 (fr) 2008-09-18

Family

ID=39759806

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2008/002856 WO2008112098A1 (fr) 2007-03-09 2008-03-04 Procédé et appareil de formation d'une garniture d'étanchéité moulée sur place

Country Status (1)

Country Link
WO (1) WO2008112098A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110133366A1 (en) * 2005-02-07 2011-06-09 Henkel Corporation Injection molding process, apparatus and material for forming cured-in-place gaskets

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5686032A (en) * 1993-11-17 1997-11-11 Toyota Jidosha Kabushiki Kaisha Process of forming a gasket directly on workpiece, using a mold clamped to the workpiece
WO2005090058A1 (fr) * 2004-03-19 2005-09-29 Recticel Ensemble panneau et son procede de fabrication
JP2007500633A (ja) * 2003-05-16 2007-01-18 デュポン パフォーマンス エラストマーズ エルエルシー Ｕｖ硬化性シーリング・アセンブリの製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5686032A (en) * 1993-11-17 1997-11-11 Toyota Jidosha Kabushiki Kaisha Process of forming a gasket directly on workpiece, using a mold clamped to the workpiece
JP2007500633A (ja) * 2003-05-16 2007-01-18 デュポン パフォーマンス エラストマーズ エルエルシー Ｕｖ硬化性シーリング・アセンブリの製造方法
WO2005090058A1 (fr) * 2004-03-19 2005-09-29 Recticel Ensemble panneau et son procede de fabrication

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110133366A1 (en) * 2005-02-07 2011-06-09 Henkel Corporation Injection molding process, apparatus and material for forming cured-in-place gaskets

Similar Documents

Publication Publication Date Title
JPH049127B2 (fr)
US4702877A (en) Method for molding concrete blocks or bricks
US4836762A (en) Apparatus for molding concrete blocks or bricks
KR20140007344A (ko) 열처리 강화 시스템 및 방법
US20080317893A1 (en) Integrated system for producing composites
KR950000179B1 (ko) 연속 성형 방법 및 그의 장치
CA2076162C (fr) Machine de moulage par injection comprenant des moules a remplacement rapide
JP6784728B2 (ja) 熱処理及び固化システム並びにその方法
KR20080040485A (ko) 핫 멜트를 이용한 저온 저압 사출기
CN115071048A (zh) 一种数码电子模块自动注塑方法、注塑装置
WO2008112098A1 (fr) Procédé et appareil de formation d'une garniture d'étanchéité moulée sur place
US6113827A (en) Method for molding and curing silicone
US4944907A (en) Method for molding concrete blocks or bricks
JP2521620B2 (ja) 成形材料を射出するための方法及び装置
US5286186A (en) Apparatus for injection into a self-clamping mold
KR102225042B1 (ko) 사출 금형장치
US4124343A (en) Injection molding divers articles in selectably ordered sequence
CN114734003A (zh) 超大型制芯装置
KR102169158B1 (ko) 필름 성형 장비
CN211590589U (zh) 全自动热压式注浆成型机
JP5242307B2 (ja) 射出成形装置及び射出成形方法
CN212948717U (zh) 一种汽车橡胶产品生产用注射成型硫化机
CN220390063U (zh) 一种通用式封胶硫化装置
WO2022092618A1 (fr) Appareil d'injection de polyuréthane coulé
US20230134832A1 (en) Injection Molding System

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08726398

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 08726398

Country of ref document: EP

Kind code of ref document: A1