Machine with two converging threaded rotors for the extrusion of plastomers elastomers and the like
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B29B-007/22
B01F-007/08
출원번호
US-0741381
(1996-10-29)
우선권정보
IT-0002415 (1995-11-21)
발명자
/ 주소
Giani Mauro Matteo,ITX
출원인 / 주소
Pomini S.P.A., ITX
대리인 / 주소
Dubno
인용정보
피인용 횟수 :
6인용 특허 :
6
초록▼
Machine with two generally converging threaded rotors (5) for the extrusion of plastomers, elastomers and the like, comprising a structure (1, 2, 3) supporting a housing (4) containing the rotors (5), a casing (6) containing a pair of reducers (7), a device (11) for generating the movement and devic
Machine with two generally converging threaded rotors (5) for the extrusion of plastomers, elastomers and the like, comprising a structure (1, 2, 3) supporting a housing (4) containing the rotors (5), a casing (6) containing a pair of reducers (7), a device (11) for generating the movement and devices (10) for synchronized transmission thereof to the two reducers (7), wherein said housing containing the rotors (5) and said casing (6) containing the reducers are rigidly fixed to the support structure (1, 2, 3) and integrally connected together via a housing (8) arranged between the two and containing first means (8a, 8c) for supporting the rotors (5), said rotors being formed in two separate parts (5a, 5b), removably joined to one another, said devices (10) for synchronized transmission of the movement being integral with the bottom part of the said casing (6) and having a high-speed shaft (12) arranged along an axis forming an angle with the axis of the associated rotor (5) and coaxial with the high-speed shaft of the other synchronized transmission device, said high-speed drive shafts (12) being coupled to the first shaft (14) of the respective reducer (7) via a bevel gear (13).
대표청구항▼
[ I claim:] [1.] A double screw extruder, comprising:a support;a housing mounted on the support;a pair of rotors extending along respective rotor axes and housed in said housing, the rotor axes converging toward each other, each of the rotors having:respective front shaft and rotor shaft removably a
[ I claim:] [1.] A double screw extruder, comprising:a support;a housing mounted on the support;a pair of rotors extending along respective rotor axes and housed in said housing, the rotor axes converging toward each other, each of the rotors having:respective front shaft and rotor shaft removably attached to each other, the rotor shaft protruding beyond and terminating outside the housing,respective centering means for aligning the respective shafts along the respective rotor axis, andrespective angular means for angularly positioning the respective shafts upon aligning, andrespective locking means for locking the front and rotor shafts upon angularly positioning the shafts;a casing mounted on said support and receiving said rotor shafts and connected with said housing;drive means on the casing for actuating said rotors and having a drive axis transverse to the rotor axes, said drive means including a pair of high-speed, spaced apart and coaxial driving shafts rotatable about the drive axis and each operatively connected with the respective rotor; andsynchronizing means formed on a bottom of the casing for synchronizing rotation of said rotors and including:coupling means for adjusting the phase difference between said driving shafts, anda pair of reducers connecting each of the high-speed driving shafts with the respective rotor and comprising:a respective reducer shaft extending along a shaft axis parallel to the respective rotor axis,respective bevel gear means for coupling each of the high-speed shafts with the respective one of the reducer shafts, a respective pair of reducer and high-speed driving shafts forming therebetween a respective angle differing from 90.degree., andrespective cylindrical gear means each mounted rotatably fixedly on the respective reducer shaft and operatively connected with the respective rotor shaft.
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이 특허에 인용된 특허 (6)
Moriyama Masao (No. 508-13 Tendocho 17 ; Nishinomiya ; Hyogo 663 JPX), Apparatus for mixing and extruding viscous liquids.
Blach Josef A. (Wilhelmstrasse 24 7144 Asperg DEX) Stade Kurt (8754 Grossostheim DEX), Processing shaft for machines for extruding, kneading, dispersing, mixing or homogenizing, in particular, plastics mater.
Schulz, Helmuth, Device for proceeding material by mixing and/or plasticization or agglomeration providing periodic enlargement or reduction to gap between screw channels.
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