IT1254782B - VALVE CONTROL MECHANISM FOR CONTEMPORARY SUPPLY OF DIFFERENT PLASTIC MATERIALS IN THE MIXING CHAMBER OF A MIXING HEAD - Google Patents

VALVE CONTROL MECHANISM FOR CONTEMPORARY SUPPLY OF DIFFERENT PLASTIC MATERIALS IN THE MIXING CHAMBER OF A MIXING HEAD

Info

Publication number
IT1254782B
IT1254782B ITMI920286A ITMI920286A IT1254782B IT 1254782 B IT1254782 B IT 1254782B IT MI920286 A ITMI920286 A IT MI920286A IT MI920286 A ITMI920286 A IT MI920286A IT 1254782 B IT1254782 B IT 1254782B
Authority
IT
Italy
Prior art keywords
valves
valve
systems
rods
pairs
Prior art date
Application number
ITMI920286A
Other languages
Italian (it)
Original Assignee
Kloeckner Ferromatik Desma
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 Kloeckner Ferromatik Desma filed Critical Kloeckner Ferromatik Desma
Publication of ITMI920286A0 publication Critical patent/ITMI920286A0/en
Publication of ITMI920286A1 publication Critical patent/ITMI920286A1/en
Application granted granted Critical
Publication of IT1254782B publication Critical patent/IT1254782B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/76—Mixers with stream-impingement mixing head
    • B29B7/7615—Mixers with stream-impingement mixing head characterised by arrangements for controlling, measuring or regulating, e.g. for feeding or proportioning the components

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

Meccanismo di comando di valvole per l'alimentazione contemporanea di diversi componenti di materiale plastico nella camera di miscelazione di una testa di miscelazione, nel quale ognuna delle valvole presenta un'asta di valvola per l'apertura, rispettivamente la chiusura dell'alimentazione di materiale plastico e le aste delle valvole sono collegate a coppie con un sistema di doppie leve nel quale le estremità esterne di ognuno dei due bracci delle leve sono incernierate all'asta della valvola relativa in ognuna delle valvole della coppia di valvole e le estremità interne dei due bracci di leva sono supportate girevolmente in un pistone o in una prolunga di pistone. Il movimento viene ottenuto tramite un cilindro azionato da fluido, il cui pistone aziona contemporaneamente i due bracci di leve. L'invenzione si caratterizza per il fatto che il comando di almeno due coppie di valvole adiacenti (A1, B; A2, B) è previsto un sistema di doppie leve (C1, C2) compreso fra ognuna delle coppie di valvole da comandare e le aste (SB) delle valvole che si trovano fra due sistemi di doppie leve guida le estremità interne (E1, E2) dei sistemi di doppie leve (C1, C2) lungo le aste della valvole (SB), e tali aste si muovono concordemente quando si esegue l'azionamento nello stesso senso dei sistemi di doppie leve che si trovano sui due lati e possono essere mosse in direzione reciprocamente opposta quando si esegue l'azionamento opposto dei sistemi suddetti, e pertanto spostano le aste delle valvole (SB) nei due casi di movimento (FIG. 1)Valve control mechanism for the simultaneous feeding of various plastic components into the mixing chamber of a mixing head, in which each of the valves has a valve rod for opening, respectively closing the material supply plastic and the valve rods are connected in pairs with a system of double levers in which the external ends of each of the two lever arms are hinged to the relative valve rod in each of the valves of the pair of valves and the internal ends of the two lever arms are rotatably supported in a piston or in a piston extension. The movement is obtained by means of a fluid-operated cylinder, the piston of which operates the two lever arms simultaneously. The invention is characterized in that the control of at least two pairs of adjacent valves (A1, B; A2, B) is provided with a system of double levers (C1, C2) included between each of the pairs of valves to be controlled and the valve rods (SB) located between two systems of double levers guide the internal ends (E1, E2) of the systems of double levers (C1, C2) along the valve rods (SB), and these rods move in concert when the actuation is carried out in the same direction as the double lever systems which are on both sides and can be moved in the opposite direction when the opposite actuation of the aforementioned systems is performed, and therefore the valve rods (SB) move in the two movement cases (FIG. 1)

ITMI920286A 1991-03-28 1992-02-12 VALVE CONTROL MECHANISM FOR CONTEMPORARY SUPPLY OF DIFFERENT PLASTIC MATERIALS IN THE MIXING CHAMBER OF A MIXING HEAD IT1254782B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE9103853U DE9103853U1 (en) 1991-03-28 1991-03-28 Control mechanism for valves for the simultaneous feeding of different plastic components into the mixing chamber of a mixing head

Publications (3)

Publication Number Publication Date
ITMI920286A0 ITMI920286A0 (en) 1992-02-12
ITMI920286A1 ITMI920286A1 (en) 1993-08-12
IT1254782B true IT1254782B (en) 1995-10-11

Family

ID=6865797

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI920286A IT1254782B (en) 1991-03-28 1992-02-12 VALVE CONTROL MECHANISM FOR CONTEMPORARY SUPPLY OF DIFFERENT PLASTIC MATERIALS IN THE MIXING CHAMBER OF A MIXING HEAD

Country Status (5)

Country Link
DE (1) DE9103853U1 (en)
DK (1) DK173997B1 (en)
FR (1) FR2674475B1 (en)
GB (1) GB2254132B (en)
IT (1) IT1254782B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4140787C1 (en) * 1991-12-11 1993-03-18 Kloeckner Ferromatik Desma Gmbh, 7831 Malterdingen, De Valve control mechanism contg. angularly displaced valves - can supply different plastics and colour components to mixing chamber of mixing head

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB553603A (en) * 1941-10-20 1943-05-28 Dewandre Co Ltd C Improvements in or relating to hydraulic control mechanism
GB992982A (en) * 1962-10-24 1965-05-26 R & A Main Ltd Improvements in or relating to control mechanism for gas burners
DE2550334A1 (en) * 1975-11-08 1977-05-18 Demag Kunststofftech SPOOL DEVICE FOR THE SHAPING PROCESSING OF PLASTICS

Also Published As

Publication number Publication date
GB9206448D0 (en) 1992-05-06
DK41392D0 (en) 1992-03-27
ITMI920286A1 (en) 1993-08-12
ITMI920286A0 (en) 1992-02-12
DK173997B1 (en) 2002-04-02
FR2674475A1 (en) 1992-10-02
GB2254132A (en) 1992-09-30
FR2674475B1 (en) 1994-02-18
DE9103853U1 (en) 1991-05-29
GB2254132B (en) 1994-10-05
DK41392A (en) 1992-09-29

Similar Documents

Publication Publication Date Title
US7172230B2 (en) Angular pneumatic gripper
GB1171618A (en) Rotary actuators
JPS5787933A (en) Valve pin working mechanism for injection molding
RU2004101059A (en) DRIVE DEVICE FOR PRESS FORM CONSISTING OF TWO SWIVELY CONNECTED HALF FORMS
IT1254782B (en) VALVE CONTROL MECHANISM FOR CONTEMPORARY SUPPLY OF DIFFERENT PLASTIC MATERIALS IN THE MIXING CHAMBER OF A MIXING HEAD
GB1191959A (en) Double Stroke Cylinder
DK0487635T3 (en) The closures
DE1926450B2 (en) Chamber lock for the transfer of free flowing bulk material
US1891051A (en) Operating mechanism for doors
US4641462A (en) Device for opening and closing a sliding-door
GB1422539A (en) Mining installations
US3244415A (en) Automatic door operator control systems
GB2145989A (en) Covered goods wagon
DK0561756T3 (en) A gripper conveyor
SU637316A1 (en) Device for engaging sheet-like articles
JPH0243675Y2 (en)
CH440413A (en) Compressed gas switch with multiple interruption
KR880000369B1 (en) Top end-stop attaching machine with improved topend-stop supplying apparatus
US3342303A (en) Pattern former
GB646677A (en) Improvements relating to fluid-operated vices
SU975390A1 (en) Mechanism for gripping articles
US1440055A (en) Door-operating mechanism
SU595143A1 (en) Cycle-operated robot arm
GB2016530A (en) Yarn feed and change mechanisms
SU545508A1 (en) Anchor device

Legal Events

Date Code Title Description
0001 Granted