B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 45/68 (2006.01)
Patent
CA 2309984
The invention relates to a mold closure unit for an injection molding machine comprising a first device (30) provided for moving the moveable mold support (11) on the stationary mold support in a direction to and from said stationary mold support. By connecting a second device, the first device comes in contact with its rotatable element and is decoupled from the induction flux. Additional inductions produced by the second device are transmitted to the moveable mold support via a force transmission element which is in the form of a pressure pipe (19). A switching chamber (41) designed as a decoupling means which can be actuated by a hydraulic medium is arranged between the force transmission element and the supporting element (13), whereby, similar to the second device, the pressure in the switching chamber (41) can be switched in any manner. As a result, a switchable transition between the first device and the second device is obtained.
L'invention concerne une unité de fermeture de moule comportant un premier dispositif (30) servant au déplacement d'un porte-moule (11) mobile en direction du porte-moule fixe, ou à partir de celui-ci. Si l'on intercale un second dispositif, le premier dispositif vient en contact avec son élément rotatif et est coupé du flux de forces. D'autres forces produites par le second dispositif sont transmises au porte-moule mobile par l'intermédiaire d'un élément de transmission de forces se présentant sous la forme d'un tube à pression (19). Une chambre de commande (41) pouvant être soumise à l'action d'un fluide hydraulique, conçue comme un moyen de désaccouplement, est placée entre l'élément de transmission de forces et l'élément de support (13), la pression régnant dans la chambre de commande (41) pouvant être mise en circuit à volonté, tout comme le second dispositif. On obtient ainsi une transition pouvant être commandée entre le premier dispositif et le second dispositif.
Hehl Karl
Mbm Intellectual Property Law Llp
LandOfFree
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