Injection unit, and method for the adjustment thereof

B - Operations – Transporting – 29 – C

Patent

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Details

B29C 45/07 (2006.01) B29C 45/17 (2006.01)

Patent

CA 2551028

The invention relates to a method and an injection unit which is movable on runners (6) of the frame (7) of an injection molding machine with the aid of a running gear (40) and comprises a drive unit (10, 23) for axially displacing and pressing the plasticizing cylinder (2) to the injection mold. According to the invention, the tip (16) of the plasticizing cylinder (16) is adjusted on both a vertical and a horizontal plane via a slight rotary movement of the entire injection unit (1) prior to the production of the concentric scaling connection to the injection port (17) of the mold is insufficient, The inventive injection unit (1) is supported via a support (5) that is disposed so as to be movable on the frame (7) of the injection-molded part while being provided with an individual drive unit (10, 23) via which the plasticizing cylinder (2) can be pressed to the injection mold so as to create a concentric sealing connection thereto.

La présente invention concerne un procédé et une unité d'injection qui peut se déplacer avec un mécanisme de déplacement (40) sur des glissières (6) du montant (7) d'une machine de moulage par injection et qui présente une unité d'entraînement (10, 23) conçue pour déplacer en direction axiale et presser le cylindre de plastification (2) sur le moule de moulage par injection. Le dispositif selon cette invention est caractérisé en ce que la pointe (16) du cylindre de plastification est ajustée à la fois dans un plan vertical et dans un plan horizontal, par un léger mouvement de rotation de l'ensemble de l'unité d'injection (1), avant la production, lorsque la connexion d'étanchéité concentrique à l'orifice d'injection (17) est insuffisante et en ce que l'unité d'injection (1) est soutenue sur un support (5) pouvant se déplacer sur le montant (7) de la partie de moulage par injection et présente un mécanisme d'entraînement individuel (10, 23) permettant de presser le cylindre de plastification (2) sur le moule de moulage par injection avec une connexion d'étanchéité concentrique.

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