Injection device and process for plastic objects

Details Injection device and process for plastic objects Injection device and process for plastic objects

B - Operations, Transporting

29

C

B29C 45/72 (2006.01) B29C 31/00 (2006.01) B29C 35/16 (2006.01) B29C 45/17 (2006.01) B29C 45/42 (2006.01) B29C 49/42 (2006.01) B29C 49/64 (2006.01) B29C 47/06 (2006.01)

Patent

CA 2511346

A plastic preforms (5) moulding device and process comprising an injection mould, containing a plurality of injection cavities, an arm (3) for extracting the preforms (5) from the mould, equipped with guillotine-like gripping elements, which moves between the existing space between the half moulds when in the open position in order to grasp the preforms and the external position, a cooling turret (6), with the faces housing a group of cups (7) for the conditioning of the preforms (5), which effects a rotational movement around a horizontal axis and a vertical translation movement between the high position under the extraction arm to receive the preforms and the low position corresponding to the extraction table of the preforms (5), on which are indented longitudinal slots with teeth shaped constrictions in order to grasp the preforms under the ring (9) and to extract them from the cups (7).

L'invention concerne un dispositif et un procédé de moulage de préformes plastiques (5), faisant intervenir un moule d'injection contenant une pluralité de cavités d'injection; un bras (3) destiné à extraire les préformes (5) du moule, pourvu d'éléments de préhension de type guillotine, se déplaçant dans l'espace existant entre les demi-moules en position ouverte afin de saisir les préformes et la position externe; une tourelle de refroidissement (6) dont les faces reçoivent un groupe de coupelles (7) pour le conditionnement des préformes (5), décrivant un mouvement de rotation autour d'un axe horizontal et un mouvement de translation vertical entre une position supérieure située sous le bras d'extraction afin de recevoir les préformes, et la position inférieure correspondant au plateau d'extraction des préformes (5), comportant des fentes longitudinales présentant des constrictions en forme de dents afin de saisir les préformes sous la bague (9) et de les extraire des coupelles (7).

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