摘要:
The invention relates to a blowing or stretch-blowing device (1) for making vessels from thermoplastic blanks with a collar, that comprises a blowing nozzle (3) mobile between an upper position and a lower position for blowing a pressurised fluid into a blank having a body provided in the moulding cavity of a mould and having a collar protruding outside the mould, the device includes a clamping means (4) provided above the mould and capable of holding a blank by the collar thereof, a holding means (20, 21) for the clamping means for moving the same between two raised or lowered positions, wherein at least one branch (7, 8) of the clamping means being transversally mobile; mechanical coupling means (5) provided between the clamping means and the blowing nozzle and capable of synchronising the movements of the clamping means with the movement of the blowing nozzle.
摘要:
The invention relates to a moulding device (1) for producing vessels by blowing or stretch-blowing from preforms of a heated thermoplastic material, said device (1) including at least one mould (2) that comprises at least two half-moulds (3, 4) and driving means (5) for moving said half-moulds (3, 4) between an open position and a closed position, said two half-moulds (3, 4) being hinged together for rotation about a hinge axis (X-X) included in the junction plane (P) and perpendicular to the axis (Y-Y) of the moulding cavity, said hinge axis (X-X) being located under the half-moulds (3, 4), while means (21) for locking the half-moulds (3, 4) in their closed position are also provided, characterised in that each half-mould (3, 4) includes an outer surface area (22) capable of abutment with an inner surface area (23) of the means (21) for locking the half-moulds (3, 4) in their closed position, and in that said locking means (21) are in the form of a clamp (25) capable of clamping the two half-moulds (3, 4) in their closed position.
摘要:
L'invention concerne une installation (20) de fabrication de récipients (18) thermoplastiques comportant : - une station (34) de revêtement de récipients comportant une roue (38) d'entrée et une roue (40) de sortie ; - une roue (42A) amont de convoyage tangente avec la roue (38) d'entrée dans une zone (54A) de tangence d'entrée ; - une roue (42C) aval de convoyage tangente avec la roue (40) de sortie dans une zone (54B) de tangence de sortie ; caractérisé en ce qu'elle comporte une roue (42B) de contournement directement tangente avec la roue (42A) amont de convoyage dans une zone (49A) de tangence amont et la roue (42B) de contournement étant directement tangente avec la roue (42C) aval de convoyage dans une zone (49B) de tangence aval.
摘要:
The invention relates to a method for placing an oven (12) for heat-treating preforms (13) into standby, comprising: a device (16) for conveying the preforms (13); at least one heating lamp (22); at least one heat-accumulation element (24, 26); and an electronic unit for controlling the heating lamps (22), characterized in that said method comprises, in series: a first switching-off step (E1) which is triggered when a stop in production is determined, and in which the heating lamps (22) are completely switched off; and then a second temperature-maintaining step (E2) which is triggered after the first step (E1), and in which the heating lamps (22) are activated at a predetermined intensity in order to reheat the accumulation elements (24, 26).