DEVICE FOR MOULDING OF PARTS FROM THERMOPLASTIC FILM Russian patent published in 2000 - IPC

FIELD: equipment for pneumatic moulding of parts from thermoplastic film, in particular, multi-station belt-type machines with stations of different designation for manufacture of the "Blister"-type package. SUBSTANCE: device has a frame, preheating unit, moulding unit, film step feeding unit, cutting unit and film guides. The device has plates according to the number of units and guides for the plates. Each unit is mounted on a separate plate. The plate guides are rigidly attached to the two opposite sides of the frame over its entire length. Each plate is installed on the plate guides. The film guides are made in the form of at least one pair of brackets-stops connected by a mechanism for their movement, and located before the preheating unit and before the cutting unit. The mechanism for movement of the brackets - stops is made in the form of a lead screw with a right-hand and left-hand thread on its one and other ends respectively. The lead screw makes up two screw pairs with nuts, each carrying a bracket-stop. Each plate is installed on the plate guides by means of two beam-type supports, each support embraces with its ends the external surface of the plate guides and is attached to the latter by a detachable joint. EFFECT: quick and simple re-adjustment of the device for manufacture of products of another standard size. 3 cl, 4 dwg