Movement apparatus for the injection assembly of a moulding machine for plastics
AssigneeNegri Bossi S.p.A.
InventorMeschia Maurilio
Life of this patent
Estimating the term…
Abstract
In a moulding machine for plastics comprising an injection assembly (1) mounted slidably on a frame of the machine and a moulding assembly (30) comprising a mould half (8) mounted on a fixed plate (6) integral with the machine frame, a movement apparatus (200) for the injection assembly comprises a chain transmission (209) connected to the injection assembly (1), a drive unit (211) that drives the chain transmission (209) to move the injection assembly (1) toward the moulding assembly (30) and return means (220) connected to the injection assembly (1) to allow the injection assembly (1) to be moved away from the moulding assembly (30).
Claims9
A movement apparatus (200) for the injection assembly of a moulding machine for plastics, the machine comprising an injection assembly (1) slidably mounted on a frame of the moulding machine and a moulding assembly (30) comprising a mould half (8) mounted on a fixed plate (6) integral to the machine frame, the driving apparatus (200) comprising a chain transmission (209) connected to said injection assembly (1), and a drive unit (211) which drives said chain transmission (209) to move the injection assembly (1) toward the moulding assembly (30), characterized in that it comprises return means (220) connected to said injection assembly (1) to allow the injection assembly (1) to be moved away from the moulding assembly (30), said return means comprising spring means (220) connected to said injection assembly (1) and to the fixed frame of the moulding machine.
A movement apparatus (200) for the injection assembly of a moulding machine for plastics, the machine comprising an injection assembly (1) slidably mounted on a frame of the moulding machine and a moulding assembly (30) comprising a mould half (8) mounted on a fixed plate (6) integral to the machine frame, the driving apparatus (200) comprising a chain transmission (209) connected to said injection assembly (1), and a drive unit (211) which drives said chain transmission (209) to move the injection assembly (1) toward the moulding assembly (30), characterized in that it comprises return means (220) connected to said injection assembly (1) to allow the injection assembly (1) to be moved away from the moulding assembly (30), said injection assembly (1) being mounted slidably on profiled guides (204) provided on a support (240) mounted stationary on a base (5) of the moulding machine frame, and said injection assembly (1) being connected to at least one bracket (219) which has an end pin (241) mounted slidably in at least one slot (242) formed in said support (240) and said spring means (220) have one end fixed to said pin (241) and the other end fixed to said support (240).
A movement apparatus (200) for the injection assembly of a moulding machine for plastics, the machine comprising an injection assembly (1) slidably mounted on a frame of the moulding machine and a moulding assembly (30) comprising a mould half (8) mounted on a fixed plate (6) integral to the machine frame, the driving apparatus (200) comprising a chain transmission (209) connected to said injection assembly (1), and a drive unit (211) which drives said chain transmission (209) to move the injection assembly (1) toward the moulding assembly (30), characterized in that it comprises return means (220) connected to said injection assembly (1) to allow the injection assembly (1) to be moved away from the moulding assembly (30), said chain transmission comprising at least one chain (209), driven by a pinion (212) of a shaft of said drive unit (211), in which one end of said chain (209) is connected to said injection assembly (1), and the other end is connected to the fixed frame of the moulding machine by spring means (221).
Dependencies are inferred from the claim text.