Constant speed spindles for rotary capping machine

Details Constant speed spindles for rotary capping machine Constant speed spindles for rotary capping machine

1994-03-02

1995-05-30

Coan, James F.

Package making

With means responsive to a sensed condition

Of package and filled receptacle closing or opening

53317, 533315, B65B 728, B65B 5700, B67B 320

Patent

active

054190940

ABSTRACT:
A rotary capping machine (10) includes a nonrotating center shaft (26) about which a turret (28) is rotatably mounted. The turret (28) is rotated by a motor (30) whose speed can be adjusted to alter the bottle through put rate of the capping machine (10). A plurality of spindle shafts (44) are supported on the turret (28) in a circle about the center shaft (26). A rotary capping head (48) is positioned on the end of each spindle shaft (44) and includes a clutch mechanism. A drive motor (68) supported on the center shaft (26) rotates each of the spindle shafts (44) in unison through a compound and planetary gear train. As the spindle shafts (44) revolve about the center shaft (26), they are linearly reciprocated by a barrel cam (50) arrangement. A rotary encoder (78) senses the instantaneous rotational speed of the turret (28) and sends feed back signals to a CPU to control the drive motor (68) so the spindle shafts (44) always rotate at a field determined constant speed regardless of the turret speed. The speed may be adjusted up and down.

REFERENCES:
patent: 3031822 (1962-05-01), Dimond
patent: 4535583 (1985-08-01), Tanaka et al.
patent: 4608805 (1986-09-01), Kelly
patent: 4616466 (1986-10-01), Tanaka et al.
patent: 4696144 (1987-09-01), Bankaty et al.
patent: 5301488 (1994-04-01), Ruhl et al.
patent: 5321935 (1994-06-01), Spatz et al.

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