Feeding device for a roller knife cutter for longitudinal and tr

Details Feeding device for a roller knife cutter for longitudinal and tr Feeding device for a roller knife cutter for longitudinal and tr

1993-01-28

1993-09-21

Phan, Hien H.

Cutting

With means to convey work relative to tool station

Including means to move work from one tool station to another

83155, 83407, 83409, 834352, 271193, 198433, 1986901, B21D 4300, B23D 1909

Patent

active

052459012

ABSTRACT:
A roller knife cutter includes a first knife shaft pair for severing a ferromagnetic metal sheet into sheet metal strips forwarded in a first direction of advance; and a plurality of substantially coplanar plates arranged downstream of the first knife shaft pair in a series in the first direction of advance. The plates are separated from one another by a clearance. The cutter further has an endless belt having an upper run moving in a second direction of advance and positioned in the clearance and extending parallel therewith. The upper run has a lowered position in which a top surface of the upper run is at a level below the top surfaces of the plates and a lifted position in which the top surface of the upper run is substantially coplanar with the top surfaces of the plates; and a plurality of individually height-adjustable magnet units arranged in a series underneath the upper run parallel to the second direction of advance. Each magnet unit has a low position allowing the upper run of the endless belt to be situated in the lowered position and a high position raising the upper run into the lifted position.

REFERENCES:
patent: 2668591 (1954-02-01), Winters
patent: 3554131 (1971-01-01), Radovic
patent: 4563926 (1986-01-01), Boardman
patent: 4798275 (1989-01-01), Leemkuil et al.

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