Multiple blade scrap saw for pipe mill

Details Multiple blade scrap saw for pipe mill Multiple blade scrap saw for pipe mill

1976-02-25

1977-05-10

Yost, Frank T.

Cutting

Cutting motion of tool has component in direction of moving...

Oscillating work shifter adjacent cutter

83327, 83329, 83490, B26D 118

Patent

active

040220923

ABSTRACT:
The disclosure is directed to a rotary saw for cutting sections of scrap pipe in a pipe forming mill. The saw includes a frame, mounted for rotation above the pass line and carrying cutting saws at each of two ends, enabling two cuts to be made for each revolution of the rotary frame. The individual saw mechanisms are mounted for rotation in the frame and are tied to the stationary frame of the apparatus in a manner to maintain the saw blades at all times in a vertical plane for cutting a horizontally moving pipe. Both of the saws are driven by a common, motor driven shaft, which is concentric with the rotary mounting shaft for the saw frame and is gear-connected to the respective saw blades. A pipe lifting cam is synchronously associated with the rotation of the saw frame, for lifting, supporting and confining the moving pipe each time a saw blade moves into cutting position. The entire scrap saw unit is movably mounted in relation to the pipe pass line, enabling the saw to be retracted well away from the pass line during normal operation of the mill.
In conjunction with the new scrap saw, there is desirably provided a kick-out system and receiving bin for the sawed-off scrap sections. The kick-out section, located just downstream of the scrap saw, is selectively operated during periods when the scrap saw is in operation but is deactivated for normal operations of the pipe mill.

REFERENCES:
patent: 1242478 (1917-10-01), Rosewarne
patent: 3207020 (1965-09-01), Passoni
patent: 3491637 (1970-01-01), Hasten et al.

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