B - Operations – Transporting – 24 – B
Patent
B - Operations, Transporting
24
B
51/59
B24B 21/00 (2006.01)
Patent
CA 1145944
ABSTRACT The disclosure is directed to an abrasive grind- ing machine particularly suited for the removal of slag surrounding the edges of metal workpieces torch-cut from flat stock. The grinding machine includes a longitudinal conveyor (11) that is tilted about a longitudinal axis so that one longitudinal edge is lower than the other. A fence (25) is positioned along the lower edge to retain and guide workpieces (26) as they are carried forward by the conveyor (11). A grinding head (12) consists of an endless grinding belt (21) carried and driven by upper and lower parallel rollers (22, 23). The lower contact roller (23) is positioned in spaced relation to the upper flight (17) of the conveyor (11). The contact roller (23) is positioned with its rotational axis at a predetermined acute angle (B) measured clockwise from the the forward line of conveyor movement. The rollers (22, 23) are driven so that the grinding belt moves toward the fence (25), creating a major component of movement perpendicu- larly toward the fence (25) and a minor component of movement in the direction of conveyor belt (11) movement. In an alternative embodiment, the contact roller (23) is positioned at an acute angle (B) that is measured coun- terclockwise from the line of forward conveyor (11) move- ment. This produces a major component of movement perpen- dicularly toward the fence (25) and a minor component of movement opposite the direction of forward conveyor (11) movement. In either case, the grinding head (12) is constructed and positioned so that it provides the addi- tional function of a pinch roller, permitting small work- pieces (26) to be efficiently and uniformly ground.
371488
Acrometal Products Inc.
Ridout & Maybee Llp
LandOfFree
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