FIELD: mechanical engineering.
SUBSTANCE: invention relates to the field of rotary drive knives. The blade housing assembly for the drive rotating knife contains a blade body with a slot and a cam mechanism for changing the diameter of the blade housing between the blade maintenance and blade replacement positions. The blade body with a slot contains a supporting section for the annular blade, an installation section and a slot passing through the installation section and the inner wall of the supporting section for the blade, as well as determining the distance of the slot between the first and second perimeter ends of the inner wall. The slot has a radial section of the slot and an angled section of the slot near the inner wall. The installation section contains the first and second body parts on opposite sides of the slot. The cam mechanism comprises a cam plate connecting the first and second body parts, and a cam element supported by a rotating cam plate. The cam element is designed to rotate between closed and open positions to change the diameter of the blade body. The invention also includes a drive rotating knife.
EFFECT: improvement in the wear characteristics of the drive rotating knife.
20 cl, 48 dwg
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