Rotary unit
AssigneeMontech AG
InventorAlbrecht Trenner
Life of this patent
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Abstract
The present invention discloses an apparatus for the rotation of, for example, workpieces to be machined, on a carrier which can be set in rotation by a pinion shaft with toothed strips via a rack, the rack being arranged perpendicularly to an axis of the pinion shaft in a cylinder bore of a housing slidably between covers closing the cylinder bore, pistons provided on the rack at each end forming with a respective cover a chamber which can be subjected to pressure medium, and the toothed strips of the pinion shaft meshing with the toothing of the rack between the two pistons, wherein the spacing of the toothing and pinion shaft or toothed strips is variable.
Claims13
An apparatus for the rotation of workpieces to be machined, which comprises:
- a housing enclosing a cylindrical bore between covers thereof;
- a carrier for workpieces to be machined;
- a pinion shaft in the housing having an axis and having toothed strips, said pinion shaft adapted to rotate said carrier via a rack, wherein the rack includes toothing and is arranged perpendicularly to the axis of the pinion shaft in the cylindrical bore of the housing slidably between the covers of the housing;
- pistons provided on the rack at each end thereof forming with a respective cover a chamber which can be subjected to a pressure medium;
- wherein there is a range where the toothed strips of the pinion shaft mesh with the toothing of the rack between the pistons at each end of the rack;
- wherein said range is variable;
- and
- wherein the rack engages with a tenon in a recess of the piston, the tenon begin arranged with edge play to allow movement in the recess.
An apparatus for the rotation of workpieces to be machined, which comprises:
- a housing enclosing a cylindrical bore between covers thereof;
- a carrier for workpieces to be machined;
- a pinion shaft in the housing having an axis and having toothed strips, said pinion shaft adapted to rotate said carrier via a rack, wherein the rack includes toothing and is arranged perpendicularly to the axis of the pinion shaft in the cylindrical bore of the housing slidably between the covers of the housing;
- pistons provided on the rack at each end thereof forming with a respective cover a chamber which can be subjected to a pressure medium;
- wherein there is a range where the toothed strips of the pinion shaft mesh with the toothing of the rack between the pistons at each end of the rack;
- wherein said range is variable;
- wherein the rack engages with a tenon in a recess of the piston, the tenon being arranged with edge play to allow movement in the recess;
- including stops interacting with a driver projecting from the rack, wherein said stops are attached to the housing;
- and
- wherein the driver passes through a slot in the housing and the stops are arranged on both sides of the driver.
Dependencies are inferred from the claim text.