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US 11,052,652 B2Granted
Cover bearing system
AssigneeBobst Bielefeld GmbH
InventorsThomas Boje, Lorenz Landenberger
Life of this patent
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Abstract
The invention is about a valve system to grip a sleeve over a mandrel in a press, in particular on how the gripper is brought toward and away from the mandrel and sleeve assembly. The gripper is disengaged from the sleeve, following first a straight path and then a helicoidal path, thanks to an ad-hoc slot machined on an axle. This allows to disengage the gripper and set it out of the way for handling the sleeve, with a single motor and a single instruction.
Claims11
A cover bearing system for one end of a sleeve that is supported in a replaceable manner in a machine frame, the cover bearing system comprising:
- a bearing block held on the machine frame, the bearing block forming a removal opening for the sleeve in an axial direction of an axis the sleeve;
- a cover head that forms a bearing for the end of the sleeve, the cover head being displaceable the axial direction of the sleeve and displaceable about a swivel axis parallel to the axis of the sleeve and offset from the axis of the sleeve;
- and
- an actuator system configured to displace the cover head in the axial direction and about the swivel axis, the actuator system including an actuator,
- wherein the bearing block and the cover head are engaged via a hollow cylinder and a cylinder body displaceable in the hollow cylinder,
- a first one of the hollow cylinder and the cylinder body has a guiding contour and a second one of the hollow cylinder and the cylinder body has a follower body configured to be guided along the guiding contour,
- the guiding contour extends in a first section linearly in the axial direction and in a second section helically about the axis of the cylinder body.
4 more elements
Dependencies are inferred from the claim text.