Swivel unit and stop module for a swivel unit

The pivot unit addresses wear issues in automation technology by employing a stop module with an elastomer element and modular design, achieving reduced wear and precise control through progressive damping and adjustable stop positions.

DE102009017055B4Active Publication Date: 2025-07-31SCHUNK GMBH & CO KG
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Patent Information

Application Number
DE102009017055
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Priority Date
2009-03-06
Filing Date
2009-04-01
Publication Date
2025-07-31
Estimated Expiration
2029-04-01

AI Technical Summary

Technical Problem

Existing pivot units in automation technology experience significant wear due to high repetition rates of swivel movements, leading to undesired wear of components.

Method used

A pivot unit with a stop module that incorporates an elastomer element in parallel with a damping element, providing a progressive force-travel characteristic, and a modular design that allows for adjustable stop positions to minimize wear by using a ring-like elastomer element guided against deformation, and a stop module that can be replaced when worn.

Benefits of technology

The solution effectively reduces component wear by utilizing a progressive damping mechanism and a modular design that allows for easy replacement of worn parts, ensuring precise control and reduced stress on elastomer elements.

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Abstract

Pivoting unit (1, 100, 110) with a driver (5) guided in a housing (3) along a damping direction (7), with a drive device (28) for moving the driver (5), with a pivoting part (20) rotationally driven by the driver (5) via a rotary coupling (18), and with a housing-side stop module (48) for braking the movement of the driver (5) in the damping direction (7) before reaching an end position, wherein a first stop (39) on the driver side and a first counter-stop (60) on the stop module side are provided such that, upon movement of the driver (5) in the damping direction (7), after the first stop (39) strikes the first counter-stop (60), a damping element (34) is acted upon, wherein a second stop (41) on the driver side and a second counter-stop (62) on the stop module side are provided such thatthat when the driver (5) moves in the damping direction (7), after the first stop (39) strikes the first counter-stop (60), the second stop (41) strikes the second counter-stop (62), characterized in that an elastomer element (70) is provided which is functionally connected in parallel with the damping element (34) in a path-dependent manner and which, as a result of the second stop (41) striking the second counter-stop (62) (70), is deformed in the damping direction (7) in such a way that a progressive force-displacement characteristic is achieved for the resulting damping, wherein the elastomer element (70) is ring-shaped and is positively guided at least in sections against deformation in the radial direction in the stop module (48).
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Citation Information

Patent Citations

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    DE2518681A1

  • fluid-actuated drive

    DE29916190U1

  • Rotary fluid pressure actuators

    US3447423A

  • Rotating or pivoting device and connection module for a rotating or pivoting device

    WO2004090341A1