OPENTECHNICAL PUBLICATION
OT-2026-000003414

Suction lifter for a material handling device

Published: 2026-09-15T20:24:50.454643Z
Permanent URL: https://opentechnical.org/p/OT-2026-000003414
Categories: Material Handling > Conveying Systems

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ABSTRACT

According to the invention, a suction lifter for a material handling device is
provided for work pieces with suction surfaces. At least one pneumatic, double
acting working cylinder is provided with a suction cup arranged at an end of
the piston rod. A piston of the working cylinder is provided cooperating with
the cylinder to define a first working chamber, opposite the suction cup, and
a second working chamber, adjacent to the suction cup. A directional control
is provided for controlling a connection between the compressed air source and
the working cylinder and for venting the working cylinder. The directional
control includes a pressure reducing arrangement for the suction cup. The
first working chamber is connected to the suction cup via a throttle valve and
a 4/2-way valve is employed for controlling direction, the valve connecting
the first working chamber to a vacuum device and connecting the second working
chamber to a compressed air source in one switching position and in a second
switching position the valve connecting the first working chamber to the
compressed air source and directing the second working chamber to the vacuum
device.

1. Drawings

[0001] Sheet 1.

[0002] Sheet 2.

[0003] Sheet 3.

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OpenTechnical publication OT-2026-000003414
Published 2026-09-15T20:24:50.454643Z
https://opentechnical.org/p/OT-2026-000003414