Device for aligning the leading edge, as seen in a transport direction, of flat, flexible objects movable along a transport path

The device aligns the leading edge of flexible objects using a conveyor belt with pressurizable chambers and a movable stop element, along with suction and transport devices, effectively addressing the challenge of varying object sizes and materials for accurate feeding.

DE102018133450B4Active Publication Date: 2026-06-11BDT MEDIA AUTOMATION
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Patent Information

Application Number
DE102018133450
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Filing Date
2018-12-21
Publication Date
2026-06-11
Estimated Expiration
2038-12-21

AI Technical Summary

Technical Problem

Existing devices for aligning the leading edge of flat, flexible objects along a transport path are inadequate for objects of varying sizes, thicknesses, or material properties, as they fail to provide a defined orientation in space and require differently designed guide elements.

Method used

A device comprising a conveyor belt with chambers that can be pressurized and a movable stop element with transverse stop surfaces, allowing for precise alignment of the leading edge, and suction and transport devices for lateral adjustment, utilizing vacuum generation and laser units for contactless verification.

Benefits of technology

Enables precise alignment and lateral positioning of flexible objects, accommodating varying sizes and materials, ensuring high feeding accuracy for processing equipment.

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Abstract

Device (10) for aligning the leading edge (105) of flat, flexible objects (100) that can be moved along a transport path, as seen in a transport direction, with - a conveyor belt (40) for transporting the objects (100) in the transport direction (x), - wherein at least one chamber (70) is arranged on the side of the conveyor belt (40) facing away from the objects (100), which has at least one opening (75) facing the conveyor belt (40), and which can be pressurized with both negative and positive pressure, and - with a stop element (90) which is movable between a first position in which it is arranged in the transport path and a second position in which it is arranged outside the transport path, and which has a stop surface (95) which is oriented transversely to the transport path in the first position, characterized in that the stop element (90) has two side surfaces (95a, 95b) arranged at an angle to each other and is pivotable in the first position about an axis (B) which is arranged transversely, in particular perpendicularly, to the transport path.
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