Apparatus for feeding flat items
AssigneeSiemens Aktiengesellschaft
InventorsErich Groegor, Gerhard Obier, Holger Schererz
Life of this patent
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Abstract
The invention relates to a device for the delivery of flat objects to a friction/suction picking device with a suction head, the objects standing in a stack on a thin edge thereof on a support surface arranged on a stop surface and transported in the direction of the picking point using conveyor means. A sensor for measuring the vacuum in the suction head, is arranged on or in the suction head, which is connected to the drive controller on the conveyor means. Depending on the measured vacuum the conveyor means can be controlled such that the front object has an inclination as low as possible with the lowest possible stack pressure on the at least one friction picking device.
Claims8
An apparatus for feeding flat items to a friction/suction-type separating arrangement, the items standing in a stack on a narrow side, supported by an abutment surface, aligned on a top surface, and transported by a conveying means moving to a withdrawal location, the friction/suction-type separating arrangement comprising:
- at least one friction-type withdrawal means driven in a controlled manner,
- at least one suction head arranged directly downstream of the friction-type withdrawal means, the at least one suction head connected to a negative-pressure source,
- a sensor arranged in or on the suction head, the sensor comprising means for measuring negative pressure in the suction head, and
- a conveying means and drive control device therefor, the sensor connected to the drive control device such that the conveying means may be activated in dependence on the negative pressure measured in that a foremost item at the at least one friction-type withdrawal means is inclined as little as possible and, with the stack pressure being as low as possible.
Dependencies are inferred from the claim text.