Abstract: A pneumatically actuated area vacuum gripper for gripping and, if necessary, separating workpieces is provided by the present disclosure. In particular, the vacuum gripper is used with thin, flexible workpieces, and has a suction chamber, which has a suction wall with perforations, to be placed on the workpiece. An ejector nozzle has a connection and an outlet, the ejection nozzle being connected to the suction chamber via its connection, and the outlet of the ejector nozzle opening to the outside or into an exhaust air duct, and the suction inlet of the ejector nozzle empties into the suction chamber, whereby the direction of the air stream in the connection coming from the suction chamber corresponds to the direction of the main air conveyance in the ejector nozzle.

Abstract: The invention relates to a vacuum handling device (46) for fixing or transporting work pieces (44) comprising a plurality of components, wherein at least one of the components is provided with an RFID tag (10) and the RFID tag is provided with an RFID chip (14) and an antenna (12), wherein a switching element (16) is provided for the galvanic isolation of the RFID chip and antenna between the RFID chip and the antenna.

Abstract: The invention relates to a vacuum handling device (46) for fixing or transporting work pieces (44) comprising a plurality of components, wherein at least one of the components is provided with an RFID tag (10) and the RFID tag is provided with an RFID chip (14) and an antenna (12), wherein a switching element (16) is provided for the galvanic isolation of the RFID chip and antenna between the RFID chip and the antenna

Abstract: A vacuum gripper includes a suction plate for gripping an object. The suction plate has a lid and a suction bottom which define a suction chamber there between and engage formfittingly at least on one side within one another via a tongue and groove joint extending in parallel relation to a gripping plane. The tongue and groove joint includes a groove on one of the suction bottom and lid, and a tongue which is formed on the other one of the suction bottom and lid and fits into the groove.

Abstract: A pneumatic vacuum generator includes at least one venturi nozzle having a flow cross section which deviates for a circularity. The venturi nozzle may thus have a substantial rectangular or non-circular flow cross section like for example an oval flow cross section or an elliptical flow cross section. At least two plates are disposed in parallel relationship and joined in sandwich construction, with one of the plates constructed to accommodate the venturi nozzle.

Abstract: A device for generating an negative pressure comprises a plurality of ejectors and a receiving device therefor. The receiving device comprises at least one connection for a compressed air line, the connection protruding into a compressed air distribution system to which a compressed air channel of each ejector can be connected, and each ejector being provided with an negative pressure channel that can be connected to the negative pressure system of the ejector. The receiving device forms a holding frame and a quick-change system for the ejectors, and can be connected to the ejectors by means of control lines, and to a machine control system.

Abstract: A method is proposed for operating a vacuum handling device controlled by a programmable controller (39) which can be connected to a machine controller (10), with at least one vacuum generator (28) and with a number of gripper modules (20), which are connected to the vacuum generator and are each equipped with a first pressure sensor (46) and with a control valve (44) for the vacuum in the gripper module, and which are connected to the programmable controller. The control valve in the gripper module is closed in a first switching state (vacuum on) of the programmable controller and is detected up to the control valve (44) by means of a second pressure sensor (78) in the vacuum generator.

Abstract: The invention concerns an underpressure surface gripping device with an extruded profile having a hollow chamber, a vacuum plate which is mounted parallel to the extruded profile, at least one flow through opening which connects the extruded profile to the vacuum plate, and with an ejector as a vacuum generator, wherein the ejector is inserted into the hollow chamber of the extruded profile and the suction opening of the ejector communicates with the flow through opening.

Abstract: A pneumatically actuated area vacuum gripper for gripping and, if necessary, separating workpieces is provided by the present disclosure. In particular, the vacuum gripper is used with thin, flexible workpieces, and has a suction chamber, which has a suction wall with perforations, to be placed on the workpiece. An ejector nozzle has a connection and an outlet, the ejection nozzle being connected to the suction chamber via its connection, and the outlet of the ejector nozzle opening to the outside or into an exhaust air duct, and the suction inlet of the ejector nozzle empties into the suction chamber, whereby the direction of the air stream in the connection coming from the suction chamber corresponds to the direction of the main air conveyance in the ejector nozzle.

Abstract: A device for generating an underpressure comprises a plurality of ejectors and a receiving device therefor. The receiving device comprises at least one connection for a compressed air line, the connection protruding into a compressed air distribution system to which a compressed air channel of each ejector can be connected, and each ejector being provided with an underpressure channel that can be connected to the underpressure system of the ejector. The receiving device forms a holding frame and a quick-change system for the ejectors, and can be connected to the ejectors by means of control lines, and to a machine control system.

Abstract: The invention relates to a vacuum system, in particular a vacuum gripping system having at least one vacuum gripping apparatus for gripping workpieces and/or a vacuum component, in particular having a sensor for sensing states in the vacuum gripping system and/or one of the components and for generating state data, wherein the vacuum gripping apparatus and/or at least one of the components is equipped with an energy generation device for generating new electrical energy, which is not stored in the vacuum system, for operating a module consuming electrical energy.

Abstract: The invention concerns an underpressure surface gripping device with an extruded profile having a hollow chamber, a vacuum plate which is mounted parallel to the extruded profile, at least one flow through opening which connects the extruded profile to the vacuum plate, and with an ejector as a vacuum generator, wherein the ejector is inserted into the hollow chamber of the extruded profile and the suction opening of the ejector communicates with the flow through opening.

Abstract: The invention concerns a vacuum gripper for suctioning workpieces with an vacuum port, an elastic vacuum element and a vacuum element holder, wherein the vacuum element has a sealing lip on its side facing the workpiece, which delimits the vacuum chamber, and the vacuum chamber is flow-connected to the vacuum port, wherein the vacuum gripper has means that display the suction state, whose color changes.

Abstract: The invention concerns a vacuum gripper for suctioning workpieces with an vacuum port, an elastic vacuum element and a vacuum element holder, wherein the vacuum element has a sealing lip on its side facing the workpiece, which delimits the vacuum chamber, and the vacuum chamber is flow-connected to the vacuum port, wherein the vacuum gripper has means that display the suction state.

Abstract: A vacuum gripper for suctioning work pieces, having a vacuum connection, a flexible suction body and a suction body holder, where the side of the suction body facing the work piece has a sealing lip bounding a vacuum chamber, and the vacuum chamber is connected to the vacuum connection. The suction body has a contact surface abutting the work pieces with prevailing vacuum in the vacuum chamber. The contact surface is provided with elements, where the elements are have a rod or pin-shaped configuration and form a microstructure.

Abstract: The invention concerns an underpressure valve with a multi-part housing and a disc-like closing body which has at least one opening, and with an opening-free section disposed in alignment with the flow channel of the housing.

Abstract: Under pressure handling device comprising an under pressure generator, a device for controlling the under pressure and several grippers which engage on a work piece to be handled, wherein each gripper is provided with a device for controlling the under pressure, a sensor for detecting state variables on the gripper and an evaluation electronics to which the device for controlling the under pressure and the sensor are connected.

Abstract: A block suction apparatus for fixing plate-shaped work pieces on a fixing beam or fixing table using under-pressure has at least one support surface provided with a sealing plate having a sealing lip about its periphery. The sealing lip delimits a suction chamber and least one supporting element is provided within the suction chamber. At least one additional supporting element is also provided and is located in the direct vicinity of the sealing lip. Sagging of sections of a plate being lifted by the apparatus which project past the block suction apparatus is thereby reduced and the edge of the plate can therefore be processed with greater accuracy.

Abstract: Ejector with driver gas comprising at least one primary nozzle branch (12) with a driver nozzle (36) having a cross-sectional narrowing and an adjacent receiving nozzle (32), wherein a suction line (24) terminates in the narrowing, characterized by at least one connectable secondary nozzle branch (14) having a driver nozzle (38) with a cross-sectional narrowing and an adjacent receiving nozzle (34), wherein the narrowing of the secondary nozzle branch (14) is connected to a suction line (24) when the secondary nozzle branch (14) is opened, and with a closing instrument (20) connected upstream, with respect to the flow direction of the gas propellant, of the at least one secondary nozzle branch (14) to connect and disconnect the secondary nozzle branch (14) in dependence on the inlet pressure of the driver gas entering the ejector (20).

Abstract: Vacuum generator comprising an ejector nozzle which is connected to a compressed-air supply via a compressed-air line, and with a first valve for opening and closing the compressed-air line, wherein a second electrical valve is connected to the suction line of the ejector which is open in the currentless state to connect a pneumatic vacuum switch, circuited in parallel with the first valve, to the suction line.