| 摘要 |
<p>A vacuum cup assembly of a material handling system, the vacuum cup assembly being engagable with an object and movable to move the object, the vacuum cup assembly comprising a vacuum device adapted to connect to a pressurized air supply, the vacuum device having a vacuum passageway and a venture nozzle positioned within the vacuum device; a vacuum cup configured to engaged an object; the pressurized air supply being activatable to force pressurized air through the venture nozzle to generate the at least partial vacuum in the vacuum passageway and at the vacuum cup when the vacuum cup is engaged with an object, the pressurized air flowing through the venture nozzle and drawing air from the vacuum passageway and into the venture nozzle via at least one vacuum port of the venture nozzle; and a noise reducing device at a discharge of the venture nozzle, the noise reducing device comprising a housing defining a chamber with a conical-shaped diverter element, the housing having a plurality of radially spaced exit openings, whereby air discharged at the venture nozzle is diverted by the conical-shaped diverter element and flows out through the exit openings of the housing, wherein the vacuum cup is configured to substantially seal against to object when the venture device generates at least a partial vacuum in the vacuum passageway.</p> |
