Vacuum suction device

• Main Authors: NAKATSUCHI, SHOTA, TAKAOKA, HIROKI
• Format: Patent
• Language: Chinese; English
• Published: 01.04.2024
• Subjects: CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; PACKING; PERFORMING OPERATIONS; PNEUMATIC TUBE CONVEYORS; SHOP CONVEYOR SYSTEMS; STORING; TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING; TRANSPORTING

Disclosed is a vacuum suction device, which is capable of detaching an object from a suction pad by one method of suppling positive pressure and opening to the atmosphere. The vacuum suction device is configured with a vacuum pump which has a suction port, an exhaust port and a backflow prevention part, a first passage which is connected to the exhaust port, a second passage which is connected to the suction port, a third passage which is connected to the suction pad, a first solenoid valve which makes the first passage communicate with the third passage and blocks the second passage when being in an excited state, and makes the second passage communicate with the third passage and blocks the first passage when being in a non-excited state, a first branch which branches from the first passage, a second branch which branches from the second passage, a second solenoid valve which blocks the first branch and opens the second branch to the atmosphere when being in a excited state, and opens the first branch to th