At present, more and more laser cutting machines are used in sheet metal processing. Since there are multiple rapier grids on the table surface of the laser cutting machine, the plate cannot be dragged on it. The plate must be gently placed on the rapier grid of the table surface, especially for precision sheet metal processing, which requires high surface requirements for the plate.

At present, most of the sheets cut by laser are still loaded manually. It takes at least three people to lift the sheets that are 3m long, 1.5m wide and 3mm thick. In recent years, the manual auxiliary feeding mechanism has been popularized, generally using the lifting mechanism+electric hoist+vacuum sucker system to realize feeding. According to the cost accounting, the cost of a set of manual auxiliary feeding mechanism is about 20000~50000 yuan, depending on the workshop site and plate size, and only one person can complete the feeding. The cost of a general worker is about 4000 yuan per month. If two more people lift the board, the monthly expenditure will be 8000 yuan more. The cost of a set of manual auxiliary feeding mechanism will be recovered in 3-6 months. Moreover, the risk cost of manual lifting of the board and the reduction of machine efficiency have not been taken into account. As shown in the figure, one person can load the laser cutting machine, which can load 20mm thick plates.

Therefore, Vacuum suction crane The manufacturer predicts that in the next three years, the main theme of the laser cutting machine is to use vacuum suction cups to hold the plates. Because of this, the investment cost is low, and one person can safely load the materials. When communicating with users about the problem of laser feeding, the manufacturer of the vacuum suction crane found that most users did not understand and had doubts about the practicability and safety of the suction cup feeding.