Oil mist collecting device for wire cutting machine

The utility model relates to the field of oil mist collection, and discloses a wire cutting machine oil mist collecting device which comprises a device body, a collecting mechanism is arranged on the device body and comprises a connecting shell, the outer side of the connecting shell is rotationally connected with a rotating block, and the rotating block is fixedly connected with a connecting rod; the rotating block is fixedly connected with a filter screen through a connecting rod, the filter screen is arranged on the inner side of a connecting shell, one side of the connecting shell is fixedly connected with an oil mist detector, a fan is arranged on the inner side of the connecting shell, and a connecting pipe is installed on the outer side of the connecting shell. The pressure value of the pressure testing module is preset, the oil mist detector detects oil mist, when the concentration value of the oil mist exceeds the interval of the preset range, the oil mist detector transmits a signal to the PLC, and