Waste collecting device for machining

The waste collecting device for machining comprises a processing box, a stabilizing assembly and a screening assembly, the stabilizing assembly is arranged at the bottom of the processing box, the screening assembly is arranged in the processing box, and the screening assembly comprises a tension spring, a guide column, a limiting plate, a spring, a screening box, a screen and a vibration motor. The tension springs are fixedly arranged on the inner wall of the top and the inner wall of the bottom of the treatment box, the upper ends of the guide columns are fixedly connected with the tension springs on the inner wall of the top of the treatment box, the lower ends of the guide columns are fixedly connected with the tension springs on the inner wall of the bottom of the treatment box, the screening box is slidably arranged on the guide columns, and the vibration motor is fixedly arranged on the outer wall of the screening box. The limiting plate is fixedly arranged on the guide column, and the spring is arrang