Double vibration source square oscillating sieve

A double vibration source square oscillating sieve, comprising a support frame, a sieve body, connecting rods and a vibration exciter, wherein

• the sieve body is slantwise provided in the support frame, a front side and a back side of the sieve body are both provided with the connecting rods, and two ends of the connecting rods are connected with the upper part of the support frame and the lower part of the sieve body;
• the vibration exciter is fixedly provided on any position of the upper end, the lower end and the middle part of the sieve body, and the sieve body is provided with a motor which is connected with the vibration exciter by a belt;
• the vibration exciter comprises a fixed housing, a gear portion, first vibration excitation assemblies and second vibration excitation assemblies which are connected with the gear portion, and the fixed housing is fixedly connected with the sieve body, the fixed housing is provided with a fixed disk which is connected with the gear portion, and the gear portion is used to drive the first vibration excitation assemblies and the second vibration excitation assemblies to rotate synchronously and reversely;
• the first vibration excitation assemblies comprise a first rotating shaft, and the second vibration excitation assemblies comprise a second rotating shaft;
• and
• the first rotating shaft and the second rotating shaft are parallel with and offset from each other along an axial direction of the first rotating shaft and the second rotating shaft.