Coarse screening device for sand screening machine
A technology of sand screening machine and coarse screening, which is applied in the directions of screening, loading/unloading, transportation and packaging, etc. It can solve the problems of easy adhesion and clumping of sand, low efficiency of sand screening, etc., and achieve the effect of improving work efficiency
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[0025] Such as Figure 1-3 As shown, a coarse screening device for a sand screening machine includes a frame 1 and a feed hopper 2, the feed hopper 2 is installed on the frame 1, and the bottom of the feed hopper 2 is provided with a material leakage port 10. The feed inlet 11 of the hopper 2 is arranged obliquely, and the filter roll 4 installed in parallel is arranged at the feed inlet 11, and the filter roll 4 is welded on the feed hopper 2; one side of the feed hopper 2 is provided with A vibration motor 7, the vibration motor 7 is installed on the lower right shell of the feed hopper 2 through bolt connection; a stirring shaft 8 is arranged in the feed hopper 2, and a stirring blade 9 is welded on the stirring shaft 8; One end of the stirring shaft 8 protruding from the feed hopper 2 is connected with the first reduction motor 5 through a coupling, and the other end is rotatably installed on the left end housing of the feed hopper 2 through a bearing; the first reduction ...
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