An automatic high-precision sand screening device for synthetic production of building materials

Abstract

The invention relates to the technical field of building material processing, and discloses an automatic high-precision sand screening device for synthetic production of building materials, comprising a sand screening box, a cam connected to the outside of the output shaft, and sand screening boxes connected to both sides A pendulum, the lower end of the pendulum is connected with a U-shaped rod, the U-shaped rod is connected with a coil, the inside of the air injection device is provided with an air injection port, the lower end of the control device is connected with an air bag, and the inside of the moving block is connected with a magnetic block. The output shaft drives the cam to squeeze the screening plate intermittently, the gas in the sliding rod compression sleeve enters the air bag through the second one-way valve, the screening plate resets and hits the pendulum, the pendulum drives the U-shaped bar to vibrate, and the U-shaped bar The coil cuts the magnetic induction line to generate a current, and the current passes through the coil at the lower end of the coil to form a magnetic field. The magnetic field pushes the magnetic block to reciprocate in the sliding groove, and the gas in the air bag is ejected through the through hole. This structure solves the problem of the sieve plate of the existing sand screening device. Easy to block and low working efficiency.

Description

technical field [0001] The invention relates to the technical field of building material processing, in particular to an automatic high-precision sand screening device for synthetic production of building materials. Background technique [0002] Building materials The materials used in buildings are collectively referred to as building materials. New building materials include a wide range, including thermal insulation materials, heat insulation materials, high-strength materials, and materials that can breathe, all of which are new materials. Building materials is a collective term for materials used in civil engineering and construction. Sand is a very common building construction material in the process of building construction, and it is also a necessary material for the synthesis of other building materials. It is generally necessary to screen the sand before using it. [0003] The existing sand screening is generally carried out manually, which not only wastes a lot ...

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Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides an automatic high-precision sand screening device for synthetic production of building materials, which has the advantages of avoiding clogging of the sieve plate and improving work efficiency, and solves the problem of easy blockage of the sieve plate of the existing sand screening device. The problem of low work efficiency

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