Novel air seal device

Abstract

The invention relates to a novel air seal device comprising a device body. A cylindrical material cavity is formed in the device body; a feeding inlet and a discharging outlet are formed in the upperend and the lower end of the device body correspondingly; the left portion and the right portion of the device body are each provided with an opening communicating with the material cavity; a left endcover and a right end cover are arranged at the two openings correspondingly; an impeller shaft is horizontally arranged in the material cavity; one end of the impeller shaft is rotatably connected into a mounting groove formed in the inner side wall of the left end cover, and the other end of the impeller shaft penetrates through a through hole in the right end cover and then is in transmissionconnection with a belt gap bridge transmission device; the belt gap bridge transmission device is electrically connected with a control device; and an impeller is arranged on the impeller shaft, and the side, close to the inner wall of the material cavity, of the impeller is provided with a scraping device. The novel air seal device has the beneficial effects that the structure is simple, the device body and the end covers are arranged in a split mode, and thus disassembly, assembly and cleaning are very convenient; and meanwhile, a motor and the impeller shaft are in transmission connection through a belt, after a discharging channel is clamped, the motor can still rotate, the situation of burnout of the motor is avoided, the service life of the motor is prolonged, and the cost is saved.

Description

technical field [0001] The invention relates to the technical field of light blowers, in particular to a novel air shutoff device. Background technique [0002] The air shutoff device is widely used in the pneumatic transportation of equipment in rice milling, flour milling, feed, machinery and chemical industry, medicine, tobacco, metallurgy, cement and dust removal and the discharge of pipe network pressure state. For positive pressure and negative pressure state The powdery, granular, flake and fibrous materials below play the role of continuous discharge and air tightness. The air shutoff device is an important device in the pneumatic conveying and ventilation and dust removal network. The air shutoff device is installed at the discharge port of the unloader or cyclone dust collector. Its main function has two aspects: one is to ensure the smooth discharge of materials, and it is closed Working air flow, its structural composition includes the impeller casing and the im...

AI Technical Summary

Problems solved by technology

[0003] Most of the existing air lockers use geared motors to drive the impeller to rotate through chains and gears. This method has the following defects: 1. During the operation of the air locker, ropes, ribbons, and packaging threads in the materials are easily entangled on the impeller. On the other hand, increased wear and tear will increase the rotational load of the impeller, resulting in difficulty in feeding, setting or blocking, and blocking the discharge channel. It will also increase the air leakage rate and seriously affect the dust removal ability of the cyclone dust collector; 2. After the gear is stuck, the motor will Still working, it is easy to cause the motor to burn out, affect the service life of the motor, and the cost is high; 3. The impeller shell is usually formed in one piece, which is inconvenient to disassemble and clean

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