Efficient metal cutting and dedusting device

Abstract

An efficient metal cutting and dedusting device comprises an air duct, a round suction opening, a plurality of sets of ventilation door mechanisms and a trapezoid frame, wherein the air duct is arranged in the center of the bottom of a cutting platform, the round suction opening is formed in one end of the air duct and connected with a main dedusting machine through a pipeline, the ventilation door mechanisms are arranged on the air duct in the length direction of the air duct at equal intervals, and the trapezoid frame is arranged beside the air duct, is in contactable connection with the ventilation door mechanisms and is used for pushing the ventilation door mechanisms to act; and the trapezoid frame is fixedly connected to a cutting truss, moves along with the cutting truss, and can only push one or two sets of ventilation door mechanisms to be opened under driving of the cutting truss when passing one position every time. When the efficient metal cutting and dedusting device conducts cutting, only a ventilation door corresponding to the lower portion of a cutting gun head is shifted, and accordingly, a small air outlet is formed; and in this way, under the condition that the air volume of dedusting equipment is fixed, the large air suction force and high air suction efficiency are ensured, and thus, the dust collecting effect is obvious. In addition, the efficient metal cutting and dedusting device is simple in structure, easy to manufacture, low in cost, safe and reliable in usage, and suitable for dedusting equipment for large format cutting.

Description

technical field [0001] The invention belongs to the technical field of air purification equipment for industrial workshops, and in particular relates to a high-efficiency metal cutting dedusting device which can be used for dedusting large-scale cutting equipment such as laser, plasma or flame. Background technique [0002] Cutting plays an important role in the industrial production process. However, a large amount of metal dust splashes will be generated in the process of using laser, plasma or flame cutting, which will cause pollution in the cutting workshop, seriously affect the health of workers, and even cause explosions (oxidative properties such as aluminum alloys) dust). With the popularization of large-scale cutting equipment, it is difficult to increase the dust removal wind speed by adopting the original dust removal methods such as side blowing, up suction or down suction, and the area of ​​the air outlet is large, and the dust removal effect is not ideal. [0...

AI Technical Summary

Problems solved by technology

However, the upper and lower dedusting devices of this patent are connected to the dedusting machine, and the air volume is scattered; at the same time, the lower part of the dedusting device needs to arrange multiple ring pipes during large-format cutting, and the side wall of each ring pipe has holes, resulting in reduced suction.

The utility model patent with the publication number CN204893179U discloses a plasma cutting dust removal air duct device. When the device is cutting, the cutting dust enters the air duct through the connection box connected to the truss. When cutting, the long groove is not sealed, which may easily reduce the air volume of the exhaust, so the wind entering the air outlet is reduced, and the dust removal and cutting effect is not good.

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