Large-particle-size material screening device for transmission connection position of asphalt concrete mixing plant

By introducing a slide rail guide and reciprocating mechanism at the transfer and handover point of the asphalt concrete mixing plant, combined with a motor-driven turntable and connecting plate structure, the problems of low screening accuracy and efficiency in the existing technology are solved, achieving precise separation and efficient screening, and improving the operational stability and maintenance convenience of the equipment.

CN224181323UActive Publication Date: 2026-05-01FOSHAN ZHONGNAN CONSTR ENG CO LTD
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Patent Information

Application Number
CN202521023480.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-22
Publication Date
2026-05-01
Estimated Expiration
2035-05-22

AI Technical Summary

Technical Problem

The existing screening devices for large-diameter materials at the transfer and handover points of asphalt concrete mixing plants have a simple structure and a relatively passive screening method, resulting in limited screening accuracy and efficiency.

Method used

The screening box adopts a sliding rail-guided screening box and a reciprocating mechanism, combined with a motor-driven turntable and connecting plate structure, to realize the reciprocating motion of the screening box. The screen plate can be quickly replaced through a fixed mechanism, thereby improving screening accuracy and efficiency.

Benefits of technology

It achieves precise separation of materials, improves product quality and equipment maintenance efficiency, simplifies screen plate replacement operations, and enhances equipment operational stability and maintenance convenience.

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Abstract

The utility model relates to the technical field of sieving, and discloses a large-particle-size material sieving device at a transmission junction of an asphalt concrete mixing plant, which comprises a bottom plate, a sliding rail is fixedly connected to the top of the bottom plate, a mounting frame is fixedly connected to the top of the bottom plate, and a sieving box is slidably connected to the top of the sliding rail. A first discharging plate is fixedly connected to the side wall of the screening box, a second discharging plate is fixedly connected to the side wall of the screening box, a screening plate is arranged in the screening box and connected with the screening box through a fixing mechanism, and a reciprocating mechanism is arranged on the side wall of the mounting frame. The motor drives the belt wheel, further drives the rotating shaft and drives the rotating disc to rotate, the connecting plate is driven by the rotating disc to drive the screening box to move back and forth on the sliding rail, material screening is achieved, qualified materials fall into the lower portion through the screening plate and are fed into the drying cylinder through the inclined belt, and disqualified large-block materials are discharged through the first discharging plate. Through cooperation of the structures, precise separation is achieved, and the product quality is improved.
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