Automatic recycling and reusing extrusion device for leftover materials of hollow grid plate

By using ratchet cutters and staggered cutting teeth on the cutter roller and a screen plate structure in the grid plate scrap crushing device, the problem of insufficient crushing is solved, the uniformity of material particle size and the stability of the extrusion process are achieved, and the quality of recycled grid plates is improved.

CN122100577AInactive Publication Date: 2026-05-29HUBEI PROVINCIAL INSPIRATIONAL PLASTIC MASCH CO LTD
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Patent Information

Application Number
CN202610517070.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-17
Publication Date
2026-05-29
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing hollow lattice panel scraps are not crushed sufficiently, resulting in uneven particle size, which easily leads to material blockage and extrusion fluctuations, affecting the quality of the recycled hollow lattice panel finished product.

Method used

The crushing structure, which uses a combination of ratchet cutters and interleaved cutting teeth on the cutter roller, along with a screen plate and a feeding mechanism, achieves forced shearing and cyclic crushing of materials, ensuring uniform particle size of the output, and quantitatively feeds the material into the extrusion mechanism through the feeding mechanism.

Benefits of technology

This process achieves uniform crushing of materials, avoids material leakage and blockage, ensures the stability of the melt extrusion process, and improves the quality of recycled grid plates.

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Abstract

The invention relates to the technical field of hollow grid plate processing, in particular to a hollow grid plate leftover material automatic recycling extrusion device which comprises a crushing bin, a knife roll is horizontally and rotatably arranged in the crushing bin, and a plurality of ratchet knives are evenly and fixedly arranged on the surface of the knife roll in the circumferential direction and the axial direction. Arc plates are symmetrically arranged on the two sides of the knife roller, the upper ends of the arc plates are fixedly connected with the inner side wall of the top of the crushing bin through guide plates, a plurality of blade teeth are fixedly arranged on the surfaces of the inner rings of the arc plates in the radial direction, the ratchet knives and the blade teeth are arranged in a staggered mode to form shearing fit, and a sieve plate is fixedly installed at the lower ends of the arc plates. According to the automatic recycling and reusing extrusion device for the leftover materials of the hollow grid plate, the rotating ratchet cutter is matched with the fixed blade teeth, so that the materials can be forcibly sheared and crushed, the ratchet cutter can upwards hook up the materials which do not reach the standard below to be circularly crushed, and it is ensured that the materials are fully crushed.
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