A reinforcing bar straightening machine for tunnel segment production

By designing a rebar straightening machine suitable for tunnel segment production, the machine utilizes the rotational cooperation of a threaded rod and a threaded cylinder to clamp, position, and straighten rebars of different diameters. This solves the problems of complex structure and poor adaptability in existing technologies, reduces costs, and improves applicability.

CN224542979UActive Publication Date: 2026-07-24HAINING POLYMERIZATION NEW MATERIAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HAINING POLYMERIZATION NEW MATERIAL CO LTD
Filing Date
2025-08-19
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing rebar straightening machines have complex structures, high operating costs, and poor adaptability to rebars of different diameters, making it difficult to meet the diverse needs of tunnel segment production.

Method used

A rebar straightening machine including a workbench, a threaded rod, and a threaded cylinder was designed. By rotating the threaded rod and the threaded cylinder together, the machine can clamp, position, and straighten rebars of different diameters. The clamping assembly and pressure rollers are used to position and straighten the bent parts of the rebars.

Benefits of technology

The simplified device structure reduced operating costs, improved applicability to steel bars of different diameters, and enhanced production efficiency.

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Abstract

The utility model provides a reinforcing bar straightening machine for tunnel segment production belongs to mechanical technical field, it has solved the problem that existing technology has poor applicability. The reinforcing bar straightening machine for tunnel segment production includes work bench, threaded rod and threaded cylinder, the work bench is long board shape and has the fixed plate of fixed connection on the work bench, the left and right sides of fixed plate are welded with press roll respectively, threaded rod rotation is connected on the work bench, the work bench has the inner chamber for installing motor, the output of motor and threaded rod lower extreme are connected, threaded cylinder is connected on the upper end of threaded rod, be equipped with clamping assembly on threaded cylinder, clamping assembly is used for clamping positioning to reinforcing bar. The reinforcing bar straightening machine for tunnel segment production has strong applicability.
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