Pipe bending machine for fire extinguisher production

By combining the flipping mechanism and the magnetic locking rod, the interference problem of existing pipe bending machines during multiple bends is solved, achieving precise bending and rotation control of metal pipes and improving the quality of pipe bending.

CN224406133UActive Publication Date: 2026-06-26沈阳险峰机械厂
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Patent Information

Application Number
CN202521392164.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-03
Publication Date
2026-06-26
Estimated Expiration
2035-07-03

AI Technical Summary

Technical Problem

Existing pipe bending machines are prone to interference when bending metal pipes multiple times, especially when the two bending points are close together. It is also difficult to accurately control the rotation angle of the metal pipe, which affects the quality of pipe bending.

Method used

The system employs a flipping mechanism and a magnetic locking rod. The flipping arm is driven by a cylinder to flip the pressure roller frame, and the magnetic locking rod locks the metal tube. Combined with a hydraulic system, the bending and rotation of the metal tube are controlled, reducing the volume of the bending structure and providing more room for maneuver.

Benefits of technology

This technology avoids interference during multiple bending operations of metal tubes, improves the accuracy and quality of bending, and enhances the range of motion and control precision of the metal tubes.

✦ Generated by Eureka AI based on patent content.
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Abstract

The utility model relates to the field of fire extinguisher production, in particular to a pipe bending machine for fire extinguisher production, which comprises a rack, an adjusting mechanism arranged at one end of the rack, a pressing mechanism arranged at the other end of the rack and a bending mechanism, an overturning mechanism is arranged on the bending mechanism, the bending mechanism is positioned on the front side of the pressing mechanism, and the overturning mechanism is positioned on the upper side of the bending mechanism. The overturning arm is pushed by the air cylinder to enable the pressing wheel frame to overturn towards the rear side of the pipe bending wheel, then the bent metal pipe is clamped by the pressing wheel and the pipe bending wheel, then magnetism opposite to magnetism of the magnetic locking rod is generated through the electromagnetic base to enable the end of the magnetic locking rod to be inserted into a lock hole of the pipe bending wheel, and therefore the position of the pressing wheel frame is locked. And therefore, the size of the whole bending structure can be greatly reduced, and a larger moving space is provided for the bent metal pipe.
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