A building steel bar bending device

By introducing a laser displacement sensor and a closed-loop control system into the steel bar bending device, the problem of traditional devices being unable to monitor displacement deviation in real time has been solved, achieving high-precision steel bar bending and ensuring angle accuracy and processing efficiency.

CN224508308UActive Publication Date: 2026-07-17HUBEI CHANGXU CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUBEI CHANGXU CONSTRUCTION ENGINEERING CO LTD
Filing Date
2025-07-29
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Traditional steel bar bending devices cannot monitor and correct displacement deviations during the bending process in real time, resulting in large bending angle errors and making it difficult to meet the requirements of high-precision construction.

Method used

It employs a laser displacement sensor and a closed-loop control system, combined with a servo electric cylinder to drive the bending block. High-precision bending is achieved through clamping and bending components. The target angle is input via a touch screen, and the bending process is adjusted in real time.

Benefits of technology

It achieves high-precision control of steel bar bending, with a bending angle error of less than 0.5°, significantly improving processing efficiency and accuracy.

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Abstract

The utility model discloses a building reinforcing bar bending device. The utility model belongs to building reinforcing bar processing equipment technical field. In view of low precision, low efficiency, poor safety and the problem such as inconvenient man -machine interaction that traditional device exists, the following technical scheme is proposed in the application: the device main part is the box structure, and the built -in fixed plate is provided with clamping assembly and bending assembly side by side on it. Clamping assembly realizes the quick fixing of reinforcing bar through the double -acting hydraulic cylinder drive clamping block, and the clamping force is adjustable. The bending assembly adopts servo electric cylinder drive bending block, and cooperates with laser displacement sensor to monitor bending displacement amount in real time, and through closed loop control system, the target angle is converted into the theoretical displacement value, and the advancing amount is dynamically adjusted, and the bending angle precision stability is ensured. The front end of the device is provided with touch display screen, and the integrated parameter input, real -time data display and trouble alarm function improve the operation convenience.
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Claims

1. A bending device for construction reinforcement, comprising a device body (1) which is box-shaped, and is provided with a transparent observation window (101) at the top end for observing the bending condition, characterized in that, The device body (1) has limit holes (2) at both ends, and a fixing plate (4) is provided inside the device body (1). The top of the fixing plate (4) is provided with two clamping components (5) and a bending component (6). The clamping assembly (5) includes a clamping block (501), a fixing block (502) and a telescopic rod (503). One end of the clamping block (501) is equipped with a telescopic rod (503) for driving the clamping block (501) to reciprocate horizontally. The bending assembly (6) includes a bending block (601) and a propulsion assembly (602). The propulsion assembly (602) is connected to the tail of the bending block (601) and is used to drive the bending block (601) to reciprocate horizontally.

2. The device for bending a building reinforcement bar according to claim 1, wherein: The bending assembly (6) is also provided with a displacement sensor, which is installed on the moving end of the propulsion assembly (602) and is used to detect the amount of propulsion displacement of the bending block (601).

3. The device according to claim 2, characterized in that: The device body (1) is equipped with a touch screen (3) at the front end. The touch screen (3) is electrically connected to the control system. The control system receives the detection signal from the displacement sensor and calculates the required displacement based on the preset bending angle to form a closed-loop control.

4. The device for bending a building reinforcement bar according to claim 1, wherein: The telescopic rod (503) is a double-acting hydraulic cylinder with a clamping force adjustment range of 500N to 5000N.

5. The device for bending a building reinforcement bar according to claim 2, wherein: The displacement sensor is a laser displacement sensor with a detection accuracy of ≤0.01mm.