Steel belt elevated automatic deviation correction equipment and strip steel surface inspection device

By designing the automatic deviation correction equipment of steel strip elevated steel strip surface inspection device, and using automatic centering photoinductors and electro-hydraulic servo valve systems, the problem of difficulty in detecting and correcting the surface defects of strip steel is solved, and the high-precision neutralization and edge cutting quality of steel strip is achieved.

CN222974507UActive Publication Date: 2025-06-13JIANGSU YOUFU SHEET TECH CO LTD
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Patent Information

Application Number
CN202422309057.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-23
Publication Date
2025-06-13
Estimated Expiration
2034-09-23

AI Technical Summary

Technical Problem

During the continuous production of strip steel, it is difficult for the prior art to effectively check and correct surface defects such as unilateral waves, bilateral waves, warping, and cracks of strip steel, which affects the quality and production efficiency of steel strips.

Method used

A steel strip elevated automatic deviation correction equipment and strip steel surface inspection device are designed, including a steel structure elevated platform, an inlet steering roller, an outlet steering roller, a double-roll deviation correction device and an automatic centering photoinductor. By automatically centering the photoinductor, the position of the steel belt is detected, the electro-hydraulic servo valve and servo cylinder are controlled, the position of the deviation correction roller is adjusted, and the steel belt is operated in the central position.

Benefits of technology

Timely detection and correction of surface defects of strip steel is achieved, ensuring the centering accuracy and edge cutting quality of the steel belt after discharge of the outlet steering roller, and improving production efficiency and product quality.

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    Figure CN222974507U_ABST
Patent Text Reader

Abstract

The utility model discloses steel belt elevated automatic deviation rectifying equipment and a strip steel surface inspection device, which comprise a steel structure elevated platform, an inlet turning roller arranged on the bottom side of the steel structure elevated platform, an outlet turning roller arranged on the steel structure elevated platform opposite to the inlet turning roller, and a double-roller deviation rectifying device arranged at the upper end of the steel structure elevated platform. An automatic centering photoelectric sensor is connected between the steel structure elevated platform and the double-roller deviation rectifying device, the double-roller deviation rectifying device comprises deviation rectifying rollers horizontally arranged at the upper end of the steel structure elevated platform and electro-hydraulic servo valves arranged at one ends of the deviation rectifying rollers, the two deviation rectifying rollers are symmetrically arranged, servo oil cylinders are connected to the deviation rectifying rollers, and the electro-hydraulic servo valves are connected to the servo oil cylinders. The position of the steel belt is detected through the automatic centering photoelectric sensor, the electro-hydraulic servo valve is controlled to control the servo oil cylinder to move left and right, the deviation rectifying roller is controlled to move the steel belt, it is guaranteed that the steel belt is located in the center, the centering precision of the steel belt is guaranteed after the steel belt is discharged from the outlet steering roller and before the steel belt enters the circle shear, and the trimming quality of the steel belt is guaranteed.
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Description

Technical Field

[0001] The utility model belongs to the field of strip steel production deviation rectifying equipment, and specifically relates to a strip steel overhead automatic deviation rectifying equipment and a device for inspecting the surface of strip steel. Background Art

[0002] With the rapid development of cold rolling of metallurgical steel in China, during the production processes of degreasing and cleaning units, stretch-bending leveling and trimming recoiling machines, etc., with the improvement of the speed and efficiency of strip steel production units, it is crucial to detect surface defects of strip steel and correct the deviation during the operation of strip steel. The overhead automatic deviation rectifying equipment and the device for inspecting the surface of strip steel can preferably detect surface defects such as single-sided wave, double-sided wave, warping, and cracked edge of strip steel during the continuous production process of strip steel. Content of the Utility Model

[0003] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a strip steel overhead automatic deviation rectifying equipment and a device for inspecting the surface of strip steel, which can preferably detect defects such as single-sided wave, double-sided wave, warping, and cracked edge of strip steel during the continuous production process of strip steel.

[0004] To achieve the above purpose, the utility model is realized through the following technical solutions: A strip steel overhead automatic deviation rectifying equipment and a device for inspecting the surface of strip steel, including a steel structure overhead platform. An inlet turning roller is arranged at the bottom side of the steel structure overhead platform, and an outlet turning roller is arranged at a position on the steel structure overhead platform corresponding to the inlet turning roller. A double-roller deviation rectifying device is arranged at the upper end of the steel structure overhead platform. An automatic centering photoelectric inductor is connected between the steel structure overhead platform and the double-roller deviation rectifying device. The double-roller deviation rectifying device includes deviation rectifying rollers horizontally arranged at the upper end of the steel structure overhead platform and an electro-hydraulic servo valve arranged at one end of the deviation rectifying roller. Two deviation rectifying rollers are symmetrically arranged. A servo oil cylinder is connected to the deviation rectifying roller, and a driving connection is arranged between the servo oil cylinder and the deviation rectifying roller. The position of the strip steel is detected by the automatic centering photoelectric inductor, and after the signal is processed, the electro-hydraulic servo valve is controlled to control the left and right movement of the servo oil cylinder, and the deviation rectifying roller is controlled to move the strip steel to ensure that the strip steel is at the central position, guarantee the centering accuracy of the strip steel before entering the circular shear after discharging from the outlet turning roller, and ensure the trimming quality of the strip steel.

[0005] The preferred structure of this solution includes that an inspection table is arranged inside the steel structure overhead platform, which is convenient for operators to inspect.

[0006] The preferred structure of this solution also includes that a driving connection is arranged between the automatic centering photoelectric inductor and the electro-hydraulic servo valve.

[0007] The beneficial effects of the present utility model are as follows: during the high-speed operation of the strip steel, the surface quality of both the front and back sides of the strip steel can be well monitored, automatic centering induction can be carried out, the strip steel can be corrected in a timely manner, problems can be detected in a timely manner when the rollers at each part rotate abnormally, and when the strip steel has shape defects, adjustments can be made in a timely manner and effective measures can be taken, which will be further described in the following embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 is the front view of the present utility model;

[0009] Figure 2 is the partial cross-sectional view of the left view;

[0010] Figure 3 is the top view structure diagram;

[0011] In the figure: 1 inlet turning roller, 2 steel structure elevated platform, 3 deviation correction roller, 4 automatic centering photoelectric inductor, 5 outlet turning roller, 6 servo oil cylinder, 7 electro-hydraulic servo valve, 8 inspection table; DETAILED DESCRIPTION OF THE EMBODIMENTS

[0012] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0013] See Figures 1 to 3 , which includes a steel structure elevated platform. An inlet turning roller is arranged at the bottom side of the steel structure elevated platform. An outlet turning roller is arranged at a position on the steel structure elevated platform corresponding to the inlet turning roller. A double-roller deviation correction device is arranged at the upper end of the steel structure elevated platform. An automatic centering photoelectric inductor is connected and arranged between the steel structure elevated platform and the double-roller deviation correction device. The double-roller deviation correction device includes a deviation correction roller horizontally arranged at the upper end of the steel structure elevated platform and an electro-hydraulic servo valve arranged at one end of the deviation correction roller. Two deviation correction rollers are symmetrically arranged. A servo oil cylinder is connected to the deviation correction roller. A driving connection is arranged between the servo oil cylinder and the deviation correction roller. The position of the steel strip is detected by the automatic centering photoelectric inductor. The signal is processed and the electro-hydraulic servo valve is controlled to control the left and right movement of the servo oil cylinder, and the deviation correction roller is controlled to move the steel strip to ensure that the steel strip is in the central position, ensuring the centering accuracy of the steel strip before entering the circular shear after discharging from the outlet turning roller and ensuring the trimming quality of the steel strip.

[0014] The preferred structure of this solution includes that an inspection table is arranged inside the steel structure elevated platform, which is convenient for operators to inspect.

[0015] The preferred structure of this solution further includes that a driving connection is arranged between the automatic centering photoelectric inductor and the electro-hydraulic servo valve.

[0016] During the implementation process, after passing through the entrance turning rolls, the strip passes over the deviation rectifying rolls, enters the inspection table for surface inspection of the strip. The automatic centering photoelectric inductor measures the position of the steel strip. After the signal is processed, the electro-hydraulic servo valve controls the left and right movement of the servo cylinder to control the transverse movement of the deviation rectifying rolls, ensuring that the strip runs at the center position, guaranteeing the centering accuracy of the strip before entering the circular shear after passing through the exit turning rolls, and ensuring the trimming quality of the strip.

Claims

1. An elevated automatic deviation correction device for steel strip and a device for inspecting the surface of steel strip, comprising an elevated steel structure platform (2), an inlet steering roller (1) being arranged at the bottom of the elevated steel structure platform, and an outlet steering roller (5) being arranged on the elevated steel structure platform at a position opposite to the inlet steering roller, characterized in that: A double-roller deviation correction device is arranged at the upper end of the steel structure elevated platform, an automatic centering photoelectric sensor (4) is arranged between the steel structure elevated platform and the double-roller deviation correction device, the double-roller deviation correction device comprises a deviation correction roller (3) arranged horizontally at the upper end of the steel structure elevated platform and an electro-hydraulic servo valve (7) arranged at one end of the deviation correction roller, two deviation correction rollers are arranged symmetrically, a servo oil cylinder (6) is connected to the deviation correction roller, and a driving connection is arranged between the servo oil cylinder and the deviation correction roller.

2. The steel strip overhead automatic deviation correction device and the strip surface inspection device according to claim 1 are characterized by: An inspection platform (8) is arranged inside the steel structure elevated platform (2).

3. The steel strip overhead automatic deviation correction device and the strip surface inspection device according to claim 1 are characterized by: The automatic centering photoelectric sensor (4) is drive-connected to the electro-hydraulic servo valve (7).