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Angle servo adjustment mechanism for roller type straightening machine

A technology of roller straightening machine and adjustment mechanism, which is applied in the field of angle servo adjustment mechanism of roller straightening machine, which can solve the problems of hub wear, hub rotation, and impossibility of jacking hub, etc., and achieve load bearing and impact resistance powerful effect

Active Publication Date: 2018-05-08
CHINA NAT HEAVY MACHINERY RES INSTCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During long-term use, due to the serious wear of the hub and the increase of friction, the hydraulic side often cannot drive the hub to rotate quickly, or the hub cannot be pushed due to limited force. Therefore, a new mechanism is urgently needed to realize roller correction. Reliability of straight machine angle adjustment

Method used

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  • Angle servo adjustment mechanism for roller type straightening machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The servo motor 1 can control the number of rotations and torque through the encoder. When the servo motor 1 above drives the screw 3 to rotate, the screw 3 is axially fixed by the bearing 5. Since there is a gap between the nut 6 and the cylinder 10 The guide key 11 can only move forward and backward, so the nut 6 moves downward, and the head 7 at the front end of the nut 6 pushes the rotating hub 8 to realize the counterclockwise rotation of the rotating hub 8 . In the same way, the servo motor 2 12 below can also drive the lower mechanism to push the rotating hub 8 to rotate clockwise.

Embodiment 2

[0027] Because the servo motor 2 12 can realize the control of the screw rod stroke through the encoder, and at the same time, the servo motor 1 can realize the control of the torque, therefore, when the rotating hub 8 rotates counterclockwise, in order to accurately control the angle of rotation, the servo motor 12 below Firstly, the screw rod is driven to rotate, and the nut 6 and the top 7 are driven to move downward, and stop to the angle to be rotated through stroke control. Subsequently, the upper servo motor 1 also drives the screw mandrel 3 to rotate and drives the nut 6 to move downwards, so that the jacking hub 8 rotates counterclockwise. The servo motor 1 is controlled by the torque, and the jacking hub 8 rotates until it stops. until it moves (set the detent torque). Similarly, when the rotating hub 8 needs to adjust the angle clockwise, the upper servo motor 1 controls the stroke to drive the screw rod 3 to rotate and drive the nut 6 to move upward, and stops to t...

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Abstract

An angle servo adjustment mechanism for a roller type straightening machine includes an adjustment mechanism body symmetrically arranged at the front and back sides of a rotating hub, and the adjustment mechanism body includes servo motors with encoders; the servo motors are connected with screw rods and drive the screw rods to rotate; cylinder bodies are arranged at the outer side of the screw rods, nuts are arranged on the screw rods, and feather keys are arranged between the nuts and the cylinder bodies; and abutting heads are installed at the front ends of the screw rods, the abutting heads can swing freely at a certain angle, and the abutting heads are in contact with the rotating hub. The servo motors can realize stroke control of the screw rods through the encoders and can realize the control of torque; when the rotating hub rotates counterclockwise, in order to accurately control the angle of rotation, the servo motors first drive the screw rods to rotate, drive the nuts and the abutting heads to move downward, and stop to the angle which needs to be rotated through the stroke control; and the angle servo adjustment mechanism for the roller type straightening machine has the characteristics of strong resistance to bearing and impact.

Description

technical field [0001] The invention relates to the technical field of angle adjustment of a roller straightener, in particular to an angle servo adjustment mechanism of a roller straightener. Background technique [0002] Most of the existing angle adjustment mechanisms adopt the combination of machinery and hydraulic pressure. During long-term use, due to the serious wear and tear of the rotor hub, the friction force increases, and the hydraulic side often cannot drive the rotor hub to rotate quickly, or the rotor hub cannot be pushed due to limited force. Therefore, a new mechanism is urgently needed to realize the roller correction. Reliability of straight machine angle adjustment. Contents of the invention [0003] In order to overcome the deficiencies of the above-mentioned prior art, the object of the present invention is to provide a roller leveler angle servo adjustment mechanism, which drives the screw nuts on both sides through the servo motor to drive the rota...

Claims

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Application Information

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IPC IPC(8): B21D3/02
CPCB21D3/02
Inventor 周文浩赵西韩马强刘磊王仕杰陈灿贾尚武杨鹏张志娜
Owner CHINA NAT HEAVY MACHINERY RES INSTCO
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