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An identification method for a tube billet identification device for a cold-rolled tube mill

A technology of identification device and identification method, which is applied in the direction of length measuring device, metal rolling, metal rolling, etc., can solve the problems of inconvenient installation, high cost, and easy interference of signals, etc., and achieves convenient installation and practicality, and simple structure , not easy to damage the effect

Active Publication Date: 2019-04-16
CHINA NAT HEAVY MACHINERY RES INSTCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the technical problems of high cost, inconvenient installation, and easy interference of signals caused by the need to be equipped with different eddy current detection switches in the prior art, the purpose of the present invention is to provide a tube billet identification device and method for a cold rolling tube mill. It can accurately identify the position of the tube blank and improve the stability of the equipment

Method used

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  • An identification method for a tube billet identification device for a cold-rolled tube mill
  • An identification method for a tube billet identification device for a cold-rolled tube mill

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Such as figure 1 with 2 As shown, a cold-rolled tube mill tube billet identification device provided by the present invention includes a tube billet 1, a mandrel rod 2, a pinch roller 3, a driving device 9, a color mark sensor 4 and a PLC controller 5; the drive The device 9 is connected to the pinch roller 3, and the pinch roller 3 clamps the tube blank 1; the tube blank 1 is movably installed on the mandrel rod 2; the mandrel rod 2 and the The tube blank 1 has different colors; the color sensor 4 detects the color change on the surface of the mandrel rod 2 and sends a detection signal to the PLC controller 5; the PLC controller 5 controls according to the received detection signal Activation of the drive unit 9 .

[0020] Wherein, the surface here does not only refer to the color of the surface of the mandrel rod 2, but also includes the color of the tube blank 1 passing through the surface of the mandrel rod 2. When the tube blank 1 passes through the mandrel rod ...

Embodiment 2

[0023] On the basis of the example, such as figure 1 As shown, the color mark sensor 4 includes a collection module for collecting the surface color of the mandrel rod 2 to obtain the measured color; a storage module for storing the measured color and the target color; A comparison module for comparing target colors; an output module for sending detection signals to the PLC controller 5 .

[0024] Wherein, the target color is the color of the surface of the mandrel rod 2 . The measured color is the color of the surface of the core rod 2 collected by the acquisition module. When the tube blank 1 passes through the core rod 2, the measured color is the color of the tube blank 1. When the tube blank 1 does not pass through the mandrel rod 2 , the measured color is the color of the mandrel rod 2 .

[0025] The color mark sensor 4 is installed on the top of the mandrel rod 2, which can capture the color more accurately and precisely.

[0026] The mandrel rod 2 has a first end 7 ...

Embodiment 3

[0028] On the basis of the example, such as figure 1 As shown, the PLC controller 5 is connected to an industrial computer 6 , and the PLC controller 5 and the industrial computer 6 send detection signals to display the working status of the pinch roller 3 and the color mark sensor 4 .

[0029] Wherein, the industrial computer 6 is an existing device, and will not be described in detail here.

[0030] The distance between the color mark sensor 4 and the mandrel rod 2 is 0-300m, within this distance range, the color change on the surface of the mandrel rod 2 can be acquired more accurately.

[0031] The driving device 9 is one of a motor driving device 9 , a cylinder driving device or a hydraulic driving device. The motor drive device is preferred, with simple structure, strong and durable, low cost, reliable operation and high speed limit.

[0032] Wherein, the motor driving device, cylinder driving device or hydraulic driving device can be purchased from the market, so the ...

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Abstract

The invention discloses a pipe blank recognition device of a cold-rolling pipe mill. The pipe blank recognition device comprises a pipe blank, a core rod, a pinch roller, a driving device, a color mark sensor and a PLC (Programmable Logic Controller), wherein the driving device is connected with the pinch roller; the pinch roller is used for pinching the pipe blank; the pipe blank movably penetrates into the core rod; the core rod and the pipe blank have different colors; the color mark sensor is used for detecting color changes on the surface of the core rod and sending a detection signal to the PCL controller; the PLC controller is used for controlling the driving device to be started according to the received detection signal. The device can be used for accurately recognizing the position of the pipe blank and the stability of equipment is improved.

Description

technical field [0001] The invention belongs to a cold-rolled pipe mill, and in particular relates to a device and method for identifying a tube billet of a cold-rolled pipe mill. Background technique [0002] The existing continuous rolling cold-rolled pipe mill needs continuous loading during rolling. The cold-rolled pipe mill has a long mandrel that runs through the center of the entire rolling mill. When feeding, the tube billet needs to pass through the long mandrel to reach Rolling is carried out in the rolling area, and the tube billet needs to be fed into the rolling area by multiple sets of pinch roll devices when loading the material. The switch stability of the control pinch roll action has always been an important factor affecting the rolling stability. The existing The switches are ring-shaped eddy current detection switches. The tube blank and the long mandrel rod pass through the center of the detection switch. According to the different specifications of the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B38/00
CPCB21B38/00
Inventor 纪松山阎雪峰成海宝李为展京乐郭琳凡明
Owner CHINA NAT HEAVY MACHINERY RES INSTCO