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Device and method for coiled material centering and diameter measuring

A caliper and coil technology, applied in measuring devices, optical devices, instruments, etc., can solve the problems of unreachable caliper, occupying a large space, inconvenient installation, etc., achieving high precision, simple and reliable device, Easy to install effect

Inactive Publication Date: 2009-09-23
上海东大自动化工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this device, the bracket that drives the sensor to move, including the support arm, is controlled by a hydraulic system including a set of hydraulic cylinders and hydraulic valves, which occupies a large space and is inconvenient to install
Moreover, this method can only play a centering role and cannot achieve the purpose of measuring diameter.

Method used

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  • Device and method for coiled material centering and diameter measuring
  • Device and method for coiled material centering and diameter measuring
  • Device and method for coiled material centering and diameter measuring

Examples

Experimental program
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Effect test

Embodiment 1

[0021] A coil centering diameter measuring device, comprising a trolley 21, a hydraulic cylinder 22, a push rod 23, a bracket 24, a displacement sensor A 261, a photoelectric sensor B 262, a photoelectric sensor C 263, an analog / digital converter 29 and a PLC 30, The specific structure is: a hydraulic cylinder 22 is fixed on the trolley 21 that can move left and right, a push rod 23 is fixed on the piston of the hydraulic cylinder 22, a bracket 24 is fixed on the top of the push rod 23, and a displacement sensor A 261 is fixed inside the push rod 23 , the position signal generated by the displacement sensor A 261 has a linear relationship with the moving distance of the ejector rod 23, the photoelectric sensor B 262 and the photoelectric sensor C 263 are fixed directly above the bracket 24, and the photoelectric sensor B 262 and the photoelectric sensor C 263 are on the same horizontal line Above, the displacement sensor A 261, the photoelectric sensor B 262 and the photoelectr...

Embodiment 2

[0027] A coil centering diameter measuring device, comprising a trolley 21, a hydraulic cylinder 22, a push rod 23, a bracket 24, a displacement sensor A 261, a grating B 362, a grating C 363, an analog / digital converter 29 and a single-chip microcomputer 40, specifically The structure is: a hydraulic cylinder 22 is fixed on the trolley 21 that can move left and right; The position signal generated by the displacement sensor A 261 has a linear relationship with the moving distance of the ejector rod 23. The grating B 362 and the grating C 363 are fixed directly above the bracket 24, and the grating B 362 and the grating C 363 are on the same horizontal line. The displacement sensor A 261, grating second 362 and grating third 363 are all connected with single-chip microcomputer 40 through analog / digital converter 29.

[0028]When using this embodiment for centering and diameter measurement, the steel coil 27 is fixed on the bracket 24, and the piston of the hydraulic cylinder 2...

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Abstract

The invention relates to the filed of coiled profile supplied to a machine and diameter measurement, in particular to a device and a method for coiled material centering and diameter measuring. The device comprises a dolly, a hydraulic cylinder, a mandril and a bracket. The hydraulic cylinder is fixed on the dolly which can move leftwards and rightwards; the mandril is fixed on the piston of the hydraulic cylinder; and the bracket is fixed on the top of the mandril. The device is characterized by also comprising a displacement sensor A, a photoelectric sensor B, a photoelectric sensor C, an analog / digital converter and a PLC; the displacement sensor A is fixed inside the mandril; linear relation exists between position signals generated by the displacement sensor A and the movement distance of the mandrill; the photoelectric sensor B and the photoelectric sensor C are fixed above the bracket and positioned on the same horizontal line; and the displacement sensor A, the photoelectric sensor B and the photoelectric sensor C are all connected with the PLC through the analog / digital converter. The invention has the advantages of simpleness, reliability, convenient installation and high control and measurement accuracy and is beneficial to quantitative statistic.

Description

technical field [0001] The invention relates to the field of supplying coiled profiles and diameter measurement to a machine, in particular to a coil centering diameter measuring device and method. Background technique [0002] At present, in the coil centering control of the uncoiler of the strip steel production line in the metallurgical industry, the commonly used figure 1 The centering device shown is composed of trolley 11, hydraulic cylinder 12, ejector rod 13, bracket 14, movable support 15 and sensors 161-163. Its structure is: trolley 11 can move left and right, and trolley 11 is fixed with hydraulic pressure cylinder 12, the piston of the hydraulic cylinder 12 is fixed with a push rod 13, the piston can drive the push rod 13 to move up and down, the top of the push rod 13 is fixed with a bracket 14, the sensors 161-163 are all fixed on the movable support 15, the sensor 161 The distance between and 163 equals the diameter of steel coil 17 middle part through holes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21C51/00B21C47/24G01B11/10G01B11/00
Inventor 王朝利王燕飞
Owner 上海东大自动化工程有限公司
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