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Rail straightness measuring method and device

A measurement method and straightness technology, which is applied in the field of optical detection, can solve the problems of poor repeatability of measurement results, tedious clamping work, and high quality requirements for testers, so as to improve the measurement environment, facilitate implementation and installation, and simple measurement methods Effect

Inactive Publication Date: 2020-04-10
苏州伟信奥图智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the accuracy measurement of linear guideways is mostly measured by manual measurement or contact sensors. When manually measuring the parallelism of the guideway raceways, the guideway is clamped on the fixture of the measuring plate, and the table base is aligned with the side reference surface of the guideway and the installation plane of the guideway. , and align the meter head with the raceway surface of the guide rail, and then move the meter base to measure. The difference between the measured maximum and minimum values ​​is the parallelism error of the guide rail raceway. High quality requirements and poor repeatability of measurement results

Method used

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  • Rail straightness measuring method and device

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Embodiment

[0027] Such as figure 1 As shown, a track straightness measuring device includes an operating platform 1, a guide rail 1 is arranged on the operating platform 1, and a moving carrier 3 is arranged on the guide rail 2, which can move linearly along the guide rail. The operating platform 1 is provided with a receiving plate 4, located opposite to the track 2, the carrier 3 is provided with a laser emitter 5, the laser is set towards the receiving plate 4, and the operating platform 1 is provided with a camera 6, opposite to the receiving plate 4 set, and set the guide rail 2 in the middle, the carrier 3 is provided with a driving device, the driving device is connected to the controller 7, and the controller 7 is also connected to the camera 6, and the output terminal of the camera 6 is connected to the processor 8 connected.

[0028] The processor mentioned in the present invention is a PC.

[0029] A method for measuring track straightness, comprising the steps of:

[0030]...

Embodiment 1

[0039] Such as figure 1 As shown, the measurement system is arranged. A receiving plate is set in front of the guide rail to receive the laser emitted by the laser transmitter. A carrier is arranged on the guide rail, and a laser transmitter is installed on the carrier. The other end of the guide rail is provided with a camera for taking images on the receiving plate.

[0040] Firstly, the installation position of the laser emitter on the carrier is corrected to eliminate the straightness deviation between the laser emitter and the guide rail. First place the carrier at the beginning of the guide rail, the laser transmitter is installed on the carrier, the controller controls the laser transmitter to emit laser light and project it onto the receiving plate directly in front of the guide rail, and at the same time controls the camera to open to shoot and image, and the captured image is transmitted to the PC Carry out a processor to analyze whether there is a deviation between...

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Abstract

The invention relates to a rail straightness measuring method and a rail straightness measuring device. The rail straightness measuring method comprises the following steps: step 1, emitting laser; 2,shooting an image; step 3, correcting a straight line; step 4, moving a carrier and shooting an image; and step 5, processing a delayed image. With the method, the measurement of the straightness ofthe rail can be realized; the measuring method is simple; the measurement precision is high; and the cost is low.

Description

technical field [0001] The invention relates to the field of optical detection, in particular to a method and a device for measuring the straightness of a track. Background technique [0002] Linear guide rails, also known as line rails, slide rails, linear guide rails, and linear slide rails, are used in linear reciprocating motion applications, and can bear a certain torque, and can achieve high-precision linear motion under high load conditions. According to the nature of friction, linear motion guides can be divided into sliding friction guides, rolling friction guides, elastic friction guides, fluid friction guides and other types. Linear bearings are mainly used in automatic machinery, such as machine tools imported from Germany, bending machines, laser welding machines, etc. Of course, linear bearings and linear axes are used together. Linear guides are mainly used in mechanical structures with high precision requirements. There is no intermediate medium between the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/27
CPCG01B11/27
Inventor 刘宁程文涛钟才明符强周丽娟米鹏飞
Owner 苏州伟信奥图智能科技有限公司