Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

The method of automatically finding the starting point of welding seam based on statistics

A starting point and statistical technology, applied in welding equipment, arc welding equipment, manufacturing tools, etc., can solve the problem of difficulty in automatically finding the starting point of the weld, and achieve the effect of flexible production

Active Publication Date: 2017-05-31
山东中清智能科技股份有限公司
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the technical problem of difficulty in automatically finding the starting point of the welding seam in the field of welding, and to provide an automatic welding seam starting point based on visual and statistical analysis, which is simple in operation, simple in structure, and does not require high precision of welding hardware. Finding method

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • The method of automatically finding the starting point of welding seam based on statistics
  • The method of automatically finding the starting point of welding seam based on statistics
  • The method of automatically finding the starting point of welding seam based on statistics

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] Design suitable fixtures according to the characteristics of the weldment. On the one hand, ensure that the weld 4 of the weldment is basically consistent with the welding direction. On the other hand, ensure that the fluctuation of the weld starting point 5 is within a certain range. Generally, the weld starting point 5 should be guaranteed The fluctuation range of the XYZ three coordinates is limited within ±20mm. The fluctuation range of the starting point should be limited to ensure that the visual sensor must be located outside the end line of the weld every time the starting point is searched. Avoid excessive fluctuations in the starting point, causing the visual sensor to go to the inside of the weld, and the algorithm will go wrong.

[0025] Such as figure 1 and figure 2 As shown, the welding torch 2 and the visual sensor 1 are installed on the actuator, and the actuator drives the welding torch 2 and the visual sensor 1 to move horizontally or vertically dur...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a welding seam starting point automatic position searching method based on statistics. The welding seam starting point automatic position searching method is characterized in that a visual sensor is mounted at the front end of a welding gun and continuously collects weldment images; the weldment images are subjected to binarization processing; feature points of welding seams in the weldment images are extracted, and are saved in a data queue; in a camera coordinate system, the feature points of the welding seams are subjected to statistics computation; a standard deviation of the feature points of the welding seams is calculated and is compared with a threshold of the standard deviation; and when the threshold meets the requirement, the last point in the data queue is searched and serves as a welding seam starting point. The welding seam starting point automatic position searching method adopts visual detection to carry out automatic position searching of the welding seam starting point, and effectively solves the problem that the position searching of the welding seam starting point is difficult due to inconsistent weldments, and is an effective means for the realization of full automatic welding.

Description

technical field [0001] The invention belongs to the technical field of welding automation, and relates to a method for automatically finding the starting position of a welding seam by using a visual detection device. Background technique [0002] Automatic welding is an efficient and high-precision technology, which improves the quality of welding and reduces the influence of manual participation on welding quality. In the field of automatic welding, it is necessary to accurately position the welding torch to the starting point of the weld before welding to prepare for the subsequent welding. Due to the limitation of the accuracy of the fixture and the inconsistency of the size and shape of the weldment itself, it is difficult to ensure that the starting point of the weld is at the same position set in advance, which makes it difficult to design an automatic alignment method to achieve precise alignment of the welding torch. starting point. At present, the location of the ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): B23K9/127
CPCB23K9/1276
Inventor 陈国栋赵欣张曙光
Owner 山东中清智能科技股份有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com