CN106501281A - A kind of full-automatic accurate short steel pipes quality detecting system - Google Patents

A kind of full-automatic accurate short steel pipes quality detecting system Download PDF

Info

Publication number
CN106501281A
CN106501281A CN201610917274.6A CN201610917274A CN106501281A CN 106501281 A CN106501281 A CN 106501281A CN 201610917274 A CN201610917274 A CN 201610917274A CN 106501281 A CN106501281 A CN 106501281A
Authority
CN
China
Prior art keywords
host computer
plc control
steel pipe
steel pipes
full
Prior art date
Application number
CN201610917274.6A
Other languages
Chinese (zh)
Inventor
卢旭
祁伟
陆华
陆一华
袁飞
Original Assignee
广东技术师范学院
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广东技术师范学院 filed Critical 广东技术师范学院
Priority to CN201610917274.6A priority Critical patent/CN106501281A/en
Publication of CN106501281A publication Critical patent/CN106501281A/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical means
    • G01B5/02Measuring arrangements characterised by the use of mechanical means for measuring length, width or thickness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical means
    • G01B5/08Measuring arrangements characterised by the use of mechanical means for measuring diameters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical means
    • G01B5/08Measuring arrangements characterised by the use of mechanical means for measuring diameters
    • G01B5/12Measuring arrangements characterised by the use of mechanical means for measuring diameters internal diameters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/952Inspecting the exterior surface of cylindrical bodies or wires
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/954Inspecting the inner surface of hollow bodies, e.g. bores
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/95Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/954Inspecting the inner surface of hollow bodies, e.g. bores
    • G01N2021/9548Scanning the interior of a cylinder

Abstract

The present invention discloses a kind of full-automatic accurate short steel pipes quality detecting system, including PLC control system and the host computer and the fully-automated synthesis platform being connected with PLC control system and host computer respectively of PLC control system connection;The PLC control system is used for the overall logic of completion system and controls;The fully-automated synthesis platform is used for the acquisition for completing detection signal, drives the motion of detection means and short tube;The host computer is industrial computer, comprising a set of image processing software and a set of number management software;Image processing software is used for the process and analysis of the picture for completing industrial camera shooting, judges that steel pipe outward appearance whether there is defect;Number management software is used for realizing the real-time display of steel pipe non-defective unit number and defective products number, statistics and storage on production line.

Description

A kind of full-automatic accurate short steel pipes quality detecting system

Technical field

The invention belongs to tube quality detection field, more particularly to a kind of full-automatic accurate short steel pipes quality detecting system.

Background technology

Accurate short steel pipes are widely used on the industrial products such as automobile, equipment, and the quality of accurate short steel pipes is except composition, strong Outside the indexs such as degree, most important is exactly its size and outward appearance.The Indexs measures such as composition, intensity are carried out generally before production, or Finished product is inspected by random samples.Before accurate short steel pipes finished product dispatches from the factory, it usually needs the size and outward appearance of all finished products are carried out entirely Inspection.Size includes length, external diameter, internal diameter;Outward appearance refers to steel tube surface with the presence or absence of defect, such as pit, pitted skin, rust staining, cut etc.. The size of accurate short steel pipes and outward appearance detection are relied primarily at present and are manually carried out, and the hand-held steel pipe of typically one workman is using special Whether mechanical dimension's monitor station detected size of design is up to standard, then passs second workman using perusal steel pipe outward appearance, Judge that steel tube surface whether there is defect.This detection method expends a large amount of manpower and materials, and detection error is big, and workman's work is strong Degree is big, is not suitable for working long hours.

Content of the invention

In view of the above problems, it is an object of the invention to provide a kind of fully-automated synthesis, without the need for manual intervention, effectively can carry High detection efficiency and quality, reduce the full-automatic accurate short steel pipes quality detecting system of enterprise's production capacity.

For achieving the above object, a kind of full-automatic accurate short steel pipes quality detecting system that the present invention is provided, controls including PLC The host computer and the full-automatic inspection with PLC control system and host computer data respectively of system processed and PLC control system connection Survey platform;The PLC control system includes CPU, power supply, input module and output module, for the overall logic of completion system Control;The fully-automated synthesis platform includes that industrial camera, light source, motor, direct current generator, photoelectric sensor, power are anti- Infeed sensor device, encoder, actuating device, machinery, for completing the acquisition of detection signal, driving detection means and short tube Motion;The host computer is industrial computer, comprising a set of image processing software and a set of number management software in the host computer;Figure It is used for the process and analysis of the picture for completing industrial camera shooting as processing software, judges that steel pipe outward appearance whether there is defect; Number management software is used for realizing the real-time display of steel pipe non-defective unit number and defective products number, statistics and storage on production line.

The invention has the beneficial effects as follows fully-automated synthesis, without the need for manual intervention, can effectively improve detection efficiency and quality, drop Low enterprise's production capacity effect.

Description of the drawings

Fig. 1 is a kind of structured flowchart of full-automatic accurate short steel pipes quality detecting system of the invention;

Fig. 2 is a kind of schematic diagram of full-automatic accurate short steel pipes quality detecting system of the invention;

Fig. 3 be the image of taken outer surface of steel tube in outward appearance of the present invention detection and with software processes after effect Figure;

Fig. 4 be the image of taken steel pipe internal-surface in outward appearance of the present invention detection and with software processes after effect Figure.

Specific embodiment

Below in conjunction with the accompanying drawings invention is described in further detail.

As shown in figure 1, a kind of full-automatic accurate short steel pipes quality detecting system, controls including PLC control system 1 and PLC The host computer 2 and the fully-automated synthesis platform 3 being connected with PLC control system 1 and host computer 2 respectively of the connection of system 1.

Wherein, PLC control system 1 includes CPU, power supply, input module and output module, and the totality for completion system is patrolled Collect control.Fully-automated synthesis platform 3 includes industrial camera, light source, motor, direct current generator, photoelectric sensor, force feedback Sensor, encoder, actuating device, machinery, for completing the acquisition of detection signal, drive the fortune of detection means and short tube Dynamic.Host computer 2 is industrial computer, comprising a set of image processing software and a set of number management software in host computer 2;Image procossing is soft Part is used for the process and analysis of the picture for completing industrial camera shooting, judges that steel pipe outward appearance whether there is defect;Number is managed Software is used for realizing the real-time display of steel pipe non-defective unit number and defective products number, statistics and storage on production line.

The workflow of the present invention is as shown in Fig. 2 tested steel pipe 4 is pressed from both sides by a mechanical hand 5 equipped with force feedback sensor Control is held, mechanical hand 5 drives movement by guide rail 6, there are horizontal and vertical two degree of freedom.Comprise the following steps that:

1) automated cleaning.Now tested steel pipe 4 is in low order end.Automated cleaning part 7 completes the automated cleaning of steel pipe, just In follow-up detection and packaging.Cleaner has inner core and overcoat two-layer, respectively the inner surface and outer surface of cleaning steel pipe, cleaning Material is using the soft brush (such as flannelette brush) for not damaging steel tube surface.When steel pipe moves to this station, soft brush 9 is controlled by motor 8 and is moved And rotation, complete to clean, reach detection required cleaning standard, but do not damage product surface.

2) outward appearance detection.Now tested steel pipe 4 is moved to left to the second station.Outward appearance detection part 10 passes through industrial vision technology Realize, steel pipe outward appearance is shot using industrial camera, by the image processing software and algorithm in industrial computer 2 to captured Photo is carried out processing, is analyzed, and detects steel pipe outward appearance with the presence or absence of defects such as pit, pitted skin, rust staining, cuts.Short tube outer surface Being shot by a line scan camera, being aided with strip source, short tube is rotated along axle center, the whole appearance of short tube is made using line scan camera Face forms a width plane graph.Short tube inner surface is shot from end face by industrial camera, provides illumination by collimated backlight light source, then to institute The picture for photographing carries out software correction and analysis.

The image of taken outer surface of steel tube and with software processes after effect, as shown in Figure 3.Taken steel The image of pipe internal surface and with software processes after effect, as shown in Figure 4.After using algorithm process, can determine whether out whether there is Defect.

3) inner diameter measurement.Tested steel pipe continues to move to left a station.Using diameter meet error requirements small one and large one two The metal ball 11 of individual fixation detects that to pipe diameter clamping steel pipe 4 with mechanical hand 5 and up moving, steel pipe 4 integrally can be packed into Lower section spheroid but can not cover top spheroid, then judge pipe diameter size qualification, otherwise unqualified.During using mechanical hand 5 On force feedback sensor and platform on photoelectric sensor judging whether steel pipe 4 packs into spheroid.

4) external diameter detection.(step-like structure, after port of export internal diameter is more than to meet a two-stage of error requirements using internal diameter End internal diameter) the cylindrical metal ring 12 of fixation outer diameter of steel pipes is detected, clamp steel pipe 4 with mechanical hand 5 and up move, steel Pipe 4 can integrally be filled in the port of export of becket 12 and fill in again and not enter rear end, then judge outer diameter of steel pipes size qualification, otherwise unqualified. During judge whether steel pipe fills in metal using the photoelectric sensor on the force feedback sensor and platform on mechanical hand 4 Ring.

5) length detection.(step-like structure, right-hand member shoulder height is higher than to meet a two-stage of error requirements using height Left end shoulder height) metal cover board 13 length of steel pipe is detected, clamp steel pipe 4 toward moving left with mechanical hand 5, steel pipe 4 The right-hand member step that metal cover board 13 can be integrally moved into is moved again and does not enter its left end step, then judge outer diameter of steel pipes size qualification, otherwise Unqualified.During judge whether steel pipe moves using the photoelectric sensor on the force feedback sensor and platform on mechanical hand 5 Enter metal cover board.

6) count automatically.Qualified and underproof product, system is checked to count automatically simultaneously through above-mentioned all detecting steps In display, storage and management that host computer carries out data.

Above-described is only some embodiments of the present invention.For the person of ordinary skill of the art, not On the premise of departing from the invention design, some deformations and improvement can also be made, these belong to the protection domain of invention.

Claims (1)

1. a kind of full-automatic accurate short steel pipes quality detecting system, it is characterised in that including PLC control system and PLC controls system The host computer and the fully-automated synthesis platform being connected with PLC control system and host computer respectively of system connection;
The PLC control system includes CPU, power supply, input module and output module, for the overall logic control of completion system System;
The fully-automated synthesis platform includes industrial camera, light source, motor, direct current generator, photoelectric sensor, force feedback Sensor, encoder, actuating device, machinery, for completing the acquisition of detection signal, drive the fortune of detection means and short tube Dynamic;
The host computer is industrial computer, comprising a set of image processing software and a set of number management software in the host computer;Figure It is used for the process and analysis of the picture for completing industrial camera shooting as processing software, judges that steel pipe outward appearance whether there is defect; Number management software is used for realizing the real-time display of steel pipe non-defective unit number and defective products number, statistics and storage on production line.
CN201610917274.6A 2016-10-21 2016-10-21 A kind of full-automatic accurate short steel pipes quality detecting system CN106501281A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610917274.6A CN106501281A (en) 2016-10-21 2016-10-21 A kind of full-automatic accurate short steel pipes quality detecting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610917274.6A CN106501281A (en) 2016-10-21 2016-10-21 A kind of full-automatic accurate short steel pipes quality detecting system

Publications (1)

Publication Number Publication Date
CN106501281A true CN106501281A (en) 2017-03-15

Family

ID=58318204

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610917274.6A CN106501281A (en) 2016-10-21 2016-10-21 A kind of full-automatic accurate short steel pipes quality detecting system

Country Status (1)

Country Link
CN (1) CN106501281A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006194692A (en) * 2005-01-12 2006-07-27 Mitsutoyo Corp Measurement apparatus and measurement method
US7458170B1 (en) * 2006-02-17 2008-12-02 Richardson Shane D Automatic cord length measuring device
US20110146095A1 (en) * 2008-07-30 2011-06-23 Sumitomo Metal Industries, Ltd. Dimension measuring device for long material
CN102735177A (en) * 2011-03-29 2012-10-17 浙江大学 Comparative measurement method-based multi-parameter vision measurement system of inner ring of bearing
US20140360036A1 (en) * 2011-12-29 2014-12-11 Vallourec Oil And Gas France Device for measuring an internal or external profile of a tubular component

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006194692A (en) * 2005-01-12 2006-07-27 Mitsutoyo Corp Measurement apparatus and measurement method
US7458170B1 (en) * 2006-02-17 2008-12-02 Richardson Shane D Automatic cord length measuring device
US20110146095A1 (en) * 2008-07-30 2011-06-23 Sumitomo Metal Industries, Ltd. Dimension measuring device for long material
CN102735177A (en) * 2011-03-29 2012-10-17 浙江大学 Comparative measurement method-based multi-parameter vision measurement system of inner ring of bearing
US20140360036A1 (en) * 2011-12-29 2014-12-11 Vallourec Oil And Gas France Device for measuring an internal or external profile of a tubular component

Similar Documents

Publication Publication Date Title
CN104111260B (en) Ceramic Tiles non-destructive detecting device and detection method
CN103716620B (en) Automatic function testing machine for camera modules
CN102735177B (en) A kind of bearing inner race Multi-parameter visual measuring system of mensuration based on the comparison
CN102221563B (en) Apparatus for automatically inspecting defects of PCB (printed circuit board)
US20070271064A1 (en) System and method for identifying a feature of a workpiece
CN104198157B (en) Automatic sorting device with lens detection function
CN204718970U (en) Product appearance inspection device
CN204064972U (en) optical lens surface defect detecting system
CN100593716C (en) On-line detecting method of machine vision system for printed calico flaw
CN102553833B (en) A kind of slewing parts multistation Multi-parameter visual measuring system and method
CN103808734B (en) Auto-parts fully-automated synthesis equipment
CN204177749U (en) Steel ball surface defect detection apparatus
CN203124215U (en) Frame sealant coating machine
CN103743761B (en) A kind of eyeglass watermark defect image detection device
CN106895961B (en) A kind of detection device and its detection method of backlight module
CN104076042B (en) Cylindrical bar outward appearance automatic detection device
CN103921394A (en) Automatic production and detection equipment of insert injection molding product
CN203508418U (en) Device for detecting appearance of tobacco packaging box
CN103785627A (en) On-line lithium battery pole piece surface defect detection sorting system and method
CN203054450U (en) Foreign matter inspection and treatment device and exposure machine
KR20170018080A (en) Linear inspection system
CN202075755U (en) Visual detection device for microcracks on surface of workpiece
CN105113403A (en) Intelligent detecting equipment and method for bottom of bridge
CN201769429U (en) Sticking film machine capable of automatically detecting products
CN103175847B (en) Grating surface defect detecting device

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination