CN214472694U

CN214472694U - Aeroengine blade defect detection device

Info

Publication number: CN214472694U
Application number: CN202120143464.3U
Authority: CN
Inventors: 胡昌旦; 钟广燎
Original assignee: Guangzhou United Faith Intelligent Equipment Co ltd
Current assignee: Guangzhou United Faith Intelligent Equipment Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-10-22
Anticipated expiration: 2031-01-19

Abstract

The utility model discloses an aeroengine blade defect detecting device, it includes the workstation, be provided with six arms on the workstation, the front end of six arms is provided with the frock clamp that is used for centre gripping aeroengine blade, still be provided with sharp module and positioning jig on the workstation, sharp module and positioning jig all establish in the radiating within range of arm exhibition of six arms, be provided with on the activity track of sharp module and sweep laser measuring instrument and visual system wired, the activity track of sharp module passes through motor drive, six arms, frock clamp, the sharp module, positioning jig, it is connected with the control system unit that control aeroengine blade detected to sweep laser measuring instrument and visual system wired. The utility model discloses can improve detection efficiency and reduce the operation degree of difficulty, accomplish high-speed effective to improve product quality requirement.

Description

Aeroengine blade defect detection device

Technical Field

The utility model relates to a detection device especially relates to an aeroengine blade defect detecting device.

Background

Along with the development of manufacturing industry, the application of highlight technology to products in various industries is more and more extensive, especially in aviation blade industry, the quality of the surface is high and low, and the quality of the blade is directly influenced.

At present, for highlight surface defects, whether the surface has defects or not and flatness are judged by observing the highlight surface defects under illumination of a specific angle and comparing the reflection effect of a mobile product with the reflection effect of the surface, due to the subjectivity of a specific individual, the requirements of unified and strict judgment standards are difficult to achieve, the efficiency is low, the conditions of visual fatigue and the like are caused after long observation time, and the uncontrolled conditions of erroneous judgment, missed judgment and the like are easy to occur; the detection mode has many artificial subjective judgment factors, can not perform detailed quantitative processing, can not perform automatic digital storage and recording, and is not beneficial to follow-up data tracking and query.

For the traditional machine vision detection highlight surface, especially irregular curved surface, the defect characteristics are difficult to highlight by using a common polishing mode, the highlight surface reflects light just like a mirror, various glares, inverted images and the like exist in a photographed picture, the visual judgment is greatly influenced, and at present, no suitable light source is available for polishing various effective highlight surface defects.

SUMMERY OF THE UTILITY MODEL

In order to solve the weak point that above-mentioned technique exists, the utility model provides an aeroengine blade defect detecting device.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides an aeroengine blade defect detecting device, it includes the workstation, be provided with six arms on the workstation, the front end of six arms is provided with the frock clamp that is used for centre gripping aeroengine blade, still be provided with sharp module and positioning jig on the workstation, sharp module and positioning jig all establish the arm exhibition of six arms within range of radiating, be provided with on the movable track of sharp module and sweep laser measuring instrument and visual system wired, the movable track of sharp module passes through motor drive, six arms, frock clamp, sharp module, positioning jig, it is connected with the control system unit that control aeroengine blade detected to sweep laser measuring instrument and visual system wired.

Further, aeroengine blade defect detecting device still includes the protective housing, and the protective housing encloses to be established outside the workstation, and the control system unit sets up on the protective housing, and the below of protective housing is provided with four at least universal castor.

Further, the control system unit includes a control screen as an operation interface

Furthermore, the positioning jig comprises a left blade positioning jig and a right blade positioning jig for realizing initial positioning of the blades of the aircraft engine, the left blade positioning jig is positioned in the left front of the six-axis mechanical arm, and the right blade positioning jig is positioned in the right front of the six-axis mechanical arm.

Furthermore, the movable rail is a linear rail capable of realizing linear movement of the linear module, and the linear scanning laser measuring instrument and the visual system are displaced in the range of the linear rail on the workbench.

Further, the tool clamp is a flexible clamping clamp.

Further, the motor is a servo motor.

Further, the vision system includes an industrial camera, a vision lens, and a multi-sector light source.

The utility model provides an aeroengine blade defect detecting device, it can improve detection efficiency and reduce the operation degree of difficulty, accomplishes high-speed effectively to improve product quality requirement. The defects of manual visual inspection are emphatically overcome, the six-axis mechanical arm is adopted to carry and grab the engine blade, three-dimensional line scanning laser is combined with two-dimensional visual inspection to integrally reconstruct the surface and the defect depth of the blade, an AI intelligent algorithm is used to accurately find corresponding defects and calculate the defect types and the defect depths, and therefore the whole solution of the defects of the aero-engine blade with the functions of automatic identification, automatic quantification, automatic classification, automatic data storage and the like of the aero-engine blade is achieved.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a front view of fig. 1.

In the figure: 1. a tooling fixture; 2. a motor; 3. a right blade positioning jig; 4. a six-axis mechanical arm; 5. a work table; 6. a wired scanning laser measuring instrument; 7. a vision system; 8. a linear module; 9. a left blade positioning jig; 10. a protective hood; 11. a control system unit; 12. positioning a jig; 13. a control screen; 14. a universal caster.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The aircraft engine blade defect detection device shown in fig. 1-3 comprises a workbench 5 and a protective hood 10, wherein the protective hood 10 is arranged outside the workbench 5 in an enclosing manner, four universal casters 14 convenient to move are arranged below the protective hood 10, and main detection equipment of the aircraft engine blade defect detection device is arranged on the workbench 5, and specifically comprises the following components:

be provided with six arms 4 on the mesa of workstation 5, the front end of six arms 4 is provided with frock clamp 1 that is used for centre gripping aeroengine blade, and frock clamp 1 is flexible centre gripping anchor clamps, and six arms 4 carry on the clamping jaw of frock clamp 1 and snatch the aeroengine blade.

The worktable 5 is also provided with a linear module 8 and a positioning jig 12, the linear module 8 and the positioning jig are both arranged in the range radiated by the arm spread of the six-axis mechanical arm 4, a linear scanning laser measuring instrument 6 and a vision system 7 are arranged on a movable track of the linear module 8, the movable track is a linear track capable of realizing the linear movement of the linear module 8, the movable track of the linear module 8 is driven by a motor 2, therefore, the linear scanning laser measuring instrument 6 and the vision system 7 are displaced in the range of the linear track on the workbench 5, the motor 2 of the embodiment is a servo motor, the vision system 7 comprises an industrial camera, a vision lens and a multi-sector light source, the vision lens, the industrial camera, the vision lens and the multi-sector light source are responsible for taking photos of the blade of the aero-engine in a matched mode, and the linear scanning laser measuring instrument 6 is responsible for scanning to obtain the surface characteristics of the blade of the aero-engine.

The positioning jig 12 comprises a left blade positioning jig 9 and a right blade positioning jig 3 for realizing initial positioning of the blades of the aircraft engine, the left blade positioning jig 9 is positioned in the left front of the six-axis mechanical arm 4, and the right blade positioning jig 3 is positioned in the right front of the six-axis mechanical arm 4.

The six-axis mechanical arm 4, the tooling clamp 1, the linear module 8, the positioning jig 12, the wired scanning laser measuring instrument 6 and the visual system 7 are all connected with a control system unit 11 for controlling the detection of the blades of the aero-engine. The control system unit 11 comprises a control screen 13 serving as an operation interface, detection parameters are set by using the control screen 13, and the six-axis mechanical arm 4, the tool clamp 1, the linear module 8, the positioning jig 12, the wired scanning laser measuring instrument 6, the vision system and the control system unit 11 are all commercially available products in the field of equipment detection.

The utility model discloses a main detection principle has designed six robots and machine vision, the visual detection scheme that laser measuring instrument is main is swept to the line, and realize through six arms that the aeroengine blade carries out automatic centre gripping and goes up unloading, adopt six arms and flexible centre gripping instrument can the each position of centre gripping blade remove on the position visual system, thereby can reach through six arms and carry out different gestures and shoot to the adjustment of the different angles in blade different positions, change position and the angle that the part swept laser for the line through six arms simultaneously, the displacement that adopts sharp module drives the line and sweeps laser measuring instrument and removes the scanning to the blade surface, thereby it bumps to scan out blade surface reduction characteristic and carry out engine blade, the bruise, the crush injury, surface damage such as mar and the detection of defect degree of depth.

The utility model discloses the interior purchase improves detection efficiency and reduces the operation degree of difficulty, accomplishes high-speed effectively to improve product quality requirement. The defects of manual visual inspection are emphatically overcome, the six-axis mechanical arm is adopted to carry and grab the engine blade, three-dimensional line scanning laser is combined with two-dimensional visual inspection to integrally reconstruct the surface and the defect depth of the blade, an AI intelligent algorithm is used to accurately find corresponding defects and calculate the defect types and the defect depths, and therefore the whole solution of the defects of the aero-engine blade with the functions of automatic identification, automatic quantification, automatic classification, automatic data storage and the like of the aero-engine blade is achieved.

The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and the technical personnel in the technical field are in the present invention, which can also belong to the protection scope of the present invention.

Claims

1. The utility model provides an aeroengine blade defect detecting device which characterized in that: the device comprises a workbench (5), six mechanical arms (4) are arranged on the workbench (5), a tool clamp (1) for clamping an aircraft engine blade is arranged at the front end of each six mechanical arm (4), a linear module (8) and a positioning jig (12) are further arranged on the workbench (5), the linear module (8) and the positioning jig (12) are both arranged in the range radiated by the arm spread of the six mechanical arms (4), a linear scanning laser measuring instrument (6) and a visual system (7) are arranged on a movable track of the linear module (8), the movable track of the linear module (8) is driven by a motor (2), the six-axis mechanical arm (4), the tooling fixture (1), the linear module (8), the positioning jig (12), the wired sweeping laser measuring instrument (6) and the visual system (7) are all connected with a control system unit (11) for controlling the detection of the blades of the aero-engine.

2. The aircraft engine blade defect detection apparatus of claim 1, wherein: aeroengine blade defect detecting device still includes protective housing (10), and protective housing (10) enclose to be established outside workstation (5), control system unit (11) set up on protective housing (10), and the below of protective housing (10) is provided with four at least universal caster (14).

3. The aircraft engine blade defect detection apparatus of claim 2, wherein: the control system unit (11) comprises a control screen (13) as an operating interface.

4. The aircraft engine blade defect detection apparatus of claim 3, wherein: positioning jig (12) are including realizing initial positioning left blade positioning jig (9) and right blade positioning jig (3) of aeroengine blade, and left blade positioning jig (9) are located the left the place ahead of six arms (4), and right blade positioning jig (3) are located the right front of six arms (4).

5. The aircraft engine blade defect detection apparatus of claim 4, wherein: the movable track is a linear track capable of realizing linear movement of the linear module (8), and the linear scanning laser measuring instrument (6) and the visual system (7) are displaced in the range of the linear track on the workbench (5).

6. The aircraft engine blade defect detection apparatus of claim 5, wherein: the tool clamp (1) is a flexible clamping clamp.

7. The aircraft engine blade defect detection apparatus of claim 6, wherein: the motor (2) is a servo motor.

8. The aircraft engine blade defect detection apparatus of claim 7, wherein: the vision system (7) comprises an industrial camera, a vision lens and a multi-sector light source.