CN112666169A - Intelligent detection device and detection method for defects of turbine blades of aircraft engine - Google Patents
Intelligent detection device and detection method for defects of turbine blades of aircraft engine Download PDFInfo
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Abstract
The invention discloses an intelligent detection device for defects of turbine blades of an aircraft engine, which comprises: a detection mechanism; the detection mechanism comprises a shell, and a grabbing layer, a 2D shooting layer and a 3D shooting layer which are fixedly arranged in the shell; the 2D shooting layer comprises a light supplement lamp and an industrial camera which are arranged below the grabbing mechanism; the 3D capture layer includes a sliding measurement mechanism mounted within the housing. The invention discloses an intelligent detection device for defects of turbine blades of an aircraft engine, which is characterized in that a light source supplement to the blades is completed by designing a light supplement lamp, so that the shooting effect of an industrial camera is clearer, and meanwhile, a position adjusting mechanism, a first position changing mechanism and a second position changing mechanism are designed to complete the angle correction of the light supplement lamp and the industrial camera, so that the shooting angle is more perfect, and the detection effect is more accurate.
Description
Technical Field
The invention relates to an intelligent detection device for defects of turbine blades of an aircraft engine, in particular to an intelligent detection device for defects of turbine blades of an aircraft engine and a detection method thereof.
Background
Generally, an aircraft engine is a highly complex and precise thermal machine, and as the heart of an aircraft, the aircraft engine is not only the power for flying the aircraft, but also an important driving force for promoting the development of aviation industry, and each important change in human aviation history is inseparable from the technical progress of the aircraft engine.
The aero-engine has been developed into a mature product with extremely high reliability, and the aero-engine in use includes various types such as a turbojet/turbofan engine, a turboshaft/turboprop engine, a ramjet engine and a piston engine, and not only is used as power for military and civil aircrafts, unmanned planes and cruise missiles for various purposes, but also a gas turbine developed by using the aero-engine is widely used in the fields of ground power generation, marine power, mobile power stations, natural gas and petroleum pipeline pump stations and the like.
The turbine blade of the aircraft engine has strict requirements on required precision, so that the turbine blade of the aircraft engine needs to be subjected to defect detection when being assembled, the defect detection is carried out on the turbine blade of the aircraft engine in a traditional detection mode, the defect detection is carried out by means of front shooting through an industrial camera generally and algorithm comparison, and when the angle of the industrial camera deviates, the detection effect is not ideal, and the expected detection effect cannot be achieved.
Disclosure of Invention
The purpose of the invention is as follows: the intelligent detecting device for the defects of the turbine blades of the aircraft engine is provided to solve the problems in the prior art.
The technical scheme is as follows: an aircraft engine turbine blade defect intelligent detection device includes:
a detection mechanism;
the detection mechanism comprises a shell, and a grabbing layer, a 2D shooting layer and a 3D shooting layer which are fixedly arranged in the shell;
the 2D shooting layer comprises a light supplement lamp and an industrial camera which are arranged below the grabbing mechanism;
the 3D capture layer includes a sliding measurement mechanism mounted within the housing.
In a further embodiment, a feeding mechanism and a discharging mechanism are fixedly arranged at two ends of the detection mechanism;
the feeding mechanism and the discharging mechanism are two groups of same units which are arranged in parallel, each group of same units comprises a material conveying frame fixedly connected with the shell, a material conveying motor fixedly arranged on the material conveying frame, a material conveying shaft coaxially rotating with the material conveying motor, a material conveying input gear sleeved on the material conveying shaft, a material conveying transmission gear in transmission connection with the material conveying input gear, material conveying cylinders inserted in the motion transmission gear and arranged at two ends of the material conveying frame, and material conveying belts sleeved on the material conveying cylinders;
the material conveying barrel is rotationally connected with the material conveying frame.
In a further embodiment, the gripping layer comprises a gripping mechanism fixedly mounted within the housing;
the grabbing mechanism comprises a grabbing base fixedly arranged in the shell, a grabbing first rotating shaft inserted in the grabbing base, a first grabbing arm sleeved on the grabbing first rotating shaft, a grabbing second rotating shaft inserted in the first grabbing arm, a second grabbing arm sleeved on the grabbing second rotating shaft, a grabbing front plate hinged with the second grabbing arm and a grabbing clamp fixedly connected with the grabbing front plate;
an adaptive block is sleeved on the grabbing second rotating shaft, a first grabbing extension rod is arranged between the adaptive block and the grabbing base, and a second grabbing extension rod is arranged between the adaptive block and the grabbing front plate;
the grabbing motor is fixedly connected with the grabbing base and arranged on the side of the grabbing first rotating shaft.
In a further embodiment, the grabbing fixture comprises a rotating motor fixedly connected with the grabbing front plate, a rotating shaft inserted in the rotating motor, a fixture frame fixedly connected with the rotating shaft, and two sets of fixture units which are fixedly arranged on the fixture frame and symmetrically arranged;
each group of clamp units comprises a clamp guide rod inserted in the clamp frame, a clamp sliding block sleeved on the clamp guide rod, a clamp arm fixedly connected with the clamp sliding block, a clamp cushion block fixedly arranged below the clamp arm, and a clamp extension rod arranged between the clamp sliding block and the clamp frame.
In a further embodiment, a first displacement mechanism and a second displacement mechanism are respectively arranged below the light supplementing lamp and the industrial camera;
the first displacement mechanism and the second displacement mechanism are two groups of same units which are symmetrically arranged;
each group of same units comprises a displacement frame fixedly connected with the shell, a displacement vertical guide rod and a displacement vertical screw rod which are inserted in the displacement frame, a displacement vertical sliding frame which is sleeved on the displacement vertical guide rod and the displacement vertical screw rod, a displacement horizontal guide rod and a displacement horizontal screw rod which are inserted in the displacement vertical sliding frame, a displacement horizontal sliding frame which is sleeved on the displacement horizontal guide rod and the displacement horizontal screw rod, a displacement first screw rod and a displacement first guide rod which are inserted in the displacement horizontal sliding frame, a displacement first sliding block which is sleeved on the displacement first screw rod and the displacement first sliding block, and a displacement mechanism which is arranged on the displacement first sliding block;
the end part of the vertical screw rod is provided with a vertical motor fixedly connected with the displacement frame, the end part of the horizontal screw rod is provided with a horizontal motor fixedly connected with the displacement vertical sliding frame, and the end part of the displacement first screw rod is provided with a first motor fixedly connected with the displacement horizontal sliding frame;
accomplish the lamp source replenishment to the blade through designing the light filling lamp for the effect is more clear is shot to the industry camera, has designed positioning mechanism, first displacement mechanism and second displacement mechanism simultaneously and has accomplished the angle correction to light filling lamp and industry camera, and then makes shooting angle perfect more, and then makes the detection effect more accurate.
In a further embodiment, the positioning mechanism comprises a plurality of groups of positioning columns, positioning joints and positioning top plates, wherein the positioning columns are hinged to the first positioning sliding blocks, the positioning joints are fixedly connected with the positioning columns, and the positioning top plates are fixedly connected with the positioning joints;
the position adjusting column comprises a position adjusting cylinder hinged with the position adjusting first sliding block and a position adjusting telescopic rod connected with the position adjusting first cylinder in an inserting mode.
In a further embodiment, the positioning adjustment comprises a positioning connecting rod fixedly connected with the positioning telescopic rod, a positioning clamping block fixedly connected with the positioning connecting rod, a plurality of groups of positioning balls embedded in the positioning clamping block, a positioning adapting block connected with the positioning balls, and a positioning engaging rod fixedly connected with the positioning adapting block and fixedly connected with the positioning top plate;
at least three fifths of the positioning ball is embedded in the positioning clamping block;
a sliding groove matched with the positioning ball is formed in the positioning clamping block;
when the positioning column works, the positioning ball rotates along the sliding groove;
a rotating frame is arranged in front of the position adjusting ball and the position adjusting adaptive block;
the rotating frame comprises a frame body fixedly connected with the position adjusting adaptive block and a ball rotating shaft inserted in the frame body;
the rotating shaft penetrates through the positioning ball;
when the positioning ball needs to be adapted, the positioning connecting rod drives the positioning clamping block to swing at the moment, so that the positioning ball rotates, the positioning adaptive block swings, the distance between the positioning adaptive block and the positioning clamping block is changed, and self-adaption work is finished.
In a further embodiment, the sliding measuring mechanism comprises a sliding input frame installed in the housing, a sliding input motor fixedly connected with the sliding input frame, a sliding input screw rod inserted in the sliding input motor, a sliding input block sleeved on the sliding input screw rod, and a measuring instrument fixedly installed on the sliding input block;
the measuring instrument is a three-dimensional sensor;
through designing the sliding measurement mechanism, the angle of the measuring instrument is prevented from being changed through a sliding detection mode, and the three-dimensional view is more accurate.
In a further embodiment, the detection mechanism is communicated with an industrial control system, and the industrial control system is used for controlling a grabbing layer, a 2D shooting layer and a 3D shooting layer; the shell is also provided with a visual sensor for sensing the position of the blade; the 2D shooting layer and the 3D shooting layer are communicated with the computing terminal.
A detection method of an intelligent detection device for defects of turbine blades of an aircraft engine comprises the following steps:
firstly, placing blades on a feeding mechanism, and enabling a material conveying motor to work so as to drive a material conveying shaft to rotate, further drive a material conveying input gear to rotate, further drive a material conveying transmission gear to rotate, further drive a material conveying cylinder to rotate, and further drive a material conveying belt to rotate;
firstly, a grabbing motor drives a grabbing first rotating shaft to rotate so as to drive a first grabbing arm to swing, then a first grabbing extension rod drives an adaptation block to swing so as to drive a second grabbing arm to swing, and then a second grabbing extension rod drives a grabbing front plate to swing so as to complete the positioning work of driving a grabbing clamp;
at the moment, the clamp extension rod drives the clamp sliding block to slide along the clamp guide rod, so that the clamp arms in the two groups of clamp units are driven to move close to each other, and the clamp work on the blade is finished;
step 4, after the clamping of the blade is finished, the blade is moved to a detection area by the grabbing layer, and 2D shooting work on the blade is finished by the 2D shooting layer;
firstly, adjusting the shooting direction and angle by a first displacement mechanism and a second displacement mechanism;
the vertical motor drives the displacement vertical screw rod to rotate, the displacement vertical sliding frame is further driven to slide along the displacement vertical guide rod, the horizontal motor drives the displacement horizontal screw rod to rotate, the displacement horizontal sliding frame is further driven to slide along the displacement horizontal guide rod, the first motor drives the displacement first screw rod to rotate, the displacement first sliding block slides along the displacement first guide rod, and the positions of the light supplement lamp and the industrial camera are further adjusted;
step 5, after the positions of the light supplement lamp and the industrial camera are adjusted, the position adjusting mechanism drives the light supplement lamp and the industrial camera to complete shooting angle adjustment;
the positioning cylinder drives the positioning telescopic rod to move up and down, so that the positioning top plate is driven to incline, and the light supplement lamp and the industrial camera are driven to be adjusted in angle;
step 6, after the light supplement lamp and the industrial camera are adjusted in angle, the industrial camera finishes shooting the blade;
7, after the 2D shooting layer finishes the work, 3D detection on the blade is finished by the 3D shooting layer, a sliding input screw rod is driven to rotate through a sliding input motor, a sliding input block is driven to slide along a sliding input frame, a measuring instrument is driven to slide, and the measuring instrument finishes the detection work on the blade in the sliding process;
and 8, after the blade is shot, calculating whether the blade has scratches and concave-convex defects by the calculating terminal, and finally controlling the grabbing layer by the industrial control system to place the blade on the discharging mechanism so as to finish the discharging work of the material.
Has the advantages that: the invention discloses an intelligent detection device for defects of turbine blades of an aircraft engine, which is characterized in that a light source supplement to the blades is completed by designing a light supplement lamp, so that the shooting effect of an industrial camera is clearer, and meanwhile, a position adjusting mechanism, a first position changing mechanism and a second position changing mechanism are designed to complete the angle correction of the light supplement lamp and the industrial camera, so that the shooting angle is more perfect, and the detection effect is more accurate.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic diagram of the internal hierarchy of the detection mechanism of the present invention.
Fig. 3 is a schematic view of the grasping mechanism of the present invention.
Fig. 4 is a schematic view of the gripping fixture of the present invention.
FIG. 5 is a schematic view of a first indexing mechanism of the present invention.
Fig. 6 is a schematic view of the positioning mechanism of the present invention.
FIG. 7 is a schematic view of the positioning post of the present invention.
FIG. 8 is a schematic illustration of the positioning section of the present invention.
Fig. 9 is a schematic view of the slide measuring mechanism of the present invention.
Fig. 10 is a schematic view of the inventive turret.
Reference numerals: the device comprises a detection mechanism 1, a displacement frame 111, a displacement vertical guide rod 112, a displacement vertical screw rod 113, a displacement vertical sliding frame 114, a displacement horizontal sliding frame 115, a displacement horizontal screw rod 116, a displacement horizontal guide rod 117, a displacement first guide rod 118, a displacement first screw rod 119, a displacement first slide block 120, a displacement top plate 1201, a displacement column 1202, a displacement cylinder 12021, a displacement telescopic rod 12022, a displacement connecting rod 12023, a displacement clamping block 12024, a displacement ball 12025, a displacement adapting block 12026, a displacement connecting rod 12027, a ball rotating shaft 12028, a frame body 12029, a grabbing base 121, a grabbing first rotating shaft 122, a first grabbing arm 123, a second grabbing arm 124, a grabbing front plate 125, a grabbing clamp 126, a rotating motor 1261, a clamp frame 1262, a clamp slide block 1263, a clamp extension rod 1264, a clamp guide rod 1265, a clamp arm 1266, a clamp cushion block 1267, a second grabbing extension rod 127, a first grabbing extension rod 128, a second rotating shaft 129, a clamping head, A sliding input motor 131, a sliding input frame 132, a sliding input block 133, a measuring instrument 134, a feeding mechanism 2 and a discharging mechanism 3.
Detailed Description
Through research and analysis of the applicant, the reason for the problem (the detection effect is often not ideal enough when the angle of the traditional industrial camera deviates) is that the turbine blade of the aircraft engine has strict requirements on the required precision, so when the turbine blade of the aircraft engine is assembled, the defect detection is required to be carried out on the turbine blade of the aircraft engine, the traditional detection mode is that the front shooting is generally carried out through the industrial camera, the defect is further detected through algorithm comparison, and when the angle of the industrial camera deviates, the detection effect is often not ideal, and the expected detection effect cannot be achieved, the light source supplement of the blade is completed through designing the light supplement lamp, so that the shooting effect of the industrial camera is clearer, and meanwhile, the position adjusting mechanism, the first position changing mechanism and the second position changing mechanism are designed to complete the angle correction of the light supplement lamp and the industrial camera, and then make the shooting angle more perfect, and then make detection effect more accurate.
An aircraft engine turbine blade defect intelligent detection device includes: the device comprises a detection mechanism 1, a displacement frame 111, a displacement vertical guide rod 112, a displacement vertical screw rod 113, a displacement vertical sliding frame 114, a displacement horizontal sliding frame 115, a displacement horizontal screw rod 116, a displacement horizontal guide rod 117, a displacement first guide rod 118, a displacement first screw rod 119, a displacement first slide block 120, a displacement top plate 1201, a displacement column 1202, a displacement cylinder 12021, a displacement telescopic rod 12022, a displacement connecting rod 12023, a displacement clamping block 12024, a displacement ball 12025, a displacement adapting block 12026, a displacement connecting rod 12027, a ball rotating shaft 12028, a frame body 12029, a grabbing base 121, a grabbing first rotating shaft 122, a first grabbing arm 123, a second grabbing arm 124, a grabbing front plate 125, a grabbing clamp 126, a rotating motor 1261, a clamp frame 1262, a clamp slide block 1263, a clamp extension rod 1264, a clamp guide rod 1265, a clamp arm 1266, a clamp cushion block 1267, a second grabbing extension rod 127, a first grabbing extension rod 128, a second rotating shaft 129, a clamping head, A sliding input motor 131, a sliding input frame 132, a sliding input block 133, a measuring instrument 134, a feeding mechanism 2 and a discharging mechanism 3.
An aircraft engine turbine blade defect intelligent detection device includes: a detection mechanism 1; the detection mechanism 1 comprises a shell, and a grabbing layer, a 2D shooting layer and a 3D shooting layer which are fixedly arranged in the shell;
the 2D shooting layer comprises a light supplement lamp and an industrial camera which are arranged below the grabbing mechanism;
the 3D capture layer includes a sliding measurement mechanism mounted within the housing.
And a feeding mechanism 2 and a discharging mechanism 3 are fixedly arranged at two ends of the detection mechanism 1. (ii) a
The feeding mechanism 2 and the discharging mechanism 3. The material conveying device comprises two groups of same units which are arranged in parallel, wherein each group of same units comprises a material conveying frame fixedly connected with a shell, a material conveying motor fixedly arranged on the material conveying frame, a material conveying shaft coaxially rotating with the material conveying motor, a material conveying input gear sleeved on the material conveying shaft, a material conveying transmission gear in transmission connection with the material conveying input gear, material conveying cylinders inserted in the motion transmission gear and arranged at two ends of the material conveying frame, and a material conveying belt sleeved on the material conveying cylinders;
the material conveying barrel is rotationally connected with the material conveying frame.
The grabbing layer comprises a grabbing mechanism fixedly arranged in the shell;
the grabbing mechanism comprises a grabbing base 121 fixedly installed in the shell, a grabbing first rotating shaft 122 inserted in the grabbing base 121, a first grabbing arm 123 sleeved on the grabbing first rotating shaft 122, a grabbing second rotating shaft 129 inserted in the first grabbing arm 123, a second grabbing arm 124 sleeved on the grabbing second rotating shaft 129, a grabbing front plate 125 hinged to the second grabbing arm 124, and a grabbing clamp 126 fixedly connected with the grabbing front plate 125;
an adaptation block is sleeved on the grabbing second rotating shaft 129, a first grabbing extension rod 128 is arranged between the adaptation block and the grabbing base 121, and a second grabbing extension rod 127 is arranged between the adaptation block and the grabbing front plate 125;
a grabbing motor fixedly connected with the grabbing base 121 is arranged on the side of the grabbing first rotating shaft 122.
The grabbing fixture 126 comprises a rotating motor 1261 fixedly connected with the grabbing front plate 125, a rotating shaft inserted in the rotating motor 1261, a fixture frame 1262 fixedly connected with the rotating shaft, and two sets of fixture units which are fixedly arranged on the fixture frame 1262 and symmetrically arranged;
each set of clamp units includes a clamp guide 1265 inserted into the clamp rack 1262, a clamp slider 1263 sleeved on the clamp guide 1265, a clamp arm 1266 fixedly connected to the clamp slider 1263, a clamp pad 1267 fixedly installed below the clamp arm 1266, and a clamp extension rod 1264 disposed between the clamp slider 1263 and the clamp rack 1262.
A first displacement mechanism and a second displacement mechanism are respectively arranged below the light supplementing lamp and the industrial camera;
the first displacement mechanism and the second displacement mechanism are two groups of same units which are symmetrically arranged;
each group of the same units comprises a displacement frame 111 fixedly connected with the shell, a displacement vertical guide rod 112 and a displacement vertical screw rod 113 inserted in the displacement frame 111, a displacement vertical sliding frame 114 sleeved on the displacement vertical guide rod 112 and the displacement vertical screw rod 113, a displacement horizontal guide rod 117 and a displacement horizontal screw rod 116 inserted in the displacement vertical sliding frame 114, a displacement horizontal sliding frame 115 sleeved on the displacement horizontal guide rod 117 and the displacement horizontal screw rod 116, a displacement first screw rod 119 and a displacement first guide rod 118 inserted in the displacement horizontal sliding frame 115, a displacement first sliding block 120 sleeved on the displacement first screw rod 119 and the displacement first sliding block 120, and a displacement mechanism arranged on the displacement first sliding block 120;
the end part of the vertical screw rod is provided with a vertical motor fixedly connected with the displacement frame 111, the end part of the horizontal screw rod is provided with a horizontal motor fixedly connected with the displacement vertical sliding frame 114, and the end part of the displacement first screw rod 119 is provided with a first motor fixedly connected with the displacement horizontal sliding frame 115;
accomplish the lamp source replenishment to the blade through designing the light filling lamp for the effect is more clear is shot to the industry camera, has designed positioning mechanism, first displacement mechanism and second displacement mechanism simultaneously and has accomplished the angle correction to light filling lamp and industry camera, and then makes shooting angle perfect more, and then makes the detection effect more accurate.
The position adjusting mechanism comprises a plurality of groups of position adjusting columns 1202 which are hinged on the position-changing first sliding block 120, position adjusting joints fixedly connected with the position adjusting columns 1202, and position adjusting top plates 1201 fixedly connected with the position adjusting joints;
the positioning column 1202 comprises a positioning cylinder 12021 hinged to the first displacement slider 120 and a positioning telescopic rod 12022 inserted into the positioning cylinder.
The positioning adjustment joint comprises a positioning connecting rod 12023 fixedly connected with the positioning telescopic rod 12022, a positioning fixture block 12024 fixedly connected with the positioning connecting rod 12023, a plurality of groups of positioning balls 12025 embedded in the positioning fixture block 12024, a positioning adaptation block 12026 connected with the positioning balls 12025, and a positioning connection rod 12027 fixedly connected with the positioning adaptation block 12026 and fixedly connected with the positioning top plate 1201;
at least three fifths of the positioning ball 12025 is embedded in the positioning fixture block 12024;
a sliding groove matched with the positioning ball 12025 is formed in the positioning fixture block 12024;
when the positioning column 1202 works, the positioning ball 12025 rotates along the sliding groove;
a rotating frame is arranged in front of the positioning ball 12025 and the positioning adapting block 12026;
the rotating frame comprises a frame body 12029 fixedly connected with the position adjusting adaptation block 12026 and a ball rotating shaft 12028 inserted into the frame body 12029;
the rotating shaft penetrates through the positioning ball 12025;
when the positioning ball 12025 needs to perform adaptation work, the positioning connecting rod 12023 drives the positioning fixture block 12024 to swing, so that the positioning ball 12025 rotates, the positioning adapter block 12026 swings, the distance between the positioning adapter block 12026 and the positioning fixture block 12024 is changed, and the adaptation work is completed.
The sliding measuring mechanism comprises a sliding input frame 132 arranged in the shell, a sliding input motor 131 fixedly connected with the sliding input frame 132, a sliding input screw rod inserted in the sliding input motor 131, a sliding input block 133 sleeved on the sliding input screw rod, and a measuring instrument 134 fixedly arranged on the sliding input block 133;
the gauge 134 is a three-dimensional sensor;
by designing the sliding measurement mechanism, the angle of the measuring instrument 134 is prevented from being changed by a sliding-in detection mode, so that the three-dimensional view is more accurate.
The detection mechanism 1 is communicated with an industrial control system, and the industrial control system is used for controlling a grabbing layer, a 2D shooting layer and a 3D shooting layer; the shell is also provided with a visual sensor for sensing the position of the blade; the 2D shooting layer and the 3D shooting layer are communicated with the computing terminal.
Description of the working principle: feeding work of the blades is finished through the feeding mechanism 2; firstly, the blades are placed on the feeding mechanism 2, and the material conveying motor works to drive the material conveying shaft to rotate, further drive the material conveying input gear to rotate, further drive the material conveying transmission gear to rotate, further drive the material conveying cylinder to rotate, and further drive the material conveying belt to rotate; after the blade moves to the adaptive position, sensing the position of the blade by a visual sensor, and finishing the grabbing work of the blade through a grabbing layer; firstly, the grabbing motor drives the grabbing first rotating shaft 122 to rotate, so as to drive the first grabbing arm 123 to swing, then the first grabbing extension rod 128 drives the adaptive block to swing, so as to drive the second grabbing arm 124 to swing, and then the second grabbing extension rod 127 drives the grabbing front plate 125 to swing, so as to complete the positioning work of the grabbing clamp 126; after the grabbing fixture 126 is adjusted to the proper position, the grabbing fixture 126 finishes grabbing the blade; at the moment, the clamp extending rod 1264 drives the clamp sliding block 1263 to slide along the clamp guide rod 1265, so that the clamp arms 1266 in the two groups of clamp units are driven to move close to each other, and the clamp work on the blade is completed; when the clamping of the blade is finished, the blade is moved to a detection area by the grabbing layer, and the 2D shooting work of the blade is finished by the 2D shooting layer; firstly, adjusting the shooting direction and angle by a first displacement mechanism and a second displacement mechanism; the vertical motor drives the displacement vertical screw rod 113 to rotate, the displacement vertical sliding frame 114 is driven to slide along the displacement vertical guide rod 112, the horizontal motor drives the displacement horizontal screw rod 116 to rotate, the displacement horizontal sliding frame 115 is driven to slide along the displacement horizontal guide rod 117, the first motor drives the displacement first screw rod 119 to rotate, the displacement first sliding block 120 slides along the displacement first guide rod 118, and the positions of the light supplement lamp and the industrial camera are adjusted; after the positions of the light supplement lamp and the industrial camera are adjusted, the position adjusting mechanism drives the light supplement lamp and the industrial camera to complete the adjustment of the shooting angle; the positioning cylinder 12021 drives the positioning telescopic rod 12022 to move up and down, so that the positioning top plate 1201 is driven to incline, and the light supplementing lamp and the industrial camera are driven to be adjusted in angle; after the light supplement lamp and the industrial camera are adjusted in angle, the industrial camera finishes shooting the blade; after the 2D shooting layer finishes working, 3D detection on the blade is finished by the 3D shooting layer, the sliding input screw rod is driven to rotate through the sliding input motor 131, the sliding input block 133 is driven to slide along the sliding input frame 132, the measuring instrument 134 is driven to slide, and the measuring instrument 134 finishes the detection on the blade in the sliding process; after the blade is shot, whether the blade has scratches and concave-convex defects is calculated by the calculating terminal, and finally, the industrial control system controls the grabbing layer to place the blade in the discharging mechanism 3. And then the material discharging work is completed.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments, and various equivalent changes can be made to the technical solution of the present invention within the technical idea of the present invention, and these equivalent changes are within the protection scope of the present invention.
Claims (10)
1. The utility model provides an aircraft engine turbine blade defect intellectual detection system device, characterized by includes:
a detection mechanism;
the detection mechanism comprises a shell, and a grabbing layer, a 2D shooting layer and a 3D shooting layer which are fixedly arranged in the shell;
the 2D shooting layer comprises a light supplement lamp and an industrial camera which are arranged below the grabbing mechanism;
the 3D capture layer includes a sliding measurement mechanism mounted within the housing.
2. The intelligent defect detection device for the turbine blade of the aircraft engine as claimed in claim 1, wherein: a feeding mechanism and a discharging mechanism are fixedly arranged at two ends of the detection mechanism;
the feeding mechanism and the discharging mechanism are two groups of same units which are arranged in parallel, each group of same units comprises a material conveying frame fixedly connected with the shell, a material conveying motor fixedly arranged on the material conveying frame, a material conveying shaft coaxially rotating with the material conveying motor, a material conveying input gear sleeved on the material conveying shaft, a material conveying transmission gear in transmission connection with the material conveying input gear, material conveying cylinders inserted in the motion transmission gear and arranged at two ends of the material conveying frame, and material conveying belts sleeved on the material conveying cylinders;
the material conveying barrel is rotationally connected with the material conveying frame.
3. The intelligent defect detection device for the turbine blade of the aircraft engine as claimed in claim 1, wherein: the grabbing layer comprises a grabbing mechanism fixedly arranged in the shell;
the grabbing mechanism comprises a grabbing base fixedly arranged in the shell, a grabbing first rotating shaft inserted in the grabbing base, a first grabbing arm sleeved on the grabbing first rotating shaft, a grabbing second rotating shaft inserted in the first grabbing arm, a second grabbing arm sleeved on the grabbing second rotating shaft, a grabbing front plate hinged with the second grabbing arm and a grabbing clamp fixedly connected with the grabbing front plate;
an adaptive block is sleeved on the grabbing second rotating shaft, a first grabbing extension rod is arranged between the adaptive block and the grabbing base, and a second grabbing extension rod is arranged between the adaptive block and the grabbing front plate;
the grabbing motor is fixedly connected with the grabbing base and arranged on the side of the grabbing first rotating shaft.
4. The intelligent defect detection device for the turbine blade of the aircraft engine as claimed in claim 3, wherein: the grabbing fixture comprises a rotating motor fixedly connected with the grabbing front plate, a rotating shaft inserted in the rotating motor, a fixture frame fixedly connected with the rotating shaft, and two sets of fixture units which are fixedly arranged on the fixture frame and symmetrically arranged;
each group of clamp units comprises a clamp guide rod inserted in the clamp frame, a clamp sliding block sleeved on the clamp guide rod, a clamp arm fixedly connected with the clamp sliding block, a clamp cushion block fixedly arranged below the clamp arm, and a clamp extension rod arranged between the clamp sliding block and the clamp frame.
5. The intelligent defect detection device for the turbine blade of the aircraft engine as claimed in claim 1, wherein: a first displacement mechanism and a second displacement mechanism are respectively arranged below the light supplementing lamp and the industrial camera;
the first displacement mechanism and the second displacement mechanism are two groups of same units which are symmetrically arranged;
each group of same units comprises a displacement frame fixedly connected with the shell, a displacement vertical guide rod and a displacement vertical screw rod which are inserted in the displacement frame, a displacement vertical sliding frame which is sleeved on the displacement vertical guide rod and the displacement vertical screw rod, a displacement horizontal guide rod and a displacement horizontal screw rod which are inserted in the displacement vertical sliding frame, a displacement horizontal sliding frame which is sleeved on the displacement horizontal guide rod and the displacement horizontal screw rod, a displacement first screw rod and a displacement first guide rod which are inserted in the displacement horizontal sliding frame, a displacement first sliding block which is sleeved on the displacement first screw rod and the displacement first sliding block, and a displacement mechanism which is arranged on the displacement first sliding block;
the tip of perpendicular lead screw be equipped with the perpendicular motor of frame fixed connection shifts, the tip of horizontal lead screw be equipped with the perpendicular carriage fixed connection's that shifts horizontal motor, the tip of the first lead screw that shifts be equipped with horizontal carriage fixed connection's that shifts first motor.
6. The intelligent defect detection device for the turbine blade of the aircraft engine as claimed in claim 1, wherein: the position adjusting mechanism comprises a plurality of groups of position adjusting columns, position adjusting joints and position adjusting top plates, wherein the position adjusting columns are hinged to the position adjusting first sliding blocks;
the position adjusting column comprises a position adjusting cylinder hinged with the position adjusting first sliding block and a position adjusting telescopic rod connected with the position adjusting first cylinder in an inserting mode.
7. The intelligent defect detection device for the turbine blade of the aircraft engine as claimed in claim 6, wherein: the positioning joint comprises a positioning connecting rod fixedly connected with the positioning telescopic rod, a positioning clamping block fixedly connected with the positioning connecting rod, a plurality of groups of positioning balls embedded in the positioning clamping block, a positioning adapting block connected with the positioning balls, and a positioning connecting rod fixedly connected with the positioning adapting block and fixedly connected with the positioning top plate;
at least three fifths of the positioning ball is embedded in the positioning clamping block;
a sliding groove matched with the positioning ball is formed in the positioning clamping block;
when the positioning column works, the positioning ball rotates along the sliding groove;
a rotating frame is arranged in front of the position adjusting ball and the position adjusting adaptive block;
the rotating frame comprises a frame body fixedly connected with the position adjusting adaptive block and a ball rotating shaft inserted in the frame body;
the rotating shaft penetrates through the positioning ball.
8. The intelligent defect detection device for the turbine blade of the aircraft engine as claimed in claim 1, wherein: the sliding measuring mechanism comprises a sliding input frame arranged in the shell, a sliding input motor fixedly connected with the sliding input frame, a sliding input screw rod inserted in the sliding input motor, a sliding input block sleeved on the sliding input screw rod, and a measuring instrument fixedly arranged on the sliding input block;
the measuring instrument is a three-dimensional sensor.
9. The intelligent defect detection device for the turbine blade of the aircraft engine as claimed in claim 1, wherein: the detection mechanism is communicated with an industrial control system, and the industrial control system is used for controlling the grabbing layer, the 2D shooting layer and the 3D shooting layer; the shell is also provided with a visual sensor for sensing the position of the blade; the 2D shooting layer and the 3D shooting layer are communicated with the computing terminal.
10. A detection method of an intelligent detection device for defects of turbine blades of an aircraft engine is characterized by comprising the following steps:
step 1, feeding work of the blades is completed through a feeding mechanism;
firstly, placing blades on a feeding mechanism, and enabling a material conveying motor to work so as to drive a material conveying shaft to rotate, further drive a material conveying input gear to rotate, further drive a material conveying transmission gear to rotate, further drive a material conveying cylinder to rotate, and further drive a material conveying belt to rotate;
step 2, after the blade moves to the adaptive position, sensing the position of the blade by a visual sensor, and finishing the grabbing work of the blade through a grabbing layer;
firstly, a grabbing motor drives a grabbing first rotating shaft to rotate so as to drive a first grabbing arm to swing, then a first grabbing extension rod drives an adaptation block to swing so as to drive a second grabbing arm to swing, and then a second grabbing extension rod drives a grabbing front plate to swing so as to complete the positioning work of driving a grabbing clamp;
step 3, after the grabbing fixture is adjusted to the adaptive position, the grabbing fixture finishes grabbing the blade;
at the moment, the clamp extension rod drives the clamp sliding block to slide along the clamp guide rod, so that the clamp arms in the two groups of clamp units are driven to move close to each other, and the clamp work on the blade is finished;
step 4, after the clamping of the blade is finished, the blade is moved to a detection area by the grabbing layer, and 2D shooting work on the blade is finished by the 2D shooting layer;
firstly, adjusting the shooting direction and angle by a first displacement mechanism and a second displacement mechanism;
the vertical motor drives the displacement vertical screw rod to rotate, the displacement vertical sliding frame is further driven to slide along the displacement vertical guide rod, the horizontal motor drives the displacement horizontal screw rod to rotate, the displacement horizontal sliding frame is further driven to slide along the displacement horizontal guide rod, the first motor drives the displacement first screw rod to rotate, the displacement first sliding block slides along the displacement first guide rod, and the positions of the light supplement lamp and the industrial camera are further adjusted;
step 5, after the positions of the light supplement lamp and the industrial camera are adjusted, the position adjusting mechanism drives the light supplement lamp and the industrial camera to complete shooting angle adjustment;
the positioning cylinder drives the positioning telescopic rod to move up and down, so that the positioning top plate is driven to incline, and the light supplement lamp and the industrial camera are driven to be adjusted in angle;
step 6, after the light supplement lamp and the industrial camera are adjusted in angle, the industrial camera finishes shooting the blade;
7, after the 2D shooting layer finishes the work, 3D detection on the blade is finished by the 3D shooting layer, a sliding input screw rod is driven to rotate through a sliding input motor, a sliding input block is driven to slide along a sliding input frame, a measuring instrument is driven to slide, and the measuring instrument finishes the detection work on the blade in the sliding process;
and 8, after the blade is shot, calculating whether the blade has scratches and concave-convex defects by the calculating terminal, and finally controlling the grabbing layer by the industrial control system to place the blade on the discharging mechanism so as to finish the discharging work of the material.
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