CN109900708A - A kind of detection device for engine cylinder body top surface and cylinder holes defect - Google Patents
A kind of detection device for engine cylinder body top surface and cylinder holes defect Download PDFInfo
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Abstract
The present invention provides a kind of detection devices for engine cylinder body top surface and cylinder holes defect, including eddy current detection unit, eddy current detection unit includes current vortex inductive probe, current vortex driving device, current vortex transmission mechanism, current vortex transmission mechanism is connected with the current vortex driving device, current vortex inductive probe is mounted on current vortex transmission mechanism, and current vortex driving device drives current vortex inductive probe to carry out rotary scanning detection by the movement of driving current vortex transmission mechanism.The beneficial effects of the present invention are: 1. integration of equipments are suitable for the optical photographing imaging technique of cylinder deck and the current vortex Detection Techniques for being suitable for cylinder holes, realization do not contact cylinder body can automatic rapid survey, measuring speed is fast, high-efficient, precision is high, stability is high；2. the equipment, it can be achieved that on-line checking function in the production line, while can be formed examining report and carry out data statistics to testing result by surrounding environment influence minimum (temperature, humidity, noise etc.).
Description
Technical field
The present invention relates to engines to manufacture manufacture field, more particularly to one kind for engine cylinder body top surface and cylinder holes defect
Detection device.
Background technique
Engine cylinder body part cylinder block and head faying face (hereinafter referred to as " top surface ") is to form engine chamber important
Sealing surface, surface quality requirements are high.Cylinder holes surface is the surface of reciprocating motion of the pistons after engine ignition starting, surface essence
Degree requires high.Production line is more difficult to defect (tool marks, the sand holes, shrinkage cavity etc.) detection on cylinder deck and cylinder holes surface,
Following 2 kinds generally are divided into the defect detection of engine cylinder body top surface and cylinder holes surface at present:
1), checked using manually visualizing, manually visually inspected using illuminations, this be existing production line frequently with side
Method, but practical improvement of visual effect reliability and stability is poor, is affected by human factors greatly, human engineering is poor, low efficiency；
2), using vision camera arrangement, which is taken pictures using camera, by taking pictures and the processing of certain imaging technique, with mark
Quasi- image comparison identifies defect, realizes automatic measurement, other parts factory common method；But this method is to the defect of cylinder body cylinder holes
Effect on Detecting is bad, and beat is slow, flexible poor, and the defect minimum dimension that can be identified is limited, cannot identify that invisible crack, shrinkage cavity etc. lack
It falls into.
Summary of the invention
The present invention provides a kind of detection devices for engine cylinder body top surface and cylinder holes defect, including eddy current detection
Unit, the eddy current detection unit include current vortex inductive probe, current vortex driving device, current vortex transmission mechanism, described
Current vortex transmission mechanism is connected with the current vortex driving device, and the current vortex inductive probe is mounted on the current vortex transmission
In mechanism, the current vortex driving device is by driving the current vortex transmission mechanism movement to drive the current vortex to incude
Probe carries out rotary scanning detection.
As a further improvement of the present invention, the current vortex transmission mechanism include slip ring, it is the first synchronous pulley, second same
Belt wheel, synchronous belt, bearing block, main shaft, installation connecting plate are walked, the slip ring, the current vortex driving device are mounted on the peace
On load fishplate bar, first synchronous pulley is mounted on the slip ring, and second synchronous pulley is mounted on the current vortex
In driving device, first synchronous pulley is connected with second synchronous pulley by the synchronous belt, and the main shaft passes through
The bearing block is mounted on the installation connecting plate below the slip ring, and the current vortex inductive probe is mounted on the master
On axis, the current vortex driving device drives second synchronous pulley to be rotated, and second synchronous pulley passes through rotation
First synchronous pulley is driven to carry out rotation to drive the current vortex inductive probe rotary scanning to detect.
As a further improvement of the present invention, which includes detection unit of taking pictures, the detection unit packet of taking pictures
Industrial camera, sliding equipment, the first connecting plate are included, the industrial camera passes through first connecting plate and the sliding equipment phase
Even；The sliding equipment includes moving slide board, moving slide board driving device, connecting guide plate, the moving slide board and described the
One connecting plate is connected, the industrial camera under the driving of the moving slide board driving device, by first connecting plate and
The moving slide board can be slided individually on the connecting guide plate.
As a further improvement of the present invention, which includes transverse moving mechanism, the detection unit of taking pictures, institute
Eddy current detection unit is stated to be mounted on the transverse moving mechanism.
As a further improvement of the present invention, the transverse moving mechanism includes transverse shifting driving device, transverse shifting
Drag chain, transverse shifting guide rail, transverse shifting lead screw, the detection device include overall base, the second connecting plate, mounting bracket, institute
Stating overall base includes crossbeam, column, and the crossbeam is mounted on the column, and the transverse shifting driving device is laterally moved
Dynamic drag chain, the transverse shifting guide rail, the transverse shifting lead screw are mounted on the crossbeam, the transverse shifting driving device
It is connected with the transverse shifting lead screw, the transverse shifting drag chain, the eddy current detection unit passes through the second connecting plate and institute
Transverse shifting guide rail to be stated to be connected, the detection unit of taking pictures is connected by the mounting bracket with the eddy current detection unit,
When the transverse shifting driving device drives the transverse shifting lead screw to move in the horizontal direction, the current vortex will be driven to examine
Survey unit, the detection unit entirety of taking pictures moves left and right on the transverse shifting guide rail simultaneously；The transverse shifting driving
Device is cylinder.
As a further improvement of the present invention, which includes longitudinal moving mechanism, the eddy current detection unit
It is mounted on the longitudinal moving mechanism.
As a further improvement of the present invention, the longitudinal moving mechanism includes vertical movable driving equipment, longitudinal movement
Drag chain, longitudinal movement rail, longitudinal movement lead screw, the first mounting plate, the vertical movable driving equipment, the longitudinal movement are dragged
Chain, the longitudinal movement rail, the longitudinal movement lead screw are mounted on first mounting plate, the first mounting plate installation
On second connecting plate, the vertical movable driving equipment and the longitudinal movement lead screw, the longitudinal movement drag chain phase
Even, when the vertical movable driving equipment drives the longitudinal leadscrew to move in the vertical direction, the current vortex will be driven to examine
Unit is surveyed to move up and down on the longitudinal movement rail；The vertical movable driving equipment is cylinder.
As a further improvement of the present invention, which further includes aeration cleaning mechanism, the aeration cleaning mechanism
Including air blowing driving device, guiding device, blowning installation, the guiding device respectively with the air blowing driving device, described blow
Device of air is connected, and the air blowing driving device drives the guiding device that the blowning installation is driven to blow engine cylinder body surface
Gas cleaning；The blowning installation include cover, first jet, second nozzle, third connecting plate, link block, steel pipe, divide air parcel,
First gas source connector, the second gas source connector, the first plug, the second plug, it is described that air parcel is divided to be mounted on outside the cover, it is described
Air parcel is divided to be connected respectively with first gas source connector, second gas source connector and first plug, second plug
It connects, the steel pipe, the third connecting plate, the link block are located inside the cover, described steel pipe one end and the guiding
Device is connected, and the steel pipe other end is equipped with the second nozzle, is equipped with the link block below the third connecting plate,
The first jet is mounted on the link block；The guiding device include mounting plate, two guiding axis, bearing, guide rod,
Air supported head, described guide rod one end are connected with the air blowing driving device, and the guide rod other end passes through the steel pipe and institute
State nozzle be connected, and the guide rod other end by it is described raise the nose above water to breathe and the third connecting plate respectively with described two guiding
Axis, cover are connected, and described two guiding axis are mounted on the two sides of the guide rod, and described two guiding axis one end pass through the axis
It holds and connect guiding with the mounting plate, described two guiding axis other ends are connected with the third connecting plate, the third connection
Plate is mounted on cover inner tip position, described in described two guiding axis drive under the action of the air blowing driving device
Cover moves up and down, and when the cover moves on to lower end, gas source signal is connected, and the first jet, the second nozzle pass through
Part measured surface is cleaned in air blowing, and the air blowing driving device retracts after a certain period of time, while air blowing driving dress
It sets and the cover and the first jet, the second nozzle is driven to move upwardly away from part, and stop blowing.
As a further improvement of the present invention, the current vortex driving device includes servo drive motor and reduction gearbox；Institute
Stating moving slide board driving device is small cylinder；The air blowing driving device is cylinder, and the cylinder is mounted on the mounting plate
And be connected with the guide rod, the column is equipped with upright column sliding platform, and the mounting plate is mounted on the upright column sliding platform, described
Dust-containing disc is equipped with below cover；The current vortex inductive probe includes current vortex induction coil, eddy current probe guiding, the electricity
Vortex induction coil, eddy current probe guiding are mounted on the main shaft, and the eddy current probe guiding is mounted on described
Above current vortex induction coil.
As a further improvement of the present invention, which includes position-limit mechanism, and the position-limit mechanism can guarantee electric whirlpool
Detection unit, the moving range of the detection unit of taking pictures are flowed, the position-limit mechanism quantity is multiple；The detection device includes solid
Determine code reader, lifting mechanism, opposite type sensor, sensors in place, the fixed code reader is barcode scanning gun, and the barcode scanning gun passes through
It reads engine cylinder body two-dimensional barcode information to be bound, the lifting mechanism is used to the engine cylinder body being raised up to a positioning
It sets, so that the eddy current detection unit, the photographing unit detect engine cylinder body.
The beneficial effects of the present invention are: 1. integration of equipments are suitable for the optical photographing imaging technique of cylinder deck and are applicable in
In the current vortex Detection Techniques of cylinder holes, realization do not contact cylinder body can automatic rapid survey, measuring speed is fast, high-efficient, precision
High, stability height；2. the equipment by surrounding environment influence minimum (temperature, humidity, noise etc.), it can be achieved that in the production line
Line detection function traces 100% barcode scanning of part traceability code, while can form examining report and carry out data system to testing result
Meter；3. equipment is suitable for eddy current probe and detected product surface distance can reach 1mm, can substantially reduce to machinery
With servo-system required precision, while rotating detector system has revolving speed high, runs smoothly, and signal transmission is reliable, zero dimension shield
Feature；4. the equipment is by mechanical executive component, sensor routines judgement control equipment fully automatic operation, operational process is not by artificial
Factor influences, and the gauge head for solving escape 5. equipment of quality problems of defect caused by Manual Visual Inspection poor reliability can pass through movement
Realize that the narrow cylinder holes space of engine cylinder body is carried out without dead angle current vortex scanning probe with rotation, compatibility is high, for production
In multi-model switching and new architecture go into operation rapid survey offer convenience；6. the equipment on-line 100% detect cylinder deck with
The defects of cylinder holes dimple, tool marks, scratch, can play 100% directive function to cylinder deck and cylinder holes surface quality；7. should
Equipment major mechanical part is all made of international standard model, and interchangeability is high, easy to maintenance；8. the device structure is simple, disposable to throw
Enter that cost is relatively low, the man-machine engineering pressure such as employee's visual fatigue, source stimulating is effectively reduced.
Detailed description of the invention
Fig. 1 is detection device overall structure figure of the present invention；
Fig. 2 is detection device side view of the present invention；
Fig. 3 is that detection device of the present invention settles accounts mechanism structure figure；
Fig. 4 is that detection device of the present invention settles accounts mechanism sectional view；
Fig. 5 is that detection device of the present invention settles accounts mechanism cover top view；
Fig. 6 is detection device transverse moving mechanism of the present invention, longitudinal moving mechanism structure chart；
Fig. 7 is detection device of the present invention to mobile mechanism, longitudinal moving mechanism side view；
Fig. 8 is present invention detection transverse moving mechanism, longitudinal moving mechanism top view；
Fig. 9 is detection device eddy current detection cellular construction figure of the present invention；
Figure 10 is detection device current vortex transmission mechanism structure chart of the present invention；
Figure 11 is present invention detection photographing unit structure chart.
Specific embodiment
As shown in figs. 1-11, the invention discloses a kind of detection device for engine cylinder body top surface and cylinder holes defect,
Including eddy current detection unit, the eddy current detection unit includes current vortex inductive probe 21, current vortex driving device 22, electricity
Vortex transmission mechanism, the current vortex transmission mechanism are connected with the current vortex driving device 22, the current vortex inductive probe
21 are mounted on the current vortex transmission mechanism, and the current vortex driving device 22 is by driving the current vortex transmission mechanism fortune
It moves that the current vortex inductive probe 21 is driven to carry out rotary scanning detection.
The current vortex transmission mechanism includes slip ring 201, the first synchronous pulley 202, the second synchronous pulley 203, synchronous belt
204, bearing block 205, main shaft 206, installation connecting plate 207, the slip ring 201, the current vortex driving device 22 are mounted on institute
It states on installation connecting plate 207, first synchronous pulley 202 is mounted on the slip ring 201, second synchronous pulley 203
It is mounted in the current vortex driving device 22, first synchronous pulley 202 passes through described with second synchronous pulley 203
Synchronous belt 204 is connected, and the main shaft 206 is connected by the installation that the bearing block 205 is mounted on 201 lower section of slip ring
On plate 207, the current vortex inductive probe 21 is mounted on the main shaft 206, and the current vortex driving device 22 drives described
Second synchronous pulley 203 is rotated, second synchronous pulley 203 by rotation drive first synchronous pulley 202 into
Row rotation is to drive 21 rotary scanning of current vortex inductive probe to detect.
The detection device includes taking pictures detection unit, and the detection unit of taking pictures includes industrial camera 31, sliding equipment, the
One connecting plate 32, the industrial camera 31 are connected by first connecting plate 32 with the sliding equipment；The sliding equipment
Including moving slide board 301, moving slide board driving device 302, connecting guide plate 303, the moving slide board 301 connects with described first
Fishplate bar 32 is connected, and the industrial camera 31 passes through first connecting plate under the driving of the moving slide board driving device 302
32 and the moving slide board 301, it can individually be slided on the connecting guide plate 303.
The industrial camera includes light source 310, light source mounting plate 311, camera lens.
The detection device includes transverse moving mechanism, and the detection unit of taking pictures, the eddy current detection unit are mounted on
On the transverse moving mechanism.
The transverse moving mechanism includes transverse shifting driving device 401, transverse shifting drag chain 402, transverse shifting guide rail
403, transverse shifting lead screw 404, the detection device include overall base 51, the second connecting plate 52, mounting bracket 53, the entirety
Pedestal includes crossbeam 501, column 502, and the crossbeam 501 is mounted on the column 502, and 502 quantity of column is two,
The crossbeam 501 is mounted between two columns, the transverse shifting driving device 401, transverse shifting drag chain 402, institute
State transverse shifting guide rail 403, the transverse shifting lead screw 404 is mounted on the crossbeam 501, the transverse shifting driving device
401 are connected with the transverse shifting lead screw 404, the transverse shifting drag chain 402, and the eddy current detection unit connects by second
Fishplate bar 52 is connected with the transverse shifting guide rail 403, and the detection unit of taking pictures passes through the mounting bracket 53 and the electric whirlpool
It flows detection unit to be connected, when the transverse shifting driving device 401 drives the transverse shifting lead screw 404 to move in the horizontal direction
When, the eddy current detection unit, the detection unit of taking pictures will be driven whole left on the transverse shifting guide rail 403 simultaneously
It moves right；The transverse shifting driving device 401 is cylinder.
The transverse shifting drag chain 402 is hingedly formed by multiple mutually isostructural single-unit components, and the transverse shifting drags
Tracheae and route are wrapped in chain 402, tracheae and route are connected with the cylinder of driving, when the transverse moving mechanism is mobile,
Route and cylinder move integrally, and at the same time driving the transverse shifting drag chain 402 mobile, the transverse shifting drag chain 402 is protected
It has protected the abrasion of tracheae and has played the role of guide and limit.
The detection device includes longitudinal moving mechanism, and the eddy current detection unit is mounted on the longitudinal moving mechanism
On.
The longitudinal moving mechanism includes vertical movable driving equipment 501, longitudinal movement drag chain 506, longitudinal movement rail
503, lead screw 504, the first mounting plate 505, the vertical movable driving equipment 501, the longitudinal movement drag chain are vertically moved
506, the longitudinal movement rail 503, the longitudinal movement lead screw 504 are mounted on first mounting plate 505, and described first
Mounting plate 505 is mounted on second connecting plate 52, the vertical movable driving equipment 501 and the longitudinal movement lead screw
504, the longitudinal movement drag chain 506 is connected, when the vertical movable driving equipment 501 drives the longitudinal leadscrew 504 along vertical
Histogram will drive the eddy current detection unit to move up and down on the longitudinal movement rail 503, the longitudinal direction to when movement
Mobile drive deivce 501 is cylinder.
The longitudinal movement drag chain 506 is hingedly formed by multiple mutually isostructural single-unit components, and the longitudinal movement is dragged
Tracheae and route are wrapped in chain 506, tracheae and route are connected with the cylinder of driving, when the longitudinal moving mechanism is mobile,
Route and cylinder are to move integrally, and at the same time driving the movement of longitudinal movement drag chain 506, the longitudinal movement drag chain 506
It protects the abrasion of tracheae and plays the role of guide and limit.
The detection device further includes aeration cleaning mechanism, and the aeration cleaning mechanism includes air blowing driving device 4, guiding dress
It sets, blowning installation, the guiding device is connected with the air blowing driving device 4, the blowning installation respectively, the air blowing driving
Device 4 drives the guiding device to drive the blowning installation to 71 surface aeration cleaning of engine cylinder body；The blowning installation
Including cover 3, first jet 13, second nozzle 14, third connecting plate 2, link block 17, steel pipe 15, divide air parcel 8, the first gas source
Connector 6, the second gas source connector 9, the first plug 7, the second plug 10, it is described that air parcel 8 is divided to be mounted on outside the cover 3, it is described
Point air parcel 8 respectively with first gas source connector 6, second gas source connector 9 and first plug 7, second plug
10 are connected, and the steel pipe 15, the third connecting plate 2, the link block 17 are located inside the cover 3, the steel pipe 15
One end is connected with the guiding device, and 15 other end of steel pipe is equipped with the second nozzle 14, under the third connecting plate 2
Side is equipped with the link block 17, and the first jet 13 is mounted on the link block 17；The guiding device includes installation
Plate 1, two guiding axis 16, bearing 11, guide rod 18, air supported head 5, described 18 one end of guide rod and the air blowing driving device 4
It is connected, 18 other end of guide rod is connected by the steel pipe 15 with the nozzle 14, and 18 other end of the guide rod is logical
It crosses the floating head 5 and the third connecting plate 2 is connected with described two guiding axis 16, cover 3 respectively, described two guiding axis 16
The two sides of the guide rod 18 are mounted on, described two 16 one end of guiding axis are connect by the bearing 11 with the mounting plate 1
Guiding, described two 16 other ends of guiding axis are connected with the third connecting plate 2, and the third connecting plate 2 is mounted on the cover
Sub 3 inner tip positions, described two guiding axis 16 drive about 3 cover under the action of air blowing driving device 4
Mobile, when the cover 3 moves on to lower end, gas source signal is connected, and the first jet 13, the second nozzle 14 pass through air blowing
Part measured surface is cleaned, the air blowing driving device 4 retracts after a certain period of time, while the air blowing driving device 4
It drives the cover 3 and the first jet 13, the second nozzle 14 to move upwardly away from part, and stops blowing.
16 upper and lower ends of guiding axis are limited equipped with bolster 12, and the air supported head on the guide rod can also limit slow
Punching.
The current vortex driving device 22 includes servo drive motor and reduction gearbox；The moving slide board driving device 302
For small cylinder；The air blowing driving device be cylinder, the cylinder be mounted on the mounting plate 1 and with 18 phase of guide rod
Even, the column 502 is equipped with upright column sliding platform 503, and the mounting plate 1 is mounted on the upright column sliding platform 503, the mounting plate
1 be bolted with the upright column sliding platform 503 it is fixed, below the cover 3 be equipped with dust-containing disc 81；The current vortex sense
Should pop one's head in 21 include current vortex induction coil 210, eddy current probe guiding 211, the current vortex induction coil 210, the electricity
Eddy current probe guiding 211 is mounted on the main shaft 206, and the eddy current probe guiding 211 is mounted on the current vortex induction
210 top of coil.
The detection unit includes position-limit mechanism, and the position-limit mechanism can guarantee eddy current detection unit, the detection of taking pictures
The moving range of unit, the cleaning mechanism, the position-limit mechanism quantity be it is multiple, the position-limit mechanism includes block 104, institute
Block 104 is stated equipped with the second buffer stopper；The detection device includes fixed code reader 101, lifting mechanism 100, opposite type sensor
102, sensors in place 103, the fixed code reader 101 are barcode scanning gun, and the barcode scanning gun is by reading engine cylinder body 71 2
Dimension code information is bound, and the lifting mechanism is used to the engine cylinder body 71 being raised up to certain position, so as to the electricity
EDDY CURRENT unit, the photographing unit detect engine cylinder body 71；The effect of the opposite type sensor 102 is to roller
To region is penetrated, whether there is or not parts to identify in road 91, protects to the condition that system carries out dependent instruction and carries out partial act；In place
The main function of sensor 103 is the stroke limit of moving direction and rear signal is fed back in place.
The detection device includes pin 120, and the guide rail is mounted on the crossbeam by the pin 120；It is described to lead
Rail includes transverse shifting guide rail, longitudinal movement rail；The detection device includes bracket 110, and the eddy current detection unit is taken pictures
Detection unit etc. is connected by the bracket 110；The detection device includes support base 130, position switch 140, the support base
130 be the matrix of the transverse moving mechanism mobile guide, plays the role of guiding and promotes intensity；The position switch 140
It is the restraining position that the transverse moving mechanism is moved to left and right range, is opened when the transverse moving mechanism is moved to the position
When closing 140, system issues restricting the number and stops movement.
When production run, cylinder body part enters equipment aeration cleaning station by roller-way 91, flows into detection after aeration cleaning
Station, workpiece by jacking are raised up to certain position after in place, and barcode scanning gun barcode scanning reads two-dimensional barcode information and bound, and then two groups
Industrial camera 31 first starts detection of taking pictures to cylinder deck, compares by visual imaging, if detection picture processing after with standard
Imaging difference exceeds established standards, then equipment alarm, equipment computer display defect position and photo；Current vortex after vision-based detection is complete
Inductive probe 21 rotates into cylinder body cylinder holes that cylinder holes starts eddy current detection one by one, when eddy current detection signal is beyond alarm model
Then equipment alarm, and process computer display cylinder holes alarm size and relative alarm information when enclosing；Workpiece is fallen after eddy current detection is complete
On seat to roller-way 91, equipment is flowed out；If equipment detection is qualified, part if, is flowed directly out to offline station, if detection does not conform to
Lattice, then by picking material roller-way discharge, which can successfully replace Manual Visual Inspection mode, i.e., can will be under cylinder body line using this detection device
Cylinder deck and cylinder holes defects detection content in line station employee's visual inspection content are cancelled, and are changed to use this detection device；The inspection
Measurement equipment can effectively improve human engineering pressure, avoid manual inspection unstability that defect is caused to be escaped to the burning of client's generation
The durability quality problems after sale such as room leakage, cylinder holes burn oil.
Eddy current detection principle explanation: equipment passes through detection coil with the alternating current of a certain frequency, when tested test specimen connects
Near line circle, geometric dimension, conductivity and the magnetic permeability of test specimen and the metallurgy of test specimen and mechanical defect will cause detection coil
Impedance variations, the electric signal that the variation that detecting instrument will test coil impedance generates drive alarm or aobvious after amplification and conversion
Showing device finally detects defective sample.
Detection device for engine cylinder body top surface and cylinder holes defect of the invention, equipment mainly include outer protect (not
Draw), overall base 51, be connected and fixed by bolt and ground, part is transmitted by roller-way 91, part on roller-way 91 according to
Secondary to pass through aeration cleaning station, detection station, detection station includes that camera takes pictures and detects top surface and eddy current detection cylinder holes function,
Part outflow after having detected.
After cylinder body part reaches detection station, stop by gear, lifting mechanism 100 is driven by the cylinder, and workpiece is raised up to
Certain altitude, eddy current detection unit and detection unit of taking pictures are moved horizontally to camera picture-taking position, start camera and take pictures detection,
It since piece surface area is big, is respectively taken pictures 4 times using two groups of industrial cameras, guarantees that part top surface all areas are photographed detection,
By Fig. 2 view face equipment angle, detection unit of taking pictures can be moved horizontally together with eddy current detection unit, be taken pictures simultaneously
Detection unit can be individually moved forward and backward, to complete to take pictures 4 times to act；After the completion of camera takes pictures detection, eddy current detection list
Member and detection unit level of taking pictures are moved integrally to eddy current detection position, this position, that is, eddy current probe center and cylinder body first
The position that a cylinder holes center is overlapped, detection unit of taking pictures position is motionless, and then eddy current detection unit is individually in motor, Zong Xiangyi
Under the driving for moving lead screw 504, longitudinal movement rail 503, it is rotated down into progress current vortex Scanning Detction in cylinder body cylinder holes, the
After one cylinder holes Scanning Detction is complete, eddy current detection unit is back to horizontal initial reference position upwards, then eddy current detection list
Member integrally moves to second cylinder holes position of eddy current detection, i.e. eddy current probe and second cylinder holes center with detection unit of taking pictures
The position of coincidence, and so on, current vortex is sequentially completed the Scanning Detction of cylinder body third cylinder holes or the 4th cylinder holes, scanning inspection
It surveys and completes to flow out equipment after rear-bank rotor housing is taken a seat to roller-way 91.
Two axis of equipment is using professional servo and Serve Motor Control, and system is also matched with detection positioning system, intelligence
It is adapted dynamically because of the relative position variation caused by being detected part position and dimensional discrepancy, i.e., when detection positioning system detection
It changes to the position of detected product, this system will carry out current vortex inductive probe micro- according to measured numerical value
It adjusts, current vortex inductive probe is made to be in cylinder holes center always；The device structure is simple, occupies little space, and carries cleaning function, work
Skill is laid out under enabled condition, on the mountable roller-way 91 after the good any station of surface quality of workpieces.
The beneficial effects of the present invention are: the integrated optical photographing imaging technique suitable for cylinder deck of 1. detection devices with
Suitable for the current vortex Detection Techniques of cylinder holes, realization do not contact cylinder body can automatic rapid survey, measuring speed is fast, it is high-efficient,
Precision is high, stability is high；2. the detection device is by surrounding environment influence minimum (temperature, humidity, noise etc.), it can be achieved that producing
Online 100% detection function on line traces 100% barcode scanning of part traceability code, while can form examining report and to detection
As a result data statistics is carried out；3. the detection device, which is suitable for eddy current probe and detected product surface distance, can reach
1mm can be substantially reduced to mechanical and servo-system required precision, while rotating detector system has revolving speed high, runs smoothly, and believes
The characteristics of number transmission is reliable, and zero dimension is protected；4. the equipment is automatically transported by mechanical executive component, sensor routines judgement control equipment
Row, operational process are not affected by human factors, and solving the escape of defect caused by Manual Visual Inspection poor reliability quality problems 5., this sets
Standby gauge head can realize that the narrow cylinder holes space of engine cylinder body 71 sweep without dead angle current vortex by mobile and rotation
Detection is retouched, compatibility is high, and the rapid survey gone into operation for the multi-model switching in production with new architecture offers convenience；6. the equipment exists
Line 100% detects the defects of cylinder deck and cylinder holes dimple, tool marks, scratch, can be to cylinder deck and cylinder holes surface quality
Play 100% directive function；7. the equipment major mechanical part is all made of international standard model, interchangeability is high, easy to maintenance；8. should
Device structure is simple, and disposable input cost is lower, and the man-machine engineering pressure such as employee's visual fatigue, source stimulating is effectively reduced.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (10)
1. a kind of detection device for engine cylinder body top surface and cylinder holes defect, it is characterised in that: including eddy current detection list
Member, the eddy current detection unit include current vortex inductive probe (21), current vortex driving device (22), current vortex driver
Structure, the current vortex transmission mechanism are connected with the current vortex driving device (22), current vortex inductive probe (21) installation
On the current vortex transmission mechanism, the current vortex driving device (22) by drive current vortex transmission mechanism movement from
And the current vortex inductive probe (21) is driven to carry out rotary scanning detection.
2. detection device according to claim 1, it is characterised in that: the current vortex transmission mechanism include slip ring (201),
First synchronous pulley (202), the second synchronous pulley (203), synchronous belt (204), bearing block (205), main shaft (206), installation connect
Fishplate bar (207), the slip ring (201), the current vortex driving device (22) are mounted on the installation connecting plate (207), institute
It states the first synchronous pulley (202) to be mounted on the slip ring (201), second synchronous pulley (203) is mounted on the electric whirlpool
It flows on driving device (22), first synchronous pulley (202) and second synchronous pulley (203) pass through the synchronous belt
(204) it is connected, the main shaft (206) is mounted on the installation below the slip ring (201) by the bearing block (205) and connects
On fishplate bar (207), the current vortex inductive probe (21) is mounted on the main shaft (206), the current vortex driving device
(22) second synchronous pulley (203) is driven to be rotated, second synchronous pulley (203) drives described the by rotation
One synchronous pulley (202) carries out rotation to drive current vortex inductive probe (21) rotary scanning to detect.
3. detection device according to claim 2, it is characterised in that: the detection device includes detection unit of taking pictures, described
Detection unit of taking pictures includes industrial camera (31), sliding equipment, the first connecting plate (32), and the industrial camera (31) passes through described
First connecting plate (32) is connected with the sliding equipment；The sliding equipment includes moving slide board (301), moving slide board driving dress
(302), connecting guide plate (303) are set, the moving slide board (301) is connected with first connecting plate (32), the industry phase
Machine (31) is sliding by first connecting plate (32) and the movement under the driving of the moving slide board driving device (302)
Plate (301) can be slided individually on the connecting guide plate (303).
4. detection device according to claim 3, it is characterised in that: the detection device includes transverse moving mechanism, described
Take pictures detection unit, the eddy current detection unit is mounted on the transverse moving mechanism.
5. detection device according to claim 4, it is characterised in that: the transverse moving mechanism includes transverse shifting driving
Device (401), transverse shifting drag chain (402), transverse shifting guide rail (403), transverse shifting lead screw (404), the detection device packet
Overall base (51), the second connecting plate (52), mounting bracket (53) are included, the overall base includes crossbeam (501), column
(502), the crossbeam (501) is mounted on the column (502), and the transverse shifting driving device (401), transverse shifting drag
Chain (402), the transverse shifting guide rail (403), the transverse shifting lead screw (404) are mounted on the crossbeam (501), described
Transverse shifting driving device (401) is connected with the transverse shifting lead screw (404), the transverse shifting drag chain (402), the electricity
EDDY CURRENT unit is connected by the second connecting plate (52) with the transverse shifting guide rail (403), and the detection unit of taking pictures is logical
It crosses the mounting bracket (53) to be connected with the eddy current detection unit, when the transverse shifting driving device (401) drives institute
When stating transverse shifting lead screw (404) and moving in the horizontal direction, the eddy current detection unit, the detection unit of taking pictures will be driven
It is whole to be moved left and right on the transverse shifting guide rail (403) simultaneously；The transverse shifting driving device (401) is cylinder.
6. detection device according to claim 1, it is characterised in that: the detection device includes longitudinal moving mechanism, described
Eddy current detection unit is mounted on the longitudinal moving mechanism.
7. detection device according to claim 6, it is characterised in that: the longitudinal moving mechanism includes longitudinal movement driving
Device (501), longitudinal movement drag chain (506), longitudinal movement rail (503), longitudinal movement lead screw (504), the first mounting plate
(505), the vertical movable driving equipment (501), the longitudinal movement drag chain (506), the longitudinal movement rail (503),
The longitudinal movement lead screw (504) is mounted on first mounting plate (505), and first mounting plate (505) is mounted on institute
It states on the second connecting plate (52), the vertical movable driving equipment (501) and the longitudinal movement lead screw (504), the longitudinal direction
Moving drag chain (506) is connected, when the vertical movable driving equipment (501) drive the longitudinal movement lead screw (504) along vertical
When direction is mobile, the eddy current detection unit will be driven to move up and down on the longitudinal movement rail (503)；The longitudinal direction
Mobile drive deivce (501) is cylinder.
8. detection device according to claim 3, it is characterised in that: the detection device further includes aeration cleaning mechanism, institute
Stating aeration cleaning mechanism includes air blowing driving device (4), guiding device, blowning installation, and the guiding device is blown with described respectively
Air driving device (4), the blowning installation are connected, and the air blowing driving device (4) drives blows described in the guiding device drive
Device of air is to engine cylinder body (71) surface aeration cleaning；The blowning installation includes cover (3), first jet (13), second
Nozzle (14), link block (17), steel pipe (15), divides air parcel (8), the first gas source connector (6), the second gas source at third connecting plate (2)
Connector (9), the first plug (7), the second plug (10), it is described that air parcel (8) is divided to be mounted on the cover (3) outside, it is described to divide gas
Block (8) respectively with first gas source connector (6), second gas source connector (9) and first plug (7), described second
Plug (10) is connected, and the steel pipe (15), the third connecting plate (2), the link block (17) are located in the cover (3)
Portion, described steel pipe (15) one end are connected with the guiding device, and steel pipe (15) other end is equipped with the second nozzle
(14), it is equipped with the link block (17) below the third connecting plate (2), the first jet (13) is mounted on the connection
On block (17)；The guiding device includes mounting plate (1), two guiding axis (16), bearing (11), guide rod (18), air supported head
(5), described guide rod (18) one end is connected with the air blowing driving device (19), and guide rod (18) other end passes through described
Steel pipe (15) is connected with the nozzle (14), and the guide rod (18) other end is connected by the floating head (5) and the third
Fishplate bar (2) is connected with described two guiding axis (16), cover (3) respectively, and described two guiding axis (16) are mounted on the guiding
The two sides of bar (18), described two guiding axis (16) one end connect guiding, institute with the mounting plate (1) by the bearing (11)
It states two guiding axis (16) other ends to be connected with the third connecting plate (2), the third connecting plate (2) is mounted on the cover
(3) inner tip position, described two guiding axis (16) drive the cover under the action of air blowing driving device (4)
(3) it moves up and down, when the cover (3) moves on to lower end, gas source signal is connected, the first jet (13), second spray
Mouth (14) cleans part measured surface by blowing, and the air blowing driving device (4) retracts after a certain period of time, while institute
Stating air blowing driving device (4) drives the cover (3) and the first jet (13), the second nozzle (14) to move up far
From part, and stop blowing.
9. detection device according to claim 8, it is characterised in that: the current vortex driving device (22) includes that servo is driven
Dynamic motor and reduction gearbox；The moving slide board driving device (302) is small cylinder；The air blowing driving device is cylinder (4), institute
It states cylinder (4) to be mounted on the mounting plate (1) and be connected with the guide rod (18), the column (502) is equipped with column
Slide unit (503), the mounting plate (1) are mounted on the upright column sliding platform (503), and dust-containing disc is equipped with below the cover (3)
(81)；The current vortex inductive probe (21) includes current vortex induction coil (210), eddy current probe guiding (211), the electricity
Vortex induction coil (210), eddy current probe guiding (211) are mounted on the main shaft (206), the eddy current probe
Guiding (211) is mounted on above the current vortex induction coil (210).
10. detection device described in -9 according to claim 1, it is characterised in that: the detection unit includes position-limit mechanism, described
Position-limit mechanism can guarantee the moving range of eddy current detection unit, the detection unit of taking pictures, and the position-limit mechanism quantity is more
It is a；The detection device includes fixed code reader (101), lifting mechanism (100), opposite type sensor (102), sensors in place
(103), the fixed code reader is barcode scanning gun, and the barcode scanning gun is tied up by reading engine cylinder body (71) two-dimensional barcode information
Fixed, the lifting mechanism is used to the engine cylinder body (71) being raised up to certain position, so as to the eddy current detection unit,
The photographing unit detects engine cylinder body (71).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910221090.XA CN109900708A (en) | 2019-03-22 | 2019-03-22 | A kind of detection device for engine cylinder body top surface and cylinder holes defect |
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|---|---|---|---|
| CN201910221090.XA CN109900708A (en) | 2019-03-22 | 2019-03-22 | A kind of detection device for engine cylinder body top surface and cylinder holes defect |
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| CN109900708A true CN109900708A (en) | 2019-06-18 |
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| CN201910221090.XA Pending CN109900708A (en) | 2019-03-22 | 2019-03-22 | A kind of detection device for engine cylinder body top surface and cylinder holes defect |
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| CN110346379A (en) * | 2019-08-22 | 2019-10-18 | 合肥工业大学 | A kind of bearing defect failure detector and bearing defect method of detection |
| CN110632081A (en) * | 2019-09-12 | 2019-12-31 | 浙江汉振智能技术有限公司 | Bearing appearance detection equipment based on 2D and 3D vision |
| CN112949340A (en) * | 2021-03-31 | 2021-06-11 | 上汽通用五菱汽车股份有限公司 | Automatic code scanning method and system based on photoelectric sensor |
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| CN113267452A (en) * | 2021-06-11 | 2021-08-17 | 菲特（天津）检测技术有限公司 | Engine cylinder surface defect detection method and system based on machine vision |
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