CN116106316A - Stainless steel part surface defect detection device - Google Patents
Stainless steel part surface defect detection device Download PDFInfo
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- CN116106316A CN116106316A CN202310075637.6A CN202310075637A CN116106316A CN 116106316 A CN116106316 A CN 116106316A CN 202310075637 A CN202310075637 A CN 202310075637A CN 116106316 A CN116106316 A CN 116106316A
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- 238000001514 detection method Methods 0.000 title claims abstract description 78
- 230000007547 defect Effects 0.000 title claims abstract description 28
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- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8806—Specially adapted optical and illumination features
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8806—Specially adapted optical and illumination features
- G01N2021/8835—Adjustable illumination, e.g. software adjustable screen
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Abstract
The invention belongs to the field of stainless steel part detection, in particular to a stainless steel part surface defect detection device, which comprises a detection box, wherein a detection groove is formed in the top surface of the detection box, a control box is fixedly connected to the top surface of the detection groove, a driving seat is fixedly connected to the bottom end of the control box, a camera module is fixedly connected to the middle part of the bottom end of the driving seat, an illumination assembly is arranged near the edge of the bottom end of the driving seat, if scratches exist on the surface of a part, the surface can generate black shadows under the irradiation of oblique side light, when no scratches exist, the surface of a flat part normally reflects, no shadows exist, an image signal received by the camera module can be transmitted to a control board, when the black shadows exist in a picture, the control board can transmit information outwards, report defective parts, and enable the defective parts to be classified later, through the arrangement, whether the scratches exist on the surface of the flat part can be rapidly detected, the whole-course mechanical detection is unnecessary, and manual operation is omitted.
Description
Technical Field
The invention belongs to the field of stainless steel part detection, and particularly relates to a stainless steel part surface defect detection device.
Background
Any precise instrument is composed of a plurality of parts, and most of the materials used for ensuring the quality of the parts are stainless steel, wherein the stainless steel takes stainless and corrosion resistance as main characteristics, and the steel contains at least 10.5 percent of chromium and the maximum carbon content is not more than 1.2 percent.
In the production process of the parts, defective products are inevitably generated, the defective products in the parts are selected to be discarded or repaired in order to ensure the quality of the assembled device, and in order to improve the detection speed, the defective products are required to be detected by matching with professional equipment.
Parts of precise instruments need to be overhauled and detected before leaving factories, the defects that the parts are rubbed and collided with the instruments and scratches are generated on the surfaces in the production of the parts are the defects that the whole strength of the parts is reduced by one grade due to the fact that the parts with obvious scratches on the surfaces cannot be used in precise instruments, special-shaped parts can only be carefully detected by being matched with manpower due to the fact that the special-shaped parts are complex in structure, and parts such as gaskets or sealing plates with flat surfaces are widely used in the device, the quantity is huge, the efficiency is general due to the fact that manual detection is used, and human resources are wasted.
Therefore, the invention provides a stainless steel part surface defect detection device.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a stainless steel part surface defect detection device, which comprises a detection box, wherein a detection groove is formed in the top surface of the detection box, a control box is fixedly connected to the top surface of the detection groove, a driving seat is fixedly connected to the bottom end of the control box, a camera module is fixedly connected to the middle part of the bottom end of the driving seat, an illumination component is arranged near the edge of the bottom end of the driving seat and is used for emitting white light obliquely downwards, a control board is fixedly connected to one end of the control box, during working, parts of a precise instrument need to be overhauled and detected before delivery, the defects which are most easily generated in part production are friction collision between the parts and the instrument, scratches are generated on the surfaces, the appearance is not only affected, but also the integral strength of the parts is reduced by one grade, the parts with obvious scratches on the surfaces cannot be used in the precise instrument, and the special-shaped parts have complicated structures, the detection can only be carried out carefully by matching with manpower, parts such as gaskets or sealing plates with smooth surfaces can be detected widely in the device, the quantity is huge, manual detection is used, efficiency is general, manpower resources are wasted, through the arrangement of the camera module and the illumination assembly, a conveyor belt for conveying the parts passes through a detection groove, the parts which are smooth are orderly and equidistantly arranged on the conveyor belt, each part is stopped at the bottom end of the camera module to be detected through the staged transmission of the conveyor belt, at the moment, the illumination assembly irradiates the surfaces of the parts from the obliquely upper direction, if scratches exist on the surfaces of the parts, under the irradiation of oblique side light, the surfaces of the parts can generate black shadows, when no scratches exist, the surfaces of the parts which are smooth normally reflect light, no shadows exist, an image signal received by the camera module can be transmitted to the control plate, and when the black shadows appear in pictures are detected, the control panel can outwards transmit information, reports defective parts, lets the conveyer belt carry out the classification to defective parts later stage, and whether there is the mar on the part surface that can detect out fast through this kind of setting, whole mechanical detection need not manual operation.
Preferably, the annular draw-in groove has been seted up to the bottom of drive seat towards the edge, the inboard sliding connection of draw-in groove has annular balance disc, the top of lighting assembly and the bottom fixed connection of balance disc, the inboard of drive seat is provided with electronic dish, electronic dish and the movable laminating of the inner circle of balance disc, during operation, the scratch form of part is in a thousand of states, the single-point release shines light, the light that jets out is parallel with the scratch easily, lead to detecting sensitivity reduction, through the setting of balance disc and electronic dish, electronic dish drive drives the balance disc and rotates, let lighting assembly can follow annular balance disc circumference rotation, thereby can rotate round around the top of part, through this kind of setting, can all form the chamfer with the light with letting the omnidirectional shine part surface, guarantee that the scratch of various forms can all with light, thereby shine out the shadow, sensitivity and the accuracy of detection are improved.
Preferably, the length of control box is longer than the length of detection case, the equal fixed mounting in both ends of control box has the increase board, the inboard of increase board is provided with lifting unit, lifting unit's drive end rigid coupling has black shielding curtain, shielding curtain's width is greater than the width of detection groove, during operation, and the outside light of shielding curtain of black can separation, and the shielding curtain of broad size can effectually seal the detection groove around, reduce the influence of outside light to the detection, and lifting unit can be before the part gets into and go out, will shield curtain rise, just so can make thick the shielding curtain heavy, guarantee can the isolated outside light, can not influence the normal business turn over of part simultaneously.
Preferably, the lighting assembly comprises a lighting lamp and a telescopic cylinder, the top and the balance disc rigid coupling of telescopic cylinder, the lighting lamp is located one side of telescopic cylinder, the top rigid coupling of telescopic cylinder has the directional cover, the inboard of directional cover is hollow setting, runs through one side rotation of directional cover is connected with the bull stick, the lighting lamp rigid coupling is in the bull stick outside, be equipped with lifting assembly in the directional cover, lifting assembly is used for driving telescopic cylinder and slides from top to bottom, drives the bull stick simultaneously and rotates, and during operation, shines the part through the lighting lamp, has realized the change of incident angle through rotatory lighting lamp, but the incident height does not change, and when the mar is lighter, higher incident light just has not just observed the projection, drives telescopic cylinder and slides from top to bottom through lifting assembly, drives the bull stick simultaneously and slides from top to bottom and can change the height of lighting lamp to change the angle of incident light and part, but the change of height lets incident light not make the part through the rotation of bull stick, can let the lighting lamp always face the part, thereby guarantee that the incident angle changes still and guarantee that the light shines always the part.
Preferably, the lifting assembly comprises a spring, the telescopic cylinder includes two mutual sliding connection's sleeve, two sleeves respectively with balance plate and directional cover fixed connection, the outside winding rigid coupling of bull stick has a connecting rope one, connecting rope one passes telescopic cylinder and balance plate fixed connection, the bottom rigid coupling of drive seat has a plurality of turning pieces, the turning piece is the bulge form setting, with the sleeve outside rigid coupling of directional cover rigid coupling has the transfer line, the transfer line is the setting of buckling form, the top of transfer line aligns with the turning piece, the rigid coupling has the torsional spring between bull stick and the directional cover, and during operation, when the balance plate rotates, the transfer line can be circular motion under telescopic drive, and the top of transfer line can extrude with a plurality of turning pieces, and during the extrusion takes place, the transfer line can be extrudeed down to let telescopic cylinder extension, with continuing to rotate, when keeping away from the turning piece, the telescopic cylinder can return to the position under the pulling of spring, and then realized the function of shining the high degree change of lamp, simultaneously when telescopic cylinder extension, the connecting rope is elongated, and when stretching a while can be stretching, the directional change, and the rotation can keep the rotation just not rotate the rotation, the rotation of the rotary rod is realized through the rotation, the diameter is not only corresponding to the high-accuracy and the rotation, the precision is not required to change, the diameter is realized, the high-accuracy is not only can be reached, but also is reduced, and the precision is required to rotate, the precision is realized, and is not has the device has the high to rotate.
Preferably, the cross-section of balance plate is the I shape, the circular slot has been seted up to the top surface of balance plate, rotate in the circular slot and be connected with the slide ball, during operation, the structure setting of cooperation balance plate makes it can be stable block on the bottom surface of drive seat, and the setting of slide ball can reduce the resistance that the friction produced.
Preferably, a plurality of steering blocks are equidistance annular arrangement, the outward appearance of steering block is the arc setting, the top fixedly connected with kicking ball of transfer line, during operation, the arc setting of cooperation steering block and the setting of kicking ball let transfer line and steering block when the contact, can realize slick and sly extrusion driven effect, and simultaneously when the transfer line kept away from, the transfer line also can slowly rise, has guaranteed the steady lift effect of telescopic cylinder, lets the light that the shot of irradiation lamp can be stable not shake.
Preferably, the telescopic cylinder is fixedly connected with the outside of the sleeve fixedly connected with the balance disc, the battery bin is connected with the irradiation lamp in an electrified manner, the inner wall of the detection groove is fixedly connected with the induction charging module, and when the detection device is operated, after the balance disc rotates for one circle, the part is conveyed away, the telescopic cylinder is in a static state and is just close to the side wall of the detection groove, and the battery bin is aligned with the induction charging module, so that the induction charging effect can be realized, the effect of continuously supplying power to the irradiation lamp is ensured, and the continuous detection function is realized.
Preferably, the bottom of control box leans on the middle part rigid coupling to have the fan, the output of fan is vertical down, the bottom rigid coupling of balance plate has the balancing weight, the balancing weight is the symmetry setting with lighting assembly, and during operation, after the part removes to stopping, starts the fan and bloies downwards, can get rid of foreign matter such as the fibre of carrying on part surface, reduces the influence to the testing result, and bloies and can also clear up camera module's surface, further improves the detection effect.
Preferably, the outside winding rigid coupling of bull stick has two sets of connecting rope two, and two connecting ropes are two and are the symmetry center symmetry with connecting rope one, and the rigid coupling has the sagging piece between the bottom of connecting rope two, sagging piece and directional sleeve sliding connection, during operation, the torsional spring is to the reset function of bull stick after long-term use, easily lead to reset the problem such as inaccurate, elasticity potential energy reduces, through the setting of sagging piece, when the telescopic cylinder is prolonged, the bull stick is rotatory, two connecting ropes are tightened up by the rotation at this moment, the sagging piece is pulled to rise at this moment, when the transfer line is kept away from the steering block, the telescopic cylinder is retracted, connecting rope one pulling force disappears, at this moment sagging piece downwardly moving under the action of gravity, can drive the bull stick and rotate the homing, this kind of setting, compare in pure torsional spring drive, life-span that can use is longer, and need not worry about the problem that elasticity potential energy is lost.
The beneficial effects of the invention are as follows:
1. according to the stainless steel part surface defect detection device, the camera module and the lighting assembly are arranged, the conveyor belt for conveying the parts passes through the detection groove, flat parts are orderly and equidistantly arranged on the conveyor belt, each part is stopped at the bottom end of the camera module to be detected through staged conveying of the conveyor belt, the lighting assembly irradiates the part surface downwards from the oblique direction, if scratches exist on the part surface, black shadows are generated on the surface under the irradiation of oblique side light, when no scratches exist, the flat part surface normally reflects light, no shadows exist, an image signal received by the camera module is transmitted to the control board, when the black shadows exist in a picture, the control board can transmit information outwards to report the defective parts, the conveyor belt can sort the defective parts in the later stage, whether the scratches exist on the flat part surface or not can be detected quickly through the arrangement, and the whole mechanical detection is not needed.
2. According to the stainless steel part surface defect detection device, the balance disc is driven to rotate by the electric disc through the arrangement of the balance disc and the electric disc, so that the lighting assembly can rotate along the circumference of the annular balance disc, and can rotate round the upper part of the part.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is a perspective view of the control box of the present invention;
FIG. 4 is a perspective view of a drive socket according to the present invention;
FIG. 5 is a cross-sectional view of a drive socket of the present invention;
FIG. 6 is a perspective view of a lighting assembly of the present invention;
FIG. 7 is a perspective view of the telescoping cylinder and the orienting sleeve of the present invention;
FIG. 8 is a perspective view of a telescoping cylinder and a rotating rod in the present invention
FIG. 9 is a perspective view of a rotating bar and a droop block of the present invention;
in the figure: 1. a detection box; 2. a control box; 3. a curtain; 4. a detection groove; 5. a lighting assembly; 6. a driving seat; 7. a camera module; 8. balancing weight; 9. a control board; 10. a balancing disk; 11. a steering block; 12. a blower; 13. a sliding ball; 14. an electric disk; 15. a radiation lamp; 16. a transmission rod; 17. a directional sleeve; 18. a drooping block; 19. a rotating rod; 20. pushing a ball; 21. a battery compartment; 22. a telescopic cylinder; 23. a spring; 24. a first connecting rope; 25. and a second connecting rope.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Example 1
As shown in fig. 1 to 4, the device for detecting surface defects of stainless steel parts according to the embodiments of the present invention comprises a detection box 1, a detection groove 4 is formed on the top surface of the detection box 1, a control box 2 is fixedly connected to the top surface of the detection groove 4, a driving seat 6 is fixedly connected to the bottom end of the control box 2, a camera module 7 is fixedly connected to the middle part of the bottom end of the driving seat 6, an illumination assembly 5 is provided near the edge of the bottom end of the driving seat 6, the illumination assembly 5 is used for emitting white light obliquely downward, a control board 9 is fixedly connected to one end of the control box 2, during working, the parts of the precision apparatus need to be overhauled and detected before delivery, defects that are most likely to occur in part production are friction collision between the parts and the apparatus, scratches are generated on the surface, which not only affect the appearance, but also cause the overall strength of the parts to be reduced by one level, parts with obvious scratches on the surface cannot be used in a precise instrument, special-shaped parts can only be carefully detected by matching with manpower due to the complex structure of the special-shaped parts, parts such as gaskets or sealing plates with flat surfaces can be widely used in the device, the quantity of the parts is huge, the manual detection is not only efficient and human resources are wasted, the parts are conveyed by the arrangement of the camera module 7 and the illumination assembly 5, the conveyor belt for conveying the parts passes through the detection groove 4, the flat parts are orderly and equidistantly arranged on the conveyor belt, each part is stopped and detected at the bottom end of the camera module 7 by the staged conveying of the conveyor belt, at the moment, the illumination assembly 5 irradiates the surfaces of the parts from the obliquely upper direction, if scratches exist on the surfaces of the parts, black shadows are generated on the surfaces under the irradiation of oblique side lights, the surfaces of the flat parts normally reflect light without shadows when the scratches exist, the image signal that camera module 7 received can transmit for control panel 9, when appearing black shadow in the picture when detecting, and control panel 9 can outwards transmit information, reports defective part, lets the conveyer belt carry out the classification to defective part later stage, and whether there is the mar on the surface of can detecting fast out smooth part through this kind of setting, and whole mechanical detection need not manual operation.
As shown in fig. 2 to 5, an annular clamping groove is formed at the bottom end of the driving seat 6 near the edge, an annular balance disc 10 is slidably connected to the inner side of the clamping groove, the top end of the lighting component 5 is fixedly connected with the bottom end of the balance disc 10, an electric disc 14 is arranged at the inner side of the driving seat 6, the electric disc 14 is movably attached to the inner ring of the balance disc 10, when the device works, the scratch form of the part is in a thousand states, the single point releases irradiation light, the emitted light is easy to be parallel to the scratch, so that the detection sensitivity is reduced, the balance disc 10 is driven to rotate by the electric disc 14 through the arrangement of the balance disc 10 and the electric disc 14, the lighting component 5 can rotate around the upper part of the part for one time, the lighting component can comprehensively irradiate the surface of the part with the light through the arrangement, and the scratch in various forms a cut angle with the light, so that the shadow is irradiated, and the sensitivity and the accuracy of the detection are improved.
As shown in fig. 1 to 2, the length of control box 2 is longer than the length of detecting box 1, the equal fixed mounting in both ends of control box 2 has the increase board, the inboard of increase board is provided with lifting unit, lifting unit's drive end rigid coupling has black shielding curtain 3, shielding curtain 3's width is greater than the width of detecting groove 4, during operation, and the external light of shielding curtain 3 can be kept off, and the shielding curtain 3 of broadness can effectually seal detecting groove 4 around, reduce the influence of external light to the detection, and lifting unit can be before the part gets into and go out, rise shielding curtain 3, just so can make the thickness with shielding curtain 3 and make the weight, guarantee can not influence the normal business turn over of part simultaneously of external light.
As shown in fig. 5 to 8, the lighting assembly 5 includes the lighting lamp 15 and the telescopic tube 22, the top and the balance disc 10 rigid coupling of telescopic tube 22, the lighting lamp 15 is located one side of telescopic tube 22, the top rigid coupling of telescopic tube 22 has the uide bushing 17, the inboard of uide bushing 17 is hollow setting, runs through one side rotation of uide bushing 17 is connected with bull stick 19, the lighting lamp 15 rigid coupling is in the bull stick 19 outside, be equipped with lifting assembly in the uide bushing 17, lifting assembly is used for driving telescopic tube 22 and slides from top to bottom, drives bull stick 19 rotation simultaneously, and during operation, shines the part through lighting lamp 15, has realized the change of incident angle through rotatory lighting lamp 15, but the incident height does not change, and when the mar is shallower, higher incident light even if the irradiation also is not observed out the projection, drives telescopic tube 22 and slides from top to bottom, drives bull stick 19 simultaneously and slides from top to bottom and can change the height of lighting lamp 15 to change incident light and part, but the change the high change easily and let the part always shines through 19 and can guarantee that the incident angle is always to be changed through the part, and the part is only shined.
As shown in fig. 5 to 8, the lifting assembly comprises a spring 23, the telescopic cylinder 22 comprises two sleeves which are connected with each other in a sliding manner, the two sleeves are fixedly connected with the balance disc 10 and the directional sleeve 17 respectively, a connecting rope 24 is fixedly wound on the outer side of the rotary rod 19, the connecting rope 24 penetrates through the telescopic cylinder 22 and is fixedly connected with the balance disc 10, a plurality of steering blocks 11 are fixedly connected with the bottom end of the driving seat 6, the steering blocks 11 are arranged in a protruding manner, a transmission rod 16 is fixedly connected with the outer side of the sleeve fixedly connected with the directional sleeve 17, the transmission rod 16 is arranged in a bending manner, the top end of the transmission rod 16 is aligned with the steering blocks 11, a torsion spring is fixedly connected between the rotary rod 19 and the directional sleeve 17, when the balance disc 10 rotates, the transmission rod 16 moves circularly under the driving of the sleeve, the top of the transmission rod 16 is extruded with the plurality of steering blocks 11, when extrusion occurs, the transmission rod 16 is extruded to move downwards, so that the telescopic cylinder 22 stretches, along with continuous rotation, when the telescopic cylinder 22 is far away from the steering block 11, the telescopic cylinder 22 is reset under the pulling of the spring 23, the function of changing the height of the irradiation lamp 15 is realized, meanwhile, when the telescopic cylinder 22 stretches, the first connecting rope 24 is stretched, the rotating rod 19 is pulled to rotate anticlockwise when the telescopic cylinder stretches, the directional sleeve 17 is kept motionless, the rotating rod 19 rotates to enable the irradiation lamp 15 to rotate anticlockwise, the diameter of the rotating rod 19 is designed, the rotating angle just corresponds to the lifted height, the incident light always irradiates the bottommost end of the camera module 7, and the torsion spring is used for resetting the rotating rod 19, through the arrangement, the height and angle change of the irradiation lamp 15 are realized, the detection accuracy is further improved, other energy sources are not consumed at the same time, precise electrical appliance control is not needed, not only saves energy consumption, but also reduces the failure rate of the pure mechanical structure.
As shown in fig. 5, the cross section of the balancing disc 10 is i-shaped, the top surface of the balancing disc 10 is provided with a circular groove, a sliding ball 13 is rotatably connected in the circular groove, and when in operation, the sliding ball 13 is matched with the structural arrangement of the balancing disc 10, so that the sliding ball can be stably clamped on the bottom surface of the driving seat 6, and the resistance generated by friction can be reduced due to the arrangement of the sliding ball 13.
As shown in fig. 3 to 6, a plurality of steering blocks 11 are equidistantly and annularly arranged, the outer surface of each steering block 11 is in an arc-shaped arrangement, a top ball 20 is fixedly connected to the top end of each transmission rod 16, and the arc-shaped arrangement of each steering block 11 and the arrangement of the top ball 20 are matched during operation, so that the transmission rods 16 and the steering blocks 11 can realize smooth extrusion transmission effect when in contact, and meanwhile, when the transmission rods 16 are far away, the transmission rods 16 can slowly rise, the stable lifting effect of the telescopic cylinder 22 is guaranteed, and the light emitted by the irradiation lamps 15 can be stable without shaking.
As shown in fig. 6, the battery compartment 21 is fixedly connected to the outside of the sleeve fixedly connected to the balance disc 10 in the telescopic cylinder 22, the battery compartment 21 is electrically connected to the irradiation lamp 15, and the induction charging module is fixedly connected to the inner wall of the detection groove 4.
As shown in fig. 3 to 8, the bottom of the control box 2 is fixedly connected with a fan 12 near the middle, the output end of the fan 12 is vertically downward, the bottom of the balancing disk 10 is fixedly connected with a balancing weight 8, the balancing weight 8 and the lighting assembly 5 are symmetrically arranged, when the part moves to stop, the fan 12 is started to blow downwards, foreign matters such as fibers carried on the surface of the part can be removed, the influence on the detection result is reduced, the surface of the camera module 7 can be cleaned by blowing, and the detection effect is further improved.
Example two
As shown in fig. 6 to 9, a comparative example one in which another embodiment of the present invention is: the outside winding rigid coupling of bull stick 19 has two sets of connecting rope two 25, and two connecting ropes two 25 use connecting rope one 24 to be symmetrical center, and the rigid coupling has the sagging piece 18 between the bottom of two connecting ropes two 25, sagging piece 18 and directional cover 17 sliding connection, during operation, the reset function of torsional spring to bull stick 19 after long-term use leads to the problem such as accurate, elasticity potential energy reduction easily, through the setting of sagging piece 18, when the telescopic cylinder 22 is elongated, bull stick 19 is rotatory, two connecting ropes two 25 are rotated and tighten up at this moment, sagging piece 18 is pulled to rise at this moment, when the transfer line 16 is kept away from steering block 11, telescopic cylinder 22 is retracted, connecting rope one 24 pulling force disappears, and sagging piece 18 downwardly moving under the effect of gravity at this moment can drive bull stick 19 rotatory homing, this kind of setting, compared with simple torsional spring drive, can be longer than the life-span, and need not worry about the problem that elasticity potential energy lost.
During operation, parts of the precision instrument need to be overhauled and detected before leaving the factory, the defects which are most easily generated in the production of the parts are friction collision between the parts and the instrument, scratches are generated on the surfaces, the appearance is affected, the overall strength of the parts is reduced by one grade, parts with obvious scratches on the surfaces cannot be used in the precision instrument, special-shaped parts can only be carefully detected by matching with manpower due to the complex structure of the parts, parts with flat surfaces such as gaskets or sealing plates can be widely used in the device, the quantity of the parts is huge, manual detection is used, human resources are wasted, a conveying belt for conveying the parts passes through a detection groove 4 at first, the flat parts are orderly and equidistantly arranged on the conveying belt, the parts are intermittently conveyed through the conveying belt, the parts are stopped to be detected at the bottom end of the imaging module 7, at the moment, if the surfaces of the parts are scratched, black shadows are generated on the surfaces of the parts, the flat surfaces normally reflect light when the parts are not scratched, the shadows are not generated, the shadow is not generated, the imaging module 7 receives the images, the images are not required to be detected, and the defects are quickly transmitted to the control panel 9 when the images are detected, and the defects are quickly detected, and the defects are required to be quickly transmitted to the whole course, and the mechanical defects are detected; the scratch form of the part is in a state of a thousand degrees, the single point releases irradiation light, the emitted light is easy to be parallel to the scratch, so that the detection sensitivity is reduced, the balance disc 10 is driven to rotate by the arrangement of the balance disc 10 and the electric disc 14, the lighting assembly 5 can rotate along the circumference of the annular balance disc 10 so as to rotate round the upper part of the part, through the arrangement, the surface of the part can be irradiated with the light in all directions, the scratches in various forms can form cutting angles with the light, the shadow is irradiated, and the sensitivity and the accuracy of detection are improved; the black shielding curtain 3 can block external light, the wide shielding curtain 3 can effectively seal the front and rear detection grooves 4, the influence of external light on detection is reduced, the lifting assembly can lift the shielding curtain 3 before parts enter and go out, and thus the shielding curtain 3 can be thick and heavy, external light can be isolated, and normal entry and exit of the parts can not be influenced; the parts are irradiated by the light emitted by the irradiation lamp 15, the change of the incident angle is realized by rotating the irradiation lamp 15, but the incident height is unchanged, when the scratch is shallower, the projection is not observed even if the irradiation is performed by the higher incident light, the lifting component drives the telescopic cylinder 22 to slide up and down, meanwhile drives the rotating rod 19 to rotate, the height of the irradiation lamp 15 can be changed by sliding up and down, so that the angle between the incident light and the parts is changed, but the incident light cannot irradiate the parts easily due to the change of the height, the irradiation lamp 15 always faces the parts due to the rotation of the rotating rod 19, so that only the incident angle is changed, and the parts are always irradiated by the incident light; when the balance disc 10 rotates, the transmission rod 16 moves circularly under the drive of the sleeve, the top of the transmission rod 16 is extruded with the steering blocks 11, when extrusion happens, the transmission rod 16 is extruded to move downwards, so that the telescopic cylinder 22 stretches, and along with the continuous rotation, when the telescopic cylinder is far away from the steering blocks 11, the telescopic cylinder 22 is reset under the pulling of the spring 23, so that the function of changing the height of the illumination lamp 15 is realized, meanwhile, when the telescopic cylinder 22 stretches, the connecting rope I24 can be prolonged, when the telescopic cylinder is prolonged, the rotating rod 19 can be pulled to rotate anticlockwise, the orientation sleeve 17 keeps still, the illumination lamp 15 rotates anticlockwise, the diameter of the rotating rod 19 is designed, so that the rotation angle just corresponds to the lifted height, the incident light always irradiates the bottommost end of the camera module 7, and the torsion spring 19 is used for resetting the rotating rod, by the arrangement, the height and angle change of the illumination lamp 15 are realized, the detection precision is further improved, meanwhile, no other energy sources are consumed, no precise electric appliance control is required, and the fault rate is reduced due to the pure mechanical structure; the structure of the balance disc 10 is matched, so that the balance disc can be stably clamped on the bottom surface of the driving seat 6, and the sliding ball 13 can reduce the resistance generated by friction; by matching the arc-shaped arrangement of the steering block 11 and the arrangement of the top ball 20, the transmission rod 16 and the steering block 11 can realize smooth extrusion transmission effect when in contact, and meanwhile, when the transmission rod 16 is far away, the transmission rod 16 can slowly rise, so that the stable lifting effect of the telescopic cylinder 22 is ensured, and the light emitted by the irradiation lamp 15 can be stable without shaking; after the detection of each time the balance disc 10 rotates for one circle, the parts are conveyed away, the telescopic cylinder 22 is in a static state and is just close to the side wall of the detection groove 4, and the battery compartment 21 is aligned with the induction charging module, so that the induction charging effect can be realized, the effect of continuously supplying power to the illumination lamp 15 is ensured, and the non-stop detection function is realized; after the part moves to stop, the fan 12 is started to blow downwards, so that foreign matters such as fibers carried on the surface of the part can be removed, the influence on a detection result is reduced, the surface of the camera module 7 can be cleaned by blowing, and the detection effect is further improved.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a stainless steel part surface defect detection device which characterized in that: including detecting case (1), detection groove (4) have been seted up on the top surface of detection case (1), the rigid coupling has control box (2) on the top surface of detection groove (4), the bottom rigid coupling of control box (2) has driving seat (6), the bottom middle part rigid coupling of driving seat (6) has camera module (7), the bottom of driving seat (6) is provided with illumination component (5) by the edge, illumination component (5) are used for shining white light to oblique below, the one end rigid coupling of control box (2) has control panel (9).
2. The stainless steel part surface defect detection device according to claim 1, wherein: annular clamping grooves are formed in the bottom of the driving seat (6) close to the edge, annular balance discs (10) are connected to the inner sides of the clamping grooves in a sliding mode, the top ends of the lighting assemblies (5) are fixedly connected with the bottom ends of the balance discs (10), electric discs (14) are arranged on the inner sides of the driving seat (6), and the electric discs (14) are movably attached to the inner rings of the balance discs (10).
3. The stainless steel part surface defect detection device according to claim 2, wherein: the length of control box (2) is longer than the length of detection case (1), the equal fixed mounting in both ends of control box (2) has the increase board, the inboard of increase board is provided with lifting unit, lifting unit's drive end rigid coupling has black shielding curtain (3), the width of shielding curtain (3) is greater than the width of detecting groove (4).
4. A stainless steel part surface defect detecting device according to claim 3, wherein: the illumination assembly (5) comprises an illumination lamp (15) and a telescopic cylinder (22), wherein the top end of the telescopic cylinder (22) is fixedly connected with a balance disc (10), the illumination lamp (15) is located on one side of the telescopic cylinder (22), an orientation sleeve (17) is fixedly connected to the top end of the telescopic cylinder (22), the inner side of the orientation sleeve (17) is in a hollow arrangement, a rotating rod (19) is rotatably connected to one side of the orientation sleeve (17) in a penetrating mode, the illumination lamp (15) is fixedly connected to the outer side of the rotating rod (19), a lifting assembly is arranged in the orientation sleeve (17), and the lifting assembly is used for driving the telescopic cylinder (22) to slide up and down and simultaneously drives the rotating rod (19) to rotate.
5. The stainless steel part surface defect detection device according to claim 4, wherein: the lifting assembly comprises a spring (23), the telescopic cylinder (22) comprises two sleeves which are connected with each other in a sliding mode, the two sleeves are fixedly connected with the balance disc (10) and the directional sleeve (17) respectively, a connecting rope (24) is fixedly connected to the outer side of the rotating rod (19) in a winding mode, the connecting rope (24) penetrates through the telescopic cylinder (22) and is fixedly connected with the balance disc (10), a plurality of steering blocks (11) are fixedly connected to the bottom end of the driving seat (6), the steering blocks (11) are arranged in a protruding mode, a transmission rod (16) is fixedly connected to the outer side of the sleeve fixedly connected with the directional sleeve (17), the transmission rod (16) is arranged in a bending mode, the top end of the transmission rod (16) is aligned with the steering blocks (11), and a torsion spring is fixedly connected between the rotating rod (19) and the directional sleeve (17).
6. The stainless steel part surface defect detection device according to claim 2, wherein: the cross section of balance dish (10) is the I shape, circular slot has been seted up to the top surface of balance dish (10), rotate in the circular slot and be connected with slide ball (13).
7. The stainless steel part surface defect detection device according to claim 5, wherein: the plurality of steering blocks (11) are arranged in an equidistant annular mode, the outer surfaces of the steering blocks (11) are arranged in an arc shape, and the top end of the transmission rod (16) is fixedly connected with a top ball (20).
8. The stainless steel part surface defect detecting device according to claim 7, wherein: the telescopic cylinder (22) is characterized in that a battery compartment (21) is fixedly connected to the outer side of a sleeve fixedly connected with the balance disc (10), the battery compartment (21) is electrically connected with the irradiation lamp (15), and an induction charging module is fixedly connected to the inner wall of the detection groove (4).
9. The stainless steel part surface defect detection device according to claim 8, wherein: the bottom of control box (2) is leaned on the middle part rigid coupling to have fan (12), the output of fan (12) is vertical down, the bottom rigid coupling of balance disc (10) has balancing weight (8), balancing weight (8) are symmetrical setting with lighting assembly (5).
10. The stainless steel part surface defect detection device according to claim 5, wherein: the outside winding rigid coupling of bull stick (19) has two sets of connecting rope two (25), and two connecting rope two (25) are symmetrical with connecting rope one (24) as the symmetry center, and the rigid coupling has the sagging piece (18) between the bottom of two connecting rope two (25), sagging piece (18) and directional cover (17) sliding connection.
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| CN117630016A (en) * | 2023-12-01 | 2024-03-01 | 广州市隆辉电子有限公司 | Patch inductor surface defect detection equipment and detection method |
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