CN117129422B - Optical detection device and optical detection method - Google Patents
Optical detection device and optical detection method Download PDFInfo
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- CN117129422B CN117129422B CN202311394906.1A CN202311394906A CN117129422B CN 117129422 B CN117129422 B CN 117129422B CN 202311394906 A CN202311394906 A CN 202311394906A CN 117129422 B CN117129422 B CN 117129422B
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- 238000001514 detection method Methods 0.000 title claims abstract description 244
- 230000003287 optical effect Effects 0.000 title claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 16
- 238000012545 processing Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
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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
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
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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
Abstract
The invention belongs to the technical field of detection devices, and discloses an optical detection device and an optical detection method, wherein the optical detection device comprises the following steps: the base is provided with a conveying device for conveying the workpiece to be detected; the detection table is movably arranged on the conveying device; the detection table is provided with a first detection component; the detection frame is fixedly connected to the base, is erected on the conveying device and is arranged corresponding to the detection table; the detection frame is provided with a second detection component which is arranged corresponding to the detection table, the two inner walls of the detection frame are respectively provided with a third detection component, and the second detection component and the third detection component are respectively arranged corresponding to the workpiece to be detected; and the two poking wheels are rotationally connected to the base and symmetrically arranged relative to the conveying device, and the poking wheels are in movable contact with the workpiece to be detected. The invention has simple structure and convenient use, can optically detect the workpiece to be detected in multiple aspects and angles, reduces the detection dead angle, improves the detection efficiency and the detection accuracy, and performs automatic optical detection.
Description
Technical Field
The invention belongs to the technical field of detection devices, and particularly relates to an optical detection device and an optical detection method.
Background
The optical detection device is a device for detecting by utilizing an optical principle, is commonly used for detecting defects, sizes, shapes and the like on the surface of an object, can detect various characteristics of the object with high precision, and has lower requirements on environment; the principle of optical detection is that the image information of an object is converted into an electric signal through the physical effects of refraction, reflection, interference and the like of light, and then the detection result is obtained through computer processing and analysis.
When the existing optical detection device is used, an object to be detected is generally placed on a detection table, then equipment is started to detect that the object to be detected has detection dead angles, and meanwhile, the detection effect on the object with uneven surface is insufficient and the error is large.
Therefore, the application designs an optical detection device and an optical detection method to solve the technical problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides an optical detection device and an optical detection method.
To achieve the above object, the present invention provides an optical detection device comprising:
the base is provided with a conveying device for conveying the workpiece to be detected;
the detection table is movably arranged on the conveying device and is arranged corresponding to the workpiece to be detected; the detection table is provided with a first detection component;
the detection frame is fixedly connected to the base, is erected on the conveying device and is arranged corresponding to the detection table; the detection frame is provided with a second detection component which is arranged corresponding to the detection table, the two inner walls of the detection frame are respectively provided with a third detection component, and the second detection component and the third detection component are respectively arranged corresponding to the workpiece to be detected;
and the poking wheels are rotationally connected to the base and symmetrically arranged relative to the conveying device, and are in movable contact with the workpiece to be detected.
Preferably, the conveying device is provided with a detection cavity which is arranged corresponding to the detection table, a lifting rod is arranged between the detection table and the detection cavity, the detection table is rotationally connected with the top end of the lifting rod, and the detection table is movably connected in the detection cavity.
Preferably, the first detection assembly comprises a first camera and a plurality of first light sources, wherein the first camera and the first light sources are arranged at the bottom end of the detection cavity, and the first camera and the first light sources face the detection table.
Preferably, the second detection assembly comprises a detection plate movably connected to the top end of the inner wall of the detection frame, the detection plate is arranged up and down corresponding to the workpiece to be detected, a second camera and a plurality of second light sources are fixedly connected to the bottom end of the detection plate, and the second camera and the second light sources face the workpiece to be detected.
Preferably, the top end of the detection frame is rotationally connected with an adjusting sleeve, a connecting rod is threaded in the adjusting sleeve, and the connecting rod is fixedly connected with the top end of the detection frame; a first limiting component is arranged between the connecting rod and the adjusting sleeve, and a second limiting component is arranged between the connecting rod and the detecting frame.
Preferably, the second limiting assembly comprises a through hole formed in the detection frame, a second limiting groove longitudinally formed in the side wall of the through hole is formed, a second limiting plate is movably arranged in the second limiting groove, and the second limiting plate is in limiting contact with a clamping groove longitudinally formed in the outer wall of the connecting rod.
Preferably, the first limiting component comprises a first limiting groove formed in the inner wall of the adjusting sleeve, a first limiting block is movably connected in the first limiting groove, and the first limiting block is clamped with the outer wall of the connecting rod.
Preferably, the outer wall of the adjusting sleeve is connected with a worm in a meshed mode, and the worm is in transmission connection with an adjusting motor arranged at the top end of the detecting frame.
Preferably, a plurality of stirring blades are arranged on the outer wall of the stirring wheel at equal intervals, and the stirring blades are in contact with the workpiece to be detected; the stirring wheel is connected with a transmission shaft in a transmission way, and the bottom end of the transmission shaft penetrates through the base and is connected with a stirring motor in a transmission way.
An optical detection method comprising the steps of:
connecting the conveying device with a production line and detecting;
conveying the workpiece to be detected to a detection table for positioning, and then lifting the detection table;
starting a first detection assembly, a second detection assembly and a third detection assembly to carry out optical detection on a workpiece to be detected;
collecting detection data, and processing and judging the information of the workpiece to be detected to obtain a detection result;
and (5) replacing the workpiece to be detected on the detection table, starting the poking wheel, taking the workpiece to be detected off the detection table, and carrying out subsequent treatment.
Compared with the prior art, the invention has the following advantages and technical effects: the invention discloses an optical detection device, wherein a conveying device for conveying a workpiece to be detected is arranged on a base, so that automatic detection is realized; the detection table is arranged on the conveying device, the conveyed device is automatically conveyed to the detection table for detection, and in the detection process, a first detection component arranged on the detection table, a second detection component and a third detection component arranged on the detection frame are used for detecting a workpiece to be detected from all directions, so that dead angles of detection are reduced, detection errors are reduced, and detection accuracy is improved; the toggle wheels are respectively arranged on two sides of the conveying device and used for toggling the workpiece to be detected to move on the detection table, so that the workpiece to be detected can be automatically detected conveniently; the second detection component and the third detection component self-adaptively lift on the detection frame, detect according to the type and the position of the workpiece to be detected, improve detection efficiency and detection effect, and are more convenient for detect.
The invention has simple structure and convenient use, can optically detect the workpiece to be detected in multiple aspects and angles, reduces the detection dead angle, improves the detection efficiency and the detection accuracy, and performs automatic optical detection.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application, illustrate and explain the application and are not to be construed as limiting the application. In the drawings:
FIG. 1 is an axial view of an optical inspection apparatus according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A in accordance with the present invention;
FIG. 3 is a schematic view of the top cap structure of the present invention;
FIG. 4 is a schematic view of the structure of the adjusting sleeve of the present invention;
FIG. 5 is a schematic top view of the motor of the present invention;
FIG. 6 is an enlarged view of a portion of B of FIG. 4 in accordance with the present invention;
FIG. 7 is an enlarged view of a portion of C of FIG. 5 in accordance with the present invention;
FIG. 8 is a schematic view of a lifter plate structure according to the present invention;
FIG. 9 is a schematic diagram of a first detecting assembly according to the present invention;
FIG. 10 is a schematic view of a first detecting assembly according to the present invention in a contracted state;
in the figure: 1. a base; 2. a workpiece to be inspected; 3. a conveying device; 4. a detection table; 5. a detection frame; 6. a poking wheel; 7. a detection chamber; 8. a lifting rod; 9. a first camera; 10. a first light source; 11. a detection plate; 12. a second camera; 13. a second light source; 14. an adjusting sleeve; 15. a connecting rod; 16. a through hole; 17. the second limit groove; 18. a second limiting plate; 19. a clamping groove; 20. a second limiting hole; 21. a second permanent magnet; 22. a second electromagnet; 23. a second spring; 24. a first limit groove; 25. a first limiting block; 26. a first limiting hole; 27. a first permanent magnet; 28. a first electromagnet; 29. a first spring; 30. a worm; 31. adjusting a motor; 32. a support frame; 33. a poking blade; 34. a transmission shaft; 35. the motor is stirred; 36. a lifting plate; 37. a lifting groove; 38. a guide groove; 39. a lifting block; 40. a guide block; 41. lifting screw rods; 42. a third camera; 43. a third light source; 44. a top cap; 45. a positioning spring; 46. a positioning plate; 47. a contact plate; 48. a support column; 49. a pressing plate; 50. a sliding groove; 51. a sliding block; 52. and a supporting block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1 to 10, the present embodiment provides an optical detection device including:
a base 1, wherein a conveying device 3 for conveying a workpiece 2 to be inspected is arranged on the base 1;
the detection table 4 is movably arranged on the conveying device 3, and the detection table 4 is arranged corresponding to the workpiece 2 to be detected; the detection table 4 is provided with a first detection component;
the detection frame 5 is fixedly connected to the base 1, and the detection frame 5 is erected on the conveying device 3 and is arranged corresponding to the detection table 4; the detection frame 5 is provided with a second detection component which is arranged corresponding to the detection table 4, the two inner walls of the detection frame 5 are respectively provided with a third detection component, and the second detection component and the third detection component are respectively arranged corresponding to the workpiece 2 to be detected;
the poking wheels 6, the two poking wheels 6 are rotatably connected to the base 1 and symmetrically arranged relative to the conveying device 3, and the poking wheels 6 are in movable contact with the workpiece 2 to be detected.
The invention discloses an optical detection device, wherein a conveying device 3 for conveying a workpiece 2 to be detected is arranged on a base 1, so that automatic detection is realized; the detection table 4 is arranged on the conveying device 3, and is automatically brought to the detection table 4 by the conveying device 3 for detection, in the detection process, a first detection component arranged on the detection table 4, a second detection station and a third detection component arranged on the detection frame 5 are used for detecting the workpiece 2 to be detected from all directions, so that dead angles of detection are reduced, detection errors are reduced, and detection accuracy is improved; the two sides of the conveying device 3 are respectively provided with a poking wheel 6 for poking the workpiece 2 to be detected to move on the detection table 4, so that the workpiece 2 to be detected can be automatically detected conveniently; the second detection component and the third detection component self-adaptively lift on the detection frame 5, detect according to the type and the position of the workpiece 2 to be detected, improve detection efficiency and detection effect, and are more convenient for detect.
Further optimizing scheme has offered the detection chamber 7 that corresponds the setting with detecting the platform 4 on the conveyor 3, is provided with lifter 8 between detecting the platform 4 and the detection chamber 7, and the top rotation of detecting platform 4 and lifter 8 is connected, detects platform 4 swing joint in detecting the chamber 7. The conveying device 3 is a conventional conveying belt or a conveying roller and is used for driving the workpiece 2 to be detected to move, the lifting rod 8 drives the detection table 4 to lift in the detection cavity 7, and when the workpiece 2 to be detected moves onto the detection table 4, the lifting rod 8 drives the detection table 4 to lift and approach to the second detection assembly, so that detection is facilitated; after the detection is finished, the detection table 4 returns to the detection cavity 7 again, so that the detection table 4 is flush with the top surface of the conveying device 3, and the workpiece 2 to be detected is conveniently moved back to the conveying device 3 through the poking wheel 6 to automatically enter the next working procedure.
Further optimizing scheme, first detection subassembly is including setting up at the first camera 9 and a plurality of first light source 10 of detecting chamber 7 bottom, and first camera 9 and first light source 10 are towards detecting platform 4. The detection table 4 is made of transparent materials, so that light can pass through conveniently; the first camera 9 and the first light source 10 face the bottom end of the workpiece 2 to be detected, and the bottom end of the workpiece 2 to be detected is detected; meanwhile, the detection table 4 rotates, so that the first camera 9 can conveniently shoot all angles at the bottom end of the workpiece 2 to be detected, detection dead angles are reduced, and detection accuracy is improved.
Further optimizing scheme, the second detection subassembly includes swing joint at the pick-up plate 11 on the inner wall top of detection frame 5, and the pick-up plate 11 corresponds the setting from top to bottom with waiting to examine work piece 2, and the bottom rigid coupling of pick-up plate 11 has second camera 12 and a plurality of second light source 13, and second camera 12 and second light source 13 set up towards waiting to examine work piece 2. The detection plate 11 is arranged below the detection frame 5, can be lifted and rotated, conveniently drives the second camera 12 and the second light source 13 to irradiate and detect the top end of the workpiece 2 to be detected, and reduces dead angles of detection; meanwhile, the lifting of the detection plate 11 can be close to or far away from the workpiece 2 to be detected, so that the second camera 12 can conveniently focus and adjust the detection range, and a more accurate detection effect is obtained by comparing partial and whole images.
In a further optimized scheme, the top end of the detection frame 5 is rotationally connected with an adjusting sleeve 14, a connecting rod 15 is arranged in the adjusting sleeve 14 in a threaded manner, and the connecting rod 15 is fixedly connected with the top end of the detection frame 5; a first limiting component is arranged between the connecting rod 15 and the adjusting sleeve 14, and a second limiting component is arranged between the connecting rod 15 and the detecting frame 5. The adjusting sleeve 14 is in threaded connection with the connecting rod 15, when the adjusting sleeve 14 rotates, the connecting rod 15 longitudinally rises and falls, and at the moment, the first limiting component enables the connecting rod 15 to be clamped by the detecting frame 5 and only longitudinally moves; when the detecting frame 5 needs to be rotated, the first limiting component clamps the adjusting sleeve 14 and the connecting rod 15, the second limiting component enables the connecting rod 15 to be separated from the detecting frame 5, the connecting rod 15 rotates along with the adjusting sleeve 14, and then the detecting plate 11 is driven to rotate.
Further optimizing scheme, the second spacing subassembly is including seting up the through-hole 16 on detecting frame 5, and the second spacing groove 17 of vertical setting is seted up to the lateral wall of through-hole 16, and the activity is provided with second limiting plate 18 in the second spacing groove 17, and second limiting plate 18 and the draw-in groove 19 limit contact of vertical seting up at connecting rod 15 outer wall. A second limiting hole 20 is formed in the second limiting groove 17, a second electromagnet 22 is arranged in the second limiting hole 20, a second permanent magnet 21 is fixedly connected with the second limiting plate 18 in a sliding manner with the second limiting hole 20, the second permanent magnet 21 is correspondingly attracted with the second electromagnet 22, and a second spring 23 is arranged between the second permanent magnet 21 and the second electromagnet 22; when the second electromagnet 22 is electrified, the second electromagnet is attracted with the second permanent magnet 21, so that the second limiting plate 18 is retracted into the second limiting groove 17, the second limiting plate 18 is separated from the clamping groove 19 of the connecting rod 15, and the rotation of the connecting rod 15 is not influenced; when the second electromagnet 22 is powered off, the second spring 23 pushes the second limiting plate 18 to be clamped into the clamping groove 19, so that the connecting rod 15 cannot rotate and can only move longitudinally under the action of the adjusting sleeve 14.
Further optimizing scheme, first spacing subassembly is including seting up the first spacing groove 24 at adjusting collar 14 inner wall, and swing joint has first stopper 25 in the first spacing groove 24, and first stopper 25 and the outer wall joint of connecting rod 15. A first limiting hole 26 is formed in the bottom end of the first limiting groove 24, a first electromagnet 28 is arranged at the bottom end of the first limiting hole 26, the first limiting block 25 is in sliding connection with the first limiting hole 26 and fixedly connected with a first permanent magnet 27, and the first electromagnet 28 and the first permanent magnet 27 are in attraction arrangement; when the first electromagnet 28 is electrified, the first permanent magnet 27 is attracted, the first spring 29 is compressed, and the first limiting block 25 is separated from the connecting rod 15, so that the adjusting sleeve 14 and the connecting rod 15 can rotate in a threaded manner; when the first electromagnet 28 is powered off, the first spring 29 pushes the first limiting block 25 to be clamped with the connecting rod 15, so that the connecting rod 15 rotates along with the adjusting sleeve 14, and the detecting plate 11 rotates.
Further, when the adjustment is performed, the first electromagnet 28 and the second electromagnet 22 are respectively powered off and powered on, and are not powered on or powered off at the same time, and are controlled in an interlocking manner.
In a further optimized scheme, the outer wall of the adjusting sleeve 14 is connected with a worm 30 in a meshed manner, and the worm 30 is in transmission connection with an adjusting motor 31 arranged at the top end of the detecting frame 5. The outer wall of the adjusting sleeve 14 is sleeved with a worm wheel matched with the worm 30, and the adjusting sleeve 14 is driven to rotate by an adjusting motor 31; both ends of the worm 30 are supported and stabilized by a support bracket 32 fixed to the detection frame 5.
In a further optimization scheme, a plurality of poking blades 33 are arranged on the outer wall of the poking wheel 6 at equal intervals, and the poking blades 33 are in contact with the workpiece 2 to be detected; the poking wheel 6 is connected with a transmission shaft 34 in a transmission way, and the bottom end of the transmission shaft 34 penetrates through the base 1 and is connected with a poking motor 35 in a transmission way. The poking motor 35 selects a stepping motor, the output shaft of the poking motor 35 drives the poking wheel 6 to rotate through the transmission shaft 34, and then the poking blade 33 is driven to rotate, so that the workpiece 2 to be detected is poked, and automatic detection is realized.
Further, the stirring blade 33 comprises a plurality of long blades and short blades which are arranged at intervals, the short blades stir the workpiece 2 to be detected to the center of the detection table 4, and then the long blades and the short blades are staggered; the long leaves stir the workpiece 2 to be detected on the detection table 4 out of the detection table 4, and the next procedure is carried out.
Further, the third detecting assembly comprises a lifting plate 36, one side of the lifting plate 36 facing the workpiece 2 to be detected is provided with a third camera 42 and a plurality of third light sources 43, and when the detecting table 4 rotates, each side surface of the workpiece 2 to be detected is detected; meanwhile, the lifting plate 36 can also lift and lower the side walls of the workpieces 2 to be detected at different heights.
Further, a guiding groove 38 and a lifting groove 37 are longitudinally arranged on the side wall of the detection frame 5, a guiding block 40 fixedly connected with the lifting plate 36 is slidably connected in the guiding groove 38, a lifting block 39 fixedly connected with the lifting plate 36 is slidably connected in the lifting groove 37, and the lifting block 39 is in threaded connection with a lifting screw 41 rotatably connected in the lifting groove 37, so that the lifting plate 36 is driven to lift; the guide block 40 and the guide groove 38 are provided to stabilize the movement of the lifting block 39.
Further, a top cap 44 is arranged at the top end of the connecting rod 15, a positioning spring 45 is fixedly connected at the bottom end of the top cap 44, and the positioning spring 45 is sleeved on the connecting rod 15; the bottom end of the positioning spring 45 is fixedly connected with a positioning plate 46 sleeved on the connecting rod 15, and the bottom end of the positioning plate 46 is rotationally connected with a contact plate 47 sleeved on the connecting rod 15 in a sliding manner; when the connecting rod 15 descends to a certain extent, the contact plate 47 contacts with the top end of the adjusting sleeve 14, compressing the positioning spring 45, and positioning.
Further, a section of connecting rod 15 at the bottom end of the top cap 44 is provided as a polished rod, and a positioning spring 45 is sleeved outside the polished rod section; when the connecting rod 15 descends to a certain extent, the adjusting sleeve 14 is in contact with the polished rod section, the threaded connection is not needed any more, and the connecting rod 15 is not driven to descend any more.
Further, a pressing plate 49 is sleeved on the connecting rod 15, and two ends of the pressing plate 49 are fixed through supporting columns 48; the bottom rigid coupling of clamp plate 49 has sliding block 51 and supporting shoe 52 that the symmetry set up, and sliding groove 50 has been seted up on the top of adjustment sleeve 14, and sliding block 51 and supporting shoe 52 all sliding connection are in sliding groove 50, and wherein sliding block 51 and the conducting strip electric connection in the sliding groove 50, conducting strip and electro-magnet electric connection, supporting shoe 52 and conducting strip insulation setting.
An optical detection method comprising the steps of:
connecting the conveying device 3 with the production line and detecting; the automatic production line is connected with the conveying device 3, so that the workpiece 2 to be detected can be conveniently conveyed;
conveying the workpiece 2 to be detected to the detection table 4 for positioning, and then lifting the detection table 4; the conveying device 3 conveys the workpiece 2 to be detected to the detection table 4, and the shorter stirring blade 33 pushes the workpiece 2 to be detected to the center of the detection table 4; then the lifting rod 8 drives the detection table 4 to rise to a certain height;
starting a first detection assembly, a second detection assembly and a third detection assembly, and performing optical detection on the workpiece 2 to be detected; respectively starting a first light source 10, a second light source 13 and a third light source 43, irradiating light to the workpiece 2 to be detected, starting a first camera 9, a second camera 12 and a third camera 42 at the same time, shooting the surface of the workpiece 2 to be detected, and optically detecting the workpiece 2 to be detected;
collecting detection data, and processing and judging the information of the workpiece 2 to be detected to obtain a detection result; comparing and analyzing the detection result, comprehensively processing the detection result, and judging whether the workpiece 2 to be detected has defects or not;
the workpiece to be detected 2 is taken down from the detection table 4 for subsequent treatment by putting the workpiece to be detected back to the detection table 4 and starting the poking wheel 6; after the detection is completed, the detection table 4 is lowered to a position flush with the top surface of the conveying device 3, then the workpiece 2 to be detected is pushed onto the conveying device 3 from the detection table 4 through the long shifting blade 33, the next procedure is carried out, and then the subsequent workpiece 2 to be detected is detected.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (6)
1. An optical inspection device, comprising:
the device comprises a base (1), wherein a conveying device (3) for conveying a workpiece (2) to be detected is arranged on the base (1);
the detection table (4) is movably arranged on the conveying device (3), and the detection table (4) is arranged corresponding to the workpiece (2) to be detected; the detection table (4) is provided with a first detection component;
the detection frame (5) is fixedly connected to the base (1), and the detection frame (5) is erected on the conveying device (3) and is arranged corresponding to the detection table (4); the detection frame (5) is provided with a second detection component which is arranged corresponding to the detection table (4), two inner walls of the detection frame (5) are respectively provided with a third detection component, and the second detection component and the third detection component are respectively arranged corresponding to the workpiece (2) to be detected;
the stirring wheels (6) are rotationally connected to the base (1) and symmetrically arranged relative to the conveying device (3), and the stirring wheels (6) are in movable contact with the workpiece (2) to be detected;
the second detection assembly comprises a detection plate (11) movably connected to the top end of the inner wall of the detection frame (5), the detection plate (11) and the workpiece (2) to be detected are arranged up and down correspondingly, a second camera (12) and a plurality of second light sources (13) are fixedly connected to the bottom end of the detection plate (11), and the second camera (12) and the second light sources (13) are arranged towards the workpiece (2) to be detected;
the top end of the detection frame (5) is rotationally connected with an adjusting sleeve (14), a connecting rod (15) is arranged in the adjusting sleeve (14) in a threaded manner, and the connecting rod (15) is fixedly connected with the top end of the detection frame (5); a first limiting component is arranged between the connecting rod (15) and the adjusting sleeve (14), and a second limiting component is arranged between the connecting rod (15) and the detecting frame (5);
the second limiting assembly comprises a through hole (16) formed in the detection frame (5), a second limiting groove (17) longitudinally formed in the side wall of the through hole (16), a second limiting plate (18) is movably arranged in the second limiting groove (17), and the second limiting plate (18) is in limiting contact with a clamping groove (19) longitudinally formed in the outer wall of the connecting rod (15); a second limiting hole (20) is formed in the second limiting groove (17), a second electromagnet (22) is arranged in the second limiting hole (20), a second limiting plate (18) is connected with the second limiting hole (20) in a sliding mode and fixedly connected with a second permanent magnet (21), the second permanent magnet (21) is attracted with the second electromagnet (22) correspondingly, and a second spring (23) is arranged between the second permanent magnet (21) and the second electromagnet (22);
the first limiting assembly comprises a first limiting groove (24) formed in the inner wall of the adjusting sleeve (14), a first limiting block (25) is movably connected in the first limiting groove (24), and the first limiting block (25) is clamped with the outer wall of the connecting rod (15); a first limiting hole (26) is formed in the bottom end of the first limiting groove (24), a first electromagnet (28) is arranged at the bottom end of the first limiting hole (26), the first limiting block (25) is in sliding connection with the first limiting hole (26) and fixedly connected with a first permanent magnet (27), and the first electromagnet (28) and the first permanent magnet (27) are in attraction arrangement;
when the control is carried out, the first electromagnet (28) and the second electromagnet (22) are respectively powered off and powered on, and are not powered on or powered off at the same time, and the two electromagnets are controlled in an interlocking way.
2. The optical detection device of claim 1, wherein: the detection device is characterized in that a detection cavity (7) corresponding to the detection table (4) is formed in the conveying device (3), a lifting rod (8) is arranged between the detection table (4) and the detection cavity (7), the detection table (4) is rotatably connected with the top end of the lifting rod (8), and the detection table (4) is movably connected in the detection cavity (7).
3. The optical detection device of claim 2, wherein: the first detection assembly comprises a first camera (9) and a plurality of first light sources (10) which are arranged at the bottom end of the detection cavity (7), and the first camera (9) and the first light sources (10) face the detection table (4).
4. The optical detection device of claim 1, wherein: the outer wall of the adjusting sleeve (14) is connected with a worm (30) in a meshed mode, and the worm (30) is in transmission connection with an adjusting motor (31) arranged at the top end of the detecting frame (5).
5. The optical detection device of claim 1, wherein: a plurality of stirring blades (33) are arranged on the outer wall of the stirring wheel (6) at equal intervals, and the stirring blades (33) are in contact with the workpiece (2) to be detected; the stirring wheel (6) is in transmission connection with a transmission shaft (34), and the bottom end of the transmission shaft (34) penetrates through the base (1) and is in transmission connection with a stirring motor (35).
6. An optical detection method, an optical detection apparatus according to any one of claims 1 to 5, characterized by comprising the steps of:
connecting the conveying device (3) with the production line and detecting;
conveying the workpiece (2) to be detected to a detection table (4) for positioning, and then lifting the detection table (4);
starting a first detection assembly, a second detection assembly and a third detection assembly to carry out optical detection on a workpiece (2) to be detected;
collecting detection data, and processing and judging the information of the workpiece (2) to be detected to obtain a detection result;
the workpiece to be detected (2) is taken down from the detection table (4) for subsequent treatment by replacing the detection table (4) and starting the poking wheel (6).
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| CN117129422A (en) | 2023-11-28 |
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