CN112816489B - Auxiliary device for visual detection and transmission device thereof - Google Patents
Auxiliary device for visual detection and transmission device thereof Download PDFInfo
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- CN112816489B CN112816489B CN202110186398.2A CN202110186398A CN112816489B CN 112816489 B CN112816489 B CN 112816489B CN 202110186398 A CN202110186398 A CN 202110186398A CN 112816489 B CN112816489 B CN 112816489B
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/24—Gearing between driving motor and belt- or chain-engaging elements
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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
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
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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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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
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Abstract
The invention discloses an auxiliary device for visual detection and a transmission device thereof. The assist device includes: imaging unit, light source unit and transmission unit, imaging unit includes: the camera comprises a camera beam, a camera bracket, a camera mounting plate and a camera; the light source unit includes: the device comprises a light source beam, a light source bracket, a light source mounting plate and a light source; the transmission unit includes: the power assembly, the main transmission assembly, the auxiliary transmission assembly, the supporting assembly and the bottom plate; the camera and the camera mounting plate are arranged on the camera bracket, and the camera bracket is arranged on the camera beam; the light source and the light source mounting plate are arranged on the light source bracket, and the light source bracket is arranged on the light source beam; the power assembly is arranged on the bottom plate; the main transmission component is arranged on the bottom plate. The belt conveyor has the advantages of convenience in overall replacement and high standardization degree, and the rotating shafts of the driven components are of cantilever structures, so that the belt conveyor has the advantages of low manufacturing cost, high conveying precision, simplicity in assembly and adjustment, convenience in belt replacement and the like.
Description
Technical Field
The invention relates to the technical field of computer vision detection, in particular to an auxiliary device for vision detection and a transmission device thereof.
Background
In a complex production process, various technical and environmental reasons such as vibration, floating production process precision, improper cooperation of software and hardware and the like exist in a processing environment, so that various defects are easily generated on the surface of a product. For example, the hole position deviation, mechanical scribing, welding spot defect, surface stain and the like appear on the printed circuit board, the substrate glass of the liquid crystal display screen panel and the surface of the optical filter contain pinholes, scribing, printing ink, impurities and the like, and the working surface of the strip steel has cracks, roll marks, holes, pockmarks and the like. Pits, bumps, scratches, rust, etc. on the surface of the railway rail. These surface defects not only affect the surface quality of the product, but also adversely affect the working performance of the product, leading to unexpected service life or more serious engineering accidents. Therefore, the detection of the surface quality of the product has a non-negligible meaning,
in the past, the capacity of the smart phone is increased day by day, the goods output of the smart phone is huge, and the requirement on a cover plate of the smart phone is also increased. The mobile phone cover plate has high transparency, wear resistance, corrosion resistance and excellent stability, does not block the receiving and sending processes of electric signals, and is increasingly used. In addition, the mobile phone cover plate has important protection and decoration functions on the electronic touch screen, although the functions are not complex, the mobile phone cover plate can be manufactured through more than ten processing processes of glass cutting, rough turning, carving, polishing and trimming, electroplating, silk-screen printing, hardening, grinding, cleaning, packaging and the like. The production and the manufacture are complex, and in addition, the defects of scratches, edge breakage, concave-convex points, less ink, ink overflow, pockmarks, broken filaments, dust and the like are inevitably generated on the surface of the mobile phone cover plate due to the influence of complex factors such as raw material characteristics, processing equipment, manual operation, transportation and the like.
These defects are very subtle and require high resolution cameras and stable field of view effects for surface defect detection of the product. At present, the detection of the surface defects of the cover plate of the smart phone mainly focuses on a manual visual method, and the labor cost is increased year by year, the efficiency is low, and the method is not favorable for industrial production; secondly, the cell-phone apron is the glass material, belongs to transparent substrate, need detect through the highlight illumination in dark closed workshop, and the naked eye exposes under this kind of highlight for a long time and easily leads to diseases such as blurred vision, edema, and detection effect is unstable, and this harm to the eyes is huge.
Thirdly, because the surface defects of the mobile phone glass cover plate are tiny, the actual minimum defect width can reach 20 μm, and the defects are difficult to be completely detected by naked eyes within a few seconds. Finally, the development of smart phones is more and more biased towards personalization, the appearance types of mobile phone cover plates are also biased towards diversification, and the shapes and specifications are complex and diverse, so that the research on automatic optical detection systems for the surface defects of the smart phone cover plates is more and more important.
Along with the rapid increase of the mobile phone cover plate demand in the field of electronic products and the higher quality requirement of the mobile phone cover plate, the appearance detection equipment based on machine vision is gradually widely applied. The detection method of the existing machine vision detection equipment firstly needs to obtain a complete image of a mobile phone cover plate, so a linear array camera and a light source are usually erected on the detection equipment, the cover plate passes through a photographing area at a constant speed, the complete image of the cover plate is acquired by utilizing the mutual matching of the camera and the light source, then the image is analyzed by using a corresponding algorithm, and qualified products and defective products are sorted out. Therefore, the moving precision of the mobile phone cover plate determines the imaging quality of the camera, but the good and bad imaging quality affects the good product detection rate of the visual detection equipment, so that the moving precision of the mobile phone cover plate is the key of the detection equipment. The mobile precision of the mobile phone cover plate is greatly related to the cover plate detection auxiliary device, most of the existing transmission modes adopt a roller conveyor or a linear displacement table, the detection efficiency is low, the labor cost is high, the cover plate conveying process is easy to shake, the imaging quality is influenced, or the manufacturing and assembling precision is high, the debugging is difficult, the cost is high, the adjustment and the transmission belt replacement are difficult after the assembly is completed, the readjustment is needed after the replacement, and the equipment maintenance is inconvenient.
For the above reasons, it is necessary to develop an auxiliary device for visual inspection of a cover plate, which has high conveying precision, low cost, high modularization degree, and is easy to adjust and maintain.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide an auxiliary device for visual inspection and a transmission device for visual inspection, which have the advantages of high modularization degree, easy adjustment and maintenance, low manufacturing cost, high transmission precision, simpler assembly and adjustment, etc., in view of the problems in the prior art.
In order to solve the above technical problem, the present invention provides an auxiliary device for visual inspection, including: an imaging unit 1, a light source unit 2, and a transmission unit 3.
The imaging unit 1, further comprising: a camera beam 11, a camera mount 12, a camera mounting plate 13, and a camera 14;
the light source unit 2 further includes: a light source beam 21, a light source bracket 22, a light source mounting plate 23 and a light source 24;
the transmission unit 3 further includes: a power assembly 31, a main transmission assembly 32, a slave transmission assembly 33, a support assembly 34 and a base plate 37;
the camera 14 is connected with the camera mounting plate 13 and is mounted on the camera bracket 12 together, and the camera bracket 12 is mounted on the camera beam 11;
the light source 24 is connected with the light source mounting plate 23 and is jointly mounted on the light source bracket 22, and the light source bracket 22 is mounted on the light source beam 21;
the power assembly 31 is mounted on the bottom plate 37;
the main transmission assembly 32 is mounted on the bottom plate 37;
the driven component 33 and the supporting component 34 are connected together to form a standard module 38 and then connected with the bottom plate 37.
Preferably, the imaging unit 1, further includes: a camera rotary disk 15, a camera vertical frame 16 and a photo frame bearing 17;
the light source unit 2 further includes: a light source rotary disk 25, a light source vertical frame 26 and a light frame bearing 27;
the transmission unit 3 further includes: an encoder assembly 36.
Preferably, the camera beam 11 is connected with the camera rotary disk 15, and the camera rotary disk 15 is mounted on the camera vertical frame 16 through the camera frame bearing 17;
the light source beam 21 is connected with the light source rotary disk 25, and the light source rotary disk 25 is installed on the light source vertical frame 26 through the light frame bearing 27.
Preferably, the power assembly 31 further comprises: the servo motor 311, the motor mounting plate 312, the rib plate 313, the first power pulley 314, the motor mounting base plate 315, the power belt 316 and the second power pulley 317;
the main drive assembly 32 further comprises: a bearing support 321, a driving non-contact gear 322 and a driving shaft 323;
the first power pulley 314 and the second power pulley 317 are connected together by the power belt 316, and transmit power from the servo motor 311 to the main transmission assembly 32 by means of the power belt 316;
the main transmission assembly 32 drives the auxiliary transmission assembly 33 to work.
Preferably, the slave transmission assembly 33 further comprises: a seat plate 331, an end cover 332, a driven non-contact gear 333, a first rotating shaft 334, a transmission belt 335, and a second rotating shaft 336;
the encoder assembly 36 further includes: a coupling 361, an encoder mounting plate 362, an encoder 363, and an encoder base plate 364.
Preferably, the support assembly 34 further comprises: a support adapter plate 341, a belt support base 342, an adjusting block 343, a support roller 344 and a support screw 345;
the supporting roller 344 is connected with the supporting screw 345 and then is mounted on the adjusting block 343; the adjusting block 343 is mounted on the belt supporting seat 342; the height of the support roller 344 is adjusted by the rotation adjusting block 343, so that the driving belt 335 can be brought into contact with the support roller 344.
Preferably, the encoder assembly 36 is mounted on the base plate 37 and is connected to the second shaft 336 through the coupling 361.
Preferably, the imaging unit 1, the light source unit 2 and the transmission unit 3 are fixed in relative position; during detection, the cover plate 35 to be detected moves at a constant speed on the transmission belt 335, the camera 14 and the light source 24 are matched with each other to adjust the angle to collect a complete image of the cover plate 35 to be detected, and then the image is analyzed by using an algorithm.
In order to solve the above technical problem, the present invention further provides a transmission device for visual inspection, including: a power assembly 31, a main transmission assembly 32, a secondary transmission assembly 33, a support assembly 34 and a base plate 37.
The power assembly 31 is mounted on the bottom plate 37;
the main transmission assembly 32 is mounted on the bottom plate 37;
the driven component 33 and the supporting component 34 are connected together to form a standard module 38, and then are connected with the bottom plate 37.
Preferably, the transmission device for visual inspection further comprises: an encoder assembly 36;
the slave transmission assembly 33 further comprises: a seat plate 331, an end cover 332, a driven non-contact gear 333, a first rotating shaft 334, a transmission belt 335, and a second rotating shaft 336;
the encoder assembly 36 further includes: a coupling 361, an encoder mounting plate 362, an encoder 363, and an encoder base plate 364;
the encoder assembly 36 is mounted on the bottom plate 37 and connected to the second shaft 336 through the coupling 361.
Preferably, the power assembly 31 further comprises: the servo motor 311, the motor mounting plate 312, the rib plate 313, the first power pulley 314, the motor mounting base plate 315, the power belt 316 and the second power pulley 317;
the motor mounting plate 312, the rib plate 313 and the motor mounting base plate 315 are connected together and connected with the base plate 37;
the servo motor 311 is connected with the motor mounting plate 312;
the first power pulley 314 is fastened with the output shaft of the servo motor 311;
the second power pulley 317 is fastened with the driving shaft 323 in the main transmission assembly 32;
the first power pulley 314 and the second power pulley 317 are connected together by the power belt 316, and transmit power from the servo motor 311 to the main transmission assembly 32 by means of the power belt 316.
Preferably, the main transmission assembly 32 further comprises: a bearing support 321, a driving non-contact gear 322 and a driving shaft 323;
the driving shaft 323 penetrates the driving non-contact gear 322 and the bearing support 321;
the bearing support 321 is connected with the bottom plate 37;
the second power pulley 317 is connected with the driving shaft 323;
the servo motor 311 drives the main transmission assembly 32 to rotate through the first power pulley 314, the power belt 316 and the second power pulley 317.
Preferably, the end cap 332 is mounted on the seat plate 331;
the first rotating shaft 334 and the second rotating shaft 336 are respectively mounted on the end cover 332 and the seat plate 331 by means of bearings and fixed;
the driven non-contact gear 333 is respectively arranged at the tail parts of the first rotating shaft 334 and the second rotating shaft 336;
the driving belt 335 is respectively installed on the first rotating shaft 334 and the second rotating shaft 336;
the first and second shafts 334, 336 of the slave drive assembly 33 are each cantilevered.
Preferably, the support assembly 34 further comprises: a support adapter plate 341, a belt support base 342, an adjusting block 343, a support roller 344 and a support screw 345;
the supporting roller 344 is connected with the supporting screw 345 and then is mounted on the adjusting block 343; the adjusting block 343 is mounted on the belt supporting seat 342; the height of the supporting roller 344 is adjusted by turning the adjusting block 343, so that the driving belt 335 can be in contact with the supporting roller 344;
the encoder 363 is mounted on the encoder mounting plate 362; the encoder mounting plate 362 is connected with the encoder base plate 364 and then connected with the base plate 37; the coupling 361 connects the second shaft 336 with an output shaft of the encoder 363.
The beneficial effects of the invention include:
1. the auxiliary device has high conveying precision, low cost, high modularization degree and easy adjustment and maintenance.
2. Constitute a transport module from transmission assembly and supporting component, have the whole advantage of changing conveniently, the standardization level is high.
3. The rotating shaft of the driven component is of a cantilever structure, and the belt conveyor has the advantages of low manufacturing cost, high conveying precision, simplicity in assembly and adjustment, convenience in belt replacement and the like.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, it is obvious that the drawings in the following description are only a part of the embodiments or prior art, and other similar or related drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic overall structure diagram of an auxiliary device for visual inspection according to an embodiment of the present invention.
Fig. 2 is a schematic view of an imaging unit of an auxiliary device for visual inspection according to an embodiment of the present invention.
Fig. 3 is a schematic view of a light source unit of an auxiliary device for visual inspection according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a transmission unit of an auxiliary device for visual inspection according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a power assembly of an auxiliary device for visual inspection according to an embodiment of the invention.
Fig. 6 is a schematic structural diagram of a main transmission assembly of an auxiliary device for visual inspection according to an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a slave transmission assembly of an auxiliary device for visual inspection according to an embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a supporting assembly of an auxiliary device for visual inspection according to an embodiment of the present invention.
Fig. 9 is a schematic structural diagram of an encoder assembly of the auxiliary device for visual inspection according to the embodiment of the invention.
Fig. 10 is a schematic diagram illustrating a standard module structure of an auxiliary device for visual inspection according to an embodiment of the present invention.
These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.
Detailed Description
The present invention will be described in detail with reference to examples. The present invention will be described in further detail below to make the objects, aspects and advantages of the present invention clearer and more clear, but the present invention is not limited to these examples.
In an embodiment of the present invention, there is disclosed an auxiliary device for visual inspection, including: an imaging unit 1, a light source unit 2, and a transmission unit 3.
The imaging unit 1, further includes: a camera beam 11, a camera mount 12, a camera mounting plate 13, and a camera 14;
the light source unit 2 further includes: a light source beam 21, a light source bracket 22, a light source mounting plate 23 and a light source 24;
the transmission unit 3 further includes: a power assembly 31, a main transmission assembly 32, a slave transmission assembly 33, a support assembly 34 and a base plate 37;
the camera 14 is connected with the camera mounting plate 13 and is mounted on the camera bracket 12 together, and the camera bracket 12 is mounted on the camera beam 11;
the light source 24 is connected with the light source mounting plate 23 and is mounted on the light source bracket 22 together, and the light source bracket 22 is mounted on the light source beam 21;
the power assembly 31 is mounted on the bottom plate 37;
the main transmission assembly 32 is mounted on the bottom plate 37;
the driven component 33 and the supporting component 34 are connected together to form a standard module 38 and then connected with the bottom plate 37.
Preferably, the imaging unit 1 further includes: a camera rotary disk 15, a camera vertical frame 16 and a photo frame bearing 17;
the light source unit 2 further includes: a light source rotary disk 25, a light source vertical frame 26 and a light frame bearing 27;
the transmission unit 3 further includes: an encoder assembly 36.
Preferably, the camera beam 11 is connected with the camera rotary disk 15, and the camera rotary disk 15 is mounted on the camera vertical frame 16 through the camera frame bearing 17;
the light source beam 21 is connected with the light source rotary disk 25, and the light source rotary disk 25 is installed on the light source vertical frame 26 through the light frame bearing 27.
Preferably, the power assembly 31 further includes: the servo motor 311, the motor mounting plate 312, the rib plate 313, the first power pulley 314, the motor mounting base plate 315, the power belt 316 and the second power pulley 317;
the main drive assembly 32 further comprises: a bearing support 321, a driving non-contact gear 322 and a driving shaft 323;
the first power pulley 314 and the second power pulley 317 are connected together by the power belt 316, and transmit power from the servo motor 311 to the main transmission assembly 32 by means of the power belt 316;
the main transmission assembly 32 drives the auxiliary transmission assembly 33 to work.
Preferably, the slave transmission assembly 33 further comprises: a seat plate 331, an end cover 332, a driven non-contact gear 333, a first rotating shaft 334, a transmission belt 335, and a second rotating shaft 336;
the encoder assembly 36 further includes: a coupling 361, an encoder mounting plate 362, an encoder 363, and an encoder base plate 364.
Preferably, the support assembly 34 further comprises: a support adapter plate 341, a belt support base 342, an adjusting block 343, a support roller 344 and a support screw 345;
the supporting roller 344 is connected with the supporting screw 345 and then is mounted on the adjusting block 343; the adjusting block 343 is mounted on the belt supporting seat 342; the height of the support roller 344 is adjusted by the rotation adjusting block 343, so that the driving belt 335 can be brought into contact with the support roller 344.
Preferably, the encoder assembly 36 is mounted on the base plate 37 and is connected to the second shaft 336 through the coupling 361.
Preferably, the relative positions of the imaging unit 1, the light source unit 2 and the transmission unit 3 are fixed, during detection, the cover plate 35 to be detected moves at a constant speed on the transmission belt 335, the camera 14 and the light source 24 are matched with each other to adjust the angle to collect a complete image of the cover plate 35 to be detected, and then the image is analyzed by using an algorithm.
In another embodiment of the present invention, there is also disclosed a transmission device for visual inspection, including: a power assembly 31, a main transmission assembly 32, a secondary transmission assembly 33, a support assembly 34 and a base plate 37.
The power assembly 31 is mounted on the bottom plate 37;
the main transmission assembly 32 is mounted on the bottom plate 37;
the driven component 33 and the supporting component 34 are connected together to form a standard module 38, and then are connected with the bottom plate 37.
Preferably, the transmission device for visual inspection further comprises: an encoder assembly 36;
the slave transmission assembly 33 further comprises: a seat plate 331, an end cover 332, a driven non-contact gear 333, a first rotating shaft 334, a transmission belt 335, and a second rotating shaft 336;
the encoder assembly 36 further includes: a coupling 361, an encoder mounting plate 362, an encoder 363, and an encoder base plate 364;
the encoder assembly 36 is mounted on the base plate 37 and is connected to the second shaft 336 via the coupling 361.
Preferably, the power assembly 31 further includes: the servo motor 311, the motor mounting plate 312, the rib plate 313, the first power pulley 314, the motor mounting base plate 315, the power belt 316 and the second power pulley 317;
the motor mounting plate 312, the rib plate 313 and the motor mounting bottom plate 315 are connected together and connected with the bottom plate 37;
the servo motor 311 is connected with the motor mounting plate 312;
the first power pulley 314 is fastened with the output shaft of the servo motor 311;
the second power pulley 317 is fastened with a driving shaft 323 in the main transmission assembly 32;
the first power pulley 314 and the second power pulley 317 are connected together by the power belt 316, and transmit power from the servo motor 311 to the main transmission assembly 32 by means of the power belt 316.
Preferably, the main transmission assembly 32 further comprises: a bearing support 321, a driving non-contact gear 322 and a driving shaft 323;
the driving shaft 323 penetrates the driving non-contact gear 322 and the bearing support 321;
the bearing support 321 is connected with the bottom plate 37;
the second power pulley 317 is connected with the driving shaft 323;
the servo motor 311 drives the main transmission assembly 32 to rotate through the first power pulley 314, the power belt 316 and the second power pulley 317.
Preferably, the end cap 332 is mounted on the seat plate 331;
the first rotating shaft 334 and the second rotating shaft 336 are respectively mounted on the end cover 332 and the seat plate 331 by means of bearings and fixed;
the driven non-contact gear 333 is respectively arranged at the tail parts of the first rotating shaft 334 and the second rotating shaft 336;
the driving belt 335 is respectively installed on the first rotating shaft 334 and the second rotating shaft 336;
the first and second shafts 334, 336 of the slave drive assembly 33 are each cantilevered.
Preferably, the support assembly 34 further comprises: a support adapter plate 341, a belt support base 342, an adjusting block 343, a support roller 344 and a support screw 345;
the supporting roller 344 is connected with the supporting screw 345 and then is mounted on the adjusting block 343; the adjusting block 343 is mounted on the belt supporting seat 342; the height of the supporting roller 344 is adjusted by turning the adjusting block 343, so that the driving belt 335 can be in contact with the supporting roller 344;
the encoder 363 is mounted on the encoder mounting plate 362; the encoder mounting plate 362 is connected with the encoder base plate 364 and then connected with the base plate 37; the coupling 361 connects the second shaft 336 with an output shaft of the encoder 363.
In another embodiment of the present invention, as shown in fig. 1, a schematic diagram of an overall structure of an auxiliary device for visual inspection according to an embodiment of the present invention is shown. Wherein, auxiliary device for visual inspection includes: imaging unit 1, light source unit 2, transmission unit 3. The image forming unit 1 is mounted on the base plate 37 in the transfer unit 3 by means of fasteners; the light source unit 2 is mounted on the base plate 37 in the transfer unit 3 by means of fasteners.
Fig. 2 is a schematic diagram of an imaging unit of an auxiliary device for visual inspection according to an embodiment of the present invention. Wherein the imaging unit 1 comprises at least: camera crossbeam 11, camera support 12, camera mounting panel 13, camera 14, camera gyration dish 15, camera erects frame 16, looks frame bearing 17. The camera 14 is attached to the camera mounting plate 13 by means of fasteners and then they are mounted on the camera mount 12 by means of fasteners, the camera mount 12 being mounted on the camera beam 11 by means of fasteners; the camera beam 11 is connected with the camera rotary disk 15 by a fastener, and the camera rotary disk 15 is connected with the camera vertical frame 16 by a fastener after being provided with a camera frame bearing 17.
Fig. 3 is a schematic view of a light source unit of an auxiliary device for visual inspection according to an embodiment of the present invention. Wherein the light source unit 2 includes at least: the device comprises a light source beam 21, a light source bracket 22, a light source mounting plate 23, a light source 24, a light source rotary disk 25, a light source vertical frame 26 and a light frame bearing 27. The light source 24 is connected to the light source mounting plate 23 by means of fasteners and then mounted on the light source bracket 22 by means of fasteners, the light source bracket 22 being mounted on the light source beam 21 by means of fasteners; the light source beam 21 is connected with a light source rotary disk 25 by a fastener, and the light source rotary disk 25 is connected with a light source vertical frame 26 by a fastener after being provided with a light frame bearing 27.
Fig. 4 is a schematic diagram of a transmission unit of an auxiliary device for visual inspection according to an embodiment of the present invention. The transmission unit 3 at least comprises a power assembly 31, a main transmission assembly 32, a secondary transmission assembly 33, a supporting assembly 34, an encoder assembly 36 and a bottom plate 37. The power assembly 31 is mounted on the base plate 37 by means of fasteners; the main drive assembly 32 is mounted on the base plate 37 by fasteners; the driven component 33 and the supporting component 34 are connected together by a fastener to form a standard module 38 which is then connected with the bottom plate 37; the encoder assembly 36 is mounted on the base plate 37 by fasteners and is connected to the second rotating shaft 336 in the slave transmission assembly 33 by a coupler 361; the cover 35 to be tested moves on the drive belt 335 in the slave drive assembly 33. The images of the cover plate 35 to be measured moving from the driving assembly 33 are collected by the cooperation of the camera 14 and the light source 24, and then the images are analyzed by an algorithm, so that the qualified products and the defective products can be sorted out.
Fig. 5 is a schematic structural diagram of a power assembly of an auxiliary device for visual inspection according to an embodiment of the present invention. Wherein, the power assembly 31 in the transmission unit 3 comprises: servo motor 311, motor mounting plate 312, gusset 313, first power pulley 314, motor mounting plate 315, power belt 316, second power pulley 317. The motor mounting plate 312, the rib plate 313 and the motor mounting base plate 315 are connected together by the fastening piece and then connected with the base plate 37; the servo motor 311 is coupled to the motor mounting plate 312 by means of a fastener, the first power pulley 314 is fastened to an output shaft of the servo motor 311, the second power pulley 317 is fastened to a driving shaft 323 in the main transmission assembly 32, and the first power pulley 314 and the second power pulley 317 are coupled together by a power belt 316 and transmit power from the servo motor 311 to the main transmission assembly 32 by means of the power belt 316.
Fig. 6 is a schematic structural diagram of a main transmission assembly of an auxiliary device for visual inspection according to an embodiment of the present invention. Wherein, the main transmission assembly 32 in the transmission unit 3 comprises: bearing support 321, driving non-contact gear 322 and driving shaft 323. The driving shaft 323 penetrates a plurality of driving non-contact gears 322 and bearing supports 321 at corresponding positions, and the driving non-contact gears 322 need to be installed in the same direction. The driving non-contact gear 322 is guaranteed to be equal in height due to the fact that the driving non-contact gear is assembled on the same driving shaft 323. Bearing support 321 is connected to base plate 37 by fasteners. The second power pulley 317 is connected with the driving shaft 323 by a fastener, and the servo motor 311 drives the main transmission assembly 32 to rotate through the first power pulley 314, the power belt 316 and the second power pulley 317.
Fig. 7 is a schematic structural diagram of a slave transmission assembly of an auxiliary device for visual inspection according to an embodiment of the present invention. Wherein, the slave transmission assembly 33 includes: a seat plate 331, an end cover 332, a driven non-contact gear 333, a first rotating shaft 334, a transmission belt 335 and a second rotating shaft 336. The end cap 332 is mounted on the seat plate 331 by means of fasteners; the first rotation shaft 334 is mounted and fixed to the cover 332 and the seat plate 331 by means of bearings; the second rotating shaft 336 is also mounted and fixed on the end cover 332 and the seat plate 331 by means of bearings; the driven non-contact gear 333 is mounted at the rear of the first and second rotating shafts 334 and 336, respectively, by means of fasteners; the driving belt 335 is installed on the first and second rotating shafts 334 and 336, respectively.
The bearings allow the first shaft 334 and the second shaft 336 to be equal in height, ensuring high precision in the transportation of the cover over the drive belt 335. The driving belt 335 is a wearing part and needs to be replaced frequently, the first rotating shaft 334 and the second rotating shaft 336 are designed to be in an overhanging structure, when the belt is replaced, the coupling 361 is firstly loosened and moved to one side of the second rotating shaft 336, so that a gap is formed between the driving assembly 33 and the encoder assembly 36, then the driving belt 335 is taken out from the first rotating shaft 334 and the second rotating shaft 336, and similarly, other belts can also be directly detached from the overhanging rotating shafts. The belt is more convenient to replace, the structure is simpler, the manufacturing and assembling difficulty is reduced, and the cost is further reduced.
Fig. 8 is a schematic structural diagram of a supporting assembly of an auxiliary device for visual inspection according to an embodiment of the present invention. Wherein, the supporting component 34 in the transmission unit 3 comprises: support adapter plate 341, belt supporting seat 342, adjusting block 343, support roller 344, support screw 345. The supporting roller 344 is connected with the supporting screw 345 and then is mounted on the adjusting block 343; the adjusting block 343 is mounted on the belt supporting seat 342 by means of a fastener, and the height of the supporting roller 344 is adjusted by rotating the adjusting block 343 by means of a wrench, so that the transmission belt 335 is in contact with the supporting roller 344 to achieve the purpose of supporting the cover plate to be tested for transmission, wherein the adjusting block 343 is eccentric and the height can be adjusted by rotating the adjusting block 343. The belt support base 342 is mounted on the support adapter plate 341 by means of fasteners.
Fig. 9 is a schematic structural diagram of an encoder assembly of the auxiliary device for visual inspection according to the embodiment of the present invention. The encoder component 36 in the transmission unit 3 includes: shaft coupling 361, encoder mounting plate 362, encoder 363, encoder bottom plate 364. The encoder 363 is mounted on the encoder mounting plate 362 by means of fasteners; the encoder mounting plate 362 is connected to the encoder base plate 364 by a fastener and then to the base plate 37; the coupling 361 connects the second rotating shaft 336 and the output shaft of the encoder 363.
Fig. 10 is a schematic diagram illustrating a standard module structure of an auxiliary device for visual inspection according to an embodiment of the present invention. Wherein the support assembly 34 is connected to the driven assembly 33 by fasteners to form a set of modular blocks 38. When the standard module 38 is replaced, the coupling 361 of the encoder assembly 36 is released, the coupling 361 is moved to one side of the second rotating shaft 336, the fastening screw 381 of the standard module 38 and the base plate 37 is removed, and then the standard module 38 is removed as a whole. When the standard module 38 is mounted, the standard module 38 is first connected to the bottom plate 37 by the fastening screws 381, and then the coupling 361 and the second rotating shaft 336 are connected and screwed, so that the standard module 38 is replaced. In operation, the first power pulley 314 and the second power pulley 317 are coupled together by the power belt 316 and rely on the power belt 316 to transfer power from the servo motor 311 to the main drive assembly 32. The second power pulley 317 is connected with the driving shaft 323 by a fastener, and the servo motor 311 drives the main transmission assembly 32 to rotate through the first power pulley 314, the power belt 316 and the second power pulley 317. The main transmission assembly 32 drives the auxiliary transmission assembly 33 to work, and the bearing of the auxiliary transmission assembly 33 enables the first rotating shaft 334 and the second rotating shaft 336 to be equal in height, so that the cover plate 35 to be tested is guaranteed to be conveyed on the transmission belt 335 at high precision. When the cover plate 35 to be measured smoothly passes through the drawing position, the camera 14 and the light source 24 are matched with each other, the image of the cover plate 35 to be measured moving on the transmission component 33 is collected, and the encoder component 36 and the second rotating shaft 336 synchronously move to provide precise signals for accurately drawing.
Although the present invention has been described with reference to a few embodiments, it should be understood that the present invention is not limited to the above embodiments, but rather, the present invention is not limited to the above embodiments, and those skilled in the art can make various changes and modifications without departing from the scope of the invention.
Claims (9)
1. An assistive device for visual inspection, comprising: an imaging unit (1), a light source unit (2) and a transmission unit (3), characterized in that,
the imaging unit (1) further comprises: the camera comprises a camera beam (11), a camera bracket (12), a camera mounting plate (13) and a camera (14);
the light source unit (2) further comprises: the device comprises a light source beam (21), a light source bracket (22), a light source mounting plate (23) and a light source (24);
the transmission unit (3) further comprising: the power assembly (31), the main transmission assembly (32), the auxiliary transmission assembly (33), the supporting assembly (34) and the bottom plate (37);
the camera (14) is connected with the camera mounting plate (13) and is mounted on the camera bracket (12) together, and the camera bracket (12) is mounted on the camera beam (11);
the light source (24) is connected with the light source mounting plate (23) and is jointly mounted on the light source bracket (22), and the light source bracket (22) is mounted on the light source beam (21);
the power assembly (31) is mounted on the bottom plate (37);
the master transmission assembly (32) and the slave transmission assembly (33) are mounted on the base plate (37) on the same side of the power assembly (31) with respect to the base plate;
the driven component (33) and the supporting component (34) are connected together to form a standard module (38) and then are connected with the bottom plate (37);
the two light source units (2) are respectively arranged on the upper side and the lower side of the bottom plate; the bottom plate is provided with a light hole so that the light source unit on the lower side of the bottom plate can polish the cover plate to be tested;
the light source unit on the upper side of the bottom plate and the imaging unit (1) are positioned on the same side and are used for polishing one side, opposite to the imaging unit (1), of the cover plate to be detected during detection;
the light source unit on the lower side of the bottom plate is positioned on the opposite side of the light source unit on the upper side of the bottom plate and is used for polishing one side, back to the imaging unit (1), of the cover plate to be detected during detection;
the upper side light source is connected with the upper side light source mounting plate and is jointly mounted on an upper side light source bracket which is mounted on an upper side light source cross beam; the lower side light source is connected with the lower side light source mounting plate and is jointly mounted on a lower side light source bracket which is mounted on a lower side light source cross beam;
the rotating shafts of the slave transmission assemblies are all cantilever structures, and each slave transmission assembly (33) comprises: the device comprises a seat plate (331), an end cover (332), a driven non-contact gear (333), a first rotating shaft (334), a transmission belt (335) and a second rotating shaft (336);
wherein the end cap (332) is mounted on the seat plate (331); the first rotating shaft (334) and the second rotating shaft (336) are respectively installed on the end cover (332) and the seat plate (331) by means of bearings and are fixed;
the first rotating shaft (334) and the second rotating shaft (336) are both in cantilever structures, so that a belt can be detached from each suspended rotating shaft; the driven non-contact gear (333) is respectively arranged at the tail parts of the first rotating shaft (334) and the second rotating shaft (336); the transmission belts (335) are respectively arranged on the first rotating shaft (334) and the second rotating shaft (336);
the support assembly (34) comprises: the belt conveyor comprises a support adapter plate (341), a belt support seat (342), an adjusting block (343), a support roller (344) and a support screw (345);
wherein, the supporting roller (344) is connected with the supporting screw (345) and then is installed on the adjusting block (343); the adjusting block (343) is arranged on the belt supporting seat (342); the height of the supporting roller (344) is adjusted through the rotary adjusting block (343), so that the transmission belt (335) can be in contact with the supporting roller (344);
the support adapter plate (341) is L-shaped, the belt support seat (342) is mounted on the long edge of the L-shaped structure of the support adapter plate (341) by a fastener, and the short edge of the L-shaped structure of the support adapter plate (341) is connected to the seat plate (331);
the main transmission assembly (32) comprises: a bearing support (321), a driving non-contact gear (322) and a driving shaft (323); the driving shaft (323) penetrates the driving non-contact gear (322) and the bearing support (321);
the driving non-contact gear (322) is installed in the same direction and is arranged at one end of the driven non-contact gear (333) in the axial direction, the peripheral surface of the driving non-contact gear (322) is in transmission with the axial side surface of the driven non-contact gear (333) to drive the driven non-contact gear (333) at the tail parts of the first rotating shaft (334) and the second rotating shaft (336) to rotate, and therefore the first rotating shaft (334) and the second rotating shaft (336) are driven to rotate;
the transmission unit (3) comprises: an encoder assembly (36); the encoder assembly (36) includes: a coupling (361), an encoder mounting plate (362) and an encoder (363);
when the standard module (38) is replaced, a shaft coupling (361) in the encoder assembly (36) is loosened, the shaft coupling (361) is moved to one side of a second rotating shaft (336), a fastening screw (381) of the standard module (38) and the bottom plate (37) is removed, and then the standard module (38) is integrally removed; when the standard module (38) is installed, the standard module (38) is connected with the bottom plate (37) through the fastening screws (381), then the coupler (361) is connected with the second rotating shaft (336) and screwed, and the standard module (38) is replaced.
2. Auxiliary device for visual inspection according to claim 1,
the imaging unit (1) further comprises: a camera rotary disc (15), a camera vertical frame (16) and a photo frame bearing (17);
two of the light source units (2), each further comprising: the light source rotating disc, the light source vertical frame and the light frame bearing are arranged on the light source rotating disc;
the camera beam (11) is connected with the camera rotary disc (15), and the camera rotary disc (15) is installed on the camera vertical frame (16) through the photo frame bearing (17);
the light source beam (21) is connected with the light source rotary disk (25), and the light source rotary disk (25) is installed on the light source vertical frame (26) through the light frame bearing (27).
3. Auxiliary device for visual inspection according to claim 1,
the power assembly (31) further comprises: the servo motor (311), the motor mounting plate (312), the rib plate (313), the first power pulley (314), the motor mounting base plate (315), the power belt (316) and the second power pulley (317);
the main drive assembly (32) further comprises: a bearing support (321), a driving non-contact gear (322) and a driving shaft (323);
the first power pulley (314) and the second power pulley (317) are connected together by the power belt (316) and transmit power from the servomotor (311) to the main transmission assembly (32) by means of the power belt (316);
the main transmission component (32) drives the auxiliary transmission component (33) to work.
4. Auxiliary device for visual inspection according to claim 1,
the encoder assembly (36) is mounted on the bottom plate (37) and is connected with the second rotating shaft (336) through the coupling (361);
the imaging unit (1), the light source unit (2) and the transmission unit (3) are fixed in relative positions; during detection, the cover plate (35) to be detected moves at a constant speed on the transmission belt (335), the camera (14) and the light source (24) are matched with each other to adjust the angle to collect a complete image of the cover plate (35) to be detected, and then the image is analyzed by using an algorithm.
5. A transport device for visual inspection, comprising: a power component (31), a main transmission component (32), a secondary transmission component (33), a support component (34) and a bottom plate (37),
the power assembly (31) is mounted on the bottom plate (37);
the main transmission assembly (32) and the auxiliary transmission assembly (33) are mounted on the base plate (37) and are positioned on the same side of the power assembly (31) relative to the base plate;
the driven transmission component (33) is connected with the supporting component (34) to form a standard module (38) which is then connected with the bottom plate (37);
wherein the slave transmission assembly (33) comprises: the device comprises a seat plate (331), an end cover (332), a driven non-contact gear (333), a first rotating shaft (334), a transmission belt (335) and a second rotating shaft (336);
wherein the end cap (332) is mounted on the seat plate (331); the first rotating shaft (334) and the second rotating shaft (336) are respectively installed on the end cover (332) and the seat plate (331) by means of bearings and are fixed; the first rotating shaft (334) and the second rotating shaft (336) are both in cantilever structures, so that a belt can be detached from each suspended rotating shaft;
the driven non-contact gear (333) is respectively arranged at the tail parts of the first rotating shaft (334) and the second rotating shaft (336);
the transmission belts (335) are respectively arranged on the first rotating shaft (334) and the second rotating shaft (336);
the support assembly (34) comprises: the belt conveyor comprises a support adapter plate (341), a belt support seat (342), an adjusting block (343), a support roller (344) and a support screw (345);
wherein, the supporting roller (344) is connected with the supporting screw (345) and then is installed on the adjusting block (343); the adjusting block (343) is arranged on the belt supporting seat (342); the height of the supporting roller (344) is adjusted through the rotary adjusting block (343), so that the transmission belt (335) can be in contact with the supporting roller (344);
the support adapter plate (341) is L-shaped, the belt support seat (342) is mounted on the long edge of the L-shaped structure of the support adapter plate (341) by a fastener, and the short edge of the L-shaped structure of the support adapter plate (341) is connected to the seat plate (331);
the main transmission assembly (32) comprises: a bearing support (321), a driving non-contact gear (322) and a driving shaft (323); the driving shaft (323) penetrates the driving non-contact gear (322) and the bearing support (321);
the driving non-contact gear (322) is installed in the same direction and is arranged at one end of the driven non-contact gear (333) in the axial direction, the peripheral surface of the driving non-contact gear (322) is in transmission with the axial side surface of the driven non-contact gear (333) to drive the driven non-contact gear (333) at the tail parts of the first rotating shaft (334) and the second rotating shaft (336) to rotate, and therefore the first rotating shaft (334) and the second rotating shaft (336) are driven to rotate;
the transmission device for visual inspection includes: an encoder assembly (36); the encoder assembly (36) further comprises: a coupling (361), an encoder mounting plate (362) and an encoder (363);
when the standard module (38) is replaced, the coupling (361) in the encoder assembly (36) is loosened, the coupling (361) is moved to one side of the second rotating shaft (336), the fastening screw (381) of the standard module (38) and the base plate (37) is removed, and then the standard module (38) is integrally removed; when the standard module (38) is installed, the standard module (38) is connected with the bottom plate (37) through the fastening screws (381), then the coupler (361) is connected with the second rotating shaft (336) and screwed, and the standard module (38) is replaced.
6. The transport device for visual inspection according to claim 5,
the power assembly (31) further comprises: the servo motor (311), the motor mounting plate (312), the rib plate (313), the first power pulley (314), the motor mounting base plate (315), the power belt (316) and the second power pulley (317);
the motor mounting plate (312), the rib plate (313) and the motor mounting bottom plate (315) are connected together and are connected with the bottom plate (37);
the servo motor (311) is connected with the motor mounting plate (312);
the first power belt pulley (314) is fastened with an output shaft of the servo motor (311);
the second power pulley (317) is fastened with a driving shaft (323) in the main transmission assembly (32);
the first power pulley (314) and the second power pulley (317) are connected together by the power belt (316) and rely on the power belt (316) to transmit power from the servo motor (311) to the main drive assembly (32).
7. The transport device for visual inspection according to claim 6,
the bearing support (321) is connected with the bottom plate (37);
the second power belt pulley (317) is connected with the driving shaft (323);
the servo motor (311) drives the main transmission component (32) to rotate through the first power belt pulley (314), the power belt (316) and the second power belt pulley (317).
8. The transport device for visual inspection according to claim 5,
the supporting roller (344) is connected with the supporting screw (345) and then is installed on the adjusting block (343); the adjusting block (343) is mounted on the belt supporting seat (342); the height of the supporting roller (344) is adjusted by turning the adjusting block (343), so that the transmission belt (335) can be in contact with the supporting roller (344).
9. The transport device for visual inspection according to claim 5,
the encoder assembly (36) is mounted on the bottom plate (37) and is connected with the second rotating shaft (336) through the coupling (361);
the encoder (363) is mounted on the encoder mounting plate (362); the encoder mounting plate (362) is connected with the encoder bottom plate (364) and then connected with the bottom plate (37); the coupling (361) connects the second rotating shaft (336) and the output shaft of the encoder (363).
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