CN109580644B - Visual inspection equipment for automobile parts - Google Patents

Visual inspection equipment for automobile parts Download PDF

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CN109580644B
CN109580644B CN201811541598.XA CN201811541598A CN109580644B CN 109580644 B CN109580644 B CN 109580644B CN 201811541598 A CN201811541598 A CN 201811541598A CN 109580644 B CN109580644 B CN 109580644B
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hydraulic push
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CN109580644A (en
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范建明
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Hainan Lianxin Technology Co.,Ltd.
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Hainan Lianxin Technology Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination

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Abstract

The invention relates to the technical field of automobile parts, in particular to a visual detection device for the automobile parts, which comprises a detection platform, wherein an operation panel is embedded in the center of the front surface of the detection platform, triangular through holes symmetrically penetrate through the four corners of the top of the detection platform, right-angle fixing plates are matched with the two sides of the right-angle inner wall of each triangular through hole, the top and the bottom of each right-angle fixing plate respectively penetrate through and extend to the top and the bottom of the detection platform, triangular supporting columns are arranged in the inner cavities of the triangular through holes in a penetrating mode, first sliding rails are arranged in the centers of the two right-angle side walls of each triangular supporting column, the inner cavities of the first sliding rails are connected with the inner walls of the right-angle fixing plates in a sliding mode through first electric sliding blocks, and the bottoms of the triangular supporting columns penetrate and extend to the lower portion of the detection platform; the invention can effectively overcome the defects of low efficiency and low safety caused by the fact that the traditional solar photovoltaic cell surface cleaning needs to be carried out manually in the prior art.

Description

Visual inspection equipment for automobile parts
Technical Field
The invention relates to the technical field of automobile parts, in particular to visual detection equipment for the automobile parts.
Background
Visual inspection is to use a robot to replace human eyes for measurement and judgment. The visual detection means that a machine vision product (namely an image shooting device which is divided into a CMOS (complementary metal oxide semiconductor) product and a CCD (charge coupled device) product) converts a shot target into an image signal, transmits the image signal to a special image processing system, and converts the image signal into a digital signal according to information such as pixel distribution, brightness, color and the like; the image system performs various operations on these signals to extract the features of the target and then controls the operation of the equipment on site according to the result of the discrimination, is a valuable mechanism for production, assembly or packaging, and has immeasurable value in the function of detecting defects and preventing defective products from being distributed to consumers.
The machine vision detection is characterized by improving the flexibility and the automation degree of production. In some dangerous working environments which are not suitable for manual operation or occasions which are difficult for manual vision to meet the requirements, machine vision is commonly used to replace the manual vision; meanwhile, in the process of mass industrial production, the efficiency of checking the product quality by using manual vision is low, the precision is not high, and the production efficiency and the automation degree of production can be greatly improved by using a machine vision detection method. And the machine vision is easy to realize information integration, and is a basic technology for realizing computer integrated manufacturing.
In foreign countries, the popularity of machine vision is mainly reflected in the semiconductor and electronic industries, and approximately 40% -50% of them are concentrated in the semiconductor industry. Specifically, the PCB printed circuit: various techniques and equipment for producing printed circuit boards; single, double-sided, multi-layer circuit board, copper-clad plate and required materials and auxiliary materials; auxiliary facilities, consumables, ink, liquid medicine and accessories; electronic packaging techniques and equipment; screen printing equipment, screen peripheral materials and the like. SMT surface mounting: SMT technology and equipment, welding equipment, test instruments, repair equipment, various auxiliary tools and accessories, SMT materials, sticking tablets, adhesives, welding flux, anti-oxidation oil, soldering paste, cleaning agents and the like; reflow machine, crest welder and automatic production line equipment. Electronic production processing equipment: electronic component manufacturing equipment, semiconductor and integrated circuit manufacturing equipment, component molding equipment and electronic tools and dies. Machine vision systems have also found widespread use in various aspects of quality testing, and their products have taken a significant position in application. In addition, machine vision is used in various other fields.
At present, with the development of economy, automobiles are also more and more widely used as transportation tools. In the automobile manufacturing process, there are numerous automobile parts to assemble and form, and the product has multiple technical indicator to influence the quality of product, detects like the end circle mill flour angle (mill flour angle need be in certain extent) at spring both ends, end gesture (whether have flat head hook or expand outward), end circle gesture (whether have the chamfer to bump), terminal surface state (whether have the nose that sticks up) etc.. However, the corresponding defects may be undetected due to human negligence in manual visual inspection, and finally, the defective products flow out of a factory, so that the engine cannot be installed in the assembling process, or the engine is seriously or is in failure in operation.
Therefore, it is necessary to design a device for detecting automobile parts by a visual detection device, so as to further improve the working efficiency and the working safety.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects in the prior art, the invention provides visual detection equipment for automobile parts, which can effectively overcome the defects of low efficiency and low safety caused by the fact that the surface of the traditional solar photovoltaic cell needs to be cleaned manually in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
the visual inspection equipment for the automobile parts comprises an inspection platform, wherein an operation panel is embedded in the center of the front surface of the inspection platform, triangular through holes are symmetrically arranged in the four corners of the top of the inspection platform in a penetrating manner, right-angle fixing plates are arranged on the two sides of the right-angle inner wall of each triangular through hole in a matching manner, the top and the bottom of each right-angle fixing plate respectively extend to the top and the bottom of the inspection platform in a penetrating manner, triangular supporting columns are arranged in the inner cavities of the triangular through holes in a penetrating manner in a matching manner, first sliding rails are arranged in the centers of the two right-angle side walls of the triangular supporting columns, the inner cavities of the first sliding rails are connected with the inner walls of the right-angle fixing plates in a sliding manner through first electric sliding blocks, the bottoms of the triangular supporting columns extend to the lower side of the inspection platform in a penetrating manner, brake universal wheels are fixedly connected to the bottom ends of the triangular supporting columns, and the top of the triangular supporting columns extend to the upper side of the inspection platform, a top seat is fixedly supported at the top of the triangular support columns at the four sides, a second slide rail is arranged at the center of the upper part of the opposite surface of the triangular support column at the four sides, a second electric slide block is slidably clamped in the inner cavity of the second slide rail, a slide ring is fixedly connected with the opposite surface of the second electric slide block at the four sides, the slide ring slides between the top seat and the detection platform through the second electric slide block, a third slide rail penetrates through the center of the top of the slide ring, the third slide rail penetrates through and extends to the bottom of the slide ring, and a C-shaped third electric slide block is slidably clamped in the inner cavity of the third slide rail;
the side wall of the third electric sliding block is opposite to the inner wall of the sliding ring, the side wall of the third electric sliding block is connected with a fixed seat, a rotary connector is arranged in the center of the side wall of the fixed seat, a first electric-hydraulic push rod is fixed in the center of the side wall of the rotary connector, the end part of the first electric-hydraulic push rod is connected with a fixed sleeve, and the inner cavity of the fixed sleeve is detachably connected with a CCD camera;
the center of the left side of the top seat is provided with a storage battery groove, the center of the inner wall of the top seat is provided with shadowless lamps in a rectangular array shape at uniform intervals, and the shadowless lamps are electrically connected with the storage battery groove;
a square groove is formed in the center of the top of the detection platform, second electro-hydraulic push rods distributed in an array shape are uniformly arranged at the bottom of an inner cavity of the square groove at intervals, a vacuum generator is arranged at the top of each second electro-hydraulic push rod, and a vacuum sucker is connected to an outlet in the top of the vacuum generator;
the output ends of the operation panel and the CCD camera are electrically connected with an information processing unit, the output end of the information processing unit is electrically connected with an ARM processor, the input end of the ARM processor is electrically connected with a spare and accessory part database and a feature extraction unit, the output end of the ARM processor is electrically connected with a driving unit and a comparison display unit, the output end of the driving unit is respectively and electrically connected with a dimmer, a vacuum generator, a first electro-hydraulic push rod, a second electro-hydraulic push rod, a rotary connector, a first electric slide block, a second electric slide block and a third electric slide block, and the output end of the dimmer is electrically connected with the input end of the shadowless lamp;
the information processing unit comprises an array setting unit, a light control unit, an image acquisition unit and an auxiliary support unit;
the array setting unit controls the starting number of the shadowless lamps through the types of the accessories input by the operation panel, and the array setting of the shadowless lamps for starting extends from the center to the periphery; the light control unit analyzes the light intensity of the shadowless lamp through the image quality transmitted by the CCD camera and transmits the adjusting result of the shadowless lamp to the ARM processor; the image acquisition unit acquires information through an image shot in the CCD camera; the auxiliary supporting unit analyzes the supporting surface required by the parts through the type and size of the parts input by the operation panel, calculates the number and range of the required second electro-hydraulic push rods, and transmits the calculation result to the ARM processor.
Preferably, the parts database is used for storing information of various automobile parts, the feature extraction unit is used for extracting image information collected by the image collection unit, and the comparison display unit is used for comparing the information in the feature extraction unit and the parts database and displaying a final comparison result on the operation panel.
Preferably, the dimmer adjusts the effective current value of the shadowless lamp through information transmitted by the lamp control unit so as to control the brightness of the shadowless lamp.
Preferably, the ARM processor transmits information to the terminal equipment through the wireless transmission module so as to perform manual control.
(III) advantageous effects
Compared with the prior art, the visual detection equipment for the automobile parts, which is provided by the invention, adopts a mode of combining multiple functions to design the novel visual detection equipment for the automobile parts, and the conditions that the surface cleaning of the traditional solar photovoltaic cell needs to be carried out manually at present, the efficiency is low and the safety is low are abandoned, and the visual detection equipment has the beneficial effects that:
1. according to the invention, the triangular through holes symmetrically penetrate through the four corners at the top of the detection platform and extend to the bottom of the detection platform, the right-angle fixing plates are fixed on the two right-angle inner walls of the triangular through holes, and the detection platform is driven by the right-angle fixing plates and the first electric slide block to slide up and down in the first slide rail on the surface of the triangular support column, so that automobile parts to be detected can be taken or placed conveniently;
2. according to the invention, the upper part of the inner surface of the triangular support column is provided with the second slide rail, the inner cavity of the second slide rail is slidably clamped with the second electric slide block, the second electric slide block is provided with the slide ring, the top and the bottom of the slide ring are provided with the third slide rail in a penetrating manner, the third slide rail is internally provided with the third electric slide block, the third electric slide block is fixedly provided with the fixed seat, the rotary connector, the first electric-hydraulic push rod and the fixed sleeve, and the fixed sleeve is fixedly provided with the CCD camera, so that the CCD camera can move in multiple directions up and down and left and right, and the images of parts and parts at different angles can be conveniently shot;
3. the top seat is arranged at the top of the triangular support, the battery groove is arranged in the center of the left side of the top seat, the shadowless lamps are uniformly arranged in a rectangular array shape in the center of the inner wall of the top seat at intervals, the shadowless lamps are electrically connected with the battery groove, power supply is facilitated, the shadows generated during shooting can be reduced by the shadowless lamps, and the definition of image quality is improved;
4. the center of the top of the detection platform is provided with a square groove, the bottoms of inner cavities of the square groove are uniformly provided with second electro-hydraulic push rods distributed in an array shape at intervals, the top of each second electro-hydraulic push rod is connected with a vacuum chuck through a top outlet of a vacuum generator, parts with different shapes and sizes can be fixed on the top of each second electro-hydraulic push rod, and the height or the gradient of the parts can be properly adjusted through the second electro-hydraulic push rods so as to shoot and extract local features;
5. the array setting unit controls the starting number of the shadowless lamps through the types of the spare parts input by the operation panel, the array setting of the shadowless lamps for starting extends from the center to the periphery, and the size of the spare parts determines the size of the array area; the light control unit analyzes the light intensity of the shadowless lamp through the image quality transmitted by the CCD camera and transmits the adjusting result of the shadowless lamp to the ARM processor, and the light modulator adjusts the current effective value of the shadowless lamp through the information transmitted by the light control unit so as to control the brightness of the shadowless lamp; the image acquisition unit acquires information through an image shot in the CCD camera; the auxiliary supporting unit analyzes the supporting surface required by the parts through the type and size of the parts input by the operation panel, calculates the number and range of the required second electro-hydraulic push rods, and transmits the calculation result to the ARM processor;
6. the part database is used for storing information of various automobile parts, the feature extraction unit is used for extracting image information acquired in the image acquisition unit, and the comparison display unit is used for comparing the information in the feature extraction unit and the part database and displaying a final comparison result on the operation panel;
7. the ARM processor transmits information to the terminal equipment through the wireless transmission module so as to be manually controlled, and data input by the operation panel is further processed through images acquired by the CCD camera after being processed by the ARM processor, so that a feedback system is formed, and each unit can be conveniently adjusted in real time so as to accurately confirm the information of the spare and accessory parts.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial block diagram of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a diagram of the structure of the inspection platform of the present invention;
FIG. 5 is a block diagram of the module relationship of the present invention;
FIG. 6 is a block diagram of an information processing unit according to the present invention;
in the figure:
1. a detection platform; 2. a first slide rail; 3. a triangular through hole; 4. a triangular pillar; 5. a right-angle fixing plate; 6. an operation panel; 7. braking the universal wheel; 8. a triangular through hole; 9. a slip ring; 10. a third slide rail; 11. a second slide rail; 12. a second electric slider; 13. a third electric slider; 14. a rotary connector; 15. a fixed seat; 16. a first electro-hydraulic push rod; 17. fixing a sleeve; 18. a CCD camera; 19. a battery cell; 20. a shadowless lamp; 21. a square groove; 22. a second electro-hydraulic push rod; 23. a vacuum generator; 24. a vacuum chuck; 25. an information processing unit; 26. a parts database; 27. an ARM processor; 28. a feature extraction unit; 29. a drive unit; 30. a dimmer; 31. a first electric slider; 32. a comparison display unit; 33. a light control unit; 34. an image acquisition unit; 35. an auxiliary support unit; 36. an array setting unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A visual inspection device for automobile parts is disclosed, as shown in figures 1-6, comprising a detection platform 1, an operation panel 6 is embedded in the center of the front surface of the detection platform 1, triangular through holes 8 are symmetrically arranged at the four corners of the top of the detection platform 1 in a penetrating manner, right-angle fixing plates 5 are arranged on the two sides of the right-angle inner walls of the triangular through holes 8 in a matching manner, the top and the bottom of each right-angle fixing plate 5 are respectively extended to the top and the bottom of the detection platform 1 in a penetrating manner, triangular support posts 4 are arranged in the inner cavities of the triangular through holes 8 in a penetrating manner, first slide rails 2 are arranged at the centers of the two right-angle side walls of the triangular support posts 4, the inner cavities of the first slide rails 2 are connected with the inner walls of the right-angle fixing plates 5 in a sliding manner through first electric slide blocks 31, the bottoms of the triangular support posts 4 are extended to the lower part of the detection platform 1, brake universal wheels 7 are fixedly connected to the bottom ends of the triangular support posts 4, the top of the triangular support posts 4 is extended to the upper part of the detection platform 1, a top seat 3 is fixedly supported at the top of the four-side triangular support column 4, a second slide rail 11 is arranged at the center of the upper part of the opposite surface of the four-side triangular support column 4, a second electric slide block 12 is slidably clamped in the inner cavity of the second slide rail 11, a slide ring 9 is fixedly connected with the opposite surface of the four-side second electric slide block 12, the slide ring 9 slides between the top seat 3 and the detection platform 1 through the second electric slide block 12, a third slide rail 10 penetrates through the center of the top of the slide ring 9, the third slide rail 10 penetrates through and extends to the bottom of the slide ring 9, and a third electric slide block 13 which is arranged in a C shape is slidably clamped in the inner cavity of the third slide rail 10;
the side wall of the third electric sliding block 13 is arranged opposite to the inner wall of the sliding ring 9, the side wall of the third electric sliding block 13 is connected with a fixed seat 15, a rotary connector 14 is arranged in the center of the side wall of the fixed seat 15, a first electric-hydraulic push rod 16 is fixed in the center of the side wall of the rotary connector 14, the end part of the first electric-hydraulic push rod 16 is connected with a fixed sleeve 17, and the inner cavity of the fixed sleeve 17 is detachably connected with a CCD camera 18;
a storage battery groove 19 is formed in the center of the left side of the top base 3, shadowless lamps 20 are uniformly arranged in a rectangular array shape in the center of the inner wall of the top base 3 at intervals, and the shadowless lamps 20 are electrically connected with the storage battery groove 19;
a square groove 21 is formed in the center of the top of the detection platform 1, second electro-hydraulic push rods 22 distributed in an array shape are uniformly arranged at the bottom of an inner cavity of the square groove 21 at intervals, a vacuum generator 23 is arranged at the top of each second electro-hydraulic push rod 22, and a vacuum sucker 24 is connected to an outlet in the top of each vacuum generator 23;
the output ends of the operation panel 6 and the CCD camera 18 are electrically connected with an information processing unit 25, the output end of the information processing unit 25 is electrically connected with an ARM processor 27, the input end of the ARM processor 27 is electrically connected with a spare and accessory part database 26 and a feature extraction unit 28, the output end of the ARM processor 27 is electrically connected with a driving unit 29 and a comparison display unit 32, the output end of the driving unit 29 is electrically connected with a dimmer 30, a vacuum generator 23, a first electro-hydraulic push rod 16, a second electro-hydraulic push rod 22, a rotary connector 14, a first electric slider 31, a second electric slider 12 and a third electric slider 13, and the output end of the dimmer 30 is electrically connected with the input end of the shadowless lamp 20;
the information processing unit 25 includes an array setting unit 36, a light control unit 33, an image acquisition unit 34, and an auxiliary support unit 35;
the array setting unit 36 controls the number of the shadowless lamps 20 to be turned on through the types of the parts input by the operation panel 6, and the array setting of the shadowless lamps 20 to be turned on extends from the center to the periphery; the light control unit 33 analyzes the light intensity of the shadowless lamp 20 through the image quality transmitted by the CCD camera 18, and transmits the adjustment result of the shadowless lamp 20 to the ARM processor 27; the image acquisition unit 34 performs information acquisition through an image photographed in the CCD camera 18; the auxiliary supporting unit 35 analyzes the supporting surface required by the parts through the type and size of the parts input by the operation panel 6, calculates the number and range of the required second electro-hydraulic push rods 22, and transmits the calculation result to the ARM processor 27.
The parts database 26 is used for storing information of various automobile parts, the feature extraction unit 28 is used for extracting image information acquired in the image acquisition unit 34, and the comparison display unit 32 is used for comparing the information in the feature extraction unit 28 and the parts database 26 and displaying the final comparison result on the operation panel 6.
The dimmer 30 adjusts the effective value of the current of the shadowless lamp 20 through the information transmitted by the lamp control unit 33 so as to control the brightness of the shadowless lamp 20.
The ARM processor 27 transmits information to the terminal device through the wireless transmission module for human control.
The invention provides a novel visual detection device for automobile parts, which is designed in a mode of combining multiple functions, and the visual detection device for automobile parts abandons the conditions that the surface cleaning of the traditional solar photovoltaic cell needs to be carried out manually, the efficiency is low and the safety is low at present, and has the beneficial effects that:
1. according to the invention, the triangular through holes symmetrically penetrate through the four corners at the top of the detection platform and extend to the bottom of the detection platform, the right-angle fixing plates are fixed on the two right-angle inner walls of the triangular through holes, and the detection platform is driven by the right-angle fixing plates and the first electric slide block to slide up and down in the first slide rail on the surface of the triangular support column, so that automobile parts to be detected can be taken or placed conveniently;
2. according to the invention, the upper part of the inner surface of the triangular support column is provided with the second slide rail, the inner cavity of the second slide rail is slidably clamped with the second electric slide block, the second electric slide block is provided with the slide ring, the top and the bottom of the slide ring are provided with the third slide rail in a penetrating manner, the third slide rail is internally provided with the third electric slide block, the third electric slide block is fixedly provided with the fixed seat, the rotary connector, the first electric-hydraulic push rod and the fixed sleeve, and the fixed sleeve is fixedly provided with the CCD camera, so that the CCD camera can move in multiple directions up and down and left and right, and the images of parts and parts at different angles can be conveniently shot;
3. the top seat is arranged at the top of the triangular support, the battery groove is arranged in the center of the left side of the top seat, the shadowless lamps are uniformly arranged in a rectangular array shape in the center of the inner wall of the top seat at intervals, the shadowless lamps are electrically connected with the battery groove, power supply is facilitated, the shadows generated during shooting can be reduced by the shadowless lamps, and the definition of image quality is improved;
4. the center of the top of the detection platform is provided with a square groove, the bottoms of inner cavities of the square groove are uniformly provided with second electro-hydraulic push rods distributed in an array shape at intervals, the top of each second electro-hydraulic push rod is connected with a vacuum chuck through a top outlet of a vacuum generator, parts with different shapes and sizes can be fixed on the top of each second electro-hydraulic push rod, and the height or the gradient of the parts can be properly adjusted through the second electro-hydraulic push rods so as to shoot and extract local features;
5. the array setting unit controls the starting number of the shadowless lamps through the types of the spare parts input by the operation panel, the array setting of the shadowless lamps for starting extends from the center to the periphery, and the size of the spare parts determines the size of the array area; the light control unit analyzes the light intensity of the shadowless lamp through the image quality transmitted by the CCD camera and transmits the adjusting result of the shadowless lamp to the ARM processor, and the light modulator adjusts the current effective value of the shadowless lamp through the information transmitted by the light control unit so as to control the brightness of the shadowless lamp; the image acquisition unit acquires information through an image shot in the CCD camera; the auxiliary supporting unit analyzes the supporting surface required by the parts through the type and size of the parts input by the operation panel, calculates the number and range of the required second electro-hydraulic push rods, and transmits the calculation result to the ARM processor;
6. the part database is used for storing information of various automobile parts, the feature extraction unit is used for extracting image information acquired in the image acquisition unit, and the comparison display unit is used for comparing the information in the feature extraction unit and the part database and displaying a final comparison result on the operation panel;
7. the ARM processor transmits information to the terminal equipment through the wireless transmission module so as to be manually controlled, and data input by the operation panel is further processed through images acquired by the CCD camera after being processed by the ARM processor, so that a feedback system is formed, and each unit can be conveniently adjusted in real time so as to accurately confirm the information of the spare and accessory parts.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims (4)

1. The utility model provides a visual inspection equipment of automobile parts which characterized in that: including testing platform (1), operating panel (6) have been inlayed to testing platform (1)'s front surface central authorities, the equal symmetry in top four corners of testing platform (1) is run through and is equipped with triangle-shaped through-hole (8), the supporting right angle fixed plate (5) that is equipped with in right angle inner wall both sides of triangle-shaped through-hole (8), the top and the bottom of right angle fixed plate (5) run through respectively and extend to testing platform (1)'s top and bottom, the inner chamber cooperation of triangle-shaped through-hole (8) is run through and is equipped with triangle-shaped pillar (4), two right angle lateral wall centers of triangle-shaped pillar (4) all are equipped with first slide rail (2), the inner chamber of first slide rail (2) passes through the inner wall sliding connection of first electronic slider (31) and right angle fixed plate (5), the bottom of triangle-shaped pillar (4) runs through and extends to testing platform (1)'s below, the bottom end of the triangular support column (4) is fixedly connected with a brake universal wheel (7), the top of the triangular support column (4) penetrates and extends to the upper part of the detection platform (1), the top of the triangular support columns (4) at the four sides is fixedly supported with a top seat (3), the centers of the upper parts of the opposite surfaces of the triangular support columns (4) at the four sides are provided with second slide rails (11), a second electric slide block (12) is clamped in the inner cavity of the second slide rail (11) in a sliding way, the opposite surfaces of the second electric slide blocks (12) at the four sides are fixedly connected with a slide ring (9), the sliding ring (9) slides between the top seat (3) and the detection platform (1) through a second electric sliding block (12), a third sliding rail (10) penetrates through the center of the top of the sliding ring (9), the third sliding rail (10) penetrates and extends to the bottom of the sliding ring (9), a third electric slide block (13) which is arranged in a C shape is slidably clamped in the inner cavity of the third slide rail (10);
the side wall of the third electric sliding block (13) is opposite to the inner wall of the sliding ring (9), the side wall of the third electric sliding block (13) is connected with a fixed seat (15), a rotary connector (14) is arranged in the center of the side wall of the fixed seat (15), a first electric-hydraulic push rod (16) is fixed in the center of the side wall of the rotary connector (14), the end part of the first electric-hydraulic push rod (16) is connected with a fixed sleeve (17), and the inner cavity of the fixed sleeve (17) is detachably connected with a CCD camera (18);
a storage battery groove (19) is formed in the center of the left side of the top base (3), shadowless lamps (20) are uniformly arranged in a rectangular array shape in the center of the inner wall of the top base (3) at intervals, and the shadowless lamps (20) are electrically connected with the storage battery groove (19);
a square groove (21) is formed in the center of the top of the detection platform (1), second electro-hydraulic push rods (22) distributed in an array shape are uniformly arranged at the bottom of an inner cavity of the square groove (21) at intervals, a vacuum generator (23) is arranged at the top of each second electro-hydraulic push rod (22), and a vacuum sucker (24) is connected to an outlet in the top of each vacuum generator (23);
the output ends of the operation panel (6) and the CCD camera (18) are electrically connected with an information processing unit (25), the output end of the information processing unit (25) is electrically connected with an ARM processor (27), the input end of the ARM processor (27) is electrically connected with a spare and accessory part database (26) and a feature extraction unit (28), the output end of the ARM processor (27) is electrically connected with a driving unit (29) and a comparison display unit (32), the output end of the driving unit (29) is respectively and electrically connected with a dimmer (30), a vacuum generator (23), a first electro-hydraulic push rod (16), a second electro-hydraulic push rod (22), a rotary connector (14), a first electric slide block (31), a second electric slide block (12) and a third electric slide block (13), the output end of the dimmer (30) is electrically connected with the input end of the shadowless lamp (20);
the information processing unit (25) comprises an array setting unit (36), a light control unit (33), an image acquisition unit (34) and an auxiliary supporting unit (35);
the array setting unit (36) controls the number of the started shadowless lamps (20) through the types of the parts input by the operation panel (6), and the array setting of the started shadowless lamps (20) extends from the center to the periphery; the light control unit (33) analyzes the light intensity of the shadowless lamp (20) through the image quality transmitted by the CCD camera (18), and transmits the adjusting result of the shadowless lamp (20) to the ARM processor (27); the image acquisition unit (34) acquires information through an image shot in the CCD camera (18); the auxiliary supporting unit (35) analyzes the supporting surface required by the parts through the type and size of the parts input by the operation panel (6), calculates the number and range of the required second electro-hydraulic push rods (22), and transmits the calculation result to the ARM processor (27).
2. The visual inspection apparatus for automobile parts according to claim 1, wherein: the spare and accessory part database (26) is used for storing information of various automobile spare and accessory parts, the feature extraction unit (28) is used for extracting image information collected in the image collection unit (34), and the comparison display unit (32) is used for comparing information in the feature extraction unit (28) and the spare and accessory part database (26) and displaying a final comparison result on the operation panel (6).
3. The visual inspection apparatus for automobile parts according to claim 1, wherein: the dimmer (30) adjusts the effective current value of the shadowless lamp (20) through information transmitted by the lamp light control unit (33) so as to control the brightness of the shadowless lamp (20).
4. The visual inspection apparatus for automobile parts according to claim 1, wherein: the ARM processor (27) transmits information to the terminal equipment through the wireless transmission module so as to carry out manual control.
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