CN114527125A - Intelligent detection device based on machine vision - Google Patents

Intelligent detection device based on machine vision Download PDF

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Publication number
CN114527125A
CN114527125A CN202210130202.2A CN202210130202A CN114527125A CN 114527125 A CN114527125 A CN 114527125A CN 202210130202 A CN202210130202 A CN 202210130202A CN 114527125 A CN114527125 A CN 114527125A
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China
Prior art keywords
rod
base
friction wheel
detection device
nut
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Pending
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CN202210130202.2A
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Chinese (zh)
Inventor
卢鑫
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Shenzhen Institute of Information Technology
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Shenzhen Institute of Information Technology
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Priority to CN202210130202.2A priority Critical patent/CN114527125A/en
Publication of CN114527125A publication Critical patent/CN114527125A/en
Pending legal-status Critical Current

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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
    • 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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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

The utility model provides an intelligent detection device based on machine vision, the on-line screen storage device comprises a base, be equipped with two chains on the base, the both ends of chain are equipped with the sprocket respectively, the sprocket rotates through one-way bearing and installs on the base, two chains are connected through the several diaphragm, be equipped with the preformed hole on the diaphragm, preformed hole internal rotation installation axis of rotation, the platform is placed to the outer end fixed mounting of axis of rotation, fixed mounting electric putter on the base, one side of first horizontal pole is equipped with the second horizontal pole, second toper friction pulley can be one by one with second horizontal pole frictional contact cooperation, be equipped with the adjusting device who adjusts first horizontal pole and second horizontal pole height on the base. The invention has simple structure and ingenious conception, can lead the camera and the detected object to move synchronously, thereby improving the detection accuracy, can adjust the moving range of the camera according to the height of the detected object, thereby being capable of detecting the objects with different heights, and the placing table moves intermittently, thereby being convenient for placing the objects, meeting the actual requirements and being suitable for popularization.

Description

Intelligent detection device based on machine vision
Technical Field
The invention belongs to the field of machine vision detection, and particularly relates to an intelligent detection device based on machine vision.
Background
Along with the advance of science and technology, a visual detection device on a machine is changed from a manual detection device into a machine detection device, so that the machine detection device is more accurate and more labor-saving compared with the conventional mode, and because the shooting range of a camera is limited, when the visual detection is performed on articles with different heights, the height of the camera needs to be continuously adjusted, and the moving range of the camera is adjusted according to the height of the detected articles, so that the operation is complicated; meanwhile, for increasing the detection efficiency, the detection needs to be carried out in the article moving process, and because the camera stands still, the angle of the article shot by the camera is constantly changed, the detection accuracy is affected, and the actual requirement cannot be met, so that the intelligent detection device based on the machine vision is invented.
Disclosure of Invention
The invention provides an intelligent detection device based on machine vision, which is used for overcoming the defects in the prior art.
The invention is realized by the following technical scheme:
an intelligent detection device based on machine vision comprises a base, wherein two chains are arranged on the base, chain wheels are respectively arranged at two ends of each chain, the chain wheels are rotatably arranged on the base through one-way bearings, the two chains are connected through a plurality of transverse plates, a reserved hole is formed in each transverse plate, a rotating shaft is rotatably arranged in each reserved hole, a placing table is fixedly arranged at the outer end of each rotating shaft, an electric push rod is fixedly arranged on the base, a support ring is fixedly arranged at the movable end of each electric push rod, a lead screw is rotatably arranged in each support ring, a nut is arranged on the outer periphery of each lead screw in a threaded manner and can only move up and down, a camera is fixedly arranged on each nut, a shifting plate is fixedly arranged on the side surface of each support ring, a stop block is hinged and arranged at one end of each transverse plate through a torsion spring, the shifting plate can shift the transverse plates to move through the stop blocks, a first conical friction wheel is fixedly arranged at the lower end of each lead screw, and a second conical friction wheel is fixedly arranged at the inner end of each rotating shaft, one side cooperation of first toper friction pulley is equipped with first horizontal pole, and one side of first horizontal pole is equipped with the second horizontal pole, and second toper friction pulley can be one by one with the cooperation of second horizontal pole frictional contact, is equipped with the adjusting device who adjusts first horizontal pole and second horizontal pole height on the base.
The intelligent detection device based on the machine vision comprises a screw, the screw is fixedly mounted on a base, a nut is mounted on the periphery of the screw in a threaded mode, a moving ring is movably sleeved on the periphery of the screw and can only move up and down, the nut is rotatably connected with the moving ring through a bearing, a bar-shaped rack is fixedly mounted at the upper end of the screw, a gear is arranged on one side of the bar-shaped rack in a meshed mode, the inner periphery of the gear is fixedly connected with the periphery of a lead screw, the thread turning directions of two sides of the lead screw are opposite, moving blocks are respectively mounted on two sides of the lead screw in a threaded mode, the moving blocks are respectively and fixedly connected with one end of a connecting rod, the other end of the connecting rod is fixedly connected with one end of a telescopic rod, the other end of the telescopic rod is fixedly connected with the moving ring, and a first cross rod and a second cross rod are respectively mounted on the corresponding moving blocks.
According to the intelligent detection device based on machine vision, the handle is arranged on the periphery of the nut.
According to the intelligent detection device based on machine vision, the first cross rod and the second cross rod are respectively connected with the corresponding moving blocks through the spring rods.
According to the intelligent detection device based on machine vision, the first conical friction wheel and the first cross rod are always in friction contact fit.
The invention has the advantages that: the invention has simple structure and ingenious conception, can lead the camera and the detected object to move synchronously, thereby improving the detection accuracy, can adjust the moving range of the camera according to the height of the detected object, thereby being capable of detecting the objects with different heights, and the placing table moves intermittently, thereby being convenient for placing the objects, meeting the actual requirements and being suitable for popularization. When the invention is used, an article to be detected is placed on a placing table above, then the electric push rod is electrified to enable the electric push rod to continuously stretch and contract and change, the movable end of the electric push rod drives the support ring, the camera and the shifting plate to move back and forth, the right end of the shifting plate continuously shifts the stop dog, when the shifting plate moves forward, the stop dog is shifted, the stop dog rotates along the hinge shaft, the torsional spring stores energy, the transverse plate, the chain and the chain wheel do not rotate reversely until the shifting plate is separated from the stop dog, the stop dog resets under the action of the torsional spring, when the shifting plate moves backward, the stop dog is shifted, the stop dog cannot rotate along the hinge shaft, the stop dog drives the transverse plate, the chain and the chain wheel to rotate forward, the transverse plate at the top side drives the article to move backward, the article and the camera to synchronously move backward, the article and the detection of the article are convenient, only one time of reciprocating of the movable end of the electric push rod shifts the stop dog, so that the transverse plate and the camera synchronously move respectively, the articles on the transverse plate can be detected conveniently in sequence; meanwhile, the transverse plate drives the rotating shaft and the second conical friction wheel to move rightwards, the second conical friction wheel rolls along the second transverse rod, and the second conical friction wheel drives the rotating shaft, the placing table and the articles to rotate, so that the cameras can conveniently detect the articles from different directions; when the second cross bar is positioned at the top, the movable end of the electric push rod reciprocates once, the second conical friction wheel just rotates for a circle, when the second cross bar is positioned at the bottom, the movable end of the electric push rod reciprocates once, the second conical friction wheel rotates for a plurality of weeks, simultaneously, when the support ring moves back and forth, the support ring drives the screw rod and the first conical friction wheel to move, the first conical friction wheel rolls along the first cross bar, the first conical friction wheel drives the screw rod to rotate, the screw nut drives the camera to move up and down, when the support ring moves backwards, the camera moves upwards, when the support ring moves forwards, the camera moves downwards, when the first cross bar is positioned at the top, the movable end of the electric push rod reciprocates once, the first conical friction wheel rotates for a circle in a positive and negative way, when the first cross bar is positioned at the bottom, the movable end of the electric push rod reciprocates once, the first conical friction wheel rotates in a positive and negative way for a plurality of weeks, the height of the first cross rod and the height of the second cross rod are adjusted through the adjusting device, so that the up-down moving range of the camera is adjusted, and the detection requirements of articles with different heights are met.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a view in the direction A of FIG. 1; fig. 3 is a view from direction B of fig. 2.
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, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.
An intelligent detection device based on machine vision is disclosed, as shown in the figure, comprising a base 1, two chains 2 are arranged on the base 1, the two chains 2 are distributed in bilateral symmetry, two ends of the chains 2 are respectively provided with a chain wheel 3, the chain wheel 3 at the front side is connected with the chain wheel 3 corresponding to the rear side through the transmission of the chains 2, the chain wheel 3 is rotatably arranged on the base 1 through a one-way bearing, the inner periphery of the chain wheel 3 is rotatably connected with the outer periphery of a supporting shaft 4 through the one-way bearing, the supporting shaft 4 is fixedly connected with the base 1 through a supporting rod 50, the two chains 2 are connected through a plurality of transverse plates 5, the transverse plates 5 are uniformly distributed on the outer periphery of the chains 2, the connection of the transverse plates 5 and the chains 2 does not influence the meshing fit of the chains 2 and the chain wheels 3, the two chains 2 can only rotate along the same reverse direction, the transverse plates 5 are provided with preformed holes 6, rotating shafts 7 are rotatably arranged in the preformed holes 6, the preformed holes 6 are positioned in the middle parts of the transverse plates 5, the inner periphery of the preformed hole 6 is rotatably connected with the outer periphery of the rotating shaft 7 through a bearing, a placing table 8 is fixedly installed at the outer end of the rotating shaft 7, an electric push rod 9 is fixedly installed on a base 1, the fixed end of the electric push rod 9 is fixedly connected with the base 1 through an upright post 10, a supporting ring 11 is fixedly installed at the movable end of the electric push rod 9, a lead screw 12 is rotatably installed in the supporting ring 11, a nut 13 is installed at the outer periphery of the lead screw 12 in a threaded manner, the nut 13 only can move up and down, a sliding sleeve 14 is fixedly installed on one side of the nut 13, an optical axis 15 is slidably installed in the sliding sleeve 14, the optical axis 15 is fixedly installed on the supporting ring 11, the sliding sleeve 14 is driven to move up and down along the optical axis 15 when the nut 13 moves up and down, a camera 16 is fixedly installed on the nut 13, a shifting plate 17 is fixedly installed on the side surface of the supporting ring 11, a stop block 18 is installed at one end of the transverse plate 5 in a hinged manner through a torsion spring, and the shifting plate 17 can shift the transverse plate 5 to move through the stop block 18, when the dog 18 is stirred to dial board 17 forward, dog 18 drives diaphragm 5 and removes, when the dog 18 is stirred to dial board 17 backward, dog 18 rotates along the articulated shaft, the torsional spring energy storage, dog 18 can reset under the effect of torsional spring, the first toper friction wheel 19 of lower extreme fixed mounting of lead screw 12, the inner difference fixed mounting second toper friction wheel 20 of axis of rotation 7, one side cooperation of first toper friction wheel 19 is equipped with first horizontal pole 21, the periphery of first horizontal pole 21 and the periphery frictional contact cooperation of first toper friction wheel 19, one side of first horizontal pole 21 is equipped with second horizontal pole 22, second toper friction wheel 20 can cooperate with second horizontal pole 22 frictional contact one by one, be equipped with the adjusting device who adjusts first horizontal pole 21 and second horizontal pole 22 height on the base 1. The invention has simple structure and ingenious conception, can lead the camera and the detected object to move synchronously, thereby improving the detection accuracy, can adjust the moving range of the camera according to the height of the detected object, thereby being capable of detecting the objects with different heights, and the placing table moves intermittently, thereby being convenient for placing the objects, meeting the actual requirements and being suitable for popularization. When the invention is used, an article to be detected is placed on the upper placing table 8, then the electric push rod 9 is electrified, the electric push rod 9 is continuously stretched and changed, the movable end of the electric push rod 9 drives the support ring 11, the camera 16 and the shifting plate 17 to move back and forth, the right end of the shifting plate 17 continuously shifts the stop block 18, when the shifting plate 17 moves forward, the stop block 18 is shifted, the stop block 18 rotates along the hinge shaft, the torsion spring stores energy, at the moment, the transverse plate 5, the chain 2 and the chain wheel 3 do not rotate reversely, the shifting plate 17 is separated from the stop block 18, the stop block 18 is reset under the action of the torsion spring, when the shifting plate 17 moves backward, the stop block 18 and the stop block 18 cannot rotate along the hinge shaft, the stop block 18 drives the transverse plate 5, the chain 2 and the chain wheel 3 to rotate forward, the transverse plate 5 on the top side drives the article to move backward, the article and the camera 16 synchronously move backward, the article is convenient to detect, the movable end of the article is reciprocated once, only one stop block 18 is shifted, so that the transverse plates 5 and the cameras 16 respectively move synchronously, and the articles on the transverse plates 5 can be detected in sequence; meanwhile, the transverse plate 5 drives the rotating shaft 7 and the second conical friction wheel 20 to move rightwards, the second conical friction wheel 20 rolls along the second transverse rod 22, and the second conical friction wheel 20 drives the rotating shaft 7, the placing table 8 and the articles to rotate, so that the camera 16 can detect the articles from different directions conveniently; when the second cross bar 22 is located at the top, the movable end of the electric push rod 9 reciprocates once, the second conical friction wheel 20 just rotates for a circle, when the second cross bar 22 is located at the bottom, the movable end of the electric push rod 9 reciprocates once, the second conical friction wheel 20 rotates for a plurality of weeks, simultaneously, when the support ring 11 moves back and forth, the support ring 11 drives the screw rod 12 and the first conical friction wheel 19 to move, the first conical friction wheel 19 rolls along the first cross bar 21, the first conical friction wheel 19 drives the screw rod 12 to rotate, the screw 13 drives the camera 16 to move up and down, when the support ring 11 moves back, the camera 16 moves up, when the support ring 11 moves forward, the camera 16 moves down, when the first cross bar 21 is located at the top, the movable end of the electric push rod 9 reciprocates once, the first conical friction wheel 19 rotates for a circle in the positive and negative directions, and when the first cross bar 21 is located at the bottom, the movable end of the electric push rod 9 reciprocates once, the first conical friction wheel 19 rotates for a plurality of weeks in the positive and negative directions, and the heights of the first cross rod 21 and the second cross rod 22 are adjusted through the adjusting device, so that the up-and-down moving range of the camera 16 is adjusted, and the detection requirements of articles with different heights are met.
Specifically, as shown in the figure, the adjusting device according to the present embodiment includes a screw 23, the screw 23 is fixedly installed on the base 1, a nut 24 is installed on the outer periphery of the screw 23 by a thread, a moving ring 25 is movably sleeved on the outer periphery of the screw 23, the moving ring 25 can only move up and down, a bar-shaped sliding groove 26 is formed on one side of the screw 23, a slider 27 is installed in the bar-shaped sliding groove 26 in a sliding manner, the slider 27 is fixedly installed on the moving ring 25, the moving ring 25 moves up and down to drive the slider 27 to move along the bar-shaped sliding groove 26, the nut 24 is rotatably connected with the moving ring 25 through a bearing, a bar-shaped rack 28 is fixedly installed on the upper end of the screw 23, a gear 29 is engaged and matched with one side of the bar-shaped rack 28, the inner periphery of the gear 29 is fixedly connected with the outer periphery of a screw 30, the thread directions of two sides of the screw 30 are opposite, a moving block 31 is respectively installed on two sides of the screw 30, and a moving block 31 is respectively fixedly connected with one end of a connecting rod 32, the other end of the connecting rod 32 is fixedly connected with one end of an expansion link 33, the other end of the expansion link 33 is fixedly connected with the moving ring 25, and the first cross bar 21 and the second cross bar 22 are respectively installed on the corresponding moving blocks 31. When the nut 24 is screwed, the nut 24 drives the moving ring 25 to move up and down along the screw 23, the moving ring 25 drives the telescopic rod 33, the connecting rod 32, the moving block 31, the screw 30 and the gear 29 to move up and down, the gear 29 rolls along the strip-shaped rack 28, the gear 29 drives the screw 30 to rotate, the moving block 31 drives the first cross bar 21 and the second cross bar 22 to move towards or away from each other, so that the first conical friction wheel 19 and the first cross bar 21 are in frictional contact fit, the second conical friction wheel 20 and the second cross bar 22 are in frictional contact fit, and the transmission ratios between the first conical friction wheel 19 and the first cross bar 21 as well as between the second conical friction wheel 20 and the second cross bar 22 are adjusted.
Specifically, as shown in the figure, the nut 24 of the present embodiment is provided with a handle at its outer periphery. The nut 24 is conveniently twisted by means of a handle.
Further, as shown in the drawings, the first cross bar 21 and the second cross bar 22 of the present embodiment are connected to the corresponding moving blocks 31 through spring rods 34. When the second tapered friction wheel 20 is in frictional contact engagement with the second cross bar 22 and the first tapered friction wheel 19 is in frictional contact engagement with the first cross bar 21, the spring rod 34 is under compression, thereby maintaining the first tapered friction wheel 19 in frictional contact engagement with the first cross bar 21 and the second tapered friction wheel 20 in frictional contact engagement with the second cross bar 22.
Further, as shown, the first tapered friction wheel 19 of the present embodiment is always in frictional contact engagement with the first cross bar 21. Increasing the stability of the frictional contact engagement of the first tapered friction wheel 19 with the first cross bar 21.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (5)

1. The utility model provides an intelligent detection device based on machine vision, including base (1), be equipped with two chains (2) on base (1), the both ends of chain (2) are equipped with sprocket (3) respectively, sprocket (3) are installed on base (1) through one-way bearing rotation, two chains (2) are connected through several diaphragm (5), be equipped with preformed hole (6) on diaphragm (5), preformed hole (6) internal rotation installation axis of rotation (7), platform (8), its characterized in that are placed to the outer end fixed mounting of axis of rotation (7): an electric push rod (9) is fixedly installed on a base (1), a support ring (11) is fixedly installed at the movable end of the electric push rod (9), a lead screw (12) is rotatably installed in the support ring (11), a nut (13) is installed on the periphery of the lead screw (12) in a threaded mode, the nut (13) only can move up and down, a camera (16) is fixedly installed on the nut (13), a shifting plate (17) is fixedly installed on the side face of the support ring (11), a stop block (18) is installed at one end of a transverse plate (5) in a hinged mode through a torsion spring, the transverse plate (5) can be shifted to move through the stop block (18), a first conical friction wheel (19) is fixedly installed at the lower end of the lead screw (12), a second conical friction wheel (20) is fixedly installed at the inner end of a rotating shaft (7) respectively, a first transverse rod (21) is arranged on one side of the first conical friction wheel (19) in a matched mode, a second transverse rod (22) is arranged on one side of the first transverse rod (21), the second conical friction wheel (20) can be in friction contact fit with the second cross rod (22) one by one, and an adjusting device for adjusting the heights of the first cross rod (21) and the second cross rod (22) is arranged on the base (1).
2. The machine vision-based intelligent detection device as claimed in claim 1, wherein: the adjusting device comprises a screw rod (23), the screw rod (23) is fixedly installed on the base (1), a nut (24) is installed on the outer periphery of the screw rod (23) in a threaded mode, a moving ring (25) is movably sleeved on the outer periphery of the screw rod (23), the moving ring (25) can only move up and down, the nut (24) is rotatably connected with the moving ring (25) through a bearing, a strip-shaped rack (28) is fixedly installed at the upper end of the screw rod (23), a gear (29) is arranged on one side of the strip-shaped rack (28) in a meshed and matched mode, the inner periphery of the gear (29) is fixedly connected with the outer periphery of a lead screw (30), the thread rotating directions of two sides of the lead screw (30) are opposite, moving blocks (31) are respectively installed on two sides of the lead screw (30) in a threaded mode, the moving blocks (31) are respectively and fixedly connected with one end of a connecting rod (32), the other end of the connecting rod (32) is fixedly connected with one end of a telescopic rod (33), and the other end of the telescopic rod (33) is fixedly connected with the moving ring (25), the first cross bar (21) and the second cross bar (22) are respectively arranged on the corresponding moving blocks (31).
3. The machine vision-based intelligent detection device as claimed in claim 2, wherein: and a handle is arranged on the periphery of the nut (24).
4. The machine vision-based intelligent detection device as claimed in claim 2, wherein: the first cross bar (21) and the second cross bar (22) are connected with the corresponding moving blocks (31) through spring rods (34).
5. The machine vision-based intelligent detection device as claimed in claim 2, wherein: the first conical friction wheel (19) is always in friction contact fit with the first cross rod (21).
CN202210130202.2A 2022-02-11 2022-02-11 Intelligent detection device based on machine vision Pending CN114527125A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210130202.2A CN114527125A (en) 2022-02-11 2022-02-11 Intelligent detection device based on machine vision

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210130202.2A CN114527125A (en) 2022-02-11 2022-02-11 Intelligent detection device based on machine vision

Publications (1)

Publication Number Publication Date
CN114527125A true CN114527125A (en) 2022-05-24

Family

ID=81622208

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210130202.2A Pending CN114527125A (en) 2022-02-11 2022-02-11 Intelligent detection device based on machine vision

Country Status (1)

Country Link
CN (1) CN114527125A (en)

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