CN216119159U

CN216119159U - Machine vision teaching platform

Info

Publication number: CN216119159U
Application number: CN202121725414.2U
Authority: CN
Inventors: 陈鑫
Original assignee: Lovecraftman Intelligent Technology Suzhou Co ltd
Current assignee: Lovecraftman Intelligent Technology Suzhou Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-03-22
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses a machine vision teaching platform which comprises a workbench, wherein a placing mechanism, a camera shooting mechanism, a vertical moving mechanism, a horizontal moving mechanism and a fixing mechanism are arranged on the workbench, the fixing mechanism comprises a left supporting rod, a right supporting rod and a top plate, the vertical moving mechanism comprises a second motor, a first screw rod and a first moving block, one end of the second motor is provided with a driving wheel, the bottom end of the first screw rod is provided with a driven wheel, the first moving block is arranged on the first screw rod, an internal thread matched with the first screw rod is arranged in the first moving block, a through hole is further formed in the first moving block, and the right supporting rod penetrates through the through hole. The utility model has simple structure, is convenient for accurately adjusting the position and the angle of the high-speed camera in real time and has good teaching effect.

Description

Machine vision teaching platform

Technical Field

The utility model relates to the technical field of image recognition, in particular to a machine vision teaching platform.

Background

Machine vision is a branch of the rapid development of artificial intelligence. In brief, machine vision is to use a machine to replace human eyes for measurement and judgment. The machine vision system converts the shot target into image signals through 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), transmits the image signals to a special image processing system to obtain the form information of the shot target, and converts the form information into digital signals according to the information of pixel distribution, brightness, color and the like; the image system performs various calculations on these signals to extract the features of the target, and then controls the operation of the on-site equipment according to the result of the discrimination.

With the continuous promotion of China to intelligent manufacturing, further demands of enterprises on improvement of production modes and production efficiency are increased, the application of machine vision technology is more and more extensive, and a practical training platform for machine vision teaching is produced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a machine vision teaching platform which is simple in structure, convenient for real-time adjustment of the position and the angle of a high-speed camera and good in teaching effect.

In order to solve the technical problem, the utility model provides a machine vision teaching platform which is characterized by comprising a workbench, wherein a placing mechanism, a camera shooting mechanism, a vertical moving mechanism, a horizontal moving mechanism and a fixing mechanism are arranged on the workbench, the fixing mechanism comprises a left supporting rod, a right supporting rod and a top plate, the vertical moving mechanism comprises a second motor, a first screw rod and a first moving block, one end of the second motor is provided with a driving wheel, the bottom end of the first screw rod is provided with a driven wheel, the first moving block is arranged on the first screw rod and internally provided with an internal thread matched with the first screw rod for use, the first moving block is also provided with a through hole, and the right supporting rod penetrates through the through hole; the horizontal moving mechanism comprises a third motor arranged on the first moving block, a second screw is arranged at one end of the third motor, a second moving block is arranged on the second screw, an internal thread matched with the second screw is arranged in the second moving block, and a second telescopic limiting column is arranged between the second moving block and the top plate; the camera shooting mechanism comprises a high-speed camera, a lens and an annular light source, the high-speed camera is fixed on the second moving block, and the annular light source is arranged on two sides of the lens; the placing mechanism comprises a base, a rotating disc is arranged on the base, and a first motor is connected to the bottom end of the rotating disc.

Further, an interface unit and an image processor are arranged on the workbench, the high-speed camera is connected to the image processor, the interface unit is connected to a student computer, and the student computer is connected to a teacher computer.

Further, a fourth motor is arranged on one side of the placing mechanism, a bidirectional screw is arranged on the fourth motor, two positioning plates are arranged on the bidirectional screw, and the positioning plates are arranged on two sides of the rotating disc.

Further, the first motor, the second motor, the third motor and the fourth motor are all stepping motors.

Furthermore, a limiting block is arranged on one side, away from the driving wheel, of the first screw rod.

Furthermore, second screw rod one end with the left branch vaulting pole meets, be provided with the slide rail on the left branch vaulting pole and be used for the horizontal position of spacing second screw rod.

Further, a slide rail is arranged on the top plate and used for limiting the vertical position of the second limiting column.

The utility model has the beneficial effects that: the device utilizes the vertical moving mechanism and the horizontal moving mechanism to accurately adjust the position of the high-speed camera in real time, namely, the device can accurately acquire image information so that students or workers can accurately analyze elements, and the device is good in application effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

The reference numbers in the figures illustrate: 1. a work table; 2. a left support bar; 3. a right support bar; 4. a top plate; 5. A second motor; 6. a first screw; 7. a first moving block; 8. a driving wheel; 9. a driven wheel; 10. A third motor; 11. a second screw; 12. a second moving block; 13. a second limit post; 14. a high-speed camera; 15. a lens; 16. an annular light source; 17. a base; 18. rotating the disc; 19. a first motor; 20. an interface unit; 21. an image processor; 22. a student computer; 23. a teacher computer; 24. a fourth motor; 25. positioning a plate; 26. and a limiting block.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1, an embodiment of a machine vision teaching platform of the present invention includes a workbench 1, a placing mechanism, a camera shooting mechanism, a vertical moving mechanism, a horizontal moving mechanism and a fixing mechanism are arranged on the workbench 1, the fixing mechanism includes a left support rod 2, a right support rod 3 and a top plate 4, the vertical moving mechanism includes a second motor 5, a first screw rod 6 and a first moving block 7, one end of the second motor 5 is provided with a driving wheel 8, the bottom end of the first screw rod 6 is provided with a driven wheel 9, the first moving block 7 is arranged on the first screw rod 6 and is internally provided with an internal thread used in cooperation with the first screw rod 6, the first moving block 7 is further provided with a through hole, and the right support rod 3 penetrates through the through hole; the horizontal moving mechanism comprises a third motor 10 arranged on the first moving block 7, one end of the third motor 10 is provided with a second screw 11, the second screw 11 is provided with a second moving block 12, an internal thread matched with the second screw 11 is arranged in the second moving block 12, and a telescopic second limiting column 13 is arranged between the second moving block 12 and the top plate 4; the camera shooting mechanism comprises a high-speed camera 14, a lens 15 and an annular light source 16, wherein the high-speed camera 14 is fixed on the second moving block 12, and the annular light source 16 is arranged on two sides of the lens 15; the placing mechanism comprises a base 17, a rotating disc 18 is arranged on the base 17, and the bottom end of the rotating disc 18 is connected with a first motor 19.

When the device is used, an object to be measured is placed on the rotating disc 18 and is fixed on the rotating disc 18 by using a magnet or glue, the first motor 19 is used for controlling the height of the rotating disc 18, then the vertical moving mechanism is started, the second motor 5 operates to drive the driving wheel 8 to rotate, the driving wheel 8 drives the driven wheel 9 to rotate, the driven wheel 9 drives the first screw rod 6 to rotate, the other end of the first moving block 7 is also provided with a through hole, the right supporting rod 3 penetrates through the through hole, so that the first moving block 7 cannot rotate in place, meanwhile, the first moving block 7 is arranged on the first screw rod 6 and is internally provided with an internal thread matched with the first screw rod 6 for use, so that the rotating motion of the first screw rod 6 can be changed into the vertical motion of the first moving block 7, and at the moment, the vertical distance between the lens 15 and the object to be measured is adjusted;

then, the horizontal position of the lens 15 is adjusted, the third motor 10 drives the second screw 11 to rotate, and because the second telescopic limiting column 13 is arranged between the second moving block 12 and the top plate 4, the second moving block 12 cannot rotate along with the second screw 11, and meanwhile, the internal thread matched with the second screw 11 is arranged inside the second moving block 12, so that the rotating motion of the second screw 11 can be changed into the horizontal motion of the second moving block 12, and the horizontal position of the lens 15 is adjusted.

After the adjustment is completed, the lens 15 and the annular light source 16 disposed around the lens are turned on to perform an image capturing operation.

The workbench 1 is provided with an interface unit 20 and an image processor 21, the high-speed camera 14 is connected to the image processor 21, the interface unit 20 is connected to a student computer 22, and the student computer 22 is connected to a teacher computer 23, so that the students can conveniently try on processing image data and the teachers can conveniently monitor and modify the processing results of the students in real time.

Placing mechanism one side and being provided with fourth motor 24, being provided with two-way screw rod on the fourth motor 24, being provided with two locating plates 25 on the two-way screw rod, locating plate 25 sets up the both sides at rolling disc 18, if meet the measured object spare that the volume is great promptly can fix from both sides.

The first motor 19, the second motor 5, the third motor 10 and the fourth motor 24 are all stepping motors, so that the use cost is low and the effect is good.

A limit block 26 is arranged on one side of the first screw rod 6 far away from the driving wheel 8, so that the first moving block 7 is prevented from falling off from the first screw rod 6.

11 one end of second screw rod meets with left branch vaulting pole 2, is provided with the horizontal position that the slide rail is used for spacing second screw rod 11 on the left branch vaulting pole 2, is provided with the vertical position that the slide rail is used for spacing post 13 of second on roof 4, prevents that second screw rod 11 or spacing post 13 of second from shifting.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the utility model is all within the protection scope of the utility model. The protection scope of the utility model is subject to the claims.

Claims

1. A machine vision teaching platform is characterized by comprising a workbench, wherein a placement mechanism, a camera shooting mechanism, a vertical moving mechanism, a horizontal moving mechanism and a fixing mechanism are arranged on the workbench, the fixing mechanism comprises a left supporting rod, a right supporting rod and a top plate, the vertical moving mechanism comprises a second motor, a first screw rod and a first moving block, one end of the second motor is provided with a driving wheel, the bottom end of the first screw rod is provided with a driven wheel, the first moving block is arranged on the first screw rod and internally provided with an internal thread matched with the first screw rod for use, the first moving block is further provided with a through hole, and the right supporting rod penetrates through the through hole;

the horizontal moving mechanism comprises a third motor arranged on the first moving block, a second screw is arranged at one end of the third motor, a second moving block is arranged on the second screw, an internal thread matched with the second screw is arranged in the second moving block, and a second telescopic limiting column is arranged between the second moving block and the top plate;

the camera shooting mechanism comprises a high-speed camera, a lens and an annular light source, the high-speed camera is fixed on the second moving block, and the annular light source is arranged on two sides of the lens;

the placing mechanism comprises a base, a rotating disc is arranged on the base, and a first motor is connected to the bottom end of the rotating disc.

2. A machine vision teaching platform as claimed in claim 1 wherein said workstation has an interface unit and an image processor, said high speed camera being connected to the image processor, said interface unit being connected to a student computer, said student computer being connected to a teacher computer.

3. The machine vision teaching platform of claim 1 wherein said placement mechanism has a fourth motor disposed on one side thereof, said fourth motor having a bi-directional screw disposed thereon, said bi-directional screw having two positioning plates disposed on opposite sides of said rotatable disk.

4. The machine vision teaching platform of claim 3 wherein said first, second, third and fourth motors are stepper motors.

5. The machine vision teaching platform of claim 1 wherein a stop block is disposed on a side of said first screw remote from said drive wheel.

6. The machine vision teaching platform of claim 1 wherein one end of the second screw is connected to the left support bar, and the left support bar is provided with a slide rail for limiting the horizontal position of the second screw.

7. The machine vision teaching platform of claim 1 wherein a slide rail is provided on the top plate for limiting the vertical position of the second limiting post.