CN111013685A

CN111013685A - General machine vision detection experiment table

Info

Publication number: CN111013685A
Application number: CN201811176094.2A
Authority: CN
Inventors: 江晓亮; 朱毓金; 王荣沛; 朱宝; 杨耀雨; 廖宝珍
Original assignee: Quzhou University
Current assignee: Quzhou University
Priority date: 2018-10-10
Filing date: 2018-10-10
Publication date: 2020-04-17

Abstract

The invention belongs to the technical field of visual detection, and particularly relates to a universal machine visual detection experiment table which comprises a base, wherein a first groove is formed in the top of the base, a first servo motor is fixedly installed on the inner wall of the bottom of the first groove, a first supporting rod is fixedly installed on an output shaft of the first servo motor, a second groove is formed in the inner wall of one side of the first groove, the first supporting rod is rotatably installed in the second groove, a first synchronous belt pulley is fixedly sleeved on the first supporting rod, two first screw rods are rotatably installed in the first groove, a second synchronous belt pulley is fixedly sleeved on the first screw rods, and the second synchronous belt pulley and the first synchronous belt pulley are jointly wound by a same belt. The invention has strong practicability, time and labor saving, and can quickly adjust the position of the CCD camera when testing products with various specifications, thereby accurately aligning the tested products, improving the detection quality and the detection efficiency and saving the production cost.

Description

General machine vision detection experiment table

Technical Field

The invention relates to the technical field of visual inspection, in particular to a universal machine visual inspection experiment table.

Background

The visual detection means that a machine vision product comprises an image shooting device, a shot target is converted into an image signal and is transmitted to a special image processing system, and the image signal is converted into a digital signal according to information such as pixel distribution, brightness, color and the like; the image system performs various operations on the signals to extract the characteristics of the target, and then controls the action of equipment on site according to the judgment result, so that the visual inspection experiment table is a valuable mechanism for production, assembly or packaging, has immeasurable value in the aspects of detecting defects and preventing defective products from being delivered to consumers, is easy to cause visual fatigue and difficult to detect accurately in the traditional visual inspection process by generally adopting artificial eyesight, processes and compares images acquired by a camera by using a CCD (charge coupled device) camera and a computer to find the defects of the products, saves a large amount of time for people and improves the production efficiency.

However, in the prior art, because the CCD camera in the visual inspection test bed is all fixedly installed, but the test bed can test multiple products, the specification sizes of the multiple products are all different, can lead to unable alignment, and lead to the detection quality poor, the problem that detection efficiency is low, sometimes need to dismantle the CCD camera more and fix again, until aiming at the test product, comparatively waste time and energy, consequently cause the increase of manufacturing cost, for this reason, propose a general type machine visual inspection test bed.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a universal machine vision detection experiment table.

In order to achieve the purpose, the invention adopts the following technical scheme: a universal machine vision detection experiment table comprises a base, wherein a first groove is formed in the top of the base, a first servo motor is fixedly installed on the inner wall of the bottom of the first groove, a first supporting rod is fixedly installed on an output shaft of the first servo motor, a second groove is formed in the inner wall of one side of the first groove, the first supporting rod is rotatably installed in the second groove, a first synchronous belt pulley is fixedly sleeved on the first supporting rod, two first lead screws are rotatably installed in the first groove, a second synchronous belt pulley is fixedly sleeved on the first lead screws, the second synchronous belt pulley and the first synchronous belt pulley are wound by the same belt, supporting blocks are installed on the two first lead screws in a threaded mode, the two supporting blocks are fixedly installed with the same connecting plate, and a second servo motor is fixedly installed at the top of the connecting plate, and the output shaft of the second servo motor is fixedly sleeved with a first bevel gear, the top of the connecting plate is fixedly provided with a first fixed block, the top of the first fixed block is provided with a fourth groove, the fourth groove is internally and rotatably provided with a rotating rod, the rotating rod is fixedly sleeved with a second bevel gear, the second bevel gear is meshed with the first bevel gear, the top of the rotating rod is provided with a threaded through hole, the inner wall of the threaded through hole is in threaded connection with a second lead screw, the top of the second lead screw is fixedly provided with a first supporting plate, the top of the first supporting plate is provided with four through holes, the top of the connecting plate is fixedly provided with four slide bars, the slide bars are in sliding connection with the inner wall of the through holes, the top of the first supporting plate is fixedly provided with a second fixed block, one side of the second fixed block is, and a CCD camera is fixedly arranged at the bottom of the second supporting plate.

Preferably, a computer is arranged on the base.

Preferably, one side fixed mounting of base has first reversing switch and second reversing switch.

Preferably, the same fixing plate is fixedly installed at the tops of the four sliding rods.

Preferably, two limiting rods are fixedly mounted on the inner walls of the two sides of the first groove, and limiting blocks are fixedly mounted on the two limiting rods.

Preferably, the bottom of the supporting block is fixedly provided with two clamping blocks, one side of each clamping block is provided with a limiting hole, and the two limiting holes are in sliding connection with the two corresponding limiting rods.

Preferably, a first bearing is arranged in the second groove, an outer ring of the first bearing is fixedly connected with the inner wall of the second groove, and an inner ring of the first bearing is fixedly sleeved on the first support rod.

Preferably, two third grooves are formed in the inner walls of the two sides of the first groove, second bearings are fixedly sleeved at the two ends of the first screw rod, and the outer rings of the second bearings are fixedly connected with the inner walls of the corresponding third grooves.

Compared with the prior art, the invention has the beneficial effects that: firstly, the device is matched with a base, a first groove, a first servo motor, a first support rod, a second groove, a first synchronous belt wheel, a third groove, a first screw rod, a second synchronous belt wheel, a belt, a support block, a second servo motor, a second support rod, a first bevel gear, a first fixed block, a fourth groove, a rotating rod, a second bevel gear, a threaded through hole, a second screw rod, a first support plate, a through hole, a sliding rod, a second fixed block, a second support plate, a CCD camera, a connecting plate and a computer, when the position of the CCD camera needs to be adjusted rightwards, a first reversing switch is started, the first servo motor drives the first support rod to rotate, the first support rod drives the first synchronous belt wheel to rotate, the first synchronous belt wheel drives the belt to rotate, the belt drives the second synchronous belt wheel to rotate, the second synchronous belt wheel drives the first screw rod to rotate, the first screw rod drives the support block to move rightwards, the supporting block drives the connecting plate to move rightwards, and the connecting plate drives the device on the connecting plate to integrally move rightwards, so that the CCD camera is driven to move rightwards, and when the CCD camera needs to move leftwards, the first reversing switch is started to enable the first servo motor to reversely rotate;

through the base, the first groove, the second servo motor, the second support rod, the first bevel gear, the first fixed block, the fourth groove, the rotating rod, the second bevel gear, the threaded through hole, the second lead screw, the first support plate, the through hole, the sliding rod, the second fixed block, the second support plate, the CCD camera, the connecting plate and the computer, when the CCD camera needs to be adjusted in height, the second reversing switch is started, the second servo motor drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the rotating rod to rotate, the rotating rod drives the second lead screw to move upwards, the second lead screw drives the first support plate to move upwards, the first support plate drives the second fixed block to move upwards, the second fixed block drives the second support plate to move upwards, the second support plate drives the CCD camera to move upwards, when the height of the CCD camera needs to be reduced, the second reversing switch is started to enable the second servo motor to reverse, and when the second reversing switch is adjusted to a proper height, the second reversing switch is stopped, so that the height of the CCD camera is adjusted, and the products of different specifications can be tested quickly by adjusting the heights and the left and right of the multiple CCD cameras;

the invention has strong practicability, time and labor saving, and can quickly adjust the position of the CCD camera when testing products with various specifications, thereby accurately aligning the tested products, improving the detection quality and the detection efficiency and saving the production cost.

Drawings

FIG. 1 is a front cross-sectional structural schematic view of the present invention;

FIG. 2 is an enlarged view of part A of the present invention;

FIG. 3 is a schematic top sectional view of the base of the present invention;

FIG. 4 is a top view of the present invention;

FIG. 5 is a right side view of the present invention;

FIG. 6 is a schematic block diagram of a computer according to the present invention;

in the figure: 1. a base; 2. a first groove; 3. a first servo motor; 4. a first support bar; 5. a second groove; 6. a first timing pulley; 7. a third groove; 8. a first lead screw; 9. a second timing pulley; 10. a belt; 11. a support block; 12. a second servo motor; 13. a second support bar; 14. a first bevel gear; 15. a first fixed block; 16. a fourth groove; 17. rotating the rod; 18. a second bevel gear; 19. a threaded through hole; 20. a second lead screw; 21. a first support plate; 22. a through hole; 23. a slide bar; 24. a second fixed block; 25. a second support plate; 26. a CCD camera; 27. a connecting plate; 28. and (4) a computer.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the 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.

Referring to fig. 1-6, the present invention provides a technical solution: a universal machine vision detection experiment table comprises a base 1, wherein a first groove 2 is formed in the top of the base 1, a first servo motor 3 is fixedly installed on the inner wall of the bottom of the first groove 2, a first supporting rod 4 is fixedly installed on an output shaft of the first servo motor 3, a second groove 5 is formed in the inner wall of one side of the first groove 2, the first supporting rod 4 is rotatably installed in the second groove 5, a first synchronous belt pulley 6 is fixedly sleeved on the first supporting rod 4, two first lead screws 8 are rotatably installed in the first groove 2, a second synchronous belt pulley 9 is fixedly sleeved on the first lead screws 8, the second synchronous belt pulley 9 and the first synchronous belt pulley 6 are jointly wound with a same belt 10, supporting blocks 11 are respectively installed on the two first lead screws 8 in a threaded mode, a same connecting plate 27 is fixedly installed on the two supporting blocks 11, a second servo motor 12 is fixedly installed on the top of the connecting plate 27, a first conical gear 14 is fixedly sleeved on an output shaft of the second servo motor 12, a first fixing block 15 is fixedly installed at the top of the connecting plate 27, a fourth groove 16 is formed in the top of the first fixing block 15, a rotating rod 17 is rotatably installed in the fourth groove 16, a second conical gear 18 is fixedly sleeved on the rotating rod 17, the second conical gear 18 is meshed with the first conical gear 14, a threaded through hole 19 is formed in the top of the rotating rod 17, a second lead screw 20 is in threaded connection with the inner wall of the threaded through hole 19, a first supporting plate 21 is fixedly installed at the top of the second lead screw 20, four through holes 22 are formed in the top of the first supporting plate 21, four sliding rods 23 are fixedly installed at the top of the connecting plate 27, the sliding rods 23 are in sliding connection with the inner wall of the through holes 22, a second fixing block 24 is fixedly installed at the top of the first supporting plate 21, the bottom of the second support plate 25 is fixedly provided with a CCD camera 26;

a computer 28 is arranged on the base 1, a first reversing switch and a second reversing switch are fixedly arranged on one side of the base 1, the top parts of the four sliding rods 23 are fixedly provided with the same fixing plate, two limiting rods are fixedly arranged on the inner walls of two sides of the first groove 2, limiting blocks are fixedly arranged on the two limiting rods, two clamping blocks are fixedly arranged at the bottom part of the supporting block 11, limiting holes are respectively arranged on one side of each of the two clamping blocks, the two limiting holes are in sliding connection with the two corresponding limiting rods, a first bearing is arranged in the second groove 5, the outer ring of the first bearing is fixedly connected with the inner wall of the second groove 5, the inner ring of the first bearing is fixedly sleeved on the first supporting rod 4, two third grooves 7 are respectively arranged on the inner walls of two sides of the first groove 2, second bearings are fixedly sleeved at two ends of the first lead screw 8, the outer ring of the second bearing is fixedly connected with the inner walls, through the matching of a base 1, a first groove 2, a first servo motor 3, a first supporting rod 4, a second groove 5, a first synchronous belt pulley 6, a third groove 7, a first screw rod 8, a second synchronous belt pulley 9, a belt 10, a supporting block 11, a second servo motor 12, a second supporting rod 13, a first bevel gear 14, a first fixed block 15, a fourth groove 16, a rotating rod 17, a second bevel gear 18, a threaded through hole 19, a second screw rod 20, a first supporting plate 21, a through hole 22, a sliding rod 23, a second fixed block 24, a second supporting plate 25, a CCD camera 26, a connecting plate 27 and a computer 28, when the position of the CCD camera 26 needs to be adjusted rightwards, a first reversing switch is started, the first servo motor 3 drives the first supporting rod 4 to rotate, the first supporting rod 4 drives the first synchronous belt pulley 6 to rotate, the first synchronous belt pulley 6 drives the belt 10 to rotate, and the belt 10 drives the second synchronous belt pulley 9 to rotate, the second synchronous belt wheel 9 drives the first screw rod 8 to rotate, the first screw rod 8 drives the supporting block 11 to move rightwards, the supporting block 11 drives the connecting plate 27 to move rightwards, the connecting plate 27 drives the device on the connecting plate 27 to move rightwards integrally, so as to drive the CCD camera 26 to move rightwards, when the CCD camera needs to move leftwards, the first reversing switch is started, the first servo motor 3 is enabled to reverse, the base 1, the first groove 2, the second servo motor 12, the second supporting rod 13, the first conical gear 14, the first fixing block 15, the fourth groove 16, the rotating rod 17, the second conical gear 18, the threaded through hole 19, the second screw rod 20, the first supporting plate 21, the through hole 22, the sliding rod 23, the second fixing block 24, the second supporting plate 25, the CCD camera 26, the connecting plate 27 and the computer 28 are matched, when the CCD camera 26 needs to adjust the height, the second reversing switch is started, the second servo motor 12 drives the first bevel gear 14 to rotate, the first bevel gear 14 drives the second bevel gear 18 to rotate, the second bevel gear 18 drives the rotating rod 17 to rotate, the rotating rod 17 drives the second screw rod 20 to move upwards, the second screw rod 20 drives the first support plate 21 to move upwards, the first support plate 21 drives the second fixed block 24 to move upwards, the second fixed block 24 drives the second support plate 25 to move upwards, the second support plate 25 drives the CCD camera 26 to move upwards, when the height of the CCD camera 26 needs to be reduced, the second reversing switch is started to reverse the second servo motor 12, when the height is adjusted to be proper, the second reversing switch is stopped, so that the adjustment of the height of the CCD camera 26 is completed, products with different specifications can be tested quickly through the adjustment of the height and the left and right of the multiple CCD cameras 26, the invention has strong practicability and saves time and labor, when testing products with various specifications, the position of the CCD camera 26 can be quickly adjusted, so that the tested products are accurately aligned, the detection quality and the detection efficiency are improved, and the production cost is saved.

The working principle is as follows: the computer 28 comprises an image analysis module, an information storage module and a visual detection device, wherein the image analysis module is connected with the information storage module, the information storage module is connected with the visual detection device, the computer is connected with a CCD camera, the CCD camera mainly collects images, the image analysis module in the computer processes and compares the images, the information storage module stores the images, the visual detection module compares the defects of products, a first reversing switch, a first servo motor 3 and a power supply in the device are sequentially and electrically connected with a closed loop through leads, a second reversing switch, a second servo motor 12 and the power supply are sequentially and electrically connected through leads to form a closed loop, when the device is used for testing different products and the position of the CCD camera 26 needs to be adjusted rightwards, the first reversing switch is started, the first servo motor 3 drives the first supporting rod 4 to rotate, the first support rod 4 drives the first synchronous pulley 6 to rotate, the first synchronous pulley 6 drives the belt 10 to rotate, the belt 10 drives the second synchronous pulley 9 to rotate, the second synchronous pulley 9 drives the first screw rod 8 to rotate, the first screw rod 8 drives the support block 11 to move rightwards, the support block 11 drives the connecting plate 27 to move rightwards, the connecting plate 27 drives the whole device on the connecting plate 27 to move rightwards, thereby driving the CCD camera 26 to move rightwards, when the device moves to a proper position, the first backward-forward switch is closed, when the device needs to move leftwards, the first backward-forward switch is started, the first servo motor 3 can be reversely rotated, when the device moves to a proper position, the first backward-forward switch is closed, when the CCD camera 26 needs to adjust the height, the second backward-forward switch is started, the second servo motor 12 drives the first bevel gear 14 to rotate, the first bevel gear 14 drives the second bevel gear 18 to rotate, second bevel gear 18 drives dwang 17 and rotates, dwang 17 drives second lead screw 20 upward movement, second lead screw 20 drives first backup pad 21 upward movement, first backup pad 21 drives second fixed block 24 upward movement, second fixed block 24 drives second backup pad 25 upward movement, second backup pad 25 drives CCD camera 26 upward movement, adjust suitable height, stop the second switch of falling in the same direction as can, when needs reduce CCD camera 26 height, start the second switch of falling in the same direction as, make second servo motor 12 reversal can, when adjusting suitable height, stop the second switch of falling in the same direction as can, thereby accomplish the regulation of CCD camera 26 height, through the regulation about 26 high with of many CCD cameras, can test the product of different specifications very fast.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a general type machine vision inspection laboratory bench, includes base (1), its characterized in that: the top of the base (1) is provided with a first groove (2), a first servo motor (3) is fixedly mounted on the inner wall of the bottom of the first groove (2), a first supporting rod (4) is fixedly mounted on an output shaft of the first servo motor (3), a second groove (5) is formed in the inner wall of one side of the first groove (2), the first supporting rod (4) is rotatably mounted in the second groove (5), a first synchronous belt pulley (6) is fixedly sleeved on the first supporting rod (4), two first lead screws (8) are rotatably mounted in the first groove (2), a second synchronous belt pulley (9) is fixedly sleeved on the first lead screws (8), the second synchronous belt pulley (9) and the first synchronous belt pulley (6) are jointly wound by a same belt (10), and supporting blocks (11) are mounted on the two first lead screws (8) in a threaded manner, two supporting blocks (11) fixed mounting have same connecting plate (27), the top fixed mounting of connecting plate (27) has second servo motor (12), and fixed cover is equipped with first conical gear (14) on the output shaft of second servo motor (12), the top fixed mounting of connecting plate (27) has first fixed block (15), fourth recess (16) have been seted up at the top of first fixed block (15), dwang (17) is installed to fourth recess (16) internal rotation, the fixed cover is equipped with second conical gear (18) on dwang (17), second conical gear (18) and first conical gear (14) mesh mutually, threaded through hole (19) have been seted up at the top of dwang (17), threaded connection has second lead screw (20) on the inner wall of threaded through hole (19), the top fixed mounting of second lead screw (20) has first supporting plate (21), four through-holes (22) have been seted up at the top of first backup pad (21), the top fixed mounting of connecting plate (27) has four slide bars (23), the inner wall sliding connection of slide bar (23) and through-hole (22), the top fixed mounting of first backup pad (21) has second fixed block (24), one side fixed mounting of second fixed block (24) has second backup pad (25), the bottom fixed mounting of second backup pad (25) has CCD camera (26).

2. The universal machine vision inspection laboratory bench of claim 1 wherein: and a computer (28) is arranged on the base (1).

3. The universal machine vision inspection laboratory bench of claim 1 wherein: one side fixed mounting of base (1) has first switch and the second switch of falling in the same direction.

4. The universal machine vision inspection laboratory bench of claim 1 wherein: the top parts of the four sliding rods (23) are fixedly provided with the same fixing plate.

5. The universal machine vision inspection laboratory bench of claim 1 wherein: two limiting rods are fixedly mounted on the inner walls of the two sides of the first groove (2), and limiting blocks are fixedly mounted on the two limiting rods.

6. The universal machine vision inspection laboratory bench of claim 1 wherein: the bottom of the supporting block (11) is fixedly provided with two clamping blocks, one side of each clamping block is provided with a limiting hole, and the two limiting holes are in sliding connection with the two corresponding limiting rods.

7. The universal machine vision inspection laboratory bench of claim 1 wherein: the bearing is characterized in that a first bearing is arranged in the second groove (5), an outer ring of the first bearing is fixedly connected with the inner wall of the second groove (5), and an inner ring of the first bearing is fixedly sleeved on the first supporting rod (4).

8. The universal machine vision inspection laboratory bench of claim 1 wherein: two third grooves (7) are formed in the inner walls of the two sides of the first groove (2), second bearings are fixedly sleeved at the two ends of the first screw rod (8), and the outer rings of the second bearings are fixedly connected with the inner walls of the corresponding third grooves (7).