Machine vision experiment rack

Abstract

The utility model discloses a machine vision experiment rack, which effectively solves the problem that the position of a camera is inconvenient to adjust. Comprising a base, a fixed rod is fixedly connected to the upper end of the base, a lifting rod is slidably connected in the fixed rod, a rotatable threaded rod is in threaded connection in the lifting rod, an extension rod is coaxially arranged in the threaded rod and rotatably connected with the lifting rod, a rotatable hexagonal prism is slidably connected in the extension rod, and a driving assembly is arranged on the right side of the base; through the arrangement of the driving assembly, the fixed rod, the threaded rod, the extension rod, the hexagonal prism and the transverse frame, the threaded rod or the hexagonal prism can be driven to rotate by utilizing the driving assembly, and then the transverse frame can be driven to move up and down or back and forth, so that the position of the visual camera can be adjusted; the purpose of adjusting the position of the visual camera according to experiment requirements is achieved, and the mounting frame, the adjusting assembly and the clamping frame are arranged so that the position of the camera can be finely adjusted through the adjusting assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of machine vision, in particular to a machine vision experimental frame. Background Art

[0002] Machine vision (machine vision) or computer vision (computer vision) is the use of robots to replace human eyes for measurement and judgment. It is an important aspect of pattern recognition research. Computer vision is usually divided into low-level vision and high-level vision. Low-level vision mainly performs pre-processing functions such as edge detection, moving target detection, texture analysis, as well as three-dimensional modeling, surface color, etc. The main purpose is to make the seen objects more prominent. This is not yet the understanding stage. High-level vision is mainly to understand the objects and requires mastering knowledge related to the objects. The machine vision experimental frame is a specially designed equipment platform to support research, development and testing in the field of machine vision. It can provide a stable environment for image acquisition, processing and system evaluation. The existing experimental frame is not convenient for adjusting the height and position of the camera, which is very inconvenient and needs to be solved urgently. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the purpose of the present invention is to provide a machine vision experimental stand, which effectively solves the problem that the camera position is inconvenient to adjust.

[0004] The technical solution is as follows: the utility model includes a base, a fixed rod is fixedly connected to the upper end of the base, a lifting rod is slidably connected inside the fixed rod, a rotatable threaded rod is connected to the inner thread of the lifting rod, an extension rod is coaxially provided in the threaded rod, the extension rod is rotatably connected to the lifting rod, a rotatable hexagonal prism is slidably connected inside the extension rod, a driving assembly is provided on the right side of the base, the driving assembly can respectively drive the threaded rod and the hexagonal prism to rotate, a connecting frame is fixedly connected to the upper side of the lifting rod, a horizontal frame which can be moved left and right is provided on the connecting frame, a mounting frame is fixedly connected to the right side of the horizontal frame, an adjustment assembly is provided on the mounting frame, and a clamping frame is provided on the lower side of the adjustment assembly.

[0005] The lower end of the threaded rod is fixedly connected to a pulley 1, which is coaxially rotatably connected to the hexagonal prism. The lower end of the hexagonal prism is fixedly connected to a pulley 2 located on the lower side of the pulley.

[0006] The driving assembly includes a bracket, the upper end of the bracket is fixedly connected to a driving motor, the output end of the driving motor is fixedly connected to a retractable telescopic rod, the lower end of the telescopic rod is fixedly connected to a polygonal column, and two coaxial and upper and lower opposite pulleys are rotatably connected in the base, and a polygonal groove is provided in the middle of the pulley three, and the polygonal column can be inserted into the two polygonal grooves respectively, and the pulley one and the pulley two are respectively connected to the pulley three on their corresponding sides via belts.

[0007] The lower side of the bracket is slidably connected to a U-shaped moving frame, and driving grooves are respectively opened on the front and rear sides of the moving frame. The lower side of the telescopic rod is rotatably connected to a lifting ring, and the front and rear sides of the lifting ring are respectively fixedly connected to driving pins located in the driving grooves on the corresponding sides. A hydraulic rod is fixedly connected to the base, and the output end of the hydraulic rod is fixedly connected to the right end of the moving frame.

[0008] The upper end of the extension rod is fixedly connected to a bevel gear, the rear side of the connecting frame is rotatably connected to a rotating shaft, the front end of the rotating shaft is fixedly connected to a helical gear that can mesh with the bevel gear, the rear end of the rotating shaft is fixedly connected to a spur gear, and the lower end of the horizontal frame is fixedly connected to a rack that can mesh with the spur gear.

[0009] The adjustment component includes a knob, the lower end of the knob is fixedly connected to a sleeve, the inner thread of the sleeve is connected to a screw rod, the lower end of the screw rod is fixedly connected to the clamping frame, the upper end of the clamping frame is fixedly connected to two balance rods, and the balance rods are slidably connected to the mounting frame.

[0010] A placement plate is fixedly connected to the middle portion of the fixing rod.

[0011] The utility model arranges a driving assembly, a fixed rod, a threaded rod, an extension rod, a hexagonal prism and a very long frame, and can use the driving assembly to drive the threaded rod or the hexagonal prism to rotate, and then drive the horizontal frame to move up and down or forward and backward, so as to adjust the position of the visual camera, thereby achieving the purpose of adjusting the position of the visual camera according to experimental requirements. The installation frame, adjustment assembly and clamping frame are arranged, and the adjustment assembly can be used to finely adjust the camera position. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is an axonometric drawing of the present utility model.

[0013] Figure 2 It is a rear view schematic diagram of the present utility model.

[0014] Figure 3 It is a schematic diagram of the transverse frame in the present utility model.

[0015] Figure 4 It is a partially cutaway schematic diagram of the present invention.

[0016] Figure 5 It is a schematic diagram of the drive motor in the utility model.

[0017] Figure 6 It is an exploded right side view of the clamping frame in the utility model.

[0018] In the figure: 1. Base; 2. Fixed rod; 3. Lifting rod; 4. Threaded rod; 5. Extension rod; 6. Hexagonal prism; 7. Connecting frame; 8. Horizontal frame; 9. Mounting frame; 10. Clamping frame; 11. Pulley 1; 12. Pulley 2; 13. Bracket; 14. Driving motor; 15. Telescopic rod; 16. Polygonal prism; 17. Pulley 3; 18. Polygonal groove; 19. Moving frame; 20. Driving groove; 21. Lifting ring; 22. Driving pin; 23. Hydraulic rod; 24. Bevel gear; 25. Rotating shaft; 26. Helical gear; 27. Spur gear; 28. Rack; 29. ​​Knob; 30. Sleeve; 31. Screw; 32. Balance bar; 33. Placement plate. DETAILED DESCRIPTION

[0019] The specific implementation of the present invention will be further described in detail below with reference to the accompanying drawings.

[0020] Depend on Figures 1 to 6 It is given, including a base 1, a fixed rod 2 is fixedly connected to the upper end of the base 1, a lifting rod 3 is slidably connected inside the fixed rod 2, a rotatable threaded rod 4 is threadedly connected inside the lifting rod 3, an extension rod 5 is coaxially provided inside the threaded rod 4, the extension rod 5 is rotatably connected to the lifting rod 3, a rotatable hexagonal prism 6 is slidably connected inside the extension rod 5, a driving assembly is provided on the right side of the base 1, the driving assembly can respectively drive the threaded rod 4 and the hexagonal prism 6 to rotate, a connecting frame 7 is fixedly connected to the upper side of the lifting rod 3, a horizontal frame 8 which can be moved left and right is provided on the connecting frame 7, a mounting frame 9 is fixedly connected to the right side of the horizontal frame 8, an adjustment assembly is provided on the mounting frame 9, and a clamping frame 10 is provided on the lower side of the adjustment assembly.

[0021] As shown in the figure, a driving assembly, a fixed rod 2, a threaded rod 4, an extension rod 5, and a hexagonal prism 6 are set, and the frame can use the driving assembly to drive the threaded rod 4 or the hexagonal prism 6 to rotate, and then drive the horizontal frame 8 to move up and down or forward and backward, and then change the position of the clamping frame 10, so as to adjust the position of the visual camera, so as to facilitate the purpose of adjusting the position of the visual camera according to the experimental requirements. The mounting frame 9, the adjustment assembly and the clamping frame 10 are set, and the camera position can be finely adjusted by using the adjustment assembly, and the clamping frame 10 is set to facilitate clamping the camera.

[0022] The lower end of the threaded rod 4 is fixedly connected to a pulley 11, which is coaxially rotatably connected to the hexagonal prism 6. The lower end of the hexagonal prism 6 is fixedly connected to a pulley 2 12 located below the pulley 11.

[0023] As shown in the figure, a pulley 11 and a pulley 2 12 are provided to facilitate driving the threaded rod 4 and the hexagonal prism 6 to rotate.

[0024] The driving assembly includes a bracket 13, the upper end of the bracket 13 is fixedly connected to a driving motor 14, the output end of the driving motor 14 is fixedly connected to a retractable telescopic rod 15, the lower end of the telescopic rod 15 is fixedly connected to a polygonal column 16, and two coaxial and upper and lower opposite pulleys 17 are rotatably connected in the base 1. The middle part of the pulley 17 is provided with a polygonal groove 18, and the polygonal column 16 can be respectively inserted into the two polygonal grooves 18. The pulley 1 11 and the pulley 2 12 are respectively connected to the pulley 3 17 on their corresponding sides via belts.

[0025] As shown in the figure, a driving motor 14, a telescopic rod 15, a polygonal column 16, a pulley 3 17, a polygonal groove 18 and a belt are set up so that the driving motor 14 can be used to drive the polygonal column 16 to rotate through the extension rod 5. When the polygonal column 16 is located in the corresponding polygonal groove 18, the corresponding pulley 3 17 can be driven to rotate. The rotation of the pulley 3 17 can drive the hexagonal column 6 or the threaded rod 4 to rotate through the belt, thereby realizing the adjustment of the lifting or left and right movement of the horizontal frame 8.

[0026] The lower side of the bracket 13 is slidably connected to a U-shaped mobile frame 19, and a driving groove 20 is respectively opened on the front and rear sides of the mobile frame 19. The lower side of the telescopic rod 15 is rotatably connected to a lifting ring 21, and the front and rear sides of the lifting ring 21 are respectively fixedly connected to the driving pins 22 located in the driving groove 20 on the corresponding side. A hydraulic rod 23 is fixedly connected to the base 1, and the output end of the hydraulic rod 23 is fixedly connected to the right end of the mobile frame 19.

[0027] As shown in the figure, a moving frame 19, a driving groove 20, a lifting ring 21, a driving pin 22 and a hydraulic rod 23 are set. The hydraulic rod 23 can be used to drive the moving frame 19 to move back and forth, and then the lifting ring 21 can be driven to move up and down through the action of the driving groove 20 and the driving pin 22. The lifting ring 21 can be used to drive the telescopic rod 15 to be extended and retracted. When the lifting ring 21 moves to the lower end limit position, the polygonal column 16 is located in the polygonal groove 18 on the lower side. When the lifting ring 21 moves to the upper end limit position, the polygonal column 16 is located in the polygonal groove 18 on the upper side, thereby achieving the purpose of replacing the structure for driving.

[0028] The upper end of the extension rod 5 is fixedly connected to a bevel gear 24, the rear side of the connecting frame 7 is rotatably connected to a rotating shaft 25, the front end of the rotating shaft 25 is fixedly connected to a helical gear 26 that can mesh with the bevel gear 24, the rear end of the rotating shaft 25 is fixedly connected to a spur gear 27, and the lower end of the horizontal frame 8 is fixedly connected to a rack 28 that can mesh with the spur gear 27.

[0029] As shown in the figure, the bevel gear 24, the rotating shaft 25, the helical gear 26 and the spur gear 27 are provided with a rack 28. When the extension rod 5 rotates, the bevel gear 24 drives the helical gear 26 to rotate. The helical gear 26 drives the spur gear 27 to rotate. The spur gear 27 can drive the horizontal frame 8 to move left and right through the rack 28 to achieve horizontal adjustment of the camera position.

[0030] The adjustment assembly includes a knob 29, the lower end of the knob 29 is fixedly connected to a sleeve 30, the sleeve 30 is internally threaded with a screw rod 31, the lower end of the screw rod 31 is fixedly connected to the clamping frame 10, the upper end of the clamping frame 10 is fixedly connected to two balance rods 32, and the balance rods 32 are slidably connected to the mounting frame 9.

[0031] As shown in the figure, the knob 29, sleeve 30, screw 31 and balance rod 32 are set so that the clamping frame 10 can be raised and lowered by rotating the knob 29 through the sleeve 30 and screw 31 to achieve fine adjustment. The balance rod 32 can ensure normal adjustment and the clamping frame 10 will not rotate with it.

[0032] A placement plate 33 is fixedly connected to the middle portion of the fixing rod 2 .

[0033] As shown in the figure, the setting is convenient for placing experimental items.

[0034] When the present invention is in use, the experimental object is placed on the placement plate 33, the camera is clamped and fixed by the clamping frame 10, and then the driving motor 14 is started to drive the upper pulley 3 17 to rotate, thereby driving the threaded rod 4 to rotate, and the threaded rod 4 drives the lifting frame to rise to a suitable position to adjust the camera height, and the driving motor 14 is turned off;

[0035] Start the hydraulic rod 23, which drives the movable frame 19 to move to the left. When it moves to the left extreme position, the hydraulic rod 23 is closed. At this time, the movable frame 19 drives the polygonal column 16 to enter the polygonal groove 18 on the lower side through the telescopic rod 15. The drive motor 14 is started. The drive motor 14 drives the pulley 3 17 on the lower side to rotate, which can drive the extension rod 5 to rotate through the hexagonal column 6. When the extension rod 5 rotates, it drives the bevel gear 26 to rotate through the bevel gear 24. The bevel gear 26 rotates and drives the spur gear 27 to rotate. The spur gear 27 can drive the horizontal frame 8 to move left and right through the rack 28. After the horizontal position of the camera is adjusted to the appropriate position, the drive motor 14 is turned off.

[0036] When it is found that the motor height still needs to be finely adjusted, the knob 29 can be used to make fine adjustments, and the test can be carried out after the position positioning is completed.

[0037] In the present invention, the driving motor 14 and the hydraulic rod 23 are both prior art and will not be described in detail here.

[0038] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art may make various modifications, additions, or substitute similar methods to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

Claims

1. A machine vision experimental stand, comprising a base (1), characterized in that: The upper end of the base (1) is fixedly connected to a fixed rod (2), a lifting rod (3) is slidably connected inside the fixed rod (2), a rotatable threaded rod (4) is connected to the internal thread of the lifting rod (3), an extension rod (5) is coaxially provided inside the threaded rod (4), the extension rod (5) is rotatably connected to the lifting rod (3), and a rotatable hexagonal prism (6) is slidably connected inside the extension rod (5), a driving assembly is provided on the right side of the base (1), and the driving assembly can respectively drive the threaded rod (4) and the hexagonal prism (6) to rotate, a connecting frame (7) is fixedly connected to the upper side of the lifting rod (3), a horizontal frame (8) that can move left and right is provided on the connecting frame (7), a mounting frame (9) is fixedly connected to the right side of the horizontal frame (8), an adjustment assembly is provided on the mounting frame (9), and a clamping frame (10) is provided on the lower side of the adjustment assembly.

2. A machine vision experiment stand according to claim 1, characterized in that: The lower end of the threaded rod (4) is fixedly connected to a pulley 1 (11), the pulley 1 (11) is coaxially rotatably connected to the hexagonal prism (6), and the lower end of the hexagonal prism (6) is fixedly connected to a pulley 2 (12) located below the pulley 1 (11).

3. A machine vision experiment stand according to claim 2, characterized in that: The driving assembly comprises a bracket (13), the upper end of the bracket (13) is fixedly connected to a driving motor (14), the output end of the driving motor (14) is fixedly connected to a retractable telescopic rod (15), the lower end of the telescopic rod (15) is fixedly connected to a multi-prism (16), and the base (1) is rotatably connected to two coaxial and vertically opposite pulleys (17), the middle part of the pulley (17) is provided with a multi-prism groove (18), and the multi-prism (16) can be respectively inserted into the two multi-prism grooves (18), and the pulley (11) and the pulley (2) (12) are respectively connected to the pulley (17) on the corresponding side via a belt.

4. A machine vision experiment stand according to claim 3, characterized in that: The lower side of the bracket (13) is slidably connected to a U-shaped moving frame (19), and a driving groove (20) is respectively opened on the front and rear sides of the moving frame (19). The lower side of the telescopic rod (15) is rotatably connected to a lifting ring (21), and the front and rear sides of the lifting ring (21) are respectively fixedly connected to driving pins (22) located in the driving groove (20) on the corresponding side. A hydraulic rod (23) is fixedly connected to the base (1), and the output end of the hydraulic rod (23) is fixedly connected to the right end of the moving frame (19).

5. A machine vision experiment stand according to claim 1, characterized in that: The upper end of the extension rod (5) is fixedly connected to a bevel gear (24), the rear side of the connecting frame (7) is rotatably connected to a rotating shaft (25), the front end of the rotating shaft (25) is fixedly connected to a helical gear (26) that can mesh with the bevel gear (24), the rear end of the rotating shaft (25) is fixedly connected to a spur gear (27), and the lower end of the transverse frame (8) is fixedly connected to a rack (28) that can mesh with the spur gear (27).

6. A machine vision experiment stand according to claim 1, characterized in that: The adjustment assembly includes a knob (29), the lower end of the knob (29) is fixedly connected to a sleeve (30), the sleeve (30) is internally threadedly connected to a screw rod (31), the lower end of the screw rod (31) is fixedly connected to the clamping frame (10), the upper end of the clamping frame (10) is fixedly connected to two balance rods (32), and the balance rods (32) are slidably connected to the mounting frame (9).

7. A machine vision experiment stand according to claim 1, characterized in that: A placement plate (33) is fixedly connected to the middle portion of the fixing rod (2).

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