CN219416087U - Device for visually measuring size of part - Google Patents

Abstract

The utility model discloses a device for visually measuring the size of a part, which comprises a base, a point light source, a lens, a placing platform, a screen and a camera, wherein racks are arranged on the upper surfaces of two sides of the base, a sliding groove is arranged in the middle of the base, a plurality of sliding blocks are arranged in the sliding groove, two supporting plates are fixedly arranged on the edges of two sides of the base, a limiting plate is fixedly arranged on the upper surfaces of the two supporting plates respectively, and a sealing cover is movably arranged on the upper surface of the limiting plate. According to the utility model, the motor, the camera and the computer are arranged, so that the multiple surfaces of the product to be measured can be conveniently measured, the size parameters of the product can be rapidly and accurately measured, the product is not required to be manually rotated by a worker, and the operation is simple and convenient.

Description

Device for visually measuring size of part

Technical Field

The utility model relates to the technical field of part size detection, in particular to a device for visually measuring the size of a part.

Background

The visual inspection is to replace human eyes with robots to make measurement and judgment. The visual detection means that the shot target is converted into an image signal through a machine visual product, the image signal is transmitted to a special image processing system, and the image signal is converted into a digital signal according to the pixel distribution, brightness, color and other information; the image system performs various operations on these signals to extract characteristics of the object, and further controls the operation of the on-site device according to the result of the discrimination. Is a valuable mechanism for production, assembly or packaging. It has immeasurable value in detecting defects and preventing defective products from being dispensed to consumers.

In recent years, with the development of computer vision technology, when measuring tiny parts, people begin to use acquired images of tiny parts to measure parameters, which is a new technology. The new technology can replace a lagging manual detection method, improves the detection efficiency and the industrial automation level, and does not damage the product to be detected when the computer vision technology is used for detection. However, the existing detection device can only detect the surface placed by workers, and cannot accurately find the maximum size of a product to be detected, so that an error exists in a detection result, and the detection difficulty is high.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a device for visually measuring the size of a part, and solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a device for vision measurement part size, includes base, pointolite, lens, place platform, screen and camera, the both sides upper surface of base is provided with the rack, the centre of base is provided with the spout, be provided with a plurality of slider in the spout, two side edge fixed mounting of base has two backup pads, the upper surface of two backup pads respectively fixed mounting has a limiting plate, surface movable mounting has a sealed cowling on the limiting plate.

Preferably, the point light source, the lens, the screen and the camera are clamped at the upper end of the connecting column and are movably connected with the sliding block.

Preferably, the sliding block is provided with a through hole, the rotating shaft penetrates through the through hole and is movably connected with the sliding block, gears meshed with the racks are fixedly arranged on two sides of the rotating shaft, and knobs are arranged at two ends of the rotating shaft.

Preferably, threaded holes are formed in two ends of the rotating shaft, a threaded rod corresponding to the threaded holes is fixedly mounted on one side of the knob, and the knob is in threaded connection with the rotating shaft.

Preferably, a limiting block is fixedly arranged on the outer sides of the two limiting plates respectively.

Preferably, the lower end of the placing platform is fixedly connected with a second rotating shaft, the bottom end of the base is provided with a motor, the lower end of the second rotating shaft is provided with a threaded hole, and the output end of the motor is provided with threads which are in threaded connection with the lower end of the second rotating shaft.

Preferably, the right end of the base is fixedly provided with a bracket, and one end of the bracket far away from the base is clamped and provided with a computer.

Preferably, the camera is connected with the computer in a wireless mode.

Preferably, a graduated scale is arranged at the lower end of the surface of one side of the base, on which the knob is arranged.

Compared with the prior art, the utility model has the beneficial effects that:

through setting up motor, screen, camera and computer, make to wait to examine the product and place on place the platform after through the parallel light with the product projection on the screen, rethread motor rotation place the platform and use camera and computer real-time supervision projected change, accurately find out the maximum size of product to can also be according to the size of the rotatory appointed angle measurement appointed face of demand control motor, easy operation is convenient, effectively reduces the error.

Drawings

FIG. 1 is a schematic cross-sectional view of a body of the present utility model;

fig. 2 is a schematic side view of the present utility model.

In the figure: 1. a base; 2. a point light source; 3. a lens; 4. placing a platform; 5. a screen; 6. a camera; 7. a rack; 8. a chute; 9. a slide block; 10. a support plate; 11. a limiting plate; 12. a sealing cover; 13. a connecting column; 14. a rotating shaft; 15. a gear; 16. a knob; 17. a limiting block; 18. a second rotating shaft; 19. a motor; 20. a bracket; 21. a computer; 22. a graduated scale.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present utility model provides a technical solution: the device comprises a base 1, a point light source 2, lenses 3, a placing platform 4, a screen 5 and a camera 6, wherein racks 7 are arranged on the upper surfaces of two sides of the base 1, a sliding groove 8 is arranged in the middle of the base 1, a plurality of sliding blocks 9 are arranged in the sliding groove 8, two supporting plates 10 are fixedly arranged on the edges of two sides of the base 1, a limiting plate 11 is fixedly arranged on the upper surfaces of the two supporting plates 10 respectively, and a sealing cover 12 is movably arranged on the upper surface of the limiting plate 11;

the point light source 2, the lens 3, the screen 5 and the camera 6 are clamped at the upper end of the connecting column 13 and are movably connected with the sliding block 9, a through hole is formed in the sliding block 9, the rotating shaft 14 penetrates through the through hole and is movably connected with the sliding block, gears 15 meshed with the racks 7 are fixedly arranged at two sides of the rotating shaft 14, knobs 16 are arranged at two ends of the rotating shaft 14, threaded holes are formed in two ends of the rotating shaft 14, threaded rods corresponding to the threaded holes are fixedly arranged on one side of the knobs 16 and are in threaded connection with the rotating shaft 14, a limiting block 17 is fixedly arranged on the outer sides of the two limiting plates 11 respectively, the gears 15 can roll on the racks 7 through rotating the knobs 16, the imaging definition and the imaging definition of a product to be measured on the screen 5 can be conveniently adjusted, the gears 15 can be prevented from falling off from the racks 7 or the two sides of the limiting plates 11 from rolling at different rolling distances through the supporting plates 10 and the limiting blocks 12, the sealing cover 12 can be stably covered on the limiting plates 11, the sealing cover 12 can enter the inside of equipment, the imaging definition is improved, and the imaging definition is improved;

the lower end of the placement platform 4 is fixedly connected with a second rotating shaft 18, a motor 19 is installed at the bottom end of the base 1, a threaded hole is formed in the lower end of the second rotating shaft 18, threads are formed at the output end of the motor 19 and are in threaded connection with the lower end of the second rotating shaft 18, a bracket 20 is fixedly arranged at the right end of the base 1, one end, far away from the base 1, of the bracket 20 is clamped and provided with a computer 21, a camera 6 is in wireless connection with the computer 21, the placement platform 4 can be controlled to rotate through the second rotating shaft 18 and the motor 19, images of a rotating product to be detected are recorded through the camera 6 and the computer 21, and the product size is rapidly obtained through calculation according to the imaging records;

the lower end of the surface of one side of the base 1 provided with the knob 16 is provided with a graduated scale 22, and according to products to be measured with different sizes, the focal length required for forming a clear image is different, and the focal length can be quickly adjusted through the knob 16 and the graduated scale 22;

working principle: placing the product to be measured on the placing platform 4, opening the point light source 2, changing the light emitted by the point light source 2 into parallel light through the lens 3 to irradiate the product to be measured, forming an image of the product to be measured on the screen 5, rotating the knob 16 to adjust the focal length to obtain a clear image, covering the sealing cover 12, starting the motor 19 to drive the placing platform 4 to rotate, observing the image formed on the screen 5 through the camera 6 and the computer 21, storing and recording parameters of the image required by measuring the size, and calculating the size of the product to be measured through the parameters.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a device for vision measurement part size, includes base (1), pointolite (2), lens (3), place platform (4), screen (5) and camera (6), its characterized in that, the both sides upper surface of base (1) is provided with rack (7), the centre of base (1) is provided with spout (8), be provided with a plurality of slider (9) in spout (8), the both sides edge fixed mounting of base (1) has two backup pads (10), each fixed mounting of upper surface of two backup pads (10) has a limiting plate (11), surface movable mounting has a sealed cowling (12) on limiting plate (11).

2. Device for visual measurement of the dimensions of a part according to claim 1, characterized in that the point light source (2), the lens (3), the screen (5) and the camera (6) are clamped at the upper end of the connecting column (13) and are movably connected with the slider (9).

3. Device for the visual measurement of the dimensions of a part according to claim 1, characterized in that said slide (9) is provided with a through hole, a rotating shaft (14) is movably connected with the slide through the through hole, gears (15) engaged with the rack (7) are fixedly mounted on both sides of the rotating shaft (14), and knobs (16) are mounted on both ends of the rotating shaft (14).

4. A device for visual measurement of the dimensions of a part according to claim 3, characterized in that the two ends of the shaft (14) are provided with threaded holes, one side of the knob (16) is fixedly provided with a threaded rod corresponding to the threaded holes, and the knob (16) is screwed with the shaft (14).

5. Device for visual measurement of the dimensions of a part according to claim 1, characterized in that a stop block (17) is fixedly mounted on the outside of each of the two stop plates (11).

6. The device for visually measuring the size of the part according to claim 5, wherein the lower end of the placement platform (4) is fixedly connected with a second rotating shaft (18), the bottom end of the base (1) is provided with a motor (19), the lower end of the second rotating shaft (18) is provided with a threaded hole, and the output end of the motor (19) is provided with threads which are in threaded connection with the lower end of the second rotating shaft (18).

7. The device for visually measuring the size of the part according to claim 1, wherein a bracket (20) is fixedly arranged at the right end of the base (1), and a computer (21) is arranged at one end of the bracket (20) far away from the base (1) in a clamping manner.

8. Device for visual measurement of the dimensions of a part according to claim 1, characterized in that the camera (6) is connected wirelessly to a computer (21).

9. Device for visual measurement of the dimensions of a part according to claim 1, characterized in that the lower end of the side surface of the base (1) on which the knob (16) is mounted is provided with a scale (22).