CN216208636U

CN216208636U - Image detection mechanism of polishing degree analyzer

Info

Publication number: CN216208636U
Application number: CN202122742044.XU
Authority: CN
Inventors: 吕顺; 刘继亮; 吕学庚; 吕学威
Original assignee: Liaoning Meijun Intelligent Equipment Co ltd; Meijun Intelligent Equipment Beijing Co ltd; Meijun Intelligent Equipment Panjin Co ltd
Current assignee: Liaoning Meijun Intelligent Equipment Co ltd; Meijun Intelligent Equipment Beijing Co ltd; Meijun Intelligent Equipment Panjin Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-04-05
Anticipated expiration: 2031-11-10

Abstract

The utility model relates to an image detection mechanism of a polishing degree analyzer, which comprises a supporting structure and a camera group, and has the technical key points that: the supporting structure comprises a sealing box, a camera support assembly and a light source support assembly which are fixed inside the sealing box, the upper surface of the sealing box is inclined to the horizontal plane and is provided with a through opening, a transparent cover plate is fixed at the position of the through opening, a camera group comprises a camera which is fixed on the camera support assembly and is positioned under the transparent cover plate, a front light source and a rear light source which face the transparent cover plate are arranged in the sealing box, the front light source and the rear light source are symmetrically arranged on two sides of the camera, and the light source support assembly comprises a front support for supporting the front light source and a rear support for supporting the rear light source. The mechanism solves the problem that the existing image detection mechanism can not realize on-line long-term continuous detection, can detect the smooth finish and the light and shade change of the surface of rice grains in continuous time, greatly improves the detection precision, and has low failure rate and low manufacturing cost.

Description

Image detection mechanism of polishing degree analyzer

Technical Field

The utility model relates to equipment for detecting processing precision of rice grains such as rice, in particular to an image detection mechanism of a polishing degree analyzer.

Background

With the continuous improvement of the living standard of people, people put higher requirements on the quality and the taste of crops such as rice and the like, and polished rice with excellent quality and glittering and translucent and smooth appearance is popular among people. Therefore, the rice polishing is an essential procedure in the rice fine processing process flow. The rice polishing is that the brown rice is milled by a plurality of machines, broken rice and bran pieces are removed, the brown rice is sprayed with water and moistened, and then the brown rice enters a polishing chamber of a polishing machine, and the surface of the rice grains is polished by friction at a certain pressure and temperature. Through polishing treatment, not only can remove chaff on the surface of rice grains, but also can pre-gelatinize and gelatinize starch on the surface of the rice grains, and the starch gelatinization makes up cracks, so that the glittering and clean appearance quality of the rice is obtained, and the storage performance and the practical quality of the rice are improved.

The polishing degree analyzer is used for detecting the polishing degree of rice grains such as rice and the like, and mainly comprises a rice distributing mechanism and a detecting mechanism. The detection mechanism is an important mechanism for determining detection precision, and a camera group adopted by the existing detection mechanism is arranged above a rice grain bearing surface and moves in two dimensions above the bearing surface through a camera support so as to achieve the purpose of comprehensive detection. But it has the following problems in the working process:

1. the camera support needs to be provided with a two-dimensional moving driving mechanism, and the configuration scheme has high failure rate, needs frequent maintenance and has high manufacturing cost; 2. because the bearing area is limited, the image detection mechanism and the rice distribution mechanism alternately work above the bearing surface, the detection work is intermittent, however, for the detection index of the polishing degree, the average smooth finish and the surface brightness change of rice grains are continuously detected for uninterrupted rice flow in a continuous time, the structural form can not meet the detection condition, and the detection precision of the current image detection mechanism is low.

In conclusion, the conventional image detection mechanism has the problems of low detection precision, high failure rate, high manufacturing cost and incapability of realizing online long-term continuous detection. Based on this, the existing image detection mechanism is in urgent need of improvement.

Disclosure of Invention

The utility model aims to provide an image detection mechanism of a polishing degree analyzer, which has a simple structure and is reliable to use, solves the problem that the conventional image detection mechanism cannot realize online long-term continuous detection, can detect the smooth finish and the light and shade change of the surface of rice grains in continuous time, greatly improves the detection precision, and has low failure rate and low manufacturing cost.

The technical scheme of the utility model is as follows:

the utility model provides a throw degree analysis appearance image detection mechanism, includes bearing structure, locates the camera group on the bearing structure, its technical essential is: the utility model discloses a transparent cover plate, including camera bracket assembly, supporting structure, camera group, camera both sides are equipped with the camera, the supporting structure includes the seal box, is fixed in inside camera bracket assembly and the light source bracket assembly of seal box, the seal box upper surface is inclined to the horizontal plane and is equipped with the through-hole, the fixed position transparent cover plate of through-hole, camera group is including being fixed in on the camera bracket assembly and being located the camera under the transparent cover plate, be equipped with the front light source and the back light source of orientation transparent cover plate in the seal box, front light source and back light source are at camera bilateral symmetry arrangement, the light source bracket assembly is including the front truck that supports the front truck and the after-poppet that supports the back light source, low and its leading flank is equipped with and is used for connecting the mount that waits to detect the grain of rice flow tray to the transparent cover plate conveying.

In the image detection mechanism of the polishing degree analyzer, the lower end of the upper surface of the seal box is provided with the recovery tank for receiving rice grains, the recovery tank comprises the bucket-shaped body and the semi-surrounding baffle arranged at the upper end of the bucket-shaped body, and two side plates on the opening side of the semi-surrounding baffle extend to the left side and the right side of the upper surface of the corresponding seal box and are fixed so as to prevent the rice grains from flowing down from the left side and the right side of the seal box.

In the image detection mechanism of the polishing degree analyzer, the included angle between the upper surface of the seal box and the horizontal plane is 20-40 degrees.

According to the image detection mechanism of the polishing degree analyzer, the sealing plate is arranged at the bottom of the sealing box, and the wire outlet pipe joint is additionally arranged on the side wall of the sealing box.

In the image detection mechanism of the polishing degree analyzer, the transparent cover plate is made of toughened glass.

According to the image detection mechanism of the polishing degree analyzer, the positioning bottom plate is arranged on the edge of the toughened glass, and the positioning bottom plate is fixedly connected with the upper surface of the sealing box. When the toughened glass is replaced, the toughened glass and the positioning bottom plate are replaced together, so that the device is convenient and quick.

In the image detection mechanism of the polishing degree analyzer, the left side wall and the right side wall of the seal box are respectively connected with the turnover support, the turnover support is a right-angle seat, the horizontal plate of the turnover support is provided with the adjustable mounting hole for being connected with the analyzer frame, the vertical plate of the turnover support is provided with the rotating shaft round hole and the concentric arc-shaped through hole arranged around the rotating shaft round hole, the rotating shaft is arranged in the rotating shaft round hole in a penetrating mode and is fixedly connected with the seal box, the positioning bolt is arranged in the concentric arc-shaped through hole in a penetrating mode, and the tail end of the positioning bolt is fixedly connected with the seal box. The design of upset support does benefit to the seal box and adjusts its and the contained angle of horizontal plane to adjust transparent cover's inclination, the speed that the control rice flows downwards.

The image detection mechanism of the polishing degree analyzer is characterized in that the camera bracket component is a cantilever bracket connected with the inner side wall of the seal box, and the cantilever bracket is connected with the seal box by adopting a height-adjustable structure, so that the height of the camera is adjusted, the focal length of the camera is adjusted, and the image acquisition effect is ensured.

The utility model has the beneficial effects that:

1. under the detection operating condition, what accept the grain of rice is the seal box upper surface of slope in the horizontal plane, specifically the transparent cover plate of seal box upper surface, the grain of rice can constantly be slided by transparent cover plate top, transparent cover plate is because of transparent attribute simultaneously, satisfy the camera in the seal box and see through the detection demand that transparent cover plate gathered the grain of rice image, the long-term continuity of detection work has been guaranteed to above technical means, thereby make this mechanism can carry out the detection of smooth finish and grain of rice surface light and shade change to incessant rice stream in continuous time, the problem that current image detection mechanism can not realize online long-term continuous detection has been solved, detection precision and detection efficiency have been improved greatly.

2. After the transparent cover plate and the camera group are subjected to position adjustment before working, the transparent cover plate and the camera group do not need to be moved again in the working process, a driving mechanism is not needed for assistance, the failure rate is reduced, and the manufacturing cost is low.

3. Although the lens of camera is towards transparent cover plate, its integration in the sealing box has prevented that the ash from falling on the camera lens to guarantee image acquisition effect, guaranteed the detection accuracy.

Drawings

FIG. 1 is an external structural view of the present invention;

fig. 2 is a schematic view of the internal structure of the present invention.

In the figure: 1. the device comprises a semi-surrounding baffle, 2 parts of a recovery groove, 3 parts of a transparent cover plate, 4 parts of a positioning bottom plate, 5 parts of a fixing frame, 6 parts of a wire outlet pipe joint, 7 parts of a sealing box, 8 parts of a rotating shaft, 9 parts of concentric arc-shaped through holes, 10 parts of a turnover support, 11 parts of positioning bolts, 12 parts of adjustable mounting holes, 13 parts of a rear light source, 14 parts of a rear support, 15 parts of a camera, 16 parts of a cantilever frame, 17 parts of a sealing plate, 18 parts of a front light source and 19 parts of a front support.

Detailed Description

The utility model is described in detail in conjunction with the drawings.

As shown in fig. 1 and 2, the image detection mechanism of the polishing degree analyzer includes a support structure and a camera group disposed on the support structure. The support structure comprises a sealing box 7, a camera bracket assembly and a light source bracket assembly, wherein the camera bracket assembly and the light source bracket assembly are fixed inside the sealing box 7. The upper surface of the sealing box 7 is inclined to the horizontal plane and is provided with a through hole, and the transparent cover plate 3 is fixed at the position of the through hole. The camera group comprises cameras which are fixed on the camera support component and are positioned right below the transparent cover plate 3. The inside of the sealed box 7 is provided with a front light source 18 and a rear light source 13 facing the transparent cover plate 3, and the front light source 18 and the rear light source 13 are symmetrically arranged on two sides of the camera 15 to provide the brightness required by the camera 15 during shooting. The light source holder assembly includes a front holder 19 supporting a front light source 18 and a rear holder 14 supporting a rear light source 13.

The front side of the sealing box 7 is higher than the rear side and is provided with a fixing frame 5 which is used for connecting a rice grain flowing disc for conveying rice grains to be detected to the transparent cover plate 3. 7 upper surface low level ends of seal box are equipped with the accumulator 2 that is used for accepting the grain of rice, accumulator 2 includes the bucket form body, locates half enclosure baffle 1 of bucket form body upper end, two curb plates on the opening side of half enclosure baffle 1 extend to the seal box 7 upper surface left and right both sides that correspond and fix to prevent that the grain of rice from flowing down from seal box 7 left and right both sides.

In this embodiment, the angle between the upper surface of the seal box 7 and the horizontal plane is 30 °. The transparent cover plate 3 is made of toughened glass. The edge of the toughened glass is provided with a positioning bottom plate 4, and the positioning bottom plate 4 is fixedly connected with the upper surface of the sealing box 7. When the toughened glass is replaced, the toughened glass and the positioning bottom plate 4 are replaced together, so that the device is convenient and quick. The bottom of the seal box 7 is provided with a seal plate 17, and the side wall of the seal box 7 is additionally provided with an outlet pipe joint 6. Upset support 10 is connected respectively to seal box 7 left and right both sides wall, upset support 10 is the right angle seat, and the horizontal plate of upset support 10 is equipped with the adjustable mounting hole 12 that is used for with analysis appearance frame connection, and the riser of upset support 10 is equipped with the pivot round hole and centers on the concentric arc through-hole 9 that the pivot round hole was arranged, wear to establish pivot 8 in the pivot round hole and be connected fixedly with seal box 7, wear to establish positioning bolt 11 in the concentric arc through-hole 9, positioning bolt 11 end is connected fixedly with seal box 7. The design of the turning support 10 is beneficial to the sealing box 7 to adjust the included angle between the sealing box and the horizontal plane, thereby adjusting the inclination angle of the transparent cover plate 3 and controlling the downward flowing speed of the rice. In this embodiment, the number of the adjustable mounting holes 12 on the same flip support 10 is two, and the number of the concentric arc-shaped through holes 9 is two.

The camera bracket component is a cantilever bracket 16 connected with the inner side wall of the seal box 7, the cantilever bracket 16 is connected with the seal box 7 by adopting a height-adjustable structure, so that the height of the camera 15 can be adjusted, the focal length of the camera 15 can be adjusted, and the image acquisition effect can be ensured. The height adjustable structure is only provided with height adjusting holes. The camera 15 is a high-speed camera, and can collect dynamic images of flowing rice, so that the detection efficiency is improved.

When the mechanism is used, the mechanism is fixed in an analyzer frame, and a shell is arranged outside the analyzer frame. The rice grains flowing down from the rice grain flowing plate continuously and uniformly pass through the transparent cover plate 3, the camera 15 carries out real-time uninterrupted image shooting under the assistance of the front light source 18 and the rear light source 13, and image data are transmitted to a computer terminal for analysis and calculation, so that detection data are obtained. The fallen rice grains are recovered by the recovery tank 2 and returned to the on-line production line through a recovery pipeline.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the utility model are also within the scope of the present patent.

Claims

1. The utility model provides a throw degree analysis appearance image detection mechanism, includes bearing structure, locates the camera group on the bearing structure, its characterized in that: the utility model discloses a transparent cover plate, including camera bracket assembly, supporting structure, camera group, camera both sides are equipped with the camera, the supporting structure includes the seal box, is fixed in inside camera bracket assembly and the light source bracket assembly of seal box, the seal box upper surface is inclined to the horizontal plane and is equipped with the through-hole, the fixed position transparent cover plate of through-hole, camera group is including being fixed in on the camera bracket assembly and being located the camera under the transparent cover plate, be equipped with the front light source and the back light source of orientation transparent cover plate in the seal box, front light source and back light source are at camera bilateral symmetry arrangement, the light source bracket assembly is including the front truck that supports the front truck and the after-poppet that supports the back light source, low and its leading flank is equipped with and is used for connecting the mount that waits to detect the grain of rice flow tray to the transparent cover plate conveying.

2. The polishing analyzer image detection mechanism according to claim 1, characterized in that: the seal box upper surface low level end is equipped with the accumulator that is used for accepting the grain of rice, the accumulator includes the bucket form body, locates the semi-enclosure baffle of bucket form body upper end, two curb plates of the opening side of semi-enclosure baffle extend to the seal box upper surface left and right both sides that correspond and fix.

3. The polishing analyzer image detection mechanism according to claim 1, characterized in that: the included angle between the upper surface of the seal box and the horizontal plane is 20-40 degrees.

4. The polishing analyzer image detection mechanism according to claim 1, characterized in that: the bottom of the seal box is provided with a seal plate, and the side wall of the seal box is additionally provided with a wire outlet pipe joint.

5. The polishing analyzer image detection mechanism according to claim 1, characterized in that: the transparent cover plate is made of toughened glass.

6. The polishing analyzer image detection mechanism according to claim 5, wherein: the edge of the toughened glass is provided with a positioning bottom plate, and the positioning bottom plate is fixedly connected with the upper surface of the seal box.

7. The polishing analyzer image detection mechanism according to claim 1, characterized in that: the upset support is connected respectively to the left and right both sides wall of seal box, the upset support is the right angle seat, and the horizontal plate of upset support is equipped with the adjustable mounting hole that is used for with analysis appearance frame connection, and the riser of upset support is equipped with the pivot round hole and centers on the concentric arc through-hole that the pivot round hole was arranged, wear to establish the pivot in the pivot round hole and be connected fixedly with the seal box, wear to establish positioning bolt in the concentric arc through-hole, positioning bolt end is connected fixedly with the seal box.

8. The polishing analyzer image detection mechanism according to claim 1, characterized in that: the camera bracket assembly is a cantilever bracket connected with the inner side wall of the seal box, and the cantilever bracket is connected with the seal box by adopting a height-adjustable structure.