A grain imperfection analyzer

Abstract

The application discloses a grain imperfect kernel analyzer and relates to the technical field of grain analysis and detection.The grain imperfect kernel analyzer comprises an operation table and an analysis box arranged at the upper end of the operation table.The device innovatively integrates an automatic overturning structure of a lifting assembly, a transmission assembly and a pushing assembly, after the front surface of grain is shot, the lifting assembly drives the stable vertical descent of a bearing table, the relative trajectory transmission of a side plate inclined groove, a vertical groove and a transmission pin is utilized, the automatic pushing of a pressing plate outward and the unilateral pressing of the upper end of a grain are realized, the overturning torque difference is formed by the cooperation of the first V-shaped chute and the bearing limiting of the bottom of the grain, the grain is accurately overturned at the bottom fulcrum and stably falls into the second V-shaped chute to complete the lifting positioning, compared with the traditional detection equipment which can only shoot one side, the structure can automatically expose the hidden mildew, insect damage and damage defects of the bottom surface of the grain, realizes the full coverage detection of the front and back surfaces, and greatly reduces the missed detection and misjudgment probability of imperfect kernels.

Description

Technical Field

[0001] This invention relates to the field of grain analysis and testing technology, specifically to a grain imperfect grain analyzer. Background Technology

[0002] The detection of imperfect grains is a key quality inspection item for grain and oil warehousing acceptance, purchase pricing, and storage quality control. The current detection is divided into two categories: manual visual screening and automated instrument detection. Manual detection is greatly affected by the subjective experience and vision of the personnel, and the judgment standards are not uniform and the detection efficiency is low. At present, the industry is gradually popularizing grain imperfect grain analyzers based on machine vision, which rely on vibration feeding, track feeding and camera imaging to complete the identification of grain defects.

[0003] When analyzing and detecting the perfection of grains, the grain imperfect grain analyzer only captures the image of the top-facing side of the grain after it is conveyed. Hidden defects such as insect damage, mold, and breakage on the bottom surface where the grain is in contact with the conveyor trough cannot be captured by the camera. In some devices that can perform flipping detection, the grain flipping mechanism and the camera have two independent drive systems, and their actions cannot be synchronized. After the grain is flipped, the camera cannot accurately follow the movement and align with the grain to be tested. Often, the grain has already rolled out of the conveyor before the lens is in position, resulting in missed detection of imperfect grains and restricting the overall detection accuracy of the machine. To address this, we propose a grain imperfect grain analyzer. Summary of the Invention

[0004] The purpose of this invention is to provide a grain imperfect grain analyzer to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a grain imperfect grain analyzer, comprising an operating table and an analysis box disposed on the upper part of the operating table, wherein the analysis box is provided with a feeding port for feeding and a discharging port for discharging, a collection box for collecting the discharged material is disposed on the outside of the analysis box, and a vibrating feeding plate for vibrating feeding and a camera for capturing analysis are disposed inside the analysis box, wherein the vibrating feeding plate is provided with a discharging end, and further comprising: A sliding connection component, located inside the analysis box, is used to assist in the sliding connection of the camera; A material guiding assembly is disposed inside the analyzer and between the vibrating feed plate and the discharge port for guiding and conveying materials. The material guiding assembly includes a first material guiding plate and a second material guiding plate disposed inside the analyzer. In addition, a carrying component for carrying the conveyed material is disposed between the first guide plate and the second guide plate. The analysis box is provided with a lifting component for raising and lowering the carrying component. The carrying component is provided with a pushing component for pushing the conveyed material against it during the descent of the carrying component. The material conveyed on the first guide plate is flipped under the action of the lifting component and the pushing component and is supported by the carrying component. The auxiliary camera captures and analyzes the front and back of the conveyed material. A linkage component is provided between the carrying component and the sliding component for linkage during the lifting process. The material is used to move the camera horizontally synchronously after flipping to ensure effective capture of the flipped material.

[0006] Preferably, the material guiding assembly further includes a first V-shaped trough for centering the material at the upper ends of the first and second guide plates. The second guide plate is fixed inside the analyzer, and the end of the second guide plate away from the first guide plate is above the discharge port. The end of the first guide plate away from the second guide plate is abutted against the discharge end of the vibrating feed plate. An auxiliary telescopic connection telescopic component and an adjustment component for auxiliary spacing adjustment are provided between the first and second guide plates.

[0007] Preferably, the bearing assembly includes a bearing platform disposed between the first guide plate and the second guide plate. A second V-shaped material trough is provided on the bearing platform. After the bearing platform is driven to descend, the second V-shaped material trough is connected to the first V-shaped material trough. The first V-shaped material trough and the second V-shaped material trough are inclined towards the discharge port after being connected, which is used to guide and convey materials under the action of gravity. An installation groove is provided on the side of the bearing platform facing the first guide plate. A pressure plate for pressing against the material is provided in the installation groove. Transmission assemblies for extending the pressure plate outward during the descent of the bearing platform are provided on both sides of the bearing platform.

[0008] Preferably, the pushing component includes a slot formed on the support platform, a connecting plate is provided inside the slot, one end of the pressure plate is fixed to the connecting plate, and multiple sets of mounting rods are slidably connected to the connecting plate, with the mounting rods fixed inside the slot.

[0009] Preferably, the transmission assembly includes a side plate disposed on one side of the support platform. The side plate has an inclined groove and a vertical groove. The inclined groove and the vertical groove are connected end to end, and the inclined groove is located above the vertical groove. A transmission pin is slidably connected in the inclined groove. One end of the transmission pin is fixed to a connecting plate. A connecting block is fixed on the side plate. The connecting block is connected and fixed to the inner wall of the analysis box by multiple sets of fixing rods.

[0010] Preferably, the sliding connection assembly includes a mounting base fixed to the upper end of the camera, a plurality of T-shaped rods are slidably connected to the mounting base, the T-shaped rods are fixed inside the analysis box, and springs are sleeved on the outer side of the T-shaped rods.

[0011] Preferably, two sets of linkage components are symmetrically arranged between the mounting base and the support platform. The linkage components include a square sliding sleeve and a square sliding plate disposed between the mounting base and the support platform. The square sliding plate is slidably connected to the square sliding sleeve. The ends of the square sliding sleeve and the square sliding plate that are far apart from each other are rotatably connected to the mounting base and the support platform respectively by pins.

[0012] Preferably, the lifting assembly includes a U-shaped seat fixed inside the analysis chamber, a first threaded tube rotatably connected to the U-shaped seat, a first threaded rod threadedly engaged with the first threaded tube, one end of the first threaded rod being fixed to the bottom of the support platform, a drive motor for driving the first threaded tube being installed on the U-shaped seat, two sets of first sleeves fixed on the U-shaped seat, the two sets of first sleeves being symmetrically arranged on both sides of the first threaded tube, a first slide rod slidably connected to the first sleeve, one end of the first slide rod being fixed to the bottom of the support platform.

[0013] Preferably, two sets of telescopic components are symmetrically arranged between the first guide plate and the second guide plate. The telescopic component includes a mounting block fixed to one side of the first guide plate and the second guide plate. A second sleeve and a second sliding rod are arranged between the two sets of mounting blocks. The second sliding rod is slidably connected to the second sleeve, and the ends of the second sleeve and the second sliding rod that are far apart from each other are respectively fixed to the two sets of mounting blocks.

[0014] Preferably, the adjustment assembly includes a second threaded tube and a second threaded rod disposed between two sets of mounting blocks. The second threaded rod is threadedly engaged with the second threaded tube, one end of the second threaded tube is fixed to the mounting block, and the second threaded rod is rotatably connected to the other set of mounting blocks. A drive pin is fixed to one end of the second threaded rod.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. This device is equipped with a guide component that can guide and limit the movement of grains. After being dispersed by the vibrating feeding plate and discharged individually, the grains are smoothly conveyed into the first V-shaped trough of the first guide plate. The V-shaped trough structure enables automatic centering, correction, and positioning, effectively preventing problems such as deviation, offset, and disordered posture during grain conveying. At the same time, relying on the inclined guide structure in combination with gravity feeding, each grain can be orderly, stationary, and fixed in position, ensuring uniform grain position and clear, centered imaging when shooting from the front. This completely solves the problems of disordered feeding and large image deviation in traditional equipment, providing stable conveying conditions for standardized image acquisition. 2. This device innovatively integrates a lifting component, a transmission component, and a pushing component to form an automatic flipping structure. After the front of the grain is photographed, the lifting component drives the support platform to descend smoothly and vertically. Utilizing the relative trajectory transmission of the side plate inclined groove, vertical groove, and transmission pin, the pressure plate is automatically pushed outward and presses against the upper end of the grain on one side. Combined with the bearing limit of the bottom of the grain by the first V-shaped material trough, a flipping torque difference is formed, allowing the grain to be accurately flipped with the bottom fulcrum and stably fall into the second V-shaped material trough to complete the lifting and positioning. Compared with traditional detection equipment that can only photograph one side, this structure can automatically expose hidden defects such as mold, insect infestation, and damage on the bottom of the grain, achieving full coverage detection on both sides and greatly reducing the probability of missing or false detection of imperfect grains. 3. This device features a symmetrical linkage component between the load-bearing assembly and the camera sliding assembly, enabling mechanical synchronization between the grain flipping action and the camera's lateral movement. As the load-bearing platform descends and flips the grain, the adaptive sliding deflection of the square sleeve and square slide plate pulls the camera mounting base to slide precisely laterally along the T-shaped rod, allowing the camera to dynamically align with the grain flipping position in real time. This ensures that the lens is always directly above the grain after flipping, achieving precise framing and shooting without additional electronic control calibration. This effectively solves the problems of lens alignment lag, offset, and shooting failure in traditional flipping equipment, greatly improving the accuracy and effectiveness of flipping image acquisition. Furthermore, the spring structure allows the camera to automatically reset after shooting, ensuring a stable and reliable structure. 4. This device is equipped with a telescopic component and an adjustment component between the two sets of guide plates. The screw feed transmission can be driven by rotating the drive pin. With the telescopic guidance of the sleeve and slide rod, the assembly gap between the first guide plate and the second guide plate can be precisely adjusted. The guide gap can be adaptively matched according to the particle size of different grains such as corn, wheat, rice, and soybeans. Large-diameter grains can avoid jamming and blockage by increasing the gap, while small-diameter grains can prevent leakage and stacking by reducing the gap. The device always maintains a single-grain orderly conveying state, which is suitable for multi-category grain detection operations and effectively breaks through the limitations of traditional fixed guide structures that can only detect a single grain and have poor adaptability. 5. This equipment integrates automatic vibration feeding, centering material guiding, fixed-point positioning, automatic flipping, synchronous alignment and shooting, and gravity automatic discharge and collection into a unified operation process. The entire process requires no manual intervention to straighten the grains or adjust the lens position. It has a high degree of mechanization and good working condition consistency. It ensures that the conveying posture, flipping angle, and shooting position height of each batch of grains are uniform, so that the test data of multiple batches are stable and highly repeatable. It can also automatically complete the discharge and collection, avoiding the accumulation of residual grains that affect continuous testing. It effectively improves the overall accuracy, stability and operation efficiency of automated detection of imperfect grains. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall external structure of the present invention; Figure 2 This is a schematic diagram of the internal structure of the analysis box of the present invention; Figure 3 This is a schematic diagram showing the positional relationship between the vibrating feeder, the guiding assembly, and the discharge port of the present invention. Figure 4 This is a schematic diagram showing the positional relationship between the camera, the material guiding component, and the supporting component of the present invention; Figure 5 This is a schematic diagram of the telescopic component and adjustment component of the present invention; Figure 6 This is a schematic diagram of the material guiding assembly, sliding connection assembly, and linkage assembly of the present invention; Figure 7 This is a schematic diagram of the structure of the supporting component and the pushing component of the present invention; Figure 8 This is a schematic diagram of the structure of the driving component and the transmission component of the present invention; Figure 9 This is a schematic diagram of the lifting component structure of the present invention; Figure 10 This is a schematic diagram showing the positioning state of one end of the material against one side of the support platform during the guiding and conveying process of the material according to the present invention; Figure 11 This is a schematic diagram illustrating the state of the materials in this invention when they are counteracted and flipped. Figure 12 This is a schematic diagram showing the state of the materials after they have been counteracted and flipped according to the present invention. Figure 13 This is a schematic diagram of the initial shooting state of the camera in this invention; Figure 14 This is a schematic diagram of the camera capturing images after the material has been flipped, according to the present invention.

[0017] In the diagram: 101-Operating table; 102-Analysis box; 103-Feeding port; 104-Discharge port; 105-Collection box; 106-Camera; 107-Vibrating feeding plate; 201-First guide plate; 202-Second guide plate; 203-First V-shaped trough; 301-Mounting block; 302-Second sleeve; 303-Second slide bar; 401-Second threaded pipe; 402-Second threaded rod; 403-Drive pin; 501-Bearing platform; 502-Second V-shaped trough; 503-Mounting slot; 504-Pressure plate; 601-Slotted; 602-Connecting plate; 603-Mounting rod; 701-Side plate; 702-Slanted groove; 703-Vertical groove; 704-Transmission pin; 705-Connecting block; 706-Fixing rod; 801-U-shaped seat; 802-First threaded pipe; 803-First threaded rod; 804-Drive motor; 805-First sleeve; 806-First slide rod; 901-Mounting seat; 902-T-shaped rod; 903-Spring; 1001-Square sliding sleeve; 1002-Square sliding plate. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] Example 1

[0020] Please see Figures 1-14 The figure shows a grain imperfect grain analyzer, including an operating table 101 and an analysis box 102 set on the upper end of the operating table 101. The analysis box 102 is provided with a feeding port 103 for feeding and a discharging port 104 for discharging. A collection box 105 for discharging and collecting is provided on the outside of the analysis box 102. The analysis box 102 is provided with a vibrating feeding plate 107 for vibrating feeding and a camera 106 for capturing and analyzing. The vibrating feeding plate 107 is provided with a discharging end. It should be noted that when the grain imperfect grain analyzer is used to analyze grain imperfect grains, the operator puts the grain sample into the analysis box 102 through the feeding port 103. The grain falls into the vibrating feeding plate 107. The high-frequency vibration of the vibrating feeding plate 107 realizes automatic dispersion and orderly discharge, so that the individual grains are smoothly sent out from the discharge end of the vibrating feeding plate 107. During the conveying process, the camera 106 inside the analysis box 102 is aimed at the front area of ​​the grain facing upwards to complete the acquisition of the front appearance image of the grain, so as to realize the identification and analysis of defects on the front of the grain. In addition, the principles of grain conveying, analysis and imaging inside the analyzer are known technologies in this application and will not be elaborated on here. Also includes: A sliding connection component is located inside the analysis box 102 to assist in the sliding connection of the camera 106; The material guiding assembly is located inside the analyzer 102 and between the vibrating feed plate 107 and the discharge port 104. It is used for guiding and conveying materials. The material guiding assembly includes a first guide plate 201 and a second guide plate 202 located inside the analyzer 102. In addition, a carrying component for carrying the conveyed material is set between the first guide plate 201 and the second guide plate 202. The analysis box 102 is equipped with a lifting component for lifting the carrying component. The carrying component is equipped with a pushing component for pushing the conveyed material against it during the descent of the carrying component. The material conveyed on the first guide plate 201 is flipped under the action of the lifting component and the pushing component and is lifted by the carrying component. The auxiliary camera 106 takes pictures and analyzes the front and back of the conveyed material. A linkage component is set between the carrying component and the sliding component for linkage during the lifting process. The material moves horizontally to the camera 106 synchronously after flipping to ensure effective shooting of the flipped material. It should be noted that: the vibrating feeding plate 107 enables automatic and orderly distributing of grain, and the first V-shaped trough 203 at the top of the first guide plate 201 and the second guide plate 202 centers and guides the grain, ensuring that the grain is conveyed in a regular posture and uniform position, guaranteeing clear and standardized imaging of the front side. During the conveying process, through the cooperation of the bearing component, lifting component, pushing component and transmission component, after the front side of the grain is photographed, the grain is automatically and stably flipped and lifted through transmission, effectively solving the problems of traditional equipment being unable to flip the grain independently and the difficulty in detecting hidden defects on the back side. At the same time, relying on the linkage component between the bearing platform 501 and the camera 106, the camera 106 can be moved synchronously and accurately during the grain flipping process, so that the camera 106 is aligned with the top of the flipped grain in real time, ensuring that the front and back sides of the grain can be accurately aligned and photographed, achieving full coverage and no blind spots in the detection of surface defects of the grain, greatly reducing the probability of missed detection and false detection, and significantly improving the detection accuracy and reliability of imperfect grains.

[0021] Preferably, the material guiding assembly further includes a first V-shaped trough 203 for centering the material, which is opened on the upper end of the first guide plate 201 and the second guide plate 202. The second guide plate 202 is fixed inside the analyzer 102, and the end of the second guide plate 202 away from the first guide plate 201 is located above the discharge port 104. The end of the first guide plate 201 away from the second guide plate 202 is abutted against the discharge end of the vibrating feed plate 107. An auxiliary telescopic connection telescopic component and an adjustment component for auxiliary spacing adjustment are provided between the first guide plate 201 and the second guide plate 202. It should be noted that: when the grain enters the first V-shaped trough 203 at the upper end of the first guide plate 201, the grain is centered, limited, guided and corrected by the trough structure of the first V-shaped trough 203, so as to avoid deviation or offset during the grain transportation process and ensure that each grain has a regular posture and uniform position. At the same time, the first guide plate 201 is set at an inclination, and the grain slides forward steadily along the first V-shaped trough 203 under its own gravity. After the front and back are photographed, the support platform 501 continues to descend, so that the first V-shaped trough 203 and the second V-shaped trough 502 are connected to each other and form an inclined channel. The grain slides along the trough under the action of gravity, is transported to the discharge port 104 through the second guide plate 202, and finally falls into the collection box 105 to complete the automatic collection.

[0022] Preferably, the supporting component includes a supporting platform 501 disposed between the first guide plate 201 and the second guide plate 202. The supporting platform 501 has a second V-shaped material groove 502. After the supporting platform 501 is driven to descend, the second V-shaped material groove 502 is connected to the first V-shaped material groove 203. The first V-shaped material groove 203 and the second V-shaped material groove 502 are inclined towards the discharge port 104 after being connected, which is used to guide and transport materials under the action of gravity. The supporting platform 501 has an installation groove 503 on the side facing the first guide plate 201. A pressure plate 504 for pressing against the material is disposed in the installation groove 503. The two sides of the supporting platform 501 are provided with transmission components for extending the pressure plate 504 outward during the descent of the supporting platform 501. It should be noted here that the material is flipped, pushed, and lifted using the load-bearing components.

[0023] Preferably, the pushing component includes a slot 601 formed on the support platform 501, a connecting plate 602 is provided inside the slot 601, one end of the pressure plate 504 is fixed to the connecting plate 602, and multiple sets of mounting rods 603 are slidably connected on the connecting plate 602, and the mounting rods 603 are fixed inside the slot 601. It should be noted that during the descent of the support platform 501, the transmission assembly drives the connecting plate 602 to slide outward along multiple sets of mounting rods 603 inside the slot 601. Simultaneously, the connecting plate 602 pushes the pressure plate 504 outward from inside the mounting slot 503, so that the pressure plate 504 presses against the upper one-side position of the positioned grain. At this time, the bottom of the grain is supported and limited by the first V-shaped feed trough 203, and the upper one-side is pushed by the pressure plate 504, forming a torque difference, which forces the grain to flip over with the bottom contact point as the fulcrum. Finally, the grain is stably flipped and falls into the second V-shaped feed trough 502 of the support platform 501, completing the grain flipping, lifting and positioning.

[0024] Preferably, the transmission assembly includes a side plate 701 disposed on one side of the support platform 501. The side plate 701 has an inclined groove 702 and a vertical groove 703. The inclined groove 702 and the vertical groove 703 are connected end to end, and the inclined groove 702 is located above the vertical groove 703. A transmission pin 704 is slidably connected in the inclined groove 702. One end of the transmission pin 704 is fixed to the connecting plate 602. A connecting block 705 is fixed on the side plate 701. The connecting block 705 is connected and fixed to the inner wall of the analyzer 102 by multiple sets of fixing rods 706. It should be noted here that during the descent of the support platform 501, the side plate 701 fixed to the inner wall of the analyzer 102 remains stationary. The inclined groove 702 and vertical groove 703 on the side plate 701 slide relative to the transmission pin 704. The transmission pin 704 slides from the inclined groove 702 to the vertical groove 703, thereby driving the connecting plate 602 to slide outward along multiple sets of mounting rods 603 inside the slot 601. Simultaneously, the connecting plate 602 pushes the pressure plate 504 to extend outward from inside the mounting groove 503.

[0025] Preferably, the sliding connection assembly includes a mounting base 901 fixed to the upper end of the camera 106, a plurality of T-shaped rods 902 are slidably connected to the mounting base 901, the T-shaped rods 902 are fixed inside the analysis box 102, and springs 903 are sleeved on the outer side of the T-shaped rods 902; It should be noted that the mounting base 901 and the T-shaped rod 902 assist in the sliding connection of the camera 106, and the spring 903 facilitates the reset of the camera 106 after movement.

[0026] Preferably, two sets of linkage components are symmetrically arranged between the mounting base 901 and the support platform 501. The linkage components include a square sliding sleeve 1001 and a square sliding plate 1002 disposed between the mounting base 901 and the support platform 501. The square sliding plate 1002 is slidably connected to the square sliding sleeve 1001. The ends of the square sliding sleeve 1001 and the square sliding plate 1002 that are far apart from each other are rotatably connected to the mounting base 901 and the support platform 501 respectively by pins. It should be noted that during the descent of the support platform 501, the camera 106 is synchronously displaced through two sets of symmetrically arranged linkage components. The support platform 501 pulls the square slide plate 1002 to slide relative to the square sliding sleeve 1001 and the angle adaptively deflects, thereby pulling the upper mounting base 901 to slide laterally along the T-shaped rod 902, compressing the outer spring 903, so as to achieve precise lateral movement of the camera 106, so that the camera 106 is aligned with the position directly above the grain after it has been flipped.

[0027] Preferably, the lifting assembly includes a U-shaped seat 801 fixed inside the analysis box 102, a first threaded tube 802 rotatably connected to the U-shaped seat 801, a first threaded rod 803 threadedly engaged with the first threaded tube 802, one end of the first threaded rod 803 being fixed to the bottom of the support platform 501, a drive motor 804 for driving the first threaded tube 802 being installed on the U-shaped seat 801, two sets of first sleeves 805 being fixed on the U-shaped seat 801, the two sets of first sleeves 805 being symmetrically arranged on both sides of the first threaded tube 802, a first slide rod 806 being slidably connected to the first sleeve 805, one end of the first slide rod 806 being fixed to the bottom of the support platform 501; It should be noted here that: when the lifting assembly is started, the drive motor 804 inside the lifting assembly drives the first threaded tube 802 on the U-shaped seat 801 to rotate. The first threaded tube 802 and the first threaded rod 803 engage with each other, driving the first threaded rod 803 to move vertically downward, thereby driving the entire support platform 501 to rise and fall. The first sleeves 805 on both sides slide and engage with the first slide rod 806 to precisely guide and limit the descent stroke of the support platform 501, ensuring that the support platform 501 rises and falls smoothly and vertically. In addition, the drive motor 804 is a conventional drive component in this application, and its working principle and control method are well known technologies, so they will not be described in detail here.

[0028] Preferably, two sets of telescopic components are symmetrically arranged between the first guide plate 201 and the second guide plate 202. The telescopic components include mounting blocks 301 fixed to one side of the first guide plate 201 and the second guide plate 202. A second sleeve 302 and a second slide rod 303 are arranged between the two sets of mounting blocks 301. The second slide rod 303 is slidably connected to the second sleeve 302, and the ends of the second sleeve 302 and the second slide rod 303 that are far apart from each other are respectively fixed to the two sets of mounting blocks 301. The adjusting component includes a second threaded tube 401 and a second threaded rod 402 arranged between the two sets of mounting blocks 301. The second threaded rod 402 is threadedly engaged with the second threaded tube 401. One end of the second threaded tube 401 is fixed to the mounting block 301. The second threaded rod 402 is rotatably connected to the other set of mounting blocks 301, and a drive pin 403 is fixed to one end of the second threaded rod 402. It should be noted that manually rotating the drive pin 403 causes the second threaded rod 402 to rotate relative to the second threaded tube 401. Utilizing the threaded feed transmission, this pulls or pushes the two sets of mounting blocks 301 to move relative to each other. Simultaneously, in conjunction with the telescopic sliding guide function of the second sleeve 302 and the second slide rod 303, the distance between the first guide plate 201 and the second guide plate 202 can be precisely adjusted. By adjusting the distance, material jamming or leakage due to distance issues during the conveying process on the first guide plate 201 and the second guide plate 202 can be avoided.

[0029] This solution includes a grain imperfect grain analyzer, comprising the following steps: When performing imperfect grain analysis, the operator feeds the grain sample into the analysis chamber 102 through the feeding port 103. The grain falls into the vibrating feeding plate 107, where high-frequency vibration achieves automatic dispersion and orderly discharge, ensuring that individual grains are smoothly conveyed from the discharge end of the vibrating feeding plate 107 and adhered to the first guide plate 201. The grain enters the first V-shaped trough 203 at the upper end of the first guide plate 201. The trough structure of the first V-shaped trough 203 centers and guides the grain, preventing it from deviating or shifting during transport and ensuring that each grain is in a regular and uniform position. Simultaneously, the first guide plate 201 is inclined, and the grain slides forward stably along the first V-shaped trough 203 under its own weight, ultimately bringing one end of the grain against the side of the support platform 501 (see reference). Figure 10 (State) to achieve precise positioning and fixed-point static placement of grain. After the grain is positioned, the camera 106 inside the analysis box 102 is aimed at the front area of ​​the grain facing upwards to complete the acquisition of the front appearance image of the grain, realize the preliminary identification and analysis of defects on the front of the grain, and ensure that the front image is centered, clear and without offset, providing basic image data for accurate detection. During the detection process, the pressure plate 504 on the support platform 501 is inside the mounting slot 503 and will not obstruct or interfere with the grain during the shooting process, ensuring complete shooting of the front of the grain. After the grain front is photographed, the lifting assembly is activated. The drive motor 804 inside the lifting assembly drives the first threaded tube 802 on the U-shaped seat 801 to rotate. The first threaded tube 802 engages with the first threaded rod 803, causing the first threaded rod 803 to move vertically downwards, thereby driving the support platform 501 to descend as a whole. The first sleeves 805 on both sides slide against the first sliding rod 806, precisely guiding and limiting the descent of the support platform 501, ensuring a smooth and vertical descent without deviation or swaying. During the descent of the support platform 501, the side plates 70 fixed to the inner wall of the analysis chamber 102... 1. Remaining stationary, the inclined groove 702 and vertical groove 703 on the side plate 701 slide relative to the transmission pin 704. The transmission pin 704 slides from the inclined groove 702 to the vertical groove 703, thereby driving the connecting plate 602 to slide outward along multiple sets of mounting rods 603 inside the slot 601. Simultaneously, the connecting plate 602 pushes the pressure plate 504 to extend outward from inside the mounting groove 503, so that the pressure plate 504 presses against the upper one-sided position of the grain after positioning. At this time, the bottom of the grain is supported and limited by the first V-shaped trough 203, and the upper one-sided position is pushed by the pressure plate 504, forming a torque difference, forcing the grain to use the bottom contact point as support. The grain flips and eventually falls stably into the second V-shaped trough 502 of the support platform 501, completing the grain flipping, lifting, and positioning. Simultaneously, as the support platform 501 descends, two sets of symmetrically arranged linkage components synchronize the movement of the camera 106. The support platform 501 pulls the square sliding plate 1002 relative to the square sliding sleeve 1001, causing it to slide and automatically deflect at an adaptive angle. This, in turn, pulls the upper mounting base 901 to slide laterally along the T-shaped rod 902, compressing the outer spring 903 and enabling the camera 106 to move precisely laterally, ensuring that the camera 106 is always aligned with the top of the flipped grain. After the displacement is in place, the camera 106 takes high-definition pictures of the newly exposed back side of the grain, and fully captures the hidden defects such as insect damage, mold, and breakage on the back of the grain. This achieves full coverage and no blind spots in the detection of the front and back of the grain, completely avoiding the defects of missed detection in single-sided detection and greatly improving the detection accuracy. After the front and back are captured, the support platform 501 continues to descend, so that the first V-shaped material trough 203 and the second V-shaped material trough 502 are connected to each other and form an inclined channel. The grain slides along the trough under the action of gravity, is transported to the discharge port 104 through the second guide plate 202, and finally falls into the collection box 105 to complete the automatic collection. In addition, during the use of the material guiding assembly, the drive pin 403 can be manually rotated according to the differences in particle size and particle size of different grains such as wheat, rice, corn, and soybeans. This drives the second threaded rod 402 to rotate relative to the second threaded tube 401. By using the threaded feed transmission, the relative displacement of the two sets of mounting blocks 301 is pulled or pushed. At the same time, in conjunction with the telescopic sliding guide function of the second sleeve 302 and the second slide rod 303, the distance between the first guide plate 201 and the second guide plate 202 can be precisely adjusted. By adjusting the distance, material jamming or leakage due to distance problems can be avoided during the conveying of materials on the first guide plate 201 and the second guide plate 202.

[0030] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0031] Although embodiments of the invention 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 to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A grain imperfect grain analyzer, comprising: The operating table (101) and the analysis box (102) set on the upper end of the operating table (101) are provided with a feeding port (103) for feeding and a discharge port (104) for discharging. A collection box (105) for collecting the discharged material is provided on the outside of the analysis box (102). A vibrating feeding plate (107) for vibrating feeding and a camera (106) for shooting and analysis are provided inside the analysis box (102). A discharge end is provided on the vibrating feeding plate (107). Its characteristic is that it further includes: A sliding connection component is located inside the analysis box (102) to assist in the sliding connection of the camera (106); The material guiding assembly is located inside the analysis box (102) and between the vibrating feed plate (107) and the discharge port (104) for guiding and conveying materials. The material guiding assembly includes a first guide plate (201) and a second guide plate (202) located inside the analysis box (102). In addition, a carrying component for carrying the conveyed material is set between the first guide plate (201) and the second guide plate (202). The analysis box (102) is equipped with a lifting component for lifting the carrying component. The carrying component is equipped with a pushing component for pushing the conveyed material against each other during the descent of the carrying component. The material conveyed on the first guide plate (201) is flipped under the action of the lifting component and the pushing component and is lifted by the carrying component. The auxiliary camera (106) takes pictures and analyzes the front and back of the conveyed material. A linkage component for linkage during the lifting process is set between the carrying component and the sliding component. The material moves synchronously to the camera (106) after flipping, so as to ensure effective shooting of the flipped material.

2. The grain imperfect grain analyzer according to claim 1, characterized in that: The material guiding assembly also includes a first V-shaped trough (203) for centering the material at the upper end of the first guide plate (201) and the second guide plate (202). The second guide plate (202) is fixed inside the analyzer (102), and the end of the second guide plate (202) away from the first guide plate (201) is above the discharge port (104). The end of the first guide plate (201) away from the second guide plate (202) is abutted against the discharge end of the vibrating feed plate (107). An auxiliary telescopic connection telescopic component and an adjustment component for auxiliary spacing adjustment are provided between the first guide plate (201) and the second guide plate (202).

3. The grain imperfect grain analyzer according to claim 2, characterized in that: The bearing assembly includes a bearing platform (501) disposed between the first guide plate (201) and the second guide plate (202). The bearing platform (501) is provided with a second V-shaped material trough (502). After the bearing platform (501) is driven to descend, the second V-shaped material trough (502) is connected to the first V-shaped material trough (203). The first V-shaped material trough (203) and the second V-shaped material trough (502) are inclined towards the discharge port (104) after being connected, and are used to guide and transport materials under the action of gravity. The bearing platform (501) is provided with an installation groove (503) on the side facing the first guide plate (201). The installation groove (503) is provided with a pressure plate (504) for pressing against the material. The bearing platform (501) is provided with transmission assemblies on both sides for extending the pressure plate (504) outward during the descent of the bearing platform (501).

4. The grain imperfect grain analyzer according to claim 3, characterized in that: The pushing component includes a slot (601) formed on the support platform (501), a connecting plate (602) is provided inside the slot (601), one end of the pressure plate (504) is fixed to the connecting plate (602), and multiple sets of mounting rods (603) are slidably connected on the connecting plate (602), and the mounting rods (603) are fixed inside the slot (601).

5. The grain imperfect grain analyzer according to claim 4, characterized in that: The transmission assembly includes a side plate (701) disposed on one side of the support platform (501). The side plate (701) has an inclined groove (702) and a vertical groove (703). The inclined groove (702) and the vertical groove (703) are connected end to end, and the inclined groove (702) is located above the vertical groove (703). A transmission pin (704) is slidably connected in the inclined groove (702). One end of the transmission pin (704) is fixed to the connecting plate (602). A connecting block (705) is fixed on the side plate (701). The connecting block (705) is connected and fixed to the inner wall of the analysis box (102) by multiple sets of fixing rods (706).

6. The grain imperfect grain analyzer according to claim 3, characterized in that: The sliding connection assembly includes a mounting base (901) fixed to the upper end of the camera (106), and multiple sets of T-shaped rods (902) are slidably connected on the mounting base (901). The T-shaped rods (902) are fixed inside the analysis box (102), and springs (903) are sleeved on the outer side of the T-shaped rods (902).

7. The grain imperfect grain analyzer according to claim 6, characterized in that: Two sets of linkage components are symmetrically arranged between the mounting base (901) and the support platform (501). The linkage components include a square sliding sleeve (1001) and a square sliding plate (1002) disposed between the mounting base (901) and the support platform (501). The square sliding plate (1002) is slidably connected to the square sliding sleeve (1001). The ends of the square sliding sleeve (1001) and the square sliding plate (1002) that are far apart from each other are rotatably connected to the mounting base (901) and the support platform (501) respectively by pins.

8. The grain imperfect grain analyzer according to claim 3, characterized in that: The lifting assembly includes a U-shaped seat (801) fixed inside the analysis box (102), a first threaded tube (802) rotatably connected to the U-shaped seat (801), a first threaded rod (803) threadedly engaged with the first threaded tube (802), one end of the first threaded rod (803) being fixed to the bottom of the support platform (501), a drive motor (804) for driving the first threaded tube (802) being installed on the U-shaped seat (801), two sets of first sleeves (805) fixed on the U-shaped seat (801), the two sets of first sleeves (805) being symmetrically arranged on both sides of the first threaded tube (802), a first slide rod (806) slidably connected to the first sleeve (805), one end of the first slide rod (806) being fixed to the bottom of the support platform (501).

9. A grain imperfect grain analyzer according to claim 2, characterized in that: Two sets of telescopic components are symmetrically arranged between the first guide plate (201) and the second guide plate (202). The telescopic components include mounting blocks (301) fixed to one side of the first guide plate (201) and the second guide plate (202). A second sleeve (302) and a second slide rod (303) are arranged between the two sets of mounting blocks (301). The second slide rod (303) is slidably connected to the second sleeve (302), and the ends of the second sleeve (302) and the second slide rod (303) that are far apart from each other are respectively fixed to the two sets of mounting blocks (301).

10. A grain imperfect grain analyzer according to claim 9, characterized in that: The adjustment assembly includes a second threaded tube (401) and a second threaded rod (402) disposed between two sets of mounting blocks (301). The second threaded rod (402) is threadedly engaged with the second threaded tube (401). One end of the second threaded tube (401) is fixed to the mounting block (301). The second threaded rod (402) is rotatably connected to another set of mounting blocks (301), and one end of the second threaded rod (402) is fixed with a drive pin (403).

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