Belt type grain conveyor capable of intelligently sampling
By introducing a three-way solenoid valve and an adsorption trough design into a belt grain conveyor, combined with a visual inspection sensor, intelligent grain sampling has been achieved. This solves the problems of untimely and inefficient detection in existing equipment, and improves the efficiency of grain conveying and the accuracy of quality inspection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-30
- Publication Date
- 2026-03-20
AI Technical Summary
Existing grain sampling equipment has difficulty detecting randomly occurring defective materials in a timely manner during transportation, and the high complexity of vision system detection reduces transfer efficiency.
The design employs a three-way solenoid valve-connected pump and adsorption tank. By pressing the grain on the surface of the adsorption drum, the lower layer of grain is exposed to the visual inspection sensor. At the same time, the visual inspection sensor is used for intelligent sampling, avoiding grain stacking and enabling timed sample extraction.
This ensures grain quality, improves grain transportation efficiency, avoids missed inspections, and meets the needs of modern grain circulation.
Smart Images

Figure CN224014913U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of belt grain conveyor, especially to a belt grain conveyor capable of intelligent sampling. BACKGROUND
[0002] The grain conveying equipment is the main mechanical equipment for the operation of the grain depot, and is used frequently, and mainly undertakes the material conveying task of multiple key links such as grain sorting, transportation and transfer, and efficient and stable operation is very important for guaranteeing the efficiency of grain circulation. Since the quality problems such as mildew and insect damage are prone to occur in the multi-link circulation process of the grain, in order to prevent unqualified materials from entering the next production link, the sampling equipment needs to be used to detect the quality of the grain during the conveying process, so as to find and intercept the bad materials in time and ensure the quality and safety of the grain supply chain.
[0003] There are mainly two technical schemes for the grain sampling equipment in the current market: one is a fixed-time sampling mode, which samples the grain on the conveying belt according to the preset time interval, but since the occurrence of quality problems in the conveying process of the grain has randomness, it is difficult to ensure that the bad materials appearing in the non-sampling period are detected in time, resulting in a high rate of missed detection; the other is a sampling scheme combined with a visual system, which detects the surface of the grain through visual recognition technology, but since the visual system can only recognize the characteristics of the surface material, in order to obtain effective detection data, the accumulated grain needs to be spread in advance, which not only increases the complexity of the equipment, but also greatly reduces the transfer efficiency of the grain, and cannot meet the demand of modern grain rapid circulation.
[0004] Based on the above-mentioned point, the person skilled in the art proposes a belt grain conveyor capable of intelligent sampling. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at solving the shortcomings in the prior art, and provides a belt grain conveyor capable of intelligent sampling, which can extract and press the inside of the adsorption cylinder through the extraction groove connected with the three-way electromagnetic valve, so that the grain on the surface is adsorbed on the outside of the adsorption cylinder, and the grain in the lower layer is directly exposed to the visual detection sensor at this time, so that the grain crops can be transported in a large area, the quality of the grain is ensured, and the conveying efficiency of the grain is improved.
[0006] In order to achieve the above object, the utility model provides the following technical scheme: A kind of belt type grain conveyor with intelligent sampling, including grain conveyor, the middle position bolt connection of the two side walls of grain conveyor has anti-piling intelligent detection mechanism, the anti-piling intelligent detection mechanism includes portal frame installed in the two sides of grain conveyor, the middle position fixedly connected with sensor mounting bracket on the rear side wall of portal frame, several visual detection sensors in linear array distribution are installed on the top inner side wall of sensor mounting bracket, the top fixedly connected with adsorption section adjusting assembly of portal frame, the adsorption section adjusting assembly includes fixed pipe, adsorption cylinder is rotatably connected on the outer side wall of fixed pipe, driving bevel gear is fixedly connected on the right side wall of adsorption cylinder, drive motor is mounted on the right side position of the outer side wall of fixed pipe by support, driving bevel gear is connected on the movable end of drive motor, driving bevel gear and transmission bevel gear are mutually engaged, adsorption notch is arranged in the right end of fixed pipe, and three-way electromagnetic valve is connected in the right end of fixed pipe.
[0007] Preferably, the adsorption section adjusting assembly further includes an inner transmission rod rotatably connected inside the fixed pipe, and a fixed partition plate is fixedly connected to the lower side wall of the fixed pipe.
[0008] Preferably, the motor hanging plate is fixedly connected to the left side of the outer side wall of the fixed pipe, a back motor is mounted on the top of the right side wall of the motor hanging plate, a motor gear is connected to the movable end of the back motor, a driven gear is fixedly connected to the left end of the inner transmission rod, and the motor gear and the driven gear are mutually engaged.
[0009] Preferably, a negative pressure pipe is connected to the top input end of the three-way electromagnetic valve, a negative pressure sampling bucket is connected to the other end of the negative pressure pipe, and a strip-shaped adsorption port is arranged directly below the negative pressure sampling bucket.
[0010] Preferably, the rotating partition plate is located at the rear side of the strip-shaped adsorption port.
[0011] Preferably, the left side of the negative pressure sampling bucket is fixed to the outer side wall of the fixed pipe.
[0012] The utility model has the following beneficial effects:
[0013] 1、In the utility model, the suction pump connected with the three-way electromagnetic valve can suck and press the inside of the adsorption cylinder through the adsorption notch, so that the grain on the surface is adsorbed on the outside of the adsorption cylinder, and at this time, the grain in the lower layer is directly exposed to the visual detection sensor, so that the grain crop can be transported in a large area, ensuring the quality of the grain and improving the transportation efficiency of the grain.
[0014] 2. The utility model discloses a three -way electromagnetic valve can time control its and negative pressure sampling bucket intercommunication, when three -way electromagnetic valve and negative pressure sampling bucket intercommunication, back motor drives motor gear rotation, and then drive rotary baffle rotates to forward side, when this time isolated paragraph reaches the positive above of adsorption cylinder, therefore when grain is driven rotation and reaches the positive above of adsorption cylinder, its will adsorb into negative pressure pipe under the action of negative pressure sampling bucket strip adsorption mouth and is discharged fast through three -way electromagnetic valve, through the mode of sample of time extraction, can avoid the leakage detection. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the overall view of the belt type grain conveyer of the utility model that can sample intelligently;
[0016] Figure 2 It is the schematic diagram of the anti -stacking intelligent detection mechanism in the belt type grain conveyer of the utility model that can sample intelligently;
[0017] Figure 3 It is the transverse isometric side view of the anti -stacking intelligent detection mechanism in the belt type grain conveyer of the utility model that can sample intelligently;
[0018] Figure 4 It is the longitudinal isometric side view of the anti -stacking intelligent detection mechanism in the belt type grain conveyer of the utility model that can sample intelligently;
[0019] Figure 5 It is the top schematic diagram of the anti -stacking intelligent detection mechanism in the belt type grain conveyer of the utility model that can sample intelligently;
[0020] Figure 6 It is Figure 5 It is the enlarged schematic diagram of A in the utility model;
[0021] Figure 7 It is the structural schematic diagram of the adsorption section adjusting assembly in the belt type grain conveyer of the utility model that can sample intelligently.
[0022] Legend:
[0023] 1, grain conveyer;2, anti -stacking intelligent detection mechanism;
[0024] 21, gantry;22, sensor mounting support;23, visual detection sensor;24, three -way electromagnetic valve;25, adsorption cylinder;26, negative pressure sampling bucket;27, adsorption section adjusting assembly;28, transmission bevel gear;29, negative pressure pipe;210, drive motor;211, driving bevel gear;
[0025] 271, fixed tube; 272, adsorption notch; 273, inner transmission rod; 274, rotating partition; 275, fixed partition; 276, back motor; 277, motor hanging plate; 278, motor gear; 279, driven gear. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.
[0027] Embodiment: refer to Figures 1-7 The utility model provides an embodiment, a kind of smart sampling belt type grain conveyor, including grain conveyor 1, the middle position bolt connection of both sides wall of grain conveyor 1 is equipped with anti-piling intelligent detection mechanism 2, and anti-piling intelligent detection mechanism 2 includes gantry 21 installed in the both sides of grain conveyor 1, and the middle position fixed connection of the back side wall of gantry 21 is equipped with sensor mounting bracket 22, and a plurality of visual detection sensors 23 are installed on the top inner side wall of sensor mounting bracket 22 and distribute linearly, and the top of gantry 21 is fixedly connected with adsorption section adjusting assembly 27, and adsorption section adjusting assembly 27 includes fixed tube 271, and adsorption roller 25 is rotatably connected on the outer side wall of fixed tube 271, and driving bevel gear 28 is fixedly connected on the right side wall of adsorption roller 25, and drive motor 210 is installed on the right side position of the outer side wall of fixed tube 271 by support, and driving bevel gear 211 is connected on the movable end of drive motor 210, and driving bevel gear 211 and driving bevel gear 28 are mutually engaged, and adsorption notch 272 is arranged in the right end of fixed tube 271, and three-way electromagnetic valve 24 is connected in the right end of fixed tube 271, and this conveyor uses the visual detection sensor 23 of several right end erection, realizes the intelligent detection of visual detection sensor 23 (visual detection sensor 23 can be selected as the vision sensor of the CV-X series of gien, which can be photographed to the passing grain, and then the processor inside sensor uses preset algorithm to carry out gray scale analysis to image, compares the extracted feature with the pre-set standard template or parameter, to judge whether the image feature of grain meets the standard, finally outputs detection result signal), and in order to avoid that too much grain stacking causes that internal grain cannot be taken, three-way electromagnetic valve 24 connected extraction pump can carry out extraction to the inside of adsorption roller 25 through adsorption notch 272, so that the grain on surface is adsorbed on the outside of adsorption roller 25, and at this time, the grain in lower layer is directly exposed under visual detection sensor 23, so that grain crops can be transported in large area, ensure grain quality, and improve the conveying efficiency of grain.
[0028] The adsorption section adjusting assembly 27 further comprises an inner transmission rod 273 rotatably connected inside the fixed tube 271, and the lower side wall of the fixed tube 271 is fixedly connected with a fixed partition plate 275, and the outer side wall of the inner transmission rod 273 is fixedly connected with a rotating partition plate 274. The fixed partition plate 275 and the rotating partition plate 274 separate the inside of the adsorption drum 25 to form an independent space, and the negative pressure formed by the suction pump does not act on the space, and when the adsorbed grain crops on the rotating outer wall of the adsorption drum 25 rotate to the position, they will slide down from the position and fall on the grain conveyor 1 again.
[0029] The outer side wall of the fixed tube 271 is fixedly connected with a motor hanging plate 277 at the left side, the right side wall top of the motor hanging plate 277 is installed with a back motor 276, the movable end of the back motor 276 is connected with a motor gear 278, the left end of the inner transmission rod 273 is fixedly connected with a driven gear 279, the motor gear 278 and the driven gear 279 are meshed with each other, the top input end of the three-way electromagnetic valve 24 is connected with a negative pressure pipe 29, the other end of the negative pressure pipe 29 is connected with a negative pressure sampling barrel 26, a strip-shaped adsorption port is formed below the negative pressure sampling barrel 26, and the rotating partition plate 274 is located at the rear side of the strip-shaped adsorption port. Ensure that the grain crops adsorbed on the outer wall of the adsorption drum 25 can fall on the rear side of the anti-piling intelligent detection mechanism 2, avoiding the grain from falling back from the front side of the adsorption drum 25, in order to avoid missing detection, the three-way electromagnetic valve 24 can be controlled to communicate with the negative pressure sampling barrel 26 at a time, when the three-way electromagnetic valve 24 communicates with the negative pressure sampling barrel 26, the back motor 276 drives the motor gear 278 to rotate, and in turn drives the rotating partition plate 274 to rotate to the front side, at this time the isolation section reaches the upper side of the adsorption drum 25, so when the grain is driven to rotate to the upper side of the adsorption drum 25, it will be adsorbed into the negative pressure pipe 29 under the action of the strip-shaped adsorption port of the negative pressure sampling barrel 26 and quickly discharged through the three-way electromagnetic valve 24, by the way of sampling at a time, missing detection can be avoided, and the left side of the negative pressure sampling barrel 26 is fixed on the outer side wall of the fixed tube 271.
[0030] Working principle: the conveyor utilizes several visual detection sensors 23 erected at the right end to realize intelligent detection of the visual detection sensors 23, in order to avoid excessive grain stacking from causing internal grain to be unable to be taken, the three-way electromagnetic valve 24 connected to the suction pump can perform suction and pressure on the inside of the suction drum 25 through the suction slot 272, so that the grain on the surface is adsorbed outside the suction drum 25, and at this time the grain in the lower layer is directly exposed to the visual detection sensor 23, so that the grain crops can be transported in a large area, ensuring the quality of the grain while improving the conveying efficiency of the grain, and the fixed partition plate 275 and the rotating partition plate 274 separate the inside of the suction drum 25 to form an independent space, the negative pressure formed by the suction pump does not act on the space, when the adsorbed grain crops on the rotating outer wall of the suction drum 25 rotate to this place, they will slide down from this place and fall on the grain conveyor 1 again, and the rotating partition plate 274 is located at the rear side of the strip-shaped suction port, and the strip-shaped suction port is located directly below the negative pressure sampling barrel 26, so the grain crops adsorbed on the outer wall of the suction drum 25 can fall on the rear side of the anti-stacking intelligent detection mechanism 2, avoiding the grain from falling back from the front side of the suction drum 25, in order to avoid missing detection, the three-way electromagnetic valve 24 can be controlled to communicate with the negative pressure sampling barrel 26 at regular intervals, when the three-way electromagnetic valve 24 communicates with the negative pressure sampling barrel 26, the rear motor 276 drives the motor gear 278 to rotate, thereby driving the rotating partition plate 274 to rotate to the front side, at this time the isolation paragraph reaches directly above the suction drum 25, so when the grain is driven to rotate directly above the suction drum 25, it will be adsorbed into the negative pressure pipe 29 under the action of the strip-shaped suction port of the negative pressure sampling barrel 26 and quickly discharged through the three-way electromagnetic valve 24, by the way of regularly taking samples, missing detection can be avoided.
[0031] Finally, it should be noted that: the above only for preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the person skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.
Claims
1. A belt-type grain conveyor with intelligent sampling capability, comprising a grain conveyor (1), characterized in that: An anti-stacking intelligent detection mechanism (2) is bolted to the middle of both side walls of the grain conveyor (1). The anti-stacking intelligent detection mechanism (2) includes a gantry frame (21) installed on both sides of the grain conveyor (1). A sensor mounting bracket (22) is fixedly connected to the middle of the rear side wall of the gantry frame (21). Several visual detection sensors (23) arranged in a linear array are installed on the top inner side wall of the sensor mounting bracket (22). An adsorption section adjustment assembly (27) is fixedly connected to the top of the gantry frame (21). The adsorption section adjustment assembly (27) includes a fixing tube (27). 1) An adsorption roller (25) is rotatably connected to the outer wall of the fixed tube (271). A transmission bevel gear (28) is fixedly connected to the right side wall of the adsorption roller (25). A drive motor (210) is mounted on the right side of the outer wall of the fixed tube (271) via a bracket. An active bevel gear (211) is connected to the movable end of the drive motor (210). The active bevel gear (211) meshes with the transmission bevel gear (28). An adsorption slot (272) is opened at the right end of the fixed tube (271). A three-way solenoid valve (24) is connected to the right end of the fixed tube (271).
2. The intelligent sampling belt grain conveyor according to claim 1, characterized in that: The adsorption section adjustment assembly (27) further includes an inner transmission rod (273) rotatably connected inside the fixed tube (271), and a fixed partition (275) is fixedly connected to the lower side wall of the fixed tube (271), and a rotating partition (274) is fixedly connected to the outer side wall of the inner transmission rod (273).
3. The intelligent sampling belt grain conveyor according to claim 2, characterized in that: A motor mounting plate (277) is fixedly connected to the left side of the outer wall of the fixed tube (271). A back-side motor (276) is installed on the top of the right side wall of the motor mounting plate (277). A motor gear (278) is connected to the movable end of the back-side motor (276). A driven gear (279) is fixedly connected to the left end of the inner transmission rod (273). The motor gear (278) and the driven gear (279) mesh with each other.
4. A belt grain conveyor with intelligent sampling capability according to claim 2, characterized in that: The top input end of the three-way solenoid valve (24) is connected to a negative pressure tube (29), and the other end of the negative pressure tube (29) is connected to a negative pressure sampling bucket (26). A strip-shaped adsorption port is opened directly below the negative pressure sampling bucket (26).
5. A belt grain conveyor with intelligent sampling capability according to claim 4, characterized in that: The rotating baffle (274) is located behind the strip-shaped adsorption port.
6. A belt grain conveyor with intelligent sampling capability according to claim 5, characterized in that: The left side of the negative pressure sampling bucket (26) is fixed to the outer wall of the fixing tube (271).