Online sampling device and method for bio-organic fertilizer

Abstract

The invention relates to an online sampling device and method for a bio-organic fertilizer, and belongs to the technical field of bio-organic fertilizer production. Which comprises an upper-level conveying belt and a lower-level conveying belt which are arranged at different heights, the lower-level conveying belt receives discharged materials of the upper-level conveying belt, and is characterized in that a conveying rail is arranged below the upper-level conveying belt, a sampling mechanism is arranged at the end of the conveying rail, and a transferring mechanism walking along the conveying mechanism is arranged on the conveying rail; and the other end of the conveying track extends to the sampling area. The non-stop sampling device has the following beneficial effects that the purpose of non-stop sampling is achieved, the continuity of conveying operation is ensured, and the problem that the conveying efficiency is reduced due to stop sampling is solved. The sampling accuracy is greatly improved, chemical fertilizer products produced in batches are inspected, and the product quality is easy to control; problems can be found in time, the controllability in the batch production process is improved, the accuracy of inspection and analysis is enhanced, and the overall quality of chemical fertilizer materials is improved.

Description

Technical Field

[0001] The invention relates to an online sampling device and method for bio-organic fertilizer, belonging to the technical field of bio-organic fertilizer production. Background Art

[0002] Bio-organic fertilizer is a type of fertilizer that combines the dual advantages of microbial fertilizer and organic fertilizer. It is composed of specific functional microorganisms and organic materials mainly sourced from animal and plant residues (such as livestock and poultry manure, crop straw, etc.), which are harmlessly treated and decomposed. In the process of preparing organic fertilizer, the prior art needs to go through operations such as raw material mixing, fermentation, decomposition, crushing, screening, granulation, etc. to form finished organic fertilizer, wherein the crushing step refers to crushing the decomposed raw materials to remove large particles and impurities therein, and then obtain fertilizer with uniform particle size.

[0003] The invention with patent number 202411240075.7 discloses a biological organic fertilizer and its preparation method. First, the raw materials are collected and processed, that is, waste plant biomass, livestock manure, etc. are collected, and the collected waste plant biomass is crushed for standby use; then the fermentation is started, the livestock manure is first loaded into the fermentation bin, a composite microbial agent is added, and the fermentation conditions are set before fermentation; then the waste plant biomass crushed in step 1 is added to the fermentation bin in batches, and fermented with livestock manure after each addition. After the last addition of waste plant biomass, the fermentation continues in the post-maturity stage, and the fermentation is completed. The fermentation product is dried and granulated to obtain biological organic fertilizer. The technical scheme of the present invention reasonably combines waste biomass resources, sets a specific fermentation preparation process, and obtains efficient biological organic fertilizer, so that the waste biomass can be reasonably used.

[0004] The current technology is not comprehensive and has the following disadvantages: During the production and transportation of bio-organic fertilizer, since the product may be mixed with products whose particle size does not meet the requirements, sampling and testing are required. Due to the continuous operation of the conveyor line, it is necessary to stop the machine for sampling, resulting in a vacuum period in the conveying operation. If the sampling purpose can be achieved without stopping the machine, the efficiency of the conveying operation can be effectively guaranteed, and the continuity of the operation can be guaranteed.

[0005] In order to solve one of the above problems, an online sampling device and method for bio-organic fertilizer is urgently needed. Summary of the invention

[0006] In view of the above deficiencies in the prior art, the technical problem to be solved by the present invention is: how to achieve the purpose of sampling without stopping the machine, and to this end provide an online sampling device and method for bio-organic fertilizer, which ensures the continuity of the conveying operation and avoids the problem of decreased conveying efficiency caused by stopping the machine for sampling.

[0007] The online sampling device and method for bio-organic fertilizer described in the present invention include an upper conveyor belt and a lower conveyor belt arranged at non-equal heights, wherein the lower conveyor belt receives the discharge of the upper conveyor belt, and is characterized in that a conveying track is arranged below the upper conveyor belt, a sampling mechanism is arranged at the end of the conveying track, a transfer mechanism running along the conveying mechanism is arranged on the conveying track, and the other end of the conveying track extends to the sampling area.

[0008] Preferably, the sampling mechanism includes a portal frame spanning above the conveying track, a vertical column is installed on the top of the portal frame, a sliding sleeve is installed on the top of the vertical column, and also includes a telescopic arm that slides with the sliding sleeve, a telescopic driving mechanism that drives the telescopic arm to slide relative to the sliding sleeve is fixed on the sliding sleeve, and a sampling receiving mechanism is installed on the end of the telescopic arm.

[0009] Preferably, the sliding sleeve and the telescopic arm are both rectangular square tubes.

[0010] Preferably, the sampling receiving mechanism includes a feeding pipe, the top end of which is provided with an upper cover plate fixedly connected to the telescopic arm, and also includes a screw conveyor passing through the feeding pipe, the feed port of the screw conveyor is located on the outside of the feeding pipe, and the discharge port of the screw conveyor is located inside the feeding pipe, a lower cover plate is provided below the feeding pipe, a discharge hole is provided at the center of the lower cover plate, an outer layer ring and an inner layer ring are provided on the upper surface of the lower cover plate concentrically arranged with the discharge hole, a cavity is provided between the outer layer ring and the inner layer ring for telescoping with the bottom end of the feeding pipe, an outer retaining ring is provided on the lower surface of the outer circumference of the lower cover plate, a lifting cylinder A and a lifting cylinder B are respectively fixed on both sides of the feeding pipe, the telescopic ends of the lifting cylinder A and the lifting cylinder B are respectively connected to the lower cover plate, and the lower cover plate can be driven to rise and fall relative to the feeding pipe.

[0011] Preferably, the telescopic drive mechanism is a double-rod hydraulic cylinder, including a cylinder barrel and a piston rod, wherein both ends of the piston rod are respectively mounted on the outer walls at both ends of the telescopic arm through corresponding fixing flanges, and the cylinder barrel is fixedly connected to the sliding sleeve.

[0012] Preferably, the transfer mechanism includes a traveling trolley that travels along the conveying track, two groups of carrying bottles are installed on the traveling trolley, a reduction motor A is installed on the traveling trolley, a driving gear is installed on the reduction motor A, and a rack meshing with the driving gear is provided on the conveying track.

[0013] Preferably, the conveying track includes two groups of track monomers A and track monomers B which are parallel to each other and spaced apart. The traveling trolley is provided with a slider A which slides with the track monomer A and a slider B which slides with the track monomer B. The sliders A and B are respectively provided in two groups.

[0014] Preferably, a covering mechanism is installed at the end of the telescopic arm.

[0015] Preferably, the capping mechanism includes an insertion beam, one end of the insertion beam is inserted into the telescopic arm and slides in cooperation with the telescopic arm, a cap-removing cylinder for driving the insertion beam to extend and retract relative to the telescopic arm is installed on the outer wall of the telescopic arm, a lifting cylinder is installed on the other end of the insertion beam, the cap-removing cylinder is arranged horizontally, the lifting cylinder is arranged vertically, a negative pressure suction cup is installed at the telescopic end of the lifting cylinder, a bottle cap placement tray is arranged above the conveying track, multiple groups of bottle caps are stacked on the bottle cap placement tray, and the cap-removing cylinder drives the lifting cylinder to move to The lifting cylinder is controlled to extend above the bottle caps, and then the lifting cylinder is controlled to extend, and the lifting cylinder drives the negative pressure suction cup to descend, and a group of bottle caps are adsorbed by the negative pressure suction cup, and then the lifting cylinder is controlled to retract to lift a group of bottle caps, and then the cap-removing cylinder is controlled to retract to make the lifting cylinder transfer from the cap-removing position to the cap-placing position, and the placing position is above the running track of the walking trolley. When the carrying bottle moves to the cap-placing position, it is necessary to control the lifting cylinder to extend to buckle the bottle cap on the carrying bottle, and then control the negative pressure suction cup to release the bottle cap, and then control the cap-removing cylinder and the lifting cylinder to reset.

[0016] An online sampling method for bio-organic fertilizer, under normal production conditions, the bio-organic fertilizer is transferred from an upper conveyor belt to a lower conveyor belt, a conveyor track is installed on the ground, and a transfer mechanism that cooperates with the conveyor track is installed on the conveyor track, the sampling mechanism can sample in the material drop area of ​​the upper conveyor belt and transfer to the transfer mechanism, the transfer mechanism transfers the sample to the sampling area, and the inspection personnel take the material in the sampling area away for inspection; The working process of the sampling mechanism is to drive the feeding tube and the screw conveyor to move to the left through the telescopic driving mechanism, and at the same time, a group of bearing bottles on the walking trolley are always under the outer retaining ring, and the screw conveyor is transported to the feeding area of ​​the upper conveyor belt, and the screw conveyor is started, and the lifting cylinder A and the lifting cylinder B are controlled to extend at the same time, and the outer retaining ring is buckled on the upper part of the bearing bottle. The screw conveyor inputs the material into the feeding tube, and then falls into the corresponding bearing bottle. After part of the material is loaded into the bearing bottle, the telescopic driving mechanism is controlled to drive the screw conveyor to retract, and the walking trolley also moves in the direction of movement of the feeding tube. Finally, the screw conveyor is stopped, and the lifting cylinder A and the lifting cylinder B are controlled to lift the lower cover plate; Then, the above process is used to perform secondary sampling and load into another set of carrier bottles; After sampling of the two groups of carrier bottles is completed, the traveling trolley is controlled to carry the carrier bottles to the capping position, put on the bottle caps, and then continue to drive to the sampling area. The inspectors take the materials in the sampling area away for inspection, and rearrange the two groups of empty carrier bottles and return to the initial position.

[0017] Compared with the prior art, the present invention has the following beneficial effects: The online sampling device and method for bio-organic fertilizer of the present invention achieve the purpose of non-stop sampling, ensure the continuity of the conveying operation, and avoid the problem of decreased conveying efficiency caused by stopping the machine for sampling.

[0018] The online sampling device and method for bio-organic fertilizer of the present invention can prevent sampling failure due to scattering of samples during the sampling process, greatly improve the accuracy of sampling, ensure that fertilizer products produced in batches are inspected, and make it easy to control product quality; timely discover problems, improve the controllability in the batch production process, enhance the accuracy of inspection and analysis, and improve the overall quality of fertilizer materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the description of the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0020] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a partial schematic diagram of the present invention; Figure 3 It is a structural schematic diagram of the sampling mechanism of the present invention; In the figure: 1, upper conveyor belt 2, lower conveyor belt 3, portal frame 4, vertical column 5, sliding sleeve 6, telescopic arm 7, telescopic drive mechanism 8, screw conveyor 9, feeding pipe 10, upper cover plate 11, lower cover plate 12, outer layer ring 13, inner layer ring 14, outer retaining ring 15, lifting cylinder A 16, lifting cylinder B 17, walking trolley 18, carrying bottle 19, conveying track 20, lifting cylinder 21, negative pressure suction cup 22, bottle cap placement plate 23, bottle cap 24, insertion beam 25, cap removal cylinder. DETAILED DESCRIPTION

[0021] The present invention is further described below in conjunction with the accompanying drawings: The present invention is further illustrated below through specific embodiments, but the present invention is not limited thereto. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

[0022] Embodiment 1, as Figure 1-2As shown, the online sampling device for bio-organic fertilizer comprises an upper conveyor belt 1 and a lower conveyor belt 2 which are arranged at non-equal heights, wherein the lower conveyor belt 2 receives the discharge of the upper conveyor belt 1, and is characterized in that a conveying track 19 is arranged below the upper conveyor belt 1, a sampling mechanism is arranged at the end of the conveying track 19, a transfer mechanism which travels along the conveying mechanism is arranged on the conveying track 19, and the other end of the conveying track 19 extends to the sampling area.

[0023] Embodiment 2, as Figure 1-3 As shown, the online sampling device for bio-organic fertilizer includes an upper conveyor belt 1 and a lower conveyor belt 2 that are not arranged at the same height, and the lower conveyor belt 2 receives the discharge of the upper conveyor belt 1, and is characterized in that: a conveying track 19 is arranged below the upper conveyor belt 1, and a sampling mechanism is arranged at the end of the conveying track 19, and a transfer mechanism that travels along the conveying mechanism is arranged on the conveying track 19, and the other end of the conveying track 19 extends to the sampling area.

[0024] Furthermore, the sampling mechanism includes a portal frame 3 spanning above the conveying track, a vertical column 4 is installed on the top of the portal frame 3, a sliding sleeve 5 is installed on the top of the vertical column 4, and also includes a telescopic arm 6 that slides with the sliding sleeve 5, a telescopic driving mechanism 7 that drives the telescopic arm 6 to slide relative to the sliding sleeve 5 is fixed on the sliding sleeve 5, and a sampling receiving mechanism is installed at the end of the telescopic arm 6.

[0025] Furthermore, the sliding sleeve 5 and the telescopic arm 6 are both rectangular square tubes.

[0026] Furthermore, the sampling receiving mechanism includes a feeding tube 9, the top of which is provided with an upper cover plate 10 fixedly connected to the telescopic arm 6, and also includes a screw conveyor 8 penetrating the feeding tube 9, the feeding port of the screw conveyor 8 is located outside the feeding tube 9, the discharge port of the screw conveyor 8 is located inside the feeding tube 9, and a lower cover plate 11 is provided below the feeding tube 9, the center of the lower cover plate 11 has a discharge hole, and the upper surface of the lower cover plate 11 has a An outer layer ring 12 and an inner layer ring 13 are concentrically arranged, and a cavity is provided between the outer layer ring 12 and the inner layer ring 13 for telescopically cooperating with the bottom end of the discharge pipe 9. An outer retaining ring 14 is provided on the lower surface of the outer circumference of the lower cover plate 11. A lifting cylinder A15 and a lifting cylinder B16 are fixed on both sides of the discharge pipe 9 respectively. The telescopic ends of the lifting cylinder A15 and the lifting cylinder B16 are respectively connected to the lower cover plate 11, which can drive the lower cover plate 11 to rise and fall relative to the discharge pipe 9.

[0027] Furthermore, the telescopic drive mechanism 7 is a double-rod hydraulic cylinder, including a cylinder barrel and a piston rod, and both ends of the piston rod are respectively mounted on the outer walls of both ends of the telescopic arm 6 through corresponding fixing flanges, and the cylinder barrel is fixedly connected to the sliding sleeve 5.

[0028] Furthermore, the transfer mechanism includes a walking trolley 17 that travels along the conveying track, two groups of carrying bottles 18 are installed on the walking trolley 17, a reduction motor A is installed on the walking trolley 17, a driving gear is installed on the reduction motor A, and a rack meshing with the driving gear is provided on the conveying track.

[0029] Furthermore, the conveying track includes two groups of track monomers A and track monomers B that are parallel to each other and spaced apart. The walking trolley 17 is provided with a slider A that slides with the track monomer A and a slider B that slides with the track monomer B. The slider A and the slider B are respectively provided in two groups.

[0030] Furthermore, a capping mechanism is installed at the end of the telescopic arm 6 .

[0031] Furthermore, the capping mechanism includes an insertion beam 24, one end of which is inserted into the telescopic arm 6 and slides in cooperation with the telescopic arm 6, a capping cylinder 25 for driving the insertion beam 24 to extend and retract relative to the telescopic arm 6 is installed on the outer wall of the telescopic arm 6, a lifting cylinder 20 is installed on the other end of the insertion beam 24, the capping cylinder 25 is arranged horizontally, the lifting cylinder 20 is arranged vertically, a negative pressure suction cup 21 is installed on the telescopic end of the lifting cylinder 20, a bottle cap placement tray 22 is arranged above the conveying track 19, a plurality of groups of bottle caps 23 are stacked on the bottle cap placement tray 22, and the capping cylinder 25 is extended to drive the lifting cylinder 20 to move to the bottle The lifting cylinder 20 is controlled to extend and drive the negative pressure suction cup 21 to descend, and a group of bottle caps 23 are adsorbed by the negative pressure suction cup 21. Then the lifting cylinder 20 is controlled to retract to lift a group of bottle caps 23. Then, the cap-removing cylinder 25 is controlled to retract so that the lifting cylinder 20 is transferred from the cap-removing position to the cap-placing position, and the placing position is above the running track of the walking trolley 17. When the carrying bottle 18 moves to the cap-placing position, it is necessary to control the lifting cylinder 20 to extend to buckle the bottle cap 23 on the carrying bottle 18, and then control the negative pressure suction cup 21 to release the bottle cap 23. Then the cap-removing cylinder 25 and the lifting cylinder 20 are controlled to reset.

[0032] Embodiment 3, the online sampling device and method for bio-organic fertilizer, under normal production conditions, the bio-organic fertilizer is transferred from the upper conveyor belt 1 to the lower conveyor belt 2, a conveyor track 19 is installed on the ground, and a transfer mechanism that cooperates with the conveyor track 19 is installed on the conveyor track 19, the sampling mechanism can sample the material in the drop area of ​​the upper conveyor belt 1 and transfer it to the transfer mechanism, the transfer mechanism transfers the sample to the sampling area, and the inspection personnel take the material in the sampling area away for inspection; The working process of the sampling mechanism is as follows: the feeding tube 9 and the screw conveyor 8 are driven to move to the left by the telescopic driving mechanism 7, and at the same time, a group of bearing bottles 18 on the walking trolley 17 are always under the outer retaining ring 14. When the screw conveyor 8 is transported to the material dropping area of ​​the upper conveyor belt 1, the screw conveyor 8 is turned on, and at the same time, the lifting cylinder A15 and the lifting cylinder B16 are controlled to extend. The outer retaining ring 14 is buckled on the upper part of the bearing bottle 18, and the screw conveyor 8 inputs the material into the feeding tube 9, and then falls into the corresponding bearing bottle 18. When part of the material is loaded into the bearing bottle 18, the extension is controlled. The retraction drive mechanism 7 drives the screw conveyor 8 to retract, and the walking trolley 17 also moves in the direction of movement of the discharge pipe 9. Finally, the screw conveyor 8 is stopped, and the lifting cylinder A15 and the lifting cylinder B16 are controlled to lift the lower cover plate 11; then the above process is used for secondary sampling, and the samples are loaded into another group of carrier bottles 18; after the sampling of the two groups of carrier bottles 18 is completed, the walking trolley 17 is controlled to carry the carrier bottles 18 to the capping position, and the bottle caps 23 are put on, and then continue to drive to the sampling area, and the inspection personnel take the materials in the sampling area away for inspection, and rearrange the two groups of empty carrier bottles and return to the initial position.

[0033] The online sampling device and method for bio-organic fertilizer of the present invention achieve the purpose of non-stop sampling, ensure the continuity of the conveying operation, and avoid the problem of decreased conveying efficiency caused by stopping the machine for sampling.

[0034] The online sampling device and method for bio-organic fertilizer of the present invention can prevent sampling failure due to scattering of samples during the sampling process, greatly improve the accuracy of sampling, ensure that fertilizer products produced in batches are inspected, and make it easy to control product quality; timely discover problems, improve the controllability in the batch production process, enhance the accuracy of inspection and analysis, and improve the overall quality of fertilizer materials.

[0035] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

[0036] The matters not described in detail in the present invention are all known technologies to those skilled in the art.

Claims

1. An online sampling device for bio-organic fertilizer, comprising an upper conveyor belt and a lower conveyor belt arranged at non-equal heights, wherein the lower conveyor belt receives the discharge of the upper conveyor belt, characterized in that: A conveying track is arranged below the upper conveying belt, a sampling mechanism is arranged at the end of the conveying track, a transfer mechanism running along the conveying mechanism is arranged on the conveying track, and the other end of the conveying track extends to the sampling area.

2. The online sampling device for bio-organic fertilizer according to claim 1, characterized in that: The sampling mechanism includes a portal frame spanning above the conveying track, a vertical column is installed on the top of the portal frame, a sliding sleeve is installed on the top of the vertical column, and also includes a telescopic arm that slides with the sliding sleeve, a telescopic driving mechanism that drives the telescopic arm to slide relative to the sliding sleeve is fixed on the sliding sleeve, and a sampling receiving mechanism is installed on the end of the telescopic arm.

3. The online sampling device for bio-organic fertilizer according to claim 2, characterized in that: The sliding sleeve and the telescopic arm are both rectangular square tubes.

4. The online sampling device for bio-organic fertilizer according to claim 3, characterized in that: The sampling receiving mechanism includes a feeding tube, the top end of which is provided with an upper cover plate fixedly connected to a telescopic arm, and also includes a screw conveyor penetrating the feeding tube, the feeding port of the screw conveyor is located on the outside of the feeding tube, and the discharging port of the screw conveyor is located inside the feeding tube, a lower cover plate is provided below the feeding tube, a discharging hole is provided at the center of the lower cover plate, an outer layer ring and an inner layer ring are provided on the upper surface of the lower cover plate concentrically arranged with the discharging hole, a cavity is provided between the outer layer ring and the inner layer ring for telescoping with the bottom end of the feeding tube, an outer retaining ring is provided on the lower surface of the outer circumference of the lower cover plate, a lifting cylinder A and a lifting cylinder B are respectively fixed on both sides of the feeding tube, the telescopic ends of the lifting cylinder A and the lifting cylinder B are respectively connected to the lower cover plate, and the lower cover plate can be driven to rise and fall relative to the feeding tube.

5. The online sampling device for bio-organic fertilizer according to claim 4, characterized in that: The telescopic drive mechanism is a double-rod hydraulic cylinder, including a cylinder barrel and a piston rod, the two ends of the piston rod are respectively mounted on the outer walls of the two ends of the telescopic arm through corresponding fixing flanges, and the cylinder barrel is fixedly connected to the sliding sleeve.

6. The online sampling device for bio-organic fertilizer according to claim 5, characterized in that: The transfer mechanism includes a trolley that travels along the conveying track, two groups of carrying bottles are installed on the trolley, a reduction motor A is installed on the trolley, a driving gear is installed on the reduction motor A, and a rack meshing with the driving gear is arranged on the conveying track.

7. The online sampling device for bio-organic fertilizer according to claim 6, characterized in that: The conveying track includes two groups of track monomers A and track monomers B that are parallel to each other and spaced apart. The traveling trolley is provided with a slider A that slides with the track monomer A and a slider B that slides with the track monomer B. The sliders A and B are respectively provided in two groups.

8. The online sampling device for bio-organic fertilizer according to claim 7, characterized in that: A covering mechanism is installed at the end of the telescopic arm.

9. The online sampling device for bio-organic fertilizer according to claim 8, characterized in that: The capping mechanism comprises an insertion beam, one end of which is inserted into the telescopic arm and slides in cooperation with the telescopic arm, a cap-removing cylinder for driving the insertion beam to extend and retract relative to the telescopic arm is installed on the outer wall of the telescopic arm, a lifting cylinder is installed on the other end of the insertion beam, the cap-removing cylinder is arranged horizontally, the lifting cylinder is arranged vertically, a negative pressure suction cup is installed on the telescopic end of the lifting cylinder, a bottle cap placement tray is arranged above the conveying track, a plurality of groups of bottle caps are stacked on the bottle cap placement tray, and the cap-removing cylinder drives the lifting cylinder to move to the bottle cap after the cap-removing cylinder is extended The lifting cylinder is then controlled to extend, and the lifting cylinder drives the negative pressure suction cup to descend, and a group of bottle caps are adsorbed by the negative pressure suction cup. The lifting cylinder is then controlled to retract to lift a group of bottle caps. The cap-removing cylinder is then controlled to retract to transfer the lifting cylinder from the cap-removing position to the cap-placing position, and the material-placing position is above the running track of the walking trolley. When the carrying bottle moves to the cap-placing position, the lifting cylinder needs to be controlled to extend to buckle the bottle cap on the carrying bottle, and then the negative pressure suction cup is controlled to release the bottle cap, and then the cap-removing cylinder and the lifting cylinder are controlled to reset.

10. An online sampling method for bio-organic fertilizer, characterized in that: Under normal production conditions, the biological organic fertilizer is transferred from the upper conveyor belt to the lower conveyor belt, a conveyor track is installed on the ground, and a transfer mechanism that cooperates with the conveyor track is installed on the conveyor track. The sampling mechanism can take samples in the blanking area of ​​the upper conveyor belt and transfer them to the transfer mechanism. The transfer mechanism transfers the samples to the sampling area, and the inspectors take the materials in the sampling area for inspection. The working process of the sampling mechanism is to drive the discharge pipe and the screw conveyor to the left through the telescopic drive mechanism, and at the same time, a group of carrying bottles on the walking trolley are always under the outer retaining ring. When the screw conveyor is transported to the blanking area of ​​the upper conveyor belt, the screw conveyor is turned on, and the lifting cylinder A and the lifting cylinder B are controlled to extend at the same time. The retaining ring is buckled on the upper part of the carrier bottle, and the screw conveyor inputs the material into the discharge pipe, and then falls into the corresponding carrier bottle. After part of the material is loaded into the carrier bottle, the telescopic drive mechanism is controlled to drive the screw conveyor to retract, and the walking trolley also moves in the movement direction of the discharge pipe. Finally, the screw conveyor is stopped, and the lifting cylinder A and the lifting cylinder B are controlled to lift the lower cover plate; then the above process is used for secondary sampling and loaded into another group of carrier bottles; after the sampling of the two groups of carrier bottles is completed, the walking trolley is controlled to carry the carrier bottles to the capping position, the bottle caps are put on, and then continue to drive to the sampling area, the inspection personnel take the materials in the sampling area away for inspection, and rearrange the two groups of empty carrier bottles and return to the initial position.

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