A sampling device for detecting metal content of paddy

Abstract

This application relates to a sampling device for detecting metal content in rice, comprising: a frame on which a feeding pipe with one end inclined upwards is mounted, the feeding pipe being used to transport rice, the upwardly inclined end of the feeding pipe having a discharge port, and the downwardly inclined end having a feeding hopper, and an auger inside the feeding pipe for lifting the rice inside the feeding pipe, characterized in that the frame is equipped with a sampling mechanism; this application can sample during the rice transport process, as the rice is in a flowing state in the feeding pipe, and the sampling point can cover the rice throughout the entire transport process, avoiding the limitation of manual sampling which can only select rice from local locations, and can obtain rice samples from different parts and layers, making the sample more extensive.

Description

Technical Field

[0001] This application relates to the field of rice pretreatment technology, and in particular to a sampling device for detecting the metal content of rice. Background Technology

[0002] In the rice processing industry, testing for metal content is a crucial part of rice inspection, from the time rice enters storage until it undergoes further processing. During growth, harvesting, transportation, and storage, rice may come into contact with various metallic substances, such as heavy metals in the soil, metal fragments from wear and tear on harvesting equipment, and metallic impurities from transport vehicles. If these metallic substances are not detected and controlled within reasonable limits in a timely manner, they can not only affect the quality of processed rice products but also pose potential health hazards. Therefore, testing the metal content in rice is of paramount importance for ensuring the quality and safety of processed rice products.

[0003] However, currently, most rice sampling still relies on manual methods, where workers typically rely on experience to extract small samples from specific locations within the rice pile. This sampling method has significant limitations, resulting in a narrow sample size and a limited number of samples, thus affecting the sampling effectiveness.

[0004] Specifically, manual sampling can only select rice grains on the surface or in local areas of the rice pile, making it difficult to penetrate into different layers and locations inside the rice pile for comprehensive sampling. This can easily lead to a one-sided sampling location and fail to accurately reflect the metal content of the entire batch of rice. In addition, when the batch of rice is large and the metal content is unevenly distributed, the test results of small samples may deviate from the actual situation, affecting the test results.

[0005] In addition, large-scale rice processing involves a huge amount of rice, and manual sampling requires a lot of manpower and time, which increases production costs and work cycle and affects work efficiency.

[0006] To address the aforementioned issues, a sampling device for detecting metal content in rice has been designed. Utility Model Content

[0007] This application provides a sampling device for detecting metal content in rice, which solves the problem that most rice sampling in related technologies still relies on manual methods, resulting in insufficient sample breadth, small sample quantity, and affected sampling effect.

[0008] Firstly, a sampling device for detecting metal content in rice is provided, comprising:

[0009] The frame has a feeding pipe that is inclined upward at one end. The feeding pipe is used to transport rice. The feeding pipe has a discharge port at the inclined upward end and a feeding hopper at the inclined downward end. An auger is installed inside the feeding pipe to lift the rice in the feeding pipe upward. A sampling mechanism is installed on the frame.

[0010] The sampling mechanism includes a sampling tube connected to the feeding tube, a valve is provided on the sampling tube, a support platform is provided on the frame, a placement plate is rotatably provided on the support platform, and multiple sample containers are inserted into the placement plate.

[0011] The sampling mechanism also includes a driving component mounted on a support platform. The driving component is used to drive the placement plate to rotate and control the sample container to rotate sequentially to the bottom of the sampling tube.

[0012] In some embodiments, the feeding hopper is a cone shape that is wider at the top and narrower at the bottom, with an opening at the top and a conveying pipe connected to the feeding pipe at the bottom.

[0013] In some embodiments, the feeding pipe is a circular pipe, and the auger includes a spiral conveying rod rotatably disposed inside the feeding pipe, the spiral conveying rod being in contact with the inner wall of the feeding pipe, and one end of the spiral conveying rod extending to the outside of the feeding pipe;

[0014] The frame is equipped with a drive motor. The output shaft of the drive motor and the outward extension end of the spiral conveyor are both equipped with pulleys. The two pulleys are driven by belts.

[0015] In some embodiments, the sampling tube is L-shaped, with its upper end perpendicular to the feeding tube and the two communicating with each other, and its lower end vertically positioned relative to the sample container.

[0016] In some embodiments, the valve is located at the upper end of the sampling tube;

[0017] The valve includes a collar disposed on the outside of the sampling tube, a second drive motor disposed on the collar, a closed disc rotatably disposed inside the sampling tube, and the output shaft of the second drive motor connected to the closed disc.

[0018] In some embodiments, the placement tray includes a turntable rotatably mounted on a support platform, a support plate mounted on the turntable, and a plurality of placement slots arranged in a ring on the support plate, wherein the sample container is inserted into the corresponding placement slot.

[0019] In some embodiments, the driving component includes a reducer and a drive motor three disposed at the bottom of the support platform, the output shaft of the drive motor three being connected to the input shaft of the reducer, and the output shaft of the reducer being connected to the turntable.

[0020] This application provides a sampling device for detecting metal content in rice. Through the cooperation of the sampling mechanism, the feeding pipe and the auger, sampling can be carried out automatically during the transportation of rice into the warehouse, eliminating the need for manual extraction of samples from the rice pile, thus greatly saving manpower and time.

[0021] By taking samples during the rice transport process, the rice is in a flowing state in the feeding pipe, and the sampling points can cover the rice throughout the entire transport process. This avoids the limitation of manual sampling, which can only select rice from local locations. It can obtain rice samples from different parts and layers, making the sample more extensive.

[0022] By cooperating with the drive unit and multiple sample containers, the sample containers can be controlled to rotate sequentially to the bottom of the sampling tube, enabling multiple sampling, increasing the number of samples, and improving the accuracy and reliability of the test results. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 A three-dimensional structural illustration provided for an embodiment of this application. Figure 1 ;

[0025] Figure 2 A three-dimensional structural illustration provided for an embodiment of this application. Figure 2 ;

[0026] Figure 3 A rear cross-sectional view provided for an embodiment of this application;

[0027] Figure 4 This is a front sectional view of the connection structure between the feeding tube and the sampling mechanism provided in an embodiment of this application.

[0028] In the diagram: 1. Frame; 2. Feeding pipe; 3. Discharge port; 4. Feeding hopper; 5. Screw conveyor; 6. Sampling mechanism; 61. Sampling pipe; 62. Valve; 63. Support platform; 64. Placement tray; 65. Sample container; 66. Drive component; 41. Conveying pipe; 51. Screw conveyor rod; 52. Drive motor one; 53. Pulley; 54. Belt; 621. Collar; 622. Drive motor two; 623. Enclosed disc; 641. Turntable; 642. Support disc; 643. Placement slot; 661. Reducer; 662. Drive motor three. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0030] This application provides a sampling device for detecting metal content in rice, which solves the problem that most rice sampling work in related technologies still relies on manual methods, resulting in insufficient sample breadth, small sample quantity, and affected sampling effect.

[0031] Please see Figures 1-3 A sampling device for detecting metal content in rice includes: a frame 1, on which a feeding pipe 2 with one end inclined upwards is provided for conveying rice; a discharge port 3 is provided at the upward-inclined end of the feeding pipe 2, and a feeding hopper 4 is provided at the downward-inclined end; an auger 5 is provided inside the feeding pipe 2 for lifting the rice inside the feeding pipe 2; a sampling mechanism 6 is provided on the frame 1; the sampling mechanism 6 includes a sampling pipe 61 communicating with the feeding pipe 2, a valve 62 is provided on the sampling pipe 61; a support platform 63 is provided on the frame 1, a placement tray 64 is rotatably provided on the support platform 63, and multiple sample containers 65 are inserted into the placement tray 64; the sampling mechanism 6 also includes a driving component 66 provided on the support platform 63, the driving component 66 is used to drive the placement tray 64 to rotate, and control the sample containers 65 to rotate sequentially to below the sampling pipe 61.

[0032] During the rice storage and transportation process, the rice is poured into the feeding hopper 4 in sequence. Since one end of the feeding pipe 2 is inclined upward, the auger 5 is started. The auger 5 will lift and transport the rice that has entered the feeding pipe 2 from the feeding hopper 4 upward along the feeding pipe 2. The rice is discharged from the discharge port 3 at the upward inclined end of the feeding pipe 2, thus completing the rice transportation process.

[0033] During this process, valve 62 on sampling tube 61 is opened periodically as needed. At this time, some of the rice being transported in feeding tube 2 will flow into sampling tube 61, which is connected to feeding tube 2, and fall down into sample container 65 along sampling tube 61. After sampling is completed, valve 62 is closed to stop the rice from flowing into sample container 65.

[0034] Meanwhile, during the sampling process, the drive unit 66 is activated, causing the sample container 65 to rotate sequentially to the bottom of the sampling tube 61. The rice grains in the sampling tube 61 will fall into different sample containers 65 in sequence, completing multiple sampling operations.

[0035] With the cooperation of sampling mechanism 6, feeding pipe 2 and auger 5, sampling can be carried out automatically during the rice storage and transportation process, eliminating the need for manual extraction of samples from the rice pile, which greatly saves manpower and time.

[0036] By taking samples during the rice transport process, the rice is in a flowing state in the feeding pipe, and the sampling points can cover the rice throughout the entire transport process. This avoids the limitation of manual sampling, which can only select rice from local locations. It can obtain rice samples from different parts and layers, making the sample more comprehensive.

[0037] By cooperating with the drive unit 66 and multiple sample containers 65, the sample containers 65 can be controlled to rotate sequentially to the bottom of the sampling tube 61, thereby achieving multiple sampling, increasing the number of samples, and improving the accuracy and reliability of the test results.

[0038] like Figure 1 and Figure 3 As shown, specifically, in this embodiment, the feeding hopper 4 is a cone shape that is wider at the top and narrower at the bottom. The top of the feeding hopper 4 is open, and the bottom of the feeding hopper 4 is provided with a conveying pipe 41 that communicates with the feeding pipe 2.

[0039] The feeding hopper 4 is a cone shape that is wider at the top and narrower at the bottom, with an open top. It has a large receiving area when receiving rice. The rice poured into the feeding hopper 4 will slide down the inner wall of the cone under its own gravity and eventually gather at the bottom of the feeding hopper 4. The rice flows smoothly into the feeding pipe 2 through the conveying pipe 41, which is ready for the subsequent auger 5 to lift and convey the rice upward.

[0040] like Figure 3 As shown, in one embodiment, the feeding pipe 2 is a circular pipe, and the auger 5 includes a spiral conveying rod 51 rotatably disposed inside the feeding pipe 2. The spiral conveying rod 51 is in contact with the inner wall of the feeding pipe 2, and one end of the spiral conveying rod 51 extends to the outside of the feeding pipe 2. A drive motor 52 is provided on the frame 1. The output shaft of the drive motor 52 and the outwardly extending end of the spiral conveying rod 51 are both provided with pulleys 53. The two pulleys 53 are driven by belts 54 on their outer sides.

[0041] When rice needs to be transported, drive motor 52 is started, and drive motor 52 begins to run. The pulley 53 on the output shaft of drive motor 52 rotates synchronously. Since the two pulleys 53 are connected by a belt 54, according to the principle of belt drive, the belt 54 will drive the pulley 53 at the outward extension end of the spiral conveyor rod 51 to rotate, thereby causing the spiral conveyor rod 51 to start rotating. The spiral conveyor rod 51 is rotatably set inside the circular feeding pipe 2 and is in contact with the inner wall of the feeding pipe 2. As the spiral conveyor rod 51 rotates, under the continuous push of the spiral blades, the rice will move upward along the feeding pipe 2 and finally be discharged from the discharge port 3 at the upward inclined end of the feeding pipe 2, thus realizing the rice transport process.

[0042] like Figure 2 and Figure 3 As shown in this embodiment, the sampling tube 61 is L-shaped, the upper end of the sampling tube 61 is perpendicular to the feeding tube 2 and the two are connected to each other, and the lower end of the sampling tube 61 is vertically arranged between the sample container 65.

[0043] The sampling tube 61 is L-shaped, and its upper end is perpendicular to and connected to the feeding tube. During normal conveying, the rice flows in the feeding tube 2. When sampling is started, the rice in the feeding tube 2 will change part of its flow direction under the action of its own gravity and flow pressure, and flow into the sampling tube 61 which is perpendicular to and connected to the feeding tube 2.

[0044] The lower end of the sampling tube 61 is vertically positioned between the sampling tube 61 and the sample container 65. The rice flowing into the sampling tube will fall vertically down the lower end of the sampling tube 61 under the action of gravity, thus completing one sampling operation.

[0045] like Figure 3 and Figure 4 As shown, in one embodiment, the valve 62 is disposed at the upper end of the sampling tube 61; the valve 62 includes a collar 621 disposed on the outside of the sampling tube 61, a second drive motor 622 disposed on the collar 621, a closed disk 623 is rotatably disposed inside the sampling tube 61, and the output shaft of the second drive motor 622 is connected to the closed disk 623.

[0046] When the rice is being transported normally through the feeding pipe 2 and no sampling is required, valve 62 is in the closed state.

[0047] When rice sampling is required, the control system sends a start signal to the second drive motor 622, which starts to run. Its output shaft drives the closed disk 623 to rotate inside the sampling tube 61. As the closed disk 623 rotates, the connection between the upper end of the originally closed sampling tube 61 and the feeding pipe 2 gradually opens. Under the action of its own gravity and flow pressure, the rice in the feeding pipe 2 flows into the sampling tube 61 through the opened channel and finally falls into the sample container 65 below, completing the sampling operation.

[0048] Once the preset sampling time is reached, the control system sends a signal to the drive motor 622 again, causing it to rotate in the opposite direction, which in turn drives the sealing disc 623 back to its initial position, re-sealing the upper end of the sampling tube 61 and stopping the flow of rice.

[0049] like Figure 3 and Figure 4 As shown, in one embodiment, the placement tray 64 includes a turntable 641 rotatably mounted on a support platform 63, a support tray 642 mounted on the turntable 641, and a plurality of placement slots 643 arranged in a ring on the support tray 642, wherein the sample container 65 is inserted into the corresponding placement slot 643.

[0050] Before the rice sampling work begins, multiple sample containers 65 are inserted into the placement slots 643 of the support plate 642 respectively. At this time, the turntable 641 is in an initial static state, the support plate 642 is static along with the turntable 641, and the sample containers 65 are securely fixed in the placement slots 643, waiting to receive rice samples falling from the sampling tube 61.

[0051] like Figure 3 and Figure 4 As shown, in one embodiment, the driving component 66 includes a reducer 661 and a drive motor 662 disposed at the bottom of the support platform 63. The output shaft of the drive motor 662 is connected to the input shaft of the reducer 661, and the output shaft of the reducer 661 is connected to the turntable 641.

[0052] When the sample container 65 for receiving samples is changed, the control system sends a start signal to the drive motor 662. The output shaft of the drive motor 662 starts to rotate. The rotational motion of the output shaft of the drive motor 662 is transmitted to the reducer 661. The reducer 661 decelerates the high-speed rotational motion of the input while increasing the output torque. The decelerated power is transmitted to the turntable 641, which drives the turntable 641 to rotate on the support platform 63 in a predetermined direction and speed. The rotation of the turntable 641 causes the support plate 642 set on it and the sample container 65 placed in the placement slot 643 to rotate synchronously, thereby realizing the purpose of moving different sample containers 65 to the sampling tube 61 in sequence for sample reception.

[0053] When the preset rotation time is reached, the sample container 65 is replaced. The control system sends a stop signal to the drive motor 662, the drive motor 662 stops running, its output shaft stops rotating, and the turntable 641 stops rotating. When the sample container 65 has received the sample, it is restarted. Through cyclic operation, the sampling process of multiple sample containers 65 is completed.

[0054] In the description of this application, it should be noted that the terms "upper," "lower," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Unless otherwise expressly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0055] It should be noted that in this application, relational terms such as "first" and "second" are used merely 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 a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0056] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A sampling device for detecting metal content in rice, comprising: A frame (1) is provided with a feeding pipe (2) that is inclined upward at one end. The feeding pipe (2) is used to transport rice. The feeding pipe (2) has an outlet (3) at the inclined upward end and a feeding hopper (4) at the inclined downward end. An auger (5) is provided inside the feeding pipe (2). The auger (5) is used to lift the rice in the feeding pipe (2) upward. The frame (1) is characterized by having a sampling mechanism (6). The sampling mechanism (6) includes a sampling tube (61) connected to the feeding tube (2), a valve (62) is provided on the sampling tube (61), a support platform (63) is provided on the frame (1), a placement plate (64) is rotatably provided on the support platform (63), and multiple sample containers (65) are inserted into the placement plate (64). The sampling mechanism (6) also includes a driving component (66) disposed on the support platform (63), the driving component (66) being used to drive the placement tray (64) to rotate and control the sample container (65) to rotate sequentially to below the sampling tube (61).

2. The sampling device for detecting metal content in rice as described in claim 1, characterized in that: The feeding hopper (4) is a cone shape that is wider at the top and narrower at the bottom. The top of the feeding hopper (4) is open, and the bottom of the feeding hopper (4) is provided with a conveying pipe (41) that communicates with the feeding pipe (2).

3. The sampling device for detecting metal content in rice as described in claim 1, characterized in that: The feeding pipe (2) is a circular pipe, and the auger (5) includes a spiral conveying rod (51) rotatably disposed inside the feeding pipe (2). The spiral conveying rod (51) is attached to the inner wall of the feeding pipe (2), and one end of the spiral conveying rod (51) extends to the outside of the feeding pipe (2). The frame (1) is equipped with a drive motor (52). The output shaft of the drive motor (52) and the spiral conveyor rod (51) are both equipped with pulleys (53) at their outward extension ends. The two pulleys (53) are driven by belts (54) on their outer sides.

4. The sampling device for detecting metal content in rice as described in claim 1, characterized in that: The sampling tube (61) is L-shaped. The upper end of the sampling tube (61) is perpendicular to the feeding tube (2) and the two are connected to each other. The lower end of the sampling tube (61) is vertically positioned between the sample container (65).

5. The sampling device for detecting metal content in rice as described in claim 4, characterized in that: The valve (62) is located at the upper end of the sampling tube (61); The valve (62) includes a collar (621) disposed on the outside of the sampling tube (61), a second drive motor (622) is disposed on the collar (621), a closed disc (623) is rotatably disposed inside the sampling tube (61), and the output shaft of the second drive motor (622) is connected to the closed disc (623).

6. The sampling device for detecting metal content in rice as described in claim 1, characterized in that: The placement tray (64) includes a turntable (641) rotatably mounted on a support platform (63) and a support plate (642) mounted on the turntable (641). The support plate (642) has multiple placement slots (643) arranged in a ring, and the sample container (65) is inserted into the corresponding placement slot (643).

7. The sampling device for detecting metal content in rice as described in claim 6, characterized in that: The drive unit (66) includes a reducer (661) and a drive motor (662) disposed at the bottom of the support platform (63). The output shaft of the drive motor (662) is connected to the input shaft of the reducer (661), and the output shaft of the reducer (661) is connected to the turntable (641).

Images