A sample detection device for a rice huller
By designing a sampling and testing device on the rice huller, and using a motor to control the sampling tube and the spiral conveyor shaft, the automatic collection and discharge of brown rice samples is achieved, which solves the problem of traditional manual sampling interfering with production and realizes convenient brown rice sampling and testing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JINGZHOU NEWLIFE AGRI TECH CO LTD
- Filing Date
- 2025-08-01
- Publication Date
- 2026-07-24
AI Technical Summary
Traditional rice hullers require manual sampling and testing, which disrupts the production process and is inconvenient.
Design a device including a sampling and testing mechanism, comprising a sampling tube, a brown rice collection box, a trapezoidal brown rice collection cover, a flipping adjustment component, and a brown rice conveying component, wherein the sampling tube and the spiral conveying shaft are controlled by a motor to achieve automated collection and discharge of brown rice samples.
It enables convenient sampling and testing of hulled brown rice, reduces manual intervention, and improves production efficiency.
Smart Images
Figure CN224552782U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of rice processing equipment technology, and in particular to a sampling and testing device for a rice huller. Background Technology
[0002] A rice huller is a grain processing machine that removes the husk from paddy rice to produce brown rice. It removes the outer shell of the paddy rice, reducing grain breakage and surface damage, and preserving the brown rice as much as possible. It mainly consists of a hopper feeding device, a machine head, a husk separation chamber, a gearbox, and a frame. During the paddy hulling process using a rice huller, it is often necessary to sample and test the hulled brown rice.
[0003] Traditional rice hullers rely heavily on manual sampling and testing. However, manual sampling requires stopping the machine or manually cutting off the material flow, which disrupts the normal production process and is not convenient.
[0004] Therefore, we propose a sampling and testing device for rice hullers to solve the above problems. Utility Model Content
[0005] The purpose of this application is to provide a sampling and testing device for a rice huller, which facilitates the collection of hulled brown rice and allows for the rapid and stable discharge of the collected brown rice sample from the left end of the sampling tube, thus achieving the effect of convenient sampling and testing of hulled brown rice.
[0006] The above-mentioned technical objective of this application is achieved through the following technical solution: a sampling and testing device for a rice huller, comprising a rice hulling chamber, a feeding channel, and an inclined discharge channel disposed within the rice huller, and a sampling and testing mechanism disposed on the rice huller. The feeding channel is located below the rice hulling chamber, and the inclined discharge channel is located to the right of the feeding channel. The rice hulling chamber, the feeding channel, and the inclined discharge channel are sequentially connected. The sampling and testing mechanism includes a sampling tube, a brown rice collection box, a trapezoidal brown rice collection cover, a tilting adjustment component, and a brown rice conveying component. The sampling tube is rotatably mounted on the rice huller. On the left side of the rice huller, the right end of the sampling tube extends into the feeding channel. The brown rice collection box is fixedly installed on the right end of the sampling tube, and the right end of the sampling tube is connected to the inside of the brown rice collection box. The bottom of the brown rice collection box has an open structure. A trapezoidal brown rice collection cover is fixedly installed on the bottom of the brown rice collection box and is connected to the brown rice collection box. The flip adjustment component is located on the left side of the rice huller. The flip adjustment component is used to control the rotation of the sampling tube. The brown rice conveying component is located on the sampling tube and the brown rice collection box. The brown rice conveying component is used to control the brown rice sample to be discharged from the left end of the sampling tube.
[0007] By adopting the above technical solution, the orientation of the trapezoidal brown rice collection cover can be flexibly adjusted by controlling the rotation of the sampling tube through the flip adjustment component. When it is necessary to sample the hulled brown rice, the trapezoidal brown rice collection cover can be rotated so that the opening faces upward, and the brown rice sample can be collected and fall into the trapezoidal brown rice collection cover. When sampling is not required, the opening of the trapezoidal brown rice collection cover can be rotated so that it faces downward.
[0008] A further feature of this application is that a horizontal hole communicating with the feeding channel is provided on the left side of the rice huller, and a sampling tube is rotatably installed in the horizontal hole via a bearing.
[0009] By adopting the above technical solution, the smooth rotation of the sampling tube is ensured.
[0010] A further feature of this application is that the inner width of the trapezoidal brown rice collecting cover decreases sequentially from top to bottom.
[0011] By adopting the above technical solution, the collected brown rice samples can be made to slide naturally and smoothly into the brown rice collection box under the action of gravity.
[0012] A further configuration of this application is as follows: the flipping adjustment assembly includes a secondary gear, a motor, and a main gear. The secondary gear is fixedly sleeved on the outer wall of the sampling tube and located on the left side of the rice huller. The motor is fixedly installed on the left outer wall of the rice huller. The main gear is fixedly installed on the output shaft end of the motor. The main gear meshes with the secondary gear.
[0013] By adopting the above technical solution, the motor is used to control the rotation of the main gear. By utilizing the meshing transmission action of the main gear and the auxiliary gear, the rotation of the sampling tube can be controlled, so that the brown rice collection box and the trapezoidal brown rice collection cover can rotate around the sampling tube.
[0014] A further configuration of this application is as follows: the brown rice conveying assembly includes a second motor and a spiral conveying shaft. The second motor is fixedly installed on the outer right side of the brown rice collection box. The spiral conveying shaft is located inside the sampling tube. The left end of the spiral conveying shaft extends outside the sampling tube, and the right end of the spiral conveying shaft extends inside the brown rice collection box and is fixedly connected to the output shaft end of the second motor.
[0015] By adopting the above technical solution, motor 2 is used to control the rotation of the screw conveyor shaft, which can quickly and stably discharge the collected brown rice sample from the left end of the sampling tube.
[0016] A further feature of this application is that a through hole is provided on the right side wall of the brown rice collection box, and the output shaft end of the second motor passes through the through hole.
[0017] By adopting the above technical solution, it is ensured that the output shaft of motor 2 drives the screw conveyor shaft to rotate smoothly.
[0018] A further feature of this application is that a mesh-like protective cover is fixedly installed on the right outer wall of the brown rice collection box, and the second motor is located inside the mesh-like protective cover.
[0019] By adopting the above technical solution, the mesh protective cover is used to isolate and protect the second motor, preventing brown rice from falling onto the second motor.
[0020] A further feature of this application is that a triangular guide seat is fixedly installed on the top of the brown rice collection box.
[0021] By adopting the above technical solution, the triangular guide seat design can guide the brown rice in the feeding channel to fall smoothly when no sampling is required, avoiding the accumulation of brown rice on the top of the brown rice collection box.
[0022] A further feature of this application is that a sealing ring located on the right side of the bearing is fixedly fitted on the outer wall of the sampling tube, and the outer ring surface of the sealing ring is rotatably sealed to the inner wall of the transverse hole.
[0023] By adopting the above technical solution, the design of the sealing ring can seal the gap between the sampling tube and the horizontal hole, preventing brown rice from entering this gap.
[0024] A further feature of this application is that an indicator arrow is fixedly installed at the bottom left end of the sampling tube.
[0025] By adopting the above technical solution and designing the indicator arrow, operators can intuitively judge the rotation status and position of the sampling tube, making it easier to control the sampling process.
[0026] This application includes at least one of the following beneficial technical effects:
[0027] 1. This application utilizes a sampling and testing mechanism to facilitate the collection of hulled brown rice during the rice hulling process using a rice huller, and to facilitate the rapid and stable discharge of the collected brown rice sample from the left end of the sampling tube, thereby achieving the effect of convenient sampling and testing of hulled brown rice.
[0028] 2. This application uses an indicator arrow to allow operators to intuitively judge the rotation state and position of the sampling tube. When the indicator arrow rotates to vertical downwards, the opening of the trapezoidal brown rice collection cover is vertically downwards and does not collect brown rice samples. When the indicator arrow rotates to vertical upwards, the opening of the trapezoidal brown rice collection cover is vertically upwards and can collect brown rice samples. Attached Figure Description
[0029] Figure 1 This is a front-view stereoscopic structural diagram of this embodiment.
[0030] Figure 2 This is a schematic diagram of the right-side stereoscopic structure of this embodiment.
[0031] Figure 3 This is a front view sectional three-dimensional structural schematic diagram of this embodiment.
[0032] Figure 4 This is a front-view three-dimensional structural diagram of the sampling and testing agency.
[0033] Figure 5 This is a frontal cross-sectional three-dimensional structural diagram of the sampling and testing facility.
[0034] Figure 6 This is a partial three-dimensional structural diagram of the sampling and testing facility.
[0035] In the diagram: 1. Rice huller; 2. Feeding channel; 3. Inclined discharge channel; 4. Sampling and testing mechanism; 41. Sampling tube; 42. Brown rice collection box; 43. Trapezoidal brown rice collection cover; 44. Secondary gear; 45. Motor 1; 46. Main gear; 47. Motor 2; 48. Spiral conveyor shaft; 49. Mesh protective cover; 410. Triangular guide seat; 411. Sealing ring; 412. Indicator arrow; 5. Horizontal hole; 6. Bearing. Detailed Implementation
[0036] The technical solution of this application will be clearly and completely described below with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.
[0037] See Figures 1-6 This application provides a sampling and testing device for a rice huller, including a rice hulling chamber, a feeding channel 2, and an inclined discharge channel 3 inside the rice huller 1, and a sampling and testing mechanism 4 installed on the rice huller 1. The feeding channel 2 is located below the rice hulling chamber, and the inclined discharge channel 3 is located to the right of the feeding channel 2. The rice hulling chamber, the feeding channel 2, and the inclined discharge channel 3 are connected in sequence. The rice hulling chamber is equipped with components such as rubber rollers, vibrating screens, and air separators for the functions of hulling rice and air separation of husks and brown rice. This is a mature technology in the field and will not be described in detail here. The feeding channel 2 is used to guide the hulled brown rice into the inclined discharge channel 3, and the inclined discharge channel 3 is used to discharge the hulled brown rice.
[0038] In this embodiment, the sampling and testing mechanism 4 includes a sampling tube 41, a brown rice collection box 42, a trapezoidal brown rice collection cover 43, a flipping adjustment component, and a brown rice conveying component. The sampling tube 41 is rotatably mounted on the left side of the rice huller 1, and the right end of the sampling tube 41 extends into the feeding channel 2. The brown rice collection box 42 is fixedly mounted on the right end of the sampling tube 41, and the right end of the sampling tube 41 is connected to the inside of the brown rice collection box 42. The bottom of the brown rice collection box 42 has an open structure, and the trapezoidal brown rice collection cover 43 is fixedly mounted on the bottom of the brown rice collection box 42. The trapezoidal brown rice collecting cover 43 is connected to the brown rice collecting box 42. The inner width of the trapezoidal brown rice collecting cover 43 decreases from top to bottom. The tilting adjustment component is located on the left side of the rice huller 1. The tilting adjustment component is used to control the rotation of the sampling tube 41. The tilting adjustment component includes a secondary gear 44, a motor 45, and a main gear 46. The secondary gear 44 is fixedly sleeved on the outer wall of the sampling tube 41 and located on the left side of the rice huller 1. The motor 45 is fixedly installed on the left outer wall of the rice huller 1. The motor 45 is a reversible motor. The main gear 46... Fixedly installed on the output shaft end of motor 45, the main gear 46 meshes with the auxiliary gear 44. Motor 45 drives the main gear 46 to rotate. Through the meshing transmission of the main gear 46 and auxiliary gear 44, the sampling tube 41 can be rotated, causing the brown rice collection box 42 and the trapezoidal brown rice collection cover 43 to rotate around the sampling tube 41. This allows for rotational adjustment of the orientation of the trapezoidal brown rice collection cover 43. A brown rice conveying assembly is installed on the sampling tube 41 and the brown rice collection box 42. The brown rice conveying assembly is used to control the flow of brown rice samples from the sampling tube. The left end of 41 is discharged. The brown rice conveying assembly includes a second motor 47 and a spiral conveying shaft 48. The second motor 47 is fixedly installed on the right outer wall of the brown rice collection box 42. The spiral conveying shaft 48 is set inside the sampling tube 41. The left end of the spiral conveying shaft 48 extends to the outside of the sampling tube 41, and the right end of the spiral conveying shaft 48 extends into the brown rice collection box 42 and is fixedly connected to the output shaft end of the second motor 47. By using the second motor 47 to drive the spiral conveying shaft 48 to rotate, the collected brown rice sample can be discharged quickly and stably from the left end of the sampling tube 41.
[0039] In this embodiment, in order to ensure that the sampling tube 41 rotates smoothly, a horizontal hole 5 connected to the feeding channel 2 is provided on the left side of the rice huller 1, and the sampling tube 41 is rotatably installed in the horizontal hole 5 through the bearing 6.
[0040] In this embodiment, in order to ensure that the output shaft of the second motor 47 drives the spiral conveying shaft 48 to rotate smoothly, a through hole is provided on the right side wall of the brown rice collection box 42, and the output shaft end of the second motor 47 passes through the through hole.
[0041] In this embodiment, in order to effectively protect the second motor 47, a mesh protective cover 49 is fixedly installed on the outer right side of the brown rice collection box 42, and the second motor 47 is located inside the mesh protective cover 49.
[0042] In this embodiment, when no sampling is performed, in order to guide the brown rice in the feeding channel 2 to fall smoothly and avoid the brown rice accumulating on the top of the brown rice collection box 42, a triangular guide seat 410 is fixedly installed on the top of the brown rice collection box 42.
[0043] In this embodiment, to prevent brown rice from entering the gap between the sampling tube 41 and the horizontal hole 5, a sealing ring 411 located on the right side of the bearing 6 is fixedly fitted on the outer wall of the sampling tube 41. The outer ring surface of the sealing ring 411 rotates and seals with the inner wall of the horizontal hole 5.
[0044] In this embodiment, to help the operator intuitively judge the rotation state and position of the sampling tube 41, an indicator arrow 412 is fixedly installed at the bottom left end of the sampling tube 41. It should be noted that when the indicator arrow 412 is pointing vertically downwards (e.g., ...), ... Figure 4 and Figure 5 As shown, when the trapezoidal brown rice collecting cover 43 is vertically downward, it does not collect brown rice samples; when the indicator arrow 412 is vertically upward, the opening of the trapezoidal brown rice collecting cover 43 is vertically upward and can collect brown rice samples.
[0045] Based on the above structure, the working principle of the sampling and testing device for rice hullers provided in this application is as follows:
[0046] When the rice huller 1 is turned on to process the paddy rice into brown rice, the hulled brown rice is discharged sequentially through the feeding channel 2 and the inclined discharge channel 3.
[0047] When sampling is required during the rice hulling process, first control motor 45 to run. Motor 45 drives the main gear 46 to rotate, which in turn drives the secondary gear 44 and the sampling tube 41 to rotate. This causes the brown rice collection box 42 and the trapezoidal brown rice collection cover 43 to rotate around the sampling tube 41. At this time, the indicator arrow 412 will also rotate with the sampling tube 41. When the indicator arrow 412 rotates to a vertical position, stop motor 45. Then, adjust the orientation of the trapezoidal brown rice collection cover 43 to vertical. As the rice flows straight up through the feeding channel 2, some brown rice falls into the trapezoidal brown rice collection hood 43. The brown rice inside the trapezoidal brown rice collection hood 43 then slides into the brown rice collection box 42. Then, the second motor 47 is controlled to run, and the second motor 47 drives the spiral conveyor shaft 48 to rotate, which can quickly and stably discharge the brown rice sample collected in the brown rice collection box 42 from the left end of the sampling tube 41. By observing the brown rice discharged from the left end of the sampling tube 41, the operator can detect whether the hulled brown rice meets the standards, thus realizing the sampling and testing operation of the hulled brown rice.
[0048] When sampling is not required, control motor 45 to run in reverse, which will cause the brown rice collection box 42 and the trapezoidal brown rice collection cover 43 to rotate in the opposite direction with the sampling tube 41 as the center. At this time, the indicator arrow 412 will also rotate with the sampling tube 41. By observing that the indicator arrow 412 rotates to vertical downward, stop the operation of motor 45. At this time, the orientation of the trapezoidal brown rice collection cover 43 will be adjusted to vertical downward, and brown rice samples will no longer be collected. Finally, control motor 47 to run, which will stop brown rice sampling.
Claims
1. A sampling and testing device for a rice huller, characterized in that, The rice hulling machine (1) includes a hulling chamber, a feeding channel (2), and an inclined discharge channel (3) located within the hulling machine (1), as well as a sampling and testing mechanism (4) mounted on the hulling machine (1). The feeding channel (2) is located below the hulling chamber, and the inclined discharge channel (3) is located to the right of the feeding channel (2). The hulling chamber, the feeding channel (2), and the inclined discharge channel (3) are connected in sequence. The sampling and testing mechanism (4) includes a sampling tube (41), a brown rice collection box (42), a trapezoidal brown rice collection cover (43), a tilting adjustment component, and a brown rice conveying component. The sampling tube (41) is rotatably mounted on the left side of the hulling machine (1), and the right end of the sampling tube (41) extends into the feeding channel (2). The brown rice collection box (42) is fixedly installed at the right end of the sampling tube (41). The right end of the sampling tube (41) is connected to the inside of the brown rice collection box (42). The bottom of the brown rice collection box (42) is an open structure. The trapezoidal brown rice collection cover (43) is fixedly installed at the bottom of the brown rice collection box (42). The trapezoidal brown rice collection cover (43) is connected to the brown rice collection box (42). The flip adjustment component is set on the left side of the rice huller (1). The flip adjustment component is used to control the rotation of the sampling tube (41). The brown rice conveying component is set on the sampling tube (41) and the brown rice collection box (42). The brown rice conveying component is used to control the brown rice sample to be discharged from the left end of the sampling tube (41).
2. The sampling and testing device for a rice huller according to claim 1, characterized in that: The rice huller (1) has a horizontal hole (5) on its left side that is connected to the feeding channel (2), and the sampling tube (41) is rotatably installed in the horizontal hole (5) via a bearing (6).
3. The sampling and testing device for a rice huller according to claim 1, characterized in that: The inner width of the trapezoidal brown rice collecting cover (43) decreases from top to bottom.
4. The sampling and testing device for a rice huller according to claim 1, characterized in that: The flipping adjustment assembly includes a secondary gear (44), a motor (45), and a main gear (46). The secondary gear (44) is fixedly sleeved on the outer wall of the sampling tube (41) and located on the left side of the rice huller (1). The motor (45) is fixedly installed on the left outer wall of the rice huller (1). The main gear (46) is fixedly installed on the output shaft end of the motor (45). The main gear (46) meshes with the secondary gear (44).
5. The sampling and testing device for a rice huller according to claim 1, characterized in that: The brown rice conveying assembly includes a second motor (47) and a spiral conveying shaft (48). The second motor (47) is fixedly installed on the outer right side of the brown rice collection box (42). The spiral conveying shaft (48) is disposed inside the sampling tube (41). The left end of the spiral conveying shaft (48) extends to the outside of the sampling tube (41), and the right end of the spiral conveying shaft (48) extends into the brown rice collection box (42) and is fixedly connected to the output shaft end of the second motor (47).
6. The sampling and testing device for a rice huller according to claim 5, characterized in that: A through hole is provided on the right side wall of the brown rice collection box (42), and the output shaft end of the second motor (47) passes through the through hole.
7. The sampling and testing device for a rice huller according to claim 5, characterized in that: A mesh-like protective cover (49) is fixedly installed on the right outer wall of the brown rice collection box (42), and the second motor (47) is located inside the mesh-like protective cover (49).
8. The sampling and testing device for a rice huller according to claim 1, characterized in that: A triangular guide seat (410) is fixedly installed on the top of the brown rice collection box (42).
9. The sampling and testing device for a rice huller according to claim 2, characterized in that: A sealing ring (411) located on the right side of the bearing (6) is fixedly fitted on the outer wall of the sampling tube (41). The outer ring surface of the sealing ring (411) is in rotational sealing fit with the inner wall of the transverse hole (5).
10. The sampling and testing device for a rice huller according to claim 1, characterized in that: An indicator arrow (412) is fixedly installed at the bottom left end of the sampling tube (41).