Sweet potato seed screening, grading and conveying device

By designing a seed potato sieving and grading conveying device, the problem of low seed cutting efficiency of potatoes is solved, automatic screening and grading of seed potatoes is realized, large-scale mechanized planting is supported, and the efficiency and quality of seed cutting operations are improved.

CN223113577UActive Publication Date: 2025-07-18MECHANICS RES & DESIGN ACAD SICHUAN PROV
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Patent Information

Application Number
CN202422178877.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-05
Publication Date
2025-07-18
Estimated Expiration
2034-09-05

AI Technical Summary

Technical Problem

The existing potato seed cutting operation is low efficiency and labor cost, and the cutting processing method does not meet the needs of large-scale mechanized planting. Especially before sieving seed potatoes, different sizes need to be manually screened to meet automated operations.

Method used

A seed potato sieving and grading conveying device is designed, including a feeding unit, a screening unit and a grading unit. The automatic screening, decomposition and grading of seed potatoes is achieved through the combined structure of the screening roller shaft and the grading roller shaft. The diseased potato identification unit is used to identify and sort diseased potatoes. The spacing between the grading components is gradually increased to realize the sorting of seed potatoes of different specifications.

Benefits of technology

Automatic screening, decomposition and grading of seed potatoes is realized, the efficiency of seed cutting operations is improved, the quality of seed potatoes is ensured, labor costs are reduced, and large-scale mechanized planting is supported.

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Abstract

The utility model discloses a seed potato screening, grading and conveying device which comprises a feeding unit, a screening unit and a conveying unit. The screening unit is used for screening impurities in the seed potatoes and conveying the screened seed potatoes to the grading unit; the grading unit comprises a grading support, and a grading assembly and a grading driving assembly which are sequentially arranged at intervals in the axial direction of the grading support; different grading areas are formed on the grading unit, the grading assemblies in the different grading areas are arranged at different intervals, and the intervals between the grading assemblies in the grading areas are gradually increased in the conveying direction of the seed potatoes on the grading unit. The device is simple in structure, graded potato seeds can be conveyed to corresponding dicing operation procedures according to different specifications, and a good solution is provided for achieving automation and mechanization of potato seed cutting operation.
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Description

Technical Field

[0001] The utility model belongs to the technical field of agricultural machinery equipment, and particularly relates to a potato seed screening, grading and conveying device. Background Art

[0002] Before sowing potatoes, the potatoes need to be cut into pieces according to the bud eyes and then processed, and then the potato seeds are planted. The existing potato seed cutting usually adopts the method of manual cutting. In large-scale planting operations, there are problems of low efficiency, high labor cost, large labor intensity, and being not conducive to large-scale mechanized planting.

[0003] When operating on potato seed cutting, for potato seeds of different sizes, different cutting methods are adopted. Therefore, it is necessary to screen the potato seeds before cutting to meet the requirements of automatic and mechanized operation of potato seed cutting. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a potato seed screening, grading and conveying device to realize the automatic screening and grading operation of potato seeds.

[0005] The utility model is realized by the following technical solutions:

[0006] The potato seed screening, grading and conveying device includes:

[0007] A feeding unit for feeding potato seeds to the screening unit;

[0008] A screening unit for screening impurities in the potato seeds and sending the screened potato seeds to the grading unit;

[0009] A grading unit, which includes a grading support, grading components and a grading driving component that are sequentially arranged at intervals along the axial direction of the grading support;

[0010] The grading component includes a grading roller shaft and a grading wheel set arranged on the grading roller shaft. Both ends of the grading roller shaft are rotationally connected to the grading support;

[0011] The grading driving component is used to drive each grading component to rotate in the same rotation direction;

[0012] Different grading areas are formed on the grading unit. The distances between the grading components in different grading areas are set to be different, and along the conveying direction of the potato seeds on the grading unit, the distances between the grading components in each grading area gradually increase.

[0013] In some embodiments, grading hoppers are arranged at corresponding positions of each grading area, and the grading hoppers are arranged below the grading components.

[0014] In some embodiments, the grading component includes a grading roller shaft and a set of grading wheels disposed on the grading roller shaft. Both ends of the grading roller shaft are rotatably connected to a grading support.

[0015] The set of grading wheels includes a plurality of grading wheels sleeved on the grading roller shaft side by side. Each grading wheel includes a plurality of grading rods arranged along its circumferential direction.

[0016] In some embodiments, the grading rods are rubber parts.

[0017] In some embodiments, the screening unit includes a screening support, a set of screening components and a screening drive component arranged at intervals along the axial direction of the screening support.

[0018] The set of screening components includes a screening roller shaft and a set of screening wheels disposed on the screening roller shaft. Both ends of the screening roller shaft are rotatably connected to the screening support.

[0019] The screening drive component is used to drive each screening component to rotate in the same rotational direction.

[0020] In some embodiments, the set of screening components includes a screening roller shaft and a set of screening wheels disposed on the screening roller shaft. Both ends of the screening roller shaft are rotatably connected to the screening support.

[0021] The set of screening wheels includes a plurality of screening wheels sleeved on the screening roller shaft side by side. Each screening wheel includes a plurality of screening blades arranged along its circumferential direction.

[0022] In some embodiments, the screening blades are rubber parts.

[0023] In some embodiments, a material guiding hopper is arranged below the screening components on the screening support, and a receiving tray is arranged below the material guiding hopper.

[0024] In some embodiments, the feeding unit includes an inclined conveyor belt assembly and a material hopper arranged at the feeding end of the conveyor belt assembly. An opening communicating with the conveying surface of the conveyor belt assembly is arranged on the material hopper, and the discharging end of the conveyor belt assembly is arranged at the feeding end of the screening unit.

[0025] In some embodiments, it further includes:

[0026] A diseased potato identification unit, which is arranged above the screening unit and is used to identify the state of the seed potatoes on the screening unit;

[0027] A sorting unit, which is used to sort the seed potatoes on the screening unit;

[0028] A control unit, which is respectively connected to the diseased potato identification unit and the sorting unit.

[0029] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0030] 1) The device has a simple structure and can realize the automatic supply, screening and impurity removal, and grading and sorting operations of seed potatoes. It can also send the graded seed potatoes to the corresponding cutting operation processes according to different specifications and sizes, providing a good solution for realizing the automation and mechanization of the seed potato cutting operation.

[0031] 2) The device can identify the state of seed potatoes while screening. By using the screening operation to turn the seed potatoes, the accuracy of identification is guaranteed, and diseased seed potatoes can be fully sorted out from the seed potatoes, thus ensuring the quality of cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the accompanying drawings in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model and should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0033] Figure 1 It is a schematic structural diagram of the seed potato screening, grading and conveying device in the embodiment of the present utility model.

[0034] Figure 2 It is the front view of the structure of the seed potato screening, grading and conveying device in the embodiment of the present utility model.

[0035] Figure 3 It is the top view of the structure of the seed potato screening, grading and conveying device in the embodiment of the present utility model.

[0036] Figure 4 It is a schematic structural diagram of the screening unit and the grading unit in the embodiment of the present utility model.

[0037] Figure 5 It is a schematic structural diagram of the grading component in the embodiment of the present utility model.

[0038] Figure 6 It is a schematic structural diagram of the grading wheel in the embodiment of the present utility model.

[0039] Figure 7 It is a schematic structural diagram of the screening component in the embodiment of the present utility model.

[0040] Figure 8 It is a schematic structural diagram of the screening wheel in the embodiment of the present utility model.

[0041] Among them:

[0042] 10. Feeding unit, 11. Conveyor belt assembly, 12. Material hopper;

[0043] 20. Screening unit, 201. Screening support, 202. Screening assembly, 221. Screening roller shaft, 222. Screening wheel, 2221. Screening paddle, 203. Feeding hopper, 204. Material receiving tray;

[0044] 30. Grading unit, 301. Grading support, 302. Grading assembly, 321. Grading roller shaft, 322. Grading wheel, 3221. Grading rod, 303. Grading hopper;

[0045] 40. Diseased potato identification unit;

[0046] 50. Sorting unit. Detailed implementation manner

[0047] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model.

[0048] Refer to Figure 1 、 Figure 2 and Figure 3 , in some embodiments of the present utility model, the seed potato screening and grading conveying device includes:

[0049] Feeding unit 10, which is used to send the seed potatoes to the screening unit;

[0050] Screening unit 20, which is used to screen the sundries in the seed potatoes and send the screened seed potatoes to the grading unit;

[0051] Grading unit 30, which is used to sort the seed potatoes according to the specifications and sizes of the seed potatoes and send the sorted seed potatoes into the corresponding seed potato cutting processes respectively.

[0052] The feeding unit 10 can adopt an existing structure such as a conveyor belt and the like, and can realize lifting the seed potatoes in the hopper to the position where the screening unit is located and sending them into the screening unit.

[0053] In some embodiments, the feeding unit 10 includes an inclined conveyor belt assembly 11 and a material hopper 12 arranged at the feeding end of the conveyor belt assembly. An opening communicating with the conveying surface of the conveyor belt assembly is arranged on the material hopper 12, and the discharging end of the conveyor belt assembly 11 is arranged at the feeding end of the screening unit.

[0054] Supply the seed potatoes into the material hopper. The seed potatoes in the material hopper are lifted to its discharging end under the action of the conveyor belt assembly and continuously sent into the screening unit.

[0055] Refer to Figure 4 、Figure 7 and Figure 8 the screening unit 20 includes a screening support 201, a screening assembly 202 and a screening drive assembly (not shown in the figure) that are sequentially arranged at intervals along the axis of the screening support;

[0056] The screening assembly 202 includes a screening roller shaft 221 and a screening wheel set arranged on the screening roller shaft. Both ends of the screening roller shaft 221 are rotatably connected to the screening support 201; the screening wheel set includes a plurality of screening wheels 222 arranged side by side on the screening roller shaft, and the screening wheel 222 includes a plurality of screening blades 2221 arranged along its circumferential direction.

[0057] The screening blades 2221 can be made of rubber material to avoid damaging the surface of the seed potatoes.

[0058] When the screening wheel set rotates, the seed potatoes located between the screening wheel sets are turned under the action of the screening blades and continuously conveyed forward in the direction of its rotation, realizing the impurity removal and conveying of the seed potatoes;

[0059] The screening drive assembly is used to drive each screening assembly to rotate in the same rotation direction. The screening drive assembly can adopt a screening motor. The screening motor drives one of the screening roller shafts to rotate, and the screening roller shaft is connected to other screening roller shafts through a chain drive to realize the simultaneous drive of the screening assemblies.

[0060] A material guiding hopper 203 is arranged below the screening assembly on the screening support 201, and a receiving tray 204 is arranged below the material guiding hopper for collecting the screened impurities.

[0061] Referring to Figure 4 、 Figure 5 and Figure 6 the grading unit 30 includes a grading support 301, a grading assembly 302 and a grading drive assembly (not shown in the figure) that are sequentially arranged at intervals along the axis of the grading support;

[0062] The grading assembly 302 includes a grading roller shaft 321 and a grading wheel set arranged on the grading roller shaft. Both ends of the grading roller shaft 321 are rotatably connected to the grading support 301;

[0063] The grading drive assembly is used to drive each grading assembly to rotate in the same rotation direction. The grading drive assembly can adopt a grading motor. The grading motor drives one of the grading roller shafts to rotate, and the grading roller shaft is connected to other grading roller shafts through a chain drive to realize the simultaneous drive of the grading assemblies.

[0064] Different grading areas are formed on the grading unit. The spacing between the grading assemblies in different grading areas is set to be different, and along the conveying direction of the seed potatoes in the grading unit, the spacing between the grading assemblies in each grading area gradually increases;

[0065] At corresponding positions in each grading area, a grading hopper 303 is provided. The grading hopper 303 is arranged below the grading assembly, and the seed potatoes are fed into the corresponding seed cutting operation process through the grading hopper.

[0066] The grading wheel set includes a plurality of grading wheels 322 sleeved side by side on the grading roller shaft. The grading wheels 322 include a plurality of grading rods 3221 arranged along their circumferential directions. The grading rods are respectively inclined in the rotation direction to better push the seed potatoes forward and sort out the seed potatoes of corresponding specifications.

[0067] The grading rods 3221 can be made of rubber material to avoid damaging the surface of the seed potatoes.

[0068] When the grading wheel set rotates, under the action of the grading wheel set, the seed potatoes can be continuously conveyed forward in the rotation direction. During this process, since the distances between the grading assemblies corresponding to different grading areas are different, when the seed potatoes of corresponding specifications enter the corresponding grading area during the conveying process, they will fall into the corresponding grading hopper, thereby realizing the grading operation of the seed potatoes.

[0069] In some embodiments, the seed potato screening, grading and conveying device further includes:

[0070] A diseased potato identification unit 40, which is arranged above the screening unit 20 and is used to identify the state of the seed potatoes on the screening unit;

[0071] A sorting unit 50, which is used to sort the seed potatoes on the screening unit; the sorting unit can adopt a manipulator;

[0072] A control unit, which is respectively connected to the diseased potato identification unit and the sorting unit; the control unit is used to control the sorting unit according to the state of the seed potatoes identified by the diseased potato identification unit and sort out the seed potatoes that do not meet the requirements from the screening unit.

[0073] The diseased potato identification unit 40 can adopt a light source and a camera. By collecting pictures of the seed potatoes through the camera, based on the existing image processing methods and image recognition models, the surface state of the seed potatoes can be identified to identify the diseased potatoes.

[0074] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present invention is usually placed during use. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0075] In addition, in the description of the present utility model, terms such as "horizontal" and "vertical" do not mean that the components are required to be absolutely horizontal or hanging vertically, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0076] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, if terms such as "set", "installed", "connected", and "connected" are used, they should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0077] The above are only the preferred embodiments of the present utility model, and do not impose any form of limitation on the present utility model. Any simple modifications and equivalent changes made to the above embodiments based on the technical essence of the present utility model all fall within the protection scope of the present utility model.

Claims

1. Seed potato screening, grading and conveying device, characterized in that, Comprising: A feeding unit for feeding seed potatoes to a screening unit; A screening unit for screening sundries in the seed potatoes and feeding the screened seed potatoes to a grading unit; the screening unit includes a screening support, screening components and a screening drive component arranged at intervals in sequence along the axial direction of the screening support; the screening components include screening roller shafts and screening wheel groups arranged on the screening roller shafts, and both ends of the screening roller shafts are rotatably connected to the screening support; the screening components include screening roller shafts and screening wheel groups arranged on the screening roller shafts, and both ends of the screening roller shafts are rotatably connected to the screening support; the screening wheel groups include a plurality of screening wheels sleeved on the screening roller shafts side by side, and each screening wheel includes a plurality of screening paddles arranged along its circumferential direction; the screening drive component is used to drive each screening component to rotate in the same rotation direction; A grading unit, the grading unit includes a grading support, grading components and a grading drive component arranged at intervals in sequence along the axial direction of the grading support; The grading components include grading roller shafts and grading wheel groups arranged on the grading roller shafts, and both ends of the grading roller shafts are rotatably connected to the grading support; The grading drive component is used to drive each grading component to rotate in the same rotation direction; Different grading areas are formed on the grading unit, and different grading components in different grading areas are set to have different spacings, and along the conveying direction of the seed potatoes in the grading unit, the spacings between the grading components in each grading area gradually increase.

2. The potato seed screening, grading and conveying device according to claim 1, wherein, Grading hoppers are arranged at corresponding positions of each grading area, and the grading hoppers are arranged below the grading components.

3. The potato seed screening, grading and conveying device according to claim 1, characterized in that, The grading components include grading roller shafts and grading wheel groups arranged on the grading roller shafts, and both ends of the grading roller shafts are rotatably connected to the grading support; The grading wheel groups include a plurality of grading wheels sleeved on the grading roller shafts side by side, and each grading wheel includes a plurality of grading rods arranged along its circumferential direction.

4. The potato seed screening, grading and conveying device according to claim 3, wherein, The grading rods are rubber parts.

5. The potato seed screening, grading and conveying device according to claim 1, characterized in that, The screening paddles are rubber parts.

6. The potato seed screening, grading and conveying device according to claim 1, characterized in that, A guide hopper is arranged below the screening components on the screening support, and a receiving tray is arranged below the guide hopper.

7. The potato seed screening, grading and conveying device according to claim 1, wherein The feeding unit includes an inclined conveyor belt assembly and a material hopper arranged at the feeding end of the conveyor belt assembly. An opening communicating with the conveying surface of the conveyor belt assembly is arranged on the material hopper, and the discharging end of the conveyor belt assembly is arranged at the feeding end of the screening unit.

8. The potato seed screening, grading and conveying device according to claim 1, wherein, Further comprising: A diseased potato identification unit arranged above the screening unit for identifying the state of the seed potatoes on the screening unit; A sorting unit for sorting the seed potatoes on the screening unit; A control unit, and the control unit is respectively connected to the diseased potato identification unit and the sorting unit.

Citation Information

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