Feeding device for rice husking machine

Abstract

The utility model provides a feeding device for a rice husking machine, and solves the technical problem that a storage bin of an existing device is mostly independently designed and can only store one kind of unhulled rice, so that the rice husking machine is single in rice taking selection during rice husking. The feeding device for the rice husking machine is provided with a storage bin and a vacuum rice suction box. A rice outlet of the vacuum rice suction box communicates with a rice inlet of the storage bin. Isolation plates are longitudinally connected in the storage bin and divide an inner cavity of the storage bin into a plurality of storage sub-bins; each storage sub-bin is connected with a spiral conveyor, a feeding port of each spiral conveyor is communicated with the corresponding storage sub-bin, and a discharging port of each spiral conveyor is formed outside the corresponding storage sub-bin; the rice inlet of each storage sub-bin is communicated with the rice outlet of one vacuum rice suction box; the rice mill can be widely applied to the technical field of rice milling equipment.

Description

Technical Field

[0001] The present application relates to the technical field of rice milling equipment, and particularly relates to a feeding device for a rice milling machine. Background Art

[0002] As one of the main mechanical equipment for grain processing and production, a rice milling machine is a device that removes the bran layer from paddy by physical means to mill it into white rice. The types of equipment mainly include rubbing-type rice milling machines, milling-type rice milling machines, hybrid rice milling machines, etc. Its working process usually includes feeding, cleaning, hulling, milling, screening, discharging, dust removal, etc. Among them, the feeding step is to put paddy from the storage bin into the feed hopper of the rice milling machine.

[0003] Chinese Utility Model with publication number CN214183247U discloses a feeding system for an intelligent rice milling machine, including a bottom grain storage bin, a top grain suction device, a top grain storage bin, a top storage bin upper limit sensor, a top storage bin lower limit sensor, a grain discharge pipeline, a discharge valve control switch, a discharge valve sensor, and a grain transmission bellows. Multiple sensors are used to detect each storage bin link in the feeding system, and the information of the sensors is collected through a touch control system, so that when the storage in each feeding link is insufficient, feeding can be automatically supplemented in a timely manner, which not only saves labor, but also realizes fully automatic feeding, reduces the workload of manual maintenance, and is convenient to use.

[0004] Currently, similar to the above-mentioned utility model, most of the storage bins of rice milling machines are independently designed. When in use, only one type of paddy can be stored, resulting in a single choice of taking rice when the rice milling machine mills rice. Summary of the Invention

[0005] The purpose of the present utility model is to solve the above-mentioned technical deficiencies and provide a feeding device for a rice milling machine to achieve multiple choices of taking rice when the rice milling machine mills rice.

[0006] To this end, the present utility model provides a feeding device for a rice milling machine. The feeding device is provided with a storage bin and a vacuum rice suction box. The rice outlet of the vacuum rice suction box is communicated with the rice inlet of the storage bin; a partition board is longitudinally connected inside the storage bin, and the partition board divides the inner cavity of the storage bin into multiple storage compartments; each storage compartment is connected with a screw conveyor. The feeding port of the screw conveyor is communicated with the storage compartment, and the discharging port of the screw conveyor is arranged outside the storage compartment; the rice inlet of each storage compartment is communicated with the rice outlet of a vacuum rice suction box.

[0007] Preferably, the partition board is provided with a door body that can be opened or closed.

[0008] Preferably, the bin wall near the bottom of the storage bin is arranged in an inverted conical structure; the number of partition boards is two, and the two partition boards are in an inverted eight structure, dividing the inner cavity of the storage bin into three storage compartments.

[0009] Preferably, an observation window that can be opened or closed is provided on the bin wall of the storage bin.

[0010] Preferably, the screw conveyor is arranged at the bottom of the storage sub-bin, and the feeding ports of the screw conveyor are provided in multiple numbers.

[0011] Preferably, an intelligent weighing shelf is connected to the storage bin, and the intelligent weighing shelf is provided with weighing sensors.

[0012] Preferably, the feeding device is further provided with an intelligent control system. The intelligent control system is provided with an intelligent control device, and the intelligent control device is respectively electrically connected to the weighing sensor and the screw conveyor through control lines.

[0013] Preferably, the vacuum rice suction box is provided with a box body. A cavity is arranged inside the box body. A paddy temporary storage cavity and a paddy discharging cavity are communicated from top to bottom in the cavity. A paddy discharge port is arranged at the bottom of the paddy temporary storage cavity, and a paddy outlet is arranged at the bottom of the paddy discharging cavity; the box body is provided with a suction port and a paddy inlet, and a suction fan is connected to the suction port; the suction port and the paddy inlet are respectively communicated with the paddy temporary storage cavity; a filtering and blocking device and an opening and closing baffle device are installed in the cavity. The filtering and blocking device is provided with a filter screen, and the filter screen separates the suction port and the paddy inlet, and the paddy inlet and the paddy temporary storage cavity are located on the same side of the filter screen; the opening and closing baffle device is provided with a paddy discharge port baffle, and the paddy discharge port baffle can open or close the paddy discharge port.

[0014] Preferably, the opening and closing baffle device is further provided with a counterweight and a connecting rod. The paddy discharge port baffle is fixedly connected to the connecting rod, and the connecting rod is fixedly connected to the counterweight; a rotating shaft is connected to the connecting rod, and the paddy discharge port baffle and the counterweight are arranged on both sides of the rotating shaft.

[0015] Preferably, the feeding device is further provided with an intelligent control system. The intelligent control system is provided with an intelligent control device, and the opening and closing baffle device is further provided with a limit switch, and the limit switch is installed at the paddy discharge port; the intelligent control device is respectively electrically connected to the limit switch and the suction fan through control lines.

[0016] The beneficial effects of the present utility model are as follows: The present utility model provides a feeding device for a rice milling machine. The longitudinally arranged partition plate divides the inner cavity of the storage bin into multiple storage sub-bins. The paddy inlet of each storage sub-bin is communicated with the paddy outlet of the vacuum rice suction box, and each storage sub-bin is connected with a screw conveyor, realizing the suction and storage of different types of paddy, and finally realizing multiple choices for taking paddy when the rice milling machine mills rice. Description of the Drawings

[0017] To more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the accompanying drawings required for use in the embodiments or the description of the prior art. Obviously, the accompanying drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0018] Figure 1 is the structural schematic diagram of the present utility model;

[0019] Figure 2 is Figure 1 the structural schematic diagram of the right view of the view shown;

[0020] Figure 3 is Figure 1 the structural schematic diagram of the partial cross-sectional view of the view shown;

[0021] Figure 4 is Figure 2 the structural schematic diagram of the partial cross-sectional view of the vacuum rice suction box in;

[0022] Figure 5 is the schematic diagram of the principle of the intelligent control system of the present utility model.

[0023] Reference numerals in the figure: 1. storage bin, 2. vacuum rice suction box, 3. partition board, 4. screw conveyor, 5. intelligent weighing shelf, 6. intelligent control device, 7. filter screen, 8. opening and closing baffle device, 11. storage sub-bin, 12. observation window, 21. rice outlet, 22. rice temporary storage cavity, 23. rice unloading cavity, 24. air suction port, 25. rice inlet, 26. air suction fan, 31. door body, 51. weighing sensor, 221. rice unloading port, 81. rice unloading port baffle, 82. counterweight, 83. connecting rod, 84. rotating shaft, 85. limit switch. Detailed implementation manners

[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the following further details the present application in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application. The methods used in the present utility model are all conventional methods without special regulations; the raw materials and devices used are all conventional commercially available products without special regulations.

[0025] Please refer to Figures 1-3, the present utility model provides a feeding device for a rice milling machine. The feeding device is provided with a storage bin 1, and the feeding device is further provided with a vacuum rice suction box 2. The rice outlet 21 of the vacuum rice suction box 2 is communicated with the rice inlet 25 of the storage bin 1; a partition plate 3 is longitudinally connected in the storage bin 1, and the partition plate 3 divides the inner cavity of the storage bin 1 into multiple storage compartments 11. Each storage compartment 11 is connected with a screw conveyor 4. The feed inlet of the screw conveyor 4 is communicated with the storage compartment 11, and the discharge outlet of the screw conveyor 4 is arranged outside the storage compartment 11 to convey the rice stored in the storage compartment 11 to the next process. The rice inlet 25 of each storage compartment 11 is communicated with the rice outlet 21 of a vacuum rice suction box 2. The rice sucked by the vacuum rice suction box 2 from the outside enters each storage compartment 11 for storage through the rice outlet 21 and the rice inlet 25 in sequence. The storage compartments 11 store the same or different types of rice, thus realizing the suction and storage of different types of rice, and finally realizing multiple choices for taking rice when the rice milling machine mills rice.

[0026] Please refer to Figure 3 , in some embodiments, the partition plate 3 is preferably provided with a door body 31 that can be opened or closed, and the door body 31 can be opened or closed according to the type of rice. When the types of rice in two adjacent storage compartments 11 are different, the door body 31 is closed to isolate different types of rice through the partition plate 3; when the types of rice in two adjacent storage compartments 11 are the same, the door body 31 can be opened, and the two adjacent storage compartments 11 are communicated. The screw conveyors 4 in their respective storage compartments 11 are started. During the process of conveying the rice to the next process, the storage heights of the rice in the two storage compartments 11 gradually decrease. When there is a height difference in the storage heights of the rice in two adjacent storage compartments 11, the rice with a higher storage height flows into the storage compartment 11 where the rice with a lower storage height is located through the channel formed by opening the door body 31 under the action of gravity, realizing the dynamic balance of the storage heights of the rice in two adjacent storage compartments 11.

[0027] Please refer to Figure 3 , in some embodiments, the bin wall near the bottom of the storage bin 1 is preferably arranged in an inverted conical structure; the number of partition plates 3 is preferably two, and the two partition plates 3 are in an inverted eight structure, dividing the inner cavity of the storage bin 1 into three storage compartments 11. The three storage compartments 11 roughly form an inverted conical structure, which is more conducive to the downward flow of the rice in the storage bin 1 under the action of gravity.

[0028] Please refer to Figure 2 , Figure 3 , in some embodiments, the bin wall of the storage bin 1 is preferably provided with an observation window 12 that can be opened or closed, which is convenient for observing the rice stored in the storage bin 1 through the observation window 12.

[0029] Please refer to Figure 3, in some embodiments, the screw conveyor 4 is preferably arranged at the bottom of the storage bin 11, and the feeding ports of the screw conveyor 4 are multiple, enabling the paddy to smoothly enter the screw conveyor 4, which is more conducive to the screw conveyor 4 transporting the paddy to the next process.

[0030] Please refer to Figure 3 , in some embodiments, the storage bin 1 is preferably connected with an intelligent weighing shelf 5. The intelligent weighing shelf 5 is provided with a weighing sensor 51, and the weighing sensor 51 transmits the weight of the storage bin 1 in the form of an induction signal.

[0031] Please refer to Figure 5 , in some embodiments, the feeding device is preferably further provided with an intelligent control system. The intelligent control system is provided with an intelligent control device 6. The intelligent control device 6 is a programmable memory, such as a PLC (programmable logic controller); the intelligent control device 6 is electrically connected to the weighing sensor 51 and the screw conveyor 4 respectively through control lines. The weighing sensor 51 transmits the weight of the storage bin 1 in the form of an induction signal to the intelligent control device 6 through the control line. After receiving the induction signal, the intelligent control device 6 sends an instruction to the screw conveyor 4, and after receiving the instruction, the screw conveyor 4 makes a stop or start action.

[0032] The vacuum rice suction box 2 can be a vacuum rice suction machine in the prior art, or can preferably be the following structure:

[0033] Please refer to Figure 4 、 Figure 5 , in some embodiments, the vacuum rice suction box 2 is provided with a box body. A cavity is arranged inside the box body. The cavity is provided with a paddy temporary storage cavity 22 and a paddy discharging cavity 23 communicating from top to bottom. A paddy discharge port 221 is arranged at the bottom of the paddy temporary storage cavity 22, and a paddy outlet 21 is arranged at the bottom of the paddy discharging cavity 23; the box body is provided with an air suction port 24 and a paddy inlet 25. An air suction fan 26 (not shown in the figure) is connected to the air suction port 24; the air suction port 24 and the paddy inlet 25 are respectively communicated with the paddy temporary storage cavity 22; a filtering and blocking device and an opening and closing baffle device 8 are installed inside the cavity. The filtering and blocking device is provided with a filter screen 7. The filter screen 7 separates the air suction port 24 and the paddy inlet 25, and the paddy inlet 25 and the paddy temporary storage cavity 22 are located on the same side of the filter screen 7; the opening and closing baffle device 8 is provided with a paddy discharge port baffle 81, and the paddy discharge port baffle 81 can open or close the paddy discharge port 221. Under the action of the air suction fan 26, a negative pressure is generated in the paddy temporary storage cavity 22, enabling the paddy to enter the paddy temporary storage cavity 22 from the outside through the paddy inlet 25. The function of the filter screen 7 is to prevent the paddy from being sucked into the air suction port 24.

[0034] Please refer to Figure 3, in some of these embodiments, the opening and closing baffle device 8 is also preferably provided with a counterweight 82 and a connecting rod 83. The paddy discharge port baffle 81 is fixedly connected to the connecting rod 83, and the connecting rod 83 is fixedly connected to the counterweight 82. A rotating shaft 84 is connected to the connecting rod 83. The paddy discharge port baffle 81 and the counterweight 82 are arranged on both sides of the rotating shaft 84. When the paddy accumulated in the paddy temporary storage cavity 22 increases to a certain amount, under the action of the self-gravity of the paddy in the paddy temporary storage cavity 22, the connecting rod 83 rotates around the shaft by the lever principle. The paddy in the paddy temporary storage cavity 22 pushes the paddy discharge port baffle 81 downward, opening the paddy discharge port 221, so that the paddy falls downward from the paddy discharge port 221 into the paddy discharge cavity 23. As the paddy in the paddy temporary storage cavity 22 drops, when the paddy in the paddy temporary storage cavity 22 decreases to a certain amount, under the action of the counterweight 82, the connecting rod 83 rotates around the shaft by the lever principle, resetting the paddy discharge port baffle 81 and closing the paddy discharge port 221.

[0035] Please refer to Figure 5 , in some of these embodiments, the feeding device is also preferably provided with an intelligent control system. The intelligent control system is provided with an intelligent control device 6. The intelligent control device 6 is a programmable memory, such as a PLC (programmable logic controller). The opening and closing baffle device 8 is also provided with a limit switch 85. The limit switch 85 is installed at the paddy discharge port 221. The intelligent control device 6 is electrically connected to the limit switch 85 and the suction fan 26 respectively through control lines. When the paddy discharge port baffle 81 opens or closes the paddy discharge port 221, the limit switch 85 transmits the corresponding induction signal to the intelligent control device 6 through the control line. After receiving the induction signal, the intelligent control device 6 sends an instruction to the suction fan 26, and the suction fan 26 makes a stop or start action after receiving the instruction.

[0036] It should be noted that the intelligent control system of the present invention also includes a power supply module and the like, which belong to the prior art and will not be elaborated here.

[0037] The longitudinally arranged partition board 3 of the present invention divides the inner cavity of the storage bin 1 into multiple storage sub-bins 11. The paddy inlet 25 of each storage sub-bin 11 is communicated with the paddy outlet 21 of the vacuum rice suction box 2. The paddy sucked by the vacuum rice suction box 2 from the outside enters each storage sub-bin 11 for storage through the paddy outlet 21 and the paddy inlet 25 in sequence. The screw conveyor 4 arranged in each storage sub-bin 11 conveys the paddy in the corresponding storage sub-bin 11 to the next process. Operators can store the same or different types of paddy in the storage sub-bin 11 according to the actual situation, realizing the suction and storage of different types of paddy, and finally realizing multiple choices for taking paddy when the rice milling machine mills rice.

[0038] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "left", "right", "upper", "lower", "top", "bottom", "front", "rear", "inner", "outer", "back", "middle", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model 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 should not be construed as a limitation on the present utility model.

[0039] The above are only the preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application, such as each storage bin 11 is connected with a plurality of screw conveyors 4, and a plurality of storage bins 11 share one screw conveyor 4; each storage bin 11 communicates with a plurality of vacuum rice suction boxes 2, and a plurality of storage bins 11 share one vacuum rice suction box 2 through pipelines in parallel, etc.; shall all be included in the protection scope of the present application.

Claims

1. A feeding device for a rice milling machine, the feeding device is provided with a storage bin (1), characterized in that, The feeding device is further provided with a vacuum rice suction box (2), and a rice outlet (21) of the vacuum rice suction box (2) is communicated with a rice inlet (25) of the storage bin (1); a partition board (3) is longitudinally connected in the storage bin (1), and the partition board (3) divides the inner cavity of the storage bin (1) into a plurality of storage sub - bins (11); each storage sub - bin (11) is connected with a screw conveyor (4), a feeding port of the screw conveyor (4) is communicated with the storage sub - bin (11), and a discharging port of the screw conveyor (4) is arranged outside the storage sub - bin (11); a rice inlet (25) of each storage sub - bin (11) is communicated with a rice outlet (21) of one of the vacuum rice suction boxes (2).

2. The feeding device for a rice milling machine according to claim 1, wherein, The partition board (3) is provided with a door body (31) which can be opened or closed.

3. The feeding device for a rice milling machine according to claim 1, characterized in that, The bin wall near the bottom of the storage bin (1) is arranged in an inverted conical structure; the number of the partition boards (3) is two, and the two partition boards (3) are in an inverted eight - shape structure, dividing the inner cavity of the storage bin (1) into three storage sub - bins (11).

4. The feeding device for a rice milling machine according to claim 1, characterized in that, The bin wall of the storage bin (1) is provided with an observation window (12) which can be opened or closed.

5. The feeding device for a rice milling machine according to claim 1, characterized in that, The screw conveyor (4) is arranged at the bottom of the storage sub - bin (11), and the feeding port of the screw conveyor (4) is provided with a plurality of inlets.

6. A feeding device for a rice milling machine according to any one of claims 1-5, characterized in that, The storage bin (1) is connected with an intelligent weighing shelf (5), and the intelligent weighing shelf (5) is provided with a weighing sensor (51).

7. The feeding device for a rice milling machine according to claim 6, characterized in that, The feeding device is further provided with an intelligent control system, the intelligent control system is provided with an intelligent control device (6), and the intelligent control device (6) is electrically connected with the weighing sensor (51) and the screw conveyor (4) respectively through control lines.

8. The feeding device for a rice milling machine according to claim 1, characterized in that, The vacuum rice suction box (2) is provided with a box body, a cavity is arranged in the box body, a rice temporary storage cavity (22) and a rice discharging cavity (23) are communicated in the cavity from top to bottom, a rice discharging port (221) is arranged at the bottom of the rice temporary storage cavity (22), and the rice outlet (21) is arranged at the bottom of the rice discharging cavity (23); The box body is provided with an air suction port (24) and a rice inlet (25), and an air suction fan (26) is communicated with the air suction port (24); the air suction port (24) and the rice inlet (25) are respectively communicated with the rice temporary storage cavity (22); a filtering and blocking device and an opening - closing baffle device (8) are installed in the cavity, the filtering and blocking device is provided with a filter screen (7), the filter screen (7) separates the air suction port (24) and the rice inlet (25), and the rice inlet (25) and the rice temporary storage cavity (22) are located on the same side of the filter screen (7); the opening - closing baffle device (8) is provided with a rice discharging port baffle (81), and the rice discharging port baffle (81) can open or close the rice discharging port (221).

9. The feeding device for a rice milling machine according to claim 8, characterized in that, The opening and closing baffle device (8) is further provided with a counterweight (82) and a connecting rod (83). The paddy discharge port baffle (81) is fixedly connected to the connecting rod (83), and the connecting rod (83) is fixedly connected to the counterweight (82). A rotating shaft (84) is connected to the connecting rod (83). The paddy discharge port baffle (81) and the counterweight (82) are arranged on both sides of the rotating shaft (84).

10. The feeding device for a rice milling machine according to claim 8, characterized in that, The feeding device is further provided with an intelligent control system. The intelligent control system is provided with an intelligent control device (6). The opening and closing baffle device (8) is further provided with a limit switch (85). The limit switch (85) is installed at the paddy discharge port (221). The intelligent control device (6) is electrically connected to the limit switch (85) and the suction fan (26) respectively through control lines.

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