CN220697455U - Rice preliminary screening device - Google Patents
Rice preliminary screening device Download PDFInfo
- Publication number
- CN220697455U CN220697455U CN202322044920.0U CN202322044920U CN220697455U CN 220697455 U CN220697455 U CN 220697455U CN 202322044920 U CN202322044920 U CN 202322044920U CN 220697455 U CN220697455 U CN 220697455U
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- China
- Prior art keywords
- box body
- orifice plate
- rice
- communicated
- pore plate
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 53
- 235000009566 rice Nutrition 0.000 title claims abstract description 53
- 238000012216 screening Methods 0.000 title claims abstract description 16
- 240000007594 Oryza sativa Species 0.000 title abstract 2
- 239000011148 porous material Substances 0.000 claims abstract description 35
- 241000209094 Oryza Species 0.000 claims description 51
- 239000000463 material Substances 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 16
- 238000004140 cleaning Methods 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000003801 milling Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Adjustment And Processing Of Grains (AREA)
Abstract
The utility model provides a rice preliminary screening device, which comprises a box body, a first orifice plate, a second orifice plate and a third orifice plate, wherein the first orifice plate, the second orifice plate and the third orifice plate are fixedly arranged in the box body in a Z shape from top to bottom, and a first leak hole, a second leak hole and a third leak hole with gradually reduced pore diameters are respectively formed in the first orifice plate, the second orifice plate and the third orifice plate; the box body is also fixedly connected with a feed hopper which is communicated with the box body and is positioned above the higher end of the first pore plate, and a guide chute which is fixedly connected with the feed hopper and is communicated with the box body and is connected with the lower end of the third pore plate, and the guide chute is communicated with the box body; the upper end and the lower end of the box body are also fixedly connected with an exhaust pipe and an air inlet pipe which are communicated with the box body respectively, and the air inlet pipe is positioned below the third pore plate. The utility model solves the problem that in the prior art, the floating dust is attached in the equipment and needs to be disassembled for cleaning.
Description
Technical Field
The utility model relates to the technical field of rice processing auxiliary equipment, in particular to a rice preliminary screening device.
Background
In the prior art, rice is processed by milling rice, and part of the rice is generally broken after milling rice, so that broken rice is produced, and the quality of the rice is reduced. Therefore, screening is required after rice milling to screen out broken rice. In the prior art, the screening equipment is generally driven by a vibrating motor and can be efficiently screened in a vibrating screening mode, but a small amount of floating dust is generally attached to the surface of the rice just processed, the floating dust is separated from the rice due to vibration, and in the prior art, closed vibrating equipment is generally adopted for preventing the rice from being flicked by vibration, so that the floating dust can be accumulated in the equipment, and the machine is required to be disassembled for cleaning after a period of operation.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a rice preliminary screening device, which solves the problem that in the prior art, floating dust is attached in equipment and needs to be disassembled for cleaning.
According to the embodiment of the utility model, the rice preliminary screening device comprises a box body, a first orifice plate, a second orifice plate and a third orifice plate, wherein the first orifice plate, the second orifice plate and the third orifice plate are fixedly arranged in the box body from top to bottom in a Z shape, and a first leak hole, a second leak hole and a third leak hole with gradually reduced pore diameters are respectively formed in the first orifice plate, the second orifice plate and the third orifice plate; the box body is also fixedly connected with a feed hopper which is communicated with the box body and is positioned above the higher end of the first pore plate, and a guide chute which is fixedly connected with the feed hopper and is communicated with the box body and is connected with the lower end of the third pore plate, and the guide chute is communicated with the box body; the upper end and the lower end of the box body are also fixedly connected with an exhaust pipe and an air inlet pipe which are communicated with the box body respectively, wherein the exhaust pipe is positioned above the first pore plate, and the air inlet pipe is positioned below the third pore plate.
In the above embodiment, the closed box structure is adopted equally, the difference lies in that the first orifice plate of "Z" shape, second orifice plate and third orifice plate that this embodiment adopted the slope to set up supply rice to follow in the box to remove down, last third orifice plate plays the filter effect, broken rice passes third orifice plate and normal rice separation, then normal rice derives through the baffle box, whole rice removes in-process and can send into wind from the air-supply line, then derive through the exhaust pipe, can take out the floating dust like this, thereby avoid the floating dust accumulation in the box, the problem of cleaning because of floating dust is attached to in equipment needs to tear open in the prior art.
Further, the lower ends of the first orifice plate and the second orifice plate are also respectively provided with a first blanking frame and a second blanking frame.
Further, the lower end of the box body is fixedly connected with a material guiding pipe which is communicated with the box body and is positioned below the third pore plate.
Further, a guide hopper positioned between the third pore plate and the guide pipe is fixedly connected in the box body.
Further, the air inlet pipe is positioned between the third pore plate and the guide hopper.
Further, a blower is fixedly arranged outside the box body, and an air outlet pipe of the blower is communicated with the air inlet pipe.
Further, the upper end of the box body is fixedly connected with a wind collecting cover communicated with the box body, and the exhaust pipe is communicated with the wind collecting cover.
Further, the box with baffle box intercommunication department still fixedly connected with soft curtain, soft curtain includes a plurality of just that set up side by side soft curtain the upper end with the box is connected, the lower extreme with the baffle box inner bottom surface is separated.
Compared with the prior art, the utility model has the following beneficial effects:
the rice moves in a Z shape in the box body through the first orifice plate, the second orifice plate and the third orifice plate, wind can be sent in from the air inlet pipe in the moving process and then guided out through the exhaust pipe, so that floating dust can be brought out, the accumulation of the floating dust in the box body is avoided, and the problem that in the prior art, the floating dust is attached to equipment and needs to be removed for cleaning is solved; meanwhile, the fed wind can also play a role in cooling.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;
in the above figures:
the device comprises a box body 1, a first orifice plate 2, a second orifice plate 3, a third orifice plate 4, a feed hopper 5, a guide chute 6, an exhaust pipe 7, an air inlet pipe 8, a blower 9, a soft curtain 10, a first blanking frame 11, a second blanking frame 12, a guide pipe 13, a guide hopper 14 and a wind collecting cover 15.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
As shown in fig. 1, the present embodiment provides a rice preliminary screening device, which includes a box 1, and a first orifice plate 2, a second orifice plate 3 and a third orifice plate 4, wherein the first orifice plate 2, the second orifice plate 3 and the third orifice plate 4 are fixedly arranged in the box 1 from top to bottom in a zigzag shape (i.e. the first orifice plate 2, the second orifice plate 3 and the third orifice plate 4 are all obliquely arranged), and a first leak hole, a second leak hole and a third leak hole with gradually reduced apertures are respectively formed on the first orifice plate 2, the second orifice plate 3 and the third orifice plate 4; the box body 1 is also fixedly connected with a feed hopper 5 which is communicated with the box body and is positioned above the higher end of the first pore plate 2, and a guide chute 6 which is fixedly connected with the feed hopper and is communicated with the lower end of the third pore plate 4, and the guide chute 6 is communicated with the box body 1; the upper end and the lower end of the box body 1 are also fixedly connected with an exhaust pipe 7 and an air inlet pipe 8 which are communicated with the box body, wherein the exhaust pipe 7 is positioned above the first pore plate 2, and the air inlet pipe 8 is positioned below the third pore plate 4.
In the embodiment, the closed box body 1 is also adopted, and the difference is that the embodiment adopts the first orifice plate 2, the second orifice plate 3 and the third orifice plate 4 which are obliquely arranged in a Z shape for rice to move from top to bottom in the box body 1, the last third orifice plate 4 plays a role in filtering, the broken rice passes through the third orifice plate 4 to be separated from normal rice, then the normal rice is guided out through the guide chute 6, the whole rice can be fed into wind from the wind inlet pipe 8 in the moving process and then guided out through the exhaust pipe 7, so that floating dust can be carried out, thereby avoiding the accumulation of the floating dust in the box body 1, and solving the problem that the floating dust is required to be removed and cleaned in the equipment because of adhesion in the prior art;
in the actual production process, the milled rice still has the problem of higher temperature, the embodiment is introduced with wind from the lower end of the box body 1, and the temperature of the rice can be reduced, in particular, in order to ensure that the wind is smoothly fed, a blower 9 is fixedly arranged outside the box body 1, an air outlet pipe of the blower 9 is communicated with the air inlet pipe 8, the wind is fed through the blower 9 and then gradually passes through the third pore plate 4, the second pore plate 3 and the first pore plate 2 upwards to enter the exhaust pipe 7, in order to ensure that the path of the wind is not deviated, a draught fan is connected at the tail end of the exhaust pipe 7, and the wind is guided to avoid that more wind enters the feed hopper 5 or the guide chute 6; particularly, the soft curtain 10 is fixedly connected to the communicating part of the box body 1 and the guide chute 6, the soft curtain 10 comprises a plurality of soft curtains which are arranged side by side, the upper ends of the soft curtains 10 are connected with the box body 1, the lower ends of the soft curtains 10 are separated from the inner bottom surface of the guide chute 6, the arranged soft curtains 10 play a role of blocking so as to prevent a great deal of wind from leaking out of the inner bottom surface of the guide chute 6, the lower ends of the soft curtains 10 are separated from the inner bottom surface of the guide chute 6, rice can smoothly pass through the guide chute when moving downwards, and the lower ends of the soft curtains 10 can be pushed when the rice is large so as to push the lower ends of the soft curtains 10 to smoothly pass through the guide chute without stacking phenomenon at the guide chute;
particularly, in this embodiment, the first, second and third holes are located on the first, second and third hole plates 2, 3 and 4, respectively, and the hole diameters are gradually reduced, so that part of the rice can smoothly pass through the first and second hole plates 2, 3 along with broken rice in the moving process, and only the broken rice passes through the third hole plate 4, namely, the upper part of the rice in the box 1 moves faster, so that floating dust is guided away with wind rapidly, and the lower part of the rice mainly plays a role in screening broken rice.
In a further embodiment, the lower ends of the first orifice plate 2 and the second orifice plate 3 are further provided with a first blanking frame 11 and a second blanking frame 12 respectively, so that rice can be prevented from being accumulated at the lower ends of the first orifice plate 2 and the second orifice plate 3, and the rice can be directly led into the guide chute 6 at the lower position of the third orifice plate 4 to be led out, and no accumulation can occur.
In a further embodiment, in order to facilitate guiding out the broken rice, the lower end of the box body 1 is fixedly connected with a guide pipe 13 which is communicated with the lower end of the box body and is positioned below the third orifice plate 4, further, a guide hopper 14 which is positioned between the third orifice plate 4 and the guide pipe 13 is fixedly connected in the box body 1, and the broken rice which passes through the third orifice plate 4 falls into the guide hopper 14 and then enters the guide pipe 13, and finally leaves the box body 1; wherein the air inlet pipe 8 is positioned between the third pore plate 4 and the guide hopper 14, so as to avoid more blockage of the guiding-out of broken rice caused by the air inlet.
In a further embodiment, the upper end of the box body 1 is fixedly connected with a wind collecting cover 15 communicated with the box body 1, the exhaust pipe 7 is communicated with the wind collecting cover 15, and the area of the wind collecting cover 15 communicated with the box body 1 can be larger, so that a larger range is covered, and floating dust smoothly enters the wind collecting cover 15 along with wind and then enters the exhaust pipe 7.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (8)
1. The rice preliminary screening device is characterized by comprising a box body, a first pore plate, a second pore plate and a third pore plate, wherein the first pore plate, the second pore plate and the third pore plate are fixedly arranged in the box body from top to bottom in a Z shape, and a first leakage hole, a second leakage hole and a third leakage hole with gradually reduced pore diameters are respectively formed in the first pore plate, the second pore plate and the third pore plate; the box body is also fixedly connected with a feed hopper which is communicated with the box body and is positioned above the higher end of the first pore plate, and a guide chute which is fixedly connected with the feed hopper and is communicated with the box body and is connected with the lower end of the third pore plate, and the guide chute is communicated with the box body; the upper end and the lower end of the box body are also fixedly connected with an exhaust pipe and an air inlet pipe which are communicated with the box body respectively, wherein the exhaust pipe is positioned above the first pore plate, and the air inlet pipe is positioned below the third pore plate.
2. The rice prescreening device of claim 1, wherein the lower ends of the first orifice plate and the second orifice plate are further provided with a first blanking frame and a second blanking frame, respectively.
3. The rice preliminary screening device according to claim 1, wherein the lower end of the box body is fixedly connected with a material guiding pipe which is communicated with the lower end of the box body and is positioned below the third pore plate.
4. A rice prescreening device according to claim 3, wherein a guide hopper is fixedly connected in the box body between the third orifice plate and the guide tube.
5. The rice prescreening device of claim 4, wherein the air inlet tube is positioned between the third orifice plate and the guide hopper.
6. The rice preliminary screening device according to any one of claims 1 to 5, wherein a blower is fixedly installed outside the housing, and an air outlet pipe of the blower is communicated with the air inlet pipe.
7. The rice preliminary screening device according to any one of claims 1-5, wherein the upper end of the box body is also fixedly connected with a wind collecting hood communicated with the box body, and the exhaust pipe is communicated with the wind collecting hood.
8. The rice preliminary screening device according to any one of claims 1-5, wherein a soft curtain is fixedly connected to the connection part of the box body and the guide chute, the soft curtain comprises a plurality of soft curtains which are arranged side by side, the upper ends of the soft curtains are connected with the box body, and the lower ends of the soft curtains are separated from the inner bottom surface of the guide chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322044920.0U CN220697455U (en) | 2023-07-31 | 2023-07-31 | Rice preliminary screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322044920.0U CN220697455U (en) | 2023-07-31 | 2023-07-31 | Rice preliminary screening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220697455U true CN220697455U (en) | 2024-04-02 |
Family
ID=90440869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322044920.0U Active CN220697455U (en) | 2023-07-31 | 2023-07-31 | Rice preliminary screening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220697455U (en) |
-
2023
- 2023-07-31 CN CN202322044920.0U patent/CN220697455U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |