CN222551408U - A screening device for rice processing - Google Patents
A screening device for rice processing Download PDFInfo
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- CN222551408U CN222551408U CN202421225358.XU CN202421225358U CN222551408U CN 222551408 U CN222551408 U CN 222551408U CN 202421225358 U CN202421225358 U CN 202421225358U CN 222551408 U CN222551408 U CN 222551408U
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Abstract
The utility model discloses a screening device for rice processing, which comprises a screening box body, wherein a feed pipe is arranged at the top of the screening box body, a feed control structure is arranged at the feed pipe, a first-stage screen, a second-stage screen and a guide slope are sequentially arranged inside the screening box body in an inclined mode up and down, vibration motors are arranged on the first-stage screen and the second-stage screen, a blowing pipe is arranged at the top end of one side of the screening box body, a blower is arranged on the blowing pipe, a dust collecting structure is arranged on the other side wall in a matched mode, a centrifugal impeller is rotatably arranged in the discharge pipe in a matched mode through a bearing, a first motor is arranged in the matched mode, at least two groups of installation racks are arranged on the outer side of the screening box body, and a belt conveying structure is arranged on the installation racks.
Description
Technical Field
The utility model relates to the technical field of rice processing, in particular to a screening device for rice processing.
Background
In the rice processing process, the particles can carry a lot of dust and shell fragments, and meanwhile, particles such as small stones exist, the existing screening device for rice processing mainly screens the particle size of the rice through a screen structure, and the dust particles in the rice can be removed while screening, but the dust particles are poorer in removing effect, and after screening, part of dust structures still exist in the rice;
And the simple screening mode through the screen cloth is inconvenient to screen stones and the like with the same grain size as the rice grains, and Dan Ziliang good rice grains can not be screened out.
Disclosure of utility model
(One) solving the technical problems
Aiming at the problems in the prior art, the utility model provides a screening device for rice processing, which aims to solve the technical problem that the screening device for rice processing in the prior art has poor effect of removing dust, shell fragments, stones and the like in the process of screening rice.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a sieving mechanism for rice processing, includes the screening box, the top of screening box is provided with the inlet pipe, inlet pipe department is provided with feeding control structure, the inside slope in proper order of screening box is provided with one-level screen cloth, second grade screen cloth and direction slope from top to bottom, all be provided with vibrating motor on one-level screen cloth and the second grade screen cloth, one side top of screening box is provided with the blowing pipe, be provided with the hair-dryer on the blowing pipe, and the cooperation blowing pipe is provided with dust collection structure on another lateral wall, cooperation one-level screen cloth, second grade screen cloth and direction slope all are provided with the discharging pipe on the lateral wall of screening box, centrifugal impeller is installed through the bearing rotation in the discharging pipe to cooperation centrifugal impeller is provided with first motor, the outside of screening box is provided with two at least groups of mounting brackets, be provided with belt conveying structure on the mounting bracket.
The belt conveying structure comprises a conveying roller rotatably arranged on a mounting frame, a conveying belt is arranged on the mounting frame through the conveying roller, and a conveying motor is arranged on the mounting frame in a matched mode with the conveying roller, so that the screened stones and rice can be conveniently conveyed separately.
The feeding control structure comprises a feeding shaft rotatably arranged in the feeding pipe through a bearing, a feeding motor is arranged in cooperation with the feeding shaft, feeding control blades are arranged on the feeding shaft, and feeding control of the feeding pipe can be achieved through the arrangement of the feeding motor, the feeding shaft and the feeding control blades.
The dust collecting structure comprises an air outlet pipe connected with the screening box body, a protective filter screen is arranged at the air inlet end of the air outlet pipe, and the tail end of the air outlet pipe is connected with the dust collecting box, so that the dust collecting structure can collect the dust particles such as the blown dust shell.
The utility model is further characterized in that the guide plate is reversely and obliquely arranged between the first-stage screen and the second-stage screen, and the guide effect of the rice between the first-stage screen and the second-stage screen is improved through the arrangement of the guide plate.
The utility model is further arranged that the air outlet pipe is provided with the one-way valve, so that the air flow is prevented from flowing back on the air outlet pipe.
The utility model is further arranged that the top end of the feeding pipe is provided with the feeding hopper, and the feeding convenience can be improved through the arrangement of the feeding hopper.
The utility model is further characterized in that the bottom end of the screening box body is provided with supporting legs, and the bottom ends of the supporting legs are provided with fixing feet to realize integral stable support.
(III) beneficial effects
Compared with the prior art, the utility model provides a screening device for rice processing, which comprises the following components
The beneficial effects are that:
1. The rice screening machine comprises a screening box body, wherein a feeding pipe is arranged at the top of the screening box body, a feeding control structure is arranged at the feeding pipe, a first-stage screen, a second-stage screen and a guiding slope are sequentially arranged inside the screening box body in an inclined mode up and down, vibration motors are arranged on the first-stage screen and the second-stage screen, screening of rice with different particle sizes can be achieved through cooperation of the first-stage screen and the second-stage screen, and screening effect of rice is improved.
2. According to the utility model, the blowing pipe is arranged at the top end of one side of the screening box body, the blower is arranged on the blowing pipe, the dust collection structure is arranged on the other side wall in cooperation with the blowing pipe, the dust collection structure comprises the air outlet pipe connected with the screening box body, the air inlet end of the air outlet pipe is provided with the protection filter screen, and the tail end of the air outlet pipe is connected with the dust collection box, so that the blower is started in the process that rice enters the screening box body from the feeding pipe and falls on the first-stage screen, under the action of the blower, air flow can be blown to the fallen rice through the blowing pipe, dust and shell fragments in the rice can be blown outwards and enter the air outlet pipe, and the dust collection is carried into the dust collection box through the air outlet pipe, and in the process, the interception of rice particles can be realized through the arrangement of the protection filter screen, and the condition that the rice is blown to the air outlet pipe is avoided.
3. According to the utility model, the side wall of the screening box body is provided with the discharging pipes in a matched manner, the centrifugal impeller is rotatably arranged in the discharging pipes through the bearings, the centrifugal impeller is provided with the first motor in a matched manner, the materials screened by the first-stage screen and the second-stage screen are respectively classified in the first-stage screen, the second-stage screen and the guiding slope and are discharged outwards through the discharging pipes, the first motor is started, the centrifugal impeller can be controlled to rotate through the first motor, so that the materials discharged from the discharging pipes are discharged outwards in a centrifugal manner, and layering is generated during discharging due to different weights of stone particles with the same particle size carried in rice, so that the screening of stone chips in the rice is realized.
4. According to the utility model, at least two groups of mounting frames are arranged on the outer side of the screening box body, the belt type conveying structure is arranged on the mounting frames, the belt type conveying structure comprises conveying rollers rotatably arranged on the mounting frames, conveying belts are arranged through the conveying rollers, conveying motors are arranged on the mounting frames in a matched manner, the screened rice, stones and other scraps can fall on different conveying belts when discharged from the discharging pipe under the action of the centrifugal impeller, the conveying motors are started, and the conveying rollers can be controlled to drive the conveying belts to move through the conveying motors, so that separated conveying of the screened rice and stones is realized, and the situation of accumulation is avoided.
Drawings
FIG. 1 is a schematic diagram of the whole structure of a screening device for rice processing according to the present utility model;
FIG. 2 is a schematic diagram showing the whole structure of a screening device for rice processing according to the present utility model;
FIG. 3 is a schematic cross-sectional view of the overall structure of the present utility model;
FIG. 4 is a schematic cross-sectional view showing the internal structure of the feed pipe in the present utility model;
fig. 5 is an exploded view of the connection structure between the mounting frame and the belt conveyor structure according to the present utility model.
The device comprises a screening box body, a feeding pipe, a first-stage screen, a second-stage screen, a guide slope, a vibration motor, a 7, a blowing pipe, a blower, a 9, a discharging pipe, a 10, a centrifugal impeller, a 11, a first motor, a 12, a mounting frame, a 13, a belt conveying structure, a 14, a conveying roller, a 15, a conveying belt, a 16, a conveying motor, a 17, a feeding shaft, a 18, a feeding motor, a 19, a feeding control blade, a 20, a wind outlet pipe, a 21, a protective screen, a 22, a dust box, a 23, a guide plate, a 24, a one-way valve, a 25, a feeding hopper, a 26, a supporting leg, a 27 and a fixed foot.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.
In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally in the directions shown in the drawings or in the vertical, vertical or gravitational directions, and similarly, for convenience of understanding and description, the terms "left" and "right" are used generally in the directions shown in the drawings, and the terms "inner" and "outer" are used to refer to the inner and outer sides with respect to the outline of each component itself, but the terms of orientation are not intended to limit the present utility model.
Referring to fig. 1-5, a screening device for rice processing comprises a screening box body 1, wherein a feed pipe 2 is arranged at the top of the screening box body 1, a feed control structure is arranged at the position of the feed pipe 2, a primary screen 3, a secondary screen 4 and a guide slope 5 are sequentially arranged inside the screening box body 1 in an inclined mode up and down, vibration motors 6 are arranged on the primary screen 3 and the secondary screen 4, screening of different grain sizes of rice can be achieved through cooperation of the primary screen 3 and the secondary screen 4, and screening effect of the rice is improved.
According to the utility model, the blowing pipe 7 is arranged at the top end of one side of the screening box body 1, the blowing pipe 7 is provided with the blower 8, the other side wall is provided with the dust collecting structure in cooperation with the blowing pipe 7, wherein the dust collecting structure comprises the air outlet pipe 20 connected with the screening box body 1, the air inlet end of the air outlet pipe 20 is provided with the protection filter screen 21, and the tail end of the air outlet pipe is connected with the dust collecting box 22, so that the blower 8 is started in the process that rice enters the screening box body 1 from the feeding pipe 2 and falls on the first-stage screen 3, under the action of the blower 8, air flow can be blown to the falling rice through the blowing pipe 7, so that dust and shell fragments in the rice can be blown outwards and enter the air outlet pipe 20, and are conveyed into the dust collecting box 22 through the air outlet pipe 20 for collection, and in the process, the protection filter screen 21 can be used for realizing interception of rice particles, and the condition that the rice is blown to the air outlet pipe 20 is avoided.
According to the utility model, the side wall of the screening box body 1 is matched with the first-stage screen 3, the second-stage screen 4 and the guide slope 5, the discharging pipes 9 are respectively provided with the centrifugal impeller 10 through bearings, the centrifugal impeller 10 is matched with the first motor 11, the materials screened by the first-stage screen 3 and the second-stage screen 4 are respectively classified in the first-stage screen 3, the second-stage screen 4 and the guide slope 5 and are discharged outwards through the discharging pipes 9, the first motor 11 is started, the centrifugal impeller 10 can be controlled to rotate through the first motor 11, so that the materials discharged from the discharging pipes 9 are discharged outwards in a centrifugal way, and layering is generated during discharging due to different weights of stone particles with the same particle size carried in rice, so that screening of stone chips in rice is realized.
According to the utility model, at least two groups of mounting frames 12 are arranged on the outer side of the screening box body 1, a belt conveying structure 13 is arranged on the mounting frames 12, the belt conveying structure 13 comprises conveying rollers 14 rotatably arranged on the mounting frames 12, conveying belts 15 are arranged on the mounting frames 12 through the conveying rollers 14, conveying motors 16 are arranged on the mounting frames 12 in a matched mode, and rice, stones and other scraps after screening can fall on different conveying belts 15 when discharged from the discharging pipe 9 under the action of the centrifugal impeller 10, the conveying motors 16 are started, and the conveying rollers 14 can be controlled to drive the conveying belts 15 to move through the conveying motors 16, so that separated conveying of the rice and the stones after screening is realized, and the situation of accumulation is avoided.
Referring to fig. 1-5, as an embodiment of the feed control structure, the feed control structure includes a feed shaft 17 rotatably mounted in the feed pipe 2 through a bearing, and a feed motor 18 is provided in cooperation with the feed shaft 17, and a feed control blade 19 is provided on the feed shaft 17.
Specifically, the feeding motor 18 is started, the feeding shaft 17 can be controlled to rotate through the feeding motor 18, and the feeding control blade 19 can be controlled to rotate through the feeding shaft 17, so that the feeding uniformity of rice when the feeding pipe 2 is conveyed into the screening box body 1 can be realized, and the screening effect of the rice is improved.
Referring to fig. 1-5, as an embodiment of the screening box 1, a deflector 23 is provided between the primary screen 3 and the secondary screen 4 in a reverse incline.
Specifically, the rice that falls off of the first-stage screen 3 can be guided by the arrangement of the guide plate 23 and conveyed to the higher end of the second-stage screen 4.
Referring to fig. 1-5, as an embodiment of the air outlet duct 20, a check valve 24 is provided on the air outlet duct 20.
In particular, the reverse flow of the air flow in the air outlet pipe 20 can be avoided by the check valve 24.
Referring to fig. 1-5, as an embodiment of the feed tube 2, the top end of the feed tube 2 is provided with a feed hopper 25.
In particular, the feeding effect of the feeding tube 2 can be improved by the provision of the feeding hopper 25.
Referring to fig. 1-5, as an embodiment of the screening box 1, a support leg 26 is provided at the bottom end of the screening box 1, and a fixing leg 27 is provided at the bottom end of the support leg 26.
In particular, an overall stable support can be achieved by the arrangement of the support legs 26 and the fixing feet 27.
In summary, the whole device is in use:
The rice materials to be screened are conveyed into the feeding pipe 2 through the feeding hopper 25, the feeding motor 18 is started, the feeding shaft 17 can be controlled to rotate through the feeding motor 18, and the feeding control blade 19 can be controlled to rotate through the feeding shaft 17, so that the rice can be uniformly conveyed into the screening box 1 and fall on the first-stage screen 3;
in the process, the blower 8 is started, under the action of the blower 8, air flow can be blown to fallen rice through the blowing pipe 7, so that dust and shell fragments in the rice can be blown outwards and enter the air outlet pipe 20, and the dust can be conveyed into the dust collection box 22 for collection through the air outlet pipe 20, in the process, the interception of rice particles can be realized through the arrangement of the protective filter screen 21, and the condition that the rice is blown to the air outlet pipe 20 is avoided;
starting a vibration motor 6, driving the primary screen 3 to vibrate through the vibration motor 6, so that the screening effect of the primary screen 3 on rice is improved, rice with the aperture larger than that of the primary screen 3 is intercepted, and the rice is discharged through a corresponding discharge pipe 9;
Then, the rice falling downwards is guided to the top of the secondary screen 4 under the action of the guide plate 23, and the secondary screen 4 is driven to vibrate through the vibration motor 6, so that further screening of the rice is realized, and the intercepted rice is discharged outwards through the corresponding discharge pipe 9;
The rice at the lowest layer falls on the guide slope 5 and is discharged outwards through the corresponding discharging pipe 9;
The first motor 11 is started, the centrifugal impeller 10 can be controlled to rotate through the first motor 11, so that materials discharged from the discharge pipe 9 are discharged outwards in a centrifugal mode, and layering can be generated during discharging due to the fact that stone particles with the same particle size carried in rice are different in weight, and screening of stone fragments in the rice is achieved;
The rice after screening and the chips such as stones can fall on different conveying belts 15 under the action of the centrifugal impeller 10 when the discharging pipe 9 is discharged, the conveying motor 16 is started, the conveying roller 14 can be controlled by the conveying motor 16 to drive the conveying belts 15 to move, and therefore the rice after screening and the chips are separately conveyed, the stacking is avoided, and the conveying of the screened rice and the like is facilitated.
In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, welding, bolt-and-nut-mating connection, bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principle and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents;
In all the above mentioned schemes, the operation of the electric elements is controlled by the controller, and because the matched equipment of the controller is common equipment, the control principle and the circuit connection of the controller belong to the prior known and mature technology, and the electrical connection relation and the specific circuit structure of the controller are not repeated here.
Claims (8)
1. The utility model provides a screening plant for rice processing, includes screening box (1), the top of screening box (1) is provided with inlet pipe (2), characterized by inlet pipe (2) department is provided with feeding control structure, screening box (1) inside slope in proper order from top to bottom is provided with one-level screen cloth (3), second grade screen cloth (4) and direction slope (5), all be provided with vibrating motor (6) on one-level screen cloth (3) and second grade screen cloth (4), one side top of screening box (1) is provided with blowpipe (7), be provided with hair-dryer (8) on blowpipe (7), and cooperation blowpipe (7) are provided with dust collecting structure on another lateral wall, cooperation one-level screen cloth (3), second grade screen cloth (4) and direction slope (5) all are provided with discharging pipe (9) on the lateral wall of screening box (1), all install centrifugal impeller (10) through the bearing rotation in discharging pipe (9) to cooperation centrifugal impeller (10) are provided with first motor (11), screening box (1) are provided with on two sets of at least belt type (12) on the lateral wall, two sets of belt type (12) are provided with on the mounting bracket (12).
2. A screening device for rice processing according to claim 1, wherein the belt conveying structure (13) comprises a conveying roller (14) rotatably mounted on a mounting frame (12), a conveying belt (15) is mounted through the conveying roller (14), and a conveying motor (16) is arranged on the mounting frame (12) in cooperation with the conveying roller (14).
3. A screening device for rice processing according to claim 1, wherein the feeding control structure comprises a feeding shaft (17) rotatably mounted in the feeding pipe (2) through a bearing, a feeding motor (18) is arranged in cooperation with the feeding shaft (17), and a feeding control blade (19) is arranged on the feeding shaft (17).
4. The screening device for rice processing of claim 1, wherein the dust collecting structure comprises an air outlet pipe (20) connected with the screening box body (1), a protective filter screen (21) is arranged at the air inlet end of the air outlet pipe (20), and a dust collecting box (22) is connected to the tail end of the air outlet pipe.
5. A screening apparatus for rice processing according to any one of claims 1 to 4, wherein a deflector (23) is provided between the primary screen (3) and the secondary screen (4) in a reverse inclination.
6. A screening device for rice processing as recited in claim 4, wherein the air outlet pipe (20) is provided with a one-way valve (24).
7. The screening device for rice processing according to claim 1, wherein a feed hopper (25) is arranged at the top end of the feed pipe (2).
8. The screening device for rice processing according to claim 1, wherein the bottom end of the screening box body (1) is provided with supporting legs (26), and the bottom end of the supporting legs (26) is provided with fixing feet (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421225358.XU CN222551408U (en) | 2024-05-31 | 2024-05-31 | A screening device for rice processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421225358.XU CN222551408U (en) | 2024-05-31 | 2024-05-31 | A screening device for rice processing |
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| Publication Number | Publication Date |
|---|---|
| CN222551408U true CN222551408U (en) | 2025-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421225358.XU Active CN222551408U (en) | 2024-05-31 | 2024-05-31 | A screening device for rice processing |
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| Country | Link |
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| CN (1) | CN222551408U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120551066A (en) * | 2025-07-30 | 2025-08-29 | 上犹县为民粮油有限公司 | A dregs auxiliary screening device for organic rice production and processing |
-
2024
- 2024-05-31 CN CN202421225358.XU patent/CN222551408U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120551066A (en) * | 2025-07-30 | 2025-08-29 | 上犹县为民粮油有限公司 | A dregs auxiliary screening device for organic rice production and processing |
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