Raw material screening mechanism for rice processing

By designing a diversion and limiting mechanism, the problem of easy denting of the sieve plate is solved, enabling convenient disassembly and replacement of the sieve plate, extending its service life, and improving the efficiency and maintenance convenience of rice processing equipment.

CN223602827UActive Publication Date: 2025-11-28GUIZHOU GAOFENGSHILIXIANG RICE CO LTD
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Patent Information

Application Number
CN202422894330.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-11-28
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

In existing rice processing equipment, the first screen plate is prone to denting in the middle after long-term use due to the concentrated weight of rice, and it is difficult to disassemble and replace.

Method used

A raw material screening mechanism including a diversion mechanism, a limiting mechanism, and a shaking mechanism was designed. The diversion plate is driven by a motor to divert rice, avoiding concentrated gravity acting on the first screen plate, and the limiting mechanism facilitates the disassembly and replacement of the screen plate.

Benefits of technology

It extends the service life of the screen plate, avoids the central depression of the screen plate, and improves the efficiency and ease of maintenance of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of rice processing, and discloses a raw material screening mechanism for rice processing, which comprises a base, a screening box is arranged between the top ends of a plurality of supporting mechanisms and a shaking mechanism, the top end of the screening box is fixedly connected with a feeding pipe, and the inner side end of the screening box is provided with a screening mechanism for screening rice raw materials. A rectangular groove is formed in the side end of the outer portion of the screening box, a limiting mechanism used for limiting the screening mechanism is arranged in the rectangular groove, and a distributing mechanism used for distributing rice is arranged at the top end of the feeding pipe. And through the arrangement of a box door, a limiting mechanism and a screening mechanism, the first screening plate and the second screening plate can be conveniently pulled out of the screening box, and therefore the first screening plate and the second screening plate can be conveniently detached and replaced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to rice processing technical field, specifically, and relate to a raw material screening mechanism for rice processing. BACKGROUND

[0002] Rice is a finished product made after the rice is cleaned, hulled, milled and finished, and it needs to be screened when it is processed, mainly to screen out broken rice and dust in the rice.

[0003] The existing patent application No. CN202022337422.1 discloses a rice processing and screening equipment, which comprises a base, a sieve box is arranged on the top of the base, support mechanisms are arranged around the bottom of the sieve box, a control panel is fixedly installed on one side of the sieve box, an inlet is fixedly connected to the top of the sieve box, a shaking mechanism is arranged at the bottom of the sieve box, a first sieve plate is fixedly connected to the inner wall of the sieve box above, the utility model has the advantages of compact structure and high practicability, the support mechanism and the shaking mechanism cooperate to better drive the sieve box to move up and down, thereby driving the sieve plate to move, the rice raw materials can be screened step by step through the two sieve plates with different sieve hole sizes, and the screened rice, broken rice and dust can be classified and collected through the three different discharge ports, improving the collection efficiency of the equipment and enabling the staff to fully utilize the rice raw materials, and the gate facilitates better sealing of the side of the sieve box, preventing dust from entering the equipment during daily storage.

[0004] In the above-mentioned scheme, when the rice is put into the first sieve plate from the inlet, the first sieve plate concentrates the weight of the rice, and after long-term use, the middle part of the first sieve plate is prone to concave, and since the above-mentioned sieve plate is difficult to disassemble, the concave damaged sieve plate is difficult to replace, so a raw material screening mechanism for rice processing is needed to solve the above-mentioned problem. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a raw material screening mechanism for rice processing, solving the problem that in the prior art, when the rice is put into the first sieve plate from the inlet, the first sieve plate concentrates the weight of the rice, and after long-term use, the middle part of the first sieve plate is prone to concave, and since the above-mentioned sieve plate is difficult to disassemble, the concave damaged sieve plate is difficult to replace.

[0006] The utility model provides a raw material screening mechanism for rice processing, including the base, a plurality of support mechanisms are installed to the top of base, the top of base is installed swing mechanism, a plurality of support mechanism and the top of swing mechanism are installed and have the sieve box between, the top fixedly connected with the inlet pipe of sieve box, the inside one end of sieve box is equipped with the screening mechanism for rice raw material screening, the outside one end of sieve box is equipped with the rectangular groove, the inside of rectangular groove is equipped with the limiting mechanism for limiting screening mechanism, the top of inlet pipe is equipped with the shunt mechanism for shunting rice.

[0007] As the preferred of above technical scheme, the screening mechanism includes first sieve plate and second sieve plate, the side end of first sieve plate and second sieve plate are fixedly connected with sliding block, each sliding block is slidingly connected to the inner wall of sieve box.

[0008] As the preferred of above technical scheme, the side end of first sieve plate and second sieve plate are fixedly connected with rectangular block, each rectangular block is inserted to the outside one end of sieve box, the side end of each rectangular block is equipped with insertion hole.

[0009] As the preferred of above technical scheme, the limiting mechanism includes fixed link, the fixed link is fixedly connected between the two side ends in the inside of rectangular groove, the outer end of fixed link is equipped with spring, the outer end of fixed link is equipped with sleeve plate, one end of spring is fixedly connected to the inside one end of rectangular groove, the other end of spring is fixedly connected to the side end of sleeve plate, the side end of sleeve plate is fixedly connected with extension plate, the side end of extension plate is fixedly connected with push plate, the side end of extension plate is fixedly connected with a plurality of insertion rods.

[0010] As the preferred of above technical scheme, each insertion rod is matched with each insertion hole.

[0011] As the preferred of above technical scheme, the shunt mechanism includes support, the support is fixedly connected to the top of inlet pipe, the bottom of support is fixedly connected with protection shell, the inside of protection shell is installed with motor, the output of motor is installed with rotating rod, the rotating rod is inserted to the outside bottom of protection shell, the bottom of rotating rod extends to the inside of sieve box, the bottom of rotating rod is fixedly connected with the shunt plate of conical arrangement.

[0012] As the preferred of above technical scheme, the side end of sieve box is equipped with a plurality of discharge ports, the side end of each discharge port is rotatably provided with door, the side end of sieve box is installed with box door.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The utility model discloses a split flow mechanism's setting, after starting motor, motor drives the rotation of rotary lever and split flow board, because the setting can protect the motor of protective housing, avoid rice and dust into the motor, then after rice is put into the inlet pipe, because the rotation of split flow board, can shunt rice and fall to the top of first sieve plate, at this moment, can avoid the concentrated gravity of rice and fall to the top of first sieve plate, thereby improve the service life of first sieve plate, make first sieve plate not prone to the situation of middle recess, through the setting of box door, limiting mechanism and screening mechanism, when first sieve plate and second sieve plate use long time, need to replace, through pulling the lever, make the lever drive extension plate and sleeve plate move to right, at this moment, sleeve plate presses spring and contracts, at this moment, extension plate can make every insertion rod leave every insertion hole after moving, at this moment, two insertion rods no longer limit rectangular block, through the opening of box door, can conveniently pull out first sieve plate and second sieve plate from sieve box, thereby convenient to first sieve plate and second sieve plate dismount and replace. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a raw material screening mechanism sectional view structure schematic view of rice processing;

[0016] Figure 2 It is a rear view structure schematic view of raw material screening mechanism of rice processing;

[0017] Figure 3 It is Figure 2 It is the local enlarged structure schematic view of A;

[0018] Figure 4 It is Figure 2 It is the local enlarged structure schematic view of B.

[0019] In the drawing: 1, base;101, support mechanism;102, swing mechanism;2, sieve box;201, inlet pipe;202, box door;203, discharge port;204, door;205, rectangular groove;3, screening mechanism;301, first sieve plate;302, second sieve plate;303, sliding block;304, rectangular block;305, insertion hole;4, limiting mechanism;401, fixed rod;402, spring;403, sleeve plate;404, extension plate;405, lever;406, insertion rod;5, split flow mechanism;501, support;502, protective housing;503, motor;504, rotary lever;505, split flow board. DETAILED DESCRIPTION

[0020] The technical scheme in the utility model embodiment will be described clearly and completely below with reference to the drawings in the utility model embodiments.

[0021] As Figures 1-4As shown, the utility model provides a technical scheme: a raw material screening mechanism for rice processing, including base 1, the top of base 1 is installed with several support mechanisms 101, the top of base 1 is installed with shaking mechanism 102, the top between several support mechanisms 101 and shaking mechanism 102 is installed with sieve box 2, through the cooperation of shaking mechanism 102 and support mechanism 101, can drive sieve box 2 moves up and down, to facilitate the screening processing of rice, support mechanism 101 and shaking mechanism 102 are prior art, specific implementation does not make too much repetition here, the top of sieve box 2 is fixedly connected with inlet pipe 201, inlet pipe 201 facilitates the feeding of rice into sieve box 2, the inside end of sieve box 2 is equipped with screening mechanism 3 for rice raw material screening, the side end of sieve box 2 is provided with several discharge ports 203, the side end of each discharge port 203 is rotatably provided with door 204, opening door 204, discharge port 203 can facilitate the discharge of rice, broken rice and dust, the side end of sieve box 2 is installed with box door 202, opening box door 202 can facilitate the disassembly and replacement of screening mechanism 3, the outside side end of sieve box 2 is provided with rectangular groove 205, the inside of rectangular groove 205 is equipped with limiting mechanism 4 for limiting screening mechanism 3, through limiting mechanism 4, screening mechanism 3 can be conveniently installed or disassembled, so that screening mechanism 3 is conveniently disassembled and replaced, the top of inlet pipe 201 is provided with shunt mechanism 5 for shunting rice, shunt mechanism 5 can avoid the concentration of rice gravity falling on the top of screening mechanism 3, thereby improving the service life of screening mechanism 3, so that screening mechanism 3 is not prone to central depression.

[0022] As one embodiment in the present embodiment, as shown in Figure 1 、 Figure 2 and Figure 4 , the screening mechanism 3 includes a first sieve plate 301 and a second sieve plate 302, the side end of the first sieve plate 301 and the side end of the second sieve plate 302 are fixedly connected with a sliding block 303, each sliding block 303 is slidingly connected to the inner wall of the sieve box 2, the side end of the first sieve plate 301 and the side end of the second sieve plate 302 are fixedly connected with a rectangular block 304, each rectangular block 304 is inserted to the outside side end of the sieve box 2, the side end of each rectangular block 304 is provided with a insertion hole 305, in the implementation, through the cooperation of the shaking mechanism 102 and the support mechanism 101, the sieve box 2 can be moved up and down, thereby facilitating the screening of the rice by the first sieve plate 301, so that the broken rice and dust fall on the second sieve plate 302, the second sieve plate 302 can screen the dust, so that the dust falls to the lowest end of the sieve box 2, at this time, the screening processing of the rice raw material is completed, by opening each door 204, the screened rice can be sequentially discharged.

[0023] As one embodiment in the present embodiment, as shown in Figure 2 、 Figure 3 and Figure 4As shown, the limiting mechanism 4 comprises a fixed rod 401 fixedly connected between the two side ends inside the rectangular groove 205, a spring 402 sleeved on the outer end of the fixed rod 401, a sleeve plate 403 sleeved on the outer end of the fixed rod 401, one end of the spring 402 fixedly connected to the inner side end of the rectangular groove 205, the other end of the spring 402 fixedly connected to the side end of the sleeve plate 403, the side end of the sleeve plate 403 fixedly connected with an extension plate 404, the side end of the extension plate 404 fixedly connected with a push plate 405, the side end of the extension plate 404 fixedly connected with a plurality of insertion rods 406, each insertion rod 406 matched with each insertion hole 305, in implementation, when the first sieve plate 301 and the second sieve plate 302 are used for a long time and need to be replaced, the push plate 405 is pulled to drive the extension plate 404 and the sleeve plate 403 to move to the right, at this time the sleeve plate 403 presses the spring 402 to shrink, at this time the extension plate 404 moves to make each insertion rod 406 leave each insertion hole 305, at this time the two insertion rods 406 no longer limit the rectangular block 304, after the box door 202 is opened, the first sieve plate 301 and the second sieve plate 302 can be easily pulled out of the sieve box 2, thereby facilitating the disassembly and replacement of the first sieve plate 301 and the second sieve plate 302.

[0024] As an embodiment in the present embodiment, as shown in Figure 1 and Figure 2 As shown, the shunting mechanism 5 comprises a support 501 fixedly connected to the top end of the feeding pipe 201, a protective shell 502 fixedly connected to the bottom end of the support 501, a motor 503 installed inside the protective shell 502, a rotating rod 504 installed on the output end of the motor 503, the rotating rod 504 inserted to the outside bottom end of the protective shell 502, the bottom end of the rotating rod 504 extending to the inside of the sieve box 2, a tapered shunt plate 505 fixedly connected to the bottom end of the rotating rod 504, in implementation, after starting the motor 503, the motor 503 drives the rotating rod 504 and the shunt plate 505 to rotate, due to the protection of the protective shell 502, the motor 503 is protected from rice and dust, then after the rice is put into the feeding pipe 201, due to the rotation of the shunt plate 505, the rice is shunted and falls to the top end of the first sieve plate 301, at this time the concentrated gravity of the rice falling to the top end of the first sieve plate 301 is avoided, thereby improving the service life of the first sieve plate 301 and preventing the first sieve plate 301 from being easily depressed in the middle.

[0025] Working principle: through starting motor 503, motor 503 drives rotating rod 504 and shunt plate 505 to rotate, due to the setting of protective shell 502, motor 503 can be protected, avoid rice and dust into motor 503, then put rice into inlet pipe 201, due to the rotation of shunt plate 505, rice can be shunted and fall to the top end of first sieve plate 301, at this time, the concentrated gravity of rice can be avoided to fall to the top end of first sieve plate 301, so as to improve the service life of first sieve plate 301, so that first sieve plate 301 is not prone to middle depression, at this time, through the cooperation of shaking mechanism 102 and supporting mechanism 101, sieve box 2 can be driven to move up and down, so as to facilitate first sieve plate 301 to sieve and screen rice, so that broken rice and dust fall on second sieve plate 302, second sieve plate 302 can screen dust, so that dust falls to the lowest end of sieve box 2, at this time, the screening and processing of rice raw materials are completed, by opening each door 204, the screened rice can be discharged in turn.

[0026] When first sieve plate 301 and second sieve plate 302 are used for a long time and need to be replaced, pull the lever 405, so that the lever 405 drives the extension plate 404 and the sleeve plate 403 to move to the right, at this time, the sleeve plate 403 presses the spring 402 to shrink, at this time, the extension plate 404 moves to make each insertion rod 406 leave each insertion hole 305, at this time, the two insertion rods 406 no longer limit the rectangular block 304, by opening the box door 202, first sieve plate 301 and second sieve plate 302 can be pulled out from sieve box 2, so as to facilitate the disassembly and replacement of first sieve plate 301 and second sieve plate 302.

[0027] The above examples are only used to illustrate the technical scheme of the utility model, not to limit it.

Claims

1. A raw material screening mechanism for rice processing, comprising a base (1), wherein a plurality of support mechanisms (101) are mounted on the top of the base (1), a shaking mechanism (102) is mounted on the top of the base (1), a screen box (2) is installed between the tops of the plurality of support mechanisms (101) and the shaking mechanism (102), and a feed pipe (201) is fixedly connected to the top of the screen box (2), characterized in that: The inner side end of the sieve box (2) is provided with a screening mechanism (3) for screening rice raw materials, the outer side end of the sieve box (2) is provided with a rectangular groove (205), the inside of the rectangular groove (205) is provided with a limiting mechanism (4) for limiting the screening mechanism (3), and the top end of the feeding pipe (201) is provided with a shunt mechanism (5) for shunting rice.

2. A raw material screening mechanism for rice processing according to claim 1, characterized in that: The screening mechanism (3) comprises a first sieve plate (301) and a second sieve plate (302), the side end of the first sieve plate (301) and the side end of the second sieve plate (302) are fixedly connected with a sliding block (303), and each sliding block (303) is slidingly connected to the inner wall of the sieve box (2).

3. The raw material screening mechanism for rice processing according to claim 2, characterized in that: The side end of the first sieve plate (301) and the side end of the second sieve plate (302) are fixedly connected with a rectangular block (304), each rectangular block (304) is inserted into the outer side end of the sieve box (2), and the side end of each rectangular block (304) is provided with a insertion hole (305).

4. The raw material screening mechanism for rice processing according to claim 3, characterized in that: The limiting mechanism (4) comprises a fixed rod (401), the fixed rod (401) is fixedly connected between the two side ends in the rectangular groove (205), a spring (402) is sleeved on the outer end of the fixed rod (401), a sleeve plate (403) is sleeved on the outer end of the fixed rod (401), one end of the spring (402) is fixedly connected to the inner side end of the rectangular groove (205), the other end of the spring (402) is fixedly connected to the side end of the sleeve plate (403), the side end of the sleeve plate (403) is fixedly connected with an extension plate (404), the side end of the extension plate (404) is fixedly connected with a push plate (405), and the side end of the extension plate (404) is fixedly connected with a plurality of insertion rods (406).

5. The raw material screening mechanism for rice processing according to claim 4, characterized in that: Each insertion rod (406) is matched with each insertion hole (305).

6. The raw material screening mechanism for rice processing according to claim 1, characterized in that: The shunt mechanism (5) comprises a support (501), the support (501) is fixedly connected to the top end of the feeding pipe (201), the bottom end of the support (501) is fixedly connected with a protection shell (502), the inside of the protection shell (502) is installed with a motor (503), the output end of the motor (503) is installed with a rotating rod (504), the rotating rod (504) is inserted into the outer bottom end of the protection shell (502), the bottom end of the rotating rod (504) extends into the sieve box (2), and the bottom end of the rotating rod (504) is fixedly connected with a tapered shunt plate (505).

7. The raw material screening mechanism for rice processing according to claim 1, characterized in that: The side end of the sieve box (2) is provided with a plurality of discharge ports (203), the side end of each discharge port (203) is rotatably provided with a door (204), and the side end of the sieve box (2) is installed with a box door (202).

Citation Information

Patent Citations

  • Rice processing and screening equipment

    CN214021930U