Rice grain screening device of rice husking machine

Abstract

The utility model relates to the field of rice grain screening, and discloses a rice grain screening device of a rice husking machine, which comprises a rice grain screening box provided with a screening and discharging mechanism; the screening and discharging mechanism comprises an air cylinder, a screening frame, a screening plate, a sleeve plate, a plugging plate, an electric telescopic rod, a limiting plate, a transverse plate, an iron plate and an electromagnet, the air cylinder is fixedly installed on the rice grain screening box, the output end of the air cylinder is fixedly connected with the screening frame, the screening plate is fixedly installed in the screening frame, and the sleeve plate is fixedly connected with the plugging plate and the transverse plate. The electric telescopic rod is fixedly installed on the screening frame, the telescopic end of the electric telescopic rod is fixedly connected with the limiting plate, the limiting plate and the sleeve plate are clamped, the iron plate is fixedly connected with the side face of the transverse plate, and the electromagnet is embedded in the rice grain screening box. The automatic blanking device has the following advantages and effects that blanking treatment can be automatically carried out, manual blanking is not needed, and the working intensity is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of rice grain screening, in particular to a rice grain screening device of a rice mill. Background Art

[0002] Rice is a finished product made from paddy rice after processes such as cleaning, husking, milling, and finishing. Rice contains nearly 64% of the nutrients in rice and more than 90% of the nutrients needed by the human body. It is also the staple food for people in most parts of China. Rice mills are often used in the rice production process. In order to ensure the use of rice mills, rice grains are generally screened, which requires the use of rice grain screening mechanisms.

[0003] The prior art publication number CN217491647U discloses a rice grain screening mechanism for a rice mill, comprising a box body and a screening frame, wherein a feed hopper is arranged on the inner top wall of the box body, guide plates are arranged on the left and right sides of the inner wall of the box body, a guide assembly is arranged inside the box body, and the screening frame is arranged on the top of the guide assembly.

[0004] When it is in use, the rice is screened by moving the screening frame back and forth left and right. However, after the rice is screened, the rice in the screening frame needs to be taken out manually. The screened rice cannot be taken out automatically, which increases the work intensity. Therefore, it is necessary to design a rice grain screening device for a rice mill to solve the above problem.

[0005] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to a person skilled in the art. Utility Model Content

[0006] The utility model aims to provide a rice grain screening device for a rice milling machine to solve the above problems.

[0007] The above technical purpose of the utility model is achieved through the following technical solutions: a rice grain screening device for a rice mill, comprising:

[0008] A rice grain screening box, wherein the rice grain screening box is provided with a screening and unloading mechanism;

[0009] The screening and unloading mechanism includes a cylinder, a screening frame, a sieve plate, a sleeve plate, a blocking plate, an electric telescopic rod, a limit plate, a cross plate, an iron plate and an electromagnet. The cylinder is fixedly installed on the rice grain screening box, the cylinder output end is fixedly connected to the screening frame, the sieve plate is fixedly installed in the screening frame, the sleeve plate is fixedly connected to the blocking plate and the cross plate, the electric telescopic rod is fixedly installed on the screening frame, the telescopic end of the electric telescopic rod is fixedly connected to the limit plate, the limit plate is clamped with the sleeve plate, the iron plate is fixedly connected to the side of the cross plate, and the electromagnet is embedded in the rice grain screening box.

[0010] The utility model is further configured as follows: a movable plate is fixedly arranged on the side of the screening frame, a movable hole is opened on the side of the rice grain screening box, the movable plate is slidably installed in the movable hole, and the sleeve plate is slidably sleeved on the outer side of the movable plate.

[0011] The utility model is further configured as follows: two movable plates 2 are fixedly arranged on the side of the screening frame, two movable holes 2 are opened on the side of the rice grain screening box, and the movable plates 2 are slidably installed in the movable holes 2.

[0012] By adopting the above technical solution, the screening frame can be moved stably in the lateral direction.

[0013] The utility model is further configured as follows: a rice milling machine feeding pipe is fixedly arranged on the top of the rice grain screening box.

[0014] The utility model is further configured as follows: a blocking hole is opened on the side of the screening frame, and the blocking plate is clamped with the blocking hole.

[0015] By adopting the above technical solution, the blocking hole can be blocked.

[0016] The utility model is further configured as follows: a limiting groove is provided on the top of the sleeve plate, and the limiting plate is clamped with the limiting groove.

[0017] By adopting the above technical solution, the sleeve plate can be limited.

[0018] The utility model is further configured as follows: a transverse hole is opened on the side of the rice grain screening box, a transverse plate is slidably installed on the transverse hole, and the side of the iron plate is in contact with the rice grain screening box and the electromagnet.

[0019] The utility model is further configured as follows: the sieve plate is arranged tilted, and a feeding hole is provided on the side of the rice grain screening box.

[0020] By adopting the technical solution, it is convenient to process the rice grains.

[0021] The utility model is further configured as follows: a box door is installed at the front side of the rice grain screening box.

[0022] The utility model is further configured as follows: a control panel is installed on the box door.

[0023] The beneficial effects of the utility model are:

[0024] 1. The utility model sets a screening and unloading mechanism, starts the cylinder, and can make the screening frame drive the screen plate to move back and forth horizontally to screen the rice grains. In this process, the moving plate 1, the sleeve plate, the electric telescopic rod, the limit plate, the blocking plate, the horizontal plate and the iron plate can move synchronously with the screening frame;

[0025] 2. The utility model sets up a screening and unloading mechanism. After the screening is completed, the electric telescopic rod and the electromagnet are started to move the limit plate out of the limit groove, and the iron plate is adsorbed by the electromagnet. Then the cylinder is started to move the screening frame to the right, so that the blocking plate is moved out of the blocking hole. At this time, the screened rice grains can be unloaded through the blocking hole, and the unloading process can be automatically performed without manual unloading, thereby reducing the work intensity. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0027] Figure 1 and Figure 2 The utility model is a three-dimensional structural schematic diagram of a rice grain screening device of a rice milling machine.

[0028] Figure 3 The utility model is a schematic cross-sectional structure diagram of a rice grain screening device of a rice milling machine.

[0029] Figure 4 yes Figure 3 Schematic diagram of the structure of part A in .

[0030] In the figure, 1. rice grain screening box; 2. rice mill feed pipe; 3. cylinder; 4. screening frame; 5. sieve plate; 6. movable plate 1; 7. sleeve plate; 8. blocking plate; 9. blocking hole; 10. electric telescopic rod; 11. limit plate; 12. limit groove; 13. horizontal plate; 14. iron plate; 15. electromagnet; 16. feed hole; 17. movable plate 2. DETAILED DESCRIPTION

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0032] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The utility model provides a rice grain screening device for a rice mill, comprising:

[0034] The rice grain screening box 1 is provided with a screening and unloading mechanism. It should be noted that the rice grains are screened by the screening and unloading mechanism, and the screened rice grains are automatically unloaded;

[0035] The screening and unloading mechanism includes a cylinder 3, a screening frame 4, a sieve plate 5, a sleeve plate 7, a blocking plate 8, an electric telescopic rod 10, a limit plate 11, a transverse plate 13, an iron plate 14 and an electromagnet 15. The cylinder 3 is fixedly installed on the rice grain screening box 1, the output end of the cylinder 3 is fixedly connected to the screening frame 4, the sieve plate 5 is fixedly installed in the screening frame 4, the sleeve plate 7 is fixedly connected to the blocking plate 8 and the transverse plate 13, the electric telescopic rod 10 is fixedly installed on the screening frame 4, the telescopic end of the electric telescopic rod 10 is fixedly connected to the limit plate 11, the limit plate 11 is clamped with the sleeve plate 7, the iron plate 14 is fixedly connected to the side of the transverse plate 13, and the electromagnet 15 is embedded in the rice grain screening box 1.

[0036] Through the above-mentioned screening and unloading mechanism, the cylinder 3 is started, and the cylinder 3 drives the screening frame 4 to move back and forth horizontally, so that the rice grains can be screened through the screen plate 5. After the rice grains are screened, the electric telescopic rod 10 and the electromagnet 15 are started, so that the limit plate 11 moves out of the limit groove 12. The electromagnet 15 can adsorb the iron plate 14 when started, and then the cylinder 3 is started, and the cylinder 3 drives the screening frame 4 to move, so that the screening frame 4 moves to the right. At this time, the positions of the iron plate 14, the horizontal plate 13, the sleeve plate 7 and the blocking plate 8 are fixed, so the blocking plate 8 can be moved out of the blocking hole 9. At this time, the rice grains in the screening frame 4 can fall through the blocking hole 9 and are automatically unloaded.

[0037] Specifically, a movable plate 6 is fixedly provided on the side of the screening frame 4, a movable hole 1 is opened on the side of the rice grain screening box 1, the movable plate 6 is slidably installed in the movable hole 1, the sleeve plate 7 is slidably sleeved on the outside of the movable plate 6, two movable plates 2 17 are fixedly provided on the side of the screening frame 4, two movable holes 2 are opened on the side of the rice grain screening box 1, and the movable plate 2 17 is slidably installed in the movable hole 2, which can improve the stability of the screening frame 4 during lateral movement.

[0038] Specifically, a rice milling machine feed pipe 2 is fixedly arranged on the top of the rice grain screening box 1 , and the top end of the rice milling machine feed pipe 2 is connected to the rice milling machine, and the rice grains fall into the screening frame 4 through the rice milling machine feed pipe 2 .

[0039] Specifically, a blocking hole 9 is opened on the side of the screening frame 4 , and a blocking plate 8 is clamped with the blocking hole 9 to block the blocking hole 9 .

[0040] Specifically, a limiting groove 12 is provided on the top of the sleeve plate 7 , and the limiting plate 11 is clamped with the limiting groove 12 , so that the sleeve plate 7 can be limited.

[0041] Specifically, a transverse hole is opened on the side of the rice grain screening box 1, and the transverse plate 13 is slidably installed on the transverse hole. The side of the iron plate 14 contacts the rice grain screening box 1 and the electromagnet 15, so that the transverse plate 13 can move stably in the transverse direction.

[0042] Specifically, the sieve plate 5 is tilted, and a discharge hole 16 is provided on the side of the rice grain screening box 1 . The tilted sieve plate 5 facilitates drainage of the screened rice grains and facilitates the rice grains to fall from the blocking holes 9 .

[0043] Specifically, a box door is installed at the front side of the rice grain screening box 1, and a control panel is installed on the box door. The cylinder 3, the electric telescopic rod 10 and the electromagnet 15 are controlled by the control panel.

[0044] Working principle:

[0045] S1: Figure 3As shown, the cylinder 3 is started, and the cylinder 3 drives the screening frame 4 to move back and forth in the horizontal direction. The screening frame 4 first moves to the left and then to the right. The rice grains enter the screening frame 4 through the rice milling machine feeding pipe 2, so that the rice grains can be screened through the sieve plate 5;

[0046] S2: After the rice grains are screened, the electric telescopic rod 10 and the electromagnet 15 are started. The electric telescopic rod 10 drives the limit plate 11 to move so that the limit plate 11 moves out of the limit groove 12. The electromagnet 15 can adsorb the iron plate 14 when started, and then the cylinder 3 is started. The cylinder 3 drives the screening frame 4 to move so that the screening frame 4 moves to the right. At this time, the positions of the iron plate 14, the cross plate 13, the sleeve plate 7 and the blocking plate 8 are fixed, so the blocking plate 8 can be moved out of the blocking hole 9. At this time, the rice grains in the screening frame 4 can fall through the blocking hole 9 and are automatically unloaded. After unloading is completed, the blocking plate 8 can block the blocking hole 9, and the electromagnet 15 is turned off. At the same time, the electric telescopic rod 10 is started so that the limit plate 11 is inserted into the limit groove 12, and then the rice grains are screened.

[0047] The above is a detailed introduction to a rice grain screening device for a rice mill provided by the utility model. This article uses specific embodiments to illustrate the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A rice grain screening device for a rice mill, characterized in that: include: A rice grain screening box (1), wherein the rice grain screening box (1) is provided with a screening and feeding mechanism; The screening and unloading mechanism comprises a cylinder (3), a screening frame (4), a sieve plate (5), a sleeve plate (7), a blocking plate (8), an electric telescopic rod (10), a limit plate (11), a transverse plate (13), an iron plate (14) and an electromagnet (15). The cylinder (3) is fixedly mounted on a rice grain screening box (1), an output end of the cylinder (3) is fixedly connected to the screening frame (4), the sieve plate (5) is fixedly mounted in the screening frame (4), the sleeve plate (7) is fixedly connected to the blocking plate (8) and the transverse plate (13), the electric telescopic rod (10) is fixedly mounted on the screening frame (4), the telescopic end of the electric telescopic rod (10) is fixedly connected to the limit plate (11), the limit plate (11) is clamped with the sleeve plate (7), the iron plate (14) is fixedly connected to the side of the transverse plate (13), and the electromagnet (15) is embedded in the rice grain screening box (1).

2. The rice grain screening device of a rice mill according to claim 1, characterized in that: A movable plate (6) is fixedly arranged on the side of the screening frame (4), a movable hole (1) is opened on the side of the rice grain screening box (1), the movable plate (6) is slidably installed in the movable hole (1), and the sleeve plate (7) is slidably sleeved on the outer side of the movable plate (6).

3. The rice grain screening device for a rice mill according to claim 1, characterized in that: The side of the screening frame (4) is fixedly provided with two movable plates (17), and the side of the rice grain screening box (1) is provided with two movable holes (2), and the movable plates (17) are slidably installed in the movable holes (2).

4. The rice grain screening device for a rice mill according to claim 1, characterized in that: A rice milling machine feed pipe (2) is fixedly arranged on the top of the rice grain screening box (1).

5. The rice grain screening device for a rice mill according to claim 1, characterized in that: A blocking hole (9) is provided on the side of the screening frame (4), and the blocking plate (8) is clamped with the blocking hole (9).

6. The rice grain screening device for a rice mill according to claim 1, characterized in that: A limiting groove (12) is provided on the top of the sleeve plate (7), and the limiting plate (11) is clamped with the limiting groove (12).

7. The rice grain screening device for a rice mill according to claim 1, characterized in that: The rice grain screening box (1) has a transverse hole on its side, a transverse plate (13) is slidably mounted on the transverse hole, and a side of the iron plate (14) is in contact with the rice grain screening box (1) and the electromagnet (15).

8. The rice grain screening device for a rice mill according to claim 1, characterized in that: The sieve plate (5) is arranged obliquely, and a feeding hole (16) is provided on the side of the rice grain screening box (1).

9. The rice grain screening device for a rice mill according to claim 1, characterized in that: The rice grain screening box (1) is provided with a box door at the front side.

10. The rice grain screening device of a rice mill according to claim 9, characterized in that: A control panel is installed on the box door.

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