Rice huller

Abstract

The utility model discloses a rice huller which comprises a shell, a feeding port is fixedly installed on the top face of the shell, a dustproof assembly is installed in the feeding port, two cylinders are rotationally connected into the shell, rubber rollers are detachably installed on the two cylinders, a driving source is fixedly installed on the back vertical face of the shell, and the driving source is connected with the driving source. And the output end of the driving source is connected with the cylinder, and a discharging opening is fixedly formed in the surface of one side of the shell. According to the rubber roller fixing device, the rotating column is arranged, the rotating column is rotated clockwise, the rotating column drives the ejector rods to rotate clockwise and push the inclined blocks to move, the inclined blocks move to compress and deform the reset springs and enable the positioning rods to be inserted into the positioning grooves, and therefore the rubber roller is fixed to the outer side of the cylinder; on the contrary, the rubber roller can be released, the rubber roller can be disassembled from the cylinder, the rubber roller can be disassembled, assembled, maintained and replaced easily, operation is easy and convenient, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial processing, in particular to a rice huller. Background Technique

[0002] A rice huller is a grain processing machine that removes the glumes of paddy rice to produce brown rice. It can remove the outer shell of paddy rice, reduce the breakage of rice grains and damage to the epidermis, and keep the brown rice as intact as possible. Its structure mainly consists of a hopper feeding device, a machine head device, a husk separation chamber, a gearbox, and a frame, etc. Among rice hullers, the rubber roll rice huller is widely used. Its main working components are a pair of horizontal rubber roll cylinders with a rubber layer bonded or sleeved on cast iron cylinders. The axes of the two rolls are in the same horizontal plane or have a slight height difference, and they rotate towards each other at different speeds. The position of one roll is fixed, and the other roll can move, so that the rolling distance between the two rolls is adjustable. Paddy rice is evenly fed between the two rolls along the entire length of the rubber rolls through a chute plate. The equal-diameter roll cylinders rotate in reverse at different linear speeds. Due to the pressure of the weight, the paddy rice passing between the rolls is subjected to extrusion and rubbing. Due to the extrusion of the two rolls and the rubbing effect caused by the speed difference between the two rolls, most of the paddy rice reaches the purpose of shelling, enters the husk separation device, and then the rice husks are sucked away through the air inlet at a wind speed of 4 - 5 m / s. The rubber roll rice huller has a high shelling rate, a smooth surface of brown rice, and few broken rice grains, and has become a widely used rice hulling equipment.

[0003] The existing technology has the following problems:

[0004] After a large number of searches, it is found that the patent document with the application number CN202123048133.0 discloses a rice huller. The above patent still has problems during actual use. More obviously, high temperature and long-term work during use will cause wear and tear on the rubber roll cylinders. It is difficult to disassemble, maintain, and replace the worn rubber roll cylinders, and the worn rubber roll cylinders will affect the shelling effect and efficiency of paddy rice.

[0005] Therefore, we propose a rice huller to solve the above disadvantages. Content of the Utility Model

[0006] The purpose of the utility model is to provide a rice huller to solve the deficiencies existing in the prior art.

[0007] To achieve the above object, the utility model adopts the following technical solutions: a rice huller, including a housing, a feed inlet is fixedly installed on the top surface of the housing, and a dust-proof component is installed inside the feed inlet. Two cylinders are rotatably connected inside the housing, and rubber roller drums are detachably installed on the two cylinders. A driving source is fixedly installed on the back surface of the housing, and the output end of the driving source is connected to the cylinder. A discharge port is fixedly installed on one side surface of the housing, and a control panel is installed on the other side surface of the housing. A bracket is fixedly connected inside the cylinder, a rotating column is threadedly connected to the bracket, and a top rod is welded to the outer wall of the rotating column. A positioning groove is formed in the inner wall of the rubber roller drum, and a positioning rod is inserted into the positioning groove. One end of the positioning rod extends to the inner side of the cylinder and is provided with an inclined block, and a return spring is sleeved on the outer side of the positioning rod between the inclined block and the cylinder. A maintenance plate is detachably installed on one side surface of the housing corresponding to the positions of the two cylinders;

[0008] The dust-proof component includes a hinge, a dust-proof plate and a torsion spring. The dust-proof plate is hinged to the inner wall of the feed inlet through the hinge, and a torsion spring is installed between the bottom surface of the dust-proof plate and the inner wall of the feed inlet.

[0009] Preferably, one end of the top rod is used in cooperation with the inclined block.

[0010] Preferably, the length of the inclined surface of the inclined block is less than the length of the cylinder.

[0011] Preferably, a plurality of positioning rods and top rods are provided, and the number of the plurality of positioning rods and top rods is the same.

[0012] Preferably, the control panel is electrically connected to the driving source through a wire.

[0013] Preferably, the end of the top rod close to the inclined block is arc-shaped, and the length of the top rod is greater than the depth of the positioning groove.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. In the utility model, by setting the rotating column, rotating the rotating column clockwise, the rotating column drives a plurality of top rods to rotate clockwise and push a plurality of inclined blocks to move. The plurality of inclined blocks move to compress and deform the return spring and make the positioning rod inserted into the positioning groove, so that the rubber roller drum is fixed on the outside of the cylinder. On the contrary, the rubber roller drum can be released, and the rubber roller drum can be disassembled from the cylinder, which is beneficial to the disassembly, assembly, maintenance and replacement of the rubber roller drum, and the operation is simple and convenient, saving time and effort.

[0016] 2. In the present utility model, by providing a dust-proof component, it can play a role in dust prevention during use, avoid the problem of dust flying and spreading everywhere through the feeding port, reduce the pollution to the surrounding working environment, and mitigate the harm to the health of the staff. It has strong practicability and is worthy of promotion. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 1 External structural schematic diagram of the rice huller proposed by the present utility model;

[0019] Figure 2 Cross-sectional view of the rice huller proposed by the present utility model;

[0020] Figure 3 Rear view of the rice huller proposed by the present utility model;

[0021] Figure 4 Connection schematic diagram of the rubber roller and the cylinder;

[0022] Figure 5 Structural schematic diagram of the cylinder and the bracket.

[0023] LEGEND DESCRIPTION:

[0024] 1. Housing; 2. Feeding port; 3. Cylinder; 4. Rubber roller; 5. Driving source; 6. Discharge port; 7. Control panel; 8. Maintenance panel; 9. Dust-proof component; 91. Hinge; 92. Dust-proof plate; 93. Torsion spring; 10. Positioning groove; 11. Positioning rod; 12. Inclined block; 13. Return spring; 14. Bracket; 15. Rotating column; 16. Thrust rod. SPECIFIC EMBODIMENTS

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0026] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It 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. Therefore, it should not be construed as a limitation to the present utility model; the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and defined, the terms "installed", "connected", "connected" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0027] Please refer to Figures 1-5 , the rice huller, including a housing 1, a feed inlet 2 is fixedly installed on the top surface of the housing 1, and a dust-proof component 9 is installed inside the feed inlet 2. Two cylinders 3 are rotatably connected inside the housing 1, and rubber roller cylinders 4 are detachably installed on the two cylinders 3. A drive source 5 is fixedly installed on the back surface of the housing 1, and the output end of the drive source 5 is connected to the cylinder 3. A discharge port 6 is fixedly installed on one side surface of the housing 1, and a control panel 7 is installed on the other side surface of the housing 1. A bracket 14 is fixedly connected inside the cylinder 3, and a rotating column 15 is threadedly connected to the bracket 14. And a top rod 16 is welded on the outer wall of the rotating column 15. A positioning groove 10 is formed on the inner wall of the rubber roller cylinder 4, and a positioning rod 11 is inserted into the positioning groove 10. One end of the positioning rod 11 extends to the inner side of the cylinder 3 and is provided with an inclined block 12. And a return spring 13 is sleeved on the outer side of the positioning rod 11 between the inclined block 12 and the cylinder 3. An inspection plate 8 is detachably installed on one side surface of the housing 1 corresponding to the positions of the two cylinders 3;

[0028] The dust-proof component 9 includes a hinge 91, a dust-proof plate 92 and a torsion spring 93. The dust-proof plate 92 is hinged to the inner wall of the feed inlet 2 through the hinge 91, and a torsion spring 93 is installed between the bottom surface of the dust-proof plate 92 and the inner wall of the feed inlet 2.

[0029] During use, paddy is added into the feed inlet 2. The paddy is evenly fed between the two cylinders 3 along the full length of the rubber rollers through the chute plate. The equal-diameter cylinders 3 rotate reversely at different linear speeds under the drive of the drive source 5. Under the pressure of the pressing weight, the paddy passing through the rollers is subjected to extrusion and rubbing. Due to the extrusion of the two cylinders 3 and the rubbing action generated by the speed difference between the two cylinders 3, most of the paddy reaches the purpose of hulling and enters the husk separation device. Then, the rice husks are sucked away through the air suction port at a wind speed of 4 - 5 m / s (not shown in the figure). During the hulling process, the dust-proof component 9 can play a role in dust prevention during use, avoiding the problem of dust flying and spreading everywhere through the feed inlet 2, reducing the pollution to the surrounding environment during operation, and reducing the harm to the health of the staff. It has strong practicability and is worthy of promotion. Among them, rotate the rotating column 15 clockwise. The rotating column 15 drives a plurality of ejector rods 16 to rotate clockwise and push a plurality of inclined blocks 12 to move. The movement of the plurality of inclined blocks 12 compresses and deforms the return spring 13 and makes the positioning rod 11 inserted into the positioning groove 10, so as to fix the rubber roller 4 on the outside of the cylinder 3. On the contrary, the rubber roller 4 can be released, and the rubber roller 4 can be disassembled from the cylinder 3, which is beneficial to the disassembly, assembly, maintenance and replacement of the rubber roller 4, and the operation is simple and convenient, saving time and effort.

[0030] In this embodiment: One end of the ejector rod 16 is used in cooperation with the inclined block 12.

[0031] Specifically, the ejector rod 16 can rotate a certain angle under the action of the rotating column 15, can apply a force to the inclined block 12, and push the positioning rod 11 to be inserted into the positioning groove 10 to ensure the stability of the connection between the rubber roller 4 and the cylinder 3.

[0032] In this embodiment: The length of the inclined surface of the inclined block 12 is less than the length of the cylinder 3.

[0033] Specifically, since the rotating column 15 is threadedly connected to the bracket 14, the rotating column 15 will displace a certain distance along its length direction during rotation. At this time, if the length of the inclined block 12 is set larger, the ejector rod 16 can always be in contact with and cooperate with the inclined block 12.

[0034] In this embodiment: A plurality of positioning rods 11 and ejector rods 16 are provided, and the number of the plurality of positioning rods 11 and ejector rods 16 is the same.

[0035] Specifically, the plurality of positioning rods 11 and ejector rods 16 can cooperate with each other, making the connection between the rubber roller 4 and the cylinder 3 more stable, and enabling the rubber roller 4 and the cylinder 3 to be relatively stationary.

[0036] In this embodiment: The control panel 7 is electrically connected to the drive source 5 through a wire.

[0037] Specifically, it is a common circuit connection structure and will not be elaborated here.

[0038] In this embodiment: The arc at one end of the ejector rod 16 close to the inclined block 12, and the length of the ejector rod 16 is greater than the depth of the positioning groove 10.

[0039] Specifically, it reduces friction and wear and extends the service life.

[0040] In this embodiment: The control panel 7 is of an existing structure, and the control circuit can be realized by simple programming by those skilled in the art, which belongs to the common knowledge in the art. Only its use is involved without modification, so the control method and circuit connection will not be described in detail.

[0041] Working principle: During use, rice is added into the feeding port 2. The rice is evenly fed between the two cylinders 3 along the full length of the rubber roller through the chute plate. The equal-diameter cylinders 3 rotate reversely at different linear speeds under the drive of the drive source 5. Under the pressure of the press weight, the rice passing through the rollers is squeezed and rubbed. Due to the squeezing of the two cylinders 3 and the rubbing action generated by the speed difference between the two cylinders 3, most of the rice reaches the purpose of hulling and enters the husk separation device. Then, the rice husks are sucked away at a wind speed of 4-5 m / s through the air suction port (not shown in the figure). During the hulling process, the dust-proof component 9 can play a role in dust prevention during use, avoiding the problem of dust flying and spreading everywhere through the feeding port 2, reducing the pollution to the surrounding environment of the operation, and reducing the harm to the health of the staff. It has strong practicability and is worthy of promotion. Among them, rotate the rotating column 15 clockwise. The rotating column 15 drives a plurality of ejector rods 16 to rotate clockwise and pushes a plurality of inclined blocks 12 to move. The movement of the plurality of inclined blocks 12 compresses and deforms the return spring 13 and makes the positioning rod 11 inserted into the positioning groove 10, so as to fix the rubber roller 4 on the outside of the cylinder 3. On the contrary, the rubber roller 4 can be released, and the rubber roller 4 can be disassembled from the cylinder 3, which is beneficial to the disassembly, assembly, maintenance and replacement of the rubber roller 4, and the operation is simple, convenient, time-saving and labor-saving.

[0042] It should be noted that the models of the rice huller in this application document can be TZ43-MA2018, LJ99-SY88-TH, HR10C and JLG-III, and they can be purchased on the market. And they are publicly available existing products and technologies. For those skilled in the art, it is clear about their working principles and structures. Here, the working principles and internal structures of them will not be described in detail in this application document.

[0043] The above is only the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present invention.

Claims

1. A rice husker, comprising a housing (1), characterized in that: A feed port (2) is fixedly mounted on the top surface of the shell (1), and a dustproof component (9) is installed inside the feed port (2); two cylinders (3) are rotatably connected inside the shell (1), and rubber rollers (4) are detachably mounted on the two cylinders (3); a driving source (5) is fixedly mounted on the rear surface of the shell (1), and the output end of the driving source (5) is connected to the cylinder (3); a discharge port (6) is fixedly mounted on one side surface of the shell (1), and a control panel (7) is installed on the other side surface of the shell (1); a bracket (14) is fixedly connected inside the cylinder (3); ), and a rotating column (15) is threadedly connected to the bracket (14), and a push rod (16) is welded to the outer wall of the rotating column (15), a positioning groove (10) is opened on the inner wall of the rubber roller (4), and a positioning rod (11) is inserted into the interior of the positioning groove (10), one end of the positioning rod (11) extends to the inner side of the cylinder (3) and is provided with an inclined block (12), and a return spring (13) is sleeved on the outer side of the positioning rod (11) between the inclined block (12) and the cylinder (3), and a repair plate (8) is detachably provided at the position corresponding to the two cylinders (3) on one side surface of the shell (1); The dustproof assembly (9) comprises a hinge (91), a dustproof plate (92) and a torsion spring (93); the dustproof plate (92) is hinged to the inner wall of the feed port (2) via the hinge (91); and a torsion spring (93) is installed between the bottom surface of the dustproof plate (92) and the inner wall of the feed port (2).

2. The rice husker according to claim 1, characterized in that: One end of the push rod (16) is used in conjunction with the inclined block (12).

3. The rice husker according to claim 1, characterized in that: The inclined surface length of the inclined block (12) is smaller than the length of the cylinder (3).

4. The rice husker according to claim 1, characterized in that: A plurality of the positioning rods (11) and the push rods (16) are provided, and the number of the plurality of positioning rods (11) and the push rods (16) is the same.

5. The rice husker according to claim 1, characterized in that: The control panel (7) is electrically connected to the driving source (5) via a wire.

6. The rice husker according to claim 1, characterized in that: The push rod (16) is arc-shaped at one end close to the inclined block (12), and the length of the push rod (16) is greater than the depth of the positioning groove (10).

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