Rice polishing device with automatic residue discharging function

Abstract

The rice polishing device with the residue automatic discharging function comprises a machine shell, a double-layer polishing cavity, a main shaft, a rotating disc and a polishing assembly, the double-layer polishing cavity, the main shaft, the rotating disc and the polishing assembly are arranged in the machine shell, the polishing cavity is composed of an upper polishing area and a lower residue discharging area, an inclined material guiding face is arranged at the bottom of the residue discharging area, and a turning plate structure is hinged to the material guiding face. The turning plate is connected with the main shaft through an eccentric dial wheel mechanism, and when the main shaft rotates, the turning plate is opened regularly, and accumulated residues are automatically discharged to a residue outlet. According to the device, directional guiding and mechanical periodic discharging of residues are achieved through linkage of the main shaft, residue blocking and manual cleaning can be avoided, and the device has the advantages of being simple in structure, high in residue discharging efficiency, low in maintenance cost and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of grain processing equipment, and specifically relates to a rice polishing device with automatic residue discharge. BACKGROUND

[0002] In the post-processing process of rice, polishing treatment can remove bran and chaff on the surface of rice grains, improving the appearance, smoothness and storage performance of rice. As represented by Chinese utility model patent CN202120585109.1, a vertical rice polishing device is disclosed, which improves polishing quality through a circular table-shaped polishing chamber, a rotating base driven by a servo motor, a friction structure of a hemispherical protruding part, and a water injection head cooperating with centrifugal force to remove bran, etc. Although it has certain automation advantages, it still has problems such as residues cannot be discharged in time, easy to accumulate and block, and difficult to clean and maintain due to the dependence on airtight cavity structure, which seriously affects the continuous and stable operation of the equipment. Therefore, it is necessary to optimize the residue discharge structure of the rice polishing device and provide a structural innovation scheme with automatic residue discharge capability to improve the automatic residue cleaning efficiency and reduce the frequency of manual operation and maintenance. SUMMARY

[0003] The utility model aims at providing a rice polishing device with automatic residue discharge to solve the problems raised in the background.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A rice polishing device with automatic residue discharge, comprising a machine shell, a polishing mechanism arranged in the machine shell, the polishing mechanism comprising a double-layer polishing chamber, a main shaft, a rotating disc and a polishing assembly, the double-layer polishing chamber being composed of an upper polishing area and a lower residue discharge area, the residue discharge area being provided with an inclined guide surface at the bottom, the guide surface being provided with a reversible flap, the flap being connected with an eccentric wheel mechanism, and the eccentric wheel mechanism being coaxially arranged with the main shaft.

[0006] Preferably, the flap is hinged to the guide surface on one side, and the other free end is provided with a residue blocking piece, which guides the residue into the residue discharge channel when it is turned inward.

[0007] Preferably, the residue discharge channel is a vertically sinking structure, located below the residue discharge area and communicating with the residue discharge port at the bottom of the machine shell.

[0008] Preferably, the eccentric wheel mechanism is composed of an eccentric disc fixed on the main shaft and a push rod, the push rod being connected to the middle part of the flap, so that the flap completes an opening and closing action in one revolution of the main shaft.

[0009] Preferably, the guide surface is an arc surface structure, and the surface is provided with a plurality of reinforcing ribs for guiding the residue to slide directionally.

[0010] Preferably, the main shaft is arranged through the center of the rotating disc, and the rotating disc is provided with a plurality of polishing brush blocks, the brush blocks are in contact with the inner wall of the upper polishing area, and are used for physical polishing of the surface of the rice.

[0011] Preferably, the inner wall of the upper polishing area is a ceramic wear-resistant surface, and is provided with a uniformly distributed rough structure layer.

[0012] Preferably, the residue discharge port is of an outer-connection hose type structure, and is provided with a backflow prevention one-way valve, which is used for preventing odor backflow.

[0013] Preferably, the machine shell is provided with a lateral observation window and a quick-opening maintenance door, so as to observe the polishing and residue discharge conditions and maintain the internal structure.

[0014] Compared with the prior art, the polishing device has the beneficial effects that:

[0015] 1. The polishing device with automatic residue discharge of rice can realize periodic automatic residue discharge through a mechanical linkage structure, does not need manual intervention, does not affect polishing operation, can be continuously operated for a long time, and greatly improves processing efficiency and automation level.

[0016] 2. The polishing device with automatic residue discharge of rice realizes residue discharge function based on a physical structure, avoids shutdown risk caused by control system failure, exposes the residue discharge structure to the rear of the observation window and the maintenance door, facilitates maintenance, and makes the whole machine more reliable in operation. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the polishing device with automatic residue discharge of rice.

[0018] Figure 2 It is a sectional view of the double-layer polishing cavity structure.

[0019] Figure 3 It is a structure schematic view of the turning plate and the material guide surface.

[0020] Figure 4 It is a linkage structure schematic view of the eccentric handle.

[0021] Figure 5 It is a residue automatic discharge path schematic view.

[0022] In the diagram: 1. Machine casing; 2. Double-layer polishing chamber; 21. Upper polishing area; 22. Lower slag discharge area; 3. Main shaft; 4. Rotary disk; 41. Polishing brush block; 5. Polishing assembly; 6. Guide surface; 61. Reinforcing rib; 7. Flip plate; 71. Slag baffle; 8. Eccentric dial mechanism; 81. Eccentric disk; 82. Push rod; 9. Slag discharge channel; 10. Slag discharge port; 11. One-way valve; 12. Observation window; 13. Inspection door; 211. Rough structure layer. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not 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 effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-5 As shown, this utility model provides a technical solution:

[0025] A rice polishing device with automatic residue discharge includes a housing (1) with a double-layer polishing chamber (2) inside. The polishing chamber consists of an upper polishing area (21) and a lower residue discharge area (22). The upper polishing area (21) is the main polishing area, and a rotating disk (4) and multiple polishing brushes (41) are provided inside. The rotating disk (4) is fixedly connected to a main shaft (3), and the main shaft (3) passes through the top of the housing (1) and is connected to a power source.

[0026] The bottom of the lower slag discharge area (22) is provided with an inclined guide surface (6). The guide surface (6) has an arc-shaped curved surface structure and several reinforcing ribs (61) are evenly distributed on its surface to guide the rice bran and debris residue that fall during the polishing process to collect and slide down in a designated direction. A flap (7) is hinged on the guide surface (6). One end of the flap (7) is a fixed hinge end, and the other end is a free flipping end. A slag baffle (71) is provided on the free end to block or guide the residue.

[0027] like Figure 3 , Figure 4 As shown, the flap (7) is connected to the main shaft (3) via an eccentric dial mechanism (8), which includes an eccentric disk (81) fixed on the main shaft (3) and a push rod (82) connected to the middle of the flap (7). When the main shaft (3) rotates with the rotating disk (4), the eccentric disk (81) drives the push rod (82) to reciprocate and push the flap (7) up and down, completing the periodic opening and closing action.

[0028] like Figure 5As shown, the slagging area (22) is provided with a slagging channel (9) below, which is communicated with a slagging port (10), the slagging port (10) is an external interface structure, and is provided with a back gas prevention one-way valve (11), which can effectively prevent the back flow of odor or dust. The flap (7) forms a blocking surface when closed, so that the residual slag is temporarily accumulated; when the flap (7) is opened, the residual slag slides along the guide surface (6) into the slagging channel (9), and then is discharged through the slagging port (10).

[0029] In order to facilitate the observation of equipment operation and daily maintenance, the lateral observation window (12) and the quick opening maintenance door (13) are arranged on the casing (1), so that the user can check the polishing and slagging at any time, and conveniently clean or replace the parts inside.

[0030] The device adopts a pure mechanical linkage structure, does not depend on an electric control system, drives the eccentric structure through the natural driving of the rotating main shaft, realizes the periodic opening and closing of the flap, achieves the purpose of automatic slagging, has compact structure, efficient slagging, low maintenance cost, and is suitable for high-strength continuous polishing operation.

[0031] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, the above examples and the description in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A rice polishing apparatus with automatic discharge of residue, characterized by: The utility model relates to a polishing machine, comprising a machine shell (1), a polishing mechanism arranged in the machine shell (1), the polishing mechanism comprising a double-layer polishing cavity (2), a main shaft (3), a rotary disc (4) and a polishing assembly (5), the double-layer polishing cavity (2) is composed of an upper polishing area (21) and a lower slag discharge area (22), the slag discharge area (22) is provided with an inclined guide surface (6) at the bottom, the guide surface (6) is provided with a reversible flap (7), the flap (7) is connected with an eccentric wheel mechanism (8), and the eccentric wheel mechanism (8) is coaxially arranged with the main shaft (3).

2. The rice polishing apparatus according to claim 1, wherein: The flap (7) is hinged to the guide surface (6) on one side, and the other side is provided with a slag blocking piece (71), when the slag blocking piece (71) is turned inward, the residual slag is guided into a slag discharge channel (9).

3. The rice polishing apparatus according to claim 2, wherein: The slag discharge channel (9) is a vertically sinking structure, located below the slag discharge area (22) and communicated with a slag discharge port (10) at the bottom of the machine shell (1).

4. The rice polishing apparatus according to claim 1, wherein: The eccentric wheel mechanism (8) is composed of an eccentric disc (81) fixed on the main shaft (3) and a push rod (82), the push rod (82) is connected to the middle part of the flap (7), so that the flap completes an opening and closing action in one rotation of the main shaft.

5. The rice polishing apparatus according to claim 1, wherein: The guide surface (6) is an arc surface structure, and a plurality of reinforcing ribs (61) are arranged on the surface and used for guiding the directional sliding of the residual slag.

6. The rice polishing apparatus according to claim 1, wherein: The main shaft (3) penetrates the center of the rotary disc (4), the rotary disc (4) is provided with a plurality of polishing brush blocks (41), the brush blocks (41) are in contact with the inner wall of the upper polishing area (21) and used for physically polishing the surface of rice.

7. The rice polishing apparatus according to claim 1, wherein: The inner wall of the upper polishing area (21) is a ceramic wear-resistant surface and is provided with a rough structure layer (211) uniformly arranged.

8. The rice polishing apparatus according to claim 3, wherein: The slag discharge port (10) is an external hose structure and is provided with an anti-back gas check valve (11) for preventing gas backflow.

9. The rice polishing apparatus according to claim 1, wherein: The machine shell (1) is provided with a lateral observation window (12) and a quick-opening maintenance door (13) for observing the polishing and slag discharge conditions and maintaining the internal structure.

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