Rice huller for pretreatment

Abstract

The utility model belongs to the technical field of rice hulling, and particularly relates to a rice huller for pretreatment, which comprises a machine body, two groups of arc-shaped grooves are respectively arranged on the upper side and the lower side of the machine body, annular conveying wheels are rotatably connected in the two grooves, the inner sides of the conveying wheels are opened, and the conveying wheels are arranged in the arc-shaped grooves. A plurality of partition plates are fixedly connected to the inner wall of the conveying wheel at equal intervals, an upper set of falling openings and a lower set of falling openings are formed in the positions, corresponding to the open grooves, of the inner wall of the machine body, two sets of hulling rollers are rotationally connected to the inner wall of the machine body, and a driving assembly is installed on the surface of the machine body and used for driving the hulling rollers and the conveying wheel to rotate; rice is hulled through rotation of the hulling roller, the hulled rice is conveyed to the hulling roller again through the conveying wheel to be hulled, and therefore repeated re-hulling of the rice is achieved, and the problem that time and labor are wasted due to the fact that repeated manual participation is needed during repeated re-hulling of the rice is solved.

Description

Technical Field

[0001] This utility model relates to the field of rice dehulling technology, specifically a rice dehulling machine for pretreatment. Background Technology

[0002] Rice processing refers to the process of removing the husk and bran from rice. After harvesting, rice is covered with a layer of husk, which is inedible and difficult to remove on its own. Without dehulling, the rice is difficult to eat. Dehulling rice requires a dehulling device.

[0003] Because the rice husk is tightly adhered to the rice grain, common rice hulling devices often require multiple hulling processes to improve efficiency. However, these hulling processes require manual intervention multiple times. The rice from the hulling device is collected and then manually added back into the device, resulting in multiple hulling processes that are time-consuming and labor-intensive. Therefore, this paper proposes a rice hulling machine for pretreatment to address these issues. Utility Model Content

[0004] In order to overcome the shortcomings of the existing technology and solve the technical problems mentioned above, this utility model proposes a rice hulling machine for pretreatment.

[0005] The technical solution adopted by this utility model to solve its technical problem is as follows: The present utility model provides a rice hulling machine for pretreatment, comprising a machine body, two sets of arc-shaped slots respectively opened on the upper and lower sides of the machine body, and annular conveying wheels rotatably connected inside the two slots. The inner side of the conveying wheels is open, and several equally spaced partitions are fixedly connected to the inner wall of the conveying wheels. The inner wall of the machine body is provided with two sets of upper and lower drop outlets corresponding to the slots. Two sets of hulling rollers are rotatably connected to the inner wall of the machine body. A drive assembly is installed on the surface of the machine body. The drive assembly is used to drive the hulling rollers and the conveying wheels to rotate. A discharge assembly is installed in the lower inner area of ​​the machine body. The discharge assembly is used to discharge the hulled rice.

[0006] Preferably, the drive assembly includes a drive motor, which is fixedly mounted on the outer wall of the machine body. A connecting rod is fixedly connected to the drive end of the drive motor. The connecting rod is located below the two sets of shelling rollers, and the other end of the connecting rod passes through the machine body and is fixedly connected to the inner wall of the conveyor wheel.

[0007] Preferably, the drive assembly further includes two gears, the ends of which are meshed together, and the two gears are respectively fixedly installed at the same end of the two shelling rollers.

[0008] Preferably, a pulley is fixedly provided at the same end of the connecting rod and one of the shelling rollers, and a drive belt is provided on both pulleys.

[0009] Preferably, the upper surface of the machine body is provided with a feed inlet, and the inner wall of the machine body is fixedly connected with two inclined plates distributed in a figure-eight shape, the inclined plates being located above the shelling roller.

[0010] Preferably, the discharge assembly includes a discharge port and a rotating plate. The discharge port is located on the lower side wall of the machine body, and one end of the rotating plate is rotatably mounted on the lower inner wall of the machine body via a shaft.

[0011] Preferably, the length of the rotating plate is shorter than the length of the machine body, and an inclined fixed plate is provided above the other end of the rotating plate. The outer wall of the fixed plate is fixedly connected to the inner wall of the machine body, and an electric push cylinder is rotatably connected to the surface of the fixed plate. The drive end of the electric push cylinder is rotatably connected to the upper surface of the rotating plate through a shaft.

[0012] Preferably, an extrusion frame is fixedly connected to the upper surface of the rotating plate near the discharge port, and a baffle is rotatably connected to the outer wall of the machine body at the discharge port via a shaft.

[0013] The advantages of this utility model are:

[0014] 1. This utility model uses a dehulling roller to dehull rice. After dehulling, the rice is transported back to the dehulling roller by a conveyor wheel for dehulling again, thus achieving multiple dehulling of the rice and avoiding the time-consuming and labor-intensive problem of having to manually intervene multiple times when rice is dehulled.

[0015] 2. This utility model uses an electric pusher cylinder to extend and push the rotating plate downward to prevent the rice from falling out of the discharge port. After the rice is dehulled, the rotating plate rotates upward, which drives the extrusion frame to rotate upward. The extrusion frame pushes the baffle to rotate outward, thereby opening the discharge port and allowing the rice to be discharged smoothly from the discharge port. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a cross-sectional view of the body of this utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the present invention;

[0020] Figure 4This is a schematic diagram of the drive component structure of this utility model;

[0021] Figure 5 This is a schematic diagram of the conveyor wheel structure of this utility model;

[0022] Figure 6 This is a schematic diagram of the material discharge assembly structure of this utility model.

[0023] In the diagram: 1. Machine body; 2. Conveyor wheel; 3. Partition plate; 4. Drop outlet; 5. Dehulling roller; 6. Drive assembly; 61. Drive motor; 62. Connecting rod; 63. Gear; 64. Pulley; 65. Transmission belt; 7. Discharge assembly; 71. Discharge port; 72. Rotating plate; 73. Fixed plate; 74. Electric pusher cylinder; 75. Extrusion frame; 8. Feed inlet; 9. Inclined plate; 10. Baffle plate; 11. Anti-detachment plate. Detailed Implementation

[0024] 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 scope of protection of the present utility model.

[0025] Please see Figure 1-6 As shown, a rice hulling machine for pretreatment includes a body 1. Two sets of arc-shaped slots are respectively opened on the upper and lower sides of the body 1. Annular conveyor wheels 2 are rotatably connected inside the two slots. The inner side of the conveyor wheels 2 is open, and several equally spaced partitions 3 are fixedly connected to the inner wall of the conveyor wheels 2. Two sets of drop outlets 4 are respectively opened on the inner wall of the body 1 corresponding to the slots. Two sets of hulling rollers 5 are rotatably connected to the inner wall of the body 1. Two arc-shaped anti-hulling plates 11 are fixed on the outer side of the body 1 corresponding to the conveyor wheels 2. A drive assembly 6 is installed on the surface of the body 1. The drive assembly 6 is used to drive the hulling rollers 5 and the conveyor wheels 2 to rotate. A discharge assembly 7 is installed in the lower inner area of ​​the body 1. The discharge assembly 7 is used to discharge the hulled rice.

[0026] Specifically, the conveyor wheel 2 is divided into multiple storage chambers by partitions 3. The outer wall of the anti-detachment plate 11 is attached to the inner wall of the conveyor wheel 2, thereby cooperating with the machine body 1 to block the inner opening of the conveyor wheel 2, preventing the rice in the storage chamber from detaching. This allows the rice to only detach from the upper drop port 4. In use, rice with husks is added to the inside of the machine body 1. The drive assembly 6 drives the hulling roller 5 and the conveyor wheel 2 to rotate. The hulling roller 5 rotates to hull the rice. The hulled rice falls into the storage chamber at the bottom of the conveyor wheel 2 through the lower drop port 4. When the conveyor wheel 2 rotates, the rice in the storage chamber is transported to the upper drop port 4, and then falls onto the hulling roller 5 from the drop port 4 for hulling again. This achieves multiple hulling of the rice, avoiding the time-consuming and labor-intensive problem of having to manually intervene multiple times when hulling the rice.

[0027] The drive assembly 6 includes a drive motor 61, which is fixedly mounted on the outer wall of the machine body 1. The drive end of the drive motor 61 is fixedly connected to a connecting rod 62, which is located on the lower side of the two sets of shelling rollers 5. The other end of the connecting rod 62 passes through the machine body 1 and is fixedly connected to the inner wall of the conveyor wheel 2.

[0028] Specifically, when the drive motor 61 is running, it drives the connecting rod 62 to rotate, and the connecting rod 62 drives the conveyor wheel 2 to rotate to convey rice.

[0029] The drive assembly 6 also includes two gears 63, the ends of which are meshed together, and the two gears 63 are respectively fixedly installed at the same end of the two shelling rollers 5. The connecting rod 62 and the same end of one of the shelling rollers 5 are respectively fixedly provided with pulleys 64, and the two pulleys 64 are provided with a common drive belt 65.

[0030] Specifically, when the connecting rod 62 rotates, it drives one of the hulling rollers 5 through the transmission cooperation of the pulley 64 and the transmission belt 65. When the hulling roller 5 rotates, it drives the other hulling roller 5 through the transmission cooperation of the two sets of gears 63, so that the two sets of hulling rollers 5 rotate relative to each other to hull the rice.

[0031] The upper surface of the machine body 1 is provided with a feed port 8, and the inner wall of the machine body 1 is fixedly connected with two inclined plates 9 distributed in a figure-eight shape, with the inclined plates 9 located above the shelling roller 5.

[0032] Specifically, rice is added into the machine body 1 through the feed inlet 8, and the rice slides down the inclined plate 9 onto the hulling roller 5 for hulling.

[0033] The discharge assembly 7 includes a discharge port 71 and a rotating plate 72. The discharge port 71 is located on the lower side wall of the machine body 1. One end of the rotating plate 72 is rotatably mounted on the lower side of the inner wall of the machine body 1 via a shaft. The length of the rotating plate 72 is shorter than the length of the machine body 1. An inclined fixing plate 73 is provided above the other end of the rotating plate 72. The outer wall of the fixing plate 73 is fixedly connected to the inner wall of the machine body 1. An electric push cylinder 74 is rotatably connected to the surface of the fixing plate 73. The drive end of the electric push cylinder 74 is rotatably connected to the upper surface of the rotating plate 72 via a shaft.

[0034] Specifically, during the hulling process, the electric pusher cylinder 74 extends and pushes the rotating plate 72 downward, allowing the hulled rice to slide down the rotating plate 72 along with the vibration generated by the drive component 6, preventing it from falling directly out of the discharge port 71. After hulling is completed, the electric pusher cylinder 74 retracts and pulls the rotating plate 72 upward, causing the rice and shells that have fallen onto the rotating plate 72 to be discharged from the discharge port 71 along the rotating plate 72, without undergoing repeated hulling, thus preventing rice and shells from remaining in the machine body 1.

[0035] An extrusion frame 75 is fixedly connected to the upper surface of the rotating plate 72 near the discharge port 71. A baffle 10 is rotatably connected to the outer wall of the machine body 1 at the discharge port 71 via a shaft. A counterweight is provided below the baffle 10.

[0036] Specifically, the baffle 10 rotates downwards under gravity to block the discharge port 71, preventing rice or the outer shell from escaping from the discharge port 71 during hulling. After hulling is completed, the rotating plate 72 rotates upwards, causing the extrusion frame 75 to rotate upwards. The extrusion frame 75 pushes the baffle 10 to rotate outwards, thereby opening the discharge port 71 and allowing the rice to be discharged smoothly from the discharge port 71.

[0037] Those skilled in the art should connect all electrical components and their compatible power supplies in this case via wires. Furthermore, appropriate controllers should be selected and electrically connected to the drive motor 61 and the electric cylinder 74 according to the actual situation to meet control requirements. Specific connections and control sequences should refer to the working principle described below, where the electrical components are connected in sequence. The detailed connection methods are well-known in the art. The following mainly introduces the working principle and process, without further explanation of electrical control.

[0038] The parts of the device not covered herein are the same as or can be implemented using existing technologies.

[0039] The working principle is as follows: rice is added into the machine body 1 through the feed port 8. The drive component 6 drives the hulling roller 5 and the conveyor wheel 2 to rotate. The hulling roller 5 rotates to hull the rice. The hulled rice falls into the storage cavity at the bottom of the conveyor wheel 2 through the drop port 4 on the lower side. When the conveyor wheel 2 rotates, the rice in the storage cavity is transported to the drop port 4 on the upper side. It then falls onto the hulling roller 5 through the drop port 4 for hulling again. This achieves multiple hulling of the rice, avoiding the time-consuming and labor-intensive problem of having to manually intervene multiple times when hulling rice.

[0040] During hulling, the baffle 10 rotates downwards under gravity, blocking the outlet 71 to prevent rice or shells from escaping from the outlet 71. When the rotating plate 72 rotates upwards, it drives the extrusion frame 75 to rotate upwards. The extrusion frame 75 pushes the baffle 10 to rotate outwards, thereby opening the outlet 71 and allowing the rice to be discharged smoothly from the outlet 71. The electric push cylinder 74 extends and pushes the rotating plate 72 to tilt downwards, so that the hulled rice, in conjunction with the vibration generated by the drive component 6, can slide down the rotating plate 72, preventing it from falling directly out of the outlet 71. After hulling is completed, the electric push cylinder 74 retracts and pulls the rotating plate 72 to rotate upwards. When the rotating plate 72 rotates upwards, it drives the extrusion frame 75 to rotate upwards. The extrusion frame 75 pushes the baffle 10 to rotate outwards, thereby opening the outlet 71 and allowing the rice and shells that fall onto the rotating plate 72 to be discharged from the outlet 71 along the rotating plate 72, without undergoing repeated hulling, thus preventing rice and shells from remaining in the machine body 1.

[0041] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0042] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A rice hulling machine for pretreatment, comprising a machine body (1), characterized in that: The upper and lower sides of the machine body (1) are respectively provided with two sets of arc-shaped slots. The two slots are rotatably connected to annular conveyor wheels (2). The inner side of the conveyor wheels (2) is open, and the inner wall of the conveyor wheels (2) is fixedly connected with several equally spaced partitions (3). The inner wall of the machine body (1) is provided with two sets of upper and lower drop holes (4) corresponding to the slots. The inner wall of the machine body (1) is rotatably connected with two sets of hulling rollers (5). The outer side of the machine body (1) is fixed with two arc-shaped anti-hulling plates (11) corresponding to the conveyor wheels (2). The surface of the machine body (1) is equipped with a drive assembly (6). The drive assembly (6) is used to drive the hulling rollers (5) and the conveyor wheels (2) to rotate. The lower inner area of ​​the machine body (1) is equipped with a discharge assembly (7). The discharge assembly (7) is used to discharge the hulled rice.

2. The rice hulling machine for pretreatment according to claim 1, characterized in that: The drive assembly (6) includes a drive motor (61), which is fixedly mounted on the outer wall of the machine body (1). The drive end of the drive motor (61) is fixedly connected to a connecting rod (62). The connecting rod (62) is located on the lower side of the two sets of shelling rollers (5), and the other end of the connecting rod (62) passes through the machine body (1) and is fixedly connected to the inner wall of the conveyor wheel (2).

3. The rice hulling machine for pretreatment according to claim 2, characterized in that: The drive assembly (6) also includes two gears (63), the ends of the two gears (63) are meshed and connected, and the two gears (63) are respectively fixedly installed at the same end of the two shelling rollers (5).

4. The rice hulling machine for pretreatment according to claim 2, characterized in that: The connecting rod (62) and one of the shelling rollers (5) are respectively fixedly provided with pulleys (64) at the same end, and a transmission belt (65) is provided on both pulleys (64).

5. The rice hulling machine for pretreatment according to claim 1, characterized in that: The upper surface of the machine body (1) is provided with a feed inlet (8), and the inner wall of the machine body (1) is fixedly connected with two inclined plates (9) distributed in a figure-eight shape. The inclined plates (9) are located above the shelling roller (5).

6. The rice hulling machine for pretreatment according to claim 5, characterized in that: The discharge assembly (7) includes a discharge port (71) and a rotating plate (72). The discharge port (71) is located on the lower side wall of the machine body (1), and one end of the rotating plate (72) is rotatably mounted on the lower side of the inner wall of the machine body (1) via a shaft.

7. The rice hulling machine for pretreatment according to claim 6, characterized in that: The length of the rotating plate (72) is shorter than the length of the machine body (1). An inclined fixed plate (73) is provided above the other end of the rotating plate (72). The outer wall of the fixed plate (73) is fixedly connected to the inner wall of the machine body (1). An electric push cylinder (74) is rotatably connected to the surface of the fixed plate (73). The driving end of the electric push cylinder (74) is rotatably connected to the upper surface of the rotating plate (72) through a shaft.

8. The rice hulling machine for pretreatment according to claim 7, characterized in that: The rotating plate (72) is fixedly connected to the upper surface of the side near the discharge port (71) with an extrusion frame (75), and the outer wall of the machine body (1) is connected to a baffle (10) via a shaft at the discharge port (71).

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