Rice hull screening device for rice processing and production

Abstract

The utility model relates to the technical field of rice processing and production, and discloses a rice hull screening device for rice processing and production, which comprises a processing box, a discharge box, support legs, a feed opening, a hull outlet, a grain outlet, a feed control mechanism and a blower device, the discharge box is arranged at the lower end of the processing box, the feed opening is arranged at the upper end of the processing box, and the support legs are arranged at the lower end of the processing box. The supporting legs are fixedly connected to the bottom of the discharging box, the shell outlet is formed in the side face of the discharging box, the grain outlet is formed in the bottom of the discharging box, the discharging control mechanism is arranged on the outer wall and inside the processing box, and the blower device is arranged on the side face of the discharging box. According to the rice hull screening device for rice processing and production, by arranging the discharging control mechanism, the discharging speed and the discharging quantity can be controlled through back-and-forth swinging of a movable baffle, meanwhile, under cooperation with a fixed baffle, the discharging speed is further reduced, and therefore it can be guaranteed that a blower device screens out rice hulls more easily.

Description

Technical Field

[0001] The utility model relates to the technical field of rice processing and production, in particular to a rice husk screening device for rice processing and production. Background Art

[0002] China is one of the origins of rice. Most of the farmland in southern China is mainly paddy fields, and rice is the main food crop. Rice is an important grain widely grown in tropical Asia. Southern China is the main rice-producing area, and it is also planted in northern provinces. There are two main subspecies of rice, indica and japonica. There are many cultivars under each subspecies. The mature caryopsis is used as medicine. It tastes sweet and warm. It can help digestion, strengthen the spleen and stimulate appetite.

[0003] For example, Chinese patent: CN209935220U, the technical solution disclosed in the patent is as follows: a rice husk screening device for rice processing and production is disclosed, including a base, a first rotating shaft, a fan and a servo motor, columns are arranged on both sides of the upper left and right sides of the base, and a placement frame is arranged on the inner side of the column, and the upper left of the placement frame is connected to the fixed block through a connecting spring, a groove is opened on the upper surface of the right side of the placement frame, and a baffle is connected inside the groove, the outer wall of the screw rod is connected to the mounting seat, and a fan is installed on the front side of the mounting seat, the servo motor is arranged on the left side of the connecting plate, and the output end of the servo motor is connected to the screw rod. The rice husk screening device for rice processing and production is provided with a placement frame, and the placement frame is inclined, and the left side of the placement frame is connected to the fixed block by connecting the spring to form a telescopic structure, when the rice is placed in the placement frame, the fine impurities contained in the rice can be screened out by the through-hole placement frame to ensure the normal processing of the rice.

[0004] However, in actual use, when a large amount of rice is piled up in the placing frame in the above patent, the rice husks in the rice are blown out by a blower fan for screening, which may result in that the rice husks in the large amount of rice piled up together cannot be completely screened out. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a rice husk screening device for rice processing and production.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rice husk screening device for rice processing and production, comprising a processing box, a discharge box, support legs, a feed outlet, a shell outlet, a valley outlet, a feed control mechanism, and an air blowing device, wherein the discharge box is arranged at the lower end of the processing box, the feed outlet is opened at the upper end of the processing box, the support legs are fixedly connected to the bottom of the discharge box, the shell outlet is opened at the side of the discharge box, the valley outlet is opened at the bottom of the discharge box, the feed control mechanism is arranged on the outer wall and the inside of the processing box, and the air blowing device is arranged on the side of the discharge box; the feed control mechanism comprises a motor, a transmission rod, a worm, a worm wheel, a rotating shaft, a connecting rod, and a movable plate. , rotating rod A, and movable baffle; the motor is fixedly connected to the outer wall of the discharge box, the transmission rod is fixedly connected to the output end of the motor, the worm is fixedly sleeved on the outside of the transmission rod, the worm wheel is meshed with the side of the worm, the rotating shaft is rotatably connected to the outer wall of the processing box through a bearing, the worm wheel is fixedly sleeved on the outer wall of the rotating shaft, one end of the connecting rod is rotatably connected to the outer wall of the worm wheel through a pin shaft, the movable plate is rotatably connected to the other end of the connecting rod through a pin shaft, the rotating rod A is rotatably connected to the inner wall of the processing box through a bearing and one end of the rotating rod A penetrates the processing box, the other end of the movable plate is fixedly sleeved on the outer wall of the rotating rod A, and one end of the movable baffle is fixedly sleeved on the inner wall of the rotating rod A.

[0007] Preferably, the height of the rotating rod A is lower than the position of the rotating shaft.

[0008] Preferably, the blowing device includes a transmission wheel A, which is fixedly sleeved on the outer wall of the transmission rod, a transmission belt is wound around the outer wall of the transmission wheel A, and the inner wall of the other end of the transmission belt is rotatably connected to a transmission wheel B, the bottom of the transmission wheel B is fixedly connected to a connecting rod, the bottom of the connecting rod is fixedly connected to a bevel gear A, the side of the bevel gear A is meshed with a bevel gear B, the side of the bevel gear B is fixedly connected to a rotating rod B, the rotating rod B passes through a discharge box, and the rotating rod B is located on one side inside the discharge box and is fixedly connected to a fan blade on the outside.

[0009] Preferably, a fixing block is fixedly connected to the side of the discharge box, and the middle part of the connecting rod is rotatably connected to the fixing block.

[0010] Preferably, a fixed baffle is provided inside the processing box, and the fixed baffle and the movable baffle are respectively provided on both sides of the inside of the processing box.

[0011] Preferably, a material guiding frame is provided at the bottom of the valley outlet.

[0012] Compared with the prior art, the utility model provides a rice husk screening device for rice processing and production, which has the following beneficial effects:

[0013] 1. The rice husk screening device for rice processing and production, by setting a feeding control mechanism, can control the feeding speed and quantity by the back and forth swing of the movable baffle, and at the same time, in cooperation with the fixed baffle, further reduce the feeding speed, thereby ensuring that the blowing device can more easily screen out the rice husk.

[0014] 2. The rice husk screening device for rice processing and production can utilize the rotation of the transmission rod to drive the rotation of the fan blades by setting an air blowing device, and then the rice husk can be blown out of the discharge box from the husk outlet, thereby realizing the screening of rice and rice husk. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a front sectional structural schematic diagram of the utility model;

[0018] Figure 3 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0019] Figure 4 For this utility model Figure 1 Enlarged structural diagram at B in the middle.

[0020] In the figure: 1. processing box; 2. discharge box; 3. supporting legs; 4. discharge port; 6. shell outlet; 7. valley outlet; 801. motor; 802. transmission rod; 803. worm; 804. worm wheel; 805. rotating shaft; 806. connecting rod; 807. movable plate; 808. rotating rod A; 809. movable baffle; 901. transmission wheel A; 902. transmission belt; 903. transmission wheel B; 904. connecting rod; 905. bevel gear A; 906. bevel gear B; 907. rotating rod B; 908. fan blade; 909. fixed block; 10. fixed baffle; 11. material guide frame. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Example

[0022] like Figure 1-3As shown, the utility model provides a rice husk screening device for rice processing and production, comprising a processing box 1, a discharge box 2, support legs 3, a feed opening 4, a shell outlet 6, a valley outlet 7, a feed control mechanism, and an air blowing device. The discharge box 2 is arranged at the lower end of the processing box 1, the feed opening 4 is opened at the upper end of the processing box 1, the support legs 3 are fixedly connected to the bottom of the discharge box 2, the shell outlet 6 is opened at the side of the discharge box 2, and the valley outlet 7 is opened at the bottom of the discharge box 2. The feed control mechanism is arranged on the outer wall and the interior of the processing box 1, and the air blowing device is arranged on the side of the discharge box 2; the feed control mechanism comprises a motor 801, a transmission rod 802, a worm 803, a worm wheel 804, a rotating shaft 805, a connecting rod 806, a movable plate 807, a rotating rod A808, and a movable baffle 809; the motor 8 01 is fixedly connected to the outer wall of the discharge box 2, the transmission rod 802 is fixedly connected to the output end of the motor 801, the worm 803 is fixedly sleeved on the outside of the transmission rod 802, the worm wheel 804 is meshed with the side of the worm 803, the rotating shaft 805 is rotatably connected to the outer wall of the processing box 1 through a bearing, the worm wheel 804 is fixedly sleeved on the outer wall of the rotating shaft 805, one end of the connecting rod 806 is rotatably connected to the outer wall of the worm wheel 804 through a pin shaft, the movable plate 807 is rotatably connected to the other end of the connecting rod 806 through a pin shaft, the rotating rod A808 is rotatably connected to the inner wall of the processing box 1 through a bearing and one end of the rotating rod A808 passes through the processing box 1, the other end of the movable plate 807 is fixedly sleeved on the outer wall of the rotating rod A808, and one end of the movable baffle 809 is fixedly sleeved on the inner wall of the rotating rod A808.

[0023] Preferably, the height of the rotating rod A808 is lower than the position of the rotating shaft 805.

[0024] A fixed baffle 10 is disposed inside the processing box 1 , and the fixed baffle 10 and the movable baffle 809 are disposed on both sides of the processing box 1 , respectively.

[0025] Preferably, a material guiding frame 11 is provided at the bottom of the valley outlet 7 .

[0026] In this embodiment, by setting up a material discharge control mechanism, the material discharge speed and quantity can be controlled by the back and forth swinging of the movable baffle 809. At the same time, in cooperation with the fixed baffle 10, the material discharge speed is further reduced, thereby ensuring that the blowing device can more easily screen out the rice husks. Example

[0027] like Figure 2-4As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the blowing device includes a transmission wheel A901, the transmission wheel A901 is fixedly sleeved on the outer wall of the transmission rod 802, a transmission belt 902 is wound around the outer wall of the transmission wheel A901, the inner wall of the other end of the transmission belt 902 is rotatably connected to a transmission wheel B903, the bottom of the transmission wheel B903 is fixedly connected to a connecting rod 904, the bottom of the connecting rod 904 is fixedly connected to a bevel gear A905, the side of the bevel gear A905 is meshed with a bevel gear B906, the side of the bevel gear B906 is fixedly connected to a rotating rod B907, the rotating rod B907 passes through the discharge box 2, and the rotating rod B907 is located on one side inside the discharge box 2 and is fixedly connected to a fan blade 908 on the outside.

[0028] Preferably, a fixing block 909 is fixedly connected to the side of the discharge box 2 , and the middle portion of the connecting rod 904 is rotatably connected to the fixing block 909 .

[0029] In this embodiment, by providing an air blowing device, the rotation of the transmission rod 802 can be utilized to drive the rotating rod B907 and the fan blades 908 to rotate, and then the husks can be blown out of the discharge box 2 from the husk outlet 6, thereby achieving the screening of rice and rice husks.

[0030] The working principle of the rice husk screening device for rice processing and production is described in detail below.

[0031] like Figure 1-4 As shown, when in use, first start the motor 801 to drive the transmission rod 802 to rotate, and then the worm 803 will rotate, and then the worm wheel 804 meshing with it will also rotate, and then the worm wheel 804 will drive the movable plate 807 to swing back and forth through the connecting rod 806, and then drive the rotating rod A808 to swing back and forth, and then drive the movable baffle 809 to swing back and forth, at this time, the unscreened rice can be poured into the processing box 1 from the discharge port 4, and the rice falls onto the movable baffle 809, and it will swing back and forth with the angle of the movable baffle 809, so as to realize the step-by-step screening. It falls again and is buffered by the fixed baffle 10. At the same time, the transmission rod 802 drives the transmission wheel A901 to rotate, and then drives the transmission wheel B903 to rotate under the action of the transmission belt 902, and then drives the connecting rod 904 to rotate. Then the bevel gear A905 will rotate, and the bevel gear B906 meshing with it will also rotate, and then drive the rotating rod B907 to rotate, and then drive the fan blades 908 to rotate, and then the rice husks will be discharged from the husk outlet 6 under the action of wind, and the rice grains will be discharged from the grain outlet 7 through the guide frame 11 under the action of gravity.

Claims

1. A rice husk screening device for rice processing and production, comprising a processing box (1), a discharge box (2), support legs (3), a feeding port (4), a husk outlet (6), a rice outlet (7), a feeding control mechanism, and an air blowing device, characterized in that: The discharge box (2) is arranged at the lower end of the processing box (1), the discharge port (4) is opened at the upper end of the processing box (1), the support leg (3) is fixedly connected to the bottom of the discharge box (2), the shell outlet (6) is opened at the side of the discharge box (2), the valley outlet (7) is opened at the bottom of the discharge box (2), the discharge control mechanism is arranged on the outer wall and the inside of the processing box (1), and the air blowing device is arranged on the side of the discharge box (2); The material unloading control mechanism comprises a motor (801), a transmission rod (802), a worm (803), a worm wheel (804), a rotating shaft (805), a connecting rod (806), a movable plate (807), a rotating rod A (808), and a movable baffle (809); The motor (801) is fixedly connected to the outer wall of the discharge box (2), the transmission rod (802) is fixedly connected to the output end of the motor (801), the worm (803) is fixedly sleeved on the outside of the transmission rod (802), the worm wheel (804) is meshed with the side of the worm (803), the rotating shaft (805) is rotatably connected to the outer wall of the processing box (1) via a bearing, the worm wheel (804) is fixedly sleeved on the outer wall of the rotating shaft (805), and the connecting rod (806) is One end is rotatably connected to the outer wall of the worm gear (804) via a pin shaft, the movable plate (807) is rotatably connected to the other end of the connecting rod (806) via a pin shaft, the rotating rod A (808) is rotatably connected to the inner wall of the processing box (1) via a bearing, and one end of the rotating rod A (808) passes through the processing box (1), the other end of the movable plate (807) is fixedly sleeved on the outer wall of the rotating rod A (808), and one end of the movable baffle (809) is fixedly sleeved on the inner wall of the rotating rod A (808).

2. The rice husk screening device for rice processing and production according to claim 1, characterized in that: The height of the rotating rod A (808) is lower than the position of the rotating shaft (805).

3. The rice husk screening device for rice processing and production according to claim 1, characterized in that: The air blowing device comprises a transmission wheel A (901), the transmission wheel A (901) being fixedly sleeved on the outer wall of a transmission rod (802), a transmission belt (902) being wound around the outer wall of the transmission wheel A (901), the inner wall of the other end of the transmission belt (902) being rotatably connected to a transmission wheel B (903), the bottom of the transmission wheel B (903) being fixedly connected to a connecting rod (904), the bottom of the connecting rod (904) being fixedly connected to a bevel gear A (905), the side of the bevel gear A (905) being meshed with a bevel gear B (906), the side of the bevel gear B (906) being fixedly connected to a rotating rod B (907), the rotating rod B (907) passing through a discharge box (2), and a fan blade (908) being fixedly connected to the outside of one side of the rotating rod B (907) located inside the discharge box (2).

4. The rice husk screening device for rice processing and production according to claim 3, characterized in that: A fixed block (909) is fixedly connected to the side of the discharge box (2), and the middle part of the connecting rod (904) is rotatably connected to the fixed block (909).

5. The rice husk screening device for rice processing and production according to claim 1, characterized in that: A fixed baffle (10) is arranged inside the processing box (1), and the fixed baffle (10) and the movable baffle (809) are respectively arranged on two sides inside the processing box (1).

6. The rice husk screening device for rice processing and production according to claim 1, characterized in that: A material guiding frame (11) is provided at the bottom of the valley outlet (7).

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