Rice production screening equipment

Abstract

The utility model discloses screening equipment for rice production, and relates to the technical field of screening equipment. A cart is arranged below the box body in a matched mode, the cart comprises a sand discharging installation hole formed in the cart, a first screen is arranged at the top of the sand discharging installation hole, the two sides of the first screen are each provided with an L-shaped sliding rail, a handle is arranged on the side face of the cart, and the handle is connected with the first screen. A motor fixing plate is further arranged on the side, away from the handle, of the trolley, and four first rolling wheels are arranged at the bottom of the trolley; a movable screen is further arranged between the two L-shaped sliding rails in a matched mode. According to the utility model, the cart is arranged, so that the screen mesh after screening can be conveniently flushed in time, and gravel is prevented from blocking meshes and affecting the screening effect; meanwhile, the driving assembly is arranged, the positions of the feeding port and the discharging port are staggered, the time of the rice in the primary screening chamber is prolonged, and the fan can blow rice straw and empty rice more sufficiently.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of screening equipment, and specifically relates to a rice production screening equipment. BACKGROUND

[0002] Rice is one of the main food in China, and after harvesting, it needs to be dried or baked to be stored or eaten. In order to ensure the quality of rice, the dried rice usually needs to be screened to remove the rice straw and empty shell mixed in the rice. The existing rice screening device is generally manually operated, and the rice is put into a cabinet, the fan blade is manually rotated, and the air is blown to the rice falling into the cabinet, so that the rice straw and empty shell with lighter quality are blown away to achieve the purpose of screening. This screening method is low in efficiency and difficult to screen the sand mixed in the rice.

[0003] The patent No. CN213591083U discloses a rice grade screening device, which is provided with a hollow support, a screen, a blower, etc. In actual use, the rice is put into the inner wall of the device through the feeding port, and the blower is started to blow the falling rice, so that the rice straw and empty shell with lighter quality are blown away from the exhaust port to achieve the screening of the rice straw and empty shell. Then, the driving motor drives the cam to frequently impact the hollow support, so that the screen vibrates up and down, and the rice is thrown to further screen the sand. The rice grade screening device can simultaneously screen the rice straw, empty shell and sand, and improve the work efficiency and screening effect.

[0004] However, the device has some disadvantages in use. During the sand screening process, some small sand and stones are often attached to the screen, which can cause the screen to be blocked after a long time of use, affecting the screening efficiency. The screen in the device is located at the bottom of the device, and the operator needs to enter the device to replace the screen, which is very inconvenient. In addition, since the screen is provided with a discharge port, it is difficult to ensure that the sand and stones will not be discharged together with the screened rice.

[0005] Therefore, the present application provides a rice production screening device to eliminate the disadvantages of the existing device. TECHNICAL SOLUTION

[0006] The utility model discloses a rice production screening device to solve the problems in the background art.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] The utility model provides a rice production screening equipment, including the box, the box below cooperation is equipped with a cart, the cart includes a sand discharge mounting hole being opened in the cart, the sand discharge mounting hole top is equipped with a first screen, the first screen both sides are equipped with an L shape slide rail, the side of the cart is equipped with a handle, the side of first screen is close to handle still is equipped with a side baffle, the side of cart is away from handle still is equipped with a motor fixed plate, the bottom of cart is equipped with four first gyro wheel, the mobile screen is still equipped with between two L shape slide rails.

[0009] Preferably, the mobile screen includes a I-shaped slide plate, a plurality of second gyro wheels are symmetrically arranged on both sides of the I-shaped slide plate, a second screen is further arranged in the middle of the I-shaped slide plate, and a baffle is further arranged on one side of the second screen.

[0010] Preferably, the mobile screen further comprises a rotating assembly arranged on one side thereof, the rotating assembly comprises a motor fixedly connected to the motor fixed plate, an output end of the motor is connected with a rotating wheel, the rotating wheel is fixedly connected with an eccentric rod, the eccentric rod is rotatably connected with a connecting rod, and an installation hole is formed in one end of the connecting rod away from the eccentric rod.

[0011] Preferably, a preliminary screening chamber is formed in the upper portion of the box, an inlet is arranged on the top of the preliminary screening chamber, a fan installation hole is arranged on one side of the preliminary screening chamber, a plurality of exhaust outlets are arranged on the side of the preliminary screening chamber away from the fan installation hole, and a discharge outlet is formed in the lower portion of the preliminary screening chamber.

[0012] Preferably, the positions of the inlet and the discharge outlet are staggered.

[0013] Preferably, a driving assembly is further arranged in the preliminary screening chamber, the driving assembly comprises a telescopic rod connected between a fixed end and an inner wall of the preliminary screening chamber, and a push plate is arranged on the telescopic end of the telescopic rod.

[0014] Preferably, a wind guide assembly is further arranged in the fan installation hole, and the wind guide assembly is a fan.

[0015] Preferably, the pore size of the second screen is larger than that of the first screen.

[0016] Preferably, a convection fan is further arranged in the exhaust outlet 104.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] 1. The utility model discloses a trolley, and the screened screen can be washed in time, preventing sand and stone from blocking the mesh and affecting the screening effect.

[0019] 2. The utility model discloses drive assembly is provided with, and the position of inlet and outlet is staggered, prolongs the time of rice in the primary screening chamber, and fan can be more fully blows and brushes rice stem and empty shell rice. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the structure schematic drawing of the utility model.

[0021] Figure 2 It is the sectional view of the box body in the utility model.

[0022] Figure 3 It is the structure schematic drawing of the screening mechanism in the utility model.

[0023] Figure 4 It is the structure schematic drawing of the trolley in the utility model.

[0024] Figure 5 It is the structure schematic drawing of the screen in the utility model.

[0025] Figure 6 It is the schematic diagram of fan and box body cooperation in the utility model.

[0026] Mark annotation: 100, box body;101, primary screening chamber;102, inlet;103, fan mounting hole;104, exhaust port;105, outlet;106, trolley installation groove;200, fan;300, trolley;301, sand discharge mounting hole;302, first screen;303, L-shaped slide rail;304, handle;305, motor fixed plate;306, first roller;307, side baffle;400, drive assembly;401, telescopic rod;402, push plate;500, rotating assembly;501, motor;502, rotating wheel;503, eccentric rod;504, connecting rod;600, moving screen;601, I-shaped slide plate;602, second roller;603, second screen;604, baffle;605, pin shaft mounting hole;606, pin shaft;700, counterflow fan. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the following is in combination with the drawings and example, and the utility model is further detailed.

[0028] In one embodiment, as Figure 1 And Figure 4As shown, a rice production screening device includes a housing 100; a trolley 300 is fitted below the housing 100, the trolley 300 includes a sand discharge mounting hole 301 opened in the trolley 300 to guide the sand and gravel discharge device; a first screen 302 is provided on the top of the sand discharge mounting hole 301 to further screen the sand and gravel; an L-shaped slide rail 303 is provided on each side of the first screen 302 to reserve space for the sliding of a movable screen 600; a handle 304 is provided on the side of the trolley 300 to facilitate pushing and pulling the trolley 300; a side baffle 307 is also provided on the side of the first screen 302 near the handle 304 to prevent falling rice from overflowing; a motor fixing plate 305 is also provided on the side of the trolley 300 away from the handle 304; four first rollers 306 are provided at the bottom of the trolley 300; a movable screen 600 is also fitted between the two L-shaped slide rails 303.

[0029] In one embodiment, such as Figure 5 As shown, the movable screen 600 includes an I-shaped sliding plate 601. Multiple second rollers 602 are symmetrically arranged on both sides of the I-shaped sliding plate 601, cooperating with the L-shaped slide rail 303 to allow the movable screen 600 to slide more smoothly on the upper surface of the trolley 300. A second screen 603 is also provided in the middle of the I-shaped sliding plate 601 for preliminary screening of sand and gravel. A baffle 604 is also provided on one side of the second screen 603 to prevent rice from spilling during the screening process. A pin mounting hole 605 is also provided on the side of the I-shaped sliding plate 601 near the motor fixing plate 305, and a pin 606 is fitted into the pin mounting hole 605 to fix the movable screen 600 and the rotating assembly 500 together.

[0030] In this embodiment, the movable screen 600 moves back and forth in the L-shaped slide rail 303 via the second roller 602, filtering the sand and gravel particles mixed in the rice onto the surface of the first screen 302, and the remaining sand and gravel particles are further filtered out by the first screen 302; at the same time, the rice remains on the surface of the second screen 603.

[0031] In one embodiment, such as Figure 3 As shown, a rotating assembly 500 is also provided on one side of the movable screen 600. The rotating assembly 500 includes a motor 501 fixedly connected to the motor fixing plate 305. The output end of the motor 501 is connected to a rotating wheel 502. An eccentric rod 503 is fixedly connected to the rotating wheel 502. A connecting rod 504 is rotatably connected to the eccentric rod 503. An installation hole is provided at the end of the connecting rod 504 away from the eccentric rod 503. The connection between the movable screen 600 and the rotating assembly 500 is completed by inserting a pin 606 into the installation hole.

[0032] In the embodiment, the motor 501 is started to drive the eccentric rod 503 to make eccentric motion, and the eccentric rod 503 pulls the moving screen 600 to make reciprocating motion in the L-shaped slide rail 303 through the connecting rod 504.

[0033] In one embodiment, as shown in the figure, Figure 2 The upper part of the box 100 is provided with a preliminary screening chamber 101, the top of the preliminary screening chamber 101 is provided with an inlet 102, one side of the preliminary screening chamber 101 is provided with a fan mounting hole 103, which is a reserved hole for the installation of the air guide assembly; the side of the preliminary screening chamber 101 away from the fan mounting hole 103 is provided with a plurality of equidistantly distributed exhaust ports 104 for discharging rice stalks and empty husked rice mixed in the rice; the preliminary screening chamber 101 is provided below with a discharge port 105 for discharging the rice to the surface of the second screen 603; the box 100 is further provided below with a trolley mounting groove 106 for placing the trolley 300.

[0034] In one embodiment, as shown in the figure, Figure 2 The positions of the inlet 102 and the discharge port 105 are staggered with each other, thereby prolonging the time of the rice in the preliminary screening chamber 101.

[0035] In one embodiment, as shown in the figure, Figure 2 The preliminary screening chamber 101 is further provided with a driving assembly 400, the driving assembly 400 includes a fixed end and a telescopic rod 401 connected to the inner wall of the preliminary screening chamber 101, and the telescopic end of the telescopic rod 401 is further provided with a push plate 402, the telescopic rod 401 pushes the push plate 402 to push the rice to the discharge port 105.

[0036] In one embodiment, as shown in the figure, Figure 2 The fan mounting hole 103 is further provided with an air guide assembly, which is a fan 200 for blowing the rice stalks and empty husked rice for preliminary screening.

[0037] In one embodiment, as shown in the figure, Figure 3 The second screen 603 has a larger aperture than the first screen 302, which can further screen the fine sand particles and intercept the rice falling from the second screen 603 in the screening process.

[0038] In one embodiment, as shown in the figure, Figure 6 The exhaust port 104 is further provided with a convection fan 700, the convection fan 700 and the fan 200 cooperate with each other to form convection, which can better blow away the impurities in the preliminary screening chamber 101.

[0039] Working principle: by the inlet 102 into the rice in the initial screening chamber 101, start fan 200, the initial screening, after a period of screening, and then start the telescopic rod 401, let the push plate 402 to the discharge port 105 and by the discharge port 105 fall to the surface of the second screen 603, at this time, in the motor 501, let the connecting rod 504 pull the moving screen 600 reciprocating motion, sand and stone screening; after the end of the screening, push out the cart 300, and pull out the pin shaft 606, the second screen 603 and the first screen 302 surface of the rice is poured out; at the same time, in order to prevent clogging, can be removed from the moving screen 600 and the first screen 302 for flushing.

[0040] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled in the art of the technical personnel in the technical range disclosed in the present application, can easily think of changes or replacement, should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A rice production screening apparatus comprising a housing (100); characterized in that, The box (100) is matched below a trolley (300), the trolley (300) includes a sand discharge mounting hole (301) being opened in trolley (300), the sand discharge mounting hole (301) top is equipped with a first screen (302), the first screen (302) both sides are equipped with an L-shaped slide rail (303), the side of the trolley (300) is equipped with a handle (304), the first screen (302) is close to the side of handle (304) still is equipped with a side baffle (307), the side of the trolley (300) is away from handle (304) still is equipped with a motor fixed plate (305), the trolley (300) bottom is equipped with four first rollers (306);Two L-shaped slide rails (303) are still matched with a movable screen (600) between.

2. A rice production screening apparatus according to claim 1, wherein, The movable screen (600) includes an I-shaped slide plate (601), the I-shaped slide plate (601) both sides are symmetrically equipped with a plurality of second rollers (602), the I-shaped slide plate (601) middle is still equipped with a second screen (603), the second screen (603) one side is still equipped with a baffle (604);The I-shaped slide plate (601) is close to the side of motor fixed plate (305) still is equipped with a pin shaft mounting hole (605), the pin shaft mounting hole (605) is matched with a pin shaft (606) in.

3. A rice production screening apparatus according to claim 2, wherein, The side of the movable screen (600) is still matched with a rotating assembly (500), the rotating assembly (500) includes a motor (501) being fixedly connected on the motor fixed plate (305), the output end of the motor (501) is connected with a rotating wheel (502), the rotating wheel (502) is fixedly connected with an eccentric rod (503), the eccentric rod (503) is rotatably connected with a connecting rod (504), the connecting rod (504) is away from the end of eccentric rod (503) and is equipped with a mounting hole.

4. A rice production screening apparatus according to claim 1, wherein, The upper portion of the box (100) is provided with a primary screening chamber (101), the top of the primary screening chamber (101) is provided with an inlet (102), one side of the primary screening chamber (101) is provided with a fan mounting hole (103), the side of the primary screening chamber (101) away from the fan mounting hole (103) is provided with a plurality of exhaust ports (104) distributed at equal intervals, and the lower portion of the primary screening chamber (101) is provided with a discharge port (105).

5. A rice production screening apparatus according to claim 4, wherein, The positions of the inlet (102) and the discharge port (105) are staggered.

6. A rice production screening apparatus according to claim 4, wherein, The primary screening chamber (101) is further provided with a driving assembly (400), the driving assembly (400) includes a telescopic rod (401) connected between the fixed end and the inner wall of the primary screening chamber (101), and a push plate (402) is further arranged on the telescopic end of the telescopic rod (401).

7. A rice production screening apparatus according to claim 4, wherein The fan mounting hole (103) is further provided with an air guide assembly, and the air guide assembly is a fan (200).

8. A rice production screening apparatus according to claim 2, wherein, The second screen (603) has a larger aperture than the first screen (302). The box (100) is matched below a trolley (300), the trolley (300) includes a sand discharge mounting hole (301) being opened in trolley (300), the sand discharge mounting hole (301) top is equipped with a first screen (302), the first screen (302) both sides are equipped with an L-shaped slide rail (303), the side of the trolley (300) is equipped with a handle (304), the first screen (302) is close to the side of handle (304) still is equipped with a side baffle (307), the side of the trolley (300) is away from handle (304) still is equipped with a motor fixed plate (305), the trolley (300) bottom is equipped with four first rollers (306);Two L-shaped slide rails (303) are still matched with a movable screen (600) between.

9. A rice production screening apparatus according to claim 4, wherein, A convection fan (700) is also provided in the air outlet (104).

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