CN219664396U - Screening plant is used in rice production - Google Patents

Abstract

The utility model discloses a screening device for rice production, which comprises a screening box, a first screening frame, a second screening frame, a baffle plate and three conical blocks, wherein the top of the screening box is movably penetrated with a feed hopper, the first screening frame is fixedly arranged on the inner wall of the screening box, a first filter screen is fixedly arranged on the bottom surface of the inner wall of the first screening frame, sliding rods are fixedly arranged on two sides of the inner wall of the first filter screen respectively, sliding pipes are movably sleeved on the two sliding rods, a cleaning brush is fixedly arranged between the two sliding pipes, and an electric hydraulic telescopic rod is fixedly arranged on one side of the outer wall of the screening box.

Description

A screening device for rice production

Technical field

The utility model relates to the technical field of rice processing and production, and in particular to a screening device for rice production.

Background technique

Sieving is a method of separating particle groups according to particle size, specific gravity, chargeability, magnetism and other powder properties. The operation of using a perforated sieve surface to divide mixed materials of different particle sizes into various particle size levels is called sieving. , the existing technology (publication number: CN218309310U) proposes a rice husk screening equipment for rice processing and production, including a screening box, a first screening component, a second screening component, an installation frame, an air outlet, a fan and a dust removal box This utility model uses a motor to rotate the fan. When the rice is falling, the fan blows the chaff and other light debris mixed in the rice to the air outlet, and then enters the dust box through the air inlet. , the water body in the dust removal box is transported to multiple atomizing nozzles through a water pump, and water mist is sprayed through multiple atomizing nozzles at the same time, which can spray the gas, and the dust particles in the gas fall down with the liquid droplets, thereby achieving an effective With the best dust removal effect, the rice husks will also fall into the collection drawer, further realizing that the device can process impurities such as rice husks and dust blown out during the rice screening process, which can effectively prevent impurities such as rice husks and dust from spreading to the outside world. , which plays an effective role in protecting the health of staff and the regional environment.

There are still some shortcomings in the existing screening device. When the first filter screen is vibrated, the remaining impurities are easy to accumulate on the surface of the filter screen. When new rice enters later, it is easy to pile up with the old impurities, which reduces the screening efficiency. Device usage efficiency. After the first filter vibrates and screens the rice in the device in the prior art, the unscreened rice and impurities will remain on the first filter, and the device in the prior art is inconvenient to filter these remaining impurities and rice. Therefore, after re-injecting the rice to be screened, it is easy to reduce the rice screening efficiency, so there are certain shortcomings.

Utility model content

The purpose of this utility model is to propose a screening device for rice production in order to solve the shortcomings existing in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical solutions:

A screening device for rice production, including a screening box, a first screening frame, a second screening frame, a baffle and three conical blocks. A feeding hopper is movable through the top of the screening box. The first screening frame is fixedly installed on the inner wall of the screening box. The first filter screen is fixedly installed on the bottom surface of the inner wall of the first screening frame. Slide rods are fixedly installed on both sides of the inner wall of the first filter screen. There are sliding tubes movably connected to the two sliding rods. A cleaning brush is fixedly installed in the middle of the two sliding tubes. An electro-hydraulic telescopic rod is fixedly installed on one side of the outer wall of the screening box. The electro-hydraulic telescopic rod is fixedly installed on one side of the outer wall of the screening box. The output end of the rod penetrates the inner wall of the screening box and is fixedly connected to the cleaning brush. A discharge plate is fixedly installed on one side of the first screening frame, and the first vibration is fixedly installed symmetrically on the left and right at the bottom of the first screening frame. The inner wall of the screening box is fixedly installed with electric push rods on both sides of the lower part of the first screening frame. The moving ends of the two electric push rods are respectively fixedly connected with fixed blocks. The two fixed blocks A fixed rod is fixedly installed in between, the three conical blocks are fixedly penetrated on the outer wall of the fixed rod, and a number of dredging rods are fixedly installed on the tops of the three conical blocks.

Preferably, one end of the baffle is fixedly installed on one side inside the screening box, and the other end of the baffle overlaps the top of the first screening frame.

Preferably, a first collection box is fixedly installed on the top of the second collection box, and one end of the discharge plate is fixedly penetrated through one side of the first collection box.

Preferably, a mounting frame is installed through the left end side wall of the screening box, a second collection box is fixedly installed on the right side of the screening box, and an air outlet is provided through the upper left end of the second collection box. The installation frame and the air outlet are connected to each other. The second screening frame is fixedly installed on the lower side of the conical block. A second filter screen is fixedly installed on the bottom end of the inner wall of the second screening frame. The second screening frame Second vibrators are fixedly installed symmetrically on the left and right sides of the bottom of the sub-frame.

Preferably, the installation frame and the air outlet are located between the second screening frame and the cone block, and a fan is fixedly installed inside the installation frame.

Preferably, the size of the first filter mesh is larger than the size of the second filter mesh.

Preferably, a collection frame is slidably installed on the inner bottom surface of the screening box.

The utility model has the following beneficial effects:

1. This utility model installs an electro-hydraulic telescopic rod, a sliding rod and a cleaning brush. When the first filter screen is vibrated and too much impurities accumulate on the surface, the electro-hydraulic telescopic rod drives the cleaning brush to move through the sliding rod to remove the accumulation. The impurities on the surface are cleaned to prevent clogging of the filter holes, making it easier for new rice to enter, and improving the efficiency of the screening device.

2. This utility model installs an electric push rod, a cone-shaped block and a dredge rod. When the first filter screen is clogged, the electric push rod drives the cone-shaped block and the dredge rod to move up and down to clear the holes on the first filter screen. Prevent clogging.

Description of drawings

Figure 1 is a schematic diagram of the overall structure proposed by the present utility model;

Figure 2 is a schematic cross-sectional structural diagram of the utility model;

Figure 3 is a schematic diagram of the explosion structure proposed by the present utility model;

Figure 4 is a schematic top view of the structure proposed by the present utility model.

In the picture: 1. Screening box; 2. Feed hopper; 3. First screening frame; 301. Baffle; 302. Electro-hydraulic telescopic rod; 4. First filter; 5. Slider; 6. Cleaning Brush; 7. Slide tube; 8. Discharge plate; 801. First collection box; 9. First vibrator; 10. Fixed block; 11. Electric push rod; 12. Fixed rod; 13. Conical block; 14 , dredge rod; 15. Installation frame; 16. Air outlet; 17. Second collection box; 18. Second screening frame; 19. Second filter; 20. Second vibrator; 21. Collection frame.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example.

Referring to Figures 1-4, a screening device for rice production includes a screening box 1, a first screening frame 3, a second screening frame 18, a baffle 301 and three conical blocks 13. A feed hopper 2 is movable through the top of the box 1. The first screening frame 3 is fixedly installed on the inner wall of the screening box 1. The first filter screen 4 is fixedly installed on the bottom surface of the inner wall of the first screening frame 3. Slide rods 5 are respectively fixedly installed on both sides of the inner wall of the first filter screen 4. Slide tubes 7 are movably connected to the two slide rods 5, and a cleaning brush is fixedly installed in the middle of the two slide tubes 7. 6. An electro-hydraulic telescopic rod 302 is fixedly installed on one side of the outer wall of the screening box 1. The output end of the electro-hydraulic telescopic rod 302 penetrates the inner wall of the screening box 1 and is fixedly connected to the cleaning brush 6. The first screening A discharge plate 8 is fixedly installed on one side of the frame 3. A first vibrator 9 is fixedly installed on the left and right sides of the bottom of the first screening frame 3. The inner wall of the screening box 1 is located at the lower part of the first screening frame 3. Electric push rods 11 are fixedly installed on both sides of the electric push rods 11. The moving ends of the two electric push rods 11 are respectively fixedly connected with fixed blocks 10. A fixed rod 12 is fixedly installed between the two fixed blocks 10. The cone-shaped blocks 13 are fixedly penetrated through the outer wall of the fixed rod 12, and a plurality of dredge rods 14 are respectively fixedly installed on the tops of the three cone-shaped blocks 13.

In the present utility model, one end of the baffle 301 is fixedly installed on one side inside the screening box 1 , and the other end of the baffle 301 overlaps the top of the first screening frame 3 .

In the present utility model, a first collection box 801 is fixedly installed on the top of the second collection box 17 , and one end of the discharge plate 8 is fixedly penetrated through one side of the first collection box 801 .

In the present utility model, a mounting frame 15 is installed through the left end side wall of the screening box 1, a second collection box 17 is fixedly installed on the right side of the screening box 1, and an air exhaust port 16 is provided through the upper left end of the second collection box 17. The installation frame 15 and the air outlet 16 are connected with each other. The second screening frame 18 is fixedly installed on the lower side of the conical block 13. The second filter screen 19 is fixedly installed on the bottom end of the inner wall of the second screening frame 18. The second vibrators 20 are respectively fixedly mounted on the bottom of the sub-frame 18 symmetrically on the left and right sides.

In the present utility model, the installation frame 15 and the air outlet 16 are located between the second screening frame 18 and the cone block 13, and a fan is fixedly installed inside the installation frame 15.

In the present utility model, the size of the mesh of the first filter screen 4 is larger than the size of the mesh of the second filter screen 19 .

In the present utility model, a collection frame 21 is slidably installed on the inner bottom surface of the screening box 1 .

Usage methods and advantages of the utility model: When this kind of screening device for rice production is used, the working process is as follows:

As shown in Figure 1, Figure 2, Figure 3 and Figure 4, when using this device, first the rice enters the screening box 1 through the feeding hopper 2, falls into the first screening frame 3, and passes through two The first vibrator 9 vibrates the first screening frame 3. The intact rice and small impurity particles pass through the first filter 4 and fall onto the second filter 19, while the large impurity particles larger than the intact rice remain on the second filter screen 19. On the first filter screen 4, when too many impurities accumulate on the surface of the first filter screen 4, the electro-hydraulic telescopic rod 302 is opened, and the electro-hydraulic telescopic rod 302 drives the cleaning brush 6 to move through the sliding rod 5. At this time, pairs of cleaning brushes 6 are accumulated on the first filter screen 4. The impurities on the surface are cleaned, and the impurities cleaned to the other side slide through the discharge plate 8 into the first collection box 801. In order to prevent the impurities that have not been cleaned on the first filter screen 4, the impurities can be passed through the cone block 13 The dredge rod 14 on the first filter screen 4 is used to dredge the filter holes on the first filter screen 4. When the rice is falling, it is blown by the fan in the installation frame 15, and the chaff and other light impurities mixed in the rice are blown to the The air outlet 16 enters the second collection box 17 through the air outlet 16, and the second filter screen 19 is vibrated by the two second vibrators 20. The intact rice falls into the collection box 21 along the second filter screen 19. Inside.

The above are only preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person familiar with the technical field can, within the technical scope disclosed by the present utility model, implement the present utility model according to the present utility model. Novel technical solutions and utility model concepts, including equivalent substitutions or changes, shall be covered by the protection scope of the present utility model.

Claims (7)

1. The utility model provides a screening plant for rice production, includes screening case (1), first screening frame (3), second screening frame (18), baffle (301) and three toper piece (13), a serial communication port, screening case (1) top activity is run through has feeder hopper (2), first screening frame (3) fixed mounting is on the inner wall of screening case (1), the inner wall bottom surface fixed mounting of first screening frame (3) has first filter screen (4), the inner wall both sides of first filter screen (4) are fixed mounting respectively has slide bar (5), two all movable sleeve has slide tube (7) on slide bar (5), two the centre fixed mounting of slide tube (7) has cleaning brush (6), one side fixed mounting electric hydraulic telescoping rod (302) of screening case (1) outer wall, one side fixed connection of cleaning brush (6) is run through the inner wall of screening case (1) of electric hydraulic telescoping rod (302), one side fixed mounting has flitch (8) of first screening frame (3), first screening frame (3) are fixed mounting has slide bar (7) respectively, two side fixed mounting has on the inner wall (3) of first screen (3) are located the fixed mounting of a vibrating frame (3) respectively, the movable ends of the two electric push rods (11) are fixedly connected with fixed blocks (10) respectively, fixed rods (12) are fixedly installed between the two fixed blocks (10), three conical blocks (13) fixedly penetrate through the outer wall of the fixed rods (12), and a plurality of dredging rods (14) are fixedly installed at the tops of the three conical blocks (13) respectively.

2. A screening device for rice production according to claim 1, wherein one end of the baffle plate (301) is fixedly arranged on one side surface inside the screening box (1), and the other end of the baffle plate (301) is lapped on the top of the first screening frame (3).

3. The screening device for rice production according to claim 1, wherein a mounting frame (15) is installed on the left end side wall of the screening box (1) in a penetrating manner, a second collecting box (17) is fixedly installed on the right side of the screening box (1), a first collecting box (801) is fixedly installed on the top of the second collecting box (17), and one end of the discharging plate (8) is fixedly penetrated through one side surface of the first collecting box (801).

4. A screening device for rice production according to claim 3, wherein the upper side of the left end of the second collecting box (17) is provided with an air outlet (16) in a penetrating way, the mounting frame (15) is communicated with the air outlet (16), the second screening frame (18) is fixedly arranged on the lower side of the conical block (13), the bottom end of the inner wall of the second screening frame (18) is fixedly provided with a second filter screen (19), and the bottoms of the second screening frames (18) are symmetrically and respectively fixedly provided with a second vibrator (20).

5. A screening device for rice production according to claim 4, wherein the mounting frame (15) and the air outlet (16) are located between the second screening frame (18) and the conical block (13), and a fan is fixedly mounted inside the mounting frame (15).

6. A screening device for rice production according to claim 1, wherein the first screen (4) has a larger mesh size than the second screen (19).

7. A screening device for rice production according to claim 1, wherein the inner bottom surface of the screening box (1) is slidably provided with a collecting frame (21).