Rice screening equipment

Abstract

The utility model provides rice screening equipment which comprises a box body and a feeding hopper arranged at the upper end of the box body and used for receiving and storing rice, a valve assembly used for controlling the discharging speed is arranged between the feeding hopper and the box body, and a vibration screening assembly used for screening the rice is installed in the box body. The vibration screening assembly comprises an obliquely-installed screen, the upper end and the lower end of the screen are elastically connected with the box through spring seats correspondingly, a vibrator is arranged at the corresponding position of the lower end of the screen, and a material discharging opening for receiving materials sliding down from the screen is formed in the lower end of the box. A valve assembly is arranged at the lower end of a feeding hopper of the device, telescopic movement of a sealing plate can be controlled through an electric cylinder so that the discharging speed can be controlled, rice can be guided into a screen in order, fine particles can rapidly penetrate through the screen to fall off through vibration of the screen, and the situation that the screening effect is affected due to accumulation is avoided; the suction assembly is externally connected with a dust remover so as to suck away dust and light impurities on the screen.

Description

Technical Field

[0001] The utility model relates to the technical field of rice processing equipment, in particular to rice screening equipment. Background Art

[0002] After rice is husked, the husk and impurities need to be removed, and the broken rice grains need to be screened out to ensure the quality of the rice. Currently, rice screening is generally carried out by rollers and vibrating screens. During the screening process, the material feeding speed is difficult to control, resulting in the accumulation of materials, resulting in unsatisfactory screening effects, low screening efficiency, and large dust during the screening process, which affects the processing efficiency of rice. Utility Model Content

[0003] The technical problem solved by the utility model is to provide a screening device with high rice screening efficiency and ideal screening effect, so as to solve the problems raised in the above-mentioned background technology.

[0004] The technical problem solved by the utility model is achieved by adopting the following technical scheme: a rice screening device, comprising a box body and a feed hopper arranged at the upper end of the box body for receiving and storing rice, a valve assembly for controlling the feeding speed is arranged between the feed hopper and the box body, a vibration screening assembly for screening rice is installed in the box body, the vibration screening assembly comprises an inclined installed screen, the upper and lower ends of the screen are elastically connected to the box body through spring seats respectively, a vibrator is arranged at the corresponding position of the lower end of the screen, a material discharge port for receiving material sliding off the screen is arranged at the lower end of the box body, the box body is also provided with an impurity discharge port for receiving material falling off the screen at one side of the material outlet, and a suction assembly is arranged at the upper end of the screen body to suck away dust and light impurities in the material.

[0005] As a further solution of the utility model:

[0006] The upper and lower ends of the screen are respectively provided with support plates, and are installed on corresponding spring seats through the support plates. Several groups of spring seats are distributed on the box body. The spring seat includes a seat plate fixedly connected to the box body and an elastic rod fixedly arranged on the seat plate. The support plate is provided with corresponding sliding holes corresponding to the elastic rod. The elastic rod penetrates the sliding holes of the support plate and is slidably connected. A compression spring is sleeved on the elastic rod. One end of the compression spring is against the seat plate, and the other end elastically presses against the support plate, so that the screen is elastically arranged.

[0007] As a further solution of the utility model:

[0008] The vibrator is installed at the middle position of the support plate at the lower end of the screen, so that the screen can vibrate to discharge materials and improve the filtering efficiency.

[0009] As a further solution of the utility model:

[0010] A material guide box is provided at the lower end of the feed hopper and is connected to the box body through the material guide box. An opening is provided at the upper end of the box body corresponding to the material guide box. A bracket plate is distributed on one side of the box body located at the material guide box, and the feed hopper is supported by the bracket plate.

[0011] As a further solution of the utility model:

[0012] The valve assembly includes a sealing plate inserted and installed on the material guide box, a push plate arranged at the outer end of the sealing plate, and a driving member for controlling the movement of the push plate. The material guide box is provided with a corresponding sliding sleeve corresponding to the sealing plate, and the sealing plate is inserted into the sliding sleeve to control the size of the internal opening of the material guide box, thereby controlling the material discharge speed.

[0013] As a further solution of the utility model:

[0014] The driving member includes an electric cylinder fixedly mounted on the bracket plate, the outer end of the output rod of the electric cylinder is fixedly connected to the push plate to push the sealing plate to telescopically move, guide rods are respectively provided on both sides of the push plate, and the bracket plate is provided with guide sleeves corresponding to the guide rods, and the guide rods are slidably installed in the guide sleeves to improve their stability.

[0015] As a further solution of the utility model:

[0016] The suction assembly includes suction pipes distributed on the box body, which suck the material on the screen to remove light impurities and dust. The suction pipe is externally connected to an air collecting chamber, which is connected to the dust collector at the outer end through a pipeline.

[0017] Compared with the prior art, the utility model has the following beneficial effects: a valve assembly is provided at the lower end of the feed hopper of the device, and the telescopic movement of the sealing plate can be controlled by an electric cylinder to control the feeding speed, so that the rice can be introduced into the screen in an orderly manner; the vibration setting of the screen enables fine particles to quickly pass through the screen and fall, avoiding accumulation that affects the screening effect; the suction assembly is connected to a dust collector through an external connection to suck away dust and light impurities on the screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0019] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2

[0020] Figure 3 It is a partial cross-sectional structural schematic diagram of the utility model;

[0021] Figure 4 for Figure 3 The enlarged structural diagram at A in the middle;

[0022] Markings in the figure: 1. Box body; 2. Feed hopper; 3. Air collecting chamber; 11. Screen; 12. Vibrator; 13. Material discharge port; 14. Impurity discharge port; 15. Support plate; 16. Base plate; 17. Spring rod; 18. Compression spring; 21. Material guide box; 22. Support plate; 23. Sealing plate; 24. Push plate; 25. Electric cylinder; 26. Guide rod; 31. Suction pipe. DETAILED DESCRIPTION

[0023] In order to make the technical means for realizing the utility model, creative features, objectives and effects easy to understand, the utility model is further explained below with reference to specific illustrations.

[0024] like Figures 1 to 4 As shown,

[0025] The present embodiment provides a rice screening device, comprising a box body 1 and a feed hopper 2 arranged at the upper end of the box body 1 for receiving and storing rice, a valve assembly for controlling the feeding speed is arranged between the feed hopper 2 and the box body 1, a vibration screening assembly for screening rice is installed in the box body 1, the vibration screening assembly comprises an inclined screen 11, the upper and lower ends of the screen 11 are elastically connected to the box body 1 through spring seats respectively, a vibrator 12 is arranged at the corresponding position of the lower end of the screen 11, a material discharge port 13 for receiving materials sliding off the screen 11 is arranged at the lower end of the box body 1, and an impurity discharge port 14 for receiving materials falling off the screen 11 is also arranged on the material outlet side of the box body 1, and a suction assembly is arranged at the upper end of the screen 11 of the box body 1 to suck away dust and light impurities in the material.

[0026] In this embodiment, support plates 15 are respectively provided at the upper and lower ends of the screen 11, and are installed on corresponding spring seats through the support plates 15. Several groups of spring seats are distributed on the box body 1, and the spring seats include a seat plate 16 fixedly connected to the box body 1 and a spring rod 17 fixedly arranged on the seat plate 16. The support plate 15 is provided with corresponding sliding holes corresponding to the spring rod 17. The spring rod 17 penetrates the sliding holes of the support plate 15 and is slidably connected. A compression spring 18 is sleeved on the spring rod 17, and one end of the compression spring 18 is against the seat plate 16, and the other end is elastically pressed against the support plate 15, so that the screen 11 is elastically arranged.

[0027] The vibrator 12 is installed at the middle position of the support plate 15 at the lower end of the screen 11, so that the screen 11 can vibrate to discharge materials and improve the filtering efficiency.

[0028] In this embodiment, a material guide box 21 is provided at the lower end of the feed hopper 2, and is connected to the box body 1 through the material guide box 21. An opening is provided at the upper end of the box body 1 corresponding to the material guide box 21. A bracket plate 22 is distributed on one side of the box body 1 located at the material guide box 21, and the feed hopper 2 is supported by the bracket plate 22.

[0029] The valve assembly includes a sealing plate 23 inserted and installed on the material guide box 21, a push plate 24 arranged at the outer end of the sealing plate 23, and a driving member for controlling the movement of the push plate 24. The material guide box 21 is provided with a corresponding sliding sleeve corresponding to the sealing plate 23, and the sealing plate 23 is inserted into the sliding sleeve to control the size of the internal opening of the material guide box 21, thereby controlling the material discharge speed.

[0030] The driving member includes an electric cylinder 25 fixedly mounted on the bracket plate 22. The outer end of the output rod of the electric cylinder 25 is fixedly connected to the push plate 24 to push the sealing plate 23 to telescopically move. Guide rods 26 are respectively provided on both sides of the push plate 24. The bracket plate 22 is provided with guide sleeves corresponding to the guide rods 26. The guide rods 26 are slidably installed in the guide sleeves to improve their stability.

[0031] In this embodiment, the suction assembly includes a suction pipe 31 distributed on the box body 1, which sucks the material on the screen 11 to remove light impurities and dust. The suction pipe 31 is externally connected to the air collecting chamber 3, and the air collecting chamber 3 is connected to the dust collector at the outer end through a pipeline.

[0032] The working principle of the utility model is as follows: rice is poured into the feed hopper 2 through a conveyor, etc., the feed hopper 2 controls the feeding speed through a valve assembly, so that the material falls onto the screen 11 in an orderly manner, and rolls down through the vibrating screen 11, and fine impurity particles fall into the impurity discharge port 14 through the screen 11 and are discharged, dust and light impurities are discharged through the suction assembly, and rice is discharged through the material discharge port 13, so that the rice is screened in an orderly manner, stacking is avoided, and the screening effect is improved.

[0033] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and the description only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will also have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents. It should be noted that in this article, if there are first and second relationship terms such as only used to distinguish one entity or operation from another entity or operation, it does not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the term "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those elements, but also includes other elements that are not explicitly listed, or also includes elements inherent to such process, method, article or equipment. Without more constraints, an element defined by the phrase "comprising a..." does not exclude the existence of other identical elements in the process, method, article or apparatus comprising the element.

Claims

1. A rice screening device, comprising a box body and a feeding hopper arranged at the upper end of the box body for receiving and storing rice, characterized in that: A valve assembly for controlling the material discharge speed is provided between the feed hopper and the box body, a vibrating screening assembly for screening rice is installed in the box body, the vibrating screening assembly includes an inclined screen, the upper and lower ends of the screen are elastically connected to the box body through spring seats, a vibrator is provided at the corresponding position of the lower end of the screen, a material discharge port for receiving material falling from the screen is provided at the lower end of the box body, an impurity discharge port for receiving material falling from the screen is also provided on the material outlet side of the box body, and a suction assembly is provided at the upper end of the screen of the box body to suck away dust and light impurities in the material.

2. A rice screening device according to claim 1, characterized in that: The upper and lower ends of the screen are respectively provided with support plates, and are installed on corresponding spring seats through the support plates. Several groups of spring seats are distributed on the box body. The spring seat includes a seat plate fixedly connected to the box body and an elastic rod fixedly arranged on the seat plate. The support plate is provided with corresponding sliding holes corresponding to the elastic rod. The elastic rod penetrates the sliding holes of the support plate and is slidably connected. A compression spring is sleeved on the elastic rod. One end of the compression spring is against the seat plate, and the other end elastically presses against the support plate, so that the screen is elastically arranged.

3. A rice screening device according to claim 2, characterized in that: The vibrator is installed in the middle of the support plate at the lower end of the screen.

4. A rice screening device according to claim 1, characterized in that: A material guide box is provided at the lower end of the feed hopper and is connected to the box body through the material guide box. An opening is provided at the upper end of the box body corresponding to the material guide box. A bracket plate is distributed on one side of the box body located at the material guide box, and the feed hopper is supported by the bracket plate.

5. A rice screening device according to claim 4, characterized in that: The valve assembly includes a sealing plate inserted and installed on the material guide box, a push plate arranged at the outer end of the sealing plate, and a driving member for controlling the movement of the push plate. The material guide box is provided with a corresponding sliding sleeve corresponding to the sealing plate, and the sealing plate is inserted into the sliding sleeve.

6. A rice screening device according to claim 5, characterized in that: The driving member includes an electric cylinder fixedly mounted on the bracket plate, the outer end of the output rod of the electric cylinder is fixedly connected to the push plate to push the sealing plate to telescopically move, guide rods are respectively provided on both sides of the push plate, and the bracket plate is provided with guide sleeves corresponding to the guide rods, and the guide rods are slidably mounted in the guide sleeves.

7. The rice screening device according to claim 1, characterized in that: The suction assembly includes a suction pipe distributed on the box body to suck the material on the screen. The suction pipe is externally connected to an air collecting chamber, and the air collecting chamber is connected to the dust collector at the outer end through a pipeline.

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