Screening machine for rice processing

Abstract

The utility model relates to the technical field of rice processing, and discloses a screening machine for rice processing, which comprises a mounting seat, a rubber pad is fixedly connected to the lower surface of the mounting seat, anti-slip lines are arranged on the lower surface of the rubber pad, and the rubber pad can provide stable support and prevent toppling while protecting the ground. A screening barrel is fixedly connected to the middle of the upper surface of the mounting base, a large-particle sliding groove is fixedly connected to the middle of the other side face of the screening barrel, and a rice sliding groove is fixedly connected to the lower portion of the large-particle sliding groove. Compared with the prior art, the rice screening device has the following advantages and effects that through the arrangement of the screening barrel, the hot air bin and the negative pressure filter, a worker pours rice into the screening barrel from the feeding opening, the servo motor drives the large-particle screen and the rice screen to rotate for screening, at the moment, hot air is blown into the screening barrel of the hot air bin, water is taken away, and the water is discharged from the negative pressure filter; the effect of drying the rice is achieved.

Description

Technical Field

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

[0002] Rice is a finished product made from paddy rice after processes such as cleaning, husking, milling and finishing. The cleaning process is to use suitable equipment, appropriate process flow and proper operation methods to remove various impurities mixed in the rice to improve the quality of the finished rice product. At the same time, magnets are used to remove iron nails, iron filings, etc. in the rice to ensure production safety.

[0003] According to Chinese patent number CN109954649A, a processing impurity removal multi-stage screening machine is provided, which belongs to the field of rice processing, comprises an outer cylinder, an inner cylinder is fixedly welded between the left and right inner walls of the outer cylinder, a feed port is fixedly connected to the upper end of the outer cylinder, a motor is fixedly connected to the left end of the outer cylinder, an output end of the motor passes through the shaft hole and is fixedly connected to a transmission roller through a coupling, a plurality of evenly distributed small impurity holes are drilled on the circumferential surface of the inner cylinder, a small impurity outlet is drilled at the lower end of the outer cylinder, a first outlet, a second outlet, a third outlet and a large impurity outlet are fixedly connected to the lower end of the inner cylinder from left to right in sequence, a first screen, a second screen and a third screen are fixedly connected to the holes on the inner walls of the first outlet, the second outlet and the third outlet, respectively, three vibration motors are fixedly connected to the inner bottom end of the outer cylinder, the structure is simple and compact, the design is ingenious, the operation is convenient, there is no need to perform cumbersome multi-stage processing on brown rice, and the cost is low.

[0004] The above patent has the effect of simple structure, but lacks the equipment for drying rice, and cannot be smoothly screened when rice sticks. Utility Model Content

[0005] The utility model aims to provide a screening machine for rice processing, which has the effect of drying rice.

[0006] The above technical object of the utility model is achieved by the following technical solutions: A screening machine for rice processing, including a mounting base, the middle of the upper surface of the mounting base is fixedly connected with a screening barrel, the center of the upper surface of the screening barrel is fixedly connected with a servo motor, the output end of the servo motor is fixedly connected with a rotating rod, the middle of the rotating rod is fixedly connected with a large particle screen, the bottom of the rotating rod is fixedly connected with a rice screen, the upper part of one side surface of the screening barrel is fixedly connected with a feed inlet, a screw feeder is arranged below the feed inlet, the front of the screening barrel is fixedly connected with a hot air bin, the front of the hot air bin is fixedly connected with a filter screen, the inner wall of the hot air bin is fixedly connected with a positive pressure fan, one side of the inner wall of the hot air bin is fixedly connected with a heating wire, the back of the screening barrel is fixedly connected with a negative pressure pipe, one end of the negative pressure pipe is fixedly connected with a negative pressure filter, and a debris bin is arranged at the bottom of the screening barrel.

[0007] By adopting the above technical solutions, through the settings of the screening barrel, the hot air bin and the negative pressure filter, the staff pours the rice into the screening barrel from the feed inlet, the servo motor drives the large particle screen and the rice screen to rotate for screening. At this time, hot air is blown into the interior of the screening barrel of the hot air bin to take away moisture and is discharged from the negative pressure filter, achieving the effect of drying the rice.

[0008] The further setting of the utility model is: The lower surface of the mounting base is fixedly connected with a rubber pad, and anti-slip lines are arranged on the lower surface of the rubber pad.

[0009] By adopting the above technical solutions, the setting of the rubber pad can provide stable support while protecting the ground and prevent tipping.

[0010] The further setting of the utility model is: The middle of the other side surface of the screening barrel is fixedly connected with a large particle chute, and a rice chute is fixedly connected below the large particle chute.

[0011] By adopting the above technical solutions, the settings of the large particle chute and the rice chute can discharge the large particle impurities and rice separately after screening, realizing the basic discharging function of the device.

[0012] The further setting of the utility model is: Plug plates are arranged on the upper surface of the large particle chute, the number of the plug plates is two, and the other plug plate is arranged on the upper surface of the rice chute.

[0013] By adopting the above technical solutions, the setting of the plug plates can prevent the rice or large particle impurities from being discharged when the screening is not completed, improving the screening effect of the device.

[0014] The further setting of the utility model is: Slide rails are arranged on the outer surface of the large particle screen, and the outer surfaces of the slide rails are fixedly connected to the inner wall of the screening barrel.

[0015] By adopting the above technical solution, the setting of the slide rail can prevent rice leakage and interference with the discharge of large particle impurities while keeping the large particle screen rotating stably.

[0016] A further setting of the present utility model is that one end of the auger feeding cylinder is fixedly connected to the upper surface inside the screening barrel, and a rotating baffle is arranged on the upper surface inside the screening barrel.

[0017] By adopting the above technical solution, the settings of the auger feeding cylinder and the rotating baffle can reduce the feeding speed and prevent rice from splashing.

[0018] A further setting of the present utility model is that the number of the hot air bins is two, and the two hot air bins are fixedly connected to the front of the screening barrel in a linear array form.

[0019] By adopting the above technical solution, the setting of the hot air bins can ensure the heating efficiency of different layers and improve the drying effect.

[0020] A further setting of the present utility model is that the negative pressure filter includes a negative pressure fan, and one end of the negative pressure fan is fixedly connected to the filter box.

[0021] By adopting the above technical solution, the setting of the negative pressure filter can discharge moist air while simply removing dust, improving the adaptability of the device.

[0022] A further setting of the present utility model is that a dust removal filter plate is fixedly installed inside the filter box, and a louver is fixedly connected to the back of the filter box.

[0023] By adopting the above technical solution, the setting of the dust removal filter plate can isolate dust and prevent dust from entering the screening barrel, and the setting of the louver can block part of the dust and prevent it from entering the device.

[0024] A further setting of the present utility model is that a valve is fixedly connected to the lower surface of the debris bin.

[0025] By adopting the above technical solution, the settings of the debris bin and the valve facilitate the collection of debris and the control of debris discharge.

[0026] The beneficial effects of the present utility model are as follows: Through the settings of the screening barrel, the hot air bins and the negative pressure filter, the staff pours rice into the screening barrel from the feed inlet, and the servo motor drives the large particle screen and the rice screen to rotate for screening. At this time, hot air is blown into the screening barrel by the hot air bins to take away moisture and is discharged from the negative pressure filter, achieving the effect of drying rice. Description of the Drawings

[0027] To more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the attached drawings required in the description of the embodiments. Obviously, the attached drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other attached drawings can be obtained based on these drawings.

[0028] Figure 1 Isometric structure schematic diagram of the present utility model;

[0029] Figure 2 Sectional structure schematic diagram of the screening bucket of the present utility model;

[0030] Figure 3 Sectional structure schematic diagram of the hot air bin of the present utility model;

[0031] Figure 4 Sectional structure schematic diagram of the negative pressure filter of the present utility model.

[0032] In the figure, 1, mounting seat; 2, screening bucket; 3, servo motor; 4, rotating rod; 5, large particle sieve; 6, rice sieve; 7, feed inlet; 8, auger feeding tube; 9, hot air bin; 10, filter screen; 11, positive pressure fan; 12, heating wire; 13, negative pressure pipe; 14, negative pressure filter; 15, debris bin; 16, rubber pad; 17, large particle chute; 18, rice chute; 19, plug board; 20, slide rail; 21, rotating baffle; 22, dust removal filter plate; 23, shutter; 24, valve; 1401, negative pressure fan; 1402, filter box. Specific embodiments

[0033] The following will clearly and completely describe the technical solutions of the present utility model in combination with specific embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, rather than 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 efforts belong to the scope of protection of the present utility model.

[0034] Refer to Figures 1-4, a screening machine for rice processing, including a mounting base 1. A rubber pad 16 is fixedly connected to the lower surface of the mounting base 1. Anti-slip patterns are provided on the lower surface of the rubber pad 16. The rubber pad is provided to provide stable support while protecting the ground and prevent tipping. In the middle of the upper surface of the mounting base 1, a screening barrel 2 is fixedly connected. In the middle of the other side of the screening barrel 2, a large particle chute 17 is fixedly connected. Below the large particle chute 17, a rice chute 18 is fixedly connected. The settings of the large particle chute and the rice chute can discharge large particle impurities and rice separately after screening, realizing the basic discharging function of the device. On the upper surface of the large particle chute 17, there is an insertion plate 19. The number of insertion plates 19 is two. The other insertion plate 19 is arranged on the upper surface of the rice chute 18. The insertion plate is provided to prevent the discharge of rice or large particle impurities when the screening is not completed, improving the screening effect of the device. At the center of the upper surface of the screening barrel 2, a servo motor 3 is fixedly connected. The output end of the servo motor 3 is fixedly connected to a rotating rod 4. In the middle of the rotating rod 4, a large particle screen 5 is fixedly connected. On the outer surface of the large particle screen 5, there is a slide rail 20. The outer surface of the slide rail 20 is fixedly connected to the inner wall of the screening barrel 2. The slide rail is provided to keep the large particle screen rotating stably while preventing rice leakage and interfering with the discharge of large particle impurities. At the bottom of the rotating rod 4, a rice screen 6 is fixedly connected. Above one side of the screening barrel 2, a feed inlet 7 is fixedly connected. Below the feed inlet 7, there is a screw feeder chute 8. One end of the screw feeder chute 8 is fixedly connected to the upper surface inside the screening barrel 2. Inside the screening barrel 2, on the upper surface, there is a rotating baffle 21. The settings of the screw feeder chute and the rotating baffle can reduce the feeding speed and prevent rice from splashing. On the front of the screening barrel 2, there are two hot air chambers 9 fixedly connected in a linear array. The hot air chambers are provided to ensure the heating efficiency of different layers and improve the drying effect. On the front of the hot air chamber 9, a filter screen 10 is fixedly connected. Inside the hot air chamber 9, a positive pressure fan 11 is fixedly connected to the inner wall. On one side of the inner wall of the hot air chamber 9, an electric heating wire 12 is fixedly connected. On the back of the screening barrel 2, a negative pressure pipe 13 is fixedly connected. One end of the negative pressure pipe 13 is fixedly connected to a negative pressure filter 14. The negative pressure filter 14 includes a negative pressure fan 1401. One end of the negative pressure fan 1401 is fixedly connected to a filter box 1402. The negative pressure filter is provided to discharge moist air while simply removing dust and improving the adaptability of the device. Inside the filter box 1402, a dust removal filter plate 22 is fixedly installed. On the back of the filter box 1402, a shutter 23 is fixedly connected. The dust removal filter plate is provided to isolate dust and prevent dust from entering the screening barrel. The shutter is provided to block part of the dust and prevent it from entering the device. At the bottom of the screening barrel 2, there is a debris bin 15. A valve 24 is fixedly connected to the lower surface of the debris bin 15. The settings of the debris bin and the valve facilitate the collection of debris and control the discharge of debris.

[0035] In the present utility model, the staff pours rice into the screening barrel 2 from the feed inlet 7. The servo motor 3 drives the large particle screen 5 and the rice screen 6 to rotate for screening. At this time, the hot air bin 9 blows hot air into the interior of the screening barrel 2 to take away moisture and discharge it from the negative pressure filter. After screening, the plug board 19 is pulled out and discharged from the corresponding chute, realizing the drying of rice during screening.

[0036] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A rice processing screening machine, comprising a mounting base (1), characterized in that: A screening barrel (2) is fixedly connected to the middle of the upper surface of the mounting seat (1), a servo motor (3) is fixedly connected to the center of the upper surface of the screening barrel (2), a rotating rod (4) is fixedly connected to the output end of the servo motor (3), a large particle screen (5) is fixedly connected to the middle of the rotating rod (4), a rice screen (6) is fixedly connected to the bottom of the rotating rod (4), a feed port (7) is fixedly connected to the upper side of one side of the screening barrel (2), and an auger discharge barrel (7) is provided below the feed port (7). 8), a hot air bin (9) is fixedly connected to the front of the screening barrel (2), a filter screen (10) is fixedly connected to the front of the hot air bin (9), a positive pressure fan (11) is fixedly connected to the inner wall of the hot air bin (9), a heating wire (12) is fixedly connected to one side of the inner wall of the hot air bin (9), a negative pressure pipe (13) is fixedly connected to the back of the screening barrel (2), one end of the negative pressure pipe (13) is fixedly connected to a negative pressure filter (14), and a debris bin (15) is provided at the bottom of the screening barrel (2).

2. A rice processing screening machine according to claim 1, characterized in that: A rubber pad (16) is fixedly connected to the lower surface of the mounting seat (1), and anti-slip grooves are provided on the lower surface of the rubber pad (16).

3. A rice processing screening machine according to claim 1, characterized in that: A large particle chute (17) is fixedly connected to the middle of the other side of the screening barrel (2), and a rice chute (18) is fixedly connected below the large particle chute (17).

4. A rice processing screening machine according to claim 3, characterized in that: The upper surface of the large particle chute (17) is provided with an insert plate (19), the number of the insert plates (19) is two, and the other insert plate (19) is provided on the upper surface of the rice chute (18).

5. A rice processing screening machine according to claim 1, characterized in that: The outer surface of the large particle screen (5) is provided with a slide rail (20), and the outer surface of the slide rail (20) is fixedly connected to the inner wall of the screening barrel (2).

6. A rice processing screening machine according to claim 1, characterized in that: One end of the auger discharge barrel (8) is fixedly connected to the upper surface of the interior of the screening barrel (2), and a rotating baffle (21) is provided on the upper surface of the interior of the screening barrel (2).

7. A rice processing screening machine according to claim 1, characterized in that: The number of the hot air bins (9) is two, and the two hot air bins (9) are fixedly connected to the front side of the screening barrel (2) in the form of a linear array.

8. A rice processing screening machine according to claim 1, characterized in that: The negative pressure filter (14) comprises a negative pressure fan (1401), and one end of the negative pressure fan (1401) is fixedly connected to a filter box (1402).

9. A rice processing screening machine according to claim 8, characterized in that: A dust removal filter plate (22) is fixedly installed inside the filter box (1402), and a shutter (23) is fixedly connected to the back of the filter box (1402).

10. A rice processing screening machine according to claim 1, characterized in that: A valve (24) is fixedly connected to the lower surface of the debris bin (15).

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