Rice classifying screen

Abstract

The utility model relates to the technical field of rice processing, and discloses a rice classifying screen which comprises a classifying screen case, a first discharging port is formed in one side face of the classifying screen case, a second discharging port is formed below the first discharging port, and classified and screened rice can be conveniently collected through the arrangement of the first discharging port and the second discharging port. And a supporting frame is fixedly connected to the lower surface of the classifying screen case, a rubber pad is fixedly connected to the lower surface of the supporting frame, and anti-skid lines are formed in the lower surface of the rubber pad. The rice grading device has the following advantages and effects that through the arrangement of the rice brush, the dust removal head and the dust removal box, a worker pours rice into the feeding opening, dust on the rice is brushed up under the combined action of the material guide plate and the rice brush, the rice is discharged to the first grading sieve plate and the second grading sieve plate, the dust is vibrated up through the vibration motor, and the dust removal effect is achieved. And the dust removal head sucks the vibrated dust into the dust removal box, so that the rice dust removal effect is achieved.

Description

Technical Field

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

[0002] Rice is a finished product made from paddy rice after processes such as cleaning, husking, milling, and finishing. Rice grading is an important step in the rice processing process. Rice grading mainly involves grading and sorting the finished rice, extracting broken rice that exceeds the requirements, and grading it according to the different sizes of rice. At present, the machine used for rice grading is a grading screen.

[0003] According to Chinese patent number CN214021819U, a flat-rotating white rice grading screen is provided, which belongs to the technical field of white rice processing, and includes a support seat, a support column at the end of the support seat, a white rice grading screen shell at the top of the support column, a plurality of screens inside the white rice grading screen shell, rice outlet chutes at positions corresponding to the screens on both sides of the white rice grading screen shell, a plug-in piece on the side of the rice outlet chute close to the screen, and a plurality of receiving slide rails inside the white rice grading screen shell. The utility model has a plug-in piece at the end of the outlet chute, which is inserted into the rice outlet chute when in use to seal the rice outlet chute to prevent rice from being thrown out during rotation. After the grading is completed, the plug-in piece is pulled out to facilitate the rice to flow out of the rice outlet chute; the utility model has a receiving slide rail inside the flat-rotating white rice grading screen, and a sliding connection structure is set between the receiving slide rail and the screen to prevent the screen from tilting due to uneven force, and the internal circular slide rail does not affect the rotation of the screen.

[0004] The above patent has good sealing and grading screening effects, but it is difficult to remove the dust carried by the rice during use, which is very inconvenient. Utility Model Content

[0005] The utility model aims to provide a rice grading screen which has the effect of removing dust carried by rice.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: a rice grading screen, comprising a grading screen chassis, a support frame is fixedly connected to the lower surface of the grading screen chassis, a feed port is fixedly connected to one end of the upper surface of the grading screen chassis, a rice brush is provided on the inner wall of the feed port, a dust removal duct is fixedly connected to the upper surface of the grading screen chassis, a dust removal head is fixedly connected to one end of the dust removal duct, a turbine fan is fixedly connected to the other end of the dust removal duct, a dust removal box is fixedly connected to the lower surface of the turbine fan, a first grading sieve plate is provided below the feed port, a second grading sieve plate is fixedly connected to the lower surface of the first grading sieve plate, and a crushed material bin is provided at the bottom of the interior of the grading screen chassis.

[0007] By adopting the above technical solution, through the arrangement of the rice brush, the dust removal head and the dust removal box, the staff pours the rice into the feed port, and under the joint action of the guide plate and the rice brush, the dust on the rice is brushed off, and the rice is discharged onto the first grading sieve plate and the second grading sieve plate, the vibration motor vibrates the dust, and the dust removal head sucks the vibrated dust into the dust removal box, thereby completing the dust removal effect on the rice.

[0008] The utility model is further configured as follows: a first discharge port is provided on one side of the grading screen chassis, and a second discharge port is provided below the first discharge port.

[0009] By adopting the above technical solution, the first discharge port and the second discharge port are arranged to facilitate the collection of graded and screened rice, thereby improving the performance of the device.

[0010] The utility model is further configured as follows: a rubber pad is fixedly connected to the lower surface of the support frame, and an anti-slip pattern is provided on the lower surface of the rubber pad.

[0011] By adopting the above technical solution, the provision of the rubber pad can increase the friction between the device and the ground, reduce damage to the ground, make the device more stable, and prevent it from tipping over.

[0012] The utility model is further configured as follows: the rice brush comprises a motor, and an output end of the motor is fixedly connected to a brush cylinder.

[0013] By adopting the above technical solution, the rice brush can be used to brush the rice, brush off the dust on the surface of the rice, facilitate dust removal, and at the same time stir the rice to prevent clogging.

[0014] The utility model is further configured as follows: a filter cartridge layer is arranged inside the dust removal box, and a filter screen is fixedly connected to one side of the dust removal box.

[0015] By adopting the above technical solution, the filter cartridge layer can filter and collect dust, and the filter screen can simply isolate the internal and external environments to prevent dust from entering the device and reducing the dust removal effect.

[0016] The utility model is further configured as follows: the filter cartridge layer comprises a large filter cartridge, and a small filter cartridge is arranged inside the large filter cartridge.

[0017] By adopting the above technical solution, the arrangement of the filter cartridge layers can achieve graded filtration, thereby improving the filtering effect of the device and increasing its service life.

[0018] The utility model is further configured as follows: the number of the filter screens is four, and the four filter screens are fixedly connected to the front side, the back side, one side and the other side of the dust removal box.

[0019] By adopting the above technical solution, the setting of the filter can fully discharge the air, improve the use efficiency of the turbo fan, and thus improve the dust removal effect.

[0020] The utility model is further configured as follows: the first grading screen plate comprises a grading screen plate, a lower surface of the grading screen plate is fixedly connected to a vibration motor, and a lower surface of one end of the grading screen plate is fixedly connected to a shock-absorbing support.

[0021] By adopting the above technical solution, the first grading screen plate can be arranged to grade and screen the rice, while reducing the vibration of the device itself and improving the stability.

[0022] The utility model is further configured as follows: the number of the vibration motors is two, and the upper surface of the grading screen plate is provided with screen holes.

[0023] By adopting the above technical solution, the setting of two vibration motors can improve the efficiency of vibration screening, thereby improving production efficiency. The setting of the screen holes facilitates the screened rice to fall to the lower layer, ensuring normal screening work of the device.

[0024] The utility model is further configured as follows: a valve is fixedly connected to the lower surface of the crushing bin, and a material guide plate is fixedly connected below the inner wall of the feed inlet.

[0025] By adopting the above technical solution, the valve is arranged to facilitate the discharge of debris, and the guide plate is arranged to facilitate the guidance of rice, so that the rice falls onto the upper surface of the first grading screen plate, while providing a space for the rice brush to brush the rice.

[0026] The beneficial effects of the utility model are as follows: through the arrangement of the rice brush, the dust removal head and the dust removal box, the staff pours the rice into the feed inlet, and under the joint action of the guide plate and the rice brush, the dust on the rice is brushed off, and the rice is discharged onto the first grading sieve plate and the second grading sieve plate, the vibration motor vibrates the dust, and the dust removal head sucks the vibrated dust into the dust removal box, thereby completing the dust removal effect on the rice. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0028] Figure 1 This is a schematic diagram of the shaft side structure of the utility model;

[0029] Figure 2 This is a schematic diagram of the cross-sectional structure of the grading screen chassis of the utility model;

[0030] Figure 3 This is a schematic diagram of the cross-sectional structure of the dust removal box of the utility model;

[0031] Figure 4 For this utility model Figure 2 Schematic diagram of the structure at point A in the middle.

[0032] In the figure, 1. grading screen chassis; 2. support frame; 3. feed port; 4. rice brush; 5. dust removal duct; 6. dust removal head; 7. turbo fan; 8. dust removal box; 9. first grading screen plate; 10. second grading screen plate; 11. crushing bin; 12. first discharge port; 13. second discharge port; 14. rubber pad; 15. filter cartridge layer; 16. filter screen; 17. sieve hole; 18. valve; 19. guide plate; 401. motor; 402. brush cylinder; 901. grading screen plate; 902. vibration motor; 903. shock-absorbing support; 1501. large filter cartridge; 1502. small filter cartridge. DETAILED DESCRIPTION

[0033] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] Reference Figure 1-4A rice grading screen comprises a grading screen chassis 1, a first discharge port 12 is arranged on one side of the grading screen chassis 1, and a second discharge port 13 is arranged below the first discharge port 12. The arrangement of the first discharge port and the second discharge port facilitates the collection of graded and screened rice, thereby improving the performance of the device. A support frame 2 is fixedly connected to the lower surface of the grading screen chassis 1, a rubber pad 14 is fixedly connected to the lower surface of the support frame 2, and an anti-skid pattern is provided on the lower surface of the rubber pad 14. The arrangement of the rubber pad can increase the friction between the device and the ground, reduce damage to the ground, make the device more stable, and prevent tipping. A feed port 3 is fixedly connected to one end of the upper surface of the grading screen chassis 1, and a rice brush 4 is arranged on the inner wall of the feed port 3. The rice brush 4 includes a motor 4. 01, the output end of the motor 401 is fixedly connected with a brush cylinder 402, the rice brush can be used to brush the rice, brush off the dust on the surface of the rice, and facilitate dust removal. At the same time, the rice can be stirred to prevent blockage. The upper surface of the grading screen chassis is fixedly connected with a dust removal pipe 5, one end of the dust removal pipe 5 is fixedly connected with a dust removal head 6, the other end of the dust removal pipe 5 is fixedly connected with a turbine fan 7, and the lower surface of the turbine fan 7 is fixedly connected with a dust removal box 8. The interior of the dust removal box 8 is provided with a filter cartridge layer 15, and one side of the dust removal box 8 is fixedly connected with a filter screen 16. The filter cartridge layer can filter and collect dust, and the filter screen can simply isolate the internal and external environments to prevent dust from entering the device and reducing the dust removal effect. The filter cartridge layer 15 includes a large filter cartridge 1501 A small filter cartridge 1502 is arranged inside the large filter cartridge 1501. The arrangement of the filter cartridge layers can perform graded filtration, thereby improving the filtering effect of the device and also improving its service life. There are four filter screens 16, and the four filter screens 16 are fixedly connected to the front, back, one side and the other side of the dust removal box 8. The arrangement of the filter screen can fully discharge the air, thereby improving the use efficiency of the turbine fan and thus improving the dust removal effect. A first grading sieve plate 9 is arranged below the feed inlet 3, and the first grading sieve plate 9 includes a grading sieve plate 901, and a vibration motor 902 is fixedly connected to the lower surface of the grading sieve plate 901, and a shock-absorbing support 903 is fixedly connected to the lower surface of one end of the grading sieve plate 901. The arrangement of the first grading sieve plate can grade and screen the rice, while reducing the size of the device. The vibration of the grading screen plate 901 improves stability. There are two vibration motors 902. The upper surface of the grading screen plate 901 is provided with a sieve hole 17. The setting of the two vibration motors can improve the efficiency of vibration screening, thereby improving production efficiency. The setting of the sieve hole is convenient for the screened rice to fall to the lower layer, ensuring the normal screening operation of the device. The lower surface of the first grading screen plate 9 is fixedly connected with the second grading screen plate 10, and the bottom of the interior of the grading screen chassis 1 is provided with a crushing bin 11, and the lower surface of the crushing bin 11 is fixedly connected with a valve 18. A guide plate 19 is fixedly connected below the inner wall of the feed port 3. The setting of the valve is convenient for discharging the debris, and the setting of the guide plate is convenient for guiding the rice, so that the rice falls to the upper surface of the first grading screen plate, and at the same time provides a space for the rice brush to brush the rice.

[0035] In the utility model, the staff pours the rice into the feed port 3, and under the joint action of the guide plate 19 and the rice brush 4, the dust on the rice is brushed off, and the rice is discharged onto the first grading screen plate 9 and the second grading screen plate 10, and the rice is graded and screened, and the debris falls into the debris bin 11, and the vibration motor 902 vibrates the dust, and the dust removal head 6 sucks the vibrated dust into the dust removal box 8 for collection and processing, thereby achieving the effect of dust removal by grading screening.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rice grading screen, comprising a grading screen chassis (1), characterized in that: The lower surface of the grading screen chassis (1) is fixedly connected to a support frame (2); one end of the upper surface of the grading screen chassis (1) is fixedly connected to a feed port (3); the inner wall of the feed port (3) is provided with a rice brush (4); the upper surface of the grading screen chassis is fixedly connected to a dust removal duct (5); one end of the dust removal duct (5) is fixedly connected to a dust removal head (6); the other end of the dust removal duct (5) is fixedly connected to a turbine fan (7); the lower surface of the turbine fan (7) is fixedly connected to a dust removal box (8); a first grading screen plate (9) is provided below the feed port (3); the lower surface of the first grading screen plate (9) is fixedly connected to a second grading screen plate (10); and a crushed material bin (11) is provided at the bottom of the interior of the grading screen chassis (1).

2. A rice grading screen according to claim 1, characterized in that: A first discharge port (12) is provided on one side of the grading screen housing (1), and a second discharge port (13) is provided below the first discharge port (12).

3. A rice grading screen according to claim 1, characterized in that: A rubber pad (14) is fixedly connected to the lower surface of the support frame (2), and anti-slip grooves are provided on the lower surface of the rubber pad (14).

4. A rice grading screen according to claim 1, characterized in that: The rice brush (4) comprises a motor (401), and an output end of the motor (401) is fixedly connected to a brush cylinder (402).

5. A rice grading screen according to claim 1, characterized in that: A filter cartridge layer (15) is arranged inside the dust removal box (8), and a filter screen (16) is fixedly connected to one side of the dust removal box (8).

6. A rice grading screen according to claim 5, characterized in that: The filter cartridge layer (15) comprises a large filter cartridge (1501), and a small filter cartridge (1502) is arranged inside the large filter cartridge (1501).

7. A rice grading screen according to claim 5, characterized in that: The number of the filter screens (16) is four, and the four filter screens (16) are fixedly connected to the front, back, one side and the other side of the dust removal box (8).

8. A rice grading screen according to claim 1, characterized in that: The first grading screen plate (9) comprises a grading screen plate (901), the lower surface of the grading screen plate (901) is fixedly connected to a vibration motor (902), and the lower surface of one end of the grading screen plate (901) is fixedly connected to a shock-absorbing support (903).

9. A rice grading screen according to claim 8, characterized in that: The number of the vibration motors (902) is two, and the upper surface of the grading screen plate (901) is provided with screen holes (17).

10. A rice grading screen according to claim 1, characterized in that: A valve (18) is fixedly connected to the lower surface of the crushing bin (11), and a material guide plate (19) is fixedly connected below the inner wall of the feed inlet (3).

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