Rice hull processing, conveying and impurity removing device

Abstract

The utility model belongs to the technical field of rice hull processing devices, and particularly relates to a rice hull processing, conveying and impurity removing device which comprises a screening box. A feeding port is formed in one side of the upper end of the screening box, a feeding hopper is fixedly installed on the feeding port, an impurity discharging port is formed in the other side of the upper end of the screening box, a slag discharging hopper is fixedly installed on the impurity discharging port, three rotating shafts are arranged in the upper end of the screening box in a 120-degree array mode, and the two ends of each rotating shaft are rotationally installed in the screening box through bearings. Gears are fixedly installed at the two ends of the rotating shaft, a screen drum is arranged in the center of the rotating shaft, gear rings are welded to the sections of the two ends of the screen drum, the gear rings are arranged among the three gears, teeth on the gear rings are meshed with tooth grooves in the gears, a discharging port is formed in one side of the lower end of the screening box, and a screen plate is obliquely arranged below the screen drum. The screening plate slides in the screening box; the rice husks are subjected to coarse screening through the screen drum, large impurities in the rice husks are removed, small-particle impurities such as sandy soil are screened out through the screen plate, and the screening effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of rice husk processing devices, in particular to a rice husk processing, conveying and impurity removing device. Background Art

[0002] As an agricultural waste, the rational use of rice husk is of great significance to environmental protection and resource conservation. Through reasonable processing and transportation, rice husk can be converted into valuable resources such as feed and energy, reducing environmental pollution and achieving sustainable use of resources.

[0003] The working principle of the rice husk processing, conveying and impurity removal device is a comprehensive process involving three main links: processing, conveying and impurity removal. The mechanical continuous conveying equipment is used to achieve the smooth and continuous conveying of rice husks; the impurities in the rice husks are removed by screening and wind impurity removal to improve its purity and quality.

[0004] The existing rice processing equipment generally has poor impurity removal effect, and cannot meet the requirements of removing rod-shaped impurities, metal impurities, heavy impurities and other impurities in an all-round way. The cleaning and impurity removal effect is poor. Therefore, a rice husk processing, conveying and impurity removal device is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the shortcomings of the prior art, the existing rice processing equipment generally has poor impurity removal effect and cannot meet the requirements of removing rod-shaped impurities, metal impurities, heavy impurities and other impurities in an all-round way, and solves the problem of poor impurity removal effect. The utility model proposes a rice husk processing, conveying and impurity removal device.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a rice husk processing, conveying and impurity removal device described in the utility model comprises a screening box; a feed port is opened on one side of the upper end of the screening box, a feed hopper is fixedly installed on the feed port, and a debris discharge port is opened on the other side, a slag discharge port is fixedly installed on the debris discharge port, three rotating shafts are arranged in a 120-degree array inside the upper end of the screening box, both ends of the rotating shaft are rotatably installed in the screening box through bearings, one end of the rotating shaft on the lower side passes through the screening box, gears are fixedly installed on both ends of the rotating shaft, a screen drum is arranged in the center of the rotating shaft, gear rings are welded on the cross-sections of both ends of the screen drum, three gears are arranged in the middle of the gear ring, and the gears on the gear ring The teeth are meshed with the tooth grooves on the gear, and a discharge port is provided on one side of the lower end of the screening box, a screen plate is obliquely arranged below the screen cylinder, and the screen plate slides in the screening box, and the lower end of the screen plate is slidably arranged in the discharge port, a connecting rod is fixedly installed at the bottom of the screen plate, and a dust box is provided below the screen plate, both sides of the dust box are fixedly installed on the inner walls on both sides of the screening box through fixing rods, a sliding hole is provided on the top of the dust box, and the lower end of the connecting rod is slidably installed in the sliding hole, and a sliding rail is fixedly installed at the lower end of the connecting rod, and the sliding rail is arranged in the dust box, and the rice husk is coarsely screened by the screen cylinder to remove large impurities in the rice husk, and small particles of impurities such as sand are screened out by the screen plate, and the screening effect is better.

[0007] Preferably, a coarse screening motor is fixedly installed on one side of the upper end of the screening box, and the rotating shaft of the coarse screening motor is fixedly connected to one end of the rotating shaft through a coupling. The coarse screening motor drives the screen drum to rotate to perform preliminary screening and impurity removal on the rice husk.

[0008] Preferably, an auger is rotatably arranged inside the screen drum, the lower side of the auger is tangent to the inner wall of the screen drum, both ends of the auger are rotatably mounted on the screening box through bearings, and one end passes through the screening box, the auger is the same as the end of the rotating shaft passing through the screening box, and both are fixedly mounted with rotating wheels, the rotating wheels are rotated by belts, and the impurities screened out in the screen drum are transported to the impurity discharge port and discharged from the screening box by rotating the auger.

[0009] Preferably, the four corners of the sieve plate are provided with fixed seats fixedly mounted on the inner wall of the screening box, the four corners of the sieve plate are fixedly mounted with sliding rods, the sliding rods are slidably mounted in the fixed seats, and springs are provided between the fixed seats and the upper and lower sides of the sieve plate, and the springs are used to reduce the speed of the sieve plate during vibration.

[0010] Preferably, a vibration motor is fixedly installed inside the dustproof box, a turntable is fixedly installed on the front end of the rotating shaft of the vibration motor, a sliding shaft is fixedly installed on the outer edge of the turntable, and the sliding shaft is slidably installed in the slide rail to drive the screen plate to vibrate through the turntable.

[0011] Preferably, a mounting opening is opened on one side of the lower end of the screening box, and a dust collecting box is slidably installed in the mounting opening. The dust collecting box is arranged below the screen plate, and the impurities screened out during the secondary screening are collected by the dust collecting box.

[0012] The utility model is beneficial in that:

[0013] 1. The utility model uses a de-impurity device to screen rice husks. The rice husks with impurities are put into the screen drum in the screening box through the feed hopper. The coarse screen motor is started to drive the rotating shaft to rotate. The rotating shaft drives the gear and the rotating wheel to rotate. The gear drives the screen drum to rotate through the gear ring to perform preliminary screening of the rice husks. At the same time, the rotating wheel drives the auger to rotate under the cooperation of the belt. The spiral blades on the auger drive the large impurities after screening to move to the discharge port, and are discharged through the slag discharge bucket. The rice husks fall onto the lower screen plate through the sieve holes on the screen drum. The vibration motor is started to drive the turntable to rotate. The turntable drives the sliding shaft to rotate. The sliding shaft slides in the slide rail. At the same time, it drives the slide rail to move up and down, and the slide rail drives the connecting rod to slide in the dustproof box. The connecting rod pulls the screen plate to slide up and down quickly, causing the screen plate to vibrate, and the rice husk is screened and impurities are removed again. The impurities fall into the dust collecting box below through the filter holes on the screen plate for collection. At the same time, the rice husk is discharged from the screening box through the discharge port and transported to the processing equipment for processing. The structural design realizes the function of multi-stage impurity removal and screening, solves the problem that the impurity removal effect of existing rice processing equipment is generally poor, and cannot meet the requirements of all-round impurity removal such as simultaneous removal of rod-shaped impurities, metal impurities, heavy impurities, etc., and the cleaning and impurity removal effect is poor, thereby improving the impurity removal effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 It is a schematic diagram of the structure of the feed end of the impurity removal device;

[0016] Figure 2 This is a schematic diagram of the structure of the slag discharge end of the impurity removal device;

[0017] Figure 3 It is a schematic diagram of the internal structure of the impurity removal device;

[0018] Figure 4 It is a schematic diagram of the structure of the vibrating screen;

[0019] Figure 5 Schematic diagram of the vibration device structure.

[0020] In the figure: 1. screening box; 2. feed hopper; 3. slag hopper; 4. coarse screen motor; 5. rotating shaft; 6. gear; 7. screen cylinder; 8. gear ring; 9. auger; 10. rotating wheel; 11. belt; 12. screen plate; 13. fixed seat; 14. slide rod; 15. spring; 16. connecting rod; 17. dustproof box; 18. fixed rod; 19. slide rail; 20. turntable; 21. slide shaft; 22. vibration motor; 23. dust collecting box. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0022] See also Figure 1-5As shown, a rice husk processing, conveying and impurity removal device comprises a screening box 1; a feed port is provided on one side of the upper end of the screening box 1, a feed hopper 2 is fixedly mounted on the feed port, a debris discharge port is provided on the other side, a slag discharge port is fixedly mounted on the debris discharge port, three rotating shafts 5 are arranged in a 120-degree array inside the upper end of the screening box 1, both ends of the rotating shaft 5 are rotatably mounted in the screening box 1 through bearings, wherein one end of the rotating shaft 5 on the lower side passes through the screening box 1, gears 6 are fixedly mounted on both ends of the rotating shaft 5, a screen drum 7 is provided in the center of the rotating shaft 5, gear rings 8 are welded on the cross-sections of both ends of the screen drum 7, the gear ring 8 is provided in the middle of three gears 6, and the teeth on the gear ring 8 are meshed with the tooth grooves on the gear 6, the screening box A discharge port is provided at one side of the lower end of the sieve drum 7, a sieve plate 12 is obliquely provided below the sieve drum 7, and the sieve plate 12 slides in the screening box 1, the lower end of the sieve plate 12 is slidably provided in the discharge port, a connecting rod 16 is fixedly installed at the bottom of the sieve plate 12, a dustproof box 17 is provided below the sieve plate 12, both sides of the dustproof box 17 are fixedly installed on the inner walls of both sides of the screening box 1 through fixing rods 18, a sliding hole is provided at the top of the dustproof box 17, the lower end of the connecting rod 16 is slidably installed in the sliding hole, a slide rail 19 is fixedly installed at the lower end of the connecting rod 16, and the slide rail 19 is provided in the dustproof box 17; when working, the impurity removal effect of the existing rice processing equipment is generally poor, and it cannot meet the requirements of removing rod-shaped impurities and metal impurities at the same time. The cleaning and impurity removal effect is poor. The impurity removal effect of existing rice processing equipment is generally poor, and it cannot meet the requirements of removing rod-shaped impurities, metal impurities, heavy impurities and other impurities at the same time. The cleaning and impurity removal effect is poor. When using the impurity removal device to screen the rice husk, the rice husk with impurities is put into the screen drum 7 in the screening box 1 through the feed hopper 2, and the coarse screening motor 4 is started to drive the rotating shaft 5 to rotate, and the rotating shaft 5 drives the gear 6 and the rotating wheel 10 to rotate. The gear 6 drives the screen drum 7 to rotate through the gear ring 8 to perform a preliminary screening of the rice husk. At the same time, the rotating wheel 10 drives the auger 9 to rotate with the cooperation of the belt 11, and the spiral blades on the auger 9 drive the large impurities after screening to move The rice husk moves to the discharge port and is discharged through the slag discharge bucket 3. The rice husk passes through the sieve holes on the sieve drum 7 and falls onto the sieve plate 12 below. The vibration motor 22 in the dustproof box 17 fixed to the screening box 1 by the fixing rod 18 is started to drive the turntable 20 to rotate. The turntable 20 drives the sliding shaft 21 to rotate. The sliding shaft 21 slides in the slide rail 19 and drives the slide rail 19 to move up and down at the same time. The slide rail 19 drives the connecting rod 16 to slide in the dustproof box 17. The sieve plate 12 is pulled up and down quickly by the connecting rod 16 to vibrate the sieve plate 12, and the rice husk is screened and impurities are removed again. The impurities fall into the dust collecting box 23 below through the filter holes on the sieve plate 12 for collection. At the same time, the rice husk is discharged from the screening box 1 through the discharge port and transported to the processing equipment for processing.

[0023] A coarse screening motor 4 is fixedly installed on one side of the upper end of the screening box 1, and the rotating shaft of the coarse screening motor 4 is fixedly connected to one end of the rotating shaft 5 through a coupling; when working, when the impurity removal device is used to screen the rice husks, the coarse screening motor 4 is started to drive the rotating shaft 5 to rotate, and the rotating shaft 5 drives the gears 6 at both ends to rotate, and the gears 6 drive the screen drum 7 to rotate through the gear ring 8 to screen and remove impurities from the rice husks.

[0024] An auger 9 is rotatably arranged in the screen cylinder 7, and the lower side of the auger 9 is tangent to the inner wall of the screen cylinder 7. Both ends of the auger 9 are rotatably mounted on the screening box 1 through bearings, and one end passes through the screening box 1. The auger 9 is the same as the end of the rotating shaft 5 passing through the screening box 1, and both are fixedly mounted with a rotating wheel 10, and the rotating wheels 10 rotate in coordination with each other through a belt 11; during operation, when the impurity removal device is used to screen rice husks, the rotation of the rotating shaft 5 drives the rotating wheel 10 to rotate, and the rotating wheel 10 drives the auger 9 to rotate with the cooperation of the belt 11, and the spiral blades on the auger 9 transport the impurities screened in the screen cylinder 7 to the impurity discharge port and discharge them from the screening box 1 through the slag discharge bucket 3.

[0025] The four corners of the sieve plate 12 are provided with fixed seats 13 fixedly installed on the inner wall of the screening box 1, and the four corners of the sieve plate 12 are fixedly installed with sliding rods 14, and the sliding rods 14 are slidably installed in the fixed seats 13. Springs 15 are provided between the fixed seats 13 and the upper and lower sides of the sieve plate 12, and are mounted on the sliding rods 14; during operation, when the impurity removal device is used to screen the rice husks, the sieve plate 12 performs secondary impurity removal on the rice husks through vibration, and when the sieve plate 12 vibrates, it slides up and down, and at the same time drives the sliding rod 14 to slide up and down in the fixed seat 13, compressing the upper spring 15 when sliding up, and compressing the lower spring 15 when sliding down, and decelerating the sieve plate 12 during the compression of the spring 15 to prevent the sieve plate 12 from being damaged due to excessive vibration frequency.

[0026] A vibration motor 22 is fixedly installed inside the dustproof box 17, a turntable 20 is fixedly installed at the front end of the rotating shaft of the vibration motor 22, a sliding shaft 21 is fixedly installed at the outer edge of the turntable 20, and the sliding shaft 21 is slidably installed in the slide rail 19; during operation, when the impurity removal device is used to screen the rice husks, the vibration motor 22 is started to drive the turntable 20 to rotate, the turntable 20 drives the sliding shaft 21 to rotate, the sliding shaft 21 rotates in the slide rail 19, and at the same time drives the slide rail 19 to move up and down, and the slide rail 19 drives the sieve plate 12 to slide up and down through the connecting rod 16, so as to perform secondary impurity removal on the rice husks on the sieve plate 12.

[0027] The screening box 1 has an installation opening on one side of the lower end, in which a dust box 23 is slidably installed, and the dust box 23 is arranged below the sieve plate 12. During operation, when the impurity removal device is used to screen the rice husk, the sieve plate 12 vibrates to shake off the small particles of impurities in the rice husk, and the small particles fall into the dust box 23 below through the filter holes on the sieve plate 12. After the impurity removal is completed, the dust box 23 is taken out, the impurities inside are cleaned, and then it can be reinstalled.

[0028] Working principle: when using the impurity removal device to screen rice husks, the rice husks with impurities are put into the screen drum 7 in the screening box 1 through the feed hopper 2, and the coarse screening motor 4 is started to drive the rotating shaft 5 to rotate, and the rotating shaft 5 drives the gear 6 and the rotating wheel 10 to rotate, and the gear 6 drives the screen drum 7 to rotate through the gear ring 8 to perform preliminary screening of the rice husks. At the same time, the rotating wheel 10 drives the auger 9 to rotate with the cooperation of the belt 11, and the spiral blades on the auger 9 drive the large impurities after screening to move to the discharge port, and are discharged through the slag discharge bucket 3. The rice husks pass through the sieve holes on the screen drum 7 and fall onto the lower sieve plate 12. The start is fixed on the screening box 1 through the fixing rod 18. The vibration motor 22 in the dustproof box 17 drives the turntable 20 to rotate, and the turntable 20 drives the sliding shaft 21 to rotate. The sliding shaft 21 slides in the slide rail 19, and at the same time drives the slide rail 19 to move up and down. The slide rail 19 drives the connecting rod 16 to slide in the dustproof box 17, and the sieve plate 12 is pulled up and down quickly by the connecting rod 16 to vibrate the sieve plate 12, so that the rice husk is screened and impurities are removed again. The impurities fall into the dust collecting box 23 below through the filter holes on the sieve plate 12 for collection. At the same time, the rice husk is discharged from the screening box 1 through the discharge port and transported to the processing equipment for processing. After the impurity removal is completed, the dust collecting box 23 is taken out, the impurities inside are cleaned and reinstalled.

[0029] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A rice husk processing, conveying and impurity removal device, characterized in that: The invention comprises a screening box (1); a feed port is provided on one side of the upper end of the screening box (1), a feed hopper (2) is fixedly mounted on the feed port, a debris discharge port is provided on the other side, a slag discharge port is fixedly mounted on the debris discharge port, three rotating shafts (5) are arranged in a 120-degree array inside the upper end of the screening box (1), both ends of the rotating shaft (5) are rotatably mounted in the screening box (1) through bearings, one end of the rotating shaft (5) on the lower side passes through the screening box (1), both ends of the rotating shaft (5) are fixedly mounted with gears (6), a screen drum (7) is provided in the center of the rotating shaft (5), both ends of the screen drum (7) are welded with gear rings (8) on the cross section, the gear ring (8) is arranged in the middle of the three gears (6), and the teeth on the gear ring (8) are aligned with the gears (6) The upper teeth are meshed with each other. A discharge port is provided at one side of the lower end of the screening box (1). A screen plate (12) is obliquely arranged below the screen drum (7), and the screen plate (12) slides in the screening box (1). The lower end of the screen plate (12) is slidably arranged in the discharge port. A connecting rod (16) is fixedly installed at the bottom of the screen plate (12). A dustproof box (17) is arranged below the screen plate (12). Both sides of the dustproof box (17) are fixedly installed on the inner walls of both sides of the screening box (1) through fixing rods (18). A sliding hole is provided at the top of the dustproof box (17). The lower end of the connecting rod (16) is slidably installed in the sliding hole. A sliding rail (19) is fixedly installed at the lower end of the connecting rod (16). The sliding rail (19) is arranged in the dustproof box (17).

2. The rice husk processing, conveying and impurity removal device according to claim 1, characterized in that: A coarse screening motor (4) is fixedly mounted on one side of the upper end of the screening box (1), and the rotating shaft of the coarse screening motor (4) is fixedly connected to one end of a rotating shaft (5) via a coupling.

3. The rice husk processing, conveying and impurity removal device according to claim 1, characterized in that: An auger (9) is rotatably arranged inside the screen drum (7), the lower side of the auger (9) being tangent to the inner wall of the screen drum (7), both ends of the auger (9) being rotatably mounted on the screening box (1) via bearings, and one end of the auger (9) passing through the screening box (1), the auger (9) and the rotating shaft (5) passing through one end of the screening box (1) being the same, and both are fixedly mounted with rotating wheels (10), and the rotating wheels (10) are rotated in coordination with each other via belts (11).

4. The rice husk processing, conveying and impurity removal device according to claim 1, characterized in that: The four corners of the sieve plate (12) are provided with fixed seats (13) fixedly mounted on the inner wall of the screening box (1); the four corners of the sieve plate (12) are fixedly mounted with sliding rods (14); the sliding rods (14) are slidably mounted in the fixed seats (13); and springs (15) are provided between the fixed seats (13) and the upper and lower sides of the sieve plate (12) and are mounted on the sliding rods (14).

5. The rice husk processing, conveying and impurity removal device according to claim 1, characterized in that: A vibration motor (22) is fixedly installed inside the dustproof box (17), a turntable (20) is fixedly installed at the front end of the rotating shaft of the vibration motor (22), a sliding shaft (21) is fixedly installed on the outer edge of the turntable (20), and the sliding shaft (21) is slidably installed in the slide rail (19).

6. The rice husk processing, conveying and impurity removal device according to claim 1, characterized in that: A mounting opening is provided on one side of the lower end of the screening box (1), and a dust collecting box (23) is slidably mounted in the mounting opening. The dust collecting box (23) is arranged below the screen plate (12).

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