Soil grinding and screening device

Abstract

The utility model relates to the related technical field of soil detecting and processing equipment, and discloses a soil grinding and screening device which comprises a heating shell, a grinding tank is rotationally connected to the inner side of the heating shell, a motor is fixedly installed in the middle of the top end of the grinding tank, the output end of the motor is fixedly connected with a large gear, and the bottom end of the large gear is fixedly connected with a rotating rod. And the outer side of the top end of the grinding tank is fixedly connected with an inner gear ring, the right side of the top end of the grinding tank is rotationally connected with a small gear, the small gear is in meshed connection with the large gear, and the small gear is in meshed connection with the inner gear ring. According to the device, the screening efficiency can be improved, wet soil can be dried conveniently, the phenomenon of soil caking can be reduced, the grinding efficiency can be improved, the phenomenon that screen meshes are blocked due to wet soil in the screening process is reduced, the screening and discharging speed is increased, and the screening time is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field related to soil detection and processing equipment, in particular to a soil grinding and screening device. Background Art

[0002] Soil is the basis for crop growth. Its fertility and nutrient content directly affect the yield and quality of crops. Through soil testing, we can understand the nutritional status of the soil and provide a scientific basis for reasonable fertilization and soil improvement, thereby improving agricultural production efficiency. The soil samples after grinding and screening have a more uniform particle size distribution, which helps to accurately measure the physical properties of the soil, such as density, porosity, water holding capacity, etc. The soil particles of different particle size ranges obtained by screening can be further analyzed for the chemical composition of soils of different particle sizes, such as organic matter, minerals, trace elements, etc., to understand the chemical properties of the soil.

[0003] After searching, a Chinese patent with publication number CN218222681U discloses a grinding and screening device for soil heavy metal detection. During use, the primary screening through the filter screen and the fixed setting of the filter screen result in poor screening and filtering effects. Therefore, a rotating motor drives a rotating rod to rotate, so that multiple crushing rods rotate to crush the material inside the screening box, and process the larger material inside the screening box. At the same time, under the action of the screening plate, the crushed material is filtered. Through the two-layer screening plate setting, the material is filtered twice, thereby improving the screening effect of the soil.

[0004] There are still some shortcomings in the use of the above-mentioned screening device. When screening the soil, the soil needs to be ground first in order to reduce the agglomerated soil. The above-mentioned screening device is suitable for crushing the soil, and the effect of soil grinding is relatively weak. In addition, when the soil is screened and ground, it is not convenient to dry the relatively moist soil and then grind and screen it due to the different moisture levels of different soils. When screening the relatively moist soil, the agglomeration phenomenon will cause the mesh in the sieve plate to be blocked, making it difficult to discharge the material, thereby reducing the screening efficiency and prolonging the screening time. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a soil grinding and screening device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a soil grinding and screening device, comprising a heating shell, a grinding tank is rotatably connected to the inner side of the heating shell, a motor is fixedly installed at the middle part of the top end of the grinding tank, a large gear is fixedly connected to the output end of the motor, a rotating rod is fixedly connected to the bottom end of the large gear, grinding rollers are rotatably connected to the front and rear sides of the rotating rod, an inner gear ring is fixedly connected to the outer side of the top end of the grinding tank, a small gear is rotatably connected to the right side of the top end of the grinding tank, the small gear and the large gear are meshingly connected, the small gear and the inner gear ring are meshingly connected, a large-hole leakage plate is fixedly connected to the bottom end of the inner side of the grinding tank, a mounting tube is fixedly connected to the right side of the grinding tank, a fan is fixedly installed on the right side of the mounting tube, a heating plate is fixedly installed on the left side of the mounting tube, a plurality of springs are fixedly connected to the inner side of the grinding roller, and an extrusion block is fixedly connected to the other end of the spring.

[0007] As a further description of the above technical solution:

[0008] A screening frame is fixedly connected to the bottom end of the heating shell, a mounting groove is provided on the inner side of the screening frame, a screen plate is slidably connected to the inner side of the mounting groove, a slide groove is provided on the front side of the screen plate, a mounting plate is slidably connected to the inner side of the slide groove, a plurality of fixed tubes are fixedly connected to the upper and lower sides of the mounting plate, a spring 2 is fixedly connected to the other end of the fixed tube, a pushing block is slidably connected to the inner side of the fixed tube, and scraping blocks are fixedly connected to the opposite sides of the plurality of pushing blocks on the upper and lower sides.

[0009] As a further description of the above technical solution:

[0010] The upper and lower ends of the rear side of the sieve plate are both provided with stabilizing grooves, and the upper and lower ends of the rear side of the mounting plate are both slidably connected to the inner side of the stabilizing grooves.

[0011] As a further description of the above technical solution:

[0012] A handle is fixedly connected to the front side of the mounting plate, and a plurality of bristles are arranged at the middle part of the front side of the screening frame.

[0013] As a further description of the above technical solution:

[0014] A feed pipe is fixedly connected to the left side of the top end of the grinding jar, and a discharge pipe is fixedly connected to the middle part of the bottom end of the screening frame.

[0015] As a further description of the above technical solution:

[0016] The other end of the mounting tube is fixedly connected with a filter plate, and two air outlets are arranged in the middle of the front side of the heating shell.

[0017] As a further description of the above technical solution:

[0018] The outer side of the inner gear ring is rotatably connected to the inner side of the top end of the heating shell, and the cross section of the scraper block is set to be triangular.

[0019] The utility model has the following beneficial effects:

[0020] 1. In the utility model, through the cooperation of the heating shell, the large gear, the small gear, the grinding roller, the inner gear ring, the large-hole leakage plate, the fan, the heating plate, the spring and the extrusion block, the screening device is added with the function of grinding the soil before screening, which is beneficial to improve the screening efficiency and facilitate the drying of the wet soil, thereby helping to reduce the phenomenon of soil agglomeration and improve the grinding efficiency, thereby reducing the phenomenon of clogging of the screen due to the wet soil during screening, improving the speed of screening and discharging, and shortening the screening time.

[0021] 2. In the utility model, through the mutual cooperation of the mounting groove, the screen plate, the slide groove, the mounting plate, the fixing tube, the spring 2, the push block and the scraper block, the screening device is provided with the function of facilitating the double-sided scraping and cleaning of the screen plate after screening, which is beneficial to reduce the blockage phenomenon caused by the retention of soil on the surface of the screen plate, improves the quality of the screen plate during screening, and facilitates the disassembly and assembly of the screen plate, thereby facilitating the cleaning and maintenance of the screen plate and extending the service life of the screen plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of a soil grinding and screening device proposed by the utility model;

[0023] Figure 2 This is a schematic diagram of the sieve plate structure of a soil grinding and screening device proposed by the utility model;

[0024] Figure 3 This is a schematic diagram of the structure of an extrusion block of a soil grinding and screening device proposed by the utility model;

[0025] Figure 4 This is a schematic diagram of the filter plate structure of a soil grinding and screening device proposed by the utility model;

[0026] Figure 5 This is a schematic diagram of the screening frame structure of a soil grinding and screening device proposed by the utility model;

[0027] Figure 6 The utility model discloses a schematic diagram of a scraping block structure of a soil grinding and screening device.

[0028] Legend:

[0029] 1. Heating shell; 2. Grinding jar; 3. Motor; 4. Big gear; 5. Rotating rod; 6. Grinding roller; 7. Inner gear ring; 8. Small gear; 9. Big hole leakage plate; 10. Mounting pipe; 11. Fan; 12. Heating plate; 13. Spring 1; 14. Extrusion block; 15. Screening frame; 16. Mounting slot; 17. Screen plate; 18. Slide slot; 19. Mounting plate; 20. Fixed pipe; 21. Spring 2; 22. Push block; 23. Scraper block; 24. Stabilizing slot; 25. Handle; 26. Bristles; 27. Feed pipe; 28. Discharge pipe; 29. ​​Filter plate; 30. Air outlet. DETAILED DESCRIPTION

[0030] 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.

[0031] Reference Figure 1-6 The utility model provides an embodiment: a soil grinding and screening device, including a heating shell 1, the inner side of the heating shell 1 is rotatably connected to a grinding tank 2, so as to form a cavity with the grinding tank 2 and heat the grinding tank 2, a motor 3 is fixedly installed at the middle of the top of the grinding tank 2, the output end of the motor 3 is fixedly connected to a large gear 4, which drives the large gear 4 to rotate, the bottom end of the large gear 4 is fixedly connected to a rotating rod 5, which drives the rotating rod 5 to rotate, the front and rear sides of the rotating rod 5 are rotatably connected to grinding rollers 6, which is convenient for driving the two grinding rollers 6 to rotate, the outer side of the top of the grinding tank 2 is fixedly connected to an inner gear ring 7, which is convenient for the inner gear ring 7 to drive the grinding tank 2 to rotate, and the right side of the top of the grinding tank 2 is rotatably connected to a small gear 8, which is convenient for playing a connecting role The small gear 8 is meshed with the large gear 4, so that the large gear 4 can drive the small gear 8 to rotate; the small gear 8 is meshed with the inner gear ring 7, so that the small gear 8 can drive the inner gear ring 7 to rotate; a large-hole leakage plate 9 is fixedly connected to the inner bottom end of the grinding tank 2 for the leakage of qualified soil; a mounting tube 10 is fixedly connected to the right side of the grinding tank 2; a fan 11 is fixedly installed on the right side of the mounting tube 10 for the output of wind force; a heating plate 12 is fixedly installed on the left side of the mounting tube 10 for the output of heat energy; a plurality of springs 13 are fixedly connected to the inner side of the grinding roller 6; a squeezing block 14 is fixedly connected to the other end of the spring 13 for the generation of elastic force on the squeezing block 14, thereby improving the grinding effect.

[0032] A screening frame 15 is fixedly connected to the bottom end of the heating shell 1, and a mounting groove 16 is provided on the inner side of the screening frame 15 for mounting a screening plate 17. The inner side of the mounting groove 16 is slidably connected to the screening plate 17 for easy screening. A slide groove 18 is provided on the front side of the screening plate 17, and a mounting plate 19 is slidably connected to the inner side of the slide groove 18 for easy sliding of the mounting plate 19. A plurality of fixed tubes 20 are fixedly connected to the upper and lower sides of the mounting plate 19, and a spring 21 is fixedly connected to the other end of the fixed tube 20. A push block 22 is slidably connected to the inner side of the fixed tube 20 for preventing the spring 21 from deforming. Scraping blocks 23 are fixedly connected to the opposite sides of the plurality of push blocks 22 on the upper and lower sides for easy elasticity of the scraping blocks 23. There is a stabilizing groove 24, and the upper and lower ends of the rear side of the mounting plate 19 are slidably connected to the inner side of the stabilizing groove 24, which improves the stability of the movement of the mounting plate 19, and a handle 25 is fixedly connected to the front side of the mounting plate 19. A plurality of bristles 26 are arranged in the middle of the front side of the screening frame 15 to prevent the splashing of soil during screening. A feed pipe 27 is fixedly connected to the left side of the top end of the grinding tank 2 to facilitate feeding, and a discharge pipe 28 is fixedly connected to the middle of the bottom end of the screening frame 15 to facilitate discharging. A filter plate 29 is fixedly connected to the other end of the mounting tube 10 to filter the inhaled wind force. Two air outlets 30 are arranged in the middle of the front side of the heating shell 1 to facilitate air outlet. The outer side of the inner gear ring 7 is rotatably connected to the inner side of the top end of the heating shell 1, and the cross-section of the scraper block 23 is arranged in a triangle to facilitate scraping.

[0033] Working principle: When in use, the soil to be processed is put into the grinding tank 2 through the feed pipe 27. Due to the agglomeration of the soil, it will stay on the surface of the large-hole leak plate 9. Then, the heating plate 12 is turned on for preheating, and then the fan 11 is turned on, so that the fan 11 blows the wind through the heating plate 12 to the inner cavity formed by the heating shell 1 and the grinding tank 2 to heat the grinding tank 2. Then, the motor 3 is started, and the motor 3 drives the rotating rod 5 and the large gear 4 to rotate. Due to the meshing of the large gear 4 and the small gear 8, the large gear 4 drives the small gear 8 to rotate, so that the small gear 8 drives the inner gear ring 7 to rotate, which is convenient for the inner gear ring 7 to drive the grinding tank 2 to rotate. When the two grinding rollers 6 are driven to rotate by the rotating rod 5, the grinding roller 6 grinds the soil on the surface of the large-hole leak plate 9, and the spring 13 pushes the extrusion block 14, which is convenient for the extrusion block 14 to improve the grinding effect of the soil, so that the ground and dried qualified soil leaks through the large-hole leak plate 9 to the inside of the screening frame 15, which is beneficial to improving the screening efficiency and facilitating the drying of wet soil. This is conducive to reducing the phenomenon of soil agglomeration and improving grinding efficiency, thereby reducing the phenomenon of clogging of the screen mesh due to wet soil during screening. When too much soil stays on the surface of the screen plate 17 during screening, it is difficult to discharge the material. When clogging occurs, the handle 25 is moved, and the handle 25 drives the mounting plate 19 to slide on the inner side of the slide groove 18, and then the mounting plate 19 drives the spring 21 to push the push block 22 during the movement, so that the push block 22 pushes the scraper block 23, which is convenient for moving. The scraper block 23 scrapes off the soil that stays and adheres to the surface of the sieve plate 17, which helps to increase the screening speed. When the sieve plate 17 is replaced or cleaned, the sieve plate 17 is pulled to slide on the inner side of the mounting groove 16. After the sieve plate 17 slides out of the inner side of the mounting groove 16, the sieve plate 17 is removed and cleaned. This helps to reduce the clogging phenomenon caused by the retention of soil on the surface of the sieve plate 17, improves the quality of the sieve plate 17 during screening, is conducive to cleaning and maintenance of the sieve plate 17, and extends the service life of the sieve plate 17.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A soil grinding and screening device, comprising a heating shell (1), characterized in that: The inner side of the heating shell (1) is rotatably connected to a grinding jar (2); a motor (3) is fixedly mounted at the middle of the top end of the grinding jar (2); an output end of the motor (3) is fixedly connected to a large gear (4); a bottom end of the large gear (4) is fixedly connected to a rotating rod (5); both the front and rear sides of the rotating rod (5) are rotatably connected to grinding rollers (6); an inner gear ring (7) is fixedly connected to the outer side of the top end of the grinding jar (2); a small gear (8) is rotatably connected to the right side of the top end of the grinding jar (2); and the small gear (8) and the large gear (4) are connected to each other. The inner bottom end of the grinding jar (2) is fixedly connected to a large hole leakage plate (9), the right side of the grinding jar (2) is fixedly connected to a mounting tube (10), the right side of the mounting tube (10) is fixedly installed with a fan (11), the left side of the mounting tube (10) is fixedly installed with a heating plate (12), the inner side of the grinding roller (6) is fixedly connected to a plurality of springs (13), and the other end of the springs (13) is fixedly connected to an extrusion block (14).

2. A soil grinding and screening device according to claim 1, characterized in that: A screening frame (15) is fixedly connected to the bottom end of the heating shell (1), a mounting groove (16) is provided on the inner side of the screening frame (15), a screening plate (17) is slidably connected to the inner side of the mounting groove (16), a sliding groove (18) is provided on the front side of the screening plate (17), a mounting plate (19) is slidably connected to the inner side of the sliding groove (18), a plurality of fixed tubes (20) are fixedly connected to the upper and lower sides of the mounting plate (19), a spring 2 (21) is fixedly connected to the other end of the fixed tube (20), a pushing block (22) is slidably connected to the inner side of the fixed tube (20), and scraping blocks (23) are fixedly connected to the opposite sides of the plurality of pushing blocks (22) on the upper and lower sides.

3. A soil grinding and screening device according to claim 2, characterized in that: The upper and lower ends of the rear side of the sieve plate (17) are both provided with stabilizing grooves (24), and the upper and lower ends of the rear side of the mounting plate (19) are both slidably connected to the inner side of the stabilizing grooves (24).

4. A soil grinding and screening device according to claim 2, characterized in that: A handle (25) is fixedly connected to the front side of the mounting plate (19), and a plurality of bristles (26) are arranged in the middle of the front side of the screening frame (15).

5. A soil grinding and screening device according to claim 2, characterized in that: A feed pipe (27) is fixedly connected to the left side of the top end of the grinding tank (2), and a discharge pipe (28) is fixedly connected to the middle of the bottom end of the screening frame (15).

6. The soil grinding and screening device according to claim 1, characterized in that: The other end of the mounting tube (10) is fixedly connected to a filter plate (29), and two air outlets (30) are provided in the middle of the front side of the heating shell (1).

7. A soil grinding and screening device according to claim 2, characterized in that: The outer side of the inner gear ring (7) is rotatably connected to the inner side of the top end of the heating shell (1), and the cross-section of the scraper block (23) is arranged to be triangular.

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