Rapid soil drying and screening device

Abstract

The utility model discloses a quick soil drying and screening device, which relates to the technical field of soil drying and comprises a base, two convex sliding grooves are formed in the top of the base, convex sliding blocks are connected in the two convex sliding grooves in a sliding manner, and supporting frames are connected to the tops of the two convex sliding blocks. The rapid soil drying and screening device has the advantages that the output end of the air heater is connected with the first air cavity in the stirring shaft, hot air can be guided into the second air cavities in the multiple sets of stirring blades from the first air cavity and then exhausted through the multiple exhaust holes, the stirring shaft and the stirring blades rotate in a matched mode, and the soil can be rapidly dried and screened. And under the action of a rotating structure in the adjustor, the drying cylinder can be driven to turn over, the angle of the drying cylinder can be adjusted, the dried soil can be conveniently poured into the screening box to make contact with a screen, drying and screening of the soil are conducted separately, and the situation that the wet soil adheres to the screen and blocks the screen is advantageously prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of soil drying, in particular to a soil rapid drying and screening device. Background Art

[0002] Soil samples collected from the wild need to undergo several pre-processing operations such as drying, sorting, grinding, screening, sampling, digestion, bottling and storage before subsequent testing and analysis experiments can be carried out. Therefore, soil drying and screening are very important.

[0003] Application No. 202322725995.5 discloses a soil rapid drying and screening device, in which a first servo motor is provided to drive a first connecting rod to rotate, and through the transmission of the second connecting rod, a second rotating shaft fixed to a third connecting rod can be driven to swing back and forth around a support plate, thereby driving a screening box to swing back and forth, and a second servo motor is provided to drive a crushing rod on the first rotating shaft to rotate, so that the soil can be crushed, so that the crushed soil can pass through an arc screen and enter the lower end of the screening box, and impurities such as stones and plant roots will remain on the arc screen, thereby improving the screening efficiency, and a hot air blower can blow hot air into the screening box, thereby drying the soil, and an exhaust fan can discharge the water vapor generated after drying.

[0004] The position of the hot air blower in the above application is fixed, and the hot air blown out is difficult to fully contact the soil, which is not conducive to the rapid drying of the soil. In addition, the arc screen is directly in contact with the wet soil and is easily blocked. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a soil rapid drying and screening device, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a soil rapid drying screening device, including a base, two convex chutes are provided on the top of the base, convex sliders are slidably connected inside the two convex chutes, the tops of the two convex sliders are connected to support frames, screening boxes are installed on the tops of the two support frames, two brackets are connected to the top of the screening box, a drying cylinder is rotatably connected between the two brackets, a stirring shaft is rotatably connected inside the drying cylinder, a plurality of stirring blades are installed on the outside of the stirring shaft, a first gear is installed on the outer wall of the stirring shaft, a second gear is rotatably connected inside the drying cylinder and located on one side of the first gear, the second gear is meshed with the first gear, a second motor is installed at the bottom of the drying cylinder, and the output of the second motor The end is connected with the second gear, a first air cavity is opened inside the stirring shaft, a second air cavity is opened inside the plurality of stirring blades, a plurality of exhaust holes are opened inside the plurality of stirring blades and on one side of the second air cavity, a rotary joint is installed inside the drying cylinder, one end of the rotary joint is rotatably connected to the stirring shaft, a hot air blower is installed at the bottom of the drying cylinder and on one side of the second motor, the output end of the hot air blower is connected to the rotary joint, a sieving cavity is opened inside the screening box, a sieve is installed inside the sieving cavity, a regulator is installed on one side of one of the brackets, a worm wheel and a worm are rotatably connected inside the regulator, the worm wheel and the worm are meshed, the worm wheel is connected to the drying cylinder, a first motor is installed on the top of the regulator, and the output end of the first motor is connected to the worm.

[0007] Preferably, a convex limiting groove is provided inside the screening box and on one side of the screening cavity, a convex limiting block is slidably connected inside the convex limiting groove, a mounting frame is installed on one side of the convex limiting block, a comb plate is connected to the bottom of the mounting frame, the comb plate is located above the screen, a reciprocating screw rod is rotatably connected inside the convex limiting groove, the reciprocating screw rod passes through the convex limiting block and is threadedly connected to the convex limiting block.

[0008] Preferably, a third motor is installed on one side of the screening box, and an output end of the third motor is connected to the reciprocating screw rod.

[0009] Preferably, a discharge pipe is connected to the bottom of the screening box, and one end of the discharge pipe is connected to the screening chamber.

[0010] Preferably, a cylinder is installed inside the base, and the output end of the cylinder extends into one of the convex sliding grooves and is connected to the convex sliding block.

[0011] Preferably, a telescopic spring is installed inside one of the convex sliding grooves, and one end of the telescopic spring is connected to the convex sliding block.

[0012] Preferably, a protective cover is installed inside the drying cylinder and outside the stirring shaft and the second gear, and the protective cover is not connected to the stirring shaft.

[0013] The utility model provides a soil rapid drying and screening device, which has the following beneficial effects:

[0014] 1. The soil rapid drying and screening device can guide the hot air from the first air cavity into the second air cavity in the plurality of stirring blades through the connection between the output end of the hot air blower and the first air cavity in the stirring shaft, and then discharge the hot air through the plurality of exhaust holes. With the rotation of the stirring shaft and the stirring blades, the hot air can fully contact with the soil. Under the action of the rotating structure in the regulator, the drying cylinder can be driven to flip and adjust its angle, so that the dried soil can be poured into the screening box to contact with the screen. The drying and screening of the soil are performed separately, which is beneficial to prevent the wet soil from adhering to and clogging the screen.

[0015] 2. The soil rapid drying screening device uses a movable comb plate arranged above the screen. Under the action of the reciprocating screw rod in the screening box, the comb plate can repeatedly move the soil on the screen and push the soil away, which is beneficial to improve the screening speed and screening effect of the soil, and further crush the lumps in the soil to make it finer. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 For this utility model Figure 1 Enlarged view of point A in the middle;

[0018] Figure 3 For this utility model Figure 1 Enlarged view of point B in the middle;

[0019] Figure 4 For this utility model Figure 1 Enlarged view of point C in the middle;

[0020] Figure 5 It is a side sectional view of the utility model.

[0021] In the figure: 1. base; 2. convex slide groove; 3. convex slider; 4. support frame; 5. screening box; 6. screening cavity; 7. screen; 8. bracket; 9. drying cylinder; 10. stirring shaft; 11. stirring blade; 12. first gear; 13. second gear; 14. regulator; 15. worm gear; 16. worm; 17. second motor; 18. first motor; 19. first air cavity; 20. second air cavity; 21. exhaust hole; 22. rotary joint; 23. hot air blower; 24. convex limit groove; 25. convex limit block; 26. mounting frame; 27. comb plate; 28. reciprocating screw; 29. ​​third motor; 30. discharge pipe; 31. cylinder; 32. telescopic spring; 33. protective cover. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] See also Figures 1 to 5The utility model provides a technical solution: a soil rapid drying screening device, including a base 1, two convex chutes 2 are provided on the top of the base 1, convex sliders 3 are slidably connected inside the two convex chutes 2, support frames 4 are connected to the tops of the two convex sliders 3, screening boxes 5 are installed on the tops of the two support frames 4, two brackets 8 are connected to the tops of the screening boxes 5, a drying cylinder 9 is rotatably connected between the two brackets 8, a stirring shaft 10 is rotatably connected inside the drying cylinder 9, a plurality of stirring blades 11 are installed on the outside of the stirring shaft 10, a first gear 12 is installed on the outer wall of the stirring shaft 10, a second gear 13 is rotatably connected inside the drying cylinder 9 and located on one side of the first gear 12, the second gear 13 is meshed with the first gear 12, so that the first gear 12 is meshed with the second gear 13, and the second gear 13 is meshed with the first gear 12. When the second gear 13 rotates, it drives the first gear 12 and the stirring shaft 10 to rotate, and the multiple stirring blades 11 stir the soil accordingly. A second motor 17 is installed at the bottom of the drying cylinder 9, and the output end of the second motor 17 is connected to the second gear 13 to provide power for the rotation of the second gear 13 and the stirring shaft 10. A protective cover 33 is installed inside the drying cylinder 9 and on the outside of the stirring shaft 10 and the second gear 13. The protective cover 33 is not connected to the stirring shaft 10, and protects the first gear 12 and the second gear 13 to prevent them from contacting with the soil. At the same time, the protective cover 33 will not hinder the rotation of the stirring shaft 10. A first air cavity 19 is opened inside the stirring shaft 10, and a second air cavity 20 is opened inside the multiple stirring blades 11. A plurality of exhaust holes 21 are provided inside and on one side of the second air cavity 20, a rotary joint 22 is installed inside the drying cylinder 9, one end of the rotary joint 22 is rotatably connected to the stirring shaft 10, a hot air blower 23 is installed at the bottom of the drying cylinder 9 and on one side of the second motor 17, the output end of the hot air blower 23 is connected to the rotary joint 22, so that the hot air blower 23 can introduce hot air into the first air cavity 19 and the second air cavity 20 through the rotary joint 22, and then blow it out through the plurality of exhaust holes 21, and cooperate with the rotation of the stirring shaft 10, so that the hot air can fully contact with the soil, thereby accelerating the drying of the soil, a sieving chamber 6 is provided inside the sieving box 5, a screen 7 is installed inside the sieving chamber 6, a cylinder 31 is installed inside the base 1, and the output end of the cylinder 31 extends therefrom A convex chute 2 is installed inside the convex slider 3 and is connected to the convex slider 3. When the cylinder 31 pushes the convex slider 3 to move repeatedly, the support frame 4 on the top of the convex slider 3 is displaced accordingly, so that the screening box 5 swings back and forth, which is conducive to speeding up the screening of the soil by the screen 7. A telescopic spring 32 is installed inside one of the convex chutes 2. One end of the telescopic spring 32 is connected to the convex slider 3 to facilitate buffering the movement of the convex slider 3. A regulator 14 is installed on one side of one of the brackets 8. The internal rotation of the regulator 14 is connected to a worm gear 15 and a worm 16. The worm gear 15 and the worm 16 are meshed. The worm gear 15 is connected to the drying cylinder 9. A first motor 18 is installed on the top of the regulator 14. The output end of the first motor 18 is connected to the worm 16 to drive the worm 16 to rotate.Through the meshing of the worm wheel 15 and the worm 16, the worm wheel 15 drives the drying cylinder 9 to flip, so that the dried soil is poured onto the screen 7 in the screening box 5 for screening. A convex limiting groove 24 is provided inside the screening box 5 and on one side of the screening cavity 6. A convex limiting block 25 is slidably connected inside the convex limiting groove 24. A mounting frame 26 is installed on one side of the convex limiting block 25. A comb plate 27 is connected to the bottom of the mounting frame 26. The comb plate 27 is located above the screen 7. A reciprocating screw rod 28 is rotatably connected inside the convex limiting groove 24. The reciprocating screw rod 28 penetrates the convex limiting block 25 is threadedly connected with the convex stopper 25, so that the convex stopper 25 drives the mounting frame 26 to move with the rotation of the reciprocating screw 28, and the comb plate 27 moves repeatedly to push the soil away, thereby improving the screening speed and screening effect of the soil, and further crushing the lumps in the soil to make it finer. A third motor 29 is installed on one side of the screening box 5, and the output end of the third motor 29 is connected to the reciprocating screw 28 to provide power for the rotation of the reciprocating screw 28. A discharge pipe 30 is connected to the bottom of the screening box 5, and one end of the discharge pipe 30 is connected to the screening cavity 6 to facilitate the discharge of soil.

[0024] In summary, when the soil rapid drying and screening device is used, after the soil is put into the drying cylinder 9, the second motor 17 is started to drive the second gear 13 to rotate, and the first gear 12 and the stirring shaft 10 are rotated by meshing the second gear 13 with the first gear 12 on the outer side of the stirring shaft 10. While the multiple stirring blades 11 on the stirring shaft 10 stir and mix the soil, the hot air blower 23 guides the hot air into the first air cavity 19 in the stirring shaft 10 through the rotary joint 22, and then enters the second air cavity 20 of the multiple stirring blades 11, and is discharged through the exhaust holes 21 on the multiple stirring blades 11, fully in contact with the soil. After the soil is dried, the first motor 18 drives the worm 16 in the regulator 14 to rotate. The worm gear 15 is engaged with the worm 16, and the worm gear 15 is connected to the drying cylinder 9, so that the worm gear 15 drives the drying cylinder 9 to flip, and the soil is poured onto the screen 7 in the screening box 5, and the cylinder 31 pushes the convex slider 3 at the bottom of one of the support frames 4 to move repeatedly, so that the screening box 5 on the top of the support frame 4 swings back and forth, and the screen 7 screens the soil. According to demand, the third motor 29 can be started to rotate the reciprocating screw rod 28 in the convex limiting groove 24 in the screening box 5, and the convex limiting block 25 is threadedly connected through the reciprocating screw rod 28 to the convex limiting block 25, so that the convex limiting block 25 is displaced accordingly, driving the mounting frame 26 to move, and the comb plate 27 at the bottom of the mounting frame 26 moves repeatedly in the soil accordingly to push it open.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A soil rapid drying and screening device, comprising a base (1), characterized in that: The top of the base (1) is provided with two convex chute (2), the interior of the two convex chute (2) is slidably connected with a convex slider (3), the top of the two convex sliders (3) is connected with a support frame (4), the top of the two support frames (4) is installed with a screening box (5), the top of the screening box (5) is connected with two brackets (8), a drying cylinder (9) is rotatably connected between the two brackets (8), the interior of the drying cylinder (9) is rotatably connected with a stirring shaft (10), and the stirring shaft (10) A plurality of stirring blades (11) are installed on the outer side of the drying cylinder (9); a first gear (12) is installed on the outer wall of the stirring shaft (10); a second gear (13) is rotatably connected to the interior of the drying cylinder (9) and located on one side of the first gear (12); the second gear (13) is meshed with the first gear (12); a second motor (17) is installed at the bottom of the drying cylinder (9); the output end of the second motor (17) is connected to the second gear (13); a first air cavity (19) is opened inside the stirring shaft (10); and a plurality of the A second air cavity (20) is provided inside each stirring blade (11), and a plurality of exhaust holes (21) are provided inside each of the stirring blades (11) and on one side of the second air cavity (20). A rotary joint (22) is installed inside the drying cylinder (9), and one end of the rotary joint (22) is rotatably connected to the stirring shaft (10). A hot air blower (23) is installed at the bottom of the drying cylinder (9) and on one side of the second motor (17), and the output end of the hot air blower (23) is connected to the rotary joint (22). A screening cavity (6) is provided inside the screen box (5), a screen (7) is installed inside the screening cavity (6), a regulator (14) is installed on one side of one of the brackets (8), a worm wheel (15) and a worm (16) are rotatably connected inside the regulator (14), the worm wheel (15) and the worm (16) are meshed, the worm wheel (15) is connected to the drying cylinder (9), a first motor (18) is installed on the top of the regulator (14), and the output end of the first motor (18) is connected to the worm (16).

2. A soil rapid drying screening device according to claim 1, characterized in that: A convex limiting groove (24) is provided inside the screening box (5) and on one side of the screening cavity (6); a convex limiting block (25) is slidably connected inside the convex limiting groove (24); a mounting frame (26) is installed on one side of the convex limiting block (25); a combing plate (27) is connected to the bottom of the mounting frame (26); the combing plate (27) is located above the screen (7); a reciprocating screw rod (28) is rotatably connected inside the convex limiting groove (24); the reciprocating screw rod (28) passes through the convex limiting block (25) and is threadedly connected to the convex limiting block (25).

3. A soil rapid drying and screening device according to claim 2, characterized in that: A third motor (29) is installed on one side of the screening box (5), and an output end of the third motor (29) is connected to a reciprocating screw rod (28).

4. A soil rapid drying and screening device according to claim 1, characterized in that: The bottom of the screening box (5) is connected to a discharge pipe (30), and one end of the discharge pipe (30) is connected to the screening chamber (6).

5. The soil rapid drying and screening device according to claim 1, characterized in that: A cylinder (31) is installed inside the base (1), and an output end of the cylinder (31) extends into one of the convex sliding grooves (2) and is connected to the convex sliding block (3).

6. A soil rapid drying and screening device according to claim 1, characterized in that: A telescopic spring (32) is installed inside one of the convex sliding grooves (2), and one end of the telescopic spring (32) is connected to the convex sliding block (3).

7. The soil rapid drying and screening device according to claim 1, characterized in that: A protective cover (33) is installed inside the drying cylinder (9) and outside the stirring shaft (10) and the second gear (13); the protective cover (33) is not connected to the stirring shaft (10).

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