Soil ball milling and screening device
By designing a soil ball mill screening device, the problem of low separation efficiency of coarse grinding, fine grinding and screening equipment of soil samples is solved, and efficient fine grinding and screening is achieved, avoiding sample agglomeration and improving screening effect.
Patent Information
- Application Number
- CN202422097788.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-28
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-08-28
AI Technical Summary
In the prior art, the soil coarse, fine grinding and screening equipment are separated, with low efficiency and soil samples are prone to agglomeration during storage, which affects the subsequent screening effect.
A soil ball mill screening device is designed, and the soil samples are initially crushed through the mixing blades of the feeding mechanism, and the ball mill is finely grounded. The samples are transported to the screening mechanism by negative pressure using a powder discharge fan. The screening plate in the screening chamber is screened step by step according to size, and the reciprocating movement is realized through the pulling mechanism for screening.
It realizes efficient fine grinding and screening of soil samples, avoids clumping, and improves overall processing efficiency and screening effect.
Smart Images
Figure CN223128186U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of soil detection, in particular to a soil ball milling and screening device. Background Art
[0002] Soil ball milling is a commonly used sample pretreatment method in laboratories, mainly used to reduce the size of soil particles for subsequent chemical or biological analysis. In the determination of soil, the preparation of soil samples is the most important and crucial link in soil analysis work. The preparation process of soil samples generally includes: air drying, screening, coarse grinding, fine grinding, screening and other processes. Among them, in order to make the soil particles of soil samples uniform, a ball mill is usually used to finely grind the soil samples.
[0003] In the prior art, for the coarse grinding, fine grinding and screening of soil, different devices are used, and the overall efficiency is low. And after grinding, when the soil samples are stored in containers and then put into screening devices, the soil samples still have the phenomenon of caking during storage, which cannot guarantee the effect of subsequent screening treatment. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a soil ball milling and screening device to solve the problems put forward in the above background art.
[0005] To achieve the above purpose, the utility model provides the following technical solutions:
[0006] A soil ball milling and screening device includes a base. A first driving motor is arranged on the surface of the base. The driving end of the first driving motor is connected with a transmission shaft. A belt driving wheel is sleeved outside the transmission shaft. A traction wheel is also arranged at the end of the transmission shaft. A belt driven wheel is connected to the outside of the belt driving wheel through a belt. A transmission rod is arranged at the center of the belt driven wheel. A small gear is also connected to the outside of the other end of the transmission rod. A large gear is meshed with the outside of the small gear. A ball milling cylinder is connected inside the large gear. Feed inlets and discharge outlets are respectively arranged at both ends of the ball milling cylinder. A feeding mechanism is connected to the outside of the feed inlet. A powder discharging fan is connected to the outside of the discharge outlet. A discharge port is arranged at the discharging end of the powder discharging fan. A screening mechanism is arranged at the end of the discharge port. One side of the screening mechanism is connected to the outer surface of the traction wheel through a pulling mechanism.
[0007] Further preferably, the feeding mechanism includes a housing connected to the feed inlet. A stirring motor is arranged at the center of the top of the housing. The driving end of the stirring motor penetrates through the top of the housing and is connected with a stirring shaft. Stirring blades are arranged outside the stirring shaft.
[0008] Further preferably, both the housing and the stirring blades are of a conical structure, and the stirring blades are connected with the inner cavity of the housing in a matching manner.
[0009] Further preferably, support columns are also arranged on the surface of the base, and a second bearing seat is arranged at the top end of each support column. The second bearing seats are respectively movably connected to the feed inlet and the discharge outlet.
[0010] Further preferably, upright columns are also arranged on the surface of the base. Two grooves are arranged on the surface of each upright column, and two groups of first bearing seats are symmetrically arranged at the top of each upright column. A transmission rod penetrates through the two groups of first bearing seats, and a belt driven wheel and a small gear are respectively arranged in the two grooves.
[0011] Further preferably, a center frame is also arranged on the surface of the base, and the center frame is movably connected to the center of the surface of the transmission shaft.
[0012] Further preferably, the screening mechanism includes moving wheels arranged on the tracks on the surface of the base. A screening frame is arranged on the top of each moving wheel. A plurality of screening bins and a collection bin are sequentially arranged in the screening frame from top to bottom. The screening bins and the collection bin are respectively connected to the screening frame through pulleys and sliding rails in a matching manner. Clasps are symmetrically arranged at the joints of the surfaces of the screening bins and the collection bin and the screening frame, and handles are symmetrically arranged on the surfaces of the screening bins and the collection bin.
[0013] Further preferably, the pulling mechanism includes pull rods fixedly connected to the side surfaces of the screening frame. There are two pull rods, and one end of each pull rod is symmetrically and fixedly connected to the side surface of the screening frame. The other ends of the pull rods are respectively connected to a hinge rod in a hinged manner, and the other end of the hinge rod is hinged to the outer surface of a traction wheel.
[0014] Further preferably, screening plates are arranged inside the screening bins. Screening holes are evenly arranged on the surfaces of the screening plates, and the sizes of the screening holes gradually decrease from top to bottom.
[0015] Further preferably, a mounting seat is arranged at the bottom of the powder discharging fan. A second driving motor is also arranged on the surface of the mounting seat. The driving end of the second driving motor is connected to the powder discharging fan, and the discharging end of the powder discharging fan is connected to a discharging port through a discharging pipe.
[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0017] The stirring blades inside the feeding mechanism can initially crush the soil sample. Then, driven by the first driving motor in cooperation with the transmission shaft, belt driving wheel, belt driven wheel, pinion, and large gear, the ball milling cylinder is driven to finely grind the soil sample. The finely ground soil sample passes through the discharge port, and the negative pressure generated by the powder discharging fan drives the material inside the ball milling cylinder to enter the screening mechanism through the discharge port. Screening plates are arranged inside the screening bin, and screening holes are evenly arranged on the surface of the screening plates. The sizes of the screening holes decrease sequentially from top to bottom. The soil sample is screened successively through the screening holes from large to small, and finally, the screened soil sample is collected by the collection bin.
[0018] During the screening process, driven by the first driving motor in cooperation with the transmission shaft and the pulling mechanism, the screening mechanism moves continuously back and forth along the track on the surface of the base, thereby screening the soil sample. Brief Description of the Drawings
[0019] Figure 1 is the overall structural schematic diagram of the present invention;
[0020] Figure 2 is the schematic diagram of the screening mechanism of the present invention;
[0021] Figure 3 is the cross-sectional view of the screening mechanism of the present invention;
[0022] In the figure: 1. Base; 2. First driving motor; 3. Transmission shaft; 4. Belt driving wheel; 5. Central frame; 6. Traction wheel; 7. Column; 8. First bearing seat; 9. Transmission rod; 10. Belt driven wheel; 11. Pinion; 12. Large gear; 13. Ball milling cylinder; 14. Feed inlet; 15. Discharge port; 16. Support column; 17. Second bearing seat; 18. Feeding mechanism; 19. Stirring motor; 20. Stirring shaft; 21. Stirring blade; 22. Screening mechanism; 23. Pulling mechanism; 24. Track; 25. Hinge rod; 26. Pulling rod; 27. Screening bin; 28. Handle; 29. Snap; 30. Collection bin; 31. Moving wheel; 32. Screening plate; 33. Screening hole; 34. Powder discharging fan; 35. Second driving motor; 36. Discharge pipe; 37. Discharge port. Detailed Embodiments
[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0024] Please refer toFigures 1-3 , the present utility model provides a technical solution:
[0025] A soil ball milling and screening device, including a base 1, a first driving motor 2 is arranged on the surface of the base 1, a transmission shaft 3 is connected to the driving end of the first driving motor 2, a belt driving wheel 4 is sleeved outside the transmission shaft 3, a traction wheel 6 is further arranged at the end of the transmission shaft 3, a belt driven wheel 10 is connected to the outside of the belt driving wheel 4 through a belt, a transmission rod 9 is arranged at the center of the belt driven wheel 10, a small gear 11 is further connected to the outside of the other end of the transmission rod 9, a large gear 12 is meshed with the outside of the small gear 11, a ball milling cylinder 13 is connected inside the large gear 12, a feed inlet 14 and a discharge outlet 37 are respectively arranged at both ends of the ball milling cylinder 13, a feeding mechanism 18 is connected to the outside of the feed inlet 14, a powder discharging fan 34 is connected to the outside of the discharge outlet 37, a discharge port 15 is arranged at the discharging end of the powder discharging fan 34, a screening mechanism 22 is arranged at the end of the discharge port 15, and one side of the screening mechanism 22 is connected to the outer surface of the traction wheel 6 through a pulling mechanism 23.
[0026] In the present utility model, the feeding mechanism 18 includes a housing connected to the feed inlet 14, a stirring motor 19 is arranged at the center of the top of the housing, the driving end of the stirring motor 19 penetrates through the top of the housing and is connected to a stirring shaft 20, and stirring blades 21 are arranged outside the stirring shaft 20. The housing and the stirring blades 21 are both in a conical structure, and the stirring blades 21 are connected in cooperation with the inner cavity of the housing.
[0027] In the present utility model, support columns 16 are further arranged on the surface of the base 1, and second bearing seats 17 are arranged at the ends of the tops of the support columns 16, and the second bearing seats 17 are respectively movably connected to the feed inlet 14 and the discharge outlet 37.
[0028] In the present utility model, columns 7 are further arranged on the surface of the base 1, two grooves are arranged on the surface of the columns 7, and two groups of first bearing seats 8 are symmetrically arranged at the top of the columns 7, the transmission rod 9 penetrates through the two groups of first bearing seats 8, and the belt driven wheel 10 and the small gear 11 are respectively arranged in the two grooves.
[0029] In the present utility model, a center frame 5 is further arranged on the surface of the base 1, and the center frame 5 is movably connected to the center of the surface of the transmission shaft 3.
[0030] In the present utility model, the screening mechanism 22 includes moving wheels 31 disposed on the track 24 on the surface of the base 1. A screening frame is provided on the top of the moving wheels 31. The screening frame is sequentially provided with a plurality of screening bins 27 and a collection bin 30 from top to bottom. Both the screening bins 27 and the collection bin 30 are connected to the screening frame in a matching manner through pulleys and slide rails. Clasps 29 are symmetrically arranged at the joints between the surfaces of the screening bins 27 and the collection bin 30 and the screening frame. Handles 28 are also symmetrically arranged on the surfaces of the screening bins 27 and the collection bin 30. The pulling mechanism 23 includes pull rods 26 fixedly connected to the sides of the screening frame. There are two pull rods 26, and one end of each pull rod 26 is symmetrically and fixedly connected to the side of the screening frame. The other ends of the pull rods 26 are connected to the outer surface of the articulated rod 25 through an articulated manner, and the other end of the articulated rod 25 is articulated to the outer surface of the traction wheel 6. Screening plates 32 are arranged inside the screening bins 27, and screening holes 33 are evenly arranged on the surfaces of the screening plates 32, and the sizes of the screening holes 33 gradually decrease from top to bottom.
[0031] In the present utility model, a mounting seat is provided at the bottom of the powder discharging fan 34, and a second driving motor 35 is further provided on the surface of the mounting seat. The driving end of the second driving motor 35 is connected to the powder discharging fan 34. The discharging end of the powder discharging fan 34 is connected to a discharging port 15 through a discharging pipe 36.
[0032] Embodiment 1,
[0033] During use, first, the soil sample is added to the housing of the feeding mechanism 18. The stirring motor 19 drives the stirring shaft 20, thereby driving the stirring blades 21 to preliminarily crush and convey the soil sample inside the housing. The soil sample enters the ball mill cylinder 13 through the feeding port 14. Then, the first driving motor 2 drives the transmission shaft 3, and further drives the belt driving wheel 4 and the belt driven wheel 10. Finally, the transmission rod 9 drives the small gear 11, and thereby the small gear 11 drives the large gear 12 and the ball mill cylinder 13 to rotate, for finely grinding the soil sample. The finely ground soil sample enters the powder discharging fan 34 through the discharging port 37. The powder discharging fan 34 generates negative pressure under the drive of the second driving motor 35, and the soil sample inside the ball mill cylinder 13 passes through the discharging pipe 36 and then directly falls onto the top screening plate 32 of the screening mechanism 22 through the discharging port 15. The first driving motor 2 drives the transmission shaft 3, and further drives the traction wheel 6 at the end of the transmission shaft 3 to rotate. The traction wheel 6 drives the articulated rod 25 articulated to its outer surface, and the articulated rod 25 then pulls the screening mechanism 22 through the pull rod 26 to continuously perform reciprocating forward and backward movements along the track 24 on the surface of the base 1, thereby performing the screening work on the soil sample. Screening plates 32 are arranged inside the screening bins 27, and screening holes 33 are evenly arranged on the surfaces of the screening plates 32. The sizes of the screening holes 33 gradually decrease from top to bottom. The soil sample is screened successively through the screening holes 33 from large to small, and finally the screened soil sample is collected by the collection bin 30.
[0034] Embodiment 2
[0035] Compared with Embodiment 1, the difference in this embodiment is that a clutch can also be provided between the traction wheel 6 and the transmission shaft 3. After the first drive motor 2 drives the transmission shaft 3 to work, under the action of the clutch, when the clutch is in the disengaged state, the screening mechanism 22 and the ball mill cylinder 13 work independently to achieve separate fine grinding and screening operations; when the clutch is in the engaged state, the screening mechanism 22 and the ball mill cylinder 13 work simultaneously to achieve fine grinding and screening operations at the same time.
[0036] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and without departing from the spirit or basic characteristics of the present utility model, the present utility model can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be encompassed within the present utility model, and any reference signs in the claims should not be regarded as limiting the claims involved.
[0037] The above is only a preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and inventive concept of the present utility model, makes equivalent substitutions or changes, and should be covered by the protection scope of the present utility model.
Claims
1. A soil ball milling and screening device, comprising a base (1), characterized in that: A first driving motor (2) is provided on the surface of the base (1). The driving end of the first driving motor (2) is connected to a transmission shaft (3). A belt driving wheel (4) is sleeved outside the transmission shaft (3). A traction wheel (6) is further provided at the end of the transmission shaft (3). The outside of the belt driving wheel (4) is connected to a belt driven wheel (10) through a belt. A transmission rod (9) is provided at the center of the belt driven wheel (10). A small gear (11) is further connected to the outside of the other end of the transmission rod (9). A large gear (12) is meshed outside the small gear (11). A ball mill cylinder (13) is connected inside the large gear (12). Feed inlets (14) and a discharge outlet (37) are respectively provided at both ends of the ball mill cylinder (13). A feeding mechanism (18) is connected to the outside of the feed inlet (14). A powder discharging fan (34) is connected to the outside of the discharge outlet (37). A discharge port (15) is provided at the discharging end of the powder discharging fan (34). A screening mechanism (22) is provided at the end of the discharge port (15). One side of the screening mechanism (22) is connected to the outer surface of the traction wheel (6) through a pulling mechanism (23).
2. The soil ball milling and screening device according to claim 1, characterized in that: The feeding mechanism (18) includes a housing connected to the feed inlet (14). A stirring motor (19) is provided at the center of the top of the housing. The driving end of the stirring motor (19) penetrates through the top of the housing and is connected to a stirring shaft (20). Stirring blades (21) are provided outside the stirring shaft (20).
3. The soil ball milling and screening device according to claim 2, characterized in that: Both the housing and the stirring blades (21) are of a conical structure, and the stirring blades (21) are connected in cooperation with the inner cavity of the housing.
4. A soil ball milling and screening device according to claim 1, characterized in that: Support columns (16) are further provided on the surface of the base (1). A second bearing seat (17) is provided at the end of the top of the support column (16). The second bearing seat (17) is respectively movably connected to the feed inlet (14) and the discharge outlet (37).
5. The soil ball milling and screening device according to claim 1, characterized in that: Columns (7) are further provided on the surface of the base (1). Two grooves are provided on the surface of the column (7). Two groups of first bearing seats (8) are symmetrically provided at the top of the column (7). The transmission rod (9) penetrates through the two groups of first bearing seats (8). A belt driven wheel (10) and a small gear (11) are respectively provided in the two grooves.
6. The soil ball milling and screening device according to claim 1, characterized in that: A center frame (5) is further provided on the surface of the base (1), and the center frame (5) is movably connected to the center of the surface of the transmission shaft (3).
7. A soil ball milling and screening device according to claim 1, characterized in that: The screening mechanism (22) includes moving wheels (31) arranged on a track (24) on the surface of the base (1). A screening frame is provided at the top of the moving wheels (31). A plurality of screening bins (27) and a collection bin (30) are sequentially arranged from top to bottom in the screening frame. The screening bins (27) and the collection bin (30) are respectively connected to the screening frame through pulleys and slide rails in cooperation. Clasps (29) are symmetrically provided at the connection positions of the surfaces of the screening bins (27) and the collection bin (30) and the screening frame. Handles (28) are symmetrically provided on the surfaces of the screening bins (27) and the collection bin (30).
8. A soil ball milling and screening device according to claim 7, characterized in that: The pulling mechanism (23) includes a pull rod (26) fixedly connected to the side surface of the screening frame. There are two pull rods (26), and one end of each pull rod (26) is symmetrically and fixedly connected to the side surface of the screening frame. The other ends of the pull rods (26) are each connected to a hinge rod (25) by means of a hinge, and the other end of the hinge rod (25) is hinged to the outer surface of the traction wheel (6).
9. A soil ball milling and screening device according to claim 7, characterized in that: A screening plate (32) is provided inside the screening bin (27). Screening holes (33) are evenly arranged on the surface of the screening plate (32), and the sizes of the screening holes (33) decrease sequentially from top to bottom.
10. A soil ball milling and screening device according to claim 1, characterized in that: An installation seat is provided at the bottom of the powder discharging fan (34). A second driving motor (35) is further provided on the surface of the installation seat. The driving end of the second driving motor (35) is connected to the powder discharging fan (34). The discharging end of the powder discharging fan (34) is connected to a discharging port (15) through a discharging pipe (36).