A soil grinding device with screening function
By introducing coarse grinding barrels, fine grinding barrels, and a multi-stage screen structure into the soil grinding device, the problem of the inability of existing soil grinding devices to screen simultaneously is solved, realizing graded grinding and screening of soil, and improving grinding quality and efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HAINAN ACAD OF FORESTRY SCI (HAINAN ACAD OF MANGROVE RES)
- Filing Date
- 2025-04-28
- Publication Date
- 2026-06-05
AI Technical Summary
Existing soil grinding equipment is not convenient for simultaneous screening of soil during use, and further screening is required after grinding, which affects work efficiency.
A soil grinding device with sieving function was designed, which includes a coarse grinding barrel and a fine grinding barrel, and is equipped with a multi-stage screen structure. The coarse grinding roller and the fine grinding roller work together to achieve multi-stage grinding of soil, and multiple sets of screens are used for grading and screening. The screening efficiency is improved by combining a vibrating motor.
It enables soil grading, grinding, and screening, improving grinding effect and quality, meeting different usage needs, and is easy to operate with quick screen replacement, thus improving work efficiency.
Smart Images
Figure CN224321550U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of soil grinding device technology, specifically a soil grinding device with a sieving function. Background Technology
[0002] Soil is the foundation for the survival and reproduction of organisms, as well as the foundation for human survival and development. Studying the physical and chemical properties and moisture characteristics of soil has always been a fundamental task in the fields of agriculture and construction. Large-scale sampling surveys obtain a large number of soil samples, which need to be ground to facilitate testing.
[0003] An existing multi-purpose soil grinder, as described in Chinese patent application number CN201510382079.3, belongs to the field of grinding equipment. The feed box is located above the grinding chamber, with a first vibrating screen at the feed inlet inside the feed box and a first electronic scale at the bottom. The grinding chamber is divided into a pressure plate box, a roller press box, and a disc grinding box from top to bottom. The pressure plate box includes an upper pressure plate and a lower pressure plate. The roller press box contains a first pair of pressure rollers and a second pair of pressure rollers. The disc grinding box contains a grinding disc. A sample collection tray is located at the bottom of the discharge box, and a second electronic scale is located at the bottom of the sample collection tray. An electrostatic dust collection net is located in the middle of the discharge box. However, existing soil grinding devices are inconvenient for simultaneous soil screening, requiring further screening after grinding, which affects work efficiency.
[0004] Therefore, we propose a soil grinding device with a screening function to solve the problems mentioned above. Utility Model Content
[0005] The purpose of this invention is to provide a soil grinding device with a sieving function to solve the problem mentioned in the background art that the existing soil grinding devices are inconvenient to sieve when used, and require further sieving after grinding, which affects efficiency.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a soil grinding device with a screening function, comprising a shell:
[0007] The upper left side of the housing is connected to a feed inlet, and a coarse grinding barrel is provided inside the upper part of the housing, and a coarse grinding roller is provided inside the coarse grinding barrel. A fine grinding barrel is provided in the middle of the housing, and a fine grinding roller is provided inside the fine grinding barrel.
[0008] The lower front side of the shell is connected to a door, and a support plate is fixed to the inner wall of the lower end of the shell. A screening component is provided at the lower end of the shell, which can classify and screen the ground soil.
[0009] Preferably, the upper end of the feed inlet is funnel-shaped, the coarse grinding barrel is fixed to the inner wall of the shell, the inner wall of the coarse grinding barrel is adapted to the coarse grinding roller, and the coarse grinding roller is tapered.
[0010] By using the above technical solution, the soil can be initially coarsely ground through the combination of coarse grinding barrel and coarse grinding roller.
[0011] Preferably, the fine grinding barrel is disposed below the coarse grinding barrel, and the fine grinding barrel is fixed to the inner wall of the shell, and the fine grinding barrel is adapted to the fine grinding roller.
[0012] Using the above technical solution, the soil after preliminary coarse grinding can be finely ground again by combining the fine grinding barrel and fine grinding roller.
[0013] Preferably, a drive shaft is connected between the coarse grinding roller and the fine grinding roller, and the upper end of the drive shaft extends to the outside of the housing. A first pulley is fixed to the upper end of the drive shaft, a power motor is fixed to the upper right side of the housing, and a second pulley is connected to the lower shaft end of the power motor. A drive belt is connected between the second pulley and the first pulley.
[0014] Using the above technical solution, the power motor can provide power to the grinding structure. The power motor drives the second pulley to rotate, and the second pulley drives the first pulley and the drive shaft to rotate via the transmission belt. The drive shaft can drive the coarse grinding roller and the fine grinding roller to rotate synchronously to complete the grinding of the soil.
[0015] Preferably, the support plates are symmetrically distributed on both sides of the lower end of the shell, and the support plates are arranged in an equidistant array. The lower end of the shell is provided with a first screen, a second screen and a third screen from top to bottom, and the first screen, the second screen and the third screen are respectively installed on the upper end of the support plates. The support plates can support the first screen, the second screen and the third screen on both sides respectively.
[0016] By employing the above technical solution, the soil after screening can be graded and screened through the cooperation of the first screen, the second screen, and the third screen.
[0017] Preferably, the first screen, the second screen, and the third screen are all designed to be inclined, and the aperture of the first screen, the second screen, and the third screen is designed to be from large to small. The lower end of the housing is connected to a discharge port, and the height of the discharge port matches that of the first screen, the second screen, and the third screen.
[0018] By adopting the above technical solution, through multiple sets of screens with different apertures and an inclined design, the ground soil can be graded and screened, and the inclination facilitates feeding.
[0019] Preferably, the rear end of the housing has a groove, and a vibration motor is installed inside the groove.
[0020] By adopting the above technical solution, the screen can be vibrated by a vibration motor, thereby accelerating the screening efficiency of the screen.
[0021] Compared with the prior art, the beneficial effects of this utility model are: the soil grinding device with screening function;
[0022] 1. The two-stage grinding system ensures a finer grinding effect, improves product quality, and enables graded grinding of soil. The coarse grinding initially breaks down the soil, while the fine grinding further refines it, thus improving the grinding effect and quality. Combined with the multi-stage screening structure, the ground soil can be graded and screened to meet different application needs.
[0023] 2. Multiple sets of screens are supported and installed using support plates. The multiple sets of screens with different apertures can classify and screen the ground soil. The screens can be quickly disassembled and assembled after the door is opened. Different screens with different apertures can be replaced as needed, improving the convenience of operation. Attached Figure Description
[0024] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0025] Figure 2 This is a schematic diagram of the shell and feed inlet structure of this utility model;
[0026] Figure 3 This is a schematic cross-sectional view of the shell structure of this utility model;
[0027] Figure 4 This is a schematic diagram of the first screen and support plate structure of this utility model;
[0028] Figure 5 This is a schematic diagram of the housing and vibration motor structure of this utility model.
[0029] In the diagram: 1. Shell; 2. Feed inlet; 3. Coarse grinding barrel; 4. Coarse grinding roller; 5. Fine grinding barrel; 6. Fine grinding roller; 7. Power motor; 8. First pulley; 9. Second pulley; 10. Transmission belt; 11. Door; 12. Support plate; 13. First screen; 14. Second screen; 15. Third screen; 16. Discharge port; 17. Vibration motor; 18. Control switch. Detailed Implementation
[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0031] Please see Figure 1-5This utility model provides a technical solution: a grinding device with a screening function, including a shell 1, a feed inlet 2 connected to the upper left side of the shell 1, the shell 1 is composed of two parts spliced together and fixed by bolt structure after splicing, a sealing ring is provided between the two parts of the shell 1 to ensure the sealing after assembly, and the shell 1 is made of ABS plastic, and a coarse grinding barrel 3 is provided at the upper end of the shell 1, and a coarse grinding roller 4 is provided inside the coarse grinding barrel 3, and a fine grinding barrel 5 is provided in the middle of the shell 1, and a fine grinding roller 6 is provided inside the fine grinding barrel 5; the upper end of the feed inlet 2 is designed in the shape of a funnel, the feed inlet 2 is made of polyethylene, and the feed inlet 2 can be disassembled. The coarse grinding barrel 3 is fixed to the inner wall of the housing 1, and the inner wall of the coarse grinding barrel 3 is adapted to the coarse grinding roller 4, which has a conical design. The fine grinding barrel 5 is located below the coarse grinding barrel 3, and the fine grinding barrel 5 is fixed to the inner wall of the housing 1, and is adapted to the fine grinding roller 6. The coarse grinding roller 4, the fine grinding roller 6, the coarse grinding barrel 3, and the fine grinding barrel 5 are all made of quartz. The coarse grinding barrel 3 and the fine grinding barrel 5 are locked and fixed to the inner wall of the housing 1. After locking, rotation and movement can be restricted. After the housing 1 is disassembled, the coarse grinding barrel 3 and the fine grinding barrel 5 can be disassembled and the coarse grinding roller 4 and the fine grinding roller 6 can be taken out for cleaning. The lower end of the housing 1 is provided with rubber support legs to keep it stable when placed on the ground during use. At the same time, the rubber material can reduce noise during operation. During use, soil is put into the housing 1 through the feed port 2.
[0032] A drive shaft connects the coarse grinding roller 4 and the fine grinding roller 6. The drive shaft is coated with a wear-resistant coating and extends to the outside of the housing 1. A first pulley 8 is fixed to the upper end of the drive shaft. A power motor 7 is fixed to the upper right side of the housing 1. A second pulley 9 is connected to the lower shaft of the power motor 7. A drive belt 10 connects the second pulley 9 and the first pulley 8. When the power motor 7 is started, it drives the second pulley 9 to rotate. The second pulley 9 drives the first pulley 8 and the drive shaft to rotate via the drive belt 10. The drive shaft drives the coarse grinding roller 4 and the fine grinding roller 6 to rotate synchronously. The coarse grinding roller 4 and the coarse grinding barrel 3 work together to achieve preliminary grinding of the soil. The fine grinding barrel 5 and the fine grinding roller 6 work together to achieve further grinding. The ground material is fed into the lower part of the housing 1.
[0033] A door 11 is connected to the lower front side of the housing 1. A power switch (18) for controlling the power motor 7 and the vibration motor 17 can be installed on the housing 1. The power motor 7 and the vibration motor 17 are both electrically connected to an external power source. A support plate 12 is fixed to the inner wall of the lower end of the housing 1. The support plate 12 is made of ABS plastic. A screening component is installed at the lower end of the housing 1. The screening component can classify and screen the ground soil. The support plates 12 are symmetrically distributed on both sides of the lower end of the housing 1. The support plates 12 are arranged in an equidistant array. The lower end of the housing 1 is arranged from top to bottom as follows: The system includes a first screen 13, a second screen 14, and a third screen 15. All three screens are made of polyurethane, with ABS plastic frames. They are mounted on the upper part of a support plate 12, which supports both sides of each screen. All three screens are designed with an inclined profile, and their aperture sizes decrease from large to small. The lower end of the housing 1 is connected to a feed port 16, which is made of polyethylene and is height-matched to the first screen 13, the second screen 14, and the third screen 15. A groove is provided at the rear end of the housing 1, and a vibration motor 17 is installed inside the groove. The ground soil first falls onto the top of the first screen 13, and then sequentially falls onto the second screen 14 and the third screen 15 for screening. The first screen 13 and the third screen 15 are tilted to the left, and the second screen 14 is tilted to the right, facilitating multi-directional feeding. The soil remaining after screening by the inclined lower part of the first screen 13 and the second screen 14 and the third screen 15 can be discharged through the discharge port 16. The first screen 13, the second screen 14 and the third screen 15 are all supported by the support plate 12. When the box door 11 is opened, the screen can be pulled out directly, which allows for quick disassembly and assembly. Screens of different mesh sizes can be quickly replaced as needed. The vibration motor 17 can accelerate the screening efficiency of multiple screens. At the same time, the vibration motor 17 can drive the whole device to vibrate slightly, which can avoid blockage inside the grinding structure and reduce material residue inside the grinding structure.
[0034] This completes a series of tasks. The contents not described in detail in this specification are existing technologies known to those skilled in the art.
[0035] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A soil grinding device with a screening function, comprising a housing (1), characterized in that: The upper left side of the shell (1) is connected to a feed inlet (2), and a coarse grinding barrel (3) is provided inside the upper part of the shell (1), and a coarse grinding roller (4) is provided inside the coarse grinding barrel (3). A fine grinding barrel (5) is provided in the middle of the shell (1), and a fine grinding roller (6) is provided inside the fine grinding barrel (5). The lower front side of the shell (1) is connected to a door (11), and a support plate (12) is fixed to the inner wall of the lower end of the shell (1). A screening component is provided at the lower end of the shell (1), which can classify and screen the ground soil.
2. A soil grinding device with screening function according to claim 1, characterized in that: The upper end of the feed inlet (2) is designed in the shape of a funnel. The coarse grinding barrel (3) is fixed to the inner wall of the shell (1), and the inner wall of the coarse grinding barrel (3) is adapted to the coarse grinding roller (4). The coarse grinding roller (4) is designed in the shape of a cone.
3. A soil grinding device with screening function according to claim 1, characterized in that: The fine grinding barrel (5) is located below the coarse grinding barrel (3), and the fine grinding barrel (5) is fixed to the inner wall of the shell (1), and the fine grinding barrel (5) is adapted to the fine grinding roller (6).
4. A soil grinding device with screening function according to claim 1, characterized in that: A drive shaft is connected between the coarse grinding roller (4) and the fine grinding roller (6), and the upper end of the drive shaft extends to the outside of the housing (1). A first pulley (8) is fixed at the upper end of the drive shaft. A power motor (7) is fixed at the upper right side of the housing (1), and a second pulley (9) is connected to the lower shaft end of the power motor (7). A drive belt (10) is connected between the second pulley (9) and the first pulley (8).
5. A soil grinding device with screening function according to claim 1, characterized in that: The support plates (12) are symmetrically distributed on both sides of the lower end of the shell (1), and the support plates (12) are distributed in an equidistant array. The lower end of the shell (1) is provided with a first screen (13), a second screen (14) and a third screen (15) from top to bottom. The first screen (13), the second screen (14) and the third screen (15) are respectively installed on the upper end of the support plates (12). The support plates (12) can support the first screen (13), the second screen (14) and the third screen (15) on both sides respectively.
6. A soil grinding device with screening function according to claim 5, characterized in that: The first screen (13), the second screen (14) and the third screen (15) are all designed to be inclined, and the aperture of the first screen (13), the second screen (14) and the third screen (15) is designed to be from large to small. The lower end of the housing (1) is connected to the discharge port (16), and the height of the discharge port (16) matches that of the first screen (13), the second screen (14) and the third screen (15).
7. A soil grinding device with screening function according to claim 1, characterized in that: The rear end of the housing (1) has a groove, and a vibration motor (17) is installed inside the groove.