Efficient soil grinding pretreatment device
By designing an automatic multi-stage grinding and screening soil grinding device, the problems of high labor intensity and low efficiency in manual screening in the existing technology have been solved, and efficient automatic screening and clean continuous operation have been achieved.
Patent Information
- Application Number
- CN202422792040.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-11-15
AI Technical Summary
Existing soil grinding devices require manual sieving after grinding, which is labor-intensive, results in poor grinding effect, is inefficient, and cannot achieve automatic multi-stage sieving.
A high-efficiency soil grinding pretreatment device was designed, comprising a tank, a fixed grinding disc, and a rotating grinding cone. It is equipped with multi-stage screens and a conveying auger to achieve automatic multi-stage grinding and screening. The screens are cleaned by scrapers and brushes, and unqualified particles are automatically circulated and ground. It is also equipped with electric heating elements and a cleaning system.
It achieves automatic multi-stage grinding and screening, improves grinding effect and work efficiency, reduces manual intervention, prevents screen clogging, and ensures clean and continuous operation.
Smart Images
Figure CN223556069U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to soil grinding device technical field, especially in kind high -efficient soil grinding pretreatment device. BACKGROUND
[0002] In the field of soil science research, agricultural production and environmental monitoring, soil samples are usually ground and pretreated, fully refined, then dissolved in special solvents, and then various substances contained therein are purified, analyzed and detected. The grinding device currently used cannot automatically screen after grinding, and the sample with unqualified particle size needs to be manually screened and then re-ground, which is labor-intensive, has poor grinding effect and low efficiency. SUMMARY
[0003] The technical problem to be solved by the utility model is to provide a kind of high -efficient soil grinding pretreatment device, can realize multistage automatic grinding screening, and can automatically cycle grinding screening to soil particles that do not meet the requirements, without manual intervention, good grinding effect, high working efficiency.
[0004] To solve the above technical problems, the technical scheme of the utility model is a kind of high -efficient soil grinding pretreatment device, including tank body, fixedly installed fixed grinding disc in tank body and rotationally installed grinding cone in tank body, rotating shaft for driving grinding cone rotation;The inner cavity of the tank body is located below the fixed grinding disc and is provided with a first screen and a second screen;First screen and second screen are both umbrella-shaped;The connection of tank body and first screen and second screen is all provided with opening, and the outer wall of tank body is provided with lifting auger;The upper outlet of lifting auger is communicated with the inner cavity of tank body by conveying pipe.
[0005] Further, the bottom of the grinding cone is fixedly connected with an extension shaft;The side wall of the extension shaft is fixedly connected with a scraper.
[0006] Further, the bottom of the scraper is provided with a brush.
[0007] Further, the side wall of the extension shaft is also provided with a grinding roller.
[0008] Further, the fixed grinding disc is fixedly installed on the baffle in the tank body;The edge of the grinding surface of the top of the fixed grinding disc is fixedly connected with the inner cavity top of the tank body.
[0009] Further, the inlet of the tank body is provided with an inlet pipe, and the outlet of the feeding auger located above the tank body is communicated with the inlet pipe;The inlet of the feeding auger is communicated with the storage tank located above it.
[0010] Further, the top of the tank body is communicated with a water inlet pipe.
[0011] Further, a plurality of electric heating sheets are arranged in the tank body.
[0012] Further, the rotating shaft is connected with a motor arranged on the top of the tank body; the top of the grinding cone is fixedly connected with a transmission sleeve; the side wall of the rotating shaft is fixedly connected with a plurality of transmission blocks; the inner wall of the transmission sleeve is provided with grooves in sliding connection with the transmission blocks; the transmission sleeve is rotationally arranged on a push plate, and the top of the inner cavity of the tank body and the push plate are connected through a plurality of electric push rods.
[0013] Further, a flexible protective pipe is arranged between the top of the grinding cone and the top of the inner cavity of the tank body.
[0014] The utility model discloses beneficial effects:
[0015] After the soil sample enters the tank body, the soil sample is ground on the grinding surface between the grinding cone and the fixed grinding disc, and the ground soil falls on the first screen cloth below, the soil meeting the particle size requirement falls on the second screen cloth through the mesh of the first screen cloth, and the soil meeting the particle size requirement also falls into the lower part of the inner cavity of the tank body through the mesh of the second screen cloth, and finally is discharged from the discharge port. The soil particles not meeting the particle size requirement intercepted on the first screen cloth and the second screen cloth all enter the material lifting auger through the opening, and the material lifting auger conveys the soil particles to the inside of the tank body to be ground and screened again. The utility model can realize multi-stage automatic grinding and screening, and can automatically cycle the soil particles not meeting the requirement for grinding and screening, without manual intervention, with good grinding effect and high working efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is an internal schematic view of the overall structure of embodiment 1.
[0017] Figure 2 It is an internal schematic view of the overall structure of embodiment 2.
[0018] Figure 3 It is Figure 2 It is a local enlarged view of position A in the middle.
[0019] Figure 4 It is a cross-sectional view of the transmission sleeve and the rotating shaft.
[0020] In the figure, 1 is a tank body, 2 is a fixed grinding disc, 3 is a grinding cone, 4 is a rotating shaft, 5 is a motor, 6 is a partition plate, 7 is a first screen cloth, 8 is a second screen cloth, 9 is an extension shaft, 10 is a scraper, 11 is a grinding roller, 12 is an opening, 13 is a material lifting auger, 14 is a material guiding cone, 15 is a conveying pipe, 16 is an electric heating sheet, 17 is a water inlet pipe, 18 is a material conveying auger, 19 is a material storage tank, 20 is a transmission sleeve, 21 is a transmission block, 22 is a push plate, 23 is an electric push rod, 24 is a flexible protective pipe, and 25 is a brush. DETAILED DESCRIPTION
[0021] The specific embodiments of the present application will be further described in conjunction with the accompanying drawings. It should be noted that the description of these embodiments is used to help understand the present application, but does not constitute a limitation on the present application. In addition, the technical features involved in each embodiment of the present application described below can be combined with each other as long as they do not conflict with each other.
[0022] Embodiment 1
[0023] A kind of efficient soil grinding pretreatment device, as shown in Figure 1 It includes tank body 1, fixedly installed in the fixed grinding disc 2 of tank body 1 and the grinding cone 3 of rotation installation in tank body 1, the rotating shaft 4 of driving grinding cone 3 rotation;Grinding cone 3 fixed installation tank body 1 The inner cavity of the lower portion of fixed grinding disc 2 is equipped with first screen 7 and second screen 8;First screen 7 and second screen 8 are all umbrella-shaped;The connection of tank body 1 and first screen 7 and second screen 8 are all opened with opening 12, and the outer wall of tank body 1 is equipped with lifting auger 13;The upper outlet of lifting auger 13 is communicated with the inner cavity of tank body 1 by conveying pipe 15.The mesh of first screen 7 is greater than that of second screen 8.
[0024] After the soil sample enters tank body 1, it enters the grinding surface between grinding cone 3 and fixed grinding disc 2 for grinding, and the ground soil falls on the first screen 7 below, the soil meeting the particle size requirement falls on the second screen 8 through the mesh of first screen 7, and the soil meeting the particle size requirement also falls into the inner cavity of the tank through the mesh of second screen 8, and finally is discharged from the discharge port. The soil particles not meeting the particle size requirement intercepted on the first screen 7 and the second screen 8 all enter the lifting auger 13 through the opening 12, and the lifting auger 13 transports them to the inside of the tank body 1 for re-grinding and screening, realizing multi-stage automatic grinding and screening, and automatically recycling the soil particles not meeting the requirements for grinding and screening, without manual intervention, good grinding effect and high work efficiency.
[0025] Specifically, the bottom of the grinding cone 3 is fixedly connected with an extension shaft 9, and the side wall of the extension shaft 9 is fixedly connected with a scraper 10. The rotation of the scraper 10 can push the soil intercepted on the first screen 7 and the second screen 8 until the soil is driven to the opening 12, promoting the soil particles to be discharged from the opening 12.
[0026] Specifically, the bottom of the scraper 10 is provided with a brush 25. The bottom of the brush 25 is in contact with the surface of the first screen 7 and the second screen 8, and the rotation of the brush 25 can clean the mesh, preventing the screen from being blocked.
[0027] Specifically, the side wall of the extension shaft 9 is also provided with a grinding roller 11. The grinding roller 11 plays a role of further crushing the grinding, and can further improve the grinding effect and grinding efficiency.
[0028] Specifically, the fixed grinding disc 2 is fixedly installed on the partition plate 6 in the tank body 1; the edge of the grinding surface at the top of the fixed grinding disc 2 is fixedly connected with the inner cavity top of the tank body 1.
[0029] Specifically, in order to realize continuous grinding and improve work efficiency, the tank body 1 is provided with a feeding pipe at the feeding port, the feeding pipe is in communication with the outlet of the feeding auger 18 located above the tank body 1; the feeding port of the feeding auger 18 is in communication with the storage tank 19 located above the feeding auger 18. The soil sample to be ground and pretreated is placed in the storage tank 19, and then the storage tank 19 is closed. The soil in the storage tank 19 can be transported into the tank body 1 at a certain speed by the feeding auger 18, so as to realize continuous grinding. Dust can be prevented from escaping from the feeding port of the tank body 1 during the grinding process, thereby polluting the environment and the health of the personnel.
[0030] Specifically, the tank body 1 is provided with a water inlet pipe 17 at the top. After a grinding task is completed, clean water is supplied into the tank body 1 through the water pipe 17, so that the entire device is kept in a working state. The clean water can clean the grinding surface and then clean the first screen 7 and the second screen 8 below. Clean water can also be added to the storage tank 19 at the same time to clean the storage tank 19 and the feeding auger 18. The cleaned water also enters the tank body 1 for cleaning, which can prevent cross infection between different soil samples to a certain extent.
[0031] Specifically, a plurality of electric heating sheets 16 are arranged in the tank body 1. The electric heating sheets 16 can be arranged at the inner wall of the tank body 1, the bottom of the partition plate 6, etc. The electric heating sheets 16 can increase the temperature in the inner cavity of the tank body 1. On the one hand, the soil can be dried during the grinding process, and on the other hand, the water evaporation can be accelerated after cleaning, and the soil can be dried before the next grinding.
[0032] Embodiment 2
[0033] A high-efficiency soil grinding and pretreatment device, as shown in Figures 2-4 Compared with embodiment 1, only the connection mode between the grinding cone 3 and the rotating shaft 4 is changed, and the remaining structure is the same as that of embodiment 1.
[0034] Specific, the rotating shaft 4 is connected with the motor 5 installed on the top of the tank body 1, the top of the grinding cone 3 is fixedly connected with a transmission sleeve 20, the side wall of the rotating shaft 4 is fixedly connected with a plurality of transmission blocks 21, the inner wall of the transmission sleeve 20 is provided with a groove in sliding connection with the transmission blocks 21, the transmission sleeve 20 is rotatably installed on a push plate 22, and the top of the inner cavity of the tank body 1 is connected with the push plate 22 through a plurality of electric push rods 23. The vertical height of the grinding cone 3 can be adjusted by controlling the electric push rods 23, so that the size of the gap between the grinding surface of the grinding cone 3 and the fixed grinding disc 2 is adjusted, and the grinding effect is adjusted.
[0035] Specifically, a flexible protective pipe 24 is installed between the top of the grinding cone 3 and the top of the inner cavity of the tank body 1. The flexible protective pipe 24 can be made of dustproof cloth or corrugated pipe and the like, which can prevent dust from affecting the transmission effect between the electric push rod 23, the transmission sleeve 20 and the rotating shaft 4.
[0036] The working principle of the utility model:
[0037] Before work, the soil sample to be ground is pre-processed and placed in the storage tank 19, and then the storage tank 19 is closed. When working, the material conveying auger 18, the motor 5 and the material lifting auger 13 are started. The motor 5 drives the rotating shaft 4 to rotate, thereby driving the grinding cone 3 to rotate. The material conveying auger 18 conveys the soil sample in the storage tank 19 into the tank body 1 at a certain speed and grinds it on the grinding surface between the grinding cone 3 and the fixed grinding disc 2. The rotation of the grinding cone 3 also drives the extension shaft 9 and the baffle 10 and the grinding roller 11 installed on the extension shaft 9 to rotate. The grinding roller 11 can further crush and grind the soil intercepted on the first screen 7 and the second screen 8. The rotation of the baffle 10 can push the soil intercepted on the first screen 7 and the second screen 8 until the soil is driven to the opening 12, so that the soil particles enter the material lifting auger 13 from the opening 12, and the material lifting auger 13 conveys them into the tank body 1 for regrinding and screening. The device realizes multi-stage automatic grinding and screening, and can automatically grind and screen the soil particles that do not meet the requirements without manual intervention, has good grinding effect and high working efficiency. The rotation of the brush 25 at the bottom of the baffle 10 can clean the mesh, preventing the screen from being blocked.
[0038] After the grinding task is completed, clean water is supplied to the tank body 1 through the water pipe 17 to keep the device in working condition. The clean water washes the grinding surface and then washes the first screen 7 and the second screen 8 below. Clean water can also be added to the storage tank 19 to wash the storage tank 19 and the material conveying auger 18, and the washed water also enters the tank body 1 for washing. This can prevent cross infection between different soil samples to some extent. After washing, the electric heating sheet 16 is turned on. The electric heating sheet 16 can increase the temperature in the inner cavity of the tank body 1 and accelerate water evaporation. After drying, the next grinding can be carried out.
[0039] The embodiments of the present application are described in detail in combination with the drawings, but the present application is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and variations of the embodiments can be made without departing from the principles and spirits of the present application, and still fall within the protection scope of the present application.
Claims
1. A high-efficiency soil grinding pretreatment device, comprising a tank body (1), a fixed grinding disc (2) fixedly installed in the tank body (1) and a grinding cone (3) rotatably installed in the tank body (1), and a rotating shaft (4) for driving the grinding cone (3) to rotate; characterized in that: The inner cavity of the tank body (1) is below the fixed grinding disc (2) and is provided with a first screen (7) and a second screen (8); the first screen (7) and the second screen (8) are both umbrella-shaped; the connection part of the tank body (1) and the first screen (7) and the second screen (8) is provided with an opening (12), and the outer wall of the tank body (1) is provided with a material lifting auger (13); the upper outlet of the material lifting auger (13) is communicated with the inner cavity of the tank body (1) through a conveying pipe (15).
2. The high efficiency soil grinding pre-treatment device of claim 1, wherein: The bottom of the grinding cone (3) is fixedly connected with an extension shaft (9); the side wall of the extension shaft (9) is fixedly connected with a scraper (10).
3. The high efficiency soil grinding pre-treatment device of claim 2, wherein: The bottom of the scraper (10) is provided with a brush (25).
4. The high efficiency soil grinding pre-treatment device of claim 2, wherein: The side wall of the extension shaft (9) is also provided with a grinding roller (11).
5. The high efficiency soil grinding pre-treatment device of claim 1, wherein: The fixed grinding disc (2) is fixedly installed on the partition plate (6) in the tank body (1); the edge of the grinding surface of the top of the fixed grinding disc (2) is fixedly connected with a material guiding cone cylinder (14) between the top of the inner cavity of the tank body (1).
6. The high efficiency soil grinding pre-treatment device of any one of claims 1-5, wherein: The tank body (1) is provided with an inlet pipe at the inlet; the inlet pipe is communicated with the outlet of the material conveying auger (18) above the tank body (1); the inlet of the material conveying auger (18) is communicated with the storage tank (19) above it.
7. The high efficiency soil grinding pre-treatment device of claim 1, wherein: The top of the tank body (1) is communicated with a water inlet pipe (17).
8. The high efficiency soil grinding pre-treatment device of claim 1, wherein: The tank body (1) is provided with a plurality of electric heating sheets (16).
9. The high efficiency soil grinding pre-treatment device of any one of claims 1-5, wherein: The rotating shaft (4) is connected with the motor (5) installed on the top of the tank body (1); the top of the grinding cone (3) is fixedly connected with a transmission sleeve (20); the side wall of the rotating shaft (4) is fixedly connected with a plurality of transmission blocks (21); the inner wall of the transmission sleeve (20) is provided with a groove in sliding connection with the transmission blocks (21); the transmission sleeve (20) is rotatably installed on the push plate (22), and the top of the inner cavity of the tank body (1) and the push plate (22) are connected through a plurality of electric push rods (23).
10. The high efficiency soil grinding pre-treatment device of claim 9, wherein: The top of the grinding cone (3) and the top of the inner cavity of the tank body (1) are provided with a flexible protective pipe (24).