Pneumatic type soil sample grinding device

Abstract

The utility model relates to a pneumatic type soil sample grinding device and aims to solve the problems of low efficiency, poor uniformity, dust leakage and insufficient applicability of the conventional grinding device. The device comprises a driving device, a rotating shell, a grinding roller, a fixed plate, a grinding blade and a grinding liner pipe. The driving device drives the rotating shell and the grinding roller to rotate at a high speed through mechanical connection, and the grinding blades are vertically distributed, are provided with crushing blades and arc surfaces for assisting sample introduction and are used for efficiently crushing and refining soil samples. The grinding liner pipes in the rotary shell correspond to the grinding blades one by one, so that independent storage of the samples is ensured, and cross contamination is avoided. The sealing pipe is locked with the knob through threaded connection, so that the sealing design is realized, and dust leakage is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to soil sample processing technical field, especially a kind of pneumatic soil sample grinding device. BACKGROUND

[0002] Soil sample grinding is the key step in soil analysis and detection, which can break soil into uniform powder for chemical analysis, particle distribution detection and other experiments. Traditional soil sample grinding method mostly uses manual mortar or simple mechanical grinding equipment, which has the following problems: low grinding efficiency, time-consuming and laborious manual operation, difficult to meet the processing needs of a large number of samples; uneven grinding effect, which can lead to inconsistent sample particle size and affect the accuracy of subsequent analysis; open grinding process, which can easily produce dust leakage, pollute the environment and harm the health of operators; single grinding tool, which is difficult to adapt to soil samples of different hardness and humidity. SUMMARY

[0003] The utility model aims at providing a kind of efficient, uniform, environmental protection pneumatic soil sample grinding device, which realizes the rapid grinding and accurate processing of soil through innovative multi-channel grinding design and automatic sealing system.

[0004] To solve the above technical problems, the utility model provides the following technical scheme: a kind of pneumatic soil sample grinding device, including driving device, the driving shaft end mechanical connection of driving device has rotating shell, rotating shell exterior is fixedly provided with grinding roller, grinding roller includes the fixed plate of several uniform distribution close to rotating shell, the other side of fixed plate is fixedly connected with several uniform distribution grinding blade, the inside of rotating shell is provided with and the grinding inner tube of the corresponding grinding blade.

[0005] Preferably, the fixed plate is distributed on the side wall of the rotating shell with the rotating shell as the center, the grinding blades are vertically distributed above the fixed plate, and the fixed plate is provided with through holes penetrating through itself and located between the grinding blades.

[0006] Preferably, one side of the grinding blade is fixedly connected with a grinding plate, the length of the grinding blade is greater than the height of the grinding plate, the end of the grinding blade away from the fixed plate is a crushing blade, and the grinding plate and the grinding blade are both provided with arc surfaces for assisting sample feeding.

[0007] Preferably, the rotating shell is provided with a sample feeding hole penetrating through itself and corresponding to the through hole, and the side wall of the grinding inner tube is provided with a sample feeding groove penetrating through itself and corresponding to the sample feeding hole.

[0008] Preferably, the grinding inner tube is a tank body provided with an opening at one end, the end of the grinding inner tube sealed is inserted into the rotating shell, and the inside of the side wall of the opening end of the grinding inner tube is provided with a tube sealing, and the length of the tube sealing is greater than the length of the sample feeding groove.

[0009] Preferably, the sealing tube is a tank with an opening at one end, the opening end of the sealing tube is inserted into the inner wall of the grinding inner tube, and the outer wall of the opening end is provided with threads corresponding to the grinding inner tube; the outer side of the sealing end of the sealing tube is fixedly connected with a knob for assisting the locking of the sealing tube and the grinding inner tube to realize the sealing of the sample inlet groove.

[0010] The one or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0011] The device effectively solves the deficiencies of existing soil sample grinding devices in terms of efficiency, uniformity, environmental protection, and applicability through innovative structural design. Specifically, the driving device of the device provides stable power output to drive the rotating shell and grinding rollers to rotate at high speed, thereby achieving efficient grinding operation. The fixed plates and grinding blades on the grinding rollers are evenly distributed to form regular grinding channels, ensuring that the soil samples are evenly distributed and enter the grinding area during the grinding process.

[0012] The design of the grinding blades is particularly important, as one end is provided with a breaking blade that can effectively break up larger soil clumps, and the other side is fixedly connected with a grinding plate that further refines the soil sample particles, ensuring that the ground soil powder is uniform and consistent. The grinding inner tube inside the rotating shell corresponds to the grinding blades one by one, forming independent grinding and collecting channels, avoiding cross-contamination between samples, and simplifying the sample collection process after grinding.

[0013] In addition, the sealing design of the device effectively prevents dust leakage during grinding, protecting the environment and ensuring the health of the operators. By replacing different specifications of the grinding inner tube or adjusting the distribution density of the grinding blades, the device can adapt to soil samples of different particle sizes and humidity, meeting diverse detection needs. This multi-channel integrated design and automated operation not only improves grinding efficiency but also ensures the uniformity and accuracy of the grinding effect, providing an efficient and reliable integrated solution for soil analysis.

[0014] Other advantages, objectives, and features of the present utility model will be described in the subsequent specification to some extent, and to some extent, it will be obvious to those skilled in the art based on the study of the following text or can be taught from the practice of the present utility model. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a perspective view of the utility model of a pneumatic soil sample grinding device;

[0016] Figure 2 is an exploded view of the sampling roller of the utility model of a pneumatic soil sample grinding device;

[0017] Figure 3This is a cross-sectional view of the sampling roller of a pneumatic soil grinding device according to the present invention.

[0018] Figure 4 This is an exploded view of the rotating outer shell structure of a pneumatic soil sample grinding device according to this utility model.

[0019] Figure 5 This is a schematic diagram of the sampling fan principle of a pneumatic soil grinding device according to this utility model.

[0020] As shown in the figure:

[0021] 1. Drive unit; 2. Rotating outer shell; 3. Grinding roller; 4. Fixing plate; 5. Grinding blade; 6. Grinding inner tube; 7. Grinding plate; 8. Crushing blade; 9. Arc surface; 10. Sample inlet hole; 11. Sample inlet groove; 12. Thread; 13. Knob; 61. Sealing tube. Detailed Implementation

[0022] 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.

[0023] It should be noted that the terms "vertical," "horizontal," "up," "down," "left," "right," and similar expressions used in this article are for illustrative purposes only and do not represent the only possible implementation.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the terminology used herein in the description of this invention is for the purpose of describing particular embodiments only and is not intended to limit the invention; the term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0025] like Figure 1 and Figure 2The utility model relates to a kind of pneumatic soil sample grinding device, its core structure includes driving device 1, rotating shell 2, grinding roller 3, fixed plate 4, grinding blade 5 and grinding inner tube 6.The driving device 1 is rotated by mechanical connection driving rotating shell 2, and rotating shell 2 outside fixed cover is equipped with grinding roller 3.Grinding roller 3 contains several evenly distributed fixed plate 4, and fixed plate 4 is closely attached to rotating shell 2 and is distributed around its side wall.Another side of fixed plate 4 is fixedly connected with several evenly distributed grinding blade 5, and grinding blade 5 is vertically distributed above fixed plate 4, and forms corresponding relationship with grinding inner tube 6 in rotating shell 2 by through hole.Grinding inner tube 6 is the tank of one end opening, and its sealing end is inserted into rotating shell 2 inside, and opening end side wall inside is equipped with sealing tube 61, and sealing tube 61 is connected with grinding inner tube 6 by screw thread 12, and is locked by knob 13, to ensure the closure of sample inlet groove 11.

[0026] In the embodiment, driving device 1 provides stable power output, ensures the high-speed rotation of rotating shell 2 and grinding roller 3, so that efficient grinding operation is realized.Fixed plate 4 is distributed around rotating shell 2, forms regular grinding channel, so that soil sample can be evenly distributed and enter grinding area during grinding process.The design of grinding blade 5 is particularly important, one end is provided with crushing blade 8, which can effectively break larger soil blocks, and the other side fixedly connected grinding plate 7 further refines soil sample particles, to ensure that the soil sample powder after grinding is uniform.Rotating shell 2 inside grinding inner tube 6 and grinding blade 5 one-to-one correspondence forms independent grinding and collection channel, avoids cross contamination between samples, and simplifies sample collection process after grinding.

[0027] In addition, the sealing design of the device effectively prevents dust leakage during grinding, protects the environment and ensures the health of operators.By replacing grinding inner tube 6 of different specifications or adjusting the distribution density of grinding blade 5, the device can adapt to soil samples of different particle sizes and humidity, meet diversified detection needs.This multi-channel integrated design and automatic operation not only improves grinding efficiency, but also ensures the uniformity and accuracy of grinding effect, provides an efficient and reliable integrated solution for soil analysis.

[0028] As Figure 3 , 4As shown in FIG. 5, the device realizes efficient soil sample grinding and accurate sample collection through innovative grinding structure and sealing design. One side of the grinding blade 5 is fixedly connected with the grinding plate 7, the length of the grinding blade 5 is greater than the height of the grinding plate 7, the end of the grinding blade 5 away from the fixed plate 4 is provided with a crushing blade 8 for crushing large soil blocks. The grinding plate 7 and the grinding blade 5 are both provided with an arc surface 9 for assisting sample feeding, guiding the soil sample to uniformly enter the grinding area. The rotating shell 2 is provided with a sample feeding hole 10 corresponding to the through hole, and the sample feeding groove 11 on the side wall of the grinding inner tube 6 is precisely connected with the sample feeding hole 10, ensuring that the soil sample can smoothly enter the grinding inner tube 6. The design of the tube sealing 61 ensures the sealing of the grinding inner tube 6, prevents dust leakage, protects the environment and ensures the health of the operator. Through the locking action of the knob 13, the tube sealing 61 is tightly connected with the grinding inner tube 6, realizing efficient sample collection and storage.

[0029] In the present embodiment

[0030] Structure and parameters

[0031] 1. Drive device 1:

[0032] A pneumatic stepping motor is adopted to provide stable power output, the rotation speed range is 01000 revolutions / minute, and the torque range is 0.11 newton meters, ensuring the high-speed stable rotation of the rotating shell 2.

[0033] 2. Rotating shell 2:

[0034] Material: high-strength aluminum alloy, outer diameter 200300 mm, wall thickness 35 mm, ensuring structural strength and durability.

[0035] Design: uniformly distributed fixed plate 4 on the outside, and grinding inner tube 6 corresponding to grinding blade 5 on the inside.

[0036] 3. Grinding roller 3:

[0037] Composed of fixed plate 4 and grinding blade 5, the fixed plate 4 has a thickness of 23 mm, the grinding blade 5 has a length of 100150 mm and a width of 3050 mm, and is made of stainless steel, ensuring stability and durability during grinding.

[0038] 4. Grinding blade 5:

[0039] Crushing blade 8: made of high-hardness alloy steel, length 2030 mm, for efficient crushing of soil blocks.

[0040] Grinding plate 7: made of stainless steel, height 4060 mm, welded to the grinding blade 5 to ensure firm connection.

[0041] 5. Grinding inner tube 6:

[0042] Material: Food-grade plastic or stainless steel, inner diameter 3050mm, length 200-300mm, ensuring the safety and independence of sample storage.

[0043] Design: One end is open, the other end is sealed and inserted into the rotating shell 2, and the inner wall of the open end is provided with a sealing tube 61.

[0044] 6. Sealing tube 61:

[0045] Material: Same as the grinding inner tube 6, one end is open and the other end is sealed.

[0046] Connection method: Connected with the grinding inner tube 6 through thread 12, thread specification M10-M20, ensuring sealing effect.

[0047] The sealing end is fixedly connected with a knob 13 outside, which is made of plastic or metal, with a diameter of 3050mm, facilitating operation.

[0048] Implementation points

[0049] 1. Grinding process:

[0050] The driving device 1 drives the rotation of the rotating shell 2 and the grinding roller 3, the grinding blades 5 break the soil blocks through the crushing blades 8, and the grinding plates 7 further refine the particles. The cambered surface 9 guides the soil sample to enter the grinding area uniformly, ensuring the grinding efficiency and uniformity.

[0051] 2. Sample collection:

[0052] The soil sample enters the grinding inner tube 6 through the sample inlet hole 10 and the sample inlet groove 11, and multiple sets of grinding blades 5 work synchronously to realize rapid grinding and independent storage of the soil sample.

[0053] 3. Sealing and environmental protection:

[0054] The sealing tube 61 is connected with the grinding inner tube 6 through the thread 12, and the knob 13 is locked to close the sample inlet groove 11, preventing dust leakage and protecting the environment and the health of the operator.

[0055] 4. Adaptability:

[0056] By replacing the grinding inner tube 6 of different specifications or adjusting the distribution density of the grinding blades 5, the device can adapt to soil samples of different particle sizes and humidity, meeting the diversified detection needs.

[0057] This device provides an efficient, environmentally friendly and precise integrated solution for soil analysis through innovative multi-channel grinding design and automatic sealing system.

[0058] The use steps of the device are as follows: first, the soil sample is placed in the device, and the driving device 1 is connected with the external air source or control system; then the driving device 1 is started to drive the rotating shell 2 and the grinding roller 3 to rotate at high speed. In the rotating process, the grinding blade 5 breaks the larger soil block by using the crushing blade 8, and the grinding plate 7 and the arc surface 9 on the grinding blade 5 guide the soil sample to enter the grinding area uniformly. The soil sample enters the inside of the rotating shell 2 through the through hole on the fixed plate 4, and enters the grinding inner container pipe 6 through the sample inlet hole 10 and the sample inlet groove 11. The grinding inner container pipe 6 corresponds to the grinding blade 5 one by one, so that the soil sample is uniformly ground and independently stored. When the grinding is completed, the pipe sealing cap 61 is locked with the grinding inner container pipe 6 through the rotary knob 13, the sample inlet groove 11 is closed, and dust leakage is prevented. Finally, the grinding inner container pipe 6 is taken out from the rotating shell 2, and the ground soil sample powder is collected. The whole process does not need to frequently change tools or clean, which significantly improves the grinding efficiency, and ensures the uniformity and environmental protection of the sample.

[0059] Although the utility model has disclosed as above with preferable embodiments, it is not used to limit the utility model, anyone familiar with this technology can make various changes and modifications without departing from the spirit and scope of the utility model, therefore the protection scope of the utility model should be limited by the claims.

Claims

1. A pneumatic soil sample grinding device, comprising a driving device (1), characterized in that: The drive shaft end of the drive device (1) is mechanically connected to a rotating housing (2). A grinding roller (3) is fixedly sleeved on the outside of the rotating housing (2). The grinding roller (3) includes several evenly distributed fixed plates (4) that are closely attached to the rotating housing (2). Several evenly distributed grinding blades (5) are fixedly connected to the other side of the fixed plates (4). The rotating housing (2) is provided with a grinding inner tube (6) corresponding to the grinding blades (5).

2. The pneumatic soil sample grinding device according to claim 1, characterized in that: The fixing plate (4) is distributed around the rotating shell (2) on the side wall of the rotating shell (2). The grinding blades (5) are vertically distributed above the fixing plate (4). The fixing plate (4) is provided with through holes that pass through itself and are located between the grinding blades (5).

3. The pneumatic soil sample grinding device according to claim 1, characterized in that: A grinding plate (7) is fixedly connected to one side of the grinding blade (5). The length of the grinding blade (5) is greater than the height of the grinding plate (7). The end of the grinding blade (5) away from the fixed plate (4) is a breaking blade (8). Both the grinding plate (7) and the grinding blade (5) are provided with an arc surface (9) for auxiliary sample feeding.

4. The pneumatic soil sample grinding device according to claim 2, characterized in that: The rotating outer shell (2) is provided with a sample inlet hole (10) that penetrates itself and corresponds to the through hole, and the grinding inner tube (6) is provided with a sample inlet groove (11) that corresponds to the sample inlet hole (10) and penetrates itself on its side wall.

5. A pneumatic soil sample grinding device according to claim 1, characterized in that: The grinding inner tube (6) is a tank with an opening at one end. The sealed end of the grinding inner tube (6) is inserted into the rotating outer shell (2). The inner wall of the opening end of the grinding inner tube (6) is provided with a sealing tube (61). The length of the sealing tube (61) is greater than the length of the sample inlet (11).

6. A pneumatic soil sample grinding device according to claim 5, characterized in that: The sealing tube (61) is a tank with an opening at one end. The opening end of the sealing tube (61) is inserted into the side wall of the grinding inner tube (6), and the outer wall of the opening end is provided with a thread (12) corresponding to the grinding inner tube (6). A knob (13) is fixedly connected to the outer side of the sealing end of the sealing tube (61) to assist in locking the sealing tube (61) and the grinding inner tube (6) to achieve the sealing of the sample inlet (11).

Images