Automatic precise soil sample preparation device for physical model experiment
The design of an automated soil sample preparation device has solved the problems of low efficiency and poor consistency in traditional sample preparation methods, achieving high efficiency and accurate quantification of soil sample preparation.
Patent Information
- Application Number
- CN202420038772.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-05
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-01-05
AI Technical Summary
Traditional laboratory sample preparation methods are inefficient, waste human and material resources, and it is difficult to ensure consistency between different batches of soil samples.
Design an automated soil sample preparation device, including a processing box, a mixing unit and a heating unit, combined with a sample preparation grid and a pressure block, to achieve automated heating, mixing and compaction of soil, and ensure the consistency of soil samples through automated process.
It improved sample preparation efficiency, reduced human error, and enabled precise quantitative sample preparation for different batches of soil samples, ensuring the consistency of soil sample quality.
Smart Images
Figure CN222318579U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of soil sample experiments, in particular to an automated soil sample precision preparation device for physical model experiments. Background Art
[0002] When conducting a series of physical model experiments, laboratories usually need to prepare soil samples in advance. The quality of the samples determines whether the physical model experiments can be successful and whether the data obtained in the end is accurate. Traditional laboratory sample preparation uses the method of making molds first and then using the molds to prepare samples. This has low manufacturing efficiency, resulting in a waste of manpower and material resources, and is completely dependent on manual operations. It is difficult to ensure that soil samples from different batches are completely consistent.
[0003] There is an urgent need for a preparation device that can automatically and accurately prepare soil samples. Utility Model Content
[0004] The technical problem to be solved by the utility model is to provide an automated soil sample precision preparation device.
[0005] The utility model solves the above technical problems with the following technical solutions: An automated soil sample precision preparation device for physical model experiments, comprising a processing box, a stirring part and a heating part are arranged in the processing box, and an outlet is arranged on one side of the processing box;
[0006] And a base and a base column, the base is located at the outlet side of the processing box, a sample preparation grid is arranged above the base, a plurality of pressure blocks are arranged above the sample preparation grid, the pressure blocks correspond to the sample preparation grid one by one and the bottom ends extend into the sample preparation grid, the base column is located at one side of the base, the base is rotatably mounted on the outer peripheral wall of the base column, and the sample preparation grid and the pressure blocks can be lifted and lowered on the base column.
[0007] The beneficial effects of the utility model are as follows: the processing box heats and stirs the soil for pre-treatment, and then the sample preparation grid and the pressure block cooperate to prepare the sample. After the sample preparation is completed, the sample preparation grid and the pressure block rise and separate, with a high degree of automation, reducing human operation errors, and realizing accurate quantitative sample preparation of different batches of soil samples.
[0008] On the basis of the above technical solution, the present invention can also be improved as follows.
[0009] Furthermore, it also includes a feed box located above the processing box, and a plurality of feed slots are provided in the feed box;
[0010] One end of a plurality of feed pipes is fixedly connected to the bottom of the feed trough, the other end of the feed pipe is communicated with the processing box, and a first valve is installed on the feed pipe.
[0011] The beneficial effect of adopting the above further scheme is that the number and volume of soil required are determined according to the number and size of the feeding troughs to achieve quantification.
[0012] Furthermore, a plurality of discharge pipes are fixedly connected to the outlet side of the processing box, the discharge pipes point to the sample preparation grid, and a second valve is arranged on the discharge pipes.
[0013] The beneficial effect of adopting the above further solution is that after the processing box finishes processing the soil, the soil is discharged through the discharge pipe, and the second valve prevents the soil from falling out during the processing of the processing box.
[0014] Furthermore, a first telescopic power source is installed on the outer wall of the processing box on the other side relative to the discharge pipe, the telescopic end of the first telescopic power source extends into the processing box and is fixedly connected to a push plate, and the first telescopic power source drives the push plate to move toward the discharge pipe.
[0015] The beneficial effect of adopting the above further solution is that the processed soil is pushed out from the discharge pipe by the push plate.
[0016] Furthermore, a second telescopic power source is fixedly connected to the bottom of the processing box. The second telescopic power source is located below the outlet end of the discharge pipe. The telescopic end of the second telescopic power source points to the top surface of the sample preparation grid and is fixedly connected to a scraper.
[0017] The beneficial effect of adopting the above further solution is that after the soil is poured into the sample preparation grid, the scraper moves to the top surface of the sample preparation grid to scrape off excess soil.
[0018] Further, the stirring part includes a third telescopic power source, the third telescopic power source is fixedly installed on the inner top surface of the processing box, the telescopic end of the third telescopic power source points to the bottom surface of the processing box and is fixedly connected to the stirrer;
[0019] The heating part includes a heating wire, and the heating wire is installed on the bottom surface of the processing box.
[0020] The beneficial effect of adopting the above further scheme is that the stirrer descends to stir the soil, then rises to avoid the push plate, and the heating wire dries the soil.
[0021] Furthermore, a rotating drum is sleeved on the base column, one end of a first connecting rod is fixedly connected to the outer peripheral wall of the rotating drum, and the other end of the first connecting rod is fixedly connected to the base;
[0022] A first rotating power source is also installed on the base column, a driving gear is installed on the output shaft of the first rotating power source, a gear ring is fixedly connected to the outer peripheral wall of the rotating drum, and the driving gear is meshed with the gear ring.
[0023] The beneficial effect of adopting the above further solution is that the rotating drum drives the base to rotate, and the prepared soil sample is rotated to one side, which is convenient for the staff to take.
[0024] Furthermore, a fourth telescopic power source is fixedly connected to the side wall of the rotating drum, and a telescopic end of the fourth telescopic power source points to the base and is fixedly connected to a penetration needle.
[0025] The beneficial effect of adopting the above further scheme is: the strength of the finished soil sample is tested by puncturing with a penetration needle.
[0026] Furthermore, a first slide groove is opened on the side wall of the base column, and the length direction of the first slide groove is perpendicular to the ground. A first screw is rotatably installed in the first slide groove, and a second rotating power source is also installed in the first slide groove. The second rotating power source is dynamically connected to the first screw. One end of a second connecting rod is fixedly connected to the side wall of the sample preparation grid, and the other end of the second connecting rod extends into the first slide groove and is threadedly connected to the first screw.
[0027] The beneficial effects of adopting the above further solution are: the first screw rotates to drive the sample preparation grid to rise and fall, the structure is simple, and the position control is precise.
[0028] Furthermore, one end of a third connecting rod is fixedly connected to the top of the base column, and a hydraulic lifting column is installed at the other end of the third connecting rod. The telescopic end of the hydraulic lifting column points to the base and is fixedly connected to the pressure block.
[0029] The beneficial effect of adopting the above further solution is that the hydraulic lifting column drives the pressure block to rise and fall, compacting the soil to prepare the sample. BRIEF DESCRIPTION OF THE DRAWINGS
[0030] Figure 1 It is a front schematic diagram of the utility model.
[0031] Figure 2 It is a side schematic diagram of the utility model.
[0032] Figure 3 It is a schematic diagram of the feeding box of the utility model.
[0033] Figure 4 It is a schematic diagram of a processing box of the present utility model.
[0034] Figure 5 It is a schematic diagram of the base column of the utility model.
[0035] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0036] 1. Processing box; 2. Base; 3. Base column; 4. Sample preparation grid; 5. Pressure block; 6. Feed box; 7. Feed trough; 8. Weight sensor; 9. Feed pipe; 10. First valve; 11. Discharge pipe; 12. Second valve; 13. First telescopic power source; 14. Push plate; 15. Second telescopic power source; 16. Scraper; 17. Third telescopic power source; 18. Agitator; 19. Heating wire; 20. Rotating drum; 21. First connecting rod; 22. Drive gear; 23. Gear ring; 24. Fourth telescopic power source; 25. Penetration needle; 26. First slide groove; 27. First screw; 28. Second connecting rod; 29. Third connecting rod; 30. Hydraulic lifting column. DETAILED DESCRIPTION
[0037] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.
[0038] Example 1
[0039] like Figure 1 to Figure 2 As shown, an automated soil sample precision preparation device for physical model experiments includes a processing box 1, a stirring part and a heating part are arranged in the processing box 1, and an outlet is arranged on one side of the processing box 1;
[0040] And a base 2 and a base column 3, the base 2 is located at the outlet side of the processing box 1, a sample preparation grid 4 is arranged above the base 2, a plurality of pressure blocks 5 are arranged above the sample preparation grid 4, the pressure blocks 5 correspond to the sample preparation grid 4 one by one and the bottom ends extend into the sample preparation grid 4, the base column 3 is located at one side of the base 2, the base 2 is rotatably mounted on the outer peripheral wall of the base column 3, and the sample preparation grid 4 and the pressure blocks 5 can be lifted and lowered on the base column 3.
[0041] The beneficial effects of this embodiment are as follows: the soil sample is put into the processing box 1, the processing box 1 pre-treats the soil by heating and stirring, and then it is sent into the sample preparation grid 4 from the outlet side, and the upper pressure block 5 presses down to cooperate with the sample preparation grid 4 to compact the soil to form soil cubes. After the sample preparation is completed, the sample preparation grid 4 and the pressure block 5 rise and separate, leaving the soil cube on the base 2 for easy access by the staff. The high degree of automation reduces human operation errors and realizes accurate quantitative sample preparation.
[0042] On the basis of this embodiment, the number of grids of the sample preparation grid 4 is preferably four, and the number of the pressure blocks 5 corresponds to the number of grids of the sample preparation grid 4 one by one.
[0043] Example 2
[0044] like Figure 3As shown, preferably, on the basis of embodiment 1, it further includes a feed box 6 located above the processing box 1, and a plurality of feed slots 7 are provided in the feed box 6;
[0045] One end of a plurality of feed pipes 9 is fixedly connected to the bottom of the feed trough 7 , and the other end of the feed pipe 9 is communicated with the processing box 1 . A first valve 10 is installed on the feed pipe 9 .
[0046] The beneficial effect of adopting the preferred scheme in the above embodiment is: the worker puts the soil into the feed trough 7, determines the number and volume of the required soil according to the number and size of the feed trough 7, and then the first valve 10 is opened, and the soil passes through the feed pipe 9 and falls into the processing box 1 for processing.
[0047] On the basis of this embodiment, the first valve 10 is an electromagnetic valve, and a plurality of weight sensors 8 are installed on the inner bottom surface of the feed trough 7 to measure the weight of the soil.
[0048] Example 3
[0049] like Figure 4 As shown, preferably, on the basis of Embodiment 1-2, a plurality of discharge pipes 11 are fixedly connected to the outlet side of the processing box 1 , the discharge pipes 11 point to the sample preparation grid 4 , and a second valve 12 is provided on the discharge pipes 11 .
[0050] The beneficial effect of adopting the preferred solution in the above embodiment is: after the processing box 1 finishes processing the soil, the second valve 12 is opened to discharge the soil through the discharge pipe 11, and the second valve 12 prevents the soil from falling out during the processing of the processing box 1.
[0051] On the basis of this embodiment, the number of the discharge pipes 11 is three or more, and they are in a downward tilted state to facilitate discharge, and the second valve 12 is an electromagnetic valve.
[0052] In the parallel technical solution of this embodiment, the discharge pipe 11 can also be set as a rectangular channel to facilitate soil discharge.
[0053] Example 4
[0054] like Figure 4 As shown, preferably, on the basis of Examples 1-3, a first telescopic power source 13 is installed on the outer wall of the processing box 1 on the other side relative to the discharge pipe 11, and the telescopic end of the first telescopic power source 13 extends into the processing box 1 and is fixedly connected to a push plate 14, and the first telescopic power source 13 drives the push plate 14 to move toward the discharge pipe 11.
[0055] The beneficial effect of adopting the preferred solution in the above embodiment is that the first telescopic power source 13 extends to push the push plate 14 to push the processed soil out of the discharge pipe 11.
[0056] Based on this embodiment, the first telescopic power source 13 is generally an electric telescopic rod or a telescopic cylinder.
[0057] Example 5
[0058] like Figure 4 As shown, preferably, on the basis of Examples 1-4, a second telescopic power source 15 is fixedly connected to the bottom of the processing box 1, and the second telescopic power source 15 is located below the outlet end of the discharge pipe 11, and the telescopic end of the second telescopic power source 15 points to the top surface of the sample preparation grid 4 and is fixedly connected to a scraper 16.
[0059] The beneficial effect of adopting the preferred scheme in the above embodiment is: in the initial state, the sample preparation grid 4 is placed on the base 2, the second telescopic power source 15 and the scraper 16 are located above the top surface of the sample preparation grid 4, when the discharge pipe 11 pours the soil into the sample preparation grid 4 from above, the soil may accumulate, and the second telescopic power source 15 pushes the scraper 16 to extend, and the scraper 16 moves on the top surface of the sample preparation grid 4, scraping the excess soil into other grids or away from the sample preparation grid 4, so that the top surface of the soil sample is flat.
[0060] Based on this embodiment, the second telescopic power source 15 is generally an electric telescopic rod or a telescopic cylinder.
[0061] Example 6
[0062] like Figure 4 As shown, preferably, on the basis of embodiments 1-5, the stirring part includes a third telescopic power source 17, the third telescopic power source 17 is fixedly mounted on the inner top surface of the processing box 1, the telescopic end of the third telescopic power source 17 points to the bottom surface of the processing box 1 and is fixedly connected to the stirrer 18;
[0063] The heating part includes a heating wire 19 , and the heating wire 19 is installed on the bottom surface of the processing box 1 .
[0064] The beneficial effect of adopting the preferred scheme in the above embodiment is: the third telescopic power source 17 drives the agitator 18 to rise and fall, the agitator 18 descends to stir the soil, and after the stirring work is completed, it rises to avoid the movement trajectory of the push plate 14, and the heating wire 19 dries the soil.
[0065] On the basis of this embodiment, a plurality of exhaust holes are provided on the side wall of the processing box 1. When the heating wire 19 is working, the air in the processing box 1 may expand, and the exhaust holes are needed to exhaust the air.
[0066] The third telescopic power source 17 is usually an electric telescopic rod or a telescopic cylinder, and the stirrer 18 is a servo motor with stirring blades.
[0067] Example 7
[0068] like Figure 5 As shown, preferably, on the basis of embodiments 1-6, a rotating drum 20 is sleeved on the base column 3, one end of a first connecting rod 21 is fixedly connected to the outer peripheral wall of the rotating drum 20, and the other end of the first connecting rod 21 is fixedly connected to the base 2;
[0069] A first rotating power source is also installed on the base column 3 , and a driving gear 22 is installed on the output shaft of the first rotating power source. A gear ring 23 is fixedly connected to the outer peripheral wall of the rotating drum 20 , and the driving gear 22 is meshed with the gear ring 23 .
[0070] The beneficial effect of adopting the preferred scheme in the above embodiment is: after the sample preparation grid 4 and the pressure block 5 rise and leave, the first rotating power source drives the gear 22, which in turn drives the rotating drum 20 to rotate, and the rotating drum 20 drives the base 2 to rotate, and the prepared soil sample is rotated to one side for the convenience of the staff to take it.
[0071] Based on this embodiment, the first rotational power source is usually a servo motor, and the driving gear 22 is driven to rotate by the servo motor.
[0072] Example 8
[0073] like Figure 5 As shown, preferably, on the basis of embodiments 1-7, a fourth telescopic power source 24 is fixedly connected to the side wall of the rotating drum 20, and the telescopic end of the fourth telescopic power source 24 points to the base 2 and is fixedly connected to a penetration needle 25.
[0074] The beneficial effect of adopting the preferred solution in the above embodiment is: after the sample preparation grid 4 and the pressure block 5 rise and leave, the fourth telescopic power source 24 drives the penetration needle 25 to pierce the soil sample, and the strength of the finished soil sample is detected by puncturing with the penetration needle 25.
[0075] Based on this embodiment, a pressure sensor is connected to the penetration needle 25 to measure the soil strength and transmit it to the computer device;
[0076] And the fourth telescopic power source 24 is usually an electric telescopic rod or a telescopic cylinder.
[0077] Example 9
[0078] like Figure 5As shown, preferably, on the basis of Examples 1-8, a first slide groove 26 is opened on the side wall of the base column 3, the length direction of the first slide groove 26 is perpendicular to the ground, a first screw 27 is rotatably installed in the first slide groove 26, a second rotary power source is also installed in the first slide groove 26, the second rotary power source is dynamically connected to the first screw 27, one end of a second connecting rod 28 is fixedly connected to the side wall of the sample preparation grid 4, the other end of the second connecting rod 28 extends into the first slide groove 26 and is threadedly connected to the first screw 27.
[0079] The beneficial effects of the preferred solution in the above embodiment are: the second rotary power source drives the first screw 27 to rotate, the first screw 27 drives the second connecting rod 28 to move in the first slide groove 26, and the second connecting rod 28 drives the sample preparation grid 4 to rise and fall, which is controlled by the threaded rod, has a simple structure and accurate position control;
[0080] Based on this embodiment, the second rotational power source is usually a servo motor.
[0081] Example 10
[0082] like Figure 5 As shown, preferably, on the basis of embodiments 1-9, one end of a third connecting rod 29 is fixedly connected to the top of the base column 3, and a hydraulic lifting column 30 is installed at the other end of the third connecting rod 29, and the telescopic end of the hydraulic lifting column 30 points to the base 2 and is fixedly connected to the pressure block 5.
[0083] The beneficial effect of adopting the preferred solution in the above embodiment is that the hydraulic lifting column 30 drives the pressure block 5 to rise and fall, compacting the soil to prepare the sample.
[0084] The specific process is:
[0085] The first step is to start the equipment, ensure that each sensor is sensitive and connected to the computer equipment. In the initial state, the sample preparation grid 4 is placed on the base 2, and the pressure block 5 is away from the sample preparation grid 4;
[0086] Step 2: Feed the material into the feed trough 7. The computer calculates the required material mass and volume according to the size of the feed trough 7 and the data transmitted by the weight sensor 8, and controls the total volume of the material to not exceed the maximum height of the push plate 14 of the processing box 1. When the requirements are met, the first valve 10 opens and the soil falls into the processing box 1.
[0087] Step 3: The heating wire 19 is turned on to heat the soil for a sufficient time until the original water in the material in the processing box 1 evaporates and is discharged through the exhaust hole. Then the heating is stopped, and the computer pre-calculates the water required for the finished soil sample. The first valve 10 is opened to inject sufficient water into the processing box 1 through the feed trough 7.
[0088] Step 4: The third telescopic power source 17 drives the agitator 18 to descend. After the agitator 18 stirs the soil for a predetermined time, the third telescopic power source 17 drives the agitator 18 to rise.
[0089] Step 5: The first telescopic power source 13 extends to push the push plate 14 to push the processed soil out of the discharge pipe 11;
[0090] Step 6: The soil falls into the sample preparation grid 4, and the second telescopic power source 15 pushes the scraper 16 to extend. The scraper 16 moves on the top surface of the sample preparation grid 4, scraping the excess soil into other grids or away from the sample preparation grid 4, so that the top surface of the soil sample is flat;
[0091] Step 7: The hydraulic lifting column 30 drives the pressure block 5 to descend, and the pressure block 5 extends into the sample preparation grid 4 to compact the soil;
[0092] Step 8: The pressure block 5 and the sample preparation grid 4 rise away from the base 2, and the soil sample remains on the base 2. The fourth telescopic power source 24 drives the penetration needle 25 to penetrate the soil sample to detect the strength of the finished product, and retracts after completion.
[0093] Step 9: The rotating drum 20 drives the base 2 to rotate, and rotates the prepared soil sample to one side for the convenience of the staff to take it. After taking it, the base 2 and the sample preparation grid 4 are reset.
[0094] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0095] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0096] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0097] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0098] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.
[0099] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.
Claims
1. An automated soil sample precision preparation device for physical model experiments, characterized in that: It comprises a processing box (1), wherein a stirring part and a heating part are arranged in the processing box (1), and an outlet is arranged on one side of the processing box (1); and a base (2) and a base column (3), wherein the base (2) is located at the outlet side of the processing box (1), a sample preparation grid (4) is arranged above the base (2), a plurality of pressure blocks (5) are arranged above the sample preparation grid (4), the pressure blocks (5) correspond to the sample preparation grids (4) one by one and the bottom ends of the pressure blocks (5) extend into the sample preparation grids (4), the base column (3) is located at one side of the base (2), the base (2) is rotatably mounted on the outer peripheral wall of the base column (3), and the sample preparation grids (4) and the pressure blocks (5) are both movably mounted on the base column (3).
2. An automated soil sample precision preparation device for physical model experiments according to claim 1, characterized in that: It also includes a feed box (6) located above the processing box (1), wherein a plurality of feed slots (7) are provided in the feed box (6); One end of a plurality of feed pipes (9) is fixedly connected to the bottom of the feed trough (7), the other end of the feed pipe (9) is connected to the processing box (1), and a first valve (10) is installed on the feed pipe (9).
3. The automatic soil sample precision preparation device for physical model experiment according to claim 1, characterized in that: A plurality of discharge pipes (11) are fixedly connected to the outlet side of the processing box (1), the discharge pipes (11) are directed toward the sample preparation grid (4), and a second valve (12) is arranged on the discharge pipes (11).
4. The automatic soil sample precision preparation device for physical model experiments according to claim 3, characterized in that: A first telescopic power source (13) is installed on the outer wall of the processing box (1) on the other side relative to the discharge pipe (11); the telescopic end of the first telescopic power source (13) extends into the processing box (1) and is fixedly connected to a push plate (14); the first telescopic power source (13) drives the push plate (14) to move in the direction of the discharge pipe (11).
5. The automatic soil sample precision preparation device for physical model experiment according to claim 4, characterized in that: A second telescopic power source (15) is also fixedly connected to the bottom of the processing box (1), and the second telescopic power source (15) is located below the outlet end of the discharge pipe (11). The telescopic end of the second telescopic power source (15) points to the top surface of the sample preparation grid (4) and is fixedly connected to a scraper (16).
6. The automatic soil sample precision preparation device for physical model experiment according to claim 1, characterized in that: The stirring portion comprises a third telescopic power source (17), the third telescopic power source (17) is fixedly mounted on the inner top surface of the processing box (1), the telescopic end of the third telescopic power source (17) points to the bottom surface of the processing box (1) and is fixedly connected to a stirrer (18); The heating part comprises a heating wire (19), and the heating wire (19) is installed on the bottom surface of the processing box (1).
7. The automatic soil sample precision preparation device for physical model experiment according to claim 1, characterized in that: A rotating drum (20) is sleeved on the base column (3), one end of a first connecting rod (21) is fixedly connected to the outer peripheral wall of the rotating drum (20), and the other end of the first connecting rod (21) is fixedly connected to the base (2); A first rotating power source is also installed on the base column (3), a driving gear (22) is installed on the output shaft of the first rotating power source, a gear ring (23) is fixedly connected to the outer peripheral wall of the rotating drum (20), and the driving gear (22) is meshed with the gear ring (23).
8. An automated soil sample precision preparation device for physical model experiments according to claim 7, characterized in that: A fourth telescopic power source (24) is fixedly connected to the side wall of the rotating drum (20); the telescopic end of the fourth telescopic power source (24) points toward the base (2) and is fixedly connected to a penetration needle (25).
9. An automated soil sample precision preparation device for physical model experiments according to any one of claims 1 to 8, characterized in that: A first slide groove (26) is provided on the side wall of the base column (3), and the length direction of the first slide groove (26) is perpendicular to the ground. A first screw rod (27) is rotatably installed in the first slide groove (26), and a second rotating power source is also installed in the first slide groove (26), and the second rotating power source is connected to the first screw rod (27) by power. One end of a second connecting rod (28) is fixedly connected to the side wall of the sample preparation grid (4), and the other end of the second connecting rod (28) extends into the first slide groove (26) and is threadedly connected to the first screw rod (27).
10. An automated soil sample precision preparation device for physical model experiments according to any one of claims 1 to 8, characterized in that: One end of a third connecting rod (29) is fixedly connected to the top of the base column (3), and a hydraulic lifting column (30) is installed at the other end of the third connecting rod (29). The telescopic end of the hydraulic lifting column (30) points to the base (2) and is fixedly connected to the pressure block (5).