Soil grinding instrument

Abstract

The utility model relates to a soil grinder capable of screening impurities, in particular to a soil grinder which comprises a grinding box, the back face of the grinding box is hinged to the back face of a cover plate, a water tank is fixedly connected to the left side face of the grinding box, and a flushing assembly is arranged in the water tank. A screening hopper and a soil sample in the screening hopper are heated and dried through a heating plate, a servo motor drives a gear b and a gear to rotate, the gear a rotates to drive a connecting pipe and crushing blades to rotate, and the crushing blades rotate to crush the soil sample in the screening hopper and scrape off the sample adhered to the inner wall of the screening hopper at the same time; when the sample particles are in accordance with the size of the sieve pores in the outer surface of the feeding pipe, the sample particles are discharged into the connecting pipe through the feeding pipe, and impurities in the soil sample are retained in the screening hopper, so that the problems that the soil sample contains a small amount of water and impurities, so that the soil is caked and adhered to the inner wall of the grinding device due to the water during grinding are solved; and the problems of low grinding efficiency and low sample production rate are solved.

Description

Technical Field

[0001] The utility model relates to a soil grinder, in particular to a soil grinder capable of screening impurities. Background Art

[0002] As a carrier for plant growth, soil can provide water and various nutrients for plant growth. In order to improve the growth effect of plants, soil testing is often carried out. Fertilization plans are formulated based on the soil test results, and the content in the soil is also analyzed. Before testing, the soil needs to be treated in different ways according to different testing methods. In order to detect the content of various elements in the soil, it is generally necessary to grind the soil into powder, dissolve it in the corresponding solution, and obtain the content of the elements contained in the soil by purifying the solution.

[0003] The soil sampled in the prior art contains a small amount of moisture and impurities, which causes the soil to clump and adhere to the inner wall of the grinding device due to the moisture during grinding, resulting in low grinding efficiency and low sample production rate, affecting the normal grinding of soil samples, and making it difficult to clean the grinding bowl. The sample soil remains and mixes with the next sample soil, affecting the accuracy of the test results. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the utility model provides a soil grinding machine.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a soil grinder, comprising a grinding box, the back side of the grinding box is hinged to the back side of a cover plate, a water tank is fixedly connected to the left side of the grinding box, a flushing assembly is arranged inside the water tank, a mounting plate is fixedly connected to the inner wall of the grinding box, a connecting pipe is installed in the bearing on the upper surface of the mounting plate, a transmission assembly is arranged on the outer surface of the connecting pipe, the top end of the connecting pipe is connected to one end of a feed pipe, the top end of the feed pipe passes through the bearing on the lower surface of the screening bucket and extends to the inside of the screening bucket, a grinding assembly is arranged on the inner wall of the grinding box, and the lower surface of the grinding box is connected to one end of a discharge pipe.

[0006] Preferably, the transmission assembly includes a gear a installed on the outer surface of the connecting tube, the outer surface of the gear a meshes with the outer surface of the gear b, the upper surface of the gear b is fixedly connected to the output shaft of the servo motor, and the servo motor is installed on the upper surface of the mounting plate.

[0007] Preferably, a crushing leaf is fixedly connected to the outer surface of the feed pipe, and the left side surface of the crushing leaf is slidably connected to the left side surface of the inner wall of the screening bucket.

[0008] Preferably, a plurality of heating plates are symmetrically installed on the outer surface of the screening bucket.

[0009] Preferably, the grinding assembly comprises a filter plate mounted on the inner wall of the grinding box, the upper surface of the filter plate is slidably connected to the lower surface of the grinding disc, and the inner wall of the grinding disc is fixedly connected to the outer surface of the connecting pipe.

[0010] Preferably, the flushing assembly includes a water pump installed on the lower surface of the inner wall of the water tank, and the drainage end of the water pump is connected to the upper surface of the cover plate through a drainage pipe.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model heats and dries the screening bucket and the soil sample in the screening bucket through the heating plate, the servo motor drives the gear b and the gear a to rotate, the rotation of the gear a drives the connecting pipe and the crushing leaves to rotate, the crushing leaves rotate to crush the soil sample in the screening bucket, and at the same time scrape off the sample adhering to the inner wall of the screening bucket, when the sample particles meet the size of the sieve holes on the outer surface of the feeding pipe, they are discharged into the connecting pipe through the feeding pipe, and the impurities in the soil sample remain in the screening bucket, so as to solve the problem that the soil sample contains a small amount of water and impurities, so that the soil agglomerates and adheres to the inner wall of the grinding device due to the water when grinding, resulting in low grinding efficiency and low sample production rate.

[0013] The utility model uses a water pump to draw water from the water tank and discharge it into the screening box through a drain pipe, drives the crushing blades and the grinding disc to rotate through a transmission component, and closes the discharge pipe at the same time, and stirs the water in the grinding box through the crushing blades to clean the feed pipe and the inside of the screening bucket, and uses the water at the bottom of the screening box to clean the rotating grinding disc and the filter plate, so that soil sample residue can be avoided after grinding, and the air inside the grinding box is heated by a heating pipe to accelerate its internal drying speed, improve grinding efficiency, and solve the problem of the existing device that the sample soil is retained and mixed with the next sample soil, affecting the accuracy of the detection result. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model in the front view;

[0017] Figure 3 This is a schematic diagram of the internal structure of the screening box in the utility model;

[0018] In the figure: 1. Grinding box; 2. Cover plate; 3. Water tank; 4. Mounting plate;

[0019] Transmission assembly: 51, gear a; 52, gear b; 53, servo motor;

[0020] 6. Discharge pipe; 7. Feed pipe; 8. Crushing leaves; 9. Screening bucket; 10. Heating plate;

[0021] Grinding assembly: 111, grinding disc; 112, filter plate;

[0022] Flushing components: 121, water pump; 122, drain pipe; 13, connecting pipe. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example

[0025] See also Figure 1-3 The utility model provides the following technical solutions: a soil grinder, comprising a grinding box 1, the back of the grinding box 1 is hinged to the back of the cover plate 2, a water tank 3 is fixedly connected to the left side of the grinding box 1, a flushing assembly is arranged inside the water tank 3, a mounting plate 4 is fixedly connected to the inner wall of the grinding box 1, a connecting pipe 13 is installed in the bearing on the upper surface of the mounting plate 4, a transmission assembly is arranged on the outer surface of the connecting pipe 13, the top end of the connecting pipe 13 is connected to one end of the feed pipe 7, the top end of the feed pipe 7 passes through the bearing on the lower surface of the screening bucket 9 and extends to the inside of the screening bucket 9, a grinding assembly is arranged on the inner wall of the grinding box 1, and the lower surface of the grinding box 1 is connected to one end of the discharge pipe 6.

[0026] Specifically, the transmission assembly includes a gear a51 mounted on the outer surface of the connecting pipe 13, the outer surface of the gear a51 is meshed with the outer surface of the gear b52, the upper surface of the gear b52 is fixedly connected to the output shaft of the servo motor 53, and the servo motor 53 is mounted on the upper surface of the mounting plate 4;

[0027] The servo motor 53 drives the gear b52 and the gear a51 to rotate, and the rotation of the gear a51 drives the connecting pipe 13, the feeding pipe 7 and the grinding disc 111 to rotate.

[0028] Specifically, the outer surface of the feed pipe 7 is fixedly connected with a crushing blade 8, and the left side surface of the crushing blade 8 is slidably connected with the left side surface of the inner wall of the screening bucket 9;

[0029] The rotation of the feed tube 7 drives the crushing blades 8 to rotate, and the crushing blades 8 rotate to crush the soil sample in the screening bucket 9, and at the same time scrape off the sample adhering to the inner wall of the screening bucket 9. When the sample particles meet the size of the sieve holes on the outer surface of the feed tube 7, they fall to the upper surface of the filter plate 112 through the feed tube 7 and the connecting tube 13.

[0030] Specifically, a plurality of heating plates 10 are symmetrically installed on the outer surface of the screening bucket 9;

[0031] The sieving bucket 9 and the soil sample in the sieving bucket 9 are heated and dried by the heating plate 10 to make them dry so as to facilitate the crushing of the crushing leaves 8 .

[0032] Specifically, the grinding assembly includes a filter plate 112 installed on the inner wall of the grinding box 1, the upper surface of the filter plate 112 is slidably connected to the lower surface of the grinding disc 111, and the inner wall of the grinding disc 111 is fixedly connected to the outer surface of the connecting pipe 13;

[0033] The grinding disc 111 rotates to grind the soil sample on the upper surface of the filter plate 112 . When the particles of the soil sample meet the filter hole size of the filter plate 112 , the soil sample is discharged through the discharge pipe 6 .

[0034] Specifically, the flushing assembly includes a water pump 121 installed on the lower surface of the inner wall of the water tank 3, and the drainage end of the water pump 121 is connected to the upper surface of the cover plate 2 through a drainage pipe 122;

[0035] The water in the water tank 3 is pumped out by the water pump 121 and discharged into the screening box through the drain pipe 122. The crushing blade 8 and the grinding disc 111 are driven to rotate by the transmission assembly, and the discharge pipe 6 is closed at the same time. The crushing blade 8 stirs the water in the grinding box 1 so that the water can clean the feed pipe 7 and the inside of the screening bucket 9. The rotating grinding disc 111 and the filter plate 112 are cleaned by the water at the bottom of the screening box. In this way, the soil sample residue can be avoided after grinding. The air inside the grinding box 1 is heated by the heating pipe to accelerate the internal drying speed and improve the grinding efficiency.

[0036] The material of the drainage pipe 122 is a hose material.

[0037] The working principle and use process of this utility model:

[0038] The utility model, when in use;

[0039] The soil sample to be screened is placed in the screening bucket 9, and the cover plate 2 is closed to prevent the dust generated by grinding in the grinding box 1 from overflowing. The heating plate 10 heats and dries the screening bucket 9 and the soil sample in the screening bucket 9. The servo motor 53 drives the gear b52 and the gear a51 to rotate. The rotation of the gear a51 drives the connecting pipe 13, the feeding pipe 7 and the grinding disc 111 to rotate. The rotation of the feeding pipe 7 drives the crushing leaves 8 to rotate. The crushing leaves 8 rotate to crush the soil sample in the screening bucket 9 and scrape off the sample adhered to the inner wall of the screening bucket 9. When the sample particles meet the size of the sieve holes on the outer surface of the feeding pipe 7, they fall to the upper surface of the filter plate 112 through the feeding pipe 7 and the connecting pipe 13. The grinding disc 111 rotates to the filter plate The soil sample on the upper surface of 112 is ground. When the particles of the soil sample meet the filter hole size of the filter plate 112, the soil sample is discharged through the discharge pipe 6. The water in the water tank 3 is drawn by the water pump 121 and discharged into the screening box through the drain pipe 122. The crushing blade 8 and the grinding disc 111 are driven to rotate by the transmission component. At the same time, the discharge pipe 6 is closed, and the water in the grinding box 1 is stirred by the crushing blade 8 to clean the feed pipe 7 and the inside of the screening bucket 9. The rotating grinding disc 111 and the filter plate 112 are cleaned by the water at the bottom of the screening box. In this way, soil sample residue can be avoided after grinding. The air inside the grinding box 1 is heated by the heating tube to accelerate its internal drying speed and improve the grinding efficiency.

[0040] The circuits, electronic components and modules involved are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by this utility model does not involve improvements to software and methods.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A soil grinder, comprising a grinding box (1), characterized in that: The back of the grinding box (1) is hinged to the back of the cover plate (2); a water tank (3) is fixedly connected to the left side of the grinding box (1); a flushing assembly is arranged inside the water tank (3); a mounting plate (4) is fixedly connected to the inner wall of the grinding box (1); a connecting pipe (13) is installed in the bearing on the upper surface of the mounting plate (4); a transmission assembly is arranged on the outer surface of the connecting pipe (13); the top end of the connecting pipe (13) is connected to one end of the feed pipe (7); the top end of the feed pipe (7) passes through the bearing on the lower surface of the screening bucket (9) and extends to the inside of the screening bucket (9); a grinding assembly is arranged on the inner wall of the grinding box (1); and the lower surface of the grinding box (1) is connected to one end of the discharge pipe (6).

2. A soil grinding machine according to claim 1, characterized in that: The transmission assembly comprises a gear a (51) mounted on the outer surface of a connecting tube (13), the outer surface of the gear a (51) meshing with the outer surface of a gear b (52), the upper surface of the gear b (52) being fixedly connected to the output shaft of a servo motor (53), and the servo motor (53) being mounted on the upper surface of a mounting plate (4).

3. A soil grinder according to claim 1, characterized in that: A crushing blade (8) is fixedly connected to the outer surface of the feed pipe (7), and the left side surface of the crushing blade (8) is slidably connected to the left side surface of the inner wall of the screening bucket (9).

4. A soil grinder according to claim 3, characterized in that: A plurality of heating plates (10) are symmetrically mounted on the outer surface of the screening bucket (9).

5. A soil grinder according to claim 1, characterized in that: The grinding assembly comprises a filter plate (112) mounted on the inner wall of the grinding box (1), the upper surface of the filter plate (112) being slidably connected to the lower surface of the grinding disc (111), and the inner wall of the grinding disc (111) being fixedly connected to the outer surface of the connecting pipe (13).

6. A soil grinder according to claim 1, characterized in that: The flushing assembly comprises a water pump (121) installed on the lower surface of the inner wall of the water tank (3), and the drainage end of the water pump (121) is connected to the upper surface of the cover plate (2) through a drainage pipe (122).

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