CN212142824U - Multi-functional soil grinder and multistage machine that grinds - Google Patents

Multi-functional soil grinder and multistage machine that grinds Download PDF

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Publication number
CN212142824U
CN212142824U CN202020350488.1U CN202020350488U CN212142824U CN 212142824 U CN212142824 U CN 212142824U CN 202020350488 U CN202020350488 U CN 202020350488U CN 212142824 U CN212142824 U CN 212142824U
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China
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sample
grinding
fixed
soil
rotary screen
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Expired - Fee Related
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CN202020350488.1U
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Chinese (zh)
Inventor
曹诗敏
林承奇
黄华斌
陈锦莉
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Xiamen Huaxia University
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Xiamen Huaxia University
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Abstract

The utility model provides a multi-functional soil grinder, include: the top of the box body is provided with a sample inlet; the conveying mechanism is fixed in the box body, and one end of the conveying mechanism is arranged below the sample inlet; the power device is fixed inside the box body; the grinding disc penetrates through the other end of the conveying cylinder; the rotary screen is of a conical structure with openings at two ends, one side with a smaller opening of the rotary screen is arranged close to the sample inlet, and one side with a larger opening of the rotary screen is arranged far away from the sample inlet; and the sample box is arranged on the bottom of the box body and is positioned below the rotary screen. The utility model provides high grinding efficiency and grinding quality still provide a multistage grinding machine, can realize that the grinding of multiple particle diameter soil sieves.

Description

Multi-functional soil grinder and multistage machine that grinds
Technical Field
The utility model relates to a soil environment monitoring technology field, in particular to multi-functional soil grinder and multistage grinding machine.
Background
At present, in soil environment monitoring, the pretreatment of a soil sample is one of important links, and the grinding and screening of the soil sample are more necessary work for the pretreatment of soil research. According to the technical Specification for soil environmental monitoring (HJT 166-2004), the soil sample pretreatment steps are as follows: (1) air drying: the soil samples were air dried in an air drying room and lightly crushed to remove crushed stones, gravel and plant debris. (2) Coarse grinding of a sample: the air dried soil samples were ground and sieved through a nylon sieve with an aperture of 0.85mm (20 mesh). One part of the screened sample is used for analyzing items such as soil pH, cation exchange capacity, element available state content and the like. The other part was used for fine grinding of the sample. (3) Fine grinding of a sample: dividing a sample passing through a nylon sieve of 0.85mm (20 meshes) into two parts, grinding one part and sieving the two parts by a sieve with the aperture of 0.25mm (60 meshes) for the project analysis of pesticides or soil organic matters, soil total nitrogen content and the like; the other part was ground and sieved through a 0.15mm (100 mesh) mesh sieve for total analysis of soil elements.
Therefore, grinding and screening in the pretreatment of the soil sample are relatively troublesome works, most researchers use manual grinding when grinding the soil at present, on one hand, the experiment period is long, the time consumption is long, the efficiency is low, and meanwhile, dust generated in the grinding process may have potential health risks to human bodies. In recent years, some researchers have tried to grind and sieve soil by using an electromechanical grinding device, but there are general problems that only grinding and sieving of soil with a single particle size can be performed, and grinding is not sufficient, and is slightly insufficient in comprehensive research.
SUMMERY OF THE UTILITY MODEL
The utility model provides a multi-functional soil grinder and multistage grinding machine can effectively solve above-mentioned problem.
The utility model discloses a realize like this, a multi-functional soil grinder, include: the top of the box body is provided with a sample inlet; the conveying mechanism is fixed in the box body, one end of the conveying mechanism is arranged below the sample inlet, and the conveying mechanism comprises a conveying cylinder with openings at two ends, a rotating shaft arranged in the conveying cylinder and a first spiral structure fixed on the rotating shaft; the power device is fixed inside the box body and is connected with the rotating shaft; the grinding disc penetrates through the other end of the conveying cylinder and comprises a fixed grinding disc, a rotating grinding disc and a second spiral structure, the fixed grinding disc is fixed inside the box body, the rotating grinding disc is adjustably connected to the rotating shaft, and the second spiral structure is fixed on the rotating shaft; the rotary screen is of a conical structure with openings at two ends, is fixed on the rotating shaft and contains the grinding disc, the side with the smaller opening of the rotary screen is close to the sample inlet, and the side with the larger opening of the rotary screen is far away from the sample inlet; the sample box set up in on the bottom of box, and be located the below of rotary screen, on the sample box just to the edge of the great one side of opening of rotary screen separates the setting.
As a further improvement, the sample box further comprises a first sample box and a second sample box, and the boundary between the first sample box and the second sample box is opposite to the edge of the larger opening side of the rotary screen.
The multifunctional soil grinding device comprises a rotary grinding disc, wherein an adjusting knob is arranged on the rotary grinding disc, the position of the rotary grinding disc on a rotating shaft can be adjusted when the adjusting knob is loosened, and the rotary grinding disc can be fixed on the rotating shaft when the adjusting knob is fixed.
As a further improvement, a detachable sample injection valve is further arranged above the sample injection port on the box body, and the sample injection valve is provided with an aperture valve structure.
As a further improvement, the screen surface of the rotary screen forms an angle of 10-20 degrees with the horizontal plane.
As a further improvement, the screen surface of the rotary screen is at an angle of 15 ° to the horizontal.
As a further improvement, the mesh opening size of the rotary screen is 20 meshes.
A multi-stage grinding mill comprising:
in the multifunctional soil grinding device, a sample outlet is formed in the position, right opposite to the rotary screen, of the bottom of the sample box;
the connecting components comprise a sample inlet pipe, a sample outlet pipe and a four-way joint for connecting the sample inlet pipe and the sample outlet pipe; the sample inlet pipe is communicated with the sample outlet, and each sample outlet pipe is communicated with the sample inlet;
and the sealing plug is fixed at the bottom of the sample outlet which is not provided with the connecting component.
As a further improvement, the screen mesh diameter of the rotary screen is different.
The utility model has the advantages that: the utility model provides a multifunctional soil grinding device, which controls the entering speed of the soil sample by adjusting the size of the sample inlet; the rotating speed of the conveying mechanism is controlled, and the position space of the grinding disc is adjusted, so that the size of the ground soil particle diameter is controlled, and the ground soil sample is more sufficient and thinner; through the setting of rotary screen, will accord with the soil sample sieve of grinding the requirement for reserve, will not accord with the soil sample independent processing of grinding the requirement, improved grinding efficiency and grinding quality. And the utility model provides a pair of multistage grinding machine is through setting up multistage soil grinder who has different screen hole diameters, obtains the soil sample of a particle size after grinding through the first order, can obtain the soil sample of two kinds of more fine grain diameters again after grinding through the second grade, realizes that the grinding of multiple particle diameter soil sieves.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a multifunctional soil grinding device provided by a first embodiment of the present invention.
Fig. 2 is a schematic view of a connection structure between the inside of the conveying mechanism and the grinding plate according to the first embodiment of the present invention.
Fig. 3 is a plan view of a fixed abrasive disk and a rotating abrasive disk according to a first embodiment of the present invention.
Fig. 4 is a schematic view of the working principle of the sampling valve according to the first embodiment of the present invention.
Fig. 5 is a side view and a top view of a rotary screen according to a first embodiment of the present invention.
Fig. 6 is a schematic view of a connecting assembly of a multi-stage grinding mill according to a second embodiment of the present invention.
The names of the parts corresponding to the marks in the drawings are as follows:
1-box body, 11-sample inlet, 12-sample valve, 2-conveying mechanism, 21-conveying cylinder, 22-rotating shaft, 23-first spiral structure, 3-power device, 4-grinding disc, 41-fixed grinding disc, 42-rotating grinding disc, 421-adjusting knob, 43-second spiral structure, 5-rotating sieve, 6-sample box, 61-first sample box, 62-second sample box, 7-connecting assembly, 71-sample inlet pipe, 72-sample outlet pipe and 73-four-way joint.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Example one
Referring to fig. 1-2, a first embodiment of the present invention provides a multifunctional soil grinding device, including:
the device comprises a box body 1, wherein a sample inlet 11 is formed in the top of the box body 1;
the conveying mechanism 2 is fixed in the box body 1, one end of the conveying mechanism is arranged below the sample inlet 11, and the conveying mechanism comprises a conveying cylinder 21 with openings at two ends, a rotating shaft 22 arranged in the conveying cylinder 21, and a first spiral structure 23 fixed on the rotating shaft 22; the conveying cylinder 21 is provided with a first inlet opposite to the sample inlet 11;
a power unit 3 fixed inside the case 1 and connected to the rotary shaft 22; the core component of the power device is a motor, the rotating shaft 22 is driven to rotate through the rotation of the motor and the transmission of a belt, power is provided, and the rotating speed of the rotating shaft 22 can be controlled through modes of voltage regulation, frequency conversion and the like by the motor;
the grinding disc 4 penetrates through the other end of the conveying cylinder 21 and comprises a fixed grinding disc 41, a rotating grinding disc 42 and a second spiral structure 43, the fixed grinding disc 41 is fixed inside the box body 1, the rotating grinding disc 42 is adjustably connected to the rotating shaft 22, and the second spiral structure 43 is fixed on the rotating shaft 22;
the rotary screen 5 is of a conical structure with openings at two ends, is fixed on the rotating shaft 22 and contains the grinding disc 4, one side of the rotary screen 5 with a smaller opening is close to the sample inlet 11, and one side of the rotary screen 5 with a larger opening is far away from the sample inlet 11;
the sample box 6 is arranged on the bottom of the box body 1 and located below the rotary screen 5, and the edge of the larger side of the opening of the rotary screen 5 is arranged on the sample box 6 in a spaced mode.
Referring to fig. 1, the sample box 6 further includes a first sample box 61 and a second sample box 62, and a boundary between the first sample box 61 and the second sample box 62 faces an edge of the larger opening side of the rotary screen 5.
Referring to fig. 2, an adjusting knob 421 is disposed on the rotating grinding disc 42, the position of the rotating grinding disc 42 on the rotating shaft 22 can be adjusted when the adjusting knob 421 is released, and the rotating grinding disc 42 can be fixed on the rotating shaft 22 when the adjusting knob 421 is fixed. The adjusting knob 421 can be manually adjusted to control the tightness of the rotating grinding disk 42 through rotation, so as to adjust the distance between the fixed grinding disk 41 and the rotating grinding disk 42, thereby controlling the particle size of the ground soil.
Referring to fig. 3, the fixed abrasive disk 41 and the rotating abrasive disk 42 are circular. The fixed grinding disc 41 is uniformly provided with a plurality of first grinding teeth 411 around the circle center, and a step is formed between every two adjacent first grinding teeth 411, so that soil particles are ground more finely and fully; a first circular hole 412 is provided at the center of the fixed abrasive disk 41. The rotating grinding disc 42 is uniformly provided with a plurality of second grinding teeth 412 around the circle center, and a step is formed between every two adjacent second grinding teeth 412, so that soil particles are ground more finely and fully; a second circular hole 422 is provided at the center of the rotating abrasive disk 42. The fixed abrasive disk 41 is fixed inside the case 1 and passes through the rotating shaft 22 through the first circular hole 412. The rotating grinding disk 42 passes through the rotating shaft 22 and is adjustably connected to the rotating shaft 22. By adjusting the position space of the grinding disc 4, the size of the ground soil particle size is controlled, and the ground soil sample is ensured to be more sufficiently and more finely ground
Referring to fig. 1, a detachable sample valve 12 is further disposed on the box body 1 above the sample inlet 11, and the sample valve 12 has an aperture valve structure. Referring to fig. 4, the sample injection valve 12 is provided with a plurality of valve plates 121 and a valve plate knob 122, and the size of an opening formed by the valve plates 121 is controlled by sliding the valve plate knob 122, so as to control the sample injection speed. Thereby controlling the size of the ground soil particle size and ensuring that the ground soil sample is more sufficient and finer.
Referring to fig. 5, the screen surface of the rotary screen 5 is at an angle of 10-20 ° to the horizontal. Preferably, the screen surface of the rotating screen 5 is at an angle of 15 ° to the horizontal. Preferably, the mesh size of the rotary screen 5 is 20 mesh (0.85 mm). The rotary screen 5 is like a round table type cover, one end of the rotary screen is smaller, one section of the rotary screen is larger, and the cover surface is a screen hole, and the rotary screen 5 is fixed on the rotary shaft 22 and rotates along with the rotary screen. Therefore, when the ground soil sample falls into the rotary sieve 5, in the rotating process, the soil sample smaller than 0.85mm (20 meshes) can be sieved into the first sample box 61, the soil sample larger than 0.85mm (20 meshes) slowly falls into the second sample box 62 along with the gradient (the included angle between the sieve surface of the rotary sieve 5 and the horizontal plane), and due to the proper selected gradient, the soil sample cannot fall into the second sample box 62 without being sieved due to too large gradient, and the sieve pore cannot be blocked due to the overstocked soil sample caused by too small gradient. Through rotary screen 5's setting, will accord with the soil sample sieve of grinding the requirement for reserve, will not accord with the soil sample independent processing of grinding the requirement, improved grinding efficiency and grinding quality
The utility model discloses a theory of operation is:
the distance between the fixed grinding disk 41 and the movable grinding disk 42 is adjusted by the adjusting knob 421 according to the particle size of the soil sample; soil sample is put into in introduction port 11 department, starting drive work, soil sample along with first helical structure 23 second helical structure 43 gets into abrasive disc 4 grinds, and the sample after the grinding drops on the sifter of rotary screen 5, through the sample of rotary screen 5 drops extremely in the first sample box 61, the sample that does not fully grind can not then drop extremely along the sifter through the sifter in the second sample box 62. At this point, a sample meeting the requirements is screened out. And the sample which does not meet the requirement can be repeatedly put into the sample inlet 11.
It should be noted that a plurality of spare windows may be provided on the box body 1 according to actual requirements, so as to facilitate related operations, such as adjustment of the adjusting knob 421, taking out and putting in of the sample box 6, cleaning of the rotary screen 4, and the like.
Example two
Referring to fig. 6, a multi-stage grinding machine according to a second embodiment of the present invention includes a plurality of multi-functional soil grinding devices, and a sample outlet is provided at a position opposite to the rotary screen 5 at the bottom of the sample box 6; the connecting components 7 comprise a sample inlet pipe 71, a sample outlet pipe 72 and a four-way joint 73 for connecting the sample inlet pipe and the sample outlet pipe; the sample inlet pipe 71 is communicated with the sample outlet, and each sample outlet pipe 72 is communicated with the sample inlet; and the sealing plug is fixed at the bottom of the sample outlet which is not provided with the connecting component 7.
Preferably, when the number of the multifunctional soil grinding devices is 3, one of the connection assemblies 7 is disposed below the sample outlet of the first grinding device, and three of the sample outlet pipes 72 are disposed below: a fine screen sample box, a second grinding device and a third grinding device. Wherein the rotary screen of the first grinding device is 20 mesh (0.85mm), the rotary screen of the second grinding device is 100 mesh (0.15mm), the rotary screen of the third grinding device is 60 mesh (0.25mm), and the fine screen sample box can be used for grinding the screened soil sample of 20 mesh (0.85mm) by the first grinding device. Therefore, the soil samples with three grain sizes can be obtained through the three-stage grinding device. Realize the grinding and sieving of the soil with various particle sizes.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A multi-functional soil grinder, its characterized in that includes:
the device comprises a box body (1), wherein a sample inlet (11) is formed in the top of the box body (1);
the conveying mechanism (2) is fixed in the box body (1), one end of the conveying mechanism is arranged below the sample inlet (11), and the conveying mechanism comprises a conveying cylinder (21) with openings at two ends, a rotating shaft (22) arranged in the conveying cylinder (21), and a first spiral structure (23) fixed on the rotating shaft (22);
a power device (3) fixed inside the case (1) and connected to the rotating shaft (22);
the grinding disc (4) penetrates through the other end of the conveying cylinder (21) and comprises a fixed grinding disc (41), a rotating grinding disc (42) and a second spiral structure (43), the fixed grinding disc (41) is fixed inside the box body (1), the rotating grinding disc (42) is adjustably connected to the rotating shaft (22), and the second spiral structure (43) is fixed on the rotating shaft (22);
the rotary screen (5) is of a conical structure with openings at two ends, is fixed on the rotating shaft (22) and contains the grinding disc (4), one side of the rotary screen (5) with a smaller opening is arranged close to the sample inlet (11), and one side of the rotary screen (5) with a larger opening is arranged far away from the sample inlet (11);
the sample box (6) is arranged on the bottom of the box body (1) and located below the rotary screen (5), and the edge of the larger side of the opening of the rotary screen (5) is arranged on the sample box (6) in a spaced mode.
2. The multi-functional soil milling device of claim 1, wherein the sample box (6) further comprises a first sample box (61), a second sample box (62), and the boundary between the first sample box (61) and the second sample box (62) is opposite to the edge of the larger opening side of the rotating screen (5).
3. A multi-purpose soil milling device as claimed in claim 1, wherein said rotatable milling disc (42) is provided with an adjustment knob (421), wherein the position of said rotatable milling disc (42) on said rotatable shaft (22) is adjustable when said adjustment knob (421) is released, and said rotatable milling disc (42) is fixed on said rotatable shaft (22) when said adjustment knob (421) is fixed.
4. The multifunctional soil grinding device as claimed in claim 1, wherein a detachable sample valve (12) is further disposed on the box body (1) above the sample inlet (11), and the sample valve (12) has an aperture valve structure.
5. A multifunctional soil milling device as claimed in claim 1, characterized in that the angle of the screen surface of the rotating screen (5) to the horizontal plane is 10-20 °.
6. A multifunctional soil grinding device as claimed in claim 5, characterized in that the screen surface of the rotating screen (5) is at an angle of 15 ° to the horizontal.
7. The multi-functional soil milling device of claim 1, wherein the mesh size of the rotary screen (5) is 20 mesh.
8. A multi-stage grinding mill, comprising:
a plurality of multifunctional soil grinding devices as claimed in any of claims 1 to 6, wherein the bottom of the sample box (6) is provided with a sample outlet at the position opposite to the rotary screen (5);
the device comprises a plurality of connecting components (7), wherein each connecting component (7) comprises a sample inlet pipe (71), a sample outlet pipe (72) and a four-way joint (73) for connecting the sample inlet pipe and the sample outlet pipe; the sample inlet pipes (71) are communicated with the sample outlet, and each sample outlet pipe (72) is communicated with the sample inlet;
and the sealing plug is fixed at the bottom of the sample outlet which is not provided with the connecting component (7).
9. A multi-stage grinding mill according to claim 8, characterized in that the screen openings of the rotating screen (5) are different.
CN202020350488.1U 2020-03-19 2020-03-19 Multi-functional soil grinder and multistage machine that grinds Expired - Fee Related CN212142824U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020350488.1U CN212142824U (en) 2020-03-19 2020-03-19 Multi-functional soil grinder and multistage machine that grinds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020350488.1U CN212142824U (en) 2020-03-19 2020-03-19 Multi-functional soil grinder and multistage machine that grinds

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Publication Number Publication Date
CN212142824U true CN212142824U (en) 2020-12-15

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CN202020350488.1U Expired - Fee Related CN212142824U (en) 2020-03-19 2020-03-19 Multi-functional soil grinder and multistage machine that grinds

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113000127A (en) * 2021-03-08 2021-06-22 新达泵阀股份有限公司 Rust-resistant top coat powder conveyor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113000127A (en) * 2021-03-08 2021-06-22 新达泵阀股份有限公司 Rust-resistant top coat powder conveyor

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