CN215963912U - Soil sample grinding and subpackaging device and soil sample preparation equipment - Google Patents

Abstract

The utility model provides a soil sample grinding and subpackaging device and soil sample preparation equipment, and relates to the technical field of soil sample preparation, wherein the soil sample grinding and subpackaging device comprises a grinding machine, a first conveying belt, a second conveying belt, a separator and a portioning machine, wherein the first conveying belt is arranged on the side part of the grinding machine; the second conveying belt is connected to the outlet end of the first conveying belt; the separator is arranged at the outlet end of the second conveying belt, and a discharge pipe and a weighing element are further arranged on the separator. According to the soil sample grinding and subpackaging device provided by the utility model, grinding balls and a soil sample are subjected to grinding action, the soil sample is finely ground to a required granularity, the grinding tank can be transferred onto the first conveying belt by the first mechanical arm, the cover body of the grinding tank is transferred onto the second conveying belt by the second mechanical arm, the tank body is transferred onto the separator by the third mechanical arm, the grinding balls and the soil sample are poured into the separator for separation by rotating the tank body, the soil sample is weighed and then enters the mold of the material separating box through the discharging pipe, the part separating efficiency is improved, and the part separating accuracy is ensured.

Description

Soil sample grinding and subpackaging device and soil sample preparation equipment

Technical Field

The utility model belongs to the technical field of soil sample manufacturing, and particularly relates to a soil sample grinding and subpackaging device and soil sample preparation equipment with the same.

Background

With the advancement of science and technology, the analysis of soil components is often required in agricultural production, and thus soil samples are required to be made. In the soil sample preparation process, the soil sample needs to be dried, ground, subpackaged, pressed and prepared in sequence.

The traditional grinding method adopts manual grinding, the labor intensity is high, and the grinding quality is inconsistent. Although the grinding efficiency of the soil sample can be improved by the grinding machine, the grinding machine needs to be manually taken out of the grinding machine after grinding is completed, the soil sample and grinding balls are separated, and finally the soil sample is manually weighed and filled into a mold.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a soil sample grinding and subpackaging device and soil sample preparation equipment, which can conveniently grind and subpackage a soil sample, improve the efficiency of soil sample preparation and reduce the loss of the soil sample.

In order to achieve the purpose, the utility model adopts the technical scheme that: the soil sample grinding and subpackaging device comprises a grinding machine, a first conveying belt, a second conveying belt, a separating machine and a portioning machine, wherein the grinding machine is used for placing a grinding tank filled with a soil sample to grind the soil sample; the first conveying belt is arranged on the side part of the grinding machine, and a first mechanical hand for transferring the grinding tank to the first conveying belt is arranged between the first conveying belt and the grinding machine; the second conveying belt is connected to the outlet end of the first conveying belt, and a second manipulator used for grabbing and transferring the cover body of the grinding tank to the second conveying belt is arranged between the second conveying belt and the first conveying belt; the separator is arranged at the outlet end of the second conveying belt and used for separating the grinding balls and the soil sample, a third mechanical arm used for grabbing the tank body of the grinding tank and dumping the grinding balls and the soil sample into the separator is arranged between the separator and the second conveying belt, and the separator is also provided with a discharge pipe used for discharging the soil sample and a weighing element positioned on the discharge pipe; the portioning machine is arranged on the side portion of the separator and provided with a plurality of accommodating cavities which vertically correspond to the discharging pipes and are used for accommodating the molds.

In one possible implementation mode, the portioning machine comprises a bracket, a portioning box and a driving part, the bracket is arranged on the side part of the separator and is close to the discharge pipe, the portioning box is arranged on the bracket and is positioned below the discharge pipe, the accommodating cavity is arranged on the top surface of the portioning box, the lower end of the discharge pipe is provided with a discharge cover extending downwards to be attached to the top surface of a mold, and the inner diameter of the lower opening of the discharge cover is equal to the inner diameter of a soil sample cavity of the mold; the driving piece is used for driving the material distributing box to horizontally move so that the material discharging pipe sequentially corresponds to the soil sample cavities of the plurality of molds from top to bottom and is filled with the soil samples to the soil sample cavities.

In some embodiments, the material distribution box is provided with a through hole which is vertically communicated with the accommodating cavity, and a telescopic piece used for pushing the mold upwards is arranged below the material distribution box.

In some embodiments, the driving member includes a screw rod and a nut, the screw rod is rotatably connected to the bracket along the horizontal direction, and the screw rod is connected with a motor; the screw nut is in threaded connection with the screw rod, the screw nut is connected with the material distribution box through the connecting frame, and the screw nut can drive the material distribution box to move horizontally.

In one possible implementation, a separator includes:

the side part of the separating cylinder is provided with a ball outlet pipe for discharging the grinding balls, and the discharging pipe is arranged at the bottom of the separating cylinder;

and the screen is arranged in the separating cylinder and used for separating the grinding balls from the soil sample.

In some embodiments, the top of the separation cylinder is provided with a sealing cover, the sealing cover is provided with a material receiving hopper communicated with the inside of the separation cylinder, and the material receiving hopper is gradually closed from top to bottom.

In a possible implementation mode, the grinding machine is a planetary ball mill and comprises two grinding tables, a plurality of placing cavities used for placing grinding tanks are arranged on each grinding table, and the plurality of placing cavities are arranged at intervals along the circumferential direction of the grinding tables.

In a possible implementation manner, the soil sample grinding and separating device further comprises a third conveyer belt which is arranged on the side part of the grinding machine and supplies the grinding tanks to the grinding machine, and a fourth manipulator is arranged between the third conveyer belt and the grinding machine and is used for transferring the grinding tanks on the third conveyer belt into the grinding machine.

In some embodiments, the third conveyor belt is located on a side of the grinder away from the first conveyor belt and is arranged parallel to the first conveyor belt; the second conveyor belt is arranged perpendicular to the first conveyor belt and is located at the side of the grinding mill.

Compared with the prior art, the scheme shown in the embodiment of the application, under the driving action of the grinding machine, grinding action takes place between the grinding ball and the soil sample in the grinding tank, the soil sample is finely ground to required granularity, first manipulator can shift the grinding tank to the first conveyer belt, the cover body of the grinding tank is shifted to the second conveyer belt by the second manipulator, the third manipulator shifts the tank body to the top of the separator, and the rotary tank body pours the grinding ball and the soil sample into the separator for separation, the soil sample is weighed and then enters the die of the material distributing box through the discharging pipe, the part distributing efficiency is improved, and the part distributing accuracy is guaranteed.

The utility model also provides soil sample preparation equipment which comprises a soil sample grinding and subpackaging device. This soil sample preparation equipment can be convenient carry out the grinding and the share of soil sample, improves preparation efficiency, guarantees the preparation precision of soil sample.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a soil sample grinding and subpackaging device provided by an embodiment of the utility model;

FIG. 2 is a schematic view of another angle of the soil sample grinding and sub-packaging apparatus shown in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of the separator and the portioning machine in FIG. 1 according to an embodiment of the present invention;

FIG. 4 is a schematic sectional view of the dispensing box and the mold in FIG. 3 according to the embodiment of the present invention;

fig. 5 is a schematic structural diagram of the second robot and the third robot in fig. 1 according to the embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1. a grinder; 11. a grinding table; 2. a separator; 21. a separation cylinder; 22. screening a screen; 23. a discharge pipe; 24. a ball outlet pipe; 25. sealing the cover; 26. a material receiving hopper; 27. a discharge hood; 3. a portioning machine; 31. a bracket; 32. a material distributing box; 33. a drive member; 331. a lead screw; 332. a connecting frame; 333. a motor; 34. a through hole; 35. a telescoping member; 51. a first conveyor belt; 52. a second conveyor belt; 53. a third conveyor belt; 61. a first manipulator; 62. a second manipulator; 63. a third manipulator; 64. a fourth manipulator; 65. a rotary cylinder; 7. a grinding tank; 8. a mold; 81. and a soil sample cavity.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be constructed in a particular operation, and are therefore not to be considered limiting. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or several of that feature. In the description of the present invention, "a number" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 5, a soil sample grinding and sub-packaging device and a soil sample preparation apparatus according to the present invention will now be described. The soil sample grinding and subpackaging device comprises a grinder 1, a first conveying belt 51, a second conveying belt 52, a separator 2 and a portioning machine 3, wherein the grinder 1 is used for placing a grinding tank 7 filled with a soil sample to grind the soil sample; the first conveyor belt 51 is disposed at a side portion of the grinder 1, and a first robot 61 for transferring the grinding pot 7 onto the first conveyor belt 51 is disposed between the first conveyor belt and the grinder 1; the second conveyer belt 52 is connected to the outlet end of the first conveyer belt 51, and a second manipulator 62 for grabbing and transferring the cover body of the grinding tank 7 to the second conveyer belt 52 is arranged between the second conveyer belt 52 and the first conveyer belt 51; the separator 2 is arranged at the outlet end of the second conveying belt 52 and used for separating the grinding balls and the soil sample, a third manipulator 63 used for grabbing the tank body of the grinding tank 7 and pouring the grinding balls and the soil sample into the separator 2 is arranged between the separator 2 and the second conveying belt 52, and the separator 2 is also provided with a discharge pipe 23 used for discharging the soil sample and a weighing element positioned on the discharge pipe 23; the portioning machine 3 is arranged on the side part of the separator 2, and the portioning machine 3 is provided with a plurality of accommodating cavities which vertically correspond to the discharge pipe 23 to accommodate the mold 8.

The partial shipment device is ground to soil sample that this embodiment provided, compared with the prior art, the partial shipment device is ground to soil sample that this embodiment provided, under the driving action of grinding machine 1, take place the grinding action between the grinding ball in the grinding tank 7 and the soil sample, the soil sample is ground to required granularity by the fine, first manipulator 61 can shift grinding tank 7 to first conveyer belt 51 on, the lid of grinding tank 7 is shifted to on second conveyer belt 52 by second manipulator 62, third manipulator 63 shifts the jar body to the separating centrifuge 2 top, and the rotatory jar body pours grinding ball and soil sample into the separation centrifuge 2 in the separation, soil sample is weighed in arranging material pipe 23 entering die 8 of branch magazine 32 after, the efficiency of dividing is improved, the precision of dividing has been guaranteed.

In some possible implementations, the characteristic portioning machine 3 described above adopts the structure shown in fig. 3. Referring to fig. 3, the portioning machine 3 comprises a bracket 31, a dispensing box 32 and a driving part 33, the bracket 31 is arranged at the side part of the separator 2 and is close to the discharge pipe 23, the dispensing box 32 is arranged on the bracket 31 and is positioned below the discharge pipe 23, an accommodating cavity is arranged on the top surface of the dispensing box 32, the lower end of the discharge pipe 23 is provided with a discharge cover 27 extending downwards to be attached to the top surface of the mold 8, and the inner diameter of the lower opening of the discharge cover 27 is equal to the inner diameter of a soil sample cavity 81 of the mold 8; the driving member 33 is used for driving the material distributing box 32 to move horizontally, so that the material discharging pipe 23 sequentially corresponds to the soil sample cavities 81 of the plurality of molds 8 up and down and fills the soil samples into the soil sample cavities 81.

The driving part 33 is used for driving the material distributing box 32 to move along the horizontal direction, so that the material discharging pipes 23 correspond to the molds 8 in different accommodating cavities one by one up and down, and the material discharging cover 27 is used for conveying the soil sample into the soil sample cavity 81 of the mold 8, thereby realizing the uniform distribution of the soil sample.

In some embodiments, the above-described feature of the dispensing cartridge 32 may be configured as shown in fig. 3 and 4. Referring to fig. 3 and 4, a through hole 34 penetrating the containing cavity up and down is formed in the dispensing box 32, and a telescopic member 35 for pushing the mold 8 upward is arranged below the dispensing box 32.

After the soil sample chamber 81 of the mold 8 is filled with the soil sample, the mold 8 filled with the soil sample needs to be taken out from the containing chamber. The through hole 34 on the material distribution box 32 can allow the lower telescopic part 35 to move upwards until the lower telescopic part passes through the through hole 34 and contacts with the bottom surface of the mold 8, and then the output end of the telescopic part 35 continues to push the mold 8 upwards, so that the mold 8 is ejected out of the accommodating cavity, the mold 8 and the material distribution box 32 are effectively separated, and the subsequent mold 8 is conveniently taken out.

In some embodiments, the feature driver 33 may be configured as shown in FIG. 3. Referring to fig. 3, the driving member 33 includes a lead screw 331 and a nut, the lead screw 331 is rotatably connected to the bracket 31 along a horizontal direction, and the lead screw 331 is connected to a motor 333; the nut is connected to the screw 331 through a thread, the nut is connected to the dispensing box 32 through the connecting frame 332, and the nut can drive the dispensing box 32 to move horizontally.

The driving member 33 adopts a form of combining a screw 331 and a nut, and the motor 333 drives the screw 331 to rotate, so that the nut horizontally moves along the axial direction of the screw 331, and the connecting frame 332 connected to the nut drives the material distributing box 32 to horizontally move, so that the soil samples weighed in the material discharging pipe 23 sequentially fall into the soil sample cavities 81 of different molds 8 through the material discharging cover 27. Arrange the internal diameter of material cover 27 and the internal diameter of the soil sample chamber 81 of mould 8 and equal, arrange the lower mouthful of material cover 27 and under the effective prerequisite of laminating of the top surface of mould 8, make and weigh the soil sample and all fall into soil sample chamber 81 in, guaranteed the accuracy of soil sample portioning, improved portioning efficiency.

In some possible implementations, the separator 2 described above is configured as shown in FIG. 3. Referring to fig. 3, the separator 2 includes a separation cylinder 21 and a screen 22, a ball outlet pipe 24 for discharging grinding balls is provided at a side portion of the separation cylinder 21, and a discharge pipe 23 is provided at a bottom portion of the separation cylinder 21; the screen 22 is provided in the separation cylinder 21 for separating the grinding balls from the soil sample.

The separator 2 is capable of separating a soil sample from grinding balls, the mesh diameter of the screen 22 is smaller than that of the grinding balls, and the grinding balls are isolated at the upper part of the screen 22 and discharged from the separation cylinder 21 through the ball discharge pipe 24. The discharged grinding balls can be conveyed to a subsequent cleaning position through the guide rail, and can also be directly collected in a unified way through the collecting cylinder.

After the mold 8 in a certain containing cavity of the material distributing box 32 is filled with the soil sample, the driving part 33 can drive the material distributing box 32 to horizontally move, so that the material discharging pipe 23 corresponds to the mold 8 in another containing cavity, and the operation of loading the soil sample on a plurality of molds 8 can be sequentially carried out.

In some embodiments, the above-described feature of the separator bowl 21 may be configured as shown in FIG. 3. Referring to fig. 3, a cover 25 is disposed on the top of the separation cylinder 21, a receiving hopper 26 communicated with the inside of the separation cylinder 21 is disposed on the cover 25, and the receiving hopper 26 is gradually closed from top to bottom.

In the process of separating the soil sample from the grinding balls, in order to avoid loss caused by the escape of the soil sample into the air, a sealing cover 25 is arranged at the top of the separation cylinder 21, the soil sample poured into the tank body and the grinding balls are integrally conveyed to the upper part of the screen 22 by using a receiving hopper 26, the soil sample is screened and dropped below the screen 22 by the vibration of the screen 22, and the grinding balls are isolated above the screen 22 and are conveyed to a cleaning device or a collection box by a ball outlet pipe 24.

In some possible implementations, the characteristic grinding machine 1 described above adopts the structure shown in fig. 1 and 2. Referring to fig. 1 and 2, the grinding machine 1 is a planetary ball mill, the grinding machine 1 includes two grinding tables 11, each grinding table 11 is provided with a plurality of placing cavities for placing the grinding tanks 7, and the placing cavities are arranged at intervals along the circumferential direction of the grinding tables 11.

In order to increase the grinding efficiency, the grinding mill 1 has two grinding tables 11, on each of which 11 a plurality of grinding pots 7 can be placed. When the mill 1 is started up, a plurality of grinding pots 7 can be grinding simultaneously. A plurality of grinding jars 7 adopt the form that circumference interval was arranged, can with planet ball mill looks adaptation, simultaneously can also effectual reducing means's occupation space, be convenient for improve the grinding efficiency of soil sample.

When the soil sample is detected, the soil sample pressed into a tablet needs to be detected, and a powdery sample also needs to be detected. The fineness of the soil sample is controlled by the difference of the grinding speed and the grinding time of the powdery sample. Three different time durations are correspondingly set to obtain three soil sample powders with different fineness, namely 60-mesh soil sample powder, 100-mesh soil sample powder and 200-mesh soil sample powder.

During the grinding process, the rotational speed of the grinder 1 influences the temperature of the soil sample. Soil samples can generate volatile substances during grinding, and in order to avoid the volatile elements exceeding the detection standard, the temperature during grinding needs to be kept to be not higher than 40 ℃, so that the rotation speed setting of the grinding machine 1 is limited. In order to avoid the restriction situation, an air negative pressure device can be arranged on the grinding machine 1, volatile substances generated in the grinding process are collected in a centralized mode through the suction effect of the air negative pressure device, the substances are purified subsequently, the substances meet the emission requirement, the setting range of the rotating speed of the grinding machine 1 can be enlarged, the grinding machine 1 is suitable for grinding soil sample powder with different fineness, and the practicability of the device is enhanced.

In addition, during the grinding process and the separation process from the grinding balls, a small amount of soil particles remain on the grinder 1 or the separator 2. Because the equipment needs to grind and separate a plurality of soil samples with different components, in order to avoid the mutual interference between two soil samples which are manufactured successively, vacuum suction heads can be respectively arranged on the parts such as the grinder 1 or the separator 2, and the vacuum suction heads are respectively connected with an industrial-grade dust collector, so that the residual soil samples in the parts can be sucked and cleaned.

The separating cylinder 21 and the screen 22 are in a detachable connection form, so that the screen 22 can be conveniently replaced. In the process of separating the grinding balls from the soil sample, the screen 22 needs to be detached and cleaned in the process of separating different soil samples from the grinding balls, and the negative pressure suction head is used for adsorbing residual soil samples in the separating cylinder 21, so that mutual pollution among multiple batches of soil samples is avoided. The splitting process can adopt a manual splitting mode or an automatic splitting mode.

In some possible implementations, the soil sample grinding device with the above characteristics adopts a structure as shown in fig. 1 and fig. 2. Referring to fig. 1 and 2, the soil sample grinding and sorting apparatus further includes a third conveyor belt 53 provided at a side portion of the grinder 1 and feeding the grinding pots 7 into the grinder 1, and a fourth robot arm 64 is provided between the third conveyor belt 53 and the grinder 1, the fourth robot arm 64 transferring the grinding pots 7 on the third conveyor belt 53 into the grinder 1.

The third conveyer belt 53 arranged at the side of the grinder 1 can supply the grinding pots 7, and the grinding pots 7 on the third conveyer belt 53 are placed in the grinder 1 by the fourth manipulator 64, so that the feeding speed of the grinder 1 is increased, and the effect of automatic feeding is realized.

In some embodiments, referring to fig. 1 and 2, the third conveyor belt 53 is located on the side of the grinder 1 remote from the first conveyor belt 51 and is arranged parallel to the first conveyor belt 51; the second conveyor belt 52 is arranged perpendicular to the first conveyor belt 51 and at the side of the grinding mill 1.

When the arrangement of the components is performed, the third conveyor belt 53 and the first conveyor belt 51 are arranged in parallel on both sides of the grinding mill 1, so that the feeding and discharging of the grinding mill 1 are effectively connected. The second conveyor belt 52 is arranged perpendicular to the first conveyor belt 51 and the third conveyor belt 53, and the second conveyor belt 52 is located on the side of the grinding machine 1 and forms an effect of surrounding the periphery of the grinding machine 1 together with the first conveyor belt 51 and the third conveyor belt 53, so that the occupied space of the device is reduced, the smoothness of operation is improved, and the work efficiency is improved.

Referring to fig. 5, the third manipulator 63 is provided with a rotary cylinder 65, the main shaft of which is arranged along the horizontal direction and can drive the tank body to turn over up and down. The first mechanical arm 61, the second mechanical arm 62 and the fourth mechanical arm 64 can adopt a form of combining a transverse straight line module and a longitudinal straight line module respectively, the transverse straight line module can realize displacement in the horizontal direction, the longitudinal transverse straight line module can realize displacement in the vertical direction, and corresponding clamping operation can be performed according to the position to be transferred of a component (a tank body, a cover body and a mould 8 of the grinding tank 7) to be transferred.

The grinding tank 7 placed on the first conveying belt 51 is firstly taken away by the second mechanical arm 62 to leave a tank body filled with the soil sample and the grinding balls, the third mechanical arm 63 transfers the tank body to the upper part of the separator 2 and rotates and reversely buckles the tank body so that the soil sample and the grinding balls are poured into the separator 2, and the third mechanical arm 63 can drive the tank body to rotate around the horizontal axis of the tank body when grabbing the tank body, so that the tank body is changed from opening upward to opening downward, the soil sample and the grinding balls fall into the receiving hopper 26 and enter the separating cylinder 21 for subsequent separation. The structure is simple to operate, flexible to drive and capable of effectively improving the operation efficiency.

Based on the same invention concept, the embodiment of the application also provides the soil sample preparation equipment, and the soil sample preparation equipment can conveniently grind and divide the soil sample, improve the preparation efficiency and ensure the preparation precision of the soil sample.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. Soil sample grinds partial shipment device, its characterized in that includes:

a grinder for placing a grinding pot filled with a soil sample to grind the soil sample;

the first conveying belt is arranged on the side part of the grinding machine, and a first mechanical hand for transferring the grinding tank to the first conveying belt is arranged between the first conveying belt and the grinding machine;

the second conveying belt is connected to the outlet end of the first conveying belt, and a second manipulator used for grabbing and transferring the cover body of the grinding tank to the second conveying belt is arranged between the second conveying belt and the first conveying belt;

the separator is arranged at the outlet end of the second conveying belt and used for separating the grinding balls and the soil sample, a third mechanical arm used for grabbing a tank body of the grinding tank and pouring the grinding balls and the soil sample into the separator is arranged between the separator and the second conveying belt, and the separator is also provided with a discharge pipe used for discharging the soil sample and a weighing element positioned on the discharge pipe;

the portioning machine is arranged on the side part of the separator and is provided with a plurality of accommodating cavities which vertically correspond to the discharging pipes so as to accommodate the molds.

2. The soil sample grinding and subpackaging device according to claim 1, wherein the portioning machine comprises:

a bracket arranged on the side part of the separator and close to the discharge pipe;

the material distributing box is arranged on the bracket and is positioned below the discharge pipe, the accommodating cavity is arranged on the top surface of the material distributing box, the lower end of the discharge pipe is provided with a discharge cover which extends downwards to be attached to the top surface of the mold, and the inner diameter of the lower opening of the discharge cover is equal to the inner diameter of the soil sample cavity of the mold;

and the driving part is used for driving the material distributing box to horizontally move so that the material discharging pipe sequentially corresponds to the soil sample cavities of the plurality of molds from top to bottom and is filled with the soil samples to the soil sample cavities.

3. The soil sample grinding and sub-packaging device as claimed in claim 2, wherein the material distribution box is provided with a through hole which is vertically communicated with the accommodating cavity, and a telescopic piece for pushing the mold upwards is arranged below the material distribution box.

4. The soil sample grinding and dispensing apparatus of claim 2, wherein the drive member comprises:

the lead screw is rotationally connected to the bracket along the horizontal direction and is connected with a motor;

the screw is in threaded connection with the lead screw, the screw is connected with the material distribution box through the connecting frame, and the screw can drive the material distribution box to move horizontally.

5. The soil sample grinding and subpackaging device as set forth in claim 1, wherein the separator comprises:

the ball discharging pipe is arranged at the bottom of the separating cylinder, and extends outwards and downwards;

and the screen is arranged in the separation cylinder and used for separating the grinding balls from the soil sample.

6. The soil sample grinding and subpackaging device according to claim 5, wherein a sealing cover is arranged at the top of the separating cylinder, a material receiving hopper communicated with the inside of the separating cylinder is arranged on the sealing cover, and the material receiving hopper is gradually closed from top to bottom.

7. The soil sample grinding and subpackaging device according to any one of claims 1 to 6, wherein the grinding machine is a planetary ball mill, the grinding machine comprises two grinding tables, each grinding table is provided with a plurality of placing cavities for placing grinding tanks, and the placing cavities are arranged at intervals along the circumferential direction of the grinding table.

8. A soil sample grinding and sub-packaging device as claimed in any one of claims 1 to 6 wherein the soil sample grinding and sub-packaging device further comprises a third conveyor belt disposed on the side of the grinder and feeding grinding pots into the grinder, and a fourth robot is disposed between the third conveyor belt and the grinder and transferring the grinding pots on the third conveyor belt into the grinder.

9. The soil sample grinding and subpackaging device according to claim 8, wherein the third conveyer belt is positioned on one side of the grinding machine far away from the first conveyer belt and is arranged in parallel with the first conveyer belt; the second conveyor belt is disposed perpendicular to the first conveyor belt and is located at a side portion of the grinder.

10. Soil sample preparation equipment, characterized in that, soil sample preparation equipment includes the soil sample grinds partial shipment device of any one of claim 1-9.

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