CN120009561A - Particle analysis device and method of using the same - Google Patents

Abstract

The present application relates to a particle analysis device and a method for using the same, wherein the particle analysis device comprises: a vibration device, which is formed with a first placement position; a weighing device, which is formed with a second placement position; a sieve plate grabbing device, which is configured to grab the sieve plate and drive the sieve plate to switch positions between the first placement position, the second placement position and the designated storage position; a discharge device, which comprises a driving unit and a sample placement box, wherein the sample placement box has an openable and closable discharge port, and the driving unit is used to drive the sample placement box to move so that the discharge port is located above the target sieve plate and is aligned with the opening of the target sieve plate, and the target sieve plate is the sieve plate located at the highest position among the multiple sieve plates stacked on the first placement position. The application of the present application can automatically perform the steps of placing the sieve plate, placing the sample, vibrating and screening, weighing and analyzing, etc., reduce manual participation, avoid test data errors caused by carelessness of personnel, etc., and improve test efficiency.

Description

Particle analysis equipment and application method thereof

Technical Field

The invention relates to the technical field of particle analysis, in particular to particle analysis equipment and a using method thereof.

Background

The particle analysis test screens the target particles through analysis screens with different mesh numbers, so that the particles with different particle size ranges are grouped, and the particle content of each particle size range in the target particles can be quantitatively described. Particle analysis tests are often used in the industries of environmental protection, food, medicine, etc., for example, to analyze targets such as soil, granular foods, granular medicines, etc.

In the prior art, the analysis sieve and the weighing instrument are generally used for carrying out the particle analysis test in a manual operation mode, and a plurality of analysis sieves are required to be stacked and are weighed one by one after vibration, so that the manual operation is time-consuming and labor-consuming and is easy to error. There are also automated particle analysis devices in the related art that are specific to a particular industry, but which can only be applied for a particular scenario.

Disclosure of Invention

The present application aims to solve one of the technical problems in the related art to a certain extent. To this end, the present application provides a particle analysis apparatus and method of use thereof.

In order to achieve the above object, the present application adopts the following technical scheme that a particle analysis apparatus includes:

a vibrating device formed with a first placement site;

A weighing device formed with a second placement bit;

a screen tray grabbing device configured to grab a screen tray and drive the screen tray to switch positions between the first storage position, the second storage position, and a designated storage position, and

The discharging device comprises a driving unit and a sample placing box, wherein the sample placing box is provided with a discharging hole capable of being opened and closed, the driving unit is used for driving the sample placing box to act so that the discharging hole is positioned above an opening of a target screen disc, and the target screen disc is a screen disc which is stacked on a first placing position and is positioned at the highest position in a plurality of screen discs.

In one embodiment, the discharging device further comprises a frame and a mounting frame which is arranged on the frame in a sliding or rotating mode, a first mounting position is formed on the mounting frame, the sample placing box is arranged on the first mounting position, and the driving unit comprises a first driving mechanism which is connected with the mounting frame and used for driving the mounting frame to slide or rotate relative to the frame in the horizontal direction. The sample placement box can be moved to the position right above the target screen tray through a linear movement action, and can be rotated to the position right above the target screen tray through a rotation action.

In one embodiment, the first mounting positions are provided in plurality, and the plurality of first mounting positions are distributed in sequence along the action direction of the mounting frame. Through setting up a plurality of first installation positions and being convenient for once only setting up a plurality of samples and place the box, just so can carry out the screening test of the test condition of the same or different to the same or different target sample in succession in a test operation process to obtain higher test efficiency.

In one embodiment, the frame comprises a support column and a lifting plate arranged on the support column in a sliding manner, the first driving mechanism and the mounting frame are both positioned on the lifting plate, and the driving unit further comprises a second driving mechanism which is connected with the lifting plate and used for driving the lifting plate, the first driving mechanism and the mounting frame to lift relative to the support column. Through setting up the lifter plate can be according to the high adjustment of placing the box to the sample of sieve tray that stacks, and then can make the sample place the discharge gate of box and the uncovered of target sieve tray have suitable distance, promote the degree of accuracy that the sample was thrown the material.

In one embodiment, the discharging device further comprises a cover plate mechanism, the cover plate mechanism comprises a cover plate for sealing the target screen tray, a second installation position is further formed on the installation frame and is distributed adjacent to the first installation position along the action direction of the installation frame, and the cover plate mechanism is arranged at the second installation position, or the discharging device further comprises a third driving mechanism arranged on the lifting plate, and the third driving mechanism is connected with the cover plate mechanism and is used for driving the cover plate mechanism to act so that the cover plate is located right above the target screen tray. The cover plate in the cover plate mechanism can be used for sealing the opening of the target screen disc, so that samples in the target screen disc are prevented from falling out of the opening of the target screen disc in the vibration process, and the accuracy of test data is improved.

In one embodiment, the cover plate mechanism further comprises a linear driver connected with the cover plate and used for driving the cover plate to move up and down.

In one embodiment, the screen tray grabbing device comprises a three-dimensional mechanical arm provided with clamping jaws for grabbing a screen tray.

In one embodiment, the particle analysis equipment further comprises a control unit and an input and output unit, wherein the input and output unit, the vibration device, the weighing device, the screen disc grabbing device and the discharging device are all electrically connected with the control unit and can work under the control of the control unit, and the input and output unit is used for inputting an operation instruction to the control unit and acquiring experimental data corresponding to the operation instruction through the control unit. The control unit and the input and output unit are arranged to facilitate the operation of operators, and the input and output unit can input operation instructions related to test parameters to the control unit, so that the degree of automation is improved.

In one embodiment, the particle analysis apparatus further comprises a stand, the stand comprises a support platform, and the vibrating device, the weighing device, the sieve tray grabbing device and the discharging device are all arranged on the support platform, and the specified storage position is arranged on the support platform. The vibration device, the weighing device, the screen disc grabbing device and the discharging device are conveniently arranged through the base, and meanwhile the appointed storage position can be formed on the supporting platform, so that the action path of the screen disc grabbing device is conveniently designed in advance.

In order to achieve the aim, the application adopts the following technical scheme that the using method of the particle analysis equipment according to any one of the technical scheme comprises the following steps:

the screen disc grabbing device sequentially grabs a preset number of screen discs from the plurality of screen discs stored in the designated storage position and sequentially stacks the screen discs on the first storage position;

The driving unit drives the sample placing box to act and enables a discharge hole of the sample placing box to be positioned above the target sieve tray, and the discharge hole is opened to throw samples into the target sieve tray;

The vibrating device performs vibrating screening on the screen disc placed on the first placing position;

the screen disc grabbing device sequentially grabs the screen discs from the first placing position and sequentially places the screen discs on the second placing position;

The weighing device sequentially weighs the sieve trays placed on the second placement position.

When the particle analysis equipment provided by the application is applied, the sieve tray grabbing device can grab the sieve tray to switch positions on the designated storage position, the vibrating device and the weighing device, and the sieve tray can be placed at an accurate position according to the operation steps of a screening test. The sample placing box can be placed right above the target sieve tray through the driving unit in the discharging device, and the sample in the sample placing box can be placed in the target sieve tray through the openable and closable discharging hole. And then vibrating the sieve trays by a vibrating device, and weighing each sieve tray by a weighing device after the vibrating sieve is completed, so that the percentage of the samples with different particle size ranges to the total amount of the samples can be obtained. Therefore, the particle analysis equipment can automatically carry out the steps of placing a sieve tray, throwing samples, vibrating and screening, weighing and analyzing, and the like, reduces manual participation, avoids test data errors caused by carelessness of personnel and the like, and can improve test efficiency. In addition, through setting up the sieve tray and the sample placement box of different quantity, can carry out the screening test of the same or different test conditions to the same or different target sample, further promote test efficiency.

Drawings

FIG. 1 is a schematic view showing an external structure of a particle analyzer according to a first embodiment of the present application;

FIG. 2 is a schematic view showing an internal structure of a particle analyzing apparatus according to the first embodiment;

FIG. 3 is an exploded view of the discharging device in the first embodiment;

FIG. 4 is a schematic diagram I of a screening test performed by using the particle analysis apparatus provided in example I;

FIG. 5 is a second schematic diagram of a screening test performed using the particle analysis apparatus provided in example one;

FIG. 6 is a third schematic diagram of a screening test performed using the particle analysis apparatus provided in example one;

FIG. 7 is a schematic diagram IV of a screening test performed by using the particle analysis apparatus provided in example I;

FIG. 8 is a fifth schematic diagram of a screening test performed using the particle analysis apparatus provided in example one;

FIG. 9 is a schematic diagram six of a screening test performed by using the particle analysis apparatus provided in example one;

FIG. 10 is a schematic diagram seventh of a screening test performed using the particle analysis apparatus provided in example one;

FIG. 11 is a schematic diagram of the connection of the control unit to the input and output unit, the vibratory device, the weighing device, the screen pan grabbing device and the discharging device;

FIG. 12 is a flow chart of a method of using a particle analysis apparatus according to the first embodiment;

FIG. 13 is an internal schematic view of a particle analysis apparatus according to a second embodiment;

fig. 14 is an internal schematic view of a particle analysis apparatus provided in embodiment three.

Reference numeral 1, a vibration device; 10, first placing position, 2, weighing device, 20, second placing position, 3, screen tray grabbing device, 30, clamping jaw, 4, discharging device, 40, sample placing box, 400, discharging hole, 41, first driving mechanism, 410, first driving motor, 411, sliding rail, 412, sliding block, 42, second driving mechanism, 43, frame, 430, supporting column, 431, lifting plate, 44, mounting frame, 440, first mounting position, 441, second mounting position, 45, cover plate mechanism, 450, linear driver, 451, cover plate, 46, third driving mechanism, 5, base, 50, supporting platform, 500, first placing position, 501, second placing position, 51, supporting frame, 52, transparent plate, 53, touch display screen, 54, alarm, 55, emergency stop button, 6, screen tray, 60, target screen tray, 7, control unit, 8, input and output unit.

Detailed Description

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected through an intervening medium, or in communication between two elements or in an interaction relationship between two elements, unless otherwise explicitly specified. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Embodiment one this embodiment provides a particle analysis apparatus comprising a vibrating device 1, a weighing device 2, a screen pan grabbing device 3 and a discharging device 4 as shown in fig. 1,2 and 3. Wherein the vibrating device 1 is formed with a first placement site 10 and the weighing device 2 is formed with a second placement site 20. As shown in connection with fig. 4, 5, 6, 7, 8 and 9, the screen pan grabbing device 3 is configured to grab the screen pan 6 and to bring the screen pan 6 to a position to be switched between the first 10, second 20 and designated storage positions. The discharging device 4 comprises a driving unit and a sample placing box 40, the sample placing box 40 is provided with a discharging hole 400 which can be opened and closed, the driving unit is used for driving the sample placing box 40 to act so that the discharging hole 400 is positioned above the opening of the target sieve tray 60, and the target sieve tray 60 is the sieve tray 6 which is positioned at the highest position among the plurality of sieve trays 6 stacked on the first placing position 10.

The particle analysis apparatus provided in this embodiment can grasp the position of the sieve tray 6 on the designated storage position, the vibrating device 1 and the weighing device 2 through the sieve tray grasping device 3 during application, and can place the sieve tray 6 in an accurate position according to the operation steps of the screening test. The sample placement box 40 can be placed right above the target sieve tray 60 by the driving unit in the discharging device 4, and the sample in the sample placement box 40 can be placed in the target sieve tray 60 by the openable and closable discharging hole 400. And then the screen disc 6 is subjected to vibration screening through the vibration device 1, and after the vibration screening is finished, each screen disc 6 is weighed through the weighing device 2, so that the percentage of samples with different particle size ranges to the total amount of the samples can be obtained. Therefore, the particle analysis equipment can automatically carry out the steps of placing the screen disc 6, throwing samples, vibrating screening, weighing analysis and the like, reduces manual participation, avoids test data errors caused by carelessness of personnel and the like, and can improve test efficiency. In addition, by arranging different numbers of the screen trays 6 and the sample placement boxes 40, the same or different target samples can be subjected to screening tests under the same or different test conditions, and the test efficiency is further improved.

It should be noted that the specified storage position refers to an area defined at the peripheral positions of the vibrating device 1, the weighing device 2 and the sieve tray grabbing device 3, the particle analysis apparatus provided in this embodiment further includes a stand 5, the stand 5 includes a supporting platform 50, and the vibrating device 1, the weighing device 2, the sieve tray grabbing device 3 and the discharging device 4 are all disposed on the supporting platform 50. The specified storage position is arranged on the supporting platform 50, the vibration device 1, the weighing device 2, the screen disc grabbing device 3 and the discharging device 4 are conveniently arranged by arranging the machine base 5, and meanwhile, the specified storage position can be formed on the supporting platform 50, so that the action path of the screen disc grabbing device 3 is conveniently designed in advance. Further, the designated storage positions in the present embodiment include a first storage position 500 and a second storage position 501, wherein the first storage position 500 is used for placing the screen tray 6 that is not vibrated by the vibration device 1, and the second storage position 501 is used for placing the screen tray 6 that is vibrated by the vibration device 1 and weighed by the weighing device 2. The differentiation between the first storage location 500 and the second storage location 501 facilitates differentiation between the screen tray 6 that is empty inside before the test and the screen tray 6 that may have samples inside after the test. It will be readily appreciated that in alternative embodiments, the housing 5 may be omitted, the vibration device 1, the weighing device 2, the screen pan grabbing device 3 and the discharging device 4 may be arranged and installed directly on the floor of the laboratory, and then two areas may be defined on the floor of the laboratory as the first storage location 500 and the second storage location 501. For ease of description, the areas of the first storage location 500 and the second storage location 501 are shown in phantom on the support platform 50 in fig. 2.

In addition, the "driving unit for driving the sample placement box 40 to act so that the discharge port 400 is located above the opening of the target sieve tray 60" in this embodiment indicates that the projection of the position of the discharge port 400 in the vertical direction falls within the range where the opening of the target sieve tray 60 is located, but does not limit the opening of the discharge port 400 to the target sieve tray 60. The discharge port 400 of the sample placement box 40 in this embodiment can be opened and closed, when the sample placement box 40 moves until the discharge port 400 is located above the opening of the target sieve tray 60, the sample inside the sample placement box 40 can slide into the target sieve tray 60 under the action of gravity by controlling the discharge port 400 to be opened. This embodiment shows the sample placement cartridge 40 with the outlet 400 only by way of example in fig. 3, and does not show a valve for closing the outlet 400. For those skilled in the art, a pneumatic type on-off valve (the opening and closing of the discharge port 400 is controlled by the air pump driving valve) and an electric type on-off valve (the opening and closing of the discharge port 400 is controlled by the motor driving valve) for automatically feeding materials are all of the prior art, and are not described herein.

Further, the discharging device 4 further comprises a frame 43 and a mounting frame 44 slidably disposed on the frame 43, the mounting frame 44 is formed with a first mounting position 440, and the sample placement box 40 is disposed on the first mounting position 440. The drive unit comprises a first drive mechanism 41, the first drive mechanism 41 being connected to a mounting frame 44 and being adapted to drive the mounting frame 44 to slide in a horizontal direction relative to the frame 43. In this embodiment, as shown in fig. 3, the mounting frame 44 includes a flat plate and a clamping plate disposed on the flat plate, and the sample placement box 40 can be detachably clamped on the clamping plate. The first driving mechanism 41 includes a first driving motor 410, a sliding rail 411, and a sliding block 412 slidably disposed on the sliding rail 411, the mounting frame 44 is fixedly connected with the sliding block 412 through the aforementioned flat plate, and the first driving motor 410 drives the sliding block 412 to slide along the sliding rail 411 through a transmission mechanism and drives the mounting frame 44 and the sample placement box 40 to slide along the sliding rail 411. It is readily understood that the transmission may be a belt transmission, a chain transmission. Alternatively, in other alternative embodiments, the sliding block 412 may be pushed by an electric push rod to slide along the sliding rail 411, which will not be described herein.

Through setting up mounting bracket 44 and forming first installation position 440 on mounting bracket 44, place box 40 detachably and set up on first installation position 440, the taking of box 40 is placed to the sample of being convenient for, is convenient for the manual work before the experiment to place the sample in box 40 is placed to the sample in this way. The sample placement box 40 may be directly and fixedly mounted at the first mounting position 440, and the sample may be directly poured into the sample placement box 40 at the first mounting position 440 when the sample is to be filled.

The first mounting positions 440 in this embodiment are provided with five, and the five first mounting positions 440 are sequentially distributed along the motion direction of the mounting frame 44, and the mounting frame 44 in this embodiment slides linearly along the sliding rail 411, so that the five first mounting positions 440 are sequentially distributed along a straight line. In other alternative embodiments, other numbers of first mounting locations 440 may be provided as desired for the test. By providing a plurality of first mounting locations 440, a plurality of sample placement boxes 40 can be conveniently provided at one time, so that screening tests with the same or different test conditions can be continuously performed on the same or different target samples in one test operation process, and higher test efficiency can be obtained.

Further, the frame 43 in the present embodiment includes a support post 430 and a lifting plate 431 slidably disposed on the support post 430, and the first driving mechanism 41 and the mounting frame 44 are disposed on the lifting plate 431. The driving unit further includes a second driving mechanism 42, where the second driving mechanism 42 is connected to the lifting plate 431 and is used to drive the lifting plate 431 and the first driving mechanism 41 and the mounting frame 44 to lift relative to the support column 430. The number of sieve trays 6 used may vary in different test operations, whereby the height of the sieve trays 6 stacked on the first placement station 10 may vary in different tests. Through setting up lifter plate 431 can be according to the high adjustment of placing box 40 of sieve tray 6 that stacks, and then can make the discharge gate 400 of placing box 40 of sample have suitable distance with the uncovered of target sieve tray 60, promote the input degree of accuracy of sample to target sieve tray 60.

To prevent the sample in the target tray 60 from escaping from the opening of the target tray 60 during vibration, the discharging device 4 in this embodiment further includes a cover mechanism 45, the cover mechanism 45 including a cover 451 for covering the target tray 60. The mounting frame 44 is further formed with a second mounting position 441, the second mounting position 441 is distributed adjacent to the first mounting position 440 along the movement direction of the mounting frame 44, and the cover plate mechanism 45 is disposed at the second mounting position 441. That is, the cover mechanism 45 is driven by the first driving mechanism 41 to operate in synchronization with the sample placing cartridge 40. The cover plate mechanism 45 can cover the opening of the target screen tray 60 through the cover plate 451 in the cover plate mechanism 45, so that samples in the target screen tray 60 are prevented from falling out of the opening of the target screen tray 60 in the vibration process, and the accuracy of test data is improved. Further, the cover mechanism 45 in this embodiment further includes a linear driver 450, where the linear driver 450 is connected to the cover 451 and is used to drive the cover 451 to move up and down. Specifically, in this embodiment, the linear driver 450 is a pneumatic push rod, after the sample is put into the target sieve tray 60, the cover plate mechanism 45 is driven by the first driving mechanism 41 to translate along the sliding rail 411, so that the cover plate 451 is located directly above the target sieve tray 60, and then the cover plate 451 is pushed by the pneumatic push rod to move downwards and cover the opening of the target sieve tray 60.

In other alternative embodiments, the cover plate mechanism 45 may include only the cover plate 451, in which case the second driving mechanism 42 may drive the lifting plate 431 to move downward integrally so as to drive the cover plate 451 to cover the opening of the target sieve tray 60.

The screen tray gripping apparatus 3 in this embodiment comprises a three-dimensional robotic arm provided with gripping jaws 30 for gripping the screen tray 6. The three-dimensional mechanical arm can grasp the screen disc 6 in the specific area range (the first placement position 10, the second placement position 20 and the appointed placement position) by performing programming control on the three-dimensional mechanical arm in advance, so that the three-dimensional mechanical arm can grasp the target object and place the target object at the specific position, which belongs to the prior art and is not repeated here. In addition, the vibration device 1 in this embodiment may be a vibration device in the prior art, the weighing device 2 may be a weighing device in the prior art, and the three-dimensional mechanical arm, the vibration device and the weighing device may all be purchased directly from the market, which is not described here again.

As shown in fig. 11, the particle analysis apparatus provided in this embodiment further includes a control unit 7 and an input-output unit 8, and the input-output unit 8, the vibrating device 1, the weighing device 2, the screen pan grabbing device 3, and the discharging device 4 are all electrically connected to the control unit 7 and can operate under the control of the control unit 7. The input/output unit 8 is used for inputting an operation instruction to the control unit 7 and acquiring experimental data corresponding to the operation instruction through the control unit 7. The control unit 7 and the input and output unit 8 are arranged to facilitate the operation of operators, and the input and output unit 8 can input operation instructions related to test parameters to the control unit 7, so that the degree of automation is improved.

Further, as shown in fig. 1, the particle analyzing apparatus provided in this embodiment includes a housing 5, and the housing 5 includes a support platform 50, a support frame 51, a transparent plate 52, a touch display 53, an alarm, and a scram button 55. Wherein, braced frame 51 sets up on braced platform 50, and transparent plate 52 sets up on braced frame 51 and both enclose with braced platform 50 and close and form the appearance chamber, screen tray grabbing device 3, weighing device 2, vibrating device 1 and blowing device 4 all set up on braced platform 50 and lie in appearance intracavity. The touch display screen 53, the alarm 54 and the emergency stop button 55 are all arranged on the supporting frame 51 and are positioned outside the accommodating cavity. The touch display screen 53 is electrically connected to the aforementioned input-output unit 8, or the touch display screen 53 is a part of the input-output unit 8. The tester can send an operation instruction to the control unit 7 through the touch display screen 53, and can also view final test data through the touch display screen 53. The test personnel can observe the test condition through the transparent plate 52, and can control to stop the test through the emergency stop button 55 when the emergency condition exists in the test process or the alarm 54 gives an alarm.

As shown in fig. 12, the method for using the particle analysis apparatus provided in this embodiment includes the following steps:

S100, sequentially grabbing a preset number of screen plates 6 from a plurality of screen plates 6 stored in a designated storage position by a screen plate grabbing device 3 and sequentially stacking the screen plates 6 on a first storage position 10;

S200, the driving unit drives the sample placement box 40 to act and enables a discharge hole 400 of the sample placement box 40 to be positioned above the target sieve tray 60, and the discharge hole 400 is opened to throw samples into the target sieve tray 60;

s300, vibrating the screen disc 6 placed on the first placing position 10 by the vibrating device 1;

s400, sequentially grabbing the screen plates 6 from the first placement position 10 by the screen plate grabbing device 3 and sequentially placing the screen plates 6 on the second placement position 20;

and S500, the weighing device 2 sequentially weighs the sieve trays 6 placed on the second placement position 20.

Referring to fig. 4, 5, 6, 7, 8, 9 and 10, the steps of the above-mentioned method for using the five sample placement boxes 40 are specifically described as follows:

First, a preparation is performed before step S100, and samples are put into the sample placement boxes 40 according to a test plan, for example, in this embodiment, soil samples are put into five sample placement boxes 40 as samples, and the soil samples are sampled from five sampling areas defined in a large area. At the same time, five groups of sieve trays 6 are placed in the first storage location 500 according to the test plan, with nine sieve trays 6 of different mesh in each group of sieve trays 6. After the above operation is completed, a schematic diagram of the test procedure shown in fig. 4 is obtained.

An operator can send an operation instruction to the control unit 7 through the touch display screen 53, for example, the vibration time and the vibration frequency of the vibration device 1 in the test process can be set through the touch display screen 53, and the grabbing sequence and the grabbing number of the screen disc 6 can be set through the screen disc grabbing device 3.

After the operator gives an operation instruction to start the test to the control unit 7, the control unit 7 controls the screen tray grabbing device 3 to perform step S100, specifically in this embodiment, as shown in fig. 5, the screen tray grabbing device 3 sequentially grabs nine screen trays 6 of different mesh numbers from a set of screen trays 6 in order of mesh numbers from small to large and stacks them on the first placement position 10.

Then, step S200 is performed, as shown in fig. 6, the control unit 7 controls the driving unit to drive the sample placement box 40 to act so that the discharge port 400 of the sample placement box 40 is located above the target sieve tray 60, and then, the control unit 7 controls the valve at the discharge port 400 to be opened so that the sample is thrown into the target sieve tray 60 under the action of gravity. Further, as shown in fig. 7, the control unit 7 controls the operation of the air push rod and pushes the cover plate 451 downward so that the cover plate 451 covers the opening of the target sieve tray 60. After that, step S300 is performed, and the vibrating device 1 performs vibrating screening on the screen tray 6 placed on the first placement position 10.

Thereafter, step S400 and step S500 are performed, and as shown in fig. 8 and 9, the sieve tray gripping device 3 sequentially grips the sieve trays 6 from the first placement position 10 and sequentially places the sieve trays 6 on the second placement position 20, and the weighing device 2 sequentially weighs the sieve trays 6 placed on the second placement position 20. Until all nine sieve trays 6 are weighed and placed in the second storage location 501.

Since five sample placement boxes 40 are provided in the present embodiment, the above process performs the vibration screening test on the samples in only one sample placement box 40, and the control unit 7 continuously controls the screen pan grabbing device 3, the weighing device 2, the vibrating device 1 and the discharging device 4 to sequentially perform the vibration screening test on the samples in the remaining four sample placement boxes 40 according to the steps of the above usage method. As shown in fig. 10, after the entire test procedure is completed, the sieve trays 6 are all located in the second storage location 501.

The test personnel can check test data through the touch display screen 53, and in addition, the screen disc 6 positioned in the second storage position 501 can be taken away for processing.

In this embodiment, five soil samples are used as samples and placed in the five sample placement boxes 40, and in other alternative embodiments, different samples may be selected and placed in the sample placement boxes 40, that is, the same or different target samples may be subjected to continuous test operation after one test is started. In addition, when an operation instruction is sent to the control unit 7 through the touch display screen 53, different test conditions may be set for the samples in the different sample placement boxes 40, for example, the test conditions for the samples in the first sample placement box 40 are set to be subjected to vibration screening for twenty minutes using nine screen trays 6, and the test conditions for the samples in the second sample placement box 40 are set to be subjected to vibration screening for ten minutes using six screen trays 6. Thus, the screening test under the same or different test conditions can be performed on the same or different target samples after the start of one test, and the test efficiency can be greatly improved.

Second embodiment this embodiment also provides a particle analysis apparatus, as shown in fig. 13, which is different from the first embodiment in that the discharging device 4 in this embodiment further includes a third driving mechanism 46 disposed on the lifting plate 431, and the third driving mechanism 46 is connected to the cover plate mechanism 45 and is used for driving the cover plate mechanism 45 to act so that the cover plate 451 is located directly above the target sieve tray 60. That is, the cover plate mechanism 45 is disposed apart from the sample placement cartridge 40 in this embodiment. The third driving mechanism 46 may have the same structure and principle as the first driving mechanism 41, and will not be described herein.

Third embodiment the present embodiment also provides a particle analyzing apparatus, as shown in fig. 14, which is different from the first embodiment in the structure and operation principle of the mounting frame 44 in the present embodiment. Specifically, the mounting frame 44 in this embodiment is in a shape of a turntable, the mounting frame 44 is rotatably disposed on the lifting plate 431, and correspondingly, the first mounting position 440 and the second mounting position 441 on the mounting frame 44 are sequentially distributed around the mounting frame 44. The first driving mechanism 41 in this embodiment includes a driving motor (not shown in the drawing) disposed on the lifting plate 431, where an output end of the driving motor is fixedly connected with a center of the mounting frame 44, and the driving motor can work under the control of the control unit 7 to drive the mounting frame 44 to rotate, so as to drive the sample placement box 40 or the cover plate mechanism 45 to rotate above the target sieve tray 60.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (10)

1. A particle analysis apparatus, comprising:

A vibrating device (1) formed with a first placement site (10);

A weighing device (2) formed with a second placement site (20);

A screen tray gripping device (3) configured to grip a screen tray (6) and to bring the screen tray (6) into position between the first storage position (10), the second storage position (20) and a designated storage position, and

The discharging device (4) comprises a driving unit and a sample placing box (40), wherein the sample placing box (40) is provided with a discharging hole (400) capable of being opened and closed, the driving unit is used for driving the sample placing box (40) to act so that the discharging hole (400) is positioned above an opening of a target screen disc (60), and the target screen disc (60) is a screen disc (6) which is stacked on a plurality of screen discs (6) on a first placing position (10) and is positioned at the highest position.

2. The particle analysis apparatus according to claim 1, wherein the discharging device (4) further comprises a frame (43) and a mounting frame (44) slidably or rotatably provided on the frame (43), the mounting frame (44) being formed with a first mounting location (440), the sample placement cartridge (40) being provided on the first mounting location (440);

The driving unit comprises a first driving mechanism (41), and the first driving mechanism (41) is connected with the mounting frame (44) and is used for driving the mounting frame (44) to slide or rotate along the horizontal direction relative to the frame (43).

3. The particle analysis apparatus according to claim 2, wherein a plurality of the first mounting locations (440) are provided, the plurality of the first mounting locations (440) being sequentially distributed along the direction of movement of the mounting frame (44).

4. The particle analysis apparatus according to claim 2, wherein the frame (43) includes a support column (430) and a lifting plate (431) slidably provided on the support column (430), the first driving mechanism (41) and the mounting frame (44) being both located on the lifting plate (431);

The driving unit further comprises a second driving mechanism (42), wherein the second driving mechanism (42) is connected with the lifting plate (431) and used for driving the lifting plate (431), the first driving mechanism (41) and the mounting frame (44) to lift relative to the support column (430).

5. The particle analysis apparatus according to claim 4, wherein the discharge device (4) further comprises a cover plate mechanism (45), the cover plate mechanism (45) comprising a cover plate (451) for closing the target sieve tray (60);

The mounting frame (44) is further provided with a second mounting position (441), the second mounting position (441) is distributed adjacent to the first mounting position (440) along the action direction of the mounting frame (44), and the cover plate mechanism (45) is arranged at the second mounting position (441);

Or, the discharging device (4) further comprises a third driving mechanism (46) arranged on the lifting plate (431), and the third driving mechanism (46) is connected with the cover plate mechanism (45) and used for driving the cover plate mechanism (45) to act so that the cover plate (451) is located right above the target screen disc (60).

6. The particle analysis apparatus of claim 5, wherein the cover plate mechanism (45) further comprises a linear drive (450), the linear drive (450) being coupled to the cover plate (451) and configured to drive the cover plate (451) to move up and down.

7. A particle analysis apparatus as claimed in claim 1, characterized in that the screen disc gripping device (3) comprises a three-dimensional mechanical arm provided with gripping jaws (30) for gripping the screen disc (6).

8. The particle analysis apparatus according to any one of claims 1 to 7, further comprising a control unit (7) and an input-output unit (8), the vibrating device (1), the weighing device (2), the screen pan grabbing device (3) and the discharging device (4) being electrically connected to the control unit (7) and being operable under the control of the control unit (7);

the input/output unit (8) is used for inputting an operation instruction to the control unit (7) and acquiring experimental data corresponding to the operation instruction through the control unit (7).

9. The particle analysis apparatus according to any one of claims 1 to 7, further comprising a stand (5), the stand (5) comprising a support platform (50), the vibrating device (1), the weighing device (2), the screen tray grabbing device (3) and the discharging device (4) being all arranged on the support platform (50), the support platform (50) being provided with the designated storage location.

10. A method of using the particle analysis apparatus of any one of claims 1 to 9, wherein the method of using comprises the steps of:

the screen disc grabbing device (3) sequentially grabs a preset number of screen discs (6) from a plurality of screen discs (6) stored in the designated storage position and sequentially stacks the screen discs on the first storage position (10);

the driving unit drives the sample placement box (40) to act and enables a discharge hole (400) of the sample placement box (40) to be positioned above the target sieve tray (60), and the discharge hole (400) is opened to throw samples into the target sieve tray (60);

The vibrating device (1) performs vibrating screening on the screen disc (6) placed on the first placing position (10);

the screen disc grabbing device (3) sequentially grabs the screen discs (6) from the first placing position (10) and sequentially places the screen discs (6) on the second placing position (20);

the weighing device (2) sequentially weighs the sieve trays (6) placed on the second placement position (20).