CN111707519A - Robot refining sample preparation device - Google Patents
Robot refining sample preparation device Download PDFInfo
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- CN111707519A CN111707519A CN202010710555.0A CN202010710555A CN111707519A CN 111707519 A CN111707519 A CN 111707519A CN 202010710555 A CN202010710555 A CN 202010710555A CN 111707519 A CN111707519 A CN 111707519A
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- machine
- guide rail
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- sample preparation
- robot
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- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 238000007670 refining Methods 0.000 title description 4
- 239000000463 material Substances 0.000 claims abstract description 53
- 238000000227 grinding Methods 0.000 claims abstract description 29
- 238000004140 cleaning Methods 0.000 claims abstract description 24
- 238000007599 discharging Methods 0.000 claims abstract description 15
- 239000000523 sample Substances 0.000 claims description 53
- 238000001035 drying Methods 0.000 claims description 35
- 230000007246 mechanism Effects 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 12
- 230000007306 turnover Effects 0.000 claims description 6
- 238000007602 hot air drying Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 5
- 238000000034 method Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 14
- 238000005070 sampling Methods 0.000 description 13
- 238000005498 polishing Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 6
- 230000007547 defect Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J5/00—Manipulators mounted on wheels or on carriages
- B25J5/02—Manipulators mounted on wheels or on carriages travelling along a guideway
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2866—Grinding or homogeneising
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- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Mechanical Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of intelligent workshops, in particular to a robot refined sample preparation device which comprises an equipment support, and a crushing and dividing machine, a dryer, a grinder, a discharging table, a material tray cleaning box and a manipulator device which are fixedly arranged in the equipment support respectively; broken division machine, desiccator, grinding machine and charging tray cleaning box are fixed mounting respectively in the same row of mounting bracket that corresponds in the equipment support, go out the material platform and install in the equipment support and the adjacent mounting bracket of desiccator, the mounting bracket terminal surface that goes out the material platform place is parallel with the mounting bracket place terminal surface of desiccator, the manipulator is installed in the one side mounting bracket that the desiccator kept away from out the material platform. The manipulator moves the material work according to programming, moves the material through the manipulator, expects, has improved system appearance efficiency.
Description
Technical Field
The invention relates to the technical field of intelligent workshops, in particular to a robot refined sample preparation device.
Background
In the process of detecting the quality of coal and ore, the ore and coal with certain granularity are often required to be prepared into powdery materials according to the steps specified by the national standard for component detection. The sample preparation process mainly comprises the processes of crushing, division, drying, grinding and sample discarding. Relates to a crusher, a reducing machine, a grinder and drying equipment. The sample preparation process is complicated, and the dust noise is large. Combined sampling and robotic sampling systems have since been developed to replace manual sampling. The main defects of the combined sampling machine are that the devices are connected in series and are easy to block, the whole system stops working when one device is blocked, the maintenance is difficult when a fault occurs, in addition, the drying before grinding cannot be carried out, the sample is dried before entering the sampling machine, the efficiency is low, and the time of the whole sampling process is reduced.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides the robot refined sample preparation device, which not only avoids the defect of equipment series connection, but also optimizes the original robot sample preparation scheme, simplifies the actions of the robot, and obviously reduces the cost and the occupied area while ensuring the working efficiency.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the robot refined sample preparation device comprises an equipment bracket, and a crushing and dividing machine, a dryer, a grinder, a discharging table, a tray cleaning box and a manipulator device which are fixedly arranged in the equipment bracket respectively; broken division machine, desiccator, grinding machine and charging tray cleaning box are fixed mounting respectively in the same row of mounting bracket that corresponds in the equipment support, go out the material platform and install in the equipment support and the adjacent mounting bracket of desiccator, the mounting bracket terminal surface that goes out the material platform place is parallel with the mounting bracket place terminal surface of desiccator, the manipulator is installed in the one side mounting bracket that the desiccator kept away from out the material platform. The manipulator moves the material work according to programming, moves the material through the manipulator, expects, has improved system appearance efficiency.
Preferably, rib plates with mounting holes are uniformly distributed in the equipment support, and the plurality of rib plates form the equipment support.
The manipulator device comprises an X-axis guide rail, a Z-axis guide rail, a Y-axis guide rail and a feeding device, wherein the feeding device is movably mounted on the Y-axis guide rail, a clamping caliper for clamping materials and a turnover mechanism for turnover pouring are mounted on the feeding device body, the Y-axis guide rail is movably mounted on the X-axis guide rail, the X-axis guide rail is movably mounted on the Z-axis guide rail, and the X-axis guide rail, the Y-axis guide rail and the Z-axis guide rail provide power through a driving motor.
Furthermore, a feeding device of the manipulator device moves in an XYZ quadrant arranged in the equipment support, and the stroke track of the feeding device covers the crushing and dividing machine, the drying machine, the grinding machine and the material tray cleaning box. The all-round cover to the system appearance equipment that becomes more meticulous has been realized to fine.
Further, broken division machine includes broken division device and charge door one, through charge door one is reinforced, broken division device is the broken division machine of sealed hammer. The block sample was subjected to preliminary crushing work.
Further, the desiccator includes drying box, apron, cylinder and hinge, the hot air drying device of drying box for can placing a plurality of samples, and the apron passes through the rotatable top of installing at drying box of hinge, the apron is kept away from one end of hinge and is installed the cylinder that is used for opening and shutting the apron.
Preferably, the cylinder is an electrically controlled double cylinder structure. Through setting up automatically controlled cylinder, improve the drying efficiency of sample material for drying procedure is intelligent.
The grinding machine comprises a driving machine, a grinding box, a material tray and a feeding port II, wherein the grinding box is provided with a rotating shaft type grinding device, a sample material enters the grinding box through the feeding port II and is guided into the material tray after being ground, and the driving machine is used for driving the grinding device in the grinding box. The additional grinding machine is used for further refining the crushed and reduced particle sample materials so as to meet the sample preparation requirement.
Further, the discharge table comprises a material table body, grids, a detection device and a floating mechanism, the grids are evenly distributed on a conveying belt in a groove in the middle of the material table body, and the detection device and the floating mechanism are respectively installed at the position of a discharge hole of the material table body. The sample material led out by the discharging table keeps consistent specification, color and powder state.
Preferably, detection device is the industry camera that can observe the refined degree of sample material in real time, floating mechanism is the flat board, the distance of flat board and corresponding grid top is 0.5 mm.
Preferably, the tray cleaning box is installed at one side of the drying box. The automatic tray cleaning machine is mainly used for cleaning used trays, and the trays are transferred through the manipulator device in the process.
Compared with the prior art, the invention has the beneficial effects that:
1. and the cost is saved. Compared with a sample preparation system using a conventional six-axis industrial robot, a large amount of cost is saved. Use the cartesian robot to satisfy system appearance process demand completely according to above-mentioned technical scheme, through equipment miniaturization, can practice thrift a large amount of manufacturing cost, also can satisfy the demand of system appearance in-process simultaneously.
2. The space is saved, and the application range is improved. The space of the sample preparation equipment can be saved through equipment miniaturization, and the device can be directly installed on the sampling point site. Thus, only a small amount of analysis sample is needed to be sent to the laboratory, and the workload of the detection process is greatly reduced.
3. Compared with a combined sampling machine, the defects that the whole system is influenced by the fault of single equipment caused by the series connection of the equipment and the maintenance is difficult are avoided by the parallel connection of the equipment.
4. The sampling process is unmanned, and objective and accurate detection data are guaranteed. According to the statistical rule and the common knowledge of the sampling process, the sampling process accounts for 95% of the error of the whole detection process, the sampling process is unmanned, the accuracy of the detected data can be greatly improved, and the objective neutrality of the data is ensured.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a detailed structural view of the present invention.
In the figure: 1. the device comprises a device support, 2, a crushing and dividing machine, 21, a first feeding opening, 22, a crushing and dividing device, 3, a dryer, 31, a drying box body, 32, a cover plate, 33, an air cylinder, 34, a hinge shaft, 4, a grinder, 41, a second feeding opening, 42, a driver, 43, a grinding box, 44, a material tray, 5, a discharging table, 51, a material table body, 52, a grid, 53, a detection device, 54, a floating mechanism, 6, a material tray cleaning box, 7, a manipulator device, 71, an X-axis guide rail, 72, a Z-axis guide rail, 73, a Y-axis guide rail, 74 and a feeding device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further 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 invention and are not intended to limit the invention. In addition, unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Example one
As shown in fig. 1, the robot fine sample preparation device comprises an equipment bracket 1, and a crushing and reducing machine 2, a drying machine 3, a grinding machine 4, a discharging table 5, a tray cleaning box 6 and a manipulator device 7 which are fixedly arranged in the equipment bracket respectively; broken division machine 2, desiccator 3, grind machine 4 and charging tray cleaning box 6 respectively fixed mounting in the same mounting bracket that is corresponded in equipment support 1, go out the mounting bracket that material platform 5 was installed in equipment support 1 and desiccator 3 is adjacent, the mounting bracket terminal surface that goes out material platform 5 place is parallel with the mounting bracket place terminal surface of desiccator 3, manipulator device 7 is installed in the desiccator 3 one side mounting bracket of keeping away from out material platform 5. The manipulator moves the material work according to programming, moves the material through the manipulator, expects, has improved system appearance efficiency.
Preferably, rib plates with mounting holes are uniformly distributed in the equipment support 1, and the plurality of rib plates form the equipment support. The crushing and dividing machine 2, the drying machine 3, the grinding machine 4, the discharging table 5, the charging tray cleaning box 6 and the manipulator device 7 are all arranged on corresponding equipment supports according to the corresponding positions of all working groups in the figure 1.
As shown in fig. 2, the manipulator device 7 includes an X-axis guide rail 71, a Z-axis guide rail 72, a Y-axis guide rail 73 and a feeding device 74, the feeding device 74 is movably mounted on the Y-axis guide rail 73, a body of the feeding device 74 is provided with a caliper for clamping materials and a turnover mechanism for turning over and pouring materials, the Y-axis guide rail 73 is movably mounted on the X-axis guide rail 71, the X-axis guide rail 71 is movably mounted on the Z-axis guide rail 72, and the X-axis guide rail, the Y-axis guide rail and the Z-axis guide rail all provide power through driving motors.
Preferably, the turnover mechanism on the feeding device 74 is an electric control motor, the electric control motor is set to rotate in a right angle unit, the calipers are integrally installed on a rotating shaft of the motor, and feeding and discharging are convenient.
Further, the feeding device 74 of the robot device 7 moves in XYZ quadrants mounted in the equipment rack, and the travel path of the feeding device covers the crushing and reducing machine 2, the drying machine 3, the grinding machine 4 and the tray cleaning box 6. The all-round cover to the system appearance equipment that becomes more meticulous has been realized to fine.
As shown in fig. 2, the crushing and reducing machine 22 comprises a crushing and reducing device 22 and a feeding port one 21, and the materials are fed through the feeding port one 21.
Preferably, the crushing and dividing device in this embodiment is a sealed hammer type crushing and dividing machine. The block sample was subjected to preliminary crushing work.
As shown in fig. 2, the drying machine 3 includes a drying box 31, a cover plate 32, an air cylinder 33 and a hinge shaft 34, the drying box 31 is a hot air drying device capable of placing a plurality of samples, the cover plate is rotatably mounted above the drying box 31 through the hinge shaft 34, and an air cylinder 33 for opening and closing the cover plate is mounted at one end of the cover plate 32 far from the hinge shaft 34.
Preferably, the cylinder in the embodiment is in an electrically controlled dual-cylinder structure. Through setting up automatically controlled cylinder, improve the drying efficiency of sample material for drying procedure is intelligent.
As shown in fig. 2, the polishing machine 4 includes a driving machine 42, a polishing box 43, a material tray 44, and a second feed opening 41, wherein the polishing box 43 is provided with a rotary shaft type polishing device, a sample enters the polishing box through the second feed opening 41 and is introduced into the material tray 44 after polishing, and the driving machine 42 drives the polishing device in the polishing box 43. The additional grinding machine is used for further refining the crushed and reduced particle sample materials so as to meet the sample preparation requirement.
As shown in fig. 2, the discharging table 5 includes a table body 51, grids 52, a detecting device 53 and a floating mechanism 54, the grids 52 are uniformly distributed on a conveyor belt in a middle groove of the table body 51, and the detecting device 53 and the floating mechanism 54 are respectively installed at a discharging port of the table body 51. The sample material led out by the discharging table keeps consistent specification, color and powder state.
Preferably, detection device 53 is the industry camera that can observe the refined degree of sample material in real time, floating mechanism 54 is the flat board, the distance on flat board and corresponding grid top is 0.5mm, and concrete interval can be adjusted in real time according to the error requirement of ejection of compact specification.
Preferably, the tray cleaning box 6 is installed at one side of the dryer 3. The automatic tray cleaning machine is mainly used for cleaning used trays, and the trays are transferred through the manipulator device in the process.
Above embodiment is at the in-service life, by the sample after sampling and the primary system appearance is handled, moisture appearance conveyer belt gets into reserve charging tray when not carrying out moisture appearance test, puts the charging tray in assigned position by the robot and supplies operating personnel to handle, and operating personnel is through giving the instruction for manipulator device and beginning to carry out system appearance work.
The sample material is clamped from the position of the material tray by a robot clamp, namely a feeding device of a manipulator device 7. Through the movement of cartesian robot Z axle, X axle, Y axle with the sample in the charging tray send to the pan feeding mouth one of broken division machine 2, broken machine division machine 2 starts the breakage. The used material tray is placed into the material tray cleaning box 6 for cleaning through the manipulator device, and the cleaned material tray is placed back to the original position. The sample after the crushing is dropped into another material tray, and the mechanical hand device 7 sends the sample after the crushing and the division into the drying machine 3 which can automatically open the door. The dryer 3 can be used to place a plurality of samples, leaving sufficient space for buffering the sample processing process.
During the drying process, the feeding device 74 of the cartesian robot can perform the following actions as required due to the continuous sample preparation process: firstly, no material is dried, the time for drying the earliest placed sample in the drying device is longer than the time for taking the next sample by the robot, the manipulator device 7 moves to the blanking position of the feeding belt, and the next sample is waited to be sent to finish three processes of crushing the sample and dividing the sample into parts to be sent to the drying machine; and (II) drying the materials placed in the drying device in the early stage, taking out the dried sample materials together with the samples from the feeding device of the manipulator device, pouring the dried samples into the grinding machine 4, and starting the grinding machine 4 to grind. Meanwhile, the used material tray is placed into the material tray cleaning box 6 to finish cleaning. Grinding is completed to obtain the required component sample. And (III) if the time for completing the first action and the time for completing the second action are just in conflict, preferentially completing the action in the second action.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The robot refined sample preparation device is characterized by comprising an equipment bracket, and a crushing and dividing machine, a dryer, a grinder, a discharging table, a material tray cleaning box and a manipulator device which are fixedly arranged in the equipment bracket respectively; the crushing and dividing machine, the drying machine, the grinding machine and the material tray cleaning box are respectively and fixedly installed in the same corresponding row of installation frames in the equipment support, the discharging table is installed in the installation frame adjacent to the drying machine in the equipment support, the end face of the installation frame where the discharging table is located is parallel to the end face of the installation frame where the drying machine is located, and the manipulator device is installed in the installation frame on one side, far away from the discharging table, of the drying machine;
the manipulator device comprises an X-axis guide rail, a Z-axis guide rail, a Y-axis guide rail and a feeding device, wherein the feeding device is movably mounted on the Y-axis guide rail, a clamping caliper for clamping materials and a turnover mechanism for turnover pouring are mounted on the feeding device body, the Y-axis guide rail is movably mounted on the X-axis guide rail, the X-axis guide rail is movably mounted on the Z-axis guide rail, and the X-axis guide rail, the Y-axis guide rail and the Z-axis guide rail provide power through a driving motor.
2. The robot fine sample preparation device according to claim 1, wherein the crushing and reducing machine comprises a crushing and reducing device and a first charging opening, the first charging opening is used for charging materials, and the crushing and reducing device is a sealed hammer type crushing and reducing machine.
3. The robot refined sample preparation device according to claim 1, wherein the drying machine comprises a drying box body, a cover plate, a cylinder and a hinge shaft, the drying box body is a hot air drying device capable of placing a plurality of samples, the cover plate is rotatably arranged above the drying box body through the hinge shaft, and the cylinder for opening and closing the cover plate is arranged at one end part of the cover plate, which is far away from the hinge shaft.
4. The robot fine sample preparation device according to claim 3, wherein the air cylinder is of an electrically controlled double-cylinder structure.
5. The robot fine sample preparation device according to claim 1, wherein the grinding machine comprises a driving machine, a grinding box, a material tray and a second feeding port, the grinding box is provided with a rotating shaft type grinding device, the sample material enters the grinding box through the second feeding port and is guided into the material tray after being ground, and the driving machine is used for driving the grinding device in the grinding box.
6. The robot refined sample preparation device according to claim 1, wherein the discharging table comprises a material table body, grids, a detection device and a floating mechanism, the grids are uniformly distributed on a conveyor belt in a groove in the middle of the material table body, and the detection device and the floating mechanism are respectively installed at a discharge port of the material table body.
7. The robot fine sample preparation device according to claim 6, wherein the detection device is an industrial camera capable of observing the degree of sample material refinement in real time, the floating mechanism is a flat plate, and the distance between the flat plate and the top end of the corresponding grid is 0.5 mm.
8. The robotic fine sample preparation device according to claim 1, wherein the tray cleaning box is installed at one side of the dryer.
9. The robotic fine sample preparation device according to claim 1, wherein the feeder of the manipulator device moves in XYZ quadrants mounted within the equipment rack, the travel path of the feeder covering the crushing and reducing machine, the dryer, the grinder and the tray cleaning box.
10. The robot fine sample preparation device according to claim 1, wherein rib plates with mounting holes are uniformly distributed in the equipment support, and the plurality of rib plates form the equipment support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010710555.0A CN111707519A (en) | 2020-07-22 | 2020-07-22 | Robot refining sample preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010710555.0A CN111707519A (en) | 2020-07-22 | 2020-07-22 | Robot refining sample preparation device |
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| Publication Number | Publication Date |
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| CN111707519A true CN111707519A (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010710555.0A Pending CN111707519A (en) | 2020-07-22 | 2020-07-22 | Robot refining sample preparation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115487921A (en) * | 2021-06-18 | 2022-12-20 | 北京融通创维科技发展有限公司 | Full-automatic powder sample preparation system and preparation method |
-
2020
- 2020-07-22 CN CN202010710555.0A patent/CN111707519A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115487921A (en) * | 2021-06-18 | 2022-12-20 | 北京融通创维科技发展有限公司 | Full-automatic powder sample preparation system and preparation method |
| CN115487921B (en) * | 2021-06-18 | 2023-12-05 | 北京融通创维科技发展有限公司 | Full-automatic powder sample preparation system and preparation method |
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Application publication date: 20200925 |