CN210513874U - Receiving device of mixture sample - Google Patents
Receiving device of mixture sample Download PDFInfo
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- CN210513874U CN210513874U CN201921087865.0U CN201921087865U CN210513874U CN 210513874 U CN210513874 U CN 210513874U CN 201921087865 U CN201921087865 U CN 201921087865U CN 210513874 U CN210513874 U CN 210513874U
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Abstract
The utility model discloses a receiving device of mixture samples, wherein a mobile platform is arranged on a material receiving platform, and a sampling cup and a sampling mug with the same height are placed on the mobile platform; the feeding chute comprises a first feeding pipe and a second feeding pipe, and a discharge port of the first feeding pipe is positioned above the sampling cup and used for providing a mixture sample for the sampling cup; the discharge port of the second feeding pipe is positioned above the sampling beaker and used for providing a mixture sample for the sampling beaker; when the mobile platform drives the sampling small cup and the sampling large cup to pass through the material sweeping rod, the material higher than the cup mouths of the sampling small cup and the sampling large cup is swept by the material sweeping rod. It is thus clear that the device that this embodiment provided provides the material for two sample cups simultaneously through Y type feeding chute to obtain simultaneously and be used for the mixture sample of moisture detection and be used for the mixture sample that the granularity constitutes the detection, obtain two mixture samples fast, satisfy the sample demand that the mixture granularity constitutes and moisture detecting system.
Description
Technical Field
The utility model relates to a material detection equipment technical field especially relates to a receiving arrangement of mixture sample.
Background
In the sintering and ore-making process in the iron and steel industry, the air permeability of the mixed material layer directly influences the quality of sintered ore and the energy consumption of sintering production, and the air permeability of the mixed material layer mainly depends on the granularity of the mixed material. Therefore, timely detecting and controlling the granularity of the mixture is an important technical link in sintering production. In addition, the moisture value of the mixture has a remarkable influence on the granulating effect of the mixture, and the proper moisture value can remarkably provide the granulating effect of the mixture.
In order to ensure the quality of the sintering mixture and adjust the granularity and moisture of the sintering mixture, the granularity composition detection and the moisture detection are required to be carried out on the sintering mixture. When the particle size composition and moisture of the sintering mixture are detected by using an online detection system for particle size composition and moisture of the sintering mixture, in order to improve the detection efficiency and accuracy, the two parameters of the particle size composition and the moisture of the sintering mixture are detected by using the online detection system for particle size composition and moisture of the sintering mixture in the field.
In the detection, the same quantitative sample cup is usually adopted to detect the moisture and the particle size composition. However, during particle size detection, the quality of a mixture sample is required to reach 1000 g-2000 g, and if the material moisture is detected, materials with the quality of 1000 g-2000 g are also adopted for drying, so that the drying time is too long, and the power of a drying disc and the microwave is increased, thereby increasing the cost of a system device.
SUMMERY OF THE UTILITY MODEL
The utility model provides a receiving arrangement of mixture sample to solve the lower problem of current detecting system detection efficiency.
The utility model also provides a receiving arrangement of mixture sample, include: the upper surface of the material receiving platform is provided with a moving platform, and the moving platform is provided with a sampling small cup and a sampling large cup which are the same in height; a feeding chute is arranged above the small sampling cup and the large sampling cup;
the feeding chute comprises a first feeding pipe and a second feeding pipe, and a discharge port of the first feeding pipe is positioned above the sampling cup and used for providing a mixture sample for the sampling cup; the discharge port of the second feeding pipe is positioned above the sampling beaker and used for providing a mixture sample for the sampling beaker;
the two ends of the moving platform are provided with material sweeping rods, and the height of each material sweeping rod is greater than or equal to that of the corresponding sampling small cup or sampling big cup; when the mobile platform drives the sampling small cup and the sampling large cup to pass through the material sweeping rod, the material sweeping rod is used for sweeping materials higher than cup mouths of the sampling small cup and the sampling large cup.
Optionally, the moving platform comprises a support plate, a moving guide rail, a moving slider and a guide rail driving part; the material receiving platform is provided with a material receiving opening, the movable guide rails are arranged on the inner walls of two opposite sides of the material receiving opening, and two ends of the material sweeping rod are respectively positioned on the outer sides of the opposite movable guide rails;
the supporting plate is connected with the movable guide rail in a sliding mode through the movable sliding block, and the sampling small cup and the sampling large cup are placed on the supporting plate.
Optionally, a scraping brush is arranged at the lower part of the sweeping rod in the vertical direction and used for scraping materials higher than the cup mouths of the small sampling cup and the large sampling cup.
Optionally, a material discharge box is arranged below the material receiving platform and used for collecting materials scraped by the material sweeping rod.
Optionally, a waste chute is arranged below the waste box, and the waste chute is communicated with the bottom of the waste box and used for discharging waste materials collected in the waste box.
Optionally, a waste bin inlet is arranged on one side wall of the waste bin, and the waste bin inlet is used for putting in waste materials.
Optionally, the lateral wall of the waste material box is provided with a cleaning motor, the driving end of the cleaning motor is connected with a coupler positioned in the waste material box, the driving end of the coupler is connected with a brush disc, and a cleaning brush is arranged on the brush disc.
Optionally, a dust suction pipe is arranged on the side wall of the waste material box and communicated with the waste material box for absorbing dust in the waste material box.
According to the technical scheme, the embodiment of the utility model provides a receiving device of mixture samples, set up the moving platform on the material receiving platform, place the same sample small cup and sample big cup of height on the moving platform; the feeding chute comprises a first feeding pipe and a second feeding pipe, and a discharge port of the first feeding pipe is positioned above the sampling cup and used for providing a mixture sample for the sampling cup; the discharge port of the second feeding pipe is positioned above the sampling beaker and used for providing a mixture sample for the sampling beaker; when the mobile platform drives the sampling small cup and the sampling large cup to pass through the material sweeping rod, the material higher than the cup mouths of the sampling small cup and the sampling large cup is swept by the material sweeping rod. It is thus clear that the device that this embodiment provided provides the material for two sample cups simultaneously through Y type feeding chute to obtain simultaneously and be used for the mixture sample of moisture detection and be used for the mixture sample that the granularity constitutes the detection, obtain two mixture samples fast, improve detection efficiency, satisfy the sample demand that the mixture granularity constitutes and moisture detecting system.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to these drawings without any creative effort.
Fig. 1 is a perspective view of a receiving device for a mixture sample according to an embodiment of the present invention;
fig. 2 is a front view of a receiving device for a mixture sample according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a feeding chute provided in an embodiment of the present invention;
fig. 4 is a top view of a mobile platform provided in an embodiment of the present invention;
FIG. 5 is an enlarged view of a portion A of FIG. 1;
fig. 6 is a schematic structural view of the cleaning motor and the brush plate provided in the embodiment of the present invention.
Detailed Description
In order to realize the simultaneous detection of the particle size composition and the moisture of the sintering mixture, two quantitative sampling cups are used when a detection sample is determined, one is used for drying the moisture, the quantitative mass of the quantitative sampling cup is 300-500 g, so that the rapid drying of the moisture of the material can be ensured, the drying time is short, and the quantitative mass of the other sampling cup is 1000-2000 g, so that the accuracy of the detection result of the particle size composition can be ensured.
Fig. 1 is a perspective view of a receiving device for a mixture sample according to an embodiment of the present invention; fig. 2 is a front view of a receiving device for a mixture sample according to an embodiment of the present invention.
Referring to fig. 1, in the receiving device for mixture samples provided in the embodiment of the present invention, a material receiving device and a waste material box are combined into one, the material receiving device is configured to receive materials with different qualities by using two quantitative sample measuring cups to form two mixture samples, one is configured to perform moisture detection, and the other is configured to perform particle size composition detection; the material abandoning box is used for temporarily storing the materials scattered outside the sampling cup when the material receiving device loads and takes two mixture samples and sample materials for finishing the detection of moisture and granularity.
Specifically, the material receiving device includes: the material collecting device comprises a material receiving platform 1, a feeding chute 5, a sampling small cup 3, a sampling large cup 4, a sweeping rod 6 and a moving platform 2. The material receiving platform 1 is an operation platform for receiving two mixture samples; the feeding chute 5 is used for conveying mixed materials; the mixture sample in the sampling large cup 4 is used for analyzing the granularity composition of the mixture, and the mixture sample in the sampling small cup 3 is used for microwave drying of the mixture to detect the moisture value; the material sweeping rod 6 is used for sweeping materials higher than the cup mouth of the sampling cup; the mobile platform 2 is used for realizing the movement of the mixture samples after the sampling small cup 3 and the sampling large cup 4 are filled with the mixture samples so as to carry out subsequent granularity composition detection and moisture detection.
The upper surface of the material receiving platform 1 is provided with a moving platform 2, and the moving platform 2 is provided with a sampling small cup 3 and a sampling large cup 4 which have the same height; a feeding chute 5 is arranged above the sampling small cup 3 and the sampling large cup 4. The sampling small cup 3 and the sampling large cup 4 are placed on the mobile platform 2, so that after the sampling small cup 3 and the sampling large cup 4 finish loading and taking the mixture, the mobile platform 2 moves. The feeding chute 5 provides mixture for the sampling cups 3 and 4, and therefore, the feeding chute 5 needs to be arranged above the sampling cups 3 and 4, or the discharge port of the feeding chute 5 can be aligned with the sampling cups 3 and 4. The sampling large cup 4 and the sampling small cup 3 are consistent in height and different in diameter, and are made of stainless steel materials, the sampling cup is provided with a clamp hole position, and a robot is convenient to clamp so as to perform subsequent detection.
In order to charge two sampling cups simultaneously to obtain two mixture samples, the feeding chute 5 in this embodiment is of a Y-shaped structure, and specifically, as shown in fig. 3, the feeding chute 5 includes a first feeding pipe 51 and a second feeding pipe 52, and a discharge port of the first feeding pipe 51 is located above the sampling cup 3 for providing the sampling cup 3 with the mixture samples; the outlet of the second feed tube 52 is located above the sampling beaker 4 for providing a mix sample to the sampling beaker 4.
The other ends of the first feeding pipe 51 and the second feeding pipe 52 are simultaneously communicated with the main feeding pipe 50, the other end of the main feeding pipe 50 is connected with a discharge hole of a belt sampling device, and the belt sampling device is erected on the upper part of the adhesive tape machine to provide a mixture sample. The mixture enters the first feeding pipe 51 and the second feeding pipe 52 through the main feeding pipe 50 respectively, and then the mixture is filled in the sampling small cup 3 through the first feeding pipe 51 and is filled in the sampling large cup 4 through the second feeding pipe 52.
In this embodiment, the vertical distance between the sampling cups (the sampling cup 3 and the sampling cup 4) and the discharge port of the feeding chute 5 is 10-50 mm, preferably 20 mm.
When filling the mixture for sample small cup 3 and sample big cup 4, the mixture can appear and be higher than sample small cup 3 and sample big cup 4 in, make when removing sample small cup 3 and sample big cup 4, the mixture drops easily, and the mixture is higher than the sample cup, then the mixture sample quality that the sample cup acquireed is also inaccurate, the actual mixture quality is big with the mass error who samples the cup design, therefore, the device that this embodiment provided, the removal in-process after filling the mixture at sample small cup 3 and sample big cup 4, add and sweep material pole 6, sweep the mixture that is higher than sample small cup 3 and sample big cup 4 rim of a cup away.
Specifically, two ends of the movable platform 2 are provided with material sweeping rods 6, and the height of each material sweeping rod 6 is greater than or equal to that of the corresponding sampling small cup 3 or sampling large cup 4; when the mobile platform 2 drives the sampling small cup 3 and the sampling large cup 4 to pass through the sweeping rod 6, the sweeping rod 6 is used for sweeping the mixture higher than the cup mouths of the sampling small cup 3 and the sampling large cup 4.
In order to ensure that the mixture higher than the sampling cup can be cleaned, a material scraping brush 61 can be arranged on the material sweeping rod 6. The lower end of the vertical direction of the material sweeping rod 6 is provided with a material scraping brush 61, and the material scraping brush 61 is used for scraping and sweeping the mixture higher than the sampling small cup 3 and the sampling large cup 4.
Sweep material pole 6 and select for use steel board to constitute, clean totally in order to clean the mixture that the sample cup (sample small cup 3 and sample big cup 4) was full, the usable material brush 61 of scraping cleans the mixture that the rim of a cup was sampled to full, avoids the sample cup at the removal in-process, and the mixture that the rim of a cup was stained with of taking a sample drops.
To effect the placement and movement of the sampling cups 3 and 4, the moving platform 2 includes a support plate 21, a moving guide 22, a moving slider 23, and a guide driving member, as shown in fig. 4 and 5. The material receiving platform 1 is provided with a material receiving opening 101, the movable guide rails 22 are arranged on the inner walls of two opposite sides of the material receiving opening 101, and two ends of the sweeping rod 6 are respectively positioned on the outer sides of the opposite movable guide rails 22.
The material receiving opening 101 is used for realizing that the small sampling cup 3 and the large sampling cup 4 move through the movable guide rail 22 and the mixture scraped by the sweeping rod 6 passes through, the inner walls of the two opposite sides of the material receiving opening 101 are provided with the movable guide rail 22, one end of the supporting plate 21 is connected with one of the movable guide rails 22 in a sliding mode through the movable sliding block 23, the other end of the supporting plate 21 is connected with the other movable guide rail 22 in a sliding mode through the movable sliding block 23, and the small sampling cup 3 and the large sampling cup 4 are placed on the supporting plate 21.
The width of the support plate 21 is smaller than the distance between the two opposite sides of the material receiving opening 101 where the moving guide rail 22 is not installed, so that the material receiving opening 101 still leaves an entrance for the mixture scraped by the sweeping bar 6 when the support plate 21 moves along the moving guide rail 22.
Sweep material pole 6 and set up in the both sides that are equipped with movable guide 22 of material receiving opening 101 for sweep material pole 6 perpendicular with the moving direction of backup pad 21, sample small cup 3 and the sample big cup 4 of placing on the backup pad 21 can be hung by sweeping the mixture that material pole 6 will spill over sample small cup 3 and sample big cup 4 and sweep when passing through sweep material pole 6.
The guide rail driving part adopts an electric push rod or a pneumatic push rod, limit switches are additionally arranged at the initial position and the tail end position of the moving platform 2, the initial position is the position of the sampling cup facing the discharge hole of the feeding chute, and the tail end position is the other side moving through the sweeping rod 6 and not exceeding the edge of the waste material box 7.
The working process of the receiving device for the mixture sample provided by the embodiment comprises the following steps:
and S1, obtaining a mixture sample from the belt by using a sampling device. S2, the material slides into the feeding chute 5 and falls into the sampling small cup 3 and the sampling large cup 4 through the first feeding pipe 51 and the second feeding pipe 52 of the Y shape. And S3, judging whether the material in the sampling cup is full by using the inductive switch, if so, executing the next step, and otherwise, waiting. S4, driving the moving platform 2 by the system, driving the sampling small cup 3 and the sampling large cup 4 to move by the supporting plate 21, and sweeping the materials which are full of the cup mouths of the sampling small cup 3 and the sampling large cup 4 by the sweeping rod 6 in the moving process to fall into a waste material box. And S5, stopping the movement of the sampling cup when the limit switch senses that the sampling cup (the sampling small cup 3 and the sampling large cup 4) reaches the other side of the material sweeping rod 6, namely the tail end position. And S6, driving a corresponding device to clamp the sampling cup according to the signal of the end limit switch by the system so as to perform subsequent detection and analysis of moisture and particle size composition. And S7, driving the supporting plate 21 to return to the initial position, namely the position corresponding to the discharge hole of the feeding chute 5, by the moving platform 2, and carrying out the next mixture sample filling process.
When judging that the sampling cup is full, the mode that the material level detection device is arranged at the sampling cup can be realized. Since the two sampling cups are the same height, but different diameters, the time it takes for the two sampling cups to fill with mix is different. When sample small cup 3 was filled first, material level detection device can detect a signal, when sample large cup 4 was filled, material level detection device can detect another signal, consequently when material level detection device detected two signals, can explain that two sample cups all fill with the mixture.
Because sample mug 4 and sample small cup 3 are filling up the mixture sample after, at sample mug 4 and sample small cup 3 removal in-process, sweep the material that material pole 6 was full to sample mug 4 and sample small cup 3 and sweep, the material that sweeps is exposed by material receiving opening 101. In order to avoid the scraped materials being discarded at the material receiving platform 1, in this embodiment, a material discarding box 7 and a material discarding chute 9 are further arranged below the material receiving platform 1 to discharge the scraped materials.
Specifically, a material discharge box 7 is arranged below the material receiving platform 1, and the material discharge box 7 is used for collecting materials scraped by the material sweeping rod 6. With material receiving platform 1 setting at the top of abandonment workbin 7, material receiving port 101 and abandonment workbin 7 intercommunication, when backup pad 21 drove sample mug 4 and sample mug 3 and moved terminal position by initial position, sample mug 4 and sample mug 3 can be through sweeping material pole 6 to sweep the material that goes out the sample mug mouth fully by sweeping material pole 6, fall into in the abandonment workbin 7.
A waste chute 9 is arranged below the waste box 7, and the waste chute 9 is communicated with the bottom of the waste box 7 and used for discharging waste materials collected in the waste box 7. The waste bin 7 has a limited receiving space and cannot store too much material, so that waste material received in the waste bin 7 can be discharged through the waste chute 9.
The waste materials stored in the waste material box 7 are partially scraped and swept by the sweeping rod 6 to fully discharge the materials at the cup mouths of the sampling cups 4 and the sampling cups 3, and are partially waste materials generated after moisture detection and particle size composition detection. The material receiving opening 101 and the entrance of the mixture generated by the moving platform 2 are used for realizing the entrance of the scraped material, and in order to facilitate the input of the waste material after moisture and particle size composition detection, in this embodiment, a waste material box entrance 72 is arranged on one side wall 71 of the waste material box 7, and the waste material box entrance 72 is used for realizing the input of the waste material.
When the waste material box 7 receives waste materials generated after moisture and particle size composition detection, a robot pours the materials in the two sampling cups into the waste material box 7, namely, the dried mixture and the drying disc are sent into the waste material box 7, the screened mixture and the screen are sent into the waste material box 7, and in order to sweep away the materials stained on the drying disc and the screen, the device provided by the embodiment is provided with a cleaning motor 8 and a brush disc 12 on the waste material box 7.
Specifically, as shown in fig. 6, a cleaning motor 8 is disposed on a side wall of the waste material tank 7, a driving end of the cleaning motor 8 is connected to a coupling 11 located in the waste material tank 7, a brush plate 12 is connected to a driving end of the coupling 11, and a cleaning brush 13 is disposed on the brush plate 12. The brush disc 12 is positioned in the waste material box 7, when the drying disc and the screen are placed in the waste material box 7, the cleaning motor 8 is driven to start working, the brush disc 12 is driven to rotate through the coupler 11, and the cleaning brushes 13 on the brush disc 12 clean materials stained on the material surface of the drying disc and the screen.
In order to avoid cleaning the materials that the brush 13 is stained with in cleaning drying tray and screen cloth charge level, the dust is danced, and the device that this embodiment provided is equipped with dust absorption pipe 10 at the lateral wall of abandoning workbin 7, and dust absorption pipe 10 and abandoning workbin 7 intercommunication for absorb the dust in the abandoning workbin 7. The dust suction pipe 10 sucks away dust in the waste material box 7, and when the materials are dumped and the brush plate cleans the screen, the flying dust is avoided.
According to the technical scheme, the receiving device for the mixture sample provided by the embodiment of the utility model is characterized in that the material receiving platform 1 is provided with the moving platform 2, and the small sampling cup 3 and the large sampling cup 4 with the same height are arranged on the moving platform 2; the feeding chute 5 comprises a first feeding pipe 51 and a second feeding pipe 52, wherein the discharge port of the first feeding pipe 51 is positioned above the sampling cup 3 and is used for providing a mixture sample for the sampling cup 3; the discharge port of the second feeding pipe 52 is positioned above the sampling beaker 4 and is used for providing a mixture sample for the sampling beaker 4; when the mobile platform 2 drives the sampling small cup 3 and the sampling large cup 4 to pass through the material sweeping rod 6, the material higher than the sampling small cup 3 and the sampling large cup 4 is swept by the material sweeping rod 6. It is thus clear that the device that this embodiment provided provides the material for two sample cups simultaneously through Y type feeding chute 5 to obtain simultaneously and be used for the mixture sample of moisture detection and be used for the mixture sample that the granularity constitutes the detection, obtain two mixture samples fast, satisfy the sample demand that the mixture granularity constitutes and moisture detecting system.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (8)
1. A mix sample receiving device, comprising: the device comprises a material receiving platform (1), wherein a moving platform (2) is arranged on the upper surface of the material receiving platform (1), and a sampling small cup (3) and a sampling large cup (4) which are the same in height are arranged on the moving platform (2); a feeding chute (5) is arranged above the small sampling cup (3) and the large sampling cup (4);
the feeding chute (5) comprises a first feeding pipe (51) and a second feeding pipe (52), and a discharge port of the first feeding pipe (51) is positioned above the sampling small cup (3) and used for providing a mixture sample for the sampling small cup (3); the discharge hole of the second feeding pipe (52) is positioned above the sampling beaker (4) and is used for providing a mixture sample for the sampling beaker (4);
the two ends of the moving platform (2) are provided with material sweeping rods (6), and the height of the material sweeping rods (6) is greater than or equal to that of the small sampling cup (3) or the large sampling cup (4); when the mobile platform (2) drives the sampling small cup (3) and the sampling large cup (4) to pass through the material sweeping rod (6), the material sweeping rod (6) is used for sweeping materials higher than the cup mouths of the sampling small cup (3) and the sampling large cup (4).
2. The device according to claim 1, characterized in that the mobile platform (2) comprises a support plate (21), a mobile guide (22), a mobile slider (23) and a guide drive; the material receiving platform (1) is provided with a material receiving opening (101), the movable guide rails (22) are arranged on the inner walls of two opposite sides of the material receiving opening (101), and two ends of the material sweeping rod (6) are respectively positioned on the outer sides of the opposite movable guide rails (22);
the support plate (21) is connected with the movable guide rail (22) in a sliding mode through the movable sliding block (23), and the sampling small cup (3) and the sampling large cup (4) are placed on the support plate (21).
3. The device according to claim 1, characterized in that the lower part of the vertical direction of the sweeping rod (6) is provided with a scraping brush (61), and the scraping brush (61) is used for scraping the materials higher than the cup mouths of the small sampling cup (3) and the large sampling cup (4).
4. The device according to claim 1, characterized in that a material reject box (7) is arranged below the material receiving platform (1), and the material reject box (7) is used for collecting the material scraped by the material sweeping rod (6).
5. An arrangement according to claim 4, characterized in that a reject chute (9) is arranged below the reject box (7), which reject chute (9) communicates with the bottom of the reject box (7) for discharging reject material collected in the reject box (7).
6. An arrangement according to claim 4, characterized in that a reject box inlet (72) is arranged in one side wall (71) of the reject box (7), said reject box inlet (72) being arranged to effect the discharge of reject material.
7. The device according to claim 4, characterized in that the side wall of the waste bin (7) is provided with a cleaning motor (8), the driving end of the cleaning motor (8) is connected with a coupling (11) located in the waste bin (7), the driving end of the coupling (11) is connected with a brush disc (12), and the brush disc (12) is provided with a cleaning brush (13).
8. An apparatus according to claim 4, characterized in that the side wall of the reject box (7) is provided with a dust suction pipe (10), which dust suction pipe (10) communicates with the reject box (7) for sucking dust in the reject box (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921087865.0U CN210513874U (en) | 2019-07-12 | 2019-07-12 | Receiving device of mixture sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921087865.0U CN210513874U (en) | 2019-07-12 | 2019-07-12 | Receiving device of mixture sample |
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| CN210513874U true CN210513874U (en) | 2020-05-12 |
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| CN201921087865.0U Active CN210513874U (en) | 2019-07-12 | 2019-07-12 | Receiving device of mixture sample |
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