CN221224492U - Tobacco moisture detector - Google Patents
Tobacco moisture detector Download PDFInfo
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- CN221224492U CN221224492U CN202323151151.0U CN202323151151U CN221224492U CN 221224492 U CN221224492 U CN 221224492U CN 202323151151 U CN202323151151 U CN 202323151151U CN 221224492 U CN221224492 U CN 221224492U
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- drying chamber
- sliding table
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- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 92
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- 238000001035 drying Methods 0.000 claims abstract description 132
- 241000208125 Nicotiana Species 0.000 claims abstract description 91
- 238000007599 discharging Methods 0.000 claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 55
- 238000001514 detection method Methods 0.000 claims description 26
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- Drying Of Solid Materials (AREA)
Abstract
The utility model provides a tobacco moisture detector which comprises a shell, a supporting frame, a workbench, a drying chamber, a weighing mechanism, a sample carrying mechanism and a control assembly, wherein the workbench and the drying chamber are arranged in the supporting frame, and the shell is arranged on the periphery of the supporting frame; the weighing mechanism is arranged in the supporting frame and positioned at the lower sides of the workbench and the drying chamber and is used for weighing the tobacco samples before, during and after drying; and a feeding and discharging port is formed in the drying chamber. The weighing mechanism comprises two weighing trays, the two weighing trays are respectively placed in the spigot on the workbench and in the spigot of the bottom plate of the drying chamber, the weighing tray in the spigot of the workbench is used for weighing the tobacco sample before drying, the weighing tray in the spigot of the bottom plate of the drying chamber is used for weighing the tobacco sample in the drying process and after drying, the degree of automation is high, and the measurement result is accurate.
Description
Technical Field
The utility model relates to the technical field of production and detection equipment in the tobacco industry, in particular to a tobacco moisture detector.
Background
In the tobacco industry, tobacco moisture is an important technical indicator for measuring tobacco products in various links of production. The moisture content of the tobacco directly influences the storage period, physical characteristics and chemical characteristics of the tobacco products. Therefore, the moisture content of tobacco needs to be strictly controlled. At present, methods for measuring moisture in the tobacco industry include an oven method, a gas chromatography method, an infrared method, a microwave method and the like, but the oven method is always the most classical method in the tobacco industry, and other methods need to be calibrated by the oven method. Determination of physical properties of cigarettes and filter sticks in national standard GB/T22838.8-2009, the national recommended technical standard prescribes a method for detecting moisture of tobacco and tobacco products by using an oven and a balance: firstly, grinding tobacco into tobacco dust with certain granularity, weighing a certain amount of samples by a balance, putting the tobacco dust into an oven, drying the samples at the temperature of 100 ℃ for 2 hours, taking out the dried samples, putting the dried samples into a drying chamber, cooling the dried samples to the room temperature, weighing the mass of the dried samples by the balance, and calculating the moisture content of the samples by using the mass of the samples before and after drying. The oven method has been widely adopted by the tobacco industry due to its simple and practical operation. However, the tobacco moisture is measured by using the oven and needs to be dried for 2 hours at the temperature of 100+/-2 ℃, the detection time is long, the efficiency is low, the quality of the sample before and after drying needs to be measured manually, the workload is large, and the detection result is greatly influenced by human factors. Therefore, a plurality of companies in the prior art develop a multi-sample rapid moisture detector, please refer to the following:
For example, in the prior art, the patent document entitled "a multi-sample tobacco moisture rapid detection device" discloses a multi-sample tobacco moisture rapid detection device, which has publication No. CN 210322667U, but the following problems are also presented in the above patents:
1. The automatic weighing module comprises an inner weighing sensor and an outer weighing sensor, and in order to ensure the accuracy of moisture detection, the weighing sensor with high precision is required to be selected, and the automatic weighing module is high in price, so that the multi-sample tobacco moisture rapid detection device is high in manufacturing cost and is not beneficial to market popularization.
2. The space for manually placing the empty sample tray and the sample is limited, particularly when the tobacco sample is in a filiform shape and a powdery shape, the sample is easy to scatter, the sample amount is difficult to control, and the operation difficulty is increased.
3. For improving efficiency, the device adopts multiple samples (10 groups) to detect moisture simultaneously, just so must have to advance when waiting to dry the sample dish, and the manual drying chamber door of opening, the interior high temperature air of drying can spill over in the twinkling of an eye, and the operating personnel still will wait to dry the sample dish and put on the tray in the drying chamber, have the risk of scalding operating personnel, cause equipment use problem.
4. The weighing head of the internal weighing sensor is also at high temperature when the equipment runs for a long time, so that the internal weighing sensor is severe in use environment and easy to damage.
5. The sample dish of accomplishing the stoving on the tray in the drying chamber needs the manual work to go out the ejection of compact, and whole operation process wastes time and energy, inefficiency.
In addition, the prior art also has an utility model patent with publication number of CN 211122400U and named as a detection device for the moisture adsorption and desorption performance of multiple samples of tobacco, and an utility model patent with publication number of CN 205749183U and named as a moisture tester, and the technical proposal disclosed in the two patent documents has the following problems: 1) The sample and the sample tray are both manually moved in and out, so that the operation is inconvenient; 2) The weighing module is also provided with a protection chamber outside, or is separated by a partition board, and the protection chamber has the same problems as the patent with publication number CN210322667U, and is not repeated here.
Disclosure of utility model
In view of the above-mentioned drawbacks of the prior art, the present utility model is to provide a tobacco moisture detector, which is used for solving the problems of inconvenient operation of sample to be detected in and out of the drying chamber, easy damage to the weighing module during installation and use, low efficiency of the operation process, and high overall cost of the device in the prior art.
In order to achieve the above purpose, the utility model provides a tobacco moisture detector, which comprises a shell, a support frame, a workbench, a drying chamber, a weighing mechanism, a sample carrying mechanism and a control assembly, wherein the workbench and the drying chamber are arranged in the support frame, and the shell is arranged on the periphery of the support frame; the weighing mechanism is arranged in the supporting frame and positioned at the lower sides of the workbench and the drying chamber and is used for weighing the tobacco samples before, during and after drying; the tobacco sample conveying mechanism is arranged on the workbench, and the tobacco sample conveying mechanism realizes conveying operation between the drying chamber and the workbench through the feeding and discharging port; the control assembly is in communication connection with the weighing mechanism and the sample carrying mechanism.
Preferably, the drying chamber comprises a drying chamber main body and a drying module, wherein the drying chamber main body comprises a bottom plate, a plurality of side plates and a top plate, the bottom plate and the plurality of side plates are fixedly connected in a sealing manner, and the top plate can cover the top ends of the plurality of side plates to enable the drying chamber to be in a sealing state; the drying module comprises a heater and a temperature sensor, the heater is arranged on the bottom surface of the top plate, the temperature sensor is arranged on the top plate, and the temperature sensor and the heater are in communication connection with the control assembly; a wind shield is also arranged on the workbench.
Preferably, the drying module further comprises a high-temperature fan and a guide plate, wherein a rotating shaft of the high-temperature fan penetrates through the top plate, blades of the high-temperature fan are positioned in the middle of the heater, the guide plate is arranged on the bottom surface of the top plate and positioned on the lower side of the heater, the temperature sensor is arranged on the side surface of the guide plate, and a plurality of gas guide holes are further formed in the guide plate; the driving source of the high-temperature fan is in communication connection with the control component.
Preferably, the tobacco moisture detector further comprises a turntable module, wherein the turntable module comprises a turntable, a heat insulation pad, a sealing ring, a turntable rotating shaft, a bearing seat assembly, a turntable rotating zero position switch and a turntable driving assembly; the rotary table rotating shaft penetrates through the bottom plate of the drying chamber in the vertical direction and is sealed through a sealing ring, the rotary table is arranged at the top end of the rotary table rotating shaft through a heat insulation pad, and the rotary table is positioned in the drying chamber; the turntable rotating shaft is arranged in a bearing seat assembly through a bearing, and the bearing seat assembly is fixed on the bottom surface of the bottom plate of the drying chamber; the rotary table rotating shaft is in transmission connection with the rotary table driving assembly, and the rotary table rotating zero position switch is arranged in the bearing seat assembly and is positioned in the radial direction of the rotary table rotating shaft; a plurality of storage grooves are formed in the turntable and used for placing the sample trays; the turntable rotating zero position switch and the turntable driving assembly are in communication connection with the control assembly.
Preferably, the weighing mechanism comprises a weighing support rod, a weighing disc, a weighing plate, a weighing sensor, a weighing lifting sliding table, a weighing zero position switch, a weighing driving source and a weighing installation backboard, wherein the number of the weighing support rod and the weighing disc is two, the number of the weighing plates is one, the two weighing support rods are connected with the weighing sensor through the weighing plates, the weighing sensor is arranged on the weighing lifting sliding table, the weighing lifting sliding table is arranged on the weighing installation backboard, the weighing installation backboard is arranged in a supporting frame, and the weighing driving source is arranged on the weighing installation backboard and is connected with the weighing lifting sliding table; the weighing zero switch is arranged on the weighing installation backboard; the bottom plate of the drying chamber and the workbench are provided with rabbets, any weighing disc is placed in the rabbet of the bottom plate of the drying chamber, and the other weighing disc is placed in the rabbet of the workbench; and the weighing sensor, the weighing zero switch and the weighing driving source are all in communication connection with the control assembly.
Preferably, the sample handling mechanism comprises a multi-axis manipulator and a fork holder, wherein the multi-axis manipulator comprises a manipulator mounting bottom plate, a manipulator vertical lifting sliding table, a manipulator horizontal sliding table and a manipulator horizontal telescopic sliding table, the manipulator mounting bottom plate is fixed on the bottom surface of the workbench, the manipulator vertical lifting sliding table is arranged on the manipulator mounting bottom plate, the manipulator horizontal sliding table is arranged on the manipulator vertical lifting sliding table, the manipulator horizontal telescopic sliding table is arranged on the manipulator horizontal sliding table, and the fork holder is arranged on a telescopic shaft of the manipulator horizontal telescopic sliding table; the driving source of the manipulator vertical lifting sliding table, the driving source of the manipulator horizontal rotating table and the driving source of the manipulator horizontal telescopic sliding table are all in communication connection with the control assembly.
Preferably, the sample carrying mechanism further comprises a manipulator lifting zero position switch, a manipulator rotating zero position switch and a fork holder sample tray detection switch, wherein the manipulator lifting zero position switch is arranged on the outer side of the manipulator vertical lifting sliding table and is used for detecting the lifting height of the manipulator horizontal rotating table; the manipulator rotation zero position switch is arranged on the manipulator horizontal rotary table and is used for detecting the rotation angle of the manipulator horizontal rotary table; the fork holder sample disk detection switch is arranged at the bottom of the horizontal telescopic sliding table of the manipulator and is used for judging whether the fork holder is used for holding the sample disk in place.
Preferably, the material inlet and outlet is arranged on a side plate of the drying chamber, and an opening and closing door module is arranged in the material inlet and outlet and used for controlling the opening and closing of the material inlet and outlet; the opening and closing door module comprises an opening and closing door mounting backboard, an opening and closing door vertical sliding table and a lifting door, wherein the lifting door is fixedly arranged on the opening and closing door vertical sliding table, the opening and closing door vertical sliding table is arranged on the opening and closing door mounting backboard, and the opening and closing door mounting backboard is fixedly connected with a bottom plate of the drying chamber; the driving source of the vertical sliding table of the opening and closing door is in communication connection with the control system.
Preferably, the tobacco moisture detector further comprises a sample tray discharging module, and the sample tray discharging module is arranged on the workbench; the sample tray discharging module comprises a discharging mounting plate, a discharging vertical lifting sliding table, a discharging sample tray bracket, a discharging horizontal telescopic sliding table, a tray pushing piece, a discharging turning door and a discharging guide groove plate, wherein the discharging mounting plate is fixed on the bottom surface of the workbench, the discharging vertical lifting sliding table is arranged on the discharging mounting plate along the vertical direction, and the discharging sample tray bracket is arranged on a telescopic shaft of the discharging vertical lifting sliding table; the flexible slip table of ejection of compact level sets up on ejection of compact mounting panel along the horizontal direction, push away the movable end of dish spare setting at the flexible slip table of ejection of compact level, ejection of compact turns over the articulated setting of door and is located the flexible slip table's of ejection of compact level motion orbit on ejection of compact mounting panel, blanking guide groove plate sets up on ejection of compact mounting panel and is located the below side that the ejection of compact turned over the door, the blanking guide groove plate runs through shell, and the below side of blanking guide groove plate still is provided with the collecting box.
Preferably, a pushing disc piece sample disc detection switch is further arranged in the sample disc discharging module, and the pushing disc piece sample disc detection switch is arranged on the discharging mounting plate and used for detecting whether a sample disc exists on the discharging sample disc bracket; the pushing disc sample disc detection switch is in communication connection with the control assembly.
As described above, the tobacco moisture detector according to the present utility model has the following advantages:
1. The utility model is provided with the weighing mechanism, the weighing mechanism comprises two weighing trays, the two weighing trays are respectively placed in the spigot on the workbench and in the spigot of the bottom plate of the drying chamber, the weighing tray in the spigot of the workbench is used for weighing the tobacco sample before drying, the weighing tray in the spigot of the bottom plate of the drying chamber is used for weighing the tobacco sample in the drying process and after drying, the degree of automation is high, and the measurement result is accurate.
2. The utility model is provided with the workbench, an operator manually places the sample on the workbench, the weighing mechanism weighs the sample, then the sample is transferred onto the turntable of the drying chamber from the workbench through the sample carrying mechanism for drying test, and the sample is automatically taken out after drying is finished, so that the degree of automation is high. Meanwhile, in the drying process, the sample tray on the turntable can enter and exit at any time, so that the condition that operators are scalded in the process of opening the drying chamber in the prior art is effectively avoided.
3. The automatic control of each part in the utility model is realized through the control component, parameters such as drying temperature, motor rotating speed, tobacco sample adding amount and the like can be controlled in real time, real-time monitoring and adjustment can be realized in the experimental process, experimental data can be automatically maintained, errors of manual operation in the prior art are reduced, and the working efficiency is effectively improved.
Drawings
FIG. 1 is a schematic spatial view of a tobacco moisture detector of the present utility model;
FIG. 2 is a schematic view of the internal structure of the tobacco moisture detector of the present utility model;
FIG. 3 is a schematic view of a drying chamber structure of the tobacco moisture detector of the present utility model;
FIG. 4 is a schematic view of the structure of an opening and closing door module of the tobacco moisture detector of the present utility model;
FIG. 5 is a schematic diagram of the structure of a drying module of the tobacco moisture detector of the present utility model;
FIG. 6 is a schematic view of the structure of a turntable module of the tobacco moisture detector of the present utility model;
FIG. 7 is a schematic view of the weighing mechanism of the tobacco moisture detector of the present utility model;
FIG. 8 is a schematic view of the structure of a sample handling mechanism of the tobacco moisture detector of the present utility model;
fig. 9 is a schematic structural view of a sample tray discharging module of the tobacco moisture detector of the present utility model.
Reference numerals illustrate:
1. A support leg;
2. a support frame;
3. A drying chamber; 301. a side plate; 302. a bottom plate; 303. a top plate; 304. a material inlet and a material outlet; 305. a door-turning frame; 306. a glass window; 307. a sealing strip;
4. An opening/closing door module; 401. the back plate is arranged on the opening and closing door; 402. a vertical sliding table for opening and closing the door; 403. a lifting door;
5. A drying module; 501. a heater; 502. a high temperature fan; 503. a temperature sensor; 504. a deflector;
6. A turntable module; 601. a turntable; 602. a heat insulating mat; 603. a seal ring; 604. a turntable rotation shaft; 605. a bearing; 606. a bearing block assembly; 607. a coupling; 608. the turntable rotates the zero position switch; 609. a speed reducer; 610. a turntable driving source; 611. a sample tray;
7. A weighing mechanism; 701. weighing the support rod; 702. weighing disc; 703. a weighing plate; 704. a weighing sensor; 705. a weighing lifting slipway; 706. a weighing zero switch; 707. a weighing driving source; 708. weighing and mounting a backboard;
8. A sample carrying mechanism; 801. a manipulator mounting base plate; 802. the manipulator vertically lifts the sliding table; 803. a manipulator horizontal rotary table; 804. the manipulator stretches out and draws back the slip table horizontally; 805. a fork holder; 806. a fork holder sample tray detection switch; 807. the manipulator lifts the zero position switch; 808. the mechanical arm rotates a zero switch;
9. A sample tray discharging module; 901. a discharging mounting plate; 902. discharging vertical lifting sliding table; 903. a discharge sample tray bracket; 904. a discharging horizontal telescopic sliding table; 905. a pushing disc member; 906. a push plate sample plate detection switch; 907. discharging and turning over a door; 908. blanking guide groove plates;
10. A work table; 11. an industrial personal computer; 12. the industrial personal computer bracket; 13. a housing; 14. a wind shield.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or adjustments of the sizes, which are otherwise, used in the practice of the utility model, are included in the spirit and scope of the utility model which is otherwise, without departing from the spirit or scope thereof. Also, the terms such as "upper", "lower", "left", "right", "middle", etc. are used herein for convenience of description, but are not to be construed as limiting the scope of the utility model, and the relative changes or modifications are not to be construed as essential to the scope of the utility model.
The present utility model provides a tobacco moisture detector (hereinafter referred to as the moisture detector), which is characterized in that for convenience of description, the length direction of a support frame 2 is defined as the front-back direction, the width direction of the support frame 2 is defined as the left-right direction, and the height direction of the support frame 2 is defined as the up-down direction, so that a rectangular space coordinate system is established in fig. 2, the X direction is the front-back direction, the Y direction is the left-right direction, and the Z direction is the front-back direction.
As shown in fig. 1-9, the utility model provides a tobacco moisture detector, which comprises a shell 13, a support frame 2, a workbench 10, a drying chamber 3, a weighing mechanism 7, a sample carrying mechanism 8 and a control assembly, wherein the workbench 10 and the drying chamber 3 are arranged in the support frame 2, and the shell 13 is arranged on the periphery of the support frame 2; the weighing mechanism 7 is arranged in the support frame 2 along the front-rear direction and positioned below the workbench 10 and the drying chamber 3, and is used for weighing the tobacco samples before, during and after drying; a material inlet and outlet port 304 is formed in the drying chamber 3, a sample carrying mechanism 8 is arranged on the workbench 10, and the sample carrying mechanism 8 carries tobacco samples through the material inlet and outlet port 304 to realize carrying operation between the drying chamber 3 and the workbench 10; the control component is in communication connection with the weighing mechanism 7 and the sample carrying mechanism 8.
According to the utility model, the workbench 10 and the drying chamber 3 are arranged, the weighing mechanism 7 is positioned at the lower sides of the workbench 10 and the drying chamber 3, after an operator manually places a tobacco sample on the workbench 10, the weighing mechanism 7 weighs the tobacco sample before drying, then the sample carrying mechanism 8 carries the tobacco sample into the drying chamber 3, and the weighing mechanism 7 weighs the tobacco sample during and after drying, so that the degree of automation is high, and the problem of large error due to manual weighing in the prior art is solved. Simultaneously, the sample carrying mechanism 8 is arranged to realize automatic carrying of tobacco samples from the workbench 10 to the drying chamber 3 and carrying of the tobacco samples from the drying chamber 3 to the workbench 10, so that the problem of scalding when an operator puts in and takes out the tobacco samples from the drying chamber 3 in the prior art is solved.
Preferably, as shown in fig. 2, the bottom end of the supporting frame 2 is provided with a foot 1, and the height of the foot 1 is adjustable for adjusting the supporting frame 2 to the same horizontal plane.
Preferably, as shown in fig. 2, 3 and 5, the drying chamber 3 includes a drying chamber body and a drying module 5, the drying chamber body includes a bottom plate 302, a plurality of side plates 301 and a top plate 303, the bottom plate 302 and the plurality of side plates 301 are fixedly connected in a sealing manner, and the top plate 303 can cover the top ends of the plurality of side plates 301 to enable the drying chamber 3 to be in a sealing state; the drying module 5 comprises a heater 501 and a temperature sensor 503, wherein the heater 501 is arranged on the bottom surface of the top plate 303, the temperature sensor 503 is arranged on the top plate 303, and the temperature sensor 503 and the heater 501 are in communication connection with the control component; a windshield 14 is also provided on the table 10. In this embodiment, to avoid heat leakage in the drying chamber 3, the bottom plate 302, the side plate 301, and the top plate 303 are all made of mica plate heat insulation materials, and adjacent plates are tightly sealed by screws and sealant; meanwhile, as shown in fig. 5, the edge of the top plate 303 is further provided with a sealing strip 307, when the top plate 303 covers the top end of the side plate 301, the sealing strip 307 automatically seals, so that hot air in the drying chamber 3 is prevented from overflowing. The sealing strip 307 in this embodiment is made of silica gel. Further, the windshield 14 is hinged to the workbench 10 through a hinge, and the purpose of the windshield 14 is to avoid the influence of the external environment on the measurement result in the process of weighing the tobacco sample.
Preferably, as shown in fig. 5, the drying module 5 further includes a high temperature fan 502 and a deflector 504, the rotation shaft of the high temperature fan 502 penetrates through the top plate 303, the fan blade of the high temperature fan 502 is located in the middle of the heater 501, the deflector 504 is installed on the bottom surface of the top plate 303 and the deflector 504 is located at the lower side of the heater 501, the temperature sensor 503 is installed at the side surface of the deflector 504, and a plurality of gas diversion holes are further formed in the deflector 504; the drive source of the high temperature fan 502 is communicatively coupled to the control assembly. In this embodiment, the high temperature fan 502 and the deflector 504 are used to diffuse the heat of the heater 501 into the drying chamber 3 rapidly and uniformly, so as to ensure the uniform temperature of the drying chamber 3.
Further, as shown in fig. 2 and 5, in order to realize timely observation of the drying condition in the drying chamber 3 by an operator, the top plate 303 is further provided with a glass window 306, and the glass window 306 is made of a high transparent quartz glass material. In order to ensure the rigidity of the top plate 303, the outer periphery of the top plate 303 is further provided with a door-turning frame 305, the top plate 303 is fixed in the door-turning frame 305, and the door-turning frame 305 is glued to the side plate 301 through hinges and hydraulic rods.
Further, as shown in fig. 3, in this embodiment, the number of the feeding and discharging ports 304 is one, and in other embodiments, the number of the feeding and discharging ports 304 may be multiple, so as to match with devices such as an automatic sample injector, and realize an automatic sample injection function.
Preferably, as shown in fig. 2, 3 and 6, the moisture detector further comprises a turntable module 6, wherein the turntable module 6 comprises a turntable 601, a heat insulation pad 602, a sealing ring 603, a turntable rotating shaft 604, a bearing 605, a bearing seat assembly 606, a turntable rotating zero position switch 608 and a turntable driving assembly; the rotary table rotating shaft 604 penetrates through the bottom plate 302 of the drying chamber 3 in the vertical direction and is sealed by a sealing ring 603, the rotary table 601 is arranged at the top end of the rotary table rotating shaft 604 through a heat insulation pad 602, and the rotary table 601 is positioned in the drying chamber 3; the turntable rotating shaft 604 is arranged in a bearing seat assembly 606 through a bearing 605, and the bearing seat assembly 606 is fixed on the bottom surface of the bottom plate 302 of the drying chamber 3; the turntable rotation shaft 604 is in transmission connection with the turntable driving assembly, and the turntable rotation zero position switch 608 is arranged in the bearing seat assembly 606 and is positioned in the radial direction of the turntable rotation shaft 604; the turntable 601 is provided with a plurality of storage grooves for placing the sample tray 611; the turntable rotation zero switch 608, and the turntable drive assembly are communicatively coupled to the control assembly.
Further, as shown in fig. 6, in this embodiment, the turntable driving assembly includes a turntable driving source 610, a speed reducer 609, and a coupling 607, the turntable driving source 610 adopts a rotary servo motor, the rotation speed of the turntable driving source 610 can be adjusted by the control assembly, and the turntable rotation zero position switch 608 is used for detecting the rotation angle of the turntable 601, so as to ensure the accuracy of the rotation positions of the ten sample trays 611 on the turntable 601.
Further, in this embodiment, the number of the object placing grooves on the turntable 601 is ten, so that ten sample trays 611 can be placed simultaneously for drying measurement, and the measurement efficiency can be effectively improved. The heat insulation pad 602 is made of mica plate heat insulation materials and is used for insulating heat of the turntable 601 in the drying chamber 3 and ensuring that the heat cannot be transferred to the turntable rotating shaft 604; the sealing ring 603 adopts high temperature resistant silica gel material and is in sealing connection with the bottom plate 302 of the drying chamber 3, so that high temperature gas in the drying chamber 3 is prevented from overflowing.
Preferably, as shown in fig. 2 and 7, the weighing mechanism 7 comprises two weighing struts 701, two weighing trays 702, two weighing plates 703, a weighing sensor 704, a weighing lifting sliding table 705, a weighing zero position switch 706, a weighing driving source 707 and a weighing mounting backboard 708, wherein the two weighing struts 701 and the two weighing trays 702 are respectively connected with the weighing sensor 704 through the weighing plates 703, the weighing sensor 704 is arranged on the weighing lifting sliding table 705, the weighing lifting sliding table 705 is arranged on the weighing mounting backboard 708, the weighing mounting backboard 708 is arranged in the supporting frame 2, the weighing driving source 707 is arranged on the weighing mounting backboard 708, and the weighing driving source 707 is connected with the weighing lifting sliding table 705; the weighing zero position switch 706 is arranged on the weighing installation backboard 708; the bottom plate 302 of the drying chamber 3 and the workbench 10 are provided with rabbets, the weighing disc 702 at the rear side end is placed in the rabbet of the bottom plate 302 of the drying chamber 3 and is in airtight connection, so that the overflow of heat in the drying chamber 3 is avoided, and the weighing disc 702 at the front side end is placed in the rabbet on the workbench 10; the load cell 704, the weighing zero switch 706, and the weighing driving source 707 are all communicatively connected to the control assembly.
Further, in this embodiment, a tapered hole is formed in the center of the bottom end of the weighing pan 702, and the top end of the weighing strut 701 abuts against the weighing pan 702 through the tapered hole. When the weighing lifting sliding table 705 is at the initial position, the weighing disc 702 is respectively placed in the spigot of the workbench 10 and the spigot of the drying chamber 3, and the weighing disc 702 is separated from the weighing support rod 701; when the lifting sliding table 705 rises under the action of the weighing driving source 707, the weighing support rod 701 jacks up the weighing tray 702, and the weighing tray 702 jacks up the sample tray 611 placed on the weighing tray 702, so that the weighing of the tobacco sample is completed.
Further, in the present embodiment, the level of the bottom plate 302 of the drying chamber 3 is higher than the level of the workbench 10 by 15mm, that is, the level of the weighing pan 702 in the spigot of the bottom plate 302 of the drying chamber 3 is higher than the level of the weighing pan 702 in the spigot of the workbench 10, and the weighing sensor 704 adopts a single weighing sensor, so that the measurement of the weight of the sample in the drying chamber 3 and the measurement of the weight of the sample in the spigot of the workbench 10 are respectively realized by means of the difference of the lifting heights of the weighing sensor 704. The weighing driving source 707 adopts a linear servo motor, the extension length of the weighing driving source 707 can be adjusted through the control component, the weighing zero position switch 706 is used for judging the ascending height of the weighing lifting sliding table 705, and whether the weighing supporting rod 701 jacks up the weighing disc 702 in the spigot of the workbench 10 or the weighing disc 702 in the spigot of the bottom plate 302 of the drying chamber 3 is judged.
Preferably, as shown in fig. 8, the sample handling mechanism 8 includes a multi-axis manipulator including a manipulator mounting base plate 801, a manipulator vertical lifting slide table 802, a manipulator horizontal rotary table 803, and a manipulator horizontal telescopic slide table 804, the manipulator mounting base plate 801 is fixed on the bottom surface of the work table 10, the manipulator vertical lifting slide table 802 is provided on the manipulator mounting base plate 801, the manipulator horizontal rotary table 803 is provided on the manipulator vertical lifting slide table 802, the manipulator horizontal telescopic slide table 804 is provided on the manipulator horizontal rotary table 803, and the fork 805 is provided on the telescopic shaft of the manipulator horizontal telescopic slide table 804; the driving source of the manipulator vertical lifting sliding table 802, the driving source of the manipulator horizontal rotating table 803 and the driving source of the manipulator horizontal telescopic sliding table 804 are all in communication connection with the control assembly.
Further, as shown in fig. 8, the sample handling mechanism 8 further includes a manipulator lifting zero position switch 807, a manipulator rotation zero position switch 808, and a fork sample tray detection switch 806, where the manipulator lifting zero position switch 807 is disposed outside the manipulator vertical lifting sliding table 802, and is used for detecting an initial lifting zero degree of the manipulator horizontal rotating table 803; a manipulator rotation zero position switch 808 is provided on the manipulator horizontal rotation stage 803 for detecting an initial rotation zero position of the manipulator horizontal rotation stage 803; a fork sample tray detection switch 806 is provided at the bottom of the manipulator horizontal telescoping slip table 804 for determining whether the fork 805 is holding the sample tray 611 in place.
In the embodiment, a driving source of the manipulator vertical lifting sliding table 802 and a driving source of the manipulator horizontal rotating table 803 both adopt high-precision closed-loop controlled servo stepping motors; the driving source of the horizontal telescopic sliding table 804 of the manipulator adopts pneumatic components such as compressed air, reversing valves and the like. In order to ensure the stable and effective forking of the forking device 805 on the sample tray 611, the right end part of the forking device 805 is provided with a circular groove according to the diameter of the sample tray 611, and the upper edge of the circular groove is provided with a 30-degree bevel edge, so that the forking device is convenient for forking the sample tray 611 and ensures the safe and reliable process of forking the sample tray 611.
Preferably, as shown in fig. 2, 3 and 4, a material inlet and outlet port 304 is formed on a side plate 301 of the drying chamber 3, and an opening and closing door module 4 is arranged in the material inlet and outlet port 304 and used for controlling the opening and closing of the material inlet and outlet port 304; the opening and closing door module 4 comprises an opening and closing door mounting backboard 401, an opening and closing door vertical sliding table 402 and a lifting door 403, wherein the lifting door 403 is fixedly arranged on the opening and closing door vertical sliding table 402, the opening and closing door vertical sliding table 402 is arranged on the opening and closing door mounting backboard 401, and the opening and closing door mounting backboard 401 is fixedly connected with the bottom plate 302 of the drying chamber 3; the drive source of the shutter vertical sliding table 402 is communicatively connected to a control system. In the present embodiment, the driving source of the opening/closing door vertical sliding table 402 employs a pneumatic member such as compressed air, a reversing valve, or the like.
Preferably, as shown in fig. 9, the moisture detector further comprises a sample tray discharging module 9, wherein the sample tray discharging module 9 is arranged on the workbench 10; the sample tray discharging module 9 comprises a discharging mounting plate 901, a discharging vertical lifting sliding table 902, a discharging sample tray bracket 903, a discharging horizontal telescopic sliding table 904, a tray pushing piece 905, a discharging turnover door 907 and a discharging guide groove plate 908, wherein the discharging mounting plate 901 is fixed on the bottom surface of the workbench 10, the discharging vertical lifting sliding table 902 is arranged on the discharging mounting plate 901 along the vertical direction, and the discharging sample tray bracket 903 is arranged on a telescopic shaft of the discharging vertical lifting sliding table 902; the flexible slip table 904 of ejection of compact level sets up on ejection of compact mounting panel 901 along the horizontal direction, and push away pan 905 sets up the expansion end at the flexible slip table 904 of ejection of compact level, ejection of compact turn-over door 907 articulated set up on ejection of compact mounting panel 901 and be located the motion trail of the flexible slip table 904 of ejection of compact level, blanking guide runner 908 sets up on ejection of compact mounting panel 901 and is located the below side of ejection of compact turn-over door 907, and blanking guide runner 908 runs through shell 13, and the below side of blanking guide runner 908 still is provided with the collecting box. In this embodiment, the driving source of the discharging vertical lifting sliding table 902 and the driving source of the discharging horizontal telescopic sliding table 904 both adopt pneumatic components such as compressed air and a reversing valve.
Further, as shown in fig. 9, a tray sample tray detection switch 906 is further disposed in the sample tray discharging module 9, and the tray sample tray detection switch 906 is disposed on the discharging mounting plate 901 and is used for detecting whether the sample tray 611 is on the discharging sample tray bracket 903; the pusher sample tray detection switch 906 is communicatively coupled to the control assembly.
Preferably, as shown in fig. 1 and 2, in this embodiment, the control assembly includes an industrial personal computer 11, an industrial personal computer bracket 12, and a control module, the control module is disposed inside the industrial personal computer 11, the industrial personal computer 11 is disposed on the industrial personal computer bracket 12, and the industrial personal computer bracket 12 is disposed on the right side surface of the support frame 2; a multi-shaft self-locking structure is also arranged between the industrial personal computer bracket 12 and the supporting frame 2; the control module comprises a temperature controller, a signal transmitter, a motion controller and an information processor, wherein the temperature controller is used for controlling the temperature in the drying chamber 3; the signal transmitter is used for converting the acquired temperature signals; the motion controller is used for controlling the parts; the information processor is used for processing the information.
Further, in this embodiment, the industrial personal computer bracket 12 is installed on the supporting frame 2 through a multi-axis self-locking structure, so that multi-angle adjustment can be performed, and convenience is brought to operators. The industrial personal computer 11 can be a touch integrated machine, can be controlled by manual touch, and can also be controlled by a mouse and a keyboard.
Further, in this embodiment, the driving sources of the lifting sliding table and the telescopic sliding table may be pneumatically driven, or may be driven by a linear servo motor or a rotary servo motor.
The utility model relates to a tobacco moisture detector, which has the following working principle:
Firstly, an operator places a sample tray 611 on a weighing tray 702 in a spigot of a workbench 10, then a control assembly starts a weighing driving source 707 to work, the weighing driving source 707 drives a weighing sensor 704 to ascend until the sample tray 611 on the front side weighing tray 702 is jacked up, and the weighing sensor 704 measures the dead weight of the sample tray 611; then, an operator places a proper amount of tobacco sample on the sample tray 611, the weighing sensor 704 measures the total weight of the sample tray 611 and the tobacco sample, and the weight of the tobacco sample is calculated by an information processor in the control assembly; then the weighing sensor 704 feeds back information to the control component, the control component receives the information and controls the operation of the opening and closing door module 4 and the sample carrying mechanism 8, and the material inlet and outlet 304 is opened; the fork holder 805 carries the sample tray 611 on the workbench 10 onto the turntable 601 in the drying chamber 3 under the action of the manipulator vertical lifting sliding table 802, the manipulator horizontal rotating table 803 and the manipulator horizontal telescopic sliding table 804, and then the opening and closing door module 4 and the sample carrying mechanism 8 are reset; the above operation is repeated a plurality of times to complete feeding of ten sample trays 611 on the turntable 601.
Next, the control assembly starts the turntable module 6 and the drying module 5, the turntable 601 rotates to drive the sample tray 611 to rotate, and the heater 501, the high temperature fan 502 and the guide plate 504 in the drying module 5 raise the temperature in the drying chamber 3. After a period of drying, the control assembly drives the weighing mechanism 7 to weigh the sample pan 611 in the turntable 601, thereby measuring the change in weight of the tobacco sample during drying. When the weight of the tobacco sample is substantially unchanged within a certain time range, i.e. the moisture in the tobacco sample is completely evaporated, the load cell 704 records the weight of the dried tobacco sample and compares the weight of the dried tobacco sample with the weight of the tobacco sample before drying, thereby obtaining the moisture content of the tobacco sample.
At the next time, after the moisture of the tobacco sample is completely dried, the control assembly starts the work of the opening and closing door module 4 and the sample carrying mechanism 8 again, the material inlet and outlet port 304 is opened, and the fork 805 carries the sample tray 611 on the turntable 601 onto the workbench 10 under the action of the manipulator vertical lifting sliding table 802, the manipulator horizontal rotating table 803 and the manipulator horizontal telescopic sliding table 804, so as to complete the discharging of the tobacco sample.
Further, when the weighing mechanism 7 weighs the sample tray 611 on the turntable 601, the weighing zero position switch 706 detects the rising height of the weighing sensor 704, and when the rising height reaches the height of the workbench 10, the weighing sensor 704 detects the pressure, which indicates that the sample tray 611 is placed in the spigot of the workbench 10, so that the control component starts the sample handling mechanism 8 to handle the sample tray 611 on the discharge sample tray bracket 903 of the material module at the sample tray 611, the discharge sample tray bracket 903 descends, the tray sample tray detection switch 906 detects that the sample tray 611 exists on the discharge sample tray bracket 903, the discharge horizontal telescopic sliding table 904 drives the tray pushing member 905 to move, and the tray pushing member 905 pushes the sample tray 611 to move out of the workbench 10 through the discharge flip 907 and the blanking guide chute 908 and drop into the collecting box below the blanking guide chute 908. The load cell 704 is then raised to the level of the floor 302 of the drying chamber 3, weighing the sample pan 611 on the turntable 601 of the drying chamber 3.
Further, the rotary table rotation zero position switch 608 detects the rotation angle of the rotary table 601, in this embodiment, the angle between the ten sample trays 611 is 36 °, and the weighing mechanism 7 performs weighing once every 36 ° of rotation of the rotary table 601, thereby completing weighing of the ten sample trays 611 in one rotation period. When rotated 360 ° and multiples of 360 °, the weighing mechanism 7 weighs the same sample pan 611, facilitating comparison of the moisture content of the tobacco sample in the same sample pan 611.
When the weight of the same sample tray 611 varies less than 1mg within 20 seconds, which means that the moisture in the tobacco sample is substantially completely evaporated, drying is completed and the tobacco sample can be discharged.
The tobacco moisture detector has the following beneficial effects:
1. The tobacco moisture detector has high automation degree, an operator can manually place a tobacco sample on the workbench 10, so that the operations of automatic weighing, automatic feeding, automatic drying, automatic discharging and the like can be performed, the control component can automatically calculate the moisture content in the tobacco sample according to the automatic weighing value, and the measurement accuracy is high.
2. The tobacco moisture detector is provided with the opening and closing door module 4 and is automatically controlled by the control component, and the sample tray 611 on the turntable 601 can enter and exit at any time in the drying process, so that the condition that operators are scalded due to the fact that the drying chamber 3 is required to be opened manually in the prior art is effectively avoided.
3. The utility model is provided with the control component, can control parameters such as drying temperature, motor rotating speed, tobacco sample addition amount and the like in real time, can monitor and adjust in real time in the experimental process, automatically saves experimental data, has high degree of automation, reduces errors of manual operation in the prior art, and effectively improves working efficiency.
In conclusion, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (10)
1. A tobacco moisture detector which is characterized in that: the device comprises a shell (13), a supporting frame (2), a workbench (10), a drying chamber (3), a weighing mechanism (7), a sample carrying mechanism (8) and a control assembly, wherein the workbench (10) and the drying chamber (3) are arranged in the supporting frame (2), and the shell (13) is arranged on the periphery of the supporting frame (2); the weighing mechanism (7) is arranged in the supporting frame (2) and positioned below the workbench (10) and the drying chamber (3) and is used for weighing the tobacco samples before, during and after drying; a feeding and discharging port (304) is formed in the drying chamber (3), the sample conveying mechanism (8) is arranged on the workbench (10), and the sample conveying mechanism (8) conveys tobacco samples through the feeding and discharging port (304) to realize conveying operation between the drying chamber (3) and the workbench (10); the control assembly is in communication connection with the weighing mechanism (7) and the sample carrying mechanism (8).
2. The tobacco moisture detector of claim 1, wherein: the drying chamber (3) comprises a drying chamber main body and a drying module (5), wherein the drying chamber main body comprises a bottom plate (302), a plurality of side plates (301) and a top plate (303), the bottom plate (302) and the plurality of side plates (301) are fixedly connected in a sealing mode, and the top plate (303) can cover the top ends of the plurality of side plates (301) to enable the drying chamber (3) to be in a sealing state; the drying module (5) comprises a heater (501) and a temperature sensor (503), wherein the heater (501) is arranged on the bottom surface of the top plate (303), the temperature sensor (503) is arranged on the top plate (303), and the temperature sensor (503) and the heater (501) are in communication connection with the control component; a wind shield (14) is also arranged on the workbench (10).
3. The tobacco moisture detector of claim 2, wherein: the drying module (5) further comprises a high-temperature fan (502) and a guide plate (504), a rotating shaft of the high-temperature fan (502) penetrates through the top plate (303), blades of the high-temperature fan (502) are located in the middle of the heater (501), the guide plate (504) is arranged on the bottom surface of the top plate (303) and located on the lower side of the heater (501), the temperature sensor (503) is arranged on the side surface of the guide plate (504), and a plurality of gas guide holes are further formed in the guide plate (504); the driving source of the high-temperature fan (502) is in communication connection with the control assembly.
4. The tobacco moisture detector of claim 2, wherein: the rotary table comprises a rotary table module (6), wherein the rotary table module (6) comprises a rotary table (601), a heat insulation pad (602), a sealing ring (603), a rotary table rotating shaft (604), a bearing (605), a bearing seat assembly (606), a rotary table rotating zero position switch (608) and a rotary table driving assembly; the rotary table rotating shaft (604) penetrates through the bottom plate (302) of the drying chamber (3) along the vertical direction and is sealed through the sealing ring (603), the rotary table (601) is arranged at the top end of the rotary table rotating shaft (604) through the heat insulation pad (602), and the rotary table (601) is positioned in the drying chamber (3); the turntable rotating shaft (604) is arranged in a bearing seat assembly (606) through a bearing (605), and the bearing seat assembly (606) is fixed on the bottom surface of a bottom plate (302) of the drying chamber (3); the turntable rotating shaft (604) is in transmission connection with the turntable driving assembly, and the turntable rotating zero position switch (608) is arranged in the bearing seat assembly (606) and is positioned in the radial direction of the turntable rotating shaft (604); a plurality of storage grooves are formed in the rotary table (601) and used for placing the sample trays (611); the turntable rotation zero position switch (608) and the turntable driving assembly are in communication connection with the control assembly.
5. The tobacco moisture detector of claim 2, wherein: the weighing mechanism (7) comprises two weighing struts (701), two weighing plates (702), a weighing plate (703), a weighing sensor (704), a weighing lifting sliding table (705), a weighing zero switch (706), a weighing driving source (707) and a weighing installation backboard (708), wherein the number of the weighing struts (701) and the number of the weighing plates (702) are two, the number of the weighing plates (703) is one, the two weighing struts (701) are connected with the weighing sensor (704) through the weighing plates (703), the weighing sensor (704) is arranged on the weighing lifting sliding table (705), the weighing lifting sliding table (705) is arranged on a weighing installation backboard (708), the weighing installation backboard (708) is arranged in a supporting frame (2), the weighing driving source (707) is arranged on the weighing installation backboard (708), and the weighing driving source (707) is connected with the weighing lifting sliding table (705). The weighing zero position switch (706) is arranged on the weighing installation backboard (708); the bottom plate (302) of the drying chamber (3) and the workbench (10) are provided with rabbets, any weighing disc (702) is placed in the rabbet of the bottom plate (302) of the drying chamber (3), and the other weighing disc (702) is placed in the rabbet of the workbench (10); and the weighing sensor (704), the weighing zero switch (706) and the weighing driving source (707) are all in communication connection with the control component.
6. The tobacco moisture detector of claim 2, wherein: the sample carrying mechanism (8) comprises a multi-axis manipulator and a fork holder (805), wherein the multi-axis manipulator comprises a manipulator mounting base plate (801), a manipulator vertical lifting sliding table (802), a manipulator horizontal rotating table (803) and a manipulator horizontal telescopic sliding table (804), the manipulator mounting base plate (801) is fixed on the bottom surface of the workbench (10), the manipulator vertical lifting sliding table (802) is arranged on the manipulator mounting base plate (801), the manipulator horizontal rotating table (803) is arranged on the manipulator vertical lifting sliding table (802), the manipulator horizontal telescopic sliding table (804) is arranged on the manipulator horizontal rotating table (803), and the fork holder (805) is arranged on a telescopic shaft of the manipulator horizontal telescopic sliding table (804); the driving source of the manipulator vertical lifting sliding table (802), the driving source of the manipulator horizontal rotating table (803) and the driving source of the manipulator horizontal telescopic sliding table (804) are all in communication connection with the control assembly.
7. The tobacco moisture detector of claim 6, wherein: the sample carrying mechanism (8) further comprises a manipulator lifting zero position switch (807), a manipulator rotating zero position switch (808) and a fork sample tray detection switch (806), wherein the manipulator lifting zero position switch (807) is arranged on the outer side of the manipulator vertical lifting sliding table (802) and is used for detecting the lifting height of the manipulator horizontal rotating table (803); the manipulator rotation zero position switch (808) is arranged on the manipulator horizontal rotary table (803) and is used for detecting the rotation angle of the manipulator horizontal rotary table (803); the fork holder sample tray detection switch (806) is arranged at the bottom of the horizontal telescopic sliding table (804) of the manipulator and is used for judging whether the fork holder (805) is used for holding the sample tray (611) in place.
8. The tobacco moisture detector of claim 2, wherein: the material inlet and outlet (304) is arranged on a side plate (301) of the drying chamber (3), and an opening and closing door module (4) is arranged in the material inlet and outlet (304) and used for controlling the opening and closing of the material inlet and outlet (304); the opening and closing door module (4) comprises an opening and closing door mounting backboard (401), an opening and closing door vertical sliding table (402) and a lifting door (403), wherein the lifting door (403) is fixedly arranged on the opening and closing door vertical sliding table (402), the opening and closing door vertical sliding table (402) is arranged on the opening and closing door mounting backboard (401), and the opening and closing door mounting backboard (401) is fixedly connected with a bottom plate (302) of the drying chamber (3); the driving source of the vertical sliding table (402) of the opening and closing door is in communication connection with a control system.
9. The tobacco moisture detector of claim 2, wherein: the device also comprises a sample tray discharging module (9), wherein the sample tray discharging module (9) is arranged on the workbench (10); the sample tray discharging module (9) comprises a discharging mounting plate (901), a discharging vertical lifting sliding table (902), a discharging sample tray bracket (903), a discharging horizontal telescopic sliding table (904), a tray pushing piece (905), a discharging turnover door (907) and a discharging guide groove plate (908), wherein the discharging mounting plate (901) is fixed on the bottom surface of the workbench (10), the discharging vertical lifting sliding table (902) is arranged on the discharging mounting plate (901) along the vertical direction, and the discharging sample tray bracket (903) is arranged on a telescopic shaft of the discharging vertical lifting sliding table (902); the horizontal flexible slip table (904) of ejection of compact sets up on ejection of compact mounting panel (901) along the horizontal direction, push away pan spare (905) and set up the expansion end at ejection of compact horizontal flexible slip table (904), ejection of compact turns over door (907) and articulatedly set up on ejection of compact mounting panel (901) and be located the motion trail of ejection of compact horizontal flexible slip table (904), blanking guide groove board (908) set up on ejection of compact mounting panel (901) and be located the below side of ejection of compact turns over door (907), blanking guide groove board (908) run through shell (13), and the below side of blanking guide groove board (908) still is provided with the collecting box.
10. The tobacco moisture detector of claim 9, wherein: a pushing disc sample disc detection switch (906) is further arranged in the sample disc discharging module (9), and the pushing disc sample disc detection switch (906) is arranged on the discharging mounting plate (901) and is used for detecting whether a sample disc (611) exists on the discharging sample disc bracket (903); the pusher sample tray detection switch (906) is communicatively coupled to the control assembly.
Priority Applications (1)
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CN202323151151.0U CN221224492U (en) | 2023-11-22 | 2023-11-22 | Tobacco moisture detector |
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Application Number | Priority Date | Filing Date | Title |
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CN202323151151.0U CN221224492U (en) | 2023-11-22 | 2023-11-22 | Tobacco moisture detector |
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CN221224492U true CN221224492U (en) | 2024-06-25 |
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CN202323151151.0U Active CN221224492U (en) | 2023-11-22 | 2023-11-22 | Tobacco moisture detector |
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