Tobacco shred structure measuring device

By using a combination of basic drum screen and expansion drum screen in the tobacco wire detection device, combined with components such as transmission gear and hydraulic rod, the problem of secondary crushing of tobacco wire by vibrating screen machine is solved, and efficient and accurate tobacco wire structure detection is achieved and quality control.

CN222469674UActive Publication Date: 2025-02-14CHINA TOBACCO GUANGXI IND
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Patent Information

Application Number
CN202421238231.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-31
Publication Date
2025-02-14
Estimated Expiration
2034-05-31

AI Technical Summary

Technical Problem

During the process of detecting tobacco wire, the vibration screen machine requires a large vibration frequency and vibration amplitude, which leads to secondary fragmentation of the tobacco wire, affecting the detection accuracy and the quality of the tobacco wire.

Method used

A tobacco wire structure measurement device was designed, using a combination of a basic drum screen and an expansion drum screen. Through the multi-stage screening of multiple expansion drum screens, vibration damage to the tobacco wire is reduced, and the smoothness is achieved through components such as transmission gears and hydraulic rods. Rotate and precise measurement.

Benefits of technology

It effectively reduces the breakage of tobacco during the detection process, reduces noise, improves the accuracy of detection and the quality of tobacco, and reduces the production cost and difficulty of movement of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of tobacco shred detection, and discloses a tobacco shred structure measuring device which comprises a frame body. The basic drum screen is rotatably arranged on the frame body, and first screen holes are formed in the basic drum screen; the expanding drum screen is rotatably arranged on the frame body, the expanding drum screen is arranged on the outer side of the basic drum screen in a sleeving mode, second screen holes are formed in the expanding drum screen, and the hole diameter of the second screen holes is smaller than that of the first screen holes; the expanding drum screens are sequentially arranged in a stacked and sleeved mode from inside to outside, and in every two adjacent expanding drum screens, the hole diameter of the second screen holes close to the outer side is smaller than that of the second screen holes close to the inner side. By arranging the basic drum screen and the expanded drum screen, high-frequency and high-strength vibration movement of tobacco shreds is not needed, and breakage of the tobacco shreds in the detection process is reduced; multi-stage screening of the tobacco shreds can be achieved through the multiple expansion drum screens; the requirement for the overall strength of the device is low, the device is light in weight and convenient to move, and meanwhile the production cost of the device is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of tobacco shred detection, in particular to a tobacco shred structure measuring device. Background Art

[0002] The structure of tobacco has an important impact on the quality stability of cigarettes, and directly affects the filling value, empty head rate, end-dropped tobacco and other related indicators of cigarettes. Therefore, the control of tobacco structure of cigarettes should be strengthened during the production process of cigarettes. Appropriate tobacco structure indicators require that the whole tobacco rate reaches more than 80% and the broken tobacco rate is less than 3%. The main classifications of tobacco size are: whole tobacco (tobacco size ≥ 3.35mm), medium tobacco (tobacco size between 2.25mm and 3.35mm), short tobacco (tobacco size between 1mm and 2.25mm) and broken tobacco (tobacco size below 1mm).

[0003] At present, the detection method of tobacco cut structure mainly utilizes vibrating screen to grade and measure tobacco cuts of different sizes, and obtains the structural distribution of tobacco cuts according to the mass proportion of tobacco cuts of different sizes screened out.

[0004] However, using a vibrating screen machine to fully separate the tobacco shreds requires a relatively large vibration frequency and amplitude, which results in the vibrating screen machine causing secondary crushing of the tobacco shreds during the process of detecting the tobacco shreds. Utility Model Content

[0005] In view of this, the utility model provides a tobacco shred structure measuring device to solve the problem of secondary crushing of tobacco shreds caused by a vibrating screen machine.

[0006] The utility model provides a tobacco structure measuring device, comprising: a frame; a basic drum screen, rotatably arranged on the frame, the basic drum screen being provided with a first sieve hole; an extended drum screen, rotatably arranged on the frame, the extended drum screen being sleeved on the outside of the basic drum screen, the extended drum screen being provided with a second sieve hole, the aperture of the second sieve hole being smaller than the aperture of the first sieve hole; a plurality of the extended drum screens are provided, the plurality of the extended drum screens are stacked and sleeved in sequence from the inside to the outside, and in two adjacent extended drum screens, the aperture of the second sieve hole on the outside is smaller than the aperture of the second sieve hole on the inside.

[0007] Beneficial effects: By setting up a basic drum screen and an extended drum screen, there is no need to subject the tobacco to high-frequency and high-intensity vibration movement, which reduces noise and reduces the breakage of tobacco during the detection process; multiple extended drum screens can achieve multi-stage screening of tobacco; the overall strength requirements of the device are low, the device is light in weight, and it is easy to move, while reducing the production cost of the device.

[0008] In an optional embodiment, the tobacco structure measuring device further comprises a weighing assembly, wherein the weighing assembly is suitable for abutting against the basic drum screen or the extended drum screen, and the weighing assembly is suitable for measuring the weight of the basic drum screen or the extended drum screen.

[0009] Beneficial effect: By setting up the weight measuring component, the weight of tobacco of different sizes can be measured after the tobacco is screened.

[0010] In an optional embodiment, the weighing assembly includes a hydraulic rod, a sensor and a base, one end of the hydraulic rod is arranged on the base, the other end of the hydraulic rod is connected to the sensor, and the sensor is suitable for abutting against the basic drum screen or the expanded drum screen.

[0011] Beneficial effect: By using the hydraulic rod lifting sensor, precise control of the lifting height can be achieved.

[0012] In an optional embodiment, the tobacco cut structure measuring device further comprises a weighing tray, and the weighing tray is arranged below the outermost expanded drum screen.

[0013] Beneficial effect: By setting up a weighing tray, the broken silk after screening by the extended drum screen can be received and the weight of the broken silk can be measured at the same time.

[0014] In an optional embodiment, the tobacco structure measuring device further includes a data monitoring component, wherein the data monitoring component is electrically connected to the sensor, and the data monitoring component is electrically connected to the weighing tray.

[0015] Beneficial effect: By setting up a data monitoring component, the weight of tobacco shreds of different sizes is recorded, so as to analyze the specific gravity of tobacco shreds of different sizes in the same batch of tobacco shreds.

[0016] In an optional embodiment, the tobacco structure measuring device also includes a transmission gear, and a plurality of transmission gears are provided. A first gear ring is provided on the outer wall of the basic drum screen, and a second gear ring is provided on the outer wall of the expanded drum screen. The transmission gear is connected to the first gear ring or the second gear ring in a transmission manner.

[0017] Beneficial effect: Through the transmission of the transmission gear, the basic drum screen and the extended drum screen rotate smoothly and reduce vibration, so as to reduce the impact on the tobacco structure.

[0018] In an optional embodiment, a feed port is provided on the basic drum screen, and the feed port is arranged on a side of the basic drum screen.

[0019] In an optional embodiment, the tobacco structure measuring device further comprises a lifting roller; the lifting roller is arranged on the inner wall of the basic drum screen; and / or the lifting roller is arranged on the inner wall of the extended drum screen.

[0020] Beneficial effect: By setting a lifting roller, the tobacco is lifted by the lifting roller and allowed to fall freely, so as to separate the clumped long filaments from the short filaments, improve the screening efficiency, and reduce dust.

[0021] In an optional embodiment, the central diameter of the basic drum screen is larger than the diameters on both sides of the basic drum screen; and / or the central diameter of the extended drum screen is larger than the diameters on both sides of the basic drum screen.

[0022] Beneficial effects: The central diameter of the basic drum screen is larger than the diameters on both sides, preventing tobacco from leaking out from both sides during rolling; the central diameter of the expanded drum screen is larger than the diameters on both sides, preventing tobacco from leaking out from both sides during rolling.

[0023] In an optional embodiment, a first discharge door is provided on the basic drum screen, and the first discharge door is arranged close to the bottom of the basic drum screen; and / or a second discharge door is provided on the extended drum screen, and the second discharge door is arranged close to the bottom of the extended drum screen.

[0024] Beneficial effects: by setting the first discharging door, it is convenient to take out the tobacco from the basic drum screen after the screening is completed; by setting the second discharging door, it is convenient to take out the tobacco from the expanded drum screen after the screening is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 This is a schematic diagram of the overall structure of a tobacco structure measuring device (the frame is not shown) according to an embodiment of the utility model;

[0027] Figure 2 It is a schematic diagram of the axial cross-sectional structure of the basic drum screen and the extended drum screen according to the embodiment of the utility model;

[0028] Figure 3 It is a side structural schematic diagram of the basic drum screen according to an embodiment of the utility model.

[0029] Description of reference numerals:

[0030] 10. Basic drum screen; 11. First gear ring; 12. Feed inlet; 13. First discharge gate; 20. Extended drum screen; 21. Second gear ring; 22. Second discharge gate; 30. Weight measuring assembly; 31. Hydraulic rod; 32. Sensor; 33. Base; 40. Weighing tray; 50. Transmission gear; 60. Lifting roller. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0032] Combine the following Figures 1 to 3 , describing an embodiment of the utility model.

[0033] According to an embodiment of the utility model, a tobacco structure measuring device is provided, comprising: a frame, a basic drum screen 10 and an extended drum screen 20; the basic drum screen 10 is rotatably arranged on the frame, and a first sieve hole is provided on the basic drum screen 10; the extended drum screen 20 is rotatably arranged on the frame, and the extended drum screen 20 is sleeved on the outside of the basic drum screen 10, and a second sieve hole is provided on the extended drum screen 20, and the aperture of the second sieve hole is smaller than the aperture of the first sieve hole; a plurality of extended drum screens 20 are provided, and the plurality of extended drum screens 20 are stacked and sleeved in sequence from the inside to the outside, and in two adjacent extended drum screens 20, the aperture of the second sieve hole on the outside is smaller than the aperture of the second sieve hole on the inside.

[0034] By using the tobacco structure measuring device of the present embodiment, by setting up a basic drum screen 10 and an extended drum screen 20, there is no need to subject the tobacco to high-frequency and high-intensity vibration movement, thereby reducing noise and reducing the breakage of the tobacco during the detection process; multi-stage screening of the tobacco can be achieved through multiple extended drum screens 20; the overall strength requirement of the device is low, the device is light in weight, and is easy to move, while reducing the production cost of the device.

[0035] For details, please refer to Figure 1 In the present embodiment, two expansion drum screens 20 are provided.

[0036] Specifically, the aperture of the first sieve hole is 3.35 mm, the aperture of the second sieve hole of the extended drum screen 20 adjacent to the basic drum screen 10 is 2.25 mm, and the aperture of the second sieve hole of the outermost extended drum screen 20 is 1 mm.

[0037] It should be noted that, in other alternative embodiments, the number of extended drum screens 20 can be adjusted according to actual conditions to increase the screening range of tobacco shreds sizes.

[0038] It should be noted that the apertures of the first sieve hole and the second sieve hole can also be designed according to actual needs to meet the detection requirements of different tobacco shred sizes.

[0039] In one embodiment, Figure 1 As shown, the tobacco structure determination device further includes a weight measuring component 30, which is suitable for contacting with the basic drum screen 10 or the extended drum screen 20, and is suitable for measuring the weight of the basic drum screen 10 or the extended drum screen 20. By setting the weight measuring component 30, the weight measurement of tobacco of different sizes can be achieved after the tobacco screening is completed.

[0040] For details, please refer to Figure 1 There are multiple weighing assemblies 30, and two sets of weighing assemblies 30 are arranged on both sides of the basic drum screen 10 and both sides of the expanded drum screen 20. The two sets of weighing assemblies 30 are linked, that is, they are raised or lowered at the same time to ensure the stability of the device.

[0041] In one embodiment, Figure 1 As shown, the weighing assembly 30 includes a hydraulic rod 31, a sensor 32 and a base 33. One end of the hydraulic rod 31 is disposed on the base 33, and the other end of the hydraulic rod 31 is connected to the sensor 32. The sensor 32 is suitable for abutting against the basic drum screen 10 or the extended drum screen 20. By using the hydraulic rod 31 to lift the sensor 32, precise control of the lifting height can be achieved.

[0042] It should be noted that, in the initial state, the sensor 32 is not in contact with the basic drum screen 10 or the expanded drum screen 20; when weight measurement is required, the hydraulic rod 31 is continuously raised upward, and the sensor 32 is in contact with the basic drum screen 10 or the expanded drum screen 20 until the basic drum screen 10 or the expanded drum screen 20 is completely lifted up, that is, the basic drum screen 10 or the expanded drum screen 20 is separated from the frame, and the weight of the basic drum screen 10 or the expanded drum screen 20 is measured.

[0043] In one embodiment, Figure 1 As shown, the tobacco structure measuring device further includes a weighing tray 40, which is arranged below the outermost extended drum screen 20. By arranging the weighing tray 40, the shredded shreds screened by the extended drum screen 20 can be received and the weight of the shredded shreds can be measured at the same time.

[0044] In one embodiment, the tobacco structure determination device further includes a data monitoring component, which is electrically connected to the sensor 32, and the data monitoring component is electrically connected to the weighing tray 40. By setting the data monitoring component, the weight of tobacco of different sizes is recorded, so as to analyze the specific gravity of tobacco of different sizes in the same batch of tobacco.

[0045] Specifically, the data monitoring component is a computer, which records the weight of tobacco of different sizes.

[0046] In one embodiment, Figure 1 As shown, the tobacco structure measuring device further includes a transmission gear 50, and a plurality of transmission gears 50 are provided. A first gear ring 11 is provided on the outer wall of the basic drum screen 10, and a second gear ring 21 is provided on the outer wall of the extended drum screen 20. The transmission gear 50 is transmission-connected with the first gear ring 11 or the second gear ring 21. Through the transmission of the transmission gear 50, the basic drum screen 10 and the extended drum screen 20 rotate smoothly and reduce vibration, so as to reduce the impact on the tobacco structure.

[0047] Specifically, the transmission gear 50 is a gear on the motor.

[0048] Specifically, first gear rings 11 are provided on both sides of the basic drum screen 10, and second gear rings 21 are provided on both sides of the expanded drum screen 20. Transmission gears 50 at both ends are used for simultaneous transmission to ensure that the basic drum screen 10 and the expanded drum screen 20 rotate smoothly.

[0049] In one embodiment, Figure 1 As shown, a feed port 12 is provided on the basic drum screen 10 , and the feed port 12 is arranged on the side of the basic drum screen 10 .

[0050] Specifically, the feed port 12 can be opened or closed by a buckle.

[0051] In one embodiment, Figure 2 and Figure 3 As shown, the tobacco structure measuring device further includes a lifting roller 60, which is arranged on the inner wall of the basic drum screen 10. By arranging the lifting roller 60, the tobacco is lifted by the lifting roller 60 and allowed to fall freely, so as to separate the agglomerated long filaments from the short filaments, improve the screening efficiency, and reduce dust.

[0052] For details, please refer to Figure 3 In this embodiment, three lifting rollers 60 are provided, and the three lifting rollers 60 are evenly distributed on the inner wall of the basic drum screen 10 along the axial direction of the basic drum screen 10. The screening efficiency is further improved by providing multiple lifting rollers 60.

[0053] Specifically, in this embodiment, the length of the lifting roller 60 is 50 mm.

[0054] In another embodiment, the lifting roller 60 may also be disposed on the inner wall of the expanded drum screen 20 .

[0055] In yet another embodiment, a plurality of lifting rollers 60 may be provided, and the plurality of lifting rollers 60 may be provided on the inner wall of the basic drum screen 10 and the inner wall of the expanded drum screen 20 at the same time.

[0056] In one embodiment, Figure 1 As shown, the central diameter of the basic drum screen 10 is larger than the diameters on both sides of the basic drum screen 10; the central diameter of the extended drum screen 20 is larger than the diameters on both sides of the basic drum screen 10. The central diameter of the basic drum screen 10 is larger than the diameters on both sides to prevent the tobacco from leaking out from both sides during the rolling process; the central diameter of the extended drum screen 20 is larger than the diameters on both sides to prevent the tobacco from leaking out from both sides during the rolling process.

[0057] Specifically, the maximum central diameter of the basic drum screen 10 is 600 mm, the maximum central diameter of the extended drum screen 20 adjacent to the basic drum screen 10 is 800 mm, and the maximum central diameter of the outermost extended drum screen 20 is 1000 mm.

[0058] It should be noted that if the central diameter of the basic drum screen 10 or the extended drum screen 20 is less than or equal to the diameters on both sides, when the tobacco shreds roll in the basic drum screen 10 or the extended drum screen 20, the tobacco shreds are easy to leak out from both sides of the basic drum screen 10 or the extended drum screen 20. Therefore, the central diameter of the basic drum screen 10 or the extended drum screen 20 is selected to be larger than the diameters on both sides.

[0059] Specifically, along the axial direction, the length of the basic drum screen 10 is 1600 mm, the length of the extended drum screen 20 adjacent to the basic drum screen 10 is 1300 mm, and the length of the outermost extended drum screen 20 is 1000 mm.

[0060] Specifically, the basic drum screen 10 includes a first screen having first sieve holes formed thereon, and the extended drum screen 20 includes a second screen having second sieve holes formed thereon. Along the axial direction, the length of the first screen is 800 mm, the length of the second screen adjacent to the first screen is 800 mm, and the length of the outermost second screen is 900 mm.

[0061] In one embodiment, Figure 2As shown, the basic drum screen 10 is provided with a first discharge door 13, which is arranged near the bottom of the basic drum screen 10; the extended drum screen 20 is provided with a second discharge door 22, which is arranged near the bottom of the extended drum screen 20. The first discharge door 13 is provided so that the shredded tobacco can be taken out of the basic drum screen 10 after screening; the second discharge door 22 is provided so that the shredded tobacco can be taken out of the extended drum screen 20 after screening.

[0062] Specifically, the first discharge door 13 and the second discharge door 22 are opened or closed by buckles.

[0063] In another embodiment, the first discharge door 13 may be provided only on the basic drum screen 10 .

[0064] In yet another embodiment, the second discharge door 22 may be provided only on the expansion drum screen 20 .

[0065] The tobacco structure measuring device of this embodiment includes the following steps:

[0066] First, the sensor 32 is raised by the hydraulic rod 31 and the basic drum screen 10 is completely lifted up, the initial weight of the basic drum screen 10 is recorded, and the weight data is transmitted to the data monitoring component, and then the hydraulic rod 31 is lowered to the initial position; the sensor 32 is raised by the hydraulic rod 31 and the extended drum screen 20 is completely lifted up, the initial weight of the extended drum screen 20 is recorded, and the weight data is transmitted to the data monitoring component, and then the hydraulic rod 31 is lowered to the initial position;

[0067] Then, add the test tobacco into the basic drum screen 10 through the feed port 12, start the transmission gear 50, and make the basic drum screen 10 and the extended drum screen 20 start to rotate;

[0068] Finally, turn off the transmission gear 50 and repeat the initial steps to measure the weight of the basic drum screen 10 and the extended drum screen 20. The weight of tobacco shreds of different sizes in the basic drum screen 10 and the extended drum screen 20 is calculated by subtraction, and the weight of the broken shreds is measured by weighing the weighing tray 40 to obtain the tobacco structure distribution of the test tobacco.

[0069] Although the embodiments of the present invention are described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by the appended claims.

Claims

1. A tobacco structure measuring device, characterized in that: include: Frame; A basic drum screen (10) is rotatably arranged on the frame, and a first screen hole is formed on the basic drum screen (10); An extended drum screen (20) is rotatably arranged on the frame, the extended drum screen (20) is sleeved on the outside of the basic drum screen (10), and a second sieve hole is opened on the extended drum screen (20), and the aperture of the second sieve hole is smaller than the aperture of the first sieve hole; A plurality of the expanded drum screens (20) are provided, and the plurality of the expanded drum screens (20) are stacked and nested in sequence from the inside to the outside. In two adjacent expanded drum screens (20), the aperture of the second sieve hole on the outer side is smaller than the aperture of the second sieve hole on the inner side.

2. The tobacco cut structure measuring device according to claim 1, characterized in that: The tobacco structure measuring device further comprises a weight measuring component (30), wherein the weight measuring component (30) is suitable for abutting against the basic drum screen (10) or the extended drum screen (20), and the weight measuring component (30) is suitable for measuring the weight of the basic drum screen (10) or the extended drum screen (20).

3. The tobacco structure measuring device according to claim 2, characterized in that: The weighing assembly (30) comprises a hydraulic rod (31), a sensor (32) and a base (33); one end of the hydraulic rod (31) is arranged on the base (33); the other end of the hydraulic rod (31) is connected to the sensor (32); and the sensor (32) is suitable for abutting against the basic drum screen (10) or the extended drum screen (20).

4. The tobacco cut structure measuring device according to claim 3, characterized in that: The tobacco cut structure measuring device further comprises a weighing tray (40), and the weighing tray (40) is arranged below the outermost expanded drum screen (20).

5. The tobacco cut structure measuring device according to claim 4, characterized in that: The tobacco cut structure measuring device further comprises a data monitoring component, wherein the data monitoring component is electrically connected to the sensor (32), and the data monitoring component is electrically connected to the weighing tray (40).

6. The tobacco cut structure measuring device according to any one of claims 1 to 5, characterized in that: The tobacco structure measuring device further comprises a transmission gear (50), wherein a plurality of the transmission gears (50) are provided, a first gear ring (11) is provided on the outer wall of the basic drum screen (10), and a second gear ring (21) is provided on the outer wall of the expanded drum screen (20), and the transmission gear (50) is transmission-connected to the first gear ring (11) or the second gear ring (21).

7. The tobacco cut structure measuring device according to any one of claims 1 to 5, characterized in that: The basic drum screen (10) is provided with a feed inlet (12), and the feed inlet (12) is arranged on the side of the basic drum screen (10).

8. The tobacco cut structure measuring device according to any one of claims 1 to 5, characterized in that: The tobacco structure measuring device further comprises a lifting roller (60); the lifting roller (60) is arranged on the inner wall of the basic drum screen (10); and / or the lifting roller (60) is arranged on the inner wall of the expanded drum screen (20).

9. The tobacco cut structure measuring device according to any one of claims 1 to 5, characterized in that: The central diameter of the basic drum screen (10) is larger than the diameters on both sides of the basic drum screen (10); and / or the central diameter of the extended drum screen (20) is larger than the diameters on both sides of the basic drum screen (10).

10. The tobacco cut structure measuring device according to any one of claims 1 to 5, characterized in that: The basic drum screen (10) is provided with a first discharge door (13), and the first discharge door (13) is arranged close to the bottom of the basic drum screen (10); and / or the extended drum screen (20) is provided with a second discharge door (22), and the second discharge door (22) is arranged close to the bottom of the extended drum screen (20).