Foreign matter removing device for online intelligent detection of tobacco lamina

By integrating lateral air pressure, tobacco leaf conveying, and detection and rejection devices, and combining them with AI technology, online intelligent detection and foreign object removal of tobacco leaves have been achieved, solving the problem of low efficiency in manual leaf selection and improving tobacco leaf quality and detection stability.

CN223465147UActive Publication Date: 2025-10-24YUNNAN AILUOTE TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422857935.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-22
Publication Date
2025-10-24
Estimated Expiration
2034-11-22

AI Technical Summary

Technical Problem

The efficiency of manual leaf selection/pre-treatment in existing technologies is low, resulting in high impurity content in the tobacco leaves. It is impossible to effectively identify and remove foreign matter, which affects the quality of tobacco leaves.

Method used

The system adopts an integrated design of a transverse air pressure device, a tobacco conveying device, a detection and rejection device, a human-machine interface, a qualified material channel and a foreign material hopper. Combined with a detection camera, a detection light source, an AI edge computing box and a rejection air bag, it realizes online intelligent detection of tobacco flakes and rejection of foreign objects.

Benefits of technology

It improves the identification of impurities, reduces the impurity content of finished tobacco leaves, enhances the quality of tobacco leaves, has a simple structure, is easy to maintain, saves costs, and reduces the impact of background pollution on detection.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223465147U_ABST
Patent Text Reader

Abstract

The utility model discloses an online intelligent detection and foreign matter removal device for tobacco lamina, which comprises a transverse air pressing device mounted above a driving roller of a tobacco lamina conveying device. The tobacco lamina conveying device comprises a driving roller and a gear motor, one end of the driving roller is connected with the gear motor, the other end of the driving roller is provided with a first synchronous belt wheel, the first synchronous belt wheel and a second synchronous belt wheel are connected through a synchronous belt, a tensioning wheel is installed on the synchronous belt, a driven roller and the driving roller are connected through an annular conveying belt, and one side of the conveying device is welded. The other side is suspended; the detection and rejection device is installed at the tail end of the upper portion of the conveying belt and integrates a detection camera, a detection light source, a light source power source, an AI edge calculation box, a rejection air bag, an industrial personal computer and a cold-heat exchanger. A qualified material channel and a sundry hopper are arranged below the detecting and removing device; the industrial personal computer, the detection and rejection device and the human-computer interaction interface are electrically connected with one another.
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Description

TECHNICAL FIELD

[0001] The utility model relates to tobacco processing machinery technical field especially is related to a kind of for piece tobacco online intelligent detection foreign matter rejection device. BACKGROUND

[0002] At present, the control of tobacco foreign matter in the field of threshing and redrying has been paid much attention to at home and abroad, and with the increasing attention of domestic redrying enterprises to piece tobacco impurity removal, new requirements for the piece of leaf produced by artificial leaf selection / preprocessing section have been proposed. Artificial impurity removal is low in efficiency and poor in effect, and under the condition of no supervision, a large amount of impurities are mixed into qualified tobacco leaves. UTILIT Y MODEL CONTENT

[0003] The utility model overcomes the shortcomings in the prior art, provides a kind of for piece tobacco online intelligent detection foreign matter rejection device, concentrates the piece tobacco of artificial leaf selection section and can accurately identify a variety of impurities, improves the effect of impurity identification, which plays a good effect on reducing the impurity content of finished product and improving the quality of piece tobacco.

[0004] To solve the above technical problems, the utility model is realized by the following technical scheme: a kind of for piece tobacco online intelligent detection foreign matter rejection device, including horizontal pressure device, feed hopper, piece tobacco conveying device, detection and rejection device, man-machine interface, qualified material passageway, impurity hopper, dust receiving hopper;

[0005] The horizontal wind pressure device is installed above the driving roller of the piece tobacco conveying device;

[0006] The piece tobacco conveying device includes a driving roller and a speed reducer, the driving roller is connected to the speed reducer at one end, and a No.1 synchronous pulley is installed at the other end. The No.1 synchronous pulley and a No.2 synchronous pulley are connected by a synchronous belt, and a tension pulley is installed on the synchronous belt. A passive roller and a driving roller are connected by an annular conveying belt, and the conveying device is welded on one side and suspended on the other side.

[0007] The detection and rejection device is installed at the end of the conveying belt, and the detection and rejection device integrates a detection camera, a detection light source, a light source power supply, an AI edge calculation box, a rejection air bag, an industrial computer and a cold and heat exchanger.

[0008] The qualified material passageway and the impurity hopper are arranged below the detection and rejection device.

[0009] The industrial computer, the detection and rejection device and the man-machine interface are electrically connected to each other.

[0010] Compared with the prior art, the utility model has the following advantages:

[0011] (1) The utility model discloses a set horizontal wind pressure device 1, piece tobacco conveying device 3, detection and elimination device 5, sundry hopper 6, qualified material passageway 7, dust receiving hopper 9 in an organic whole, by same whole machine support fixing frame 8 support fixed, whole machine installation simple, fast.

[0012] (2) The utility model discloses an elimination device horizontal wind pressure device 1, and horizontal fan is small, and the space is small, and the uniformity of air outlet, wind pressure stability, simple structure, convenient maintenance, low noise, improve piece tobacco conveying line's stability and effectively improve the field working environment.

[0013] (3) The utility model discloses piece tobacco conveying device 3 one side fixed, the other side is in the air, and the suspended end is equipped with two pieces of the support device 22 of quick adjustment and disassembly, and piece tobacco conveying device 3 maintenance simple, fast.

[0014] (4) The utility model discloses the detection that has adopted no background, avoided the detection effect caused by background pollution change, made detection more stable, reduced maintenance.

[0015] (5) The utility model discloses single surface detection, saves the expense.

[0016] (6) The utility model discloses the latest computer technology, photoelectric technology, digital image processing technology, artificial intelligence technology.

[0017] (7) The utility model discloses that qualified material passageway 7 and sundry hopper 6 between are equipped with electric roller 34, avoid the mixing of different batches piece tobacco caused by material storage in the passageway. DRAWINGS

[0018] Figure 1 It is the three-dimensional schematic diagram of the utility model;

[0019] Figure 2 It is the main view schematic diagram of the utility model;

[0020] Figure 3 It is Figure 2 The top view schematic diagram;

[0021] Figure 4 It is Figure 2 The left view schematic diagram;

[0022] Figure 5 It is the schematic diagram of horizontal wind pressure device;

[0023] Figure 6 It is the partial schematic diagram after detection and elimination device;

[0024] Figure 7 It is the internal structure partial schematic diagram;

[0025] Figure 8 It is the elimination air pocket schematic diagram;

[0026] In the figure: 1 - transverse air pressure device, 2 - feeding hopper, 3 - cut tobacco conveying device, 4 - man-machine interface, 5 - detection and rejection device, 6 - sundry material hopper, 7 - qualified material channel, 8 - whole machine support fixing frame, 9 - dust receiving hopper, 10 - mounting seat, 11 - transverse fan, 12 - safety guard, 13 - driving roller, 14 - speed reducer motor, 15 - 1# synchronous wheel, 16 - adjustable tensioning wheel, 17 - synchronous belt, 18 - 2# synchronous wheel, 19 - cleaning brush roller, 20 - tensioning adjusting mechanism, 21 - cover plate, 22 - adjustable support device, 23 - baffle plate, 24 - ring-shaped conveying belt, 25 - fixed adjusting device, 26 - deviation adjusting mechanism, 27 - driven roller, 28 - detection camera, 29 - scanning line area, 30 - detection light source, 31 - rejection air bag, 32 - compressed air, 33 - cut tobacco, 34 - electric roller, 35 - partition plate. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] Figure 1 The cut tobacco online intelligent detection foreign matter rejection device shown comprises a transverse air pressure device 1, a feeding hopper 2, a cut tobacco conveying device 3, a man-machine interface 4, a detection and rejection device 5, a sundry material hopper 6, a qualified material channel 7, and a whole machine support fixing frame 8.

[0029] The transverse air pressure device 1 is arranged at the feeding end, and comprises a transverse fan 11, a whole machine support fixing frame 10, and a safety guard 12. The transverse fan 11 is installed on the whole machine support fixing frame 10, and the safety guard 12 is arranged outside. The width of the air outlet of the transverse fan 11 is consistent with the width of the ring-shaped conveying belt 24, and the air outlet direction of the transverse fan 11 is the same as the feeding direction of the ring-shaped conveying belt 24.

[0030] The wind generated by the transverse fan 11 is consistent with the conveying width of the cut tobacco conveying system 3, so that the wind pressure on the cut tobacco conveying surface is uniform. The cut tobacco falls on the cut tobacco conveying belt 24 from the feeding hopper 2, and the wind generated by the transverse air pressure device 1 presses the cut tobacco on the conveying belt, so that the cut tobacco does not roll over or drift. The speed of the cut tobacco is stable, which is beneficial to the detection and rejection of the cut tobacco.

[0031] The strip tobacco conveying device 3 comprises a driving roller 13, a speed reducer motor 14, and an annular conveying belt 24. One end of the driving roller 13 is connected to the speed reducer motor 14, and the other end is provided with a No. 1 synchronous pulley 15. The No. 1 synchronous pulley 15 and a No. 2 synchronous pulley 18 are connected by a synchronous belt 17. A tension pulley 16 is installed on the synchronous belt 17. The driving roller 13 and the passive roller 27 are connected by an annular conveying belt 24. The driving roller 13 is provided with a No. 1 tension and deviation adjusting mechanism 20. The No. 1 tension and deviation adjusting mechanism 20 is used to tension the annular conveying belt 24 and adjust the transverse position of the annular conveying belt 24 on the driving roller 13. The passive roller 27 is provided with a No. 2 tension and deviation adjusting mechanism 26. One side of the strip tobacco conveying device 3 is welded to the whole machine support fixed seat 8, and the other side is suspended. Two adjustable support devices 22 are installed on the suspended side for support.

[0032] The driving roller 13 and the passive roller 27 are provided with conveying belt tension and deviation adjusting mechanisms. The tension and deviation adjusting mechanisms 20 and 26 can make the conveying belt run smoothly, which is beneficial to the detection of the strip tobacco. The strip tobacco conveying device 3 is a closed channel except the inlet and outlet. When conveying the strip tobacco, dust and strip tobacco will not run out of the channel to pollute the surrounding environment. The structure of the suspended side of the strip tobacco conveying device 3 makes the later maintenance simple and fast.

[0033] The detection and rejection device 5 is installed at the end above the annular conveying belt 24. The detection and rejection device integrates a detection camera 28, a detection light source 30, an AI edge computing box, a rejection air bag 31, an industrial computer, and a cold and heat exchanger.

[0034] The flake tobacco conveying device 3 throws out the flake tobacco 33 away from the conveying device 3, the detection camera 28 scans the flake tobacco 33 when the flake tobacco 33 passes through the scanning line area 29 of the detection camera 28, the real-time picture generated by the scanning is operated inside the AI edge calculation box, when non-tobacco sundries are detected, the instruction is transmitted to the rejection device, the electromagnetic valve corresponding to the sundry coordinates is opened to blow out the compressed air 32, the sundry is blown off from the flake tobacco, the detection area is illuminated by two LED light sources 30, the detection system adopts the latest computer technology, photoelectric technology, digital image processing technology and artificial intelligence technology, when the system judges that the flake tobacco 32 contains sundries (such as animal hair, hemp rope, paper scraps, plastic and rubber), the computer sends an instruction to the rejection system, the electromagnetic valve corresponding to the sundry running track is opened to blow out the compressed air, the compressed air rejects the sundry from the material to the sundry hopper 6, there is a partition plate 35 between the sundry rejection area and the scanning area, so that the rejected sundry will not fall into the scanning area and affect the detection, the qualified material falls into the qualified material channel 7 under the inertia of the conveying belt, a continuously rotating electric roller 34 is installed between the qualified material channel 7 and the sundry hopper 6, so that the flake tobacco will not remain in the channel, the detection cancels the background light source below the scanning line area 29, adopts a natural background, avoids the influence of the detection effect caused by the change of background pollution, reduces maintenance and ensures the stability of the detection.

[0035] The detection camera 28 is vertically downward, the detection light source 30 is a long strip, is arranged directly above the discharge of the ring conveying belt 24 and is arranged in a staggered manner with the ring conveying belt 24, the AI edge calculation box is a commercially available product integrated in the sundry detection and rejection device 5, and the rejection air bag 31 is located on one side of the scanning line area 29.

[0036] The detection light source 30 is provided with two detection light sources 30, the two detection light sources 30 are close to each other at an angle, and the detection light source 30 is arranged on the fixed plate of the sundry detection and rejection device 5 through a fixed adjusting block.

[0037] The above only describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A device for online intelligent detection of foreign matter rejection of cut tobacco, characterized in that It comprises a transverse air pressure device (1), a feeding hopper (2), a strip tobacco conveying device (3), a detection and rejection device (5), a man-machine interface (4), a qualified material channel (7), and a sundry material hopper (6). The transverse air pressure device (1) is arranged at the feeding end, and comprises a transverse fan (11), a mounting whole-machine support fixing frame (10), and a protective cover (12). The transverse fan (11) is mounted on the mounting whole-machine support fixing frame (10), and the protective cover (12) is arranged outside. The width of the air outlet of the transverse fan (11) is consistent with the width of the ring-shaped conveying belt (24), and the air outlet direction of the transverse fan (11) is the same as the feeding direction of the ring-shaped conveying belt (24). The strip tobacco conveying device (3) comprises a driving roller (13), a speed reducer motor (14), and a ring-shaped conveying belt (24). One end of the driving roller (13) is connected with the speed reducer motor (14), and the other end is provided with a No. 1 synchronous pulley (15). The No. 1 synchronous pulley (15) and a No. 2 synchronous pulley (18) are connected by a synchronous belt (17), and a tension pulley (16) is arranged on the synchronous belt (17). A passive roller (27) and the driving roller (13) are connected by a ring-shaped conveying belt (24). The driving roller (13) is provided with a No. 1 tension and run-out adjusting mechanism (20). The No. 1 tension and run-out adjusting mechanism (20) is used for tensioning the ring-shaped conveying belt (24) and adjusting the transverse position of the ring-shaped conveying belt (24) on the driving roller (13). The end of the passive roller (27) is provided with a No. 2 tension and run-out adjusting mechanism (26). One side of the strip tobacco conveying device (3) is welded to the whole-machine support fixing seat (8), and the other side is suspended and supported by two adjustable support devices (22) which can be quickly assembled and disassembled. The detection and rejection device (5) is arranged at the end above the ring-shaped conveying belt (24). The detection and rejection device is integrated with a detection camera (28), a detection light source (30), an AI edge calculation box, a rejection air bag (31), an industrial computer, and a cold and heat exchanger. The sundry material hopper (6) is located directly below the rejection air bag (31), and a baffle (35) is arranged between the sundry material hopper (6) and a scanning line area (29). The qualified material channel (7) is located at the end of the ring-shaped conveying belt (24), and a motorized roller (34) is arranged between the qualified material channel (7) and the sundry material hopper (6).

2. The device for online intelligent detection of foreign matters and removal of tobacco strips according to claim 1, characterized in that The motorized roller (34) is arranged between the qualified material channel (7) and the sundry material hopper (6).

3. The apparatus for online intelligent detection and removal of foreign matters of cut tobacco according to claim 1, characterized in that Baffle plates (23) are arranged on both sides of the ring-shaped conveying belt (24) to prevent strip tobacco from running out from the two sides. The baffle plates (23) can adjust the width and depth of the strip tobacco conveying body according to two fixed adjusting devices (25). A cover plate (21) is arranged on the baffle plates (23), and the baffle plates (23) and the cover plate (21) form a closed conveying channel.

4. The apparatus for online intelligent detection and removal of foreign matters of cut tobacco according to claim 1, characterized in that The detection camera (28) is vertically downward, the detection light source (30) is a long strip, is arranged above the discharge of the annular conveying belt (24) and is arranged in a staggered manner with the annular conveying belt (24), the AI edge calculation box is a commercially available product integrated in the foreign matter detection and removal device (5), and the removal air bag (31) is located on one side of the scanning line area (29).

5. The apparatus for online intelligent detection and removal of foreign matters of cut tobacco according to claim 1, characterized in that The detection light source (30) is provided with two, and the two detection light sources (30) are close to each other at an angle, and the detection light source (30) is arranged on the fixing plate of the foreign matter detection and removal device (5) through the fixing adjusting block.

6. The apparatus for online intelligent detection and removal of foreign matters of cut tobacco according to claim 1, characterized in that The bottom of the annular conveying belt (24) is provided with a cleaning brush, and the cleaning brush is provided below with a dust receiving hopper (9).