CN216209880U

CN216209880U - Tobacco box bar-missing online detection equipment based on terahertz waves

Info

Publication number: CN216209880U
Application number: CN202122577540.4U
Authority: CN
Inventors: 杨树青; 阚晖; 李佳田
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-04-05
Anticipated expiration: 2031-10-26

Abstract

The utility model relates to a terahertz wave-based online detection device for the strip lack of a cigarette box, which comprises a terahertz wave imaging device and a conveying belt for conveying the cigarette box, wherein the terahertz wave imaging device is arranged in a detection area of the conveying belt and comprises a left detection module and a right detection module which are positioned at two sides of the cigarette box; the left detection module and the right detection module respectively comprise a terahertz wave emitting surface and a terahertz wave receiving surface, and the terahertz wave emitting surface is used for emitting terahertz waves to the smoke box; the terahertz wave receiving surface is used for receiving terahertz reflected waves reflected by the tobacco rod in the smoke box; the online detection device comprises an information processing module. The beneficial effects are as follows: continuous terahertz waves emitted by a terahertz wave generator are used as a light source, cigarettes in the cigarette box are directly detected and imaged, signals are strong, and the obtained two-dimensional image is more intuitive and can be used for rapidly, nondestructively, online and real-time detecting the problems of strip missing and the like.

Description

Tobacco box bar-missing online detection equipment based on terahertz waves

Technical Field

The utility model relates to the field of cigarette quality detection, in particular to online detection equipment for cigarette box strip missing based on terahertz waves.

Background

50 cigarettes are contained in one finished cigarette case, the cigarettes are generally packaged by an automatic case sealer, the cigarettes are divided into two rows in the cigarette case, the number of the cigarettes in each row is 25, the number of the cigarettes in each row is 50, and the cigarettes in each row are not contained in 1 or more finished cigarette cases, so that the cigarette case is lack of the cigarettes, and the cigarette case lack of the cigarettes is a serious product quality problem; the quality defect of lacking strips in the cigarette box is the type A quality defect (the most serious defect) of the cigarette factory, and the high importance is paid to each cigarette factory, and the dynamic weighing mode is generally adopted for detection at present. However, the weighing detection device is affected by 10000 accumulated deviations caused by the upper and lower limit deviations of the gram weight during the production of single cigarettes and the deviation of the cigarette box paper, and more importantly, 80% of the existing cigarette boxes are recovered cigarette boxes, the difference of the gram weight deviation of the recovered cigarette boxes causes frequent weighing problems, and the conditions of missing detection and false detection occur, so the detection device has inherent defects. Some manufacturers in the market provide X-ray detection devices and eddy current induction type bar-lacking detectors, but the X-ray detection devices have serious harm to human bodies due to ionizing radiation, and are not fully recognized; the eddy current induction type strip-lacking detector judges whether the strip is lacking in the box by detecting whether the aluminum paper in the strip cigarette in the cigarette box exists or not, but the problem that the detection distance and the detection resolution ratio are contradictory to each other exists due to the eddy current detection principle, so that the detection accuracy in the actual strip-lacking detection is not high enough.

Therefore, the online detection equipment for the tobacco box strip loss based on the terahertz wave is simple in structure, high in accuracy and high in detection efficiency and is based on the terahertz technology, and the online detection equipment is the innovation of the utility model.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides the online detection equipment for the tobacco box strip loss based on the terahertz wave, which is simple in structure, high in accuracy and high in detection efficiency and is based on the terahertz technology.

The utility model provides a terahertz wave-based online detection device for the tobacco box strip shortage, which adopts the technical scheme that:

a terahertz wave-based online detection device for the strip lack of a cigarette box comprises a terahertz wave imaging device and a conveying belt for conveying the cigarette box, wherein the terahertz wave imaging device is arranged in a detection area of the conveying belt and comprises a left detection module and a right detection module which are positioned on two sides of the cigarette box; the left detection module and the right detection module respectively comprise a terahertz wave emitting surface and a terahertz wave receiving surface, and the terahertz wave emitting surface is used for emitting terahertz waves to the smoke box; the terahertz wave receiving surface is used for receiving terahertz reflected waves reflected by the tobacco rod in the smoke box; the online detection device comprises an information processing module, and the information processing module processes the terahertz waves to form a detection image.

Further, the left detection module and the right detection module respectively comprise five terahertz wave emitting surfaces and five terahertz wave receiving surfaces.

Furthermore, the left detection module comprises a left human-computer interface, and the left human-computer interface displays a detection result; the right detection module comprises a right human-computer interface, and the right human-computer interface displays a detection result.

Further, the terahertz wave imaging device comprises an audible and visual alarm device.

Further, the information processing module can be connected with the rejecting device through a network.

Further, the terahertz wave imaging apparatus further includes a terahertz wave generator.

Further, the terahertz wave imaging device is in an inverted U shape and spans the conveyor belt.

The implementation of the utility model comprises the following technical effects:

according to the online detection device for the tobacco box strip lack based on the terahertz waves, when the tobacco box is conveyed to a detection area, continuous terahertz waves emitted by a terahertz wave generator are used as light sources, and the online detection device has the characteristics of high output power, stability in operation, simple and compact structure, low cost and the like, 25 strips of tobacco on the left column and the right column of the tobacco box can be detected respectively, and the online detection device has the natural advantage for detecting the strip lack of the tobacco box; the strip cigarette of direct in to the smoke box is surveyed and is formed images, and the signal is strong and the two-dimensional image that obtains, and is more directly perceived, realizes the high-speed detection to the smoke box. The online detection equipment for the tobacco box strip shortage based on the terahertz waves can quickly, nondestructively and online detect the strip shortage and other problems in real time. The terahertz wave is used for detection, the imaging precision is high, no ionizing radiation exists, the human body is safe, a good human-computer interface is realized, and the operation is simple and visual.

The online detection equipment for the tobacco box strip lack based on the terahertz waves has the advantages of simple structure, high measurement efficiency, sensitive and reliable detection result, convenience in popularization and application, and is very convenient to install and maintain; the field workers can timely and accurately know whether the cigarette box is short of strips, so that the stable operation of the whole cigarette equipment is ensured, and the working efficiency of the whole cigarette equipment is improved.

Drawings

Fig. 1 is a schematic perspective structure view of a terahertz wave-based online detection device for detecting the rod missing of a cigarette box according to an embodiment of the utility model.

Fig. 2 is a schematic perspective structure view of a terahertz wave-based online detection device for detecting the rod missing of a cigarette box according to an embodiment of the utility model.

Fig. 3 is a schematic perspective view of a terahertz wave imaging device.

Fig. 4 is a schematic of the imaging without missing bars.

Figure 5 is a schematic image of a cigarette lacking three strips.

In the figure: 1. a terahertz wave imaging device; 10. a terahertz wave emitting surface; 11. a terahertz wave receiving surface; 12. a left human-machine interface; 13. a right human-machine interface; 14. a terahertz wave incident reflection schematic arrow; 2. a conveyor belt; 3. a smoke box; 4. and (6) tobacco carton.

Detailed Description

The present invention will be described in detail below with reference to embodiments and drawings, it being noted that the described embodiments are only intended to facilitate the understanding of the present invention, and do not limit it in any way.

Referring to fig. 1 to 3, the online detection device for detecting the missing cigarette in a cigarette box based on terahertz waves provided by the present embodiment includes a terahertz wave imaging device 1 and a conveyor belt 2 for conveying the cigarette box 3, the terahertz wave imaging device 1 is disposed in a detection area of the conveyor belt 2, the terahertz wave imaging device 1 includes a left detection module and a right detection module, and the left detection module and the right detection module are located at two sides of the cigarette box 3; the left detection module and the right detection module respectively comprise a terahertz wave emitting surface 10 and a terahertz wave receiving surface 11, and the terahertz wave emitting surface 10 is used for emitting terahertz waves to the smoke box 3; the terahertz wave receiving surface 11 is used for receiving terahertz reflected waves reflected by the tobacco rods in the smoke box 3; the online detection device comprises an information processing module, and the information processing module processes the terahertz waves to form a detection image. As a preferred structure, the terahertz wave imaging device 1 is in an inverted U shape, and straddles over a conveyor belt. 50 cigarettes 4 are contained in a box of finished cigarette boxes 3, the cigarettes 4 are generally packaged by an automatic carton sealing machine, the cigarettes 4 are divided into two rows left and right in the cigarette boxes 3, and each row of 25 finished

cigarettes

4 and 2 comprises 50 finished cigarettes 4; the left detection module and the right detection module respectively detect 25 finished cigarettes 4 in each row. The left detection module and the right detection module respectively comprise five terahertz wave emitting surfaces 10 and five terahertz wave receiving surfaces 11, and 5 cigarettes 4 in each row are respectively detected. The left detection module comprises a left human-computer interface 12, and the left human-computer interface 12 displays a detection result; the right detection module comprises a right human-computer interface 13, and the right human-computer interface 13 displays a detection result. The terahertz wave imaging device 1 comprises an audible and visual alarm device for reminding a worker to process. The information processing module can also be connected with a rejecting device through a network, if the cigarette box 3 without the cigarette is provided, the information processing module stores the image of the cigarette box 3 without the cigarette, and sends a rejecting signal to the rejecting device, and the rejecting device rejects the corresponding cigarette box 3. The terahertz-wave imaging device 1 further includes a terahertz-wave generator, which is purchased from the market and is not described in detail. The terahertz-wave incident reflection schematic arrow 14 in fig. 2 and 3 is taken as an example, and does not indicate the number of settings; fig. 4 is a schematic diagram of strip-absent imaging, and fig. 5 is a schematic diagram of imaging of a cigarette 4 lacking three strips.

According to the online detection device for the tobacco box strip lack based on the terahertz waves, when the tobacco box 3 is conveyed to a detection area, continuous terahertz waves emitted by a terahertz wave generator are used as light sources, and the online detection device has the characteristics of high output power, stability in operation, simple and compact structure, low cost and the like, 25 strips of tobacco 4 in the left row and the right row of the tobacco box 3 can be detected, and the online detection device has the natural advantage when used for detecting the strip lack of the tobacco box 3; the strip cigarette 4 of direct in to smoke box 3 is surveyed and is formed images, and the signal is strong and the two-dimensional image that obtains, and is more directly perceived, realizes the high-speed detection to smoke box 3. The online detection equipment for the tobacco box 3 strip lack based on the terahertz wave can quickly, nondestructively and online detect the problems of strip lack and the like in real time. The terahertz wave is used for detection, the imaging precision is high, no ionizing radiation exists, the human body is safe, a good human-computer interface is realized, and the operation is simple and visual.

The online detection equipment for the tobacco box strip lack based on the terahertz waves has the advantages of simple structure, high measurement efficiency, sensitive and reliable detection result, convenience in popularization and application, and is very convenient to install and maintain; the field workers can timely and accurately know whether the cigarette box 3 is short of strips, so that the stable operation of the whole cigarette equipment is ensured, and the working efficiency of the whole cigarette equipment is improved.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a smoke box lacks strip on-line measuring equipment based on terahertz wave which characterized in that: the terahertz wave imaging device is arranged in a detection area of the conveying belt and comprises a left detection module and a right detection module, and the left detection module and the right detection module are positioned on two sides of the smoke box; the left detection module and the right detection module respectively comprise a terahertz wave emitting surface and a terahertz wave receiving surface, and the terahertz wave emitting surface is used for emitting terahertz waves to the smoke box; the terahertz wave receiving surface is used for receiving terahertz reflected waves reflected by the tobacco rod in the smoke box;

the online detection device comprises an information processing module, and the information processing module processes the terahertz waves to form a detection image.

2. The online detection device for the tobacco box rod loss based on the terahertz waves as claimed in claim 1, wherein: the left detection module and the right detection module respectively comprise five terahertz wave emitting surfaces and five terahertz wave receiving surfaces.

3. The online detection device for the tobacco box rod loss based on the terahertz waves as claimed in claim 1, wherein: the left detection module comprises a left human-computer interface, and the left human-computer interface displays a detection result; the right detection module comprises a right human-computer interface, and the right human-computer interface displays a detection result.

4. The online detection device for the tobacco box rod loss based on the terahertz waves as claimed in claim 1, wherein: the terahertz wave imaging device comprises an acousto-optic alarm device.

5. The online detection device for the tobacco box rod loss based on the terahertz waves as claimed in claim 1, wherein: the information processing module can also be connected with the rejecting device through a network.

6. The online detection device for the tobacco box rod loss based on the terahertz waves as claimed in claim 1, wherein: the terahertz wave imaging device further comprises a terahertz wave generator.

7. The online detection device for the tobacco carton bar missing based on the terahertz waves as claimed in any one of claims 1 to 6, wherein: the terahertz wave imaging device is in an inverted U shape and spans the conveying belt.