A near-infrared cigarette joint adhesive application amount on-line detection device
Patent Information
- Application Number
- CN202521513658.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-19
- Publication Date
- 2026-08-21
- Estimated Expiration
- 2035-07-19
AI Technical Summary
而卷烟搭口胶施胶量又对卷烟的外观、物理质量、感官质量等质量指标产生重要影响，同时还影响原材料消耗、设备有效作业率
[0015]本实用新型提供一种近红外卷烟搭口胶施胶量在线检测装置，通过近红外检测探头检测胶液的特征成分；通过近红外检测仪计算分析近红外检测探头传递的探测信息；通过中央控制系统接收近红外检测仪的信号并计算施胶量，还可根据比对施胶量的测定值与设定值结果调节施胶量；通过显示器显示或设置施胶量；采用在线检测方式，不仅提高了卷烟纸搭口胶施胶量的检测效率，同时提高了检测结果的准确度；本实用新型安装便捷、操作简单，维修方便，规避了预估烟支平均施胶量的缺点，大幅提升搭口胶施胶量的检测精准度且不影响正常生产，满足了对搭口胶施胶量进行在线实时检测的需求，便于动态调节卷烟施胶量的大小，对原机组硬件无影响，提高检测效率。
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Figure CN224654689U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of tobacco processing technology, and more specifically, to an online detection device for the amount of near-infrared cigarette adhesive applied. Background Technology
[0002] Cigarette sealant is applied to the overlap of the cigarette paper, with a width of about 1mm. The amount of sealant used is small, and the application area is limited, making detection difficult. However, the amount of sealant applied significantly impacts the appearance, physical quality, and sensory quality of the cigarette, as well as raw material consumption and equipment operating efficiency. However, the detection of cigarette sealant application amount is only based on company standards. This involves adding a marker to the sealant and then measuring the amount of the marker in the cigarette to calculate the sealant application amount. In most cases, cigarette machine operators rely heavily on experience to judge the amount of sealant applied, such as by observing the sealant flow rate, leading to significant discrepancies in the actual application amount.
[0003] Currently, existing methods for detecting adhesive application amount in the industry generally suffer from problems such as offline analysis, complex operation, large errors in detection results, and low detection efficiency. These methods cannot effectively solve the problem of rapid and accurate online measurement of adhesive application amount for joint adhesives, nor can they meet the need for real-time adjustment of this parameter during the production process based on the detection results. Consequently, they also cannot meet the requirements of high efficiency, high precision, and high reliability in industrial production processes.
[0004] Therefore, there is an urgent need for an online detection device for the amount of near-infrared cigarette adhesive applied. Utility Model Content
[0005] The purpose of this invention is to provide an online detection device for the amount of near-infrared cigarette paper adhesive applied, in order to solve the problems in the prior art. It can adopt an online detection method, which not only improves the detection efficiency of the amount of cigarette paper adhesive applied, but also improves the accuracy of the detection results.
[0006] This utility model provides an online detection device for the amount of near-infrared adhesive applied to the cigarette sealing joint, comprising: a near-infrared detection probe, detachably mounted on the adhesive spray nozzle of the cigarette rolling machine, for detecting the characteristic components of the adhesive liquid; the near-infrared detection probe is connected to a near-infrared detector, the near-infrared detector is connected to a central control system, the central control system is connected to the adhesive spray nozzle, and the central control system is also connected to a display and the cigarette rolling machine.
[0007] In the near-infrared cigarette adhesive application online detection device described above, preferably, the near-infrared detection probe is located on the side of the adhesive nozzle after application, and the near-infrared detection probe moves parallel to the adhesive nozzle.
[0008] In the near-infrared cigarette adhesive application online detection device described above, preferably, the near-infrared detection probe is positioned directly opposite the adhesive tape, with a distance of 0.5mm-1.0mm between it and the cigarette paper.
[0009] In the near-infrared cigarette adhesive application online detection device described above, preferably, the near-infrared detection probe is detachably mounted on the adhesive nozzle via a frame.
[0010] In the near-infrared cigarette adhesive application online detection device described above, preferably, the near-infrared detector is installed in an unoccupied position behind the adhesive nozzle, and the near-infrared detector is connected to the near-infrared detection probe via an optical fiber.
[0011] In the near-infrared cigarette adhesive application online detection device described above, preferably, the adhesive nozzle is connected to an adhesive supply device via an adhesive tube.
[0012] In the near-infrared cigarette adhesive application online detection device described above, preferably, the adhesive supply device includes an adhesive cylinder, a gear pump, and a servo motor arranged in sequence, the adhesive nozzle is connected to the gear pump, and the servo motor is connected to the central control system.
[0013] In the near-infrared cigarette adhesive application online detection device described above, preferably, the central control system is built into the control system of the cigarette machine, or is inserted into a reserved socket of the cigarette machine controller in the form of a PLC controller.
[0014] In the near-infrared cigarette adhesive application online detection device described above, preferably, the display is built into the display of the cigarette machine, or the display is installed separately in an empty position behind the adhesive nozzle.
[0015] This invention provides an online detection device for the amount of near-infrared cigarette adhesive applied. It detects the characteristic components of the adhesive solution using a near-infrared detection probe; calculates and analyzes the detection information transmitted by the near-infrared detection probe using a near-infrared detector; receives signals from the near-infrared detector through a central control system and calculates the amount of adhesive applied; it can also adjust the amount of adhesive applied based on a comparison of the measured and set values; and it displays or sets the amount of adhesive applied on a display. This online detection method not only improves the detection efficiency of the amount of adhesive applied to the cigarette paper but also enhances the accuracy of the detection results. This invention is easy to install, operate, and maintain, avoiding the shortcomings of estimating the average amount of adhesive applied to cigarettes. It significantly improves the detection accuracy of the amount of adhesive applied to the cigarette paper without affecting normal production, meeting the need for online real-time detection of the amount of adhesive applied to the cigarette paper. It facilitates dynamic adjustment of the amount of adhesive applied to the cigarette paper, has no impact on the original unit hardware, and improves detection efficiency. Attached Figure Description
[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the utility model will be further described below with reference to the accompanying drawings, wherein:
[0017] Figure 1 This is a structural block diagram of an embodiment of the near-infrared cigarette adhesive application amount online detection device provided by this utility model;
[0018] Figure 2 This is a schematic diagram showing the combination of the near-infrared detection probe and the glue spray nozzle in an embodiment of the online detection device for near-infrared cigarette adhesive application amount provided by this utility model.
[0019] Explanation of reference numerals in the attached diagram: 1-Near-infrared detector, 2-Glue tube, 3-Glue spray nozzle, 4-Near-infrared detection probe, 5-Frame, 6-Central control system, 7-Display, 8-Servo motor, 9-Gear pump, 10-Glue cylinder, 11-Cigarette rolling machine. Detailed Implementation
[0020] Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. The descriptions of the exemplary embodiments are merely illustrative and are in no way intended to limit the present disclosure or its application or use. The present disclosure may be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that the present disclosure will be thorough and complete, and will fully express the scope of the disclosure to those skilled in the art. It should be noted that, unless specifically stated otherwise, the relative arrangement of components and steps, the composition of materials, numerical expressions, and values set forth in these embodiments should be interpreted as exemplary only and not as limiting.
[0021] The terms “first,” “second,” and similar terms used in this disclosure do not indicate any order, quantity, or importance, but are merely used to distinguish different parts. Terms such as “including” or “contains” mean that the element preceding the term encompasses the element listed after it, and do not exclude the possibility of encompassing other elements as well. Terms such as “above” and “below” are used only to indicate relative positional relationships; when the absolute position of the described object changes, this relative positional relationship may also change accordingly.
[0022] In this disclosure, when a specific component is described as being located between a first component and a second component, an intermediary component may or may not be present between the specific component and the first or second component. When a specific component is described as connecting to other components, the specific component may be directly connected to the other components without having an intermediary component, or it may not be directly connected to the other components but may have an intermediary component.
[0023] All terms used in this disclosure (including technical or scientific terms) have the same meaning as understood by one of ordinary skill in the art to which this disclosure pertains, unless otherwise specifically defined. It should also be understood that terms defined in a general dictionary, such as a dictionary, should be interpreted as having a meaning consistent with their meaning in the context of the relevant art, and not as having an idealized or highly formalized meaning, unless expressly defined herein.
[0024] Techniques, methods, and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, they should be considered part of the specification.
[0025] Currently, the tobacco industry primarily uses the following mechanisms to detect the amount of adhesive applied to the cigarette sealing area: simulating the machine's operation by applying adhesive and weighing it directly, then calculating the amount of adhesive applied based on the cigarette rolling machine's speed; or estimating the amount of adhesive applied based on cigarette production volume and adhesive usage. Additionally, there are methods to estimate the amount of adhesive applied to the cigarette sealing area by accurately weighing the dried coated and uncoated cigarette paper and the solid content of the adhesive. Some studies have also proposed methods to calculate the amount of adhesive applied by measuring the width of the adhesive residue at the sealing area and by measuring the moisture content at the adhesive application point using a near-infrared probe. Another method involves adding a marker to the sealing area, rolling cigarettes with the marker-containing sealing area, and then estimating the amount of the marker in the cigarette paper by detecting the amount of the marker in the cigarette.
[0026] After practical verification and in-depth analysis, the aforementioned methods have at least the following problems: (1) The amount of adhesive applied to the cigarette liner is estimated by the cigarette rolling speed and the amount of adhesive applied (weighing method). Since the amount of adhesive applied is the average amount applied over a period of time, it is impossible to measure the amount of adhesive applied at a certain instant online; (2) The amount of adhesive applied to the cigarette liner is estimated by accurately weighing the dried coated cigarette paper, uncoated cigarette paper and the solid content of the adhesive (drying method). Since the basis weight of the cigarette paper and the solid content of the adhesive fluctuate and are not constant values, it is difficult to accurately measure the amount of adhesive applied to the liner. It can only roughly measure the average amount of adhesive applied to the liner of a certain length of cigarette paper. In addition, drying and other operations are required in the sample preparation process, which is relatively complicated. Complex, time-consuming, and inefficient; (3) Calculating the amount of adhesive applied by measuring the width of the adhesive mark on the lip glue, the actual thickness of the adhesive coating cannot be known due to wetting and other effects, and it cannot be accurately measured due to the influence of the uniformity of the adhesive coating; (4) Calculating the amount of adhesive applied by detecting the moisture content of the adhesive coating area with an infrared probe, the solid content of the adhesive also has problems such as fluctuations, and it cannot be accurately measured; (5) By adding a marker to the lip glue, and then rolling a cigarette with the lip glue containing the marker, the amount of adhesive applied to the cigarette lip glue is estimated by detecting the amount of the marker in the cigarette paper (marker measurement method). This method is complicated and has a long detection cycle, and is only suitable for equipment inspection, instrument calibration and test detection. In view of this, this utility model provides a near-infrared cigarette lip glue application amount online detection device that is easy to operate, online in real time, and accurate and fast.
[0027] like Figure 1 and Figure 2 As shown, the near-infrared cigarette adhesive application amount online detection device provided in this embodiment includes: a near-infrared detection probe 4, which is detachably installed on the adhesive spray nozzle 3 of the cigarette machine unit, for detecting the characteristic components of the adhesive liquid; the near-infrared detection probe 4 is connected to a near-infrared detector 1; the near-infrared detector 1 is connected to a central control system 6; the central control system 6 is connected to the adhesive spray nozzle 3; and the central control system 6 is also connected to a display 7 and a cigarette machine 11.
[0028] The near-infrared detector 1 is used to calculate and analyze the detection signal of the adhesive characteristic substance transmitted by the near-infrared detection probe 4. The central control system 6 is used to receive the detection signal from the near-infrared detector 1 and the speed signal from the cigarette rolling machine 11, and through signal processing and calculation, convert the received signals into the amount of adhesive applied to a single cigarette, which is then displayed in real time on the display 7. It should be noted that the signal analysis process of the near-infrared detector 1 and the signal processing and calculation process of the central control system 6 are all based on existing technologies. The purpose of this utility model is to provide hardware-level improvement methods.
[0029] The wavelength range of the detection spectrum of the near-infrared detector 1 is (1332~1639) nm and (2000~2355) nm. The acquisition frequency of the near-infrared detection probe 4 is once per second. In specific implementation, the QUANT program of OPUS software can be used to perform chemometric calculations on the correlation between near-infrared spectrum and adhesive application amount, thereby establishing a partial least squares correction model (PLS model). The PLS correction model obtained after eliminating constant offset processing of the spectrum is used as the detection model. The average adhesive application amount of a specific cigarette paper length (e.g., the length of a single cigarette paper) is used as the detection result. The model is continuously optimized through self-learning software to improve the accuracy of the detection results.
[0030] In one embodiment of this utility model, the amount of adhesive applied to a single cigarette during the testing period can be obtained by determining the average amount of adhesive applied for a specific length of cigarette paper (e.g., the length of cigarette paper for a single cigarette) and combining this with the collected data such as the production speed of the cigarette rolling machine (cigarette machine speed). For example, the amount of adhesive applied to the cigarette paper edge is calculated according to the formula G = 60S / N, where G is the amount of adhesive applied to the cigarette paper edge, in mg / cigarette; S is the average amount of adhesive applied for a specific length of cigarette paper (e.g., the length of cigarette paper for a single cigarette), in mg / s; N is the cigarette rolling machine speed, in cigarettes / min; and 60 is a unit conversion constant.
[0031] Furthermore, the near-infrared detection probe 4 is located on one side of the adhesive nozzle 3 after adhesive application, and the near-infrared detection probe 4 moves parallel to the adhesive nozzle 3. The near-infrared detection probe 4 faces the adhesive tape at the joint, and the distance between it and the cigarette paper is 0.5mm-1.0mm. The near-infrared detection probe 4 is detachably mounted on the adhesive nozzle 3 via the frame 5.
[0032] Furthermore, the near-infrared detector 1 is installed in an empty position behind the glue nozzle 3, and the near-infrared detector 1 is connected to the near-infrared detection probe 4 via an optical fiber.
[0033] Furthermore, the glue nozzle 3 is connected to a glue supply device via a glue tube 2. Specifically, the glue supply device includes a glue cylinder 10, a gear pump 9, and a servo motor 8 arranged sequentially. The glue nozzle 3 is connected to the gear pump 9, and the servo motor 8 is connected to the central control system 6. Further, in one embodiment of this invention, the glue application amount can be set via a display 7, and the central control system 6 drives the gear pump 9 to achieve quantitative glue supply based on a comparison between the real-time detected glue application amount and the set value.
[0034] Furthermore, the central control system 6 is built into the control system of the cigarette machine 11, or it is plugged into the reserved socket of the cigarette machine controller in the form of a PLC controller.
[0035] Furthermore, the display 7 is built into the display of the cigarette machine 11, or the display 7 is installed separately in an empty position behind the glue nozzle 3, for displaying the instantaneous glue application amount.
[0036] During operation, the average amount of adhesive applied over a certain period of time is detected by the near-infrared detection probe 4; the detection information transmitted by the near-infrared detection probe is calculated and analyzed by the near-infrared detector 1; the signal from the near-infrared detector 1 is received by the central control system 6 and the amount of adhesive applied is calculated; the amount of adhesive applied can also be adjusted according to the comparison between the measured value and the set value; and the amount of adhesive applied is displayed or set by the display 7.
[0037] The near-infrared cigarette adhesive application online detection device provided in this embodiment detects the characteristic components of the adhesive liquid through a near-infrared detection probe; it calculates and analyzes the detection information transmitted by the near-infrared detection probe through a near-infrared detector; it receives the signal from the near-infrared detector through a central control system and calculates the application amount, and can also adjust the application amount based on the comparison between the measured value and the set value; the application amount is displayed or set through a display. The online detection method not only improves the detection efficiency of cigarette paper adhesive application amount but also improves the accuracy of the detection results. This invention is easy to install, operate, and maintain, avoiding the shortcomings of estimating the average adhesive application amount of cigarettes, significantly improving the detection accuracy of adhesive application amount without affecting normal production, meeting the need for online real-time detection of adhesive application amount, facilitating dynamic adjustment of cigarette adhesive application amount, having no impact on the original unit hardware, and improving detection efficiency.
[0038] The embodiments of this disclosure have now been described in detail. To avoid obscuring the concept of this disclosure, some details known in the art have not been described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein based on the above description.
[0039] While specific embodiments of this disclosure have been described in detail by way of examples, those skilled in the art should understand that the examples are for illustrative purposes only and not intended to limit the scope of this disclosure. Those skilled in the art should understand that modifications can be made to the above embodiments or equivalent substitutions can be made to some technical features without departing from the scope and spirit of this disclosure. The scope of this disclosure is defined by the appended claims.
Claims
1. An online detection device for the amount of near-infrared cigarette adhesive applied, characterized in that, include: A near-infrared detection probe is detachably mounted on the glue spray nozzle of the cigarette rolling machine to detect the characteristic components of the glue. The near-infrared detection probe is connected to a near-infrared detector, which is connected to a central control system. The central control system is connected to the glue spray nozzle and is also connected to a display and the cigarette rolling machine.
2. The near-infrared cigarette adhesive application amount online detection device according to claim 1, characterized in that, The near-infrared detection probe is located on one side of the nozzle after the glue has been applied, and the near-infrared detection probe moves parallel to the nozzle.
3. The near-infrared cigarette adhesive application amount online detection device according to claim 1, characterized in that, The near-infrared detection probe is positioned directly opposite the adhesive tape at the joint, with a distance of 0.5mm-1.0mm between it and the cigarette paper.
4. The near-infrared cigarette adhesive application amount online detection device according to claim 1, characterized in that, The near-infrared detection probe is detachably mounted on the adhesive nozzle via a frame.
5. The near-infrared cigarette adhesive application amount online detection device according to claim 1, characterized in that, The near-infrared detector is installed in an empty position behind the spray nozzle, and the near-infrared detector is connected to the near-infrared detection probe via an optical fiber.
6. The near-infrared cigarette adhesive application amount online detection device according to claim 1, characterized in that, The glue nozzle is connected to a glue supply device via a glue tube.
7. The near-infrared cigarette adhesive application amount online detection device according to claim 6, characterized in that, The glue supply device includes a glue cylinder, a gear pump, and a servo motor arranged in sequence. The glue nozzle is connected to the gear pump, and the servo motor is connected to the central control system.
8. The near-infrared cigarette adhesive application amount online detection device according to claim 1, characterized in that, The central control system is built into the control system of the cigarette machine, or it can be plugged into a reserved socket in the cigarette machine controller in the form of a PLC controller.
9. The near-infrared cigarette adhesive application amount online detection device according to claim 1, characterized in that, The display is built into the display of the cigarette machine, or the display is installed separately in an empty position behind the glue spray nozzle.