Method for quickly determining cigarette weight based on cigarette machine equipment

Abstract

The application discloses a method for quickly judging cigarette weight based on a cigarette machine device and relates to the technical field of tobacco production, and solves the technical problems that when existing machine types or processes are different, cigarette weight unqualified phenomenon occurs, cigarette weight is difficult to be quickly and accurately adjusted, fault elimination is not accurate, and cigarette weight is unqualified. The method uses the original machine to realize the rejecting and sampling functions, quickly judges and verifies various factors influencing the unqualified cigarette weight. The method uses cigarette calibration sampling to judge the weight control factors, and the maximum advantage of the cigarette sampling lies in that there is no filter, and factors such as filters and mouthpiece glue influencing the cigarette weight are excluded. Double-row continuous sampling of cigarettes can obtain cigarette strips continuously produced, and through the weight measurement of the inner and outer rows of cigarettes, whether the tight head position of the cigarette is normal or deviated can be accurately judged.

Description

Technical Field

[0001] This invention relates to the field of tobacco production technology, and more specifically, to a method for rapidly determining the weight of cigarettes based on tobacco machinery equipment. Background Technology

[0002] Cigarette weight is one of the most important physical indicators of cigarettes. Incorrect weight directly affects and reduces the smoking quality of the cigarette, and may even lead to issues such as burnt-out cigarettes and insufficient smoke. Current cigarette manufacturing processes mainly include regular cigarettes and medium-length cigarettes. Different models of cigarette rolling machines use similar weight control principles, and each step can potentially cause instability in cigarette weight. When different machine models or processes occur, it is difficult to quickly and accurately adjust the cigarette weight when incorrect weight is found. Currently, the main approach is to rely on experience to modify parameters and troubleshoot, which can easily lead to inaccurate troubleshooting, incorrect cigarette weight, inaccurate cigarette rejection, or the wrong rejection of a large number of qualified cigarettes, reducing equipment efficiency and increasing material consumption.

[0003] Currently, the main method involves obtaining sample cigarettes through equipment sampling, measuring the weight of the sample cigarettes using a testing platform, comparing the weight with process standards, and adjusting machine parameters based on experience. However, the parameters for weight adjustment vary depending on the equipment model, making it difficult to quickly and accurately identify the causes of weight control malfunctions. Summary of the Invention

[0004] The purpose of this invention is to provide a new technical solution for a method of quickly determining the weight of cigarettes based on cigarette machine equipment. This solves the technical problem that when existing machine models or processes differ, the cigarette weight may be unqualified, making it difficult to quickly and accurately adjust the cigarette weight, resulting in inaccurate troubleshooting and unqualified cigarette weight.

[0005] The technical solution of the present invention:

[0006] A method for rapidly determining the weight of cigarettes based on cigarette-making equipment includes the following steps:

[0007] Determine if the cigarette sampling slot is accurate;

[0008] To determine whether the target weight of the cigarette is accurate;

[0009] Determine if the position of the compacted end of the cigarette is accurate;

[0010] Determine if the microwave slope is accurate;

[0011] Determine if the cigarette length is within acceptable limits;

[0012] Determine whether the weight of the filter tip and adhesive of the rejected cigarettes is up to standard;

[0013] Determine whether the cigarette rejection slot is accurate.

[0014] Preferably, the method for determining the cigarette sampling slot position is as follows: the range of cigarette weight error value is set to [-A, A]. When the actual weight difference between overweight cigarettes and underweight cigarettes is 2A, the cigarette sampling slot position is determined to be accurate; wherein the value of A ranges from 20 to 50 mg.

[0015] Preferably, the method for determining the target weight of the cigarette is as follows: randomly sample N cigarettes, and measure the average weight of the actual cigarettes as C. When |CD|≤8mg, the target weight of the cigarette is accurate; D is the target weight of the product's technical standard.

[0016] Preferably, the method for determining the position of the compacted end of the cigarette is as follows: randomly sample N cigarettes from the front and / or back rows of the production line, and actually weigh the average weight of the cigarettes in the front row as E, and actually weigh the average weight of the cigarettes in the back row as F. If |EF|≤5mg, then the position of the compacted end of the cigarette is accurate.

[0017] Preferably, the microwave slope K determination method is as follows: N cigarettes are randomly sampled; the difference between the actual measured weight of the cigarettes and the target weight in the product's technical standard is G; the difference between the computer-measured weight of the cigarettes and the target weight in the product's technical standard is H; and the slope displayed by the computer is K1. Then the new slope is... Replace K1 with K; repeat the above process until |GH|≤1.

[0018] Preferably, the method for determining the length of the cigarette is as follows: randomly sample N cigarettes, and the actual measured length of a single cigarette is I, with a tolerance of L; if the length I of a certain cigarette is within the range of [JL, J+L], then the length of this cigarette is qualified; J is the target length of the product technical standard.

[0019] Preferably, the method for determining the weight of the discarded cigarette filter and adhesive is as follows: take out the discarded cigarette, remove the filter and weigh it. The actual weight of a single filter is M, and the tolerance is P. If the weight M of a single filter is within the range of [NP, N+P], the weight of the filter and adhesive is considered to be qualified. N is the weight of a single filter calculated according to the product technical standards.

[0020] Preferably, the method for determining the calibration of the cigarette rejection slot is as follows: take out the rejected cigarettes, and actually weigh a single cigarette as Q, with a tolerance of S; if the weight Q of a single cigarette is within the range of [RS, R+S], then the rejection slot from the cigarette sampling point to the cigarette rejection drum is accurate; R is the cigarette weight according to the product's technical standard.

[0021] The beneficial effects of this invention are as follows: This method can be used for various models of cigarette rolling machines, including but not limited to mainstream cigarette rolling machines such as ZJ17, ZJ118, ZJ116, and FOCKE. Other rolling and joining equipment with similar production processes and sampling and rejection functions can also quickly locate the faulty link of weight non-compliance and quickly restore it by referring to this method. Attached Figure Description

[0022] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments of the invention and, together with their description, serve to explain the principles of the invention.

[0023] Figure 1 This is a schematic diagram illustrating the factors affecting cigarette manufacturing processes and weight.

[0024] Figure 2 This is a flowchart of the method for rapidly determining the weight of cigarettes based on a cigarette machine according to the present invention. Detailed Implementation

[0025] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that, unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments do not limit the scope of the invention.

[0026] The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the invention or its application or use.

[0027] In all the examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values.

[0028] like Figure 1 and Figure 2 As shown, a method for rapid calibration of cigarette weight based on cigarette machine equipment includes the following steps:

[0029] Step 1: Cigarette sampling and calibration; check if the cigarette sampling slot is accurate. If the cigarette sampling slot is not accurate, the cigarette sampling slot needs to be calibrated.

[0030] The determination of the cigarette sampling slot position is as follows: "Cigarette sampling calibration" is performed on the computer, inputting the interval parameter [-30mg 30mg]. Then, five overweight cigarettes and five underweight cigarettes are taken, and the samples are sent to the integrated testing platform for measurement. The average weight of the overweight cigarettes is A, and the average weight of the underweight cigarettes is B. If AB = 60mg, then the position from the microwave detection center point to the cigarette sampling point is accurate.

[0031] If the cigarette sampling slot is in the correct position, proceed to the next step. If the cigarette sampling slot is not in the correct position, slot calibration is required.

[0032] Step 2: Calibrate the target weight of the cigarettes; check if the target weight of the cigarettes is accurate. If the target weight of the cigarettes is inaccurate, a professional manufacturer needs to perform maintenance and calibration of the SRM weight control system.

[0033] The target weight of the cigarettes is determined as follows: 25 cigarettes are randomly sampled and sent to a comprehensive testing platform for measurement. The average weight of the cigarettes measured is C, and the target weight of the cigarettes in the technical standards for cigarettes is D. If |CD|≤8mg, then the target weight of the cigarettes is accurate.

[0034] If the target weight of the cigarettes is within acceptable limits, proceed to the next step; if the target weight of the cigarettes is not within acceptable limits, the SRM weight control system needs to be maintained and calibrated.

[0035] Step 3: Randomly sample the cigarettes and check whether the weight tolerance of the cigarettes in the front and back rows is within acceptable limits. If the weight tolerance of the cigarettes in the front and back rows is not within acceptable limits, the position of the compacted end of the cigarettes is inaccurate and needs to be adjusted.

[0036] The determination of the compacted end position of the cigarette is as follows: 25 cigarettes are randomly sampled from the front and rear rows on a computer, and the samples are sent to a comprehensive testing platform for measurement. The average weight of the cigarettes in the front row is E, and the average weight of the cigarettes in the rear row is F. If |EF|≤5mg, the compacted end position of the cigarette is accurate.

[0037] Step 4: Randomly sample cigarettes and compare the standard deviation displayed on the computer with the standard deviation calculated by the integrated testing platform. If the deviation is too large, the microwave slope is inaccurate and slope calibration is required. The standard deviation displayed on the computer is the difference H between the computer-measured cigarette weight and the target weight according to the product's technical standard. The standard deviation calculated by the integrated testing platform is the difference G between the actual measured cigarette weight and the target weight according to the product's technical standard.

[0038] The method for determining and adjusting the accuracy of the microwave slope is as follows: 25 cigarettes are randomly sampled and placed on a comprehensive testing platform for measurement. The standard deviation of the actual measured cigarette weight is G, the standard deviation displayed on the computer is H, and the slope displayed on the computer is K1. The new slope is then determined as follows: Input the new parameter K into position K1 on the computer. Repeat the above process until |GH|≤1.

[0039] Step 5: Randomly sample cigarettes and check whether the length of the sample cigarettes meets the process standard. If the length of the cigarettes does not meet the process standard, the length of the cigarettes needs to be adjusted.

[0040] The determination of cigarette length is as follows: 25 cigarettes are randomly sampled and sent to a comprehensive testing platform for measurement. The actual measured length of a single cigarette is I, the cigarette length in the technical standard for cigarettes is J, and the tolerance is L. If the length I of a cigarette is within the range [JL, J+L], then the length of this cigarette is qualified.

[0041] If the compacted end of the cigarette is positioned accurately, the microwave inclination is accurate, and the cigarette length is acceptable, the next step can be performed. If any one of these conditions is not met, adjustments must be made accordingly. After steps one through five, a cigarette with the correct weight can be obtained.

[0042] Step Six: Verify the weight of the filter tips and adhesive of the rejected cigarettes; check whether the weight of the filter tips and adhesive is up to standard. If the weight of the filter tips and adhesive is not up to standard, it is necessary to determine whether there is a problem with the incoming filter material or / or inaccurate cutting position.

[0043] The weight determination of the filter tip and adhesive is as follows: Waste cigarettes are removed from the waste cigarette bin, cigarettes with appearance defects and those with air leaks are removed, and the filters of the remaining cigarettes are removed and weighed. The actual measured weight of a single filter tip is M, and the weight of a single filter tip is calculated as N according to the technical standards for cigarettes, with a tolerance of P. If the weight M of a single filter tip is within the range [NP, N+P], the weight of the filter tip and adhesive is considered acceptable.

[0044] If the filter tip and adhesive are within acceptable weight limits, proceed to the next step. If the filter tip and adhesive are not within acceptable limits, the incoming material and / or cutting position of the filter tip needs to be adjusted.

[0045] Step 7: Cigarette rejection calibration; check if the cigarette rejection slot is accurate. If the cigarette rejection slot is not accurate, the cigarette rejection slot needs to be calibrated.

[0046] The calibration of the cigarette rejection slot involves: removing waste cigarettes from the waste cigarette bin, removing cigarettes with appearance defects and those with air leaks, and sending the remaining cigarettes to the comprehensive testing platform for measurement. The actual measured weight of a single cigarette is Q, the cigarette weight in the technical standard is R, and the tolerance is S. If the weight Q of a cigarette is within the range [RS, R+S], then the distance from the cigarette sampling point in step one to the rejection slot of the cigarette rejection drum is accurate.

[0047] If the cigarette rejection slot is positioned accurately, the adjustment is complete. If the cigarette rejection slot is not positioned accurately, slot calibration is required. After adjustments in steps six and seven, cigarettes of acceptable weight can be obtained.

[0048] While specific embodiments of the invention 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 the invention. Those skilled in the art should understand that modifications can be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. A method for rapidly determining the weight of cigarettes based on cigarette-making equipment, characterized in that, The method includes the following steps, performed sequentially: During the cigarette sampling process, check whether the cigarette sampling slot is accurate. If the cigarette sampling slot is not accurate, calibrate the cigarette sampling slot; if the sampling slot is accurate, proceed to the next step. The target weight of the cigarette is calibrated. If the target weight of the cigarette is qualified, proceed to the next step; if the target weight of the cigarette is not qualified, prompt the SRM system to perform maintenance and verification. Three rounds of random sampling were conducted on the cigarettes, and the following three checks were performed on each sample: The first check is to check whether the weight tolerance of the cigarettes in the front and rear rows is within acceptable limits. If the weight tolerance of the cigarettes in the front and rear rows is not within acceptable limits, the position of the compacted end should be adjusted. The method for determining the position of the compacted end is as follows: randomly sample N cigarettes from the front and / or rear rows on the production line, and actually weigh the average weight of the cigarettes in the front row as E, and actually weigh the average weight of the cigarettes in the rear row as F. If |EF|≤5mg, the position of the cigarette compacted end is accurate. The second check involves comparing the displayed deviation with the deviation calculated by the test bench. If the difference between the two is greater than the threshold, the microwave slope is calibrated. The third inspection checks whether the length of the sample cigarettes meets the established process standards. If it does not meet the standards, the length of the cigarettes is adjusted. The method for determining the length of the cigarettes includes: randomly sampling N cigarettes, the actual measured length of a single cigarette is I, and the tolerance is L; if the length I of a cigarette is within the range of [JL, J+L], then the length of this cigarette is qualified; J is the target length of the product technical standard. If the position of the compacted end of the cigarette, the microwave inclination, and the length of the cigarette are all deemed satisfactory, then the next step can be performed. The weight verification of the filter tips and adhesive of rejected cigarettes is used to check whether the weight of the filter tips and adhesive is qualified. This includes: taking out the rejected cigarettes, removing the filter tips and weighing them. The actual weight of a single filter tip is M, and the tolerance is P. If the weight M of a single filter tip is within the range of [NP, N+P], the weight of the filter tips and adhesive is considered qualified. N is the weight of a single filter tip calculated according to the product technical standards. If the weight of the filter tip and the adhesive is not up to standard, it is determined that there is a problem with the incoming filter tip and / or the cutting position is inaccurate, and the incoming filter tip and / or the cutting position will be adjusted. If the weight of the filter tip and the adhesive are both qualified, then perform the cigarette rejection calibration: check whether the cigarette rejection slot is accurate, and calibrate any inaccurate rejection slots. After the cigarette rejection slots are calibrated to be qualified, the final judgment result is obtained, and cigarettes with qualified weight are obtained.

2. The method for rapid determination of cigarette weight based on cigarette machine equipment according to claim 1, characterized in that, The method for determining the cigarette sampling slot position is as follows: the range of cigarette weight error value is set to [-A, A]. When the actual weight difference between overweight cigarettes and underweight cigarettes is 2A, the cigarette sampling slot position is determined to be accurate; where the value of A ranges from 20 to 50 mg.

3. The method for rapid determination of cigarette weight based on cigarette machine equipment according to claim 1, characterized in that, The method for determining the target weight of cigarettes is as follows: randomly sample N cigarettes, and measure the average weight of the actual cigarettes as C. If |CD| ≤ 8mg, then the target weight of the cigarettes is accurate; D is the target weight of the product's technical standard.

4. The method for rapid determination of cigarette weight based on cigarette machine equipment according to claim 1, characterized in that, The method for determining the microwave slope K is as follows: Randomly sample N cigarettes. The difference between the actual measured weight of the cigarettes and the target weight in the product's technical standard is G. The difference between the computer-measured weight of the cigarettes and the target weight in the product's technical standard is H. The slope displayed by the computer is K1. Therefore, the new slope is... Replace K1 with K; repeat the above process until |GH|≤1.

5. The method for rapid determination of cigarette weight based on cigarette machine equipment according to claim 1, characterized in that, The method for determining the calibration of the cigarette rejection slot is as follows: Take out the rejected cigarettes, and actually weigh a single cigarette, with a tolerance of S; if the weight Q of a single cigarette is within the range of [RS, R+S], then the rejection slot from the cigarette sampling point to the cigarette rejection drum is accurate; R is the cigarette weight according to the product's technical standard.

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