CN110239788A - The setting method of cigarette packet cellophane paper hot sealing process parameter - Google Patents
The setting method of cigarette packet cellophane paper hot sealing process parameter Download PDFInfo
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- CN110239788A CN110239788A CN201910528936.4A CN201910528936A CN110239788A CN 110239788 A CN110239788 A CN 110239788A CN 201910528936 A CN201910528936 A CN 201910528936A CN 110239788 A CN110239788 A CN 110239788A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
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Abstract
The present invention relates to cigarette packet cellophane papers to seal processing technique field, in particular to a kind of setting method of cigarette packet cellophane paper hot sealing process parameter.The method comprise the steps that obtaining the fusing point of cigarette packet cellophane paper；And the fusing point based on cellophane paper, determine the hot sealing process parameter of cellophane paper.This method can effectively shorten the time of hot sealing process parameter setting, realize more quick cellophane paper hot sealing process parameter setting procedure.
Description
Technical field
The present invention relates to cigarette packet cellophane papers to seal processing technique field, in particular to a kind of cigarette packet seals work with cellophane paper
The setting method of skill parameter.
Background technique
Cellophane paper is one of ancillary Packaging Materials important in tobacco business, is heat-sealed to the outer surface of cigarette packet, mainly
For ensureing the quality of product, prevent product from making moist and being contaminated.The heat-sealing of cellophane paper is usually complete by cellophane paper packager outside box
At, process approximately as: when small box of cigarettes enter cellophane paper heat-seal equipment along delivery track, before left and right cylinder pushes respectively
Latter two heat-sealing component is moved toward one another, and front and back heat sealing plate close-fitting transparent paper both ends, heat sealing plate generates one under the function of current
Determine temperature, and certain pressure is applied to small box of cigarettes both ends, cellophane paper melts at a certain temperature and adhesion, completes cellophane paper heat
Envelope.Therefore, the setting of heat-seal equipment temperature parameter will directly affect the heat-sealing effect of cigarette cellophane paper.
Currently, heat-seal equipment temperature parameter is usually empirically set, different test temperatures is mainly by virtue of experience set
Heat-sealing test is carried out, whether is then required heat-sealing temperature parameter according to the set test temperature of heat-sealing result judgement, so
And this experience setting method, reliable basis of reference is lacked when different tests temperature is arranged, parameter setting specific aim is poor,
So that cigarette packet tightness is reached requirement, often needs to carry out repetitious adjustment and detection, this not only causes heat-seal equipment parameter
Setting process is complex, takes time and effort, and reduces the efficiency of equipment, also, is also easy to go out during adjusting repeatedly
Now a large amount of substandard product, meanwhile, identified temperature parameter accuracy rate is lower, is also easy when formally being produced based on it
Cause product unqualified, and underproof product not only results in cost increase, is also easy to flow due to interception such as is not thorough at the reasons
Enter market, cigarette product is caused to occur going mouldy because of poor sealing and other issues.
Summary of the invention
The present invention is intended to provide a kind of method that can quickly determine cigarette packet cellophane paper hot sealing process parameter.
To achieve the goals above, the setting method of cigarette packet cellophane paper hot sealing process parameter provided by the present invention, packet
It includes:
Obtain the fusing point T of cigarette packet cellophane paper0；
Fusing point T based on cellophane paper0, determine the hot sealing process parameter of cellophane paper.
In some embodiments, the fusing point T based on cellophane paper0The hot sealing process parameter for determining cellophane paper includes:
Fusing point T based on cellophane paper0, determine the minimum heat-sealing temperature T of cellophane paperminWith highest heat-sealing temperature TmaxIn extremely
It is one few, in which: minimum heat-sealing temperature TminMinimum heat-sealing temperature when to use the tightness of the cigarette packet of cellophane paper to reach requirement
Degree；Highest heat-sealing temperature TmaxMaximum heat-sealing temperature when to use the tightness of the cigarette packet of cellophane paper to reach requirement.
In some embodiments, the fusing point T based on cellophane paper0Determine the minimum heat-sealing temperature T of cellophane paperminMost high fever
Seal temperature TmaxAt least one of include:
From the fusing point T of cellophane paper0Start, temperature is gradually increased, as different test temperatures, and under each test temperature
Cellophane paper is sealed respectively, and whether is met the requirements according to the cigarette packet tightness after each heat-sealing, determines cellophane paper most
Low heat-sealing temperature TminWith highest heat-sealing temperature TmaxAt least one of, in which: cigarette packet tightness is reached into requirement when institute for the first time
Corresponding test temperature is determined as minimum heat-sealing temperature Tmin；Tightness is reached for the first time after requirement when occurring unqualified again pair
The previous test temperature for the test temperature answered is determined as highest heat-sealing temperature Tmax。
In some embodiments, from the fusing point T of cellophane paper0Start, is gradually increased temperature, as different test temperatures,
And cellophane paper is sealed respectively under each test temperature, and whether is conformed to according to the cigarette packet tightness after each heat-sealing
It asks, determines the minimum heat-sealing temperature T of cellophane paperminInclude:
Set the first test temperature Tx=T0+n△T1, wherein x=n=0,1,2,3 ..., △ T1For each increased temperature
Angle value；
In set first test temperature TxUnder cellophane paper is sealed, and the cigarette packet tightness after heat-sealing reaches for the first time
To when requiring, by corresponding first test temperature TxIt is determined as the minimum heat-sealing temperature T of cellophane papermin。
In some embodiments, it after completing to seal to cellophane paper under each test temperature, is tested using cigarette packet tightness
Whether the cigarette packet tightness after instrument detection heat-sealing reaches requirement.
In some embodiments, from the fusing point T of cellophane paper0Start, is gradually increased temperature, as different test temperatures,
And cellophane paper is sealed respectively under each test temperature, and whether is conformed to according to the cigarette packet tightness after each heat-sealing
It asks, determines the highest heat-sealing temperature T of cellophane papermaxInclude:
Fusing point T based on cellophane paper0, determine the minimum heat-sealing temperature T of cellophane papermin；
Based on the minimum heat-sealing temperature T of identified cellophane papermin, determine the highest heat-sealing temperature T of cellophane papermax。
In some embodiments, based on the minimum heat-sealing temperature T of identified cellophane papermin, determine the most high fever of cellophane paper
Seal temperature TmaxInclude:
Based on the minimum heat-sealing temperature T of identified cellophane papermin, set the second test temperature Ty, Ty=Tmin+m△T2,
Wherein, y=m=1,2,3 ..., △ T2For each increased temperature value；
In the second test temperature TyUnder cellophane paper is sealed, and cigarette packet tightness after heat-sealing occur it is unqualified
When, by corresponding second test temperature TySubtract △ T2Highest heat-sealing temperature T as cellophane papermax。
In some embodiments, △ T2With determining minimum heat-sealing temperature TxWhen the increased temperature value △ T of institute every time1It is equal
Or differ.
In some embodiments, cellophane paper fusing point T is obtained0Include:
Using the fusing point T of differential scanning calorimetry measurement cellophane paper0。
In some embodiments, in the fusing point T based on cellophane paper0, during the hot sealing process parameter for determining cellophane paper,
Also change the heat-sealing time, obtains the hot sealing process parameter of the cellophane paper under different heat-sealing time conditions.
Since the present invention is no longer based on experience, the hot sealing process parameter of cellophane paper is set, but using cellophane paper fusing point as
The basis of reference of hot sealing process parameter setting procedure is provided fundamental basis for hot sealing process parameter setting, so that hot sealing process is joined
Number setting up procedure have stronger specific aim, therefore, can effectively shorten time of hot sealing process parameter setting, realize more fast
The cellophane paper hot sealing process parameter setting procedure of speed.
By the way that exemplary embodiment of the present invention is described in detail referring to the drawings, other feature of the invention and
Its advantage will become apparent.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 shows the logic diagram of one embodiment of the invention method.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are in no development creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part of specification.
In the description of the present invention, it is to be understood that, components are limited using the words such as " first ", " second ", only
It is merely for convenience of distinguishing corresponding components, there is no Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore not
It can be interpreted as limiting the scope of the invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Fig. 1 shows one embodiment of cigarette packet cellophane paper hot sealing process parameter setting method of the present invention.Referring to Fig.1,
Method provided by the present invention, comprising:
Obtain the fusing point T of cigarette packet cellophane paper0；
Fusing point T based on the cellophane paper0, determine the hot sealing process parameter of the cellophane paper.
Existing experience setting method by virtue of experience sets test temperature, is theoretically unsound, test temperature often occur
Too high or too low problem is set, so that the process of hot sealing process parameter needed for frequently resulting in acquisition is longer and more complex, together
When generated substandard product it is also more.
And it is different from existing experience setting method, the present invention is based on the fusing point T of cellophane paper0To determine the heat-sealing work of cellophane paper
Skill parameter, since cellophane paper heat seal process need to melt cellophane paper, heat-sealing temperature needed for completing heat-sealing and transparent paper material are molten
There are substantial connections for point, therefore, with the fusing point T of cellophane paper0It, can be more fast as the setting benchmark for determining hot sealing process parameter
Speed and required hot sealing process parameter is accurately determined, effectively shorten and simplifies the setting up procedure of hot sealing process parameter, and reduced
The generation rate of rejected product in test and formal production process.
In addition, time representation cellophane paper residence time in heat-seal equipment is sealed in cellophane paper heat seal process,
It is an important factor for influencing cellophane paper heat sealability, same cellophane paper is under identical heat-sealing temperature and pressure, and the heat-sealing time is not
Together, the heat sealability of acquisition is also different.Therefore, the present invention is being based on cellophane paper fusing point T0Determine cellophane paper hot sealing process parameter
In the process, the heat-sealing time can also be changed, to obtain the hot sealing process parameter of the cellophane paper under different heat-sealing time conditions.This
When, due to comprehensively considering cellophane paper fusing point T0Therefore more accurate ginseng is help to obtain with the influence for sealing the factors such as time
Number setting is supported as a result, providing data more substantially and securely for cigarette packet actual production process.Wherein, the heat-seal equipment speed of service
An important factor for speed is influence heat-sealing length of time, so, the speed of service for changing heat-seal equipment, Lai Shixian can be passed through
Change to the heat-sealing time.
In the present invention, the fusing point T based on cellophane paper0The hot sealing process parameter of identified cellophane paper may include minimum
Heat-sealing temperature TminWith highest heat-sealing temperature TmaxAt least one of, that is, in the fusing point T based on cellophane paper0Determine cellophane paper
It, can be based on the fusing point T of cellophane paper when hot sealing process parameter0Determine the minimum heat-sealing temperature T of cellophane paperminTemperature is sealed with highest
Spend TmaxAt least one of.Wherein, minimum heat-sealing temperature TminRefer to when reaching requirement using the tightness of the cigarette packet of cellophane paper
Minimum heat-sealing temperature；Highest heat-sealing temperature TmaxRefer to maximum heat when reaching requirement using the tightness of the cigarette packet of cellophane paper
Seal temperature.
And in the fusing point T based on cellophane paper0Determine the minimum heat-sealing temperature T of cellophane paperminWith highest heat-sealing temperature TmaxIn
At least one when, can be from the fusing point T of cellophane paper0Start, temperature is gradually increased, as different test temperatures, and each
Cellophane paper is sealed respectively under test temperature, and whether is met the requirements according to the cigarette packet tightness after each heat-sealing, is determined
The minimum heat-sealing temperature T of cellophane paperminWith highest heat-sealing temperature TmaxAt least one of.Wherein it is possible to which cigarette packet tightness is first
Secondary corresponding test temperature when reaching requirement is determined as minimum heat-sealing temperature Tmin；And after tightness to be reached to requirement for the first time again
The previous test temperature of secondary corresponding test temperature when occurring unqualified is determined as highest heat-sealing temperature Tmax。
Wherein it is possible to the fusing point T based on cellophane paper0The minimum heat-sealing temperature T of cellophane paper is determined simultaneouslyminIt is sealed with highest
Temperature Tmax, to provide the heat-sealing temperature parameter area met the requirements for heat seal process, further decrease in formal production process
Substandard product rate.
It, can be by the minimum heat-sealing temperature T of determination for the ease of distinguishingminThe corresponding test temperature of process is known as the first test
Temperature Tx, and will determine highest heat-sealing temperature TmaxThe corresponding test temperature of process is known as the second test temperature Ty。
For example, the step of determining when minimum heat-sealing temperature Tmin may include:
Set the first test temperature Tx=T0+n△T1, wherein x=n=0,1,2,3 ..., △ T1For each increased temperature
Angle value；
In set first test temperature TxUnder cellophane paper is sealed, and the cigarette packet tightness after heat-sealing reaches for the first time
To when requiring, by corresponding first test temperature TxIt is determined as the minimum heat-sealing temperature T of cellophane papermin。
Due in above-mentioned steps, when cyclic test, increases identical temperature value every time, therefore, increase temperature compared to each
The setting process of the different situation of angle value, each first test temperature is simpler, this is also beneficial to simplify minimum heat-sealing temperature Tmin
Determination process.
And highest heat-sealing temperature TmaxDetermination can determine minimum heat-sealing temperature TminOn the basis of carry out, that is, can be with
The first fusing point T based on cellophane paper0, determine the minimum heat-sealing temperature T of cellophane papermin；Then again based on identified cellophane paper most
Low heat-sealing temperature Tmin, determine the highest heat-sealing temperature T of cellophane papermax。
Wherein, based on the minimum heat-sealing temperature T of identified cellophane papermin, determine the highest heat-sealing temperature T of cellophane papermax
The step of may include:
Based on the minimum heat-sealing temperature T of identified cellophane papermin, set the second test temperature Ty, Ty=Tmin+m△T2,
Wherein, y=m=1,2,3 ..., △ T2For each increased temperature value；
In the second test temperature TyUnder cellophane paper is sealed, and cigarette packet tightness after heat-sealing occur it is unqualified
When, by corresponding second test temperature TySubtract △ T2Highest heat-sealing temperature T as cellophane papermax。
Due in above-mentioned steps, when cyclic test, each increased temperature value is identical, therefore, increases temperature compared to each
The setting process of the different situation of angle value, each second test temperature is simpler, this is also beneficial to simplify highest heat-sealing temperature Tmax
Determination process.
Wherein, △ T2With determining minimum heat-sealing temperature TxWhen the increased temperature value △ T of institute every time1It can be equal or different.
Method of the invention is further explained below with reference to Fig. 1.
As shown in Figure 1, the setting method of the cellophane paper hot sealing process parameter may comprise steps of:
(1) used cellophane paper is sampled.
(2) the melting temperature T of cellophane paper sample (hereinafter referred to as cellophane paper) is obtained0.Wherein it is possible to by using showing that difference sweeps
Retouch the fusing point T that the methods of calorimetry (DSC, differential scanning calorimetry) measures the cellophane paper0,
To realize to cellophane paper melting temperature T0Acquisition.
(3) it is based on cellophane paper melting temperature T0Carry out the first test temperature TxSetting, wherein the first test temperature T of settingx
Initial value and cellophane paper melting temperature T0Unanimously, that is, by the first test temperature TxInitial value be set as T0。
(4) when the heat-sealing temperature of heat-seal equipment reaches T0When, operation heat-seal equipment seals small box of cigarettes, and in heat
The cigarette packet degree of being sealed by heat-sealing is detected using the cigarette packet tightness tester of the models such as PSTNE100 after the completion of envelope, inspection
Survey whether cigarette packet tightness has reached requirement.
(5) cellophane paper melting temperature T is typically larger than since cigarette packet sealing performance reaches requirement required temperature0, therefore, generally
Small box of cigarettes tightness at a temperature of initial trial will appear unqualified (being unsatisfactory for requiring), in this case, reset
First test temperature Tx=T0+n△T1, x=n=1,2,3,4,5 ..., △ T1Indicate increased temperature value every time, later again
It is sealed and is detected, tested by this circulation, until small box of cigarettes tightness reaches requirement for the first time.
It (5), will current corresponding first test temperature Tx when test specimen small box of cigarettes tightness reaches requirement for the first time
It is determined as minimum heat-sealing temperature Tmin.
(6) in minimum heat-sealing temperature TminOn the basis of, continue to increase temperature as the second test temperature Ty, wherein Ty=
Tmin+m△T2, y=m=1,2,3,4,5 ..., T2For each increased temperature value, and carried out according to each second test temperature Ty
Heat-sealing and detection, cyclic test.△ T herein2With △ T above-mentioned1Can be equal, to be further simplified setting up procedure.
(7) when test specimen small box of cigarettes tightness occurs unqualified again, illustrate that current second test temperature is excessively high,
Cause cellophane paper damaged, at this time by corresponding second test temperature TyIt is recorded as Tm, then Tm-1(namely current corresponding second test
Previous second test temperature of temperature Tm, Tm-1=Tm-△T2) it is that small box of cigarettes tightness is made to meet the requirements required maximum
Heat-sealing temperature Tmax, it is simultaneously stopped test.
(8) speed of service for changing heat-seal equipment, repeats the above steps, to cellophane paper in the different heat-seal equipment speeds of service
Under minimum heat-sealing temperature TminAnd highest heat-sealing temperature TmaxIt is configured, to obtain the most low-heat under different heat-sealing time conditions
Seal temperature TminAnd highest heat-sealing temperature Tmax。
By above-mentioned steps, corresponding heat-sealing temperature parameter list can be worked out according to conclusion (of pressure testing), only be with table 1 herein
Example:
Heat-sealing temperature parameter list of the table 1. based on cellophane paper melting temperature and the equipment speed of service
Using above-mentioned steps of the present invention (1)-(8) method, it can be based on cellophane paper fusing point, and combine the fortune of heat-seal equipment
Scanning frequency degree improves the specific aim of parameter setting, and heat-sealing temperature parameter is fast and accurately arranged in realization, reduces cigarette packet tightness not
Qualified risk reduces quality cost caused by rejected product, improves the efficiency of heat-seal equipment, improves cigarette packet leakproofness
Can, reduce the risk that mildew and other issues occurs because of poor sealing for cigarette product.
Next the effect of the method for the present invention is further explained in conjunction with specific embodiments.
Embodiment 1:
Based on the method for the present invention, the material melting point temperature for measuring cellophane paper A is 120 DEG C, (the operation on middling speed heat-seal equipment
The packet of speed 400/point) sealed, obtain its minimum heat-sealing temperature TminWith highest heat-sealing temperature TmaxRespectively 142 DEG C and 150
DEG C, that is, 142 DEG C≤heat-sealing temperature≤150 DEG C, which is compared with Conventional wisdom setting method, in product quality and production
Comparison result in terms of efficiency is referring to table 2.
2. cellophane paper A test effect deck watch of table
From table 2 it can be seen that cellophane paper A when sealed in unit is sealed with middling speed, uses the method for the present invention and tradition
Experience setting method compares, and can substantially shorten small box of cigarettes tightness and reach the time required for requirement, effectively improves production effect
Rate, meanwhile, generated substandard product quantity in adjustment verification process, effectively save cost can be greatly decreased.
Embodiment 2
Based on the method for the present invention, the material melting point temperature for measuring cellophane paper B is 116 DEG C, (the operation on high speed heat-seal equipment
The packet of speed 600/point) sealed, obtain its minimum heat-sealing temperature TminWith highest heat-sealing temperature TmaxRespectively 140 DEG C and 148
DEG C, that is, 140 DEG C≤heat-sealing temperature≤148 DEG C, which is compared with Conventional wisdom setting method, in product quality and production
Comparison result in terms of efficiency is referring to table 3.
3. cellophane paper B test effect deck watch of table
From table 3 it can be seen that cellophane paper A when sealed in unit is sealed with middling speed, uses the method for the present invention and tradition
Experience setting method compares, and can substantially shorten small box of cigarettes tightness and reach the time required for requirement, effectively improves production effect
Rate, meanwhile, generated substandard product quantity in adjustment verification process, effectively save cost can be greatly decreased.
The foregoing is merely exemplary embodiment of the present invention, are not intended to limit the invention, all in spirit of the invention
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of setting method of cigarette packet cellophane paper hot sealing process parameter characterized by comprising
Obtain the fusing point T of cigarette packet cellophane paper0；
Fusing point T based on the cellophane paper0, determine the hot sealing process parameter of the cellophane paper.
2. the method according to claim 1, wherein the fusing point T based on cellophane paper0Determine the heat of cellophane paper
Sealing technological parameter includes:
Fusing point T based on the cellophane paper0, determine the minimum heat-sealing temperature T of the cellophane paperminWith highest heat-sealing temperature TmaxIn
At least one, in which: the minimum heat-sealing temperature TminWhen to use the tightness of the cigarette packet of the cellophane paper to reach requirement
Minimum heat-sealing temperature；The highest heat-sealing temperature TmaxWhen to use the tightness of the cigarette packet of the cellophane paper to reach requirement most
Big heat-sealing temperature.
3. according to the method described in claim 2, it is characterized in that, the fusing point T based on cellophane paper0Determine cellophane paper most
Low heat-sealing temperature TminWith highest heat-sealing temperature TmaxAt least one of include:
From the fusing point T of cellophane paper0Start, be gradually increased temperature, as different test temperatures, and under each test temperature respectively
Cellophane paper is sealed, and whether is met the requirements according to the cigarette packet tightness after each heat-sealing, determines the most low-heat of cellophane paper
Seal temperature TminWith highest heat-sealing temperature TmaxAt least one of, in which: it is corresponding when cigarette packet tightness is reached requirement for the first time
Test temperature be determined as minimum heat-sealing temperature Tmin；Tightness is reached to after requirement corresponding when occurring unqualified again for the first time
The previous test temperature of test temperature is determined as highest heat-sealing temperature Tmax。
4. according to the method described in claim 3, it is characterized in that, the fusing point T from cellophane paper0Start, is gradually increased temperature
Degree, respectively seals cellophane paper as different test temperatures, and under each test temperature, and according to each heat-sealing after
Whether cigarette packet tightness meets the requirements, and determines that the minimum heat-sealing temperature Tmin of cellophane paper includes:
Set the first test temperature Tx=T0+n△T1, wherein x=n=0,1,2,3 ..., △ T1For each increased temperature value；
In set first test temperature TxUnder the cellophane paper is sealed, and the cigarette packet tightness after heat-sealing reaches for the first time
To when requiring, by corresponding first test temperature TxIt is determined as the minimum heat-sealing temperature T of the cellophane papermin。
5. according to the method described in claim 3, it is characterized in that, when under each test temperature to cellophane paper complete seal after,
Whether requirement is reached using the cigarette packet tightness after the detection heat-sealing of cigarette packet tightness tester.
6. according to method as claimed in claim 3 to 5, which is characterized in that the fusing point T from cellophane paper0Start, gradually increases
Big temperature respectively seals cellophane paper as different test temperatures, and under each test temperature, and according to each heat-sealing
Whether cigarette packet tightness afterwards meets the requirements, and determines the highest heat-sealing temperature T of cellophane papermaxInclude:
Fusing point T based on the cellophane paper0, determine the minimum heat-sealing temperature T of the cellophane papermin；
Based on the minimum heat-sealing temperature T of identified cellophane papermin, determine the highest heat-sealing temperature T of the cellophane papermax。
7. according to the method described in claim 6, it is characterized in that, the minimum heat-sealing temperature based on identified cellophane paper
Tmin, determine the highest heat-sealing temperature T of cellophane papermaxInclude:
Based on the minimum heat-sealing temperature T of identified cellophane papermin, set the second test temperature Ty, Ty=Tmin+m△T2, wherein
Y=m=1,2,3 ..., △ T2For each increased temperature value；
In the second test temperature TyUnder cellophane paper is sealed, will be right and when cigarette packet tightness after heat-sealing occurs unqualified
The the second test temperature T answeredySubtract △ T2Highest heat-sealing temperature T as the cellophane papermax。
8. the method according to the description of claim 7 is characterized in that the △ T2With determining the minimum heat-sealing temperature TxWhen
The increased temperature value △ T of institute every time1It is equal or different.
9. -5 any method according to claim 1, which is characterized in that the acquisition cellophane paper fusing point T0Include:
The fusing point T of the cellophane paper is measured using differential scanning calorimetry0。
10. -5 any method according to claim 1, which is characterized in that in the fusing point T based on the cellophane paper0, determine
During the hot sealing process parameter of the cellophane paper, also change the heat-sealing time, obtains transparent under different heat-sealing time conditions
The hot sealing process parameter of paper.
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| CN110720655A (en) * | 2019-11-05 | 2020-01-24 | 福建中烟工业有限责任公司 | Cigarette quality control method |
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