CN106645271A - Device for measuring hot-shrinkage rate of tobacco film - Google Patents

Device for measuring hot-shrinkage rate of tobacco film Download PDF

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Publication number
CN106645271A
CN106645271A CN201611225222.9A CN201611225222A CN106645271A CN 106645271 A CN106645271 A CN 106645271A CN 201611225222 A CN201611225222 A CN 201611225222A CN 106645271 A CN106645271 A CN 106645271A
Authority
CN
China
Prior art keywords
film
seat
support
cigarette
film seat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611225222.9A
Other languages
Chinese (zh)
Inventor
刘勇
周明珠
张龙
王锦平
李志刚
花昌义
邢军
孟庆华
李晓辉
孙淼
董浩
周德成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Institutes of Physical Science of CAS
National Tobacco Quality Supervision and Inspection Center
Original Assignee
Hefei Institutes of Physical Science of CAS
National Tobacco Quality Supervision and Inspection Center
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hefei Institutes of Physical Science of CAS, National Tobacco Quality Supervision and Inspection Center filed Critical Hefei Institutes of Physical Science of CAS
Priority to CN201611225222.9A priority Critical patent/CN106645271A/en
Publication of CN106645271A publication Critical patent/CN106645271A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00Investigating or analyzing materials by the use of thermal means
    • G01N25/16Investigating or analyzing materials by the use of thermal means by investigating thermal coefficient of expansion

Abstract

The invention relates to a device for measuring the hot-shrinkage rate of a tobacco film. The device for measuring the hot-shrinkage rate of the tobacco film comprises an oven provided with film inlet and outlet, and a bracket capable of moving relative to the oven in a reciprocating manner, wherein the bracket is provided with film bases for connecting or placing corresponding film; and the bracket is provided with a first work station for feeding the film bases into the oven through the film inlet and outlet and a second work station for shifting out the film bases from the film inlet and outlet in the reciprocating motion process. When the device is used, the film bases which are provided with or connected with the film are fed into the oven through movement of the bracket, and the bracket is taken as a mobile part with a fixed form, and does not generate different movement ranges due to the proficiency of the operating personnel like the prior art, so that the influence on the experiment result caused by the proficiency of the operating personnel can be reduced.

Description

A kind of cigarette film shrink rate measurement apparatus
Technical field
The present invention relates to be used for the cigarette film shrink rate measurement apparatus of thin film physicses performance detection.
Background technology
Cigarette film be by various macromolecular material co-extrusions, drawing and forming, with the high grade of transparency and glossiness, material without Poison, molecular structure stabilized, there is certain barriers function to smell and moisture, therefore are a kind of preferable cigarette packaging materials.It is thin Film percent thermal shrinkage refers to film under the conditions of uniform temperature and the rate of change of certain hour inside dimension, it when one of film characteristics Important indicator, the important attractive in appearance of the characteristic of the heat shrinkable of film to cigarette outsourcing film, appropriate percent thermal shrinkage Can make cigarette outsourcing that there is tighter, encapsulation evenly, it is to avoid package cover produces fold and the incomplete problem of packaging, protects The attractive in appearance of product packaging is held, while and have good high-speed cruising, good optical property and excellent heat sealability, to protect Card packaging is close to effect with good.
The method of testing of existing film shrink rate uses YC-266《Cigarette film》Testing standard, its regulation Film shrink method of testing be:First 100mm × 100mm square samples are uniformly cut along thin-film width direction, marked And accurately measure the length of film on horizontal stroke, longitudinal direction, then film sample is placed on and is covered with talcous pallet, pallet by Stainless steel material is made, and is put into baking oven and heats 5 minutes, and taking-up is cooled to after experiment border temperature and measures the size after thermal contraction, Calculate horizontal, longitudinal percent thermal shrinkage.Existing Film shrinkage comes with some shortcomings in actual measurement process, mainly has:1st, every time It is required for that manually pallet is sent in baking oven, according to the experience of operating personnel, the movement range of each operating personnel has not Together, different impacts are so will also result in the air-flow in baking oven, the qualification of operating personnel affects larger to experimental result; 2nd, preferably, the temperature that this results in film upper and lower sides is inconsistent, causes film equal for the thermal conductivity of the pallet of stainless steel material Even to be heated, film is unable to homogeneous deformation, has considerable influence to the test result of film;3rd, operating personnel measure thin using Steel Ruler Film length, certainty of measurement is relatively low;4th, because film is soft, easily corrugation, distortion, deformation comparison in baking oven heating process Seriously, it is difficult to accurately measure its physical size.
The content of the invention
It is an object of the invention to provide a kind of cigarette film shrink rate measurement apparatus, to solve prior art in because of behaviour The problem that pallet is put as personnel qualification is different and can impact to experimental result.
In order to solve the above problems, the technical scheme is that:
A kind of cigarette film shrink rate measurement apparatus, including the baking oven for being provided with film import and export, also including can relative baking oven The support for moving back and forth, is provided with the film seat for connecting for respective films or placing on support, support is in reciprocating movement Second for removing is imported and exported by film with the first working position that film seat Jing films are imported and exported feeding baking oven and by film seat Working position.
Cigarette film shrink rate measurement apparatus also include base, and baking oven is fixed on the base, and support is along right and left It is assemblied on base to guiding movement, film is imported and exported on the left side wall of baking oven.
Support includes left socle part and is arranged at the right support part on left socle part right-hand member top, and right support part is Cantilever design, film seat is arranged on right support part.
Film seat includes being respectively used to the left film seat and right film seat that connect film or so two ends, and support includes left socle Part and the right support part for being arranged at left socle part right-hand member top, right support part is cantilever design, and right film seat is arranged On right support part, the film seat for being connected to drive left film seat to move left and right with left film seat is provided with support and is driven Motivation structure.
Left film seat is suspended in film seat drive mechanism.
Cigarette film shrink rate measurement apparatus also include the displacement transducer for detecting left film seat displacement.
Film seat drive mechanism includes film seat driver part and is connected in film seat driver part and left film seat Between transmission mechanism, on transmission mechanism string be provided with pulling force sensor.
Left film seat, right film seat prop the film and make to be formed positioned at described thin between left film seat, right film seat The downside heat conduction space communicated with the upside heat conduction space on the upside of the film on the downside of film
The upper cramping body that each film seat includes lower cramping body and fixes to the film clamp for coordinating with lower cramping body.
Beneficial effects of the present invention are:When using, the film seat for placing or being connected with film is sent into by the movement of support To in baking oven, the moving member that support is fixed as a form will not be as prior art because of the qualification of operating personnel And different movement ranges are produced, therefore the impact caused to experimental result because of the qualification of operating personnel can be reduced.
Description of the drawings
Fig. 1 is the structural representation of one embodiment of the present of invention.
Specific embodiment
Cigarette is as shown in Figure 1 with the embodiment of film shrink rate measurement apparatus:Including baking oven 9 and measured material, baking oven Left surface is provided with film import and export, and film import and export is provided with oven door 8.Measured material includes support 2 and film seat, thin Film seat includes left film seat 6 and right film seat 15, and in left-right direction guiding movement is assemblied on base 1 support 2, and baking oven is fixed on On base, support 2 includes left socle part 12 and is arranged at the right support part 13 on left socle part right-hand member top, right support portion Divide 13 to be cantilever design, film seat driver part 3, the power output of film seat driver part 3 are provided with left socle part 12 End is connected with transmission mechanism, and film seat driver part is motor, and film seat driver part and transmission mechanism constitute together thin Film seat drive mechanism, right film seat 15 is fixed on the right-hand member of right support part 13, and left film seat 6 is suspended on transmission mechanism, Under the driving of film seat driver part, left film seat 6 can relative to and move away from right film seat 15, support is in reciprocating movement In have by left and right film seat Jing films import and export send into baking oven the first working position and by left and right film seat by film pass in and out The second working position that mouth is removed.Left and right film seat include lower cramping body and for lower cramping body coordinate and to film clamp Fixed upper cramping body, upper and lower cramping body is connected by screw to realize the chucking power to film, it is preferred that upper and lower cramping body Made by the relatively low insulating materials of heat conductivility.Film 7 can be propped certain altitude by left and right film seat, thus can be with The downside heat conduction communicated with the upside heat conduction space on the upside of film formed between left and right film seat positioned at the downside of film 7 is empty Between 14.Transmission mechanism includes the upper transmission rod 11 that lower transmission rod 10 is connected with left film seat, between upper transmission rod and left film seat Pulling force sensor 5 is provided with, lower transmission rod is coordinated with upper transmission rod by motion thread, and lower transmission rod constitutes silk with upper transmission rod Thick stick screw mechanism, lower transmission rod rotates under motor drive, so as to drive upper transmission rod to move left and right.Measured material is also wrapped Include the displacement transducer 4 for detecting left film seat displacement.
This cigarette is with the use process of film shrink rate measurement apparatus:First open baking oven for a period of time, make to be reached in baking oven To experimental temperature, the two ends of film are separately mounted on left film seat and right film seat, film seat driver part drives left thin Film seat court moves left and is suitably tensioned film, records the pulling force and film initial length L at the moment1, then film seat drive division Part drives left film seat towards moving right, and the film between left and right film seat is in relaxed state, and so left and right film seat will not The contraction of film is had influence on, mobile support, film enters baking oven, closes baking oven with left and right film seat Jing films Door, after heating certain hour, mobile support makes left and right film seat and film be removed by baking oven, after being cooled to room temperature, film seat Driver part drives the left court of left film to move left stretched film, when pulling force sensor shows that force value is consistent with record force value before When, measure now film length L2, according to formula T=(L1- L2) / L1× 100%, the percent thermal shrinkage of film is calculated, T is table Show percent thermal shrinkage.Suspended state of the left film seat in not contacting with support, does not produce between so left film seat and support and rubs Wipe power, it is ensured that accurate measurement of the pulling force sensor to membrane tension;Right support part adopts mounting structure, so can avoid with Baking oven produces interference so that left and right film seat can smoothly be sent into baking oven;Left film seat, right film seat are taken film Form is gripped, fixed form is simple and convenient;Left and right film seat is made up of the poor insulating materials of thermal conductivity, so can be with Reduce impact of the film seat to film as far as possible;Film is sent into by baking oven by the movement of support, it is to avoid due to artificial operation Experience different and the experimental result change that brings.In other embodiments of the invention:When film length is longer, can be with Arrange intermediate supports between left and right film seat to prevent film from falling on baking oven diapire;Displacement transducer can not set, now Operating personnel can be measured using measurer to film;Film seat drive mechanism can also be driving cylinder, electric pushrod etc. Some can export the drive mechanism of linearly operating;Certainly film seat driver part can not also set, and now left and right film seat can To be both secured on support, it is also possible to be wholely set, after the completion of film is heated, after pulling down on the right film seat of film again Measure;Film seat can not also adopt the form of gripping to film, say by bonding or fixing screws by film It is fixed on film seat;Base can not also set, and now support can be directly directed into movement and be assemblied on baking oven;Support and bottom There can not also be guiding relation between seat, when operating personnel push away support, grasp the moving direction of support, now base Can be not as this cigarette part of film shrink rate measurement apparatus;Corresponding drive mechanism can also be set and propped up to drive Frame is moved;Film seat can also be the support holder structure placed for film.

Claims (9)

1. a kind of cigarette film shrink rate measurement apparatus, including the baking oven for being provided with film import and export, it is characterised in that:Also wrap The support that can be moved back and forth with respect to baking oven is included, the film seat for connecting for respective films or placing is provided with support, support is past Have in multiple moving process and film seat Jing films are imported and exported the first working position for sending into baking oven and film seat is passed in and out by film The second working position that mouth is removed.
2. cigarette according to claim 1 film shrink rate measurement apparatus, it is characterised in that:Cigarette film shrink rate Measurement apparatus also include base, and baking oven is fixed on the base, and in left-right direction guiding movement is assemblied on base support, thin Film is imported and exported on the left side wall of baking oven.
3. cigarette according to claim 2 film shrink rate measurement apparatus, it is characterised in that:Support includes left socle portion Divide and be arranged at the right support part on left socle part right-hand member top, right support part is cantilever design, and film seat is arranged at the right side In holder part.
4. cigarette according to claim 2 film shrink rate measurement apparatus, it is characterised in that:Film seat includes using respectively In the left film seat and right film seat at connection film or so two ends, support includes left socle part and is arranged at the left socle part right side The right support part on end top, right support part is cantilever design, and right film seat is arranged on right support part, is arranged on support There is the film seat drive mechanism for being connected to drive left film seat to move left and right with left film seat.
5. cigarette according to claim 4 film shrink rate measurement apparatus, it is characterised in that:Left film seat is suspended in thin In film seat drive mechanism.
6. cigarette according to claim 4 film shrink rate measurement apparatus, it is characterised in that:Cigarette film shrink rate Measurement apparatus also include the displacement transducer for detecting left film seat displacement.
7. cigarette according to claim 5 film shrink rate measurement apparatus, it is characterised in that:Film seat drive mechanism bag Film seat driver part and the transmission mechanism being connected between film seat driver part and left film seat are included, on transmission mechanism String is provided with pulling force sensor.
8. film shrink rate measurement apparatus of the cigarette according to claim 4 ~ 7 any one, it is characterised in that:Left film Seat, right film seat prop the film and make to be formed between left film seat, right film seat on the downside of the film with it is described The downside heat conduction space that upside heat conduction space on the upside of film communicates.
9. cigarette according to claim 8 film shrink rate measurement apparatus, it is characterised in that:Under each film seat includes Cramping body and the film clamp is fixed upper cramping body for coordinating with lower cramping body.
CN201611225222.9A 2016-12-27 2016-12-27 Device for measuring hot-shrinkage rate of tobacco film Pending CN106645271A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611225222.9A CN106645271A (en) 2016-12-27 2016-12-27 Device for measuring hot-shrinkage rate of tobacco film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611225222.9A CN106645271A (en) 2016-12-27 2016-12-27 Device for measuring hot-shrinkage rate of tobacco film

Publications (1)

Publication Number Publication Date
CN106645271A true CN106645271A (en) 2017-05-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108152324A (en) * 2018-01-31 2018-06-12 彩虹显示器件股份有限公司 A kind of method tested glass and be heat-shrinked

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102621175A (en) * 2012-04-01 2012-08-01 广东中烟工业有限责任公司 Measurement device for thermal shrinkage ratio of pull wire

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102621175A (en) * 2012-04-01 2012-08-01 广东中烟工业有限责任公司 Measurement device for thermal shrinkage ratio of pull wire

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108152324A (en) * 2018-01-31 2018-06-12 彩虹显示器件股份有限公司 A kind of method tested glass and be heat-shrinked

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Application publication date: 20170510