CN103398906A - Device and method for testing stable strength of shrinkable film - Google Patents

Device and method for testing stable strength of shrinkable film Download PDF

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Publication number
CN103398906A
CN103398906A CN2013103163364A CN201310316336A CN103398906A CN 103398906 A CN103398906 A CN 103398906A CN 2013103163364 A CN2013103163364 A CN 2013103163364A CN 201310316336 A CN201310316336 A CN 201310316336A CN 103398906 A CN103398906 A CN 103398906A
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China
Prior art keywords
vertical
shrink film
push rod
vertical rod
rod
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CN2013103163364A
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Chinese (zh)
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CN103398906B (en
Inventor
黄镇荣
黄卫东
全明德
林城
朱俊华
陈喜阳
黄伟东
黄海军
莫应文
袁晓文
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DONGGUAN CITY ZHENGXIN PACKING PRODUCTS Co Ltd
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DONGGUAN CITY ZHENGXIN PACKING PRODUCTS Co Ltd
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Priority to CN201310316336.4A priority Critical patent/CN103398906B/en
Publication of CN103398906A publication Critical patent/CN103398906A/en
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Abstract

The invention relates to the technical field of testing and particularly relates to a device and a method for testing the stable strength of a shrinkable film. The device comprises a transverse rod, two longitudinal rods, two stand rods, a push rod and an angle gauge, wherein the two longitudinal rods are arranged on the transverse rod and are vertical to the transverse rod respectively; the two stand rods are arranged on the two longitudinal rods respectively and are vertical to a plane of the transverse rod and the longitudinal rods; the push rod is used for connecting the two stand rods; the angle gauge is used for detecting rotary angles of the stand rods; the longitudinal rods are fixedly connected with the transverse rod; the stand rods are movably connected with the longitudinal rods; the push rod is fixedly connected with the stand rods. The method comprises the following steps of: putting the shrinkable film needing to be tested on the product to carry out bundling and shrinking to obtain a test sample to be detected; putting the test sample to be detected in a region encircled by the transverse rod, the longitudinal rods, the stand rods and the push rod; adjusting the positions of the longitudinal rods, the stand rods and the push rod to align the positions to all the sides of the test sample to be detected; pushing the push rod by a constant thrust to incline the test sample to be detected towards the transverse rod; driving the stand rods to rotate by the push rod and reading the rotary angles of the stand rods from the angle gauge; judging whether the stable strength of the shrinkable film is qualified or not according to the magnitude of the thrust and the rotary angles of the stand rods.

Description

A kind of shrink film securement strength proving installation and method of testing thereof
Technical field
The present invention relates to technical field of measurement and test, be specifically related to a kind of shrink film securement strength proving installation and method of testing thereof.
Background technology
Shrink film is a kind of orientation that is stretched in process of production, and the thermoplastic film who in use is subjected to thermal shrinkage.The heat-shrinkable of film just obtained application as far back as 1936, mainly with rubber film, take the putrefactive food of shrink wrapping at first.nowadays, heat shrinkage techniques has developed into almost can pack extensive stock with shrink film, as food, medicine, sterilizing dinnerware, stationery sports goods, process gift, printed matter, the five metals plastic products, telephone set, the external packing of the various products of electronic apparatus etc., especially aspect combined type (boundling) packing of anomalistic object article or commodity, the protection against the tide that can meet commodity is dustproof, touch-proof, the functions such as transparent display, can increase the product appearance attractive force again, also can be used for replacing all kinds of cartons, not only save packing cost, and meet the packing trend, these products all bring great convenience to people's life.
Shrink film is used for sale and the transportation of various products, and its Main Function is firmly, hides and the protection product.Securement strength is an important test index of shrink film, at present, for shrink film securement strength method of testing is: first with shrink film, be packaged on product,, then by the push-and-pull product, by virtue of experience go to test the securement strength of shrink film.The method can not be quantitative the securement strength of test shrink film, error is large, and not yet have specially for proving installation and the method for testing of shrink film test intensity, research and develop therefore that a kind of precision is higher, the shrink film securement strength proving installation of processing ease and method of testing seem particularly important.
Summary of the invention
, in order to overcome the shortcoming and defect that exists in prior art, the object of the present invention is to provide a kind of precision shrink film securement strength proving installation higher, simple in structure.
Another object of the present invention is to provide that a kind of precision is higher, the shrink film securement strength method of testing of processing ease.
Purpose of the present invention is achieved through the following technical solutions: a kind of shrink film securement strength proving installation, it comprises cross bar, be arranged at cross bar and two vertical poles vertical with cross bar respectively, be arranged at respectively two vertical poles and two vertical rods vertical with the plane at cross bar, vertical pole place, connect the push rod of two vertical rods and for detection of the angle gauge of the vertical rod anglec of rotation; Vertical pole is fixedly connected with cross bar, and vertical rod and vertical pole are flexibly connected, and push rod is fixedly connected with vertical rod.
Further, also comprise thrust meter, described push rod middle part offers the locating slot that matches with the front end of thrust meter; The top of described push rod is provided with baffle plate, and baffle plate is fixedly connected with push rod.
Further, also comprise holder, an end of holder is fixedly connected with vertical pole, and the other end of holder and vertical rod are flexibly connected; Described angle gauge is arranged at holder, and angle gauge is fixedly connected with holder; The position of described vertical rod corresponding angle meter is provided with index line.
Further, described vertical pole offers be used to the sliding tray of regulating described vertical rod position; Described vertical rod offers be used to the bar hole of regulating described push rod position.
Further, described cross bar offers some the first mounting holes for fixing described vertical pole, and described push rod offers some the second mounting holes for fixing described push rod.
Another object of the present invention is achieved through the following technical solutions: a kind of method of testing of shrink film securement strength proving installation comprises the steps:
A, preparation sample: will need the shrink film of testing to carry out boundling on product and shrink, and obtain sample to be tested;
B, placement sample: sample to be tested is positioned over the zone that cross bar, vertical pole, vertical rod and push rod surround, regulates the position of vertical pole, vertical rod and push rod, it is alignd with each limit of sample to be tested;
C, test sample: promote push rod with constant thrust, sample to be tested tilts to the cross bar direction, and push rod drives the vertical rod rotation, reads the anglec of rotation of vertical rod from angle gauge;
D, judgement sample:, according to the size of thrust and the anglec of rotation of vertical rod, judge whether the securement strength of shrink film is qualified.
Further, described step B is specially: sample to be tested is positioned over the zone that cross bar, vertical pole, vertical rod and push rod surround, cross bar props up the long limit of sample to be tested, regulate the position of vertical pole, vertical rod and push rod, vertical pole is alignd with the broadside of sample to be tested, vertical rod is alignd with the flash of sample to be tested, and push rod aligns with the end face of sample to be tested.
Further, in described step D, according to the size of thrust and the anglec of rotation of vertical rod, whether the securement strength that judges shrink film qualified being specially: when the size of the thrust of using is 50 ~ 200N, if the anglec of rotation of vertical rod is less than or equal to 6 °, the securement strength of judgement shrink film is qualified; If the anglec of rotation of vertical rod is greater than 6 °, the securement strength of judgement shrink film is defective.
Further, in described step D, according to the size of thrust and the anglec of rotation of vertical rod, whether the securement strength that judges shrink film qualified being specially: when the size of the thrust of using during as 70N, if the anglec of rotation of vertical rod is less than or equal to 4 °, the securement strength of judgement shrink film is qualified; If the anglec of rotation of vertical rod is greater than 4 °, the securement strength of judgement shrink film is defective.
Further, in described step D, according to the size of thrust and the anglec of rotation of vertical rod, whether the securement strength that judges shrink film qualified being specially: when the size of the thrust of using during as 150N, if the anglec of rotation of vertical rod is less than or equal to 6 °, the securement strength of judgement shrink film is qualified; If the anglec of rotation of vertical rod is greater than 6 °, the securement strength of judgement shrink film is defective.
Beneficial effect of the present invention is: proving installation of the present invention and method of testing can be used for the securement strength of test shrink film, solved in the prior art and can not carry out the problem of quantitative test to the securement strength of shrink film, greatly improved the measuring accuracy of shrink film securement strength.Proving installation of the present invention is simple in structure, easy to use, practical.Method of testing measuring accuracy of the present invention is higher, processing ease, cost are low.
Description of drawings:
Fig. 1 is perspective view of the present invention.
Reference numeral is:
1---cross bar 11---first mounting hole
2---vertical pole 21---holder
22---sliding tray 3---vertical rod
31---index line 32---bar hole
4---push rod 41---locating slot
42---baffle plate 43---second mounting hole
5---angle gauge.
Embodiment:
For the ease of those skilled in the art's understanding, the present invention is further illustrated below in conjunction with embodiment and Fig. 1, and the content that embodiment is mentioned not is limitation of the invention.
Embodiment 1
A kind of shrink film securement strength proving installation, comprise cross bar 1, be arranged at cross bar 1 and two vertical poles 2 vertical with cross bar 1 respectively, be arranged at respectively two vertical poles 2 and two vertical rods 3 vertical with the plane at cross bar 1, vertical pole 2 places, connect two vertical rods 3 push rod 4, be arranged at the baffle plate 42 at push rod 4 tops and for detection of the angle gauge 5 of vertical rod 3 anglecs of rotation; Vertical pole 2 is fixedly connected with cross bar 1, and vertical rod 3 is flexibly connected with vertical pole 2, and push rod 4 is fixedly connected with vertical rod 3, and baffle plate 42 is fixedly connected with push rod 4;
Proving installation of the present invention also comprises thrust meter, and push rod 4 offers the locating slot 41 that matches with the front end of thrust meter.Thrust is counted the NK-200N thrust meter, being provided for to constant thrust of sample to be tested of thrust meter, and can accurately show the numerical value of thrust, improve measuring accuracy.
The top of described push rod 4 is provided with baffle plate 42, and baffle plate 42 is fixedly connected with push rod 4.Baffle plate 42 is placed on the sample to be tested top, guarantees that push rod 4 is concordant with the sample to be tested top.
Proving installation of the present invention also comprises holder 21, and an end of holder 21 is fixedly connected with vertical pole 2, and the other end of holder 21 and vertical rod 3 are flexibly connected.The rotation of the fixing and other end of an end that is provided for vertical rod 3 of holder 21.
Described angle gauge 5 is arranged at holder 21, and angle gauge 5 is fixedly connected with holder 21.The anglec of rotation that is provided for measuring vertical rod 3 of angle gauge 5.
The position of described vertical rod 3 corresponding angle meters 5 is provided with index line 31.The anglec of rotation that is provided for indicating vertical rod 3 of index line 31.
In the present embodiment, described vertical pole 2 offers be used to the sliding tray 22 of regulating described vertical rod 3 positions.Holder 21 passes sliding tray 22 by screw rod and is fixedly connected with vertical pole 2, and the present invention that is arranged so that of sliding tray 22 can be according to the front and back position of the width adjusting vertical rod 3 of sample to be tested.
Described vertical rod 3 offers be used to the bar hole 32 of regulating described push rod 4 positions.Push rod 4 passes bar hole 32 by screw rod and is fixedly connected with vertical rod 3, and bar hole 32 makes the present invention can be according to the upper-lower position of the height regulating pushing rod 4 of sample to be tested.
In the present embodiment, described cross bar 1 offers some the first mounting holes 11 for fixing described vertical pole 2.Vertical pole 2 passes the first mounting hole 11 by screw rod and is fixedly connected with cross bar 1, and the present invention that is arranged so that of the first mounting hole 11 can be according to the position, left and right of the length adjustment vertical pole 2 of sample to be tested.
Described push rod 4 offers some the second mounting holes 43 for fixing described push rod 4.The present invention that is arranged so that of the second mounting hole 43 can be according to the position, left and right of the length adjustment push rod 4 of sample to be tested.
A kind of shrink film securement strength method of testing, comprise the steps:
A, preparation sample: will need the shrink film of testing to carry out boundling on product and shrink, and obtain sample to be tested;
B, placement sample: sample to be tested is positioned over the zone that cross bar 1, vertical pole 2, vertical rod 3 and push rod 4 surround, regulates the position of vertical pole 2, vertical rod 3 and push rod 4, it is alignd with each limit of sample to be tested;
C, test sample: promote push rod 4 with constant thrust, sample to be tested tilts to cross bar 1 direction, and push rod drives vertical rod 3 rotations, reads the anglec of rotation of vertical rod 3 from angle gauge 5;
D, according to the size of thrust and the anglec of rotation of vertical rod 3, judge whether the securement strength of shrink film qualified.
In the present embodiment, described step B is specially: sample to be tested is positioned over the zone that cross bar 1, vertical pole 2, vertical rod 3 and push rod 4 surround, cross bar 1 props up the long limit of sample to be tested, regulate the position of vertical pole 2, vertical rod 3 and push rod 4, vertical pole 2 is alignd with the broadside of sample to be tested, vertical rod 3 is alignd with the flash of sample to be tested, and push rod 4 aligns with the end face of sample to be tested, and baffle plate 42 is fitted with the end face of sample to be tested.
In the present embodiment, in described step D, according to the size of thrust and the anglec of rotation of vertical rod 3, whether the securement strength that judges shrink film qualified being specially: when the size of the thrust of using is 50 ~ 200N, if the anglec of rotation of vertical rod 3 is less than or equal to 6 °, the securement strength of judgement shrink film is qualified; If the anglec of rotation of vertical rod 3 is greater than 6 °, the securement strength of judgement shrink film is defective.
Embodiment 2
The difference of the present embodiment and embodiment 1 is: in described step D, according to the size of thrust and the anglec of rotation of vertical rod 3, whether the securement strength that judges shrink film qualified being specially: when the size of the thrust of using during as 70N, if the anglec of rotation of vertical rod 3 is less than or equal to 4 °, the securement strength of judgement shrink film is qualified; If the anglec of rotation of vertical rod is greater than 4 °, the securement strength of judgement shrink film is defective.
Particularly, after with the shrink film just produced, capacity being carried out boundling less than the bottled drink of 1L, sample to be tested is under 70N thrust, if the anglec of rotation of vertical rod 3 is less than or equal to 2 °, the securement strength of judgement shrink film is qualified; If the anglec of rotation of vertical rod 3 is greater than 2 °, the securement strength of judgement shrink film is defective.After with shrink film, capacity being carried out boundling less than the bottled drink of 1L, test before shipment, under 70N thrust, if the anglec of rotation of vertical rod 3 is less than or equal to 4 °, the securement strength of judgement shrink film is qualified; If the anglec of rotation of vertical rod 3 is greater than 4 °, the securement strength of judgement shrink film is defective.
Embodiment 3
The difference of the present embodiment and embodiment 1 is: in described step D, according to the size of thrust and the anglec of rotation of vertical rod 3, whether the securement strength that judges shrink film qualified being specially: when the size of the thrust of using during as 150N, if the anglec of rotation of vertical rod 3 is less than or equal to 6 °, the securement strength of judgement shrink film is qualified; If the anglec of rotation of vertical rod is greater than 6 °, the securement strength of judgement shrink film is defective.
Particularly, after with the shrink film just produced, capacity being carried out boundling greater than the bottled drink of 1.25L, sample to be tested is under 150N thrust, if the anglec of rotation of vertical rod 3 is less than or equal to 4 °, the securement strength of judgement shrink film is qualified; If the anglec of rotation of vertical rod 3 is greater than 4 °, the securement strength of judgement shrink film is defective.After with shrink film, capacity being carried out boundling greater than the bottled drink of 1.25L, test before shipment, under 150N thrust, if the anglec of rotation of vertical rod 3 is less than or equal to 6 °, the securement strength of judgement shrink film is qualified; If the anglec of rotation of vertical rod 3 is greater than 6 °, the securement strength of judgement shrink film is defective.
Above-described embodiment is the better implementation of the present invention, in addition, all right alternate manner realization of the present invention, any apparent replacement is all within protection scope of the present invention without departing from the inventive concept of the premise.

Claims (10)

1. shrink film securement strength proving installation, it is characterized in that: it comprises cross bar, be arranged at cross bar and two vertical poles vertical with cross bar respectively, be arranged at respectively two vertical poles and two vertical rods vertical with the plane at cross bar, vertical pole place, connect the push rod of two vertical rods and for detection of the angle gauge of the vertical rod anglec of rotation; Vertical pole is fixedly connected with cross bar, and vertical rod and vertical pole are flexibly connected, and push rod is fixedly connected with vertical rod.
2. a kind of shrink film securement strength proving installation according to claim 1, is characterized in that: also comprise thrust meter, offer the locating slot that matches with the front end of thrust meter in the middle part of described push rod; The top of described push rod is provided with baffle plate, and baffle plate is fixedly connected with push rod.
3. a kind of shrink film securement strength proving installation according to claim 1, it is characterized in that: also comprise holder, an end of holder is fixedly connected with vertical pole, and the other end of holder and vertical rod are flexibly connected; Described angle gauge is arranged at holder, and angle gauge is fixedly connected with holder; The position of described vertical rod corresponding angle meter is provided with index line.
4. a kind of shrink film securement strength proving installation according to claim 1, it is characterized in that: described vertical pole offers be used to the sliding tray of regulating described vertical rod position; Described vertical rod offers be used to the bar hole of regulating described push rod position.
5. a kind of shrink film securement strength proving installation according to claim 1 is characterized in that: described cross bar offers some the first mounting holes for fixing described vertical pole, and described push rod offers some the second mounting holes for fixing described push rod.
6. the method for testing of a kind of shrink film securement strength proving installation as described in claim 1 ~ 5 any one, is characterized in that: comprise the steps:
A, preparation sample: will need the shrink film of testing to carry out boundling on product and shrink, and obtain sample to be tested;
B, placement sample: sample to be tested is positioned over the zone that cross bar, vertical pole, vertical rod and push rod surround, regulates the position of vertical pole, vertical rod and push rod, it is alignd with each limit of sample to be tested;
C, test sample: promote push rod with constant thrust, sample to be tested tilts to the cross bar direction, and push rod drives the vertical rod rotation, reads the anglec of rotation of vertical rod from angle gauge;
D, judgement sample:, according to the size of thrust and the anglec of rotation of vertical rod, judge whether the securement strength of shrink film is qualified.
7. a kind of shrink film securement strength method of testing according to claim 6, it is characterized in that: described step B is specially: sample to be tested is positioned over the zone that cross bar, vertical pole, vertical rod and push rod surround, cross bar props up the long limit of sample to be tested, regulate the position of vertical pole, vertical rod and push rod, vertical pole is alignd with the broadside of sample to be tested, vertical rod is alignd with the flash of sample to be tested, and push rod aligns with the end face of sample to be tested.
8. a kind of shrink film securement strength method of testing according to claim 6, it is characterized in that: in described step D, according to the size of thrust and the anglec of rotation of vertical rod, whether the securement strength that judges shrink film qualified being specially: when the size of the thrust of using is 50 ~ 200N, if the anglec of rotation of vertical rod is less than or equal to 6 °, the securement strength of judgement shrink film is qualified; If the anglec of rotation of vertical rod is greater than 6 °, the securement strength of judgement shrink film is defective.
9. a kind of shrink film securement strength method of testing according to claim 8, it is characterized in that: in described step D, according to the size of thrust and the anglec of rotation of vertical rod, whether the securement strength that judges shrink film qualified being specially: when the size of the thrust of using during as 70N, if the anglec of rotation of vertical rod is less than or equal to 4 °, the securement strength of judgement shrink film is qualified; If the anglec of rotation of vertical rod is greater than 4 °, the securement strength of judgement shrink film is defective.
10. a kind of shrink film securement strength method of testing according to claim 8, it is characterized in that: in described step D, according to the size of thrust and the anglec of rotation of vertical rod, whether the securement strength that judges shrink film qualified being specially: when the size of the thrust of using during as 150N, if the anglec of rotation of vertical rod is less than or equal to 6 °, the securement strength of judgement shrink film is qualified; If the anglec of rotation of vertical rod is greater than 6 °, the securement strength of judgement shrink film is defective.
CN201310316336.4A 2013-07-25 2013-07-25 Device and method for testing stable strength of shrinkable film Active CN103398906B (en)

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CN103398906B CN103398906B (en) 2015-04-29

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106769553A (en) * 2017-01-21 2017-05-31 惠科股份有限公司 Impact strength testing device, method and system for shrink film

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Publication number Priority date Publication date Assignee Title
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CN102645372A (en) * 2012-05-18 2012-08-22 北京大学 Bubbling experiment device for mechanical-electric-magnetic coupling behavior of electromagnetic intelligent material and test method
CN203376214U (en) * 2013-07-25 2014-01-01 东莞市正新包装制品有限公司 Steadiness strength test device of shrinkage film

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Publication number Priority date Publication date Assignee Title
CN1068425A (en) * 1991-07-01 1993-01-27 中国科学院金属研究所 Method and device for detecting membrane/base bonding strength
US5184517A (en) * 1991-11-01 1993-02-09 Robert Kelzer Printed circuit board test fixture and method
CN102645372A (en) * 2012-05-18 2012-08-22 北京大学 Bubbling experiment device for mechanical-electric-magnetic coupling behavior of electromagnetic intelligent material and test method
CN203376214U (en) * 2013-07-25 2014-01-01 东莞市正新包装制品有限公司 Steadiness strength test device of shrinkage film

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106769553A (en) * 2017-01-21 2017-05-31 惠科股份有限公司 Impact strength testing device, method and system for shrink film
CN106769553B (en) * 2017-01-21 2019-06-21 惠科股份有限公司 Impact strength testing device, method and system for shrink film

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