CN102305848A - Device and method for testing crease recovery of fabrics - Google Patents
Device and method for testing crease recovery of fabrics Download PDFInfo
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- CN102305848A CN102305848A CN201110242126A CN201110242126A CN102305848A CN 102305848 A CN102305848 A CN 102305848A CN 201110242126 A CN201110242126 A CN 201110242126A CN 201110242126 A CN201110242126 A CN 201110242126A CN 102305848 A CN102305848 A CN 102305848A
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Abstract
The invention relates to a device and a method for testing the crease recovery of fabrics. The conventional test method has a poor effect. The device comprises a detection platform, a camera mechanism and a fabric creasing device, wherein the fabric creasing device is arranged on the detection platform; the camera mechanism is arranged above the fabric creasing device; the detection platform is a plate with a smooth surface; a movable circular baffle plate is arranged in the center of the plate; the fabric creasing device comprises a cylinder and a hollow transparent glass pipe; the diameter of the hollow transparent glass pipe is greater than that of the cylinder; an opening is formed at one end of the hollow transparent glass pipe; and two mark lines are formed on the circumferential lateral surface which is close to the opening end. The device is simple and convenient and has a good simulation effect.
Description
Technical field
The invention belongs to textile garment performance test field, relate in particular to a kind of device and method that fabric is carried out the crease recovery property testing.
Background technology
Wrinkle resistance is meant in clothes or the fabric opposing wearing process that owing to rub the performance that produces the wrinkle phenomenon, it is the key factor that determines the fabric visual sense of beauty.With the clothes that the fabric of wrinkle resistance difference is made, wrinkling easily in wearing process, have a strong impact on apparel appearance, reduce the clothes class, also can influence wearer's mood simultaneously.Therefore the fabric pincher recovery is carried out correct test and estimates just seeming extremely important.
The method of testing of the fabric pincher recovery of national standard " GB3819-1997 " regulation is folding and apply certain weight in the fabric warp-wise that will be cut into the regulation shape or broadwise, presses and puts test returns angle behind the certain hour.The problem of this method of testing is that tested fabric is subjected to force direction single, and fabric only bears the external force of a direction, and multi-angle when wearing with clothes are actual, multi-faceted complicated applied force deviation are bigger.Especially with convexities such as knee, ancon and be easy to generate the wrinkle position stressed very big-difference arranged.
About the evaluation of wrinkle resistance in fabrics, the method that extensively adopts both at home and abroad mainly is divided into two types now: subjective method and objective method.
The subjective assessment ratio juris is that Wrinkle fabric and standard sample are compared to confirm the crease-resistant grade of fabric according to AATCC128-2003, and test result representes that with DP it is five grades that this kind photograph is divided into, and 1 grade the poorest, and 5 grades best.The major defect of this method is to adopt the subjective judgement of people's naked eyes to come the wrinkle situation of fabric is estimated, and deviation is bigger, especially reaches 3.5 when above in DP value, and the difference between the appearance photograph is little, and the judgement difficulty of getting up is bigger.In addition, also be subjected to the influence of other subjective and objective factors easily,, all can very big influence be arranged, and this standard sample according to the price is also very expensive evaluation result like color etc. like judgement person's experienced degree, indoor light, fabric face situation.
Objective evaluation is to utilize various instrument and equipments, according to approved standard, the wrinkle situation of fabric is estimated.The objective evaluation that the most extensively adopts is the crease recovery horn cupping at present, and corresponding standard has GB/T3819-1997 and AATCC66-2003.The test philosophy of these two kinds of standards is identical, and difference is that the load of AATCC employing is adjustable, and GB/T3819-1997 is non-adjustable.A shortcoming that adopts creasy recovery angle is two limit out-of-flatnesses when fabric, and when distortion was arranged, when the sample after promptly wrinkling was not simple two planes, the identification creasy recovery angle is difficulty very, and error also can be bigger.In addition, another shortcoming of this method is that its test result and actual conditions differ greatly.Because the wrinkle that clothes produce in actual wearing process are multi-direction and nondirectional; The wrinkle form also normally three-dimensional, multi-angle; And creasy recovery angle has only reflected the crease-resistant situation of a direction of fabric, therefore may not necessarily accurately reflect the actual wrinkling performance of fabric.
Summary of the invention
The objective of the invention is to the problem that exists in the above test fabric crease recovery, propose a kind of simple to operate, proving installation and the method that can simulate wrinkling form in the actual wearing process of clothes preferably.
The objective of the invention is to realize through following technical scheme: a kind of fabric pincher recovery method of testing, it may further comprise the steps:
Fabric to be measured is cut into given size, press smooth after, lie in the assigned position of monitor station, with the image mechanism that is positioned at directly over the pick-up unit fabric before wrinkling is taken pictures;
After having taken pictures, fabric is put into the wrinkling device that can simulate clothes knee, the wrinkling form of ancon on the monitor station carry out wrinkling processing.After the wrinkling end, make under action of gravity, hang the naturally placement location of tested fabric regulation on the monitor station plane of fabric, with digital camera the fabric shape after wrinkling is taken pictures once more;
Respectively with take in above-mentioned two steps wrinkling before, textile image after wrinkling imports the AutoCAD image processing software; Area query function with this software; Ask for respectively wrinkling before, the fabric area after wrinkling; And calculate the ratio of two areas, recently estimate the crease recovery ability of fabric with this area.
A kind of device of method of testing as stated of realizing comprises monitor station, image mechanism and cockline device, is placed with the cockline device on the monitor station, is provided with image mechanism directly over the cockline device;
Described monitor station is to show smooth flat board; But dull and stereotyped center is provided with the circular baffle plate of a folding; Be placed with the cockline device on the circular baffle plate; Said baffle plate is provided with the cylindrical protrusions that is used for the setting circle cylinder towards the circle centre position of cockline device one side; But the circular baffle plate bearing of folding is connected with detection table top hinge; Be provided with movable place along the relative side of baffle plate circumferencial direction bearing, movable place is connected with the detection table top through locked part;
Described cockline device comprises right cylinder and hollow transparent glass tube.Said cylindrical diameter is less than the circular baffle plate diameter on the monitor station, and cylindrical upper surface home position is provided with the needle-like convexity that is used to locate fabric to be measured; Cylindrical lower surface home position is provided with a cylinder shape groove, and described cylinder shape groove cooperates with cylindrical protrusions on the baffle plate;
The diameter of described hollow transparent glass tube is greater than cylinder diameter; One end of hollow transparent glass tube is open; Circumference side near the open end is provided with two mark lines; Be respectively bungee placement location mark line and hollow transparent glass tube witness marker line, described hollow transparent glass tube witness marker line is positioned at the top of bungee placement location mark line;
Described image mechanism is to bring into focus and resolution is not less than the digital camera of 1000 pixels.
Utilize above-mentioned wrinkling device to be: the circular baffle plate on the monitor station to be closed, and right cylinder is placed on the assigned position of circular baffle plate, make the cylindrical protrusions of the groove alignment circular baffle plate of right cylinder lower surface to the process of cockline.Then the fabric sample that cuts is placed on the right cylinder upper surface, and makes the needle-like convexity of the clip aligning right cylinder upper surface of fabric circle centre position.Again disposable bungee is enclosed within the bungee placement location mark line place, bottom of glass tube; Slowly move the glass tube that is with bungee then; Make it place the right cylinder top that is placed with fabric sample; And move down gradually; When the witness marker line of glass tube is concordant with the right cylinder upper surface; Stop to move glass tube, will be enclosed within the bungee at bungee placement location mark line place on the glass tube again and slowly back off this moment, and make the bungee landing and be enclosed within around the sample that places the right cylinder upper surface.Keep this wrinkling state after 5 minutes, bungee is cut off, open the locked part of circular baffle plate again, make right cylinder hang naturally from the circular baffle plate of opening with scissors.Fabric sample after wrinkling like this just rests on the cylindrical position of original placement on the monitor station.After wrinkling 30 seconds and 5 minutes rapidly with camera from directly over take the aspect graph picture of fabric once more; And will take wrinkling before, the fabric shape image after wrinkling imports the AutoCAD image processing software; Area query function with this software; Ask for respectively wrinkling before, the fabric area after wrinkling; And calculate the ratio of two areas, recently estimate the crease recovery ability of fabric with this area.Need to prove that this device and method is fit to the comparatively crease recovery of stiffening lining of test.
The invention has the beneficial effects as follows: the fabric pincher recovery angle that can only survey single direction to existing fabric pincher recovery method of testing; The wrinkling morphological differences that wrinkling form and clothes are actual when wearing is bigger; And creasy recovery angle identification difficulty, the shortcoming that reading error is big; The wrinkling device that design one cover can be simulated wrinkle form when clothes are actual to be worn; And through the wrinkling forward and backward image of picked-up; Calculate and to reflect the comprehensive crease-resistant ability assessment index of fabric, have beneficial effects such as simple and convenient, that simulated effect is good.
Description of drawings
Fig. 1 is a fabric pincher recovery proving installation structural representation;
Fig. 2 is the fabric synoptic diagram in the wrinkling process;
Fig. 3 is the wrinkling 30 seconds fabric vertical views after the end;
Fig. 4 is the wrinkling 5 minutes fabric vertical views after the end.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
The related device of fabric pincher recovery method of testing among the present invention comprises monitor station 1, circular baffle plate 2, right cylinder 3, hollow transparent glass tube 4, digital camera 5 and support 6 as shown in Figure 1.Monitor station 1 is the square flat board of 40 ㎝ for the ganoid length of side; The center of monitor station is provided with the circular baffle plate 2 that a diameter is 5 ㎝, thick 1.5 ㎝; The upper surface circle centre position of circular baffle plate has a cylindrical protrusions; Circular baffle plate bearing is connected with detection table top hinge; Be provided with movable place along a baffle plate circumferencial direction side relative with bearing; Movable place is connected with the detection table top through locked part; Circular baffle plate can be in the state of opening or closing like this; And when being in closed condition, the upper surface of circular baffle plate is concordant with the monitor station upper surface.Circular baffle plate all is in closed condition before cockline and in the wrinkling process, has only when cockline is finished just to be in when taking pictures open mode.
The diameter of right cylinder 3 is that 4 ㎝, height are 6 ㎝; And its upper surface home position has a needle-like convexity that is used to locate tested fabric 7; Cylindrical upper surface is used for placing tested fabric; Cylindrical lower surface home position has a cylinder shape groove, and the groove of right cylinder 3 is meshed with the cylindrical protrusions of circular baffle plate 2 in the wrinkling process.The diameter of hollow transparent glass tube 4 and length are 6 centimetres, and thickness is 0.3 ㎝, and apart from lower limb 1 ㎝ place, around glass tube, a glass tube witness marker line 8 are arranged; Apart from lower limb 0.5 ㎝ place, around glass tube, a bungee placement location mark line 9 is arranged.The digital camera 5 of bringing into focus is fixed on the monitor station 1 through support 6, and be positioned at circular baffle plate 2 directly over 50 ㎝ places.
Fabric pincher recovery method of testing of the present invention may further comprise the steps:
(1) will press good tested fabric 7 and be cut into the circle that diameter is 10 ㎝, and make a call to a little clip at the circle centre position of fabric.Tested fabric 7 is placed on the circular baffle plate 2 that is in closed condition on the monitor station 1, and makes the cylindrical protrusions of the clip position alignment circular baffle plate 2 on the fabric, take pictures with 5 pairs of wrinkling preceding fabrics of digital camera;
(2) take tested fabric 7 away, right cylinder 3 is placed on the circular baffle plate 2, and cylindrical groove is meshed with the cylindrical protrusions of circular baffle plate.Tested fabric is placed on cylindrical upper surface, and makes the needle-like convexity of the clip aligning right cylinder upper surface of fabric circle centre position.Disposable bungee 10 is enclosed within on the bungee placement location mark line 9 of glass tube 4 again;
(3) glass tube 4 that will be with bungee slowly places right cylinder 3 tops that are placed with tested fabric 7; And move down gradually; When the upper surface with right cylinder 3 of glass tube witness marker line 8 is concordant; Stop to move glass tube; To be enclosed within the bungee 10 of bungee placement location mark line 9 again and slowly back off this moment; Make bungee 10 landings and be enclosed within around the tested fabric 7 that places on the right cylinder, like Fig. 2;
(4) keep this wrinkling state after 5 minutes; With scissors the bungee on the tested fabric 10 is cut off; Open the locked part of circular baffle plate 2 again; Make right cylinder 3 hang naturally from the circular baffle plate of opening, the tested fabric after wrinkling so just rests on places cylindrical position originally on the monitor station;
(5) after wrinkling 30 seconds and 5 minutes rapidly with digital camera 5 from directly over take fabric the wrinkle form, as the anxious elasticity elasticity crease recovery image that eases up, see Fig. 3 and Fig. 4 respectively respectively;
(6) the gentle elasticity crease recovery image of anxious elasticity crease recovery image that obtains in image, the step 5 before the cockline that obtains in the step 1 is imported AutoCAD software respectively; And utilize the area query function of this software; Ask for the elemental area of the gentle elasticity crease recovery image of elemental area of the elemental area of the preceding image of cockline, anxious elasticity crease recovery image respectively; Calculate the gentle elasticity crease recovery rate of the anxious elasticity crease recovery rate of fabric respectively through following formula at last, these two the big more explanation fabric pincher of response rate recovery capacity are good more.
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Being preferred embodiment of the present invention only in sum, is not to be used for limiting practical range of the present invention.Be that all equivalences of doing according to the content of claim of the present invention change and revision, be technology category of the present invention.
Claims (2)
1. a fabric pincher recovery proving installation comprises monitor station, image mechanism and cockline device, is placed with the cockline device on the monitor station, is provided with image mechanism directly over the cockline device;
Described monitor station is to show smooth flat board; But dull and stereotyped center is provided with the circular baffle plate of a folding; Be placed with the cockline device on the circular baffle plate; Said baffle plate is provided with the cylindrical protrusions that is used for the setting circle cylinder towards the circle centre position of cockline device one side; But the circular baffle plate bearing of folding is connected with detection table top hinge; Be provided with movable place along a baffle plate circumferencial direction side relative with bearing, movable place is connected with the detection table top through locked part;
Described cockline device comprises right cylinder and hollow transparent glass tube;
Said cylindrical diameter is less than the circular baffle plate diameter on the monitor station, and cylindrical upper surface home position is provided with the needle-like convexity that is used to locate fabric to be measured; Cylindrical lower surface home position is provided with a cylinder shape groove, and described cylinder shape groove cooperates with cylindrical protrusions on the baffle plate;
The diameter of described hollow transparent glass tube is greater than cylinder diameter; One end of hollow transparent glass tube is open; Circumference side near the open end is provided with two mark lines; Be respectively bungee placement location mark line and hollow transparent glass tube witness marker line, described hollow transparent glass tube witness marker line is positioned at the top of bungee placement location mark line;
Described image mechanism is to bring into focus and resolution is not less than the digital camera of 1000 pixels.
2. fabric pincher recovery method of testing is characterized in that this method may further comprise the steps:
Step 1. will press good tested fabric and be cut into circle, and make a call to a little clip at the circle centre position of fabric; Again tested fabric is placed on the circular baffle plate that is in closed condition on the monitor station, and makes the cylindrical protrusions of the clip position alignment circular baffle plate on the fabric, with digital camera the fabric before wrinkling is taken pictures at last;
Step 2. is taken tested fabric away, right cylinder is placed on the circular baffle plate, and cylindrical groove is meshed with the cylindrical protrusions of circular baffle plate; Then tested fabric is placed on cylindrical upper surface, and makes the needle-like convexity of the clip aligning right cylinder upper surface of fabric circle centre position, at last disposable bungee is enclosed within on the bungee placement location mark line of glass tube;
The glass tube that step 3. will be with bungee slowly places the right cylinder top that is placed with tested fabric; And move down gradually; When the witness marker line of glass tube is concordant with cylindrical last plane; Stop to move glass tube; The bungee that will be enclosed within on the glass tube this moment is more slowly backed off; Make the bungee landing and be enclosed within around the tested fabric that places on the right cylinder, make tested fabric be in wrinkling state;
Step 4. was kept this wrinkling state after 5 minutes; With scissors the bungee on the tested fabric is cut off; Open the locked part of circular baffle plate again; Make right cylinder hang naturally from the circular baffle plate of opening, the tested fabric after wrinkling so just rests on places cylindrical position originally on the monitor station;
Step 5. after wrinkling 30 seconds and 5 minutes rapidly with digital camera from directly over take fabric the wrinkle form, respectively as the gentle elasticity crease recovery aspect graph picture of anxious elasticity crease recovery aspect graph picture;
The gentle elasticity crease recovery image of anxious elasticity crease recovery image that step 6. obtains in the image, step 5 before with the cockline that obtains in the step 1 imports AutoCAD software respectively; And utilize the area query function of this software; Ask for the elemental area of the gentle elasticity crease recovery image of elemental area of the elemental area of the preceding image of cockline, anxious elasticity crease recovery image respectively; Calculate the gentle elasticity crease recovery rate of the anxious elasticity crease recovery rate of fabric respectively through following formula at last, the gentle big more explanation fabric pincher of the elasticity crease recovery rate recovery capacity of anxious elasticity is good more;
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| CN201110242126.6A CN102305848B (en) | 2011-08-23 | 2011-08-23 | Device and method for testing crease recovery of fabrics |
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| CN201110242126.6A CN102305848B (en) | 2011-08-23 | 2011-08-23 | Device and method for testing crease recovery of fabrics |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102768269A (en) * | 2012-07-26 | 2012-11-07 | 浙江理工大学 | Novel fabric wrinkling device and wrinkle resistance test method |
| CN102998253A (en) * | 2012-12-12 | 2013-03-27 | 江南大学 | Dynamic measurement and characterization method of fabric wrinkle recovery angle |
| CN105258656A (en) * | 2015-10-27 | 2016-01-20 | 浙江理工大学 | Washed fabric twisted flatness testing device and method |
| CN106198937A (en) * | 2016-07-19 | 2016-12-07 | 江南大学 | A kind of dynamic evaluation method of crease recovery properties of woven fabrics |
| CN107064142A (en) * | 2017-04-17 | 2017-08-18 | 江南大学 | A kind of image measuring method of wrinkle recovery angle of woven fabrics using viscoelasticity theory |
| CN107064143A (en) * | 2017-04-17 | 2017-08-18 | 江南大学 | A kind of crease recovery process representation system of wool fabrics |
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| CN102768269B (en) * | 2012-07-26 | 2014-08-13 | 浙江理工大学 | Novel fabric wrinkling device and wrinkle resistance test method |
| CN102768269A (en) * | 2012-07-26 | 2012-11-07 | 浙江理工大学 | Novel fabric wrinkling device and wrinkle resistance test method |
| CN102998253A (en) * | 2012-12-12 | 2013-03-27 | 江南大学 | Dynamic measurement and characterization method of fabric wrinkle recovery angle |
| CN105258656B (en) * | 2015-10-27 | 2017-09-26 | 浙江理工大学 | Coil buckling testing flatness method after fabric washing |
| CN105258656A (en) * | 2015-10-27 | 2016-01-20 | 浙江理工大学 | Washed fabric twisted flatness testing device and method |
| CN106198937A (en) * | 2016-07-19 | 2016-12-07 | 江南大学 | A kind of dynamic evaluation method of crease recovery properties of woven fabrics |
| CN107064143A (en) * | 2017-04-17 | 2017-08-18 | 江南大学 | A kind of crease recovery process representation system of wool fabrics |
| CN107064142A (en) * | 2017-04-17 | 2017-08-18 | 江南大学 | A kind of image measuring method of wrinkle recovery angle of woven fabrics using viscoelasticity theory |
| CN107121538A (en) * | 2017-05-04 | 2017-09-01 | 中国计量大学 | The test device of the anti-fold characteristic of shape memory textile |
| CN108709862A (en) * | 2018-06-04 | 2018-10-26 | 嘉兴市皮毛和制鞋工业研究所 | A method of being used for auxiliary device and the grading of leather and fur color fastness instrumental assessment |
| CN109781544A (en) * | 2019-01-11 | 2019-05-21 | 安徽省冠盛纺织科技有限公司 | A kind of device and method of test fabric morphological plasticity |
| CN109813874A (en) * | 2019-01-18 | 2019-05-28 | 江南大学 | A kind of fabric accurate doubling-up device and detection method automatically |
| CN109813875A (en) * | 2019-01-18 | 2019-05-28 | 江南大学 | A kind of fabric accurate doubling-up device automatically |
| CN109813875B (en) * | 2019-01-18 | 2021-05-14 | 江南大学 | Automatic accurate fifty percent discount device of fabric |
| CN110044904A (en) * | 2019-04-09 | 2019-07-23 | 江南大学 | A kind of crease recovery of fabrics evaluation method based on power function equation |
| CN110044904B (en) * | 2019-04-09 | 2021-05-14 | 江南大学 | Fabric wrinkle recovery evaluation method based on power function equation |
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Effective date of registration: 20171221 Address after: Kunyang town 325000 Zhejiang County of Pingyang Province Rui Ping Road No. 588 Patentee after: Zhejiang Giuseppe Clothing Co., Ltd. Address before: Hangzhou City, Zhejiang province 310018 Xiasha Higher Education Park No. 2 Street No. 5 Patentee before: Zhejiang Sci-Tech University |
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