CN106596392A - Testing device and method for skin-friction coefficient of fabric - Google Patents
Testing device and method for skin-friction coefficient of fabric Download PDFInfo
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- CN106596392A CN106596392A CN201611078224.XA CN201611078224A CN106596392A CN 106596392 A CN106596392 A CN 106596392A CN 201611078224 A CN201611078224 A CN 201611078224A CN 106596392 A CN106596392 A CN 106596392A
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- Prior art keywords
- sample
- clamping mechanism
- friction coefficient
- web surface
- test platform
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
Abstract
The invention discloses a testing device and method for the skin-friction coefficient of a fabric. The device comprises a testing platform, a sample clamping mechanism, a driving mechanism and a detecting mechanism. The testing platform is provided with a fixing mechanism of a friction interface; the sample clamping mechanism comprises a sample bearing part and a sample fastening part matched with the sample bearing part, the sample fastening part can be embedded into the periphery of the outer wall of the sample bearing part, a sample which is located on the sample bearing part is fastened to the sample bearing part, and the testing face of the sample is opposite to the friction interface; the driving mechanism can drive the sample clamping mechanism to move relative to the testing platform in the detecting direction of the friction coefficient, and the detecting mechanism comprises a force sensor which can detect driving force exerted on the sample clamping mechanism by the driving mechanism when the sample clamping mechanism moves, and the friction coefficient is analyzed according to the driving force; therefore, the accuracy and repeatability of a testing result are improved.
Description
Technical field
The application is related to light industry textile technology field, and in particular to a kind of web surface testing device for friction coefficient and side
Method.
Background technology
Friction phenomenon is seen everywhere, and textile is no exception, the sportswear for especially wearing next to the skin, big in volume of perspiration
In the case of, the coefficient of friction between skin can increase, and when more than certain limit, can cause that wearer's is uncomfortable, or even
It is scratch, it is particularly obvious when high intensity, prolonged motion is carried out, as contestant is often reported in marathon etc.
Some sensitive parts of body can be ground with blood or grind off skin.Therefore on the basis of subjective and objective matching, accurately test fabric exists
Coefficient of friction under dry state and/or hygrometric state is to be highly desirable to so as to surface roughness when obtaining fabric dry state and/or hygrometric state
's.
The web surface roughness refers to the smooth or coarse sense experienced during the skin contact fabric surface of people
Feel is the incentive action of surface topography and textural characteristics formation of fabric in physiology and psychology caused by human body tactile organ
Combined reaction.
Under normal circumstances, the web surface roughness can be obtained by testing the coefficient of friction of fabric, in test
During, sample fabric needs stable fixation, it is to avoid because of situations such as not tight to the clamping of sample fabric or uneven presence,
And cause sample to produce wrinkle and slip, and then the accuracy of impact test result, even result in the failure of test.
Therefore, how to provide one kind can be in test process, it is ensured that the detection faces of sample are uniform, it is to avoid occur wrinkle and
The test device of slip, becomes those skilled in the art's technical issues that need to address.
The content of the invention
The application provides a kind of web surface testing device for friction coefficient, to solve prior art in over there material rubbed
During wiping coefficient test, easily there is fabric fold slip etc. and cause the accurately low problem of coefficient of friction detection.
The application provides a kind of web surface testing device for friction coefficient, including：Test platform, sample clamping mechanism drives
Motivation structure and testing agency；Wherein, the test platform is provided with the fixed mechanism of frictional interface；
The sample clamping mechanism includes：Sample bearing part and the sample securing member matched with it, the sample fastening
Part can be embedded in around the outer wall of the sample bearing part, and the sample on the sample bearing part is anchored on into the examination
It is on sample bearing part and the test surfaces of the sample are relative with the frictional interface；
The drive mechanism can drive the relatively described test platform of the sample clamping mechanism towards the coefficient of friction of setting
The movement of detection direction；
The testing agency includes：Strength sensor, the strength sensor can detect that the sample clamping mechanism is moved
During dynamic, the driving force size that the drive mechanism applies to the sample clamping mechanism, according to the driving force size point
Analysis coefficient of friction.
Preferably, the fixed mechanism includes：Gim peg and fixation clip；
The gim peg is arranged at one end contrary with the sample clamping mechanism moving direction；
The length direction of the fixation clip is perpendicular to the sample clamping mechanism moving direction, and the fixation clip
Two ends can be fixed on the test platform by the gim peg；
One end of the frictional interface is fixed between the fixation clip and the test platform.
Preferably, the drive mechanism includes：Driver and drive rod, one end of the drive rod and the sample holder
Mechanism connects, and the other end is connected with the output end of the driver, and the drive rod can draw under the driving of the driver
Move coefficient of friction detection direction movement of the sample clamping mechanism to setting.
Preferably, the drive mechanism includes：Pull rope, support and driving track；
One end of the pull rope is connected with the drive rod, and the other end is connected with the sample clamping mechanism；
The support is located at the moving direction side of the sample clamping mechanism, and the drive rod is laterally movable to be connected to vertically
The support between；
The driving track is arranged between the support, and the drive rod can be described in the driver drives lower edge
Track is driven to pump；
When the drive rod is moved upwards along the driving track, the pull rope pulls the sample clamping mechanism edge
The predetermined moving track of the testboard is to coefficient of friction detection direction movement.
Preferably, the driving track is screw rod, and the screw matched with the screw rod, institute are provided with the drive rod
Stating can be such that the drive rod moves back and forth up and down in the screw rod through the drive rod.
Preferably, the support includes：Fixed seat and support bar；
The fixed seating is in the moving direction side of the sample clamping mechanism and vertical with the moving direction；
The support bar is relatively arranged on respectively the two ends of the fixed seat, and the screw rod is through the institute on the drive rod
Screw is stated, the two ends for making the drive rod are movably connected between the support bar.
Preferably, the strength sensor arrange with the support.
Preferably, the testing agency includes：Displacement transducer, is arranged on the support, detects the sample holder
The distance of mechanism's movement.
Preferably, the testing agency includes：Limit switch, is arranged on the support, limits the drive rod movement
Position.
Preferably, mobile groove is provided with the test platform, it is flat in the relatively described test of the sample bearing part
The side of platform is provided with the projection with the mobile groove match, and the projection can be embedded in the mobile groove,
The driving of the drive mechanism, the projection can be moved in the mobile groove.
Preferably, including：Testing base, is placed in the band of position to be tested, and the test platform is arranged at the test bottom
On seat, and at least one of the test platform is diagonally fixed in the testing base.
Preferably, including：Water spraying mechanism has the shower nozzle that can be sprayed water on the frictional interface of the test platform.
Preferably, the shower nozzle is located at test platform top, and water is uniformly sprayed on positioned at the test platform
The frictional interface on.
Preferably, the water spraying mechanism includes：Tank and water pump, the water pump draws in the water in the tank
It is directed in the shower nozzle.
Preferably, the water spraying mechanism includes：Flow sensor, is arranged on conveyance conduit, controls the spray of the shower nozzle
The water yield.
The application also provides a kind of web surface friction coefficient testing method, including：
The test platform that frictional interface is fixed in web surface testing device for friction coefficient as above is provided
On；
The sample of fabric to be tested is provided, the sample is fixed on into web surface PVvalue testing dress as above
On the sample clamping mechanism put, the sample clamping mechanism is positioned over into the frictional interface of the test platform
On, and the sample contacts with the frictional interface；
Driving force is provided, under default test environment, by the sample clamping mechanism to fixing with the test platform
The rightabout one end of the frictional interface drives；
The driving force size is obtained, and the coefficient of friction is calculated according to the driving force size.
Preferably, the default test environment includes：
The humidity range of the frictional interface is more than or equal to 61%RH, less than or equal to 69%RH.
Preferably, the test environment temperature range of the default test environment is：More than or equal to 18 degree, less than or equal to 22
Degree.
Preferably, the sample for providing fabric to be tested, the sample is fixed on into above-mentioned web surface friction such as is
On the sample clamping mechanism in number test device, the sample clamping mechanism is positioned over described in the test platform and is rubbed
Wipe interface on, and the sample contact with the frictional interface including：
The test fabric is statically placed in institute before being clamped by the sample clamping mechanism or after clamping according to the default time
Under stating default test environment.
Preferably, the default time span is more than or equal to 4 hours.
Preferably, the sample for providing a fabric to be tested includes：
Warp-wise sample and broadwise sample are provided；
The warp-wise sample and broadwise sample are tested successively respectively.
Compared with prior art, the application has advantages below:
A kind of web surface testing device for friction coefficient that the application is provided, by using sample bearing part and the sample
The cooperation of securing member, during the drive mechanism applies driving force to the sample clamping mechanism, enables sample steady
It is fixed, uniform clamped, it is to avoid to cause sample to produce wrinkle and slip, and then basis because sample holder is unstable or uneven
The driving force size analysis coefficient of friction of acquisition, improves the accuracy and reappearance of test result；
In addition, test platform is provided with fixed machine in a kind of web surface testing device for friction coefficient of the application offer
Structure, the fixed mechanism can be fixed on the test platform by what the frictional interface was consolidated, it is to avoid rub in test process
Test platform described in interface unbound；
A kind of web surface testing device for friction coefficient that the application is provided, additionally it is possible to realized by the water spraying mechanism for arranging
The PVvalue testing of the fabric in the case of frictional interface hygrometric state, it is ensured that the controllability and stability of frictional interface moisture content, it is real
The wetting state of existing frictional interface；And then frictional behaviour of the product in the case of hygrometric state can be estimated；
The coefficient of friction that obtained by detection combines feel such that it is able to be conducive in the production and processing of fabric
Reference is provided, fabric comfort level is improved.
Description of the drawings
Fig. 1 is a kind of structural representation of web surface testing device for friction coefficient that the application is provided；
Fig. 2 is a kind of flow chart of web surface friction coefficient testing method that the application is provided.
Figure number explanation
Test platform 10, frictional interface 11, fixed mechanism 12, gim peg 121, fixation clip 122, testing base 13；Examination
Sample clamping device 20, sample bearing part 21, sample securing member 22, interface 23；Drive mechanism 30, driver 31, drive rod 32 leads
Messenger 33, support 34, fixed seat 341, support bar 342 drives track 35, screw rod 351 to turn to link position 36；Strength is sensed
Device 40, displacement transducer 41, limit switch 42；Water spraying mechanism 50, shower nozzle 51, tank 52, water pump 53, flow sensor
54, conveyance conduit 55.
Specific embodiment
Elaborate many details in order to fully understand the application in the following description.But the application can be with
Much it is different from alternate manner described here to implement, those skilled in the art can be in the situation without prejudice to the application intension
Under do similar popularization, therefore the application is not embodied as being limited by following public.
Refer to shown in Fig. 1, Fig. 1 is a kind of structural representation of web surface testing device for friction coefficient that the application is provided
Figure.
The web surface testing device for friction coefficient includes：Test platform 10, sample clamping mechanism 20, drive mechanism 30
And testing agency.
Wherein, the test platform 10 is provided with the fixed mechanism 12 of frictional interface 11.
In order to ensure that frictional interface 11 can be stably fixed on test platform 10, the fixed mechanism 12 can be wrapped
Include：Gim peg 121 and fixation clip 122；The gim peg 121 is arranged at contrary with the moving direction of the sample clamping mechanism 20
One end；
The length direction of the fixation clip 122 is perpendicular to the moving direction of the sample clamping mechanism 20, and the fixation
The two ends of pressing plate 122 can be fixed on the test platform 10 by the gim peg 121；
One end of the frictional interface 11 is fixed between the fixation clip 122 and the test platform 10.
In this embodiment, the frictional interface 11 on the test platform 10, its coefficient of friction inspection with setting
Surveying the relative one end in direction can be compressed on the lower section of the fixation clip 122, and the fixation clip 122 is in its longitudinal direction
Two sides be provided with screw, the gim peg 121 is connected by the screw with the test platform 10, and then can
The fixation clip 122 is fixed on the test platform 10, while also will be positioned at the fixation clip 122 and the test
The frictional interface 11 between platform 10 is also secured on the test platform 10.
For example：The coefficient of friction that sets detects direction as movement from left to right, the fixation clip 122 and gim peg
121 left ends for being fixed on the test platform 10, the left end of the frictional interface 11 is fixed on the fixation clip 122
Between the test platform 10, due to detecting direction for from left to right, thus, it is only required to by the left end of the frictional interface 11
It is fixed.
It is to be appreciated that, in order to ensure steadiness of the test platform 10 in test process, the test platform 10 can be with
It is fixed in the testing base 13, the testing base 13 may be located at the band of position to be tested, the test platform 10
At least one is diagonally fixed in the testing base 13, and then avoids in test process due to the driving of drive mechanism 30
Power and cause the test platform 10 built on the sand, and then affect coefficient of friction detection.
It should be noted that the area of the test platform 10 can set according to the test sample of coefficient of friction to be tested
Put, the size of the testing base 13 can also set according to the size of the test platform 10.
The sample clamping mechanism 20 includes：Sample bearing part 21 and the sample securing member 22 matched with it, the examination
Sample securing member 22 can be embedded in around the outer wall of the sample bearing part 21, by the sample on the sample bearing part 21
It is anchored on the sample bearing part 21, and the test surfaces of the sample are relative with the frictional interface 11.
In this embodiment, the sample bearing part 21 is used for carrying the sample of the test fabric of coefficient of friction to be tested, institute
State sample and can tile and be positioned on the sample bearing part 21, test surfaces the rubbing towards the test platform 10 of the sample
Interface 11 is wiped, the sample securing member 22 can be nested in around the outer wall of the sample bearing part 21, by the side of the sample
Edge is tightened and makes the test surfaces of the sample smooth.
The sample securing member 22 can be frame-like structures, the size of framework, shape and the sample bearing part 21
Edge matches, and can be together with the came of the sample bearing part 21.
In this embodiment, the sample bearing part 21 and sample securing member 22 can select the cooperation of metal derby and metal frame
Relation such that it is able to preferably ensure the stability and uniformity during sample holder, it is to avoid because sample holder is unstable or
It is uneven and cause sample to produce wrinkle and slip, and cause the low problem of the accuracy of test result.
The interface 23 being connected with the drive mechanism 30 is provided with the sample clamping mechanism 20, the interface 23 can
To be arranged on the sample securing member 22, the sample clamping mechanism 20 can be made to setting by the driving of drive mechanism 30
Coefficient of friction detection direction movement.
The drive mechanism 30 can drive the relatively described test platform 10 of the sample clamping mechanism 20 rubbing towards setting
Wipe coefficient detection direction movement.
The drive mechanism 30 includes：Driver 31 and drive rod 32, one end of the drive rod 32 and the specimen holder
Hold mechanism 20 to connect, the other end is connected with the output end of the driver 31, drive of the drive rod 32 in the driver 31
Coefficient of friction detection direction movement of the sample clamping mechanism 20 to setting can be pulled under dynamic.
In this embodiment, it is to ensure that the drive mechanism 30 can smoothly drive the sample clamping mechanism 20 described
Move on the frictional interface 11 of test platform 10, the drive mechanism 30 also includes：Pull rope 33, support 34 and driving track
35。
One end of the pull rope 33 is connected with the drive rod 32, and the other end is connected with the sample clamping mechanism 20,
In this embodiment, the pull rope 33 is connected with the interface 23 of the sample securing member 22, and implementing to be, by hook
Mode be connected.
The support 34 is located at the moving direction side of the sample clamping mechanism 20, and in this embodiment, the support 34 can
With the right side that is vertically arranged at the test platform 10, (right side is to detect direction to come from left to right according to frictional force in embodiment
Say), the drive rod 32 is laterally movable to be connected between the support 34, and the support 34 can have fixed seat 341 and be located at
Two relative support bars 342 in the fixed seat 341, the drive rod 32 described in horizontally set between the support bar 342；
The drive rod 32 is laterally movable to be connected between the vertical support 34.
It should be noted that the concrete form of the support 34 is not limited to the above, as long as the driving can be realized
Bar 32 pulls the sample clamping mechanism 20 to coefficient of friction detection direction.
The driving track 35 is arranged between the support 34, and the drive rod 32 can drive in the driver 31
Track 35 is driven to pump described in lower edge.
When the drive rod 32 is moved upwards along the driving track 35, the pull rope 33 pulls the sample holder
Mechanism 20 is along the predetermined moving track of the testboard to coefficient of friction detection direction movement.
In this embodiment, the driving track 35 is screw rod 351, is provided with the drive rod 32 and the screw rod 351
The screw for matching, the screw rod 351 can pass through the screw arranged on the drive rod 32, make the drive rod 32 exist
Can move back and forth up and down in the screw rod 351 along the support bar 342 under the driving of driver 31.
In this embodiment, the driver 31 can be motor.
It is understood that the driving track 35 can also be provided in two relative fovea superiors of the support bar 342
Groove track, the two ends of the drive rod 32 are provided with driving wheel, and the driving wheel can be along institute under the driving of the motor
The grooved tracks stated on support bar 342 are moved up and down, therefore, the driving track 35 is not limited to aforesaid way.
To ensure stability of the pull rope 33 in the moving process of sample clamping mechanism 20 is pulled, in the survey
Moving track (not shown) is provided with examination platform 10, the sample clamping mechanism 20 can under the pulling of the pull rope 33
Along moving track movement, the moving track is consistent with coefficient of friction detection direction, and then ensures the sample holder machine
Stability in the moving process of structure 20.
The moving track can move groove (not shown), the bottom of the sample clamping mechanism 20 be provided with
The projection (not shown) of the mobile groove match, when the sample clamping mechanism 20 is positioned on the test platform 10
When, the projection can be embedded in the mobile groove, and under the driving of motor, the pull rope 33 pulls the sample
Clamping device 20 is moved along the mobile groove to detection direction.
In this embodiment, one end of the pull rope 33 is connected with the sample securing member 22, and the other end passes through the spiral shell
The steering link position 36 of the lower section of bar 351 is connected with the bottom of the screw rod 351, so as to ensure that the sample clamping mechanism 20 can
Coefficient of friction detection direction along setting moves horizontally.
It is described steering link position 36 can be at steering position arrange steering ring realize, it is also possible to arrange it is any can
The part for realizing turning function is realized.
When the drive rod 32 is moved upwards, the pull rope 33 can pull the sample clamping mechanism 20, make described
Sample clamping mechanism 20 is moved according to the predetermined moving track on the testboard to coefficient of friction detection direction
It is dynamic.
The testing agency includes：Strength sensor 40, the strength sensor 40 can detect the sample holder machine
In the moving process of structure 20, the driving force size that the drive mechanism 30 applies to the sample clamping mechanism 20, according to the drive
Power size analyzes coefficient of friction.
In this embodiment, the strength sensor 40 is arranged on the pull rope 33 or the drive rod 32, Huo Zheren
What can be detected applies the band of position of pulling force to the sample clamping mechanism 20.
To ensure the displacement of the sample clamping mechanism 20, on the support 34 displacement transducer is additionally provided with
41, institute's displacement sensors 41 can detect the displacement of the sample clamping mechanism, for example：Can be by the sample holder machine
The displacement of structure 20 is set to 20 centimetres, when the sample clamping mechanism 20 is moved to 20 centimetres in the pulling of pull rope 33
During place, then stop signal is sent to the drive mechanism 30.
In this embodiment, institute's displacement sensors 41 can be arranged on the drive rod 32, for detecting the driving
The distance of the movement of bar 32, and then detect the distance of the movement of sample clamping mechanism 20.
To ensure the normal work of the drive rod 32, the drive rod 32 is prevented after in place, due to there is signal event
The originals such as barrier thus result in the drive rod 32 and go out the driving track 35, are also provided with the support 34 described spacing
Switch 42, the limit switch 42 can be arranged at the top and/or bottom of the support bar 342, so as to limit the driving
Bar 32 goes out driving track 35, leads to not to detect that displacement transducer occurs in coefficient of friction and avoiding in test process out of control,
Ensure safety of operating personnel etc..
In this embodiment, the limit switch 42 can be separately positioned on described two relative support bars 342, arranged
Mode can be that the limit switch 42 is arranged on a top of support bar 342, and is arranged on another bottom of support bar 342
Portion, or it is arranged on the top and bottom of two support bars 342, or the top for being arranged on two support bars 342；Or arrange
In the bottom of two support bars 342.
To improve the detection range of the web surface testing device for friction coefficient, the device can be made to detect fabric wet
Coefficient of friction under degree environment, and then frictional behaviour of the fabric under wet condition is obtained, can also include：Water spraying mechanism 50,
The water spraying mechanism 50 has the shower nozzle 51 that can be sprayed water on the frictional interface 11 of the test platform 10.
The shower nozzle 51 is located at the top of the test platform 10, and water uniformly can be sprayed on positioned at the test platform
On 10 frictional interface 11 so that the frictional interface 11 can have certain humidity, and then be able to detect that described
Coefficient of friction of the sample on sample clamping mechanism 20 under with humidity environment.
The water spraying mechanism 50 also includes：Tank 52 and water pump 53, the water pump 53 is by the tank 52
Water guide to the shower nozzle 51.In this embodiment, the tank 52 can be arranged at a left side for the test platform 10
End or lower section etc..The water pump 53 is arranged on conveyance conduit 55, for the water in the tank 52 to be passed through into described
Water pump 53 is guided to the shower nozzle 51.
Preferably to control the injection flow rate of the shower nozzle 51, the water spraying mechanism 50 can also include：Flow sensor 54,
It is arranged on conveyance conduit 55, controls the injection flow rate of the shower nozzle 51.
It is understood that the shower nozzle 51 needs the top for being arranged on the test platform 10, so as to the test
Spray water on the frictional interface 11 on platform 10, make the frictional interface 11 that there is certain humidity, the tank 52 can
To be arranged on any position, ensure that the shower nozzle 51 is sprayed water.
More than a kind of specific descriptions of the web surface testing device for friction coefficient structure to provide the application, tie below
Said structure description is closed, a kind of operation principle of the fabric testing device for friction coefficient provided the application is illustrated, specifically
It is as follows：
The gim peg 121 and fixation clip 122 that are arranged at the left end of the test platform 10 are removed, by frictional interface 11
The left end of the test platform 10 is placed in one end, then the fixation clip 122 is placed on into the left end of the test platform 10, by institute
State gim peg 121 to fix the fixation clip 122, so that the frictional interface 11 is fixed on the test platform 10
On, the other end of the frictional interface 11 extends to the right side of the test platform 10 to be sprawled.
Sample is covered on the sample bearing part 21, and the to be detected of the sample faces up, the sample is tight
Firmware 22 is entrenched on the sample bearing part 21, and the edge for enabling the sample is fixed on institute by the sample securing member 22
State on sample bearing part 21, and make sample face to be tested it is smooth on the sample bearing part 21.
The shower nozzle to the frictional interface 11 is uniformly sprayed water, and will be nested with the examination of the sample securing member 22 afterwards
Sample bearing part 21 is placed on the test platform 10, and the one side with the sample of the sample bearing part 21 and the survey
The joint of frictional interface 11 of examination platform 10, and make the left end of the sample bearing part 21 and the left end pair of the test platform 10
Together；Pull rope 33 is connected with the sample bearing part 21, starts motor, and the screw rod 351 rotates and then cause the drive
Lever 32 is moved from the bottom up of the support bar 342 and screw rod 351, pulls the sample being connected with the pull rope 33
The side shifting to the right of bearing part 21, when detecting distance is reached, the strength sensor 40 is by the drawing of the drive rod 32 for detecting
Power is sent to control centre, and signal in place is sent to institute's displacement sensors 41 control centre of motor, in the control
The heart controls the motor to be stopped driving and calculates coefficient of friction according to the pulling force signal analysis for receiving.
When the arrival detecting distance, it is not detected by if located in displacement transducer 41, the drive rod 32 is in institute
Also continue to move up under the rotation for stating screw rod 351, then when limit switch 42 is reached, touched will the limit switch 42
Send out so as to control centre's sending signal, control centre then controls motor and quits work limit switch 42.
The explanation of the operation principle of a kind of web surface testing device for friction coefficient for providing for the application above, based on upper
A kind of web surface testing device for friction coefficient of the application offer is stated, the application also provides a kind of web surface coefficient of friction and surveys
Method for testing, concrete method of testing is as follows：
Refer to shown in Fig. 2, Fig. 2 is a kind of flow chart of web surface friction coefficient testing method that the application is provided.
Step S201：The institute that frictional interface 11 is fixed in web surface testing device for friction coefficient as above is provided
State on test platform 10.
Step S201 implement process can be to provide frictional interface 11 can for clip size be 550mm
The standard byssus of × 200mm, by standard byssus tiling on the test platform 10, and by fixation clip
122 and gim peg 121, the standard byssus and the test platform 10 are fixed.
Step S202：The sample of fabric to be tested is provided, is fixed in web surface coefficient of friction as above and is surveyed
Trial assembly put in the sample clamping mechanism 20 on, the sample clamping mechanism is positioned over described in the test platform 10 and is rubbed
Wipe on interface 11, and the sample contacts with the frictional interface.
Step S202 implements process, the sample of the fabric to be tested should avoid with fold and/
Or the problematic fabric area such as fault chooses, should be greater than being equal to 150 millimeters apart from the selvedge of fabric to be tested.
In this embodiment, the sample of the fabric to be tested can choose the sample on different weaving directions, i.e.,：Choose two
Group is respectively radial direction sample and broadwise sample, the radial direction sample be long side it is parallel with the warp thread for radial direction sample, otherwise
For broadwise sample, i.e.,：Long side it is vertical with the warp thread for broadwise sample.
Every group of sample can include five pieces, and the size of every piece of sample is (250 ± 10) mm × (100 ± 5) mm, and is indicated
Jing, broadwise.Every group of sample is separately fixed on the sample clamping mechanism 20 carries out coefficient of friction detection, as the radial direction
The detection ordering of sample and the broadwise sample does not have particular/special requirement；In addition, often having tested a sample it is necessary to change one piece of friction
Interface (byssus), sprays again afterwards the water of same amount, then puts sample and tested, that is to say, that survey several pieces of samples it is necessary to change
Several pieces of frictional interfaces (byssus).
Can also include in step S202：Equal on the frictional interface on the sample clamping mechanism 20
Even water spray, the moisture content for making frictional interface reaches regulation requirement, then will be equipped with the sample clamping mechanism of sample and be placed on rubbing for hygrometric state
Wipe on interface, tested, and then realize the detection of sample coefficient of friction under humidity environment, the water yield of spraying water number can have pre-
The test environment for first setting is determined.
Step S203：There is provided driving force, under default test environment, by the sample clamping mechanism 20 to the survey
Examination platform 10 fixes the driving of the rightabout one end of the frictional interface 11.
In step S203, the default test environment can for humidity range be more than or equal to 61%RH, it is little
In equal to 69%RH test environment, i.e.,：Can be the relative humidity in constant temperature and humidity room, according to the humidity of the frictional interface 11
Scope control injection flow rate.The temperature range of the test environment is：More than or equal to 18 degree, less than or equal to 22 degree.
It should be noted that RH (Relative Humidity) represents relative humidity.
The test fabric is statically placed in institute before being clamped by the sample clamping mechanism or after clamping according to the default time
Under stating default test environment, in this embodiment, the default time span is more than or equal to 4 hours, after the time reaches
Tested, so as to ensure that test surfaces material temperature humidity reaches balance, improved coefficient of friction accuracy.In this embodiment, test surfaces
Material is placed on before specimen holder, and at least 4 it is first statically placed in the constant temperature and humidity room met under above-mentioned test environment are little
When, so as to ensure that testing fabric reaches humiture balance.
Step S204：The driving force size is obtained, and the coefficient of friction is calculated according to the driving force size.
In step S204, the meter of coefficient of friction is carried out by the sample of the different directions to providing in step S202
Calculate, and then the average friction coefficient of sample can be known, the coefficient of friction obtained by detection or combine feel such that it is able to
Be conducive to providing reference in the production and processing of fabric, improve fabric comfort level.
Although the application is disclosed as above with preferred embodiment, it is not for limiting the application, any this area skill
Art personnel can make possible variation and modification, therefore the guarantor of the application in without departing from spirit and scope
The scope that shield scope should be defined by the application claim is defined.
Claims (21)
1. a kind of web surface testing device for friction coefficient, it is characterised in that include：Test platform, sample clamping mechanism drives
Mechanism and testing agency；Wherein, the test platform is provided with the fixed mechanism of frictional interface；
The sample clamping mechanism includes：Sample bearing part and the sample securing member matched with it, the sample securing member energy
Enough it is embedded in around the outer wall of the sample bearing part, the sample on the sample bearing part is anchored on into the sample and is held
It is in holder and the test surfaces of the sample are relative with the frictional interface；
The drive mechanism can drive the relatively described test platform of the sample clamping mechanism towards the coefficient of friction detection of setting
Move in direction；
The testing agency includes：Strength sensor, the strength sensor can detect that the sample clamping mechanism is moved through
Cheng Zhong, the driving force size that the drive mechanism applies to the sample clamping mechanism is rubbed according to driving force size analysis
Wipe coefficient.
2. web surface testing device for friction coefficient according to claim 1, it is characterised in that the fixed mechanism bag
Include：Gim peg and fixation clip；
The gim peg is arranged at one end contrary with the sample clamping mechanism moving direction；
The length direction of the fixation clip is perpendicular to the sample clamping mechanism moving direction, and the two ends of the fixation clip
Can be fixed on the test platform by the gim peg；
One end of the frictional interface is fixed between the fixation clip and the test platform.
3. web surface testing device for friction coefficient according to claim 1, it is characterised in that the drive mechanism bag
Include：Driver and drive rod, one end of the drive rod is connected with the sample clamping mechanism, the other end and the driver
Output end connects, and the drive rod can pull the sample clamping mechanism to the friction of setting under the driving of the driver
Coefficient detection direction movement.
4. web surface testing device for friction coefficient according to claim 3, it is characterised in that the drive mechanism bag
Include：Pull rope, support and driving track；
One end of the pull rope is connected with the drive rod, and the other end is connected with the sample clamping mechanism；
The support is located at the moving direction side of the sample clamping mechanism, and the drive rod is laterally movable to be connected to vertical institute
State between support；
The driving track is arranged between the support, and the drive rod can drive described in the driver drives lower edge
Track pumps；
When the drive rod is moved upwards along the driving track, the pull rope pulls the sample clamping mechanism along described
The predetermined moving track of testboard is to coefficient of friction detection direction movement.
5. web surface testing device for friction coefficient according to claim 4, it is characterised in that the driving track is spiral shell
Bar, is provided with the screw matched with the screw rod on the drive rod, described to pass through the drive rod, makes the driving
Bar is moved back and forth up and down in the screw rod.
6. web surface testing device for friction coefficient according to claim 5, it is characterised in that the support includes：Gu
Reservation and support bar；
The fixed seating is in the moving direction side of the sample clamping mechanism and vertical with the moving direction；
The support bar is relatively arranged on respectively the two ends of the fixed seat, and the screw rod is through the spiral shell on the drive rod
Hole, the two ends for making the drive rod are movably connected between the support bar.
7. web surface testing device for friction coefficient according to claim 4, it is characterised in that the strength sensor sets
Put with the support.
8. web surface testing device for friction coefficient according to claim 4, the testing agency includes：Displacement sensing
Device, is arranged on the support, detects the distance of the sample clamping mechanism movement.
9. web surface testing device for friction coefficient according to claim 4, it is characterised in that testing agency's bag
Include：Limit switch, is arranged on the support, limits the extreme position of the drive rod movement.
10. web surface testing device for friction coefficient according to claim 1, it is characterised in that in the test platform
On be provided with mobile groove, be provided with and the mobile groove phase relative to the side of the test platform in the sample bearing part
The projection of matching, the projection can be embedded in the mobile groove, and in the driving of the drive mechanism, the projection can
Move in the mobile groove.
11. web surface testing device for friction coefficient according to claim 1, it is characterised in that include：Testing base,
The band of position to be tested is placed in, the test platform is arranged in the testing base, and at least one of the test platform
Diagonally it is fixed in the testing base.
12. web surface testing device for friction coefficient according to claim 1, it is characterised in that include：Water spraying mechanism has
There is the shower nozzle that can be sprayed water on the frictional interface of the test platform.
13. web surface testing device for friction coefficient according to claim 12, it is characterised in that the shower nozzle is located at institute
Test platform top is stated, water is uniformly sprayed on the frictional interface of the test platform.
14. web surface testing device for friction coefficient according to claim 12, it is characterised in that the water spraying mechanism bag
Include：Tank and water pump, the water pump guides the water in the tank to the shower nozzle.
15. web surface testing device for friction coefficient according to claim 12, it is characterised in that the water spraying mechanism bag
Include：Flow sensor, is arranged on conveyance conduit, controls the injection flow rate of the shower nozzle.
16. a kind of web surface friction coefficient testing methods, it is characterised in that include：
Offer frictional interface is fixed on the web surface PVvalue testing dress as described in claim 1 to 15 any one
On the test platform put；
The sample of fabric to be tested is provided, the sample is fixed on into the face as described in claim 1 to 15 any one
On the sample clamping mechanism in material skin-friction coefficient test device, the sample clamping mechanism is positioned over into the test
On the frictional interface of platform, and the sample contacts with the frictional interface；
Driving force is provided, under default test environment, the sample clamping mechanism is fixed into described to the test platform
The rightabout one end of frictional interface drives；
The driving force size is obtained, and the coefficient of friction is calculated according to the driving force size.
17. web surface friction coefficient testing methods according to claim 16, it is characterised in that the default test
Environment includes：
The humidity range of the test environment is more than or equal to 61%RH, less than or equal to 69%RH.
18. web surface friction coefficient testing methods according to claim 17, it is characterised in that the default test
Ambient temperature range is：More than or equal to 18 degree, less than or equal to 22 degree.
19. web surface friction coefficient testing methods according to claim 16, it is characterised in that the offer is to be tested
The sample of fabric, by the sample web surface coefficient of friction as described in claim 1 to 15 any one is fixed on
On the sample clamping mechanism in test device, the sample clamping mechanism is positioned over into the friction of the test platform
On interface, and the sample contact with the frictional interface including：
The test fabric is statically placed in described pre- before being clamped by the sample clamping mechanism or after clamping according to the default time
If test environment under.
20. web surface friction coefficient testing methods according to claim 19, it is characterised in that the default time
Length is more than or equal to 4 hours.
21. web surface friction coefficient testing methods according to claim 16, it is characterised in that the offer one is to be measured
The sample of examination fabric includes：
Warp-wise sample and broadwise sample are provided；
The warp-wise sample and broadwise sample are tested successively respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611078224.XA CN106596392A (en) | 2016-11-30 | 2016-11-30 | Testing device and method for skin-friction coefficient of fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611078224.XA CN106596392A (en) | 2016-11-30 | 2016-11-30 | Testing device and method for skin-friction coefficient of fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106596392A true CN106596392A (en) | 2017-04-26 |
Family
ID=58595819
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611078224.XA Pending CN106596392A (en) | 2016-11-30 | 2016-11-30 | Testing device and method for skin-friction coefficient of fabric |
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