CN209485866U - A kind of leather bursts apart experiment test device - Google Patents
A kind of leather bursts apart experiment test device Download PDFInfo
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- CN209485866U CN209485866U CN201920141390.2U CN201920141390U CN209485866U CN 209485866 U CN209485866 U CN 209485866U CN 201920141390 U CN201920141390 U CN 201920141390U CN 209485866 U CN209485866 U CN 209485866U
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- mandril
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- clamping position
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Abstract
It bursts apart experiment test device the utility model discloses a kind of leather, including mandril, driving device, insulate grip slipper and pedestal, insulation grip slipper is for fixing leather sample, driving device drives mandril to apply a upward varicose power to the middle position of leather sample, it further include flexible conductive film, insulation grip slipper is provided with the first clamping position and the second clamping position, leather sample is fixed on the first clamping position, elastic conduction film is fixed on the second clamping position, mandril is connected with a power supply wherein pole, elastic conduction film is connected with an other pole for power supply, the forming circuit when mandril shifts up and Leather testing part and elastic conduction film is driven to contact with each other, it further include the resistivity sensor for having the resistivity of record elastic conduction film, the resistivity sensor is used to judge the amplitude of variation of resistivity, when specimen surface is cracked , resistivity changes, and by checking the variation of resistivity, bursts apart highly to measure sample, numerical value is accurate.
Description
Technical field
The utility model relates to Leather testing apparatus fields, and in particular to burst apart experiment test device to a kind of leather.
Background technique
Leather detection project mainly includes, the test of quantitative measurement, chemical property, assay, material identification, ingredient
Analysis, the test of venomous injurant quality detection, environmental protection tests, azo etc..Wherein quantitative measurement includes collapsing brokenly for leather surface
Intensity and height of bursting apart are tested, leather collapse brokenly intensity and height of bursting apart be one in leather detection it is important want project, use
Leather bursts apart detection device.It is tested in existing examination criteria using the standard of QB/T2712-2005, in test process
In, the surrounding of sample is fixed with fixture, the middle position of round leather sample flesh noodles layer is withstood on by a steel ball, to leather meat
Surface layer, which applies pressure, makes leather generate deformation, records its stretching, extension height and bursting power respectively when leather cracks and ruptures.
There are mainly two types of the existing test apparatuses that bursts apart, a kind of full hand instrument: pushing metallic rod by manual rocker
It moves up, records rupture strength using pointer dynameter.Whether sample is cracked to visually observe.The disadvantage is that manual rocker is difficult
Risen with remaining a constant speed, force value misregister.Another is auto-manual system instrument；It is moved up by motor pushing metallic rod,
Leather is not easy naked eyes and finds when generating rupture, and the pressure value that mandril is subject to can generate variation, easily determine inaccuracy, existing
Do not have to detect the detection device that leather cracks in technology, and is not easy naked eyes and finds, the top in auto-manual system instrument
Bar uniform ascending, the pressure and stretching, extension height that more inconvenient detection record cracks.
Utility model content
In view of the deficienciess of the prior art, bursting apart experimental test the purpose of this utility model is to provide a kind of leather
Full-automatic device, when precisely record leather cracks, the displacement height of mandril.
To achieve the above object, the utility model provides a kind of leather and bursts apart experiment test device, including mandril, driving dress
Set, insulate grip slipper and be arranged mandril, driving device, grip slipper pedestal, the insulation grip slipper for fix leather try
Sample, the mandril are located at the middle position of corresponding grip slipper, and the driving device drives mandril to the middle position of leather sample
Apply a upward varicose power, further include flexible conductive film, the insulation grip slipper is provided with the first clamping position and the
Two clamping positions, the leather sample are fixed on the first clamping position, and the elastic conduction film is fixed on the second clamping position, and described the
One clamping position and the second clamping position are arranged in consistency from top to bottom, when mandril shifts up, drive leather sample and elastic conduction thin
Film contacts with each other, and the mandril is connected with a power supply wherein pole, and the elastic conduction film is connected with an other pole for power supply,
Forming circuit when leather sample and elastic conduction film contact with each other further includes the electricity for having the resistivity of record elastic conduction film
Resistance rate sensor, the resistivity sensor are used to judge the amplitude of variation of resistivity.
The resistivity sensor includes resistivity tester and data processing as a further improvement of the utility model,
Device, the resistivity tester include a detection probe, and the data processor is used to collect the data letter of resistivity tester
Number.
The driving device is that manual lead screw mechanism or electronic screw rod drive as a further improvement of the utility model,
Mechanism or linear servo-actuator.
When the driving device is manual lead screw mechanism as a further improvement of the utility model, the mandril setting
There is graduation mark, the form of observation graduation mark, the data processor setting display and/or prompting dress are provided on the pedestal
It sets, the display and/or alarm set and data processor communicate to connect, which is used to show the numerical value of resistivity,
The alarm set is used to issue prompt when the variation in default value variation range occurs for resistivity.
The alarm set is that sound prompting device or optical signal remind dress as a further improvement of the utility model,
It sets.
The driving device is electronic screw mandrel drive mechanism or linear servo as a further improvement of the utility model,
When motor, the mandril is provided with graduation mark, and the form of observation graduation mark is provided on the pedestal, the data processor
Data outputting module outputs signal to driving device, the control driving when the variation in default value variation range occurs for resistivity
Device is out of service.
The driving device is electronic screw mandrel drive mechanism or linear servo as a further improvement of the utility model,
When motor, the mandril is provided with displacement sensor, which is used to measure the lifting height of mandril, and the displacement passes
Sensor communication link is connected to display, and the data outputting module of the data processor outputs signal to displacement sensor, in resistance
Control displacement sensor records numerical value when variation in default value variation range occurs for rate.
The mandril lower end is provided with force value sensor as a further improvement of the utility model,.
As a further improvement of the utility model, the insulation grip slipper be include lower bottom base and upper bed-plate, under described
Pedestal is fixedly installed on the base, and the upper bed-plate lower end is provided with nip portion corresponding with lower bottom base, the lower bottom base and pressure
Conjunction portion presses to form the first clamping position, and second clamping position is arranged above upper bed-plate, is provided with groove in the pedestal,
The driving device and mandril are arranged in groove, and output end and the mandril lower end of the driving device mutually contradict, the top
Bar and the concentric setting of lower bottom base, mandril pass through lower bottom base when shifting up.
The lower bottom base is annular in shape as a further improvement of the utility model, and the upper bed-plate nip portion is in under
The annular shape of pedestal fitting setting.
The utility model has the beneficial effects that: leather provided by the utility model bursts apart, experiment test device passes through setting
Elastic conduction film is next, and accurately testing leather cracks the time, to facilitate the displacement that mandril is opposite in precisely record test process
Highly, leather sample is close to sample by elastic conduction film during upward bursting and is deformed therewith.When specimen surface occurs
Because specimen surface coating is different from substrate layer resistivity when crackle, change in resistance will be generated, records position when change in resistance
It moves, as sample bursts apart highly, and the number of test is precisely.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the utility model partial sectional view；
Fig. 3 is the structure sectional view of the utility model embodiment 1 or 2；
Fig. 4 is the structure sectional view of the utility model embodiment 3；
Fig. 5 is the system communication connection schematic diagram of embodiment 1；
Fig. 6 is the system communication connection schematic diagram of embodiment 2；
Fig. 7 is the system communication connection schematic diagram of embodiment 3 and 4；
Fig. 8 is the structure sectional view of embodiment 4.
Detailed description of the invention: 1, pedestal；2, insulate grip slipper；3, driving device；4, mandril；5, elastic conduction film；6, first
Clamp position；7, the second clamping position；8, volumetric surface resistivity tester；9, data processor；10, detection probe；11, scale
Line；12, form；13, display；14, alarm set；15, displacement sensor；16, force value sensor；17, lower bottom base；18, on
Pedestal；19, nip portion；20, groove；21, first boss；22, second boss.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
Explain as shown in Figs 1-4 to embodiment: the utility model provides a kind of leather and bursts apart experiment test device, packet
Mandril 4, driving device 3, insulation grip slipper 2 and the pedestal 1 that mandril 4, driving device 3, the grip slipper 2 that insulate are set are included, it is described
Insulation grip slipper 2 is located at the middle position of corresponding insulation grip slipper 2 for fixing leather sample, mandril 4, and insulation grip slipper 2 can
Using the high insulating materials of intensity, such as plastics, the lower section of insulation grip slipper 2 is arranged in mandril 4, and driving device 3 is arranged in mandril 4
Lower section, driving device 3 drive mandril 4 to apply a upward varicose power, the upper end of mandril 4 to the middle position of leather sample
Face is provided with arc surface, it is preferred that 4 upper end of mandril is in spherical, further includes flexible conductive film 5, elastic conduction film 5 can
With using the compounded rubber film with conductive filler, insulation grip slipper 2 is provided with the first clamping position 6 and the second clamping position 7, skin
Leather sample is fixed on the first clamping position 6, and elastic conduction film 5 is fixed on the second clamping position 7, the first clamping position 6 and the second clamping
Position 7 is arranged in consistency from top to bottom, and the distance of the first clamping position 6 and the second clamping position 7 is less than 25mm, when mandril 4 shifts up, band
Dynamic leather sample contacts with each other with elastic conduction film 5, and mandril 4 is connected with a power supply wherein pole, and elastic conduction film 5 is connected with
An other pole for power supply, can by insulation grip slipper 2 on be provided with the conductive column contacted with elastic conduction film 5,
Electrode is connected with each other by connection conductive column and elastic conduction film 5, when leather sample and elastic conduction film 5 contact with each other
Forming circuit further includes the resistivity sensor for having the resistivity of record elastic conduction film 5, and the resistivity sensor is for sentencing
The amplitude of variation of resistance break rate, resistivity sensor can be simple volumetric surface resistivity tester 8, and the upper end has aobvious
Display screen can use model LST-121, when observing that numerical value is widely varied, record 4 displacement height of mandril.
As a kind of improved specific embodiment, resistivity sensor includes resistivity tester 8 and data processor
9, resistivity tester 8 includes a detection probe 10, and data processor 9 is used to collect the data-signal of resistivity tester 8, and
It is able to carry out numeric ratio pair with data processing module, which can be using any list with programmable functions
Piece machine, data processor 9 can be based on STM32F103C8T6 and its peripheral circuit composition it is having data processing function
Integrated processing circuit.
As a kind of improved specific embodiment, it is provided on grip slipper for fixed test probe 10 in elastic conduction
The fixing seat on 5 surface of film should not be hand-manipulated fixed to facilitate fixed test probe 10, and fixing seat can be using any
The clamping device of form.
As a kind of improved specific embodiment, driving device 3 is manual lead screw mechanism or electronic screw rod driving machine
Structure or linear servo-actuator, wherein manual lead screw mechanism is common hand down-feed screw elevating mechanism, does not do to tire out herein and state,
It can choose manual or automanual driving device 3 by experiment demand and cost viewpoint, it is no matter manual or semi-automatic
The control of its rate of displacement of driving device 3 in 5-20mm/min, wherein linear servo-actuator drives mandril to move up and down, electronic silk
Bar driving mechanism includes driving motor and screw rod, and the driving motor drives screw rod transmission, and the screw rod is parallel with mandril axial direction to be set
It sets, which drives mandril to move up and down.
As a kind of improved specific embodiment, the grip slipper 2 that insulate be include lower bottom base 17 and upper bed-plate 18, lower bottom base
17 are fixed on pedestal 1, and upper bed-plate 18 and lower bottom base 17 are detachably connected, and preferential using is threadedly coupled, upper bed-plate 18
Lower end is provided with nip portion 19 corresponding with lower bottom base 17, and lower bottom base 17 and nip portion 19, which press, forms the first clamping position 6, and second
It clamps position 7 to be arranged above upper bed-plate 18, the second clamping position 7 is the pressing structure of any one form, and elastic conduction film 5 can
Disassembly setting clamps position 7 second, and groove 20 is provided in pedestal 1, and driving device 3 and mandril 4 are arranged in groove 20,
The output end of driving device 3 is mutually contradicted with 4 lower end of mandril, the mandril 4 and the concentric setting of lower bottom base 17, mandril 4 to
Lower bottom base 17 is passed through when upper displacement, overall structure is simple and compact.
As a kind of improved specific embodiment, lower bottom base 17 is annular in shape, and 18 nip portion 19 of upper bed-plate is in and bottom
The annular shape of 17 fitting setting of seat, so that uniform force when leather sample is fixed.
As a kind of improved specific embodiment, circular the of coaxial heart setting is provided on lower bottom base 17
One boss 21, nip portion 19 is to be bonded the second boss 22 of 21 internal diameter of first boss setting, convex by first boss 21 and second
The setting of platform 22 closely presses leather sample.
The embodiment 1 provided as shown in Figure 3 and Figure 5, when driving device 3 is manual lead screw mechanism, mandril 4 is provided with
Graduation mark 11, the form 12 of observation graduation mark 11 is provided on pedestal 1, and data processor 9 is arranged display 13 and/or reminds dress
14 are set, display 13 and/or alarm set 14 and data processor 9 communicate to connect, and the display 13 is for showing resistivity
Numerical value, alarm set 14 are used to issue prompt when the variation in default value variation range occurs for resistivity, and alarm set is
Sound prompting device or optical signal alarm set, after issuing prompt, testing staff can stop driver 3, lead to
It crosses the scale read on mandril 4 and records displacement height.
The embodiment 2 provided as shown in Figure 3 and Figure 6, driving device 3 are electronic screw mandrel drive mechanism or linear servo
When motor, mandril 4 is provided with graduation mark 11, and the form 12 of observation graduation mark 11, the number of data processor 9 are provided on pedestal 1
Driving device 3 is outputed signal to according to output module, the control driving when the variation in default value variation range occurs for resistivity
Device 3 is out of service, and at work, for data processor 9 when judging that crackle occurs for leather, data processor 9 issues signal,
Cylinder is controlled by control circuit or linear servo-actuator is out of service, and testing staff can be by reading on mandril 4
Scale records displacement height.
The embodiment 3 provided as shown in figs. 4 and 7, when driving device 3 is linear servo-actuator, mandril 4 is provided with
Displacement sensor 15, the displacement sensor 15 are used to measure the lifting height of mandril 4, and displacement sensor 15 is arranged in pedestal 1
Portion perhaps on mandril 4 displacement sensor 15 be used to detect mandril 4 certain to fix 1 upper wall of position opposite base or lower wall
Shift length, displacement sensor 15 can use laser displacement sensor 15, potentiometric displacement transducer 15, magnetostriction
Any one in displacement sensor 15 in displacement sensor 15 or other types,
The embodiment 4 of the offer as shown in Fig. 8 and Fig. 7, when driving device 3 is electronic screw mandrel drive mechanism, displacement sensing
Device includes grating disc and photoelectric sensor, and driving motor drives grating disc to rotate at work, and photoelectric sensor is by reading light
The turnning circle of grid disk is displaced to record mandril；
15 communication link of displacement sensor is connected to display 13, and the data outputting module of data processor 9 outputs signal to position
Displacement sensor 15, when the variation in default value variation range occurs for resistivity, control displacement sensor 15 records numerical value,
In the course of work, data processor 9 judge leather occur crackle when, data processor 9 issue signal, by control circuit come
Command displacement sensor 15 records numerical value, and driving device 3 at the uniform velocity moves on high come displacement when testing leather sample rupture
Degree, by automatic data collection, so that data result is more accurate.
As a kind of improved specific embodiment of embodiment 1-3,4 lower end of mandril is provided with force value sensor 16, power
When being set on mandril 4, the output shaft of induction end and driving device 3 mutually contradicts value sensor 16, in force value sensor
16 when being arranged on the output shaft of driving device 3, and induction end is mutually contradicted with 4 lower end of mandril, and force value sensor 16 is also provided with
There is display 13, to show the leather sample force value that mandril 4 is subject to when crackle and rupture occurs, as tensile strength, number
It is communicated to connect according to processor 9 and force value sensor 16, data processor 9 and force value sensor 16 mutually send signal, in force value
Sensor 16 records force value, while force value sensor 16 and alarm set 14 or driving when crackle and rupture occur for leather
Device 3 or displacement sensor 15 communicate to connect, and after leather ruptures, the pressure that mandril 4 is subject to instantaneously becomes smaller, record top
Numerical value and displacement height before the variation of 4 stress of bar.
Above are merely preferred embodiments of the utility model, the protection scope of the utility model is not limited merely to above-mentioned
Embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should be pointed out that pair
For those skilled in the art, several improvements and modifications without departing from the principle of the utility model,
These improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (10)
- The experiment test device 1. a kind of leather bursts apart, including mandril (4), driving device (3), insulation grip slipper (2) and setting Mandril (4), driving device (3), insulate grip slipper (2) pedestal (1), the insulation grip slipper (2) be used for fix leather sample, The mandril (4) is located at the middle position of corresponding insulation grip slipper (2), and the driving device (3) drives mandril (4) to try leather The middle position of sample applies a upward varicose power, which is characterized in that further includes flexible conductive film (5), the insulation Grip slipper (2) is provided with the first clamping position (6) and the second clamping position (7), and the leather sample is fixed on the first clamping position (6), The elastic conduction film (5) is fixed on the second clamping position (7), and first clamping position (6) and the second clamping position (7) are in up and down Alignment setting drives leather sample to contact with each other with elastic conduction film (5), the mandril when mandril (4) shifts up (4) a power supply wherein pole, an other pole for elastic conduction film (5) the connection power supply, in leather sample and elastic conducting are connected Forming circuit when conductive film (5) contacts with each other further includes the resistivity sensing for the resistivity for having record elastic conduction film (5) Device, the resistivity sensor are used to judge the amplitude of variation of resistivity.
- The experiment test device 2. a kind of leather according to claim 1 bursts apart, it is characterised in that: the resistivity sensor Including resistivity tester (8) and data processor (9), the resistivity tester (8) includes a detection probe (10), described Data processor (9) is used to collect the data-signal of resistivity tester (8).
- The experiment test device 3. a kind of leather according to claim 2 bursts apart, it is characterised in that: the driving device (3) For manual lead screw mechanism or electronic screw mandrel drive mechanism or linear servo-actuator.
- The experiment test device 4. a kind of leather according to claim 3 bursts apart, it is characterised in that: the driving device (3) When for manual lead screw mechanism, the mandril (4) is provided with graduation mark (11), is provided with observation graduation mark on the pedestal (1) (11) form (12), data processor (9) setting display (13) and/or alarm set (14), the display (13) and/or alarm set (14) is communicated to connect with data processor (9), which is used to show the number of resistivity Value, the alarm set (14) are used to issue prompt when the variation in default value variation range occurs for resistivity.
- The experiment test device 5. a kind of leather according to claim 4 bursts apart, it is characterised in that: the alarm set is sound Sound alarm set or optical signal alarm set.
- The experiment test device 6. a kind of leather according to claim 3 bursts apart, it is characterised in that: the driving device (3) When for electronic screw mandrel drive mechanism or linear servo-actuator, the mandril (4) is provided with graduation mark (11), the pedestal (1) On be provided with the form (12) of observation graduation mark (11), the data outputting module of the data processor (9) outputs signal to drive Dynamic device (3), when the variation in default value variation range occurs for resistivity, control driving device (3) is out of service.
- The experiment test device 7. a kind of leather according to claim 3 bursts apart, it is characterised in that: the driving device (3) When for electronic screw mandrel drive mechanism or linear servo-actuator, the mandril (4) is provided with displacement sensor (15), which passes Sensor (15) is used to measure the lifting height of mandril (4), and institute displacement sensors (15) communication link is connected to display (13), described The data outputting module of data processor (9) outputs signal to displacement sensor (15), and default value variation occurs in resistivity Control displacement sensor (15) records numerical value when variation in range.
- The experiment test device 8. a kind of leather described according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 bursts apart, feature exist In: mandril (4) lower end is provided with force value sensor (16).
- The experiment test device 9. a kind of leather according to claim 8 bursts apart, it is characterised in that: the insulation grip slipper (2) being includes lower bottom base (17) and upper bed-plate (18), and the lower bottom base (17) is fixed on pedestal (1), the upper bed-plate (18) lower end is provided with nip portion (19) corresponding with lower bottom base (17), and the lower bottom base (17) and nip portion (19) pressing are formed First clamping position (6), the second clamping position (7) setting are provided with groove in the pedestal (1) above upper bed-plate (18) (20), the driving device (3) and mandril (4) setting are in groove (20), the output end and mandril of the driving device (3) (4) lower end mutually contradicts, and the mandril (4) and lower bottom base (17) concentric setting, mandril (4) pass through lower bottom base when shifting up (17)。
- The experiment test device 10. a kind of leather according to claim 9 bursts apart, it is characterised in that: the lower bottom base (17) Annular in shape, upper bed-plate (18) nip portion (19) is in the annular shape that setting is bonded with lower bottom base (17), the lower bottom base (17) the circular first boss (21) of coaxial heart setting is provided on, the nip portion (19) is fitting first boss (21) second boss (22) of internal diameter setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920141390.2U CN209485866U (en) | 2019-01-25 | 2019-01-25 | A kind of leather bursts apart experiment test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920141390.2U CN209485866U (en) | 2019-01-25 | 2019-01-25 | A kind of leather bursts apart experiment test device |
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| CN209485866U true CN209485866U (en) | 2019-10-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520844A (en) * | 2019-01-25 | 2019-03-26 | 赵振普 | A kind of leather bursts apart experiment test device |
| CN114088522A (en) * | 2021-11-05 | 2022-02-25 | 李新新 | Static bursting clamping system |
-
2019
- 2019-01-25 CN CN201920141390.2U patent/CN209485866U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520844A (en) * | 2019-01-25 | 2019-03-26 | 赵振普 | A kind of leather bursts apart experiment test device |
| CN114088522A (en) * | 2021-11-05 | 2022-02-25 | 李新新 | Static bursting clamping system |
| CN114088522B (en) * | 2021-11-05 | 2023-11-07 | 李新新 | Static bursting clamping system |
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