CN104819911A - Fiber linear density strength elongation simultaneous test system and test method - Google Patents
Fiber linear density strength elongation simultaneous test system and test method Download PDFInfo
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- CN104819911A CN104819911A CN201510250398.9A CN201510250398A CN104819911A CN 104819911 A CN104819911 A CN 104819911A CN 201510250398 A CN201510250398 A CN 201510250398A CN 104819911 A CN104819911 A CN 104819911A
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Abstract
The invention relates to a fiber linear density strength elongation simultaneous test system and test method. The fiber linear density strength and elongation simultaneous test system comprises a linear density test unit, a strength elongation test unit and a mechanical hand, wherein the linear density test unit is provided with an upper positioning plate and a lower positioning plate; the strength elongation test unit is provided with an upper clamping device and a lower clamping device; the mechanical hand is arranged between the linear density test unit and the strength elongation test unit and comprises a rotating arm driven by a motor, the front end of the rotating arm is provided with a clamping device, and the clamping device can move to be above the upper positioning plate of the liner density test unit and above the upper clamping device of the strength elongation test unit by virtue of the rotation of the rotating arm; the strength elongation test unit is provided with an electromagnetic actuation device capable of controlling the opening and closing of the clamping device. When in a primary linear density strength elongation test, a fiber test sample does not need to be clamped twice by nippers, so that the labor intensity of the test personnel is alleviated, the test efficiency is improved, the test sample is prevented from being damaged because the fiber is transferred between two instruments by utilizing the nippers, and the accuracy of a test result is higher. The fiber linear density strength elongation simultaneous test system is suitable for controlling the product quality of a fiber production factory and detecting the strength elongation performance of a fiber material by a fiber inspection quality supervision detection mechanism.
Description
Technical field
The invention belongs to fibrous material surveying instrument field, particularly a kind of fiber linear density strength and elongation is with machine test macro and method of testing thereof.
Background technology
Any fibrous material all must have certain brute force and just have use value, and therefore brute force is test event the most basic in procedure of fibre production.Fiber is in use subject to stretching, bends, compresses and twisting action, produces different distortion, but the external force be mainly subject to stretches.The bending property of fiber is also relevant with its tensile property.Therefore, the research of tensile fiber performance is subject to sufficient attention.
The measurement result of general powerful instrument is the absolute brute force of fibrous material.For single fiber, fiber is definitely powerful except stretching by force outside the Pass characteristic has, also by the impact of fiber thickness degree with fiber itself.In order to compare the strength and extension property of different thicknesses fiber, what adopt the fiber strength (i.e. specific strength, often referred to as intensity) of unit line density to represent fiber stretches characteristic by force.After adopting vibratory drilling method to measure single fiber line density, by same fiber measurement brute force, calculating this fibre strength thus, is the standard method of test of the fiber linear density recommended of international chemical standard fibre office (BISFA) and strength and elongation.Fiber strength diameter measurement instrument at home main with Xinxian Instrument Co., Ltd., Shanghai produce XQ-1A fiber type strength and elongation instrument and XD-1 fiber type fineness instrument for representative, connected by tool interface system by connection during two instrument on―line tests, first use tweezers gripping single fiber to fibre fineness instrument slotted line density during test, by connection, line density test data is transferred to strength and elongation instrument, this fiber samples is pinched strength and elongation instrument and measures its brute force by manual operation again, shows the index such as fibre strength, modulus by computing machine after automatically being calculated.Because this test operation needs artificial tweezers gripping same fiber successively at two instrument tests, operating difficulties is loaded down with trivial details, and test efficiency is low.Operating difficulties is loaded down with trivial details, test efficiency is low when being mainly reflected in the test of fiber samples primary line density strength and elongation, needs twice with tweezers grippings fiber samples, adds the labour intensity of testing crew, reduce test efficiency.In addition, with tweezers transfer fiber between two instruments, sample is sustained damage, the accuracy of test result will be had a strong impact on.
Summary of the invention
The object of the present invention is to provide a kind of fiber linear density strength and elongation with machine test macro and method of testing thereof, mainly solve the problem existing for above-mentioned prior art, when fiber samples primary line density strength and elongation is tested, tweezers gripping fiber samples is used without the need to twice, reduce the labour intensity of testing crew, improve test efficiency, avoid simultaneously and with tweezers transfer fiber between two instruments, sample is sustained damage, the accuracy of test result is higher.Present system and method are applicable to fibre manufacturer production quality control and examination of fibers quality supervision testing agency to the inspection of fibrous material strength and extension property.
For achieving the above object, the present invention realizes like this.
A kind of fiber linear density strength and elongation, with machine test macro, is characterized in that: it comprises line density test cell, strength and elongation test cell and mechanical arm; Wherein: this line density test cell has upper spacer, lower spacer; This strength and elongation test cell has upper clamper, lower gripper; This mechanical arm is arranged between line density test cell, strength and elongation test cell, comprise by motor-driven pivoted arm, the front end of this pivoted arm has clamper, above the upper spacer that this clamper can move to line density test cell by the rotation of pivoted arm and above the upper clamper of strength and elongation test cell; Strength and elongation test cell has the electromagnetic attracting device that can control clamper folding.
Described fiber linear density strength and elongation, with machine test macro, is characterized in that: this line density test cell also comprises LED, phototriode, upper spacer, lower spacer, oscillator, amplifying circuit and the first data processor; This LED, phototriode are separately positioned on the both sides of fiber samples between spacer and lower spacer; This oscillator is connected with upper spacer, and this oscillator is by the first data processor connection control; This phototriode is connected with the first data processor by amplifying circuit.
Described fiber linear density strength and elongation, with machine test macro, is characterized in that: the first data processor of this line density test cell connects computing machine by polycore cable, and this computing machine connects display, printer, keyboard and mouse further.
Described fiber linear density strength and elongation, with machine test macro, is characterized in that: this strength and elongation test cell also comprises LOAD CELLS, pneumatic controller and the second data processor; On this, clamper connects LOAD CELLS, pneumatic controller respectively, and this lower gripper connects pneumatic controller; This LOAD CELLS, pneumatic controller connect the second data processor respectively.
Described fiber linear density strength and elongation, with machine test macro, is characterized in that: the second data processor of this strength and elongation test cell connects computing machine by polycore cable, and this computing machine connects display, printer, keyboard and mouse further.
A kind of fiber linear density strength and elongation, with machine method of testing, is characterized in that: it adopts fiber linear density strength and elongation as above to test with machine test macro, specifically comprises the steps:
Fiber samples is linked into the clamper jaw being arranged in instrument line density measurement unit cock arm, fiber samples leans against on spacer and lower spacer, fiber samples starting of oscillation under LED, phototriode, amplifying circuit, data processor and oscillator acting in conjunction is also vibrated in fibrous material natural frequency, the line density of tested fibrous material is calculated after line density test cell measuring vibrations frequency, by polycore cable, this numerical value is sent to computing machine again, and at display display line density value;
After fiber linear density has been tested, pivoted arm take bearing as fulcrum, automatically the top of the upper clamper of fiber strength and elongation test cell is gone to, and by among the jaw of clamper and lower gripper (202) in fiber samples introducing, pneumatic controller orders about clamper and closes, electromagnetic attracting device opens clamper, then pneumatic controller orders about the closed rear decline drawing of fiber sample automatically of lower gripper to fracture, in drawing of fiber specimen, LOAD CELLS is tested pulling force all the time and test signal is sent to computing machine by polycore cable, and fiber strength is shown on indicator screen, extend, line density, intensity, modulus, the property indices such as load at certain elongation and breaking work and power-extension curve,
After strength and elongation has been tested, upper clamper and lower gripper have been opened, and lower gripper automatic re-ascending, to original position, is got ready for next time tests.
Compared with prior art advantage of the present invention is as follows:
1, method of testing of the present invention, tests whole process by computer monitoring fiber linear density strength and elongation.During the test of fiber samples primary line density strength and elongation, without the need to twice with tweezers gripping fiber samples, reduce the labour intensity of testing crew, improve test efficiency, avoid simultaneously and with tweezers transfer fiber between two instruments, sample is sustained damage, the accuracy of test result is higher.
2, present system multiple test option is selective.Instrument can carry out the test of individual event fiber linear density, the test of individual event fiber strength and elongation or fiber linear density strength and elongation to be tested with machine.According to the test objective of fiber samples, select to test option accordingly, meet the test request of various sample.
Accompanying drawing explanation
Fig. 1 is the structural representation of test macro one preferred embodiment that fiber linear density strength and elongation of the present invention is measured with machine.
In Fig. 1: 1-line density test cell, 101-LED, 102-phototriode, 103-upper spacer, 104-lower spacer, 2-strength and elongation test cell, 201-upper clamper, 202-lower gripper, 3-fiber samples, 4-pivoted arm, 5-clamper, 6-bearing, 7-motor, 8-electromagnetic attracting device, 9-start button, 10-under press from both sides button, 11-above press from both sides button, 12-rise button, 13-button falls, 14-stop button, 15-polycore cable, 16-computing machine, 17-display, 18-printer, 19-keyboard, 20-mouse.
Fig. 2 is the structural representation of the autovibration test cell in present system.
In Fig. 2: 101-LED, 102-phototriode, 103-upper spacer, 104-lower spacer, 105-oscillator, 106-amplifying circuit, the 107-the first data processor, 3-sample, 16-computing machine.
Fig. 3 is the structural representation of the strength and elongation test cell in present system.
In Fig. 3: 201-upper clamper, 202-lower gripper, 203-LOAD CELLS, 204-pneumatic controller, the 205-the second data processor, 3-fiber samples, 16-computing machine.
Embodiment
The present invention is introduced further below in conjunction with drawings and Examples.
Refer to Fig. 1-3, the invention discloses a kind of fiber linear density strength and elongation with machine test macro.As shown in the figure: it comprises line density test cell 1, strength and elongation test cell 2 and mechanical arm; Wherein: this line density test cell 1 has upper spacer 103, lower spacer 104; This strength and elongation test cell 2 has upper clamper 201, lower gripper 202; This mechanical arm is arranged between line density test cell 1, strength and elongation test cell 2, comprise the pivoted arm 4 driven by motor 7, the front end of this pivoted arm 4 has clamper 5, above the upper spacer 103 that this clamper 5 can move to line density test cell 1 by the rotation of pivoted arm 4 and above the upper clamper 201 of strength and elongation test cell 2; Strength and elongation test cell 2 has the electromagnetic attracting device 8 that can control clamper 5 folding.
As Fig. 2, this line density test cell 1 also comprises LED 101, phototriode 102, upper spacer 103, lower spacer 104, oscillator 105, amplifying circuit (106) and the first data processor 107; This LED 101, phototriode 102 are separately positioned on the both sides of fiber samples 3 between spacer 103 and lower spacer 104; This oscillator 105 is connected with upper spacer 103, and this oscillator 105 is by the first data processor 107 connection control; This phototriode 102 is connected with the first data processor 107 by amplifying circuit 106.
Consult Fig. 1 incorporated by reference to Fig. 2, the first data processor 107 of this line density test cell 1 connects computing machine 16 by polycore cable 15, and this computing machine 16 connects display 17, printer 18, keyboard 19 and mouse 20 further.
As preferably, the XD-1 fiber type fineness instrument structure that line density test cell 1 can adopt Xinxian Instrument Co., Ltd., Shanghai to produce.
As Fig. 3, this strength and elongation test cell 2 also comprises LOAD CELLS 203, pneumatic controller 204 and the second data processor 205; On this, clamper 201 connects LOAD CELLS 203, pneumatic controller 204 respectively, and this lower gripper 202 connects pneumatic controller 204; This LOAD CELLS 203, pneumatic controller 204 connect the second data processor 205 respectively.
Consult Fig. 1 incorporated by reference to Fig. 3, the second data processor 205 of this strength and elongation test cell 2 connects computing machine 16 by polycore cable 15, and this computing machine 16 connects display 17, printer 18, keyboard 19 and mouse 20 further.
As preferably, the XQ-1A fiber type strength and elongation instrument structure that strength and elongation test cell 2 can adopt Xinxian Instrument Co., Ltd., Shanghai to produce.
Employing mechanical arm computer measurement and control as above realizes autovibration formula line density test cell and pneumatic automatic clamp holds fiber strength and elongation test cell with machine test macro, realizes fiber linear density and strength and elongation realizes as follows with machine method for automatic measurement:
1, the power supply of fiber linear density strength and elongation with apparatus test device and computing machine is opened, preheating half an hour.
2, fiber samples 3 is linked into clamper 5 jaw being arranged in instrument left autovibration formula line density test cell 1 cock arm 4, sample 3 leans against on spacer 103 and lower spacer 104, press instrument automatic button 9, by polycore cable 15, operation signal is sent to computing machine 16, computing machine 16 transmits test signal to line density test cell 1 by polycore cable 15, fiber samples 3 is in LED 101, phototriode 102, amplifying circuit 106, starting of oscillation under first data processor 107 and oscillator 105 acting in conjunction vibration are in fibrous material natural frequency, because the line density of the natural vibration frequency of fiber under certain length and tension force and fiber samples exists certain mathematical relation, the line density of tested fibrous material is calculated after line density test cell 1 measuring vibrations frequency, by polycore cable 15, this numerical value is sent to computing machine 16 again, and at display 17 display line density value.
3, after fiber linear density has been tested, pivoted arm 4 with bearing 6 for fulcrum, automatically the top of the upper clamper 201 being positioned at instrument right fiber strength and elongation test cell 2 is gone to, and among jaw fiber samples 3 being introduced upper clamper 201 and lower gripper 202, pneumatic controller 204 orders about clamper 201 and closes, electromagnetic attracting device 8 opens pivoted arm clamper 5, then pneumatic controller 204 orders about the closed rear decline drawing of fiber sample automatically of lower gripper 202 to fracture, in drawing of fiber specimen, display 17 screen shows fiber strength, extend, line density, intensity, modulus, the property indices such as load at certain elongation and breaking work and power-extension curve.
4, after strength and elongation has been tested, upper clamper 201 and lower gripper 202 are opened, and lower gripper 202 automatic re-ascending, to original position, is got ready for next time tests.
If only need fiber linear density be tested, individual event fibre fineness test option can be set in computing machine 16, by step 2, measure the monodrome of fiber samples line density, mean value and the coefficient of variation.
If only fiber strength and elongation need be tested, individual event fiber strength and elongation test option can be set in computing machine 16, among the jaw of the supreme clamper 201 of tweezers gripping fiber samples and lower gripper 202, by step 3, record the monodrome of each index of fiber strength and elongation, mean value and the coefficient of variation.
Be only preferred embodiment of the present invention in sum, be not used for limiting practical range of the present invention.Namely all equivalences done according to the content of the present patent application the scope of the claims change and modify, and all should be technology category of the present invention.
Claims (6)
1. fiber linear density strength and elongation is with a machine test macro, it is characterized in that: it comprises line density test cell (1), strength and elongation test cell (2) and mechanical arm; Wherein: this line density test cell (1) has upper spacer (103), lower spacer (104); This strength and elongation test cell (2) has upper clamper (201), lower gripper (202); This mechanical arm is arranged between line density test cell (1), strength and elongation test cell (2), comprise the pivoted arm (4) driven by motor (7), the front end of this pivoted arm (4) has clamper (5), and this clamper (5) can move to upper spacer (103) top of line density test cell (1) and upper clamper (201) top of strength and elongation test cell (2) by the rotation of pivoted arm (4); Strength and elongation test cell (2) has the electromagnetic attracting device (8) that can control clamper (5) folding.
2. fiber linear density strength and elongation according to claim 1 is with machine test macro, it is characterized in that: this line density test cell (1) also comprises LED (101), phototriode (102), upper spacer (103), lower spacer (104), oscillator (105), amplifying circuit (106) and the first data processor (107); This LED (101), phototriode (102) are separately positioned on the both sides of fiber samples (3) between spacer (103) and lower spacer (104); This oscillator (105) is connected with upper spacer (103), and this oscillator (105) is by the first data processor (107) connection control; This phototriode (102) is connected with the first data processor (107) by amplifying circuit (106).
3. fiber linear density strength and elongation according to claim 2 is with machine test macro, it is characterized in that: first data processor (107) of this line density test cell (1) connects computing machine (16) by polycore cable (15), and this computing machine (16) connects display (17), printer (18), keyboard (19) and mouse (20) further.
4. fiber linear density strength and elongation according to claim 1 is with machine test macro, it is characterized in that: this strength and elongation test cell (2) also comprises LOAD CELLS (203), pneumatic controller (204) and the second data processor (205); On this, clamper (201) connects LOAD CELLS (203), pneumatic controller (204) respectively, and this lower gripper (202) connects pneumatic controller (204); This LOAD CELLS (203), pneumatic controller (204) connect the second data processor (205) respectively.
5. fiber linear density strength and elongation according to claim 4 is with machine test macro, it is characterized in that: second data processor (205) of this strength and elongation test cell (2) connects computing machine (16) by polycore cable (15), and this computing machine (16) connects display (17), printer (18), keyboard (19) and mouse (20) further.
6. fiber linear density strength and elongation is with a machine method of testing, it is characterized in that: it adopts the fiber linear density strength and elongation as described in claim 1 or 2 or 3 or 4 or 5 to test with machine test macro, specifically comprises the steps:
Fiber samples (3) is linked into clamper (5) jaw being arranged in instrument line density measurement unit (1) cock arm (4), fiber samples (3) leans against on spacer (103) and lower spacer (104), fiber samples (3) is in LED (101), phototriode (102), amplifying circuit (106), starting of oscillation under data processor (107) and oscillator (105) acting in conjunction vibration are in fibrous material natural frequency, the line density of tested fibrous material is calculated after line density test cell (1) measuring vibrations frequency, by polycore cable (15), this numerical value is sent to computing machine (16) again, and at display (17) display line density value,
After fiber linear density has been tested, pivoted arm (4) with bearing (6) for fulcrum, automatically the top of the upper clamper (201) of fiber strength and elongation test cell (2) is gone to, and by among the jaw of clamper (201) and lower gripper (202) in fiber samples (3) introducing, pneumatic controller (204) orders about clamper (201) and closes, electromagnetic attracting device (8) opens clamper (5), then pneumatic controller (204) orders about the closed rear decline drawing of fiber sample (3) automatically of lower gripper (202) to fracture, in drawing of fiber specimen, LOAD CELLS (203) is tested pulling force all the time and test signal is sent to computing machine (16) by polycore cable (15), and fiber strength is shown on display (17) screen, extend, line density, intensity, modulus, the property indices such as load at certain elongation and breaking work and power-extension curve,
After strength and elongation has been tested, upper clamper (201) and lower gripper (202) have been opened, and lower gripper (202) automatic re-ascending, to original position, is got ready for next time tests.
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| CN201510250398.9A CN104819911A (en) | 2015-05-18 | 2015-05-18 | Fiber linear density strength elongation simultaneous test system and test method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109612834A (en) * | 2018-12-21 | 2019-04-12 | 东华大学 | A kind of built-in lock for beam intensity instrument cuts sample-weighing device and purposes |
| CN109708603A (en) * | 2019-01-28 | 2019-05-03 | 鲁普耐特集团有限公司 | A kind of fibrecord diameter and line density tester and its test method |
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Application publication date: 20150805 |