CN104132890A - Automatic inspection device for raw silk cohesion and method for inspecting raw silk cohesion - Google Patents
Automatic inspection device for raw silk cohesion and method for inspecting raw silk cohesion Download PDFInfo
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- CN104132890A CN104132890A CN201410397017.5A CN201410397017A CN104132890A CN 104132890 A CN104132890 A CN 104132890A CN 201410397017 A CN201410397017 A CN 201410397017A CN 104132890 A CN104132890 A CN 104132890A
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Abstract
The invention relates to an automatic inspection device for raw silk cohesion. The automatic inspection device comprises a reciprocating linear sliding table, a reciprocating sliding block, raw silk support frames, a raw silk tension weight, a friction blade group, a silk guiding pulley and an automatic inspection control system, wherein the automatic inspection control system is composed of a capacitive silk density sensor, a touch screen, a programmable controller, a motor driver, a sliding table motor and a computer. A method for inspecting the raw silk cohesion comprises the following steps: one end of a raw silk strip to be inspected is fixed to one raw silk support frame through a silk clamping nut, and the other end of the raw silk strip to be inspected penetrates through the capacitive silk density sensor and the friction blade group, then passes through the silk guiding pulley fixedly mounted on the other raw silk support frame, and finally is hooked on the raw silk strip tension weight; the reciprocating linear sliding table is utilized to drive the friction blade group on the reciprocating sliding block so as to carry out constant-linear-speed reciprocating friction on the raw silk strip to be inspected at constant uniform speed; meanwhile, the following capacitive silk density detection sensor is utilized to detect the splitting condition of the raw silk strip to be inspected caused by friction; the programmable controller determines the cohesion performance of raw silk.
Description
Technical field
The present invention relates to a kind of pick-up unit and detection method thereof of raw silk performance, especially a kind of pick-up unit of raw silk cohesion and the method for detection of raw silk cohesion thereof.
Background technology
Raw silk cohesion refers to the silk that forms raw silk, after friction, there is the complexity of division, by the inspection procedure of existing raw silk test method " GB/T1798-2008(replaces GB/T1798-2001) ", be to split into the foundation of to a certain degree needed friction number of times as its obvolvent performance of measurement using raw silk; " strand is back and forth placed in continuously between 10 hooks on obvolvent machine frame both sides, under constant and uniform tension force, the different parts of strand is rubbed simultaneously, friction velocity is about 130 times/min.Generally, do for the first time and observe during to 45 left and right in friction, certain number of times that later rubs should be shut down and be examined strand splitting degree, until while there is 6 mm and above strand cracking in strand more than half, record friction number of times.Obvolvent number of times using the mean value round numbers of 20 silk ingots (cylinder) as this batch of silk ".
Obvolvent inspection, it is the deadlocked fastness (obvolvent performance) of silk that detects raw silk, coherent is poor, while weaving, easily cause silk fluffing, tangle, fracture and weave faults, cause that fabric produces the color and luster faults such as fluffing uneven dyeing of turning white, and directly affects processing and the usability of silk product; Therefore each main raw silk importer pays close attention to raw silk cohesion always, being widely used and the production of high gear fabric of high speed silk loom especially at present, and silk fabric factory proposes all the more higher requirement to raw silk cohesion index; But because obvolvent measuring means is relatively backward at present, can only serve as subsidy Interventions Requested important in silk inspection and testing.
The reason that causes such situation is mainly that traditional Duplan(Du who uses at present sprinkles wave) formula obvolvent machine, carry out coherent detection by the artificial mode of inspecting, still continue to use traditional artificial sense organ mode and carry out rating; This method of inspection automaticity is not high, stronger to sense organ dependence, and checkability and accuracy rate are on the low side.The main defect existing is: one, to strand, division has a great impact friction velocity, and the faster strand splitting degree of speed is heavier, otherwise lighter.And Duplan formula obvolvent machine is opened at every turn, is shut down initial velocity and is all less than normal speed; corresponding the reducing of the suffered friction of strand; and not constant uniform; open, shut down number of times more; accumulative total impact is larger, has influence on the accuracy (being repeatedly that startup-shutdown is observed with existing test stone) of result.Two, in physical construction, Duplan formula obvolvent machine friction reciprocator is a toggle, drive crankwheel to rotate by motor by worm and gear, the slide block that makes to be arranged on the crank connecting link other end drives friction plate group friction disc reciprocating and tested raw silk is carried out to reciprocating friction.But due to the nonlinear characteristic of crank block device, to-and-fro movement that this brace and connecting rod framework produces is congenital there is non-linear to-and-fro movement (speed changes with sinusoidal wave rule by zero-maximum-zero), be not constant uniform to the raw silk reciprocating friction being verified, the friction force that each position of the raw silk being verified is subject to is different.Three, reciprocating friction stroke is short, large to tested raw silk impulsive force; The stroke of the Duplan formula obvolvent machine reciprocating friction generally using at present only has 9 centimetres, and reciprocal by per minute 130 times, impact per second is greater than 2 times, very easily causes fracture of wire to make to check unsuccessfully.Four, judge, determine the obvolvent performance achievement of tested raw silk by the fragmentation condition of manual observation raw silk; artificial sense organ dependence is strong; especially rub after observation is for the first time done in 45 shutdown and need to determine that the number of times of friction need to rely on personal experience to estimate again by inspection procedure; be difficult to accurate assurance; and sight difference between different reviewers; even if same reviewer tests under different states, its sight is also difficult to accomplish in full accord, has the inaccurate leak that bears results.In addition, by existing raw silk test method, every batch of raw silk cohesion inspection need to repeat to do 20 times, obvolvent number of times using the mean value round numbers of 20 silk ingots (cylinder) as this batch of silk, exist workload large, efficiency is low, the problem of man's activity assay.
Therefore, need badly the existing raw silk cohesion method of inspection and device are improved, to realize the inspection of quickly, efficiently and accurately.
Patent announcement number discloses a kind of detection method and device thereof for " a kind of raw silk cohesion detection method and device thereof " for CN1558206A, denomination of invention, this pick-up unit by rubbing, seal wire, reciprocating mechanism and sensor detects, computer processing system forms; When detection, raw silk is made at the uniform velocity shuttling movement, stands the repeated action of friction, bending, stretching, is detected in real time the variation of string diameter by sensor, according to the relation between the rate of change of measured string diameter and raw silk cycle index or run duration, determine the obvolvent performance of raw silk.But because the detection method of this device is to adopt to be examined strand rapid movement, the motionless mode of friction blade, in detecting with traditional raw silk cohesion, strand is static, the method of friction blade rapid movement (friction velocity is about 130 times/min) is inconsistent, and examined the length of strand, also inconsistent with the sample filament length degree of current detection, and the cracking of raw silk changes and raw silk density in friction process, suffered tension force, friction velocity, rubbing method is closely bound up with the obvolvent performance of raw silk own, if detection method, principle, checkout equipment is inconsistent, cause testing result and former Duplan formula obvolvent machine result difference large, traditional raw silk user is difficult for accepting to drawn testing result.
Therefore, develop one and meet the novel raw silk cohesion inspection automatic test machine that inspection procedure, its testing result of existing raw silk test method (GB/T1798-2008) can be accepted by traditional raw silk user again, carry out raw silk cohesion real time automatic detection, and use computing machine to analyze judgement, directly export raw silk cohesion survey report; Vast raw silk user and raw silk production unit technical matters in the urgent need to address; Detection timeliness and efficiency are improved in Silk Mill and quality testing department, improve justice, there is stronger practicality and dissemination.
Summary of the invention
The object of the invention is to that a kind of automaticity is high, accurate, efficient, assay is objective reliable for raw silk coherent inspection provides, not only met inspection procedure, its testing result of existing raw silk test method (GB/T1798-2008) but also a kind of " raw silk cohesion self-checking device and the method for detection of raw silk cohesion thereof that can be accepted by traditional raw silk user
", to solve vast raw silk user and raw silk production unit technical matters in the urgent need to address.
For addressing the above problem, the technical solution used in the present invention is: a kind of raw silk cohesion self-checking device, is characterized in that: this raw silk cohesion self-checking device comprises reciprocating linear slide unit, base, reciprocal slide block, 2 raw silk bracing frames, raw silk tension counterweight, friction set of blades, condenser type silk density sensor, wired nut, Programmable Logic Controller, touch-screen, motor driver, slide unit motor, seal wire pulley and computing machines;
Reciprocating linear slide unit is arranged on base, both sides respectively have one for the raw silk bracing frame of tested raw silk strand is installed, back and forth slide block is arranged on straight line slide unit, on it, be installed with friction set of blades and condenser type silk density sensor, for driving the slide unit motor of reciprocal slide block to be arranged on one end of straight line slide unit;
Described friction set of blades comprises cutter group, bottom knife group and fixed connection shaft, and fixed connection shaft is fixed on bottom knife group one side, and there is strip pin-and-hole its upper end, and cutter group is fixed on fixed connection shaft top by bearing pin pin;
Condenser type silk density sensor, touch-screen, Programmable Logic Controller, motor driver, slide unit motor and computing machine composition automatic detection and control system;
When detection, one end of tested raw silk strand is fixed therein on a raw silk bracing frame by wired nut, tested raw silk strand is through the cutter group, bottom knife group of condenser type silk density sensor, friction set of blades, and the other end is hooked on raw silk strand tension force counterweight after being fixedly mounted on the seal wire pulley on another raw silk bracing frame.
The further technical scheme of described raw silk cohesion self-checking device is: on described friction set of blades, the pressure of the structure of set of blades and bottom knife group, blade and the smooth finish of cutting edge of a knife or a sword mouth ask identical with the obvolvent of existing Duplan formula is confidential.
Described straight line slide unit, back and forth slide block and slide unit motor are the commercially available known products in electronic product component market.
The number of described tested raw silk strand is n bar, and described condenser type silk density sensor number n is identical with the number of tested raw silk strand, and a tested raw silk strand is joined a condenser type silk density sensor, and n is any number between 1～20.
Its another relevant technical scheme is: a kind of method that detects raw silk cohesion, it is to utilize the above-mentioned raw silk cohesion self-checking device of the present invention to realize the method that detects raw silk cohesion, that is: utilize linear reciprocating linear slide unit to drive the friction set of blades on reciprocal slide block, with constant uniform speed, detected raw silk strand is carried out to permanent linear speed reciprocating friction; Simultaneously by servo-actuated condenser type silk density detection sensor to detected raw silk strand owing to detected by fricative fragmentation condition; In the time that the fragmentation condition of detected raw silk strand generation reaches setting value, determined the obvolvent performance of raw silk by Programmable Logic Controller or computing machine; The number of described tested raw silk strand is n bar, and the actual detection of tested raw silk strand length is determined by the effective travel L of reciprocal slide block; Described condenser type silk density sensor number n is identical with the number of tested raw silk strand, and a tested raw silk strand is joined a condenser type silk density sensor, and n is any number between 1～20, and L is any number between 0.1～1 meter.
The concrete testing process of the method for described detection raw silk cohesion is:
A, tested raw silk strand is installed: first the cutter group of friction set of blades is upwards opened, one end of tested raw silk strand is fixed therein on a raw silk bracing frame by wired nut, tested raw silk strand is through the cutter group, bottom knife group of condenser type silk density sensor and friction set of blades, and the other end is hooked on raw silk strand tension force counterweight after being fixedly mounted on the seal wire pulley on another raw silk bracing frame; Make tested raw silk strand stretching and under the pulling force of counterweight, maintain strand and there is certain tension force; The cutter group of closing, strand now with blade mutually vertical become cross;
B, setup parameter, device is started working:
1. the effective travel L that sets reciprocal slide block by the man-machine conversation window of touch-screen is: the friction stroke of friction set of blades, friction velocity ν: friction number of times/minute, tested raw silk specification, sample silk is embraced flat numbering, by starting check valve, device is started working;
2. tested raw silk strand fluffs under the reciprocating friction of friction set of blades, loose, division, splitting degree is detected and converts to electric weight size by condenser type silk density sensor, deliver to Programmable Logic Controller and touch-screen and carry out analyzing and processing, in the time representing that the electric weight of strand splitting degree reaches settings, friction stops, and touch-screen shows the obvolvent number of this tested raw silk sample.
The further technical scheme of the method for described detection raw silk cohesion is: the present invention is by condenser type silk density sensor, touch-screen, Programmable Logic Controller, motor driver, the automatic detection and control system of slide unit motor and computing machine composition, also there is stubble warning device function, when sample silk ruptures in friction process, condenser type silk density sensor will be delivered to Programmable Logic Controller and computing machine local flaw signal, controller can send cutoff command at once, stop the rotation of slide unit motor by motor driver, device motion is stopped, on touch-screen, send sound and light alarm signal simultaneously.
Owing to taking above technical scheme, a kind of raw silk cohesion self-checking device of the present invention and there is following characteristics and beneficial effect for detection of the method for raw silk cohesion:
1. in testing process, owing to having adopted linear reciprocating linear slide unit band kinetic friction set of blades, the motion of constant speed makes the friction force of detected strand evenly also identical everywhere, has overcome the non-linear defect that causes inhomogeneous friction of linear velocity of former Duplan obvolvent machine employing crank connecting rod sliding block mechanism completely; In addition, owing to adopting linear reciprocating linear slide unit scheme, friction set of blades reciprocating friction stroke can need to arrange arbitrarily according to inspection, and due to slide unit stroke long enough, solve that the obvolvent of original Duplan formula is confidential to be wound around tested raw silk strand back and forth, and approach each hook place can rub less than and can not be to all even effective problems of inspection of whole rhizoid bar.
2. in checkout procedure, tested strand is carried out at any time to detect in real time silk split situation owing to having adopted condenser type silk density detection sensor to follow friction set of blades, therefore each inspection does not need to shut down midway and observes, and disposablely completes inspection, and it is automatic, efficient, accurate, objective to have realized; Having overcome former Duplan obvolvent machine need to repeatedly shut down, and by the artificial subjective personal error of determining coherent that detects, has improved efficiency and accuracy rate.
3. owing to having adopted the automatic detection and control system being formed by condenser type silk density sensor, touch-screen, Programmable Logic Controller, motor driver, slide unit motor etc., can need to and on touch-screen, carry out digitized demonstration and setting by the detected degree (obvolvent number) of splitting of sensor to the stroke of the friction set of blades of obvolvent machine, speed according to the difference of inspection and test, and can carry out the storage, statistics of data, assay generating report forms and obvolvent survey report to batching sample silk.Realize full-automatic inspection and the information system management of raw silk cohesion.
Below, the raw silk cohesion self-checking device to the present invention and the technical characterictic for detection of the method for raw silk cohesion thereof are further described in conjunction with the accompanying drawings and embodiments.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention's raw silk cohesion self-checking device;
Fig. 2 is the schematic diagram of raw silk cohesion self-checking device;
Fig. 3 is the view of raw silk strand through friction set of blades and condenser type silk density detection sensor;
Fig. 4 is friction set of blades opening-closing structure schematic diagram (in opening state);
Fig. 5 is friction set of blades and condenser type silk density sensor structure and scheme of installation.
In figure:
1-reciprocating linear slide unit, the reciprocal slide block of 2-, 3-raw silk bracing frame, 4-raw silk tension counterweight, 5-raw silk strand, the 6-set of blades that rubs, 7-condenser type silk density sensor, the wired nut of 8-, 9-Programmable Logic Controller, 10-touch-screen, 11-motor driver, 12-slide unit motor, 13-seal wire pulley, 14-computing machine, 15-base;
The effective travel of the reciprocal slide block 2 of L-, that is: the friction stroke of friction set of blades 6;
ν-back and forth movement velocity of slide block 2, that is: the friction velocity of friction set of blades 6.
Embodiment
Embodiment mono-:
A kind of raw silk cohesion self-checking device, as shown in Figure 1 and Figure 2, this raw silk cohesion self-checking device comprises reciprocating linear slide unit 1, reciprocal 2,2 raw silk bracing frames 3 of slide block, raw silk tension counterweight 4, friction set of blades 6, condenser type silk density sensor 7, wired nut 8, Programmable Logic Controller 9, touch-screen 10, motor driver 11, slide unit motor 12, seal wire pulley 13, computing machine 14 and base 15, and its annexation and principle are referring to Fig. 2;
Reciprocating linear slide unit 1 is arranged on base 15, both sides respectively have one for the raw silk bracing frame 3 of tested raw silk strand 5 is installed, back and forth slide block 2 is arranged on straight line slide unit 1, on it, be installed with friction set of blades 6 and condenser type silk density sensor 7, for driving the slide unit motor 12 of reciprocal slide block 2 to be arranged on one end of straight line slide unit 1;
Described friction set of blades 6 comprises cutter group 61, bottom knife group 62 and fixed connection shaft 63, fixed connection shaft 63 is fixed on bottom knife group 62 1 sides, there is strip pin-and-hole its upper end, cutter group 61 is fixed on fixed connection shaft 63 tops (referring to Fig. 4) by bearing pin pin, by regulating the fixed position of cutter group 61 bearing pin pins, can regulate distance and pressure between cutter group 61 and bottom knife group 62, the structure of set of blades 61 and bottom knife group 62 on described friction set of blades 6, the smooth finish of the pressure of blade and cutting edge of a knife or a sword mouth asks identical with the obvolvent of existing Duplan formula is confidential,
Condenser type silk density sensor 7, touch-screen 10, Programmable Logic Controller 9, motor driver 11, slide unit motor 12 and computing machine 14 form automatic detection and control system;
When detection, one end of tested raw silk strand 5 is by wired nut
8be fixed therein on a raw silk bracing frame 3, tested raw silk strand 5 is through the cutter group 61, bottom knife group 62 of condenser type silk density sensor 7, friction set of blades 6, the other end is hooked on raw silk strand tension force counterweight 4 after being fixedly mounted on the seal wire pulley 13 on another raw silk bracing frame 3, and tension force can be adjusted (referring to Fig. 1, Fig. 2, Fig. 3, Fig. 5) by counterweight size.
Described straight line slide unit 1, back and forth slide block 2 and slide unit motor 12 are the commercially available known products in electronic product component market.
The number of the tested raw silk strand 5 of the self-checking device of raw silk cohesion shown in Fig. 1 is 1, the actual detection length of tested raw silk strand 5 is according to the back and forth effective travel L decision of slide block 2, with existing inspection procedure, be preferably 1 meter, also can be set as needed stroke by automatic detection and control system, generally can be set as any number between 0.1-1 rice.
As the one conversion of the embodiment of the present invention, the number n of described tested raw silk strand 5 can also increase to 2～20, the actual detection length of tested raw silk strand 5 is according to the back and forth effective travel L decision of slide block 2, with existing inspection procedure, be preferably 1 meter, also can be set as needed stroke by automatic detection and control system, generally can be set as any number between 0.1～1 meter; Described condenser type silk density sensor 7 number n are identical with the number of tested raw silk strand 5, and a tested raw silk strand is joined a condenser type silk density sensor 7.
Embodiment bis-:
A kind of method that detects raw silk cohesion, it is to utilize raw silk cohesion self-checking device described in embodiment mono-to realize the method that detects raw silk cohesion, that is: utilize linear reciprocating linear slide unit to drive the friction set of blades on reciprocal slide block, with constant uniform speed, detected raw silk strand is carried out to permanent linear speed reciprocating friction; Simultaneously by servo-actuated condenser type silk density detection sensor to detected raw silk strand owing to detected by fricative fragmentation condition; In the time that the fragmentation condition of detected raw silk strand generation reaches setting value, determined the obvolvent performance of raw silk by Programmable Logic Controller or computing machine, the number of described tested raw silk strand 5 is n bar, and the actual detection length of tested raw silk strand 5 is determined by the effective travel L of reciprocal slide block 2; Described condenser type silk density sensor 7 number n are identical with the number of tested raw silk strand 5, a tested raw silk strand is joined a condenser type silk density sensor 7, n is any number between 1～20, and L is any number (referring to Fig. 1) between 0.1～1 meter, and its electrical schematic diagram is referring to Fig. 2.
Its concrete testing process is:
A, tested raw silk strand is installed: first the cutter group 61 of friction set of blades is upwards opened to (as Fig. 4), one end of tested raw silk strand 5 is fixed therein on a raw silk bracing frame 3 by wired nut 8, tested raw silk strand 5 other ends, through the cutter group 61, bottom knife group 62 of condenser type silk density sensor 7, friction set of blades 6, are hooked on raw silk strand tension force counterweight 4 after being fixedly mounted on the seal wire pulley 13 on another raw silk bracing frame 3; Make tested raw silk strand stretching and under the pulling force of counterweight, maintain strand and there is certain tension force
,tension force can be adjusted by counterweight size; The cutter group 61 of closing, now the situation of tested strand in friction set of blades 6 and condenser type silk density sensor 7 is as Fig. 3; Tested raw silk strand now with blade mutually vertical become cross;
B, setup parameter, device is started working:
1. the effective travel L that sets reciprocal slide block 2 by the man-machine conversation window of touch-screen 10 is: the friction stroke of friction set of blades 6; Friction velocity ν is: friction number of times/minute; Tested raw silk specification, sample silk is embraced flat numbering, and by starting check valve, device is started working;
2. tested strand 5 fluffs under the reciprocating friction of friction set of blades 6, loose, division, splitting degree is detected and converts to electric weight size by condenser type silk density sensor 7, deliver to Programmable Logic Controller 9 and touch-screen 10 carries out analyzing and processing, in the time representing that the electric weight of strand splitting degree reaches settings, friction stops, and touch-screen shows the obvolvent number of this tested raw silk sample.
Experimental results show that, the reciprocal friction of friction set of blades and stretching cause tested strand fluffing, loosely turn white, diameter that division can cause raw silk changes and silk thread variable density, these change the known coherent that can be detected and can fully be reflected by condenser type silk density sensor raw silk, and suitable silk density sensor can be chosen and obtain on market.
The automatic detection and control system that the present invention is made up of condenser type silk density sensor, touch-screen, Programmable Logic Controller, motor driver, slide unit motor etc., also there is stubble warning device function, when sample silk ruptures in friction process, condenser type silk density sensor 7 will be delivered to Programmable Logic Controller 9 local flaw signal, controller can send cutoff command at once, stop the rotation of slide unit motor 12 by motor driver 11, device motion is stopped, on touch-screen 10, sending sound and light alarm signal simultaneously.
Programmable Logic Controller 9, delivers to data by computer general-purpose interface (RS-485) that computing machine 14 is analyzed, processes, stores, added up, the information system management such as assay generating report forms and obvolvent survey report, printing to batching sample silk; Its concrete practice can be accomplished with known technology, be repeated no more herein.
Back and forth effective travel (the friction stroke of the set of blades that the rubs 6) L of slide block 2 and the back and forth movement velocity (friction velocity of the set of blades that rubs 6) of slide block 2
νcan set by touch-screen 10, by driving slide unit motor 12 to realize through motor driver 11 after Programmable Logic Controller 9 computings.
Forming the principle of work such as the reciprocating linear slide unit (comprising reciprocal slide block), Programmable Logic Controller, motor driver, slide unit motor of raw silk cohesion self-checking device of the present invention can be with reference to pertinent literature, here repeat no more, these products have standard component to select.
Claims (7)
1. a raw silk cohesion self-checking device, is characterized in that: this raw silk cohesion self-checking device comprises reciprocating linear slide unit (1), reciprocal slide block (2), 2 raw silk bracing frames (3), raw silk tension counterweight (4), friction set of blades (6), condenser type silk density sensor (7), wired nut (8), Programmable Logic Controller (9), touch-screen (10), motor driver (11), slide unit motor (12), seal wire pulley (13) and computing machine (14);
Reciprocating linear slide unit (1) is arranged on base (15), both sides respectively have one for the raw silk bracing frame (3) of tested raw silk strand (5) is installed, back and forth slide block (2) is arranged on straight line slide unit (1), on it, be installed with friction set of blades (6) and condenser type silk density sensor (7), for driving the slide unit motor (12) of reciprocal slide block (2) to be arranged on one end of straight line slide unit (1);
Described friction set of blades (6) comprises cutter group (61), bottom knife group (62) and fixed connection shaft (63), fixed connection shaft (63) is fixed on bottom knife group (62) one sides, there is strip pin-and-hole its upper end, and cutter group (61) is fixed on fixed connection shaft (63) top by bearing pin pin;
Condenser type silk density sensor (7), touch-screen (10), Programmable Logic Controller (9), motor driver (11), slide unit motor (12) and computing machine (14) composition automatic detection and control system;
When detection, one end of tested raw silk strand (5) is fixed therein on a raw silk bracing frame (3) by wired nut (8), tested raw silk strand (5) is through the cutter group (61), bottom knife group (62) of condenser type silk density sensor (7), friction set of blades (6), and the other end is hooked on raw silk strand tension force counterweight (4) after being fixedly mounted on the seal wire pulley (13) on another raw silk bracing frame (3).
2. raw silk cohesion self-checking device according to claim 1, is characterized in that: on described friction set of blades (6), the structure of set of blades (61) and bottom knife group (62), the pressure of blade and the smooth finish of cutting edge of a knife or a sword mouth ask identical with the obvolvent of existing Duplan formula is confidential.
3. raw silk cohesion self-checking device according to claim 1, is characterized in that: described straight line slide unit (1), back and forth slide block (2) and slide unit motor (12) are the commercially available known products in electronic product component market.
4. raw silk cohesion self-checking device according to claim 1, it is characterized in that: the number of described tested raw silk strand (5) is n bar, described condenser type silk density sensor (7) number is identical with the number of tested raw silk strand (5), a tested raw silk strand is joined a condenser type silk density sensor (7), and n is any number between 1～20.
5. one kind is detected the method for raw silk cohesion, it is characterized in that: it is to utilize raw silk cohesion self-checking device described in claim 1 to realize the method that detects raw silk cohesion, that is: utilize linear reciprocating linear slide unit to drive the friction set of blades on reciprocal slide block, with constant uniform speed, detected raw silk strand is carried out to permanent linear speed reciprocating friction; Simultaneously by servo-actuated condenser type silk density detection sensor to detected raw silk strand owing to detected by fricative fragmentation condition; In the time that the fragmentation condition of detected raw silk strand generation reaches setting value, determined the obvolvent performance of raw silk by Programmable Logic Controller or computing machine; The number of described tested raw silk strand (5) is n bar, and the actual detection length of tested raw silk strand (5) is determined by the effective travel L of reciprocal slide block (2); Described condenser type silk density sensor (7) number is identical with the number of tested raw silk strand (5), a tested raw silk strand is joined a condenser type silk density sensor (7), n is any number between 1～20, and L is any number between 0.1～1 meter.
6. the method for detection raw silk cohesion according to claim 5, is characterized in that: its concrete testing process is:
A, tested raw silk strand is installed: first the cutter group (61) of friction set of blades is upwards opened, one end of tested raw silk strand (5) is fixed therein on a raw silk bracing frame (3) by wired nut (8), tested raw silk strand (5) is through the cutter group (61), bottom knife group (62) of condenser type silk density sensor (7) and friction set of blades (6), and the other end is hooked on raw silk strand tension force counterweight (4) after being fixedly mounted on the seal wire pulley (13) on another raw silk bracing frame (3); Make tested raw silk strand stretching and under the pulling force of counterweight, maintain strand and there is certain tension force; The cutter group of closing (61), strand now with blade mutually vertical become cross;
B, setup parameter, device is started working:
1. the effective travel L that sets reciprocal slide block (2) by the man-machine conversation window of touch-screen (10) is: the friction stroke of friction set of blades (6), friction velocity ν is: friction number of times/minute, tested raw silk specification, sample silk is embraced flat numbering, by starting check valve, device is started working;
2. tested raw silk strand (5) fluffs under the reciprocating friction of friction set of blades (6), loose, division, splitting degree is detected and converts to electric weight size by condenser type silk density sensor (7), deliver to Programmable Logic Controller (9) and touch-screen (10) carries out analyzing and processing, in the time representing that the electric weight of strand splitting degree reaches settings, friction stops, and touch-screen shows the obvolvent number of this tested raw silk sample.
7. the method for detection raw silk cohesion according to claim 6, it is characterized in that: described by condenser type silk density sensor, touch-screen, Programmable Logic Controller, motor driver, the automatic detection and control system of slide unit motor and computing machine composition, also there is stubble warning device function, when sample silk ruptures in friction process, condenser type silk density sensor (7) will be delivered to Programmable Logic Controller (9) local flaw signal, controller can send cutoff command at once, stop the rotation of slide unit motor (12) by motor driver (11), device motion is stopped, on touch-screen (10), send sound and light alarm signal simultaneously.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576609A (en) * | 2017-09-27 | 2018-01-12 | 中国计量大学 | A kind of raw silk cohesion detection means and its application method |
| CN108717041A (en) * | 2018-06-04 | 2018-10-30 | 中国计量大学 | A kind of raw silk cohesion detection device and its detection method that multifibres ingot detects simultaneously |
| CN108801899A (en) * | 2018-06-25 | 2018-11-13 | 中国计量大学 | A kind of raw silk cohesion detection method based on machine vision |
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| CN114858039A (en) * | 2022-05-30 | 2022-08-05 | 共享智能装备有限公司 | Detection device and method for straightness of guide rail |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576609A (en) * | 2017-09-27 | 2018-01-12 | 中国计量大学 | A kind of raw silk cohesion detection means and its application method |
| CN108717041A (en) * | 2018-06-04 | 2018-10-30 | 中国计量大学 | A kind of raw silk cohesion detection device and its detection method that multifibres ingot detects simultaneously |
| CN108801899A (en) * | 2018-06-25 | 2018-11-13 | 中国计量大学 | A kind of raw silk cohesion detection method based on machine vision |
| CN109490123A (en) * | 2018-11-02 | 2019-03-19 | 广西出入境检验检疫局检验检疫技术中心 | Identify the obvolvent test method of dried cocoon raw silk |
| CN109655402A (en) * | 2018-11-27 | 2019-04-19 | 中国计量大学 | A kind of multifibres ingot multistation raw silk cohesion verifying attachment and its application method |
| CN112345347A (en) * | 2020-10-27 | 2021-02-09 | 南京玻璃纤维研究设计院有限公司 | Device and method for representing weavability of tows |
| CN113588550A (en) * | 2021-08-31 | 2021-11-02 | 西部超导材料科技股份有限公司 | Testing device and testing method for embedding binding force of superconducting wire |
| CN114858039A (en) * | 2022-05-30 | 2022-08-05 | 共享智能装备有限公司 | Detection device and method for straightness of guide rail |
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