CN1035356A - Full-automatic brute-force tester for rove - Google Patents
Full-automatic brute-force tester for rove Download PDFInfo
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- CN1035356A CN1035356A CN 88105218 CN88105218A CN1035356A CN 1035356 A CN1035356 A CN 1035356A CN 88105218 CN88105218 CN 88105218 CN 88105218 A CN88105218 A CN 88105218A CN 1035356 A CN1035356 A CN 1035356A
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- chuck
- rove
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- dynamometry
- stretching
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Abstract
The invention provides a kind of instrument of automatic test brute-force of rove.
The principal character of this instrument is by moving chuck and one section rove sample of a dynamometry chuck clamping, and by motor-driven one spiral of Archimedes constant speed stretching cam rotation, this cam orders about moving chuck constant speed movement.The rove sample certain-length that is stretched, brute-force of rove peak value this moment mistake, but do not broken.The dynamometry chuck with suffered power by leverage in load sensor, by microcomputer the electric signal of load sensor output is handled, go out test result by printer prints.Drawing yarn sampling, clamping stretching and dynamometry process finishes automatically by microcomputer control.
Description
The invention belongs to a kind of instrument that is used to test brute-force of rove in the cotton spinning industry.
In spinning engineering, spun yarn quality and rove inherent quality are closely related.Brute-force of rove is the decision spinning process and becomes one of dried major parameter of sliver.For a long time, the cotton mill engineering technical personnel suffer from does not have special brute-force of rove testing tool, have to pull the estimation brute-force of rove with hand and adjust production technology.Select 350,351 documents (world patent literature index document, time limit 1963-) for use by the DIALOG searching system, " brute-force tester for rove automatically " carried out literature search, the result shows also do not have this quasi-instrument abroad.
Task of the present invention is the instrument that a kind of automatic test brute-force of rove will be provided, so that test brute-force of rove quickly and accurately, provides reliable foundation for reasonably designing rove and spinning process.
Task of the present invention is finished as follows: simulate spacing and the constant speed stretching of spun yarn first break draft district, by moving chuck and one section rove sample of a dynamometry chuck clamping, by clamping stretching motor-driven-spiral of Archimedes constant speed stretching cam rotation, this cam orders about moving chuck constant speed movement, the tested rove certain-length that is stretched, at this moment, the peak value of brute-force of rove is mistake, but is not broken.The brute force of rove changes by the dynamometry chuck and passes through a lever transmission to load sensor, and load sensor is converted to electric signal with power.Because rove is not broken in the test process, this provides advantageous conditions for drawing yarn, interval sampling and follow-on test automatically.Tested rove sample is that yarn tracting motor passes through the input delivery roller of worm gear, a pair of synchronous rotation of worm drive and exports delivery roller with its positive moving chuck and dynamometry Chuck jaw introduced.The jaw clamping of moving chuck and dynamometry chuck is to be controlled by mechanical drive by clamping stretching motor with unclamping.The present invention is stopped by microcomputer control yarn tracting motor and clamping stretching motor and rotates, realize drawing automatically yarn, sampling at interval, automatic clamping and stretching and dynamometry process by mechanical drive, and the signal of load sensor input carried out data processing, go out test result by printer prints.
Reasonable in design of the present invention, easy and simple to handle, the automaticity height, test index is complete.Dynamometry precision and range ability all can satisfy the requirement of cotton mill production technology.Decapacitation is tested outside the brute-force of rove of various fibers, also can test the strip brute force, and it is maximum powerful particularly to measure rove under the situation that rove is not broken, and makes follow-on test and draw the yarn sampling automatically and be easy to realization.
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is a front elevation of the present invention;
Fig. 2 is automatic clamping of the present invention and constant speed drawing mechanism transmission synoptic diagram;
Fig. 3 is that the present invention draws yarn sampling mechanism transmission synoptic diagram automatically;
Fig. 4 is the side view of moving chuck (dynamometry chuck) in the automatic clamping device of the present invention;
Fig. 5 is a constant speed stretching device synoptic diagram of the present invention.
With reference to Fig. 1, Fig. 3, in sampling process, moving chuck (8) and dynamometry chuck (9) jaw unclamp, rove is drawn from rove letter (2) of creel (1), pass guide loudspeaker (3), enter input delivery roller (4), draw under the positive conveying of yarn roller (6) in the input of importing delivery roller (4) and be pressed in above it, rove passes moving chuck (8) and dynamometry chuck (9) jaw draws output between the yarn roller (7) from output delivery roller (5) and output.Input delivery roller (4) and output delivery roller (5) are driven respectively and input delivery roller (4) and the coaxial left and right sides worm gear (39) of output delivery roller (5) by the left and right sides worm screw (38) that yarn tracting motor (37) draws on the yarn transmission shaft (41) by belt wheel (40) transmission, make input delivery roller (4) and output delivery roller (5) rotate the output rove synchronously.The ratio of gear of input delivery roller (4) and output delivery roller (5) is constant, draws in the yarn process, and rove can not produce unexpected traction.The rotation of yarn tracting motor (37) with stop to control by microcomputer.The present invention adopts sampling at interval, and sample length is controlled yarn tracting motor (37) the decision duration of runs by microcomputer.
With reference to Fig. 2, Fig. 4, when yarn is drawn in sampling, clamping stretching motor (20) does not change, the minor radius of left side cam (25) and right cam (26) just contacts with right push rod pressing plate (30) with left push rod pressing plate (29), left side push rod (27) and right push rod (28) are under the effect of left push rod spring (31) and right push rod spring (32), push moving chuck pushing plate (33) and dynamometry chuck pushing plate (34) respectively to, make two chuck pushing plate produce displacement, this displacement makes chuck lower plate spring (45) compression by small lever on the chuck (44), thereby Chuck jaw is unclamped, allow rove in Chuck jaw, freely pass through.After drawing the yarn certain-length, yarn tracting motor (37) stops operating.Clamping stretching motor (20) begins to rotate, by governor gear (21), carrier gear (22), centre wheel (23) and transmission shaft (24), make left cam (24) and right cam (25) long radius goes to left push rod pressing plate (29) and right push rod pressing plate (30) is located, compress left push rod spring (31) and right push rod spring (32), make left push rod (27) and right push rod (28) break away from moving chuck pushing plate (33) and dynamometry chuck pushing plate (34) respectively, the lower plate (43) of moving chuck (8) and dynamometry chuck (9) has been realized the automatic clamping of moving chuck (8) and dynamometry chuck (9) for this reason and has been unclamped under the rebound effect of lower plate spring (45) and chuck train wheel bridge (42) clamping rove.
With reference to Fig. 5, at the passive chuck of rove (8) and dynamometry chuck (9) tightly in the clamping, clamping stretching motor (20) is rotated further, transmission shaft (24) makes constant speed stretching cam (10) go up the A point and move chuck slide (11) and contact by conical gear (35,36), rotation with constant speed stretching cam (10), its radius increases gradually, make chuck slide (11) overcome moving chuck back-moving spring (12) pressure and constant speed movement left, thereby realized the constant speed of clamping rove sample is stretched.After constant speed stretching cam (10) went to maximum radius B point, its radius began to reduce gradually, and moving chuck (8) restPoses under its back-moving spring (12) effect.It is spiral of Archimedes that constant speed stretching cam (10) is gone up A to B section, i.e. constant speed stretch section, and the BC section is radius arc such as backhaul section, C to A Duan Wei.When constant speed stretching cam (10) went to the C point, moving chuck (8) and dynamometry chuck (9) jaw unclamped, and clamping stretching motor (20) stops operating, and finishes the one-off drawing process.Stop and the rotation of clamping stretching motor (20) are controlled by microcomputer.
With reference to Fig. 1, Fig. 2, the turn adjustment disk (14) that spaces, regulate screw mandrel (15) by spacing and space and regulate screw (16), can make chuck base (13) move left and right, moving chuck (8) and automatic clamping device thereof be the same moved further of servo-actuated chuck base (13) also.Can take the different clampings test brute-force of rove of spacing according to different needs like this.
With reference to Fig. 1, dynamometry chuck (9) is contained in dynamometry lever (17) upper end, the centre is dynamometry balance pivot (18), and dynamometry lever (17) lower end acts on load sensor (19), and load sensor (19) can be converted to suffered power electric signal and flow to microcomputer.
Data processing of the present invention and automatic control system are made up of Z-80 single card microcomputer, A/D change-over circuit, interface circuit, load sensor (19), amplifier, power supply, printer, yarn tracting motor (37), clamping stretching motor (20) and system software etc.Its course of work is as follows: the work beginning, and make computing machine enter user's armed state by numerical key and execute key, and start printer automatically, print the work form, carry out the setting of test condition with the notifying operation person.This action is finished by user's initializers.In case finish condition setting, working mechanism enters test mode under the control of management control software.At this moment, start yarn tracting motor (37) with rove sample output certain-length by control interface.Startup A/D change-over circuit is taken into to be tested zero point.Carry out clamping and stretching by interface circuit control clamping stretching motor (20).Start the A/D change-over circuit simultaneously.Adopted change-over circuit from the simulating signal of load sensor (19) into A/D, automatically finish analog to digital conversion, and send into microcomputer and handle, show its power value, if predetermined test number (TN) is not finished, then return above-mentionedly draw yarn, get zero, stretching, dynamometry state.In case predetermined test number (TN) is finished, system carries out data analysis automatically and handles, and net result (in average powerful X, extreme difference R, the coefficient of variation-CV% value and the single test in all increments maximum powerful and minimum powerful) come out by printer prints, so far, finish a test job.
Claims (6)
1, a kind of brute-force of rove tester of forming by delivery device, clamping device, drawing mechanism and force measuring machine, it is characterized in that having in the drawing mechanism one to drive by clamping stretching motor (20) and to make constant speed movement, make the rove sample stretching certain-length of chuck (8) and dynamometry chuck (9) clamping and do not broken the spiral of Archimedes constant speed stretching cam (10) of testing the brute-force of rove peak value in order to order about moving chuck (8).
2,, it is characterized in that having a pair ofly driving by left and right sides worm screw (38), left and right sides worm gear (39) and rotation synchronously can be introduced the rove sample input delivery roller (4) of moving chuck (8) and dynamometry chuck (9) jaw and export delivery roller (5) by yarn tracting motor (37) according to the described instrument of claim 1.
3, according to the described instrument of claim 2, it is characterized in that in the automatic clamping device, the left and right cam (25,26) that clamping stretching motor (20) drives goes to minor radius and left and right push rod pressing plate (29,30) when contacting, under left and right push rod spring (31,32) effect, left and right push rod (27,28) promotes two chuck pushing plate (33,34) respectively and makes chuck lower plate spring (45) compression by chuck small lever (44), thereby the upper and lower clamping plate of chuck (42,43) unclamp; When left and right cam (25,26) goes to long radius and left and right push rod pressing plate (29,30) when contacting, left and right push rod (27,28) breaks away from two chuck pushing plate (33,34), under chuck lower plate spring (45) effect, the upper and lower clamping plate of chuck (42,43) clamping.
4, according to the described instrument of claim 3, it is characterized in that having in the force measuring machine upper end that the dynamometry lever (17) of dynamometry chuck (9) is housed, be fulcrum (18) in the middle of the lever (17), lever (17) lower end acts on a load sensor (19).
5, according to the described instrument of claim 4, it is characterized in that the turn adjustment disk (14) that spaces, regulate screw mandrel (15) by spacing and space and regulate screw (16), can make chuck (8) and automatic clamping device servo-actuated chuck base (13) move left and right thereof, space to regulate clamping.
6, according to the described instrument of claim 5, it is characterized in that having microcomputer control yarn tracting motor (37) and clamping stretching motor (20) stopping to realize drawing automatically yarn, sampling at interval, automatic clamping stretching and dynamometry process with rotating, and the electric signal of load sensor (19) output carried out data processing, go out test result by printer prints.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88105218 CN1035356A (en) | 1988-02-21 | 1988-02-21 | Full-automatic brute-force tester for rove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88105218 CN1035356A (en) | 1988-02-21 | 1988-02-21 | Full-automatic brute-force tester for rove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1035356A true CN1035356A (en) | 1989-09-06 |
Family
ID=4833432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88105218 Pending CN1035356A (en) | 1988-02-21 | 1988-02-21 | Full-automatic brute-force tester for rove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1035356A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109567270A (en) * | 2019-01-21 | 2019-04-05 | 河南中烟工业有限责任公司 | A kind of tow pulling force method of adjustment |
| CN110285910A (en) * | 2019-06-27 | 2019-09-27 | 利辛县亿隆筛网有限公司 | A kind of macromolecule silk screen tension detecting apparatus |
-
1988
- 1988-02-21 CN CN 88105218 patent/CN1035356A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109567270A (en) * | 2019-01-21 | 2019-04-05 | 河南中烟工业有限责任公司 | A kind of tow pulling force method of adjustment |
| CN110285910A (en) * | 2019-06-27 | 2019-09-27 | 利辛县亿隆筛网有限公司 | A kind of macromolecule silk screen tension detecting apparatus |
| CN110285910B (en) * | 2019-06-27 | 2021-03-12 | 利辛县亿隆筛网有限公司 | Polymer silk screen tension detection device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |