CN203295747U - Measuring equipment for relation curve of weft yarn speed and traction - Google Patents
Measuring equipment for relation curve of weft yarn speed and traction Download PDFInfo
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- CN203295747U CN203295747U CN2013203484623U CN201320348462U CN203295747U CN 203295747 U CN203295747 U CN 203295747U CN 2013203484623 U CN2013203484623 U CN 2013203484623U CN 201320348462 U CN201320348462 U CN 201320348462U CN 203295747 U CN203295747 U CN 203295747U
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- yarn
- tension
- arithmetic unit
- weft
- speed
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Abstract
The utility model discloses measuring equipment for a relation curve of weft yarn speed and traction. The measuring equipment comprises a weft accumulator, a yarn stopping pin, a tension sensor, a tension signal processor, a main nozzle, a yarn detecting sensor, a yarn signal analysis arithmetic unit, a main nozzle air supply system and a measuring equipment control system. The tension sensor is arranged between the weft accumulator and the entrance of the main nozzle, the yarn detecting sensor is arranged at the spray mouth of the main nozzle, the tension sensor is connected with the tension signal processor, the yarn detecting sensor is connected with the yarn signal analysis arithmetic unit, and the tension signal processor and the yarn signal analysis arithmetic unit are both connected to a double-tracer oscilloscope. The main nozzle air supply system supplies air to the main nozzle. The measuring equipment control system respectively controls the yarn stopping pin, a measuring system and the main nozzle air supply system. The weft yarn speed and traction is measured, the influence of all the structures of the main nozzle on the weft yarn flying speed and traction is studied, and therefore the main nozzle is improved to achieve high-speed wefting insertion of an air jet loom.
Description
Technical field
The utility model belongs to the air-jet loom field, is specifically related to a kind of filling speed and tractive force relation curve measurement mechanism.
Background technology
The used in jet loom air-flow is realized wefting insertion, one minute wefting insertion of air-jet loom 800-1000 time, and each wefting insertion, weft yarn leaps shed open once, and the weft yarn flying speed reaches 110 meter per seconds.The power of the high-speed flight of weft traction is the frictional force of high-speed air to weft yarn, utilizes the speed difference between high velocity air and weft yarn, and air-flow flies with weft yarn.Filling speed is the result of air-flow weft traction, has had tractive force that filling speed is just arranged, and only has the weft yarn flying speed high, could realize the high speed jet wefting insertion, and calculating can only provide the direction of relation, measures the relation that could understand filling speed and tractive force.
The jet-stream wind of main burner is the key that reaches the weft yarn high-speed flight, under the effect of main injection air-flow, the weft yarn flying speed reached flight the most at a high speed, the auxiliary gaseous blast of a plurality of pilot jets of arranging along reed width is just kept this speed, does not allow filling speed fall in the reed groove.
Weft yarn leaps shed open under the guiding of weft tracting flow, filling speed is faster, and the ability that weft yarn leaps shed open is stronger.The main burner supply gas pressure is different, and gas supply flow is different, in the voltage supply scope, different supply gas pressures, the weft yarn of one species and number obtains different tractive force and speed, and filling speed and tractive force do not present linear relationship, by measuring filling speed and tractive force relationship description.
High-speed air-jet looms just must use high-quality main burner, weft yarn after main burner accelerates to the high speed more than 110 meter per seconds, the tractive force of weft yarn is numerically very little, the air velocity of main burner inner flow passage is subject to the restriction of velocity of sound, and the basic parameter of measuring main burner acceleration weft yarn process is very necessary to understanding pneumatic picking.But at present, in the measurement of pneumatic picking technology, both do not introduced the measurement mechanism of measuring main jet exit filling speed, there is no measuring method and the index of main jet exit filling speed yet.
The utility model content
In order to meet the demand of prior art, the utility model has aimed to provide the measurement mechanism of a kind of filling speed and tractive force relation curve, speed when the measurement weft yarn flies out the main burner outlet, measure corresponding weft tension simultaneously, obtains filling speed and tractive force relation curve.
For solving the problems of the technologies described above, the utility model is achieved through the following technical solutions:
A kind of filling speed and tractive force relation curve measurement mechanism, by main jet work system, filling speed measuring system, weft tension measuring system and measurement mechanism composition of the control system;
Described main jet work system comprises the air supply system of main jet and for the yarn system, the described yarn system that supplies comprises weft accumulator, shelves yarn pin and main burner, and described air supply system comprises source of the gas, pressure regulator valve, main gas bag, flow control valve and electromagnetic gas valve;
Described filling speed measuring system comprises that one visits yarn sensor and yarn signal analysis arithmetic unit;
Described weft tension measuring system comprises a tension pick-up and tension signal processor;
Described measurement mechanism control system comprises control panel and the encoder of a control survey process action sequential;
Described measurement mechanism control system is controlled respectively described main jet work system, described filling speed measuring system and described weft tension measuring system;
Described tension pick-up is arranged between described weft accumulator and described main burner entrance, described spy yarn sensor is arranged on the nozzle of described main burner, described tension pick-up connects described tension signal processor, described spy yarn sensor connects described yarn signal analysis arithmetic unit, and described tension signal processor and described yarn signal analysis arithmetic unit all are connected to a pair of track oscillograph;
Yarn on described weft accumulator, by the action of described shelves yarn pin, is thrown off from described shelves yarn pin, and the described yarn of disengagement after described tension pick-up and described main burner, flies out from described main burner spout successively;
Described source of the gas connects described main gas bag by described pressure regulator valve, and described main gas bag connects described electromagnetic gas valve by described flow control valve, and described electromagnetic gas valve is connected with described main burner;
Described encoder is connected with described control panel, and described control panel connects respectively described shelves yarn pin, described electromagnetic gas valve, described tension signal processor and described yarn signal analysis arithmetic unit.
Further, three marks of sign on the described yarn between described shelves yarn pin and described main burner entrance, 200 millimeters, two adjacent described mark intervals.
Further, comprise a bridge power supply and transmitter in described tension signal processor, described bridge power supply connects described tension pick-up, and described tension pick-up connects described transmitter, and described transmitter is controlled and with described dual trace oscilloscope, is connected by described controller.
Further, comprise in described yarn signal analysis arithmetic unit that an infrared light power supply, signal amplify Shaping Module, signal recognition module and speed arithmetic unit; Comprise lens, luminous tube and photocell in described spy yarn sensor; Described infrared light power supply connects described luminous tube, the infrared light that described luminous tube sends is encountered described yarn back reflection to described photocell by described lens, described photocell amplifies Shaping Module and is connected the described speed arithmetic unit of signal recognition module connection by described signal successively, and described speed arithmetic unit is controlled and with described dual trace oscilloscope, is connected by described control panel.
Compared with prior art, the utlity model has following beneficial effect:
The utility model is by measuring filling speed and tractive force, draw the relation curve of filling speed and tractive force, each structure of research main burner is to weft yarn flying speed and influence of tractive force situation, thereby the structure to main burner improves,, to realize the high speed wefting insertion of air-jet loom, avoid the weft yarn flying speed to fall in the reed groove.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the structural representation of the utility model tension signal processor.
Fig. 3 is the structural representation that the utility model is visited yarn sensor and yarn analysis arithmetic unit.
The specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
Shown in Figure 1, a kind of filling speed and tractive force relation curve measurement mechanism, by main jet work system, filling speed measuring system, weft tension measuring system and measurement mechanism composition of the control system;
Described main jet work system comprises the air supply system of main jet and supplies the yarn system, the described yarn system that supplies comprises weft accumulator 1, shelves yarn pin 2 and main burner 3, described air supply system comprises source of the gas 4, pressure regulator valve 5, main gas bag 6, flow control valve 7 and electromagnetic gas valve 8, described air supply system has two control valves, the one, described pressure regulator valve 5, supply gas pressure is higher, and the power that acts on yarn is larger; Another is described flow control valve 7, and for the yarn of certain number, flow must be enough, the minimum tractive force of guarantee yarn;
Described filling speed measuring system comprises that one visits yarn sensor 9 and yarn signal analysis arithmetic unit 10;
Described weft tension measuring system comprises a tension pick-up 11 and tension signal processor 12;
Described measurement mechanism control system comprises control panel 13 and the encoder 14 of a control survey process action sequential;
Described measurement mechanism control system is controlled respectively described main jet work system, described filling speed measuring system and described weft tension measuring system;
Described tension pick-up 11 is arranged between described weft accumulator 1 and described main burner 3 entrances, described spy yarn sensor 9 is arranged on the nozzle of described main burner 3, described tension pick-up 11 connects described tension signal processor 12, described spy yarn sensor 9 connects described yarn signal analysis arithmetic unit 10, and described tension signal processor 12 and described yarn signal analysis arithmetic unit 10 all are connected to a pair of track oscillograph 15;
Described source of the gas 4 connects described main gas bag 6 by described pressure regulator valve 5, and described main gas bag 6 connects described electromagnetic gas valve 8 by described flow control valve 7, and described electromagnetic gas valve 8 is connected with described main burner 3;
Described encoder 14 is connected with described control panel 13, and described control panel 13 connects respectively described shelves yarn pin 2, described electromagnetic gas valve 8, described tension signal processor 12 and described yarn signal analysis arithmetic unit 10.
The time of described filling speed measuring system and described weft tension measuring system produces sequential by described encoder 14, an axle revolution, angle of revolution converts angle to through described encoder 14, the coding angle enters described control panel 13 and converts data signal to, described control panel 13 sends instruction by angle, and instruction is controlled the closure of described shelves yarn pin 2 and taken off opening and closure of yarn and described electromagnetic gas valve 8.The angle that described shelves yarn pin 2 takes off yarn is exactly the starting angle of described yarn 16, and the coding angle signal enters described yarn analysis arithmetic unit 10 and described tension signal processor 12, and the measurement sequential is provided.
Further, three marks of sign on the described yarn 16 between described shelves yarn pin 2 and described main burner 3 entrances, 200 millimeters, two adjacent described mark intervals, sign is to identify on yarn with coloured pencil.
Further, shown in Figure 2, comprise a bridge power supply 17 and transmitter 18 in described tension signal processor 12, described bridge power supply 17 connects described tension pick-up 11, described tension pick-up 11 connects described transmitter 18, and described transmitter 18 is controlled and with described dual trace oscilloscope 19, is connected by described controller 13.
Measuring Weft force is exactly the dynamic tension that rises of measuring weft yarn.The first air feed of main jet, take off yarn after described shelves yarn pin 2, and described tension pick-up 11 starts to record tension force constantly from the main jet air feed, is recorded to described shelves yarn pin 2 and takes off the constantly rear several years of yarn.Weft force is less at numerical value, and only several CN are to tens CN.Described tension pick-up 11 adopts the three-roller type tension pick-up.
Further, shown in Figure 3, comprise in described yarn signal analysis arithmetic unit 10 that an infrared light power supply 20, signal amplify Shaping Module 21, signal recognition module 22 and speed arithmetic unit 23; Comprise lens 24, luminous tube 25 and photocell 26 in described spy yarn sensor 9; Described infrared light power supply 20 connects described luminous tube 25, the infrared light that described luminous tube 25 sends is encountered described yarn 16 back reflections to described photocell 26 by described lens 24, described photocell 26 amplifies Shaping Module 21 and is connected the signal recognition module 22 described speed arithmetic units 23 of connection by described signal successively, and described speed arithmetic unit 23 is controlled and with described dual trace oscilloscope 15, is connected by described control panel 13.
Described spy yarn sensor 9 adopts reflective spy yarn, described luminous tube 25 sends infrared light, and infrared light is encountered yarn and reflected, and described photocell 26 is accepted reverberation, when described photocell 26 had received the color marker reverberation, described yarn signal analysis arithmetic unit 10 was write down this angle constantly.Reverberation is more weak, the photocell signal must amplify doubly a lot, for identification marking, signal through shaping, anti-phase, relatively wait, be input in described arithmetic unit 23, the difference of the angle that mark occurs and yarn starting angle is exactly the time, and mark is known to the distance of spy yarn sensor, and the distance of first mark is exactly that the length of described main burner 3 adds 20 millimeters again.Described spy yarn sensor 9 is exactly the described front time of spy yarn sensor 9 of yarn process of surveying tape sign, and three corresponding three time points of mark, had the time, had from the length of sign and described spy yarn sensor 9 positions, just can calculate the flying speed of yarn.
Different supply gas pressures, the weft yarn of one species and number obtains different tension force and speed, tries to achieve thus filling speed and tractive force relation curve.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. a filling speed and tractive force relation curve measurement mechanism, is characterized in that: by main jet work system, filling speed measuring system, weft tension measuring system and measurement mechanism composition of the control system;
Described main jet work system comprises the air supply system of main jet and supplies the yarn system, the described yarn system that supplies comprises weft accumulator (1), shelves yarn pin (2) and main burner (3), and described air supply system comprises source of the gas (4), pressure regulator valve (5), main gas bag (6), flow control valve (7) and electromagnetic gas valve (8);
Described filling speed measuring system comprises that one visits yarn sensor (9) and yarn signal analysis arithmetic unit (10);
Described weft tension measuring system comprises a tension pick-up (11) and tension signal processor (12);
Described measurement mechanism control system comprises control panel (13) and the encoder (14) of a control survey process action sequential;
Described measurement mechanism control system is controlled respectively described main jet work system, described filling speed measuring system and described weft tension measuring system;
Described tension pick-up (11) is arranged between described weft accumulator (1) and described main burner (3) entrance, described spy yarn sensor (9) is arranged on the nozzle of described main burner (3), described tension pick-up (11) connects described tension signal processor (12), described spy yarn sensor (9) connects described yarn signal analysis arithmetic unit (10), and described tension signal processor (12) and described yarn signal analysis arithmetic unit (10) all are connected to a pair of track oscillograph (15);
Yarn (16) on described weft accumulator (1) is by described shelves yarn pins (2) action, throw off from described shelves yarn pins (2), the described yarn (16) of throwing off after described tension pick-up (11) and described main burner (3), flies out from described main burner (3) spout successively;
Described source of the gas (4) connects described main gas bag (6) by described pressure regulator valve (5), and described main gas bag (6) connects described electromagnetic gas valve (8) by described flow control valve (7), and described electromagnetic gas valve (8) is connected with described main burner (3);
Described encoder (14) is connected with described control panel (13), and described control panel (13) connects respectively described shelves yarn pin (2), described electromagnetic gas valve (8), described tension signal processor (12) and described yarn signal analysis arithmetic unit (10).
2. filling speed according to claim 1 and tractive force relation curve measurement mechanism, it is characterized in that: three marks of the upper sign of described yarn (16) between described shelves yarn pin (2) and described main burner (3) entrance, 200 millimeters, two adjacent described mark intervals.
3. filling speed according to claim 1 and tractive force relation curve measurement mechanism, it is characterized in that: comprise a bridge power supply (17) and transmitter (18) in described tension signal processor (12), described bridge power supply (17) connects described tension pick-up (11), described tension pick-up (11) connects described transmitter (18), and described transmitter (18) is controlled and with described dual trace oscilloscope (19), is connected by described controller (13).
4. filling speed according to claim 1 and tractive force relation curve measurement mechanism, is characterized in that: comprise in described yarn signal analysis arithmetic unit (10) that an infrared light power supply (20), signal amplify Shaping Module (21), signal recognition module (22) and speed arithmetic unit (23); Comprise lens (24), luminous tube (25) and photocell (26) in described spy yarn sensor (9); Described infrared light power supply (20) connects described luminous tube (25), the infrared light that described luminous tube (25) sends is encountered described yarn (16) back reflection to described photocell (26) by described lens (24), described photocell (26) amplifies Shaping Module (21) and is connected signal recognition module (22) connection described speed arithmetic unit (23) by described signal successively, and described speed arithmetic unit (23) is controlled and with described dual trace oscilloscope (15), is connected by described control panel (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203484623U CN203295747U (en) | 2013-06-18 | 2013-06-18 | Measuring equipment for relation curve of weft yarn speed and traction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203484623U CN203295747U (en) | 2013-06-18 | 2013-06-18 | Measuring equipment for relation curve of weft yarn speed and traction |
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| Publication Number | Publication Date |
|---|---|
| CN203295747U true CN203295747U (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203484623U Expired - Fee Related CN203295747U (en) | 2013-06-18 | 2013-06-18 | Measuring equipment for relation curve of weft yarn speed and traction |
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| CN (1) | CN203295747U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290606A (en) * | 2013-06-18 | 2013-09-11 | 江苏万工科技集团有限公司 | Device for measuring relation curve between speed and traction force of weft |
| CN103822779A (en) * | 2014-02-22 | 2014-05-28 | 咸阳经纬纺织机械有限公司 | Testing system for comprehensive quality of main spraying nozzle of air-jet loom and testing method |
-
2013
- 2013-06-18 CN CN2013203484623U patent/CN203295747U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290606A (en) * | 2013-06-18 | 2013-09-11 | 江苏万工科技集团有限公司 | Device for measuring relation curve between speed and traction force of weft |
| CN103290606B (en) * | 2013-06-18 | 2014-08-06 | 江苏万工科技集团有限公司 | Device for measuring relation curve between speed and traction force of weft |
| CN103822779A (en) * | 2014-02-22 | 2014-05-28 | 咸阳经纬纺织机械有限公司 | Testing system for comprehensive quality of main spraying nozzle of air-jet loom and testing method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20140618 |
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| EXPY | Termination of patent right or utility model |