CN103014987A - Method for serging shuttleless sleeve band for heavy parachute rope - Google Patents
Method for serging shuttleless sleeve band for heavy parachute rope Download PDFInfo
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- CN103014987A CN103014987A CN201310000157XA CN201310000157A CN103014987A CN 103014987 A CN103014987 A CN 103014987A CN 201310000157X A CN201310000157X A CN 201310000157XA CN 201310000157 A CN201310000157 A CN 201310000157A CN 103014987 A CN103014987 A CN 103014987A
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Abstract
The invention discloses a method for serging a shuttleless sleeve band for a heavy parachute rope. The method comprises the steps as follows: selecting low-melting-point synthetic fiber multifilaments with the same characteristics as serging lines based on the original weft yarns and the serging lines; combining and twisting the low melting point synthetic fiber multifilaments with the original serging lines to serve as the serging lines; leading serging twisted yarns with hot melt fibers into the edge of a tubular sleeve band fabric by cooperation of a weft insertion needle and a serging bearded needle of a shuttleless ribbon loom to form knitted serging; and after finishing the serging operation, hotly shaping low-melting-point thermal links, controlling the shaping temperature for bonding the fibers with one part of the warp yarns, the weft yarns and the serging lines at selvedges, and cooling and shaping at a normal temperature for enabling the other part of the warp yarns, the weft yarns and the serging lines outside the selvedges to form bonding points under the action of the thermal links. According to the method, the low-melting-point thermal links with the similar characteristics are combined into a serging structure of a weaving system, so that the wear resistance and the stability of the knitted selvedges are improved and the problem of continuous weft sloughing caused by breakage of local serging lines due to larger load on the fabric or selvedge hooking is solved.
Description
Technical field
The invention relates to a kind of edge-locking method of heavy-duty parachute umbrella rope.
Background technology
Parachute is as a kind of Pneumatic braking system, and the umbrella rope is its important system's part, and heavy-duty parachute with woven in a narrow margin tubulose cuff as the umbrella rope, reach the aerobraking requirement of balance high-speed overload to guarantee system.Along with the development of science and technology, parachute is stablized decelerator in the air as a kind of, has developed into independently system.The parachute scope of application is wide, kind is many, and the classification aspect is also different.If press purposes and the characteristics of parachute, can be summarised as four large classes to it: for personnel from returning the personnel parachute on ground in the air, such as various troop parachute, escape parachute, sport parachute etc.; Thing is with throwing in umbrella, such as cargo chute, aerial bomb parachute etc.; Airplane parachute such as various fighter plane landing brake parachutes (drag parachute), and extraordinary is used umbrella, such as antispin parachute, use umbrella, drogue, mine-laying umbrella etc. under water.
All kinds of parachutes mainly are made of textile material.Performance and the textile material of parachute are closely related, and the application of textile material in aviation field forms the class of a uniqueness gradually.Along with the development of in recent years China's national defense modernization construction and the raising of all kinds of type aircraft performance levels, also more and more higher with the performance requirement of textile material to parachute.The chief component of parachute has canopy, extractor parachute, umbrella rope, harness system, parachute-opening parts and pack etc.The umbrella rope is the skeleton of canopy, the superperformance such as require to have compact conformation, intensity is high, soft, good springiness, uneven rate of elongation are little.Cuff is in a narrow margin woven fabric of a kind of hollow tubular, because it namely possesses reliable mechanical property, has both again soft characteristic simultaneously, and the heavy-duty parachute of every country is generally with main bearing system---the umbrella rope of such structural design as parachute.Before shuttleless ribbon looms does not emerge, usually the tubulose cuff that adopts Ribbon looms with shuttles to produce, along with constantly bringing forth new ideas of smallware weaving technology, rise the eighties in last century, at a high speed, the stable picking+shuttleless ribbon looms of knitting lock seaming mode progressively is introduced into the production field of smallware.When using as the umbrella rope without shuttle cover narrow fabrics, guarantee that mechanical property that it is good and stable exterior quality are most important.Umbrella rope system is as one of main stressed system of parachute, performance requirement to the umbrella rope is very strict, except the mechanical property (ultimate strength, elongation at break etc.) of necessity, also require umbrella rope smooth in appearance, even, guarantee in the parachute use procedure, can stand the test of environment for use, and be subject under the condition of high-speed friction, keeping suitable mechanical property constant in the useful life of agreement or during number of times.Different from the natural edge structure of traditional fly-shuttle loom, to the selvedge without shuttle tubulose cuff, requirement according to the correlation technique condition, general parallel and the lock seaming line of adopting is knitted into the structural strength that mode that circle forms stable knitting selvedge strengthens the cover belt edge simultaneously, reduces selvedge because being rubbed or being formed the phenomenon of structural deterioration by hook.In the ribbon industry, employed machine is the high-speed ribbon-weaving machine without shuttle substantially at present, and because its production efficiency is high, labour intensity is low, constant product quality and become the first-selection of enterprise.But shuttleless ribbon looms adopts picking pin wefting insertion, and the parallel of this filling insertion way is double weft, on one side the parachute rope is natural edge without shuttle cover narrow fabrics, another side is the knitting limit that the crochet hook lock seaming forms.The lock seaming mode of shuttleless ribbon looms has parallel self-locking, lock seaming line independence locking and parallel+modes such as lock seaming line the most substantially.The ribbon basic demand of matching equipment is the dual system crocheting selvedge that adopts lock seaming line and parallel.Be used as the cuff of parachute umbrella rope in use, because carrying is large, dilatory friction is frequent, the pulling of high dynamic load in opening process, and the unavoidable hook phenomenon that occurs in the bag umbrella process that closes one's umbrella, can cause the band edge of umbrella rope sling band to break off relations, in case serious unhook occurs, just might cause the generation of continuous sluff-offs phenomenon, parallel on the certain-length can break away from along with the discrete of knitting lock seaming line warp, thereby cause umbrella rope sling band hidden danger of quality in the use procedure to occur, even affect the security performance that whole parachute kit uses, also may cause serious consequence to the landing process of aircraft.Because the defective of the appearance property that the cuff band edge structural instability that shuttleless ribbon looms is produced forms can not satisfy the specific safety instructions for use of parachute well.
Summary of the invention
In order to overcome the structural unstable performance deficiency of shuttleless ribbon looms cuff band edge, it is reliable that task of the present invention provides a kind of band edge Stability Analysis of Structures, ABRASION RESISTANCE is high, anti-creep, can not produce the parachute rope of distortion without the edge-locking method of shuttle cuff, to solve the parachute umbrella rope continuous sluff-offs problem that is broken off relations and cause at high dynamic load pulling fabric without the shuttle cuff.
Above-mentioned purpose of the present invention is to realize like this, the edge-locking method of a kind of heavy-duty parachute rope without the shuttle cuff, it is characterized in that comprising the steps: on the basis of former parallel+lock seaming line, keep the parallel system constant, after selecting a kind of lock seaming line of and the identical low melting point synthetic fiber multifilament of the linear matter of lock seaming and former specification and closing twisting, as the lock seaming line, cooperate again the graticule looming weaving, acting in conjunction by shuttleless ribbon looms picking pin and lock seaming crochet hook, the above-mentioned lock seaming that contains meldable fibre twisted thread introduce tubulose cuff fabric edge, form knitting lock seaming, after lock seaming is finished, process by HEAT SETTING, make low-melting thermo-fuse be the semi-molten state, the control setting temperature, guarantee the fiber of semi-molten state and the part warp at selvedge place, parallel and its another component of lock seaming line produce anchoring effect, the again cooling of the normal temperature after typing, make the warp at selvedge place, parallel, another component of lock seaming line forms bounding point under the effect of thermo-fuse, make the knitting limit of tubulose cuff one side of shuttleless weaving form stable, continuous, smooth lock seaming.
The present invention has following beneficial effect than prior art:
The present invention is used for the novel material thermo-fuse without the shuttle cuff, thereby makes the band edge Stability Analysis of Structures of parachute umbrella rope material, possesses good quality stability.With making up as lock seaming line raw material with synthetic fiber thermo-fuse and the twisting of former lock seaming line of former lock seaming line similar properties, make thermo-fuse melting cooling by the HEAT SETTING processing, make graticule and thermo-fuse contact site form bounding point, thereby make the band edge Stability Analysis of Structures, form Stability Analysis of Structures, strong matter than good umbrella rope ribbon.Without bonding through thermo-fuse and warp, parallel, lock seaming line of knitting lock seaming one side of shuttle cuff, make the band edge Stability Analysis of Structures reliable, smoothness is powerful, ABRASION RESISTANCE is high, and anti-creep can not produce distortion, its application shows the most highlightedly: even local band edge wearing and tearing in use occur cuff umbrella rope, because the phenomenon that parallel disperses continuously can not occur in the effect of hot melt lock seaming line yet, so just can not produce the potential safety hazard that causes parachute because of " sluff-offs " phenomenon.Owing to being used for the common synthetic fiber multifilament (polyamide fibre of hot melt lock seaming line component, terylene etc.) part, fusing point is higher than the low melting point thermo-fuse far away, its properties is unaffected in the high-temperature shaping process, it and warp, parallel is the same, jointly form bounding point with the thermo-fuse contact site, thereby it is bright and clean that band edge is formed, stable structure, and such structural stability even surpass the bilateral natural edge that traditional Ribbon looms with shuttles forms, guarantee the mechanical property of cuff umbrella rope and stablizing of band edge structure, satisfied better other physics of parachute umbrella rope product, the requirement of mechanical property and appearance property standard-required and Special use environment.
Form stable selvedge structure through the lock seaming line that contains the low-temperature heat melting component after the HEAT SETTING with another component of lock seaming line, local warp, local parallel hot melt adhesive, therefore the present invention is adopting shuttleless ribbon looms to produce in the process of tubulose cuff, the low melting point silk (thermo-fuse) of similar properties is combined in the lock seaming structure of weaving system, improve ABRASION RESISTANCE and the stability on knitting limit, solved in the use procedure and may be subjected to cause the continuous sluff-offs problem that the fracture of local lock sideline causes than heavy load or selvedge hook because of fabric, guarantee in the use procedure performance safety.
Description of drawings
Fig. 1 is that the heavy-duty parachute rope is used without the knitting lock seaming of shuttle cuff and weaved schematic diagram.
Fig. 2 is that the present invention twists combination as the schematic diagram of lock seaming line with thermo-fuse and brocade silk.
Among the figure: 1 warp, 2 parallels, 3 lock seaming lines, 4 knitting socks pins, 5 knitting needle latch needles, 6 picking pins (part), the knitting limit of 7 lock seamings, 8 knitting needle crochet hooks, 9 low melting point hot melt multifilament, 10 meldable fibres lock seaming line.
The specific embodiment
Consult Fig. 1, Fig. 2.In a most preferred embodiment described below, fabric manufacture equipment is that the high speed selected is without shuttle picking loom.The heavy-duty parachute rope is used without before the shuttle cuff looming weaving, at first selecting specification is 70D/18f (77dtex) thermo-fuse and brocade silk conduct lock seaming line 3 raw materials, according to principle shown in Figure 2, will with through the similar former lock seaming line of, parallel and with former lock seaming line similar low melting point hot melt multifilament 9, twisting is combined into meldable fibre lock seaming line 10, cooperates warp 1, parallel 2 to carry out looming weaving again.Pass through shuttleless loom, according to principle as shown in Figure 1, utilize picking pin 6 and the lock seaming mutually cooperation of motion of knitting limit 7, the knitting needle crochet hook 8 of knitting socks pin 4 and 5 actings in conjunction of knitting needle latch needles, with parallel 2 and the mode of line 3 to go forward one by one by latitude of lockstitching a border, mutually nested knitting changing to parallel 2 and the 3 common formation of lock seaming line are finished lock seaming in the cover.After ribbon is finished base band weaving process from loom, carry out corresponding oil removing, concise, the anti-functional processing such as burn according to technological requirement again, be introduced in the HEAT SETTING unit, because the thermoplastic synthetic fiber has the characteristic of meeting thermal contraction, the import and export of hot melt typing casing must be equipped with tenslator, in order to require the different power value of regulation and control to reach corresponding percentage elongation index according to different technical conditions.According to typing flatiron requirement, low melting point hot melt multifilament 9 can be selected the hot melt polyamide multifilament of fusing point between 100-120 ℃, and the setting temperature of ribbon is set between 140-150 ℃, thermo-fuse is heated and is the semi-molten state by progressively softening in the melting shaping area, and the melt temperature of another component that is used for the lock seaming line is up to the polyamide multifilament more than 220 ℃, and its physical characteristic can not be affected in the hot melt type-approval process.After typing finished, melting was also cooled off through normal temperature with the thermo-fuse of graticule generation local bonding, and the position that graticule and thermo-fuse are touched forms bounding point, makes the strong and constitutionally stable lock seaming of band edge formation smoothness.
Above-described only is the preferred embodiments of the present invention.Should be understood that; for the person of ordinary skill of the art; under the prerequisite that does not break away from the principle of the invention; can also make some extensions and improvement; such as; the present invention can also be applied in the lock seaming mode of the thermoplastic synthetic fiber's ribbon with similar characteristics with the thermo-fuse fiber applications of different fiber numbers, different melting points on the band series products of different size, these changes and change and should be considered as belonging to protection scope of the present invention.
Claims (3)
1. the heavy-duty parachute rope edge-locking method without the shuttle cuff, it is characterized in that comprising the steps: on the basis of former parallel+lock seaming line, keep the parallel system constant, after selecting a kind of lock seaming line of and the identical low melting point synthetic fiber multifilament of the linear matter of lock seaming and former specification and closing twisting, as the lock seaming line, cooperate again the graticule looming weaving, acting in conjunction by shuttleless ribbon looms picking pin and lock seaming crochet hook, the above-mentioned lock seaming that contains meldable fibre twisted thread introduce tubulose cuff fabric edge, form knitting lock seaming, after lock seaming is finished, process by HEAT SETTING, make low-melting thermo-fuse be the semi-molten state, the control setting temperature is guaranteed the fiber of semi-molten state and the part warp at selvedge place, parallel and its another component of lock seaming line produce anchoring effect, the again cooling of the normal temperature after typing, make the warp at selvedge place, parallel, another component of lock seaming line forms bounding point under the effect of thermo-fuse, make the knitting limit of tubulose cuff one side of shuttleless weaving form stable, continuous, smooth lock seaming.
2. the edge-locking method of heavy-duty parachute rope as claimed in claim 1 without the shuttle cuff, it is characterized in that, utilize the mutually cooperation of motion of picking pin (6) and the knitting limit of lock seaming (7), the knitting needle crochet hook (8) of knitting socks pin (4) and knitting needle latch needles (5) acting in conjunction, the mode to go forward one by one by latitude with parallel (2) and lock seaming line (3), mutually nested knitting changing to parallel (2) and the common formation of lock seaming line (3) finished lock seaming in the cover.
3. the edge-locking method of heavy-duty parachute rope as claimed in claim 1 without the shuttle cuff, it is characterized in that, low melting point hot melt multifilament (9) can be selected the hot melt polyamide multifilament of fusing point between 100-120 ℃, and the setting temperature of ribbon is set between 140-150 ℃, and thermo-fuse is heated and is the semi-molten state by progressively softening in the melting shaping area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310000157XA CN103014987A (en) | 2013-01-04 | 2013-01-04 | Method for serging shuttleless sleeve band for heavy parachute rope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310000157XA CN103014987A (en) | 2013-01-04 | 2013-01-04 | Method for serging shuttleless sleeve band for heavy parachute rope |
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| CN103014987A true CN103014987A (en) | 2013-04-03 |
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| CN201310000157XA Pending CN103014987A (en) | 2013-01-04 | 2013-01-04 | Method for serging shuttleless sleeve band for heavy parachute rope |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103451833A (en) * | 2013-08-23 | 2013-12-18 | 绍兴县通用提花机械有限公司 | Knitting machine for gunny bag |
| CN106929974A (en) * | 2017-05-17 | 2017-07-07 | 青岛海丽花边织带有限公司 | A kind of anti-slip webbing |
| CN110983599A (en) * | 2019-12-24 | 2020-04-10 | 东莞市永沣织带有限公司 | Manufacturing process of knitted card sleeve |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2561416A (en) * | 1946-02-26 | 1951-07-24 | Bond Worth & Sons Ltd T | Selvage forming mechanism |
| US4202381A (en) * | 1976-07-08 | 1980-05-13 | Jakob Muller, Forschungs und Finanz AG | Ribbon fabric, method for the manufacture thereof and ribbon loom for carrying out the method |
| US4688598A (en) * | 1984-04-07 | 1987-08-25 | Mageba Textilmaschinen Gmbh | Ribbon and method and mechanism for making the same |
| GB2210065A (en) * | 1987-09-18 | 1989-06-01 | Textilma Ag | Improvements in and relating to ribbon-weaving machines |
| US5224522A (en) * | 1990-02-16 | 1993-07-06 | Akzo N.V. | Manufacture of woven hollow fiber tape |
| US5677056A (en) * | 1996-11-07 | 1997-10-14 | Murdock Webbing Company, Inc. | Webbing having a catch cord fabricated from biocomponent yarn |
| CN1413274A (en) * | 1999-12-24 | 2003-04-23 | 约翰·堡格 | Ribbon and production method thereof |
-
2013
- 2013-01-04 CN CN201310000157XA patent/CN103014987A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2561416A (en) * | 1946-02-26 | 1951-07-24 | Bond Worth & Sons Ltd T | Selvage forming mechanism |
| US4202381A (en) * | 1976-07-08 | 1980-05-13 | Jakob Muller, Forschungs und Finanz AG | Ribbon fabric, method for the manufacture thereof and ribbon loom for carrying out the method |
| US4688598A (en) * | 1984-04-07 | 1987-08-25 | Mageba Textilmaschinen Gmbh | Ribbon and method and mechanism for making the same |
| GB2210065A (en) * | 1987-09-18 | 1989-06-01 | Textilma Ag | Improvements in and relating to ribbon-weaving machines |
| US5224522A (en) * | 1990-02-16 | 1993-07-06 | Akzo N.V. | Manufacture of woven hollow fiber tape |
| US5677056A (en) * | 1996-11-07 | 1997-10-14 | Murdock Webbing Company, Inc. | Webbing having a catch cord fabricated from biocomponent yarn |
| CN1413274A (en) * | 1999-12-24 | 2003-04-23 | 约翰·堡格 | Ribbon and production method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103451833A (en) * | 2013-08-23 | 2013-12-18 | 绍兴县通用提花机械有限公司 | Knitting machine for gunny bag |
| CN103451833B (en) * | 2013-08-23 | 2015-01-07 | 绍兴县通用提花机械有限公司 | Knitting machine for gunny bag |
| CN106929974A (en) * | 2017-05-17 | 2017-07-07 | 青岛海丽花边织带有限公司 | A kind of anti-slip webbing |
| CN110983599A (en) * | 2019-12-24 | 2020-04-10 | 东莞市永沣织带有限公司 | Manufacturing process of knitted card sleeve |
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Application publication date: 20130403 |