CN110670371A - Efficient tarpaulin production process - Google Patents
Efficient tarpaulin production process Download PDFInfo
- Publication number
- CN110670371A CN110670371A CN201911104106.5A CN201911104106A CN110670371A CN 110670371 A CN110670371 A CN 110670371A CN 201911104106 A CN201911104106 A CN 201911104106A CN 110670371 A CN110670371 A CN 110670371A
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- production process
- tarpaulin
- warping
- efficiency
- yarn
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0006—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using woven fabrics
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02H—WARPING, BEAMING OR LEASING
- D02H13/00—Details of machines of the preceding groups
- D02H13/22—Tensioning devices
- D02H13/26—Tensioning devices for threads in warp form
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02H—WARPING, BEAMING OR LEASING
- D02H3/00—Warping machines
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
- D06N3/0038—Polyolefin fibres
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Warping, Beaming, Or Leasing (AREA)
Abstract
The invention discloses a production process of high-efficiency tarpaulin, which comprises the following steps: extruding and plasticizing; cutting into filaments; rolling; warping the flat yarns into a plurality of warp beams by adopting a warping device for tarpaulin; weaving; film spraying; and (6) packaging. The warping device comprises a warping machine main body, a warp beam and a creel are arranged on the warping machine main body, a plurality of laterally extending fixed shafts are arranged on the creel, and a relative outer barrel and a relative limit are sleeved on the fixed shafts and used for rotating the outer barrel and the relative fixed shafts to serve as rotating braking devices. The invention relates to a high-efficiency tarpaulin production process, which adds pretreatment warping in the middle of the steps of cutting, shaping and weaving to form warp beams with uniform tension, and the single yarn tension of each warp beam is consistent. In the weaving step, the cloth with higher density can be woven by consistent tension of the warp threads, the probability of local defects is reduced, the cloth surface is stressed more uniformly when encountering external force, higher load is borne, and the tensile strength and tearing strength are obviously improved.
Description
Technical Field
The invention relates to the technical field of tarpaulin production, in particular to a high-efficiency tarpaulin production process.
Background
The technical process for weaving the polypropylene and polyethylene composite plastic cloth is developed in China for decades, the process and the technology are relatively mature, and the process flow comprises the steps of extrusion, cutting and shaping, weaving, film spraying, finished product packaging and the like.
The composite woven cloth produced by the process has the advantages of water resistance, no toxicity, environmental protection, light weight, low temperature resistance and recycling, and is widely applied to the fields of geotechnical impermeable cloth, building construction, tents, agriculture and forestry, industry, transportation and the like. The traditional woven cloth woven by flat filaments has hard hand feeling, and meanwhile, the cloth cover is easy to wrinkle because the tension of the single filaments is uneven during weaving. The monofilament tension is uneven, the probability of defect formation in the weaving process is increased to a great extent, the defect formation has a great influence on the product appearance qualification rate, the defects can also cause the condition that the local fabric surface is damaged first, the use experience of a user is influenced, and the applicable range of the fabric is limited.
Disclosure of Invention
The invention aims to provide an efficient tarpaulin production process, which can greatly reduce defects on the surface of the produced tarpaulin and improve the breaking strength of the tarpaulin.
In order to solve the technical problem, the invention aims to realize that:
the invention relates to a high-efficiency tarpaulin production process, which comprises the following steps:
a. plasticizing polyolefin composite plastic through an extruder, extruding or blow-molding the plastic into a planar or cylindrical film, and cooling the film;
b. cutting the cooled film into flat wires by a blade on a wire cutting knife rest, and heating, stretching, cooling and shaping the flat wires;
c. winding the filament into a filament ingot by using a winding machine;
d. warping the flat yarns into a plurality of warp beams by adopting a warping device for tarpaulin;
e. weaving on a weaving machine;
f. film spraying;
h. packaging a finished product;
the warping device in the step d comprises a warping machine main body, wherein a warp yarn traction device, a warp beam and a coiling device are arranged on the warping machine main body, the warping machine further comprises a creel for supplying yarns to the warp beam, a plurality of fixed shafts extending laterally are arranged on the creel, and an outer barrel rotating relative to the fixed shafts is sleeved on the fixed shafts; the tension adjusting device is used for limiting the outer cylinder body to rotate relative to the fixed shaft.
As a further explanation of the above-mentioned scheme, a horizontally arranged let-off roll is provided between the warper body and the creel.
As a further explanation of the above-mentioned means, a wiring board through which the yarn passes is provided between the let-off roll and the creel, and the wiring board is provided with a yarn hole.
As a further explanation of the above scheme, the tension adjusting device includes a friction plate proximate to the outer sidewall of the outer cylinder and an air pressure tension control mechanism controlling the friction plate to abut against or be away from the outer cylinder.
As a further explanation of the above aspect, the pneumatic tension control mechanism is a telescopic push rod.
As a further explanation of the above scheme, a yarn disc is arranged at one end of the outer cylinder body close to the creel, and the yarn disc rotates along with the outer cylinder body.
As a further explanation of the above scheme, a first rubber ring attached to the end face of the yarn disc is sleeved on the outer cylinder; and a second rubber ring far away from the end of the yarn frame is sleeved on the outer barrel.
As a further explanation of the above-mentioned scheme, the surface of the yarn reel is covered with a sound-proof sponge, and the sound-proof sponge is in a sheet shape and is attached to the surface of the yarn reel.
As a further explanation of the above scheme, a bearing is embedded in the outer cylinder, the fixed shaft is inserted into the bearing, and the outer cylinder rotates relative to the fixed shaft through the bearing.
As a further explanation of the above scheme, a brake frame for fixing the tension adjusting device is provided on the creel.
The invention has the beneficial effects that: the invention relates to a high-efficiency tarpaulin production process, which adds a step of pretreatment warping between the steps of cutting, shaping and weaving, wherein warps are pretreated by a roller with certain tension to form warp beams with uniform tension, and the single-yarn tension of each warp beam is consistent. In the weaving step, the cloth with higher density can be woven by consistent tension of the warp threads, the probability of local defects is reduced, the cloth surface is stressed more uniformly when encountering external force, higher load is borne, and the tensile strength and tearing strength are obviously improved.
Drawings
FIG. 1 is a front view of a warping apparatus;
FIG. 2 is a schematic top view of the warper;
FIG. 3 is a schematic view of a portion of the warping apparatus;
FIG. 4 is a schematic view of the structure of FIG. 3 from another perspective;
fig. 5 is a schematic view of the structure of the tension device.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Examples
The present embodiment will be described in detail with reference to fig. 1 to 4. The invention relates to a high-efficiency tarpaulin production process, which comprises the following steps:
a. the polyolefin composite plastic is plasticized by an extruder, then is extruded or blown into a planar or cylindrical film, and then is cooled.
b. And cutting the cooled film into flat wires by a blade on a wire cutting knife rest, and heating, stretching, cooling and shaping the flat wires.
c. And winding the filament ingot by using a winding machine, and passing through a tension device during winding.
d. The flat yarn is warped into a plurality of warp beams by adopting a warping device for tarpaulin.
e. The knitting is performed on a loom.
f. And (5) laminating.
h. And (6) packaging a finished product.
The warping device in the step d comprises a warping machine main body, wherein a warp yarn traction device, a warp beam and a coiling device are arranged on the warping machine main body, the warping machine further comprises a creel for supplying yarns to the warp beam, a plurality of fixed shafts extending laterally are arranged on the creel, and an outer barrel rotating relative to the fixed shafts is sleeved on the fixed shafts; the tension adjusting device is used for limiting the outer cylinder body to rotate relative to the fixed shaft. The warp yarn drawing device is a yarn drawing device during warping. The warp yarn traction device and the reeling device of the warping machine are both the prior art on the prior warping machine.
The warping machine comprises a warping machine main body 100, a warp beam 101 is arranged on the warping machine main body 100, a creel 200 for supplying yarns to the warp beam 101 is further included, a plurality of laterally extending fixed shafts 2 are arranged on the creel 200, and outer cylinders 3 rotating relative to the fixed shafts 2 are sleeved on the fixed shafts 2; and the tension adjusting device 4 is used for limiting the outer cylinder 3 to rotate relative to the fixed shaft 2.
Further, a horizontal let-off roller 300 is disposed between the warper body 100 and the creel 200.
Further, a wiring board 400 through which the yarn passes is provided between the let-off roll 300 and the creel 200, and a thread hole (not shown) is provided in the wiring board 400.
Further, the tension adjusting device 4 includes a friction plate 41 proximate to the outer side wall of the outer cylinder 3 and a pneumatic tension control mechanism 42 for controlling the friction plate 41 to abut against or be away from the outer cylinder 3.
Further, the pneumatic tension control mechanism 42 is a telescopic push rod.
In the present embodiment, in the warping device, the bobbin to be unwound is sleeved on the outer cylinder 3, the yarn is unwound, the bobbin is pulled to rotate together with the outer cylinder 3 relative to the fixed shaft 2, and when the rotating speed is too high, the telescopic push rod can be operated to make the friction plate 41 close to the outer cylinder 3 and abut against the outer cylinder 3 appropriately to give resistance to the outer cylinder 3, so as to reduce the rotating speed of the outer cylinder 3 relative to the fixed shaft 2.
The warping of the yarn from the bobbin to the beam is completed by passing all the unwound yarns on the creel 200 through the wiring board 400, passing through the let-off roller 300, winding the yarn by the warper body 100, and being wound around the beam 101.
Furthermore, one end of the outer cylinder 3, which is close to the creel 200, is provided with a yarn disc 5, and the yarn disc 5 rotates along with the outer cylinder 3 and is used for positioning, installing and sleeving the yarn cylinder on the outer cylinder 3.
Further, a rubber ring I6 attached to the end face of the yarn disc 5 is sleeved on the outer cylinder 3; still the cover is equipped with the second rubber ring 7 of keeping away from creel 200 end on the outer barrel 3, and the setting of first rubber ring 6 and second rubber ring 7 for improve the frictional force between a yarn section of thick bamboo and outer barrel 3, be convenient for roll a yarn section of thick bamboo, prevent that it from skidding and influence the yarn and unreel.
Further, the surface of yarn dish 5 covers has syllable-dividing sponge 8, and syllable-dividing sponge 8 is lamellar and pastes and establish the surface of yarn dish 5, the adduction of sponge 8 that gives sound insulation absorbs because of the yarn section of thick bamboo unreels the in-process and produces the noise that sends after colliding with outer barrel 3, yarn dish 5, has played the effect of inhaling the sound, making an uproar.
Further, the embedded bearing 9 that is equipped with of outer barrel 3, fixed axle 2 peg graft on bearing 9, outer barrel 3 makes the rotation through the relative fixed axle 2 of bearing 9, and the built-in bearing 9 of outer barrel 3, and be connected with fixed axle 2 realizes rotating steadily.
Further, a brake frame 10 for fixing the tension adjusting device 4 is arranged on the creel 200, and the brake frame 10 is used for fixedly mounting the tension adjusting device 4.
By additionally arranging the yarn feeding roller and the wiring board, the yarn feeding is stable, and yarns are gathered together to be conveniently wound on a warp beam; the tension adjusting device is additionally arranged to limit the relative rotating speed of the outer cylinder body, so that the tension of the yarns is adjusted, the proper tension of the yarns is kept, adjacent yarns are not easy to be disturbed together, the processing is easy, and the processing efficiency is high; the yarn drum sleeved on the outer cylinder body is positioned and installed by additionally arranging the yarn disc; the rubber ring is arranged to improve the friction force between the yarn drum and the outer drum body, so that the yarn drum is convenient to roll, and the yarn unwinding is prevented from being influenced by the slipping of the yarn drum; the sound-insulation sponge is added to absorb noise generated after collision with the outer cylinder body and the yarn disc in the unwinding process of the yarn cylinder, so that the effects of sound absorption and noise reduction are achieved; the bearing is arranged in the outer cylinder body and connected with the fixed shaft, so that stable rotation is realized; the tension adjusting device is fixedly installed through the arrangement of the brake frame.
Further, in step c, a tensioning device can be used which is positioned before winding, so that the yarn is uniformly tensioned during winding. The used tension device comprises an installation column 111, a circle of annular bulge 112 is arranged in the middle of the installation column 111, a fixing hole 113 is formed in the annular bulge 112, the installation column 111 is fixed on a rack of a winding machine through an installation fixing bolt 114, a semicircular buffer sheet 115 is arranged on the installation column 111 above the annular bulge 112, the buffer sheet 115 is a rubber buffer sheet and is adhered to the installation column 111, when yarns are fed, the buffer sheet 115 plays a role of buffering and effectively prevents the yarns from being broken when the yarns fluctuate, a channel for conveying the yarns is formed between the annular bulge 112 and the buffer sheet 115, a wire guide plate 116 horizontally extends out of the edge of the annular bulge 112 to one side, a ceramic guide pillar 117 is arranged on the wire guide plate 116, the ceramic guide pillar 117 is arranged in parallel with the installation column 111, a wire guide hole 118 is further formed in the outer end of the wire guide plate 116, and the yarns enter from the channel formed between the, the tension disc 119, the felt ring 1110, the tension washer 1111 and the adjusting bolt 1112 are sequentially sleeved on the porcelain guide post 117 from bottom to top, an external thread is arranged on the upper portion of the porcelain guide post 117, the adjusting bolt 1112 is screwed on the external thread, the adjusting bolt 1112 can adjust the moving distance of the tension disc 9 on the porcelain guide post 7, fine adjustment of tension is achieved, the outer edge of the tension disc 119 protrudes upwards to form a convex ring, the felt ring 1110 and the tension washer 1111 are embedded into the convex ring, the felt ring 1110 plays a buffering role when the tension washer 1111 presses downwards, the felt ring 1110 specifically buffers and absorbs vibration, the porcelain guide post 117 is screwed on the guide plate 116, the length of the porcelain guide post can be changed, the moving distance of the tension disc 119 is adjusted, and tension is adjusted. The mounting post 111, the annular protrusion 112 and the wire guide plate 116 are integrally formed by injection molding.
The tarpaulin produced by the production line is compared with the tarpaulin produced by the conventional process. When the flat filament is woven according to the conventional production process, the density of warp directions does not exceed 16 threads per inch due to uneven tension, the density of warp directions of the tarpaulin produced by adopting the embodiment can reach more than 22 threads per inch, and the density of warp directions and weft directions of the prepared tarpaulin is 22 threads per inch. The used flat wire has a width of 115 wires and a thickness of 20-30 wires. Due to the fact that the density of the warp direction and the weft direction is increased, the breaking strength of the prepared tarpaulin in the warp direction and the weft direction is improved.
The average number of the defects of every kilometer of the two kinds of tarpaulins is reduced from 5 to 1.5, the uniformity of the cloth cover is greatly improved, the shutdown and the subsequent repair of the cloth cover can be reduced, and the production efficiency is improved.
The two kinds of tarpaulins have the same warp and weft density, and the rupture strength of the two kinds of tarpaulins is tested, so that the weft rupture strength is enhanced by 5 percent, and the warp rupture strength is enhanced by 10 percent. After the tearing strength of the two kinds of tarpaulins is tested, the tearing strength of the warp direction is increased by 15 percent, and the tearing strength of the weft direction is enhanced by 6 percent. From the above, the tarpaulin produced by the production line has good cloth surface uniformity, and the warp and weft breaking strength and the warp and weft tearing strength are improved.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. A production process of high-efficiency tarpaulin is characterized by comprising the following steps:
a. plasticizing polyolefin composite plastic through an extruder, extruding or blow-molding the plastic into a planar or cylindrical film, and cooling the film;
b. cutting the cooled film into flat wires by a blade on a wire cutting knife rest, and heating, stretching, cooling and shaping the flat wires;
c. winding the filament into a filament ingot by using a winding machine;
d. warping the flat yarns into a plurality of warp beams by adopting a warping device for tarpaulin;
e. weaving on a weaving machine;
f. film spraying;
h. packaging a finished product;
the warping device in the step d comprises a warping machine main body, wherein a warp yarn traction device, a warp beam and a coiling device are arranged on the warping machine main body, the warping machine further comprises a creel for supplying yarns to the warp beam, a plurality of fixed shafts extending laterally are arranged on the creel, and an outer barrel rotating relative to the fixed shafts is sleeved on the fixed shafts; the tension adjusting device is used for limiting the outer cylinder body to rotate relative to the fixed shaft.
2. A high-efficiency tarpaulin production process according to claim 1, wherein: a warp feeding roller which is horizontally arranged is arranged between the warping machine main body and the creel.
3. A high-efficiency tarpaulin production process according to claim 2, wherein: a wiring board for the yarn to pass through is arranged between the let-off roll and the creel, and a thread hole is arranged on the wiring board.
4. A high-efficiency tarpaulin production process according to any one of the claim 1 to 3, wherein: the tension adjusting device comprises a friction plate close to the outer side wall of the outer cylinder and an air pressure tension control mechanism for controlling the friction plate to abut against or be far away from the outer cylinder.
5. A high-efficiency tarpaulin production process according to claim 4, wherein: the air pressure tension control mechanism is a telescopic push rod.
6. A high-efficiency tarpaulin production process according to claim 5, wherein: and a yarn disc is arranged at one end of the outer barrel body close to the creel and rotates along with the outer barrel body.
7. A high-efficiency tarpaulin production process according to claim 6, characterized in that: the outer cylinder body is sleeved with a first rubber ring attached to the end face of the yarn disc; and a second rubber ring far away from the end of the yarn frame is sleeved on the outer barrel.
8. A high-efficiency tarpaulin production process according to claim 6, characterized in that: the surface of yarn dish covers there is the sponge that gives sound insulation, and the sponge that gives sound insulation is lamellar and pastes and establish the surface of yarn dish.
9. A high-efficiency tarpaulin production process according to claim 1, wherein: the bearing is embedded in the outer cylinder body, the fixed shaft is inserted in the bearing, and the outer cylinder body rotates relative to the fixed shaft through the bearing.
10. A high-efficiency tarpaulin production process according to claim 1, wherein: and a brake frame for fixing the tension adjusting device is arranged on the creel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911104106.5A CN110670371A (en) | 2019-11-13 | 2019-11-13 | Efficient tarpaulin production process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911104106.5A CN110670371A (en) | 2019-11-13 | 2019-11-13 | Efficient tarpaulin production process |
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| CN110670371A true CN110670371A (en) | 2020-01-10 |
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| CN201911104106.5A Pending CN110670371A (en) | 2019-11-13 | 2019-11-13 | Efficient tarpaulin production process |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH440066A (en) * | 1965-11-26 | 1967-07-15 | Heberlein & Co Ag | Device for tension setting and for regulating tension fluctuations in thread-like structures introduced into processing machines |
| CN202754632U (en) * | 2012-08-14 | 2013-02-27 | 中国科学院宁波材料技术与工程研究所 | Tension controlling device of carbon fiber unwinding |
| CN203294936U (en) * | 2013-06-13 | 2013-11-20 | 常州市第八纺织机械有限公司 | Mechanism for adjusting tension |
| CN104669726A (en) * | 2015-03-25 | 2015-06-03 | 海宁市金潮实业有限公司 | Wearable puncture-resistant tarpaulin |
| CN104762715A (en) * | 2015-04-03 | 2015-07-08 | 苏州科润织造有限公司 | Tension device for warping machine |
| CN109355754A (en) * | 2018-08-18 | 2019-02-19 | 江苏德顺纺织有限公司 | A kind of novel warping machine creel |
| CN209383125U (en) * | 2018-10-22 | 2019-09-13 | 稳健医疗(嘉鱼)有限公司 | A kind of cotton roll tension-adjusting gear |
-
2019
- 2019-11-13 CN CN201911104106.5A patent/CN110670371A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH440066A (en) * | 1965-11-26 | 1967-07-15 | Heberlein & Co Ag | Device for tension setting and for regulating tension fluctuations in thread-like structures introduced into processing machines |
| CN202754632U (en) * | 2012-08-14 | 2013-02-27 | 中国科学院宁波材料技术与工程研究所 | Tension controlling device of carbon fiber unwinding |
| CN203294936U (en) * | 2013-06-13 | 2013-11-20 | 常州市第八纺织机械有限公司 | Mechanism for adjusting tension |
| CN104669726A (en) * | 2015-03-25 | 2015-06-03 | 海宁市金潮实业有限公司 | Wearable puncture-resistant tarpaulin |
| CN104762715A (en) * | 2015-04-03 | 2015-07-08 | 苏州科润织造有限公司 | Tension device for warping machine |
| CN109355754A (en) * | 2018-08-18 | 2019-02-19 | 江苏德顺纺织有限公司 | A kind of novel warping machine creel |
| CN209383125U (en) * | 2018-10-22 | 2019-09-13 | 稳健医疗(嘉鱼)有限公司 | A kind of cotton roll tension-adjusting gear |
Non-Patent Citations (3)
| Title |
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| 周大纲: "《土工合成材料制造技术及性能》", 30 April 2019, 中国轻工业出版社 * |
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