CN101830335A - Conveyer belt taking warp-knitted bi-axial fabric as framework and manufacturing method thereof - Google Patents
Conveyer belt taking warp-knitted bi-axial fabric as framework and manufacturing method thereof Download PDFInfo
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- CN101830335A CN101830335A CN 201010164707 CN201010164707A CN101830335A CN 101830335 A CN101830335 A CN 101830335A CN 201010164707 CN201010164707 CN 201010164707 CN 201010164707 A CN201010164707 A CN 201010164707A CN 101830335 A CN101830335 A CN 101830335A
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Abstract
The invention relates to a conveyer belt taking a warp-knitted bi-axial fabric as a framework and a manufacturing method thereof. The conveyer belt sequentially comprises a woven fabric, a polyvinyl chloride laminated layer, the warp-knitted bi-axial fabric and a polyvinyl chloride surface layer from bottom to top. The manufacturing method comprises the following steps of: finalizing the design of the woven fabric, carrying out primary coat, and coating polyvinyl chloride paste resin to form the laminated layer; finalizing the design of the warp-knitted bi-axial fabric, jointing with the woven fabric of the bottom layer; and carrying out surface layer coating on the warp-knitted bi-axial fabric to form the conveyer belt structure of a double-framework double- polyvinyl chloride layer. The utilization rate of the intensity of warp in the warp-knitted bi-axial fabric reaches the highest, and the warp is always in a straight state and does not have creep relaxation. Self-cementing between the PVC (polyvinyl chloride) surface layer and the PVC laminated layer can be formed, the primary coat process is left out, the racking strength is greatly enhanced, the requirements on roll diameter and tension length of a conveyer are reduced, the service life is improved, and the cost is 40% lower than the woven fabric.
Description
Technical field
The present invention relates to a kind of novel enhanced skeleton of load-transfer device, strengthen the woven light-duty load-transfer device of skeleton with this and not only satisfy its higher stretching force requirement, and reduce its productive costs greatly, have bigger development space and prospect.
Background technology
Load-transfer device is mainly formed by strengthening skeleton and top layer cladded material, and it strengthens skeleton and occupies critical role, bears from top layer cladded material and extraneous combined action power, plays the effect that improves the load-transfer device disruption characteristic and limit its distortion.Therefore, strengthen in-use performance, service life and the value of service that skeleton has determined product conveying belt to a great extent.
Load-transfer device can occur running long " phenomenon " in long-time use.Its former because load-transfer device is subjected to the pretension effect and makes that the macromolecular chain key length increases and the bond angle opening and closing in its fibrous skeleton, causes fibre length to be extended, and presents creep relaxation, has a strong impact on the service life of its product conveying belt.Therefore strengthen the performance of framework material and organizational structure to improving the product conveying belt stretching force, reduce the belt body elongation and have vital function.
The existing skeleton fabric that strengthens mainly contains following several:
1, woven fabric strengthens skeleton
Woven fabric strengthens skeleton because of its filling yarn closely interweaves, and it is big to have a disruption characteristic, stiffening performance height, and shock resistance is superior, but characteristics such as groove forming character have been widely used in the load-transfer device field.
But this woven plain weave structure filling yarn intertwined point is many, filling yarn is crooked easily, presents the waveform flexing in fabric, and this corrugated flexing makes fabric when being subjected to stretching, yarn in the fabric or fiber stretch elongation more earlier, cause a large amount of unnecessary elongations; Fabric is when being subjected to stretching in addition, the filling yarn mutual extrusion on the intertwined point, a part of yarn potential be wasted in the fabric vertical direction on, cause the loss of fiber strength to reach 20%.
2, whole belt core strengthens skeleton
It is the complex structure fabric that is interwoven by warp thread and weft yarn multilayer diagonal that whole belt core strengthens skeleton.The weft yarn of integral weaving is generally 2～5 layers, is straightened condition and diagonal warp thread and intersects, and point of crossing reduces relatively.
Whole belt core is not stratified structure, and performance is better than the multilayer belt carcass.Have same shortcoming but strengthen skeleton with its woven fabric, big through the weft yarn flexing.
3, the straight latitude of diameter strengthens skeleton
It is main warp latitude mutually exclusive that the straight latitude of diameter strengthens its principal feature of skeleton, and parallel is connected by the limit warp thread in main warp line both sides, and warp thread and weft yarn stretch arrangement, not crimp, thereby the fibre strength degree of utilization can reach 100%.
But this strengthens skeleton and still is in the starting stage at home and abroad, and the level of weaving still is in the stage of fumbling, and it is that existing installation can't be realized that rough yarn causes the also sth. made by twisting difficulty and the huge power of beating up of yarn; The straight latitude belt carcass of diameter belongs to thick and heavy type fabric in addition, is difficult to satisfy the requirement of light and thin type load-transfer device.
Comprehensive above-mentioned enhancing skeleton, can see:
(1) there are the yarn buckling phenomenon in woven plain weave skeleton and whole belt core skeleton, can't reach high stretching force requirement.
(2) the straight latitude skeleton of diameter is weaved difficulty, and prior art water product are difficult to realize.
Different with woven fabric is that warp-knitted bi-axial fabric is made of laying-in yarn, stuffer weft and knitting yarn, wherein, does not interweave between laying-in yarn and the stuffer weft.As Fig. 1 is that twin shaft is that twin shaft is to shown in planar structure scheme drawing from the vertical profile structural representation of WARP-KNITTING to WARP-KNITTING and Fig. 2, laying-in yarn 21 is 0 ° of straight arrangement, stuffer weft 22 is 90 ° of straight arrangements, can parallelly stretch and form two yarn sheet layers and be vertical arrangement mutually, be strapped in together by knitting yarn 23 (claiming the ground tissue again) again, form a stable whole structure, promptly twin shaft is to WARP-KNITTING 2.Warp-knitted bi-axial fabric does not form with stuffer weft to interweave owing to the laying-in yarn in the braiding structure stretches by certain orientation is parallel, and the fiber in the fabric is in no rolled state, has therefore given fabric many excellent mechanical property.
Summary of the invention
It is the load-transfer device of skeleton that technical matters to be solved by this invention is to provide with the warp-knitted bi-axial fabric, at the requirement of load-transfer device overall performance, utilize to have now to constitute a kind of later-model enhancing skeleton in conjunction with the traditional woven thing, help improving the degree of utilization of warp yarn in the load-transfer device through weaving into cooking technique.
It is the manufacture method of the load-transfer device of skeleton with the warp-knitted bi-axial fabric that another technical matters to be solved by this invention is to provide above-mentioned.
The present invention solves the problems of the technologies described above the technical scheme of being taked: a kind of is the load-transfer device of skeleton with the warp-knitted bi-axial fabric, comprise that fabric strengthens skeleton, covers laminating layer and covers surface layer, wherein, described enhancing skeleton comprises warp-knitted bi-axial fabric and woven fabric, and described load-transfer device is made of woven fabric, polyvinylchloride laminating layer, warp-knitted bi-axial fabric and polyvinylchloride surface layer from bottom to top successively.
For satisfying the requirement of load-transfer device high strength, the present invention adopts full width bull inlaid thread mechanism and wrap attachment, makes to strengthen the straight arrangement of multilayer yarn in the skeleton, does not have the staggered up and down phenomenon of pressing mutually, and the ground tissue bundles the point of crossing place of filling yarn, forms warp-knitted bi-axial fabric.Strengthen skeleton with this warp-knitted bi-axial fabric as one deck, because the advantage of warp-knitted bi-axial fabric is that the laying-in yarn is parallel and stretches, and be subjected to force direction in full accord, can respond STRESS VARIATION rapidly, load-transfer device fiber potential degree of utilization almost can reach 100%.
Warp-knitted bi-axial fabric and traditional woven thing is common as the enhancing skeleton, the advantage of weaving its warp-knitted bi-axial fabric of load-transfer device itself of making, the high performance of its finished product will be subjected to numerous clients' favor.
On the basis of such scheme, in the described woven fabric, weft yams is a monofilament polyester, and the broadwise count is 35～40 pieces/inch; Warp yarn is a PFY, and the warp-wise count is 20～25 pieces/inch.
On the basis of such scheme, described warp-wise PFY is a shrinkage percentage at 2.0～3.5% ultralow shrinkage continuous yarn, and its linear density is at 950～1500dtex.
On the basis of such scheme, for the stability that guarantees that load-transfer device is horizontal, described broadwise monofilament polyester diameter is generally 0.3mm at 0.2～0.5mm.
On the basis of such scheme, in the described warp-knitted bi-axial fabric, the count of laying-in yarn and stuffer weft is 25～30 pieces/inch, is non-twist polyester capillaries, and knitting yarn is a polyester capillaries, and the warp-knitted bi-axial fabric after the braiding is formed with mesh.
On the basis of such scheme, the used non-twist polyester capillaries of described laying-in yarn and stuffer weft is the ultralow shrinkage percentage non-twist polyester capillaries of linear density at 950～1500dtex; Described knitting yarn is the ultralow shrinkage percentage polyester capillaries of linear density at 120～150dtex.
On the basis of such scheme, described knitting yarn with laying-in yarn and stuffer weft with 1-0/1-2//pad yarn mode be strapped in.Weave by the tricot machine of Ka Er Meyer model RS3MSU and to form.
On the basis of such scheme, described polyvinylchloride laminating layer and polyvinylchloride surface layer are polyvinyl chloride (PVC) paste resin.
What state at yarn is the manufacture method of the load-transfer device of skeleton with the warp-knitted bi-axial fabric, comprises the steps:
The first step: with the woven fabric typing, after primary coat on the woven fabric, apply polyvinyl chloride (PVC) paste resin, and under ℃ condition of Far-infrared Heating to 320～380, make the polyvinyl chloride (PVC) paste resin plasticizing, form the polyvinylchloride laminating layer;
Second step: with warp-knitted bi-axial fabric typing, the warp-knitted bi-axial fabric of on woven fabric, fitting;
The 3rd step: on warp-knitted bi-axial fabric, apply polyvinyl chloride (PVC) paste resin, under ℃ condition of Far-infrared Heating to 320～380, make the polyvinyl chloride (PVC) paste resin plasticizing, form the polyvinylchloride surface layer, mesh and polyvinylchloride laminating layer that the polyvinylchloride surface layer sees through warp-knitted bi-axial fabric form autoadhesion, constitute the conveyer belt structure of two skeleton double focusing pvdc layers.
Beneficial effect of the present invention:
1, the present invention adopts warp-knitted bi-axial fabric as strengthening one of skeleton, in this warp-knitted bi-axial fabric, warp thread stretch direction be subjected to force direction in full accord, the rate of utilization of strength of warp thread has reached the highest, and disruption characteristic is than preceding raising 40%, and warp yarns is in straight configuration all the time in addition, do not have creep relaxation, therefore its percentage elongation reduces significantly, and 1% stretching force has good dimensional stability than preceding raising 60%;
2, in the woven process of load-transfer device, owing to have the mesh slit between the warp-knitted bi-axial skeleton yarn, in the process of fitting, can form the autoadhesion between PVC surface layer and the PVC laminating layer, saved its primary coat technology, not only simplified technological process, improved production efficiency, and peel strength improves greatly;
3, warp-knitted bi-axial skeleton load-transfer device can reduce roller diameter and the tensioning length requirement to conveyer, in use reduces handling labors such as regular tensioning, improves service life, satisfies the requirement of higher customers;
4, through compiling bidirectional fabric production efficiency height, its Costco Wholesale is low by 40% than woven fabric, improves its load-transfer device product profit rate.
Description of drawings
Fig. 1 is the planar structure scheme drawing of twin shaft to WARP-KNITTING.
Fig. 2 is the vertical profile structural representation of twin shaft to WARP-KNITTING.
Fig. 3 is the cross-sectional view of load-transfer device of the present invention.
Fig. 4 is a flow scheme of the present invention.
Label declaration in the accompanying drawing
1-polyvinylchloride surface layer
2-is through compiling bidirectional fabric 21-laying-in yarn
22-stuffer weft 23-knitting yarn
3-polyvinylchloride laminating layer 4-woven fabric
The specific embodiment
See also Fig. 3 for shown in the cross-sectional view of load-transfer device of the present invention, a kind of is the load-transfer device of skeleton with the warp-knitted bi-axial fabric, comprise that fabric strengthens skeleton, covers laminating layer and covers surface layer, wherein, described enhancing skeleton comprises warp-knitted bi-axial fabric and woven fabric, and described load-transfer device is made of woven fabric 4, polyvinylchloride laminating layer 3, warp-knitted bi-axial fabric 2 and polyvinylchloride 1 surface layer from bottom to top successively.
In the described woven fabric, weft yams is the monofilament polyester of diameter at 0.3mm, guarantees the lateral stability of load-transfer device, and the broadwise count is 35～40 pieces/inch; Warp yarn is a PFY, and the warp-wise count is 20～25 pieces/inch, and long filament is a shrinkage percentage at 2.0～3.5% ultralow shrinkage continuous yarn, and its linear density is at 950～1500dtex.
In the described warp-knitted bi-axial fabric, comprise that laying-in yarn 21, stuffer weft 22 and knitting yarn 23 constitute, wherein, laying-in yarn 21 is 0 ° of straight arrangement, stuffer weft 22 is 90 ° of straight arrangements, does not interweave between laying-in yarn 21 and the stuffer weft 22, can parallelly form two yarn sheet layers with stretching and be vertical arrangement mutually, be strapped in together by knitting yarn 23 again, form a stable whole structure (as shown in Figure 1 and Figure 2).The count of laying-in yarn and stuffer weft is 6～15 pieces/inch, is the ultralow shrinkage percentage non-twist polyester capillaries of linear density at 950～1500dtex; Described knitting yarn is the ultralow shrinkage percentage polyester capillaries of linear density at 120～150dtex; Described knitting yarn with laying-in yarn and stuffer weft with 1-0/1-2//pad yarn mode be strapped in.
Described polyvinylchloride bonding coat and polyvinylchloride surface layer are polyvinyl chloride (PVC) paste resin.
The first step: with the woven fabric typing, after primary coat on the woven fabric, apply polyvinyl chloride (PVC) paste resin, and under ℃ condition of Far-infrared Heating to 320～380, make the polyvinyl chloride (PVC) paste resin plasticizing, form the polyvinylchloride laminating layer;
Second step: with warp-knitted bi-axial fabric typing, the warp-knitted bi-axial fabric of on woven fabric, fitting;
The 3rd step: on warp-knitted bi-axial fabric, apply polyvinyl chloride (PVC) paste resin, under ℃ condition of Far-infrared Heating to 320～380, make the polyvinyl chloride (PVC) paste resin plasticizing, form the polyvinylchloride surface layer, mesh and polyvinylchloride laminating layer that the polyvinylchloride surface layer sees through warp-knitted bi-axial fabric form autoadhesion, constitute the conveyer belt structure of two skeleton double focusing pvdc layers.
Load-transfer device physical property test comparison is as shown in table 1:
Table 1
| Physical parameter | Both woven thing skeleton load-transfer device | Twin shaft is to WARP-KNITTING/woven fabric skeleton load- |
| 1% stretching force (N/mm) | ??10 | ??16 |
| Disruption characteristic (N/mm) | ??100 | ??140 |
| Peel strength (N/mm) | ??3.0 | ??3.6 |
Claims (9)
1. one kind is the load-transfer device of skeleton with the warp-knitted bi-axial fabric, comprise that fabric strengthens skeleton, covers laminating layer and covers surface layer, it is characterized in that: described enhancing skeleton comprises warp-knitted bi-axial fabric and woven fabric, and described load-transfer device is made of woven fabric, polyvinylchloride laminating layer, warp-knitted bi-axial fabric and polyvinylchloride surface layer from bottom to top successively.
2. according to claim 1 is the load-transfer device of skeleton with the warp-knitted bi-axial fabric, it is characterized in that: in the described woven fabric, weft yams is a monofilament polyester, and the broadwise count is 35～40 pieces/inch; Warp yarn is a PFY, and the warp-wise count is 20～25 pieces/inch.
3. according to claim 2 is the load-transfer device of skeleton with the warp-knitted bi-axial fabric, it is characterized in that: described warp-wise PFY is a shrinkage percentage at 2.0～3.5% ultralow shrinkage continuous yarn, and its linear density is at 950～1500dtex.
4. according to claim 2 is the load-transfer device of skeleton with the warp-knitted bi-axial fabric, it is characterized in that: described broadwise monofilament polyester diameter is at 0.2～0.5mm.
5. according to claim 1 is the load-transfer device of skeleton with the warp-knitted bi-axial fabric, it is characterized in that: in the described warp-knitted bi-axial fabric, the count of laying-in yarn and stuffer weft is 6～15 pieces/inch, be non-twist PFY, knitting yarn is a PFY, and the warp-knitted bi-axial fabric after the braiding is formed with mesh.
6. according to claim 5 is the load-transfer device of skeleton with the warp-knitted bi-axial fabric, it is characterized in that: the used non-twist PFY of described laying-in yarn and stuffer weft is the ultralow contraction non-twist polyester capillaries of linear density at 950～1500dtex; Described knitting yarn is the ultralow contractive polyester long filament of linear density at 120～150dtex.
7. according to claim 5 is the load-transfer device of skeleton with the warp-knitted bi-axial fabric, it is characterized in that: described knitting yarn with laying-in yarn and stuffer weft with 1-0/1-2//pad yarn mode be strapped in.
8. according to claim 1 is the load-transfer device of skeleton with the warp-knitted bi-axial fabric, it is characterized in that: described polyvinylchloride laminating layer and polyvinylchloride surface layer are polyvinyl chloride (PVC) paste resin.
9. described at one of claim 1 to 8 is the manufacture method of the load-transfer device of skeleton with the warp-knitted bi-axial fabric, it is characterized in that comprising the steps:
The first step: with the woven fabric typing, after primary coat on the woven fabric, apply polyvinyl chloride (PVC) paste resin, and under ℃ condition of Far-infrared Heating to 320～380, make the polyvinyl chloride (PVC) paste resin plasticizing, form the polyvinylchloride laminating layer;
Second step: with warp-knitted bi-axial fabric typing, the warp-knitted bi-axial fabric of on woven fabric, fitting;
The 3rd step: on warp-knitted bi-axial fabric, apply polyvinyl chloride (PVC) paste resin, under ℃ condition of Far-infrared Heating to 320～380, make the polyvinyl chloride (PVC) paste resin plasticizing, form the polyvinylchloride surface layer, mesh and polyvinylchloride laminating layer that the polyvinylchloride surface layer sees through warp-knitted bi-axial fabric form autoadhesion, constitute the conveyer belt structure of two skeleton double focusing pvdc layers.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985791A (en) * | 2010-09-29 | 2011-03-16 | 常州市宏发纵横新材料科技有限公司 | Method for producing camouflage net enhancing fabrics |
| CN102285519A (en) * | 2011-04-28 | 2011-12-21 | 上海永利带业股份有限公司 | Light conveyer belt for seed industry and manufacturing method thereof |
| CN103192560A (en) * | 2012-01-06 | 2013-07-10 | 上海杰事杰新材料(集团)股份有限公司 | Food and medicine conveyor belt and making method thereof |
| CN106219144A (en) * | 2015-10-29 | 2016-12-14 | 上海永利带业股份有限公司 | A kind of manufacture method of logistic industry high abrasion low friction light-type conveyer belt |
| CN107639532A (en) * | 2017-09-14 | 2018-01-30 | 浙江米欧制带股份有限公司 | Rubber PVC sanders band and its manufacture method |
| CN112109349A (en) * | 2020-09-09 | 2020-12-22 | 上海永利输送系统有限公司 | TPU type conveying belt and preparation method and application thereof |
| CN112477216A (en) * | 2020-10-14 | 2021-03-12 | 上海永利带业股份有限公司 | Burr-free meat conveyer belt and manufacturing method thereof |
| CN114150507A (en) * | 2021-12-23 | 2022-03-08 | 苏州意诺工业皮带有限公司 | Belt for wrapper and preparation method thereof |
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| EP0309605A1 (en) * | 1987-10-01 | 1989-04-05 | OLBO Textilwerke GmbH | Conveyor belt |
| CN2585835Y (en) * | 2002-10-28 | 2003-11-12 | 兖矿集团有限公司 | Laminated fire retardant conveyer belt |
| CN101172537A (en) * | 2007-11-07 | 2008-05-07 | 上海永利带业制造有限公司 | Flame-proof polyvinyl chloride conveyer belt |
| CN201068328Y (en) * | 2007-07-17 | 2008-06-04 | 朴成根 | Metal core fabric rubber conveyer belt |
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| EP0309605A1 (en) * | 1987-10-01 | 1989-04-05 | OLBO Textilwerke GmbH | Conveyor belt |
| CN2585835Y (en) * | 2002-10-28 | 2003-11-12 | 兖矿集团有限公司 | Laminated fire retardant conveyer belt |
| CN201068328Y (en) * | 2007-07-17 | 2008-06-04 | 朴成根 | Metal core fabric rubber conveyer belt |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985791A (en) * | 2010-09-29 | 2011-03-16 | 常州市宏发纵横新材料科技有限公司 | Method for producing camouflage net enhancing fabrics |
| CN102285519A (en) * | 2011-04-28 | 2011-12-21 | 上海永利带业股份有限公司 | Light conveyer belt for seed industry and manufacturing method thereof |
| CN103192560A (en) * | 2012-01-06 | 2013-07-10 | 上海杰事杰新材料(集团)股份有限公司 | Food and medicine conveyor belt and making method thereof |
| CN106219144A (en) * | 2015-10-29 | 2016-12-14 | 上海永利带业股份有限公司 | A kind of manufacture method of logistic industry high abrasion low friction light-type conveyer belt |
| CN106219144B (en) * | 2015-10-29 | 2018-05-11 | 上海永利带业股份有限公司 | A kind of manufacture method of logistic industry high abrasion low friction light-type conveyer belt |
| CN107639532A (en) * | 2017-09-14 | 2018-01-30 | 浙江米欧制带股份有限公司 | Rubber PVC sanders band and its manufacture method |
| CN112109349A (en) * | 2020-09-09 | 2020-12-22 | 上海永利输送系统有限公司 | TPU type conveying belt and preparation method and application thereof |
| CN112477216A (en) * | 2020-10-14 | 2021-03-12 | 上海永利带业股份有限公司 | Burr-free meat conveyer belt and manufacturing method thereof |
| CN114150507A (en) * | 2021-12-23 | 2022-03-08 | 苏州意诺工业皮带有限公司 | Belt for wrapper and preparation method thereof |
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Open date: 20100915 |