CN103159987A - Wrapping cloth V belt and manufacture method thereof - Google Patents
Wrapping cloth V belt and manufacture method thereof Download PDFInfo
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- CN103159987A CN103159987A CN2013100473049A CN201310047304A CN103159987A CN 103159987 A CN103159987 A CN 103159987A CN 2013100473049 A CN2013100473049 A CN 2013100473049A CN 201310047304 A CN201310047304 A CN 201310047304A CN 103159987 A CN103159987 A CN 103159987A
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Abstract
The invention relates to a wrapping cloth V belt and a manufacture method of the wrapping cloth V belt and belongs to the technical field of mechanical transmission devices and materials. The wrapping cloth V belt comprises a core layer and a wrapping cloth layer covered on the outer surface of the core layer. The core layer sequentially comprises a base glue layer made of fiber glue pieces, a viscose layer, a polyester hard line rope and a buffering glue layer from bottom to top. The fiber glue pieces comprise natural rubber, butadiene styrene rubber, chloroprene rubber, reclaimed rubber, anti-aging agents, stearic acid, magnesium oxide, carbon black, softening agents, short fibers, zinc oxide, padding, and accelerating agents. The fiber glue pieces manufactured by mixed refining undergo horizontal cutting and splicing, and therefore short fibers in the fiber glue pieces are horizontally arranged. The finished wrapping cloth V belt is obtained through treatment of forming, cutting, cloth wrapping, vulcanization and demolding. Components in the rubber pieces are reasonable in ratio, and the wrapping cloth V belt has the advantages of being high in intensity, not prone to horizontal deformation, and long in service life. The manufacture method of the wrapping cloth V belt is simple in technology and easy to operate.
Description
Technical field
The present invention relates to a kind of infantees V band and preparation method thereof, belong to mechanical transmission and material technology field.
Background technology
Infantees V band is a kind of travelling belt that is widely used in various machineries, mainly be comprised of industrial canvas, soft polyester cotton rope and primer layer, described primer layer is mainly by natural rubber, styrene-butadiene rubber(SBR), reclaimed rubber and Synergist S-421 95 (zinc oxide, stearic acid, anti-aging agent, carbon black, tenderizer etc.).But existing infantees V band ubiquity product and is easily caved in, and causes distortion large, and the problem such as the antifatigue flexural property is poor, is prone to fault, and work-ing life is short.Existing infantees V band also has vertical in the V band (length direction that is equivalent to infantees V band) to be wound with the soft polyester cotton rope provides infantees V vertical tensile strength performance of band.Yet if adopt polyester rigid line rope in infantees V is with after, infantees V band is prone to depressed phenomenon, and makes the transverse deformation of infantees V band, causes friction increase between infantees V band side and belt wheel, infantees V is with fragile.As Chinese patent (Granted publication number: 101204852B, the day for announcing: on 04 21st, 2010) manufacture method of disclosed a kind of trimming tooth type rubber V belt, it specifically discloses this tooth type rubber V belt and comprises primer layer, adhesive-layer, polyester rigid line rope and the cushion gum layer of being made by fiber film, and covers at the upper surface of cushion gum layer and be stained with top cloth.Also specifically disclose the concrete weight proportion for the fiber film of primer layer:
Chloroprene rubber: 80～100; Carbon black: 45～75; Styrene-butadiene rubber(SBR): 0～20; Magnesium oxide: 3.5～7.0; Zinc oxide: 3.5～5; Promotor: NA-22:0.2～0.5; Stearic acid: 1～1.5; Short polyester fiber: 15～25; Anti-aging agent LE-W:1.5～2.0; Tenderizer: 5～10.It is to be specifically designed to be prepared with the tooth edge V tape, has technique reasonable, the technique effect that cost is low.but, also there are many defectives if directly be applied to infantees V band, it is unreasonable that the one-tenth of fiber film is grouped into compatibility, directly apply to infantees V band, because strength layer adopts polyester rigid line rope, material is harder, in use procedure can depressed phenomenon appear product, in addition, although, fiber film is added with short polyester fiber, but, to form by calendering in the course of processing due to fiber film, thereby cause short polyester fiber in fiber film to present the mode of longitudinal arrangement, it is consistent with vertical polyester rigid line rope direction that is wound around in the V band that directly use can make the orientation of short polyester fiber, thereby do not have supporting role, also can make product depressed phenomenon easily occur, transverse deformation is serious, reduce the work-ing life of product.
Summary of the invention
The present invention is directed to above problems of the prior art, a kind of new infantees V band and preparation method thereof is provided, can realize that product is difficult for depression and produces the rational technique effect of composition proportion in distortion, fiber film, and described method to have technique simple, the technique effect that cost is low.
One of purpose of the present invention is achieved by the following technical programs, a kind of infantees V band, described infantees V band comprises sandwich layer and is coated on the infantees layer of sandwich layer outside surface, described sandwich layer is comprised primer layer, adhesive-layer, polyester rigid line rope and the cushion gum layer of being made by fiber film successively by bottom to top, described fiber film comprises the weight part of following composition:
Natural rubber: 40～60; Carbon black: 45～70;
Styrene-butadiene rubber(SBR): 20～40; Magnesium oxide: 0～2.0;
Chloroprene rubber: 0～20; Reclaimed rubber: 20～30;
Zinc oxide: 3.5～5.0; Filler: 20～50;
Promotor: 1.5～3.0; Stearic acid: 1.0～1.5;
Staple fibre: 10～25; Anti-aging agent: 1.5～2.0;
Tenderizer: 5.0～10.
The present invention is grouped into by the one-tenth to the fiber film that is used for primer layer and improves, adopting natural rubber, styrene-butadiene rubber(SBR), reclaimed rubber and chloroprene rubber is main rubber, and by adding zinc oxide, magnesium oxide and promotor can make rubber become crosslinking-type rubber by plasticity, and by adding staple fibre to improve the strength property of fiber film, make the product that makes not be prone to depressed phenomenon, has the on-deformable advantage of product, improve the work-ing life of product, can improve more than 3 times work-ing life.Simultaneously, staple fibre coordinates the present invention's body of rubber material used, can be good at realizing improving the performance of product, makes product not yielding.Have reasonable ratio between each composition in fiber film of the present invention, have each other synergy, good combination property can also improve the transverse strength feature performance benefit of product.
In above-mentioned infantees V band, as preferably, described staple fibre is transversely arranged in primer layer.The described transversely arranged width that also can be expressed as infantees V band, intersect thereby make to form between the polyester rigid line rope that vertically is wound around in infantees V band and staple fibre, be equivalent to polyester rigid line rope is played a supporting role, thereby solve the problem that the product that exists when adopting polyester rigid line rope easily produces depression, realize that product is difficult for producing the effect of depression, make product be difficult in a lateral direction metamorphism, improve the work-ing life of product.In addition, the present invention directly is coated on infantees the periphery of sandwich layer, can guarantee further that equally product is not prone to metamorphism.In addition, the transversely arranged lateral stiffness that can also improve product of described staple fibre.
In above-mentioned infantees V band, as preferably, the weight part of described staple fibre is 12～24.As further preferred, described staple fibre comprises cotton fibre, polypropylene fibre, nylon, polyester, carbon fiber etc.
In above-mentioned infantees V band, as preferably, described infantees layer is the canvas through knitting device, and the warp-wise density of described canvas is 36～38/cm, and latitudinal density is 37～40/cm.Be coated on the periphery of V band because the present invention adopts infantees, produce friction between the side meeting of infantees V band and belt wheel in use procedure, infantees is damaged.Therefore, the present invention is by selecting canvas through knitting device as the infantees layer, and warp-wise density and the latitudinal density of canvas are done further requirement, to improve the scratch-resistant performance of infantees layer.As preferably, it is that raw material is made that described canvas adopts heckling yarn and polyester-cotton blend, and the ratio of described heckling yarn and polyester-cotton blend is 1:1.The canvas that adopts above-mentioned raw materials to make can further improve the scratch-resistant performance of canvas.As further preferred, described infantees layer is at least one deck or two-layer.In order to improve scratch-resistant performance and work-ing life equally.
In above-mentioned infantees V band, as preferably, the weight part of described chloroprene rubber is 5.0～10; Described magnesian weight part is 0.5～1.5; Described promotor comprises accelerant CZ, altax, acceterator TE TD, accelerant N A-22 etc.Adding the resistance toheat that can further improve product and resisting of chloroprene rubber deflects performance, simultaneously, adds magnesium oxide can improve chloroprene rubber and becomes crosslinking-type rubber, is combined with better effects if with natural rubber, styrene-butadiene rubber(SBR) and reclaimed rubber.Described promotor can be improved the vulcanization rate of product.
In above-mentioned infantees V band, as preferably, described fiber film comprises the weight part of following composition:
Natural rubber: 45～55; Carbon black: 50～60;
Styrene-butadiene rubber(SBR): 25～35; Magnesium oxide: 0.5～1.5;
Chloroprene rubber: 15～20; Reclaimed rubber: 22～25;
Zinc oxide: 4.0～4.5; Filler: 30～40;
Promotor: 2.0～2.5; Stearic acid: 1.2～1.3;
Staple fibre: 20～24; Anti-aging agent: 1.6～1.8;
Tenderizer: 6.0～8.0.
In infantees V band described above, adding of described carbon black has good strengthening action to rubber, improves the tensile strength of product.The ageing-resistant performance that the adding of described anti-aging agent to improve rubber and deflect performance.Described filler comprises the calcium carbonate crossed through surface activation process and potter's clay etc., has the effect that improves moulding process and reduce costs.Adding of stearic acid and tenderizer has the effect that improves mixing and complete processing, and described tenderizer mainly contains aromatic hydrocarbon oil, machine oil etc.
In infantees V described above band, as preferably, described polyester rigid line rope is wrapped in adhesive-layer fully, has the further fixedly effect of polyester rigid line rope.
One of purpose of the present invention is achieved by the following technical programs, a kind of preparation method of infantees V band, and the method comprises the following steps:
A, mixing: the weight ratio that adopts the composition of fiber film described above, first natural rubber, styrene-butadiene rubber(SBR), chloroprene rubber and reclaimed rubber are mixed and plasticate, then, add in proportion carry out after anti-aging agent, stearic acid, magnesium oxide, carbon black, tenderizer, staple fibre, zinc oxide, filler and promotor mixing, after mixing end, carry out discharge, slice, cooling, obtain viscose in mill; Then, viscose is pressed into the fiber film of 0.8～2mm thickness on rolling press, after lateral shear, then splices, make the staple fibre in fiber film be transversely arranged;
B, moulding: put the rubber sheath through grinding on balloon, then, be wound around the fiber film formation primer layer that multilayer step a obtains on sheath, then the outside surface at primer layer sticks bonding film formation adhesive-layer, outside surface spiral at adhesive-layer curls polyester rigid line rope again, at last, form cushion gum layer at the outer applying breaker strip of polyester rigid line rope, get tubular band embryo after moulding;
C, cutting, infantees: tubular band embryo is cut into the band embryo of ladder type shape, then, the outside surface that on cloth-wrapping machine, canvas bag is overlayed on embryo forms the infantees layer, obtains V band band embryo;
D, sulfuration, demoulding: the V band band embryo that above-mentioned steps c is obtained vulcanizes, after demoulding, obtain finished product infantees V band.
In the preparation method of infantees V band described above, the staple fibre described in step b in primer layer is transversely arranged.By in advance the fiber film Transverse Shear being cut into corresponding fiber film, then splice, make the staple fibre in fiber film be transversely arranged.Then, then be wound around above-mentioned fiber film on rubber sheath, thereby make the staple fibre in fiber film be transversely arranged, the described transversely arranged width arrangement that refers to infantees V band.Directly adopt the fiber film that is longitudinal arrangement easily to make infantees V band be prone to depressed phenomenon thereby solve.
In the preparation method of infantees V described above band, as preferably, the winding displacement tension force of the polyester rigid line rope described in step b is 0.2～0.7MPa, and density is 50～100/100mm.
In the preparation method of infantees V band described above, as preferably, first sticking bonding film formation adhesive-layer before the applying cushion gum layer in step b outside polyester rigid line rope, then forming cushion gum layer at the outer applying breaker strip of adhesive-layer.Thereby polyester rigid line rope is wrapped in adhesive-layer fully, has the further fixedly effect of polyester rigid line rope.
In the preparation method of infantees V described above band, as preferably, canvas described in step c is dipped canvas or rubber canvas.Described dipped canvas is canvas to be immersed in the chloroprene rubber rubber cement process, the mass concentration of rubber cement is 15%～25%, and the rubber cement of dipping is penetrated in fabric fibre, makes fabric face adhere to one deck glue-line, then control temperature and dry at 80 ℃～90 ℃, obtain dipped canvas.Described rubber canvas is first with canvas oven dry, sends in rolling press, makes the canvas surface smear the thin glue of one deck by squeeze and obtains the rubber canvas.
In the preparation method of infantees V band described above, described bonding film and breaker strip adopt the film for rubber of this area routine to realize.
In sum, the present invention compared with prior art has the following advantages:
1. infantees V of the present invention band, it is more reasonable to join between each composition in fiber film, and the infantees V band that obtains has resistance to elongation can be good, the performance of high-modulus and resistance to deformation.By adding staple fibre, and the add-on of controlling staple fibre combines framework material polyester rigid line rope simultaneously, effectively reduces horizontal yielding problem in the use procedure of product, greatly increased the work-ing life of product, can improve more than 3 times work-ing life, thereby also just reduced cost.
2. infantees V of the present invention is with, coat one deck infantees layer at least by the periphery at sandwich layer, can reduce equally the horizontal yielding problem of product, and adopt highdensity infantees V band and select canvas that special raw material makes as the infantees layer, the scratch-resistant performance of product side can be improved, the work-ing life of product can be guaranteed equally.
3. the preparation method of infantees V of the present invention band, have technological process simple, and easy handling, and first cut into the V band of trapezoidal shape before sulfuration, the slitter edge that produces in cutting process and waste material can regenerations, reduced greatly production cost.Simultaneously, be specially for product of the present invention in moulding process, be wound around and use the staple fibre in fiber film can be transversely arranged in the process of fiber film, thereby realize the horizontal on-deformable effect of product that makes, improve the work-ing life that produces.
Description of drawings
Fig. 1 is the cross section sectional structure schematic diagram of existing infantees V band.
Fig. 2 is the cross section sectional structure schematic diagram of infantees V band of the present invention.
In figure, 1. sandwich layer; 2. infantees layer; 11, primer layer; 12 adhesive-layers; 13, polyester rigid line rope; 14, cushion gum layer.
Embodiment
Below by specific embodiments and the drawings, technical scheme of the present invention is described in further detail, but the present invention is not limited to these embodiment.
As shown in Fig. 1-2, infantees V band of the present invention comprises sandwich layer 1 and the infantees layer 2 that is coated on sandwich layer 1 outside surface, and described sandwich layer 1 is comprised primer layer 11, adhesive-layer 12, polyester rigid line rope 13 and the cushion gum layer 14 of being made by fiber film successively by bottom to top.
In particular, as shown in Figure 2 in the present invention, coat infantees layer 2 by the outer surface at sandwich layer 1, can reduce the transverse deformation of product, can also improve the scratch-resistant performance of infantees layer 2, further improve work-ing life.As preferably, described infantees layer 2 is at least one deck or two-layer, improves the scratch-resistant performance of infantees layer.The fixedly effect of polyester rigid line rope of described adhesive-layer 12.As preferably, described polyester rigid line rope 13 is wrapped in adhesive-layer 12 fully, can play better fixed action.Described adhesive-layer 12 material bonding film used adopts the bonding film of this area routine to get final product.The same film for rubber of this area routine that adopts of described cushion gum layer 14 gets final product.
Following table 1 is the weight part proportioning of each composition in fiber film described in embodiment 1-4:
Table 1:
"-" described in above-mentioned table 1 expression does not add this composition in this embodiment.
Promotor described in above-mentioned table 1 embodiment 1 is accelerant CZ and accelerant N A-22, and the amount of accelerant CZ is 1.5 weight parts, and described accelerant N A-22 is 0.3 weight part.
Promotor described in above-mentioned table 1 embodiment 2 is altax.
Promotor described in above-mentioned table 1 embodiment 3 is accelerant CZ, acceterator TE TD and accelerant N A-22, and the amount of accelerant CZ is 1.0 weight parts, and the amount of described acceterator TE TD is 0.5 weight part, and described accelerant N A-22 is 0.5 weight part.
Promotor described in above-mentioned table 1 embodiment 4 is altax and accelerant N A-22, and described altax is 1.5 weight parts, and accelerant N A-22 is 0.2 weight part.
Staple fibre described in above-mentioned table 1 embodiment is preferably polyester and nylon composite short fiber.
Embodiment 1
A kind of infantees V band, described V band comprises sandwich layer 1 and the infantees layer 2 that is coated on the sandwich layer outside surface, described sandwich layer 1 is comprised primer layer 11, adhesive-layer 12, polyester rigid line rope 13 and the cushion gum layer 14 of being made by fiber film successively by bottom to top.Described infantees layer adopts dipped canvas, and described staple fibre be transversely arranged in primer layer 11, the described transversely arranged infantees V bandwidth direction arrangement that refers to.As preferably, described polyester rigid line rope is wrapped in adhesive-layer fully.
In the present embodiment, the concrete preparation method of above-mentioned infantees V band is as follows:
a, mixing: the weight part proportioning that adopts the composition of the fiber film described in above-mentioned table 1 embodiment 1, first with natural rubber, styrene-butadiene rubber(SBR), chloroprene rubber and reclaimed rubber mix plasticated 45～60 seconds, then, first add in proportion anti-aging agent, carried out after stearic acid and magnesium oxide mixing 30～50 seconds, add again carbon black and tenderizer to continue mixing 110～160 seconds, add at last staple fibre, zinc oxide, proceed mixing 30～60 seconds after filler and promotor, after mixing end, carry out discharge, slice in mill, cooling, obtain viscose, the thickness of viscose is 10～12mm, then, viscose is pressed into the fiber film of 0.8～2.0mm thickness on rolling press, after lateral shear, splice again, make the staple fibre in fiber film be transversely arranged,
b, moulding: put the rubber sheath through grinding on balloon, then, be wound around the fiber film formation primer layer 11 that multilayer step a obtains on sheath, in winding process in advance with after the fiber film lateral shear, splice again, make the staple fibre in fiber film be transversely arranged, then the outside surface at primer layer 11 sticks bonding film formation adhesive-layer 12, outside surface spiral at adhesive-layer 12 curls polyester rigid line rope again, make polyester rigid line rope be longitudinal arrangement, described longitudinal arrangement namely refers to the length direction arrangement of V band, and the winding displacement tension force of polyester rigid line rope is that winding displacement tension force is 0.2～0.7MPa, density is 50～100/100mm, at last, form cushion gum layer 14 at the outer applying breaker strip of polyester rigid line rope, get tubular band embryo after moulding.As preferably, first stick bonding film outside poly-sour rigid line rope and form adhesive-layer, then form cushion gum layer 14 at the outer applying breaker strip of adhesive-layer, get tubular band embryo after moulding.
C, cutting, infantees: adopt multi-functional cutting station to cut tubular band embryo, be cut into corresponding width according to infantees V with different models, after cutting is completed, enter the infantees operation with embryo with single after being cut into the band embryo of corresponding ladder type shape on cornering machine, the periphery (outside surface) that namely on cloth-wrapping machine, dipped canvas is coated on embryo forms infantees layer 2, obtains V band band embryo;
D, sulfuration, demoulding: the V band that above-mentioned steps c is obtained is packed into one by one with embryo in the infantees V band mould that is combined by many wall scroll bands, is placed on and carries out the gum cover sulfuration in vulcanizing boiler.Be specially at first in the gum cover outside and apply vapor pressure, external pressure is 0.7～1.2MPa, external pressure pressurize 1～8 minute, then, to applying vapor pressure in gum cover, interior pressure pressure is 0.3～0.4MPa, curing time is 20～40 minutes, steam discharge after sulfuration finishes, and enter cooling, after carrying out one by one demoulding, clean, check obtains finished product infantees V band, the packing warehouse-in.
A kind of infantees V band, described V band comprises sandwich layer 1 and the infantees layer 2 that is coated on the sandwich layer outside surface, described sandwich layer 1 is comprised primer layer 11, adhesive-layer 12, polyester rigid line rope 13 and the cushion gum layer 14 of being made by fiber film successively by bottom to top.Described infantees layer is two-layer, and described infantees layer adopts dipped canvas, and the warp-wise density of described canvas is 38/cm, and latitudinal density is 40/cm; Described staple fibre is transversely arranged in primer layer 11, the described transversely arranged width arrangement that refers to infantees V band.As preferably, described polyester rigid line rope is wrapped in adhesive-layer fully,
In the present embodiment, the concrete preparation method of above-mentioned infantees V band is as follows:
A, mixing: concrete compounding process is consistent with the corresponding compounding process of embodiment 1, repeats no more here;
b, moulding: put the rubber sheath through grinding on balloon, then, be wound around the fiber film formation primer layer 11 that multilayer step a obtains on sheath, in winding process in advance with after the fiber film lateral shear, splice again, make the staple fibre in fiber film be transversely arranged, then the outside surface at primer layer 11 sticks bonding film formation adhesive-layer 12, outside surface spiral at adhesive-layer 12 curls polyester rigid line rope again, make polyester rigid line rope be longitudinal arrangement, described longitudinal arrangement namely refers to the length direction arrangement of V band, and the winding displacement tension force of polyester rigid line rope is that winding displacement tension force is 0.5MPa, density is 80/100mm, at last, form cushion gum layer 14 at the outer applying breaker strip of polyester rigid line rope, get tubular band embryo after moulding, as preferably, first stick bonding film outside poly-sour rigid line rope and form adhesive-layer, then form cushion gum layer 14 at the outer applying breaker strip of adhesive-layer, get tubular band embryo after moulding.
C, cutting, infantees: adopt multi-functional cutting station to cut tubular band embryo, be cut into corresponding width according to infantees V with different models, after cutting is completed, enter the infantees operation with embryo with single after being cut into the band embryo of corresponding ladder type shape on cornering machine, the periphery (outside surface) that namely on cloth-wrapping machine, dipped canvas is coated on embryo forms infantees layer 2, obtains V band band embryo; The concrete treatment process of described dipped canvas is: canvas is immersed in the chloroprene rubber rubber cement processes, the mass concentration of rubber cement is 15%～25%, the rubber cement of dipping is penetrated in fabric fibre, make fabric face adhere to one deck glue-line, then control temperature and dry at 80 ℃～90 ℃, obtain dipped canvas;
D, sulfuration, demoulding: the V band that above-mentioned steps c is obtained is packed into one by one with embryo in the infantees V band mould that is combined by many wall scroll bands, is placed on and carries out the gum cover sulfuration in vulcanizing boiler.Be specially at first in the gum cover outside and apply vapor pressure, external pressure is 0.7～1.2MPa, external pressure pressurize 1～8 minute, then, to applying vapor pressure in gum cover, interior pressure pressure is 0.3～0.4MPa, curing time is 20～40 minutes, steam discharge after sulfuration finishes, and enter cooling, after carrying out one by one demoulding, clean, check obtains finished product infantees V band, the packing warehouse-in.
Embodiment 3
A kind of infantees V band, described V band comprises sandwich layer 1 and the infantees layer 2 that is coated on the sandwich layer outside surface, described sandwich layer 1 is comprised primer layer 11, adhesive-layer 12, polyester rigid line rope 13 and the cushion gum layer 14 of being made by fiber film successively by bottom to top.Described infantees layer is two-layer, and described infantees layer adopts dipped canvas, and the warp-wise density of described canvas is 37/cm, and latitudinal density is 40/cm; Described staple fibre is transversely arranged in primer layer 11, and described transversely arranged referring to arranged according to V bandwidth direction.As preferably, described polyester rigid line rope is wrapped in adhesive-layer fully.
In the present embodiment, the concrete preparation method of above-mentioned infantees V band is as follows:
A, mixing: concrete compounding process is consistent with the corresponding compounding process of embodiment 1, repeats no more here;
b, moulding: put the rubber sheath through grinding on balloon, then, be wound around the fiber film formation primer layer 11 that multilayer step a obtains on sheath, in winding process in advance with after the fiber film lateral shear, splice again, make the staple fibre in fiber film be transversely arranged, then the outside surface at primer layer 11 sticks bonding film formation adhesive-layer 12, outside surface spiral at adhesive-layer 12 curls polyester rigid line rope again, make polyester rigid line rope be longitudinal arrangement, described longitudinal arrangement namely refers to the length direction arrangement of V band, and the winding displacement tension force that makes polyester rigid line rope is that winding displacement tension force is 0.5MPa, density is 80/100mm, at last, form cushion gum layer 14 at the outer applying breaker strip of polyester rigid line rope, get tubular band embryo after moulding, as preferably, first stick bonding film outside poly-sour rigid line rope and form adhesive-layer, then form cushion gum layer 14 at the outer applying breaker strip of adhesive-layer, get tubular band embryo after moulding.
C, cutting, infantees: adopt multi-functional cutting station to cut tubular band embryo, be cut into corresponding width according to infantees V with different models, after cutting is completed, enter the infantees operation with embryo with single after being cut into the band embryo of corresponding ladder type shape on cornering machine, the periphery (outside surface) that namely on cloth-wrapping machine, dipped canvas is coated on embryo forms infantees layer 2, obtains V band band embryo; The concrete treatment process of described dipped canvas is: canvas is immersed in the chloroprene rubber rubber cement processes, the mass concentration of rubber cement is 25%, the rubber cement of dipping is penetrated in fabric fibre, make fabric face adhere to one deck glue-line, then control temperature and dry at 90 ℃, obtain dipped canvas.As preferably, it is that raw material is made that described canvas adopts smart sulphur yarn and polyester-cotton blend, and the ratio of described smart sulphur yarn and polyester-cotton blend is 1:1;
D, sulfuration, demoulding: the V band that above-mentioned steps c is obtained is packed into one by one with embryo in the infantees V band mould that is combined by many wall scroll bands, is placed on and carries out the gum cover sulfuration in vulcanizing boiler.Be specially at first in the gum cover outside and apply vapor pressure, external pressure is 0.7～1.2MPa, external pressure pressurize 1～8 minute, then, to applying vapor pressure in gum cover, interior pressure pressure is 0.3～0.4MPa, curing time is 20～40 minutes, steam discharge after sulfuration finishes, and enter cooling, after carrying out one by one demoulding, clean, check obtains finished product infantees V band, the packing warehouse-in.
Embodiment 4
A kind of infantees V band, described V band comprises sandwich layer 1 and the infantees layer 2 that is coated on the sandwich layer outside surface, described sandwich layer 1 is comprised primer layer 11, adhesive-layer 12, polyester rigid line rope 13 and the cushion gum layer 14 of being made by fiber film successively by bottom to top.Described infantees layer is two-layer, and described infantees layer adopts dipped canvas, and the warp-wise density of described canvas is 37/cm, and latitudinal density is 38/cm; Described staple fibre is transversely arranged in primer layer 11, and described transversely arranged referring to arranged according to V bandwidth direction.As preferably, described polyester rigid line rope is wrapped in adhesive-layer fully.
In the present embodiment, the concrete preparation method of above-mentioned infantees V band is as follows:
A, mixing: concrete compounding process is consistent with the corresponding compounding process of embodiment 1, repeats no more here;
b, moulding: put the rubber sheath through grinding on balloon, then, be wound around the fiber film formation primer layer 11 that multilayer step a obtains on sheath, in winding process in advance with after the fiber film lateral shear, splice again, make the staple fibre in fiber film be transversely arranged, then the outside surface at primer layer 11 sticks bonding film formation adhesive-layer 12, outside surface spiral at adhesive-layer 12 curls polyester rigid line rope again, make polyester rigid line rope be longitudinal arrangement in infantees V band, described longitudinal arrangement namely refers to the length direction arrangement of V band, and the winding displacement tension force that makes polyester rigid line rope is that winding displacement tension force is 0.6MPa, density is 90/100mm, at last, form cushion gum layer 14 at the outer applying breaker strip of polyester rigid line rope, get tubular band embryo after moulding, as preferably, first stick bonding film outside poly-sour rigid line rope and form adhesive-layer, then form cushion gum layer 14 at the outer applying breaker strip of adhesive-layer, get tubular band embryo after moulding,
C, cutting, infantees: adopt multi-functional cutting station to cut tubular band embryo, be cut into corresponding width according to infantees V with different models, after cutting is completed, enter the infantees operation with embryo with single after being cut into the band embryo of corresponding ladder type shape on cornering machine, the periphery (outside surface) that namely on cloth-wrapping machine, the rubber canvas bag is overlayed on embryo forms infantees layer 2, obtains V band band embryo; The concrete treatment process of described rubber canvas is: described rubber canvas is first with canvas oven dry, sends in rolling press, makes the canvas surface smear the thin glue of one deck by squeeze and obtains the rubber canvas; It is that raw material is made that described canvas adopts smart sulphur yarn and polyester-cotton blend, and the ratio of described smart sulphur yarn and polyester-cotton blend is 1:1;
D, sulfuration, demoulding: the V band that above-mentioned steps c is obtained is packed into one by one with embryo in the infantees V band mould that is combined by many wall scroll bands, is placed on and carries out the gum cover sulfuration in vulcanizing boiler.Be specially: at first apply vapor pressure in the gum cover outside, external pressure is 0.8MPa, external pressure pressurize 8 minutes, then, to applying vapor pressure in gum cover, interior pressure pressure is 0.4MPa, curing time is 30 minutes, steam discharge after sulfuration finishes, and enter cooling, after carrying out one by one demoulding, clean, check obtains finished product infantees V band, the packing warehouse-in.
Following table 2 is weight part proportionings of each composition in fiber film described in embodiment 5-8.
"-" described in following table 2 expression does not add this composition in this embodiment.
Promotor described in following table 2 embodiment 5 is accelerant CZ, acceterator TE TD and accelerant N A-22, and the amount of accelerant CZ is 1.0 weight parts, and acceterator TE TD is 1.0 weight parts, and described accelerant N A-22 is 0.1 weight part.
Promotor described in following table 2 embodiment 6 is altax and accelerant N A-22, and altax is 2.5 weight parts, and accelerant N A-22 is 0.4 weight part.
Promotor described in following table 2 embodiment 7 is the mixture of accelerant CZ, altax, acceterator TE TD and accelerant N A-22, and the amount of accelerant CZ is 0.5 weight part, altax is 1.3 weight parts, the amount of described acceterator TE TD is 0.5 weight part, and described accelerant N A-22 is 0.2 weight part.
Promotor described in following table 2 embodiment 8 is acceterator TE TD.
Staple fibre described in following examples 5 is trevira; Anti-aging agent described in embodiment 5 is antioxidant BLE-W.
Staple fibre described in following examples 6 is trevira, and the length of trevira is 5mm.
Staple fibre described in following examples 7-8 is short aramid fiber, and length is less than 5mm.
Table 2:
Embodiment 5
A kind of infantees V band, described V band comprises sandwich layer 1 and the infantees layer 2 that is coated on the sandwich layer outside surface, described sandwich layer 1 is comprised primer layer 11, adhesive-layer 12, polyester rigid line rope 13 and the cushion gum layer 14 of being made by fiber film successively by bottom to top.Described infantees layer is two-layer, and described infantees layer adopts dipped canvas, and the warp-wise density of described canvas is 36/cm, and latitudinal density is 37/cm; Described staple fibre is transversely arranged in primer layer 11, and described transversely arranged referring to arranged according to V bandwidth direction.As preferably, described polyester rigid line rope is wrapped in adhesive-layer fully.
In the present embodiment, the concrete preparation method of above-mentioned infantees V band is consistent with the method described in embodiment 2, repeats no more here.
Embodiment 6
A kind of infantees V band, described V band comprises sandwich layer 1 and the infantees layer 2 that is coated on the sandwich layer outside surface, described sandwich layer 1 is comprised primer layer 11, adhesive-layer 12, polyester rigid line rope 13 and the cushion gum layer 14 of being made by fiber film successively by bottom to top.Described infantees layer is two-layer, and described infantees layer adopts dipped canvas, and the warp-wise density of described canvas is 36/cm, and latitudinal density is 39/cm; Described staple fibre is transversely arranged in primer layer 11, and described transversely arranged referring to arranged according to V bandwidth direction.As preferably, described polyester rigid line rope is wrapped in adhesive-layer fully.
In the present embodiment, the concrete preparation method of above-mentioned infantees V band is consistent with the method described in embodiment 3, repeats no more here.
Embodiment 7
A kind of infantees V band, described V band comprises sandwich layer 1 and the infantees layer 2 that is coated on the sandwich layer outside surface, described sandwich layer 1 is comprised primer layer 11, adhesive-layer 12, polyester rigid line rope 13 and the cushion gum layer 14 of being made by fiber film successively by bottom to top.Described infantees layer is two-layer, and described infantees layer adopts dipped canvas, and the warp-wise density of described canvas is 37/cm, and latitudinal density is 39/cm; Described staple fibre is transversely arranged in primer layer 11, and described transversely arranged referring to arranged according to V bandwidth direction.As preferably, described polyester rigid line rope is wrapped in adhesive-layer fully.
In the present embodiment, the concrete preparation method of above-mentioned infantees V band is consistent with the method described in embodiment 3, repeats no more here.
Embodiment 8
A kind of infantees V band, described V band comprises sandwich layer 1 and the infantees layer 2 that is coated on sandwich layer 1 outer surface, described sandwich layer 1 is comprised primer layer 11, adhesive-layer 12, polyester rigid line rope 13 and the cushion gum layer 14 of being made by fiber film successively by bottom to top.Described infantees layer is two-layer, and described infantees layer adopts dipped canvas, and the warp-wise density of described canvas is 36/cm, and latitudinal density is 40/cm; Described staple fibre is transversely arranged in primer layer 11, and described transversely arranged referring to arranged according to V bandwidth direction.As preferably, described polyester rigid line rope is wrapped in adhesive-layer fully.
In the present embodiment, the concrete preparation method of above-mentioned infantees V band is consistent with the method described in embodiment 4, repeats no more here.
Reference examples 1
Adopt the concrete weight proportion that specifically discloses in Chinese patent (Granted publication number: 101204852B, the day for announcing: on 04 21st, 2010) for the fiber film of primer layer:
Chloroprene rubber: 80～100; Carbon black: 45～75; Styrene-butadiene rubber(SBR): 0～20;
Magnesium oxide: 3.5～7.0; Zinc oxide: 3.5～5; Promotor: NA-22:0.2～0.5; Stearic acid: 1～1.5; Short polyester fiber: 15～25; Anti-aging agent LE-W:1.5～2.0; Tenderizer: 5～10.
Adopt above-mentioned fiber film to make the corresponding primer layer of infantees V band of the present invention, directly adopting simultaneously in fiber film is longitudinal arrangement in the primer layer of short polyester fiber in infantees V band, namely consistent with the orientation of polyester rigid line rope in infantees V band, adopt the infantees V that method of the present invention is made to be with.
Choose at random the corresponding infantees V band that obtains in above-described embodiment and reference examples 1 and carry out respective performances mensuration, concrete test result is as follows:
The tensile strength performance A type of infantees V band of the present invention all can reach 3.5KN, and national standard is 3KN, has improved 14% left and right than national standard; Type B all can reach 6KN, and national standard is 5KN, has improved 17% left and right than national standard; The C type all can reach 10KN, and national standard is 9KN, has improved 10% left and right than national standard.
The infantees V band that infantees V band and the reference examples 1 that obtains in the embodiment of the present invention obtains is compared, under same working conditions, the phenomenon of transverse deformation does not appear in infantees V band of the present invention, depressed phenomenon does not appear yet, and adopt the infantees V band that reference examples 1 obtains to occur serious depressed phenomenon, and transverse deformation is serious, greatly reduces the work-ing life of product.
Specific embodiment described in the present invention is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although the present invention has been made a detailed description and has quoted as proof some specific embodiments, to those skilled in the art, only otherwise it is obvious leaving that the spirit and scope of the present invention can make various changes or revise.
Claims (10)
1. an infantees V is with, described infantees V band comprises sandwich layer (1) and is coated on the infantees layer (2) of sandwich layer outside surface, it is characterized in that, described sandwich layer (1) is comprised primer layer (11), adhesive-layer (12), polyester rigid line rope (13) and the cushion gum layer (14) of being made by fiber film successively by bottom to top, described fiber film comprises the weight part of following composition:
Natural rubber: 40～60; Carbon black: 45～70;
Styrene-butadiene rubber(SBR): 20～40; Magnesium oxide: 0～2.0;
Chloroprene rubber: 0～20; Reclaimed rubber: 20～30;
Zinc oxide: 3.5～5.0; Filler: 20～50;
Promotor: 1.5～3.0; Stearic acid: 1.0～1.5;
Staple fibre: 10～25; Anti-aging agent: 1.5～2.0;
Tenderizer: 5.0～10.
2. infantees V band according to claim 1, is characterized in that, described staple fibre is transversely arranged in primer layer (11).
3. infantees V band according to claim 2, is characterized in that, the weight part of described staple fibre is 12～24.
4. according to claim 1-3 described infantees V bands of any one, is characterized in that, described infantees layer is the canvas through knitting device, and the warp-wise density of described canvas is 36～38/cm, and latitudinal density is 37～40/cm.
5. according to claim 1-3 described infantees V bands of any one, is characterized in that, the weight part of described chloroprene rubber is 5.0～10; Described magnesian weight part is 0.5～1.5; Described promotor is selected from one or more in accelerant CZ, altax, acceterator TE TD or accelerant N A-22.
6. according to claim 1-3 described infantees V bands of any one, is characterized in that, described fiber film comprises the weight part of following composition:
Natural rubber: 45～55; Carbon black: 50～60;
Styrene-butadiene rubber(SBR): 25～35; Magnesium oxide: 0.5～1.5;
Chloroprene rubber: 15～20; Reclaimed rubber: 22～25;
Zinc oxide: 4.0～4.5; Filler: 30～40;
Promotor: 2.0～2.5; Stearic acid: 1.2～1.3;
Staple fibre: 20～24; Anti-aging agent: 1.6～1.8;
Tenderizer: 6.0～8.0.
7. the preparation method of an infantees V band, is characterized in that, the method comprises the following steps:
a, mixing: the weight ratio that adopts the composition of fiber film claimed in claim 1, first with natural rubber, styrene-butadiene rubber(SBR), chloroprene rubber and reclaimed rubber mix plasticates, then, add in proportion anti-aging agent, stearic acid, magnesium oxide, carbon black, tenderizer, staple fibre, zinc oxide, carry out mixing after filler and promotor, after mixing end, carry out discharge, slice in mill, cooling, obtain viscose, viscose is pressed into the fiber film of 0.8～2mm thickness on rolling press, after lateral shear, splice again, make the staple fibre in fiber film be transversely arranged,
B, moulding: put the rubber sheath through grinding on balloon, then, be wound around the fiber film formation primer layer that multilayer step a obtains on sheath, then the outside surface at primer layer sticks bonding film formation adhesive-layer, outside surface spiral at adhesive-layer curls polyester rigid line rope again, at last, form cushion gum layer at the outer applying breaker strip of polyester rigid line rope, get tubular band embryo after moulding;
C, cutting, infantees: tubular band embryo is cut into the band embryo of ladder type shape, then, the outside surface that on cloth-wrapping machine, canvas bag is overlayed on embryo forms the infantees layer, obtains V band band embryo;
D, sulfuration, demoulding: the V band band embryo that above-mentioned steps c is obtained vulcanizes, after demoulding, obtain finished product infantees V band.
8. the preparation method of infantees V band according to claim 7, is characterized in that, the staple fibre described in step b in primer layer is transversely arranged.
9. the preparation method of according to claim 7 or 8 described infantees V bands, is characterized in that, it is that raw material is made that the canvas described in step c adopts heckling yarn and polyester-cotton blend, and the ratio of described heckling yarn and polyester-cotton blend is 1:1.
10. the preparation method of according to claim 7 or 9 described infantees V bands, is characterized in that, canvas described in step c is dipped canvas or rubber canvas.
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