A kind of high-performance electricity-saving tengential belt
Technical field
The utility model relates to a kind of high-performance electricity-saving tengential belt, belongs to tengential belt technical field.
Background technology
International, domestic textile machine is along with the raising of technology, rotation frame rotating speed generally all rises to per minute 80,000 and to turn left the right side, reach as high as 150,000 revs/min, control gap is very little, greatly improve the technical requirement to transmission tengential belt, to the material of tengential belt, processing technology, the requirement of antistatic behaviour, percentage elongation and flatness is also very strict.The tengential belt product of current Switzerland Haber Si spy is still in occupation of the All Around The World market of high-end tengential belt, and China is weaving big country, when the outer economic situation downstream pressure of Present Domestic is large, how to use energy-efficient accessory, reduce production cost, improve the market competitiveness, become the task of top priority.
Chinese patent document CN104139947A (application number: 201410307138.6) disclose a kind of Joint-free tangential belt and preparation method thereof, described tengential belt comprises base band and cover layer, described base band is integrated closed circulus, comprise pulling force layer and layer of cloth, layer of cloth is fitted on the surfaces externally and internally of pulling force layer; Described cover layer is abrasive rubber layer, is fitted on the layer of cloth of base band surfaces externally and internally; The preparation process of described tengential belt is: (1) raw material prepare, (2) pulling force layer non junction is shaping, and (3) non junction base band is shaping, (4) non junction cover layer laminating sulfuration, (5) grinding, (6) are cleared up.But this tengential belt antistatic behaviour, percentage elongation, TENSILE STRENGTH and anti-wear performance all have much room for improvement.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of high-performance electricity-saving tengential belt.
The technical solution of the utility model is as follows:
A kind of high-performance electricity-saving tengential belt, comprise frictional layer, antistatic layer and casing play, described antistatic layer is bonded in the both sides of described casing play, and described frictional layer bonds with the antistatic layer of casing play both sides respectively;
Described casing play comprises powerful layer of cloth and nylon6 chips basic unit, and described powerful layer of cloth is bonded in the both sides of described nylon6 chips basic unit respectively.
According to the utility model, preferably, described frictional layer is carboxy terminated nitrile rubber layer;
Preferably, the thickness of described frictional layer is 0.25-0.35mm, further preferred 0.29mm.
According to the utility model, preferably, described antistatic layer comprises carbon black, further preferred superconductive carbon black;
Preferably, the thickness of described antistatic layer is 0.03mm-0.08mm, further preferred 0.05mm.
According to the utility model, preferably, described powerful layer of cloth obtains with aramid line and nylon wire mixed textile; Further
Preferably, described mixed textile mode is: the warp-wise of powerful layer of cloth is Fanglun l414, and broadwise is nylon 6.
According to the utility model, preferably, the thickness of described powerful layer of cloth is 0.3-0.8mm, further preferred 0.5mm.
According to the utility model, preferably, the thickness of described nylon6 chips basic unit is 0.5-1mm, further preferred 0.8mm.
According to the utility model, the preparation method of above-mentioned high-performance electricity-saving tengential belt, comprises step as follows:
(1) by carbon black and carboxyl nitrile rubber mixing, then add butanone solvent mediate obtain the rubber cement that viscosity is 45000-55000CPS, by rubber cement and adhesive 1:(1-2) mass ratio mix, kneading is even, obtains antistatic rubber cement;
(2) by carboxyl nitrile rubber through banbury banburying, banburying temperature 90-110 DEG C, banburying time 10-15min, banburying pressure 4-6MPa, and then adding colouring agent and promoter through mill, obtained mixing of rubber, mixing of rubber extrudes carboxyl nitrile rubber sheet through calender;
Antistatic rubber cement is evenly coated in the side of powerful layer of cloth, then carboxyl nitrile rubber sheet is affixed on the side of the powerful layer of cloth being coated with antistatic rubber cement, obtains rubberizing strength cloth;
(3) by rubberizing strength cloth through drum vulcanizer sulfuration, curing temperature is 160-170 DEG C, and cure time is 15-20min, and sulfide stress is 11-13MPa, obtains rubberizing sulfuration cloth;
(4) by the side application of adhesive of powerful layer of cloth in rubberizing sulfuration cloth, in 70-75 DEG C of oven dry; By even for the both sides of nylon base application of adhesive, in 70-75 DEG C of oven dry;
(5) by the rubberizing sulfuration cloth of application of adhesive in step (4) and nylon6 chips through sheet combining machine compound, combined temp 110-130 DEG C, composite pressure 110-130bar, recombination time 10-20min; Make rubberizing sulfuration cloth lay respectively at the both sides of nylon base, to obtain final product.
According to the utility model, the carbon black described in step (1) is superconductive carbon black.Carbon black can increase substantially the antistatic behaviour of tengential belt, makes electric conductivity reach 3*10
8ohm, antistatic performance is splendid.In step (2), banburying adopts three sections of banburyings and puies forward the banburying mode of stone roller for twice, and dump temperature is 70 DEG C; The temperature 65-70 DEG C of antistatic rubber cement coating.Step (2) strictly grasps banburying time and dump temperature, strengthens the TENSILE STRENGTH of banburying rubber, stress at definite elongation, tear resistance and anti-wear performance.In step (2), carboxyl nitrile rubber sheet is fitted in the side of the powerful layer of cloth being coated with antistatic rubber cement, laminating error≤10m μ, laminating process considerably reduces the thickness error of carboxyl nitrile rubber, the effective guarantee uniformity of tengential belt entirety, improve coefficient of friction, the energy consumption of effective reduction belt body running, and solve the problem of tengential belt surface abrasion resistance, easily be full of cracks.In step (4), adhesive is coated in the both sides of nylon base, enhances the peel strength of tengential belt; Through the sulfidation of step (3), effectively solve the thermal deformation problem of tengential belt.
The THICKNESS CONTROL of the whole belt body of high-performance electricity-saving tengential belt of the present utility model is at 2.4mm ± 0.03mm, band body weight every square metre 2.2kg, under unit width, 1% to determine extending force be 17.6N/mm, coefficient of friction 0.72, operating temperature range bears 20-100 DEG C, antistaticly reaches 3*10
8ohm, solves the problem of tengential belt surface abrasion resistance, easily be full of cracks; Make that belt body is frivolous, TENSILE STRENGTH is high, ageing-resistant, remarkable reduction electric energy consumption, energy-saving effect is given prominence to.The production cost of effective reduction textile industry, improves yarn quality.
The utility model is specified otherwise, is this area routine operation.
Technical characterstic of the present utility model and beneficial effect as follows:
1, the utility model is through great many of experiments, adopts the strength cloth of aramid line and nylon wire mixed textile, and carries out compound as casing play with high-modulus nylon6 chips, make the percentage elongation of tengential belt control within 2%, solve the problem that the percentage elongation of tengential belt is large.
2, belt body two sides have selected carboxy terminated nitrile rubber as friction layer, carboxy terminated nitrile rubber has the ozone resistance of neoprene and the oil resistivity of acrylonitrile-butadiene rubber, there are high TENSILE STRENGTH, stress at definite elongation, tear resistance and anti-wear performance, the performances such as ageing-resistant, oil resistant, the high-low temperature resistant of tengential belt can be significantly improved, solve the problem of tengential belt surface abrasion resistance, easily be full of cracks.
3, select superconductive carbon black as antistatic backing, make belt body surface specific resistance reach 3*10
8ohm, antistatic performance is splendid, has stopped the danger brought by electrostatic.
4, the thickness error of belt body is considerably reduced, effectively solve the problem of thermal deformation, make that belt body is frivolous, antistatic property good, coefficient of friction is large, TENSILE STRENGTH is high, can adapt to running up of textile machine completely, and remarkable reduction electric energy consumption, energy-saving effect is given prominence to.
Accompanying drawing explanation
Fig. 1 is the agent structure schematic diagram of the utility model high-performance electricity-saving tengential belt.
Fig. 2 is the profile in the utility model high-performance electricity-saving tengential belt A-A direction.
Wherein, 1, frictional layer, 2, antistatic layer, 3, casing play, 4, powerful layer of cloth, 5, nylon6 chips basic unit.
Detailed description of the invention
Also by reference to the accompanying drawings the utility model is described further below by specific embodiment, but is not limited thereto.
Raw materials usedly in embodiment be conventional commercial products, device therefor is conventional equipment.
Embodiment 1
A kind of high-performance electricity-saving tengential belt, comprise frictional layer 1, antistatic layer 2 and casing play 3, described antistatic layer 2 is bonded in the both sides of described casing play 3, and described frictional layer 1 bonds with the antistatic layer 2 of casing play 3 both sides respectively;
Described casing play 3 comprises powerful layer of cloth 4 and nylon6 chips basic unit 5, and described powerful layer of cloth 4 is bonded in the both sides of described nylon6 chips basic unit 5 respectively.
In the present embodiment, described antistatic layer 2 is silica aerogel layer, and the thickness of described antistatic layer 2 is 0.05mm, and described frictional layer 1 is carboxy terminated nitrile rubber layer, and the thickness of described frictional layer 1 is 0.29mm;
Described powerful layer of cloth 4 obtains with aramid line and nylon wire mixed textile, and described mixed textile mode is: warp-wise is Fanglun l414, and broadwise is nylon 6, and the thickness of described powerful layer of cloth 4 is 0.5mm, and the thickness of described nylon6 chips basic unit 5 is 0.8mm.
The preparation method of the high-performance electricity-saving tengential belt of the present embodiment, comprises step as follows:
(1) by Aksu XC-72 superconductive carbon black and carboxyl nitrile rubber mixing, melting temperature 100 DEG C, mixing time 10min, mixing pressure 5MPa, then add butanone solvent kneading and obtain the rubber cement that viscosity is 50000CPS, mix with adhesive 1:1.5 mass ratio by rubber cement, mediate evenly, obtain antistatic rubber cement;
(2) by carboxyl nitrile rubber through banbury banburying, banburying temperature 100 DEG C, banburying time 10min, banburying pressure 5MPa, banburying adopts three sections of banburyings and puies forward the banburying mode of stone roller for twice, and dump temperature is 70 DEG C; And then adding colouring agent and promoter through mill, obtained mixing of rubber, mixing of rubber extrudes carboxyl nitrile rubber sheet through calender;
Antistatic rubber cement is evenly coated in the side of powerful layer of cloth 4, the temperature 65 DEG C of antistatic rubber cement coating, is then affixed on the side of the powerful layer of cloth 4 being coated with antistatic rubber cement, obtains rubberizing strength cloth by carboxyl nitrile rubber sheet;
(3) by rubberizing strength cloth through drum vulcanizer sulfuration, curing temperature is 160 DEG C, and cure time is 15min, and sulfide stress is 12MPa, obtains rubberizing sulfuration cloth;
(4) by the side application of adhesive of layer of cloth 4 powerful in rubberizing sulfuration cloth, in 70 DEG C of oven dry; By even for the both sides of nylon base application of adhesive, in 70 DEG C of oven dry;
(5) by the rubberizing sulfuration cloth of application of adhesive in step (4) and nylon6 chips through sheet combining machine compound, combined temp 120 DEG C, composite pressure 120bar, recombination time 15min; Make rubberizing sulfuration cloth lay respectively at the both sides of nylon base, to obtain final product.
Embodiment 2
High-performance electricity-saving tengential belt as described in Example 1, unlike:
Described antistatic layer 2 is Aksu XC-72 superconductive carbon black layer, the thickness of described antistatic layer 2 is 0.03mm, the thickness of described frictional layer 1 is 0.25mm, and the thickness of described powerful layer of cloth 4 is 0.3mm, and the thickness of described nylon6 chips basic unit 5 is 0.5mm.
Embodiment 3
High-performance electricity-saving tengential belt as described in Example 1, unlike:
Described antistatic layer 2 is Aksu XC-72 superconductive carbon black layer, and the thickness of described antistatic layer 2 is 0.08mm, and the thickness of described frictional layer 1 is 0.35mm, and the thickness of described powerful layer of cloth 4 is 0.8mm, and the thickness of described nylon6 chips basic unit 5 is 1mm.
Experimental example
By the high-performance electricity-saving tengential belt of embodiment 1-3 test correlated performance and result as shown in table 1:
Table 1
As shown in Table 1, high-performance electricity-saving tengential belt tool of the present utility model has the following advantages: high elastic modulus, flexility is good, and percentage elongation controls within 2%, reduces power consumption, reduce different spindle speed to greatest extent, the guidance quality of belt is good, reduces dancing, and yarn qualities is stablized, driven unit increases service life, thus reduces the energy and maintenance cost.