CN104803147B - 一种耐磨低滚动阻力节能钢丝绳芯输送带 - Google Patents

一种耐磨低滚动阻力节能钢丝绳芯输送带 Download PDF

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CN104803147B
CN104803147B CN201510152258.8A CN201510152258A CN104803147B CN 104803147 B CN104803147 B CN 104803147B CN 201510152258 A CN201510152258 A CN 201510152258A CN 104803147 B CN104803147 B CN 104803147B
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rolling
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赵謇
王博
高洪
张立国
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Shenyang Tai Feng Adhesive Tape Manufacturing Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G15/00Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/30Belts or like endless load-carriers
    • B65G15/32Belts or like endless load-carriers made of rubber or plastics
    • B65G15/34Belts or like endless load-carriers made of rubber or plastics with reinforcing layers, e.g. of fabric
    • B65G15/36Belts or like endless load-carriers made of rubber or plastics with reinforcing layers, e.g. of fabric the layers incorporating ropes, chains, or rolled steel sections
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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    • B32B25/10Layered products comprising a layer of natural or synthetic rubber next to a fibrous or filamentary layer
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    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
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    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/04Oxygen-containing compounds
    • C08K5/09Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • CCHEMISTRY; METALLURGY
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    • C08L7/00Compositions of natural rubber
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Abstract

一种耐磨低滚动阻力节能钢丝绳芯输送带,属于橡胶产品领域。包括上覆盖层(1)、下覆盖层(2)、输送带骨架层层(3)、织物增强层(4)。采用钢丝绳芯作为输送带骨架层,下覆盖层采用低滚动阻力耐磨橡胶制成,在下覆盖层嵌入织物增强层,下覆盖层由以下重量份成分构成,天然胶40~60份,顺丁橡胶20~30份,反式聚异戊二烯橡胶20~30份,活性剂2~4份,补强剂40~60份,软化剂4~6份,防老剂4~6份,硫化剂1~3份,促进剂1~2份,偶联剂2~5份。本发明减小钢丝绳间距,减小钢丝绳直径,使输送带应力分布均匀,下覆盖层应力变形减小;通过优化下覆盖层配方,添加低滞后损失材料,降低了橡胶的损耗因子和磨耗性能,减少阻力、节约能源。

Description

一种耐磨低滚动阻力节能钢丝绳芯输送带
技术领域
本发明涉及一种物料输送带,特别是涉及一种耐磨低滚动阻力节能钢丝绳芯输送带。
背景技术
随着装备制造业的技术进步,我国带式输送机在全球市场的占有率接近40%,为其配套的橡胶输送带也得到了高速发展。但是在矿山、港口码头等长距离、大运量、高速度的输送机用低滚动阻力节能型橡胶输送带的生产制造,在我国尚属刚刚起步;带式输送机运行中,当输送带通过托辊时,带体下覆盖层出现凹陷变形,产生了压陷阻力,造成能量损耗。在长距离水平运输系统压陷阻力占整个运行阻力的60%左右,能量损耗严重。减少压陷阻力,即滚动阻力,达到节约能量的目的。
发明内容
本发明的目的在于提供一种耐磨低滚动阻力节能钢丝绳芯输送带,该产品通过优化下覆盖层配方,添加低滞后损失材料,降低了橡胶的损耗因子和磨耗性能,有效的减少输送带运行阻力,达节约能源的目的。
本发明的目的是通过以下技术方案实现的:
一种耐磨低滚动阻力节能钢丝绳芯输送带,所述输送带包括上覆盖层、下覆盖层、输送带骨架层、织物增强层;输送带采用钢丝绳芯作为输送带骨架层,下覆盖层采用低滚动阻力耐磨橡胶制成,下覆盖层嵌入织物增强层,下覆盖层由以下重量份成分构成,天然胶40~60份,顺丁橡胶20~30份,反式聚异戊二烯橡胶20~30份,活性剂2~4份,补强剂40~60份,软化剂4~6份,防老剂4~6份,硫化剂1~3份,促进剂1~2份,偶联剂2~5份;织物增强层为聚酯帆布,宽度覆盖输送带全宽度。
所述的一种耐磨低滚动阻力节能钢丝绳芯输送带,所述活性剂为纳米氧化锌和硬脂酸比例为2:1。
所述的一种耐磨低滚动阻力节能钢丝绳芯输送带,所述补强剂为白炭黑和N115炭黑,二者比例为1:4~5。
所述的一种耐磨低滚动阻力节能钢丝绳芯输送带,所述软化剂为芳烃油。
所述的一种耐磨低滚动阻力节能钢丝绳芯输送带,所述防老剂为RD和4010NA,二者比例为1:1~2。
所述的一种耐磨低滚动阻力节能钢丝绳芯输送带,所述促进剂为促进剂DM和促进剂CZ,二者比例为0.5:1~1.5。
所述的一种耐磨低滚动阻力节能钢丝绳芯输送带,所述偶联剂为硅烷偶联剂SI-69。
所述的一种耐磨低滚动阻力节能钢丝绳芯输送带,所述钢丝绳间距为5~8mm。
所述的一种耐磨低滚动阻力节能钢丝绳芯输送带,所述钢丝绳芯直径为2.5~7.0mm。
所述的一种耐磨低滚动阻力节能钢丝绳芯输送带,所述输送带60℃损耗因子tanδ小于等于0.15。
本发明的优点与效果是:
本发明产品结构设计减小钢丝绳间距,减小钢丝绳直径,使输送带应力分布均匀,下覆盖层应力变形减小;并通过优化下覆盖层配方,添加低滞后损失材料,降低了橡胶的损耗因子和磨耗性能,有效的减少输送带运行阻力,达节约能源的目的。
附图说明
图1为耐磨低滚动阻力节能钢丝绳芯输送带结构示意图。
1是上覆盖胶 2是下覆盖层,3是钢丝绳,4是织物增强层。
具体实施方式
下面结合实施例对本发明进行详细说明。
如图所示,输送带的结构组成:1是上覆盖胶 2是下覆盖层,3是钢丝绳,4是织物增强层。
采用以下步骤制得:
混炼:以天然胶、顺丁胶和反式聚异戊二烯橡胶为主要橡胶材料,以双相炭黑为补强剂,以喹啉和对苯二胺类防老剂为防老剂,在橡胶密炼机中按照二段混炼法进行混炼,在一段胶中加入硫化剂、促进剂,制得低滚动阻力胶料。
压延工艺
将覆盖胶终炼胶合粘合芯胶放到螺杆挤出机或开炼机中热炼,然后供到压延机中进行压延出片待用。
将粘合芯胶终炼胶放到螺杆挤出机或开炼机中热炼,供到压延机中进行压延,将织物帆布施加一定的初张力后放到丝辊压延机的2#辊和3#辊中间,在辊筒压力作用下,将粘合芯胶压入织物帆布表面缝隙中。
成型工艺
盖胶胶片、胶布、芯胶胶片在成型机上通过辊筒压力紧密的贴合在一起,然后卷起停放4小时以后再进行硫化。
硫化工艺
将钢丝绳通过锭子架倒开,经过单根张力站对每根钢丝绳施以相同张力,通过分梳器将钢丝绳均匀排列到水平面上;
通过模压成型机将钢丝绳、胶片粘合在一起,成为钢丝绳芯输送带带坯,将带坯放到平板硫化机中进行分段硫化,每板硫化时间为30~50分钟,硫化压强为3.0~3.5MPa,硫化温度为152±2℃。
下面结合具体实施例进一步说明:
实施例1
将天然胶40份,顺丁橡胶30份,反式异戊二烯橡胶30份投入密炼机塑炼40秒后,加入活性剂3.5份、补强剂45份、软化剂5份、防老剂6份和2份硅烷偶联剂混炼到135℃排胶,制成一段胶,一段胶停放8小时后,投入密炼机加入硫化剂2.5份,促进剂1.5份混炼到95℃排胶,在挤出机挤出后冷却下片,得到所述耐磨低滚动阻力覆盖胶。
实施例2
将天然胶60份,顺丁橡胶20份,反式异戊二烯橡胶20份投入密炼机塑炼40秒后,加入活性剂3.5份、补强剂45份、软化剂5份、防老剂6份和2份硅烷偶联剂混炼到135℃排胶,制成一段胶,一段胶停放8小时后,投入密炼机加入硫化剂2.5份,促进剂1.5份混炼到95℃排胶,在挤出机挤出后冷却下片,得到所述耐磨低滚动阻力覆盖胶。
实施例3
将天然胶50份,顺丁橡胶20份,反式异戊二烯橡胶30份投入密炼机塑炼40秒后,加入活性剂3.5份、补强剂45份、软化剂5份、防老剂6份和2份硅烷偶联剂混炼到135℃排胶,制成一段胶,一段胶停放8小时后,投入密炼机加入硫化剂2.5份,促进剂1.5份混炼到95℃排胶,在挤出机挤出后冷却下片,得到所述耐磨低滚动阻力覆盖胶。
实施例制备出的耐磨低滚动阻力节能覆盖胶性能指标如下:
项目 单位 指标 试验结果
拉伸强度 MPa ≥20 22.0
拉断伸长率 % ≥400% 512
硬度 ShoreA 65±5 67
磨耗量 mm3 ≤120 40
粘弹性试验60℃ tanδ - ≤0.15 0.112
滚动阻力系数 60℃ RRF - ≤0.10 0.052

Claims (1)

1.一种耐磨低滚动阻力节能钢丝绳芯输送带,其特征在于,所述输送带包括上覆盖层(1)、下覆盖层(2)、输送带骨架层(3)、织物增强层(4);输送带采用钢丝绳芯作为输送带骨架层,下覆盖层采用低滚动阻力耐磨橡胶制成,下覆盖层嵌入织物增强层,下覆盖层由以下重量份成分构成,天然胶40~60份,顺丁橡胶20~30份,反式聚异戊二烯橡胶20~30份,活性剂2~4份,补强剂40~60份,软化剂4~6份,防老剂4~6份,硫化剂1~3份,促进剂1~2份,偶联剂2~5份;织物增强层为聚酯帆布,宽度覆盖输送带全宽度;
所述活性剂为纳米氧化锌和硬脂酸比例为2:1;
所述补强剂为白炭黑和N115炭黑,二者比例为1:4~5;
所述软化剂为芳烃油;
所述防老剂为RD和4010NA,二者比例为1:1~2;
所述促进剂为促进剂DM和促进剂CZ,二者比例为0.5:1~1.5;
所述偶联剂为硅烷偶联剂SI-69;
所述钢丝绳间距为5~8mm;
所述钢丝绳芯直径为2.5~7.0mm;
所述输送带60℃损耗因子tanδ小于等于0.15。
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