CN102272023A - 熔合金属的塑料传送带组件和制造方法 - Google Patents

熔合金属的塑料传送带组件和制造方法 Download PDF

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CN102272023A
CN102272023A CN2010800040403A CN201080004040A CN102272023A CN 102272023 A CN102272023 A CN 102272023A CN 2010800040403 A CN2010800040403 A CN 2010800040403A CN 201080004040 A CN201080004040 A CN 201080004040A CN 102272023 A CN102272023 A CN 102272023A
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metallic coating
transfer tape
tape assemble
outside face
conveyor belt
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吉尔伯特·J·麦克拉克伦
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Laitram LLC
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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
    • B65G17/00Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
    • B65G17/06Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms
    • B65G17/08Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms the surface being formed by the traction element
    • B65G17/086Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms the surface being formed by the traction element specially adapted to follow a curved path
    • 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
    • B65G17/00Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
    • B65G17/30Details; Auxiliary devices
    • B65G17/38Chains or like traction elements; Connections between traction elements and load-carriers
    • B65G17/40Chains acting as load-carriers
    • 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
    • B65G2207/00Indexing codes relating to constructional details, configuration and additional features of a handling device, e.g. Conveyors
    • B65G2207/30Modular constructions
    • 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
    • B65G2207/00Indexing codes relating to constructional details, configuration and additional features of a handling device, e.g. Conveyors
    • B65G2207/48Wear protection or indication features

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Belt Conveyors (AREA)
  • Chain Conveyers (AREA)

Abstract

涂敷金属的热塑性传送带组件和其制造方法。铰链杆,链轮,和带模块被涂有金属,以增加其刚度或者耐磨性或者提高其他性能特性。

Description

熔合金属的塑料传送带组件和制造方法
背景
本发明涉及覆盖有金属涂层的模块化塑料传送带组件。
螺旋带式传送机经常被用于缓慢地输送产品通过烤箱、检验人员、或者冷藏室。大多数螺旋传送机使用有大开放区的金属带,绕着缓慢旋转的螺旋驱动塔(drive tower)沿着螺旋状传送轨迹来运输产品。由于金属带本来就很硬,只需要几个导轨在带下支撑。在某些螺旋应用中,金属带被轻质、抗腐蚀的模块化塑料传送带所取代。在一些改进情况下,塑料带能够直接安装在现有的螺旋传送机的支撑导轨上。但是宽度上横穿模块化塑料传送带的梁刚度(beam stiffness)不如金属带的梁刚度高。固体不锈钢铰链杆经常用于增加塑料带的梁刚度。但是固体金属杆增加了带的重量,并且因为其刚度,限制了载荷只能分布在带的外侧边的前几个铰链元件上。
除了集中在螺旋带上的这些问题,模块化塑料传送带会受到铰链处和驱动表面上的磨损,其中在铰链眼和铰链销之间和链轮齿和带上的驱动表面之间会有摩擦。
概述
这些和其他缺点可以被体现本发明的特征的传送带组件所克服。这些组件包含热塑性构件,该热塑性构件适用于模块化传送带,并且含有至少部分被金属涂层覆盖的外表面。
在本发明的另一个方面,一种制造这种传送带组件的方法,包含形成具有外表面并适用于模块化传送带的热塑性构件;以及用金属涂层覆盖所述外表面的至少一部分。
附图简述
参考下述的说明,所附的权利要求,并结合附图,有助于更好地理解本发明的这些特征和方面及其优势,图中:
图1是体现本发明的特征的具有铰链杆的螺旋传送带的一部分的俯视平面图;
图2是图1铰链杆的沿线2-2取的放大的横断面;
图3是体现本发明的特征的链轮的侧视图;以及
图4是体现本发明的特征的传送带模块(conveyor belt module)的部分的斜视图。
详细描述
图1示出了体现本发明的特征的通过铰链杆所互相连接的模块化塑料传送带的一部分。适合以螺旋路径运动的带10,比如绕螺旋传送机的驱动塔运动,包含一系列在铰链关节16处用铰链杆18连接在一起的一个或多个带模块14的排12。沿着每排的前端的贯通横向间隔开的铰链元件或眼(eye)22的孔20,与沿着前排的后边的贯穿交错的铰链元件的孔对准,以形成贯穿带宽度的横向通路。接收在相邻排之间的通路中的铰链杆将带连接在一起,并允许带绕链轮铰接。在这种特殊的带中,一些或者全部的孔20在带运动方向24上被延长,来允许带的内边26在旋转的内侧处塌陷,同时外边27伸展。
带被示出成由导轨28靠近内边和外边支撑。为了限制导轨间塑料带的下垂,一些或所有的铰链杆18在其全部或大部分的长度用金属涂层30或包层增强。杆增强带的横向梁的刚度来限制下垂。在图1的螺旋带中,铰链杆的在带的外边27处的端部32没有被涂敷,以给带外边提供足够的柔韧度来分担大多数最外边的铰链元件上的带拉力。
如图2所示,铰链杆18的涂层部分包含内部的热塑性芯部34,内部的热塑性芯部34的圆形的圆柱形外表面36覆盖有均匀厚度的薄金属涂层30。所述芯部是热塑性聚合物,比如聚丙烯,聚乙烯,乙缩醛,和尼龙,由挤压或模制形成。所述金属涂层最好是熔进聚合物芯部的纳米晶金属合金(nanocrystalline metal alloy),比如镍和镍铁合金。由以下公司:DuPontEngineering Polymers of Wilmington,Delaware,Morph Technologies,Inc.,Integran Technologies,Inc.,和PowerMetal Technologies研发的MetaFuseTM纳米晶金属/聚合物混合技术是用于用金属包层涂敷热塑性材料以增加刚度的一种技术。以上和其他合适的金属涂敷的技术在2008年4月8日的名为“Article Comprising a Fine-Grained Metallic Material and a PolymericMaterial”的美国专利第7,354,354号中描述,该美国专利以引用方式并入。
图1中的带的每排也具有细的横向梁(narrow lateral beam)38,其从外边27内向到内边26在形状上是变化的,从大致正弦到逐渐尖细再到阶梯形。将梁的全部或一部分涂敷有金属涂层39增加了带的梁刚度。带的内边可以被金属37涂敷以抵制驱动塔对其的磨损。
除了铰链杆以外的传送带组件可以用相似的方法制造来达到这些和其他优点。例如,图3所示为用于模块化传送带的链轮40。链轮包含注塑成型的热塑性构件42,注塑成型的热塑性构件42的外表面的部分被金属涂层覆盖。特别的是,此链轮的驱动表面或齿43有金属涂层44,用于减少当它们运动进入和离开与带驱动表面的接触时所经历的不断摩擦造成的磨损。所示金属涂层46也用来界定贯穿链轮的中心洞48。金属涂层用来抵抗洞壁上的由轴对壁摩擦造成的磨损。因此,金属涂层可以用在会遭受与其他传送带组件摩擦接触的支承区域(bearing region)中。
金属涂层热塑性传送带组件的另一个实例是图4中的带模块50。同图3中的链轮,带模块主要由热塑性聚合物通过注塑成型过程制造。其外表面的一部分被金属涂层56所覆盖,以提供带模块的该支承区域的抗磨损,在这个实例中外表面指的是通过铰链元件54的杆孔52的圆柱壁。
虽然本发明被参考几种优选形式进行了描述,但其他形式也是可能的。例如,涂敷金属的铰链杆被示为只沿着其长度的一部分进行涂敷,但也可以沿着其整个长度进行涂敷。并且杆被示为具有圆形的横截面,但其横截面可以是卵形,矩形,或甚至为非对称的形状。一些其他的可以受益于金属涂层的传送带组件包括:链板(flight)的顶边;带模块的驱动承受面(drive-receiving surface);球式带(ball belt)中支承滚子滚球的支撑表面;辐带(radius belt),螺旋带,或倾斜带中的压紧导向物(holddown guide);滚子式带中的定轴滚子的轴。金属涂层也可以为热塑性传送带组件提供导电性,磁性,可视性或其他可探测的标记,或者美学上令人愉悦的设计。作为另一个例子,其他金属涂敷工艺,比如金属沉积,电镀,和粘接都可用于使热塑性传送带构件变硬。因此,如这几个实例所示,权利要求的范围不是意在限制详细描述的优选形式。

Claims (15)

1.一种传送带组件,包含:
热塑性构件,其具有外表面并适用于模块化传送带;
金属涂层,其覆盖所述热塑性构件的所述外表面的至少一部分。
2.如权利要求1所述的传送带组件,其中所述热塑性构件包含铰链杆,所述铰链杆在所述杆的相对端之间具有圆柱形外表面,并且其中所述金属涂层覆盖所述圆柱形外表面的至少一部分。
3.如权利要求2所述的传送带组件,其中所述金属涂层从所述铰链杆的一端向内覆盖所述圆柱形外表面。
4.如权利要求1所述的传送带组件,其中所述热塑性构件包含传送带模块,所述传送带模块具有铰链元件,所述铰链元件带有穿过其的孔,并且其中所述金属涂层覆盖所述铰链元件的所述外表面的至少一部分。
5.如权利要求4所述的传送带组件,其中所述金属涂层界定所述孔。
6.如权利要求1所述的传送带组件,其中所述热塑性构件包含具有中心梁的传送带模块,并且其中所述金属涂层覆盖所述中心梁的外表面的至少一部分。
7.如权利要求1所述的传送带组件,其中所述热塑性构件包含具有形成支承区域的侧边的传送带模块,并且其中所述金属涂层覆盖所述侧边的至少一部分。
8.如权利要求1所述的传送带组件,其中所述热塑性构件包含具有驱动表面的链轮,并且其中所述金属涂层覆盖所述驱动表面的至少一部分。
9.如权利要求1所述的传送带组件,其中所述热塑性构件包含具有中心洞的链轮,并且其中在所述链轮的外表面上的所述金属涂层界定所述洞。
10.如权利要求1所述的传送带组件,其中所述金属涂层熔合到所述热塑性构件的所述外表面。
11.如权利要求1所述的传送带组件,其中所述涂层的厚度是均匀的。
12.如权利要求1所述的传送带组件,含有当装入传送带时与其他组件摩擦接触的支承区域,其中所述支承区域包括所述金属涂层。
13.一种制造传送带组件的方法,包括:
形成具有外表面并适用于模块化传送带的热塑性构件;
用金属涂层覆盖所述外表面的至少一部分。
14.如权利要求13所述的方法,包含将所述金属涂层熔合到所述热塑性传送带构件的所述外表面。
15.如权利要求13所述的方法,其中所述热塑性传送带构件通过挤压形成。
CN2010800040403A 2009-01-12 2010-01-11 熔合金属的塑料传送带组件和制造方法 Pending CN102272023A (zh)

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Application publication date: 20111207