CN105479766A - 高强度同步带驱动轮的加工方法及同步带驱动轮 - Google Patents

高强度同步带驱动轮的加工方法及同步带驱动轮 Download PDF

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CN105479766A
CN105479766A CN201511024072.0A CN201511024072A CN105479766A CN 105479766 A CN105479766 A CN 105479766A CN 201511024072 A CN201511024072 A CN 201511024072A CN 105479766 A CN105479766 A CN 105479766A
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wheel
belt driving
driving wheel
joint pin
timing belt
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CN105479766B (zh
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袁宇锋
唐骏
朱斌
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NINGBO YINZHOU AOLIXUN ELEVATOR COMPONENTS Co.,Ltd.
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Zhejiang Aolixun Elevator Parts Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C69/00Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
    • B29C69/02Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore of moulding techniques only
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/76Measuring, controlling or regulating
    • B29C45/77Measuring, controlling or regulating of velocity or pressure of moulding material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/76Measuring, controlling or regulating
    • B29C45/78Measuring, controlling or regulating of temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/90Measuring or controlling the joining process
    • B29C66/94Measuring or controlling the joining process by measuring or controlling the time
    • B29C66/944Measuring or controlling the joining process by measuring or controlling the time by controlling or regulating the time
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/04Driving gear ; Details thereof, e.g. seals
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H55/00Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/32Friction members
    • F16H55/36Pulleys
    • F16H55/38Means or measures for increasing adhesion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32Component parts, details or accessories; Auxiliary operations
    • B29C43/58Measuring, controlling or regulating
    • B29C2043/5816Measuring, controlling or regulating temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76Measuring, controlling or regulating
    • B29C2945/76494Controlled parameter
    • B29C2945/76498Pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76Measuring, controlling or regulating
    • B29C2945/76494Controlled parameter
    • B29C2945/76531Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76Measuring, controlling or regulating
    • B29C2945/76494Controlled parameter
    • B29C2945/76551Time
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76Measuring, controlling or regulating
    • B29C2945/76494Controlled parameter
    • B29C2945/76595Velocity

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  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

<b>本发明公开了高强度同步带驱动轮的加工方法及同步带驱动轮,该方法是通过注塑成型的方法形成轮体和轮盖,并在轮体两侧注塑出挡边和连接柱,在轮盖上预留通孔;然后采用超声波焊接机将轮体和轮盖进行超声波焊接;最后通过热压将连接柱上高轮盖的部分融化后压平,得成品。依据该方法加工的同步带驱动轮,它包括轮体(1),轮体(1)的两侧分别设置有挡边(2)和连接柱(3);轮体(1)一侧通过连接柱(3)连接有轮盖(4),轮盖(4)上对应连接柱(3)的位置处设有通孔(5)。本发明不仅能够降低成本和能耗,方便加工,还具有连接强度高的优点。</b>

Description

高强度同步带驱动轮的加工方法及同步带驱动轮
技术领域
本发明涉及一种同步带驱动轮的加工方法及同步带驱动轮,特别是一种高强度同步带驱动轮的加工方法及同步带驱动轮。
背景技术
现有的电梯中使用的同步带驱动轮一般采用金属材料,通过浇注成型来加工轮盖和轮体,再通过压铆将轮盖和轮体连接在一起。但是,这种同步带驱动轮的成本较高、能耗较大,而且轮盖和轮体之间的连接强度较低。因此,现有的同步带驱动轮加工方法及同步带驱动轮存在着成本较高、能耗较大和连接强度较低的问题。
发明内容
本发明的目的在于,提供一种高强度同步带驱动轮的加工方法及同步带驱动轮。本发明不仅能够降低成本和能耗,还具有连接强度高的优点。
本发明的技术方案:高强度同步带驱动轮的加工方法,包括以下步骤:
a、通过注塑成型轮体,在轮体的两侧分别注塑出挡边和若干均匀分布的连接柱,得A品;
b、通过注塑成型轮盖,注塑时在轮盖上对应连接柱的位置预留通孔,得B品;
c、将B品安装在A品侧面,通过通孔和连接柱进行定位,再放入超声波焊接的模具中,然后采用超声波焊接机进行超声波焊接,使B品与A品连接,得C品;
d、采用热压装置对C品上的连接柱进行热压,使连接柱上高出B品的部分融化后压平,形成限位面,得成品。
前述的高强度同步带驱动轮的加工方法中,所述步骤a中的注塑成型的注射压力为60~85Mpa,注射速度为20~40mm/s,注射温度为285~310℃,注射完成后保压1.7~3.5s,保压的压力为30~50Mpa。
前述的高强度同步带驱动轮的加工方法中,所述步骤b中的注塑成型的注射压力为40~70Mpa,注射速度为20~30mm/s,注射温度为285~310℃,注射完成后保压1.5~2.3s,保压的压力为20~40Mpa。
前述的高强度同步带驱动轮的加工方法中,所述步骤c中的超声波焊接的延迟时间为55~65s,焊接时间为15~25s,硬化时间为25~35s,使轮盖和轮体的交界面处产生局部高温而融化连接,再进过硬化使融化的部分凝固成型,使焊接强度接近于原材料的本体强度,提高连接强度。
前述的高强度同步带驱动轮的加工方法中,其特征在于:所述步骤d中的热压装置上的加热圈的温度为190℃~210℃,能够同时对全部连接柱进行快速热压,提高了加工效率。
依据前述的高强度同步带驱动轮的加工方法所加工的同步带驱动轮,包括轮体,轮体的两侧分别设置有挡边和连接柱;轮体一侧通过连接柱连接有轮盖,轮盖上对应连接柱的位置处设有通孔。
前述的同步带驱动轮中,所述轮体的圆周上设有均匀分布的轮齿,连接柱位于每个轮齿的侧面。
前述的同步带驱动轮中,所述轮体上设有连接轮盖内侧的止口,止口的深度大于连接柱的高度,能够对轮盖进行限位,方便加工并提高加工后的连接强度。
前述的同步带驱动轮中,所述连接柱的顶端部设有限位面,限位面与轮盖的侧面连接,且限位面的直径大于连接柱的直径;限位面配合轮体、止口,能够从轮盖的两侧及内侧对轮盖进行限位和连接,进一步提高了轮盖和轮体的连接强度。
与现有技术相比,本发明改进了同步带轮的加工方法及同步带轮的结构,通过注塑成型的方法将塑料或尼龙注塑成轮体和轮盖,并在轮体上注塑出挡边和连接柱,在轮盖上预留通孔,不仅降低了成本和能耗,还能够方便轮盖和轮体连接时的定位,方便了后续加工;再然后采用超声波焊接机将轮体和轮盖进行超声波焊接,使连接强度接近于原材料的本体强度,大大提高了轮盖和轮体之间的连接强度;最后通过热压将连接柱上高出轮盖的部分融化后压平,形成限位面,构成类似与金属压铆的结构,进一步提高了轮盖和轮体之间的连接强度。同时,本发明还设置了止口,且止口深度大于连接柱的高度,能够对轮盖进行限位并确保限位效果,进一步方便了加工,提高了加工后的连接强度。因此,本发明不仅能够降低成本和能耗,方便加工,还具有连接强度高的优点。
附图说明
图1是本发明的结构示意图;
图2是本发明的剖视图;
图3是本发明轮体的剖视图;
图4是本发明轮盖的结构示意图。
附图中的标记为:1-轮体,2-挡边,3-连接柱,4-轮盖,5-通孔,6-轮齿,7-止口,8-限位面。
具体实施方式
下面结合实施例对本发明作进一步的说明,但并不作为对本发明限制的依据。
实施例。高强度同步带驱动轮的加工方法,如图1至4所示,包括以下步骤:
a、通过注塑成型轮体1,在轮体1的两侧分别注塑出挡边2和若干均匀分布的连接柱3,得A品;
b、通过注塑成型轮盖4,注塑时在轮盖4上对应连接柱3的位置预留通孔5,得B品;
c、将B品安装在A品侧面,通过通孔5和连接柱3进行定位,再放入超声波焊接的模具中,然后采用超声波焊接机进行超声波焊接,使B品与A品连接,得C品;
d、采用热压装置对C品上的连接柱3进行热压,使连接柱3上高出B品的部分融化后压平,形成限位面8,得成品。
所述步骤a中的注塑成型的注射压力为60~85Mpa,注射速度为20~40mm/s,注射温度为285~310℃,注射完成后保压1.7~3.5s,保压的压力为30~50Mpa;所述步骤b中的注塑成型的注射压力为40~70Mpa,注射速度为20~30mm/s,注射温度为285~310℃,注射完成后保压1.7~2.3s,保压的压力为20~40Mpa;所述步骤c中的超声波焊接的延迟时间为55~65s,焊接时间为15~25s,硬化时间为25~35s;从而提高轮体1、轮盖4的结构强度及两者之间的连接强度。所述步骤d中的热压装置上的加热圈的温度为190℃~210℃(带加热圈的热压装置为市售的注塑机中常用的电热电偶),能够同时对全部连接柱3进行快速热压,提高了加工效率。
依据前述的高强度同步带驱动轮的加工方法所加工的同步带驱动轮,结构如图1、2、3、4所示,包括轮体1,轮体1的两侧分别设置有挡边2和连接柱3;轮体1一侧通过连接柱3连接有轮盖4,轮盖4上对应连接柱3的位置处设有通孔5。
所述轮体1的圆周上设有均匀分布的轮齿6,连接柱3位于每个轮齿6的侧面。所述轮体1上设有连接轮盖4内侧的止口7,止口7的深度大于连接柱3的高度,能够对轮盖进行限位,不仅方便加工,还能够提高加工后的连接强度。所述连接柱3的顶端部设有限位面8,限位面8与轮盖4的侧面连接,且限位面8的直径大于连接柱3的直径。
本发明采用了超声波焊接,能够使轮盖4和轮体1的交界面处产生局部高温而融化连接,再进过硬化使融化的部分凝固成型,使焊接强度接近于原材料的本体强度,最大限度地提高了连接强度;再通过热压使连接柱3上高出轮盖4的部分融化后压平,形成限位面8,配合轮体1,能够从两侧固定轮盖4,进一步提高了轮盖4和轮体1之间的连接强度。

Claims (9)

1.高强度同步带驱动轮的加工方法,其特征在于,包括以下步骤:
a、通过注塑成型轮体,在轮体的两侧分别注塑出挡边和若干均匀分布的连接柱,得A品;
b、通过注塑成型轮盖,注塑时在轮盖上对应连接柱的位置预留通孔,得B品;
c、将B品安装在A品侧面,通过通孔和连接柱进行定位,再放入超声波焊接的模具中,然后采用超声波焊接机进行超声波焊接,使B品与A品连接,得C品;
d、采用热压装置对C品上的连接柱进行热压,使连接柱上高出B品的部分融化后压平,得成品。
2.根据权利要求1所述的高强度同步带驱动轮的加工方法,其特征在于:所述步骤a中的注塑成型的注射压力为60~85Mpa,注射速度为20~40mm/s,注射温度为285~310℃,注射完成后保压1.7~3.5s,保压的压力为30~50Mpa。
3.根据权利要求1所述的高强度同步带驱动轮的加工方法,其特征在于:所述步骤b中的注塑成型的注射压力为40~70Mpa,注射速度为20~30mm/s,注射温度为285~310℃,注射完成后保压1.5~2.3s,保压的压力为20~40Mpa。
4.根据权利要求1所述的高强度同步带驱动轮的加工方法,其特征在于:所述步骤c中的超声波焊接的延迟时间为55~65s,焊接时间为15~25s,硬化时间为25~35s。
5.根据权利要求1、2、3或4所述的高强度同步带驱动轮的加工方法,其特征在于:所述步骤d中的热压装置上的加热圈的温度为190℃~210℃。
6.依据权利要求1至5中任一权利要求所述的高强度同步带驱动轮的加工方法所加工的同步带驱动轮,其特征在于:包括轮体(1),轮体(1)的两侧分别设置有挡边(2)和连接柱(3);轮体(1)一侧通过连接柱(3)连接有轮盖(4),轮盖(4)上对应连接柱(3)的位置处设有通孔(5)。
7.根据权利要求6所述的同步带驱动轮,其特征在于:所述轮体(1)的圆周上设有均匀分布的轮齿(6),连接柱(3)位于每个轮齿(6)的侧面。
8.根据权利要求6所述的同步带驱动轮,其特征在于:所述轮体(1)上设有连接轮盖(4)内侧的止口(7),止口(7)的深度大于连接柱(3)的高度。
9.根据权利要求6、7或8所述的同步带驱动轮,其特征在于:所述连接柱(3)的顶端部设有限位面(8),限位面(8)与轮盖(4)的侧面连接,且限位面(8)的直径大于连接柱(3)的直径。
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