CN1102691A - 作为刮水器控制装置的齿轮制造方法及制成的齿轮 - Google Patents

作为刮水器控制装置的齿轮制造方法及制成的齿轮 Download PDF

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CN1102691A
CN1102691A CN94105843A CN94105843A CN1102691A CN 1102691 A CN1102691 A CN 1102691A CN 94105843 A CN94105843 A CN 94105843A CN 94105843 A CN94105843 A CN 94105843A CN 1102691 A CN1102691 A CN 1102691A
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帕斯卡尔·雷诺克斯
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Valeo Systemes dEssuyage SAS
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    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81421—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave
    • B29C66/81423—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave being concave
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Abstract

本发明是关于装有一个凸轮(5)的，尤其作为刮 水器控制装置的齿轮制造方法：首先在正面设置一个 与凸轮(5)配合的型腔(6)，再把凸轮(5)放在型腔(6) 里，然后凸轮(5)被固定安装在齿轮的正面(2)上。在 齿轮的正面(2)有型腔(6)的呈凸棱状的压边(10，11， 13)。

Description

本发明是关于装有一个凸轮的，尤其是作为刮水器控制装置的齿轮制造方法。该方法包括如下步骤：首先在正面设置一个与凸轮配合的型腔，再把凸轮放在型腔里，然后把凸轮固定联接在齿轮的正面。
大家知道，在法国FR2142627号专利中，一个齿轮上有个凸轮，但该凸轮是通过对圆盘切割旁边得到的安装脚被固定在齿轮上。那些安装脚穿过正面的表层进入槽里，一直达到背面的表层。这种制造方法需要多道机械加工和安装工序，使制造费用提高。
本发明的目的在于补救上述不足，并提出一种降低费用的制造方法。
为此，本发明特别涉及到一种齿轮的制造方法，该方法包括以下步骤：
-在齿轮正面，把型腔边预先制成凸起的压边。
-当凸轮放入型腔时，给凸起的压边上施加一个指向凸轮的径向力，使凸起的压边变形，直到压边压住凸轮为止;
压边是铸模成型的。
根据一种适当的改型，齿轮的正面是热塑材料制成的。借助一种热模具沿着径向，在压边上旋加压力，使得压边变形。
热模具最好有沟槽，沟槽的宽度与压边的宽度相适应，而沟槽的外边向凸轮的方向倾斜。
本发明同样也涉及到用上述方法安装的齿轮。这种齿轮是：在它的正面上有一个型腔的凸起的压边，这个压边至少能压住放在型腔里的凸轮的一部分周边。
凸轮相对齿轮表面的距离最好在0.20毫米与-0.05毫米之间。
正面上有一个凸起的轮毂和一个带孔的凸轮，凸轮上的孔表示在剖面图上。
根据一个特别感兴趣的改型，轮毂有一个凸起的定位凸台，凸轮为切削而成的不规则的扇面。
本发明还涉及到，根据本发明进行安装所使用的工具。该工具是一个热模具，它至少有一个截面为梯形沟槽;
-这个梯形沟槽大底边的尺寸大于压边的宽度，
-这个梯形沟槽小底边的尺寸小于压边的宽度，
-这个梯形沟槽的高度小于或等于压边的高度。
参照附图阅读下面的文字，会更好地理解本发明。这些图是：
-图1是齿轮的正视图;
-图2是压边变形之前的沿O-A线的剖面图;
-图3是压边变形后的沿O-B线的剖面图。
图1是根据已实现的发明绘制的注塑齿轮的正视图。此图表示出：一个相对平面2凸起的轮毂3，这个轮毂3周围有一个高出正面2的凸台4。
凸轮5被固定在齿轮的正面上。凸轮的形状由一个个扇面构成，各扇面的角度由与凸轮相接触的刮水器装置（没示出）需要提供的信息来决定。
凸轮是通过切削一块金属板制成的。中心孔是为了能使轮毂3和凸台4通过。中心孔的不对称保证了凸轮在齿轮正面的角定位，凸台4保证不发生错位。
正面上有一个与凸轮5配合的型腔6。这个型腔在图2和图3的剖面图中被表示出来。这个型腔有一定的高度，以便凸轮安装时与平面2的表面在同一水平面。也说是说，平面2的表面7和凸轮5延伸的平面8、9所在的平面基本上共面。这两个平面的距离在-0.05毫米到0.20毫米之间。
正面有相对凸出的压边10、11围绕着凸轮。根据剖面图2所示，有个齿轮轴和压边10和11，在没安装凸轮之前，压边的截面为长方形。离凸轮最近的压边侧面12与正面的上表面8垂直，以便安装凸轮。
凸轮5装入型腔6时，用热模具20使压边10、11变形。这种热模具20有一个沟槽14，这个沟槽是用来使压边10、11按沟槽形状压成形。
图2就示出了这样一个热模具20的剖面图。
沟槽是由最前面的斜侧外边15和与之相对的另一个斜边18限定的，两个侧边与上底边16相交形成了一个梯形。沟槽14的梯形截面的面积等于压边10的相应截面的面积。
-这个梯形沟槽大底边的尺寸大于压边10的宽度。
-梯形沟槽小底边的尺寸小于压边10的宽度。
-梯形沟槽的高度小于或等于压边10的高度。
在受到模具20加压后，压边10和11的截面在凸轮5上方形成一个梯形。它的突出部分21把凸轮5锁定在型腔的底部。
图1的例子中，在轮毂3周围有凸起的压边13，矗立在平面2平面8、9的上面。安装凸轮5之前，凸起的边17和平面2的上表面8垂直。
当凸轮5安装到型腔6里时，在图3中可以清楚地看到，凸起的压边13被压变形，就像通过嵌装来压住凸轮的内圆边19。
凸轮5的外边由压边10和11固定住，内边19由轮毂周围的压边13固定住。
本发明不限定于上面所描述的范围，专业人员当然可以做出各种各样的改型，但是不会超出本发明的范围;尤其是在数量，形状和压边的位置可以得到多种变化。

Claims (9)

1、一种齿轮的制造方法，该齿轮装有一个凸轮(5)，并特别作为刮水器控制装置的齿轮，该方法包括以下步骤：首先在正面设置一个与凸轮(5)相配合的型腔(6)，再把凸轮(5)放入型腔(6)，然后把凸轮(5)固定联接在齿轮的正面(2)上；其特征在于：首先在齿轮正面上把型腔(6)的边(10，11，13)做成凸起的压边(10，11，13)；凸轮(5)被放入型腔(6)时，给凸起的压边(10，11)施加一个指向凸轮(5)的径向力，使凸起的压边(10，11，13)变形，直到凸起的压边压住凸轮(5)的边为止。
2、根据权利要求1的方法，其特征在于：齿轮的平面（2）是热塑材料制成的;借助一种热模具（20）在压边（10，11）上施加压力，使压边（10，11，13）变形。
3、根据权利要求2的方法，其特征在于：热模具（20）有一个沟槽（14），这个沟槽（14）的宽与压边（10，11）的宽相适应，而沟槽（14）的斜边向凸轮（5）的方向倾斜。
4、一种由权利要求1所述方法制造的装有一个凸轮（5）的，尤其是作为刮水器控制装置的齿轮，该方法包括如下步骤：首先在正面（2）设置一个与凸轮（5）配合的型腔（6），再把凸轮（5）放入型腔（6），然后把凸轮（5）固定联接在齿轮的正面（2）上;其特征在于：在齿轮的正面（2）上，有型腔（6）凸起的压边（10，11，13），这些压边（10，11，13）至少能压住放在型腔（6）里的凸轮（5）的部分周边。
5、根据权利要求4的齿轮，其特征在于：压边（10，11）和凸轮（5）的外边靠紧。
6、根据权利要求4或5中任一项的齿轮，其特征在于：压边（13）和凸轮（5）的内圆边靠紧。
7、根据权利要求4的齿轮其特征在于：凸轮（5）相对于齿轮表面的距离在0.20毫米到-0.05毫米之间。
8、根据权利要求4，5或6中任一项的齿轮，其特征在于：齿轮的正面（2）有个凸起的轮毂（3），凸轮（5）为切削成的不规则的扇面，在里面有个内圆边（19）。
9、根据权利要求8的齿轮，其特征在于：轮毂有一个凸起的定位凸台（4），凸轮（5）与凸台（4）配合切削。
CN94105843A 1993-05-21 1994-05-20 刮水器控制装置的齿轮制造方法及制成的齿轮 Expired - Fee Related CN1066529C (zh)

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CN107662343A (zh) * 2016-07-27 2018-02-06 通用汽车环球科技运作有限责任公司 外部热铆接件布置

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CN105584006B (zh) * 2016-02-19 2018-01-12 浙江永明模具有限公司 聚丙烯材料注塑模具型腔预变形结构
CN112122894B (zh) * 2020-09-27 2022-03-15 中国航发中传机械有限公司 一种硬齿面内矩形花键加工用装置及加工方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107662343A (zh) * 2016-07-27 2018-02-06 通用汽车环球科技运作有限责任公司 外部热铆接件布置
CN107662343B (zh) * 2016-07-27 2020-12-18 通用汽车环球科技运作有限责任公司 外部热铆接件布置

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BR9402036A (pt) 1994-12-13
JP3579691B2 (ja) 2004-10-20
EP0625404B1 (fr) 2001-08-01
US5478621A (en) 1995-12-26
ES2160604T3 (es) 2001-11-16
EP0625404A1 (fr) 1994-11-23
FR2705265A1 (fr) 1994-11-25
JPH08261310A (ja) 1996-10-11
FR2705265B1 (fr) 1995-07-07
DE69427842D1 (de) 2001-09-06
CN1066529C (zh) 2001-05-30
DE69427842T2 (de) 2002-04-04

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