CN202803924U - 反弯曲橡胶模 - Google Patents

反弯曲橡胶模 Download PDF

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CN202803924U
CN202803924U CN 201220341416 CN201220341416U CN202803924U CN 202803924 U CN202803924 U CN 202803924U CN 201220341416 CN201220341416 CN 201220341416 CN 201220341416 U CN201220341416 U CN 201220341416U CN 202803924 U CN202803924 U CN 202803924U
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吕娜
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CHENGDU I-MAKE SCIENCE & TECHNOLOGY CO., LTD.
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CHENGDU JINJIE TECHNOLOGY Co Ltd
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Abstract

本实用新型公开了一种反弯曲橡胶模,涉及一种冲压模具,包括上模座、下模座和凸模,上模座上设置有模柄,凸模通过凸模座固定连接于下模座上表面,所述上模座下表面设置有容框,容框为两端开口、中空的筒体,容框外壁设置有三角形加强肋,容框的空腔内设置有橡胶模垫,橡胶模垫与上模座之间设置有成形棒;容框下表面设置有导向板;上模座下表面与橡胶模垫对应的位置开有凹槽。本实用新型可以提高弯曲零件的精度和表面质量,并且模具结构简单,制造成本低,非常方便实用。

Description

反弯曲橡胶模技术领域[0001] 本实用新型涉及一种冲压模具,尤其涉及一种反弯曲橡胶模。背景技术[0002] 弯曲零件是现代工业产品、汽车、电器、仪表和工具制造中数量最多的冲压零件之一。弯曲零件大部分是采用弯曲模来进行加工的,现有的弯曲模包括凸模和凹模,凸模在压力机的带动下下行,工件在凸模和凹模的共同作用下完成弯曲成型,为了提高弯曲零件的精度和表面质量,就必须添加顶板或弹顶器等结构,并且要提高凸模和凹模的精度,这样使模具结构复杂,制造成本高。发明内容[0003] 针对上述现有技术存在的问题,本实用新型提供了一种反弯曲橡胶模,可以提高弯曲零件的精度和表面质量,并且模具结构简单,制造成本低,非常方便实用。[0004] 本实用新型的技术方案是:一种反弯曲橡胶模,包括上模座、下模座和凸模,上模座上设置有模柄,凸模通过凸模座固定连接于下模座上表面,所述上模座下表面设置有容框,容框为两端开口、中空的筒体,容框外壁设置有三角形加强肋,容框的空腔内设置有橡胶模垫,橡胶模垫与上模座之间设置有成形棒;容框下表面设置有导向板;上模座下表面与橡胶模垫对应的位置开有凹槽。[0005] 作为优选,上模座和下模座均采用Q235钢板制成,模柄采用45钢制成,所述橡胶模垫采用聚氨酯橡胶制成,橡胶模垫的下表面与容框下表面齐平。[0006] 作为优选,凸模上设置有定位板,定位板上设置有定位销,凸模上表面开有与定位销匹配的孔,定位板通过定位销与凸模可拆卸连接。[0007] 本实用新型的有益效果是:本实用新型采用容框和设置在容框内的橡胶模垫代替了传统弯曲模的凹模,聚氨酯橡胶是一种弹性体,在弯曲过程中,容框内处于封闭状态,因而橡胶模垫受力后具有液态的静压性,即橡胶模垫各方向所受的单位压力相等。当压力机滑块下行带动模柄向下,橡胶模垫受到凸模和成形棒的压力,迫使工件沿凸模外轮廓周边发生弯曲。在整个弯曲过程中,弯曲压力均匀,减少了回弹,提高了产品精度。并且工件始终处于平整状态,提高了产品的表面质量。不需要另外设置顶板或者弹顶器,也不需要对凸模进行精加工,模具结构简单,制造成本低。上模座和下模座采用Q235钢板制成,综合性能好,使用寿命长,非常方便实用。附图说明[0008] 图I是本实用新型的工作状态示意图。具体实施方式[0009] 作为本实用新型的一种实施方式,如图I所示,一种反弯曲橡胶模,包括上模座5、下模座13和凸模2,上模座5上设置有模柄7,在本实施例中,作为优选,上模座5和下模座 13均采用Q235钢板制成,综合性能好,使用寿命长。模柄7采用45钢制成。凸模2通过凸模座12固定连接于下模座13上表面,所述上模座5下表面设置有容框4,容框4为两端开口、中空的筒体,容框4外壁设置有三角形加强肋11,本实施例中,容框4两侧分别设置有三角形加强肋11,三角形加强肋11上端与上模座5下表面焊接,侧壁与容框4侧壁焊接。容框4的空腔内设置有橡胶模垫9,橡胶模垫9与上模座5之间设置有成形棒8,在本实施例中,作为优选,所述成形棒8为两根,靠近容框4的内壁左右对称设置,成形棒8可以增加弯曲时的压力。容框4下表面设置有导向板1,导向板I可以在弯曲时起到导向的作用,因此可以不设置导柱,节约材料,加工方便。上模座5下表面与橡胶模垫9对应的位置开有凹槽 6,凹槽6的宽度小于橡胶模垫9的宽度。[0010] 在本实施例中,作为优选,所述橡胶模垫9采用聚氨酯橡胶制成,橡胶模垫9的下表面与容框4下表面齐平。凸模2上设置有定位板3,定位板3上设置有定位销10,凸模2 上表面开有与定位销10匹配的孔,定位板3通过定位销10与凸模2可拆卸连接。[0011] 在本实施例中,作为优选,凸模座12上表面开有一横截面为倒梯形的通槽,凸模2 安装于通槽底面,倒梯形的通槽的侧壁与竖直面的夹角为15°〜30°。采用这样的结构加大了橡胶模垫9对弯曲零件的侧向压力,进一步提高了工件的精度。[0012] 以上所述仅为本实用新型的一种实施例,并不用以限制本实用新型,凡在本实用新型的精神和原则之内所作的任何修改、等同替换和明显变形方式等,均应包含在本实用新型的保护范围之内。

Claims (3)

1. 一种反弯曲橡胶模,包括上模座、下模座和凸模,上模座上设置有模柄,其特征在于:凸模通过凸模座固定连接于下模座上表面,所述上模座下表面设置有容框,容框为两端开口、中空的筒体,容框外壁设置有三角形加强肋,容框的空腔内设置有橡胶模垫,橡胶模垫与上模座之间设置有成形棒;容框下表面设置有导向板;上模座下表面与橡胶模垫对应的位置开有凹槽。
2.根据权利要求I所述的反弯曲橡胶模,其特征在于:上模座和下模座均采用Q235钢板制成,模柄采用45钢制成,所述橡胶模垫采用聚氨酯橡胶制成,橡胶模垫的下表面与容框下表面齐平。
3.根据权利要求I或2所述的反弯曲橡胶模,其特征在于:凸模上设置有定位板,定位板上设置有定位销,凸模上表面开有与定位销匹配的孔,定位板通过定位销与凸模可拆卸连接。
CN 201220341416 2012-07-16 2012-07-16 反弯曲橡胶模 Expired - Fee Related CN202803924U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109622764A (zh) * 2018-11-16 2019-04-16 中国航发西安动力控制科技有限公司 齿形弹簧圈成形模具及成形方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109622764A (zh) * 2018-11-16 2019-04-16 中国航发西安动力控制科技有限公司 齿形弹簧圈成形模具及成形方法

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