CN105382065B - 一种弯管夹具 - Google Patents

一种弯管夹具 Download PDF

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CN105382065B
CN105382065B CN201510975116.1A CN201510975116A CN105382065B CN 105382065 B CN105382065 B CN 105382065B CN 201510975116 A CN201510975116 A CN 201510975116A CN 105382065 B CN105382065 B CN 105382065B
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CN105382065A (zh
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杨绍荣
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Jiangsu Chengcasting Machinery Technology Co., Ltd.
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Jinhua Polytechnic
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D11/00Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/22Auxiliary equipment, e.g. positioning devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D11/00Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/06Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

本发明涉及机械制造加工领域,特指一种用于将铜管、铝管、薄壁钢管等管子弯曲成规则的螺旋线形状的一种弯管夹具,主要由螺母,端板,双头螺栓I,夹具体I,夹具体II,芯轴,夹具体IV,双头螺栓II和夹具体III构成。本发明构思巧妙,结构合理,操作简便,能将铜管、铝管、薄壁钢管等管子弯曲成规则的螺旋线形状。

Description

一种弯管夹具
技术领域
本发明涉及机械制造加工领域,特指一种用于将铜管、铝管、薄壁钢管等管子弯曲成规则的螺旋线形状的一种弯管夹具。
背景技术
在机械制造加工领域经常需要将铜管、铝管、薄壁钢管等管子弯曲成螺旋线形状。然而,如果没有合适的夹具就不太容易将铜管、铝管、薄壁钢管等管子弯曲成符合要求的螺旋线形状,甚至会发生管子压扁、变形、扭曲、形状不规则、压裂等缺陷。
发明内容
为了解决上述问题,本发明提供一种弯管夹具。
本发明所采用的技术方案是:
所述一种弯管夹具主要由螺母,端板,双头螺栓I,夹具体I,夹具体II,芯轴,夹具体IV,双头螺栓II和夹具体III构成。所述双头螺栓I的两头分别是左旋螺纹I和右旋螺纹I。所述双头螺栓II的两头分别是左旋螺纹II和右旋螺纹II。所述夹具体I有左旋螺孔I、面I,所述夹具体III有右旋螺孔I、面II,所述夹具体II有左旋螺孔II,所述夹具体IV有右旋螺孔II。所述双头螺栓I的所述左旋螺纹I与所述夹具体I的所述左旋螺孔I配合,所述双头螺栓I的所述右旋螺纹I与所述夹具体III的所述右旋螺孔I配合,所述双头螺栓II的所述左旋螺纹II与所述夹具体II的所述左旋螺孔II配合,所述双头螺栓II的所述右旋螺纹II与所述夹具体IV的所述右旋螺孔II配合。所述端板有切口圆孔、面III、面IV和通孔I,所述通孔I的形状为矩形半圆通孔。所述面I、所述面II、所述面III和所述面IV的弧面半径相同。所述面III和所述面IV关于所述切口圆孔对称分布。所述芯轴有切口圆柱、通孔II和通孔III。所述切口圆孔与所述切口圆柱配合。所述通孔I的半圆半径大于所述双头螺栓I的螺纹大径的一半。所述通孔II的直径大于所述双头螺栓I的螺纹大径。所述通孔III的直径大于所述双头螺栓II的螺纹大径。
本发明的有益效果是:
本发明构思巧妙,结构合理,操作简便,能将铜管、铝管、薄壁钢管等管子弯曲成规则的螺旋线形状。
附图说明
下面结合本发明的图形进一步说明:
图1是本发明的结构示意图。
图2是本发明的爆炸图。
图3是本发明的部分结构示意图。
图4是所述双头螺栓I的结构示意图。
图5是所述双头螺栓II的结构示意图。
图6是所述夹具体I的结构示意图。
图7是所述夹具体II的结构示意图。
图8是所述夹具体III的结构示意图。
图9是所述夹具体IV的结构示意图。
图10、图11、图12是所述端板的结构示意图。
图13、图14是所述芯轴的结构示意图。
图中,1.螺母,2.端板,3.双头螺栓I,4.夹具体I,5.夹具体II,6.芯轴,7.夹具体IV,8.双头螺栓II,9.夹具体III,10.左旋螺纹I,11.右旋螺纹I,12.左旋螺纹II,13.右旋螺纹II,14.左旋螺孔I,15.右旋螺孔I,16.左旋螺孔II,17.右旋螺孔II,18.切口圆孔,19.切口圆柱,20.面I,21.面II,22.面III,23.面IV,24.通孔I,25.通孔II,26.通孔III。
具体实施方式
所述一种弯管夹具主要由两只所述螺母(1),两块所述端板(2),两根所述双头螺栓I(3),所述夹具体I(4),所述夹具体II(5),所述芯轴(6),所述夹具体IV(7),两根所述双头螺栓II(8)和所述夹具体III(9)构成。所述双头螺栓I(3)有所述左旋螺纹I(10)和所述右旋螺纹I(11)。所述双头螺栓II有所述左旋螺纹II(12)和所述右旋螺纹II(13)。所述夹具体I(4)有两个左右对称分布的所述左旋螺孔I(14)和两个左右对称分布的所述面I(20),所述夹具体III(9)有两个左右对称分布的所述右旋螺孔I(15)和两个左右对称分布的所述面II(21),所述夹具体II(5)有两个左右对称分布的所述左旋螺孔II(16),所述夹具体IV(7)有两个左右对称分布的所述右旋螺孔II(17)。所述左旋螺纹I(10)与所述左旋螺孔I(14)配合,所述右旋螺纹I(11)与所述右旋螺孔I(15)配合,所述左旋螺纹II(12)与所述左旋螺孔II(16)配合,所述右旋螺纹II(13)与所述右旋螺孔II(17)配合。所述端板(2)有所述切口圆孔(18)、所述面III(22)、所述面IV(23)和所述通孔I(24),所述通孔I(24)的形状为矩形半圆通孔。所述面I(20)、所述面II(21)、所述面III(22)和所述面IV(23)的弧面半径相同。所述面III(22)和所述面IV(23)关于所述切口圆孔(18)对称分布。所述芯轴(6)有两个左右对称分布的所述切口圆柱(19)、两个左右对称分布的所述通孔II(25)和两个左右对称分布的所述通孔III(26)。所述切口圆孔(18)与所述切口圆柱(19)配合。所述通孔I(24)的半圆半径大于所述双头螺栓I(3)的螺纹大径的一半。所述通孔II(25)的直径大于所述双头螺栓I(3)的螺纹大径。所述通孔III(26)的直径大于所述双头螺栓II(8)的螺纹大径。
所述一种弯管夹具装配时,将两根所述双头螺栓II(8)分别插入所述芯轴(6)的两个所述通孔III(26),通过旋动两根所述双头螺栓II(8)在两根所述双头螺栓II(8)的两头分别装入所述夹具体II(5)和所述夹具体IV(7),将两根所述双头螺栓I(3)分别插入所述芯轴(6)的两个所述通孔II(25),通过旋动两根所述双头螺栓I(3)在两根所述双头螺栓I(3)的两头分别装入所述夹具体I(4)和所述夹具体III(9),在所述芯轴(6)的两端各装入一块所述端板(2),使两块所述端板(2)的所述通孔III(26)相向并分别卡入各自的所述双头螺栓I(3),然后各用一只所述螺母(1)旋紧。同时或交替旋动两根所述双头螺栓I(3),直到所述面I(20)与所述面III(22)接触、所述面II(21)与所述面IV(24)接触。同时或交替旋动两根所述双头螺栓II(8),直到所述夹具体I(4)、所述夹具体II(5)、所述夹具体III(9)和所述夹具体IV(7)组成一个完整的圆柱体,此时所述夹具体I(4)、所述夹具体II(5)、所述夹具体III(9)和所述夹具体IV(7)上的半圆弧槽构成了一个规则的螺旋槽。
所述一种弯管夹具使用时,将所述芯轴(6)的一端夹在车床的三爪卡盘上,将所述芯轴(6)的另一端用车床的尾座上的顶尖顶住,将一定长度和相应直径的铜管、铝管或薄壁钢管等管子靠在夹具的螺旋槽上将其弯曲成规则的螺旋线形状,旋出右侧的所述螺母(1),取出同一侧的所述端板(2),同时或交替旋动两根所述双头螺栓II(8),使所述夹具体II(5)和所述夹具体IV(7)同时向里面收缩,同时或交替旋松两根所述双头螺栓I(3),使所述夹具体I(4)和所述夹具体III(9)同时向里面收缩,取下被弯曲成形的管子即可。

Claims (1)

1.一种弯管夹具,主要由螺母,端板,双头螺栓I,夹具体I,夹具体II,芯轴,夹具体IV,双头螺栓II和夹具体III构成,其特征是:所述双头螺栓I的两头分别是左旋螺纹I和右旋螺纹I;所述双头螺栓II的两头分别是左旋螺纹II和右旋螺纹II;所述夹具体I有左旋螺孔I、面I,所述夹具体III有右旋螺孔I、面II,所述夹具体II有左旋螺孔II,所述夹具体IV有右旋螺孔II;所述左旋螺纹I与所述左旋螺孔I配合,所述右旋螺纹I与所述右旋螺孔I配合,所述左旋螺纹II与所述左旋螺孔II配合,所述右旋螺纹II与所述右旋螺孔II配合;所述端板有切口圆孔、面III、面IV和通孔I,所述通孔I的形状为矩形半圆通孔,所述面I、所述面II、所述面III和所述面IV的弧面半径相同;所述面III和所述面IV关于所述切口圆孔对称分布;所述芯轴有切口圆柱、通孔II和通孔III;所述切口圆孔与所述切口圆柱配合;所述通孔I的半圆半径大于所述双头螺栓I的螺纹大径的一半;所述通孔II的直径大于所述双头螺栓I的螺纹大径;所述通孔III的直径大于所述双头螺栓II的螺纹大径;同时或交替旋动两根所述双头螺栓II,直到所述夹具体I、所述夹具体II、所述夹具体III和所述夹具体IV组成一个完整的圆柱体,此时所述夹具体I、所述夹具体II、所述夹具体III和所述夹具体IV上的半圆弧槽构成了一个规则的螺旋槽。
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CN110052519A (zh) * 2019-02-28 2019-07-26 合肥江淮汽车制管有限公司 螺旋管安全卷圆装置
CN110814127A (zh) * 2019-09-02 2020-02-21 加西贝拉压缩机有限公司 一种压缩机试验用蒸发器及冷凝器的铜管绕制夹具及方法

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