CN203140823U - 薄壁圆筒零件加工用胀套夹具 - Google Patents

薄壁圆筒零件加工用胀套夹具 Download PDF

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Publication number
CN203140823U
CN203140823U CN 201320166336 CN201320166336U CN203140823U CN 203140823 U CN203140823 U CN 203140823U CN 201320166336 CN201320166336 CN 201320166336 CN 201320166336 U CN201320166336 U CN 201320166336U CN 203140823 U CN203140823 U CN 203140823U
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expansion sleeve
processing
mandrel
thin
wall cylinder
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吴敬
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Shenyang Institute of Technology
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吴敬
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Abstract

本实用新型涉及一种夹具,更具体地说,是涉及一种薄壁圆筒零件加工用胀套夹具。包括开口胀套、芯轴、压板和螺母,开口胀套套接在芯轴上,芯轴的两端分别设置了伸出端和螺扣,螺扣穿过压板与螺母相连。本实用新型结构简单,操作方便,加工效率高,利于扩大生产。更重要的是,既能保证零件内孔外壁同心,又可避免由于夹紧力影响产生变形。

Description

薄壁圆筒零件加工用胀套夹具
技术领域:
本实用新型涉及一种夹具,更具体地说,是涉及一种薄壁圆筒零件加工用胀套夹具。
背景技术:
薄壁零件加工中,存在的最大的问题是变形,变形会影响零件尺寸精度。
影响零件变形的因素是:1)装夹过程中夹紧力过大或受力不均引起变形;2)切削加工中切削力作用引起变形;3)加工中产生热量,冷却不充分,引起变形。上述三个因素,夹紧力引起的变形是主要因素。所以加工薄壁零件要充分考虑如何防止由夹紧力作用而产生的变形。
零件的材质通常为1Cr13,这种材质是具有较高强度及塑性的中碳马氏体不锈钢。加工中易产生加工硬化,零件切削抗力增大,刀具磨损严重。另外加工中粘刀现象严重,断屑困难,切屑易刮伤零件表面,影响加工质量。因此加工中不仅要考虑变形问题,还要考虑由材料本身的特性带来的影响。
实用新型内容:
本实用新型就是针对上述问题,提供了一种薄壁圆筒零件加工用胀套夹具。
为了实现上述目的,本实用新型采用如下技术方案,包括开口胀套、芯轴、压板和螺母,开口胀套套接在芯轴上,芯轴的两端分别设置了伸出端和螺扣,螺扣穿过压板与螺母相连。
所述的伸出端与车床的卡盘相连。
本实用新型的有益效果:
本实用新型结构简单,操作方便,加工效率高,利于扩大生产。更重要的是,既能保证零件内孔外壁同心,又可避免由于夹紧力影响产生变形。
附图说明:
图1为本实用新型的结构示意图。
图1中,1为开口胀套,2为芯轴,3为薄壁零件,4为压板,5为螺母。
图2为薄壁零件的结构示意图。
具体实施方式:
由图2可知,薄壁零件两端内孔的内径不同。一端是φ107mm,另一端是φ100mm。
由图1可知,本实用新型包括开口胀套、芯轴、压板和螺母,开口胀套套接在芯轴上,芯轴的两端分别设置了伸出端和螺扣,螺扣穿过压板与螺母相连。
所述的伸出端与车床的卡盘相连。
工作时,芯轴移动,开口胀套胀开与零件内孔壁紧紧连在一起,伸出端与车床的卡盘夹紧,完成零件的加工。

Claims (2)

1.薄壁圆筒零件加工用胀套夹具,其特征在于,包括开口胀套、芯轴、压板和螺母,开口胀套套接在芯轴上,芯轴的两端分别设置了伸出端和螺扣,螺扣穿过压板与螺母相连。
2.根据权利要求1所述的薄壁圆筒零件加工用胀套夹具,其特征在于,所述的伸出端与车床的卡盘相连。
CN 201320166336 2013-03-25 2013-03-25 薄壁圆筒零件加工用胀套夹具 Expired - Fee Related CN203140823U (zh)

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CN 201320166336 CN203140823U (zh) 2013-03-25 2013-03-25 薄壁圆筒零件加工用胀套夹具

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104043851A (zh) * 2014-06-10 2014-09-17 西安航天动力机械厂 一种加工圆筒体工件用的工装

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104043851A (zh) * 2014-06-10 2014-09-17 西安航天动力机械厂 一种加工圆筒体工件用的工装

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