一种易拆卸的薄壁缸套磨内孔夹具制造技术

一种易拆卸的薄壁缸套磨内孔夹具，包括夹具体、锥套、外压盖及内压盖；夹具体具有内腔且左右两端开口，工件从右端开口装配进入内腔；内腔左端设有台阶面，抵靠定位工件左端面；内腔沿径向形成有内孔抵靠面，在径向上抵靠定位工件的第一外圆；夹具体右端开口左侧设有锥状开口，呈向外倾斜状；锥套以其锥形外周贴合并抵靠锥形开口，同时以其平直状内周壁抵靠定位工件的第二外圆；外压盖为环状体，装配于夹具体的右端开口中，外压盖的外圆在径向上与夹具体右端开口螺纹配合，外压盖左端面在轴向上抵靠定位锥套右端面；内压盖为环状体，其外圆与外压盖的内孔在径向上螺纹配合，内压盖左端面抵靠定位工件右端面。

A Kind of Easy-disassembly Fixture for Grinding Inner Hole of Thin-walled Cylinder Liner

A disassembly-prone fixture for grinding inner hole of thin-walled cylinder liner includes fixture body, cone sleeve, external pressure cover and internal pressure cover; fixture body has inner cavity and openings at both left and right ends, and workpiece is assembled into the inner cavity from the right opening; step surface is arranged at the left end of the inner cavity, which is against the left end of the positioning workpiece; inner cavity forms an inner hole counterpart surface along the radial direction, which is against the first outer circle of the positioning workpiece in the radial direction; The left side of the end opening is provided with a conical opening, which is inclined outward; the conical sleeve is combined with the conical opening by its conical periphery, and the second outer circle of the positioning workpiece by its flat inner periphery; the outer pressing cover is a ring, which is assembled in the right opening of the fixture body. The outer circle of the outer pressing cover matches with the opening thread of the right end of the fixture body radially, and the left side of the outer pressing cover is aligned axially. The right end face of the bit taper sleeve; the inner pressure cover is a ring body, the outer circle and the inner hole of the outer pressure cover are radially screwed together, and the left end face of the inner pressure cover is against the right end face of the positioning workpiece.

【技术实现步骤摘要】
一种易拆卸的薄壁缸套磨内孔夹具
本技术涉及机加工用的工装夹具，具体涉及一种易拆卸的薄壁缸套磨内孔夹具。
技术介绍
如图1所述，为本案所涉及的加工工件1，该工件1为薄壁缸套零件，其具有如下几个特征：1、一端壁厚较薄，一端壁厚较厚；2、内孔和外圆的尺寸精度要求较高，且还有较高的圆度和同轴度要求；3、内孔大的一端外圆小，内孔小的一端外圆大。加工时，为保证内孔和外圆有较高的同轴度，其工艺方法是以外圆为基准磨削内孔，要求一次装夹完成两个内孔尺寸，即第一段内孔13和第二段内孔14的磨削加工。考虑到上述三个特征，因此加工时要一次装夹磨完内孔，且必须从内孔大的一端进刀才可实现。现有技术的工艺安排如下：首先，粗加工时将两端外圆均按尺寸较大一端，即第一外圆12的尺寸留余量，然后磨两端外圆为同一尺寸；然后，以此外圆做基准，上夹具磨内孔；之后，磨完内孔后再将壁厚较薄的一端的外圆车小并留磨量；最后，再以内孔为基准，穿心轴精磨三处外圆至尺寸，该三处外圆分别为第一外圆12、第二外圆11b和第三外圆11a，且第二外圆11b和第三外圆11a的外径一致。上述现有工艺主要存在以下问题：鉴于工件1的第3个特征，因此在工艺中本文档来自技高网...

【技术保护点】
1.一种易拆卸的薄壁缸套磨内孔夹具，其特征在于：包括夹具体、锥套、外压盖及内压盖；其中，所述夹具体包括一筒状主体，该筒状主体水平设置，具有一内腔且左右两端开口；所述内腔贯通左端开口和右端开口，工件从所述右端开口装配进入所述内腔；所述内腔的左端于所述左端开口的右侧设有一台阶面，该台阶面呈环状设置，用于在轴向上抵靠定位所述工件的左端面；并且，所述内腔的左端于所述台阶面的右侧沿径向形成有一内孔抵靠面，用于在径向上抵靠定位所述工件的第一外圆；所述夹具体的右端开口左侧设有锥状开口，其左端口径小于右端口径，呈向外倾斜状；所述锥套与所述锥状开口的形状相对应，锥套以其锥形外周贴合并抵靠所述锥形开口，同时以其平...

【技术特征摘要】
1.一种易拆卸的薄壁缸套磨内孔夹具，其特征在于：包括夹具体、锥套、外压盖及内压盖；其中，所述夹具体包括一筒状主体，该筒状主体水平设置，具有一内腔且左右两端开口；所述内腔贯通左端开口和右端开口，工件从所述右端开口装配进入所述内腔；所述内腔的左端于所述左端开口的右侧设有一台阶面，该台阶面呈环状设置，用于在轴向上抵靠定位所述工件的左端面；并且，所述内腔的左端于所述台阶面的右侧沿径向形成有一内孔抵靠面，用于在径向上抵靠定位所述工件的第一外圆；所述夹具体的右端开口左侧设有锥状开口，其左端口径小于右端口径，呈向外倾斜状；所述锥套与所述锥状开口的形状相对应，锥套以其锥形外周贴合并抵靠所述锥形开口，同时以其平直状的内周壁抵靠定位所述工件的第二外圆；并且，所述锥套的右端伸出于所述锥状开口的右端；所述外压盖为环状...

【专利技术属性】
技术研发人员：王磊，
申请(专利权)人：苏州新锐合金工具股份有限公司，
类型：新型
国别省市：江苏,32