CN104832525B - 磨削球面垫片的夹具 - Google Patents

磨削球面垫片的夹具 Download PDF

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CN104832525B
CN104832525B CN201510236633.7A CN201510236633A CN104832525B CN 104832525 B CN104832525 B CN 104832525B CN 201510236633 A CN201510236633 A CN 201510236633A CN 104832525 B CN104832525 B CN 104832525B
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spherical
clamp body
outside surface
pad
spherical outside
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CN104832525A (zh
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薛瑞华
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Gaoyou Yidu Small And Micro Businesses Service Management Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
    • F16B43/02—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts with special provisions for engaging surfaces which are not perpendicular to a bolt axis or do not surround the bolt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B24B41/065—Steady rests

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

本发明公开了一种磨削球面垫片的夹具，包括具有外球面的夹具体，夹具体外球面的顶部圆周均布设有多个定位销，其特征在于：球面垫片的外球面沿球面垫片直径方向设置一条窄形凹槽，定位销的顶部设有横向槽，横向槽的设置方向为外球面的顶部圆周方向，磨削工作时，排布于夹具体外球面上的球面垫片由带绳进行绑紧，带绳绕设在夹具体外球面上围成一圈，带绳经过窄形凹槽和横向槽，带绳一端固定在夹具体上，另一端连接在转动圈的外圆，转动圈螺纹旋接在螺杆上，转动圈外端面设有锁紧螺母，锁紧螺母也螺纹旋接在螺杆上。本发明可以实现对球面垫片的快速装夹和可靠固定，方便加工设备对球面垫片的磨削加工，提高工作效率。

Description

磨削球面垫片的夹具
【技术领域】
本发明涉及一种磨削球面垫片的夹具。
【背景技术】
球面垫片是一种具有内外球面的垫片，球面垫片的关键在于它的球面精度和光洁度，对于相当多的一些球面垫片，外球面精度和光洁度要求高，外球面一定要经过磨削加工才能达到所需精度和光洁度。专利号200810121605.0、专利名称《用于磨削球面垫片的夹具》提供的技术方案较好地解决了上述技术问题，但缺点是只能适用铁质材料的球面垫片，对于一些不被磁性吸附的铜质材料球面垫片来说，就没有办法利用上述专利技术来实施磨削加工，后来申请人也采用了一些方法来解决上述技术问题，也申请了相关专利，但总体上看，都要通过人工方式对一个个球面垫片予以夹紧，速度较慢，显然不能满足大批量生产要求，更为严重的是，还存在球面垫片在夹具上不能可靠固定、夹紧不牢靠的问题，球面垫片在进行磨削加工时易脱出。
【发明内容】
鉴于目前公知技术存在的问题，本发明要解决的技术问题是在于提供一种可实现快速装夹和可靠固定，提高加工效率的磨削球面垫片的夹具。
为解决上述技术问题，本发明是采取如下技术方案来完成的：
磨削球面垫片的夹具，球面垫片具有内球面、外球面和中心内孔，夹具包括具有外球面的夹具体和固定夹具体的法兰盘，夹具体的外球面弧度与球面垫片的内球面弧度相同，夹具体外球面的顶部圆周均布设有多个定位销，定位销的中心线与夹具体的旋转中心线垂直相交，定位销的外径与球面垫片的内孔直径相配，其特征在于：球面垫片的外球面沿球面垫片直径方向设置一条窄形凹槽，定位销的顶部设有与窄形凹槽对应的横向槽，横向槽的设置方向为夹具体外球面的顶部圆周方向，磨削工作时，排布于夹具体外球面上的球面垫片由定位销进行内孔定位并由带绳进行绑紧，带绳绕设在夹具体外球面上围成一圈，带绳经过窄形凹槽和横向槽，带绳高度小于窄形凹槽深度，带绳一端固定在夹具体上，另一端穿过夹具体外球面进入到夹具体内孔，然后连接在转动圈的外圆，转动圈螺纹旋接在螺杆上，螺杆与法兰盘固定连接，转动圈外端面设有锁紧螺母，锁紧螺母也螺纹旋接在螺杆上。
上述技术方案的夹具，利用夹具体外球面的定位销对球面垫片进行定位，然后拉紧带绳即可对所有球面垫片同时进行绑紧或夹紧，结构简单，可适合无论是铁质、铜质或其它材质的球面垫片，不仅实现快速装夹，而且实现可靠固定，球面垫片在进行磨削加工时绝对不会出现脱出现象。其工作原理是：在磨削球面垫片时，将多个球面垫片同时排布于夹具体外球面上，由定位销对球面垫片的内孔进行定位，让球面垫片的窄形凹槽与定位销的横向槽对齐，并让带绳经过窄形凹槽和横向槽，然后转动转动圈使带绳拉紧，于是将所有球面垫片同时进行绑紧，绑紧后的球面垫片无论如何也不会从定位销上脱出，从而确保快速装夹和可靠固定，提高加工效率，最后，转动锁紧螺母对转动圈进行锁紧即可进行球面垫片的磨削加工。
【附图说明】
本发明有如下附图：
图1为球面垫片的俯视方向图，
图2为图1的剖视图，
图3为夹具的外形结构图，
图4为图3的轴剖图，
图5为图3的A-A视图，
图6为夹具工作状态的示意图(夹具体外球面布设六个球面垫片)。
【具体实施方式】
附图表示了本发明的技术方案及其实施例，下面再结合附图进一步描述其实施例的各有关细节及其工作原理。
如图1-2所示，本发明的球面垫片A，具有内球面、外球面和中心内孔，外球面沿球面垫片直径方向设置一条窄形凹槽A1。
如图3-6所示，本发明的磨削球面垫片的夹具，包括具有外球面4的夹具体6和固定夹具体6的法兰盘1，夹具体的外球面4弧度与球面垫片A的内球面弧度相同，夹具体外球面4的顶部圆周均布设有六个定位销3，定位销3的中心线与夹具体的旋转中心线7垂直相交，定位销3的外径与球面垫片A的内孔直径相配，定位销3的顶部设有与窄形凹槽A1对应的横向槽2，横向槽2的设置方向为夹具体外球面4的顶部圆周方向，磨削工作时，排布于夹具体外球面4上的球面垫片A由定位销3进行内孔定位并由带绳5进行绑紧，带绳5绕设在夹具体外球面4上围成一圈，带绳5经过窄形凹槽A1和横向槽2，带绳5高度小于窄形凹槽A1深度，带绳5一端固定在夹具体6内孔，另一端穿过夹具体外球面4进入到夹具体6内孔，然后连接在转动圈8的外圆，转动圈8螺纹旋接在螺杆10上，螺杆10与法兰盘1固定连接，转动圈8外端面设有锁紧螺母9，锁紧螺母9也螺纹旋接在螺杆10上。
本发明的夹具是这样对球面垫片进行快速装夹和可靠固定的：在磨削球面垫片前，将六个球面垫片A同时排布于夹具体6的外球面4上，由定位销3对球面垫片A的内孔进行定位，让球面垫片A的窄形凹槽A1与定位销3的横向槽2对齐，并让带绳5经过窄形凹槽A1和横向槽2，然后转动转动圈8使带绳5拉紧，于是带绳5将所有球面垫片A同时进行绑紧(图6所示)，绑紧后的球面垫片A无论如何也不会从定位销3上脱出，从而确保快速装夹和可靠固定，提高加工效率，最后，转动锁紧螺母9对转动圈8进行锁紧即可进行球面垫片A的磨削加工。

Claims (1)

1.磨削球面垫片的夹具，球面垫片具有内球面、外球面和中心内孔，夹具包括具有外球面的夹具体和固定夹具体的法兰盘，夹具体的外球面弧度与球面垫片的内球面弧度相同，夹具体外球面的顶部圆周均布设有多个定位销，定位销的中心线与夹具体的旋转中心线垂直相交，定位销的外径与球面垫片的内孔直径相配，其特征在于：球面垫片的外球面沿球面垫片直径方向设置一条窄形凹槽，定位销的顶部设有与窄形凹槽对应的横向槽，横向槽的设置方向为夹具体外球面的顶部圆周方向，磨削工作时，排布于夹具体外球面上的球面垫片由定位销进行内孔定位并由带绳进行绑紧，带绳绕设在夹具体外球面上围成一圈，带绳经过窄形凹槽和横向槽，带绳高度小于窄形凹槽深度，带绳一端固定在夹具体上，另一端穿过夹具体外球面进入到夹具体内孔，然后连接在转动圈的外圆，转动圈螺纹旋接在螺杆上，螺杆与法兰盘固定连接，转动圈外端面设有锁紧螺母，锁紧螺母也螺纹旋接在螺杆上。
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CN105257673B (zh) * 2015-11-02 2017-10-27 薛瑞华 球面垫片磨削夹具
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