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
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outside
band rope
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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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薛瑞华
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B43/00Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
    • F16B43/02Washers 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies
    • B24B41/065Steady rests

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】
[0001] 本发明涉及一种磨削球面垫片的夹具。 【背景技术】
[0002] 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,还存在球面塾片在夹具上不能可靠固定、夹紧不牢靠的问题,球面塾片 在进行磨削加工时易脱出。 【发明内容】
[0003] 鉴于目前公知技术存在的问题,本发明要解决的技术向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。
[0004] 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:
[0005] 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。
[0006] 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 夾和可罪固定,提咼加工效率,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】
[0007]本发明有如下附图:
[0008]图1为球面垫片的俯视方向图,
[0009]图2为图1的剖视图,
[0010]图3为夹具的外形结构图, _1]图4为图3的轴剖图, _2]图5为图3的A-A视图,
[0013]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】
[0014]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。
[0015] 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。
[0016] 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—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。
[0017] 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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