CN103600244B - 机床垫铁铣槽定位夹具 - Google Patents

机床垫铁铣槽定位夹具 Download PDF

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CN103600244B
CN103600244B CN201310541809.0A CN201310541809A CN103600244B CN 103600244 B CN103600244 B CN 103600244B CN 201310541809 A CN201310541809 A CN 201310541809A CN 103600244 B CN103600244 B CN 103600244B
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Prior art keywords
clamping plate
machine tool
cushion block
hole
iron gasket
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CN103600244A (zh
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王贺
张雷
郭晓
芮珍珍
孟繁营
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RONGCHENG METAL FORMING MACHINE CO Ltd
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RONGCHENG METAL FORMING MACHINE CO Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C3/00Milling particular work; Special milling operations; Machines therefor
    • B23C3/28Grooving workpieces
    • B23C3/30Milling straight grooves, e.g. keyways

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Milling Processes (AREA)

Abstract

本发明涉及一种机床加工用夹具。为克服目前加工机床垫铁U形凹槽时时间长、效率低的技术问题,本实用新形提供一种机床垫铁铣槽定位夹具,包括两等高的垫块,其特征在于:该垫块的高度与加床垫铁垫槽底板的厚度一致,所述的垫块上设有上下贯通的通孔,一夹紧板横卧于两垫块之上,夹紧板的两端设有与垫块上通孔对应的螺栓孔,T形螺栓穿过垫块上的通孔及夹紧板上的螺栓孔采用螺母固定;在夹紧板的中间设有内凹的T形铣刀进刀口,在进刀口开口的一侧设有定位键,当机床垫铁被夹紧板夹紧后,夹紧板与垫铁左侧槽壁上的内凸凸台相抵,定位键与内凸凸台侧壁相抵。该机床垫铁铣槽定位夹具制造简单、结构独特,具有操作简单、使用便利的优点。

Description

机床垫铁铣槽定位夹具
技术领域
本发明涉及一种机床加工时用于对工件进行定位的夹具,具体是指一种用于机床垫铁铣槽定位夹具。
背景技术
垫铁,是大形机床调整精度不可缺少的一种零件。垫铁结构如图1、图2、图3所示,其大体为一槽板结构,槽板上的凹槽作为垫槽1,在垫槽1右侧槽壁4中间上开有一上下豁口,该豁口将右侧槽壁分为两部分,豁口底部向垫槽底板中部延伸形成U形口2;垫槽左侧槽壁4上设有两向内凸起的凸台5,在两凸台之间的槽壁上设有自上向下延伸的U形凹槽6,U形凹槽内的凹槽壁上设有U形凸台7。在加工时,该U形凹槽6的定位十分麻烦,需要先找正开槽,然后再换T形槽铣刀铣槽两端的沉槽以形成上述结构。而一个机床所需的垫铁数量巨大,在加工时如果一件一件的进行刀具找正夹紧,其对刀过程就是一个十分耗时的步骤,导致垫铁加工时间长、效率低,而且垫铁的规格会出现一定的偏差。
发明内容
为克服目前加工机床垫铁U形凹槽时其对刀找正耗时导致加工时间长、效率低的技术问题,本发明提供一种机床垫铁铣槽定位夹具。
本发明采用的技术方案为:机床垫铁铣槽定位夹具,包括两等高的垫块,其特征在于:该垫块的高度与加床垫铁垫槽底板的厚度一致,所述的垫块上设有上下贯通的通孔,一夹紧板横卧于两垫块之上,夹紧板的两端设有与垫块上通孔对应的螺栓孔,T形螺栓穿过垫块上的通孔及夹紧板上的螺栓孔采用螺母固定;在夹紧板的中间设有内凹的T形铣刀进刀口,在进刀口开口的一侧设有定位键,当机床垫铁被夹紧板夹紧后,夹紧板与垫铁左侧槽壁上的内凸凸台相抵,定位键与内凸凸台侧壁相抵。
该机床垫铁铣槽定位夹具制造简单、结构独特,具有操作简单、使用便利的优点,能够有效提高效率、节省成本,保证加工质量。
附图说明
附图1为机床垫铁的俯视图。
附图2为机床垫铁的左视图。
附图3为附图1中A-A向剖视图。
附图4为本实用新形的结构俯视图。
附图5为本发明的结构主视图。
附图6为该夹具与机床垫铁及铣床结合后的俯视图。
图中,1、垫槽,2、U形口,3、右侧槽壁,4、左侧槽壁,5、凸台,6、U形凹槽,7、U形凸台,8、垫槽底板,9、垫块,10、T形螺栓,11、夹紧板,12、进刀口,13、定位键,14、工作台面,15、T形铣刀。
具体实施方式
下面结合附图及实施例对本发明做进一步说明。
如附图4及附图5所示,该机床垫铁铣槽定位夹具,包括两等高的垫块9,垫块9上设有上下贯通的通孔,一夹紧板11横卧于两垫块9之上,夹紧板11的两端设有与垫块上通孔对应的螺栓孔,T形螺栓10穿过垫块上的通孔及夹紧板上的螺栓孔采用螺母固定。
如附图4所示,在夹紧板11的中间设有内凹的T形铣刀进刀口12,在进刀口开口的一侧设有定位键13。
结合附图6所示,将固定垫块9及夹紧板11的T形螺栓10固定在工作台面14的T型槽中,将机床垫铁放入夹紧板下方,左侧槽壁4指向T形铣刀15,夹紧板11与垫铁左侧槽壁上的内凸凸台5相抵,定位键13与内凸凸台5侧壁相抵,锁紧夹紧板11将机床垫铁定位固定,T形铣刀15即可加工左侧槽壁4上的U形凹槽6,当加工完一块后,松开夹紧板11换上另一块待加工的机床垫铁,利用夹紧板11上的定位键13即可快速定位,克服了传统加工时需要每加工一块需要单独对刀定位的技术问题。
通过附图5及上述描述可知,垫块的高度应与与加床垫铁垫槽底板的厚度一致。另外夹紧板11上设置的进刀口12是为了T形铣刀在加工U形凹槽里端的沉孔时让出进刀空间,防止夹紧板限制了T形铣刀的进刀。

Claims (1)

1.机床垫铁铣槽定位夹具,包括两等高的垫块,其特征在于:该垫块的高度与机床垫铁垫槽底板的厚度一致,所述的垫块上设有上下贯通的通孔,一夹紧板横卧于两垫块之上,夹紧板的两端设有与垫块上通孔对应的螺栓孔,T形螺栓穿过垫块上的通孔及夹紧板上的螺栓孔采用螺母固定;在夹紧板的中间设有内凹的T形铣刀进刀口,在进刀口开口的一侧设有定位键,当机床垫铁被夹紧板夹紧后,夹紧板与垫铁左侧槽壁上的内凸凸台相抵,定位键与内凸凸台侧壁相抵。
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CN104786077A (zh) * 2015-04-07 2015-07-22 天津市裕泰机械有限责任公司 一种机械加工装置
CN106925984A (zh) * 2015-12-31 2017-07-07 沪东重机有限公司 贯穿螺栓的配套安装工具

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CN101332566A (zh) * 2008-07-29 2008-12-31 张家港玉成精机有限公司 用于铣削半月槽的夹具
CN202964175U (zh) * 2012-11-19 2013-06-05 无锡市航鹄科技有限公司 高精度铣斜槽定位装置
CN203621992U (zh) * 2013-11-06 2014-06-04 荣成锻压机床有限公司 机床垫铁铣槽定位夹具

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JPS61109639A (ja) * 1984-10-29 1986-05-28 Riken Seiki Kk 工作機械用ワ−ククランプ装置
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CN101332566A (zh) * 2008-07-29 2008-12-31 张家港玉成精机有限公司 用于铣削半月槽的夹具
CN202964175U (zh) * 2012-11-19 2013-06-05 无锡市航鹄科技有限公司 高精度铣斜槽定位装置
CN203621992U (zh) * 2013-11-06 2014-06-04 荣成锻压机床有限公司 机床垫铁铣槽定位夹具

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Denomination of invention: Positioning fixture for milling groove of machine tool sizing block

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Granted publication date: 20160427

Pledgee: Weihai Commercial Bank Co.,Ltd. Yatou Sub branch

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