CN101374643B - 凸模固定件的脱模机组件 - Google Patents

凸模固定件的脱模机组件 Download PDF

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CN101374643B
CN101374643B CN2006800331205A CN200680033120A CN101374643B CN 101374643 B CN101374643 B CN 101374643B CN 2006800331205 A CN2006800331205 A CN 2006800331205A CN 200680033120 A CN200680033120 A CN 200680033120A CN 101374643 B CN101374643 B CN 101374643B
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stripper
punch
hole
stripper unit
ducted body
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CN101374643A (zh
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D·J·莫勒林
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B21D45/003—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass in punching machines or punching tools
    • B21D45/006—Stripping-off devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2092—Means to move, guide, or permit free fall or flight of product
    • Y10T83/2096—Means to move product out of contact with tool
    • Y10T83/2135—Moving stripper timed with tool stroke
    • Y10T83/2163—Stripper biased against product
    • Y10T83/2166—Spring biased stripper
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9411—Cutting couple type
    • Y10T83/9423—Punching tool
    • Y10T83/9428—Shear-type male tool
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9411—Cutting couple type
    • Y10T83/9423—Punching tool
    • Y10T83/9437—Shear-type female tool
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9457—Joint or connection
    • Y10T83/9473—For rectilinearly reciprocating tool
    • Y10T83/9476—Tool is single element with continuous cutting edge [e.g., punch, etc.]

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)

Abstract

脱模机组件结合精密螺纹塞，该精密螺纹塞预加载一个机械模具弹簧，再依次地预加载一个靠近凸模顶端的可移动或者滑动的脱模机。精密螺纹塞同时使脱模机组件准确定位在一个市场上可买到的球锁凸模固定件上。脱模机组件在球锁凸模固定件的表面上是完全独立的，这样最小化了在压板上所需的空间。

Description

凸模固定件的脱模机组件
背景技术
该申请要求2005年8月8日申请的序号为60/706,310的临时专利申请的权益。
本发明的领域涉及用于在金属中形成孔和凹痕的凸模(punch)和冲模(die)。具体地，本发明涉及用于防止在高速、高产量制造时工件贴附(adher to)凸模的装置和附件。
现代凸模固定件的示例在申请人以前的美国专利5,337,835、5,410,932和外观设计351,395中被示出。这些凸模固定件的视图也在图1和2中被示出。用于特定应用的现代凸模利用金属或者聚亚安酯脱模机来防止在凸模上的工件阻力。金属脱模机组件典型地延伸出凸模固定件的侧面或者另外干涉凸模固定件的闭合放置(closeplacement)。聚亚安酯脱模机需要独立的金属固定件从而将脱模机准确地定位在凸模固定件上。为了消除伴随现有脱模机的缺点，已经开发出以下更紧凑的脱模机。
发明内容
新型脱模机组件结合一个精密螺纹塞，该精密螺纹塞预加载一个机械模具弹簧并且同时使脱模机组件位于一个市场上可买到的球锁凸模固定件(ball-lock punch retainer)上。球锁凸模固定件通常被用于工具、模具以及金属冲压工业，并且新型脱模机组件是在现今市场上可买到的各种凸模脱模机组件的基础上的改进装置。使用预加载的机械模具弹簧会提供可经受时间考验的较长寿命。
附图说明
图1是凸模固定件的俯视图；
图2是凸模固定件的仰视图；
图3是新型脱模机组件的俯视图；
图4是新型脱模机组件的侧面分解视图；
图5是新型脱模机组件的侧面剖视图；
图6是新型脱模机组件的仰视图；
图7是位于凸模固定件上的新型脱模机的侧视图。
具体实施方式
在图1和图2中示出了典型的、市场上可买到的球锁凸模固定件10的俯视图和仰视图。凸模固定件10包括用于将凸模固定件连接到压板(没有示出)上的螺栓孔12、在底部带有合模销定位孔的螺纹孔14以及凸模固定孔16。
在图3中，新型脱模机组件18的俯视图示出了非常坚固(robust)的脱模机体20以及可移动的脱模机22。可移动的脱模机22上成形有孔24，该孔24的外形与凸模(没有示出)的形状匹配。
在图4中，按照装配的顺序示出了脱模机组件18的部件。首先将脱模机22插入脱模机体20中，接着放入将机械模具弹簧26和精密螺纹塞28。精密螺纹塞28旋入位于脱模机体20的底部32的精密螺纹孔30中并且抵靠在精密加工的扩孔凸缘(counterbore ledge)34上。
在脱模机体20内的上部孔(upper bore)36包括平直部分(flat)38，并且脱模机22是“D”形以便匹配40并因此使得仅在其正确位置才能组装。图5例示了完整组装的脱模机组件18的剖面。如图所示，精密螺纹塞28紧密地抵靠在扩孔凸缘34上。
在图6中，脱模机组件18的仰视图示出了形成有贯通其中的六角形孔42的精密螺纹塞28。六角形孔42的平直部分44被加工成适当大小从而与凸模(没有示出)准确接触并且因此使脱模机组件18准确对齐到凸模固定孔(punch retention hole)16上。可选择地，六角形孔42可以被制造得稍小一些，借此每个平直部分44上形成有与凸模固定孔16的弧度相匹配的微小的凹度。内六角扳手可用于将精密螺纹塞28紧固在适当的位置。
这样，脱模机组件18能够完美地被对齐到凸模固定件10上，如图7所示。机械螺栓(没有示出)被插入通过脱模机组件18中的孔46并且被旋入凸模固定件10的孔14中从而将脱模机组件紧固到固定件上。
以上的构造提供了许多改进的特征。精密螺纹塞28定位脱模机组件18的同时为了延长模具弹簧的寿命而预加载模具弹簧26。由于塞28有精密加工的六角形孔42，所以脱模机组件18被准确定位并且固定在它的配合固定件10上。六角形孔42提供了在精密孔上面的一个通用扳手内六角形(allen wrench hex)从而使得装配和拆卸简易。新型设计使全部模具弹簧26和脱模力在非常坚固的脱模机体20中是完全独立的(isolated)，而没有力被传递到任何外部部件上。完全组装后，脱模机组件18是完全“独立的/齐备的(self-contained)”，消除了部件丢失或者甚至当灾难性故障时组件的任何部件被投弃到冲压模内的危险。
精密螺纹塞28被设计成在脱模机体20中在它的配合凹处(mating pocket)的最低，这自动地使模具弹簧26预加载并且是防故障的，所以弹簧不会过载。
与当前可用的脱模机组件不同，新型脱模机组件18普遍地适用于所有标准的球锁凸模固定件，并且最重要地不需要改动固定件。
可移动或者滑动的脱模机22优选是具有润滑涂层的硬质工具钢结构以便保证平滑地脱模运动。脱模机22不仅通过“D”形主体外形引导，也通过脱模机的顶部直径或者孔尺寸以及形状24引导。这提供了一个更加改进的情况，该情况将确保脱模机22在生产过程中不能扭曲或者旋转以及压挤并且当脱模非平直表面时将更有利于脱模机上的侧面加载。
脱模机22的圆形部分以及脱模机组件18的所有圆形特征是沿凸模和穿孔(pierced hole)的中心线协同定位，这简化了脱模机组件的设计和制造。脱模机22的独特的“D”形外形40提供了自动防故障的装配，允许脱模机22仅能在正确的位置被装配进脱模机体20。
模具弹簧26和脱模机22的预加载提供了与工件接触时的瞬间脱模力。接触时的瞬间脱模力有利于计算和计时问题的简化，这些问题是难题，特别是关于凸轮驱动模具的应用。预加载也使得整个脱模机组件18更紧凑。脱模机体20是一个单件构造，该单件构造被设计成具有附加孔46的坚固的跟部(heel)，这使得脱模机组件18比其他的脱模机组件更稳定并且更坚固。

Claims (5)

1.用于连接到凸模固定件的独立的脱模机组件，其中所述凸模固定件具有在其中容纳凸模的凸模固定孔，所述脱模机组件具有安装位置，在所述安装位置该脱模机组件被接收在所述凸模上，该脱模机组件包括： 
一个非常坚固的中空体，所述中空体在其平直底部具有螺纹孔并且在所述中空体的顶部具有上部孔，当被安装时所述中空体的所述平直底部安装在所述凸模固定件顶部； 
一个脱模机，所述脱模机至少部分地被设置在所述中空体内并在所述上部孔中可移动； 
一个在所述中空体内啮合所述脱模机的模具弹簧，所述模具弹簧位于所述中空体内；以及 
一个精密螺纹塞，所述精密螺纹塞被旋入所述中空体的所述平直底部内的所述螺纹孔内来啮合所述模具弹簧从而使得所述精密螺纹塞下面与所述中空体的所述底部下表面齐平，所述精密螺纹塞啮合所述模具弹簧从而所述模具弹簧与脱模机是预加载的，所述精密螺纹塞具有贯通其中的六角形孔，所述六角形孔具有平直侧面，所述六角形孔的平直侧面被加工成尺寸为准确接触所述凸模并使所述脱模机组件准确对齐到所述凸模固定孔上。 
2.如权利要求1所述的脱模机组件，其中所述脱模机具有D形的形状。 
3.如权利要求1所述的脱模机组件，其中在所述中空体的所述底部内的所述螺纹孔具有扩孔凸缘，所述精密螺纹塞紧密地抵靠在所述扩孔凸缘上。 
4.如权利要求1所述的脱模机组件，其中所述脱模机具有其形状与所述凸模的形状匹配的孔。 
5.如权利要求1所述的脱模机组件，其中所述六角形孔的所述平直侧面被形成为具有与所述凸模固定孔的弧度相匹配的微小凹度。 
CN2006800331205A 2005-08-08 2006-06-02 凸模固定件的脱模机组件 Active CN101374643B (zh)

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US70631005P 2005-08-08 2005-08-08
US60/706,310 2005-08-08
PCT/US2006/021530 WO2007018695A2 (en) 2005-08-08 2006-06-02 Stripper unit for a punch retainer

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CN101374643B true CN101374643B (zh) 2013-11-13

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EP (1) EP1922191B1 (zh)
JP (1) JP5827453B2 (zh)
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US20070028737A1 (en) 2007-02-08
JP5827453B2 (ja) 2015-12-02
JP2009504412A (ja) 2009-02-05
US20100218656A1 (en) 2010-09-02
WO2007018695A3 (en) 2007-10-18
EP1922191A2 (en) 2008-05-21
EP1922191B1 (en) 2013-02-20
CN101374643A (zh) 2009-02-25
US7581475B2 (en) 2009-09-01
EP1922191A4 (en) 2012-01-11
WO2007018695A2 (en) 2007-02-15

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