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CN2602857Y - 自锁式钻夹头 - Google Patents

自锁式钻夹头 Download PDF

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Publication number
CN2602857Y
CN2602857Y CNU032168810U CN03216881U CN2602857Y CN 2602857 Y CN2602857 Y CN 2602857Y CN U032168810 U CNU032168810 U CN U032168810U CN 03216881 U CN03216881 U CN 03216881U CN 2602857 Y CN2602857 Y CN 2602857Y
Authority
CN
China
Prior art keywords
cover
screw
self
nut sleeve
locking
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU032168810U
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English (en)
Inventor
杨桂模
谭兴达
高平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Weida Machinery Co Ltd
Original Assignee
Shandong Weida Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Weida Machinery Co Ltd filed Critical Shandong Weida Machinery Co Ltd
Priority to CNU032168810U priority Critical patent/CN2602857Y/zh
Application granted granted Critical
Publication of CN2602857Y publication Critical patent/CN2602857Y/zh
Priority to PCT/US2004/009232 priority patent/WO2005009656A2/en
Priority to US10/550,637 priority patent/US20060261563A1/en
Priority to EP04007190A priority patent/EP1462196A1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B31/00Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02Chucks
    • B23B31/10Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/12Chucks with simultaneously-acting jaws, whether or not also individually adjustable
    • B23B31/1207Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving obliquely to the axis of the chuck in a plane containing this axis
    • B23B31/1238Jaws movement actuated by a nut with conical screw-thread
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B31/00Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02Chucks
    • B23B31/10Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/12Chucks with simultaneously-acting jaws, whether or not also individually adjustable
    • B23B31/1207Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving obliquely to the axis of the chuck in a plane containing this axis
    • B23B31/123Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving obliquely to the axis of the chuck in a plane containing this axis with locking arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2231/00Details of chucks, toolholder shanks or tool shanks
    • B23B2231/38Keyless chucks for hand tools

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping On Spindles (AREA)

Abstract

本实用新型涉及一种自锁式钻夹头,包括有钻体、夹爪、丝母、丝母套、前套、后套,前套和丝母套之间设有转动套,转动套套装在丝母套上,并在丝母套中设有回转空间,转动套上设有突出的拨爪,丝母套上设有弹簧片,钻体后端外圆固定有齿盘,前套通过转动套带动丝母套转动,转动套上的拨爪打开或关闭丝母套上的弹簧片,其与齿盘上的棘齿啮合,形成自锁机构。本实用新型具有自锁功能,不会因振动或冲击使钻具松动,具有结构合理,工作稳定、使用方便,自锁性能可靠等优点,适用于各种钻具的装夹。

Description

自锁式钻夹头
技术领域
本实用新型涉及一种钻具夹紧装置,具体地说是一种自锁式钻夹头。
背景技术
我们知道,现有手紧钻夹头一般由钻体、夹爪、丝母、丝母套、轴承、前套、后套组成。三个夹爪分别安装在钻体的三个等分斜孔内,丝母安装在钻体的丝母槽内,丝母与夹爪的螺纹形成螺纹传动机构,丝母套与丝母固定连接,前套与丝母或丝母套键连接,后套与钻体固定连接,钻体后部有螺纹孔或锥孔。安装使用时,钻体后部的螺纹孔与动力机具的传动轴螺杆连接,传动轴转动时驱动钻体带动三爪及所夹工具同步转动。装夹工具时,手握并相对转动前套和后套,使与前套键连接的丝母相对钻体中的夹爪转动,经丝母和夹爪的螺纹传动,使夹爪在钻体的斜孔中向前移动而夹住工具柄。现有钻夹头振动或冲击时易使钻具松动,影响工作效率,安全性差;或钻夹头有自锁机构而结构过于复杂而不易形成大批量生产。
发明内容
本实用新型所要解决的技术问题是克服上述现有技术的不足,提供一种结构合理,具有自锁功能、工作效率高、使用安全、方便的自锁式钻夹头。
本实用新型解决上述技术问题采用的技术方案是:一种自锁式钻夹头,包括有钻体、夹爪、丝母、丝母套、前套、后套,其特征是:前套和丝母套之间设有转动套,转动套上设有突出的拨爪,丝母套上设有弹簧片,钻体后端外圆固定有齿盘,前套通过转动套带动丝母套转动,转动套上的拨爪打开或关闭丝母套上的弹簧片,其与齿盘上的棘齿啮合,形成自锁机构。达到自锁目的。
本实用新型由于采用上述结构,具有自动自锁功能,其操作使用方便,具有结构合理,工作稳定、使用方便,自锁性能可靠等优点,适用于各种钻具的装夹。
附图说明
下面结合附图对本实用新型做进一步描述:
图1是本实用新型的结构示意图;
图2是本实用新型的一种实施例的截面示意图;
图中的标号是:1.钻体、2.后套、3.丝母、4.夹爪、5.丝母套、5-1.弹簧片、6.前套、7,卡簧、8.转动套、8-1.拨爪、9.轴承、10.轴承垫、11.齿盘、11-1.棘齿。
具体实施方式
如图1、图2所示,本实用新型一种自锁式钻夹头,包括有钻体1、后套2、丝母3、夹爪4、丝母套5、前套6、卡簧7、转动套8、轴承9、轴承垫10。三个夹爪4分别安装在钻体1的三个等分斜孔内,丝母3安装在钻体1的丝母槽内,丝母3与夹爪4的螺纹形成螺纹传动机构,丝母套5与丝母3固定连接,后套2与钻体1固定连接,钻体后部有螺纹孔或锥孔。上述结构以及与其相连部件的关系属已有技术,此不详述。
图1、图2还可以看出,本实用新型前套6和丝母套5之间设有转动套8,转动套8套装在丝母套5上,并在丝母套5中设有回转空间,塑料前套6通过转动套8带动丝母套5转动,实现钻夹头松开、夹紧主要动作。本实用新型转动套8上设有突出的拨爪8-1,丝母套5上设有弹簧片5-1,钻体1后端外圆固定有齿盘11,齿盘11可以和钻体1压合固定。齿盘11上设有棘齿11-1。当夹紧或松开钻夹头时,前套6通过转动套8带动丝母套5转动,转动套8上的拨爪8-1打开或关闭丝母套上的弹簧片5-1,其与齿盘11上的棘齿11-1啮合,形成自锁机构,达到自锁目的。
如图2所示,丝母套5上设有对称的两个弹簧片5-1,弹簧片5-1上设有棘爪和弧形凸起。前套6通过转动套8带动丝母套5转动,但在转动套8和丝母套5之间有相对转动量,在转动套8和丝母套5相对转动中,通过转动套8本身突出的拨爪8-1打开或关闭弹簧片5-1,与齿盘11上的棘齿11-1形成自锁机构。
本实用新型具有自锁功能,不会因振动或冲击使钻具松动,具有结构合理,工作稳定、使用方便,自锁性能可靠等优点,适用于各种钻具的装夹。

Claims (3)

1、一种自锁式钻夹头,包括有钻体、夹爪、丝母、丝母套、前套、后套,其特征是:前套和丝母套之间设有转动套,转动套上设有突出的拨爪,丝母套上设有弹簧片,钻体后端外圆固定有齿盘,前套通过转动套带动丝母套转动,转动套上的拨爪打开或关闭丝母套上的弹簧片,其与齿盘上的棘齿啮合,形成自锁机构。
2、如权利要求1所述的自锁式钻夹头,其特征是:丝母套上设有对称的两个弹簧片。
3、如权利要求1或2所述的自锁式钻夹头,其特征是:弹簧片上设有棘爪和弧形凸起。
CNU032168810U 2003-03-25 2003-03-25 自锁式钻夹头 Expired - Fee Related CN2602857Y (zh)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CNU032168810U CN2602857Y (zh) 2003-03-25 2003-03-25 自锁式钻夹头
PCT/US2004/009232 WO2005009656A2 (en) 2003-03-25 2004-03-25 Self-locking drill chuck
US10/550,637 US20060261563A1 (en) 2003-03-25 2004-03-25 Self-locking drill chuck
EP04007190A EP1462196A1 (en) 2003-03-25 2004-03-25 Self-locking drill chuck

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU032168810U CN2602857Y (zh) 2003-03-25 2003-03-25 自锁式钻夹头

Publications (1)

Publication Number Publication Date
CN2602857Y true CN2602857Y (zh) 2004-02-11

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ID=31196068

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU032168810U Expired - Fee Related CN2602857Y (zh) 2003-03-25 2003-03-25 自锁式钻夹头

Country Status (3)

Country Link
EP (1) EP1462196A1 (zh)
CN (1) CN2602857Y (zh)
WO (1) WO2005009656A2 (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007028287A1 (fr) * 2005-09-09 2007-03-15 Zhejiang Sanou Machinery Co., Ltd. Mandrin porte-meche a autoverrouillage
CN1313233C (zh) * 2005-10-09 2007-05-02 浙江大学 增力式锁紧钻夹头
CN101041187B (zh) * 2006-03-24 2012-06-13 山东威达机械股份有限公司 手动锁紧钻夹头

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5378056B2 (ja) * 2009-04-30 2013-12-25 ユキワ精工株式会社 チャック装置

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JPH0716808B2 (ja) * 1987-07-21 1995-03-01 ユキワ精工株式会社 工具用チャック
US5573254A (en) * 1989-12-11 1996-11-12 Power Tool Holders Incorporated Non-impact keyless chuck
JPH0647606A (ja) * 1991-09-12 1994-02-22 Jacobs Japan Inc ツールチャック
JPH05301107A (ja) * 1991-11-11 1993-11-16 Jacobs Japan Inc ツールチャック
DE4416224C1 (de) * 1994-05-07 1995-11-23 Metabowerke Kg Schlüsselloses Spannfutter
EP0785041B1 (de) * 1996-01-17 2001-02-28 Röhm GmbH Bohrfutter
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US6390481B1 (en) * 2000-03-10 2002-05-21 Power Tool Holders Incorporated Locking chuck
EP1170079B2 (de) 2000-07-03 2010-10-06 Röhm GmbH Bohrfutter
US6517088B1 (en) * 2000-08-08 2003-02-11 Rohm Gmbh Lockable drill chuck
DE20014337U1 (de) * 2000-08-16 2000-12-21 Röhm GmbH, 89567 Sontheim Bohrfutter mit gehärtetem Futterkörper
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CN1217762C (zh) * 2001-06-10 2005-09-07 山东威达机械股份有限公司 自锁钻夹头
CN1220569C (zh) * 2001-06-10 2005-09-28 山东威达机械股份有限公司 自紧钻夹头
US6824141B1 (en) * 2001-08-30 2004-11-30 Yukiwa Seiko Kabushiki Kaisha Chuck device
JP2003071618A (ja) * 2001-08-30 2003-03-12 Yukiwa Seiko Inc チャック装置
US6959931B2 (en) * 2001-08-30 2005-11-01 Yukiwa Seiko Inc. Keyless chuck and associated method
CN2633481Y (zh) * 2003-07-17 2004-08-18 山东威达机械股份有限公司 锁紧式钻夹头

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007028287A1 (fr) * 2005-09-09 2007-03-15 Zhejiang Sanou Machinery Co., Ltd. Mandrin porte-meche a autoverrouillage
CN1313233C (zh) * 2005-10-09 2007-05-02 浙江大学 增力式锁紧钻夹头
CN101041187B (zh) * 2006-03-24 2012-06-13 山东威达机械股份有限公司 手动锁紧钻夹头

Also Published As

Publication number Publication date
WO2005009656A3 (en) 2005-07-21
EP1462196A1 (en) 2004-09-29
WO2005009656A2 (en) 2005-02-03

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20040211

Termination date: 20100325