CN201456149U - 双刃双翼三尖钻 - Google Patents

双刃双翼三尖钻 Download PDF

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Publication number
CN201456149U
CN201456149U CN200920119222XU CN200920119222U CN201456149U CN 201456149 U CN201456149 U CN 201456149U CN 200920119222X U CN200920119222X U CN 200920119222XU CN 200920119222 U CN200920119222 U CN 200920119222U CN 201456149 U CN201456149 U CN 201456149U
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double
cutting edge
shaped
manufactured
wing
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Expired - Fee Related
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CN200920119222XU
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张华�
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Abstract

本实用新型公开了一种双刃双翼三尖钻。旨在提供一种结构简单、钻孔阻力小的双刃双翼三尖钻。它包括由刀体和刀柄,在刀体前端的中心制有钻尖、刀体上制有两条主切削刃、副切削刃、螺旋沟槽,在每条副切削刃的前端制有高出主切削刃的圆周切削刃,其特征是在副切削刃的表面制有顺副切削刃旋转的排屑槽。该实用新型的优点是:由于副切削刃的表面制有排屑槽,在钻孔时,附着在副切削刃表面的木屑经排屑槽排出,排屑通畅,钻出的孔壁光滑。

Description

双刃双翼三尖钻
技术领域
本实用新型属于木材加工工具,特别涉及木工钻孔用的双刃双翼三尖钻。
背景技术
目前所用的木工钻,大多是由螺尖、两条主、副切削刃、刀体及双头螺旋沟槽组成。但由于木工钻切削量大、进给速度快,排屑量大,在副切削刃的表面会存在许多木屑,造成钻削阻力大、钻体发热,工作效率低的现象。
实用新型内容
本实用新型的目的是提供一种结构简单、钻孔阻力小的双刃双翼三尖钻。
为了达到上述要求,本实用新型是通过以下技术方案实现的:它包括由刀体和刀柄,在刀体前端的中心制有钻尖、刀体上制有两条主切削刃、副切削刃、螺旋沟槽,在每条副切削刃的前端制有高出主切削刃的圆周切削刃,其特征是在副切削刃的表面制有顺副切削刃旋转的排屑槽。
该双刃双翼三尖钻的优点是:由于副切削刃的表面制有排屑槽,在钻孔时,附着在副切削刃表面的木屑经排屑槽排出,排屑通畅,钻出的孔壁光滑。
附图说明
图1是双刃双翼三尖钻的主视图;图2是图1的放大左视图。
图中:1、刀体;2、刀柄;3、钻尖;4、主切削刃;5、副切削刃;6、螺旋沟槽;7、圆周切削刃;8、排屑槽;9、圆弧定位沟槽。
具体实施方式
下面结合附图和具体实施例对本实用新型作进一步的描述。
它包括由刀体1和刀柄2,在刀体1前端的中心制有为四棱锥的钻尖3、刀体1上制有两条主切削刃4、副切削刃5、螺旋沟槽6,在每条副切削刃5的前端制有高出主切削刃4的圆周切削刃7,在副切削刃5的表面制有顺副切削刃5旋转的排屑槽8。刀柄2正六棱柱,在刀柄2上制有周向的圆弧定位沟槽9。

Claims (4)

1.双刃双翼三尖钻,它包括由刀体和刀柄,在刀体前端的中心制有钻尖、刀体上制有两条主切削刃、副切削刃、螺旋沟槽,在每条副切削刃的前端制有高出主切削刃的圆周切削刃,其特征是在副切削刃的表面制有顺副切削刃旋转的排屑槽。
2.根据权利要求1所述的双刃双翼三尖钻,其特征在于所述的刀柄为正六棱柱。
3.根据权利要求1所述的双刃双翼三尖钻,其特征在于所述的刀柄上制有周向的圆弧定位沟槽。
4.根据权利要求1所述的双刃双翼三尖钻,其特征在于所述的钻尖为四棱锥。
CN200920119222XU 2009-05-05 2009-05-05 双刃双翼三尖钻 Expired - Fee Related CN201456149U (zh)

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CN200920119222XU CN201456149U (zh) 2009-05-05 2009-05-05 双刃双翼三尖钻

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CN200920119222XU CN201456149U (zh) 2009-05-05 2009-05-05 双刃双翼三尖钻

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CN201456149U true CN201456149U (zh) 2010-05-12

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106113171A (zh) * 2016-08-17 2016-11-16 江苏飞达钻头股份有限公司 木工修光、扩孔钻
CN106869807A (zh) * 2017-03-15 2017-06-20 华北科技学院 一种提高煤层钻孔孔壁光滑性的装置与方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106113171A (zh) * 2016-08-17 2016-11-16 江苏飞达钻头股份有限公司 木工修光、扩孔钻
CN106869807A (zh) * 2017-03-15 2017-06-20 华北科技学院 一种提高煤层钻孔孔壁光滑性的装置与方法

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GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Zhang Hua

Assignor: Jiashan Urus Tools Co., Ltd.

Contract record no.: 2010330002116

Denomination of utility model: Double-edged double-wing and three-tip drill

Granted publication date: 20100512

License type: Exclusive License

Record date: 20101105

EE01 Entry into force of recordation of patent licensing contract

Assignee: Jiashan Urus Tools Co., Ltd.

Assignor: Zhang Hua

Contract record no.: 2010330002116

Denomination of utility model: Double-edged double-wing and three-tip drill

Granted publication date: 20100512

License type: Exclusive License

Record date: 20101105

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Granted publication date: 20100512

Termination date: 20140505