CN101767210A - 利用电动推杆驱动自动换挡式床头箱 - Google Patents

利用电动推杆驱动自动换挡式床头箱 Download PDF

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CN101767210A
CN101767210A CN200910220747A CN200910220747A CN101767210A CN 101767210 A CN101767210 A CN 101767210A CN 200910220747 A CN200910220747 A CN 200910220747A CN 200910220747 A CN200910220747 A CN 200910220747A CN 101767210 A CN101767210 A CN 101767210A
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push rod
electric pushrod
fork
head stock
variable
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CN101767210B (zh
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赵宏安
黄付中
李培宏
王成华
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General Technology Group Dalian Machine Tool Co ltd
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Dalian Machine-Tool Group Co Ltd
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Abstract

本发明公开了一种床头箱,特别是一种利用电动推杆驱动自动换挡式床头箱。包括箱体(1)和安装在箱体(1)上的变速驱动轴(8),其特征在于:所述的变速驱动轴(8)的外端头与摆杆(9)的一端固定连接,摆杆(9)的另一端与电动推杆中的推杆(7)的外端头转动连接,电动推杆的壳体(11)上的安装端(19)与箱体(1)之间转动连接。在换挡时可通过电控装置驱动电动推杆使变速驱动轴转动,从而带动拨叉拨动变速移动齿轮移动达到变速的目的,十分方便,无需停机,效率高,减小了操作者的劳动强度,整体结构简单,降低了制造成本,动作灵活可靠,准确无误。

Description

利用电动推杆驱动自动换挡式床头箱
技术领域
本发明涉及一种床头箱,特别是一种利用电动推杆驱动自动换挡式床头箱。
背景技术
经济型数控车床的床头箱换挡机构,传统操纵方法大都采用手动三挡操作方式,即通过手动旋转外置操纵手柄带动凸轮旋转至设定的挡位,由凸轮同时驱动两组联杆、操纵轴和拨叉,带动花键轴上的两组并联齿轮进行轴向位移,从而实现配对齿轮的啮合及脱离进行挡位变换,带动主轴作高、中、低速转动。这种手动换挡方式,有以下几方面缺点,其一是需停机换挡,工作效率低;二是机械传动环节多,故障率高,摩擦阻力大,人工操作费力;三是凸轮轨道槽加工复杂,精度不易保证;四是手柄座机械定位机构复杂,易滑移过位,造成齿轮啮合宽度不足。
发明内容
本发明的目的是提供一种换挡时无需停机、效率高、结构简单、易操作、精度高、换挡灵活准确的利用电动推杆驱动自动换挡式床头箱,克服现有技术的不足。
本发明的利用电动推杆驱动自动换挡式床头箱,包括箱体1和安装在箱体1上的变速驱动轴8,其特征在于:所述的变速驱动轴8的外端头与摆杆9的一端固定连接,摆杆9的另一端与电动推杆中的推杆7的外端头转动连接,电动推杆的壳体11上的安装端19与箱体1之间转动连接。
本发明的利用电动推杆驱动自动换挡式床头箱,其中所述的变速驱动轴8的外头接有摆杆轴17,摆杆轴17与摆杆9之间有销钉18固定连接。
本发明的利用电动推杆驱动自动换挡式床头箱,其中所述的箱体1上螺栓固定有安装盘2,安装盘2与电动推杆的壳体11上的安装端19之间通过销轴3转动连接。
本发明的利用电动推杆驱动自动换挡式床头箱,在换挡时可通过电控装置驱动电动推杆使变速驱动轴转动,从而带动拨叉拨动变速移动齿轮移动达到变速的目的,十分方便,无需停机,效率高,减小了操作者的劳动强度,整体结构简单,降低了制造成本,动作灵活可靠,准确无误。
附图说明
图1是本发明具体实施方式的箱体外部结构示意图;
图2是床头箱内部结构示意图。
具体实施方式
如图1、2所示:1为箱体,在箱体1的内部装有花键形式的变速齿轮轴10、变速移动齿轮16、拨叉轴14、拨叉13、与拨叉13相配的拨杆12、与拨杆12相接的变速驱动轴8等部件,上述为现有技术部分,不再祥述。
由电机4、壳体11、缸体6、推杆7等部件组成的电动推杆为选购件并安装在箱体1的外侧,具体安装结构是:在箱体1上通过螺栓固定有安装盘2,与电动推杆中的壳体11相接的安装端19插在安装盘2上的开口槽内并通过销轴3将安装盘2和安装端19转动连接在一起,使电动推杆与箱体1之间实现转动连接。
电动推杆中的推杆7的外端头通过连接轴10与摆杆9的一端转动连接。
摆杆9的另一端与变速驱动轴8的外端头固定连接,具体连接方式是:摆杆轴17的一端有四方体的状的端头,该端头插入在变速驱动轴8外端头处的凹槽内,摆杆9的端头套装在摆杆轴17上并用销钉18定位紧固。
箱体1中的每个变速驱动轴均配有一套电动推杆机构。
工作时,将电动推杆中的电机导线5与电控装置相接,如需要换挡时,可由电控装置驱动电动推杆动作即可驱动变速驱动轴8转动,从而带动拨杆12、拨叉13动作,由拨叉13拨动变速移动齿轮16移动,即可达到变速的目的,十分方便。

Claims (3)

1.一种利用电动推杆驱动自动换挡式床头箱,包括箱体(1)和安装在箱体(1)上的变速驱动轴(8),其特征在于:所述的变速驱动轴(8)的外端头与摆杆(9)的一端固定连接,摆杆(9)的另一端与电动推杆中的推杆(7)的外端头转动连接,电动推杆的壳体(11)上的安装端(19)与箱体(1)之间转动连接。
2.根据权利要求1所述的利用电动推杆驱动自动换挡式床头箱,其特征在于:所述的变速驱动轴(8)的外头接有摆杆轴(17),摆杆轴(17)与摆杆(9)之间有销钉(18)固定连接。
3.根据权利要求2所述的利用电动推杆驱动自动换挡式床头箱,其特征在于:所述的箱体(1)上螺栓固定有安装盘(2),安装盘(2)与电动推杆的壳体(11)上的安装端(19)之间通过销轴(3)转动连接。
CN2009102207477A 2009-12-15 2009-12-15 利用电动推杆驱动自动换挡式床头箱 Expired - Fee Related CN101767210B (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102166660A (zh) * 2011-04-14 2011-08-31 大连机床集团有限责任公司 利用电动推杆和限位开关进行换挡的主轴箱
CN105414567A (zh) * 2015-12-28 2016-03-23 魏文龙 床头箱能转动的自动机床

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3908492A (en) * 1973-07-16 1975-09-30 M Leon Roskelley Variable speed motor driven machine tool
CN2084680U (zh) * 1990-05-16 1991-09-11 李春涛 电动推拉机构
CN2770864Y (zh) * 2005-02-06 2006-04-12 齐齐哈尔二机床(集团)三明制造有限公司 一种机床主轴自动换档机构
CN201625888U (zh) * 2009-12-15 2010-11-10 大连机床集团有限责任公司 利用电动推杆驱动自动换挡式床头箱

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102166660A (zh) * 2011-04-14 2011-08-31 大连机床集团有限责任公司 利用电动推杆和限位开关进行换挡的主轴箱
CN105414567A (zh) * 2015-12-28 2016-03-23 魏文龙 床头箱能转动的自动机床

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