CN101456086A - Cutter head mechanism for deep hole boring - Google Patents
Cutter head mechanism for deep hole boring Download PDFInfo
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- CN101456086A CN101456086A CNA2009100287513A CN200910028751A CN101456086A CN 101456086 A CN101456086 A CN 101456086A CN A2009100287513 A CNA2009100287513 A CN A2009100287513A CN 200910028751 A CN200910028751 A CN 200910028751A CN 101456086 A CN101456086 A CN 101456086A
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Abstract
一种深孔镗削用刀盘机构,包括旋转刀盘本体(18)和旋转刀盘(17),其特征是在所述的旋转刀盘本体(18)中安装有蜗轮轴(II),蜗轮轴(II)上安装有蜗轮(5),蜗轮(5)与蜗杆(6)相啮合,在主轴(I)上安装有初级齿轮(1)和末级齿轮(10),初级齿轮(1)与第一大齿轮(2)啮合,末级齿轮(10)与第二大齿轮(9)啮合,第一小齿轮(3)与第一行星齿轮(4)啮合,第二小齿轮(8)与第二行星齿轮(7)相啮合并安装在行星轴(III)的两端;大锥齿轮(11)与小锥齿轮(12)啮合,小锥齿轮(12)安装在丝杆(16)的一端上,丝杆(16)上安装有丝杆螺母(15),丝杆螺母(15)与刀具(14)相连。本发明能有效提高大直径、不同形状深孔的镗削加工的加工效率,加工精度稳定,制造成本合理。
A cutterhead mechanism for deep hole boring, comprising a rotary cutterhead body (18) and a rotary cutterhead (17), characterized in that a worm gear shaft (II) is installed in the rotary cutterhead body (18), The worm gear (5) is installed on the worm gear shaft (II), and the worm gear (5) is meshed with the worm (6). The primary gear (1) and the final gear (10) are installed on the main shaft (I), and the primary gear (1 ) meshes with the first large gear (2), the final stage gear (10) meshes with the second large gear (9), the first small gear (3) meshes with the first planetary gear (4), and the second small gear (8 ) meshes with the second planetary gear (7) and is installed at both ends of the planetary shaft (III); the large bevel gear (11) meshes with the small bevel gear (12), and the small bevel gear (12) is installed on the screw rod (16 ) on one end, a screw nut (15) is installed on the screw mandrel (16), and the screw nut (15) links to each other with the cutter (14). The invention can effectively improve the machining efficiency of the boring machining of large-diameter and deep holes of different shapes, has stable machining accuracy and reasonable manufacturing cost.
Description
技术领域 technical field
本发明涉及一种大型回转支承深孔镗削用刀盘,尤其是一种用于高精度大直径锥孔及形状不规则的深孔加工的刀盘机构,具体地说是一种深孔镗削用刀盘机构。The invention relates to a cutterhead for deep hole boring with a large slewing support, in particular to a cutterhead mechanism for high-precision large-diameter tapered holes and irregular-shaped deep hole processing, specifically a deep hole boring tool. Cutter mechanism for cutting.
背景技术 Background technique
众所周知,目前,对于大直径深孔及锥孔加工中普遍使用镗削加工,随着直径的加大和行程(孔深)的加大,镗刀杆的刚性很难得到保证,很容易导致颤振现象的发生,影响大直径及不规则深孔镗削的加工效率和加工精度,对此,目前,除了加大镗刀杆的直径外,尚无好的解决手段。As we all know, at present, boring is widely used in the machining of large-diameter deep holes and tapered holes. With the increase of diameter and stroke (hole depth), it is difficult to ensure the rigidity of the boring tool bar, which can easily lead to chatter The occurrence of the phenomenon will affect the machining efficiency and machining accuracy of large diameter and irregular deep hole boring. For this, at present, there is no good solution except to increase the diameter of the boring bar.
发明内容 Contents of the invention
本发明的目的是针对目前对于大直径深孔及不规则深孔加工中因镗刀杆刚性不足的问题,设计一种能在镗削过程中任意改变径向进刀量因而可加工出各种不规则内孔的、刚性好的深孔镗削用刀盘机构。The purpose of the present invention is to design a boring bar that can arbitrarily change the amount of radial feed in the boring process so as to process various Cutter mechanism for deep hole boring with irregular bore and good rigidity.
本发明的技术方案是:Technical scheme of the present invention is:
一种深孔镗削用刀盘机构,包括与机床主轴箱相连的旋转刀盘本体18和旋转刀盘17,机床主轴I位于旋转刀盘本体18中,旋转刀盘17安装在机床主轴I伸出旋转刀盘本体18的一端上,其特征是在所述的旋转刀盘本体18中安装有与机床主轴I平行的蜗轮轴II,蜗轮轴II上安装有蜗轮5,蜗轮5与蜗杆6相啮合,蜗杆6与蜗杆驱动装置相连;在主轴I上、蜗轮5的两边分别安装有初级齿轮1和末级齿轮10,末级齿轮10与大锥齿轮11为双联齿轮;初级齿轮1与安装在蜗轮轴II一端的第一大齿轮2啮合,末级齿轮10与安装在蜗轮轴II另一端的第二大齿轮9啮合,第一大齿轮2与第一小齿轮3为双联齿轮,第二大齿轮9与第二小齿轮8为双联齿轮,第一小齿轮3与第一行星齿轮4啮合,第二小齿轮8与第二行星齿轮7相啮合,第一行星齿轮4与第二行星齿轮7分别安装在穿过蜗轮5的行星轴III的两端,行星轴III位于蜗轮轴II的一侧并与其平行;大锥齿轮11与小锥齿轮12啮合,小锥齿轮12安装在丝杆16的一端上,丝杆16安装在旋转刀盘17中,丝杆16上安装有丝杆螺母15,丝杆螺母15与刀具14相连,刀具14的导向端安装在刀架导轨13中,导架导轨13安装在旋转刀盘17的端面上。A cutter head mechanism for deep hole boring, comprising a rotary
所述的丝杆螺母15与刀具的连接还可采用以下机构得以实现,即将丝杆螺母15直接与只能作直线移动的滑块相连,刀具14与滑块相连,滑块安装在刀架导轨13中,导架导轨13安装在旋转刀盘17的端面上。The connection between the
此外行星轮的传动机构还可采用以下方法加以实现:所述的初级齿轮1与安装在蜗轮轴II一端的第一大齿轮2啮合,末级齿轮10与安装在蜗轮轴II另一端的第二大齿轮9啮合,第一大齿轮2直接与第一行星齿轮4啮合,第二大齿轮9直接与第二行星齿轮7相啮合,第一行星齿轮4与第二行星齿轮7分别安装在穿过蜗轮5的行星轴III的两端,行星轴III位于蜗轮轴II的一侧并与其平行。In addition, the transmission mechanism of the planetary gear can also be realized by the following method: the primary gear 1 meshes with the first large gear 2 installed at one end of the worm shaft II, and the
所述的蜗杆驱动装置为调速电机、无级或有级变速装置等。The worm driving device is a speed-regulating motor, a stepless or stepped transmission device, and the like.
本发明的有益效果:Beneficial effects of the present invention:
本发明能有效提高大直径、不同形状深孔的镗削加工的加工效率,加工精度稳定,制造成本合理,结构简单,制造安装方便。利用本发明的刀盘机构,可加工孔径为600mm~1500mm,孔深可达2000mm。The invention can effectively improve the machining efficiency of the boring machining of large-diameter and deep holes of different shapes, has stable machining accuracy, reasonable manufacturing cost, simple structure and convenient manufacturing and installation. Utilizing the cutter head mechanism of the present invention, the hole diameter that can be processed is 600mm-1500mm, and the hole depth can reach 2000mm.
通过对本发明的蜗杆驱动进行适当的控制,本发明既能加工圆柱面内孔,还能加工锥面及各种不规则形状(可通过数控编程控制驱动蜗杆的调速电机的输出速度实现)的内孔。By properly controlling the drive of the worm of the present invention, the present invention can not only process the inner hole of the cylindrical surface, but also process the conical surface and various irregular shapes (which can be realized by controlling the output speed of the speed-regulating motor driving the worm by numerical control programming). Bore.
附图说明 Description of drawings
图1是本发明的刀盘机构结构原理示意图。Fig. 1 is a schematic diagram of the structural principle of the cutter head mechanism of the present invention.
图2是本发明的加工原理示意图。Fig. 2 is a schematic diagram of the processing principle of the present invention.
图2中19为机床床身,20为工作台,21为工件,22为机床主轴箱。Among Fig. 2, 19 is the bed of a machine tool, 20 is a workbench, 21 is a workpiece, and 22 is a spindle box of a machine tool.
具体实施方式 Detailed ways
下面结合附图和实例对本发明作进一步的说明。The present invention will be further described below in conjunction with accompanying drawings and examples.
如图1所示。As shown in Figure 1.
一种深孔镗削用刀盘机构,包括与机床主轴箱相连的旋转刀盘本体18和旋转刀盘17,机床主轴I位于旋转刀盘本体18中,旋转刀盘17安装在机床主轴I伸出旋转刀盘本体18的一端上,在所述的旋转刀盘本体18中安装有与机床主轴I平行的蜗轮轴II,蜗轮轴II上安装有蜗轮5,蜗轮5与蜗杆6相啮合,蜗杆6与蜗杆驱动装置相连,蜗杆驱动装置可采用调速电机、无级变速装置或有级变速装置,并可实现数控或编程控制;在主轴I上、蜗轮5的两边分别安装有初级齿轮1和末级齿轮10,末级齿轮10与大锥齿轮11为双联齿轮;初级齿轮1与安装在蜗轮轴II一端的第一大齿轮2啮合,末级齿轮10与安装在蜗轮轴II另一端的第二大齿轮9啮合,第一大齿轮2与第一小齿轮3为双联齿轮,第二大齿轮9与第二小齿轮8为双联齿轮,第一小齿轮3与第一行星齿轮4啮合,第二小齿轮8与第二行星齿轮7相啮合,第一行星齿轮4与第二行星齿轮7分别安装在穿过蜗轮5的行星轴III的两端,行星轴III位于蜗轮轴II的一侧并与其平行;大锥齿轮11与小锥齿轮12啮合,小锥齿轮12安装在丝杆16的一端上,丝杆16安装在旋转刀盘17中,丝杆16上安装有丝杆螺母15,丝杆螺母15与刀具14相连,刀具14的导向端安装在刀架导轨13中,导架导轨13安装在旋转刀盘17的端面上。如图1所示。A cutter head mechanism for deep hole boring, comprising a rotary
具体实施时,所述的丝杆螺母15与刀具的连接还可采用以下机构得以实现,即将丝杆螺母15直接与只能作直线移动的滑块相连,刀具14与滑块相连,滑块安装在刀架导轨13中,导架导轨13安装在旋转刀盘17的端面上。During specific implementation, the connection between the
此外,在安装空间许可的情况下,行星轮的传动机构还可采用以下方法加以实现:所述的初级齿轮1与安装在蜗轮轴II一端的第一大齿轮2啮合,末级齿轮10与安装在蜗轮轴II另一端的第二大齿轮9啮合,使第一大齿轮2直接与第一行星齿轮4啮合,第二大齿轮9直接与第二行星齿轮7相啮合,第一行星齿轮4与第二行星齿轮7分别安装在穿过蜗轮5的行星轴III的两端,行星轴III位于蜗轮轴II的一侧并与其平行。In addition, if the installation space permits, the transmission mechanism of the planetary gear can also be realized by the following method: the primary gear 1 is meshed with the first large gear 2 installed at one end of the worm shaft II, and the
本发明的旋转刀盘本体18通过法兰盘与机床主轴箱22连接固定不动,如图2所示,机床主轴I由主电机拖动,直接带动旋转刀盘17转动,实现镗孔刀14的回转运动,蜗杆6由调速电机驱动,实现镗孔刀14的径向进给运动。The rotary
调速电机(或其它的有级、无级驱动装置,下同)不工作时,主电机输给机床主轴的动力分为两路,一路直接带动旋转刀盘17转动,使安装在刀架导轨13上的刀具14(镗孔刀)做回转运动;另一路则通过定轴齿轮1、2、3与行星齿轮4、7及定轴齿轮8、9、10的传动,带动大锥齿轮11、小锥齿轮12,此时,大锥齿轮与机床主轴同步转动,而小锥齿轮的转动是由大锥齿轮与机床主轴之间的转速差所驱动,在转速差为零的情况下,小锥齿轮不产生回转运动,也就是小锥齿轮12和丝杆16只有绕机床主轴轴线的转动,无自转,因而刀具14(刀架及丝杆螺母15)无径向进给运动。When the speed-regulating motor (or other stepless and stepless driving devices, the same below) is not working, the power delivered by the main motor to the machine tool spindle is divided into two routes, one of which directly drives the
调速电机工作时,动力经蜗杆6、蜗轮5,带动行星齿轮4、7绕蜗轮轴II公转,与机床主轴I的动力合成,同时产生行星齿轮4、7绕行星轮系轴的自转,使系统形成合成运动。此时,大锥齿轮11与机床主轴I产生转速差,驱动小锥齿轮12转动,从而带动丝杆16转动,通过丝杆螺母15,形成镗孔刀具14的径向进给运动。When the speed-regulating motor is working, the power passes through the worm 6 and the worm gear 5 to drive the
通过旋转刀盘17旋转运动,镗孔刀具14的径向进给运动和工件(工作台、见图2)的轴向进给运动,采用数控技术可以实现镗刀不同连续径向进给运动与工件(工作台)不同连续轴向进给运动合成,以满足大型回转支承的不同形状深孔的镗削加工。Through the rotary motion of the
上面所述的实例仅仅是本发明的优选实施方式的描述,并非对本发明的构思和范围进行限定,在不脱离本发明设计构思前提下,本领域中普通工程技术人员对本发明的技术方案作出的各种变型和改进,均应落入本发明的保护范围。The examples described above are only descriptions of preferred implementations of the present invention, and are not intended to limit the concept and scope of the present invention. Under the premise of not departing from the design concept of the present invention, ordinary engineers and technicians in the field made the technical solutions of the present invention Various modifications and improvements should fall within the protection scope of the present invention.
本发明未涉及部分均与现有技术相同或可采用现有技术加以实现。The parts not involved in the present invention are the same as the prior art or can be realized by adopting the prior art.
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102145391A (en) * | 2011-04-04 | 2011-08-10 | 兰州理工大学 | Boring spindle device |
CN102179550A (en) * | 2011-04-22 | 2011-09-14 | 宝鸡石油机械有限责任公司 | Multi-mechanism compound automatic feeding expanded head and processing method of component end surface |
CN103111847A (en) * | 2011-11-17 | 2013-05-22 | 蓬莱万寿机械有限公司 | Multifunctional numerically-controlled machine tool |
CN103978237A (en) * | 2014-05-28 | 2014-08-13 | 通裕重工股份有限公司 | Boring cutter device and step deep-hole transition arc machining method |
CN107838478A (en) * | 2017-05-21 | 2018-03-27 | 晋江市佳卫斯锁业有限公司 | A kind of aluminium alloy drilling equipment for building |
CN107838477A (en) * | 2017-05-21 | 2018-03-27 | 晋江市佳卫斯锁业有限公司 | A kind of aluminum alloy materials installation drilling equipment for building |
CN109663946A (en) * | 2019-01-25 | 2019-04-23 | 东方电气集团东方汽轮机有限公司 | A kind of gas turbine sealing surface of seat processing portable numerical control boring equipment and application |
CN111842991A (en) * | 2020-08-04 | 2020-10-30 | 西安陕鼓动力股份有限公司 | Large-scale double-speed double-cutter-head radial feeding device |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201329434Y (en) * | 2009-01-12 | 2009-10-21 | 南京工业大学 | Cutter mechanism for deep hole boring |
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2009
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102145391A (en) * | 2011-04-04 | 2011-08-10 | 兰州理工大学 | Boring spindle device |
CN102145391B (en) * | 2011-04-04 | 2012-10-10 | 兰州理工大学 | Boring spindle device |
CN102179550A (en) * | 2011-04-22 | 2011-09-14 | 宝鸡石油机械有限责任公司 | Multi-mechanism compound automatic feeding expanded head and processing method of component end surface |
CN103111847A (en) * | 2011-11-17 | 2013-05-22 | 蓬莱万寿机械有限公司 | Multifunctional numerically-controlled machine tool |
CN103978237A (en) * | 2014-05-28 | 2014-08-13 | 通裕重工股份有限公司 | Boring cutter device and step deep-hole transition arc machining method |
CN107838478A (en) * | 2017-05-21 | 2018-03-27 | 晋江市佳卫斯锁业有限公司 | A kind of aluminium alloy drilling equipment for building |
CN107838477A (en) * | 2017-05-21 | 2018-03-27 | 晋江市佳卫斯锁业有限公司 | A kind of aluminum alloy materials installation drilling equipment for building |
CN109663946A (en) * | 2019-01-25 | 2019-04-23 | 东方电气集团东方汽轮机有限公司 | A kind of gas turbine sealing surface of seat processing portable numerical control boring equipment and application |
CN109663946B (en) * | 2019-01-25 | 2020-04-17 | 东方电气集团东方汽轮机有限公司 | Portable numerical control boring equipment for machining sealing surface of valve seat of gas turbine and application |
CN111842991A (en) * | 2020-08-04 | 2020-10-30 | 西安陕鼓动力股份有限公司 | Large-scale double-speed double-cutter-head radial feeding device |
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