WO2019006809A1 - 一种数控仿形铣床动力头 - Google Patents

一种数控仿形铣床动力头 Download PDF

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Publication number
WO2019006809A1
WO2019006809A1 PCT/CN2017/095728 CN2017095728W WO2019006809A1 WO 2019006809 A1 WO2019006809 A1 WO 2019006809A1 CN 2017095728 W CN2017095728 W CN 2017095728W WO 2019006809 A1 WO2019006809 A1 WO 2019006809A1
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Prior art keywords
slider
clamping
milling machine
power head
numerical control
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PCT/CN2017/095728
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English (en)
French (fr)
Inventor
周娟
施伟
顾德泉
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南通德鑫数控机床有限公司
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Publication of WO2019006809A1 publication Critical patent/WO2019006809A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/02—Driving main working members
    • B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B23Q3/08—Work-clamping means other than mechanically-actuated
    • B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated

Definitions

  • the invention relates to the field of numerical control copy milling machines, in particular to a power head of a numerical control copy milling machine.
  • the camshaft machining special machine is a special machine tool for the internal combustion engine manufacturing industry. At present, the processing of the camshaft cam surface relies on the traditional mechanical profile machining, and there is no complete automatic equipment for this process. In the process of mechanical mastering, it is very inconvenient to change the variety due to the shape and precision of the mold. Because of the manual single processing, the efficiency is low, the product quality is poor, the rigidity of the machine tool is poor, the processing speed cannot be fast, and the scrap rate is high.
  • CNC power head milling machine power head clamping mechanism is a mechanism to ensure the normal processing of various types of camshafts, and must have sufficient clamping force and rigidity.
  • the object of the present invention is to solve the deficiencies in the prior art and to provide a power head of a numerical control copy milling machine with high processing precision.
  • a power head of a numerical control copy milling machine comprises a power head body of a numerical control milling machine, a clamping mechanism, a connecting mechanism and a clamping driving mechanism, wherein:
  • the clamping mechanism comprises a bearing seat, a needle bearing, a slider seat, a first sliding block, a second sliding block, a stroke piston, a piston rod and a thimble, wherein the bearing seat is fixed on the power head body of the numerical control milling machine, and the needle bearing Inserted in the bearing housing and sealed between the front end surface and the bearing housing by a sealing cover, the first slider and the second sliding block each have a sliding portion and a clamping portion, and the sliding portion has an inclined sliding groove therein.
  • the first slider and the second slider are symmetrically overlapped, the sliding portion is located in the needle bearing, and the two sliding grooves are disposed in an intersection, and the sliding block is embedded in the needle bearing behind the sliding portion, the stroke
  • the piston is located in the slider seat, and two intersecting sliders at the front end of the stroke piston are inserted in the intersecting chutes, and the piston moves forward and backward with the stroke. Causing or releasing the first slider and the second slider, the thimble being mounted on the front end surface of the stroke piston, the piston rod being mounted on the rear end of the stroke piston;
  • the connecting mechanism comprises an oil connecting sleeve, an adjusting ring and a prismatic pin, wherein the oil connecting sleeve is fixed to a rear end surface of the stroke piston, and the adjusting ring is sleeved outside the oil connecting sleeve, and the prism pin wears the oil in the oil Inside the connecting sleeve, one end is fixed to the slider seat, and the other end is connected with the clamping drive mechanism;
  • the clamping drive mechanism is an oil cylinder, and the cylinder sleeve end surface of the cylinder is fixed with the prismatic pin to realize the fixing with the connection mechanism, and the locking link in the oil cylinder is connected with the oil connection sleeve, and the locking link is interposed
  • a control rod is connected with the piston rod, and a control panel is arranged at the tail of the control rod. The control rod is moved forward by moving the control panel, and the piston rod and the stroke piston are moved forward, so that the first slider and the second slider are clamped. At the same time, the thimble sticks out to achieve the clamping of the workpiece.
  • the clamping portion of the first slider and the second slider is provided with a clamping head.
  • a dust cover is disposed between the thimble and the stroke piston.
  • a numerical control copy milling machine power head disclosed by the present invention has the following beneficial effects:
  • the two pistons are matched with the special structure of the stroke piston to realize the clamping and releasing operation of the two sliders.
  • the control rod is connected to control the stroke piston to move forward or backward to realize the clamping or loosening operation, and at the same time control the thimble extension. Or retract.
  • the whole structure realizes the continuous processing of cam faces with different specifications of camshafts, which changes the existing old process of machining only one kind of camshaft with the master, and only uses one turning tool to process one cam face, the efficiency is too low, the product Poor quality, poor rigidity, the use of this large torque power head clamping mechanism, can process various types of camshafts, high precision, good product consistency, high efficiency, saving tooling and master, reducing costs, deep Favored by the majority of customers.
  • Figure 1 is a schematic view of the structure of the present invention
  • Figure 2 is a structural view of the clamping mechanism
  • Figure 3 is a structural view of the first slider
  • Figure 4 is a structural view of the stroke piston.
  • the clamping mechanism comprises a bearing seat 2, a needle bearing 3, a slider seat 4, a first slider 5, a second slider 6, a stroke piston 7, a piston rod 8 and a thimble 9, wherein the bearing housing 2 is fixed in a numerical control On the power head body 1 of the milling machine, the needle bearing 3 is embedded in the bearing housing 2, and the front end surface and the bearing housing are sealed by the sealing cover 10.
  • the first slider 5 and the second slider 6 each have a sliding portion.
  • the clamping portion end is provided with a clamping head 14, and the first sliding member 5 and the second sliding member 6 are symmetrically overlapped and slide
  • the portion is located in the needle bearing, and the two chutes 13 are arranged in a cross, the slider seat 4 is embedded in the needle bearing 3 behind the sliding portion, the stroke piston 7 is located in the slider seat, and the stroke piston
  • the two intersecting sliders 15 at the front end are inserted into the intersecting chutes 13, and the first slider and the second slider are clamped or loosened as the stroke piston 7 moves back and forth, and the thimble 9 is mounted on the stroke.
  • a dust cover 16 is disposed between the front end surface of the piston and the stroke piston, and the piston rod 8 is mounted at the rear end of the stroke piston.
  • the connecting mechanism includes an oil passage connecting sleeve 17, an adjusting ring 18, and a prismatic pin 19.
  • the oil connecting sleeve 17 is fixed to the rear end surface of the stroke piston 7, and the adjusting ring 18 is sleeved outside the oil connecting sleeve 17.
  • the prismatic pin 19 is worn in the oil passage connecting sleeve, one end is fixed to the slider seat, and the other end is connected to the clamp drive mechanism.
  • the clamping drive mechanism is a cylinder 20, and the cylinder end surface of the cylinder 20 is fixed to the prismatic pin to realize the fixing with the connecting mechanism, and the locking link 21 in the cylinder is connected with the oil connecting sleeve, the locking Connecting rod 21
  • a control rod 22 is inserted into the piston rod 8 , and a control panel 23 is disposed at the tail of the control rod 22 .
  • the control rod 22 is moved forward by rotating the control panel 23 , and the piston rod 8 and the stroke piston 7 are moved forward, thereby making the first The slider and the second slider are clamped, and the thimble is extended to achieve clamping of the workpiece.

Abstract

一种数控仿形铣床动力头，包括数控铣床动力头本体（1），夹紧机构，连接机构及夹紧驱动机构，其中：夹紧机构安装在铣床动力头本体（1）上实现对加工件的夹持及松开，连接机构实现夹紧机构与夹紧驱动机构的连接，夹紧驱动机构实现夹紧机构的驱动操作。数控仿形铣床动力头能加工各种型号的凸轮轴，精度高，产品一致性好，效率高，节省了工装和靠模，降低了成本。

Description

一种数控仿形铣床动力头 技术领域
本发明涉及数控仿形铣床领域，特别涉及一种数控仿形铣床动力头。
背景技术
凸轮轴加工专机是内燃机制造行业的专用机床，目前，凸轮轴凸轮面的加工全部依赖于传统的机械靠模加工，尚无此道工序加工的成套全自动设备。在机械靠模加工的过程中，受靠模的形状和精度影响，换品种非常不方便。因为手动单个加工所以效率低、产品质量一致性差，机床刚性差，加工速度不能快，废品率高。
数控仿形铣床动力头夹紧机构是确保各种型号凸轮轴正常加工不可省的机构，必须要有足够的夹紧力和刚性。
发明内容
发明目的：本发明的目的是为了解决现有技术中的不足，提供了一种加工精确度高的数控仿形铣床动力头。
技术方案：本发明所述的一种数控仿形铣床动力头，包括数控铣床动力头本体，夹紧机构，连接机构及夹紧驱动机构，其中：
所述夹紧机构包括轴承座，滚针轴承，滑块座，第一滑块，第二滑块，行程活塞，活塞杆及顶针，其中轴承座固定在数控铣床动力头本体上，滚针轴承嵌装在轴承座内且前端面与轴承座之间通过密封盖密封设置，所述第一滑块及第二滑块均具有滑动部和夹持部，且滑动部内具有倾斜的滑槽，所述第一滑块与第二滑块对称重叠，滑动部位于滚针轴承内，且两个滑槽呈交叉设置，所述滑块座嵌装在滚针轴承内位于滑动部后方，所述行程活塞位于滑块座内，且行程活塞前端两个交叉的滑块穿插在交叉的滑槽内，随着行程活塞的前后移动， 使得第一滑块及第二滑块实现夹持或松开，所述顶针安装在行程活塞前端面，所述活塞杆安装在行程活塞后端；
所述连接机构包括油路连接套，调整圈，棱形销，所述油路连接套与行程活塞后端面固定，所述调整圈套在油路连接套外部，所述棱形销穿差在油路连接套内，一端与滑块座固定，另一端与夹紧驱动机构连接；
所述夹紧驱动机构为油缸，该油缸的缸套端面与棱形销固定，实现与连接机构的固定，油缸内的锁紧连杆与油路连接套连接，所述锁紧连杆内穿插有控制杆与活塞杆连接，且控制杆尾部设有控制盘，通过移动控制盘使得控制杆前移，带动活塞杆以及行程活塞前移，进而使得第一滑块及第二滑块夹紧，同时顶针伸出，实现对工件的夹持。
作为优选，所述第一滑块及第二滑块的夹持部端部装有夹持头。
作为优选，所述顶针与行程活塞之间设有防尘盖。
有益效果：本发明所揭示的一种数控仿形铣床动力头，其具有如下有益效果：
采用两个滑块配合特殊结构的行程活塞实现两个滑块的夹紧及松开操作，通过控制杆连接控制行程活塞前移或后退，实现夹紧或松开的操作，同时控制顶针伸出或缩回。
整个结构实现多种不同规格凸轮轴凸轮面的连续加工，改变了现有的用靠模只能加工一种凸轮轴的老工艺，且只用车刀逐一对凸轮面加工，效率太低，产品质量差，刚性差，使用这种大力矩的动力头夹紧机构，能加工各种型号的凸轮轴，精度高，产品一致性好，效率高，节省了工装和靠模，降低了成本，深受广大客户的青睐。
附图说明
图1为本发明的结构示意图；
图2为夹持机构的结构图；
图3为第一滑块的结构图；
图4为行程活塞的结构图。
具体实施方式
下面结合附图和具体实施方式对本发明作进一步说明。
如图1～4所示，本发明所揭示的一种数控仿形铣床动力头，包括数控铣床动力头本体1，夹紧机构，连接机构及夹紧驱动机构，其中：
所述夹紧机构包括轴承座2，滚针轴承3，滑块座4，第一滑块5，第二滑块6，行程活塞7，活塞杆8及顶针9，其中轴承座2固定在数控铣床动力头本体1上，滚针轴承3嵌装在轴承座2内且前端面与轴承座之间通过密封盖10密封设置，所述第一滑块5及第二滑块6均具有滑动部11和夹持部12，且滑动部11内具有倾斜的滑槽13，所述夹持部端部装有夹持头14，所述第一滑块5与第二滑块6对称重叠，滑动部位于滚针轴承内，且两个滑槽13呈交叉设置，所述滑块座4嵌装在滚针轴承3内位于滑动部后方，所述行程活塞7位于滑块座内，且行程活塞前端两个交叉的滑块15穿插在交叉的滑槽13内，随着行程活塞7的前后移动，使得第一滑块及第二滑块实现夹持或松开，所述顶针9安装在行程活塞前端面，且与行程活塞之间设有防尘盖16，所述活塞杆8安装在行程活塞后端。
所述连接机构包括油路连接套17，调整圈18，棱形销19，所述油路连接套17与行程活塞7后端面固定，所述调整圈18套在油路连接套17外部，所述棱形销19穿差在油路连接套内，一端与滑块座固定，另一端与夹紧驱动机构连接。
所述夹紧驱动机构为油缸20，该油缸20的有缸套端面与棱形销固定，实现与连接机构的固定，油缸内的锁紧连杆21与油路连接套连接，所述锁紧连杆21 内穿插有控制杆22与活塞杆8连接，且控制杆22尾部设有控制盘23，通过转动控制盘23使得控制杆22前移，带动活塞杆8以及行程活塞7前移，进而使得第一滑块及第二滑块夹紧，同时顶针伸出，实现对工件的夹持。
以上所述，仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制，虽然本发明已以较佳实施例揭露如上，然而并非用以限定本发明，任何熟悉本专业的技术人员，在不脱离本发明技术方案范围内，当可利用上述揭示的技术内容作出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本发明技术方案的范围内。

Claims (3)

  1. 一种数控仿形铣床动力头，其特征在于：包括数控铣床动力头本体，夹紧机构，连接机构及夹紧驱动机构，其中：
    所述夹紧机构包括轴承座，滚针轴承，滑块座，第一滑块，第二滑块，行程活塞，活塞杆及顶针，其中轴承座固定在数控铣床动力头本体上，滚针轴承嵌装在轴承座内且前端面与轴承座之间通过密封盖密封设置，所述第一滑块及第二滑块均具有滑动部和夹持部，且滑动部内具有倾斜的滑槽，所述第一滑块与第二滑块对称重叠，滑动部位于滚针轴承内，且两个滑槽呈交叉设置，所述滑块座嵌装在滚针轴承内位于滑动部后方，所述行程活塞位于滑块座内，且行程活塞前端两个交叉的滑块穿插在交叉的滑槽内，随着行程活塞的前后移动，使得第一滑块及第二滑块实现夹持或松开，所述顶针安装在行程活塞前端面，所述活塞杆安装在行程活塞后端；
    所述连接机构包括油路连接套，调整圈，棱形销，所述油路连接套与行程活塞后端面固定，所述调整圈套在油路连接套外部，所述棱形销穿差在油路连接套内，一端与滑块座固定，另一端与夹紧驱动机构连接；
    所述夹紧驱动机构为油缸，该油缸的缸套端面与棱形销固定，实现与连接机构的固定，油缸内的锁紧连杆与油路连接套连接，所述锁紧连杆内穿插有控制杆与活塞杆连接，且控制杆尾部设有控制盘，通过移动控制盘使得控制杆前移，带动活塞杆以及行程活塞前移，进而使得第一滑块及第二滑块夹紧，同时顶针伸出，实现对工件的夹持。
  2. 根据权利要求1所述的一种数控仿形铣床动力头，其特征在于：所述第一滑块及第二滑块的夹持部端部装有夹持头。
  3. 根据权利要求1所述的一种数控仿形铣床动力头，其特征在于：所述顶针与行程活塞之间设有防尘盖。
PCT/CN2017/095728 2017-07-05 2017-08-02 一种数控仿形铣床动力头 WO2019006809A1 (zh)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004009211A (ja) * 2002-06-07 2004-01-15 Komatsu Machinery Corp カムシャフトまたはクランクシャフトの加工方法
CN201061830Y (zh) * 2007-06-05 2008-05-21 重庆跃进机械厂 双导轨、内凹大曲率数控凸轮轴铣床
CN102069227A (zh) * 2010-11-24 2011-05-25 大连机床集团有限责任公司 组合机床用铣削动力头
CN102274998A (zh) * 2011-07-22 2011-12-14 胡益萍 全数控凸轮轴铣床
CN202411508U (zh) * 2011-12-30 2012-09-05 泉州鲤城福辉汽车配件有限公司 数控凸轮轴铣床
CN203156120U (zh) * 2013-03-19 2013-08-28 南通德鑫数控机床有限公司 数控凸轮轴仿形铣床

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2695171Y (zh) * 2004-03-15 2005-04-27 杨文国 螺纹中心机夹臂式刀库选刀回转机构
CN201006605Y (zh) * 2006-12-25 2008-01-16 东风汽车有限公司设备制造厂 立车用工件自动上下料夹持机械爪
JP4823097B2 (ja) * 2007-02-15 2011-11-24 三菱重工業株式会社 工作機械のアタッチメント
CN202292205U (zh) * 2011-10-14 2012-07-04 浙江西菱台钻制造有限公司 一种铣端面打中心孔机床的夹具
JP2015066674A (ja) * 2013-10-01 2015-04-13 ファナック株式会社 工作機械における主軸と工具ホルダーとの装着部構造
CN204076288U (zh) * 2014-09-02 2015-01-07 安川首钢机器人有限公司 一种夹紧装置和机器人系统
CN106271753B (zh) * 2016-08-11 2018-07-10 宁波圣龙浦洛西凸轮轴有限公司 凸轮轴端部中心孔加工工装

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004009211A (ja) * 2002-06-07 2004-01-15 Komatsu Machinery Corp カムシャフトまたはクランクシャフトの加工方法
CN201061830Y (zh) * 2007-06-05 2008-05-21 重庆跃进机械厂 双导轨、内凹大曲率数控凸轮轴铣床
CN102069227A (zh) * 2010-11-24 2011-05-25 大连机床集团有限责任公司 组合机床用铣削动力头
CN102274998A (zh) * 2011-07-22 2011-12-14 胡益萍 全数控凸轮轴铣床
CN202411508U (zh) * 2011-12-30 2012-09-05 泉州鲤城福辉汽车配件有限公司 数控凸轮轴铣床
CN203156120U (zh) * 2013-03-19 2013-08-28 南通德鑫数控机床有限公司 数控凸轮轴仿形铣床

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