WO2018227316A1 - 一种环模线切割机床及其加工方法 - Google Patents

一种环模线切割机床及其加工方法 Download PDF

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WO2018227316A1
WO2018227316A1 PCT/CN2017/000406 CN2017000406W WO2018227316A1 WO 2018227316 A1 WO2018227316 A1 WO 2018227316A1 CN 2017000406 W CN2017000406 W CN 2017000406W WO 2018227316 A1 WO2018227316 A1 WO 2018227316A1
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wire
axis
axis mechanism
servo motor
machine tool
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PCT/CN2017/000406
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English (en)
French (fr)
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黄展源
蔡汉生
郑栩栩
孟超
洪福
谢创鸿
吴梓帆
陈楚庞
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巨轮智能装备股份有限公司
巨轮中德机器人智能制造有限公司
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Publication of WO2018227316A1 publication Critical patent/WO2018227316A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
    • B23H7/02—Wire-cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
    • B23H7/26—Apparatus for moving or positioning electrode relatively to workpiece; Mounting of electrode
    • B23H7/30—Moving electrode in the feed direction

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  • the invention relates to a ring die cutting machine and a processing method thereof.
  • the object of the present invention is to provide a ring-shaped wire cutting machine capable of processing a spiral, having high processing precision, simple structure, low manufacturing cost, economical and practical, and easy to operate and use, and a processing method thereof.
  • the present invention relates to a ring die cutting machine comprising an X-axis mechanism, a Y-axis mechanism, a W-axis mechanism and a bed, the W-axis mechanism is mounted on the right end of the bed, and the Y-axis mechanism is mounted on the bed through the Y-axis table On the left end of the body, the X-axis mechanism is mounted on the Y-axis mechanism through the X-axis table; the W-axis mechanism includes a rotary table, a drive shaft, a flange, a servo motor and a casing, and the drive shaft is erected through the front and rear bearing units In the middle rotation, the right end of the drive shaft is driven by a servo motor through a flange, and the left end of the drive shaft is connected to the rotary table; the X-axis mechanism includes a molybdenum wire, a guide wheel, a fixed wire guide, an adjustable wire guide, a wire frame column, and a storage Wir
  • the Y-axis mechanism is driven by the servo motor of the Y-axis table, and moves relative to the bed through the ball screw and the guide rail;
  • the X-axis mechanism is driven by the servo motor of the X-axis table, and the Y-axis mechanism is passed through the ball screw and the guide rail. mobile.
  • the wire barrel holder reciprocates relative to the base of the wire barrel through the rack and pinion mechanism in the base of the wire barrel.
  • a wire rack electrical box is arranged on the wire frame column.
  • the invention relates to a processing method of a ring die cutting machine tool, and the wire cutting numerical control system controls the servo motor of the Y-axis table to switch the control of the servo motor of the W-axis rotary table through the transfer.
  • the rotary cutting CNC system is processed on the servo motor controlled position of the Y-axis table, and the machining is completed and then transferred to the wire cutting CNC system.
  • the step rotation of the turntable is performed on the gear position controlled by the servo motor of the W-axis rotary table, and then returned to the line cutting numerical control system to cut the next line on the servo motor control position of the Y-axis table.
  • the rotary-wire cutting numerical control system when the workpiece is processed by the X-axis mechanism and the W-axis mechanism, the rotary-wire cutting numerical control system performs the step-by-step rotation on the gear position controlled by the servo motor of the W-axis rotary table, and then, Then the cutting process of the next line is performed.
  • the invention has the beneficial effects that the spiral can be processed, the machining precision is high, the normal curved surface of the ring part or the mold, the spiral curve and the circumferential indexing are processed, the structure is simple, the manufacturing cost is low, the economy is practical, and the operation and use are easy.
  • the invention has the advantages that the spiral can be processed, the processing precision is high, the structure is simple, the manufacturing cost is low, the economy is practical, and the operation and use are easy.
  • FIG. 1 is a schematic perspective view of an embodiment of the present invention
  • Figure 2 is a front view showing the structure of the embodiment of Figure 1;
  • Figure 3 is a schematic left side view of the embodiment of Figure 1.
  • the embodiment is a ring die cutting machine tool comprising an X-axis mechanism, a Y-axis mechanism, a W-axis mechanism and a bed 20, and the W-axis mechanism is mounted on the right end of the bed, and the W-axis mechanism
  • the lower side is provided with an oil storage tray 21, and the Y-axis mechanism is mounted on the left end of the bed through the Y-axis shaft table 19, the X-axis mechanism is mounted on the Y-axis mechanism through the X-axis table 18; the Y-axis mechanism is operated by the Y-axis
  • the servo motor of the table is driven by the ball screw and the guide rail to move relative to the bed; the X-axis mechanism is driven by the servo motor of the X-axis table, and moves relative to the Y-axis mechanism through the ball screw and the guide rail;
  • the W-axis mechanism includes the rotary table 7 , the drive shaft 8, the flange 9, the servo motor 10 and the outer
  • the wire frame column 13 is provided with a wire frame electric box 12;
  • the wire barrel is composed of a storage tube, a gear pair, a transmission mechanism, a reversing device and an insulating member, and the storage barrel motor and the storage
  • the drum shaft is connected and driven to drive the molybdenum wire to move at a certain linear velocity, and the molybdenum wire is neatly arranged on the storage tube.
  • the invention has three axes of X-axis, Y-axis and W-axis, and each axis mechanism is driven by a respective servo motor, which can be converted into an X-axis mechanism and a Y-axis mechanism by a wire cutting numerical control system or converted into an X-axis mechanism and W
  • the shaft mechanism is linked.
  • the invention relates to a processing method of a ring die cutting machine tool, and the wire cutting numerical control system can control the servo motor of the Y axis worktable by converting and controlling the control of the servo motor of the W axis rotary worktable, thereby converting
  • the X-axis mechanism and the Y-axis mechanism are linked or converted into an X-axis mechanism and a W-axis mechanism.
  • the processing method of the present invention when the workpiece is processed by the X-axis mechanism and the Y-axis mechanism, the adapter cable
  • the cutting CNC system is in the gear position controlled by the servo motor of the Y-axis table, and the machining is completed and then transferred to the wire cutting numerical control system to perform the step rotation of the turntable on the gear position controlled by the servo motor of the W-axis rotary table. Then, return to the wire cutting CNC system to cut the next line on the servo motor control position of the Y-axis table.
  • the program and processing are:
  • the first W axis is operated separately, that is, the W axis is rotated by an angle to the required cutting position; processing: single step when executed, automatically stopped after threading, threading;
  • the second Y-axis and X-axis linkage program is to follow the X-axis to take a certain distance from the Y-axis and take a certain distance to the mold.
  • the cutting line is programmed. Processing: single-step walking during execution, automatic stop after running, unloading ;
  • the third W axis is operated separately, that is, the W axis is rotated by an angle to the required next cutting position; processing: single step when executed, automatically stopped after threading, threading;
  • the rotary-wire cutting numerical control system when the workpiece is processed by the X-axis mechanism and the W-axis mechanism, the rotary-wire cutting numerical control system performs the step-by-step rotation on the gear position controlled by the servo motor of the W-axis rotary table, and then, Then the cutting process of the next line is performed.
  • the first W axis is operated separately, that is, the W axis is rotated by an angle to the required cutting position; processing: single step when executed, automatically stopped after threading, threading;
  • the second linkage program of the W-axis and the X-axis is to program the mold spiral according to the X-axis and the angle of the C-axis.
  • the machining single-step walking during execution, automatic stop after the completion, unloading ;
  • the third W axis is operated separately, that is, the W axis is rotated by an angle to the required next cutting position; processing: single step when executed, automatically stopped after threading, threading;

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Turning (AREA)

Abstract

一种环模线切割机床及其加工方法，W轴机构安装在床身（20）的右端上，Y轴机构安装在床身（20）的左端上，X轴机构安装在Y轴机构上；W轴机构的传动轴（8）通过前后两个轴承单元架设在外壳（11）中回转，传动轴（8）的右端通过法兰（9）由伺服马达（10）驱动，传动轴（8）的左端连接回转工作台（7）；X轴机构的丝架立柱（13）和储丝桶底座（17）安装在X轴工作台（7）上，固定走丝架（3）安装在丝架立柱（13）上，可调走丝架（4）可在丝架立柱（13）上下移动而构成调整走丝架间距的结构；钼丝收绕于储丝桶（14）中并通过可调走丝架（4）延伸至回转工作台（7）进行线切割，储丝桶（14）通过储丝桶电机（15）驱动后转动，同时，储丝桶支架（16）相对储丝桶底座（17）往复运动；线切割数控系统对Y轴工作台的伺服电机的控制可通过转接而对W轴回转工作台的伺服电机的控制进行转换。这种机床可加工螺旋线、加工精度高、结构简单、制造成本低、经济实用、操作使用容易。

Description

一种环模线切割机床及其加工方法 技术领域
本发明涉及一种环模线切割机床及其加工方法。
背景技术
对于环形零件或模具的法向曲面、螺旋曲线以及圆周分度的加工，目前主要是以五轴加工中心加工，因为刀具直径的限制，法向曲线、螺旋线和分度线的宽度无法做到毫米级以下。例如，要求在内外精加工好的环形模具上等分加工法向细小缝隙，要求缝隙平滑且不能将环模断开，目前市场上还找不到合适的机床可以加工。
发明内容
本发明的目的是针对上述问题，提供一种可加工螺旋线、加工精度高、结构简单、制造成本低、经济实用、操作使用容易的环模线切割机床及其加工方法。
本发明，一种环模线切割机床，包括X轴机构、Y轴机构、W轴机构和床身，W轴机构安装在床身的右端上，Y轴机构通过Y轴轴工作台安装在床身的左端上，X轴机构通过X轴工作台安装在Y轴机构上；W轴机构包括回转工作台、传动轴、法兰、伺服马达和外壳，传动轴通过前后两个轴承单元架设在外壳中回转，传动轴的右端通过法兰由伺服马达驱动，传动轴的左端连接回转工作台；X轴机构包括钼丝、导轮、固定走丝架、可调走丝架、丝架立柱、储丝桶、储丝桶支架和储丝桶底座；丝架立柱和储丝桶底座安装在X轴工作台上，固定走丝架安装在丝架立柱上，可调走丝架可在丝架立柱上下移动而构成调整走丝架间距的结构；钼丝收绕于储丝桶中并通过可调走丝架延伸至回转工作台进行线切割，储丝桶通过储丝桶电机驱动后转动，同时，储丝桶支架相对储丝桶底座往复运动。
本发明，Y轴机构由Y轴工作台的伺服电机驱动，通过滚珠丝杆及导轨相对床身移动；X轴机构由X轴工作台的伺服电机驱动，通过滚珠丝杆及导轨相对Y轴机构移动。
本发明，储丝桶支架相对储丝桶底座通过储丝桶底座中的齿轮齿条机构而往复运动。
本发明，丝架立柱上设置有走丝架电箱。
本发明，一种环模线切割机床的加工方法，线切割数控系统对Y轴工作台的伺服电机的控制可通过转接而对W轴回转工作台的伺服电机的控制进行转换。
本发明的加工方法，由X轴机构、Y轴机构联动加工工件时，转接线切割数控系统在对Y轴工作台的伺服电机控制的档位上，加工完成再转接至线切割数控系统在对W轴回转工作台的伺服电机控制的档位上进行转台的跳步旋转，然后，再返回至线切割数控系统对Y轴工作台的伺服电机控制的档位上进行下一条线的切割。
本发明的加工方法，由X轴机构、W轴机构联动加工工件时，转接线切割数控系统在对W轴回转工作台的伺服电机控制的档位上，加工完成再进行跳步旋转，然后，再进行下一条线的切割加工。
本发明的有益效果是：可加工螺旋线，加工精度高，适用于环形零件或模具的法向曲面、螺旋曲线以及圆周分度的加工，结构简单，制造成本低，经济实用，操作使用容易。
本发明，具有可加工螺旋线、加工精度高、结构简单、制造成本低、经济实用、操作使用容易的优点。
下面实施例结合附图说明对本发明作进一步的说明。
附图说明
图1是本发明的一个实施例的立体结构示意图；
图2是图1实施例的主视结构示意图；
图3是图1实施例的左视结构示意图。
图中，1、钼丝；2、导轮；3、固定走丝架；4、可调走丝架；5、工件；6、夹具；7、回转工作台；8、传动轴；9、法兰；10、伺服马达；11、外壳；12、走丝架电箱；13、丝架立柱；14、储丝桶；15、储丝桶电机；16、储丝桶支架；17、储丝桶底座；18、X轴工作台；19、Y轴工作台；20、 床身；21、储油盘。
具体实施方式
参照图1至图3，本实施例是一种环模线切割机床，包括X轴机构、Y轴机构、W轴机构和床身20，W轴机构安装在床身的右端上，W轴机构的下侧设置储油盘21，Y轴机构通过Y轴轴工作台19安装在床身的左端上，X轴机构通过X轴工作台18安装在Y轴机构上；Y轴机构由Y轴工作台的伺服电机驱动，通过滚珠丝杆及导轨相对床身移动；X轴机构由X轴工作台的伺服电机驱动，通过滚珠丝杆及导轨相对Y轴机构移动；W轴机构包括回转工作台7、传动轴8、法兰9、伺服马达10和外壳11，传动轴通过前后两个轴承单元架设在外壳中回转，传动轴的右端通过法兰由伺服马达驱动，传动轴的左端连接回转工作台，回转工作台通过夹具6安装固定工件5；X轴机构包括钼丝1、导轮2、固定走丝架3、可调走丝架4、丝架立柱13、储丝桶14、储丝桶支架16和储丝桶底座17；丝架立柱和储丝桶底座安装在X轴工作台上，固定走丝架安装在丝架立柱上，可调走丝架可在丝架立柱上下移动而构成调整走丝架间距的结构；钼丝收绕于储丝桶中并通过可调走丝架延伸至回转工作台进行线切割，储丝桶通过储丝桶电机15驱动后转动，同时，储丝桶支架16相对储丝桶底座17通过储丝桶底座中的齿轮齿条机构而往复运动；丝架立柱13上设置有走丝架电箱12；储丝桶是由储丝筒、齿轮副、传动机构、换向装置和绝缘件等部件组成，储丝桶电机和储丝筒转轴连接驱动，用来带动钼丝按一定线速度移动，并将钼丝整齐地排绕在储丝筒上。
本发明，为X轴、Y轴和W轴共三个轴，每轴机构由各自的伺服电机驱动，可由线切割数控系统转换为X轴机构和Y轴机构联动或转换成X轴机构和W轴机构联动。
本发明，一种环模线切割机床的加工方法，线切割数控系统对Y轴工作台的伺服电机的控制可通过转接而对W轴回转工作台的伺服电机的控制进行转换，即可转换成X轴机构和Y轴机构联动或转换成X轴机构和W轴机构联动。
本发明的加工方法，由X轴机构、Y轴机构联动加工工件时，转接线 切割数控系统在对Y轴工作台的伺服电机控制的档位上，加工完成再转接至线切割数控系统在对W轴回转工作台的伺服电机控制的档位上进行转台的跳步旋转，然后，再返回至线切割数控系统对Y轴工作台的伺服电机控制的档位上进行下一条线的切割。
程序及加工为：
程序：第一条W轴的单独运行即W轴旋转某角度至所需的起割位置；加工：执行时单段走，走完自动停下，穿丝；
将W轴与Y轴的转接开关开至Y轴档；
程序：第二条Y轴和X轴的联动程序即按X轴走某段距离Y轴走某段距离的模具要求切割线编程；加工：执行时单段走，走完自动停下，卸丝；
将W轴与Y轴的转接开关开至W轴档位；
程序：第三条W轴的单独运行即W轴旋转某角度至所需的下一起割位置；加工：执行时单段走，走完自动停下，穿丝；
再执行第二条程序和下一个循环。
本发明的加工方法，由X轴机构、W轴机构联动加工工件时，转接线切割数控系统在对W轴回转工作台的伺服电机控制的档位上，加工完成再进行跳步旋转，然后，再进行下一条线的切割加工。
以加工螺旋线为例，程序及加工为：
程序：第一条W轴的单独运行即W轴旋转某角度至所需的起割位置；加工：执行时单段走，走完自动停下，穿丝；
程序：第二条W轴和X轴的联动程序即按X轴走某段距离、C轴转多少角度的模具螺旋线要求编程；加工：执行时单段走，走完自动停下，卸丝；
程序：第三条W轴的单独运行即W轴旋转某角度至所需的下一起割位置；加工：执行时单段走，走完自动停下，穿丝；
再执行第二条程序和下一个循环。

Claims (7)

  1. 一种环模线切割机床，其特征在于：包括X轴机构、Y轴机构、W轴机构和床身(20)，所述W轴机构安装在床身的右端上，所述Y轴机构通过Y轴轴工作台(19)安装在床身的左端上，所述X轴机构通过X轴工作台(18)安装在Y轴机构上；所述W轴机构包括回转工作台(7)、传动轴(8)、法兰(9)、伺服马达(10)和外壳(11)，所述传动轴通过前后两个轴承单元架设在外壳中回转，所述传动轴的右端通过法兰由伺服马达驱动，所述传动轴的左端连接回转工作台；所述X轴机构包括钼丝(1)、导轮(2)、固定走丝架(3)、可调走丝架(4)、丝架立柱(13)、储丝桶(14)、储丝桶支架(16)和储丝桶底座(17)；所述丝架立柱和储丝桶底座安装在X轴工作台上，所述固定走丝架安装在丝架立柱上，所述可调走丝架可在丝架立柱上下移动而构成调整走丝架间距的结构；所述钼丝收绕于储丝桶中并通过可调走丝架延伸至回转工作台进行线切割，储丝桶通过储丝桶电机(15)驱动后转动，同时，储丝桶支架相对储丝桶底座往复运动。
  2. 根据权利要求1所述的环模线切割机床，其特征在于：所述Y轴机构由Y轴工作台的伺服电机驱动，通过滚珠丝杆及导轨相对床身移动；所述X轴机构由X轴工作台的伺服电机驱动，通过滚珠丝杆及导轨相对Y轴机构移动。
  3. 根据权利要求2所述的环模线切割机床，其特征在于：所述储丝桶支架(16)相对储丝桶底座(17)通过储丝桶底座中的齿轮齿条机构而往复运动。
  4. 根据权利要求3所述的环模线切割机床，其特征在于：所述丝架立柱(13)上设置有走丝架电箱(12)。
  5. 一种权利要求1至4任一所述的环模线切割机床的加工方法，其特征在于：线切割数控系统对Y轴工作台的伺服电机的控制可通过转接而对W轴回转工作台的伺服电机的控制进行转换。
  6. 根据权利要求5所述的环模线切割机床的加工方法，其特征在于：由X轴机构、Y轴机构联动加工工件时，转接线切割数控系统在对Y轴工作台的伺服电机控制的档位上，加工完成再转接至线切割数控系统在对W轴回转工作台的伺服电机控制的档位上进行转台的跳步旋转，然后，再返回至线切割数控系统对Y轴工作台的伺服电机控制的档位上进行下一条线的切割。
  7. 根据权利要求5所述的环模线切割机床的加工方法，其特征在于：由X轴机构、W轴机构联动加工工件时，转接线切割数控系统在对W轴回转工作台的伺服电机控制的档位上，加工完成再进行跳步旋转，然后，再进行下一条线的切割加工。
PCT/CN2017/000406 2017-06-13 2017-06-27 一种环模线切割机床及其加工方法 WO2018227316A1 (zh)

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