CN105328290A - A wire cutting fixture - Google Patents

A wire cutting fixture Download PDF

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Publication number
CN105328290A
CN105328290A CN201510937520.XA CN201510937520A CN105328290A CN 105328290 A CN105328290 A CN 105328290A CN 201510937520 A CN201510937520 A CN 201510937520A CN 105328290 A CN105328290 A CN 105328290A
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CN
China
Prior art keywords
base
workpiece
positioning pin
workpiece blank
hole
Prior art date
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Pending
Application number
CN201510937520.XA
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Chinese (zh)
Inventor
赵昕
张清华
袁益新
韩伟
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AVIC Aerospace Life Support Industries Ltd
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AVIC Aerospace Life Support Industries Ltd
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Publication date
Application filed by AVIC Aerospace Life Support Industries Ltd filed Critical AVIC Aerospace Life Support Industries Ltd
Priority to CN201510937520.XA priority Critical patent/CN105328290A/en
Publication of CN105328290A publication Critical patent/CN105328290A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23HWORKING 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
    • B23H11/00Auxiliary apparatus or details, not otherwise provided for
    • B23H11/003Mounting of workpieces, e.g. working-tables

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

The invention relates to a linear cutting tool fixture which comprises a base, a pressing device and a movable positioning pin, wherein a working hole for a cutting line to pass through is formed in the base; the upper part of the movable positioning pin is used for being inserted into a shaft hole of the workpiece blank and tightly matched with the shaft hole, the lower part of the movable positioning pin is used for being inserted into the working hole and tightly matched with the working hole, and the pressing device is used for pressing the workpiece blank on the bottom plate. The invention has simple structure, convenient and fast use and convenient manufacture, can quickly replace processed products and can realize the accurate positioning and compaction of workpiece blanks.

Description

一种线切割工装夹具A wire cutting fixture

技术领域technical field

本发明属于机械工装夹具领域,具体涉及线切割工装夹具技术领域,特别具有轴孔的胚料的线切割机工装夹具。The invention belongs to the field of mechanical tooling fixtures, in particular to the technical field of wire cutting tooling fixtures, in particular to the tooling fixtures of wire cutting machine for blanks with shaft holes.

背景技术Background technique

线切割技术是利用移动的金属线作工具电极,并在金属线和工件间通以脉冲电流,利用脉冲放电的腐蚀作用对工件进行切割的技术。Wire cutting technology is a technology that uses a moving metal wire as a tool electrode, and passes a pulse current between the metal wire and the workpiece, and uses the corrosion effect of the pulse discharge to cut the workpiece.

目前的线切割技术中,线切割工装夹具对胚料的定位较难,如图1、图2所示的方形工件胚料1,它具有小孔1-1、轴孔1-2及线切割的穿线孔1-3,在此工件胚料1上要加工与小孔1-1、轴孔1-2同心的外形2-1及与外形2-1形成“8”字形的外形的工件2(如图3、4所示),在采用线切割机进行加工时存在着以下问题:In the current wire cutting technology, it is difficult to locate the blank by the wire cutting jig. As shown in Figure 1 and Figure 2, the square workpiece blank 1 has small holes 1-1, shaft holes 1-2 and wire cutting The threading hole 1-3 of the workpiece, on this workpiece blank 1, the shape 2-1 that is concentric with the small hole 1-1 and the shaft hole 1-2 and the workpiece 2 that forms an "8" shape with the shape 2-1 (As shown in Figure 3, 4), there are following problems when adopting wire cutting machine to process:

由于定位困难,小孔1-1、轴孔1-2与外形2-1的同轴度很难保证,不合格品比较多,在造成工件损失的同时,也使生产效率低下。Due to the difficulty in positioning, it is difficult to ensure the coaxiality of the small hole 1-1, the shaft hole 1-2 and the shape 2-1, and there are many defective products, which causes loss of workpieces and low production efficiency.

发明内容Contents of the invention

本发明所要解决的技术问题是:针对上述存在的问题,提供一种结构简单,使用方便快捷,制造方便,且能够快速地更换加工产品的线切割专用工装夹具,采用该线切割专用工装夹具,可以实现工件胚料的准确定位和压紧。The technical problem to be solved by the present invention is: in view of the above-mentioned existing problems, provide a kind of simple in structure, convenient and quick to use, easy to manufacture, and can replace the processing product fast and special jig for wire cutting, adopt this special jig for wire cutting, Accurate positioning and pressing of workpiece blanks can be realized.

本发明解决上述技术问题所采用的技术方案是:一种线切割工装夹具,它包括底座、压紧装置和活动定位销,所述底座上开有供切割线穿过的工作孔;活动定位销的上部用于插入工件胚料的轴孔内并与轴孔紧配合,活动定位销的下部用于插入所述工作孔内并与工作孔紧配合,所述的压紧装置用于将工件胚料压紧在底板上。The technical solution adopted by the present invention to solve the above-mentioned technical problems is: a wire cutting fixture, which includes a base, a pressing device and a movable positioning pin, and the base is provided with a working hole for the cutting wire to pass through; the movable positioning pin The upper part of the movable positioning pin is used to insert into the shaft hole of the workpiece blank and fit tightly with the shaft hole, the lower part of the movable positioning pin is used to insert into the working hole and tightly fit with the working hole, and the pressing device is used to press the workpiece blank The material is pressed against the bottom plate.

上述方案中,线切割工装夹具还包括固定定位销,固定定位销固定在底座上,固定定位销用于定位工件胚料的定位端。In the above solution, the wire cutting fixture also includes a fixed positioning pin fixed on the base, and the fixed positioning pin is used for positioning the positioning end of the workpiece blank.

上述方案中,线切割工装夹具还包括手柄,手柄固定设置在活动定位销的下端。In the above solution, the wire cutting fixture also includes a handle, and the handle is fixedly arranged at the lower end of the movable positioning pin.

本发明与现有技术相比具有如下有益效果:Compared with the prior art, the present invention has the following beneficial effects:

1、由于底座上设置有活动定位销与工件胚料的轴孔配合定位,这就使每一个工件胚料在底座上的位置准确,保证了执行线切割程序加工外形的精度。压紧装置使工件胚料压紧在底座上,使工件胚料在加工过程中不能产生位移。1. Since the base is equipped with a movable positioning pin to coordinate with the shaft hole of the workpiece blank, this makes the position of each workpiece blank on the base accurate, ensuring the accuracy of the shape of the wire cutting program. The pressing device presses the workpiece blank on the base so that the workpiece blank cannot be displaced during processing.

2、同时设置有固定定位销与工件胚料的一个端面配合,这就使每一个工件胚料在底座上的位置统一且唯一。2. At the same time, a fixed positioning pin is provided to cooperate with one end surface of the workpiece blank, which makes the position of each workpiece blank on the base uniform and unique.

3、活动定位销的下端设有手柄,在压紧装置压紧工件胚料后,方便通过手柄将活动定位销从底座下方抽出。3. A handle is provided at the lower end of the movable positioning pin. After the pressing device compresses the workpiece blank, it is convenient to pull the movable positioning pin out from the bottom of the base through the handle.

附图说明Description of drawings

图1是工件胚料结构示意图。Figure 1 is a schematic diagram of the workpiece blank structure.

图2是图1的左视图。Fig. 2 is a left side view of Fig. 1 .

图3是切割成形的工件结构示意图。Fig. 3 is a schematic diagram of the structure of the cut and shaped workpiece.

图4是图3的左视图。Fig. 4 is a left side view of Fig. 3 .

图5是本发明实施例结构示意图。Fig. 5 is a schematic structural diagram of an embodiment of the present invention.

图6是图5的俯视图。FIG. 6 is a top view of FIG. 5 .

图7是图5的左视图。Fig. 7 is a left side view of Fig. 5 .

图中:1工件胚料、1-1小孔、1-2轴孔、1-3穿线孔、1-4定位端、2工件、2-1大弧外形、2-2小弧外形、3底座、4活动定位销、5固定定位销、6并紧螺母、7并紧螺栓、8支撑螺栓、9压板、10压紧螺母、11工作孔、12手柄。In the figure: 1 workpiece blank, 1-1 small hole, 1-2 shaft hole, 1-3 threading hole, 1-4 positioning end, 2 workpiece, 2-1 large arc shape, 2-2 small arc shape, 3 Base, 4 movable locating pins, 5 fixed locating pins, 6 tightening nuts, 7 tightening bolts, 8 support bolts, 9 pressure plates, 10 compression nuts, 11 working holes, 12 handles.

具体实施方式detailed description

下面结合附图实施例对本发明作进一步详述:The present invention will be described in further detail below in conjunction with accompanying drawing embodiment:

为了使本发明的目的、技术方案及优点更加清楚明白,以下结合附图及实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

图5、图6、图7所示的线切割工件夹具,它包括底座3、压紧装置、固定定位销5、手柄12和活动定位销4,所述底座上开有供切割线穿过的工作孔11;活动定位销4的上部用于插入工件胚料1的轴孔1-2内并与轴孔紧配合,活动定位销的下部用于插入所述工作孔11内并与工作孔11紧配合,所述的压紧装置用于将工件胚料1压紧在底板3上。固定定位销5固定在底座3上,固定定位销5用于定位工件胚料的定位端1-4。手柄12固定设置在活动定位销4的下端。The wire cutting workpiece fixture shown in Fig. 5, Fig. 6 and Fig. 7 includes a base 3, a pressing device, a fixed positioning pin 5, a handle 12 and a movable positioning pin 4, and the base is provided with a hole for the cutting wire to pass through. Working hole 11; the upper part of the movable locating pin 4 is used to insert into the shaft hole 1-2 of the workpiece blank 1 and closely fit with the shaft hole, and the lower part of the movable locating pin is used to insert into the working hole 11 and fit with the working hole 11 Tight fit, the pressing device is used to press the workpiece blank 1 on the bottom plate 3 . The fixed positioning pin 5 is fixed on the base 3, and the fixed positioning pin 5 is used for positioning the positioning end 1-4 of the workpiece blank. The handle 12 is fixedly arranged on the lower end of the movable positioning pin 4 .

本实施例的工作原理为:The working principle of this embodiment is:

先将工件胚料1的轴孔1-2可置于底座上,并与活动定位轴4配合,工件胚料1的1-4定位端面可置于底座3上的固定定位销5配合,将工件胚料1在底座3定位好后,调整压紧装置的支撑螺栓8和并紧螺栓7,保证压板9能平行压置在工件胚料1上表面,此时,旋紧并紧螺母6,保证并紧螺栓7不能转动,在压板9可靠压住工件胚料1上表面后,旋紧压紧螺母10使压板9将工件胚料1压紧在底板3上,此时,通过手柄12将活动定位销4从底板3下方抽出。将线切割金属线从穿线孔穿过,进行常规对心操作,执行线切割程序加工外形按A-B-C-D-E-F-G-H-I路径加工,线切割金属线在工作孔内切割工件胚料1,切割完成后,将加工出来的工件2从工件胚料1中取出。First, the shaft hole 1-2 of the workpiece blank 1 can be placed on the base, and cooperate with the movable positioning shaft 4, and the 1-4 positioning end surface of the workpiece blank 1 can be placed on the fixed positioning pin 5 on the base 3 to cooperate, and the After the workpiece blank 1 is positioned on the base 3, adjust the supporting bolt 8 and the tightening bolt 7 of the pressing device to ensure that the pressure plate 9 can be placed on the upper surface of the workpiece blank 1 in parallel. At this time, tighten the tightening nut 6, Ensure that the tightening bolt 7 cannot rotate. After the pressure plate 9 reliably presses the upper surface of the workpiece blank 1, tighten the compression nut 10 to make the pressure plate 9 compress the workpiece blank 1 on the bottom plate 3. At this time, the handle 12 will Movable positioning pin 4 is extracted from base plate 3 below. Pass the wire-cutting metal wire through the threading hole, perform conventional centering operations, and execute the wire-cutting program to process the shape according to the path A-B-C-D-E-F-G-H-I. The wire-cutting metal wire cuts the workpiece blank 1 in the working hole. After the cutting is completed, the processed The workpiece 2 is removed from the workpiece blank 1 .

将线切割金属线从穿线孔中抽出,旋松压紧螺母10使压板9从工件胚料1松开,把工件胚料1从底板3上取下,将活动定位销4插回底板3上,把另一个待加工的工件胚料1再次如以上所述方式进行定位、安装、压紧及加工即可。Pull out the wire cutting metal wire from the threading hole, unscrew the compression nut 10 to release the pressure plate 9 from the workpiece blank 1, remove the workpiece blank 1 from the bottom plate 3, and insert the movable positioning pin 4 back on the bottom plate 3 , and another workpiece blank 1 to be processed can be positioned, installed, pressed and processed again as described above.

本夹具不包括将该线切割工件夹具固定在线切割机工作台的压板装置。This fixture does not include the clamping plate device for fixing the wire cutting workpiece fixture to the working table of the wire cutting machine.

Claims (3)

1. a Linear cut frock clamp, is characterized in that: it comprises base, hold down gag and loose pin, described base has the working hole passed for line of cut; The top of loose pin for insert workpiece stock axis hole in and with axis hole tight fit, the bottom of loose pin for insert in described working hole and with working hole tight fit, described hold down gag is for being pressed on base plate by workpiece stock.
2. Linear cut frock clamp as claimed in claim 1, it is characterized in that: it also comprises fixed locating stud, fixed locating stud is fixed on base, and fixed locating stud is used for the positioning end of positioning workpieces stock.
3. Linear cut frock clamp as claimed in claim 1 or 2, it is characterized in that: it also comprises handle, handle is fixedly installed on the lower end of loose pin.
CN201510937520.XA 2015-12-15 2015-12-15 A wire cutting fixture Pending CN105328290A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510937520.XA CN105328290A (en) 2015-12-15 2015-12-15 A wire cutting fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510937520.XA CN105328290A (en) 2015-12-15 2015-12-15 A wire cutting fixture

Publications (1)

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CN105328290A true CN105328290A (en) 2016-02-17

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112872515A (en) * 2021-01-18 2021-06-01 北京亦盛精密半导体有限公司 Linear cutting rapid positioning method and device
CN113275680A (en) * 2021-06-01 2021-08-20 安徽机电职业技术学院 Straight gear linear cutting machining clamp and using method thereof
CN113814501A (en) * 2021-10-20 2021-12-21 东莞市普华精密机械有限公司 Linear cutting tool clamp

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58206321A (en) * 1982-05-25 1983-12-01 Mitsubishi Electric Corp Wire cut discharge machining device
US4647747A (en) * 1984-02-29 1987-03-03 Brother Kogyo Kabushiki Kaisha Arm extending through a work pan of a wire EDM permitting improved arm movement
CN200981158Y (en) * 2006-12-13 2007-11-28 中国第一汽车集团公司 Engine cylinder body chamber clamp
CN101870021A (en) * 2010-06-08 2010-10-27 优德精密工业(昆山)有限公司 Positioning hole jig used in slow-silk thread cutting machine
CN202079560U (en) * 2011-05-09 2011-12-21 芜湖众力底盘系统有限公司 Lining tooling
CN202151741U (en) * 2011-05-19 2012-02-29 株洲南方燃气轮机成套制造安装有限公司 Linear cutting fixture
CN202240587U (en) * 2011-10-09 2012-05-30 贵州詹阳动力重工有限公司 Linear cutting machining clamp for internal spline tooth form of special spline housing
CN203437512U (en) * 2013-07-26 2014-02-19 泰洋光电(惠州)有限公司 Positioning mechanism and stamping die with positioning mechanism
CN205200745U (en) * 2015-12-15 2016-05-04 航宇救生装备有限公司 Wire -electrode cutting frock clamp

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58206321A (en) * 1982-05-25 1983-12-01 Mitsubishi Electric Corp Wire cut discharge machining device
US4647747A (en) * 1984-02-29 1987-03-03 Brother Kogyo Kabushiki Kaisha Arm extending through a work pan of a wire EDM permitting improved arm movement
CN200981158Y (en) * 2006-12-13 2007-11-28 中国第一汽车集团公司 Engine cylinder body chamber clamp
CN101870021A (en) * 2010-06-08 2010-10-27 优德精密工业(昆山)有限公司 Positioning hole jig used in slow-silk thread cutting machine
CN202079560U (en) * 2011-05-09 2011-12-21 芜湖众力底盘系统有限公司 Lining tooling
CN202151741U (en) * 2011-05-19 2012-02-29 株洲南方燃气轮机成套制造安装有限公司 Linear cutting fixture
CN202240587U (en) * 2011-10-09 2012-05-30 贵州詹阳动力重工有限公司 Linear cutting machining clamp for internal spline tooth form of special spline housing
CN203437512U (en) * 2013-07-26 2014-02-19 泰洋光电(惠州)有限公司 Positioning mechanism and stamping die with positioning mechanism
CN205200745U (en) * 2015-12-15 2016-05-04 航宇救生装备有限公司 Wire -electrode cutting frock clamp

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112872515A (en) * 2021-01-18 2021-06-01 北京亦盛精密半导体有限公司 Linear cutting rapid positioning method and device
CN112872515B (en) * 2021-01-18 2022-03-04 北京亦盛精密半导体有限公司 Linear cutting rapid positioning method and device
CN113275680A (en) * 2021-06-01 2021-08-20 安徽机电职业技术学院 Straight gear linear cutting machining clamp and using method thereof
CN113814501A (en) * 2021-10-20 2021-12-21 东莞市普华精密机械有限公司 Linear cutting tool clamp

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