CN103406618A - Three-dimensional numerical control wire-cut electric discharge machine - Google Patents
Three-dimensional numerical control wire-cut electric discharge machine Download PDFInfo
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- CN103406618A CN103406618A CN2013103728425A CN201310372842A CN103406618A CN 103406618 A CN103406618 A CN 103406618A CN 2013103728425 A CN2013103728425 A CN 2013103728425A CN 201310372842 A CN201310372842 A CN 201310372842A CN 103406618 A CN103406618 A CN 103406618A
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Abstract
The invention discloses a three-dimensional numerical control wire-cut electric discharge machine which comprises a machine body, a cross saddle arranged on the machine body and columns fixed on the left side and the right side of the machine body. A connection beam is arranged on the upper portions of the columns on the left side and the right side, a left wire arm guide rail is arranged on the column on the left side, a left wire arm is arranged on the left wire arm guide rail, a right wire arm guide rail is arranged on the column on the right side, a right wire arm is arranged on the right wire arm guide rail, fixed blocks are installed at the upper ends and the lower ends of the left wire arm and the right wire arm, a lead screw is connected onto each fixed block movably, and a lead screw pair is further fixed on the left wire arm and the right wire arm. The machine is simple in structure, three guide wheels are added on the basis of an original common wire-cut machine, a group of ultraviolet (UV) drag plates are added, the winding route of a wire electrode is changed, namely one-step clamping of a workpiece is achieved, cutting of three-dimensional faces is achieved, and the machine is low in cost and easy to use and popularize.
Description
Technical field
The present invention relates to a kind of numerically controlled wire cutting machine, be specifically related to three-dimension numerical controlled WEDM.
Background technology
The general NC electric spark linear cutting machine comprises lathe bed, column, the arm of reaching the standard grade, the arm that rolls off the production line, cross saddle, wire feeder and electrical control gear, in wire feeder, by wire electrode, form a high frequency cutting head in the ，Zai loop, loop that curled hair cylinder, upper lower tumbler form a closed circulation; And on the end of incoming cables of wire electrode, conducting block is set, conducting block connects the high frequency electric source negative pole, make electrode silk ribbon high frequency negative electricity, work piece holder connects the high frequency electric source positive pole, workpiece band high frequency positive electricity, thus between wire electrode and workpiece, galvanic action occurs, thus the wire electrode cut workpiece.
Now, use the cutting method of electric spark linear cutting machine to the 3 D stereo face:
A, use the ordinary lines cutting off machine, turning of work piece or fixture are numerously proofreaded rear cutting tiredly.Be summarised as two kinds of method: a, generally all use repeatedly turning of work piece to clamp again, then proofread method; Limitation is: proofread numerous tiredly, human factor is many, and precision is low, and a few dimension cut surfaces of finished product intersect the each difference of angle, and the clamping accumulated error is large again.B, use the fixture positioning mode, limitation is: check and correction fixture, clamping workpiece are numerous tired and accumulated error is large, and the fixture cost is high.
The limitation of 3 D stereo face type and method is cut in the industry in line cutting now, affects the utilization rate of line cutting in the processing of 3 D stereo face.The filter machining center is examined in the processing of 3 D stereo face mostly.But machining center cutting clout is many, complicated in mechanical structure, the complicated above linked system of four axles, three-dimensional modeling, the complexity of programming, recruitment is expensive, and the machine price is high.
The Control Wire Cut Electrical Discharge cutting processing is almost without cutting processing power, because its working (machining) efficiency is high, reliable and stable, economy and durability, easy to maintenance, allowance is little, machining accuracy is high, can cut superhard workpiece advantages of higher; And recent years, line cutting high frequency process velocity has improved several times; There is again middle wire-moving cutting processing roughness to reduce a lot.As long as solve the cutting method limitation of 3 D stereo face now, the line cutting will improve greatly in the utilization rate of 3 D stereo face processing.Therefore, the wire cutting machine type of the simple laborsaving 3 D stereo of precise cutting again face or the institute that technical matters is machining circle expect.
Summary of the invention
The present invention is directed to the problems referred to above, a kind of numerical control electrospark wire-electrode cutting machine consisted of a plurality of high frequency cutting heads is provided, this numerical control electrospark wire-electrode cutting machine is provided with a plurality of high frequency cutting heads, the workpiece clamped one time, path by conversion wire electrode wrapping wire, carry out respectively parallel cutting, cut sth. askew cut, perpendicular cuts realizes three-dimensional cutting, a plurality of workpiece of also can be simultaneously the x direction being arranged or stacked workpiece be processed.
The present invention addresses the above problem the technical scheme adopted: a kind of three-dimension numerical controlled electric spark linear cutting machine, comprise lathe bed, be located at cross saddle and the column that is fixed on the left and right sides on lathe bed on lathe bed, column top, the described left and right sides is provided with connecting cross beam, column middle part, described left side is provided with the arm that rolls off the production line, the middle part of described crossbeam is provided with reach the standard grade arm and fixed block, described cross saddle is provided with work top, described work top is provided with work piece holder, also comprise the curled hair cylinder be fixed on lathe bed, described left side column is provided with left line arm guide rail, on described left line arm guide rail, left line arm is installed, described left line arm lower end is provided with left guide wheel, described right side column is provided with right line arm guide rail, on described right line arm guide rail, right line arm is installed, described right line arm lower end is provided with right guide wheel, described left line arm and the upper and lower two ends of right line arm are equipped with fixed block, on fixed block, be flexibly connected screw mandrel, on described left line arm and right line arm, also be connected with screw pair.
Further, described right line arm is provided with conducting block.
Further, described screw pair is provided with internal thread, and internal thread is meshed with the external screw thread on screw mandrel, on screw mandrel, is fixed with screw gear, and screw gear and motor gear are meshed, and motor gear is connected with U, V axis drive motor.
Further, described left line arm guide rail is perpendicular to work top.
Further, described right line arm guide rail is perpendicular to work top.
Further, column top, described left side is provided with the upper left guide wheel, and column bottom, left side is provided with the lower-left guide wheel, and described upper left guide wheel is arranged on automatically tight silk device, and when left and right line arm was asynchronous, automatically tight silk device was regulated the Zhang Du of wire electrode.
Further, column top, described right side is provided with the upper right guide wheel.
Further, the described arm of reaching the standard grade is provided with upper block and conducting block, and the described arm of reaching the standard grade comprises that reach the standard grade arm standing part and the arm of reaching the standard grade can regulate movable part, and the arm standing part of reaching the standard grade can be regulated movable part with the arm of reaching the standard grade and be connected by guide rail.
Further, the described arm that rolls off the production line is provided with lower tumbler.
Further, described curled hair cylinder is wound with wire electrode.
Further, described wire electrode forms the vertical high frequency cutting head respectively on upper block, lower tumbler, upper left guide wheel and lower-left guide wheel, described wire electrode forms parallel high frequency cutting head respectively on right guide wheel, left guide wheel, upper right guide wheel, upper left guide wheel and lower-left guide wheel.
Further, described automatically tight silk device can be the automatically tight silk device of gravity.
Compared with prior art, advantage is in the present invention:
1 with the ordinary lines cutting off machine, compare, the technique that complicates be between single operation, raise the efficiency, reduce wage, economize the de-chucking cost.A, exempt from cutting, manufacture or buy fixture; B, exempt to proofread fixture; C, the workload that reduces clamping again over half, proofreads workpiece; D, exempt from before each clamping workpiece fixture is cleaned; E, versatility of the present invention are good, and the present invention is large to workpiece weight, size, shape, the clamping clout scope of application, and easy to operate efficiency is high; F, without the accumulated error of multiple clamping, protect the unification that a few dimension cut surfaces of positive finished product intersect angle, the degree of accuracy and stability are high, reduce quality-control cost, reduce substandard products; G, realized a plurality of x directions display workpiece transverse cuts simultaneously, efficiency is high.
2 with tapering or wave greatly wire cutting machine tool and compare, the present invention adopts four axles (four plankers) frame for movement, and axle interlock electrical control gear, can save the above electrical control gear of the above frame for movement of five axles and four axles, machine cost is low, and the machine maintenance cost is low; Uv planker volume is little, be simple and easy to use, easily popularize, the present invention has just increased by three guide wheels on the basis of former ordinary lines cutting off machine, increase by one group of uv planker, changed the path of wire electrode wrapping wire, changing unstable order post wires frame is stable gantry coil holder, does not change other parts, does not increase other parts, namely realize the workpiece clamped one time, realize the cutting of three-dimensional special-shaped three-dimensional surface; When wire electrode is parallel with work top, can realize the parallel cutting simultaneously of a plurality of display workpiece of x direction; This type cost is low, easy-to-use, the good popularization.
When uv is synchronous, be equivalent to the uv planker and unite two into one, namely three plankers of four axles, used simple 2 d plane picture program to get final product during work.
Except purpose described above, feature and advantage, the present invention also has other purpose, feature and advantage.Below with reference to figure, the present invention is further detailed explanation
The accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention the present invention does not form inappropriate limitation of the present invention for explaining.In the accompanying drawings:
Fig. 1 is the structural representation of three-dimension numerical controlled electric spark linear cutting machine of the present invention;
Fig. 2 is that enlarged drawing is overlooked in part, A-A direction screw mandrel place of the present invention;
Fig. 3 is the vertical high frequency cutting head of three-dimension numerical controlled electric spark linear cutting machine of the present invention and the circuit connection schematic diagram of work piece holder part; And
Fig. 4 is the parallel high frequency cutting head of three-dimension numerical controlled electric spark linear cutting machine of the present invention and the circuit connection schematic diagram of work piece holder part.Wherein,
Reference numeral:
1 is the curled hair cylinder, 2 is upper block, 3 is lower tumbler, 4 are the arm of reaching the standard grade, 4-1 is the arm standing part of reaching the standard grade, 4-2 can regulate movable part for the arm of reaching the standard grade, 5 are the arm that rolls off the production line, 6 is lathe bed, 7 is column, 8 is cross saddle, 9 is work top, 10 is wire electrode, 11 is conducting block, 11-1 is conducting block, 11-2 is conducting block, 12 is work piece holder, 13-1 is the vertical high frequency cutting head, 13-2 is parallel high frequency cutting head, 14 is right line arm guide rail, 15 is left line arm guide rail, 16 is z axial filament bar, 17 is crossbeam, 18 is workpiece, 19 is connecting cross arm, 20 is right line arm, 21 is left line arm, 22 is right guide wheel, 23 is left guide wheel, 24 is the upper right guide wheel, 25 is the upper left guide wheel, 26 is the lower-left guide wheel, 33 is screw pair, 34 is screw gear, 35 is screw mandrel, 36 is fixed block, 37 is the UV axis drive motor, 38 is motor gear, 39 is automatically tight silk device.
The specific embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Referring to figs. 1 to Fig. 4, a kind of three-dimension numerical controlled electric spark linear cutting machine as depicted in figs. 1 and 2, comprise lathe bed 6, be located at cross saddle 8 and the column 7 that is fixed on the left and right sides on lathe bed 6 on lathe bed 6, column 7 tops, the described left and right sides are provided with crossbeam 17, column 7 middle parts, described left side are provided with the arm 5 that rolls off the production line, the middle part of described crossbeam 17 is provided with reach the standard grade arm 4 and fixed block 33, described cross saddle 8 is provided with work top 9, described work top 9 is provided with work piece holder 12, also comprise the curled hair cylinder 1 be fixed on lathe bed 6, described left side column 7 is provided with left line arm guide rail 15, on described left line arm guide rail 15, left line arm 21 is installed, described left line arm 21 lower ends are provided with left guide wheel 23, described right side column 7 is provided with right line arm guide rail 14, on described right line arm guide rail 14, right line arm 20 is installed, described right line arm 20 lower ends are provided with right guide wheel 22, described left line arm 21 and right line arm are equipped with fixed block 36 in two ends Shang Xia 20, on fixed block 36, be flexibly connected screw mandrel 35, on described left line arm 21 and right line arm 20, also be fixed with screw pair 33.
Preferably, described left and right sides column 7 is connected with crossbeam 17, forms flame coil holder, and flame relative ordinary lines cutting machine sheet post wires frame is more stable.
Right screw mandrel 35(is equivalent to the u axle of three-dimensional coordinate) be loaded on right line arm 20, left screw mandrel 35(is equivalent to the v axle of three-dimensional coordinate) be loaded on left line arm 21, screw mandrel 35 is fixed on gantry coil holder column 7.
Preferably, described right line arm 20 is provided with conducting block 11.
Preferably, described screw pair 33 is provided with internal thread, and internal thread is meshed with the external screw thread on screw mandrel 35, on screw mandrel 35, is fixed with screw gear 34, and screw gear 34 and motor gear 38 are meshed, and motor gear 38 is connected with UV axis drive motor 37.
Preferably, described left line arm guide rail 15 and right line arm guide rail 14 are perpendicular to work top 9.
Preferably, column 7 tops, described left side are provided with upper left guide wheel 25, and column 7 bottoms in left side are provided with lower-left guide wheel 26, and described upper left guide wheel 25 is arranged on automatically tight silk device 39.
Preferably, column 7 tops in described right side are provided with upper right guide wheel 24.
Preferably, the described arm 4 of reaching the standard grade is provided with upper block 2 and conducting block 11, and the described arm 4 of reaching the standard grade comprises that the arm standing part 4-1 that reaches the standard grade can regulate movable part 4-2 with the arm of reaching the standard grade, and the arm standing part 4-1 that reaches the standard grade can regulate movable part 4-2 with the arm of reaching the standard grade and be connected by guide rail.
Preferably, the described arm 5 that rolls off the production line is provided with lower tumbler 3.
Preferably, described curled hair cylinder 1 is wound with wire electrode 10.
Preferably, described wire electrode 10 forms vertical high frequency cutting head 13-1 respectively on upper block 2, lower tumbler 3, upper left guide wheel 25 and lower-left guide wheel 26, described wire electrode 10 forms parallel high frequency cutting head 13-2 respectively on right guide wheel 22, left guide wheel 23, upper right guide wheel 24, upper left guide wheel 25 and lower-left guide wheel 26.
As shown in Figure 3 and Figure 4, described vertical high frequency cutting head 13-1 mono-end is provided with conducting block 11-2, described parallel high frequency cutting head 13-2 mono-end is provided with conducting block 11-1, conducting block 11-1, conducting block 11-2 and wire electrode 10 are connected, conducting block 11-1, conducting block 11-2 also connect the negative pole of same high frequency electric source, work piece holder 12 connects this high frequency electric source positive pole, forms the parallel operation structure of vertical high frequency cutting head 13-1, parallel high frequency cutting head 13-2 with this; Conducting block 11-2 is arranged on the arm 4 of reaching the standard grade or is arranged on crossbeam 17, and conducting block 11-2 is positioned at the left side of upper block 2; Conducting block 11-1 is arranged on right line arm 20, is positioned at the top of right guide wheel 22; Vertical high frequency cutting head 11-1 is perpendicular to work top 9; Parallel or the monoclinic phase of parallel high frequency cutting head 13-2 meets at work top 9.
When the track of workpiece 18 on the yz plane cut, a wire electrode 10 of drawing on curled hair cylinder 1 is chosen in the upper wrapping wire of right guide wheel 22, left guide wheel 23, upper right guide wheel 24, upper left guide wheel 25, lower-left guide wheel 26 and conducting block 11-1, select corresponding u, v, y axis drive motor and controller to carry out signal communication, y planker in cross saddle 8 and the u on the coil holder of gantry, the interlock of v planker, parallel high frequency cutting head 13-2 carries out yz face track to workpiece 18 and has cut special-shaped cut surface.
When u, v were synchronous, cutting head 13-2 was parallel at different time.
When the track to workpiece 18 on the xy plane cuts, a wire electrode 10 of drawing on the curled hair cylinder is chosen in the upper wrapping wire of upper block 2, lower tumbler 3, upper left guide wheel 25, lower-left guide wheel 26 and conducting block 11-2, select corresponding x, y axis drive motor and controller to carry out signal communication, x in cross saddle 8, the interlock of y planker, vertical high frequency cutting head 13-1 carries out the track cutting on the xy plane to workpiece 18.
The foregoing is only the preferred embodiments of the present invention, the present invention includes but be not limited to this example, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. three-dimension numerical controlled electric spark linear cutting machine, comprise lathe bed, be located at cross saddle and the column that is fixed on the left and right sides on lathe bed on lathe bed, column top, the described left and right sides is provided with connecting cross beam, column middle part, described left side is provided with the arm that rolls off the production line, the middle part of described crossbeam is provided with reach the standard grade arm and fixed block, described cross saddle is provided with work top, described work top is provided with work piece holder, also comprise the curled hair cylinder be fixed on lathe bed, it is characterized in that: described left side column is provided with left line arm guide rail, on described left line arm guide rail, left line arm is installed, described left line arm lower end is provided with left guide wheel, described right side column is provided with right line arm guide rail, on described right line arm guide rail, right line arm is installed, described right line arm lower end is provided with right guide wheel, described left line arm and the upper and lower two ends of right line arm are equipped with fixed block, on fixed block, be flexibly connected screw mandrel, on described left line arm and right line arm, also be connected with screw pair.
2. three-dimension numerical controlled electric spark linear cutting machine according to claim 1, it is characterized in that: described right line arm is provided with conducting block.
3. three-dimension numerical controlled electric spark linear cutting machine according to claim 1, it is characterized in that: described screw pair is provided with internal thread, internal thread is meshed with the external screw thread on screw mandrel, the screw mandrel upper end is fixed with screw gear, screw gear and motor gear are meshed, and motor gear is connected with the UV axis drive motor.
4. three-dimension numerical controlled electric spark linear cutting machine according to claim 1 and 2, it is characterized in that: described left line arm guide rail and right line arm guide rail are perpendicular to work top.
5. three-dimension numerical controlled electric spark linear cutting machine according to claim 1 is characterized in that: column top, described left side is provided with automatically tight silk device, and column bottom, left side is provided with the lower-left guide wheel, and described upper left guide wheel is arranged on automatically tight silk device.
6. three-dimension numerical controlled electric spark linear cutting machine according to claim 1, it is characterized in that: column top, described right side is provided with the upper right guide wheel.
7. three-dimension numerical controlled electric spark linear cutting machine according to claim 1, it is characterized in that: the described arm of reaching the standard grade is provided with upper block and conducting block, the described arm of reaching the standard grade comprises that reach the standard grade arm standing part and the arm of reaching the standard grade can regulate movable part, and the arm standing part of reaching the standard grade can be regulated movable part with the arm of reaching the standard grade and be connected by guide rail.
8. three-dimension numerical controlled electric spark linear cutting machine according to claim 1, it is characterized in that: the described arm that rolls off the production line is provided with lower tumbler.
9. three-dimension numerical controlled electric spark linear cutting machine according to claim 1, it is characterized in that: described curled hair cylinder is wound with wire electrode.
10. three-dimension numerical controlled electric spark linear cutting machine according to claim 9, it is characterized in that: described wire electrode forms the vertical high frequency cutting head respectively on upper block, lower tumbler, upper left guide wheel and lower-left guide wheel, and described wire electrode forms parallel high frequency cutting head respectively on right guide wheel, left guide wheel, upper right guide wheel, upper left guide wheel and lower-left guide wheel.
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| CN103406618B CN103406618B (en) | 2015-09-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103949735A (en) * | 2014-05-20 | 2014-07-30 | 曾建 | Wire-cut electric discharge machine |
| CN105665852A (en) * | 2016-03-04 | 2016-06-15 | 上饶市江旺数控机床制造有限公司 | Electrospark wire-electrode cutting machine tool |
| CN108972899A (en) * | 2018-08-29 | 2018-12-11 | 中国石油大学(北京) | Rock sample retrofit device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105665852A (en) * | 2016-03-04 | 2016-06-15 | 上饶市江旺数控机床制造有限公司 | Electrospark wire-electrode cutting machine tool |
| CN108972899A (en) * | 2018-08-29 | 2018-12-11 | 中国石油大学(北京) | Rock sample retrofit device |
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| CN103406618B (en) | 2015-09-09 |
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Inventor after: Zhan Yongliang Inventor before: Wang Sanyue |
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Effective date of registration: 20170628 Address after: 515000 Industrial Zone, northeast corner of Chenghai road and Puning Road intersection, Shantou, Guangdong Patentee after: Shantou Hao Hao CNC Equipment Manufacturing Co., Ltd. Address before: 325100 Lucheng District, Wenzhou City, No. three official Hall Lane, No. 17 Patentee before: Wang Sanyue |