CN1037900C - Self-rotary spark cutting machine tool - Google Patents
Self-rotary spark cutting machine tool Download PDFInfo
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- CN1037900C CN1037900C CN94118434A CN94118434A CN1037900C CN 1037900 C CN1037900 C CN 1037900C CN 94118434 A CN94118434 A CN 94118434A CN 94118434 A CN94118434 A CN 94118434A CN 1037900 C CN1037900 C CN 1037900C
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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
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Abstract
The present invention relates to a self-rotary electrical spark linear cutting machine tool. Electrode wires in a wire travelling mechanism linearly move and rotate at a high speed at the same time, which is realize by the differential motion rotary speed between a main shaft and a winding barrel and a sequential wire arrangement mechanism. The present invention has the advantages that cutting depth is increased; a duty ratio of a pulse power source is reduced, and the processing speed is enhanced; the present invention adopts a parallel chip removal mode, the stability and the accuracy of the processing are improved, and the surface is smooth and clean; the deformation of the electrode wires can be avoided, and taper cutting processing can be realized; the structure of the present invention is simple and reasonable, the cost is not increased, and the overall efficiency is greatly improved; the present invention also has the function of digital control grinding, and thus, the present invention is multifunctional.
Description
The molded technology for making of the machine that the present invention relates to field is specifically related to electric spark linear cutting machine, more particularly, relates to a kind of self-rotary spark cutting machine tool that harmful scope is big, precision good, efficient is high of cutting.
Existing wire electric discharge is cut harmful lathe can be divided into two kinds, and a kind of is quick-wire-moving linear cutting machine, and its wire electrode wire travelling speed is the 6-12 meter per second, and another kind is that the silk thread of being careful is cut harmful lathe, its wire electrode wire travelling speed≤250 mm/second.The former wire travelling speed is fast, and chip removal is easier, and process velocity is also higher, and can process the workpiece of big thickness, but vibration is big, and wire electrode is molybdenum filament, and price is higher, must back and forth use, and causes monolateral discharge, wire electrode distortion, and machining accuracy is poor, roughness of machining surface.Because it is very fast that wire electrode moves back and forth, wire electrode one-way movement process time (be generally 10-20 second) is short, must frequent commutation, because commutation back machining state changes, cause finished surface to have the commutation vestige, and have a strong impact on machined surface roughness.The latter adopts disposable copper wire as wire electrode, thereby machining accuracy is higher, and the coarse situation of finished surface is improved greatly, and is slow but this silk of being careful is cut harmful lathe wire travelling speed, the chip removal difficulty, have a strong impact on processing thickness and speed, and in order to prevent that arcing from causing fracture of wire, the wire feeder of lathe must there be very high machining accuracy, thereby the lathe cost is improved, simultaneously, the disposable use of wire electrode is wasted very big.
In addition, more than two and existing line cut harmful lathe and also have a kind of insurmountable common drawback, be that the electroplax silk all is to the workpiece other end from workpiece one end motion, chip removal also is the end to end from workpiece, the chip removal path increases with the increase of thickness of processing piece, workpiece is thick more, and chip removal is difficult more, causes unstable processing and even fracture of wire easily and can not process thicker workpiece.In the present available various wire cutting machine tools, its maximum processing thickness is 400 millimeters on the market.
The object of the present invention is to provide a kind of speed that can fundamentally overcome above-mentioned existing wire cutting machine tool slow, low precision, the novel electric spark linear cutting machine of shortcomings such as rough surface, by changing the wire mode of existing lathe electrode silk wire feeder, promptly change the forms of motion of the wire electrode be used to realize the cutting of processing work electric spark, become simple wire electrode rectilinear motion and make the compound motion of rotation at a high speed into wire electrode not only moving linearly but also around own axle center, make the chip removal process generation radical change of Wire-cut Electrical Discharge Machining, what cash row is chip removal behind machined surface to processing work one end chip removal, chip removal speed is only relevant with rotating speed and irrelevant with thickness of processing piece, thereby it is difficult more fundamentally to have solved the thick more chip removal of existing wire cutting machine tool processing work in its process, thereby processing characteristics is descended so that the problem that can not process, increased considerably processing thickness, and processing is stable, and process velocity improves.
The present invention also aims to, a kind of self-rotary wire cutting machine tool is provided, have high line cutting processing performance, and itself also possess the computer controlled grinding function, can accomplish a tractor serves several purposes, also possess simple structure and cheap cost simultaneously owing to what wire electrode rotated.
According to self-rotary spark cutting machine tool provided by the invention, comprise: the processing main frame, be used for providing the control power supply box that comprises display of the pulse power and various control signals to described mainframe box, be used for providing emulsion box through the emulsion closed circuit of described processing main frame processing district workpiece to be machined, described processing main frame comprises: can be controlled by the workbench that control signal is carried out two dimension or multi-dimensional movement, wire feeder across the electrospark electrode line motion of described working table movement can be provided, it is characterized in that the wire electrode in the described wire feeder self is done rotation at a high speed in moving linearly.
According to self-rotary spark cutting machine tool provided by the invention, it is characterized in that described wire structure also comprises: main shaft, row's silk mechanism, bobbins, the transformation of speed device, the part of described wire electrode is by the center of described main shaft one end, on described bobbins, do the high speed rotation identical through the cylinder that links to each other with this main shaft with described main shaft, another part of described wire electrode is through the processing district of described workbench and the other end and the supporting with it cylinder of another alignment of shafts or same main shaft, on another bobbins or oppositely on same bobbins, described bobbins and described main shaft are rotated around same axle center, and make between the rotating speed of the rotating speed of described bobbins and described main shaft and have a constant ratio, be the described speed of mainshaft and the ratio of described bobbins rotating speed is a constant, described row's silk mechanism is used for making it to be arranged in an orderly manner described row silk tin in described wire electrode motion.
Self-rotary spark cutting machine tool according to first embodiment of the invention, comprise by support 11, left column guide rail 8, right column guide rail 21, workbench 12,13, be horizontally set on the left main shaft 101 on left column guide rail right side, be horizontally set on the right main shaft in right column guide rail 8 left sides, and the wire electrode 24 that can between described left main shaft and described right main shaft, move, described self-rotary spark line is cut harmful lathe and is characterised in that:
A described row mechanism comprises: the swift 106 that is connected with described main shaft 101,4 guide wheels 107 that can pass through described wire electrode in proper order are housed on the described big roller 106, sky is enclosed within the gusset piece 102 on the described main shaft 101, described gusset piece 102 is connected with bobbins 103, gear 104, support 110, and gusset piece 102 is made the horizontal direction rectilinear motion parallel with described main shaft by the feed screw nut;
Described transformation of speed device comprises that spool gear 105 that is fixed on the main shaft and the tooth that is connected on the bobbins 103 change 104, and one end the little axle 109 that gear 108 other ends are equipped with gear 111 is housed, described gear 108 and described spool gear 105 engagements, described gear 111 and described gear 104 engagements;
Suitably choose the number of teeth of spool gear 105, gear 108,111,104, just can make bobbins 103 and main shaft 101 do rotation in the same way coaxial but a constant ratio of rotating speed maintenance.
Self-rotary spark cutting machine tool according to second embodiment of the invention, comprise by support 11, left column guide rail 8, right column guide rail 21, workbench 12,13, be horizontally set on the left main shaft 101 on left column guide rail right side, be horizontally set on the right main shaft in right column guide rail 8 left sides, and the wire electrode that can between described left main shaft and described right main shaft, move, described self-rotary spark cutting machine tool is characterised in that:
Be coupling in the synchromesh gear 202 between described motor and the described main shaft;
A described row mechanism comprises: the doffer 212 that is connected with described main shaft 201,4 guide wheels 206 that can pass through described wire electrode in proper order are housed on the described trundle 212, a pallet 211 that is enclosed within on the described main shaft 201, described pallet 211 is connected to gear 215 with bolt 214, and described bolt 214 is slidingly connected with described gear 215;
Described transformation of speed device comprise the gear 216 that is fixed on the main shaft, and described gear 216 meshed gears 204, and described gear 214 meshed gears 205 and two ends be connected to gap bridge axle 203 between described gear 204 and the gear 205, pallet 211 links by bolt 212 and gear 215;
Suitably choose the number of teeth of gear 216,215,204,205, just can make bobbins 213 and main shaft 201 do rotation coaxial in the same way but a constant ratio of rotating speed maintenance;
Be processed with screw mandrel on the described main shaft 201, bobbins 213 endoporus are processed with nut, because described main shaft and bobbins relatively rotate, described bobbins also can be done reciprocating linear motion described Your Majesty.
Self-rotary spark cutting machine tool according to third embodiment of the invention, comprise support, single column guide rail, workbench and be installed on single column guide rail wire feeder and by guide pin bushing 313 in bearing 312, the bearing and the wire electrode that below described wire feeder, moves, described self-rotary spark cutting machine tool is characterised in that:
Also comprise: the one end be equipped with jewel guide pin bushing 311 main shaft, with the motor of described main shaft 301 by the synchromesh gear transmission;
Also comprise row's silk mechanism, it comprises: the doffer 308 that is connected with described main shaft 301,4 guide wheels that can pass through described wire electrode in proper order are equipped with in the top of described trundle 308, a pallet 314 that is enclosed within on the described main shaft 301, described bobbins 315 is slidingly matched with bolt 307, be contained between described gear 316 and the described pallet 314, described wire electrode 317 from bobbins 315 by being contained in the guide wheel of trundle 308 tops, again through being contained in the guide wheel 309 of described main shaft 301 1 ends and the jewel guide pin bushing 311 of described main shaft 301 1 ends, bearing through the both sides, processing district, guide pin bushing assembly 312 in the bearing, 313, enter the endoporus of described main shaft 301 from described main shaft 301 other ends, enter and get back to bobbins 316 by the guide wheel that is contained in described trundle 308 belows from described guide wheel 310 again, bobbins 316 does reciprocating linear motion on described main shaft 301 by the feed screw nut;
Also comprise the transformation of speed device, it comprises: be fixed on gear 303 and the empty gear 306 that is enclosed within on the described main shaft on the main shaft 301, respectively with described gear 303,306 meshed gears 304,316, and be connected gap bridge axle 305 between described gear 304 and 316;
Suitably choose the number of teeth of gear 303,306,304,316, just can make bobbins 315 and main shaft 301 do rotation coaxial in the same way but a constant ratio of rotating speed maintenance.
According to self-rotary spark cutting machine tool provided by the invention, it is characterized in that the pulse power in the described control power supply box is very little idle hours, dutycycle can be less than 10%.
Implement self-rotary spark cutting machine tool provided by the invention, because the wire electrode that adopts not only rectilinear motion but also rotatablely move can make the performance of whole lathe reach following effect: 1) can carry out big thickness cutting; 2) dutycycle of the pulse power reduces greatly, has improved process velocity; 3) the chip removal mode is improved to the parallel chip removal of whole machined surface from two ends serial chip removal, has improved processing stability and machining accuracy, make finished surface brighter and cleaner; 4) can prevent that the wire electrode that causes owing to monolateral discharge is out of shape; 5) because the horizontal positioned wire electrode is easy to realize the tapering cutting processing; 6) realize the simple and reasonable of wire electrode compound motion, cost there is no increase, and overall efficiency improves a lot; Also can have the computer controlled grinding function, accomplish a tractor serves several purposes.
In conjunction with the accompanying drawings and embodiments, further specify feature of the present invention and advantage
Fig. 1 is a structural representation of using self-rotary spark cutting machine tool of the present invention;
Fig. 2 is the structural representation of wire feeder in first most preferred embodiment of the present invention;
Fig. 3 is the structural representation of wire feeder in second most preferred embodiment of the present invention;
Fig. 4 is the of the present invention the 3rd best structural representation of implementing wire feeder in the side.
As shown in Figure 1, self-rotary spark cutting machine tool of the present invention can be two dimension , also can be four-dimensional or five dimensions, this two dimension self-rotary wire cutting machine tool is mainly by three Part forms: first is emulsion box, and second portion is the control power supply box, the 3rd one Dividing is main frame. Wherein, in first's emulsion box 1 high-pressure pump is housed, when work, height Press pump is delivered to processing district the main frame with emulsion from drain pipe 2, and is through connecing liquid bath, last Return emulsion box through liquid back pipe 3, flow into the high-pressure pump workspace after filtering. Second portion The control power supply box is mainly by computer, control circuit 26, the pulse power 28, guidance panel Deng composition, computer is finished control and management worker to whole lathe by control circuit 26 Do, wherein mainly comprise: programming, drawing, demonstration, machining state detect, Y-axis Z axis number Control, the rotating of main motor 7 and the control of various safety protection functions. The pulse power 28 can freely select required discharge pulse by guidance panel, realize lathe thick, in, Smart various processing.
The second portion main frame mainly by support 11, left column guide rail 8, right column guide rail 21, Workbench 12,13, with wiring frame 10,16,25,17,18 and wire feeder 14,15, 24,23,22 4 unit form. Motor 20 by Z axis makes wiring frame and wire machine Structure can be on the left and right pillar guide rail synchronizing moving, workbench 13 by the Y-axis motor driving can Motion before and after on the support 11, thus can realize two dimension processing. Spindle Motor 7 is by three cuticles Be with 6 to make synchronous connection polished rod 5 rotations, by left and right wire feeder 14,23 synchronous workings, Thereby make wire electrode High Rotation Speed on one side, on one side linear reciprocating motion.
In first most preferred embodiment of the present invention shown in Figure 2, the main frame left column that only illustrates in the rotatable electric spark linear cutting machine of complete spin shown in Figure 1 is led the detailed structure schematic diagram of advising the wire feeder on 8.Right column is led wire feeder that rule are adorned on 21 and left column and is led wire feeder symmetry fully on the rule 8 among Fig. 1, and two wire feeders are all by spindle motor 7 drivings.The wire electrode that is used for workpiece is carried out Wire EDM is put silk as the wire feeder on the left column when moving linearly, just then the wire feeder on the right column is received silk.
In Fig. 2, label 101 is main shafts, the 102nd, and gusset piece, the 103rd, bobbins, the 104th, gear, the 105th, spool gear, the 106th, big roller, the 107th, guide wheel, the 108th, gear, the 109th, little axle, the 110th, support, the 111st, gear, the 112nd, wire electrode, the 113rd, jewel guide pin bushing, the 114th, belt pulley.When motor rotation, drive main shaft 101 by belt pulley 114 and do rotation at a high speed, spool gear 105 is fixed on the main shaft 101, also do same rotation with main shaft 101, by gear 108, little axle 109, make gear 111 reverse rotations, 104 rotations of gear 111 driven gears, gear 104 links together with bobbins 103, therefore, bobbins 103 is also in the rotation of do with main shaft 101 equidirectionals, suitably choose spool gear 105, gear 108,111,104 the number of teeth just can make bobbins 103 and main shaft 101 do coaxial in the same way but the rotation of friction speed, and swift 106 links with main shaft, this moment, swift 106 was done coaxial in the same way but the rotation of friction speed with bobbins, wire electrode 112 rotates simultaneously by 4 guide wheels 107 and swift, thereby makes the wire electrode rotation, secondly, bobbins 103, gear 104, support 110 links with gusset piece 102, and gusset piece 102 is made left and right sides rectilinear motion by the feed screw nut.In sum, because swift 106 is done the asynchronous rotation of homophase with bobbins 103, when both direction of rotation is consistent with the wrapping wire direction, owing to the rotating speed of swift 106 rotating speed, so wrapping wire greater than bobbins 103; Otherwise then put silk; Bobbins 103 is also by gusset piece 102 moving linearlies simultaneously, thereby finished wrapping wire (putting silk) and two kinds of motions of row's silk, therefore just can finish the compound motion that comprises rotation and left and right sides straight reciprocating motion of wire electrode 112 by the mechanism of two symmetries.The jewel guide pin bushing 113 that is installed in described main shaft one end plays location, guide effect.
In this first embodiment, if the number of teeth of spool gear 105 is 44, the number of teeth of gear 108 is 32, the number of teeth of gear 111 is 31, the number of teeth of gear 104 is 45, and then differential rotating ratio is (44X31)/(45X32), and machine motor drives the screw mandrel rotation by gear-box simultaneously, the speed reducing ratio that makes it with main shaft is 1: 100, so just can the row's of realization silk function.
Secondly, the wire feeder of the lathe of this embodiment is a horizontal positioned, changes traditional X, Y-axis numerical control into Y, Z Shaft and NC Machining Test, and simultaneously, because chip removal is easy, processing is also stable, so can do corresponding improvement to power supply and mechanical part.Power supply mainly is to reduce idle hours, and machine tool structure can be with reference to the architecture advances of metal-planing machine.Referring to Fig. 1.
The structure of this first embodiment is also applicable to the self-rotary wire cutting machine tool of double end doffer formula wire feeder.
Fig. 3 show second most preferred embodiment of the present invention and Fig. 2 similar, the detailed structure schematic diagram of a wire feeder on the main frame left column guide rail 8 in the rotatable electric spark linear cutting machine of complete spin only is shown.Wire feeder on the right column guide rail 21 and complete symmetry illustrated in fig. 3.
In Fig. 3: the 201st, main shaft, the 202nd, synchromesh gear, the 203rd, the axle of passing a bridge, the 204th, gear, the 205th, gear, the 206th, guide wheel, the 207th, doffer, the 208th, wire electrode, the 209th, jewel guide pin bushing, the 211st, pallet, the 212nd, doffer, the 212nd, doffer, the 213rd, bobbins, the 214th, bolt, the 215th, gear, the 216th, gear.When motor rotation, drive main shaft 201 by synchromesh gear 202 and do rotation at a high speed, it is to be fixed on the main shaft 201 that tooth changes 216, also do same rotation with main shaft, by gear 204, the axle 203 of passing a bridge, gear 215 is done and the asynchronous in the same way rotation of main shaft 1, bobbins 213 links by bolt 212 and gear 215, therefore, do identical rotation with gear 215.Because main shaft 201 exists speed discrepancy with bobbins, thereby bobbins also can do reciprocating linear motion by nut, wire electrode rotates simultaneously by 4 guide wheels 206 and doffer 212, doffer 212 links with main shaft 201, thereby doffer 212 is done the asynchronous rotation of homophase with bobbins 213, because the rotating speed of doffer 212 is higher than the rotating speed of bobbins, when the wrapping wire direction of wire electrode is consistent with rotating speed, just can produces wrapping wire and move; Otherwise then put silk.
If the number of teeth of gear 216 is 92, the number of teeth of gear 204 is 90, and modulus is 1.5, the number of teeth of gear 205 is 77, and the number of teeth of gear 215 is 79, and modulus is that 1.75 differential rotating ratios are (92X77)/(90X79), as screw mandrel pitch is 0.5 millimeter, then can realize wrapping wire row silk function.Can adopt different gears supporting, and the difference of these two pairs of modules is more little, just can calculates the optimum gear speed pairing that is fit to this mechanism within the specific limits.Changeed for 2000 weeks as the main shaft per minute, 80 millimeters of wrapping wire tube lengths, then unidirectional wire reaches 21.9 minutes process time, and the commutation number of times is significantly reduced.
Other structures of this embodiment are identical with first embodiment.
Fig. 4 illustrates the 3rd most preferred embodiment of the present invention, the self-rotary spark cutting machine tool of this embodiment, be to adopt single column guide rail and supporting with it support with the difference of above-mentioned first and second embodiment, workbench and the wire feeder that is installed on single column guide rail, described wire electrode is by being located at described wire feeder below, two groups of bearings across the both sides of workbench, guide pin bushing (312 in the bearing, 313) wire electrode 317 that also moves betwixt, 301 is main shafts in addition, the 302nd, synchromesh gear, the 303rd, gear, the 304th, gear, the 305th, the axle of passing a bridge, the 306th, gear, the 307th, bolt, the 308th, doffer, the 309th, guide wheel, the 310th, guide wheel, the 311st, jewel guide pin bushing, the 312nd, bearing, the 313rd, guide pin bushing in the bearing, the 314th, pallet, the 315th, bobbins, the 316th, gear.When motor rotation, drive main shaft 301 by synchromesh gear 302 and do rotation at a high speed, gear 303 is fixed on the main shaft 301, also do same rotation with main shaft, by gear 304, the axle 305 of passing a bridge, gear 316 is made and the asynchronous rotation of main shaft homophase gear 306, and bobbins 315 links by bolt 307 and gear 306, so do identical rotatablely moving with gear 306.Because main shaft 301 exists speed discrepancy with bobbins 315, so bobbins 315 does reciprocating linear motion by nut.One end of described wire electrode links by four guide wheels in top 309 and doffer 308, thereby wire electrode is done rotatablely move identical with main shaft.When the wrapping wire direction was opposite up and down, then no matter main shaft towards what direction rotated, and an end must be arranged at wrapping wire, and the other end is for putting silk.Equally, bobbins can also do reciprocating linear motion, so wire electrode 317 is done reciprocating linear motion when doing the high speed rotation, the support of bearing 312,313 plays passive rotation and changes the function of wire direction.
The structure of this embodiment is applicable to single column doffer formula wire cutting machine tool.Other structures of this embodiment are identical with first embodiment.
As mentioned above, no matter be two columns or single column form, wire feeder in the self-rotary spark cutting machine tool of the present invention provides three kinds of motions, the one, the line cutting electrode silk is made the horizontal direction linear reciprocating motion, the 2nd, do rotation at a high speed at the wire electrode self of horizontal rectilinear motion, this is the peculiar greatest factor of improving cutting performance and improving cutting efficiency of the present invention, the 3rd, row's silk of bobbins or put needed the rotatablely moving of silk, and require wire electrode on the bobbins not have to reverse and marshalling, straight; Secondly, the high speed rotary motion that second kind of above-mentioned motion is main shaft and the third motion are to have the coaxial of a constant ratio to rotatablely move in the same way on the rotating speed, such design makes wire feeder of the present invention only adopt a motor to drive, and being equipped with cleverly transmission mechanism, to make that these three kinds of motions organically are combined into as a whole, realized that simultaneously first kind of motion becomes the result of above-mentioned second kind and the third motion.
Claims (9)
1. self-rotary spark cutting machine tool, comprise: the processing main frame, be used for providing the control power supply box of the pulse power and various control signals to described processing main frame, can be controlled by control signal and carry out the workbench of two dimension or multi-dimensional movement, with the wire feeder that makes the wire electrode motion across described workbench top, it is characterized in that, exist in the described wire feeder and can make wire electrode in the moving linearly of processing district, self do rotation at a high speed, and can make evenly discharging and of wire electrode around the main shaft that rises, row's silk mechanism, bobbins, the transformation of speed device, with motor of existence, can realize to-and-fro thread by the motor conversion.
2. self-rotary spark cutting machine tool according to claim 1, it is characterized in that, the part of described wire electrode is by the center of described main shaft one end, on described bobbins, do the high speed rotation identical through the cylinder that links to each other with this main shaft with described main shaft, another part of described wire electrode is through the other end and the supporting with it cylinder of processing district and another alignment of shafts or same main shaft, on another bobbins or oppositely on same bobbins, described bobbins and described main shaft are rotated around same axle center, and make between the rotating speed of the rotating speed of described bobbins and described main shaft to have a constant ratio, the promptly described speed of mainshaft is a constant with the ratio of described bobbins rotating speed.
3. self-rotary spark cutting machine tool according to claim 2 is characterized in that comprising a row silk mechanism, and described row's silk mechanism is used for making it to be arranged in an orderly manner described row silk tin in described wire electrode motion.
4. self-rotary spark cutting machine tool according to claim 3, comprise by support (11), left column guide rail (8), right column guide rail (21), workbench (12), (13), be horizontally set on the left main shaft (101) on left column guide rail right side, be horizontally set on the right main shaft in right column guide rail (8) left side, and the wire electrode (24) that can between described left main shaft and described right main shaft, move, described self-rotary spark cutting machine tool is characterised in that:
A described row mechanism comprises: the swift (106) that is connected with described main shaft (101), 4 guide wheels (107) that can pass through described wire electrode in proper order are housed on the described big roller (106), sky is enclosed within the gusset piece (102) on the described main shaft (101), described gusset piece (102) is connected with bobbins (103), gear (104), support (110), and gusset piece (102) is made the horizontal direction rectilinear motion parallel with described main shaft by the feed screw nut;
Described transformation of speed device comprises the spool gear (105) that is fixed on the main shaft and is connected gear (104) on the bobbins (103), and one end the little axle (109) that gear (108) other end is equipped with gear (111) is housed, described gear (108) and described spool gear (105) engagement, described gear (111) and described gear (104) engagement;
Suitably choose the number of teeth of spool gear (105), gear (108), (111), (104), just can make bobbins (103) and main shaft (101) do rotation in the same way coaxial but a constant ratio of rotating speed maintenance.
5. self-rotary spark cutting machine tool according to claim 3, comprise by support (11), left column guide rail (8), right column guide rail (21), workbench (12), (13), be horizontally set on the left main shaft (101) on left column guide rail right side, be horizontally set on the right main shaft in right column guide rail (8) left side, and the wire electrode that can between described left main shaft and described right main shaft, move, described self-rotary spark cutting machine tool is characterised in that:
Be coupling in the synchromesh gear (202) between described motor and the described main shaft;
A described row mechanism comprises: the doffer (212) that is connected with described main shaft (201), 4 guide wheels (206) that can pass through described wire electrode in proper order are housed on the described trundle (212), a pallet (211) that is enclosed within on the described main shaft (201), described pallet (211) is connected to gear (215) with bolt (214), and described bolt (214) is slidingly connected with described gear (215);
Described transformation of speed device comprise the gear (216) that is fixed on the main shaft, and described gear (216) meshed gears (204), and described gear (214) meshed gears (205) and two ends be connected to gap bridge axle (203) between described gear (204) and the gear (205), pallet (211) links by bolt (212) and gear (215);
Suitably choose the number of teeth of gear (216), (215), (204), (205), just can make bobbins (213) and main shaft (201) do rotation coaxial in the same way but a constant ratio of rotating speed maintenance;
Described main shaft is processed with screw mandrel on (201), and bobbins (213) endoporus is processed with nut, because described main shaft and bobbins relatively rotate, described bobbins also can be done reciprocating linear motion on described main shaft.
6. self-rotary spark cutting machine tool according to claim 1, its processing main frame comprise support, single column guide rail, workbench and be installed on single column guide rail wire feeder and by interior guide pin bushing (313) of bearing (312), bearing and the wire electrode that below described wire feeder, moves, described self-rotary spark cutting machine tool is characterised in that:
Also comprise: the one end be equipped with jewel guide pin bushing (311) main shaft, with the motor of described main shaft (301) by the synchromesh gear transmission;
Also comprise row's silk mechanism, it comprises: the doffer (308) that is connected with described main shaft (301), 4 guide wheels that can transport described wire electrode in proper order are equipped with in the top of described trundle (308), a pallet (314) that is enclosed within on the described main shaft (301), described bobbins (315) is slidingly matched with bolt (307), be contained between described gear (316) and the described pallet (314), described wire electrode (317) from bobbins (315) by being contained in the guide wheel of trundle (308) top, again through the guide wheel that is contained in described main shaft (301) one ends (309 and the jewel guide pin bushing (311) of described main shaft (301) one ends, bearing through the both sides, processing district, guide pin bushing assembly (312) in the bearing, (313), enter the endoporus of described main shaft (301) from described main shaft (301) other end, enter and get back to bobbins (316) by the guide wheel that is contained in described trundle (308) below from described guide wheel (310) again, bobbins (316) does reciprocating linear motion on described main shaft (301) by the feed screw nut;
Also comprise the transformation of speed device, it comprises: be fixed on gear (303) and the empty gear (306) that is enclosed within on the described main shaft on the main shaft (301), respectively with described gear (303), (306) meshed gears (304), (316), and be connected gap bridge axle (305) between described gear (304) and (316);
Suitably choose the number of teeth of gear (303), (306), (304), (316), just can make bobbins 315 and main shaft 301 do rotation coaxial in the same way but a constant ratio of rotating speed maintenance.
7. according to claim 4,5,6 described self-rotary spark cutting machine tools, it is characterized in that the pulse power in the described control power supply box is very little idle hours, dutycycle can be less than 10%.
8. according to claim 2,3,4,5,6 described self-rotary spark cutting machine tools, it is characterized in that, described transformation of speed device can be by selecting different gear ratios to make to comprise cylinder main shaft and bobbins between produce rotatablely moving of a constant ratio, and can make wire electrode produce rotation at a high speed.
9. according to claim 2,3,4,5,6 described self-rotary spark cutting machine tools, it is characterized in that, described main shaft, described row's silk mechanism, described bobbins and described wire electrode be by same Motor Drive, realizes self rotatablely moving and described wire electrode not being had the row's silk that reverses the ground marshalling or puts the silk motion of the rectilinear motion of described wire electrode, described wire electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94118434A CN1037900C (en) | 1994-11-19 | 1994-11-19 | Self-rotary spark cutting machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94118434A CN1037900C (en) | 1994-11-19 | 1994-11-19 | Self-rotary spark cutting machine tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1109808A CN1109808A (en) | 1995-10-11 |
| CN1037900C true CN1037900C (en) | 1998-04-01 |
Family
ID=5038831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94118434A Expired - Fee Related CN1037900C (en) | 1994-11-19 | 1994-11-19 | Self-rotary spark cutting machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1037900C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462174C (en) * | 2004-12-31 | 2009-02-18 | 广东工业大学 | Combined cutting device of ultra-thick metal material |
| JP4712887B2 (en) * | 2009-09-11 | 2011-06-29 | ファナック株式会社 | Wire-cut electric discharge machining method and apparatus, wire-cut electric discharge machining program creation device, and computer-readable recording medium recording program for creating wire-cut electric discharge machining program |
| CN111136815B (en) * | 2020-01-03 | 2021-10-01 | 上海理工大学 | Rotary fixed abrasive wire sawing machine |
| CN114932278B (en) * | 2022-06-24 | 2023-07-18 | 皖西学院 | One-way wire-moving wire-cut electric discharge machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62224525A (en) * | 1986-03-26 | 1987-10-02 | Mitsubishi Electric Corp | Wire-cut electric discharge machining device |
| DE4228328A1 (en) * | 1992-08-26 | 1994-03-10 | Agie Ag Ind Elektronik | EDM cutting device, EDM cutting method and EDM wire |
| CN2214861Y (en) * | 1993-11-18 | 1995-12-13 | 杨新胜 | Self-rotating electric spark wire-cutting machine tool |
-
1994
- 1994-11-19 CN CN94118434A patent/CN1037900C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62224525A (en) * | 1986-03-26 | 1987-10-02 | Mitsubishi Electric Corp | Wire-cut electric discharge machining device |
| DE4228328A1 (en) * | 1992-08-26 | 1994-03-10 | Agie Ag Ind Elektronik | EDM cutting device, EDM cutting method and EDM wire |
| CN2214861Y (en) * | 1993-11-18 | 1995-12-13 | 杨新胜 | Self-rotating electric spark wire-cutting machine tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1109808A (en) | 1995-10-11 |
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