CN204277142U - A kind of jet guides laser-electric spark-electrolytic combination processing unit (plant) - Google Patents
A kind of jet guides laser-electric spark-electrolytic combination processing unit (plant) Download PDFInfo
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- CN204277142U CN204277142U CN201420290669.4U CN201420290669U CN204277142U CN 204277142 U CN204277142 U CN 204277142U CN 201420290669 U CN201420290669 U CN 201420290669U CN 204277142 U CN204277142 U CN 204277142U
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Abstract
The utility model relates to a kind of jet and guides laser-electric spark-electrolytic combination processing unit (plant), belongs to special process field.The structure that this device adopts three kinds of special process modes to be integrated in one, is made up of generating device of laser, processing module, working solution circulating system, power module.Wherein generating device of laser is placed in above processing module, ensures that laser beam processing is coaxial with spark machined; Electric discharge machining pole in processing module can static or rotate; Jet guides Laser Processing and spark machined working solution to adopt deionized water, and shares a set of working solution circulating system with Electrolyzed Processing working solution.Adopt this device to carry out adding man-hour, guide Laser Processing and spark machined for removing the Main Means of material with jet, then be aided with Electrolyzed Processing; Take into account the speed of part processing, precision and surface quality; The rapid processing of the special-shaped countersunk head micro hole of various band can be realized, overcome the various drawbacks in the past using single special process mode to bring.
Description
Technical field
The utility model relates to a kind of processing micro hole, the isostructural device of groove, specifically, is that a kind of jet guides laser-electric spark-electrolytic combination processing unit (plant).
Background technology
Spark machined, Electrolyzed Processing and Laser Processing be respectively last century four, five, the sixties start the processing technology that grows up, obtain develop rapidly because it respectively has different superiority, be used widely in the manufacturing industry such as Aero-Space, weaponry, automobile, electronics, boats and ships.Three has respective salient feature for the Small Holes processing extensively existed in above-mentioned field.Spark machined minute aperture has two kinds of methods, i.e. electric-spark drilling and the little hole machined of high-speed electric spark, they are compared with other method, some superiority is had: can by any conductive material in minute aperture processing, do not limit by the intensity of workpiece material and hardness, secondly, can processing blind hole, deep hole, inclined hole and profiled holes etc. on the surface of the workpiece, in process, cutting force is very little, requires lower to the strength and stiffness of instrument.But the degree of depth of spark machined minute aperture is limited, and the increase of working depth along with hole, the frequency of arcing is higher, finally make processing carry out and be forced to interrupt, and the piece surface of spark machined can remain the very thin recast layer of one deck.Laser Processing is a kind of high-energy line processing method, it take light quantum as energy carrier, the photo-thermal effect utilizing the high-energy-density after focusing on to produce removes material, have that process velocity is fast, machining accuracy is high (can to micron order), without cutting force, without the need to advantages such as machining tools, be easy to realize the automation in process, digitlization.But after Laser Processing there is the defects such as recast layer, residual stress and micro-crack and affect the fatigue strength of workpiece in surface of the work, limits the application of its certain fields.The electrochemical machining method of above-mentioned Small Holes mainly adopts line pipe Electrolyzed Processing and electro-stream machining.Electro-stream machining utilizes negative electrode charging electrolyte to be ejected into surface of the work, spray site produces anodic solution and removes material, this technology has the advantages that accessibility is good, surface integrity is good, aspect ratio is large, is generally acknowledged " three nothings " (without recast layer, without residual stress, non-microcracked) process technology.The ripe little hole machined being applied to blade of aviation engine of the country such as the United States, Russia, English, moral.
Through finding that China Patent No. CN1919514A describes a kind of spraying liquid bunch electrolysis-laser composite processing method and device thereof to the literature search of prior art.Its method utilizes generating device of laser to produce the processing of laser beam at the enterprising perform hole of workpiece, seam, groove, and meanwhile, spraying liquid bunch device results from the coaxial high velocity jet liquid bundle of laser beam and removes material; Its device comprises laser instrument and trade union college fixture, also comprises power supply and spraying liquid bunch device, spraying liquid bunch device comprise injection apparatus mount pad, insulation adapter, negative electrode, condenser lens.Protective glasses, insulating coating and nozzle.Method one Laser Processing of this invention is main, the basis of Laser Processing adds the washing away of high velocity jet liquid bundle, cools and the Compound Machining effect of spraying liquid bunch electrolysis under laser irradiation conditions, thus can be implemented in " online " in laser processing procedure and remove recast layer.
Although this technology provides one can process the structures such as Small Holes, seam, groove, and have and can eliminate recast layer, without the processing method of residual stress, the plurality of advantages such as non-microcracked, efficiency is high and special apparatus for working.But this technology does not provide the high-efficiency and precision processing method of how processing belt countersunk head micro hole.When needing the micro hole of processing belt taper countersunk head or special-shaped countersunk head, laser processing directly cannot process countersunk head, and electrochemical machining method cannot reach countersunk head machining needs precision.And as a kind of good special process method of machining accuracy, spark machined has the ability of processing various special-shaped countersunk head.Therefore the comprehensive jet of the utility model guides Laser Processing, spark machined and Electrolyzed Processing three kinds of processing modes, can realize the rapid processing to band countersunk head micro hole.
Summary of the invention
The utility model is for prior art above shortcomings, a kind of jet is provided to guide laser-electric spark-electrolytic combination processing unit (plant), on existing micro hole special processing technology basis, jet is guided Laser Processing, spark machined and Electrolyzed Processing integrated use, reach fast and accurate processing belt countersunk head micro hole.And recast layer on the small hole wall of countersunk head can be eliminated, without residual stress, process band countersunk head micro hole efficiently.
The technical solution of the utility model: utilize laser beam to carry out the through hole preprocessing of countersunk head micro hole on workpiece, recycling tubulose copper electrode carries out spark machined to the countersunk head of micro hole, substantially required countersunk shape precision is reached, finally recycle the high velocity jet electrolyte bundle coaxial with electric discharging machining electrode and Electrolyzed Processing is carried out to whole band countersunk head micro hole, remove the recast layer stayed after the above two are processed.
The structure that the utility model adopts three kinds of special process modes to be integrated in one, is made up of generating device of laser, processing module, working solution circulating system, power module.Wherein generating device of laser is placed in above processing module, ensures that laser beam processing is coaxial with spark machined; Electric discharge machining pole in processing module can static or rotate; Jet guides Laser Processing and spark machined working solution to adopt deionized water, and shares a set of working solution circulating system with Electrolyzed Processing working solution.
Described processing module comprises feed liquor interface, rotatable interface, electrospark electrode whirligig, electrode clamping device, insulation connection seat, brush, hollow edged electrode, wherein feed liquor interface is connected with feed tube, and working solution is realized and being tightly connected of electrospark electrode whirligig by swivel joint.
Described spark machined hollow edged electrode can pass through for laser beam, to realize Laser Processing, and fluidic channel when can be used as jet guiding Laser Processing.
Described spark machined hollow edged electrode is installed on terminal clamp by the mode that electrode off-line is presetting, ensures that hollow edged electrode and terminal clamp have high axiality; Again terminal clamp is installed on spindle chuck, ensures that terminal clamp and spindle chuck have high axiality, thus ensure that spark machined hollow edged electrode and laser beam have high axiality.
Described generating device of laser comprises: generating laser and set of lenses, and wherein wide laser beam is changed into the minimum narrow laser beam of divergence of processing by set of lenses, and set of lenses plays simultaneously and prevents from Working liquids from flowing backwards entering the effect of laser generator.
Described jet guides Laser Processing and spark machined working solution to be deionized water or distilled water, and Electrolyzed Processing liquid is NaOH or potassium hydroxide solution.
Described working solution circulating system includes liquid reserve tank containing division board, filter (Electrolyzed Processing liquid), deionization apparatus (electric spark working solution and jet guide), hydraulic pump, overflow valve, hydralic pressure gauge, switch valve, feed tube, liquid back pipe, for jet guides Laser Processing, spark machined and Electrolyzed Processing to provide working solution.
Described working solution circulating system, when carrying out electrical spark working man-hour, working solution feed tube can be pulled down from feed liquor interface, then Quick is connected in working groove with the inlet on working groove for spark machined working solution, until working solution liquid level is higher than after surface of the work certain distance, then open the circulation of spark machined liquid back pipe switch formation working solution.
Described power module is the pulse power, is respectively the processing electric pulse that spark machined and Electrolyzed Processing provide different parameters.
Described jet guides laser-electric spark-electrolytic combination processing unit (plant) can process needs according to reality, uses wherein a kind of, or any two kinds of processing modes combination, or three kinds of processing mode combinations are processed.
The beneficial effects of the utility model: the utility model is guided by jet Laser Processing, spark machined, each tool advantage of Electrolyzed Processing three kinds respectively to have again not enough processing mode to combine, and completes the high-efficiency and precision processing to band countersunk head micro hole.During wherein Laser Processing micro hole and the hardness of material have nothing to do, almost can punch on all material, speed is fast, and efficiency is high, and heat affected area is little, can carry out highly-efficient processing to blade of aviation engine magnanimity film cooling holes; In edm process, cutting force is little, and low for the intensity of instrument, rigidity requirement, machining accuracy is high, can process the micro hole being with various shape countersunk head; Electrolyzed Processing surface roughness value is low, and is three nothing processing, can avoid re cast layer, micro-crack, residual stress.This device combines above-mentioned three advantage separately in one, realizes, can avoid workpiece secondary clamping with same device, improves machining accuracy, can realize being with countersunk head micro hole quick, accurately process.This device can process needs according to reality simultaneously, uses wherein a kind of, or any two kinds of processing modes combination, or three kinds of processing mode combinations are processed, and reach and process micro hole fast, effectively, accurately.
Accompanying drawing explanation
Fig. 1 is the utility model apparatus structure schematic diagram.
Fig. 2 is processing module structural representation of the present utility model.
Label title in figure: 1, generating device of laser, 2, processing module, 3, power supply, 4, hollow edged electrode, 5, fixture, 6, working groove, 7, liquid back pipe, 8, workbench, 9, working solution circulating system, 10, liquid back pipe switch, 11, working solution liquid reserve tank, 12, deionized water, 13, deionization apparatus, 14, division board, 15, electrolyte, 16, filter, 17, overflow valve, 18, switch valve, 19, hydraulic pump, 20, hydralic pressure gauge, 21, working solution import, 22, workpiece, 23, electrode clamping device, 24, feed tube, 25, feed tube joint, 26, set of lenses, 27, wide laser beam, 28, main shaft, 29, narrow laser beam, 30, swivel joint, 31, motor, 32, Timing Belt, 33, insulation connection seat, 34, spindle chuck, 35, terminal clamp, 36, brush, 37, electrode rotary device.
Detailed description of the invention
This device adopts the structure that three kinds of special process modes are integrated in one as shown in Figure 1, is made up of generating device of laser 1, processing module 2, working solution circulating system 9, power module 2.Wherein generating device of laser 1 is placed in above processing module 2, ensures that laser beam processing is coaxial with spark machined; Electric discharge machining pole 4 in processing module 2 can static or rotate; Jet guides Laser Processing and spark machined working solution to adopt deionized water 12, and shares a set of working solution circulating system 9 with Electrolyzed Processing working solution 15.
Figure 2 shows that processing module 2, comprise feed liquor interface 25, rotatable interface 30, electrospark electrode whirligig 37, electrode clamping device 23, insulation connection seat 33, brush 36, hollow edged electrode 4.Wherein feed liquor interface 25 is connected with feed tube 24, and working solution is realized and being tightly connected of electrospark electrode whirligig 37 by swivel joint 30.
Described electrospark electrode whirligig 37 is made up of motor 31, Timing Belt 32 etc.
Described working solution circulating system 9 includes liquid reserve tank 11, filter (Electrolyzed Processing liquid) 16, deionization apparatus (electric spark working solution and jet guide) 13, hydraulic pump 19, overflow valve 17, hydralic pressure gauge 20, switch valve 18, feed tube 24, liquid back pipe 7 containing division board 14.For jet guides Laser Processing, spark machined and Electrolyzed Processing to provide working solution.The size that jet guides Laser Processing, spark machined and Electrolyzed Processing infusion pressure is obtained by the reading of hydralic pressure gauge 20, control working solution infusion pressure by regulation relief valve 17, so control the laser aiming jet in hollow edged electrode 4 exit, flow velocity that electric spark rushes liquid stream, electrolyte stream.
Case study on implementation 1: spark machined hollow edged electrode 4 in use, first according to reality processing needs, is installed on terminal clamp 34 by the mode that electrode off-line is presetting, ensures that hollow edged electrode 4 and terminal clamp 35 have high axiality by this device; Again terminal clamp 35 is installed on spindle chuck 34, ensures that terminal clamp 35 and spindle chuck 34 have high axiality; Thus ensure that spark machined hollow edged electrode 4 and laser beam 29 have high axiality.After above-mentioned preparation completes, working solution circulating system 9 is started working, deionized water 12 is by deionization apparatus 13, switch valve (identical with electrolysis working solution switch valve 18), hydraulic pump 19, hydralic pressure gauge 20, feed tube 24, swivel joint 30, finally by as jet guide Laser Processing time fluidic channel hollow edged electrode 4, and adjusting the jet guiding intensity size of laser and the flow velocity of jet, laser beam 29 completes the preprocessing to micro hole through hole under jet guides.Subsequently, working solution feed tube 24 is pulled down from feed liquor interface 25, then Quick is connected in working groove with the inlet 21 on working groove 6 for spark machined working solution, until working solution liquid level is higher than after the surperficial certain distance of workpiece 22, open spark machined liquid back pipe switch 10 again and form working solution circulation, power-on module also provides electric discharge machining pulse for spark machined, the counter sink portion of hollow edged electrode 4 pairs of micro hole is utilized to carry out spark machined, can determine in actual process whether electrical spark working hollow edged electrode in man-hour 4 rotates according to actual needs.After above-mentioned two steps complete, change working solution, electrolysis working solution 15 is by filter 16, switch valve 18, hydraulic pump 19, hydralic pressure gauge 20, feed tube 24, swivel joint 30, by the pulse of the output switching of power module needed for Electrolyzed Processing, Electrolyzed Processing is carried out, until complete the processing to countersunk head micro hole by the hollow edged electrode 4 pairs of countersunk head micro hole as electrolysis working solution nozzle.
Case study on implementation 2: when this device processes fine groove, can adopt spark machined and Electrolyzed Processing two kinds processing combination.Working solution feed tube 24 is pulled down from feed liquor interface 25, then Quick is connected in working groove with the inlet 21 on working groove 6 for spark machined working solution, until working solution liquid level is higher than after the surperficial certain distance of workpiece 22, open spark machined liquid back pipe switch 10 again and form working solution circulation, power-on module also provides electric discharge machining pulse for spark machined, open motor 31, drive hollow edged electrode 4 to rotate by Timing Belt 32, and utilize hollow edged electrode 4 to carry out successively electrical discharge milling machining to fine groove.Subsequently, change working solution, electrolysis working solution 15 is by filter 16, switch valve 18, hydraulic pump 19, hydralic pressure gauge 20, feed tube 24, swivel joint 30, by the pulse of the output switching of power module needed for Electrolyzed Processing, Electrolyzed Processing is carried out, until remove fine rooved face re cast layer by the hollow edged electrode 4 pairs of fine grooves of countersunk head as electrolysis working solution nozzle.
Claims (10)
1. a jet guides laser-electric spark-electrolytic combination processing unit (plant), belong to for micro hole, the isostructural special process field of groove, the utility model adopts structure integrated to laser, electric spark and Electrolyzed Processing, it is made up of generating device of laser, processing module, working solution circulating system, power module, it is characterized in that: generating device of laser is placed in above processing module, ensure that laser beam processing is coaxial with spark machined; Electric discharge machining pole in processing module can static or rotate; Jet guides Laser Processing and spark machined working solution to adopt deionized water, and shares a set of working solution circulating system with Electrolyzed Processing working solution.
2. a kind of jet according to claim 1 guides laser-electric spark-electrolytic combination processing unit (plant), it is characterized in that: described processing module (2) comprises feed liquor interface (25), rotatable interface (30), electrospark electrode whirligig (37), electrode clamping device (23), insulation connection seat (33), brush (36), hollow edged electrode (4); Wherein feed liquor interface (25) is connected with feed tube (24), and working solution is realized and being tightly connected of electrospark electrode whirligig (37) by swivel joint (30).
3. a kind of jet according to claim 2 guides laser-electric spark-electrolytic combination processing unit (plant), it is characterized in that: described spark machined hollow edged electrode (4) can supply laser beam (29) to pass through, to realize Laser Processing, and fluidic channel when can be used as jet guiding Laser Processing.
4. a kind of jet according to claim 1 guides laser-electric spark-electrolytic combination processing unit (plant), it is characterized in that: described spark machined hollow edged electrode (4) is installed on terminal clamp (34) by the mode that electrode off-line is presetting, ensure that hollow edged electrode (4) and terminal clamp (35) have high axiality; Again terminal clamp (35) is installed on spindle chuck (34), ensure that terminal clamp (35) and spindle chuck (34) have high axiality, thus ensure that spark machined hollow edged electrode (4) and laser beam (29) have high axiality.
5. a kind of jet according to claim 1 guides laser-electric spark-electrolytic combination processing unit (plant), it is characterized in that: described generating device of laser (1) comprising: generating laser and set of lenses (26), wherein wide laser beam (27) is changed into the minimum narrow laser beam (29) of divergence of processing by set of lenses (26), and set of lenses (26) plays simultaneously and prevents from Working liquids from flowing backwards entering the effect of laser generator.
6. a kind of jet according to claim 1 guides laser-electric spark-electrolytic combination processing unit (plant), it is characterized in that: described jet guides Laser Processing and spark machined working solution (12) to be deionized water or distilled water, and Electrolyzed Processing liquid (15) is NaOH or potassium hydroxide solution.
7. a kind of jet according to claim 1 guides laser-electric spark-electrolytic combination processing unit (plant), it is characterized in that: described working solution circulating system (9) includes the liquid reserve tank (11) containing division board (14), filter (Electrolyzed Processing liquid) (16), deionization apparatus (electric spark working solution and jet guide) (13), hydraulic pump (19), overflow valve (17), hydralic pressure gauge (20), switch valve (18), feed tube (24), liquid back pipe (7), for jet guides Laser Processing, spark machined and Electrolyzed Processing provide working solution.
8. a kind of jet according to claim 1 guides laser-electric spark-electrolytic combination processing unit (plant), it is characterized in that: described working solution circulating system (9), when carrying out electrical spark working man-hour, working solution feed tube (24) can be pulled down from feed liquor interface (25), then Quick is connected in working groove with the inlet (21) on working groove (6) for spark machined working solution, until working solution liquid level is higher than after workpiece (22) surperficial certain distance, open spark machined liquid back pipe switch (10) again and form working solution circulation.
9. a kind of jet according to claim 1 guides laser-electric spark-electrolytic combination processing unit (plant), it is characterized in that: described power module (3) is the pulse power, be respectively the processing electric pulse that spark machined and Electrolyzed Processing provide different parameters.
10. a kind of jet according to claim 1 guides laser-electric spark-electrolytic combination processing unit (plant), it is characterized in that: described jet guides laser-electric spark-electrolytic combination processing unit (plant) can process needs according to reality, use wherein a kind of, or any two kinds of processing modes combination, or three kinds of processing mode combinations are processed.
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| CN201420290669.4U CN204277142U (en) | 2014-06-04 | 2014-06-04 | A kind of jet guides laser-electric spark-electrolytic combination processing unit (plant) |
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| CN201420290669.4U CN204277142U (en) | 2014-06-04 | 2014-06-04 | A kind of jet guides laser-electric spark-electrolytic combination processing unit (plant) |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001999A (en) * | 2014-06-04 | 2014-08-27 | 江南大学 | Jet-flow-guided laser-spark-electrolysis combined machining device |
| CN106346094A (en) * | 2016-09-20 | 2017-01-25 | 河南理工大学 | Device for electrochemical machining of anti-clamping groove for ultra-thin metal cutting blade |
| CN108213957A (en) * | 2017-12-28 | 2018-06-29 | 中国科学院宁波材料技术与工程研究所 | The compound wire-electrode cutting and processing method of micro-electrochemical machining laser and device |
| CN111230239A (en) * | 2020-02-17 | 2020-06-05 | 南京航空航天大学 | Efficient spark electrolysis jet processing method for impact breaking of oxidation film |
-
2014
- 2014-06-04 CN CN201420290669.4U patent/CN204277142U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001999A (en) * | 2014-06-04 | 2014-08-27 | 江南大学 | Jet-flow-guided laser-spark-electrolysis combined machining device |
| CN106346094A (en) * | 2016-09-20 | 2017-01-25 | 河南理工大学 | Device for electrochemical machining of anti-clamping groove for ultra-thin metal cutting blade |
| CN108213957A (en) * | 2017-12-28 | 2018-06-29 | 中国科学院宁波材料技术与工程研究所 | The compound wire-electrode cutting and processing method of micro-electrochemical machining laser and device |
| CN111230239A (en) * | 2020-02-17 | 2020-06-05 | 南京航空航天大学 | Efficient spark electrolysis jet processing method for impact breaking of oxidation film |
| CN111230239B (en) * | 2020-02-17 | 2021-01-19 | 南京航空航天大学 | Efficient spark electrolysis jet processing method for impact breaking of oxidation film |
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Granted publication date: 20150422 Termination date: 20160604 |