CN102079066B - Combined machining system of electrochemistry and magnetic abrasive lapping - Google Patents
Combined machining system of electrochemistry and magnetic abrasive lapping Download PDFInfo
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- CN102079066B CN102079066B CN2010105434649A CN201010543464A CN102079066B CN 102079066 B CN102079066 B CN 102079066B CN 2010105434649 A CN2010105434649 A CN 2010105434649A CN 201010543464 A CN201010543464 A CN 201010543464A CN 102079066 B CN102079066 B CN 102079066B
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Abstract
The invention provides a combined machining system of electrochemistry and magnetic abrasive lapping, comprising a lathe bed (1), an X-axis guide rail (2), a Y-axis motion function component (3), a Z-axis motion function component (4), a principal axis and magnetic circuit system (5), an electrolyte tank (6) and an X-axis motion function component (7). In the combined machining system, a magnetic field which is utilized to absorb suspending ferromagnetism abrasive materials is used for replacing a bind abrasive wheel, and a controllable magnetic field can be used for changing the abrasive materials and controlling an abrasive lapping pressure structure, so that electric energy and mechanical energy are effectively combined in the machining process, thus realizing the machining with high efficiency, high accuracy and low cost, and reaching rough machining and finish machining. The combined machining system is used for supplying power for magnet coils intermittently, and absorbing the ferromagnetism abrasive materials intermittently, thereby overcoming the defects that the abrasive wheel is abraded and blocked, mechanical scratches are generated in machining process and the like. The combined machining system belongs to combination of the electrolysis and abrasive lapping in electromechanical combination, thus reaching the processing accuracy of the electrolysis and abrasive lapping, and improving the processing efficiency of the abrasive lapping. The combined machining system is skillful in design and good in performance, and is convenient and practical.
Description
Technical field
The present invention is the compound Machining System of a kind of electrochemistry and magnetically grinding, the particularly compound Machining System of a kind of electrolysis and grinding, belongs to the renovation technique of the compound Machining System of electrochemistry processing and magnetically grinding.
Background technology
Electrolyzed Processing is based on the Anodic solution principle, and in process, two reaction electrodes do not contact mutually, therefore, can process the workpiece of any metal or alloy material, and does not have machining stress and tool loss.Begin just to apply to the processing of blade in the sixties, but the machining accuracy of Electrolyzed Processing depends mainly on the uniformity of electrochemical dissolution reaction between two reaction electrodes, is reflected to the uniformity that is presented as machining gap and physical and chemical state thereof in specific embodiment.Because the physical and chemical state of machining gap relates to flow field, temperature field, electromagnetic field etc., also do not have up to now really effectively to monitor the method for machining gap state.
The electrochemical machinery Compound Machining is utilized the passivation behavior of electrochemical dissolution process Anodic.In the electrochemical dissolution process, when adopting passivity electrolyte, anode surface can form one deck passivating film, and this layer passivating film can effectively suppress the electrochemical dissolution effect under suitable current density.The electrochemical machinery Compound Machining is exactly to remove passivating film by mechanism, thus zone and position that the effect of guiding electrochemical dissolution occurs.Machining generally belongs to contact processing, and precision is mainly controlled by the mechanical movement of cutter, and therefore, the controllability of electrochemical machinery Compound Machining improves greatly than Electrolyzed Processing.This technology adopts electrochemistry and the compound form of mechanical grinding mostly, starts from Japan the seventies, is successfully applied to the surface of stainless steel, charcoal steel part and the polishing of the inside and outside circle surfaces of revolution in Japan in the eighties, and optimum efficiency can reach minute surface.China began one's study from the nineties, and its form has various complex form according to the shape difference of workpiece in the practice process.
Summary of the invention
The object of the invention is to consider the problems referred to above and provide a kind of electric energy and mechanical energy are effectively made up in process, realize efficient, high accuracy, the Machining System that the electrochemistry of low-cost processing and magnetically grinding are compound.The present invention can overcome the emery wheel wearing and tearing, stops up and process shortcomings such as producing mechanical scratch.Can realize thick, smart Compound Machining.
technical scheme of the present invention is: the electrochemistry processing of the present invention Machining System compound with magnetically grinding, include lathe bed, the X-axis guide rail, Y-axis motor function parts, Z axis motor function parts, main shaft and magnetic circuit system, electrolytic bath, X-axis motor function parts, wherein X-axis motor function parts are placed on the X-axis guide rail, and X-axis motor function parts, Y-axis motor function parts, Z axis motor function parts energy drive shaft and magnetic circuit system are at X, Y, three-dimensional motion on the Z direction, hold the electrolytic bath of electrolyte in process and be placed in the bottom of main shaft and magnetic circuit system, main shaft and magnetic circuit system include the electromagnetism excitation unit, the high permeability magnetic circuit, three parts of electricity main shaft, wherein the electromagnetism excitation unit includes bottom end cover, shell, solenoid, axle sleeve and upper end cover, solenoid is installed in the enclosure and is fixing in the enclosure by upper end cover and bottom end cover, upper end cover and bottom end cover are fixed on shell, whole electromagnetism excitation unit screw bottom axle sleeve is fixed on the installing rack of main shaft and magnetic circuit system, the high permeability magnetic circuit includes the horizontal iron in the bottom of being made by high-permeability material and slip iron core, secured core, the horizontal iron in top, composite tool, the workpiece erecting bed, the horizontal iron revolving bed in bottom, wherein in process, the screw by the cutting ferrule sidewall is fixed on upper end cover along with the secured core of upper motion under main shaft and magnetic circuit system, and when secured core moves up and down, its small end slides in the hole of slip iron core, magnetic field is by the superimposed part transmission of the sidewall of secured core and slip iron core, have gathering sill on the horizontal iron in bottom, slip mandrel lower small end can slide in gathering sill, magnetic field is by the superimposed area transmission of the horizontal iron of slip iron core and bottom, the horizontal ferropexy in bottom is on the horizontal iron revolving bed in bottom, and can rotate by horizontal iron revolving bed around the bottom, the horizontal iron revolving bed in bottom and workpiece erecting bed are fixed by screws in the bottom of electrolytic bath, the workpiece of ferrimagnet is arranged on the workpiece erecting bed, transmit magnetic field by the horizontal iron in top between electricity main shaft and secured core, have the adjustment tank of the installation site that can adjust secured core on the horizontal iron in top, the horizontal iron downside in top leans against on cutting ferrule, and be locked on secured core by hold-down screw, composite tool is arranged on electric main shaft, the carbon brush to the power supply of electrochemistry process is equipped with in electricity main shaft lower end.
Above-mentioned composite tool is arranged on electric main shaft by gas thread, and the rotation direction of electric main shaft is identical with the direction of screw-threaded coupling.
Above-mentioned carbon brush includes hold-down screw, carbon brush holder, graphite carbon brush, lock-screw, carbon brush holder end cap, spring, carbon brush is fixed on the end face of electric main shaft by hold-down screw, having in the electricity main shaft can be by the through hole of electrolyte, the electricity main shaft is fixed on installing rack by axle sleeve, graphite carbon brush is installed on carbon brush holder, the carbon brush holder end cap is fixed on the end face of graphite carbon brush by hold-down screw, the outside of regulating the spring of the contact between graphite carbon brush and electric main shaft is equiped with lock-screw.
Above-mentioned X-axis motor function parts, Y-axis motor function parts, Z axis motor function parts are all the linear movement functional parts, are comprised of ball-screw, guide rail and drive motors three parts.。
Above-mentioned bottom end cover and upper end cover are the aluminum end cap, and shell is aluminium shell.
Above-mentioned bottom end cover and upper end cover are fixed by screws on shell.
Above-mentioned composite tool comprises the matrix of being made by ferrimagnet and dummy slider two parts of being made by nonferromugnetic material, and wherein dummy slider is fixed by screws on matrix.Whole composite tool is fixed on electric main shaft by the taper thread hole of the rear end of matrix.
be equiped with ferromagnetism feeding abrasive material and recovery system on above-mentioned electrolytic bath, ferromagnetism feeding abrasive material and recovery system include the first high concentration abrasive solution case and the second high concentration abrasive solution case of the ferromagnetism abrasive material that different-grain diameter is housed respectively, the first magnetic valve, the second magnetic valve, the first water pump, the second water pump, the first abrasive reclaiming case, the second abrasive reclaiming case, flow valve, elementary filter, secondary filter, the electrolyte case, wherein the first water pump is connected with the first high concentration abrasive solution case and the second high concentration abrasive solution case by the first magnetic valve and the second magnetic valve and pipeline thereof respectively, the abrasive solution that the first water pump extracts in the first high concentration abrasive solution case and the second high concentration abrasive solution case supplies in the working clearance via the swivel joint on electric main tapping, the second water pump is connected with the electrolyte case by pipeline, the second water pump will supply to the working clearance through the swivel joint that flow valve enters on electric main tapping from the electrolyte that the electrolyte case is extracted out by pipeline, the electrolyte that electrolytic bath flows out respectively by the first abrasive reclaiming case and the second abrasive reclaiming case through the little elementary filter of filter core order number, filter out electrolysate in electrolyte through the large secondary filter of filter core order number again, get back to the electrolyte case after waste residue.
The electromagnet that can adsorb the ferromagnetism abrasive material after energising is housed in above-mentioned the first abrasive reclaiming case and the second abrasive reclaiming case.
Above-mentioned installing rack is fixed by screws on Z axis motor function parts; The dummy slider of above-mentioned composite tool arrives the distance of matrix to the distance of workpiece less than dummy slider; Control system on above-mentioned Machining System includes the power supply of electrolysis power and magnet exciting coil, the positive pole of electrolysis power is connected with workpiece, negative pole is connected with lock-screw, and the two ends of above-mentioned magnet exciting coil are connected with the two ends of the power supply of magnet exciting coil respectively.Wiring relation between the power supply of above-mentioned magnet exciting coil and magnet exciting coil is: if magnet exciting coil adopts dextrorotation, the upper end of magnet exciting coil is connected with the negative pole of the power supply of magnet exciting coil, the lower end of magnet exciting coil is connected with the positive pole of the power supply of magnet exciting coil, it is left-handed that if magnet exciting coil adopts, otherwise wiring.
The present invention is because the ferromagnetism abrasive material that adopts magnetic field absorption to suspend replaces fixed formula emery wheel, can change abrasive material and control the structure of grinding pressure by controlled magnetic field, electric energy and mechanical energy are effectively made up in process, realize efficient, high accuracy, processing, can realize Roughing and fine machining cheaply.The present invention passes through to the step power supply of solenoid, step absorption ferromagnetism abrasive material, thus overcome the emery wheel wearing and tearing, stop up and process shortcomings such as producing mechanical scratch.The invention belongs to the compound of electrolysis in electrolytically and mechanically combined form and grinding, both passed through the machining accuracy of electrochemical grinding, also improved the working (machining) efficiency of grinding simultaneously.The present invention is that a kind of design is ingenious, function admirable, the Machining System that convenient and practical electrochemistry and magnetically grinding are compound.
Description of drawings
Fig. 1 (1), Fig. 1 (2), Fig. 1 (3) are respectively front view, top view, the normal axomometric drawing of lathe of the present invention;
Fig. 2 (1) is the cutaway view of main shaft of the present invention and magnetic circuit system, and Fig. 2 (2) is the partial enlarged drawing at carbon brush position;
Fig. 3 (1) is the normal axomometric drawing of composite tool dummy slider, and Fig. 3 (2), Fig. 3 (3), Fig. 3 (4) are respectively normal axomometric drawing, side view, full sectional view;
Fig. 4 is the circulatory system schematic diagram of electrolyte of the present invention and ferromagnetism abrasive solution;
Fig. 5 is the ladder diagram of control system of the present invention.
In Fig. 1:
1 lathe bed 2X axis rail 3Y axle motor function parts 4Z axle motor function parts 5 main shafts and magnetic circuit system 6 electrolytic bath 7X axle motor function parts
In Fig. 2:
The 21 horizontal iron 22 slip iron core 23 secured core 24 installing rack 25 bottom end cover 26 shell 27 solenoid 28 axle sleeve 29 upper end cover 210 cutting ferrule 211 hold-down screw 212 screw 213 electric main shaft 215 electric main shaft sleeve 217 hold-down screw 218 carbon brush holder 219 graphite carbon brush 220 lock-screw 221 carbon brush holder end cap 222 spring 223 composite tool 224 workpiece erecting bed 225 horizontal iron revolving beds in bottom of swivel joint 216 of the horizontal iron 214 in top in bottom
In Fig. 3:
411 level filters of the 41 high concentration abrasive solution case 42 magnetic valve 43 high concentration abrasive solution case 44 magnetic valve 45 water pump 46 flow valve 47 workpiece 48 abrasive reclaiming case 49 elementary filters of abrasive reclaiming case 410,412 water pump 413 electrolyte casees
The specific embodiment
Embodiment:
structural representation of the present invention such as Fig. 1, 2, 3, shown in 4, the electrochemistry processing of the present invention Machining System compound with magnetically grinding, include lathe bed 1, X-axis guide rail 2, Y-axis motor function parts 3, Z axis motor function parts 4, main shaft and magnetic circuit system 5, electrolytic bath 6, X-axis motor function parts 7, wherein X-axis motor function parts 7 are placed on X-axis guide rail 2, and X-axis motor function parts 7, Y-axis motor function parts 3, Z axis motor function parts 4 energy drive shaft and magnetic circuit system 5 are at X, Y, three-dimensional motion on the Z direction, the electrolytic bath 6 that holds electrolyte in process is placed in the bottom of main shaft and magnetic circuit system 5, main shaft and magnetic circuit system 5 include the electromagnetism excitation unit, the high permeability magnetic circuit, three parts of electricity main shaft, wherein the electromagnetism excitation unit includes bottom end cover 25, shell 26, solenoid 27, axle sleeve 28 and upper end cover 29, solenoid 27 is arranged in shell 26 and is fixed in shell 26 by upper end cover 29 and bottom end cover 25, upper end cover 29 and bottom end cover 25 are fixed on shell 26, whole electromagnetism excitation unit is fixed on the installing rack 24 of main shaft and magnetic circuit system 5 by axle sleeve 28 bottom screws, the high permeability magnetic circuit include the horizontal iron 21 in the bottom of being made by high-permeability material and, slip iron core 22, secured core 23, the horizontal iron 213 in top, composite tool 223, workpiece erecting bed 224, the horizontal iron revolving bed 225 in bottom, the secured cores 23 that wherein upward move for 5 times along with main shaft and magnetic circuit system in process are fixed on upper end cover 29 by the screw 212 of cutting ferrule 210 sidewalls, and when secured core 23 moves up and down, its small end slides in the hole of slip iron core 22, magnetic field is by the sidewall superimposed part transmission of secured core 23 with slip iron core 22, have gathering sill on the horizontal iron 21 in bottom, slip iron core 22 bottom small ends can slide in gathering sill, magnetic field is by slip iron core 22 and the superimposed area transmission of the horizontal iron 21 in bottom, the horizontal iron 21 in bottom is fixed on the horizontal iron revolving bed 225 in bottom, and can rotate by horizontal iron revolving bed 225 around the bottom, the horizontal iron revolving bed 225 in bottom and workpiece erecting bed 224 are fixed by screws in the bottom of electrolytic bath 6, the workpiece of ferrimagnet is arranged on workpiece erecting bed 224, transmit magnetic field by the horizontal iron 213 in top between electricity main shaft 214 and secured core 23, have the adjustment tank of the installation site that can adjust secured core 23 on the horizontal iron 213 in top, horizontal iron 213 downsides in top lean against on cutting ferrule 210, and be locked on secured core 23 by hold-down screw 211, composite tool 223 is arranged on electric main shaft 214, the carbon brush to the power supply of electrochemistry process is equipped with in electricity main shaft 214 lower ends.
Screw 212 due to secured core 23 by cutting ferrule 210 sidewalls is fixed on upper end cover 29, therefore can be along with main shaft and 5 times upper motions of magnetic circuit system in process.When secured core 23 moved up and down, its small end slided in the hole of slip iron core 22, and magnetic circuit is by the sidewall superimposed part transmission of secured core 23 with slip iron core 22.Slide in the gathering sill that slip iron core 22 bottom small ends can have on the horizontal iron 21 in bottom, magnetic field is by slip iron core 22 and the superimposed area transmission of the horizontal iron 21 in bottom.The horizontal iron 21 in bottom is fixed on the horizontal iron revolving bed 225 in bottom, and can rotate by horizontal iron revolving bed 225 around the bottom.Therefore, main shaft and magnetic circuit system 5 are when doing XYZ to motion, as long as secured core 23 hole of not deviating to slide iron core 22 when Z-direction is moved, and the small end of slip iron core 22 is in the gathering sill of the horizontal iron 21 in bottom, and magnetic field can be delivered on the horizontal iron revolving bed 225 in bottom.In addition, because the horizontal iron revolving bed in bottom 225 and workpiece erecting bed 224 are fixed by screws in electrolyte case bottom, the workpiece of ferrimagnet is arranged on workpiece erecting bed 224, thereby magnetic field is delivered on ferromagnetic workpiece from the bottom.Transmit magnetic field by the horizontal iron 213 in top between electricity main shaft 214 and secured core 23, have adjustment tank on the horizontal iron 213 in top, can adapt within the specific limits secured core 23 positions.Horizontal iron 213 downsides in top lean against on cutting ferrule 210, and are locked on secured core 23 by hold-down screw 211, thereby electric main shaft 214 is led in magnetic field, and electric main shaft 214 is transmitted to magnetic field again composite tool 223.In process, electric main shaft 214 mainly provides the gyration that is adsorbed on the ferromagnetism abrasive material that adsorbs between composite tool 223 and ferromagnetic workpiece.By hold-down screw 217, carbon brush is fixed on the end face of electric main shaft 214.In addition, also having in electricity main shaft 214 can be by the through hole of electrolyte, electrolytic bath 6 plays the effect of holding electrolyte in process, process electrolyte sprays from composite tool, enter into the working clearance of composite tool, then flow into electrolytic bath 6 and return the electrolyte liquid reserve tank through the orifice flow of electrolytic bath lower sidewall.
Above-mentioned composite tool 223 is arranged on electric main shaft 214 by gas thread, and the rotation direction of electric main shaft 214 is identical with the direction of screw-threaded coupling.
above-mentioned carbon brush includes hold-down screw 217, carbon brush holder 218, graphite carbon brush 219, lock-screw 220, carbon brush holder end cap 221, spring 222, carbon brush is fixed on the end face of electric main shaft 214 by hold-down screw 217, having in electricity main shaft 214 can be by the through hole of electrolyte, electricity main shaft 214 is fixed on installing rack 24 by axle sleeve 28, graphite carbon brush 219 is installed on carbon brush holder 218, carbon brush holder end cap 221 is fixed on the end face of graphite carbon brush 219 by hold-down screw 217, the outside of regulating the spring 222 of the contact between graphite carbon brush 219 and electric main shaft 214 is equiped with lock-screw 220.
Above-mentioned X-axis motor function parts 7, Y-axis motor function parts 3, Z axis motor function parts 4 are all the linear movement functional parts, are comprised of ball-screw, guide rail and drive motors three parts.
Above-mentioned bottom end cover 25 and upper end cover 29 are the aluminum end cap, and shell 26 is aluminium shell.
Above-mentioned bottom end cover 25 and upper end cover 29 are fixed by screws on shell 26.
Above-mentioned composite tool 223 comprises the matrix 31 of being made by ferrimagnet and dummy slider 33 two parts of being made by nonferromugnetic material, and wherein dummy slider 33 is fixed on matrix 31 by screw 32.Whole composite tool 223 is fixed on electric main shaft 214 by the taper thread hole of the rear end of matrix 33.In the present embodiment, dummy slider 33 is made by brass, and in process, at the end of matrix 31 absorption Insulating Ferromagnets abrasive material, and abrasive material is not adsorbed at dummy slider 33 positions, only play the electrochemistry cathodic process, and matrix 31 plays the effect of magnetic pole and negative electrode simultaneously.
be equiped with ferromagnetism feeding abrasive material and recovery system on above-mentioned electrolytic bath 6, ferromagnetism feeding abrasive material and recovery system include the first high concentration abrasive solution case 41 and the second high concentration abrasive solution case 43 of the ferromagnetism abrasive material that different-grain diameter is housed respectively, the first magnetic valve 42, the second magnetic valve 44, the first water pump 45, the second water pump 412, the first abrasive reclaiming case 48, the second abrasive reclaiming case 49, flow valve 46, elementary filter 410, secondary filter 411, electrolyte case 413, wherein the first water pump 45 is connected with the first high concentration abrasive solution case 41 and the second high concentration abrasive solution case 43 by the first magnetic valve 42 and the second magnetic valve 44 and pipeline thereof respectively, the abrasive solution that the first water pump 45 extracts in the first high concentration abrasive solution casees 41 and the second high concentration abrasive solution case 43 supplies in the working clearance via the swivel joint 215 on 214, electric main shaft, the second water pump 412 is connected with electrolyte case 413 by pipeline, the electrolyte that the second water pump 412 will be extracted out from electrolyte case 413 by pipeline supplies to the working clearance through the swivel joint 215 that flow valve 46 enters on 214, electric main shaft, the electrolyte that electrolytic bath 6 flows out respectively by the first abrasive reclaiming case 48 and the second abrasive reclaiming case 49 through the little elementary filter 410 of filter core order number, filter out electrolysate in electrolyte through the large secondary filter 411 of filter core order number again, get back to electrolyte case 413 after waste residue.
The electromagnet that can adsorb the ferromagnetism abrasive material after energising is housed in above-mentioned the first abrasive reclaiming case 48 and the second abrasive reclaiming case 49.
In the present embodiment, above-mentioned installing rack 24 is fixed by screws on Z axis motor function parts 4; The dummy slider 33 of above-mentioned composite tool 223 arrives the distance of matrix 31 to the distance of workpiece less than dummy slider 33; In addition, the present invention also is provided with control system, and control system includes the power supply of electrolysis power and magnet exciting coil 27, and the positive pole of electrolysis power is connected with workpiece, negative pole is connected with lock-screw 220, and the two ends of above-mentioned magnet exciting coil 27 are connected with the two ends of the power supply of magnet exciting coil 27 respectively.。
Operation principle of the present invention is as follows: the workpiece material that the present invention processes is mainly ferromagnetic metal material, the ferromagnetism abrasive material of thick, thin two kinds of particle diameters is housed in the first high concentration abrasive solution case 41 and the second high concentration abrasive solution case 43, mixer is housed on case, guarantee that abrasive material evenly distributes in solution, this abrasive material case can also increase the abrasive material case of other different-grain diameters to adapt to the demand of different processing according to process requirements.When carrying out roughing, the first magnetic valve 42 is open-minded, and the second magnetic valve 44 cuts out.When carrying out the essence throwing, the second magnetic valve 44 is open-minded, and the first magnetic valve 42 cuts out.
Processing is divided into three phases: processing preparatory stage, processing are carried out stage and process finishing stage.Preparatory stage, clamping composite tool 223 to electric main shaft 214, with clamping workpiece to workpiece erecting bed 224.The main shaft Z-direction moves down carries out tool setting, because the required precision to machining gap is not high, can carry out manual tool setting in conjunction with feeler gauge, by selecting feeler gauge thickness setting working clearance size.Carry out numerical control programming according to the workpiece profile shape and determine the composite tool movement locus, set the speed of mainshaft, feed speed, abrasive type, replacing interval time, change used time and short circuit rollback amount according to technological requirement.
During the processing beginning, one of them of the first magnetic valve 42 and the second magnetic valve 44 is open-minded, and the second water pump 412 cuts out, the first water pump 45 is open-minded, and electrolysis power keeps closing, and exciting current is open-minded, without motion control signal output, carry out the absorption for the first time of ferromagnetism abrasive material this moment.After absorption is completed, the first water pump 45 cuts out, and the second water pump 412 is opened, and electrolysis power is open-minded, and exciting current is open-minded, and the digital control signal of motion module XYZ is open-minded, carries out electrochemistry magnetically grinding Compound Machining.Control system can be set abrasive material and change interlude and can set the abrasive material time used of changing.When the replacing abrasive material interval time that reaches setting, remove the ferromagnetism abrasive material of composite tool 223 ends under the automatic running of control system, again adsorb unworn ferromagnetism abrasive material.
The specific implementation control flow is as follows, and at first, electrolysis power is closed, and exciting current is closed, and the second water pump 412 continues open-minded, and control signal interrupts preserving current location information, and the first water pump 45 keeps cutting out, and utilizes electrolyte to wash away the ferromagnetism abrasive material of composite tool 223.Then, then close the second water pump 412, open the first water pump 45, electrolysis power continues to close, and opens exciting current, absorption ferromagnetism abrasive material.Set the abrasive material replacing during time used when reaching, close the first water pump 45, open the second water pump 412, open electrolysis power, when reading in interruption, positional information is opened the motion module control signal, carries out electrochemistry magnetically grinding Compound Machining.In process, the data collecting system different acquisition carbon brush lock-screw in control system and voltage and the electric current procedure parameter between workpiece, and compare with the short-circuit condition value of setting.If when surpassing set short-circuit condition value, the short circuit rollback amount that motion module sets along the machining locus rollback, in back off procedure, electrolysis power is closed, and it is open-minded that exciting current keeps, and the second water pump 412 stops feed flow.After rollback was completed, each parts are work as usual.
During process finishing, close electrolysis power, exciting current, the first water pump 45, the second water pump 412 by control system, main shaft Z-direction cutter lifting interrupts digital control signal, unloads workpiece.Take out electromagnet in the first abrasive reclaiming case 48 and the second abrasive reclaiming case 49 and the ferromagnetism abrasive material of absorption, reclaim the ferromagnetism abrasive material.
Claims (10)
1. the compound Machining System of an electrochemistry and magnetically grinding, it is characterized in that including lathe bed (1), X-axis guide rail (2), Y-axis motor function parts (3), Z axis motor function parts (4), main shaft and magnetic circuit system (5), electrolytic bath (6), X-axis motor function parts (7), wherein X-axis motor function parts (7) are placed on X-axis guide rail (2), and X-axis motor function parts (7), Y-axis motor function parts (3), Z axis motor function parts (4) energy drive shaft and magnetic circuit system (5) are at X, Y, three-dimensional motion on the Z direction, the electrolytic bath (6) that holds electrolyte in process is placed in the bottom of main shaft and magnetic circuit system (5), main shaft and magnetic circuit system (5) include the electromagnetism excitation unit, the high permeability magnetic circuit, (214) three parts of electricity main shaft, wherein the electromagnetism excitation unit includes bottom end cover (25), shell (26), solenoid (27), axle sleeve (28) and upper end cover (29), solenoid (27) is arranged in shell (26) and is fixed in shell (26) by upper end cover (29) and bottom end cover (25), upper end cover (29) and bottom end cover (25) are fixed on shell (26), whole electromagnetism excitation unit screw bottom axle sleeve (28) is fixed on the installing rack (24) of main shaft and magnetic circuit system (5), the high permeability magnetic circuit includes the horizontal iron in the bottom of being made by high-permeability material (21) and slip iron core (22), secured core (23), the horizontal iron in top (213), composite tool (223), workpiece erecting bed (224), the horizontal iron revolving bed in bottom (225), the secured core (23) that wherein upward moves down along with main shaft and magnetic circuit system (5) in process is fixed on upper end cover (29) by the screw (212) of cutting ferrule (210) sidewall, and secured core (23) is when moving up and down, its small end slides in the hole of slip iron core (22), magnetic field is by the sidewall superimposed part transmission of secured core (23) with slip iron core (22), have gathering sill on the horizontal iron in bottom (21), slip iron core (22) bottom small end can slide in gathering sill, magnetic field is by slip iron core (22) and the superimposed area transmission of the horizontal iron in bottom (21), the horizontal iron in bottom (21) is fixed on the horizontal iron revolving bed in bottom (225), and can rotate by horizontal iron revolving bed (225) around the bottom, the horizontal iron revolving bed in bottom (225) and workpiece erecting bed (224) are fixed by screws in the bottom of electrolytic bath (6), the workpiece of ferrimagnet is arranged on workpiece erecting bed (224), transmit magnetic field by the horizontal iron in top (213) between electricity main shaft (214) and secured core (23), have the adjustment tank of the installation site that can adjust secured core (23) on the horizontal iron in top (213), the horizontal iron in top (213) downside leans against on cutting ferrule (210), and be locked on secured core (23) by hold-down screw (211), composite tool (223) is arranged on electric main shaft (214), the carbon brush to the power supply of electrochemistry process is equipped with in electricity main shaft (214) lower end.
2. the compound Machining System of electrochemistry according to claim 1 and magnetically grinding, it is characterized in that above-mentioned composite tool (223) is arranged on electric main shaft (214) by gas thread, the rotation direction of electric main shaft (214) is identical with the direction of screw-threaded coupling.
3. the compound Machining System of electrochemistry according to claim 1 and magnetically grinding, it is characterized in that above-mentioned carbon brush includes hold-down screw (217), carbon brush holder (218), graphite carbon brush (219), lock-screw (220), carbon brush holder end cap (221), spring (222), carbon brush is fixed on the end face of electric main shaft (214) by hold-down screw (217), having in electricity main shaft (214) can be by the through hole of electrolyte, electricity main shaft (214) is fixed on installing rack (24) by axle sleeve (28), graphite carbon brush (219) is installed on carbon brush holder (218), carbon brush holder end cap (221) is fixed on the end face of graphite carbon brush (219) by hold-down screw (217), the outside of regulating the spring (222) of the contact between graphite carbon brush (219) and electric main shaft (214) is equiped with lock-screw (220).
4. the compound Machining System of electrochemistry according to claim 1 and magnetically grinding, it is characterized in that above-mentioned X-axis motor function parts (7), Y-axis motor function parts (3), Z axis motor function parts (4) are all the linear movement functional parts, formed by ball-screw, guide rail and drive motors three parts.
5. the compound Machining System of electrochemistry according to claim 1 and magnetically grinding, is characterized in that above-mentioned bottom end cover (25) and upper end cover (29) are the aluminum end cap, and shell (26) is aluminium shell.
6. the compound Machining System of electrochemistry according to claim 1 and magnetically grinding, is characterized in that above-mentioned bottom end cover (25) and upper end cover (29) are fixed by screws on shell (26).
7. the compound Machining System of electrochemistry according to claim 3 and magnetically grinding, it is characterized in that dummy slider (33) two parts that above-mentioned composite tool (223) comprises the matrix (31) of being made by ferrimagnet and made by nonferromugnetic material, wherein dummy slider (33) is fixed on matrix (31) by screw (32), and whole composite tool (223) is fixed on electric main shaft (214) by the taper thread hole of matrix (33) rear end.
8. the compound Machining System of the described electrochemistry of according to claim 1 to 7 any one and magnetically grinding, it is characterized in that being equiped with ferromagnetism feeding abrasive material and recovery system on above-mentioned electrolytic bath (6), ferromagnetism feeding abrasive material and recovery system include the first high concentration abrasive solution case (41) and the second high concentration abrasive solution case (43) of the ferromagnetism abrasive material that different-grain diameter is housed respectively, the first magnetic valve (42), the second magnetic valve (44), the first water pump (45), the second water pump (412), the first abrasive reclaiming case (48), the second abrasive reclaiming case (49), flow valve (46), elementary filter (410), secondary filter (411), electrolyte case (413), wherein the first water pump (45) is connected with the first high concentration abrasive solution case (41) and the second high concentration abrasive solution case (43) by the first magnetic valve (42) and the second magnetic valve (44) and pipeline thereof respectively, the abrasive solution that the first water pump (45) extracts in the first high concentration abrasive solution case (41) and the second high concentration abrasive solution case (43) supplies in the working clearance via the swivel joint (215) on electric main shaft (214) head, the second water pump (412) is connected with electrolyte case (413) by pipeline, the second water pump (412) will supply to the working clearance through the swivel joint (215) that flow valve (46) enters on electric main shaft (214) head from the electrolyte that electrolyte case (413) is extracted out by pipeline, the electrolyte that electrolytic bath (6) flows out respectively by the first abrasive reclaiming case (48) and the second abrasive reclaiming case (49) through the little elementary filter (410) of filter core order number, filter out electrolysate in electrolyte through the large secondary filter (411) of filter core order number again, get back to electrolyte case (413) after waste residue.
9. the compound Machining System of electrochemistry according to claim 8 and magnetically grinding is characterized in that being equipped with in above-mentioned the first abrasive reclaiming case (48) and the second abrasive reclaiming case (49) electromagnet that can adsorb the ferromagnetism abrasive material after energising.
10. the compound Machining System of electrochemistry according to claim 7 and magnetically grinding, is characterized in that above-mentioned installing rack (24) is fixed by screws on Z axis motor function parts (4); The dummy slider (33) of above-mentioned composite tool (223) arrives the distance of matrix (31) to the distance of workpiece less than dummy slider (33); Control system on above-mentioned Machining System includes the power supply of electrolysis power and solenoid (27), the positive pole of electrolysis power is connected with workpiece, negative pole is connected with lock-screw (220), and the two ends of above-mentioned solenoid (27) are connected with the two ends of the power supply of magnet exciting coil (27) respectively.
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| CN105643029B (en) * | 2016-01-14 | 2017-09-19 | 辽宁科技大学 | A kind of method and device of electrochemistry magnetic grinding skin processing compo pipe |
| CN108714824B (en) * | 2018-06-08 | 2023-06-02 | 辽宁科技大学 | Portable magnetic rust removal polishing machine and use method |
| CN108555701A (en) * | 2018-06-14 | 2018-09-21 | 辽宁科技大学 | It is electrolysed the device of magnetic force Compound Machining plane |
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| CN109986157B (en) * | 2019-03-13 | 2020-06-05 | 大连汇智工大特种精密机械有限公司 | Improved device based on electrochemical machining power supply leading-in device |
| CN109848496B (en) * | 2019-03-13 | 2020-07-28 | 大连汇智工大特种精密机械有限公司 | Electrochemical machining power supply leading-in device |
| CN109827898B (en) * | 2019-03-29 | 2021-09-17 | 河海大学 | Metal corrosion test device |
| CN111482890B (en) * | 2020-05-28 | 2021-05-25 | 浙江师范大学 | Magnetic grinding device and magnetic grinding control method |
| CN112025486B (en) * | 2020-08-25 | 2022-04-15 | 镤伟科技(深圳)有限公司 | Numerical control full-automatic machine tool special for cam |
| CN113084702B (en) * | 2021-04-26 | 2022-07-15 | 南京农业大学 | Rotary part end surface pulse vibration electrochemical grinding method and device |
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Effective date of registration: 20170607 Address after: 511440 Guangdong city of Guangzhou province Panyu District road 83, Shilou town Patentee after: Guangzhou Lianhe Technology Development Co., Ltd. Address before: 510006 Panyu District, Guangzhou, Guangzhou University,, West Ring Road, No. 100 Patentee before: Guangdong University of Technology |