Multistation electrolysis accurate grinding automatic machine
Affiliated technical field
The present invention is that a kind of cutter net to shaver carries out the grinding of multistation Electrolyzed Processing, makes the cutter net thickness of shaver reach required precision, and finished surface does not produce the device of burr, crackle.
Background technology
At present, the main machining method of shaver net has pipe sand cover mill, Digit Control Machine Tool processing and spark machined.Pipe sand cover mill is to be rolled into tubulose by sand paper, surface roughness is influenced by the particles of silicon carbide thickness in grinding process, adopt repeatedly grinding, need a large amount of artificial hand grindings, and cause the abrasion of grinding wheel degree big, and make the grinding of shaver net exist efficient low, grinding accuracy is low, yield rate is low, shortcomings such as cost height.Digit Control Machine Tool processing, surface roughness is low, needs to increase to handle the cost height.The spark machined cost is big, and processing progress is slow, and export license is big.These processing methods all exist needs a large amount of artificial, and difficulty is big, poor efficiency, and expensive shortcoming makes the processing cost height of shaver net, the production cycle is long.
Electrochemical grinding is a kind of special process that electrolysis combines with mechanical grinding, claims the electrochemistry grinding again.Workpiece links to each other with the positive pole of dc source as anode, and conductive abrasive wheel links to each other with the negative pole of dc source as negative electrode.Electrochemical grinding is suitable for the metal material of difficult grindings such as the various high strength of grinding, high rigidity, thermal sensitivity, fragility, utilize electrochemical grinding that the shaver net is processed, can cut down greatly manually, enhance productivity and machining accuracy, reduce the manufacturing cost of workpiece.
Summary of the invention
In order to overcome, efficient low, cost high difficulty low to shaver net machining accuracy at present, the invention provides a kind of multistation electrolysis accurate grinding automatic machine, this automatic machine should be saved manually, reduces the workpiece loss, increase work efficiency and machining accuracy.
The technical solution used in the present invention is: a kind of multistation electrolysis accurate grinding automatic machine, it comprises mainframe box, automatic charging device and automatic blanking device, it is characterized in that: it also comprises the first grinding spindle case, turning device, the second grinding spindle case, clamp mechanism and control device; Described automatic charging device, mainframe box and automatic blanking device are arranged in order, the described first grinding spindle case, turning device and the second grinding spindle case are arranged in order at mainframe box, the mainframe box corresponding with the first grinding spindle case is provided with first and supports the powered operation platform, and the mainframe box corresponding with the second grinding spindle case is provided with second and supports the powered operation platform; Described clamp mechanism adopts a plurality of pallets that are provided with 8 eye positions to be connected in series and forms a conveyer chain, by transmitting cylinder pulling pallet the whole piece conveyer chain is moved forward, make that pallet moves on the automatic charging device successively, on the below of the first grinding spindle case 6, turning device, on the below and automatic blanking device of the second grinding spindle case; The described first support powered operation platform and second supports the powered operation platform and respectively is provided with zirconia ceramics base, workbench electrode and workbench film, when grinding work is carried out, pallet is supported, workbench electrode and workbench film all adopt the anticorrosion metal material, provide electrolyte by the electrolyte pipeline to the workpiece in the pallet, and be connected with the anchor clamps film with the jigs electrode of pallet by workbench electrode power supply, workbench film workpiece is powered; The described first grinding spindle case and the second grinding spindle case respectively are provided with 8 electrical grinding heads and emery wheel, utilize numerical control simultaneously the workpiece in 8 eye positions that are fixed on pallet to be carried out grinding to zero automatically; The pallet that described turning device adopts the driving gear drives driven gear to make way in the clip groove overturns; Described control device adopts pneumatic, electronic and numerical control combines; Described automatic machine is when work, automatic charging device carries out automatic charging in 8 eye positions of pallet to workpiece, enter into first by conveyer and support powered operation platform top, electrolyte carries out electrolysis to workpiece, front face surface generates oxide-film, electrical grinding head in the first grinding spindle case descends and makes the emery wheel that is fixed on the electrical grinding subfacies carry out grinding, remove the oxide-film that electrolysis generates, workpiece continues by electrolysis and grinding again, after positive grinding is finished, pallet enters in the clip groove of turning device and turns over turnback, make the workpiece reverse side up, enter into again that the reverse side to workpiece carries out electrochemical grinding under the second grinding spindle case, enter into automatic blanking device after finishing workpiece is carried out automatic blanking.
Described automatic charging device comprises storage bin, vibrating disk, shackle rod cylinder, shackle rod, locating rack cylinder and locating rack, all be installed on the automatic charging device support, shackle rod and locating rack are transmitted the pull bar cylinder respectively and the locating rack cylinder promotes to move at the automatic charging device support, and workpiece is carried out material loading.
Described automatic blanking device comprises blanking cylinder, blanking hook, blanking groove and finished product box, all is installed on the automatic blanking device support, and blanking cylinder pulling blanking hook goes out workpiece hook from pallet.
Described conveyer is provided with and transmits cylinder and decline cylinder, and the decline cylinder is installed on the automatic blanking device support, and the rising cylinder is installed on the automatic charging device support, and conveyer belt is installed in mainframe box inside.
The invention has the beneficial effects as follows: this multistation electrolysis accurate grinding automatic machine adopts boat plate type structure pallet, automatic loading/unloading, operation when can carry out 8 stations, utilize the conductive abrasive wheel of electrolysis and mechanical grinding ability that the shaver net is processed, significantly increase work efficiency, processing stability and precision, and the loss of reduction emery wheel, save production cost.Finished surface does not produce grinding burn, crackle, affected layer and burr etc.The Surface Machining roughness reaches as high as 0.04~0.02 micron.Can be implemented in by turning device that the positive and negative two sides to workpiece processes on the machine.Adopt the conduction form of electrode power supply, film connection, the steel loop that floats that workpiece is carried out Electrolyzed Processing, both solved the conduction problem between workpiece, electrolyte, the emery wheel, guaranteed the machining accuracy to workpiece again.With the zirconia base as support, utilize its insulation, wear-resisting, difficulty that characteristic high temperature resistance has solved insulation, support and fret wear effectively, and agree with by the profile of base and workpiece, the Working position of workpiece is played the effect of centering, prevent that emery wheel from adding man-hour because position deviation causes damage to workpiece.Utilize hermetic seal to prevent that electrolyte from causing when wheel grinding and spill and atomize, thereby enter in the grinding spindle case part is caused wearing and tearing.
Description of drawings
Fig. 1 is a kind of multistation electrolysis accurate grinding automatic machine front view.
Fig. 2 is a kind of multistation electrolysis accurate grinding automatic machine cutaway view.
Fig. 3 is a kind of front view of multistation electrolysis accurate grinding automatic machine grinding spindle case.
Fig. 4 is a kind of cutaway view of multistation electrolysis accurate grinding automatic machine electrical grinding head.
Fig. 5 is a kind of front view of multistation electrolysis accurate grinding automatic machine automatic charging device.
Fig. 6 is a kind of vertical view of multistation electrolysis accurate grinding automatic machine automatic charging device.
Fig. 7 is a kind of vertical view of multistation electrolysis accurate grinding automatic machine turning device.
Fig. 8 is a kind of side view of multistation electrolysis accurate grinding automatic machine turning device.
Fig. 9 is a kind of front view of multistation electrolysis accurate grinding automatic machine automatic blanking device.
Figure 10 is a kind of side view of multistation electrolysis accurate grinding automatic machine automatic blanking device.
Figure 11 is a kind of vertical view of multistation electrolysis accurate grinding automatic machine pallet.
Figure 12 is a kind of cutaway view of multistation electrolysis accurate grinding automatic machine pallet.
Figure 13 is the vertical view that a kind of multistation electrolysis accurate grinding automatic machine supports the powered operation platform.
Figure 14 is the cutaway view that a kind of multistation electrolysis accurate grinding automatic machine supports the powered operation platform.
Figure 15 is a kind of multistation electrolysis accurate grinding automatic machine conduction form principle Fig. 1.
Figure 16 is a kind of multistation electrolysis accurate grinding automatic machine conduction form principle Fig. 2.
Figure 17 is a kind of multistation electrolysis accurate grinding automatic machine conduction form partial enlarged drawing.
Among the figure: 1, mainframe box, 2, storage bin, 3, vibrating disk, 4, automatic charging device, 5, first supports powered operation platform, 6, the first grinding spindle case, 7, turning device, 8, second supports powered operation platform, 9, the second grinding spindle case, 10, automatic blanking device, 11, conveyer belt, 12, the automatic charging device support, 13, support powered operation platform base plate, 14, the grinding spindle box bracket, 15, the turning device support, 16, the automatic blanking device support, 17, the electrical grinding head, 18, emery wheel, 19, grinding spindle case cylinder, 20, pallet, 21, the shackle rod cylinder, 22, shackle rod, 23, the locating rack cylinder, 24, locating rack, 25, gear motor, 26, driven wheel, 27, driven gear, 28, clip groove, 29, the blanking cylinder, 30, the blanking hook, 31, blanking groove, 32, finished product box, 33, transmit cylinder, 34, the decline cylinder, 35, the rising cylinder, 36, the conveyer belt motor, 37, exhaust outlet, 38, the upper strata steel plate, 39, lower floor's steel plate, 40, the eye position, 41, C type connector, 42, T type connector, 43, the zirconia ceramics base, 44, the electrolyte pipeline, 45, the ceramic base aperture, 46, the workbench electrode, 47, the workbench film, 48, jigs electrode, 49, the anchor clamps film, 50, the anchor clamps steel loop, 51, insulation sleeve, 52, workpiece.
The specific embodiment
As Fig. 1-shown in Figure 17, multistation electrolysis accurate grinding automatic machine, comprise mainframe box 1, automatic charging device 4, first supports powered operation platform 5, the first grinding spindle case 6, turning device 7, second supports powered operation platform 8, the second grinding spindle case 9 and automatic blanking device 10, automatic charging device support 12 and automatic blanking device support 16 are fixedly connected on the both sides of mainframe box 1, storage bin 2, vibrating disk 3, shackle rod cylinder 21, locating rack cylinder 23, rising cylinder 35 and conveyer belt motor 25 are fixedly connected on the automatic charging device support 12, shackle rod 22 and locating rack 24 are fixedly connected on respectively on shackle rod cylinder 21 and the locating rack cylinder 23, can move reciprocatingly at automatic charging device support 12, the first grinding spindle case 6 and the second grinding spindle case 9 are fixedly connected on the top of mainframe box 1, grinding spindle case cylinder 19 is fixedly connected on the top of the first grinding spindle case 6, electrical grinding head 17 is fixedly connected on the grinding spindle case cylinder 19, emery wheel 18 is fixedly connected on the below of electrical grinding head 17, described first supports powered operation platform 5 and second supports the below that powered operation platform 8 is fixedly connected on the top of mainframe box 1 and lays respectively at the first grinding spindle case 6 and the second grinding spindle case 9, zirconia ceramics base 43, electrolyte pipeline 44, workbench electrode 46, workbench film 47 is fixed on and supports on the powered operation platform, turning device support 15 and gear motor 25 are fixedly connected on the top of mainframe box 1, it is the centre of the first grinding spindle case 6 and the second grinding spindle case 9, driven wheel 26 is fixedly connected on the gear motor 25, driven gear 27 is fixedly connected on the clip groove 28, driven wheel 26 and driven gear 27 think that interlock drives clip groove 28 and do 180 degree rotations in turning device support 15, blanking cylinder 29, blanking groove 31, finished product box 32, transmit cylinder 33, decline cylinder 34 is fixedly connected on the automatic blanking device support 16, blanking hook 30 is fixedly connected on the blanking cylinder 29, by 29 actions of blanking cylinder the workpiece hook is gone out, conveyer belt 11 is fixedly connected on the inside of mainframe box 1, pallet 20 is made up of upper strata steel plate 38 and lower floor's steel plate 39, C type connector is fixed on the upper strata steel plate 38, T type connector is fixed on lower floor's steel plate 39, jigs electrode 48, anchor clamps film 49, anchor clamps steel loop 50 and insulation sleeve 51 are fixed on upper strata steel plate 38 and the lower floor's steel plate 39, and insulation sleeve 51 is enclosed within the outside of anchor clamps steel loop 50.
Enter into two vibrating disks 3 respectively after workpiece 52 put into storage bin 2, vibrating disk 3 vibrations are divided into the original position that two rows (4 of every rows) deliver to automatic charging device 4 successively with workpiece 52, moved around by shackle rod 22 front and back in the automatic charging device 48 workpieces are put into the precalculated position successively, rising cylinder 35 makes progress jack-up to the material loading position with pallet 20, pallet adopts deck of boat structure, be divided into upper strata steel plate 38 and lower floor's steel plate 39, there are in the middle of the steel plate 8 circular eye positions 40 to be used for holding and fixing workpiece 52, can process 8 workpieces 52 simultaneously.During material loading, upper strata steel plate 38 is by jack-up, make the separately middle slit of exposing of upper strata steel plate 38 and lower floor's steel plate 39, promote locating rack 24 by locating rack cylinder 23 again 8 workpieces 52 are sent to 40 positions, eye position by the slit, rising cylinder 35 descends upper strata steel plate 38 is fallen, workpiece 52 is clamped by upper strata steel plate 38 and lower floor's steel plate 39, is fixed in the anchor clamps steel loop 50 in the eye position 40.Fix with alignment pin between upper strata steel plate 38 and the lower floor's steel plate 39, prevent mobile.The eye position processes the penetrating inside and outside both sides that hold 17 pairs of workpieces 52 of electrical grinding head about in the of 40, there is connector at pallet 20 two ends, steel plate 38 front portions in upper strata are provided with C type connector 41, lower floor's steel plate 39 rear portions are provided with T type connector 42, when a plurality of pallets 20 are connected, the T type connector 42 of previous anchor clamps and the C type connector 41 of back anchor clamps are connected, and allow pallet 20 front and back be connected to form a conveyer chain, can guarantee that anchor clamps transmit continuously.By transmitting cylinder 33 pulling pallets 20 the whole piece conveyer chain is moved forward, make pallet 20 move to the pre-grinding position that powered operation platform 5 tops are supported in the first grinding spindle case, 6 belows, first, workpiece 52 is during by electrolysis, and the below must be the supporter that possesses insulating effect.Select for use zirconia ceramics as base for supporting, not only have insulating properties, and have high tenacity, high-flexural strength, high-wearing feature, an anticorrosive and heat-proof quality, in the process of processing grinding, can resist the impact of stiffness, for workpiece provides strong support, not fragile, solved the difficulty of insulation, support and fret wear effectively.Shape and the workpiece shape of base top are coincide, and after workpiece 52 moved to ceramic base 43 tops with anchor clamps 20, the position was fixing by ceramic base 43, plays the effect of centering.Support powered operation platform 5 by side electrolyte pipeline 44 continuous input electrolytes, from 45 outputs of ceramic base aperture, workpiece 52 is immersed in the electrolyte from the bottom up.Supporting powered operation platform 5 is powered by the bottom, be connected to workbench electrode 46 by workbench film 47, contact jigs electrodes 48 to its conduction by workbench electrode 46, be connected to anchor clamps steel loop 50 by anchor clamps film 49 again, workpiece 52 is fixed in the anchor clamps steel loop 50, makes workpiece 52 link to each other as the positive pole of anode and dc source.There is a circle insulation sleeve 51 anchor clamps steel loop 50 outsides, prevent that steel loop 50 from contacting the formation conduction with the anchor clamps steel plate.Because 8 ceramic bases, 43 height disunities, anchor clamps steel loop 50 is set to float type, can fluctuate with the height of ceramic base 43, guarantees that the height that workpiece 52 can meet ceramic base 43 is fixed in the above.Electrical grinding head 17 links to each other as the negative pole of negative electrode and dc source, grinding spindle case cylinder 19 promotes 17 declines of electrical grinding head makes emery wheel 18 contact with electrolyte, when emery wheel 18 descends, and the certain grinding pressure of maintenance between the workpiece 52, form certain electrolysis gap (about 0,02~0,05 millimeter) between workpiece 52 surfaces and emery wheel 18, the inside is full of electrolyte.At this moment form power circuit, electrolyte begins to act on makes work piece surface be oxidized to one deck sull as thin as a wafer.Grinding spindle case cylinder 19 promotes 17 declines of electrical grinding head again and contacts with the workpiece inner surface automatically to zero definite initial point with emery wheel 18, according to needed grinding accuracy the workpiece inner surface is carried out grinding then, strike off the oxide-film of generation, new metal surface is exposed, effect continues to produce electrolysis, work piece surface is constantly struck off, up to reaching the grinding accuracy requirement.During grinding, electrolyte can spill, atomize, and enters into electrical grinding head 17 inside, meeting corrosion inner body of long duration.Exhaust outlet 37 adopts thread forms, and hand of spiral is opposite with the direction of rotation of grinding machine head, when gas blows from facing down, with the electrolyte that the spills grinding machine head that blows off, avoids it to enter into grinding machine head inside, reaches the effect of hermetic seal.Grinding spindle case cylinder 19 drives 17 rises of electrical grinding head after finishing.Transmitting cylinder 33 pullings moves forward the whole piece conveyer chain, make pallet 20 enter into the clip groove 28 of turning device 7, former and later two pallets of pallet 20 to be flipped descend, and pallet to be flipped 20 is spun off, and carry out independent upset.Gear motor 25 work make driven wheel 26 rotations drive driven gear 27 rotations, clip groove 28 is fixed on and makes whole clip groove 28 follow driven gear 27 on the driven gear 27 to turn over turnback, pallet 20 integral body that also will enter are wherein turned over turnback, with the outer surface of workpiece 52 up.Then, former and later two pallets rise, and connector forms connection again, can proceed to transmit.Transmitting cylinder 33 pullings afterwards moves forward the whole piece conveyer chain, make pallet 20 enter into the pre-grinding position that powered operation platform 8 tops are supported in the second grinding spindle case, 9 belows, second, inject electrolyte by the second electrolyte pipeline 44 that supports in the powered operation platform 8, by 45 outputs of ceramic base aperture workpiece is soaked from the bottom up, grinding spindle case cylinder 19 promotes 17 declines of electrical grinding head makes emery wheel 18 contact the formation galvanic circle with electrolyte, at this moment, electrolyte carries out electrolysis to workpiece 52 surfaces, generates oxide-film on workpiece 52 surfaces.Grinding spindle case cylinder 19 promotes 17 declines of electrical grinding head again and carries out grinding with 18 pairs of workpiece 52 outer surfaces of emery wheel, strikes off the oxide-film of generation.Grinding spindle case cylinder 19 drives 17 rises of electrical grinding head after finishing.Transmitting cylinder 33 pullings moves forward the whole piece conveyer chain, make pallet 20 enter into automatic blanking device 10, decline cylinder 34 rises upper strata steel plate 38 jack-up of pallet 20, upper strata steel plate 38 and lower floor's steel plate 39 are separately, the slit is left in the centre, by blanking cylinder 29 pulling blanking hooks 30 workpiece 52 hooks are gone out, with 8 workpiece that has machined 52 automatic blankings, enter in the finished product box 32 by blanking groove 31.8 finished product boxs 32 are adorned the workpiece 52 that 8 stations are processed respectively, if processing problems appears in certain station, can in time find.By decline cylinder 34 pallet 20 is fallen again and be put on the conveyer belt 11, conveyer belt motor 36 work drive conveyer belts 11 just anchor clamps 20 send back to automatic charging device 4 belows, by rising cylinder 35 it upwards is pushed in the automatic charging device 4 again, feeds again treating.