CN209175065U - Small Lavalle hole micro-electrode electric discharge machining apparatus - Google Patents

Abstract

The utility model belongs to spark erosion technique field, more particularly to a kind of small Lavalle hole micro-electrode electric discharge machining apparatus, the utility model solves the problems, such as that current small Lavalle hole atomizer not can manufacture, the utility model includes device base station, Y-axis turntable, Z axis turntable, atomizer clamp assembly, fuel feeding current electrode component, three axis numerically controlled machine, spark pulse power and high-voltage spark oil transportation system, small Lavalle hole is processed in such a way that three axis numerically controlled machine is in conjunction with high-precision special fixture and micro-electrode electrical discharge machining, it can guarantee machining accuracy while realizing batch production；Micro-electrode electrical discharge machining simultaneously, processing metapore inner wall surface, there are micro- holes, micro- hole size is in several microns of sizes, play the role of the micro- texture in surface, fluid and surface of solids resistance can be reduced, and after micro EDM, there are re cast layers on surface, and re cast layer, which can play the role of surface peening, prevents cavitation erosion.

Description

Small Lavalle hole micro-electrode electric discharge machining apparatus

Technical field

The utility model belongs to spark erosion technique field, and in particular to a kind of small Lavalle hole micro-electrode electrical fire Flower processing unit (plant).

Background technique

Currently, also fewer at present in terms of engine nozzle, mainly some special types of small Lavalle hole application Machinery is with if size is mainly processed using milling and drilling in grade in terms of processing method, between 1mm to 0.5mm Hole is generally perforated using spark-erosion perforating machine, adds some householder methods that the Lavalle hole of simple coarse may be implemented, or directly Shaped electrode electrical discharge machining, but the hole precision processed is poor.When small Lavalle hole is answered in terms of engine nozzle Used time, then size need to be reduced to 0.2 between 0.1mm.There is no at present can large batch of production small Lavalle hole atomizer Report.

Utility model content

The utility model proposes a kind of small Lavalle hole micro-electrode electric discharge machining apparatus regarding to the issue above.

To solve the above-mentioned problems, the utility model uses following technical scheme:

Small Lavalle hole micro-electrode electric discharge machining apparatus further includes device base station, Y-axis turntable, Z axis rotation Platform, atomizer clamp assembly, fuel feeding current electrode component, three axis numerically controlled machine, spark pulse power and high-voltage spark oil Transportation system, the three axis numerically controlled machine is made of machine tool chief axis, platen, machine body and station, in lathe worker Make platform equipped with T-slot；

Described device base station includes two bolts, three bottom plate ball-and-socket jackscrews, bed floor, turntable, three sliding blocks, three A inner screw sheath, three dogbolts, three quadrangle nuts, four T-bolts, two and half round blocks, axis and angel measuring instrument I, it is set on four angles of bed floor there are four through-hole Ⅸ, is equipped with bilateral symmetry for connecting rotation at the rear portion of bed floor Two protrusions of platform are equipped with mutual corresponding axis hole I in two protrusions, set that there are three sliding in the middle part of the front side of bed floor Slot, three sliding blocks are respectively provided in three sliding slots, and the middle part for being fixed on three sliding blocks, three bottoms are respectively welded in three inner screw sheaths Cricket nest jackscrew is connect with three inner screw sheaths respectively by the way of being threadedly coupled, and is equipped with and three bottom plates below turntable Corresponding three ball-and-sockets of ball-and-socket jackscrew, the mode activity that transition fit is respectively adopted in the top ball of three bottom plate ball-and-socket jackscrews are put It sets in three ball-and-sockets, the top ball of three bottom plate ball-and-socket jackscrews has been respectively arranged below for turning three bottom plate ball-and-socket jackscrews Hexagonal prisms, be equipped with three through-holes Ⅹ communicating with three sliding slots in the front surface of bed floor, three quadrangle nuts are located at The front end of three sliding slots, three dogbolts are each passed through three through-hole Ⅹ and three quadrangle nut threads and connect, and respectively It withstands three sliding blocks and plays braking action, symmetrical two through slots II are equipped in the front end of bed floor, in two through slots II is respectively arranged below with the groove II that can accommodate two threaded screw fasteners heads, in the left and right sides of turntable is respectively equipped with L Type platform is equipped with two half slots II corresponding with two II positions of through slot, two half slot II and two semicircles in L-type platform front Block matches, and tubaeform through-hole IV corresponding with two II positions of through slot is respectively equipped in two half slots II, two and half Round block is equipped with through-hole V corresponding with tubaeform through-hole IV, and two bolts pass through on two through slots, II, two half slot II The round block of tubaeform through-hole IV and two and half on through-hole V and corresponding nut connect, to tense turntable, after turntable End is equipped with axis hole II corresponding with axis hole I, and axis passes through axis hole I and axis hole II to connect bed floor and turntable, and angle is surveyed Amount instrument I is bonded on the L-type platform in left side, Y-axis rotating drum is equipped at the middle part of turntable, in the periphery turntable of Y-axis rotating drum Upper surface be equipped with angle index；

The Y-axis turntable refers to by pedestal, two latch, two screw thread pressures, two fixing seats, two clampings positioning spiral shells Bolt, two gripping blocks, four fixed links, the short pin of four transverse directions and two screw compositions, are all provided among the front/rear end of pedestal There is index line, be equipped with Z axis rotating drum on the right side of the base, positioning surface is equipped in the left side of pedestal, before and after base upper surface Both ends are symmetrically arranged with four circular holes I, are symmetrically arranged with two through-holes I in left and right settings on the rear and front end top of pedestal, each Through-hole I all passes through the lower part of two circular holes I in the same end, is equipped with through slot I in the front-back direction in the front side upper surface middle part of pedestal, The rear side upper surface middle part of pedestal is equipped with through slot III in the front-back direction, to prevent the clamping of two gripping blocks of interference, in pedestal Rear and front end lower part is symmetrically arranged with two circular holes II, is symmetrically arranged with two threaded holes III before and after the right surface lower portions of pedestal, and two Circular hole II is communicated with corresponding threaded hole III respectively, and described two latch are respectively provided in two circular holes II, two screw thread pressures Finger be screwed into two threaded holes III respectively, by two screw thread pressures refer on hemisphere face squeeze two latch angled end-face make Two latch are displaced outwardly under extruding force effect to play fixed function, and four fixed links are inserted into corresponding four circles respectively In hole I, and it is equipped with through-hole II corresponding with two through-holes I in the lower part of four fixed links, four short pins of transverse direction are each passed through Four fixed links are fixed on the base by corresponding through-hole I and through-hole II, four two one group of fixed links respectively with it is corresponding Two fixing seats are welded and fixed, and are respectively equipped with tapped through hole I, two clamping positioning bolts point in two fixing seat upper surface middle parts It is not screwed into the tapped through hole I in two fixing seats, is respectively equipped with boss in the lower end that two clamp positioning bolt, is pressed from both sides at two The lower end of tight positioning bolt is respectively equipped with threaded hole II, and through-hole VII corresponding with boss is respectively equipped in the middle part of two gripping blocks, Two gripping blocks are respectively sleeved on the boss of two clamping positioning bolt lower ends by through-hole VII, and pass through two screws and spiral shell Pit II is fastened on the boss of two clamping positioning bolt lower parts；

The Z axis turntable by rotary body, two straight pins, angel measuring instrument II and L-type board group at, the rotary body with The contact surface of Z axis rotating drum is arc, and the upper surface of the rotary body is the V-arrangement that angle is 90 degree, before the rotary body Portion upper end is equipped with end face platform, is respectively equipped with half slot I in the rear and front end of rotary body, the part in the rear and front end of rotary body Not She You anti-interference slot, rotary body V-arrangement upper surface middle part be equipped with rectangular channel, in the V-arrangement upper surface rear right of rotary body Equipped with threaded hole IV and limit pin hole I, dowel hole I, described two cylinders are equipped among the V-arrangement upper surface rear portion of rotary body Pin is bonded in respectively in half slot I, is equipped with L-type slot corresponding with L-type plate, L-type plate and L-type in the right side front of rotary body Slot is connected by the way of transition fit, and angel measuring instrument II is fixed with the right side of two inner faces of L-type plate and rotary body Plane is bonded on L-type plate；

The atomizer clamp assembly is by atomizer, atomizer circle positioning sleeve, jackscrew, bottom plate, back taper forming head screw, limit Position pin and positioning pin, positioning pin is equipped in the middle part of bottom plate, is equipped with and threaded hole IV, limit pin hole I and positioning in the upper surface of bottom plate The corresponding through-hole VI of pin hole I, through-hole Ⅺ and through-hole Ⅻ, the atomizer are divided into two parts, and top is that rotary table lower part is cylinder, and Column part has cut symmetrical two planar end surfaces, and the atomizer circle positioning sleeve top is cylinder, and bottom is that band circular arc falls The cuboid at angle, behind two angles be small chamfering, before two angles be big chamfering, and the width of cuboid is equal to the straight of Upper cylindrical Diameter, and the length of cuboid is greater than the diameter of Upper cylindrical, is equipped with cavity in the upper end of atomizer circle positioning sleeve, in cavity Left side be provided with plane corresponding with two planar end surfaces of atomizer, and cavity can accommodate atomizer, in atomizer circle An end face parallel with plane is cut on shape positioning sleeve on the outside of the opposite of plane, is equipped on end face for installing jackscrew Tapped through hole VII is equipped with location hole VI in the bottom surface of atomizer circle positioning sleeve, and the bottom plate is located at the V-arrangement upper surface of rotary body Rear portion, positioning pin passes through through-hole Ⅻ and is located in dowel hole I, and atomizer is located in atomizer circle positioning sleeve and passes through jackscrew Fixed, atomizer circle positioning sleeve passes through VI set of location hole on positioning pin, a left side for atomizer circle positioning sleeve bottom quadrangle The big chamfering in side is equipped with inclined-plane corresponding with the taper of back taper forming head screw, and back taper forming head screw passes through through-hole VI and is located at threaded hole In IV, and the back taper forming head of back taper forming head screw is pressed on the inclined-plane of atomizer circle positioning sleeve, and spacer pin passes through through-hole Ⅺ and sets In limit pin hole I；

The fuel feeding current electrode component by fine hollow electrode, middle transition casing, fuel feeding power supply body, insulation sleeve and thoroughly Gas steel composition, the fine hollow electrode outer diameter be 80 microns, internal diameter be 30 microns, 25 microns of wall thickness, the fine hollow electricity The tail portion of pole is sleeved on the inside of middle transition casing using interference fit, and fuel feeding powers body in cross, middle transition casing Top be sleeved on inside the lower end of fuel feeding power supply body, and with fuel feeding power supply body using being interference fitted, fuel feeding is powered body or so two End, one end are minor diameter, and one end is major diameter, and the upper center of smaller diameter end power supply, larger diameter end fuel feeding, fuel feeding power supply body is set There is through-hole III, ventilative steel 505 is mounted in through-hole III by the way of interference fit, and the fuel feeding power supply is equipped at the top of body upper end Screw thread, insulation are set at the screw thread at the top of fuel feeding power supply body upper end；

Four T-bolts, which are stuck in, is each passed through four through-holes Ⅸ and corresponding nut in the T-slot of platen Bed floor is fixed on the platen of three axis numerically controlled machine by cooperation, and the contact portion of bed floor and platen It is arranged with insulating layer, the contact portion of four T-bolt surfaces and platen is equipped with insulating layer, and Y-axis turntable is located at Y-axis In rotating drum, and with device base station transition fit, do not shaken with guaranteeing that Y-axis turntable can rotate freely not Caton around Y-axis, Y The fixation of axis turntable and device base station is completed by being used cooperatively of referring to of two latch and two screw thread pressures, Z axis rotation Platform is located in Z axis rotating drum, and with pedestal transition fit, do not shaken with guaranteeing that Z axis turntable can rotate freely not Caton about the z axis Dynamic, Z axis turntable and pedestal are pressed two straight pins to realize and are fixed by two gripping blocks, atomizer clamp assembly by bottom plate, Back taper forming head screw, spacer pin and being used cooperatively for positioning pin are fixed on Z axis turntable, and fuel feeding current electrode component is located at three On the machine tool chief axis of Shaft and NC Machining Test lathe, the cathode of the spark pulse power and the feeder ear of fuel feeding current electrode component are electrical Connection, anode are electrically connected with device base station, the flowline and fuel feeding current electrode group of the high-voltage spark oil transportation system The fuel feeding end of part connects, when the electrical fire caul-fat in Y-axis rotating drum needs to clear up, by the oil return of high-voltage spark oil transportation system Pipe protrudes into Y-axis rotating drum and carries out oil suction；

Use transition fit and fit clearance for 5 microns between the Y-axis rotating drum and pedestal, two latch and two It uses transition fit fit clearance for 10 microns between circular hole II, transition fit is used between Z axis rotating drum and rotary body and matches Closing gap is 5 microns, uses transition fit and fit clearance for 3 microns between positioning pin and dowel hole I and location hole VI, is limited Use transition fit and fit clearance for 3 microns between position pin and limit pin hole I.

Further, the protrusion on the right side and the contact surface part on the right side of turntable are inclined-plane, and wedge is equipped at inclined-plane Shape block is equipped with U-shaped anti-interference slot below wedge block, and threaded hole I is equipped in the protrusion on right side, is equipped in the top of wedge block Pressing plate, is equipped with through-hole VIII corresponding with threaded hole I on pressing plate, and holding screw is located at I internal pressure of threaded hole across through-hole VIII and presses Plate, and then pressing plate compresses wedge block, to prevent the shaking of turntable.

Further, the angle index is groove.

Further, the angle index totally 360 lattice, and be 1 degree of one small lattice, 10 degree of one big lattice.

Further, the front end of the angle index is equipped with aperture, using the label as initial starting point.

Further, the Y-axis rotating drum is circular cavity.

Further, the Z axis rotating drum is arc-shaped cavity.

The utility model has the advantage that compared with prior art

1, the utility model is using three axis numerically controlled machine and high-precision special fixture and micro-electrode electrical discharge machining In conjunction with mode process small Lavalle hole, can realize batch production while guarantee machining accuracy；

2, the utility model uses the small Lavalle hole of micro-electrode electrical discharge machining, because cutting force is not present, Dimensional accuracy is preferable；

3, the utility model uses micro-electrode electrical discharge machining, and there are micro- hole, micro- hole sizes for processing metapore inner wall surface In several microns of sizes, play the role of the micro- texture in surface, fluid and surface of solids resistance can be reduced, and fine electric spark adds After work, there are re cast layers on surface, and re cast layer, which can play the role of surface peening, prevents cavitation erosion；

4, the utility model angle index uses groove, the unsharp feelings of angle index caused by avoiding because of abrasion Condition occurs；

5,1 degree of one small lattice of the utility model angle index, ensure that higher angle precision；

6, the utility model uses three axis numerically controlled machine, cheap, is easy application and promotes, simultaneously as the number of axle Few, precision is also easily guaranteed that.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is utility model device base station, Y-axis turntable, Z axis turntable, atomizer clamp assembly, fuel feeding power supply electricity Assembling schematic diagram between pole component and three axis numerically controlled machine；

Fig. 3 is the partial enlarged view of Fig. 2 centre circle A；

Dress of the Fig. 4 between utility model device base station, Y-axis turntable, Z axis turntable and atomizer clamp assembly With schematic diagram；

Fig. 5 is the structural schematic diagram of utility model device base station；

Fig. 6 is the structural schematic diagram of utility model device base station non-angular measuring instrument I；

Fig. 7 is the structural schematic diagram of utility model device base station；

Fig. 8 is the structural schematic diagram of the utility model bed floor；

Fig. 9 is the structural schematic diagram of the utility model turntable；

Figure 10 is the structural schematic diagram of the utility model turntable；

Figure 11 is the structural schematic diagram of the utility model Y-axis turntable；

Figure 12 is the structural schematic diagram of the utility model pedestal；

Figure 13 is the connection schematic diagram of the utility model fixing seat and fixed link；

Figure 14 is the connection schematic diagram between the utility model clamping positioning bolt, gripping block and screw；

Figure 15 is the structural schematic diagram of the utility model Z axis turntable；

Figure 16 is the structural schematic diagram of the utility model rotary body；

Figure 17 is the structural schematic diagram of the utility model atomizer clamp assembly；

Assembling schematic diagram of the Figure 18 between the utility model atomizer, atomizer circle positioning sleeve and jackscrew；

Assembly diagrammatic top view of the Figure 19 between the utility model atomizer, atomizer circle positioning sleeve and jackscrew；

Figure 20 is the assembly schematic sectional view of the utility model atomizer, atomizer circle positioning sleeve and jackscrew；

Figure 21 is the structural schematic diagram of the utility model bottom plate；

Figure 22 is the structural schematic diagram of the utility model fuel feeding current electrode component；

Figure 23 is the configuration schematic diagram of the utility model fuel feeding current electrode component；

Figure 24 is the structural schematic diagram of the utility model wedge block；

Figure 25 is the structural schematic diagram of the utility model pressing plate；

Specific embodiment

In order to which the technical solution of the utility model is further described, with reference to the accompanying drawings and embodiments to the utility model into Row further illustrates.

As shown in Fig. 1 to Figure 25, small Lavalle hole micro-electrode electric discharge machining apparatus, further includes device base station 1, Y Axis turntable 2, Z axis turntable 3, atomizer clamp assembly 4, fuel feeding current electrode component 5, three axis numerically controlled machine 6, electric spark arteries and veins Rush power supply 7 and high-voltage spark oil transportation system 8, the three axis numerically controlled machine 6 by machine tool chief axis 601, platen 602, Machine body 603 and station 605 form, and T-slot 604 is equipped on platen 602；

Described device base station 1 includes two bolts 104, three bottom plate ball-and-socket jackscrews 105, bed floors 106, turntable 108, three 112, four, quadrangle nut T-bolts of dogbolt 111, three of inner screw sheath 110, three of sliding block 109, three 113, two and half round blocks 124, axis 127 and angel measuring instrument I 135 are set on four angles of bed floor 106 there are four through-hole Ⅸ 102, bilateral symmetry is equipped with for connecting two protrusions 116 of turntable 108, in two protrusions at the rear portion of bed floor 106 116 are equipped with mutual corresponding axis hole I 117, are set in the middle part of the front side of bed floor 106 there are three sliding slot 107, three sliding blocks 109 are respectively provided in three sliding slots 107, and three inner screw sheaths 110 are respectively welded the middle part for being fixed on three sliding blocks 109, and three Bottom plate ball-and-socket jackscrew 105 is connect with three inner screw sheaths 110 respectively by the way of being threadedly coupled, and is set below turntable 108 There are three ball-and-sockets 114 corresponding with three bottom plate ball-and-socket jackscrews 105, the top ball of three bottom plate ball-and-socket jackscrews 105 is adopted respectively It is placed in three ball-and-sockets 114 with the mode activity of transition fit, is set respectively below the top ball of three bottom plate ball-and-socket jackscrews 105 The hexagonal prisms for turning three bottom plate ball-and-socket jackscrews 105 are equipped with, are equipped with and three sliding slots in the front surface of bed floor 106 107 three through-holes Ⅹ 118 communicated, three quadrangle nuts 112 are located at the front end of three sliding slots 107, three dogbolts 111 It is each passed through three through-holes Ⅹ 118 to be threadedly coupled with three quadrangle nuts 112, and plays system respectively against three sliding blocks 109 Movement is used, and symmetrical two through slots II 119 is equipped in the front end of bed floor 106, in the lower section of two through slots II 119 point The groove II 120 that She You not can accommodate two 104 bolt heads of bolt is respectively equipped with L-type in the left and right sides of turntable 108 Platform 123 is equipped with two half slots II 122 corresponding with two II 119 positions of through slot, two half slots II in 123 front of L-type platform 122 match with two and half round blocks 124, are respectively equipped in two half slots II 122 corresponding with two II 119 positions of through slot Tubaeform through-hole IV 121, on two and half round blocks 124 be equipped with through-hole V 125 corresponding with tubaeform through-hole IV 121, two Bolt 104 passes through on tubaeform through-hole IV 121 and two and half round blocks 124 on two through slots, II 119, two half slots II 122 Through-hole V 125 and corresponding nut connect, to tense turntable 108, be equipped in 108 rear end of turntable opposite with axis hole I 117 The axis hole II 126 answered, axis 127 pass through axis hole I 117 and axis hole II 126 to connect bed floor 106 and turntable 108, and described The contact surface part on 108 right side of protrusion 116 and turntable on right side is inclined-plane, and wedge block 131 is equipped at inclined-plane, in wedge shape It is equipped with U-shaped anti-interference slot 133 below block 131, threaded hole I 132 is equipped in the protrusion 116 on right side, in the top of wedge block 131 Equipped with pressing plate 129, through-hole VIII 134 corresponding with threaded hole I 132 is equipped on pressing plate 129, holding screw 130 passes through through-hole VIII 134 are located at clamping platen 129 in threaded hole I 132, and then pressing plate 129 compresses wedge block 131, to prevent the rolling of turntable 108 It is dynamic.Angel measuring instrument I 135 is bonded on the L-type platform 123 in left side, is equipped with Y-axis rotating drum 101, Y-axis at the middle part of turntable 108 Rotating drum 101 is circular cavity, is equipped with angle index 103, and angle in the upper surface of the periphery turntable 108 of Y-axis rotating drum 101 Scale 103 is groove, the angle index 103 totally 360 lattice, and is 1 degree of one small lattice, 10 degree of one big lattice, the angle index 103 Front end be equipped with aperture 115, using the label as initial starting point.

The Y-axis turntable 2 by the screw thread pressure of latch 202, two of pedestal 201, two refer to 203, two fixing seats 204, Two short pins 208 of 207, four transverse directions of the fixed link of gripping block 206, four of clamping positioning bolt 205, two and two screws 216 Composition, is equipped with index line 222 among the front/rear end of pedestal 201, is equipped with Z axis rotating drum 219, Z on the right side of pedestal 201 Axis rotating drum 219 is arc-shaped cavity, positioning surface 220 is equipped in the left side of pedestal 201, in the rear and front end pair of 201 upper surface of pedestal Title is set there are four circular hole I 210, is symmetrically arranged with two through-holes I 209 in left and right settings on the rear and front end top of pedestal 201, often A through-hole I 209 all passes through the lower part of two circular holes I 210 in the same end, is equipped with front and back in the front side upper surface middle part of pedestal 201 To through slot I 211, through slot III 224 in the front-back direction are equipped in the rear side upper surface middle part of pedestal 201, to prevent interference two The clamping of gripping block 206 is symmetrically arranged with two circular holes II 218 in the rear and front end lower part of pedestal 201, on the right surface of pedestal 201 Two threaded holes III 217 are symmetrically arranged with before and after lower part, two circular holes II 218 are communicated with corresponding threaded hole III 217 respectively, described Two latch 202 are respectively provided in two circular holes II 218, and two screw thread pressures refer to that 203 are screwed into two threaded holes III 217 respectively It is interior, refer to that the angled end-face of two latch 202 of extruding of the hemisphere face on 203 makes two latch 202 exist by two screw thread pressures It being displaced outwardly under extruding force effect to play fixed function, four fixed links 207 are inserted into respectively in corresponding four circular holes I 210, And it is equipped with through-hole II 212 corresponding with two through-holes I 209 in the lower part of four fixed links 207, the short pin 208 of four transverse directions divides Not Chuan Guo corresponding through-hole I 209 and through-hole II 212 four fixed links 207 are fixed on pedestal 201, four fixed links 207 Two one group is welded and fixed with corresponding two fixing seats 204 respectively, is respectively equipped with spiral shell in two 204 upper surface middle parts of fixing seat Line through-hole I 213, two clamping positioning bolts 205 are screwed into respectively in the tapped through hole I 213 in two fixing seats 204, at two The lower end for clamping positioning bolt 205 is respectively equipped with boss 214, is respectively equipped with screw thread in the lower end that two clamp positioning bolt 205 Hole II 215, the middle part of two gripping blocks 206 are respectively equipped with through-hole VII 223 corresponding with boss 214, and two gripping blocks 206 pass through Through-hole VII 223 is respectively sleeved on the boss 214 of two clamping 205 lower ends of positioning bolt, and passes through two screws 216 and screw thread Hole II 215 is fastened on the boss 214 of two clamping 205 lower parts of positioning bolt；

The Z axis turntable 3 is by 301, two straight pins 302 of rotary body, angel measuring instrument II 303 and 312 groups of L-type plate At the contact surface of the rotary body 301 and Z axis rotating drum 219 is semicircle, and the upper surface of the rotary body 301 is that angle is 90 degree of V-arrangement is equipped with end face platform 310 in the nock of the rotary body 301, distinguishes in the rear and front end of rotary body 301 Equipped with half slot I 305, anti-interference slot 306 is respectively equipped in the middle part of the rear and front end of rotary body 301, in the V-arrangement of rotary body 301 Upper surface middle part is equipped with rectangular channel 307, is equipped with threaded hole IV 304 and spacer pin in the V-arrangement upper surface rear right of rotary body 301 Hole I 309, is equipped with dowel hole I 313 among the V-arrangement upper surface rear portion of rotary body 301, and described two straight pins 302 glue respectively It connects in half slot I 305, is equipped with L-type slot 311 corresponding with L-type plate 312, L-type plate in the right side front of rotary body 301 312 are connect by the way of transition fit with L-type slot 311, and angel measuring instrument II 303 is with two inner faces of L-type plate 312 and rotation The right side of swivel 301 is that positioning surface is bonded on L-type plate 312；

The atomizer clamp assembly 4 by atomizer 401, atomizer circle positioning sleeve 402, jackscrew 403, bottom plate 404, fall Conical head screw 405, spacer pin 406 and positioning pin 407 are equipped with positioning pin 407 in the middle part of bottom plate 404, in the upper surface of bottom plate 404 Equipped with through-hole VI 410 corresponding with threaded hole IV 304, limit pin hole I 309 and dowel hole I 313, through-hole Ⅺ 409 and through-hole Ⅻ 411, the atomizer 401 divides for two parts, and top is that rotary table lower part is cylinder, and column part has cut symmetrical two flush ends Face 413,402 top of atomizer circle positioning sleeve be cylinder, bottom be the cuboid with circular arc chamfering, behind two angles For small chamfering, before two angles be big chamfering, and the width of cuboid is equal to the diameter of Upper cylindrical, and the length of cuboid be greater than it is upper The diameter of portion's cylinder is equipped with cavity 412 in the upper end of atomizer circle positioning sleeve 402, is provided in the left side of cavity 412 Plane 414 corresponding with two planar end surfaces 413 of atomizer 401, and cavity 412 can accommodate atomizer 401, in atomizer An end face 415 parallel with plane 414 is cut on round positioning sleeve 402 on the outside of the opposite of plane 414, on end face 415 Equipped with the tapped through hole VII 408 for installing jackscrew 403, location hole VI is equipped in the bottom surface of atomizer circle positioning sleeve 402 416, the bottom plate 404 is located at the rear portion of the V-arrangement upper surface of rotary body 301, and positioning pin 407 passes through through-hole Ⅻ 411 and is located at positioning In pin hole I 313, atomizer 401 is located in atomizer circle positioning sleeve 402 and fixed by jackscrew 403, atomizer circle positioning Set 402 passes through VI 416 sets of location hole on positioning pin 407, the big chamfering in left side of 402 bottom quadrangle of atomizer circle positioning sleeve Equipped with inclined-plane corresponding with the taper of back taper forming head screw 405, back taper forming head screw 405 passes through through-hole VI 410 and is located at screw thread In hole IV 304, and the back taper forming head of back taper forming head screw 405 is pressed on the inclined-plane of atomizer circle positioning sleeve 402, spacer pin 406, which pass through through-hole Ⅺ 409, is located in limit pin hole I 309；

The fuel feeding current electrode component 5 by fine hollow electrode 501, middle transition casing 502, fuel feeding power supply body 503, Insulation sleeve 504 and ventilative steel 505 form, and fine 501 outer diameter of hollow electrode is 80 microns, and internal diameter is 30 microns, wall thickness 25 Micron, the tail portion of the fine hollow electrode 501 are sleeved on the inside of middle transition casing 502 using interference fit, and fuel feeding supplies In cross, the top of middle transition casing 502 is sleeved on inside the lower end of fuel feeding power supply body 503 electric body 503, and is supplied with fuel feeding Electric body 503 is using interference fit, and fuel feeding power supply 503 left and right ends of body, one end is minor diameter, and one end is major diameter, smaller diameter end The upper center of power supply, larger diameter end fuel feeding, fuel feeding power supply body 503 is equipped with through-hole III 506, and steel 505 of breathing freely is using interference fit Mode be mounted in through-hole III 506, screw thread is equipped at the top of fuel feeding power supply 503 upper end of body, insulation sleeve 504 is located at fuel feeding confession At screw thread at the top of electric 503 upper end of body；

Four T-bolts 113, which are stuck in the T-slot 604 of platen 602, is each passed through four through-holes Ⅸ 102 Bed floor 106 is fixed on the platen 602 of three axis numerically controlled machine 6 by the cooperation with corresponding nut, and bed floor 106 are equipped with insulating layer with the contact portion of platen 602, and four 113 surfaces of T-bolt connect with platen 602 Contact portion is arranged with insulating layer, and Y-axis turntable 2 is located in Y-axis rotating drum 101, and with 1 transition fit of device base station, to guarantee Y-axis Turntable 2 can rotate freely not Caton around Y-axis and not shake, and the fixation of Y-axis turntable 2 and device base station 1 passes through two stop Pin 202 and two screw thread pressures refer to that 203 are used cooperatively to complete, and Z axis turntable 3 is located in Z axis rotating drum 219, and and pedestal 201 transition fits are not shaken with guaranteeing that Z axis turntable 3 can rotate freely not Caton about the z axis, Z axis turntable 3 and pedestal 201 It presses two straight pins 302 to realize by two gripping blocks 206 to fix, atomizer clamp assembly 4 passes through bottom plate 404, back taper forming head Screw 405, spacer pin 406 and being used cooperatively for positioning pin 407 are fixed on Z axis turntable 3, and fuel feeding current electrode component 5 is set On the machine tool chief axis 601 of three axis numerically controlled machine 6, cathode and the fuel feeding current electrode component 5 of the spark pulse power 7 Feeder ear is electrically connected, and anode is electrically connected with device base station 1, the flowline of the high-voltage spark oil transportation system 8 and confession The fuel feeding end of oily current electrode component 5 connects, when the electrical fire caul-fat in Y-axis rotating drum 101 needs to clear up, by high-voltage spark The oil return pipe of oily transportation system 8 protrudes into Y-axis rotating drum 101 and carries out oil suction.

Use transition fit and fit clearance for 5 microns between the Y-axis rotating drum 101 and pedestal 201, two latch Use transition fit fit clearance for 10 microns between 202 and two circular holes II 218, Z axis rotating drum 219 and rotary body 301 it Between use transition fit and fit clearance for 5 microns, used between positioning pin 407 and dowel hole I 313 and location hole VI 416 Transition fit and fit clearance are 3 microns, used between spacer pin 406 and limit pin hole I 309 transition fit and fit clearance for 3 microns.

Claims (7)

1. small Lavalle hole micro-electrode electric discharge machining apparatus, including three axis numerically controlled machine (6), spark pulse power (7) and high-voltage spark oil transportation system (8), the three axis numerically controlled machine (6) is by machine tool chief axis (601), platen (602), machine body (603) and station (605) composition, are equipped with T-slot (604) on platen (602), feature It is: further includes device base station (1), Y-axis turntable (2), Z axis turntable (3), atomizer clamp assembly (4) and fuel feeding power supply Electrode assembly (5)；

Described device base station (1) includes two bolts (104), three bottom plate ball-and-socket jackscrews (105), bed floor (106), rotation Platform (108), three sliding blocks (109), three inner screw sheaths (110), three dogbolts (111), three quadrangle nuts (112), four T-bolts (113), two and half round blocks (124), axis (127) and angel measuring instrument I (135), in bed floor (106) it is set on four angles there are four through-hole Ⅸ (102), is equipped with bilateral symmetry for connecting at the rear portion of bed floor (106) Two protrusions (116) of turntable (108) are equipped with mutual corresponding axis hole I (117), at base station bottom on two protrusions (116) It being set in the middle part of the front side of plate (106) there are three sliding slot (107), three sliding blocks (109) are respectively provided in three sliding slots (107), and three The middle part for being fixed on three sliding blocks (109) is respectively welded in inner screw sheath (110), and three bottom plate ball-and-socket jackscrews (105) use screw thread The mode of connection is connect with three inner screw sheaths (110) respectively, is equipped with and three bottom plate ball-and-socket jackscrews below turntable (108) (105) side of transition fit is respectively adopted in the top ball of corresponding three ball-and-sockets (114), three bottom plate ball-and-socket jackscrews (105) Formula activity is placed in three ball-and-sockets (114), and the top ball of three bottom plate ball-and-socket jackscrews (105) has been respectively arranged below for twisting The hexagonal prisms of dynamic three bottom plate ball-and-socket jackscrews (105) are equipped with and three sliding slot (107) phases in the front surface of bed floor (106) Three logical through-holes Ⅹ (118), three quadrangle nuts (112) are located at the front end of three sliding slots (107), three dogbolts (111) it is each passed through three through-holes Ⅹ (118) to be threadedly coupled with three quadrangle nuts (112), and respectively against three sliding blocks (109) braking action is played, is equipped with symmetrical two through slots II (119) in the front end of bed floor (106), it is logical at two Slot II (119) is respectively arranged below with the groove II (120) that can accommodate two bolt (104) bolt heads, in turntable (108) Left and right sides be respectively equipped with L-type platform (123), L-type platform (123) front be equipped with it is corresponding with two through slot II (119) positions Two half slots II (122), two half slots II (122) match with two and half round blocks (124), in two half slots II (122) it is respectively equipped with tubaeform through-hole IV (121) corresponding with two through slot II (119) positions in, in two and half round blocks (124) It is equipped with through-hole V (125) corresponding with tubaeform through-hole IV (121), two bolts (104) pass through two through slots II (119), the through-hole V (125) on the tubaeform through-hole IV (121) and two and half round blocks (124) on two half slots II (122) It connects with corresponding nut, to tense turntable (108), is equipped in turntable (108) rear end corresponding with axis hole I (117) Axis hole II (126), axis (127) pass through axis hole I (117) and axis hole II (126) to connect bed floor (106) and turntable (108), angel measuring instrument I (135) is bonded on the L-type platform (123) in left side, is rotated at the middle part of turntable (108) equipped with Y-axis Chamber (101) is equipped with angle index (103) in the upper surface of the periphery turntable (108) of Y-axis rotating drum (101)；

The Y-axis turntable (2) refers to (203), two fixing seats by pedestal (201), two latch (202), two screw thread pressures (204), two clamping positioning bolts (205), two gripping blocks (206), four fixed links (207), four short pins of transverse direction (208) It is formed with two screws (216), index line (222) is equipped among the front/rear end of pedestal (201), in pedestal (201) Right side is equipped with Z axis rotating drum (219), positioning surface (220) is equipped in the left side of pedestal (201), before pedestal (201) upper surface Both ends are symmetrically arranged with four circular holes I (210) afterwards, are symmetrically arranged with two in left and right settings on the rear and front end top of pedestal (201) A through-hole I (209), each through-hole I (209) passes through the lower part of two circular holes I (210) in the same end, in the front side of pedestal (201) Upper surface middle part is equipped with through slot I (211) in the front-back direction, is equipped in the front-back direction in the rear side upper surface middle part of pedestal (201) Through slot III (224) is symmetrically arranged with preventing the clamping of two gripping blocks (206) of interference in the rear and front end lower part of pedestal (201) Two circular holes II (218) are symmetrically arranged with two threaded holes III (217), two circular holes II before and after the right surface lower portions of pedestal (201) (218) it is communicated respectively with corresponding threaded hole III (217), described two latch (202) are respectively provided at two circular holes II (218) Interior, two screw thread pressures refer to that (203) are screwed into respectively in two threaded holes III (217), refer to the hemisphere on (203) by two screw thread pressures The angled end-face that face squeezes two latch (202) is displaced outwardly two latch (202) to play under extruding force effect Fixed function, four fixed links (207) are inserted into respectively in corresponding four circular holes I (210), and in four fixed links (207) Lower part is equipped with through-hole II (212) corresponding with two through-holes I (209), and four short pins of transverse direction (208) are each passed through corresponding Four fixed links (207) are fixed on pedestal (201) by through-hole I (209) and through-hole II (212), and four fixed link (207) two One group is welded and fixed with corresponding two fixing seats (204) respectively, is respectively equipped with spiral shell in two fixing seat (204) upper surface middle parts Line through-hole I (213), two clampings positioning bolt (205) are screwed into the tapped through hole I (213) on two fixing seats (204) respectively It is interior, boss (214) are respectively equipped in the lower end that two clamp positioning bolt (205), under two clamping positioning bolts (205) End is respectively equipped with threaded hole II (215), is respectively equipped with through-hole VII corresponding with boss (214) in the middle part of two gripping blocks (206) (223), two gripping blocks (206) are respectively sleeved at the boss of two clamping positioning bolt (205) lower ends by through-hole VII (223) (214) on, and being fastened under two clamping positioning bolts (205) by two screws (216) and threaded hole II (215) On the boss (214) in portion；

The Z axis turntable (3) is by rotary body (301), two straight pins (302), angel measuring instrument II (303) and L-type plate (312) it forms, the contact surface of the rotary body (301) and Z axis rotating drum (219) is arc, the upper table of the rotary body (301) Face is the V-arrangement that angle is 90 degree, end face platform (310) is equipped in the nock of the rotary body (301), in rotary body (301) rear and front end is respectively equipped with half slot I (305), is respectively equipped with anti-interference in the middle part of the rear and front end of rotary body (301) Slot (306) is equipped with rectangular channel (307) in rotary body (301) V-arrangement upper surface middle part, behind the V-arrangement upper surface of rotary body (301) It is equipped with threaded hole IV (304) and limit pin hole I (309) on the right side of portion, is equipped among the V-arrangement upper surface rear portion of rotary body (301) Dowel hole I (313), described two straight pins (302) are bonded in respectively in half slot I (305), on the right side of rotary body (301) End face front is equipped with L-type slot (311) corresponding with L-type plate (312), and L-type plate (312) and L-type slot (311) use transition fit Mode connect, angel measuring instrument II (303) is fixed with the right side of two inner faces of L-type plate (312) and rotary body (301) Plane is bonded on L-type plate (312)；

The atomizer clamp assembly (4) is by atomizer (401), atomizer circle positioning sleeve (402), jackscrew (403), bottom plate (404), back taper forming head screw (405), spacer pin (406) and positioning pin (407), bottom plate (404) middle part are equipped with positioning pin (407), it is right with threaded hole IV (304), limit pin hole I (309) and dowel hole I (313) to be equipped in the upper surface of bottom plate (404) Through-hole VI (410), through-hole Ⅺ (409) and the through-hole Ⅻ (411) answered, the atomizer (401) are divided into two parts, and top is rotary table Lower part is cylinder, and column part has cut symmetrical two planar end surfaces (413), atomizer circle positioning sleeve (402) top For cylinder, bottom is the cuboid with circular arc chamfering, behind two angles be small chamfering, before two angles be big chamfering, and it is long The width of cube is equal to the diameter of Upper cylindrical, and the length of cuboid is greater than the diameter of Upper cylindrical, in atomizer circle positioning sleeve (402) upper end is equipped with cavity (412), is provided with two planar end surfaces with atomizer (401) in the left side of cavity (412) (413) corresponding plane (414), and cavity (412) can accommodate atomizer (401), in atomizer circle positioning sleeve (402) An end face (415) parallel with plane (414) is cut on the outside of the opposite of upper plane (414), is equipped with and is used on end face (415) In the tapped through hole VII (408) of installation jackscrew (403), location hole VI is equipped in the bottom surface of atomizer circle positioning sleeve (402) (416), the bottom plate (404) is located at the rear portion of rotary body (301) V-arrangement upper surface, and positioning pin (407) passes through through-hole Ⅻ (411) It is located in dowel hole I (313), atomizer (401) is located in atomizer circle positioning sleeve (402) and solid by jackscrew (403) Fixed, atomizer circle positioning sleeve (402) is covered on positioning pin (407) by location hole VI (416), atomizer circle positioning sleeve (402) the big chamfering in the left side of bottom quadrangle is equipped with inclined-plane corresponding with back taper forming head screw (405) taper, back taper forming head spiral shell Nail (405) passes through through-hole VI (410) and is located in threaded hole IV (304), and the back taper forming head of back taper forming head screw (405) is pressed in spray On the inclined-plane of oil nozzle circle positioning sleeve (402), spacer pin (406) passes through through-hole Ⅺ (409) and is located in limit pin hole I (309)；

The fuel feeding current electrode component (5) is by fine hollow electrode (501), middle transition casing (502), fuel feeding power supply body (503), insulation sleeve (504) and ventilative steel (505) composition, fine hollow electrode (501) outer diameter are 80 microns, internal diameter 30 Micron, 25 microns of wall thickness, the tail portion of the fine hollow electrode (501) is sleeved on middle transition casing using interference fit (502) inside, fuel feeding power body (503) in cross, and the top of middle transition casing (502) is sleeved on fuel feeding power supply body (503) inside lower end, and with fuel feeding power supply body (503) using interference fit, fuel feeding power supply body (503) left and right ends, one end For minor diameter, one end is major diameter, and smaller diameter end is powered, and the upper center of larger diameter end fuel feeding, fuel feeding power supply body (503) is equipped with Through-hole III (506), ventilative steel (505) are mounted in through-hole III (506) by the way of interference fit, the fuel feeding power supply body (503) screw thread is equipped at the top of upper end, insulation sleeve (504) is located at the screw thread at the top of fuel feeding power supply body (503) upper end；

Four T-bolts (113) are stuck in the T-slot (604) of platen (602) and are each passed through four through-holes Ⅸ (102) bed floor (106) is fixed on the platen (602) of three axis numerically controlled machine (6) with the cooperation of corresponding nut, And the contact portion of bed floor (106) and platen (602) is equipped with insulating layer, four T-bolt (113) surfaces and machine The contact portion of bed workbench (602) is equipped with insulating layer, and Y-axis turntable (2) is located in Y-axis rotating drum (101), and with device base Platform (1) transition fit is not shaken with guaranteeing that Y-axis turntable (2) can rotate freely not Caton around Y-axis, Y-axis turntable (2) with The fixation of device base station (1) refers to that being used cooperatively for (203) is completed by two latch (202) and two screw thread pressures, Z axis rotation Turntable (3) is located in Z axis rotating drum (219), and with pedestal (201) transition fit, to guarantee that Z axis turntable (3) can be about the z axis It rotates freely not Caton not shake, Z axis turntable (3) and pedestal (201) pass through two gripping blocks (206) two straight pins of pressure (302) realize fix, atomizer clamp assembly (4) by bottom plate (404), back taper forming head screw (405), spacer pin (406) and Being used cooperatively for positioning pin (407) is fixed on Z axis turntable (3), and fuel feeding current electrode component (5) is located at three axis numerically controlled machine (6) on machine tool chief axis (601), the cathode of the spark pulse power (7) and the feeder ear of fuel feeding current electrode component (5) It is electrically connected, anode is electrically connected with device base station (1), the flowline and fuel feeding of the high-voltage spark oil transportation system (8) The fuel feeding end of current electrode component (5) connects, when the electrical fire caul-fat in Y-axis rotating drum (101) needs to clear up, by high pressure electrical fire The oil return pipe of caul-fat transportation system (8) protrudes into Y-axis rotating drum (101) and carries out oil suction；

Use transition fit and fit clearance for 5 microns between the Y-axis rotating drum (101) and pedestal (201), two latch (202) use transition fit fit clearance for 10 microns between two circular holes II (218), Z axis rotating drum (219) and rotary body (301) use transition fit and fit clearance for 5 microns between, positioning pin (407) and dowel hole I (313) and location hole VI (416) it uses transition fit and fit clearance for 3 microns between, was used between spacer pin (406) and limit pin hole I (309) It crosses cooperation and fit clearance is 3 microns.

2. small Lavalle hole micro-electrode electric discharge machining apparatus according to claim 1, it is characterised in that: the right side The protrusion (116) of side and the contact surface part on the right side of turntable (108) they are inclined-plane, and are equipped with wedge block (131) at inclined-plane, It is equipped with U-shaped anti-interference slot (133) below wedge block (131), threaded hole I (132) is equipped in the protrusion (116) on right side, in wedge The top of shape block (131) is equipped with pressing plate (129), and through-hole VIII corresponding with threaded hole I (132) is equipped on pressing plate (129) (134), holding screw (130) passes through through-hole VIII (134) and is located at the interior clamping platen of threaded hole I (132) (129), and then pressing plate (129) wedge block (131) are compressed, to prevent the shaking of turntable (108).

3. small Lavalle hole micro-electrode electric discharge machining apparatus according to claim 1, it is characterised in that: the angle Spending scale (103) is groove.

4. small Lavalle hole micro-electrode electric discharge machining apparatus according to claim 3, it is characterised in that: the angle Scale (103) totally 360 lattice are spent, and are 1 degree of one small lattice, 10 degree of one big lattice.

5. small Lavalle hole micro-electrode electric discharge machining apparatus according to claim 3, it is characterised in that: the angle The front end for spending scale (103) is equipped with aperture (115), using the label as initial starting point.

6. small Lavalle hole micro-electrode electric discharge machining apparatus according to claim 1, it is characterised in that: the Y Axis rotating drum (101) is circular cavity.

7. small Lavalle hole micro-electrode electric discharge machining apparatus according to claim 1, it is characterised in that: the Z Axis rotating drum (219) is arc-shaped cavity.