CN108526626B - Rotary internal flushing liquid knife handle device for arc discharge explosion erosion milling - Google Patents
Rotary internal flushing liquid knife handle device for arc discharge explosion erosion milling Download PDFInfo
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- CN108526626B CN108526626B CN201810648543.2A CN201810648543A CN108526626B CN 108526626 B CN108526626 B CN 108526626B CN 201810648543 A CN201810648543 A CN 201810648543A CN 108526626 B CN108526626 B CN 108526626B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H5/00—Combined machining
- B23H5/04—Electrical discharge machining combined with mechanical working
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Abstract
A rotary inner flushing liquid cutter handle device for arc discharge explosion erosion milling comprises a cutter handle shaft structure, an inner flushing liquid box body structure and an electrode clamping structure. The tool shank shaft of the tool shank shaft structure can be matched with a universal machining center and a machine tool to realize quick tool changing; the structure of the inner flushing tank body is provided with a liquid flow channel design, and high-speed flushing ensures arc breaking and cooling effects of an interelectrode discharge area; the clamped electrode has a single-hole and multi-hole uniform cross-section structure. The structure of the device realizes two mechanisms of mechanical motion arc breaking and fluid power arc breaking in the arc discharge machining in principle, and ensures the high-efficiency operation of the arc discharge machining. In addition, the tool changing structure with standard design enables the device of the invention to be compatible with a universal series machining center and a machine tool, can realize the combination of arc discharge explosion erosion milling machining (arc discharge milling) and high-speed milling machining, improves the part machining efficiency and enlarges the application range of the arc milling machining.
Description
Technical Field
The invention relates to a main shaft cutter handle, in particular to a rotary internal flushing liquid cutter handle device for arc discharge explosion erosion milling, and belongs to the technical field of arc discharge milling, high-speed milling and combined machining of the arc discharge milling and the high-speed milling.
Background
The arc discharge is a steady-state plasma discharge phenomenon, and the material is removed by utilizing a high-energy-density plasma energy field and a thermal etching mode, so that the application in the field of discharge machining is realized. In order to avoid the formation of a resident arc on the discharge electrode and the surface of the workpiece to be machined and to continuously ablate the workpiece, it is necessary to adopt a corresponding technical means to continuously cut off the arc in a pulse interval and to controllably grasp the ablation degree of the arc discharge machining. This phenomenon of breaking the discharge arc is called "arc breaking". The method of causing the interpolar arc to elongate in the tangential direction of motion so as to be cut off by using the relative motion between the tool electrode and the workpiece is called "mechanical motion arc interruption"; the arc breaking method that the interpolar arc is deflected along the stress direction by using the high-speed working fluid force field between the tool electrode and the workpiece, the length of the plasma column is increased, and the interpolar impedance is increased until the discharge process can not be maintained and is interrupted is called as 'fluid dynamic arc breaking'. The arc interruption control is the core of the arc discharge machining method control. The mechanical motion arc breaking mechanism and the fluid power arc breaking mechanism are combined in the same arc discharge machining process, so that the efficiency of arc discharge machining is further improved.
The important influence factor of the arc discharge machining efficiency based on the fluid power arc breaking mechanism is the pressure and the flow velocity of the interpolar flushing liquid, the interpolar high-speed and high-pressure flushing liquid is beneficial to improving the actual arc breaking effect, and the high-speed fluid can quickly take away the erosion particles on the surface of the machined workpiece, generate the explosion effect and quickly cool the surface of the workpiece. Such an arc discharge machining method for breaking an arc by using a high-speed high-pressure fluid is also called an arc discharge explosion erosion milling method.
The arc discharge machining is suitable for efficiently removing the rough machining stage of the difficult-to-machine material, if an arc discharge machining method can be integrated on a machining center or a machine tool, a subsequent finish machining process is switched by utilizing a quick tool changing function, the whole set of machining process flows of finish machining such as arc discharge rough/semi-finish machining, high-speed milling and the like can be completed by one-time clamping on the same equipment, the clamping times and the post-treatment process are reduced, the machining efficiency of the difficult-to-machine material is greatly improved, and the equipment cost is saved.
The rotary internal flushing knife handle capable of realizing the high-speed and high-pressure flushing function between electrodes is designed by utilizing the universal knife handle structure of the existing machining center and the existing machine tool, can realize quick tool changing of the machine tool, combines the mechanical motion arc breaking mechanism and the fluid power arc breaking mechanism of arc discharge machining, is favorable for integrating the advantages of two arc discharge arc breaking mechanisms, compounds the arc discharge machining on the universal machining center and the machine tool, and ensures the high-efficiency proceeding of the arc discharge machining, thereby greatly improving the application range of the arc discharge machining.
The search of the prior art finds that a cluster electrode high-speed discharge machining method based on a hydrodynamic arc breaking mechanism disclosed in Chinese patent document No. CN 102091839 mainly relates to a discharge electrode in a porous cluster form and a design method of a flushing system in a water-based solution circulating fluid loop. The method is only suitable for special electric discharge machining equipment, different cluster electrodes are designed when different parts are machined, and composite machining in a machining center with a standard tool magazine is difficult.
Further, it has been found that chinese patent No. CN 87106421a discloses a method and an apparatus for machining a metal material by a combination of electric discharge grinding and mechanical grinding, which realizes electric discharge grinding machining by arc discharge between a tool grinding wheel and a workpiece to be machined and relative mechanical movement arc breakage. The method and the device are only suitable for the discharge machining of the excircle parts such as the roller, the grinding roller and the like and the discharge grinding grooving of the surfaces of some parts, belong to special machining equipment and can not meet the composite machining of a machining center.
A side milling electrode clamping device for high-speed arc discharge machining disclosed in chinese patent document CN 103586551, which relates to a device mounted on a machine tool spindle, having the functions of clamping and rotating a side milling electrode and realizing the side directional flushing of the side milling electrode. The device is complex in installation mode on a machine tool spindle, a matched standard tool changing structure is not provided to realize rapid switching of a side milling electrode device, and composite machining of arc discharge milling and high-speed milling cannot be realized in general machine tool equipment.
Although the three methods and devices for arc discharge machining can improve the efficiency of arc discharge machining, the two machining methods of arc discharge milling and high-speed milling are difficult to combine in one machining device.
Disclosure of Invention
Aiming at the defects in the prior art, the invention designs and realizes a rotary internal flushing liquid cutter handle device for arc discharge explosion milling. The technical problem to be solved by the device is as follows: the high-flow high-speed internal flushing liquid of the main shaft cutter handle device is realized, so that a hydrodynamic arc breaking mechanism of arc discharge machining is realized, erosion particles on the machined surface are taken away in time by using the high-speed flushing liquid, the machining effect of explosion erosion is generated, and the machining efficiency of arc discharge is improved.
The device further solves the problem that the combination of mechanical motion arc breaking and fluid power arc breaking mechanisms of arc discharge machining is realized on the main shaft cutter handle device so as to further improve the efficiency of the arc discharge machining.
The device further solves the problem that the rapid tool changing of the spindle tool holder device for the arc discharge machining and the machine tool spindle is realized, so that the combination of finish machining methods such as rough/semi-finish machining, high-speed milling and the like of the arc discharge on the same equipment is realized, and the application range of the device is greatly improved.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a rotary internal flushing liquid knife handle device for arc discharge explosion erosion milling comprises a knife handle shaft structure, a flushing liquid box body structure and an electrode clamping structure, wherein the knife handle shaft structure is provided with a standard cone shape and can be rapidly in butt joint with a machine tool spindle.
The cutter handle shaft structure penetrates through the whole cutter handle device as a shaft structure, the upper standard conical structure of the cutter handle shaft structure is connected with the main shaft of the machine tool, the middle part of the cutter handle shaft structure penetrates through the flushing box body structure, and the lower part of the cutter handle shaft structure is connected with the electrode clamping structure;
a communicated cavity is formed in the tool shank shaft structure, and outlets communicated with the cavity are respectively formed in the outer circumferential surface and the lower end surface of the tool shank shaft structure;
the liquid flushing box body structure is provided with an inner cavity for the knife handle shaft structure to penetrate through, and a liquid flushing pipe is inserted at the periphery of the upper end surface of the liquid flushing box body structure;
the upper part of the flushing pipe is connected with a positioning block fixed on a main shaft of a machine tool, the lower part of the flushing pipe is inserted into the flushing box body structure and is provided with a side hole along the radial direction, and the hollow part of the flushing pipe is communicated with the inner cavity of the flushing box body structure through the side hole and an inner flow passage of the flushing box body structure;
the electrode clamping structure is hollow, and an opening at the upper part of the electrode clamping structure is communicated with the outlet at the lower end face of the lower part of the cutter handle shaft structure.
Specifically, handle of a knife axle construction includes standard handle of a knife axle and blind rivet, the lower terminal surface of standard handle of a knife axle is opened along the axis direction has first blind hole, the radial division of standard handle of a knife axle has the handle of a knife side hole that can communicate first blind hole, just first blind hole with the handle of a knife side hole communicates with each other.
Specifically, four knife handle side holes are arranged, and the four knife handle side holes are distributed in a cross shape along the radial direction of the standard knife handle shaft.
Specifically, the flushing tank structure comprises a tank body, a flushing block and a flushing pipe; the side of box is installed to the liquid flushing piece, the second blind hole that leads to inside is opened to the up end periphery of liquid flushing piece, the liquid flushing pipe is inserted and is located in this second blind hole, the liquid flushing pipe side opening has been seted up on the outer wall of the tip of liquid flushing pipe.
Specifically, the inner cavity of the flushing tank structure refers to a cavity structure inside the tank, and a tank side hole which can communicate the cavity structure to the outer surface of the tank is formed in the flushing tank structure; the middle part of cavity structure edge axis direction is provided with an annular groove, this annular groove with the outer periphery of standard handle axle forms the liquid chamber of an annular along axial extension, the box side opening by the inner wall in liquid chamber link up to the surface of towards liquid box structure.
Specifically, the inside of towards liquid box structure is provided with the interior runner that the confession liquid flows, interior runner includes the sap cavity, can lead into liquid extremely the sap cavity the box side opening, set up towards the liquid piece on and can with the second blind hole with the drain hole of box side opening UNICOM and with the drain hole corresponds the setting towards liquid pipe side opening.
Specifically, the axis of the side hole of the box body is superposed with the axis of the liquid guide hole of the liquid flushing block and the axis of the side hole of the liquid flushing pipe.
Specifically, the axis of the side hole of the box body is arranged in a staggered manner with the central axis of the box body.
Specifically, a plurality of circular through holes are formed in the circular ring surface at the lower end of the electrode and communicated with the upper end surface and the lower end surface of the electrode.
The invention has the beneficial effects that: a simple and effective universal series standard machining center tool handle is designed, and the universal machining center is switched from arc discharge milling to high-speed milling by using a quick tool changing function, so that the whole process flow from arc discharge rough/semi-finish machining to high-speed milling finish machining can be completed by clamping a difficult-to-machine material once, the machining efficiency is obviously improved, and the design cost of the device is saved. The rotary inner flushing liquid knife handle is arranged in a standard knife magazine of a universal machining center, and is driven by a main shaft to rotate at a high speed after changing the knife, so that a mechanical motion arc breaking mechanism of arc discharge is effectively realized, the discharge loss of an electrode is more uniform, and the use efficiency of the electrode is improved. The liquid flushing structure in the cutter handle is quickly matched with the positioning block of the spindle box of the machining center, the actual effect of a fluid power arc breaking mechanism under the high-speed liquid flushing condition is guaranteed, meanwhile, particles are quickly removed by arc explosion thermal fusion, and the continuous operation of arc discharge machining is ensured.
Drawings
FIG. 1 is a schematic exterior view of a standard rotating inner flush handle according to the present invention.
Fig. 2 is an axial half-sectional view of the device of fig. 1.
Fig. 3 is a half sectional view of the device of fig. 1 taken along the direction a in fig. 2.
FIG. 4 is a schematic cross-sectional view of a first electrode used in the device of the present invention.
FIG. 5 is a schematic cross-sectional view of a second electrode used in the device of the present invention.
Fig. 6 is a schematic view of the principle of arc interruption of the combination of fluid power and mechanical motion when the device of the invention works.
Fig. 7 is a partially enlarged view at B in fig. 6.
Wherein the reference numerals of fig. 1 to 7 are explained as follows:
110. pulling nails; 120. a standard tool shank spindle; 121. a side hole of the tool holder; 122. a first blind hole; 130. a positioning ring; 131. tightening the screw; 140. a shoulder collar; 210. a box body; 211. a first bearing; 212. a second bearing; 213. a first oil seal; 214. a second oil seal; 215. a side hole of the box body; 216. a liquid chamber; 220. flushing the liquid block; 221. a drain hole; 222. a second screw; 223. a second blind hole; 230. a liquid flushing pipe; 231. side holes of the liquid flushing pipe; 232. a first screw; 240. an end cap; 250. a retainer ring for a shaft; 260. an inner flow passage; 310. a standard series of chucks; 320. an electrode; 321. a first electrode cross-section; 322. a second electrode cross-section; 330. a collet nut; 410. positioning blocks; 420. processing a workpiece; 430. a main spindle box; 440. a machine tool spindle; 450. a flushing fluid; 451. an interelectrode flushing flow field; 460. a discharge arc; 461. breaking the arc; 462. a thermal ablation pit; 463. the particles are etched away.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific examples, which will help to further understand the present invention but are not to be construed as specifically limiting the present invention. It should be noted that any modifications, equivalents, variations and improvements made by those skilled in the art without departing from the principle and spirit of the present invention shall fall within the scope of the present invention.
Referring to fig. 1, 2 and 5, a rotary internal flushing liquid knife handle device for arc discharge explosion erosion milling is shown to be mounted on a machining center or a machine tool spindle, and the device includes a knife handle shaft structure, an internal flushing liquid box structure and an electrode clamping structure.
Referring to the half-sectional view of fig. 2, the tool shank spindle structure includes a blind rivet 110 and a standard tool shank spindle 120, the blind rivet 110 is installed in a threaded hole at the upper end face of the standard tool shank spindle 120, the standard tool shank spindle 120 is installed in a spindle hole of a general machine tool through the blind rivet 110 and a tool shank taper structure, the middle part of the standard tool shank spindle 120 is connected to a box 210, and the lower end is connected to a standard series chuck 310. The standard tool shank shaft 120 is provided with a tool shank side hole 121 in the radial direction on the shaft circumferential surface, a first blind hole 122 is formed in the lower end surface along the axis direction, and the tool shank side hole 121 is communicated with the first blind hole 122 and forms a cavity inside the shaft.
Specifically, the number of the shank side holes 121 of the standard shank spindle 120 is 4, and the shank side holes are distributed in a cross shape on the radial cross section. Specifically, the specification of the upper clamping portion of the standard arbor 120 is BT40 standard. Preferably, the structure for clamping the upper end of the standard tool shank shaft 120 of the device can be designed in the general specification models of SK, CAPTO, BBT, HSK and the like.
Referring to fig. 2, 3 and 6, the internal flushing tank structure is mainly used for supplying high-speed and high-pressure flushing liquid between the electrode 320 and the workpiece 420 to form an inter-electrode flushing liquid flow field 451, so as to realize a hydrodynamic arc breaking mechanism. The inner flushing tank structure comprises a flushing block 220, a flushing pipe 230 and a tank body 210. The liquid flushing pipe 230 is hollow and inserted into the second blind hole 223 formed on the periphery of the upper end surface of the liquid flushing block 220, and the lower end surface of the liquid flushing pipe 230 is in contact with the bottom surface of the second blind hole 223. A side hole 231 is formed on the outer wall of the end of the wash pipe 230. The outer circumference of the flushing block 220 is provided with a threaded counter bore, and along the direction of the counter bore, the outer circumference of the flushing pipe 230 is provided with a threaded hole communicated with the hollow part; the flushing block 220 and the flushing pipe 230 are positioned by a first screw 232 arranged on the threaded holes of the flushing block and the flushing pipe; the flushing block 220 is installed on the side surface of the case 210 and connected thereto by a second screw 222. The inner cavity of the flushing tank structure refers to a cavity structure inside the tank, a tank side hole 215 communicating with the inner cavity is formed in the outer surface of the tank 210, and the axis of the tank side hole 215 is coincident with the axes of the liquid guide hole 221 of the flushing block 220 and the flushing pipe side hole 231 of the flushing pipe 230 and does not point to the center of the inner cavity of the tank 210. The case side hole 215 may communicate the cavity structure to the outer surface of the case 210; the middle part of cavity structure along the axis direction is provided with an annular groove, this annular groove with the outer periphery of standard handle axle forms the liquid chamber of an annular along axial extension, box side opening 215 by the inner wall in liquid chamber link up to the surface of towards liquid box structure.
Towards liquid box structure's inside is provided with the interior runner 260 that supplies liquid to flow, interior runner 260 includes the sap cavity, can lead into liquid extremely the sap cavity the box side opening 215, set up towards on the liquid piece 220 and can with second blind hole 223 with the drain hole 221 of box side opening 215 UNICOM and with the drain hole 221 corresponds the setting towards liquid pipe side opening 231. An annular groove is formed in the middle of the inner cavity of the box body 210, and a circular ring type liquid cavity 216 is approximately formed in the axial area of the annular groove with the circumferential surface of the standard knife handle shaft 120 and serves as a transfer buffer structure for high-speed flushing liquid, so that stable liquid feeding of the side hole of the standard knife handle shaft 120 is ensured.
Referring to the half-sectional view of fig. 2, the inner flushing structure further includes a general part and a standard part for installation and fixation. A first bearing 211 and a second bearing 212 are arranged at two ends of the inner cavity of the box body 210 and are axially positioned through wall shoulders; the end faces of the upper inner wall baffle ring and the lower inner wall baffle ring of the liquid cavity 216 are provided with a first oil seal 213 and a second oil seal 214, so that the liquid exchange between the liquid cavity 216 and other spaces of the box body 210 is isolated. The standard tool shank shaft 120 is sequentially provided with a positioning ring 130, a shaft shoulder retainer ring 140, a box body 210 with a bearing and an oil seal, an end cover 240 and a shaft retainer ring 250 from top to bottom; specifically, the upper end surface of the positioning ring 130 contacts with the lower end surface of the upper conical structure of the standard tool shank 120, and is radially pressed against a threaded hole formed at the radial position of the positioning ring and a radial groove formed at the lower end of the upper conical structure of the standard tool shank 120 through a set screw 131, so as to fix the relative position of the positioning ring 130 and the standard tool shank 120; the upper end surface of the shaft shoulder retaining ring is contacted with the retaining ring 130, and the lower end surface of the shaft shoulder retaining ring is contacted with the inner ring of the first bearing 211 arranged on the box body 210; the outwardly extending flange at the upper part of the end cap 240 abuts against the inner ring of the second bearing 212 mounted on the case 210 in the axial direction of the standard arbor 120; the shaft retainer 250 is inserted into a radial groove of the standard tool shank 120, and the upper portion in the axial direction contacts the lower portion of the end cap 240, so that the end cap 240, the housing 210 with the bearings and the oil seals mounted thereon, and the shoulder retainer 140 are axially fixed in the axial direction of the standard tool shank 120.
Referring to fig. 2, 4 and 5, the electrode gripping structure includes a standard series collet 310, a collet nut 330 and the electrode 320 itself. The standard series collet 310 is installed in a tapered hole at the lower end of the standard tool shank spindle 120, and the electrode 320 is installed in the inner hole thereof, and the electrode 320 is clamped by the self-locking of the collet nut 330 with the screw thread at the lower end of the standard tool shank spindle 120 and the wedge mechanism formed by the standard series collet 310 and the collet nut 330. Specifically, the cross section of the electrode 320 is a circular ring structure, which is called a first electrode section 321 structure; preferably, the cross section of the electrode 320 is a circular ring and the second electrode section 322 structure with several axial small through holes on the circular ring surface.
The cross-sectional structure of the electrode 320 should not be limited to the two structures illustrated in fig. 4 and 5. Research shows that the adoption of the porous electrode can obviously improve the flow field of the flushing liquid between electrodes, so that the discharge state is always kept at a better level, and the processing efficiency is improved by more than 3 times. Other cross-sectional structures for realizing porous flushing liquid on the end face of the electrode also should be covered in the protection scope of the invention.
The working process of the rotary internal flushing liquid cutter handle for arc discharge explosion erosion milling is as follows.
Referring to the schematic diagram of the fluid power and mechanical motion composite arc breaking principle of fig. 5 and the enlarged partial view of fig. 6, the upper clamping mechanism of the standard tool shank 120 is mounted on the machine tool spindle, and the blind rivet 110 is tightened inside the machine tool spindle to drive the standard tool shank 120 and the blind rivet 110 to rotate; the flushing fluid 450 flows into the flow channel of the inner flushing box body structure from the flow channel of the positioning block 410 fixed on the spindle box 430, and the flow path of the flushing fluid is that the flushing fluid flows in from the hollow part of the flushing pipe 230, passes through the inner flow channel 260, flows into the first blind hole 122 from the side hole 121 of the tool holder of the standard tool shank shaft 120, and finally flows out of the inter-electrode discharge area from the hollow part of the electrode 320; the discharge arc 460 removes material from the work piece 420 by thermal ablation, the electrode 320 rotates with the standard tool shank 120, and the high-speed, high-pressure flushing fluid 450 flows between the electrodes to form an inter-electrode flushing flow field 451. On one hand, the discharge points of the electrode 420 and the processing workpiece 420 generate relative displacement due to the rotation of the electrode, so that the discharge arc 460 is elongated to be incapable of being maintained and changed into an arc 461; on the other hand, the discharge arc 460 is broken into the broken arc 461 by the flow field force generated by the inter-electrode rinsing flow field 451. The combination of the two arc breaking mechanisms timely cuts off the discharge arc 460, the explosion generates the erosion particles 463 which are quickly taken away by the flushing liquid, the arc discharge erosion process is effectively controlled, and the arc discharge explosion erosion milling processing effect is achieved.
The invention is not only limited to be applied to the field of arc discharge machining, but also can be applied to the technical fields of electric spark, electrochemistry, laser machining and the like which use the plasma discharge principle for machining.
The invention is described above with reference to the accompanying drawings, and it is obvious that the implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various modifications of the technical solution of the invention, or to directly use the concept and technical solution of the invention in other occasions without modification.
Claims (7)
1. The utility model provides a towards liquid handle of a knife device in rotation for arc discharge explosion erosion mills, the device include that a design has handle of a knife axle structure, a locating block structure, towards liquid box structure and an electrode clamping structure that can dock with the quick standard toper of lathe main shaft, its characterized in that:
the cutter handle shaft structure penetrates through the whole cutter handle device as a shaft structure, the cutter handle shaft structure is designed as an integrated structure, the upper standard conical structure of the cutter handle shaft structure is connected with the main shaft of the machine tool, the middle part of the cutter handle shaft structure penetrates through the liquid flushing box body structure, and the lower part of the cutter handle shaft structure is connected with the electrode clamping structure;
the tool shank shaft structure comprises a standard tool shank shaft and a rivet, a first blind hole is formed in the lower end face of the standard tool shank shaft along the axis direction, a tool shank side hole capable of being communicated with the first blind hole is formed in the radial direction of the standard tool shank shaft, and the first blind hole is communicated with the tool shank side hole;
the upper end surface of the positioning block structure is connected with and fixed with the lower end surface of the main shaft;
the liquid flushing box body structure is provided with an inner cavity for the knife handle shaft structure to penetrate through, and a liquid flushing pipe is inserted at the periphery of the upper end surface of the liquid flushing box body structure;
the inner cavity of the flushing tank body structure refers to a cavity structure inside the tank body, and a tank body side hole which can communicate the cavity structure to the outer surface of the tank body is formed in the flushing tank body structure; the upper part of the flushing pipe is connected with a positioning block fixed on a main shaft of a machine tool, the lower part of the flushing pipe is inserted in the flushing box body structure and is provided with a flushing pipe side hole along the radial direction, and the hollow part of the flushing pipe is communicated with the inner cavity of the flushing box body structure through the side hole and an inner flow passage of the flushing box body structure;
the electrode clamping structure is hollow, and an opening at the upper part of the electrode clamping structure is communicated with an outlet at the lower end face of the lower part of the tool shank shaft structure;
flushing fluid flows into a flow channel of the inner flushing box body structure from a flow channel of a positioning block fixed on a spindle box, and the flow path of the flushing fluid is that flushing fluid flows in from a hollow part of a flushing pipe, flows into a first blind hole from a side hole of a tool shank of a standard tool shank shaft through the inner flow channel, and finally flows out of an inter-electrode discharging area from the hollow part of an electrode.
2. The rotary internal flushing fluid knife handle device for arc discharge explosive erosion milling according to claim 1, wherein four knife handle side holes are provided, and the four knife handle side holes are distributed in a cross shape along the radial direction of the standard knife handle shaft.
3. The rotating inner flushing knife handle device for arc discharge explosive erosion milling of claim 1, wherein the flushing tank structure comprises a tank body, a flushing block and a flushing pipe; the side of box is installed to the liquid flushing piece, the second blind hole that leads to inside is opened to the up end periphery of liquid flushing piece, the liquid flushing pipe is inserted and is located in this second blind hole, the liquid flushing pipe side opening has been seted up on the outer wall of the tip of liquid flushing pipe.
4. The rotating inner flushing knife handle device for arc discharge explosion erosion milling of claim 3, wherein an inner flow channel for liquid to flow is arranged inside the flushing box body structure, and the inner flow channel comprises the liquid cavity, the box body side hole capable of guiding liquid to the liquid cavity, a liquid guide hole which is arranged on the flushing block and can communicate the second blind hole with the box body side hole, and the flushing pipe side hole which is arranged corresponding to the liquid guide hole.
5. The rotating internal flushing knife handle device for arc discharge explosion erosion milling of claim 4, wherein the axis of the side hole of the box body is coincidently arranged with the axis of the liquid guide hole of the flushing block and the axis of the side hole of the flushing pipe, and the axis of the side hole of the box body is staggered with the central axis of the box body.
6. The rotating inner flushing liquid tool shank device for arc discharge explosion milling according to any one of claims 1 to 5, wherein the electrode clamping structure clamps an electrode which is a hollow cylindrical structure with a circular ring shape in cross section.
7. The rotating inner flushing liquid cutter handle device for arc discharge explosion erosion milling according to any one of claims 1 to 5, wherein the electrode clamping structure clamps an electrode, and a plurality of circular through holes are formed in a circular ring surface at the lower end of the electrode and are communicated with the upper end surface and the lower end surface of the electrode.
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| CN110653435A (en) * | 2019-10-11 | 2020-01-07 | 深圳创源航天科技有限公司 | Insulating knife handle device for electric arc micro-explosion machining and machining equipment |
| CN110653822B (en) * | 2019-10-11 | 2022-12-13 | 深圳创源航天科技有限公司 | Industrial robot arc micro-explosion and cutting combined machining equipment and control method thereof |
| CN111195754B (en) * | 2020-01-09 | 2021-11-09 | 清华大学 | Electric spark machining method and system for changing appearance of end part of tool electrode |
| CN111408810A (en) * | 2020-03-23 | 2020-07-14 | 中国科学院深圳先进技术研究院 | Electric arc micro-explosion and cutting combined machining equipment |
| CN111673210B (en) * | 2020-05-27 | 2021-11-30 | 上海交通大学 | High-speed electric arc machining device and method adopting resorption type electrode |
| CN113941758B (en) * | 2021-10-21 | 2023-05-02 | 深圳创源航天科技有限公司 | Quick-detachable back chipping device and back chipping equipment for arc micro-explosion processing of SiC/Al material |
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| JP2000133408A (en) * | 1998-10-30 | 2000-05-12 | Toshiba Corp | Laser induced discharge generator and generation method thereof |
| CN104907669B (en) * | 2015-06-15 | 2016-09-21 | 上海交通大学 | It is combined current interruption and the discharge cutting machine structure of efficiently chip removal based on fluid and mechanical movement |
| CN208743862U (en) * | 2018-06-04 | 2019-04-16 | 深圳航天科创实业有限公司 | Fliud flushing accelerating toolholder in a kind of standard for arc discharge Milling Process |
| CN108500409B (en) * | 2018-06-04 | 2019-12-03 | 深圳航天科创实业有限公司 | Fliud flushing accelerating toolholder in a kind of standard for arc discharge Milling Process |
| CN208743863U (en) * | 2018-06-22 | 2019-04-16 | 深圳航天科创实业有限公司 | It is a kind of for arc discharge explosion ablation milling rotation in fliud flushing handle device |
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2018
- 2018-06-22 CN CN201810648543.2A patent/CN108526626B/en active Active
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