CN110091015A - A kind of electrolysis electric spark milling Multifunctional milling mounting device - Google Patents

A kind of electrolysis electric spark milling Multifunctional milling mounting device Download PDF

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Publication number
CN110091015A
CN110091015A CN201910466323.2A CN201910466323A CN110091015A CN 110091015 A CN110091015 A CN 110091015A CN 201910466323 A CN201910466323 A CN 201910466323A CN 110091015 A CN110091015 A CN 110091015A
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CN
China
Prior art keywords
conductive shaft
milling
installation set
brush
hydrojet
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CN201910466323.2A
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Chinese (zh)
Inventor
罗建全
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罗建全
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Priority to CN201910466323.2A priority Critical patent/CN110091015A/en
Publication of CN110091015A publication Critical patent/CN110091015A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23HWORKING 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
    • B23H11/00Auxiliary apparatus or details, not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23HWORKING 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
    • B23H5/00Combined machining
    • B23H5/04Electrical discharge machining combined with mechanical working
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0042Devices for removing chips
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine

Abstract

The invention discloses a kind of electrolysis electric spark milling Multifunctional milling mounting devices, it is related to being electrolysed electric spark Combined Machining Technology field, including conductive shaft, one end of conductive shaft is equipped with the joint assembly connecting with the driving mechanism being located on basic processing platform, the other end of conductive shaft is equipped with the cutting ferrule for fixing milling head, installation set and brushgear housing are successively arranged with from one end close to cutting ferrule to one end close to joint assembly on conductive shaft, installation set and brushgear housing state connect surely, installation set and brushgear housing pass through bearing and conductive shaft is rotatablely connected, brushgear housing is fixedly connected by fixed mechanism with basic processing platform;Installation set is equipped with interior liquid-jet device and outer liquid-jet device, and brushgear housing is equipped with brush assembly of electric;The advantages of Fast Installation disassembly of milling head and basic processing platform and the quick-replaceable of milling head can be achieved in the present invention, and liquid-jet device and outer hydrojet auxiliary device in providing, and is effectively combined interior hydrojet and outer hydrojet, it is vdiverse in function, conformability is strong.

Description

A kind of electrolysis electric spark milling Multifunctional milling mounting device
Technical field
The present invention relates to electrolysis electric spark milling technical fields, more particularly to a kind of electrolysis electric spark milling with multi-functional Milling head mounting device.
Background technique
At present for the integrated member of the hard-cutting materials such as machining titanium alloy, high temperature alloy, common manufacturing process has number Control milling, electrical discharge machining, Electrolyzed Processing.Using electrical spark working working hour, not only processing efficiency is still limited, but also work pieces process Surface easily forms recast layer, heat affected area and micro-crack, will affect the fatigue strength and working life of integrated member.Although electrolysis Processing has many advantages, such as that tool cathode is lossless, high in machining efficiency, processing is unstressed, but in anodic dissolution processes, workpiece Surface easily forms the passivating film of higher resistive, compact structure, can hinder the progress of cell reaction.Especially when Electrolyzed Processing titanium closes When the materials stronger from passivity such as gold, usually selects the active cutting fluid of chloride ion-containing etc. to go to destroy passivating film, as a result cause again Serious dispersion corrosion causes machining accuracy lower.
The advantages of being electrolysed electric spark Combined Machining Technology (ECDM) integrated electrolytic and electrical discharge machining is a kind of emerging spy Kind processing technology, the combined machining method for using electrical-chemistry method and spark discharge to process alternately realize difficult processing The highly-efficient processing of material is able to achieve efficient ablation for the unmanageable material of conventional machining processes method and processes, thus just by Step is used in the processing of difficult-to-machine material;In field of aerospace, this Technology application is in high temperature such as titanium alloy, nickel-base alloys In the big part processing of alloy material, there is low cost, efficient processing effect.
When building ECDM milling equipment platform, need the electrode material as milling head being mounted on the bases such as numerical control milling machine tool On plinth processing platform, realizes that ECDM milling equipment platform hardware is built, how to realize and add as the electrode material of milling head and basis The quick-replaceable of the Fast Installation disassembly of work platform and electrode milling head and common milling head is that ECDM milling equipment is stablized, high efficiency is transported Capable basis is the underlying issue built ECDM milling equipment platform and need to solve.
In addition, conventionally employed outer nozzle provides the mode of cutting fluid, liquid-jet device generally need to be individually installed additional by milling head, Installation, using flexible are poor;When on the other hand, using independent outer hydrojet, cutting fluid is most of from workpiece surface loss, when adding When work cutting-in is larger, since the flow resistance in processing gap causes greatly cutting fluid to be difficult timely to make full of entire processing gap very much It is insufficient at machining area feed flow, limit the raising of material removing rate.Therefore, interior injection feed liquid way is introduced into, and cutting fluid is logical It crosses milling head inner hole to be directly injected in processing gap, forms stable, uniform flow field in processing gap, can timely take away Joule heat, the indissoluble product etc. that Electrolyzed Processing generates, significantly improve milling depth, increase working (finishing) area, are more advantageous to efficiently The big surplus removal of the difficult cutting alloy of realization of rate, low cost;But found in usually production verifying, as processing aeroplane engine The leaf dish of machine is this there are when the workpiece of Multiple level, since cutting liquid stream resistance is larger in processing gap, and electrode milling head when processing Rotation, when individually using interior spray system, a large amount of interior spray cutting fluid can be rapidly losing in machined region, causes to process gap Interior appearance cutting flow quantity reduction, velocity flow profile uneven phenomenon, Yi Yinqi processing stability are deteriorated, and are also unfavorable for improving processing effect Rate;And interior hydrojet and outer hydrojet are effectively combined, according to processing actual conditions be adjusted, can mutual help, improve processing How efficiency and stability quickly and easily realize that the combination of interior hydrojet and outer hydrojet feed flow is also that electrode milling head mounting device is wanted The key problem of solution.
Summary of the invention
It is an object of the invention to: in order to realize ECDM milling equipment milling head quick despatch replacement and facilitate in realization The purpose that hydrojet and outer hydrojet feed flow combine, the present invention provide a kind of milling Multifunctional milling mounting device.
The present invention specifically uses following technical scheme to achieve the goals above: a kind of electrolysis electric spark milling is with multi-functional Milling head mounting device, including conductive shaft, one end of conductive shaft is equipped with to be connect with the driving mechanism being located on basic processing platform Joint assembly, the other end of conductive shaft are equipped with the cutting ferrule for fixing milling head, from one end close to cutting ferrule on the conductive shaft It is successively arranged with installation set and brushgear housing to one end close to joint assembly, the installation set and brushgear housing state connect surely, described Installation set and brushgear housing pass through bearing and conductive shaft is rotatablely connected, and the brushgear housing is connected with fixed mechanism;The brushgear housing It is equipped with brush assembly of electric, the installation set is equipped with interior liquid-jet device and outer liquid-jet device, and the interior liquid-jet device includes installation Interior hydrojet insulating tube joint in installation set, conductive shaft is interior to be equipped with interior hydrojet channel, is equipped between conductive shaft and installation set close Big envelope pad, sealing sleeve gasket are fixedly connected with conductive shaft, and sealing sleeve gasket and installation set are rotatablely connected, and are sealed and are opened up on the axial plane of sleeve gasket There is through slot corresponding with interior hydrojet insulating tube joint, the axial plane and through slot that conductive shaft is run through in the one end in interior hydrojet channel are in succession Logical, the other end in interior hydrojet channel is connected to inside cutting ferrule through the end face of conductive shaft.
Further, the outer liquid-jet device includes that the several of the one side that installation set is arranged in close to cutting ferrule are with cutting ferrule The outer sparge pipe of the centroclinal dip at center is also communicated with outer hydrojet insulating tube joint in installation set, and the outer hydrojet insulation tube connects Head passes through the outer hydrojet channel being arranged in installation set with outer sparge pipe and is connected.
Further, uniformly through there is several through-holes on the brushgear housing, the axial line of several through-holes with conductive shaft Axial line is vertical and intersects, and the brush assembly of electric includes equal with number of openings and is uniformly arranged on several in each through-hole The brush being in contact with conductive shaft is located at right above through-hole on the brushgear housing and is fixedly connected with backing plate, hangs down on the backing plate Direct puncture is equipped with the conductive column that can be slided on backing plate, and one end of conductive column towards through-hole is protruded into through-hole and is fixedly connected with brush, leads Electric column is connected to junction pole far from one end of brush, and junction pole is connect with the conductive plate being mounted on brushgear housing;The brush with Compression spring is arranged on conductive column between backing plate.
Further, the brush is electrographite brush, and totally three groups of the brush, every group six are in same with brush is organized It is angularly distributed in a plane perpendicular to conductive shaft axial line and using crosspoint as the center of circle.
Further, the joint assembly includes the taper knife handle being fixedly connected with conductive shaft, and taper knife handle is far from conductive One end of axis sticks into the live spindle end face of basic processing platform.
Further, the fixed mechanism includes the baffle being fixedly connected with brushgear housing, and the baffle is far from brushgear housing It is furnished with locking device in one end.
Further, the cooling blind hole being connected to interior hydrojet channel is equipped in the conductive shaft
Further, felt pad is equipped between the bearing and conductive shaft.
Further, the cutting ferrule is ER cutting ferrule.
Beneficial effects of the present invention are as follows:
1. brush assembly of electric is arranged in the present invention on conductive shaft, the electrode connection of electrode milling head is realized;Setting connects on conductive shaft Head assembly realizes that mounting device and the rapid abutting joint of basic processing platform install or remove;Cutting ferrule is installed on conductive shaft, can be used for The electrode milling head of a certain range of different size obtains quick clamping installation and replacement, and is common to electrode milling head and conventional milling Head, it can be achieved that electrode milling head and common milling head are switched fast, be arranged in hydrojet and outer liquid-jet device, realize in liquid-spraying type electrode The rapid abutting joint of milling head and interior hydrojet liquid-supplying system, and outer liquid-jet device is integrated, overall structure integration is strong, simplifies ECDM The milling head installation of platform, replacement process are equipped in milling;Meanwhile increasing outer liquid-jet device on interior liquid-jet device and being supplemented, in property Can on the advantages of being effectively combined interior hydrojet and outer hydrojet, play good chip removal and refrigerating function, and be effectively ensured plus Work surface accuracy;In structure, for interior liquid-jet device in conjunction with outer liquid-jet device, compact-sized, conformability integrates performance height, is not necessarily to Attachment is separately installed, the simplicity for substantially increasing the outer hydrojet of interior hydrojet while carrying out also effectively reduces attachment cost;
2. brush of the invention is resiliently arranged on brushgear housing by compression spring, compression spring applies elasticity pressure to brush Power, it is ensured that conductive shaft is well contacted with brush;
3. the present invention 18 brushes of winding uniform on conductive shaft, the high current that can hold in peak value 2000A pass through, electric current is logical Amount is big, guarantees that electric current single unit system when increasing considerably is stablized, facilitates the promotion of electrolysis electrical discharge milling machining efficiency;
4. joint assembly of the invention includes being fixedly connected with conductive shaft for sticking into the rotation master of basic processing platform The knife handle of axis, knife handle stick into the live spindle end face of basic processing platform, fast implement Multifunctional milling mounting device and rotation The fixation of main shaft end face, facilitates the live spindle of basic processing platform to directly drive conductive shaft rotation, and installing and dismounting is easy;
5. present invention setting fixed mechanism is used for the fixation of brush assembly of electric and inside and outside liquid-jet device, conductive shaft 1 is avoided to turn Brush assembly of electric and interior liquid-jet device and outer liquid-jet device is driven to rotate with conductive shaft during dynamic;
6. the present invention is equipped with the cooling blind hole being connected to interior hydrojet channel in conductive shaft, cutting fluid enters conductive shaft, and Enter cooling blind hole through interior hydrojet channel, to conductive shaft because carrying out absorption evacuation with the conductive heat generated of brush contact friction, Good heat spreading function is played to conductive shaft;
7. being respectively provided with felt pad between conductive shaft and brushgear housing and installation set of the invention, it is ensured that the present apparatus is connect with ectosome Good insulating properties is kept between part and between basic processing platform.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention;
Fig. 2 is the cross-sectional view of Fig. 1;
Fig. 3 is the right view of Fig. 1.
Appended drawing reference: 1- conductive shaft, 2- cutting ferrule, 3, junction pole, 4- brushgear housing, 401- through-hole, 5- brush, the center 6- fliud flushing Hydrojet insulating tube joint in pipe, 7- conductive plate, 8- installation set, 9-, hydrojet channel, 11- seal sleeve gasket, 12- through slot, 13- in 10- The outer hydrojet insulating tube joint of the outer sparge pipe of backing plate, 14- conductive column, 15- compression spring, 16- knife handle, 17- baffle, 18-, 19-, The outer hydrojet channel 20-, 21- live spindle end face, 22- first bearing, 23- second bearing, the cooling blind hole of 24-
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.In addition, term " the One ", " second " etc. is only used for distinguishing description, is not understood to indicate or imply relative importance.
In the description of embodiment of the present invention, it should be noted that the orientation of the instructions such as term "inner", "outside", "upper" Or positional relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when the orientation usually put Or positional relationship, it is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning It must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
Embodiment 1
As shown in Figure 1 to Figure 3, the present embodiment provides a kind of electrolysis electric spark milling Multifunctional milling mounting device, packets Conductive shaft 1 is included, the right end of conductive shaft 1 is equipped with the joint assembly connecting with the driving mechanism being located on basic processing platform, conductive The left end of axis 1 is equipped with the cutting ferrule 2 for fixing milling head, and cutting ferrule 2 can select different size, can be clamped, replace different rule The electrode milling head of lattice, also may be implemented the quick-replaceable of common milling head and electrode milling head, and in the present embodiment, cutting ferrule 2 preferably makes With ER32 cutting ferrule;Installation set 8 and brushgear housing 4 are from left to right successively arranged on conductive shaft 1, installation set 8 and 4 state of brushgear housing connect surely It connects, installation set 8 is rotatablely connected with conductive shaft 1 by first bearing 22, and brushgear housing 4 is rotated with conductive shaft 1 by second bearing 23 Connection, is equipped with felt pad between first bearing 22, second bearing 23 and conductive shaft 1;Brushgear housing 4 passes through fixed mechanism and basis Processing platform is fixedly connected, and installation set 8 is equipped with interior liquid-jet device and outer liquid-jet device, and brushgear housing 4 is equipped with brush assembly of electric, electricity Brush assemblies are electrically connected to power supply source.
Wherein, interior liquid-jet device includes the interior hydrojet insulating tube joint 9 being mounted on the side of installation set 8, and interior hydrojet is exhausted Edge pipe fitting 9 is connected to external centre punch liquid pipe 21, has opened interior hydrojet channel 10, conductive shaft 1 and installation set in conductive shaft 1 Sealing sleeve gasket 11 is installed, sealing sleeve gasket 11 is fixedly connected with conductive shaft 1, and sealing sleeve gasket 11 is synchronous with conductive shaft 1 to be turned between 8 It is dynamic, seal the through slot 12 for offering endless totally enclosed annular on the axial plane of sleeve gasket 11 around the axial line of sealing sleeve gasket 11, through slot The axial line of the vertical remaining conductive shaft 1 of 12 place planes, the one end in interior hydrojet channel 10 are right through the axial plane and through slot 12 of conductive shaft 1 Lead in succession, the other end in interior hydrojet channel 10 is connected to inside cutting ferrule 3 through the end face of conductive shaft 1, interior hydrojet insulating tube joint 9 It is docked with through slot 12, in this way, interior hydrojet insulating tube joint 9 is communicated with the interior spray hole for the electrode milling head being mounted in cutting ferrule 2, it is real Now it is electrolysed the interior hydrojet milling feed flow effect of electric spark.
Wherein, outer liquid-jet device includes the several centered on cutting ferrule 2 of the one side that installation set 8 is arranged in close to cutting ferrule 2 Centroclinal dip outer sparge pipe 18, be also communicated with outer hydrojet insulating tube joint 19, outer hydrojet insulating tube joint 19 in installation set 8 It is connected to the feed liquid pipeline of outer hydrojet, outer hydrojet insulating tube joint 19 is outer in installation set 8 by being arranged in outer sparge pipe 18 Hydrojet channel 20 is connected.As the leaf dish of processing aero-engine is this there are when the workpiece of Multiple level, due in processing gap Cutting fluid flow resistance is larger, and electrode milling head rotates when processing, and a large amount of interior spray cutting fluid can be rapidly losing in machined region, leads Cause occur the reduction of cutting flow quantity, velocity flow profile uneven phenomenon in processing gap, Yi Yinqi processing stability is deteriorated, is unfavorable for mentioning High processing efficiency increases outer liquid-jet device on the interior liquid-jet device of electrolysis electric spark milling milling head mounting device and is supplemented, The advantages of being effectively combined interior hydrojet and outer hydrojet in performance, it is further ensured that processing efficiency, and in structure, interior hydrojet On device in conjunction with outer liquid-jet device, compact-sized, conformability integrates performance height, without separately installing attachment, substantially increases The simplicity that the outer hydrojet of interior hydrojet carries out simultaneously, also effectively reduces attachment cost.
Wherein, the cooling blind hole 24 being connected to the right end in interior hydrojet channel 10 is equipped in conductive shaft 1, cutting fluid enters conduction Axis 1, and enter cooling blind hole 24 through interior hydrojet channel 10, the cutting fluid in cooling blind hole 24 is to conductive shaft because rubbing with brush contact It wipes the conductive heat generated and carries out absorption evacuation, good heat spreading function is played to conductive shaft.
Wherein, joint assembly can make customized change with the change of basic processing platform, and most direct effect is exactly It realizes and docks with basic processing platform and be that conductive shaft 1 provides rotary driving force, basic processing platform can be CNC milling machine Equal basic platforms, for the present embodiment by taking CNC milling machine as an example, joint assembly includes being fixedly connected with conductive shaft 1 for sticking into numerical control The knife handle 16 of the live spindle end face 21 of milling machine, the card interface phase of the live spindle end face 21 of the shape and CNC milling machine of knife handle 16 Adaptation, fixed mechanism include the baffle 17 connecting with brushgear housing 4, and the one end of the baffle 17 far from brushgear housing 4 is equipped with locking dress It sets, after knife handle 16 sticks into the live spindle end face 21 of CNC milling machine, the installation of electric spark milling milling head will be electrolysed by locking device Apparatus main body is fixedly connected with CNC milling machine, and locking device can use existing secure component, preferably screw and nut assembly. In this way, the electric machine main shaft driving conductive shaft 1 of CNC milling machine rotates, and the brush assembly of electric and interior liquid-jet device on conductive shaft 1 pass through Baffle 17 is fixedly connected with live spindle end face 21, and facing conductive axis 1 is static, it is ensured that conductive shaft 1 does not drive during rotation Brush assembly of electric and the rotation of interior liquid-jet device.
Working principle: in use, knife handle 16 to be sticked into the live spindle end face of CNC milling machine, being locked by locking device, When using electrolysis electrical discharge milling machining, the card top electrode milling head on cutting ferrule 2 starts CNC milling machine, and brush assembly of electric is powered, conductive The rotation band moving electrode milling head of axis 1 rotates, and carries out electrolysis electrical discharge milling machining to the workpiece being fixed in CNC milling machine machine table, Interior liquid-jet device provides interior hydrojet channel for electrode milling head, it is convenient in hydrojet Electrolyzed Processing, outer liquid-jet device assisted outside spray Liquid avoids the phenomenon of cutting fluid flow quantity reduction in processing gap, velocity flow profile unevenness;When using common process, brush assembly of electric Electrode milling head on cutting ferrule 2 is changed to common milling head by no power.
Embodiment 2
In conjunction with shown in Fig. 2 and Fig. 3, the present embodiment advanced optimizes on the basis of embodiment 1, in particular:
Uniformly through having three groups, every group 6 totally 18 through-holes 401 on brushgear housing 4, the axial line of each through-hole 401 with The axial line of conductive shaft 1 is vertical and intersects, and the axis line location of every group of through-hole 401 is in the axis in same plane and with conductive shaft 1 Heart line intersects vertically, and every group of through-hole 401 is angularly distributed using crosspoint as the center of circle, and brush assembly of electric includes 18 and is uniformly arranged on The brush 5 being in contact with conductive shaft 1 in through-hole 401, a brush 5 in each through-hole 401, brush 5 are electrographite brush, brush The surface for being located at through-hole 401 on seat 4 is fixedly connected with backing plate 13, and being vertically equipped on backing plate 13 can slide on backing plate 13 Conductive column 14, one end of conductive column 14 towards through-hole 401 are protruded into through-hole 401 and are fixedly connected with brush 5, and conductive column 14 is far from brush 5 one end is connected to junction pole 3, and junction pole 3 is connect with the conductive plate 7 being mounted on brushgear housing 4, it is preferable that conductive plate 7 is ring Shape is removably mounted on brushgear housing 4, and conductive plate 7 is connected to power supply source;Conductive column 14 between the brush 5 and backing plate 13 On be arranged with compression spring 15.
Brush assembly of electric installs 18 brushes altogether, and the high current that can hold in peak value 2000A passes through, and current flux is big, and electric current is big Component is stablized when amplitude increases, and facilitates the promotion of electrolysis electrical discharge milling machining efficiency;Always there is brush 5 in compression spring 15 Elastic pressure, it is ensured that conductive shaft 1 well contacts in rotary course with brush 5.

Claims (9)

1. a kind of electrolysis electric spark milling Multifunctional milling mounting device, including conductive shaft (1), it is characterised in that: conductive shaft (1) one end is equipped with the joint assembly connecting with the driving mechanism being located on basic processing platform, the other end peace of conductive shaft (1) Equipped with the cutting ferrule (2) for fixing milling head, from one end close to cutting ferrule to one end close to joint assembly on the conductive shaft (1) It is successively arranged with installation set (8) and brushgear housing (4), the installation set (8) and brushgear housing (4) state connect surely, the installation set (8) It is rotatablely connected by bearing and conductive shaft (1) with brushgear housing (4), the brushgear housing (4) is connected with fixed mechanism;The brush Seat (4) is equipped with brush assembly of electric, and the installation set (8) is equipped with interior liquid-jet device and outer liquid-jet device, the interior liquid-jet device Including the interior hydrojet insulating tube joint (9) being mounted on installation set (8), interior hydrojet channel (10) is equipped in conductive shaft (1), it is conductive Sealing sleeve gasket (11) is equipped between axis (1) and installation set (8), sealing sleeve gasket (11) is fixedly connected with conductive shaft (1), seals sleeve gasket (11) it is rotatablely connected, is offered on the axial plane of sealing sleeve gasket (11) corresponding with interior hydrojet insulating tube joint (9) with installation set (8) Through slot (12), axial plane of the one end of interior hydrojet channel (10) through conductive shaft (1) are docked and connected with through slot (12), interior hydrojet channel (10) the other end is connected to cutting ferrule (2) inside through the end face of conductive shaft (1).
2. a kind of electrolysis electric spark milling Multifunctional milling mounting device according to claim 1, it is characterised in that: institute Stating outer liquid-jet device includes that setting is centripetal centered on several (2) by cutting ferrule of the one side of cutting ferrule (2) in installation set (8) Inclined outer sparge pipe (18) is also communicated with outer hydrojet insulating tube joint (19) in installation set (8), and the outer hydrojet insulation tube connects Head (19) is connected with outer sparge pipe (18) by the outer hydrojet channel (20) being arranged in installation set (8).
3. a kind of electrolysis electric spark milling Multifunctional milling mounting device according to claim 1, it is characterised in that: institute Stating uniformly to run through on brushgear housing (4) has several through-holes (401), axle center of the axial line of several through-holes (401) with conductive shaft (1) Line is vertical and intersects, and the brush assembly of electric includes equal with through-hole (401) quantity and is uniformly arranged in each through-hole (401) Several brushes (5) being in contact with conductive shaft (1), be located on the brushgear housing (4) right above through-hole (401) and be fixedly connected Have backing plate (13), the conductive column (14) that can be slided on backing plate (13), conductive column (14) are vertically equipped on the backing plate (13) It protrudes into through-hole (401) towards one end of through-hole (401) to be fixedly connected with brush (5), the one end of conductive column (14) far from brush (5) It is connected to junction pole (3), junction pole (3) is connect with the conductive plate (7) being mounted on brushgear housing (4);The brush (5) and backing plate (13) compression spring (15) are arranged on the conductive column (14) between.
4. a kind of electrolysis electric spark milling Multifunctional milling mounting device according to claim 3, it is characterised in that: institute Stating brush (5) is electrographite brush, and totally three groups of the brush (5), every group six are in same perpendicular to leading with brush (5) are organized It is angularly distributed in the plane of electric axis (1) axial line and using crosspoint as the center of circle.
5. a kind of electrolysis electric spark milling Multifunctional milling mounting device according to claim 1, it is characterised in that: institute Stating joint assembly includes the taper knife handle (16) being fixedly connected with conductive shaft (1), taper knife handle (16) far from conductive shaft (1) one End sticks into the live spindle end face of basic processing platform.
6. a kind of electrolysis electric spark milling Multifunctional milling mounting device according to claim 1, it is characterised in that: institute Stating fixed mechanism includes the baffle (17) being fixedly connected with brushgear housing (4), and the baffle (17) is matched far from the one end of brushgear housing (4) There is locking device.
7. a kind of electrolysis electric spark milling Multifunctional milling mounting device according to claim 1, it is characterised in that: institute State cooling blind hole (24) for being equipped in conductive shaft (1) and being connected to interior hydrojet channel (10)
8. a kind of electrolysis electric spark milling Multifunctional milling mounting device according to claim 1, it is characterised in that: institute It states and is equipped with felt pad between bearing and conductive shaft (1).
9. a kind of electrolysis electric spark milling Multifunctional milling mounting device according to claim 1, it is characterised in that: institute Stating cutting ferrule (2) is ER32 cutting ferrule.
CN201910466323.2A 2019-05-31 2019-05-31 A kind of electrolysis electric spark milling Multifunctional milling mounting device Pending CN110091015A (en)

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CN208187592U (en) * 2018-06-11 2018-12-04 洛阳高测精密机械有限公司 A kind of monitoring temperature structure of main shaft bearing inner ring

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