CN206065593U - For the rotating mechanism and board of low-speed wire cutting linear cutter micro tool electrode - Google Patents
For the rotating mechanism and board of low-speed wire cutting linear cutter micro tool electrode Download PDFInfo
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- CN206065593U CN206065593U CN201621081591.0U CN201621081591U CN206065593U CN 206065593 U CN206065593 U CN 206065593U CN 201621081591 U CN201621081591 U CN 201621081591U CN 206065593 U CN206065593 U CN 206065593U
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Abstract
For the rotating mechanism and board of low-speed wire cutting linear cutter micro tool electrode, the rotating mechanism includes：Welding support, motor, connecting plate for electric motor, first gear, second gear, cog belt, main shaft room, main shaft, precision bearing, precision drill chuck head, bearing (ball) cover, sealing ring and gasket seal；Connecting plate for electric motor is arranged on the welding door-plate of welding support, and motor is arranged on connecting plate for electric motor and is connected with first gear；Cog belt is engaged with first gear and second gear；Main shaft room is arranged on the welding base plate of welding support, main shaft support is in main shaft room, the two ends of main shaft room are installed by bearing (ball) cover, gasket seal is provided between bearing (ball) cover and main shaft room, seal groove is provided with the axis hole of bearing (ball) cover, sealing ring is installed in seal groove, one end of main shaft is connected with second gear, and the other end is connected with precision drill chuck head.This utility model enables the low speed wire electrical discharge machine platform for being mounted with rotating mechanism to process the micro tool with rotary structure.
Description
Technical field
This utility model is related to Electric Discharge Wire-cutting Technology field, more particularly to a kind of to be used for low-speed wire cutting linear cutter
The rotating mechanism and board of micro tool electrode.
Background technology
As micromechanics and MEMS (MEMS, Micro-Electro-Mechanical System) are stepped into
Practical stage, the micro tool in the urgent need to producing variously-shaped complexity, such as micro- milling cutter, microprobe and micro- multidiameter etc.
Micro tool realizing the processing of micropore, microflute etc., or using micro tool as the electrode in edm process, because
The high accuracy of this micro tool and high-quality are prepared for the development of micro-electronic mechanical system technique will produce important promotion
And facilitation.
Spark machined is conductive using the galvanic action ablation produced during two interpolar pulsed discharge being immersed in working solution
The special process method of material, during processing, wire electrode and workpiece connect the two poles of the earth of the pulse power respectively, and wire electrode continuous moving is right
Workpiece carries out pulse spark electric discharge, corrodes workpiece, makes work piece cut molding.Spark machined receives material strong with its noncontact, not
Degree and hardness limit and can pass through to control the method for discharge energy and realizes the expected advantage for removing unit, at fine zero
The manufacture field of part has unique advantage.
Electric spark grinding and block electrode electric spark grinding are the Conventional processing methods of micro tool, but electric spark grinding equipment
It is expensive and working (machining) efficiency is low, be only limitted to process with simple rotary structure micro rod；Block electrode electric spark grinds
Cut simple with device, low cost and the advantage being easily installed, but the processing gap meeting of the loss and change due to block electrode
So that the machining accuracy of micro tool is relatively low and taper easily occurs, it is unfavorable for controlling the diameter of micro tool.
The characteristics of WEDM platform has processing high efficient and flexible, WEDM platform includes HS-WEDM
Cutting machine and low speed wire electrical discharge machine platform, problem of HS-WEDM platform are liquid, therefore can be by HS-WEDM
Cutting machine carries out transforming and enables to process the workpiece with revolving structure, that is, realize the processing of micro tool, but at a high speed
There is drawback in wire-moving cutting machine, the precision of such as control system is low, wire electrode reuses in itself etc., can cause to be added
The workpiece of work cannot reach less than 100 μm in size, therefore the size of the micro tool that can be processed can be restricted, Er Qiejia
The precision of the micro tool that work goes out is relatively low, and surface quality is poor.The multiple cutting of low speed wire electrical discharge machine platform and high-precision
The control system of degree ensure that the quality of processing part, but the unidirectional wire WEDM platform of low speed is five-axle linkage,
The processing of ruled surface and complicated ruled surface can be realized, but can not be realized with the fine work of revolving body for non-fully running through
Tool or local have the tool processes of micro- revolving structure, and low speed wire electrical discharge machine platform is immersion type, whole processed
Journey is carried out inside working solution, and this causes low speed wire electrical discharge machine platform micro tool of the processing with revolving structure to face sternness
Challenge.
Utility model content
In order to solve to use present in prior art electric spark grinding apparatus processing micro tool relatively costly and
The micro tool size processed using the problem of HS-WEDM platform of repacking is unable to reach less than 100 μm, and there is processing
The problem that micro tool precision is low, surface quality is poor for going out, this utility model embodiment provide a kind of for low-speed wire cutting line
The rotating mechanism of cutting processing micro tool electrode, the rotating mechanism include：
Welding support, motor, connecting plate for electric motor, first gear, second gear, cog belt, main shaft room, main shaft, two it is smart
Close bearing, precision drill chuck head, two bearing (ball) covers, sealing ring and gasket seals；
Welding support includes welding door-plate and welding base plate, and welding door-plate is vertical with welding base plate, and welding door-plate is provided with
Through the cell body of welding door-plate thickness；
Connecting plate for electric motor is arranged on the welding door-plate, and connecting plate for electric motor is provided with through hole, and motor connects installed in motor
On fishplate bar and the output shaft of motor is connected through through hole with first gear；
Cog belt is meshed with first gear and second gear respectively, and the diameter of first gear is straight less than second gear
Footpath；
Main shaft room is arranged on the welding base plate, and the two ends of main shaft are respectively supported on the main shaft by a precision bearing
A bearing (ball) cover is respectively installed in interior, the two ends of main shaft room, and a sealing gasket is equipped between each bearing (ball) cover and main shaft room
Piece, is equipped with an axis hole on each bearing (ball) cover, be provided with least two seals groove, each seal groove and install in each axis hole
One sealing ring, one end of main shaft sequentially pass through the cell body and on axis hole and the welding door-plate on a bearing (ball) cover
Two gears connect, and the other end is connected through the axis hole on another bearing (ball) cover with precision drill chuck head, and the precision drill chuck head is used
In installation micro tool matrix.
The welding support also includes two block welding gussets, and two block welding gussets are vertically fixed on the two of the welding door-plate
Side, and it is also vertical with the welding base plate per block welding gusset.
The connecting plate for electric motor is that the two ends of one flat plate are formed to same direction bending, and the connecting plate for electric motor includes
First support is fixed daughter board, second support and fixes daughter board and motor fixation daughter board；
Motor is fixed daughter board and is located between first support fixation daughter board and second support fixation daughter board, and motor is fixed on daughter board
Be provided with the through hole, the motor be arranged on motor fix on daughter board and the motor output shaft through the through hole with it is described
First gear connects；
First support fixes daughter board and second support to be fixed and be equipped with strip hole on daughter board, by screw bolt passes first
Strip hole and the welding door-plate that support is fixed on daughter board, and fixed on daughter board by screw bolt passes second support
Strip hole and the welding door-plate.
The main shaft room includes base plate connecting plate and the main shaft cavity on base plate connecting plate, and main shaft cavity is located at base plate
The centre of connecting plate；
Base plate connecting plate is arranged on the welding base plate by bolt；
A spindle mounting hole, two bearing mounting holes and two bearing (ball) cover installing holes, main shaft are provided with main shaft cavity
The two ends of installing hole are respectively connected with a bearing mounting hole, and each bearing mounting hole is connected with a bearing (ball) cover installing hole；
One precision bearing is respectively installed in each bearing mounting hole, it is each in each bearing (ball) cover installing hole to install one
The bearing (ball) cover, the main shaft are located in the spindle mounting hole, and the two ends of the main shaft are sequentially passed through described in one
The axis hole of precision bearing and a bearing (ball) cover.
One end of the main shaft is provided with flat key groove, installs flat key in flat key groove, one end of the main shaft by flat key with
The second gear connection.
One end of the main shaft is provided with conduction brush link slot, for being connected with conduction brush.
The main shaft room, the main shaft and the bearing (ball) cover scribble corrosion-resistant underwater paint.
The material of the cog belt is polyurethane.
On the other hand, this utility model embodiment provides a kind of low speed wire electrical discharge machine platform, rotation described in the board
Rotation mechanism；
The welding base plate of the rotating mechanism is arranged on the workbench of the board, and can be with workbench together in level
Feed motion is done on direction.
The board also includes conduction brush pressure strip, Change-over frame and conduction brush；
Conduction brush is welded on the conduction brush pressure strip and conduction brush is connected with the conduction brush link slot of the main shaft, institute
One end that conduction brush pressure strip is stated with the Change-over frame is welded and fixed together, and the other end of the Change-over frame passes through bolt and institute
State connecting plate for electric motor to be fixed together.
It is in this utility model embodiment, a kind of for low-speed wire cutting linear cutter micro tool electrode by designing
Rotating mechanism, and the rotating mechanism is arranged on the workbench of low speed wire electrical discharge machine platform, by fine work to be processed
Tool matrix is arranged on the precision drill chuck head of rotating mechanism, and the rotating mechanism is doing feeding fortune in the horizontal direction with workbench
Micro tool matrix can be driven while dynamic to rotate, the wire electrode of low speed wire electrical discharge machine platform is simultaneously in vertically side
To moving downward, positive pole of the micro tool matrix as spark machined, negative pole of the wire electrode as spark machined, so that
Obtain low speed wire electrical discharge machine platform and can process the micro tool that there is revolving structure with rotary structure or local, plus
The micro tool that work goes out can be used to the micro tool electrode as spark machined, carry out table to which also dependent on practical situation
Face is used as fine cutter after processing；For electric spark grinding equipment, the low-speed wire cutting line of rotating mechanism is mounted with
The cost of cutting machine is more cheap, and is mounted with that the low speed wire electrical discharge machine platform of rotating mechanism can process various tools
There is the micro tool of complicated revolving structure；For the problem of HS-WEDM platform of transformation, rotating mechanism is mounted with
Low speed wire electrical discharge machine platform can process the micro tool that diameter is less, surface quality is more preferable, precision is higher.Wherein, revolve
The main shaft room of rotation mechanism forms the cavity of a closing in the presence of gasket seal and sealing ring, therefore working solution cannot enter
Enter the precision bearing of the corrosion resistant support main shaft in main shaft room, it is ensured that the installation accuracy of main shaft, and then ensure that micro tool
Machining accuracy.
Description of the drawings
For the technical scheme being illustrated more clearly that in this utility model embodiment, below will be to needed for embodiment description
Accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the rotation for low-speed wire cutting linear cutter micro tool electrode that this utility model embodiment one is provided
The structural scheme of mechanism of mechanism；
Fig. 2 is the structural representation of the welding support that this utility model embodiment one is provided；
Fig. 3 is the work that rotating mechanism is arranged on low speed wire electrical discharge machine platform that this utility model embodiment one is provided
Side view on platform；
Fig. 4 is the work that rotating mechanism is arranged on low speed wire electrical discharge machine platform that this utility model embodiment one is provided
Sectional view on platform；
Fig. 5 is the structural representation of the connecting plate for electric motor that this utility model embodiment one is provided；
Fig. 6 is the structural representation of the welding support that this utility model embodiment one is provided；
Fig. 7 is the low-speed wire cutting wire cutting for being mounted with rotating mechanism that this utility model embodiment one and embodiment two are provided
The structural representation of board；
Fig. 8 is the top view of Fig. 3；
Fig. 9 is the left view of Fig. 3；
Figure 10 is the structural representation of the main shaft room that this utility model embodiment one is provided；
Figure 11 is the sectional view of the main shaft room that this utility model embodiment one is provided；
Figure 12 is the structural representation of the main shaft that this utility model embodiment one is provided；
Figure 13 is the connection signal of conduction brush, conduction brush connecting plate and Change-over frame that this utility model embodiment one is provided
Figure；
Figure 14 is the structural representation of the conduction brush connecting plate that this utility model embodiment one is provided.
Wherein,
1 welding support, 101 welding door-plates, 102 welding base plates, 103 welding gussets；2 motors；3 connecting plate for electric motor, 31
One support fixes daughter board, and 32 second supports fix daughter board, and 33 motors fix daughter board；4 first gears；5 second gears；6 cog belts；
7 main shaft rooms, 71 base plate connecting plates, 72 main shaft cavitys；8 main shafts, 81 flat key grooves, 82 conduction brush link slots；9 precision bearings；10 is smart
Close drill chuck；11 bearing (ball) covers；12 sealing rings；13 micro tool matrixes；14 workbench；15 conduction brush pressure strips, 151 welding are recessed
Groove；16 Change-over frames；17 conduction brush；18 wire electrodes；
Cell body on A welding door-plates；Through hole on B connecting plate for electric motor；Axis hole on C bearing (ball) covers, it is close in C1 axis holes
Sealing groove；D spindle mounting holes；E bearing mounting holes；F bearing (ball) cover installing holes.
Specific embodiment
In order to solve to use present in prior art electric spark grinding apparatus processing micro tool relatively costly and
The micro tool size processed using the problem of HS-WEDM platform of repacking is unable to reach less than 100 μm, and process
Micro tool precision is low, the problem that surface quality is poor, and this utility model embodiment provides a kind of for low-speed wire cutting wire cutting
The rotating mechanism of processing micro tool electrode, as shown in figure 1, the rotating mechanism includes：
Welding support 1, motor 2, connecting plate for electric motor 3, first gear 4, second gear 5, cog belt 6, main shaft room 7, main shaft
8th, two precision bearings 9, precision drill chuck head 10, two bearing (ball) covers 11, sealing ring 12 and gasket seals；
Referring to Fig. 1 and Fig. 2, welding support 1 includes welding door-plate 101 and welding base plate 102, welding door-plate 101 and welding
Base plate 102 is vertical, welds door-plate 101 and is provided with the cell body A through welding 101 thickness of door-plate；
Referring to Fig. 3, Fig. 4 and Fig. 5, connecting plate for electric motor 3 is arranged on welding door-plate 101, and connecting plate for electric motor 3 is provided with through hole
B, motor 2 is arranged on connecting plate for electric motor 3 and the output shaft of motor 2 is connected through through hole B with first gear 4；
Referring to Fig. 1, cog belt 6 is meshed with first gear 4 and second gear 5 respectively, and the diameter of first gear 4 is less than the
The diameter of two gears 5；
Referring to Fig. 1 and Fig. 4, main shaft room 7 is arranged on welding base plate 102, and the two ends of main shaft 8 respectively pass through a precision bearing
9 are supported in main shaft room 7, and a bearing (ball) cover 11 is respectively installed at the two ends of main shaft room 7, each bearing (ball) cover 11 and main shaft room 7 it
Between be equipped with a gasket seal, referring to Fig. 6, an axis hole C is equipped with each bearing (ball) cover 11, is provided with each axis hole C
One sealing ring 12 is installed at least two seals groove C1, each seal groove C1, referring to Fig. 4 and Fig. 1, one end of main shaft 8 is successively
It is connected through the cell body A on the axis hole C on a bearing (ball) cover 11 and welding door-plate 101 with second gear 5, the other end is passed through
Axis hole C on another bearing (ball) cover 11 is connected with precision drill chuck head 10, and precision drill chuck head 10 is used to install micro tool matrix
13。
As shown in fig. 7, and referring to Fig. 3, in this utility model embodiment, can be by the welding base plate of the rotating mechanism
102 are arranged on the workbench 14 of existing low speed wire electrical discharge machine platform so that rotating mechanism can be with workbench 14 together
Feed motion is done in the horizontal direction with certain speed, micro tool matrix 13 to be processed is arranged on into precision drill chuck head 10
It is interior, start motor 2, motor 2 can drive first gear 4 to rotate, and first gear 4 can pass through profile of tooth during rotation
Band 6 drives second gears 5 to rotate, and second gear 5 delivers torque to main shaft 8 so that main shaft 8 drive precision drill chuck head 10 and
Micro tool matrix 13 in precision drill chuck head 10 rotates, while rotating mechanism is fed in the horizontal direction with workbench 14
Motion, the wire electrode 18 of low speed wire electrical discharge machine platform are moved downward with certain wire travelling speed in vertical direction, due to work
Platform 14 and rotating mechanism can be conductive, therefore micro tool matrix 13 is used as the positive pole of spark machined, 18 conduct of wire electrode
The negative pole of spark machined, thus, revolving structure can be processed on micro tool matrix 13.
During processing, workbench 14 and the micro tool matrix 13 on precision drill chuck head 10 are to be immersed in
In working solution, main shaft room 7 can be also immersed in working solution, and main shaft 8 is mainly supported on main shaft room 7 by two precision bearings 9
It is interior, and the two ends of main shaft 8 are by being stretched out by the axis hole C on bearing (ball) cover 11 respectively, wherein, each bearing (ball) cover 11 and main shaft
Gasket seal between room 7 can prevent gap of the working solution between bearing (ball) cover 11 and main shaft room 7 from entering main shaft room 7, enter
One step ground, the inner ring of the sealing ring 12 in each bearing (ball) cover 11 are in close contact with the outer surface of main shaft 8, outer ring with it is close
The bottom land of sealing groove C1 is in close contact, therefore, sealing ring 12 can be prevented in the rotary course of main shaft 8, and working solution passes through bearing
Axis hole C on end cap 11 is entered in main shaft room 7, under the double sealing effect of gasket seal and sealing ring 12, effectively can be prevented
Only working solution is entered in main shaft room 7, during being processed to micro tool matrix 13, the installation site essence of main shaft 8
Degree can be had a major impact to the machining accuracy of micro tool matrix 13, and main shaft 8 is to be arranged on main shaft room 7 by precision bearing 9
It is interior, if precision bearing 9 is corroded by working solution, the installation site of main shaft 8 may be made to shift, and then affect processing essence
Degree, therefore, precision bearing 9 being sealed in main shaft room 7 by double sealing can effectively prevent working solution from entering in main shaft room 7
Corrosion precision bearing 9, it is ensured that the machining accuracy of rotating mechanism.
In this utility model embodiment, gasket seal can be resilient rubbber cushion piece, and sealing ring 12 can be elastic rubber
Glue O-ring, as shown in fig. 6, this utility model embodiment is provided with three seals groove in the axis hole C of each bearing (ball) cover 11
C1, installs a sealing ring 12 in every road sealing groove C1, and the quantity of seal groove C1 can be rationally set according to practical situation
Meter, is not limited to this utility model embodiment.
In this utility model embodiment, due to the two ends of main shaft 8, second gear 5, cog belt 6, main shaft room 7, main shaft 8
Working solution can be all dipped into bearing (ball) cover 11, wherein, the material of first gear 4 and second gear 5 is aluminium alloy, is waterproof material
Material, the material of cog belt 6 is polyurethane, is also waterproof material, therefore, working solution does not interfere with first gear 4, second gear
5 and the transmission of cog belt 6, meanwhile, corrosion-resistant underwater paint can be coated for main shaft 8, main shaft room 7, main shaft 8 and bearing (ball) cover 11,
Prevent during working long hours, these parts are by the corrosion that works.
Can be by micro tool using the low speed wire cutting board of the rotating mechanism being mounted with this utility model embodiment
Matrix 13 is processed into micro tool, and the micro tool that this machines can be made as the electrode of some spark erosion equipments
With, i.e., as micro tool electrode, or the micro tool for machining is surface-treated, for example, is coated abrasive particle, can
With as frotton；Can also be as micro- cutter, the such as micro- milling cutter of twolip, after the intensity that improve the micro tool, for processing
Micropore or microflute.
Electric spark grinding equipment of the prior art can only process the micro tool of simple revolving structure, and pass through this
Rotating mechanism in utility model embodiment, processes can low speed wire cutting board various with complex revolving body structure
Micro tool, for example, can process the micro tool with multidiameter, and the micro tool with self-defined surface of revolution has
The micro tool of taper surface and the micro tool with cutting edge, and the micro tool of these species can be used as micro tool
Electrode is used, it is also possible to used as miniature cutting tool after being surface-treated to which according to practical situation.
The fine work with revolving structure that the problem of HS-WEDM platform reequiped used in prior art can be processed
The diameter of tool is all more than 100 μm, and the micro tool surface quality for processing is poor, and precision is low；And use this utility model reality
The rotating mechanism in example is applied, the micro tool that low speed wire cutting board can be made to process a diameter of 30 μm, while low speed is walked
The multiple cutting of silk cutting machine tool is applied in the course of processing of micro tool, and the course of processing is divided into roughing,
Semifinishing and polish, have taken into account working (machining) efficiency and surface quality so that the surface quality of the micro tool for processing is more preferable,
Surface roughness Ra (Arithmetical Mean Deviation Of The Profile, profile arithmetic mean deviation)<0.5
μm, and as low speed wire electrical discharge machine bed is unidirectional wire transporting, for the reciprocal wire transporting of high speed wire,
The precision of the micro tool for processing is higher.
As shown in figure 1, and referring to Fig. 2, can also for welding support 1 design two block welding gussets 103, two block welding gussets
103 both sides for being vertically fixed on welding door-plate 101, and it is also vertical with welding base plate 102 per block welding gusset 103.Welding gusset
103 can play reinforcing and shockproof effect to welding support 1, improve the globality of welding support 1.Welding door-plate 101 and weldering
Connect base plate 102 to connect using continuous fillet weld, welding gusset 103 can also be adopted with welding base plate 102, welding door-plate 101
Connected with angle welding.
As shown in figure 5, connecting plate for electric motor 3 is that the two ends of one flat plate are formed to same direction bending, by the one of flat board
End is bent to form first support and fixes daughter board 31, and the other end is bent to form second support and fixes daughter board 32, solid positioned at first support
Daughter board 33 is fixed as motor in the part that stator plate 31 and second support are fixed between daughter board 32；
As shown in figure 5, and referring to Fig. 4 and Fig. 8, motor is fixed daughter board 33 and is provided with through hole B, and motor 2 is arranged on motor and consolidates
In stator plate 33 and the output shaft of motor 2 is connected through through hole B with first gear 4；
As shown in figure 5, first support fixes daughter board 31 and second support is fixed daughter board 32 and is provided with strip hole, in this practicality
In new embodiment, first support fixes daughter board 31 and second support to be fixed and be equipped with two strip holes on daughter board 32, also can root
Appropriate design is carried out according to practical situation, as shown in figure 9, using screw bolt passes first support fix daughter board 31 strip hole and
Welding door-plate 101, and the strip hole using screw bolt passes second support fixed plate 32 and welding door-plate 101 are to by electricity
The position of machine 2 is fixed, wherein, bolt can be tightened at any position in strip hole, can be by adjustment bolt in strip
Tighten position to adjust the elastic of cog belt 6 in hole, if 6 tension of cog belt, can be by the first support stator in Fig. 9
Plate 31, second support is fixed daughter board 32 and motor and fixes daughter board 33 and moves down, then tightens bolt, and now, motor 2 can be with
Motor is fixed daughter board 33 and is moved downward, as the output shaft of motor 2 is connected with first gear 4, therefore first gear 4
Can move downward, reduce the distance between first gear 4 and second gear 5, solve the problems, such as 6 tension of cog belt；If tooth
Shape band 6 is excessively loose, then the first support in Fig. 9 can be fixed daughter board 31, second support and fix daughter board 32 and motor stator
Plate 33 is moved up, then tightens bolt, and now, motor 2 can be fixed daughter board 33 with motor and move upwards, defeated due to motor 2
Shaft is connected with first gear 4, therefore first gear 4 also can be moved upwards, make first gear 4 and second gear 5 it
Between distance increase, solve the problems, such as that cog belt 6 is excessively loose.
As shown in figure 1, and referring to Figure 10, main shaft room 7 includes base plate connecting plate 71 and the master on base plate connecting plate 71
Axocoel body 72, main shaft cavity 72 are located at the centre of base plate connecting plate 71；
Base plate connecting plate 71 is arranged on welding base plate 102, in this utility model embodiment, in main shaft chamber by bolt
Three bolts hole are respectively arranged on the base plate connecting plate 71 of 72 both sides of body, base plate connecting plate 71 is fixed on by welding bottom by bolt
The positioning of main shaft room 7 is realized on plate 102 further；
As shown in figure 11, a spindle mounting hole D, two bearing mounting hole E and two bearings are provided with main shaft cavity 72
End cap installing hole F, the two ends of spindle mounting hole D are respectively connected with a bearing mounting hole E, each bearing mounting hole E with one
Bearing (ball) cover installing hole F is connected；
As shown in figure 4, and referring to Fig. 1 and Figure 11, a precision bearing 9, each axle are respectively installed in each bearing mounting hole E
To hold in end cap installing hole F, main shaft 8 in spindle mounting hole D, and the two ends of main shaft 8 according to
The secondary axis hole C for passing through a precision bearing 9 and a bearing (ball) cover 11.
As shown in figure 1, and referring to Fig. 6 and Figure 10, the edge of each bearing (ball) cover 11 is provided with multiple bolts hole, correspondingly,
The two ends of main shaft cavity 72 are also equipped with multiple bolts hole, and each bolt hole on bearing (ball) cover 11 is corresponded on main shaft cavity 72
A bolt hole, main shaft 8 and precision bearing 9 are being placed in main shaft cavity 72, bearing (ball) cover 11 are being arranged on into bearing end
After gasket seal is mounted with 11 hole of lid and between bearing (ball) cover 11 and main shaft cavity 72, can be by screw bolt passes axle
The bolt hole on bolt hole and main shaft cavity 72 on socket end lid 11, and bearing (ball) cover 11 is arranged on into one with main shaft cavity 72
Rise, now, in bearing (ball) cover 11, gasket seal and in the presence of the sealing ring 12 in bearing (ball) cover 11 so that main shaft
Cavity of the cavity 72 for a closing, working solution cannot be introduced into, it is therefore prevented that working solution is to the precision bearing 9 in main shaft cavity 72
Corrosion, it is ensured that the positional precision of main shaft 8, and then ensure the machining accuracy to micro tool.
As shown in figure 12, it is main shaft 8 in this utility model embodiment, one flat key can be set in one end of main shaft 8
Groove 81, in flat key groove 81 is installed flat key, one end of main shaft 8 is connected with second gear 5 by flat key, thus, second gear 5
During rotation, main shaft 8 can be delivered torque to, and then causes main shaft 8 to drive micro tool matrix 13 to rotate；In the same manner, motor 2
Output shaft can also be connected with first gear 4 by flat key, and then output torque is passed to first gear 4.
As shown in figure 12, in this utility model embodiment, can be connected with arranging a conduction brush in one end of main shaft 8
Groove 82, as shown in figure 3, conduction brush link slot 82 is for being connected with conduction brush 17, by the rotation in this utility model embodiment
Mechanism is arranged on low speed wire electrical discharge machine platform, and micro tool matrix 13 is arranged on the precision drill chuck head 10 of rotating mechanism
On, during low speed wire cutting is carried out to micro tool matrix 13, conduction brush 17 can improve the conduction of whole main shaft 8
Property so that electric current passes through main shaft 8, without by precision bearing 9, going out between main shaft 8 and precision bearing 9 so as to avoid
The phenomenon of existing sparking, is more beneficial for carrying out spark discharge processing to micro tool matrix 13.
As shown in figure 13, and referring to Fig. 3 and Fig. 9, conduction brush 17 can be welded on conduction brush pressure strip 15, conduction brush
Pressure strip 15 is welded and fixed together with one end of Change-over frame 16, and the other end of Change-over frame 16 is by bolt and connecting plate for electric motor 3
It is fixed together.
As shown in figure 14, and referring to Figure 13, conduction brush pressure strip 15 is provided with welding groove 151, and conduction brush 17 can be welded
It is connected in welding groove 151, as shown in figure 13, and referring to Fig. 4 and Fig. 9, one end and the conduction brush pressure strip 15 of Change-over frame 16 are welded
It is connected together, the other end can be bolted to by four can so make the position of conduction brush 17 solid on connecting plate for electric motor 3
It is fixed, during main shaft 8 rotates, it is ensured that conduction brush 17 is slidably connected with the conduction brush link slot 82 of main shaft 8 all the time.
It is in this utility model embodiment, a kind of for low-speed wire cutting linear cutter micro tool electrode by designing
Rotating mechanism, and the rotating mechanism is arranged on the workbench 14 of low speed wire electrical discharge machine platform, will be to be processed fine
Tool base 13 be arranged on rotating mechanism precision drill chuck head 10 on, the rotating mechanism with workbench 14 in the horizontal direction
Micro tool matrix 13 can be driven while doing feed motion to rotate, the wire electrode 18 of low speed wire electrical discharge machine platform
Move downward in vertical direction simultaneously, positive pole of the micro tool matrix 13 as spark machined, wire electrode 18 is used as electric spark
The negative pole of processing, so that low speed wire electrical discharge machine platform can be processed has revolution with rotary structure or local
The micro tool of structure, the micro tool for processing can be used to the micro tool electrode as spark machined, also dependent on
Practical situation is used as fine cutter after being surface-treated to which；For electric spark grinding equipment, rotation is mounted with
The cost of the low speed wire electrical discharge machine platform of rotation mechanism is more cheap, and is mounted with the low speed wire electrical discharge machine of rotating mechanism
Platform can process various micro tools with complicated revolving structure；Come relative to the problem of HS-WEDM platform of transformation
Say, be mounted with the low speed wire electrical discharge machine platform of rotating mechanism can process that diameter is less, surface quality more preferably, precision it is higher
Micro tool.Wherein, the main shaft room 7 of rotating mechanism forms a closing in the presence of gasket seal and sealing ring 12
Cavity, therefore working solution cannot be introduced into the precision bearing 9 of 7 internal corrosion supports main shaft 8 of main shaft room, it is ensured that the installation of main shaft 8
Precision, and then ensure that the machining accuracy of micro tool.
Embodiment two
This utility model embodiment is cut there is provided a kind of low-speed wire cutting line of the rotating mechanism with described in embodiment one
Cutting mill platform, as shown in figure 1, and referring to Fig. 7, can by the welding base plate 102 of rotating mechanism be arranged on low speed wire electrical discharge machine
On the workbench 14 of platform, for example, bolt hole can be arranged will weld by bolt on base plate 102 is welded and on workbench 14
Base plate 102 and workbench 14 are fixed together, therefore, when workbench 14 does feed motion in the horizontal direction, can be while band
Dynamic rotating mechanism is done and then motion in the horizontal direction, as rotating mechanism is linked together with workbench 14, therefore, it is arranged on
Micro tool matrix 13 on rotating mechanism is the positive pole of spark machined, and the wire electrode 18 of low speed wire electrical discharge machine platform is made
For the negative pole of spark machined, micro tool is driven to rotate in rotating mechanism, workbench 14 drives micro tool to do water
Flat feed motion and wire electrode 18 are done under the collective effect of motion straight down, can be processed into micro tool matrix 13
There is the micro tool of revolving structure with revolving structure or local, the micro tool for processing is can be used to as electric fire
Micro-electrode in flower processing is using.
As shown in figure 3, in this utility model embodiment, in order to increase the electric conductivity in edm process, may be used also
Think that low speed wire electrical discharge machine platform arranges conduction brush pressure strip 15, Change-over frame 16 and conduction brush 17, conduction brush 17 is welded on
On conduction brush pressure strip 15, conduction brush pressure strip 15 is welded and fixed together with one end of Change-over frame 16, Change-over frame 16 it is another
End is fixed together with connecting plate for electric motor 3 by bolt, so that conduction brush 17 has been connected with the conduction brush link slot 82 of main shaft 8
Come, during cutting on line, conduction brush 17 can improve the electric conductivity of whole main shaft 8, be conducive to entering micro tool matrix 13
Row spark discharge is processed.
In low speed wire electrical discharge machine platform in this utility model embodiment, whirler is mounted with workbench 14
Structure, micro tool matrix 13 to be processed is arranged on the precision drill chuck head 10 of rotating mechanism, and the rotating mechanism is with work
Make micro tool matrix 13 can be driven to rotate while platform 14 does feed motion in the horizontal direction, low-speed wire cutting line
The wire electrode 18 of cutting machine is moved downward in vertical direction simultaneously, positive pole of the micro tool matrix 13 as spark machined,
Negative pole of the wire electrode 18 as spark machined, so that low speed wire electrical discharge machine platform can be processed tying with revolving body
Structure or local have the micro tool of revolving structure, and the micro tool for processing is can be used to as the fine of spark machined
Tool-electrode, uses as fine cutter after being surface-treated to which also dependent on practical situation；Relative to electric spark grinding
For equipment, it is mounted with that the cost of the low speed wire electrical discharge machine platform of rotating mechanism is more cheap, and is mounted with rotating mechanism
Low speed wire electrical discharge machine platform can process various micro tools with complicated revolving structure；Relative to the high speed of transformation
For wire-moving cutting machine, it is mounted with that the low speed wire electrical discharge machine platform of rotating mechanism can process that diameter is less, surface
The higher micro tool of better quality, precision.Wherein, the main shaft room 7 of rotating mechanism is in gasket seal and the work of sealing ring 12
A cavity closed is formed with lower, therefore working solution cannot be introduced into the precision bearing 9 of 7 internal corrosion supports main shaft 8 of main shaft room,
The installation accuracy of main shaft 8 is ensure that, and then ensure that the machining accuracy to micro tool electrode.
Claims (10)
1. a kind of rotating mechanism for low-speed wire cutting linear cutter micro tool electrode, it is characterised in that the whirler
Structure includes：
Welding support (1), motor (2), connecting plate for electric motor (3), first gear (4), second gear (5), cog belt (6), main shaft
Room (7), main shaft (8), two precision bearings (9), precision drill chuck head (10), two bearing (ball) covers (11), sealing ring (12) and close
Gasket；
Welding support (1) includes welding door-plate (101) and welding base plate (102), welding door-plate (101) and welding base plate (102)
Vertically, weld door-plate (101) and be provided with the cell body (A) through welding door-plate (101) thickness；
On welding door-plate (101), connecting plate for electric motor (3) is provided with through hole (B), motor (2) to connecting plate for electric motor (3)
On connecting plate for electric motor (3) and the output shaft of motor (2) is connected through through hole (B) with first gear (4)；
Cog belt (6) is meshed with first gear (4) and second gear (5) respectively, and the diameter of first gear (4) is less than the second tooth
The diameter of wheel (5)；
On welding base plate (102), the two ends of main shaft (8) are respectively supported by a precision bearing (9) for main shaft room (7)
In the main shaft room (7), a bearing (ball) cover (11), each bearing (ball) cover (11) and master are respectively installed in the two ends of main shaft room (7)
A gasket seal is equipped between axle room (7), an axis hole (C), each axis hole (C) on each bearing (ball) cover (11), is equipped with
Inside it is provided with least two seals groove (C1), each seal groove (C1) and a sealing ring (12) is installed, one end of main shaft (8) is successively
Through cell body (A) and second gear (5) on the axis hole (C) on a bearing (ball) cover (11) and welding door-plate (101)
Connection, the other end are connected through the axis hole (C) on another bearing (ball) cover (11) with precision drill chuck head (10), the precision drill chuck
Head (10) is for installing micro tool matrix (13).
2. the rotating mechanism for low-speed wire cutting linear cutter micro tool electrode according to claim 1, its feature
It is that the welding support (1) also includes two block welding gussets (103), two block welding gussets (103) are vertically fixed on the weldering
The both sides of door-plate (101) are connect, and it is also vertical with welding base plate (102) per block welding gusset (103).
3. the rotating mechanism for low-speed wire cutting linear cutter micro tool electrode according to claim 1, its feature
It is that the connecting plate for electric motor (3) is that the two ends of one flat plate are formed to same direction bending, the connecting plate for electric motor (3)
Daughter board (31), second support are fixed including first support and fixes daughter board (32) and motor fixation daughter board (33)；
Motor is fixed daughter board (33) and is fixed between daughter board (31) and second support fixation daughter board (32) positioned at first support, and motor is solid
Stator plate (33) is provided with the through hole (B), and the motor (2) is fixed on daughter board (33) installed in motor and the motor (2)
Output shaft be connected through the through hole (B) with the first gear (4)；
First support fixes daughter board (31) and second support to be fixed and be equipped with strip hole on daughter board (32), by screw bolt passes
Strip hole and the welding door-plate (101) that first support is fixed on daughter board (31), and pass through screw bolt passes second
Strip hole and the welding door-plate (101) that frame is fixed on daughter board (32).
4. the rotating mechanism for low-speed wire cutting linear cutter micro tool electrode according to claim 1, its feature
It is that the main shaft room (7) includes base plate connecting plate (71) and the main shaft cavity (72) being located on base plate connecting plate (71), main shaft
Centre of the cavity (72) positioned at base plate connecting plate (71)；
Base plate connecting plate (71) is arranged on welding base plate (102) by bolt；
A spindle mounting hole (D), two bearing mounting holes (E) and two bearing (ball) cover installing holes are provided with main shaft cavity (72)
(F), the two ends of spindle mounting hole (D) are respectively connected with a bearing mounting hole (E), each bearing mounting hole (E) with an axle
Hold end cap installing hole (F) connection；
One precision bearing (9), each bearing (ball) cover installing hole (F) Nei Gean are respectively installed in each bearing mounting hole (E)
A bearing (ball) cover (11) is filled, the main shaft (8) is in the spindle mounting hole (D), and the two ends of the main shaft (8)
The axis hole (C) of a precision bearing (9) and a bearing (ball) cover (11) is sequentially passed through.
5. the rotating mechanism for low-speed wire cutting linear cutter micro tool electrode according to claim 1, its feature
It is that one end of the main shaft (8) is provided with flat key groove (81), flat key, one end of the main shaft (8) is installed in flat key groove (81)
It is connected with the second gear (5) by flat key.
6. according to claim 1 to 5 any one claim for low-speed wire cutting linear cutter micro tool electrode
Rotating mechanism, it is characterised in that one end of the main shaft (8) is provided with conduction brush link slot (82), for conduction brush (17)
It is connected.
7. according to claim 1 to 5 any one claim for low-speed wire cutting linear cutter micro tool electrode
Rotating mechanism, it is characterised in that the main shaft room (7), the main shaft (8) and the bearing (ball) cover (11) scribble corrosion-resistant
Underwater paint.
8. according to claim 1 to 5 any one claim for low-speed wire cutting linear cutter micro tool electrode
Rotating mechanism, it is characterised in that the material of the cog belt (6) be polyurethane.
9. a kind of low speed wire electrical discharge machine platform, it is characterised in that the board includes that any one of claim 1 to 8 right will
Seek described rotating mechanism；
The welding base plate (102) of the rotating mechanism is on the workbench (14) of the board, and energy and workbench (14)
Do feed motion together in the horizontal direction.
10. low speed wire electrical discharge machine platform according to claim 9, it is characterised in that the board also includes conduction brush
Pressure strip (15), Change-over frame (16) and conduction brush (17)；
Conduction brush (17) is welded on the conduction brush pressure strip (15) and conduction brush (17) is connected with the conduction brush of the main shaft (8)
Access slot (82) connects, and the conduction brush pressure strip (15) is welded and fixed together with one end of the Change-over frame (16), described turn
The other end for connecing frame (16) is fixed together with the connecting plate for electric motor (3) by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621081591.0U CN206065593U (en) | 2016-09-27 | 2016-09-27 | For the rotating mechanism and board of low-speed wire cutting linear cutter micro tool electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621081591.0U CN206065593U (en) | 2016-09-27 | 2016-09-27 | For the rotating mechanism and board of low-speed wire cutting linear cutter micro tool electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206065593U true CN206065593U (en) | 2017-04-05 |
Family
ID=58440810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621081591.0U Withdrawn - After Issue CN206065593U (en) | 2016-09-27 | 2016-09-27 | For the rotating mechanism and board of low-speed wire cutting linear cutter micro tool electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206065593U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106238842A (en) * | 2016-09-27 | 2016-12-21 | 东北大学 | Rotating mechanism and board for low-speed wire cutting linear cutter micro tool electrode |
-
2016
- 2016-09-27 CN CN201621081591.0U patent/CN206065593U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106238842A (en) * | 2016-09-27 | 2016-12-21 | 东北大学 | Rotating mechanism and board for low-speed wire cutting linear cutter micro tool electrode |
| CN106238842B (en) * | 2016-09-27 | 2019-02-05 | 东北大学 | Rotating mechanism and board for low-speed wire cutting linear cutter micro tool electrode |
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Granted publication date: 20170405 Effective date of abandoning: 20190205 |
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