CN208811242U - A kind of machinery milling and electric spark combined cut device - Google Patents
A kind of machinery milling and electric spark combined cut device Download PDFInfo
- Publication number
- CN208811242U CN208811242U CN201821565207.3U CN201821565207U CN208811242U CN 208811242 U CN208811242 U CN 208811242U CN 201821565207 U CN201821565207 U CN 201821565207U CN 208811242 U CN208811242 U CN 208811242U
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- workbench
- cutter
- ing
- end mill
- workpiece
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- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The utility model discloses a kind of mechanical milling and electric spark combined cut devices, including workbench；Control unit passes through conducting wire respectively and is electrically connected with workbench, power supply unit；Power supply unit is electrically connected by conducting wire with workbench；Fuse is provided in workbench；Fixed station is provided on workbench；Main shaft is vertically arranged in the middle part of fixed station；The lower end of main shaft is provided with the end mill(ing) cutter for cutting workpiece；The bottom both ends of end mill(ing) cutter are bent in the same direction；The surface of end mill(ing) cutter curved end is provided with multiple cutting portions contacted in end mill(ing) cutter rotary course with workpiece；Clearance controller, comparator are set side by side in control unit；One end of clearance controller is connected by capacitance displacement sensor with workbench, the other end is connected by comparator with main shaft.The utility model not only substantially increases cutting speed, but also reduce the high surface roughness of existing spark machined mode, while enhancing processing effect using mixing machining.
Description
Technical field
The utility model relates to a kind of combined cut devices more particularly to a kind of mechanical milling and electric spark combined cut to fill
It sets.
Background technique
Milling is a kind of most common machine cut method of processing cavity, profile and plane, and electric spark is most widely used
Special process method.Electric spark milling is to replace milling cutter with the tool-electrode of electric spark, and electrode rotary recycles milling machine
Part is processed in feed system feed.Certain interval is kept between tool-electrode and part, and working solution is sprayed into gap, part material
Removal be entirely to be removed by electric spark heat etching, acted on without any mechanical milling.When processing three dimensional type chamber, simple electricity can be used
Pole, by numerical control feeding system (multi-shaft interlocked) feed of milling machine, instead of complicated electrospark electrode (only doing axial feed), from
And cost is reduced, the rotation of certain tool-electrode and the relative feed movement between workpiece are also beneficial to electric spark chip removal,
So it is entirely the processing mechanism of electric spark.Such methods or the intrinsic defect of unavoidable electrical discharge machining, for example,
Processing efficiency is low, influence of the tool electrode loss to machining accuracy etc..
There are a large amount of difficult-to-machine materials in manufacturing field, especially in the case where dry milling and hard milling, if adopted
With conventional milling, the common hard alloy cutter either country CBN (cubic boron nitride) cutter is worn even if gnawing dynamic
Very big, Milling Process rear surface roughness is higher, reduces the reliability of processing result.And electrical discharge machining is removed by heat etching,
It is not afraid of that material is hard, intensity is high, will not generate cutting force, be very suitable to process these difficult-to-machine materials.But electrical spark working
The shortcomings that work also has it, on the one hand, processed relative to machine cut, its process velocity is very slow, and efficiency is very low, another party
Face, because it is to form the hot ablation metal of high temperature by electric discharge, surface machined by EDM can all have one layer of heat affected layer, this
Heat affected layer is easy to peel off under the action of fatigue load.In addition the loss of edm tool motor, there is very machining accuracy
It is big to influence, and the loss of tool motor is inevitable.
Utility model content
In order to solve shortcoming present in above-mentioned technology, the utility model provides a kind of mechanical milling and electric spark
Combined cut device.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of machinery milling and electric spark
Combined cut device, including workbench, control unit, power supply unit；Control unit passes through conducting wire and workbench, power supply list respectively
Member electrical connection；Power supply unit is electrically connected by conducting wire with workbench；
Fuse is provided in workbench；Fixed station is provided on workbench；Main shaft is vertically arranged in the middle part of fixed station；
The lower end of main shaft is provided with the end mill(ing) cutter for cutting workpiece；
The bottom both ends of end mill(ing) cutter are bent in the same direction；The surface of end mill(ing) cutter curved end is provided with multiple in end mill
The cutting portion contacted in knife rotary course with workpiece；Cutting portion outwardly protrudes；Groove is provided between the cutting portion of protrusion；
Clearance controller, comparator are set side by side in control unit；One end of clearance controller is passed by capacitive displacement
Sensor is connected with workbench, the other end is connected by comparator with main shaft.
Comparator is electrically connected with power supply unit.
Capacitance displacement sensor is electrically connected with workbench, clearance controller respectively.
Capacitor is provided in power supply unit.
Workpiece is provided in the middle part of fixed station；Workpiece setting is in the lower end of end mill(ing) cutter.
The material of end mill(ing) cutter is hard alloy or high-speed steel or diamond.
The utility model not only substantially increases cutting speed, but also reduce existing electrical fire using mixing machining
The high surface roughness of flower processing method, it is horizontal to allow to be reduced to mechanical Milling Process, while enhancing processing effect, has
There is wide applicability.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Working state schematic representation of the Fig. 2 between end mill(ing) cutter and workpiece.
In figure: 1, workbench；2, fixed station；3, workpiece；4, capacitance displacement sensor；5, power supply unit；6, control unit；
7, main shaft；8, end mill(ing) cutter；9, clearance controller；10, comparator.
Specific embodiment
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
A kind of mechanical milling as shown in Figure 1 and Figure 2 and electric spark combined cut device, including workbench 1, control unit
6, power supply unit 5；Control unit 6 is electrically connected by conducting wire with workbench 1, power supply unit 5 respectively；Power supply unit 5 passes through conducting wire
It is electrically connected with workbench 1；It is provided with capacitor in power supply unit 5, provide power supply for the work of end mill(ing) cutter 8 and generates electric discharge.Control
Unit 6 controls the gap between end mill(ing) cutter 8 and workpiece 3, while controlling power supply supply.Spark discharge processing is in 3 He of workpiece
It is carried out between power supply unit 5.The gap between end mill(ing) cutter 8 and workpiece 3 is controlled by control unit 6.According to workpiece 3
Material it is different, workpiece 3 is connected to positive electrode or negative electrode in power supply connection, then end mill(ing) cutter 8 is connected to the another of power supply
Electrode.
Fuse is provided in workbench 1；Fixed station 2 is provided on workbench 1；The middle part of fixed station 2 is vertically arranged with
Main shaft 7；The lower end of main shaft 7 is provided with the end mill(ing) cutter 8 for cutting workpiece 3；The material of end mill(ing) cutter 8 is hard alloy or high-speed steel
Or diamond.The surface of end mill(ing) cutter 8 is coated with tungsten carbide.Tungsten carbide has preferable heat resistance, resistance in electrical discharge machining
Long property.End mill(ing) cutter 8 is for cutting and workpieces processing 3.The middle part of fixed station 2 is provided with workpiece 3；Workpiece 3 is set to end mill(ing) cutter 8
Lower end.Workpiece 3 is fixed on fixed station 2.
The bottom both ends of end mill(ing) cutter 8 are bent in the same direction；The surface of 8 curved end of end mill(ing) cutter is provided with multiple holding
The cutting portion contacted in 8 rotary course of milling cutter with workpiece 3；Cutting portion outwardly protrudes；It is provided between the cutting portion of protrusion
Groove；The bottom surface of end mill(ing) cutter 8 and side form working position, can be with the plane of workpieces processing 3 and side.Multiple cutting portions are being held
It is contacted in the rotary course of milling cutter 8 with workpiece 3, and time interval is constant.Peripheral blade is provided on cutting portion, end mill(ing) cutter 8
End makes rotating motion, peripheral blade cutting processing workpiece 3.End mill(ing) cutter 8 provides working power by power supply unit 5, carries out mechanical
Machining.
Mechanical Milling Process and electrical discharge machining are carried out to workpiece 3 in the cutting portion and groove bottom surface of end mill(ing) cutter 8.Electrical fire
Flower processing is carried out on the cutting surfaces and cutting portion bottom surface of workpiece 3.In the cutting zone of workpiece 3, electric spark
Processing forms molten state to a certain extent, substantially increases cutting speed and cutting surfaces, and make electrical discharge machining
Surface roughness afterwards reduces, and improves processing performance.
Clearance controller 9, comparator 10 are set side by side in control unit 6；One end of clearance controller 9 passes through capacitor position
Displacement sensor 4 is connected with workbench 1, the other end is connected by comparator 10 with main shaft 7.Capacitance displacement sensor 4 is distinguished
It is electrically connected with workbench 1, clearance controller 9.Comparator 10 is electrically connected with power supply unit 5.Clearance controller 9 is by calculating end mill
A translation distance between knife 8 or workpiece 3 is passed it by the comparator 10 in control unit 6 to detect discharging gap
Power supply unit 5 is given, which is the circuit for being compared the voltage difference between capacitor C and R3.It is controlled in gap
The gap generated between cutting part is analyzed in device 9, while whether will form discharge voltage in capacitor C, and this electric discharge
Voltage will detect in the positive offset of comparator 10.It is detected between the voltage and R3 of this discharge voltage in a comparator 10
Voltage difference, and gap appropriate is formed by detection limit.
Gap between the control unit 6 sensed and workbench 1 is passed through clearance controller 9 by capacitance displacement sensor 4
Pass to power supply unit 5, the movement of the adjustment control main shaft 7 of power supply unit 5.Between controlling between end mill(ing) cutter 8 and workpiece 3
Gap, control unit 6 control power supply unit 5, pass to power supply by the voltage difference that comparator 10 and clearance controller 9 will test
Unit 5.Power supply unit 5 carries out electrical discharge machining to workpiece 3.The motion control of main shaft 7 or workpiece 3 is carried out according to cutting,
The movement velocity of workbench 1 is controlled according to the voltage of capacitor or applied voltage.Milling is a kind of interrupted processing method, end mill
The cutting portion and workpiece 3 of knife 8 are a kind of instant contacts, realize electrical discharge machining using this principle.
The working process of the utility model is as follows: the first step, workpiece 3 are placed on the fixed station 2 on 1 top of workbench；Second
Step, main shaft 7 is connect with end mill(ing) cutter 8, and end mill(ing) cutter 8 includes multiple cutting portions of protrusion, and is formed between multiple cutting portions
Bottom portion of groove surface, main shaft 7 is installed on fixed station 2 by end mill(ing) cutter 8 in 3 upside axial bending of workpiece；Third step will be led
Axis 7 and power supply unit 5 are connected, and workpiece 3 is connected with the positive or negative pole of control unit；4th step, end mill(ing) cutter 8 and workpiece 3
Contact, end mill(ing) cutter 8 rotate, and workpiece 3 is cut portion's machine cuts.
The utility model dexterously merges electrical discharge machining with mechanical Milling Process, and positive or negative pole is answered respectively
For in the workpiece of process, the bottom surface between multiple cutting portions and multiple cutting portions carry out mechanical Milling Process and
Electrical discharge machining not only solves the slow problem of electric spark, eliminates the heat affected layer of electric spark, and reduces the table of workpiece
Surface roughness, while the burden of end mill(ing) cutter is alleviated, machining accuracy is enhanced, can be widely applied to each lathe milling mechanism.
Above embodiment is not limitations of the present invention, and the utility model is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made within the scope of the technical solution of the utility model,
Also the protection scope of the utility model is belonged to.
Claims (6)
1. a kind of machinery milling and electric spark combined cut device, it is characterised in that: including workbench (1), control unit (6),
Power supply unit (5)；Described control unit (6) is electrically connected by conducting wire with workbench (1), power supply unit (5) respectively；The power supply
Unit (5) is electrically connected by conducting wire with workbench (1)；
Fuse is provided in the workbench (1)；Fixed station (2) are provided on workbench (1)；In the fixed station (2)
Portion is vertically arranged with main shaft (7)；The lower end of the main shaft (7) is provided with the end mill(ing) cutter (8) for cutting workpiece (3)；
The bottom both ends of the end mill(ing) cutter (8) are bent in the same direction；The surface of end mill(ing) cutter (8) curved end is provided with multiple
The cutting portion contacted in end mill(ing) cutter (8) rotary course with workpiece (3)；The cutting portion outwardly protrudes；The cutting portion of protrusion
Between be provided with groove；
Clearance controller (9), comparator (10) are set side by side in described control unit (6)；The one of the clearance controller (9)
End is connected by capacitance displacement sensor (4) with workbench (1), the other end is connected by comparator (10) with main shaft (7).
2. machinery milling according to claim 1 and electric spark combined cut device, it is characterised in that: the comparator
(10) it is electrically connected with power supply unit (5).
3. machinery milling according to claim 2 and electric spark combined cut device, it is characterised in that: the capacitive displacement
Sensor (4) is electrically connected with workbench (1), clearance controller (9) respectively.
4. machinery milling according to claim 3 and electric spark combined cut device, it is characterised in that: the power supply unit
(5) capacitor is provided in.
5. machinery milling according to claim 4 and electric spark combined cut device, it is characterised in that: the fixed station
(2) workpiece (3) are provided in the middle part of；The workpiece (3) is set to the lower end of end mill(ing) cutter (8).
6. machinery milling according to any one of claims 1 to 5 and electric spark combined cut device, it is characterised in that:
The material of the end mill(ing) cutter (8) is hard alloy or high-speed steel or diamond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821565207.3U CN208811242U (en) | 2018-09-25 | 2018-09-25 | A kind of machinery milling and electric spark combined cut device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821565207.3U CN208811242U (en) | 2018-09-25 | 2018-09-25 | A kind of machinery milling and electric spark combined cut device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208811242U true CN208811242U (en) | 2019-05-03 |
Family
ID=66278222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821565207.3U Expired - Fee Related CN208811242U (en) | 2018-09-25 | 2018-09-25 | A kind of machinery milling and electric spark combined cut device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208811242U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114406372A (en) * | 2022-01-20 | 2022-04-29 | 北京科技大学 | Self-discharge auxiliary machining device and method for weak conductive material and application of self-discharge auxiliary machining device |
-
2018
- 2018-09-25 CN CN201821565207.3U patent/CN208811242U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114406372A (en) * | 2022-01-20 | 2022-04-29 | 北京科技大学 | Self-discharge auxiliary machining device and method for weak conductive material and application of self-discharge auxiliary machining device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190503 Termination date: 20200925 |
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| CF01 | Termination of patent right due to non-payment of annual fee |