CN206464658U - The mariages cylinder reciprocal movement wire system of variable-ratio and wire cutting machine tool - Google Patents
The mariages cylinder reciprocal movement wire system of variable-ratio and wire cutting machine tool Download PDFInfo
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- CN206464658U CN206464658U CN201720118123.4U CN201720118123U CN206464658U CN 206464658 U CN206464658 U CN 206464658U CN 201720118123 U CN201720118123 U CN 201720118123U CN 206464658 U CN206464658 U CN 206464658U
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Abstract
The utility model is related to a kind of mariages cylinder reciprocal movement wire system of variable-ratio and wire cutting machine tool, including positive wire cylinder and reverse wire cylinder, positive wire cylinder and reverse wire cylinder are used to draw a wire electrode with a speed change winding motor drive connection, positive wire cylinder and reverse wire cylinder respectively.The mariages cylinder reciprocal movement wire system of variable-ratio can eliminate the surface quality that commutation striped improves linear cutter.
Description
Technical field
The utility model belongs to Electric Discharge Wire-cutting Technology field, more particularly to a kind of mariages cylinder reciprocal wire transporting of variable-ratio
System and the wire cutting machine tool for being provided with said system.
Background technology
Electrical discharge machining is processed using pulse spark electric discharge removal machined material, and machined electrode is with being processed
Because there is liquid dielectric not in contact with so hard and crisp metal of available softer electrode (instrument) processing etc. is led between material
Body and semi-conducting material.It is the most extensive with mobile line electrode cutting processing in electrical discharge machining.Line electrode, which is cut with, unidirectionally to be walked
Silk (slow wire feeding) and the big type of to-and-fro thread (fast wire winding) two, wherein to-and-fro thread wire cutting is having had for China's independent development capability
The electromechanical integration technology of full intellectual property, peculiar by China, its advantage is that equipment manufacturing cost is cheap, molybdenum alloy line electrode (molybdenum
Silk) repeatedly can discharge repeatedly uses.Be particularly suitable for being machined be difficult to competent high rigidity, high intensity, high-melting-point, high tenacity,
Brittle materials are (such as：Tungsten-molybdenum alloy, memorial alloy, magnesium alloy, hard alloy, polycrystalline diamond, neodymium iron boron etc.) processing, extensively
It is general manufacture applied to mould, space flight and aviation, medicine equipment, instrument and meter, electronic apparatus, the precision in each field such as machine-building or
Processing, the manufacture of special-shaped parts.
The wire electrode of current existing to-and-fro thread (fast wire winding) wire cutting machine tool is wound on a monofilament barrel, processed
Silk cylinder forward and backward commutates repeatedly in journey transports line electrode to electro-discharge machining area.Monofilament barrel wire transporting limits the length (one of wire electrode
As only 200~300 meters) cause 20 seconds or so just commutation, frequently commutation form electro-discharge machining commutation striped, the precision of processing
Much it is worse than unidirectional wire (slow wire feeding) wire cutting.
The content of the invention
The utility model is overcomes technical problem present in prior art to provide mariages cylinder variable-ratio reciprocal wire transporting system
System, the mariages cylinder reciprocal movement wire system of variable-ratio can eliminate the surface quality that commutation striped improves linear cutter.
A kind of mariages cylinder reciprocal movement wire system of variable-ratio, positive wire cylinder and reverse wire cylinder, the positive wire cylinder and
The reverse wire cylinder is used with a speed change winding motor drive connection, the positive wire cylinder and the reverse wire cylinder respectively
In a piece wire electrode of traction.
By be utilized respectively positive wire pattern and reverse wire pattern to wire electrode carry out two to traction, each
On wire cylinder, while the region for receiving or discharging wire electrode at one is only existed, can be with multi-lay winding wire electrode without sleave, institute
Can significantly increase the quantity of the wire electrode stored on wire cylinder.Single cutting key element is carried out continuously so as to realize
Unidirectional wire cutting, continuously unidirectional wire cutting is carried out when being cut to another cutting key element using another wire direction.
So as to realize and not commutated when single key element is cut, to eliminate the surface quality that commutation striped improves processing.
It is preferred that technical scheme, its supplementary features is：Speed change winding motor is servomotor.
Servo motor transmission is accurate, can be useful in electrode wire layer around, coil diameter change when, so as to ensure electrode
The wire travelling speed of silk is stable, improves machining accuracy.
Further preferred technical scheme, its supplementary features are：It is provided with and leads between positive wire cylinder and reversely wire cylinder
Silk wheel, the setting of godet roller and the setting of two silk cylinder positions cause the wire electrode between two silk cylinders to be in same plane
It is interior.
By the way that godet roller is set in the same plane, the torsion of the wire electrode during the reduction wire that can try one's best, with
Reduce mechanical oscillation, delay the fatigue failure of wire electrode.
It is preferred that technical scheme, its supplementary features is：Positive wire cylinder is rotatably installed on the first planker, the first planker
On speed change winding motor be connected with positive wire cylinder is installed, reverse wire tin is rotatably installed on the second planker, and second drags
The speed change winding motor being connected with reverse wire cylinder is also installed, the first planker and the second planker are respectively dragged with respective on plate
Plate drive device is connected.
Because the instant coil diameter of each wire cylinder is different, so the rotating speed of the speed change winding motor of two wire cylinders is different,
So the planker of each installation wire cylinder is operated alone, the wire vent point of the cylinder of the wire on each planker can be caused and enter silk point essence
True matches with the operation plane of wire electrode, so that the length and tension stability of wire electrode are ensure that, in favor of improving processing
Precision.
Further preferred technical scheme, its supplementary features are：First planker and the second planker pass through ball wire respectively
Thick stick mechanism is connected with planker motor.
Ball screw framework high transmission accuracy, can be accurately controlled the axial location of planker movement, advantageously reduce electricity
Length change of the polar filament during wire.
Technical scheme still further preferably, its supplementary features are：Planker motor is servomotor.
Servo motor transmission is accurate, can be accurately controlled the axial location of planker movement, advantageously reduce wire electrode and exist
Length change during wire.
It is preferred that technical scheme, its supplementary features is：In positive wire cylinder and reverse wire cylinder, one of them is used for perseverance
Moment of torsion puts silk, and other in which is used for permanent rotating speed and receives silk.
Silk is received by permanent rotating speed, can be with the speed of service of stabilized electrodes silk, and silk is put by permanent torque, it can be carried to receive silk
For a relatively stable loading moment, so as to ensure that the stabilization of wire electrode tension.
It is preferred that technical scheme, its supplementary features is：Positive wire cylinder and the upper accurate layer of reverse wire cylinder are wound with electricity
Polar filament.
Accurate layer by way of, it is possible to use rolling wire electrode or the wire electrode that not yet unreels ensure to receive
The reliable of the instant coil diameter of silk point is put or put to silk, puts silk so as to ensure that and receives the accurate reliable of silk speed.
A kind of wire cutting machine tool, is provided with any of the above-described mariages cylinder reciprocal movement wire system of variable-ratio.
The wire cutting machine tool, it may have the technique effect of the corresponding mariages cylinder reciprocal movement wire system of variable-ratio.
Brief description of the drawings
Fig. 1 is the structural representation of the mariages cylinder reciprocal movement wire system of variable-ratio of the utility model embodiment 1.
Embodiment
For invention, features and effects of the present utility model can be further appreciated that, following examples are hereby enumerated, and in detail
It is described as follows：
Embodiment 1：
Fig. 1 is the structural representation of the mariages cylinder reciprocal movement wire system of variable-ratio of the utility model embodiment 1.In figure, respectively
The implication that individual reference is represented is as follows；1st, positive wire cylinder；2nd, speed change winding motor；3rd, the first planker；4th, reverse wire cylinder；
5th, the second planker；6th, wire electrode；7th, the first guide wheel；8th, the second guide wheel；9th, the 3rd guide wheel；10th, four guide idler；11st, workpiece；12、
Base.
A kind of mariages cylinder reciprocal movement wire system of variable-ratio, including positive wire cylinder 1 and reverse wire cylinder 4, positive wire cylinder 1
It is used to draw with a drive connection of speed change winding motor 2, positive wire cylinder 1 and reverse wire cylinder 4 respectively with reverse wire cylinder 4
A piece wire electrode 6.
By be utilized respectively positive wire cylinder 1 and reverse wire 4 pairs of wire electrodes 6 of cylinder carry out two to traction, each
Wire cylinder on, while only exist at one receive or discharge wire electrode 6 region, can with multi-lay winding wire electrode 6 without sleave,
So can significantly increase the quantity of the wire electrode 6 stored on wire cylinder.So as to realize the company to single cutting key element
It is continuous to be cut using same wire electrode 6, cut when being cut to another cutting key element using another wire direction
Cut.
It is preferred that, speed change winding motor 2 is servomotor.
Servo motor transmission is accurate, can be useful in 6 layers of wire electrode around, coil diameter change when, so as to ensure electricity
The wire travelling speed of polar filament 6 is stable, improves machining accuracy.
It is preferred that, it is provided with godet roller between positive wire cylinder 1 and reversely wire cylinder 4.
, can be with the position and direction of the turnover cutting zone of stabilized electrodes silk 6, with during reducing wire by godet roller
Department of electrical engineering shake, so as to improve machining accuracy.
It is further preferred that the setting of godet roller and positive wire cylinder 1, the setting of reverse wire cylinder 4 to be located at forward direction
Wire electrode 6 between wire cylinder 1 and reversely wire cylinder 4 is in same plane.Particularly, 4 godet rollers can be set, its
In the first godet roller be arranged on the putting at a position of positive wire cylinder 1, during the second godet roller and the 3rd godet roller can be to scheme
Vertical direction is set, and the 4th godet roller can be arranged at the receipts silk position of reverse wire cylinder 4.4 godet rollers are located at same flat
In face.
By the way that godet roller is set in the same plane, the torsion of the wire electrode 6 during the reduction wire that can try one's best, with
Extend the service life of wire electrode 6.
It is preferred that, positive wire cylinder 1 is rotatably installed on the first planker 3, is provided with the first planker 3 and positive wire cylinder
The speed change winding motor 2 of 1 connection, reverse wire cylinder 4 is rotatably installed on the second planker 5, be also provided with the second planker 5 with instead
To the speed change winding motor 2 of the connection of wire cylinder 4, the first planker 3 and the second planker 5 are respectively passed with respective planker drive device
Dynamic connection, and be connected to by line slideway on base 12.
Because the instant coil diameter of each wire cylinder is different, so the rotating speed of the speed change winding motor 2 of two wire cylinders is different,
So the planker of each installation wire cylinder is operated alone, the wire vent point of the cylinder of the wire on each planker can be caused and enter silk point essence
True matches with the operation plane of wire electrode 6, so that the length of wire electrode 6 and the stability of tightness are ensure that, in favor of
Improve machining accuracy.
It is further preferred that the first planker 3 and the second planker 5 are connected by ball screw framework and planker motor respectively
Connect.
Ball screw framework high transmission accuracy, can be accurately controlled the axial location of planker movement, advantageously reduce electricity
Length change of the polar filament 6 during wire.
Still further preferably, planker motor is servomotor.
Servo motor transmission is accurate, can be accurately controlled the axial location of planker movement, advantageously reduce wire electrode 6 and exist
Length change during wire.
It is preferred that, in positive wire cylinder 1 and reverse wire cylinder 4, one of them is used for permanent moment of torsion and puts silk, and other in which is used
Silk is received in permanent rotating speed.
Silk is received by permanent rotating speed, can be with the speed of service of stabilized electrodes silk 6, and silk is put by permanent torque, can be receipts silk
A relatively stable loading moment is provided, so as to ensure that the stabilization for receiving silk speed.
It is preferred that, accurate layer is wound with wire electrode 6 on positive wire cylinder 1 and reverse wire cylinder 4.It should be noted that " essence
Close layer around " in " precision " two word, the adjective of common " height " " short " " thin " " thickness " should not be done to understand, accurate layer is around referring to
Be, in the band or wire rod on wheel or cylinder, on same layer height, closely to arrange, so more outside one layer
Wire rod and band can consider and be wound around on the band of internal layer or wire rod.It will not be produced between each layer band or wire rod mixed
Random situation.So the expression is clear.
Accurate layer by way of, it is possible to use rolling wire electrode 6 or the wire electrode 6 that not yet unreels ensure
Receive silk point or put the reliable of the instant coil diameter of silk point, put silk so as to ensure that and receive the accurate reliable of silk speed.
Application examples 1：
Using the present embodiment, cutting Cr12 mould steel, thickness of workpiece 40mm, electrode uses the molybdenum filament of 0.18 mm dia,
Positive wire travelling speed 1m/s, reverse wire travelling speed 1m/s, 10 × 10mm of cutting processing four directions cylinder.Surface roughness is Ra：
0.008~0.009mm, finished surface has reached that " middle wire " lathe is cut without commutation striped, the surface quality of a cutting processing
One repaiies two, and the effect repaiied is cut in three repetitions.
Application examples 2：
Using the present embodiment, cutting Cr12 mould steel, thickness of workpiece 60mm, electrode uses the molybdenum filament of 0.18 mm dia,
Positive wire travelling speed 4m/s, reverse wire travelling speed 4m/s, 10 × 10mm of cutting processing cubic cylinder.Finished surface is without commutation bar
Line, the surface quality of a cutting processing has reached that " middle wire " lathe cuts one and repaiies one, and the effect repaiied is cut in secondary repetition.
Application examples 3：
Using the present embodiment, cutting Cr12 mould steel, thickness of workpiece 60mm, electrode uses the molybdenum filament of 0.18 mm dia,
Positive wire travelling speed 11m/s, reverse wire travelling speed 11m/s, 10 × 10mm of cutting processing cubic cylinder.Finished surface is without commutation
Striped, surface roughness can reach that Ra values are 0.9 μm, the existing to-and-fro thread of ratio of precision (fast wire winding) of a cutting processing
The high grade of wire cutting.
Embodiment 2：
A kind of wire cutting machine tool, is provided with any of the above-described mariages cylinder reciprocal movement wire system of variable-ratio.
The wire cutting machine tool, it may have the technique effect of the corresponding mariages cylinder reciprocal movement wire system of variable-ratio.
Although preferred embodiment of the present utility model is described above in conjunction with accompanying drawing, the utility model is not
Above-mentioned embodiment is confined to, above-mentioned embodiment is only schematical, is not restricted, ability
The those of ordinary skill in domain is not departing from the utility model objective and claimed under enlightenment of the present utility model
Under ambit, many forms can also be made, for example：1. planker can also be driven without the mode of motor+ball-screw,
Rectilinear movement of the planker on base can be driven by the way of linear electric motors.These belong to protection of the present utility model
Within the scope of.
Claims (9)
1. a kind of mariages cylinder reciprocal movement wire system of variable-ratio, it is characterised in that：Including：
Positive wire cylinder and reverse wire cylinder, the positive wire cylinder and the reverse wire cylinder are electric with a speed change winding respectively
Machine drive connection, the positive wire cylinder and the reverse wire cylinder are used to draw a wire electrode.
2. the mariages cylinder reciprocal movement wire system of variable-ratio according to claim 1, it is characterised in that：The speed change winding motor
For servomotor.
3. the mariages cylinder reciprocal movement wire system of variable-ratio according to claim 2, it is characterised in that：The positive wire cylinder and
Godet roller, the setting of the godet roller and the positive wire cylinder, the reverse wire cylinder are provided between the reverse wire cylinder
Setting the wire electrode between the positive wire cylinder and the reverse wire cylinder is in same plane.
4. the mariages cylinder reciprocal movement wire system of variable-ratio according to claim 1, it is characterised in that：The positive wire cylinder turns
It is dynamic to be arranged on the first planker, the speed change being connected with the positive wire cylinder is also installed on first planker and winds electricity
Machine, the reverse wire cylinder is rotatably installed on the second planker, is also provided with second planker and the reverse wire cylinder
The speed change winding motor of connection, first planker and second planker are respectively passed with respective planker drive device
Dynamic connection.
5. the mariages cylinder reciprocal movement wire system of variable-ratio according to claim 4, it is characterised in that：First planker and institute
The second planker is stated to be connected with planker motor by ball screw framework respectively.
6. the mariages cylinder reciprocal movement wire system of variable-ratio according to claim 5, it is characterised in that：The planker motor
For servomotor.
7. the mariages cylinder reciprocal movement wire system of variable-ratio according to claim 1, it is characterised in that：
In the positive wire cylinder and the reverse wire cylinder, one of them is used for permanent rotating speed and receives silk, and other in which is used for perseverance
Moment of torsion puts silk.
8. the mariages cylinder reciprocal movement wire system of variable-ratio according to claim 1, it is characterised in that：The positive wire cylinder and
The upper accurate layer of reverse wire cylinder is wound with wire electrode.
9. a kind of wire cutting machine tool, it is characterised in that：The mariages cylinder variable-ratio being provided with any one of claim 1-8 is past
Multiple movement wire system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201720118123.4U CN206464658U (en) | 2017-02-08 | 2017-02-08 | The mariages cylinder reciprocal movement wire system of variable-ratio and wire cutting machine tool |
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| CN201720118123.4U CN206464658U (en) | 2017-02-08 | 2017-02-08 | The mariages cylinder reciprocal movement wire system of variable-ratio and wire cutting machine tool |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107570824A (en) * | 2017-09-22 | 2018-01-12 | 北京东兴润滑剂有限公司 | The unidirectional wire electric spark wire cutting method of double and system |
| WO2018145549A1 (en) * | 2017-02-08 | 2018-08-16 | 何赐文 | Bidirectional and unidirectional spark-erosion wire cutting method |
| CN109926673A (en) * | 2018-05-04 | 2019-06-25 | 施光辉 | A kind of novel numerical control wire cutting spark machine wire transporting device |
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2017
- 2017-02-08 CN CN201720118123.4U patent/CN206464658U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018145549A1 (en) * | 2017-02-08 | 2018-08-16 | 何赐文 | Bidirectional and unidirectional spark-erosion wire cutting method |
| CN107570824A (en) * | 2017-09-22 | 2018-01-12 | 北京东兴润滑剂有限公司 | The unidirectional wire electric spark wire cutting method of double and system |
| CN107570824B (en) * | 2017-09-22 | 2019-09-20 | 北京东兴润滑剂有限公司 | The unidirectional wire electric spark wire cutting method of double-station and system |
| CN109926673A (en) * | 2018-05-04 | 2019-06-25 | 施光辉 | A kind of novel numerical control wire cutting spark machine wire transporting device |
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