CN100441351C - Guide wheel charging device of electric spark wire cutting machine tool - Google Patents
Guide wheel charging device of electric spark wire cutting machine tool Download PDFInfo
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- CN100441351C CN100441351C CNB2006100501068A CN200610050106A CN100441351C CN 100441351 C CN100441351 C CN 100441351C CN B2006100501068 A CNB2006100501068 A CN B2006100501068A CN 200610050106 A CN200610050106 A CN 200610050106A CN 100441351 C CN100441351 C CN 100441351C
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- guide wheel
- electric
- power feeding
- machine tool
- cutting machine
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- 238000010892 electric spark Methods 0.000 title claims abstract description 19
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 3
- 230000003068 static effect Effects 0.000 abstract 4
- 238000003754 machining Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The present invention relates to a power feeding device of a guide wheel of an electric spark linear cutting machine tool device. The present invention is composed of a bracket, a power feeding guide wheel and a power feeding terminal, wherein the power feeding terminal is composed of a terminal main body, a spring and a static power feeding body. The spring is limited in a cavity of the terminal main body; one end of the spring is connected with the static power feeding body which is in contact with a shaft of the power feeding guide wheel. The power feeding guide wheel and the power feeding terminal main body are arranged on the bracket; the guide wheel is formed by butting sheets. The present invention has the advantages that because a static power feeding body and a moving power feeding body of the power feeding device adopt elastic sliding contact and use the power feeding guide wheel with large diameter, the relative speed of the friction movement of the static power feeding body and the moving power feeding body is reduced so as to reduce friction loss and heat productivity and prolong the service life of the power feeding device, the contact quality of an electrode wire and the power feeding guide wheel is guaranteed to increase the machining precision of the linear cutting machine tool, and the stability of the desired discharge current is guaranteed when the machine tool carries out cutting and processing.
Description
Technical field
The present invention relates to a kind of guide wheel electricity-supply device of electric spark linear cutting machine device.
Background technology
Electric spark linear cutting machine is in process, and electricity-supply device advances the discharge condition that electric stability is having a strong impact on wire electrode, and the discharge condition of wire electrode is having a strong impact on lathe cutting processing performance.Generally in the existing electricity-supply device adopt the asynchronous electric mode (as Fig. 1) of advancing, electricity-supplying piece 6 contacts with wire electrode 4 at a place in fortune the Silk Road footpath, and external power source 8 is received electricity-supplying piece 6 places, is delivered on the wire electrode 4 power supply polar filament 4 cutting usefulness then by electricity-supplying piece 6.When the lathe cutting processing was advanced electricity, wire electrode and electricity-supplying piece had a relative motion.Employing is also arranged with stepping electricity mode (as Fig. 2,3) in the existing electricity-supply device, external power source 8 is guided to silk tube 7 (or guide wheels 9) and is located, and is delivered on the wire electrode 4 by silk tube 7 (or guide wheels 9) then.When the lathe cutting processing was advanced electricity, wire electrode 4 did not have relative motion with silk tube 7 (or guide wheels 9).
As shown in Figure 1, in the asynchronous system electricity-supply device,, can cause the wearing and tearing of wire electrode and electricity-supplying piece between wire electrode and electricity-supplying piece because the relative motion of a speed up to 10m/S arranged; Because the wire electrode deformation angle that is pressed in above the electricity-supplying piece is less, causes the active force between wire electrode and the electricity-supplying piece less, thus make electricity-supplying piece to the binding force of wire electrode a little less than.The entire electrode silk can be regarded as to be made up of numerous segment wire electrode.Because the uneven and vibration that is had of segment electrode silk itself, add that electricity-supplying piece is to its more weak binding force, in its formed contact of the moment of process above electricity-supplying piece may be non-adequacy contact or noncontact, thereby affects the stability that wire electrode advances electricity.Especially the material (such as aluminium) relatively poor for the electric conductivity of some easy oxidations and its oxide, that hardness is higher, the some shortcomings part of such electricity-supply device exposes more obviously.When the cutting processing aluminium, pure aluminum is oxidized in discharge process, its oxide partly sticks on the wire electrode, when the segment electrode silk that has aluminium oxide above electricity-supplying piece through out-of-date, except above-mentioned uneven and vibration, the characteristic of the poorly conductive of aluminium oxide also can influence the contact quality of segment electrode silk and electricity-supplying piece, the higher characteristic of the hardness of simultaneous oxidation aluminium can be aggravated the wearing and tearing of electricity-supplying piece again, and the wearing and tearing of electricity-supplying piece can influence the deformation angle of segment electrode silk, so when this class material of processing, can see that electricity-supplying piece has " spark " phenomenon, its consequence is exactly that electricity-supplying piece is gone out groove by " processing ".Above-mentioned factor will have a strong impact on the into stability of electricity, thereby affect the discharge condition of wire electrode, influence the service life of electricity-supplying piece.
In the synchronous mode electricity-supply device, have and adopt the silk tube to advance electric mode, as shown in Figure 2, also have and adopt guide wheel to advance electric mode, as shown in Figure 3.Advance in the electric mode at the silk tube, owing to do not have relative motion between wire electrode and silk tube, avoided the generation of the above-mentioned wear phenomenon that causes because of the relative motion of high speed effectively.But advance under the electric mode at this, in the lathe discharge process, all are in a part that wire electrode outside the silk tube all becomes discharge loop, and the equivalent resistance in the discharge loop will increase, the increase of equivalent resistance will influence the discharge current of lathe cutting processing, thereby influences cutting processing efficient.As shown in Figure 3, advance in the electric mode at existing guide wheel, because the change that wire electrode advances electric position, reduced the equivalent resistance in the discharge loop, asynchronously advance in the electric mode some defectives except avoiding above-mentioned effectively so this advances electric mode, also can avoid above-mentioned silk tube to advance some defectives in the electric mode effectively.But advance under the electric mode at this, external power source is being guided in the process of guide wheel, because the external diameter of guide wheel is less, cause current enter and the electric place of advancing of guide wheel that the relative fricting movement of a higher speed is arranged, in the service life of this guide wheel electricity-supply device of the heat effects that fricting movement produced, the size of frictional force also can influence the stability of guide wheel movement.
Summary of the invention
Technical problem to be solved by this invention is to overcome the above-mentioned defective of prior art and guide wheel electricity-supply device that a kind of electric spark linear cutting machine device is provided, to reduce the frictional heating of electricity-supply device, improve the stability that electricity-supply device advances electricity, thereby guarantee the discharge condition of wire electrode, improve the cutting performance of electric spark linear cutting machine.
The present invention solves the problems of the technologies described above the technical scheme that is adopted:
The guide wheel electricity-supply device of electric spark linear cutting machine device, it is characterized in that: by support, advance electric guide wheel and current enter and form, current enter is by terminal bodies, spring and quietly advance electric body and form, spring is spacing in the terminal bodies chamber, spring one end connects the quiet electric body that advances, quietly advance electric body and contact with advancing electric guide wheel shaft, above-mentioned advance electric guide wheel and the sub-main body of current enter rack-mount, described guide wheel is formed by the sheeting butt joint.
Owing to above-mentionedly advance electric guide wheel and form by the sheeting butt joint, advance electric guide wheel like this and can do very greatly at less its external diameter down of inertia, thus the linear velocity of the guide wheel shaft that has reduced.
Above-mentionedly quietly advance electric body and advance electric guide wheel shaft two kinds of ways of contact are arranged, a kind of be axially, and another kind is for radially.
Above-mentionedly advance electric guide wheel main shaft and also be embedded with outward and move into electric body, move into electric body and advance electric body and contact with quiet, like this can life-saving.
During work, external power source is received on the terminal bodies of above-mentioned current enter, advance electric body and be delivered to the guide wheel main shaft of electric guide wheel into or move on the into electric body by quiet then, be delivered on the wire electrode by advancing electric guide wheel at last, spring has guaranteed quietly to advance electric body with the guide wheel main shaft or move fully contacting between the into electric body to the quiet active force that advances electric body.
Above-mentionedly quietly advance electric body and be embedded on the elasticity spacer, the elasticity spacer is fixed on the terminal bodies, can better locate the quiet electric body that advances like this, also can fully guarantee quietly to advance electric body and move Elastic Contact between the into electric body.
Break-in place that above-mentioned electricity-supply device is placed wire electrode is so that when increasing the length of wire electrode and the envelope section of advancing electric guide wheel, also realize increasing wire electrode at the deformation angle that advances on the electric guide wheel, thereby make wire electrode more stable when cutting.
Above-mentioned electricity-supply device uses on lathe in pairs, break-in place that all places wire electrode.
Compared with prior art, the invention has the advantages that:
1, since electricity-supply device quiet advance electric body and move into electric body or guide wheel shaft employing Elastic Sliding and contact, and adopt the large diameter electric guide wheel that advances, reduced the quiet relative velocity that advances electric body and move the fricting movement between into electric body or the guide wheel shaft, thereby reduce friction loss and caloric value, guarantee electricity quality, prolonged the service life of electricity-supply device.
2, electricity-supply device places wire electrode break-in place, because the increase of length of wire electrode and the envelope section of advancing electric guide wheel and wire electrode are in the increase of advancing the deformation angle on the electric guide wheel, increased and advanced the binding force of electric guide wheel wire electrode, thereby guaranteed wire electrode and the contact quality that advances electric guide wheel, improved the processing characteristics of wire cutting machine tool.
3, also owing to advance electricity, reduced the equivalent resistance in the discharge loop, the discharge current when having guaranteed the lathe cutting processing stable from guide wheel.
Description of drawings
Fig. 1 is the existing asynchronous electric mode electricity-supply device schematic diagram that advances;
Fig. 2 advances electric mode electricity-supply device schematic diagram for existing silk tube;
Fig. 3 advances electric mode electricity-supply device schematic diagram for existing guide wheel;
Fig. 4 is the electricity-supply device structural representation of the embodiment of the invention;
Fig. 5 is the left view of Fig. 4;
Fig. 6 locates the structure enlarged diagram for the electricity that advances of the embodiment of the invention;
Fig. 7 adopts the overall schematic of the fortune silk device of the embodiment of the invention.
Fig. 8 is the structural representation of another embodiment of the present invention.
Fig. 9 is the structural representation of another embodiment of guide wheel of the present invention.
Figure 10 is the structural representation of the another embodiment of guide wheel of the present invention.
Figure 11 is the structural representation of the another embodiment of guide wheel of the present invention.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Shown in Fig. 4,5,6, the guide wheel electricity-supply device by support 1, advance electric guide wheel 2 and current enter 3 and form, advancing electric guide wheel 2 and current enter 3 is installed on the support 1, current enter 3 is by terminal bodies 31, spring 32, flexible fastening sheet 33 and quietly advance electric body 34 and form, spring 32 is in terminal bodies 31 chambeies, on the flexible fastening sheet 33 mounting terminal main bodys 31, quietly advance electric body 34 and be embedded on the elastomer 32, all be embedded with at main shaft 23 two ends of advancing electric guide wheel 2 and move into electric body 21.
The above-mentioned main shaft that advances electric guide wheel 2 can only at one end be established above-mentioned electricity-supply device, also can establish two same cover electricity-supply devices at two ends.
Describedly advance electric guide wheel 2 and be welded by sheeting, it is bigger to advance electric guide wheel 2 outside dimensions, makes that its rotary inertia is less, rigidity is better.
In the above-mentioned electricity-supply device, because the quiet active force that advances electric body 34 of 32 pairs on spring has guaranteed quietly to advance electric body 34 and move fully contacting between the into electric body 21, also advance electric guide wheel 2 owing to employing is large diameter, reduced the quiet relative velocity that advances electric body 34 and move the fricting movement between the into electric body 21, the heat that has been produced when having reduced fricting movement.
As shown in Figure 7, electricity-supply device is placed wire electrode 4 break-ins place, wire electrode 4 and the length of advancing the envelope section of electric guide wheel 2 have been increased, increased wire electrode 4 at the deformation angle that advances on the electric guide wheel 2, thereby increased the binding force that advances 2 pairs of wire electrodes 4 of electric guide wheel, guaranteed wire electrode 4 and the contact quality that advances electric guide wheel 2.
Electricity-supply device also can be on electric spark linear cutting machine uses in pairs, break-in place that all places wire electrode 4, because the change of its position has reduced the equivalent resistance in the discharge loop more, and required discharge current when having guaranteed the lathe cutting processing.
The electric mode of advancing of electricity-supply device also can be by Fig. 8 mode, the guide wheel electricity-supply device by support 1, advance electric guide wheel 2 and current enter 5 and form, advancing electric guide wheel 2 and current enter 5 is installed on the support 1, current enter 5 by terminal bodies 51, spring 52, quietly advance electric body 54 and form, spring 52 quietly advances electric body 54 and contacts with guide wheel shaft 23 side direction in terminal bodies 51 chambeies.Because the linear velocity of guide wheel shaft is still less, thus itself and quiet to advance electric body 54 fricative heats also less, so the life-span is still very long.
Above-mentioned guide wheel 2 also can be provided with guided wheel slot 21 on its surface, can strengthen the rigidity of guide wheel 2 like this.What and density of guided wheel slot 21 can be decided as required.
Because it is less radially to advance the end diameter of electric axis 23, linear velocity is not high, can select the mode of axially advancing electricity for use.
Above-mentioned guide wheel is established V-arrangement guide wheel edge 22, can strengthen the rigidity of guide wheel, conveniently wears silk simultaneously, as shown in Figure 9.
The thin slice 24 of above-mentioned guide wheel main body can be arc, sees Figure 10, also can be outer arcuate, sees Figure 11.
Claims (10)
1, guide wheel charging device of electric spark wire cutting machine tool, by support, advance electric guide wheel and current enter and form, current enter is by terminal bodies, spring and quietly advance electric body and form, spring is spacing in the terminal bodies chamber, spring one end connects the quiet electric body that advances, quietly advance electric body and contact with advancing electric guide wheel shaft, above-mentioned advance electric guide wheel and the sub-main body of current enter rack-mount, it is characterized in that: described guide wheel is formed by the thin slice butt joint.
2, guide wheel charging device of electric spark wire cutting machine tool as claimed in claim 1 is characterized in that: describedly quietly advance electric body and be embedded on the elasticity spacer, the elasticity spacer is fixed on the terminal bodies.
3, guide wheel charging device of electric spark wire cutting machine tool as claimed in claim 1 or 2 is characterized in that: describedly advance trough of belt on the electric guide wheel.
4, guide wheel charging device of electric spark wire cutting machine tool as claimed in claim 1 or 2 is characterized in that: described guide wheel thin slice is arc or outer arcuate.
5, guide wheel charging device of electric spark wire cutting machine tool as claimed in claim 3 is characterized in that: described guide wheel thin slice is arc or outer arcuate.
6, guide wheel charging device of electric spark wire cutting machine tool as claimed in claim 1 or 2 is characterized in that: described guide wheel thin slice band V-arrangement guide wheel edge.
7, guide wheel charging device of electric spark wire cutting machine tool as claimed in claim 3 is characterized in that: described guide wheel thin slice band V-arrangement guide wheel edge.
8, guide wheel charging device of electric spark wire cutting machine tool as claimed in claim 4 is characterized in that: described guide wheel thin slice band V-arrangement guide wheel edge.
9, guide wheel charging device of electric spark wire cutting machine tool as claimed in claim 1 or 2 is characterized in that: described advance to connect on the electric guide wheel shaft move into electric body, move into electric body and advance electric body and contact with quiet.
10, guide wheel charging device of electric spark wire cutting machine tool as claimed in claim 1 or 2 is characterized in that: describedly advance electric guide wheel device and place wire electrode break-in place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100501068A CN100441351C (en) | 2006-03-27 | 2006-03-27 | Guide wheel charging device of electric spark wire cutting machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100501068A CN100441351C (en) | 2006-03-27 | 2006-03-27 | Guide wheel charging device of electric spark wire cutting machine tool |
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| Publication Number | Publication Date |
|---|---|
| CN1824445A CN1824445A (en) | 2006-08-30 |
| CN100441351C true CN100441351C (en) | 2008-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100501068A Active CN100441351C (en) | 2006-03-27 | 2006-03-27 | Guide wheel charging device of electric spark wire cutting machine tool |
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| Country | Link |
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| CN (1) | CN100441351C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101829821B (en) * | 2010-05-21 | 2013-01-23 | 江苏大学 | Power feeding device for cutting and processing aluminum alloy wires |
| CN103447645B (en) * | 2013-09-05 | 2017-03-15 | 泰州一机数控机床有限公司 | Wire electrode anti-slip device and numerical control electrospark wire-electrode cutting machine |
| CN107138817A (en) * | 2017-06-23 | 2017-09-08 | 昆山广禾电子科技有限公司 | Novel wire cutting mill |
| CN108788353A (en) * | 2018-05-03 | 2018-11-13 | 江苏塞维斯数控科技有限公司 | A kind of electric installation of wire transporting cylinder axle center into electricity |
| CN109967808B (en) * | 2019-04-30 | 2024-04-19 | 湖南汽车工程职业学院 | Power feeding device for fast wire cutting machine and fast wire cutting machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4422918A (en) * | 1980-01-25 | 1983-12-27 | Inoue-Japax Research Incorporated | Current-conducting assembly for a traveling wire-electrode |
| JPS61168427A (en) * | 1985-01-18 | 1986-07-30 | Inoue Japax Res Inc | Power supplying device to wire electrode of wire cut electric discharge machining device |
| US4733038A (en) * | 1985-11-22 | 1988-03-22 | Charmilles Technologies S.A. | Contact member for supplying electrical current to an electro-erosion wire electrode |
| CN2327486Y (en) * | 1998-06-02 | 1999-07-07 | 曾健 | Cemented carbide guiding wheel for quick electrosparking machine |
| CN2352299Y (en) * | 1998-06-03 | 1999-12-08 | 袁大伟 | Molybdenum wire conducting wheel of electrospark wire electrode cutting machine |
| JP2001232520A (en) * | 2000-02-24 | 2001-08-28 | Seibu Electric & Mach Co Ltd | Power supply structure of wire electric discharge machine |
| CN2681848Y (en) * | 2004-02-16 | 2005-03-02 | 许晓旸 | Feeder device for electrospark wire-cutting machine tool |
| CN2683300Y (en) * | 2004-04-12 | 2005-03-09 | 刘晓明 | Electric spark grinding machine for polycrystalline diamond cutter |
-
2006
- 2006-03-27 CN CNB2006100501068A patent/CN100441351C/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4422918A (en) * | 1980-01-25 | 1983-12-27 | Inoue-Japax Research Incorporated | Current-conducting assembly for a traveling wire-electrode |
| JPS61168427A (en) * | 1985-01-18 | 1986-07-30 | Inoue Japax Res Inc | Power supplying device to wire electrode of wire cut electric discharge machining device |
| US4733038A (en) * | 1985-11-22 | 1988-03-22 | Charmilles Technologies S.A. | Contact member for supplying electrical current to an electro-erosion wire electrode |
| CN2327486Y (en) * | 1998-06-02 | 1999-07-07 | 曾健 | Cemented carbide guiding wheel for quick electrosparking machine |
| CN2352299Y (en) * | 1998-06-03 | 1999-12-08 | 袁大伟 | Molybdenum wire conducting wheel of electrospark wire electrode cutting machine |
| JP2001232520A (en) * | 2000-02-24 | 2001-08-28 | Seibu Electric & Mach Co Ltd | Power supply structure of wire electric discharge machine |
| CN2681848Y (en) * | 2004-02-16 | 2005-03-02 | 许晓旸 | Feeder device for electrospark wire-cutting machine tool |
| CN2683300Y (en) * | 2004-04-12 | 2005-03-09 | 刘晓明 | Electric spark grinding machine for polycrystalline diamond cutter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1824445A (en) | 2006-08-30 |
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Address after: Kaiyuan Road, Jiangbei District, Zhejiang city of Ningbo province 315032 No. 30 building 3 floor 1 Zhejiang Heng 100 Intelligent Technology Co Ltd Patentee after: Zhejiang Heng 100 Intelligent Technology Co Ltd Address before: 315033, No. 1236, Lane 6, Jiangbei Avenue, Jiangbei District, Zhejiang, Ningbo Patentee before: ZHEJIANG HENGYIBAI MACHINERY CO., LTD. |
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