CN104942387A - Plasma line cutting method and cutting device - Google Patents
Plasma line cutting method and cutting device Download PDFInfo
- Publication number
- CN104942387A CN104942387A CN201510358568.5A CN201510358568A CN104942387A CN 104942387 A CN104942387 A CN 104942387A CN 201510358568 A CN201510358568 A CN 201510358568A CN 104942387 A CN104942387 A CN 104942387A
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- CN
- China
- Prior art keywords
- plasma
- cut line
- cut
- electric arc
- cutting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000010891 electric arc Methods 0.000 claims abstract description 35
- 229910052751 metal Inorganic materials 0.000 claims abstract description 32
- 239000002184 metal Substances 0.000 claims abstract description 32
- 238000002844 melting Methods 0.000 claims abstract description 8
- 230000008018 melting Effects 0.000 claims abstract description 8
- 239000004020 conductor Substances 0.000 claims description 12
- 239000002826 coolant Substances 0.000 claims description 8
- 238000009958 sewing Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 31
- 239000007921 spray Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000012809 cooling fluid Substances 0.000 description 2
- 238000000866 electrolytic etching Methods 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H5/00—Combined machining
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
Abstract
The invention relates to a plasma line cutting method and a cutting device. A plasma cutting line with a diameter of 2-10 mm is connected to a negative pole of an electric arc controller, a cut metal piece is connected to a positive pole of the electric arc controller, the striking voltage ranges from 2000 V to 4000 V, the maintaining voltage ranges from 100 V to 200 V, and a high-temperature plasma electric arc is pulled up between the plasma cutting line and the cut metal piece to bombard the cut metal piece to enable part of the cut metal piece to be melted and even burned; meanwhile, air is blown in through an air nozzle to remove melted metal, the plasma cutting line moves according to a preset route and continuously conducts the melting and metal removing processes, and the cutting for the cut metal piece is achieved. According to the plasma line cutting method and the cutting device, organic combination between the plasma cutting and the line cutting method is achieved, the high-temperature plasma electric arc is pulled up on the surface of the metal piece directly by the energizing between the plasma cutting line and the metal piece, and the melted metal is removed in time through the air nozzle, and the plasma cutting line can perform high-speed cutting with large depth on the metal piece.
Description
Technical field
The present invention relates to Metal Cutting field shaping technique, particularly relate to a kind of the plasma wire cutting method and the cutter sweep that realize high speed and degree of depth cutting.
Background technology
Current metal electric cutting method has plasma cut, Wire EDM and electrolytic etching cutting etc., wherein plasma cut can realize high-speed cutting, but because its plasma-arc and gas are all spray in cutting torch, and nozzle with cut surface of the work and must be kept certain distance, by its produce plasma-arc length restriction cannot complete degree of depth cutting operation, therefore plasma cut is mainly used in the little metal of cutting thickness.Wire EDM and electrolytic etching cutting then cannot realize high-speed cutting.
Summary of the invention
The invention provides a kind of plasma wire cutting method, by plasma cut and the organic joint of wire cutting method, utilize after being energized between plasma cut line and metal works direct at surface of workpiece pull-up high-temperature plasma electric arc, and removing deposite metal in time by gas nozzle, plasma cut line can carry out the high-speed cutting of the larger degree of depth to metal works; Invention also provides the plasma wire-electrode cutting device for realizing the method.
In order to achieve the above object, the present invention realizes by the following technical solutions:
A kind of plasma wire cutting method, the plasma cut line of diameter 2 ~ 10mm is connected electric arc controller negative pole, cut metalwork connects electric arc controller positive pole, striking voltage 2000 ~ 4000V, keep voltage 100 ~ 200V, pull-up high-temperature plasma electric arc between plasma cut line and cut metalwork, the cut metalwork of bombardment makes it local melting and even burns; Be blown into gas by gas nozzle simultaneously and remove molten metal, plasma cut line moves by predetermined paths and carries out continuously melting, removing metal process, realizes the cutting to cut metalwork.
Described plasma cut line is wire electrode or combination electrode sleeve pipe, and combination electrode sleeve pipe comprises outer high-temperature resistant tube and internal layer high conductive material pipe, and internal layer high conductive material pipe is electrode tube, is cooling passage in its pipe.
Described gas nozzle is located on gimbals, by the ejection of gas puff Z-pinch Systematical control gas and direction, angle and gas flow.
Described plasma cut line is driven by the walking mechanism below frame, under the control of traveling control system simultaneously transversely and vertically move and synthesize arbitrary plane movement locus.
Described electric arc controller is arc welding impulse controller.
For realizing a kind of plasma wire-electrode cutting device of plasma wire cutting method, comprise plasma cut line, electric arc controller, gas nozzle and walking mechanism, described plasma cut line two ends are fixed in frame by clamping head, cut with cut metalwork surface is close in the middle part of plasma cut line, and the cutting side of sewing on establishes gas nozzle, gas nozzle is fixed in frame by gimbals, and is connected with gas puff Z-pinch system; Plasma cut line connects the negative pole of electric arc controller, and the positive pole of electric arc controller is connected with cut metalwork; Establish walking mechanism below frame, walking mechanism is connected with traveling control system.
When described plasma cut line is combination electrode sleeve pipe, internal layer high conductive material pipe connects coolant circulation system by coolant duct.
Be provided with cross-over block between described plasma cut line and body, cut metalwork establishes earth connection.
Described walking mechanism is provided with longitudinal traveling mechanism and horizontal walking mechanism, and is connected with traveling control system respectively.
Compared with prior art, the invention has the beneficial effects as follows:
1) by plasma cut and the organic joint of wire cutting method, utilize after being energized between plasma cut line and metal works direct at surface of workpiece pull-up high-temperature plasma electric arc, and removing deposite metal in time by gas nozzle, plasma cut line can carry out the high-speed cutting of the larger degree of depth to metal works;
2) cutting speed of cutting method of the present invention is higher than Wire EDM and galvano-cautery cutting, and depth of cut is greater than plasma cut;
3) plasma cut line can be processed into abnormity, for cutting special-shaped otch;
4) gas nozzle is jet at best angle, optimum orientation by gas puff Z-pinch Systematical control, and spray air flow is controlled, and cut surface deposite metal can remove in time, facilitates plasma cut line to carry out the cutting of more deep layer;
5) walking mechanism can under the control of traveling control system simultaneously transversely and vertically move and synthesize arbitrary plane movement locus, conveniently moving, accurately;
6) adopt electric arc controller to control plasma-arc to generate, duty is steadily reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of plasma wire-electrode cutting device of the present invention.
Fig. 2 is the section structure schematic diagram of plasma cut line of the present invention.
In figure: 1. walking mechanism control system 2. coolant circulation system 3. coolant duct 4. frame 5. plasma cut line 51. high-temperature resistant tube 52. high conductive material pipe 53. cooling fluid 6. gas nozzle 7. gimbals 8. gas puff Z-pinch system 9. electric arc controller 10. is cut metalwork 11. earth connection 12. clamping head 13. insulating pad 14. walking mechanism
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
A kind of plasma wire cutting method, the plasma cut line 5 of diameter 2 ~ 10mm is connected electric arc controller 9 negative pole, cut metalwork 10 connects electric arc controller 9 positive pole, striking voltage 2000 ~ 4000V, keep voltage 100 ~ 200V, pull-up high-temperature plasma electric arc between plasma cut line 5 and cut metalwork 10, the cut metalwork 10 of bombardment makes it local melting and even burns; Be blown into gas by gas nozzle 6 simultaneously and remove molten metal, plasma cut line 5 moves by predetermined paths and carries out continuously melting, removing metal process, realizes the cutting to cut metalwork 10.
Described plasma cut line 5 is wire electrode or combination electrode sleeve pipe, and combination electrode sleeve pipe comprises outer high-temperature resistant tube 51 and internal layer high conductive material pipe 52, and internal layer high conductive material pipe 52 is electrode tube, is cooling fluid 53 passage in its pipe.(as shown in Figure 2)
Described gas nozzle 6 is located on gimbals 7, controls gas ejection and direction, angle and gas flow by gas puff Z-pinch system 8.
Described plasma cut line 5 is driven by the walking mechanism 14 below frame 4, under the control of traveling control system 1 simultaneously transversely and vertically move and synthesize arbitrary plane movement locus.
Described electric arc controller 9 is arc welding impulse controller.
Seeing Fig. 1, is the structural representation of plasma wire-electrode cutting device of the present invention.For realizing a kind of plasma wire-electrode cutting device of plasma wire cutting method, comprise plasma cut line 5, electric arc controller 9, gas nozzle 6 and walking mechanism 14, described plasma cut line 5 two ends are fixed in frame 4 by clamping head 12, cut with cut metalwork 10 surface is close in the middle part of plasma cut line 5, and the cutting side of sewing on establishes gas nozzle 6, gas nozzle 6 is fixed in frame 4 by gimbals 7, and is connected with gas puff Z-pinch system 8; The negative pole of the connection electric arc controller 9 of plasma cut line 5, the positive pole of electric arc controller 9 is connected with cut metalwork 10; Establish walking mechanism 14 below frame 4, walking mechanism 14 is connected with traveling control system 1.
When described plasma cut line 5 is combination electrode sleeve pipe, internal layer high conductive material pipe 52 connects coolant circulation system 2 by coolant duct 3.
Be provided with cross-over block 13 between described plasma cut line 5 and body 4, cut metalwork 10 establishes earth connection 11.
Described walking mechanism 14 is provided with longitudinal traveling mechanism and horizontal walking mechanism, and is connected with traveling control system 1 respectively.
Linear cut utilizes fine wire shape electrode (also known as wire electrode) such as molybdenum filament, copper wire, the tungsten filament etc. of continuous moving to make electrode, pulse spark electric discharge removal metal, excision forming are carried out to workpiece, be mainly used in processing the various complex-shaped workpiece tiny with precision, the diameter of wire electrode is generally less than 0.3mm.In order to the high-temperature plasma electric arc making plasma cut line 5 can bear more than 1000 DEG C, the present invention adopts the wire electrode of more than diameter 2mm or combination electrode sleeve pipe as plasma cut line 5, the outer high-temperature resistant tube 51 of combination electrode sleeve pipe can select the metallic material pipe such as tungsten, titanium, and internal layer high conductive material pipe 52 can select copper pipe.Because be cut with cut metalwork 10 is close by plasma cut line 5, plasma cut line 5 along cut surface deeply, therefore can carry out degree of depth cutting.
The gas that gas nozzle 6 sprays can be oxygen or inert gas, and the character according to cut metalwork 10 and plasma cut line 5 is selected.
The present invention connects electric arc controller 9 positive pole cut metalwork 10, and plasma cut line 5 connects electric arc controller negative pole, and when using combination electrode sleeve pipe as plasma cut line 5, internal layer high conductive material pipe 52 is energized as electrode; By electric arc controller 9 pull-up high-temperature plasma electric arc between cut metalwork 10 and plasma cut line 5; The cut metalwork 10 of high-temperature plasma bombardment makes it local melting and even burns, and recycling gas nozzle 6 is blown into gas and removes molten metal; High-temperature plasma electric arc produces in other positions near plasma cut line 5 subsequently, removes the metal near plasma cut line 5 further; After metal near plasma cut line 5 is all removed, control horizontal walking mechanism respectively and longitudinal traveling mechanism moves by traveling control system 1 according to the program preset, its compound motion forms cutting route; Plasma cut line 5 progressively removes cut surface metal along predetermined cuts circuit, and finally reach the object of high speed, degree of depth cutting, its cutting speed is close to general plasma cutting speeds, but depth of cut scope is much bigger.
Claims (9)
1. a plasma wire cutting method, it is characterized in that, the plasma cut line of diameter 2 ~ 10mm is connected electric arc controller negative pole, cut metalwork connects electric arc controller positive pole, striking voltage 2000 ~ 4000V, keep voltage 100 ~ 200V, pull-up high-temperature plasma electric arc between plasma cut line and cut metalwork, the cut metalwork of bombardment makes it local melting and even burns; Be blown into gas by gas nozzle simultaneously and remove molten metal, plasma cut line moves by predetermined paths and carries out continuously melting, removing metal process, realizes the cutting to cut metalwork.
2. a kind of plasma wire cutting method according to claim 1, it is characterized in that, described plasma cut line is wire electrode or combination electrode sleeve pipe, combination electrode sleeve pipe comprises outer high-temperature resistant tube and internal layer high conductive material pipe, internal layer high conductive material pipe is electrode tube, is cooling passage in its pipe.
3. a kind of plasma wire cutting method according to claim 1, it is characterized in that, described gas nozzle is located on gimbals, by the ejection of gas puff Z-pinch Systematical control gas and direction, angle and gas flow.
4. a kind of plasma wire cutting method according to claim 1, it is characterized in that, described plasma cut line is driven by the walking mechanism below frame, under the control of traveling control system simultaneously transversely and vertically move and synthesize arbitrary plane movement locus.
5. a kind of plasma wire cutting method according to claim 1, is characterized in that, described electric arc controller is arc welding impulse controller.
6. for realizing the plasma wire-electrode cutting device of a kind of plasma wire cutting method according to claim 1, it is characterized in that, comprise plasma cut line, electric arc controller, gas nozzle and walking mechanism, described plasma cut line two ends are fixed in frame by clamping head, cut with cut metalwork surface is close in the middle part of plasma cut line, and the cutting side of sewing on establishes gas nozzle, gas nozzle is fixed in frame by gimbals, and is connected with gas puff Z-pinch system; Plasma cut line connects the negative pole of electric arc controller, and the positive pole of electric arc controller is connected with cut metalwork; Establish walking mechanism below frame, walking mechanism is connected with traveling control system.
7. a kind of plasma wire-electrode cutting device according to claim 6, is characterized in that, when described plasma cut line is combination electrode sleeve pipe, internal layer high conductive material pipe connects coolant circulation system by coolant duct.
8. a kind of plasma wire-electrode cutting device according to claim 6, is characterized in that, be provided with cross-over block between described plasma cut line and body, cut metalwork establishes earth connection.
9. a kind of plasma wire-electrode cutting device according to claim 6, is characterized in that, described walking mechanism is provided with longitudinal traveling mechanism and horizontal walking mechanism, and is connected with traveling control system respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510358568.5A CN104942387B (en) | 2015-06-25 | 2015-06-25 | A kind of plasma wire cutting method and cutter sweep |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510358568.5A CN104942387B (en) | 2015-06-25 | 2015-06-25 | A kind of plasma wire cutting method and cutter sweep |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104942387A true CN104942387A (en) | 2015-09-30 |
| CN104942387B CN104942387B (en) | 2017-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510358568.5A Active CN104942387B (en) | 2015-06-25 | 2015-06-25 | A kind of plasma wire cutting method and cutter sweep |
Country Status (1)
| Country | Link |
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| CN (1) | CN104942387B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110370027A (en) * | 2019-01-29 | 2019-10-25 | 姜建中 | A kind of method of electric welding machine additional cuts device cutting metal |
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| JP2001225170A (en) * | 2000-02-17 | 2001-08-21 | Tanaka Engineering Works Ltd | Plasma torch |
| CN2780399Y (en) * | 2005-03-30 | 2006-05-17 | 黄朝晖 | Digital controlled high speed plasma cutter frame |
| CN101444149A (en) * | 2006-04-20 | 2009-05-27 | 材料及电化学研究公司 | Method of using thermal plasma to produce a functionally graded composite surface layer on metals |
| CN201271802Y (en) * | 2008-09-26 | 2009-07-15 | 吉林大学 | Major diameter wheel flange teeth groove processing system |
| CN102170990A (en) * | 2008-10-01 | 2011-08-31 | 贝尔肯霍夫股份有限公司 | Wire electrode for spark-erosion cutting |
| CN203484791U (en) * | 2013-09-07 | 2014-03-19 | 滨州市虎森数控设备科技有限公司 | Computer numerical control plasma cutting machine |
| CN103737164A (en) * | 2014-01-03 | 2014-04-23 | 上海交通大学 | Plasma column compressor |
| CN103801771A (en) * | 2012-11-12 | 2014-05-21 | 李磊 | High-speed cutting electro-discharge machining method |
| CN204075480U (en) * | 2014-10-14 | 2015-01-07 | 麦特汽车服务股份有限公司 | A kind of CUT arc initiation device |
-
2015
- 2015-06-25 CN CN201510358568.5A patent/CN104942387B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001225170A (en) * | 2000-02-17 | 2001-08-21 | Tanaka Engineering Works Ltd | Plasma torch |
| CN2780399Y (en) * | 2005-03-30 | 2006-05-17 | 黄朝晖 | Digital controlled high speed plasma cutter frame |
| CN101444149A (en) * | 2006-04-20 | 2009-05-27 | 材料及电化学研究公司 | Method of using thermal plasma to produce a functionally graded composite surface layer on metals |
| CN201271802Y (en) * | 2008-09-26 | 2009-07-15 | 吉林大学 | Major diameter wheel flange teeth groove processing system |
| CN102170990A (en) * | 2008-10-01 | 2011-08-31 | 贝尔肯霍夫股份有限公司 | Wire electrode for spark-erosion cutting |
| CN103801771A (en) * | 2012-11-12 | 2014-05-21 | 李磊 | High-speed cutting electro-discharge machining method |
| CN203484791U (en) * | 2013-09-07 | 2014-03-19 | 滨州市虎森数控设备科技有限公司 | Computer numerical control plasma cutting machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110370027A (en) * | 2019-01-29 | 2019-10-25 | 姜建中 | A kind of method of electric welding machine additional cuts device cutting metal |
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| CN104942387B (en) | 2017-03-15 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of invention: Plasma line cutting method and cutting device Effective date of registration: 20180801 Granted publication date: 20170315 Pledgee: Bank of Anshan Limited by Share Ltd Pledgor: ANSHAN XINCI ELECTRONIC CO., LTD. Registration number: 2018210000024 |
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Date of cancellation: 20190819 Granted publication date: 20170315 Pledgee: Bank of Anshan Limited by Share Ltd Pledgor: ANSHAN XINCI ELECTRONIC CO., LTD. Registration number: 2018210000024 |
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Denomination of invention: Plasma line cutting method and cutting device Effective date of registration: 20190821 Granted publication date: 20170315 Pledgee: Bank of Anshan Limited by Share Ltd Pledgor: ANSHAN XINCI ELECTRONIC CO., LTD. Registration number: Y2019210000004 |
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Effective date of registration: 20211207 Address after: 114000 No. 266, Yueling Road, high tech Zone, Anshan City, Liaoning Province Patentee after: Anshan Xinbei Seiko Co.,Ltd. Address before: 114001 No. 5, anzheng Road, Qianshan District, Anshan City, Liaoning Province Patentee before: ANSHAN XINCI ELECTRONIC Co.,Ltd. |
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