CN107378247A - A kind of filter screen laser stitch welding technique - Google Patents
A kind of filter screen laser stitch welding technique Download PDFInfo
- Publication number
- CN107378247A CN107378247A CN201710889282.9A CN201710889282A CN107378247A CN 107378247 A CN107378247 A CN 107378247A CN 201710889282 A CN201710889282 A CN 201710889282A CN 107378247 A CN107378247 A CN 107378247A
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- China
- Prior art keywords
- laser
- teeth groove
- horn mouth
- filter screen
- cutting
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/24—Seam welding
- B23K26/244—Overlap seam welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/22—Nets, wire fabrics or the like
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a kind of filter screen laser stitch welding technique, comprise the following steps：A, support bar is fixed on jig using stationary fixture, and multiple teeth groove is uniformly cut on support bar surface using laser cutting parameter；B, by the way of wire drawing die extrudes drawing, horn mouth silk is obtained；C, horn mouth silk is fixed in teeth groove using frock clamp；D, welding is carried out using laser-beam welding machine, laser is in directly over teeth groove, the tie point of horn mouth silk and teeth groove is in the central area of laser irradiation；E, the high-temperature field melting that Laser Focusing is formed, hardening by cooling afterwards, makes horn mouth silk weld to form one with support bar, operating method of the present invention is simple, it is possible to increase weld strength, further increases filter screen quality.
Description
Technical field
The present invention relates to laser stitch welding technology field, specially a kind of filter screen laser stitch welding technique.
Background technology
Laser welding be by the use of high-energy-density laser beam as thermal source a kind of high-efficiency and precision welding method.Laser Welding
It is one of importance of Materialbearbeitung mit Laserlicht technology application to connect.It is mainly used in the 1970s welding thin-walled material and low speed
Welding, welding process category heat-conduction-type, i.e. laser emission heated partses surface, surface heat are internally spread by heat transfer,
The parameters such as width, energy, peak power and repetition rate by controlling laser pulse, melt workpiece, are formed specific molten
Pond.Due to its it is unique the advantages of, be successfully applied in micro-, miniature parts precision weldings.
It is in 90 degree to be fixed on when welding filter screen in the prior art by the way of contact resistance welding with the axis of silk
Support grid on, obtain filtering silk screen, its welding effect is poor, and weld strength is low, it is necessary to provide a kind of laser stitch welding technique
To improve weld strength.
The content of the invention
It is an object of the invention to provide a kind of filter screen laser stitch welding technique, is asked with solve to propose in above-mentioned background technology
Topic.
To achieve the above object, the present invention provides following technical scheme：A kind of filter screen laser stitch welding technique, including following step
Suddenly：
A, support bar is fixed on jig using stationary fixture, and it is uniform on support bar surface using laser cutting parameter
It is 1mm-3mm to cut the distance between multiple teeth groove, two neighboring teeth groove；
B, by the way of wire drawing die extrudes drawing, horn mouth silk is obtained；
C, horn mouth silk is fixed in teeth groove using frock clamp；Wherein, frock clamp uses clamping manipulator；
D, welding is carried out using laser-beam welding machine, laser is in directly over teeth groove, at the tie point for making horn mouth silk and teeth groove
In the central area of laser irradiation；
E, the high-temperature field melting that Laser Focusing is formed, hardening by cooling afterwards, makes horn mouth silk weld to form one with support bar.
Preferably, laser cutting parameter comprises the following steps in the step A：
A, fixed workpiece to be cut：Workpiece to be cut is placed on Cutting platform, and with stationary fixture clamping and positioning；
Laser cutting head movement locus is set b,；Adjust laser power and pulse frequency；
C, control laser cutting head to move cutting along setting track, and nitrogen is sprayed in cutting process, form cutting groove；
D, the angle of cutting head and vertical direction is adjusted, angle is 2 ° -4 °；
E, cutting head movement locus is set；Control cutting head is cut downwards along setting movement locus
F, workpiece counterclockwise or is turned clockwise after 180 °, controls cutting head to be cut downwards along setting movement locus again,
Ultimately form teeth groove.
Preferably, laser power is 2000-6000W, pulse frequency 80HZ-100HZ in the step D.
Preferably, laser power is 1000-5000W, pulse frequency 50HZ-150HZ in the step b.
Compared with prior art, the beneficial effects of the invention are as follows：Operating method of the present invention is simple, it is possible to increase welding is strong
Degree, further increases filter screen quality；Wherein, the tie point of horn mouth silk and teeth groove is in the central area of laser irradiation,
Welding depth can be increased, further improve welding quality；The laser cutting parameter that the present invention uses is able to ensure that alveolar surface is put down
Whole, smooth, cut quality is good, is easy to the welding of the horn mouth silk of postorder.
Embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment
Only part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
Embodiment one：
The present invention provides following technical scheme：A kind of filter screen laser stitch welding technique, comprises the following steps：
A, support bar is fixed on jig using stationary fixture, and it is uniform on support bar surface using laser cutting parameter
It is 1mm to cut the distance between multiple teeth groove, two neighboring teeth groove；
B, by the way of wire drawing die extrudes drawing, horn mouth silk is obtained；
C, horn mouth silk is fixed in teeth groove using frock clamp；Wherein, frock clamp uses clamping manipulator；
D, welding is carried out using laser-beam welding machine, laser is in directly over teeth groove, at the tie point for making horn mouth silk and teeth groove
In the central area of laser irradiation；
E, the high-temperature field melting that Laser Focusing is formed, hardening by cooling afterwards, makes horn mouth silk weld to form one with support bar.
In the present embodiment, laser cutting parameter comprises the following steps in step A：
A, fixed workpiece to be cut：Workpiece to be cut is placed on Cutting platform, and with stationary fixture clamping and positioning；
Laser cutting head movement locus is set b,；Adjust laser power and pulse frequency；
C, control laser cutting head to move cutting along setting track, and nitrogen is sprayed in cutting process, form cutting groove；
D, the angle of cutting head and vertical direction is adjusted, angle is 2 °；
E, cutting head movement locus is set；Control cutting head is cut downwards along setting movement locus
F, workpiece counterclockwise or is turned clockwise after 180 °, controls cutting head to be cut downwards along setting movement locus again,
Ultimately form teeth groove.
In the present embodiment, laser power is 2000W, pulse frequency 80HZ in step D.
In the present embodiment, laser power is 1000W, pulse frequency 50HZ in step b.
Embodiment two：
A kind of filter screen laser stitch welding technique, comprises the following steps：
A, support bar is fixed on jig using stationary fixture, and it is uniform on support bar surface using laser cutting parameter
It is 3mm to cut the distance between multiple teeth groove, two neighboring teeth groove；
B, by the way of wire drawing die extrudes drawing, horn mouth silk is obtained；
C, horn mouth silk is fixed in teeth groove using frock clamp；Wherein, frock clamp uses clamping manipulator；
D, welding is carried out using laser-beam welding machine, laser is in directly over teeth groove, at the tie point for making horn mouth silk and teeth groove
In the central area of laser irradiation；
E, the high-temperature field melting that Laser Focusing is formed, hardening by cooling afterwards, makes horn mouth silk weld to form one with support bar.
In the present embodiment, laser cutting parameter comprises the following steps in step A：
A, fixed workpiece to be cut：Workpiece to be cut is placed on Cutting platform, and with stationary fixture clamping and positioning；
Laser cutting head movement locus is set b,；Adjust laser power and pulse frequency；
C, control laser cutting head to move cutting along setting track, and nitrogen is sprayed in cutting process, form cutting groove；
D, the angle of cutting head and vertical direction is adjusted, angle is 4 °；
E, cutting head movement locus is set；Control cutting head is cut downwards along setting movement locus
F, workpiece counterclockwise or is turned clockwise after 180 °, controls cutting head to be cut downwards along setting movement locus again,
Ultimately form teeth groove.
In the present embodiment, laser power is 6000W, pulse frequency 100HZ in step D.
In the present embodiment, laser power is 5000W, pulse frequency 150HZ in step b.
Embodiment three：
A kind of filter screen laser stitch welding technique, comprises the following steps：
A, support bar is fixed on jig using stationary fixture, and it is uniform on support bar surface using laser cutting parameter
It is 2mm to cut the distance between multiple teeth groove, two neighboring teeth groove；
B, by the way of wire drawing die extrudes drawing, horn mouth silk is obtained；
C, horn mouth silk is fixed in teeth groove using frock clamp；Wherein, frock clamp uses clamping manipulator；
D, welding is carried out using laser-beam welding machine, laser is in directly over teeth groove, at the tie point for making horn mouth silk and teeth groove
In the central area of laser irradiation；
E, the high-temperature field melting that Laser Focusing is formed, hardening by cooling afterwards, makes horn mouth silk weld to form one with support bar.
In the present embodiment, laser cutting parameter comprises the following steps in step A：
A, fixed workpiece to be cut：Workpiece to be cut is placed on Cutting platform, and with stationary fixture clamping and positioning；
Laser cutting head movement locus is set b,；Adjust laser power and pulse frequency；
C, control laser cutting head to move cutting along setting track, and nitrogen is sprayed in cutting process, form cutting groove；
D, the angle of cutting head and vertical direction is adjusted, angle is 3 °；
E, cutting head movement locus is set；Control cutting head is cut downwards along setting movement locus
F, workpiece counterclockwise or is turned clockwise after 180 °, controls cutting head to be cut downwards along setting movement locus again,
Ultimately form teeth groove.
In the present embodiment, laser power is 4000W, pulse frequency 90HZ in step D.
In the present embodiment, laser power is 3000W, pulse frequency 100HZ in step b.
Operating method of the present invention is simple, it is possible to increase weld strength, further increases filter screen quality；Wherein, by loudspeaker
The tie point of mouth silk and teeth groove is in the central area of laser irradiation, by increasing capacitance it is possible to increase welding depth, further improves welding quality；
The laser cutting parameter that the present invention uses is able to ensure that alveolar surface is smooth, smooth, and cut quality is good, is easy to the horn mouth silk of postorder
Welding.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
- A kind of 1. filter screen laser stitch welding technique, it is characterised in that：Comprise the following steps：A, support bar is fixed on jig using stationary fixture, and it is uniform on support bar surface using laser cutting parameter It is 1mm-3mm to cut the distance between multiple teeth groove, two neighboring teeth groove；B, by the way of wire drawing die extrudes drawing, horn mouth silk is obtained；C, horn mouth silk is fixed in teeth groove using frock clamp；Wherein, frock clamp uses clamping manipulator；D, welding is carried out using laser-beam welding machine, laser is in directly over teeth groove, at the tie point for making horn mouth silk and teeth groove In the central area of laser irradiation；E, the high-temperature field melting that Laser Focusing is formed, hardening by cooling afterwards, makes horn mouth silk weld to form one with support bar.
- A kind of 2. filter screen laser stitch welding technique according to claim 1, it is characterised in that：It is cut by laser in the step A Technique comprises the following steps：A, fixed workpiece to be cut：Workpiece to be cut is placed on Cutting platform, and with stationary fixture clamping and positioning；Laser cutting head movement locus is set b,；Adjust laser power and pulse frequency；C, control laser cutting head to move cutting along setting track, and nitrogen is sprayed in cutting process, form cutting groove；D, the angle of cutting head and vertical direction is adjusted, angle is 2 ° -4 °；E, cutting head movement locus is set；Control cutting head is cut downwards along setting movement locusF, workpiece counterclockwise or is turned clockwise after 180 °, controls cutting head to be cut downwards along setting movement locus again, Ultimately form teeth groove.
- A kind of 3. filter screen laser stitch welding technique according to claim 1, it is characterised in that：Laser work(in the step D Rate is 2000-6000W, pulse frequency 80HZ-100HZ.
- A kind of 4. filter screen laser stitch welding technique according to claim 2, it is characterised in that：Laser work(in the step b Rate is 1000-5000W, pulse frequency 50HZ-150HZ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710889282.9A CN107378247A (en) | 2017-09-27 | 2017-09-27 | A kind of filter screen laser stitch welding technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710889282.9A CN107378247A (en) | 2017-09-27 | 2017-09-27 | A kind of filter screen laser stitch welding technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107378247A true CN107378247A (en) | 2017-11-24 |
Family
ID=60350663
Family Applications (1)
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|---|---|---|---|
| CN201710889282.9A Pending CN107378247A (en) | 2017-09-27 | 2017-09-27 | A kind of filter screen laser stitch welding technique |
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Citations (14)
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|---|---|---|---|---|
| US5011065A (en) * | 1987-11-14 | 1991-04-30 | J.M. Voith Gmbh | Screen basket and method of manufacture |
| KR100246530B1 (en) * | 1995-05-26 | 2000-03-15 | 카리 라우라마키 | Screen and method of manufacture |
| JP2002503774A (en) * | 1998-02-23 | 2002-02-05 | サーモ・ブラック・クローソン・インコーポレーテッド | Screen cylinder with high ratio open area |
| CN101115581A (en) * | 2005-02-02 | 2008-01-30 | 三星钻石工业股份有限公司 | Method of working sintered diamond, cutter wheel for substrate and method of working the same |
| CN101396760A (en) * | 2008-11-04 | 2009-04-01 | 章新安 | Metal net welding shaping device |
| CN201596734U (en) * | 2009-11-18 | 2010-10-06 | 湖北侨光石化机械有限责任公司 | Automatic welding machine for strip-shaped screens |
| CN102049161A (en) * | 2010-11-27 | 2011-05-11 | 辽宁裕通激光应用技术工程有限公司 | Industrial filter screen with V-shaped wires and laser processing process thereof |
| CN102120291A (en) * | 2010-11-18 | 2011-07-13 | 章新安 | Ridge groove positioning device of metal welding fine screen |
| CN103658973A (en) * | 2012-09-10 | 2014-03-26 | 中国石油化工集团公司 | Axial bar screen processing technique |
| US20140158295A1 (en) * | 2012-12-10 | 2014-06-12 | Weatherford/Lamb, Inc. | Erosion Resistant Wellbore Screen and Associated Methods of Manufacture |
| CN106112274A (en) * | 2016-07-29 | 2016-11-16 | 奔腾激光(温州)有限公司 | A kind of laser cutting parameter |
| CN106112414A (en) * | 2016-08-24 | 2016-11-16 | 江苏中科大港激光科技有限公司 | A kind of laser stitch welding drainage screen and manufacture method thereof |
| CN106181034A (en) * | 2016-08-24 | 2016-12-07 | 江苏中科大港激光科技有限公司 | Johnson Net welder |
| CN206123039U (en) * | 2016-08-24 | 2017-04-26 | 江苏中科大港激光科技有限公司 | Laser stitch welding filter screen |
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2017
- 2017-09-27 CN CN201710889282.9A patent/CN107378247A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5011065A (en) * | 1987-11-14 | 1991-04-30 | J.M. Voith Gmbh | Screen basket and method of manufacture |
| KR100246530B1 (en) * | 1995-05-26 | 2000-03-15 | 카리 라우라마키 | Screen and method of manufacture |
| JP2002503774A (en) * | 1998-02-23 | 2002-02-05 | サーモ・ブラック・クローソン・インコーポレーテッド | Screen cylinder with high ratio open area |
| CN101115581A (en) * | 2005-02-02 | 2008-01-30 | 三星钻石工业股份有限公司 | Method of working sintered diamond, cutter wheel for substrate and method of working the same |
| CN101396760A (en) * | 2008-11-04 | 2009-04-01 | 章新安 | Metal net welding shaping device |
| CN201596734U (en) * | 2009-11-18 | 2010-10-06 | 湖北侨光石化机械有限责任公司 | Automatic welding machine for strip-shaped screens |
| CN102120291A (en) * | 2010-11-18 | 2011-07-13 | 章新安 | Ridge groove positioning device of metal welding fine screen |
| CN102049161A (en) * | 2010-11-27 | 2011-05-11 | 辽宁裕通激光应用技术工程有限公司 | Industrial filter screen with V-shaped wires and laser processing process thereof |
| CN103658973A (en) * | 2012-09-10 | 2014-03-26 | 中国石油化工集团公司 | Axial bar screen processing technique |
| US20140158295A1 (en) * | 2012-12-10 | 2014-06-12 | Weatherford/Lamb, Inc. | Erosion Resistant Wellbore Screen and Associated Methods of Manufacture |
| CN106112274A (en) * | 2016-07-29 | 2016-11-16 | 奔腾激光(温州)有限公司 | A kind of laser cutting parameter |
| CN106112414A (en) * | 2016-08-24 | 2016-11-16 | 江苏中科大港激光科技有限公司 | A kind of laser stitch welding drainage screen and manufacture method thereof |
| CN106181034A (en) * | 2016-08-24 | 2016-12-07 | 江苏中科大港激光科技有限公司 | Johnson Net welder |
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| PB01 | Publication | ||
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Application publication date: 20171124 |