CN111250867A - Stepping type laser welding device for welding resistance wires - Google Patents
Stepping type laser welding device for welding resistance wires Download PDFInfo
- Publication number
- CN111250867A CN111250867A CN202010141968.1A CN202010141968A CN111250867A CN 111250867 A CN111250867 A CN 111250867A CN 202010141968 A CN202010141968 A CN 202010141968A CN 111250867 A CN111250867 A CN 111250867A
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- welding
- electrode frame
- stepping
- electrode
- belt
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- 238000003466 welding Methods 0.000 title claims abstract description 108
- 230000009471 action Effects 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 15
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 4
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000002360 explosive Substances 0.000 description 5
- 230000000977 initiatory effect Effects 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
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
- B23K26/22—Spot 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- 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
- B23K2101/32—Wires
-
- 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
- B23K2101/36—Electric or electronic devices
- B23K2101/38—Conductors
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
- B23K2103/05—Stainless steel
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/12—Copper or alloys thereof
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention provides a stepping laser welding device for welding resistance wires, which comprises a laser welding machine, a galvanometer, a feeding guide device, a stepping feeding cylinder, a clamping device, a welding base plate and a controller, wherein the welding object is an electrode frame belt; the controller is used for setting welding parameters and stepping feeding speed parameters of the laser welding machine; the electrode frame belt to be welded is positioned on the welding backing plate, the clamping end of the electrode frame is positioned at the focus below the vibrating mirror, and laser output by the welding laser machine is modulated by the vibrating mirror and then sequentially irradiates the clamping end of the electrode frame, so that the resistance wire and the electrode frame are welded together; after clamping the electrode frame belt, the clamping device moves towards the advancing direction under the driving of the stepping feeding cylinder, and simultaneously, the next section of the electrode frame belt is continuously fed into the range of the welding backing plate under the action of the feeding guide device. The invention solves the key problems of infirm welding spots and unstable resistance values, and simultaneously improves the welding speed and the production efficiency.
Description
Technical Field
The invention relates to the technical field of production of initiating explosive devices and civil blasting equipment, in particular to a stepping laser welding device for welding resistance wires.
Background
At present, the welding method and the technology commonly adopted by the welding technology of nickel-chromium resistance wires (or called resistance wires) in the production process of electric initiating explosive devices, rigid electric initiating explosive heads and flexible electric initiating explosive heads in China are as follows: the electrode frame is firstly bent by pressing, then the resistance wire is contained at the bent position, or the resistance wire is attached to the end surface of the electrode frame, then the folded electrode frame and the background of the electrode frame are welded together by argon arc welding, energy storage resistance welding or tin soldering, and the resistance wire is clamped between the electrode frame and the resistance wire, but the electrode frame and the resistance wire are not welded into a whole. In the long-term use process, the effect of the resistance wire welding method is not ideal, the quality problems of infirm welding points, unstable resistance and the like are easy to occur, and the whole welding operation is complicated, more workers are needed, the production efficiency is low and the like.
Disclosure of Invention
In view of the above, the invention provides a stepping laser welding device for welding resistance wires, which solves the key problems of infirm welding spots and unstable resistance values, and improves the welding speed and the production efficiency.
The technical scheme adopted by the invention is as follows:
a stepping laser welding device for welding resistance wires comprises a laser welding machine, a vibrating mirror, a feeding guide device, a stepping feeding cylinder, a clamping device, a welding base plate and a controller; the welding object is an electrode frame belt, the same ends of the two electrodes clamp the same resistance wire to form an electrode frame, and the electrode frame formed by the substrate material in the linear direction and distributed at equal intervals is the electrode frame belt;
the stepping feeding cylinder is fixed on one side of the welding base plate, and the clamping device is arranged on a sliding block of the stepping feeding cylinder; the feeding guide device is arranged in the moving direction of the electrode frame belt; the controller is used for setting welding parameters and stepping feeding speed parameters of the laser welding machine;
the electrode frame belt to be welded is positioned on the welding backing plate, the clamping end of the electrode frame is positioned at the focus below the vibrating mirror, and laser output by the welding laser machine is modulated by the vibrating mirror and then sequentially irradiates the clamping end of the electrode frame, so that the resistance wire and the electrode frame are welded together; the clamping device clamps the electrode frame belt and then moves towards the advancing direction under the driving of the stepping feeding cylinder, and meanwhile, the next section of the electrode frame belt is continuously fed into the range of the welding backing plate under the action of the feeding guide device.
Furthermore, the clamping device comprises an electrode frame belt pressing cylinder, a pin and an electrode frame belt supporting table;
the electrode frame belt pressing air cylinder is arranged above the electrode frame belt supporting table, the pin is fixed at the end of a piston of the electrode frame belt pressing air cylinder, and the piston of the electrode frame belt pressing air cylinder drives the pin to move along the direction perpendicular to the moving direction of the electrode frame belt.
Further, the feeding guide device comprises two supports and two bearings;
the two supports are respectively arranged at two sides of the welding backing plate, the connecting line of the two supports is consistent with the moving direction of the electrode frame belt, and the two bearings are respectively arranged on the two supports.
Further, the substrate material is copper alloy, tin-plated copper alloy, nickel-copper alloy, carbon steel or stainless steel; when the base material is a tape, the thickness ranges from 0.001mm to 1.0 mm; when the base material is a wire, the maximum radial length of the end face ranges from 0.01mm to 1.0 mm.
Further, 2-60 electrode frames are distributed on the to-be-welded section of the electrode frame belt at equal intervals.
Further, 20 electrode frames are distributed on the electrode frame belt to be welded at equal intervals.
Further, one step of the stepping feeding cylinder is equal to the length of a section to be welded of the electrode frame belt.
Has the advantages that:
1. the laser output by the welding laser machine is modulated by the vibrating mirror, and output laser spots are directly irradiated on the bottom of the electrode frame, namely the clamping resistance wire, and are welded together by welding to form a welding point, so that the firmness and reliability of the welding point are ensured, the product resistance value is stable, the welding speed and the production efficiency are improved, the key technical problems which are not solved by the traditional welding methods of tin soldering, energy storage welding, argon arc welding and the like for the resistance wire are solved, the welding quality of the resistance wire is improved, and an important technical guarantee is provided for developing high-quality electric initiating explosive devices, electric detonators and/or electronic detonators.
2. The invention adopts the laser welding technology, is suitable for electrode frame base materials of different materials, and has firm formed welding points, stable resistance value and wide application field.
Drawings
FIG. 1 is a front view of resistance wires clamped at two ends of an electrode holder;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic view of the overall structure of the present invention;
FIG. 4 is an enlarged partial schematic view of the clamping device;
FIG. 5 is an enlarged partial schematic view of the feed guide;
the welding device comprises a laser welding machine 1, a feeding guide device 2, a stepping feeding air cylinder 3, a welding backing plate 4, a controller 5, a clamping device 6, an electrode frame belt pressing air cylinder 7, an electrode frame belt supporting table 8, a ball bearing 10, an electrode frame 11, a resistance wire 12 and a resistance wire clamping part.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
The embodiment provides a stepping laser welding device for welding resistance wires, which comprises a laser welding machine 1, a vibrating mirror, a feeding guide device 2, a stepping feeding cylinder 3, a welding base plate 4, a controller 5 and a clamping device 6, as shown in fig. 3.
The welding object is an electrode frame belt, as shown in fig. 1 and 2, the same ends of the two electrodes clamp the same resistance wire 11 to form an electrode frame 10, and the electrode frames 10 which are distributed at equal intervals on the base material along the linear direction are the electrode frame belt; the position 12 of the resistance wire is the position to be welded. The substrate material adopts copper alloy, tin-plated copper alloy, nickel-copper alloy, carbon steel or/and stainless steel; when the base material is a tape, the thickness ranges from 0.001mm to 1.0 mm; when the base material is a wire, the end face has a maximum radial length in the range of 0.01mm to 1.0 mm. 2-60 electrode frames 10 are distributed on the to-be-welded section of the electrode frame belt at equal intervals. In the embodiment, twenty electrode holders 10 are distributed on the to-be-welded section of the electrode holder strip at equal intervals, i.e. forty welding points are required to be formed by welding.
The stepping feeding cylinder 3 is fixed on one side of the welding backing plate 4, and the clamping device 6 is arranged on a sliding block of the stepping feeding cylinder 3; as shown in fig. 4, the clamping device 6 includes an electrode holder belt pressing cylinder 7, a pin, and an electrode holder belt pallet 8; the electrode frame belt pressing cylinder 7 is arranged above the electrode frame belt supporting table 8, the pin is fixed at the end of the piston of the electrode frame belt pressing cylinder 3, the piston of the electrode frame belt pressing cylinder 7 drives the pin to move along the direction perpendicular to the moving direction of the electrode frame belt, and the piston of the electrode frame belt pressing cylinder 7 stretches out to drive the pin to clamp the electrode frame belt.
As shown in fig. 5, the feed guide 2 includes two supports and two ball bearings 9; the two supports are respectively arranged at two sides of the welding backing plate 4, the connecting line direction of the two supports is the moving direction of the electrode frame belt, and the two ball bearings 9 are respectively arranged on the two supports.
The controller 5 is used for setting welding parameters and stepping feeding speed parameters of the laser welding machine 1; one step of the stepping feeding cylinder 3 is equal to the length of a section to be welded of the electrode frame belt.
The electrode frame belt to be welded is positioned on the welding backing plate 4, the clamping position 12 of the resistance wire, namely the clamping end of the electrode frame is positioned at the focus below the vibrating mirror, laser output by the welding laser machine is modulated by the vibrating mirror and then sequentially irradiates the clamping position 12 of the resistance wire, so that the resistance wire 11 and the electrode frame 10 are welded, melted and condensed together to form a welding point when cooled; after clamping the electrode frame belt, the clamping device 6 moves under the driving of the stepping feeding cylinder 3, and simultaneously, the next section of electrode frame belt to be welded is continuously fed into the range of the welding base plate 4 under the action of the feeding guide device 2.
When the welding device is used, the electrode frame belt is clamped into a gap between the electrode frame belt pressing cylinder 7 and the electrode frame belt supporting table 8 after passing through the ball bearing 9 on one side of the welding backing plate 4, the section to be welded of the electrode frame belt is positioned on the welding backing plate 4, and the resistance wire clamping position 12 on the electrode frame belt is positioned at the focus below the laser galvanometer; then leading the electrode frame belt out of the stepping laser welding device after the electrode frame belt passes through the ball bearing 9 on the other side of the welding backing plate 4; after laser welding parameters and stepping speed are set through the controller 5, the welding laser machine outputs laser, after modulation is carried out through the vibrating mirror 1, the laser irradiates an electrode frame with a resistance wire clamping part 12 on the welding backing plate 4 in sequence, the electrode frame 10 and the resistance wire 11 at a facula are heated and melted, after the laser is removed, the melted material is cooled and solidified to form homogeneous and integrated fusion welding points, forty welding points are formed by each welding, and the purpose of welding the electrode frame 10 and the resistance wire 11 together is achieved; after the twenty electrode frames 10 are welded, the piston of the electrode frame pressing cylinder 7 extends out, the electrode frame pressing cylinder is matched with the electrode frame belt supporting table 8 to clamp and finish the welded electrode frame belt, the stepping feeding cylinder 3 moves at the moment, the distance of one step is transmitted forwards once, the next section of electrode frame belt to be welded is sent into the range of the welding backing plate 4, and welding work is repeated. The piston of the electrode frame belt pressing cylinder 7 contracts, lifts the pin, forms a gap with the electrode frame belt supporting platform 8, returns under the back movement of the stepping feeding cylinder 3, and then is matched with the stepping feeding cylinder 3 to perform the next clamping movement work of the electrode frame belt.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A stepping laser welding device for welding resistance wires is characterized by comprising a laser welding machine, a vibrating mirror, a feeding guide device, a stepping feeding air cylinder, a clamping device, a welding base plate and a controller; the welding object is an electrode frame belt, the same ends of the two electrodes clamp the same resistance wire to form an electrode frame, and the electrode frame formed by the substrate material in the linear direction and distributed at equal intervals is the electrode frame belt;
the stepping feeding cylinder is fixed on one side of the welding base plate, and the clamping device is arranged on a sliding block of the stepping feeding cylinder; the feeding guide device is arranged in the moving direction of the electrode frame belt; the controller is used for setting welding parameters and stepping feeding speed parameters of the laser welding machine;
the electrode frame belt to be welded is positioned on the welding backing plate, the clamping end of the electrode frame is positioned at the focus below the vibrating mirror, and laser output by the welding laser machine is modulated by the vibrating mirror and then sequentially irradiates the clamping end of the electrode frame, so that the resistance wire and the electrode frame are welded together; the clamping device clamps the electrode frame belt and then moves towards the advancing direction under the driving of the stepping feeding cylinder, and meanwhile, the next section of the electrode frame belt is continuously fed into the range of the welding backing plate under the action of the feeding guide device.
2. The stepping laser welding device for welding resistance wires according to claim 1, wherein the clamping device comprises an electrode holder belt pressing cylinder, a pin and an electrode holder belt supporting table;
the electrode frame belt pressing air cylinder is arranged above the electrode frame belt supporting table, the pin is fixed at the end of a piston of the electrode frame belt pressing air cylinder, and the piston of the electrode frame belt pressing air cylinder drives the pin to move along the direction perpendicular to the moving direction of the electrode frame belt.
3. The stepping laser welding device for welding resistance wire according to claim 1, wherein said feed guide comprises two supports and two bearings;
the two supports are respectively arranged at two sides of the welding backing plate, the connecting line of the two supports is consistent with the moving direction of the electrode frame belt, and the two bearings are respectively arranged on the two supports.
4. The stepping laser welding device for welding resistance wire according to claim 1, wherein the base material is copper alloy, or tin-plated copper alloy, or nickel-copper alloy, or carbon steel, or stainless steel; when the base material is a tape, the thickness ranges from 0.001mm to 1.0 mm; when the base material is a wire, the maximum radial length of the end face ranges from 0.01mm to 1.0 mm.
5. The stepping laser welding device for the welding resistance wire as claimed in claim 1, wherein 2-60 electrode holders are distributed on the to-be-welded section of the electrode holder belt at equal intervals.
6. The stepping laser welding device for welding resistance wire according to claim 5, wherein 20 electrode holders are distributed on the electrode holder belt to be welded at equal intervals.
7. The stepping laser welding device for welding resistance wires according to claim 1, wherein one step of the stepping feeding cylinder is equal to the length of a to-be-welded section of the electrode holder strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010141968.1A CN111250867B (en) | 2020-03-04 | 2020-03-04 | Step-by-step laser welding device for welding resistance wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010141968.1A CN111250867B (en) | 2020-03-04 | 2020-03-04 | Step-by-step laser welding device for welding resistance wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111250867A true CN111250867A (en) | 2020-06-09 |
| CN111250867B CN111250867B (en) | 2024-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010141968.1A Active CN111250867B (en) | 2020-03-04 | 2020-03-04 | Step-by-step laser welding device for welding resistance wire |
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| Country | Link |
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| CN (1) | CN111250867B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85107767A (en) * | 1985-10-15 | 1987-04-15 | 长春光学精密机械学院 | Laser welding method for bridge wire |
| JPH06176908A (en) * | 1993-05-17 | 1994-06-24 | Mitsunori Yokoyama | Automatic winding machine |
| CN101494134A (en) * | 2008-01-21 | 2009-07-29 | 内桥艾斯泰克股份有限公司 | Protective element |
| CN103017617A (en) * | 2011-09-20 | 2013-04-03 | 北京北方邦杰科技发展有限公司 | Ignition circuit board and ignition member containing ignition circuit board |
| CN103722263A (en) * | 2013-12-26 | 2014-04-16 | 武汉昊诚能源科技有限公司 | Automatic one-step welding device for cylindrical battery pins |
| CN204276705U (en) * | 2014-05-29 | 2015-04-22 | 苏州瑞玛金属成型有限公司 | Deep drawing type product is without material strip conveyer |
| CN105014247A (en) * | 2015-07-03 | 2015-11-04 | 北京航天达盛电子技术有限公司 | Bridge wire welding system used for producing electrode plug |
| CN107891223A (en) * | 2017-11-24 | 2018-04-10 | 苏州市信德威激光科技有限公司 | A kind of device and process using laser welding aluminum plastic film |
| CN207272569U (en) * | 2017-10-12 | 2018-04-27 | 北京航天达盛电子技术有限公司 | A kind of electrode plug positioner |
| CN108942006A (en) * | 2018-09-19 | 2018-12-07 | 四川航天川南火工技术有限公司 | Positioning device and method are covered in a kind of superfine metal bridge wire automatic and accurate drawing |
| CN212371431U (en) * | 2020-03-04 | 2021-01-19 | 北京凯米迈克科技有限公司 | Stepping type laser welding device for welding resistance wires |
-
2020
- 2020-03-04 CN CN202010141968.1A patent/CN111250867B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85107767A (en) * | 1985-10-15 | 1987-04-15 | 长春光学精密机械学院 | Laser welding method for bridge wire |
| JPH06176908A (en) * | 1993-05-17 | 1994-06-24 | Mitsunori Yokoyama | Automatic winding machine |
| CN101494134A (en) * | 2008-01-21 | 2009-07-29 | 内桥艾斯泰克股份有限公司 | Protective element |
| JP2009295567A (en) * | 2008-01-21 | 2009-12-17 | Uchihashi Estec Co Ltd | Protective element |
| CN103017617A (en) * | 2011-09-20 | 2013-04-03 | 北京北方邦杰科技发展有限公司 | Ignition circuit board and ignition member containing ignition circuit board |
| CN103722263A (en) * | 2013-12-26 | 2014-04-16 | 武汉昊诚能源科技有限公司 | Automatic one-step welding device for cylindrical battery pins |
| CN204276705U (en) * | 2014-05-29 | 2015-04-22 | 苏州瑞玛金属成型有限公司 | Deep drawing type product is without material strip conveyer |
| CN105014247A (en) * | 2015-07-03 | 2015-11-04 | 北京航天达盛电子技术有限公司 | Bridge wire welding system used for producing electrode plug |
| CN207272569U (en) * | 2017-10-12 | 2018-04-27 | 北京航天达盛电子技术有限公司 | A kind of electrode plug positioner |
| CN107891223A (en) * | 2017-11-24 | 2018-04-10 | 苏州市信德威激光科技有限公司 | A kind of device and process using laser welding aluminum plastic film |
| CN108942006A (en) * | 2018-09-19 | 2018-12-07 | 四川航天川南火工技术有限公司 | Positioning device and method are covered in a kind of superfine metal bridge wire automatic and accurate drawing |
| CN212371431U (en) * | 2020-03-04 | 2021-01-19 | 北京凯米迈克科技有限公司 | Stepping type laser welding device for welding resistance wires |
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| Publication number | Publication date |
|---|---|
| CN111250867B (en) | 2024-06-04 |
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