CN109570682B - Welding method of alternating current-direct current welding device adopting multi-strand wires - Google Patents
Welding method of alternating current-direct current welding device adopting multi-strand wires Download PDFInfo
- Publication number
- CN109570682B CN109570682B CN201811612559.4A CN201811612559A CN109570682B CN 109570682 B CN109570682 B CN 109570682B CN 201811612559 A CN201811612559 A CN 201811612559A CN 109570682 B CN109570682 B CN 109570682B
- Authority
- CN
- China
- Prior art keywords
- welding
- alternating current
- loop
- direct current
- controlled rectifier
- 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.)
- Active
Links
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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/08—Soldering by means of dipping in molten solder
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
- H01R43/0249—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections for simultaneous welding or soldering of a plurality of wires to contact elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention belongs to welding equipment and a method, and particularly relates to a welding method of an alternating current-direct current welding device adopting a plurality of strands of wires. The device comprises a rectifying circuit; the output part of the rectifying circuit is respectively connected with the energy storage capacitor and the welding transformer to form a charging loop and a direct current welding loop; the output end of the secondary coil of the welding transformer is connected with a welding electrode; a pair of anti-parallel alternating current control thyristors are respectively connected between two ends of a primary coil of the welding transformer and two phases of an input end of an alternating current power supply, so that when the alternating current control thyristors are conducted, the primary coil of the welding transformer and the alternating current power supply form an alternating current welding loop; the discharge silicon controlled rectifier and the alternating current control silicon controlled rectifier are controlled by the welding controller to be on-off. The invention can finish the whole process of wire shaping compaction and direct current welding in one procedure, improves the welding efficiency and quality, simplifies the equipment structure, reduces the total cost of the equipment and improves the operation reliability.
Description
Technical Field
The invention belongs to welding equipment and a method, and particularly relates to a welding method of an alternating current-direct current welding device adopting a plurality of strands of wires.
Background
When multi-strand wires, including multi-strand copper wires, are used in many products, it is necessary to weld the ends of the multi-strand conductors with conductors such as copper sheets, for example, patch panel welding. Copper itself resistivity is low, and the heat dissipation is fast, and alternating current resistance welder and medium frequency direct current welder can not reach best effect, and copper's welding at present to energy storage welding effect is optimal. The welding of stranded copper wires and copper sheets firstly needs to be shaped, one method is to cover a copper terminal for stamping and shaping and then weld, and the other method is to melt the wire heads together and then weld, so that the main purpose is to enable the stranded wire heads to be in direct contact tightly. Therefore, the welding is generally divided into two working procedures, and the welding is performed after shaping, so that the production process is complex, the efficiency is low, and the equipment and the labor investment are increased.
Disclosure of Invention
The invention aims to solve the technical problem of providing a welding method of an alternating current-direct current welding device with simple process, less equipment investment, less labor consumption and high production efficiency by adopting a multi-strand wire.
The alternating current-direct current welding device of the multi-strand wire comprises a rectifying circuit, wherein the input part of the rectifying circuit is connected with an alternating current power supply; the output part of the rectifying circuit is respectively connected with an energy storage capacitor and a welding transformer to form a charging loop and a direct current welding loop, and a discharging silicon controlled rectifier for controlling the on-off of the loop is connected in the direct current welding loop; the output end of the secondary coil of the welding transformer is connected with a welding electrode; a pair of anti-parallel alternating current control thyristors are respectively connected between two ends of a primary coil of the welding transformer and two phases of an input end of an alternating current power supply, so that when the alternating current control thyristors are conducted, the primary coil of the welding transformer and the alternating current power supply form an alternating current welding loop; the discharge silicon controlled rectifier and the alternating current control silicon controlled rectifier are controlled by the welding controller to be on-off.
The on-off of the rectifying circuit is controlled by a charging silicon controlled rectifier, and the on-off of the charging silicon controlled rectifier is also controlled by a welding controller.
The alternating current-direct current welding method of the multi-strand wire is based on the alternating current-direct current welding device of the multi-strand wire, and comprises the following working steps: when welding is started, an actuating mechanism drives a welding electrode to compress the conductors of the multi-strand wires and the conductors welded with the conductors; after the alternating current power supply is connected, the discharging silicon controlled rectifier is disconnected by the welding controller, the direct current welding loop does not work, and the alternating current control silicon controlled rectifier is conducted at the same time, so that the alternating current welding loop works, a plurality of wires are heated and softened through the electrodes, and the wires are pressed and shaped under the action of electrode pressure; then, the AC control silicon controlled rectifier is disconnected, the discharging cavity silicon is conducted, the DC welding loop works, the energy storage capacitor discharges, and the welding part is welded.
Furthermore, the on-off of the rectifying circuit is controlled by the charging silicon controlled rectifier, and the rectifying circuit is started before the welding is started to charge the energy storage capacitor.
The invention concentrates the alternating current and direct current systems in a welding system, firstly, a small current is supplied to a workpiece through an alternating current welding loop, a plurality of wires are softened or even melted to a certain extent in the electrifying process, the wires are tightly combined through the extrusion of electrodes, then, the direct current welding function of energy storage welding is used, and the shaped copper wires are welded on the conductor sheet in a short time with large current; the whole process of wire shaping compaction and direct current welding is completed in one procedure, the welding efficiency and quality are improved, meanwhile, the equipment structure is simplified, the total equipment cost is reduced, and meanwhile, the operation reliability is improved.
Drawings
Fig. 1 is a schematic circuit diagram of an ac/dc welding device for multi-strand wires according to an embodiment of the present invention.
Detailed Description
As shown in the figure, the alternating current-direct current welding device of the multi-strand wire comprises a rectifying circuit 1, wherein the input part of the rectifying circuit is connected with an alternating current power supply, and the on-off of the rectifying circuit is controlled by a charging silicon controlled rectifier; the output part of the rectifying circuit 1 is respectively connected with an energy storage capacitor C and a welding transformer T to form a charging loop and a direct current welding loop, and discharging thyristors D5 and D6 for controlling the on-off of the loop are connected in the direct current welding loop; the output end of the secondary coil of the welding transformer is connected with a welding electrode 2; a pair of anti-parallel alternating current control thyristors are respectively connected between two ends of a primary coil of the welding transformer and two phases of an alternating current power supply input end, namely: d1 and D2, D3 and D4; when the AC control silicon controlled rectifier is conducted, the primary coil of the welding transformer and the AC power supply form an AC welding loop; the charging silicon controlled rectifier, the discharging silicon controlled rectifier and the alternating current control silicon controlled rectifier are all controlled by the welding controller to be on-off.
Adopt the device to weld stranded copper line and copper sheet, its working procedure is: when welding is started, the welding controller firstly starts the rectifying circuit to charge the energy storage capacitor, and the actuating mechanism drives the welding electrode to compress a plurality of strands of copper wires and copper sheets; at the moment, the discharging silicon controlled rectifier is disconnected, and the direct current welding loop does not work; meanwhile, the AC controls the conduction of the silicon controlled rectifier, so that an AC welding loop works, and a plurality of strands of copper wires are heated and softened through the electrode, so that the plurality of strands of copper wires are compacted and shaped under the action of electrode pressure; then, the AC control silicon controlled rectifier is disconnected, the discharging cavity silicon is conducted, the DC welding loop works, the energy storage capacitor discharges, and the welding part is subjected to high-current DC welding.
Claims (2)
1. An alternating current-direct current welding method of a multi-strand wire by adopting an alternating current-direct current welding device of the multi-strand wire is characterized in that:
the alternating current-direct current welding device of the multi-strand wire comprises a rectifying circuit, wherein the input part of the rectifying circuit is connected with an alternating current power supply; the output part of the rectifying circuit is respectively connected with an energy storage capacitor and a welding transformer to form a charging loop and a direct current welding loop, and a discharging silicon controlled rectifier for controlling the on-off of the loop is connected in the direct current welding loop; the output end of the secondary coil of the welding transformer is connected with a welding electrode; a pair of anti-parallel alternating current control thyristors are respectively connected between two ends of a primary coil of the welding transformer and two phases of an input end of an alternating current power supply, so that when the alternating current control thyristors are conducted, the primary coil of the welding transformer and the alternating current power supply form an alternating current welding loop; the discharge silicon controlled rectifier and the alternating current control silicon controlled rectifier are controlled by a welding controller to be on-off;
when welding is started, an actuating mechanism drives a welding electrode to compress the conductors of the multi-strand wires and the conductors welded with the conductors; after the alternating current power supply is connected, the discharging silicon controlled rectifier is disconnected by the welding controller, the direct current welding loop does not work, and the alternating current control silicon controlled rectifier is conducted at the same time, so that the alternating current welding loop works, a plurality of wires are heated and softened through the electrodes, and the wires are pressed and shaped under the action of electrode pressure; then, the AC control silicon controlled rectifier is disconnected, the discharging cavity silicon is conducted, the DC welding loop works, the energy storage capacitor discharges, and the welding part is welded.
2. The ac/dc welding method of a plurality of wires using the ac/dc welding apparatus of a plurality of wires according to claim 1, wherein: the on-off of the rectifying circuit is controlled by the charging silicon controlled rectifier, and the rectifying circuit is started before welding starts to charge the energy storage capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811612559.4A CN109570682B (en) | 2018-12-27 | 2018-12-27 | Welding method of alternating current-direct current welding device adopting multi-strand wires |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811612559.4A CN109570682B (en) | 2018-12-27 | 2018-12-27 | Welding method of alternating current-direct current welding device adopting multi-strand wires |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109570682A CN109570682A (en) | 2019-04-05 |
| CN109570682B true CN109570682B (en) | 2023-05-23 |
Family
ID=65933046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811612559.4A Active CN109570682B (en) | 2018-12-27 | 2018-12-27 | Welding method of alternating current-direct current welding device adopting multi-strand wires |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109570682B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2224693Y (en) * | 1994-12-23 | 1996-04-17 | 何万镒 | Multifunctional portable welder for shaping automobile contour |
| CN102350581B (en) * | 2011-09-26 | 2013-07-17 | 广州（从化）亨龙机电制造实业有限公司 | Medium-voltage capacitive energy storage welding machine |
| CN104242439B (en) * | 2014-08-30 | 2016-07-06 | 沈亚斌 | A kind of alternating current-direct current is without delay switching method and switched system |
| CN104209645A (en) * | 2014-09-18 | 2014-12-17 | 陕西易阳科技有限公司 | Copper lead butt welding method |
| JP6659483B2 (en) * | 2016-07-05 | 2020-03-04 | 株式会社エンビジョンＡｅｓｃジャパン | Inspection method of joining condition between electrode tab and bus bar |
-
2018
- 2018-12-27 CN CN201811612559.4A patent/CN109570682B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109570682A (en) | 2019-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104428096B (en) | welding system inrush current control system | |
| CN104520045B (en) | Utilize the welding system of distributed power bus | |
| CN105324205B (en) | Intermetallic composite coating Power converter system and method | |
| CN105189010B (en) | Method and apparatus for providing welded type power | |
| EP2877310B1 (en) | Method of and system for welding using a generator stick electrode based engine speed control | |
| CN101513690A (en) | Control system for lowering splashing amount of CO2 welding machine and XM waveform control method | |
| CN103008865A (en) | Process method for pulse width-adjustable AC (Alternating Current)-DC (Direct Current) inverter resistance welding | |
| JP4426693B2 (en) | Metal member joining method and reflow soldering method | |
| CN109570682B (en) | Welding method of alternating current-direct current welding device adopting multi-strand wires | |
| CN201009046Y (en) | Iron thread recycling butt welding machine | |
| US6486456B1 (en) | Fusing processing method | |
| CN103781583B (en) | Condenser type welding method and welder | |
| CN104467513A (en) | Pulse type welder power circuit | |
| CN105269141A (en) | Electromagnetic induction welding device and method and stitch welding machine | |
| CN205021005U (en) | Nail spot welder is planted to handheld active control formula | |
| CN105215511B (en) | A kind of automobile aluminum vehicle body quick repairing machine | |
| CN202317460U (en) | Hot welding machine | |
| CN201300280Y (en) | Percussion welder | |
| CN203245505U (en) | Energy-saving medium-frequency inversion multi-transformer automatic gang bonder | |
| CN207021483U (en) | Terminal fitting and binding post connection equipment | |
| CN105057868A (en) | Handheld active control type spot welder for planting nails | |
| CN205733366U (en) | A kind of welding supply of low impact load | |
| CN204258658U (en) | A kind of pulsed welding machine electric power circuit | |
| CN214640894U (en) | Intelligent aluminum-iron body repairing machine | |
| CN103753007B (en) | Method for resistance welding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |