CN110722245A - Jig for welding copper sheet winding and bus post base of high-power transformer - Google Patents
Jig for welding copper sheet winding and bus post base of high-power transformer Download PDFInfo
- Publication number
- CN110722245A CN110722245A CN201911185964.7A CN201911185964A CN110722245A CN 110722245 A CN110722245 A CN 110722245A CN 201911185964 A CN201911185964 A CN 201911185964A CN 110722245 A CN110722245 A CN 110722245A
- Authority
- CN
- China
- Prior art keywords
- lower die
- die holder
- magnetic core
- hook
- pressing plate
- 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 28
- 239000010949 copper Substances 0.000 title claims abstract description 28
- 238000004804 winding Methods 0.000 title claims abstract description 28
- 238000003466 welding Methods 0.000 title abstract description 18
- 239000011324 bead Substances 0.000 claims abstract description 6
- 239000011521 glass Substances 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- QWCRAEMEVRGPNT-UHFFFAOYSA-N buspirone Chemical compound C1C(=O)N(CCCCN2CCN(CC2)C=2N=CC=CN=2)C(=O)CC21CCCC2 QWCRAEMEVRGPNT-UHFFFAOYSA-N 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007747 plating Methods 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
- 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
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
-
- 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
-
- 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
- H01R43/0263—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 positioning or holding parts during soldering or welding process
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
The invention relates to a jig for welding a copper sheet winding and a busbar pin of a high-power transformer, which comprises an upper pressing plate, a hinge and a lower die holder, wherein the upper pressing plate and the lower die holder are hard metal strips, the left ends of the upper pressing plate and the lower die holder are connected by the hinge, and the right ends of the upper pressing plate and the lower die holder are provided with a quick pressing mechanism; a lower template provided with a plurality of magnetic core pits is arranged on the lower die base, a magnet piece is embedded in the center of each magnetic core pit, and a glass pressing bead is arranged on the upper pressing plate; the jig can connect the bus post feet with the copper sheet windings in the magnetic core pit position in a relative position for tinning. The efficiency can be increased, i.e. from the prior art mentioned at 30 sets/hour per hour to 200 sets/hour.
Description
Technical Field
The invention relates to the field of high-frequency transformers, in particular to a jig for welding a copper sheet winding and a busbar pin of a high-power transformer.
Background
At present, the welding between a copper sheet winding and a bus post pin of a high-frequency transformer has the problem that the bus post pin is not fixed easily due to the fact that the copper sheet winding dissipates heat quickly. At present, the welding is manually carried out by using an eddy-current heating intelligent lead-free welding table, only one product can be welded at one time, the efficiency of welding the product is about 30 sets/hour, and the efficiency is low; the length of the busbar is difficult to control, and the problem of different lead-out pin lengths exists; the copper sheet winding sheet has fast heat dissipation during welding, and the problems of cold welding and false welding are easily caused due to fast reduction of soldering temperature; the reject ratio of the product is as high as 10-15%.
Disclosure of Invention
In order to solve the above problems: the problem of efficiency of manual welding is solved, and the problem of high defective rate caused by temperature reduction during welding is solved. The invention provides a jig for welding a copper sheet winding and a bus post pin of a high-power transformer, which is used for solving the problems of welding efficiency and quality between the copper sheet winding and the bus post pin.
The technical means of the invention is as follows: a jig for welding between a copper sheet winding and a busbar pin of a high-power transformer comprises an upper pressing plate, a hinge and a lower die holder, wherein the upper pressing plate and the lower die holder are hard metal strips, and the left ends of the upper pressing plate and the lower die holder are connected through the hinge, so that the upper pressing plate can rotate relative to the lower die holder to be opened and pressed; the right end is provided with a quick pressing mechanism; the upper pressing plate and the lower die holder are quickly and reliably pressed; a lower die plate provided with a plurality of magnetic core pit positions is arranged on the lower die base, a magnet piece is embedded in the center of each magnetic core pit position, and a bus column pin positioning insertion hole is formed in one side, corresponding to each magnetic core pit position, of the lower die base; when the magnetic core is placed in the magnetic core pit position and the copper sheet winding is stacked, and the bus post foot is arranged in the bus post foot positioning insertion hole, the magnetic core is adsorbed and positioned by the magnet sheet in the center of the magnetic core pit position, and the pin hole of the copper sheet winding is just sleeved on the bus post foot; the upper pressure plate is arranged on the surface pressing towards the pit positions of the magnetic cores, and glass pressure beads are arranged at the copper sheet winding positions corresponding to the pit positions of the magnetic cores; the rapid pressing mechanism consists of a lower die base barb and a movable upper hook; the hook body part of the lower die holder barb is in a cuboid block shape, the lower end of the cuboid block is fixed at the right end of the lower die holder, the hook part of the lower die holder barb is arranged at the upper end of the cuboid block and extends inwards, and the hook end of the lower die holder barb is provided with a guide inclined plane; the hook body part of the movable upper hook is also in a cuboid block shape, the upper middle part of the movable upper hook is provided with a sliding hole, the hook part is arranged at the lower end of the cuboid block, the hook extends outwards, and the hook end is provided with a collision inclined plane; the sliding hole of the movable upper hook is arranged between the open slots at the right end part of the upper pressure plate through the sliding rod and the return spring, and a pushing rod acting on the movable upper hook is also arranged outside the open slots; under the action of the guide inclined plane of the barb of the lower die holder or the action of the pushing rod, the movable upper hook can overcome the elasticity of the return spring to move back and forth along the sliding rod, so that the quick pressing mechanism can quickly and reliably press or quickly release the upper pressing plate and the lower die holder.
The fixture can place the bus post foot in the bus post foot positioning jack to be connected with the copper sheet winding in the magnetic core pit position in a relative position mode. And brushing the soldering flux on the welding position of the jig on which the copper sheet winding, the magnetic core and the busbar pin are stacked, and then hanging the jig on a tin furnace for tin plating. The efficiency can be increased, i.e. from the prior art mentioned at 30 sets/hour per hour to 200 sets/hour.
The invention adopts the way that glass pressing beads are arranged at the copper sheet winding positions of all magnetic core pit positions; in addition, because the magnetic core, the copper sheet winding and the confluence column foot are placed on the jig, the upper end and the lower end of the product are fixed, and the reject ratio of the product is reduced to 0.03%.
Drawings
FIG. 1 is a schematic front view of the present invention.
Fig. 2 is a right-view structural diagram of fig. 1.
Fig. 3 is a schematic diagram of a partial cross-sectional top view of the copper sheet winding, magnetic core and bus post foot of fig. 1.
Fig. 4 is a schematic top view of the fully opened state of fig. 1.
In the drawings: 1, pressing a plate; 2, a hinge; 3, a lower die holder; 4 magnetic core pit positions; 5, a lower template; 6 magnet pieces; 7, a confluence post pin positioning jack; 8 magnetic cores; 9 copper sheet windings; 10 a busbar pin; 11 pressing beads on glass; 12, barb of the lower die holder; 13, movably hooking; 14 slide bar; 15 a return spring; 16 push against the rod.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to the attached drawing 1, a jig for welding a copper sheet winding of a high-power transformer and a busbar pin comprises an upper pressing plate 1, a hinge 2 and a lower die holder 3, wherein the upper pressing plate 1 and the lower die holder 3 are hard metal strips, and the left ends of the upper pressing plate 1 and the lower die holder 3 are connected through the hinge 2, namely, the upper pressing plate 1 can rotate to open and press against the lower die holder 3 relative to the left end of the attached drawing 1; the right end is provided with a quick pressing mechanism; namely, the right end relative to the attached drawing 1 ensures that the upper pressing plate 1 and the lower die holder 3 are pressed together quickly and reliably;
referring to fig. 3-4, a lower die plate 5 having a plurality of magnetic core pits 4 is disposed on the lower die base 3, a magnet piece 6 is embedded in the center of each magnetic core pit 4, and a positioning insertion hole 7 for a bus pin is disposed at one side of each magnetic core pit 4 corresponding to the lower die base 3; when a magnetic core 8 and a copper sheet winding 9 are stacked in the magnetic core pit 4 and the bus post foot 10 is mounted in the bus post foot positioning jack 7, the magnetic core 8 is adsorbed and positioned by the magnet sheet 6 in the center of the magnetic core pit 4, and the pin hole of the copper sheet winding 9 is just sleeved on the bus post foot 10; the upper pressure plate 1 is pressed to the surface of each magnetic core pit position 4, and glass pressing beads 11 are arranged at the positions of the copper sheet windings 9 corresponding to the magnetic core pit positions 4;
referring to fig. 2, the rapid pressing mechanism is composed of a lower die base barb 12 and a movable upper hook 13; the hook body part of the lower die holder barb 12 is in a cuboid block shape, the lower end of the cuboid block is fixed at the right end of the lower die holder 3, namely the right end relative to the attached drawing 1, the hook part of the lower die holder barb 12 is arranged at the upper end of the cuboid block, the hook extends inwards, namely the hook end relative to the inward direction of the attached drawing 1, and the hook end of the lower die holder barb 12 is provided with a guide inclined plane; the hook body part of the movable upper hook 13 is also in a cuboid block shape, the upper middle part of the movable upper hook is provided with a sliding hole, the hook part is arranged at the lower end of the cuboid block, the hook extends outwards, namely the hook end is provided with a collision inclined plane relative to the outside of the attached drawing 1; the slide hole of the movable upper hook 13 is arranged between the open slots at the right end part of the upper pressure plate 1 through the slide rod 14 and the return spring 15, and a push rod 16 acting on the movable upper hook 13 is also arranged outside the open slots; under the action of the guiding inclined plane of the lower die holder barb 12 or the action of the pushing rod 16, the movable upper hook 13 can move back and forth along the sliding rod 14 against the elastic force of the return spring 15, so that the rapid pressing mechanism can rapidly and reliably press or rapidly release the upper pressing plate 1 and the lower die holder 3.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (1)
1. The utility model provides a be used for welded tool between high-power transformer copper sheet winding and the busbar foot, includes top board (1), hinge (2) and die holder (3), its characterized in that: the upper pressing plate (1) and the lower die holder (3) are hard metal strips, and the left ends of the upper pressing plate (1) and the lower die holder (3) are connected through a hinge (2), so that the upper pressing plate (1) can be rotated to be opened and pressed relative to the lower die holder (3); the right end is provided with a quick pressing mechanism; the upper pressing plate (1) and the lower die holder (3) are quickly and reliably pressed; a lower template (5) provided with a plurality of magnetic core pits (4) is arranged on the lower die base (3), a magnet piece (6) is embedded in the center of each magnetic core pit (4), and a bus pin positioning jack (7) is formed in one side of each magnetic core pit (4) corresponding to the lower die base (3); when a magnetic core (8) and a copper sheet winding (9) are stacked in the magnetic core pit (4), and a bus post foot (10) is arranged in the bus post foot positioning insertion hole (7), the magnetic core (8) is adsorbed and positioned by a magnet sheet (6) in the center of the magnetic core pit (4), and a pin hole of the copper sheet winding (9) is just sleeved on the bus post foot (10); the upper pressure plate (1) is pressed to the surface of each magnetic core pit (4) and is provided with a glass pressing bead (11) at the position of the copper sheet winding (9) corresponding to each magnetic core pit (4); the rapid pressing mechanism consists of a lower die base barb (12) and a movable upper hook (13); the hook body part of the lower die holder barb (12) is in a cuboid block shape, the lower end of the cuboid block is fixed at the right end of the lower die holder (3), the hook part of the lower die holder barb (12) is arranged at the upper end of the cuboid block, the hook extends inwards, and the hook end of the lower die holder barb (12) is provided with a guide inclined plane; the hook body part of the movable upper hook (13) is also in a cuboid block shape, the upper middle part is provided with a sliding hole, the hook part is arranged at the lower end of the cuboid block, the hook extends outwards, and the hook end is provided with a collision inclined plane; the slide hole of the movable upper hook (13) is arranged between the open grooves at the right end part of the upper pressing plate (1) through a slide rod (14) and a return spring (15), and a pushing rod (16) acting on the movable upper hook (13) is arranged outside the open grooves; under the action of a guide inclined plane of the lower die holder barb (12) or under the action of a push rod (16), the movable upper hook (13) can move back and forth along the sliding rod (14) against the elastic force of the return spring (15), so that the quick pressing mechanism can quickly and reliably press or quickly release the upper pressing plate (1) and the lower die holder (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911185964.7A CN110722245B (en) | 2019-11-27 | 2019-11-27 | Jig for welding copper sheet winding and bus post base of high-power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911185964.7A CN110722245B (en) | 2019-11-27 | 2019-11-27 | Jig for welding copper sheet winding and bus post base of high-power transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110722245A true CN110722245A (en) | 2020-01-24 |
| CN110722245B CN110722245B (en) | 2021-10-01 |
Family
ID=69225699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911185964.7A Active CN110722245B (en) | 2019-11-27 | 2019-11-27 | Jig for welding copper sheet winding and bus post base of high-power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110722245B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03272121A (en) * | 1990-03-22 | 1991-12-03 | Matsushita Electric Ind Co Ltd | Manufacture of transformer |
| CN201638633U (en) * | 2010-01-08 | 2010-11-17 | 北京京仪椿树整流器有限责任公司 | Low-voltage high-current high frequency water-cooled transformer |
| CN201773676U (en) * | 2010-07-16 | 2011-03-23 | 王文利 | Multilayer PCB transformer winding |
| CN103412161A (en) * | 2013-07-24 | 2013-11-27 | 昆山迈致治具科技有限公司 | Pressing mechanism of ICT testing fixture |
| CN104157412A (en) * | 2014-08-28 | 2014-11-19 | 东莞市大忠电子有限公司 | High-voltage transformer and manufacturing method thereof |
| US20140360994A1 (en) * | 2012-02-29 | 2014-12-11 | Koyo Giken Inc. | Welding transformer and welding transformer assembly and welding apparatus |
| CN105609269A (en) * | 2016-03-23 | 2016-05-25 | 济南银河电气有限公司 | Oil immersed amorphous alloy transformer body and assembling method thereof |
| CN106425184A (en) * | 2016-11-09 | 2017-02-22 | 江苏金鑫电器有限公司 | Automatic welding device for aluminum alloy longitudinal joints |
| CN208004967U (en) * | 2018-02-27 | 2018-10-26 | 东莞市立宇电子有限公司 | A fixture for transformer manufacturing |
| CN208662782U (en) * | 2018-07-23 | 2019-03-29 | 苏州锝耀电子有限公司 | A kind of high-power chip lead welding fixture |
| CN210848712U (en) * | 2019-11-27 | 2020-06-26 | 郴州宇晖电子科技有限公司 | Jig for welding copper sheet winding and bus post base of high-power transformer |
-
2019
- 2019-11-27 CN CN201911185964.7A patent/CN110722245B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03272121A (en) * | 1990-03-22 | 1991-12-03 | Matsushita Electric Ind Co Ltd | Manufacture of transformer |
| CN201638633U (en) * | 2010-01-08 | 2010-11-17 | 北京京仪椿树整流器有限责任公司 | Low-voltage high-current high frequency water-cooled transformer |
| CN201773676U (en) * | 2010-07-16 | 2011-03-23 | 王文利 | Multilayer PCB transformer winding |
| US20140360994A1 (en) * | 2012-02-29 | 2014-12-11 | Koyo Giken Inc. | Welding transformer and welding transformer assembly and welding apparatus |
| CN103412161A (en) * | 2013-07-24 | 2013-11-27 | 昆山迈致治具科技有限公司 | Pressing mechanism of ICT testing fixture |
| CN104157412A (en) * | 2014-08-28 | 2014-11-19 | 东莞市大忠电子有限公司 | High-voltage transformer and manufacturing method thereof |
| CN105609269A (en) * | 2016-03-23 | 2016-05-25 | 济南银河电气有限公司 | Oil immersed amorphous alloy transformer body and assembling method thereof |
| CN106425184A (en) * | 2016-11-09 | 2017-02-22 | 江苏金鑫电器有限公司 | Automatic welding device for aluminum alloy longitudinal joints |
| CN208004967U (en) * | 2018-02-27 | 2018-10-26 | 东莞市立宇电子有限公司 | A fixture for transformer manufacturing |
| CN208662782U (en) * | 2018-07-23 | 2019-03-29 | 苏州锝耀电子有限公司 | A kind of high-power chip lead welding fixture |
| CN210848712U (en) * | 2019-11-27 | 2020-06-26 | 郴州宇晖电子科技有限公司 | Jig for welding copper sheet winding and bus post base of high-power transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110722245B (en) | 2021-10-01 |
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