CN201064847Y - Special-purpose high frequency induced brazing machine for heavy current electrode contactor bridge-shape contact - Google Patents
Special-purpose high frequency induced brazing machine for heavy current electrode contactor bridge-shape contact Download PDFInfo
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- CN201064847Y CN201064847Y CNU2007200970107U CN200720097010U CN201064847Y CN 201064847 Y CN201064847 Y CN 201064847Y CN U2007200970107 U CNU2007200970107 U CN U2007200970107U CN 200720097010 U CN200720097010 U CN 200720097010U CN 201064847 Y CN201064847 Y CN 201064847Y
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Abstract
The utility model relates to a special high frequency induction brazing machine for a bridge-shaped contact of a heavy current electrode contactor, which is composed of a machine frame, a high frequency induction heating power supply, a high frequency inductor and a workpiece clamp, wherein: a high frequency inductor is a continuous copper tube which comprises an annular single-turn induction coil circled by the middle part of the copper tube and a connecting section with the two end parts being communicated with the high frequency induction heating power supply, and the annular induction coil includes a circle arc shape bending section with two symmetrical ends and a straight section connected with the two ends of the bending section. The utility model has the scientific and reasonable structural design, and adopts an induction coil with a particular form to meet the requirements for welding contactor bridge-shaped contacts made of different metallic materials of all parts, in particular to the contactor bridge-shaped contact made of ferrous material of the contact bridge, thereby ensuring the uniform and synchronous temperature increasing of the contact bridge and two contact blades and a junction plate in the welding process, and avoiding the over-burning and melting of the ferrous contact bridge caused by superheating.
Description
Technical field
The utility model belongs to welding field, the special-purpose high-frequency induction brazing machine of particularly a kind of large-current electric utmost point contactor bridge-shaped contact.
Background technology
Fast development along with China's science and technology, the range of application and the performance requirement of industrial production mesolow electrical equipment also enlarge thereupon and improve, contactor in the low-voltage electrical apparatus is one of wherein important kind, and the normal steady operation of contactor is to guarantee the vital safely and efficiently factor of industrial production.Large-current electric utmost point contactor generally comprises moving contact and static contact two parts at present, engage and separate conducting and the cut-out that realizes electric current by dynamic and static contact, the welding quality of dynamic and static contact directly has influence on the reliability of contactor work, therefore improves the key link that its welding quality ensures the normal stable operation of contactor.The moving contact of existing large-current electric utmost point contactor is generally the bridge-shaped contact with double-contact, and it wraps a contact bridge, two contact blades and a joint cover, by welding manner this three part is combined into one.At present, the welding of bridge-shaped contact is mainly adopted the mode of soldering both at home and abroad, domestic most of mode that adopts resistance brazing, external then begun the mode of high-frequency induction brazing is applied to the welding of bridge-shaped contact, its have productivity ratio height, labour intensity low, be suitable for the wider advantage of workpiece shape.
Because the bridge-shaped contact of contactor before adopts two kinds of materials to make mostly, be that contact blade partly adopts silver material, and contact bridge and joint cover partly adopt copper material, the mode of employing high-frequency induction brazing is welded this kind bridge-shaped contact and is had being heated evenly of workpiece, speed of welding is fast, advantages such as welding quality is better, and present contactor manufacturing factory is for reducing cost, its contact bridge partly adopts iron or steel material, this moment, the bridge-shaped contact of contactor partly comprised three kinds of materials, when employing has the brazing equipment of regular circular induction coil before, whole workpiece places in the toroidal inductor, because the more copper and silver material of ferrous material induction speed is more quick, before copper and silver material reaches required welding temperature, be in irony contact bridge too fast be easy to scaling loss even thawing of workpiece outermost owing to temperature raises, cause workpiece to damage, influence welding quality, reduce the qualification rate of product.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of, improve the special-purpose high-frequency induction brazing machine of large-current electric utmost point contactor bridge-shaped contact of welding efficiency by adopting special induction coil to improve to comprise the welding quality of the contactor bridge-shaped contact of multiple material.
The special-purpose high-frequency induction brazing machine of a kind of large-current electric utmost point contactor bridge-shaped contact, by the frame that is provided with workbench, be installed on the high-frequency induction heating power in the frame, be arranged at the high-frequency inductor on the workbench, the work piece holder corresponding with the high-frequency inductor position constitutes, high-frequency inductor is connected with high-frequency induction heating power, it is characterized in that: high-frequency inductor is a continuous copper pipe, it comprises the linkage section that is connected with high-frequency induction heating power by copper pipe middle part coiled ring-type induction coil and both ends thereof, and the ring-type induction coil of copper pipe middle part institute coiled comprises that two ends are symmetrical and is circular-arc bending section and connects the straight section of this bending two ends section.
And the linkage section that described high-frequency inductor is connected with high-frequency induction heating power all extends from a straight section middle part bending of ring-type induction coil.
And the straight section of the connection both ends arc-shaped bend section of described high-frequency inductor is all drawn close to ring-type induction coil center curvature.
And the ring-type induction coil of described high-frequency inductor is a single turn.
And described work piece holder is one vertically to be installed on the lifting fore-set on the frame, and this lifting fore-set is by an air cylinder driven that is packed in upper rack.
And described lifting fore-set is two porcelain knobs of symmetry, and these two porcelain knobs are installed in the cylinder push-rod end by a connection piece.
Advantage of the present utility model and good effect are:
1. this solderer has adopted a kind of special high-frequency inductor, this high-frequency inductor has adopted and has been different from a kind of main part with induction coil of special shape of regular making toroidal coil before, but induction coil comprises two ends symmetries and is circular-arc bending section and connects the straight section of this bending two ends section, the contact bridge bottom shape of whole induction coil and contactor bridge-shaped contact matches, and be parallel to this bottom surface (being solder side) and be provided with, this kind structure makes that bridge-shaped contact three kinds of material temperature rise ratios in welding process are more even, and the irony contact bridge is heated too fast and the generation burning phenomenon when before whole workpiece being put into induction coil inside thereby avoided adopting.
2. the straight section of the induction coil of this solderer connection both ends arc-shaped bend section is all drawn close to the induction coil center curvature, this is to be shaped on installing hole on the contact bridge long side wall owing to the contactor bridge-shaped contact to make the thin heating surface area in its edge less, the induction coil straight section is after the center is drawn close, the magnetic strength that is produced can be drawn close to the contact bridge centre, it is too fast to avoid contact bridge sidewall position to heat up.
3. the linkage section that is connected with high-frequency induction heating power of the high-frequency inductor of this solderer extends from a straight section middle part bending of ring-type induction coil for ease of making and install all.
4. the ring-type induction coil of the high-frequency inductor of this solderer is owing to the solder side that is parallel to the contactor bridge-shaped contact is provided with, and therefore it is designed to single turn can satisfy the soldering needs.
5. this solderer work piece holder is one vertically to be installed on the lifting fore-set on the frame, and this lifting fore-set is by an air cylinder driven, and two porcelain knobs that lifting fore-set end installs compress the two silver contact blades that are positioned the bridge-shaped contact upper surface respectively, thereby strengthens the soldering effect.Because fore-set need pass in the induction coil, therefore should not adopt the metal material that produces induction, adopted stable splendid porcelain knob to come workpiece pressing herein, because of taking place, the high-frequency induction phenomenon cause temperature to raise even scaling loss in the time of can preventing to adopt metal cartridge.
6. the utility model scientific structure design is reasonable, adopted a kind of induction coil to satisfy the welding of the contactor bridge-shaped contact that each parts are made by different metal material with special shape, particularly adopt the contactor bridge-shaped contact of ferrous material at contact bridge, guarantee evenly raising synchronously of contact bridge and two contact blades and joint cover temperature in its welding process, avoid producing overheated and cause irony contact bridge scaling loss to be melted.
Description of drawings
Fig. 1 is structural representation of the present utility model (not containing Working piece positioning device);
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the structural representation of the utility model high-frequency inductor;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the structural representation of contactor bridge-shaped contact;
Fig. 6 is the vertical view of Fig. 5;
Fig. 7 is that the A-A of Fig. 1 is to cutaway view.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is further described, following examples are descriptive, are not determinate, can not limit protection domain of the present utility model with this.
The special-purpose high-frequency induction brazing machine of this large-current electric utmost point contactor bridge-shaped contact, by the frame 7 that is provided with workbench 6, be installed on high-frequency induction heating power 10 in the frame, be arranged at the high-frequency inductor 3 on the workbench, the work piece holder corresponding with the high-frequency inductor position constitutes, high-frequency inductor is connected with high-frequency induction heating power.
The innovative point of this solderer is: high-frequency inductor is a continuous copper pipe, the induction coil of copper pipe middle part coiled ring-type, this induction coil is parallel to the setting of workpiece solder side, this ring-type induction coil comprises two ends symmetries and is circular-arc bending section 13 and connects the straight section 14 of this bending two ends section, induction coil connects the straight section of both ends arc-shaped bend section all to be drawn close to the hub of a spool bending, and induction coil is connected with high-frequency induction heating power by the linkage section 15 at its both ends.The linkage section that high-frequency inductor is connected with high-frequency induction heating power all extends from a straight section middle part symmetry bending of ring-type induction coil, and also other correct position bending of self-induction coil is extended as required.For ease of making and install, the high-frequency inductor linkage section is shaped on joint 16 and can connects by a nut 17 with the copper pipe of the output of high-frequency induction heating power copper bar.The induction coil of high-frequency inductor is a single turn.The copper pipe of high-frequency induction heating power copper bar output is communicated with a circulating water device 11 that is installed on frame inside, can form a cooling-water duct thus in the high-frequency inductor copper pipe.Work piece holder is one vertically to be installed on the lifting fore-set 2 on the frame, this lifting fore-set is driven by a cylinder 1 that is installed in upper rack and carries out lifting along its guide pillar, the lifting fore-set is two porcelain knobs of symmetry, these two porcelain knobs are installed in the cylinder push-rod end by a connection piece (among the figure not label), and two porcelain knob compresses the two silver contact blade surfaces that are positioned the bridge-shaped contact upper surface respectively.Workbench circumferential perimeter at this solderer surrounds a tank 8, and workbench top also is equipped with water cooling plant 9, can carry out water-cooled and handle in brazing process.On workbench, also be provided with a workpiece mold 5, and a Working piece positioning device that can move horizontally 12, this Working piece positioning device is used to locate the horizontal level of workpiece various piece, can recall along its guide rail after finish the location.This solderer also can be connected with a controller, and is not shown.
Shown in Fig. 5,6, the workpiece 4 that this solderer is suitable for is the contactor bridge-shaped contact, its structure for by the contact bridge 18 of a flute profile, be arranged at the contact blade 19 at two ends, contact bridge bottom surface and the joint cover 20 that is arranged in the contact bridge groove constitutes, the joint cover two ends are shaped on projection, in two perforates that this projection is flush-mounted on the contact bridge to be shaped on, and weld mutually with two contact blades that are positioned over the contact bridge bottom surface and are coated with scolder 21, form bridge-shaped contact integral body.
The operation principle of the present utility model and the course of work are:
The contact bridge that assembles and joint cover location be positioned on the workpiece mold and by positioner position, the two silver contact blades that are coated with scolder are positioned over the contact bridge upper surface, regulate its position by positioner, make it corresponding with the induction coil position.General who has surrendered's Work-sheet pressing is on the workpiece mold under the lifting fore-set, recall positioner, open high-frequency induction heating power, adjusting electric current, power and high frequency frequency mates it mutually, workpiece heats up gradually until welding temperature, circulating water device is opened simultaneously, and cooling high frequency electric source and induction coil prevent that it is overheated.This solderer is owing to having adopted a kind of induction coil of special construction and itself and workpiece being be arranged in parallel, make that bridge-shaped contact three kinds of material temperature rise ratios in welding process are more even, the irony contact bridge is heated too fast and the generation burning phenomenon when before whole workpiece being put into induction coil inside thereby avoided adopting.
Claims (6)
1. the special-purpose high-frequency induction brazing machine of a large-current electric utmost point contactor bridge-shaped contact, by the frame that is provided with workbench, be installed on the high-frequency induction heating power in the frame, be arranged at the high-frequency inductor on the workbench, the work piece holder corresponding with the high-frequency inductor position constitutes, high-frequency inductor is connected with high-frequency induction heating power, it is characterized in that: high-frequency inductor is a continuous copper pipe, it comprises the linkage section that is connected with high-frequency induction heating power by copper pipe middle part coiled ring-type induction coil and both ends thereof, and the ring-type induction coil of copper pipe middle part institute coiled comprises that two ends are symmetrical and is circular-arc bending section and connects the straight section of this bending two ends section.
2. the special-purpose high-frequency induction brazing machine of large-current electric utmost point contactor bridge-shaped contact according to claim 1 is characterized in that: the linkage section that described high-frequency inductor is connected with high-frequency induction heating power all extends from a straight section middle part bending of ring-type induction coil.
3. the special-purpose high-frequency induction brazing machine of large-current electric utmost point contactor bridge-shaped contact according to claim 1, it is characterized in that: the straight section of the connection both ends arc-shaped bend section of described high-frequency inductor is all drawn close to ring-type induction coil center curvature.
4. the special-purpose high-frequency induction brazing machine of large-current electric utmost point contactor bridge-shaped contact according to claim 1, it is characterized in that: the ring-type induction coil of described high-frequency inductor is a single turn.
5. the special-purpose high-frequency induction brazing machine of large-current electric utmost point contactor bridge-shaped contact according to claim 1, it is characterized in that: described work piece holder is one vertically to be installed on the lifting fore-set on the frame, and this lifting fore-set is by an air cylinder driven that is packed in upper rack.
6. the special-purpose high-frequency induction brazing machine of large-current electric utmost point contactor bridge-shaped contact according to claim 5 is characterized in that: described lifting fore-set is two porcelain knobs of symmetry, and these two porcelain knobs are installed in the cylinder push-rod end by a connection piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200970107U CN201064847Y (en) | 2007-08-07 | 2007-08-07 | Special-purpose high frequency induced brazing machine for heavy current electrode contactor bridge-shape contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200970107U CN201064847Y (en) | 2007-08-07 | 2007-08-07 | Special-purpose high frequency induced brazing machine for heavy current electrode contactor bridge-shape contact |
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| Publication Number | Publication Date |
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| CN201064847Y true CN201064847Y (en) | 2008-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007200970107U Expired - Fee Related CN201064847Y (en) | 2007-08-07 | 2007-08-07 | Special-purpose high frequency induced brazing machine for heavy current electrode contactor bridge-shape contact |
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| CN (1) | CN201064847Y (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357695A (en) * | 2011-10-19 | 2012-02-22 | 黄一淼 | Method and device for soldering metal parts and components by adopting high-frequency induction brazing |
| CN102744480A (en) * | 2012-07-16 | 2012-10-24 | 陈建初 | High-frequency sensing tin soldering machine and welding method |
| CN103008815A (en) * | 2012-12-14 | 2013-04-03 | 贵州黎阳航空动力有限公司 | Induction duct-desoldering device and desoldering method |
| CN103551691A (en) * | 2013-10-30 | 2014-02-05 | 贵州天义电器有限责任公司 | Soldering method of seat plate assembly, induction coil for soldering and manufacturing method of induction coil |
| CN103737136A (en) * | 2013-12-20 | 2014-04-23 | 广东美芝精密制造有限公司 | Welding device |
| CN104002008A (en) * | 2014-05-08 | 2014-08-27 | 珠海格力电器股份有限公司 | Induction soldering device |
| CN106624239A (en) * | 2017-01-16 | 2017-05-10 | 广东顺德三合工业自动化设备股份有限公司 | High-frequency brazing machine for welding compressor and liquid accumulator |
| CN106735674A (en) * | 2016-11-25 | 2017-05-31 | 深圳亚力盛连接器有限公司 | Tin soldering machine |
| CN107052504A (en) * | 2017-01-16 | 2017-08-18 | 温岭市冰洋空调设备有限公司 | A kind of condenser pipe welder |
| CN110116250A (en) * | 2019-05-06 | 2019-08-13 | 格力电器（合肥）有限公司 | A kind of high frequency brazing tooling |
| CN113319391A (en) * | 2021-06-16 | 2021-08-31 | 杭州华光焊接新材料股份有限公司 | Inflating valve welding device and welding method |
| CN113634842A (en) * | 2021-08-31 | 2021-11-12 | 安徽新富新能源科技有限公司 | High-frequency induction automatic welding device and process for battery pack cooling pipe |
-
2007
- 2007-08-07 CN CNU2007200970107U patent/CN201064847Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357695A (en) * | 2011-10-19 | 2012-02-22 | 黄一淼 | Method and device for soldering metal parts and components by adopting high-frequency induction brazing |
| CN102744480A (en) * | 2012-07-16 | 2012-10-24 | 陈建初 | High-frequency sensing tin soldering machine and welding method |
| CN103008815A (en) * | 2012-12-14 | 2013-04-03 | 贵州黎阳航空动力有限公司 | Induction duct-desoldering device and desoldering method |
| CN103551691B (en) * | 2013-10-30 | 2015-08-26 | 贵州天义电器有限责任公司 | A kind of welding method of base plate assembly, induction coil and preparation method thereof for its welding |
| CN103551691A (en) * | 2013-10-30 | 2014-02-05 | 贵州天义电器有限责任公司 | Soldering method of seat plate assembly, induction coil for soldering and manufacturing method of induction coil |
| CN103737136A (en) * | 2013-12-20 | 2014-04-23 | 广东美芝精密制造有限公司 | Welding device |
| CN103737136B (en) * | 2013-12-20 | 2016-06-29 | 广东美芝精密制造有限公司 | Welding equipment |
| CN104002008A (en) * | 2014-05-08 | 2014-08-27 | 珠海格力电器股份有限公司 | Induction soldering device |
| CN106735674A (en) * | 2016-11-25 | 2017-05-31 | 深圳亚力盛连接器有限公司 | Tin soldering machine |
| CN106624239A (en) * | 2017-01-16 | 2017-05-10 | 广东顺德三合工业自动化设备股份有限公司 | High-frequency brazing machine for welding compressor and liquid accumulator |
| CN107052504A (en) * | 2017-01-16 | 2017-08-18 | 温岭市冰洋空调设备有限公司 | A kind of condenser pipe welder |
| CN110116250A (en) * | 2019-05-06 | 2019-08-13 | 格力电器（合肥）有限公司 | A kind of high frequency brazing tooling |
| CN113319391A (en) * | 2021-06-16 | 2021-08-31 | 杭州华光焊接新材料股份有限公司 | Inflating valve welding device and welding method |
| CN113634842A (en) * | 2021-08-31 | 2021-11-12 | 安徽新富新能源科技有限公司 | High-frequency induction automatic welding device and process for battery pack cooling pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Guoliang Inventor after: Zhang Yueping Inventor after: Zhang Hongtao Inventor after: Li Xin Inventor after: Yang Chunyu Inventor after: Li Linhe Inventor after: maming Inventor after: Wang Kun Inventor before: Li Guoliang Inventor before: Zhang Yueping Inventor before: Zhang Hongtao Inventor before: Li Xin Inventor before: Yang Chunyu Inventor before: Li Linhe Inventor before: Ma Ming Inventor before: Wang Kun |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LI GUOLIANG; ZHANG YUEPING; ZHANG HONGTAO; LI XIN; YANG CHUNYU; LI LINHE; MA MINGLIANG; WANG KUN TO: LI GUOLIANG; ZHANG YUEPING; ZHANG HONGTAO; LI XIN; YANG CHUNYU; LI LINHE; MA MINGLIANG; WANG KUN |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080528 Termination date: 20100807 |