CN104010452A - Power field-effect transistor welding method - Google Patents
Power field-effect transistor welding method Download PDFInfo
- Publication number
- CN104010452A CN104010452A CN201310709827.5A CN201310709827A CN104010452A CN 104010452 A CN104010452 A CN 104010452A CN 201310709827 A CN201310709827 A CN 201310709827A CN 104010452 A CN104010452 A CN 104010452A
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- circuit board
- printed circuit
- copper bar
- pcb
- power field
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Abstract
The invention discloses a power field-effect transistor welding method, which belongs to the technical field of electrical components. The power field-effect transistor welding method comprises the step of welding a copper strip on a printed circuit board with a copper strip welding fixture and the step of welding a power field-effect transistor on the printed circuit board with a power field-effect transistor welding fixture. Welding of the power field-effect transistor is completed through fixation by the special welding fixtures before set assembling, the whole welding process is automatic, and the produced product is light, durable, and low in cost. The difficulty of the production assembly process is reduced, the overall assembly efficiency is improved, the product consistency is improved, and stable and reliable product quality is ensured.
Description
Technical field
The present invention relates to electric elements technical field, especially a kind of welding method of power field effect pipe.
Background technology
In the production process of the direct current separately excited motor controller of electric automobile, need on printed circuit board (PCB), weld copper bar and power field effect pipe, copper bar one long side has sharp portion, one end has bending part, on copper bar bending part, offers the through hole that installs alignment pin; On printed circuit board (PCB), offer multiple for installing copper bar sharp portion and installing multiple through holes of power field effect pipe pin; Its printed circuit board (PCB) production process complexity, the welding method of prior art, be in general assembly process with manually welding field effect transistor, the method for this welding can cause: 1, welding process exist Electrostatic Hidden Troubles easily cause printed circuit board (PCB) electronic device lost efficacy, be difficult to control product quality; 2, manual welding also easily causes rosin joint, solder skip and can not carry out accurate positioning welding to field effect transistor, and whole process efficiency is very low; 3, the temperature in welding process, the welding of copper bar being needed is higher, not only easily causes scald, and the problem of manual fixing copper bar poor stability.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of welding method of power field effect pipe, and the welding method of this power field effect pipe can solve the problem of locating inaccuracy, the poor stability causing, rosin joint, solder skip in artificial welding process and human body easily being caused to the injury of scald.
In order to address the above problem, the technical solution adopted in the present invention is: the welding method of this power field effect pipe, comprises and utilize copper bar weld jig that copper bar is welded on to the part on printed circuit board (PCB) and utilizes power field effect pipe weld jig that power field effect pipe is welded on to the part on printed circuit board (PCB); Copper bar weld jig comprises base plate, on described base plate, a side is provided with at least 2 the 3rd alignment pins for locating described printed circuit board (PCB), on described base plate, a side is provided with by cushion block described copper bar is clamped in to the geometrical clamp on described printed circuit board (PCB), described geometrical clamp has geometrical clamp main body and is arranged on the arm body stretching out to gripping object direction level of described geometrical clamp main body middle and lower part, on described arm body, is provided with chuck; Between the 3rd nearest alignment pin of the described geometrical clamp main body of distance and described geometrical clamp main body, be provided with the first positioning seat, described the first positioning seat upper end is connected with the first alignment pin; Power field effect pipe weld jig comprises backplate, the both sides that described backplate is relative are provided with side plate, on described side plate, offer the tapped through hole of location power field effect pipe, described side plate has the bending part extending internally, on the outer face of described bending part, be provided with at least 2 the second positioning seats, described the second positioning seat upper end is connected with the second alignment pin; On described printed circuit board (PCB), offer the positioning through hole corresponding at least 2 the second alignment pins and at least 2 the 3rd alignment pins;
Its operating procedure is as follows:
The first step: utilize copper bar weld jig that copper bar is welded on printed circuit board (PCB)
A, printed circuit board (PCB) have the copper face of covering and printing surface, and the 3rd alignment pin on described copper bar weld jig base plate is inserted the positioning through hole corresponding with it and located from the printing surface of printed circuit board (PCB);
B, perverse the point of copper bar portion is vertically inserted through multiple through holes corresponding with it from the copper face that covers of a step gained printed circuit board (PCB), and will described the first alignment pin insert in the through hole of copper bar bending part and locate;
C, between the chuck of described fixing clamp arm body and copper bar, place cushion block, cushion block and copper bar are compressed with described chuck;
D, use 800W～1000W bonding machine are to its automatic welding;
Second step: utilize power field effect pipe weld jig that power field effect pipe is welded on printed circuit board (PCB)
E, the printed circuit board (PCB) that copper bar in first step has been welded take out from copper bar weld jig;
F, the one side that the second alignment pin on described power field effect pipe weld jig backplate is had to a copper bar from the printed circuit board (PCB) of e step gained are inserted the positioning through hole corresponding with it and are located;
G, between the side plate and copper bar of f step gained printed circuit board (PCB), by power field effect pipe pin insert through in the printed circuit board through-hole corresponding with it;
H, the power field effect pipe described in screw crimping that interts in described tapped through hole are located;
I, the entirety of h step is put into crest automatic welding furnace carry out high-temperature soldering, to obtain final product.
Owing to having adopted technique scheme, the present invention compared with prior art has following beneficial effect:
1, the welding fixture special that the present invention uses, has reduced the difficulty of production assembling process, has not only improved the quality of product, and the product of producing is Portable durable, low price also.
2, the present invention had completed the welding to power field effect pipe before general assembly, had improved whole efficiency of assembling.
3, the present invention passes through the fixing of fixture, and whole welding process has realized automatic welding, has improved the consistency of product, has ensured stable and reliable product quality.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment of the present invention copper bar weld jig.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the structural representation of embodiment of the present invention power field effect pipe weld jig.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 is the right view of Fig. 3.
Embodiment
Below in conjunction with accompanying drawing embodiment, the invention will be further described:
Copper bar weld jig shown in Fig. 1 comprises base plate 1, on base plate 1, a side is provided with 4 the 3rd alignment pin 1-1 for positioning printing circuit board 2, on base plate 1, a side is provided with by cushion block 5 copper bar 4 is clamped in to the geometrical clamp 3 on printed circuit board (PCB) 2, geometrical clamp 3 has geometrical clamp main body 3-3 and is arranged on an arm body 3-1 who stretches out to gripping object direction level of geometrical clamp main body 3-3 middle and lower part, on arm body 3-1, is provided with chuck 3-2; Between three alignment pin nearest apart from geometrical clamp main body and geometrical clamp main body 3-3, be provided with the first positioning seat 1-2, the first positioning seat 1-2 upper end is connected with the first alignment pin 1-3; Copper bar 4 one long sides have sharp portion, one end has bending part, offer the through hole that installs the first alignment pin 1-3 on bending part;
Power field effect pipe weld jig shown in Fig. 2 comprises backplate 9, the both sides that backplate 9 is relative are provided with side plate 6, on side plate 6, offer the multiple tapped through hole 6-1 for locating power field effect pipe, side plate 6 has the bending part extending internally, on the outer face of bending part, be provided with 4 the second positioning seat 7, the second positioning seat 7 upper ends and be connected with 4 the second alignment pins 8;
On printed circuit board (PCB), offer corresponding to 8 positioning through hole of 8 and 4 the 3rd alignment pin 1-1 of 4 the second alignment pins, also offer for installing copper bar 4 and installing multiple through holes of power field effect pipe 10 pins;
Its operating procedure is as follows:
The first step: utilize copper bar weld jig that copper bar is welded on printed circuit board (PCB)
A, printed circuit board (PCB) have the copper face of covering and printing surface, and the 3rd alignment pin on described copper bar weld jig base plate is inserted the positioning through hole corresponding with it and located from the printing surface of printed circuit board (PCB);
B, perverse the point of 2 copper bars portion is vertically inserted through multiple through holes corresponding with it from the copper face that covers of a step gained printed circuit board (PCB), and locate inserting respectively corresponding to 2 the first alignment pin 1-3 of copper bar bending part in the through hole of 2 copper bar bending parts;
C, between the chuck 3-2 of copper bar weld jig geometrical clamp 3 arm body 3-1 and copper bar 4, place cushion block 5, cushion block 5 and copper bar 4 are compressed with chuck 3-2;
D, use 800W～1000W bonding machine are to its automatic welding;
Second step: utilize power field effect pipe weld jig that power field effect pipe is welded on printed circuit board (PCB)
E, the printed circuit board (PCB) that copper bar in first step has been welded take out from copper bar weld jig;
F, the one side that 4 the second alignment pins 8 on power field effect pipe weld jig backplate are had to a copper bar from the printed circuit board (PCB) of e step gained are inserted the positioning through hole corresponding with it and are located;
G, between the side plate 6 and copper bar 4 of f step gained printed circuit board (PCB), by multiple power field effect pipe 10 pins respectively insert through in multiple through holes corresponding with it on printed circuit board (PCB);
H, the screw crimping power field effect pipe 10 that interts in tapped through hole 6-1, be located;
I, the entirety of h step is put into crest automatic welding furnace carry out high-temperature soldering, to obtain final product.
The welding fixture special that the present invention uses, by the fixing of fixture and completed the welding to power field effect pipe before general assembly, whole welding process has realized automatic welding, product Portable durable, the low price produced; Not only reduce the difficulty of production assembling process, improved whole efficiency of assembling, also improved the consistency of product, ensured stable and reliable product quality.
Claims (1)
1. a welding method for power field effect pipe, is characterized in that: comprise and utilize copper bar weld jig that copper bar is welded on to the part on printed circuit board (PCB) and utilizes power field effect pipe weld jig that power field effect pipe is welded on to the part on printed circuit board (PCB); Copper bar weld jig comprises base plate, on described base plate, a side is provided with at least 2 the 3rd alignment pins for locating described printed circuit board (PCB), on described base plate, a side is provided with by cushion block described copper bar is clamped in to the geometrical clamp on described printed circuit board (PCB), described geometrical clamp has geometrical clamp main body and is arranged on the arm body stretching out to gripping object direction level of described geometrical clamp main body middle and lower part, on described arm body, is provided with chuck; Between the 3rd nearest alignment pin of the described geometrical clamp main body of distance and described geometrical clamp main body, be provided with the first positioning seat, described the first positioning seat upper end is connected with the first alignment pin; Power field effect pipe weld jig comprises backplate, the both sides that described backplate is relative are provided with side plate, on described side plate, offer the tapped through hole of location power field effect pipe, described side plate has the bending part extending internally, on the outer face of described bending part, be provided with at least 2 the second positioning seats, described the second positioning seat upper end is connected with the second alignment pin; On described printed circuit board (PCB), offer the positioning through hole corresponding at least 2 the second alignment pins and at least 2 the 3rd alignment pins;
Its operating procedure is as follows:
The first step: utilize copper bar weld jig that copper bar is welded on printed circuit board (PCB)
A, printed circuit board (PCB) have the copper face of covering and printing surface, and the 3rd alignment pin on described copper bar weld jig base plate is inserted the positioning through hole corresponding with it and located from the printing surface of printed circuit board (PCB);
B, perverse the point of copper bar portion is vertically inserted through multiple through holes corresponding with it from the copper face that covers of a step gained printed circuit board (PCB), and will described the first alignment pin insert in the through hole of copper bar bending part and locate;
C, between the chuck of described fixing clamp arm body and copper bar, place cushion block, cushion block and copper bar are compressed with described chuck;
D, be that 800W～1000W bonding machine is to its automatic welding with power;
Second step: utilize power field effect pipe weld jig that power field effect pipe is welded on printed circuit board (PCB)
E, the printed circuit board (PCB) that copper bar in first step has been welded take out from copper bar weld jig;
F, the one side that the second alignment pin on described power field effect pipe weld jig backplate is had to a copper bar from the printed circuit board (PCB) of e step gained are inserted the positioning through hole corresponding with it and are located;
G, between the side plate and copper bar of f step gained printed circuit board (PCB), by power field effect pipe pin insert through in the printed circuit board through-hole corresponding with it;
H, the power field effect pipe described in screw crimping that interts in described tapped through hole are located;
I, the entirety of h step is put into crest automatic welding furnace carry out high-temperature soldering, to obtain final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310709827.5A CN104010452B (en) | 2013-12-21 | 2013-12-21 | The welding method of power field effect pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310709827.5A CN104010452B (en) | 2013-12-21 | 2013-12-21 | The welding method of power field effect pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104010452A true CN104010452A (en) | 2014-08-27 |
| CN104010452B CN104010452B (en) | 2017-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310709827.5A Active CN104010452B (en) | 2013-12-21 | 2013-12-21 | The welding method of power field effect pipe |
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| Country | Link |
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| CN (1) | CN104010452B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI660655B (en) * | 2018-08-10 | 2019-05-21 | 科嶠工業股份有限公司 | PCB frame clip type bracket and method for carrying PCB by using the bracket |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101170872A (en) * | 2007-11-21 | 2008-04-30 | 中兴通讯股份有限公司 | A power amplifier component and its manufacturing method |
| CN101207975A (en) * | 2006-12-20 | 2008-06-25 | 英业达股份有限公司 | Welding fixture of circuit board |
| US20090134204A1 (en) * | 2005-12-28 | 2009-05-28 | Masahiko Kimbara | Soldering Method and Semiconductor Module Manufacturing Method |
-
2013
- 2013-12-21 CN CN201310709827.5A patent/CN104010452B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090134204A1 (en) * | 2005-12-28 | 2009-05-28 | Masahiko Kimbara | Soldering Method and Semiconductor Module Manufacturing Method |
| CN101207975A (en) * | 2006-12-20 | 2008-06-25 | 英业达股份有限公司 | Welding fixture of circuit board |
| CN101170872A (en) * | 2007-11-21 | 2008-04-30 | 中兴通讯股份有限公司 | A power amplifier component and its manufacturing method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI660655B (en) * | 2018-08-10 | 2019-05-21 | 科嶠工業股份有限公司 | PCB frame clip type bracket and method for carrying PCB by using the bracket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104010452B (en) | 2017-03-15 |
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Effective date of registration: 20170106 Address after: No. 19 A District 545006 building the Guangxi Zhuang Autonomous Region Liuzhou Liu Dong New Area chuyang road 3 No. 151 (hi tech Zone) Applicant after: Guangxi Liuzhou Zhongjia Intellectual Property Service Co., Ltd. Address before: Liunan District, Liuzhou City, the Guangxi Zhuang Autonomous Region No. 18 545000 Applicant before: Liuzhou Cole's Digitized Manufacturing Technology company limited |
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Effective date of registration: 20201126 Address after: 535000 office building, Qinbei economic and Technological Development Zone, zone 1, Huangma Industrial Park, Qinbei District, Qinzhou City, Guangxi Zhuang Autonomous Region Patentee after: Qinzhou real horse Asset Management Group Co., Ltd Address before: No. 19 A District 545006 building the Guangxi Zhuang Autonomous Region Liuzhou Liu Dong New Area chuyang road 3 No. 151 (hi tech Zone) Patentee before: GUANGXI LIUZHOU ZHONGJIA INTELLECTUAL PROPERTY RIGHTS SERVICE Co.,Ltd. |