CN102509991B - Solder fixing device and method for fixing terminal and solder by using same - Google Patents
Solder fixing device and method for fixing terminal and solder by using same Download PDFInfo
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- CN102509991B CN102509991B CN 201110376933 CN201110376933A CN102509991B CN 102509991 B CN102509991 B CN 102509991B CN 201110376933 CN201110376933 CN 201110376933 CN 201110376933 A CN201110376933 A CN 201110376933A CN 102509991 B CN102509991 B CN 102509991B
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- scolder
- obturator
- terminal
- movable block
- liquid
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Abstract
The invention relates to a solder fixing device and a method for fixing a terminal and a solder by using the same. The solder fixing device comprises a sealing device for sealing at least a part of a terminal but enabling a welding part of the terminal to expose outside the sealing device, a container internally provided with a liquid solder, and a moveable block, wherein the movable block forms a receiving chamber together with the sealing device when the moveable block is tightly closed with the sealing device. The terminal is placed in the sealing device and the welding part is exposed outside the sealing device. Under the condition that the at least part of the terminal is sealed in the sealing device while the welding part is exposed outside, the sealing device together with the welding part are dipped into the liquid solder and the moveable block is tightly closed with the sealing device. The at least part of welding part and at least part of the liquid solder are located together in the receiving chamber, and the at least part of separated and cured welding part is fixedly provided with the terminal of the at least part of solder.
Description
Technical field
The present invention relates to a kind of scolder fixture and utilize the method for this device fixed terminal and scolder, particularly a kind ofly can prevent from climbing the terminal of tin and the fixing means of tin ball.
Background technology
A known electric connector, comprise a body that is provided with a plurality of accepting holes, and be fixedly arranged on a plurality of terminals in a plurality of described accepting holes, described terminal comprises a junction, described connecting portion extends to form a weld part downwards, a plurality of scolder correspondences be fixed in described accepting hole and respectively with described termination contact.
Wherein, the fixed form of scolder and terminal has two kinds of folder ball and preweldings.So-called folder ball utilizes inwall and the described tin ball of the common clamping of described terminal of described accepting hole exactly, or utilizes the structure of described terminal setting itself to come the described tin ball of clamping, makes described tin ball can not drop.So-called prewelding, it has comprised the tin sticky mode, and the tin sticky mode is exactly that described scolder is heated to fusing point or the temperature more than fusing point, make the described scolder shape that is in a liquid state, then described weld part is inserted in described scolder, last cooled and solidified is fixed together described scolder and described weld part.
Yet, utilize inwall and the described scolder of the common clamping of described terminal of described accepting hole, when it is carried out heat treated, described scolder meeting expanded by heating, and then described accepting hole is produced extruding, make described body distortion, and the structure of utilizing described terminal itself to arrange is come the described scolder of clamping, the described scolder of more complicated ability clamping that described terminal need to design, so cost is higher; When utilizing the tin sticky mode, due to the described scolder shape that is in a liquid state, therefore to the affinity of described terminal greater than the gravitation between described scolder, cause climbing the generation of tin phenomenon, affect the normal use of terminal.During with the fixing described terminal of tin sticky mode and described scolder, can not guarantee to have at last enough solder attachment on described weld part, cause not prison welding solid in welding process because described scolder is very few, or because the scolder on described weld part is very few, make the weld part rigidity excessive, the situation of scratch circuit board when welding.
Given this, be necessary to provide in fact the fixed form of a kind of improved terminal and scolder, to overcome defective of the prior art.
Summary of the invention
For the variety of problems that background technology faces, the object of the present invention is to provide a kind of scolder fixture and utilize the method for this device fixed terminal and scolder.
To achieve these goals, the present invention adopts following technical scheme:
A kind of scolder fixture is used for scolder is fixed in terminal, and it comprises: an obturator is used at least a portion of an airtight terminal but a weld part of described terminal is exposed to outside described obturator; One container is provided with a liquid scolder in described container; And a movable block, when described movable block and described obturator tight closure, with the common host cavity that forms of described obturator.in the situation that at least part of described terminal be enclosed within described obturator in and described weld part to be exposed to described obturator outer, described obturator immerses in liquid described scolder together with described weld part, described movable block and described obturator tight closure, at least part of described weld part and liquid at least part of described scolder are co-located in described host cavity, then with described weld part, the described scolder of the liquid state in described movable block and described host cavity separates with the described scolder of liquid state in described container, after the described solder solidification of the liquid state in described host cavity, remove described obturator and described movable block, obtain the terminal that at least part of described weld part is fixed with at least part of described scolder.
A kind ofly utilize above-mentioned scolder fixture to carry out the fixing method of terminal and scolder, it comprises the following steps: described terminal is placed in described obturator, and described weld part is exposed to outside described obturator; Described weld part is immersed in liquid described scolder; With described movable block and described obturator tight closure, make at least part of described weld part and liquid at least part of described scolder be positioned at described host cavity; At least part of described scolder liquid in described weld part, described movable block and described host cavity is separated with the described scolder of liquid state in described container; At least part of described scolder liquid in described host cavity is cured makes it become solid-state at least part of described scolder, and be fixed in described weld part; And remove described obturator and described movable block, obtain the terminal that at least part of described weld part is fixed with at least part of described scolder.
Compared with prior art, the fixing means of terminal of the present invention and scolder is placed at least a portion of described terminal in described obturator, described obturator has separated at least a portion and the described weld part of described terminal effectively, because of described obturator closure high, therefore liquid described scolder can't enter in described obturator, make liquid described scolder only be attached on described weld part, thereby effectively prevent from climbing the tin phenomenon.
Further, extend upward a junction from described weld part and be positioned at described obturator; Extend upward a contact site from described connecting portion, described contact site is in described obturator; Described terminal extends upward a contact site from described connecting portion, and described contact site is exposed to outside described obturator; The bottom surface of described obturator and the end face of described movable block are fitted; Described obturator comprises one first main body and one second main body, there is drop in the bottom surface of the bottom surface of described the first main body and described the second main body and forms a breach, at least part of described welding position is in described breach, at least part of described movable block is positioned at described breach, coordinates with described obturator; Described host cavity is arranged with by described obturator and forms; Described obturator and described movable block are equipped with recess, and described recess complements each other to form described host cavity; Before described weld part immersed liquid described scolder, described movable block had been arranged in liquid described scolder; Described movable block is with after described obturator coordinates, then immerses in liquid described scolder together.
For ease of all further understanding and understanding being arranged to purpose of the present invention, shape, structure, feature and effect thereof, now elaborate with accompanying drawing in conjunction with the embodiments.
[description of drawings]
Fig. 1 is scolder fixture of the present invention and the flow chart that utilizes the method for this device fixed terminal and scolder;
Fig. 2 is pack into the schematic diagram of obturator of terminal in scolder fixture of the present invention and the method for utilizing this device fixed terminal and scolder;
Fig. 3 is the schematic diagram that in scolder fixture of the present invention and the method for utilizing this device fixed terminal and scolder, weld part immerses liquid scolder;
Fig. 4 is the schematic diagram that in scolder fixture of the present invention and the method for utilizing this device fixed terminal and scolder, the liquid scolder of movable block extruding enters host cavity;
Fig. 5 is the schematic diagram that obturator and the movable block in scolder fixture of the present invention and the method for utilizing this device fixed terminal and scolder separates from the scolder of liquid state;
Fig. 6 is the schematic diagram that in scolder fixture of the present invention and the method for utilizing this device fixed terminal and scolder, scolder is fixed in weld part;
Fig. 7 is pack into the schematic diagram of obturator of terminal in scolder fixture of the present invention and another embodiment of method that utilizes this device fixed terminal and scolder;
Fig. 8 is the schematic diagram that in scolder fixture of the present invention and another embodiment of method that utilizes this device fixed terminal and scolder, the liquid scolder of movable block extruding enters host cavity;
Fig. 9 is the schematic diagram that in scolder fixture of the present invention and another embodiment of method that utilizes this device fixed terminal and scolder, obturator and movable block separate from the scolder of liquid state;
Figure 10 is the schematic diagram that in scolder fixture of the present invention and another embodiment of method that utilizes this device fixed terminal and scolder, scolder is fixed in weld part.
Terminal 1 connecting portion 11 weld part 12 contact sites 13
The second main body 32 second recess 321 container 4 spatial accommodations 41
Drop A
[embodiment]
The invention will be further described below in conjunction with the drawings and specific embodiments:
Please refer to Fig. 2, scolder fixture of the present invention comprises an obturator 3, at least a portion that described obturator 3 can an airtight terminal 1; One container 4 is provided with a liquid scolder 2 in described container 4; And a movable block 5, described movable block 5 is during with described obturator 3 tight closure, with the common host cavities 6 that form of described obturator 3.
As shown in Figure 2, one obturator 3 is provided, described obturator 3 comprises one first main body 31 and one second main body 32, described the first main body 31 and described the second main body 32 are the airtight cooperation of two-piece type, the length of described the second main body 32 of the Length Ratio of described the first main body 31 is long, be that the bottom surface of described the first main body 31 and the bottom surface in the vertical direction of described the second main body 32 have a drop A, thereby the side in the bottom surface of described the second main body 32 and described the first main body 31 bottoms forms a breach 7, and described weld part 12 parts are positioned at described breach 7.In other embodiments, described obturator 3 is for being symmetrical set, and namely the bottom surface of the bottom surface of described the first main body 31 and the second main body 32 is located along the same line, or integral type, and namely described obturator 3 is non-disconnectable.
A plurality of described terminals 1 are provided, described terminal 1 at least a portion is positioned at described obturator 3, but weld part 12 parts of described terminal 1 are exposed to outside described obturator 3, extend upward a junction 11 from described weld part 12 and be positioned at described obturator 3, extend upward from described connecting portion 11 and form a contact site 13, as shown in Figure 2, described contact site 13 all is arranged in described obturator 3 with described connecting portion 11, and described weld part 12 parts are exposed to described breach 7 places.
As shown in Figure 2, the described container 4 that is provided with liquid described scolder 2 is provided, described weld part 12 parts are immersed in liquid described scolder 2, described container 4 only has a spatial accommodation 41, in other embodiments, described container 4 can be a body (not shown), and a plurality of described spatial accommodations 41 are arranged on described body, and liquid described scolder 2 is arranged at respectively in a plurality of described spatial accommodations 41.
One movable block 5 is provided, as shown in Figure 2 to Figure 3, the end face of described movable block 5 and side fit with the side of the bottom surface of described the second main body 32 and described the first main body 31 bottoms respectively, and the size of described movable block 5 is big or small identical with described breach 7, in other embodiments, as shown in Figure 7, when described obturator 3 is left-right symmetric, be that the bottom surface of described the first main body 31 and the bottom surface of described the second main body 32 are positioned at always online, only fit in the bottom surface of the end face of described movable block 5 and described obturator 3.
as shown in Figure 2 to Figure 3, described the first main body 31 is provided with one first recess 311 in described drop A, the side of described movable block 5 is provided with another recess 51 in the place of described the first recess 311 of correspondence, described the first recess 311 and described another recess 51 complement each other to form described host cavity 6, described weld part 12 parts are positioned at described host cavity 6, in other embodiments, described host cavity 6 can be arranged with separately by described obturator 3 and form, also can be arranged with separately by described movable block 5 and form, described weld part 12 also can all be positioned at described host cavity 6, described host cavity 6 be shaped as circle, can be other shape in other embodiments.
As shown in Figures 2 and 3, first described movable block 5 is placed in described breach 7, coordinate with described obturator 3, this moment, described movable block 5 was positioned at described make position, described weld part 12 parts is wrapped in described host cavity 6, then immerses together in liquid described scolder 2, in another embodiment of the present invention, described movable block 5 has been arranged in liquid described scolder 2 before described weld part 12 immerses liquid described scolder 2, the concrete operations mode is described in detail in next embodiment.
as extremely shown in Figure 5 in Fig. 4, after described movable block 5 and described obturator 3 immerse liquid described scolder 2 together, open described movable block 5, then described movable block 5 moves towards the direction of described the first main body 31, described movable block 5 can be from the side moves to the direction of described obturator 3, also can move from the direction of the described obturator 3 of lower direction, the described scolder 2 of liquid state is clamp-oned in described host cavity 6, fully contact with described weld part 12, in other embodiments, liquid described scolder 2 can not be full of whole described host cavity 6, only need to contact with the described weld part 12 of part to get final product, described movable block 5 again with described obturator 3 closures, again described weld part 12, the described scolder 2 of the liquid state in the described scolder 2 of the liquid state in described movable block 5 and described host cavity 6 and described container 4 separates, then said apparatus is put in air cooling, the described scolder 2 that will be arranged in the liquid state of described host cavity 6 solidifies, make on its fixing and described weld part 12.
As shown in Figure 6, last, remove described obturator 3 and described movable block 5, obtain the described terminal 1 that the described weld part 12 of part is fixed with described scolder 2.
See also Fig. 7 to Figure 10, it is another embodiment of the present invention, described first main body 31 of described obturator 3 and described the second main body 32 left-right symmetric, and the end face of the bottom surface of described obturator 3 and described movable block 5 is fitted.As shown in Figure 7, described connecting portion 11 parts are arranged in described obturator 3, described connecting portion 11 can all be arranged in described obturator 3 in other embodiments, and described contact site 13 is exposed to described obturator 3 tops, and described weld part 12 parts are exposed to described obturator 3 belows.As shown in Figure 7, before described weld part 12 immerses liquid described scolder 2, described movable block 5 has been arranged in liquid described scolder 2, described obturator 3 is provided with described the first recess 311 in the bottom surface of described the first main body 31, be provided with one second recess 321 in the bottom surface of the second main body 32, the end face of described movable block 5 is provided with another recess 51 in the place of described the first recess 311 of correspondence and described the second recess 321.as Fig. 8, described the first recess 311 and described the second recess 321 complement each other to form described host cavity 6 with described another recess 51, described host cavity 6 is circular, described weld part 12 is immersed in liquid described scolder 2, make described movable block 5 begin mobile towards the bottom surface of described obturator 3, liquid described scolder 2 is squeezed in described host cavity 6, liquid described scolder 2 is full of described host cavity 6, described movable block 5 and described obturator 3 closures, then with described weld part 12, the described scolder 2 of the liquid state in described movable block 5 and described host cavity 6 and the described scolder 2 of the liquid state in described container 4 are separated, be placed in air cooling, the described scolder 2 of the liquid state in described host cavity 6 is solidified, be fixed on described weld part 12, remove at last described obturator 3 and described movable block 5, obtain the terminal 1 that the described weld part 12 of part is fixed with described scolder 2.
In sum, scolder fixture of the present invention and utilize the method for this device fixed terminal and scolder to have following beneficial effect:
1. because described connecting portion 11 is positioned at described obturator 3, described obturator 3 has separated described connecting portion 11 and described weld part 12 effectively, because of described obturator 3 closures high, therefore liquid described scolder 2 can't enter in described obturator 3 by described terminal 1, make 2 liquid, described scolder be attached on described weld part 12, thereby effectively prevent from climbing the tin phenomenon.
2. only rely in the tin sticky described weld part 12 liquid towardses described scolder 2 attraction and produce climb tin, thereby make liquid described scolder 2 be fixed in the situation of described weld part 12, due to being arranged in the described host cavity 6 in the present invention, enough spaces accommodate liquid described scolder 2, can guarantee that described weld part 12 is when being soldered to circuit board, can be not solid because of the very few not prison welding that causes of the scolder 2 on described weld part 12, or because the scolder 2 on described weld part 12 is very few, make described weld part 12 rigidity excessive, the situation of scratch circuit board when welding.
3. the shape of liquid described scolder 2 cooling curing in described host cavity 6, so described scolder 2 is the shape of described host cavity 6, thus can change the shape of described host cavity 6, with scolder 2 shapes that obtain being convenient to weld.
4. when described obturator 3 is integral type, described terminal 1 body of packing into will adopt the mode of insertion, but this mode can't guarantee in the closure of the rear described obturator 3 of described terminal 1 of packing into, also may push described terminal 1 in loading procedure, thereby cause described terminal 1 distortion, and described obturator 3 has damage to a certain degree after repeatedly using, therefore described obturator 3 adopts two-piece type, need only when packing into or take out described terminal 1 described obturator 3 is opened, operate easier, can not produce extruding to described terminal 1, can guarantee still has higher closure at the rear described obturator 3 of the described terminal 1 of packing into, increase the useful life of described obturator 3.
The above, it is only preferred embodiment of the present invention, be not to limit the present invention, any within not breaking away from the technical solution of the present invention scope, utilize the technical spirit of above-mentioned announcement to do any simple modification, equivalent variations and modification to above embodiment, all should belong to the scope of the claims that the present invention is contained.
Claims (12)
1. a scolder fixture, be used for scolder is fixed in terminal, it is characterized in that, comprising:
One obturator is used at least a portion of an airtight terminal but a weld part of described terminal is exposed to outside described obturator;
One container is provided with a liquid scolder in described container; And,
One movable block is when described movable block and described obturator tight closure, with the common host cavity that forms of described obturator;
in the situation that at least part of described terminal be enclosed within described obturator in and described weld part to be exposed to described obturator outer, described obturator immerses in liquid described scolder together with described weld part, described movable block and described obturator tight closure, at least part of described weld part and liquid at least part of described scolder are co-located in described host cavity, then with described weld part, the described scolder of the liquid state in described movable block and described host cavity separates with the described scolder of liquid state in described container, after making the described solder solidification of the liquid state in described host cavity, remove described obturator and described movable block, obtain the terminal that at least part of described weld part is fixed with at least part of described scolder.
2. scolder fixture as claimed in claim 1, is characterized in that: extend upward a junction from described weld part and be positioned at described obturator.
3. scolder fixture as claimed in claim 2, it is characterized in that: extend upward a contact site from described connecting portion, described contact site is in described obturator.
4. scolder fixture as claimed in claim 2, it is characterized in that: described terminal extends upward a contact site from described connecting portion, and described contact site is exposed to outside described obturator.
5. scolder fixture as claimed in claim 1, is characterized in that: the bottom surface of described obturator and the applying of the end face of described movable block.
6. scolder fixture as claimed in claim 1, it is characterized in that: described obturator comprises one first main body and one second main body, there is drop in the bottom surface of the bottom surface of described the first main body and described the second main body and forms a breach, at least part of described welding position is in described breach, when described movable block and described obturator tight closure, at least part of described movable block is positioned at described breach.
7. scolder fixture as claimed in claim 1, it is characterized in that: described host cavity is arranged with by described obturator and forms.
8. scolder fixture as claimed in claim 1, it is characterized in that: described host cavity is arranged with by described movable block and forms.
9. scolder fixture as claimed in claim 1, it is characterized in that: described obturator and described movable block are equipped with a recess, and described two recesses complement each other to form described host cavity.
10. a method of utilizing scolder fixture fixed terminal as claimed in claim 1 and scolder, is characterized in that, comprises the following steps:
Described terminal is placed in described obturator, and described weld part is exposed to outside described obturator;
Described weld part is immersed in liquid described scolder;
With described movable block and described obturator tight closure, make at least part of described weld part and liquid at least part of described scolder be positioned at described host cavity;
At least part of described scolder liquid in described weld part, described movable block and described host cavity is separated with the described scolder of liquid state in described container;
At least part of described scolder liquid in described host cavity is cured makes it become solid-state at least part of described scolder, and be fixed in described weld part; And,
Remove described obturator and described movable block, obtain the terminal that at least part of described weld part is fixed with at least part of described scolder.
11. the fixing means of terminal as claimed in claim 10 and scolder is characterized in that: before described weld part immersed liquid described scolder, described movable block had been arranged in liquid described scolder.
12. the fixing means of terminal as claimed in claim 10 and scolder is characterized in that: described movable block is with after described obturator coordinates, then immerses in liquid described scolder together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110376933 CN102509991B (en) | 2011-11-24 | 2011-11-24 | Solder fixing device and method for fixing terminal and solder by using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110376933 CN102509991B (en) | 2011-11-24 | 2011-11-24 | Solder fixing device and method for fixing terminal and solder by using same |
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| Publication Number | Publication Date |
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| CN102509991A CN102509991A (en) | 2012-06-20 |
| CN102509991B true CN102509991B (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110376933 Active CN102509991B (en) | 2011-11-24 | 2011-11-24 | Solder fixing device and method for fixing terminal and solder by using same |
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| CN2379993Y (en) * | 1999-05-07 | 2000-05-24 | 陈明松 | Tin soldering machine |
| CN1282122A (en) * | 1999-07-23 | 2001-01-31 | 广濑电机株式会社 | Electric connector and manufacturing method threrof |
| JP2001267733A (en) * | 2000-03-17 | 2001-09-28 | Mitsumi Electric Co Ltd | Soldering method |
| CN1585211A (en) * | 2004-05-26 | 2005-02-23 | 番禺得意精密电子工业有限公司 | Tin ball fixing method and electric connector thereby |
| CN2724265Y (en) * | 2004-05-17 | 2005-09-07 | 拓洋实业股份有限公司 | Lapping tin ball device for electric connector |
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|---|---|---|---|---|
| JPH0738248A (en) * | 1993-07-16 | 1995-02-07 | Matsushita Electric Ind Co Ltd | Solder coating method for electronic component |
| JPH11273471A (en) * | 1998-03-20 | 1999-10-08 | Sunwell Kk | Automatic brazing method and device for wrapping wire |
| JP4535228B2 (en) * | 2003-08-13 | 2010-09-01 | 株式会社フジクラ | Method and apparatus for filling metal into fine holes |
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2011
- 2011-11-24 CN CN 201110376933 patent/CN102509991B/en active Active
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|---|---|---|---|---|
| CN2379993Y (en) * | 1999-05-07 | 2000-05-24 | 陈明松 | Tin soldering machine |
| CN1282122A (en) * | 1999-07-23 | 2001-01-31 | 广濑电机株式会社 | Electric connector and manufacturing method threrof |
| JP2001267733A (en) * | 2000-03-17 | 2001-09-28 | Mitsumi Electric Co Ltd | Soldering method |
| CN2724265Y (en) * | 2004-05-17 | 2005-09-07 | 拓洋实业股份有限公司 | Lapping tin ball device for electric connector |
| CN1585211A (en) * | 2004-05-26 | 2005-02-23 | 番禺得意精密电子工业有限公司 | Tin ball fixing method and electric connector thereby |
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| JP特开11-273471A 1999.10.08 |
| JP特开2001-267733A 2001.09.28 |
| JP特开2001-35577A 2001.02.09 |
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| JP特开平7-38248A 1995.02.07 |
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| CN102509991A (en) | 2012-06-20 |
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