CN201557329U - Air blow jig for welding wire and repair welding of circuit board - Google Patents
Air blow jig for welding wire and repair welding of circuit board Download PDFInfo
- Publication number
- CN201557329U CN201557329U CN2009202143841U CN200920214384U CN201557329U CN 201557329 U CN201557329 U CN 201557329U CN 2009202143841 U CN2009202143841 U CN 2009202143841U CN 200920214384 U CN200920214384 U CN 200920214384U CN 201557329 U CN201557329 U CN 201557329U
- Authority
- CN
- China
- Prior art keywords
- bonding wire
- welding
- circuit board
- repair welding
- workbench
- 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.)
- Expired - Fee Related
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- Manufacturing Of Printed Wiring (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The utility model relates to an air blow jig for welding wires and repairing welding of a circuit board, which comprises a working bench, wherein the working bench is provided with a plurality of welding wire spots, a barrel is fixed at the edge of the working bench, one end of the barrel is closed, the other end thereof is provided with a welding wire air inlet, and the side wall thereof is provided with a plurality of welding wire air outlets corresponding to the positions of the welding wire spots. The air blow jig can effectively prevent the heat of molten solder from dispersing, effectively solves the problem that the welding wire is easily fused in the welding process, facilitates the operation of workers, reduces the waste of raw materials, and effectively lowers the cost of products.
Description
Technical field
The utility model relates to a kind of air blowing tool that is used for circuit board bonding wire and repair welding.
Background technology
Circuit board components welding procedure of the prior art, at first be that pin with electronic device is installed in printed circuit board (PCB), be on the pcb board, then with electric iron or spot welding machine etc. with the scolding tin heat fused, at last with the bump of molten condition on the solder joint of assigning the electronic device pin on the pcb board, treat electronic device to be fixed on the pcb board after the scolding tin cooling.In above-mentioned technological process, some electronic device, as lead, itself is relatively more fragile, and resistance to elevated temperatures is poor.The scolding tin of the molten condition in the welding process on device pin can be passed to heat the lead of resistance to elevated temperatures difference, is fused possibly after lead etc. are heated.The staff wants SC in the welding process of this class device, troublesome poeration.
The utility model content
The purpose of this utility model provides a kind of air blowing tool that is used for circuit board bonding wire and repair welding, can effectively solve the problem that the bonding wire that exists in the prior art is fused easily.The utility model relates to a kind of air blowing tool that is used for circuit board bonding wire and repair welding, comprise workbench, described workbench is provided with several bonding wire points, the edge of workbench is fixed with a cylindrical shell, the one end sealing of cylindrical shell, the other end is provided with the bonding wire air inlet, and the sidewall of cylindrical shell is provided with several bonding wire ventholes corresponding with bonding wire point position.Described workbench inside is provided with a cavity, and the sidewall of described workbench is provided with the repair welding air inlet, and described worktable upper surface is provided with some LED fixing holes, and described repair welding air inlet is connected with cavity respectively with the LED fixing hole.Described workbench is a cuboid, and described cylindrical shell is a cylinder.The utility model can prevent effectively that the heat of fusion scolding tin from spreading on bonding wire, efficiently solve the problem that bonding wire is fused easily in the welding process, makes things convenient for the staff to operate, and can reduce raw-material waste, effectively reduces product cost.
Description of drawings
Accompanying drawing 1 is an overall structure schematic diagram of the present utility model.
Below in conjunction with accompanying drawing the utility model is described.
Embodiment
The utility model is placed on pcb board to be welded 6 on the workbench earlier at work, and the position of bonding wire overlaps with the bonding wire place on the pcb board, restart outside blower fan, cold air is blown into cylindrical shell from air inlet, and the cylindrical shell other end seals, and cold air can only be produced by boasting from venthole.In the bonding wire welding process, cold air is blowing always, and scolding tin solidifies very soon, and bonding wire can not fused because of the heat that solder joint distributes.
Described workbench inside is provided with a cavity 1, the sidewall of described workbench is provided with repair welding air inlet 7, repair welding air inlet 7 on the workbench sidewall is connected with the little blower fan of outside, described worktable upper surface is provided with some LED fixing holes 8, and described repair welding air inlet is connected with cavity respectively with LED fixing hole 8.After the preliminary welding of pcb board is good, carry out the scarce mending-leakage of looking into of next step.The staff is fixed on worktable upper surface with the PCB circuit board, guarantees that each outstanding electronic device is all in the groove on workbench surface.The staff checks each solder joint, finds out the solder joint that needs repair welding, starts external blower fan, and cold wind flows through in the cavity of workbench, from each groove outflow of workbench top.The staff welded again with the flatiron and the scolding tin solder joint that each is loosening of heating, finished repair welding work.
In process of patch weld, there is cold air to blow over around each electronic device always, can help the solder joint heat radiation, can protect electronic device such as LED can not burnt out.
Claims (4)
1. air blowing tool that is used for circuit board bonding wire and repair welding, comprise workbench, it is characterized in that: described workbench is provided with several bonding wire points, the edge of workbench is fixed with a cylindrical shell, the one end sealing of cylindrical shell, the other end is provided with the bonding wire air inlet, and the sidewall of cylindrical shell is provided with several bonding wire ventholes corresponding with bonding wire point position.
2. a kind of air blowing tool that is used for circuit board bonding wire and repair welding as claimed in claim 1, it is characterized in that: described workbench inside is provided with a cavity, the sidewall of described workbench is provided with the repair welding air inlet, described worktable upper surface is provided with some LED fixing holes, and described repair welding air inlet is connected with cavity respectively with the LED fixing hole.
3. a kind of air blowing tool that is used for circuit board bonding wire and repair welding as claimed in claim 1, it is characterized in that: described workbench is a cuboid.
4. a kind of air blowing tool that is used for circuit board bonding wire and repair welding as claimed in claim 1, it is characterized in that: described cylindrical shell is a cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202143841U CN201557329U (en) | 2009-11-27 | 2009-11-27 | Air blow jig for welding wire and repair welding of circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202143841U CN201557329U (en) | 2009-11-27 | 2009-11-27 | Air blow jig for welding wire and repair welding of circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201557329U true CN201557329U (en) | 2010-08-18 |
Family
ID=42617018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202143841U Expired - Fee Related CN201557329U (en) | 2009-11-27 | 2009-11-27 | Air blow jig for welding wire and repair welding of circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201557329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406634A (en) * | 2013-07-24 | 2013-11-27 | 昆山迈致治具科技有限公司 | Welding and blowing jig for PCB |
-
2009
- 2009-11-27 CN CN2009202143841U patent/CN201557329U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406634A (en) * | 2013-07-24 | 2013-11-27 | 昆山迈致治具科技有限公司 | Welding and blowing jig for PCB |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20141127 |
|
| EXPY | Termination of patent right or utility model |