CN202085407U - Brazing filler metal turbulent flow wave crest generator - Google Patents
Brazing filler metal turbulent flow wave crest generator Download PDFInfo
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- CN202085407U CN202085407U CN2011201800862U CN201120180086U CN202085407U CN 202085407 U CN202085407 U CN 202085407U CN 2011201800862 U CN2011201800862 U CN 2011201800862U CN 201120180086 U CN201120180086 U CN 201120180086U CN 202085407 U CN202085407 U CN 202085407U
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- solder
- water conservancy
- filler metal
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Abstract
The utility model relates to a wave crest welder, in particular to a brazing filler metal turbulent flow wave crest generator, which is characterized by comprising a flow guider, a rectifier, a flow stabilizer and an erupting device. The flow guider is composed of a guide groove, a guide screen, a guide board, a guide tube and a centrifugal pump. The rectifier consists of a rectifying cavity and a rectifying net. The flow stabilizer is a flow-stabilizing cavity. The erupting device consists of a base and a nozzle. The brazing filler metal turbulent flow wave crest generator effectively tidies and controls brazing filler metal during the operation so as to generate even and continuous fluid state brazing filler metal with appropriate impact force, enables the fluid state brazing filler metal to have independently protruding wave crest with a certain height, and accordingly adapts to lead-free processing of modern electronic products. Further, high-quality lead-free welding of PCB (printed circuit board) is realized, obvious problems influencing a lead-free welding technology are solved, and requirements for lead-free welding operation of the PCB are met.
Description
Technical field
The utility model relates to crest welder, says it is the unleaded processing procedure of a kind of adaptation modern electronic product in detail, realizes the high solder flow-disturbing peak generator of pb-free solder quality of PCB.
Background technology
As everyone knows, lead is noxious substance, and for protecting environment and promoting health, countries in the world by law, forbid using solder containing lead in manufacturing industry such as electronics, automobile and aircraft.Along with the progress of Chinese economic development, society, the Chinese government makes the unleaded relevant law of having formulated to product.Solve the unleaded processing procedure of electronic product manufacturing industry, solve the unleaded problem of solder with regard to needs, and the lead-free alloy solder has been compared following three aspect unfavorable factors with lead (Sn-Pb) solder alloy is arranged, the one, welding temperature is higher; The 2nd, wetability is relatively poor; The 3rd, stable performance is poor, and is wayward.At the particularity requirement of pb-free solder technology, welding equipment must be eliminated the weld defect that lead-free brazing brings, and could satisfy the performance requirement that pb-free solder possesses.
Tradition has plumbous crest welder solder peak generator, and it is a matrix with the solder pump, and solder by the straight pipe type passage, directly links to each other with the crest spout device after the output of solder pump, passes through Bolt Connection spout cover plate on the crest spout.There are many drawbacks in above-mentioned solder peak generator: the one, and solder pump, this structure of through type passage are unfavorable for forming the impact potential energy of solder crest, and be suddenly big or suddenly small; The 2nd, the solder pump discharge is not provided with the solder air deflector, and it is disorderly that solder is discharged back liquid stream; The 3rd, be not provided with the solder rectifier in the crest spout, cause the solder in the crest spout still to be in disturbance state, can not form independently columnar protrusions crest effectively, the crest instability.Above structure can not guarantee the requirement that the solder crest that forms is even, continuous, impulsive force is suitable, this pb-free solder quality to printed circuit board (PCB) (hereinafter to be referred as PCB) causes very big unsteadiness, particularly to the very easily company's of causing weldering and leak the weldering phenomenon of the welding of the IC device of small IC device and many pins, goods fraction defective, repair rate are very high, be unfavorable for improving the assembling quality of PCB, and then influence the q﹠r of electronic product
Summary of the invention
The utility model is at the deficiencies in the prior art, propose a kind ofly can to form evenly, continuously, solder flow-disturbing peak generator that impulsive force is suitable.
The utility model can reach by following measure.
A kind of solder flow-disturbing peak generator is characterized in that being made up of air deflector, rectifier, flow straightener and eruption device,
Air deflector wherein is by diversion groove, the water conservancy diversion net, baffler, mozzle and centrifugal pump are formed, diversion groove is provided with the water conservancy diversion net, the diversion groove front end is provided with baffle plate, the diversion groove rear end is connected with mozzle, the mozzle other end is provided with centrifugal pump, be furnished with baffler in the diversion groove, the baffler upper end contacts with the water conservancy diversion net, two ends are connected with the diversion groove both sides, the lower end edge diversion groove is by front end to rear end and shortens shape gradually, and air deflector makes liquid solder through behind the baffler, has slowed down impulsive force, make again liquid solder from horizontal flow to the flow direction that is transformed to upwards, enter diversion cavity by the water conservancy diversion net again and make liquid solder basicly stable.
Rectifier wherein is made up of rectifying cavity and screens, the rectifying cavity lower end is connected with the diversion groove openend, be provided with the screens that parallels with the water conservancy diversion net in the rectifying cavity, screens divides goes up screens and following screens, last screens and following screens parallel, air deflector and water conservancy diversion net are vertical configuration, and the balanced liquid solder pressure of rectifying cavity makes liquid solder become steady.
Flow straightener wherein is a current stabilization chamber, lower end, current stabilization chamber is connected with the rectifier upper end, and the spacing of two sides, upper end, current stabilization chamber is less than the spacing of two sides, lower end, and the liquid solder of secondary rectification enters in the current stabilization chamber, make liquid solder temperature, pressure evenly, continuously, impulsive force is suitable.
Eruption device wherein is made up of pedestal and nozzle, pedestal is a plate body that is connected with the flow straightener upper end, pedestal is provided with nozzle bore, the individual nozzle of projecting plate face is housed in the nozzle bore, lasting to form, liquid solder is formed have the crest of certain altitude and individual bumps shape with stablizing, have impulsive force, having solved influences pb-free solder technology outstanding problem, has satisfied the requirement of the pb-free solder operation of PCB.
The utility model is carried out effectively arrangement, control to solder in running, form the liquid solder even, continuous, that impulsive force is suitable, make liquid solder can form crest with certain altitude and individual bumps shape, adapt to the unleaded processing procedure of modern electronic product, realize the pb-free solder quality height of PCB, having solved influences pb-free solder technology outstanding problem, has satisfied the requirement of the pb-free solder operation of PCB.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the A-A profile of Fig. 1.
Fig. 3 is a kind of structural representation of rectifier in the utility model.
Fig. 4 is the another kind of structural representation of flow straightener in the utility model.
Fig. 5 is the C-C profile of Fig. 4.
Fig. 6 is the front schematic view of the eruption device in the utility model.
Fig. 7 is the D-D profile of Fig. 6.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
A kind of solder flow-disturbing peak generator is characterized in that being made up of air deflector 1, rectifier 2, flow straightener 3 and eruption device 4.
Air deflector 1 in the utility model is by diversion groove 5, water conservancy diversion net 6, baffler 7, mozzle 8 and centrifugal pump 9 are formed, diversion groove 5 is provided with water conservancy diversion net 6, water conservancy diversion, 6 is uniform round-meshed flat board, diversion groove 5 front ends are provided with baffle plate 10, diversion groove 5 rear ends are connected with mozzle 8, mozzle 8 other ends are provided with centrifugal pump 9, the cross section of diversion groove 5 and mozzle 8 is square, be furnished with baffler 7 in the diversion groove 5, baffler 7 upper ends contact with water conservancy diversion net 6 or weld, two ends are connected with diversion groove 5 both sides or contact, lower end edge diversion groove 5 is by front end to rear end and shortens shape gradually, and air deflector 1 makes liquid solder through behind the baffler, has slowed down impulsive force, make again liquid solder from horizontal flow to the flow direction that is transformed to upwards, enter diversion cavity by water conservancy diversion net 6 again and make liquid solder basicly stable, solder by the square tube type passage, is equipped with air deflector in its exit after 9 outputs of solder centrifugal pump.Air deflector by side plate, water conservancy diversion net and baffler by being welded.Baffler is that riser different in size constitutes, evenly distribute along the discharging opening direction, and be arranged in straight line, the water conservancy diversion net is uniform round-meshed flat board, side plate seals, and the air deflector of this patent makes liquid solder through behind the baffler, has slowed down impulsive force, make again liquid solder from horizontal flow to the flow direction that is transformed to upwards, enter diversion cavity by the water conservancy diversion net again and make liquid solder basicly stable.
Rectifier 2 in the utility model is made up of rectifying cavity 21 and screens, rectifying cavity 21 lower ends are connected with diversion groove 5 openends, (square) matches with diversion groove 5 in its cross section, be provided with the screens that parallels with water conservancy diversion net 6 in the rectifying cavity 21, screens divides goes up screens 22 and following screens 23, and last screens 22 and following screens 23 parallel, and screens is for being evenly equipped with the flat board in circular hole (or other shape hole), the balanced liquid solder pressure of rectifying cavity makes liquid solder become more steady.
Eruption device 4 in the utility model is made up of pedestal 41 and nozzle 42, pedestal 1 is a plate body (plate body flanging that is connected with the flow straightener upper end, to be connected) with the flow straightener upper end, pedestal 41 is provided with nozzle bore, the individual nozzle 42 of projecting plate face is housed in the nozzle bore, nozzle 42 is staggered array-like on pedestal, lasting to form, liquid solder is formed have the crest of certain altitude and individual bumps shape with stablizing, have impulsive force, having solved influences pb-free solder technology outstanding problem, has satisfied the requirement of the pb-free solder operation of PCB.
The utility model is carried out effectively arrangement, control to solder in running, form the liquid solder even, continuous, that impulsive force is suitable, make liquid solder can form crest with certain altitude and individual bumps shape, adapt to the unleaded processing procedure of modern electronic product, realize the pb-free solder quality height of PCB, having solved influences pb-free solder technology outstanding problem, has satisfied the requirement of the pb-free solder operation of PCB.
Claims (7)
1. solder flow-disturbing peak generator, it is characterized in that by air deflector, rectifier, flow straightener and eruption device are formed, air deflector wherein is by diversion groove, the water conservancy diversion net, baffler, mozzle and centrifugal pump are formed, diversion groove is provided with the water conservancy diversion net, the diversion groove front end is provided with baffle plate, the diversion groove rear end is connected with mozzle, the mozzle other end is provided with centrifugal pump, be furnished with baffler in the diversion groove, rectifier wherein is made up of rectifying cavity and screens, the rectifying cavity lower end is connected with the diversion groove openend, be provided with screens in the rectifying cavity, flow straightener wherein is a current stabilization chamber, and lower end, current stabilization chamber is connected with the rectifier upper end, and the spacing of two sides, upper end, current stabilization chamber is less than the spacing of two sides, lower end, eruption device wherein is made up of pedestal and nozzle, pedestal is a plate body that is connected with the flow straightener upper end, and pedestal is provided with nozzle bore, and the individual nozzle of projecting plate face is housed in the nozzle bore.
2. a kind of solder flow-disturbing peak generator according to claim 1 is characterized in that baffler upper end is connected with the water conservancy diversion net, and two ends are connected with the diversion groove both sides, and the lower end edge diversion groove is by front end to rear end and evenly shortens shape gradually.
3. a kind of solder flow-disturbing peak generator according to claim 1 is characterized in that air deflector and water conservancy diversion net are vertical configuration.
4. a kind of solder flow-disturbing peak generator according to claim 1 is characterized in that the water conservancy diversion net is uniform round-meshed flat board.
5. a kind of solder flow-disturbing peak generator according to claim 1 is characterized in that screens parallels with the water conservancy diversion net in the rectifying cavity.
6. a kind of solder flow-disturbing peak generator according to claim 1 is characterized in that screens divides upward screens and following screens, and last screens and following screens parallel.
7. a kind of solder flow-disturbing peak generator according to claim 1 is characterized in that nozzle is staggered array-like on pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201800862U CN202085407U (en) | 2011-05-31 | 2011-05-31 | Brazing filler metal turbulent flow wave crest generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201800862U CN202085407U (en) | 2011-05-31 | 2011-05-31 | Brazing filler metal turbulent flow wave crest generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202085407U true CN202085407U (en) | 2011-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201800862U Expired - Fee Related CN202085407U (en) | 2011-05-31 | 2011-05-31 | Brazing filler metal turbulent flow wave crest generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202085407U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102223770A (en) * | 2011-05-31 | 2011-10-19 | 威海信诺威电子设备有限公司 | Brazing filler metal turbulent flow wave crest generator |
| CN104339060A (en) * | 2013-07-23 | 2015-02-11 | 深圳市堃琦鑫华股份有限公司 | Jet-flow welding method |
-
2011
- 2011-05-31 CN CN2011201800862U patent/CN202085407U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102223770A (en) * | 2011-05-31 | 2011-10-19 | 威海信诺威电子设备有限公司 | Brazing filler metal turbulent flow wave crest generator |
| CN104339060A (en) * | 2013-07-23 | 2015-02-11 | 深圳市堃琦鑫华股份有限公司 | Jet-flow welding method |
| CN104339060B (en) * | 2013-07-23 | 2016-04-13 | 深圳市堃琦鑫华股份有限公司 | A kind of jet flow welding method |
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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: 20111221 Termination date: 20170531 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |