CN201483178U - Small wave crest cleaning device of crest welder - Google Patents
Small wave crest cleaning device of crest welder Download PDFInfo
- Publication number
- CN201483178U CN201483178U CN200920185952XU CN200920185952U CN201483178U CN 201483178 U CN201483178 U CN 201483178U CN 200920185952X U CN200920185952X U CN 200920185952XU CN 200920185952 U CN200920185952 U CN 200920185952U CN 201483178 U CN201483178 U CN 201483178U
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- crest
- small echo
- active block
- echo peak
- block stop
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Abstract
The utility model discloses a small wave crest cleaning device of a crest welder, which comprises a fixed baffle block (2) fixedly arranged at the upper end of a small wave crest of the crest welder, a movable baffle block (3) connected with a tin bath is arranged on one side of the fixed baffle block, and the fixed baffle block (2) and the movable baffle block (3) form a tin outlet (4) generating the small wave crest; and the device is characterized in that a power device (5) is arranged on the outer side of the movable baffle block (3) and connected with the movable baffle block to drive the movable baffle block to expand. The device with a simple structure is easily made, greatly improves the work efficiency of cleaning tin slags, and can be applied to the technical field of the first-grade wave crest cleaning of a wave soldering machine.
Description
Technical field
The utility model belongs to the tin stove tin flow liquid face Removal Technology field of crest welder, is specifically related to a kind of small echo peak cleaning plant of crest welder.
Background technology
Printed circuit board (PCB) is to be aided with the formed structural member of conductor wirings with insulating materials.When making final products, integrated circuit, electric crystal, diode, passive device (as: resistance, electric capacity, connector etc.) and other various electronic components can be installed on it, be communicated with by lead, can form the electric signal binding and function should be arranged.Printed circuit board is a kind of platform that provides element to link, in order to accept the basis of contact part.
Electronic components commonly used such as the integrated circuit of described printed circuit board (PCB), connection slot, resistance, electric capacity, diode adopt Wave soldering apparatus to finish the contact welding when welding usually.Wave soldering apparatus generally includes molten tin bath, be arranged on the carrier chain of molten tin bath top and at the calvus of the inboard bearer circuit plate of carrier chain, bearer circuit plate between described calvus, described molten tin bath internal medicine is with the scolding tin of the liquid state formation crest of upwards gushing out, when described circuit board passes through this crest successively, the bottom surface of circuit board can contact with this crest and eat tin, the scolding tin of liquid state can be filled in into the contact cavity, makes solder cools solidify the formation solder joint and finishes welding job.
Wave-soldering is used for the history in existing more than 20 year of printed board dress connection, has become a kind of very ripe circuit assembly technology now, is mainly used in the through-hole mounting assembly at present and adopts the welding that mixes the plug-in mounting assembly in the assembling mode.Crest is welded with the branch of single wave-soldering and dual wave soldering.When adopting single wave-soldering, because more serious quality problems appear in " shadow effect " of scolder easily, as leaking defectives such as weldering, bridge joint and weld seam do not enrich.Dual waves has then overcome this problem preferably, significantly reduces to leak defectives such as weldering, bridge joint and weld seam do not enrich, and therefore extensively adopts dual wave soldering technology and equipment at present in surface-assembled.
When wave soldering, pcb board is contact first crest (being also referred to as little crest) earlier, contacts second crest then.First crest flows out " turbulent flow " crest by narrow stannum export, and flow velocity is fast, and assembly is had higher pressure at right angle, makes the weldering end of the components and parts that scolder is little to size, plug-in mounting density is high that permeability preferably be arranged; Fusion welding by turbulent flow is on all direction contact assembly surfaces, thereby improved the wetability of scolder, and overcome because the problem that the complicated shape of components and parts and orientation are brought; Also overcome simultaneously " shadow effect " of scolder.The jet power that turbulent wave makes progress is enough to make solder flux gas to be discharged, and therefore, does not also have the influence of solder flux gas even steam vent is not set in the printed board, weld defect such as does not enrich thereby significantly reduced leakage weldering, bridge joint and weld seam, has improved soldering reliability.And then undertaken by the flat secondary crest broader, that crest is more stable of stream interface, crest for " smoothly ", flowing velocity is slow, help forming substantial weld seam, also can remove simultaneously the weldering end effectively and go up excessive scolder, and make on all solders side solder good, revised solder side, eliminate possible point and the bridge joint of drawing, obtained to enrich flawless weld seam, finally guaranteed the assembly welding reliability.
Yet little crest can produce more scruff because jet speed is fast in opening running, and these scruffs can cause the obstruction of local spurt hole, cause the rugged phenomenon of whole jet flow crest.Will cause the not bad simultaneous situation of scolding tin of Mao Xiyu when this result is serious, bring puzzlement for debugging work.In addition, when occurring emitting the tin situation, the product of substrate perforate, quality hidden danger is very big below some product.Because it emit tin stick to substrate aperture around, be difficult for to find that because of the surface has portion's product to block in a single day these tin silks or tin grain come off in through turnover, handling process, very easily cause the phenomenon generation of portion's product root short circuit.Prior art is removed scruff this phenomenon is usually manual, and operating efficiency is lower, influences the processing procedure of wiring board.Lack solution and measure to this situation in the prior art, the present invention comes therefrom.
Summary of the invention
The utility model purpose is to provide a kind of small echo peak cleaning plant of crest welder, and it is comparatively inconvenient and then influence the welding processing procedure of wiring board to have solved the scruff cleaning of prior art medium wave peak welding machine, and does not have problem such as better settling mode in the prior art.
In order to solve these problems of the prior art, the technical scheme that the utility model provides is:
A kind of small echo peak cleaning plant of crest welder, comprise the fixed stop that is fixedly installed on crest welder molten tin bath upper end, the active block stop that described fixed stop one side setting is connected with molten tin bath, described fixed stop forms the stannum export that produces little crest with active block stop, it is characterized in that the dynamic device of described active block stop arranged outside, described power set are connected the driving active block stop and open with active block stop.
Preferably, described fixed stop or active block stop are selected from the sheet cover plate that the cross section is a C shape, described fixed stop two ends and molten tin bath bolting.
Preferably, described active block stop two ends are set with small echo peak cross bar, and described power set and the hinged promotion small echo of cross bar peak, small echo peak cross bar open active block stop.
Preferably, described power set are high temperature resistant cylinder, and the push rod of described high temperature resistant cylinder connects small echo peak cross bar by linkage.
Preferably, described linkage comprises the L shaped crank that is fixed on the molten tin bath, and described L shaped crank one end articulates first revolute pair, and described first revolute pair is connected with the cylinder push rod of power set; The described L shaped crank other end articulates second revolute pair by connecting rod, and described second revolute pair is connected cooperation driving active block stop and opens with small echo peak cross bar.
Preferably, described high temperature resistant cylinder one end is provided with the admission line and the outlet pipe of valve control, and the described high temperature resistant cylinder other end is provided with push rod, and the described push rod connecting rod and first revolute pair articulate.
Because the suitable height of operating ambient temperature of crest, can be during the manual adjustment cleaning because high temperature and inconvenient operation and inefficiency.The present invention adopts high temperature resistant air cylinder driven, is connected to by linkage on the fixed transverse rod of little crest, can realize opening automatically and closing of small echo peak stannum export when stingy cylinder stroke changes.Can reduce effectively because potential danger that high temperature brings and time and the operating efficiency that has improved maintaining greatly by this device.After opening, adopt stannum export artificial scraper to clear up scruff.
Than solution of the prior art, the utility model advantage is:
1. realize the automatic opening and closing of small echo peak stannum export in the technical solution of the present invention by the active block stop that the power set driving is set; When small echo peak stannum export was opened, by control system control tin stream brush sheet cleaning tin flow liquid face, the oxidation scruff that reduces tin flow liquid face brought adverse influence to welding.Wherein active block stop forms the stannum export of little crest with fixed stop, produces one-level crest, i.e. turbulent flow crest when normal the use.
2. optimal technical scheme medium power device of the present invention is preferably the high temperature resistance cylinder, and described cylinder is an aluminium matter cylinder, comprises admission line and outlet pipe, and described control system control air inlet and exhaust realize that the push rod of cylinder is flexible.When carrying out wave soldering, be in exhaust or inactive state in the cylinder, active block stop forms small echo peak stannum export because the spacing and fixed stop of molten tin bath cooperates, and what the crest of described stannum export was stable contacts for wiring board provides scolding tin; When needs were cleared up tin stream, control system control air inlet increased inner cylinder pressure, and the cylinder push rod stretches out promotion linkage drive active block stop and opens, and the manual scraper that uses slides from molten tin bath tin flow liquid face fast, cleans out scruff.
3. linkage is two revolute pairs that crank connects in the optimal technical scheme of the present invention, by movable first revolute pair that promotes of cylinder, makes the crank turn drive second revolute pair, drives the active block stop displacement that articulates with it by second revolute pair and opens.Because the linkage among the present invention is simple in structure, but realized the difference action of small echo peak stannum export, made things convenient for the scruff cleaning, can improve the operating efficiency of wave soldering greatly.
In sum, the small echo peak cleaning plant of crest welder of the present invention is simple in structure, is easy to realize, improves scruff cleaning work efficient greatly, can be applied in the one-level crest Removal Technology field of Wave soldering apparatus.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is the small echo peak cleaning plant structural representation of embodiment of the invention crest welder;
Fig. 2 is the A place enlarged drawing of Fig. 1;
Fig. 3 is the small echo peak cleaning plant chain link front view of embodiment of the invention crest welder;
Fig. 4 is the small echo peak cleaning plant chain link upward view of embodiment of the invention crest welder;
Fig. 5 is the small echo peak cleaning plant chain link right view of embodiment of the invention crest welder.
Wherein: 1 is little crest, and 2 is fixed stop, and 3 is active block stop; 4 is stannum export, and 5 is power set: high temperature resistant cylinder; 6 is small echo peak cross bar, and 7 is linkage;
71 is L shaped crank, and 72 is first revolute pair, and 73 is connecting rod, and 74 is second revolute pair.
The specific embodiment
Below in conjunction with specific embodiment such scheme is described further.Should be understood that these embodiment are used to the present invention is described and are not limited to limit the scope of the invention.The implementation condition that adopts among the embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in the normal experiment.
Embodiment such as Fig. 1～5, the small echo peak cleaning plant of this crest welder, comprise the fixed stop 2 that is fixedly installed on 1 upper end, crest welder small echo peak, the active block stop 3 that described fixed stop one side setting is connected with molten tin bath, described fixed stop 2 forms the stannum export 4 that produces little crest with active block stop 3, the dynamic device 5 of described active block stop 3 arranged outside, described active block stop two ends are set with small echo peak cross bar 6, and described power set and small echo peak cross bar 6 hinged promotion small echo peak cross bars open active block stop.
Power set are high temperature resistant cylinder 5, and the push rod of described high temperature resistant cylinder connects small echo peak cross bar 6 by linkage 7.Described fixed stop or active block stop are selected from the sheet cover plate that the cross section is a C shape, described fixed stop two ends and molten tin bath bolting.
This device drives active block stop by linkage and opens stannum export by high temperature resistance cylinder drive link mechanism, can conveniently carry out the cleaning work of scolding tin liquid level.
Above-mentioned example only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the people who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All spirit essence is done according to the present invention equivalent transformation or modification all should be encompassed within protection scope of the present invention.
Claims (6)
1. the small echo peak cleaning plant of a crest welder, comprise the fixed stop (2) that is fixedly installed on the little crest of crest welder (1) upper end, the active block stop (3) that described fixed stop one side setting is connected with molten tin bath, described fixed stop (2) forms the stannum export (4) that produces little crest with active block stop (3), it is characterized in that the dynamic device of described active block stop (3) arranged outside (5), described power set are connected the driving active block stop and open with active block stop.
2. the small echo peak cleaning plant of crest welder according to claim 1 is characterized in that described fixed stop or active block stop are selected from the sheet cover plate that the cross section is a C shape, described fixed stop two ends and molten tin bath bolting.
3. the small echo peak cleaning plant of crest welder according to claim 1 is characterized in that described active block stop two ends are set with small echo peak cross bar (6), and described power set and the hinged promotion small echo of small echo peak cross bar (6) peak cross bar open active block stop.
4. the small echo peak cleaning plant of crest welder according to claim 1 is characterized in that described power set are high temperature resistant cylinder (5), and the push rod of described high temperature resistant cylinder connects small echo peak cross bar (6) by linkage (7).
5. the small echo peak cleaning plant of crest welder according to claim 1, it is characterized in that described linkage (7) comprises the L shaped crank (71) that is fixed on the molten tin bath, described L shaped crank (71) one ends articulate first revolute pair (72), and described first revolute pair (72) is connected with the cylinder push rod of power set; Described L shaped crank (71) other end articulates second revolute pair (74) by connecting rod (73), and described second revolute pair is connected cooperation driving active block stop and opens with small echo peak cross bar (6).
6. the small echo peak cleaning plant of crest welder according to claim 1, it is characterized in that described high temperature resistant cylinder one end is provided with the admission line and the outlet pipe of valve control, the described high temperature resistant cylinder other end has movable push bar, and described movable push bar and first revolute pair (72) articulate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920185952XU CN201483178U (en) | 2009-07-20 | 2009-07-20 | Small wave crest cleaning device of crest welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920185952XU CN201483178U (en) | 2009-07-20 | 2009-07-20 | Small wave crest cleaning device of crest welder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201483178U true CN201483178U (en) | 2010-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920185952XU Expired - Fee Related CN201483178U (en) | 2009-07-20 | 2009-07-20 | Small wave crest cleaning device of crest welder |
Country Status (1)
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|---|---|
| CN (1) | CN201483178U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101690988B (en) * | 2009-07-20 | 2012-02-29 | 维多利绍德机械科技（苏州）有限公司 | Small wave crest clearing device of wave crest soldering machine |
| CN102848044A (en) * | 2011-06-30 | 2013-01-02 | 苏州品翔电通有限公司 | Foreign material blowing structure on automatic soldering device |
| CN115090989A (en) * | 2022-07-25 | 2022-09-23 | 江苏丰源电子科技有限公司 | Electronic component lead welding machine |
-
2009
- 2009-07-20 CN CN200920185952XU patent/CN201483178U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101690988B (en) * | 2009-07-20 | 2012-02-29 | 维多利绍德机械科技（苏州）有限公司 | Small wave crest clearing device of wave crest soldering machine |
| CN102848044A (en) * | 2011-06-30 | 2013-01-02 | 苏州品翔电通有限公司 | Foreign material blowing structure on automatic soldering device |
| CN102848044B (en) * | 2011-06-30 | 2015-04-15 | 苏州品翔电通有限公司 | Foreign material blowing structure on automatic soldering device |
| CN115090989A (en) * | 2022-07-25 | 2022-09-23 | 江苏丰源电子科技有限公司 | Electronic component lead welding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20120720 |