CN101690988B - Small wave crest clearing device of wave crest soldering machine - Google Patents
Small wave crest clearing device of wave crest soldering machine Download PDFInfo
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- CN101690988B CN101690988B CN2009101157521A CN200910115752A CN101690988B CN 101690988 B CN101690988 B CN 101690988B CN 2009101157521 A CN2009101157521 A CN 2009101157521A CN 200910115752 A CN200910115752 A CN 200910115752A CN 101690988 B CN101690988 B CN 101690988B
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- active block
- crest
- wave crest
- stop
- small echo
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- 238000005476 soldering Methods 0.000 title abstract description 13
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000004140 cleaning Methods 0.000 claims description 18
- 239000002893 slag Substances 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 11
- 239000007788 liquid Substances 0.000 description 7
- 229910000679 solder Inorganic materials 0.000 description 7
- 230000009977 dual effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The invention discloses a small wave crest clearing device of a wave crest soldering machine, which comprises a fixed stop block (2) fixedly arranged at the upper end of small wave crests (1) of the wave crest soldering machine, a movable stop block (3) which is connected with a tin bath is arranged on one side of the fixed stop block, both the fixed stop block (2) and the movable stop block (3) form a tin outlet (4) for generating the small wave crest, and the small wave crest clearing device is characterized in that a power device (5) is arranged on the outer side of the movable top block (3), and the power device is connected with the movable stop block for driving the movable stop block to open. The device has simple structure, is easy to realize and can greatly improve the working efficiency of clearing tin slag and be applied in the technical field of clearing the first-stage wave crest of the wave crest soldering device.
Description
Technical field
The invention belongs to the tin stove tin flow liquid face Removal Technology field of crest welder, be 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 processing 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 said printed circuit board (PCB), connection slot, resistance, electric capacity, diode adopt Wave soldering apparatus to accomplish 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 said calvus, said molten tin bath internal medicine is with the scolding tin of the liquid state formation crest of upwards gushing out; When said circuit board passes through this crest successively; The bottom surface of circuit board can contact with this crest and eat tin, can the scolding tin of liquid state be filled in into the contact cavity, solder cools is solidified form solder joint completion welding job.
Wave-soldering is used for the printed board dress and joins the history in existing more than 20 year, 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 in surface-assembled, extensively adopts dual wave soldering technology and equipment at present.
When crest welded, 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 arranged; Fusion welding through turbulent flow is surperficial at all direction contact assemblies, thereby has improved the wetability of scolder, and has 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, be the crest of " 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 article.Because it emit tin stick to substrate aperture around, be difficult for to find that because of the surface has portion's article 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 article 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 object of the invention 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, technical scheme provided by the invention 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 said fixed stop one side setting is connected with molten tin bath; Said fixed stop forms the stannum export that produces little crest with active block stop, it is characterized in that the dynamic device of said active block stop arranged outside, and said power set are connected the driving active block stop and open with active block stop.
Preferably, said fixed stop or active block stop are selected from the sheet cover plate that the cross section is a C shape, said fixed stop two ends and molten tin bath bolt.
Preferably, said active block stop two ends are set with small echo peak cross bar, and said power set and the hinged promotion small echo of cross bar peak, small echo peak cross bar open active block stop.
Preferably, said power set are high temperature resistant cylinder, and the push rod of said high temperature resistant cylinder connects small echo peak cross bar through linkage.
Preferably, said linkage comprises the L shaped crank that is fixed on the molten tin bath, and said L shaped crank one end articulates first revolute pair, and said first revolute pair is connected with the cylinder push rod of power set; The said L shaped crank other end articulates second revolute pair through connecting rod, and said second revolute pair is connected cooperation driving active block stop and opens with small echo peak cross bar.
Preferably, said high temperature resistant cylinder one end is provided with the admission line and the outlet pipe of valve control, and the said high temperature resistant cylinder other end is provided with push rod, and the said 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 through linkage on the fixed transverse rod of little crest, when stingy cylinder stroke changes, can realize opening automatically and closing of small echo peak stannum export.Can reduce effectively because potential danger that high temperature brings and time and the operating efficiency that has improved maintaining greatly through this device., adopt stannum export artificial scraper to clear up scruff after opening.
Than solution of the prior art, advantage of the present invention is:
1. through being set, active block stop that power set drive realizes the automatic opening and closing of small echo peak stannum export in the technical scheme of the present invention; 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, when normal the use, produces one-level crest, i.e. turbulent flow crest.
2. optimal technical scheme medium power device of the present invention is preferably the high temperature resistance cylinder, and said cylinder is an aluminium matter cylinder, comprises admission line and outlet pipe, and said control system's control air inlet and exhaust realize that the push rod of cylinder is flexible.When carrying out the crest welding, 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 said stannum export was stable contacts for wiring board provides scolding tin; When needs were cleared up tin stream, the control air inlet of control system 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, through 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 crest welding 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 accompanying drawing and embodiment the present invention 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 further specified.Should be understood that these embodiment are used to the present invention is described and are not limited to limit scope of the present 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 said fixed stop one side setting is connected with molten tin bath, said fixed stop 2 forms the stannum export 4 that produces little crest, the dynamic device 5 of said active block stop 3 arranged outside with active block stop 3; Said active block stop two ends are set with small echo peak cross bar 6, and said 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 said high temperature resistant cylinder connects small echo peak cross bar 6 through linkage 7.Said fixed stop or active block stop are selected from the sheet cover plate that the cross section is a C shape, said fixed stop two ends and molten tin bath bolt.
This device drives active block stop through linkage and opens stannum export through high temperature resistance cylinder drive link mechanism, can conveniently carry out the cleaning work of scolding tin liquid level.
Above-mentioned instance only is explanation technical conceive of the present invention and characteristics, and its purpose is to let 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 equivalent transformations that spirit is done according to the present invention or modification all should be encompassed within protection scope of the present invention.
Claims (2)
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 said fixed stop one side setting is connected with molten tin bath; Said 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 said active block stop (3) arranged outside (5), and said power set are connected the driving active block stop and open with active block stop; Said active block stop two ends are set with small echo peak cross bar (6), and said power set are high temperature resistant cylinder (5), and the push rod of said high temperature resistant cylinder connects small echo peak cross bar (6) through linkage (7); Said linkage (7) comprises the L shaped crank (71) that is fixed on the molten tin bath, and said L shaped crank (71) one ends articulate first revolute pair (72), and said first revolute pair (72) is connected with the cylinder push rod of power set; Said L shaped crank (71) other end articulates second revolute pair (74) through connecting rod (73), and said second revolute pair is connected cooperation driving active block stop and opens with small echo peak cross bar (6).
2. the small echo peak cleaning plant of crest welder according to claim 1 is characterized in that said fixed stop or active block stop are selected from the sheet cover plate that the cross section is a C shape, said fixed stop two ends and molten tin bath bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101157521A CN101690988B (en) | 2009-07-20 | 2009-07-20 | Small wave crest clearing device of wave crest soldering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101157521A CN101690988B (en) | 2009-07-20 | 2009-07-20 | Small wave crest clearing device of wave crest soldering machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101690988A CN101690988A (en) | 2010-04-07 |
| CN101690988B true CN101690988B (en) | 2012-02-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101157521A Active CN101690988B (en) | 2009-07-20 | 2009-07-20 | Small wave crest clearing device of wave crest soldering machine |
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| Country | Link |
|---|---|
| CN (1) | CN101690988B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4981249A (en) * | 1988-08-31 | 1991-01-01 | Matsushita Electric Industrial Co., Ltd. | Automatic jet soldering apparatus |
| GB2279027A (en) * | 1993-06-19 | 1994-12-21 | Blundell Production Equipment | Soldering apparatus |
| CN2582806Y (en) * | 2002-11-14 | 2003-10-29 | 华硕电脑股份有限公司 | Adjustable tin stove spout |
| CN201483178U (en) * | 2009-07-20 | 2010-05-26 | 维多利绍德机械科技（苏州）有限公司 | Small wave crest cleaning device of crest welder |
-
2009
- 2009-07-20 CN CN2009101157521A patent/CN101690988B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4981249A (en) * | 1988-08-31 | 1991-01-01 | Matsushita Electric Industrial Co., Ltd. | Automatic jet soldering apparatus |
| GB2279027A (en) * | 1993-06-19 | 1994-12-21 | Blundell Production Equipment | Soldering apparatus |
| CN2582806Y (en) * | 2002-11-14 | 2003-10-29 | 华硕电脑股份有限公司 | Adjustable tin stove spout |
| CN201483178U (en) * | 2009-07-20 | 2010-05-26 | 维多利绍德机械科技（苏州）有限公司 | Small wave crest cleaning device of crest welder |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平11-284327A 1999.10.15 |
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| Publication number | Publication date |
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| CN101690988A (en) | 2010-04-07 |
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Address after: 215000 5 Suzhou high tech Zone, Jiangsu Patentee after: According to work electronic equipment (Suzhou) Co., Ltd. Address before: 215009 No. 858, Zhujianglu Road New District, Jiangsu, Suzhou Patentee before: Vitronics Soltec Machinery Technology (Suzhou) Co., Ltd. |