CN108237295A - A kind of anti-scaling powder aggregation exhausting system of hot type - Google Patents
A kind of anti-scaling powder aggregation exhausting system of hot type Download PDFInfo
- Publication number
- CN108237295A CN108237295A CN201611217774.5A CN201611217774A CN108237295A CN 108237295 A CN108237295 A CN 108237295A CN 201611217774 A CN201611217774 A CN 201611217774A CN 108237295 A CN108237295 A CN 108237295A
- Authority
- CN
- China
- Prior art keywords
- exhausting
- box
- scaling powder
- air extracting
- hot type
- 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.)
- Pending
Links
- 239000000843 powder Substances 0.000 title claims abstract description 35
- 230000002776 aggregation Effects 0.000 title claims abstract description 11
- 238000004220 aggregation Methods 0.000 title claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 238000005476 soldering Methods 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The present invention relates to a kind of anti-scaling powder aggregation exhausting systems of hot type, in reflow soldering, the exhausting system includes air extracting box, exhaust column and heating rod, and the heating rod is mounted on exhausting inside pipe wall, and the air outlet of the exhaust column is inserted into air extracting box；The heating rod makes exhausting inside pipe wall keep continuous heating state, and steam condition is maintained when the scaling powder steam in reflow soldering being made to pass through exhaust column.Compared with prior art, the present invention has many advantages, such as economical, reliable.
Description
Technical field
The present invention relates to a kind of reflow solderings, assemble exhausting system more particularly, to a kind of anti-scaling powder of hot type.
Background technology
Reflow soldering is for a kind of welding equipment in SMT industries.It can provide heating environment that is automatic and stablizing, make
Solder(ing) paste melted by heat in burner hearth, so as to allow on pcb board the electric elements mounted in advance and pcb board can by soldering alloy
It is combined together by ground.
After solder(ing) paste melted by heat, scaling powder part therein forms steam, and most of scaling powder steam can be from suction opening
Place, which is pumped, leaves burner hearth；Since scaling powder steam on relatively low surface easily in temperature than condensing, have and minimal amount of help weldering
Agent liquefaction is attached on suction opening wall.The exhausting system used in reflow soldering is direct exhausting at present, when the scaling powder heap of liquid
When product is to certain degree, drop will be formed, is finally dropped down, and has very big probability to drop onto on wiring board (PCB),
It causes the off quality of customer line plate or even scraps.
Invention content
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of hot type is prevented helping weldering
Exhausting system is assembled in agent.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of anti-scaling powder aggregation exhausting system of hot type, in reflow soldering, the exhausting system includes taking out
Wind box, exhaust column and heating rod, the heating rod are mounted on exhausting inside pipe wall, and the air outlet of the exhaust column is inserted into exhausting
In box；
The heating rod makes exhausting inside pipe wall keep continuous heating state, passes through the scaling powder steam in reflow soldering
Steam condition is maintained during exhaust column.
The air extracting box includes air extracting box outer box and air extracting box inner box, and the air outlet of the exhaust column is inserted into air extracting box
Inner box in.
Gap is equipped between the air extracting box outer box and air extracting box inner box, fills heat-preservation cotton in the gap, for into one
Step prevents the condensation attachment of scaling powder steam.
The air outlet of the exhaust column is higher than reflow soldering sealing plate, and the relative aperture air extracting box inner box of the air outlet is small.
The air extracting box inner box upper end inner wall is arc-shaped, for that will be attached to a small amount of of air extracting box inner box upper end inner wall
Liquid scaling powder is flowed down along arc-shaped inner wall, final to instill between air extracting box inner box and reflow soldering sealing plate.
The heating rod is fixed on by heating rod fixing bracket on exhausting inside pipe wall.
Compared with prior art, the present invention has the following advantages：
1) it is economical, reliable；
2) condensation of scaling powder steam is limited on physical condition, liquid scaling powder is effectively prevented directly to drop onto
Possibility in burner hearth on pcb board.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
1st, air extracting box outer box, 2, air extracting box inner box, 3, exhaust column, 4, reflow soldering sealing plate, 5, heating rod, 6, heating rod
Fixing bracket
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is the part of the embodiment rather than whole embodiments of the present invention.Based on this hair
Embodiment in bright, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, should all belong to the scope of protection of the invention.
The exhaust column used in reflow soldering does not have heating unit at present, and scaling powder steam has physical condition to be gathered in exhausting
On wall.Drop can be formed to a certain extent by being accumulated when the liquid scaling powder being attached on exhausting tube wall, finally dropped down, caused
Client's pcb board is scrapped, and economic benefit is reduced.
The anti-scaling powder aggregation exhausting system of hot type of the present invention includes air extracting box and exhaust column and heating rod, wherein exhausting
Box includes air extracting box outer box 1 and air extracting box inner box 2, there are certain gap between outer box and inner box, for clogging heat-preservation cotton.It protects
The effect of warm cotton mainly prevents the condensation attachment of scaling powder steam.Heating rod plays the role of heating exhaust column, makes exhaust column zero
The body temperature of part is always above the condensation temperature of scaling powder steam.Since condensing condition is not achieved in the temperature of exhaust column, weldering is helped
Agent steam can not just be assembled on exhaust column.
Exhaust column 3 higher than reflow soldering sealing plate, go deep into air extracting box inner box, and narrower than inner box by the upper end simultaneously.Inner box
Upper end inner wall makes arc-shaped, it is therefore an objective to and the liquid scaling powder for being attached to inner box upper end inner wall is made to be flowed down along arc-shaped inner wall,
It is final to instill between inner box and reflow soldering sealing plate, liquid scaling powder is effectively prevented directly to drop onto pcb board in burner hearth
On possibility.Client can do periodic maintenance to air extracting box, and a small amount of scaling powder collected herein is removed.
Heat-preservation cotton is clogged between the air extracting box outer box 1 of the present invention and air extracting box inner box 2, ensures that air extracting box internal temperature is not easy
It distributes, while heating rod 5 can continue electrified regulation, heating rod 5 is fixed on by fixing bracket 6 on exhaust column 3, makes exhaust column 3
Inner wall be maintained at continuous heating state, inner wall temperature is higher, and scaling powder steam is made to maintain steam condition when passing through exhaust column 3,
It can not condense.Air extracting box is connected with exhausting motor, and the scaling powder steam in burner hearth is extracted out at exhaust column 3, largely can quilt
It takes away and leaves burner hearth, have minimal amount of steam and encounter air extracting box inner box 2 and be condensed into liquid and be attached on inner box inner wall.Work as liquid
Scaling powder accumulation to a certain extent when, can along inner box arc-shaped inner wall toward downstream to inner box and reflow soldering sealing plate 4 it
Between.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or replace
It changes, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection domain subject to.
Claims (6)
1. a kind of anti-scaling powder aggregation exhausting system of hot type, in reflow soldering, which is characterized in that the exhausting system
System includes air extracting box, exhaust column and heating rod, and the heating rod is mounted on exhausting inside pipe wall, the air outlet of the exhaust column
It is inserted into air extracting box；
The heating rod makes exhausting inside pipe wall keep continuous heating state, and the scaling powder steam in reflow soldering is made to pass through exhausting
Steam condition is maintained during pipe.
A kind of 2. anti-scaling powder aggregation exhausting system of hot type according to claim 1, which is characterized in that the exhausting
Box includes air extracting box outer box and air extracting box inner box, and the air outlet of the exhaust column is inserted into the inner box of air extracting box.
A kind of 3. anti-scaling powder aggregation exhausting system of hot type according to claim 2, which is characterized in that the exhausting
Gap is equipped between box outer box and air extracting box inner box, heat-preservation cotton is filled in the gap, for further preventing scaling powder steam cold
Solidifying attachment.
A kind of 4. anti-scaling powder aggregation exhausting system of hot type according to claim 2, which is characterized in that the exhausting
The air outlet of pipe is higher than reflow soldering sealing plate, and the relative aperture air extracting box inner box of the air outlet is small.
A kind of 5. anti-scaling powder aggregation exhausting system of hot type according to claim 4, which is characterized in that the exhausting
Box inner box upper end inner wall is arc-shaped, for that will be attached to a small amount of liquid scaling powder of air extracting box inner box upper end inner wall along circular arc
Shape inner wall flows down, final to instill between air extracting box inner box and reflow soldering sealing plate.
A kind of 6. anti-scaling powder aggregation exhausting system of hot type according to claim 1, which is characterized in that the heating
Stick is fixed on by heating rod fixing bracket on exhausting inside pipe wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611217774.5A CN108237295A (en) | 2016-12-26 | 2016-12-26 | A kind of anti-scaling powder aggregation exhausting system of hot type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611217774.5A CN108237295A (en) | 2016-12-26 | 2016-12-26 | A kind of anti-scaling powder aggregation exhausting system of hot type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108237295A true CN108237295A (en) | 2018-07-03 |
Family
ID=62705091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611217774.5A Pending CN108237295A (en) | 2016-12-26 | 2016-12-26 | A kind of anti-scaling powder aggregation exhausting system of hot type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108237295A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2321229Y (en) * | 1997-10-13 | 1999-06-02 | 潘少鹏 | Closed processing cabinet for production of dried rice-flour noodle |
| JP2000252621A (en) * | 1999-03-01 | 2000-09-14 | Koyo Thermo System Kk | Reflow apparatus |
| KR20120010422A (en) * | 2010-07-26 | 2012-02-03 | 주식회사 티에스엠 | Apparatus for withdrawing flux for reflow soldering machine |
| CN202192074U (en) * | 2011-07-25 | 2012-04-18 | 江苏晶鼎电子材料有限公司 | Exhaust unit of heat treatment equipment |
| CN202318881U (en) * | 2011-11-17 | 2012-07-11 | 株洲时代工程塑料制品有限责任公司 | Extruder and vacuum chamber thereof |
| CN203437293U (en) * | 2013-07-03 | 2014-02-19 | 广东生益科技股份有限公司 | Coating device and exhaust tube and exhaust device thereof |
| CN204730577U (en) * | 2015-06-18 | 2015-10-28 | 许钢 | A kind of vacuum drying chamber for the drying of wood |
| CN205217573U (en) * | 2015-12-21 | 2016-05-11 | 河南省计量科学研究院 | Novel multi -functional laboratory fume chamber |
| CN206335220U (en) * | 2016-12-26 | 2017-07-18 | 上海朗仕电子设备有限公司 | The anti-scaling powder aggregation exhausting system of hot type |
-
2016
- 2016-12-26 CN CN201611217774.5A patent/CN108237295A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2321229Y (en) * | 1997-10-13 | 1999-06-02 | 潘少鹏 | Closed processing cabinet for production of dried rice-flour noodle |
| JP2000252621A (en) * | 1999-03-01 | 2000-09-14 | Koyo Thermo System Kk | Reflow apparatus |
| KR20120010422A (en) * | 2010-07-26 | 2012-02-03 | 주식회사 티에스엠 | Apparatus for withdrawing flux for reflow soldering machine |
| CN202192074U (en) * | 2011-07-25 | 2012-04-18 | 江苏晶鼎电子材料有限公司 | Exhaust unit of heat treatment equipment |
| CN202318881U (en) * | 2011-11-17 | 2012-07-11 | 株洲时代工程塑料制品有限责任公司 | Extruder and vacuum chamber thereof |
| CN203437293U (en) * | 2013-07-03 | 2014-02-19 | 广东生益科技股份有限公司 | Coating device and exhaust tube and exhaust device thereof |
| CN204730577U (en) * | 2015-06-18 | 2015-10-28 | 许钢 | A kind of vacuum drying chamber for the drying of wood |
| CN205217573U (en) * | 2015-12-21 | 2016-05-11 | 河南省计量科学研究院 | Novel multi -functional laboratory fume chamber |
| CN206335220U (en) * | 2016-12-26 | 2017-07-18 | 上海朗仕电子设备有限公司 | The anti-scaling powder aggregation exhausting system of hot type |
Non-Patent Citations (1)
| Title |
|---|
| 韩德权: "《发酵工程》", 31 May 2008, 黑龙江大学出版社, pages: 181 - 182 * |
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