CN101327541A - Method and apparatus for separating component pins and soldering tin of circuit board - Google Patents
Method and apparatus for separating component pins and soldering tin of circuit board Download PDFInfo
- Publication number
- CN101327541A CN101327541A CNA2008100319789A CN200810031978A CN101327541A CN 101327541 A CN101327541 A CN 101327541A CN A2008100319789 A CNA2008100319789 A CN A2008100319789A CN 200810031978 A CN200810031978 A CN 200810031978A CN 101327541 A CN101327541 A CN 101327541A
- Authority
- CN
- China
- Prior art keywords
- wiring board
- conveyer belt
- purge tank
- frame
- scolding tin
- 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
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000005476 soldering Methods 0.000 title 1
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 238000011084 recovery Methods 0.000 claims abstract description 5
- 238000010926 purge Methods 0.000 claims description 36
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 8
- 230000000505 pernicious effect Effects 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 239000012298 atmosphere Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 3
- 238000010257 thawing Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 11
- 238000011109 contamination Methods 0.000 abstract 1
- 238000004332 deodorization Methods 0.000 abstract 1
- 230000035943 smell Effects 0.000 description 7
- 230000007613 environmental effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000703 high-speed centrifugation Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a disengaging method of architrave and mischzinn of a circuit board element and a device thereof. A metallic mesh-shaped conveyor belt is mounted on the frame; a heating device is installed below the conveyor belt; a circuit board is fed in from the front end of the conveyor belt and is transferred by the conveyor belt to the position above the heating device for continuous heating, and during the process, some of the architrave and the circuit board are disengaged automatically and fall into a receiving basin below the conveyor belt; at the same time, harmful gases produced in the heating process are exhausted by an exhaust pipe and are discharged into the air after the deodorization treatment; a vibration device and a recovery device are installed and connected to the position below a rear roller of the conveyor belt; a vibrating grid vibrates at high frequency, and the molten mischzinn and the architrave on the circuit board fall off with the function of the vibration and fall into a recovery container. The heating method of the invention is capable of completely removing and recovering the tin and the mischzinn, the method is simple, practical and efficient, and effectively protects the air from contamination, thereby the method is environment friendly.
Description
Technical field:
The present invention relates to environmental protection technical field, be specifically related to a kind of wiring board component pins scolding tin and break away from method and apparatus.
Background technology:
Along with the modernization of industrial and agricultural production and the progress of science and technology, particularly information technology makes rapid progress, make the update of electronic product more frequent, the thing followed be eliminated and the electronic circuit board scrapped pile up like a mountain, have a strong impact on and destroyed ecological environment.At present remain a great problem for the processing of waste electron wiring board in the world, as adopt methods such as landfill, washing, burning to handle, metal wherein and macromolecule organic are difficult to degraded under field conditions (factors), harmful components enter by water, atmosphere, soil in the environment of people's life, cause potential, long-term, expendable harm for human health and ecological environment.Abandon the harm environment of above-mentioned these landfills, washing, burning, the processing method of health risk, adopt the method for environmental protection to handle waste electron wiring board, a wherein very important ring, to provide a kind of scientific methods for wiring board component pins scolding tin breaks away from exactly, and provide a kind of special equipment for this scolding tin disengaging method.
Summary of the invention:
Technical problem to be solved by this invention is: the problem that exists at above-mentioned prior art, and provide a kind of heat detin thoroughly, scolding tin reclaims fully, simple, practical, efficient and wiring board component pins scolding tin that handle pernicious gas, good environmental protection breaks away from method and apparatus.
The technical solution used in the present invention is: this wiring board component pins scolding tin disengaging method is: metal net shaped conveyer belt is installed on the frame, below the metal net shaped conveyer belt heater is installed, being cut the wiring board of finishing puts into from the conveyer belt front end, the wiring board cut surface is horizontal positioned up, wiring board moves to the heater top with conveyer belt, wiring board is continued heating, scolding tin melts gradually, a part stitch and scolding tin come off voluntarily, and the stainless steel of falling into the conveyer belt below connects material in the basin; Meanwhile, the pernicious gas that produces in the heating process is extracted out by pump-line, carries out entering atmosphere after the innoxious processing that eliminates the unusual smell; Be connected and installed with vibration and retracting device at conveyer belt back roll side-lower, after wiring board is heated and moves to back roll, fall into the vibrating grid steel wire of vibration and retracting device, vibrating grid is done the high-frequency vibration, wiring board on the steel wire vibrates thereupon, and the scolding tin after the thawing is shaken, and stitch also drops thereupon voluntarily, scolding tin and stitch pass the steel wire mesh, fall into recovery bin voluntarily.
Wiring board component pins scolding tin separation instrumentation structure is: install and fix on frame and transmit motor and reduction box, front roll, back roll, heater, basin connects material, the conveyer belt suit coated front roll, back roll, heater is installed under the conveyer belt upper horizontal plane, the basin that connects material is installed in conveyer belt and heater below, transmits motor by reduction box, sprocket wheel, the forward and backward cylinder of chain drive; Draught hood also is installed above frame, connects pump-line, pump-line connects air extractor, and the outlet pipe of air extractor connects the innoxious treating apparatus that eliminates the unusual smell; At conveyer belt back roll side-lower vibration and retracting device are installed, vibrating device involving vibrations frame, land frame, vibrating motor, cam, to be fixed frame, vibration frame by spring install to be connected the frame of landing lands on the frame, the vibration frame upper surface is a steel wire, the steel wire below is for reclaiming feed bin, and vibrating motor and cam are fixed on the vibration frame.
In the technique scheme, conveyer belt is made into by steel wire.
In the technique scheme, heater is made of two or more sets resistance wires.
In the technique scheme, the innoxious treating apparatus that eliminates the unusual smell is connected and composed by pipeline successively by first purge tank, second purge tank, the 3rd purge tank; KMnO is equipped with in the first purge tank bottom
4+ water, filler is equipped with on top; CuSO is equipped with in the second purge tank bottom
4+ H
2SO
4+ water, filler is equipped with on top; KI+NaOH+ water is equipped with in the 3rd purge tank bottom, and filler is equipped with at the middle part, and active carbon is equipped with on top; The pernicious gas that is produced by wiring board component pins scolding tin separation instrumentation heating line plate feeds the first purge tank bottom by air inlet pipe, the first purge tank top escape pipe feeds the bottom of second purge tank, the outlet pipe on the second purge tank top feeds the bottom of the 3rd purge tank, and the escape pipe on the 3rd purge tank top effluxes.
Advantageous effect:
The high temperature of the present invention tin mode of shaking is simple relatively, practical, efficient, does not have the conventional method of relative complex to strike, beats, towards isotype, does not need complex mechanical construction, has greatly saved equipment investment, and that high temperature melt is collected scolding tin is also relatively more complete.The negative pressure ventilation that the present invention also utilizes vavuum pump to produce; the heat hot gas that resistance wire is produced can fully make progress to flow and arrive on the wiring board on the one hand; take wiring board on the other hand away because of being heated to some bad smells that high temperature produces; particularly the present invention has carried out three purge tank chemical liquids cleanings to these harmful gas with foreign flavor; at last again through charcoal absorption; the gas that is discharged into atmosphere is harmless tasteless clean gas, has effectively protected air to avoid polluting good environmental protection.
Description of drawings:
Fig. 1 is a structural representation of the present invention
Fig. 2 is the vertical view of Fig. 1
Fig. 3 is the innoxious treating apparatus structural representation that eliminates the unusual smell of waste gas
The specific embodiment:
Referring to Fig. 1, Fig. 2, Fig. 3, wiring board component pins scolding tin separation instrumentation of the present invention is made of several major parts such as frame, transmission power set, conveyor-belt apparatus, heater, vibration and retracting device, adsorbent equipments.
Frame 1: being welded by square steel and steel plate forms, and is used to connect and fixes parts on it, and guarantee the tram that it is relative.
Transmit power set: transmit motor 6 and be fixed on the frame, belt transfers to reduction box 5, and slowing down by reduction box reaches required linear velocity, and the reduction box output is a sprocket wheel 2, drives to back roll (initiatively) by chain 3 and drives conveyer belt.
Conveyor-belt apparatus: be fixed on the frame by each cylinder before and after the equipment, conveyer belt 4 coated cylinder, and wherein back roll is the welding fixed form, and front roll is that bolt is connected and fixed mode 7, spacing is adjustable between the cylinder, has realized the elasticity of conveyer belt steel wire is regulated; Conveyer belt is made into by steel wire 14, and one side can increase the frictional force with the conveyer belt upper plate, and on the other hand, finer wire net fretwork area is much larger than the steel-wire carcass area, and heat and hot gas that heater is produced almost do not intercept.
Heater: constitute by two groups of resistance wires 8 heating, and under heater, have the stainless steel basin 9 that connects material, collect the stitch and the scolding tin that just directly split away off in the heating process.
Vibration and retracting device: this device is installed on conveyer belt back roll below, land part for fixing, vibration frame 11 is fixed on by spring 13 and lands on the frame, vibrating motor 16 and two vibration cams 12 are fixed on the vibration frame, the vibration frame upper surface is a steel wire 15 simultaneously, and steel wire is down for reclaiming feed bin.
Adsorbent equipment: the cavity that is formed by conveyer belt 4, resistive heater 8, the basin 9 that connects material etc. is a negative pressure, is connected to vavuum pump by pipeline 10, is mainly used in the peculiar smell that eliminating wiring board and components and parts scolding tin pin are produced in heating process.
The innoxious treating apparatus that eliminates the unusual smell is cleaned 19 jars and is connected and composed successively by pipeline by first purge tank 17, second purge tank the 18, the 3rd; KMnO is equipped with in the first purge tank bottom 20
4+ water, top are equipped with filler 21; CuSO is equipped with in the second purge tank bottom 22
4+ H
2SO
4+ water, top are equipped with filler 21; KI+NaOH+ water is equipped with in the 3rd purge tank bottom 23, and filler 21 is equipped with at middle part 24, and active carbon 25 is equipped with on top; The pernicious gas that is produced by wiring board component pins scolding tin separation instrumentation heating line plate feeds first purge tank, 17 bottoms by air inlet pipe 26, the first purge tank top escape pipe 27 feeds the bottom of second purge tank 18, the outlet pipe 28 on the second purge tank top feeds the bottom of the 3rd purge tank 19, and the escape pipe 29 on the 3rd purge tank top effluxes.
Wiring board component pins scolding tin disengaging method of the present invention is:
The conveyer belt operation: conveyer belt motor 6 is a power, and belt transmission is to reduction box 5, and reduction box output sprocket wheel 2 adds chain 3 and drives to back roll, and back roll is initiatively, drives the conveyer belt operation; Front roll is driven, auxiliary operation, and front roll is fixing with frame 1 by bolt connection 7 simultaneously, can regulate the relative position of cylinder and frame by rotary screw, thereby regulate two distances between the cylinder, reaches the effect of regulating steel wire conveyer belt elasticity.
Wiring board operation heating: be cut the wiring board of finishing and put at conveyer belt front roll end, cut surface (front) is horizontal positioned up, and wiring board is with 14 operations of conveyer belt steel wire; When moving to resistance wire 8 places, begin to be heated, heating is divided into two groups, is continued heating rear board temperature about 300 degrees centigrade, and scolding tin melts gradually, at this moment can some stitch and scolding tin come off voluntarily, the stainless steel of falling into the conveyer belt below connects material in the basin 9; Simultaneously, the negative pressure that is produced by vavuum pump forms air-flow through piping 10, and air-flow drives hot-fluid, makes the heating heat of resistance wire fully flow through wiring board, and finer wire net fretwork area is much larger than the steel-wire carcass area, to the heat and the almost not obstruct of hot gas of heater generation; When wiring board is heated to 300 celsius temperatures, can produce some nifves on the other hand, negative-pressure adsorption also can be taken away the air of this dirt.
Tin and collection are fallen in vibration: wiring board is heated and moves to back roll, fall into vibrating grid steel wire 15, this moment, vibrating motor 16 ran up, drive two groups of vibration cams 12 and produce high speed centrifugation power, make vibrating grid 11 produce the high-frequency vibration under the traction of spring 13, the wiring board on the steel wire vibrates thereupon, and the scolding tin after the thawing is shaken, stitch also drops thereupon voluntarily, and scolding tin and stitch can pass the steel wire mesh and fall into recovery bin voluntarily.
Claims (5)
1, a kind of wiring board component pins scolding tin disengaging method, it is characterized in that: metal net shaped conveyer belt is installed on the frame, below the metal net shaped conveyer belt heater is installed, be cut the wiring board of finishing and put into from the conveyer belt front end, the wiring board cut surface is horizontal positioned up, and wiring board moves to the heater top with conveyer belt, wiring board is continued heating, scolding tin melts gradually, and a part of stitch and scolding tin come off voluntarily, and the stainless steel of falling into conveyer belt below connects material in the basin; Meanwhile, the pernicious gas that produces in the heating process is extracted out by pump-line, carries out entering atmosphere after the innoxious processing that eliminates the unusual smell; Be connected and installed with vibration and retracting device at conveyer belt back roll side-lower, after wiring board is heated and moves to back roll, fall into the vibrating grid steel wire of vibration and retracting device, vibrating grid is done the high-frequency vibration, wiring board on the steel wire vibrates thereupon, and the scolding tin after the thawing is shaken, and stitch also drops thereupon voluntarily, scolding tin and stitch pass the steel wire mesh, fall into recovery bin voluntarily.
2, a kind of wiring board component pins scolding tin separation instrumentation, it is characterized in that: structure transmits motor and reduction box, front roll, back roll, heater for installing and fixing on frame, basin connects material, the conveyer belt suit coated front roll, back roll, heater is installed under the conveyer belt upper horizontal plane, the basin that connects material is installed in conveyer belt and heater below, transmits motor by reduction box, sprocket wheel, the forward and backward cylinder of chain drive; Draught hood also is installed above frame, connects pump-line, pump-line connects air extractor, and the outlet pipe of air extractor connects the innoxious treating apparatus that eliminates the unusual smell; At conveyer belt back roll side-lower vibration and retracting device are installed, vibrating device involving vibrations frame, land frame, vibrating motor, cam, to be fixed frame, vibration frame by spring install to be connected the frame of landing lands on the frame, the vibration frame upper surface is a steel wire, the steel wire below is for reclaiming feed bin, and vibrating motor and cam are fixed on the vibration frame.
3, wiring board component pins scolding tin separation instrumentation according to claim 2, it is characterized in that: conveyer belt is made into by steel wire.
4, wiring board component pins scolding tin separation instrumentation according to claim 2, it is characterized in that: heater is made of two or more sets resistance wires.
5, wiring board component pins scolding tin according to claim 1 and 2 breaks away from method and apparatus, and it is characterized in that: the innoxious treating apparatus that eliminates the unusual smell is connected and composed by pipeline successively by first purge tank, second purge tank, the 3rd purge tank; KMnO is equipped with in the first purge tank bottom
4+ water, filler is equipped with on top; CuSO is equipped with in the second purge tank bottom
4+ H
2SO
4+ water, filler is equipped with on top; KI+NaOH+ water is equipped with in the 3rd purge tank bottom, and filler is equipped with at the middle part, and active carbon is equipped with on top; The pernicious gas that is produced by wiring board component pins scolding tin separation instrumentation heating line plate feeds the first purge tank bottom by air inlet pipe, the first purge tank top escape pipe feeds the bottom of second purge tank, the outlet pipe on the second purge tank top feeds the bottom of the 3rd purge tank, and the escape pipe on the 3rd purge tank top effluxes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100319789A CN101327541A (en) | 2008-08-01 | 2008-08-01 | Method and apparatus for separating component pins and soldering tin of circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100319789A CN101327541A (en) | 2008-08-01 | 2008-08-01 | Method and apparatus for separating component pins and soldering tin of circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101327541A true CN101327541A (en) | 2008-12-24 |
Family
ID=40203678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100319789A Pending CN101327541A (en) | 2008-08-01 | 2008-08-01 | Method and apparatus for separating component pins and soldering tin of circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101327541A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101966672A (en) * | 2010-08-26 | 2011-02-09 | 金安合盟(天津)仿生汽车锁技术有限公司 | Automatic rolling vibration deburring machine |
| CN102069256A (en) * | 2010-12-20 | 2011-05-25 | 北京工业大学 | Electronic component removing device based on final treatment of waste circuit board |
| CN101537522B (en) * | 2009-03-20 | 2011-07-20 | 湖南万容科技有限公司 | Method and device for disassembling electronic components from waste printed circuit boards and recovering soldering tin |
| CN102371412A (en) * | 2011-11-16 | 2012-03-14 | 苏州伟翔电子废弃物处理技术有限公司 | Device and method for removing electronic devices/components and soldered tin from waste circuit boards |
| CN103100545A (en) * | 2011-11-15 | 2013-05-15 | 梁刚 | Environmentally-friendly old circuit board resource recycling production line |
| CN103100771A (en) * | 2011-11-15 | 2013-05-15 | 梁刚 | Environment-friendly full-automatic used circuit board tin solder rapid recovery machine |
| CN101961808B (en) * | 2009-07-24 | 2013-09-11 | 理翰应用科技有限公司 | Wave soldering equipment and implementation method thereof |
| WO2013155836A1 (en) * | 2012-04-16 | 2013-10-24 | 中国科学院化学研究所 | Method for dismantling electronic components on a circuit board by fine sand |
| CN103480933A (en) * | 2013-09-12 | 2014-01-01 | 伟翔环保科技发展(上海)有限公司 | Method for utilizing high-pressure hot air to automatically separate waste circuit board elements |
| CN104030078A (en) * | 2014-05-16 | 2014-09-10 | 铜陵和武机械制造有限责任公司 | Baking and material rolling machine |
| CN105327934A (en) * | 2015-12-11 | 2016-02-17 | 珠海格力电器股份有限公司 | System and process for removing components of waste circuit board |
| CN105345197A (en) * | 2015-11-14 | 2016-02-24 | 苏州光韵达光电科技有限公司 | Tin removing device for BGA |
| CN107303622A (en) * | 2016-04-20 | 2017-10-31 | 张跃 | A kind of clip brazing device and its application method |
| CN111330935A (en) * | 2018-12-18 | 2020-06-26 | 山东华光光电子股份有限公司 | Semiconductor laser electrode wire recycling device and method |
| CN112342381A (en) * | 2019-08-09 | 2021-02-09 | 云南犀鸟科技有限公司 | Conveyer of circuit board among tin recovery process of preheating structure |
-
2008
- 2008-08-01 CN CNA2008100319789A patent/CN101327541A/en active Pending
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101537522B (en) * | 2009-03-20 | 2011-07-20 | 湖南万容科技有限公司 | Method and device for disassembling electronic components from waste printed circuit boards and recovering soldering tin |
| CN101961808B (en) * | 2009-07-24 | 2013-09-11 | 理翰应用科技有限公司 | Wave soldering equipment and implementation method thereof |
| CN101966672A (en) * | 2010-08-26 | 2011-02-09 | 金安合盟(天津)仿生汽车锁技术有限公司 | Automatic rolling vibration deburring machine |
| CN102069256A (en) * | 2010-12-20 | 2011-05-25 | 北京工业大学 | Electronic component removing device based on final treatment of waste circuit board |
| CN102069256B (en) * | 2010-12-20 | 2012-09-05 | 北京工业大学 | Electronic component removing device based on final treatment of waste circuit board |
| CN103100545A (en) * | 2011-11-15 | 2013-05-15 | 梁刚 | Environmentally-friendly old circuit board resource recycling production line |
| CN103100771A (en) * | 2011-11-15 | 2013-05-15 | 梁刚 | Environment-friendly full-automatic used circuit board tin solder rapid recovery machine |
| CN102371412A (en) * | 2011-11-16 | 2012-03-14 | 苏州伟翔电子废弃物处理技术有限公司 | Device and method for removing electronic devices/components and soldered tin from waste circuit boards |
| CN103372697B (en) * | 2012-04-16 | 2015-08-19 | 中国科学院化学研究所 | The fine sand removing the electronic devices and components on substrate disassembles method |
| WO2013155836A1 (en) * | 2012-04-16 | 2013-10-24 | 中国科学院化学研究所 | Method for dismantling electronic components on a circuit board by fine sand |
| CN103372697A (en) * | 2012-04-16 | 2013-10-30 | 中国科学院化学研究所 | Sand dismantling method for removing electronic components on substrate |
| CN103480933A (en) * | 2013-09-12 | 2014-01-01 | 伟翔环保科技发展(上海)有限公司 | Method for utilizing high-pressure hot air to automatically separate waste circuit board elements |
| CN103480933B (en) * | 2013-09-12 | 2016-03-23 | 伟翔环保科技发展(上海)有限公司 | A kind of method utilizing high-pressure hot wind to be automatically separated discarded circuit board element |
| CN104030078A (en) * | 2014-05-16 | 2014-09-10 | 铜陵和武机械制造有限责任公司 | Baking and material rolling machine |
| CN105345197A (en) * | 2015-11-14 | 2016-02-24 | 苏州光韵达光电科技有限公司 | Tin removing device for BGA |
| CN105345197B (en) * | 2015-11-14 | 2017-11-28 | 苏州光韵达光电科技有限公司 | A kind of detinning apparatus for BGA |
| CN105327934A (en) * | 2015-12-11 | 2016-02-17 | 珠海格力电器股份有限公司 | System and process for removing components of waste circuit board |
| CN107303622A (en) * | 2016-04-20 | 2017-10-31 | 张跃 | A kind of clip brazing device and its application method |
| CN111330935A (en) * | 2018-12-18 | 2020-06-26 | 山东华光光电子股份有限公司 | Semiconductor laser electrode wire recycling device and method |
| CN111330935B (en) * | 2018-12-18 | 2021-07-02 | 山东华光光电子股份有限公司 | Semiconductor laser electrode wire recycling device and method |
| CN112342381A (en) * | 2019-08-09 | 2021-02-09 | 云南犀鸟科技有限公司 | Conveyer of circuit board among tin recovery process of preheating structure |
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Open date: 20081224 |