CN202278278U - System for separating electronic elements in waste printed circuit boards by high-frequency induction heating - Google Patents
System for separating electronic elements in waste printed circuit boards by high-frequency induction heating Download PDFInfo
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- CN202278278U CN202278278U CN2011204207544U CN201120420754U CN202278278U CN 202278278 U CN202278278 U CN 202278278U CN 2011204207544 U CN2011204207544 U CN 2011204207544U CN 201120420754 U CN201120420754 U CN 201120420754U CN 202278278 U CN202278278 U CN 202278278U
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- Prior art keywords
- circuit board
- induction heating
- frequency induction
- components
- electronic devices
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 63
- 230000006698 induction Effects 0.000 title claims abstract description 61
- 239000002699 waste material Substances 0.000 title claims abstract description 20
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 238000011084 recovery Methods 0.000 claims abstract description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 20
- 230000000505 pernicious effect Effects 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 239000000155 melt Substances 0.000 claims description 4
- 231100000614 poison Toxicity 0.000 claims description 4
- 230000007096 poisonous effect Effects 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 3
- 230000000704 physical effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000002459 sustained effect Effects 0.000 claims description 2
- 238000003672 processing method Methods 0.000 claims 1
- 238000004064 recycling Methods 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 2
- 229910000679 solder Inorganic materials 0.000 abstract 5
- 239000007789 gas Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 239000002341 toxic gas Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000010953 base metal Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- BUYMVQAILCEWRR-UHFFFAOYSA-N naled Chemical compound COP(=O)(OC)OC(Br)C(Cl)(Cl)Br BUYMVQAILCEWRR-UHFFFAOYSA-N 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Images
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- Processing Of Solid Wastes (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
一种利用高频感应加热分离废旧电路板中电子元器件的系统，该设备包括高频感应加热线圈、电路板固定夹子、可震动元器件回收网、焊锡回收盒、抽气泵、有害气体处理箱、通风口、可开箱盖、震动马达、感应线圈控制箱、外壳、后机盖；废旧电路板被夹于电路板固定夹子上，通过高频感应加热装置对电子元器件与基板连接的针脚处的焊锡进行加热熔化，通过电路板固定夹子震动使电子元器件与基板脱离。脱落下来的元器件和焊锡掉落到可震动元器件回收网上，可震动回收网通过震动使焊锡与元器件分离并继续下落到焊锡回收盒中进行回收。本实用新型具有快速、高效分离电子元器件的特点。
A system for separating electronic components from waste circuit boards by using high-frequency induction heating. The equipment includes high-frequency induction heating coils, circuit board fixing clips, vibrating component recovery nets, solder recovery boxes, air pumps, and harmful gas treatment boxes. , air vent, openable box cover, vibration motor, induction coil control box, shell, rear machine cover; the waste circuit board is clamped on the circuit board fixing clip, and the pins connecting the electronic components and the substrate are heated by a high-frequency induction heating device The solder at the place is heated and melted, and the electronic components are separated from the substrate through the vibration of the circuit board fixing clip. The fallen components and solder fall onto the vibrable component recycling net, which separates the solder from the components through vibration and continues to fall into the solder recycling box for recycling. The utility model has the characteristics of fast and efficient separation of electronic components.
Description
Technical field:
The present invention relates to a kind of system that utilizes electronic devices and components in the high-frequency induction heating separating waste, worn circuit board, belong to electronic device recovery gear field.
Background technology:
Modern social development's speed is accelerated day by day, and Informatization Development is particularly violent, and the thing followed is the generation of a large amount of electron wastes.These electron wastes have brought serious harm for society and environment, waste and old printed circuit board be exactly have much in these electron wastes representational a kind of.Waste and old printed circuit board mainly is made up of substrate and the various members that weld on it, wherein contains a large amount of base metals and part precious metal, can pass through the special process recycling.Simultaneously, some also can reuse the electronic devices and components on the circuit board after reliability detects, and can carry out Selective Separation and individual processing to the electronic devices and components that contain hazardous substance in addition, can prevent contaminate subsequent technology like this.Based on above some, waste and old printed circuit board reasonably reclaimed just seem particularly important.To reclaim it, the electronic component at first will the disconnect circuit plate, requirement in demolishing process, the fast Demolition electronic devices and components guarantee the excellent of electronic component on the other hand as far as possible on the one hand, can also reclaim scolder at last.But the dismounting of electronic devices and components at present can guarantee the excellent of its components and parts to a certain extent generally by manual completion, but along with waste and old circuit board is increasing, the manual dismounting obviously can not meet the demands.
Chinese invention patent CN200960577Y (day for announcing 2007.10.17) has proposed a kind of extracting tool, sends circuit board, device to be removed and extracting tool to the reflow ovens heating together, utilizes the spring restoring force that device to be removed is separated with circuit board then.Its shortcoming is: circuit board integral body is heated, and yielding deliquescing is damaged, and this moment is more complicated with being connected of components and parts; The simple restoring force of spring that leans on is difficult for making device to be removed to separate with circuit board; The dismounting rate is not high, removes not thoroughly, and the circuit board of distortion also has certain influence to post-processed.Chinese invention patent CN201235436Y (day for announcing 2009.5.13) has proposed a kind of circuit board demountor device, is in the lower end, middle part of transmission net the purpose that heating tube heater circuit plate reaches dismounting to be set.Its shortcoming is: heating tube is through transmission net indirect circuit board; Its efficiency of heating surface is not high, and the stitch of electronic devices and components can not thoroughly melt on the circuit board, and components and parts separate not thorough with circuit board; Circuit board during through the transmission net integral body be heated and very easily be damaged, influential to post-processed.
High-frequency induction heating is that metallic conductor is put into inductor (coil), when feeding the alternating current of certain frequency in the inductor, promptly produces alternating magnetic field on every side.Utilize high-frequency induction in metallic conductor (scolding tin), to produce induced electromotive force, produce induced-current then, electric current according to Joule's law, sends a large amount of heats and makes metallic conductor (scolding tin) be heated fusing then in metallic conductor (scolding tin).Its advantage is the highest, fastest to the metal material efficiency of heating surface, and low consumption environment protection.It has been widely used in the heat treated of all trades and professions to metal material.It not only can heat whole workpiece, can also be to the local specific aim heating of workpiece; The deep layer that can realize workpiece is diathermanous, also can only concentrate heating to its surface, top layer; Can realize metal and nonmetal difference heating.
Summary of the invention
For solve in the unloading process separate not thorough, the problem that the dismounting rate is not high, the present invention uses the high-frequency induction heating effect and has proposed a kind of method and system of utilizing electronic devices and components in the high-frequency induction heating separating waste, worn circuit board.
The system of electronic devices and components in the high-frequency induction heating separating waste, worn circuit board, it comprises: it comprise high-frequency induction heating coil 101, circuit board fixedly clip 102, can shake components and parts reclaim net 103, scolding tin reclaim box 104, aspiration pump 105, pernicious gas treatment box 106, ventilating opening 107, can unpack cover 108, vibrating motor 109, induction coil control cabinet 110, shell 111, back cover 112; System ontology is made up of shell 111, the back cover 112 that is connected the unpacked lid 108 of cover top portion and is positioned at the shell side, and it constitutes the cavity of a sealing; High-frequency induction heating coil 101 is arranged at top in the system ontology inside, and back cover 112 middle and upper parts are equipped with the aperture that high-frequency induction heating coil 101 is installed, and guarantee its sealing; The input of high-frequency induction heating coil 101 passes back cover 112 and is connected the high-frequency induction heating apparatus that constituted system with the induction coil control cabinet 110 at system ontology back; Vibrating motor 109 pass can unpack cover 108 with circuit board fixedly clip 102 be connected, constituted the circuit board vibrations fixture of system; Circuit board fixedly clip 102 is in sustained height with high-frequency induction heating coil 101; Ventilating opening 107 and aspiration pump 105 are set respectively in the both sides of shell 111; The side plate that aspiration pump 105 passes shell 111 is connected with pernicious gas treatment box 106 through pipeline, ventilating opening 107, aspiration pump 105 and the pernicious gas treatment box 106 common poisonous and harmful circulating treating systems of forming; Be provided with below in system ontology and can shake components and parts recovery net 103, its bottom is provided with scolding tin and reclaims box 104.
Said circuit board fixedly clip 102 integral body is processed by plastic material.
Circuit board fixedly clip 102 is connected in vibrating motor 109 through connecting rod.
Liquid is the low-temperature alkali organic solvent in the said pernicious gas treatment box 106, comprises ethanol and ether.
Said induction coil control cabinet 110, its electrical quantity: power frequency 50kHz, electric current 30-50A, correspondence 6s-10s heat time heating time.
Circuit board fixedly clip 102 adds and holds circuit board; Circuit board is eddy-current heating in high-frequency induction heating coil 101; The scolding tin at the stitch place that components and parts are connected with substrate is induction heated and melts, and under the physical action of circuit board vibrations fixture, comes off simultaneously, separates with substrate; The electronic devices and components that come off drop in the gravity effect and can shake components and parts and reclaim net 103, and the scolding tin that fusing comes off drops to scolding tin again and reclaims box 104 and obtain reclaiming through reclaiming the net vibrations.
Native system is in processing procedure, and circuit board is fixed in the middle of two plastic grips, and two plastic grip intermediate distance scalable are to adapt to the circuit board of different sizes.Form the poisonous and harmful circulating treating system by said ventilating opening 107, aspiration pump 105 and pernicious gas treatment box 106.In the heating process the toxic and harmful that produces get into pernicious gas treatment boxes 106 through aspiration pump 105 and carry out safe handling; Ventilating opening 107 blasts air in system makes the whole system inner air reach circulation; Liquid is the low-temperature alkali organic solvent in the pernicious gas treatment box 106; Comprise ethanol and ether, toxic gas is absorbed by organic solvent.
Characteristics of the present invention are only metal scolding tin to be heated through high-frequency induction heating; Make it fusing, high molecule plastic is not acted on, combining with physical shock simultaneously makes electronic devices and components come off with circuit substrate to separate; Melts soldering tin speed is high, and electronic devices and components are harmless intact.
Description of drawings
Fig. 1 is an agent structure sketch map of the present invention.
Fig. 2 is the front view of high-frequency induction heating apparatus of the present invention.
Fig. 3 is the vertical view of high-frequency induction heating apparatus of the present invention.
Label among the figure: 101, high-frequency induction heating coil, 102, the fixing clip of circuit board, 103, can shake components and parts and reclaim net; 104, scolding tin reclaims box, and 105, aspiration pump, 106, the pernicious gas treatment box; 107, ventilating opening, 108, the lid of can unpacking, 109, vibrating motor; 110, induction coil control cabinet, 111, shell, 112, the back cover.
The specific embodiment
The present invention will be described according to accompanying drawing below.
Fig. 1 is the main body view of whole system.The shell 111 of whole system is made by high molecule plastic, to guarantee that induction coil is to not influence of external frame.System ontology by shell 111, can unpack cover 108 and the back cover 112 form; High-frequency induction heating coil 101 is arranged at top in the internal system, and cover 112 middle and upper parts are equipped with the aperture that high-frequency induction heating coil 101 is installed after the system, and guarantee its sealing.High-frequency induction heating coil 101 passes back cover 112 and is connected with the induction coil control cabinet 110 at system back, the two has constituted system high-frequency induction heating apparatus; Vibrating motor 109 pass can unpack cover 108 with circuit board fixedly clip 102 be connected, the two has constituted circuit board vibrations fixture of system; Ventilating opening 107 and aspiration pump 105 are set respectively in the both sides of shell 111; The side plate that aspiration pump 105 passes shell 111 is connected with pernicious gas treatment box 106 through pipeline, ventilating opening 107, aspiration pump 105 and the pernicious gas treatment box 106 common poisonous and harmful circulating treating systems of forming; Be provided with below in internal system and can shake components and parts recovery net 103, its bottom is provided with scolding tin and reclaims box 104.
Fig. 2 is the front view of high-frequency induction heating apparatus of the present invention.The input line of figure medium-high frequency load coil 101 passes the back cover 112 that is equipped with the aperture and is connected with thereafter induction coil control cabinet 110, has constituted the high-frequency induction heating apparatus of system.
Fig. 3 is the vertical view of high-frequency induction heating apparatus of the present invention.
In the equipment course of work; Be heated circuit board and can emit some toxic gases; Like dibrom furan etc.; Toxic gas can be drawn into suction opeing fully and get into pernicious gas treatment box 106 through pipeline under blast orifice 107 and aspiration pump 105 act synergistically this moment, made toxic gas obtain smoothly handling.
Circuit board is eddy-current heating in high-frequency induction heating coil 101, and the scolding tin at the stitch place that components and parts are connected with substrate is induction heated and melts, and under the physical action of circuit board vibrations fixture, comes off simultaneously, separates with substrate.The electronic devices and components that come off drop in the gravity effect and can shake components and parts and reclaim net 103, and the scolding tin that fusing comes off drops to scolding tin again and reclaims box 104 and obtain reclaiming through reclaiming the net vibrations.
Course of work example.
Example 1.
Get a waste and old circuit board, at first the plug-in unit on the waste and old circuit board, buckle are removed, and some screw members are removed, remove some electric wires, at last circuit board is classified with size shape.
Opening to unpack covers 108, and at the circuit board circuit board of fixedly packing in the clip 102, covering to unpack covers 108; Open blast orifice 107 and air pump 105, open vibrating motor 109, make and to shake components and parts and reclaim net 103 and be in vibrating state; Open induction coil control cabinet 110 switches, set HF induction heating apparatus electric current 50kHz, 30A; Heat time heating time, 10s carried out eddy-current heating.
Close vibrating motor, opening to unpack covers 108, takes off circuit board, and at this moment, electronic devices and components come off totally basically on the circuit board.
Example 2.
Opening to unpack covers 108, and at the circuit board circuit board of fixedly packing in the clip 102, covering to unpack covers 108; Open blast orifice 107 and air pump 105, open vibrating motor 109, make and to shake components and parts and reclaim net 103 and be in vibrating state; Open induction coil control cabinet 110 switches, set HF induction heating apparatus electric current 50kHz, 40A; Heat time heating time, 8s carried out eddy-current heating.
Close vibrating motor, opening to unpack covers 108, takes off circuit board, and at this moment, electronic devices and components come off totally fully on the circuit board.
Example 3.
Opening to unpack covers 108, and at the circuit board circuit board of fixedly packing in the clip 102, covering to unpack covers 108; Open blast orifice 107 and air pump 105, open vibrating motor 109, make and to shake components and parts and reclaim net 103 and be in vibrating state; Open induction coil control cabinet 110 switches, set HF induction heating apparatus electric current 50kHz, 50A; Heating 6s carries out eddy-current heating.
Close vibrating motor, opening to unpack covers 108, takes off circuit board, and at this moment, electronic devices and components come off totally fully on the circuit board.Circuit board has softening slightly.
Claims (4)
1. utilize the system of electronic devices and components in the high-frequency induction heating separating waste, worn circuit board, it comprises: it comprise high-frequency induction heating coil (101), circuit board fixedly clip (102), can shake components and parts and reclaim net (103), scolding tin and reclaim box (104), aspiration pump (105), pernicious gas treatment box (106), ventilating opening (107), the lid (108) of can unpacking, vibrating motor (109), induction coil control cabinet (110), shell (111), back cover (112); It is characterized in that: system ontology is made up of shell (111), the back cover (112) that is connected the unpacked lid (108) of cover top portion and is positioned at the shell side, and it constitutes the cavity of a sealing; High-frequency induction heating coil (10) 1 is arranged at top in the system ontology inside, and back cover (112) middle and upper part is equipped with the aperture that high-frequency induction heating coil (101) is installed, and guarantees its sealing; The input of high-frequency induction heating coil (101) passes back cover (112) and is connected the high-frequency induction heating apparatus that constituted system with the induction coil control cabinet (110) at system ontology back; Vibrating motor (109) pass can unpack lid (108) and circuit board fixedly clip (102) be connected, constituted the circuit board vibrations fixture of system; Circuit board fixedly clip (102) is in sustained height with high-frequency induction heating coil (101); Ventilating opening (107) and aspiration pump (105) are set respectively in the both sides of shell (111); The side plate that aspiration pump (105) passes shell (111) is connected with pernicious gas treatment box (106) through pipeline, and ventilating opening (107), aspiration pump (105) and pernicious gas treatment box (106) are formed the poisonous and harmful circulating treating system jointly; Be provided with below in system ontology and can shake components and parts recovery net (103), its bottom is provided with scolding tin and reclaims box (104).
2. the system that utilizes electronic devices and components in the high-frequency induction heating separating waste, worn circuit board according to claim 1 is characterized in that: said circuit board fixedly clip (102) integral body is processed by plastic material,
Circuit board fixedly clip (102) is connected in vibrating motor (109) through connecting rod.
3. the system that utilizes electronic devices and components in the high-frequency induction heating separating waste, worn circuit board according to claim 1; It is characterized in that: said induction coil control cabinet (110); Its electrical quantity: power frequency 50kHz, electric current 30-50A, correspondence 6s-10s heat time heating time.
4. application rights requires the 1 described processing method of utilizing the system of electronic devices and components in the high-frequency induction heating separating waste, worn circuit board; It is characterized in that: circuit board fixedly clip (102) adds and holds circuit board; Circuit board is eddy-current heating in high-frequency induction heating coil (101); The scolding tin at the stitch place that components and parts are connected with substrate is induction heated and melts, and under the physical action of circuit board vibrations fixture, comes off simultaneously, separates with substrate; The electronic devices and components that come off drop in the gravity effect and can shake components and parts and reclaim net (103), and the scolding tin that fusing comes off drops to scolding tin again and reclaims box (104) and obtain reclaiming through reclaiming the net vibrations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204207544U CN202278278U (en) | 2011-10-28 | 2011-10-28 | System for separating electronic elements in waste printed circuit boards by high-frequency induction heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204207544U CN202278278U (en) | 2011-10-28 | 2011-10-28 | System for separating electronic elements in waste printed circuit boards by high-frequency induction heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202278278U true CN202278278U (en) | 2012-06-20 |
Family
ID=46224464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204207544U Expired - Lifetime CN202278278U (en) | 2011-10-28 | 2011-10-28 | System for separating electronic elements in waste printed circuit boards by high-frequency induction heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202278278U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500858A (en) * | 2011-10-28 | 2012-06-20 | 北京工业大学 | System for separating electronic component in waste and old circuit board by utilizing high-frequency induction heating and method |
| CN105345421A (en) * | 2015-11-11 | 2016-02-24 | 惠州Tcl移动通信有限公司 | Screen disassembly device and screen disassembly system |
-
2011
- 2011-10-28 CN CN2011204207544U patent/CN202278278U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500858A (en) * | 2011-10-28 | 2012-06-20 | 北京工业大学 | System for separating electronic component in waste and old circuit board by utilizing high-frequency induction heating and method |
| CN105345421A (en) * | 2015-11-11 | 2016-02-24 | 惠州Tcl移动通信有限公司 | Screen disassembly device and screen disassembly system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120620 Effective date of abandoning: 20141126 |
|
| RGAV | Abandon patent right to avoid regrant |