CN103990879A - Disassembling device of circuit board with components and parts and disassembling method of disassembling device - Google Patents
Disassembling device of circuit board with components and parts and disassembling method of disassembling device Download PDFInfo
- Publication number
- CN103990879A CN103990879A CN201410212189.0A CN201410212189A CN103990879A CN 103990879 A CN103990879 A CN 103990879A CN 201410212189 A CN201410212189 A CN 201410212189A CN 103990879 A CN103990879 A CN 103990879A
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- China
- Prior art keywords
- circuit board
- disassembling
- air
- shaker separator
- component circuit
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Classifications
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- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/018—Unsoldering; Removal of melted solder or other residues
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
- B23K2101/42—Printed circuits
Abstract
The invention discloses a disassembling device of a circuit board with components and parts and a disassembling method of the disassembling device. The disassembling device comprises a shell, a feeding gate valve, an air outlet, an air inlet, a soldering tin liquid discharging valve, a discharging gate valve, a rotary separating cylinder, a vibration separating screen, an electric heating device, a spring device, a soldering tin liquid containing tank, a transmission shaft, a vibration motor and a transmission motor, wherein the feeding gate valve, the air outlet, the air inlet, the soldering tin liquid discharging valve and the discharging gate valve are arranged on the shell, the rotary separating cylinder, the vibration separating screen, the electric heating device, the spring device, the soldering tin liquid containing tank and the transmission shaft are arranged inside the shell, and the vibration motor and the transmission motor are arranged outside the shell. A method integrating electric heating and hot air heating is used for controlling internal temperature to be distributed evenly, a mode integrating the rotary separating cylinder, a baffle and the vibration separating screen is used for providing required disassembling force and forward power for the circuit board, and therefore it is guaranteed that soldering tin liquid and the components and parts efficiently fall off from the circuit board and are smoothly discharged. The disassembling device and the disassembling method achieve an even heating temperature field, automatic and continuous feeding and discharging and cyclic utilization of hot air, the whole processing procedure is closed and cycled, and secondary pollution will not be produced.
Description
Technical field
The present invention relates to disassembling, reclaim, regenerating with component circuit board; belong to that industrial waste in field of environment protection is processed, resource technology field, specifically a kind of electronic devices and components on circuit board and scolder are disassembled to the device and method that sorting harmless resource reclaims.
Background technology
Along with the fast development of scientific and technological development, particularly high and new technology, the speed that electronic product updates is constantly accelerated, and circuit board is as part indispensable in electronic product, and its discarded amount grows with each passing day especially.According to statistics, global electron wastes, with 18% speed increment, becomes fastest-rising rubbish.Data demonstration, the electron wastes that current whole Europe produces is 600-800 ten thousand t, the electron wastes of the U.S. accounts for the 2%-5% of the whole America quantity of refuse.And China, from 2004, has at least 5,000,000 computers, 5,000,000 television sets, 5,000 ten thousand mobile phones, 5,000,000 washing machines, 4,000,000 refrigerators to enter the date of retirement every year, and the amount of consequent discarded printed circuit boards is also very huge.And according to statistics, the electronic waste in the whole world 80% is transported to Asia, at this, wherein have again 90% to enter into China.In discarded printed circuit boards, contain various heavy and other harmful substances, it is danger wastes, if dealt with improperly, will work the mischief to the mankind and ecological environment.
On the other hand, in discarded printed circuit boards, comprise again many valuable resources, if it is rationally utilized, will produce very large economic worth.The result of study of Technical University Of Denmark shows: in the discarded printed circuit boards that 1t arbitrarily collects, approximately contain 0.454kg gold, 130kg copper, 40kg lead, 20kg nickel, 10kg antimony and 272kg plastics, if suitable recycling in addition, only the gold of this 0.454kg is just worth 110,000 yuans of left and right.Meanwhile, the nonferrous metal resource of China is rare, along with scientific and technological development, the raising of economic level, non-ferrous metal breach constantly increases, and the dependence of external import is strengthened day by day, this has seriously restricted economic development and the initiative in international economy negotiation of China, so the recovery to non-ferrous metal in electronic waste, will play the effect can not be ignored to the economic development of China.
Disassembling as the first step in useless circuit board resources process of useless circuit board is also a vital step.Circuit board complicated component, element is of a great variety and constituent content differs greatly, and in removal process, purification of metals difficulty is large; But the contained metal species of different electronic devices and components, content difference on circuit board, if electronic devices and components on circuit board are rationally disassembled and the recovery of classifying, bring very big facility will to the recovery operation of various valuable constituents in circuit board.
At present, disassembling of circuit board mainly contained to two kinds of methods of physics and chemistry.Physical as take liquid (as diesel oil) as add thermal medium, directly with the scolder of melting for adding thermal medium, utilize infrared heating, directly on iron plate, heat etc., but this several method all inevitably can produce circuit board be heated inequality, the electronic devices and components rate of recovery is low, disposal ability is little, easily produce secondary pollution problems.And chemical method exists that operating process is long, cost is high, secondary pollution is serious, be difficult to adapt to the shortcomings such as large-scale industrial production, seldom studied person adopts.Therefore, in the urgent need to developing electronic devices and components automatic disassemble method and device on the efficient circuit board of a kind of environmental protection safety.
The provision for disengagement that Chinese patent < < waste circuit board hook pulling and dismounting device > > (patent No. 200910236223.7) announces, comprise cabinet, heating system, chain connecting gear, hook pulls out Agency And rolling brush mechanism, it is that waste and old circuit board is manually fixed on special mould clamp, by special mould clamp, backed down the flexible baffle of charging aperture, waste and old circuit board is sent in equipment heating system and utilizes hot blast to heat, then utilize the hook effect of pulling out and two rolling brush mechanism of Gou Ba mechanism that components and parts and scolder are removed.In the method, adopt the jet pipe importing hot blast that array structure is arranged in high-temperature region, the upper and lower surface of useless circuit board to be jetted, though this kind of structure guaranteed the local temperature that useless circuit board is disassembled, in disassembling apparatus, temperature field is inhomogeneous, and hot blast waste is more serious; And useless circuit board must carry out artificial block-by-block to be fixed, and treatment effeciency is low, can not adapt to the needs of practical application in industry; In disassembling process, Gou Ba mechanism implements vertical force to electronic devices and components on useless circuit board, and electronic devices and components and pin damage situations thereof are more serious, and at high temperature, it is serious that hook pulls out mechanism wear; The set flexible baffle of charging aperture and discharging opening is poor to the sealing effectiveness of equipment, and the pernicious gas that the process of disassembling produces easily overflows, contaminated environment.
The technique of a Chinese patent < < high efficiente callback waste printed circuit boards solder and device > > (patent No. 200810143250.5) put into the pending useless circuit board that contains electronic devices and components to be provided with turning of a plurality of filter openings, be immersed in heat-conducting liquid, be warming up to melts soldering tin, after temperature constant, separation is carried out in the rotation that makes to turn, scolding tin releases and is deposited on bottom from filter opening, be cooled to ingot, useless circuit board substrate and upper electronic devices and components thereof also correspondingly obtain separation, and in staying and turning.In the method, utilize hot liquid to disassemble the thermal medium that adds in process as useless circuit board, give up circuit board and upper electronic devices and components thereof and scolding tin have been caused to pollution, for follow-up recovery operation has caused difficulty; And useless circuit board is being turned the hot heating liquid of middle utilization apply centrifugal force and carry out separation, for the scolder of melting on useless circuit board can be released by filter opening, useless circuit board must make scolder face contact with the inwall of turning in put procedure, and useless circuit board can only be placed one deck along the inwall of turning, can not overlappingly place, operating process is numerous and diverse, treatment effeciency is low; Meanwhile, in processing procedure, must carry out charging, discharging by the top of turning, be difficult to realize automation and the serialization of charging discharging, disposal ability is less, is not suitable with heavy industrialization application;
The useless electronic circuit board component automatic breaker > > (patent No. 201010552543.6) of Chinese patent < < utilizes burner directly to spray the naked light that burning liquefied gas produces useless electronic circuit board is heated, and then utilizes the discharging of classifying of revolution screen cloth butt welding tin liquor, useless electronic circuit board and upper electronic devices and components thereof.In the method, utilize the naked light of burner ejection directly useless electronic circuit board to be heated, heating-up temperature skewness, and near burner naked light place excess Temperature, giving up, electronic circuit board is as easy as rolling off a log to be burnt; In rotary furnace, utilize merely centrifugal force to disassemble useless electronic circuit board, disassemble effect bad; And, device for disassembling blow-by, the pernicious gas producing in disassembling process easily leaks and contaminated environment.
In sum, circuit board disassemble that the uniformity that difficult point in process is heating-up temperature is controlled, the automation of charging discharging and the sealing problem of continuous operation and treating apparatus.Up to the present, the disassembling apparatus of all circuit boards does not all address these problems well.
Summary of the invention
The present invention is directed to the deficiency of above-mentioned prior art, a kind of disassembling apparatus with component circuit board and disassembling method thereof are provided, technique is simple, circuit board is heated evenly, operating temperature is relatively low, do not produce naked light, do not produce secondary pollution, charging and discharging realizes automation serialization, disposal ability is large, operating cost is low, equipment attrition is little, is applicable to large-scale industrial production.
The principle of the invention is as follows:
Disassembling of components and parts on circuit board is divided into two steps, first the circuit board with components and parts heated, and makes scolder on it reach molten condition; Then the circuit board after heating is applied to certain external force, tin soldering liquid and components and parts are come off from circuit board substrate, reach the object of disassembling with component circuit board.In heating process, heat medium, mode of heating choose and disassembling apparatus in the control of temperature distribution evenness, the rate of disassembling of components and parts on circuit board, the generation of disassembling quality and disassembling process pollutant are played to vital effect; And to the choosing of circuit board force mechanism, be to determine that it disassembles the key that process charging, discharging can realize automation, serialization.
For achieving the above object, the present invention heats tip-off by electrical heating and the mode that passes into the combination of two kinds of heating means of hot-air to band component circuit board, and controls, guarantees the uniformity of automatic disassembling device interior temperature distribution, band component circuit board enters into rotation cylinder by material-feeding plugboard valve and rotates and move to discharge end, with the rotation of rotating cylinder, the baffle plate that is arranged on rotation cylinder inside will bring to component circuit board the top of rotating in cylinder, then landing fall to the bottom of rotating in cylinder from baffle plate, thereby produce vibration, tin soldering liquid and components and parts come off from circuit board, then enter shaker separator and carry out mechanical oscillation, the tin soldering liquid not coming off from circuit board in rotating cylinder and components and parts are carried out further vibrating and disassembling and sieve, thereby realize the efficient disengaging from circuit board of tin soldering liquid and components and parts, to rotate cylinder, the mode of baffle plate and three Mechanism Combinations of shaker separator is for providing its required power of disassembling and the power of advancing to discharge end with component circuit board, assurance is efficiently disassembled and discharging smoothly with component circuit board, tin soldering liquid enters tin soldering liquid by shaker separator and accommodates pond, and discharges through tin soldering liquid dump valve, unclassified stores (substrate and electronic devices and components) is discharged through discharging push-pull valve, the hot-air of discharging through gas outlet enters air heating apparatus and is again heated into the hot-air that requires operating mode after purifying and dedusting, and introduces automatic disassembling device and work on, and recycles, and has both saved the energy and operating cost, has reduced again the discharge of thermal pollution, charging and discharging adopt double-layer seal push-pull valve structure, guarantee to have automaticity and the continuity of the sealing of the automatic disassembling device with component circuit board of heating function and charging, discharging, improved the treatment effeciency of the automatic disassembling device with component circuit board with heating function, whole device seal operation, whole flow process closed circulation, device disposal ability is large, operating cost is low, do not produce the discharge of secondary pollution, is applicable to large-scale industrial production.
Concrete technical solution of the present invention is as follows:
A kind of disassembling apparatus with component circuit board, its feature is, comprise housing, be arranged on material-feeding plugboard valve, gas outlet, air inlet, tin soldering liquid dump valve, discharging push-pull valve on this housing, and the rotation cylinder, shaker separator, electric heater unit, spring assembly, the tin soldering liquid that are arranged on this enclosure interior accommodate pond and power transmission shaft, and the vibrating motor and the driving motor that are arranged on this hull outside;
The annexation of above-mentioned each parts is as follows:
Described housing one end connects material-feeding plugboard valve, and the other end connects discharging push-pull valve, and described housing is provided with gas outlet and air inlet;
In described housing along continuous straight runs, be provided with and rotate cylinder and shaker separator obliquely, material-feeding plugboard valve described in described rotation cylinder charging termination, the discharge end of this rotation cylinder is connected with the feed end of described shaker separator, discharging push-pull valve described in the discharging termination of this shaker separator, in the horizontal direction, described rotation cylinder is connected end higher than rotating the cylinder end that is connected with shaker separator with material-feeding plugboard valve, rotation cylinder is connected with shaker separator and holds the end that is connected with discharging push-pull valve higher than shaker separator;
Described rotation cylinder is connected with driving motor through power transmission shaft, and described rotation cylinder is circumscribed with electric heater unit;
Described shaker separator is connected with vibrating motor through spring assembly, is provided with tin soldering liquid and accommodates pond under described shaker separator, and the below that this tin soldering liquid is accommodated pond is provided with tin soldering liquid dump valve, and this tin soldering liquid dump valve is connected with described housing.
Also comprise the purifier and the air heating apparatus that are arranged on hull outside;
One end of described purifier is connected with described gas outlet, and the other end is connected with one end of air heating apparatus, and the other end of this air heating apparatus is connected with described air inlet.
In described rotation cylinder, be evenly distributed with polylith baffle plate, the length of this baffle plate is identical with the length of rotating cylinder, described barrier width is 100mm～400mm, this baffle length direction is parallel with rotation cylinder length direction simultaneously, and this barrier width direction is vertical with the tangential direction of the contact point of rotation cylinder and baffle plate.
Described electric heater unit is equidistant, be evenly distributed on outside described rotation cylinder, and spacing is 5mm～200mm, and described electric heater unit is fixed in inner walls.
Described material-feeding plugboard valve and described discharging push-pull valve are double-layer seal push-pull valve, and opening/closing time≤10s;
Mesh≤the 5mm of described shaker separator;
Described air inlet is arranged at discharge end, and for the introducing of hot-air, described gas outlet is arranged at feed end, for the discharge of hot-air.
Utilize the described disassembling method with component circuit board, its feature is, the method comprises the steps:
A, through air inlet, pass into hot-air, and utilize electric heater unit to carry out the electrical heating of enclosure interior, so that enclosure interior uniformity of temperature profile;
B, band component circuit board carry out entering shaker separator after separating treatment in rotating cylinder;
C, in shaker separator, to not carrying out further vibrating and disassembling and sieve from the tin soldering liquid and the components and parts that come off with component circuit board, tin soldering liquid and components and parts are come off from band component circuit board, simultaneously, sieving actoion through shaker separator, tin soldering liquid falls into tin soldering liquid and accommodates pond through the screen cloth of shaker separator, with the substrate of component circuit board and electronic devices and components under the effect of vibration of shaker separator, from the feed end of shaker separator, move to the discharge end of shaker separator, then fall into discharging push-pull valve, classification is reclaimed;
D, hot-air are discharged through gas outlet.
The method also comprises step:
The hot-air of E, discharge carries out purifying and dedusting through purifier, and the hot-air after purifying and dedusting is introduced into air heating apparatus, is heated into the hot-air that requires operating mode by air heating apparatus, and is introduced in housing by air inlet, works on, and recycles.
The hot-air of purifying and dedusting is produced by air heating apparatus, and temperature is that 190 ℃～300 ℃, pressure are normal pressure.
Electric heater unit heating-up temperature is 190 ℃～300 ℃.
Tip-off refers to that the solder joint with component circuit board is partly heated to 193-243 ℃.
Vibrosieve utilizes vibrating motor to drive shaker separator to carry out mechanical oscillation realization, and vibrosieve refers to that shaker separator carries out above-below direction vibration, and Oscillation Amplitude is 1mm～10mm.
The concrete processing procedure of the present invention is as follows:
1, open electric heater unit and air heating apparatus, to housing, pass into hot-air, carry out preheating;
2, when internal temperature reaches requirement, start charging, circuit board with components and parts is entered in rotation cylinder and is rotated and move to discharge end by material-feeding plugboard valve, with the rotation of rotating cylinder, the baffle plate that is arranged on rotation cylinder inside will bring to component circuit board the top of rotating in cylinder, then landing fall to the bottom of rotating in cylinder from baffle plate, thus vibration produced, tin soldering liquid and components and parts are come off from circuit board;
3, wait being with component circuit board rotating to reach in cylinder, specify while requiring, enter into shaker separator and vibrate separated and screening, the tin soldering liquid of failing to come off from circuit board in rotating cylinder and components and parts are carried out to further vibration and disassemble, thereby realize circuit board substrate, on it, components and parts and tin soldering liquid is efficiently separated;
4, tin soldering liquid drops into tin soldering liquid through the screen cloth of shaker separator and accommodates pond, and discharges by tin soldering liquid dump valve; Circuit board substrate and on it components and parts under the effect of vibration of shaker separator, from the feed end of shaker separator, move to the discharge end of shaker separator, then fall into discharging push-pull valve, and directly discharge through discharging push-pull valve;
The hot-air of 5, discharging through gas outlet enters into purifier, after purifier purifying and dedusting, be introduced in air heating apparatus, through air heating apparatus, be heated into the hot-air that requires operating mode, then in air inlet enters into housing, work on, realize hot air circulate utilization.
Enclosure interior of the present invention adopts totally-enclosed sealing cycling, and efficiency is high, pollution-free, meets energy-saving and emission-reduction, environment protection requirement; Compared with prior art, the mode that the present invention adopts electrical heating and passes into two kinds of heating means combinations of hot-air is to being with component circuit board to heat tip-off, and circuit board is heated evenly, and the process of disassembling does not produce naked light, do not produce secondary pollution; Adopt the mode of rotating cylinder, baffle plate and three Mechanism Combinations of shaker separator for its required power of disassembling and the power of advancing to discharge end are provided with component circuit board, guaranteed the efficient disengaging from circuit board of components and parts and tin soldering liquid and discharging smoothly; Charging, discharging adopt double-layer seal push-pull valve to guarantee automaticity, continuity and the sealing of charging discharging.
To sum up, the present invention has that heat medium is clean, heating-up temperature field evenly, does not produce the outstanding advantages such as naked light, charging and discharging Automatic continuous, disposal ability are large, non-secondary pollution discharge.
Accompanying drawing explanation
Fig. 1 is the disassembling method flow chart of band component circuit board of the present invention.
Fig. 2 is the structural representation of the disassembling apparatus of band component circuit board of the present invention.
In figure, 1 is the disassembling apparatus with component circuit board; 101 for rotating cylinder; 102 is shaker separator; 103 is electric heater unit; 104 is baffle plate; 2 is purifier; 3 is air heating apparatus; 4 is band component circuit board; 5 is unclassified stores, comprises circuit board substrate and upper electronic devices and components thereof; 6 is tin soldering liquid; A1 is material-feeding plugboard valve; A2 is gas outlet; A3 is housing; A4 is air inlet; A5 is spring assembly; A6 is tin soldering liquid dump valve; A7 is that tin soldering liquid is accommodated pond; A8 is vibrating motor; A9 is discharging push-pull valve; A10 is power transmission shaft; A11 is driving motor.
The specific embodiment
Below in conjunction with specific embodiment, the invention will be further described.Following examples do not form limitation of the invention.
The present invention heats tip-off by electrical heating and the mode that passes into the combination of two kinds of heating means of hot-air to the circuit board with components and parts, and controls, guarantees the uniformity of automatic disassembling device interior temperature distribution; Take rotate cylinder, baffle plate and three Mechanism Combinations of shaker separator mode as its required power of disassembling and the power of advancing to discharge end are provided with component circuit board, guaranteed efficiently disassembling and discharging smoothly with component circuit board; The hot-air of discharging through gas outlet enters air heating apparatus and is again heated into the hot-air that requires operating mode after purifying and dedusting, and introduces automatic disassembling device and work on, and recycles, and has both saved the energy and operating cost, has reduced again the discharge of thermal pollution; Charging and discharging adopt double-layer seal pneumatic gate valve structure, guarantee to have automaticity and the continuity of the sealing of the automatic disassembling device with component circuit board of heating function and charging, discharging, improved the treatment effeciency of the automatic disassembling device with component circuit board with heating function; Whole device seal operation, whole flow process closed circulation, device disposal ability is large, operating cost is low, do not produce the discharge of secondary pollution, is applicable to large-scale industrial production.
Fig. 1 is a kind of automatic disassemble method flow diagram with component circuit board of the present invention, has shown a kind of automatic disassemble flow process with component circuit board that meets the specific embodiment of the invention.A kind of automatic disassemble method flow with component circuit board comprises that rotating cylinder 101 drives wherein baffle plate 104 to rotate, this baffle plate 104 will bring to the top of this rotation cylinder 101 with component circuit board 4, then this circuit board 4 with components and parts landing from this baffle plate 104 is rotated the bottom in cylinder 101 to this, thereby produce vibration, due to this, rotate the differential seat angle of cylinder 101 horizontal directions, band component circuit board 4 moves to discharge end simultaneously; Electric heater unit 103 heats in rotation cylinder 101 outsides; 102 pairs of band component circuit boards 4 of shaker separator carry out further vibrosieve, obtain sieving product tin soldering liquid 6 and unclassified stores (substrate and components and parts) 5; Tin soldering liquid 6 enters tin soldering liquid by shaker separator 102 and accommodates pond a7, and discharges by tin soldering liquid dump valve a6; Unclassified stores (substrate and components and parts) 5 enters into discharging push-pull valve a9, then directly discharges; The hot-air of discharging through gas outlet enters purifier 2 and carries out purifying and dedusting processing; Air after purifying and dedusting enters air heating apparatus 3 and is heated into the hot-air that requires operating mode, and the hot-air after air heating apparatus heating passes into housing 1 and works on, and recycles.
Fig. 2 is the automatic disassembling device schematic diagram with component circuit board that the present invention has heating function, as shown in the figure, a kind of disassembling apparatus with component circuit board, comprise that rotating cylinder 101, shaker separator 102, electric heater unit 103, baffle plate 104, material-feeding plugboard valve a1, gas outlet a2, housing a3, air inlet a4, spring assembly a5, tin soldering liquid dump valve a6, tin soldering liquid accommodates pond a7, vibrating motor a8, discharging push-pull valve a9, power transmission shaft a10 and driving motor a11, and each several part connects as a whole, seal operation.Housing a3 one end connects material-feeding plugboard valve a1, and the housing a3 other end connects discharging push-pull valve a9; In housing a3, laterally horizontal tilt arranges rotation cylinder 101 and shaker separator 102 successively; Rotate cylinder 101 one end and tap into material push-pull valve a1, rotate cylinder 101 another termination shaker separators 102, and rotate cylinder 101 and tap into material push-pull valve a1 end and connect shaker separator 102 ends higher than rotating cylinder 101, and inclination angle is 1 °～10 °; And rotate cylinder 101 connection for transmission axle a10, power transmission shaft a10 connection for transmission motor a11; Rotate cylinder 101 inside 1～4 baffle plate 104 is evenly set, and baffle plate 104 length equal to rotate cylinder 101 length, baffle plate (104) width is 100mm～400mm, baffle plate (104) length direction is parallel with rotation cylinder (101) length direction simultaneously, and the width of baffle plate (104) is vertical with the tangential direction of the contact point of baffle plate (104) with rotation cylinder (101); Rotate cylinder 101 outsides electric heater unit 103 equidistantly, is evenly set, and apart from being 5～200mm, electric heater unit 103 is fixed on housing a3 inside simultaneously; Moving cylinder 101 is switched through in shaker separator 102 one end, and shaker separator 102 other ends pick out material push-pull valve a9, and shaker separator 102 switches through moving cylinder 101 ends and pick out material push-pull valve end a1 higher than shaker separator 102, and inclination angle is 1 °～8 °; Shaker separator 102 linking springs device a5, spring assembly a5 connecting vibration motor a8; Shaker separator 102 belows arrange tin soldering liquid and accommodate pond a7, and tin soldering liquid is accommodated pond a7 below tin soldering liquid dump valve a6 is set, and tin soldering liquid dump valve a6 is connected with housing a3, and housing a3 arranges air inlet a4 and gas outlet a2;
Rotate cylinder 101 for: make to be with component circuit board 4 to the operation of discharge end direction, and drive baffle plate 104 and band component circuit board 4 to rotate, thereby make to produce with component circuit board 4 the vibration force of whereabouts with baffle plate 104 actings in conjunction;
Shaker separator 102 for: tin soldering liquid 6 is separated with unclassified stores (substrate and electronic devices and components) 5;
Electric heater unit 103 for: to having automatic disassembling device 1 inside with component circuit board of heating function, heat, what guarantee that this has a heating function particularly rotates the uniformity of cylinder 101 interior Temperature Distribution with the automatic disassembling device 1 of component circuit board;
Baffle plate 104 for: drive with component circuit board 4 to the top of rotating in cylinder 101;
Material-feeding plugboard valve a1 is used for: when band component circuit board 4 enters housing a3 or rotates cylinder 101, assurance has the good sealing property of the automatic disassembling device 1 with component circuit board of heating function;
Gas outlet a2 is used for: the discharge of hot-air;
Housing a3 is used for: assurance has sealing and the heat insulating ability of the automatic disassembling device 1 with component circuit board of heating function;
Air inlet a4 is used for: the introducing of hot-air;
Spring assembly a5 is used for: connect shaker separator 102 and vibrating motor a8;
Tin soldering liquid dump valve a6 is used for: the discharge of tin soldering liquid 6;
Tin soldering liquid is accommodated pond a7 for the collection storage of tin soldering liquid 6;
Vibrating motor a8 is used for: for shaker separator 102 provides vibration power;
Discharging push-pull valve a9 is used for: when unclassified stores (substrate and electronic devices and components) 5 is discharged housing a3, guarantee the good sealing property with component circuit board automatic disassembling device 1;
Power transmission shaft a10 is used for: connection of rotating cylinder 101 and driving motor a11;
Driving motor a11 is used for: for rotating cylinder 101, provide rotational power.
During processing, open electric heater unit 103 and pass into hot-air, when the band component circuit board automatic disassembling device 1 interior temperature with heating function reaches requirement, band component circuit board 4 is entered and is rotated cylinder 101 by material-feeding plugboard valve a1, heat and rotate, with the rotation of rotating cylinder 101, baffle plate 104 will bring to the top of rotating in cylinder 101 with component circuit board 4, then with component circuit board 4 from baffle plate 104 landing to the bottom of rotating cylinder 101, thereby produce vibration, tin soldering liquid 6 and components and parts come off from band component circuit board 4, then enter into shaker separator 102 and carry out mechanical oscillation screening, to not carrying out further vibrating and disassembling from the tin soldering liquid 6 and the components and parts that come off with component circuit board 4 in rotating cylinder 101, thereby realize tin soldering liquid 6 and components and parts from the object with efficiently coming off component circuit board 4, after shaker separator 102 screenings, realize the separated of tin soldering liquid 6 and unclassified stores (substrate and electronic devices and components) 5, tin soldering liquid 6 enters into tin soldering liquid by shaker separator 102 and accommodates pond a7, and discharge by tin soldering liquid dump valve a6, meanwhile, unclassified stores (substrate and electronic devices and components) 5 enters into discharging push-pull valve a9, directly discharges, the hot-air of discharging through gas outlet a2 enters into purifier 2, and the air after udst separation is introduced in air heating apparatus 3, is heated to require the hot-air of operating mode, and by air inlet a4, enters into housing a3 and work on.
Should be understood that, to those skilled in the art, can be improved according to the above description or change, and all these improvement and change all should belong to the protection domain of claims of the present invention.
Claims (10)
1. the disassembling apparatus with component circuit board, it is characterized in that, comprise housing (a3), be arranged on the material-feeding plugboard valve (a1) on this housing (a3), gas outlet (a2), air inlet (a4), tin soldering liquid dump valve (a6), discharging push-pull valve (a9), be arranged on the inner rotation cylinder (101) of this housing (a3), shaker separator (102), electric heater unit (103), spring assembly (a5), tin soldering liquid is accommodated pond (a7) and power transmission shaft (a10), and the vibrating motor (a8) and the driving motor (a11) that are arranged on this housing (a3) outside,
The annexation of above-mentioned each parts is as follows:
Described housing (a3) one end connects material-feeding plugboard valve (a1), and the other end connects discharging push-pull valve (a9), and described housing (a3) is provided with gas outlet (a2) and air inlet (a4);
Along continuous straight runs in described housing (a3), be provided with obliquely and rotate cylinder (101) and shaker separator (102), material-feeding plugboard valve (a1) described in described rotation cylinder (101) charging termination, the discharge end of this rotation cylinder (101) is connected with the feed end of described shaker separator (102), discharging push-pull valve (a9) described in the discharging termination of this shaker separator (102), in the horizontal direction, described rotation cylinder (101) is connected end higher than rotating cylinder (101) end that is connected with shaker separator (102) with material-feeding plugboard valve (a1), rotation cylinder (101) is connected with shaker separator (102) and holds the end that is connected with discharging push-pull valve (a9) higher than shaker separator (102),
Described rotation cylinder (101) is connected with driving motor (a11) through power transmission shaft (a10), and described rotation cylinder (101) is circumscribed with electric heater unit (103);
Described shaker separator (102) is connected with vibrating motor (a8) through spring assembly (a5), under described shaker separator (102), be provided with tin soldering liquid and accommodate pond (a7), the below that this tin soldering liquid is accommodated pond (a7) is provided with tin soldering liquid dump valve (a6), and this tin soldering liquid dump valve (a6) is connected with described housing (a3).
2. the disassembling apparatus with component circuit board according to claim 1, is characterized in that, also comprises and is arranged on housing (a3) outside purifier (2) and air heating apparatus (3);
One end of described purifier (2) is connected with described gas outlet (a2), and the other end is connected with the one end of air heating apparatus (3), and the other end of this air heating apparatus (3) is connected with described air inlet (a4).
3. the disassembling apparatus with component circuit board according to claim 1 and 2, it is characterized in that, in described rotation cylinder (101), be evenly distributed with polylith baffle plate (104), the length of this baffle plate (104) is identical with the length of rotating cylinder (101), described baffle plate (104) width is 100mm～400mm, this baffle plate (104) length direction is parallel with rotation cylinder (101) length direction simultaneously, and this baffle plate (104) width is vertical with the tangential direction of the contact point of this baffle plate (104) with rotation cylinder (101).
4. the disassembling apparatus with component circuit board according to claim 1 and 2, it is characterized in that, described electric heater unit (103) is equidistant, be evenly distributed on outside described rotation cylinder (101), and spacing is 5mm～200mm, described electric heater unit (103) is fixed on housing (a3) inwall.
5. the disassembling apparatus with component circuit board according to claim 1 and 2, is characterized in that, described material-feeding plugboard valve (a1) and described discharging push-pull valve (a9) are double-layer seal push-pull valve, and opening/closing time≤10s.
6. the disassembling apparatus with component circuit board according to claim 1 and 2, is characterized in that, the mesh≤5mm of described shaker separator (102).
7. the automatic disassembling device with component circuit board according to claim 1, it is characterized in that, described air inlet (a4) is arranged at discharge end, for the introducing of hot-air, described gas outlet (a2) is arranged at feed end, for the discharge of hot-air.
8. utilize the disassembling method with component circuit board described in claim 2, it is characterized in that, the method comprises the steps:
A, through air inlet (a4), in housing, pass into hot-air, and utilize electric heater unit (103) to carry out the inner electrical heating of housing (a3), so that housing (a3) interior temperature distribution is even;
B, band component circuit board (4) enter shaker separator (102) carry out separating treatment in rotating cylinder (101) after;
C, in shaker separator (102), the tin soldering liquid (6) not coming off from band component circuit board (4) and components and parts are carried out further vibrating and disassembling and sieve, tin soldering liquid (6) and components and parts are come off from band component circuit board (4), simultaneously, sieving actoion through shaker separator (102), tin soldering liquid (6) falls into tin soldering liquid and accommodates pond (a7) through the screen cloth of shaker separator (102), the substrate of band component circuit board (4) and electronic devices and components are under the effect of vibration of shaker separator (102), from the feed end of shaker separator (102), move to the discharge end of shaker separator (102), then fall into discharging push-pull valve (a9), classification is reclaimed,
(a4) discharges through gas outlet for D, hot-air.
9. the disassembling method with component circuit board according to claim 8, is characterized in that, the method also comprises step:
The hot-air of E, discharge carries out purifying and dedusting through purifier (2), hot-air after purifying and dedusting is introduced into air heating apparatus (3), by air heating apparatus (3), be heated into the hot-air that requires operating mode, and be introduced in housing (a3) by air inlet (a2), work on, recycle.
10. the disassembling method with component circuit board according to claim 8, is characterized in that, the heating-up temperature of described electric heater unit (103) is 190 ℃～300 ℃.
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| CN201410212189.0A CN103990879B (en) | 2014-05-20 | 2014-05-20 | Disassembling device of circuit board with components and parts and disassembling method of disassembling device |
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| CN201410212189.0A CN103990879B (en) | 2014-05-20 | 2014-05-20 | Disassembling device of circuit board with components and parts and disassembling method of disassembling device |
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| CN103990879A true CN103990879A (en) | 2014-08-20 |
| CN103990879B CN103990879B (en) | 2017-03-22 |
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