CN201244706Y

CN201244706Y - Apparatus for separating soldering tin and pin of circuit board element

Info

Publication number: CN201244706Y
Application number: CNU2008200539479U
Authority: CN
Inventors: 白风; 李麒麟
Original assignee: Hunan Vary Technology Co Ltd
Current assignee: Hunan Vary Technology Co Ltd
Priority date: 2008-08-01
Filing date: 2008-08-01
Publication date: 2009-05-27
Anticipated expiration: 2018-08-01

Abstract

The utility model discloses a circuit-board element solder tin removal device. A metal-mesh conveyor belt is mounted on the rack, and a heating device is mounted below; the circuit-board is moved to a location above the heating device following the conveyor belt; upon continuous heating, partial stud and solder tin break off automatically and drop into a stainless steel catching basin arranged below; in the meanwhile, the harmful gas generated during the heating process is emitted into the atmosphere after harmless treatment of peculiar smells; a vibrating and recovery device is connected and mounted under the rear cylinder side of the conveyer belt; the melted solder tin and the stud on the circuit fall into the recovery bin under vibration. The device has the advantages of thorough tin removal by heating, full tin reclamation, simple structure, practical function, high efficiency and environment-friendly property.

Description

Wiring board component pins scolding tin separation instrumentation

Technical field:

The utility model relates to environmental protection technical field, is specifically related to a kind of wiring board component pins scolding tin and breaks 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 will break away from the special equipment that a kind of science is provided for wiring board component pins scolding tin exactly.

Summary of the invention:

Technical problem to be solved in the utility model 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 handle the wiring board component pins scolding tin separation instrumentation of pernicious gas, good environmental protection.

The technical solution adopted in the utility model is: this 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.

Operation principle: 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, and wiring board is continued heating, and 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.

Advantageous effect:

The high temperature of the present utility model 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 utility model 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 utility model 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 the utility model structural representation

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 utility model 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.

Operation principle:

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

1, 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.

2, wiring board component pins scolding tin separation instrumentation according to claim 1, it is characterized in that: conveyer belt is made into by steel wire.

3, wiring board component pins scolding tin separation instrumentation according to claim 1, it is characterized in that: heater is made of two or more sets resistance wires.

4, wiring board component pins scolding tin separation instrumentation according to claim 1 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.