CN1111293A - Cyanogen-free electroplating machine - Google Patents

Abstract

The cyanicide electroplating machine consists of five parts of Dc power supply, electrolyser, electroplating pen, electric wire and liquid pipe. By electroplating in ectroplating machine rather than in electroplating bath, various electroplating operation including colouring, repairing, large area and field electroplating can be performed. The said electroplating machine may be also used as electric welder.

Description

Cyanogen-free electroplating machine

The present invention is a cyanogen-free electroplating machine, is applied to the plating of industrial electroplating industry.

In electroplating industry, during plated item generally be in Electroplate Factory, treating that plated product soaks in electrolytic plating pool, allow electroplate liquid cover and bury the position to be plated for the treatment of plated product, to treat that with lead plated product and coated metal connect direct supply and electroplate then, treat just to have plated evenly bright and clean and fine and close coating of one deck on the plated product at last.In order to make coating smooth firmly, prussiate commonly used is prepared electroplate liquid.The existing plating technology, owing to prepare electroplate liquid with prussiate, CN-wherein has severe toxicity, so can cause very big pollution to environment, electroplater healthy is caused very big threat; Owing in factory, electroplate in the electrolytic plating pool when electroplating, electroplate, repair and electroplate and the big article large-area electroplating so the existing plating technology is difficult to realize carry out chromatography as paint, coating cover.In addition, in the pond, electroplate also difficult supervision and the bright and clean uniformity coefficient of controlling coating and attaching stability, more difficult realization field work.Purpose of the present invention will be made a kind of cyanogen that do not contain exactly and carry out galvanized electroplating machine, can satisfy the various requirement of electroplating technology, and can realize chromatography, repairing, big article big area and open-air plating.

Referring to the electroplating machine principle of work synoptic diagram shown in the accompanying drawing 1, electroplating machine mainly is made up of direct supply, electrolyzer, plating pen, lead and catheter five major parts.When electroplating, by direct supply 1, positive wire 2, electrolyzer 3, catheter 4 is electroplated pen 5, treat plated product 6, cathode conductor 7 has been formed electric loop electroplating machine electrical schematic diagram as shown in Figure 2, connects power supply, and operation is electroplated pen and just can have been electroplated as brush paint, coating on the surface for the treatment of plated product.Direct supply wherein is that 380V and 220V voltage of alternating current commonly used are become required current potential by transformer, become the direct supply of steady weighing apparatus through rectifying circuit rectification and mu balanced circuit voltage stabilizing, and utilized two potentiometers 8 and 9 wherein to adjust to required limit to strength of current and voltage as the case may be.The benefit of doing like this is can realize in the future electroplating and dual-use that can electric welding, and certainly, electroplating machine also can be directly made direct supply with battery etc., and also available thyristor, thyratron etc. directly use 380V, 220V alternating-current controlled rectification after becoming direct current.Electrolyser construction referring to accompanying drawing 3 signals, electrolyzer is by pond tube 1, the anchor 2 at tube top, pond, adjust hydraulic handle 3, screw mandrel 4, pond lid 5, coated metal container that the pond covers and the coated metal particle 9 that is placed on the inside, container cover 6, terminal stud 7 on the container cover, safety valve 8 and be contained in electrolytic solution 10 in the tube of pond, the drain switch 12 of tube bottom and tapping valve 11 are formed, anchor is contained in the top of pond tube and fixes with it, Chi Gai is contained in the tube of pond, can in tube, move up and down according to the guide effect of pond tube, and be combined into the container of sealing with the pond tube, the top of Chi Gai links to each other with anchor by screw mandrel, and adjusting pressuring handle is loaded onto in the other end of screw mandrel, cover in the pond fix with it and seal a coated metal container is housed, be placed with the coated metal particle in the container, the bottom of container and pond tube leak logical and are immersed in the electrolytic solution, electrolytic solution can advance in the container by the hole drill on the container and contacts with coated metal, and the super pond capping that exposes of the other end of container, can twist and screw on container cover and seal, but screw off container cover then loading electrolyte and coated metal, safety valve and terminal stud are housed again on container cover, safety valve can be unscrewed special venting, terminal stud is then installed with the lid sealing is firm by container cover, lower end and coated metal and electrolytic solution are connected, the upper end is exposed the outer and positive wire of lid and is joined, and the drain switch of tube bottom, pond and catheter join just can be with electrolytic solution in tube outside the guide cylinder.For the making material of electrolyzer, can select scrap metal such as plastics, glass and goods thereof for use, also optional with metal and the corrosion resistant metal of handling the surface, preferably hard rubber sheet.The most handy graphite carbon rod of terminal stud.Shape to electrolyzer can be made into shape samples such as round shape, square tube shape.Plating structure referring to accompanying drawing 4 signals, the plating pen is made up of the excessive logical liquid device 1 of the resistance on the nib, nib 2, penholder 3, accent stream switch 4, a handle 5, catheter joint 6, the resistance logical liquid device that overflows can make electrolytic solution soak through contact with the external world but can not make the liquid outflow, nib can be made any shape sample as required, utilize screw thread and penholder to join, accent stream switch can and be controlled the drain amount by drain, and this makes the cavity body of energy drain, and catheter joins and logical liquid by joint and pen.For the material of make electroplating pen and form slection then with electrolyzer roughly the same.In addition, threaded connector all will be made in the two ends of catheter, so as the spreading of catheter with tear weak point open, the positive and negative electrode lead will be made or finished product now be used of the copper aluminum products.When electroplating, at first to carefully connect the wire and manage, cathode conductor with treat that plated product is connected, catheter is communicated with drain switch and catheter joint, next just tries to plate, and according to concrete galvanized needs, adjusts strength of current, voltage, hydraulic pressure and flow; In electroplating process, should not allow and electroplate nib in frequent the beating and make the electrolytic solution electroplated in the pen and treat that plated product contacts suddenly and suddenly do not contact of product surface to be plated, the thing friction rubs right nib that to electroplate then be the best plating mode of electroplating machine as two on the goods face, and will be according to the particular case of goods face, use to transfer stream switch or amount big or measure little or control by ground, the goods face that plates out so just can and factory in have the cyanogen pond to plate effect matched in excellence or beauty.To the goods that plate, also to clean and purification process, so far just calculate the electroplating machine plating and finish.

The present invention has compared following positively effect with existing electroplating technology: be the electroplating machine plating owing to change factory pond plating, so field work and mobile operational process easily; Because of electroplating machine is electroplated, finished plating with pulverised with electroplating nib wholely, electroplate, repair and electroplate and the big article large-area electroplating so be easy to realize chromatography; Because it is galvanized controlled and the pond is outer electroplates than electroplating in the pond intuitively to electroplate pen, and easily realize the mechanical means assistance in the electroplating process, so can supervise and control the bright and clean even thickness degree of coating, and its triboelectricity depositing process can be strengthened the attaching stability between coating and goods, also just can remove cyanogen during electroplate liquid and realize cyanideless electro-plating in preparation certainly.In addition, utilize the supplying unit of electroplating machine, outside machine, draw after the wiring and just can carry out the welding between two metal workpieces and realized dual-use.

According to the foregoing invention principle with reference to the electroplating machine assembling manufacturing structure figure of accompanying drawing 5 signal, it is as follows that the contriver provides satisfied embodiment:

The shell of electroplating machine is made the casing shape, the whole box body volume is divided into left and right sides two portions by the bin isolation board in the case, be shaped on two holes that supply the positive and negative electrode lead to pass on the bin isolation board, load onto electrical equipments such as transformer, rectifier, potentiostat in the casing of on the left, it is the direct supply part of electroplating machine, when mounted will be transformer by a little dresses in back and fixing separately, other electric elements then are fixed on the insulating circuit board in addition and are contained in the front of left box body, connect lead then also drawing two holes of positive and negative electrode lead from bin isolation board; Electrolyzer equipment is housed in the casing on the right, is the electrolyzer part of electroplating machine, and electrolyzer will be assembled into integral body and then install to the right case internal fixing with reference to the structure of accompanying drawing 3 signals, assembles parts such as lead, catheter by accompanying drawing 5 signals at last; The short range that universal wheel is used for electroplating machine is housed on four angles of electroplating machine bottom half moves, be shaped on the handgrip of using for people's lift to move on the left and right sides two panels of casing, tapping valve is equipped with in the bottom of right panel, the reometer of indication working current intensity is equipped with on the left side of front panel, voltmeter, and be used to regulate electric current, two potentiometer knobs of voltage, working light and working light switch hand are dialled, the master switch hand of break-make AC power is dialled, the open and shut valve hand that is used to exchange electroplating machine and welding machine power supply mode is dialled, two connection plugs to electroplating machine input AC electricity are left in the bottom on the plate left side in front, the right first half decorative indicia ATTACH LABEL of plate in front, machine models and precaution etc., bottom of right side just is being equipped with power supply, negative terminal and transfuse switch, the title of manufacturer on the below mark of last plate in front, be shaped on many louvres on the rear panel for the electroplating machine heat radiation, fixedly shut on the top panel left side, the right make can open draw take off lid so that when work adjusted electrolyzer; Then prepare for electroplating pen with reference to the structure of accompanying drawing 4 signals, and the excessive logical liquid device of resistance wherein can substitute with the hardhead sponge of electroplating nib net extension, catheter can install threaded connector with ready-made plastics tubing additional and use, connect lead like this and just made the cyanogen-free electroplating machine of an energy practical application with the pipe youngster, it not only has galvanized function, the effect that electric welding is arranged simultaneously is the machine that can electroplate and can electric welding.

Claims (4)

1, cyanogen-free electroplating machine is by direct supply, electrolyzer, plating pen, lead and five most of compositions of catheter, it is characterized in that at direct supply and treats to be equipped with between the plated product electrolyzer, catheter and three parts of plating pen.

2, cyanogen-free electroplating machine according to claim 1 is characterized in that being equipped with the excessive logical liquid device of resistance on the plating nib.

3, cyanogen-free electroplating machine according to claim 1 is characterized in that at the drain switch and the electrode that is connected direct supply that the plating metal container are housed on the electrolyzer, infuse outside the pond.

4, cyanogen-free electroplating machine according to claim 1 is characterized in that at electrolyzer and electroplates accent stream switch is housed between the nib.

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