CN116005229A - Silver plating system and electroplating method - Google Patents

Abstract

The application relates to the field of electroplating, in particular to a silver plating system and an electroplating method, wherein the silver plating system comprises a battery pack, a driving structure is arranged above the battery pack, the driving structure is used for moving a hanging plating rack, and the hanging plating rack is used for mounting a workpiece with holes; the battery pack is provided with a reciprocating structure, the reciprocating structure is provided with a bearing limit seat, and the bearing limit seat is used for bearing and limiting the rack plating. The silver plating method has the effect of being convenient for improving silver plating quality of the workpiece with the holes.

Description

Silver plating system and electroplating method

Technical Field

The application relates to the field of electroplating, in particular to a silver plating system and an electroplating method.

Background

Silver plating prevents corrosion, increases, reflects light and is aesthetically pleasing. Is widely applied to manufacturing industries of electric appliances, instruments, illumination appliances and the like.

In the prior art, a silver plating system for electroplating silver on a workpiece with holes generally comprises a battery pack, a bracket arranged above the battery pack, a moving mechanism connected to the bracket, and a rack plating rack for hanging the workpiece on the moving mechanism; after finishing the preface operation of the workpiece electro-plating operation by the silver plating system, then moving the workpiece by a moving mechanism to drive the rack to move into an electroplating pool corresponding to the electro-plating operation, then keeping the position of the rack fixed, and carrying out electro-plating operation on the workpiece with the hole.

With respect to the above-mentioned related art, the inventors consider that the amount of plating solution in the plating bath corresponding to the silver plating operation into the perforations on the perforated workpiece is generally small, and thus, the silver plating layer on the inner wall of the perforated workpiece is weak and uneven during plating, and it is seen that the quality of silver plating on the perforated workpiece by the conventional silver plating system is to be improved.

Disclosure of Invention

In order to facilitate improving silver plating quality on a workpiece with holes, the application provides a silver plating system and a silver plating method.

The silver plating system adopts the following technical scheme:

the silver plating system comprises a battery pack, wherein a driving structure for moving a hanging plating rack is arranged above the battery pack, and the hanging plating rack is used for mounting a workpiece with a hole; the battery pack is provided with a reciprocating structure, the reciprocating structure is provided with a bearing limit seat, and the bearing limit seat is used for bearing and limiting the rack plating rack.

Through adopting above-mentioned technical scheme, put into the electroplating pond that corresponds in the group battery with the rack that will take the hole work piece in proper order through driving structure, then make the rack that is plated and the hole work piece on the rack through reciprocating motion structure do reciprocating motion, so can accelerate the flow that the plating solution passes through the perforation on the hole work piece in every electroplating pond, thereby make the corresponding plating solution can fully contact the perforation inner wall on the hole work piece, thereby be convenient for promote the thickness and the degree of consistency of the cladding material of perforation inner wall on the hole work piece, so be convenient for promote the silvering quality to the hole work piece.

In a specific implementation manner, the reciprocating structure comprises a limiting support frame connected to the battery pack, wherein the limiting support frame is connected with a bearing roller, the bearing roller is connected with a reciprocating piece, and a driving piece for driving the reciprocating piece to reciprocate is arranged on the limiting support frame; the bearing limit seat is arranged on the reciprocating piece.

Through adopting above-mentioned technical scheme, drive the reciprocating piece through the driving piece to can drive and bear spacing seat and make reciprocating motion in step, and then can drive and bear the weight of the rack that bears on spacing seat and also do reciprocating motion, so can make the foraminiferous work piece of mounting on the rack also do reciprocating motion, so accelerate the flow that the plating solution passes through the perforation on the foraminiferous work piece in every electroplating pool, thereby make the abundant contact of corresponding plating solution perforated inner wall on the foraminiferous work piece.

In a specific embodiment, the reciprocating member comprises a reciprocating rod connected to the bearing roller, and the bearing limit seat is mounted on the reciprocating rod; the reciprocating rod is connected with a reciprocating square ring; the driving piece comprises a first motor connected to the limiting support frame, an eccentric wheel is arranged on an output shaft of the first motor, and a driving rod extending into the reciprocating square ring is arranged on the eccentric wheel.

Through adopting above-mentioned technical scheme, through first motor drive actuating lever rotation, can drive reciprocal square ring and connect the reciprocating lever on reciprocal square ring and do reciprocating motion, simultaneously, can drive and bear spacing seat and bear the rack that bears on spacing seat and do reciprocating motion, still make the foraminiferous work piece of hanging on the rack also do reciprocating motion, so accelerate the flow of plating solution through the perforation on the foraminiferous work piece in every electroplating tank to make the plating solution that corresponds can fully contact the inner wall of perforation on the foraminiferous work piece.

In a specific implementation mode, the limiting support frame is connected with a limiting wheel, and the reciprocating rod is provided with a limiting bar groove for the limiting wheel to extend into.

By adopting the technical scheme, the stability of the reciprocating rod during reciprocating motion is conveniently improved by enabling the limiting wheel to extend into the limiting strip-shaped groove.

In a specific embodiment, a cover plate is rotatably connected to the battery pack and is used for covering the cell opening of the battery pack; the battery pack is provided with a driving and rotating assembly connected with the cover plate, and the driving and rotating assembly is used for driving and rotating the cover plate; the cover plate is provided with a notch for the rack to pass through.

By adopting the technical scheme, the electroplating solution can be conveniently placed on the rack through the cover plate when the rack reciprocates, and the electroplating solution splashes out of the corresponding electroplating pool; and the plating solution is also convenient for preventing external dust, foreign matters and the like from entering the plating solution, and is convenient for improving the service durability of the plating solution.

In a specific embodiment, the battery includes a electroless nickel bath, an alkaline copper bath, an impact nickel bath, an electroplated nickel bath, and a silver plating bath; the silver plating system further comprises a hot water heating recovery structure, the hot water heating recovery structure is connected with a water pump, the water pump is provided with a water inlet pipe, and water diversion pipes are connected among the chemical nickel pool, the alkaline copper pool and the electroplated nickel pool; the hot water heating and recycling structure is connected with a water return pipe; the chemical nickel pool, the alkaline copper pool and the electroplated nickel pool are all provided with heating pipes connected with the water return pipe and the corresponding water diversion pipe.

Through adopting above-mentioned technical scheme, be convenient for heat the plating solution in chemical nickel pond, alkali copper pond and the electroplated nickel pond, can satisfy the heating requirement of electroplating in order to promote the efficiency of electroplating.

In a specific implementation mode, the water diversion pipe comprises a first water diversion pipe, a second water diversion pipe and a third water diversion pipe, and temperature sensors are arranged in the chemical nickel pool, the alkaline copper pool and the electroplated nickel pool; the silver plating system also comprises a controller which is in communication connection with the temperature sensors; and the first water diversion pipe, the second water diversion pipe and the third water diversion pipe are respectively provided with a controlled valve electrically connected with the controller.

By adopting the technical scheme, after the controller judges that the temperature of the electroplating liquid in the corresponding electroplating reaches the preset temperature according to the corresponding temperature sensor, the controlled valve on the corresponding water distribution pipe can be controlled to be closed, so that the heating of the corresponding electroplating liquid is stopped.

In a specific embodiment, the heating pipes are fin-shaped, and the heating pipes in the electroless nickel bath, the alkaline copper bath, and the electroplated nickel bath are all coiled.

Through adopting above-mentioned technical scheme, be convenient for promote the heat exchange efficiency between hot water and the plating solution through fin formula heating pipe, follow the efficiency of being convenient for promote heating plating solution.

The electroplating method of the silver plating system adopts the following technical scheme:

a plating method of a silver plating system, comprising:

s100, carrying out chemical nickel pretreatment on a workpiece with a hole, heating the liquid medicine in the chemical nickel pool to a preset first temperature after the chemical nickel pretreatment is finished, then placing the workpiece with the hole into the chemical nickel pool, controlling the workpiece with the hole to reciprocate, and taking out the workpiece with the hole after the preset first time;

s200, performing alkali copper pretreatment on the workpiece with the hole, heating the liquid medicine in the alkali copper pool to a preset second temperature after the pretreatment is completed, then placing the workpiece with the hole in the alkali copper pool, controlling the workpiece with the hole to reciprocate, and taking out the workpiece with the hole after the preset second time;

s300, carrying out impact nickel pretreatment on the workpiece with the hole, after the impact nickel pool is finished, placing the workpiece with the hole into the impact nickel pool, controlling the workpiece with the hole to reciprocate, and taking out the workpiece with the hole after the preset third time is continued;

s400, carrying out nickel electroplating pretreatment on the workpiece with the hole, heating the liquid medicine in the nickel electroplating pool to a preset third temperature after the nickel electroplating pretreatment is finished, then placing the workpiece with the hole into the nickel electroplating pool, controlling the workpiece with the hole to reciprocate, and taking out the workpiece with the hole after the fourth time is continuously preset;

s500, carrying out electro-silvering pretreatment on the workpiece with the hole, after the electro-silvering pretreatment is finished, putting the workpiece with the hole into an electro-silvering pond, controlling the workpiece with the hole to reciprocate, and taking out the workpiece with the hole after lasting a preset fifth time;

and S600, sequentially performing water washing and drying treatment on the workpiece with the holes.

Through adopting above-mentioned technical scheme, make rack foraminiferous work piece of hanging plate make reciprocating motion, so can accelerate the flow of plating solution through the perforation on the foraminiferous work piece in every electroplating tank to make the plating solution that corresponds can fully contact the perforation on the foraminiferous work piece inner wall, thereby be convenient for promote thickness and the degree of consistency of the cladding material of perforation inner wall on the foraminiferous work piece, so be convenient for promote the silvering quality to the foraminiferous work piece.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the silver plating quality of the workpiece with the holes is convenient to be improved;

2. the stability of the reciprocating movement structure during reciprocating movement is convenient to improve;

3. the durability of the electroplating solution is improved.

Drawings

Fig. 1 is a schematic diagram of the overall architecture of a silver plating system in an embodiment of the present application.

Fig. 2 is a schematic view of a part of the structure of the driving structure in the embodiment of the present application.

Fig. 3 is a schematic structural diagram for embodying a connection relationship between a horizontal driving assembly and an inverted concave frame in an embodiment of the present application.

FIG. 4 is a schematic view of a structure embodying the connection relationship between the plating stage and the reciprocating assembly in an embodiment of the present application.

Fig. 5 is an enlarged view of a portion a in fig. 4.

FIG. 6 is a schematic diagram of a structure for illustrating a positional relationship between an electroplating stage and a capping structure in an embodiment of the present application.

FIG. 7 is a cross-sectional view illustrating the connection between the electroplating stage and the heating structure in an embodiment of the present application.

Fig. 8 is an enlarged view of a portion B in fig. 7.

Fig. 9 is a schematic flow chart of an electroplating method of the silver plating system in the embodiment of the application.

Reference numerals: 1. an electroplating workbench; 11. an electroplating pool; 111. a chemical nickel pool; 112. an alkali copper pool; 113. impact nickel pool; 114. electroplating nickel pool; 115. a silver plating pool; 2. a driving structure; 21. a support column; 22. a carrying frame; 221. a guide limit groove; 23. a horizontal drive assembly; 231. a mounting base; 232. a second motor; 233. a guide wheel; 24. an inverted concave frame; 241. a vertical column; 2411. a groove; 2412. t-shaped limit strips; 242. a transverse seat; 25. a third motor; 26. a lifting belt; 27. a semi-package limit seat; 28. a transverse square rod; 29. a first riser; 210. a first cross plate; 3. a rack plating rack; 31. a second cross plate; 32. vertical laths; 33. a horizontal square column; 34. a hook; 35. a round bar; 4. a reciprocating structure; 41. a reciprocating assembly; 411. limiting support frames; 4111. a support rod; 4112. fixing the square rod; 412. a mounting plate; 413. a curved surface limiting member; 414. a carrying roller; 4141. a carrier bar; 4142. a limit circular plate; 415. a driving member; 4151. a first motor; 4152. an eccentric wheel; 4153. a driving rod; 416. a shuttle; 4161. a reciprocating lever; 4162. a reciprocating square ring; 417. a connecting piece; 418. a limiting wheel; 5. a bearing limit seat; 6. a capping structure; 61. a drive-rotation assembly; 611. a connecting plate; 612. a telescoping member; 62. a rotating lever; 63. a cover plate; 64. a hinge; 65. a rotating seat; 7. a heating structure; 71. a hot water heating recovery structure; 72. a controller; 73. a water pump; 74. a controlled valve; 75. a water inlet pipe; 76. a water return pipe; 77. heating pipes; 78. a temperature sensor.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-9.

The embodiment of the application discloses a silver plating system. Referring to fig. 1, the silver plating system comprises an electroplating workbench 1, a battery pack is arranged on the top wall of the electroplating workbench, the battery pack comprises a plurality of electroplating tanks 11 applied to different electroplating procedures in the silver plating process of a holed workpiece, each electroplating tank 11 can be provided for a rack 3 carrying the holed workpiece to extend in, a driving structure 2 for moving the rack 3 is arranged on the electroplating workbench 1, and the rack 3 carrying the holed workpiece can be conveniently controlled to extend into or be separated from the electroplating tank 11 through the driving structure 2; the plating workbench 1 is provided with a reciprocating structure 4 (for clearly embodying the structure of the reciprocating structure 4, only the reciprocating structure 4 at the two ends of one plating pool 11 is shown in fig. 1), and the reciprocating structure 4 is connected with a bearing limit seat 5 for bearing and limiting the rack plating frame 3; the electroplating workbench 1 is provided with sealing cover structures 6 which are in one-to-one correspondence with each electroplating pool 11, and the sealing cover structures 6 are used for closing or opening pool openings of the corresponding electroplating pools 11; the plating table 1 is further connected with a plating solution heating structure 7 for heating the plating solution in a part of the plating bath 11.

Referring to fig. 1, the battery pack on the plating table 1 is illustrated to include five plating baths 11, a electroless nickel bath 111, an alkaline copper bath 112, an impact nickel bath 113, an electrolytic nickel bath 114, and a silver plating bath 115 in this order from left to right in the drawing; it should be noted that, the process of the silver plating process applied to the porous workpiece is complicated, and not only the tanks for plating the porous workpiece, such as the electroless nickel tank 111, the alkaline copper tank 112, the impact nickel tank 113, the electroplated nickel tank 114 and the silver plating tank 115, but also the tanks for washing, pickling and neutralizing the porous workpiece, which are applied before and after the electroless nickel tank 111, the alkaline copper tank 112, the impact nickel tank 113, the electroplated nickel tank 114 and the silver plating tank 115 or between the adjacent electroplating tanks 11, are all known in the prior art, so that the description of other tanks except the electroplating tanks 11 is omitted in the text and the drawing, and the description is omitted.

Referring to fig. 2, the driving structure 2 includes support columns 21 connected to four corners of the top wall of the electroplating table 1, and the top ends of the four support columns 21 are commonly connected with a carrying frame 22; the top wall of the bearing frame 22 is in a rectangular ring shape, and guide limit grooves 221 are formed in the top walls of two long sides of the bearing frame 22; the top walls of the two long sides of the bearing frame 22 are respectively provided with a horizontal driving component 23; specifically, the horizontal driving assembly 23 includes a mounting seat 231 disposed on a top wall of a long side of the carrying frame 22, two second motors 232 are disposed on the mounting seat 231, and guide wheels 233 in one-to-one driving connection with the two motors, and the two guide wheels 233 extend into corresponding guide limiting grooves 221.

The two mounting seats 231 are connected with an inverted concave frame 24 together, the inverted concave frame 24 comprises two vertical posts 241 which are in one-to-one correspondence with the two mounting seats 231, each vertical post 241 is fixed on the corresponding mounting seat 231, the top ends of the two vertical posts 241 are integrally formed with a transverse seat 242 together, one end of the transverse seat 242 is connected with a third motor 25, and two lifting belts 26 which are in driving connection with the third motor 25 extend from the bottom wall of the transverse seat 242; the third motor 25 is used for driving the lifting belt 26 to lift; referring to fig. 3, the side walls of the two vertical posts 241 close to each other are provided with grooves 2411 arranged along the vertical direction, the bottom wall of each groove 2411 is fixedly provided with a T-shaped limiting bar 2412, each T-shaped limiting bar 2412 is slidably connected with a half-package limiting seat 27, a transverse square rod 28 is commonly connected between the two half-package limiting seats 27, and the top wall of the transverse square rod 28 is fixedly connected with the bottom ends of the two lifting belts 26; the two ends of the bottom wall of the transverse square rod 28 are respectively fixed with a first vertical plate 29, and the bottom end of the first vertical plate 29 is fixed with a first transverse plate 210 extending towards the bottom end of the other first vertical plate 29.

The rack 3 comprises two second transverse plates 31 which are in one-to-one correspondence with the two first transverse plates 210, and the second transverse plates 31 can be pressed on the top walls of the corresponding first transverse plates 210; the vertical strips 32 are fixed at the ends of the first transverse plates 210, which are close to each other, a plurality of horizontal square columns 33 are sequentially fixed between the two vertical strips 32 along the vertical direction, and a plurality of hooks 34 for mounting the perforated workpieces are arranged on the vertical side wall of each horizontal square column 33; it should be noted that, the side walls of the two vertical strips 32 away from each other are fixed with round rods 35 corresponding to the two bearing limit seats 5 one by one, and the round rods 35 can be placed and limited on the corresponding bearing limit seats 5.

In practice, when the rack 3 carrying the perforated workpiece needs to be moved, the horizontal driving assembly 23 and the third motor 25 are controlled to enable the two first transverse plates 210 to move below the corresponding second transverse plates 31, then the third motor 25 is controlled to enable the two first transverse plates 210 to move upwards, so that the rack 3 is lifted, and then the horizontal driving assembly 23 and the third motor 25 are controlled continuously to convey the rack 3 to a preset position.

Referring to fig. 1, the reciprocating structure 4 includes two reciprocating members 41 in one-to-one correspondence with both ends of the plating cell 11, and the two reciprocating members 41 are symmetrically disposed with respect to the plating cell 11.

With reference to fig. 4 and 5, one of the reciprocating members 41 will be described below.

The reciprocating motion assembly 41 comprises a limiting support frame 411 fixed on the electroplating workbench 1, the limiting support frame 411 comprises two support rods 4111 fixed on the top wall of the electroplating workbench 1 and positioned outside one end of each electroplating pool 11, the top ends of the two support rods 4111 are jointly fixed with a fixed square rod 4112 arranged along the horizontal direction, one end of the fixed square rod 4112 is fixed with a mounting plate 412, two groups of curved surface limiting pieces 413 are arranged on the top wall of each fixed square rod 4112, and each group of curved surface limiting pieces 413 comprises two curved surface limiting pieces 413 with curved surfaces arranged oppositely; the bearing roller 414 is disposed on the top wall of each fixed square rod 4112 and between each set of two curved limiting members 413, specifically, the bearing roller 414 includes a bearing rod 4141 connected to the top wall of the fixed square rod 4112, two ends of each bearing rod 4141 are coaxially fixed with a limiting circular plate 4142, the diameter of the limiting circular plate 4142 is larger than that of the bearing rod 4141, and the side wall of the limiting circular plate 4142 connected with the bearing rod 4141 is further slidably connected with the side wall of the fixed square rod 4112, and the curved limiting members 413 and the limiting circular plate 4142 are both helpful for preventing the bearing roller 414 from being separated from the fixed square rod 4112.

The mounting plate 412 is provided with a driving member 415, specifically, the driving member 415 includes a first motor 4151 fixed on a top wall of the mounting plate 412, an eccentric 4152 is coaxially fixed on an output shaft of the first motor 4151, and a driving rod 4153 parallel to but not coaxial with the output shaft of the first motor 4151 is fixed on a side wall of the eccentric 4152.

Referring to fig. 5, the two carrier bars 4141 are commonly connected with a reciprocating member 416, and in particular, the reciprocating member 416 includes a reciprocating bar 4161 connected to the two carrier bars 4141 in a horizontal direction, and a reciprocating square ring 4162 into which a driving bar 4153 extends is fixed to an end of the reciprocating bar 4161 near the mounting plate 412.

In order to prevent the reciprocating member 416 from being separated from the bearing roller 414, a limiting bar groove is formed on the top wall of the reciprocating rod 4161 and near the two sides of the top wall; two connecting pieces 417 are respectively fixed on two side walls of the fixed square rod 4112, and one end of each connecting piece 417 is rotatably connected with a limiting wheel 418 extending into a corresponding limiting strip groove.

The bearing limit seat 5 for bearing and limiting the corresponding round rod 35 is fixed on the top wall of the reciprocating rod 4161 and positioned between the two limit bar grooves.

In implementation, after the rack 3 is placed in the corresponding electroplating bath through the driving structure 2, the two round rods 35 on the rack 3 are placed and limited on the corresponding bearing limiting seats 5, then the first motor 4151 is controlled to drive the driving rod 4153 to make the driving rod 4153 perform circular motion in the reciprocating square ring 4162, so as to drive the reciprocating square ring 4162, the reciprocating rod 4161 connected to the reciprocating square ring 4162, the bearing limiting seats 5 connected to the reciprocating rod 4161, the rack 3 connected to the bearing limiting seats 5, and the perforated workpieces mounted on the rack 3 perform reciprocating motion along the horizontal direction, and it is required to be explained that the flow rate of the electroplating solution passing through the perforations on the perforated workpieces in each electroplating tank 11 can be accelerated while the corresponding electroplating solution performs reciprocating motion in the corresponding electroplating solution, so that the corresponding electroplating solution can fully contact the inner walls of the perforations on the perforated workpieces, thereby facilitating the lifting of the thickness and uniformity of the plated layers on the perforated inner walls on the perforated workpieces, and thus facilitating the lifting of silver plating quality on the perforated workpieces.

Referring to fig. 6, in the present embodiment, each of the plating cells 11 has a rectangular cross section; the cover structure 6 includes two sets of driving components 61 corresponding to two long sides of the electroplating tank 11 one by one, each set of driving components 61 includes two connecting plates 611 corresponding to two side walls of the electroplating workbench 1 one by one, and a telescopic member 612 is hinged to a top wall of each connecting plate 611, where in this embodiment, the telescopic member 612 may be an electric cylinder, an oil cylinder, an air cylinder, etc. A rotating seat 65 is fixed on the electroplating workbench 1 and is positioned outside the two ends of each long side of the electroplating pool 11, each rotating seat 65 is rotationally connected with a rotating rod 62, a cover plate 63 is fixed between the two corresponding rotating rods 62, and one end, far away from the corresponding cover plate 63, of each rotating rod 62 is fixed with a hinge piece 64 hinged with the top end of the corresponding telescopic piece 612. It should be noted that, the two ends of each cover plate 63 are provided with notches, and when the two cover plates 63 are in a state of closing the corresponding pool openings of the electroplating pool 11, the notches on the same ends of the two cover plates 63 can form notches for the corresponding vertical strips 32 on the hanging plating piece to pass through. In the initial state, the two cover plates 63 are in an open state.

In practice, after the rack 3 is placed into a certain electroplating pool 11 by the driving structure 2, four telescopic members 612 corresponding to the electroplating pool 11 are synchronously telescopic until two cover plates 63 are closed to cover the pool openings of the corresponding electroplating pools 11; so that it is convenient to prevent dust or other foreign matters externally connected in the electroplating process from entering the electroplating tank 11, and adverse effects are caused in the electroplating process; it is also convenient to prevent the plating liquid which is driven to be agitated by the rack 3 from splashing out of the plating tank 11 when the reciprocating structure 4 operates.

Referring to fig. 1, the heating structure 7 includes a hot water heating recovery structure 71 provided at one side of an end portion of the plating table 1, and a controller 72 is provided on a top wall of the hot water heating recovery structure 71; a water pump 73 is arranged between the hot water heating recovery structure 71 and the electroplating workbench 1, a first connecting pipe is connected between a water inlet of the water pump 73 and the hot water heating recovery structure 71, and a controlled valve 74 which is in communication connection with the controller 72 is arranged on the first connecting pipe; a water outlet of the water pump 73 is connected with a water inlet pipe 75 which extends into the electroplating workbench 1 and is arranged at one side of the bottoms of the five electroplating tanks 11, and one end of the water inlet pipe 75, which is far away from the water pump 73, is in a closed state; the water inlet pipe 75 is connected with three water diversion pipes which are in one-to-one correspondence with the chemical nickel pool 111, the alkaline copper pool 112 and the electroplated nickel pool 114 and are communicated with the bottoms of the corresponding electroplating pools 11, and each water diversion pipe is provided with a controlled valve 74 which is also in communication connection with the controller 72.

The hot water heating and recovering structure 71 is also connected with a water return pipe 76 extending into the electroplating workbench 1, the water return pipe 76 is positioned at the bottom of one side of the electroplating pool 11 far away from the water inlet pipe 75, the water inlet pipe 75 is at the agreed horizontal height, and one end of the water return pipe 76 far away from the hot water heating and recovering structure 71 is also in a closed state. The bottoms of the chemical nickel pool 111, the alkaline copper pool 112 and the electroplated nickel pool 114 are respectively provided with a heating pipe 77 connected with a corresponding water diversion pipe, the heating pipe 77 is in a coiling shape in the horizontal direction, and the heating pipes 77 used in the embodiment are fin type heating pipes 77; the water outlet of each heating pipe 77 is connected with a return pipe 76.

Referring to FIG. 8, a temperature sensor 78 is provided in each of the electroless nickel bath 111, the alkaline copper bath 112, and the electroplated nickel bath 114 in communication with the controller 72.

In practice, the temperature sensor 78 obtains the temperature of the plating solution in the corresponding plating cell 11, and then transmits the temperature data to the processor, and the processor judges whether the temperature of the plating solution reaches the temperature threshold value of the corresponding plating solution, if so, the corresponding controlled valve 74 is controlled to reduce the flow of hot water in the corresponding water diversion pipe, or the corresponding water diversion pipe is closed; if not, the controlled valve 74 is still left open to facilitate the corresponding heating of the plating solution.

A plating method of a silver plating system, referring to fig. 9, comprising the steps of:

s100, carrying out chemical nickel pretreatment on the workpiece with the hole, heating the liquid medicine in the chemical nickel pool to a preset first temperature after the chemical nickel pretreatment is finished, then placing the workpiece with the hole into the chemical nickel pool, controlling the workpiece with the hole to reciprocate, and taking out the workpiece with the hole after the preset first time is continuously carried out;

s200, carrying out alkali copper pretreatment on the workpiece with the hole, heating the liquid medicine in the alkali copper pool to a preset second temperature after the pretreatment is finished, putting the workpiece with the hole into the alkali copper pool, controlling the workpiece with the hole to reciprocate, and taking out the workpiece with the hole after the preset second time;

s300, carrying out impact nickel pretreatment on the workpiece with the hole, putting the workpiece with the hole into an impact nickel pool after the impact nickel pool is finished, controlling the workpiece with the hole to reciprocate, and taking out the workpiece with the hole after the preset third time is continued;

s400, carrying out nickel electroplating pretreatment on the workpiece with the hole, heating the liquid medicine in the nickel electroplating pool to a preset third temperature after the nickel electroplating pretreatment is finished, then placing the workpiece with the hole in the nickel electroplating pool, controlling the workpiece with the hole to reciprocate, and taking out the workpiece with the hole after the preset fourth time;

s500, carrying out electro-silvering pretreatment on the workpiece with the hole, after the electro-silvering pretreatment is finished, putting the workpiece with the hole into an electro-silvering pond, controlling the workpiece with the hole to reciprocate, and taking out the workpiece with the hole after lasting a preset fifth time;

and S600, sequentially performing water washing and drying treatment on the workpiece with the holes.

The plating rack is made to reciprocate, so that the flow rate of the plating solution passing through the holes on the holes in each plating tank can be quickened, the corresponding plating solution can fully contact the inner walls of the holes on the holes, the thickness and uniformity of the plating layer on the inner walls of the holes on the holes can be conveniently improved, and the silver plating quality of the holes can be conveniently improved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (9)

1. A silver plating system, characterized by: the device comprises a battery pack, wherein a driving structure (2) for moving a rack plating rack (3) is arranged above the battery pack, and the rack plating rack (3) is used for mounting a workpiece with holes; the battery pack is provided with a reciprocating structure (4), the reciprocating structure (4) is provided with a bearing limit seat (5), and the bearing limit seat (5) is used for bearing and limiting the rack plating frame (3).

2. A silver plating system according to claim 1, characterized in that: the reciprocating structure (4) comprises a limiting support frame (411) connected to the battery pack, the limiting support frame (411) is connected with a bearing roller (414), the bearing roller (414) is connected with a reciprocating piece (416), and a driving piece (415) for driving the reciprocating piece (416) to reciprocate is arranged on the limiting support frame (411); the bearing limit seat (5) is arranged on the reciprocating piece (416).

3. A silver plating system according to claim 2, characterized in that: the reciprocating piece (416) comprises a reciprocating rod (4161) connected to the bearing roller (414), and the bearing limit seat (5) is arranged on the reciprocating rod (4161); the reciprocating rod (4161) is connected with a reciprocating square ring (4162); the driving piece (415) comprises a first motor (4151) connected to the limiting support frame (411), an eccentric wheel (4152) is arranged on an output shaft of the first motor (4151), and a driving rod (4153) extending into the reciprocating square ring (4162) is arranged on the eccentric wheel (4152).

4. A silver plating system according to claim 3, characterized in that: the limiting support frame (411) is connected with a limiting wheel (418), and the reciprocating rod (4161) is provided with a limiting bar groove into which the limiting wheel (418) extends.

5. A silver plating system according to claim 1, characterized in that: a cover plate (63) is rotatably connected to the battery pack, and the cover plate (63) is used for covering a pool opening of the battery pack; the battery pack is provided with a driving assembly (61) connected with the cover plate (63), and the driving assembly (61) is used for driving the cover plate (63); the cover plate (63) is provided with a notch for the rack (3) to pass through.

6. A silver plating system according to claim 1, characterized in that: the battery pack at least comprises a chemical nickel pool (111), an alkaline copper pool (112), an impact nickel pool (113), an electroplating nickel pool (114) and a silver plating pool (115); the silver plating system further comprises a hot water heating recovery structure (71), the hot water heating recovery structure (71) is connected with a water pump (73), the water pump (73) is provided with a water inlet pipe (75), and water diversion pipes are connected among the chemical nickel pool (111), the alkaline copper pool (112) and the electroplated nickel pool (114); the hot water heating and recycling structure (71) is connected with a water return pipe (76); the chemical nickel pool (111), the alkaline copper pool (112) and the electroplated nickel pool (114) are respectively provided with a heating pipe (77) connected with the water return pipe (76) and the corresponding water diversion pipe.

7. A silver plating system according to claim 6, wherein: the water diversion pipes comprise a first water diversion pipe, a second water diversion pipe and a third water diversion pipe, and temperature sensors (78) are arranged in the chemical nickel pool (111), the alkaline copper pool (112) and the electroplated nickel pool (114); the silver plating system further includes a controller (72) in communication with each of the temperature sensors (78); and the first water diversion pipe, the second water diversion pipe and the third water diversion pipe are respectively provided with a controlled valve (74) electrically connected with the controller (72).

8. A silver plating system according to claim 6, wherein: the heating pipes (77) are fin-shaped, and the heating pipes (77) in the chemical nickel pool (111), the alkaline copper pool (112) and the electroplated nickel pool (114) are all coiled.

9. A plating method using the silver plating system according to claim 1, characterized in that: the method comprises the following steps:

s100, carrying out chemical nickel pretreatment on a workpiece with holes, heating the liquid medicine in a chemical nickel pool (111) to a preset first temperature after the chemical nickel pretreatment is finished, then placing the workpiece with holes into the chemical nickel pool (111) and controlling the workpiece with holes to reciprocate, and taking out the workpiece with holes after the preset first time;

s200, performing alkali copper pretreatment on the perforated workpiece, heating the liquid medicine in the alkali copper pool (112) to a preset second temperature after the pretreatment is completed, then placing the perforated workpiece into the alkali copper pool (112) and controlling the perforated workpiece to reciprocate, and taking out the perforated workpiece after the preset second time;

s300, performing impact nickel pretreatment on the perforated workpiece, after the impact nickel pretreatment is finished, placing the perforated workpiece into an impact nickel pool (113) and controlling the perforated workpiece to reciprocate, and taking out the perforated workpiece after the preset third time is continued;

s400, carrying out nickel electroplating pretreatment on the workpiece with the hole, heating the liquid medicine in the nickel electroplating pool (114) to a preset third temperature after the nickel electroplating pretreatment is finished, then placing the workpiece with the hole into the nickel electroplating pool (114) and controlling the workpiece with the hole to reciprocate, and taking out the workpiece with the hole after the fourth time is continuously preset;

s500, carrying out electro-silvering pretreatment on the workpiece with the hole, after the electro-silvering pretreatment is finished, placing the workpiece with the hole into an electro-silvering pond (115) and controlling the workpiece with the hole to reciprocate, and taking out the workpiece with the hole after lasting a preset fifth time;

and S600, sequentially performing water washing and drying treatment on the workpiece with the holes.

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