CN217127589U - Filtering and circulating system for continuous barrel plating solution - Google Patents
Filtering and circulating system for continuous barrel plating solution Download PDFInfo
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- CN217127589U CN217127589U CN202220648156.0U CN202220648156U CN217127589U CN 217127589 U CN217127589 U CN 217127589U CN 202220648156 U CN202220648156 U CN 202220648156U CN 217127589 U CN217127589 U CN 217127589U
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Abstract
A filtering and circulating system for continuous barrel plating solution comprises a left group of plating tanks, a right group of plating tanks, a filter, a mixing tank arranged between the two groups of plating tanks, a tank solution shunting chamber and a liquid outlet pipe arranged on the front side of the plating tank, wherein the mixing tank is connected with the tank solution shunting chambers on the left side and the right side through a first pipeline, the rear side of the plating tank is respectively provided with a tank solution collecting chamber and a liquid suction pipe, the tank solution collecting chamber is connected with the corresponding tank solution shunting chamber through a second pipeline, the filter is arranged on the first pipeline and the second pipeline, electroplating solution and additives in the mixing tank enter the tank solution shunting chambers through the filter and then enter the plating tank through the liquid outlet pipe to form external circulation, and the electroplating solution in the plating tank enters the tank solution collecting chamber through the liquid suction pipe and then enters the tank solution shunting chambers through the filter to be dispersed in the plating tank through the liquid outlet pipe to form internal circulation. The utility model discloses rational in infrastructure, the mode of adoption plating bath inner loop and extrinsic cycle had both filtered the impurity of plating bath, can reach plating bath concentration and composition again and evenly unanimous, ensures that the product after electroplating can produce the performance unanimity, improves the reliability of product.
Description
Technical Field
The utility model belongs to the technical field of electroplate, a filtration circulation system of continuous barrel-plating bath is related to.
Background
Electroplating is the process of plating a layer of other metals or alloys on a metal surface. During electroplating, the metal of the coating is used as an anode and is oxidized into cations to enter the plating solution, the metal product to be plated is used as a cathode, and the cations of the metal of the coating are reduced on the surface of the metal to form the coating, so that the properties of the metal substrate to be plated are changed, the corrosion resistance, the strength and the hardness of the metal are enhanced, and the conductivity, the lubricity, the appearance and the like of the metal are improved. The electroplating bath filtering and circulating device is used as the most important ring in electroplating to determine the uniformity of the bath and the consistency of each additive after being added. In electroplating, for example, blind hole plated parts such as a battery steel shell and the like need to be quantitatively added with various electroplating additives during electroplating, and the factors are not considered during the design of an electroplating production line, and the electroplating additives are only added to each station in a single manual adding mode during electroplating, so that the additive dosage of each station is inconsistent, electroplating agents cannot be uniformly dispersed into a plating solution, the uniformity of the thickness of the plating layer is poor during electroplating, and the qualified plating layer is obtained, so that the loss of raw materials is large. In addition, the grooves of the production line are separated, so that the plating solutions cannot be effectively linked, the electroplating quality of each groove is different, and the circulation is only the circulation in the grooves. Further, the plating solution generally contains plating impurities and solid particulate contaminants such as nickel sludge dissolved at the anode, deposits of the plating solution, etc. at the time of plating, resulting in a decrease in the plating effect and adverse effects of plating such as burrs, roughness, etc.
Therefore, need design a filtration circulating device, can continue to carry out filtration treatment to the plating solution for the plating solution performance accords with the electroplating requirement, and extension plating solution life can realize simultaneously that even provides electroplating medicament to each electroplating station, improves the stability and the uniformity of electroplating.
Disclosure of Invention
The utility model aims to solve the technical problem that a filtration circulation system of rational in infrastructure, excellent in use effect's continuous barrel plating bath is provided to foretell technical current situation, adopts the mode of plating bath inner loop and groove extrinsic cycle, can filter the impurity of plating bath and can reach plating bath concentration and composition even unanimity again.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a filtering and circulating system of continuous barrel plating bath comprises a plating bath and a filter, and is characterized in that: the plating baths are two groups arranged on the left and right, a mixing tank used for conveying and adding electroplating liquid and electroplating additives to the plating baths is arranged between the two groups of plating baths, a bath liquid shunting chamber and a liquid outlet pipe are arranged on the front side of each plating bath, the mixing tank is connected with the bath liquid shunting chambers on the left and right sides through two first pipelines on the left and right, bath liquid collecting chambers and liquid suction pipes are respectively arranged on the rear sides of the left and right plating baths, the bath liquid collecting chambers are connected with the corresponding bath liquid shunting chambers through second pipelines, filters are arranged on the first pipelines and the second pipelines, the electroplating liquid and the electroplating additives in the mixing tank are filtered by a filter and enter the bath liquid shunting chambers, then are uniformly dispersed into the plating baths through the liquid outlet pipes to form external circulation, the electroplating liquid in the plating baths enters the bath liquid collecting chambers through the liquid suction pipes and then enter the bath liquid shunting chambers through the filters, and are uniformly dispersed into all stations of the plating baths through the liquid outlet pipes to form internal circulation.
As an improvement, one side of the mixing tank corresponding to the bath solution shunting chamber is provided with a left liquid outlet and a right liquid outlet, one end of the left first pipeline and one end of the right first pipeline are respectively connected with the corresponding liquid outlets, and the other end of the left first pipeline and the other end of the right first pipeline are connected with the corresponding bath solution shunting chamber.
Further, a plurality of stations are arranged in the plating tank, a plurality of grooves are formed in the positions, 9-11 cm below the liquid level, of the stations and communicated with each other, a liquid outlet pipe is arranged on each station and composed of a loose joint and a sealed PPR pipe, the liquid outlet pipes are arranged on one side of the tank bottom of each station in the left-right direction, outlets are formed in the tank liquid shunting chambers and communicated with the liquid outlet pipes, a plurality of spraying holes are formed in the liquid outlet pipes at intervals, and plating liquid is sprayed to the tank bottom from the liquid outlet pipes.
And furthermore, the injection holes are round holes with the diameter of 8-12mm, the distance between every two adjacent injection holes is 8-12cm, the injection holes are obliquely arranged towards the bottom of the groove, and the included angle between the injection holes and the liquid level is 40-50 degrees.
Further, the structure of pipette is the same with the drain pipe, and every station is equipped with a pipette respectively, and the pipette sets up the opposite side of keeping away from the drain pipe along left right direction, and the one end of pipette is connected with the groove liquid collecting chamber, and the spaced apart liquid suction hole that is equipped with on the pipette, the liquid suction hole sets up towards the liquid level slope, and is 40 ~ 50 with the contained angle of liquid level.
Furthermore, the bath solution collecting chamber and the bath solution distributing chamber are symmetrically arranged and have the same structure.
And finally, a first circulating pump and a second circulating pump are respectively arranged on the left first pipeline and the right first pipeline and the two second pipelines, control valves are respectively arranged at positions, close to the mixing tank and the bath solution shunting chamber, on the first pipelines, and control valves are respectively arranged at positions, close to the bath solution collecting chamber and the bath solution shunting chamber, on the second pipelines.
Compared with the prior art, the utility model has the advantages of: a mixing tank is arranged in the middle of the plating tank, electroplating solution and electroplating additives are added into the plating tank through the mixing tank, a shunting chamber and a current collecting chamber are respectively arranged on two sides of the plating tank, an external circulation structure is adopted, and the electroplating solution and the additives in the mixing tank are uniformly dispersed into stations of each plating tank through the mixing tank, a filter, the shunting chamber and a liquid outlet pipe, so that the concentration and the components of the electroplating solution are uniform; the internal circulation of the plating solution is achieved through the closed circulation of the liquid suction pipe, the collecting chamber, the filter, the flow dividing chamber and the liquid outlet pipe. The utility model discloses rational in infrastructure, the mode of adoption plating bath inner loop and extrinsic cycle can filter the impurity of plating bath, can reach plating bath concentration and composition again and evenly unanimous, ensures that the product after electroplating can produce the performance unanimity, improves the reliability of product.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in figure 1, a filtering circulation system of continuous barrel plating bath comprises a plating tank 1, a filter and a mixing tank 2, wherein the plating tank 1 is divided into two groups which are arranged on the left and the right, the mixing tank 2 is arranged between the two groups of plating tanks 1 and is used for conveying and adding plating solution and plating additives to the plating tank 1, the front side of the plating tank 1 is provided with a tank solution distribution chamber 3 and a liquid outlet pipe 4, the mixing tank 2 is connected with the tank solution distribution chambers 3 on the left and the right through a left first pipeline 10 and a right first pipeline 10, the rear sides of the left and the right plating tanks 1 are respectively provided with a tank solution collecting chamber 5 and a liquid suction pipe 6, the tank solution collecting chamber 5 is connected with the corresponding tank solution distribution chamber 3 through a second pipeline 20, the filter 100 is arranged on the first pipeline 10 and the second pipeline 20, the plating solution and the plating additives in the mixing tank 2 are filtered by the filter and enter the tank solution distribution chamber 3, and then are uniformly dispersed and enter the plating tank 1 through the liquid outlet pipe 4 to form external circulation, plating solution in the plating tank 1 enters a tank solution collecting chamber 5 through a pipette 6, then enters a tank solution shunting chamber 3 through a filter, and is uniformly dispersed in each station of the plating tank 1 through a liquid outlet pipe 4 to form internal circulation.
The concrete structure is as follows: the mixing tank 2 is provided with a left liquid outlet and a right liquid outlet corresponding to one side of the bath liquid shunting chamber 3, one end of a left first pipeline 10 and one end of a right first pipeline 10 are respectively connected with the corresponding liquid outlets, and the other end of the left first pipeline is connected with the corresponding bath liquid shunting chamber 3. A plurality of stations are arranged in the plating tank 1, 6 stations are provided in the embodiment, a plurality of grooves are formed in each station 10 cm below the liquid level, the number of the liquid outlet pipes 4 corresponds to the stations, each station is provided with a liquid outlet pipe 4, each liquid outlet pipe 4 consists of a loose joint and a closed PPR pipe, the liquid outlet pipes 4 are arranged on one side of the bottom of each station along the left and right direction, an outlet is arranged on the tank liquid shunting chamber 3 and communicated with the liquid outlet pipes 4, a plurality of spraying holes are arranged on the liquid outlet pipes 4 at intervals, and the plating solution is sprayed to the bottom of the tank from the liquid outlet pipes 4, so that the bath solution is sprayed to each plating station from the mixing tank 2 to the plating tank 1, the components of the plating solution in each station are consistent, the stability and the consistency of the plating quality are improved, through the external filtering circulation system, the plating solution additive is added from the mixing tank 2, the automatic dosing of the plating solution production line is realized, and the manual addition and the dosage is reduced, so that the additive can be uniformly dispersed on each station; the spray holes are round holes with the diameter of 8-12mm, the distance between every two adjacent spray holes is 8-12cm, the spray holes are obliquely arranged towards the bottom of the groove, and the included angle between the spray holes and the liquid level is 45 degrees.
The structure of pipette 6 is the same with drain pipe 4, and every station is equipped with a pipette 6 respectively, and pipette 6 sets up the opposite side of keeping away from drain pipe 4 along the left and right sides direction, and the one end of pipette 6 is connected with tank liquor collecting chamber 5, and the last spaced apart of pipette 6 is equipped with a plurality of imbibition holes, and the imbibition hole sets up towards the liquid level slope, and is 40 ~ 50 with the contained angle of liquid level. Thus, the plating solution enters the bath solution collecting chamber 5 through the pipette 6, enters the bath solution shunting chamber 3 through the filter 100, is uniformly dispersed in each station of the plating bath 1 through the liquid outlet pipe 4, realizes the internal circulation of the plating solution, and filters to remove the impurities in the bath solution.
The bath solution collecting chamber 5 and the bath solution distributing chamber 3 of the present embodiment are symmetrically arranged and have the same structure.
In addition, a first circulating pump 7 and a second circulating pump 8 are respectively arranged on the left first pipeline 10 and the right second pipeline 20, control valves 9 are respectively arranged on the first pipeline 10 close to the mixing tank 2 and the bath solution diversion chamber 3, and control valves 90 are respectively arranged on the second pipeline 20 close to the bath solution collecting chamber 5 and the bath solution diversion chamber 3.
When the electroplating device works, electroplating solution and an electroplating solution additive are added into the mixing tank 2, the control valve 9 and the first circulating pump 7 are opened, the electroplating solution and the electroplating solution additive in the mixing tank 2 are filtered by the filter 100 and enter the tank solution shunting chamber 3 from the first pipeline 10, and then are uniformly dispersed by the liquid outlet pipe 4 and enter each station of the electroplating tank 1 to form external circulation; and opening the control valve 90 and the second circulating pump 8, enabling the plating solution in the plating tank 1 to enter the tank solution collecting chamber 5 through the pipette 6, filtering through the filter 100, then entering the tank solution shunting chamber 3 through the second pipeline 20, and finally uniformly dispersing in each station of the plating tank 1 through the liquid outlet pipe 4 to form internal circulation.
Through the internal and external circulating filtration and circulation system, the plating solution is uniformly dispersed, bubbles are prevented from being retained on a workpiece to be plated, concentration polarization during electroplating is reduced, and the electroplating consistency is improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A filtering and circulating system of continuous barrel plating bath comprises a plating bath and a filter, and is characterized in that: the plating baths are two groups arranged on the left and right, a mixing tank used for conveying and adding electroplating liquid and electroplating additives to the plating baths is arranged between the two groups of plating baths, a bath liquid shunting chamber and a liquid outlet pipe are arranged on the front side of each plating bath, the mixing tank is connected with the bath liquid shunting chambers on the left and right sides through two first pipelines on the left and right, bath liquid collecting chambers and liquid suction pipes are respectively arranged on the rear sides of the left and right plating baths, the bath liquid collecting chambers are connected with the corresponding bath liquid shunting chambers through second pipelines, filters are arranged on the first pipelines and the second pipelines, the electroplating liquid and the electroplating additives in the mixing tank are filtered by a filter and enter the bath liquid shunting chambers, then are uniformly dispersed into the plating baths through the liquid outlet pipes to form external circulation, the electroplating liquid in the plating baths enters the bath liquid collecting chambers through the liquid suction pipes and then enter the bath liquid shunting chambers through the filters, and are uniformly dispersed into all stations of the plating baths through the liquid outlet pipes to form internal circulation.
2. The filtration cycle system of claim 1, wherein: and one side of the mixing tank, which corresponds to the bath solution shunting chamber, is provided with a left liquid outlet and a right liquid outlet, one end of the left first pipeline and one end of the right first pipeline are respectively connected with the corresponding liquid outlets, and the other end of the left first pipeline and the other end of the right first pipeline are connected with the corresponding bath solution shunting chamber.
3. The filtration cycle system of claim 2, wherein: the plating bath is internally provided with a plurality of stations, the stations are communicated with a plurality of grooves at positions 9-11 cm below the liquid level, each station is provided with a liquid outlet pipe, each liquid outlet pipe comprises a loose joint and a sealed PPR pipe, the liquid outlet pipes are arranged on one side of the bath bottom of each station along the left and right direction, an outlet is formed in the bath liquid shunting chamber and communicated with the liquid outlet pipes, a plurality of spraying holes are formed in the liquid outlet pipes at intervals, and plating solution is sprayed to the bath bottom from the liquid outlet pipes.
4. The filtration cycle system of claim 3, wherein: the spray holes are round holes with the diameter of 8-12mm, the distance between every two adjacent spray holes is 8-12cm, the spray holes are obliquely arranged towards the bottom of the groove, and the included angle between the spray holes and the liquid level is 40-50 degrees.
5. The filtration cycle system of claim 3, wherein: the structure of pipette is the same with the drain pipe, and every station is equipped with a pipette respectively, and the pipette sets up the opposite side of keeping away from the drain pipe along the left and right sides direction, and the one end of pipette is connected with the groove liquid collecting chamber, and the spaced apart liquid suction hole that is equipped with on the pipette, the liquid suction hole sets up towards the liquid level slope, and is 40 ~ 50 with the contained angle of liquid level.
6. The filtration cycle system of any one of claims 1 to 5, wherein: the bath solution collecting chamber and the bath solution shunting chamber are symmetrically arranged and have the same structure.
7. The filtration cycle system of any one of claims 1 to 5, wherein: the left and right first pipelines and the two second pipelines are respectively provided with a first circulating pump and a second circulating pump, the positions on the first pipelines, which are close to the mixing tank and the bath solution shunting chamber, are respectively provided with a control valve, and the positions on the second pipelines, which are close to the bath solution collecting chamber and the bath solution shunting chamber, are respectively provided with a control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220648156.0U CN217127589U (en) | 2022-03-22 | 2022-03-22 | Filtering and circulating system for continuous barrel plating solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220648156.0U CN217127589U (en) | 2022-03-22 | 2022-03-22 | Filtering and circulating system for continuous barrel plating solution |
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| Publication Number | Publication Date |
|---|---|
| CN217127589U true CN217127589U (en) | 2022-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220648156.0U Active CN217127589U (en) | 2022-03-22 | 2022-03-22 | Filtering and circulating system for continuous barrel plating solution |
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| Country | Link |
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| CN (1) | CN217127589U (en) |
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2022
- 2022-03-22 CN CN202220648156.0U patent/CN217127589U/en active Active
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