CN105002539A - Swinging-type long-pipe inner wall electroplating method and electroplating equipment applying same - Google Patents
Swinging-type long-pipe inner wall electroplating method and electroplating equipment applying same Download PDFInfo
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- CN105002539A CN105002539A CN201510405920.6A CN201510405920A CN105002539A CN 105002539 A CN105002539 A CN 105002539A CN 201510405920 A CN201510405920 A CN 201510405920A CN 105002539 A CN105002539 A CN 105002539A
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Abstract
The invention discloses a swinging-type long-pipe inner wall electroplating method and electroplating equipment applying the same. The electroplating process comprises the following steps that an inner anode penetrates through a cathode long pipe to be electroplated; the two ends of the cathode long pipe are separately connected to a liquid inlet connector and a liquid outlet connector; the liquid inlet connector and the liquid outlet connector are communicated with a liquid storage tank; the two ends of the inner anode are separately fixed on the liquid inlet connector and the liquid outlet connector; then one end of the inner anode and the outer wall of the cathode long pipe are separately connected to the positive electrode and negative electrode of a power source through flexible conductors; an electroplating solution is circularly injected into the cathode long pipe through a liquid inlet in the liquid inlet connector and a liquid outlet in the liquid outlet connector, and the inner cavity of the cathode long pipe is fully filled with the electroplating solution; the power source is started, and the cathode long pipe and the inner anode are driven to swing in a reciprocating manner by a swinging mechanism, so that an electroplating layer is formed on the inner wall of the cathode long pipe. The swinging-type long-pipe inner wall electroplating method has the beneficial effects that a recovery groove does not need to be arranged; the electroplating layer is uniform in thickness; the electroplating quality is ensured; and moreover, a liquid conveying mechanism and a power delivery mechanism of the equipment are greatly simplified.
Description
Technical field
The present invention relates to a kind of electroplating technology and equipment, particularly a kind of rotation formula inner wall of long pipe electro-plating method and electroplating device thereof.
Background technology
The horizontal long tube plating of tradition must use inner anode, but because pipe long (general 6 meters-12 meters), inner anode certainly will produce amount of deflection in long tube inside, so just cause the vertical range on anode and inner wall of long pipe surface unequal, cause thickness of coating uneven, directly affects electroplating quality.
In order to overcome above-mentioned shortcoming, people have invented workpiece rotating electroplating, and workpiece is rotated around inner anode, rely on gravity and automatically adjust, to overcome the uneven problem of thickness of coating that inner anode amount of deflection brings.But also there is certain technical problem in working process:
Although 1, workpiece rotates and solves problem in uneven thickness, it must be open that workpiece rotates, and cannot seal.Electroplate liquid all will have accumulator tank at fluid inlet end and liquid outlet end, refluxes or be withdrawn in stationary tank by pump through accumulator tank.
2, this mode electroplate liquid can not be full of completely in pipe, and the upper inside wall of pipe is exposed in atmosphere all the time, and this has very serious implications electroplating quality.And tube wall only has part contact electroplate liquid, therefore tube wall is not simultaneously all in plating, affects production efficiency.
3, electrified wire and cathode-workpiece can only adopt the mode of friction contact to be connected, and easily form electric arc, produce electrical spark, make electric current unstable, affect electroplating quality.
4, rotating electroplating is because cannot seal, and the cleaning between each operation, different solutions has just become large problem.Owing to only having an accumulator tank in the every one end of pipe, cannot be separated different liquid, Water purification brings the difficulty that cannot overcome, and cannot realize zero release.Unique terms of settlement is exactly travelling workpiece: hung from a station by workpiece and move on to next station, have a strong impact on production efficiency.And, because tube length specification is not quite identical, often move to next station, also there will be the unmatched problem of fitted position.Adopt artificial adjustment, or adopt hydraulic gear automatically to adjust, not only waste time and energy, and increase complexity and the cost of equipment.
Summary of the invention
It is even that technical problem to be solved by this invention is to provide a kind of thickness of coating, the rotation formula inner wall of long pipe electro-plating method that electroplating quality is good, production efficiency is high and electroplating device thereof.
For solving the problem, the rotation formula inner wall of long pipe electro-plating method that the present invention relates to adopts following technical scheme:
(1) inner anode is passed by the negative electrode long tube of electroplated, negative electrode long tube two ends are connected on liquid inlet joint and fluid joint, liquid inlet joint and fluid joint are communicated with reservoir respectively;
(2) inner anode two ends are separately fixed on liquid inlet joint and fluid joint, then inner anode leading-out end is connected by flexible lead with power supply positive and negative electrode respectively with negative electrode long pipe outer wall;
(3) inject electroplating solution by the liquid outlet on the fluid inlet in liquid inlet joint and fluid joint to negative electrode long tube internal recycle, and make electroplating solution be full of negative electrode long tube inner chamber;
(4) start power supply, drive negative electrode long tube and inner anode reciprocal rotation within the scope of set angle by rotatable mechaninism, form electrolytic coating at cathode length inwall.
As preferred further, the reciprocal rotation angle being controlled described negative electrode long tube and inner anode by described rotatable mechaninism is ± 180 ~ ± 360 degree.
The rotation formula inner wall of long pipe electroplating device that the present invention relates to, comprise the inner anode running through workpiece to be processed and negative electrode long tube, inner anode one end connects positive source by flexible lead, and negative electrode long tube is by being connected power cathode with the flexible lead that it is fixedly connected with; Its special character is:
Liquid inlet joint and fluid joint, be sealedly connected on the two ends of negative electrode long tube respectively, described inner anode two ends are each passed through liquid inlet joint with fluid joint and are connected with liquid inlet joint and fluid joint sealing, form closed solution cavity for making liquid inlet joint, negative electrode long tube and fluid joint;
Feed liquor flexible pipe and fluid flexible pipe, connect the fluid inlet of liquid inlet joint and the liquid outlet of fluid joint respectively, the outer end of feed liquor flexible pipe and fluid flexible pipe is received in reservoir respectively, is provided with the pump housing or filter in feed liquor hose end; For by suction negative electrode long tube after the electroplating solution supercharging in reservoir;
Rotatable mechaninism, for driving negative electrode long tube reciprocating rotation within the scope of set angle.
As preferred further, described rotatable mechaninism comprises two supports be arranged in juxtaposition, and two supports are provided with two rotating shafts be parallel to each other, and two rotating shafts are at least provided with two pairs of carrying rollers, and described negative electrode long pipe outer wall is supported on described carrying roller; Also be provided with propulsion source, be connected by transmission rig successively between propulsion source with two rotating shafts.
As preferred further, negative electrode long tube is equipped with copper buckle by bolt detachable card, and described negative electrode long tube is electrically connected with the flexible lead being connected power cathode by copper buckle.
As preferred further, described inner anode two ends are respectively equipped with outside screw and are sealedly connected between liquid inlet joint and fluid joint by the set nut be located on outside screw, and inner anode is respectively equipped with gasket at set nut and between liquid inlet joint and fluid joint.
The invention has the beneficial effects as follows:
1, because negative electrode long tube and inner anode connect into an entirety by liquid inlet joint and fluid joint, the liquid outlet of electroplating solution from the fluid inlet of liquid inlet joint to fluid joint can be realized and form closed solution cavity, without the need to arranging accumulator tank again.
2, because negative electrode long tube two ends are by liquid inlet joint and fluid joint sealing, therefore can pump in negative electrode long tube by after the electroplating solution supercharging in reservoir, electroplating solution after supercharging can be full of inner wall of long pipe completely, electroplating quality can not only be improved, and improve electroplating efficiency, and greatly simplify transfusion, the power transmission mechanism of equipment.
3, owing to being provided with rotatable mechaninism, rotatable mechaninism can drive negative electrode long tube reciprocating rotation within the scope of set angle, therefore, it is possible to it is uneven naturally to offset the thickness of coating caused because of the amount of deflection of inner anode, thickness of coating can be made even.
4, because negative electrode long tube is by being connected power cathode with the flexible lead that it is fixedly connected with, avoiding open circuit, arc-over, can current stabilization be guaranteed, ensure electroplating quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of the rotation formula inner wall of long pipe electroplating device that the present invention relates to.
Fig. 2 is the A-A part sectioned view of Fig. 1.
In figure: power supply 1, flexible lead 2, set nut 3, fluid joint 4, tube stub 5, fluid flexible pipe 6, inner anode 7, negative electrode long tube 8, flexible lead 9, liquid inlet joint 10, gasket 11, the pump housing or filter 12, feed liquor flexible pipe 13, copper buckle 14, propulsion source 15, chain drive 16, rotating shaft 17, support 18, carrying roller 19, reservoir 20.
Embodiment
As shown in Figure 1, the rotation formula inner wall of long pipe electro-plating method that the present invention relates to adopts following technical scheme:
1, inner anode 7 is passed by the negative electrode long tube 8 of electroplated, negative electrode long tube 8 two ends are sealedly connected on liquid inlet joint 10 and fluid joint 4 respectively, make negative electrode long tube 8 form by liquid inlet joint 10 and fluid joint 4 solution cavity closed; Liquid inlet joint 10 and fluid joint 4 are communicated with reservoir 20 respectively by feed liquor flexible pipe 13 and fluid flexible pipe 6; And the pump housing or filter 12 are installed on feed liquor flexible pipe 13.
2, inner anode 7 two ends are separately fixed on liquid inlet joint 10 and fluid joint 4, then inner anode 7 one leading-out ends are connected with 9 by flexible lead 2 with power supply 1 positive and negative electrode respectively with negative electrode long tube 8 outer wall.
3, inject electroplating solution by the fluid inlet in liquid inlet joint 10 and the liquid outlet on fluid joint 4 to negative electrode long tube 8 internal recycle by the described pump housing or filter 12, and make electroplating solution be full of negative electrode long tube 8 inner chamber;
4, start power supply 1, drive negative electrode long tube 8 and inner anode 7 reciprocal rotation within the scope of set angle by rotatable mechaninism, until form the electrolytic coating of setting thickness at cathode length inwall.As preferably, the reciprocal rotation angle controlling described negative electrode long tube 8 and inner anode 7 is ± 180 ~ ± 360 degree.
As depicted in figs. 1 and 2, a kind of rotation formula inner wall of long pipe electroplating device that the present invention relates to, comprise the inner anode 7 running through electroplated workpiece and negative electrode long tube 8, inner anode 7 one end connects power supply 1 positive pole by flexible lead 2, and negative electrode long tube 8 is by being connected power supply 1 negative pole with the flexible lead 9 that it is fixedly connected with.Negative electrode long tube 8 is equipped with copper buckle 14 by bolt detachable card, and described negative electrode long tube 8 is fixedly connected by copper buckle 14 and flexible lead 9.Described power supply 1 is high frequency electric source.
Liquid inlet joint 10 and fluid joint 4 is connected respectively by thread seal at the two ends of negative electrode long tube 8, the centre hole of liquid inlet joint 10 and fluid joint 4 is shoulder hole, liquid inlet joint 10 is radially provided with a fluid inlet, fluid joint 4 is radially provided with a liquid outlet, described inner anode 7 two ends are each passed through the centre hole of liquid inlet joint 10 and fluid joint 4 and are tightly connected with liquid inlet joint 10 and fluid joint 4, for negative electrode long tube 8 and inner anode 7 are connected into an entirety.Described inner anode 7 two ends are respectively equipped with outside screw and are sealedly connected between liquid inlet joint 10 and fluid joint 4 by the set nut 3 be located on outside screw, and inner anode 7 is clamped with gasket 11 respectively at set nut 3 and between liquid inlet joint 10 and fluid joint 4.
The fluid inlet of liquid inlet joint 10 and the liquid outlet of fluid joint 4 are connected feed liquor flexible pipe 13 and fluid flexible pipe 6 respectively by tube stub 5, and the outer end of feed liquor flexible pipe 13 and fluid flexible pipe 6 is received in reservoir 20 respectively.Feed liquor flexible pipe 13 is connected with the pump housing or filter 12, for pumping into after the electroplating solution supercharging in reservoir 20 in negative electrode long tube 8.
This rotation formula inner wall of long pipe electroplating device is also provided with rotatable mechaninism, for supporting and driving negative electrode long tube 8 reciprocating rotation within the scope of certain angle.As preferably, described rotatable mechaninism comprises two supports 18 be arranged in parallel at below negative electrode long tube 8, two supports 18 is provided with two and is parallel to each other and rotatable rotating shaft 17, two rotating shaft 17 symmetries are positioned at the both sides, below of negative electrode long tube 8.Two rotating shafts are at least provided with two pairs of carrying rollers 19 near two support 18 places, the present embodiment is for two pairs of carrying rollers 19, described negative electrode long tube 8 outer wall support is on two pairs of carrying rollers 19, between two supports 18, be provided with propulsion source 15, be connected by transmission rig successively between propulsion source 15 with two rotating shafts 17.As preferably, described carrying roller 19 outer rim is rubber coating, to improve the friction of carrying roller 19 and negative electrode long tube 8 outer wall.As preferably, described propulsion source 15 is formed by connecting by stepper-motor and step-down gear, and output end of reducer and two rotating shafts 17 are in transmission connection by chain drive 16 successively.Described rotatable mechaninism also drives negative electrode long tube 8 and inner anode 7 rotation by liquid inlet joint 10 or fluid joint 4.
Described rotatable mechaninism drives the reciprocating rotation angle of negative electrode long tube 8 to be ± 180 ~ ± 360 degree, is preferably ± 180 degree, and to make full use of the natural bow that inner anode 7 produces, the thickness of coating that counteracting inner anode 7 amount of deflection is brought is uneven.
During plating, by the pump housing or filter 12 by suction negative electrode long tube 8 after the electroplating solution supercharging in reservoir 20, the electroplating solution after supercharging is full of negative electrode long tube 8 inner chamber, and negative electrode long tube 8 inwall is contacted with electroplating solution completely.Start high frequency electric source 1, by inner anode 7, electroplating solution is energized and starts electroplating process.Start stepper-motor, by related dynamic two rotating shafts 17 of transmission rig and two pairs of carrying roller 19 synchronous axial system, negative electrode long tube 8 is reciprocating rotation under the friction of two pairs of carrying rollers 19 drives, and realizes plating.Flexible lead is due to what connect inner anode 7 and negative electrode long tube 8, what connect liquid inlet joint 10 fluid inlet and fluid joint 4 liquid outlet is respectively feed liquor flexible pipe 13 and fluid flexible pipe 6, therefore can not affect the reciprocal rotation of negative electrode long tube 8, inner anode 7, liquid inlet joint 10 and fluid joint 4.
Although embodiment of the present invention are open as above, but it is not restricted to listed in specification sheets and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (4)
1. a rotation formula inner wall of long pipe electro-plating method, is characterized in that, comprise step as follows:
(1) inner anode is passed by the negative electrode long tube of electroplated, negative electrode long tube two ends are connected on liquid inlet joint and fluid joint, liquid inlet joint and fluid joint are communicated with reservoir respectively;
(2) inner anode two ends are separately fixed on liquid inlet joint and fluid joint, then inner anode leading-out end is connected by flexible lead with power supply positive and negative electrode respectively with negative electrode long pipe outer wall;
(3) inject electroplating solution by the liquid outlet on the fluid inlet in liquid inlet joint and fluid joint to negative electrode long tube internal recycle, and make electroplating solution be full of negative electrode long tube inner chamber;
(4) start power supply, drive negative electrode long tube and the reciprocal rotation of inner anode by rotatable mechaninism, form electrolytic coating at cathode length inwall.
2. rotation formula inner wall of long pipe electro-plating method according to claim 1, is characterized in that: the reciprocal rotation angle being controlled described negative electrode long tube and inner anode by described rotatable mechaninism is ± 180 ~ ± 360 degree.
3. a rotation formula inner wall of long pipe electroplating device, comprise the inner anode running through workpiece to be processed and negative electrode long tube, inner anode one end connects positive source by flexible lead, and negative electrode long tube connects power cathode by flexible lead; It is characterized in that:
Liquid inlet joint and fluid joint, be sealedly connected on the two ends of negative electrode long tube respectively, described inner anode two ends are each passed through liquid inlet joint with fluid joint and are connected with liquid inlet joint and fluid joint sealing, form closed solution cavity for making liquid inlet joint, negative electrode long tube and fluid joint;
Feed liquor flexible pipe and fluid flexible pipe, connect the fluid inlet of liquid inlet joint and the liquid outlet of fluid joint respectively, the outer end of feed liquor flexible pipe and fluid flexible pipe is received in reservoir respectively, is provided with the pump housing or filter in feed liquor hose end; For by suction negative electrode long tube after the electroplating solution supercharging in reservoir;
Rotatable mechaninism, for driving negative electrode long tube reciprocating rotation within the scope of set angle.
4. inner wall of long pipe electroplating device according to claim 3, it is characterized in that: described rotatable mechaninism comprises two supports be arranged in juxtaposition, two supports are provided with two rotating shafts be parallel to each other, two rotating shafts are at least provided with two pairs of carrying rollers, and described negative electrode long pipe outer wall is supported on described carrying roller; Also be provided with propulsion source, be connected by transmission rig successively between propulsion source with two rotating shafts.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510405920.6A CN105002539A (en) | 2015-07-10 | 2015-07-10 | Swinging-type long-pipe inner wall electroplating method and electroplating equipment applying same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510405920.6A CN105002539A (en) | 2015-07-10 | 2015-07-10 | Swinging-type long-pipe inner wall electroplating method and electroplating equipment applying same |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951143A (en) * | 2016-06-07 | 2016-09-21 | 中国人民解放军第五七〇六工厂 | Electroplating device for inner wall of outer cylinder of aircraft landing gear |
| CN106094007A (en) * | 2016-08-08 | 2016-11-09 | 中国船舶重工集团公司第七〇九研究所 | A kind of quick Boraxing unit being coated with boron inner bag for Boron-coated neutron detector and method of work thereof |
| TWI572748B (en) * | 2016-09-20 | 2017-03-01 | 翁健名 | Electroplating rack for tubular structure |
| CN108716014A (en) * | 2018-05-04 | 2018-10-30 | 徐孜飞 | A kind of coiled tubing chrome-plating device |
| CN111321452A (en) * | 2018-12-17 | 2020-06-23 | 联合汽车电子有限公司 | Deep inner hole part rack plating structure |
| CN111334843A (en) * | 2020-04-26 | 2020-06-26 | 重庆理工大学 | Preparation device for metallurgical bonding coating on inner wall of metal pipe |
| CN111378985A (en) * | 2020-04-02 | 2020-07-07 | 白银原点科技有限公司 | Rotary electrochemical reactor |
| CN111826699A (en) * | 2020-08-07 | 2020-10-27 | 胜利油田高原石油装备有限责任公司 | Metal tube inner surface electrodeposition device and method |
| CN111996536A (en) * | 2020-09-21 | 2020-11-27 | 福建兵工装备有限公司 | Barrel bore liquid treatment device |
| CN113832532A (en) * | 2021-08-17 | 2021-12-24 | 合肥工业大学 | Efficient electrochemical polishing device and method for outer surface of tungsten tube |
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| JPH07224396A (en) * | 1994-02-08 | 1995-08-22 | Sumitomo Metal Ind Ltd | Method for electroplating metallic pipe and device therefor |
| CN201309972Y (en) * | 2008-12-07 | 2009-09-16 | 曹新忠 | Injector of electric plating solution |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951143A (en) * | 2016-06-07 | 2016-09-21 | 中国人民解放军第五七〇六工厂 | Electroplating device for inner wall of outer cylinder of aircraft landing gear |
| CN106094007A (en) * | 2016-08-08 | 2016-11-09 | 中国船舶重工集团公司第七〇九研究所 | A kind of quick Boraxing unit being coated with boron inner bag for Boron-coated neutron detector and method of work thereof |
| TWI572748B (en) * | 2016-09-20 | 2017-03-01 | 翁健名 | Electroplating rack for tubular structure |
| CN108716014A (en) * | 2018-05-04 | 2018-10-30 | 徐孜飞 | A kind of coiled tubing chrome-plating device |
| CN111321452A (en) * | 2018-12-17 | 2020-06-23 | 联合汽车电子有限公司 | Deep inner hole part rack plating structure |
| CN111321452B (en) * | 2018-12-17 | 2021-06-08 | 联合汽车电子有限公司 | Deep inner hole part rack plating structure |
| CN111378985A (en) * | 2020-04-02 | 2020-07-07 | 白银原点科技有限公司 | Rotary electrochemical reactor |
| CN111334843A (en) * | 2020-04-26 | 2020-06-26 | 重庆理工大学 | Preparation device for metallurgical bonding coating on inner wall of metal pipe |
| CN111826699A (en) * | 2020-08-07 | 2020-10-27 | 胜利油田高原石油装备有限责任公司 | Metal tube inner surface electrodeposition device and method |
| CN111996536A (en) * | 2020-09-21 | 2020-11-27 | 福建兵工装备有限公司 | Barrel bore liquid treatment device |
| CN113832532A (en) * | 2021-08-17 | 2021-12-24 | 合肥工业大学 | Efficient electrochemical polishing device and method for outer surface of tungsten tube |
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Address after: 121000 Jinzhou City, Liaoning province Linghe District Yunfei street two No. 40 Applicant after: Huang Jiyang Applicant after: Li Jinnian Address before: 214100, Jiangsu, Wuxi, Binhu District, golden section of Jiangnan (day view garden 42-601) Applicant before: Huang Jiyang Applicant before: Li Jinnian |
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Application publication date: 20151028 |
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