CN112779590A - Heavy current protection device for electroplating of electric heating towel drying rack body - Google Patents
Heavy current protection device for electroplating of electric heating towel drying rack body Download PDFInfo
- Publication number
- CN112779590A CN112779590A CN202110293959.9A CN202110293959A CN112779590A CN 112779590 A CN112779590 A CN 112779590A CN 202110293959 A CN202110293959 A CN 202110293959A CN 112779590 A CN112779590 A CN 112779590A
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- China
- Prior art keywords
- hanger
- sealing
- protective cover
- threaded joint
- cylinder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/06—Suspending or supporting devices for articles to be coated
- C25D17/08—Supporting racks, i.e. not for suspending
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/02—Electroplating of selected surface areas
- C25D5/022—Electroplating of selected surface areas using masking means
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
Abstract
A strong current protection device for electroplating an electric heating towel drying rack body comprises a sealing protection plug connected to the bottom of the rack body and a hanger protection plug at the top; the sealing protection plug comprises a sealing threaded joint, and a sealing protection cover is arranged radially outwards of the sealing threaded joint; the hanger protection plug comprises a hanger threaded connector, a hanger protection cover is arranged radially outwards from the hanger threaded connector, and the top of the hanger threaded connector is connected with a hook; the sealing protective cover and the hanger protective cover are made of plastic materials, and a plurality of water through holes are formed in the bottoms of the sealing protective cover and the hanger protective cover. The invention is based on the fact that the protective cover is not made of iron or copper materials, thereby reducing the loss of copper ions, iron ions and nickel ions and saving the loss of electroplating materials by more than 0.5 percent; and simple structure easily installs and changes, is suitable for the popularization.
Description
Technical Field
The invention relates to the field of electroplating of drying racks, in particular to a strong current protection device for electroplating of an electric heating towel drying rack body.
Background
The electrothermal towel rack and the bathroom drying rack on the existing market are mainly made of iron materials, the surface of the iron rack body needs to be electroplated, and the plating layers are mainly copper plating, nickel plating and chromium plating. Four end faces exist on the upper portion and the lower portion of the frame body, sharp corners and sharp edges are arranged on the edges of the frame body, cathode current is large in the electroplating process of the frame body, dendritic electroplating scorching can be generated at the tip end of the cathode and the protruding portion, and a cathode strong current protection device needs to be adopted. The current cathode strong current protection device generally adopts a mode of adding a circle of steel wire at the periphery of the rubber coating of an iron thread plug, but has the following defects:
1. when a steel ring on a common protection device is plated in a strong current area for a long time, dendritic electroplating is generated on the surface of the steel ring and accumulated, so that electroplating deposited metal on the steel ring needs to be cleaned regularly, if the steel ring is damaged, the steel ring needs to be replaced, and the connection part of an iron screw plug needs to be encapsulated again;
2. although the steel ring protector can effectively protect the frame bodies of the electric heating towel rack and the bathroom drying rack from being burnt and damaged by the spongy plating layer, copper, nickel and chromium ions in the electroplating solution can be lost in vain, and huge electroplating plating layer metal raw materials are wasted.
In view of the above, in order to reduce the production cost, it is necessary to design and manufacture an application and technology of a high current protection device for electroplating rack bodies of electric heating towel racks and bathroom drying racks.
Disclosure of Invention
In view of the above-mentioned problems, the present invention provides a strong current protection device for electroplating an electric towel drying rack body, which will be further described below.
A strong current protection device for electroplating an electric heating towel drying rack body comprises a sealing protection plug connected to the bottom of the rack body and a hanger protection plug at the top; the sealing protection plug comprises a sealing threaded joint, and a sealing protection cover is arranged radially outwards of the sealing threaded joint; the hanger protection plug comprises a hanger threaded connector, a hanger protection cover is arranged radially outwards from the hanger threaded connector, and the top of the hanger threaded connector is connected with a hook; the sealing protective cover and the hanger protective cover are made of plastic materials, and a plurality of water through holes are formed in the bottoms of the sealing protective cover and the hanger protective cover.
Preferably, a sealing built-in cylinder is arranged in the sealing protective cover, the sealing threaded joint is matched with the sealing built-in cylinder, and a sealing ring is arranged at the matching position of the end surface of the sealing built-in cylinder and the sealing threaded joint; the hanger protective cover is internally provided with a hanger built-in cylinder, the hanger threaded joint is matched with the hanger built-in cylinder, and the matching part of the end surface of the hanger built-in cylinder and the hanger threaded joint is also provided with a sealing ring.
Preferably, the sealing protective cover is provided with a convex sealing external cylinder, the sealing external cylinder is coaxial and communicated with the sealing internal cylinder, the sealing external cylinder is provided with a bolt hole, and a bolt is arranged at the pin hole; fixing the sealing threaded joint and the sealing protective cover into a whole to prevent relative movement, and tightening the sealing threaded joint and the sealing protective cover onto a frame body through a wrench; the rack protective cover is further provided with a convex external rack barrel, the external rack barrel is coaxial and communicated with the internal rack barrel, a rack bolt hole and a hexagon nut are arranged on the external rack barrel, a rack threaded connector and the rack protective cover are fixed into a whole to prevent relative movement through the bolt arranged at the rack bolt hole, and the rack protective cover is tightened on a rack body through a wrench.
Preferably, the sealing threaded joint and the hanger threaded joint are made of metal.
Preferably, the sealing protective cover and the sealing threaded joint, and the hanger threaded joint and the hanger protective cover are manufactured in an integral injection molding mode.
Preferably, the shapes of the sealing protective cover and the hanger protective cover are changed according to the shape of the frame body pipe fitting, and can be circular, square or oval, so that the frame body obtains the upper limit and the lower limit of the cathode current density of good plating at the end face.
Has the advantages that: compared with the prior art, the invention is based on the fact that the protective cover is not made of iron or copper materials, thereby reducing the loss of copper ions, iron ions and nickel ions and saving the loss of electroplating materials by more than 0.5 percent; and simple structure easily installs and changes, is suitable for the popularization.
Drawings
FIG. 1: the invention has a structure schematic diagram;
FIG. 2: a cross-sectional view of the seal protection plug 803;
FIG. 3: a cross-sectional view of the hanger protective plug 801;
in the figure: a hanger protection plug 801, a frame body 802 and a sealing protection plug 803;
the device comprises a sealing protective cover 1, a sealing built-in barrel 101, a sealing built-out barrel 102, a water through hole 103, a bolt hole 104, a sealing threaded joint 2, a sealing ring 3, a hook 4, a hanger threaded joint 5, a hanger protective cover 6, a hanger built-in barrel 601, a hanger built-out barrel 602 and a hanger pin hole 603.
Detailed Description
A specific embodiment of the present invention will be described in detail with reference to fig. 1-3.
A strong current protection device for electroplating an electric heating towel drying rack body comprises a sealing protection plug 803 connected to the bottom of the rack body 802 and a hanger protection plug 801 connected to the top of the rack body.
The sealing protection plug 803 comprises a sealing threaded joint 2 as a main body, a sealing protection cover 1 is arranged radially outwards, a sealing built-in cylinder 101 is arranged inside the sealing protection cover 1, the sealing threaded joint 2 is matched at the position of the sealing built-in cylinder 101, and a sealing ring 3 is arranged at the matching position of the end face of the sealing built-in cylinder 101 and the sealing threaded joint 2.
The bottom of the sealing protective cover 1 is provided with a plurality of water through holes 103, and electroplating liquid in the electroplating bath can freely circulate through the water through holes 103 during electroplating.
The sealing protective cover 1 is further provided with a convex sealing external cylinder 102, the sealing external cylinder 102 is coaxial and communicated with the sealing internal cylinder 101, a bolt hole 104 and a hexagon nut are arranged on the sealing external cylinder 102, the sealing threaded connector 2 and the sealing protective cover 1 are fixed into a whole to prevent relative movement by arranging a bolt at the pin hole 104, and the sealing protective cover is tightened on a frame body 802 through a wrench.
The hanger protection plug 801 comprises a hanger threaded connector 5 serving as a main body, a hanger protection cover 6 is arranged radially outwards, the top of the hanger threaded connector 5 is fixedly connected with a hook 4 in a welding or riveting mode, a hanger built-in barrel 601 is arranged inside the hanger protection cover 6, the hanger threaded connector 5 is matched with the hanger built-in barrel 601, and a sealing ring is arranged at the matching position of the end face of the hanger built-in barrel 601 and the hanger threaded connector 5.
The sealing protective cover 1 and the hanger protective cover 6 are made of plastic materials, and the sealing threaded joint and the hanger threaded joint are made of metal materials.
Similarly, the bottom of the hanger protective cover 6 is also provided with a plurality of limber holes for free flow of electroplating liquid in the electroplating bath during electroplating.
The hanger protection cover 6 is further provided with a convex hanger external cylinder 602, the hanger external cylinder 602 is coaxial and communicated with the hanger internal cylinder 601, the external cylinder 102 is provided with a hanger bolt hole 603 and a hexagon nut, the hanger threaded connector 5 and the hanger protection cover 6 are fixed into a whole through arranging a bolt at the hanger bolt hole 603 to prevent relative movement, and the hanger protection cover is tightened on the rack body 802 through a wrench.
The sealing protective cover 1 and the sealing threaded joint 2, the hanger threaded joint 5 and the hanger protective cover 6 are manufactured in an integral injection molding mode, in other embodiments, the sealing protective cover 1 and the hanger protective cover 6 can be connected in an assembling mode, and the sealing protective cover 1 and the hanger protective cover 6 are collectively called as protective covers.
The upper end and the lower end of the frame body 802 are provided with universal pipe threads, the hanger protection plug 801 and the sealing protection plug 803 are screwed on the frame body 802 through a bolt or a spanner, the assembled hanger protection plug 801 and the sealing protection plug 803 are hung on an electroplating line for pretreatment before electroplating, and then copper plating, nickel plating and chromium plating process operations are respectively carried out in corresponding electroplating baths.
The sealing ring can effectively prevent water and electroplating solution from entering the inner cavity of the frame body 802, and sharp corners and sharp edges of four end surfaces of the frame body 802 are protected by a plastic protective cover during electroplating, so that the upper limit and the lower limit of cathode current density of a good coating can be obtained, and the phenomena of 'scorching' and formation of dendritic crystals or a spongy coating can be avoided at the sharp corners and the sharp edges; after the electroplating is finished, the hanger protection plug 801 and the sealing protection plug 803 are taken down through a bolt or a wrench, and then the electroplating process is finished.
The plastic protective covers of the hanger protection plug 801 and the seal protection plug 803 may be circular, square, oval, etc., or may be changed according to the shape of the frame pipe, so as to obtain the upper limit and the lower limit of the cathode current density of the good plating layer on the end surface of the frame 802. Because the protective cover is not made of iron or copper materials, the loss of copper ions, iron ions and nickel ions is reduced, and the loss of electroplating materials is saved by more than 0.5 percent.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A strong current protection device for electroplating an electric heating towel drying rack body comprises a sealing protection plug (803) connected to the bottom of the rack body (802) and a hanger protection plug (801) at the top; the method is characterized in that:
the sealing protection plug (803) comprises a sealing threaded joint (2), and a sealing protection cover (1) is arranged outwards in the radial direction of the sealing threaded joint (2); the hanger protection plug (801) comprises a hanger threaded connector (5), a hanger protection cover (6) is arranged radially outwards on the hanger threaded connector (5), and the top of the hanger threaded connector (5) is connected with a hook (4);
the sealing protective cover (1) and the hanger protective cover (6) are made of plastic materials, and a plurality of water through holes (103) are formed in the bottom of the sealing protective cover.
2. A high current protection device according to claim 1, wherein:
a sealing built-in cylinder (101) is arranged in the sealing protective cover (1), the sealing threaded joint (2) is matched with the sealing built-in cylinder (101), and a sealing ring (3) is arranged at the matching position of the end surface of the sealing built-in cylinder (101) and the sealing threaded joint (2);
the hanger protection cover (6) is internally provided with a hanger built-in cylinder (601), the hanger threaded joint (5) is matched with the hanger built-in cylinder (601), and a sealing ring is arranged at the matching position of the end face of the hanger built-in cylinder (601) and the hanger threaded joint (5).
3. A high current protection device according to claim 2, wherein:
the sealing protective cover (1) is provided with a convex sealing external cylinder (102), the sealing external cylinder (102) is coaxial and communicated with the sealing internal cylinder (101), a bolt hole (104) is formed in the sealing external cylinder (102), and a bolt is arranged at the position of the bolt hole (104);
the hanger protection cover (6) is provided with a convex hanger external cylinder (602), the hanger external cylinder (602) is coaxial and communicated with the hanger internal cylinder (601), a hanger bolt hole (603) is formed in the external cylinder (102), and a bolt is arranged at the hanger pin hole (603).
4. A high current protection device according to any one of claims 1-3, wherein:
the sealing threaded joint and the hanger threaded joint are made of metal materials.
5. A high current protection device according to any one of claims 1-3, wherein:
the sealing protective cover (1) and the sealing threaded joint (2), the hanger threaded joint (5) and the hanger protective cover (6) are manufactured in an integral injection molding mode.
6. A high current protection device according to any one of claims 1-3, wherein:
the protective device is characterized in that the sealing protective cover (1) is connected with the sealing threaded joint (2), and the hanger threaded joint (5) is connected with the hanger protective cover (6) in an assembling mode.
7. A high current protection device according to any one of claims 1-3, wherein:
the shapes of the sealing protective cover (1) and the hanger protective cover (6) are changed according to the shape of the frame body pipe fitting, and can be circular, square or oval, so that the frame body (802) obtains the upper limit and the lower limit of cathode current density of a good coating at the end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110293959.9A CN112779590A (en) | 2021-03-19 | 2021-03-19 | Heavy current protection device for electroplating of electric heating towel drying rack body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110293959.9A CN112779590A (en) | 2021-03-19 | 2021-03-19 | Heavy current protection device for electroplating of electric heating towel drying rack body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112779590A true CN112779590A (en) | 2021-05-11 |
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ID=75762770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110293959.9A Pending CN112779590A (en) | 2021-03-19 | 2021-03-19 | Heavy current protection device for electroplating of electric heating towel drying rack body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112779590A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113755936A (en) * | 2021-10-21 | 2021-12-07 | 江西艾芬达暖通科技股份有限公司 | Universal towel rack electroplating hanger |
-
2021
- 2021-03-19 CN CN202110293959.9A patent/CN112779590A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113755936A (en) * | 2021-10-21 | 2021-12-07 | 江西艾芬达暖通科技股份有限公司 | Universal towel rack electroplating hanger |
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