CN219157032U

CN219157032U - Electroplating tool for inner cavity structural part

Info

Publication number: CN219157032U
Application number: CN202222537676.7U
Authority: CN
Inventors: 何广杰; 吴风岭; 冯阁; 吕亚楠
Original assignee: Xinxiang Aviation Industry Group Co Ltd
Current assignee: Xinxiang Aviation Industry Group Co Ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-06-09
Anticipated expiration: 2032-09-23

Abstract

The utility model relates to an inner cavity structure part electroplating tool in the technical field of part inner cavity electroplating, which comprises a placing rack with a lower section capable of being immersed into electroplating liquid, wherein hooks capable of being electrically connected with a power supply cathode are arranged at two ends of the top of the placing rack; the inner bottom surface of the placing frame is connected with a vertical anode rod with the outer surface consistent with the surface shape of the inner cavity of the part to be electroplated in an insulating manner, and the bottom of the vertical anode rod is electrically connected with a conductive piece which can be electrically connected with a power supply anode. The utility model only electroplates the inner cavity surface of the part to be electroplated, and the electroplating process is carried out separately from the electroplating process of the outer surface of the part to be electroplated, thereby solving the technical problem that the electroplating growth speed is inconsistent when the inner cavity surface and the outer surface of the part to be electroplated are electroplated simultaneously.

Description

Electroplating tool for inner cavity structural part

Technical Field

The utility model relates to the technical field of electroplating of inner cavities of parts, in particular to an inner cavity structure part electroplating tool.

Background

The steel material has the advantages of good comprehensive performance, easy processing and forming, rich resources, stable quality, high strength and the like, and is widely applied to the industrial fields of mechanical parts, marine ships, aircraft landing gear and the like. However, the corrosion resistance of steel materials is poor, and under the actual working condition, the steel materials are easily corroded on the surface of a workpiece under the influence of environmental factors, so that the workpiece is invalid, and the current approach for improving the corrosion resistance of most steel materials is to perform electroplating cadmium treatment on the surface treatment.

At present, most of iron and steel parts have an inner cavity structure, and the electroplated cadmium is influenced by the part structure and the characteristics of the traditional electroplating process, so that the difference of the growth speed of the inner cavity and the outer surface of the part is large, the uniformity of the inner surface plating layer and the outer surface plating layer of the part is not easy to ensure, and the quality of a real object of the part is influenced;

therefore, a tool for electroplating the inner cavity structure of the part is provided.

Disclosure of Invention

The utility model aims to solve the problems and provide an inner cavity structure part electroplating tool.

The utility model realizes the above purpose through the following technical scheme:

the utility model provides an inner cavity structure part electroplates frock, includes that the lower segment portion can immerse the inside rack of plating solution, rack top both ends all are equipped with the couple that can be with power negative pole electric connection; the bottom surface of the rack is connected with a vertical anode rod in an insulating way, and the bottom of the vertical anode rod is electrically connected with a conductive piece which can be electrically connected with a power anode; the inner bottom surface of the placing frame is uniformly provided with a plurality of cathode parts which are electrically connected with the inner bottom surface of the placing frame and can be electrically contacted with the outer surface of the part to be electroplated by taking the vertical anode rod as a center, and the part to be electroplated is fixed.

Preferably, a threaded part which can be in threaded fit with the outer surface of the part to be electroplated is arranged on one side of the cathode part corresponding to the vertical anode rod.

Preferably, the diameter of a circle formed by one side of the cathode part corresponding to the vertical anode rod is matched with the outer diameter of the bottom of the part to be electroplated.

Preferably, the position of the inner bottom surface of the rack corresponding to the vertical anode rod is provided with a vertical through hole, the upper end and the lower end of the through hole are provided with insulating sleeves extending out of the through hole, and the insulating sleeves are fixedly sleeved on the rod body at the lower section of the vertical anode rod.

Preferably, the conductive member is a wire; the lower end of the vertical anode rod is electrically provided with a wiring part, and the wiring part is correspondingly and electrically connected with the conductive piece.

Preferably, the insulating sleeve material is fluoroplastic, ceramic or rubber.

Preferably, the vertical anode rod material is lead.

Preferably, the cathode member material is stainless steel, carbon steel or copper.

Preferably, a plurality of vertical anode rods are uniformly arranged on the inner bottom surface of the placement frame at intervals, and a plurality of cathode pieces are annularly arranged on the periphery of each vertical anode rod at intervals.

The beneficial effects are that:

1. the distance between the inner cavity surface of the part to be electroplated and the vertical anode rod is consistent and not deviated, the part to be electroplated can be electrically connected with the power cathode while the cathode part is used for fixing the part to be electroplated, and then the part to be electroplated is matched with the vertical anode rod which is not contacted with the part to be electroplated, so that the inner cavity surface of the part to be electroplated is uniformly electroplated, and finally the inner cavity surface of the part to be electroplated is uniformly consistent with the outer surface of the part to be electroplated;

2. the electroplating tool realizes that the inner cavity surface of the part to be electroplated is electroplated only, and is separated from the outer surface electroplating process of the part to be electroplated, so that the technical problem that the inner cavity surface and the outer surface of the part to be electroplated are electroplated simultaneously and the electroplating growth speed is inconsistent is solved.

Additional features and advantages of the utility model will be set forth in the description which follows, or may be learned by practice of the utility model.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:

FIG. 1 is a schematic view of the structure of a part to be electroplated;

FIG. 2 is a first structural schematic of the present utility model;

FIG. 3 is a cross-sectional view of the utility model in a first use condition;

FIG. 4 is a second construction schematic of the present utility model;

fig. 5 is a cross-sectional view of the utility model in a second use condition.

The reference numerals are explained as follows:

1. a placing rack; 11. a hook; 12. a through hole; 2. a vertical anode rod; 21. a wiring section; 3. a conductive member; 4. a cathode member; 41. a threaded portion; 5. an insulating sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

1-5, an inner cavity structure part electroplating tool comprises a placing frame 1, wherein the lower section part of the placing frame can be immersed into electroplating liquid, and hooks 11 which can be electrically connected with a power supply cathode are arranged at two ends of the top of the placing frame 1;

according to the requirements, in the embodiment, when in use, the hook 11 is directly connected with the horizontal and vertical power supply cathode rod body in a hanging manner, so that the fixture position is fixed, and the hook 11 is electrically connected with the power supply cathode;

according to the need, in another embodiment, a connection part capable of being electrically connected with the cathode of the power supply may be further provided on the hook 11, and the connection part may be a connection terminal, a binding post, etc., so that the hook 11 may be solved at other positions convenient for hooking;

the bottom surface in the placing frame 1 is connected with a vertical anode rod 2 in an insulating way, and the bottom of the vertical anode rod 2 is electrically connected with a conductive piece 3 which can be electrically connected with a power anode; the inner bottom surface of the placing frame 1 is uniformly provided with a plurality of cathode parts 4 which are electrically connected with the inner bottom surface of the placing frame 1 and can be electrically contacted with the outer surface of the part to be electroplated by taking the vertical anode rod 2 as a center in a spacing ring manner, and the part to be electroplated is fixed;

according to the requirement, the vertical anode rod 2 is of a cylindrical structure, or the outer surface of the vertical anode rod 2 is consistent with the shape of the inner cavity surface of the part to be electroplated;

in the structure, when the electroplating device is used, firstly, parts to be electroplated with the outer surface are coaxially sleeved on the periphery of a vertical anode rod 2 at intervals, then the parts to be electroplated are fixed through a plurality of cathode pieces 4, then the bottom of a placing rack 1 is immersed into electroplating liquid, the parts to be electroplated are ensured to be completely immersed into the electroplating liquid, then a hook 11 is directly connected with a horizontal and vertical power cathode rod body in a hanging mode, and then a power supply is connected;

the arrangement can ensure that the distance between the inner cavity surface of the part to be electroplated and the vertical anode rod 2 is consistent and not deviated, the cathode part 4 is used for fixing the part to be electroplated, the part to be electroplated can be electrically connected with a power supply cathode, then the part to be electroplated is matched with the vertical anode rod 2 which is not contacted with the part to be electroplated, the inner cavity surface of the part to be electroplated is uniformly electroplated, and finally the inner cavity surface of the part to be electroplated is uniformly consistent with the outer surface of the part to be electroplated;

the electroplating tool realizes that the inner cavity surface of the part to be electroplated is electroplated only, and is separated from the outer surface electroplating process of the part to be electroplated, so that the technical problem that the inner cavity surface and the outer surface of the part to be electroplated are electroplated simultaneously and the electroplating growth speed is inconsistent is solved.

In the second embodiment, as shown in fig. 4 to 5, a threaded portion 41 capable of being in threaded fit with the outer surface of the part to be electroplated is provided on one side of the cathode member 4 corresponding to the vertical anode rod 2;

the cathode part 4 is in threaded fit with the outer surface of the part to be electroplated, so that the fixing function of the part to be electroplated is realized, and the function of electric connection with the outer surface of the part to be electroplated is also realized;

if necessary, in another embodiment, the cathode member 4 may also be a threaded sleeve, and the threaded sleeve is provided with a notch along its circumference for the flow of the plating solution.

The third embodiment is different from the second embodiment in that, as shown in fig. 2-3, the diameter of a circle formed by the cathode element 4 corresponding to one side of the vertical anode rod 2 is adapted to the outer diameter of the bottom of the part to be electroplated, that is, the inner diameter of a ring formed by a plurality of cathode elements 4 is adapted to the outer diameter of the bottom of the part to be electroplated;

the upper end surface of the cathode part 4 is in interference fit with the step surface of the outer surface of the part to be electroplated according to the requirement;

the arrangement can limit or clamp the outer surface of the part to be electroplated through the cathode part 4, so that the fixing function of the part to be electroplated is realized, and the function of electric connection with the outer surface of the part to be electroplated is also realized.

In the fourth embodiment, as shown in fig. 3 or 5, a vertical through hole 12 is formed in the inner bottom surface of the placement frame 1 at a position corresponding to the vertical anode rod 2, an insulating sleeve 5 with upper and lower ends extending out of the through hole 12 is arranged in the cavity of the through hole 12, and the insulating sleeve 5 is fixedly sleeved on the lower section of the vertical anode rod 2;

the outer surface of the upper section of the vertical anode rod 2 is consistent with the shape of the inner cavity surface of the part to be electroplated according to the requirement;

according to the requirement, the insulating sleeve 5 is sleeved on the lower section of the vertical anode rod 2 in an interference fit manner;

the vertical anode rod 2 can be adjusted in upper and lower positions as required, for example, the insulating sleeve 5 is made of fluoroplastic or rubber;

the insulating sleeve 5 can be made of other insulating materials such as ceramics according to the requirement;

the arrangement realizes the insulation connection between the vertical anode rod 2 and the inner bottom surface of the rack 1;

the conductive element 3 is a wire as required; the lower end of the vertical anode rod 2 is electrically provided with a wiring part 21, and the wiring part 21 is correspondingly and electrically connected with the conductive piece 3;

the vertical anode rod 2 is made of lead, and the cathode member 4 is made of stainless steel, carbon steel or copper according to requirements.

In a fifth embodiment, on the basis of any one of the first to fourth embodiments, as shown in fig. 2 to 5, a plurality of vertical anode rods 2 are uniformly arranged on the inner bottom surface of the placement frame 1 at intervals, and a plurality of cathode pieces 4 are arranged on the periphery of each vertical anode rod 2 at intervals in a ring manner;

the inner cavity surfaces of a plurality of parts to be electroplated can be electroplated at one time, and the electroplating efficiency is improved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An inner cavity structure part electroplating tool, which is characterized in that: the electroplating device comprises a placing rack (1) with the lower section capable of being immersed into electroplating liquid, wherein hooks (11) capable of being electrically connected with a power supply cathode are arranged at two ends of the top of the placing rack (1); the inner bottom surface of the placement frame (1) is connected with a vertical anode rod (2) in an insulating way, and the bottom of the vertical anode rod (2) is electrically connected with a conductive piece (3) which can be electrically connected with a power anode; the inner bottom surface of the placing frame (1) is uniformly provided with a plurality of cathode pieces (4) which are electrically connected with the inner bottom surface of the placing frame (1) by taking the vertical anode rod (2) as a center and can be electrically contacted with the outer surface of the part to be electroplated, and the part to be electroplated is fixed.

2. The tool for electroplating a structural part of an inner cavity of claim 1, wherein: one side of the cathode part (4) corresponding to the vertical anode rod (2) is provided with a threaded part (41) which can be in threaded fit with the outer surface of the part to be electroplated.

3. The tool for electroplating a structural part of an inner cavity of claim 1, wherein: the diameter of a circle formed by one side of the cathode part (4) corresponding to the vertical anode rod (2) is matched with the outer diameter of the bottom of the part to be electroplated.

4. The tool for electroplating a structural part of an inner cavity of claim 1, wherein: the bottom surface corresponds vertical positive pole stick (2) in rack (1) position is equipped with vertical through hole (12), and through hole (12) bore is equipped with insulating cover (5) that upper and lower extreme all stretches out through hole (12), and insulating cover (5) fixed cover locates vertical positive pole stick (2) hypomere body.

5. The tool for electroplating a structural part of an inner cavity of claim 4, wherein: the conductive piece (3) is a wire; the lower end of the vertical anode rod (2) is electrically provided with a wiring part (21), and the wiring part (21) is correspondingly and electrically connected with the conductive piece (3).

6. The tool for electroplating a structural part of an inner cavity of claim 4, wherein: the insulating sleeve (5) is made of fluoroplastic, ceramic or rubber.

7. The tool for electroplating a structural part of an inner cavity of claim 1, wherein: the vertical anode rod (2) is made of lead.

8. The tool for electroplating a structural part of an inner cavity of claim 1, wherein: the cathode part (4) is made of stainless steel, carbon steel or copper.

9. An inner cavity structure part electroplating tool according to any one of claims 1-8, wherein: the inner bottom surface of the placement frame (1) is uniformly provided with a plurality of vertical anode rods (2) at intervals, and a plurality of cathode pieces (4) are annularly arranged at intervals on the periphery of each vertical anode rod (2).