CN216338050U

CN216338050U - Clamp for local electroplating of complex parts

Info

Publication number: CN216338050U
Application number: CN202122806361.3U
Authority: CN
Inventors: 苏展; 陈立
Original assignee: Establishment of Aviation Co Ltd
Current assignee: Establishment of Aviation Co Ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-04-19
Anticipated expiration: 2031-11-16

Abstract

The utility model discloses a clamp for local electroplating of a complex part, which comprises a supporting unit, a first protection unit, a second protection unit and a copper wire, wherein the supporting unit is provided with a first protection unit and a second protection unit; the supporting unit comprises a threaded supporting rod, and a nut is arranged at one end of the threaded supporting rod; the first protection unit is arranged on the threaded support rod and is positioned below the screw cap and used for protecting the hollow wall surface in the complex part from being electroplated; the second protection unit is arranged on the threaded support rod and is positioned on one side, away from the nut, of the first protection unit, and is used for protecting the outer side wall surface of one end of the complex part from being electroplated; one end of a copper wire is arranged on the threaded support rod and is positioned between the nut and the first protection unit, and the other end of the copper wire is used for being connected with a cathode hook. The clamp can realize the purpose of local electroplating of complex parts, has simple structure, low cost and simple and convenient operation, and can improve the production efficiency.

Description

Clamp for local electroplating of complex parts

Technical Field

The utility model relates to the technical field of clamps, in particular to a clamp for local electroplating of a complex part.

Background

When a complex part with a hollow interior is electroplated, a specific clamp is needed to clamp the part under the requirement that a specific local position is electroplated or other specified positions are not electroplated, and the wall surface which does not need to be electroplated is protected, so that the situation that the part which does not need to be electroplated is prevented from being electroplated. The traditional method adopts a gluing method to protect the non-plated surface, and the method has low efficiency and troublesome operation and can not realize rapid batch production.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide a jig for local plating of a complex part, which is simple to operate and has high plating efficiency.

The utility model provides a clamp for local electroplating of a complex part, which comprises a supporting unit, a first protection unit, a second protection unit and a copper wire, wherein the supporting unit is provided with a first protection unit and a second protection unit; wherein the content of the first and second substances,

the supporting unit comprises a threaded supporting rod, and a nut is arranged at one end of the threaded supporting rod;

the first protection unit and the second protection unit are sequentially arranged on the threaded support rod in a penetrating manner along the direction that one end of the threaded support rod, which is provided with the nut, faces the other end of the threaded support rod;

one end of the copper wire is arranged on the threaded support rod and positioned between the nut and the first protection unit, and the other end of the copper wire is used for connecting a cathode hook;

when the protection device is used, the first protection unit is used for protecting the hollow wall surface in the complex part from being electroplated, and the second protection unit is used for protecting the outer side wall surface of one end of the complex part from being electroplated.

Preferably, the supporting unit further includes a first nut and a second nut, the first nut and the second nut are respectively disposed on the threaded supporting rod in a penetrating manner, and the first nut is used for limiting the position of the first protection unit and the second nut is used for limiting the position of the second protection unit.

Preferably, first protection unit includes first metal pad, sealed pad and second metal pad, first metal pad sealed pad with the second metal pad is followed the screw thread bracing piece is provided with the one end of nut is worn to locate respectively towards the direction of the other end on the screw thread bracing piece.

Preferably, the first metal pad and the second metal pad are both made of a red copper material, and the sealing pad is made of a rubber material.

Preferably, the second protection unit comprises a third metal pad arranged on the threaded support rod in a penetrating mode, and the third metal pad faces towards the threaded support rod and is provided with a groove in the end face of the nut.

Preferably, the third metal pad is made of a red copper material.

Compared with the prior art, the utility model has the beneficial effects that:

according to the clamp for local electroplating of the complex part, the first protection unit can protect the hollow designated wall surface inside the complex part from being electroplated, and the second protection unit can protect the designated wall surface outside the complex part from being electroplated, so that the purpose of local electroplating of the complex part is achieved; in addition, the clamp has simple structure, low cost and simple and convenient operation, and can improve the production efficiency.

It should be understood that what is described in this summary section is not intended to limit key or critical features of the embodiments of the utility model, nor is it intended to limit the scope of the utility model. Other features of the present invention will become apparent from the following description.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:

fig. 1 is a schematic structural diagram of a fixture for local electroplating of a complex part according to an embodiment of the present invention;

FIG. 2 is a schematic view of a complex part;

FIG. 3 is a schematic diagram of the assembly of the fixture with a complex part;

reference numbers in the figures: 1. a support unit; 11. a threaded support rod; 12. a nut; 13. a first nut; 14. a second nut;

2. a first protection unit; 21. a first metal pad; 22. a gasket; 23. a second metal pad;

3. a second protection unit; 31. a third metal pad; 32. a groove;

4. a copper wire;

5. complex parts; 51. the wall surface is not coated; 52. and (4) coating the wall surface.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1, an embodiment of the present invention provides a fixture for local electroplating of a complex part, which is characterized by including a supporting unit 1, a first protection unit 2, a second protection unit 3, and a copper wire 4; wherein the content of the first and second substances,

the supporting unit 1 comprises a threaded supporting rod 11, and a screw cap 12 is arranged at one end of the threaded supporting rod 11;

the first protection unit 2 and the second protection unit 3 are sequentially arranged on the threaded support rod 11 in a penetrating manner along the direction that one end of the threaded support rod 11, which is provided with the screw cap 12, faces the other end;

the copper wire 4 plays a role in conducting electricity, one end of the copper wire is arranged on the threaded support rod 11 and is positioned between the screw cap 12 and the first protection unit 2, and the other end of the copper wire is used for being connected with a cathode hook;

when the device is used, the first protection unit 2 is used for protecting the hollow wall surface in the complex part from being electroplated, and the second protection unit 3 is used for protecting the outer side wall surface of one end of the complex part from being electroplated.

Further, the supporting unit 1 further includes a first nut 13 and a second nut 14, the first nut 13 and the second nut 14 are respectively disposed on the threaded supporting rod 11 in a penetrating manner, and the first nut 13 is used for limiting the position of the first protection unit 2, and the second nut 14 is used for limiting the position of the second protection unit 3.

Further, the first protection unit 2 includes a first metal pad 21, a sealing pad 22 and a second metal pad 23, and the first metal pad 21, the sealing pad 22 and the second metal pad 23 are respectively inserted into the threaded support rod 11 along the direction of the end of the threaded support rod 11 where the nut 12 is disposed toward the other end.

The sealing gasket 22 is in interference fit with the inner cavity of the part, and can be tightly attached to the non-plated surface, so that the side wall tightly attached to the sealing gasket 22 and the specified wall surface of the lower part are prevented from being plated; the first metal pad 21 and the second metal pad 23 serve to support the gasket 22, and prevent the gasket 22 from moving in the up-down direction during the electroplating process.

Further, the first metal pad 21 and the second metal pad 23 are made of red copper material, and can also be made of other metal materials with conductive performance; the sealing gasket 22 is made of rubber material, and can also be made of other materials with good sealing effect.

Further, the second protection unit 3 includes a third metal pad 31 disposed on the threaded support rod 11, and a groove 32 is disposed on an end surface of the third metal pad 31 facing the threaded support rod 11 and provided with the nut 12. Wherein, the groove 32 can be not limited to be provided as a square body or a circular cylinder or a spherical surface.

Further, the third metal pad 31 is made of red copper material, and may be made of other metal materials with conductive performance.

Example 1

Referring to fig. 2 to 3, in the fixture of the present embodiment, the groove 32 on the third metal pad 31 is provided with a spherical end surface corresponding to an end of a complex part 5, the complex part 5 is provided with a designated uncoated wall surface 51 and a designated coated wall surface 52, the uncoated wall surface 51 is protected by the first protection unit 2 and the second protection unit 3, wherein the groove 32 is provided with a spherical groove corresponding to the spherical end of the complex part 5, and the spherical groove 32 is tightly fitted with the spherical end surface of the complex part 5 to protect the designated uncoated wall surface.

The working principle of the utility model is as follows: the copper wire 4 is bound to the threaded support rod 11 in advance and located below the nut 12, then the threaded support rod 11 sequentially penetrates through holes of the first metal pad 21, the sealing pad 22 and the second metal pad 23, the first protection unit 2 is locked through the first nut 13, the first protection unit 2 is fixed to the threaded support rod 11 and located below the nut 12, and the first protection unit 2 is combined in advance; then the clamp with the first protection unit 2 assembled penetrates through the hollow complex part 5, the annular side wall of the sealing gasket 22 is abutted to the wall surface of the non-plating layer, the outer side of one end, corresponding to the complex part 5, of the third metal gasket 31 is sleeved on the outer side of the threaded support rod 11, the second protection unit 3 is locked on the threaded support rod 11 through the second nut 14, the groove 32 in the third metal gasket 31 enables the outer side appointed non-plating layer wall surface of one end of the complex part 5 to be completely and tightly wrapped, and the electrolyte solution is prevented from entering.

In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, the description of the terms "one embodiment," "some embodiments," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The clamp for local electroplating of the complex part is characterized by comprising a supporting unit (1), a first protection unit (2), a second protection unit (3) and a copper wire (4); wherein the content of the first and second substances,

the supporting unit (1) comprises a threaded supporting rod (11), and a nut (12) is arranged at one end of the threaded supporting rod (11);

the first protection unit (2) and the second protection unit (3) are sequentially arranged on the threaded support rod (11) in a penetrating manner along the direction of one end, provided with the nut (12), of the threaded support rod (11) towards the other end;

one end of the copper wire (4) is arranged on the threaded support rod (11) and is positioned between the nut (12) and the first protection unit (2), and the other end of the copper wire is used for being connected with a cathode hook;

when the device is used, the first protection unit (2) is used for protecting the hollow wall surface in the complex part from being electroplated, and the second protection unit (3) is used for protecting the outer side wall surface of one end of the complex part from being electroplated.

2. The clamp for local electroplating of complex parts according to claim 1, wherein the supporting unit (1) further comprises a first nut (13) and a second nut (14), the first nut (13) and the second nut (14) are respectively arranged on the threaded supporting rod (11) in a penetrating manner, the first nut (13) is used for limiting the position of the first protection unit (2), and the second nut (14) is used for limiting the position of the second protection unit (3).

3. The clamp for local electroplating of complex parts according to claim 2, wherein the first protection unit (2) comprises a first metal pad (21), a sealing pad (22) and a second metal pad (23), and the first metal pad (21), the sealing pad (22) and the second metal pad (23) are respectively arranged on the threaded support rod (11) in a penetrating manner along the direction from one end of the threaded support rod (11) provided with the nut (12) to the other end.

4. The jig for partial plating of complex parts according to claim 3, characterized in that the first metal pad (21) and the second metal pad (23) are both made of a red copper material, and the sealing pad (22) is made of a rubber material.

5. The clamp for local electroplating of complex parts according to claim 1, wherein the second protection unit (3) comprises a third metal pad (31) arranged on the threaded support rod (11), and a groove (32) is arranged on the end face of the third metal pad (31) facing the threaded support rod (11) and provided with the nut (12).

6. The jig for partial plating of complex parts according to claim 5, characterized in that the third metal pad (31) is made of a red copper material.