Protective equipment for selective electroplating

Abstract

This utility model discloses a protective device for selective electroplating, belonging to the field of terminal component electroplating. Key technical features include a fixed frame with an adjustment mechanism on its front side, a protective mechanism on its front side, and clamping rods on both sides of the rear side of the fixed frame. The protective mechanism includes a protective cover, several insertion holes, a silicone rubber sleeve, and several terminal components. The insertion holes are located at the bottom of the inner wall of the protective cover, and the silicone rubber sleeve is fixedly connected to the inner wall of the insertion holes. The terminal components are inserted into the silicone rubber sleeve. The adjustment mechanism includes a moving plate, an adjustment rod, and a support block. The rear side of the support block is fixedly connected to the front side of the fixed frame. This invention solves the problem that existing selective electroplating methods for terminal components often fail to protect areas that do not require electroplating, leading to contamination of these areas with chemical agents.

Description

Technical Field

[0001] This utility model relates to terminal component electroplating, and in particular to a protective device for selective electroplating. Background Technology

[0002] As a key component in electrical connections, the performance of terminal blocks directly affects the stability and reliability of circuit systems. In practical applications, the insertion and extraction positions of terminal blocks are frequently subjected to insertion and extraction forces, electrical contact friction, and environmental corrosion, while the non-insertion positions are in relatively better working conditions. Although electroplating the entire terminal block can protect the terminals to a certain extent, it also has problems such as high cost, waste of resources, and over-treatment of non-critical parts.

[0003] Currently, most jigs will have slight deformation after the product is fixed to the jig. This deformation will cause gaps at the mating position between the jig and the product, which will make the product prone to over-plating during vacuum electroplating, thus causing the product to fail to meet customer requirements.

[0004] The existing patent (publication number: CN209669382U) discloses a vacuum electroplating protective fixture. This utility model vacuum electroplating protective fixture can prevent the occurrence of overcoating defects regardless of whether the surface to be covered by the product is flat, thus ensuring customer requirements. At the same time, it can effectively reduce defects caused by the fit tolerance between the fixture and the product.

[0005] To address the aforementioned issues, existing patents have provided solutions. However, when selectively electroplating terminal components, it is inconvenient to protect the areas that do not need to be electroplated, which can easily lead to the areas that do not need to be electroplated becoming contaminated with chemical agents.

[0006] Therefore, a protective device with selective electroplating is proposed. Utility Model Content

[0007] The purpose of this invention is to provide a protective device for selective electroplating, which can solve the problem that in some existing selective electroplating devices, it is inconvenient to protect the areas that do not need to be electroplated, and the areas that do not need to be electroplated are easily contaminated by chemical agents.

[0008] To achieve the above objectives, the present invention provides the following technical solution: a protective device for selective electroplating, comprising a fixing frame, an adjustment mechanism provided on the front side of the fixing frame, a protective mechanism provided on the front side of the adjustment mechanism, and clamping rods provided on both sides of the rear side of the fixing frame;

[0009] The protective mechanism includes a protective cover, several sockets, a silicone rubber sleeve, and several terminal pieces. The sockets are located at the bottom of the inner wall of the protective cover, the silicone rubber sleeve is fixedly connected to the inner wall of the sockets, and the terminal pieces are inserted into the inside of the silicone rubber sleeve.

[0010] Preferably, the adjustment mechanism includes a movable plate, an adjustment rod, and a support block. The rear side of the support block is fixedly connected to the front side of the fixed frame, the bottom of the adjustment rod is rotatably connected to the top of the support block, and the adjustment rod is threadedly connected inside the movable plate.

[0011] Preferably, connecting frames are fixedly connected to both sides of the movable plate, the front side of the connecting frame is fixedly connected to the rear side of the protective cover, and the rear side of the connecting frame is in movable contact with the front side of the fixed frame.

[0012] Preferably, the clamping rod is threaded inside the fixing frame, a clamping plate is rotatably connected to the front side of the clamping rod, and a handle is fixedly connected to the top of the fixing frame.

[0013] Preferably, the top of the protective cover is provided with a metal connecting plate, and the bottom of the metal connecting plate is fixedly connected with a metal connecting post for use with the terminal piece, and the metal connecting post is tightly inserted into the interior of the terminal piece.

[0014] Preferably, a handle is fixedly connected to the top of the metal connecting plate, and a chamfer is provided at the bottom of the metal connecting column.

[0015] Preferably, both the protective cover and the connecting frame are made of ceramic.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] 1. This application sets up a protective mechanism. After the terminal piece is inserted into the beveled metal connecting post, multiple terminal pieces are inserted into the silicone rubber sleeve through the handle. The silicone rubber sleeve tightly wraps the terminal piece to achieve positioning and sealing. The electroplating area of ​​the terminal piece is controlled by adjusting the insertion depth. The part that is not exposed is protected by the silicone rubber sleeve and the ceramic protective cover to avoid contamination with electroplating solution and solve the problem of contamination in non-electroplated areas.

[0018] 2. This application sets up an adjustment mechanism, in which the adjustment rod is rotatably connected to the support block and threaded through the moving plate. When the adjustment rod is rotated, the moving plate drives the protective cover to rise and fall through the connecting frame, precisely controlling the depth of the terminal parts immersed in the electroplating solution, and achieving selective electroplating in conjunction with the protective mechanism. Attached Figure Description

[0019] Figure 1 This is an overall structural diagram of the selective electroplating protective equipment of this utility model;

[0020] Figure 2This is a three-dimensional exploded view of the terminal component and protective cover in this utility model;

[0021] Figure 3 This utility model Figure 2 A magnified view of a section at point A in the middle;

[0022] Figure 4 This is a three-dimensional structural diagram of the rear side of the fixing frame in this utility model;

[0023] Figure 5 This is a three-dimensional connection diagram of the adjustment mechanism in this utility model.

[0024] In the diagram, 1. Fixed frame; 2. Adjustment mechanism; 201. Moving plate; 202. Adjustment rod; 203. Support block; 3. Clamping rod; 4. Protective mechanism; 401. Protective cover; 402. Insertion hole; 403. Silicone rubber sleeve; 404. Terminal piece; 5. Connecting frame; 6. Metal connecting plate; 7. Metal connecting column; 8. Handle; 9. Clamping plate; 10. Lifting handle. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figure 1-5 The present invention provides the following technical solution:

[0027] A protective device for selective electroplating includes a fixing frame 1, a metal connecting column 7, an adjustment mechanism 2 is provided on the front side of the fixing frame 1, a protective mechanism 4 is provided on the front side of the adjustment mechanism 2 of the metal connecting column 7, and clamping rods 3 are provided on both sides of the rear side of the fixing frame 1.

[0028] The metal connecting post 7 protective mechanism 4 includes a protective cover 401, several insertion holes 402, a silicone rubber sleeve 403, and several terminal pieces 404. The insertion holes 402 of the metal connecting post 7 are opened at the bottom of the inner wall of the protective cover 401. The silicone rubber sleeve 403 of the metal connecting post 7 is fixedly connected to the inner wall of the insertion hole 402. The terminal pieces 404 of the metal connecting post 7 are inserted into the inside of the silicone rubber sleeve 403.

[0029] In this embodiment: By inserting the terminal piece 404 into the metal connecting post 7, and holding the handle 10 into the silicone rubber sleeve 403 of the protective cover 401, the insertion depth is adjusted to expose the area to be electroplated. The unexposed part is covered by the silicone rubber sleeve 403 and the protective cover 401. The fixing frame 1 is clamped to the edge of the electroplating tank by the clamping rod 3 and the clamping plate 9. The adjusting rod 202 is rotated to lower the protective cover 401, allowing the area to be electroplated to be immersed in the electroplating solution. The ceramic protective cover 401 and the connecting frame 5 are corrosion resistant. The silicone rubber sleeve 403 and the protective cover 401 protect the non-electroplated areas of the terminal piece 404. The current is conducted to the terminal piece 404 through the metal connecting plate 6 and the metal connecting post 7. An electrochemical reaction occurs in the area to be electroplated to form a plating layer, achieving selective electroplating. After completion, the protective cover 401 is raised and the terminal piece 404 is taken out. This solves the problem that some existing methods of selectively electroplating terminal pieces are inconvenient to protect the areas that do not need to be electroplated, which can easily lead to the areas that do not need to be electroplated being contaminated by chemical agents.

[0030] Specifically, such as Figure 1 As shown, the adjustment mechanism 2 includes a movable plate 201, an adjustment rod 202, and a support block 203. The rear side of the support block 203 is fixedly connected to the front side of the fixed frame 1. The bottom of the adjustment rod 202 is rotatably connected to the top of the support block 203. The adjustment rod 202 is threadedly connected to the inside of the movable plate 201.

[0031] Specifically, such as Figure 1 As shown, connecting brackets 5 are fixedly connected to both sides of the movable plate 201. The front side of the metal connecting column 7 connecting bracket 5 is fixedly connected to the rear side of the protective cover 401, and the rear side of the metal connecting column 7 connecting bracket 5 is in contact with the front side of the fixed bracket 1.

[0032] Specifically, such as Figure 1 and Figure 4 As shown, the clamping rod 3 is threaded inside the fixing frame 1, and the front side of the clamping rod 3 is rotatably connected to the metal connecting column 7. The top of the fixing frame 1 is fixedly connected to the metal connecting column 7 and the handle 8.

[0033] In this embodiment: the adjustment mechanism 2 is fixed to the fixed frame 1 by the support block 203. The adjustment rod 202 is threadedly engaged with the moving plate 201. When the adjustment rod 202 is rotated, the moving plate 201 can be driven to move up and down along the adjustment rod 202. Then, the lifting and lowering of the protective cover 401 can be precisely controlled by the connecting frame 5, which facilitates the operation of immersing the terminal 404 in the electroplating solution. The clamping rod 3 is threadedly connected to the fixed frame 1. Rotating the clamping rod 3 can make the clamping plate 9 tightly clamp the edge of the external electroplating tank. With the design of the handle 8, the fixed frame 1 can be moved conveniently.

[0034] Specifically, such as Figure 3As shown, a metal connecting plate 6 is provided on the top of the protective cover 401, and a metal connecting post 7 is fixedly connected to the bottom of the metal connecting plate 6. The metal connecting post 7 is used in conjunction with the terminal piece 404 and is tightly inserted into the interior of the terminal piece 404.

[0035] Specifically, such as Figure 2 As shown, a handle 10 is fixedly connected to the top of the metal connecting plate 6, and a chamfer is provided at the bottom of the metal connecting post 7.

[0036] Specifically, such as Figure 1 As shown, both the protective cover 401 and the connecting bracket 5 are made of ceramic.

[0037] In this embodiment: the metal connecting post 7 at the bottom of the metal connecting plate 6 is tightly inserted into the terminal piece 404. Its bottom chamfer design facilitates quick and accurate insertion and serves as a current conduction medium to ensure electroplating is energized. The handle 10 is provided to facilitate the simultaneous movement of multiple terminal pieces 404, improving operating efficiency. The protective cover 401 and the connecting frame 5 are made of ceramic material, which is resistant to electroplating solution corrosion and can prevent electroplating solution from adhering. Together with the corrosion-resistant silicone rubber sleeve 403, the terminal piece 404 is sealed and positioned, effectively protecting the non-electroplated area, avoiding chemical agent contamination, and ensuring the accuracy and reliability of selective electroplating of the terminal piece 404.

[0038] Working principle: First, insert the terminal piece 404 to be electroplated into the metal connecting post 7. The chamfered bottom of the metal connecting post 7 facilitates precise insertion. Then, holding the handle 10, multiple terminal pieces 404 can be inserted into the silicone rubber sleeve 403 inside the insertion hole 402 at the bottom of the inner wall of the protective cover 401 at one time. The silicone rubber sleeve 403 tightly wraps the terminal piece 404, providing initial positioning and sealing. According to the required electroplating area of ​​the terminal piece 404, manually adjust the insertion depth of the terminal piece 404 in the silicone rubber sleeve 403 so that the distance of the bottom of the terminal piece 404 protruding from the protective cover 401 meets the requirements. For areas requiring electroplating, the exposed portion is the area to be electroplated, while the non-exposed portion is covered by a silicone rubber sleeve 403 and a protective cover 401. Next, the clamping rod 3 on the rear side of the fixing frame 1 is threaded into the fixing frame 1. Rotating the clamping rod 3 clamps and fixes the clamping plate 9 to the edge of the external electroplating tank, ensuring the equipment is stably installed on the electroplating tank. Then, rotating the adjusting rod 202 in the adjusting mechanism 2 causes the moving plate 201 to move up and down along the adjusting rod 202, as the adjusting rod 202 is threadedly connected to the moving plate 201 and its bottom is rotatably connected to the support block 203. The connecting bracket 5 is fixedly connected to the protective cover 401, causing the protective cover 401 to descend with the moving plate 201 until the portion of the terminal piece 404 exposed above the protective cover 401 is completely immersed in the electroplating solution. At this point, the ceramic protective cover 401 and the connecting bracket 5, being resistant to electroplating solution corrosion, prevent the electroplating solution from adhering to their surfaces. Meanwhile, the corrosion-resistant silicone rubber sleeve 403 and the protective cover 401 tightly protect the parts of the terminal piece 404 that do not require electroplating, preventing contact with the electroplating solution. This allows for selective electroplating of the terminal piece 404. During the electroplating process, current flows through the metal connecting plate 6 and the metal connecting post 7. The electroplating solution conducts to the terminal 404, where the area to be electroplated undergoes an electrochemical reaction, forming a uniform electroplating layer and achieving selective electroplating. The terminal 404 is protected by the protective cover 401 and the silicone rubber sleeve 403, preventing contamination of the areas of the terminal 404 that do not need to be electroplated. After completion, the adjusting rod 202 is reversed to raise the protective cover 401, and the terminal 404 can be removed. This solves the problem that in some existing methods of selective electroplating of terminal components, it is inconvenient to protect the areas that do not need to be electroplated, which can easily lead to contamination of the areas that do not need to be electroplated with chemical agents.

[0039] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A protective device for selective electroplating, comprising a mounting bracket (1), characterized in that: An adjustment mechanism (2) is provided on the front side of the fixed frame (1), a protective mechanism (4) is provided on the front side of the adjustment mechanism (2), and clamping rods (3) are provided on both sides of the rear side of the fixed frame (1). The protective mechanism (4) includes a protective cover (401), several sockets (402), a silicone rubber sleeve (403), and several terminal pieces (404). The sockets (402) are opened at the bottom of the inner wall of the protective cover (401), the silicone rubber sleeve (403) is fixedly connected to the inner wall of the sockets (402), and the terminal pieces (404) are inserted into the inside of the silicone rubber sleeve (403).

2. The protective equipment for selective electroplating according to claim 1, characterized in that: The adjustment mechanism (2) includes a movable plate (201), an adjustment rod (202), and a support block (203). The rear side of the support block (203) is fixedly connected to the front side of the fixed frame (1). The bottom of the adjustment rod (202) is rotatably connected to the top of the support block (203). The adjustment rod (202) is threadedly connected inside the movable plate (201).

3. The protective equipment for selective electroplating according to claim 2, characterized in that: Both sides of the movable plate (201) are fixedly connected to connecting frames (5). The front side of the connecting frame (5) is fixedly connected to the rear side of the protective cover (401), and the rear side of the connecting frame (5) is in movable contact with the front side of the fixed frame (1).

4. The protective equipment for selective electroplating according to claim 1, characterized in that: The clamping rod (3) is threaded inside the fixing frame (1), and a clamping plate (9) is rotatably connected to the front side of the clamping rod (3). A handle (8) is fixedly connected to the top of the fixing frame (1).

5. The protective equipment for selective electroplating according to claim 1, characterized in that: The top of the protective cover (401) is provided with a metal connecting plate (6), and the bottom of the metal connecting plate (6) is fixedly connected with a metal connecting post (7) that is used in conjunction with the terminal piece (404). The metal connecting post (7) is tightly inserted into the interior of the terminal piece (404).

6. The protective equipment for selective electroplating according to claim 5, characterized in that: The top of the metal connecting plate (6) is fixedly connected to a handle (10), and the bottom of the metal connecting column (7) is chamfered.

7. The protective equipment for selective electroplating according to claim 3, characterized in that: The protective cover (401) and the connecting frame (5) are both made of ceramic.

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