Cylindrical part inner wall chromium plating device

By designing a chrome plating device for the inner wall of the cylindrical part, the problem of uneven chrome plating caused by the eccentricity of the anode rod is solved, and uniform chrome plating of the inner wall of the cylindrical part is achieved.

CN223134629UActive Publication Date: 2025-07-22HUBEI CHINA ENTREPRENEURSHIP SERVICE CO LTD
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Patent Information

Application Number
CN202422083342.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-26
Publication Date
2025-07-22
Estimated Expiration
2034-08-26

AI Technical Summary

Technical Problem

The anode rods of existing electroplating equipment are prone to eccentricity on the inside of the cylindrical parts, resulting in uneven chrome plating on the inner wall of the cylindrical parts.

Method used

A chrome plating device for the inner wall of the cylindrical parts is designed, including a base, a cathode connection module and anode connection module. By setting up a mounting slot, a cathode connection module and anode connection module, it ensures that the anode rod can be accurately positioned in the center of the cylindrical parts and achieve uniform chrome plating.

Benefits of technology

By setting the positioning hole of the anode supply module, the anode rod can be accurately positioned in the center of the cylindrical part, ensuring the uniformity of the chrome plating of the inner wall of the cylindrical part.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of electroplating, in particular to a chromium plating device for the inner wall of a cylindrical part. Comprising a base, a cathode supply and connection module and an anode supply and connection module, the base is provided with a mounting groove, a cylinder part to be chromed can be mounted on the base through the mounting groove, the cathode supply and connection module is slidably connected to the base and can be slidably connected with the cylinder part in the direction of the cylinder part, and the anode supply and connection module is mounted at the top end of the cylinder part. The anode supply and connection module is provided with a positioning hole, when chromium plating work of the inner wall of the cylindrical part is carried out, a cathode of electroplating equipment is connected with the cathode supply and connection module, an anode bar is connected to the positioning hole, and when the cathode and an anode are powered on, chromium plating of the inner wall of the cylindrical part can be achieved, and through the arrangement of the positioning hole in the anode supply and connection module, the anode bar can be positioned; the anode bar can be located in the center of the cylinder part, and therefore uniform chromium plating of the inner wall of the cylinder part can be guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of electroplating, in particular to a chromium plating device for the inner wall of a cylindrical part. Background Art

[0002] Chromium plating on the inner wall of a cylindrical part is mainly applied to equipment with relatively low requirements for inner hole friction, such as components of a cement pump truck, a directional pipe, an oil cylinder, etc.

[0003] During the electroplating process, the cylindrical part is placed in an electroplating tank. The anode rod of the electroplating equipment is arranged at the center inside the cylindrical part, and the cathode of the electroplating equipment is connected to the outer wall of the cylindrical part. By energizing the anode and the cathode respectively, chromium plating on the inner wall of the cylindrical part can be achieved.

[0004] However, the anode rod of the existing electroplating equipment is prone to eccentricity inside the cylindrical part, resulting in uneven chromium plating on the inner wall of the cylindrical part. Content of the Utility Model

[0005] The purpose of the utility model is to overcome the above technical deficiencies, and provide a chromium plating device for the inner wall of a cylindrical part, so as to solve the technical problem that the anode rod of the electroplating equipment in the existing technology is prone to eccentricity, resulting in uneven chromium plating on the inner wall of the cylindrical part.

[0006] To achieve the above technical purpose, the technical solution of the utility model provides a chromium plating device for the inner wall of a cylindrical part, including a base, a cathode connection module, and an anode connection module. The base is provided with an installation groove for installing the bottom end of the cylindrical part. The cathode connection module is slidably connected to the base and can be slidably connected to the cylindrical part by sliding towards the direction of the cylindrical part. The cathode connection module is used for connecting the cathode, and the anode connection module is used for being installed at the top end of the cylindrical part. The anode connection module is provided with a positioning hole for the anode rod to pass through, so that the anode rod is located at the center of the cylindrical part.

[0007] Optionally, the anode connection module includes a positioning plate and a limiting cover. The positioning plate is used for being installed at the top end of the cylindrical part. The positioning hole is arranged on the positioning plate, and the limiting cover covers the positioning plate to fix the positioning plate.

[0008] Optionally, a protective notch is arranged on the side of the limiting cover, and the protective notch extends to the end face of the limiting cover.

[0009] Optionally, the anode connection module further includes two adjusting bolts. The two adjusting bolts are oppositely arranged and are threadedly connected to the side of the limiting cover. The adjusting bolts are used for axially moving to abut against the cylindrical part.

[0010] Optionally, the positioning plate is further provided with a plurality of air holes, and each of the air holes is disposed on the periphery of the positioning hole.

[0011] Optionally, the cathode connection module includes a locking member and two connecting frames. The two connecting frames are oppositely arranged and are both slidably connected to the base. The two connecting frames are used to connect the cylindrical part by sliding in the direction of the cylindrical part. The locking member is connected to the two connecting frames to lock the two connecting frames connected to the cylindrical part.

[0012] Optionally, the connecting frame includes a connection frame and a semi-circular clamping ring. The bottom end of the connection frame is slidably connected to the base and is used for cathode connection. The semi-circular clamping ring can be attached to the cylindrical part by sliding the connection frame in the direction of the cylindrical part. The locking member is connected to the semi-circular clamping ring to lock the semi-circular clamping ring.

[0013] Optionally, the base is provided with a sliding groove, and the bottom end of the connection frame is slidably connected to the sliding groove.

[0014] Optionally, an insulating pad is provided at the bottom of the connection frame, and the insulating pad is slidably connected to the base.

[0015] Optionally, the base is provided with a locking bolt, and the locking bolt is threadedly connected to the base and is used to abut against the cylindrical part to lock the cylindrical part.

[0016] Compared with the prior art, the beneficial effects of a chromium plating device for the inner wall of a cylindrical part provided by the present invention include: the chromium plating device is provided with a base, a cathode connection module and an anode connection module. The base is provided with an installation groove, and the cylindrical part to be chromium plated can be installed on the base through the installation groove. The cathode connection module is slidably connected to the base and can be connected to the cylindrical part by sliding in the direction of the cylindrical part. The anode connection module is installed at the top end of the cylindrical part. The anode connection module is provided with a positioning hole. When chromium plating the inner wall of the cylindrical part, the cathode of the electroplating equipment is connected to the cathode connection module, and the anode rod is connected to the positioning hole. When the cathode and the anode are energized, chromium plating of the inner wall of the cylindrical part can be realized. Through the setting of the positioning hole on the anode connection module, the anode rod can be positioned so that the anode rod can be at the center of the cylindrical part, thus ensuring uniform chromium plating of the inner wall of the cylindrical part. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of a chromium plating device for the inner wall of a cylindrical part provided by an embodiment of the present invention.

[0018] Figure 2 is a top view of a chromium plating device for the inner wall of a cylindrical part provided by an embodiment of the present invention.

[0019] Figure 3 Is a sectional view taken along line A-A in Figure 2 Figure.

[0020] Among them, each reference numeral in the figure:

[0021] 10 - Base 11 - Installation groove 12 - Locking bolt

[0022] 13 - Slide groove 20 - Cathode connection module 21 - Connection frame

[0023] 30 - Anode connection module 31 - Positioning hole 32 - Positioning plate

[0024] 33 - Limit cover 10a - Cylindrical part 211 - Connection frame

[0025] 212 - Semi-circular clamping ring 213 - Insulating pad 321 - Air hole

[0026] 331 - Protection notch. Specific implementation mode

[0027] In order to make the purpose, technical solution and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0028] The embodiment of the present utility model provides a chromium plating device for the inner wall of a cylindrical part, which is used to chromium plate the inner wall of the cylindrical part 10a by connecting the cathode and anode of the electroplating equipment.

[0029] As Figures 1 - 3 shown, the chromium plating device of this embodiment includes a base 10, a cathode connection module 20 and an anode connection module 30. The base 10 is provided with an installation groove 11, and the installation groove 11 is used for installing the bottom end of the cylindrical part 10a. The cathode connection module 20 is slidably connected to the base 10 and can be slidably connected to the cylindrical part 10a by sliding in the direction of the cylindrical part 10a. The cathode connection module 20 is used for connecting the cathode, and the anode connection module 30 is used for being installed at the top end of the cylindrical part 10a. The anode connection module 30 is provided with a positioning hole 31, and the positioning hole 31 is for the anode rod to pass through so that the anode rod is at the center of the cylindrical part 10a.

[0030] Specifically, the chromium plating device is provided with a base 10, a cathode connection module 20 and an anode connection module 30. The base 10 is provided with a mounting groove 11. The cylindrical part 10a to be chromium plated can be installed on the base 10 through the mounting groove 11. The cathode connection module 20 is slidably connected to the base 10 and can be slidably connected to the cylindrical part 10a by sliding in the direction of the cylindrical part 10a. The anode connection module 30 is installed at the top end of the cylindrical part 10a. The anode connection module 30 is provided with a positioning hole 31. When chromium plating the inner wall of the cylindrical part 10a, the cathode of the electroplating equipment is connected to the cathode connection module 20, and the anode rod is connected to the positioning hole 31. When the cathode and the anode are energized, chromium plating of the inner wall of the cylindrical part 10a can be achieved. Through the setting of the positioning hole 31 on the anode connection module 30, the anode rod can be positioned, so that the anode rod can be at the center of the cylindrical part 10a, thus ensuring uniform chromium plating of the inner wall of the cylindrical part 10a.

[0031] In this embodiment, as Figures 1 - 2 shown, the base 10 is provided with a locking bolt 12. The locking bolt 12 is threadedly connected to the base 10 and is used to abut against the cylindrical part 10a to lock the cylindrical part 10a. Specifically, through the setting of the locking bolt 12, after the cylindrical part 10a is installed in the mounting groove 11, by tightening the locking bolt 12, the locking bolt 12 abuts against the cylindrical part 10a, thereby realizing the locking of the cylindrical part 10a.

[0032] In some embodiments, as Figures 1 - 3 shown, the cathode connection module 20 includes a locking member (not marked in the figure) and two sets of connecting frames 21. The two sets of connecting frames 21 are arranged oppositely and are both slidably connected to the base 10. The two sets of connecting frames 21 are used to slidably connect to the cylindrical part 10a by sliding in the direction of the cylindrical part 10a. The locking member is connected to the two sets of connecting frames 21 to lock the two sets of connecting frames 21 connected to the cylindrical part 10a. Specifically, the cathode connection module 20 can be connected to the cylindrical part 10a through the two sets of connecting frames 21. The locking member connects the two sets of connecting frames 21 to realize the locking of the two sets of connecting frames 21 connected to the cylindrical part 10a. Furthermore, the cathode of the electroplating equipment can realize stable power supply to the cylindrical part 10a by connecting the two sets of connecting frames 21.

[0033] In some embodiments, the locking member is a bolt.

[0034] In some embodiments, as Figures 1 - 2As shown, the connecting frame 21 includes a connecting frame 211 and a semicircular embracing ring 212. The bottom end of the connecting frame 211 is slidably connected to the base 10 and is used for cathode connection. The semicircular embracing ring 212 can fit the cylindrical part 10a by sliding the connecting frame 211 toward the cylindrical part 10a. The locking piece is connected to the semicircular embracing ring 212 to lock the semicircular embracing ring 212. Specifically, the connecting frame 211 can realize the sliding connection of the connecting frame 21 along the base 10 and can realize the cathode connection of the electroplating equipment. The semicircular embracing ring 212 of the two groups of connecting frames 21 can form an embrace around the cylindrical part 10a, thereby realizing a tight connection with the cylindrical part 10a. The locking piece can lock the semicircular embracing ring 212 that fits the cylindrical part 10a, thereby ensuring a stable connection between the connecting frame 21 and the cylindrical part 10a.

[0035] In some embodiments, Figure 1 and 3 As shown, the base 10 is provided with a supply slide groove 13, and the bottom end of the supply connecting frame 211 is slidably connected to the supply slide groove 13. Specifically, the supply slide groove 13 can realize the stable sliding of the supply connecting frame 211 along the base 10.

[0036] In some embodiments, Figure 1 and 3 As shown, an insulating pad 213 is provided at the bottom of the supply connecting frame 211, and the insulating pad 213 is slidably connected to the base 10. Specifically, the insulating pad 213 can insulate the base 10 from the supply connecting frame 211 while enabling the supply connecting frame 211 to slide along the base 10.

[0037] In some embodiments, Figure 1 and 3 As shown, the anode supply module 30 includes a positioning hole 31 and a limiting cover 33. The positioning hole 31 is used to be installed at the top of the cylindrical part 10a. The positioning hole 31 is set at the positioning hole 31, and the limiting cover 33 is covered on the positioning hole 31 to fix the positioning hole 31. Specifically, the positioning hole 31 can realize the positioning of the anode rod, and the limiting cover 33 can fix the positioning hole 31 by covering the positioning hole 31, thereby positioning the anode rod at the center of the cylindrical part 10a.

[0038] In some embodiments, Figures 1 - 3 As shown, the positioning hole 31 is further provided with a plurality of air holes 321, and each of the air holes 321 is provided on the peripheral side of the positioning hole 31. Specifically, the air holes 321 can be used for exhaust, thereby ensuring the quality of chrome plating.

[0039] In some embodiments, a protective notch 331 is provided on the side of the limiting cover 33, and the protective notch 331 extends to the end surface of the limiting cover 33. Specifically, the protective notch 331 can prevent the side of the limiting cover 33 from cracking.

[0040] In some embodiments, Figure 1And 3 As shown, the anode supply connection module 30 further includes two adjusting bolts, which are oppositely arranged and threadedly connected to the side of the limit cover 33. The adjusting bolts are used to axially move and abut against the cylindrical part 10a. Specifically, while the adjusting bolts lock the limit cover 33 by tightening the outer wall of the cylindrical part 10a, the distance between the cylindrical part and the side of the limit cover 33 can also be adjusted, so that the positioning hole 31 is at the center of the cylindrical part 10a, thereby ensuring the chromium plating quality of the cylindrical part 10a.

[0041] The specific embodiments of the present invention described above do not constitute a limitation on the protection scope of the present invention. Any other corresponding changes and deformations made according to the technical concept of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A chromium plating device for the inner wall of a cylindrical part, characterized in that, It includes a base, a cathode connection module and an anode connection module. The base is provided with a mounting groove for mounting the bottom end of a cylindrical part. The cathode connection module is slidably connected to the base and can be slidably connected to the cylindrical part in the direction towards the cylindrical part. The cathode connection module is used for connecting the cathode. The anode connection module is used to be installed at the top end of the cylindrical part. The anode connection module is provided with a positioning hole through which an anode rod passes so that the anode rod is at the center of the cylindrical part.

2. The inner wall chromium plating device for a cylindrical part according to claim 1, characterized in that, The anode connection module includes a positioning plate and a limiting cover. The positioning plate is used to be installed at the top end of the cylindrical part. The positioning hole is provided on the positioning plate. The limiting cover covers the positioning plate to fix the positioning plate.

3. The inner wall chromium plating device for a cylindrical part according to claim 2, characterized in that, A protective notch is provided on the side of the limiting cover, and the protective notch extends to the end face of the limiting cover.

4. The inner wall chromium plating device for a cylindrical part according to claim 2, characterized in that, The anode connection module further includes two adjusting bolts. The two adjusting bolts are oppositely arranged and are threadedly connected to the side of the limiting cover. The adjusting bolts are used to axially move and abut against the cylindrical part.

5. The inner wall chromium plating device for a cylindrical part according to claim 2, characterized in that, The positioning plate is further provided with a plurality of air holes, and each of the air holes is arranged on the periphery of the positioning hole.

6. An inner wall chromium plating device for a cylindrical part according to any one of claims 1-5, characterized in that, The cathode connection module includes a locking member and two sets of connecting frames. The two sets of connecting frames are oppositely arranged and are both slidably connected to the base. The two sets of connecting frames are used to be slidably connected to the cylindrical part in the direction towards the cylindrical part. The locking member is connected to the two sets of connecting frames to lock the two sets of connecting frames connected to the cylindrical part.

7. An inner wall chromium plating device for a cylindrical part according to claim 6, characterized in that, The connecting frame includes a connection frame and a semi-circular clamping ring. The bottom end of the connection frame is slidably connected to the base and is used for connecting the cathode. The semi-circular clamping ring can be slid along the connection frame in the direction towards the cylindrical part to fit the cylindrical part. The locking member is connected to the semi-circular clamping ring to lock the semi-circular clamping ring.

8. An inner wall chromium plating device for a cylindrical part according to claim 7, characterized in that, The base is provided with a supply chute, and the bottom end of the connection frame is slidably connected to the supply chute.

9. An inner wall chromium plating device for a cylindrical part according to claim 7, characterized in that, An insulating pad is provided at the bottom of the connection frame, and the insulating pad is slidably connected to the base.

10. A chromium plating device for the inner wall of a cylindrical part according to any one of claims 1-5, characterized in that, The base is provided with a locking bolt. The locking bolt is threadedly connected to the base and is used to abut against the cylindrical part to lock the cylindrical part.