A large ball head size chrome plating device

A ball head and size technology, applied in the direction of the electrode, can solve the problems that the ball head cannot be chrome-plated, and it is difficult to control the uniformity of the chromium layer, so as to achieve the effect of improving uniformity, uniform current distribution, and improving uniformity

Active Publication Date: 2015-08-12
WUHAN MARINE MACHINERY PLANT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the defects in the prior art that it is impossible to chrome-plate the ball head as a whole and it is difficult to control the uniformity of the chrome layer, and propose a large-scale ball head that can perform overall chrome plating on the ball head parts and finely control the uniformity of the chrome layer Dimensional chrome fixtures

Method used

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  • A large ball head size chrome plating device
  • A large ball head size chrome plating device
  • A large ball head size chrome plating device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0074] see Figure 1 to Figure 6 , a large ball head size chromium plating device, comprising a pictographic anode 1 and an anode fixing part 3, the pictographic anode 1 is fixedly connected to one end of the anode conductive plate 73 through the anode fixing part 3, and the other end of the anode conductive plate 73 is connected through a conductive copper row is connected with the power supply, and the pictographic anode 1 includes a plurality of anode bars 2, and the plurality of anode bars 2 form a spherical cage-like structure corresponding to the sphere to be plated 7, and the sphere to be plated 7 is located in the spherical cage inside the structure, and anode strip gaps 21 are formed between adjacent anode strips 2; the bottom ends of the anode strips 2 are evenly arranged along the same bottom circumference 23, and the top ends of the anode strips 2 are evenly arranged along the same top circumference 22 The anode strip 2 includes interconnected long arcs 24 and arc ...

Embodiment 2

[0093] The basic content of described embodiment 2 is the same as embodiment 1, and difference is:

[0094] see Figure 1 to Figure 6 , a large ball head size chrome-plated device:

[0095] The anode fixing part 3 includes a left anode fixing part 31 and a right anode fixing part 33, the shapes of the left anode fixing part 31 and the right anode fixing part 33 are consistent, and the left anode fixing part 31 and the right anode fixing part 33 cooperate to surround Form a cylindrical structure, the bottom of the cylindrical structure is fixedly connected to the top circumference 22; the left anode fixing part 31 is evenly provided with at least two left anode fixing holes 32, and the right anode fixing part 33 is evenly provided with At least two right anode fixing holes 34;

[0096] The chrome plating device also includes a clamp 4, and the clamp 4 includes a left clamp 5 and a right clamp 6;

[0097] The left clamp 5 includes a left clamp body 53, a first connecting port...

Embodiment 3

[0104] Embodiment 3 basic content is the same as embodiment 2, and its difference is:

[0105] see Figure 2 to Figure 8 , in a method of using the above-mentioned large ball head size chrome plating device:

[0106] The workpiece to be plated also includes a flange connecting rod 74 and a flange 75, the top of the flange connecting rod 74 is fixedly connected with the bottom of the sphere 7 to be plated, and the bottom of the flange connecting rod 74 is connected to the bottom of the flange 75. top vertical connection;

[0107] In the workpiece installation process: when the sphere to be plated 7 is located at the middle position inside the pictographic anode 1, the plane where the bottom circumference 23 is located coincides with the top surface of the flange 75; the flange connecting rod 74, the flange 75 adopts plastic film band to carry out insulation wrapping treatment.

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Abstract

The invention discloses a large-scale ball head size chromium plating device which comprises a conformal anode, a hoop and an anode fixing part. The conformal anode is fixedly connected with the hoop by the anode fixing part; the conformal anode comprises a plurality of anode straps; the anode straps are surrounded into a spherical cage structure corresponding to a ball body to be plated; an anode strap gap is formed between each two adjacent anode straps; the bottom ends of the anode straps are formed along the same bottom periphery; the top ends of the anode straps are formed along the same top periphery; and the top periphery is fixedly connected with the bottom of the anode fixing part. When the large-scale ball head size chromium plating device is in use, a using method of the large-scale ball head size chromium plating device comprises a chromium plating liquid preparing process, a workpiece installing process, a powered chromium plating process and a process of discharging out of a tank and disassembling a workpiece. According to the invention, not only can a ball head part be subjected to integral chromium plating, but also the thickness and the uniformity degree of a chromium layer can be finely controlled and the effect that a ball head does not need to be machined after being subjected to chromium plating is fulfilled.

Description

technical field [0001] The invention relates to an electroplating process, in particular to a chrome-plating device with a large ball head size, which is particularly suitable for high-precision chrome-plating of spherical parts. Background technique [0002] When the shape of the workpiece to be plated is a sphere, its radius of curvature is large, resulting in a large difference in the deposition rate of the chromium layer on the spherical arc surface, and it is difficult to meet the uniformity requirements of the thickness of the chrome plating layer on the spherical arc surface. As a result, no domestic manufacturer can produce large-scale high-precision chrome plating. Ball head parts. [0003] The invention patent with the Chinese patent number ZL200810197112.5 discloses a method for chrome-plating the spherical surface of a large-diameter spherical crown workpiece. In this method, in the positioning step of entering the groove, the arrangement or structure of the anod...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25D7/00C25D17/12
Inventor 张春晖张辉徐钢新石毅杨慧芹
Owner WUHAN MARINE MACHINERY PLANT
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