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A kind of manufacturing device and method of anode copper ball for electroplating

A technology for anode copper balls and a manufacturing method, which is applied to the field of manufacturing devices for anode copper balls for electroplating, can solve the problems of poor production process adjustment, high maintenance cost of rolls, complicated roll manufacturing, etc., and achieves high production efficiency, low input cost, The effect of a short production process

Active Publication Date: 2016-09-07
江西江南新材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with the cold heading method, the skew rolling method has higher production efficiency, less production noise, and higher material utilization rate, but its roll manufacturing is complicated, its versatility is poor, and its production process adjustment is poor, and even equipment installation and adjustment require a long time. high maintenance cost
In addition, its production process includes multiple steps such as melting, casting, cutting, washing, rolling, sorting, washing, and drying, and the process is relatively long.

Method used

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  • A kind of manufacturing device and method of anode copper ball for electroplating
  • A kind of manufacturing device and method of anode copper ball for electroplating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] like figure 1 As shown, the device of the present invention includes a thermal insulation ladle system composed of a thermal insulation ladle 1, a stopper rod 2, and a gate 3, and a drip casting system composed of a casting cavity 4, a casting ladle 5, a drip hole 6, and an oscillator 7. And the cooling system that is made up of cooling tank 8, liquid paraffin 9. The stopper rod 2 can control the flow rate of the sprue 3 and can completely seal the sprue; in the casting cavity 4, the drip hole 6 is installed at the bottom of the casting ladle and placed on the oscillator 7 together; the casting cavity 4 It is installed and fixed above the cooling tank 8, and liquid paraffin 9 of a certain height is filled in the cooling tank 8, and the remaining space is filled with inert gas protection through the gas nozzle 10. When producing phosphor copper alloy balls with a specification of Φ10.5mm, the size of the drip hole 6 is designed to be Φ3.45mm, and the number of drip hole...

Embodiment 2

[0047]The difference between this embodiment and Example 1 is that when the phosphor copper alloy ball with a specification of Φ21mm is produced, the size of the drip hole 6 of the above-mentioned device is designed to be Φ8mm, the number is 2, and the frequency and amplitude of the control oscillator 7 are respectively 3500HZ and 50μm, the distance between the liquid surface of liquid paraffin 9 and the drip hole is 150mm, and the liquid level height of the copper liquid in the casting ladle 5 is controlled to be 80-100mm. When other processes and steps were the same as in Example 1, a phosphor-copper alloy standard ball of Φ21mm was produced. After testing, its products have high roundness, uniform composition, and production efficiency of more than 200 pieces / minute.

Embodiment 3

[0049] The difference between this embodiment and Example 1 is that when producing two kinds of phosphor copper alloy balls with specifications of Φ21mm and Φ16mm at the same time, the size of the drip hole 6 of the above-mentioned device is designed to be Φ8mm and Φ6.5mm, and the quantity is 1 each , the frequency and amplitude of the oscillator 7 are controlled to be 3300HZ and 45μm respectively, the distance between the liquid surface of the liquid paraffin 9 and the drip hole is 140mm, and the liquid level of the copper liquid in the casting ladle 5 is controlled to be 80-100mm. When other processes and steps were the same as in Example 1, two phosphor-copper alloy standard balls of Φ21mm and Φ16mm were produced simultaneously. After testing, the two kinds of copper ball products have high roundness and uniform composition, and the production efficiency of the two specifications of copper ball products exceeds 100 pieces per minute.

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Abstract

The invention provides a device and a method for manufacturing an electroplating anode copper ball. The method includes the steps of alloy melting, heat insulation, drip cast molding, taking out, cleaning, drying and the like. According to the method, used facilitates include a heat insulation casting ladle system, a drip system and a cooling system which are sequentially arranged from top to bottom, and the drip system is connected with the cooling system and sealed from the outside. The device and the method are high in production efficiency, convenient to operate, high in product quality and low in cost, and equipment is simple.

Description

Technical field: [0001] The invention relates to a manufacturing device and method of an anode copper ball for electroplating. Background technique: [0002] In the fields of printed circuit, hardware, decoration, etc., many parts need to be electroplated with copper, so copper is an anode product commonly used in the electroplating industry. Spherical, anode copper balls are copper anode products used in electroplating copper. In order to achieve other effects of electroplating copper, alloying elements are often added on the basis of pure copper to make alloy copper balls. For example, to prevent copper from dissolving prematurely in the electrolytic bath, phosphor copper alloy balls are made. According to its use characteristics, the anode copper ball has higher requirements on the alloy composition and higher requirements on the roundness of the shape. [0003] There are two main production methods for the current anode copper balls, one is the cold heading method show...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F9/08
Inventor 李明茂
Owner 江西江南新材料科技股份有限公司