Method for producing iron drop and structure thereof

A manufacturing method and technology of iron bars, applied in fishing accessories, fishing, applications, etc., can solve the problems of environmental protection, toxicity, lead price and high processing cost, etc.

Inactive Publication Date: 2009-05-20
黄文峰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. The body 11 of the plumb bob 1 is completely made of lead. When the plumb bob 1 is placed in the river or sea, it is directly exposed and immersed in the river or sea. Therefore, the surface of the plumb bob 1 and the through hole 12 are internal Under the impact of water flow, it is very easy to produce rust and pollute the water source, and the through hole 12 is easy to accumulate rust and produce toxicity, which is not environmentally friendly
[0005] 2. The lead weight 1 is integrally manufactured by casting and processing lead blocks, but the price of lead and its processing cost are very expensive, which is a big burden for manufacturers and consumers
[0006] 3. The appearance of the known plumb bob 1 has no variety of color changes, which is relatively monotonous

Method used

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  • Method for producing iron drop and structure thereof
  • Method for producing iron drop and structure thereof
  • Method for producing iron drop and structure thereof

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Embodiment Construction

[0031] In order to make it easier to understand the manufacturing method and structure of the present invention, as well as the effects that the present invention can achieve, it is described as follows in conjunction with the drawings:

[0032] First of all, please refer to Figures 2 and 3, which are a flow chart and a schematic diagram of the manufacturing steps of the iron pendant 2 of the present invention,

[0033] Step 1: cutting the iron bar 21 into a prototype body 22 of appropriate length;

[0034] Step 2: Punch a through hole 23 in the center of the prototype body 22 by stamping;

[0035] Step 3: compression molding 24 of the prototype body 22;

[0036] Step 4: Coating a plastic 25 in the through hole 23 and the two ends of the body 22, the material of the plastic 25 can be PE;

[0037] Step five: set a decorative layer 26 on the surface of the prototype body 22, wherein the decorative layer 26 is a galvanized layer 261 and a baking varnish layer 262, and the bakin...

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PUM

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Abstract

The invention discloses a method for manufacturing an iron sinker and a structure thereof. The method comprises the following steps: firstly, an iron bar is cut into a rudiment with an appropriate length, the center of the rudiment is perforating by punching to finish the compression molding, then plastic is coated in an inner hole, then the surface of the plastic is electroplated with a decorative layer, a protective layer is then arranged outside the decorative layer, and finally a finished product is finished; and the iron sinker which has different colors and can avoid rust corrosion can be produced through the steps, further the marketability of the iron sinker can be improved, and efficacies of cost reduction and environmental protection are achieved.

Description

【Technical field】 [0001] The invention relates to a manufacturing method and structure of an iron drop, in particular to a forming method and structure made of iron bars and processed on the surface. 【Background technique】 [0002] In general fishing, a plumb weight is placed at the bottom of the fishing net to make the fishing net drapable and sink into the river bottom or sea. Known plumb bobs 1, see figure 1 As shown, the body 11 of the plumb weight 1 is formed by melting and recasting lead metal into the desired shape, and a through hole 12 is set in the center, through which the body 11 of the plumb weight 1 can be placed on the bottom of the fishing net. edge. [0003] However, known plumb bobs 1 often have the following deficiencies: [0004] 1. The body 11 of the plumb bob 1 is completely made of lead. When the plumb bob 1 is placed in the river or sea, it is directly exposed and immersed in the river or sea. Therefore, the surface of the plumb bob 1 and the throu...

Claims

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Application Information

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IPC IPC(8): A01K75/06A01K95/00
Inventor 黄文峰
Owner 黄文峰
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