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Manufacture process of bowl-shaped noble metal products and mold for manufacture process

A production process and precious metal technology, which is applied to the production process of precious metal products, can solve the problems of low production cost, inability to produce bowl-shaped precious metal products, etc., and achieve high production efficiency, full pattern, high ornamental value and collection value. Effect

Active Publication Date: 2013-05-29
SHENYANG MINT CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problems existing in the above-mentioned prior art, the present invention provides a manufacturing process of a bowl-shaped precious metal product through a large number of experiments and assiduous research, which solves the problem that the bowl-shaped precious metal product cannot be produced in the prior art; Moreover, the manufacturing process of the present invention can ensure product quality, high pass rate, and low production cost

Method used

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  • Manufacture process of bowl-shaped noble metal products and mold for manufacture process
  • Manufacture process of bowl-shaped noble metal products and mold for manufacture process
  • Manufacture process of bowl-shaped noble metal products and mold for manufacture process

Examples

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Embodiment

[0036] The present invention takes the preparation of a 50g silver bowl as an example, the diameter of the bowl mouth is 60mm, the diameter of the small surface of the bowl bottom is 22.64mm, and the bowl depth is 15.23mm. First, select the shape parameters of the designed bowl and use the three-dimensional relief design software to design and generate the surface shape parameters of the convex and concave surface of the bowl. In order to make the shape of the bowl closer to the real bowl, the surface of the bowl is composed of three arcs. Swept tangentially. In order to make the bowl mold fit better during the stamping process, the product pattern is fully pressed. The thickness of the blank cake is calculated to be 1.5mm. Therefore, when designing the bowl lateral surface radius, the curved surfaces of the punch and the concave mold The radius is designed to be different values. For example, the radius of the curved surface tangent to the bowl bottom of the punch is 22.55mm, ...

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Abstract

The invention relates to a manufacture process of bowl-shaped noble metal products and a mold for the manufacture process. The manufacture method comprises the following technical steps that: the bowl-shaped appearance of the products is designed in a computer; embossed pattern files are generated and added on the bottom surface and the side surface of a bowl mold according to design parameters and curve surface parameters of matched female and male molds of molds, and the embossed pattern curing is carried out by a curving knife; gold and silver blank cake of gold and silver bowls is processed through punching or linear cutting according to the design parameters; pressing printing is carried out in a mold sleeve during the blank cake pre-pressing, and an open type pressing printing mode is adopted during the printing, so the bowl edge freely and outwards extends for forming the natural and attractive edge shape effect. The gold and silver bowl souvenir products manufactured by the method have the advantages that the quality is stable, the appearance is elegant, the qualification rate is high, and simultaneously, the manufacture process is also applicable to the production and themanufacture of other similar bowl-shaped noble metal souvenir products.

Description

Technical field [0001] The invention relates to a manufacturing process of a precious metal product, in particular to a manufacturing process of a bowl-shaped precious metal product and a mold used in the manufacturing process. In the field of coinage, the production of precious metal products with a deep arc like a bowl becomes a reality . Background technique [0002] The surface of the existing precious metal commemorative gifts is usually flat or gently curved, and the appearance is relatively simple. The preparation of its products is also in accordance with the conventional coinage manufacturing process, namely, mold making, blank cake making and direct one-time imprinting and forming. The "bowl"-shaped precious metal commemorative gifts have a large curve and arc, which brings great difficulties to the design and production of product embossments, mold engraving, grinding, electroplating, blank cake processing and embossing forming. As a result, if there is any problem i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C43/00B44C5/00B44B5/02
Inventor 顾军刘志刚秦孝祥付兴吴伟康今哲刘鸿鹏张焕文张吉刚王祯杰王永刚张殊慧朱杰刘金龙常智费良汉
Owner SHENYANG MINT CO LTD
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