Special-shaped coin, special-shaped manufacturing equipment and special-shaped coin manufacturing process

A special-shaped and equipment technology, applied in the field of special-shaped coins, can solve the problems of insufficient aesthetics of special-shaped coins, and achieve the effects of high production efficiency, large output and stable operation

Inactive Publication Date: 2016-02-24
NANJING BANKNOTE MINTING +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is: in order to solve the problem of insufficient aesthetics of special-shaped coins currently manufactured, the present invention provides a special-shaped coin, special-shaped coin manufacturing equipment and technology to solve the above problems

Method used

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  • Special-shaped coin, special-shaped manufacturing equipment and special-shaped coin manufacturing process
  • Special-shaped coin, special-shaped manufacturing equipment and special-shaped coin manufacturing process
  • Special-shaped coin, special-shaped manufacturing equipment and special-shaped coin manufacturing process

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Embodiment Construction

[0041] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0042] The hemming equipment for special-shaped coins of the present invention comprises a flat cake separating device, a flat cake positioning and conveying device and a hemming device,

[0043] Such as figure 1 As shown, the flat cake separating device includes a first driving device 1, a cake conveying turntable 2 driven by the first driving device 1 and rotating coaxially with the rotating shaft of the first driving device 1, and a cake storage bucket arranged above the cake conveying turntable 2 3. It is possible to transport the flat cake from the cake storage bucket 3 to the oscillating cake feeding port 4 in the cake conveying turntable 2, the cake co...

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Abstract

The present invention relates to a special-shaped coin, which has a polygon shape, and is manufactured from a solid-state metal material, wherein the tolerance of the special-shaped coin circumcircle diameter is + / -0.04 mm, the diameter difference is less than or equal to 0.06 mm, the surface of the special-shaped coin is circumferentially provided with a cycle of a projection part, the projection part is provided with an inner clear edge and an outer clear edge, the phase tolerance of the inner clear edge and the outer clear edge is + / -1 DEG, the edge side wall of the special-shaped coin is provided with a pattern, and the pattern is recessed pit. According to the present invention, the production efficiency is high, the pattern rolling speed is not less than 400 / min, and the stamping speed is not less than 450 / min.

Description

technical field [0001] The invention relates to a special-shaped coin, in particular to a special-shaped coin, a manufacturing process of the special-shaped coin, and a hemming equipment and process for the special-shaped coin. Background technique [0002] Special-shaped coins with patterns on the sides have appeared on the market today, and the patterns are formed by the die ring during the embossing process. In order to ensure that the coin can be released from the mold ring smoothly after imprinting (referred to as demoulding), the shape design of the pattern is limited, and the width of the front-end pattern along the direction of demoulding cannot be greater than the width of the rear end. In addition, none of these special-shaped coins have been processed through piping. If materials with insufficient plasticity are used, the edge metal of the special-shaped coins will not be easy to be full, which greatly reduces the aesthetics of the coins, and at the same time limi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A44C21/00B41K3/36B41M5/00B23P15/00
CPCA44C21/00
Inventor 邵继南檀世明唐辉张海峰张夕凤
Owner NANJING BANKNOTE MINTING
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