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Mold device for stainless steel product production

A technology of stainless steel and stainless steel plate, which is applied in the field of mold devices for the production of stainless steel products, can solve problems such as the influence of the use of hardware and the large upward warping defect of the hardware, and achieve the effect of good flatness

Pending Publication Date: 2021-08-17
湖北瑞佳不锈钢有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the edge of the punched hardware has a large upward warping defect, which has a great impact on the subsequent use of the hardware

Method used

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  • Mold device for stainless steel product production
  • Mold device for stainless steel product production
  • Mold device for stainless steel product production

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Embodiment Construction

[0029] Unless otherwise defined, the technical terms or scientific terms used in the present invention shall have the usual meanings understood by those skilled in the art to which the present invention belongs. "First", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Comprising" or "comprising" and similar words mean that the elements or items appearing before the word include the elements or items listed after the word and their equivalents, without excluding other elements or items. Words such as "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "Down", "Left", "Right" and so on are only used to indicate the relative positional relationship. When the absolute position of the described object changes, the relative positional relationship may also change acc...

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Abstract

The invention discloses a mold device for stainless steel product production. The mold device comprises a bottom mold and a punch, wherein a vertically through hole is formed in the bottom mold; the punch is arranged above the bottom mold and is coaxial with the hole; the punch is provided with an upward annular limiting surface, and sleeved with a pre-tightening sleeve and a pre-tightening spring used for pushing the pre-tightening sleeve downwards so that the lower end face of the pre-tightening sleeve can be lower than the lower end face of the punch; and when the punch moves downwards by means of hydraulic power or pneumatic power, the pre-tightening sleeve firstly pre-presses the portion, on the periphery of the hole, of a stainless steel plate. According to the mold device for the stainless steel product production, by additionally arranging the pre-tightening sleeve and the pre-tightening spring, the large upward warping of the edge of a hardware can be effectively prevented, and the obtained hardware is good in flatness.

Description

technical field [0001] The invention relates to a mold device for producing stainless steel products. Background technique [0002] In the prior art, a punch is usually used to punch a plate-shaped stainless steel product to obtain a hardware piece of a desired shape. Specifically, the punch press includes a bottom die and a punch. There is a vertical hole on the bottom mold. The stainless steel plate is placed on the bottom mold. The punch is located above the bottom mold and corresponds to the hole. The cross-sectional shape of the punch is the same as that of the hole. The punch is driven by hydraulic power or Pneumatic power moves rapidly downwards to impact the stainless steel plate, which in turn achieves the desired shape of the hardware. [0003] However, the edge of the punched out hardware has a large upward warping defect, which has a great impact on the subsequent use of the hardware. Contents of the invention [0004] In view of the above-mentioned technica...

Claims

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Application Information

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IPC IPC(8): B21D28/34F16F15/067B21D43/08
CPCB21D28/34F16F15/067B21D43/08
Inventor 陈宏望柯红兵柯宏军闫林锋冯建军
Owner 湖北瑞佳不锈钢有限公司