Device for cutting metal plate

A technology for cutting devices and metal plates, which is applied to metal sawing equipment, sawing devices, metal processing equipment, etc., can solve problems such as time-consuming and cost-consuming, unsatisfactory shape of metal plates, and difficulty in completely removing cutting agglomerates, etc., to achieve Improved cut surface quality, cost and time savings

Inactive Publication Date: 2015-06-24
POHANG IRON & STEEL CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, when "cutting lumps" exist in the cut metal plate, it is determined that the shape of the metal plate is not ideal. Not only that, when the metal plate is later welded or obtained for special purposes such as ships, steel pipes or structures During processing, there is a hidden danger of poor shape and structure of the final product
In order to solve such a problem, it may be considered to perform a secondary processing process for removing the cut surface of the metal plate formed with "cutting lumps", but this not only consumes time and cost, but also has the disadvantage that even through such secondary processing It is also difficult to completely remove the problem of "cutting and agglomeration" in the process

Method used

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  • Device for cutting metal plate
  • Device for cutting metal plate
  • Device for cutting metal plate

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Embodiment Construction

[0046] The purpose, specific advantages and novel features of the present invention will become more apparent through the following description and examples in connection with the accompanying drawings. Note that, in this specification, when assigning reference numerals to constituent elements in the respective drawings, if the same constituent elements are shown in different drawings, the same numerals are assigned as much as possible. Moreover, in the process of describing the present invention, if it is considered that the specific description of related known technologies may cause unnecessary confusion to the gist of the present invention, the detailed description will be omitted.

[0047] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

[0048] figure 1 is a perspective view of a sheet metal cutting device 100a according to an embodiment of the present invention, figure 2 for figure 1 A schematic cross-sec...

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Abstract

The present invention relates to a device for cutting a metal plate which comprises: a support part where a metal plate is located on an upper surface; a frame part supported by the support part; and a cutting part movable along the frame part. The cutting part includes a saw blade part rotated to cut the metal plate, and a guide part forming grooves on the metal plate and guiding the saw blade part to be moved along the grooves. The device for cutting a metal plate has no occurrence of burr on a cut surface of the metal plate, and does not require a secondary process.

Description

technical field [0001] The invention relates to a sheet metal cutting device. Background technique [0002] Gas torches have traditionally been used when cutting sheet metal, especially thick sheets. At this time, in the case of cutting the metal plate with a gas torch, the metal plate heated by the gas torch will undergo an oxidation reaction with oxygen, and under the action of the heat of the oxidation reaction, a molten metal portion will be formed at the heated part, and by The molten metal part flows downward due to gravity, and a gap is formed between the metal plates, thereby cutting the metal plates. [0003] In this case, the molten metal flowing downward condenses on the lower portion of the cut surface and the lower surface and edge portion of the metal plate to form a site called “cut lump”. Such a phenomenon occurs not only in gas torch cutting, but also in plasma cutting, laser cutting, or Brown gas (Brown Gas) cutting, which is a cutting that utilizes a gap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23D45/00B23D47/00
CPCB23D45/021B23D47/02
Inventor 文昌晧李圣珍崔刚赫南龙镐林丞昊申健金秉辰金弘基金英贤
Owner POHANG IRON & STEEL CO LTD
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