Manufacturing method of sheet metal shell with circular arc fluted edge meeting spherical apex

A technology of arc and shell, applied in the field of factory sheet metal processing

Active Publication Date: 2019-08-20
华璟智能装备(湖州)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, no one has made three larger circular arc edges intersecting the apex of the ball through the sheet metal process.

Method used

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  • Manufacturing method of sheet metal shell with circular arc fluted edge meeting spherical apex
  • Manufacturing method of sheet metal shell with circular arc fluted edge meeting spherical apex
  • Manufacturing method of sheet metal shell with circular arc fluted edge meeting spherical apex

Examples

Experimental program
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Effect test

Embodiment

[0055] Example: see Figure 1 to Figure 14 .

[0056] A method for manufacturing a vertex of a circular-arc corrugated edge meeting a sphere of a sheet metal shell, taking as an example the processing of three circular-arc corrugated edges meeting the vertex of a sphere with a thickness T of 1.5 millimeters and a radius of arc corrugated edges of R = 20 mm instructions, including the following steps:

[0057] 1) On the cut rectangular main board 1 with a thickness of T = 1.5 mm, determine and draw the vertical bending center line 1 101 and bending center line 2 102 according to the size of the finished part, using a stylus. The point where the bending center line 1 101 and the bending center line 2 102 intersect is the positioning point 109, and the bending center line 1 101 and the bending center line 2 102 divide the blank of the main board 1 into four parts, which are respectively the fixing part 110 and the bending part 120 1. The second bending part 130 and the cut-off ...

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Abstract

The invention belongs to the technical field of sheet metal processing in factories and relates to a method for manufacturing the vertex of a circular arc and edge intersection sphere of a sheet metalshell. The method comprises the steps that after cutting, a small hole is firstly drilled and positioned, a cutting part is cut off, a star hole is punched out, corners containing three wedge-shapedinternal teeth are cut off, a first bending part is bent by 90 degrees along a first bending center line, a second bending part is bent by 90 degrees along a second bending center line, wedge-shaped internal teeth are knocked into a spherical shape on a three-sided anvil, a spherical liner and an arc surface liner are spot-welded inside a main board, an arc surface patch is spot-welded to the outer side of the arc surface liner, the joints of the adjacent edges of the outer sphere defined by the wedge-shaped internal teeth, the arc surface patch and the main board are burnt-in by oxyacetyleneflames, and the joints are polished and formed by a polishing machine after being cooled. The shell manufactured by the method is smooth, beautiful, safe, free of scratching hands, not capable of hanging other clothes or rope-shaped articles easily and the like, and the transition connection of planes, round edges and the sphere vertex is natural without obvious seams.

Description

technical field [0001] The invention belongs to the technical field of sheet metal processing in factories, and relates to a method for manufacturing a sheet metal machine shell, in particular to a method for manufacturing a sheet metal shell where circular arc edges meet a spherical apex. Background technique [0002] General machinery and equipment need to be equipped with shells. Small equipment uses relatively thin steel plates, which are made into shell shapes through blanking, bending, spot welding and other sheet metal processes, and then assembled on the machinery and equipment after surface treatment. Most of the outer casings are straight and straight, and the arc radius produced by ordinary bending machines is also very small, generally about two millimeters. For example, if the expanding machine used in the photo studio uses a right-angle straight edge and it is used indoors, it looks dull. If your arm or body accidentally touches the straight edge or the apex du...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00
Inventor 不公告发明人
Owner 华璟智能装备(湖州)有限公司
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