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Manufacturing process of double-layer special-shaped flat kettle

A production process and special-shaped technology, which is applied in the production process of double-layer special-shaped flat pots, can solve the problems of low yield rate and easy leakage, etc., and achieve the effects of improving yield rate, improving accuracy, and facilitating welding

Active Publication Date: 2019-12-10
ZHEJIANG FEIJIAN IND & TRADE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the defects of low yield and easy leakage in the prior art, the present invention provides a new manufacturing process for double-layer special-shaped flat pots

Method used

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  • Manufacturing process of double-layer special-shaped flat kettle
  • Manufacturing process of double-layer special-shaped flat kettle
  • Manufacturing process of double-layer special-shaped flat kettle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] A manufacturing process of a double-layer special-shaped flat pot, comprising the following steps:

[0048] (a) Take an upper liner 11, the upper part of the upper liner 11 is provided with an inner liner mouth 112, and the bottom of the upper liner 11 is provided with an upper convex edge 113, take the inner liner 12, and the lower liner 12 top is provided with lower flange 121, the width of described upper flange 113, described lower flange 121 is 1.0mm, and described upper flange 113 cooperates with described lower flange 121 to form welding edge 13, described The top of the mouth 112 of the inner tank is provided with a mouth welding flange 111;

[0049] (b) Take a liner spot welding fixture 2, place the upper liner 11 and the lower liner 12 in the liner spot welding fixture 2 for positioning, and perform spot welding on the welding edge 13 Preliminarily fix the upper inner container 11 and the lower inner container 12, take out the upper inner container 11 and the...

Embodiment 2

[0073] In the step (a), take an upper liner 11, the upper part of the upper liner 11 is provided with an inner liner mouth 112, and the bottom of the upper liner 11 is provided with an upper convex edge 113, take the inner liner 12, The top of the lower liner 12 is provided with a lower flange 121, the width of the upper flange 113 and the lower flange 121 is 1.5 mm, and the upper flange 113 cooperates with the lower flange 121 to form a welding Edge 13, the top of the mouth 112 of the liner is provided with a mouth welding flange 111;

[0074] In the step (f), push the mouth 112 of the liner to move toward the inside of the outer casing 3 until the distance between the outer edge 111 of the welding flange of the mouth and the outer edge of the mouth 33 of the outer shell is equal to the length Stop at D, the length D is 1.5 mm.

[0075] Other implementations are the same as in Example 1.

Embodiment 3

[0077] In the step (a), take an upper liner 11, the upper part of the upper liner 11 is provided with an inner liner mouth 112, and the bottom of the upper liner 11 is provided with an upper convex edge 113, take the inner liner 12, The top of the lower liner 12 is provided with a lower flange 121, the width of the upper flange 113 and the lower flange 121 is 1.2mm, and the upper flange 113 cooperates with the lower flange 121 to form a welding Edge 13, the top of the mouth 112 of the liner is provided with a mouth welding flange 111;

[0078] In the step (f), push the mouth 112 of the liner to move toward the inside of the outer casing 3 until the distance between the outer edge of the welding flange 111 of the mouth and the outer edge of the mouth 33 of the outer shell is the length Stop at D, the length D is 1.2mm;

[0079] Other implementations are the same as in Example 1.

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Abstract

The invention discloses a manufacturing process of a double-layer special-shaped flat kettle. The manufacturing process of the double-layer special-shaped flat kettle comprises the following steps: taking an upper inner container and a lower inner container, placing the upper inner container and the lower inner container into an inner container spot welding clamp to perform spot welding, and hermetically welding to form an inner container body; and taking a left shell and a right shell, putting the left shell, the inner container body and the right shell into a shell spot welding clamp to perform positioning spot welding, initially fixing the inner container body and the shell body to form a kettle body, putting the kettle body into the shell welding clamp, hermetically welding the shell body, pushing an inner container mouth part to move towards the internal part of the shell body until the distance between a mouth part welding flange outer edge on the upper inner container and a shell mouth part outer edge is length D, cutting off the part, of which the distance exceeding the mouth part welding flange outer edge is length D, of the shell mouth part, and hermetically welding the contact position of the mouth part welding flange and the shell mouth part after cutting. The finished product rate of the double-layer special-shaped kettles is increased, and the manufactured double-layer special-shaped kettle is not liable to leak.

Description

technical field [0001] The invention relates to a manufacturing process of a pot, in particular to a manufacturing process of a double-layer special-shaped flat pot. Background technique [0002] Most of the existing kettles use some regular shapes as the shape of the kettle body. The shape of the kettle body that is most used in the market is cylindrical. The body of this shape includes the wall and the bottom surface. The manufacturing process is relatively simple. The metal tube is placed in the stamping die, and it is continuously stretched by the stamping die to form the wall of the pot body, and then the bottom surface of the pot body is directly welded to the wall surface by welding process to form a sealed pot body. However, with the development of society, the traditional standard-shaped kettles cannot meet the various needs of people in daily life, so it is necessary to provide kettles with different shapes. However, the shape of special-shaped pots manufactured b...

Claims

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Application Information

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IPC IPC(8): B23K26/70B23K26/21B23K26/24B23K37/04
CPCB23K26/24B23K37/04B23K37/0443B23K26/21B23K26/70B23K26/702
Inventor 杨道海梁伟臣王志杰夏飞剑
Owner ZHEJIANG FEIJIAN IND & TRADE
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