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Method for manufacturing spinning pot

A manufacturing method and technology of spinning pots, which are applied in the field of kitchen utensils and can solve the problems of complex processing technology, high cost, and inability to make pots with thick bottoms and mouths.

Inactive Publication Date: 2009-09-16
ZHEJIANG AISHIDA ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Now there is a gravity casting method on the market to make a pot with a set shape, but its processing technology is complicated and the cost is high
The punching (oil) pressure stretching method is to directly stretch the aluminum plate of the set specification into a pot blank. Compared with gravity casting, injection die casting and other methods, it saves the use of aluminum alloy materials. Therefore, most Manufacturers basically adopt punching (oil) pressure stretching forming method, but the thickness of the bottom and side wall of the pot processed by punching (oil) pressure stretching forming method is equal, and it is impossible to make the bottom and mouth of the pot thick and the side wall thin pots, and the existing pots obtained by stretching are all single-layer pots

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Production steps of the present invention are as follows successively:

[0012] (1) Stretching: Stretch an aluminum plate or aluminum alloy plate in a 200T-500T punching (oil) press into a pan-shaped pan blank with uniform thickness;

[0013] (2) Re-beating: place an iron sheet on the outer bottom surface of the pot blank, preheat (400°C-600°C) before compounding, and then form it with high pressure (10T-2500T) Pan blanks with multiple negatives;

[0014] (3) Spinning: the pan blank obtained in step (2) is placed on the spinning mold, and the pan bottom and the mouth of the pot are thick and the side wall of the pot body is thin through the spinning machine;

[0015] (4) Scraper or sanding: the pot blank obtained in step (3) is placed on the tire, and processed by scraping or sanding;

[0016] (5) Surface treatment: After sand blasting the inner surface of the pan blank obtained in step (4), spray treatment (such as: high-temperature paint or ceramics, etc.) on the in...

Embodiment 2

[0018] Production steps of the present invention are as follows successively:

[0019] (1) Re-hitting: put an iron sheet on the upper surface of an aluminum plate or aluminum alloy plate, preheat before compounding together, and then compound into a firmly bonded composite metal sheet through high-pressure compounding;

[0020] (2) Stretching: processing the aluminum plate or aluminum alloy plate in the composite metal sheet material obtained in step (1) through a punching (oil) press to obtain a double-bottomed pan blank;

[0021] (3) Spinning: put the double-bottomed pot blank obtained in step (2) on the spinning mold, and process it through a spinning machine to obtain a pot with a thick pot bottom and a pot mouth, and a thin pot body side wall Embryo;

[0022] (4) Scraper or sanding: the pot blank obtained in step (3) is placed on the tire, and processed by scraping or sanding;

[0023] (5) Surface treatment: After sand blasting the inner surface of the pan blank obtaine...

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PUM

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Abstract

The invention discloses a method for manufacturing a spinning pot. At present, a cookware with pot bottom and pot head being thick and lateral wall thereof being thin can not be obtained through the deep stamping (hydraulic) and drawing moulding process and the cookware obtained through the process is a single-layer pot. The method has the following steps: 1) spinning: placing a workpiece on a spinning mould, manufacturing a cookware blank with pot bottom and pot head being thick and lateral wall thereof being thin through processing of a spinning machine; 2) scraping and sanding: placing the cookware blank obtained in step 1 on a clamping fixture and carrying out scarping and sanding processing; 3) surface processing: carrying out inner surface blowing sand on the cookware blank obtained in step 2 first and then carrying out spraying treatment on the inner and outer surface thereof or first carrying out inner and outer surface blowing sand and then carrying out hard oxidation treatment on the cookware blank obtained in step 2; and repeating sanding before spinning. In the invention, a double bottom cookware with pot bottom and pot head being thick and lateral wall thereof being thin is manufactured, repeated sanding facilitates a double bottom sheet to be firmly combined with the pot.

Description

technical field [0001] The invention relates to kitchen utensils, in particular to a manufacturing method of a spinning pot. Background technique [0002] At present, most of the pots used for cooking food are made of stainless steel or aluminum alloy, and the pots made of aluminum alloy have the characteristics of light weight and low manufacturing cost, so the pots appearing on the market are basically made of aluminum alloy materials . Existing gravity casting method makes the pot with preset shape on the market now, but its processing technology is complicated, and cost is high. The punching (oil) pressure stretching method is to directly stretch the aluminum plate of the set specification into a pot blank. Compared with gravity casting, injection die casting and other methods, it saves the use of aluminum alloy materials. Therefore, most Manufacturers basically adopt punching (oil) pressure stretching forming method, but the thickness of the bottom and side wall of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00B23K20/00B21D22/02B21D22/20B21D22/14
Inventor 陈合林石建林安吉昌
Owner ZHEJIANG AISHIDA ELECTRIC CO LTD