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Traceless machining process for large arc surface of stainless steel vacuum water cup

A processing technology and stainless steel technology, which is applied in the field of non-marking processing technology of large circular arc surface of stainless steel vacuum water cup, can solve the problems of short molding time, affecting the use feeling, large deformation, etc., to improve the service life, wide application range and molding quality. Good results

Pending Publication Date: 2022-05-13
浙江安胜科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the existing preparation method, the processing of the large arc surface adopts the method of converting the arc into a broken line segment, and then using the mold and equipment for forming. This method is suitable for a single stainless steel plate, but for the cylindrical cup bottom structure It is not suitable, and the surface of the workpiece will have a prismatic structure after processing, which will affect the feel of use. The other is to directly use the bending machine to use the mold to perform the overall forming of the single-process compression mold. The forming operation time is shorter, but due to the forming time Short and large deformation will lead to the accumulation of internal stress in stainless steel is not easy to release, affecting the service life of stainless steel containers

Method used

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  • Traceless machining process for large arc surface of stainless steel vacuum water cup
  • Traceless machining process for large arc surface of stainless steel vacuum water cup
  • Traceless machining process for large arc surface of stainless steel vacuum water cup

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Preparation of nanocomposite fibers

[0040] Preparation of formylated microcrystalline cellulose: according to the solid-to-liquid ratio of 150g / L, weigh the microcrystalline cellulose, stir and disperse it in distilled water, add sodium periodate 0.9 times the mass of microcrystalline cellulose, and put it at 40°C Stir and react in the dark for 8 hours to obtain a suspension of aldylated microcrystalline cellulose;

[0041] Preparation of spinning solution: Measure tetrahydrofuran and N', N'-dimethylformamide respectively according to the volume ratio of 95:5, stir and mix evenly, then add EPDM rubber particles, heat to 60°C, keep stirring for 11 hours , add aldehyde-based microcrystalline cellulose suspension 0.12 times the mass of EPDM rubber, raise the temperature to 80°C, stir and mix at a speed of 300r / min for 2h, and cool naturally to room temperature to obtain the mass fraction of EPDM rubber It is 8% spinning dope.

[0042] Spinning: Inhale the spinning stoc...

Embodiment 2

[0054] Preparation of nanocomposite fibers

[0055] Preparation of modified chitosan

[0056] Preparation of aldylated microcrystalline cellulose: according to the solid-to-liquid ratio of 120g / L, weigh the microcrystalline cellulose, stir and disperse it in distilled water, add sodium periodate 0.9 times the mass of the microcrystalline cellulose, and place it at 40°C Stir and react in the dark for 10 hours to obtain a suspension of aldylated microcrystalline cellulose;

[0057] Preparation of spinning solution: Measure tetrahydrofuran and N', N'-dimethylformamide respectively according to the volume ratio of 95:5, stir and mix evenly, then add EPDM rubber particles, heat to 55°C, keep stirring for 12 hours , add aldehyde-based microcrystalline cellulose suspension of 0.1 times the mass of EPDM rubber, raise the temperature to 80°C, stir and mix at a speed of 400r / min for 2 hours, and naturally cool to room temperature to obtain the mass fraction of EPDM rubber It is 9% spi...

Embodiment 3

[0070] Preparation of nanocomposite fibers

[0071] Preparation of formylated microcrystalline cellulose: according to the solid-to-liquid ratio of 140g / L, weigh the microcrystalline cellulose, stir and disperse it in distilled water, add sodium periodate 0.9 times the mass of the microcrystalline cellulose, and place at 40°C Stir and react in the dark for 12 hours to obtain an aldylated microcrystalline cellulose suspension;

[0072] Preparation of spinning solution: measure tetrahydrofuran and N', N'-dimethylformamide respectively according to the volume ratio of 95:5, stir and mix evenly, then add EPDM rubber particles, heat to 60°C, keep stirring for 10h , add aldehyde-based microcrystalline cellulose suspension 0.11 times the mass of EPDM rubber, raise the temperature to 85°C, stir and mix at a speed of 500r / min for 1h, and cool naturally to room temperature to obtain the mass fraction of EPDM rubber It is 7% spinning dope.

[0073] Spinning: Inhale the spinning stock s...

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Abstract

The invention discloses a traceless machining process for a large arc surface of a stainless steel vacuum water cup, and relates to the technical field of stainless steel machining.The traceless machining process for the large arc surface of the stainless steel vacuum water cup specifically comprises the following steps that a stainless steel mother board is selected, and the stainless steel mother board is manufactured into a circular stainless steel board through a blanking machine; the stainless steel plate is placed in a mold and stretched to obtain a blank piece, and the opening end of the blank piece is subjected to laser edge cutting and opening flattening treatment; carrying out rotary forming on the blank piece subjected to the opening flattening treatment, and forming a connecting part at the opening end of the blank piece to obtain a crude product; and shaping the crude product in a shaping machine, and cleaning for later use after shaping is completed. According to the traceless machining technology for the large arc surface of the stainless steel vacuum water cup, the prepared large arc surface is smooth in surface, free of indentation, wide in application range and good in forming quality, stress of the machined arc surface can be effectively removed through destressing treatment, and the service life of a stainless steel container can be prolonged.

Description

technical field [0001] The invention relates to the technical field of stainless steel processing, in particular to a non-marking processing technology for the large arc surface of a stainless steel vacuum cup. Background technique [0002] Stainless steel vacuum cups generally include a cup body and a cup bottom. The bottom of the cup is mostly a cylindrical structure with one end sealed. During the production process, it is fixedly connected to the bottom of the cup body by welding or tight fit. In order to improve the comfort and safety of use The edge of the sealing end of the cup bottom usually needs to be processed to form a large arc surface. [0003] In the existing preparation method, the processing of the large arc surface adopts the method of converting the arc into a broken line segment, and then using the mold and equipment for forming. This method is suitable for a single stainless steel plate, but for the cylindrical cup bottom structure It is not suitable, a...

Claims

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Application Information

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IPC IPC(8): B21D51/18B21D35/00B23P15/00B29C55/28B29B9/06
CPCB21D51/18B21D35/002B23P15/00B29C55/28B29B9/06
Inventor 刘成钢李常松李敏洁
Owner 浙江安胜科技股份有限公司
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