Seamless vacuum cup and machining method thereof

A processing method and technology for vacuum cups, which are applied to drinking utensils and other directions, can solve the problems of difficulty in welding, difficulty in fitting and positioning of concentricity, etc., and achieve the effect of ensuring the thickness of the mouth, convenient and efficient welding, and improving the efficiency of the fitting.

Inactive Publication Date: 2016-11-23
ZHEJIANG HAERS VACUUM CONTAINERS CO LTD
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  • Abstract
  • Description
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Problems solved by technology

For vacuum cups with this structure, the welding seam is "hidden" inside the cup mouth, which is easy for buyers to see when checking the quality of the liner. Th

Method used

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  • Seamless vacuum cup and machining method thereof
  • Seamless vacuum cup and machining method thereof
  • Seamless vacuum cup and machining method thereof

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[0027] In order to make the technical solution of the present invention clearer, the following is attached Figure 1 to 4 , The present invention will be described in detail. It should be understood that the specific implementations described in this specification are only for explaining the present invention and not for limiting the protection scope of the present invention.

[0028] The present invention is a processing method of a seamless vacuum cup. The seamless vacuum cup includes a cup body 1 and a cup lid 2. The cup body 1 includes a stainless steel outer shell and a stainless steel inner container 12, and includes the following steps:

[0029] Flanging step: bending the upper end of the mouth of the stainless steel inner liner 12 to the outside to form a folded part;

[0030] Sleeve step: put the stainless steel inner bladder 12 into the stainless steel shell, so that the outer side of the hanging edge 121 of the folded part is sleeved on the upper end 111 of the mouth of t...

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Abstract

The invention discloses a seamless vacuum cup and a machining method thereof. The machining method comprises the following steps: bending the upper end of an opening part of a stainless steel liner to the outer side to form a folding part; feeding the stainless steel liner into a stainless steel shell and sleeving the outer side of a drooping edge of the folding part on the upper end part of the opening part of the stainless steel shell; fusing and welding the end of the upper end part and a bent corner of the upper end of the drooping edge to form a whole body by argon-arc welding; and a polishing treatment step: carrying out polishing treatment on the outer surface of a welding part. The seamless vacuum cup machined by the method comprises a cup body and a cup cover, wherein the folding part which is bent toward the outer side is formed at the upper end part of the opening part of the stainless steel liner and the drooping edge of the folding part sleeves the upper end part of the opening part of the stainless steel shell; and the end of the upper end part and the bent corner of the upper end of the drooping edge are welded through the argon-arc welding to form an integrated structure. With the adoption of the seamless vacuum cup and the machining method thereof, the technical difficulty of seamless connection of the shell and the liner of the vacuum cup is solved, the sealing property and the whole intensity of the vacuum cup are improved, and the welding is more convenient and efficient.

Description

technical field [0001] The invention relates to a stainless steel vacuum cup, in particular to a double-layer stainless steel seamless vacuum cup and a processing method for the seamless vacuum cup. Background technique [0002] The cup body of the existing stainless steel vacuum cup is mainly a double-layer sealed structure composed of an outer shell (also called an outer container) and an inner container (also called an inner container). The sealed space between the outer shell and the inner container is vacuumized or vacuumized. Tailless vacuum treatment creates vacuum insulation. Among them, how to realize the seamless connection between the shell and the liner is a technical problem that this field wants to solve but has not been realized. [0003] The Chinese invention patent with the patent number of 201310225866.8 discloses a "vacuum double-layer container and its manufacturing method". A vacuum insulation layer is provided between them, and an inwardly bent folded...

Claims

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Application Information

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IPC IPC(8): A47G19/22
CPCA47G19/2205
Inventor 吕强
Owner ZHEJIANG HAERS VACUUM CONTAINERS CO LTD
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