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Pipe sizing sleeve

A technology for sizing sleeves and pipes, applied in the field of pipe sizing sleeves, can solve the problems affecting the appearance quality and production efficiency of pipes, insufficient cooling, and high manufacturing costs, and achieve a simple and reasonable structure, low traction power loss, and good thermal conductivity. Effect

Active Publication Date: 2016-03-09
SHANGHAI JINHU EXTRUSION EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional sizing casing blanks are often not cooled sufficiently and uniformly, which seriously affects the appearance quality and production efficiency of the pipe
There are many unreasonable points in the existing sizing sleeve structure design and cooling system on the market, resulting in poor cooling effect, slow sizing speed, high manufacturing cost, etc.

Method used

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  • Pipe sizing sleeve

Examples

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Effect test

Embodiment

[0024] Such as figure 1 As shown, a pipe sizing sleeve includes a copper pipe 5 , a first water storage ring 4 , a second water storage ring 2 and a water ring cover 1 . The side wall of the copper pipe 5 is evenly provided with 32 rectangular through holes 51, and these through holes 51 are spread all over the side wall of the copper pipe 5. When the sizing sleeve is in use, the copper pipe 5 extends into the evacuated water tank. The pipes that need to be sized are located in the copper pipe 5 . Since the outer side of the copper tube is in a vacuum state, the through hole 51 provided on the side wall acts on the tube, so that the tube is firmly adsorbed on the inner wall of the copper tube 5 .

[0025] One end of the first water storage ring 4 is connected to the copper tube 5, and its inner diameter is consistent with the inner diameter of the copper tube 5, forming a coaxial cylindrical inner cavity with the copper tube 5. The inner wall of the first water storage ring 4...

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Abstract

The invention relates to a tubular product sizing sleeve. The tubular product sizing sleeve comprises a copper tube, a first water storage ring, a second water storage ring and a water ring cover, wherein a plurality of through holes are formed in the side wall of the copper tube; one end of the first water storage ring is connected to the copper tube; the inner diameter of the first water storage ring is consistent with the inner diameter of the copper tube, and the first water storage ring and the copper tube form a coaxial cylindrical inner cavity; a cooling groove is formed in the inner side wall of the first water storage ring; the second water storage ring is arranged at the outer side of the first water storage ring; the inner wall of the second water storage ring and the outer wall of the first water storage ring form a water storage cavity; a first water inlet and a second water inlet are formed in the side wall of the second water storage ring; the first water inlet is communicated with the water storage cavity; the water ring cover is arranged at the end surface part of the first water storage ring and the second water storage ring, and is communicated with the second water inlet; the water ring cover forms an annular water membrane at the end surface part of the first water storage ring and the second water storage ring. Compared with the prior art, the tubular product sizing sleeve provided by the invention has the advantages of rapid sizing speed, good cooling effect and the like.

Description

technical field [0001] The invention relates to a pipe calibrating sleeve, in particular to a pipe calibrating sleeve used for vacuum calibrating. Background technique [0002] At present, vacuum sizing sleeves are mostly used in the production of plastic pipes. The sizing sleeves sold on the market are generally copper sleeves with a relatively simple structure. After the tube embryo enters the sizing device, it is cooled by spraying or soaking in a vacuum box. Traditional sizing casing blanks are often not cooled sufficiently and uniformly, which seriously affects the appearance quality and production efficiency of the pipe. There are many unreasonable points in the structural design and cooling system of the existing sizing sleeves on the market, resulting in poor cooling effect, slow sizing speed, high manufacturing cost and so on. Contents of the invention [0003] The object of the present invention is to provide a pipe sizing sleeve with fast sizing speed and good ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C47/90B29C48/90
Inventor 徐桂生何春雷
Owner SHANGHAI JINHU EXTRUSION EQUIP
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