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Thermal-shrinkage tube expanding mould

A heat-shrinkable tube and mold technology, which is applied in the field of heat-shrinkable tube expansion molds, can solve problems such as high manufacturing costs, limited expansion speed, and poor mold cooling effect, and achieve good cooling effect and stable expansion

Active Publication Date: 2007-09-05
CHANGYUAN GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the heat shrinkable tube expansion mold of the prior art, there is no cooling water in the place with the vacuum hole, and there is no vacuum hole in the place with the cooling water, the mold structure is complicated, and the manufacturing cost is expensive. The effect is not good, the expansion speed is limited, generally the expansion speed will not exceed 5 m / min

Method used

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  • Thermal-shrinkage tube expanding mould

Examples

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Embodiment Construction

[0012] In Fig. 1, there are two long cooling holes (9) parallel to the axis of the sizing pipe (3), both ends of the long cooling holes (9) are blocked with plugs (5), and the sizing pipe (3) There are cooling water rings (7) on both sides of the cooling water ring (7), a cooling water jacket (4) on the outside of the cooling water ring (7), a vacuum jacket (2) on the outside of the cooling water jacket (4), and two There are 5 rows of vacuum holes (10) between the two cooling water rings, cooling water outlet (6) on the left cooling water jacket (4), cooling water inlet (1) on the right cooling water jacket (4), vacuum Vacuum suction port (8) is arranged on cover (2).

[0013] The cooling water enters the right cooling water ring (7) from the cooling water inlet (1), reaches the left cooling water ring (7) through the cooling long hole (9), and flows out through the cooling water outlet (6). tube to cool. A closed space is formed between the vacuum jacket (2), the cooling w...

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Abstract

An expanding die for the thermally contracted pipe is composed of a sizing pipe with a longitudinal cooling hole through which the cooling water flows, a cooling water jacket, and a vacuum jacket. It has high expanding speed (10 m / min) and cooling effect.

Description

【Technical field】 [0001] The invention relates to the manufacture of heat-shrinkable tubes, in particular to the field of expansion molds for heat-shrinkable tubes. 【technical background】 [0002] In the heat shrinkable tube expansion mold of the prior art, there is no cooling water in the place with the vacuum hole, and there is no vacuum hole in the place with the cooling water, the mold structure is complicated, and the manufacturing cost is expensive. The effect is not good, and the expansion speed is limited. Generally, the expansion speed will not exceed 5 m / min. 【Content of invention】 [0003] The object of the present invention is to provide a heat shrinkable tube expansion mold, the cooling effect of the mold is very good, the expansion speed of the mold can reach more than 10 m / min, and the expansion is stable. [0004] The technical solution adopted by the present invention to solve the technical problem is: a heat shrinkable tube expansion mold, including a si...

Claims

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Application Information

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IPC IPC(8): B29C33/02B29C47/90B29C48/90
Inventor 赵成刚
Owner CHANGYUAN GRP
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