Title:
PLASTIC PIPE FLARING DIE
Document Type and Number:
WIPO Patent Application WO/2022/099630
Kind Code:
A1
Abstract:
Disclosed in the present utility model is a plastic pipe flaring die, comprising a die body, a spindle, guide rails, slider bases, vertebral sleeves, large sliders, small sliders, springs, and push rods. The spindle is coaxially arranged in the die body, the spindle is sleeved with the slider bases and the vertebral sleeves, the vertebral sleeves are connected to the vertebral tops of the slider bases in the same direction, four dovetail-shaped grooves are symmetrically arranged on the conical surfaces of the slider bases, the large sliders are disposed in the dovetail-shaped grooves, the small sliders are disposed on the four conical surfaces of the slider bases, the large sliders and the small sliders are arranged at intervals, pin holes are formed in one ends of the large sliders, the large sliders are movably connected into the die body by means of pin shafts, the springs are also provided between the large sliders and an inner cavity of the die body, and the push rods are connected to the vertebral bottom surfaces of the slider bases. The present utility model is reasonable in design, stable in performance, capable of improving the overall rigidity and bending resistance of the spindle and long in service life.
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Inventors:
WANG QIYU (CN)
Application Number:
PCT/CN2020/128759
Publication Date:
May 19, 2022
Filing Date:
November 13, 2020
Export Citation:
Assignee:
YANCHENG RUITONG PLASTIC CO LTD (CN)
International Classes:
B29C57/04
Foreign References:
| CN210026134U | 2020-02-07 | |||
| CN109278278A | 2019-01-29 | |||
| CN205853354U | 2017-01-04 | |||
| CN201272027Y | 2009-07-15 | |||
| CN2144052Y | 1993-10-20 | |||
| GB892543A | 1962-03-28 |
Other References:
SUN BING , SUN YEBIN , ZHANG JIAHUAN: "Improved Design of Flaring Mould for Small-sized PVC Rigid Pipe", CHINA SOUTHERN AGRICULTURAL MACHINERY, 15 March 2018 (2018-03-15), pages 20 - 21, XP055930973, ISSN: 1672-3872
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