Title:
HIGH VACUUM DIE-CASTING MOLD
Document Type and Number:
WIPO Patent Application WO/2021/184977
Kind Code:
A1
Abstract:
A high vacuum die-casting mold (100), comprising a pressure chamber cavity (10), a spray head (20), a vacuum valve (60), a vacuum channel (70), a piston rod (80), a vacuum pump (91), a connecting pipe (92), a die-casting fixed mold (30) and a die-casting movable mold (40) cooperating with the die-casting fixed mold for mold opening and closing. A forming cavity (50) is formed by the die-casting movable mold together with the die-casting fixed mold in an enclosed manner during mold closing, the pressure chamber cavity penetrates through the die-casting fixed mold and is provided with a pressure chamber channel (11) and a pouring port (12), the pouring port is located on a side wall of the pressure chamber channel, and the spray head is slidably fitted in the pressure chamber channel; the vacuum channel is provided at the die-casting movable mold, a first end thereof is in communication with the forming cavity, and a second end is in communication with a first end of the connecting pipe, a second end of the connecting pipe sequentially assembles the vacuum valve and the vacuum pump in series, and the piston rod penetrates through the die-casting movable mold and selectively opens or closes the first end of the vacuum channel. The high vacuum die-casting mold can rapidly achieve vacuumizing of the forming cavity, has a good vacuumizing effect, greatly improves the internal quality of a product, and allows for heat treatment of a casting.
Inventors:
CAO HANXUE (CN)
LI WEIRONG (CN)
WANG CHENGCHENG (CN)
YOU GUOQIANG (CN)
CHEN XUEMIN (CN)
LONG SIYUAN (CN)
XU HAIZHANG (CN)
ZHU WEI (CN)
SUN LIJUAN (CN)
LI WEIRONG (CN)
WANG CHENGCHENG (CN)
YOU GUOQIANG (CN)
CHEN XUEMIN (CN)
LONG SIYUAN (CN)
XU HAIZHANG (CN)
ZHU WEI (CN)
SUN LIJUAN (CN)
Application Number:
PCT/CN2021/074282
Publication Date:
September 23, 2021
Filing Date:
January 29, 2021
Export Citation:
Assignee:
DONGGUAN EONTEC CO LTD (CN)
International Classes:
B22D17/14; B22D17/22; B22D17/32
Foreign References:
| CN111266550A | 2020-06-12 | |||
| CN1701878A | 2005-11-30 | |||
| CN102699309A | 2012-10-03 | |||
| CN1709613A | 2005-12-21 | |||
| CN1572393A | 2005-02-02 | |||
| JP2013128947A | 2013-07-04 | |||
| JP2008173680A | 2008-07-31 | |||
| US20050126740A1 | 2005-06-16 | |||
| JP2003285151A | 2003-10-07 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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