Title:
COMBINED MOLD CORE FOR SUPERCHARGED MULTICHANNEL PIPE DIVERGENT MOLD
Document Type and Number:
WIPO Patent Application WO/2017/049668
Kind Code:
A1
Abstract:
A combined mold core for a supercharged multichannel pipe divergent mold, which relates to the field of micro-bore-size multichannel pipe preparation. The combined mold core comprises a mold core (1), a lower mold (3), and a lower mold supporting plate (6). A lower mold through hole (4) is formed n the center of the lower mold (3). The outer contour of the lower mold supporting plate (6) is same as the shape and the size of the lower mold through hole (4), and the thickness of the lower mold supporting plate (6) is smaller than that of the lower mold (3), and the lower mold supporting plate (6) is located inside the lower mold through hole (4). Multiple upper mold core needles (2) are mounted at the bottom of the mold core (1), and multiple lower mold core needles (5) matching the upper mold core needles (2) are mounted on the top of the lower mold supporting plate (6). Two transverse sliding grooves (10) are symmetrically formed in the inner wall of the lower mold (3). Springs (8) and boss sliding blocks (7) connected to the springs (8) are transversely fixed in the sliding grooves (10). Each boss sliding block (7) comprises a boss (701) and a base (702). Supporting grooves (11) matching the front ends of the bosses (701) are formed in the lower supporting plate (6). The lower supporting plate (6) is supported inside the lower mold through hole (4) by means of the bosses (701). The front ends of the bosses (701) shrink into the sliding grooves (10) and can be fixed in the sliding grooves (10). The extrusion force in extrusion molding is improved The mold filling efficiency and the mold filling capability during extrusion forming are improved, thereby improving the forming quality of a product.
Inventors:
WANG YUN (CN)
YANG XIAMING (CN)
DU JINXING (CN)
ZHAO KANGMEI (CN)
XU ZHENYING (CN)
BAI YUN (CN)
REN NAIFEI (CN)
LU HAIJIAN (CN)
WANG CUNTANG (CN)
REN XUDONG (CN)
YANG XIAMING (CN)
DU JINXING (CN)
ZHAO KANGMEI (CN)
XU ZHENYING (CN)
BAI YUN (CN)
REN NAIFEI (CN)
LU HAIJIAN (CN)
WANG CUNTANG (CN)
REN XUDONG (CN)
Application Number:
PCT/CN2015/091591
Publication Date:
March 30, 2017
Filing Date:
October 10, 2015
Export Citation:
Assignee:
UNIV JIANGSU (CN)
International Classes:
B21C25/02
Domestic Patent References:
| WO2008073473A1 | 2008-06-19 |
Foreign References:
| JP2003205310A | 2003-07-22 | |||
| US5342189A | 1994-08-30 | |||
| CN203900144U | 2014-10-29 | |||
| CN103273186A | 2013-09-04 | |||
| CN103706653A | 2014-04-09 | |||
| CN202570806U | 2012-12-05 | |||
| CN102581055A | 2012-07-18 |
Attorney, Agent or Firm:
JW IP LAW FIRM (CN)
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