Title:
VALVE GATE SYSTEM
Document Type and Number:
Japanese Patent JP2021130249
Kind Code:
A
Abstract:
To provide a valve gate system having a simple structure and causing no enlargement of a mold device.SOLUTION: A valve gate system 30 comprises a gate member 31 formed with a molding material passage 32 for circulating a molten resin molding material and a valve pin 37 for opening/closing the downstream edge of the molding material passage 32. The valve gate system 30 comprises a servo motor 33, a cam operational shaft 34 having an engagement part 34a projecting axially outwards, connected to the rotary shaft 33a of the servo motor 33 and rotating around the shaft, a cam member 35 having a spiral cam groove 35a engaged with the engagement part 34a of the cam operational shaft 34 at the circumferential wall part, arranged in a state where a cylindrical shaft lies on the elongation of the central shaft of the valve pin 37, connected with the valve pin 37 and moving in a cylindrical shaft direction in accordance with the rotation of the cam operational shaft 34 and a housing 36 storing the cam operational shaft 34 and the cam member 35.SELECTED DRAWING: Figure 3
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Inventors:
INOUE SATORU
KAWAHARA KEIJI
OZUNO MASAMI
MORIMITSU SHIGEO
ENOKIDA SHINYA
KAWAHARA KEIJI
OZUNO MASAMI
MORIMITSU SHIGEO
ENOKIDA SHINYA
Application Number:
JP2020026852A
Publication Date:
September 09, 2021
Filing Date:
February 20, 2020
Export Citation:
Assignee:
SODICK CO LTD
International Classes:
B29C45/28; B29C33/02
Domestic Patent References:
| JP2005170029A | 2005-06-30 | |||
| JP2016198925A | 2016-12-01 | |||
| JPH1142683A | 1999-02-16 | |||
| JP2009190386A | 2009-08-27 | |||
| JP2017202649A | 2017-11-16 |
Attorney, Agent or Firm:
Yanagita Seiji
Hiroyuki Sakano
Hideaki Takahashi
Hiroyuki Sakano
Hideaki Takahashi