US 11,883,980 B2
Molding unit, molding machine, and molding method
Hiroyuki Miyazaki, Nagoya (JP); and Kimikazu Kaneto, Nagoya (JP)
Assigned to SINTOKOGIO, LTD., Nagoya (JP)
Filed by SINTOKOGIO, LTD., Nagoya (JP)
Filed on Apr. 1, 2022, as Appl. No. 17/711,323.
Claims priority of application No. 2021-065705 (JP), filed on Apr. 8, 2021.
Prior Publication US 2022/0324137 A1, Oct. 13, 2022
Int. Cl. B22C 9/02 (2006.01); B22C 15/28 (2006.01); B28B 7/00 (2006.01); B28B 3/08 (2006.01)
CPC B28B 7/0097 (2013.01) [B22C 9/02 (2013.01); B28B 3/086 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A molding unit comprising:
an upper flask;
a lower flask configured to connect to the upper flask;
a flask guide member to which the upper flask and the lower flask are connected in a movable manner, the flask guide member guiding the upper flask and the lower flask;
a first squeeze member and a second squeeze guide member disposed in such a manner as to sandwich the upper and lower flasks as the upper flask and the lower flask connect with each other, the first squeeze member and the second squeeze guide member each capable of entering the upper and lower flasks;
a squeeze cylinder disposed to be movable relative to the upper and lower flasks, and including a rod having an end part fixed to the first squeeze member and a cylinder body extending and contracting the rod; and
a squeeze guide member configured to fix relative positions of the second squeeze guide member and the cylinder body, wherein
the flask guide member is a hollow rod member, and
the squeeze guide member is a rod member disposed in a movable manner inside the flask guide member.
 
9. A molding method using a molding unit,
the molding unit including
an upper flask,
a lower flask configured to connect to the upper flask,
a flask guide member to which the upper flask and the lower flask are connected in a movable manner, the flask guide member guiding the upper flask and the lower flask,
a first squeeze member and a second squeeze member disposed in such a manner as to sandwich the upper and lower flasks as the upper flask and the lower flask connect with each other, the first squeeze member and the second squeeze guide member each capable of entering the upper and lower flasks,
a squeeze cylinder disposed to be movable relative to the upper and lower flasks, and including a rod having an end part fixed to the first squeeze member and a cylinder body extending and contracting the rod, and
a squeeze guide member configured to fix relative positions of the second squeeze guide member and the cylinder body,
the flask guide member being a hollow rod member, and
the squeeze guide member being a rod member disposed in a movable manner inside the flask guide member, the molding method comprising:
fixing the squeeze guide member to the cylinder body, and
extending the rod to perform squeezing by the first squeeze member and the second squeeze member.