JPS59174221U

JPS59174221U - vulcanization mold

Info

Publication number: JPS59174221U
Application number: JP6903383U
Authority: JP
Inventors: 和夫井上; 北川　光太郎; 上杉　邦広
Original assignee: 昭和ゴム株式会社
Priority date: 1983-05-09
Filing date: 1983-05-09
Publication date: 1984-11-21
Also published as: JPS633796Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図イは従来の下金型の断面図及び第１図口は同平面
図である。第２図は従来のプレス機態盤間において加圧
加硫中の金型の断面図、第３図は、−従来の金型により
、ラム加工初期に上下金型と成型品が真空作用により吸
着されている断面図、第４図は従来の金型及び成型品が
熱盤上に落下した状態を示す断面図である。第５図イ０
口は本考案に係る加硫金型の一実施例を示す下金型の平
面図及び断面図である。第６図は本考案に係る一実施例
を示す下金型部とコマの挿入状況を示す部分拡大図であ
る。第７図は頭部が傘状のコマ及び下金型の部分拡大図
である。第８図イ１口は頭部が傘状で足部の２ケ所にＶ
字型の切込み部を饅けたコマの側面図及び足部より見た
平面図である。第９図は本考案の加硫金型で熱盤開放時
に、成型品及び下金型がスムースに上金型から離れた状
態を示す断面図である。１：上金型、２：下金型、３：キャビティ、４：読手、
５ニブレス機上部熱盤、６：プレス機下部熱盤、７：未
加硫ゴム配合物、８：発泡成型品、９：空気導入用小孔
、１０：コマ、１１：空気導入用溝、１２：下金型クラ
ウン部、１３：凹陥部、１４：コマの傘状部、１５：裏
面、１６：Ｖ字型の切込み部、Ａ。Ｂ：真空部。７、　　　口１臣玩巌ルタ　　い−一第３図　　　　　　　。 −１第２図FIG. 1A is a sectional view of a conventional lower mold, and the opening in FIG. 1 is a plan view of the same. Figure 2 is a cross-sectional view of the mold during pressure vulcanization between the plates of a conventional press machine, and Figure 3 is a cross-sectional view of the mold during pressure vulcanization between the plates of a conventional press machine. FIG. 4 is a cross-sectional view showing a conventional mold and molded product falling onto a hot platen. Figure 5 I0
The opening is a plan view and a sectional view of a lower mold showing an embodiment of the vulcanization mold according to the present invention. FIG. 6 is a partially enlarged view showing the lower mold part and the state of insertion of the piece, showing one embodiment of the present invention. FIG. 7 is a partially enlarged view of the piece with an umbrella-shaped head and the lower mold. Figure 8 A1 The head is umbrella-shaped and there are Vs in two places on the feet.
They are a side view and a plan view of the top with a letter-shaped notch as seen from the foot. FIG. 9 is a sectional view showing a state in which the molded product and the lower mold are smoothly separated from the upper mold when the heating plate is opened in the vulcanization mold of the present invention. 1: Upper mold, 2: Lower mold, 3: Cavity, 4: Reader,
5: Upper heating plate of nibless machine, 6: Lower heating plate of press machine, 7: Unvulcanized rubber compound, 8: Foamed molded product, 9: Small hole for air introduction, 10: Top, 11: Groove for air introduction, 12 : Lower mold crown part, 13: Concave part, 14: Umbrella-shaped part of the piece, 15: Back surface, 16: V-shaped notch part, A. B: Vacuum section. 7. Mouth 1 I-1 Figure 3. -1 Figure 2

Claims

[Scope of utility model registration request]

(1) In mold vulcanization of foam using a compression molding press, a small hole for air introduction is provided in at least one place in the lower mold cavity, a piece is inserted into the hole, and the lower mold cavity is vulcanized. A vulcanization mold for molding a foam, characterized in that an air introduction groove connected to the hole is provided on the back side.

(2) The vulcanization mold for foam molding according to claim (1), wherein the top of the top is umbrella-shaped.

(3) The scope of the utility model registration claim (
Vulcanization mold for foam molding as described in item 1).

(4) Scope of utility model registration claim (1) characterized in that the small air introduction hole is located in a part of the corner of the lower mold cavity.
The vulcanization mold for foam molding described in .