IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0816969
(2015-08-03)
|
등록번호 |
US-9566732
(2017-02-14)
|
우선권정보 |
JP-2014-158957 (2014-08-04); JP-2015-134442 (2015-07-03) |
발명자
/ 주소 |
- Shioiri, Kimiaki
- Murata, Atsushi
- Nishizawa, Tatsuhiko
- Yamaguchi, Isamu
|
출원인 / 주소 |
- NISSEI PLASTIC INDUSTRIAL CO., LTD.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
7 |
초록
▼
A mold-clamping mechanism in which top and bottom tie bars extend between a pressure-receiving platen and a fixed platen fixed to a bed, a movable platen is movably attached to the tie bars, a toggle link extends between the movable platen and the pressure-receiving platen, the movable platen is mov
A mold-clamping mechanism in which top and bottom tie bars extend between a pressure-receiving platen and a fixed platen fixed to a bed, a movable platen is movably attached to the tie bars, a toggle link extends between the movable platen and the pressure-receiving platen, the movable platen is moved toward the fixed platen by the toggle link, and a mold is clamped by the movable platen and the fixed platen. The pressure-receiving platen includes a bottom part surrounding a central cavity, and a ceiling part for joining respective top ends of left and right wall parts provided upright from both ends of the bottom part. An opening via which the cavity communicates with the outside is provided to the bottom part and the ceiling part.
대표청구항
▼
1. A mold-clamping mechanism in which top and bottom left and right tie bars span between a pressure-receiving platen and a fixed platen fixed to a bed, a movable platen is movably attached to the tie bars, a toggle link spans between the movable platen and the pressure-receiving platen, the movable
1. A mold-clamping mechanism in which top and bottom left and right tie bars span between a pressure-receiving platen and a fixed platen fixed to a bed, a movable platen is movably attached to the tie bars, a toggle link spans between the movable platen and the pressure-receiving platen, the movable platen is moved toward the fixed platen by the toggle link, and a mold is clamped by the movable platen and the fixed platen, wherein the pressure-receiving platen comprises a bottom part surrounding a central cavity, a left wall part and a right wall part provided upright from both ends of the bottom part, and a ceiling part for joining respective top ends of the left wall part and the right wall part,the bottom part includes a front frame part having link connecting stays that connect to the toggle link, a left frame part and a right frame part extending from both ends of the front frame part, and an inner frame part for joining respective distal ends of the left frame part and the right frame part, the bottom part thereby having a bottom opening via which the cavity communicates with the outside, andthe ceiling part includes the front frame part having link connecting stays that connect to the toggle link, the left frame part and the right frame part extending from both ends of the front frame part, and the inner frame part for joining respective distal ends of the left frame part and the right frame part, the ceiling part thereby having a top opening via which the cavity communicates with the outside. 2. The mold-clamping mechanism according to claim 1, wherein the inner frame part is wider at a center thereof than at both ends thereof. 3. A mold-clamping mechanism in which a movable platen is disposed above a fixed platen fixed to a bed, a pressure-receiving platen is disposed below the bed, tie bars span between the pressure-receiving platen and the movable platen, a toggle link spans between the bed and the pressure-receiving platen, and the movable platen is lowered by the toggle link, whereby a mold is clamped by the movable platen and the fixed platen, wherein the pressure-receiving platen comprises a first wall part surrounding a central cavity, a second wall part and a third wall part extending horizontally from both ends of the first wall part, and a fourth wall part for joining respective distal ends of the second wall part and the third wall part,the first wall part includes a top frame part having link connecting stays that connect to the toggle link, a left frame part and a right frame part extending downward from both ends of the top frame part, and a bottom frame part for joining respective bottom ends of the left frame part and the right frame part, the first wall part thereby having a through-opening via which the cavity communicates with the outside, andthe fourth wall part includes the top frame part having link connecting stays that connect to the toggle link, the left frame part and the right frame part extending from both ends of the top frame part, and the bottom frame part for joining respective bottom ends of the left frame part and the right frame part, the fourth wall part thereby having a through-opening via which the cavity communicates with the outside. 4. The mold-clamping mechanism according to claim 3, wherein the bottom frame part is wider at a center thereof than at both ends thereof.
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