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发明公开
CN107598197A 一种具有循环冷却功能的新型内冷车刀 无效 - 撤回

一种具有循环冷却功能的新型内冷车刀
摘要：
本发明属于机械加工刀具领域，并具体公开了一种具有循环冷却功能的新型内冷车刀，包括刀垫、刀片和刀杆，刀垫上设有冷却液槽，其中部设有凸台，凸台的高度与冷却液槽的槽壁高度相同；冷却液槽内设置有第一通孔和第二通孔，刀垫内设有第一流道和第二流道；刀片设置在刀垫上方，并与冷却液槽的槽壁及凸台抵接，其有压板压紧；刀杆上安装有第一水管接头和第二水管接头，刀杆内设置有连通第一流道和第一水管接头的第三流道以及连通第二流道和第二水管接头的第四流道。本发明具有冷却效果好，成本低，刀具寿命长，已加工表面质量好的优点，适用于难加工材料的预热车削加工。
摘要（英）：

The invention belongs to the field of machining cutters, and in particular, discloses a novel internal cooling turning tool with a circular cooling function. The novel internal cooling turning tool comprises a tool pad, a blade and a tool holder; a cooling liquid groove is formed in the tool pad, and a boss is arranged at the middle part; the boss is as high as the groove wall of the cooling liquid groove; a first through hole and a second through hole are formed in the cooling liquid groove; a first runner and a second runner are formed in the tool pad; the blade is arranged above the tool pad, butts against the groove wall of the cooling liquid groove and the boss, and is pressed by a pressing plate; a first water pipe joint and a second water pipe joint are mounted on the tool holder; and a third runner, communicating with the first runner and the first water pipe joint, and a fourth runner, communicating with the second runner and the second water pipe joint, are arranged in the tool holder. The novel internal cooling turning tool has the advantages of good cooling effect, low cost, long life and high machined surface quality, and is suitable for preheating and turning of difficult-machined materials.

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