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1. 发明专利

JPS59166319A Indirect extruding equipment of metallic billet 失效
标题翻译：金属柱的间接挤压设备
公开(公告)号：JPS59166319A
公开(公告)日：1984-09-19
申请号：JP3866984
申请日：1984-03-02
申请人： Yoshida Kogyo Kk
发明人： NAGAI YOSHITAKA , KAGOURA TETSUROU , SATOMURA MITSUMICHI , NAGAHORA JIYUNICHI , MATSUO YOUJI , ARASE MAKOTO , KAJIKI MINORU
IPC分类号： B21C26/00 , B21C35/06
CPC分类号： B21C35/06
摘要： PURPOSE:To obtain a titled device that cleans the inner wall and eliminates cleaning process by providing a projected edge having elastic restoring force on the outer periphery of a die block and contracting it when extruding and bringing it close to the inner wall of a container when returning in indirect extrusion of a metallic billet. CONSTITUTION:An umbrella-shaped projected edge 4 having elastic restoring force is provided on the outer periphery of a die block 3. When indirectly extruding a billet B in the container 1, the projected edge 4 contracts and forms an outer layer (a) of the billet in the pipe. When returning, the projected edge 4 is opened and brought close to the inner wall of the container 1 and cleans the inner wall face. Accordingly, the succeeding billet B can be inserted to continue indirect extrusion.
摘要翻译：目的：获得清洁内壁的标题装置，并通过在模具的外周边提供具有弹性恢复力的突出边缘，并在挤出时将其收缩并使其靠近容器的内壁而消除清洁过程，返回间接挤压金属坯料。构成：具有弹性恢复力的伞形突出边缘4设置在模具3的外周上。当间歇地将坯料B挤压在容器1中时，突出边缘4收缩并形成外部层（a）钢管中的钢管。返回时，突出的边缘4打开并靠近容器1的内壁并清洁内壁面。因此，后续的坯料B可以插入以继续间接挤出。

2. 发明专利

JPS60227917A MANUFACTURE OF BILLET FOR EXTRUDING SECTION 失效
公开(公告)号：JPS60227917A
公开(公告)日：1985-11-13
申请号：JP8196784
申请日：1984-04-25
申请人： YOSHIDA KOGYO KK
发明人： KAGOURA TETSUROU , SATOMURA MITSUMICHI , NAGAI YOSHITAKA
IPC分类号： B21C33/00 , B21C23/00
摘要： PURPOSE:To obtain a specified length billet excellent in quality with high work efficiency by measuring an end material ingot when cutting a long-sized ingot, cutting a short-sized billet of necessary length from the next billet, and welding both the short length billets. CONSTITUTION:A long-sized ingot 1 is shifted by a conveyor 4, stopped at a fixed position by a stopper 5, cut to a specified length billet 7 of length L by a cutting machine 6, and thereafter, formed to an extruding section. An end material ingot 2 is detected by a detector 8, the length (m) of the end material ingot 2 is measured by sending its signal to an ingot detector 9, and the length L-(m) of a short-sized ingot which is joined to said ingot and forms a specified length billet is calculated. Subsequently, the stopper 5 is moved by the length (m), the next ingot 1 is moved, and a short-sized ingot 10 of the length L-(m) is cut. Both the short-sized ingots 2, 10 are butted and each end face is welded by a welding device 11, and a specified length ingot is obtained.

3. 发明专利

JPS6040615A INDIRECT EXTRUDING DEVICE OF METALLIC BILLET 失效
公开(公告)号：JPS6040615A
公开(公告)日：1985-03-04
申请号：JP3867084
申请日：1984-03-02
申请人： YOSHIDA KOGYO KK
发明人： NAGAI YOSHITAKA , KAGOURA TETSUROU , SATOMURA MITSUMICHI , NAGAHORA JIYUNICHI , MATSUO YOUJI , ARASE MAKOTO , KAJIKI MINORU
IPC分类号： B21C26/00 , B21C35/06
摘要： PURPOSE:To leave exactly impurities on the inside wall of a container, and to obtain an extruded section by constituting so that the outside diameter of the tip part of a die block is smaller than the inside diameter of a billet loading hole of the container. CONSTITUTION:A stem 2 is extruded without installing a clean-out ring 4, and a section is extruded through a die block 3. The outside diameter of the tip part of the die block 3 is made smaller than the inside diameter of a billet loading hole of a container 1, and also the billet loading hole is expanded a little by an extruding pressure. Accordingly, a clearance is generated between the die block 3 and the inside wall of the container 1, and a billet skin part (a) is left in said clearance. Also, before loading the next billet B, a projecting edge part is formed by combining the clean-out ring 4 in the inside of a stepped part of the die block 3. The billet skin part (a) adhering to the inside wall surface of the container 1 is scraped and removed by this projecting edge part.

4. 发明专利

JPS6171122A Indirect extrusion equipment of metal billet 失效
标题翻译：金属柱的间接挤压设备
公开(公告)号：JPS6171122A
公开(公告)日：1986-04-12
申请号：JP17939685
申请日：1985-11-21
申请人： Yoshida Kogyo Kk
发明人： NAGAI YOSHITAKA , KAGOURA TETSUROU , SATOMURA MITSUMICHI , NAGAHORA JIYUNICHI , MATSUO YOJI , ARASE MAKOTO , KAJIKI MINORU
IPC分类号： B21C35/06 , B21C23/21 , B21C35/04
CPC分类号： B21C35/04 , B21C23/218
摘要： PURPOSE:To improve the efficiencies in extrusion forming as well as obtaining the extruded material of good quality by leaving a billet skin part on the inner wall face of a container at the extrusion forming time. CONSTITUTION:A clearance is caused between a die block 3 and the inner wall of a container 1 due to the projecting edge part of a clean-out ring 5 being under the condition of less than the same diameter as the outer diameter of a die block 3 without the function of a clean-out pressure device 4 at the extrusion forming time, and the skin part a of a billet B is left on the inner wall of the container 1. When the extrusion is finished and the next billet B is charged, the clean-out ring pressure device 4 which is on a stem 2 is moved by operating a cylinder 6. Then with raising the clean-out ring 5 and approaching the projecting edge part of the ring 5 and the inner wall of the container 1 the billet skin part a is removed with scraping by the projecting edge of the ring 5 due to the relative movement to the container 1.
摘要翻译：目的：提高挤出成型的效率，并通过在挤出成型时间将容器的内壁面上留下钢坯表皮部分来获得高质量的挤压材料。构成：由于清洁环5的突出边缘部分处于与模具块的外径相同的直径的条件下，在模具块3和容器1的内壁之间产生间隙 3，在挤压成型时没有清洁压力装置4的功能，坯料B的皮肤部分a留在容器1的内壁上。当挤出完成并且下一个坯料B被充电时通过操作气缸6使位于杆2上的清理环压装置4移动。然后，通过提升清洁环5并且接近环5的突出边缘部分和容器1的内壁由于相对于容器1的移动，钢坯表皮部分a被环5的突出边缘刮擦而被去除。

5. 发明专利

JPS5797818A MANUFACTURE OF EXTRUDED SECTION MATERIAL 失效
公开(公告)号：JPS5797818A
公开(公告)日：1982-06-17
申请号：JP17464180
申请日：1980-12-12
申请人： YOSHIDA KOGYO KK
发明人： NAGAI YOSHITAKA , KAGOURA TETSUROU , SATOMURA MITSUMICHI , MEGAHORA JIYUNICHI , MATSUO YOUJI , ARASE MAKOTO , KAJIKI MINORU
IPC分类号： B29C37/00 , B21C35/02 , B21C35/04 , B29B7/00 , B29C45/00 , B29C47/00 , B29C47/54 , B29C51/00
摘要： PURPOSE:To improve productivity by extruding while pulling near the stop mark of an extruded section material with a clamping mechanism provided with a cutting device and thereby cutting the section material during extrusion. CONSTITUTION:A billet 3 in a container 2 is extruded by a stem 1 and formed to a section material 4. At this time, extrusion forming is made while pulling the tip of the section holding it by a self-trveling clamping mechanism 5 provided with a cutting device 6. When the billet 3 in the container 2 is extruded completely, extrusion is stopped and next billet 3 is charged. Meantime, the clamping mechanism 5 provided with the cutting mechanism 6 returns near the extrusion port and start the next extrusion. The extruded section 4 is carried by a runout table 7. When a stop mark S appears on the surface of the section 4, the clamping mechanism 5 is actuated to clamp near the stop mark. Then, the section 4 is pulled and cut during extrusion by the cutting device 6. Cut section 4 is transferred to a straightening device by quick sending of the runout table.

6. 发明专利

JPS5794421A METHOD AND DEVICE FOR INDIRECT EXTRUSION OF METALLIC BILLET 失效
公开(公告)号：JPS5794421A
公开(公告)日：1982-06-11
申请号：JP17024280
申请日：1980-12-04
申请人： YOSHIDA KOGYO KK
发明人： NAGAI YOSHITAKA , KAGOURA TETSUROU , SATOMURA MITSUMICHI , NAGAHORA JIYUNICHI , MATSUO YOUJI , ARASE MAKOTO , KAJIKI MINORU
IPC分类号： B21C23/21 , B21C35/04 , B21C35/06
摘要： PURPOSE:To improve the rate of operation of the indirect extrusion of a billet, by raking out a residual billet skin part on the internal wall of a container by utilizing the return of a die block when loading the billet into the container. CONSTITUTION:For the indirect extrusion of a metallic billet B, clearance is provided between a die block 3 and the wall surface of the billet loading hole 6 of the internal wall of a container 1, and a billet skin part (a) is left on this wall surface. After the extrusion is completed, when the container 1 is extracted and the billet B is loaded into the billet loading hole 6, the billet skin part (a) left on the internal wall of the container 1 is raked out to a platen 4 side with a projecting ridge part projected at the external circumference of the die block 3. At the same time, a removing device 7 is brought into contact with the rear surface of the container 1 and the raked-off billet skin part (a) is removed out of the device. After the billet B is loaded, a ram 5 is brought into close contact with the container 1 and a next extruding process is started.

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