IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0601605
(1996-02-14)
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발명자
/ 주소 |
- Chen Wu-Hsiung (P.O. Box 82-144 Taipei TWX)
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인용정보 |
피인용 횟수 :
11 인용 특허 :
7 |
초록
▼
An aluminum extruding machine which includes four guide rods connected between two opposite upright blocks above the machine base, a fixed die holder, a material carrying barrel moved on the guide rods relative to the die holder to carry molten aluminum, a push member with a tubular plunger moved al
An aluminum extruding machine which includes four guide rods connected between two opposite upright blocks above the machine base, a fixed die holder, a material carrying barrel moved on the guide rods relative to the die holder to carry molten aluminum, a push member with a tubular plunger moved along the guide rods to extrude molten aluminum out of the die holder, a center rod moved by a cylinder through the material carrying barrel into the center of the die holder to define an annular cavity within the die holder for the passing of extruded molten aluminum, and a cutter assembly driven by a cylinder to cut off extruded aluminum tube.
대표청구항
▼
An aluminum extruding machine of the type comprising a machine base, an upright front block and an upright rear block raised from said machine base at two opposite ends, four guide rods symmetrically connected between said upright front block and said upright rear block, a die holder fixedly secured
An aluminum extruding machine of the type comprising a machine base, an upright front block and an upright rear block raised from said machine base at two opposite ends, four guide rods symmetrically connected between said upright front block and said upright rear block, a die holder fixedly secured to said upright front block at an inner side, a material carrying barrel moved along said guide rods relative to said die holder to carry molten aluminum, a push member moved along said guide rods relative to said material carrying barrel and having a tubular plunger forced through said material carrying barrel into said die holder to extrude molten aluminum out of said die holder, first reciprocating means controlled to move said material carrying barrel along said guide rods, second reciprocating means controlled to move said push member along said guide rods, a center rod moved into said die holder to define an annular cavity within said die holder for permitting molten aluminum to be extruded out of said die holder by said plunger, third reciprocating means controlled to move said center rod into said die holder, and a cutter assembly controlled to cut off extruded aluminum tube from said die holder, wherein: said cutter assembly comprises a cylinder block having a mounting frame at a back side thereof fixedly secured to said upright front block, a longitudinal front opening at a front side thereof, two longitudinal rails bilaterally disposed within said longitudinal front opening, and a circular top opening, a sliding block moved along the longitudinal rails of said cylindrical block, a cylinder having a piston rod inserted through the circular top opening of said cylindrical block and fixedly connected to said sliding block at the top, and a cutter fixedly secured to said sliding block at the bottom; two sliding tables are longitudinally located on said machine base at two opposite sides between said upright front block and said upright rear block to guide the movement of said material carrying barrel and said push member; said material carrying barrel comprises four projecting blocks equiangularly spaced around the periphery of said barrel, four bearing blocks respectively and fixedly mounted in the projecting blocks of said material carrying barrel and respectively sleeved onto said guide rods, two sliding legs downwardly outwardly extending from two of the bearing blocks of said material carrying barrel and slidably supported on said sliding tables; said push member comprises four projecting blocks equiangularly spaced around the periphery of said push member, four bearing blocks respectively and fixedly mounted in the projecting blocks of said push member and respectively sleeved onto said guide rods, two sliding legs downwardly outwardly extending from two of the bearing blocks of said push member and slidably supported on said sliding tables, and two projecting portions at two opposite sides respectively fastened to said second reciprocating means; said tubular plunger has a copper tube mounted on the inside; said center rod is inserted through said copper tube and connected to said third reciprocating means through a connecting rod and moved out of said tubular plunger into said die holder by said third reciprocating means, said center rod comprising a cylindrical front rod section terminating in a conical tip, a cylindrical rear rod section of smaller cross section relative to said cylindrical front rod section, a tapered intermediate rod section connected between said cylindrical front rod section and said cylindrical rear rod section, a collar disposed between said cylindrical front rod section and said tapered intermediate rod section, and a toothed portion around the periphery of said cylindrical rear rod section adjacent to said tapered intermediate rod section, and a longitudinal slot through said cylindrical rear rod section, said connecting rod comprising a longitudinal coupling hole, which receives the cylindrical rear rod section and tapered intermediate rod section of said center rod, and a longitudinal slot connected to the longitudinal slot of said center rod by a pin, the periphery of the longitudinal coupling hole of said connecting rod being meshed with the toothed portion of said tubular plunger.
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