US 12,420,324 B1
Helical friction extrusion machine and extrusion forming method
Junquan Yu, Jinan (CN); and Guoqun Zhao, Jinan (CN)
Assigned to SHANDONG UNIVERSITY, Jinan (CN)
Filed by SHANDONG UNIVERSITY, Jinan (CN)
Filed on Jun. 26, 2025, as Appl. No. 19/250,302.
Claims priority of application No. 202410916354.4 (CN), filed on Jul. 9, 2024.
Int. Cl. B21C 23/21 (2006.01); B21C 23/32 (2006.01); B21C 25/02 (2006.01)
CPC B21C 23/212 (2013.01) [B21C 23/211 (2013.01); B21C 23/32 (2013.01); B21C 25/02 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A helical friction extrusion machine, comprising a main machine and a tool die, wherein the main machine comprises a first fixed beam, a moving beam, an outer sliding block, a second fixed beam, guide columns, a first main cylinder, a perforating cylinder, a second main cylinder, a rotating platform, and a central sliding block; the first fixed beam and the second fixed beam are respectively located at two ends of the extrusion machine and are fixed in position; the moving beam and the outer sliding block are located between the first fixed beam and the second fixed beam and performs reciprocating rectilinear motion during operation of the extrusion machine; the moving beam is arranged adjacent to the first fixed beam, and the outer sliding block is arranged adjacent to the second fixed beam; the guide columns pass through the first fixed beam, the moving beam, the outer sliding block, and the second fixed beam; the first main cylinder, the perforating cylinder and the second main cylinder are fixed to the second fixed beam, the perforating cylinder is located on a central axis, and the first main cylinder and the second main cylinder are respectively located on two sides of the perforating cylinder and are connected to the outer sliding block to drive the outer sliding block to move; the central sliding block is connected to the perforating cylinder; the rotating platform is fixed to the first fixed beam, the central position of the rotating platform is located on the central axis of the helical friction extrusion machine, and a through hole is formed inside the rotating platform for an extruded material;
the tool die comprises a rotating extrusion rod, an extrusion container, a forward extrusion rod, a hopper, a female die, a male die, and a perforating needle; the rotating extrusion rod is fixed to the rotating platform; the extrusion container is fixed to the moving beam; the forward extrusion rod is fixed to the outer sliding block; the hopper is located above the extrusion container and adjacent to one side of the outer sliding block; the perforating needle is connected to the perforating cylinder; the female die is fixed to the rotating extrusion rod; and the male die is fixed to the perforating needle.