Swaging mechanism and swaging processing device for thin-walled ultra-long variable-diameter metal rods and pipes
A technology for metal rods and processing devices, applied in metal processing equipment, forging/pressing/hammer devices, forging/pressing/hammering machinery, etc., can solve problems such as easy to appear, complex structure of variable diameter mechanism, etc., and achieve simple structure , The design is novel and reasonable, and the effect of ensuring product quality
Active Publication Date: 2017-08-01
NORTHWEST INSTITUTE FOR NON-FERROUS METAL RESEARCH
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Problems solved by technology
The core mechanism of the rotary forging process is the rotary forging mechanism. At present, the variable diameter mechanism adopted by the rotary forging mechanism has a complex structure and is prone to problems during the rotary forging process.
Method used
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[0075] Such as figure 1 and figure 2 A swaging mechanism for thin-walled ultra-long variable-diameter metal rods and pipes shown includes a frame 1, a roller cage 11 installed in the frame 1, and a main shaft 4 installed on the frame 1 And the main shaft power device 13 for driving the main shaft 4 to rotate, the main shaft 4 is provided with a mandrel 3 that can rotate with it and can slide axially along the main shaft 4, specifically, the mandrel 3 and the main shaft 4 Spline fit, the one end surface of the main shaft 4 extending into the frame 1 is provided with a cavity 4-1, and one end of the mandrel 3 located in the cavity 4-1 is provided with a connecting plate 6, the A plurality of wedge-shaped plates 7 arranged along its circumferential direction are installed on the connection plate 6, and a cover plate 10 is installed at one end of the main shaft 4 extending into the frame 1, and a cover plate 10 is installed between the roller cage 11 and the cover plate 10 The ...
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Abstract
The invention discloses a rotary swaging mechanism for a thin-wall, ultra-long and variable-diameter metal bar and pipe. The mechanism comprises a roller holding frame, a main shaft and a main shaft power device, wherein a mandrel is arranged in the main shaft; a plurality of rollers are mounted on the roller holding frame; a plurality of die units which are matched with each other are arranged in the roller holding frame; a plurality of hammer heads are arranged in the roller holding frame and positioned at the outer sides of the die units; a wedge-shaped plate passes through a cover plate and a positioning plate and then enters until being between the corresponding hammer head and the corresponding die unit; the outer side surface of each die unit is a tapered surface which is in match with the wedge-shaped plate in a form of a wedge surface; a die adjusting driving mechanism is arranged on a rack and used for driving the mandrel to axially slide along the main shaft so as to adjust the diameter variation of the die units. The rotary swaging mechanism is simple in structure, and simple and convenient to vary the diameter, and can effectively achieve the rotary swaging processing of the variable-diameter metal bar and pipe. The invention further discloses a rotary swaging processing device for effectively processing the thin-wall, ultra-long and variable-diameter metal bar in a rotary swaging manner, and a rotary swaging processing device which can effectively process the thin-wall, ultra-long and variable-diameter metal pipe in the rotary swaging manner.
Description
technical field [0001] The invention belongs to the technical field of thin-walled ultra-long variable-diameter metal rods and pipes, and in particular relates to a swaging mechanism and a swaging processing device for thin-walled ultra-long variable-diameter metal rods and pipes. Background technique [0002] At present, the traditional processing methods of metal reducing pipes include rolling method, spinning method, stamping method and expansion method, etc. Usually, the length-to-diameter ratio of such products is L / Φ≤20, for medium and high strength (tensile strength≥800MPa) , High elasticity (Young's modulus ≤ 110GPa) metal ultra-long thin-wall pipe variable diameter processing, high mold cost, large equipment tonnage, complex working process, poor product quality consistency, low processing efficiency and other shortcomings. [0003] Rotary forging is a widely used economical processing technology. As an important branch of metal plastic processing, swivel forging ha...
Claims
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IPC IPC(8): B21J7/16B21J13/02B21J13/08
CPCB21J7/16B21J13/02B21J13/085
Inventor 于振涛王云牛金龙汶斌斌王昌张亚峰
Owner NORTHWEST INSTITUTE FOR NON-FERROUS METAL RESEARCH