Hydraulic pressure mold for ultra-long slender rod twisting and upsetting
A mold and upsetting technology, applied in the field of hydraulic forging, can solve problems such as uneven deformation, easy bending, and instability of blanks
Active Publication Date: 2010-03-17
SHANGHAI AUTOMOBILE GEAR WORKS
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Problems solved by technology
However, this technology can only rotate in one direction, and it is difficult to realize the torsion upsetting process. Even if it can be reversed, the upsetting blank will be deformed unevenly due to the twist in only one direction, which will inevitably affect its service life. The height-to-diameter ratio>>2.5 ultra-long and thin rods are very easy to bend and lose stability during the pier thickening process
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Embodiment Construction
[0018] The embodiments of the present invention are described in detail below. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following implementation example.
[0019] Such as figure 1 As shown, this embodiment includes: a mold shell 1, a rotating mechanism 2, a positioning mechanism 3 and an upsetting mechanism 4, wherein: the rotating mechanism 2 is fixedly arranged on the lower port of the mold shell 1, and the positioning mechanism 3 is fixedly arranged on the mold shell The middle part of the body 1 is in contact with the side of the forging piece. The upsetting mechanism 4 is located inside the mold shell 1 and is in contact with the upper end surface and the lower end surface of the forging piece respectively. The rotating mechanism 2 and the upsetting mechanism 4 a...
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Abstract
The invention relates to a hydraulic pressure mold for twisting and upsetting of a piece to be forged in the technical field of the hydraulic pressure forging, which comprises a mold shell, a rotatingmechanism, a positioning mechanism and an upsetting mechanism, wherein the rotating mechanism is fixedly arranged on a lower port of the mold shell, a positioning mechanism is fixedly arranged in themiddle part of the mould shell and contacted with the side surface of the piece to be forged; the upsetting mechanism is positioned in the interior of the mold shell and respectively connected with the upper end surface and the lower end surface of the piece to be forged; and the rotating mechanism and the upsetting mechanism are connected by a hydraulic pressure pipeline. The mold twists the ultra-long cylindrical piece to be forged while upsetting, causes interior molecules in the forging piece to more tightly arrange, thins the tissue of the forging piece and leads the life of the work piece to be greatly prolonged.
Description
technical field [0001] The invention relates to a device in the technical field of hydraulic forging, in particular to a hydraulic mold for torsional upsetting of super-long thin rods. Background technique [0002] One of the urgent tasks of machine manufacturing is to seek new thermal processing technology. For example, for ultra-long thin rod forgings, according to the conventional forging process, due to the height-to-diameter ratio>> 2.5, upsetting deformation causes bending. Due to insufficient forging deformation, the life of the workpiece cannot meet the design requirements. Using the torsional upsetting process can improve the performance of various parts, including increasing the life of cutting tools. At present, the tool life of CNC machine tools and machining centers is too short, which directly affects the machining efficiency and machining accuracy. [0003] After searching the prior art, it was found that Chinese Patent Document No. CN1210552 recorded ...
Claims
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Login to View More IPC IPC(8): B21J5/08B21J13/02B21J13/08B21J9/12
Inventor 王以华张海英
Owner SHANGHAI AUTOMOBILE GEAR WORKS