Moving platform 3/2 degree-of-freedom 90/180 degree turnover machine for large workpiece
A technology for moving platforms and large parts, applied in the direction of metal processing, etc., can solve the problem that the structure or driving type cannot be well applied to the overturning of large heavy-duty parts, and achieve the effect of simple structure, convenient manufacturing, and enhanced bearing capacity.
Inactive Publication Date: 2014-07-23
YANSHAN UNIV
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Problems solved by technology
Through comparative analysis, it is found that the turning machines disclosed above that can realize 180-degree turning have a common deficiency, that is, their structure or driving type cannot be well applied to the turning of large and heavy-duty parts.
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[0017] The following is an embodiment disclosed by the present invention, with reference to the attached figure 1 , 2 , The mobile platform 3 / 2 degree of freedom large-scale 90 / 180 degree turning machine in the present embodiment is made of three parts of machine base, turning cart, combined workbench.
[0018] The base 4 is a welded structure, and its axial ends are provided with mutually parallel arc-shaped basic roller tables formed by vertical support plates with concave arcs on the upper part, and supporting rollers are arranged on the arc-shaped basic roller tables. A drive device is provided on the symmetrical center line of the base, and a drive gear is provided on the drive rotor;
[0019] The upper workbench 1 and the lower workbench 2 are all semi-cylindrical welded structural parts, and two semicircular arc-shaped support rails 5 are fixedly connected to the two ends of the outer circle along the circumferential direction. The arc-shaped basic roller table in the...
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The invention discloses a moving platform 3 / 2 degree-of-freedom 90 / 180 degree turnover machine for a large workpiece. The turnover machine mainly comprises a base, an upper working stand and a lower working stand, wherein a curved base roller bed is arranged at each of two axial ends of the base; a carrier roller is arranged on each of the roller beds; a driving device is arranged in the base; a driving rotor is provided with a driving gear; both the upper and lower working stands are of semi-cylindrical welding structures, two semi-circular supporting tracks are arranged on the excircles of the upper and the lower working stands respectively, a semi-circular gear ring is arranged in the middle of each of the working stand, and the gear rings are engaged with the driving gear; a lower moving platform is arranged on the lower working stand; the back of the lower moving platform is hinged with five driving cylinders by hinges; and the upper working stand and the lower working stand are hinged by an opening / closing rotation shaft. The turnover machine has the advantages of strong bearing capability, capability of implementing a turnover of 90 and 180 degrees for various workpieces, totally-closed gravity in a turnover process, no need of clamping, simple structure, convenience in manufacturing, low cost, and safety and reliability.
Description
technical field [0001] The invention relates to a turning device, in particular to a mechanical device for turning large heavy-duty parts by 90 degrees and 180 degrees when the process requires it, and belongs to the large-scale auxiliary mechanical device in the technical field of heavy machine manufacturing. Background technique [0002] The "Twelfth Five-Year Plan" puts the revitalization of the equipment manufacturing industry in an important position, and the heavy equipment manufacturing industry is the top priority of the equipment manufacturing industry. It is an industry related to economic development and national security. The processing of large and extra-large parts Manufacturing is the basis for the development of the heavy equipment manufacturing industry, the foundation for the development of cutting-edge products in the fields of national defense, military industry, aviation, and aerospace, and the key to improving the manufacturing level and capabilities of t...
Claims
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IPC IPC(8): B23Q7/00
Inventor 赵永生周玉林邱雪松侯雨雷姚建涛曾达幸唐艳华
Owner YANSHAN UNIV