External machining fixture for one-step clamping
A fixture and clamping technology, which is applied in the direction of manufacturing tools, metal processing equipment, metal processing machinery parts, etc., can solve the problems that the concentricity of each part of the workpiece cannot be guaranteed, the processing accuracy cannot be guaranteed, and the processing requirements cannot be met. The implementation effect is remarkable, the structure is simple, and the effect of high processing precision
Inactive Publication Date: 2013-08-14
铜陵有色兴铜机电制造有限公司
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Problems solved by technology
The existing processing cannot complete the outer circle processing of the workpiece in one clamping, which requires secondary clamping, resulting in the inability to guarantee the machining accuracy; at the same time, the use of chuck clamping cannot guarantee the concentricity of the dimensions of each part of the workpiece
This also leads to a further reduction in machining accuracy, which cannot meet the machining requirements
Method used
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Embodiment Construction
[0018] The content of the present invention will be described below in conjunction with specific embodiments.
[0019] like figure 1 As shown, it is a structural schematic diagram of the one-time clamping outer circle processing fixture of the present invention. The cylindrical processing jig of the present invention includes a body 1, a sliding top cone 7 is installed inside the body 1, and a set screw 6 limits the sliding top cone 7 inside the body 1 so that it can only slide axially and cannot rotate with each other. The dial 9 is set on the front end of the body 1 . At the rear end of the sliding top cone 7, a support rod 4 is provided, the front end of the support rod 4 is provided with a nut 5, and the rear end is provided with a hexagonal screw plug 6. A disc spring 3 is arranged on the support rod 4 between the nut 5 and the hexagon plug 6, and the disc spring 3 is in a pre-compressed state. The hexagonal plug 6 compresses the belleville spring 3 inside the body 1 b...
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The invention relates to an external machining fixture for one-step clamping. The external machining fixture comprises a body and a sliding tip cone, the sliding tip cone is mounted inside the body and is limited to only axially slide inside the body by a positioning screw, a driving plate is sleeved at the front end of the body, a support lever is arranged at the rear end of the sliding tip cone, a nut is arranged at the front end of the support lever, a hexagonal plug is arranged at the rear end of the support lever, and a Belleville spring is arranged on the support lever and is compressed inside the body by the hexagonal plug. According to the external machining fixture for one-step clamping, the sliding tip cone and driving teeth are used for double positioning support, and external machining can be realized by one-step clamping. A plurality of oil cavities are further arranged on the fixture to adapt to workpieces with different end faces, and adaptability of the fixture is improved. By means of practical machining and use, the fixture is simple in structure, high in machining precision and remarkable in implementation effect.
Description
technical field [0001] The invention relates to a jig for processing an outer circle, in particular to a jig which can be processed by only one clamping, and belongs to the technical field of mechanical processing. Background technique [0002] When turning shaft parts on a lathe, generally use a chuck to clamp one end of the workpiece, and the other end uses the top cone on the tailstock of the lathe to support the workpiece for processing; or install a fixed top cone on the machine tool spindle to support the workpiece, and clamp it with a chuck One end of the workpiece, and the other end is processed using the swivel top cone on the tailstock of the lathe to support the workpiece. The existing processing cannot complete the outer circle processing of the workpiece in one clamping, which requires secondary clamping, resulting in the inability to guarantee the machining accuracy; at the same time, the use of chuck clamping cannot guarantee the concentricity of the dimension...
Claims
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Inventor 戴小兵王永辉张复华
Owner 铜陵有色兴铜机电制造有限公司