Special milling and drilling clamp and method for machining flywheel cover matched with numerical control rotary table
A flywheel shell and rotary table technology, applied in the direction of manufacturing tools, metal processing equipment, metal processing machinery parts, etc., can solve the problems of limited use and inapplicability, reduce processing procedures and processing equipment, improve economic benefits, and shorten processing cycle effect
Inactive Publication Date: 2014-02-19
HANGZHOU JIULONG MACHINERY MFG
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AI Technical Summary
Problems solved by technology
There is a problem in the above two kinds of fixtures, which can only perform milling and drilling on one surface of the workpiece successively. For workpieces such as the flywheel housing on the engine, because the thickness of the shell wall is different, and the outer circumference of the workpiece Multiple surfaces need to be drilled, so it is not applicable, and the use is relatively limited
Method used
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Embodiment Construction
[0010] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0011] Refer to attached figure 1 , 2 , 3. A special milling and drilling fixture for flywheel shell processing matched with a CNC rotary table, comprising a circular bottom plate 1, a positioning mandrel 10, a positioning pin, a large pressure plate 2 and a support block 5; one end of the positioning mandrel 10 is fixed on the CNC rotary table 3, the other end passes through the connecting hole in the center of the bottom plate 1; the positioning mandrel 10 is provided with a circular boss 11, and the circular boss 11 is located in the connecting hole of the bottom plate 1; the bottom plate 1 The connecting hole is a counterbore, and the circular boss 11 of the positioning mandrel 10 is fixed in the connecting hole of the base plate 1 by screws; the base plate 1 is provided with two symmetrical positioning holes 8, and the flywheel...
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The invention relates to a special milling and drilling clamp and method for machining a flywheel cover matched with a numerical control rotary table. One end of a locating mandrel is fixed into a chuck of the numerical control rotary table; the other end of the locating mandrel penetrates through a mandrel hole in the center of a circular bottom board. The extending-out end of the locating mandrel is provided with a thread, and a large nut is connected to the thread in a screwed mode. The two edge portions of the circular bottom board are provided with two symmetrical locating holes. A plurality of supporting blocks are distributed and fixed to the circular bottom board in an annular mode. A through hole matched with the locating mandrel is formed in the center of a large pressing board, and after the locating mandrel is sleeved with the large pressing board, the large pressing board is located through the large nut. By the adoption of the special milling and drilling clamp for machining the flywheel cover, the multiple faces on the periphery of the flywheel can be milled, drilled and machined after one-time locating and clamping, and machining quality and machining efficiency are improved effectively.
Description
technical field [0001] The invention relates to an auxiliary device for manufacturing mechanical parts, in particular to a milling and drilling fixture for processing the outer peripheral end face of a flywheel housing. Background technique [0002] In the machinery manufacturing industry, in order to perform multiple processes after one positioning and clamping, technicians in the industry work hard to develop various fixtures for clamping workpieces. CN200954582Y discloses a plate milling and drilling fixture, which includes a bottom plate, a rear baffle, a pressure plate and a front pressure block, the back baffle and the front pressure block work together to fix the horizontal direction of the workpiece, and the bottom plate and the pressure plate work together to fix the workpiece the vertical direction. CN202411893U discloses a pin positioning milling and drilling fixture, which includes a base plate, a plurality of positioning pins and pressure plates are movably con...
Claims
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IPC IPC(8): B23Q3/06
CPCB23Q3/062
Inventor 陈文强
Owner HANGZHOU JIULONG MACHINERY MFG