De-weighting and milling device for fan impeller dynamic balance
A fan impeller and re-milling technology, which is applied to positioning devices, milling cutters, milling machine equipment, etc., can solve the problems of difficult control of de-duplication accuracy, affecting the balance accuracy of moving impeller, and unsightly appearance of the impeller, so as to achieve easy-to-control machining accuracy, The effect of maintaining aesthetics and simple structure
Active Publication Date: 2017-03-08
ZHUZHOU LINCE GRP +1
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Problems solved by technology
However, this kind of impeller de-weighting device adopts milling machine cutting to remove weight and correct the dynamic balance of the impeller. Not only is the de-weighting accuracy difficult to control, but also the shape of the impeller after milling is not beautiful, and the grooves on the surface of the impeller after milling are easy to accumulate and affect the balance accuracy of the moving impeller. sundries
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[0023] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in various ways defined and covered by the claims.
[0024] Such as figure 1 As shown, a fan impeller dynamic balance weight-removing milling device of the present invention includes a vertical milling machine (not shown in the figure), a boring handle 1, a cutter bar 2, a cutter head 3 and a The impeller positioning fixture 5 for positioning the fan impeller 4, the boring handle is vertically coaxially connected to the lower end of the main shaft of the vertical milling machine, the boring handle is horizontally provided with a first mounting hole 11 passing through its rotation center, and the tool bar 2 One end is arranged in the first mounting hole, the other end of the cutter bar is provided with the second mounting hole 21, and the second mounting hole is arranged obliquely, and the cutter head 3 is ar...
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The invention provides a de-weighting and milling device for fan impeller dynamic balance. The de-weighting and milling device comprises a vertical milling machine, a boring cutter handle, a cutter rod, a cutter head and an impeller positioning clamp which is fixedly arranged below the boring cutter handle and is used for positioning the fan impeller, wherein the boring cutter handle is coaxially connected with the lower end of a main shaft of the vertical milling machine; one end of the cutter rod is arranged in a first mounting hole; the cutter head is arranged in a second mounting hole; and an inclined angle alpha between a length direction line of the cutter head and a rotating shaft axial line of the boring cutter handle is more than or equal to 3 degrees and less than or equal to 6 degrees. According to the de-weighting and milling device provided by the invention, the center of the fan impeller and the center of the boring cutter handle are arranged in a radially staggered mode, the cutter head performs milling and de-weighting processing on the unbalanced position of the fan impeller at fixed rotating speed and feeding quantity, and the cutter head leaves a cutter edge, which is a section of transition arc, on the surface of the fan impeller, so that the condition of ash deposition after the fan impeller is de-weighted is effectively solved and the aesthetic property of the integral fan impeller is maintained. The processing prevision of the de-weighting and milling device provided by the invention is easy to control and the processing efficiency is greatly improved.
Description
technical field [0001] The invention relates to the technical field of milling of machine tools, in particular to a dynamic balancing and weight-removing milling device for fan impellers. Background technique [0002] The fan impeller is affected by its own structure, processing, assembly technology, operating environment and other factors, which is prone to impeller imbalance, resulting in damage to the overall dynamic balance of the fan. During high-speed operation, the entire rotating system will generate noise and harmful vibrations, which will affect Various performance indicators and service life of the fan operation lead to a decrease in the reliability of the fan. It is necessary to perform balance correction on the fan blades to eliminate the unbalance and ensure that they can work safely. [0003] Chinese patent ZL201420438581.2 provides an impeller weight removal device, including a drilling and milling machine, an impeller fixing fixture, and a rotary table; the...
Claims
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IPC IPC(8): B23C3/00B23C5/26B23Q3/06
CPCB23C3/00B23C5/26B23Q3/062
Inventor 伍新荣刘能文童晨
Owner ZHUZHOU LINCE GRP