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Special integral impeller five-axis side milling clamp capable of measuring milling force

A special fixture and integral impeller technology, which is applied in the direction of clamping, manufacturing tools, measuring/indicating equipment, etc., can solve the problems that the concentric positioning of the fixture and the impeller blank cannot be guaranteed, the impeller clamping and positioning takes a long time, and the milling force cannot be measured in real time. , to achieve the effect of real-time measurement of milling force, saving time and improving work efficiency

Inactive Publication Date: 2015-07-22
HARBIN UNIV OF SCI & TECH
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  • Summary
  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention solves the problems that the existing five-axis side milling of the integral impeller cannot measure the milling force in real time, the clamping and positioning of the dynamometer and the impeller takes a long time when measuring the milling force of the impeller, and the concentric positioning of the fixture and the impeller blank cannot be guaranteed, and further provides A special fixture for five-axis side milling of integral impeller with measurable milling force

Method used

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  • Special integral impeller five-axis side milling clamp capable of measuring milling force
  • Special integral impeller five-axis side milling clamp capable of measuring milling force
  • Special integral impeller five-axis side milling clamp capable of measuring milling force

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specific Embodiment approach 1

[0016] Specific implementation mode one: as Figure 1~6 As shown, the special fixture for five-axis side milling of integral impeller with measurable milling force in this embodiment includes a first positioning disc 1, a second positioning disc 2 and a fixed mandrel 3, and the first positioning disc 1 is machined with a center Hole 1-1, the edge of the first positioning disc 1 is uniformly processed with three rectangular grooves 1-2 along the circumferential direction, and four positioning thread through holes 1-3 are processed on the first positioning disc 1, four positioning threads The through holes 1-3 are arranged in a rectangular shape, the first positioning disc 1 is fixed on the upper end surface of the turntable of the five-axis milling machine, and the dynamometer is fixed on the upper end surface of the first positioning disc 1 through screws;

[0017] The center of the second positioning disc 2 is processed with a shoulder hole 2-1, and the shoulder hole 2-1 is c...

specific Embodiment approach 2

[0027] Specific implementation mode two: as figure 1 As shown, the diameter R1 of the first positioning disc 1 in this embodiment is 230 mm. Such a design facilitates the center positioning of the turntable of the machine tool and the connection between the two through three evenly distributed rectangular slots. Other components and connections are the same as those in the first embodiment.

specific Embodiment approach 3

[0028] Specific implementation mode three: as figure 2 As shown, the diameter R2 of the second positioning disc 2 in this embodiment is 260 mm. Such a design can not only satisfy the rapid positioning of the second positioning disc 2 on the dynamometer, but also ensure reliable and stable support of the upper impeller blank. Other compositions and connections are the same as those in Embodiment 1 or 2.

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Abstract

The invention relates to a special integral impeller five-axis side milling clamp capable of measuring milling force and in particular relates to a special five-axis side milling clamp. The special integral impeller five-axis side milling clamp aims at solving the problems that the existing integral impeller five-axis side milling can not measure the milling force in real time and time consumption for clamping and positioning a dynamometer and an impeller when the milling force of the impeller is measured. A central hole is processed on a first positioning circular disc, three rectangular grooves are uniformly processed on the edge of the first positioning circular disc in the circumferential direction, four positioning threaded through holes are processed on the first positioning circular disc, a shoulder hole is processed at the center of the second positioning circular disc, four counter bored holes are processed on an inner ring of the second positioning circular disc, three positioning through holes are processed on an outer ring of the second positioning circular disc to be in interference fit with pins to fast realize positioning of the circular disc, a fixed cardiac axis is inserted into the shoulder hole of the second positioning circular disc from bottom to top, a central circular groove is processed on the upper end face of the second positioning circular disc, and the diameter of the central circular groove is in clearance fit with the outer diameter of the impeller. The special integral impeller five-axis side milling clamp is used for an integral impeller five-axis double-rotary table type milling machine.

Description

technical field [0001] The invention relates to a special fixture for five-axis side milling of an integral impeller. Background technique [0002] Impeller parts are widely used in aviation, aerospace and other military fields, and most of the blade surfaces are non-developable ruled surfaces and free-form surfaces, and the processing quality has a decisive impact on the performance of the whole machine. It is generally believed that five-axis linkage CNC machine tools are the only means to solve the processing of complex curved surfaces such as impellers, blades, and marine propellers. The overall machining of the impeller means that the hub and the blades are on the same blank body, and the shape of the impeller is directly milled on the rotary blank by means of CNC machine tools using CNC programming. Side milling uses the side edge of the milling cutter for milling, generally cylindrical cutters and conical cutters, which are gradually accepted by most designers becaus...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q3/00B23Q17/09
Inventor 李茂月刘献礼徐雳贾冬开王飞鲁翠明
Owner HARBIN UNIV OF SCI & TECH
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