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Device and method for automatically suppressing milling vibration of thin-walled rotating body

A technology of thin-wall rotation and automatic suppression, which is applied in positioning devices, manufacturing tools, clamping, etc., can solve problems such as large cutting vibrations, and achieve the effect of achieving processing quality requirements and fixture self-adaptation process easily and quickly

Active Publication Date: 2019-08-06
SOUTHWEST PETROLEUM UNIV
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Problems solved by technology

Therefore, in order to solve the current problems such as excessive cutting vibration in the milling of such thin-walled parts, the present invention designs a device and method for automatically suppressing the milling vibration of thin-walled rotary bodies, which improves the rigidity of thin-walled parts during processing, reduces the Influence of cutting vibration on processing quality

Method used

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  • Device and method for automatically suppressing milling vibration of thin-walled rotating body
  • Device and method for automatically suppressing milling vibration of thin-walled rotating body
  • Device and method for automatically suppressing milling vibration of thin-walled rotating body

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specific Embodiment

[0052] first as figure 2 As shown in the figure, assemble the fixture, install the fixture vertically on the base of the five-axis vertical machining center, connect the push rod motor 13, vibration sensor 15, and force sensor 2 to the electric control system, and then push The front end 5 of the rod is retracted to drive the support plate 19 and the damping block 3 back, and the workpiece 4 is placed from top to bottom; by controlling the start and stop of the motor 13, the gear and the ball screw are driven to rotate to realize the front end 5 of the push rod and the damping block 3 After fully fitting with the workpiece 4, rotate the quick-release pressure plate 17 and use bolts to connect with the base 18 to compress the workpiece 4 and start processing; the vibration sensor 15 continuously monitors the vibration during processing and transmits data to the computer, and the system processes the data to obtain After the current required supporting force is obtained, the mo...

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Abstract

The invention relates to a device and method for automatically suppressing the milling vibration of a thin-walled rotating body. The device mainly comprises a base, a main shaft, a supporting plate and a vibration damping block and is characterized in that a fixture is fixed to a machine tool through the edge of the base; quick-release pressure plates are evenly distributed at the outer side of the base; the main shaft is arranged at the center of the surface of the base; a rectangular end of a connecting block is fixed to the inner side of the supporting plate by screws, and the cylindrical end of the connecting block is connected to the main shaft through an electric push rod assembly; the electric push rod assembly comprises the front end of a push rod, a push rod sleeve, a motor, a driving gear, an intermediate gear, a driven gear, a lead screw nut and a lead screw; a plurality of rubber shock absorbers are arranged between the supporting plate and the vibration damping block; thecambered surface of the vibration damping block is matched with a workpiece; a roller with a bearing is arranged at the bottom of the vibration damping block; a roller spindle is locked by using the fixed block; and idler wheels are arranged on the supporting plate. The device and method can automatically suppress the milling vibration in the process of processing the thin-walled rotating body, meets the processing quality requirement while satisfying the processing efficiency, and has the characteristics of automation and high precision.

Description

technical field [0001] The invention relates to a milling processing device for a rotary body, in particular to a device and method for automatically suppressing milling vibration of a thin-walled rotary body. Background technique [0002] Large thin-walled rotary parts are widely used in high-end manufacturing fields such as aerospace because of their light weight and good integrity. In the manufacturing process of such parts, milling is usually used to remove up to 80% to 90% of excess material. Due to the low rigidity of the large thin-walled rotary body, cutting vibrations are prone to occur during the machining process, which seriously affects the machining quality. Therefore, in order to complete the milling of such parts and reduce the serious problems caused by cutting vibration, the current method is to reduce the processing parameters, which reduces the cutting vibration but reduces the production efficiency. Therefore, in order to solve the current problems such...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/06B23Q11/00
CPCB23Q3/062B23Q11/0032
Inventor 郭亮阳凡万长成
Owner SOUTHWEST PETROLEUM UNIV
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