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Active high-speed spindle on-line dynamic balancing head and control system thereof

A high-speed spindle and control system technology, applied in static/dynamic balance testing, measuring devices, instruments, etc., can solve problems such as large axial size and complex drive system, and achieve high reliability, simple mechanical structure, easy access convenient effect

Active Publication Date: 2016-08-17
TIANJIN UNIV OF TECH & EDUCATION TEACHER DEV CENT OF CHINA VOCATIONAL TRAINING & GUIDANCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the disadvantages of the existing high-speed spindle on-line dynamic balancing device, such as complex structure and drive system, large axial size, and difficulty in application on existing machine tools.

Method used

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  • Active high-speed spindle on-line dynamic balancing head and control system thereof
  • Active high-speed spindle on-line dynamic balancing head and control system thereof
  • Active high-speed spindle on-line dynamic balancing head and control system thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0040] 1. Balance head structure and function realization

[0041] The mechanical structure of an active high-speed spindle online dynamic balancing head includes a balancing head and a nozzle mechanism.

[0042] The balance head is composed of two balance disc assemblies and related installation parts, and the correction amount required by the balance head is synthesized from the inherent unbalance of the two balance disc assemblies. The balance plate assembly consists of the balance plate body (3), side cover (4), countersunk head screws (7), and reference bolts (8). The main installation parts include round nuts (2), installation rings (5), shoulder sleeves (6) and so on. The assembly relationship of the balance head on the main shaft (1) is as follows: figure 1 and figure 2 shown.

[0043] The structure of the balance disc body (3) is as follows: image 3 and Figure 4 As shown, the feature is that the inner and outer rings are tooth-shaped structures, a threaded un...

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PUM

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Abstract

The invention relates to an active high-speed spindle on-line dynamic balancing head and a control system thereof and belongs to the precise and ultra-precise machining and automation field. The on-line balancing head is of a purely mechanical structure; the core part of the on-line balancing head includes two balancing disc assemblies for correction and a driving mechanism thereof, wherein the two balancing disc assemblies for correction are in bilateral symmetry. The balancing head is simple and reliable in mechanical structure and small in axial size. The control system of the balancing head includes two parts, namely, a pneumatic system and an electrical system; the pneumatic system can realize electric-to-gas signal conversion, drive the position adjustment of the balancing disc assemblies, and obtain an air source conveniently and causes no pollution to the atmosphere; and the electrical system realizes signal acquisition and analysis and controls signal output. The active high-speed spindle on-line dynamic balancing head and the control system thereof of the invention are of great significance for high-speed precise and ultra-precise machining tools.

Description

technical field [0001] The invention relates to an active high-speed spindle online dynamic balancing head and a control system thereof, which belong to the field of precision ultra-precision machining and automation. Background technique [0002] The unbalanced centrifugal force generated by the spindle rotation is proportional to the square of the rotational speed. For a high-speed spindle system, even a small unbalanced amount may generate a very large unbalanced centrifugal force, causing machine tool vibration, bearing wear and other failures. Therefore, the unbalance of the high-speed spindle system seriously affects the machining accuracy and service life of the machine tool. [0003] The task of the dynamic balance of the spindle system is to determine the size and direction of the unbalanced amount of the high-speed spindle system, and then add a balance mass at a certain radius in the opposite direction, so that the additional unbalanced amount is equal to the unba...

Claims

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Application Information

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IPC IPC(8): G01M1/38
Inventor 张仕海
Owner TIANJIN UNIV OF TECH & EDUCATION TEACHER DEV CENT OF CHINA VOCATIONAL TRAINING & GUIDANCE
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