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Double-side synchronous driving high-precision gantry sliding table and control system and method

A synchronous drive and synchronous control technology, applied in the direction of manufacturing tools, large fixed members, metal processing machinery parts, etc., can solve the problems of long mechanical transmission chain and low rigidity, and achieve the effect of low rigidity and stable synchronous operation

Active Publication Date: 2021-05-14
NANJING INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a double-sided synchronous drive high-precision gantry slide, control system and method to solve the problem of the existing gantry slide drive technology The problem of long mechanical transmission chain and low rigidity

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  • Double-side synchronous driving high-precision gantry sliding table and control system and method

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Embodiment Construction

[0026] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with the accompanying drawings and specific implementation methods.

[0027] as attached figure 1 As shown, the double-sided synchronously driven high-precision gantry slide and its control system include X-axis No. 1 motor 1-1; X-axis No. 2 motor 1-2; Z-axis No. 1 motor 2-1; Z-axis No. 2 motor 2-2; Y-axis motor 3; sliding table 4; slider 5 and spindle tool 10; X-axis ball screw guide 6; Y-axis ball screw guide 7; Z-axis ball screw guide 8; Y-axis and Z-axis Connect bracket 9. The sliding table 4 is connected with two ball screw guide rails of the X-axis, and the top of the guide rails are equipped with the X-axis No. 1 motor 1-1 and the X-axis No. 2 motor 1-2, which can control the sliding table to move synchronously along the positive and negative directions of the X-axis ...

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Abstract

The invention discloses a double-side synchronous driving high-precision gantry sliding table and a control system and method. The gantry sliding table comprises an X-axis motor 1, an X-axis motor 2, a Z-axis motor 1, a Z-axis motor 2, a Y-axis motor, a sliding table, a sliding block, a photoelectric encoder, a bisynchronously-driven X-axis ball screw guide rail, a Y-axis ball screw guide rail, a bisynchronously-driven Z-axis lifting ball screw guide rail, a Y-axis and Z-axis connecting support and a tool spindle. The control system is composed of a three-coordinate numerical control system, an X-axis synchronous control unit and a Z-axis synchronous control unit which are connected through a CAN bus. A three-coordinate numerical control system directly controls a Y-axis servo driver and controls an X-axis servo driver and a Z-axis servo driver through an X-axis synchronous control unit and a Z-axis synchronous control unit respectively, and the synchronous control units achieve speed synchronization of servo motors driven in parallel at the two sides in the same coordinate direction according to a balance feedback compensation algorithm.

Description

technical field [0001] The invention relates to a double-sided synchronously driven high-precision gantry sliding table, a control system and a method, and belongs to the technical field of precision numerical control processing equipment control. Background technique [0002] Many precision CNC machining equipment adopt a gantry-type sliding table structure. The advantages of this structure are reasonable space layout, large processing range and stable movement. For equipment with a gantry structure, there are two parallel guide rails in one coordinate direction. In the previous equipment with gantry structure, the same motor drives the movement in the two parallel guide rails, and the power distribution of the motor is transmitted to the two parallel guide rails with a synchronous belt or a transverse transmission mechanism. However, this method of relying on the mechanical transmission mechanism to realize the synchronous movement of the two-sided guide rails is flawed. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q1/01B23Q5/28
CPCB23Q1/012B23Q5/28
Inventor 李宁汪木兰杜一斌常县伟
Owner NANJING INST OF TECH
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