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Numeric control reciprocating drive unit of honing machine spindle

A technology of reciprocating drive device and honing machine, which is applied in the direction of grinding drive device, honing machine tool, grinding machine tool parts, etc. The effect of commutation performance

Inactive Publication Date: 2009-09-09
NINGXIA YINCHUAN DAHE CNC MACHINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

To this end, people have done a lot of research work, by increasing the power and speed of the servo motor to achieve the needs of high power and high reciprocating motion, but due to the increase in motor power and speed, the problem is that the reciprocating drive The inertia of the system increases, which creates a contradiction between high power, high speed and reciprocating linear motion. How to solve this contradiction has become one of the problems of the current servo-driven CNC honing machine.

Method used

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  • Numeric control reciprocating drive unit of honing machine spindle
  • Numeric control reciprocating drive unit of honing machine spindle

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Experimental program
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Embodiment Construction

[0013] Such as figure 1 , 2 As shown, two servo motors 8, 9 are installed on the upper end of the bed 10, and the two servo motors are distributed on both sides of the main shaft 1, and the upper ends of the left and right lead screws 6, 7 are respectively connected to the two servo motors through couplings. The lower ends of the left and right lead screws are positioned through the bearing seats fixed on the bed, and the nuts 11 matched with the lead screws are fixedly installed on the horizontal slide 4, and the horizontal slide is movably installed on the bed through the vertical guide rail 5 on the bed , The horizontal sliding seat is connected with the spindle feed box 2 through the connecting plate 3 . In order to increase the guide of the lead screw, the pitch of the lead screw is 20mm. When the two servo motors rotate positively and negatively according to the set program, the horizontal sliding seat 4 is driven to move along the vertical guide rail 5 on the bed thro...

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Abstract

The invention relates to a reciprocating drive unit of a honing machine spindle, in particular to a numeric control reciprocating drive unit of the honing machine spindle. The numeric control reciprocating drive unit comprises servo motors fixedly arranged on a bed, leading screws connected with the servo motors and nuts matched with the leading screws. The numeric control reciprocating drive unit is characterized in that two or four servo motors are arranged on the bed, upper ends of the lead screws are connected with the servo motors by couplings, lower ends of the leading screw are positioned by a bearing seat fixed on the bed, the nuts matched with the leading screws are fixedly arranged on a horizontal slide seat, the horizontal slide seat is movably arranged on the bed by a vertical guide rail on the bed, and the horizontal slide seat is connected with a feeding box of the spindle. In the numeric control reciprocating drive unit, two or four leading screws are driven by two or four servo motors, thus power of reciprocating motion of the spindle is sum of the power of two or four servo motors; and rotation speed of the servo motors is reduced by large-lead leading screws, which improves reversing performance of the reciprocating motion of the spindle and prolongs service life of a reciprocating drive system.

Description

technical field [0001] The invention relates to a reciprocating driving device for a main shaft of a honing machine, in particular to a reciprocating driving device for a main shaft of a numerically controlled honing machine. Background technique [0002] The existing servo-driven CNC honing machine main shaft reciprocating drive devices all use a servo motor to drive a lead screw to rotate, and the lead screw drives the main shaft to do reciprocating linear motion. The reciprocating linear motion is realized by the positive and negative rotation of the servo motor. At present, the maximum reciprocating speed of this kind of CNC honing machine is 18m / min, and the maximum honing hole diameter is 50mm. However, the most advanced hydraulically driven CNC honing machine in the world has a maximum reciprocating speed of 25m / min and a maximum honing hole diameter of 150mm. Servo-driven CNC honing machines need greater reciprocating speed and driving torque to achieve the above i...

Claims

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Application Information

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IPC IPC(8): B24B33/00B24B47/12
Inventor 牟世维廖威徐建华
Owner NINGXIA YINCHUAN DAHE CNC MACHINE
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