Fluid-pressure driven differential feeding system

A cutting-feeding and hydraulic technology, which is applied in the direction of metal processing machinery parts, metal processing equipment, feeding devices, etc., can solve the problems of large investment and high maintenance cost of AC servo system, achieve large transmission torque, high degree of automation, and prolong tool life Effect

Inactive Publication Date: 2009-02-04
应城市华兴机床有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are also disadvantages of high torque (above 100N / M) AC servo system with large investment and high use and maintenance costs.

Method used

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  • Fluid-pressure driven differential feeding system

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Effect test

Embodiment Construction

[0012] The implementation of the hydraulically driven differential feed system of the present invention will be described in detail below in conjunction with the accompanying drawings, but they do not constitute a limitation of the present invention, and are only used as examples. At the same time, the advantages of the present invention will become clearer and easier to understand.

[0013] Referring to the accompanying drawings, it can be seen that the hydraulically driven differential feed system of the present invention includes a main shaft 1, a knife rest 12, a screw mandrel 11 positioned on the knife rest 12, an oil cylinder 3, and a ball screw 4 positioned at the front end of the oil cylinder 3 , the front end of the ball screw 4 has a third gear 7, the first gear 5 is fixed on the nut 13 of the ball screw 4, the first gear 5 meshes with the second gear 2, and the second gear 2 is fixed on the main shaft 1 , the fourth gear 6 is idle on the main shaft 1, the fourth gea...

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Abstract

The invention relates to a hydraulic drive differential feed system, which comprises an oil cylinder (3) and a ball screw(4) arranged at the front end of the oil cylinder (3); a third gear (7) is arranged at the front end of the ball screw (4); a first gear (5) is fixed on a nut (13) of the ball screw (4); the first gear (5) is meshed with a second gear (2); a fourth gear (6) is hollowly sheathed on a main shaft (1); the fourth gear (6) is meshed with the third gear (7); a fifth gear (8) is positioned at the left side of the third gear (7) and is meshed with the fourth gear (6); a first bevel gear (9) is meshed with a second bevel gear (10) on which a lead screw (11) is fixed. The differential feed system overcomes the shortcomings of the existing differential feed system of a metal cutting machine tool that not only is the number of the grade limited, but also the amount of feed of the machine tool can not be infinitely regulated and the maintenance cost is high. The hydraulic drive differential feed system has the advantages of large transmission torque and better meeting the requirements of processing and manufacturing industry and that the feed speed can be infinitely regulated.

Description

technical field [0001] The invention relates to a feed system of a metal cutting machine tool, more specifically it is a hydraulically driven differential feed system. It can convert the power provided by the hydraulic system into the feed torque of the metal cutting machine tool. Background technique [0002] The amount of feed is an important parameter of metal cutting machine tools. Whether the adjustment of feed is reasonable or not is related to the durability of the tool, product quality and production efficiency. [0003] Differential feed system for existing metal cutting machine tools. Most of them adopt mechanical type and AC servo drive used in recent years. The mechanical type adopts the principle of gear transmission, which is a stepped type. Not only the number of stages is limited, but also the feed rate of the machine tool cannot be adjusted steplessly, which can no longer meet the requirements of modern manufacturing industry. Although the AC servo syste...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q5/34
Inventor 艾华
Owner 应城市华兴机床有限公司
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