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Linear feed structure of machine tool

A linear feed, machine tool technology, used in metal processing machinery parts, metal processing equipment, feeding devices, etc., can solve the problems of reducing the precision of machine tools and unstable quality of processed products, and achieves reduced winding, stable quality, and guaranteed quality. The effect of precision

Active Publication Date: 2013-12-25
WUXI MACHINETOOL
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the linear feed structure of the existing machine tool, the slide plate is tightly connected to the nut seat, and the slide plate is clamped in the groove of the linear guide rail, and then the screw is threaded and penetrates the threaded hole of the nut seat, and the nut seat is driven to make a linear motion by rotating the screw rod. During this linear feeding process, the screw rod rotates continuously, different forces are generated between the front end and the rear end of the nut seat, and the force is directly transmitted to the slide plate, so that the slide plate produces a twist during the linear motion process. For machine tools with high precision requirements As far as it is concerned, it will reduce the accuracy of the machine tool, making the quality of the processed product unstable

Method used

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Embodiment Construction

[0009] See figure 1 , figure 2 , which includes a slide plate 1, a linear guide groove (not shown in the figure, which belongs to the existing mature structure), a nut seat 3, and a screw rod 4. The slide plate 1 is clamped in the linear guide groove 2, and the screw rod 4 runs through the nut seat 3. Threaded holes, the bottom of the slide plate 1 is equipped with a nut seat 3, the upper end surface of the nut seat 3 is tightly connected with a moving plate 5, the front end and the rear end of the moving plate 5 are respectively provided with conical positioning holes 6 concave inward, and the moving plate 5 The corresponding positions of the cone positioning holes 6 are respectively provided with a front fixing plate 7 and a rear fixing plate 8, and the positions of the front fixing plate 7 and the rear fixing plate 8 facing the corresponding cone positioning holes 6 are respectively provided with concave cones. There is a gap between the corresponding position of the coni...

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Abstract

The invention provides a linear feed structure of a machine tool. The linear feed structure prevents different forces generated at front and rear ends of a nut holder from directly transmitting to a slide plate when a screw rotates; deflection of the slide plate during linear movement is reduced; precision of the machine tool is ensured; quality of machined products is stable. The linear feed structure comprises the slide plate, a linear rail channel, the nut holder, and the screw. The slide plate is clamped into the linear rail channel. The screw passes a threaded hole of the nut holder. The nut holder is mounted below the slide plate. The linear feed structure is characterized in that a moving plate is fixedly connected to the upper end face of the nut holder, the front and rear ends of the moving plate are provided with concave tapered positioning holes, the parts of the moving plate, corresponding to the tapered positioning holes, are provided with front and rear fixed plates, and the front and rear fixed plates are provided with concave tapered holes corresponding to the tapered positioning holes.

Description

technical field [0001] The invention relates to the technical field of a machine tool feed structure, in particular to a linear feed structure of a machine tool. Background technique [0002] In the linear feed structure of the existing machine tool, the slide plate is tightly connected to the nut seat, and the slide plate is clamped in the groove of the linear guide rail, and then the screw is threaded and penetrates the threaded hole of the nut seat, and the nut seat is driven to make a linear motion by rotating the screw rod. During this linear feeding process, the screw rod rotates continuously, different forces are generated between the front end and the rear end of the nut seat, and the force is directly transmitted to the slide plate, so that the slide plate produces a twist during the linear motion process. For machine tools with high precision requirements In other words, it will reduce the accuracy of the machine tool, making the quality of the processed produc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q5/40
Inventor 肖伟媛
Owner WUXI MACHINETOOL
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