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Measuring tool and method for measuring distance between linear rails of machine tool body

A bed and machine tool technology, applied in the field of measuring tools for measuring the line-rail spacing of the machine tool bed, can solve problems such as difficulty in ensuring the consistency of the line-rail spacing, dial indicator movement, and poor repeatability of measuring tools, so as to improve measurement accuracy and Repeated measurement accuracy, improved adaptability, good overall structural stability

Pending Publication Date: 2021-11-26
NINGBO HAITIAN PRECISION MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are many problems in the use of this kind of measuring tool. The uncontrollable factors in the process of transferring the measuring tool will make the dial indicator move, resulting in poor repeat measurement accuracy of the measuring tool, and it is difficult to ensure the consistency of the line rail spacing.

Method used

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  • Measuring tool and method for measuring distance between linear rails of machine tool body
  • Measuring tool and method for measuring distance between linear rails of machine tool body
  • Measuring tool and method for measuring distance between linear rails of machine tool body

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Experimental program
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Effect test

Embodiment 1

[0031] Embodiment 1: A measuring tool for measuring the line-rail distance of a machine bed, as shown in the figure, includes a frame 1, a first measuring unit and a second measuring unit, the frame 1 adopts a hollow design, and the upper side of the frame 1 is installed with Two handles 11, the first measuring unit is installed at one end of the frame 1, the second measuring unit is installed at the other end of the frame 1, the distance between the first measuring unit and the second measuring unit is the same as the line rail distance of the machine bed Adaptation, the line rail spacing of the machine bed is the distance between the left and right line rails on the machine bed.

[0032] In Embodiment 1, the first measuring unit includes a dial gauge 2, a moving measuring head 22, a measuring pin 23, a sliding seat 24, a sliding block 25, a first spring 26 and a positioning block 27, and the sliding seat 24 is fixed on one end of the frame 1 , the slide block 25 can slide le...

Embodiment 2

[0035] Embodiment 2: Utilize the method for measuring the line-rail spacing of the machine tool bed implemented by the above-mentioned measuring tool, comprising the following steps:

[0036] (1) Place the measuring tool on the standard machine bed model 5, so that the first positioning part 29 at the bottom of the moving probe 22 fits the side contact surface 52 of a machine bed rail groove 51 on the standard machine bed model 5 , and make the second positioning part 37 at the bottom of the adjustable probe 31 fit the side surface 54 of another machine bed rail groove 53 on the standard machine bed model 5;

[0037] (2) Adjust the position of the measuring rod 21 of the dial indicator 2, so that the head of the measuring rod 21 bears against the measuring nail 23 on the slider 25. At this time, under the elastic action of the first spring 26, the slider 25 is at rest state, the measuring rod 21 of the dial indicator 2 produces a certain value due to the pressure, and then the...

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Abstract

The invention discloses a measuring tool and method for measuring the distance between linear rails of a machine tool body. The measuring tool comprises a frame, a first measuring unit and a second measuring unit, the first measuring unit is installed at one end of the frame, and the second measuring unit is installed at the other end of the frame. The distance between the first measuring unit and the second measuring unit is matched with the distance between the linear rails of the machine tool body, and the distance between the linear rails of the machine tool body is the distance between the left linear rail and the right linear rail on the machine tool body. The first measuring unit comprises a dial indicator, a movable measuring head, a measuring nail, a sliding seat, a sliding block, a first spring and a positioning block, and the second measuring unit comprises an adjustable measuring head, a pressing block, a pressing screw and a second spring. The measuring tool is high in overall structural stability and universality, convenient to use and capable of improving measuring precision and repeated measuring precision, so that the self-checking accuracy in the machining stage of the machine tool body is improved, the consistency of the distance between the linear rails of the machine tool body is guaranteed, the repair frequency is reduced, time cost is saved, and production efficiency is improved.

Description

technical field [0001] The invention relates to a measuring tool, in particular to a measuring tool and a method for measuring the distance between line rails of a machine bed. Background technique [0002] In the actual production process, the bed parts of many machine tool products adopt the design of spliced ​​bed, and the bed is used as the base for carrying the workbench, and the running accuracy of the workbench will largely depend on the line of the bed The accuracy of the rail, the spliced ​​bed with insufficient consistency of the bed line rail spacing can not even be assembled normally, so it is very necessary to ensure the consistency of the bed line rail spacing of each part of the spliced ​​bed. [0003] At this stage, the measurement method used to ensure the consistency of the bed rail spacing is mainly composed of two T-shaped square steel pipes fixed vertically, and a dial indicator installed on one side of the bed rail to achieve consistency measurement . ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/14
CPCG01B5/14
Inventor 刘浩波汪叶军贺哲斌汪斌辉
Owner NINGBO HAITIAN PRECISION MASCH CO LTD
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