a grating ruler

A technology of grating scale and scale shell, which is applied in the field of grating scale, can solve the problems of poor sealing effect of single-layer sealing strip, increase maintenance cost, frequent maintenance, etc., achieve high sealing retention, improve production efficiency, and low maintenance frequency.

Active Publication Date: 2021-06-25
CHANGCHUN YUHENG OPTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the object of the present invention is to provide a grating ruler to solve the problems of poor sealing effect of the single-layer sealing strip of the existing grating ruler, frequent maintenance, and increased maintenance cost.

Method used

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Embodiment Construction

[0035] The embodiment of the invention discloses a grating ruler to solve the problems of poor sealing effect, frequent maintenance and increased maintenance cost of the existing single-layer sealing strip of the grating ruler.

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0037] see Figure 1-Figure 7 , figure 1 A schematic diagram of an exploded structure of a grating ruler provided by an embodiment of the present invention; figure 2 for figure 1 The partial cross-sectional structure schematic dia...

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Abstract

The invention discloses a grating scale, which includes a scale shell and a reading head arranged on it, and also includes: at least two sets of sealing strips for cooperating with the shuttle-shaped surface of the reading head are arranged at the gap of the scale shell; The set of sealing strips includes a first sealing strip and a second sealing strip oppositely arranged along both sides of the notch of the scale shell, and storage grooves are respectively arranged on the inner sides of the first sealing strip and the second sealing strip, and the storage grooves can be connected with the opposite side. The heads of the first sealing strip or the second sealing strip are overlapped to realize sealing; the sealing deflectors are respectively arranged at both ends of the scale shell in the length direction, and the sealing deflectors are arranged between the scale shell and the end cover. The device seals the gap between the scale housing, the reading head and the end cover by setting at least two sets of sealing strips, storage tanks and sealing deflectors to improve the sealing effect, high sealing retention, low maintenance frequency, and reduce cost and increase production efficiency.

Description

technical field [0001] The invention relates to the field of precision measuring equipment, more specifically, to a grating ruler. Background technique [0002] The enclosed grating ruler is a representative product as a linear position measuring device in the field of precision measurement and automatic control. It is widely used in high-precision CNC machine tools, high-precision automatic measuring equipment, and especially in processing machine tools for measuring tools and workpieces to be processed. The relative position of the workpiece should have a high protection level to ensure the long-term safe and reliable operation of the grating ruler. The high-precision enclosed grating ruler forms a fully closed loop with the driver, linear motor, and host computer to achieve high-precision measurement. [0003] At present, most of the enclosed grating scales on the market adopt a single-layer sealing strip structure. The main structure includes an aluminum profile shell. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B11/02G01B11/00
CPCG01B11/00G01B11/02
Inventor 王洋李德胜逄增宝焦环宇郎志明武平
Owner CHANGCHUN YUHENG OPTICS
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