Grating accuracy checker

Abstract

The utility model provides a grating precision calibrator, including case, base, reading head and displacement component, the base sets up at the outside surface of case, for positioning and placing grating ruler, reading head sets up the corresponding position on the base upper end, to carry out detection to grating ruler, displacement component sets up in the case, and displacement component includes the movable setting slide platform, and one side of slide platform is equipped with the support board. Grating ruler is placed on the base station, and passes through bolt locking mounting block and positioning sliding block, to fix mounting grating ruler in the base, guarantees the level and stability of grating ruler, linear module drive slide platform reciprocating movement, and utilize reading head detection grating ruler, utilize the data analysis grating ruler of reading head and grating ruler, and carry out repeated detection to grating ruler many times to determine the stability of grating ruler. The device utilizes linear module drive slide platform action, realizes the automatic detection operation of reading head, improves the work efficiency of the verification.

Description

Technical Field

[0001] This utility model relates to the field of grating inspection technology, specifically a grating accuracy calibrator. Background Technology

[0002] A grating ruler, also known as a grating ruler displacement sensor, is a measurement feedback device that works based on the optical principles of a grating. After the grating ruler is manufactured, its accuracy and stability need to be inspected to ensure product quality. However, existing methods for grating accuracy verification generally involve manually testing the grating ruler on a platform. This method has a large detection error, is slow, requires repeated operations, and is labor-intensive. Utility Model Content

[0003] The technical problem solved by this utility model is to provide a grating accuracy calibrator to solve the problems mentioned in the background art.

[0004] The technical problem solved by this utility model is achieved by the following technical solution: a grating accuracy calibrator, comprising: Chassis; Base; the base is disposed on the outer side of the chassis for positioning and placing the grating ruler; Reading head; the reading head is set at a corresponding position on the upper end of the base to detect the grating ruler; Displacement assembly; the displacement assembly is installed inside the chassis and includes a movable slide. A support plate is provided on one side of the slide. The support plate passes through a guide groove opened in the chassis and is fixedly connected to the reading head to drive the reading head to reciprocate on the upper end of the base.

[0005] As a further embodiment of this utility model: The outer end of the base is integrally provided with a base platform for placing the grating ruler. The base has a T-shaped displacement groove at the upper end of the base platform. Mounting blocks are fixedly installed on both sides of the grating ruler. The mounting blocks are fixedly installed with T-shaped positioning sliders by bolts. The positioning sliders are slidably installed in the displacement groove. The mounting blocks can be locked by rotating the bolts, so that the grating ruler is fixedly installed in the corresponding position on the base platform.

[0006] As a further embodiment of this utility model: The chassis is equipped with a platform, and slide rails are provided on both sides of the platform. The platform is slidably mounted on the slide rails by a slider. A linear module that drives the platform to move back and forth is provided in the middle of the platform. A drag chain connected to the platform is also provided on one side of the platform.

[0007] As a further embodiment of this utility model: The platform is also equipped with buffers on both sides to restrict the movement of the slide. The buffers are mounted on the platform by brackets. The slide is also equipped with positioning sensors to detect the position. The platform is equipped with sensing plates on both sides corresponding to the positioning sensors to detect the position of the slide.

[0008] As a further embodiment of this utility model: The chassis is equipped with an openable cover, which is hinged and mounted on the chassis. A handle is located on the upper part of the cover away from the hinge, so that personnel can open the chassis for maintenance.

[0009] As a further embodiment of this utility model: The lower end of the chassis houses the control host, and a display screen is mounted on one side of the lower end of the chassis via a rotating arm. The lower end of the rotating arm also has a tray for mounting the keyboard. The control host is electrically connected to the grating ruler, reading head, linear module, and positioning sensor.

[0010] Compared with existing technologies, the advantages of this invention are as follows: the grating ruler is placed on the base, and the mounting block and positioning slider are locked with bolts to fix the grating ruler to the base, ensuring its levelness and stability; the linear module drives the slide to move back and forth, and the reading head is used to detect the grating ruler. The accuracy of the grating ruler is analyzed using the data from the reading head and the grating ruler, and the grating ruler is repeatedly tested to determine its stability. This device uses a linear module to drive the slide, realizing automatic detection operation of the reading head and improving the efficiency of verification work. Attached Figure Description

[0011] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the slide table mounting structure of this utility model; Figure 3 This is a partial cross-sectional view of the present invention. Figure 4 for Figure 3 Enlarged structural diagram at point A in the middle; The diagram shows the following components: 1. Chassis; 2. Base; 3. Grating ruler; 4. Reading head; 5. Slide table; 6. Linear module; 7. Display screen; 11. Guide groove; 12. Platform; 13. Slide rail; 14. Cable chain; 15. Buffer; 16. Sensor plate; 17. Cover; 18. Handle; 21. Base; 22. Displacement groove; 23. Mounting block; 24. Positioning slider; 51. Support plate; 52. Positioning sensor. Detailed Implementation

[0012] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below with reference to specific illustrations.

[0013] like Figure 1 As shown, this embodiment provides a grating accuracy calibrator, including a housing 1, a base 2, a reading head 4, and a displacement assembly. The base 2 is disposed on the outer side of the housing 1 for positioning and placing the grating ruler 3. The reading head 4 is disposed at a corresponding position on the upper end of the base 2 for detecting the grating ruler 3. The displacement assembly is disposed inside the housing 1 and includes a movable slide 5. A support plate 51 is provided on one side of the slide 5. The support plate 51 passes through a guide groove 11 opened in the housing 1 and is fixedly connected to the reading head 4 to drive the reading head 4 to reciprocate on the upper end of the base 2.

[0014] like Figure 4 As shown, in this embodiment, the outer end of the base 2 is integrally provided with a base platform 21 for placing the grating ruler 3. The base 2 is provided with a T-shaped displacement groove 22 at the upper end of the base platform 21. Mounting blocks 23 are fixedly installed on both sides of the grating ruler 3. The mounting blocks 23 are fixedly installed with T-shaped positioning sliders 24 by bolts. The positioning sliders 24 are slidably installed in the displacement groove 22. The mounting blocks 23 can be locked by rotating the bolts, so that the grating ruler 3 is fixedly installed in the corresponding position of the base platform 21.

[0015] like Figure 2 As shown, in this embodiment, the chassis 1 is provided with a platform 12, and slide rails 13 are provided on both sides of the platform 12. The slide 5 is slidably mounted on the slide rails 13 by a slider. A linear module 6 for driving the slide 5 to move back and forth is provided in the middle of the platform 12. A drag chain 14 connected to the slide 5 is also provided on one side of the platform 12.

[0016] The platform 12 is also provided with buffers 15 on both sides to restrict the movement of the slide 5. The buffers 15 are mounted on the platform 12 by brackets. The slide 5 is also provided with a positioning sensor 52 to detect the position. The platform 12 is provided with sensing plates 16 on both sides corresponding to the positioning sensor 52 to detect the position of the slide 5.

[0017] like Figure 1 As shown, in this embodiment, the chassis 1 is provided with an openable cover 17. The cover 17 is mounted on the chassis 1 by a hinge, and a handle 18 is provided on the upper end of the cover 17 away from the hinge, so that personnel can open the chassis 1 for maintenance.

[0018] like Figure 1 and Figure 3 As shown, in this embodiment, the lower end of the chassis 1 houses the control host, and a display screen 7 is mounted on one side of the lower end of the chassis 1 via a rotating arm. The lower end of the rotating arm is also provided with a tray for mounting the keyboard. The control host is electrically connected to the grating ruler 3, the reading head 4, the linear module 6, and the positioning sensor 52.

[0019] Specifically, the grating ruler 3 is placed on the base 21, and the mounting block 23 and positioning slider 24 are locked together with bolts to fix the grating ruler 3 to the base 2, ensuring the levelness and stability of the grating ruler 3. The linear module 6 drives the slide table 5 to move back and forth, and the reading head 4 detects the grating ruler 3. The accuracy of the grating ruler 3 is analyzed using the data from the reading head 4 and the grating ruler 3, and the grating ruler 3 is repeatedly tested to determine its stability. This device uses the linear module 6 to drive the slide table 5 to realize the automatic detection operation of the reading head 4, improving the efficiency of the verification work.

[0020] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents. It should be noted that, in this document, the use of relational terms such as "first" and "second" is merely used to distinguish one entity or operation from another, and does not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. In the absence of further restrictions, an element defined by the phrase "comprising a..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. A grating accuracy calibrator, characterized in that: include: Chassis (1); Base (2); The base (2) is located on the outer side of the chassis (1) for positioning and placing the grating ruler (3); Reading head (4); The reading head (4) is set at a corresponding position on the upper end of the base (2) to detect the grating ruler (3); Displacement assembly; The displacement assembly is set inside the housing (1). The displacement assembly includes a movable slide (5). A support plate (51) is provided on one side of the slide (5). The support plate (51) passes through the guide groove (11) opened in the housing (1) and is fixedly connected to the reading head (4) so ​​as to drive the reading head (4) to move back and forth on the upper end of the base (2).

2. The grating accuracy calibrator according to claim 1, characterized in that: The outer end of the base (2) is integrally provided with a base platform (21) for placing the grating ruler (3). The base (2) is provided with a T-shaped displacement groove (22) at the upper end of the base platform (21). Mounting blocks (23) are fixedly installed on both sides of the grating ruler (3). The mounting blocks (23) are fixedly installed with T-shaped positioning sliders (24) by bolts. The positioning sliders (24) are slidably installed in the displacement groove (22). The mounting blocks (23) can be locked by rotating the bolts, so that the grating ruler (3) is fixedly installed in the corresponding position on the base platform (21).

3. The grating accuracy calibrator according to claim 1, characterized in that: The chassis (1) is provided with a platform (12), and slide rails (13) are provided on both sides of the platform (12). The slide (5) is slidably mounted on the slide rails (13) by a slider. A linear module (6) for driving the slide (5) to move back and forth is provided in the middle of the platform (12). A drag chain (14) connected to the slide (5) is also provided on one side of the platform (12).

4. The grating accuracy calibrator according to claim 3, characterized in that: The platform (12) is also provided with buffers (15) on both sides to restrict the movement of the slide (5). The buffers (15) are installed on the platform (12) by a bracket. The slide (5) is also provided with a positioning sensor (52) for detecting the position. The platform (12) is provided with sensing plates (16) on both sides corresponding to the positioning sensor (52) to detect the position of the slide (5).

5. The grating accuracy calibrator according to claim 1, characterized in that: The chassis (1) is provided with an openable cover (17), which is mounted on the chassis (1) by a hinge, and a handle (18) is provided on the upper end of the cover (17) away from the hinge.

6. The grating accuracy calibrator according to claim 4, characterized in that: The lower end of the chassis (1) houses the control host. A display screen (7) is mounted on one side of the lower end of the chassis (1) via a rotating arm. The lower end of the rotating arm is also equipped with a tray for mounting the keyboard. The control host is electrically connected to the grating ruler (3), the reading head (4), the linear module (6), and the positioning sensor (52).

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