Automatic third-class metal line scale calibrating device

Abstract

The utility model discloses an automatic third-class metal linear scale calibrating device, which comprises a base, an object carrying platform, a linear scale fine adjustment moving mechanism and the like. The linear scale fine-tuning moving mechanism comprises a horizontal fine-tuning moving assembly and a vertical fine-tuning moving assembly, the linear scale fine-tuning moving mechanism is fixed to the upper end face of the base, the horizontal fine-tuning moving assembly and the vertical fine-tuning moving assembly are located on the same horizontal line, and a to-be-detected linear scale is placed at the upper end of the linear scale fine-tuning moving mechanism. The horizontal fine-tuning moving assembly comprises a horizontal fine-tuning base and a horizontal fine-tuning top seat, the horizontal fine-tuning top seat is slidably connected with the horizontal fine-tuning base, one side of the horizontal fine-tuning base is rotatably connected with a horizontal moving driving assembly, one end of the horizontal moving driving assembly abuts against a connecting block, and the connecting block is fixedly connected with the horizontal fine-tuning top seat; and one side of the horizontal fine adjustment top seat is rotationally connected with a horizontal locking assembly. According to the utility model, the technical problems of complex verification and low precision in the technical field of metal line scale calibration are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of metal wire scale calibration, in particular to an automated third-class metal wire scale calibration device. Background Art

[0002] The third-class metal wire ruler is a length wire measuring instrument widely used in scientific research, production and engineering. The third-class metal wire ruler is a rigid ruler with engraved lines on two inclined planes at an angle of 45° to the bottom surface. Both sides are engraved with 1020mm engraved lines, one side has a graduation value of 0.2mm, and the other side is 1mm.

[0003] After a third-class metal wire ruler is produced, its scale and measurement accuracy need to be calibrated. However, the traditional inspection device may not be able to calibrate the metal wire ruler completely because the front and back heights of the metal wire ruler may be unequal. After clamping with a fixed clamp, the focus of the reading microscope cannot fall completely on the metal wire ruler, resulting in blurriness when aligning the line; and the modified metal wire ruler is often on the side of the length measuring machine, which does not conform to the Abbe principle. In the subsequent uncertainty analysis, the Abbe error needs to be considered, which undoubtedly increases the measurement uncertainty and leads to technical problems such as complex calibration and low accuracy. Utility Model Content

[0004] The purpose of the utility model is to overcome the above technical deficiencies and provide an automated third-class metal wire scale calibration device to solve the technical problems of complex calibration and low accuracy in the field of metal wire scale calibration technology.

[0005] In order to achieve the above technical purpose, the technical solution of the utility model provides an automated third-class metal wire scale calibration device, comprising:

[0006] A base, a loading platform, and a linear ruler fine-adjustment moving mechanism, wherein the linear ruler fine-adjustment moving mechanism comprises a horizontal fine-adjustment moving component and a vertical fine-adjustment moving component; the linear ruler fine-adjustment moving mechanism is fixed to the upper end surface of the base; the horizontal fine-adjustment moving component and the vertical fine-adjustment moving component are located on the same horizontal line; a linear ruler to be detected is placed on the upper end of the linear ruler fine-adjustment moving mechanism; the horizontal fine-adjustment moving component comprises a horizontal fine-adjustment base, a horizontal fine-adjustment top seat, and the horizontal fine-adjustment top seat is slidably connected to the horizontal fine-adjustment base; one side of the horizontal fine-adjustment base is rotatably connected to a horizontal moving drive component; one end of the horizontal moving drive component abuts against a connecting block; the connecting block is fixedly connected to the horizontal fine-adjustment top seat; one side of the horizontal fine-adjustment top seat is rotatably connected to a horizontal locking component.

[0007] Compared with the prior art, the beneficial effects of the utility model include:

[0008] 1. The automated third-class metal wire scale calibration device provided by the utility model can adjust the spatial position of the wire scale by using the wire scale fine-tuning moving mechanism. By adjusting the degrees of freedom in the left and right and front and back directions, the axis of the wire scale can be kept parallel to the axis of the calibration device, thereby improving the measurement accuracy.

[0009] 2. The automated third-class metal wire scale calibration device provided by the utility model utilizes the carrier platform moving component to enable the mobile carrier platform to move accurately on the linear guide rail, and controls the carrier platform moving drive source through control software and feedback signals from a dual-frequency laser interferometer, which helps to accurately align the reading microscope markings with the third-class metal wire scale markings.

[0010] 3. The automated third-class metal wire scale calibration device provided by the utility model uses a beam splitter position fine-tuning assembly to adjust the position of the beam splitter, so that the corner cone, beam splitter, and dual-frequency laser interferometer are adjusted to the same axis, and the axis is parallel to or coincides with the movement axis of the moving platform, so that the signal strength received by the dual-frequency laser interferometer is always 100%, thereby improving the measurement accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the installation of the wire scale fine-tuning moving mechanism in the automated third-class metal wire scale calibration device provided by the utility model;

[0012] Figure 2 It is a three-dimensional structural schematic diagram of a microscope marking mechanism in an automated third-class metal wire scale calibration device provided by the utility model;

[0013] Figure 3 It is a three-dimensional structural diagram of the horizontal fine-tuning moving component in the automated third-class metal wire scale calibration device provided by the utility model;

[0014] Figure 4 It is a three-dimensional structural diagram of the horizontal fine-tuning moving component in the automated third-class metal wire scale calibration device provided by the utility model;

[0015] Figure 5 It is a three-dimensional structural diagram of a vertical fine-tuning moving component in an automated third-class metal wire scale calibration device provided by the utility model;

[0016] Figure 6 It is a three-dimensional structural schematic diagram of the automated third-class metal wire scale calibration device provided by the utility model;

[0017] Figure 7 The utility model is a three-dimensional structural schematic diagram of a focusing mechanism of a reading microscope in an automated third-class metal wire ruler calibration device.

[0018] In the attached drawings: 1. base; 2. loading platform; 3. linear ruler fine-tuning moving mechanism; 31. horizontal fine-tuning moving assembly; 32. vertical fine-tuning moving assembly; 311. horizontal fine-tuning base; 312. horizontal fine-tuning top seat; 313. horizontal moving drive assembly; 314. connecting block; 315. horizontal locking assembly; 321. vertical fine-tuning moving base; 322. vertical fine-tuning moving top seat; 323. vertical moving drive assembly; 324. rotating block; 325 driving shaft; 326. vertical locking assembly; 4. loading platform moving mechanism; 41. first horizontal moving slider; 42. horizontal moving guide rail; 5. linear ruler supporting block; 51. limit table; 6. reading microscope focusing mechanism ; 61. Reading microscope fixture; 62. Reading microscope moving assembly; 63. Reading microscope; 621. Reading microscope moving base; 622. Reading microscope moving slider; 623. Reading microscope moving drive rod; 624. Drive rod mounting hole; 625. Self-locking assembly; 7. Loading platform moving assembly; 71. Loading platform moving drive source; 72. Loading platform moving drive rod; 73. Loading platform driving slider; 74. Moving track; 75. Connecting rod; 8. Cube mirror base; 9. Cube mirror; 10. Spectrometer mechanism; 101. Spectrometer position fine-tuning assembly; 102. Spectrometer; 11. Dual-frequency interferometer; 12. Line scale to be detected; 13. Target point. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0020] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0022] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 This embodiment provides an automated third-class metal wire ruler calibration device, including: a base 1, a loading platform 2, a wire ruler fine-tuning mechanism 3, and a loading platform moving mechanism 4.

[0023] In the first embodiment, further, the linear ruler fine-tuning moving mechanism 3 includes a horizontal fine-tuning moving component 31 and a vertical fine-tuning moving component 32, the linear ruler fine-tuning moving mechanism 3 is fixed to the upper end surface of the base 1, the horizontal fine-tuning moving component 31 and the vertical fine-tuning moving component 32 are located on the same horizontal line, the linear ruler 12 to be detected is placed on the upper end of the linear ruler fine-tuning moving mechanism 1, the horizontal fine-tuning moving component 31 includes a horizontal fine-tuning base 311, a horizontal fine-tuning top seat 312, the horizontal fine-tuning top seat 312 is slidably connected to the horizontal fine-tuning base 311, One side of the horizontal fine-tuning base 311 is rotatably connected to the horizontal moving drive component 313, one end of the horizontal moving drive component 313 is abutted against a connecting block 314, and the connecting block 314 is fixedly connected to the horizontal fine-tuning top seat 312. One side of the horizontal fine-tuning top seat 312 is rotatably connected to a horizontal locking component 315. When the horizontal fine-tuning top seat 312 needs to be limited, the horizontal locking component 315 is rotated so that one end of the horizontal locking component 315 abuts against the horizontal fine-tuning top seat 312, thereby fixing the horizontal fine-tuning top seat 312.

[0024] Specifically, the horizontal fine-tuning moving component 31 is used to adjust the horizontal position of the linear scale 12 to be measured, and the vertical fine-tuning moving component 32 is used to adjust the vertical position of the linear scale 12 to be measured and adjust the height of the linear scale 12 to be measured.

[0025] In this embodiment, when the horizontal position of the linear scale 12 to be measured needs to be adjusted, the horizontal moving drive component 313 is rotated, and the output shaft of the horizontal moving drive component 313 is extended to abut against the horizontal fine-tuning top seat 312. Since the horizontal fine-tuning top seat 312 is slidingly connected with the horizontal fine-tuning base 311, the horizontal fine-tuning top seat 312 moves in the horizontal direction relative to the horizontal fine-tuning base 311 under the action of the driving force applied by the horizontal moving drive component 313, thereby driving the linear scale 12 to be measured to move in the horizontal direction.

[0026] In this embodiment, the vertical fine-tuning moving component 32 includes a vertical fine-tuning moving base 321, a vertical fine-tuning moving top seat 322, a vertical moving driving component 323, a rotating block 324, and a driving shaft 325. The vertical fine-tuning moving top seat 322 is connected to the vertical fine-tuning moving base 321 for sliding up and down, and one side of the vertical fine-tuning moving base 321 is rotatably connected to the rotating block 324; the cross-section of the rotating block 324 is right-angled; the lower end surface of the top of the vertical fine-tuning moving base 321 is fixedly connected to the driving shaft 325; the lower end of the driving shaft 325 abuts one end of the rotating block 324; the vertical moving driving component 323 is fixedly connected to the bottom end of the vertical fine-tuning moving base 321; and the output shaft of the vertical moving driving component 323 abuts the other end of the rotating block.

[0027] Preferably, a vertical locking assembly 326 is also provided on one side of the vertical fine-tuning movable base 321. When the vertical fine-tuning movable top seat 322 rises to a specified position, the vertical locking assembly 326 is rotated so that one end of the vertical locking assembly 326 abuts against the vertical fine-tuning movable top seat 322, thereby limiting the vertical fine-tuning movable top seat 322.

[0028] Specifically, when it is necessary to adjust the height of the linear ruler 12 to be measured, the vertical movement drive assembly is rotated so that the output shaft of the vertical movement drive assembly 323 abuts against the rotating block 324. When the output shaft of the vertical movement drive assembly 323 continues to extend, the rotating block 324 rotates. When the rotating block 324 rotates, the other end of the rotating block 324 rotates upward to abut against the driving shaft 325, driving the driving shaft 325 to move upward. Since the vertical fine-tuning movable top seat 322 is fixedly connected to the driving shaft 325, the vertical fine-tuning movable top seat 322 moves upward relative to the vertical fine-tuning movable base 321.

[0029] Furthermore, the loading platform 2 is slidably connected to the base 1 through the loading platform moving mechanism 4, and the loading platform moving mechanism 4 includes a first horizontal moving slider 41 and a horizontal moving guide rail 42. The top end of the first horizontal moving slider 41 is fixedly connected to the bottom end of the loading platform 2, the bottom end of the first horizontal moving slider 41 is slidably connected to the upper end of the horizontal moving guide rail 42, and the bottom end of the horizontal moving guide rail 42 is fixedly connected to the upper end of the base 2.

[0030] Furthermore, the top ends of the horizontal fine-tuning movable assembly 31 and the vertical fine-tuning movable assembly 32 are fixedly connected with a linear ruler support block 5, and the linear ruler support block 5 is provided with a limiting table 51, and the limiting table 51 is arranged at an angle of 45° with the horizontal plane.

[0031] Specifically, the angle between the scale surface and the bottom surface of the linear scale 12 to be measured is 45°. When the linear scale 12 to be measured is placed on the linear scale support block 5, since the linear scale support block 5 is provided with a limiting table 51, and the limiting table 51 is arranged at an angle of 45° to the horizontal plane, the working surface of the linear scale 12 to be measured with the scale is in a horizontal state, thereby ensuring that the microscope imaging is always clear during the calibration process.

[0032] Furthermore, a reading microscope focusing mechanism 6 is fixedly connected to one side of the loading platform 2; the reading microscope focusing mechanism 6 includes a reading microscope vertical fine-tuning component 62, a clamp 61, a self-locking component 625 and a reading microscope 63; the clamp 61 is detachably fixedly connected to the reading microscope 63; the reading microscope vertical fine-tuning component 62 includes a reading microscope moving base 621, a reading microscope moving slider 622 and a reading microscope moving driving rod 623, and the reading microscope moving slider 622 is provided with a driving rod mounting hole 624; the self-locking component 625 is provided on one side of the reading microscope vertical fine-tuning component 62.

[0033] In this embodiment, the reading microscope vertical fine-tuning component 62 is used to adjust the position of the reading microscope 63 in the vertical height direction.

[0034] Furthermore, the reading microscope moving driving rod 623 is placed in the driving rod mounting hole 624, one end of the reading microscope moving driving rod 623 is fixedly connected with a rotating body, and a driving bar is fixedly provided on one side of the reading microscope moving base 621 close to the reading microscope moving slider 622, and the rotating body is meshed and drivenly connected with the driving bar.

[0035] Specifically, when the height of the reading microscope 63 needs to be adjusted, the reading microscope moving driving rod 623 is rotated, and the reading microscope moving driving rod 623 drives the rotating body to rotate. Since the rotating body is engaged and driven by the driving bar, the rotating surface of the rotating body close to the reading microscope moving slider 622 is engaged and driven by the reading microscope moving slider 622, that is, when the rotating body rotates, the reading microscope moving slider 622 moves up and down relative to the reading microscope moving base 621, thereby adjusting the height of the reading microscope 63.

[0036] Specifically, when the reading microscope moving driving rod 623 is rotated to adjust the reading microscope to a specified height, the self-locking component 625 is rotated to limit the reading microscope moving slider 622, and the reading microscope moving slider 622 is fixed to the specified height to prevent falling.

[0037] Preferably, the rotating body and the driving bar are respectively selected from gears and racks. Gear rack drive is a common mechanical transmission method, which has the following advantages: 1. High transmission accuracy: Gear rack drive has high positioning accuracy and repeat positioning accuracy, which is suitable for occasions requiring high-precision transmission; 2. Strong transmission rigidity: The gear rack drive system has high rigidity, can withstand large loads, and is not prone to elastic deformation, so the transmission stability is good; 3. Easy installation: The installation of gear rack drive is relatively simple, the rack can be directly fixed on the frame, and the gear is installed on the moving part; 4. High efficiency: The efficiency of gear rack drive is high and the energy loss is small.

[0038] Furthermore, a loading platform moving component 7 is provided on one side of the loading platform 2, and the loading platform moving component 7 includes a loading platform moving driving source 71, a loading platform moving driving rod 72, and a loading platform driving slider 73. The output shaft of the loading platform moving driving source 71 is drivingly connected to the loading platform moving driving rod 72, the loading platform driving slider 73 is drivingly connected to the loading platform moving driving rod 72, and the upper end of the loading platform driving slider 73 is fixedly connected to one side of the loading platform 2 via a connecting rod 75.

[0039] Furthermore, a moving track 74 is provided at one end of the loading platform moving driving source 71 ; the moving track 74 is fixed to the upper end of the base 1 , and the loading platform driving slider 73 is slidably connected to the moving track 74 .

[0040] Preferably, the loading platform moving driving rod 72 is a screw rod, the loading platform driving slider 73 is provided with a screw hole, and the loading platform driving slider 73 and the loading platform moving driving rod 72 are driven by a screw rod.

[0041] Specifically, when the loading platform 2 is driven to move, the loading platform movement driving source 71 drives the loading platform movement driving rod 72 to rotate, and the loading platform movement driving rod 72 drives the loading platform driving slider 73 to move along the length direction of the loading platform movement driving rod 72, thereby driving the loading platform 2 to move along the length direction of the base 1.

[0042] Preferably, the loading platform moving drive source 71 is selected as a servo motor. The main advantages of the servo motor include: 1. Precise control: the servo motor can achieve high-precision position, speed and acceleration control, and is suitable for occasions requiring precise operation; 2. Fast response speed: the servo motor has a fast response time and can quickly reach the set speed and position, thereby improving the dynamic performance of the system; 3. High efficiency and low energy consumption: the servo motor is usually more efficient and can effectively convert electrical energy into mechanical energy, thereby reducing energy loss; 4. Flexible control: the servo motor can be controlled by a variety of control methods, such as analog signals, digital signals, network control, etc., which is convenient for integration with various control systems.

[0043] Furthermore, a prism base 8 is disposed at the top of the object-carrying platform 2 , and a prism 9 is disposed at the top of the prism base 8 .

[0044] Furthermore, a spectroscope mechanism 10 is provided at the top of one side of the base 1. The spectroscope mechanism 10 includes a spectroscope position fine-tuning component 101 and a spectroscope 102. The spectroscope 102 is fixedly provided at the top of the spectroscope fine-tuning component 101. A dual-frequency interferometer 11 is provided on one side of the spectroscope 102.

[0045] Specifically, the beam splitter position fine-tuning component 101 is used to adjust the position of the beam splitter 102 in the horizontal and vertical directions.

[0046] Specifically, the beam splitter 102 and the corner cube 9 are used in conjunction with the dual-frequency laser interferometer 11. The reading of the laser interferometer 11 is a standard value of the device, and the maximum allowable error is ≤0.3 microns.

[0047] Preferably, in this embodiment, a target point 13 is provided on the upper end surface of the base 1 , and a cross axis is engraved on the upper surface of the target point 13 , and the cross axis is perpendicular to the length and width of the upper end surface of the base 1 .

[0048] In the second embodiment, when the device is used as a reading microscope calibration device, the reading microscope 63 to be measured is fixed in the reading microscope fixture 61, and the reading microscope 63 is adjusted so that the index line in the reading microscope 63 is parallel to the moving direction of the loading platform 2 and the cross scale line on the target point 13. The reading microscope 63 is adjusted again so that the zero scale line in the reading microscope 63 is aligned with the index line in the reading microscope 63 and the cross axis line engraved on the upper surface of the target point 13, and the reading microscope is calibrated according to the calibration points specified in JJG 571-2004 "Reading and Measuring Microscopes".

[0049] Working principle: The automated third-class metal wire ruler calibration device provided by the utility model comprises a base 1, a loading platform 2, a wire ruler fine-tuning moving mechanism 3, and a loading platform moving mechanism 4. The linear ruler fine-tuning moving mechanism 3 includes a horizontal fine-tuning moving component 31 and a vertical fine-tuning moving component 32; the linear ruler fine-tuning moving mechanism 3 is fixed to the upper end surface of the base 1; the horizontal fine-tuning moving component 31 and the vertical fine-tuning moving component 32 are located on the same horizontal line; the linear ruler 12 to be detected is placed on the upper end of the linear ruler fine-tuning moving mechanism 3; the horizontal fine-tuning moving component 31 includes a horizontal fine-tuning base 311 and a horizontal fine-tuning top seat 312, and the horizontal fine-tuning top seat 312 is slidably connected to the horizontal fine-tuning base 311; one side of the horizontal fine-tuning base 311 is rotatably connected to a horizontal moving driving component 313; one end of the horizontal moving driving component 313 is abutted against a connecting block 314; the connecting block 314 is fixedly connected to the horizontal fine-tuning top seat 312; one side of the horizontal fine-tuning top seat 312 is rotatably connected to a horizontal locking component 315.

[0050] Specifically, firstly, the linear scale 12 to be measured is placed on the linear scale fine-tuning moving mechanism 3, and the supporting point of the linear scale fine-tuning moving mechanism 3 should be on the Bezier point of the linear scale 12 to be measured, so that the bottom surface of the linear scale 12 to be measured is in contact with the limiting table 51 of the linear scale support block 5, and the 45° oblique angle between the limiting table 51 of the linear scale support block 5 and the scale working surface of the linear scale 12 to be measured is utilized to make the scale working surface of the linear scale 12 to be measured be in a horizontal posture.

[0051] Secondly, the position of the beam splitter 102 is adjusted by using the beam splitter position fine-tuning assembly 101, so that the corner cone 9, the beam splitter 102, and the dual-frequency laser interferometer 11 are adjusted to the same axis, which is parallel to or coincides with the movement axis of the object carrier platform 2, so that the signal strength received by the dual-frequency laser interferometer 11 is always 100%; when the linear ruler 12 to be measured is placed on the linear ruler support block 5, the working surface of the linear ruler 12 to be measured becomes horizontal, thereby ensuring that the imaging is always clear during the calibration process. At this time, the linear scale fine-tuning moving mechanism 3 can be used to adjust the left and right and the height of the linear scale 12 to be measured respectively. During the calibration, the scale lines of the linear scale 12 to be measured are focused in the eyepiece of the reading microscope 63 at one end of the horizontal fine-tuning moving component 31 to make the image clear, and then the loading platform 2 is moved to one end of the vertical fine-tuning moving component 32, and the vertical fine-tuning moving component 32 is adjusted to make the scale lines of the linear scale 12 to be measured focus in the eyepiece of the reading microscope 63 to make the image clear, thus completing the vertical axis adjustment; at this time, the microscope 63 is rotated 90°, and at one end of the vertical fine-tuning moving component 32, the scale lines of the reading microscope 63 are aligned with the edge of the linear scale 12 to be measured, and then the loading platform 2 is moved to one end of the horizontal fine-tuning moving component 31, and the horizontal fine-tuning moving component 31 is adjusted to make the edge of the linear scale 12 to be measured aligned with the reading scale lines of the reading microscope 63, thus completing the horizontal axis adjustment.

[0052] Finally, by controlling the platform movement driving source 71, the platform 2 is moved so that the index line in the reading microscope 63 coincides with the 0 scale line of the linear scale 12 to be measured, and the reading of the dual-frequency laser interferometer 11 is set to zero. According to the requirements of the calibration procedure of JJG71-2005 "Third-Class Metal Wire Scale", the platform 2 is moved so that the index line of the reading microscope 63 stops at the inspected point, and the platform 2 is fine-tuned and moved through the control software so that the index line of the reading microscope 63 coincides with the scale line of the inspected point accurately. The difference between the indication of the measured point and the reading of the dual-frequency laser interferometer 11 is the indication error of the linear scale 12 to be measured at this point. A plurality of inspected points are set on the working surface of the linear scale 12 to be measured, and the indication errors of the plurality of inspected points are tested to calibrate the linear scale 12 to be measured.

[0053] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. An automated third-class metal wire scale calibration device, characterized in that: include: A base, a loading platform, and a linear ruler fine-tuning moving mechanism, wherein the linear ruler fine-tuning moving mechanism includes a horizontal fine-tuning moving component and a vertical fine-tuning moving component; The linear ruler fine-tuning moving mechanism is fixed to the upper end surface of the base; the horizontal fine-tuning moving assembly and the vertical fine-tuning moving assembly are located on the same horizontal line; a linear ruler to be detected is placed on the upper end of the linear ruler fine-tuning moving mechanism; the horizontal fine-tuning moving assembly includes a horizontal fine-tuning base, a horizontal fine-tuning top seat, and the horizontal fine-tuning top seat is slidably connected to the horizontal fine-tuning base; one side of the horizontal fine-tuning base is rotatably connected to a horizontal moving drive assembly; one end of the horizontal moving drive assembly is abutted against a connecting block; the connecting block is fixedly connected to the horizontal fine-tuning top seat; one side of the horizontal fine-tuning top seat is rotatably connected to a horizontal locking assembly.

2. The automated third-class metal wire scale calibration device according to claim 1 is characterized in that: The vertical fine-tuning movable assembly includes a vertical fine-tuning movable base, a vertical fine-tuning movable top seat, a vertical movable driving assembly, a rotating block, and a driving shaft. The vertical fine-tuning movable top seat is slidably connected to the vertical fine-tuning movable base up and down, and one side of the vertical fine-tuning movable base is rotatably connected to the rotating block; the cross-section of the rotating block is right-angled.

3. The automated third-class metal wire scale calibration device according to claim 2 is characterized in that: The lower end surface of the top of the vertical fine-tuning movable base is fixedly connected with the driving shaft; the lower end of the driving shaft abuts one end of the rotating block; the vertical moving driving assembly is fixedly connected to the bottom end of the vertical fine-tuning movable base; the output shaft of the vertical moving driving assembly abuts the other end of the rotating block.

4. The automated third-class metal wire scale calibration device according to claim 3 is characterized in that: It also includes a loading platform moving mechanism; the loading platform is slidably connected to the base through the loading platform moving mechanism; the loading platform moving mechanism includes a first horizontal moving slider and a horizontal moving guide rail; the top end of the first horizontal moving slider is fixedly connected to the bottom end of the loading platform; the bottom end of the first horizontal moving slider is slidably connected to the upper end of the horizontal moving guide rail; the bottom end of the horizontal moving guide rail is fixedly connected to the upper end of the base.

5. The automated third-class metal wire scale calibration device according to claim 4 is characterized in that: The top ends of the horizontal fine-tuning movable assembly and the vertical fine-tuning movable assembly are both fixedly connected with a linear ruler support block; the linear ruler support block is provided with a limiting table; the limiting table is arranged at an angle of 45° with the horizontal plane.

6. The automated third-class metal wire scale calibration device according to claim 5, characterized in that: A reading microscope focusing mechanism is fixedly connected to one side of the loading platform; the reading microscope focusing mechanism includes a reading microscope vertical fine-tuning component, a clamp, a self-locking component and a reading microscope; the clamp is detachably fixedly connected to the reading microscope; the reading microscope vertical fine-tuning component includes a reading microscope moving base, a reading microscope moving slider and a reading microscope moving drive rod; the reading microscope moving slider is provided with a drive rod mounting hole; the self-locking component is provided on one side of the reading microscope vertical fine-tuning component.

7. The automated third-class metal wire scale calibration device according to claim 6, characterized in that: The microscope moving driving rod is placed in the driving rod mounting hole; one end of the microscope moving driving rod is fixedly connected to a rotating body; a driving bar is fixedly arranged on one side of the microscope moving base close to the microscope moving slider; the rotating body is meshed and drivenly connected with the driving bar.

8. The automated third-class metal wire scale calibration device according to claim 7, characterized in that: A loading platform moving assembly is provided on one side of the loading platform; the loading platform moving assembly includes a loading platform moving driving source, a loading platform moving driving rod, and a loading platform driving slider; the output shaft of the loading platform moving driving source is drivingly connected to the loading platform moving driving rod; the loading platform driving slider is drivingly connected to the loading platform moving driving rod; the upper end of the loading platform driving slider is fixedly connected to one side of the loading platform via a connecting rod.

9. The automated third-class metal wire scale calibration device according to claim 8, characterized in that: A moving track is provided at one end of the moving driving source of the carrier platform; the moving track is fixed to the upper end of the base, and the carrier platform driving slider is slidably connected to the moving track; a prism base is provided at the top of the carrier platform; and a prism is provided at the top of the prism base.

10. The automated third-class metal wire scale calibration device according to claim 9, characterized in that: A spectroscope mechanism is arranged at the top of one side of the base; the spectroscope mechanism comprises a spectroscope position fine-tuning component and a spectroscope; the spectroscope is fixedly arranged at the top of the spectroscope fine-tuning component; a dual-frequency interferometer is arranged at one side of the spectroscope.

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