High-precision displacement platform for collecting and processing linear data

Abstract

The utility model discloses a high-precision displacement platform for linear data acquisition and processing, which comprises a rack, a double-shaft track is fixedly arranged at the upper part of the rack along the middle line position of the length direction, a driving wheel and a driven wheel are correspondingly arranged at the two ends of the length direction of the double-shaft track, and the driving wheel and the driven wheel are in transmission installation through a synchronous belt. The sliding block and the double-shaft track are installed in a sliding mode, a driving motor fixedly installed on the rack is arranged on one side of the driving wheel, the driving motor drives the driving wheel to drive the synchronous belt and the driven wheel to rotate synchronously so as to drive the double-shaft track on the sliding block to slide, the equipment can operate automatically, full-stroke real-time data collection and recording are achieved, and the working efficiency is greatly improved; the linear displacement sampling precision reaches + / -0.05 mm and is far higher than that of similar laser distance measuring sensors, pull rope sensors and the like for linear measurement; and the collected data can be used for data analysis of related products, so that the performance of the related products can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of linear data acquisition displacement platforms, and particularly relates to a high-precision displacement platform for linear data acquisition and processing. Background Art

[0002] The high-speed linear motor displacement stage is a displacement stage driven by a high-speed linear motor with a long stroke and high load. The linear motor displacement platform adopts modern positioning technology and has the characteristics of being durable, having a strong load capacity, and a long stroke, and is very suitable for applications with large loads, long strokes, and large workloads;

[0003] Publication (Announcement) Number: CN208571892U, a linear displacement platform, includes a first sliding table and a first motor for driving the first sliding table to move in a first direction. The first motor includes a first magnetic conduction component for forming a magnetic circuit and a first mover component disposed in the magnetic circuit. The utility model also provides a horizontal displacement mechanism, including the above linear displacement platform. The linear displacement platform provided by the utility model uses the first magnetic conduction plate as a support member for the first sliding table, and a first sliding groove is opened on the first magnetic conduction plate, and a first guide rail is provided between the first sliding groove and the first sliding table, so that the first sliding table slides along the first sliding groove under the action of the first guide rail.

[0004] In the prior art:

[0005] First, manual collection is used, and a tape measure is used to read parameters and make manual records for analysis. This method has very low efficiency and low accuracy, and cannot be automatically calibrated.

[0006] Second, the product is installed on a telescopic device and then dragged. This method lacks data feedback and recording, has low accuracy, and is not convenient for data analysis.

[0007] Therefore, it is necessary to provide a high-precision displacement platform for linear data acquisition and processing. Summary of the Utility Model

[0008] Aiming at the problems existing in the above prior art, the utility model provides a high-precision displacement platform for linear data acquisition and processing, aiming to realize real-time data acquisition, improve the data acquisition accuracy, facilitate data analysis and comparison to optimize the performance of related products, and meet the high-precision operation.

[0009] To achieve the above object, the utility model is realized through the following technical solutions: A high-precision displacement platform for linear data acquisition and processing includes a frame. Along the midline position of the upper part of the frame in its length direction, a double-axis track is fixedly installed. At both ends of the double-axis track in the length direction, a driving wheel and a driven wheel are correspondingly arranged. The driving wheel and the driven wheel are installed through a synchronous belt drive. A slider is fixedly installed on the synchronous belt, and the slider is slidably installed on the double-axis track. On one side of the driving wheel, a driving motor fixedly installed on the frame is provided. The driving motor drives the driving wheel to drive the synchronous belt and the driven wheel to rotate synchronously to drive the slider to slide on the double-axis track. On one side of the double-axis track, a ranging magnetic strip is arranged along its length direction. The slider is provided with a magnetic head corresponding to the ranging magnetic strip. On both sides of the frame where the driving wheel is located, fixing plates one are symmetrically arranged. On the upper part of the fixing plates one, product fixing seats are evenly distributed. The product fixing seats are fixedly installed with products to be measured. On the upper part of the slider, a pre-detection base is provided. At the positions corresponding to each product fixing seat on the pre-detection base, fixed ends of measuring wires are fixedly installed.

[0010] Preferably, the driving motor and the driving wheel are installed on a fixing plate two, and the fixing plate two is fixedly installed on the frame.

[0011] Preferably, it further includes a PLC board and an industrial control computer. The industrial control computer issues action instructions to control the PLC board. The PLC board controls the forward and reverse rotation of the servo motor. The PLC board collects the signal data of the magnetic head and transmits it to the industrial control computer.

[0012] Preferably, the industrial control computer terminal displays the currently collected data in real time through a control interface and saves it locally in a processable format.

[0013] In summary, the utility model provides a high-precision displacement platform for linear data acquisition and processing. This device can operate automatically, realize full-stroke real-time data acquisition and recording, and greatly improve work efficiency. The linear displacement sampling accuracy reaches ±0.05 mm, which is much higher than that of similar laser ranging sensors, cable sensors, etc. used for linear measurement. It can be used for calibration, comparison testing, etc. of related products. The collected data can be used for data analysis of related products, which is beneficial to improving the performance of related products. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the overall structural schematic diagram of the high-precision displacement platform of the utility model;

[0015] Figure 2 is the utility model Figure 1 The structural analysis schematic diagram at point A in Figure 1 ;

[0016] Figure 3 is the utility model Figure 1 The structural analysis schematic diagram at point A in Figure 2 ;

[0017] In the figure: frame 1, double-axis track 2, driving wheel 3, driven wheel 4, synchronous belt 5, slider 6, driving motor 7, ranging magnetic strip 11, magnetic head 12, first fixing plate 13, product fixing seat 14, product to be tested 15, pre-detection base 16, fixed end of measuring line 17, second fixing plate 21. Specific embodiments

[0018] The present invention will be further described below in conjunction with the accompanying drawings.

[0019] As Figures 1 to 3 shown:

[0020] Operating mechanism of this patent: The industrial control computer issues action instructions, controls the forward and reverse rotation of the servo motor through the PLC board, drives the synchronous belt 5 to move forward and backward, the synchronous belt 5 drags the slider 6 to move synchronously, the product to be tested 15 is placed on the product fixing seat 14, and the fixed end 17 of the measuring line is fixed on the surface of the slider 6 through the pre-detection base 16; the driving motor 7 drives the driving wheel 3, and drives the driven wheel 4 through the synchronous belt 5. The slider 6 is fixedly installed on the synchronous belt 5 to drive the slider 6 to slide on the double-axis track 2. The sliding displacement of the slider 6 is detected by a magnetic grating ruler (composed of a ranging magnetic strip 11 and a magnetic head 12), and the magnetic head 12 reads the recorded signal on the ranging magnetic strip 11 to accurately collect and obtain the linear data of the product to be tested 15; the running speed of the slider 6 can be adjusted by the running speed of the driving motor 7. The position of the driving motor 7 is used to judge the acceleration and deceleration interval, and the position of the magnetic grating ruler is used as the absolute position to participate in the action control.

[0021] Specifically: The present invention is a high-precision displacement platform for linear data acquisition and processing, including a frame 1. A double-axis track 2 is fixedly installed at the midline position along the length direction of the upper part of the frame 1. Driving wheels 3 and driven wheels 4 are correspondingly arranged at both ends of the double-axis track 2 in the length direction. The driving wheel 3 and the driven wheel 4 are installed through the transmission of the synchronous belt 5. The slider 6 is fixedly installed on the synchronous belt 5, and the slider 6 is slidably installed with the double-axis track 2. A driving motor 7 fixedly installed with the frame 1 is arranged on one side of the driving wheel 3. The driving motor 7 drives the driving wheel 3 to drive the synchronous belt 5 and the driven wheel 4 to rotate synchronously to drive the slider 6 to slide on the double-axis track 2. A ranging magnetic strip 11 is arranged along the length direction on one side of the double-axis track 2. The slider 6 is provided with a magnetic head 12 corresponding to the ranging magnetic strip 11. First fixing plates 13 are symmetrically arranged on the two side surfaces of the frame 1 located on both sides of the driving wheel 3. Product fixing seats 14 are evenly distributed on the upper part of the first fixing plates 13. The product fixing seats 14 are fixedly installed with the product to be tested 15. A pre-detection base 16 is arranged on the upper part of the slider 6. Fixed ends 17 of the measuring line are fixedly installed on the pre-detection base 16 corresponding to the positions of the respective product fixing seats 14.

[0022] The product to be tested 15 is correspondingly installed on the product fixing base 14. The pre-detection base 16 is fixedly installed with the fixed end 17 of the measuring long line corresponding to the position of each product fixing base 14. The pre-detection base 16 is fixedly installed on the slider 6. The slider 6 is installed on the synchronous belt 5. The driving motor 7 drives the driving wheel 3 to drive the synchronous belt 5 and the driven wheel 4 to rotate synchronously, so as to drive the slider 6 to slide on the double-axis track 2. One side of the double-axis track 2 is provided with a ranging magnetic strip 11 along its length direction. The slider 6 is correspondingly provided with a magnetic head reader 12 for the ranging magnetic strip 11. By driving the slider 6 to slide on the double-axis track 2 by the driving motor 7 and moving the magnetic head reader 12 near the ranging magnetic strip 11, the information of the relative position and movement between the magnetic head reader 12 and the ranging magnetic strip 11 is obtained. Then the PLC board collects the signal data of the magnetic head reader 12 and transmits it to the industrial control computer, so as to collect the linear data of the product to be tested 15 with high precision.

[0023] In at least one embodiment, the fixed installation method of the driving motor 7 and the driving wheel 3 is: the driving motor 7 and the driving wheel 3 are installed on the second fixing plate 21, and the second fixing plate 21 is fixedly installed on the frame 1, so as to complete the driving of the slider 6, realize the reading of the distance data of the ranging magnetic strip 11 by the magnetic head reader 12, and realize the high-precision collection of the linear data.

[0024] In at least one embodiment, the acquisition and transmission method of the linear data is: This patent also includes a PLC board and an industrial control computer. The model of the PLC board is: GCAN-PLC-511, and the industrial control computer is: Siemens HMIIPC577C. The industrial control computer issues an action instruction to control the PLC board. The PLC board controls the forward and reverse rotation of the servo motor. The PLC board collects the signal data of the magnetic head reader 12 and transmits it to the industrial control computer; the industrial control computer displays the currently collected data in real time through the control interface and saves it locally in a processable format; so as to complete the high-precision acquisition of the linear data of the product to be tested 15.

[0025] The embodiments in the present invention are only used to illustrate the present invention and do not constitute a limitation on the scope of the claims. Other substantially equivalent alternatives that can be thought of by those skilled in the art are all within the protection scope of the present invention.

Claims

1. A high-precision displacement platform for linear data acquisition and processing, characterized in that: The invention comprises a frame (1), a double-axis track (2) is fixedly installed on the upper part of the frame (1) along the center line position of the length direction thereof, a driving wheel (3) and a driven wheel (4) are correspondingly arranged at both ends of the length direction of the double-axis track (2), the driving wheel (3) and the driven wheel (4) are installed through a synchronous belt (5), a slider (6) is fixedly installed on the synchronous belt (5), the slider (6) and the double-axis track (2) are slidably installed, a driving motor (7) fixedly installed on the frame (1) is arranged on one side of the driving wheel (3), the driving motor (7) drives the driving wheel (3), so as to drive the synchronous belt (5) and the driven wheel (4) to rotate synchronously, so as to drive the slider (6) and the upper double-axis track (2) slide, a distance measuring magnetic strip (11) is arranged on one side of the double-axis track (2) along its length direction, and a reading head (12) is arranged on the slider (6) corresponding to the distance measuring magnetic strip (11), and a fixing plate (13) is symmetrically arranged on the two side surfaces of the frame (1) located on the driving wheel (3), and product fixing seats (14) are evenly arranged on the upper part of the fixing plate (13), and the product fixing seats (14) are fixedly installed with the product to be tested (15), and a pre-detection base (16) is arranged on the upper part of the slider (6), and a length measuring line fixing end (17) is fixedly installed on the pre-detection base (16) corresponding to the position of each product fixing seat (14).

2. A high-precision displacement platform for linear data acquisition and processing according to claim 1, characterized in that: The driving motor (7) and the driving wheel (3) are mounted on the second fixing plate (21), and the second fixing plate (21) is fixedly mounted on the frame (1).

3. The high-precision displacement platform for linear data acquisition and processing according to claim 1, characterized in that: It also includes a PLC board and an industrial computer. The industrial computer issues action instructions to control the PLC board. The PLC board controls the forward and reverse rotation of the servo motor. The PLC board collects signal data from the magnetic read head (12) and transmits it to the industrial computer.

4. The high-precision displacement platform for linear data acquisition and processing according to claim 3, characterized in that: The industrial computer displays the current collected data in real time through the control interface and saves it locally in a processable format.

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