Microscopic CT measuring machine convenient to move

Abstract

The invention discloses a convenient-to-move microscopic CT measuring machine which comprises a base, a mounting groove is formed in the top of the base, and a servo motor is mounted in the mounting groove. The mounting groove is formed in the base to fix the servo motor, the output shaft of the mounting groove is connected with the rotating disc, the rotating disc is driven by the servo motor to rotate in the rotating groove, multi-angle rotation of a sample can be achieved, micro-CT can conveniently collect data from different directions, and measurement comprehensiveness is improved; the lifting block is driven to slide up and down in the lifting groove, so that the height of the bearing frame and the X-ray generator can be adjusted in the vertical direction to adapt to detection of samples with different heights, the universality of the equipment is enhanced, the electric sliding rail can drive the X-ray generator to move horizontally, and the X-ray emission position can be flexibly adjusted in combination with rotation of the rotating disc; accurate scanning of the sample is ensured, and the measurement precision is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of convenient mobile micro-CT, in particular to a convenient mobile micro-CT measuring machine. BACKGROUND

[0002] In the field of micro-CT technology, traditional measuring equipment generally has the problems of fixed structure and poor flexibility. The existing micro-CT equipment is mostly fixedly installed, and the relative position of the X-ray generator and the sample table is difficult to adjust. For samples of different sizes and shapes, complex auxiliary tooling is often needed for adaptation, which not only is cumbersome to operate, but also is prone to cause measurement precision to decrease due to installation errors. In addition, the scanning angle of the traditional equipment is relatively single, and it is difficult to realize accurate scanning of the sample in all directions and at multiple angles, affecting the integrity and accuracy of three-dimensional image reconstruction.

[0003] In practical applications, especially in the fields of material science, biomedicine, etc., the diversity of samples (such as irregularly shaped biological tissues, micro-precision devices) puts higher requirements on the flexibility and versatility of micro-CT equipment. For example, when studying small bone tissue samples, the traditional equipment cannot quickly adjust the X-ray emission angle and sample height, resulting in incomplete scanning of some areas and data loss. At the same time, due to the lack of convenient movement and adjustment functions of the equipment, the operator needs to spend a lot of time on equipment debugging, which seriously affects the detection efficiency.

[0004] Therefore, it is necessary to research a convenient mobile micro-CT measuring machine. SUMMARY

[0005] To solve the problems raised in the background art, the purpose of the present application is to provide a convenient mobile micro-CT measuring machine, which has the advantages of flexible adjustment, accurate scanning and convenient operation, and solves the problems of poor adaptability, single scanning angle and low operation efficiency of traditional equipment.

[0006] In order to achieve the above object, the present application provides the following technical scheme: A convenient mobile micro-CT measuring machine, comprising a base, a mounting groove is formed in the top of the base, a servo motor is installed in the inside of the mounting groove, a rotating groove is formed in the top of the mounting groove, the output shaft of the servo motor is fixedly connected with a rotating disc, and the rotating disc is rotationally connected with the rotating groove, a support frame is fixedly connected with the top of the base, a lifting groove is formed in the side of the support frame close to the rotating disc, a lifting column is rotationally connected in the inside of the lifting groove, a driving groove is formed in the back of the support frame, a lifting motor is fixedly connected in the inside of the driving groove, the output shaft of the lifting motor extends into the inside of the lifting groove and is fixedly connected with the lifting column, a lifting block is threadedly connected with the surface of the lifting column, and the lifting block is slidingly connected with the lifting groove, a bearing frame is fixedly connected with the side of the lifting block close to the rotating disc, an electric sliding rail is fixedly connected with the top of the bearing frame, the output end of the electric sliding rail is fixedly connected with an X-ray generator, and the output end of the X-ray generator is provided with a collimator.

[0007] As preferred in the present application, the top of the rotating disc is provided with a plurality of uniformly arranged positioning holes, the top of the positioning hole is threadedly connected with a positioning bolt, the surface of the positioning bolt is rotationally connected with a positioning frame, one side of the positioning frame is provided with a pressing hole, the inside of the pressing hole is threadedly connected with a pressing column, and the bottom of the pressing column is fixedly connected with a pressing pad.

[0008] As preferred in the present application, one side of the base is provided with a storage groove, and the inside of the storage groove is slidingly connected with a storage drawer.

[0009] As preferred in the present application, the other side of the base is provided with a mounting cavity, the inside of the mounting cavity is installed with a control unit, the front of the base is fixedly connected with a man-machine interaction panel, and the man-machine interaction panel is electrically connected with the control unit.

[0010] As preferred in the present application, the groove opening of the driving groove and the cavity opening of the mounting cavity are both provided with a maintenance door, the surface of the maintenance door is provided with a heat dissipation opening, and the surface of the lifting column is sleeved with a telescopic protective sleeve.

[0011] As preferred in the present application, the surface of the support frame is symmetrically provided with a sliding groove about the lifting groove, the surface of the bearing frame is symmetrically fixedly connected with a sliding block about the lifting groove, and the sliding block is slidingly connected with the sliding groove.

[0012] As preferred in the present application, the bottom and the wall of the rotating groove are respectively provided with a balance groove and a limiting groove, the bottom and the side of the rotating disc are respectively fixedly connected with a balance ring and a limiting ring, and the balance ring and the limiting ring are respectively rotationally connected with the balance groove and the limiting groove.

[0013] As preferred in the present application, the following steps are included: S1: the user opens the maintenance door, takes out the appropriate number of positioning pins from the storage drawer according to the size of the sample to be detected, and pre-installs the positioning pins in the positioning holes of the rotating disc according to the position of the detection sample, then places the sample on the rotating disc, rotates the positioning pin, fixes the sample through the positioning frame, the pressing column and the pressing pad, ensures the stability of the sample, then closes the maintenance door, and then performs S2; S2: the user operates the human-computer interaction panel, starts the lifting motor through the control unit, drives the lifting column to rotate, moves the lifting block up and down along the lifting groove, thereby adjusts the height of the bearing frame, at the same time, the electric sliding rail drives the X-ray generator to move horizontally, adjusts the relative position of the X-ray generator and the sample to a suitable state, and then performs S3; S3: the user operates the human-computer interaction panel again, starts the servo motor through the control unit, drives the rotating disc to rotate in the rotating groove, makes the sample rotate, at the same time, starts the X-ray generator, the X-ray is emitted through the collimator, scans the rotating sample, the scanning data is transmitted to the control unit, and then S4 is performed. S4: the control unit processes the scanning data and reconstructs the three-dimensional image, the user views and analyzes the reconstructed image data through the human-computer interaction panel, completes the micro-CT measurement of the sample, when the measurement is completed, the X-ray generator, the servo motor and the lifting motor are turned off, the maintenance door is opened, the sample is taken out, the positioning pin and other accessories are stored in the storage drawer, the equipment state is checked, and the equipment is reset and the working area is cleaned.

[0014] Compared with the prior art, the beneficial effects of the present application are as follows: 1、the base is provided with an installation groove for fixing the servo motor, the output shaft of the servo motor is connected with the rotating disc, the rotating disc is driven to rotate in the rotating groove by the servo motor, the sample can be rotated at multiple angles, the data can be collected from different directions by the micro-CT, the comprehensiveness of measurement is improved, the lifting column is driven to rotate by the lifting motor, the lifting block is driven to slide up and down in the lifting groove, the height of the bearing frame and the X-ray generator can be adjusted in the vertical direction, the sample detection of different heights is adapted, the universality of the equipment is enhanced, the electric sliding rail can drive the X-ray generator to move horizontally, combined with the rotation of the rotating disc, the flexible adjustment of the X-ray emission position is realized, the accurate scanning of the sample is ensured, and the measurement accuracy is improved.

[0015] 2、the positioning holes at the top of the rotating disc can be used to install the specified number of positioning pins according to the size of the sample, the positioning frame is connected with the positioning pin through the bearing, and the angle can be adjusted flexibly; after the pressing column and the pressing pad are screwed into the pressing hole, the sample can be pressed from above to avoid displacement of the sample during detection, ensure the stability of the scanning data, and adapt to samples of different sizes by using multiple positioning holes, realize the rapid positioning of diversified samples, and improve the detection efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a schematic view of the structure of the present application; Figure 2 is a partial sectional perspective view of the structure of the present application; Figure 3 is another perspective view of the sectional structure of the present application; Figure 4 is a perspective view of the positioning peg, the positioning frame, the pressing column and the pressing pad of the present application.

[0017] In the figure: 1, base; 2, servo motor; 3, rotating disc; 4, support frame; 5, lifting groove; 6, lifting column; 7, lifting block; 8, bearing frame; 9, electric sliding rail; 10, X-ray generator; 11, collimator; 12, positioning hole; 13, positioning peg; 14, positioning frame; 15, pressing column; 16, pressing pad; 17, storage drawer; 18, control unit; 19, human-computer interaction panel; 20, maintenance door; 21, heat dissipation opening; 22, sliding groove; 23, sliding block; 24, balance groove; 25, limiting groove; 26, balance ring; 27, limiting ring. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0019] As Figures 1 to 4As shown, the present application provides a convenient mobile micro-CT measuring machine, which comprises a base 1, the top of the base 1 is provided with a mounting groove, the inside of the mounting groove is provided with a servo motor 2, the top of the mounting groove is provided with a rotating groove, the output shaft of the servo motor 2 is fixedly connected with a rotating disc 3, and the rotating disc 3 is rotatably connected with the rotating groove, the top of the base 1 is fixedly connected with a support frame 4, one side of the support frame 4 close to the rotating disc 3 is provided with a lifting groove 5, the inside of the lifting groove 5 is rotatably connected with a lifting column 6 through a bearing, the back of the support frame 4 is provided with a driving groove, the inside of the driving groove is fixedly connected with a lifting motor, and the output shaft of the lifting motor extends to the inside of the lifting groove 5 through a shaft coupling and is fixedly connected with the lifting column 6, the surface of the lifting column 6 is threadedly connected with a lifting block 7, and the lifting block 7 is slidably connected with the lifting groove 5, one side of the lifting block 7 close to the rotating disc 3 is fixedly connected with a bearing frame 8, the top of the bearing frame 8 is fixedly connected with an electric sliding rail 9, the output end of the electric sliding rail 9 is fixedly connected with an X-ray generator 10, and the surface of the X-ray generator 10 is provided with a heat dissipation ring through a heat-conducting silica gel sleeve. The heat dissipation ring can dissipate the heat generated by the X-ray generator 10, and the output end of the X-ray generator 10 is provided with a collimator 11.

[0020] Reference Figure 1 And Figure 4 The top of the rotating disc 3 is provided with a plurality of evenly arranged positioning holes 12, the top of the positioning hole 12 is threadedly connected with a positioning bolt 13, the surface of the positioning bolt 13 is rotatably connected with a positioning frame 14 through a damping bearing, one side of the positioning frame 14 is provided with a pressing hole, the inside of the pressing hole is threadedly connected with a pressing column 15, and the bottom of the pressing column 15 is fixedly connected with a pressing pad 16.

[0021] As a technical optimization scheme of the present application, the positioning bolt 13 can be installed in the appropriate position according to the size of the sample through the positioning hole 12 on the top of the rotating disc 3, the positioning frame 14 is connected with the positioning bolt 13 through the bearing, and the angle can be adjusted flexibly. After the pressing column 15 and the pressing pad 16 are screwed into the pressing hole, the sample can be pressed from above to avoid displacement of the sample during detection, ensure the stability of the scanning data, and adapt to samples of different sizes by using multiple positioning holes 12 to realize rapid positioning of diversified samples and improve the detection efficiency.

[0022] Reference Figure 1 And Figure 2 One side of the base 1 is provided with a storage groove, and the inside of the storage groove is slidably connected with a storage drawer 17.

[0023] As a technical optimization scheme of the present application, the positioning bolt 13, the pressing pad 16 and other accessories can be stored in the storage drawer 17, which is convenient for users to take and use at any time, avoids loss of accessories, keeps the equipment clean, and improves the operation convenience.

[0024] Reference Figure 1 AndFigure 2 The other side of the base 1 is provided with a mounting cavity, and a control unit 18 is mounted in the mounting cavity.

[0025] As a technical optimization scheme of the present application, the electrical control module of the device is integrated through the control unit 18, and the unified control of the servo motor 2, the lifting motor, the electric sliding rail 9 and other components is realized through the man-machine interaction panel 19, the operation process is intelligentized, the use threshold is reduced, then the device state, scanning parameters and other information can be displayed in real time through the man-machine interaction panel 19, the user can set the parameters through the interface, realize automatic detection, and improve the operation efficiency and accuracy.

[0026] Reference Figure 2 and Figure 3 The slot of the driving groove and the cavity of the mounting cavity are provided with maintenance doors 20, the surface of the maintenance door 20 is provided with a heat dissipation opening 21, a dustproof net (not shown) is mounted in the heat dissipation opening 21, the dustproof net plays a dustproof role, and the surface of the lifting column 6 is sleeved with a telescopic protective sleeve.

[0027] As a technical optimization scheme of the present application, through the setting of the maintenance doors 20 of the driving groove and the mounting cavity, the servo motor 2, the control unit 18 and other components are convenient to overhaul; the heat dissipation opening 21 can accelerate the internal heat dissipation, prevent the equipment from overheating due to long-time operation, prolong the service life, the telescopic protective sleeve covers the lifting column 6, prevents dust and sundries from entering the threaded connection, avoids the wear of the lifting column 6, ensures the stability and precision of the lifting mechanism.

[0028] Reference Figure 2 and Figure 3 The surface of the support frame 4 is symmetrically provided with a sliding groove 22 about the lifting groove 5, the surface of the bearing frame 8 is symmetrically fixedly connected with a sliding block 23 about the lifting groove 5, and the sliding block 23 is in sliding connection with the sliding groove 22.

[0029] As a technical optimization scheme of the present application, through the sliding cooperation of the sliding block 23 and the sliding groove 22, the lifting block 7 is provided with guiding support, the shaking in the lifting process is avoided, the vertical movement of the bearing frame 8 and the X-ray generator 10 is stable, and the position precision during scanning is improved.

[0030] Reference Figure 2 and Figure 3 The bottom and the side of the rotating disc 3 are fixedly connected with a balance ring 26 and a limiting ring 27 respectively, and the balance ring 26 and the limiting ring 27 are in rotary connection with the balance groove 24 and the limiting groove 25 respectively.

[0031] As a technical optimization scheme of the application, the eccentric moment when the rotating disc 3 rotates can be offset by the setting of the balance ring 26 embedded in the balance groove 24, the vibration is reduced, the stability of the rotating disc 3 is ensured, the deviation of the scanning data caused by the vibration of the sample is avoided, the radial displacement of the rotating disc 3 is limited by the cooperation of the limiting ring 27 and the limiting groove 25, and the center position of the rotating disc 3 in the rotating process is ensured, so that the positioning accuracy in multi-angle scanning is improved.

[0032] The working principle and use process of the application: when the micro-CT measuring machine is used, first, the measuring machine is installed at a specified position, and the user opens the maintenance door 20, according to the size of the sample to be detected, the appropriate number of positioning pins 13 are taken out from the storage drawer 17, and the positioning pins 13 are pre-installed in the positioning holes 12 of the rotating disc 3 according to the position of the sample to be detected, then the sample is placed on the rotating disc 3, the positioning pins 13 are rotated, the sample is fixed by the positioning frame 14, the pressing column 15 and the pressing pad 16, and the stability of the sample is ensured, then the maintenance door 20 is closed, then the user operates the human-computer interaction panel 19, the lifting motor is started through the control unit 18, the lifting motor drives the lifting column 6 to rotate, the lifting block 7 moves up and down along the lifting groove 5, and then the height of the bearing frame 8 is adjusted; at the same time, the X-ray generator 10 is horizontally moved by the electric sliding rail 9, the relative position between the X-ray generator 10 and the sample is adjusted, the scanning voltage, current, exposure time and other parameters are set to the appropriate state, then the user operates the human-computer interaction panel 19 again, the servo motor 2 is started through the control unit 18, the servo motor 2 drives the rotating disc 3 to rotate in the rotating groove, the sample rotates, and the X-ray generator 10 is started at the same time, the X-ray is emitted through the collimator 11, and the sample in rotation is scanned, the scanning data is transmitted to the control unit 18, finally the control unit 18 processes the scanning data and reconstructs the three-dimensional image, the user views and analyzes the reconstructed image data through the human-computer interaction panel 19, and the micro-CT measurement of the sample is completed, when the measurement is completed, the X-ray generator 10, the servo motor 2 and the lifting motor are turned off, the maintenance door 20 is opened, and the sample is taken out; the positioning pins 13 and other accessories are stored in the storage drawer 17, the equipment state is checked, and the equipment is reset and the working area is cleaned.

[0033] It should be noted that, in the present document, the terms such as first and second, etc., are merely used to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0034] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A convenient mobile micro-CT measuring machine, comprising a base (1), characterized in that: The top of the base (1) is provided with a mounting slot, a servo motor (2) is installed inside the mounting slot, a rotating slot is provided at the top of the mounting slot, an output shaft of the servo motor (2) is fixedly connected to a rotating disk (3), and the rotating disk (3) is rotatably connected to the rotating slot, a support frame (4) is fixedly connected to the top of the base (1), a lifting slot (5) is provided on a side of the support frame (4) close to the rotating disk (3), a lifting column (6) is rotatably connected inside the lifting slot (5), a driving slot is provided on the back of the support frame (4), and the driving slot is fixed inside the driving slot. A lifting motor is connected, and the output shaft of the lifting motor extends to the interior of the lifting slot (5) and is fixedly connected to the lifting column (6); the surface of the lifting column (6) is threadedly connected to a lifting block (7), and the lifting block (7) is slidably connected to the lifting slot (5); the lifting block (7) is fixedly connected to a carrier frame (8) on a side close to the rotating disk (3); the top of the carrier frame (8) is fixedly connected to an electric slide rail (9); the output end of the electric slide rail (9) is fixedly connected to an X-ray generator (10), and the output end of the X-ray generator (10) is provided with a collimator (11).

2. The portable micro-CT measuring machine according to claim 1, characterized in that: The top of the rotating disk (3) is provided with a plurality of evenly arranged positioning holes (12), the top of the positioning hole (12) is threadedly connected to a positioning bolt (13), the surface of the positioning bolt (13) is rotatably connected to a positioning frame (14), one side of the positioning frame (14) is provided with a lower pressure hole, the interior of the lower pressure hole is threadedly connected to a lower pressure column (15), and the bottom of the lower pressure column (15) is fixedly connected to a lower pressure pad (16).

3. The portable micro-CT measuring machine according to claim 2, characterized in that: A storage groove is provided on one side of the base (1), and a storage drawer (17) is slidably connected to the interior of the storage groove.

4. The portable micro-CT measuring machine according to claim 3, characterized in that: An installation cavity is provided on the other side of the base (1), a control unit (18) is installed inside the installation cavity, a human-machine interaction panel (19) is fixedly connected to the front of the base (1), and the human-machine interaction panel (19) is electrically connected to the control unit (18).

5. The portable micro-CT measuring machine according to claim 4, characterized in that: The notch opening of the driving slot and the cavity opening of the installation cavity are both provided with maintenance doors (20), the surface of the maintenance door (20) is provided with a heat dissipation port (21), and the surface of the lifting column (6) is provided with a retractable protective cover.

6. The portable micro-CT measuring machine according to claim 5, characterized in that: The surface of the support frame (4) is symmetrically provided with a sliding groove (22) with respect to the lifting groove (5), and the surface of the carrier frame (8) is symmetrically fixedly connected with a slider (23) with respect to the lifting groove (5), and the slider (23) is slidably connected to the sliding groove (22).

7. The portable micro-CT measuring machine according to claim 6, characterized in that: The bottom and the wall of the rotating groove are respectively provided with a balancing groove (24) and a limiting groove (25); the bottom and the side of the rotating disk (3) are respectively fixedly connected with a balancing ring (26) and a limiting ring (27); and the balancing ring (26) and the limiting ring (27) are respectively rotatably connected to the balancing groove (24) and the limiting groove (25).

8. The method for using the portable micro-CT measuring machine according to claim 7, comprising the following steps: S1: The user opens the maintenance door (20), takes out a suitable number of positioning bolts (13) from the storage drawer (17) according to the size of the sample to be tested, and installs the positioning bolts (13) in the positioning holes (12) of the rotating disk (3) in advance according to the position of the test sample. Then, the sample is placed on the rotating disk (3), the positioning bolts (13) are rotated, and the sample is fixed by the positioning frame (14), the pressing column (15) and the pressing pad (16) to ensure that the sample is stable. Then, the maintenance door (20) is closed and S2 is executed. S2: The user operates the human-machine interaction panel (19) and starts the lifting motor through the control unit (18). The lifting motor drives the lifting column (6) to rotate, so that the lifting block (7) moves up and down along the lifting slot (5), thereby adjusting the height of the carrier (8). At the same time, the electric slide rail (9) drives the X-ray generator (10) to move horizontally, adjusting the relative position of the X-ray generator (10) and the sample to a suitable state, and then executing S3; S3: The user operates the human-machine interaction panel (19) again, and starts the servo motor (2) through the control unit (18). The servo motor (2) drives the rotating disk (3) to rotate in the rotating tank, so that the sample rotates. At the same time, the X-ray generator (10) is started, and the X-ray is emitted through the collimator (11) to scan the rotating sample. The scan data is transmitted to the control unit (18), and then S4 is executed; S4: The control unit (18) processes the scanned data and reconstructs a three-dimensional image. The user views and analyzes the reconstructed image data through the human-computer interaction panel (19) to complete the micro-CT measurement of the sample. When the measurement is completed, the X-ray generator (10), servo motor (2) and lifting motor are turned off, the maintenance door (20) is opened, the sample is removed, and the positioning bolt (13) and other accessories are stored in the storage drawer (17). The device status is checked to ensure that the device is reset and the work area is cleaned.

Images