CN113533393A - X-RAY detection equipment capable of realizing micro CT - Google Patents
X-RAY detection equipment capable of realizing micro CT Download PDFInfo
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- CN113533393A CN113533393A CN202110838376.XA CN202110838376A CN113533393A CN 113533393 A CN113533393 A CN 113533393A CN 202110838376 A CN202110838376 A CN 202110838376A CN 113533393 A CN113533393 A CN 113533393A
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- Prior art keywords
- ray
- translation
- lifting
- module
- rotating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
- G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
Abstract
The invention discloses X-RAY detection equipment capable of realizing micro CT (computed tomography), which comprises an object stage mechanism, a first lifting seat connected with the first lifting mechanism, a spacing adjusting mechanism arranged on the first lifting seat, an X-RAY emitting mechanism and an X-RAY receiving mechanism, wherein the X-RAY emitting mechanism and the X-RAY receiving mechanism are connected with the spacing adjusting mechanism; the object stage mechanism is positioned between the x-ray transmitting mechanism and the x-ray receiving mechanism and comprises a first translation mechanism, a rotating mechanism connected with the first translation mechanism and a bearing table connected with the rotating mechanism and used for placing a product to be tested; and a positioning navigation mechanism is also arranged above the bearing table. The invention can not only detect the defects on the product plane, but also realize 3D reconstruction through X-ray cone beam CT scanning, can more intuitively see the defects and the spatial positions of the defects in the product, and has strong universality.
Description
Technical Field
The invention relates to the technical field of X-RAY detection, in particular to X-RAY detection equipment capable of realizing micro CT.
Background
The X-ray detection equipment has certain penetrability, and whether the surface or the inside of a product is defective can be visually seen without damaging the product, so that the X-ray detection equipment can be used for detecting whether various products are qualified, the conventional X-ray detection equipment can only image a plane defect picture of the detected product, most of the detected products are three-dimensional, if all the defects in the product are detected, the product must be shot at multiple angles for multiple times, the detection efficiency is low, the specific position of the defect in the product is difficult to judge, and the use is inconvenient.
Disclosure of Invention
The invention aims to provide an X-RAY detection device capable of realizing micro CT (computed tomography), so as to solve the problems.
In order to realize the purpose, the following technical scheme is adopted:
an X-RAY detection device capable of realizing micro CT comprises an object stage mechanism, a first lifting seat connected with the first lifting mechanism, a spacing adjusting mechanism arranged on the first lifting seat, an X-RAY emitting mechanism and an X-RAY receiving mechanism, wherein the X-RAY emitting mechanism and the X-RAY receiving mechanism are connected with the spacing adjusting mechanism; the object stage mechanism is positioned between the x-ray transmitting mechanism and the x-ray receiving mechanism and comprises a first translation mechanism, a rotating mechanism connected with the first translation mechanism and a bearing table connected with the rotating mechanism and used for placing a product to be tested; and a positioning navigation mechanism is also arranged above the bearing table.
Further, the first lifting mechanism comprises a mounting vertical plate, a lifting mounting shell arranged on one side of the mounting vertical plate, a first screw rod module and a first slide rail module which are mounted in the lifting mounting shell, and a first motor for driving the first screw rod module to operate; the first lifting seat is movably arranged on the first slide rail module and connected with the first screw rod module.
Further, the distance adjusting mechanism comprises an adjusting installation seat which is perpendicular to the first lifting mechanism and arranged on one side of the first lifting seat, and two translation driving mechanisms which are arranged in the adjusting installation seat; the two translation driving mechanisms are respectively positioned at one end of the adjusting mounting seat, and the x-ray transmitting mechanism and the x-ray receiving mechanism are respectively connected with the translation driving mechanism.
Furthermore, the translation driving mechanism comprises a second screw rod module and a second slide rail module which are arranged in the adjustment mounting seat along the length direction of the adjustment mounting seat, a translation sliding seat which is arranged on the second slide rail module and connected with the second screw rod module, and a second motor which is used for driving the second screw rod module to operate; the x-ray transmitting mechanism and the x-ray receiving mechanism are both arranged on the translation sliding seat.
Further, the x-ray emission mechanism comprises an emission support arm fixedly arranged on the translation sliding seat, and an x-ray source arranged on the emission support arm.
Further, the x-ray receiving mechanism comprises a receiving supporting arm fixedly arranged on the translation sliding seat, and a flat panel detector arranged on the receiving supporting arm.
Furthermore, the first translation mechanism comprises a translation installation shell positioned between the x-ray transmitting mechanism and the x-ray receiving mechanism, a third screw rod module arranged in the translation installation shell, a translation plate connected with the third screw rod module, and a third motor used for driving the third screw rod module to operate; the rotating mechanism is installed on the translation plate.
Further, the rotating mechanism comprises a fixed frame arranged at the top of the translation plate and a rotating motor assembly arranged in the fixed frame; the plummer arranges in the mount top and is connected with the rotating electrical machines subassembly.
Further, the positioning navigation mechanism comprises a fixing plate positioned above the bearing table and a navigation camera arranged on the fixing plate.
Furthermore, the X-RAY detection equipment capable of realizing micro CT also comprises a rack, and the object stage mechanism, the X-RAY emission mechanism, the X-RAY receiving mechanism and the positioning navigation mechanism are uniformly arranged in the rack.
By adopting the scheme, the invention has the beneficial effects that:
1) the equipment can not only detect the defects on the product plane, but also realize 3D reconstruction through X-ray cone beam CT scanning, and can more intuitively see the defects in the product and the spatial positions of the defects;
2) the product to be detected can be clamped on the bearing table, the product can rotate 360 degrees, and the CT scanning of any position on the product can be realized by matching with the translation and lifting motion of the x-ray transmitting mechanism and the x-ray receiving mechanism, so that the method is simple and convenient;
3) the distance between the x-ray transmitting mechanism and the x-ray receiving mechanism can be adjusted through the distance adjusting mechanism, so that the detection multiplying power is adjusted, the product defects are amplified, and the detection precision is improved;
4) the automatic detection device has the advantages of high automation degree, no need of manual participation basically, low detection cost, high detection efficiency, reasonable overall structural design, compact structure, suitability for detection of various types of products and strong universality;
5) the detection frame is welded seamlessly, and radiation leakage can be effectively avoided while reliable protection is achieved.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of FIG. 1 with the frame omitted;
FIG. 3 is a perspective view of the stage mechanism of FIG. 2, but without the stage mechanism;
FIG. 4 is a perspective view of the stage mechanism of the present invention;
wherein the figures identify the description:
1-stage mechanism; 2-a first lifting mechanism;
3-a first lifting seat; 4-spacing adjustment mechanism;
5-x-ray launching mechanism; 6-x-ray receiving mechanism;
7-positioning navigation mechanism; 8, a frame;
11 — a first translation mechanism; 12-a carrier table;
13-a holder; 14-a rotating electric machine assembly;
21, installing a vertical plate; 22-lifting installation shell;
23-a first lead screw module; 24-a first slide rail module;
25-a first motor; 41-adjusting the mounting seat;
42-translation drive mechanism.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
Referring to fig. 1 to 4, the present invention provides an X-RAY detection apparatus capable of implementing micro CT, including a stage mechanism 1, a first lifting mechanism 2, a first lifting base 3 connected to the first lifting mechanism 2, a spacing adjustment mechanism 4 mounted on the first lifting base 3, and an X-RAY emission mechanism 5 and an X-RAY receiving mechanism 6 connected to the spacing adjustment mechanism 4; the objective table mechanism 1 is positioned between the x-ray emission mechanism 5 and the x-ray receiving mechanism 6, and the objective table mechanism 1 comprises a first translation mechanism 11, a rotating mechanism connected with the first translation mechanism 11, and a bearing table 12 connected with the rotating mechanism and used for placing a product to be measured; and a positioning navigation mechanism 7 is also arranged above the bearing table 12.
The first lifting mechanism 2 comprises a mounting vertical plate 21, a lifting mounting shell 22 arranged on one side of the mounting vertical plate 21, a first screw rod module 23 and a first slide rail module 24 which are mounted in the lifting mounting shell 22, and a first motor 25 for driving the first screw rod module 23 to operate; the first lifting seat 3 is movably arranged on the first slide rail module 24 and is connected with the first lead screw module 23; the spacing adjusting mechanism 4 comprises an adjusting installation seat 41 which is arranged on one side of the first lifting seat 3 and is vertical to the first lifting mechanism 2, and two translation driving mechanisms 42 which are arranged in the adjusting installation seat 41; the two translation driving mechanisms 42 are respectively located at one end of the adjusting installation base 41, and the x-ray transmitting mechanism 5 and the x-ray receiving mechanism 6 are respectively connected with the translation driving mechanism 42.
The translation driving mechanism 42 comprises a second screw rod module and a second slide rail module which are arranged in the adjustment mounting seat 41 along the length direction, a translation sliding seat which is arranged on the second slide rail module and connected with the second screw rod module, and a second motor which is used for driving the second screw rod module to operate; the x-ray transmitting mechanism 5 and the x-ray receiving mechanism 6 are both arranged on the translation sliding seat; the x-ray emission mechanism 5 comprises an emission support arm fixedly arranged on the translation sliding seat and an x-ray source arranged on the emission support arm; the x-ray receiving mechanism 6 comprises a receiving supporting arm fixedly arranged on the translation sliding seat and a flat panel detector arranged on the receiving supporting arm; the first translation mechanism 11 comprises a translation installation shell positioned between the x-ray emission mechanism 5 and the x-ray receiving mechanism 6, a third screw rod module arranged in the translation installation shell, a translation plate connected with the third screw rod module, and a third motor used for driving the third screw rod module to operate; the rotating mechanism is arranged on the translation plate; the rotating mechanism comprises a fixed frame 13 arranged at the top of the translation plate and a rotating motor assembly 14 arranged in the fixed frame 13; the bearing table 12 is arranged above the fixed frame 13 and connected with the rotating motor assembly 14; the positioning navigation mechanism 7 comprises a fixed plate positioned above the bearing table 12 and a navigation camera arranged on the fixed plate; the X-RAY detection equipment capable of realizing micro CT further comprises a rack 8, and the object stage mechanism 1, the X-RAY emission mechanism 5, the X-RAY receiving mechanism 6 and the positioning navigation mechanism 7 are uniformly arranged in the rack 8.
The working principle of the invention is as follows:
with reference to fig. 1 to 4, in this embodiment, a three-color warning light is further disposed at the top of the rack 8, and when the operation of the device is abnormal, the red light flashes and is accompanied by an alarm sound; an automatic door is arranged in front of the equipment and can be opened and closed automatically, so that the product to be detected can be conveniently and manually loaded and unloaded; the automatic door is also provided with an observation window, so that the operation condition in the equipment can be conveniently observed after the door is closed; the rack 8 is provided with an x-ray shielding case which is a lead-containing shielding shell manufactured by adopting a special process, the leakage amount of x-rays is less than or equal to 1uSv/h, the leakage rate is low, and the safety of operators can be ensured; a rear door is arranged behind the frame 8, so that the frame can be opened when equipment needs to be maintained, and maintenance operation is facilitated; the electric cabinet is positioned at one side of the equipment and is provided with electric components of an equipment electric control system; the front of the equipment is provided with a control panel, and buttons arranged on the control panel comprise an emergency stop button, a key switch for electrifying a moving part, a start button of an industrial personal computer, a USB socket, a main power supply knob and the like.
The invention is provided with a plurality of scanning modes such as DR, circular track cone beam CT, super-view cone beam CT, limited cone beam CT, spiral cone beam CT and the like, and can carry out cone beam CT scanning on each detection area of a product to be detected by the combination of an industrial personal computer, a graphic workstation and an external intelligent control system through the mutual cooperation of all mechanisms; the backstage is with the perspective film reconstruction 3D image data that waits to examine 360 orientations of unit that equipment obtained to piece into the whole 3D picture data of product with the 3D picture of all units finally, the backstage is equipped with powerful quality defect analysis instrument, is suitable for the quality detection of accurate spare part, three-dimensional measurement and the nondestructive analysis of material defect, and simultaneously, the figure of 3D reconsitution can be opened to the technical staff, carries out artifical quality analysis aassessment, simple and convenient, specifically to the product through the backstage instrument:
the x-ray emission mechanism 5 is positioned on the left side in the equipment, and an x-ray source of the x-ray emission mechanism is fixed on the emission support arm and can move left and right along with the translation driving mechanism 42; the translation driving mechanism 42 is arranged on the first lifting mechanism 2 and can move up and down along with the first lifting mechanism; the flat panel detector is positioned on the right side in the equipment, is fixed on the receiving supporting arm and can also do translation and lifting motion along with the translation driving mechanism 42 and the first lifting mechanism 2; through the mutual matching of the two translation driving mechanisms 42, the distance between the X-ray source and the flat panel detector can be adjusted, so that the detection multiplying power is adjusted, the product defects are amplified, and the detection precision is improved; the first lifting mechanism 2 can drive the x-ray source and the flat panel detector to synchronously lift and descend, so that the detected product can be scanned up and down; the navigation camera of the positioning navigation mechanism 7 is fixed above the bearing platform 12, and an operator can position the area to be detected of the product through a real-time image shot by the navigation camera, so as to shoot a perspective view of the detection area.
The bearing table 12 is positioned in the middle of the equipment, and a product to be tested is placed on the bearing table 12; the bearing table 12 is arranged on the rotating mechanism, and the rotating mechanism is connected with the first translation mechanism 11, so that the product can be driven to do translation and rotation motions, and 360-degree cone beam scanning of the product to be detected is realized; meanwhile, the first translation mechanism 11 can drive the bearing platform 12 to drive the product to be tested to move between the x-ray transmitting mechanism 5 and the x-ray receiving mechanism 6, and the three mechanisms are matched with each other, so that cone beam scanning on any point on the product can be realized.
When the device works, the device can be reset and ready for detection, the door is automatically opened by pressing a button of the electric door, a product to be detected is manually clamped on the bearing table 12, and the door is automatically closed by pressing the switch door; then, an operator records and stores the point location coordinates to be scanned on the product one by one through a real-time image shot by a navigation camera, sets parameters necessary for detecting each point location to be scanned correspondingly, and selects a proper CT scanning mode; and then, the device can automatically scan all positions to be detected on a product to be detected according to a set scanning point, the scanning is completed, the background is automatically reconstructed in a 3D manner, after a reconstructed graph is obtained, a specific defect analysis function can be selected according to requirements, the length, the area, the average density and the like of a target area are measured and marked, a background three-dimensional data display function can be used for realizing three-dimensional rendering display, arbitrary section sectioning, three-dimensional MPR display, auxiliary generation of three-dimensional image rotation, translation, scaling, sectioning and other pictures, and the quality analysis and evaluation of the product by technical personnel are facilitated.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An X-RAY detection device capable of realizing micro CT is characterized by comprising an object stage mechanism, a first lifting seat connected with the first lifting mechanism, a spacing adjusting mechanism arranged on the first lifting seat, an X-RAY emitting mechanism and an X-RAY receiving mechanism, wherein the X-RAY emitting mechanism and the X-RAY receiving mechanism are connected with the spacing adjusting mechanism; the object stage mechanism is positioned between the x-ray transmitting mechanism and the x-ray receiving mechanism and comprises a first translation mechanism, a rotating mechanism connected with the first translation mechanism and a bearing table connected with the rotating mechanism and used for placing a product to be tested; and a positioning navigation mechanism is also arranged above the bearing table.
2. The apparatus according to claim 1, wherein the first lifting mechanism comprises a mounting riser, a lifting mounting shell disposed on one side of the mounting riser, a first lead screw module and a first slide rail module mounted in the lifting mounting shell, and a first motor for driving the first lead screw module to operate; the first lifting seat is movably arranged on the first slide rail module and connected with the first screw rod module.
3. The apparatus according to claim 2, wherein the distance adjusting mechanism comprises an adjusting mount disposed on one side of the first lifting mechanism perpendicular to the first lifting mechanism, and two translation driving mechanisms mounted in the adjusting mount; the two translation driving mechanisms are respectively positioned at one end of the adjusting mounting seat, and the x-ray transmitting mechanism and the x-ray receiving mechanism are respectively connected with the translation driving mechanism.
4. The apparatus according to claim 3, wherein the translation driving mechanism comprises a second lead screw module and a second slide rail module arranged in the adjustment mounting seat along the length direction thereof, a translation sliding seat arranged on the second slide rail module and connected with the second lead screw module, and a second motor for driving the second lead screw module to operate; the x-ray transmitting mechanism and the x-ray receiving mechanism are both arranged on the translation sliding seat.
5. The apparatus of claim 4, wherein the X-RAY emission mechanism comprises an emission support arm fixedly mounted on the translational sliding base, and an X-RAY source mounted on the emission support arm.
6. The apparatus according to claim 4, wherein the X-RAY receiving mechanism comprises a receiving support arm fixedly mounted on the translational sliding seat, and a flat panel detector mounted on the receiving support arm.
7. The X-RAY detection device capable of realizing micro CT according to claim 1, wherein the first translation mechanism comprises a translation installation shell positioned between the X-RAY emission mechanism and the X-RAY receiving mechanism, a third screw rod module arranged in the translation installation shell, a translation plate connected with the third screw rod module, and a third motor for driving the third screw rod module to operate; the rotating mechanism is installed on the translation plate.
8. The apparatus for X-RAY inspection capable of performing micro CT according to claim 7, wherein the rotating mechanism comprises a fixed frame installed on top of the translation plate, and a rotating motor assembly installed in the fixed frame; the plummer arranges in the mount top and is connected with the rotating electrical machines subassembly.
9. The apparatus according to claim 1, wherein the positioning and navigation mechanism comprises a fixed plate located above the carrier, and a navigation camera mounted on the fixed plate.
10. The apparatus of claim 1, further comprising a frame, wherein the stage mechanism, the X-RAY emitting mechanism, the X-RAY receiving mechanism, and the positioning and navigating mechanism are disposed in the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110838376.XA CN113533393A (en) | 2021-07-23 | 2021-07-23 | X-RAY detection equipment capable of realizing micro CT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110838376.XA CN113533393A (en) | 2021-07-23 | 2021-07-23 | X-RAY detection equipment capable of realizing micro CT |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113533393A true CN113533393A (en) | 2021-10-22 |
Family
ID=78089305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110838376.XA Pending CN113533393A (en) | 2021-07-23 | 2021-07-23 | X-RAY detection equipment capable of realizing micro CT |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113533393A (en) |
-
2021
- 2021-07-23 CN CN202110838376.XA patent/CN113533393A/en active Pending
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