CN115609018A - Metal 3D printing device of synchronous quality control - Google Patents
Metal 3D printing device of synchronous quality control Download PDFInfo
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- CN115609018A CN115609018A CN202211321910.0A CN202211321910A CN115609018A CN 115609018 A CN115609018 A CN 115609018A CN 202211321910 A CN202211321910 A CN 202211321910A CN 115609018 A CN115609018 A CN 115609018A
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- 239000002184 metal Substances 0.000 title claims abstract description 74
- 238000010146 3D printing Methods 0.000 title claims abstract description 41
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 25
- 238000003908 quality control method Methods 0.000 title claims abstract description 7
- 238000007639 printing Methods 0.000 claims abstract description 99
- 230000005540 biological transmission Effects 0.000 claims abstract description 57
- 238000001514 detection method Methods 0.000 claims abstract description 55
- 239000000843 powder Substances 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000007689 inspection Methods 0.000 claims abstract description 19
- 230000008569 process Effects 0.000 claims abstract description 16
- 230000007480 spreading Effects 0.000 claims abstract description 14
- 230000007547 defect Effects 0.000 claims abstract description 10
- 238000004458 analytical method Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 description 16
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000003746 surface roughness Effects 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/90—Means for process control, e.g. cameras or sensors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Analytical Chemistry (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The invention provides a metal 3D printing device for synchronous quality inspection, which comprises a metal 3D printer body, an X-ray backscatter detection module and a 3D printer connecting frame, wherein the metal 3D printer body is provided with a plurality of X-ray backscatter detection modules; the X-ray backscattering detection module is arranged right above the metal 3D printer body and connected with the metal 3D printer body through the 3D printer connecting frame, and the scanning direction of the X-ray backscattering detection module is vertically downward; the metal 3D printer body comprises a printing and scanning platform, a laser source, a powder spreading device, an X-direction printing transmission structure, a Y-direction printing transmission structure, a Z-direction printing transmission structure, a printing control system and a printer frame; the X-ray backscatter detection module comprises a backscatter module frame, an X-ray bulb tube bracket, an X-ray bulb tube, a flying spot forming assembly, a post collimator and a detector; the printing control system can control the metal 3D printer body to perform metal 3D printing and can also send pulse synchronous signals to control the X-ray backscatter detection module to realize the function of synchronous quality inspection. The metal 3D printer body and the X-ray backscatter detection module are matched for use, so that the defects generated in the metal 3D printing process can be detected in real time, the method is a non-contact, rapid, efficient and high-precision online detection method, and the method has remarkable effects on quality control and process improvement of the metal 3D printing technology.
Description
Technical Field
The invention relates to the technical field of additive manufacturing, in particular to a metal 3D printing device for synchronous quality inspection.
Background
Compared with the traditional manufacturing method, the additive manufacturing technology, commonly known as the 3D printing technology, has remarkable advantages in the aspects of complex part manufacturing, integrated manufacturing, personalized customization and the like, and is widely applied to the fields of aerospace, automobile manufacturing, medical treatment and health care and the like.
The metal 3D printing technology has complex and variable process and numerous factors influencing the printing quality, so that the printing defect is difficult to avoid in the printing process. The most frequent defects are the occurrence of voids and seams between the printed grids, which seriously affect the overall mechanical properties of the workpiece. For the fields of aerospace, automobile manufacturing, medical health and the like with strict quality requirements, quality control is a difficult problem which must be solved by a metal 3D printing technology.
At present, in the field of metal 3D printing, the existing online detection technology mainly comprises an ultrasonic detection technology and a scanning electron microscope technology. However, ultrasonic detection is mainly applied to workpieces with simple structures, the surface roughness of the workpieces can directly influence the detection resolution, generally, the surface roughness is required to be less than 6.3 micrometers, and the surface roughness of the workpieces printed by metal 3D cannot meet the requirements of ultrasonic detection. In addition, for the scanning electron microscope technology, the depth of the detected workpiece is generally not more than 5 micrometers, but the resolution of the metal 3D printed grid is 20 to 100 micrometers, so the scanning electron microscope is difficult to detect defects such as hollows and gaps among the grids. Therefore, for the metal 3D printing technology, it is an urgent need to develop a non-contact, fast, efficient, and high-precision online detection method.
Disclosure of Invention
1. Technical problem to be solved
The invention provides a metal 3D printing device for synchronous quality inspection, which is used for solving the technical problem that the existing detection technology cannot accurately identify defects generated in the metal 3D printing process.
2. Technical scheme
The invention provides a metal 3D printing device for synchronous quality inspection, which comprises a metal 3D printer body, an X-ray backscattering detection module and a 3D printer connecting frame.
Metal 3D printer body prints transmission structure, printing control system, printer frame including printing and scanning platform, laser source, shop's powder device, X direction, Y direction, printing transmission structure, Z direction.
The printing and scanning platform comprises a printing substrate and a Y-direction scanning transmission structure; the printing substrate is a substrate for metal 3D printing, and powder paving and printing are performed on the substrate; and the Y-direction scanning transmission structure is used for driving the printing substrate to move at a constant speed along the Y direction during scanning detection.
The laser source can generate high-power laser for melting or sintering metal powder; the powder spreading device comprises a powder spreading box and a powder spreading box transmission structure, and is arranged above the printing substrate and used for containing metal powder and spreading and scraping the metal powder on the substrate; the X-direction printing transmission structure is used for driving the laser source to move in the X direction to select areas; the Y-direction printing transmission structure is used for driving the laser source to move in the Y direction to select areas; the Z-direction printing transmission structure is used for driving the printing and scanning platform to move up and down in the Z direction, so that the layer changing, powder laying and printing are realized; the printing control system comprises a printing control cabinet and a printing control display, wherein the printing control cabinet is arranged at the bottom of a printer frame and is used for controlling the power of a laser source, controlling a powder spreading device, controlling the motion of an X-direction printing transmission structure, controlling the motion of a Y-direction printing transmission structure, controlling the motion of a Z-direction printing transmission structure, controlling the motion of a Y-direction scanning transmission structure and synchronously controlling an X-ray backscatter detection module in the 3D metal printing process; the printer frame is used for fixing the powder paving box transmission structure, printing the transmission structure in the X direction, printing the transmission structure in the Y direction, printing the transmission structure in the Z direction and printing the control system.
The X-ray backscatter detection module comprises a backscatter module frame, an X-ray bulb tube support, an X-ray bulb tube, a flying spot forming assembly, a post collimator and a detector.
X ray backscatter detection module installs directly over metal 3D printer body, through 3D printer connection frame is connected with metal 3D printer body, and X ray backscatter detection module's scanning direction is vertical decurrent.
The back scattering module frame is used for overall supporting and fixing the X-ray back scattering detection module; the X-ray bulb tube support fixes the X-ray bulb tube on the top of the back scattering module frame.
The flying spot forming assembly comprises a front collimator, a chopped wave wheel, a servo motor bracket and a shielding shell.
The front collimator is formed by processing a flange, is welded on the shielding shell and is used for connecting the X-ray bulb tube; the shield shell covers the chopper wheel, the servo motor and the servo motor bracket inside; the servo motor vertically drives the chopper wheel downwards to rotate, and the servo motor support fixes the servo motor inside the shielding shell.
The X-ray bulb tube generates a cone-shaped light beam and aims at the center of the front collimator; a slit is arranged at the center of the front collimator, and the light beam is collimated into a fan-shaped light beam after passing through the front collimator and then irradiates on the chopper wheel; the servo motor is provided with an encoder and drives the chopper wheel to rotate at a high speed; the chopping impeller is provided with a plurality of radially distributed slits, the area outside the slits is shielded by high atomic number materials, so that the part outside the slits of the chopping impeller cannot transmit X rays, only one slit of the chopping impeller and the fan-shaped light beam transmitting the front collimator generate intersection points at the same time, the fan-shaped light beam becomes a point light beam after passing through the chopping impeller, and one-dimensional high-speed line scanning is carried out along the slit direction of the front collimator.
The rear collimator is provided with a slit aligned with the slit of the front collimator at the center for re-collimating the flying spot, and the rear collimator is also used for fixing the flying spot forming assembly on the back scattering module frame.
The detector is arranged at the bottom of the back scattering module frame, a slit is arranged in the center of the detector and is aligned with the slit of the front collimator and the slit of the rear collimator, so that the point light beam can smoothly irradiate the detected object through the slit of the detector, and then X-ray back scattering is generated and acquired by the detector.
3. Advantageous effects
Compared with the prior art, the invention has the advantages and beneficial effects that:
the detection depth of the X-ray back scattering detection module can reach millimeter magnitude, the detection precision can reach dozens of microns, the method can be used for detecting defects generated in the metal 3D printing process in real time, is a non-contact, rapid, efficient and high-precision online detection method, and has remarkable effects on quality control and process improvement of the metal 3D printing technology.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a metal 3D printing apparatus for synchronous quality inspection according to the present invention.
Fig. 2 is a schematic structural diagram of a metal 3D printer body according to the present invention.
FIG. 3 is a schematic diagram of the structure of the printing and scanning platform of the present invention.
Fig. 4 is a schematic structural view of the powder laying device of the present invention.
Fig. 5 is a schematic configuration diagram of the print control system of the present invention.
Fig. 6 is a schematic structural diagram of an X-ray backscatter detection module of the present invention.
Fig. 7 is a schematic structural view of the flying spot forming assembly of the present invention.
Reference numerals:
1: a metal 3D printer body; 2: an X-ray backscatter detection module; 3: the 3D printer is connected with the frame;
11: a printing and scanning platform; 12: a laser source; 13: a powder spreading device;
14: printing a transmission structure in the X direction; 15: printing a transmission structure in the Y direction; 16: printing a transmission structure in the Z direction;
17: a print control system; 18: a printer frame; 111: printing a substrate;
112: a Y-direction scanning transmission structure; 131: laying a powder box; 132: a powder laying box transmission structure;
171: a print control chassis; 172: a print control display;
21: a back-scattering module frame; 22: an X-ray tube support; 23: an X-ray bulb;
24: a flying spot forming assembly; 25: a post collimator; 26: a detector;
241: a pre-collimator; 242: a chopper wheel; 243: a servo motor;
244: a servo motor support; 245: a shielding housing.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
A metal 3D printing apparatus for synchronous quality inspection according to the present invention will be described with reference to fig. 1 to 6.
As shown in fig. 1, an embodiment of the present invention provides a metal 3D printing apparatus for synchronous quality inspection, including: metal 3D printer body 1, X ray back scattering detection module 2, 3D printer connection frame 3.X ray backscatter detection module 2 installs directly over metal 3D printer body 1, is connected with metal 3D printer body 1 through 3D printer connection frame 3, and X ray backscatter detection module 2's scanning direction is vertical decurrent.
As shown in fig. 2, the metal 3D printer body 1 includes: printing and scanning platform 11, laser source 12, powder paving device 13, X-direction printing transmission structure 14, Y-direction printing transmission structure 15, Z-direction printing transmission structure 16, printing control system 17 and printer frame 18.
As shown in fig. 3, the printing and scanning platform 11 includes: a printing substrate 111, a Y-direction scanning transmission structure 112. The printing substrate 111 is a substrate for metal 3D printing, and both powder laying and printing work are performed on the printing substrate 111; when the X-ray backscatter detection module 2 performs one-dimensional flying spot scanning along the X direction, the Y-direction scanning transmission structure 112 is configured to drive the printing substrate 111 to move at a constant speed along the Y direction, thereby implementing two-dimensional backscatter scanning detection.
As shown in fig. 3 and 4, the powder spreading device 13 includes: a powder laying box 131 and a powder laying box transmission structure 132. The powder spreading box 131 is used for containing metal powder and spreading and leveling the metal powder on the printing substrate 111; the powder laying box transmission structure 132 is used for driving the powder laying box 131 to lay powder along the Y direction.
As shown in fig. 2 and 4, the laser source 12 may generate a high power laser for melting or sintering metal powder; the X-direction printing transmission structure 14 is used for driving the laser source 12 to move in the X direction for selecting regions; the Y-direction printing transmission structure 15 is used for driving the laser source 12 to move in the Y direction for selecting areas; the Z-direction printing transmission structure 16 is used for driving the printing and scanning platform 11 to move up and down in the Z direction so as to realize layer changing, powder laying and printing; the printer frame 18 is used for fixing the powder laying box transmission structure 132, the X-direction printing transmission structure 14, the Y-direction printing transmission structure 15, the Z-direction printing transmission structure 16 and the printing control system 17.
As shown in fig. 1, 2, 3, and 5, the print control system 17 includes: a print control cabinet 171, and a print control display 172. Wherein, print control machine case 171 installs in printer frame 18 bottom for metal 3D prints and synchronous quality testing in-process, and permission synchronization and logic control when carrying out relevant module part specifically include: the power control of the laser source 12, the control of the powder spreading device 13, the motion control of the X-direction printing transmission structure 14, the motion control of the Y-direction printing transmission structure 15, the motion control of the Z-direction printing transmission structure 16, and the motion control of the Y-direction scanning transmission structure 112. In addition, the printing control cabinet 171 receives the status signal returned by the X-ray backscatter detection module 2 for interlock control of the metal 3D printer body 1, and sends a pulse synchronization signal to the X-ray backscatter detection module 2 to implement a function of synchronous quality inspection in the metal 3D printing process.
As shown in fig. 6, the X-ray backscatter detection module 2 includes: the device comprises a back scattering module frame 21, an X-ray bulb tube support 22, an X-ray bulb tube 23, a flying spot forming assembly 24, a post collimator 25 and a detector 26. Wherein the backscatter module frame 21 is used for overall support and fixation of the X-ray backscatter detection module 2; an X-ray tube holder 22 secures an X-ray tube 23 on top of the back scatter module frame 21.
As shown in fig. 7, the flying spot forming assembly 24 includes: a front collimator 241, a chopper wheel 242, a servo motor 243, a servo motor support 244 and a shielding shell 245. The front collimator 241 is formed by processing a flange, is welded on the shielding shell 245, and is used for connecting the X-ray bulb tube 23; the shield case 245 houses the chopper wheel 242, the servo motor 243, and the servo motor holder 244 inside.
As shown in fig. 6 and 7, the X-ray tube 23 generates a cone beam, which is directed to the center of the pre-collimator 241; a slit is arranged at the center of the front collimator 241, and the light beam is collimated into a fan-shaped light beam after passing through the front collimator 241 and then irradiates on the chopper wheel 242; the servo motor 243 is equipped with an encoder to drive the chopper wheel 242 to rotate at high speed; the chopper wheel 242 is provided with a plurality of radially distributed slits, the region outside the slits is shielded by high atomic number materials, so that the part outside the slits of the chopper wheel 242 cannot transmit X-rays, the slits of only one chopper wheel 242 and the fan-shaped light beam transmitted through the pre-collimator 241 are simultaneously crossed, the fan-shaped light beam becomes a point light beam after passing through the chopper wheel 242, and one-dimensional high-speed line scanning is performed along the slit direction of the pre-collimator 241.
As shown in fig. 6 and 7, a slit at the center of the post-collimator 25 is aligned with the slit of the pre-collimator 241 for re-collimating the flying spot, and the post-collimator 25 is further used for fixing the flying spot shaping assembly 24 on the back-scattering module frame 21; the detector 26 is installed at the bottom of the back scattering module frame 21, and a slit is formed in the center of the detector 26 and aligned with the slit of the front collimator 241 and the slit of the rear collimator 25, so that the point beam can smoothly pass through the slit of the detector 26 to irradiate the object to be detected, and then the point beam is back-scattered by the X-ray and collected by the detector 26.
The invention relates to a metal 3D printing device for synchronous quality inspection, which comprises the following working procedures:
in the first step, the print control system 17 starts an initialization command to initialize the positions of the X-direction print transmission structure 14, the Y-direction print transmission structure 15, the Z-direction print transmission structure 16, the Y-direction scanning transmission structure 112, and the powder spreading device 13.
In the second step, the printing control system 17 controls the powder spreading device 13 to spread the first layer of metal powder on the printing substrate 111 and then returns to the initialization position.
And thirdly, the printing control system 17 controls the X-direction printing transmission structure 14 and the Y-direction printing transmission structure 15 to move the laser source 12 to a first printing point, then the printing control system 17 starts the laser source 12 to start printing, synchronously controls the X-direction printing transmission structure 14 and the Y-direction printing transmission structure 15 to drive the laser source 12 to perform two-dimensional printing, and returns to the initialization position after the two-dimensional printing is finished.
Fourthly, the printing control system 17 receives the status signal returned by the X-ray backscatter detection module 2, and if the read status signal is Ready, sends a pulse synchronization signal to the X-ray backscatter detection module 2 to start one-dimensional scanning detection along the X direction, and synchronously controls the Y-direction scanning transmission structure 112 to drive the printing substrate 111 to perform uniform motion along the Y direction, so as to implement two-dimensional scanning detection, and after the detection is finished, the Y-direction scanning transmission structure 112 is restored to the initialization position. And if the result of the detection of the X-ray backscatter detection module 2 is that a printing defect exists, stopping a subsequent 3D printing process and directly jumping to the sixth step.
And fifthly, the printing control system 17 controls the Z-direction printing transmission structure 16 to drive the printing and scanning platform 11 to move downwards by a printing layer thickness, and the processes of the second step, the third step and the fourth step are repeated.
And sixthly, finishing the metal 3D printing. If the X-ray backscatter detection module 2 detects that there is a print defect, the process of metal 3D printing can be optimized by adjusting the power of the laser source 12 or the single-point printing time after the analysis.
The above description is only for the best mode of the invention and the examples are not intended to limit the scope of the invention, so that any equivalent structural changes made by using the contents of the specification and the drawings should be included in the scope of the invention.
Claims (10)
1. The utility model provides a metal 3D printing device of synchronous quality control which characterized in that includes: metal 3D printer body, X ray backscatter detection module, 3D printer connection frame.
2. The metal 3D printing device of synchronous quality control of claim 1, characterized in that, metal 3D printer body is including printing and scanning platform, laser source, shop's powder device, X direction print drive structure, Y direction print drive structure, Z direction print drive structure, printing control system, printer frame, print and scanning platform including printing base plate, Y direction scanning drive structure, it is the base plate that metal 3D printed to print the base plate, shop's powder and print all go on the base plate, Y direction scanning drive structure drives when being used for scanning detection and prints the base plate and carry out the uniform velocity removal along the Y direction, shop's powder device is fixed on the printer frame and install in print and scanning platform top.
3. The metal 3D printing device for synchronous quality inspection according to claim 2, wherein the printing control system comprises a printing control cabinet and a printing control display, wherein the printing control cabinet is installed at the bottom of a printer frame and used for controlling the power of the laser source, the powder spreading device, the X-direction printing transmission structure, the Y-direction printing transmission structure, the Z-direction printing transmission structure, the Y-direction scanning transmission structure and the X-ray backscatter detection module in the metal 3D printing process.
4. The metal 3D printing device for synchronous quality inspection according to claim 3, wherein the printing control cabinet is capable of receiving a status signal returned by the X-ray backscatter detection module for linkage control of the metal 3D printer body and sending a pulse synchronization signal to the X-ray backscatter detection module to realize a function of synchronous quality inspection in the metal 3D printing process.
5. The metal 3D printing device for synchronous quality inspection according to claim 1, wherein the X-ray backscatter detection module comprises a backscatter module frame, an X-ray bulb tube support, an X-ray bulb tube, a flying spot forming assembly, a rear collimator and a detector, the X-ray backscatter detection module is mounted right above the metal 3D printer body and connected with the metal 3D printer body through the 3D printer connection frame, and the scanning direction of the X-ray backscatter detection module is vertically downward.
6. The synchronous quality inspection metal 3D printing apparatus according to claim 5, wherein the backscatter module frame is used for overall support and fixation of an X-ray backscatter detection module, and the X-ray tube support fixes the X-ray tube on top of the backscatter module frame.
7. The metal 3D printing device for synchronous quality inspection according to claim 5, wherein the flying spot forming assembly comprises a pre-collimator, a chopper wheel, a servo motor bracket and a shielding housing, the pre-collimator is formed by flange processing, has a slit in the center, is welded on the shielding housing and is used for connecting the X-ray bulb tube, the shielding housing covers the chopper wheel, the servo motor and the servo motor bracket inside, the servo motor vertically drives the chopper wheel to rotate downwards, and the servo motor bracket fixes the servo motor inside the shielding housing.
8. The metal 3D printing device for synchronous quality inspection according to claim 5 or 7, wherein a slit at the center of the post-collimator is aligned with the slit of the pre-collimator for re-collimating the flying spot, and the post-collimator is further used for fixing the flying spot forming assembly on the back scattering module frame.
9. The metal 3D printing device for synchronous quality inspection according to claim 5 or 7, wherein the detector is installed at the bottom of the back scattering module frame, and a slit is formed in the center of the detector and is aligned with the slit of the front collimator and the slit of the rear collimator.
10. The metal 3D printing device for synchronous quality inspection according to claim 1 or 2, wherein when the X-ray backscatter detection module detects a metal 3D printing defect, the printing process is terminated, and after the defect analysis is performed, the metal 3D printing process is optimized by adjusting the power of the laser source or the single-point printing time.
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| CN202211321910.0A CN115609018A (en) | 2022-11-02 | 2022-11-02 | Metal 3D printing device of synchronous quality control |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5181234A (en) * | 1990-08-06 | 1993-01-19 | Irt Corporation | X-ray backscatter detection system |
| US5260982A (en) * | 1991-05-31 | 1993-11-09 | Kabushiki Kaisha Toshiba | Scattered radiation imaging apparatus |
| CN102680501A (en) * | 2012-05-26 | 2012-09-19 | 中国人民解放军信息工程大学 | Collimation system for X-ray backscatter scanner |
| CN104764759A (en) * | 2015-04-01 | 2015-07-08 | 中国原子能科学研究院 | Jumper flying-spot scanning device for X-ray backscatter imaging system |
| US20180126670A1 (en) * | 2016-11-07 | 2018-05-10 | General Electric Company | Method and system for x-ray backscatter inspection of additive manufactured parts |
| CN212693641U (en) * | 2020-06-10 | 2021-03-12 | 浙江云特森科技有限公司 | Flying spot scanning device and security check equipment |
| EP3831577A1 (en) * | 2019-12-06 | 2021-06-09 | Commissariat à l'Energie Atomique et aux Energies Alternatives | Method and system for 3d inspection of a part during manufacturing by an additive type process |
| CN113834834A (en) * | 2021-10-12 | 2021-12-24 | 奕瑞影像科技成都有限公司 | Back scattering imaging device and back scattering detection system |
| CN114226765A (en) * | 2021-12-16 | 2022-03-25 | 北京航空航天大学 | LPBF additive manufacturing device and method with in-situ monitoring function |
| CN115165894A (en) * | 2022-06-22 | 2022-10-11 | 广东工业大学 | Laser additive manufacturing online detection method |
-
2022
- 2022-11-02 CN CN202211321910.0A patent/CN115609018A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5181234A (en) * | 1990-08-06 | 1993-01-19 | Irt Corporation | X-ray backscatter detection system |
| US5181234B1 (en) * | 1990-08-06 | 2000-01-04 | Rapiscan Security Products Inc | X-ray backscatter detection system |
| US5260982A (en) * | 1991-05-31 | 1993-11-09 | Kabushiki Kaisha Toshiba | Scattered radiation imaging apparatus |
| CN102680501A (en) * | 2012-05-26 | 2012-09-19 | 中国人民解放军信息工程大学 | Collimation system for X-ray backscatter scanner |
| CN104764759A (en) * | 2015-04-01 | 2015-07-08 | 中国原子能科学研究院 | Jumper flying-spot scanning device for X-ray backscatter imaging system |
| US20180126670A1 (en) * | 2016-11-07 | 2018-05-10 | General Electric Company | Method and system for x-ray backscatter inspection of additive manufactured parts |
| EP3831577A1 (en) * | 2019-12-06 | 2021-06-09 | Commissariat à l'Energie Atomique et aux Energies Alternatives | Method and system for 3d inspection of a part during manufacturing by an additive type process |
| CN212693641U (en) * | 2020-06-10 | 2021-03-12 | 浙江云特森科技有限公司 | Flying spot scanning device and security check equipment |
| CN113834834A (en) * | 2021-10-12 | 2021-12-24 | 奕瑞影像科技成都有限公司 | Back scattering imaging device and back scattering detection system |
| CN114226765A (en) * | 2021-12-16 | 2022-03-25 | 北京航空航天大学 | LPBF additive manufacturing device and method with in-situ monitoring function |
| CN115165894A (en) * | 2022-06-22 | 2022-10-11 | 广东工业大学 | Laser additive manufacturing online detection method |
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