CN114994094A - SLM material increase manufacturing metal component automatic ray detection device and method - Google Patents

SLM material increase manufacturing metal component automatic ray detection device and method Download PDF

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Publication number
CN114994094A
CN114994094A CN202210440748.8A CN202210440748A CN114994094A CN 114994094 A CN114994094 A CN 114994094A CN 202210440748 A CN202210440748 A CN 202210440748A CN 114994094 A CN114994094 A CN 114994094A
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assembly
shaped arm
arm mechanism
component
robot
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刘贞
刘国增
赵灿
秦建刚
纪艳卿
王永红
彭东剑
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Xian Aerospace Engine Co Ltd
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Xian Aerospace Engine Co Ltd
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Priority to CN202210440748.8A priority Critical patent/CN114994094A/en
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J11/00—Manipulators not otherwise provided for
    • 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
    • B33Y80/00—Products made by additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G37/00—Combinations of mechanical conveyors of the same kind, or of different kinds, of interest apart from their application in particular machines or use in particular manufacturing processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
    • B65G47/90—Devices for picking-up and depositing articles or materials
    • 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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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Robotics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

The invention relates to an automatic ray detection device for an SLM material increase manufacturing metal component, and belongs to the technical field of nondestructive detection. The device comprises an annular conveying line assembly, a robot assembly, a clamp table assembly, a carrier assembly, a first C-shaped arm mechanism assembly, a micro-focus C-shaped arm mechanism assembly and a computer control system; the annular conveying line assemblies are arranged on the inner side and the outer side of the lead door and can perform closed-loop movement towards one direction; the computer control system sends the parameter instructions of the X-ray source and the digital imaging plate and the motion instructions of the motion axes to the components, the part to be detected moves in place and the focal length is in place, the posture of the robot component is adjusted in place, and after the X-ray is started, the image information of the detected component is acquired and a product image meeting the image quality requirement is generated. The carrier loader automatically clamps, rotates and deflects the detected piece to adjust the transillumination angle, thereby improving the detection reliability and efficiency and reducing the labor intensity of operators.

Description

SLM material increase manufacturing metal component automatic ray detection device and method
Technical Field
The invention relates to an automatic ray detection device and method for SLM material increase manufacturing metal components, and belongs to the technical field of nondestructive detection.
Background
SLM additive manufacturing metal components are mostly complex structural components with cavities and flow channels, and the conventional manual X-ray radiographic detection method is low in efficiency and sensitivity; manual operation is performed to turn over the product for transillumination arrangement, the labor intensity is high, the consistency of the radiographic transillumination angles of the detected part is difficult to ensure, and the reliability of product detection is influenced; meanwhile, the conventional manual X-ray radiography detection method has the advantages of large focal spot size of a ray source, high geometric unsharpness of an image and low detection rate of tiny defects; the film thickness tolerance is low, and the film evaluation efficiency is influenced; low digitalization degree, difficult management and retrieval of negative images, large storage space occupation and environmental pollution caused by film developing/fixing liquid medicine.
Disclosure of Invention
The technical problem solved by the invention is as follows: the automatic digital ray detection method comprises the steps of feeding through an annular conveying line, grabbing a clamping component by a robot, or carrying a vehicle to carry the clamping component to automatically adjust and replace the transillumination angle, and improves the detection reliability and efficiency.
The technical scheme of the invention is as follows:
an automatic ray detection device and method for SLM material increase manufacturing metal components comprise an annular conveying line assembly, a robot assembly, a clamp platform assembly, a carrier vehicle assembly, a first C-shaped arm mechanism assembly, a micro-focus C-shaped arm mechanism assembly and a computer control system;
the annular conveying line assemblies are arranged on the inner side and the outer side of the lead door and can perform closed-loop movement towards one direction;
the first C-shaped arm mechanism assembly and the micro-focus C-shaped arm mechanism assembly are arranged on the same horizontal line, and a digital ray detection image of the component is obtained by emitting X rays through a ray source on the first C-shaped arm mechanism assembly and collecting signals through a flat panel detector;
the robot assembly is arranged between the annular conveying line assembly and the carrier assembly and can horizontally translate in the left-right direction, the robot assembly automatically selects a clamp from the clamp table assembly, then grabs and clamps the SLM material increase manufacturing metal component from the annular conveying line assembly to perform posture conversion, and the generation of a digital ray detection image is completed by matching with the first C-shaped arm mechanism assembly or the microfocus C-shaped arm mechanism assembly;
the carrier vehicle assembly is arranged between the robot assembly and the first C-shaped arm mechanism assembly/the microfocus C-shaped arm mechanism assembly, is used for bearing a member grabbed by the robot assembly or a manually placed member, can horizontally translate and move in the left-right direction and the front-back direction, and can rotate at any angle and perform +/-30-degree deflection motion;
the computer control system sends the X-ray source and digital imaging plate parameter instruction and the motion instruction of each motion axis to each assembly, the part to be detected moves in place and the focal length is in place, the posture of the robot assembly is adjusted in place, after the X-ray is started, the image information of the detected component is acquired, a product image meeting the image quality requirement is generated, and the internal quality of the product can be conveniently judged.
Furthermore, the annular conveying line assembly comprises an outer conveying line, a transition line and an inner conveying line, the detected component is fed from the outer conveying line, conveyed to the transition line and then conveyed to the inner conveying line in the lead room through the transition line for detection; and after the detection is finished, the detected member is conveyed to the transition line by the inner conveying line and then conveyed to the outer conveying line by the transition line for blanking.
Further, the robot assembly comprises a mechanical arm, a conversion joint and a linear guide rail, the conversion joint is installed on the mechanical arm, the mechanical arm is fixed on the linear guide rail, the linear guide rail drives the mechanical arm to do linear motion, and the mechanical arm drives the conversion joint to adjust the posture.
Further, the clamp table assembly comprises a clamp table and a clamp, and the clamp is placed on the clamp table.
Further, the carrier loader assembly comprises a rotary disc, a servo motor, a front transverse moving guide rail, a rear transverse moving guide rail, a left transverse moving guide rail and a right transverse moving guide rail, wherein the servo motor drives the rotary disc to rotate and deflect, the servo motor is fixed on the front transverse moving guide rail and the rear transverse moving guide rail which are fixed on the left transverse moving guide rail and the right transverse moving guide rail, the front transverse moving guide rail and the rear transverse moving guide rail drive the servo motor to perform front-back linear motion, and the left transverse moving guide rail and the right transverse moving guide rail drive the front transverse moving guide rail and the rear transverse moving guide rail to perform left-right linear motion.
Further, first C type arm mechanism subassembly includes that first ray tube, first ray tube visit the arm, first flat panel detector, first detector visit the arm, first C type arm grudging post, and on first ray tube visited the arm, first flat panel detector was fixed in on the first detector visited the arm, and first C type arm drive first ray tube visit the arm and first detector visit the arm rectilinear motion about, and first C type arm grudging post drive first C type arm carries out rectilinear motion from top to bottom.
Further, the micro-focus C-shaped arm mechanism assembly comprises a second ray tube, a second ray tube probe arm, a second flat panel detector, a second detector probe arm, a second C-shaped arm and a second C-shaped arm stand, wherein the second ray tube is fixed on the second ray tube probe arm, the second flat panel detector is fixed on the second detector probe arm, the second C-shaped arm drives the second ray tube probe arm and the second flat panel detector to move linearly left and right, and the second C-shaped arm stand drives the second C-shaped arm to move linearly up and down.
An automatic ray detection method for SLM (selective laser melting) additive manufacturing metal components comprises the following steps:
resetting before feeding: the robot assembly moves to one side of the clamp table assembly, and the first C-shaped arm mechanism assembly and the microfocus C-shaped arm mechanism assembly ascend to a certain height and do not interfere with the detected component;
feeding: the detected component is conveyed into the lead room by the annular conveying line assembly;
the robot assembly selects a mounting fixture on the fixture table assembly, moves to a specified position, and grabs and clamps the detected component on the annular conveying line assembly; or the detected component is grabbed and placed on the carrier vehicle component;
the first C-shaped arm mechanism component or the micro-focus C-shaped arm mechanism component to be operated moves to a specified position;
controlling and sending voltage, current, frame rate, integral time parameters, robot assembly motion parameters or carrier vehicle assembly motion parameters by a computer control system, starting rays and collecting detection images;
if the qualified image quality is acquired, controlling the motion parameters of the robot assembly or the motion of the carrier assembly, and switching to the next part to be detected; if unqualified image quality is acquired, controlling the motion parameters of the robot assembly or the motion of the carrier vehicle assembly, adjusting the position of the transillumination area, controlling the motion of the first C-shaped arm mechanism assembly or the microfocus C-shaped arm mechanism assembly, and adjusting the focal length, the voltage, the current, the frame rate and the integration times until a required detection image is obtained;
closing the ray, and compiling and detecting a next workpiece program of the same type according to the detection;
the first C-shaped arm mechanism assembly and the microfocus C-shaped arm mechanism assembly ascend, the robot assembly grabs the detected component to the annular conveying line assembly, and blanking is conducted.
Further, the carrier vehicle assembly is arranged between the robot assembly and the first C-shaped arm mechanism assembly/the microfocus C-shaped arm mechanism assembly, is used for bearing a component grabbed by the robot assembly or a manually placed component, and can horizontally translate and move in the left-right direction and the front-back direction.
Further, the vehicle assembly can rotate at any angle and perform +/-30-degree deflection motion.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, the 320Kv small focus ray source and the second ray tube micro focus ray source reduce the geometric unsharpness of the detected image and improve the detection sensitivity;
(2) the robot automatically grabs and clamps the detected piece, and automatically arranges the transillumination angle through posture adjustment, thereby improving the detection consistency, reliability and efficiency and reducing the labor intensity of operators;
(3) the carrier loader automatically clamps, rotates and swings the detected piece to adjust the transillumination angle, so that the detection reliability and efficiency are improved, and the labor intensity of operators is reduced;
(4) the invention obtains digital images through the high dynamic range flat panel detector, and improves the image contrast and resolution.
Drawings
FIG. 1 is a schematic view of an automatic radiation detection apparatus for SLM additive manufacturing of metal components according to an embodiment of the present invention;
FIG. 2 is a schematic view of an endless conveyor line assembly of the present invention;
FIG. 3 is a schematic view of a robotic assembly of the present invention;
FIG. 4 is a schematic view of a fixture table assembly of the present invention;
FIG. 5 is a schematic view of a vehicle assembly of the present invention;
FIG. 6 is a schematic view of a first C-arm mechanism assembly of the present invention;
fig. 7 is a schematic view of a micro-focus C-arm mechanism assembly in the present invention.
Detailed Description
The invention is further illustrated by the following examples.
As shown in fig. 1, an automatic ray detection device for SLM additive manufacturing metal components comprises an annular conveying line assembly 1, a robot assembly 2, a clamp table assembly 3, a carrier loader assembly 4, a first C-shaped arm mechanism assembly 5, a microfocus C-shaped arm mechanism assembly 6 and a computer control system;
the device is placed in a lead room with a ray shielding effect to work. Wherein the endless conveyor line assembly can transport the SLM additive manufacturing hardware component from outside the lead chamber to inside the lead chamber for inspection; the robot assembly consists of a robot, a tool mechanism and a translation mechanism, the translation mechanism can drive the robot mechanism to move horizontally, and the robot mechanism clamping component carries out track transformation adaptive to the ray detection direction; the C-shaped arm stand provides driving and space for lifting the C-shaped arm; the SLM additive manufacturing metal component is placed and fixed on a vehicle assembly and can move in a front/back, left/right and rotating mode.
The annular conveying line assemblies 1 are arranged on the inner side and the outer side of the lead door and can perform closed-loop movement towards one direction;
the first C-shaped arm mechanism assembly 5 and the micro-focus C-shaped arm mechanism assembly 6 are arranged on the same horizontal line, and a digital ray detection image of a component is obtained by emitting X rays through a ray source on the first C-shaped arm mechanism assembly and collecting signals through a flat panel detector;
the first C-shaped arm mechanism assembly 5 and the micro-focus C-shaped arm mechanism assembly 6 are both provided with a ray source for emitting X rays; flat panel detectors are arranged in the first C-shaped arm mechanism assembly 5 and the microfocus C-shaped arm mechanism assembly 6 and are used for collecting signals;
the robot assembly 2 is arranged between the annular conveying line assembly 1 and the carrier loader assembly 4 and can horizontally translate and move in the left-right direction, the robot assembly 2 automatically selects a clamp from the clamp table assembly 3, then the SLM material increase manufacturing metal component is grabbed and clamped from the annular conveying line assembly 1 to perform posture conversion, and the generation of a digital ray detection image is completed by matching with the first C-shaped arm mechanism assembly 5 or the microfocus C-shaped arm mechanism assembly 6;
the carrier vehicle assembly 4 is arranged between the robot assembly 2 and the first C-shaped arm mechanism assembly/micro-focus C-shaped arm mechanism assembly 6, is used for bearing a member grabbed by the robot assembly 2 or a manually placed member, can horizontally translate and move in the left-right direction and the front-back direction, and can rotate at any angle and perform +/-30-degree deflection motion.
The first C-arm mechanism assembly 5 is a 320Kv C-arm mechanism assembly, wherein the radiation source is 320 Kv; the microfocus C-arm mechanism assembly 6 is a 225Kv microfocus C-arm mechanism assembly in which the radiation source is 225 Kv.
The computer control system sends the X-ray source and flat panel detector parameter instruction and the motion instruction to each component, the part to be detected moves in place and the focal length moves in place, the posture of the robot component 2 is adjusted in place, after the X-ray is started, the image information of the detected component is collected, a product image meeting the image quality requirement is generated, and the internal quality of the product can be conveniently judged.
As shown in fig. 2, the annular conveying line assembly 1 comprises an outer conveying line 11, a transition line 12 and an inner conveying line 13, wherein the detected component is fed from the outer conveying line 11, conveyed to the transition line 12, and then conveyed to the inner conveying line 13 in the lead room through the transition line 12 for detection; after detection, the detected component is conveyed to the transition line 12 by the inner conveying line 13, and then conveyed to the outer conveying line 11 by the transition line 12 for blanking.
As shown in fig. 3, the robot assembly 2 includes a robot arm 21, a crossover joint 22 and a linear guide 23, the crossover joint 22 is mounted on the robot arm 21, the robot arm 21 is fixed on the linear guide 23, the linear guide 23 drives the robot arm 21 to perform a linear motion, and the robot arm 21 drives the crossover joint 22 to perform a posture adjustment.
As shown in fig. 4, the jig stage assembly 3 includes a jig stage 31 and a jig 32, and the jig 32 is placed on the jig stage 31.
As shown in fig. 5, the carrier cart assembly 4 includes a turntable 41, a servo motor 42, a front-rear traverse guide 43 and a left-right traverse guide 44, the servo motor 42 drives the turntable 41 to rotate and shift, the servo motor 42 is fixed on the front-rear traverse guide 43, the front-rear traverse guide 43 is fixed on the left-right traverse guide 44, the front-rear traverse guide 43 drives the servo motor 42 to move linearly in the front-rear direction, and the left-right traverse guide 44 drives the front-rear traverse guide 43 to move linearly in the left-right direction.
As shown in fig. 6, the first C-arm mechanism assembly 5 includes a first tube 51, a first tube probe 52, a first flat panel detector 53, a first detector probe 54, a first C-arm 55, and a first C-arm stand 56, the first tube 51 is fixed to the first tube probe 52, the first flat panel detector 53 is fixed to the first detector probe 54, the first C-arm 55 drives the first tube probe 52 and the first detector probe 54 to move linearly in the left-right direction, and the first C-arm stand 56 drives the first C-arm 55 to move linearly in the up-down direction.
As shown in fig. 7, the microfocus C-arm mechanism assembly 6 includes a second tube 61, a second tube probe 62, a second flat panel detector 63, a second detector probe 64, a second C-arm 65, and a second C-arm stand 66, the second tube 61 is fixed to the second tube probe 62, the second flat panel detector 63 is fixed to the second detector probe 64, the second C-arm 65 drives the second tube probe 62 and the second flat panel detector 63 to move linearly in the left-right direction, and the second C-arm stand 66 drives the second C-arm 65 to move linearly in the up-down direction.
An automatic ray detection method for SLM additive manufacturing metal components comprises the following steps:
resetting before feeding: the robot assembly 2 moves to one side of the clamp table assembly 3, and the first C-shaped arm mechanism assembly 5 and the microfocus C-shaped arm mechanism assembly 6 rise to a certain height and do not interfere with the detected component;
feeding: the detected component is conveyed into a lead room by the annular conveying line assembly 1;
the robot assembly 2 selects an installation clamp on the clamp table assembly 3, moves to a specified position, and grabs and clamps a detected component on the annular conveying line assembly 1; or the detected component is grabbed and placed on the carrier vehicle assembly 4;
the first C-shaped arm mechanism component 5 or the microfocus C-shaped arm mechanism component 6 to be operated moves to a specified position;
the computer control system controls and sends voltage, current, frame rate, integral time parameters, robot assembly 2 motion parameters or carrier vehicle assembly 4 motion parameters, and starts rays and collects detection images;
if the qualified image quality is acquired, controlling the motion parameters of the robot assembly 2 or the carrier vehicle assembly 4 to move, and switching to the next part to be detected; if unqualified image quality is acquired, controlling the motion parameters of the robot component 2 or the motion of the carrier vehicle component 4, adjusting the position of the transillumination area, controlling the motion of the first C-shaped arm mechanism component 5 or the microfocus C-shaped arm mechanism component 6, and adjusting the focal length, the voltage, the current, the frame rate and the integration times until a required detection image is acquired;
closing the ray, and compiling and detecting a next workpiece program of the same type according to the detection;
the first C-shaped arm mechanism assembly 5 and the microfocus C-shaped arm mechanism assembly 6 ascend, the robot assembly 2 grabs the detected component to the annular conveying line assembly 1, and blanking is conducted.
The carrier vehicle assembly 4 is installed between the robot assembly 2 and the first C-shaped arm mechanism assembly/micro-focus C-shaped arm mechanism assembly 6, is used for bearing a member grabbed by the robot assembly 2 or a member manually placed, and can horizontally translate and move in the left-right direction and the front-back direction.
The carrier vehicle assembly 4 can rotate at any angle and perform +/-30-degree deflection movement.
According to the invention, the 320Kv small focus ray source and the second ray tube micro focus ray source reduce the geometric unsharpness of the detected image and improve the detection sensitivity;
the robot automatically grabs and clamps the detected piece, and automatically arranges the transillumination angle through posture adjustment, thereby improving the detection consistency, reliability and efficiency and reducing the labor intensity of operators;
the carrier loader automatically clamps, rotates and swings the detected piece to adjust the transillumination angle, so that the detection reliability and efficiency are improved, and the labor intensity of operators is reduced;
according to the invention, the digital image is obtained through the high dynamic range digital imaging plate, and the image processing is carried out to obtain the characteristic image of the internal defect of the SLM material increase manufacturing metal component, so that the image contrast and the resolution are improved.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make variations and modifications of the present invention without departing from the spirit and scope of the present invention by using the methods and technical contents disclosed above.

Claims (10)

1. The automatic ray detection device for the SLM metal component is characterized by comprising an annular conveying line assembly (1), a robot assembly (2), a clamp table assembly (3), a carrier assembly (4), a first C-shaped arm mechanism assembly (5), a microfocus C-shaped arm mechanism assembly (6) and a computer control system;
the annular conveying line assemblies (1) are arranged on the inner side and the outer side of the lead door and can perform closed-loop movement towards one direction;
the first C-shaped arm mechanism assembly (5) and the micro-focus C-shaped arm mechanism assembly (6) are arranged on the same horizontal line, and radiation sources are arranged in the first C-shaped arm mechanism assembly (5) and the micro-focus C-shaped arm mechanism assembly (6) and are used for emitting X rays; flat panel detectors are arranged in the first C-shaped arm mechanism assembly (5) and the micro-focus C-shaped arm mechanism assembly (6) and are used for collecting signals; finally, obtaining a digital ray detection image of the component;
the robot assembly (2) is arranged between the annular conveying line assembly (1) and the carrier assembly (4) and can horizontally translate in the left-right direction, the robot assembly (2) automatically selects a clamp from the clamp table assembly (3), then a SLM material increase manufacturing metal component is grabbed and clamped from the annular conveying line assembly (1) to perform posture conversion, and a digital ray detection image is generated by matching with the first C-shaped arm mechanism assembly (5) or the microfocus C-shaped arm mechanism assembly (6);
the carrier vehicle assembly (4) is arranged between the robot assembly (2) and the first C-shaped arm mechanism assembly (5) or the carrier vehicle assembly (4) is arranged between the robot assembly (2) and the microfocus C-shaped arm mechanism assembly (6), is used for bearing a component grabbed by the robot assembly (2) or a manually placed component, can horizontally translate in the left-right direction and the front-back direction, and can rotate at any angle and perform +/-30-degree deflection motion;
the computer control system sends parameter instructions and motion instructions of the ray source and the flat panel detector to the annular conveying line assembly (1), the robot assembly (2), the clamp platform assembly (3), the carrier vehicle assembly (4), the first C-shaped arm mechanism assembly (5) and the micro-focus C-shaped arm mechanism assembly (6), a part to be detected moves in place, the focal length is in place, the posture of the robot assembly (2) is adjusted in place, after X rays are started, image information of the detected component is collected, a product image meeting the image quality requirement is generated, and the internal quality of the product is judged.
2. An SLM additive manufactured metal part automated radiation detection apparatus according to claim 1, C h a r a C-arm mechanism assembly (5) with a radiation source of 320 Kv; the radiation source in the microfocus C-arm mechanism assembly (6) is 225 Kv.
3. The automatic ray detection device for the SLM metal component is characterized in that the annular conveying line assembly (1) comprises an outer conveying line (11), a transition line (12) and an inner conveying line (13), the detected component is fed from the outer conveying line (11), conveyed to the transition line (12) and then conveyed to the inner conveying line (13) in a lead room through the transition line (12) for detection; after detection, the detected component is conveyed to the transition line (12) by the inner conveying line (13), and then conveyed to the outer conveying line (11) by the transition line (12) for blanking.
4. The automatic radiation detection device for the SLM metal component according to claim 1 or 2, wherein the robot assembly (2) comprises a mechanical arm (21), a conversion joint (22) and a linear guide rail (23), the conversion joint (22) is mounted on the mechanical arm (21), the mechanical arm (21) is fixed on the linear guide rail (23), the linear guide rail (23) drives the mechanical arm (21) to move linearly, and the mechanical arm (21) drives the conversion joint (22) to perform posture adjustment.
5. An SLM additive manufactured metal part automated radiation detection apparatus according to claim 1 or 2, characterized in that the gripper stage assembly (3) comprises a gripper stage (31) and a gripper (32), the gripper (32) being placed on the gripper stage (31).
6. The SLM automatic ray detection device for metal components manufactured by the SLM as claimed in claim 1 or 2, wherein the vehicle assembly (4) comprises a turntable (41), a servo motor (42), a front-back traverse guide (43) and a left-right traverse guide (44), the servo motor (42) drives the turntable (41) to rotate and shift, the servo motor (42) is fixed on the front-back traverse guide (43), the front-back traverse guide (43) is fixed on the left-right traverse guide (44), the front-back traverse guide (43) drives the servo motor (42) to move linearly back and forth, and the left-right traverse guide (44) drives the front-back traverse guide (43) to move linearly left and right.
7. The SLM additive manufacturing metal component automatic ray detection device according to claim 1 or 2, wherein the first C-shaped arm mechanism assembly (5) comprises a first ray source (51), a first ray tube probe arm (52), a first flat panel detector (53), a first detector probe arm (54), a first C-shaped arm (55) and a first C-shaped arm stand (56), the 320KV first ray source (51) is fixed on the first ray tube probe arm (52), the first flat panel detector (53) is fixed on the first detector probe arm (54), the first C-shaped arm (55) drives the first ray tube probe arm (52) and the first detector probe arm (54) to move linearly left and right, and the first C-shaped arm stand (56) drives the first C-shaped arm (55) to move linearly up and down.
8. The automatic radiation detection device for the SLM metal component according to claim 1 or 2, wherein the microfocus C-shaped arm mechanism assembly (6) comprises a second radiation source (61), a second tube probe arm (62), a second flat panel detector (63), a second detector probe arm (64), a second C-shaped arm (65) and a second C-shaped arm stand (66), the 225KV tube (61) is fixed on the second tube probe arm (62), the second flat panel detector (63) is fixed on the second detector probe arm (64), the second C-shaped arm (65) drives the second tube probe arm (62) and the second flat panel detector (63) to move linearly left and right, and the second C-shaped arm stand (66) drives the second C-shaped arm (65) to move linearly up and down.
9. An SLM additive manufacturing metal component automated ray detection method, comprising:
resetting before feeding: the robot assembly (2) moves to one side of the clamp table assembly (3), and the first C-shaped arm mechanism assembly (5) and the microfocus C-shaped arm mechanism assembly (6) rise to a certain height and do not interfere with the detected component;
feeding: the detected component is conveyed into a lead room by an annular conveying line assembly (1);
the robot assembly (2) selects an installation clamp on the clamp table assembly (3), moves to a designated position, and grabs and clamps the detected component on the annular conveying line assembly (1); or the detected component is grabbed and placed on the carrier component (4);
the first C-shaped arm mechanism component (5) or the microfocus C-shaped arm mechanism component (6) to be operated moves to a specified position;
the computer control system controls and sends parameters of voltage, current, frame rate and integration times, or sends motion parameters of the robot assembly (2), or sends motion parameters of the carrier assembly (4), and the computer control system starts rays and collects detection images;
if the quality of the acquired qualified image is qualified, the computer control system controls the motion parameters of the robot assembly (2) or controls the motion parameters of the carrier assembly (4) to be switched to the next part to be detected; if unqualified image quality is acquired, the computer control system controls the motion parameters of the robot assembly (2) or the motion parameters of the carrier assembly (4), adjusts the position of the transillumination area, controls the first C-shaped arm mechanism assembly (5) or the microfocus C-shaped arm mechanism assembly (6) to move, and adjusts the focal length, voltage, current, frame rate and integration times until a required detection image is acquired;
closing the ray, and compiling and detecting a next workpiece program of the same type according to the detection;
the first C-shaped arm mechanism assembly (5) and the microfocus C-shaped arm mechanism assembly (6) ascend, the robot assembly (2) grabs the detected component to the annular conveying line assembly (1), and blanking is conducted.
10. The automatic ray detection method for the SLM metal component in the additive manufacturing process is characterized in that a carrier vehicle assembly (4) is installed between a robot assembly (2) and a first C-shaped arm mechanism assembly (5) or the carrier vehicle assembly (4) is installed between the robot assembly (2) and a micro-focus C-shaped arm mechanism assembly (6), and a component for grabbing by the robot assembly (2) or a manually placed component can horizontally translate in the left-right direction and the front-back direction and can rotate at any angle and perform a swing motion of +/-30 degrees.
CN202210440748.8A 2022-04-25 2022-04-25 SLM material increase manufacturing metal component automatic ray detection device and method Pending CN114994094A (en)

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CN106706671A (en) * 2016-11-08 2017-05-24 上海航天精密机械研究所 Small inner diameter cylinder microfocus rod anode X-ray automatic detection device and detection method
WO2018120597A1 (en) * 2016-12-26 2018-07-05 广东电网有限责任公司电力科学研究院 X-ray testing and linear three-dimensional scanning and imaging device for gis apparatus
CN111965202A (en) * 2020-09-15 2020-11-20 丹东华日理学电气有限公司 Refractory material's digital flat-panel imaging X ray detection device
CN113406122A (en) * 2021-06-15 2021-09-17 北京航星机器制造有限公司 Double-mechanical-arm digital ray detection device and automatic detection method
CN215263210U (en) * 2021-06-15 2021-12-21 北京航星机器制造有限公司 Digital ray detection device
CN114113163A (en) * 2021-12-01 2022-03-01 北京航星机器制造有限公司 Automatic digital ray detection device and method based on intelligent robot

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106706671A (en) * 2016-11-08 2017-05-24 上海航天精密机械研究所 Small inner diameter cylinder microfocus rod anode X-ray automatic detection device and detection method
WO2018120597A1 (en) * 2016-12-26 2018-07-05 广东电网有限责任公司电力科学研究院 X-ray testing and linear three-dimensional scanning and imaging device for gis apparatus
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