CN113370051A - Airbag tool fatigue ray nondestructive testing device and automatic testing method thereof - Google Patents
Airbag tool fatigue ray nondestructive testing device and automatic testing method thereof Download PDFInfo
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- CN113370051A CN113370051A CN202110633998.9A CN202110633998A CN113370051A CN 113370051 A CN113370051 A CN 113370051A CN 202110633998 A CN202110633998 A CN 202110633998A CN 113370051 A CN113370051 A CN 113370051A
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- guide rail
- detection
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- 238000009659 non-destructive testing Methods 0.000 title claims abstract description 36
- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 120
- 230000001681 protective effect Effects 0.000 claims abstract description 32
- 239000007769 metal material Substances 0.000 claims abstract description 7
- 238000007689 inspection Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 7
- 230000007547 defect Effects 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 4
- 238000003384 imaging method Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 230000037303 wrinkles Effects 0.000 claims description 3
- 230000007774 longterm Effects 0.000 abstract 1
- 238000005498 polishing Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000005855 radiation Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- 239000008358 core component Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
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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
Abstract
The air bag tool fatigue ray nondestructive detection device and the automatic detection method thereof comprise a ray nondestructive detection box, an in-place cylinder type guide rail and a movable lifting frame; the ray nondestructive testing box comprises a ray transmitting module, an image receiving plate, a testing box workbench, a protective shell and an image processing system; the protective shell is used as a carrier of the ray nondestructive testing box and is used for fixing the ray transmitting module, the image receiving plate and the testing box workbench; the ray nondestructive testing box is connected with the in-place cylinder type guide rail or the mobile lifting frame, so that the airbag tool is adjusted in a ray range under two working modes of testing or offline testing to obtain a state image of a metal material structure of the airbag tool, and then fatigue characteristics are extracted to complete nondestructive testing. The invention can qualitatively and accurately detect and analyze the fatigue damage condition of the air bag tool and has an intuitive image for long-term storage.
Description
Technical Field
The invention relates to the field of nondestructive testing of machine tool cutters, in particular to a nondestructive testing device for fatigue rays of an air bag tool and an automatic testing method thereof.
Background
The key structure of the air bag tool is a spherical crown part, and the air bag tool is characterized in that an inner layer and an outer layer are made of rubber materials, the middle part is made of metal materials, and the air bag tool is subjected to the working characteristics of repeated loading of tensile pulsating stress load in the processing process, so that damage generated in the processing process can be accumulated to cause plastic deformation of the metal layer, and the plastic deformation is more serious along with the time lapse, so that the fatigue damage of the whole service life of the air bag tool only reflects the early mechanical property degradation stage, the initial damage stage and the accumulation stage of the traditional fatigue damage in the polishing operation, namely, the service life approaching period of the air bag tool is determined when the serious plastic deformation influences the processing quality of the air bag tool head.
To gasbag instrument at present there is not the detecting instrument to its fatigue life, and the ball crown part preliminary judgement of gasbag instrument is touched through naked eye observation and hand to the one side in the actual use gasbag process, and on the other hand comes indirect reflection gasbag instrument whether can satisfy the user demand through the work piece quality that the gasbag instrument was processed, and this kind of mode requires that operating personnel will possess certain experience and the accuracy is relatively poor.
The wearing of the air bag tool causes fatigue plastic deformation and defects of the metal layer, and the air bag tool is detached from the machine tool regularly for manual detection, so that the detachment and the assembly of the air bag tool are complicated and time-consuming.
Disclosure of Invention
The invention aims to solve the problem that the service performance of an air bag tool is reduced due to fatigue plastic deformation and defects caused by easy abrasion in the using process of the air bag tool in the prior art, and provides a fatigue ray nondestructive testing device for the air bag tool to carry out on-site and off-line detection on the air bag tool, acquire the state information of the air bag tool, evaluate the abrasion condition of the air bag tool and judge whether the service life is reached.
In order to achieve the purpose, the invention adopts the following technical scheme:
the air bag tool fatigue ray nondestructive testing device comprises a ray nondestructive testing box, an in-place cylinder type guide rail and a movable lifting frame; the ray nondestructive testing box comprises a ray transmitting module, an image receiving plate, a testing box workbench, a protective shell and an image processing system; the protective shell is used as a carrier of the ray nondestructive testing box and is used for fixing the ray transmitting module, the image receiving plate and the testing box workbench; the ray nondestructive testing box is connected with the in-place cylinder type guide rail or the mobile lifting frame, so that the airbag tool is adjusted in a ray range under two working modes of testing or offline testing to obtain a state image of a metal material structure of the airbag tool, and then fatigue characteristics are extracted to complete nondestructive testing.
The ray transmitting module comprises a ray transmitter and a transmitter moving platform, and after the air bag tool is placed on the detection box workbench or is brought between the ray transmitting module and the image receiving plate by the machine tool, the transmitter moving platform adjusts the movable ray transmitter to be matched with the linkage of the detection box workbench or the machine tool to move the air bag tool, so that the ray can pass through the part to be collected and then the image receiving plate receives the image.
The transmitter mobile station comprises an upper linear module and a lower linear module which are vertically overlapped, each linear module is moved by a sliding block on a ball screw driving screw rod, the lower linear module is connected with the inner wall of the protective shell, and the sliding block of the upper linear module is connected with the base of the ray transmitter.
The detection box workbench comprises an upper linear module and a lower linear module which are vertically overlapped, each linear module is moved by a sliding block on a ball screw driving screw rod, the lower linear module is connected with the inner wall of the protective shell, and the sliding block of the upper linear module is connected with the table top of the detection box workbench.
The protective shell is formed by pressing a radiation-proof material and a high-strength material layer, plays the roles of preventing radiation and serving as a carrier of the ray nondestructive testing box, lead cloth is fixed on through holes on two sides of the protective shell, the protective shell has the function of preventing radiation from leaking after an air bag tool reaches the inside of the ray nondestructive testing box, the inner wall of the protective shell is used for fixing the ray transmitting module, the image receiving plate and the testing box workbench, and the outer wall of the protective shell can be connected with the in-place cylinder type guide rail and the mobile lifting frame.
The in-place cylinder type guide rail comprises an in-place guide rail workbench, a linear cylinder, an in-place guide rail base, an in-place guide rail and a sliding block; the in-place guide rail is fixed on the in-place guide rail base and is connected with the in-place guide rail and the in-place guide rail workbench through a sliding block, one end of the linear cylinder is fixed on the in-place guide rail base, and the other end of the linear cylinder is fixed on the in-place guide rail workbench; when the detection device is in-place, the protective shell of the ray nondestructive detection box and the in-place guide rail workbench are assembled and then installed on one side of the machine tool, during detection, the in-place cylinder type guide rail controls the ray nondestructive detection box to be close to the air bag tool, and then the ray emission module is matched with the machine tool to drive the air bag tool to be linked and adjusted to a proper position to complete detection.
The movable lifting frame comprises a worm gear lead screw lifting table, a U-shaped table, pulleys, a lifting support plate and crossed roller guide rails; the width and the length of the inner side of the U-shaped table are consistent with the width of a workbench of a machine tool, table legs of the U-shaped table are connected with pulleys, and a table top of the U-shaped table is used for fixing a worm gear screw rod lifting table; the worm gear lead screw lifting platform is connected with the crossed roller guide rail through a lifting supporting plate; when the detection device is in an off-line detection mode, the crossed roller guide rails are connected with the protective shell of the ray nondestructive detection box, during detection, the ray nondestructive detection box is moved to the air bag tool of the machine tool by the movable lifting frame to be matched with the air bag tool to complete on-site detection of the air bag tool, and the air bag tool can also be installed on a detection box workbench of the detection device after being detached to perform off-line detection of the air bag tool.
According to the automatic detection method of the fatigue ray nondestructive detection device for the air bag tool, ray detection is carried out on the air bag tool through a ray emitter of the ray nondestructive detection device, the image processing system can obtain an image of a metal material structure received by the image receiving plate, can visually present a damaged condition image of a metal layer and automatically name and store image information, then fatigue characteristics in the image are extracted through an image processing algorithm, the fatigue damaged condition is qualitatively analyzed, a threshold value of the damaged degree is set according to the extracted fatigue characteristics to evaluate whether the service life of the air bag tool is reached, and if the serious wear reaches the service life, the air bag tool is alarmed to be replaced.
The fatigue characteristics comprise defect points, wrinkle lines and pit surface information generated by fatigue of the air bag tool.
The image receiving plate and the ray transmitter adopt a digital ray imaging system to receive images after passing through the air bag tool, and the ray transmitter uses low voltage of 20-100 Kv.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
the fatigue ray nondestructive detection device for the air bag tool is divided into two working modes: the detection device is in an on-line detection mode and the detection device is in an off-line detection mode. The ray nondestructive testing box is a core component of the invention, the ray nondestructive testing box is connected with an in-place cylinder type guide rail and then fixed on a stand column of a machine tool, and the machine tool is matched to drive an air bag tool to complete in-place detection of the air bag tool under the in-place mode of the testing device; the ray nondestructive testing box is placed on the movable lifting frame to form a testing device offline testing mode, the ray nondestructive testing box is moved to an air bag tool of the machine tool to be matched with the air bag tool to complete in-place testing of the air bag tool in the mode, and the air bag tool can also be detached and then installed on a workbench of the testing device to perform offline testing of the air bag tool.
According to the method, after the image of the metal material structure is obtained, the damage condition of the metal layer can be visually observed, the image information is automatically named and stored, then the fatigue characteristic is extracted by the image processing system, the fatigue damage condition is qualitatively analyzed, and whether the service life of the airbag tool is reached or not is evaluated according to the set damage degree threshold value.
The invention carries out in-place detection on the air bag tool, can reduce the auxiliary time and the working place arrangement time brought by the maintenance and the inspection of the air bag tool head in the production process, and improves the production efficiency.
Drawings
FIG. 1 is a schematic structural diagram of the present embodiment;
FIG. 2 is a schematic structural diagram of a nondestructive ray inspection box;
FIG. 3 is a schematic cross-sectional view of a balloon tool;
FIG. 4 is a schematic side view of the detection device operating in the bit detection mode;
FIG. 5 is a schematic view of the detection apparatus in the in-place detection mode;
FIG. 6 is a schematic side view of the detection device operating in an off-line detection mode (detection of the airbag tool in place);
FIG. 7 is a schematic view of the detection apparatus operating in an off-line detection mode (detection of the airbag tool in place);
FIG. 8 is a schematic side view of the inspection apparatus operating in an off-line inspection mode (off-line inspection of the airbag tool);
FIG. 9 is a flow chart of an automatic detection technique for fatigue of an airbag tool.
Reference numerals: a radiation emitter 1; a linear module 11 on the ray emitter; a linear module 12 under the ray emitter; a protective casing 2; a lead cloth 21; a detection box worktable 3; a linear module 31 on the detection box worktable; a linearity module 32 under the detection box workbench; an air bag tool holder 33; an image receiving panel 4; an in-place guide rail base 51; a linear cylinder 52; in-place guide rails 53; an in-place rail table 54; a slider 55; a pulley 61; a U-shaped table 62; a worm screw elevating table 63; a lifting pallet 64; a cross roller guide 65; an air bag polishing machine 7; an airbag means 8.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
As shown in fig. 1 to 8, the present embodiment includes three major parts, namely, a ray nondestructive testing box, an in-place cylinder type guide rail and a mobile crane;
the ray nondestructive testing box is a core component for testing the fatigue state of the air bag tool, can collect the image information of the internal condition of the air bag tool and store visual image files for a long time, and the in-place air cylinder type guide rail and the mobile lifting frame are used as components for controlling the whole movement of the ray nondestructive testing box. The ray nondestructive testing box is connected with the in-place cylinder type guide rail or the mobile lifting frame, so that the airbag tool is adjusted in a ray range under two working modes of testing or offline testing to obtain a state image of a metal material structure of the airbag tool, and then fatigue characteristics are extracted to complete nondestructive testing.
The ray nondestructive testing box comprises a ray transmitting module, an image receiving plate 4, a testing box workbench 3, a protective shell 2 and an image processing system;
the protective shell 2 is formed by pressing a radiation-proof material and a high-strength material layer, plays a role of preventing radiation and serving as a carrier of the ray nondestructive testing box, lead cloth 21 is fixed on through holes on two sides of the protective shell, and has a function of preventing radiation from leaking outside after the airbag tool 8 reaches the interior of the ray nondestructive testing box, the inner wall of the protective shell is used for fixing the ray transmitting module, the image receiving plate 4 and the testing box workbench 3, and the outer wall of the protective shell can be connected with an in-place cylinder type guide rail and a mobile lifting frame;
the ray transmitting module comprises a ray transmitter 1 and a transmitter moving platform, and after the air bag tool 8 is placed on the detection box workbench 3 or is brought between the ray transmitting module and the image receiving plate 4 by the machine tool, the transmitter moving platform adjusts the movable ray transmitter 1 to be matched with the linkage of the detection box workbench 3 or the machine tool movable air bag tool 8, so that rays can pass through a part to be acquired and then the image receiving plate 4 receives an image;
the emitter moving platform comprises an upper linear module 11 of the ray emitter and a lower linear module 12 of the ray emitter which are vertically overlapped, each linear module is driven by a ball screw to move by a sliding block on the screw, the lower linear module is connected with the inner wall of the protective shell 2, and the sliding block of the upper linear module is connected with a base of the ray emitter 1;
the detection box workbench 3 comprises two linear modules 31 on the detection box workbench vertically overlapped and linear modules 32 on the detection box workbench, each linear module is moved by a sliding block on a ball screw driving screw rod, the lower linear modules are connected with the inner wall of the protective shell 2, and the sliding blocks on the upper linear modules are connected with the table top of the detection box workbench 3.
The in-place cylinder type guide rail comprises an in-place guide rail workbench 54, a linear cylinder 52, an in-place guide rail base 51, an in-place guide rail 53 and a slide block 55;
the in-place guide rail 53 is fixed on the in-place guide rail base 51 and is connected with the in-place guide rail 53 and the in-place guide rail workbench 54 through a sliding block 55, one end of the linear cylinder 52 is fixed on the in-place guide rail base 51, and the other end of the linear cylinder is fixed on the in-place guide rail workbench 54;
when the detection device is in-place, the protective shell 2 of the ray nondestructive detection box and the in-place guide rail workbench 54 are assembled and then installed on one side of a machine tool, during detection, the in-place cylinder type guide rail controls the ray nondestructive detection box to be close to the air bag tool 8, and then the ray emission module is matched with the machine tool to drive the air bag tool 8 to be linked and adjusted to a proper position to complete detection.
The mobile lifting frame comprises a worm gear lead screw lifting table 63, a U-shaped table 62, a pulley 61, a lifting supporting plate 64 and a crossed roller guide rail 65;
the width and the length of the inner side of the U-shaped table 62 are consistent with the width of a workbench of a machine tool, table legs of the U-shaped table 62 are connected with pulleys 61, and a table top of the U-shaped table 62 is used for fixing a worm gear screw lifting table 63; the worm gear lead screw lifting platform 63 is connected with the crossed roller guide rail 65 through the lifting support plate 64, and the crossed roller guide rail 65 is easy to realize high rigidity and high load movement, so that the ray nondestructive testing box can keep good levelness when the lifting platform cantilever is relatively moved;
when the detection device is in an off-line detection mode, the crossed roller guide rails 65 are connected with the protective shell 2 of the ray nondestructive detection box, during detection, the ray nondestructive detection box is moved to the air bag tool 8 of the machine tool by the movable lifting frame to be matched with the machine tool to complete on-site detection of the air bag tool 8, and the air bag tool 8 can also be installed on the detection box workbench 3 of the detection device after being detached to perform off-line detection of the air bag tool 8.
As shown in FIGS. 4-5, the detecting device of the present invention has the following in-situ detecting modes:
in the on-site detection mode of the detection device, the outer wall of the protective shell 2 of the ray nondestructive detection box and the on-site guide rail workbench 54 are assembled and then are installed on one side of the air bag polishing machine tool 7. At the beginning, the linear cylinder 52 is in a contraction state to enable the ray nondestructive detection box to be in a standby state, when the air bag tool 8 is detected in place, the linear cylinder 52 extends out to drive the in-place guide rail workbench 54 to control the ray nondestructive detection box to be close to the air bag tool 8, then the air bag polishing machine 7 drives the air bag tool 8 to move to the range of the ray, two linear dies vertically overlapped by the emitter moving table are matched with the linkage of the air bag polishing machine 7 to move the air bag tool 8, after the air bag tool 8 is finely adjusted to move the part to be acquired to the center of the ray range, the ray is emitted to form an image on the image receiving plate 4 after passing through the part to be acquired, and the image information is sent to the image processing system, and after the acquisition of the image information is finished, the linear cylinder 52 contracts to return to the initial position.
As shown in fig. 6 to 8, the off-line detection mode of the detection device of the present invention is as follows:
in the off-line detection mode of the detection device, the ray nondestructive detection box is connected with the crossed roller guide rail 65 on the mobile lifting frame and then can be moved and driven to a destination by the pulley 61. When the in-situ detection of the air bag tool 8 is finished in the mode, the ray nondestructive detection box is moved to be close to the air bag tool 8 of the air bag polishing machine tool 7 by moving the lifting frame, then the air bag polishing machine tool 7 drives the air bag tool 8, the worm screw lifting table 63 of the moving lifting frame and the crossed roller guide rail 65 drive the ray nondestructive detection box to lift and translate so as to place the air bag tool 8 in a ray range, finally, two linear dies vertically overlapped by the emitter moving table are matched with the linkage of the air bag polishing machine tool 7 to move the air bag tool 8, the micro-adjustment air bag tool 8 moves the part to be acquired to the center of the ray range, the emitted ray forms an image on the image receiving plate 4 after passing through the part to be acquired and sends image information to an image processing system, the air bag tool 8 is moved after the acquisition of the image information is finished, and the worm screw lifting table 63 and the crossed roller guide rail 65 return to the initial position, the in-place detection of the airbag tool 8 is completed. After the airbag tool 8 is detached, the airbag tool 8 can be mounted on the detection box workbench 3 for offline detection of the airbag tool 8, specifically, after the airbag tool 8 is fixed on the airbag tool clamp 33 of the detection box workbench 3, the emitter moving table and the detection box workbench 3 are linked to enable the part of the airbag tool 8 to be collected to move to the center of the ray range, then image information is collected, after the collection of the image information is finished, the airbag tool 8 is detached from the detection box workbench 3, and offline detection of the airbag tool 8 is completed.
The automatic detection method of the fatigue ray nondestructive detection device for the air bag tool 8 comprises the following steps:
the ray detection is widely applied to nondestructive testing of materials, and the ray detection ray can penetrate substances which cannot be penetrated by naked eyes to image the interior of a tested test piece, so that an intuitive damage condition image of the metal layer damage of the air bag tool 8 can be obtained through ray detection. In the embodiment, a digital ray imaging system is adopted to detect the airbag tool 8, the ray emitter 1 uses a low voltage of 20-100 Kv, in the ray detection process, after rays pass through a test piece to be detected, the image receiving plate 4 emits photoelectrons in proportion according to the energy of the rays striking on the plate, the emitted photoelectrons are converted into charges after photoelectric conversion, then the charges are converted into digital value information of each pixel, and the digital value information is converted into pixel points to form image information which can be stored for a long time.
Because the air bag tool 8 is connected with a spindle motor of the air bag polishing machine tool 7, and the base of the air bag tool 8 is perpendicular to the spindle, the detection mode that the base of the air bag tool 8 is parallel to the ray direction can be combined with the image recognition technology to realize in-place automatic detection, and the specific technical route refers to the flow chart of fig. 9. After receiving the digital value information of the image receiving plate 4, the image processing system can convert the digital value information into an image which visually represents the damage condition of the metal layer, automatically names and stores the image information, extracts fatigue characteristics in the image by an image processing algorithm, qualitatively analyzes the fatigue damage condition, wherein the fatigue characteristics comprise information such as defect points, wrinkle lines, pit surfaces and the like generated by fatigue of the air bag tool 8, and sets a damage degree threshold value according to the extracted fatigue characteristics to evaluate whether the air bag tool 8 reaches the service life or not. If the service life is reached due to serious abrasion, the air bag tool 8 is alarmed to be replaced.
Claims (10)
1. Fatigue ray nondestructive test device of gasbag instrument, its characterized in that: the device comprises a ray nondestructive testing box, an in-place cylinder type guide rail and a movable lifting frame; the ray nondestructive testing box comprises a ray transmitting module, an image receiving plate, a testing box workbench, a protective shell and an image processing system; the protective shell is used as a carrier of the ray nondestructive testing box and is used for fixing the ray transmitting module, the image receiving plate and the testing box workbench; the ray nondestructive testing box is connected with the in-place cylinder type guide rail or the mobile lifting frame, so that the airbag tool is adjusted in a ray range under two working modes of testing or offline testing to obtain a state image of a metal material structure of the airbag tool, and then fatigue characteristics are extracted to complete nondestructive testing.
2. The airbag tool fatigue ray nondestructive inspection apparatus of claim 1 wherein: the ray transmitting module comprises a ray transmitter and a transmitter moving platform, and after the air bag tool is placed on the detection box workbench or is brought between the ray transmitting module and the image receiving plate by the machine tool, the transmitter moving platform adjusts the movable ray transmitter to be matched with the linkage of the detection box workbench or the machine tool to move the air bag tool, so that the ray can pass through the part to be collected and then the image receiving plate receives the image.
3. The airbag tool fatigue ray nondestructive inspection apparatus of claim 2 wherein: the transmitter mobile station comprises an upper linear module and a lower linear module which are vertically overlapped, each linear module is moved by a sliding block on a ball screw driving screw rod, the lower linear module is connected with the inner wall of the protective shell, and the sliding block of the upper linear module is connected with the base of the ray transmitter.
4. The airbag tool fatigue ray nondestructive inspection apparatus of claim 1 wherein: the detection box workbench comprises an upper linear module and a lower linear module which are vertically overlapped, each linear module is moved by a sliding block on a ball screw driving screw rod, the lower linear module is connected with the inner wall of the protective shell, and the sliding block of the upper linear module is connected with the table top of the detection box workbench.
5. The airbag tool fatigue ray nondestructive inspection apparatus of claim 1 wherein: the protective shell is formed by pressing a radiation-proof material and a high-strength material layer, and lead cloth is fixed on through holes on two sides of the protective shell.
6. The airbag tool fatigue ray nondestructive inspection apparatus of claim 1 wherein: the in-place cylinder type guide rail comprises an in-place guide rail workbench, a linear cylinder, an in-place guide rail base, an in-place guide rail and a sliding block; the in-place guide rail is fixed on the in-place guide rail base and is connected with the in-place guide rail and the in-place guide rail workbench through a sliding block, one end of the linear cylinder is fixed on the in-place guide rail base, and the other end of the linear cylinder is fixed on the in-place guide rail workbench; when the detection device is in-place, the protective shell of the ray nondestructive detection box and the in-place guide rail workbench are assembled and then installed on one side of the machine tool, during detection, the in-place cylinder type guide rail controls the ray nondestructive detection box to be close to the air bag tool, and then the ray emission module is matched with the machine tool to drive the air bag tool to be linked and adjusted to a proper position to complete detection.
7. The airbag tool fatigue ray nondestructive inspection apparatus of claim 1 wherein: the movable lifting frame comprises a worm gear lead screw lifting table, a U-shaped table, pulleys, a lifting support plate and crossed roller guide rails; the width and the length of the inner side of the U-shaped table are consistent with the width of a workbench of a machine tool, table legs of the U-shaped table are connected with pulleys, and a table top of the U-shaped table is used for fixing a worm gear screw rod lifting table; the worm gear lead screw lifting platform is connected with the crossed roller guide rail through a lifting supporting plate; when the detection device is in an off-line detection mode, the crossed roller guide rails are connected with the protective shell of the ray nondestructive detection box, during detection, the ray nondestructive detection box is moved to the air bag tool of the machine tool by the movable lifting frame to be matched with the air bag tool to complete on-site detection of the air bag tool, and the air bag tool can also be installed on a detection box workbench of the detection device after being detached to perform off-line detection of the air bag tool.
8. The automatic detection method of the airbag tool fatigue ray nondestructive detection device according to any one of claims 1 to 7, characterized in that: ray detection is carried out on the air bag tool through a ray emitter of a ray nondestructive detection device, an image processing system receives digital value information of an image receiving plate, converts the digital value information into an image which visually presents the damage condition of the metal layer, automatically names and stores the image information, then fatigue characteristics in the image are extracted through an image processing algorithm, the fatigue damage condition is qualitatively analyzed, a threshold value of the damage degree is set according to the extracted fatigue characteristics to evaluate whether the service life of the air bag tool is reached or not, and if the serious wear reaches the service life, the air bag tool is alarmed to be replaced.
9. The automatic detection method of claim 8, wherein: the fatigue characteristics comprise defect points, wrinkle lines and pit surface information generated by fatigue of the air bag tool.
10. The automatic detection method of claim 8, wherein: the image receiving plate and the ray transmitter adopt a digital ray imaging system, and the ray transmitter uses low voltage of 20-100 Kv.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110633998.9A CN113370051A (en) | 2021-06-07 | 2021-06-07 | Airbag tool fatigue ray nondestructive testing device and automatic testing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110633998.9A CN113370051A (en) | 2021-06-07 | 2021-06-07 | Airbag tool fatigue ray nondestructive testing device and automatic testing method thereof |
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| CN113370051A true CN113370051A (en) | 2021-09-10 |
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| CN202110633998.9A Pending CN113370051A (en) | 2021-06-07 | 2021-06-07 | Airbag tool fatigue ray nondestructive testing device and automatic testing method thereof |
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