CN116148252B - High-efficiency automatic penetration flaw detection equipment for closing cylindrical part - Google Patents
High-efficiency automatic penetration flaw detection equipment for closing cylindrical part Download PDFInfo
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- CN116148252B CN116148252B CN202211270436.3A CN202211270436A CN116148252B CN 116148252 B CN116148252 B CN 116148252B CN 202211270436 A CN202211270436 A CN 202211270436A CN 116148252 B CN116148252 B CN 116148252B
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- 230000035515 penetration Effects 0.000 title claims abstract description 34
- 238000001514 detection method Methods 0.000 title claims abstract description 28
- 238000005507 spraying Methods 0.000 claims abstract description 114
- 239000007921 spray Substances 0.000 claims abstract description 110
- 230000007246 mechanism Effects 0.000 claims abstract description 86
- 230000000149 penetrating effect Effects 0.000 claims abstract description 53
- 238000004140 cleaning Methods 0.000 claims abstract description 46
- 238000001035 drying Methods 0.000 claims abstract description 44
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 29
- 238000007689 inspection Methods 0.000 claims abstract description 26
- 239000012459 cleaning agent Substances 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 20
- 238000003384 imaging method Methods 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 9
- 230000008595 infiltration Effects 0.000 claims description 8
- 238000001764 infiltration Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 description 17
- 238000000576 coating method Methods 0.000 description 17
- 239000000463 material Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 13
- 230000007547 defect Effects 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 6
- 238000007665 sagging Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003204 osmotic effect Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 208000025962 Crush injury Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012216 imaging agent Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002357 osmotic agent Substances 0.000 description 1
- -1 penetrant Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention provides high-efficiency automatic penetration inspection equipment for a closing-in cylindrical part, which comprises a workbench (10), a guide rail (20), a part rack (30), a penetrating agent spraying component (40), a cleaning agent spraying component (50), a drying component (60), a developing agent spraying component (70) and a detecting component (80); the penetrating agent spraying component (40) comprises a penetrating spray gun (41), a first moving mechanism (42), a penetrating guide rail (43) and a penetrating portal frame (44), the cleaning agent spraying component (50) comprises a cleaning spray gun (51), a second moving mechanism (52), a cleaning guide rail (53) and a cleaning portal frame (54), the drying component (60) comprises a drying fan (61) and a drying portal frame (62), and the developing agent spraying component (70) comprises a developing spray gun (71), a third moving mechanism (72), a developing guide rail (73) and a developing portal frame (74). The device is suitable for the penetration detection of the opening of the inner wall of the closing-in cylindrical part, and has high detection precision and good accuracy.
Description
Technical Field
The invention relates to the technical field of part detection equipment, in particular to efficient automatic penetration flaw detection equipment for a closing-in cylindrical part.
Background
Cylindrical parts prepared from aluminum alloy or steel and other materials generally need to undergo multiple processes such as extension, and defects such as stretch cracks, scratches and crush injuries of impurities pressed into the surfaces of the parts are easy to generate on the surfaces of the parts, so that the penetration inspection is an effective detection means of the defects. However, the inner wall of a cylindrical part, particularly a cylindrical part having a large aspect ratio, is difficult to perform the penetration inspection operation, and it is more difficult to observe and measure the defect size. Furthermore, for the cylindrical part with large length-diameter ratio and small caliber and a closing structure, the defects are more difficult to detect, observe and measure due to the small caliber of the inlet, and especially the inclined shoulder part cannot be observed visually. Therefore, developing a high-efficiency automatic penetration inspection device for a closed cylindrical part, in particular to a high-efficiency automatic penetration inspection device suitable for the defect of the opening of the inner wall of the closed cylindrical part, which shows great application value.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention aims to provide the efficient automatic penetration inspection equipment for the closed cylindrical part, which is suitable for penetration inspection of the inner wall of the cylindrical part, especially for the opening defect of the inner wall of the closed cylindrical part, and has the advantages of high inspection precision, good accuracy, high degree of automation, no need of manual operation, capability of greatly improving the inspection efficiency and reducing the labor intensity.
The aim of the invention is achieved by the following technical scheme:
the utility model provides a high-efficient automatic infiltration inspection equipment is used to binding off cylindric spare which characterized in that: comprises a workbench, a guide rail, a part rack, a penetrating agent spraying component, a cleaning agent spraying component, a drying component, a developing agent spraying component and a detection component; the guide rail is fixedly arranged on two sides of the upper end face of the workbench, the part rack is arranged on the guide rail and is in sliding connection with the guide rail; the upper side of one end of the workbench is fixedly provided with a detection assembly, the upper side of the workbench is sequentially provided with a developer spraying assembly, a drying assembly, a cleaning agent spraying assembly and a penetrating agent spraying assembly from the position close to the position far away from the detection assembly, and a rectangular hole is formed in the surface of the workbench corresponding to the developer spraying assembly, the drying assembly, the cleaning agent spraying assembly and the penetrating agent spraying assembly; the part rack is provided with a step hole for installing a cylindrical part; the penetrating agent spraying assembly comprises a penetrating spray gun, a first moving mechanism, a penetrating guide rail and a penetrating portal frame, wherein the penetrating portal frame is fixedly connected with two sides of the workbench and the ground, the middle part of the penetrating portal frame is fixedly provided with the penetrating guide rail corresponding to the rectangular hole, the penetrating guide rail is in sliding connection with the penetrating guide rail, and the lower end of the first moving mechanism is provided with a plurality of penetrating spray guns; the cleaning agent spraying assembly comprises a cleaning spray gun, a second moving mechanism, a cleaning guide rail and a cleaning portal frame, wherein the cleaning portal frame is fixedly connected with two sides of the workbench and the ground, the middle part of the cleaning portal frame is fixedly provided with the cleaning guide rail corresponding to the rectangular hole, the second moving mechanism is in sliding connection with the cleaning guide rail, and the lower end of the second moving mechanism is provided with a plurality of cleaning spray guns; the drying assembly comprises a drying fan and a drying portal frame, wherein the drying portal frame is fixedly connected with two sides of the workbench and the ground, and the middle part of the drying portal frame is fixedly provided with the drying fan corresponding to the rectangular hole; the imaging agent spraying component comprises an imaging spray gun, a third moving mechanism, an imaging guide rail and an imaging portal frame, wherein the imaging portal frame is fixedly connected with two sides of the workbench and the ground, the middle part of the imaging portal frame is fixedly provided with the imaging guide rail corresponding to the rectangular hole, the third moving mechanism is in sliding connection with the imaging guide rail, and the lower end of the third moving mechanism is provided with a plurality of imaging spray guns.
The penetration spray gun, the cleaning spray gun and the development spray gun all comprise a nozzle, a positioning block, a sealing block and a spray pipe; the positioning block consists of a lower inclined cone section and a straight line section, the upper end of the straight line section is fixedly connected with a corresponding movement mechanism (namely a first movement mechanism, a second movement mechanism and a third movement mechanism), the sealing block is sleeved on the outer wall of the positioning block, and the straight line section of the positioning block is in sliding connection with the sealing block; the spray nozzle is arranged at the lower end of the positioning block and comprises an upper inclined spray section and a lower inclined spray section, the upper inclined spray section is cylindrical, a plurality of upper inclined spray nozzles which incline upwards are uniformly distributed on the outer wall of the upper inclined spray section and around the central axis of the upper inclined spray section, the lower inclined spray section is hemispherical, a plurality of lower inclined spray nozzles which incline downwards are uniformly distributed on the outer wall of the lower inclined spray section and around the central axis of the lower inclined spray section, the upper inclined spray section is in threaded connection with the lower inclined spray section (the upper inclined spray section is not communicated with the lower inclined spray section) and the upper inclined spray nozzles and the lower inclined spray nozzles are uniformly distributed in dislocation (namely, the lower inclined spray nozzles are positioned on the central line of the connecting line of the two adjacent upper inclined spray nozzles, and the upper inclined spray nozzles are positioned on the central line of the connecting line of the two adjacent lower inclined spray nozzles); the upper end of the nozzle (namely the upper end of the upper inclined spraying section) is fixedly connected with a spray pipe, and the spray pipe penetrates through the positioning block; the spray nozzle, the positioning block and the sealing block are coaxial with the spray pipe.
Because the inclined shoulder of the closing cylindrical part has a certain inclination compared with the straight cylindrical part, if the traditional one-way nozzle structure is adopted for spraying on the inclined shoulder part, the problems of uneven thickness of the coating and sagging of the coating material are difficult to solve at the same time; for example, the upper inclined nozzle is close to the inclined shoulder due to the fact that the axis of the nozzle is close to the inclined shoulder, the wall hanging performance of the sprayed coating material is good, sagging is not easy to generate, but the spraying distance is small due to the fact that the distance between the upper inclined nozzle and the inclined shoulder is close, only small air pressure can be adopted, the sprayed coating material is concentrated, and the circumferential uniformity control of the coating is extremely difficult to achieve; the downward inclined nozzle has large spraying distance, the spraying material is dispersed, the circumferential uniformity control of the coating is easy to realize, but the included angle between the downward inclined nozzle and the inclined shoulder is small, the wall hanging property of the spraying coating material is poor, and if larger spraying air pressure is adopted, the sagging and other defects are difficult to avoid. The application makes two adjacent lower oblique spouts spray coating edge overlap joint suitable width earlier, then, is located the upper oblique spout spray coating in the middle of two lower oblique spouts and spouts one deck in the benefit of above-mentioned edge overlap joint department to guarantee the homogeneity of coating circumference. Meanwhile, after the method is adopted, the width of the coating to be sprayed on the downward-inclined nozzle can be properly reduced, namely, the spraying air pressure of the downward-inclined nozzle can be effectively reduced, and the defects of sagging and the like can be avoided.
Further optimizing, the detection assembly comprises an endoscopic camera, a fourth movement mechanism, an endoscopic guide rail and an endoscopic portal frame; the endoscope portal frame is fixedly connected with two sides of the workbench and the ground, an endoscope guide rail is fixedly arranged in the middle of the endoscope portal frame, the fourth moving mechanism is in sliding connection with the endoscope guide rail, and a plurality of endoscope cameras are arranged at the lower end of the fourth moving mechanism.
The penetration flaw detection equipment further comprises an industrial computer, a compressed gas supply device, an equipment operation control system and an air draft and liquid collection device; the industrial computer is arranged on one side of the endoscopic portal frame and is electrically connected with the endoscopic camera; the compressed gas supply device is respectively communicated with the penetration spray gun, the cleaning spray gun and the developing spray gun and supplies compressed gas to each spray gun; the equipment operation control system is respectively and electrically connected with the part rack, the first motion mechanism, the second motion mechanism, the third motion mechanism and the fourth motion mechanism and is used for controlling motion coordination among the mechanisms; the air draft liquid collecting device is arranged at the lower side of the workbench and is communicated with each rectangular hole, a liquid leakage port penetrating through the part frame is arranged in the step hole, and atomized or dripped spraying materials (namely penetrating agent, cleaning agent and developer) are sucked away and stored from the bottom of the cylindrical part through the air draft liquid collecting device and through the liquid leakage port.
Preferably, the diameter of the liquid leakage opening is larger than that of the bottom hole of the cylindrical part.
And further optimizing, wherein the diameter of the upper inclined nozzle is 1/3 of that of the lower inclined nozzle.
And further optimizing, wherein the number of the upper inclined nozzles is consistent with that of the lower inclined nozzles, and the number of the upper inclined nozzles is not less than 3. The number of the spouts is determined according to the inner diameter of the cylindrical part, if the inner diameter of the cylindrical part is smaller than 10mm, the number of the upward inclined spouts and the downward inclined spouts is 3, and the interval angle between the spouts (namely the upward inclined spouts and the downward inclined spouts, and the downward inclined spouts) is 60 degrees; if the inner diameter of the cylindrical part is 10-30 mm, the number of the upward inclined nozzles and the downward inclined nozzles is 4, and the interval angle between the nozzles is 45 degrees; if the inner diameter of the cylindrical part is larger than 30mm, the number of the upward inclined nozzles and the downward inclined nozzles is 5 or more, and the interval angles among the nozzles are consistent.
And further optimizing, wherein the distance between the center of the upper inclined nozzle and the center of the lower inclined nozzle in the axial direction is 1/2-3/4 of the inner diameter of the cylindrical part.
Further optimizing, the angle between the upper inclined nozzle and the inclined shoulder of the cylindrical part is 85-90 degrees; the angle between the downtilt nozzle and the axis of the nozzle is 70 degrees plus or minus 3 degrees.
And the spray pipe is higher than the positioning block, a partition plate is arranged in one section of the spray pipe, the partition plate uniformly divides the section of the spray pipe into an upper inclined nozzle air inlet channel and a lower inclined nozzle air inlet channel, the upper inclined nozzle air inlet channel is communicated with the upper inclined spray section through a hose, and the lower inclined nozzle air inlet channel is communicated with the lower inclined spray section through the hose.
Preferably, the hose between the upper inclined nozzle air inlet channel and the upper inclined spraying section, the hose between the lower inclined nozzle air inlet channel and the lower inclined spraying section are communicated with a liquid storage device arranged in the moving mechanism (namely, a first moving mechanism, a second moving mechanism and a third moving mechanism), and the air pressure of the upper inclined nozzle air inlet channel or the lower inclined nozzle air inlet channel drives spraying materials (namely, penetrating agents, cleaning agents and developing agents) in the liquid storage device to move towards the upper inclined spraying section or the lower inclined spraying section, so that the spraying materials are sprayed out through the upper inclined nozzle or the lower inclined nozzle.
And further optimizing, a proportional valve baffle is arranged at the upper end of the partition plate, and the proportion of air pressure entering the upper inclined nozzle air inlet channel and the lower inclined nozzle air inlet channel is regulated through the proportional valve baffle, so that the proportion of air pressure of the upper inclined spraying section and the lower inclined spraying section is regulated.
The invention has the following technical effects:
compared with the prior art, the equipment has the advantages that the equipment is automatically operated except for loading and unloading parts, manual operation is not needed, the labor intensity can be greatly reduced, and the labor productivity is reduced; meanwhile, the equipment has perfect spraying pollution blocking and collecting functions, is environment-friendly, and remarkably improves the working environment of operators; the equipment can detect a plurality of parts simultaneously at a time, and the flaw detection operation can be continuously carried out, so that the parts are assembled and disassembled without stopping the machine, and the working efficiency is high.
According to the equipment, through the cooperation of the nozzle, the positioning block, the sealing block and the spray pipe, through the arrangement of the upper oblique spraying section and the lower oblique spraying section, the complex device that the thickness of the coating is uniform in a mode of adopting the nozzle rotation or the closing cylindrical part rotation conventionally is avoided, the problem that the thickness of the coating material sprayed out of the adjacent nozzle is poor in control at the joint is thoroughly solved, meanwhile, the problems of difficult preparation of the coating on the oblique shoulder, poor coating hanging wall, serious sagging and poor spraying uniformity are solved, the consistency of the thickness of the straight cylindrical part and the thickness of the oblique shoulder part is realized, the uniformity is good, the integrity of the whole coating is ensured, the thickness of the coating (comprising the thickness of the coating on the oblique shoulder) is ensured to reach +/-5 mu m, and the problems of high detection precision of penetration flaw detection and detection dead angle or detection failure due to the occurrence of the uniformity of the coating are further ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a penetration inspection apparatus according to an embodiment of the present invention.
FIG. 2 is a schematic view of a part rack of a penetration inspection apparatus according to an embodiment of the present invention.
FIG. 3 is a schematic diagram of the structure of a penetration spray gun, a cleaning spray gun or a developing spray gun of the penetration inspection apparatus according to the embodiment of the present invention.
FIG. 4 is a schematic view of a nozzle of a penetration inspection apparatus according to an embodiment of the present invention; wherein fig. 4 (a) is a perspective view; fig. 4 (b) is a cross-sectional view.
Fig. 5 is a schematic diagram of a nozzle spraying process of the penetration inspection apparatus according to an embodiment of the present invention.
FIG. 6 is a schematic structural view of a nozzle of a penetration inspection apparatus according to an embodiment of the present invention.
10, a workbench; 101. a rectangular hole; 20. a guide rail; 30. a parts rack; 301. a step hole; 302. a liquid leakage port; 40. a penetrant spraying assembly; 41. a penetration spray gun; 411. a nozzle; 4111. an upper inclined spraying section; 41110. an upper inclined nozzle; 4112. a downward inclined spraying section; 41120. a downward inclined nozzle; 412. a positioning block; 4121. a lower beveled cone section; 4122. a straight line segment; 413. a sealing block; 414. a spray pipe; 4140. a proportional valve baffle; 4141. a partition plate; 4142. an air inlet channel of the upper inclined nozzle; 4143. a downward inclined nozzle air inlet channel; 42. a first movement mechanism; 420. a liquid storage device; 43. penetrating the guide rail; 44. penetrating the portal frame; 50. a cleaning agent spraying component; 51. cleaning the spray gun; 52. a second movement mechanism; 53. cleaning the guide rail; 54. cleaning a portal frame; 60. a drying assembly; 61. a drying fan; 62. drying the portal frame; 70. a developer spray assembly; 71. a developing spray gun; 72. a third movement mechanism; 73. a developing guide rail; 74. developing a portal frame; 80. a detection assembly; 81. an endoscopic camera; 82. a fourth movement mechanism; 83. an endoscopic guide rail; 84. an endoscopic portal frame; 90. a cylindrical part; 91. an industrial computer; 92. compressed gas supply means; 93. a device operation control system; 94. and the air draft and liquid collection device.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
as shown in fig. 1 to 6, a high-efficiency automatic penetration inspection apparatus for a necked-in cylindrical member is characterized in that: comprises a workbench 10, a guide rail 20, a part rack 30, a penetrating agent spraying component 40, a cleaning agent spraying component 50, a drying component 60, a developing agent spraying component 70 and a detecting component 80; the guide rail 20 is fixedly arranged on two sides of the upper end surface of the workbench 10, the part frame 30 is arranged on the guide rail 20, and the part frame 30 is in sliding connection with the guide rail 20; a detection assembly 80 is fixedly arranged on the upper side of one end of the workbench 10, and a developer spraying assembly 70, a drying assembly 60, a cleaning agent spraying assembly 50 and a penetrating agent spraying assembly 40 are sequentially arranged on the upper side of the workbench 10 from the position close to the position far from the detection assembly 80 (shown in fig. 1), and rectangular holes 101 (shown in fig. 1) are respectively formed on the surface of the workbench 10 corresponding to the developer spraying assembly 70, the drying assembly 60, the cleaning agent spraying assembly 50 and the penetrating agent spraying assembly 40; the part holder 30 is provided with a stepped hole 301 for mounting the cylindrical part 90; the osmotic agent spraying assembly 40 comprises an osmotic spray gun 41, a first moving mechanism 42, an osmotic guide rail 43 and an osmotic portal frame 44; the penetrating portal frame 44 is fixedly connected with the two sides of the workbench 10 and the ground, a penetrating guide rail 43 is fixedly arranged in the middle of the penetrating portal frame 44 and corresponds to the rectangular hole 101, the first moving mechanism 42 is in sliding connection with the penetrating guide rail 43, and a plurality of penetrating spray guns 41 are arranged at the lower end of the first moving mechanism 42 (as shown in figure 1); the cleaning agent spraying assembly 50 comprises a cleaning spray gun 51, a second movement mechanism 52, a cleaning guide rail 53 and a cleaning portal frame 54; the cleaning portal frame 54 is fixedly connected with the two sides of the workbench 10 and the ground, a cleaning guide rail 53 is fixedly arranged in the middle of the cleaning portal frame 54 and corresponds to the rectangular hole 101, the second moving mechanism 52 is in sliding connection with the cleaning guide rail 53, and a plurality of cleaning spray guns 51 are arranged at the lower end of the second moving mechanism 52 (shown in figure 1); the drying assembly 60 comprises a drying fan 61 and a drying portal frame 62, the drying portal frame 62 is fixedly connected with two sides of the workbench 10 and the ground, and the middle part of the drying portal frame 62 is fixedly provided with the drying fan 62 corresponding to the rectangular hole 101 (shown in fig. 1); the developer spraying assembly 70 includes a developer spray gun 71, a third movement mechanism 72, a developer guide 73, and a developer gantry 74; the developing portal frame 74 is fixedly connected with the two sides of the workbench 10 and the ground, a developing guide rail 73 is fixedly arranged in the middle of the developing portal frame 74 and corresponds to the rectangular hole 101, the third moving mechanism 72 is in sliding connection with the developing guide rail 73, and a plurality of developing spray guns 71 are arranged at the lower end of the third moving mechanism 72.
The infiltration spray gun 41, the cleaning spray gun 51 and the developing spray gun 71 comprise a nozzle 411, a positioning block 412, a sealing block 413 and a spray pipe 414; the positioning block 412 is composed of a lower inclined cone section 4121 and a straight line section 4122, the upper end of the straight line section 4122 is fixedly connected with a corresponding movement mechanism (namely, the straight line section 4122 on the penetration spray gun 41 is fixedly connected with the first movement mechanism 42, the straight line section 4122 on the cleaning spray gun 51 is fixedly connected with the second movement mechanism 52, the straight line section 4122 on the imaging spray gun 71 is fixedly connected with the third movement mechanism 72), the sealing block 413 is sleeved on the outer wall of the positioning block 412, and the straight line section 4122 of the positioning block 412 is in sliding connection with the sealing block 413; the nozzle 411 is disposed at the lower end of the positioning block 412, and includes an upper inclined spraying section 4111 and a lower inclined spraying section 4112, the upper inclined spraying section 4111 is cylindrical, a plurality of upper inclined spraying nozzles 41110 inclined upwards are uniformly distributed on the outer wall of the upper inclined spraying section 4111 around the central axis, the lower inclined spraying section 4112 is hemispherical, a plurality of lower inclined spraying nozzles 41120 inclined downwards are uniformly distributed on the outer wall of the lower inclined spraying section 4112 around the central axis (as shown in fig. 4), the upper inclined spraying section 4111 is in threaded connection with the lower inclined spraying section 4112 (the upper inclined spraying section 4111 is not communicated with the lower inclined spraying section 4112), and the upper inclined spraying nozzles 41110 and the lower inclined spraying nozzles 41120 are uniformly distributed in a staggered manner (i.e. the lower inclined spraying nozzles 41120 are located on the central line connecting the adjacent two upper inclined spraying nozzles 41110, and the upper inclined spraying nozzle 41110 is located on the central line connecting the adjacent two lower inclined spraying nozzles 41120 as shown in fig. 4); the diameter of the upper inclined nozzle 41110 is 1/3 of the diameter of the lower inclined nozzle 41120, the axial distance between the center of the upper inclined nozzle 41110 and the center of the lower inclined nozzle 41120 is 1/2-3/4 of the inner diameter of the cylindrical part 90, and the angle a between the upper inclined nozzle 41110 and the inclined shoulder of the cylindrical part 90 is 85-90 degrees (as shown in fig. 5, preferably 87 degrees); the angle b of the declined nozzle 41120 to the axis of the nozzle 411 is 70 deg. + -3 deg. (as shown in fig. 5, preferably 70 deg.). The upper end of the nozzle 411 (i.e. the upper end of the upper inclined spray section 4111) is fixedly connected with the spray pipe 414, and the spray pipe 414 penetrates through the positioning block 412; the nozzle 411, the positioning block 412 and the sealing block 413 are coaxial with the nozzle 41. The number of the upward inclined spouts 41110 is equal to or more than 3 as the number of the downward inclined spouts 41120. The number of spouts (i.e., upper inclined spout 41110 and lower inclined spout 41120) is determined according to the inner diameter of the cylindrical member 90, and if the inner diameter of the cylindrical member 90 is smaller than 10mm, the number of upper inclined spout 41110 and lower inclined spout 41120 are 3 and the spacing angle between the spouts (i.e., upper inclined spout 41110 and lower inclined spout 41120, lower same) is 60 ° (as shown in fig. 4); if the inner diameter of the cylindrical part 90 is 10 mm-30 mm, the number of the upward inclined nozzle 41110 and the downward inclined nozzle 41120 is 4, and the interval angle between the nozzles is 45 degrees; if the inner diameter of the cylindrical part 90 is greater than 30mm, the number of the upward inclined spouts 41110 and the downward inclined spouts 41120 is 5 or more and the interval angle between the spouts is uniform.
The detection assembly 80 comprises an endoscopic camera 81, a fourth movement mechanism 82, an endoscopic guide rail 83 and an endoscopic portal frame 84; the endoscopic portal frame 84 is fixedly connected with the two sides of the workbench 10 and the ground, an endoscopic guide rail 83 is fixedly arranged in the middle of the endoscopic portal frame 84, the fourth movement mechanism 82 is in sliding connection with the endoscopic guide rail 83, and a plurality of endoscopic cameras 81 are arranged at the lower end of the fourth movement mechanism 82; the endoscopic camera 81 can rotate 360 ° around its own axis.
The number of the endoscopic cameras 81, the imaging gun 71, the cleaning gun 51, and the infiltration gun 41 corresponds to the number of the stepped holes 301 (as shown in fig. 1).
The penetration inspection equipment also comprises an industrial computer 91, a compressed gas supply device 92, an equipment operation control system 93 and an air draft and liquid collection device 94; the industrial computer 91 is disposed at one side of the endoscopic portal frame 84 and the industrial computer 91 is electrically connected with the endoscopic camera 81; the compressed gas supply device 92 is respectively communicated with the permeation spray gun 41, the cleaning spray gun 51 and the developing spray gun 71, and the compressed gas supply device 92 supplies compressed gas to each spray gun; the equipment operation control system 93 is electrically connected with the part rack 30, the first movement mechanism 42, the second movement mechanism 52, the third movement mechanism 72 and the fourth movement mechanism 82 respectively and is used for controlling movement coordination among the mechanisms; the air-extracting and liquid-collecting device 94 is provided at the lower side of the table 10 and communicates with each rectangular hole 101, and a liquid-leaking port 302 penetrating the component holder 30 is provided in the stepped hole 301, and atomized or dropped spray material (i.e., penetrant, cleaning agent, developer) is sucked from the bottom of the cylindrical component 90 through the air-extracting and liquid-collecting device 94 and is stored through the liquid-leaking port 302. The weep hole 302 has a diameter greater than the diameter of the bottom hole of the cylindrical member 90.
The nozzle 414 is higher than the inner part of a section of the positioning block 412, a separation plate 4141 is arranged, and the separation plate 4141 uniformly divides the section of the nozzle 414 into an upper inclined nozzle inlet channel 4142 and a lower inclined nozzle inlet channel 4143 (shown in fig. 6), the upper inclined nozzle inlet channel 4142 is communicated with the upper inclined nozzle section 4111 through a hose, and the lower inclined nozzle inlet channel 4143 is communicated with the lower inclined nozzle section 4112 through a hose.
The hose between the upper inclined nozzle inlet channel 4142 and the upper inclined spray section 4111, the hose between the lower inclined nozzle inlet channel 4143 and the lower inclined spray section 4112 are communicated with the liquid storage device 420 arranged in the moving mechanism (namely, the first moving mechanism 42, the second moving mechanism 52 and the third moving mechanism 72), and the air pressure of the upper inclined nozzle inlet channel 4142 or the lower inclined nozzle inlet channel 4143 drives the spraying material (namely, penetrating agent, cleaning agent and developer) in the liquid storage device 420 to move towards the upper inclined spray section 4111 or the lower inclined spray section 4112, so that the spraying material is sprayed out through the upper inclined nozzle 41110 or the lower inclined nozzle 41120.
The upper end of the partition plate 4141 is provided with a proportional valve baffle 4140, and the proportion of air pressure entering the upper inclined nozzle air inlet channel 4142 and the lower inclined nozzle air inlet channel 4143 is adjusted through the proportional valve baffle 4140, so that the proportion of air pressure of the upper inclined spray section 4111 and the lower inclined spray section 4112 is adjusted (as shown in fig. 6).
Example 2:
the initial position of the penetration inspection apparatus is shown in fig. 1. Firstly, the cylindrical parts 90 to be detected are sequentially placed in the step holes 301 of the parts rack 30, and then the equipment operation control system 93 is started to drive the parts rack 30 to move towards the direction approaching to the penetrating agent spraying assembly 40. When the part frame 30 moves to the lower side of the infiltration portal frame 44 and is located right above the rectangular hole 101 corresponding to the infiltration portal frame 44 (i.e. the infiltration spray gun 41 corresponds to the cylindrical part 90 to be detected on the part frame 30 one by one, which is a conventional technology in the art, and this is not specifically discussed in the application), the movement of the part frame 30 is stopped, the first movement mechanism 42 is started to move down, the nozzle 411 of the infiltration spray gun 41 extends into the corresponding cylindrical part 90 to be detected respectively, and at the same time, the sealing block 413 contacts with the upper end of the mouth of the cylindrical part 90 to achieve sealing (when the sealing block 413 contacts with the cylindrical part 90 can be achieved by setting the relative height of the sealing block 413, this is a conventional arrangement in the art, and the lower end is the same), the compressed gas supply device 92 is started to supply compressed gas, the compressed gas enters the upper inclined nozzle inlet channel 4142 and the lower inclined nozzle inlet channel 4143 respectively in a certain proportion through the partition plate 4141 and the proportional valve baffle 4140, and the material (i.e. the penetrant) in the compressed device 420 enters the upper inclined nozzle 4111 and the lower inclined nozzle 4112 and the inclined nozzle 41110 respectively; the first movement mechanism 42 is gradually moved down and the compressed gas supply 92 is continuously started until the prescribed spraying of the cylindrical part 90 is completed, then the compressed gas supply 92 is closed, the first movement mechanism 42 is started to move up to the initial position, the penetrating agent spraying process is ended, and the operation of the first movement mechanism 42 is stopped. After keeping stationary for 1-2 min (the penetrating agent can permeate into the defect), restarting the part rack 30 to move towards the direction close to the cleaning agent spraying component 50, when the part rack 30 moves to the lower side of the cleaning portal frame 54 and is positioned right above the corresponding rectangular hole 101 of the cleaning portal frame 54 (namely, the cleaning spray gun 51 corresponds to the cylindrical part 90 to be detected on the part rack 30 one by one, which is a conventional technology in the art, and is not specifically discussed in the application), stopping the movement of the part rack 30 and starting the second movement mechanism 52 to move downwards, wherein the nozzle 411 of the cleaning spray gun 51 extends into the corresponding cylindrical part 90 to be detected respectively, simultaneously the sealing block 413 contacts with the upper end of the mouth of the cylindrical part 90 to realize sealing, starting the compressed gas supply device 92 to supply compressed gas, and the compressed gas enters the upper inclined inlet channel 4142 and the lower inclined nozzle inlet channel 4143 respectively according to a certain proportion, and the spraying material (namely, the penetrating agent) in the liquid storage device 420 is enabled to enter the upper inclined spraying section 4111 and the lower inclined spraying section 4112 and the lower inclined nozzle 20 respectively through the upper inclined nozzle 41122; the second movement mechanism 52 is gradually moved down and the compressed gas supply 92 is continuously started until the prescribed spraying of the cylindrical part 90 is completed, then the compressed gas supply 92 is closed, the second movement mechanism 52 is started to move up to the initial position, the cleaning agent cleaning process is ended, and the operation of the second movement mechanism 52 is stopped. Starting the part rack 30 to move in the direction close to the drying assembly 60, when the part rack 30 moves to the lower side of the drying portal frame 62 and is located right above the rectangular hole 101 corresponding to the drying portal frame 62 (which is realized by setting a limit sensor, which is a conventional technology in the art, and not specifically discussed in the application), stopping the movement of the part rack 30, starting the drying fan 61, drying the inside of the cylindrical part 90 to be sprayed (the drying time and the drying temperature are determined according to the actual situation, only the drying inside of the cylindrical part 90 to be sprayed needs to be ensured, and then the person skilled in the art can understand), and stopping the drying fan 61. Starting the part frame 30 to move towards the developer spraying assembly 70, when the part frame 30 moves to the lower side of the developing portal frame 74 and is positioned right above the rectangular hole 101 corresponding to the developing portal frame 74 (namely, the developing spray gun 71 corresponds to the cylindrical part 90 to be detected on the part frame 30 one by one; the third movement mechanism 72 is gradually moved down and the compressed gas supply 92 is continuously started until the prescribed spraying of the cylindrical part 90 is completed, then the compressed gas supply 92 is turned off, the third movement mechanism 72 is started up to the initial position, the developer spraying process is ended, and the operation of the third movement mechanism 72 is stopped. Starting the part frame 30 to move to the lower side of the endoscopic portal frame 84 (namely, the endoscopic camera 81 corresponds to the cylindrical parts 90 to be detected on the part frame 30 one by one, which is a conventional technology in the field and is not specifically discussed in the application), stopping the movement of the part frame 30, starting the fourth movement mechanism 82 to move downwards, enabling the endoscopic camera 81 to extend into the cylindrical parts 90 to be detected respectively, simultaneously taking the axis of the cylindrical parts 90 as the center of a circle to perform a photographing process of moving downwards and rotating simultaneously, and after reaching a designated position, enabling the fourth movement mechanism 82 to move upwards and simultaneously performing a photographing process of moving upwards and rotating simultaneously until the endoscopic camera 81 returns to an initial position; then, the defect determination is performed on the image transmitted to the industrial computer 91 through the endoscopic camera 81 (determination may be performed by image processing software or by manual observation and measurement).
In the above steps, the atomized and sprayed material in the cylindrical part 90 is absorbed and stored by starting the air extraction and liquid collection device 84 (i.e., the air extraction and liquid collection device 84 is simultaneously started during the penetrating agent spraying process, the cleaning agent cleaning process, the drying process, and the developer spraying process); the strength of the air draft is obtained through experience and multiple tests, so that the spray material is prevented from drifting and the uniformity of spraying is prevented from being influenced by the strong wind.
The air pressure supplied from the compressed air supply device 92 is 0.1 to 0.5MPa, which is determined by the inner diameter of the cylindrical part, and in general, the air pressure decreases as the inner diameter decreases.
The thickness of the penetrating agent layer and the developing agent layer and the cleaning degree of the cleaning agent can be adjusted by adjusting the up-and-down moving speed of the spray gun or the air pressure of compressed air in the spraying implementation process (this is a conventional technology in the art and is not specifically discussed in the application).
In the detection process of the detection component 80, the quality of the captured image can be adjusted by adjusting the rotation speed and the downward movement speed of the endoscopic camera 81 (this is a conventional technology in the art, and is not specifically discussed in this application).
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides a high-efficient automatic infiltration inspection equipment is used to binding off cylindric spare which characterized in that: comprises a workbench, a guide rail, a part rack, a penetrating agent spraying component, a cleaning agent spraying component, a drying component, a developing agent spraying component and a detection component; the guide rail is fixedly arranged on two sides of the upper end surface of the workbench, the part rack is arranged on the guide rail and is in sliding connection with the guide rail; the upper side of one end of the workbench is fixedly provided with a detection assembly, and the upper side of the workbench is sequentially provided with a developer spraying assembly, a drying assembly, a cleaning agent spraying assembly and a penetrating agent spraying assembly from the position close to the position far away from the detection assembly, and rectangular holes are respectively formed on the surface of the workbench corresponding to the developer spraying assembly, the drying assembly, the cleaning agent spraying assembly and the penetrating agent spraying assembly; the part rack is provided with a step hole for installing a cylindrical part; the penetrating agent spraying component comprises a penetrating spray gun, a first moving mechanism, a penetrating guide rail and a penetrating portal frame; the cleaning agent spraying assembly comprises a cleaning spray gun, a second motion mechanism, a cleaning guide rail and a cleaning portal frame; the drying assembly comprises a drying fan and a drying portal frame; the developer spraying component comprises a developer spraying gun, a third movement mechanism, a developer guide rail and a developer portal frame; the penetrating spray gun, the cleaning spray gun and the developing spray gun all comprise a nozzle, a positioning block, a sealing block and a spray pipe;
the penetrating portal frame is fixedly connected with two sides of the workbench and the ground, a penetrating guide rail is fixedly arranged in the middle of the penetrating portal frame and corresponds to the rectangular hole, the first moving mechanism is in sliding connection with the penetrating guide rail, and a plurality of penetrating spray guns are arranged at the lower end of the first moving mechanism; the cleaning portal frame is fixedly connected with the two sides of the workbench and the ground, a cleaning guide rail is fixedly arranged in the middle of the cleaning portal frame and corresponds to the rectangular hole, the second moving mechanism is in sliding connection with the cleaning guide rail, and a plurality of cleaning spray guns are arranged at the lower end of the second moving mechanism; the drying portal frame is fixedly connected with the two sides of the workbench and the ground, and a drying fan is fixedly arranged in the middle of the drying portal frame and corresponds to the rectangular hole; the imaging portal frame is fixedly connected with the two sides of the workbench and the ground, the middle part of the imaging portal frame is fixedly provided with an imaging guide rail corresponding to the rectangular hole, the third moving mechanism is in sliding connection with the imaging guide rail, and the lower end of the third moving mechanism is provided with a plurality of imaging spray guns;
the positioning block consists of a lower inclined cone section and a straight line section, the upper end of the straight line section is fixedly connected with the corresponding movement mechanism, the sealing block is sleeved on the outer wall of the positioning block, and the straight line section of the positioning block is in sliding connection with the sealing block; the nozzle is arranged at the lower end of the positioning block and comprises an upper inclined spraying section and a lower inclined spraying section, wherein the upper inclined spraying section is cylindrical, the outer wall of the upper inclined spraying section is uniformly distributed with a plurality of upward inclined nozzles around the central axis, the lower inclined spraying section is hemispherical, the outer wall of the lower inclined spraying section is uniformly distributed with a plurality of downward inclined nozzles around the central axis, the upper inclined spraying section is in threaded connection with the lower inclined spraying section, and the upper inclined nozzles and the lower inclined nozzles are uniformly distributed in a staggered manner; the upper end of the nozzle is fixedly connected with the spray pipe, and the spray pipe penetrates through the positioning block; the spray nozzle, the positioning block, the sealing block and the spray pipe are coaxial.
2. The high-efficiency automatic penetration inspection apparatus for a necked-in cylindrical member according to claim 1, wherein: the detection assembly comprises an endoscopic camera, a fourth movement mechanism, an endoscopic guide rail and an endoscopic portal frame; the endoscopic portal frame is fixedly connected with two sides of the workbench and the ground, an endoscopic guide rail is fixedly arranged in the middle of the endoscopic portal frame, the fourth movement mechanism is in sliding connection with the endoscopic guide rail, and a plurality of endoscopic cameras are arranged at the lower end of the fourth movement mechanism.
3. The high-efficiency automatic penetration inspection apparatus for a necked-in cylindrical member according to claim 2, wherein: the penetration flaw detection equipment also comprises an industrial computer, a compressed gas supply device, an equipment operation control system and an air draft and liquid collection device; the industrial computer is arranged at one side of the endoscopic portal frame and is electrically connected with the endoscopic camera; the compressed gas supply device is respectively communicated with the permeation spray gun, the cleaning spray gun and the developing spray gun; the equipment operation control system is respectively and electrically connected with the part rack, the first motion mechanism, the second motion mechanism, the third motion mechanism and the fourth motion mechanism; the air draft and liquid collection device is arranged at the lower side of the workbench and communicated with each rectangular hole, and a liquid leakage port penetrating through the part rack is arranged in the step hole.
4. A high-efficiency automatic penetration inspection apparatus for a necked-in cylindrical member according to any one of claims 1 to 3, characterized in that: the number of the upward inclined nozzles is consistent with that of the downward inclined nozzles, and the upward inclined nozzles are not less than 3.
5. A high-efficiency automatic penetration inspection apparatus for a necked-in cylindrical member according to any one of claims 1 to 3, characterized in that: the angle between the upper inclined nozzle and the inclined shoulder of the cylindrical part is 85-90 degrees; the angle between the downtilt nozzle and the axis of the nozzle is 70 degrees plus or minus 3 degrees.
6. The high-efficiency automatic penetration inspection apparatus for a necked-in cylindrical member according to claim 1, wherein: the spray pipe is higher than the partition plate in one section of the positioning block, the partition plate uniformly divides the section of the spray pipe into an upper inclined nozzle air inlet channel and a lower inclined nozzle air inlet channel, the upper inclined nozzle air inlet channel is communicated with the upper inclined spray section through a hose, and the lower inclined nozzle air inlet channel is communicated with the lower inclined spray section through a hose.
7. The high-efficiency automatic penetration inspection apparatus for a necked-in cylindrical member according to claim 6, wherein: a proportional valve baffle is arranged at the upper end of the partition plate.
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| CN202211270436.3A CN116148252B (en) | 2022-10-18 | 2022-10-18 | High-efficiency automatic penetration flaw detection equipment for closing cylindrical part |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000097877A (en) * | 1998-09-24 | 2000-04-07 | Ishikawajima Harima Heavy Ind Co Ltd | Developing device for fluorescent penetrant inspection |
| CN201364317Y (en) * | 2008-12-31 | 2009-12-16 | 中国商用飞机有限责任公司 | Fluorescent penetrant detecting system |
| CN203490181U (en) * | 2013-09-24 | 2014-03-19 | 上海卓然工程技术有限公司 | Dye-penetrant testing device |
| CN110426398A (en) * | 2019-07-02 | 2019-11-08 | 江苏赛福探伤设备制造有限公司 | Fluorescent penetrant inspection detection line |
| CN210071689U (en) * | 2019-04-24 | 2020-02-14 | 温州和星无损检测服务有限公司 | Penetration flaw detector |
| CN212255124U (en) * | 2020-06-17 | 2020-12-29 | 江苏德意高航空智能装备股份有限公司 | Part atomizing and spraying production line |
-
2022
- 2022-10-18 CN CN202211270436.3A patent/CN116148252B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000097877A (en) * | 1998-09-24 | 2000-04-07 | Ishikawajima Harima Heavy Ind Co Ltd | Developing device for fluorescent penetrant inspection |
| CN201364317Y (en) * | 2008-12-31 | 2009-12-16 | 中国商用飞机有限责任公司 | Fluorescent penetrant detecting system |
| CN203490181U (en) * | 2013-09-24 | 2014-03-19 | 上海卓然工程技术有限公司 | Dye-penetrant testing device |
| CN210071689U (en) * | 2019-04-24 | 2020-02-14 | 温州和星无损检测服务有限公司 | Penetration flaw detector |
| CN110426398A (en) * | 2019-07-02 | 2019-11-08 | 江苏赛福探伤设备制造有限公司 | Fluorescent penetrant inspection detection line |
| CN212255124U (en) * | 2020-06-17 | 2020-12-29 | 江苏德意高航空智能装备股份有限公司 | Part atomizing and spraying production line |
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