CN110632085A - Large-scale steel casting NDT flaw detection position defect processing device system - Google Patents
Large-scale steel casting NDT flaw detection position defect processing device system Download PDFInfo
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- CN110632085A CN110632085A CN201911025448.8A CN201911025448A CN110632085A CN 110632085 A CN110632085 A CN 110632085A CN 201911025448 A CN201911025448 A CN 201911025448A CN 110632085 A CN110632085 A CN 110632085A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
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- G—PHYSICS
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- 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
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- G01N21/88—Investigating the presence of flaws or contamination
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Abstract
The invention discloses a device system for processing defects of NDT flaw detection parts of large steel castings, which relates to the technical field of steel casting defect processing and comprises a workbench, a flaw detection trolley device and an infrared receiving plate, wherein a plurality of infrared receivers are arranged on the infrared receiving plate in a matrix manner, and the workbench is arranged right below the infrared receiving plate; the flaw detection trolley device comprises a trolley; the trolley can move between the workbench and the infrared receiving plate; get off and be provided with the movable plate of the motion of perpendicular to dolly direction of travel on, be provided with the pneumatic cylinder on the movable plate, the tailpiece of the piston rod portion of pneumatic cylinder is equipped with the appearance of detecting a flaw, and the pneumatic cylinder other end is equipped with infrared emitter, still including the milling industrial robot and the welding industrial robot that are equipped with infrared emitter, each infrared emitter and a plurality of infrared receiver equal adaptation. The device system can automatically complete the processing of flaw detection, milling and welding of the steel casting, changes the traditional manual processing mode, reduces the labor intensity of personnel and ensures the quality of products.
Description
Technical Field
The invention relates to the technical field of steel casting defect treatment, in particular to a large-scale steel casting NDT flaw detection part defect treatment device system.
Background
Various casting defects often occur in the steel casting in the production process, and the common defect forms are as follows: some defects such as sand holes, bonded sand, air holes, lockholes, shrinkage porosity, sand inclusion, scabs, cracks and the like can occur in the steel casting, and the structural performance and the product quality of the steel casting are influenced. Therefore, before the steel casting product is delivered, NDT nondestructive inspection is generally carried out on the steel casting product, and the defect position is found and processed. The common NDT flaw detection has various forms such as ultrasonic flaw detection, ray flaw detection, magnetic powder flaw detection, penetration flaw detection and the like, at present, flaw detection is generally carried out on a steel casting manually, the position of a flaw is found out, the position of the flaw is marked, the size of each flaw and the depth of the inside of the steel casting are recorded, then, the flaw part is cut according to the marking condition, a pit is dug out, then, the pit is welded and repaired, and the flaw treatment of the steel casting is completed. The processing process is usually completed manually, a large amount of manpower is consumed when the defects are processed, particularly, when the large-scale steel casting is subjected to flaw detection and processing, the labor intensity of operators is very high, and meanwhile, due to the fact that the size of the operators is large, the missed detection is easy to occur in a manual flaw detection processing mode, and the quality accidents of products are caused.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a device system for processing defects of NDT flaw detection parts of large steel castings, which can automatically finish the flaw detection, milling and welding of the steel castings, changes the traditional manual processing mode, reduces the labor intensity of personnel and ensures the quality of steel casting products.
The purpose of the invention is realized by the following technical scheme:
a defect processing device system for NDT flaw detection parts of large steel castings comprises a workbench, a flaw detection trolley device and an infrared receiving plate,
the infrared ray receiving plate is provided with a plurality of through holes in a matrix manner, infrared ray receivers are arranged in the through holes, the infrared ray receiving plate is fixedly arranged, and the workbench is arranged right below the infrared ray receiving plate;
the flaw detection trolley device comprises a trolley and two parallel rails, the two rails are respectively arranged on two sides of the workbench, and the rails are arranged in parallel with any one side of a matrix formed by the through holes;
the trolley comprises a trolley body, the trolley body is slidably arranged on the two rails, and the height of the trolley body is greater than that of the workbench and less than that of the infrared receiving plate;
the trolley is characterized in that a screw rod is rotatably arranged on the trolley body and is fixedly provided with a guide rod, the screw rod is perpendicular to the travelling direction of the trolley, and the screw rod is parallel to the guide rod;
the automobile body is fixedly provided with a first motor, and an output shaft of the first motor is fixedly connected with one end of the screw rod;
the movable plate is fixedly provided with a hydraulic cylinder in the vertical direction, a piston rod of the hydraulic cylinder penetrates through the movable plate, a flaw detector is arranged at the end part of a piston rod of the hydraulic cylinder, an infrared emitter a is fixedly arranged at the center of one end, far away from the piston rod, of the hydraulic cylinder, and the infrared emitter a is matched with the infrared receiver in a homogeneous mode.
Furthermore, the end part of a piston rod of the hydraulic cylinder is fixedly connected with a four-corner chuck mechanism, and the flaw detector is connected with the piston rod through the four-corner chuck mechanism.
Further, the front end both sides of automobile body all are provided with driving wheel, the rear end both sides of automobile body all are provided with driven wheel, still fixed second motor that is provided with on the automobile body, the second motor is used for driving two driving wheel rotates.
Further, the axial cross sections of the driving wheel and the driven wheel are I-shaped, the middle of the driving wheel is fixedly sleeved with a gear, a rack is fixedly arranged at the center of the rail surface of the rail along the length direction of the rail surface, and the gear is meshed with the rack.
Furthermore, still include a plurality of slide rails, it is a plurality of the slide rail all is on a parallel with the track sets up, workstation slidable sets up in a plurality of on the slide rail.
Furthermore, the top surface of the workbench is provided with infrared emitters d near the four corners thereof, and the four infrared emitters d are respectively matched with the infrared receivers on the infrared receiving plate near the four corners thereof.
Further, still include and mill industrial robot, mill industrial robot is last to be provided with infrared emitter b, infrared emitter b and a plurality of infrared receiver homogeneous phase adaptation.
Further, still include welding industrial robot, welding industrial robot is last to be provided with infrared emitter c, infrared emitter c and a plurality of infrared receiver homogeneous phase adaptation.
The invention has the beneficial effects that:
this large-scale steel casting NDT position defect processing apparatus system of detecting a flaw sets up the dolly device of detecting a flaw, mills industrial robot and welding industrial robot, can accomplish the processing of detecting a flaw, milling, welding of steel casting automatically under control system's control, has changed traditional manual handling mode, has reduced personnel's intensity of labour, has avoided causing the condition emergence of lou examining when detecting a flaw and handling large-scale steel casting, has ensured the quality of steel casting product.
Drawings
FIG. 1 is a schematic structural diagram of a device system for processing defects of NDT flaw detection parts of large steel castings according to the present invention;
FIG. 2 is a schematic view of an infrared receiving plate;
FIG. 3 is a schematic structural view of a flaw detection trolley device;
FIG. 4 is a schematic structural view of a hydraulic cylinder and a moving plate in the flaw detection trolley device;
fig. 5 is a schematic structural diagram of the workbench and a schematic sliding structure thereof.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
As shown in fig. 1 to 5, a system for processing defects of an NDT flaw detection part of a large steel casting includes a worktable 100, a flaw detection trolley 200 and an infrared receiving plate 300.
The infrared receiving plate 300 is a plate, and a plurality of through holes 301 are arranged in a matrix on the plate, and infrared receivers are disposed in the through holes 301. In the embodiment, a machine frame structure is provided, the infrared receiving plate 300 is fixedly mounted below the ceiling of the machine frame structure, and the table 100 is provided directly below the infrared receiving plate 300.
The flaw detection carriage device 200 includes a carriage and two rails 210 arranged in parallel, the two rails 210 are respectively arranged on both sides of the worktable 100, and the rails 210 are arranged in parallel with one side of a matrix formed by a plurality of through holes 301. The car comprises a car body 220 which is slidably arranged on two rails 210, the height of the car body 220 is greater than that of the workbench 100 and less than that of the infrared receiving plate 300, and the car body 220 can slide between the workbench 100 and the infrared receiving plate 300. The vehicle body 220 is rotatably provided with a screw 221 and fixedly provided with a guide rod 222, the screw 221 is arranged perpendicular to the traveling direction of the vehicle, and the screw 221 and the guide rod 222 are arranged in parallel. The vehicle body 220 is further provided with a moving plate 223, one end of the moving plate 223 is in threaded connection with the screw 221, one end of the moving plate 223, which is far away from the screw 221, is slidably sleeved on the guide rod 222, the vehicle body 220 is fixedly provided with a first motor 224, an output shaft of the first motor 224 is fixedly connected with one end of the screw 221, when the first motor 224 rotates, the screw 221 can be driven to rotate, and the rotational freedom of the moving plate 223 is limited by the guide rod 222, so that the moving plate 223 can only move linearly along the direction of the screw 221. A hydraulic cylinder 225 is vertically fixedly mounted on the moving plate 223, a piston rod of the hydraulic cylinder 225 penetrates through the moving plate 223, and a flaw detector 227 is arranged at the end of the piston rod of the hydraulic cylinder 225. The center of one end of the hydraulic cylinder 225 far away from the piston rod is fixedly provided with an infrared emitter a226, and the infrared emitter a226 is matched with a plurality of infrared receivers.
When the device system is used, a control system is required to be arranged to complete data recording and control of each device. A steel casting workpiece to be processed is placed on the workbench 100, the flaw detection trolley device 200 travels a certain distance along the rail 210, the first motor 224 rotates to drive the screw 221 to rotate, so that the moving plate 223 makes linear motion along the screw 221, and the flaw detector 227 acts along with the screw to finish flaw detection of the workpiece in the coverage area of the flaw detection trolley device 200 at the position; and then, the flaw detection trolley device 200 moves for a certain distance along the track 210, the first motor 224 rotates reversely to drive the screw rod 221 to rotate, so that the moving plate 223 makes linear motion along the screw rod 221, the flaw detector 227 acts along with the screw rod, flaw detection of the workpiece in the coverage area of the flaw detection trolley device 200 at the position can be completed, and the whole workpiece can be detected repeatedly. In the flaw detection process, when a flaw is detected in the workpiece, the resultant motion of the flaw detection trolley device 200 and the motion of the moving plate 223 is carried out in a small range at the position of the flaw, the depth and the size of the flaw are ascertained, and the depth and the size of the flaw are recorded in a control system. During the flaw detection process, the infrared emitter a226 on the top of the hydraulic cylinder 225 is always in a working state, when the position of the flaw is detected, the infrared emitter a226 at least directly faces to one infrared receiver during the small-range combined movement, and at the moment, the control system synchronously records the position of the infrared receiver, namely, the plane coordinate where the flaw is located is recorded. Above-mentioned flaw detector 227 optional use conventional ultrasonic flaw detector or ray flaw detector, when electing with ray flaw detector the time frame structure need set up and be the enclosed construction, wraps up whole device system, avoids the ray to escape and causes the harm to the human body. The hydraulic station, the first motor 224 and the control system required by the operation of the hydraulic cylinder 225 and the devices related to the flaw detection trolley device 200 can be directly arranged on the vehicle body 220, the integral integration level is high, and the situation that the lines in the device system are messy can not occur. On infrared ray receiving board 300, infrared receiver sets up in through-hole 301, because of through-hole 301 has certain degree of depth, only can respond to when infrared transmitter just is to through-hole 301, can effectively avoid the misinduction state, and the density that accessible through-hole 301 matrix set up simultaneously changes infrared receiver's density, ensures the accuracy of plane coordinate position. The device system is mainly used for flaw detection of workpieces with plane top surfaces, and can also drive the flaw detector 227 to operate through the extension and contraction of a piston rod of the hydraulic cylinder 225 to finish the flaw detection of the workpieces with step-shaped top surfaces.
The defect handling apparatus system further comprises a milling industrial robot 400. The milling industrial robot 400 is provided with an infrared emitter b401, the infrared emitter b401 is matched with a plurality of infrared receivers, and specifically, the infrared emitter b401 is arranged right above and corresponds to the milling cutter of the milling industrial robot 400 in position. After the flaw detection is finished, the milling process can be started, the flaw detection trolley device 200 returns to the initial position, the infrared emitter b401 starts to work, the milling industrial robot is controlled to sense the required actions of the infrared emitter b401 one by one according to the infrared receivers in the infrared receiving plate 300 array, when the recorded signals of the infrared emitter b401 are sensed by the infrared receivers corresponding to the flaw positions, the control system controls the milling industrial robot 400 to set a tool downwards, another milling cutter is in contact with a workpiece and is set as a milling origin, then the milling operation is finished downwards according to the flaw depth and the flaw size information of the positions, the flaw positions of the workpiece are dug out, and pits are formed. After the infrared emitters b401 on the milling industrial robot 400 complete the walking paths corresponding to all the infrared receivers, the whole milling process of the workpiece is completed, and pits are formed at all the defective parts.
The defect handling device system further comprises a welding industrial robot 500. The welding industrial robot 500 is provided with an infrared emitter c501, the infrared emitter c501 is matched with a plurality of infrared receivers, and specifically, the infrared emitter c501 is also arranged right above and corresponds to the position of a welding part of the welding industrial robot 500. The operation of the welding industrial robot 500 is similar to that of the milling industrial robot 400, and the difference is that the milled pits are weld-repaired at the positions corresponding to the defects.
Through the processing of flaw detection, milling and welding, the automatic processing process of NDT flaw detection defects of the steel casting can be completed under the action of the device system, the traditional manual processing mode is changed, the labor intensity of personnel is reduced, the condition of missed detection caused by flaw detection and processing of large steel castings is avoided, the welded workpieces are polished and then subjected to flaw detection again until no defects are found, and the quality of the steel casting products is ensured.
Further, a four-corner chuck mechanism 228 is fixedly connected to an end portion of a piston rod of the hydraulic cylinder 225, the flaw detector 227 is connected with the piston rod through the four-corner chuck mechanism 228, and the flaw detector 227 or a probe thereof is clamped through the four-corner chuck mechanism 228, so that the center of the flaw detector 227 or the probe thereof is favorably aligned with the center of the hydraulic cylinder 225, namely the center of the infrared emitter a226, and the determination of the plane coordinate of the defect position is more accurate.
During specific implementation, driving wheels 231 are arranged on two sides of the front end of the car body 220, driven wheels 232 are arranged on two sides of the rear end of the car body 220, a second motor 234 is further fixedly arranged on the car body 220, and the second motor 234 is used for driving the two driving wheels 231 to rotate so as to finish the advancing movement of the flaw detection trolley device 200 along the track 210. Furthermore, the axial cross sections of the driving wheel 231 and the driven wheel 232 are both in an I shape, the middle of the driving wheel 231 is fixedly sleeved with a gear 233, the center of the rail surface of the rail 210 is fixedly provided with a rack 211 along the length direction of the rail surface, the gear 233 is meshed with the rack 211, and through the meshing of the gear and the rack, on one hand, the accuracy of controlling the advancing distance of the vehicle body 220 along the rail 210 can be improved, meanwhile, the distance in the matrix of the infrared receiver can be enabled to correspond to the total tooth pitch of a plurality of teeth of the rack 221, and the corresponding infrared receiver can be enabled to be sensed by the infrared transmitter a226 after each advancing; on the other hand, the vehicle body 220 is self-locked when stopped and cannot move left and right, so that the vehicle body 220 is kept stable when the moving plate 223 moves, and the accuracy of flaw detection results is ensured.
Further, still be provided with a plurality of slide rails 101, a plurality of slide rails 101 all are on a parallel with track 210 and set up, and workstation 100 slidable sets up on a plurality of slide rails 101 to the large-scale steel casting on the workstation 100 is changed to the convenience. The top surface of the worktable 100 is provided with infrared emitters d102 near the four corners thereof, and the four infrared emitters d102 are respectively matched with the infrared receivers on the infrared receiving board 300 near the four corners thereof. This setting provides convenience to the location of work piece: the steel casting to be detected is placed in the space between the four infrared transmitters d102, so that the steel casting can be ensured to be in the area covered by the infrared receiving plate 300; after the steel castings to be detected are replaced, in the process of moving the workbench along the slide rail 101, when the four infrared transmitters d102 respectively sense the corresponding infrared receivers on the infrared receiving plate 300, the workbench is determined to enter the working position, and flaw detection operation can be performed.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A defect processing device system for a flaw detection part of a large steel casting NDT is characterized by comprising a workbench (100), a flaw detection trolley device (200) and an infrared receiving plate (300),
a plurality of through holes (301) are arranged on the infrared receiving plate (300) in a matrix manner, infrared receivers are arranged in the through holes (301), the infrared receiving plate (300) is fixedly arranged, and the workbench (100) is arranged right below the infrared receiving plate (300);
the flaw detection trolley device (200) comprises a trolley and two parallel rails (210), the two rails (210) are respectively arranged on two sides of the workbench (100), and the rails (210) are arranged in parallel with any one side of a matrix formed by the through holes (301);
the trolley comprises a trolley body (220), the trolley body can be slidably arranged on the two rails (210), and the height of the trolley body (220) is greater than that of the workbench (100) and less than that of the infrared receiving plate (300);
the trolley is characterized in that a screw rod (221) is rotatably arranged on the trolley body (220) and a guide rod (222) is fixedly arranged on the trolley body, the screw rod (221) is perpendicular to the travelling direction of the trolley, and the screw rod (221) and the guide rod (222) are arranged in parallel;
the automobile body is characterized by further comprising a moving plate (223), one end of the moving plate (223) is in threaded connection with the screw rod (221), one end, far away from the screw rod (221), of the moving plate (223) is slidably sleeved on the guide rod (222), a first motor (224) is fixedly arranged on the automobile body (220), and an output shaft of the first motor (224) is fixedly connected with one end of the screw rod (221);
be the fixed pneumatic cylinder (225) that is provided with of vertical direction on movable plate (223), the piston rod of pneumatic cylinder (225) passes movable plate (223), the tailpiece of the piston rod portion of pneumatic cylinder (225) is provided with flaw detector (227), the one end center that its piston rod was kept away from in pneumatic cylinder (225) is fixed and is provided with infrared emitter a (226), infrared emitter a (226) and a plurality of infrared receiver homogeneous phase adaptation.
2. The flaw detection part defect processing device system for the large steel casting NDT according to claim 1, wherein a four-angle chuck mechanism (228) is fixedly connected to the end of a piston rod of the hydraulic cylinder (225), and the flaw detector (227) is connected with the piston rod through the four-angle chuck mechanism (228).
3. The device system for processing the defects of the NDT flaw detection part of the large-scale steel casting according to claim 1, wherein driving wheels (231) are arranged on both sides of the front end of the vehicle body (220), driven wheels (232) are arranged on both sides of the rear end of the vehicle body (220), a second motor (234) is further fixedly arranged on the vehicle body (220), and the second motor (234) is used for driving the two driving wheels (231) to rotate.
4. The device system for processing the defects of the NDT flaw detection part of the large-scale steel casting according to claim 3, wherein the axial cross sections of the driving wheel (231) and the driven wheel (232) are I-shaped, a gear (233) is fixedly sleeved in the middle of each driving wheel (231), a rack (211) is fixedly arranged in the center of the rail surface of the rail (210) along the length direction of the rail surface, and the gear (233) is meshed with the rack (211).
5. The device system for processing the defects of the NDT flaw detection part of the large steel casting according to claim 1, further comprising a plurality of sliding rails (101), wherein the plurality of sliding rails (101) are arranged in parallel to the rail (210), and the workbench (100) is slidably arranged on the plurality of sliding rails (101).
6. The flaw processing device system for the NDT flaw detection part of the large-scale steel casting according to claim 5, wherein the top surface of the workbench (100) is provided with infrared transmitters d (102) near four corners thereof, and the four infrared transmitters d (102) are respectively matched with infrared receivers on the infrared receiving plate (300) near four corners thereof.
7. The device system for processing the flaw detection part of the large steel casting NDT according to any one of claims 1 to 6, further comprising a milling industrial robot (400), wherein an infrared emitter b (401) is arranged on the milling industrial robot (400), and the infrared emitter b (401) is matched with a plurality of infrared receivers.
8. The device system for processing the flaw detection part of the large-scale steel casting NDT according to claim 7, further comprising a welding industrial robot (500), wherein an infrared emitter c (501) is arranged on the welding industrial robot (500), and the infrared emitter c (501) is matched with a plurality of infrared receivers.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911025448.8A CN110632085B (en) | 2019-10-25 | 2019-10-25 | Large-scale steel casting NDT position defect processing apparatus system that detects a flaw |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911025448.8A CN110632085B (en) | 2019-10-25 | 2019-10-25 | Large-scale steel casting NDT position defect processing apparatus system that detects a flaw |
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| CN110632085A true CN110632085A (en) | 2019-12-31 |
| CN110632085B CN110632085B (en) | 2022-06-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111941095A (en) * | 2020-08-11 | 2020-11-17 | 西安航空职业技术学院 | Automatic detection and grinding system for surface defects of titanium and titanium alloy wire blank |
| CN117605921A (en) * | 2024-01-19 | 2024-02-27 | 三鑫特材(常州)股份有限公司 | Large-scale steel casting flaw detection processing apparatus |
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| CN117605921A (en) * | 2024-01-19 | 2024-02-27 | 三鑫特材(常州)股份有限公司 | Large-scale steel casting flaw detection processing apparatus |
| CN117605921B (en) * | 2024-01-19 | 2024-03-22 | 三鑫特材(常州)股份有限公司 | Large-scale steel casting flaw detection processing apparatus |
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| CN110632085B (en) | 2022-06-07 |
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