CN219201456U - Automatic flaw detection system for large-specification pipe and rod materials - Google Patents

Abstract

The utility model discloses an automatic flaw detection system for large-specification pipe bars, which comprises a flaw detection structure, a flaw detection device and a pressing device, wherein the flaw detection structure comprises a bearing device capable of detecting pipe bars, and the pressing device is used for pressing the pipe bars on the bearing device; a conveying structure comprising a first conveying center and a second conveying center; the material pressing structure is used for pressing the pipe bars leaked from the two sides of the flaw detection structure; the feeding structure is used for conveying the pipe and the rod materials to the first conveying center one by one; the material turning structure can slowly place the pipe and the rod material in the first conveying center; the mark spraying device is used for marking unqualified parts of the pipe and bar materials detected by the flaw detection structure; the blanking structure can separate and convey the pipe and rod materials to be combined or not; the utility model can realize automatic feeding and discharging of the pipe and bar materials, realize flaw detection of the large-specification pipe and bar materials, and has higher detection efficiency and high degree of automation.

Description

Automatic flaw detection system for large-specification pipe and rod materials

Technical Field

The utility model relates to the technical field of pipe and rod flaw detection equipment, in particular to an automatic flaw detection system for large-specification pipe and rod materials.

Background

The existing pipe and rod materials are mostly small-sized equipment, do not have the functions of automatic feeding and discharging, cannot detect the pipe and rod materials with large specifications, and have the problems of low detection efficiency, low automation degree and poor economical efficiency.

Disclosure of Invention

In order to overcome the defects, the utility model aims to provide an automatic flaw detection system for large-size pipe bars.

In order to achieve the above object, the present utility model comprises:

the flaw detection structure comprises a frame with a water tank, a bearing device and a pressing device, wherein the bearing device is arranged in the water tank and used for bearing a conveying pipe bar and detecting transverse defects, longitudinal defects and wall thickness of the pipe bar;

the conveying structure comprises a first conveying center and a second conveying center which are arranged in the same way, the first conveying center and the second conveying center are respectively positioned at two sides of the flaw detection structure, the first conveying center is used for conveying the pipe rod material to the flaw detection structure, and the second conveying center is used for conveying the pipe rod material detected by the flaw detection structure;

The material pressing structure is arranged at two sides of the flaw detection structure and is positioned between the conveying structure and the flaw detection structure, and the conveying structure is used for compacting the pipe and the rod materials leaked from two sides of the flaw detection structure;

the feeding structure is arranged on the opposite side part of the first conveying center and used for conveying the pipe rods to the direction of the first conveying center one by one;

the material turning structure is arranged between the first conveying center and the feeding structure, is used for receiving the pipe rod materials conveyed by the feeding structure to the direction of the first conveying center, and can slowly place the pipe rod materials in the first conveying center;

the mark spraying device is arranged between the material pressing structure and the second conveying center and is used for marking unqualified parts of the pipe bars detected by the flaw detection structure;

and the blanking structure is arranged at two sides of the second conveying center and can separate and convey the pipe and rod materials to be combined or not.

According to the pipe bar conveying device, the pipe bars are conveyed to the material turning structure one by one through the control feeding structure, the pipe bars are slowly conveyed to the first conveying center through the material turning structure, the pipe bars are conveyed to the material pressing structure through the first conveying center, the pipe bars are pressed by the material pressing structure, the pipe bars can be detected and conveyed through the bearing device, the pipe bars can be pressed on the bearing device through the pressing device, the detected pipe bars are gradually moved to the material pressing structure on the other side of the rack, the marking device can mark the defect of the pipe bars, after the pipe bars completely enter the second conveying center, the pipe bars with damages are conveyed to one side of the second conveying center through the material discharging structure, the qualified pipe bars are conveyed to the other side of the second conveying center, automatic feeding and discharging of the pipe bars are achieved, flaw detection of the pipe bars is achieved, higher detection efficiency is achieved, and the degree of automation is high.

In the above-mentioned preferred technical solution of the automatic flaw detection system for pipe and rod materials, the carrying device includes:

the bearing tool comprises three bearing tools, wherein each bearing tool comprises a base, a limit column is arranged at the corner of each base, a sliding plate is slidably arranged outside each limit column, a spring is sleeved on each limit column, a mounting box is arranged on the upper surface of each sliding plate through a first rubber column, a clamping seat is rotatably arranged on the inner wall of each mounting box, an ultrasonic probe is arranged on each clamping seat, a worm wheel is fixedly connected onto each clamping seat, the worm wheel is positioned outside each mounting seat, a worm is rotatably arranged on the side part of each mounting seat, the worm is meshed with each worm wheel, a first roller set is rotatably arranged at the top of each mounting seat, and each first roller set is used for forming rolling conveying of pipe rods;

the first driving cylinder is arranged at the bottom of the water tank, and extends out of the shaft, stretches into the water tank and is connected with the center of the bottom of the mounting seat;

the first worm gear lifter is arranged at the bottom of the water tank and used for controlling the water tank to move up or down relative to the frame.

In the preferable technical scheme of the automatic flaw detection system for the pipe and the rod, the pressing device comprises:

The connecting plate is slidably arranged on the frame;

the second worm gear lifter is arranged at the top of the frame and used for controlling the connecting plate to move vertically;

the pressing tool comprises three supports, the supports are mounted on the connecting plate and extend to the upper portion of the bearing device, second driving cylinders are arranged at the tops of the supports, first pressing plates are arranged at the bottoms of the supports, second driving cylinder extending shafts are connected with the first pressing plates, second rubber columns are mounted at corners of the lower surfaces of the first pressing plates, second pressing plates are fixedly connected to the bottoms of the second rubber columns, and second roller groups are mounted on the lower surfaces of the second pressing plates.

In the above-mentioned preferred technical solution of the automatic flaw detection system for pipe and rod materials, the first conveying center includes:

the conveying tables are arranged on the side parts of the flaw detection structures, each conveying table is rotatably provided with a rotary table, each rotary table is rotatably provided with a driving roller and a driven roller, each rotary table is fixedly connected with a first driving motor, and each first driving motor is used for driving the driving roller to rotate;

The mounting seat is arranged on the side part of the conveying table at the edge, the mounting table is rotatably arranged on the upper part of the mounting seat, a third worm gear lifter is fixedly connected onto the mounting table, a first connecting rod is rotatably arranged at the output end of the third worm gear lifter, and the first connecting rod extends to the frame;

and one end of the first transmission rod is rotatably installed with the first connecting rod, and the other end of the first transmission rod is fixedly connected with the bottom of the turntable.

In the preferred technical scheme of the automatic flaw detection system for pipe and rod materials, the material pressing structure comprises:

the portal frame is arranged on the side part of the flaw detection structure;

the sliding seat is arranged on the inner side of the portal frame in a sliding manner;

the fourth worm gear lifter is arranged at the top of the portal frame and used for driving the sliding seat to lift on the inner side of the portal frame;

the pressing assembly is arranged on two side parts of the sliding seat and used for pressing pipe rods conveyed on the conveying structure, the pressing assembly comprises side plates arranged on the side parts of the sliding seat, a third driving cylinder is hinged to the upper parts of the side plates, a pressing arm is connected to the bottom of each side plate in a connecting mode, a stretching shaft of the third driving cylinder is hinged to the pressing arm, and a pressing wheel is installed at the bottom of each pressing arm in a rotating mode.

In the preferred technical scheme of the automatic flaw detection system for the pipe and the rod, the material pressing structure further comprises a manual adjusting assembly, and the manual adjusting assembly comprises:

the driving gear is rotatably arranged on the side part of the portal frame;

a first handle mounted on the drive gear;

the driven gear is arranged at the input end of the fourth worm gear lifter;

and the chain is used for connecting the driving gear and the driven gear.

In the preferred technical scheme of the automatic flaw detection system for the pipe and the rod, the feeding structure comprises:

the object placing assembly consists of a plurality of groups of object placing frames, and the object placing frames are arranged on the side part of the first conveying center;

the first rotating rod is rotatably arranged at the bottom of the storage rack, each two storage racks are fixedly connected with a first deflector rod on the first rotating rod, a first speed reducer is arranged at the side part of each storage rack, a second driving motor is arranged at the input end of each first speed reducer, and the output end of each first speed reducer is connected with each first rotating rod.

The second bull stick rotates and installs the supporter bottom and be close to relatively first transportation center, every two between the supporter all link firmly the second driving lever on the second bull stick, first driving lever with the second driving lever all is located and is close to first transportation center one side, the second speed reducer is installed to the supporter lateral part, the second handle is installed to the input of second speed reducer, the output of second speed reducer with the second bull stick links to each other.

In the preferred technical scheme of the automatic flaw detection system for pipe and rod materials, the turning structure comprises:

the base is arranged between every two conveying tables, the top of the base is rotatably provided with a material turning plate, the upper part of the material turning plate is arranged in a V shape, and the height of the material turning plate is positioned at the position of the driving roller;

the first supporting seat is arranged at one side of the first conveying center far away from the flaw detection structure, a fourth driving cylinder is hinged to the surface of one side of the first supporting seat facing the flaw detection structure, a second connecting rod is rotatably arranged on an extending shaft of the fourth driving cylinder, and the second connecting rod extends to the material pressing structure;

and one end of the second transmission rod is rotatably arranged on the second connecting rod, and the other end of the second transmission rod is connected with the material turning plate.

In the preferable technical scheme of the automatic pipe and rod flaw detection system, the blanking structure comprises a first blanking component and a second blanking component which have the same structure, and the first blanking component and the second blanking component are respectively positioned at two sides of the second conveying center;

the first blanking assembly comprises a material receiving frame, the material receiving frame is provided with a plurality of groups, the top of the material receiving frame is higher than the second conveying center, the material receiving frame is provided with a third rotating rod in a way of rotating close to one side of the second conveying center, each of the third rotating rods is provided with a material turning rod between every two material receiving frames, the material turning rods are provided with a hooking part towards one side of the second conveying center, the side part of the material receiving frame is provided with a second supporting seat, the second supporting seat is hinged with a fifth driving cylinder towards one side of the third rotating rod, a third transmission rod is connected to the extending shaft of the fifth driving cylinder in a rotating way, and the other end of the third transmission rod is connected with the third rotating rod.

In the preferable technical scheme of the automatic flaw detection system for pipe and rod materials, the material receiving rack is provided with a clamping part at one side far away from the second conveying center.

The pipe and rod detection device has the advantages that the pipe and rod materials are conveyed to the turning structure one by one through the control feeding structure, then the pipe and rod materials are slowly placed on the first conveying center through the turning structure, the pipe and rod materials are conveyed to the pressing structure through the first conveying center, the pressing structure presses the pipe and rod materials, the bearing device can detect and convey the pipe and rod materials, the pressing device can press the pipe and rod materials on the bearing device, the detected pipe and rod materials gradually move to the pressing structure on the other side of the frame, the mark spraying device can perform marking treatment on the defect position of the pipe and rod materials, after the pipe and rod materials completely enter the second conveying center, the damaged pipe and rod materials can be conveyed to one side of the second conveying center through the blanking structure, the qualified pipe and rod materials are conveyed to the other side of the second conveying center, automatic feeding and blanking of the pipe and rod materials are achieved, large-size pipe and rod materials are detected, high detection efficiency is achieved, and the degree of automation is high.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a schematic diagram of a flaw detection structure and a swage structure;

FIG. 3 is a diagram showing the connection relationship between a rack and a carrying device;

FIG. 4 is a schematic view of a carrier;

FIG. 5 is a schematic view of a mounting box;

FIG. 6 is a schematic view of a compression device;

FIG. 7 is a schematic view of a first conveyance center;

FIG. 8 is a first partial schematic view of a loading structure, a pressing structure, and a conveying structure;

FIG. 9 is a second partial schematic view of a loading structure, a pressing structure, and a conveying structure;

FIG. 10 is a schematic view of a third portion of the loading structure, the pressing structure, and the conveying structure;

FIG. 11 is a schematic view of a second conveyance center;

FIG. 12 is a schematic view of a portion of a blanking structure and a conveying structure;

FIG. 13 is a first schematic view of a press structure;

FIG. 14 is a second schematic view of a press structure;

in the figure: the flaw detection device comprises a flaw detection structure 1, a frame 11, a water tank 12, a bearing device 13, a base 131, a limit column 132, a sliding plate 133, a spring 134, a first rubber column 135, an installation box 136, a clamping seat 138, an ultrasonic probe 139, a worm wheel 1310, a worm 1311, a first roller group 1312, a first driving cylinder 1313, a first worm gear lifter 1314, a connecting plate 141, a second worm gear lifter 142, a bracket 143, a second driving cylinder 144, a first pressing plate 145, a second rubber column 146, a second pressing plate 147, a second roller group 148 and a pressing device 14;

Conveying structure 2, first conveying center 21, conveying table 211, turntable 212, driving roller 213, driven roller 214, first driving motor 215, mounting base 216, mounting table 217, third worm gear lifter 218, first link 219, first transmission rod 2110, second conveying center 22;

the pressing structure 3, the portal frame 31, the sliding seat 32, the fourth worm gear lifter 33, the side plate 34, the third driving cylinder 35, the pressing arm 36, the pressing wheel 37, the driving gear 38, the first handle 39 and the driven gear 310;

the feeding structure 4, the commodity shelf 41, the first rotating rod 42, the first deflector rod 43, the first speed reducer 44, the second driving motor 45, the second rotating rod 46, the second deflector rod 47, the second speed reducer 48 and the second handle 49;

the material turning structure 5, the base 51, the material turning plate 52, the first supporting seat 53, the fourth driving cylinder 54, the second connecting rod 55 and the second transmission rod 56;

a label spraying device 6;

the blanking structure 7, the first blanking component 71, the material collecting frame 711, the clamping part 7111, the third rotating rod 712, the material turning rod 713, the hooking part 7131, the second supporting seat 714, the fifth driving cylinder 715, the third driving rod 716 and the second blanking component 72.

Detailed Description

Preferred embodiments of the present utility model are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model.

It should be noted that, in the description of the present utility model, terms such as "upper", "lower", "left", "right", "front", "rear", and the like, which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings, are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present utility model, unless explicitly stated and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

As shown in fig. 1 to 14, an automatic flaw detection system for large-sized pipe and rod materials according to the present utility model comprises:

the flaw detection structure 1 comprises a frame 11 with a water tank 12, a bearing device 13 arranged in the water tank 12 and used for bearing a conveying pipe bar and capable of detecting transverse defects, longitudinal defects and wall thickness of the pipe bar, and a pressing device 14 arranged above the frame 11 and the bearing device 13 and used for pressing the pipe bar on the bearing device 13;

The conveying structure 2 comprises a first conveying center 21 and a second conveying center 22 which are arranged in the same way, wherein the first conveying center 21 and the second conveying center 22 are respectively positioned at two sides of the flaw detection structure 1, the first conveying center 21 is used for conveying the pipe rod materials to the flaw detection structure 1, and the second conveying center 22 is used for conveying the pipe rod materials detected by the flaw detection structure 1;

the material pressing structures 3 are arranged on two sides of the flaw detection structure 1 and are positioned between the conveying structure 2 and the flaw detection structure 1, and the conveying structure 2 is used for pressing pipe rods leaked from two sides of the flaw detection structure 1;

the feeding structure 4 is configured at the opposite side part of the first conveying center 21, and is used for conveying the pipe and the rod materials to the direction of the first conveying center 21 one by one;

the material turning structure 5 is arranged between the first conveying center 21 and the feeding structure 4, and is used for receiving the pipe rod materials conveyed by the feeding structure 4 to the direction of the first conveying center 21 and slowly placing the pipe rod materials in the first conveying center 21;

The mark spraying device 6 is arranged between the material pressing structure 3 and the second conveying center 22 and is used for marking unqualified parts of the pipe bars detected by the flaw detection structure 1;

and the blanking structure 7 is arranged at two sides of the second conveying center 22, and the blanking structure 7 can sort and convey the pipe and rod materials which are not combined.

Referring to fig. 1-14, the automatic flaw detection system for the large-size pipe rod material comprises a flaw detection structure 1, a conveying structure 2, a material pressing structure 3, a feeding structure 4, a material turning structure 5, a mark spraying device 6 and a discharging structure 7.

Referring to fig. 2-6, the flaw detection structure 1 comprises a frame 11, a water tank 12 is arranged on the frame 11, a bearing device 13 is installed in the water tank 12, the bearing device 13 is used for supporting and conveying pipe bars conveyed by the conveying structure 2 and detecting transverse defects, longitudinal defects and wall thickness of the pipe bars, detection data of the pipe bars are uploaded to a cloud system for storage, a pressing device 14 is installed above the bearing device 13 on the frame 11, the pressing device 14 is used for pressing the pipe bars on the bearing device 13, the possibility of shaking of the pipe bars during conveying is reduced, and accordingly detection accuracy of the bearing device 13 on the pipe bars is improved.

Referring to fig. 9 to 12, the conveying structure 2 includes a first conveying center 21 and a second conveying center 22 having the same structure, the first conveying center 21 and the second conveying center 22 are respectively located at two side portions of the frame 11, the first conveying center 21 can convey the pipe bar material to the carrying device 13, the second conveying center 22 can convey the pipe bar material detected by the carrying device 13 to the outside, and the pipe bar material is collected by the blanking structure 7 disposed at two side portions of the second conveying center 22.

Referring to fig. 2, 13 and 14, the material pressing structures 3 are arranged on two sides of the frame 11, so that the material pressing structures 3 at the first conveying center 21 are located between the frame 11 and the first conveying center 21, the material pressing structures 3 at the second conveying center 22 are located between the frame 11 and the second conveying center 22, after the pipe bar materials are conveyed to the bearing device 13 for detection through the arrangement, the material pressing structures 3 can further press one side or two sides of the pipe bar materials, and therefore shaking of the pipe bar materials on the bearing device 13 is further reduced, and the detection precision of the pipe bar materials is improved.

Referring to fig. 7-10, the feeding structure 4 is located at a side portion of the first conveying center 21, and the feeding structure 4 can automatically convey the pipe bars to the turning structure 5 one by one, so that the manual feeding process is reduced, the detection efficiency of the pipe bars is improved, and the labor cost is reduced.

Referring to fig. 7-10, the material turning structure 5 is arranged between the first conveying center 21 and the feeding structure 4, the material turning structure 5 is used as an intermediate station between the feeding structure 4 and the first conveying center 21, the material turning structure 5 can receive the pipe bar conveyed by the feeding structure 4 and can slowly place the pipe bar on the first conveying center 21, the possibility that the pipe bar falls in the feeding process is reduced, damage to parts of the application is avoided when the pipe bar falls, and the service life of the application is prolonged.

Referring to fig. 11, the mark spraying device 6 is a JC-GX20D type fiber laser electrothermal tube marking machine, and the mark spraying device 6 is connected with the cloud system, so that the mark spraying device 6 can make marks on defective positions on the pipe and rod materials, and cutting is convenient in subsequent processing. It will be appreciated that the marking device 6 may be any other type of machine, such as a carbon dioxide laser marking machine, and the like, and is not limited in particular.

Referring to fig. 11 and 12, the blanking structure 7 is disposed on two sides of the second conveying center 22, one side of the second conveying center 22 is used for placing qualified pipe bars, the other side of the second conveying center 22 is used for placing pipe bars with defects, the pipe bars conveyed by the second conveying center 22 can be sorted by disposing the blanking structure 7, the pipe bars can be processed by the subsequent workers conveniently through the operation, and the output efficiency of pipe bar finished products is improved.

During operation, the large-scale pipe and rod materials are stacked on the feeding structure 4 through the crane or the forklift, the feeding structure 4 is controlled to work, the feeding structure 4 conveys the pipe and rod materials to the turning structure 5 one by one, the pipe and rod materials are slowly placed on the first conveying center 21 through the turning structure 5, the first conveying center 21 conveys the pipe and rod materials to the pressing structure 3, the pressing structure 3 presses the pipe and rod materials, meanwhile, the first conveying center 21 continuously drives the pipe and rod materials to move towards the bearing device 13, the bearing device 13 can detect and convey the pipe and rod materials when the pipe and rod materials move between the bearing device 13 and the pressing device 14, the pressing device 14 can press the pipe and rod materials on the bearing device 13, the detected pipe and rod materials gradually move towards the pressing structure 3 on the other side of the frame 11, the spraying device 6 can perform marking treatment on the defect of the pipe and rod materials when the pipe and rod materials move to the position of the spraying device 6 on the side of the pressing structure 3, the pipe and rod materials enter the second conveying center 22 after the pipe and rod materials pass through the spraying device 6, the pipe and rod materials enter the second conveying center 22, the pipe and rod materials can be conveyed to the second conveying center 22 to the other side of the second conveying center 22 completely after the pipe and rod materials enter the second conveying center 22, and the second conveying center 22 can be damaged and pass through the second conveying center 7.

In one or more embodiments, the carrying device 13 comprises:

the bearing tool comprises three bearing tools, each bearing tool comprises a base 131, a limit column 132 is installed at the corner of each base 131, a sliding plate 133 is slidably installed on the outer side of each limit column 132, a spring 134 is sleeved on each limit column 132, an installation box 136 is arranged on the upper surface of each sliding plate 133 through a first rubber column 135, a clamping seat 138 is rotatably installed on the inner wall of each installation box 136, an ultrasonic probe 139 is installed on each clamping seat 138, a worm wheel 1310 is fixedly connected to each clamping seat 138, each worm wheel 1310 is located outside each installation box 136, a worm 1311 is rotatably installed on the side of each installation box 136, each worm 1311 is meshed with each worm wheel 1310, a first roller group 1312 is rotatably installed on the top of each installation box 136, and each first roller group 1312 is used for forming rolling conveying of pipe bars;

a first driving cylinder 1313 mounted at the bottom of the water tank 12, wherein the first driving cylinder 1313 extends out of the shaft into the water tank 12 and is connected to the bottom center of the mounting box 136;

a first worm gear lifter 1314, which is mounted on the bottom of the frame 11 and on the bottom of the water tank 12, and is used for controlling the water tank 12 to move up or down relative to the frame 11.

Referring to fig. 2-5, two rotatable clamping seats 138 are provided in the mounting box 136, an ultrasonic probe 139 is provided in each clamping seat 138, namely, two worm gears 1310 fixedly connected with the clamping seats 138 are respectively provided at two sides of the mounting box 136, correspondingly, two worm gears 1311 are provided, and the worm gears 1310 are meshed with the worm gears 1311, so that the incident angle of the ultrasonic probe 139 can be conveniently adjusted, the detection of pipe bars with different sizes is satisfied, and the ultrasonic probe has stronger suitability.

Referring to fig. 3, three bearing tools are sequentially arranged from left to right, and ultrasonic probes 139 in the three bearing tools are respectively used for detecting transverse defects, longitudinal defects and wall thickness of the pipe bar, so that the detection precision of the pipe bar is improved.

Referring to fig. 4, the mounting box 136 is mounted on the sliding plate 133 through four flexible first rubber columns 135, that is, after the pipe bar is placed on the first roller set 1312, the first roller set 1312 can adapt to the offset of the occurrence of the pipe bar by the offset of the mounting box 136 so that the pipe bar can smoothly roll and advance on the first roller set 1312.

Referring to fig. 2-5, the application drives the installation case 136 to vertically move up and down in the water tank 12 through setting up the first driving cylinder 1313 to this increase this application is to the matching of the tubular bar material of different diameters, improves the application scope of this application, forms the support to the installation case 136 through spring 134 simultaneously, and further makes the tubular bar material can be hugged closely to the first roller set 1312 that sets up on the installation case 136 for the interval between ultrasonic probe 139 and the tubular bar material remains the fixed value throughout, with this detection precision to tubular bar material of this application of improvement.

Referring to fig. 3, a first worm gear lifter 1314 is installed at the bottom of the water tank 12 on the frame 11, the first worm gear lifter 1314 has an input end and an output end, the output end of the first worm gear lifter 1314 is fixedly connected to the lower surface of the water tank 12, the output end of a reverser is installed at the input end of the first worm gear lifter 1314, a handle is installed at the input end of the reverser, the reverser is rotated by rotating the handle, and the reverser drives the output end of the first worm gear lifter 1314 to lift up, so that the overall lifting of the water tank 12 is realized, the detection of pipe bars with different specifications is met, and higher suitability is achieved.

In one or more embodiments, the compacting apparatus 14 includes:

a connection plate 141 slidably mounted on the frame 11;

a second worm gear lifter 142 mounted on the top of the frame 11 for controlling the connection plate 141 to move vertically;

the compaction fixture is arranged on the connecting plate 141 and comprises three compaction fixtures, each compaction fixture comprises a bracket 143, each bracket 143 is arranged on the connecting plate 141 and extends to the upper part of the bearing device 13, a second driving cylinder 144 is arranged at the top of each bracket 143, a first pressing plate 145 is arranged at the bottom of each bracket 143, a second driving cylinder 144 extending shaft is connected with the first pressing plate 145, a second rubber column 146 is arranged at the corner of the lower surface of each first pressing plate 145, a second pressing plate 147 is fixedly connected to the bottom of each second rubber column 146, and a second roller group 148 is arranged on the lower surface of each second pressing plate 147.

Referring to fig. 6, the connection plate 141 is located at a side of the frame 11 near the water tank 12, and the second worm gear lifter 142 controls the connection plate 141 to vertically lift up and down on the frame 11 through a sliding rail. Alternatively, the vertical lifting of the connection plate 141, such as a hydraulic rod, may be controlled by other means.

Referring to fig. 6, the pressing tools are installed on the connection plate 141, and each pressing tool is provided with three pressing tools, and each pressing tool is arranged in one-to-one correspondence with the bearing tool, and each pressing tool comprises a bracket 143, a second driving cylinder 144, a first pressing plate 145, a second rubber column 146, a second pressing plate 147 and a second roller group 148; the first clamp plate 145 is installed on the projecting shaft of second actuating cylinder 144, the second clamp plate 147 is installed at first clamp plate 145 lower surface through four flexible second rubber columns 146, second roller train 148 is installed at second clamp plate 147 lower surface, second roller train 148 corresponds the setting with first roller train 1312, through setting up flexible second rubber column 146 with first clamp plate 145 and second clamp plate 147 connection, make the whole back that moves down of second worm gear lift 142 control compress tightly the frock, make second roller train 148 compress tightly on the pipe rod, when second roller train 148 can adapt to the biasing that appears of pipe rod, make the pipe rod can smoothly rotate between first roller train 1312 and second roller train 148 and step up to second conveying center 22 direction, simultaneously through setting up flexible second rubber column 146 and flexible first rubber column 135 can avoid the pipe rod to be difficult to get into between first roller train 1312 and the second roller train 148 because of pipe rod surface unevenness, possess the practicality, and compress tightly the frock with the pipe rod on first roller train 1312, make pipe rod 139 with the fixed precision of pipe rod 139 to the bottom of ultrasonic probe 139.

In one or more embodiments, the first delivery center 21 includes:

the conveying tables 211 are arranged on the side part of the flaw detection structure 1, a plurality of groups of conveying tables 211 are rotatably arranged on each conveying table 211, a driving roller 213 and a driven roller 214 are rotatably arranged on each rotary table 212, a first driving motor 215 is fixedly connected to each rotary table 212, and the first driving motor 215 is used for driving the driving roller 213 to rotate;

the mounting seat 216 is arranged on the side part of the conveying table 211 at the edge, a mounting table 217 is rotatably arranged on the upper part of the mounting seat 216, a third worm gear lifter 218 is fixedly connected to the mounting table 217, a first connecting rod 219 is rotatably arranged at the output end of the third worm gear lifter 218, and the first connecting rod 219 extends to the frame 11;

and one end of the first transmission rod 2110 is rotatably installed with the first connecting rod 219, and the other end of the first transmission rod 2110 is fixedly connected with the bottom of the turntable 212.

Referring to fig. 7-12, a plurality of groups of conveying tables 211 are arranged at two sides of a frame 11, the specific number of the groups of conveying tables 211 is determined according to the length of a pipe rod, a turntable 212 is rotatably mounted at the top of each conveying table 211 through a first bearing, a driving roller 213 and a driven roller 214 are rotatably mounted on each turntable 212 along the direction perpendicular to the placing direction of the conveying tables 211, a first driving motor 215 is mounted on each turntable 212 through bolts, the first driving motor 215 is used for driving the driving roller 213 to rotate, a mounting seat 216 is arranged at the side part of the conveying table 211 at the most edge, a mounting table 217 is rotatably mounted on the mounting seat 216 through a second bearing, a third worm gear lifter 218 is mounted on the surface of one side of the mounting table 217 facing the frame 11 through bolts, a first connecting rod 219 is rotatably mounted at the output end of the third worm gear lifter 218, the first connecting rod 219 extends to the side of the frame 11, a first transmission rod 2110 is fixedly connected to the bottom of each turntable 212, and the other end of the first transmission rod 2110 is rotatably mounted on the first connecting rod 219.

After the pipe bar is conveyed between the driving roller 213 and the driven roller 214 through the turning structure 5, the third worm gear lifter 218 is controlled to drive the first connecting rod 219 to move along the arrangement direction of the conveying tables 211, the first connecting rod 219 drives the turntable 212 to adjust to a preset angle on the conveying tables 211 through the first transmission rod 2110, the adjustment of the feeding pitch of the pipe bar is realized by adjusting the deflection angles of the driving roller 213 and the driven roller 214, the conveying and detection of pipe bars with different diameters are met, it is understood that when the deflection angles of the driving roller 213 and the driven roller 214 are adjusted, the third worm gear lifter 218 is slightly rotated through the mounting table 217 under the reaction force of the first connecting rod 219, so that the working stability of the third worm gear lifter 218 is ensured, and then the first driving motor 215 is controlled to drive the driving roller 213 to rotate, so that the pipe bar is conveyed towards the frame 11, and the pipe bar conveying method is simple to operate and high in practicability.

The first conveying center 21 and the second conveying center 22 are identical in structure.

In one or more embodiments, the nip structure 3 includes:

a portal frame 31, wherein the portal frame 31 is installed at the side part of the flaw detection structure 1;

A slide 32, the slide 32 being slidably mounted inside the gantry 31;

a fourth worm gear lifter 33 mounted on the top of the gantry 31 for driving the slider 32 to lift inside the gantry 31;

the material pressing assembly is arranged on two side parts of the sliding seat 32 and is used for pressing the pipe rod materials conveyed on the conveying structure 2, the material pressing assembly comprises a side plate 34 arranged on the side part of the sliding seat 32, a third driving cylinder 35 is hinged to the upper part of the side plate 34, a pressing arm 36 is connected to the bottom of the side plate 34, a protruding shaft of the third driving cylinder 35 is hinged to the pressing arm 36, and a pressing wheel 37 is rotatably arranged at the bottom of the pressing arm 36.

Referring to fig. 13, two sides of a portal frame 31 are provided with conveying tables 211, two conveying tables 211 are provided with a turntable 212, a driving roller 213 and a driven roller 214, pinch rollers 37 mounted at the bottoms of two side pressure arms 36 of a sliding seat 32 are respectively arranged corresponding to the two conveying tables 211, arc grooves are formed in the bottoms of the pressure arms 36, and the tops of the pinch rollers 37 are arranged to extend into the arc grooves, so that the pinch rollers 37 can only rotate at an angle limited by the arc grooves, and the deflection angles of the driving roller 213 and the driven roller 214 are matched, thereby facilitating conveying of pipe bars.

When the pipe rod is required to be pressed on the driving roller 213 and the driven roller 214, the fourth worm gear lifter 33 is firstly controlled to drive the sliding seat 32 to move downwards in the portal frame 31, the extrusion shaft of the third driving cylinder 35 is controlled to drive the pressing arm 36 to rotate, so that the pressing wheel 37 is perpendicular to the conveying table 211, and then the sliding seat 32 is continuously controlled to move downwards to press the pressing wheel 37 on the pipe rod, so that the operation is simple, the stability in detection can be effectively ensured, the shaking of the pipe rod is reduced, and the detection precision of the pipe rod is improved.

In one or more embodiments, the nip structure 3 further comprises a manual adjustment assembly comprising:

a driving gear 38 rotatably installed at a side portion of the gantry 31;

a first handle 39 mounted on the drive gear 38;

a driven gear 310 mounted on the input end of the fourth worm gear lifter 33;

and a chain for connecting the driving gear 38 and the driven gear 310.

Referring to fig. 14, when the height of the pinch roller 37 needs to be finely tuned, the first handle 39 is manually rotated, the first handle 39 drives the driving gear 38 and the chain (not shown in the drawing) to synchronously rotate, and the driven gear 310 synchronously rotates along with the chain, so that the fourth worm gear lifter 33 drives the sliding seat 32 to vertically lift in the portal frame 31, the fine tuning requirement is met, the operation is simple, and the adaptability is strong.

In one or more embodiments, the feeding structure 4 includes:

the object placing component consists of a plurality of groups of object placing frames 41, and the object placing frames 41 are arranged at the side part of the first conveying center 21;

the first bull stick 42 rotates and installs the supporter 41 bottom, every two between the supporter 41 all link firmly first driving lever 43 on first bull stick 42, first speed reducer 44 is installed to supporter 41 lateral part, second driving motor 45 is installed to the input of first speed reducer 44, the output of first speed reducer 44 with first bull stick 42 links to each other.

The second rotating rod 46 is rotatably arranged at the bottom of the storage rack 41 and relatively close to the first conveying center 21, a second deflector rod 47 is fixedly connected to the second rotating rod 46 between every two storage racks 41, the first deflector rod 43 and the second deflector rod 47 are located at one side close to the first conveying center 21, a second speed reducer 48 is arranged at the side part of each storage rack 41, a second handle 49 is arranged at the input end of each second speed reducer 48, and the output end of each second speed reducer 48 is connected with the corresponding second rotating rod 46.

Referring to fig. 8-10, the top of the shelf 41 is higher than the driving roller 213 and the driven roller 214.

When the pipe bar is fed, firstly, a plurality of pipe bars are placed on the storage rack 41 through a crane or a forklift, the first speed reducer 44 is driven to work through the second driving motor 45, the first speed reducer 44 drives the first rotating rod 42 and the first deflector rod 43 to synchronously rotate, under the action of the first deflector rod 43, the pipe bars are limited on the storage rack 41, meanwhile, the second handle 49 is rotated, the second handle 49 drives the second speed reducer 48 to work, the second speed reducer 48 drives the second rotating rod 46 and the second deflector rod 47 to synchronously rotate, when the pipe bars can slowly pass through the second deflector rod 47, the second handle 49 can be stopped rotating, the angle adjustment of the second deflector rod 47 is completed, afterwards, the first deflector rod 43 is controlled to rotate through the second driving motor 45, the one-by-one feeding is realized, the pipe bar feeding device is simple to operate, and the pipe bars with different sizes can be fed through the adjustment of the inclination angles of the first deflector rod 43 and the second deflector rod 47, and the pipe bar feeding device has practicability.

In one or more embodiments, the turning structure 5 includes:

the base 51 is arranged between every two conveying tables 211, the top of the base 51 is rotatably provided with a material turning plate 52, the upper part of the material turning plate 52 is arranged in a V shape, and the height of the material turning plate 52 is positioned at the position of the driving roller 213;

The first supporting seat 53 is arranged at one side of the first conveying center 21 away from the flaw detection structure 1, a fourth driving cylinder 54 is hinged to the surface of one side of the first supporting seat 53 facing the flaw detection structure 1, a second connecting rod 55 is rotatably arranged on an extending shaft of the fourth driving cylinder 54, and the second connecting rod 55 extends to the position of the material pressing structure 3;

and one end of the second transmission rod 56 is rotatably arranged on the second connecting rod 55, and the other end of the second transmission rod 56 is connected with the material turning plate 52.

Referring to fig. 8 to 10, a base 51 is installed between each two conveying tables 211, a turning plate 52 is rotatably installed on the base 51, the turning plate 52 is approximately V-shaped, the V-shaped bottom of the turning plate 52 is higher than the heights of the driving roller 213 and the driven roller 214 when the turning plate 52 is in a vertical state, and the V-shaped bottom of the turning plate 52 is lower than the heights of the driving roller 213 and the driven roller 214 when the turning plate 52 is in an inclined state.

Referring to fig. 8-10, the first supporting seat 53 is located at a side portion of the mounting seat 216, the first supporting seat 53 may be fixed on the ground by bolts, the first supporting seat 53 is hinged with a fourth driving cylinder 54 towards a side surface of the frame 11, a second connecting rod 55 is hinged on an extending shaft of the fourth driving cylinder 54, the second connecting rod 55 extends to a position close to a conveying table 211 of the frame 11, a second transmission rod 56 is fixedly connected to each material turning plate 52, and the other end of the second transmission rod 56 is rotatably mounted on the second connecting rod 55.

During operation, the extension shaft of the fourth driving cylinder 54 is controlled to retract, the fourth driving cylinder 54 drives the second connecting rod 55 to move towards the side far away from the frame 11, the second connecting rod 55 drives the material turning plate 52 to rotate on the base 51 through the second transmission rod 56, the material turning plate 52 is enabled to be changed into a vertical state from the inclined state, afterwards, the material feeding structure 4 is controlled to convey the pipe bar to the material turning plate 52, the pipe bar falling onto the material turning plate 52 moves to the V-shaped bottom of the material turning plate 52, at the moment, the pipe bar is located between the driving roller 213 and the driven roller 214, the extension shaft of the fourth driving cylinder 54 is controlled to extend, so that the material turning plate 52 is enabled to gradually change into an inclined state from the vertical state, the pipe bar is enabled to fall between the driving roller 213 and the driven roller 214, conveying of the pipe bar is completed, the risk of dropping the pipe bar during conveying can be effectively reduced, safety of the pipe bar during production is guaranteed, meanwhile, the material turning plate 52 can adapt to pipe bars with different sizes, and therefore the application range of the application can be used for detecting different pipe bars.

In one or more embodiments, the blanking structure 7 includes a first blanking assembly 71 and a second blanking assembly 72 having the same structure, and the first blanking assembly 71 and the second blanking assembly 72 are respectively located at two sides of the second conveying center 22;

The first blanking assembly 71 includes a plurality of receiving frames 711, the receiving frames 711 have a plurality of groups, the top of each receiving frame 711 is higher than the second conveying center 22, a third rotating rod 712 is rotatably mounted on one side of each receiving frame 711, which is close to the second conveying center 22, a material turning rod 713 is mounted between every two receiving frames 711 on each third rotating rod 712, each material turning rod 713 has a hooking portion 7131 on one side facing the second conveying center 22, a second supporting seat 714 is arranged on the side of each receiving frame 711, a fifth driving cylinder 715 is hinged on one side facing the third rotating rod 712, a third transmission rod 716 is rotatably connected on the extending shaft of each fifth driving cylinder 715, and the other end of each third transmission rod 716 is connected with the third rotating rod 712.

Referring to fig. 11 and 12, the first blanking assembly 71 and the second blanking assembly 72 with the same structure are respectively located at two sides of the second conveying center 22, the first blanking assembly 71 is used for conveying qualified products, and the second blanking assembly 72 is used for conveying damaged pipe bars.

The first blanking component 71 or the second blanking component 72 includes a plurality of material receiving frames 711 arranged along the length direction of the second conveying center 22, and a third rotating rod 712 and a material turning rod 713 arranged on the material receiving frames 711, wherein the material turning rod 713 is provided with a hooking portion 7131 at one end close to the second conveying center 22, and in an initial state, the hooking portion 7131 is positioned below the driving roller 213 and the driven roller 214.

Referring to fig. 12, a second supporting seat 714 is provided at a side portion of the material receiving frame 711, a fifth driving cylinder 715 is hinged to the second supporting seat 714, a third driving rod 716 is rotatably installed on an extending shaft of the fifth driving cylinder 715, and the other end of the third driving rod 716 is fixedly connected with the third rotating rod 712.

After the detected pipe rod is conveyed to the driving roller 213 and the driven roller 214 at the second conveying center 22, when the pipe rod is detected to be qualified, the extending shaft of the fifth driving cylinder 715 of the first blanking component 71 is controlled to extend, the fifth driving cylinder 715 drives the third rotating rod 712 to rotate anticlockwise through the third transmission rod 716, so that the material turning rod 713 reversely rotates upwards, the pipe rod is conveyed to the receiving rack 711 at the side under the action of the hooking part 7131 of the material turning rod 713, and accordingly, when the pipe rod is damaged, the fifth driving cylinder 715 in the second blanking component 72 can be controlled to work, so that the pipe rod with damage is conveyed to the receiving rack at the other side.

In one or more embodiments, the receiving rack 711 has a locking portion 7111 on a side away from the second conveying center 22.

Referring to fig. 12, by this arrangement, the pipe and bar can be prevented from sliding down on the material receiving frame 711, and correspondingly, the clamping portion 7111 can be installed on the side of the storage rack 41 away from the conveying table 211, so as to avoid the possibility of falling down the pipe and bar.

Working principle:

step one: when feeding pipe bars, firstly, a plurality of pipe bars are placed on a storage rack 41 through a crane or a forklift, a first speed reducer 44 is driven to work through a second driving motor 45, the first speed reducer 44 drives a first rotating rod 42 and a first deflector rod 43 to synchronously rotate, the pipe bars are limited on the storage rack 41 under the action of the first deflector rod 43, and the first deflector rod 43 is controlled to rotate through the second driving motor 45, so that one-by-one feeding is realized;

step two: the pipe bar falls to the V-shaped bottom of the material turning plate 52 through the storage rack 41, and at the moment, the pipe bar is positioned between the driving roller 213 and the driven roller 214, the extension shaft of the fourth driving cylinder 54 is controlled to extend, so that the material turning plate 52 is gradually changed into an inclined state from a vertical state, the pipe bar is lowered between the driving roller 213 and the driven roller 214, and the conveying of the pipe bar is completed;

step three: the third worm gear and worm lifter 218 is controlled to drive the first connecting rod 219 to move along the arrangement direction of the conveying tables 211, the first connecting rod 219 drives the rotary table 212 to be adjusted to a preset angle on the conveying tables 211 through the first transmission rod 2110, and then the first driving motor 215 is controlled to drive the driving roller 213 to rotate, so that the pipe bar is conveyed towards the direction of the frame 11, and the operation is simple and the practicability is high;

Step four: the fourth worm gear lifter 33 is controlled to drive the sliding seat 32 to move downwards in the portal frame 31, the pressing arm 36 is driven to rotate by controlling the extending shaft of the third driving cylinder 35 so as to enable the pressing wheel 37 to be perpendicular to the conveying table 211, and then the sliding seat 32 is continuously controlled to move downwards so as to enable the pressing wheel 37 to be pressed on a pipe bar;

step five: the pipe bar enters the frame 11 and rolls on the first roller group 1312 to move forwards, the first driving cylinder 1313 is controlled to drive the mounting box 136 to move upwards in the water tank 12 so as to enable the pipe bar to be clung to the first roller group 1312, the second worm and gear lifter 142 is used for controlling the compaction tool to move downwards integrally, the second roller group 148 is enabled to be compacted on the pipe bar, the pipe bar can smoothly rotate between the first roller group 1312 and the second roller group 148 and step towards the second conveying center 22, the ultrasonic probe 139 arranged in the mounting box 136 can detect the pipe bar while the pipe bar steps, and data detected by the ultrasonic probe 139 are transmitted to an external cloud system for storage;

step six: after being conveyed to the frame 11, the pipe bar enters the pressing structure 3 at the other side, at the moment, the fourth worm gear and worm lifter 33 at the side is controlled to drive the sliding seat 32 to move downwards in the portal frame 31, the pressing arm 36 is driven to rotate by controlling the extending shaft of the third driving cylinder 35, so that the pressing wheel 37 is perpendicular to the conveying table 211, the sliding seat 32 is continuously controlled to move downwards to press the pressing wheel 37 on the pipe bar, and the pipe bar is pressed at two ends of the extending frame 11 through the pressing structure 3;

Step seven: the mark spraying device 6 is connected with the cloud system, so that the mark spraying device 6 can mark the part with the defect on the pipe rod material, and cutting is convenient in subsequent processing;

step eight: the deflection angles of the driving roller 213 and the driven roller 214 in the second conveying center 22 are adjusted, so that the pipe rod conveyed to the driving roller 213 and the driven roller 214 can move away from the frame 11;

step nine: after the detected pipe rod is conveyed to the driving roller 213 and the driven roller 214 at the second conveying center 22, and when the pipe rod is detected to be qualified, the extending shaft of the fifth driving cylinder 715 of the first blanking assembly 71 is controlled to extend, the fifth driving cylinder 715 drives the third rotating rod 712 to rotate anticlockwise through the third transmission rod 716, so that the material turning rod 713 reversely rotates upwards, and the pipe rod is conveyed to the material receiving rack 711 at the side under the action of the hooking part 7131 of the material turning rod 713; when the pipe rod has damage, the fifth driving cylinder 715 in the second discharging assembly 72 can be controlled to operate so that the pipe rod with damage is transported to the material receiving rack 711 at the other side.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims (10)

1. An automatic flaw detection system for large-size pipe bars, which is characterized by comprising:

the flaw detection structure comprises a frame with a water tank, a bearing device and a pressing device, wherein the bearing device is arranged in the water tank and used for bearing a conveying pipe bar and detecting transverse defects, longitudinal defects and wall thickness of the pipe bar;

the conveying structure comprises a first conveying center and a second conveying center which are arranged in the same way, the first conveying center and the second conveying center are respectively positioned at two sides of the flaw detection structure, the first conveying center is used for conveying the pipe rod material to the flaw detection structure, and the second conveying center is used for conveying the pipe rod material detected by the flaw detection structure;

the material pressing structure is arranged at two sides of the flaw detection structure and is positioned between the conveying structure and the flaw detection structure, and the conveying structure is used for compacting the pipe and the rod materials leaked from two sides of the flaw detection structure;

the feeding structure is arranged on the opposite side part of the first conveying center and used for conveying the pipe rods to the direction of the first conveying center one by one;

The material turning structure is arranged between the first conveying center and the feeding structure, is used for receiving the pipe rod materials conveyed by the feeding structure to the direction of the first conveying center, and can slowly place the pipe rod materials in the first conveying center;

the mark spraying device is arranged between the material pressing structure and the second conveying center and is used for marking unqualified parts of the pipe bars detected by the flaw detection structure;

and the blanking structure is arranged at two sides of the second conveying center and can separate and convey the pipe and rod materials to be combined or not.

2. The automatic flaw detection system for large-size pipe and rod materials according to claim 1, wherein: the carrying device comprises:

the bearing tool comprises three bearing tools, wherein each bearing tool comprises a base, a limit column is arranged at the corner of the base, a sliding plate is slidably arranged outside each limit column, a spring is sleeved on each limit column, an installation box is arranged on the upper surface of each sliding plate through a first rubber column, a clamping seat is rotatably arranged on the inner wall of each installation box, an ultrasonic probe is arranged on each clamping seat, a worm wheel is fixedly connected onto each clamping seat, the worm wheel is positioned outside each installation box, a worm is rotatably arranged on the side part of each installation box, the worm is meshed with the worm wheel, a first roller set is rotatably arranged at the top of each installation box, and each first roller set is used for forming rolling conveying of pipe rods;

The first driving cylinder is arranged at the bottom of the water tank, and the first driving cylinder extends out of the shaft, extends into the water tank and is connected with the center of the bottom of the installation tank;

the first worm gear lifter is arranged at the bottom of the water tank and used for controlling the water tank to move up or down relative to the frame.

3. The automatic flaw detection system for large-size pipe and rod materials according to claim 1, wherein: the compressing apparatus includes:

the connecting plate is slidably arranged on the frame;

the second worm gear lifter is arranged at the top of the frame and used for controlling the connecting plate to move vertically;

the pressing tool comprises three supports, the supports are mounted on the connecting plate and extend to the upper portion of the bearing device, second driving cylinders are arranged at the tops of the supports, first pressing plates are arranged at the bottoms of the supports, second driving cylinder extending shafts are connected with the first pressing plates, second rubber columns are mounted at corners of the lower surfaces of the first pressing plates, second pressing plates are fixedly connected to the bottoms of the second rubber columns, and second roller groups are mounted on the lower surfaces of the second pressing plates.

4. The automatic flaw detection system for large-size pipe and rod materials according to claim 1, wherein: the first conveying center includes:

the conveying tables are arranged on the side parts of the flaw detection structures, each conveying table is rotatably provided with a rotary table, each rotary table is rotatably provided with a driving roller and a driven roller, each rotary table is fixedly connected with a first driving motor, and each first driving motor is used for driving the driving roller to rotate;

the mounting seat is arranged on the side part of the conveying table at the edge, the mounting table is rotatably arranged on the upper part of the mounting seat, a third worm gear lifter is fixedly connected onto the mounting table, a first connecting rod is rotatably arranged at the output end of the third worm gear lifter, and the first connecting rod extends to the frame;

and one end of the first transmission rod is rotatably installed with the first connecting rod, and the other end of the first transmission rod is fixedly connected with the bottom of the turntable.

5. The automatic flaw detection system for large-size pipe and rod materials according to claim 1, wherein: the material pressing structure comprises:

the portal frame is arranged on the side part of the flaw detection structure;

The sliding seat is arranged on the inner side of the portal frame in a sliding manner;

the fourth worm gear lifter is arranged at the top of the portal frame and used for driving the sliding seat to lift on the inner side of the portal frame;

the pressing assembly is arranged on two side parts of the sliding seat and used for pressing pipe rods conveyed on the conveying structure, the pressing assembly comprises side plates arranged on the side parts of the sliding seat, a third driving cylinder is hinged to the upper parts of the side plates, a pressing arm is connected to the bottom of each side plate in a connecting mode, a stretching shaft of the third driving cylinder is hinged to the pressing arm, and a pressing wheel is installed at the bottom of each pressing arm in a rotating mode.

6. The automatic flaw detection system for large-size pipe and rod materials according to claim 5, wherein: the swage structure still includes manual adjustment subassembly, manual adjustment subassembly includes:

the driving gear is rotatably arranged on the side part of the portal frame;

a first handle mounted on the drive gear;

the driven gear is arranged at the input end of the fourth worm gear lifter;

and the chain is used for connecting the driving gear and the driven gear.

7. The automatic flaw detection system for large-size pipe and rod materials according to claim 1, wherein: the feeding structure comprises:

The object placing assembly consists of a plurality of groups of object placing frames, and the object placing frames are arranged on the side part of the first conveying center;

the first rotating rods are rotatably arranged at the bottoms of the storage racks, a first deflector rod is fixedly connected between every two storage racks on the first rotating rods, a first speed reducer is arranged at the side part of each storage rack, a second driving motor is arranged at the input end of each first speed reducer, and the output end of each first speed reducer is connected with each first rotating rod;

the second bull stick rotates and installs the supporter bottom and be close to relatively first transportation center, every two between the supporter all link firmly the second driving lever on the second bull stick, first driving lever with the second driving lever all is located and is close to first transportation center one side, the second speed reducer is installed to the supporter lateral part, the second handle is installed to the input of second speed reducer, the output of second speed reducer with the second bull stick links to each other.

8. The automatic flaw detection system for large-size pipe and rod materials according to claim 4, wherein: the turning structure comprises:

the base is arranged between every two conveying tables, the top of the base is rotatably provided with a material turning plate, the upper part of the material turning plate is arranged in a V shape, and the height of the material turning plate is positioned at the position of the driving roller;

The first supporting seat is arranged at one side of the first conveying center far away from the flaw detection structure, a fourth driving cylinder is hinged to the surface of one side of the first supporting seat facing the flaw detection structure, a second connecting rod is rotatably arranged on an extending shaft of the fourth driving cylinder, and the second connecting rod extends to the material pressing structure;

and one end of the second transmission rod is rotatably arranged on the second connecting rod, and the other end of the second transmission rod is connected with the material turning plate.

9. The automatic flaw detection system for large-size pipe and rod materials according to claim 1, wherein:

the blanking structure comprises a first blanking component and a second blanking component which have the same structure, and the first blanking component and the second blanking component are respectively positioned at two sides of the second conveying center;

the first blanking assembly comprises a material receiving frame, the material receiving frame is provided with a plurality of groups, the top of the material receiving frame is higher than the second conveying center, the material receiving frame is provided with a third rotating rod in a way of rotating close to one side of the second conveying center, each of the third rotating rods is provided with a material turning rod between every two material receiving frames, the material turning rods are provided with a hooking part towards one side of the second conveying center, the side part of the material receiving frame is provided with a second supporting seat, the second supporting seat is hinged with a fifth driving cylinder towards one side of the third rotating rod, a third transmission rod is connected to the extending shaft of the fifth driving cylinder in a rotating way, and the other end of the third transmission rod is connected with the third rotating rod.

10. The automatic flaw detection system for large-size pipe and rod materials according to claim 9, wherein: the material receiving frame is provided with a clamping part at one side far away from the second conveying center.

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