CN216728339U - Phased array ultrasonic detection assembly line for high-precision cold-drawn welded pipe - Google Patents

Abstract

The utility model relates to the technical field of ultrasonic nondestructive testing, and discloses a phased array ultrasonic testing assembly line for high-precision cold-drawn welded pipes, which comprises a feeding frame, a mechanical arm, a testing mechanism, a feeding frame and a stacking frame, wherein the feeding frame is provided with a feeding hole; detection mechanism is close to the manipulator setting, detection mechanism is including placing the platform and examining the platform, place the platform including rotary platform, bearing plate and support frame, the bearing plate is located the support frame, the bottom surface fixedly connected with guide bar of backup pad, the guide bar passes the support frame, and the cooperation of sliding cooperates in the support frame, be equipped with the shore pressure spring between bearing plate and the support frame, the shore pressure spring cover is established on the guide bar, rotary platform rotates to be connected on the bearing plate, the below of support frame is equipped with and is used for driving rotary platform pivoted drive assembly. According to the utility model, through the mutual cooperation of the feeding frame, the manipulator, the detection mechanism, the feeding frame and the stacking frame, the automatic detection of the high-precision cold-drawn welded pipe is realized, and the detection efficiency is improved.

Description

Phased array ultrasonic detection assembly line for high-precision cold-drawn welded pipe

Technical Field

The utility model relates to the technical field of ultrasonic nondestructive testing, in particular to a phased array ultrasonic testing assembly line for high-precision cold-drawn welded pipes.

Background

The production process of the high-precision cold-drawing welded pipe generally adopts the steps that a wide steel coil made of purchased low-carbon steel or medium-carbon steel is longitudinally cut on a longitudinal shearing machine, and the width of the longitudinally cut steel coil is determined according to the diameter of the welded pipe; the longitudinally cut steel coil is placed on a material spreading frame, the end of the steel coil is pulled out through a feeding mechanism and is sent into a continuous compression roller forming mechanism for roll bending forming processing, the compression roller forming mechanism comprises a plurality of continuous compression roller pairs, each compression roller pair comprises two compression rollers which are coupled with each other, a gap is reserved between the two compression rollers, and the corresponding gap of the adjacent compression roller pairs is gradually deformed, so that the steel coil passing through the corresponding gap is changed into a curved surface from a plane, and then is changed into a circular pipe body from the curved surface; the rounded steel coil is subjected to high-frequency welding, and the straight seam butted with the side surface of the steel coil is subjected to induction welding to form a welded pipe; then cold drawing, annealing, straightening, flaw detection and other processes are carried out, and finally a finished product is obtained.

Among the prior art, adopt phased array ultrasonic testing equipment to detect a flaw to high-accuracy cold drawn welded tube usually, in the testing process, the staff holds phased array ultrasonic testing equipment in hand, detects every high-accuracy cold drawn welded tube in proper order, and this kind of detection mode is very low efficiency, has seriously influenced the efficiency that high-accuracy cold drawn welded tube detected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a phased array ultrasonic detection assembly line for high-precision cold-drawn welded pipes.

According to the technical scheme provided by the utility model, the phased array ultrasonic detection assembly line for the high-precision cold-drawn welded pipe comprises a feeding frame, a mechanical arm, a detection mechanism, a feeding frame and a stacking frame, wherein the mechanical arm is arranged between the discharge end of the feeding frame and the feed end of the feeding frame and is used for transferring the high-precision cold-drawn welded pipe to be detected onto the detection mechanism from the feeding frame or transferring the detected high-precision cold-drawn welded pipe onto the feeding frame from the detection mechanism, a discharge hole is formed in one side wall of the discharge end of the feeding frame, and the stacking frame is arranged right opposite to the discharge hole and is used for stacking the qualified high-precision cold-drawn welded pipe after detection.

The detection mechanism is arranged close to the manipulator and comprises a placing platform and a detection platform, the placing platform comprises a rotary platform, a pressure bearing plate and a support frame, the pressure bearing plate is positioned on the support frame, the bottom surface of the support plate is fixedly connected with a guide rod, the guide rod penetrates through the support frame and is in sliding fit with the support frame, a jacking pressure spring is arranged between the pressure bearing plate and the support frame, the jacking pressure spring is sleeved on the guide rod, the rotary platform is rotatably connected to the pressure bearing plate, and a driving assembly for driving the rotary platform to rotate is arranged below the support frame;

the detection table comprises a detection frame and a phased array ultrasonic detector, and the phased array ultrasonic detector is connected to the detection frame;

the linkage switch assembly is arranged below the support frame, electrically connected with the driving assembly and the phased array ultrasonic detector, and the guide rod is used for opening or closing the linkage switch assembly.

Through adopting above-mentioned technical scheme, examine time measuring to high-accuracy cold drawn welded tube, the high-accuracy cold drawn welded tube that waits to detect is at first placed on the feeding frame, when the discharge end of high-accuracy cold drawn welded tube transport to feeding frame, the manipulator transmits high-accuracy cold drawn welded tube to placing the bench, place the bench pressurized this moment and make the guide bar move down, guide bar and gang switch subassembly switch-on, make drive assembly and phased array ultrasonic detector begin work, drive assembly makes high-accuracy cold drawn welded tube rotatory, phased array ultrasonic detector detects the high-accuracy cold drawn welded tube under the rotation state. And after the high-precision cold-drawing welded pipe is detected, the manipulator transfers the detected high-precision cold-drawing welded pipe, so that the high-precision cold-drawing welded pipe is detected. Above-mentioned technical scheme, through the cooperation of feeding frame, manipulator, detection mechanism, pay-off frame and pile frame, realized the automated inspection to high-accuracy cold drawn welded tube, improved detection efficiency.

Preferably, the linkage switch assemblies are arranged in two groups, each group of linkage switch assemblies is arranged corresponding to each guide rod respectively, one group of linkage switch assemblies is electrically connected with the driving assembly, the other group of linkage switch assemblies is electrically connected with the phased array ultrasonic detector, and when the guide rods are inserted into the linkage switch assemblies, the driving assembly and the linkage switch assemblies are started; when the guide rod is pulled out of the linkage switch assembly, the driving assembly and the linkage switch assembly are closed.

Through adopting above-mentioned technical scheme, wait to examine the high-accuracy cold drawn welded tube realize with drive assembly, linkage switch subassembly between the linkage cooperation, have resources are saved's effect.

Preferably, the gang switch subassembly includes anodal installation piece and negative pole installation piece, the guide bar is just to the clearance between anodal installation piece and the negative pole installation piece, it has first hole of sliding to open on the anodal installation piece, it has anodal the electric conduction post to slide in the first hole of sliding, it has the second hole of sliding to open on the negative pole installation piece, it has the negative pole to slide in the second hole of sliding to slide to lead electric the post, anodal the electric conduction post and the negative pole is led the electric conduction post and is located same straight line, the tip fixedly connected with that the guide bar passed the support frame leads electric conduction post, the end that leads electric the post is the circular cone type.

By adopting the technical scheme, when the conductive column enters the gap between the positive conductive column and the negative conductive column, the positive guide column and the negative guide column are communicated with the conductive columns, so that the electric connection between the driving assembly and the detection mechanism is realized.

Preferably, the positive conductive column is sleeved with a first ejection pressure spring, the negative conductive column is sleeved with a second ejection pressure spring, and the first ejection pressure spring and the second ejection pressure spring urge the positive conductive column and the negative conductive column to have a tendency of approaching each other.

Through adopting above-mentioned technical scheme, when the pipe was placed on rotary platform, the guide bar moved down and inserted between anodal electrically conductive post and the electrically conductive post of negative pole, made anodal electrically conductive post and electrically conductive post of negative pole keep away from each other. In the process that the positive conductive column and the negative conductive column are away from each other, the resilience of the first ejection pressure spring and the second ejection pressure spring enables the positive conductive column and the negative conductive column to be tightly attached to the conductive columns at the bottom ends of the guide rods, so that a passage is formed, the driving motor and the phased array ultrasonic detector start to work, and the high-precision cold-drawn welded pipe is detected.

Preferably, the feeding frame includes main carriage and vice carriage, vice carriage and main carriage intercommunication, the one end that main carriage was kept away from to vice carriage extends to detection mechanism, the defective work rack has been erect between vice carriage and detection mechanism, the main carriage is provided with the shutoff subassembly with the junctor's junction point, the shutoff subassembly includes shutoff pole and first spacing sensor, the shutoff pole slides and connects in the lateral wall of main carriage, a pipe for on the shutoff main carriage, the lateral wall fixedly connected with of main carriage is used for supporting the connecting plate that the shutoff pole slided, the below of connecting plate is equipped with the transmission motor that is used for driving the shutoff pole to slide, first spacing sensor passes through control system and transmission motor electric connection.

By adopting the technical scheme, when the detected high-precision cold-drawing welded pipe is an unqualified product, the manipulator transfers the high-precision cold-drawing welded pipe to the auxiliary conveying frame. When vice carriage transports the defective work, when the position of unqualified product transportation to first spacing sensor, first spacing sensor with signal transmission for the transmission motor, transmission motor start-up work, the transmission motor makes the shutoff pole remove, the shutoff pole removes to main carriage on, the high-accuracy cold drawn welded tube that waits to detect on the interception main carriage for main carriage carries to carry out the secondary and detects from the unqualified high-accuracy cold drawn welded tube that vice carriage came.

Preferably, the discharge end of the main conveying frame is connected with a second limit sensor, and the second limit sensor is electrically connected with a driving source of the main conveying frame through a control system.

Through adopting above-mentioned technical scheme, when waiting to detect high-accuracy cold drawn welded tube and transporting to the discharge end of main carriage, the spacing sensor of second passes through control system and gives the driving source of main carriage with signal transmission, orders this driving source stop work, and the manipulator snatchs high-accuracy cold drawn welded tube this moment, places high-accuracy cold drawn welded tube on the platform of placing.

Preferably, the other side of the discharge end of the feeding frame is connected with a material ejecting cylinder, and a telescopic rod of the material ejecting cylinder is opposite to the discharge hole and is fixedly connected with a material pushing plate.

Through adopting above-mentioned technical scheme, after high-accuracy cold drawn welded tube detected qualified, the manipulator forwarded high-accuracy cold drawn welded tube to the certified products rack, and after high-accuracy cold drawn welded tube quantity on the certified products rack accumulated a certain amount, the staff forwarded the certified products on the pay-off frame, and when high-accuracy cold drawn welded tube removed to liftout cylinder department, the liftout cylinder was with high-accuracy cold drawn welded tube propelling movement to the pile frame on.

In conclusion, the utility model has the beneficial effects that:

1. through mutually supporting of feeding frame, manipulator, detection mechanism, pay-off frame and pile frame, realized the automated inspection to high-accuracy cold drawn welded tube, improved detection efficiency.

2. Linkage cooperation between the driving assembly and the linkage switch assembly is realized, and the effect of saving resources is achieved.

3. The plugging assembly can avoid mixing of high-precision cold-drawn welded pipes on the auxiliary conveying frame and high-precision cold-drawn welded pipes on the main conveying frame, and secondary detection is carried out on the high-precision cold-drawn welded pipes which are unqualified for the first time.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the overall structure of the placement table of the present invention.

Fig. 3 is a schematic sectional view of the placement table of the present invention.

FIG. 4 is a schematic view of the overall structure of the inspection station of the present invention.

Fig. 5 is an enlarged schematic view of a structure in fig. 1.

Description of reference numerals: 1. a feeding frame; 101. a main conveyance rack; 102. a sub-carrier; 2. a manipulator; 3. a detection mechanism; 31. a placing table; 311. rotating the platform; 312. a pressure bearing plate; 313. a support frame; 314. a guide bar; 3141. a conductive post; 315. propping up a pressure spring; 32. a detection table; 321. a detection frame; 322. a phased array ultrasound detector; 4. a feeding frame; 41. a discharge port; 5. a stacking frame; 6. a drive assembly; 61. a drive motor; 62. a drive bevel gear; 63. a driven bevel gear; 64. a mounting frame; 7. a ganged switch assembly; 71. a positive mounting block; 711. a first sliding hole; 72. a negative electrode mounting block; 721. a second sliding hole; 73. a positive conductive post; 74. a negative conductive post; 75. a first ejection pressure spring; 76. a first inner plug; 77. a second ejection pressure spring; 78. a second inner plug; 8. placing a unqualified product rack; 9. a plugging component; 91. a plugging rod; 92. a first limit sensor; 93. a connecting plate; 94. a transfer motor; 941. a transfer gear; 10. a second limit sensor; 11. placing a qualified product rack; 12. a material ejection cylinder; 121. a material pushing plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Example (b):

referring to fig. 1, the utility model provides a phased array ultrasonic detection assembly line for high-precision cold-drawn welded pipes, which comprises a feeding frame 1, a mechanical arm 2, a detection mechanism 3, a feeding frame 4 and a stacking frame 5, wherein the mechanical arm 2 is arranged between the discharging end of the feeding frame 1 and the feeding end of the feeding frame 4 and is used for transferring high-precision cold-drawn welded pipes to be detected from the feeding frame 4 to the detection mechanism 3 or transferring the detected high-precision cold-drawn welded pipes from the detection mechanism 3 to the feeding frame 4, a discharging hole 41 is formed in one side wall of the discharging end of the feeding frame 4, and the stacking frame 5 is arranged right opposite to the discharging hole 41 and is used for stacking the detected and qualified high-precision cold-drawn welded pipes.

Referring to fig. 2 and 3, the detection mechanism 3 is disposed near the manipulator 2, the detection mechanism 3 includes a placing table 31 and a detection table 32, the placing table 31 includes a rotating platform 311, a pressure-bearing plate 312 and a support frame 313, the support frame 313 is supported on the ground, the pressure-bearing plate 312 is located on the support frame 313, a guide rod 314 is fixedly connected to the bottom surface of the pressure-bearing plate 312, the guide rod 314 penetrates through the support frame 313 and is in sliding fit with the support frame 313, a jacking pressure spring 315 is disposed between the pressure-bearing plate 312 and the support frame 313, and the jacking pressure spring 315 is sleeved on the guide rod 314.

Referring to fig. 2 and 3, a rotating shaft is fixedly connected to the lower surface of the rotating platform 311, the rotating shaft penetrates through the bearing plate 312 and the support frame 313 and is rotatably fitted to the bearing plate 312 and the support frame 313, the rotating platform 311 is rotatably connected to the bearing plate 312 through the rotating shaft, a driving assembly 6 for driving the rotating platform 311 to rotate is arranged below the support frame 313, the driving assembly 6 comprises a driving motor 61, a driving bevel gear 62 and a driven bevel gear 63, a mounting frame 64 is fixedly connected to the bottom surface of the bearing plate 312, the mounting frame 64 downwardly penetrates through the support frame 313, the driving motor 61 is fixed to the support frame 313, the driven bevel gear 63 is fixedly sleeved at one end of the rotating shaft penetrating through the support frame 313, the driving bevel gear 62 is fixedly sleeved on an output shaft of the driving motor 61, and the driving bevel gear 62 is meshed with the driven bevel gear 63.

Referring to fig. 3 and 4, the inspection station 32 includes an inspection frame 321 and a phased array ultrasonic detector 322, and the phased array ultrasonic detector 322 is attached to the inspection frame 321. A linkage switch component 7 is arranged below the support frame 313, the linkage switch component 7 is electrically connected with the driving component 6 and the phased array ultrasonic detector 322, and the guide rod 314 is used for opening or closing the linkage switch component 7. The linkage switch assemblies 7 are provided with two groups, each group of linkage switch assemblies 7 is respectively arranged corresponding to each guide rod 314, one group of linkage switch assemblies 7 is electrically connected with the driving assembly 6, the other group of linkage switch assemblies 7 is electrically connected with the phased array ultrasonic detector 322, and when the guide rods 314 are inserted into the linkage switch assemblies 7, the driving assembly 6 and the linkage switch assemblies 7 are started; when the guide rod 314 withdraws the gang switch assembly 7, the driving assembly 6 and the gang switch assembly 7 are turned off.

Referring to fig. 3 and 4, during detection, the manipulator 2 transfers the high-precision cold-drawn welded pipe to be detected from the discharge end of the feeding frame 1 to the rotating platform 311, at this time, the rotating platform 311 is pressed to drive the pressure bearing plate 312 to move downwards, the pressure bearing plate 312 drives the guide rod 314 to move downwards, the guide rod 314 is inserted into the linkage switch assembly 7, and at this time, the driving assembly 6 and the phased array ultrasonic detector 322 are powered on to start detecting the high-precision cold-drawn welded pipe. In the detection process, the driving assembly 6 prompts the rotating platform 311 to drive the high-precision cold-drawn welded pipe to rotate, and the phased array ultrasonic detector 322 is used for detecting the rotated high-precision cold-drawn welded pipe to realize circumferential detection of the high-precision cold-drawn welded pipe.

Referring to fig. 3, the ganged switch assembly 7 includes a positive mounting block 71 and a negative mounting block 72 fixedly coupled to a support bracket 313, and a guide rod 314 facing a gap between the positive mounting block 71 and the negative mounting block 72. The positive electrode mounting block 71 is provided with a first sliding hole 711, a positive electrode conductive column 73 is slid in the first sliding hole 711, a second sliding hole 721 is provided on the negative electrode mounting block 72, a negative electrode conductive column 74 is slid in the second sliding hole 721, and the positive electrode conductive column 73 and the negative electrode conductive column 74 are positioned on the same straight line.

Referring to fig. 3, the first sliding hole 711 and the second sliding hole 721 are both T-shaped holes, and the inner diameter of the end of the first sliding hole 711 and the end of the second sliding hole 721 that are close to each other is large, and the inner diameter of the end of the second sliding hole 721 that is far from each other is small. The positive conductive column 73 is sleeved with a first ejection compression spring 75, a first inner plug 76 is connected to a port of the first sliding hole 711 facing the second sliding hole 721 in a threaded manner, the first ejection compression spring 75 is located between the first inner plug 76 and an interface where the inner diameter of the first sliding hole 711 changes, and the positive conductive column 73 penetrates through the first inner plug 76 and is in sliding fit with the first inner plug 76. The negative conductive post 74 is sleeved with a second ejection compression spring 77, a second inner plug 78 is connected to a port of the second sliding hole 721 facing the first sliding hole 711 in a threaded manner, the second ejection compression spring 77 is located between the second inner plug 78 and an interface where the inner diameter of the second sliding hole 721 changes, and the negative conductive post 74 penetrates through the second inner plug 78 and is in sliding fit with the second inner plug 78.

Referring to fig. 3, the first and second push-out compression springs 75 and 77 urge the positive and negative conductive posts 73 and 74 to have a tendency to approach each other. The end portions of the positive conductive column 73 and the negative conductive column 74, which are far away from each other, are respectively connected with a conducting wire, the conducting wire of one set of the ganged switch assembly 7 is electrically connected with the driving motor 61, and the conducting wire of the other set of the ganged switch assembly 7 is electrically connected with the phased array ultrasonic detector 322.

Referring to fig. 3, a conductive post 3141 is fixedly connected to the end of the guide rod 314 passing through the supporting frame 313, and the end of the conductive post 3141 is conical. When the circular tube is placed on the rotary platform 311, the guide rod 314 moves down and is inserted between the positive conductive post 73 and the negative conductive post 74, so that the positive conductive post 73 and the negative conductive post 74 are away from each other. In the process that the positive conductive column 73 and the negative conductive column 74 are away from each other, the repulsive force of the first ejection compression spring 75 and the second ejection compression spring 77 causes the positive conductive column 73 and the negative conductive column 74 to be attached to the conductive column 3141 at the bottom end of the guide rod 314, so that a passage is formed, the driving motor 61 and the phased array ultrasonic detector 322 start to work, and the high-precision cold-drawn welded pipe is detected.

Referring to fig. 1 and 5, the feeding frame 1 comprises a main conveying frame 101 and an auxiliary conveying frame 102, the auxiliary conveying frame 102 and the main conveying frame 101 are perpendicular to each other and are communicated with each other, one end, far away from the main conveying frame 101, of the auxiliary conveying frame 102 extends to the detection mechanism 3, an unqualified product placing frame 8 is erected between the auxiliary conveying frame 102 and the detection mechanism 3, when the phased array ultrasonic detector 322 detects that the high-precision cold-drawn welded pipes are defective, the manipulator 2 transfers the unqualified high-precision cold-drawn welded pipes to the unqualified product placing frame 8, when the unqualified high-precision cold-drawn welded pipes reach a certain number, a worker places the unqualified high-precision cold-drawn welded pipes on the auxiliary conveying frame 102, the unqualified high-precision cold-drawn welded pipes are conveyed to the main conveying frame 101 through the auxiliary conveying frame 102 for secondary detection, and when the detection results of two times are unqualified products, the unqualified products can be judged to be scrapped.

Referring to fig. 1 and 5, in order to avoid the high-precision cold-drawn welded pipes on the secondary carriage 102 from being mixed with the high-precision cold-drawn welded pipes on the main carriage 101, a plugging assembly 9 is provided at the connecting point of the main carriage 101 and the secondary carriage 102. The plugging component 9 comprises a plugging rod 91 and a first limiting sensor 92, the plugging rod 91 penetrates through the side wall of the main conveying frame 101 and is connected with the side wall of the main conveying frame 101 in a sliding mode, and the plugging rod 91 is used for plugging the high-precision cold-drawn welded pipe to be detected on the main conveying frame 101.

Referring to fig. 1 and 5, a connecting plate 93 for supporting the plugging rod 91 to slide is fixedly connected to a side wall of the main carriage 101, a transmission motor 94 is connected to a lower portion of the connecting plate 93, a transmission gear 941 is fixedly sleeved on an output shaft of the transmission motor 94, and a rack-shaped bottom of the plugging rod 91 is engaged with the transmission gear 941. The first limit sensor 92 is connected to the sub-carriage 102 and disposed close to the main carriage 101, and the first limit sensor 92 is electrically connected to the transfer motor 94 through a control system.

Referring to fig. 1 and 5, when the auxiliary conveying frame 102 conveys the unqualified product, when the unqualified product is conveyed to the position of the first limit sensor 92, the first limit sensor 92 transmits a signal to the transmission motor 94, the transmission motor 94 starts to work, the transmission motor 94 causes the plugging rod 91 to move, the plugging rod 91 moves to the main conveying frame 101, the high-precision cold-drawn welded pipe to be detected on the main conveying frame 101 is intercepted, and the main conveying frame 101 conveys the unqualified high-precision cold-drawn welded pipe to be detected to perform secondary detection.

Referring to fig. 1 and 5, a second limit sensor 10 is connected to a discharge end of the main carriage 101, and the second limit sensor 10 is electrically connected to a driving source of the main carriage 101 through a control system.

Referring to fig. 1 and 5, when the high-precision cold-drawn welded pipe to be detected is transported to the discharge end of the main conveying frame 101, the second limit sensor 10 transmits a signal to the driving source of the main conveying frame 101 through the control system, instructs the driving source to stop working, and at this time, the manipulator 2 grabs the high-precision cold-drawn welded pipe and places the high-precision cold-drawn welded pipe on the placing table 31.

Referring to fig. 1 and 5, a qualified product placing frame 11 is arranged between the feeding frame 4 and the detection mechanism 3, the other side of the discharge end of the feeding frame 4 is connected with a material ejecting cylinder 12, and an expansion rod of the material ejecting cylinder 12 is opposite to the discharge port 41 and is fixedly connected with a material pushing plate 121. After the pipe detects qualified, manipulator 2 passes on high-accuracy cold drawn welded tube to qualified product rack 11, and after high-accuracy cold drawn welded tube quantity on qualified product rack 11 reached certain quantity, the staff forwarded the qualified product on pay-off frame 4, and when high-accuracy cold drawn welded tube removed to liftout cylinder 12 department, liftout cylinder 12 was with high-accuracy cold drawn welded tube propelling movement to pile frame 5 on.

The implementation principle of the embodiment is as follows:

when the high-precision cold-drawn welded pipe is detected, the high-precision cold-drawn welded pipe to be detected is firstly placed on the main conveying frame 101, the main conveying frame 101 conveys the high-precision cold-drawn welded pipe to be detected to the discharge end of the main conveying frame 101, then the second limiting sensor 10 transmits a signal to a driving source of the main conveying frame 101, and the main conveying frame 101 stops conveying. The manipulator 2 transfers the high-precision cold-drawn welded pipe to the rotating platform 311, the rotating platform 311 causes the guide rod 314 to move downwards and to be inserted between the positive conductive column 73 and the negative conductive column 74, and the positive conductive column 73 and the negative conductive column 74 are caused to be attached to the conductive column 3141 at the bottom end of the guide rod 314, so that a passage is formed, the driving motor 61 and the phased array ultrasonic detector 322 start to work, and the high-precision cold-drawn welded pipe is detected in a rotating state.

When the high-precision cold-drawn welded pipes are detected to be unqualified, the manipulator 2 transfers the unqualified high-precision cold-drawn welded pipes to the unqualified product placing frame 8, and when the unqualified high-precision cold-drawn welded pipes reach a certain number, a worker carries the unqualified high-precision cold-drawn welded pipes to the auxiliary conveying frame 102, and the auxiliary conveying frame 102 conveys the unqualified high-precision cold-drawn welded pipes towards the main conveying frame 101. When unqualified high-precision cold drawn welded pipe passes through first spacing sensor 92, first spacing sensor 92 gives transmission motor 94 with signal transmission, and transmission motor 94 drive shutoff pole 91 moves for the high-precision cold drawn welded pipe of waiting to detect on the shutoff main carriage 101 of shutoff pole 91 shutoff. And then the auxiliary conveying frame 102 conveys the unqualified high-precision cold-drawn welded pipe to the main conveying frame 101, the main conveying frame 101 conveys the high-precision cold-drawn welded pipe to the discharge end of the main conveying frame, secondary detection is carried out, and when the secondary detection is still unqualified products, the unqualified products can be judged to be scrapped.

When high-precision cold-drawing welded pipe detects to be qualified, manipulator 2 passes on high-precision cold-drawing welded pipe to qualified product rack 11, and after qualified high-precision cold-drawing welded pipe reached a certain quantity, the staff carried qualified high-precision cold-drawing welded pipe to pay-off frame 4 on, and when high-precision cold-drawing welded pipe reachd the discharge end of pay-off frame 4, liftout cylinder 12 was with high-precision cold-drawing welded pipe propelling movement to pile frame 5 on, realized the detection and the pile work to high-precision cold-drawing welded pipe.

It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims (7)

1. The utility model provides a phased array ultrasonic testing assembly line for high-accuracy cold drawn welded tube, includes feeding frame (1), manipulator (2), detection mechanism (3), pay-off frame (4) and pile frame (5), its characterized in that: the manipulator (2) is arranged between the discharge end of the feed frame (1) and the feed end of the feed frame (4), a discharge hole (41) is formed in one side wall of the discharge end of the feed frame (4), and the stacking frame (5) is arranged opposite to the discharge hole (41);

the detection mechanism (3) is arranged close to the manipulator (2), the detection mechanism (3) comprises a placing platform (31) and a detection platform (32), the placing platform (31) comprises a rotary platform (311), a bearing plate (312) and a support frame (313), the bearing plate (312) is positioned on the support frame (313), a guide rod (314) is fixedly connected to the bottom surface of the support frame (313), the guide rod (314) penetrates through the support frame (313) and is in sliding fit with the support frame (313), a jacking pressure spring (315) is arranged between the bearing plate (312) and the support frame (313), the jacking pressure spring (315) is sleeved on the guide rod (314), the rotary platform (311) is rotatably connected to the bearing plate (312), and a driving assembly (6) for driving the rotary platform (311) to rotate is arranged below the support frame (313);

the detection table (32) comprises a detection frame (321) and a phased array ultrasonic detector (322), and the phased array ultrasonic detector (322) is connected to the detection frame (321);

the linkage switch assembly (7) is arranged below the support frame (313), and the linkage switch assembly (7) is electrically connected with the driving assembly (6) and the phased array ultrasonic detector (322).

2. The phased array ultrasonic inspection assembly line for high precision cold drawn welded tubes of claim 1, wherein: the linkage switch assemblies (7) are arranged in two groups, each group of linkage switch assemblies (7) is arranged corresponding to each guide rod (314), one group of linkage switch assemblies (7) is electrically connected with the driving assembly (6), and the other group of linkage switch assemblies (7) is electrically connected with the phased array ultrasonic detector (322).

3. The phased array ultrasonic inspection assembly line for high precision cold drawn welded tubes of claim 2, wherein: linkage switch subassembly (7) are including anodal installation piece (71) and negative pole installation piece (72), guide bar (314) are just to the clearance between anodal installation piece (71) and negative pole installation piece (72), it has first slide hole (711) to open on anodal installation piece (71), it has anodal electrically conductive post (73) to slide in first slide hole (711), it has second slide hole (721) to open on negative pole installation piece (72), it has negative pole electrically conductive post (74) to slide in second slide hole (721), anodal electrically conductive post (73) and negative pole electrically conductive post (74) are located same straight line, guide bar (314) pass the end fixedly connected with of support frame (313) and lead electrical pillar (3141), the end of electrically conductive post (3141) is the circular cone type.

4. The phased array ultrasonic inspection assembly line for high precision cold drawn welded tubes of claim 3, wherein: the positive conductive post (73) is sleeved with a first ejection compression spring (75), the negative conductive post (74) is sleeved with a second ejection compression spring (77), and the first ejection compression spring (75) and the second ejection compression spring (77) enable the positive conductive post (73) and the negative conductive post (74) to have a trend of being close to each other.

5. The phased array ultrasonic inspection assembly line for high precision cold drawn welded tubes of claim 1, wherein: the feeding frame (1) comprises a main conveying frame (101) and an auxiliary conveying frame (102), the auxiliary conveying frame (102) is communicated with the main conveying frame (101), one end, far away from the main conveying frame (101), of the auxiliary conveying frame (102) extends to the detection mechanism (3), erect nonconforming article rack (8) between vice carriage (102) and detection mechanism (3), main carriage (101) and the junction of vice carriage (102) department are provided with shutoff subassembly (9), shutoff subassembly (9) are including shutoff pole (91) and first spacing sensor (92), shutoff pole (91) slide and connect in the lateral wall of main carriage (101), the lateral wall fixedly connected with of main carriage (101) is used for supporting connecting plate (93) that shutoff pole (91) slided, the below of connecting plate (93) is equipped with transmission motor (94) that are used for driving shutoff pole (91) to slide, first spacing sensor (92) are through control system and transmission motor (94) electric connection.

6. The phased array ultrasonic inspection assembly line for high precision cold drawn welded tubes of claim 5, wherein: the discharge end of the main conveying frame (101) is connected with a second limiting sensor (10), and the second limiting sensor (10) is electrically connected with a driving source of the main conveying frame (101) through a control system.

7. The phased array ultrasonic inspection assembly line for high precision cold drawn welded tubes of claim 1, wherein: the other side of the discharge end of the feeding frame (4) is connected with a material ejecting cylinder (12), and an expansion link of the material ejecting cylinder (12) is over against the discharge hole (41) and is fixedly connected with a material pushing plate (121).

Images