CN210701232U

CN210701232U - Oil pipe magnetic leakage flaw detector

Info

Publication number: CN210701232U
Application number: CN201920567674.8U
Authority: CN
Inventors: 徐中山; 李干; 刘卫锋
Original assignee: Nanjing Bochner Automation System Co ltd
Current assignee: Nanjing Bochner Automation System Co ltd
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2020-06-09
Anticipated expiration: 2029-04-24

Abstract

The utility model relates to an oil pipe magnetic leakage defectoscope, include feed mechanism, detection mechanism, the first sorting mechanism of unloading, the second sorting mechanism of unloading that set gradually according to work piece detection order, feed mechanism includes material loading frame, material loading support frame, material loading frame is located one side of material loading support frame and rather than fixed connection, the one end that material loading frame is close to the material loading support frame sets up work piece dog adjusting part, set up the material walking subassembly of getting of multiunit equidistant range on the material loading support frame, it includes that the material loading turns over board, work piece walking drive subassembly to get the material walking subassembly, the material loading turn over the board with the material loading support frame rotates to be connected. The utility model discloses to work piece detection time measuring can realize automatic feeding, automated inspection, automatic separation's full automated inspection process, degree of automation is high, has improved work efficiency to guaranteed the stability that the work piece gos forward, improved and detected the rate of accuracy.

Description

Oil pipe magnetic leakage flaw detector

Technical Field

The utility model relates to an automatic technical field that detects of pipe fitting, concretely relates to oil pipe magnetic leakage defectoscope.

Background

The oil pipe is a pipeline for transporting crude oil and natural gas from an oil-gas layer to the ground surface after drilling is completed, and is used for bearing pressure generated in the process of exploitation, in the process of transporting the crude oil, because cracks and shrinkage cavity defects exist on part of the oil pipe, the oil pipe is easy to break in the using process, so that the crude oil or the natural gas is easy to leak, the pollution is caused to the surrounding environment, and the health of surrounding residents is harmed, so that the defects of the cracks and the shrinkage cavity on the surface of the oil pipe need to be detected through a detection probe before the oil pipe leaves a factory after production, defective products are deleted, the product quality is ensured, the automation degree of the existing detection equipment is low, workpieces are unstable in the advancing process, and the detection efficiency.

SUMMERY OF THE UTILITY MODEL

For solving the problem that prior art exists, the utility model provides an oil pipe magnetic leakage defectoscope detects time measuring can realize automatic feeding, automated inspection, automatic separation's full automated inspection process to the work piece, and degree of automation is high, has improved work efficiency to guaranteed the stability that the work piece gos forward, improved and detected the rate of accuracy.

In order to achieve the above object, the utility model adopts the following technical scheme:

an oil pipe magnetic leakage flaw detector comprises a feeding mechanism, a detection mechanism, a first blanking sorting mechanism and a second blanking sorting mechanism which are sequentially arranged according to a workpiece detection sequence, wherein the feeding mechanism comprises a feeding frame and a feeding support frame, the feeding frame is positioned on one side of the feeding support frame and is fixedly connected with the feeding support frame, one end of the feeding frame, which is close to the feeding support frame, is provided with a workpiece stop block adjusting assembly, the feeding support frame is provided with a plurality of groups of material taking walking assemblies which are arranged at equal intervals, each material taking walking assembly comprises a feeding turning plate and a workpiece walking driving assembly, the feeding turning plate is rotatably connected with the feeding support frame, the feeding support frames on two sides of the feeding turning plate are respectively provided with the workpiece walking driving assemblies, the side wall of the feeding support frame at one end of the feeding turning plate is hinged with a feeding air cylinder, and the free end of a telescopic rod on the feeding air cylinder is hinged with a, the feeding push rod is hinged with the feeding turning plate, and the workpiece walking driving assemblies are arranged in the detection mechanism, the blanking first sorting mechanism and the blanking second sorting mechanism.

In any of the above schemes, preferably, a V-shaped notch is arranged at the top of the feeding turning plate, a feeding rotating shaft is fixed at the bottom of the feeding turning plate, first bearing seats are rotatably connected to two ends of the feeding rotating shaft, the first bearing seats are fixed on the feeding support frame, one end of the feeding rotating shaft penetrates through the first bearing seats and is fixed with a feeding connecting rod, and the feeding connecting rod is hinged to the feeding push rod.

In any of the above schemes, preferably, a plurality of feeding support rods arranged at equal intervals are fixed on the feeding frame, a vertical support rod is fixed at the bottom of one end of each feeding support rod, which is close to the feeding support frame, the workpiece stop adjusting assembly includes a first rotating rod, the first rotating rod is rotatably connected with the bottom of the feeding support rod at the rear side of the vertical support rod, a chute is fixed on one side wall of the vertical support rod, a stop block is placed in the chute, an elbow is fixed at one end of the stop block, which is far away from the first rotating rod, the top end of the elbow extends above the feeding support rod, a first support block is fixed at one end of the chute, which is close to the first rotating rod, a through second rotating rod is rotatably connected with the first support block, a first bevel gear is fixed at one end of the second rotating rod, which is close to the first rotating rod, and the other end of the second rotating rod extends into the stop block and is in threaded connection with the stop block, and a second bevel gear matched with the first bevel gear is arranged on the first rotating rod.

It is preferred in any one of the above-mentioned schemes, work piece walking drive subassembly includes motor, first fixed plate, screw, two package rubber tyers that make work piece spiral go forward, the top of first fixed plate sets up the second fixed plate, the three angle end of second fixed plate is equipped with the screw groove respectively, the screw passes the screw groove and fixes reciprocating to the second fixed plate with first fixed plate spacing, two the both ends of package rubber tyer are all rotated and are connected with third bearing seat, third bearing seat with second fixed plate fixed connection is connected through sprocket and chain drive between two package rubber tyers, and one end of one of them package rubber tyer is passed through the speed reducer and is connected with the motor, first fixed plate and material loading support frame fixed connection in the feed mechanism.

In any of the above schemes, preferably, the detection mechanism comprises a workbench and a detection frame, the detection frame is fixed on the top of the workbench, the workbench is provided with at least four workpiece walking driving components which are arranged in parallel, the bottom of the detection frame right above the workpiece walking driving components is fixed with a first pinch roller component, the central part of the bottom of the detection frame is provided with a detection probe assembly, the first pinch roller assembly comprises a first pinch roller frame, a first cylinder, a first supporting plate and a second supporting plate, a first pinch roller is arranged at the bottom of the first pinch roller frame, the first cylinder is fixed on the first supporting plate, the telescopic rod on the first cylinder penetrates through the first supporting plate and is fixedly connected with the top end of the first pinch roller frame, and the second supporting plate is provided with an up-down lifting assembly, and the up-down lifting assembly is connected with the first supporting plate to enable the first supporting plate to move up and down.

In any of the above schemes, preferably, the detection probe assembly includes a fourth support plate, a second air cylinder, a probe fixing frame, a guide wheel adjusting assembly, and a probe support frame, the fourth support plate is fixed on the detection frame, a fifth support plate is fixed on the top of the fourth support plate, a first screw is connected to the fifth support plate in a threaded manner, an adjusting hand wheel is fixed on the top end of the first screw, a sixth support plate is rotatably connected to the bottom end of the first screw, the sixth support plate is slidably connected to the fourth support plate, the second air cylinder is fixed on the sixth support plate, and a telescopic rod on the second air cylinder penetrates through the sixth support plate and is fixedly connected to the probe support frame; the probe fixing frame is fixedly provided with four guide rods, a first spring is sleeved on each guide rod, a probe supporting frame is arranged above the probe fixing frame, the top end of each guide rod penetrates through the probe supporting frame, and two ends of each first spring are fixedly connected with the probe fixing frame and the probe supporting frame respectively; the utility model discloses a probe, including probe fixing frame, guide pulley adjusting assembly, probe group, probe fixing frame, guide pulley supporting frame, guide pulley adjusting assembly and guide pulley, the bottom of probe fixing frame is fixed with probe group, probe group includes a plurality of equidistant probe of arranging, sliding connection has two guide pulley supports on the probe fixing frame of probe group both sides, the bottom of guide pulley support extends to the outside and has the guide pulley with rotating, through guide pulley adjusting assembly relative movement between two guide pulley supports, guide pulley adjusting assembly includes the fourth bull stick, the fourth bull stick runs through the probe fixing frame is connected rather than rotating, two guide pulley supports respectively with fourth bull stick threaded connection, and the helix opposite direction that two guide pulley supports are connected with the fourth bull stick, the one.

In any of the above schemes, preferably, the blanking first-time sorting mechanism includes a first blanking frame and a first blanking support frame, the first blanking frame is located on one side of the first blanking support frame and located on the same side as the feeding frame, a plurality of first arc-shaped plates arranged at equal intervals are fixed on the first blanking frame, a pulley arranged up and down is fixed at one end of the first blanking frame, which is close to the first arc-shaped plates and far away from the first blanking support frame, a fabric belt is arranged on one side of the first arc-shaped plates, one end of the fabric belt is fixed with the first blanking frame, the other end of the fabric belt bypasses the pulley and is fixed with a second spring, and the second spring is fixedly connected with the first blanking frame; the blanking device comprises a first blanking support frame, a plurality of groups of blanking traveling assemblies and a workpiece traveling driving assembly, wherein the first blanking support frame is provided with a first blanking turning plate, the blanking traveling assemblies comprise a first blanking turning plate and a blanking cylinder, the bottom end of the first blanking turning plate is rotatably connected with the first blanking support frame, the top surface of the first blanking turning plate is an inclined surface and inclines towards the direction of a first blanking frame, one end of the first blanking turning plate is fixedly provided with a first blanking connecting rod, the blanking cylinder is hinged to one side wall of the first blanking support frame, a telescopic rod on the blanking cylinder is hinged to a first blanking push rod, the first blanking push rod is hinged to the first blanking connecting rod, the workpiece traveling driving assemblies are respectively fixed on the first blanking support frames on two sides of the first blanking turning plate, and a first fixing plate in the workpiece traveling driving assembly is fixedly connected.

In any of the above schemes, preferably, the blanking secondary sorting mechanism includes a second blanking frame, a second blanking support frame, a third blanking frame, and an opening and closing cylinder, the second blanking frame and the third blanking frame are located at one side of the second blanking support frame and at the same side as the first blanking frame, the second blanking frame is located between the third blanking frame and the second blanking support frame, the second blanking frame is fixed with a plurality of second arc-shaped plates arranged at equal intervals, the third blanking frame is fixed with a plurality of third arc-shaped plates arranged at equal intervals, a plurality of fixing rods distributed at equal intervals are fixed between the second blanking frame and the third blanking frame, a rotating rod is arranged between the second blanking frame and the third blanking frame, the rotating rod is rotatably connected with the fixing rods, an opening and closing blocking rod is fixed at a position on the rotating rod near the second arc-shaped plate, and a pushing block is fixed at a central position of the rotating rod, the opening and closing cylinder is fixedly connected with the side wall of the second blanking support frame, the free end of a telescopic rod on the opening and closing cylinder is hinged with the push block, and the opening and closing cylinder is obliquely arranged; a plurality of groups of blanking travelling assemblies distributed at equal intervals are arranged on the second blanking support frame, and the blanking travelling assemblies on the second blanking support frame have the same structure as the blanking travelling assemblies on the first blanking support frame; and a first fixing plate in the blanking travelling assembly is fixedly connected with a second blanking support frame.

In any of the above schemes, preferably, the end of the side wall of the feeding support frame, which is far away from the feeding frame, and the end of the side wall of the second discharging support frame, which is far away from the second discharging frame, are both fixed with second supporting blocks, an angle adjusting rod is arranged between the two second supporting blocks, the top of the angle adjusting rod is hinged with one corner end of the second fixing plate, the second supporting blocks are rotatably connected with cylinders, the second screw rods are in threaded connection with the cylinders, the axes of the second screw rods are perpendicular to the axes of the cylinders and penetrate through the cylinders, one ends of the second screw rods, which are close to the angle adjusting rod, are fixed with round blocks, and the two ends of the angle adjusting rod are both fixed with.

In any of the above schemes, preferably, a plurality of second pressure roller assemblies are respectively fixed on one side wall of the feeding support frame and one side wall of the first blanking support frame close to the detection mechanism, each second pressure roller assembly includes a support frame, a pressure rod and a third cylinder, the support frames are respectively fixed on the side walls of the feeding support frame and the first blanking support frame, the top of the support frame is rotatably connected with the pressure rod, the support frame below the pressure rod is hinged with the third cylinder, the free end of a telescopic rod on the third cylinder is hinged with the bottom of the pressure rod, so that the third cylinder drives the pressure rod to rotate, the bottom of one end of the pressure rod, far away from the support frame, is fixedly provided with a second pressure roller frame, the bottom of the second pressure roller frame is rotatably connected with a second pressure roller, the second pressure roller is positioned right above the two rubber-coated wheels, and the screw rod on the pressure rod is connected with, a limiting disc is fixed at the bottom end of the third screw rod, a rotating hand wheel is fixed at the top of the third screw rod, and the third screw rod is rotated through the rotating hand wheel, so that the distance between the limiting disc and the second fixing plate is adjusted, and the second pressing wheel is guaranteed to extrude workpieces with different diameters.

Compared with the prior art, the utility model provides an oil pipe magnetic leakage defectoscope has following beneficial effect:

1. through the arrangement of the feeding mechanism, the detection mechanism, the blanking first sorting mechanism and the blanking second sorting mechanism, the full automation of workpiece feeding, conveying, blanking detection and sorting of qualified workpieces and unqualified workpieces is realized, the automation degree is high, the labor intensity is reduced, the working efficiency is improved, and the automatic sorting device is suitable for detecting and conveying workpieces with different diameters;

2. the first pinch roller assembly and the second pinch roller assembly are respectively arranged on two sides of the detection mechanism and the detection mechanism, certain pressure is generated on the workpiece by the first pinch roller and the second pinch roller when the workpiece enters the detection mechanism and during detection, the stability of the workpiece in detection and transmission is ensured, the detection accuracy is facilitated, the probe can be driven to move up and down by the arrangement of the second cylinder and the first screw rod, the detection on workpieces with different diameters can be met, the first spring is arranged on the probe fixing frame, the change range of the distance between the probe and a detection surface is reduced, and the detection accuracy is improved;

3. after the automatic sorting of the first blanking sorting mechanism is finished, in order to prevent misjudgment in the automatic detection process of the detection mechanism, the screened unqualified workpieces enter the second sorting mechanism, are manually re-detected again, and are distinguished from the qualified workpieces and the unqualified workpieces and respectively enter the corresponding third blanking frame and the second blanking frame, so that the detection accuracy is further improved;

4. the second rotating rod drives the stop block to move back and forth by adjusting the first rotating rod, so that the workpiece feeding device is suitable for the purpose of stopping workpieces with different diameters from dropping from the feeding support rod, and the workpieces with different diameters can be conveniently extracted by the feeding turning plate.

Drawings

Fig. 1 is a schematic overall structure diagram of a preferred embodiment of the oil pipe leakage magnetic flaw detector provided by the present invention;

FIG. 2 is a schematic structural diagram of a feeding mechanism in the embodiment shown in FIG. 1;

FIG. 3 is an enlarged view of the loading mechanism in the embodiment of FIG. 2;

FIG. 4 is an enlarged view of a portion of A-A of the embodiment of FIG. 3;

FIG. 5 is a schematic structural diagram of the detecting mechanism in the embodiment shown in FIG. 1;

FIG. 6 is a schematic structural view of the inspection probe assembly of the embodiment of FIG. 5;

FIG. 7 is a left side view of the embodiment shown in FIG. 5;

FIG. 8 is a schematic structural view of the workpiece travel drive assembly of the embodiment of FIG. 1;

FIG. 9 is a schematic structural view of a first blanking sorting mechanism in the embodiment shown in FIG. 1;

FIG. 10 is an enlarged view of a portion of B-B of the embodiment of FIG. 9;

fig. 11 is a schematic structural diagram of a blanking secondary sorting mechanism in the embodiment shown in fig. 1.

The figures are labeled as follows: 1. a feeding mechanism; 101. a feeding frame; 102. a feeding support frame; 103. a feeding turnover plate; 104. a first rotating lever; 105. bending the pipe; 106. a chute; 107. a first support block; 108. a second bevel gear; 109. a first bevel gear; 110. a feeding rotating shaft; 111. a feeding support rod; 2. a detection mechanism; 201. a work table; 202. a detection frame; 203. a first pinch roller; 204. a first cylinder; 205. a third support plate; 206. a first pinch roller frame; 207. a second support plate; 208. a handle; 209. a fourth support plate; 210. a fifth support plate; 211. a sixth support plate; 212. a second cylinder; 213. a first screw; 214. a probe support frame; 215. a probe fixing frame; 216. a knob; 217. a guide wheel bracket; 218. a guide wheel; 219. A probe; 220. a fourth rotating rod; 221. adjusting a hand wheel; 3. a first blanking sorting mechanism; 301. a first blanking frame; 302. A first arc-shaped plate; 303. a fabric tape; 304. a first blanking turnover plate; 305. a first blanking support frame; 4. a second sorting mechanism for blanking; 401. a third blanking frame; 402. a third arc-shaped plate; 403. rotating the rod; 404. a second blanking support frame; 405. a stop lever is opened and closed; 406. an opening and closing cylinder; 407. a second arc-shaped plate; 408. a second blanking frame; 409. fixing the rod; 410. A second blanking turnover plate; 5. a workpiece travel drive assembly; 501. a motor; 502. wrapping a rubber wheel; 503. a second fixing plate; 504. A first fixing plate; 505. a screw groove; 6. a second pinch roller assembly; 601. a support frame; 602. a pressure lever; 603. a second pinch roller; 604. a second pressure roller frame; 605. a third cylinder; 606. rotating a hand wheel; 7. an angle adjusting rod; 8. a second screw; 9. a second support block; 10. a cylinder; 11. a circular block; 12. an angle adjusting block.

Detailed Description

In order to further understand the present invention, the present invention will be described in detail with reference to the following embodiments.

As shown in fig. 1-11, according to an embodiment of the oil pipe magnetic flux leakage flaw detector provided by the present invention, the oil pipe magnetic flux leakage flaw detector includes a feeding mechanism 1, a detecting mechanism 2, a first sorting mechanism 3 for blanking, and a second sorting mechanism 4 for blanking, which are sequentially arranged according to a workpiece detection order, the feeding mechanism 1 includes a feeding frame 101 and a feeding support frame 102, the feeding frame 101 is located at one side of the feeding support frame 102 and is fixedly connected to the feeding support frame 102, a workpiece stopper adjusting assembly is arranged at one end of the feeding frame 101 close to the feeding support frame 102, a plurality of groups of material taking walking assemblies are arranged on the feeding support frame 102, the material taking walking assemblies include a feeding turning plate 103 and a workpiece walking driving assembly 5, the feeding turning plate 103 is rotatably connected to the feeding support frame 102, the feeding support frames 102 at two sides of the feeding turning plate 103 are respectively provided with the workpiece walking driving assembly 5, the side wall of the feeding support frame 102 at one end of the feeding turning plate 103 is hinged with a feeding cylinder, the free end of a telescopic rod on the feeding cylinder is hinged with a feeding push rod, the feeding push rod is hinged with the feeding turning plate 103, and the workpiece walking driving assembly 5 is arranged in the detection mechanism 2, the first blanking sorting mechanism 3 and the second blanking sorting mechanism 4. The feeding cylinder and the feeding push rod are both fixed on the side wall of the feeding support frame 102 close to the feeding frame 101, and therefore cannot be shown in fig. 2.

The top of the feeding turning plate 103 is provided with a V-shaped notch, the bottom of the feeding turning plate 103 is fixed with a feeding rotating shaft 110, two ends of the feeding rotating shaft 110 are rotatably connected with a first bearing seat, the first bearing seat is fixed on the feeding support frame 102, one end of the feeding rotating shaft 110 penetrates through the first bearing seat and is fixed with a feeding connecting rod, and the feeding connecting rod is hinged to the feeding push rod.

A plurality of feeding support rods 111 which are arranged at equal intervals are fixed on the feeding frame 101, a vertical support rod is fixed at the bottom of one end, close to the feeding support frame 102, of each feeding support rod 111, the workpiece stop block adjusting assembly comprises a first rotating rod 104, the first rotating rod 104 is rotatably connected with the bottom of the feeding support rod 111 at the rear side of the vertical support rod, the first rotating rod 104 is located below the feeding support rod 111 and rotatably connected with the bottom of the feeding support rod 111 through a second bearing seat, a sliding groove 106 is fixed on one side wall of the vertical support rod, a stop block is placed in the sliding groove 106, an elbow 105 is fixed at one end, far away from the first rotating rod 104, of the stop block, the top end of the elbow 105 extends above the feeding support rod 111, a first support block 107 is fixed at one end, close to the first rotating rod 104, of the first support block 107 is rotatably connected with a second rotating rod which penetrates through, the second rotating rod is perpendicular to the axis of the first rotating rod 104, a first bevel gear 109 is fixed at one end of the second rotating rod close to the first rotating rod 104, the other end of the second rotating rod extends into the stopper and is in threaded connection with the stopper, and a second bevel gear 108 matched with the first bevel gear 109 is arranged on the first rotating rod 104. The rotation of the second bevel gear 108 drives the first bevel gear 109 to rotate the second rotating rod, and the second rotating rod is in threaded connection with the stop block, and the stop block can only do front-back linear motion in the slide groove 106 due to the limiting effect of the slide groove 106 on the stop block, so that the distance between the elbow 105 and the feeding turning plate 103 on the stop block is adjusted, and the workpiece feeding device is further suitable for workpieces with different diameters.

The workpiece walking driving assembly 5 comprises a motor 501, a first fixing plate 504, a screw and two rubber wrapping wheels 502 which enable the workpiece to advance spirally, a second fixing plate 503 is disposed on the top of the first fixing plate 504, three corner ends of the second fixing plate 503 are respectively provided with a screw groove 505, the screws pass through the screw grooves 505 to be fixed with the first fixing plates 504 to limit the up-and-down movement of the second fixing plates 503, the nuts of the screws are located above the second fixing plates 503, both ends of the two rubber-covered wheels 502 are rotatably connected with third bearing seats, the third bearing seat is fixedly connected with the second fixing plate 503, the two rubber-covered wheels 502 are in transmission connection through a chain wheel and a chain, one end of one rubber coating wheel 502 is connected with the motor 501 through a speed reducer, the rotation of the rubber coating wheel 502 is realized through the motor 501, the first fixing plate 504 of the workpiece traveling drive assembly 5 in the feeding mechanism 1 is fixedly connected with the feeding support frame 102.

The detection mechanism 2 comprises a workbench 201 and a detection frame 202, the detection frame 202 is fixed at the top of the workbench 201, at least four workpiece walking driving assemblies 5 arranged in parallel are arranged on the workbench 201, a first pinch roller assembly is fixed at the bottom of the detection frame 202 right above the workpiece walking driving assemblies 5, a detection probe assembly is installed at the central part of the bottom of the detection frame 202, the first pinch roller assembly is positioned at two sides of the detection probe assembly, the first pinch roller assembly comprises a first pinch roller frame, a first cylinder 204, a first supporting plate and a second supporting plate 207, a first pinch roller 203 is installed at the bottom of the first pinch roller frame, the first cylinder 204 is fixed on the first supporting plate, a telescopic rod on the first cylinder 204 penetrates through the first supporting plate and is fixedly connected with the top end of the first pinch roller frame, and an up-down lifting assembly is arranged on the second supporting plate 207, the up-down lifting component is connected with the first supporting plate to enable the first supporting plate to move up and down. The up-down lifting component comprises a third supporting plate 205, the third supporting plate 205 is fixed on the detection frame 202, a groove is arranged on the side wall of the third supporting plate 205 close to the first air cylinder 204, the bottom end of the groove is communicated with the outside, the top of the third supporting plate 205 is rotatably connected with a third rotating rod, the top end of the third rotating rod is fixed with a handle 208, the bottom end of the third rotating rod extends into the groove, the third rotating rod in the groove is provided with a thread, the third rotating rod is in threaded connection with the first supporting plate, the side wall of the first supporting plate close to the third supporting plate 205 is fixed with a slide block, the third supporting plate 205 is provided with a guide groove matched with the slide block, the guide groove has a limiting effect on the first supporting plate, so that the third rotating rod can drive the first supporting plate to move up and down only to drive the pinch roller to move up and down, and the first air cylinder 204 can drive the, because the setting positions of the pressing wheels are different due to workpieces with different diameters, and the distance for the first air cylinder 204 to drive the pressing wheels to move downwards is limited, if the pressing requirements on the workpieces cannot be met, the handle 208 needs to be manually rotated to enable the third rotating rod to rotate, so that the first supporting plate is driven to enable the pressing wheels to move downwards or upwards.

The detection probe assembly comprises a fourth supporting plate 209, a second air cylinder 212, a probe fixing frame 215, a guide wheel adjusting assembly and a probe supporting frame 214, the fourth supporting plate 209 is fixed on the detection frame 202, a fifth supporting plate 210 is fixed on the top of the fourth supporting plate 209, a first screw 213 is in threaded connection with the fifth supporting plate 210, the first screw 213 penetrates through the fifth supporting plate 210, an adjusting hand wheel 221 is fixed at the top end of the first screw 213, a sixth supporting plate 211 is rotatably connected with the bottom end of the first screw 213, the sixth supporting plate 211 is in sliding connection with the fourth supporting plate 209, the second air cylinder 212 is fixed on the sixth supporting plate 211, and an expansion link on the second air cylinder 212 penetrates through the sixth supporting plate 211 and is fixedly connected with the probe supporting frame 214; four guide rods are fixed on the probe fixing frame 215, first springs are sleeved on the guide rods, a probe supporting frame 214 is arranged above the probe fixing frame 215, the top ends of the guide rods penetrate through the probe supporting frame 214, and two ends of each first spring are fixedly connected with the probe fixing frame 215 and the probe supporting frame 214 respectively; a probe group is fixed at the bottom of the probe fixing frame 215, the probe group comprises a plurality of probes 219 which are arranged at equal intervals, two guide wheel brackets 217 are connected on the probe fixing frames 215 at two sides of the probe group in a sliding manner, namely, sliding holes are respectively arranged on the probe fixing frames 215 at two sides of the probe group, two guide wheel brackets 217 are arranged in the sliding holes, bolts are fixed at the top ends of the guide wheel brackets 217 and extend to the upper parts of the sliding holes, nuts are connected with the bolts above the sliding holes in a threaded manner and are contacted with the probe fixing frames 215 to support the guide wheel brackets 217, the bottom ends of the guide wheel brackets 217 extend to the outer side and are connected with guide wheels 218 in a rotating manner, the two guide wheel brackets 217 move relative to each other through a guide wheel adjusting assembly, the guide wheels 218 protect the probes, the guide wheel adjusting assembly comprises a fourth rotating rod 220, the fourth rotating rod 220 penetrates through the probe fixing frames 215 and is connected with, the two guide wheel brackets 217 are respectively in threaded connection with the fourth rotating rod 220, and the spiral directions of the connection between the two guide wheel brackets 217 and the fourth rotating rod 220 are opposite, so that when the fourth rotating rod 220 rotates, the two guide wheel brackets 217 drive the guide wheels 218 to move close to or away from each other, and one end of the fourth rotating rod 220 is fixed with the knob 216.

The blanking first-time sorting mechanism 3 comprises a first blanking frame 301 and a first blanking support frame 305, wherein the first blanking frame 301 is positioned on one side of the first blanking support frame 305 and positioned on the same side with the upper blanking frame 101, a plurality of first arc-shaped plates 302 which are arranged at equal intervals are fixed on the first blanking frame 301, pulleys which are arranged up and down are fixed at one end, close to the first arc-shaped plates 302, of the first blanking frame 301 and far away from the first blanking support frame 305, a fabric belt 303 is arranged on one side of the first arc-shaped plates 302, one end of the fabric belt 303 is fixed with the first blanking frame 301, the other end of the fabric belt 303 bypasses the pulleys and is fixed with a second spring, the second spring is a pneumatic spring, and the second spring is fixedly connected with the first blanking frame 301; a plurality of groups of blanking travelling assemblies are arranged on the first blanking support frame 305, each blanking travelling assembly comprises a first blanking turning plate 304 and a blanking cylinder, the bottom end of the first blanking turnover panel 304 is rotatably connected to the first blanking support bracket 305, the top surface of the first blanking turnover panel 304 is an inclined surface, and is inclined towards the first discharging frame 301, so that the workpiece can be automatically rolled into the first arc-shaped plate 302 for storage, a first blanking connecting rod is fixed at one end of the first blanking turnover plate 304, the blanking cylinder is hinged with one side wall of the first blanking supporting frame 305, a first blanking push rod is hinged with a telescopic rod on the blanking cylinder and is hinged with the first blanking connecting rod, the workpiece traveling driving components 5 are respectively fixed on the first blanking supporting frames 305 at two sides of the first blanking turnover plate 304, the first fixing plate 504 of the workpiece traveling drive assembly 5 is fixedly connected to the first unloading support frame 305.

The blanking secondary sorting mechanism 4 comprises a second blanking frame 408, a second blanking support frame 404, a third blanking frame 401 and an opening and closing cylinder 406, wherein the second blanking frame 408 and the third blanking frame 401 are positioned at one side of the second blanking support frame 404 and are positioned at the same side as the first blanking frame 301, the second blanking frame 408 is positioned between the third blanking frame 401 and the second blanking support frame 404, a plurality of second arc-shaped plates 407 which are arranged at equal intervals are fixed on the second blanking frame 408, a plurality of third arc-shaped plates 402 which are arranged at equal intervals are fixed on the third blanking frame 401, a plurality of fixing rods 409 which are distributed at equal intervals are fixed between the second blanking frame 408 and the third blanking frame 401, a rotating rod 403 is arranged between the second blanking frame 408 and the third blanking frame 401, the rotating rod 403 is rotatably connected with the fixing rod 409, an opening and closing blocking rod 405 is fixed on the rotating rod 403 near the second arc-shaped plates 407, one end of the opening and closing stop lever 405 is arranged close to the second blanking support frame 404, so that a workpiece smoothly slides from the second blanking turning plate to the opening and closing stop lever 405 and enters the third arc-shaped plate 402, a push block is fixed at the center part of the rotating rod 403, the opening and closing cylinder 406 is fixedly connected with the side wall of the second blanking support frame 404, the free end of a telescopic rod on the opening and closing cylinder 406 is hinged with the push block, and the opening and closing cylinder 406 is obliquely arranged; a plurality of groups of blanking travelling assemblies distributed at equal intervals are arranged on the second blanking support frame 404, and the blanking travelling assemblies on the second blanking support frame 404 have the same structure as the blanking travelling assemblies on the first blanking support frame 305; a first fixing plate 504 of the blanking travelling assembly is fixedly connected with a second blanking support frame 404.

The workpiece walking driving components 5 on the feeding support frame 102, the workbench 201, the first blanking support frame 305 and the second blanking support frame 404 are distributed on the same straight line, so that the workpieces can be smoothly transmitted.

One end of the side wall of the feeding support frame 102, which is far away from the feeding frame 101, and one end of the side wall of the second discharging support frame 404, which is far away from the second discharging frame 408, are both fixed with second support blocks 9, an angle adjusting rod 7 is arranged between the two second support blocks 9, the top of the angle adjusting rod 7 is hinged with one corner end of a second fixing plate 503, a cylinder 10 is rotatably connected onto the second support blocks 9, a second screw 8 is connected with the cylinder 10 in a threaded manner, the axis of the second screw 8 is perpendicular to the axis of the cylinder 10 and penetrates through the cylinder 10, a circular block 11 is fixed at one end of the second screw 8, which is close to the angle adjusting rod 7, two ends of the angle adjusting rod 7 are both fixed with angle adjusting blocks 12, the second screw 8 drives the circular block 11 to move to push the angle adjusting block 12 to drive the angle adjusting rod 7 to drive the second fixing plate 503 to rotate, thereby realizing the function of adjusting the spiral advancing speed of the workpiece.

A plurality of second pressure wheel assemblies 6 are respectively fixed on one side wall of the feeding support frame 102 and one side wall of the first blanking support frame 305 close to the detection mechanism 2, the second pressure wheel assemblies 6 are positioned on one side of the feeding support frame 102 and one side wall of the first blanking support frame 305 far away from the first blanking frame 301 and the feeding frame 101, each second pressure wheel assembly 6 comprises a support frame 601, a pressure rod and a third air cylinder 605, the support frames 601 are respectively fixed on the side walls of the feeding support frame 102 and the first blanking support frame 305, the top of each support frame 601 is rotatably connected with the pressure rod 602, the support frame 601 below the pressure rod 602 is hinged with the third air cylinder 605, the free end of a telescopic rod on the third air cylinder 605 is hinged with the bottom of the pressure rod, so that the third air cylinder 605 can drive the pressure rod to rotate, a second pressure wheel frame is fixed at the bottom of one end of the pressure rod far away from the support frame 601, and the bottom of the, the second pressing wheel 603 is located right above the two rubber-coated wheels 502, the second pressing wheel 603 presses the top of the workpiece to generate friction force, so that the workpiece is more stable when being transmitted to the workbench 201, the screw rod on the pressing rod is connected with a third screw rod penetrating through the pressing rod, a limiting disc is fixed at the bottom end of the third screw rod, a rotating hand wheel 606 is fixed at the top of the third screw rod, the third screw rod is rotated through the rotating hand wheel 606, and therefore the distance between the limiting disc and the second fixing plate 503 is adjusted, the distance between the second pressing wheel 603 and the rubber-coated wheels 502 is guaranteed, and the second pressing wheel 603 extrudes the workpieces with different diameters.

And a manual operation box is arranged on the side wall of the third blanking frame far away from the detection mechanism, a switch for controlling the opening and closing of the blanking air cylinder in the opening and closing air cylinder and the blanking secondary sorting mechanism is arranged on the manual operation box, and after the unqualified workpieces are manually detected again, the workpieces are screened and correspondingly enter the second blanking frame and the third blanking frame.

Still include the control cabinet, be equipped with detecting instrument and control assembly on the control cabinet, control assembly includes the PLC controller, the probe is connected with detecting instrument, first cylinder, second cylinder, third cylinder, motor, material loading cylinder, the unloading cylinder in the first sorting mechanism of unloading all are connected with the PLC controller, detecting instrument is for EC +/XCH vortex sorter, the model of PLC controller can be Siemens S7-300, but is not limited to above-mentioned one.

The working principle of the embodiment is as follows: firstly, feeding is carried out, a plurality of workpieces are placed on a feeding support rod 111 side by side, an elbow 105 on a stop block is used for stopping the workpieces from sliding off, a motor 501 is started to drive two rubber-coated wheels 502 to rotate, a telescopic rod on a feeding air cylinder pushes a feeding push rod to enable a feeding turning plate 103 to turn towards the direction of a detection mechanism 2, the feeding turning plate 103 lifts one workpiece to enable the workpiece to enter a V-shaped notch on the feeding turning plate 103 in the turning process, then the workpiece enters between the two rubber-coated wheels 502 in the resetting process of the feeding turning plate 103, the rubber-coated wheels 502 drive the workpiece to spirally move towards the direction of the detection mechanism 2 under the action of friction force, second press wheels 603 in second press wheel assemblies 6 on two sides of the detection mechanism 2 exert pressure on the workpiece under the action of a third air cylinder 605 and a limiting disc to generate friction force between the workpiece, so that the workpiece is more stable in the advancing process, and the, therefore, when a workpiece passes through the probe group, the workpiece can be comprehensively detected, the workpiece enters the blanking first sorting mechanism 3 after detection is finished, the probe 219 sends detected information to a detection instrument, the detection instrument sends a signal to the PLC, if the workpiece is detected to be qualified, the PLC controls the first blanking air cylinder to push the first blanking turning plate 304 to rotate, the qualified workpiece is lifted upwards, the workpiece automatically slides to the first arc-shaped plate 302 on the first blanking frame 301 to be stored, the workpiece is contacted with the fabric belt 303 in the sliding process, the buffering effect is achieved under the action of the second spring, the impact force of falling of the workpiece is relieved, if the workpiece is unqualified, the blanking air cylinder is not started, the workpiece continues to advance to the blanking second sorting mechanism 4, the unqualified workpiece is manually detected again, if the workpiece is qualified, the blanking air cylinder drives the second blanking turning plate 410 to lift the workpiece through the operation box, the workpiece automatically slides to the opening and closing stop rod 405 and slides to the third arc-shaped plate 402 for storage, if the detected workpiece is an unqualified workpiece, the opening and closing cylinder 406 drives the rotating rod 403 to rotate through the operation box, so that the rotating rod 403 is lifted upwards, the second blanking turning plate 410 lifts the workpiece, and the workpiece automatically enters the second arc-shaped plate 407 for storage.

Compared with the prior art, the embodiment has the following beneficial effects:

through the arrangement of the feeding mechanism, the detection mechanism, the first blanking sorting mechanism and the second blanking sorting mechanism, the full automation of sorting workpieces from feeding, transmission and detection of blanking and qualified workpieces and unqualified workpieces is realized, the automation degree is high, the labor intensity is reduced, the working efficiency is improved, and the automatic feeding device is suitable for detecting and conveying workpieces with different diameters.

It will be understood by those skilled in the art that the invention, including any combination of the elements of the above description and the detailed description and illustrated in the accompanying drawings, is not limited to the details and should not be construed as limited to the embodiments set forth herein for the sake of brevity. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an oil pipe magnetic leakage defectoscope which characterized in that: the automatic feeding device comprises a feeding mechanism, a detection mechanism, a first blanking sorting mechanism and a second blanking sorting mechanism which are sequentially arranged according to a workpiece detection sequence, wherein the feeding mechanism comprises a feeding frame and a feeding support frame, the feeding frame is positioned at one side of the feeding support frame and is fixedly connected with the feeding support frame, one end of the feeding frame, which is close to the feeding support frame, is provided with a workpiece stop block adjusting assembly, the feeding support frame is provided with a plurality of groups of material taking walking assemblies which are arranged at equal intervals, each material taking walking assembly comprises a feeding turning plate and a workpiece walking driving assembly, the feeding turning plate is rotatably connected with the feeding support frame, the feeding support frames at two sides of the feeding turning plate are respectively provided with the workpiece walking driving assemblies, the side wall of the feeding support frame at one end of the feeding turning plate is hinged with a feeding cylinder, and the free end of a telescopic rod on the feeding cylinder is, the feeding push rod is hinged with the feeding turning plate, and the workpiece walking driving assemblies are arranged in the detection mechanism, the blanking first sorting mechanism and the blanking second sorting mechanism.

2. The oil pipe magnetic flux leakage flaw detector of claim 1, characterized in that: the top of the feeding turning plate is provided with a V-shaped notch, the bottom of the feeding turning plate is fixed with a feeding rotating shaft, two ends of the feeding rotating shaft are rotatably connected with first bearing seats, the first bearing seats are fixed on the feeding supporting frame, one end of the feeding rotating shaft penetrates through the first bearing seats and is fixed with a feeding connecting rod, and the feeding connecting rod is hinged to the feeding push rod.

3. The oil pipe magnetic flux leakage flaw detector of claim 1, characterized in that: a plurality of feeding support rods which are arranged at equal intervals are fixed on the feeding frame, a vertical support rod is fixed at the bottom of one end, close to the feeding support frame, of each feeding support rod, the workpiece stop block adjusting assembly comprises a first rotating rod, the first rotating rod is rotatably connected with the bottom of the feeding support rod on the rear side of the vertical support rod, a sliding groove is fixed on one side wall of the vertical support rod, a stop block is placed in the sliding groove, an elbow is fixed at one end, far away from the first rotating rod, of the stop block, the top end of the elbow extends to the upper portion of the feeding support rod, a first support block is fixed at one end, close to the first rotating rod, of the sliding groove, a penetrating second rotating rod is rotatably connected with the first support block, a first bevel gear is fixed at one end, close to the first rotating rod, of the second rotating rod, extends into the stop block and is in threaded connection with the stop block, and a second bevel gear matched with the first bevel gear is arranged on the first rotating rod.

4. The oil pipe magnetic flux leakage flaw detector of claim 1, characterized in that: the work piece travel drive subassembly includes motor, first fixed plate, screw, two rubber-covered wheels that make the work piece spiral go forward, the top of first fixed plate sets up the second fixed plate, the three angle end of second fixed plate is equipped with the screw groove respectively, the screw passes the screw groove and fixes reciprocating to the second fixed plate with first fixed plate spacing, two rubber-covered wheel's both ends are all rotated and are connected with third bearing frame, third bearing frame with second fixed plate fixed connection is connected through sprocket and chain drive between two rubber-covered wheels, and the one end of one of them rubber-covered wheel is passed through the speed reducer and is connected with the motor, first fixed plate and material loading support frame fixed connection in the feed mechanism.

5. The oil pipe magnetic flux leakage flaw detector of claim 1, characterized in that: the detection mechanism comprises a workbench and a detection frame, the detection frame is fixed at the top of the workbench, the workbench is provided with at least four workpiece walking driving components which are arranged in parallel, the bottom of the detection frame right above the workpiece walking driving components is fixed with a first pinch roller component, the central part of the bottom of the detection frame is provided with a detection probe assembly, the first pinch roller assembly comprises a first pinch roller frame, a first cylinder, a first supporting plate and a second supporting plate, a first pinch roller is arranged at the bottom of the first pinch roller frame, the first cylinder is fixed on the first supporting plate, the telescopic rod on the first cylinder penetrates through the first supporting plate and is fixedly connected with the top end of the first pinch roller frame, and the second supporting plate is provided with an up-down lifting assembly, and the up-down lifting assembly is connected with the first supporting plate to enable the first supporting plate to move up and down.

6. The oil pipe magnetic flux leakage flaw detector of claim 5, characterized in that: the detection probe assembly comprises a fourth supporting plate, a second air cylinder, a probe fixing frame, a guide wheel adjusting assembly and a probe supporting frame, the fourth supporting plate is fixed on the detection frame, a fifth supporting plate is fixed at the top of the fourth supporting plate, a first screw rod is in threaded connection with the fifth supporting plate, an adjusting hand wheel is fixed at the top end of the first screw rod, a sixth supporting plate is rotatably connected to the bottom end of the first screw rod and is in sliding connection with the fourth supporting plate, the second air cylinder is fixed on the sixth supporting plate, and a telescopic rod on the second air cylinder penetrates through the sixth supporting plate and is fixedly connected with the probe supporting frame; the probe fixing frame is fixedly provided with four guide rods, a first spring is sleeved on each guide rod, a probe supporting frame is arranged above the probe fixing frame, the top end of each guide rod penetrates through the probe supporting frame, and two ends of each first spring are fixedly connected with the probe fixing frame and the probe supporting frame respectively; the utility model discloses a probe, including probe fixing frame, guide pulley adjusting assembly, probe group, probe fixing frame, guide pulley supporting frame, guide pulley adjusting assembly and guide pulley, the bottom of probe fixing frame is fixed with probe group, probe group includes a plurality of equidistant probe of arranging, sliding connection has two guide pulley supports on the probe fixing frame of probe group both sides, the bottom of guide pulley support extends to the outside and has the guide pulley with rotating, through guide pulley adjusting assembly relative movement between two guide pulley supports, guide pulley adjusting assembly includes the fourth bull stick, the fourth bull stick runs through the probe fixing frame is connected rather than rotating, two guide pulley supports respectively with fourth bull stick threaded connection, and the helix opposite direction that two guide pulley supports are connected with the fourth bull stick, the one.

7. The oil pipe magnetic flux leakage flaw detector of claim 1, characterized in that: the blanking first-time sorting mechanism comprises a first blanking frame and a first blanking support frame, wherein the first blanking frame is positioned on one side of the first blanking support frame and positioned on the same side with the feeding frame, a plurality of first arc-shaped plates which are arranged at equal intervals are fixed on the first blanking frame, pulleys which are arranged up and down are fixed at one end, close to the first arc-shaped plates and far away from the first blanking support frame, of the first blanking frame, a fabric belt is arranged on one side of each first arc-shaped plate, one end of the fabric belt is fixed with the first blanking frame, the other end of the fabric belt bypasses the pulleys and is fixed with a second spring, and the second spring is fixedly connected with the first blanking frame; the blanking device comprises a first blanking support frame, a plurality of groups of blanking traveling assemblies and a workpiece traveling driving assembly, wherein the first blanking support frame is provided with a first blanking turning plate, the blanking traveling assemblies comprise a first blanking turning plate and a blanking cylinder, the bottom end of the first blanking turning plate is rotatably connected with the first blanking support frame, the top surface of the first blanking turning plate is an inclined surface and inclines towards the direction of a first blanking frame, one end of the first blanking turning plate is fixedly provided with a first blanking connecting rod, the blanking cylinder is hinged to one side wall of the first blanking support frame, a telescopic rod on the blanking cylinder is hinged to a first blanking push rod, the first blanking push rod is hinged to the first blanking connecting rod, the workpiece traveling driving assemblies are respectively fixed on the first blanking support frames on two sides of the first blanking turning plate, and a first fixing plate in the workpiece traveling driving assembly is fixedly connected.

8. The oil pipe magnetic flux leakage flaw detector of claim 1, characterized in that: the blanking secondary sorting mechanism comprises a second blanking frame, a second blanking support frame, a third blanking frame and an opening and closing air cylinder, the second blanking frame and the third blanking frame are positioned on one side of the second blanking support frame and are positioned on the same side with the first blanking frame, the second blanking frame is positioned between the third blanking frame and the second blanking support frame, a plurality of second arc-shaped plates which are arranged at equal intervals are fixed on the second blanking frame, a plurality of third arc-shaped plates which are arranged at equal intervals are fixed on the third blanking frame, a plurality of fixing rods which are distributed at equal intervals are fixed between the second blanking frame and the third blanking frame, a rotating rod is arranged between the second blanking frame and the third blanking frame and is rotatably connected with the fixing rods, an opening and closing stop rod is fixed on the rotating rod at a position close to the second arc-shaped plate, and a pushing block is fixed at the central position of the rotating rod, the opening and closing cylinder is fixedly connected with the side wall of the second blanking support frame, the free end of a telescopic rod on the opening and closing cylinder is hinged with the push block, and the opening and closing cylinder is obliquely arranged; a plurality of groups of blanking travelling assemblies distributed at equal intervals are arranged on the second blanking support frame, and the blanking travelling assemblies on the second blanking support frame have the same structure as the blanking travelling assemblies on the first blanking support frame; and a first fixing plate in the blanking travelling assembly is fixedly connected with a second blanking support frame.

9. The oil pipe magnetic flux leakage flaw detector of claim 8, characterized in that: the feeding support frame is characterized in that one end, far away from the feeding frame, of the side wall of the feeding support frame and one end, far away from the second discharging frame, of the side wall of the second discharging support frame are both fixed with second supporting blocks, an angle adjusting rod is arranged between the two second supporting blocks, the top of the angle adjusting rod is hinged to one corner end of a second fixing plate, a cylinder is rotatably connected onto the second supporting blocks, a second screw is in threaded connection with the cylinder, the axis of the second screw is perpendicular to the axis of the cylinder and penetrates through the cylinder, a round block is fixed at one end, close to the angle adjusting rod, of the second screw, and angle adjusting blocks are fixed at two ends of the angle.

10. The oil pipe magnetic flux leakage flaw detector of claim 9, characterized in that: a plurality of second pressure roller assemblies are respectively fixed on one side wall of the feeding support frame and one side wall of the first blanking support frame, which are close to the detection mechanism, and each second pressure roller assembly comprises a support frame, a pressure rod and a third air cylinder, the support frames are respectively fixed on the side walls of the feeding support frame and the first blanking support frame, the top of each support frame is rotatably connected with the pressure rod, the support frame below the pressure rod is hinged with the third air cylinder, the free end of a telescopic rod on the third air cylinder is hinged with the bottom of the pressure rod, so that the third air cylinder drives the pressure rod to rotate, a second pressure roller frame is fixed at the bottom of one end of the pressure rod, which is far away from the support frame, the bottom of the second pressure roller frame is rotatably connected with a second pressure roller, the second pressure roller is positioned right above the two rubber-coated wheels, the screw rod on the pressure rod is connected with a third screw rod, and a rotating hand wheel is fixed at the top of the third screw rod, and the third screw rod is rotated by rotating the hand wheel, so that the distance between the limiting disc and the second fixing plate is adjusted, and the second pressing wheel is ensured to extrude workpieces with different diameters.