Welded pipe flaw detector

Abstract

The utility model discloses a flaw detection machine for welded pipes, and particularly relates to the technical field of flaw detection of the welded pipes, the flaw detection machine comprises a detection frame for performing flaw detection on the welded pipes, the top of the detection frame is provided with a placing groove for placing the welded pipes, and a cleaning assembly, a drying assembly and a flaw detection assembly are sequentially arranged in the placing groove from left to right; the cleaning assembly comprises a first annular plate and two annular cleaning brushes, and the first annular plate is arranged between the two annular cleaning brushes. According to the utility model, the surface of the welded pipe is washed by spraying water through the cleaning assembly, then the outer surface of the welded pipe is dried by utilizing the drying assembly, and then the welded pipe is moved into the gear ring, so that the damage degree of the outer surface of the welded pipe can be detected by utilizing the four ultrasonic flaw detectors; therefore, the flaw detection precision of the outer surface of the welded pipe can be improved, the welded pipe is driven by the plurality of driving rollers to automatically move, manual operation is not needed, and the flaw detection efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welded pipe flaw detection, in particular to a welded pipe flaw detector. Background Art

[0002] Since welded pipes are completed by welding, they need to be inspected by a flaw detector during processing and production to find out inferior products. At present, in order to improve the flaw detection efficiency of welded pipes, a Chinese patent with the prior art announcement number CN217846177U discloses a welded pipe flaw detector for welded pipe processing. The utility model can achieve the effect of fast and comprehensive flaw detection of welded pipes during use. Compared with manual detection, it saves time and labor, effectively improves the flaw detection efficiency of welded pipes, has a high degree of automation, is not prone to omissions, ensures the accuracy of flaw detection results, and has good practicality.

[0003] However, the above-mentioned prior art still has the following problems when in use: since a large amount of soot is generated when welding the welded pipe, the welded pipe production workshop will be full of soot, and some of the soot will adhere to the welded pipe. When the welded pipe is stored for a period of time, the soot on its surface will agglomerate, thereby affecting the flaw detection accuracy of the flaw detector. Based on this, the utility model provides a flaw detector that can automatically clean the surface of the welded pipe. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a welded pipe flaw detector, which first processes the outer surface of the welded pipe by using a cleaning component and a drying component, thereby improving the accuracy of flaw detection on the outer surface of the welded pipe, and uses multiple driving rollers to drive the welded pipe to move automatically, without the need for manual operation, thereby greatly improving the flaw detection efficiency, so as to solve the problems arising from the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a welded pipe flaw detector, comprising an inspection frame for flaw detection of welded pipes, a placement groove for placing welded pipes is provided on the top of the inspection frame, a cleaning component, a drying component and a flaw detection component are arranged in the placement groove from left to right in sequence, the cleaning component comprises a first ring plate and two annular cleaning brushes, the first ring plate is arranged between the two annular cleaning brushes, a plurality of evenly distributed first nozzles are fixedly embedded on the inner wall of the first ring plate, the two annular cleaning brushes are both in contact with the outer wall of the welded pipe, the drying component comprises two second ring plates distributed on the left and right, the two second ring plates are both arranged between the annular cleaning brushes and the flaw detection component, a plurality of second nozzles are fixedly arranged on the inner walls of the two second ring plates, the flaw detection component comprises a gear ring, the gear ring is arranged on the side away from the second ring plate, and four ultrasonic flaw detectors are fixedly embedded on the inner wall of the gear ring for detecting damage on the surface of the welded pipe.

[0006] In a preferred embodiment, a plurality of mounting grooves are opened on the inner wall of the placement groove, and the first ring plate, the second ring plate, the annular cleaning brush and the gear ring are respectively rotatably arranged in the plurality of mounting grooves, and a cover body is fixedly arranged on one side of the top of the detection frame, and the cover body is arranged on the outside of the first ring plate, the annular cleaning brush and the second ring plate.

[0007] In a preferred embodiment, two left-right symmetrical support plates are fixedly provided at the bottom of the detection frame, a gear is rotatably provided between the two support plates, the top of the gear passes through the mounting groove and meshes with the bottom of the gear ring, a motor is fixedly embedded on the support plate located on one side of the gear, one end of the motor output shaft passes through the support plate and is fixed to the gear, so as to drive the gear to rotate.

[0008] In a preferred embodiment, a water tank is fixedly provided on one side of the top of the cover body, and water is stored in the water tank. A suction pump is connected to the side of the water tank away from the gear ring. The suction pump is fixed on the top of the cover body, and one end of the water outlet pipe of the suction pump passes through the cover body and the first ring plate in sequence and is connected to multiple first nozzles. The suction pump is used to automatically suck water from the water tank, and no staff operation is required, which saves time and effort to use.

[0009] In a preferred embodiment, a hot air blower is fixed on the top of the cover body, and the hot air blower is arranged on the side away from the water storage tank. One end of the air outlet pipe of the hot air blower passes through the cover body and is connected to multiple second nozzles. The hot air blower is used to generate hot air, thereby improving the drying effect of the welded pipe.

[0010] In a preferred embodiment, a plurality of driving rollers are fixedly embedded in the inner walls on both the front and rear sides of the placement groove, and the plurality of driving rollers are in contact with the outer wall of the welding pipe to drive the welding pipe to move.

[0011] In a preferred embodiment, a controller for controlling the motor, ultrasonic flaw detector, suction pump, hot air blower and driving roller is fixedly provided at the front end of the detection frame, and the controller is arranged on one side of the gear ring.

[0012] Technical effects and advantages of the utility model:

[0013] 1. The utility model uses a cleaning component to spray water to wash the surface of the welded pipe, and then uses a drying component to dry the outer surface of the welded pipe. After that, the welded pipe is moved to the inside of the gear ring, and four ultrasonic flaw detectors can be used to detect the degree of damage to the outer surface of the welded pipe. Compared with the prior art, the outer surface of the welded pipe is first processed by using a cleaning component and a drying component, so as to improve the accuracy of flaw detection on the outer surface of the welded pipe, and multiple driving rollers are used to drive the welded pipe to move automatically, without manual operation, thereby greatly improving the flaw detection efficiency.

[0014] 2. The motor drives the gear to rotate, and the gear rotation drives the gear ring to rotate in the installation groove, which is convenient for adjusting the positions of the four ultrasonic flaw detectors. In this way, comprehensive flaw detection of the outer surface of the welded pipe can be achieved without manual adjustment, which saves time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a cross-sectional view of the cover body of the utility model;

[0017] Figure 3 This is a schematic diagram of the first ring plate of the utility model;

[0018] Figure 4 This is a schematic diagram of the second ring plate of the utility model;

[0019] Figure 5 It is a cross-sectional view of the base of the utility model.

[0020] The reference numerals are: 1, detection frame; 2, welding pipe; 3, placement tank; 4, cleaning assembly; 5, drying assembly; 6, flaw detection assembly; 7, installation slot; 8, cover; 9, support plate; 10, gear; 11, motor; 12, water storage tank; 13, suction pump; 14, hot air blower; 15, driving roller; 16, controller;

[0021] 401, first ring plate; 402, annular cleaning brush; 403, first nozzle;

[0022] 501, second ring plate; 502, second nozzle;

[0023] 601. Gear ring; 602. Ultrasonic flaw detector. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Refer to the instruction manual Figure 1-5The utility model provides a weld pipe flaw detector, comprising a detection frame 1 for flaw detection of a weld pipe 2, characterized in that: a placement groove 3 for placing the weld pipe 2 is opened on the top of the detection frame 1, a plurality of driving rollers 15 are fixedly embedded in the inner walls of the front and rear sides of the placement groove 3, and the plurality of driving rollers 15 are in contact with the outer wall of the weld pipe 2 for driving the weld pipe 2 to move, a cleaning component 4, a drying component 5 and a flaw detection component 6 are arranged in the placement groove 3 from left to right, a cover body 8 is fixedly arranged on one side of the top of the detection frame 1, and the cover body 8 is arranged outside the first ring plate 401, the annular cleaning brush 402 and the second ring plate 501;

[0026] Specifically, the cleaning assembly 4 includes a first ring plate 401 and two annular cleaning brushes 402, the first ring plate 401 is arranged between the two annular cleaning brushes 402, a plurality of evenly distributed first nozzles 403 are fixedly embedded on the inner wall of the first ring plate 401, and the two annular cleaning brushes 402 are in contact with the outer wall of the welding pipe 2, a water storage tank 12 is fixedly arranged on one side of the top of the cover body 8, water is stored in the water storage tank 12, a side of the water storage tank 12 away from the gear ring 601 is connected to a suction pump 13, the suction pump 13 is fixed on the top of the cover body 8, one end of the water outlet pipe of the suction pump 13 passes through the cover body 8 and the first ring plate 401 in sequence and is connected to the plurality of first nozzles 403, the suction pump 13 is used to automatically suck the water in the water storage tank 12, no staff operation is required, and it is more time-saving and labor-saving to use;

[0027] Specifically, the drying component 5 includes two second ring plates 501 distributed on the left and right, the two second ring plates 501 are both arranged between the annular cleaning brush 402 and the flaw detection component 6, the inner walls of the two second ring plates 501 are fixed with a plurality of second nozzles 502, the top of the cover body 8 is fixed with a hot air blower 14, the hot air blower 14 is arranged on the side away from the water storage tank 12, one end of the air outlet pipe of the hot air blower 14 passes through the cover body 8 and is connected to the plurality of second nozzles 502, and the hot air blower 14 is used to generate hot air, so as to improve the drying effect of the welding pipe 2;

[0028] Specifically, the flaw detection assembly 6 includes a gear ring 601, which is arranged on a side away from the second ring plate 501, and four ultrasonic flaw detectors 602 are fixedly embedded on the inner wall of the gear ring 601 for detecting the damage on the surface of the welded pipe 2;

[0029] Next, a plurality of mounting grooves 7 are opened on the inner wall of the placement groove 3, and the first ring plate 401, the second ring plate 501, the annular cleaning brush 402 and the ring gear 601 are rotatably arranged in the plurality of mounting grooves 7 respectively, and a controller 16 for controlling the motor 11, the ultrasonic flaw detector 602, the suction pump 13, the hot air blower 14 and the driving roller 15 is fixedly arranged at the front end of the detection frame 1, and the controller 16 is arranged on one side of the ring gear 601.

[0030] When in use, the welded pipe 2 to be inspected is first pushed into the placement groove 3, and then the welded pipe 2 is driven by multiple driving rollers 15 to move slowly. The welded pipe 2 first contacts with one of the annular cleaning brushes 402, and then the suction pump 13 and multiple first nozzles 403 are used to cooperate with water spraying to rinse the surface of the welded pipe 2. When the welded pipe 2 after brushing passes through the two second ring plates 501, it is dried by the hot air sprayed by the multiple second nozzles 502. After that, when the welded pipe 2 is moved to the inside of the gear ring 601, the outer surface of the welded pipe 2 contacts the detection heads of four ultrasonic flaw detectors 602, and then the degree of damage to the outer surface of the welded pipe 2 can be detected. Finally, the welded pipe 2 that has been inspected is moved out of the placement groove 3. The device first processes the outer surface of the welded pipe 2 by setting a cleaning component 4 and a drying component 5, so as to improve the accuracy of flaw detection on the outer surface of the welded pipe 2, and does not require manual flaw detection by staff, thereby greatly improving the flaw detection efficiency.

[0031] For further information, please refer to the attached manual. Figure 5 Two left-right symmetrical support plates 9 are fixedly provided at the bottom of the detection frame 1, and a gear 10 is rotatably provided between the two support plates 9. The top of the gear 10 passes through the mounting groove 7 and meshes with the bottom of the gear ring 601. A motor 11 is fixedly embedded on the support plate 9 located on one side of the gear 10. One end of the output shaft of the motor 11 passes through the support plate 9 and is fixed to the gear 10, so as to drive the gear 10 to rotate.

[0032] The motor 11 drives the gear 10 to rotate, and the rotation of the gear 10 drives the gear ring 601 to rotate in the installation groove 7, so as to facilitate the adjustment of the positions of the four ultrasonic flaw detectors 602, thereby realizing comprehensive flaw detection on the outer surface of the welded pipe 2, without the need for manual adjustment, and saving time and effort in use.

[0033] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A welded pipe flaw detector, comprising a detection frame (1) for flaw detection of a welded pipe (2), characterized in that: The top of the detection frame (1) is provided with a placement slot (3) for placing the welded pipe (2), and the placement slot (3) is provided with a cleaning component (4), a drying component (5) and a flaw detection component (6) in sequence from left to right; The cleaning assembly (4) comprises a first ring plate (401) and two annular cleaning brushes (402), wherein the first ring plate (401) is arranged between the two annular cleaning brushes (402), a plurality of evenly distributed first nozzles (403) are fixedly embedded on the inner wall of the first ring plate (401), and the two annular cleaning brushes (402) are in contact with the outer wall of the welding pipe (2); The drying component (5) comprises two second ring plates (501) distributed on the left and right, the two second ring plates (501) are both arranged between the annular cleaning brush (402) and the flaw detection component (6), and the inner walls of the two second ring plates (501) are both fixedly provided with a plurality of second nozzles (502); The flaw detection assembly (6) comprises a gear ring (601), the gear ring (601) being arranged on a side away from the second ring plate (501), and four ultrasonic flaw detectors (602) being fixedly embedded in the inner wall of the gear ring (601) for detecting damage on the surface of the welded pipe (2).

2. A welded pipe flaw detector according to claim 1, characterized in that: The inner wall of the placement groove (3) is provided with a plurality of installation grooves (7); the first ring plate (401), the second ring plate (501), the annular cleaning brush (402) and the gear ring (601) are rotatably arranged in the plurality of installation grooves (7) respectively; a cover body (8) is fixedly arranged on one side of the top of the detection frame (1); the cover body (8) is arranged on the outside of the first ring plate (401), the annular cleaning brush (402) and the second ring plate (501).

3. A welded pipe flaw detector according to claim 2, characterized in that: Two left-right symmetrical support plates (9) are fixedly provided at the bottom of the detection frame (1), a gear (10) is rotatably provided between the two support plates (9), the top of the gear (10) passes through the mounting groove (7) and meshes with the bottom of the gear ring (601), a motor (11) is fixedly embedded on the support plate (9) located on one side of the gear (10), one end of the output shaft of the motor (11) passes through the support plate (9) and is fixed to the gear (10), and is used to drive the gear (10) to rotate.

4. A welded pipe flaw detector according to claim 3, characterized in that: A water storage tank (12) is fixedly provided on one side of the top of the cover body (8), and water is stored in the water storage tank (12). A suction pump (13) is connected to the side of the water storage tank (12) away from the gear ring (601). The suction pump (13) is fixed on the top of the cover body (8), and one end of the water outlet pipe of the suction pump (13) passes through the cover body (8) and the first ring plate (401) in sequence and is connected to the plurality of first nozzles (403).

5. A welded pipe flaw detector according to claim 4, characterized in that: A hot air blower (14) is fixed on the top of the cover body (8), and the hot air blower (14) is arranged on a side away from the water storage tank (12). One end of the air outlet pipe of the hot air blower (14) passes through the cover body (8) and is connected to the plurality of second nozzles (502).

6. A welded pipe flaw detector according to claim 5, characterized in that: A plurality of driving rollers (15) are fixedly embedded in the inner walls on both the front and rear sides of the placement groove (3); the plurality of driving rollers (15) are in contact with the outer wall of the welding pipe (2) and are used to drive the welding pipe (2) to move.

7. A welded pipe flaw detector according to claim 6, characterized in that: A controller (16) for controlling a motor (11), an ultrasonic flaw detector (602), a suction pump (13), a hot air blower (14) and a driving roller (15) is fixedly arranged at the front end of the detection frame (1), and the controller (16) is arranged on one side of the gear ring (601).

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