Internal defect detection device with marking function

Abstract

The utility model discloses an internal defect detection device with a marking function, which belongs to the technical field of aluminum tube flaw detection and comprises a support frame, and an eddy current flaw detector for performing flaw detection on an aluminum tube is mounted on the support frame; the supporting frame is provided with a conveying assembly used for conveying aluminum pipes. The two transportation assemblies are distributed on the two sides of the eddy current flaw detector; the supporting frame is provided with a feeding and discharging assembly used for automatic feeding and discharging. A marking assembly used for marking the defect position of the aluminum pipe is installed on the supporting frame. The supporting frame is provided with a limiting assembly used for limiting transportation of the aluminum pipes. By means of the mode, a whole circle of coating is smeared on the aluminum pipe at the defect position, the function of marking the defect position of the aluminum pipe is achieved, coating of the whole circle of coating is not prone to being neglected and blocked, and the prompting effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum tube flaw detection, in particular to an internal defect flaw detection device with a marking function. Background Art

[0002] Eddy current flaw detection plays an important role in the manufacturing process of aluminum tubes. Due to the process and material reasons, various defects may appear in the manufacturing process of aluminum tubes, such as cracks, pores, sand holes, etc. The existence of these defects may have a significant impact on the quality and performance of aluminum tubes, and even lead to safety hazards.

[0003] Chinese patent CN116423467B discloses an automated flaw detection device, including a frame, a movable plate located at the top of the frame, and a flaw detection structure and a marking structure installed at the bottom of the movable plate. Connecting frames are fixedly installed on both sides of the frame, connecting plates are fixed on the tops of the two connecting frames, and two second telescopic rods are fixed on the tops of each of the connecting plates. The automated flaw detection device can control the marking ring to mark the damaged part when detecting internal damage to the metal.

[0004] However, the existing device still has the following problems: when spraying and marking the aluminum tube, only one side of the aluminum tube can be marked, which is easily obscured and overlooked when checking the mark. It is necessary to manually rotate the aluminum tube to check whether there is a mark to confirm whether there is a defect inside the aluminum tube.

[0005] Based on this, the utility model designs an internal defect detection device with a marking function to solve the above problem. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides an internal defect detection device with a marking function.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] An internal defect detection device with a marking function comprises a support frame;

[0009] An eddy current flaw detector for performing flaw detection on the aluminum tube is installed on the support frame;

[0010] The support frame is provided with a transport assembly for transporting the aluminum tube; two groups of transport assemblies are provided, which are distributed on both sides of the eddy current flaw detector;

[0011] The support frame is provided with a loading and unloading assembly for automatic loading and unloading;

[0012] The support frame is provided with a marking component for marking defects of the aluminum tube;

[0013] The marking assembly includes a fixed plate, a clamping assembly and a rotary spraying assembly; the front and rear ends of the fixed plate are respectively fixedly connected to the front and rear inner walls of the support frame, the clamping assembly and the rotary spraying assembly are both connected to the fixed plate, and the clamping assembly is connected to the rotary spraying assembly;

[0014] The support frame is provided with a limiting component for limiting the position of the aluminum tube during transportation.

[0015] Furthermore, the transport assembly includes a V-shaped roller, a synchronous belt and a first motor; a plurality of sets of fixed seats are symmetrically fixedly connected to the front and rear sides of the top of the V-shaped roller, the two ends of the V-shaped roller are rotatably connected to the fixed seats through a rotating shaft, the rear end of the middle set of fixed seats is fixedly connected to the first motor, and the first motor is transmission-connected to the remaining V-shaped rollers through a synchronous belt.

[0016] Furthermore, the upper and lower material components include an upper material bin, a first cylinder, a connecting rod, a top plate, an L-shaped guide plate and a lower material bin; the bottom of the upper material bin is fixedly connected to the first cylinder, the output end of the first cylinder is fixedly connected to the connecting rod, the upper ends of the connecting rods are fixedly connected to the top plates on both sides, the top plates are limitedly slidably connected to the upper material bin, and the front ends of the upper material bin are fixedly connected to the L-shaped guide plates on both sides; the lower material bin is arranged on the right side of the support frame, the opening of the lower material bin faces the support frame, and the inner bottom of the lower material bin is inclined forward.

[0017] Furthermore, the distance from the rear end of the top plate to the rear end of the L-shaped guide plate is greater than the diameter of one aluminum tube and less than the diameters of two aluminum tubes.

[0018] Furthermore, the inner bottom of the upper silo is inclined toward the rear end, and the top of the top plate is arranged as an inclined surface inclined toward the rear.

[0019] Furthermore, the clamping assembly includes a second cylinder, a fixed block, a top block, a limit block, a rotating shaft, a guide bevel block and a rotating block; the fixed block is fixedly connected to the side wall of the fixed plate, the second cylinder is fixedly connected to the fixed plate through a bracket, the output end of the second cylinder is fixedly connected to the bottom of the top block, the top block is slidingly connected to the fixed block, the front and rear ends of the fixed block are fixedly connected to the guide bevel blocks, the guide bevel blocks are symmetrically arranged front to back, the side wall of the fixed plate is fixedly connected to the limit block, the upper end of the top block is slidingly connected to the limit block, the side wall of the fixed plate is rotatably connected to two sets of rotating shafts, the middle part of the rotating block is fixedly connected to the rotating shaft, and the rotating block and the rotating shaft are symmetrically arranged front to back; the rotating block and the top block are both connected to the rotary spraying assembly.

[0020] Furthermore, the rotary spraying assembly includes a second motor, a roller and a liquid inlet pipe; the upper ends of the top block and the rotating block are rotatably connected to the roller via a rotating shaft, the right side of the upper end of the top block is fixedly connected to the second motor, the output end of the second motor is fixedly connected to the roller, the rotating shaft of the roller at the rear end of the top block is rotatably connected to the liquid inlet pipe, and the liquid inlet pipe is connected to an external paint conveying device; the rotating shaft of the roller at the rear end of the top block is hollow and has a through groove, and the roller at the rear end of the roller has a plurality of through holes, and the through holes, the through groove and the liquid inlet pipe are connected.

[0021] Furthermore, a torsion spring is arranged inside the rotating shaft.

[0022] Furthermore, the limiting assembly includes a base, a third cylinder, a second roller and a connecting seat; the lower end of the base is fixedly connected to the top of the support frame, the upper end of the base is fixedly connected to the third cylinder, the output end of the third cylinder is fixedly connected to the connecting seat, and the lower end of the connecting seat is rotatably connected to the second roller.

[0023] The utility model has the following technical effects:

[0024] 1. When the eddy current flaw detector detects defects inside the aluminum tube, the output end of the second cylinder drives the top block to move upward under the limit of the fixed block, and the top block drives the guide bevel block to move upward, and the guide bevel block pushes the rotating block to rotate around the rotating shaft, so that the aluminum tube is clamped by the rollers, and at the same time, the output end of the second motor is started, driving a group of rollers to rotate, so that the aluminum tube rotates, and drives the remaining rollers to rotate, and at the same time, the external paint conveying device conveys the paint to the rollers through the liquid inlet pipe and flows out through the through holes on the rollers, so that the paint is applied to the aluminum tube at the defective position for a full circle, realizing the function of marking the defects of the aluminum tube, and applying a full circle of paint is not easy to be ignored and blocked, and the prompt effect is good; then the output end of the second cylinder contracts and drives the top block to descend, and the two groups of rotating blocks are also driven to reset by the reset elastic force of the torsion spring to cause the rollers to loosen the aluminum tube so that the aluminum tube continues to be transported.

[0025] 2. The utility model piles up the aluminum tubes in the upper bin, the output end of the first cylinder drives the connecting rod to move upward, the connecting rod drives the top plate to move upward to lift the aluminum tube until the top plate is higher than the L-shaped guide plate, the aluminum tube rolls along the top of the top plate and the L-shaped guide plate to the V-shaped roller on the left, the output end of the first motor drives the V-shaped roller to rotate and transport the aluminum tube through the synchronous belt, the aluminum tube passes through the detection hole of the eddy current flaw detector for internal defect detection, after the detection, it continues to be transported to the lower bin by the V-shaped roller on the right, the output end of the first cylinder resets to drive the top plate to reset, and then continues to lift the aluminum tube for detection, thereby realizing continuous internal flaw detection of the aluminum tube, and the work efficiency is high.

[0026] 3. When the aluminum tube is conveyed on the V-shaped roller, the output end of the second roller drives the connecting seat and the second roller to move downward, so that the second roller is in close contact with the surface of the aluminum tube, reducing the shaking of the aluminum tube, so that the aluminum tube passes through the detection hole of the eddy current flaw detector more smoothly. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0028] Figure 1 The utility model is a three-dimensional internal defect detection device with marking function Figure 1 ;

[0029] Figure 2 It is a front view of an internal defect detection device with marking function of the utility model;

[0030] Figure 3 This is a schematic diagram of the structure of the loading and unloading components of an internal defect detection device with a marking function of the utility model;

[0031] Figure 4 For along Figure 2 AA direction cross-sectional view;

[0032] Figure 5 The utility model is a three-dimensional internal defect detection device with marking function Figure 2 .

[0033] The numbers in the figure represent:

[0034] 1. Transport assembly; 11. V-shaped roller; 12. Synchronous belt; 13. First motor; 2. Loading and unloading assembly; 21. Loading bin; 22. First cylinder; 23. Connecting rod; 24. Top plate; 25. L-shaped guide plate; 26. Unloading bin; 3. Eddy current flaw detector; 4. Marking assembly; 41. Fixed plate; 42. Clamping assembly; 421. Second cylinder; 422. Fixed block; 423. Top block; 424. Limiting block; 425. Rotating shaft; 426. Guide bevel block; 427. Rotating block; 43. Rotating spray assembly; 431. Second motor; 432. Roller; 433. Liquid inlet pipe; 5. Limiting assembly; 51. Base; 52. Third cylinder; 53. Second roller; 54. Connecting seat; 6. Support frame. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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.

[0036] The utility model is further described below in conjunction with embodiments.

[0037] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0038] Example 1

[0039] Please refer to the instruction manual Figure 1-5 , an internal defect detection device with a marking function, comprising a support frame 6;

[0040] The support frame 6 is provided with an eddy current flaw detector 3 for flaw detection of the aluminum tube;

[0041] The support frame 6 is provided with a transport assembly 1 for transporting the aluminum tube; two groups of transport assemblies 1 are provided, which are distributed on both sides of the eddy current flaw detector 3;

[0042] The transport assembly 1 comprises a V-shaped roller 11, a synchronous belt 12 and a first motor 13; a plurality of sets of fixed seats are symmetrically fixedly connected to the front and rear sides of the top of the V-shaped roller 11, and both ends of the V-shaped roller 11 are rotatably connected to the fixed seats through a rotating shaft, and a first motor 13 is fixedly connected to the rear end of a middle set of fixed seats, and the first motor 13 is transmission-connected to the remaining V-shaped rollers 11 through the synchronous belt 12;

[0043] The support frame 6 is provided with a loading and unloading assembly 2 for automatic loading and unloading;

[0044] The upper and lower material assembly 2 includes an upper material bin 21, a first cylinder 22, a connecting rod 23, a top plate 24, an L-shaped guide plate 25 and a lower material bin 26; the bottom of the upper material bin 21 is fixedly connected to the first cylinder 22, the output end of the first cylinder 22 is fixedly connected to the connecting rod 23, the upper ends of the connecting rod 23 are fixedly connected to the top plates 24 on both sides, the top plates 24 are limitedly slidably connected to the upper material bin 21, and the front ends of the upper material bin 21 are fixedly connected to the L-shaped guide plates 25 on both sides; the lower material bin 26 is arranged on the right side of the support frame 6, the opening of the lower material bin 26 faces the support frame 6, and the inner bottom of the lower material bin 26 is inclined forward to facilitate the rolling and giving way of the aluminum tube after it falls.

[0045] The distance between the rear end of the top plate 24 and the rear end of the L-shaped guide plate 25 is greater than the diameter of one aluminum tube and less than the diameter of two aluminum tubes, so that the top plate 24 can lift one aluminum tube each time;

[0046] The inner bottom of the loading bin 21 is inclined toward the rear end, and the top of the top plate 24 is set as an inclined surface inclined backward to facilitate the loading of aluminum tubes;

[0047] The aluminum tubes are piled up in the upper bin 21, and the output end of the first cylinder 22 drives the connecting rod 23 to move upward, and the connecting rod 23 drives the top plate 24 to move upward to lift the aluminum tubes until the top plate 24 is higher than the L-shaped guide plate 25, and the aluminum tubes roll along the top of the top plate 24 and the L-shaped guide plate 25 to the V-shaped roller 11 on the left, and the output end of the first motor 13 drives the V-shaped roller 11 to rotate and transport the aluminum tubes through the synchronous belt 12, and the aluminum tubes pass through the detection hole of the eddy current flaw detector 3 for internal defect detection. After the detection, they are continuously transported to the lower bin 26 by the V-shaped roller 11 on the right, and the output end of the first cylinder 22 is reset to drive the top plate 24 to reset, and then the aluminum tubes are continuously lifted for detection, thereby realizing continuous internal flaw detection of the aluminum tubes with high work efficiency.

[0048] The support frame 6 is provided with a marking component 4 for marking defects of the aluminum tube;

[0049] The marking assembly 4 includes a fixed plate 41, a clamping assembly 42 and a rotary spraying assembly 43; the front and rear ends of the fixed plate 41 are respectively fixedly connected to the front and rear inner walls of the support frame 6, the clamping assembly 42 and the rotary spraying assembly 43 are both connected to the fixed plate 41, and the clamping assembly 42 is connected to the rotary spraying assembly 43;

[0050] The clamping assembly 42 includes a second cylinder 421, a fixed block 422, a top block 423, a limit block 424, a rotating shaft 425, a guide bevel block 426 and a rotating block 427; the fixed block 422 is fixedly connected to the side wall of the fixed plate 41, the second cylinder 421 is fixedly connected to the fixed plate 41 through a bracket, the output end of the second cylinder 421 is fixedly connected to the bottom of the top block 423, the top block 423 is limitedly slidably connected to the fixed block 422, and the front and rear ends of the fixed block 422 are fixedly connected to the fixed plate 41. The ends are fixedly connected with guide bevel blocks 426, which are symmetrically arranged front and back. The side wall of the fixed plate 41 is fixedly connected with the limit block 424. The upper end of the top block 423 is slidably connected with the limit block 424. The side wall of the fixed plate 41 is rotatably connected with two sets of rotating shafts 425. The middle part of the rotating block 427 is fixedly connected with the rotating shaft 425. The rotating block 427 and the rotating shaft 425 are symmetrically arranged front and back. The rotating block 427 and the top block 423 are both connected to the rotating spraying assembly 43.

[0051] The rotary spraying assembly 43 includes a second motor 431, a roller 432 and a liquid inlet pipe 433; the upper ends of the top block 423 and the rotating block 427 are both rotatably connected to the roller 432 through a rotating shaft, the upper right side of the top block 423 is fixedly connected to the second motor 431, the output end of the second motor 431 is fixedly connected to the roller 432, the rotating shaft of the roller 432 at the rear end of the top block 423 is rotatably connected to the liquid inlet pipe 433, and the liquid inlet pipe 433 is connected to an external paint conveying device; the rotating shaft of the roller 432 at the rear end of the top block 423 is hollow and has a through groove, and the roller 432 at the rear end of the roller 432 has a plurality of through holes, and the through holes, the through groove and the liquid inlet pipe 433 are connected;

[0052] A torsion spring is provided inside the rotating shaft 425 to facilitate the rotation block 427 to reset after rotation;

[0053] When the eddy current flaw detector 3 detects a defect inside the aluminum tube, the output end of the second cylinder 421 drives the top block 423 to move upward under the limit of the fixed block 422, and the top block 423 drives the guide inclined block 426 to move upward, and the guide inclined block 426 pushes the rotating block 427 to rotate around the rotating shaft 425, so that the aluminum tube is clamped by the roller 432, and at the same time, the output end of the second motor 431 is started, driving a group of rollers 432 to rotate, so that the aluminum tube rotates, and drives the remaining rollers 432 to rotate, and at the same time, the external paint conveying device conveys the paint to the roller 432 through the liquid inlet pipe 433 and flows out through the through hole on the roller 432, so that the paint is applied to the aluminum tube at the defect for a whole circle, realizing the function of marking the defect of the aluminum tube, and applying a whole circle of paint is not easy to be ignored and blocked, and the prompt effect is good; then the output end of the second cylinder 421 contracts and drives the top block 423 to descend, and the two groups of rotating blocks 427 are also driven to reset by the reset elastic force of the torsion spring to make the roller 432 loosen the aluminum tube so that the aluminum tube continues to be transported.

[0054] The support frame 6 is provided with a limiting assembly 5 for limiting the position of the aluminum tube during transportation;

[0055] The limiting assembly 5 includes a base 51, a third cylinder 52, a second roller 53 and a connecting seat 54; the lower end of the base 51 is fixedly connected to the top of the support frame 6, the upper end of the base 51 is fixedly connected to the third cylinder 52, the output end of the third cylinder 52 is fixedly connected to the connecting seat 54, and the lower end of the connecting seat 54 is rotatably connected to the second roller 53;

[0056] When the aluminum tube is conveyed on the V-shaped roller 11, the output end of the second roller 53 drives the connecting seat 54 and the second roller 53 to move downward, so that the second roller 53 is close to the surface of the aluminum tube, reducing the shaking of the aluminum tube, so that the aluminum tube passes through the detection hole of the eddy current flaw detector 3 more smoothly.

[0057] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An internal defect detection device with a marking function, comprising a support frame (6), characterized in that: An eddy current flaw detector (3) for performing flaw detection on the aluminum tube is installed on the support frame (6); The support frame (6) is provided with a transport assembly (1) for transporting the aluminum tube; two groups of the transport assembly (1) are provided and are distributed on both sides of the eddy current flaw detector (3); The support frame (6) is provided with a loading and unloading assembly (2) for automatic loading and unloading of materials; The support frame (6) is provided with a marking component (4) for marking defects of the aluminum tube; The marking assembly (4) comprises a fixed plate (41), a clamping assembly (42) and a rotary spraying assembly (43); the front and rear ends of the fixed plate (41) are respectively fixedly connected to the front and rear inner walls of the support frame (6); the clamping assembly (42) and the rotary spraying assembly (43) are both connected to the fixed plate (41); and the clamping assembly (42) is connected to the rotary spraying assembly (43); The support frame (6) is provided with a limiting component (5) for limiting the position of the aluminum tube during transportation.

2. The internal defect detection device with marking function according to claim 1 is characterized in that: The transport assembly (1) comprises a V-shaped roller (11), a synchronous belt (12) and a first motor (13); a plurality of groups of fixed seats are symmetrically fixedly connected to the front and rear sides of the top of the V-shaped roller (11); both ends of the V-shaped roller (11) are rotatably connected to the fixed seats via a rotating shaft; a first motor (13) is fixedly connected to the rear end of a middle group of fixed seats; and the first motor (13) is transmission-connected to the remaining V-shaped rollers (11) via the synchronous belt (12).

3. The internal defect detection device with marking function according to claim 2 is characterized in that: The loading and unloading assembly (2) comprises an upper material bin (21), a first cylinder (22), a connecting rod (23), a top plate (24), an L-shaped guide plate (25) and a lower material bin (26); the bottom of the upper material bin (21) is fixedly connected to the first cylinder (22), the output end of the first cylinder (22) is fixedly connected to the connecting rod (23), both sides of the upper end of the connecting rod (23) are fixedly connected to the top plate (24), the top plate (24) is limitedly slidably connected to the upper material bin (21), and both sides of the front end of the upper material bin (21) are fixedly connected to the L-shaped guide plate (25); the lower material bin (26) is arranged on the right side of the support frame (6), the opening of the lower material bin (26) faces the support frame (6), and the inner bottom of the lower material bin (26) is inclined forward.

4. The internal defect detection device with marking function according to claim 3 is characterized in that: The distance from the rear end of the top plate (24) to the rear end of the L-shaped guide plate (25) is greater than the diameter of one aluminum tube and less than the diameters of two aluminum tubes.

5. The internal defect detection device with marking function according to claim 4 is characterized in that: The inner bottom of the upper material bin (21) is inclined toward the rear end, and the top of the top plate (24) is arranged as an inclined surface inclined toward the rear.

6. The internal defect detection device with marking function according to claim 5, characterized in that: The clamping assembly (42) comprises a second cylinder (421), a fixed block (422), a top block (423), a limit block (424), a rotating shaft (425), a guide bevel block (426) and a rotating block (427); the fixed block (422) is fixedly connected to the side wall of the fixed plate (41); the second cylinder (421) is fixedly connected to the fixed plate (41) via a bracket; the output end of the second cylinder (421) is fixedly connected to the bottom of the top block (423); the top block (423) is limitedly slidably connected to the fixed block (422); The front and rear ends are both fixedly connected with guide bevel blocks (426), which are symmetrically arranged front and back; the side wall of the fixed plate (41) is fixedly connected with a limit block (424); the upper end of the top block (423) is slidably connected to the limit block (424); the side wall of the fixed plate (41) is rotatably connected with two groups of rotating shafts (425); the middle part of the rotating block (427) is fixedly connected to the rotating shaft (425); the rotating block (427) and the rotating shaft (425) are both symmetrically arranged front and back; the rotating block (427) and the top block (423) are both connected to the rotating spraying assembly (43).

7. The internal defect detection device with marking function according to claim 6 is characterized in that: The rotary spraying assembly (43) comprises a second motor (431), a roller (432) and a liquid inlet pipe (433); the upper ends of the top block (423) and the rotating block (427) are both rotatably connected to the roller (432) via a rotating shaft; the right side of the upper end of the top block (423) is fixedly connected to the second motor (431); the output end of the second motor (431) is fixedly connected to the roller (432); the rotating shaft of the roller (432) at the rear end of the top block (423) is rotatably connected to the liquid inlet pipe (433); the liquid inlet pipe (433) is connected to an external paint conveying device; the rotating shaft of the roller (432) at the rear end of the top block (423) is hollow and has a through groove; the roller (432) at the rear end of the roller (432) has a plurality of through holes; the through holes, the through groove and the liquid inlet pipe (433) are connected.

8. The internal defect detection device with marking function according to claim 7, characterized in that: A torsion spring is arranged inside the rotating shaft (425).

9. The internal defect detection device with marking function according to claim 8, characterized in that: The limiting assembly (5) comprises a base (51), a third cylinder (52), a second roller (53) and a connecting seat (54); the lower end of the base (51) is fixedly connected to the top of the support frame (6), the upper end of the base (51) is fixedly connected to the third cylinder (52), the output end of the third cylinder (52) is fixedly connected to the connecting seat (54), and the lower end of the connecting seat (54) is rotatably connected to the second roller (53).

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