Bar flaw detection equipment and flaw detection method thereof

Abstract

The invention discloses bar flaw detection equipment and a flaw detection method thereof, and relates to the technical field of bar flaw detection. The bar flaw detection equipment comprises a mounting bottom plate and a bar clamping and moving device; two guide sliding rods are fixedly connected to the top of the mounting bottom plate, and a sliding frame is slidably mounted on the surfaces of the two guide sliding rods; the bar clamping and moving device comprises two electric telescopic rods, a fixing box, two clamping plates and two air cylinders, the two electric telescopic rods are fixedly installed in the sliding frame, the fixing box is fixedly installed at the lower ends of the two electric telescopic rods, two sliding grooves are formed in the bottom of the fixing box, and the two clamping plates are slidably connected into the sliding grooves. The two air cylinders are fixedly installed at the front end and the rear end of the fixing box correspondingly, workers do not need to manually move bars into the storage box to be stored, the bars are conveyed through clamping and moving of the two clamping plates in bar detection, the bar detection efficiency is improved, and the labor intensity of the workers is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of bar flaw detection, and particularly relates to a bar flaw detection device and a flaw detection method thereof. Background Art

[0002] Tube bars must be subjected to ultrasonic non-destructive testing before leaving the factory to comprehensively understand whether various cracks, slag inclusions, microvoids and delamination defects are generated inside the products during processes such as production, rolling or heat treatment. In order to adapt to the detection of longer products, a roller-type conveying device is usually used to make the tube bars rotate forward in a spiral at a certain pitch to pass through the probe scanning mechanism to complete full-coverage detection.

[0003] When special steel bars are in use, finishing flaw detection needs to be carried out on them. At present, when the existing finishing flaw detection equipment detects special steel bars, it is often manually held by workers. The workers manually pick up the bars and place them at the position of the detection box for detection. After the detection box finishes detecting the bars, the workers need to manually move the bars into the storage box again for storage, and then they can detect another bar. The bars are detected by manually transmitting them, which is time-consuming and laborious, not only reducing the detection efficiency of the bars, but also increasing the labor intensity of the workers. Summary of the Invention

[0004] The purpose of the present invention is to at least solve one of the technical problems existing in the prior art, and provide a bar flaw detection device and a flaw detection method thereof, which can solve the problem that after the detection box finishes detecting the bars, the workers need to manually move the bars into the storage box again for storage, and then they can detect another bar. The bars are detected by manually transmitting them, which is time-consuming and laborious, not only reducing the detection efficiency of the bars, but also increasing the labor intensity of the workers.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A bar flaw detection device includes a mounting base plate and a bar clamping and moving device; two guiding slide rods are fixedly connected to the top of the mounting base plate, and a slide frame is slidably mounted on the surfaces of the two guiding slide rods; the bar clamping and moving device includes two electric telescopic rods, a fixed box, two clamping plates and two cylinders. The two electric telescopic rods are fixedly installed inside the slide frame, the fixed box is fixedly installed at the lower ends of the two electric telescopic rods, two chutes are opened at the bottom of the fixed box, the two clamping plates are respectively slidably connected inside the chutes, the two cylinders are respectively fixedly installed at the front and rear ends of the fixed box, and the output ends of the two cylinders are respectively fixedly installed on the surfaces of the two clamping plates.

[0006] Preferably, two support inclined rods are fixedly connected to the left side of the mounting base plate, and a guide inclined plate is fixedly connected to the left ends of the two support inclined rods.

[0007] Preferably, the material guiding inclined plate is fixedly installed on the top of the installation base plate, and a vibration motor is fixedly installed at the bottom of the material guiding inclined plate.

[0008] Preferably, two blocking plates are fixedly connected to the top of the installation base plate, and the two blocking plates are located on the front and rear sides of the installation base plate.

[0009] Preferably, a moving block is fixedly installed at the front end of the sliding frame, and a threaded rod is threadedly sleeved inside the moving block.

[0010] Preferably, a bidirectional motor is fixedly installed at the front end of the installation base plate, and the output end of the bidirectional motor is fixedly connected to the right end of the threaded rod.

[0011] Preferably, two support rods are fixedly connected to the top of the installation base plate, and semi-circular placement frames are fixedly connected to the tops of the two support rods.

[0012] Preferably, two flaw detection boxes are fixedly installed on the top of the installation base plate, and the two flaw detection boxes are respectively located on the left and right sides of the two semi-circular placement frames.

[0013] Preferably, a storage box is fixedly installed on the top of the installation base plate, and the storage box is located on the right side of the right flaw detection box.

[0014] Preferably, a flaw detection method for bar flaw detection equipment includes the following steps;

[0015] First step: After the staff puts the bar into the inside of the material guiding inclined plate, since the material guiding inclined plate is installed in an inclined manner, the bar can automatically roll to the right by its own gravity, and the bar gradually moves to the right to the inner side position between the two blocking plates. After the staff starts the vibration motor, the vibration motor can vibrate the bottom of the material guiding inclined plate, so that the bar can smoothly roll to the right inside the material guiding inclined plate, preventing the bar from getting stuck inside the material guiding inclined plate;

[0016] Second step: The two cylinders start and drive the two clamping plates to slide relatively. The two clamping plates slide relatively and clamp the front and rear ends of the bar. Finally, the two electric telescopic rods start, and the output ends of the two electric telescopic rods slide downward and drive the fixed box and the bar at the bottom to move upward. After the bar moves to the upper position, the bidirectional motor starts, the output end of the bidirectional motor rotates to drive the threaded rod to rotate, the threaded rod rotates to drive the moving block and the sliding frame to slide to the right, the sliding frame slides to the right and drives the fixed box and the bar to move to the right. After the bar moves to the top of the two semi-circular placement frames, the bar can fall onto the tops of the two semi-circular placement frames by its own gravity. At this time, the two flaw detection boxes can detect the surface of the bar;

[0017] Step 3: After the bar is inspected, the two clamping plates can clamp and fix the bar again. The bidirectional motor starts again and drives the carriage to move to the right. The carriage moves to the right and drives the fixed box and the bar at the bottom to move to the top of the storage box. At this time, the two cylinders start and drive the two clamping plates to slide away from the surface of the bar in the opposite direction, releasing the fixing effect on the bar. The bar can then fall into the storage box under its own gravity, and the storage box stores the inspected bar.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] 1. For the bar flaw detection equipment and its flaw detection method, after the fixing effect on the bar is released, the bar can fall into the storage box under its own gravity, and the storage box stores the inspected bar. After the flaw detection box finishes inspecting the bar, the staff no longer needs to manually move the bar into the storage box for storage. The bar is transmitted by being clamped and moved by two clamping plates, which not only improves the detection efficiency of the bar but also reduces the labor intensity of the staff.

[0020] 2. For the bar flaw detection equipment and its flaw detection method, the bar can automatically roll to the right under its own gravity. The bar gradually moves to the inner side of the two baffle plates. After the staff starts the vibration motor, the vibration motor can vibrate the bottom of the feeding inclined plate, so that the bar can smoothly roll to the right inside the feeding inclined plate, preventing the bar from getting stuck inside the feeding inclined plate.

[0021] 3. For the bar flaw detection equipment and its flaw detection method, after the bar moves to the top of the two semi-circular placement frames, the two cylinders start again and drive the two clamping plates to slide away from the surface of the bar in the opposite direction. At this time, the bar can fall to the top of the two semi-circular placement frames under its own gravity. At this time, the two flaw detection boxes can inspect the surface of the bar, improving the convenience of bar detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be further described below in conjunction with the drawings and embodiments:

[0023] Figure 1 It is a schematic diagram of the overall structure of a bar flaw detection equipment and its flaw detection method of the present invention;

[0024] Figure 2 It is a schematic diagram of the left side structure of a bar flaw detection equipment and its flaw detection method of the present invention;

[0025] Figure 3 It is a schematic diagram of the front side structure of a bar flaw detection equipment and its flaw detection method of the present invention;

[0026] Figure 4 Schematic diagram of the bottom structure of a bar flaw detection device and its flaw detection method according to the present invention;

[0027] Figure 5 Schematic diagram of the surface structure of the carriage of the present invention;

[0028] Figure 6 Schematic diagram of the internal structure of the fixed box of the present invention.

[0029] Reference numerals: 1, mounting base plate; 2, supporting inclined rod; 3, feeding inclined plate; 4, vibration motor; 5, blocking plate; 6, guiding slide bar; 7, carriage; 8, electric telescopic rod; 9, fixed box; 10, chute; 11, clamping plate; 12, cylinder; 13, moving block; 14, threaded rod; 15, bidirectional motor; 16, support rod; 17, semi-circular placement rack; 18, flaw detection and inspection box; 19, storage box. Detailed implementation manners

[0030] This part will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the drawings. The role of the drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the protection scope of the present invention.

[0031] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by terms such as up, down, front, back, left, right, etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation on the present invention.

[0032] In the description of the present invention, terms such as greater than, less than, exceeding, etc. are understood as not including the number itself, and terms such as above, below, within, etc. are understood as including the number itself. If there is a description of first and second, it is only for the purpose of distinguishing technical features and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0033] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific content of the technical solution.

[0034] Please refer to Figure 1-6, the present invention provides a technical solution: a bar flaw detection device and its flaw detection method, including an installation base plate 1 and a bar clamping and moving device. Two support inclined rods 2 are fixedly connected to the left side of the installation base plate 1. The left ends of the two support inclined rods 2 are fixedly connected to a feeding inclined plate 3. The feeding inclined plate 3 is fixedly installed on the top of the installation base plate 1. A vibration motor 4 is fixedly installed at the bottom of the feeding inclined plate 3. Two blocking plates 5 are fixedly connected to the top of the installation base plate 1. The two blocking plates 5 are located on the front and rear sides of the installation base plate 1. Two guiding slide rods 6 are fixedly connected to the top of the installation base plate 1. A slide frame 7 is slidably installed on the surfaces of the two guiding slide rods 6. The bar clamping and moving device includes two electric telescopic rods 8, a fixed box 9, two clamping plates 11 and two cylinders 12. The two electric telescopic rods 8 are both fixedly installed inside the slide frame 7. The fixed box 9 is fixedly installed at the lower ends of the two electric telescopic rods 8. Two chutes 10 are opened at the bottom of the fixed box 9. The two clamping plates 11 are both slidably connected inside the chutes 10. The two cylinders 12 are respectively fixedly installed at the front and rear ends of the fixed box 9. The output ends of the two cylinders 12 are respectively fixedly installed on the surfaces of the two clamping plates 11;

[0035] After the staff puts the bar into the inside of the feeding inclined plate 3, due to the inclined installation method of the feeding inclined plate 3, the bar can automatically roll to the right by its own gravity. The bar gradually moves to the right to the inner position between the two blocking plates 5. After the staff starts the vibration motor 4, the vibration motor 4 can vibrate the bottom of the feeding inclined plate 3, so that the bar can smoothly roll to the right inside the feeding inclined plate 3, preventing the bar from getting stuck inside the feeding inclined plate 3.

[0036] A moving block 13 is fixedly installed at the front end of the slide frame 7. A threaded rod 14 is threadedly sleeved inside the moving block 13. A bidirectional motor 15 is fixedly installed at the front end of the installation base plate 1. The output end of the bidirectional motor 15 is fixedly connected to the right end of the threaded rod 14. Two support rods 16 are fixedly connected to the top of the installation base plate 1. Semi-circular placement frames 17 are fixedly connected to the tops of the two support rods 16. Two flaw detection boxes 18 are fixedly installed on the top of the installation base plate 1. The two flaw detection boxes 18 are respectively located on the left and right sides of the two semi-circular placement frames 17. A storage box 19 is fixedly installed on the top of the installation base plate 1. The storage box 19 is located on the right side of the right flaw detection box 18.

[0037] After the bar moves to the inner position between the two stop plates 5, the two cylinders 12 are activated and drive the two clamping plates 11 to slide relative to each other. The two clamping plates 11 slide relative to each other and clamp the front and rear ends of the bar. Finally, the two electric telescopic rods 8 are activated, and the output ends of the two electric telescopic rods 8 slide downward and drive the fixed box 9 and the bar at the bottom to move upward. After the bar moves to the upper position, the bidirectional motor 15 is activated, and the output end of the bidirectional motor 15 rotates to drive the threaded rod 14 to rotate. The rotation of the threaded rod 14 drives the moving block 13 and the carriage 7 to slide to the right. The carriage 7 slides to the right and drives the fixed box 9 and the bar to move to the right. After the bar moves to the top position between the two semi-circular placement racks 17, the two cylinders 12 are activated again and drive the two clamping plates 11 to slide away from the surface of the bar. At this time, the bar can fall onto the tops of the two semi-circular placement racks 17 due to its own gravity. At this time, the two flaw detection boxes 18 can detect the surface of the bar, improving the convenience of bar detection. The ultrasonic probes in the flaw detection box 18 emit high-frequency ultrasonic signals. These signals propagate inside the bar at specific frequencies and waveforms. When the ultrasonic waves encounter defects inside the bar, such as cracks, pores, inclusions, etc., due to the different acoustic properties of the defects and the bar matrix, the ultrasonic waves will be reflected, refracted, and scattered at the defects. Some of the ultrasonic waves will be reflected back to the probe, received by the probe, and then by analyzing the characteristics of the signal such as amplitude, phase, propagation time, etc., and based on the theory and algorithms of ultrasonic wave propagation, the position, size, shape, etc. of the defects can be calculated.

[0038] After the bar is detected, the two electric telescopic rods 8 are activated again and drive the fixed box 9 to move downward. The fixed box 9 moves downward and drives the two clamping plates 11 to move to the front and rear ends of the bar. At this time, the two clamping plates 11 can clamp and fix the bar again. Finally, the two electric telescopic rods 8 are activated and drive the fixed box 9 and the bar to move upward away from the tops of the two semi-circular placement racks 17. The bidirectional motor 15 is activated again and drives the carriage 7 to move to the right. The carriage 7 moves to the right and drives the fixed box 9 at the bottom and the bar to move to the top position of the storage box 19. At this time, the two cylinders 12 are activated and drive the two clamping plates 11 to slide away from the surface of the bar, releasing the fixing effect on the bar. The bar can fall into the interior of the storage box 19 due to its own gravity. The storage box 19 stores the detected bar. After the flaw detection box 18 finishes detecting the bar, the staff no longer needs to manually move the bar into the interior of the storage box 19 for storage. The bar is detected and transmitted by being clamped and moved by the two clamping plates 11, which not only improves the detection efficiency of the bar but also reduces the labor intensity of the staff.

[0039] Structural description:

[0040] Installation base plate 1: It is the basic support component of the entire bar flaw detection equipment, playing the role of fixing and supporting other components, and providing an installation platform for various parts of the equipment; important components such as support diagonal rods 2, blocking plates 5, and guiding slide rods 6 are fixedly connected to the installation base plate 1;

[0041] Support diagonal rod 2: Two support diagonal rods 2 are fixedly connected to the left side of the installation base plate 1, and its function is to support the material guiding inclined plate 3, so that the material guiding inclined plate 3 maintains an inclined state, so that the bar can roll on the material guiding inclined plate 3 by its own gravity;

[0042] Material guiding inclined plate 3: Fixedly installed on the top of the installation base plate 1, and connected to the installation base plate 1 through the support diagonal rod 2; The material guiding inclined plate 3 is installed obliquely, and is used to guide the bar to roll from the left side to the right side, and convey the bar to the specified position (between the two blocking plates 5);

[0043] Vibration motor 4: Fixedly installed at the bottom of the material guiding inclined plate 3. After starting, it can vibrate the material guiding inclined plate 3, helping the bar to roll smoothly to the right inside the material guiding inclined plate 3, preventing the bar from getting stuck in the material guiding inclined plate 3, and ensuring the smoothness of bar conveyance;

[0044] Blocking plate 5: Two blocking plates 5 are fixedly connected to the top of the installation base plate 1, located on the front and back sides of the installation base plate 1; The function of the blocking plate 5 is to limit the position range of the bar rolling on the material guiding inclined plate 3. When the bar rolls between the two blocking plates 5, it is convenient for subsequent clamping operations;

[0045] Guiding slide rod 6: Two guiding slide rods 6 are fixedly connected to the top of the installation base plate 1, and are used to provide sliding guidance for the slide carriage 7; The slide carriage 7 can slide on the surface of the two guiding slide rods 6, ensuring the linearity and stability of the movement of the slide carriage 7;

[0046] Slide carriage 7: Slidingly installed on the surface of the two guiding slide rods 6, which is part of the bar clamping and moving device, playing the role of carrying and moving the bar; An electric telescopic rod 8 is installed inside the slide carriage 7, and through cooperation with other components, clamping, lifting and moving of the bar are realized;

[0047] Electric telescopic rod 8: Two electric telescopic rods 8 are fixedly installed inside the slide carriage 7, and their output ends can perform telescopic movements; After the electric telescopic rod 8 is started, it can drive the fixed box 9 to move up and down, so as to realize the lifting and lowering operations of the bar;

[0048] Fixed box 9: Fixedly installed at the lower ends of the two electric telescopic rods 8, and is used to install components such as clamping plates 11 and cylinders 12; The fixed box 9 moves up and down with the telescopic movement of the electric telescopic rod 8, and at the same time provides an installation basis for the sliding of the clamping plate 11;

[0049] Chute 10: It is opened at the bottom of the fixed box 9 and is used for slidingly connecting the clamping plates 11; The two clamping plates 11 can slide relative to or away from each other within the chute 10 to achieve clamping and releasing of the bar stock;

[0050] Clamping plates 11: The two clamping plates 11 are both slidingly connected inside the chute 10. Driven by the cylinder 12, the two clamping plates 11 can slide relative to each other to clamp the front and rear ends of the bar stock; They can also slide away from each other to release the clamping of the bar stock;

[0051] Cylinder 12: It is respectively fixedly installed at the front and rear ends of the fixed box 9, and its output end is fixedly connected to the surface of the clamping plate 11; The cylinder 12 drives the clamping plate 11 to slide within the chute 10 through telescopic movement to achieve clamping and releasing operations on the bar stock;

[0052] Moving block 13: It is fixedly installed at the front end of the carriage 7, and a threaded rod 14 is sleeved inside it; The moving block 13 cooperates with the threaded rod 14, and when the threaded rod 14 rotates, it can drive the carriage 7 to slide to the right or left on the guiding slide rod 6;

[0053] Threaded rod 14: It is threadedly sleeved inside the moving block 13, and its right end is fixedly connected to the output end of the bidirectional motor 15; The bidirectional motor 15 drives the threaded rod 14 to rotate, and through threaded cooperation with the moving block 13, it realizes the left and right movement of the carriage 7;

[0054] Bidirectional motor 15: It is fixedly installed at the front end of the mounting base plate 1, and its output end is fixedly connected to the right end of the threaded rod 14; The bidirectional motor 15 drives the threaded rod 14 to rotate through forward and reverse rotation, thereby driving the carriage 7 to move left and right on the guiding slide rod 6;

[0055] Support rods 16: The two support rods 16 are fixedly connected to the top of the mounting base plate 1 and are used to support the semi-circular placement rack 17 to keep the semi-circular placement rack 17 at an appropriate height position for placing and detecting the bar stock;

[0056] Semi-circular placement rack 17: It is fixedly connected to the top of the two support rods 16 and has a semi-circular structure for placing the bar stock so that the bar stock can be stably within the detection range of the flaw detection box 18, facilitating the detection of the surface of the bar stock;

[0057] Flaw detection box 18: Two flaw detection boxes 18 are fixedly installed on the top of the mounting base plate 1, respectively located on the left and right sides of the two semi-circular placement racks 17; The flaw detection box 18 is equipped with ultrasonic probes for emitting high-frequency ultrasonic signals to conduct flaw detection on the inside of the bar stock, and by analyzing the reflected ultrasonic signals, it is determined whether there are defects inside the bar stock;

[0058] Storage box 19: fixedly installed on the top of the installation base plate 1, located on the right side of the right flaw detection box 18; the storage box 19 is used to store the bars after inspection. When the inspection of the bars is completed, the bars are placed in the storage box 19 through the clamping and moving device to achieve the storage of the bars.

[0059] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the scope of knowledge possessed by those of ordinary skill in the art.

Claims

1. A bar flaw detection device, characterized in that, Including: Installation base plate (1) and bar clamping and moving device; Two guiding slide bars (6) are fixedly connected to the top of the installation base plate (1), and a slide carriage (7) is slidably mounted on the surfaces of the two guiding slide bars (6); The bar clamping and moving device includes two electric telescopic rods (8), a fixed box (9), two clamping plates (11) and two cylinders (12). The two electric telescopic rods (8) are fixedly installed inside the slide carriage (7). The fixed box (9) is fixedly installed at the lower ends of the two electric telescopic rods (8). Two chutes (10) are opened at the bottom of the fixed box (9). The two clamping plates (11) are slidably connected inside the chutes (10). The two cylinders (12) are respectively fixedly installed at the front and rear ends of the fixed box (9), and the output ends of the two cylinders (12) are respectively fixedly installed on the surfaces of the two clamping plates (11).

2. The bar flaw detection device according to claim 1, characterized in that: Two support inclined rods (2) are fixedly connected to the left side of the installation base plate (1), and a material guiding inclined plate (3) is fixedly connected to the left ends of the two support inclined rods (2).

3. The bar flaw detection device according to claim 2, characterized in that: The material guiding inclined plate (3) is fixedly installed on the top of the installation base plate (1), and a vibration motor (4) is fixedly installed at the bottom of the material guiding inclined plate (3).

4. A bar flaw detection device according to claim 1, characterized in that: Two blocking plates (5) are fixedly connected to the top of the installation base plate (1), and the two blocking plates (5) are located on the front and rear sides of the installation base plate (1).

5. The bar flaw detection device according to claim 1, characterized in that: A moving block (13) is fixedly installed at the front end of the slide carriage (7), and a threaded rod (14) is threadedly sleeved inside the moving block (13).

6. The bar flaw detection device according to claim 5, wherein: A bidirectional motor (15) is fixedly installed at the front end of the installation base plate (1), and the output end of the bidirectional motor (15) is fixedly connected to the right end of the threaded rod (14).

7. A bar flaw detection device according to claim 6, characterized in that: Two support rods (16) are fixedly connected to the top of the installation base plate (1), and semi-circular placing frames (17) are fixedly connected to the tops of the two support rods (16).

8. The bar flaw detection device according to claim 7, characterized in that: Two flaw detection boxes (18) are fixedly installed on the top of the installation base plate (1), and the two flaw detection boxes (18) are respectively located on the left and right sides of the two semi-circular placing frames (17).

9. A bar flaw detection device according to claim 8, characterized in that: A storage box (19) is fixedly installed on the top of the installation base plate (1), and the storage box (19) is located on the right side of the right flaw detection box (18).

10. A flaw detection method for a bar flaw detection device, characterized in that: Including the following steps; The first step: After the staff puts the bar into the inside of the material guiding inclined plate 3, since the material guiding inclined plate 3 is installed in an inclined manner, the bar can automatically roll to the right by its own gravity. The bar gradually moves to the inside position between the two blocking plates 5. After the staff starts the vibration motor 4, the vibration motor 4 can vibrate the bottom of the material guiding inclined plate 3, so that the bar can smoothly roll to the right inside the material guiding inclined plate 3, preventing the bar from getting stuck inside the material guiding inclined plate 3; Step 2: The two cylinders 12 are activated and drive the two clamping plates 11 to slide relatively. The two clamping plates 11 slide relatively and clamp the front and rear ends of the bar. Finally, the two electric telescopic rods 8 are activated, and the output ends of the two electric telescopic rods 8 slide downward and drive the fixed box 9 and the bar at the bottom to move upward. After the bar moves to the upper position, the bidirectional motor 15 is activated, and the output end of the bidirectional motor 15 rotates to drive the threaded rod 14 to rotate. The threaded rod 14 rotates to drive the moving block 13 and the carriage 7 to slide to the right. The carriage 7 slides to the right and drives the fixed box 9 and the bar to move to the right. After the bar moves to the top position of the two semi-circular placement racks 17, the bar can fall to the top of the two semi-circular placement racks 17 due to its own gravity. At this time, the two flaw detection boxes 18 can detect the surface of the bar; Step 3: After the bar is detected, the two clamping plates 11 can clamp and fix the bar again. The bidirectional motor 15 is activated again and drives the carriage 7 to move to the right. The carriage 7 moves to the right and drives the fixed box 9 and the bar at the bottom to move to the top position of the storage box 19. At this time, the two cylinders 12 are activated and drive the two clamping plates 11 to slide away from the surface of the bar on the back side, releasing the fixing effect on the bar. The bar can fall into the interior of the storage box 19 due to its own gravity, and the storage box 19 stores the detected bar.

Images