A metal sheet surface defect detection device

Abstract

The utility model discloses a metal sheet surface defect detection device, including the bottom plate and setting multiple strong sucking disc of bottom plate bottom, strong sucking disc is connected with connecting piece, connecting piece links with the bottom plate, the top of bottom plate is connected with the connecting seat, the connecting seat is connected with the rotary air cylinder for driving multiple strong sucking disc rotation, rotary air cylinder is connected with cylinder seat, cylinder seat is connected with flange plate, flange plate is connected with mechanical arm, cylinder seat is connected with clamping seat, and the clamping seat clamps eddy current detection head, and eddy current detection head links with eddy current detector. The utility model discloses convenient to the detection processing of metal plate surface, when finishing detection, rotary air cylinder drives bottom plate, multiple strong sucking disc turns back 90, and multiple strong sucking disc connects with metal plate again, and the metal plate that has detected is moved to next station and is handled through mechanical arm, and the operation is flexible and convenient, improves work efficiency.

Description

Technical Field

[0001] This utility model relates to the field of transformer insulation block processing technology, specifically a device for detecting surface defects in metal plates. Background Technology

[0002] Metal sheets are processed, smooth-surfaced metallic materials made from various metals. They possess high strength, durability, thermal conductivity, and electrical conductivity, and are widely used in circuit boards and conductive connectors. Furthermore, metal sheets have extensive applications in construction, electronics, and automotive industries, such as building exterior walls, roofs, and partitions; circuit boards and conductive lines in the electronics industry; and car bodies and engine components. Their robustness, durability, machinability, and decorative properties make metal sheets play a vital role in various fields.

[0003] During metal sheet processing, surface inspection is required to check for defects such as scratches and dents. Currently, this is usually done manually, requiring the sheet to be moved to the inspection location and then a handheld inspection device to inspect the surface. This process is cumbersome, time-consuming, and inefficient. Utility Model Content

[0004] The purpose of this invention is to provide a metal sheet surface defect detection device, which facilitates the detection and treatment of metal sheet surfaces, has the advantages of flexible and convenient operation and high efficiency, and solves the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a metal sheet surface defect detection device, comprising a base plate and a plurality of powerful suction cups disposed at the bottom of the base plate, wherein the powerful suction cups are connected to connecting members, the connecting members are connected to the base plate, the top of the base plate is connected to a connecting seat, the connecting seat is connected to a rotary cylinder for driving the plurality of powerful suction cups to rotate, the rotary cylinder is connected to a cylinder seat, the cylinder seat is connected to a flange, the flange is connected to a robotic arm, the cylinder seat is connected to a clamping seat, the clamping seat clamps an eddy current detection head, and the eddy current detection head is connected to an eddy current detector.

[0006] Preferably, four powerful suction cups are provided, and the four powerful suction cups form a rectangular structure.

[0007] Preferably, the connector includes a nut, an anti-slip nut, and a connecting rod. The nut is connected to the top of the base plate, the connecting rod passes through the nut, the anti-slip nut is used for positioning the connecting rod, and the bottom of the connecting rod is detachably connected to a powerful suction cup.

[0008] Preferably, the connecting rod is threadedly connected to the nut, the anti-slip nut is fixedly connected to the connecting rod, and the anti-slip nut is pressed against the nut.

[0009] Preferably, the connecting seat is bolted to the base plate, and the power output end of the rotary cylinder is connected to a rotating disk, which is bolted to the connecting seat.

[0010] Preferably, the eddy current detection head includes an interface, a detection head body, an annular opening, and anti-slip texture. The annular opening is connected to the outside of the interface, the interface is located on the top of the detection head body, and the anti-slip texture is located on the outside of the detection head body.

[0011] Preferably, the clamping seat is clamped to the anti-slip texture, the annular opening is connected to the clamping seat, and the clamping seat is connected to an adjusting bolt for adjusting the clamping tightness of the clamping seat.

[0012] Preferably, the clamping seat is connected to a plurality of connecting posts, and the connecting posts are connected to the cylinder seat.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model is equipped with multiple powerful suction cups, a rotary cylinder, and an eddy current detection head. The powerful suction cups adsorb and fix the metal plate, and then the robotic arm moves the metal plate to the position to be tested. The powerful suction cups are depressurized to facilitate separation from the metal plate. The rotary cylinder drives the base plate and multiple powerful suction cups to rotate 90°, and then the robotic arm connects the eddy current detection head to the metal plate to facilitate the detection and processing of the metal plate surface. After the detection is completed, the rotary cylinder drives the base plate and multiple powerful suction cups to rotate 90°, and the multiple powerful suction cups reconnect to the metal plate. The robotic arm then moves the tested metal plate to the next workstation for processing. The operation is flexible and convenient, improving work efficiency. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the connection structure between the rotary cylinder and the base plate of this utility model;

[0015] Figure 2 for Figure 1 The right view;

[0016] Figure 3 This is a schematic diagram of the connection structure between the clamping seat and the cylinder seat of this utility model;

[0017] Figure 4 This is a schematic diagram of the connection structure between the eddy current detection head and the clamping seat of this utility model.

[0018] In the diagram: 1. Cylinder base; 2. Flange; 3. Rotary cylinder; 4. Rotary disk; 5. Connecting column; 6. Connecting seat; 7. Clamping seat; 8. Base plate; 9. Nut; 10. Anti-slip screw; 11. Connecting rod; 12. High-strength suction cup; 13. Eddy current detection head; 14. Interface; 15. Detection head body; 16. Annular opening; 17. Anti-slip texture. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figures 1 to 4 This utility model provides a surface defect detection device for metal plates, including a base plate 8 and multiple powerful suction cups 12 disposed at the bottom of the base plate 8. Each powerful suction cup 12 is connected to a connector, which is connected to the base plate 8. A connecting seat 6 is connected to the top of the base plate 8, and a rotary cylinder 3 for driving the multiple powerful suction cups 12 to rotate is connected to the connecting seat 6. The rotary cylinder 3 is connected to a cylinder seat 1, and a flange 2 is connected to the cylinder seat 1. The flange 2 is connected to a robotic arm, which is existing technology. A clamping seat 7 is connected to the cylinder seat 1, and the clamping seat 7 clamps an eddy current detection head 13, which is connected to an eddy current detector. A high-frequency alternating current (typically 1 kHz–10 MHz) is passed through the excitation coil of the eddy current detection head 13, generating an alternating magnetic field. When the eddy current detection head 13 approaches the metal plate, the alternating magnetic field induces a closed-loop current on the material surface. The induced eddy current generates a reverse magnetic field (secondary magnetic field), which superimposes with the excitation magnetic field, changing the distribution of the original magnetic field. When materials have defects such as cracks, corrosion, or pores, the eddy current path is forced to detour or be interrupted, resulting in an abnormal secondary magnetic field. By measuring the change in coil impedance (amplitude or phase), the location, size, or material properties (such as differences in conductivity) of the defect can be inferred and fed back to the eddy current detector for easy observation.

[0021] Four powerful suction cups 12 are provided, forming a rectangular structure. The four powerful suction cups 12 are connected in series through a connecting pipe, which is connected to a vacuum pump through a pipeline. The vacuum pump generates negative pressure on the four powerful suction cups 12, which can adsorb and fix the metal plate. The metal plate is transferred by a robotic arm. When the vacuum pump stops, pressure can be released to facilitate the separation of the powerful suction cups 12 from the metal plate.

[0022] Once the metal plate is moved to the detection position, the powerful suction cups 12 release pressure, facilitating separation from the metal plate. Then, the rotary cylinder 3 drives the connecting seat 6, the base plate 8, and the four powerful suction cups 12 to rotate 90°. Figure 2 In diagram A, the direction of rotation is indicated by the arrow. The robotic arm drives the eddy current detection head 13 to move and contact the metal plate, facilitating inspection operations and increasing efficiency.

[0023] The connector includes a nut 9, anti-slip screws 10, and a connecting rod 11. The nut 9 is connected to the top of the base plate 8, and the connecting rod 11 passes through the nut 9. The anti-slip screws 10 are used to position the connecting rod 11, and the bottom of the connecting rod 11 is detachably connected to the powerful suction cup 12. When installing the powerful suction cup 12, the connecting rod 11 is screwed into the nut 9 until the anti-slip screws 10 are pressed tightly against the nut 9, thus fixing the connecting rod 11 in place and improving its stability. The powerful suction cup 12 then connects to the bottom of the connecting rod 11, facilitating its installation. The anti-slip screws 10 not only improve the stability of the connecting rod 11 but also ensure that the bottoms of the four powerful suction cups 12 are on the same plane, facilitating connection to the metal plate. A screw head is connected to the top of the connecting rod 11; using a tool to connect to the screw head facilitates the rotation of the connecting rod 11.

[0024] The connecting rod 11 is threadedly connected to the nut 9, and the anti-slip screw 10 is fixedly connected to the connecting rod 11, with the anti-slip screw 10 pressed against the nut 9.

[0025] The connecting seat 6 is bolted to the base plate 8. The power output end of the rotary cylinder 3 is connected to the rotating disk 4, which is bolted to the connecting seat 6. The rotary cylinder 3 drives the rotating disk 4 to rotate, and the rotating disk 4 drives the connecting seat 6 to rotate, which facilitates the angle control of the four powerful suction cups 12.

[0026] The eddy current testing head 13 includes an interface 14, a testing head body 15, an annular opening 16, and anti-slip texture 17. The annular opening 16 is connected to the outside of the interface 14, the interface 14 is located on the top of the testing head body 15, and the anti-slip texture 17 is located on the outside of the testing head body 15. The interface 14 is connected to the eddy current tester via a wire to achieve conductivity. When installing the eddy current testing head 13, the testing head body 15 is inserted into the clamping seat 7, and the annular opening 16 is connected to the top of the clamping seat 7. Then, the adjusting bolt is rotated to clamp the clamping seat 7 onto the testing head body 15, thus fixing the eddy current testing head 13 in place. The operation is simple and convenient.

[0027] The clamping seat 7 is clamped to the anti-slip texture 17, and the annular opening 16 is connected to the clamping seat 7. The clamping seat 7 is connected to an adjusting bolt for adjusting the clamping tightness of the clamping seat 7. The anti-slip texture 17 can increase the contact friction between the detection head body 15 and the clamping seat 7, and improve the stability of the eddy current detection head 13 installation.

[0028] The clamping seat 7 is connected to multiple connecting posts 5, which are connected to the cylinder seat 1. There are usually two connecting posts 5, which are distributed relatively to each other.

[0029] Working Principle: Four powerful suction cups 12 adhere to and fix the metal plate. The robotic arm moves the metal plate to the inspection position. The powerful suction cups 12 are depressurized, and then the rotary cylinder 3 is activated. The rotary cylinder 3 drives the rotary disk 4 to rotate, thereby causing the connecting seat 6, base plate 8, and four powerful suction cups 12 to rotate 90°. The robotic arm drives the eddy current detection head 13 to inspect the surface of the metal plate. After inspection, the robotic arm raises the eddy current detection head 13 to a certain height, and the rotary cylinder 3 drives the rotary disk 4 to rotate, simultaneously causing the connecting seat 6, base plate 8, and four powerful suction cups 12 to rotate 90° back to their initial positions. The four powerful suction cups 12 then adhere to and fix the metal plate again. Finally, the inspected metal plate is moved to the next processing step. The operation is flexible, convenient, and highly practical.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for detecting surface defects in metal sheets, characterized in that, Includes a base plate (8) and multiple powerful suction cups (12) disposed at the bottom of the base plate (8). The powerful suction cups (12) are connected to connectors, which are connected to the base plate (8). A connecting seat (6) is connected to the top of the base plate (8). A rotary cylinder (3) for driving the multiple powerful suction cups (12) to rotate is connected to the connecting seat (6). A cylinder seat (1) is connected to the rotary cylinder (3). A flange (2) is connected to the cylinder seat (1). The flange (2) is connected to the robotic arm. A clamping seat (7) is connected to the cylinder seat (1). An eddy current detection head (13) is clamped by the clamping seat (7). The eddy current detection head (13) is connected to an eddy current detector.

2. The metal sheet surface defect detection device according to claim 1, characterized in that, The powerful suction cups (12) are provided in four parts, and the four powerful suction cups (12) form a rectangular structure.

3. The metal sheet surface defect detection device according to claim 1, characterized in that, The connector includes a nut (9), an anti-slip screw (10), and a connecting rod (11). The nut (9) is connected to the top of the base plate (8), the connecting rod (11) passes through the nut (9), the anti-slip screw (10) is used for positioning the connecting rod (11), and the bottom of the connecting rod (11) is detachably connected to a powerful suction cup (12).

4. The metal sheet surface defect detection device according to claim 3, characterized in that, The connecting rod (11) is threadedly connected to the nut (9), and the anti-slip nut (10) is fixedly connected to the connecting rod (11), with the anti-slip nut (10) pressed against the nut (9).

5. The metal sheet surface defect detection device according to claim 1, characterized in that, The connecting seat (6) is bolted to the base plate (8), and the power output end of the rotary cylinder (3) is connected to the rotary disk (4), which is bolted to the connecting seat (6).

6. The metal sheet surface defect detection device according to claim 1, characterized in that, The eddy current detection head (13) includes an interface (14), a detection head body (15), an annular opening (16), and anti-slip texture (17). The annular opening (16) is connected to the outside of the interface (14). The interface (14) is located on the top of the detection head body (15), and the anti-slip texture (17) is located on the outside of the detection head body (15).

7. The metal sheet surface defect detection device according to claim 6, characterized in that, The clamping seat (7) is clamped to the anti-slip texture (17), the annular opening (16) is connected to the clamping seat (7), and the clamping seat (7) is connected to an adjusting bolt for adjusting the clamping degree of the clamping seat (7).

8. The metal sheet surface defect detection device according to claim 1, characterized in that, The clamping seat (7) is connected to a plurality of connecting posts (5), and the connecting posts (5) are connected to the cylinder seat (1).

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